diff options
360 files changed, 4847 insertions, 2740 deletions
@@ -69,6 +69,7 @@ Jean Tourrilhes <jt@hpl.hp.com> Jeff Garzik <jgarzik@pretzel.yyz.us> Jens Axboe <axboe@suse.de> Jens Osterkamp <Jens.Osterkamp@de.ibm.com> +John Paul Adrian Glaubitz <glaubitz@physik.fu-berlin.de> John Stultz <johnstul@us.ibm.com> <josh@joshtriplett.org> <josh@freedesktop.org> <josh@joshtriplett.org> <josh@kernel.org> diff --git a/Documentation/acpi/initrd_table_override.txt b/Documentation/acpi/initrd_table_override.txt index 35c3f5415476..eb651a6aa285 100644 --- a/Documentation/acpi/initrd_table_override.txt +++ b/Documentation/acpi/initrd_table_override.txt @@ -1,5 +1,5 @@ -Overriding ACPI tables via initrd -================================= +Upgrading ACPI tables via initrd +================================ 1) Introduction (What is this about) 2) What is this for @@ -9,12 +9,14 @@ Overriding ACPI tables via initrd 1) What is this about --------------------- -If the ACPI_INITRD_TABLE_OVERRIDE compile option is true, it is possible to -override nearly any ACPI table provided by the BIOS with an instrumented, -modified one. +If the ACPI_TABLE_UPGRADE compile option is true, it is possible to +upgrade the ACPI execution environment that is defined by the ACPI tables +via upgrading the ACPI tables provided by the BIOS with an instrumented, +modified, more recent version one, or installing brand new ACPI tables. -For a full list of ACPI tables that can be overridden, take a look at -the char *table_sigs[MAX_ACPI_SIGNATURE]; definition in drivers/acpi/osl.c +For a full list of ACPI tables that can be upgraded/installed, take a look +at the char *table_sigs[MAX_ACPI_SIGNATURE]; definition in +drivers/acpi/tables.c. All ACPI tables iasl (Intel's ACPI compiler and disassembler) knows should be overridable, except: - ACPI_SIG_RSDP (has a signature of 6 bytes) @@ -25,17 +27,20 @@ Both could get implemented as well. 2) What is this for ------------------- -Please keep in mind that this is a debug option. -ACPI tables should not get overridden for productive use. -If BIOS ACPI tables are overridden the kernel will get tainted with the -TAINT_OVERRIDDEN_ACPI_TABLE flag. -Complain to your platform/BIOS vendor if you find a bug which is so sever -that a workaround is not accepted in the Linux kernel. +Complain to your platform/BIOS vendor if you find a bug which is so severe +that a workaround is not accepted in the Linux kernel. And this facility +allows you to upgrade the buggy tables before your platform/BIOS vendor +releases an upgraded BIOS binary. -Still, it can and should be enabled in any kernel, because: - - There is no functional change with not instrumented initrds - - It provides a powerful feature to easily debug and test ACPI BIOS table - compatibility with the Linux kernel. +This facility can be used by platform/BIOS vendors to provide a Linux +compatible environment without modifying the underlying platform firmware. + +This facility also provides a powerful feature to easily debug and test +ACPI BIOS table compatibility with the Linux kernel by modifying old +platform provided ACPI tables or inserting new ACPI tables. + +It can and should be enabled in any kernel because there is no functional +change with not instrumented initrds. 3) How does it work @@ -50,23 +55,31 @@ iasl -d *.dat # For example add this statement into a _PRT (PCI Routing Table) function # of the DSDT: Store("HELLO WORLD", debug) +# And increase the OEM Revision. For example, before modification: +DefinitionBlock ("DSDT.aml", "DSDT", 2, "INTEL ", "TEMPLATE", 0x00000000) +# After modification: +DefinitionBlock ("DSDT.aml", "DSDT", 2, "INTEL ", "TEMPLATE", 0x00000001) iasl -sa dsdt.dsl # Add the raw ACPI tables to an uncompressed cpio archive. -# They must be put into a /kernel/firmware/acpi directory inside the -# cpio archive. -# The uncompressed cpio archive must be the first. -# Other, typically compressed cpio archives, must be -# concatenated on top of the uncompressed one. +# They must be put into a /kernel/firmware/acpi directory inside the cpio +# archive. Note that if the table put here matches a platform table +# (similar Table Signature, and similar OEMID, and similar OEM Table ID) +# with a more recent OEM Revision, the platform table will be upgraded by +# this table. If the table put here doesn't match a platform table +# (dissimilar Table Signature, or dissimilar OEMID, or dissimilar OEM Table +# ID), this table will be appended. mkdir -p kernel/firmware/acpi cp dsdt.aml kernel/firmware/acpi -# A maximum of: #define ACPI_OVERRIDE_TABLES 10 -# tables are currently allowed (see osl.c): +# A maximum of "NR_ACPI_INITRD_TABLES (64)" tables are currently allowed +# (see osl.c): iasl -sa facp.dsl iasl -sa ssdt1.dsl cp facp.aml kernel/firmware/acpi cp ssdt1.aml kernel/firmware/acpi -# Create the uncompressed cpio archive and concatenate the original initrd -# on top: +# The uncompressed cpio archive must be the first. Other, typically +# compressed cpio archives, must be concatenated on top of the uncompressed +# one. Following command creates the uncompressed cpio archive and +# concatenates the original initrd on top: find kernel | cpio -H newc --create > /boot/instrumented_initrd cat /boot/initrd >>/boot/instrumented_initrd # reboot with increased acpi debug level, e.g. boot params: diff --git a/Documentation/devicetree/bindings/ata/ahci-platform.txt b/Documentation/devicetree/bindings/ata/ahci-platform.txt index 30df832a6f2f..87adfb227ca9 100644 --- a/Documentation/devicetree/bindings/ata/ahci-platform.txt +++ b/Documentation/devicetree/bindings/ata/ahci-platform.txt @@ -32,6 +32,10 @@ Optional properties: - target-supply : regulator for SATA target power - phys : reference to the SATA PHY node - phy-names : must be "sata-phy" +- ports-implemented : Mask that indicates which ports that the HBA supports + are available for software to use. Useful if PORTS_IMPL + is not programmed by the BIOS, which is true with + some embedded SOC's. Required properties when using sub-nodes: - #address-cells : number of cells to encode an address diff --git a/Documentation/devicetree/bindings/net/cpsw.txt b/Documentation/devicetree/bindings/net/cpsw.txt index 28a4781ab6d7..0ae06491b430 100644 --- a/Documentation/devicetree/bindings/net/cpsw.txt +++ b/Documentation/devicetree/bindings/net/cpsw.txt @@ -45,13 +45,13 @@ Required properties: Optional properties: - dual_emac_res_vlan : Specifies VID to be used to segregate the ports - mac-address : See ethernet.txt file in the same directory -- phy_id : Specifies slave phy id +- phy_id : Specifies slave phy id (deprecated, use phy-handle) - phy-handle : See ethernet.txt file in the same directory Slave sub-nodes: - fixed-link : See fixed-link.txt file in the same directory - Either the property phy_id, or the sub-node - fixed-link can be specified + +Note: Exactly one of phy_id, phy-handle, or fixed-link must be specified. Note: "ti,hwmods" field is used to fetch the base address and irq resources from TI, omap hwmod data base during device registration. diff --git a/Documentation/networking/altera_tse.txt b/Documentation/networking/altera_tse.txt index 3f24df8c6e65..50b8589d12fd 100644 --- a/Documentation/networking/altera_tse.txt +++ b/Documentation/networking/altera_tse.txt @@ -6,7 +6,7 @@ This is the driver for the Altera Triple-Speed Ethernet (TSE) controllers using the SGDMA and MSGDMA soft DMA IP components. The driver uses the platform bus to obtain component resources. The designs used to test this driver were built for a Cyclone(R) V SOC FPGA board, a Cyclone(R) V FPGA board, -and tested with ARM and NIOS processor hosts seperately. The anticipated use +and tested with ARM and NIOS processor hosts separately. The anticipated use cases are simple communications between an embedded system and an external peer for status and simple configuration of the embedded system. @@ -65,14 +65,14 @@ Driver parameters can be also passed in command line by using: 4.1) Transmit process When the driver's transmit routine is called by the kernel, it sets up a transmit descriptor by calling the underlying DMA transmit routine (SGDMA or -MSGDMA), and initites a transmit operation. Once the transmit is complete, an +MSGDMA), and initiates a transmit operation. Once the transmit is complete, an interrupt is driven by the transmit DMA logic. The driver handles the transmit completion in the context of the interrupt handling chain by recycling resource required to send and track the requested transmit operation. 4.2) Receive process The driver will post receive buffers to the receive DMA logic during driver -intialization. Receive buffers may or may not be queued depending upon the +initialization. Receive buffers may or may not be queued depending upon the underlying DMA logic (MSGDMA is able queue receive buffers, SGDMA is not able to queue receive buffers to the SGDMA receive logic). When a packet is received, the DMA logic generates an interrupt. The driver handles a receive diff --git a/Documentation/networking/ipvlan.txt b/Documentation/networking/ipvlan.txt index cf996394e466..14422f8fcdc4 100644 --- a/Documentation/networking/ipvlan.txt +++ b/Documentation/networking/ipvlan.txt @@ -8,7 +8,7 @@ Initial Release: This is conceptually very similar to the macvlan driver with one major exception of using L3 for mux-ing /demux-ing among slaves. This property makes the master device share the L2 with it's slave devices. I have developed this -driver in conjuntion with network namespaces and not sure if there is use case +driver in conjunction with network namespaces and not sure if there is use case outside of it. @@ -42,7 +42,7 @@ out. In this mode the slaves will RX/TX multicast and broadcast (if applicable) as well. 4.2 L3 mode: - In this mode TX processing upto L3 happens on the stack instance attached + In this mode TX processing up to L3 happens on the stack instance attached to the slave device and packets are switched to the stack instance of the master device for the L2 processing and routing from that instance will be used before packets are queued on the outbound device. In this mode the slaves @@ -56,7 +56,7 @@ situations defines your use case then you can choose to use ipvlan - (a) The Linux host that is connected to the external switch / router has policy configured that allows only one mac per port. (b) No of virtual devices created on a master exceed the mac capacity and -puts the NIC in promiscous mode and degraded performance is a concern. +puts the NIC in promiscuous mode and degraded performance is a concern. (c) If the slave device is to be put into the hostile / untrusted network namespace where L2 on the slave could be changed / misused. diff --git a/Documentation/networking/pktgen.txt b/Documentation/networking/pktgen.txt index f4be85e96005..2c4e3354e128 100644 --- a/Documentation/networking/pktgen.txt +++ b/Documentation/networking/pktgen.txt @@ -67,12 +67,12 @@ The two basic thread commands are: * add_device DEVICE@NAME -- adds a single device * rem_device_all -- remove all associated devices -When adding a device to a thread, a corrosponding procfile is created +When adding a device to a thread, a corresponding procfile is created which is used for configuring this device. Thus, device names need to be unique. To support adding the same device to multiple threads, which is useful -with multi queue NICs, a the device naming scheme is extended with "@": +with multi queue NICs, the device naming scheme is extended with "@": device@something The part after "@" can be anything, but it is custom to use the thread @@ -221,7 +221,7 @@ Sample scripts A collection of tutorial scripts and helpers for pktgen is in the samples/pktgen directory. The helper parameters.sh file support easy -and consistant parameter parsing across the sample scripts. +and consistent parameter parsing across the sample scripts. Usage example and help: ./pktgen_sample01_simple.sh -i eth4 -m 00:1B:21:3C:9D:F8 -d 192.168.8.2 diff --git a/Documentation/networking/vrf.txt b/Documentation/networking/vrf.txt index d52aa10cfe91..5da679c573d2 100644 --- a/Documentation/networking/vrf.txt +++ b/Documentation/networking/vrf.txt @@ -41,7 +41,7 @@ using an rx_handler which gives the impression that packets flow through the VRF device. Similarly on egress routing rules are used to send packets to the VRF device driver before getting sent out the actual interface. This allows tcpdump on a VRF device to capture all packets into and out of the -VRF as a whole.[1] Similiarly, netfilter [2] and tc rules can be applied +VRF as a whole.[1] Similarly, netfilter [2] and tc rules can be applied using the VRF device to specify rules that apply to the VRF domain as a whole. [1] Packets in the forwarded state do not flow through the device, so those diff --git a/Documentation/networking/xfrm_sync.txt b/Documentation/networking/xfrm_sync.txt index d7aac9dedeb4..8d88e0f2ec49 100644 --- a/Documentation/networking/xfrm_sync.txt +++ b/Documentation/networking/xfrm_sync.txt @@ -4,7 +4,7 @@ Krisztian <hidden@balabit.hu> and others and additional patches from Jamal <hadi@cyberus.ca>. The end goal for syncing is to be able to insert attributes + generate -events so that the an SA can be safely moved from one machine to another +events so that the SA can be safely moved from one machine to another for HA purposes. The idea is to synchronize the SA so that the takeover machine can do the processing of the SA as accurate as possible if it has access to it. @@ -13,7 +13,7 @@ We already have the ability to generate SA add/del/upd events. These patches add ability to sync and have accurate lifetime byte (to ensure proper decay of SAs) and replay counters to avoid replay attacks with as minimal loss at failover time. -This way a backup stays as closely uptodate as an active member. +This way a backup stays as closely up-to-date as an active member. Because the above items change for every packet the SA receives, it is possible for a lot of the events to be generated. @@ -163,7 +163,7 @@ If you have an SA that is getting hit by traffic in bursts such that there is a period where the timer threshold expires with no packets seen, then an odd behavior is seen as follows: The first packet arrival after a timer expiry will trigger a timeout -aevent; i.e we dont wait for a timeout period or a packet threshold +event; i.e we don't wait for a timeout period or a packet threshold to be reached. This is done for simplicity and efficiency reasons. -JHS diff --git a/MAINTAINERS b/MAINTAINERS index 42e65d128d01..a727d9959ecd 100644 --- a/MAINTAINERS +++ b/MAINTAINERS @@ -872,9 +872,9 @@ F: drivers/perf/arm_pmu.c F: include/linux/perf/arm_pmu.h ARM PORT -M: Russell King <linux@arm.linux.org.uk> +M: Russell King <linux@armlinux.org.uk> L: linux-arm-kernel@lists.infradead.org (moderated for non-subscribers) -W: http://www.arm.linux.org.uk/ +W: http://www.armlinux.org.uk/ S: Maintained F: arch/arm/ @@ -886,35 +886,35 @@ F: arch/arm/plat-*/ T: git git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc.git ARM PRIMECELL AACI PL041 DRIVER -M: Russell King <linux@arm.linux.org.uk> +M: Russell King <linux@armlinux.org.uk> S: Maintained F: sound/arm/aaci.* ARM PRIMECELL CLCD PL110 DRIVER -M: Russell King <linux@arm.linux.org.uk> +M: Russell King <linux@armlinux.org.uk> S: Maintained F: drivers/video/fbdev/amba-clcd.* ARM PRIMECELL KMI PL050 DRIVER -M: Russell King <linux@arm.linux.org.uk> +M: Russell King <linux@armlinux.org.uk> S: Maintained F: drivers/input/serio/ambakmi.* F: include/linux/amba/kmi.h ARM PRIMECELL MMCI PL180/1 DRIVER -M: Russell King <linux@arm.linux.org.uk> +M: Russell King <linux@armlinux.org.uk> S: Maintained F: drivers/mmc/host/mmci.* F: include/linux/amba/mmci.h ARM PRIMECELL UART PL010 AND PL011 DRIVERS -M: Russell King <linux@arm.linux.org.uk> +M: Russell King <linux@armlinux.org.uk> S: Maintained F: drivers/tty/serial/amba-pl01*.c F: include/linux/amba/serial.h ARM PRIMECELL BUS SUPPORT -M: Russell King <linux@arm.linux.org.uk> +M: Russell King <linux@armlinux.org.uk> S: Maintained F: drivers/amba/ F: include/linux/amba/bus.h @@ -1036,7 +1036,7 @@ L: linux-arm-kernel@lists.infradead.org (moderated for non-subscribers) S: Maintained ARM/CLKDEV SUPPORT -M: Russell King <linux@arm.linux.org.uk> +M: Russell King <linux@armlinux.org.uk> L: linux-arm-kernel@lists.infradead.org (moderated for non-subscribers) S: Maintained F: arch/arm/include/asm/clkdev.h @@ -1093,9 +1093,9 @@ F: arch/arm/boot/dts/cx92755* N: digicolor ARM/EBSA110 MACHINE SUPPORT -M: Russell King <linux@arm.linux.org.uk> +M: Russell King <linux@armlinux.org.uk> L: linux-arm-kernel@lists.infradead.org (moderated for non-subscribers) -W: http://www.arm.linux.org.uk/ +W: http://www.armlinux.org.uk/ S: Maintained F: arch/arm/mach-ebsa110/ F: drivers/net/ethernet/amd/am79c961a.* @@ -1124,9 +1124,9 @@ T: git git://git.berlios.de/gemini-board F: arch/arm/mm/*-fa* ARM/FOOTBRIDGE ARCHITECTURE -M: Russell King <linux@arm.linux.org.uk> +M: Russell King <linux@armlinux.org.uk> L: linux-arm-kernel@lists.infradead.org (moderated for non-subscribers) -W: http://www.arm.linux.org.uk/ +W: http://www.armlinux.org.uk/ S: Maintained F: arch/arm/include/asm/hardware/dec21285.h F: arch/arm/mach-footbridge/ @@ -1457,7 +1457,7 @@ S: Maintained ARM/PT DIGITAL BOARD PORT M: Stefan Eletzhofer <stefan.eletzhofer@eletztrick.de> L: linux-arm-kernel@lists.infradead.org (moderated for non-subscribers) -W: http://www.arm.linux.org.uk/ +W: http://www.armlinux.org.uk/ S: Maintained ARM/QUALCOMM SUPPORT @@ -1493,9 +1493,9 @@ S: Supported F: arch/arm64/boot/dts/renesas/ ARM/RISCPC ARCHITECTURE -M: Russell King <linux@arm.linux.org.uk> +M: Russell King <linux@armlinux.org.uk> L: linux-arm-kernel@lists.infradead.org (moderated for non-subscribers) -W: http://www.arm.linux.org.uk/ +W: http://www.armlinux.org.uk/ S: Maintained F: arch/arm/include/asm/hardware/entry-macro-iomd.S F: arch/arm/include/asm/hardware/ioc.h @@ -1773,9 +1773,9 @@ F: drivers/clk/versatile/clk-vexpress-osc.c F: drivers/clocksource/versatile.c ARM/VFP SUPPORT -M: Russell King <linux@arm.linux.org.uk> +M: Russell King <linux@armlinux.org.uk> L: linux-arm-kernel@lists.infradead.org (moderated for non-subscribers) -W: http://www.arm.linux.org.uk/ +W: http://www.armlinux.org.uk/ S: Maintained F: arch/arm/vfp/ @@ -2921,7 +2921,7 @@ F: mm/cleancache.c F: include/linux/cleancache.h CLK API -M: Russell King <linux@arm.linux.org.uk> +M: Russell King <linux@armlinux.org.uk> L: linux-clk@vger.kernel.org S: Maintained F: include/linux/clk.h @@ -3354,9 +3354,9 @@ S: Supported F: drivers/net/ethernet/stmicro/stmmac/ CYBERPRO FB DRIVER -M: Russell King <linux@arm.linux.org.uk> +M: Russell King <linux@armlinux.org.uk> L: linux-arm-kernel@lists.infradead.org (moderated for non-subscribers) -W: http://www.arm.linux.org.uk/ +W: http://www.armlinux.org.uk/ S: Maintained F: drivers/video/fbdev/cyber2000fb.* @@ -3881,7 +3881,7 @@ F: Documentation/devicetree/bindings/display/st,stih4xx.txt DRM DRIVERS FOR VIVANTE GPU IP M: Lucas Stach <l.stach@pengutronix.de> -R: Russell King <linux+etnaviv@arm.linux.org.uk> +R: Russell King <linux+etnaviv@armlinux.org.uk> R: Christian Gmeiner <christian.gmeiner@gmail.com> L: dri-devel@lists.freedesktop.org S: Maintained @@ -4223,8 +4223,8 @@ F: Documentation/efi-stub.txt F: arch/ia64/kernel/efi.c F: arch/x86/boot/compressed/eboot.[ch] F: arch/x86/include/asm/efi.h -F: arch/x86/platform/efi/* -F: drivers/firmware/efi/* +F: arch/x86/platform/efi/ +F: drivers/firmware/efi/ F: include/linux/efi*.h EFI VARIABLE FILESYSTEM @@ -4744,7 +4744,7 @@ F: drivers/platform/x86/fujitsu-tablet.c FUSE: FILESYSTEM IN USERSPACE M: Miklos Szeredi <miklos@szeredi.hu> -L: fuse-devel@lists.sourceforge.net +L: linux-fsdevel@vger.kernel.org W: http://fuse.sourceforge.net/ T: git git://git.kernel.org/pub/scm/linux/kernel/git/mszeredi/fuse.git S: Maintained @@ -4903,7 +4903,7 @@ F: net/ipv4/gre_offload.c F: include/net/gre.h GRETH 10/100/1G Ethernet MAC device driver -M: Kristoffer Glembo <kristoffer@gaisler.com> +M: Andreas Larsson <andreas@gaisler.com> L: netdev@vger.kernel.org S: Maintained F: drivers/net/ethernet/aeroflex/ @@ -6905,7 +6905,7 @@ L: linux-man@vger.kernel.org S: Maintained MARVELL ARMADA DRM SUPPORT -M: Russell King <rmk+kernel@arm.linux.org.uk> +M: Russell King <rmk+kernel@armlinux.org.uk> S: Maintained F: drivers/gpu/drm/armada/ @@ -7905,7 +7905,7 @@ S: Supported F: drivers/nfc/nxp-nci NXP TDA998X DRM DRIVER -M: Russell King <rmk+kernel@arm.linux.org.uk> +M: Russell King <rmk+kernel@armlinux.org.uk> S: Supported F: drivers/gpu/drm/i2c/tda998x_drv.c F: include/drm/i2c/tda998x.h @@ -7978,7 +7978,7 @@ F: arch/arm/*omap*/*pm* F: drivers/cpufreq/omap-cpufreq.c OMAP POWERDOMAIN SOC ADAPTATION LAYER SUPPORT -M: Rajendra Nayak <rnayak@ti.com> +M: Rajendra Nayak <rnayak@codeaurora.org> M: Paul Walmsley <paul@pwsan.com> L: linux-omap@vger.kernel.org S: Maintained @@ -10014,7 +10014,8 @@ F: drivers/infiniband/hw/ocrdma/ SFC NETWORK DRIVER M: Solarflare linux maintainers <linux-net-drivers@solarflare.com> -M: Shradha Shah <sshah@solarflare.com> +M: Edward Cree <ecree@solarflare.com> +M: Bert Kenward <bkenward@solarflare.com> L: netdev@vger.kernel.org S: Supported F: drivers/net/ethernet/sfc/ @@ -1,7 +1,7 @@ VERSION = 4 PATCHLEVEL = 6 SUBLEVEL = 0 -EXTRAVERSION = -rc6 +EXTRAVERSION = -rc7 NAME = Charred Weasel # *DOCUMENTATION* diff --git a/arch/arc/Kconfig b/arch/arc/Kconfig index ec4791ea6911..a8767430df7d 100644 --- a/arch/arc/Kconfig +++ b/arch/arc/Kconfig @@ -58,6 +58,9 @@ config GENERIC_CSUM config RWSEM_GENERIC_SPINLOCK def_bool y +config ARCH_DISCONTIGMEM_ENABLE + def_bool y + config ARCH_FLATMEM_ENABLE def_bool y @@ -347,6 +350,15 @@ config ARC_HUGEPAGE_16M endchoice +config NODES_SHIFT + int "Maximum NUMA Nodes (as a power of 2)" + default "1" if !DISCONTIGMEM + default "2" if DISCONTIGMEM + depends on NEED_MULTIPLE_NODES + ---help--- + Accessing memory beyond 1GB (with or w/o PAE) requires 2 memory + zones. + if ISA_ARCOMPACT config ARC_COMPACT_IRQ_LEVELS @@ -455,6 +467,7 @@ config LINUX_LINK_BASE config HIGHMEM bool "High Memory Support" + select DISCONTIGMEM help With ARC 2G:2G address split, only upper 2G is directly addressable by kernel. Enable this to potentially allow access to rest of 2G and PAE diff --git a/arch/arc/include/asm/io.h b/arch/arc/include/asm/io.h index 17f85c9c73cf..c22b181e8206 100644 --- a/arch/arc/include/asm/io.h +++ b/arch/arc/include/asm/io.h @@ -13,6 +13,15 @@ #include <asm/byteorder.h> #include <asm/page.h> +#ifdef CONFIG_ISA_ARCV2 +#include <asm/barrier.h> +#define __iormb() rmb() +#define __iowmb() wmb() +#else +#define __iormb() do { } while (0) +#define __iowmb() do { } while (0) +#endif + extern void __iomem *ioremap(phys_addr_t paddr, unsigned long size); extern void __iomem *ioremap_prot(phys_addr_t paddr, unsigned long size, unsigned long flags); @@ -31,6 +40,15 @@ extern void iounmap(const void __iomem *addr); #define ioremap_wc(phy, sz) ioremap(phy, sz) #define ioremap_wt(phy, sz) ioremap(phy, sz) +/* + * io{read,write}{16,32}be() macros + */ +#define ioread16be(p) ({ u16 __v = be16_to_cpu((__force __be16)__raw_readw(p)); __iormb(); __v; }) +#define ioread32be(p) ({ u32 __v = be32_to_cpu((__force __be32)__raw_readl(p)); __iormb(); __v; }) + +#define iowrite16be(v,p) ({ __iowmb(); __raw_writew((__force u16)cpu_to_be16(v), p); }) +#define iowrite32be(v,p) ({ __iowmb(); __raw_writel((__force u32)cpu_to_be32(v), p); }) + /* Change struct page to physical address */ #define page_to_phys(page) (page_to_pfn(page) << PAGE_SHIFT) @@ -108,15 +126,6 @@ static inline void __raw_writel(u32 w, volatile void __iomem *addr) } -#ifdef CONFIG_ISA_ARCV2 -#include <asm/barrier.h> -#define __iormb() rmb() -#define __iowmb() wmb() -#else -#define __iormb() do { } while (0) -#define __iowmb() do { } while (0) -#endif - /* * MMIO can also get buffered/optimized in micro-arch, so barriers needed * Based on ARM model for the typical use case diff --git a/arch/arc/include/asm/mmzone.h b/arch/arc/include/asm/mmzone.h new file mode 100644 index 000000000000..8e97136413d9 --- /dev/null +++ b/arch/arc/include/asm/mmzone.h @@ -0,0 +1,43 @@ +/* + * Copyright (C) 2016 Synopsys, Inc. (www.synopsys.com) + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 as + * published by the Free Software Foundation. + */ + +#ifndef _ASM_ARC_MMZONE_H +#define _ASM_ARC_MMZONE_H + +#ifdef CONFIG_DISCONTIGMEM + +extern struct pglist_data node_data[]; +#define NODE_DATA(nid) (&node_data[nid]) + +static inline int pfn_to_nid(unsigned long pfn) +{ + int is_end_low = 1; + + if (IS_ENABLED(CONFIG_ARC_HAS_PAE40)) + is_end_low = pfn <= virt_to_pfn(0xFFFFFFFFUL); + + /* + * node 0: lowmem: 0x8000_0000 to 0xFFFF_FFFF + * node 1: HIGHMEM w/o PAE40: 0x0 to 0x7FFF_FFFF + * HIGHMEM with PAE40: 0x1_0000_0000 to ... + */ + if (pfn >= ARCH_PFN_OFFSET && is_end_low) + return 0; + + return 1; +} + +static inline int pfn_valid(unsigned long pfn) +{ + int nid = pfn_to_nid(pfn); + + return (pfn <= node_end_pfn(nid)); +} +#endif /* CONFIG_DISCONTIGMEM */ + +#endif diff --git a/arch/arc/include/asm/page.h b/arch/arc/include/asm/page.h index 36da89e2c853..0d53854884d0 100644 --- a/arch/arc/include/asm/page.h +++ b/arch/arc/include/asm/page.h @@ -72,11 +72,20 @@ typedef unsigned long pgprot_t; typedef pte_t * pgtable_t; +/* + * Use virt_to_pfn with caution: + * If used in pte or paddr related macros, it could cause truncation + * in PAE40 builds + * As a rule of thumb, only use it in helpers starting with virt_ + * You have been warned ! + */ #define virt_to_pfn(kaddr) (__pa(kaddr) >> PAGE_SHIFT) #define ARCH_PFN_OFFSET virt_to_pfn(CONFIG_LINUX_LINK_BASE) +#ifdef CONFIG_FLATMEM #define pfn_valid(pfn) (((pfn) - ARCH_PFN_OFFSET) < max_mapnr) +#endif /* * __pa, __va, virt_to_page (ALERT: deprecated, don't use them) @@ -85,12 +94,10 @@ typedef pte_t * pgtable_t; * virt here means link-address/program-address as embedded in object code. * And for ARC, link-addr = physical address */ -#define __pa(vaddr) ((unsigned long)vaddr) +#define __pa(vaddr) ((unsigned long)(vaddr)) #define __va(paddr) ((void *)((unsigned long)(paddr))) -#define virt_to_page(kaddr) \ - (mem_map + virt_to_pfn((kaddr) - CONFIG_LINUX_LINK_BASE)) - +#define virt_to_page(kaddr) pfn_to_page(virt_to_pfn(kaddr)) #define virt_addr_valid(kaddr) pfn_valid(virt_to_pfn(kaddr)) /* Default Permissions for stack/heaps pages (Non Executable) */ diff --git a/arch/arc/include/asm/pgtable.h b/arch/arc/include/asm/pgtable.h index 7d6c93e63adf..10d4b8b8e545 100644 --- a/arch/arc/include/asm/pgtable.h +++ b/arch/arc/include/asm/pgtable.h @@ -278,14 +278,13 @@ static inline void pmd_set(pmd_t *pmdp, pte_t *ptep) #define pmd_present(x) (pmd_val(x)) #define pmd_clear(xp) do { pmd_val(*(xp)) = 0; } while (0) -#define pte_page(pte) \ - (mem_map + virt_to_pfn(pte_val(pte) - CONFIG_LINUX_LINK_BASE)) - +#define pte_page(pte) pfn_to_page(pte_pfn(pte)) #define mk_pte(page, prot) pfn_pte(page_to_pfn(page), prot) -#define pte_pfn(pte) virt_to_pfn(pte_val(pte)) -#define pfn_pte(pfn, prot) (__pte(((pte_t)(pfn) << PAGE_SHIFT) | \ - pgprot_val(prot))) -#define __pte_index(addr) (virt_to_pfn(addr) & (PTRS_PER_PTE - 1)) +#define pfn_pte(pfn, prot) (__pte(((pte_t)(pfn) << PAGE_SHIFT) | pgprot_val(prot))) + +/* Don't use virt_to_pfn for macros below: could cause truncations for PAE40*/ +#define pte_pfn(pte) (pte_val(pte) >> PAGE_SHIFT) +#define __pte_index(addr) (((addr) >> PAGE_SHIFT) & (PTRS_PER_PTE - 1)) /* * pte_offset gets a @ptr to PMD entry (PGD in our 2-tier paging system) diff --git a/arch/arc/mm/init.c b/arch/arc/mm/init.c index 5487d0b97400..8be930394750 100644 --- a/arch/arc/mm/init.c +++ b/arch/arc/mm/init.c @@ -30,11 +30,16 @@ static const unsigned long low_mem_start = CONFIG_LINUX_LINK_BASE; static unsigned long low_mem_sz; #ifdef CONFIG_HIGHMEM -static unsigned long min_high_pfn; +static unsigned long min_high_pfn, max_high_pfn; static u64 high_mem_start; static u64 high_mem_sz; #endif +#ifdef CONFIG_DISCONTIGMEM +struct pglist_data node_data[MAX_NUMNODES] __read_mostly; +EXPORT_SYMBOL(node_data); +#endif + /* User can over-ride above with "mem=nnn[KkMm]" in cmdline */ static int __init setup_mem_sz(char *str) { @@ -109,13 +114,11 @@ void __init setup_arch_memory(void) /* Last usable page of low mem */ max_low_pfn = max_pfn = PFN_DOWN(low_mem_start + low_mem_sz); -#ifdef CONFIG_HIGHMEM - min_high_pfn = PFN_DOWN(high_mem_start); - max_pfn = PFN_DOWN(high_mem_start + high_mem_sz); +#ifdef CONFIG_FLATMEM + /* pfn_valid() uses this */ + max_mapnr = max_low_pfn - min_low_pfn; #endif - max_mapnr = max_pfn - min_low_pfn; - /*------------- bootmem allocator setup -----------------------*/ /* @@ -129,7 +132,7 @@ void __init setup_arch_memory(void) * the crash */ - memblock_add(low_mem_start, low_mem_sz); + memblock_add_node(low_mem_start, low_mem_sz, 0); memblock_reserve(low_mem_start, __pa(_end) - low_mem_start); #ifdef CONFIG_BLK_DEV_INITRD @@ -149,13 +152,6 @@ void __init setup_arch_memory(void) zones_size[ZONE_NORMAL] = max_low_pfn - min_low_pfn; zones_holes[ZONE_NORMAL] = 0; -#ifdef CONFIG_HIGHMEM - zones_size[ZONE_HIGHMEM] = max_pfn - max_low_pfn; - - /* This handles the peripheral address space hole */ - zones_holes[ZONE_HIGHMEM] = min_high_pfn - max_low_pfn; -#endif - /* * We can't use the helper free_area_init(zones[]) because it uses * PAGE_OFFSET to compute the @min_low_pfn which would be wrong @@ -168,6 +164,34 @@ void __init setup_arch_memory(void) zones_holes); /* holes */ #ifdef CONFIG_HIGHMEM + /* + * Populate a new node with highmem + * + * On ARC (w/o PAE) HIGHMEM addresses are actually smaller (0 based) + * than addresses in normal ala low memory (0x8000_0000 based). + * Even with PAE, the huge peripheral space hole would waste a lot of + * mem with single mem_map[]. This warrants a mem_map per region design. + * Thus HIGHMEM on ARC is imlemented with DISCONTIGMEM. + * + * DISCONTIGMEM in turns requires multiple nodes. node 0 above is + * populated with normal memory zone while node 1 only has highmem + */ + node_set_online(1); + + min_high_pfn = PFN_DOWN(high_mem_start); + max_high_pfn = PFN_DOWN(high_mem_start + high_mem_sz); + + zones_size[ZONE_NORMAL] = 0; + zones_holes[ZONE_NORMAL] = 0; + + zones_size[ZONE_HIGHMEM] = max_high_pfn - min_high_pfn; + zones_holes[ZONE_HIGHMEM] = 0; + + free_area_init_node(1, /* node-id */ + zones_size, /* num pages per zone */ + min_high_pfn, /* first pfn of node */ + zones_holes); /* holes */ + high_memory = (void *)(min_high_pfn << PAGE_SHIFT); kmap_init(); #endif @@ -185,7 +209,7 @@ void __init mem_init(void) unsigned long tmp; reset_all_zones_managed_pages(); - for (tmp = min_high_pfn; tmp < max_pfn; tmp++) + for (tmp = min_high_pfn; tmp < max_high_pfn; tmp++) free_highmem_page(pfn_to_page(tmp)); #endif diff --git a/arch/arm/boot/dts/omap3-n900.dts b/arch/arm/boot/dts/omap3-n900.dts index b3c26a96a726..d9e2d9c6e999 100644 --- a/arch/arm/boot/dts/omap3-n900.dts +++ b/arch/arm/boot/dts/omap3-n900.dts @@ -329,6 +329,7 @@ regulator-name = "V28"; regulator-min-microvolt = <2800000>; regulator-max-microvolt = <2800000>; + regulator-initial-mode = <0x0e>; /* RES_STATE_ACTIVE */ regulator-always-on; /* due to battery cover sensor */ }; @@ -336,30 +337,35 @@ regulator-name = "VCSI"; regulator-min-microvolt = <1800000>; regulator-max-microvolt = <1800000>; + regulator-initial-mode = <0x0e>; /* RES_STATE_ACTIVE */ }; &vaux3 { regulator-name = "VMMC2_30"; regulator-min-microvolt = <2800000>; regulator-max-microvolt = <3000000>; + regulator-initial-mode = <0x0e>; /* RES_STATE_ACTIVE */ }; &vaux4 { regulator-name = "VCAM_ANA_28"; regulator-min-microvolt = <2800000>; regulator-max-microvolt = <2800000>; + regulator-initial-mode = <0x0e>; /* RES_STATE_ACTIVE */ }; &vmmc1 { regulator-name = "VMMC1"; regulator-min-microvolt = <1850000>; regulator-max-microvolt = <3150000>; + regulator-initial-mode = <0x0e>; /* RES_STATE_ACTIVE */ }; &vmmc2 { regulator-name = "V28_A"; regulator-min-microvolt = <2800000>; regulator-max-microvolt = <3000000>; + regulator-initial-mode = <0x0e>; /* RES_STATE_ACTIVE */ regulator-always-on; /* due VIO leak to AIC34 VDDs */ }; @@ -367,6 +373,7 @@ regulator-name = "VPLL"; regulator-min-microvolt = <1800000>; regulator-max-microvolt = <1800000>; + regulator-initial-mode = <0x0e>; /* RES_STATE_ACTIVE */ regulator-always-on; }; @@ -374,6 +381,7 @@ regulator-name = "VSDI_CSI"; regulator-min-microvolt = <1800000>; regulator-max-microvolt = <1800000>; + regulator-initial-mode = <0x0e>; /* RES_STATE_ACTIVE */ regulator-always-on; }; @@ -381,6 +389,7 @@ regulator-name = "VMMC2_IO_18"; regulator-min-microvolt = <1800000>; regulator-max-microvolt = <1800000>; + regulator-initial-mode = <0x0e>; /* RES_STATE_ACTIVE */ }; &vio { diff --git a/arch/arm/boot/dts/omap34xx.dtsi b/arch/arm/boot/dts/omap34xx.dtsi index 387dc31822fe..96f8ce7bd2af 100644 --- a/arch/arm/boot/dts/omap34xx.dtsi +++ b/arch/arm/boot/dts/omap34xx.dtsi @@ -46,7 +46,7 @@ 0x480bd800 0x017c>; interrupts = <24>; iommus = <&mmu_isp>; - syscon = <&scm_conf 0xdc>; + syscon = <&scm_conf 0x6c>; ti,phy-type = <OMAP3ISP_PHY_TYPE_COMPLEX_IO>; #clock-cells = <1>; ports { diff --git a/arch/arm/boot/dts/omap5-board-common.dtsi b/arch/arm/boot/dts/omap5-board-common.dtsi index 902657d6713b..914bf4c47404 100644 --- a/arch/arm/boot/dts/omap5-board-common.dtsi +++ b/arch/arm/boot/dts/omap5-board-common.dtsi @@ -472,7 +472,7 @@ ldo1_reg: ldo1 { /* VDDAPHY_CAM: vdda_csiport */ regulator-name = "ldo1"; - regulator-min-microvolt = <1500000>; + regulator-min-microvolt = <1800000>; regulator-max-microvolt = <1800000>; }; @@ -498,7 +498,7 @@ ldo4_reg: ldo4 { /* VDDAPHY_DISP: vdda_dsiport/hdmi */ regulator-name = "ldo4"; - regulator-min-microvolt = <1500000>; + regulator-min-microvolt = <1800000>; regulator-max-microvolt = <1800000>; }; diff --git a/arch/arm/boot/dts/omap5-cm-t54.dts b/arch/arm/boot/dts/omap5-cm-t54.dts index ecc591dc0778..4d87d9c6c86d 100644 --- a/arch/arm/boot/dts/omap5-cm-t54.dts +++ b/arch/arm/boot/dts/omap5-cm-t54.dts @@ -513,7 +513,7 @@ ldo1_reg: ldo1 { /* VDDAPHY_CAM: vdda_csiport */ regulator-name = "ldo1"; - regulator-min-microvolt = <1500000>; + regulator-min-microvolt = <1800000>; regulator-max-microvolt = <1800000>; }; @@ -537,7 +537,7 @@ ldo4_reg: ldo4 { /* VDDAPHY_DISP: vdda_dsiport/hdmi */ regulator-name = "ldo4"; - regulator-min-microvolt = <1500000>; + regulator-min-microvolt = <1800000>; regulator-max-microvolt = <1800000>; }; diff --git a/arch/arm/boot/dts/omap5.dtsi b/arch/arm/boot/dts/omap5.dtsi index 38805ebbe2ba..120b6b80cd39 100644 --- a/arch/arm/boot/dts/omap5.dtsi +++ b/arch/arm/boot/dts/omap5.dtsi @@ -269,7 +269,7 @@ omap5_pmx_wkup: pinmux@c840 { compatible = "ti,omap5-padconf", "pinctrl-single"; - reg = <0xc840 0x0038>; + reg = <0xc840 0x003c>; #address-cells = <1>; #size-cells = <0>; #interrupt-cells = <1>; diff --git a/arch/arm/boot/dts/qcom-apq8064.dtsi b/arch/arm/boot/dts/qcom-apq8064.dtsi index 65d0e8d98259..04f541bffbdd 100644 --- a/arch/arm/boot/dts/qcom-apq8064.dtsi +++ b/arch/arm/boot/dts/qcom-apq8064.dtsi @@ -666,7 +666,7 @@ }; sata0: sata@29000000 { - compatible = "generic-ahci"; + compatible = "qcom,apq8064-ahci", "generic-ahci"; status = "disabled"; reg = <0x29000000 0x180>; interrupts = <GIC_SPI 209 IRQ_TYPE_NONE>; @@ -688,6 +688,7 @@ phys = <&sata_phy0>; phy-names = "sata-phy"; + ports-implemented = <0x1>; }; /* Temporary fixed regulator */ diff --git a/arch/arm/boot/dts/sun8i-q8-common.dtsi b/arch/arm/boot/dts/sun8i-q8-common.dtsi index 9d2b7e2f5975..346a49d805a7 100644 --- a/arch/arm/boot/dts/sun8i-q8-common.dtsi +++ b/arch/arm/boot/dts/sun8i-q8-common.dtsi @@ -125,8 +125,6 @@ }; ®_dc1sw { - regulator-min-microvolt = <3000000>; - regulator-max-microvolt = <3000000>; regulator-name = "vcc-lcd"; }; diff --git a/arch/arm/include/asm/domain.h b/arch/arm/include/asm/domain.h index fc8ba1663601..99d9f630d6b6 100644 --- a/arch/arm/include/asm/domain.h +++ b/arch/arm/include/asm/domain.h @@ -84,6 +84,7 @@ #ifndef __ASSEMBLY__ +#ifdef CONFIG_CPU_CP15_MMU static inline unsigned int get_domain(void) { unsigned int domain; @@ -103,6 +104,16 @@ static inline void set_domain(unsigned val) : : "r" (val) : "memory"); isb(); } +#else +static inline unsigned int get_domain(void) +{ + return 0; +} + +static inline void set_domain(unsigned val) +{ +} +#endif #ifdef CONFIG_CPU_USE_DOMAINS #define modify_domain(dom,type) \ diff --git a/arch/arm/kernel/head-nommu.S b/arch/arm/kernel/head-nommu.S index 9b8c5a113434..fb1a69eb49c1 100644 --- a/arch/arm/kernel/head-nommu.S +++ b/arch/arm/kernel/head-nommu.S @@ -236,7 +236,7 @@ ENTRY(__setup_mpu) mov r0, #CONFIG_VECTORS_BASE @ Cover from VECTORS_BASE ldr r5,=(MPU_AP_PL1RW_PL0NA | MPU_RGN_NORMAL) /* Writing N to bits 5:1 (RSR_SZ) --> region size 2^N+1 */ - mov r6, #(((PAGE_SHIFT - 1) << MPU_RSR_SZ) | 1 << MPU_RSR_EN) + mov r6, #(((2 * PAGE_SHIFT - 1) << MPU_RSR_SZ) | 1 << MPU_RSR_EN) setup_region r0, r5, r6, MPU_DATA_SIDE @ VECTORS_BASE, PL0 NA, enabled beq 3f @ Memory-map not unified diff --git a/arch/arm/kvm/mmu.c b/arch/arm/kvm/mmu.c index 58dbd5c439df..d6d4191e68f2 100644 --- a/arch/arm/kvm/mmu.c +++ b/arch/arm/kvm/mmu.c @@ -1004,7 +1004,7 @@ static bool transparent_hugepage_adjust(kvm_pfn_t *pfnp, phys_addr_t *ipap) kvm_pfn_t pfn = *pfnp; gfn_t gfn = *ipap >> PAGE_SHIFT; - if (PageTransCompound(pfn_to_page(pfn))) { + if (PageTransCompoundMap(pfn_to_page(pfn))) { unsigned long mask; /* * The address we faulted on is backed by a transparent huge diff --git a/arch/arm/mach-davinci/board-mityomapl138.c b/arch/arm/mach-davinci/board-mityomapl138.c index d97c588550ad..bc4e63fa9808 100644 --- a/arch/arm/mach-davinci/board-mityomapl138.c +++ b/arch/arm/mach-davinci/board-mityomapl138.c @@ -121,6 +121,11 @@ static void read_factory_config(struct nvmem_device *nvmem, void *context) const char *partnum = NULL; struct davinci_soc_info *soc_info = &davinci_soc_info; + if (!IS_BUILTIN(CONFIG_NVMEM)) { + pr_warn("Factory Config not available without CONFIG_NVMEM\n"); + goto bad_config; + } + ret = nvmem_device_read(nvmem, 0, sizeof(factory_config), &factory_config); if (ret != sizeof(struct factory_config)) { diff --git a/arch/arm/mach-davinci/common.c b/arch/arm/mach-davinci/common.c index f55ef2ef2f92..742133b7266a 100644 --- a/arch/arm/mach-davinci/common.c +++ b/arch/arm/mach-davinci/common.c @@ -33,6 +33,11 @@ void davinci_get_mac_addr(struct nvmem_device *nvmem, void *context) char *mac_addr = davinci_soc_info.emac_pdata->mac_addr; off_t offset = (off_t)context; + if (!IS_BUILTIN(CONFIG_NVMEM)) { + pr_warn("Cannot read MAC addr from EEPROM without CONFIG_NVMEM\n"); + return; + } + /* Read MAC addr from EEPROM */ if (nvmem_device_read(nvmem, offset, ETH_ALEN, mac_addr) == ETH_ALEN) pr_info("Read MAC addr from EEPROM: %pM\n", mac_addr); diff --git a/arch/arm/mach-exynos/pm_domains.c b/arch/arm/mach-exynos/pm_domains.c index 7c21760f590f..875a2bab64f6 100644 --- a/arch/arm/mach-exynos/pm_domains.c +++ b/arch/arm/mach-exynos/pm_domains.c @@ -92,7 +92,7 @@ static int exynos_pd_power(struct generic_pm_domain *domain, bool power_on) if (IS_ERR(pd->clk[i])) break; - if (IS_ERR(pd->clk[i])) + if (IS_ERR(pd->pclk[i])) continue; /* Skip on first power up */ if (clk_set_parent(pd->clk[i], pd->pclk[i])) pr_err("%s: error setting parent to clock%d\n", diff --git a/arch/arm/mach-socfpga/headsmp.S b/arch/arm/mach-socfpga/headsmp.S index 5d94b7a2fb10..c160fa3007e9 100644 --- a/arch/arm/mach-socfpga/headsmp.S +++ b/arch/arm/mach-socfpga/headsmp.S @@ -13,6 +13,7 @@ #include <asm/assembler.h> .arch armv7-a + .arm ENTRY(secondary_trampoline) /* CPU1 will always fetch from 0x0 when it is brought out of reset. diff --git a/arch/arm/mm/nommu.c b/arch/arm/mm/nommu.c index 1dd10936d68d..d5805e4bf2fc 100644 --- a/arch/arm/mm/nommu.c +++ b/arch/arm/mm/nommu.c @@ -87,7 +87,6 @@ static unsigned long irbar_read(void) /* MPU initialisation functions */ void __init sanity_check_meminfo_mpu(void) { - int i; phys_addr_t phys_offset = PHYS_OFFSET; phys_addr_t aligned_region_size, specified_mem_size, rounded_mem_size; struct memblock_region *reg; @@ -110,11 +109,13 @@ void __init sanity_check_meminfo_mpu(void) } else { /* * memblock auto merges contiguous blocks, remove - * all blocks afterwards + * all blocks afterwards in one go (we can't remove + * blocks separately while iterating) */ pr_notice("Ignoring RAM after %pa, memory at %pa ignored\n", - &mem_start, ®->base); - memblock_remove(reg->base, reg->size); + &mem_end, ®->base); + memblock_remove(reg->base, 0 - reg->base); + break; } } @@ -144,7 +145,7 @@ void __init sanity_check_meminfo_mpu(void) pr_warn("Truncating memory from %pa to %pa (MPU region constraints)", &specified_mem_size, &aligned_region_size); memblock_remove(mem_start + aligned_region_size, - specified_mem_size - aligned_round_size); + specified_mem_size - aligned_region_size); mem_end = mem_start + aligned_region_size; } @@ -261,7 +262,7 @@ void __init mpu_setup(void) return; region_err = mpu_setup_region(MPU_RAM_REGION, PHYS_OFFSET, - ilog2(meminfo.bank[0].size), + ilog2(memblock.memory.regions[0].size), MPU_AP_PL1RW_PL0RW | MPU_RGN_NORMAL); if (region_err) { panic("MPU region initialization failure! %d", region_err); @@ -285,7 +286,7 @@ void __init arm_mm_memblock_reserve(void) * some architectures which the DRAM is the exception vector to trap, * alloc_page breaks with error, although it is not NULL, but "0." */ - memblock_reserve(CONFIG_VECTORS_BASE, PAGE_SIZE); + memblock_reserve(CONFIG_VECTORS_BASE, 2 * PAGE_SIZE); #else /* ifndef CONFIG_CPU_V7M */ /* * There is no dedicated vector page on V7-M. So nothing needs to be diff --git a/arch/arm64/boot/dts/renesas/r8a7795.dtsi b/arch/arm64/boot/dts/renesas/r8a7795.dtsi index a7315ebe3883..706d2426024f 100644 --- a/arch/arm64/boot/dts/renesas/r8a7795.dtsi +++ b/arch/arm64/boot/dts/renesas/r8a7795.dtsi @@ -120,7 +120,6 @@ compatible = "fixed-clock"; #clock-cells = <0>; clock-frequency = <0>; - status = "disabled"; }; soc { diff --git a/arch/parisc/kernel/syscall.S b/arch/parisc/kernel/syscall.S index c976ebfe2269..57b4836b7ecd 100644 --- a/arch/parisc/kernel/syscall.S +++ b/arch/parisc/kernel/syscall.S @@ -344,7 +344,7 @@ tracesys_next: #endif cmpib,COND(=),n -1,%r20,tracesys_exit /* seccomp may have returned -1 */ - comiclr,>>= __NR_Linux_syscalls, %r20, %r0 + comiclr,>> __NR_Linux_syscalls, %r20, %r0 b,n .Ltracesys_nosys LDREGX %r20(%r19), %r19 diff --git a/arch/powerpc/include/asm/word-at-a-time.h b/arch/powerpc/include/asm/word-at-a-time.h index e4396a7d0f7c..4afe66aa1400 100644 --- a/arch/powerpc/include/asm/word-at-a-time.h +++ b/arch/powerpc/include/asm/word-at-a-time.h @@ -82,7 +82,7 @@ static inline unsigned long create_zero_mask(unsigned long bits) "andc %1,%1,%2\n\t" "popcntd %0,%1" : "=r" (leading_zero_bits), "=&r" (trailing_zero_bit_mask) - : "r" (bits)); + : "b" (bits)); return leading_zero_bits; } diff --git a/arch/sparc/configs/sparc32_defconfig b/arch/sparc/configs/sparc32_defconfig index fb23fd6b186a..c74d3701ad68 100644 --- a/arch/sparc/configs/sparc32_defconfig +++ b/arch/sparc/configs/sparc32_defconfig @@ -24,7 +24,6 @@ CONFIG_INET_AH=y CONFIG_INET_ESP=y CONFIG_INET_IPCOMP=y # CONFIG_INET_LRO is not set -CONFIG_IPV6_PRIVACY=y CONFIG_INET6_AH=m CONFIG_INET6_ESP=m CONFIG_INET6_IPCOMP=m diff --git a/arch/sparc/configs/sparc64_defconfig b/arch/sparc/configs/sparc64_defconfig index 04920ab8e292..3583d676a916 100644 --- a/arch/sparc/configs/sparc64_defconfig +++ b/arch/sparc/configs/sparc64_defconfig @@ -48,7 +48,6 @@ CONFIG_SYN_COOKIES=y CONFIG_INET_AH=y CONFIG_INET_ESP=y CONFIG_INET_IPCOMP=y -CONFIG_IPV6_PRIVACY=y CONFIG_IPV6_ROUTER_PREF=y CONFIG_IPV6_ROUTE_INFO=y CONFIG_IPV6_OPTIMISTIC_DAD=y diff --git a/arch/sparc/include/asm/spitfire.h b/arch/sparc/include/asm/spitfire.h index 56f933816144..1d8321c827a8 100644 --- a/arch/sparc/include/asm/spitfire.h +++ b/arch/sparc/include/asm/spitfire.h @@ -48,6 +48,7 @@ #define SUN4V_CHIP_SPARC_M6 0x06 #define SUN4V_CHIP_SPARC_M7 0x07 #define SUN4V_CHIP_SPARC64X 0x8a +#define SUN4V_CHIP_SPARC_SN 0x8b #define SUN4V_CHIP_UNKNOWN 0xff #ifndef __ASSEMBLY__ diff --git a/arch/sparc/include/uapi/asm/unistd.h b/arch/sparc/include/uapi/asm/unistd.h index b6de8b10a55b..36eee8132c22 100644 --- a/arch/sparc/include/uapi/asm/unistd.h +++ b/arch/sparc/include/uapi/asm/unistd.h @@ -423,8 +423,10 @@ #define __NR_setsockopt 355 #define __NR_mlock2 356 #define __NR_copy_file_range 357 +#define __NR_preadv2 358 +#define __NR_pwritev2 359 -#define NR_syscalls 358 +#define NR_syscalls 360 /* Bitmask values returned from kern_features system call. */ #define KERN_FEATURE_MIXED_MODE_STACK 0x00000001 diff --git a/arch/sparc/kernel/cherrs.S b/arch/sparc/kernel/cherrs.S index 4ee1ad420862..655628def68e 100644 --- a/arch/sparc/kernel/cherrs.S +++ b/arch/sparc/kernel/cherrs.S @@ -214,8 +214,7 @@ do_dcpe_tl1_nonfatal: /* Ok we may use interrupt globals safely. */ subcc %g1, %g2, %g1 ! Next cacheline bge,pt %icc, 1b nop - ba,pt %xcc, dcpe_icpe_tl1_common - nop + ba,a,pt %xcc, dcpe_icpe_tl1_common do_dcpe_tl1_fatal: sethi %hi(1f), %g7 @@ -224,8 +223,7 @@ do_dcpe_tl1_fatal: mov 0x2, %o0 call cheetah_plus_parity_error add %sp, PTREGS_OFF, %o1 - ba,pt %xcc, rtrap - nop + ba,a,pt %xcc, rtrap .size do_dcpe_tl1,.-do_dcpe_tl1 .globl do_icpe_tl1 @@ -259,8 +257,7 @@ do_icpe_tl1_nonfatal: /* Ok we may use interrupt globals safely. */ subcc %g1, %g2, %g1 bge,pt %icc, 1b nop - ba,pt %xcc, dcpe_icpe_tl1_common - nop + ba,a,pt %xcc, dcpe_icpe_tl1_common do_icpe_tl1_fatal: sethi %hi(1f), %g7 @@ -269,8 +266,7 @@ do_icpe_tl1_fatal: mov 0x3, %o0 call cheetah_plus_parity_error add %sp, PTREGS_OFF, %o1 - ba,pt %xcc, rtrap - nop + ba,a,pt %xcc, rtrap .size do_icpe_tl1,.-do_icpe_tl1 .type dcpe_icpe_tl1_common,#function @@ -456,7 +452,7 @@ __cheetah_log_error: cmp %g2, 0x63 be c_cee nop - ba,pt %xcc, c_deferred + ba,a,pt %xcc, c_deferred .size __cheetah_log_error,.-__cheetah_log_error /* Cheetah FECC trap handling, we get here from tl{0,1}_fecc diff --git a/arch/sparc/kernel/cpu.c b/arch/sparc/kernel/cpu.c index dfad8b1aea9f..493e023a468a 100644 --- a/arch/sparc/kernel/cpu.c +++ b/arch/sparc/kernel/cpu.c @@ -506,6 +506,12 @@ static void __init sun4v_cpu_probe(void) sparc_pmu_type = "sparc-m7"; break; + case SUN4V_CHIP_SPARC_SN: + sparc_cpu_type = "SPARC-SN"; + sparc_fpu_type = "SPARC-SN integrated FPU"; + sparc_pmu_type = "sparc-sn"; + break; + case SUN4V_CHIP_SPARC64X: sparc_cpu_type = "SPARC64-X"; sparc_fpu_type = "SPARC64-X integrated FPU"; diff --git a/arch/sparc/kernel/cpumap.c b/arch/sparc/kernel/cpumap.c index e69ec0e3f155..45c820e1cba5 100644 --- a/arch/sparc/kernel/cpumap.c +++ b/arch/sparc/kernel/cpumap.c @@ -328,6 +328,7 @@ static int iterate_cpu(struct cpuinfo_tree *t, unsigned int root_index) case SUN4V_CHIP_NIAGARA5: case SUN4V_CHIP_SPARC_M6: case SUN4V_CHIP_SPARC_M7: + case SUN4V_CHIP_SPARC_SN: case SUN4V_CHIP_SPARC64X: rover_inc_table = niagara_iterate_method; break; diff --git a/arch/sparc/kernel/fpu_traps.S b/arch/sparc/kernel/fpu_traps.S index a6864826a4bd..336d2750fe78 100644 --- a/arch/sparc/kernel/fpu_traps.S +++ b/arch/sparc/kernel/fpu_traps.S @@ -100,8 +100,8 @@ do_fpdis: fmuld %f0, %f2, %f26 faddd %f0, %f2, %f28 fmuld %f0, %f2, %f30 - b,pt %xcc, fpdis_exit - nop + ba,a,pt %xcc, fpdis_exit + 2: andcc %g5, FPRS_DU, %g0 bne,pt %icc, 3f fzero %f32 @@ -144,8 +144,8 @@ do_fpdis: fmuld %f32, %f34, %f58 faddd %f32, %f34, %f60 fmuld %f32, %f34, %f62 - ba,pt %xcc, fpdis_exit - nop + ba,a,pt %xcc, fpdis_exit + 3: mov SECONDARY_CONTEXT, %g3 add %g6, TI_FPREGS, %g1 @@ -197,8 +197,7 @@ fpdis_exit2: fp_other_bounce: call do_fpother add %sp, PTREGS_OFF, %o0 - ba,pt %xcc, rtrap - nop + ba,a,pt %xcc, rtrap .size fp_other_bounce,.-fp_other_bounce .align 32 diff --git a/arch/sparc/kernel/head_64.S b/arch/sparc/kernel/head_64.S index cd1f592cd347..a076b4249e62 100644 --- a/arch/sparc/kernel/head_64.S +++ b/arch/sparc/kernel/head_64.S @@ -414,6 +414,8 @@ sun4v_chip_type: cmp %g2, 'T' be,pt %xcc, 70f cmp %g2, 'M' + be,pt %xcc, 70f + cmp %g2, 'S' bne,pn %xcc, 49f nop @@ -433,6 +435,9 @@ sun4v_chip_type: cmp %g2, '7' be,pt %xcc, 5f mov SUN4V_CHIP_SPARC_M7, %g4 + cmp %g2, 'N' + be,pt %xcc, 5f + mov SUN4V_CHIP_SPARC_SN, %g4 ba,pt %xcc, 49f nop @@ -461,9 +466,8 @@ sun4v_chip_type: subcc %g3, 1, %g3 bne,pt %xcc, 41b add %g1, 1, %g1 - mov SUN4V_CHIP_SPARC64X, %g4 ba,pt %xcc, 5f - nop + mov SUN4V_CHIP_SPARC64X, %g4 49: mov SUN4V_CHIP_UNKNOWN, %g4 @@ -548,8 +552,7 @@ sun4u_init: stxa %g0, [%g7] ASI_DMMU membar #Sync - ba,pt %xcc, sun4u_continue - nop + ba,a,pt %xcc, sun4u_continue sun4v_init: /* Set ctx 0 */ @@ -560,14 +563,12 @@ sun4v_init: mov SECONDARY_CONTEXT, %g7 stxa %g0, [%g7] ASI_MMU membar #Sync - ba,pt %xcc, niagara_tlb_fixup - nop + ba,a,pt %xcc, niagara_tlb_fixup sun4u_continue: BRANCH_IF_ANY_CHEETAH(g1, g7, cheetah_tlb_fixup) - ba,pt %xcc, spitfire_tlb_fixup - nop + ba,a,pt %xcc, spitfire_tlb_fixup niagara_tlb_fixup: mov 3, %g2 /* Set TLB type to hypervisor. */ @@ -597,6 +598,9 @@ niagara_tlb_fixup: cmp %g1, SUN4V_CHIP_SPARC_M7 be,pt %xcc, niagara4_patch nop + cmp %g1, SUN4V_CHIP_SPARC_SN + be,pt %xcc, niagara4_patch + nop call generic_patch_copyops nop @@ -639,8 +643,7 @@ niagara_patch: call hypervisor_patch_cachetlbops nop - ba,pt %xcc, tlb_fixup_done - nop + ba,a,pt %xcc, tlb_fixup_done cheetah_tlb_fixup: mov 2, %g2 /* Set TLB type to cheetah+. */ @@ -659,8 +662,7 @@ cheetah_tlb_fixup: call cheetah_patch_cachetlbops nop - ba,pt %xcc, tlb_fixup_done - nop + ba,a,pt %xcc, tlb_fixup_done spitfire_tlb_fixup: /* Set TLB type to spitfire. */ @@ -774,8 +776,7 @@ setup_trap_table: call %o1 add %sp, (2047 + 128), %o0 - ba,pt %xcc, 2f - nop + ba,a,pt %xcc, 2f 1: sethi %hi(sparc64_ttable_tl0), %o0 set prom_set_trap_table_name, %g2 @@ -814,8 +815,7 @@ setup_trap_table: BRANCH_IF_ANY_CHEETAH(o2, o3, 1f) - ba,pt %xcc, 2f - nop + ba,a,pt %xcc, 2f /* Disable STICK_INT interrupts. */ 1: diff --git a/arch/sparc/kernel/misctrap.S b/arch/sparc/kernel/misctrap.S index 753b4f031bfb..34b4933900bf 100644 --- a/arch/sparc/kernel/misctrap.S +++ b/arch/sparc/kernel/misctrap.S @@ -18,8 +18,7 @@ __do_privact: 109: or %g7, %lo(109b), %g7 call do_privact add %sp, PTREGS_OFF, %o0 - ba,pt %xcc, rtrap - nop + ba,a,pt %xcc, rtrap .size __do_privact,.-__do_privact .type do_mna,#function @@ -46,8 +45,7 @@ do_mna: mov %l5, %o2 call mem_address_unaligned add %sp, PTREGS_OFF, %o0 - ba,pt %xcc, rtrap - nop + ba,a,pt %xcc, rtrap .size do_mna,.-do_mna .type do_lddfmna,#function @@ -65,8 +63,7 @@ do_lddfmna: mov %l5, %o2 call handle_lddfmna add %sp, PTREGS_OFF, %o0 - ba,pt %xcc, rtrap - nop + ba,a,pt %xcc, rtrap .size do_lddfmna,.-do_lddfmna .type do_stdfmna,#function @@ -84,8 +81,7 @@ do_stdfmna: mov %l5, %o2 call handle_stdfmna add %sp, PTREGS_OFF, %o0 - ba,pt %xcc, rtrap - nop + ba,a,pt %xcc, rtrap .size do_stdfmna,.-do_stdfmna .type breakpoint_trap,#function diff --git a/arch/sparc/kernel/pci.c b/arch/sparc/kernel/pci.c index badf0951d73c..c2b202d763a1 100644 --- a/arch/sparc/kernel/pci.c +++ b/arch/sparc/kernel/pci.c @@ -245,6 +245,18 @@ static void pci_parse_of_addrs(struct platform_device *op, } } +static void pci_init_dev_archdata(struct dev_archdata *sd, void *iommu, + void *stc, void *host_controller, + struct platform_device *op, + int numa_node) +{ + sd->iommu = iommu; + sd->stc = stc; + sd->host_controller = host_controller; + sd->op = op; + sd->numa_node = numa_node; +} + static struct pci_dev *of_create_pci_dev(struct pci_pbm_info *pbm, struct device_node *node, struct pci_bus *bus, int devfn) @@ -259,13 +271,10 @@ static struct pci_dev *of_create_pci_dev(struct pci_pbm_info *pbm, if (!dev) return NULL; + op = of_find_device_by_node(node); sd = &dev->dev.archdata; - sd->iommu = pbm->iommu; - sd->stc = &pbm->stc; - sd->host_controller = pbm; - sd->op = op = of_find_device_by_node(node); - sd->numa_node = pbm->numa_node; - + pci_init_dev_archdata(sd, pbm->iommu, &pbm->stc, pbm, op, + pbm->numa_node); sd = &op->dev.archdata; sd->iommu = pbm->iommu; sd->stc = &pbm->stc; @@ -994,6 +1003,27 @@ void pcibios_set_master(struct pci_dev *dev) /* No special bus mastering setup handling */ } +#ifdef CONFIG_PCI_IOV +int pcibios_add_device(struct pci_dev *dev) +{ + struct pci_dev *pdev; + + /* Add sriov arch specific initialization here. + * Copy dev_archdata from PF to VF + */ + if (dev->is_virtfn) { + struct dev_archdata *psd; + + pdev = dev->physfn; + psd = &pdev->dev.archdata; + pci_init_dev_archdata(&dev->dev.archdata, psd->iommu, + psd->stc, psd->host_controller, NULL, + psd->numa_node); + } + return 0; +} +#endif /* CONFIG_PCI_IOV */ + static int __init pcibios_init(void) { pci_dfl_cache_line_size = 64 >> 2; diff --git a/arch/sparc/kernel/setup_64.c b/arch/sparc/kernel/setup_64.c index 26db95b54ee9..599f1207eed2 100644 --- a/arch/sparc/kernel/setup_64.c +++ b/arch/sparc/kernel/setup_64.c @@ -285,7 +285,8 @@ static void __init sun4v_patch(void) sun4v_patch_2insn_range(&__sun4v_2insn_patch, &__sun4v_2insn_patch_end); - if (sun4v_chip_type == SUN4V_CHIP_SPARC_M7) + if (sun4v_chip_type == SUN4V_CHIP_SPARC_M7 || + sun4v_chip_type == SUN4V_CHIP_SPARC_SN) sun_m7_patch_2insn_range(&__sun_m7_2insn_patch, &__sun_m7_2insn_patch_end); @@ -524,6 +525,7 @@ static void __init init_sparc64_elf_hwcap(void) sun4v_chip_type == SUN4V_CHIP_NIAGARA5 || sun4v_chip_type == SUN4V_CHIP_SPARC_M6 || sun4v_chip_type == SUN4V_CHIP_SPARC_M7 || + sun4v_chip_type == SUN4V_CHIP_SPARC_SN || sun4v_chip_type == SUN4V_CHIP_SPARC64X) cap |= HWCAP_SPARC_BLKINIT; if (sun4v_chip_type == SUN4V_CHIP_NIAGARA2 || @@ -532,6 +534,7 @@ static void __init init_sparc64_elf_hwcap(void) sun4v_chip_type == SUN4V_CHIP_NIAGARA5 || sun4v_chip_type == SUN4V_CHIP_SPARC_M6 || sun4v_chip_type == SUN4V_CHIP_SPARC_M7 || + sun4v_chip_type == SUN4V_CHIP_SPARC_SN || sun4v_chip_type == SUN4V_CHIP_SPARC64X) cap |= HWCAP_SPARC_N2; } @@ -561,6 +564,7 @@ static void __init init_sparc64_elf_hwcap(void) sun4v_chip_type == SUN4V_CHIP_NIAGARA5 || sun4v_chip_type == SUN4V_CHIP_SPARC_M6 || sun4v_chip_type == SUN4V_CHIP_SPARC_M7 || + sun4v_chip_type == SUN4V_CHIP_SPARC_SN || sun4v_chip_type == SUN4V_CHIP_SPARC64X) cap |= (AV_SPARC_VIS | AV_SPARC_VIS2 | AV_SPARC_ASI_BLK_INIT | @@ -570,6 +574,7 @@ static void __init init_sparc64_elf_hwcap(void) sun4v_chip_type == SUN4V_CHIP_NIAGARA5 || sun4v_chip_type == SUN4V_CHIP_SPARC_M6 || sun4v_chip_type == SUN4V_CHIP_SPARC_M7 || + sun4v_chip_type == SUN4V_CHIP_SPARC_SN || sun4v_chip_type == SUN4V_CHIP_SPARC64X) cap |= (AV_SPARC_VIS3 | AV_SPARC_HPC | AV_SPARC_FMAF); diff --git a/arch/sparc/kernel/spiterrs.S b/arch/sparc/kernel/spiterrs.S index c357e40ffd01..4a73009f66a5 100644 --- a/arch/sparc/kernel/spiterrs.S +++ b/arch/sparc/kernel/spiterrs.S @@ -85,8 +85,7 @@ __spitfire_cee_trap_continue: ba,pt %xcc, etraptl1 rd %pc, %g7 - ba,pt %xcc, 2f - nop + ba,a,pt %xcc, 2f 1: ba,pt %xcc, etrap_irq rd %pc, %g7 @@ -100,8 +99,7 @@ __spitfire_cee_trap_continue: mov %l5, %o2 call spitfire_access_error add %sp, PTREGS_OFF, %o0 - ba,pt %xcc, rtrap - nop + ba,a,pt %xcc, rtrap .size __spitfire_access_error,.-__spitfire_access_error /* This is the trap handler entry point for ECC correctable @@ -179,8 +177,7 @@ __spitfire_data_access_exception_tl1: mov %l5, %o2 call spitfire_data_access_exception_tl1 add %sp, PTREGS_OFF, %o0 - ba,pt %xcc, rtrap - nop + ba,a,pt %xcc, rtrap .size __spitfire_data_access_exception_tl1,.-__spitfire_data_access_exception_tl1 .type __spitfire_data_access_exception,#function @@ -200,8 +197,7 @@ __spitfire_data_access_exception: mov %l5, %o2 call spitfire_data_access_exception add %sp, PTREGS_OFF, %o0 - ba,pt %xcc, rtrap - nop + ba,a,pt %xcc, rtrap .size __spitfire_data_access_exception,.-__spitfire_data_access_exception .type __spitfire_insn_access_exception_tl1,#function @@ -220,8 +216,7 @@ __spitfire_insn_access_exception_tl1: mov %l5, %o2 call spitfire_insn_access_exception_tl1 add %sp, PTREGS_OFF, %o0 - ba,pt %xcc, rtrap - nop + ba,a,pt %xcc, rtrap .size __spitfire_insn_access_exception_tl1,.-__spitfire_insn_access_exception_tl1 .type __spitfire_insn_access_exception,#function @@ -240,6 +235,5 @@ __spitfire_insn_access_exception: mov %l5, %o2 call spitfire_insn_access_exception add %sp, PTREGS_OFF, %o0 - ba,pt %xcc, rtrap - nop + ba,a,pt %xcc, rtrap .size __spitfire_insn_access_exception,.-__spitfire_insn_access_exception diff --git a/arch/sparc/kernel/systbls_32.S b/arch/sparc/kernel/systbls_32.S index 6c3dd6c52f8b..eac7f0db5c8c 100644 --- a/arch/sparc/kernel/systbls_32.S +++ b/arch/sparc/kernel/systbls_32.S @@ -88,4 +88,4 @@ sys_call_table: /*340*/ .long sys_ni_syscall, sys_kcmp, sys_finit_module, sys_sched_setattr, sys_sched_getattr /*345*/ .long sys_renameat2, sys_seccomp, sys_getrandom, sys_memfd_create, sys_bpf /*350*/ .long sys_execveat, sys_membarrier, sys_userfaultfd, sys_bind, sys_listen -/*355*/ .long sys_setsockopt, sys_mlock2, sys_copy_file_range +/*355*/ .long sys_setsockopt, sys_mlock2, sys_copy_file_range, sys_preadv2, sys_pwritev2 diff --git a/arch/sparc/kernel/systbls_64.S b/arch/sparc/kernel/systbls_64.S index 12b524cfcfa0..b0f17ff2ddba 100644 --- a/arch/sparc/kernel/systbls_64.S +++ b/arch/sparc/kernel/systbls_64.S @@ -89,7 +89,7 @@ sys_call_table32: /*340*/ .word sys_kern_features, sys_kcmp, sys_finit_module, sys_sched_setattr, sys_sched_getattr .word sys32_renameat2, sys_seccomp, sys_getrandom, sys_memfd_create, sys_bpf /*350*/ .word sys32_execveat, sys_membarrier, sys_userfaultfd, sys_bind, sys_listen - .word compat_sys_setsockopt, sys_mlock2, sys_copy_file_range + .word compat_sys_setsockopt, sys_mlock2, sys_copy_file_range, compat_sys_preadv2, compat_sys_pwritev2 #endif /* CONFIG_COMPAT */ @@ -170,4 +170,4 @@ sys_call_table: /*340*/ .word sys_kern_features, sys_kcmp, sys_finit_module, sys_sched_setattr, sys_sched_getattr .word sys_renameat2, sys_seccomp, sys_getrandom, sys_memfd_create, sys_bpf /*350*/ .word sys64_execveat, sys_membarrier, sys_userfaultfd, sys_bind, sys_listen - .word sys_setsockopt, sys_mlock2, sys_copy_file_range + .word sys_setsockopt, sys_mlock2, sys_copy_file_range, sys_preadv2, sys_pwritev2 diff --git a/arch/sparc/kernel/utrap.S b/arch/sparc/kernel/utrap.S index b7f0f3f3a909..c731e8023d3e 100644 --- a/arch/sparc/kernel/utrap.S +++ b/arch/sparc/kernel/utrap.S @@ -11,8 +11,7 @@ utrap_trap: /* %g3=handler,%g4=level */ mov %l4, %o1 call bad_trap add %sp, PTREGS_OFF, %o0 - ba,pt %xcc, rtrap - nop + ba,a,pt %xcc, rtrap invoke_utrap: sllx %g3, 3, %g3 diff --git a/arch/sparc/kernel/vio.c b/arch/sparc/kernel/vio.c index cb5789c9f961..f6bb857254fc 100644 --- a/arch/sparc/kernel/vio.c +++ b/arch/sparc/kernel/vio.c @@ -45,6 +45,14 @@ static const struct vio_device_id *vio_match_device( return NULL; } +static int vio_hotplug(struct device *dev, struct kobj_uevent_env *env) +{ + const struct vio_dev *vio_dev = to_vio_dev(dev); + + add_uevent_var(env, "MODALIAS=vio:T%sS%s", vio_dev->type, vio_dev->compat); + return 0; +} + static int vio_bus_match(struct device *dev, struct device_driver *drv) { struct vio_dev *vio_dev = to_vio_dev(dev); @@ -105,15 +113,25 @@ static ssize_t type_show(struct device *dev, return sprintf(buf, "%s\n", vdev->type); } +static ssize_t modalias_show(struct device *dev, struct device_attribute *attr, + char *buf) +{ + const struct vio_dev *vdev = to_vio_dev(dev); + + return sprintf(buf, "vio:T%sS%s\n", vdev->type, vdev->compat); +} + static struct device_attribute vio_dev_attrs[] = { __ATTR_RO(devspec), __ATTR_RO(type), + __ATTR_RO(modalias), __ATTR_NULL }; static struct bus_type vio_bus_type = { .name = "vio", .dev_attrs = vio_dev_attrs, + .uevent = vio_hotplug, .match = vio_bus_match, .probe = vio_device_probe, .remove = vio_device_remove, diff --git a/arch/sparc/kernel/vmlinux.lds.S b/arch/sparc/kernel/vmlinux.lds.S index aadd321aa05d..7d02b1fef025 100644 --- a/arch/sparc/kernel/vmlinux.lds.S +++ b/arch/sparc/kernel/vmlinux.lds.S @@ -33,6 +33,10 @@ ENTRY(_start) jiffies = jiffies_64; #endif +#ifdef CONFIG_SPARC64 +ASSERT((swapper_tsb == 0x0000000000408000), "Error: sparc64 early assembler too large") +#endif + SECTIONS { #ifdef CONFIG_SPARC64 diff --git a/arch/sparc/kernel/winfixup.S b/arch/sparc/kernel/winfixup.S index 1e67ce958369..855019a8590e 100644 --- a/arch/sparc/kernel/winfixup.S +++ b/arch/sparc/kernel/winfixup.S @@ -32,8 +32,7 @@ fill_fixup: rd %pc, %g7 call do_sparc64_fault add %sp, PTREGS_OFF, %o0 - ba,pt %xcc, rtrap - nop + ba,a,pt %xcc, rtrap /* Be very careful about usage of the trap globals here. * You cannot touch %g5 as that has the fault information. diff --git a/arch/sparc/mm/init_64.c b/arch/sparc/mm/init_64.c index 1cfe6aab7a11..09e838801e39 100644 --- a/arch/sparc/mm/init_64.c +++ b/arch/sparc/mm/init_64.c @@ -1769,6 +1769,7 @@ static void __init setup_page_offset(void) max_phys_bits = 47; break; case SUN4V_CHIP_SPARC_M7: + case SUN4V_CHIP_SPARC_SN: default: /* M7 and later support 52-bit virtual addresses. */ sparc64_va_hole_top = 0xfff8000000000000UL; @@ -1986,6 +1987,7 @@ static void __init sun4v_linear_pte_xor_finalize(void) */ switch (sun4v_chip_type) { case SUN4V_CHIP_SPARC_M7: + case SUN4V_CHIP_SPARC_SN: pagecv_flag = 0x00; break; default: @@ -2138,6 +2140,7 @@ void __init paging_init(void) */ switch (sun4v_chip_type) { case SUN4V_CHIP_SPARC_M7: + case SUN4V_CHIP_SPARC_SN: page_cache4v_flag = _PAGE_CP_4V; break; default: diff --git a/arch/x86/events/amd/iommu.c b/arch/x86/events/amd/iommu.c index 40625ca7a190..6011a573dd64 100644 --- a/arch/x86/events/amd/iommu.c +++ b/arch/x86/events/amd/iommu.c @@ -474,6 +474,7 @@ static __init int _init_perf_amd_iommu( static struct perf_amd_iommu __perf_iommu = { .pmu = { + .task_ctx_nr = perf_invalid_context, .event_init = perf_iommu_event_init, .add = perf_iommu_add, .del = perf_iommu_del, diff --git a/arch/x86/events/intel/core.c b/arch/x86/events/intel/core.c index aff79884e17d..a6fd4dbcf820 100644 --- a/arch/x86/events/intel/core.c +++ b/arch/x86/events/intel/core.c @@ -3637,6 +3637,8 @@ __init int intel_pmu_init(void) pr_cont("Knights Landing events, "); break; + case 142: /* 14nm Kabylake Mobile */ + case 158: /* 14nm Kabylake Desktop */ case 78: /* 14nm Skylake Mobile */ case 94: /* 14nm Skylake Desktop */ case 85: /* 14nm Skylake Server */ diff --git a/arch/x86/kernel/apic/x2apic_uv_x.c b/arch/x86/kernel/apic/x2apic_uv_x.c index 8f4942e2bcbb..d7ce96a7daca 100644 --- a/arch/x86/kernel/apic/x2apic_uv_x.c +++ b/arch/x86/kernel/apic/x2apic_uv_x.c @@ -891,9 +891,7 @@ void __init uv_system_init(void) } pr_info("UV: Found %s hub\n", hub); - /* We now only need to map the MMRs on UV1 */ - if (is_uv1_hub()) - map_low_mmrs(); + map_low_mmrs(); m_n_config.v = uv_read_local_mmr(UVH_RH_GAM_CONFIG_MMR ); m_val = m_n_config.s.m_skt; diff --git a/arch/x86/kernel/setup.c b/arch/x86/kernel/setup.c index 2367ae07eb76..c4e7b3991b60 100644 --- a/arch/x86/kernel/setup.c +++ b/arch/x86/kernel/setup.c @@ -398,6 +398,11 @@ static void __init reserve_initrd(void) memblock_free(ramdisk_image, ramdisk_end - ramdisk_image); } + +static void __init early_initrd_acpi_init(void) +{ + early_acpi_table_init((void *)initrd_start, initrd_end - initrd_start); +} #else static void __init early_reserve_initrd(void) { @@ -405,6 +410,9 @@ static void __init early_reserve_initrd(void) static void __init reserve_initrd(void) { } +static void __init early_initrd_acpi_init(void) +{ +} #endif /* CONFIG_BLK_DEV_INITRD */ static void __init parse_setup_data(void) @@ -1138,9 +1146,7 @@ void __init setup_arch(char **cmdline_p) reserve_initrd(); -#if defined(CONFIG_ACPI) && defined(CONFIG_BLK_DEV_INITRD) - acpi_initrd_override((void *)initrd_start, initrd_end - initrd_start); -#endif + early_initrd_acpi_init(); vsmp_init(); diff --git a/arch/x86/kernel/sysfb_efi.c b/arch/x86/kernel/sysfb_efi.c index b285d4e8c68e..5da924bbf0a0 100644 --- a/arch/x86/kernel/sysfb_efi.c +++ b/arch/x86/kernel/sysfb_efi.c @@ -106,14 +106,24 @@ static int __init efifb_set_system(const struct dmi_system_id *id) continue; for (i = 0; i < DEVICE_COUNT_RESOURCE; i++) { resource_size_t start, end; + unsigned long flags; + + flags = pci_resource_flags(dev, i); + if (!(flags & IORESOURCE_MEM)) + continue; + + if (flags & IORESOURCE_UNSET) + continue; + + if (pci_resource_len(dev, i) == 0) + continue; start = pci_resource_start(dev, i); - if (start == 0) - break; end = pci_resource_end(dev, i); if (screen_info.lfb_base >= start && screen_info.lfb_base < end) { found_bar = 1; + break; } } } diff --git a/arch/x86/kernel/tsc_msr.c b/arch/x86/kernel/tsc_msr.c index 92ae6acac8a7..6aa0f4d9eea6 100644 --- a/arch/x86/kernel/tsc_msr.c +++ b/arch/x86/kernel/tsc_msr.c @@ -92,7 +92,7 @@ unsigned long try_msr_calibrate_tsc(void) if (freq_desc_tables[cpu_index].msr_plat) { rdmsr(MSR_PLATFORM_INFO, lo, hi); - ratio = (lo >> 8) & 0x1f; + ratio = (lo >> 8) & 0xff; } else { rdmsr(MSR_IA32_PERF_STATUS, lo, hi); ratio = (hi >> 8) & 0x1f; diff --git a/arch/x86/kvm/mmu.c b/arch/x86/kvm/mmu.c index 1ff4dbb73fb7..b6f50e8b0a39 100644 --- a/arch/x86/kvm/mmu.c +++ b/arch/x86/kvm/mmu.c @@ -2823,7 +2823,7 @@ static void transparent_hugepage_adjust(struct kvm_vcpu *vcpu, */ if (!is_error_noslot_pfn(pfn) && !kvm_is_reserved_pfn(pfn) && level == PT_PAGE_TABLE_LEVEL && - PageTransCompound(pfn_to_page(pfn)) && + PageTransCompoundMap(pfn_to_page(pfn)) && !mmu_gfn_lpage_is_disallowed(vcpu, gfn, PT_DIRECTORY_LEVEL)) { unsigned long mask; /* @@ -4785,7 +4785,7 @@ restart: */ if (sp->role.direct && !kvm_is_reserved_pfn(pfn) && - PageTransCompound(pfn_to_page(pfn))) { + PageTransCompoundMap(pfn_to_page(pfn))) { drop_spte(kvm, sptep); need_tlb_flush = 1; goto restart; diff --git a/arch/x86/platform/efi/efi-bgrt.c b/arch/x86/platform/efi/efi-bgrt.c index a2433817c987..6a2f5691b1ab 100644 --- a/arch/x86/platform/efi/efi-bgrt.c +++ b/arch/x86/platform/efi/efi-bgrt.c @@ -43,40 +43,40 @@ void __init efi_bgrt_init(void) return; if (bgrt_tab->header.length < sizeof(*bgrt_tab)) { - pr_err("Ignoring BGRT: invalid length %u (expected %zu)\n", + pr_notice("Ignoring BGRT: invalid length %u (expected %zu)\n", bgrt_tab->header.length, sizeof(*bgrt_tab)); return; } if (bgrt_tab->version != 1) { - pr_err("Ignoring BGRT: invalid version %u (expected 1)\n", + pr_notice("Ignoring BGRT: invalid version %u (expected 1)\n", bgrt_tab->version); return; } if (bgrt_tab->status & 0xfe) { - pr_err("Ignoring BGRT: reserved status bits are non-zero %u\n", + pr_notice("Ignoring BGRT: reserved status bits are non-zero %u\n", bgrt_tab->status); return; } if (bgrt_tab->image_type != 0) { - pr_err("Ignoring BGRT: invalid image type %u (expected 0)\n", + pr_notice("Ignoring BGRT: invalid image type %u (expected 0)\n", bgrt_tab->image_type); return; } if (!bgrt_tab->image_address) { - pr_err("Ignoring BGRT: null image address\n"); + pr_notice("Ignoring BGRT: null image address\n"); return; } image = memremap(bgrt_tab->image_address, sizeof(bmp_header), MEMREMAP_WB); if (!image) { - pr_err("Ignoring BGRT: failed to map image header memory\n"); + pr_notice("Ignoring BGRT: failed to map image header memory\n"); return; } memcpy(&bmp_header, image, sizeof(bmp_header)); memunmap(image); if (bmp_header.id != 0x4d42) { - pr_err("Ignoring BGRT: Incorrect BMP magic number 0x%x (expected 0x4d42)\n", + pr_notice("Ignoring BGRT: Incorrect BMP magic number 0x%x (expected 0x4d42)\n", bmp_header.id); return; } @@ -84,14 +84,14 @@ void __init efi_bgrt_init(void) bgrt_image = kmalloc(bgrt_image_size, GFP_KERNEL | __GFP_NOWARN); if (!bgrt_image) { - pr_err("Ignoring BGRT: failed to allocate memory for image (wanted %zu bytes)\n", + pr_notice("Ignoring BGRT: failed to allocate memory for image (wanted %zu bytes)\n", bgrt_image_size); return; } image = memremap(bgrt_tab->image_address, bmp_header.size, MEMREMAP_WB); if (!image) { - pr_err("Ignoring BGRT: failed to map image memory\n"); + pr_notice("Ignoring BGRT: failed to map image memory\n"); kfree(bgrt_image); bgrt_image = NULL; return; diff --git a/arch/x86/platform/efi/quirks.c b/arch/x86/platform/efi/quirks.c index ab50ada1d56e..818d12ad7761 100644 --- a/arch/x86/platform/efi/quirks.c +++ b/arch/x86/platform/efi/quirks.c @@ -373,5 +373,5 @@ bool efi_reboot_required(void) bool efi_poweroff_required(void) { - return !!acpi_gbl_reduced_hardware; + return acpi_gbl_reduced_hardware || acpi_no_s5; } diff --git a/drivers/acpi/Kconfig b/drivers/acpi/Kconfig index 82b96ee8624c..b225c4b9ba14 100644 --- a/drivers/acpi/Kconfig +++ b/drivers/acpi/Kconfig @@ -311,12 +311,12 @@ config ACPI_CUSTOM_DSDT bool default ACPI_CUSTOM_DSDT_FILE != "" -config ACPI_INITRD_TABLE_OVERRIDE - bool "ACPI tables override via initrd" +config ACPI_TABLE_UPGRADE + bool "Allow upgrading ACPI tables via initrd" depends on BLK_DEV_INITRD && X86 - default n + default y help - This option provides functionality to override arbitrary ACPI tables + This option provides functionality to upgrade arbitrary ACPI tables via initrd. No functional change if no ACPI tables are passed via initrd, therefore it's safe to say Y. See Documentation/acpi/initrd_table_override.txt for details diff --git a/drivers/acpi/Makefile b/drivers/acpi/Makefile index 345df7f960b6..251ce85a66fb 100644 --- a/drivers/acpi/Makefile +++ b/drivers/acpi/Makefile @@ -47,6 +47,7 @@ acpi-$(CONFIG_ARM_AMBA) += acpi_amba.o acpi-y += int340x_thermal.o acpi-y += power.o acpi-y += event.o +acpi-$(CONFIG_ACPI_REDUCED_HARDWARE_ONLY) += evged.o acpi-y += sysfs.o acpi-y += property.o acpi-$(CONFIG_X86) += acpi_cmos_rtc.o diff --git a/drivers/acpi/acpi_amba.c b/drivers/acpi/acpi_amba.c index 2a61b54ab968..7f77c071709a 100644 --- a/drivers/acpi/acpi_amba.c +++ b/drivers/acpi/acpi_amba.c @@ -35,8 +35,7 @@ static void amba_register_dummy_clk(void) if (amba_dummy_clk) return; - amba_dummy_clk = clk_register_fixed_rate(NULL, "apb_pclk", NULL, - CLK_IS_ROOT, 0); + amba_dummy_clk = clk_register_fixed_rate(NULL, "apb_pclk", NULL, 0, 0); clk_register_clkdev(amba_dummy_clk, "apb_pclk", NULL); } diff --git a/drivers/acpi/acpi_apd.c b/drivers/acpi/acpi_apd.c index f245bf35bedb..1daf9c46df8e 100644 --- a/drivers/acpi/acpi_apd.c +++ b/drivers/acpi/acpi_apd.c @@ -62,8 +62,7 @@ static int acpi_apd_setup(struct apd_private_data *pdata) if (dev_desc->fixed_clk_rate) { clk = clk_register_fixed_rate(&pdata->adev->dev, dev_name(&pdata->adev->dev), - NULL, CLK_IS_ROOT, - dev_desc->fixed_clk_rate); + NULL, 0, dev_desc->fixed_clk_rate); clk_register_clkdev(clk, NULL, dev_name(&pdata->adev->dev)); pdata->clk = clk; } diff --git a/drivers/acpi/acpi_video.c b/drivers/acpi/acpi_video.c index 4361bc98ef4c..3d5b8a099351 100644 --- a/drivers/acpi/acpi_video.c +++ b/drivers/acpi/acpi_video.c @@ -191,19 +191,6 @@ struct acpi_video_device_cap { u8 _DDC:1; /* Return the EDID for this device */ }; -struct acpi_video_brightness_flags { - u8 _BCL_no_ac_battery_levels:1; /* no AC/Battery levels in _BCL */ - u8 _BCL_reversed:1; /* _BCL package is in a reversed order */ - u8 _BQC_use_index:1; /* _BQC returns an index value */ -}; - -struct acpi_video_device_brightness { - int curr; - int count; - int *levels; - struct acpi_video_brightness_flags flags; -}; - struct acpi_video_device { unsigned long device_id; struct acpi_video_device_flags flags; @@ -325,7 +312,7 @@ static const struct thermal_cooling_device_ops video_cooling_ops = { */ static int -acpi_video_device_lcd_query_levels(struct acpi_video_device *device, +acpi_video_device_lcd_query_levels(acpi_handle handle, union acpi_object **levels) { int status; @@ -335,7 +322,7 @@ acpi_video_device_lcd_query_levels(struct acpi_video_device *device, *levels = NULL; - status = acpi_evaluate_object(device->dev->handle, "_BCL", NULL, &buffer); + status = acpi_evaluate_object(handle, "_BCL", NULL, &buffer); if (!ACPI_SUCCESS(status)) return status; obj = (union acpi_object *)buffer.pointer; @@ -766,36 +753,28 @@ static int acpi_video_bqc_quirk(struct acpi_video_device *device, return 0; } - -/* - * Arg: - * device : video output device (LCD, CRT, ..) - * - * Return Value: - * Maximum brightness level - * - * Allocate and initialize device->brightness. - */ - -static int -acpi_video_init_brightness(struct acpi_video_device *device) +int acpi_video_get_levels(struct acpi_device *device, + struct acpi_video_device_brightness **dev_br) { union acpi_object *obj = NULL; int i, max_level = 0, count = 0, level_ac_battery = 0; - unsigned long long level, level_old; union acpi_object *o; struct acpi_video_device_brightness *br = NULL; - int result = -EINVAL; + int result = 0; u32 value; - if (!ACPI_SUCCESS(acpi_video_device_lcd_query_levels(device, &obj))) { + if (!ACPI_SUCCESS(acpi_video_device_lcd_query_levels(device->handle, + &obj))) { ACPI_DEBUG_PRINT((ACPI_DB_INFO, "Could not query available " "LCD brightness level\n")); + result = -ENODEV; goto out; } - if (obj->package.count < 2) + if (obj->package.count < 2) { + result = -EINVAL; goto out; + } br = kzalloc(sizeof(*br), GFP_KERNEL); if (!br) { @@ -861,6 +840,38 @@ acpi_video_init_brightness(struct acpi_video_device *device) "Found unordered _BCL package")); br->count = count; + *dev_br = br; + +out: + kfree(obj); + return result; +out_free: + kfree(br); + goto out; +} +EXPORT_SYMBOL(acpi_video_get_levels); + +/* + * Arg: + * device : video output device (LCD, CRT, ..) + * + * Return Value: + * Maximum brightness level + * + * Allocate and initialize device->brightness. + */ + +static int +acpi_video_init_brightness(struct acpi_video_device *device) +{ + int i, max_level = 0; + unsigned long long level, level_old; + struct acpi_video_device_brightness *br = NULL; + int result = -EINVAL; + + result = acpi_video_get_levels(device->dev, &br); + if (result) + return result; device->brightness = br; /* _BQC uses INDEX while _BCL uses VALUE in some laptops */ @@ -903,17 +914,13 @@ set_level: goto out_free_levels; ACPI_DEBUG_PRINT((ACPI_DB_INFO, - "found %d brightness levels\n", count - 2)); - kfree(obj); - return result; + "found %d brightness levels\n", br->count - 2)); + return 0; out_free_levels: kfree(br->levels); -out_free: kfree(br); -out: device->brightness = NULL; - kfree(obj); return result; } diff --git a/drivers/acpi/acpica/Makefile b/drivers/acpi/acpica/Makefile index f682374c19f4..227bb7bb19d7 100644 --- a/drivers/acpi/acpica/Makefile +++ b/drivers/acpi/acpica/Makefile @@ -43,6 +43,7 @@ acpi-y += \ evxfregn.o acpi-y += \ + exconcat.o \ exconfig.o \ exconvrt.o \ excreate.o \ @@ -149,6 +150,7 @@ acpi-y += \ acpi-y += \ utaddress.o \ utalloc.o \ + utascii.o \ utbuffer.o \ utcopy.o \ utexcep.o \ diff --git a/drivers/acpi/acpica/acdebug.h b/drivers/acpi/acpica/acdebug.h index 993af9eb007a..f6404ea928cb 100644 --- a/drivers/acpi/acpica/acdebug.h +++ b/drivers/acpi/acpica/acdebug.h @@ -53,7 +53,7 @@ #define ACPI_DEBUG_BUFFER_SIZE 0x4000 /* 16K buffer for return objects */ struct acpi_db_command_info { - char *name; /* Command Name */ + const char *name; /* Command Name */ u8 min_args; /* Minimum arguments required */ }; @@ -64,7 +64,7 @@ struct acpi_db_command_help { }; struct acpi_db_argument_info { - char *name; /* Argument Name */ + const char *name; /* Argument Name */ }; struct acpi_db_execute_walk { @@ -196,7 +196,7 @@ ACPI_DBR_DEPENDENT_RETURN_VOID(void acpi_walk_state *walk_state)) - acpi_status acpi_db_display_all_methods(char *display_count_arg); +acpi_status acpi_db_display_all_methods(char *display_count_arg); void acpi_db_display_arguments(void); @@ -220,7 +220,7 @@ ACPI_DBR_DEPENDENT_RETURN_VOID(void * dbexec - debugger control method execution */ void -acpi_db_execute(char *name, char **args, acpi_object_type * types, u32 flags); +acpi_db_execute(char *name, char **args, acpi_object_type *types, u32 flags); void acpi_db_create_execution_threads(char *num_threads_arg, @@ -271,7 +271,7 @@ void ACPI_SYSTEM_XFACE acpi_db_execute_thread(void *context); acpi_status acpi_db_user_commands(void); char *acpi_db_get_next_token(char *string, - char **next, acpi_object_type * return_type); + char **next, acpi_object_type *return_type); /* * dbobject diff --git a/drivers/acpi/acpica/acevents.h b/drivers/acpi/acpica/acevents.h index 010cf81bada9..77af91cf46d4 100644 --- a/drivers/acpi/acpica/acevents.h +++ b/drivers/acpi/acpica/acevents.h @@ -72,6 +72,7 @@ acpi_status acpi_ev_init_global_lock_handler(void); ACPI_HW_DEPENDENT_RETURN_OK(acpi_status acpi_ev_acquire_global_lock(u16 timeout)) ACPI_HW_DEPENDENT_RETURN_OK(acpi_status acpi_ev_release_global_lock(void)) + acpi_status acpi_ev_remove_global_lock_handler(void); /* @@ -198,8 +199,6 @@ void acpi_ev_detach_region(union acpi_operand_object *region_obj, u8 acpi_ns_is_locked); -void acpi_ev_associate_reg_method(union acpi_operand_object *region_obj); - void acpi_ev_execute_reg_methods(struct acpi_namespace_node *node, acpi_adr_space_type space_id, u32 function); diff --git a/drivers/acpi/acpica/acglobal.h b/drivers/acpi/acpica/acglobal.h index 51b073b68f16..fded776236e2 100644 --- a/drivers/acpi/acpica/acglobal.h +++ b/drivers/acpi/acpica/acglobal.h @@ -187,6 +187,8 @@ extern const char *acpi_gbl_sleep_state_names[ACPI_S_STATE_COUNT]; extern const char *acpi_gbl_lowest_dstate_names[ACPI_NUM_sx_w_METHODS]; extern const char *acpi_gbl_highest_dstate_names[ACPI_NUM_sx_d_METHODS]; extern const char *acpi_gbl_region_types[ACPI_NUM_PREDEFINED_REGIONS]; +extern const char acpi_gbl_lower_hex_digits[]; +extern const char acpi_gbl_upper_hex_digits[]; extern const struct acpi_opcode_info acpi_gbl_aml_op_info[AML_NUM_OPCODES]; #ifdef ACPI_DBG_TRACK_ALLOCATIONS @@ -361,6 +363,15 @@ ACPI_GLOBAL(u32, acpi_gbl_num_objects); #endif /* ACPI_DEBUGGER */ +#if defined (ACPI_DISASSEMBLER) || defined (ACPI_ASL_COMPILER) + +ACPI_GLOBAL(const char, *acpi_gbl_pld_panel_list[]); +ACPI_GLOBAL(const char, *acpi_gbl_pld_vertical_position_list[]); +ACPI_GLOBAL(const char, *acpi_gbl_pld_horizontal_position_list[]); +ACPI_GLOBAL(const char, *acpi_gbl_pld_shape_list[]); + +#endif + /***************************************************************************** * * Application globals diff --git a/drivers/acpi/acpica/acinterp.h b/drivers/acpi/acpica/acinterp.h index bae1a35c345f..7ead235555cf 100644 --- a/drivers/acpi/acpica/acinterp.h +++ b/drivers/acpi/acpica/acinterp.h @@ -67,7 +67,7 @@ typedef const struct acpi_exdump_info { u8 opcode; u8 offset; - char *name; + const char *name; } acpi_exdump_info; @@ -370,7 +370,7 @@ acpi_ex_resolve_to_value(union acpi_operand_object **stack_ptr, acpi_status acpi_ex_resolve_multiple(struct acpi_walk_state *walk_state, union acpi_operand_object *operand, - acpi_object_type * return_type, + acpi_object_type *return_type, union acpi_operand_object **return_desc); /* diff --git a/drivers/acpi/acpica/aclocal.h b/drivers/acpi/acpica/aclocal.h index 9562a10a1a18..13331d70dea0 100644 --- a/drivers/acpi/acpica/aclocal.h +++ b/drivers/acpi/acpica/aclocal.h @@ -278,7 +278,7 @@ struct acpi_create_field_info { }; typedef -acpi_status(*acpi_internal_method) (struct acpi_walk_state * walk_state); +acpi_status (*acpi_internal_method) (struct acpi_walk_state * walk_state); /* * Bitmapped ACPI types. Used internally only @@ -395,11 +395,12 @@ union acpi_predefined_info { /* Return object auto-repair info */ -typedef acpi_status(*acpi_object_converter) (struct acpi_namespace_node * scope, - union acpi_operand_object - *original_object, - union acpi_operand_object - **converted_object); +typedef acpi_status (*acpi_object_converter) (struct acpi_namespace_node * + scope, + union acpi_operand_object * + original_object, + union acpi_operand_object ** + converted_object); struct acpi_simple_repair_info { char name[ACPI_NAME_SIZE]; @@ -539,10 +540,10 @@ struct acpi_gpe_device_info { struct acpi_namespace_node *gpe_device; }; -typedef acpi_status(*acpi_gpe_callback) (struct acpi_gpe_xrupt_info * - gpe_xrupt_info, - struct acpi_gpe_block_info *gpe_block, - void *context); +typedef acpi_status (*acpi_gpe_callback) (struct acpi_gpe_xrupt_info * + gpe_xrupt_info, + struct acpi_gpe_block_info * + gpe_block, void *context); /* Information about each particular fixed event */ @@ -657,10 +658,11 @@ struct acpi_result_values { }; typedef -acpi_status(*acpi_parse_downwards) (struct acpi_walk_state * walk_state, - union acpi_parse_object ** out_op); +acpi_status (*acpi_parse_downwards) (struct acpi_walk_state * walk_state, + union acpi_parse_object ** out_op); -typedef acpi_status(*acpi_parse_upwards) (struct acpi_walk_state * walk_state); +typedef +acpi_status (*acpi_parse_upwards) (struct acpi_walk_state * walk_state); /* Global handlers for AML Notifies */ @@ -700,7 +702,8 @@ union acpi_generic_state { * ****************************************************************************/ -typedef acpi_status(*acpi_execute_op) (struct acpi_walk_state * walk_state); +typedef +acpi_status (*acpi_execute_op) (struct acpi_walk_state * walk_state); /* Address Range info block */ @@ -853,24 +856,24 @@ struct acpi_parse_state { /* Parse object flags */ -#define ACPI_PARSEOP_GENERIC 0x01 -#define ACPI_PARSEOP_NAMED 0x02 -#define ACPI_PARSEOP_DEFERRED 0x04 -#define ACPI_PARSEOP_BYTELIST 0x08 -#define ACPI_PARSEOP_IN_STACK 0x10 -#define ACPI_PARSEOP_TARGET 0x20 -#define ACPI_PARSEOP_IN_CACHE 0x80 +#define ACPI_PARSEOP_GENERIC 0x01 +#define ACPI_PARSEOP_NAMED_OBJECT 0x02 +#define ACPI_PARSEOP_DEFERRED 0x04 +#define ACPI_PARSEOP_BYTELIST 0x08 +#define ACPI_PARSEOP_IN_STACK 0x10 +#define ACPI_PARSEOP_TARGET 0x20 +#define ACPI_PARSEOP_IN_CACHE 0x80 /* Parse object disasm_flags */ -#define ACPI_PARSEOP_IGNORE 0x01 -#define ACPI_PARSEOP_PARAMLIST 0x02 -#define ACPI_PARSEOP_EMPTY_TERMLIST 0x04 -#define ACPI_PARSEOP_PREDEF_CHECKED 0x08 -#define ACPI_PARSEOP_CLOSING_PAREN 0x10 -#define ACPI_PARSEOP_COMPOUND 0x20 -#define ACPI_PARSEOP_ASSIGNMENT 0x40 -#define ACPI_PARSEOP_ELSEIF 0x80 +#define ACPI_PARSEOP_IGNORE 0x01 +#define ACPI_PARSEOP_PARAMETER_LIST 0x02 +#define ACPI_PARSEOP_EMPTY_TERMLIST 0x04 +#define ACPI_PARSEOP_PREDEFINED_CHECKED 0x08 +#define ACPI_PARSEOP_CLOSING_PAREN 0x10 +#define ACPI_PARSEOP_COMPOUND_ASSIGNMENT 0x20 +#define ACPI_PARSEOP_ASSIGNMENT 0x40 +#define ACPI_PARSEOP_ELSEIF 0x80 /***************************************************************************** * @@ -1096,6 +1099,7 @@ struct acpi_external_list { #define ACPI_EXT_ORIGIN_FROM_FILE 0x02 /* External came from a file */ #define ACPI_EXT_INTERNAL_PATH_ALLOCATED 0x04 /* Deallocate internal path on completion */ #define ACPI_EXT_EXTERNAL_EMITTED 0x08 /* External() statement has been emitted */ +#define ACPI_EXT_ORIGIN_FROM_OPCODE 0x10 /* External came from a External() opcode */ struct acpi_external_file { char *path; diff --git a/drivers/acpi/acpica/acmacros.h b/drivers/acpi/acpica/acmacros.h index 411c18b7d541..a3b95431b7c5 100644 --- a/drivers/acpi/acpica/acmacros.h +++ b/drivers/acpi/acpica/acmacros.h @@ -260,14 +260,31 @@ #define ACPI_IS_MISALIGNED(value) (((acpi_size) value) & (sizeof(acpi_size)-1)) +/* Generic (power-of-two) rounding */ + +#define ACPI_IS_ALIGNED(a, s) (((a) & ((s) - 1)) == 0) +#define ACPI_IS_POWER_OF_TWO(a) ACPI_IS_ALIGNED(a, a) + /* * Bitmask creation * Bit positions start at zero. * MASK_BITS_ABOVE creates a mask starting AT the position and above * MASK_BITS_BELOW creates a mask starting one bit BELOW the position + * MASK_BITS_ABOVE/BELOW accpets a bit offset to create a mask + * MASK_BITS_ABOVE/BELOW_32/64 accpets a bit width to create a mask + * Note: The ACPI_INTEGER_BIT_SIZE check is used to bypass compiler + * differences with the shift operator */ #define ACPI_MASK_BITS_ABOVE(position) (~((ACPI_UINT64_MAX) << ((u32) (position)))) #define ACPI_MASK_BITS_BELOW(position) ((ACPI_UINT64_MAX) << ((u32) (position))) +#define ACPI_MASK_BITS_ABOVE_32(width) ((u32) ACPI_MASK_BITS_ABOVE(width)) +#define ACPI_MASK_BITS_BELOW_32(width) ((u32) ACPI_MASK_BITS_BELOW(width)) +#define ACPI_MASK_BITS_ABOVE_64(width) ((width) == ACPI_INTEGER_BIT_SIZE ? \ + ACPI_UINT64_MAX : \ + ACPI_MASK_BITS_ABOVE(width)) +#define ACPI_MASK_BITS_BELOW_64(width) ((width) == ACPI_INTEGER_BIT_SIZE ? \ + (u64) 0 : \ + ACPI_MASK_BITS_BELOW(width)) /* Bitfields within ACPI registers */ @@ -283,10 +300,10 @@ /* Generic bitfield macros and masks */ #define ACPI_GET_BITS(source_ptr, position, mask) \ - ((*source_ptr >> position) & mask) + ((*(source_ptr) >> (position)) & (mask)) #define ACPI_SET_BITS(target_ptr, position, mask, value) \ - (*target_ptr |= ((value & mask) << position)) + (*(target_ptr) |= (((value) & (mask)) << (position))) #define ACPI_1BIT_MASK 0x00000001 #define ACPI_2BIT_MASK 0x00000003 diff --git a/drivers/acpi/acpica/acnamesp.h b/drivers/acpi/acpica/acnamesp.h index 022d69cb345a..f33a4ba8e0cb 100644 --- a/drivers/acpi/acpica/acnamesp.h +++ b/drivers/acpi/acpica/acnamesp.h @@ -206,9 +206,10 @@ void acpi_ns_dump_tables(acpi_handle search_base, u32 max_depth); void acpi_ns_dump_entry(acpi_handle handle, u32 debug_level); void -acpi_ns_dump_pathname(acpi_handle handle, char *msg, u32 level, u32 component); +acpi_ns_dump_pathname(acpi_handle handle, + const char *msg, u32 level, u32 component); -void acpi_ns_print_pathname(u32 num_segments, char *pathname); +void acpi_ns_print_pathname(u32 num_segments, const char *pathname); acpi_status acpi_ns_dump_one_object(acpi_handle obj_handle, diff --git a/drivers/acpi/acpica/acparser.h b/drivers/acpi/acpica/acparser.h index 7da639d62416..fc305775c3d7 100644 --- a/drivers/acpi/acpica/acparser.h +++ b/drivers/acpi/acpica/acparser.h @@ -139,7 +139,7 @@ acpi_ps_complete_final_op(struct acpi_walk_state *walk_state, */ const struct acpi_opcode_info *acpi_ps_get_opcode_info(u16 opcode); -char *acpi_ps_get_opcode_name(u16 opcode); +const char *acpi_ps_get_opcode_name(u16 opcode); u8 acpi_ps_get_argument_count(u32 op_type); diff --git a/drivers/acpi/acpica/acpredef.h b/drivers/acpi/acpica/acpredef.h index 5faeab41e302..888440b2cf2e 100644 --- a/drivers/acpi/acpica/acpredef.h +++ b/drivers/acpi/acpica/acpredef.h @@ -129,7 +129,8 @@ enum acpi_return_package_types { ACPI_PTYPE2_REV_FIXED = 9, ACPI_PTYPE2_FIX_VAR = 10, ACPI_PTYPE2_VAR_VAR = 11, - ACPI_PTYPE2_UUID_PAIR = 12 + ACPI_PTYPE2_UUID_PAIR = 12, + ACPI_PTYPE_CUSTOM = 13 }; /* Support macros for users of the predefined info table */ @@ -340,7 +341,7 @@ const union acpi_predefined_info acpi_gbl_predefined_methods[] = { {{"_BIX", METHOD_0ARGS, METHOD_RETURNS(ACPI_RTYPE_PACKAGE)}}, /* Fixed-length (16 Int),(4 Str) */ - PACKAGE_INFO(ACPI_PTYPE1_FIXED, ACPI_RTYPE_INTEGER, 16, + PACKAGE_INFO(ACPI_PTYPE_CUSTOM, ACPI_RTYPE_INTEGER, 16, ACPI_RTYPE_STRING, 4, 0), {{"_BLT", @@ -523,6 +524,9 @@ const union acpi_predefined_info acpi_gbl_predefined_methods[] = { METHOD_RETURNS(ACPI_RTYPE_PACKAGE)}}, /* Fixed-length (4 Int) */ PACKAGE_INFO(ACPI_PTYPE1_FIXED, ACPI_RTYPE_INTEGER, 4, 0, 0, 0), + {{"_FIT", METHOD_0ARGS, + METHOD_RETURNS(ACPI_RTYPE_BUFFER)}}, /* ACPI 6.0 */ + {{"_FIX", METHOD_0ARGS, METHOD_RETURNS(ACPI_RTYPE_PACKAGE)}}, /* Variable-length (Ints) */ PACKAGE_INFO(ACPI_PTYPE1_VAR, ACPI_RTYPE_INTEGER, 0, 0, 0, 0), @@ -1053,6 +1057,12 @@ const union acpi_predefined_info acpi_gbl_predefined_methods[] = { METHOD_RETURNS(ACPI_RTYPE_INTEGER | ACPI_RTYPE_STRING | ACPI_RTYPE_BUFFER)}}, + {{"_WPC", METHOD_0ARGS, + METHOD_RETURNS(ACPI_RTYPE_INTEGER)}}, /* ACPI 6.1 */ + + {{"_WPP", METHOD_0ARGS, + METHOD_RETURNS(ACPI_RTYPE_INTEGER)}}, /* ACPI 6.1 */ + PACKAGE_INFO(0, 0, 0, 0, 0, 0) /* Table terminator */ }; #else diff --git a/drivers/acpi/acpica/acresrc.h b/drivers/acpi/acpica/acresrc.h index 5dd58beafa5c..63da1e37caba 100644 --- a/drivers/acpi/acpica/acresrc.h +++ b/drivers/acpi/acpica/acresrc.h @@ -124,7 +124,7 @@ typedef enum { typedef const struct acpi_rsdump_info { u8 opcode; u8 offset; - char *name; + const char *name; const char **pointer; } acpi_rsdump_info; @@ -209,7 +209,7 @@ acpi_rs_get_prs_method_data(struct acpi_namespace_node *node, acpi_status acpi_rs_get_method_data(acpi_handle handle, - char *path, struct acpi_buffer *ret_buffer); + const char *path, struct acpi_buffer *ret_buffer); acpi_status acpi_rs_set_srs_method_data(struct acpi_namespace_node *node, @@ -223,16 +223,16 @@ acpi_rs_get_aei_method_data(struct acpi_namespace_node *node, * rscalc */ acpi_status -acpi_rs_get_list_length(u8 * aml_buffer, - u32 aml_buffer_length, acpi_size * size_needed); +acpi_rs_get_list_length(u8 *aml_buffer, + u32 aml_buffer_length, acpi_size *size_needed); acpi_status acpi_rs_get_aml_length(struct acpi_resource *resource_list, - acpi_size resource_list_size, acpi_size * size_needed); + acpi_size resource_list_size, acpi_size *size_needed); acpi_status acpi_rs_get_pci_routing_table_length(union acpi_operand_object *package_object, - acpi_size * buffer_size_needed); + acpi_size *buffer_size_needed); acpi_status acpi_rs_convert_aml_to_resources(u8 * aml, diff --git a/drivers/acpi/acpica/acstruct.h b/drivers/acpi/acpica/acstruct.h index b3b386e0b119..6235642e31d3 100644 --- a/drivers/acpi/acpica/acstruct.h +++ b/drivers/acpi/acpica/acstruct.h @@ -184,7 +184,7 @@ struct acpi_evaluate_info { /* The first 3 elements are passed by the caller to acpi_ns_evaluate */ struct acpi_namespace_node *prefix_node; /* Input: starting node */ - char *relative_pathname; /* Input: path relative to prefix_node */ + const char *relative_pathname; /* Input: path relative to prefix_node */ union acpi_operand_object **parameters; /* Input: argument list */ struct acpi_namespace_node *node; /* Resolved node (prefix_node:relative_pathname) */ diff --git a/drivers/acpi/acpica/actables.h b/drivers/acpi/acpica/actables.h index 848ad3ac938f..cd5a135fcf29 100644 --- a/drivers/acpi/acpica/actables.h +++ b/drivers/acpi/acpica/actables.h @@ -161,8 +161,6 @@ acpi_tb_install_fixed_table(acpi_physical_address address, acpi_status acpi_tb_parse_root_table(acpi_physical_address rsdp_address); -u8 acpi_is_valid_signature(char *signature); - /* * tbxfload */ diff --git a/drivers/acpi/acpica/acutils.h b/drivers/acpi/acpica/acutils.h index e43ab6f2ad7e..a7dbb2b882cf 100644 --- a/drivers/acpi/acpica/acutils.h +++ b/drivers/acpi/acpica/acutils.h @@ -136,16 +136,16 @@ extern const char *acpi_gbl_pt_decode[]; #define ACPI_SMALL_VARIABLE_LENGTH 3 typedef -acpi_status(*acpi_walk_aml_callback) (u8 *aml, - u32 length, - u32 offset, - u8 resource_index, void **context); +acpi_status (*acpi_walk_aml_callback) (u8 *aml, + u32 length, + u32 offset, + u8 resource_index, void **context); typedef -acpi_status(*acpi_pkg_callback) (u8 object_type, - union acpi_operand_object *source_object, - union acpi_generic_state * state, - void *context); +acpi_status (*acpi_pkg_callback) (u8 object_type, + union acpi_operand_object * source_object, + union acpi_generic_state * state, + void *context); struct acpi_pkg_info { u8 *free_space; @@ -167,6 +167,15 @@ struct acpi_pkg_info { #define DB_QWORD_DISPLAY 8 /* + * utascii - ASCII utilities + */ +u8 acpi_ut_valid_nameseg(char *signature); + +u8 acpi_ut_valid_name_char(char character, u32 position); + +void acpi_ut_check_and_repair_ascii(u8 *name, char *repaired_name, u32 count); + +/* * utnonansi - Non-ANSI C library functions */ void acpi_ut_strupr(char *src_string); @@ -175,7 +184,14 @@ void acpi_ut_strlwr(char *src_string); int acpi_ut_stricmp(char *string1, char *string2); -acpi_status acpi_ut_strtoul64(char *string, u32 base, u64 *ret_integer); +acpi_status +acpi_ut_strtoul64(char *string, + u32 base, u32 max_integer_byte_width, u64 *ret_integer); + +/* Values for max_integer_byte_width above */ + +#define ACPI_MAX32_BYTE_WIDTH 4 +#define ACPI_MAX64_BYTE_WIDTH 8 /* * utglobal - Global data structures and procedures @@ -266,7 +282,8 @@ acpi_ut_trace(u32 line_number, void acpi_ut_trace_ptr(u32 line_number, const char *function_name, - const char *module_name, u32 component_id, void *pointer); + const char *module_name, + u32 component_id, const void *pointer); void acpi_ut_trace_u32(u32 line_number, @@ -276,7 +293,8 @@ acpi_ut_trace_u32(u32 line_number, void acpi_ut_trace_str(u32 line_number, const char *function_name, - const char *module_name, u32 component_id, char *string); + const char *module_name, + u32 component_id, const char *string); void acpi_ut_exit(u32 line_number, @@ -335,12 +353,12 @@ void acpi_ut_delete_internal_object_list(union acpi_operand_object **obj_list); */ acpi_status acpi_ut_evaluate_object(struct acpi_namespace_node *prefix_node, - char *path, + const char *path, u32 expected_return_btypes, union acpi_operand_object **return_desc); acpi_status -acpi_ut_evaluate_numeric_object(char *object_name, +acpi_ut_evaluate_numeric_object(const char *object_name, struct acpi_namespace_node *device_node, u64 *value); @@ -415,7 +433,7 @@ union acpi_operand_object *acpi_ut_create_buffer_object(acpi_size buffer_size); union acpi_operand_object *acpi_ut_create_string_object(acpi_size string_size); acpi_status -acpi_ut_get_object_size(union acpi_operand_object *obj, acpi_size * obj_length); +acpi_ut_get_object_size(union acpi_operand_object *obj, acpi_size *obj_length); /* * utosi - Support for the _OSI predefined control method @@ -526,15 +544,15 @@ void acpi_ut_set_integer_width(u8 revision); void acpi_ut_display_init_pathname(u8 type, struct acpi_namespace_node *obj_handle, - char *path); + const char *path); #endif /* * utownerid - Support for Table/Method Owner IDs */ -acpi_status acpi_ut_allocate_owner_id(acpi_owner_id * owner_id); +acpi_status acpi_ut_allocate_owner_id(acpi_owner_id *owner_id); -void acpi_ut_release_owner_id(acpi_owner_id * owner_id); +void acpi_ut_release_owner_id(acpi_owner_id *owner_id); /* * utresrc @@ -570,10 +588,6 @@ void acpi_ut_print_string(char *string, u16 max_length); void ut_convert_backslashes(char *pathname); #endif -u8 acpi_ut_valid_acpi_name(char *name); - -u8 acpi_ut_valid_acpi_char(char character, u32 position); - void acpi_ut_repair_name(char *name); #if defined (ACPI_DEBUGGER) || defined (ACPI_APPLICATION) @@ -628,7 +642,7 @@ void acpi_ut_dump_allocation_info(void); void acpi_ut_dump_allocations(u32 component, const char *module); acpi_status -acpi_ut_create_list(char *list_name, +acpi_ut_create_list(const char *list_name, u16 object_size, struct acpi_memory_list **return_cache); #endif /* ACPI_DBG_TRACK_ALLOCATIONS */ diff --git a/drivers/acpi/acpica/dbcmds.c b/drivers/acpi/acpica/dbcmds.c index 772178c96ccf..62bd446535f5 100644 --- a/drivers/acpi/acpica/dbcmds.c +++ b/drivers/acpi/acpica/dbcmds.c @@ -738,9 +738,9 @@ acpi_dm_test_resource_conversion(struct acpi_namespace_node *node, char *name) original_aml = return_buffer.pointer; acpi_dm_compare_aml_resources(original_aml->buffer.pointer, - (acpi_rsdesc_size) original_aml->buffer. + (acpi_rsdesc_size)original_aml->buffer. length, new_aml.pointer, - (acpi_rsdesc_size) new_aml.length); + (acpi_rsdesc_size)new_aml.length); /* Cleanup and exit */ diff --git a/drivers/acpi/acpica/dbconvert.c b/drivers/acpi/acpica/dbconvert.c index 68f4e0f4b095..7cd07b27f758 100644 --- a/drivers/acpi/acpica/dbconvert.c +++ b/drivers/acpi/acpica/dbconvert.c @@ -194,7 +194,7 @@ acpi_db_convert_to_buffer(char *string, union acpi_object *object) * ******************************************************************************/ -acpi_status acpi_db_convert_to_package(char *string, union acpi_object * object) +acpi_status acpi_db_convert_to_package(char *string, union acpi_object *object) { char *this; char *next; @@ -252,7 +252,7 @@ acpi_status acpi_db_convert_to_package(char *string, union acpi_object * object) acpi_status acpi_db_convert_to_object(acpi_object_type type, - char *string, union acpi_object * object) + char *string, union acpi_object *object) { acpi_status status = AE_OK; @@ -277,7 +277,9 @@ acpi_db_convert_to_object(acpi_object_type type, default: object->type = ACPI_TYPE_INTEGER; - status = acpi_ut_strtoul64(string, 16, &object->integer.value); + status = + acpi_ut_strtoul64(string, 16, acpi_gbl_integer_byte_width, + &object->integer.value); break; } diff --git a/drivers/acpi/acpica/dbexec.c b/drivers/acpi/acpica/dbexec.c index c814855376e2..12df2915ad74 100644 --- a/drivers/acpi/acpica/dbexec.c +++ b/drivers/acpi/acpica/dbexec.c @@ -361,7 +361,7 @@ acpi_db_execution_walk(acpi_handle obj_handle, ******************************************************************************/ void -acpi_db_execute(char *name, char **args, acpi_object_type * types, u32 flags) +acpi_db_execute(char *name, char **args, acpi_object_type *types, u32 flags) { acpi_status status; struct acpi_buffer return_obj; diff --git a/drivers/acpi/acpica/dbinput.c b/drivers/acpi/acpica/dbinput.c index 417c02a89915..7cd5d2e022da 100644 --- a/drivers/acpi/acpica/dbinput.c +++ b/drivers/acpi/acpica/dbinput.c @@ -57,12 +57,12 @@ static u32 acpi_db_get_line(char *input_buffer); static u32 acpi_db_match_command(char *user_command); -static void acpi_db_display_command_info(char *command, u8 display_all); +static void acpi_db_display_command_info(const char *command, u8 display_all); static void acpi_db_display_help(char *command); static u8 -acpi_db_match_command_help(char *command, +acpi_db_match_command_help(const char *command, const struct acpi_db_command_help *help); /* @@ -348,7 +348,7 @@ static const struct acpi_db_command_help acpi_gbl_db_command_help[] = { ******************************************************************************/ static u8 -acpi_db_match_command_help(char *command, +acpi_db_match_command_help(const char *command, const struct acpi_db_command_help *help) { char *invocation = help->invocation; @@ -402,7 +402,7 @@ acpi_db_match_command_help(char *command, * ******************************************************************************/ -static void acpi_db_display_command_info(char *command, u8 display_all) +static void acpi_db_display_command_info(const char *command, u8 display_all) { const struct acpi_db_command_help *next; u8 matched; @@ -466,7 +466,7 @@ static void acpi_db_display_help(char *command) ******************************************************************************/ char *acpi_db_get_next_token(char *string, - char **next, acpi_object_type * return_type) + char **next, acpi_object_type *return_type) { char *start; u32 depth; @@ -656,8 +656,9 @@ static u32 acpi_db_match_command(char *user_command) } for (i = CMD_FIRST_VALID; acpi_gbl_db_commands[i].name; i++) { - if (strstr(acpi_gbl_db_commands[i].name, user_command) == - acpi_gbl_db_commands[i].name) { + if (strstr + (ACPI_CAST_PTR(char, acpi_gbl_db_commands[i].name), + user_command) == acpi_gbl_db_commands[i].name) { return (i); } } @@ -683,8 +684,8 @@ static u32 acpi_db_match_command(char *user_command) acpi_status acpi_db_command_dispatch(char *input_buffer, - struct acpi_walk_state * walk_state, - union acpi_parse_object * op) + struct acpi_walk_state *walk_state, + union acpi_parse_object *op) { u32 temp; u32 command_index; diff --git a/drivers/acpi/acpica/dbnames.c b/drivers/acpi/acpica/dbnames.c index 3c23b5a1079b..8667f14d535e 100644 --- a/drivers/acpi/acpica/dbnames.c +++ b/drivers/acpi/acpica/dbnames.c @@ -285,7 +285,7 @@ void acpi_db_dump_namespace_by_owner(char *owner_arg, char *depth_arg) u32 max_depth = ACPI_UINT32_MAX; acpi_owner_id owner_id; - owner_id = (acpi_owner_id) strtoul(owner_arg, NULL, 0); + owner_id = (acpi_owner_id)strtoul(owner_arg, NULL, 0); /* Now we can check for the depth argument */ @@ -709,7 +709,7 @@ acpi_db_integrity_walk(acpi_handle obj_handle, return (AE_OK); } - if (!acpi_ut_valid_acpi_name(node->name.ascii)) { + if (!acpi_ut_valid_nameseg(node->name.ascii)) { acpi_os_printf("Invalid AcpiName for Node %p\n", node); return (AE_OK); } diff --git a/drivers/acpi/acpica/dbutils.c b/drivers/acpi/acpica/dbutils.c index b37a2c77b86b..ae80106d1000 100644 --- a/drivers/acpi/acpica/dbutils.c +++ b/drivers/acpi/acpica/dbutils.c @@ -56,8 +56,6 @@ acpi_status acpi_db_second_pass_parse(union acpi_parse_object *root); void acpi_db_dump_buffer(u32 address); #endif -static char *gbl_hex_to_ascii = "0123456789ABCDEF"; - /******************************************************************************* * * FUNCTION: acpi_db_match_argument @@ -82,8 +80,9 @@ acpi_db_match_argument(char *user_argument, } for (i = 0; arguments[i].name; i++) { - if (strstr(arguments[i].name, user_argument) == - arguments[i].name) { + if (strstr(ACPI_CAST_PTR(char, arguments[i].name), + ACPI_CAST_PTR(char, + user_argument)) == arguments[i].name) { return (i); } } @@ -339,7 +338,7 @@ void acpi_db_uint32_to_hex_string(u32 value, char *buffer) buffer[8] = '\0'; for (i = 7; i >= 0; i--) { - buffer[i] = gbl_hex_to_ascii[value & 0x0F]; + buffer[i] = acpi_gbl_upper_hex_digits[value & 0x0F]; value = value >> 4; } } diff --git a/drivers/acpi/acpica/dbxface.c b/drivers/acpi/acpica/dbxface.c index e94e0d80bc7b..124db237775d 100644 --- a/drivers/acpi/acpica/dbxface.c +++ b/drivers/acpi/acpica/dbxface.c @@ -162,8 +162,8 @@ void acpi_db_signal_break_point(struct acpi_walk_state *walk_state) ******************************************************************************/ acpi_status -acpi_db_single_step(struct acpi_walk_state * walk_state, - union acpi_parse_object * op, u32 opcode_class) +acpi_db_single_step(struct acpi_walk_state *walk_state, + union acpi_parse_object *op, u32 opcode_class) { union acpi_parse_object *next; acpi_status status = AE_OK; diff --git a/drivers/acpi/acpica/dscontrol.c b/drivers/acpi/acpica/dscontrol.c index c9a663f21ac8..4ddcbf100234 100644 --- a/drivers/acpi/acpica/dscontrol.c +++ b/drivers/acpi/acpica/dscontrol.c @@ -163,8 +163,8 @@ acpi_ds_exec_begin_control_op(struct acpi_walk_state *walk_state, ******************************************************************************/ acpi_status -acpi_ds_exec_end_control_op(struct acpi_walk_state * walk_state, - union acpi_parse_object * op) +acpi_ds_exec_end_control_op(struct acpi_walk_state *walk_state, + union acpi_parse_object *op) { acpi_status status = AE_OK; union acpi_generic_state *control_state; diff --git a/drivers/acpi/acpica/dsinit.c b/drivers/acpi/acpica/dsinit.c index 5aa1c5feee50..f1e6dcc7a827 100644 --- a/drivers/acpi/acpica/dsinit.c +++ b/drivers/acpi/acpica/dsinit.c @@ -188,7 +188,7 @@ acpi_ds_init_one_object(acpi_handle obj_handle, acpi_status acpi_ds_initialize_objects(u32 table_index, - struct acpi_namespace_node * start_node) + struct acpi_namespace_node *start_node) { acpi_status status; struct acpi_init_walk_info info; diff --git a/drivers/acpi/acpica/dsmethod.c b/drivers/acpi/acpica/dsmethod.c index 1982310e6d83..47c7b52a519c 100644 --- a/drivers/acpi/acpica/dsmethod.c +++ b/drivers/acpi/acpica/dsmethod.c @@ -209,7 +209,7 @@ acpi_ds_detect_named_opcodes(struct acpi_walk_state *walk_state, ******************************************************************************/ acpi_status -acpi_ds_method_error(acpi_status status, struct acpi_walk_state * walk_state) +acpi_ds_method_error(acpi_status status, struct acpi_walk_state *walk_state) { u32 aml_offset; @@ -428,6 +428,9 @@ acpi_ds_begin_method_execution(struct acpi_namespace_node *method_node, obj_desc->method.mutex->mutex. original_sync_level = obj_desc->method.mutex->mutex.sync_level; + + obj_desc->method.mutex->mutex.thread_id = + acpi_os_get_thread_id(); } } diff --git a/drivers/acpi/acpica/dsutils.c b/drivers/acpi/acpica/dsutils.c index 8ca9416320e0..f393de9f5887 100644 --- a/drivers/acpi/acpica/dsutils.c +++ b/drivers/acpi/acpica/dsutils.c @@ -569,7 +569,7 @@ acpi_ds_create_operand(struct acpi_walk_state *walk_state, /* TBD: May only be temporary */ obj_desc = - acpi_ut_create_string_object((acpi_size) name_length); + acpi_ut_create_string_object((acpi_size)name_length); strncpy(obj_desc->string.pointer, name_string, name_length); diff --git a/drivers/acpi/acpica/dswload.c b/drivers/acpi/acpica/dswload.c index d1cedcfda1d2..fd34040d4f44 100644 --- a/drivers/acpi/acpica/dswload.c +++ b/drivers/acpi/acpica/dswload.c @@ -137,8 +137,8 @@ acpi_ds_init_callbacks(struct acpi_walk_state *walk_state, u32 pass_number) ******************************************************************************/ acpi_status -acpi_ds_load1_begin_op(struct acpi_walk_state * walk_state, - union acpi_parse_object ** out_op) +acpi_ds_load1_begin_op(struct acpi_walk_state *walk_state, + union acpi_parse_object **out_op) { union acpi_parse_object *op; struct acpi_namespace_node *node; diff --git a/drivers/acpi/acpica/dswload2.c b/drivers/acpi/acpica/dswload2.c index 0bac6e14170e..762db3fa70e0 100644 --- a/drivers/acpi/acpica/dswload2.c +++ b/drivers/acpi/acpica/dswload2.c @@ -490,8 +490,8 @@ acpi_status acpi_ds_load2_end_op(struct acpi_walk_state *walk_state) status = acpi_ds_create_index_field(op, - (acpi_handle) arg-> - common.node, walk_state); + (acpi_handle)arg->common. + node, walk_state); break; case AML_BANK_FIELD_OP: diff --git a/drivers/acpi/acpica/dswstate.c b/drivers/acpi/acpica/dswstate.c index 3a26ddbaed6d..e3338698e56b 100644 --- a/drivers/acpi/acpica/dswstate.c +++ b/drivers/acpi/acpica/dswstate.c @@ -143,8 +143,8 @@ acpi_ds_result_pop(union acpi_operand_object **object, ******************************************************************************/ acpi_status -acpi_ds_result_push(union acpi_operand_object * object, - struct acpi_walk_state * walk_state) +acpi_ds_result_push(union acpi_operand_object *object, + struct acpi_walk_state *walk_state) { union acpi_generic_state *state; acpi_status status; @@ -307,7 +307,7 @@ static acpi_status acpi_ds_result_stack_pop(struct acpi_walk_state *walk_state) ******************************************************************************/ acpi_status -acpi_ds_obj_stack_push(void *object, struct acpi_walk_state * walk_state) +acpi_ds_obj_stack_push(void *object, struct acpi_walk_state *walk_state) { ACPI_FUNCTION_NAME(ds_obj_stack_push); @@ -354,7 +354,7 @@ acpi_ds_obj_stack_push(void *object, struct acpi_walk_state * walk_state) ******************************************************************************/ acpi_status -acpi_ds_obj_stack_pop(u32 pop_count, struct acpi_walk_state * walk_state) +acpi_ds_obj_stack_pop(u32 pop_count, struct acpi_walk_state *walk_state) { u32 i; @@ -411,7 +411,7 @@ acpi_ds_obj_stack_pop_and_delete(u32 pop_count, return; } - for (i = (s32) pop_count - 1; i >= 0; i--) { + for (i = (s32)pop_count - 1; i >= 0; i--) { if (walk_state->num_operands == 0) { return; } diff --git a/drivers/acpi/acpica/evgpe.c b/drivers/acpi/acpica/evgpe.c index b47e62aaf654..4b4949ce05bc 100644 --- a/drivers/acpi/acpica/evgpe.c +++ b/drivers/acpi/acpica/evgpe.c @@ -440,7 +440,7 @@ u32 acpi_ev_gpe_detect(struct acpi_gpe_xrupt_info *gpe_xrupt_list) gpe_event_info = &gpe_block-> - event_info[((acpi_size) i * + event_info[((acpi_size)i * ACPI_GPE_REGISTER_WIDTH) + j]; gpe_number = j + gpe_register_info->base_gpe_number; @@ -652,7 +652,7 @@ static void ACPI_SYSTEM_XFACE acpi_ev_asynch_enable_gpe(void *context) * ******************************************************************************/ -acpi_status acpi_ev_finish_gpe(struct acpi_gpe_event_info * gpe_event_info) +acpi_status acpi_ev_finish_gpe(struct acpi_gpe_event_info *gpe_event_info) { acpi_status status; diff --git a/drivers/acpi/acpica/evgpeblk.c b/drivers/acpi/acpica/evgpeblk.c index 447fa1cac64f..d54014cab01d 100644 --- a/drivers/acpi/acpica/evgpeblk.c +++ b/drivers/acpi/acpica/evgpeblk.c @@ -211,7 +211,7 @@ acpi_ev_create_gpe_info_blocks(struct acpi_gpe_block_info *gpe_block) /* Allocate the GPE register information block */ - gpe_register_info = ACPI_ALLOCATE_ZEROED((acpi_size) gpe_block-> + gpe_register_info = ACPI_ALLOCATE_ZEROED((acpi_size)gpe_block-> register_count * sizeof(struct acpi_gpe_register_info)); @@ -225,7 +225,7 @@ acpi_ev_create_gpe_info_blocks(struct acpi_gpe_block_info *gpe_block) * Allocate the GPE event_info block. There are eight distinct GPEs * per register. Initialization to zeros is sufficient. */ - gpe_event_info = ACPI_ALLOCATE_ZEROED((acpi_size) gpe_block->gpe_count * + gpe_event_info = ACPI_ALLOCATE_ZEROED((acpi_size)gpe_block->gpe_count * sizeof(struct acpi_gpe_event_info)); if (!gpe_event_info) { diff --git a/drivers/acpi/acpica/evgpeutil.c b/drivers/acpi/acpica/evgpeutil.c index 66c4b5b7cd64..3f150d567e64 100644 --- a/drivers/acpi/acpica/evgpeutil.c +++ b/drivers/acpi/acpica/evgpeutil.c @@ -163,7 +163,7 @@ acpi_ev_get_gpe_device(struct acpi_gpe_xrupt_info *gpe_xrupt_info, acpi_status acpi_ev_get_gpe_xrupt_block(u32 interrupt_number, - struct acpi_gpe_xrupt_info ** gpe_xrupt_block) + struct acpi_gpe_xrupt_info **gpe_xrupt_block) { struct acpi_gpe_xrupt_info *next_gpe_xrupt; struct acpi_gpe_xrupt_info *gpe_xrupt; @@ -320,7 +320,7 @@ acpi_ev_delete_gpe_handlers(struct acpi_gpe_xrupt_info *gpe_xrupt_info, /* Now look at the individual GPEs in this byte register */ for (j = 0; j < ACPI_GPE_REGISTER_WIDTH; j++) { - gpe_event_info = &gpe_block->event_info[((acpi_size) i * + gpe_event_info = &gpe_block->event_info[((acpi_size)i * ACPI_GPE_REGISTER_WIDTH) + j]; diff --git a/drivers/acpi/acpica/evhandler.c b/drivers/acpi/acpica/evhandler.c index 0f6be8956a99..24768ca03f19 100644 --- a/drivers/acpi/acpica/evhandler.c +++ b/drivers/acpi/acpica/evhandler.c @@ -359,7 +359,7 @@ union acpi_operand_object *acpi_ev_find_region_handler(acpi_adr_space_type ******************************************************************************/ acpi_status -acpi_ev_install_space_handler(struct acpi_namespace_node * node, +acpi_ev_install_space_handler(struct acpi_namespace_node *node, acpi_adr_space_type space_id, acpi_adr_space_handler handler, acpi_adr_space_setup setup, void *context) diff --git a/drivers/acpi/acpica/evmisc.c b/drivers/acpi/acpica/evmisc.c index c67d78c5995f..f51d43adb7d1 100644 --- a/drivers/acpi/acpica/evmisc.c +++ b/drivers/acpi/acpica/evmisc.c @@ -99,8 +99,7 @@ u8 acpi_ev_is_notify_object(struct acpi_namespace_node *node) ******************************************************************************/ acpi_status -acpi_ev_queue_notify_request(struct acpi_namespace_node * node, - u32 notify_value) +acpi_ev_queue_notify_request(struct acpi_namespace_node *node, u32 notify_value) { union acpi_operand_object *obj_desc; union acpi_operand_object *handler_list_head = NULL; diff --git a/drivers/acpi/acpica/evregion.c b/drivers/acpi/acpica/evregion.c index 63924d1c737a..4c6f79514040 100644 --- a/drivers/acpi/acpica/evregion.c +++ b/drivers/acpi/acpica/evregion.c @@ -526,81 +526,59 @@ acpi_ev_attach_region(union acpi_operand_object *handler_obj, /******************************************************************************* * - * FUNCTION: acpi_ev_associate_reg_method + * FUNCTION: acpi_ev_execute_reg_method * * PARAMETERS: region_obj - Region object + * function - Passed to _REG: On (1) or Off (0) * * RETURN: Status * - * DESCRIPTION: Find and associate _REG method to a region + * DESCRIPTION: Execute _REG method for a region * ******************************************************************************/ -void acpi_ev_associate_reg_method(union acpi_operand_object *region_obj) +acpi_status +acpi_ev_execute_reg_method(union acpi_operand_object *region_obj, u32 function) { - acpi_name *reg_name_ptr = (acpi_name *) METHOD_NAME__REG; + struct acpi_evaluate_info *info; + union acpi_operand_object *args[3]; + union acpi_operand_object *region_obj2; + const acpi_name *reg_name_ptr = + ACPI_CAST_PTR(acpi_name, METHOD_NAME__REG); struct acpi_namespace_node *method_node; struct acpi_namespace_node *node; - union acpi_operand_object *region_obj2; acpi_status status; - ACPI_FUNCTION_TRACE(ev_associate_reg_method); + ACPI_FUNCTION_TRACE(ev_execute_reg_method); + + if (!acpi_gbl_namespace_initialized || + region_obj->region.handler == NULL) { + return_ACPI_STATUS(AE_OK); + } region_obj2 = acpi_ns_get_secondary_object(region_obj); if (!region_obj2) { - return_VOID; + return_ACPI_STATUS(AE_NOT_EXIST); } + /* + * Find any "_REG" method associated with this region definition. + * The method should always be updated as this function may be + * invoked after a namespace change. + */ node = region_obj->region.node->parent; - - /* Find any "_REG" method associated with this region definition */ - status = acpi_ns_search_one_scope(*reg_name_ptr, node, ACPI_TYPE_METHOD, &method_node); if (ACPI_SUCCESS(status)) { /* - * The _REG method is optional and there can be only one per region - * definition. This will be executed when the handler is attached - * or removed + * The _REG method is optional and there can be only one per + * region definition. This will be executed when the handler is + * attached or removed. */ region_obj2->extra.method_REG = method_node; } - - return_VOID; -} - -/******************************************************************************* - * - * FUNCTION: acpi_ev_execute_reg_method - * - * PARAMETERS: region_obj - Region object - * function - Passed to _REG: On (1) or Off (0) - * - * RETURN: Status - * - * DESCRIPTION: Execute _REG method for a region - * - ******************************************************************************/ - -acpi_status -acpi_ev_execute_reg_method(union acpi_operand_object *region_obj, u32 function) -{ - struct acpi_evaluate_info *info; - union acpi_operand_object *args[3]; - union acpi_operand_object *region_obj2; - acpi_status status; - - ACPI_FUNCTION_TRACE(ev_execute_reg_method); - - region_obj2 = acpi_ns_get_secondary_object(region_obj); - if (!region_obj2) { - return_ACPI_STATUS(AE_NOT_EXIST); - } - - if (region_obj2->extra.method_REG == NULL || - region_obj->region.handler == NULL || - !acpi_gbl_namespace_initialized) { + if (region_obj2->extra.method_REG == NULL) { return_ACPI_STATUS(AE_OK); } diff --git a/drivers/acpi/acpica/evrgnini.c b/drivers/acpi/acpica/evrgnini.c index fda869c9ad0b..b6ea9c0d0d8c 100644 --- a/drivers/acpi/acpica/evrgnini.c +++ b/drivers/acpi/acpica/evrgnini.c @@ -227,7 +227,7 @@ acpi_ev_pci_config_region_setup(acpi_handle handle, /* Install a handler for this PCI root bridge */ - status = acpi_install_address_space_handler((acpi_handle) pci_root_node, ACPI_ADR_SPACE_PCI_CONFIG, ACPI_DEFAULT_HANDLER, NULL, NULL); + status = acpi_install_address_space_handler((acpi_handle)pci_root_node, ACPI_ADR_SPACE_PCI_CONFIG, ACPI_DEFAULT_HANDLER, NULL, NULL); if (ACPI_FAILURE(status)) { if (status == AE_SAME_HANDLER) { /* @@ -518,7 +518,6 @@ acpi_ev_initialize_region(union acpi_operand_object *region_obj, return_ACPI_STATUS(AE_OK); } - acpi_ev_associate_reg_method(region_obj); region_obj->common.flags |= AOPOBJ_OBJECT_INITIALIZED; node = region_obj->region.node->parent; diff --git a/drivers/acpi/acpica/evxfgpe.c b/drivers/acpi/acpica/evxfgpe.c index 90456714821f..17cfef721d00 100644 --- a/drivers/acpi/acpica/evxfgpe.c +++ b/drivers/acpi/acpica/evxfgpe.c @@ -917,7 +917,7 @@ ACPI_EXPORT_SYMBOL(acpi_remove_gpe_block) * the FADT-defined gpe blocks. Otherwise, the GPE block device. * ******************************************************************************/ -acpi_status acpi_get_gpe_device(u32 index, acpi_handle * gpe_device) +acpi_status acpi_get_gpe_device(u32 index, acpi_handle *gpe_device) { struct acpi_gpe_device_info info; acpi_status status; diff --git a/drivers/acpi/acpica/exconcat.c b/drivers/acpi/acpica/exconcat.c new file mode 100644 index 000000000000..2423fe03e879 --- /dev/null +++ b/drivers/acpi/acpica/exconcat.c @@ -0,0 +1,439 @@ +/****************************************************************************** + * + * Module Name: exconcat - Concatenate-type AML operators + * + *****************************************************************************/ + +/* + * Copyright (C) 2000 - 2016, Intel Corp. + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions, and the following disclaimer, + * without modification. + * 2. Redistributions in binary form must reproduce at minimum a disclaimer + * substantially similar to the "NO WARRANTY" disclaimer below + * ("Disclaimer") and any redistribution must be conditioned upon + * including a substantially similar Disclaimer requirement for further + * binary redistribution. + * 3. Neither the names of the above-listed copyright holders nor the names + * of any contributors may be used to endorse or promote products derived + * from this software without specific prior written permission. + * + * Alternatively, this software may be distributed under the terms of the + * GNU General Public License ("GPL") version 2 as published by the Free + * Software Foundation. + * + * NO WARRANTY + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS + * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT + * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR + * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT + * HOLDERS OR CONTRIBUTORS BE LIABLE FOR SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS + * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, + * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING + * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE + * POSSIBILITY OF SUCH DAMAGES. + */ + +#include <acpi/acpi.h> +#include "accommon.h" +#include "acinterp.h" +#include "amlresrc.h" + +#define _COMPONENT ACPI_EXECUTER +ACPI_MODULE_NAME("exconcat") + +/* Local Prototypes */ +static acpi_status +acpi_ex_convert_to_object_type_string(union acpi_operand_object *obj_desc, + union acpi_operand_object **result_desc); + +/******************************************************************************* + * + * FUNCTION: acpi_ex_do_concatenate + * + * PARAMETERS: operand0 - First source object + * operand1 - Second source object + * actual_return_desc - Where to place the return object + * walk_state - Current walk state + * + * RETURN: Status + * + * DESCRIPTION: Concatenate two objects with the ACPI-defined conversion + * rules as necessary. + * NOTE: + * Per the ACPI spec (up to 6.1), Concatenate only supports Integer, + * String, and Buffer objects. However, we support all objects here + * as an extension. This improves the usefulness of both Concatenate + * and the Printf/Fprintf macros. The extension returns a string + * describing the object type for the other objects. + * 02/2016. + * + ******************************************************************************/ + +acpi_status +acpi_ex_do_concatenate(union acpi_operand_object *operand0, + union acpi_operand_object *operand1, + union acpi_operand_object **actual_return_desc, + struct acpi_walk_state *walk_state) +{ + union acpi_operand_object *local_operand0 = operand0; + union acpi_operand_object *local_operand1 = operand1; + union acpi_operand_object *temp_operand1 = NULL; + union acpi_operand_object *return_desc; + char *buffer; + acpi_object_type operand0_type; + acpi_object_type operand1_type; + acpi_status status; + + ACPI_FUNCTION_TRACE(ex_do_concatenate); + + /* Operand 0 preprocessing */ + + switch (operand0->common.type) { + case ACPI_TYPE_INTEGER: + case ACPI_TYPE_STRING: + case ACPI_TYPE_BUFFER: + + operand0_type = operand0->common.type; + break; + + default: + + /* For all other types, get the "object type" string */ + + status = + acpi_ex_convert_to_object_type_string(operand0, + &local_operand0); + if (ACPI_FAILURE(status)) { + goto cleanup; + } + + operand0_type = ACPI_TYPE_STRING; + break; + } + + /* Operand 1 preprocessing */ + + switch (operand1->common.type) { + case ACPI_TYPE_INTEGER: + case ACPI_TYPE_STRING: + case ACPI_TYPE_BUFFER: + + operand1_type = operand1->common.type; + break; + + default: + + /* For all other types, get the "object type" string */ + + status = + acpi_ex_convert_to_object_type_string(operand1, + &local_operand1); + if (ACPI_FAILURE(status)) { + goto cleanup; + } + + operand1_type = ACPI_TYPE_STRING; + break; + } + + /* + * Convert the second operand if necessary. The first operand (0) + * determines the type of the second operand (1) (See the Data Types + * section of the ACPI specification). Both object types are + * guaranteed to be either Integer/String/Buffer by the operand + * resolution mechanism. + */ + switch (operand0_type) { + case ACPI_TYPE_INTEGER: + + status = + acpi_ex_convert_to_integer(local_operand1, &temp_operand1, + 16); + break; + + case ACPI_TYPE_BUFFER: + + status = + acpi_ex_convert_to_buffer(local_operand1, &temp_operand1); + break; + + case ACPI_TYPE_STRING: + + switch (operand1_type) { + case ACPI_TYPE_INTEGER: + case ACPI_TYPE_STRING: + case ACPI_TYPE_BUFFER: + + /* Other types have already been converted to string */ + + status = + acpi_ex_convert_to_string(local_operand1, + &temp_operand1, + ACPI_IMPLICIT_CONVERT_HEX); + break; + + default: + + status = AE_OK; + break; + } + break; + + default: + + ACPI_ERROR((AE_INFO, "Invalid object type: 0x%X", + operand0->common.type)); + status = AE_AML_INTERNAL; + } + + if (ACPI_FAILURE(status)) { + goto cleanup; + } + + /* Take care with any newly created operand objects */ + + if ((local_operand1 != operand1) && (local_operand1 != temp_operand1)) { + acpi_ut_remove_reference(local_operand1); + } + + local_operand1 = temp_operand1; + + /* + * Both operands are now known to be the same object type + * (Both are Integer, String, or Buffer), and we can now perform + * the concatenation. + * + * There are three cases to handle, as per the ACPI spec: + * + * 1) Two Integers concatenated to produce a new Buffer + * 2) Two Strings concatenated to produce a new String + * 3) Two Buffers concatenated to produce a new Buffer + */ + switch (operand0_type) { + case ACPI_TYPE_INTEGER: + + /* Result of two Integers is a Buffer */ + /* Need enough buffer space for two integers */ + + return_desc = acpi_ut_create_buffer_object((acpi_size) + ACPI_MUL_2 + (acpi_gbl_integer_byte_width)); + if (!return_desc) { + status = AE_NO_MEMORY; + goto cleanup; + } + + buffer = (char *)return_desc->buffer.pointer; + + /* Copy the first integer, LSB first */ + + memcpy(buffer, &operand0->integer.value, + acpi_gbl_integer_byte_width); + + /* Copy the second integer (LSB first) after the first */ + + memcpy(buffer + acpi_gbl_integer_byte_width, + &local_operand1->integer.value, + acpi_gbl_integer_byte_width); + break; + + case ACPI_TYPE_STRING: + + /* Result of two Strings is a String */ + + return_desc = acpi_ut_create_string_object(((acpi_size) + local_operand0-> + string.length + + local_operand1-> + string.length)); + if (!return_desc) { + status = AE_NO_MEMORY; + goto cleanup; + } + + buffer = return_desc->string.pointer; + + /* Concatenate the strings */ + + strcpy(buffer, local_operand0->string.pointer); + strcat(buffer, local_operand1->string.pointer); + break; + + case ACPI_TYPE_BUFFER: + + /* Result of two Buffers is a Buffer */ + + return_desc = acpi_ut_create_buffer_object(((acpi_size) + operand0->buffer. + length + + local_operand1-> + buffer.length)); + if (!return_desc) { + status = AE_NO_MEMORY; + goto cleanup; + } + + buffer = (char *)return_desc->buffer.pointer; + + /* Concatenate the buffers */ + + memcpy(buffer, operand0->buffer.pointer, + operand0->buffer.length); + memcpy(buffer + operand0->buffer.length, + local_operand1->buffer.pointer, + local_operand1->buffer.length); + break; + + default: + + /* Invalid object type, should not happen here */ + + ACPI_ERROR((AE_INFO, "Invalid object type: 0x%X", + operand0->common.type)); + status = AE_AML_INTERNAL; + goto cleanup; + } + + *actual_return_desc = return_desc; + +cleanup: + if (local_operand0 != operand0) { + acpi_ut_remove_reference(local_operand0); + } + + if (local_operand1 != operand1) { + acpi_ut_remove_reference(local_operand1); + } + + return_ACPI_STATUS(status); +} + +/******************************************************************************* + * + * FUNCTION: acpi_ex_convert_to_object_type_string + * + * PARAMETERS: obj_desc - Object to be converted + * return_desc - Where to place the return object + * + * RETURN: Status + * + * DESCRIPTION: Convert an object of arbitrary type to a string object that + * contains the namestring for the object. Used for the + * concatenate operator. + * + ******************************************************************************/ + +static acpi_status +acpi_ex_convert_to_object_type_string(union acpi_operand_object *obj_desc, + union acpi_operand_object **result_desc) +{ + union acpi_operand_object *return_desc; + const char *type_string; + + type_string = acpi_ut_get_type_name(obj_desc->common.type); + + return_desc = acpi_ut_create_string_object(((acpi_size)strlen(type_string) + 9)); /* 9 For "[ Object]" */ + if (!return_desc) { + return (AE_NO_MEMORY); + } + + strcpy(return_desc->string.pointer, "["); + strcat(return_desc->string.pointer, type_string); + strcat(return_desc->string.pointer, " Object]"); + + *result_desc = return_desc; + return (AE_OK); +} + +/******************************************************************************* + * + * FUNCTION: acpi_ex_concat_template + * + * PARAMETERS: operand0 - First source object + * operand1 - Second source object + * actual_return_desc - Where to place the return object + * walk_state - Current walk state + * + * RETURN: Status + * + * DESCRIPTION: Concatenate two resource templates + * + ******************************************************************************/ + +acpi_status +acpi_ex_concat_template(union acpi_operand_object *operand0, + union acpi_operand_object *operand1, + union acpi_operand_object **actual_return_desc, + struct acpi_walk_state *walk_state) +{ + acpi_status status; + union acpi_operand_object *return_desc; + u8 *new_buf; + u8 *end_tag; + acpi_size length0; + acpi_size length1; + acpi_size new_length; + + ACPI_FUNCTION_TRACE(ex_concat_template); + + /* + * Find the end_tag descriptor in each resource template. + * Note1: returned pointers point TO the end_tag, not past it. + * Note2: zero-length buffers are allowed; treated like one end_tag + */ + + /* Get the length of the first resource template */ + + status = acpi_ut_get_resource_end_tag(operand0, &end_tag); + if (ACPI_FAILURE(status)) { + return_ACPI_STATUS(status); + } + + length0 = ACPI_PTR_DIFF(end_tag, operand0->buffer.pointer); + + /* Get the length of the second resource template */ + + status = acpi_ut_get_resource_end_tag(operand1, &end_tag); + if (ACPI_FAILURE(status)) { + return_ACPI_STATUS(status); + } + + length1 = ACPI_PTR_DIFF(end_tag, operand1->buffer.pointer); + + /* Combine both lengths, minimum size will be 2 for end_tag */ + + new_length = length0 + length1 + sizeof(struct aml_resource_end_tag); + + /* Create a new buffer object for the result (with one end_tag) */ + + return_desc = acpi_ut_create_buffer_object(new_length); + if (!return_desc) { + return_ACPI_STATUS(AE_NO_MEMORY); + } + + /* + * Copy the templates to the new buffer, 0 first, then 1 follows. One + * end_tag descriptor is copied from Operand1. + */ + new_buf = return_desc->buffer.pointer; + memcpy(new_buf, operand0->buffer.pointer, length0); + memcpy(new_buf + length0, operand1->buffer.pointer, length1); + + /* Insert end_tag and set the checksum to zero, means "ignore checksum" */ + + new_buf[new_length - 1] = 0; + new_buf[new_length - 2] = ACPI_RESOURCE_NAME_END_TAG | 1; + + /* Return the completed resource template */ + + *actual_return_desc = return_desc; + return_ACPI_STATUS(AE_OK); +} diff --git a/drivers/acpi/acpica/exconfig.c b/drivers/acpi/acpica/exconfig.c index f74161301037..a1d177d58254 100644 --- a/drivers/acpi/acpica/exconfig.c +++ b/drivers/acpi/acpica/exconfig.c @@ -118,7 +118,9 @@ acpi_ex_add_table(u32 table_index, /* Execute any module-level code that was found in the table */ acpi_ex_exit_interpreter(); - acpi_ns_exec_module_code_list(); + if (acpi_gbl_group_module_level_code) { + acpi_ns_exec_module_code_list(); + } acpi_ex_enter_interpreter(); /* diff --git a/drivers/acpi/acpica/exconvrt.c b/drivers/acpi/acpica/exconvrt.c index 0b9f2c13b98a..b7e9b3d803e1 100644 --- a/drivers/acpi/acpica/exconvrt.c +++ b/drivers/acpi/acpica/exconvrt.c @@ -124,7 +124,9 @@ acpi_ex_convert_to_integer(union acpi_operand_object *obj_desc, * of ACPI 3.0) is that the to_integer() operator allows both decimal * and hexadecimal strings (hex prefixed with "0x"). */ - status = acpi_ut_strtoul64((char *)pointer, flags, &result); + status = acpi_ut_strtoul64((char *)pointer, flags, + acpi_gbl_integer_byte_width, + &result); if (ACPI_FAILURE(status)) { return_ACPI_STATUS(status); } @@ -439,7 +441,7 @@ acpi_ex_convert_to_string(union acpi_operand_object * obj_desc, * Need enough space for one ASCII integer (plus null terminator) */ return_desc = - acpi_ut_create_string_object((acpi_size) string_length); + acpi_ut_create_string_object((acpi_size)string_length); if (!return_desc) { return_ACPI_STATUS(AE_NO_MEMORY); } @@ -518,7 +520,7 @@ acpi_ex_convert_to_string(union acpi_operand_object * obj_desc, } return_desc = - acpi_ut_create_string_object((acpi_size) string_length); + acpi_ut_create_string_object((acpi_size)string_length); if (!return_desc) { return_ACPI_STATUS(AE_NO_MEMORY); } diff --git a/drivers/acpi/acpica/excreate.c b/drivers/acpi/acpica/excreate.c index bea9612e4720..613ba6eb08bb 100644 --- a/drivers/acpi/acpica/excreate.c +++ b/drivers/acpi/acpica/excreate.c @@ -394,7 +394,7 @@ acpi_status acpi_ex_create_processor(struct acpi_walk_state *walk_state) obj_desc->processor.proc_id = (u8) operand[1]->integer.value; obj_desc->processor.length = (u8) operand[3]->integer.value; obj_desc->processor.address = - (acpi_io_address) operand[2]->integer.value; + (acpi_io_address)operand[2]->integer.value; /* Install the processor object in the parent Node */ diff --git a/drivers/acpi/acpica/exdump.c b/drivers/acpi/acpica/exdump.c index ee30974b245a..fce6b2e10209 100644 --- a/drivers/acpi/acpica/exdump.c +++ b/drivers/acpi/acpica/exdump.c @@ -55,9 +55,9 @@ ACPI_MODULE_NAME("exdump") */ #if defined(ACPI_DEBUG_OUTPUT) || defined(ACPI_DEBUGGER) /* Local prototypes */ -static void acpi_ex_out_string(char *title, char *value); +static void acpi_ex_out_string(const char *title, const char *value); -static void acpi_ex_out_pointer(char *title, void *value); +static void acpi_ex_out_pointer(const char *title, const void *value); static void acpi_ex_dump_object(union acpi_operand_object *obj_desc, @@ -365,8 +365,7 @@ acpi_ex_dump_object(union acpi_operand_object *obj_desc, struct acpi_exdump_info *info) { u8 *target; - char *name; - const char *reference_name; + const char *name; u8 count; union acpi_operand_object *start; union acpi_operand_object *data = NULL; @@ -459,9 +458,9 @@ acpi_ex_dump_object(union acpi_operand_object *obj_desc, case ACPI_EXD_REFERENCE: - reference_name = acpi_ut_get_reference_name(obj_desc); acpi_ex_out_string("Class Name", - ACPI_CAST_PTR(char, reference_name)); + acpi_ut_get_reference_name + (obj_desc)); acpi_ex_dump_reference_obj(obj_desc); break; @@ -934,12 +933,12 @@ acpi_ex_dump_operands(union acpi_operand_object **operands, * ******************************************************************************/ -static void acpi_ex_out_string(char *title, char *value) +static void acpi_ex_out_string(const char *title, const char *value) { acpi_os_printf("%20s : %s\n", title, value); } -static void acpi_ex_out_pointer(char *title, void *value) +static void acpi_ex_out_pointer(const char *title, const void *value) { acpi_os_printf("%20s : %p\n", title, value); } diff --git a/drivers/acpi/acpica/exfield.c b/drivers/acpi/acpica/exfield.c index d5d8020a8523..d7d3ee36338b 100644 --- a/drivers/acpi/acpica/exfield.c +++ b/drivers/acpi/acpica/exfield.c @@ -126,7 +126,7 @@ acpi_ex_get_serial_access_length(u32 accessor_type, u32 access_length) ******************************************************************************/ acpi_status -acpi_ex_read_data_from_field(struct acpi_walk_state * walk_state, +acpi_ex_read_data_from_field(struct acpi_walk_state *walk_state, union acpi_operand_object *obj_desc, union acpi_operand_object **ret_buffer_desc) { @@ -233,7 +233,7 @@ acpi_ex_read_data_from_field(struct acpi_walk_state * walk_state, * Note: Field.length is in bits. */ length = - (acpi_size) ACPI_ROUND_BITS_UP_TO_BYTES(obj_desc->field.bit_length); + (acpi_size)ACPI_ROUND_BITS_UP_TO_BYTES(obj_desc->field.bit_length); if (length > acpi_gbl_integer_byte_width) { diff --git a/drivers/acpi/acpica/exfldio.c b/drivers/acpi/acpica/exfldio.c index f0c5ed0b7db8..ee76d299b3d0 100644 --- a/drivers/acpi/acpica/exfldio.c +++ b/drivers/acpi/acpica/exfldio.c @@ -164,7 +164,7 @@ acpi_ex_setup_region(union acpi_operand_object *obj_desc, if (ACPI_ROUND_UP(rgn_desc->region.length, obj_desc->common_field. access_byte_width) >= - ((acpi_size) obj_desc->common_field. + ((acpi_size)obj_desc->common_field. base_byte_offset + obj_desc->common_field.access_byte_width + field_datum_byte_offset)) { @@ -897,17 +897,9 @@ acpi_ex_insert_into_field(union acpi_operand_object *obj_desc, access_bit_width = ACPI_MUL_8(obj_desc->common_field.access_byte_width); - /* - * Create the bitmasks used for bit insertion. - * Note: This if/else is used to bypass compiler differences with the - * shift operator - */ - if (access_bit_width == ACPI_INTEGER_BIT_SIZE) { - width_mask = ACPI_UINT64_MAX; - } else { - width_mask = ACPI_MASK_BITS_ABOVE(access_bit_width); - } + /* Create the bitmasks used for bit insertion */ + width_mask = ACPI_MASK_BITS_ABOVE_64(access_bit_width); mask = width_mask & ACPI_MASK_BITS_BELOW(obj_desc->common_field.start_field_bit_offset); diff --git a/drivers/acpi/acpica/exmisc.c b/drivers/acpi/acpica/exmisc.c index db30ae43ddd8..4f7e667624b3 100644 --- a/drivers/acpi/acpica/exmisc.c +++ b/drivers/acpi/acpica/exmisc.c @@ -45,7 +45,6 @@ #include "accommon.h" #include "acinterp.h" #include "amlcode.h" -#include "amlresrc.h" #define _COMPONENT ACPI_EXECUTER ACPI_MODULE_NAME("exmisc") @@ -140,295 +139,6 @@ acpi_ex_get_object_reference(union acpi_operand_object *obj_desc, /******************************************************************************* * - * FUNCTION: acpi_ex_concat_template - * - * PARAMETERS: operand0 - First source object - * operand1 - Second source object - * actual_return_desc - Where to place the return object - * walk_state - Current walk state - * - * RETURN: Status - * - * DESCRIPTION: Concatenate two resource templates - * - ******************************************************************************/ - -acpi_status -acpi_ex_concat_template(union acpi_operand_object *operand0, - union acpi_operand_object *operand1, - union acpi_operand_object **actual_return_desc, - struct acpi_walk_state *walk_state) -{ - acpi_status status; - union acpi_operand_object *return_desc; - u8 *new_buf; - u8 *end_tag; - acpi_size length0; - acpi_size length1; - acpi_size new_length; - - ACPI_FUNCTION_TRACE(ex_concat_template); - - /* - * Find the end_tag descriptor in each resource template. - * Note1: returned pointers point TO the end_tag, not past it. - * Note2: zero-length buffers are allowed; treated like one end_tag - */ - - /* Get the length of the first resource template */ - - status = acpi_ut_get_resource_end_tag(operand0, &end_tag); - if (ACPI_FAILURE(status)) { - return_ACPI_STATUS(status); - } - - length0 = ACPI_PTR_DIFF(end_tag, operand0->buffer.pointer); - - /* Get the length of the second resource template */ - - status = acpi_ut_get_resource_end_tag(operand1, &end_tag); - if (ACPI_FAILURE(status)) { - return_ACPI_STATUS(status); - } - - length1 = ACPI_PTR_DIFF(end_tag, operand1->buffer.pointer); - - /* Combine both lengths, minimum size will be 2 for end_tag */ - - new_length = length0 + length1 + sizeof(struct aml_resource_end_tag); - - /* Create a new buffer object for the result (with one end_tag) */ - - return_desc = acpi_ut_create_buffer_object(new_length); - if (!return_desc) { - return_ACPI_STATUS(AE_NO_MEMORY); - } - - /* - * Copy the templates to the new buffer, 0 first, then 1 follows. One - * end_tag descriptor is copied from Operand1. - */ - new_buf = return_desc->buffer.pointer; - memcpy(new_buf, operand0->buffer.pointer, length0); - memcpy(new_buf + length0, operand1->buffer.pointer, length1); - - /* Insert end_tag and set the checksum to zero, means "ignore checksum" */ - - new_buf[new_length - 1] = 0; - new_buf[new_length - 2] = ACPI_RESOURCE_NAME_END_TAG | 1; - - /* Return the completed resource template */ - - *actual_return_desc = return_desc; - return_ACPI_STATUS(AE_OK); -} - -/******************************************************************************* - * - * FUNCTION: acpi_ex_do_concatenate - * - * PARAMETERS: operand0 - First source object - * operand1 - Second source object - * actual_return_desc - Where to place the return object - * walk_state - Current walk state - * - * RETURN: Status - * - * DESCRIPTION: Concatenate two objects OF THE SAME TYPE. - * - ******************************************************************************/ - -acpi_status -acpi_ex_do_concatenate(union acpi_operand_object *operand0, - union acpi_operand_object *operand1, - union acpi_operand_object **actual_return_desc, - struct acpi_walk_state *walk_state) -{ - union acpi_operand_object *local_operand1 = operand1; - union acpi_operand_object *return_desc; - char *new_buf; - const char *type_string; - acpi_status status; - - ACPI_FUNCTION_TRACE(ex_do_concatenate); - - /* - * Convert the second operand if necessary. The first operand - * determines the type of the second operand, (See the Data Types - * section of the ACPI specification.) Both object types are - * guaranteed to be either Integer/String/Buffer by the operand - * resolution mechanism. - */ - switch (operand0->common.type) { - case ACPI_TYPE_INTEGER: - - status = - acpi_ex_convert_to_integer(operand1, &local_operand1, 16); - break; - - case ACPI_TYPE_STRING: - /* - * Per the ACPI spec, Concatenate only supports int/str/buf. - * However, we support all objects here as an extension. - * This improves the usefulness of the Printf() macro. - * 12/2015. - */ - switch (operand1->common.type) { - case ACPI_TYPE_INTEGER: - case ACPI_TYPE_STRING: - case ACPI_TYPE_BUFFER: - - status = - acpi_ex_convert_to_string(operand1, &local_operand1, - ACPI_IMPLICIT_CONVERT_HEX); - break; - - default: - /* - * Just emit a string containing the object type. - */ - type_string = - acpi_ut_get_type_name(operand1->common.type); - - local_operand1 = acpi_ut_create_string_object(((acpi_size) strlen(type_string) + 9)); /* 9 For "[Object]" */ - if (!local_operand1) { - status = AE_NO_MEMORY; - goto cleanup; - } - - strcpy(local_operand1->string.pointer, "["); - strcat(local_operand1->string.pointer, type_string); - strcat(local_operand1->string.pointer, " Object]"); - status = AE_OK; - break; - } - break; - - case ACPI_TYPE_BUFFER: - - status = acpi_ex_convert_to_buffer(operand1, &local_operand1); - break; - - default: - - ACPI_ERROR((AE_INFO, "Invalid object type: 0x%X", - operand0->common.type)); - status = AE_AML_INTERNAL; - } - - if (ACPI_FAILURE(status)) { - goto cleanup; - } - - /* - * Both operands are now known to be the same object type - * (Both are Integer, String, or Buffer), and we can now perform the - * concatenation. - */ - - /* - * There are three cases to handle: - * - * 1) Two Integers concatenated to produce a new Buffer - * 2) Two Strings concatenated to produce a new String - * 3) Two Buffers concatenated to produce a new Buffer - */ - switch (operand0->common.type) { - case ACPI_TYPE_INTEGER: - - /* Result of two Integers is a Buffer */ - /* Need enough buffer space for two integers */ - - return_desc = acpi_ut_create_buffer_object((acpi_size) - ACPI_MUL_2 - (acpi_gbl_integer_byte_width)); - if (!return_desc) { - status = AE_NO_MEMORY; - goto cleanup; - } - - new_buf = (char *)return_desc->buffer.pointer; - - /* Copy the first integer, LSB first */ - - memcpy(new_buf, &operand0->integer.value, - acpi_gbl_integer_byte_width); - - /* Copy the second integer (LSB first) after the first */ - - memcpy(new_buf + acpi_gbl_integer_byte_width, - &local_operand1->integer.value, - acpi_gbl_integer_byte_width); - break; - - case ACPI_TYPE_STRING: - - /* Result of two Strings is a String */ - - return_desc = acpi_ut_create_string_object(((acpi_size) - operand0->string. - length + - local_operand1-> - string.length)); - if (!return_desc) { - status = AE_NO_MEMORY; - goto cleanup; - } - - new_buf = return_desc->string.pointer; - - /* Concatenate the strings */ - - strcpy(new_buf, operand0->string.pointer); - strcat(new_buf, local_operand1->string.pointer); - break; - - case ACPI_TYPE_BUFFER: - - /* Result of two Buffers is a Buffer */ - - return_desc = acpi_ut_create_buffer_object(((acpi_size) - operand0->buffer. - length + - local_operand1-> - buffer.length)); - if (!return_desc) { - status = AE_NO_MEMORY; - goto cleanup; - } - - new_buf = (char *)return_desc->buffer.pointer; - - /* Concatenate the buffers */ - - memcpy(new_buf, operand0->buffer.pointer, - operand0->buffer.length); - memcpy(new_buf + operand0->buffer.length, - local_operand1->buffer.pointer, - local_operand1->buffer.length); - break; - - default: - - /* Invalid object type, should not happen here */ - - ACPI_ERROR((AE_INFO, "Invalid object type: 0x%X", - operand0->common.type)); - status = AE_AML_INTERNAL; - goto cleanup; - } - - *actual_return_desc = return_desc; - -cleanup: - if (local_operand1 != operand1) { - acpi_ut_remove_reference(local_operand1); - } - return_ACPI_STATUS(status); -} - -/******************************************************************************* - * * FUNCTION: acpi_ex_do_math_op * * PARAMETERS: opcode - AML opcode diff --git a/drivers/acpi/acpica/exnames.c b/drivers/acpi/acpica/exnames.c index 27c11ab5eb04..3d6af93fe561 100644 --- a/drivers/acpi/acpica/exnames.c +++ b/drivers/acpi/acpica/exnames.c @@ -178,7 +178,7 @@ static acpi_status acpi_ex_name_segment(u8 ** in_aml_address, char *name_string) for (index = 0; (index < ACPI_NAME_SIZE) - && (acpi_ut_valid_acpi_char(*aml_address, 0)); index++) { + && (acpi_ut_valid_name_char(*aml_address, 0)); index++) { char_buf[index] = *aml_address++; ACPI_DEBUG_PRINT((ACPI_DB_LOAD, "%c\n", char_buf[index])); } diff --git a/drivers/acpi/acpica/exoparg3.c b/drivers/acpi/acpica/exoparg3.c index 5aa21c4eda1d..69e4e269ad2f 100644 --- a/drivers/acpi/acpica/exoparg3.c +++ b/drivers/acpi/acpica/exoparg3.c @@ -184,7 +184,7 @@ acpi_status acpi_ex_opcode_3A_1T_1R(struct acpi_walk_state *walk_state) /* Get the Integer values from the objects */ index = operand[1]->integer.value; - length = (acpi_size) operand[2]->integer.value; + length = (acpi_size)operand[2]->integer.value; /* * If the index is beyond the length of the String/Buffer, or if the @@ -198,8 +198,8 @@ acpi_status acpi_ex_opcode_3A_1T_1R(struct acpi_walk_state *walk_state) else if ((index + length) > operand[0]->string.length) { length = - (acpi_size) operand[0]->string.length - - (acpi_size) index; + (acpi_size)operand[0]->string.length - + (acpi_size)index; } /* Strings always have a sub-pointer, not so for buffers */ @@ -209,7 +209,7 @@ acpi_status acpi_ex_opcode_3A_1T_1R(struct acpi_walk_state *walk_state) /* Always allocate a new buffer for the String */ - buffer = ACPI_ALLOCATE_ZEROED((acpi_size) length + 1); + buffer = ACPI_ALLOCATE_ZEROED((acpi_size)length + 1); if (!buffer) { status = AE_NO_MEMORY; goto cleanup; diff --git a/drivers/acpi/acpica/exoparg6.c b/drivers/acpi/acpica/exoparg6.c index e2b63483857f..786d53b0bb37 100644 --- a/drivers/acpi/acpica/exoparg6.c +++ b/drivers/acpi/acpica/exoparg6.c @@ -207,7 +207,7 @@ acpi_ex_do_match(u32 match_op, * ******************************************************************************/ -acpi_status acpi_ex_opcode_6A_0T_1R(struct acpi_walk_state * walk_state) +acpi_status acpi_ex_opcode_6A_0T_1R(struct acpi_walk_state *walk_state) { union acpi_operand_object **operand = &walk_state->operands[0]; union acpi_operand_object *return_desc = NULL; diff --git a/drivers/acpi/acpica/exregion.c b/drivers/acpi/acpica/exregion.c index 076074daf2b6..31b381cae94d 100644 --- a/drivers/acpi/acpica/exregion.c +++ b/drivers/acpi/acpica/exregion.c @@ -325,15 +325,15 @@ acpi_ex_system_io_space_handler(u32 function, switch (function) { case ACPI_READ: - status = acpi_hw_read_port((acpi_io_address) address, + status = acpi_hw_read_port((acpi_io_address)address, &value32, bit_width); *value = value32; break; case ACPI_WRITE: - status = acpi_hw_write_port((acpi_io_address) address, - (u32) * value, bit_width); + status = acpi_hw_write_port((acpi_io_address)address, + (u32)*value, bit_width); break; default: diff --git a/drivers/acpi/acpica/exresnte.c b/drivers/acpi/acpica/exresnte.c index c1e8bfb0f7f4..a183cb740d24 100644 --- a/drivers/acpi/acpica/exresnte.c +++ b/drivers/acpi/acpica/exresnte.c @@ -93,7 +93,7 @@ acpi_ex_resolve_node_to_value(struct acpi_namespace_node **object_ptr, */ node = *object_ptr; source_desc = acpi_ns_get_attached_object(node); - entry_type = acpi_ns_get_type((acpi_handle) node); + entry_type = acpi_ns_get_type((acpi_handle)node); ACPI_DEBUG_PRINT((ACPI_DB_EXEC, "Entry=%p SourceDesc=%p [%s]\n", node, source_desc, @@ -106,7 +106,7 @@ acpi_ex_resolve_node_to_value(struct acpi_namespace_node **object_ptr, node = ACPI_CAST_PTR(struct acpi_namespace_node, node->object); source_desc = acpi_ns_get_attached_object(node); - entry_type = acpi_ns_get_type((acpi_handle) node); + entry_type = acpi_ns_get_type((acpi_handle)node); *object_ptr = node; } diff --git a/drivers/acpi/acpica/exresolv.c b/drivers/acpi/acpica/exresolv.c index fedacf13dc36..e1d3878be2c6 100644 --- a/drivers/acpi/acpica/exresolv.c +++ b/drivers/acpi/acpica/exresolv.c @@ -334,7 +334,7 @@ acpi_ex_resolve_object_to_value(union acpi_operand_object **stack_ptr, acpi_status acpi_ex_resolve_multiple(struct acpi_walk_state *walk_state, union acpi_operand_object *operand, - acpi_object_type * return_type, + acpi_object_type *return_type, union acpi_operand_object **return_desc) { union acpi_operand_object *obj_desc = ACPI_CAST_PTR(void, operand); diff --git a/drivers/acpi/acpica/exresop.c b/drivers/acpi/acpica/exresop.c index cc2c26c46a6d..27b41fd7542d 100644 --- a/drivers/acpi/acpica/exresop.c +++ b/drivers/acpi/acpica/exresop.c @@ -131,8 +131,8 @@ acpi_ex_check_object_type(acpi_object_type type_needed, acpi_status acpi_ex_resolve_operands(u16 opcode, - union acpi_operand_object ** stack_ptr, - struct acpi_walk_state * walk_state) + union acpi_operand_object **stack_ptr, + struct acpi_walk_state *walk_state) { union acpi_operand_object *obj_desc; acpi_status status = AE_OK; diff --git a/drivers/acpi/acpica/exstorob.c b/drivers/acpi/acpica/exstorob.c index 28b724827f0f..1dab82746d06 100644 --- a/drivers/acpi/acpica/exstorob.c +++ b/drivers/acpi/acpica/exstorob.c @@ -188,7 +188,7 @@ acpi_ex_store_string_to_string(union acpi_operand_object *source_desc, * Clear old string and copy in the new one */ memset(target_desc->string.pointer, 0, - (acpi_size) target_desc->string.length + 1); + (acpi_size)target_desc->string.length + 1); memcpy(target_desc->string.pointer, buffer, length); } else { /* @@ -204,7 +204,7 @@ acpi_ex_store_string_to_string(union acpi_operand_object *source_desc, } target_desc->string.pointer = - ACPI_ALLOCATE_ZEROED((acpi_size) length + 1); + ACPI_ALLOCATE_ZEROED((acpi_size)length + 1); if (!target_desc->string.pointer) { return_ACPI_STATUS(AE_NO_MEMORY); diff --git a/drivers/acpi/acpica/exutils.c b/drivers/acpi/acpica/exutils.c index 4d44bc1cb2ca..425f13372e68 100644 --- a/drivers/acpi/acpica/exutils.c +++ b/drivers/acpi/acpica/exutils.c @@ -301,8 +301,8 @@ static u32 acpi_ex_digits_needed(u64 value, u32 base) * * FUNCTION: acpi_ex_eisa_id_to_string * - * PARAMETERS: compressed_id - EISAID to be converted - * out_string - Where to put the converted string (8 bytes) + * PARAMETERS: out_string - Where to put the converted string (8 bytes) + * compressed_id - EISAID to be converted * * RETURN: None * @@ -354,7 +354,7 @@ void acpi_ex_eisa_id_to_string(char *out_string, u64 compressed_id) * possible 64-bit integer. * value - Value to be converted * - * RETURN: None, string + * RETURN: Converted string in out_string * * DESCRIPTION: Convert a 64-bit integer to decimal string representation. * Assumes string buffer is large enough to hold the string. The @@ -384,9 +384,9 @@ void acpi_ex_integer_to_string(char *out_string, u64 value) * FUNCTION: acpi_ex_pci_cls_to_string * * PARAMETERS: out_string - Where to put the converted string (7 bytes) - * PARAMETERS: class_code - PCI class code to be converted (3 bytes) + * class_code - PCI class code to be converted (3 bytes) * - * RETURN: None + * RETURN: Converted string in out_string * * DESCRIPTION: Convert 3-bytes PCI class code to string representation. * Return buffer must be large enough to hold the string. The @@ -417,7 +417,7 @@ void acpi_ex_pci_cls_to_string(char *out_string, u8 class_code[3]) * * PARAMETERS: space_id - ID to be validated * - * RETURN: TRUE if valid/supported ID. + * RETURN: TRUE if space_id is a valid/supported ID. * * DESCRIPTION: Validate an operation region space_ID. * diff --git a/drivers/acpi/acpica/hwgpe.c b/drivers/acpi/acpica/hwgpe.c index 1c4f4518611a..bdecd5e76e87 100644 --- a/drivers/acpi/acpica/hwgpe.c +++ b/drivers/acpi/acpica/hwgpe.c @@ -166,7 +166,7 @@ acpi_hw_low_set_gpe(struct acpi_gpe_event_info *gpe_event_info, u32 action) * ******************************************************************************/ -acpi_status acpi_hw_clear_gpe(struct acpi_gpe_event_info * gpe_event_info) +acpi_status acpi_hw_clear_gpe(struct acpi_gpe_event_info *gpe_event_info) { struct acpi_gpe_register_info *gpe_register_info; acpi_status status; @@ -206,7 +206,7 @@ acpi_status acpi_hw_clear_gpe(struct acpi_gpe_event_info * gpe_event_info) ******************************************************************************/ acpi_status -acpi_hw_get_gpe_status(struct acpi_gpe_event_info * gpe_event_info, +acpi_hw_get_gpe_status(struct acpi_gpe_event_info *gpe_event_info, acpi_event_status *event_status) { u32 in_byte; @@ -391,7 +391,7 @@ acpi_hw_clear_gpe_block(struct acpi_gpe_xrupt_info *gpe_xrupt_info, acpi_status acpi_hw_enable_runtime_gpe_block(struct acpi_gpe_xrupt_info *gpe_xrupt_info, - struct acpi_gpe_block_info * gpe_block, + struct acpi_gpe_block_info *gpe_block, void *context) { u32 i; diff --git a/drivers/acpi/acpica/hwregs.c b/drivers/acpi/acpica/hwregs.c index 5ba0498412fd..0f18dbc9a37f 100644 --- a/drivers/acpi/acpica/hwregs.c +++ b/drivers/acpi/acpica/hwregs.c @@ -51,6 +51,10 @@ ACPI_MODULE_NAME("hwregs") #if (!ACPI_REDUCED_HARDWARE) /* Local Prototypes */ +static u8 +acpi_hw_get_access_bit_width(struct acpi_generic_address *reg, + u8 max_bit_width); + static acpi_status acpi_hw_read_multiple(u32 *value, struct acpi_generic_address *register_a, @@ -65,6 +69,48 @@ acpi_hw_write_multiple(u32 value, /****************************************************************************** * + * FUNCTION: acpi_hw_get_access_bit_width + * + * PARAMETERS: reg - GAS register structure + * max_bit_width - Max bit_width supported (32 or 64) + * + * RETURN: Status + * + * DESCRIPTION: Obtain optimal access bit width + * + ******************************************************************************/ + +static u8 +acpi_hw_get_access_bit_width(struct acpi_generic_address *reg, u8 max_bit_width) +{ + u64 address; + + if (!reg->access_width) { + /* + * Detect old register descriptors where only the bit_width field + * makes senses. The target address is copied to handle possible + * alignment issues. + */ + ACPI_MOVE_64_TO_64(&address, ®->address); + if (!reg->bit_offset && reg->bit_width && + ACPI_IS_POWER_OF_TWO(reg->bit_width) && + ACPI_IS_ALIGNED(reg->bit_width, 8) && + ACPI_IS_ALIGNED(address, reg->bit_width)) { + return (reg->bit_width); + } else { + if (reg->space_id == ACPI_ADR_SPACE_SYSTEM_IO) { + return (32); + } else { + return (max_bit_width); + } + } + } else { + return (1 << (reg->access_width + 2)); + } +} + +/****************************************************************************** + * * FUNCTION: acpi_hw_validate_register * * PARAMETERS: reg - GAS register structure @@ -83,6 +129,8 @@ acpi_status acpi_hw_validate_register(struct acpi_generic_address *reg, u8 max_bit_width, u64 *address) { + u8 bit_width; + u8 access_width; /* Must have a valid pointer to a GAS structure */ @@ -109,23 +157,25 @@ acpi_hw_validate_register(struct acpi_generic_address *reg, return (AE_SUPPORT); } - /* Validate the bit_width */ + /* Validate the access_width */ - if ((reg->bit_width != 8) && - (reg->bit_width != 16) && - (reg->bit_width != 32) && (reg->bit_width != max_bit_width)) { + if (reg->access_width > 4) { ACPI_ERROR((AE_INFO, - "Unsupported register bit width: 0x%X", - reg->bit_width)); + "Unsupported register access width: 0x%X", + reg->access_width)); return (AE_SUPPORT); } - /* Validate the bit_offset. Just a warning for now. */ + /* Validate the bit_width, convert access_width into number of bits */ - if (reg->bit_offset != 0) { + access_width = acpi_hw_get_access_bit_width(reg, max_bit_width); + bit_width = + ACPI_ROUND_UP(reg->bit_offset + reg->bit_width, access_width); + if (max_bit_width < bit_width) { ACPI_WARNING((AE_INFO, - "Unsupported register bit offset: 0x%X", - reg->bit_offset)); + "Requested bit width 0x%X is smaller than register bit width 0x%X", + max_bit_width, bit_width)); + return (AE_SUPPORT); } return (AE_OK); @@ -145,17 +195,19 @@ acpi_hw_validate_register(struct acpi_generic_address *reg, * 64-bit values is not needed. * * LIMITATIONS: <These limitations also apply to acpi_hw_write> - * bit_width must be exactly 8, 16, or 32. * space_ID must be system_memory or system_IO. - * bit_offset and access_width are currently ignored, as there has - * not been a need to implement these. * ******************************************************************************/ acpi_status acpi_hw_read(u32 *value, struct acpi_generic_address *reg) { u64 address; + u8 access_width; + u32 bit_width; + u8 bit_offset; u64 value64; + u32 value32; + u8 index; acpi_status status; ACPI_FUNCTION_NAME(hw_read); @@ -167,28 +219,75 @@ acpi_status acpi_hw_read(u32 *value, struct acpi_generic_address *reg) return (status); } - /* Initialize entire 32-bit return value to zero */ - + /* + * Initialize entire 32-bit return value to zero, convert access_width + * into number of bits based + */ *value = 0; + access_width = acpi_hw_get_access_bit_width(reg, 32); + bit_width = reg->bit_offset + reg->bit_width; + bit_offset = reg->bit_offset; /* * Two address spaces supported: Memory or IO. PCI_Config is * not supported here because the GAS structure is insufficient */ - if (reg->space_id == ACPI_ADR_SPACE_SYSTEM_MEMORY) { - status = acpi_os_read_memory((acpi_physical_address) - address, &value64, reg->bit_width); + index = 0; + while (bit_width) { + if (bit_offset >= access_width) { + value32 = 0; + bit_offset -= access_width; + } else { + if (reg->space_id == ACPI_ADR_SPACE_SYSTEM_MEMORY) { + status = + acpi_os_read_memory((acpi_physical_address) + address + + index * + ACPI_DIV_8 + (access_width), + &value64, access_width); + value32 = (u32)value64; + } else { /* ACPI_ADR_SPACE_SYSTEM_IO, validated earlier */ + + status = acpi_hw_read_port((acpi_io_address) + address + + index * + ACPI_DIV_8 + (access_width), + &value32, + access_width); + } + + /* + * Use offset style bit masks because: + * bit_offset < access_width/bit_width < access_width, and + * access_width is ensured to be less than 32-bits by + * acpi_hw_validate_register(). + */ + if (bit_offset) { + value32 &= ACPI_MASK_BITS_BELOW(bit_offset); + bit_offset = 0; + } + if (bit_width < access_width) { + value32 &= ACPI_MASK_BITS_ABOVE(bit_width); + } + } - *value = (u32)value64; - } else { /* ACPI_ADR_SPACE_SYSTEM_IO, validated earlier */ + /* + * Use offset style bit writes because "Index * AccessWidth" is + * ensured to be less than 32-bits by acpi_hw_validate_register(). + */ + ACPI_SET_BITS(value, index * access_width, + ACPI_MASK_BITS_ABOVE_32(access_width), value32); - status = acpi_hw_read_port((acpi_io_address) - address, value, reg->bit_width); + bit_width -= + bit_width > access_width ? access_width : bit_width; + index++; } ACPI_DEBUG_PRINT((ACPI_DB_IO, "Read: %8.8X width %2d from %8.8X%8.8X (%s)\n", - *value, reg->bit_width, ACPI_FORMAT_UINT64(address), + *value, access_width, ACPI_FORMAT_UINT64(address), acpi_ut_get_region_name(reg->space_id))); return (status); @@ -212,6 +311,12 @@ acpi_status acpi_hw_read(u32 *value, struct acpi_generic_address *reg) acpi_status acpi_hw_write(u32 value, struct acpi_generic_address *reg) { u64 address; + u8 access_width; + u32 bit_width; + u8 bit_offset; + u64 value64; + u32 new_value32, old_value32; + u8 index; acpi_status status; ACPI_FUNCTION_NAME(hw_write); @@ -223,23 +328,145 @@ acpi_status acpi_hw_write(u32 value, struct acpi_generic_address *reg) return (status); } + /* Convert access_width into number of bits based */ + + access_width = acpi_hw_get_access_bit_width(reg, 32); + bit_width = reg->bit_offset + reg->bit_width; + bit_offset = reg->bit_offset; + /* * Two address spaces supported: Memory or IO. PCI_Config is * not supported here because the GAS structure is insufficient */ - if (reg->space_id == ACPI_ADR_SPACE_SYSTEM_MEMORY) { - status = acpi_os_write_memory((acpi_physical_address) - address, (u64)value, - reg->bit_width); - } else { /* ACPI_ADR_SPACE_SYSTEM_IO, validated earlier */ - - status = acpi_hw_write_port((acpi_io_address) - address, value, reg->bit_width); + index = 0; + while (bit_width) { + /* + * Use offset style bit reads because "Index * AccessWidth" is + * ensured to be less than 32-bits by acpi_hw_validate_register(). + */ + new_value32 = ACPI_GET_BITS(&value, index * access_width, + ACPI_MASK_BITS_ABOVE_32 + (access_width)); + + if (bit_offset >= access_width) { + bit_offset -= access_width; + } else { + /* + * Use offset style bit masks because access_width is ensured + * to be less than 32-bits by acpi_hw_validate_register() and + * bit_offset/bit_width is less than access_width here. + */ + if (bit_offset) { + new_value32 &= ACPI_MASK_BITS_BELOW(bit_offset); + } + if (bit_width < access_width) { + new_value32 &= ACPI_MASK_BITS_ABOVE(bit_width); + } + + if (reg->space_id == ACPI_ADR_SPACE_SYSTEM_MEMORY) { + if (bit_offset || bit_width < access_width) { + /* + * Read old values in order not to modify the bits that + * are beyond the register bit_width/bit_offset setting. + */ + status = + acpi_os_read_memory((acpi_physical_address) + address + + index * + ACPI_DIV_8 + (access_width), + &value64, + access_width); + old_value32 = (u32)value64; + + /* + * Use offset style bit masks because access_width is + * ensured to be less than 32-bits by + * acpi_hw_validate_register() and bit_offset/bit_width is + * less than access_width here. + */ + if (bit_offset) { + old_value32 &= + ACPI_MASK_BITS_ABOVE + (bit_offset); + bit_offset = 0; + } + if (bit_width < access_width) { + old_value32 &= + ACPI_MASK_BITS_BELOW + (bit_width); + } + + new_value32 |= old_value32; + } + + value64 = (u64)new_value32; + status = + acpi_os_write_memory((acpi_physical_address) + address + + index * + ACPI_DIV_8 + (access_width), + value64, access_width); + } else { /* ACPI_ADR_SPACE_SYSTEM_IO, validated earlier */ + + if (bit_offset || bit_width < access_width) { + /* + * Read old values in order not to modify the bits that + * are beyond the register bit_width/bit_offset setting. + */ + status = + acpi_hw_read_port((acpi_io_address) + address + + index * + ACPI_DIV_8 + (access_width), + &old_value32, + access_width); + + /* + * Use offset style bit masks because access_width is + * ensured to be less than 32-bits by + * acpi_hw_validate_register() and bit_offset/bit_width is + * less than access_width here. + */ + if (bit_offset) { + old_value32 &= + ACPI_MASK_BITS_ABOVE + (bit_offset); + bit_offset = 0; + } + if (bit_width < access_width) { + old_value32 &= + ACPI_MASK_BITS_BELOW + (bit_width); + } + + new_value32 |= old_value32; + } + + status = acpi_hw_write_port((acpi_io_address) + address + + index * + ACPI_DIV_8 + (access_width), + new_value32, + access_width); + } + } + + /* + * Index * access_width is ensured to be less than 32-bits by + * acpi_hw_validate_register(). + */ + bit_width -= + bit_width > access_width ? access_width : bit_width; + index++; } ACPI_DEBUG_PRINT((ACPI_DB_IO, "Wrote: %8.8X width %2d to %8.8X%8.8X (%s)\n", - value, reg->bit_width, ACPI_FORMAT_UINT64(address), + value, access_width, ACPI_FORMAT_UINT64(address), acpi_ut_get_region_name(reg->space_id))); return (status); diff --git a/drivers/acpi/acpica/hwxface.c b/drivers/acpi/acpica/hwxface.c index a01ddb393a55..98c26ff39409 100644 --- a/drivers/acpi/acpica/hwxface.c +++ b/drivers/acpi/acpica/hwxface.c @@ -91,10 +91,9 @@ acpi_status acpi_reset(void) * compatibility with other ACPI implementations that have allowed * BIOS code with bad register width values to go unnoticed. */ - status = - acpi_os_write_port((acpi_io_address) reset_reg->address, - acpi_gbl_FADT.reset_value, - ACPI_RESET_REGISTER_WIDTH); + status = acpi_os_write_port((acpi_io_address)reset_reg->address, + acpi_gbl_FADT.reset_value, + ACPI_RESET_REGISTER_WIDTH); } else { /* Write the reset value to the reset register */ @@ -504,9 +503,7 @@ acpi_get_sleep_type_data(u8 sleep_state, u8 *sleep_type_a, u8 *sleep_type_b) * Evaluate the \_Sx namespace object containing the register values * for this state */ - info->relative_pathname = ACPI_CAST_PTR(char, - acpi_gbl_sleep_state_names - [sleep_state]); + info->relative_pathname = acpi_gbl_sleep_state_names[sleep_state]; status = acpi_ns_evaluate(info); if (ACPI_FAILURE(status)) { diff --git a/drivers/acpi/acpica/nsaccess.c b/drivers/acpi/acpica/nsaccess.c index 697af810e5ad..426a6307eafa 100644 --- a/drivers/acpi/acpica/nsaccess.c +++ b/drivers/acpi/acpica/nsaccess.c @@ -107,9 +107,10 @@ acpi_status acpi_ns_root_initialize(void) continue; } - status = acpi_ns_lookup(NULL, init_val->name, init_val->type, - ACPI_IMODE_LOAD_PASS2, - ACPI_NS_NO_UPSEARCH, NULL, &new_node); + status = + acpi_ns_lookup(NULL, (char *)init_val->name, init_val->type, + ACPI_IMODE_LOAD_PASS2, ACPI_NS_NO_UPSEARCH, + NULL, &new_node); if (ACPI_FAILURE(status)) { ACPI_EXCEPTION((AE_INFO, status, "Could not create predefined name %s", diff --git a/drivers/acpi/acpica/nsconvert.c b/drivers/acpi/acpica/nsconvert.c index 878e8fb6a64c..c803bda7915c 100644 --- a/drivers/acpi/acpica/nsconvert.c +++ b/drivers/acpi/acpica/nsconvert.c @@ -79,7 +79,8 @@ acpi_ns_convert_to_integer(union acpi_operand_object *original_object, /* String-to-Integer conversion */ status = acpi_ut_strtoul64(original_object->string.pointer, - ACPI_ANY_BASE, &value); + ACPI_ANY_BASE, + acpi_gbl_integer_byte_width, &value); if (ACPI_FAILURE(status)) { return (status); } @@ -317,7 +318,7 @@ acpi_ns_convert_to_buffer(union acpi_operand_object *original_object, ******************************************************************************/ acpi_status -acpi_ns_convert_to_unicode(struct acpi_namespace_node * scope, +acpi_ns_convert_to_unicode(struct acpi_namespace_node *scope, union acpi_operand_object *original_object, union acpi_operand_object **return_object) { @@ -384,7 +385,7 @@ acpi_ns_convert_to_unicode(struct acpi_namespace_node * scope, ******************************************************************************/ acpi_status -acpi_ns_convert_to_resource(struct acpi_namespace_node * scope, +acpi_ns_convert_to_resource(struct acpi_namespace_node *scope, union acpi_operand_object *original_object, union acpi_operand_object **return_object) { @@ -463,7 +464,7 @@ acpi_ns_convert_to_resource(struct acpi_namespace_node * scope, ******************************************************************************/ acpi_status -acpi_ns_convert_to_reference(struct acpi_namespace_node * scope, +acpi_ns_convert_to_reference(struct acpi_namespace_node *scope, union acpi_operand_object *original_object, union acpi_operand_object **return_object) { diff --git a/drivers/acpi/acpica/nsdump.c b/drivers/acpi/acpica/nsdump.c index af236e348294..ce1f8605d996 100644 --- a/drivers/acpi/acpica/nsdump.c +++ b/drivers/acpi/acpica/nsdump.c @@ -81,7 +81,7 @@ acpi_ns_get_max_depth(acpi_handle obj_handle, * ******************************************************************************/ -void acpi_ns_print_pathname(u32 num_segments, char *pathname) +void acpi_ns_print_pathname(u32 num_segments, const char *pathname) { u32 i; @@ -114,6 +114,9 @@ void acpi_ns_print_pathname(u32 num_segments, char *pathname) acpi_os_printf("]\n"); } +#ifdef ACPI_OBSOLETE_FUNCTIONS +/* Not used at this time, perhaps later */ + /******************************************************************************* * * FUNCTION: acpi_ns_dump_pathname @@ -131,7 +134,8 @@ void acpi_ns_print_pathname(u32 num_segments, char *pathname) ******************************************************************************/ void -acpi_ns_dump_pathname(acpi_handle handle, char *msg, u32 level, u32 component) +acpi_ns_dump_pathname(acpi_handle handle, + const char *msg, u32 level, u32 component) { ACPI_FUNCTION_TRACE(ns_dump_pathname); @@ -148,6 +152,7 @@ acpi_ns_dump_pathname(acpi_handle handle, char *msg, u32 level, u32 component) acpi_os_printf("\n"); return_VOID; } +#endif /******************************************************************************* * diff --git a/drivers/acpi/acpica/nsinit.c b/drivers/acpi/acpica/nsinit.c index d4aa8b696ee9..36643a8cf65a 100644 --- a/drivers/acpi/acpica/nsinit.c +++ b/drivers/acpi/acpica/nsinit.c @@ -140,6 +140,7 @@ acpi_status acpi_ns_initialize_devices(u32 flags) { acpi_status status = AE_OK; struct acpi_device_walk_info info; + acpi_handle handle; ACPI_FUNCTION_TRACE(ns_initialize_devices); @@ -190,6 +191,27 @@ acpi_status acpi_ns_initialize_devices(u32 flags) if (ACPI_SUCCESS(status)) { info.num_INI++; } + + /* + * Execute \_SB._INI. + * There appears to be a strict order requirement for \_SB._INI, + * which should be evaluated before any _REG evaluations. + */ + status = acpi_get_handle(NULL, "\\_SB", &handle); + if (ACPI_SUCCESS(status)) { + memset(info.evaluate_info, 0, + sizeof(struct acpi_evaluate_info)); + info.evaluate_info->prefix_node = handle; + info.evaluate_info->relative_pathname = + METHOD_NAME__INI; + info.evaluate_info->parameters = NULL; + info.evaluate_info->flags = ACPI_IGNORE_RETURN_VALUE; + + status = acpi_ns_evaluate(info.evaluate_info); + if (ACPI_SUCCESS(status)) { + info.num_INI++; + } + } } /* @@ -198,6 +220,12 @@ acpi_status acpi_ns_initialize_devices(u32 flags) * Note: Any objects accessed by the _REG methods will be automatically * initialized, even if they contain executable AML (see the call to * acpi_ns_initialize_objects below). + * + * Note: According to the ACPI specification, we actually needn't execute + * _REG for system_memory/system_io operation regions, but for PCI_Config + * operation regions, it is required to evaluate _REG for those on a PCI + * root bus that doesn't contain _BBN object. So this code is kept here + * in order not to break things. */ if (!(flags & ACPI_NO_ADDRESS_SPACE_INIT)) { ACPI_DEBUG_PRINT((ACPI_DB_EXEC, @@ -592,33 +620,37 @@ acpi_ns_init_one_device(acpi_handle obj_handle, * Note: We know there is an _INI within this subtree, but it may not be * under this particular device, it may be lower in the branch. */ - ACPI_DEBUG_EXEC(acpi_ut_display_init_pathname - (ACPI_TYPE_METHOD, device_node, METHOD_NAME__INI)); - - memset(info, 0, sizeof(struct acpi_evaluate_info)); - info->prefix_node = device_node; - info->relative_pathname = METHOD_NAME__INI; - info->parameters = NULL; - info->flags = ACPI_IGNORE_RETURN_VALUE; - - status = acpi_ns_evaluate(info); - - if (ACPI_SUCCESS(status)) { - walk_info->num_INI++; - } + if (!ACPI_COMPARE_NAME(device_node->name.ascii, "_SB_") || + device_node->parent != acpi_gbl_root_node) { + ACPI_DEBUG_EXEC(acpi_ut_display_init_pathname + (ACPI_TYPE_METHOD, device_node, + METHOD_NAME__INI)); + + memset(info, 0, sizeof(struct acpi_evaluate_info)); + info->prefix_node = device_node; + info->relative_pathname = METHOD_NAME__INI; + info->parameters = NULL; + info->flags = ACPI_IGNORE_RETURN_VALUE; + + status = acpi_ns_evaluate(info); + if (ACPI_SUCCESS(status)) { + walk_info->num_INI++; + } #ifdef ACPI_DEBUG_OUTPUT - else if (status != AE_NOT_FOUND) { + else if (status != AE_NOT_FOUND) { - /* Ignore error and move on to next device */ + /* Ignore error and move on to next device */ - char *scope_name = - acpi_ns_get_normalized_pathname(device_node, TRUE); + char *scope_name = + acpi_ns_get_normalized_pathname(device_node, TRUE); - ACPI_EXCEPTION((AE_INFO, status, "during %s._INI execution", - scope_name)); - ACPI_FREE(scope_name); - } + ACPI_EXCEPTION((AE_INFO, status, + "during %s._INI execution", + scope_name)); + ACPI_FREE(scope_name); + } #endif + } /* Ignore errors from above */ diff --git a/drivers/acpi/acpica/nsload.c b/drivers/acpi/acpica/nsload.c index 75cdb8790d49..b5e2b0ada0ab 100644 --- a/drivers/acpi/acpica/nsload.c +++ b/drivers/acpi/acpica/nsload.c @@ -123,8 +123,8 @@ acpi_ns_load_table(u32 table_index, struct acpi_namespace_node *node) (void)acpi_ut_release_mutex(ACPI_MTX_NAMESPACE); acpi_ns_delete_namespace_by_owner(acpi_gbl_root_table_list. tables[table_index].owner_id); - acpi_tb_release_owner_id(table_index); + acpi_tb_release_owner_id(table_index); return_ACPI_STATUS(status); } diff --git a/drivers/acpi/acpica/nsnames.c b/drivers/acpi/acpica/nsnames.c index eb6e1b88a51d..f03dd41e86d0 100644 --- a/drivers/acpi/acpica/nsnames.c +++ b/drivers/acpi/acpica/nsnames.c @@ -113,7 +113,7 @@ acpi_size acpi_ns_get_pathname_length(struct acpi_namespace_node *node) acpi_status acpi_ns_handle_to_pathname(acpi_handle target_handle, - struct acpi_buffer * buffer, u8 no_trailing) + struct acpi_buffer *buffer, u8 no_trailing) { acpi_status status; struct acpi_namespace_node *node; diff --git a/drivers/acpi/acpica/nsobject.c b/drivers/acpi/acpica/nsobject.c index 051306f0d0d6..cfa2bb7162d8 100644 --- a/drivers/acpi/acpica/nsobject.c +++ b/drivers/acpi/acpica/nsobject.c @@ -399,7 +399,7 @@ acpi_ns_attach_data(struct acpi_namespace_node *node, ******************************************************************************/ acpi_status -acpi_ns_detach_data(struct acpi_namespace_node * node, +acpi_ns_detach_data(struct acpi_namespace_node *node, acpi_object_handler handler) { union acpi_operand_object *obj_desc; @@ -444,7 +444,7 @@ acpi_ns_detach_data(struct acpi_namespace_node * node, ******************************************************************************/ acpi_status -acpi_ns_get_attached_data(struct acpi_namespace_node * node, +acpi_ns_get_attached_data(struct acpi_namespace_node *node, acpi_object_handler handler, void **data) { union acpi_operand_object *obj_desc; diff --git a/drivers/acpi/acpica/nsprepkg.c b/drivers/acpi/acpica/nsprepkg.c index 9047f2808d5b..fbedc6e8ab36 100644 --- a/drivers/acpi/acpica/nsprepkg.c +++ b/drivers/acpi/acpica/nsprepkg.c @@ -62,6 +62,10 @@ acpi_ns_check_package_elements(struct acpi_evaluate_info *info, u32 count1, u8 type2, u32 count2, u32 start_index); +static acpi_status +acpi_ns_custom_package(struct acpi_evaluate_info *info, + union acpi_operand_object **elements, u32 count); + /******************************************************************************* * * FUNCTION: acpi_ns_check_package @@ -135,6 +139,11 @@ acpi_ns_check_package(struct acpi_evaluate_info *info, * PTYPE2 packages contain subpackages */ switch (package->ret_info.type) { + case ACPI_PTYPE_CUSTOM: + + status = acpi_ns_custom_package(info, elements, count); + break; + case ACPI_PTYPE1_FIXED: /* * The package count is fixed and there are no subpackages @@ -179,6 +188,7 @@ acpi_ns_check_package(struct acpi_evaluate_info *info, if (ACPI_FAILURE(status)) { return (status); } + elements++; } break; @@ -225,6 +235,7 @@ acpi_ns_check_package(struct acpi_evaluate_info *info, return (status); } } + elements++; } break; @@ -569,11 +580,13 @@ acpi_ns_check_package_list(struct acpi_evaluate_info *info, if (sub_package->package.count < expected_count) { goto package_too_small; } + if (sub_package->package.count < package->ret_info.count1) { expected_count = package->ret_info.count1; goto package_too_small; } + if (expected_count == 0) { /* * Either the num_entries element was originally zero or it was @@ -622,6 +635,83 @@ package_too_small: /******************************************************************************* * + * FUNCTION: acpi_ns_custom_package + * + * PARAMETERS: info - Method execution information block + * elements - Pointer to the package elements array + * count - Element count for the package + * + * RETURN: Status + * + * DESCRIPTION: Check a returned package object for the correct count and + * correct type of all sub-objects. + * + * NOTE: Currently used for the _BIX method only. When needed for two or more + * methods, probably a detect/dispatch mechanism will be required. + * + ******************************************************************************/ + +static acpi_status +acpi_ns_custom_package(struct acpi_evaluate_info *info, + union acpi_operand_object **elements, u32 count) +{ + u32 expected_count; + u32 version; + acpi_status status = AE_OK; + + ACPI_FUNCTION_NAME(ns_custom_package); + + /* Get version number, must be Integer */ + + if ((*elements)->common.type != ACPI_TYPE_INTEGER) { + ACPI_WARN_PREDEFINED((AE_INFO, info->full_pathname, + info->node_flags, + "Return Package has invalid object type for version number")); + return_ACPI_STATUS(AE_AML_OPERAND_TYPE); + } + + version = (u32)(*elements)->integer.value; + expected_count = 21; /* Version 1 */ + + if (version == 0) { + expected_count = 20; /* Version 0 */ + } + + if (count < expected_count) { + ACPI_WARN_PREDEFINED((AE_INFO, info->full_pathname, + info->node_flags, + "Return Package is too small - found %u elements, expected %u", + count, expected_count)); + return_ACPI_STATUS(AE_AML_OPERAND_VALUE); + } else if (count > expected_count) { + ACPI_DEBUG_PRINT((ACPI_DB_REPAIR, + "%s: Return Package is larger than needed - " + "found %u, expected %u\n", + info->full_pathname, count, expected_count)); + } + + /* Validate all elements of the returned package */ + + status = acpi_ns_check_package_elements(info, elements, + ACPI_RTYPE_INTEGER, 16, + ACPI_RTYPE_STRING, 4, 0); + if (ACPI_FAILURE(status)) { + return_ACPI_STATUS(status); + } + + /* Version 1 has a single trailing integer */ + + if (version > 0) { + status = acpi_ns_check_package_elements(info, elements + 20, + ACPI_RTYPE_INTEGER, 1, + 0, 0, 20); + } + + return_ACPI_STATUS(status); +} + +/******************************************************************************* + * * FUNCTION: acpi_ns_check_package_elements * * PARAMETERS: info - Method execution information block @@ -661,6 +751,7 @@ acpi_ns_check_package_elements(struct acpi_evaluate_info *info, if (ACPI_FAILURE(status)) { return (status); } + this_element++; } @@ -671,6 +762,7 @@ acpi_ns_check_package_elements(struct acpi_evaluate_info *info, if (ACPI_FAILURE(status)) { return (status); } + this_element++; } diff --git a/drivers/acpi/acpica/nsrepair.c b/drivers/acpi/acpica/nsrepair.c index 805e36de8707..9523d41c7ae9 100644 --- a/drivers/acpi/acpica/nsrepair.c +++ b/drivers/acpi/acpica/nsrepair.c @@ -399,7 +399,7 @@ static const struct acpi_simple_repair_info *acpi_ns_match_simple_repair(struct ******************************************************************************/ acpi_status -acpi_ns_repair_null_element(struct acpi_evaluate_info * info, +acpi_ns_repair_null_element(struct acpi_evaluate_info *info, u32 expected_btypes, u32 package_index, union acpi_operand_object **return_object_ptr) diff --git a/drivers/acpi/acpica/nsrepair2.c b/drivers/acpi/acpica/nsrepair2.c index 63edbbbf9ae4..d5336122486b 100644 --- a/drivers/acpi/acpica/nsrepair2.c +++ b/drivers/acpi/acpica/nsrepair2.c @@ -54,9 +54,9 @@ ACPI_MODULE_NAME("nsrepair2") * be repaired on a per-name basis. */ typedef -acpi_status(*acpi_repair_function) (struct acpi_evaluate_info * info, - union acpi_operand_object - **return_object_ptr); +acpi_status (*acpi_repair_function) (struct acpi_evaluate_info * info, + union acpi_operand_object ** + return_object_ptr); typedef struct acpi_repair_info { char name[ACPI_NAME_SIZE]; diff --git a/drivers/acpi/acpica/nsutils.c b/drivers/acpi/acpica/nsutils.c index c72cc62b92d0..784a30b76e0f 100644 --- a/drivers/acpi/acpica/nsutils.c +++ b/drivers/acpi/acpica/nsutils.c @@ -272,11 +272,11 @@ acpi_status acpi_ns_build_internal_name(struct acpi_namestring_info *info) result = &internal_name[i]; } else if (num_segments == 2) { internal_name[i] = AML_DUAL_NAME_PREFIX; - result = &internal_name[(acpi_size) i + 1]; + result = &internal_name[(acpi_size)i + 1]; } else { internal_name[i] = AML_MULTI_NAME_PREFIX_OP; - internal_name[(acpi_size) i + 1] = (char)num_segments; - result = &internal_name[(acpi_size) i + 2]; + internal_name[(acpi_size)i + 1] = (char)num_segments; + result = &internal_name[(acpi_size)i + 2]; } } @@ -456,7 +456,7 @@ acpi_ns_externalize_name(u32 internal_name_length, names_index = prefix_length + 2; num_segments = (u8) - internal_name[(acpi_size) prefix_length + 1]; + internal_name[(acpi_size)prefix_length + 1]; break; case AML_DUAL_NAME_PREFIX: diff --git a/drivers/acpi/acpica/nsxfeval.c b/drivers/acpi/acpica/nsxfeval.c index a7deeaa8eddc..d2a9b4fd739f 100644 --- a/drivers/acpi/acpica/nsxfeval.c +++ b/drivers/acpi/acpica/nsxfeval.c @@ -256,7 +256,7 @@ acpi_evaluate_object(acpi_handle handle, * Allocate a new parameter block for the internal objects * Add 1 to count to allow for null terminated internal list */ - info->parameters = ACPI_ALLOCATE_ZEROED(((acpi_size) info-> + info->parameters = ACPI_ALLOCATE_ZEROED(((acpi_size)info-> param_count + 1) * sizeof(void *)); if (!info->parameters) { @@ -280,13 +280,12 @@ acpi_evaluate_object(acpi_handle handle, info->parameters[info->param_count] = NULL; } -#if 0 +#ifdef _FUTURE_FEATURE /* * Begin incoming argument count analysis. Check for too few args * and too many args. */ - switch (acpi_ns_get_type(info->node)) { case ACPI_TYPE_METHOD: @@ -370,68 +369,68 @@ acpi_evaluate_object(acpi_handle handle, * If we are expecting a return value, and all went well above, * copy the return value to an external object. */ - if (return_buffer) { - if (!info->return_object) { - return_buffer->length = 0; - } else { - if (ACPI_GET_DESCRIPTOR_TYPE(info->return_object) == - ACPI_DESC_TYPE_NAMED) { - /* - * If we received a NS Node as a return object, this means that - * the object we are evaluating has nothing interesting to - * return (such as a mutex, etc.) We return an error because - * these types are essentially unsupported by this interface. - * We don't check up front because this makes it easier to add - * support for various types at a later date if necessary. - */ - status = AE_TYPE; - info->return_object = NULL; /* No need to delete a NS Node */ - return_buffer->length = 0; - } + if (!return_buffer) { + goto cleanup_return_object; + } - if (ACPI_SUCCESS(status)) { + if (!info->return_object) { + return_buffer->length = 0; + goto cleanup; + } - /* Dereference Index and ref_of references */ + if (ACPI_GET_DESCRIPTOR_TYPE(info->return_object) == + ACPI_DESC_TYPE_NAMED) { + /* + * If we received a NS Node as a return object, this means that + * the object we are evaluating has nothing interesting to + * return (such as a mutex, etc.) We return an error because + * these types are essentially unsupported by this interface. + * We don't check up front because this makes it easier to add + * support for various types at a later date if necessary. + */ + status = AE_TYPE; + info->return_object = NULL; /* No need to delete a NS Node */ + return_buffer->length = 0; + } - acpi_ns_resolve_references(info); + if (ACPI_FAILURE(status)) { + goto cleanup_return_object; + } - /* Get the size of the returned object */ + /* Dereference Index and ref_of references */ - status = - acpi_ut_get_object_size(info->return_object, - &buffer_space_needed); - if (ACPI_SUCCESS(status)) { - - /* Validate/Allocate/Clear caller buffer */ - - status = - acpi_ut_initialize_buffer - (return_buffer, - buffer_space_needed); - if (ACPI_FAILURE(status)) { - /* - * Caller's buffer is too small or a new one can't - * be allocated - */ - ACPI_DEBUG_PRINT((ACPI_DB_INFO, - "Needed buffer size %X, %s\n", - (u32) - buffer_space_needed, - acpi_format_exception - (status))); - } else { - /* We have enough space for the object, build it */ - - status = - acpi_ut_copy_iobject_to_eobject - (info->return_object, - return_buffer); - } - } - } + acpi_ns_resolve_references(info); + + /* Get the size of the returned object */ + + status = acpi_ut_get_object_size(info->return_object, + &buffer_space_needed); + if (ACPI_SUCCESS(status)) { + + /* Validate/Allocate/Clear caller buffer */ + + status = acpi_ut_initialize_buffer(return_buffer, + buffer_space_needed); + if (ACPI_FAILURE(status)) { + /* + * Caller's buffer is too small or a new one can't + * be allocated + */ + ACPI_DEBUG_PRINT((ACPI_DB_INFO, + "Needed buffer size %X, %s\n", + (u32)buffer_space_needed, + acpi_format_exception(status))); + } else { + /* We have enough space for the object, build it */ + + status = + acpi_ut_copy_iobject_to_eobject(info->return_object, + return_buffer); } } +cleanup_return_object: + if (info->return_object) { /* * Delete the internal return object. NOTE: Interpreter must be diff --git a/drivers/acpi/acpica/nsxfname.c b/drivers/acpi/acpica/nsxfname.c index 285b82044e7b..76a1bd4bb070 100644 --- a/drivers/acpi/acpica/nsxfname.c +++ b/drivers/acpi/acpica/nsxfname.c @@ -78,7 +78,7 @@ static char *acpi_ns_copy_device_id(struct acpi_pnp_device_id *dest, acpi_status acpi_get_handle(acpi_handle parent, - acpi_string pathname, acpi_handle * ret_handle) + acpi_string pathname, acpi_handle *ret_handle) { acpi_status status; struct acpi_namespace_node *node = NULL; @@ -155,7 +155,7 @@ ACPI_EXPORT_SYMBOL(acpi_get_handle) * ******************************************************************************/ acpi_status -acpi_get_name(acpi_handle handle, u32 name_type, struct acpi_buffer * buffer) +acpi_get_name(acpi_handle handle, u32 name_type, struct acpi_buffer *buffer) { acpi_status status; struct acpi_namespace_node *node; @@ -448,7 +448,7 @@ acpi_get_object_info(acpi_handle handle, /* Point past the CID PNP_DEVICE_ID array */ next_id_string += - ((acpi_size) cid_list->count * + ((acpi_size)cid_list->count * sizeof(struct acpi_pnp_device_id)); } diff --git a/drivers/acpi/acpica/nsxfobj.c b/drivers/acpi/acpica/nsxfobj.c index c312cd490450..32d372b85243 100644 --- a/drivers/acpi/acpica/nsxfobj.c +++ b/drivers/acpi/acpica/nsxfobj.c @@ -63,7 +63,7 @@ ACPI_MODULE_NAME("nsxfobj") * DESCRIPTION: This routine returns the type associatd with a particular handle * ******************************************************************************/ -acpi_status acpi_get_type(acpi_handle handle, acpi_object_type * ret_type) +acpi_status acpi_get_type(acpi_handle handle, acpi_object_type *ret_type) { struct acpi_namespace_node *node; acpi_status status; @@ -115,7 +115,7 @@ ACPI_EXPORT_SYMBOL(acpi_get_type) * Handle. * ******************************************************************************/ -acpi_status acpi_get_parent(acpi_handle handle, acpi_handle * ret_handle) +acpi_status acpi_get_parent(acpi_handle handle, acpi_handle *ret_handle) { struct acpi_namespace_node *node; struct acpi_namespace_node *parent_node; @@ -183,7 +183,7 @@ ACPI_EXPORT_SYMBOL(acpi_get_parent) acpi_status acpi_get_next_object(acpi_object_type type, acpi_handle parent, - acpi_handle child, acpi_handle * ret_handle) + acpi_handle child, acpi_handle *ret_handle) { acpi_status status; struct acpi_namespace_node *node; diff --git a/drivers/acpi/acpica/psargs.c b/drivers/acpi/acpica/psargs.c index d48cbed342c1..c29c930ffa08 100644 --- a/drivers/acpi/acpica/psargs.c +++ b/drivers/acpi/acpica/psargs.c @@ -87,7 +87,7 @@ acpi_ps_get_next_package_length(struct acpi_parse_state *parser_state) * used to encode the package length, either 0,1,2, or 3 */ byte_count = (aml[0] >> 6); - parser_state->aml += ((acpi_size) byte_count + 1); + parser_state->aml += ((acpi_size)byte_count + 1); /* Get bytes 3, 2, 1 as needed */ diff --git a/drivers/acpi/acpica/psopinfo.c b/drivers/acpi/acpica/psopinfo.c index cfd17a4f2e91..177b05b239b7 100644 --- a/drivers/acpi/acpica/psopinfo.c +++ b/drivers/acpi/acpica/psopinfo.c @@ -158,7 +158,7 @@ const struct acpi_opcode_info *acpi_ps_get_opcode_info(u16 opcode) * ******************************************************************************/ -char *acpi_ps_get_opcode_name(u16 opcode) +const char *acpi_ps_get_opcode_name(u16 opcode) { #if defined(ACPI_DISASSEMBLER) || defined (ACPI_DEBUG_OUTPUT) diff --git a/drivers/acpi/acpica/psparse.c b/drivers/acpi/acpica/psparse.c index 8038ed2aca05..0a23897d8adf 100644 --- a/drivers/acpi/acpica/psparse.c +++ b/drivers/acpi/acpica/psparse.c @@ -130,8 +130,8 @@ u16 acpi_ps_peek_opcode(struct acpi_parse_state * parser_state) ******************************************************************************/ acpi_status -acpi_ps_complete_this_op(struct acpi_walk_state * walk_state, - union acpi_parse_object * op) +acpi_ps_complete_this_op(struct acpi_walk_state *walk_state, + union acpi_parse_object *op) { union acpi_parse_object *prev; union acpi_parse_object *next; diff --git a/drivers/acpi/acpica/psutils.c b/drivers/acpi/acpica/psutils.c index b28b0da171b6..89cb4bffcc7c 100644 --- a/drivers/acpi/acpica/psutils.c +++ b/drivers/acpi/acpica/psutils.c @@ -128,7 +128,7 @@ union acpi_parse_object *acpi_ps_alloc_op(u16 opcode, u8 *aml) if (op_info->flags & AML_DEFER) { flags = ACPI_PARSEOP_DEFERRED; } else if (op_info->flags & AML_NAMED) { - flags = ACPI_PARSEOP_NAMED; + flags = ACPI_PARSEOP_NAMED_OBJECT; } else if (opcode == AML_INT_BYTELIST_OP) { flags = ACPI_PARSEOP_BYTELIST; } diff --git a/drivers/acpi/acpica/psxface.c b/drivers/acpi/acpica/psxface.c index 04b37fcca684..cf30cd821f5e 100644 --- a/drivers/acpi/acpica/psxface.c +++ b/drivers/acpi/acpica/psxface.c @@ -115,7 +115,7 @@ acpi_debug_trace(const char *name, u32 debug_level, u32 debug_layer, u32 flags) * ******************************************************************************/ -acpi_status acpi_ps_execute_method(struct acpi_evaluate_info * info) +acpi_status acpi_ps_execute_method(struct acpi_evaluate_info *info) { acpi_status status; union acpi_parse_object *op; diff --git a/drivers/acpi/acpica/rscalc.c b/drivers/acpi/acpica/rscalc.c index 2b1209d73e44..f1e83addd5b4 100644 --- a/drivers/acpi/acpica/rscalc.c +++ b/drivers/acpi/acpica/rscalc.c @@ -112,7 +112,7 @@ acpi_rs_struct_option_length(struct acpi_resource_source *resource_source) * resource_source_index (1). */ if (resource_source->string_ptr) { - return ((acpi_rs_length) (resource_source->string_length + 1)); + return ((acpi_rs_length)(resource_source->string_length + 1)); } return (0); @@ -188,7 +188,7 @@ acpi_rs_stream_option_length(u32 resource_length, acpi_status acpi_rs_get_aml_length(struct acpi_resource *resource, - acpi_size resource_list_size, acpi_size * size_needed) + acpi_size resource_list_size, acpi_size *size_needed) { acpi_size aml_size_needed = 0; struct acpi_resource *resource_end; @@ -278,11 +278,11 @@ acpi_rs_get_aml_length(struct acpi_resource *resource, * 16-Bit Address Resource: * Add the size of the optional resource_source info */ - total_size = (acpi_rs_length) (total_size + - acpi_rs_struct_option_length - (&resource->data. - address16. - resource_source)); + total_size = (acpi_rs_length)(total_size + + acpi_rs_struct_option_length + (&resource->data. + address16. + resource_source)); break; case ACPI_RESOURCE_TYPE_ADDRESS32: @@ -290,11 +290,11 @@ acpi_rs_get_aml_length(struct acpi_resource *resource, * 32-Bit Address Resource: * Add the size of the optional resource_source info */ - total_size = (acpi_rs_length) (total_size + - acpi_rs_struct_option_length - (&resource->data. - address32. - resource_source)); + total_size = (acpi_rs_length)(total_size + + acpi_rs_struct_option_length + (&resource->data. + address32. + resource_source)); break; case ACPI_RESOURCE_TYPE_ADDRESS64: @@ -302,11 +302,11 @@ acpi_rs_get_aml_length(struct acpi_resource *resource, * 64-Bit Address Resource: * Add the size of the optional resource_source info */ - total_size = (acpi_rs_length) (total_size + - acpi_rs_struct_option_length - (&resource->data. - address64. - resource_source)); + total_size = (acpi_rs_length)(total_size + + acpi_rs_struct_option_length + (&resource->data. + address64. + resource_source)); break; case ACPI_RESOURCE_TYPE_EXTENDED_IRQ: @@ -315,28 +315,28 @@ acpi_rs_get_aml_length(struct acpi_resource *resource, * Add the size of each additional optional interrupt beyond the * required 1 (4 bytes for each u32 interrupt number) */ - total_size = (acpi_rs_length) (total_size + - ((resource->data. - extended_irq. - interrupt_count - - 1) * 4) + - /* Add the size of the optional resource_source info */ - acpi_rs_struct_option_length - (&resource->data. + total_size = (acpi_rs_length)(total_size + + ((resource->data. extended_irq. - resource_source)); + interrupt_count - + 1) * 4) + + /* Add the size of the optional resource_source info */ + acpi_rs_struct_option_length + (&resource->data. + extended_irq. + resource_source)); break; case ACPI_RESOURCE_TYPE_GPIO: - total_size = (acpi_rs_length) (total_size + - (resource->data.gpio. - pin_table_length * 2) + - resource->data.gpio. - resource_source. - string_length + - resource->data.gpio. - vendor_length); + total_size = (acpi_rs_length)(total_size + + (resource->data.gpio. + pin_table_length * 2) + + resource->data.gpio. + resource_source. + string_length + + resource->data.gpio. + vendor_length); break; @@ -348,14 +348,14 @@ acpi_rs_get_aml_length(struct acpi_resource *resource, common_serial_bus. type]; - total_size = (acpi_rs_length) (total_size + - resource->data. - i2c_serial_bus. - resource_source. - string_length + - resource->data. - i2c_serial_bus. - vendor_length); + total_size = (acpi_rs_length)(total_size + + resource->data. + i2c_serial_bus. + resource_source. + string_length + + resource->data. + i2c_serial_bus. + vendor_length); break; @@ -397,8 +397,8 @@ acpi_rs_get_aml_length(struct acpi_resource *resource, ******************************************************************************/ acpi_status -acpi_rs_get_list_length(u8 * aml_buffer, - u32 aml_buffer_length, acpi_size * size_needed) +acpi_rs_get_list_length(u8 *aml_buffer, + u32 aml_buffer_length, acpi_size *size_needed) { acpi_status status; u8 *end_aml; @@ -610,7 +610,7 @@ acpi_rs_get_list_length(u8 * aml_buffer, acpi_status acpi_rs_get_pci_routing_table_length(union acpi_operand_object *package_object, - acpi_size * buffer_size_needed) + acpi_size *buffer_size_needed) { u32 number_of_elements; acpi_size temp_size_needed = 0; diff --git a/drivers/acpi/acpica/rscreate.c b/drivers/acpi/acpica/rscreate.c index 12978891e842..809b61c114fe 100644 --- a/drivers/acpi/acpica/rscreate.c +++ b/drivers/acpi/acpica/rscreate.c @@ -347,7 +347,7 @@ acpi_rs_create_pci_routing_table(union acpi_operand_object *package_object, (u8 *) output_buffer->pointer); path_buffer.pointer = user_prt->source; - status = acpi_ns_handle_to_pathname((acpi_handle) node, &path_buffer, FALSE); + status = acpi_ns_handle_to_pathname((acpi_handle)node, &path_buffer, FALSE); /* +1 to include null terminator */ diff --git a/drivers/acpi/acpica/rsdump.c b/drivers/acpi/acpica/rsdump.c index 23a17c86d5a9..5ffdb5602d8d 100644 --- a/drivers/acpi/acpica/rsdump.c +++ b/drivers/acpi/acpica/rsdump.c @@ -52,17 +52,17 @@ ACPI_MODULE_NAME("rsdump") * All functions in this module are used by the AML Debugger only */ /* Local prototypes */ -static void acpi_rs_out_string(char *title, char *value); +static void acpi_rs_out_string(const char *title, const char *value); -static void acpi_rs_out_integer8(char *title, u8 value); +static void acpi_rs_out_integer8(const char *title, u8 value); -static void acpi_rs_out_integer16(char *title, u16 value); +static void acpi_rs_out_integer16(const char *title, u16 value); -static void acpi_rs_out_integer32(char *title, u32 value); +static void acpi_rs_out_integer32(const char *title, u32 value); -static void acpi_rs_out_integer64(char *title, u64 value); +static void acpi_rs_out_integer64(const char *title, u64 value); -static void acpi_rs_out_title(char *title); +static void acpi_rs_out_title(const char *title); static void acpi_rs_dump_byte_list(u16 length, u8 *data); @@ -208,7 +208,7 @@ acpi_rs_dump_descriptor(void *resource, struct acpi_rsdump_info *table) { u8 *target = NULL; u8 *previous_target; - char *name; + const char *name; u8 count; /* First table entry must contain the table length (# of table entries) */ @@ -248,10 +248,8 @@ acpi_rs_dump_descriptor(void *resource, struct acpi_rsdump_info *table) case ACPI_RSD_UINT8: if (table->pointer) { - acpi_rs_out_string(name, ACPI_CAST_PTR(char, - table-> - pointer - [*target])); + acpi_rs_out_string(name, + table->pointer[*target]); } else { acpi_rs_out_integer8(name, ACPI_GET8(target)); } @@ -276,26 +274,20 @@ acpi_rs_dump_descriptor(void *resource, struct acpi_rsdump_info *table) case ACPI_RSD_1BITFLAG: - acpi_rs_out_string(name, ACPI_CAST_PTR(char, - table-> - pointer[*target & - 0x01])); + acpi_rs_out_string(name, + table->pointer[*target & 0x01]); break; case ACPI_RSD_2BITFLAG: - acpi_rs_out_string(name, ACPI_CAST_PTR(char, - table-> - pointer[*target & - 0x03])); + acpi_rs_out_string(name, + table->pointer[*target & 0x03]); break; case ACPI_RSD_3BITFLAG: - acpi_rs_out_string(name, ACPI_CAST_PTR(char, - table-> - pointer[*target & - 0x07])); + acpi_rs_out_string(name, + table->pointer[*target & 0x07]); break; case ACPI_RSD_SHORTLIST: @@ -481,7 +473,7 @@ static void acpi_rs_dump_address_common(union acpi_resource_data *resource) * ******************************************************************************/ -static void acpi_rs_out_string(char *title, char *value) +static void acpi_rs_out_string(const char *title, const char *value) { acpi_os_printf("%27s : %s", title, value); @@ -491,30 +483,30 @@ static void acpi_rs_out_string(char *title, char *value) acpi_os_printf("\n"); } -static void acpi_rs_out_integer8(char *title, u8 value) +static void acpi_rs_out_integer8(const char *title, u8 value) { acpi_os_printf("%27s : %2.2X\n", title, value); } -static void acpi_rs_out_integer16(char *title, u16 value) +static void acpi_rs_out_integer16(const char *title, u16 value) { acpi_os_printf("%27s : %4.4X\n", title, value); } -static void acpi_rs_out_integer32(char *title, u32 value) +static void acpi_rs_out_integer32(const char *title, u32 value) { acpi_os_printf("%27s : %8.8X\n", title, value); } -static void acpi_rs_out_integer64(char *title, u64 value) +static void acpi_rs_out_integer64(const char *title, u64 value) { acpi_os_printf("%27s : %8.8X%8.8X\n", title, ACPI_FORMAT_UINT64(value)); } -static void acpi_rs_out_title(char *title) +static void acpi_rs_out_title(const char *title) { acpi_os_printf("%27s : ", title); diff --git a/drivers/acpi/acpica/rsdumpinfo.c b/drivers/acpi/acpica/rsdumpinfo.c index 5c3491387f9f..61e8f16c857d 100644 --- a/drivers/acpi/acpica/rsdumpinfo.c +++ b/drivers/acpi/acpica/rsdumpinfo.c @@ -330,19 +330,20 @@ struct acpi_rsdump_info acpi_rs_dump_fixed_dma[4] = { {ACPI_RSD_UINT8, ACPI_RSD_OFFSET (common_serial_bus.type), "Type", acpi_gbl_sbt_decode}, \ {ACPI_RSD_1BITFLAG, ACPI_RSD_OFFSET (common_serial_bus.producer_consumer), "ProducerConsumer", acpi_gbl_consume_decode}, \ {ACPI_RSD_1BITFLAG, ACPI_RSD_OFFSET (common_serial_bus.slave_mode), "SlaveMode", acpi_gbl_sm_decode}, \ + {ACPI_RSD_1BITFLAG, ACPI_RSD_OFFSET (common_serial_bus.connection_sharing),"ConnectionSharing", acpi_gbl_shr_decode}, \ {ACPI_RSD_UINT8, ACPI_RSD_OFFSET (common_serial_bus.type_revision_id), "TypeRevisionId", NULL}, \ {ACPI_RSD_UINT16, ACPI_RSD_OFFSET (common_serial_bus.type_data_length), "TypeDataLength", NULL}, \ {ACPI_RSD_SOURCE, ACPI_RSD_OFFSET (common_serial_bus.resource_source), "ResourceSource", NULL}, \ {ACPI_RSD_UINT16, ACPI_RSD_OFFSET (common_serial_bus.vendor_length), "VendorLength", NULL}, \ {ACPI_RSD_SHORTLISTX,ACPI_RSD_OFFSET (common_serial_bus.vendor_data), "VendorData", NULL}, -struct acpi_rsdump_info acpi_rs_dump_common_serial_bus[10] = { +struct acpi_rsdump_info acpi_rs_dump_common_serial_bus[11] = { {ACPI_RSD_TITLE, ACPI_RSD_TABLE_SIZE(acpi_rs_dump_common_serial_bus), "Common Serial Bus", NULL}, ACPI_RS_DUMP_COMMON_SERIAL_BUS }; -struct acpi_rsdump_info acpi_rs_dump_i2c_serial_bus[13] = { +struct acpi_rsdump_info acpi_rs_dump_i2c_serial_bus[14] = { {ACPI_RSD_TITLE, ACPI_RSD_TABLE_SIZE(acpi_rs_dump_i2c_serial_bus), "I2C Serial Bus", NULL}, ACPI_RS_DUMP_COMMON_SERIAL_BUS {ACPI_RSD_1BITFLAG, @@ -355,7 +356,7 @@ struct acpi_rsdump_info acpi_rs_dump_i2c_serial_bus[13] = { "SlaveAddress", NULL}, }; -struct acpi_rsdump_info acpi_rs_dump_spi_serial_bus[17] = { +struct acpi_rsdump_info acpi_rs_dump_spi_serial_bus[18] = { {ACPI_RSD_TITLE, ACPI_RSD_TABLE_SIZE(acpi_rs_dump_spi_serial_bus), "Spi Serial Bus", NULL}, ACPI_RS_DUMP_COMMON_SERIAL_BUS {ACPI_RSD_1BITFLAG, @@ -376,7 +377,7 @@ struct acpi_rsdump_info acpi_rs_dump_spi_serial_bus[17] = { "ConnectionSpeed", NULL}, }; -struct acpi_rsdump_info acpi_rs_dump_uart_serial_bus[19] = { +struct acpi_rsdump_info acpi_rs_dump_uart_serial_bus[20] = { {ACPI_RSD_TITLE, ACPI_RSD_TABLE_SIZE(acpi_rs_dump_uart_serial_bus), "Uart Serial Bus", NULL}, ACPI_RS_DUMP_COMMON_SERIAL_BUS {ACPI_RSD_2BITFLAG, diff --git a/drivers/acpi/acpica/rsmisc.c b/drivers/acpi/acpica/rsmisc.c index ce3d0b77ec89..25165ca42051 100644 --- a/drivers/acpi/acpica/rsmisc.c +++ b/drivers/acpi/acpica/rsmisc.c @@ -87,7 +87,7 @@ acpi_rs_convert_aml_to_resource(struct acpi_resource *resource, return_ACPI_STATUS(AE_BAD_PARAMETER); } - if (((acpi_size) resource) & 0x3) { + if (((acpi_size)resource) & 0x3) { /* Each internal resource struct is expected to be 32-bit aligned */ diff --git a/drivers/acpi/acpica/rsserial.c b/drivers/acpi/acpica/rsserial.c index 8a01296ac7cf..b82c061f205a 100644 --- a/drivers/acpi/acpica/rsserial.c +++ b/drivers/acpi/acpica/rsserial.c @@ -151,7 +151,7 @@ struct acpi_rsconvert_info acpi_rs_convert_gpio[18] = { * ******************************************************************************/ -struct acpi_rsconvert_info acpi_rs_convert_i2c_serial_bus[16] = { +struct acpi_rsconvert_info acpi_rs_convert_i2c_serial_bus[17] = { {ACPI_RSC_INITGET, ACPI_RESOURCE_TYPE_SERIAL_BUS, ACPI_RS_SIZE(struct acpi_resource_i2c_serialbus), ACPI_RSC_TABLE_SIZE(acpi_rs_convert_i2c_serial_bus)}, @@ -177,6 +177,11 @@ struct acpi_rsconvert_info acpi_rs_convert_i2c_serial_bus[16] = { AML_OFFSET(common_serial_bus.flags), 1}, + {ACPI_RSC_1BITFLAG, + ACPI_RS_OFFSET(data.common_serial_bus.connection_sharing), + AML_OFFSET(common_serial_bus.flags), + 2}, + {ACPI_RSC_MOVE8, ACPI_RS_OFFSET(data.common_serial_bus.type_revision_id), AML_OFFSET(common_serial_bus.type_revision_id), @@ -237,7 +242,7 @@ struct acpi_rsconvert_info acpi_rs_convert_i2c_serial_bus[16] = { * ******************************************************************************/ -struct acpi_rsconvert_info acpi_rs_convert_spi_serial_bus[20] = { +struct acpi_rsconvert_info acpi_rs_convert_spi_serial_bus[21] = { {ACPI_RSC_INITGET, ACPI_RESOURCE_TYPE_SERIAL_BUS, ACPI_RS_SIZE(struct acpi_resource_spi_serialbus), ACPI_RSC_TABLE_SIZE(acpi_rs_convert_spi_serial_bus)}, @@ -263,6 +268,11 @@ struct acpi_rsconvert_info acpi_rs_convert_spi_serial_bus[20] = { AML_OFFSET(common_serial_bus.flags), 1}, + {ACPI_RSC_1BITFLAG, + ACPI_RS_OFFSET(data.common_serial_bus.connection_sharing), + AML_OFFSET(common_serial_bus.flags), + 2}, + {ACPI_RSC_MOVE8, ACPI_RS_OFFSET(data.common_serial_bus.type_revision_id), AML_OFFSET(common_serial_bus.type_revision_id), @@ -339,7 +349,7 @@ struct acpi_rsconvert_info acpi_rs_convert_spi_serial_bus[20] = { * ******************************************************************************/ -struct acpi_rsconvert_info acpi_rs_convert_uart_serial_bus[22] = { +struct acpi_rsconvert_info acpi_rs_convert_uart_serial_bus[23] = { {ACPI_RSC_INITGET, ACPI_RESOURCE_TYPE_SERIAL_BUS, ACPI_RS_SIZE(struct acpi_resource_uart_serialbus), ACPI_RSC_TABLE_SIZE(acpi_rs_convert_uart_serial_bus)}, @@ -365,6 +375,11 @@ struct acpi_rsconvert_info acpi_rs_convert_uart_serial_bus[22] = { AML_OFFSET(common_serial_bus.flags), 1}, + {ACPI_RSC_1BITFLAG, + ACPI_RS_OFFSET(data.common_serial_bus.connection_sharing), + AML_OFFSET(common_serial_bus.flags), + 2}, + {ACPI_RSC_MOVE8, ACPI_RS_OFFSET(data.common_serial_bus.type_revision_id), AML_OFFSET(common_serial_bus.type_revision_id), diff --git a/drivers/acpi/acpica/rsutils.c b/drivers/acpi/acpica/rsutils.c index cf06e49cd91c..fa491c64c040 100644 --- a/drivers/acpi/acpica/rsutils.c +++ b/drivers/acpi/acpica/rsutils.c @@ -338,7 +338,7 @@ acpi_rs_get_resource_source(acpi_rs_length resource_length, * Note: Some resource descriptors will have an additional null, so * we add 1 to the minimum length. */ - if (total_length > (acpi_rsdesc_size) (minimum_length + 1)) { + if (total_length > (acpi_rsdesc_size)(minimum_length + 1)) { /* Get the resource_source_index */ @@ -377,7 +377,7 @@ acpi_rs_get_resource_source(acpi_rs_length resource_length, ACPI_CAST_PTR(char, &aml_resource_source[1])); - return ((acpi_rs_length) total_length); + return ((acpi_rs_length)total_length); } /* resource_source is not present */ @@ -406,9 +406,9 @@ acpi_rs_get_resource_source(acpi_rs_length resource_length, ******************************************************************************/ acpi_rsdesc_size -acpi_rs_set_resource_source(union aml_resource * aml, +acpi_rs_set_resource_source(union aml_resource *aml, acpi_rs_length minimum_length, - struct acpi_resource_source * resource_source) + struct acpi_resource_source *resource_source) { u8 *aml_resource_source; acpi_rsdesc_size descriptor_length; @@ -466,8 +466,8 @@ acpi_rs_set_resource_source(union aml_resource * aml, ******************************************************************************/ acpi_status -acpi_rs_get_prt_method_data(struct acpi_namespace_node * node, - struct acpi_buffer * ret_buffer) +acpi_rs_get_prt_method_data(struct acpi_namespace_node *node, + struct acpi_buffer *ret_buffer) { union acpi_operand_object *obj_desc; acpi_status status; @@ -671,7 +671,7 @@ acpi_rs_get_aei_method_data(struct acpi_namespace_node *node, acpi_status acpi_rs_get_method_data(acpi_handle handle, - char *path, struct acpi_buffer *ret_buffer) + const char *path, struct acpi_buffer *ret_buffer) { union acpi_operand_object *obj_desc; acpi_status status; diff --git a/drivers/acpi/acpica/rsxface.c b/drivers/acpi/acpica/rsxface.c index 900933be9909..465ed8137167 100644 --- a/drivers/acpi/acpica/rsxface.c +++ b/drivers/acpi/acpica/rsxface.c @@ -433,8 +433,8 @@ ACPI_EXPORT_SYMBOL(acpi_resource_to_address64) acpi_status acpi_get_vendor_resource(acpi_handle device_handle, char *name, - struct acpi_vendor_uuid * uuid, - struct acpi_buffer * ret_buffer) + struct acpi_vendor_uuid *uuid, + struct acpi_buffer *ret_buffer) { struct acpi_vendor_walk_info info; acpi_status status; @@ -539,7 +539,7 @@ acpi_rs_match_vendor_resource(struct acpi_resource *resource, void *context) ******************************************************************************/ acpi_status -acpi_walk_resource_buffer(struct acpi_buffer * buffer, +acpi_walk_resource_buffer(struct acpi_buffer *buffer, acpi_walk_resource_callback user_function, void *context) { diff --git a/drivers/acpi/acpica/tbdata.c b/drivers/acpi/acpica/tbdata.c index 7da79ce74080..1388a19e5db8 100644 --- a/drivers/acpi/acpica/tbdata.c +++ b/drivers/acpi/acpica/tbdata.c @@ -368,7 +368,7 @@ acpi_status acpi_tb_validate_temp_table(struct acpi_table_desc *table_desc) *****************************************************************************/ acpi_status -acpi_tb_verify_temp_table(struct acpi_table_desc * table_desc, char *signature) +acpi_tb_verify_temp_table(struct acpi_table_desc *table_desc, char *signature) { acpi_status status = AE_OK; @@ -401,9 +401,9 @@ acpi_tb_verify_temp_table(struct acpi_table_desc * table_desc, char *signature) ACPI_EXCEPTION((AE_INFO, AE_NO_MEMORY, "%4.4s 0x%8.8X%8.8X" " Attempted table install failed", - acpi_ut_valid_acpi_name(table_desc-> - signature. - ascii) ? + acpi_ut_valid_nameseg(table_desc-> + signature. + ascii) ? table_desc->signature.ascii : "????", ACPI_FORMAT_UINT64(table_desc-> address))); @@ -454,7 +454,7 @@ acpi_status acpi_tb_resize_root_table_list(void) table_count = acpi_gbl_root_table_list.current_table_count; } - tables = ACPI_ALLOCATE_ZEROED(((acpi_size) table_count + + tables = ACPI_ALLOCATE_ZEROED(((acpi_size)table_count + ACPI_ROOT_TABLE_SIZE_INCREMENT) * sizeof(struct acpi_table_desc)); if (!tables) { @@ -467,8 +467,7 @@ acpi_status acpi_tb_resize_root_table_list(void) if (acpi_gbl_root_table_list.tables) { memcpy(tables, acpi_gbl_root_table_list.tables, - (acpi_size) table_count * - sizeof(struct acpi_table_desc)); + (acpi_size)table_count * sizeof(struct acpi_table_desc)); if (acpi_gbl_root_table_list.flags & ACPI_ROOT_ORIGIN_ALLOCATED) { ACPI_FREE(acpi_gbl_root_table_list.tables); @@ -701,7 +700,7 @@ acpi_status acpi_tb_release_owner_id(u32 table_index) * ******************************************************************************/ -acpi_status acpi_tb_get_owner_id(u32 table_index, acpi_owner_id * owner_id) +acpi_status acpi_tb_get_owner_id(u32 table_index, acpi_owner_id *owner_id) { acpi_status status = AE_BAD_PARAMETER; diff --git a/drivers/acpi/acpica/tbfadt.c b/drivers/acpi/acpica/tbfadt.c index a79e4f30b530..620806965243 100644 --- a/drivers/acpi/acpica/tbfadt.c +++ b/drivers/acpi/acpica/tbfadt.c @@ -53,7 +53,7 @@ static void acpi_tb_init_generic_address(struct acpi_generic_address *generic_address, u8 space_id, u8 byte_width, - u64 address, char *register_name, u8 flags); + u64 address, const char *register_name, u8 flags); static void acpi_tb_convert_fadt(void); @@ -65,7 +65,7 @@ acpi_tb_select_address(char *register_name, u32 address32, u64 address64); /* Table for conversion of FADT to common internal format and FADT validation */ typedef struct acpi_fadt_info { - char *name; + const char *name; u16 address64; u16 address32; u16 length; @@ -192,7 +192,7 @@ static void acpi_tb_init_generic_address(struct acpi_generic_address *generic_address, u8 space_id, u8 byte_width, - u64 address, char *register_name, u8 flags) + u64 address, const char *register_name, u8 flags) { u8 bit_width; @@ -344,7 +344,7 @@ void acpi_tb_parse_fadt(void) /* Obtain the DSDT and FACS tables via their addresses within the FADT */ - acpi_tb_install_fixed_table((acpi_physical_address) acpi_gbl_FADT.Xdsdt, + acpi_tb_install_fixed_table((acpi_physical_address)acpi_gbl_FADT.Xdsdt, ACPI_SIG_DSDT, &acpi_gbl_dsdt_index); /* If Hardware Reduced flag is set, there is no FACS */ @@ -385,14 +385,15 @@ void acpi_tb_create_local_fadt(struct acpi_table_header *table, u32 length) { /* * Check if the FADT is larger than the largest table that we expect - * (the ACPI 5.0 version). If so, truncate the table, and issue - * a warning. + * (typically the current ACPI specification version). If so, truncate + * the table, and issue a warning. */ if (length > sizeof(struct acpi_table_fadt)) { ACPI_BIOS_WARNING((AE_INFO, - "FADT (revision %u) is longer than ACPI 5.0 version, " + "FADT (revision %u) is longer than %s length, " "truncating length %u to %u", - table->revision, length, + table->revision, ACPI_FADT_CONFORMANCE, + length, (u32)sizeof(struct acpi_table_fadt))); } @@ -467,7 +468,7 @@ void acpi_tb_create_local_fadt(struct acpi_table_header *table, u32 length) static void acpi_tb_convert_fadt(void) { - char *name; + const char *name; struct acpi_generic_address *address64; u32 address32; u8 length; @@ -646,9 +647,12 @@ static void acpi_tb_convert_fadt(void) if ((address64->address && !length) || (!address64->address && length)) { ACPI_BIOS_WARNING((AE_INFO, - "Optional FADT field %s has zero address or length: " - "0x%8.8X%8.8X/0x%X", - name, + "Optional FADT field %s has valid %s but zero %s: " + "0x%8.8X%8.8X/0x%X", name, + (length ? "Length" : + "Address"), + (length ? "Address" : + "Length"), ACPI_FORMAT_UINT64 (address64->address), length)); diff --git a/drivers/acpi/acpica/tbfind.c b/drivers/acpi/acpica/tbfind.c index f2d08034630e..e348d616e60f 100644 --- a/drivers/acpi/acpica/tbfind.c +++ b/drivers/acpi/acpica/tbfind.c @@ -76,7 +76,7 @@ acpi_tb_find_table(char *signature, /* Validate the input table signature */ - if (!acpi_is_valid_signature(signature)) { + if (!acpi_ut_valid_nameseg(signature)) { return_ACPI_STATUS(AE_BAD_SIGNATURE); } diff --git a/drivers/acpi/acpica/tbinstal.c b/drivers/acpi/acpica/tbinstal.c index 4dc6108de4ff..8b13052128fc 100644 --- a/drivers/acpi/acpica/tbinstal.c +++ b/drivers/acpi/acpica/tbinstal.c @@ -299,9 +299,9 @@ acpi_tb_install_standard_table(acpi_physical_address address, ACPI_BIOS_ERROR((AE_INFO, "Table has invalid signature [%4.4s] (0x%8.8X), " "must be SSDT or OEMx", - acpi_ut_valid_acpi_name(new_table_desc. - signature. - ascii) ? + acpi_ut_valid_nameseg(new_table_desc. + signature. + ascii) ? new_table_desc.signature. ascii : "????", new_table_desc.signature.integer)); diff --git a/drivers/acpi/acpica/tbutils.c b/drivers/acpi/acpica/tbutils.c index 9240c76d2823..e28553914bf5 100644 --- a/drivers/acpi/acpica/tbutils.c +++ b/drivers/acpi/acpica/tbutils.c @@ -231,7 +231,7 @@ acpi_tb_get_root_table_entry(u8 *table_entry, u32 table_entry_size) ACPI_FORMAT_UINT64(address64))); } #endif - return ((acpi_physical_address) (address64)); + return ((acpi_physical_address)(address64)); } } @@ -287,12 +287,12 @@ acpi_status __init acpi_tb_parse_root_table(acpi_physical_address rsdp_address) * the XSDT if the revision is > 1 and the XSDT pointer is present, * as per the ACPI specification. */ - address = (acpi_physical_address) rsdp->xsdt_physical_address; + address = (acpi_physical_address)rsdp->xsdt_physical_address; table_entry_size = ACPI_XSDT_ENTRY_SIZE; } else { /* Root table is an RSDT (32-bit physical addresses) */ - address = (acpi_physical_address) rsdp->rsdt_physical_address; + address = (acpi_physical_address)rsdp->rsdt_physical_address; table_entry_size = ACPI_RSDT_ENTRY_SIZE; } @@ -380,30 +380,3 @@ next_table: acpi_os_unmap_memory(table, length); return_ACPI_STATUS(AE_OK); } - -/******************************************************************************* - * - * FUNCTION: acpi_is_valid_signature - * - * PARAMETERS: signature - Sig string to be validated - * - * RETURN: TRUE if signature is has 4 valid ACPI characters - * - * DESCRIPTION: Validate an ACPI table signature. - * - ******************************************************************************/ - -u8 acpi_is_valid_signature(char *signature) -{ - u32 i; - - /* Validate each character in the signature */ - - for (i = 0; i < ACPI_NAME_SIZE; i++) { - if (!acpi_ut_valid_acpi_char(signature[i], i)) { - return (FALSE); - } - } - - return (TRUE); -} diff --git a/drivers/acpi/acpica/tbxface.c b/drivers/acpi/acpica/tbxface.c index 326df65decef..3ecec937e8c9 100644 --- a/drivers/acpi/acpica/tbxface.c +++ b/drivers/acpi/acpica/tbxface.c @@ -99,7 +99,7 @@ acpi_status acpi_allocate_root_table(u32 initial_table_count) ******************************************************************************/ acpi_status __init -acpi_initialize_tables(struct acpi_table_desc * initial_table_array, +acpi_initialize_tables(struct acpi_table_desc *initial_table_array, u32 initial_table_count, u8 allow_resize) { acpi_physical_address rsdp_address; @@ -120,7 +120,7 @@ acpi_initialize_tables(struct acpi_table_desc * initial_table_array, /* Root Table Array has been statically allocated by the host */ memset(initial_table_array, 0, - (acpi_size) initial_table_count * + (acpi_size)initial_table_count * sizeof(struct acpi_table_desc)); acpi_gbl_root_table_list.tables = initial_table_array; @@ -352,7 +352,7 @@ ACPI_EXPORT_SYMBOL(acpi_get_table) * ******************************************************************************/ acpi_status -acpi_get_table_by_index(u32 table_index, struct acpi_table_header ** table) +acpi_get_table_by_index(u32 table_index, struct acpi_table_header **table) { acpi_status status; diff --git a/drivers/acpi/acpica/tbxfload.c b/drivers/acpi/acpica/tbxfload.c index 3151968c10d1..ac71abcd32bb 100644 --- a/drivers/acpi/acpica/tbxfload.c +++ b/drivers/acpi/acpica/tbxfload.c @@ -82,7 +82,7 @@ acpi_status __init acpi_load_tables(void) * their customized default region handlers. */ status = acpi_ev_install_region_handlers(); - if (ACPI_FAILURE(status) && status != AE_ALREADY_EXISTS) { + if (ACPI_FAILURE(status)) { ACPI_EXCEPTION((AE_INFO, status, "During Region initialization")); return_ACPI_STATUS(status); diff --git a/drivers/acpi/acpica/tbxfroot.c b/drivers/acpi/acpica/tbxfroot.c index b9a78e457d19..adb6cfc54661 100644 --- a/drivers/acpi/acpica/tbxfroot.c +++ b/drivers/acpi/acpica/tbxfroot.c @@ -90,7 +90,7 @@ u32 acpi_tb_get_rsdp_length(struct acpi_table_rsdp *rsdp) * ******************************************************************************/ -acpi_status acpi_tb_validate_rsdp(struct acpi_table_rsdp * rsdp) +acpi_status acpi_tb_validate_rsdp(struct acpi_table_rsdp *rsdp) { /* @@ -142,7 +142,7 @@ acpi_status acpi_tb_validate_rsdp(struct acpi_table_rsdp * rsdp) * ******************************************************************************/ -acpi_status __init acpi_find_root_pointer(acpi_physical_address * table_address) +acpi_status __init acpi_find_root_pointer(acpi_physical_address *table_address) { u8 *table_ptr; u8 *mem_rover; @@ -201,7 +201,7 @@ acpi_status __init acpi_find_root_pointer(acpi_physical_address * table_address) (u32) ACPI_PTR_DIFF(mem_rover, table_ptr); *table_address = - (acpi_physical_address) physical_address; + (acpi_physical_address)physical_address; return_ACPI_STATUS(AE_OK); } } @@ -234,7 +234,7 @@ acpi_status __init acpi_find_root_pointer(acpi_physical_address * table_address) (ACPI_HI_RSDP_WINDOW_BASE + ACPI_PTR_DIFF(mem_rover, table_ptr)); - *table_address = (acpi_physical_address) physical_address; + *table_address = (acpi_physical_address)physical_address; return_ACPI_STATUS(AE_OK); } diff --git a/drivers/acpi/acpica/utalloc.c b/drivers/acpi/acpica/utalloc.c index 3dbdc3ab8b78..13324a27b99b 100644 --- a/drivers/acpi/acpica/utalloc.c +++ b/drivers/acpi/acpica/utalloc.c @@ -231,7 +231,7 @@ acpi_status acpi_ut_delete_caches(void) * ******************************************************************************/ -acpi_status acpi_ut_validate_buffer(struct acpi_buffer * buffer) +acpi_status acpi_ut_validate_buffer(struct acpi_buffer *buffer) { /* Obviously, the structure pointer must be valid */ @@ -272,8 +272,7 @@ acpi_status acpi_ut_validate_buffer(struct acpi_buffer * buffer) ******************************************************************************/ acpi_status -acpi_ut_initialize_buffer(struct acpi_buffer * buffer, - acpi_size required_length) +acpi_ut_initialize_buffer(struct acpi_buffer *buffer, acpi_size required_length) { acpi_size input_buffer_length; diff --git a/drivers/acpi/acpica/utascii.c b/drivers/acpi/acpica/utascii.c new file mode 100644 index 000000000000..706c1f346490 --- /dev/null +++ b/drivers/acpi/acpica/utascii.c @@ -0,0 +1,140 @@ +/****************************************************************************** + * + * Module Name: utascii - Utility ascii functions + * + *****************************************************************************/ + +/* + * Copyright (C) 2000 - 2016, Intel Corp. + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions, and the following disclaimer, + * without modification. + * 2. Redistributions in binary form must reproduce at minimum a disclaimer + * substantially similar to the "NO WARRANTY" disclaimer below + * ("Disclaimer") and any redistribution must be conditioned upon + * including a substantially similar Disclaimer requirement for further + * binary redistribution. + * 3. Neither the names of the above-listed copyright holders nor the names + * of any contributors may be used to endorse or promote products derived + * from this software without specific prior written permission. + * + * Alternatively, this software may be distributed under the terms of the + * GNU General Public License ("GPL") version 2 as published by the Free + * Software Foundation. + * + * NO WARRANTY + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS + * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT + * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR + * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT + * HOLDERS OR CONTRIBUTORS BE LIABLE FOR SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS + * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, + * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING + * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE + * POSSIBILITY OF SUCH DAMAGES. + */ + +#include <acpi/acpi.h> +#include "accommon.h" + +/******************************************************************************* + * + * FUNCTION: acpi_ut_valid_nameseg + * + * PARAMETERS: name - The name or table signature to be examined. + * Four characters, does not have to be a + * NULL terminated string. + * + * RETURN: TRUE if signature is has 4 valid ACPI characters + * + * DESCRIPTION: Validate an ACPI table signature. + * + ******************************************************************************/ + +u8 acpi_ut_valid_nameseg(char *name) +{ + u32 i; + + /* Validate each character in the signature */ + + for (i = 0; i < ACPI_NAME_SIZE; i++) { + if (!acpi_ut_valid_name_char(name[i], i)) { + return (FALSE); + } + } + + return (TRUE); +} + +/******************************************************************************* + * + * FUNCTION: acpi_ut_valid_name_char + * + * PARAMETERS: char - The character to be examined + * position - Byte position (0-3) + * + * RETURN: TRUE if the character is valid, FALSE otherwise + * + * DESCRIPTION: Check for a valid ACPI character. Must be one of: + * 1) Upper case alpha + * 2) numeric + * 3) underscore + * + * We allow a '!' as the last character because of the ASF! table + * + ******************************************************************************/ + +u8 acpi_ut_valid_name_char(char character, u32 position) +{ + + if (!((character >= 'A' && character <= 'Z') || + (character >= '0' && character <= '9') || (character == '_'))) { + + /* Allow a '!' in the last position */ + + if (character == '!' && position == 3) { + return (TRUE); + } + + return (FALSE); + } + + return (TRUE); +} + +/******************************************************************************* + * + * FUNCTION: acpi_ut_check_and_repair_ascii + * + * PARAMETERS: name - Ascii string + * count - Number of characters to check + * + * RETURN: None + * + * DESCRIPTION: Ensure that the requested number of characters are printable + * Ascii characters. Sets non-printable and null chars to <space>. + * + ******************************************************************************/ + +void acpi_ut_check_and_repair_ascii(u8 *name, char *repaired_name, u32 count) +{ + u32 i; + + for (i = 0; i < count; i++) { + repaired_name[i] = (char)name[i]; + + if (!name[i]) { + return; + } + if (!isprint(name[i])) { + repaired_name[i] = ' '; + } + } +} diff --git a/drivers/acpi/acpica/utbuffer.c b/drivers/acpi/acpica/utbuffer.c index 0cfb2b8edad5..bd31faf5da7c 100644 --- a/drivers/acpi/acpica/utbuffer.c +++ b/drivers/acpi/acpica/utbuffer.c @@ -106,31 +106,31 @@ void acpi_ut_dump_buffer(u8 *buffer, u32 count, u32 display, u32 base_offset) default: /* Default is BYTE display */ acpi_os_printf("%02X ", - buffer[(acpi_size) i + j]); + buffer[(acpi_size)i + j]); break; case DB_WORD_DISPLAY: ACPI_MOVE_16_TO_32(&temp32, - &buffer[(acpi_size) i + j]); + &buffer[(acpi_size)i + j]); acpi_os_printf("%04X ", temp32); break; case DB_DWORD_DISPLAY: ACPI_MOVE_32_TO_32(&temp32, - &buffer[(acpi_size) i + j]); + &buffer[(acpi_size)i + j]); acpi_os_printf("%08X ", temp32); break; case DB_QWORD_DISPLAY: ACPI_MOVE_32_TO_32(&temp32, - &buffer[(acpi_size) i + j]); + &buffer[(acpi_size)i + j]); acpi_os_printf("%08X", temp32); ACPI_MOVE_32_TO_32(&temp32, - &buffer[(acpi_size) i + j + + &buffer[(acpi_size)i + j + 4]); acpi_os_printf("%08X ", temp32); break; @@ -158,7 +158,7 @@ void acpi_ut_dump_buffer(u8 *buffer, u32 count, u32 display, u32 base_offset) acpi_os_printf("// "); } - buf_char = buffer[(acpi_size) i + j]; + buf_char = buffer[(acpi_size)i + j]; if (isprint(buf_char)) { acpi_os_printf("%c", buf_char); } else { @@ -274,31 +274,31 @@ acpi_ut_dump_buffer_to_file(ACPI_FILE file, default: /* Default is BYTE display */ acpi_ut_file_printf(file, "%02X ", - buffer[(acpi_size) i + j]); + buffer[(acpi_size)i + j]); break; case DB_WORD_DISPLAY: ACPI_MOVE_16_TO_32(&temp32, - &buffer[(acpi_size) i + j]); + &buffer[(acpi_size)i + j]); acpi_ut_file_printf(file, "%04X ", temp32); break; case DB_DWORD_DISPLAY: ACPI_MOVE_32_TO_32(&temp32, - &buffer[(acpi_size) i + j]); + &buffer[(acpi_size)i + j]); acpi_ut_file_printf(file, "%08X ", temp32); break; case DB_QWORD_DISPLAY: ACPI_MOVE_32_TO_32(&temp32, - &buffer[(acpi_size) i + j]); + &buffer[(acpi_size)i + j]); acpi_ut_file_printf(file, "%08X", temp32); ACPI_MOVE_32_TO_32(&temp32, - &buffer[(acpi_size) i + j + + &buffer[(acpi_size)i + j + 4]); acpi_ut_file_printf(file, "%08X ", temp32); break; @@ -318,7 +318,7 @@ acpi_ut_dump_buffer_to_file(ACPI_FILE file, return; } - buf_char = buffer[(acpi_size) i + j]; + buf_char = buffer[(acpi_size)i + j]; if (isprint(buf_char)) { acpi_ut_file_printf(file, "%c", buf_char); } else { diff --git a/drivers/acpi/acpica/utcache.c b/drivers/acpi/acpica/utcache.c index f8e9978888e1..3b8d23ef351f 100644 --- a/drivers/acpi/acpica/utcache.c +++ b/drivers/acpi/acpica/utcache.c @@ -105,7 +105,7 @@ acpi_os_create_cache(char *cache_name, * ******************************************************************************/ -acpi_status acpi_os_purge_cache(struct acpi_memory_list * cache) +acpi_status acpi_os_purge_cache(struct acpi_memory_list *cache) { void *next; acpi_status status; @@ -151,7 +151,7 @@ acpi_status acpi_os_purge_cache(struct acpi_memory_list * cache) * ******************************************************************************/ -acpi_status acpi_os_delete_cache(struct acpi_memory_list * cache) +acpi_status acpi_os_delete_cache(struct acpi_memory_list *cache) { acpi_status status; @@ -184,8 +184,7 @@ acpi_status acpi_os_delete_cache(struct acpi_memory_list * cache) * ******************************************************************************/ -acpi_status -acpi_os_release_object(struct acpi_memory_list * cache, void *object) +acpi_status acpi_os_release_object(struct acpi_memory_list *cache, void *object) { acpi_status status; diff --git a/drivers/acpi/acpica/utcopy.c b/drivers/acpi/acpica/utcopy.c index 98d53e59ce55..82f971402d85 100644 --- a/drivers/acpi/acpica/utcopy.c +++ b/drivers/acpi/acpica/utcopy.c @@ -53,7 +53,7 @@ ACPI_MODULE_NAME("utcopy") static acpi_status acpi_ut_copy_isimple_to_esimple(union acpi_operand_object *internal_object, union acpi_object *external_object, - u8 * data_space, acpi_size * buffer_space_used); + u8 *data_space, acpi_size *buffer_space_used); static acpi_status acpi_ut_copy_ielement_to_ielement(u8 object_type, @@ -63,7 +63,7 @@ acpi_ut_copy_ielement_to_ielement(u8 object_type, static acpi_status acpi_ut_copy_ipackage_to_epackage(union acpi_operand_object *internal_object, - u8 * buffer, acpi_size * space_used); + u8 *buffer, acpi_size *space_used); static acpi_status acpi_ut_copy_esimple_to_isimple(union acpi_object *user_obj, @@ -111,7 +111,7 @@ acpi_ut_copy_ipackage_to_ipackage(union acpi_operand_object *source_obj, static acpi_status acpi_ut_copy_isimple_to_esimple(union acpi_operand_object *internal_object, union acpi_object *external_object, - u8 * data_space, acpi_size * buffer_space_used) + u8 *data_space, acpi_size *buffer_space_used) { acpi_status status = AE_OK; @@ -151,7 +151,7 @@ acpi_ut_copy_isimple_to_esimple(union acpi_operand_object *internal_object, memcpy((void *)data_space, (void *)internal_object->string.pointer, - (acpi_size) internal_object->string.length + 1); + (acpi_size)internal_object->string.length + 1); break; case ACPI_TYPE_BUFFER: @@ -331,7 +331,7 @@ acpi_ut_copy_ielement_to_eelement(u8 object_type, static acpi_status acpi_ut_copy_ipackage_to_epackage(union acpi_operand_object *internal_object, - u8 * buffer, acpi_size * space_used) + u8 *buffer, acpi_size *space_used) { union acpi_object *external_object; acpi_status status; @@ -362,7 +362,7 @@ acpi_ut_copy_ipackage_to_epackage(union acpi_operand_object *internal_object, * Leave room for an array of ACPI_OBJECTS in the buffer * and move the free space past it */ - info.length += (acpi_size) external_object->package.count * + info.length += (acpi_size)external_object->package.count * ACPI_ROUND_UP_TO_NATIVE_WORD(sizeof(union acpi_object)); info.free_space += external_object->package.count * ACPI_ROUND_UP_TO_NATIVE_WORD(sizeof(union acpi_object)); @@ -738,7 +738,7 @@ acpi_ut_copy_simple_object(union acpi_operand_object *source_desc, */ if (source_desc->string.pointer) { dest_desc->string.pointer = - ACPI_ALLOCATE((acpi_size) source_desc->string. + ACPI_ALLOCATE((acpi_size)source_desc->string. length + 1); if (!dest_desc->string.pointer) { return (AE_NO_MEMORY); @@ -748,7 +748,7 @@ acpi_ut_copy_simple_object(union acpi_operand_object *source_desc, memcpy(dest_desc->string.pointer, source_desc->string.pointer, - (acpi_size) source_desc->string.length + 1); + (acpi_size)source_desc->string.length + 1); } break; diff --git a/drivers/acpi/acpica/utdebug.c b/drivers/acpi/acpica/utdebug.c index 1cfc5f69b033..574422205005 100644 --- a/drivers/acpi/acpica/utdebug.c +++ b/drivers/acpi/acpica/utdebug.c @@ -51,13 +51,9 @@ ACPI_MODULE_NAME("utdebug") #ifdef ACPI_DEBUG_OUTPUT -static acpi_thread_id acpi_gbl_prev_thread_id = (acpi_thread_id) 0xFFFFFFFF; -static char *acpi_gbl_fn_entry_str = "----Entry"; -static char *acpi_gbl_fn_exit_str = "----Exit-"; - -/* Local prototypes */ - -static const char *acpi_ut_trim_function_name(const char *function_name); +static acpi_thread_id acpi_gbl_previous_thread_id = (acpi_thread_id) 0xFFFFFFFF; +static const char *acpi_gbl_function_entry_prefix = "----Entry"; +static const char *acpi_gbl_function_exit_prefix = "----Exit-"; /******************************************************************************* * @@ -178,14 +174,14 @@ acpi_debug_print(u32 requested_debug_level, * Thread tracking and context switch notification */ thread_id = acpi_os_get_thread_id(); - if (thread_id != acpi_gbl_prev_thread_id) { + if (thread_id != acpi_gbl_previous_thread_id) { if (ACPI_LV_THREADS & acpi_dbg_level) { acpi_os_printf ("\n**** Context Switch from TID %u to TID %u ****\n\n", - (u32)acpi_gbl_prev_thread_id, (u32)thread_id); + (u32)acpi_gbl_previous_thread_id, (u32)thread_id); } - acpi_gbl_prev_thread_id = thread_id; + acpi_gbl_previous_thread_id = thread_id; acpi_gbl_nesting_level = 0; } @@ -287,7 +283,8 @@ acpi_ut_trace(u32 line_number, if (ACPI_IS_DEBUG_ENABLED(ACPI_LV_FUNCTIONS, component_id)) { acpi_debug_print(ACPI_LV_FUNCTIONS, line_number, function_name, module_name, - component_id, "%s\n", acpi_gbl_fn_entry_str); + component_id, "%s\n", + acpi_gbl_function_entry_prefix); } } @@ -312,7 +309,8 @@ ACPI_EXPORT_SYMBOL(acpi_ut_trace) void acpi_ut_trace_ptr(u32 line_number, const char *function_name, - const char *module_name, u32 component_id, void *pointer) + const char *module_name, + u32 component_id, const void *pointer) { acpi_gbl_nesting_level++; @@ -323,8 +321,8 @@ acpi_ut_trace_ptr(u32 line_number, if (ACPI_IS_DEBUG_ENABLED(ACPI_LV_FUNCTIONS, component_id)) { acpi_debug_print(ACPI_LV_FUNCTIONS, line_number, function_name, module_name, - component_id, "%s %p\n", acpi_gbl_fn_entry_str, - pointer); + component_id, "%s %p\n", + acpi_gbl_function_entry_prefix, pointer); } } @@ -348,7 +346,7 @@ acpi_ut_trace_ptr(u32 line_number, void acpi_ut_trace_str(u32 line_number, const char *function_name, - const char *module_name, u32 component_id, char *string) + const char *module_name, u32 component_id, const char *string) { acpi_gbl_nesting_level++; @@ -359,8 +357,8 @@ acpi_ut_trace_str(u32 line_number, if (ACPI_IS_DEBUG_ENABLED(ACPI_LV_FUNCTIONS, component_id)) { acpi_debug_print(ACPI_LV_FUNCTIONS, line_number, function_name, module_name, - component_id, "%s %s\n", acpi_gbl_fn_entry_str, - string); + component_id, "%s %s\n", + acpi_gbl_function_entry_prefix, string); } } @@ -396,7 +394,7 @@ acpi_ut_trace_u32(u32 line_number, acpi_debug_print(ACPI_LV_FUNCTIONS, line_number, function_name, module_name, component_id, "%s %08X\n", - acpi_gbl_fn_entry_str, integer); + acpi_gbl_function_entry_prefix, integer); } } @@ -427,7 +425,8 @@ acpi_ut_exit(u32 line_number, if (ACPI_IS_DEBUG_ENABLED(ACPI_LV_FUNCTIONS, component_id)) { acpi_debug_print(ACPI_LV_FUNCTIONS, line_number, function_name, module_name, - component_id, "%s\n", acpi_gbl_fn_exit_str); + component_id, "%s\n", + acpi_gbl_function_exit_prefix); } if (acpi_gbl_nesting_level) { @@ -467,14 +466,14 @@ acpi_ut_status_exit(u32 line_number, acpi_debug_print(ACPI_LV_FUNCTIONS, line_number, function_name, module_name, component_id, "%s %s\n", - acpi_gbl_fn_exit_str, + acpi_gbl_function_exit_prefix, acpi_format_exception(status)); } else { acpi_debug_print(ACPI_LV_FUNCTIONS, line_number, function_name, module_name, component_id, "%s ****Exception****: %s\n", - acpi_gbl_fn_exit_str, + acpi_gbl_function_exit_prefix, acpi_format_exception(status)); } } @@ -514,7 +513,7 @@ acpi_ut_value_exit(u32 line_number, acpi_debug_print(ACPI_LV_FUNCTIONS, line_number, function_name, module_name, component_id, "%s %8.8X%8.8X\n", - acpi_gbl_fn_exit_str, + acpi_gbl_function_exit_prefix, ACPI_FORMAT_UINT64(value)); } @@ -552,8 +551,8 @@ acpi_ut_ptr_exit(u32 line_number, if (ACPI_IS_DEBUG_ENABLED(ACPI_LV_FUNCTIONS, component_id)) { acpi_debug_print(ACPI_LV_FUNCTIONS, line_number, function_name, module_name, - component_id, "%s %p\n", acpi_gbl_fn_exit_str, - ptr); + component_id, "%s %p\n", + acpi_gbl_function_exit_prefix, ptr); } if (acpi_gbl_nesting_level) { diff --git a/drivers/acpi/acpica/utdecode.c b/drivers/acpi/acpica/utdecode.c index 6ba65b02550c..efd7988e34cb 100644 --- a/drivers/acpi/acpica/utdecode.c +++ b/drivers/acpi/acpica/utdecode.c @@ -446,7 +446,7 @@ const char *acpi_ut_get_mutex_name(u32 mutex_id) /* Names for Notify() values, used for debug output */ -static const char *acpi_gbl_generic_notify[ACPI_NOTIFY_MAX + 1] = { +static const char *acpi_gbl_generic_notify[ACPI_GENERIC_NOTIFY_MAX + 1] = { /* 00 */ "Bus Check", /* 01 */ "Device Check", /* 02 */ "Device Wake", @@ -459,49 +459,53 @@ static const char *acpi_gbl_generic_notify[ACPI_NOTIFY_MAX + 1] = { /* 09 */ "Device PLD Check", /* 0A */ "Reserved", /* 0B */ "System Locality Update", - /* 0C */ "Shutdown Request", + /* 0C */ "Shutdown Request", + /* Reserved in ACPI 6.0 */ /* 0D */ "System Resource Affinity Update" }; -static const char *acpi_gbl_device_notify[4] = { +static const char *acpi_gbl_device_notify[5] = { /* 80 */ "Status Change", /* 81 */ "Information Change", /* 82 */ "Device-Specific Change", - /* 83 */ "Device-Specific Change" + /* 83 */ "Device-Specific Change", + /* 84 */ "Reserved" }; -static const char *acpi_gbl_processor_notify[4] = { +static const char *acpi_gbl_processor_notify[5] = { /* 80 */ "Performance Capability Change", /* 81 */ "C-State Change", /* 82 */ "Throttling Capability Change", - /* 83 */ "Device-Specific Change" + /* 83 */ "Guaranteed Change", + /* 84 */ "Minimum Excursion" }; -static const char *acpi_gbl_thermal_notify[4] = { +static const char *acpi_gbl_thermal_notify[5] = { /* 80 */ "Thermal Status Change", /* 81 */ "Thermal Trip Point Change", /* 82 */ "Thermal Device List Change", - /* 83 */ "Thermal Relationship Change" + /* 83 */ "Thermal Relationship Change", + /* 84 */ "Reserved" }; const char *acpi_ut_get_notify_name(u32 notify_value, acpi_object_type type) { - /* 00 - 0D are common to all object types */ + /* 00 - 0D are "common to all object types" (from ACPI Spec) */ - if (notify_value <= ACPI_NOTIFY_MAX) { + if (notify_value <= ACPI_GENERIC_NOTIFY_MAX) { return (acpi_gbl_generic_notify[notify_value]); } - /* 0D - 7F are reserved */ + /* 0E - 7F are reserved */ if (notify_value <= ACPI_MAX_SYS_NOTIFY) { return ("Reserved"); } - /* 80 - 83 are per-object-type */ + /* 80 - 84 are per-object-type */ - if (notify_value <= 0x83) { + if (notify_value <= ACPI_SPECIFIC_NOTIFY_MAX) { switch (type) { case ACPI_TYPE_ANY: case ACPI_TYPE_DEVICE: diff --git a/drivers/acpi/acpica/uteval.c b/drivers/acpi/acpica/uteval.c index 17b9f3e6e1e1..7bad13f2e518 100644 --- a/drivers/acpi/acpica/uteval.c +++ b/drivers/acpi/acpica/uteval.c @@ -69,7 +69,7 @@ ACPI_MODULE_NAME("uteval") acpi_status acpi_ut_evaluate_object(struct acpi_namespace_node *prefix_node, - char *path, + const char *path, u32 expected_return_btypes, union acpi_operand_object **return_desc) { @@ -204,7 +204,7 @@ cleanup: ******************************************************************************/ acpi_status -acpi_ut_evaluate_numeric_object(char *object_name, +acpi_ut_evaluate_numeric_object(const char *object_name, struct acpi_namespace_node *device_node, u64 *value) { diff --git a/drivers/acpi/acpica/utglobal.c b/drivers/acpi/acpica/utglobal.c index 48fffcfe9911..dd3fd7f97f8e 100644 --- a/drivers/acpi/acpica/utglobal.c +++ b/drivers/acpi/acpica/utglobal.c @@ -80,6 +80,11 @@ const char *acpi_gbl_highest_dstate_names[ACPI_NUM_sx_d_METHODS] = { "_S4D" }; +/* Hex-to-ascii */ + +const char acpi_gbl_lower_hex_digits[] = "0123456789abcdef"; +const char acpi_gbl_upper_hex_digits[] = "0123456789ABCDEF"; + /******************************************************************************* * * Namespace globals @@ -221,6 +226,49 @@ struct acpi_fixed_event_info acpi_gbl_fixed_event_info[ACPI_NUM_FIXED_EVENTS] = }; #endif /* !ACPI_REDUCED_HARDWARE */ +#if defined (ACPI_DISASSEMBLER) || defined (ACPI_ASL_COMPILER) + +/* to_pld macro: compile/disassemble strings */ + +const char *acpi_gbl_pld_panel_list[] = { + "TOP", + "BOTTOM", + "LEFT", + "RIGHT", + "FRONT", + "BACK", + "UNKNOWN", + NULL +}; + +const char *acpi_gbl_pld_vertical_position_list[] = { + "UPPER", + "CENTER", + "LOWER", + NULL +}; + +const char *acpi_gbl_pld_horizontal_position_list[] = { + "LEFT", + "CENTER", + "RIGHT", + NULL +}; + +const char *acpi_gbl_pld_shape_list[] = { + "ROUND", + "OVAL", + "SQUARE", + "VERTICALRECTANGLE", + "HORIZONTALRECTANGLE", + "VERTICALTRAPEZOID", + "HORIZONTALTRAPEZOID", + "UNKNOWN", + "CHAMFERED", + NULL +}; +#endif + /* Public globals */ ACPI_EXPORT_SYMBOL(acpi_gbl_FADT) diff --git a/drivers/acpi/acpica/utids.c b/drivers/acpi/acpica/utids.c index 6fb4ec365272..f7cd2d52643b 100644 --- a/drivers/acpi/acpica/utids.c +++ b/drivers/acpi/acpica/utids.c @@ -95,7 +95,7 @@ acpi_ut_execute_HID(struct acpi_namespace_node *device_node, hid = ACPI_ALLOCATE_ZEROED(sizeof(struct acpi_pnp_device_id) + - (acpi_size) length); + (acpi_size)length); if (!hid) { status = AE_NO_MEMORY; goto cleanup; @@ -173,7 +173,7 @@ acpi_ut_execute_UID(struct acpi_namespace_node *device_node, uid = ACPI_ALLOCATE_ZEROED(sizeof(struct acpi_pnp_device_id) + - (acpi_size) length); + (acpi_size)length); if (!uid) { status = AE_NO_MEMORY; goto cleanup; @@ -309,7 +309,7 @@ acpi_ut_execute_CID(struct acpi_namespace_node *device_node, /* Area for CID strings starts after the CID PNP_DEVICE_ID array */ next_id_string = ACPI_CAST_PTR(char, cid_list->ids) + - ((acpi_size) count * sizeof(struct acpi_pnp_device_id)); + ((acpi_size)count * sizeof(struct acpi_pnp_device_id)); /* Copy/convert the CIDs to the return buffer */ @@ -413,7 +413,7 @@ acpi_ut_execute_CLS(struct acpi_namespace_node *device_node, cls = ACPI_ALLOCATE_ZEROED(sizeof(struct acpi_pnp_device_id) + - (acpi_size) length); + (acpi_size)length); if (!cls) { status = AE_NO_MEMORY; goto cleanup; diff --git a/drivers/acpi/acpica/utmath.c b/drivers/acpi/acpica/utmath.c index 667372093de1..2d6530ee7e51 100644 --- a/drivers/acpi/acpica/utmath.c +++ b/drivers/acpi/acpica/utmath.c @@ -236,8 +236,8 @@ acpi_ut_divide(u64 in_dividend, } remainder.full = remainder.full - dividend.full; - remainder.part.hi = (u32) - ((s32) remainder.part.hi); - remainder.part.lo = (u32) - ((s32) remainder.part.lo); + remainder.part.hi = (u32)-((s32)remainder.part.hi); + remainder.part.lo = (u32)-((s32)remainder.part.lo); if (remainder.part.lo) { remainder.part.hi--; diff --git a/drivers/acpi/acpica/utmisc.c b/drivers/acpi/acpica/utmisc.c index d938c27cc6cf..389de3bd1ff1 100644 --- a/drivers/acpi/acpica/utmisc.c +++ b/drivers/acpi/acpica/utmisc.c @@ -361,7 +361,7 @@ acpi_ut_walk_package_tree(union acpi_operand_object *source_object, void acpi_ut_display_init_pathname(u8 type, struct acpi_namespace_node *obj_handle, - char *path) + const char *path) { acpi_status status; struct acpi_buffer buffer; diff --git a/drivers/acpi/acpica/utnonansi.c b/drivers/acpi/acpica/utnonansi.c index d5c3adf19bd0..3465fe2c5a5c 100644 --- a/drivers/acpi/acpica/utnonansi.c +++ b/drivers/acpi/acpica/utnonansi.c @@ -205,37 +205,41 @@ acpi_ut_safe_strncat(char *dest, * * FUNCTION: acpi_ut_strtoul64 * - * PARAMETERS: string - Null terminated string - * base - Radix of the string: 16 or ACPI_ANY_BASE; - * ACPI_ANY_BASE means 'in behalf of to_integer' - * ret_integer - Where the converted integer is returned + * PARAMETERS: string - Null terminated string + * base - Radix of the string: 16 or 10 or + * ACPI_ANY_BASE + * max_integer_byte_width - Maximum allowable integer,in bytes: + * 4 or 8 (32 or 64 bits) + * ret_integer - Where the converted integer is + * returned * * RETURN: Status and Converted value * * DESCRIPTION: Convert a string into an unsigned value. Performs either a - * 32-bit or 64-bit conversion, depending on the current mode - * of the interpreter. + * 32-bit or 64-bit conversion, depending on the input integer + * size (often the current mode of the interpreter). * - * NOTES: acpi_gbl_integer_byte_width should be set to the proper width. + * NOTES: Negative numbers are not supported, as they are not supported + * by ACPI. + * + * acpi_gbl_integer_byte_width should be set to the proper width. * For the core ACPICA code, this width depends on the DSDT - * version. For iASL, the default byte width is always 8. + * version. For iASL, the default byte width is always 8 for the + * parser, but error checking is performed later to flag cases + * where a 64-bit constant is defined in a 32-bit DSDT/SSDT. * * Does not support Octal strings, not needed at this time. * - * There is an earlier version of the function after this one, - * below. It is slightly different than this one, and the two - * may eventually may need to be merged. (01/2016). - * ******************************************************************************/ -acpi_status acpi_ut_strtoul64(char *string, u32 base, u64 *ret_integer) +acpi_status +acpi_ut_strtoul64(char *string, + u32 base, u32 max_integer_byte_width, u64 *ret_integer) { u32 this_digit = 0; u64 return_value = 0; u64 quotient; u64 dividend; - u32 to_integer_op = (base == ACPI_ANY_BASE); - u32 mode32 = (acpi_gbl_integer_byte_width == 4); u8 valid_digits = 0; u8 sign_of0x = 0; u8 term = 0; @@ -244,6 +248,7 @@ acpi_status acpi_ut_strtoul64(char *string, u32 base, u64 *ret_integer) switch (base) { case ACPI_ANY_BASE: + case 10: case 16: break; @@ -265,9 +270,9 @@ acpi_status acpi_ut_strtoul64(char *string, u32 base, u64 *ret_integer) string++; } - if (to_integer_op) { + if (base == ACPI_ANY_BASE) { /* - * Base equal to ACPI_ANY_BASE means 'ToInteger operation case'. + * Base equal to ACPI_ANY_BASE means 'Either decimal or hex'. * We need to determine if it is decimal or hexadecimal. */ if ((*string == '0') && (tolower((int)*(string + 1)) == 'x')) { @@ -284,7 +289,7 @@ acpi_status acpi_ut_strtoul64(char *string, u32 base, u64 *ret_integer) /* Any string left? Check that '0x' is not followed by white space. */ if (!(*string) || isspace((int)*string) || *string == '\t') { - if (to_integer_op) { + if (base == ACPI_ANY_BASE) { goto error_exit; } else { goto all_done; @@ -292,10 +297,11 @@ acpi_status acpi_ut_strtoul64(char *string, u32 base, u64 *ret_integer) } /* - * Perform a 32-bit or 64-bit conversion, depending upon the current - * execution mode of the interpreter + * Perform a 32-bit or 64-bit conversion, depending upon the input + * byte width */ - dividend = (mode32) ? ACPI_UINT32_MAX : ACPI_UINT64_MAX; + dividend = (max_integer_byte_width <= ACPI_MAX32_BYTE_WIDTH) ? + ACPI_UINT32_MAX : ACPI_UINT64_MAX; /* Main loop: convert the string to a 32- or 64-bit integer */ @@ -323,7 +329,7 @@ acpi_status acpi_ut_strtoul64(char *string, u32 base, u64 *ret_integer) } if (term) { - if (to_integer_op) { + if (base == ACPI_ANY_BASE) { goto error_exit; } else { break; @@ -338,12 +344,13 @@ acpi_status acpi_ut_strtoul64(char *string, u32 base, u64 *ret_integer) valid_digits++; - if (sign_of0x - && ((valid_digits > 16) - || ((valid_digits > 8) && mode32))) { + if (sign_of0x && ((valid_digits > 16) || + ((valid_digits > 8) + && (max_integer_byte_width <= + ACPI_MAX32_BYTE_WIDTH)))) { /* * This is to_integer operation case. - * No any restrictions for string-to-integer conversion, + * No restrictions for string-to-integer conversion, * see ACPI spec. */ goto error_exit; @@ -355,7 +362,7 @@ acpi_status acpi_ut_strtoul64(char *string, u32 base, u64 *ret_integer) "ient, NULL); if (return_value > quotient) { - if (to_integer_op) { + if (base == ACPI_ANY_BASE) { goto error_exit; } else { break; @@ -378,7 +385,8 @@ all_done: return_ACPI_STATUS(AE_OK); error_exit: - /* Base was set/validated above */ + + /* Base was set/validated above (10 or 16) */ if (base == 10) { return_ACPI_STATUS(AE_BAD_DECIMAL_CONSTANT); @@ -388,8 +396,7 @@ error_exit: } #ifdef _OBSOLETE_FUNCTIONS -/* TBD: use version in ACPICA main code base? */ -/* DONE: 01/2016 */ +/* Removed: 01/2016 */ /******************************************************************************* * diff --git a/drivers/acpi/acpica/utobject.c b/drivers/acpi/acpica/utobject.c index edad3f043ab9..72b9a062bbab 100644 --- a/drivers/acpi/acpica/utobject.c +++ b/drivers/acpi/acpica/utobject.c @@ -51,11 +51,11 @@ ACPI_MODULE_NAME("utobject") /* Local prototypes */ static acpi_status acpi_ut_get_simple_object_size(union acpi_operand_object *obj, - acpi_size * obj_length); + acpi_size *obj_length); static acpi_status acpi_ut_get_package_object_size(union acpi_operand_object *obj, - acpi_size * obj_length); + acpi_size *obj_length); static acpi_status acpi_ut_get_element_length(u8 object_type, @@ -177,7 +177,7 @@ union acpi_operand_object *acpi_ut_create_package_object(u32 count) * Create the element array. Count+1 allows the array to be null * terminated. */ - package_elements = ACPI_ALLOCATE_ZEROED(((acpi_size) count + + package_elements = ACPI_ALLOCATE_ZEROED(((acpi_size)count + 1) * sizeof(void *)); if (!package_elements) { ACPI_FREE(package_desc); @@ -454,7 +454,7 @@ void acpi_ut_delete_object_desc(union acpi_operand_object *object) static acpi_status acpi_ut_get_simple_object_size(union acpi_operand_object *internal_object, - acpi_size * obj_length) + acpi_size *obj_length) { acpi_size length; acpi_size size; @@ -495,12 +495,12 @@ acpi_ut_get_simple_object_size(union acpi_operand_object *internal_object, switch (internal_object->common.type) { case ACPI_TYPE_STRING: - length += (acpi_size) internal_object->string.length + 1; + length += (acpi_size)internal_object->string.length + 1; break; case ACPI_TYPE_BUFFER: - length += (acpi_size) internal_object->buffer.length; + length += (acpi_size)internal_object->buffer.length; break; case ACPI_TYPE_INTEGER: @@ -640,7 +640,7 @@ acpi_ut_get_element_length(u8 object_type, static acpi_status acpi_ut_get_package_object_size(union acpi_operand_object *internal_object, - acpi_size * obj_length) + acpi_size *obj_length) { acpi_status status; struct acpi_pkg_info info; @@ -665,7 +665,7 @@ acpi_ut_get_package_object_size(union acpi_operand_object *internal_object, */ info.length += ACPI_ROUND_UP_TO_NATIVE_WORD(sizeof(union acpi_object)) * - (acpi_size) info.num_packages; + (acpi_size)info.num_packages; /* Return the total package length */ @@ -689,7 +689,7 @@ acpi_ut_get_package_object_size(union acpi_operand_object *internal_object, acpi_status acpi_ut_get_object_size(union acpi_operand_object *internal_object, - acpi_size * obj_length) + acpi_size *obj_length) { acpi_status status; diff --git a/drivers/acpi/acpica/utosi.c b/drivers/acpi/acpica/utosi.c index b5cfe577fabf..3f5fed670271 100644 --- a/drivers/acpi/acpica/utosi.c +++ b/drivers/acpi/acpica/utosi.c @@ -150,7 +150,7 @@ acpi_status acpi_ut_initialize_interfaces(void) i < (ACPI_ARRAY_LENGTH(acpi_default_supported_interfaces) - 1); i++) { acpi_default_supported_interfaces[i].next = - &acpi_default_supported_interfaces[(acpi_size) i + 1]; + &acpi_default_supported_interfaces[(acpi_size)i + 1]; } acpi_os_release_mutex(acpi_gbl_osi_mutex); @@ -397,7 +397,7 @@ struct acpi_interface_info *acpi_ut_get_interface(acpi_string interface_name) * ******************************************************************************/ -acpi_status acpi_ut_osi_implementation(struct acpi_walk_state * walk_state) +acpi_status acpi_ut_osi_implementation(struct acpi_walk_state *walk_state) { union acpi_operand_object *string_desc; union acpi_operand_object *return_desc; diff --git a/drivers/acpi/acpica/utownerid.c b/drivers/acpi/acpica/utownerid.c index 813520ab8ca4..3cd573c5f7f9 100644 --- a/drivers/acpi/acpica/utownerid.c +++ b/drivers/acpi/acpica/utownerid.c @@ -61,7 +61,7 @@ ACPI_MODULE_NAME("utownerid") * when the method exits or the table is unloaded. * ******************************************************************************/ -acpi_status acpi_ut_allocate_owner_id(acpi_owner_id * owner_id) +acpi_status acpi_ut_allocate_owner_id(acpi_owner_id *owner_id) { u32 i; u32 j; @@ -122,7 +122,7 @@ acpi_status acpi_ut_allocate_owner_id(acpi_owner_id * owner_id) * permanently allocated (prevents +1 overflow) */ *owner_id = - (acpi_owner_id) ((k + 1) + ACPI_MUL_32(j)); + (acpi_owner_id)((k + 1) + ACPI_MUL_32(j)); ACPI_DEBUG_PRINT((ACPI_DB_VALUES, "Allocated OwnerId: %2.2X\n", @@ -167,7 +167,7 @@ exit: * ******************************************************************************/ -void acpi_ut_release_owner_id(acpi_owner_id * owner_id_ptr) +void acpi_ut_release_owner_id(acpi_owner_id *owner_id_ptr) { acpi_owner_id owner_id = *owner_id_ptr; acpi_status status; diff --git a/drivers/acpi/acpica/utprint.c b/drivers/acpi/acpica/utprint.c index 8c218ad787cd..dd084cf52502 100644 --- a/drivers/acpi/acpica/utprint.c +++ b/drivers/acpi/acpica/utprint.c @@ -67,11 +67,6 @@ static char *acpi_ut_format_number(char *string, static char *acpi_ut_put_number(char *string, u64 number, u8 base, u8 upper); -/* Module globals */ - -static const char acpi_gbl_lower_hex_digits[] = "0123456789abcdef"; -static const char acpi_gbl_upper_hex_digits[] = "0123456789ABCDEF"; - /******************************************************************************* * * FUNCTION: acpi_ut_bound_string_length @@ -269,9 +264,9 @@ static char *acpi_ut_format_number(char *string, sign = '\0'; if (type & ACPI_FORMAT_SIGN) { - if ((s64) number < 0) { + if ((s64)number < 0) { sign = '-'; - number = -(s64) number; + number = -(s64)number; width--; } else if (type & ACPI_FORMAT_SIGN_PLUS) { sign = '+'; @@ -409,7 +404,7 @@ acpi_ut_vsnprintf(char *string, width = -1; if (isdigit((int)*format)) { format = acpi_ut_scan_number(format, &number); - width = (s32) number; + width = (s32)number; } else if (*format == '*') { ++format; width = va_arg(args, int); @@ -426,7 +421,7 @@ acpi_ut_vsnprintf(char *string, ++format; if (isdigit((int)*format)) { format = acpi_ut_scan_number(format, &number); - precision = (s32) number; + precision = (s32)number; } else if (*format == '*') { ++format; precision = va_arg(args, int); @@ -555,17 +550,17 @@ acpi_ut_vsnprintf(char *string, if (qualifier == 'L') { number = va_arg(args, u64); if (type & ACPI_FORMAT_SIGN) { - number = (s64) number; + number = (s64)number; } } else if (qualifier == 'l') { number = va_arg(args, unsigned long); if (type & ACPI_FORMAT_SIGN) { - number = (s32) number; + number = (s32)number; } } else if (qualifier == 'h') { number = (u16)va_arg(args, int); if (type & ACPI_FORMAT_SIGN) { - number = (s16) number; + number = (s16)number; } } else { number = va_arg(args, unsigned int); diff --git a/drivers/acpi/acpica/utstring.c b/drivers/acpi/acpica/utstring.c index 0b005728db4e..288913a0e709 100644 --- a/drivers/acpi/acpica/utstring.c +++ b/drivers/acpi/acpica/utstring.c @@ -130,7 +130,7 @@ void acpi_ut_print_string(char *string, u16 max_length) } else { /* All others will be Hex escapes */ - acpi_os_printf("\\x%2.2X", (s32) string[i]); + acpi_os_printf("\\x%2.2X", (s32)string[i]); } break; } @@ -145,73 +145,6 @@ void acpi_ut_print_string(char *string, u16 max_length) /******************************************************************************* * - * FUNCTION: acpi_ut_valid_acpi_char - * - * PARAMETERS: char - The character to be examined - * position - Byte position (0-3) - * - * RETURN: TRUE if the character is valid, FALSE otherwise - * - * DESCRIPTION: Check for a valid ACPI character. Must be one of: - * 1) Upper case alpha - * 2) numeric - * 3) underscore - * - * We allow a '!' as the last character because of the ASF! table - * - ******************************************************************************/ - -u8 acpi_ut_valid_acpi_char(char character, u32 position) -{ - - if (!((character >= 'A' && character <= 'Z') || - (character >= '0' && character <= '9') || (character == '_'))) { - - /* Allow a '!' in the last position */ - - if (character == '!' && position == 3) { - return (TRUE); - } - - return (FALSE); - } - - return (TRUE); -} - -/******************************************************************************* - * - * FUNCTION: acpi_ut_valid_acpi_name - * - * PARAMETERS: name - The name to be examined. Does not have to - * be NULL terminated string. - * - * RETURN: TRUE if the name is valid, FALSE otherwise - * - * DESCRIPTION: Check for a valid ACPI name. Each character must be one of: - * 1) Upper case alpha - * 2) numeric - * 3) underscore - * - ******************************************************************************/ - -u8 acpi_ut_valid_acpi_name(char *name) -{ - u32 i; - - ACPI_FUNCTION_ENTRY(); - - for (i = 0; i < ACPI_NAME_SIZE; i++) { - if (!acpi_ut_valid_acpi_char(name[i], i)) { - return (FALSE); - } - } - - return (TRUE); -} - -/******************************************************************************* - * * FUNCTION: acpi_ut_repair_name * * PARAMETERS: name - The ACPI name to be repaired @@ -253,7 +186,7 @@ void acpi_ut_repair_name(char *name) /* Check each character in the name */ for (i = 0; i < ACPI_NAME_SIZE; i++) { - if (acpi_ut_valid_acpi_char(name[i], i)) { + if (acpi_ut_valid_name_char(name[i], i)) { continue; } diff --git a/drivers/acpi/acpica/uttrack.c b/drivers/acpi/acpica/uttrack.c index 60c406a8efcb..0df07dfa53b6 100644 --- a/drivers/acpi/acpica/uttrack.c +++ b/drivers/acpi/acpica/uttrack.c @@ -90,7 +90,7 @@ acpi_ut_remove_allocation(struct acpi_debug_mem_block *address, ******************************************************************************/ acpi_status -acpi_ut_create_list(char *list_name, +acpi_ut_create_list(const char *list_name, u16 object_size, struct acpi_memory_list **return_cache) { struct acpi_memory_list *cache; diff --git a/drivers/acpi/acpica/utxface.c b/drivers/acpi/acpica/utxface.c index 68d4673f62e6..d9e6aac7dc83 100644 --- a/drivers/acpi/acpica/utxface.c +++ b/drivers/acpi/acpica/utxface.c @@ -127,7 +127,7 @@ ACPI_EXPORT_SYMBOL(acpi_subsystem_status) * and the value of out_buffer is undefined. * ******************************************************************************/ -acpi_status acpi_get_system_info(struct acpi_buffer * out_buffer) +acpi_status acpi_get_system_info(struct acpi_buffer *out_buffer) { struct acpi_system_info *info_ptr; acpi_status status; @@ -483,7 +483,7 @@ ACPI_EXPORT_SYMBOL(acpi_check_address_range) ******************************************************************************/ acpi_status acpi_decode_pld_buffer(u8 *in_buffer, - acpi_size length, struct acpi_pld_info ** return_buffer) + acpi_size length, struct acpi_pld_info **return_buffer) { struct acpi_pld_info *pld_info; u32 *buffer = ACPI_CAST_PTR(u32, in_buffer); diff --git a/drivers/acpi/bus.c b/drivers/acpi/bus.c index c068c829b453..31e8da648fff 100644 --- a/drivers/acpi/bus.c +++ b/drivers/acpi/bus.c @@ -925,11 +925,13 @@ void __init acpi_early_init(void) goto error0; } - status = acpi_load_tables(); - if (ACPI_FAILURE(status)) { - printk(KERN_ERR PREFIX - "Unable to load the System Description Tables\n"); - goto error0; + if (acpi_gbl_group_module_level_code) { + status = acpi_load_tables(); + if (ACPI_FAILURE(status)) { + printk(KERN_ERR PREFIX + "Unable to load the System Description Tables\n"); + goto error0; + } } #ifdef CONFIG_X86 @@ -995,17 +997,10 @@ static int __init acpi_bus_init(void) acpi_os_initialize1(); - status = acpi_enable_subsystem(ACPI_NO_ACPI_ENABLE); - if (ACPI_FAILURE(status)) { - printk(KERN_ERR PREFIX - "Unable to start the ACPI Interpreter\n"); - goto error1; - } - /* * ACPI 2.0 requires the EC driver to be loaded and work before - * the EC device is found in the namespace (i.e. before acpi_initialize_objects() - * is called). + * the EC device is found in the namespace (i.e. before + * acpi_load_tables() is called). * * This is accomplished by looking for the ECDT table, and getting * the EC parameters out of that. @@ -1013,6 +1008,22 @@ static int __init acpi_bus_init(void) status = acpi_ec_ecdt_probe(); /* Ignore result. Not having an ECDT is not fatal. */ + if (!acpi_gbl_group_module_level_code) { + status = acpi_load_tables(); + if (ACPI_FAILURE(status)) { + printk(KERN_ERR PREFIX + "Unable to load the System Description Tables\n"); + goto error1; + } + } + + status = acpi_enable_subsystem(ACPI_NO_ACPI_ENABLE); + if (ACPI_FAILURE(status)) { + printk(KERN_ERR PREFIX + "Unable to start the ACPI Interpreter\n"); + goto error1; + } + status = acpi_initialize_objects(ACPI_FULL_INITIALIZATION); if (ACPI_FAILURE(status)) { printk(KERN_ERR PREFIX "Unable to initialize ACPI objects\n"); diff --git a/drivers/acpi/ec.c b/drivers/acpi/ec.c index b420fb46669d..0e70181f150c 100644 --- a/drivers/acpi/ec.c +++ b/drivers/acpi/ec.c @@ -105,8 +105,8 @@ enum ec_command { enum { EC_FLAGS_QUERY_PENDING, /* Query is pending */ EC_FLAGS_QUERY_GUARDING, /* Guard for SCI_EVT check */ - EC_FLAGS_HANDLERS_INSTALLED, /* Handlers for GPE and - * OpReg are installed */ + EC_FLAGS_GPE_HANDLER_INSTALLED, /* GPE handler installed */ + EC_FLAGS_EC_HANDLER_INSTALLED, /* OpReg handler installed */ EC_FLAGS_STARTED, /* Driver is started */ EC_FLAGS_STOPPED, /* Driver is stopped */ EC_FLAGS_COMMAND_STORM, /* GPE storms occurred to the @@ -175,10 +175,9 @@ static void acpi_ec_event_processor(struct work_struct *work); struct acpi_ec *boot_ec, *first_ec; EXPORT_SYMBOL(first_ec); -static int EC_FLAGS_VALIDATE_ECDT; /* ASUStec ECDTs need to be validated */ -static int EC_FLAGS_SKIP_DSDT_SCAN; /* Not all BIOS survive early DSDT scan */ static int EC_FLAGS_CLEAR_ON_RESUME; /* Needs acpi_ec_clear() on boot/resume */ static int EC_FLAGS_QUERY_HANDSHAKE; /* Needs QR_EC issued when SCI_EVT set */ +static int EC_FLAGS_CORRECT_ECDT; /* Needs ECDT port address correction */ /* -------------------------------------------------------------------------- * Logging/Debugging @@ -367,7 +366,8 @@ static inline void acpi_ec_clear_gpe(struct acpi_ec *ec) static void acpi_ec_submit_request(struct acpi_ec *ec) { ec->reference_count++; - if (ec->reference_count == 1) + if (test_bit(EC_FLAGS_GPE_HANDLER_INSTALLED, &ec->flags) && + ec->reference_count == 1) acpi_ec_enable_gpe(ec, true); } @@ -376,7 +376,8 @@ static void acpi_ec_complete_request(struct acpi_ec *ec) bool flushed = false; ec->reference_count--; - if (ec->reference_count == 0) + if (test_bit(EC_FLAGS_GPE_HANDLER_INSTALLED, &ec->flags) && + ec->reference_count == 0) acpi_ec_disable_gpe(ec, true); flushed = acpi_ec_flushed(ec); if (flushed) @@ -1287,52 +1288,64 @@ static int ec_install_handlers(struct acpi_ec *ec) { acpi_status status; - if (test_bit(EC_FLAGS_HANDLERS_INSTALLED, &ec->flags)) - return 0; - status = acpi_install_gpe_raw_handler(NULL, ec->gpe, - ACPI_GPE_EDGE_TRIGGERED, - &acpi_ec_gpe_handler, ec); - if (ACPI_FAILURE(status)) - return -ENODEV; - acpi_ec_start(ec, false); - status = acpi_install_address_space_handler(ec->handle, - ACPI_ADR_SPACE_EC, - &acpi_ec_space_handler, - NULL, ec); - if (ACPI_FAILURE(status)) { - if (status == AE_NOT_FOUND) { - /* - * Maybe OS fails in evaluating the _REG object. - * The AE_NOT_FOUND error will be ignored and OS - * continue to initialize EC. - */ - pr_err("Fail in evaluating the _REG object" - " of EC device. Broken bios is suspected.\n"); - } else { - acpi_ec_stop(ec, false); - acpi_remove_gpe_handler(NULL, ec->gpe, - &acpi_ec_gpe_handler); - return -ENODEV; + + if (!test_bit(EC_FLAGS_EC_HANDLER_INSTALLED, &ec->flags)) { + status = acpi_install_address_space_handler(ec->handle, + ACPI_ADR_SPACE_EC, + &acpi_ec_space_handler, + NULL, ec); + if (ACPI_FAILURE(status)) { + if (status == AE_NOT_FOUND) { + /* + * Maybe OS fails in evaluating the _REG + * object. The AE_NOT_FOUND error will be + * ignored and OS * continue to initialize + * EC. + */ + pr_err("Fail in evaluating the _REG object" + " of EC device. Broken bios is suspected.\n"); + } else { + acpi_ec_stop(ec, false); + return -ENODEV; + } + } + set_bit(EC_FLAGS_EC_HANDLER_INSTALLED, &ec->flags); + } + + if (!test_bit(EC_FLAGS_GPE_HANDLER_INSTALLED, &ec->flags)) { + status = acpi_install_gpe_raw_handler(NULL, ec->gpe, + ACPI_GPE_EDGE_TRIGGERED, + &acpi_ec_gpe_handler, ec); + /* This is not fatal as we can poll EC events */ + if (ACPI_SUCCESS(status)) { + set_bit(EC_FLAGS_GPE_HANDLER_INSTALLED, &ec->flags); + if (test_bit(EC_FLAGS_STARTED, &ec->flags) && + ec->reference_count >= 1) + acpi_ec_enable_gpe(ec, true); } } - set_bit(EC_FLAGS_HANDLERS_INSTALLED, &ec->flags); return 0; } static void ec_remove_handlers(struct acpi_ec *ec) { - if (!test_bit(EC_FLAGS_HANDLERS_INSTALLED, &ec->flags)) - return; acpi_ec_stop(ec, false); - if (ACPI_FAILURE(acpi_remove_address_space_handler(ec->handle, - ACPI_ADR_SPACE_EC, &acpi_ec_space_handler))) - pr_err("failed to remove space handler\n"); - if (ACPI_FAILURE(acpi_remove_gpe_handler(NULL, ec->gpe, - &acpi_ec_gpe_handler))) - pr_err("failed to remove gpe handler\n"); - clear_bit(EC_FLAGS_HANDLERS_INSTALLED, &ec->flags); + + if (test_bit(EC_FLAGS_EC_HANDLER_INSTALLED, &ec->flags)) { + if (ACPI_FAILURE(acpi_remove_address_space_handler(ec->handle, + ACPI_ADR_SPACE_EC, &acpi_ec_space_handler))) + pr_err("failed to remove space handler\n"); + clear_bit(EC_FLAGS_EC_HANDLER_INSTALLED, &ec->flags); + } + + if (test_bit(EC_FLAGS_GPE_HANDLER_INSTALLED, &ec->flags)) { + if (ACPI_FAILURE(acpi_remove_gpe_handler(NULL, ec->gpe, + &acpi_ec_gpe_handler))) + pr_err("failed to remove gpe handler\n"); + clear_bit(EC_FLAGS_GPE_HANDLER_INSTALLED, &ec->flags); + } } static int acpi_ec_add(struct acpi_device *device) @@ -1344,11 +1357,12 @@ static int acpi_ec_add(struct acpi_device *device) strcpy(acpi_device_class(device), ACPI_EC_CLASS); /* Check for boot EC */ - if (boot_ec && - (boot_ec->handle == device->handle || - boot_ec->handle == ACPI_ROOT_OBJECT)) { + if (boot_ec) { ec = boot_ec; boot_ec = NULL; + ec_remove_handlers(ec); + if (first_ec == ec) + first_ec = NULL; } else { ec = make_acpi_ec(); if (!ec) @@ -1434,7 +1448,7 @@ ec_parse_io_ports(struct acpi_resource *resource, void *context) int __init acpi_boot_ec_enable(void) { - if (!boot_ec || test_bit(EC_FLAGS_HANDLERS_INSTALLED, &boot_ec->flags)) + if (!boot_ec) return 0; if (!ec_install_handlers(boot_ec)) { first_ec = boot_ec; @@ -1448,20 +1462,6 @@ static const struct acpi_device_id ec_device_ids[] = { {"", 0}, }; -/* Some BIOS do not survive early DSDT scan, skip it */ -static int ec_skip_dsdt_scan(const struct dmi_system_id *id) -{ - EC_FLAGS_SKIP_DSDT_SCAN = 1; - return 0; -} - -/* ASUStek often supplies us with broken ECDT, validate it */ -static int ec_validate_ecdt(const struct dmi_system_id *id) -{ - EC_FLAGS_VALIDATE_ECDT = 1; - return 0; -} - #if 0 /* * Some EC firmware variations refuses to respond QR_EC when SCI_EVT is not @@ -1503,30 +1503,29 @@ static int ec_clear_on_resume(const struct dmi_system_id *id) return 0; } +static int ec_correct_ecdt(const struct dmi_system_id *id) +{ + pr_debug("Detected system needing ECDT address correction.\n"); + EC_FLAGS_CORRECT_ECDT = 1; + return 0; +} + static struct dmi_system_id ec_dmi_table[] __initdata = { { - ec_skip_dsdt_scan, "Compal JFL92", { - DMI_MATCH(DMI_BIOS_VENDOR, "COMPAL"), - DMI_MATCH(DMI_BOARD_NAME, "JFL92") }, NULL}, + ec_correct_ecdt, "Asus L4R", { + DMI_MATCH(DMI_BIOS_VERSION, "1008.006"), + DMI_MATCH(DMI_PRODUCT_NAME, "L4R"), + DMI_MATCH(DMI_BOARD_NAME, "L4R") }, NULL}, { - ec_validate_ecdt, "MSI MS-171F", { + ec_correct_ecdt, "Asus M6R", { + DMI_MATCH(DMI_BIOS_VERSION, "0207"), + DMI_MATCH(DMI_PRODUCT_NAME, "M6R"), + DMI_MATCH(DMI_BOARD_NAME, "M6R") }, NULL}, + { + ec_correct_ecdt, "MSI MS-171F", { DMI_MATCH(DMI_SYS_VENDOR, "Micro-Star"), DMI_MATCH(DMI_PRODUCT_NAME, "MS-171F"),}, NULL}, { - ec_validate_ecdt, "ASUS hardware", { - DMI_MATCH(DMI_BIOS_VENDOR, "ASUS") }, NULL}, - { - ec_validate_ecdt, "ASUS hardware", { - DMI_MATCH(DMI_BOARD_VENDOR, "ASUSTeK Computer Inc.") }, NULL}, - { - ec_skip_dsdt_scan, "HP Folio 13", { - DMI_MATCH(DMI_SYS_VENDOR, "Hewlett-Packard"), - DMI_MATCH(DMI_PRODUCT_NAME, "HP Folio 13"),}, NULL}, - { - ec_validate_ecdt, "ASUS hardware", { - DMI_MATCH(DMI_SYS_VENDOR, "ASUSTek Computer Inc."), - DMI_MATCH(DMI_PRODUCT_NAME, "L4R"),}, NULL}, - { ec_clear_on_resume, "Samsung hardware", { DMI_MATCH(DMI_SYS_VENDOR, "SAMSUNG ELECTRONICS CO., LTD.")}, NULL}, {}, @@ -1534,8 +1533,8 @@ static struct dmi_system_id ec_dmi_table[] __initdata = { int __init acpi_ec_ecdt_probe(void) { + int ret = 0; acpi_status status; - struct acpi_ec *saved_ec = NULL; struct acpi_table_ecdt *ecdt_ptr; boot_ec = make_acpi_ec(); @@ -1547,67 +1546,45 @@ int __init acpi_ec_ecdt_probe(void) dmi_check_system(ec_dmi_table); status = acpi_get_table(ACPI_SIG_ECDT, 1, (struct acpi_table_header **)&ecdt_ptr); - if (ACPI_SUCCESS(status)) { - pr_info("EC description table is found, configuring boot EC\n"); - boot_ec->command_addr = ecdt_ptr->control.address; - boot_ec->data_addr = ecdt_ptr->data.address; - boot_ec->gpe = ecdt_ptr->gpe; - boot_ec->handle = ACPI_ROOT_OBJECT; - acpi_get_handle(ACPI_ROOT_OBJECT, ecdt_ptr->id, - &boot_ec->handle); - /* Don't trust ECDT, which comes from ASUSTek */ - if (!EC_FLAGS_VALIDATE_ECDT) - goto install; - saved_ec = kmemdup(boot_ec, sizeof(struct acpi_ec), GFP_KERNEL); - if (!saved_ec) - return -ENOMEM; - /* fall through */ + if (ACPI_FAILURE(status)) { + ret = -ENODEV; + goto error; } - if (EC_FLAGS_SKIP_DSDT_SCAN) { - kfree(saved_ec); - return -ENODEV; + if (!ecdt_ptr->control.address || !ecdt_ptr->data.address) { + /* + * Asus X50GL: + * https://bugzilla.kernel.org/show_bug.cgi?id=11880 + */ + ret = -ENODEV; + goto error; } - /* This workaround is needed only on some broken machines, - * which require early EC, but fail to provide ECDT */ - pr_debug("Look up EC in DSDT\n"); - status = acpi_get_devices(ec_device_ids[0].id, ec_parse_device, - boot_ec, NULL); - /* Check that acpi_get_devices actually find something */ - if (ACPI_FAILURE(status) || !boot_ec->handle) - goto error; - if (saved_ec) { - /* try to find good ECDT from ASUSTek */ - if (saved_ec->command_addr != boot_ec->command_addr || - saved_ec->data_addr != boot_ec->data_addr || - saved_ec->gpe != boot_ec->gpe || - saved_ec->handle != boot_ec->handle) - pr_info("ASUSTek keeps feeding us with broken " - "ECDT tables, which are very hard to workaround. " - "Trying to use DSDT EC info instead. Please send " - "output of acpidump to linux-acpi@vger.kernel.org\n"); - kfree(saved_ec); - saved_ec = NULL; + pr_info("EC description table is found, configuring boot EC\n"); + if (EC_FLAGS_CORRECT_ECDT) { + /* + * Asus L4R, Asus M6R + * https://bugzilla.kernel.org/show_bug.cgi?id=9399 + * MSI MS-171F + * https://bugzilla.kernel.org/show_bug.cgi?id=12461 + */ + boot_ec->command_addr = ecdt_ptr->data.address; + boot_ec->data_addr = ecdt_ptr->control.address; } else { - /* We really need to limit this workaround, the only ASUS, - * which needs it, has fake EC._INI method, so use it as flag. - * Keep boot_ec struct as it will be needed soon. - */ - if (!dmi_name_in_vendors("ASUS") || - !acpi_has_method(boot_ec->handle, "_INI")) - return -ENODEV; + boot_ec->command_addr = ecdt_ptr->control.address; + boot_ec->data_addr = ecdt_ptr->data.address; } -install: - if (!ec_install_handlers(boot_ec)) { + boot_ec->gpe = ecdt_ptr->gpe; + boot_ec->handle = ACPI_ROOT_OBJECT; + ret = ec_install_handlers(boot_ec); + if (!ret) first_ec = boot_ec; - return 0; - } error: - kfree(boot_ec); - kfree(saved_ec); - boot_ec = NULL; - return -ENODEV; + if (ret) { + kfree(boot_ec); + boot_ec = NULL; + } + return ret; } static int param_set_event_clearing(const char *val, struct kernel_param *kp) diff --git a/drivers/acpi/evged.c b/drivers/acpi/evged.c new file mode 100644 index 000000000000..46f060356a22 --- /dev/null +++ b/drivers/acpi/evged.c @@ -0,0 +1,154 @@ +/* + * Generic Event Device for ACPI. + * + * Copyright (c) 2016, The Linux Foundation. All rights reserved. + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 and + * only version 2 as published by the Free Software Foundation. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * Generic Event Device allows platforms to handle interrupts in ACPI + * ASL statements. It follows very similar to _EVT method approach + * from GPIO events. All interrupts are listed in _CRS and the handler + * is written in _EVT method. Here is an example. + * + * Device (GED0) + * { + * + * Name (_HID, "ACPI0013") + * Name (_UID, 0) + * Method (_CRS, 0x0, Serialized) + * { + * Name (RBUF, ResourceTemplate () + * { + * Interrupt(ResourceConsumer, Edge, ActiveHigh, Shared, , , ) + * {123} + * } + * }) + * + * Method (_EVT, 1) { + * if (Lequal(123, Arg0)) + * { + * } + * } + * } + * + */ + +#include <linux/err.h> +#include <linux/init.h> +#include <linux/interrupt.h> +#include <linux/list.h> +#include <linux/platform_device.h> +#include <linux/acpi.h> + +#define MODULE_NAME "acpi-ged" + +struct acpi_ged_event { + struct list_head node; + struct device *dev; + unsigned int gsi; + unsigned int irq; + acpi_handle handle; +}; + +static irqreturn_t acpi_ged_irq_handler(int irq, void *data) +{ + struct acpi_ged_event *event = data; + acpi_status acpi_ret; + + acpi_ret = acpi_execute_simple_method(event->handle, NULL, event->gsi); + if (ACPI_FAILURE(acpi_ret)) + dev_err_once(event->dev, "IRQ method execution failed\n"); + + return IRQ_HANDLED; +} + +static acpi_status acpi_ged_request_interrupt(struct acpi_resource *ares, + void *context) +{ + struct acpi_ged_event *event; + unsigned int irq; + unsigned int gsi; + unsigned int irqflags = IRQF_ONESHOT; + struct device *dev = context; + acpi_handle handle = ACPI_HANDLE(dev); + acpi_handle evt_handle; + struct resource r; + struct acpi_resource_irq *p = &ares->data.irq; + struct acpi_resource_extended_irq *pext = &ares->data.extended_irq; + + if (ares->type == ACPI_RESOURCE_TYPE_END_TAG) + return AE_OK; + + if (!acpi_dev_resource_interrupt(ares, 0, &r)) { + dev_err(dev, "unable to parse IRQ resource\n"); + return AE_ERROR; + } + if (ares->type == ACPI_RESOURCE_TYPE_IRQ) + gsi = p->interrupts[0]; + else + gsi = pext->interrupts[0]; + + irq = r.start; + + if (ACPI_FAILURE(acpi_get_handle(handle, "_EVT", &evt_handle))) { + dev_err(dev, "cannot locate _EVT method\n"); + return AE_ERROR; + } + + dev_info(dev, "GED listening GSI %u @ IRQ %u\n", gsi, irq); + + event = devm_kzalloc(dev, sizeof(*event), GFP_KERNEL); + if (!event) + return AE_ERROR; + + event->gsi = gsi; + event->dev = dev; + event->irq = irq; + event->handle = evt_handle; + + if (r.flags & IORESOURCE_IRQ_SHAREABLE) + irqflags |= IRQF_SHARED; + + if (devm_request_threaded_irq(dev, irq, NULL, acpi_ged_irq_handler, + irqflags, "ACPI:Ged", event)) { + dev_err(dev, "failed to setup event handler for irq %u\n", irq); + return AE_ERROR; + } + + return AE_OK; +} + +static int ged_probe(struct platform_device *pdev) +{ + acpi_status acpi_ret; + + acpi_ret = acpi_walk_resources(ACPI_HANDLE(&pdev->dev), "_CRS", + acpi_ged_request_interrupt, &pdev->dev); + if (ACPI_FAILURE(acpi_ret)) { + dev_err(&pdev->dev, "unable to parse the _CRS record\n"); + return -EINVAL; + } + + return 0; +} + +static const struct acpi_device_id ged_acpi_ids[] = { + {"ACPI0013"}, + {}, +}; + +static struct platform_driver ged_driver = { + .probe = ged_probe, + .driver = { + .name = MODULE_NAME, + .acpi_match_table = ACPI_PTR(ged_acpi_ids), + }, +}; +builtin_platform_driver(ged_driver); diff --git a/drivers/acpi/internal.h b/drivers/acpi/internal.h index a8780a2e1975..9bb0773d39bf 100644 --- a/drivers/acpi/internal.h +++ b/drivers/acpi/internal.h @@ -22,7 +22,6 @@ int early_acpi_osi_init(void); int acpi_osi_init(void); -void acpi_initrd_initialize_tables(void); acpi_status acpi_os_initialize1(void); void init_acpi_device_notify(void); int acpi_scan_init(void); diff --git a/drivers/acpi/nfit.c b/drivers/acpi/nfit.c index d0f35e63640b..63cc9dbe4f3b 100644 --- a/drivers/acpi/nfit.c +++ b/drivers/acpi/nfit.c @@ -287,8 +287,11 @@ static int acpi_nfit_ctl(struct nvdimm_bus_descriptor *nd_desc, offset); rc = -ENXIO; } - } else + } else { rc = 0; + if (cmd_rc) + *cmd_rc = xlat_status(buf, cmd); + } out: ACPI_FREE(out_obj); diff --git a/drivers/acpi/numa.c b/drivers/acpi/numa.c index 72b6e9ef0ae9..d176e0ece470 100644 --- a/drivers/acpi/numa.c +++ b/drivers/acpi/numa.c @@ -327,10 +327,18 @@ int __init acpi_numa_init(void) /* SRAT: Static Resource Affinity Table */ if (!acpi_table_parse(ACPI_SIG_SRAT, acpi_parse_srat)) { - acpi_table_parse_srat(ACPI_SRAT_TYPE_X2APIC_CPU_AFFINITY, - acpi_parse_x2apic_affinity, 0); - acpi_table_parse_srat(ACPI_SRAT_TYPE_CPU_AFFINITY, - acpi_parse_processor_affinity, 0); + struct acpi_subtable_proc srat_proc[2]; + + memset(srat_proc, 0, sizeof(srat_proc)); + srat_proc[0].id = ACPI_SRAT_TYPE_CPU_AFFINITY; + srat_proc[0].handler = acpi_parse_processor_affinity; + srat_proc[1].id = ACPI_SRAT_TYPE_X2APIC_CPU_AFFINITY; + srat_proc[1].handler = acpi_parse_x2apic_affinity; + + acpi_table_parse_entries_array(ACPI_SIG_SRAT, + sizeof(struct acpi_table_srat), + srat_proc, ARRAY_SIZE(srat_proc), 0); + cnt = acpi_table_parse_srat(ACPI_SRAT_TYPE_MEMORY_AFFINITY, acpi_parse_memory_affinity, NR_NODE_MEMBLKS); diff --git a/drivers/acpi/osl.c b/drivers/acpi/osl.c index 29af6b40c93f..b108f1358a32 100644 --- a/drivers/acpi/osl.c +++ b/drivers/acpi/osl.c @@ -56,10 +56,6 @@ struct acpi_os_dpc { struct work_struct work; }; -#ifdef CONFIG_ACPI_CUSTOM_DSDT -#include CONFIG_ACPI_CUSTOM_DSDT_FILE -#endif - #ifdef ENABLE_DEBUGGER #include <linux/kdb.h> @@ -516,7 +512,7 @@ static char acpi_os_name[ACPI_MAX_OVERRIDE_LEN]; acpi_status acpi_os_predefined_override(const struct acpi_predefined_names *init_val, - char **new_val) + acpi_string *new_val) { if (!init_val || !new_val) return AE_BAD_PARAMETER; @@ -536,280 +532,6 @@ acpi_os_predefined_override(const struct acpi_predefined_names *init_val, return AE_OK; } -static void acpi_table_taint(struct acpi_table_header *table) -{ - pr_warn(PREFIX - "Override [%4.4s-%8.8s], this is unsafe: tainting kernel\n", - table->signature, table->oem_table_id); - add_taint(TAINT_OVERRIDDEN_ACPI_TABLE, LOCKDEP_NOW_UNRELIABLE); -} - -#ifdef CONFIG_ACPI_INITRD_TABLE_OVERRIDE -#include <linux/earlycpio.h> -#include <linux/memblock.h> - -static u64 acpi_tables_addr; -static int all_tables_size; - -/* Copied from acpica/tbutils.c:acpi_tb_checksum() */ -static u8 __init acpi_table_checksum(u8 *buffer, u32 length) -{ - u8 sum = 0; - u8 *end = buffer + length; - - while (buffer < end) - sum = (u8) (sum + *(buffer++)); - return sum; -} - -/* All but ACPI_SIG_RSDP and ACPI_SIG_FACS: */ -static const char * const table_sigs[] = { - ACPI_SIG_BERT, ACPI_SIG_CPEP, ACPI_SIG_ECDT, ACPI_SIG_EINJ, - ACPI_SIG_ERST, ACPI_SIG_HEST, ACPI_SIG_MADT, ACPI_SIG_MSCT, - ACPI_SIG_SBST, ACPI_SIG_SLIT, ACPI_SIG_SRAT, ACPI_SIG_ASF, - ACPI_SIG_BOOT, ACPI_SIG_DBGP, ACPI_SIG_DMAR, ACPI_SIG_HPET, - ACPI_SIG_IBFT, ACPI_SIG_IVRS, ACPI_SIG_MCFG, ACPI_SIG_MCHI, - ACPI_SIG_SLIC, ACPI_SIG_SPCR, ACPI_SIG_SPMI, ACPI_SIG_TCPA, - ACPI_SIG_UEFI, ACPI_SIG_WAET, ACPI_SIG_WDAT, ACPI_SIG_WDDT, - ACPI_SIG_WDRT, ACPI_SIG_DSDT, ACPI_SIG_FADT, ACPI_SIG_PSDT, - ACPI_SIG_RSDT, ACPI_SIG_XSDT, ACPI_SIG_SSDT, NULL }; - -#define ACPI_HEADER_SIZE sizeof(struct acpi_table_header) - -#define ACPI_OVERRIDE_TABLES 64 -static struct cpio_data __initdata acpi_initrd_files[ACPI_OVERRIDE_TABLES]; -static DECLARE_BITMAP(acpi_initrd_installed, ACPI_OVERRIDE_TABLES); - -#define MAP_CHUNK_SIZE (NR_FIX_BTMAPS << PAGE_SHIFT) - -void __init acpi_initrd_override(void *data, size_t size) -{ - int sig, no, table_nr = 0, total_offset = 0; - long offset = 0; - struct acpi_table_header *table; - char cpio_path[32] = "kernel/firmware/acpi/"; - struct cpio_data file; - - if (data == NULL || size == 0) - return; - - for (no = 0; no < ACPI_OVERRIDE_TABLES; no++) { - file = find_cpio_data(cpio_path, data, size, &offset); - if (!file.data) - break; - - data += offset; - size -= offset; - - if (file.size < sizeof(struct acpi_table_header)) { - pr_err("ACPI OVERRIDE: Table smaller than ACPI header [%s%s]\n", - cpio_path, file.name); - continue; - } - - table = file.data; - - for (sig = 0; table_sigs[sig]; sig++) - if (!memcmp(table->signature, table_sigs[sig], 4)) - break; - - if (!table_sigs[sig]) { - pr_err("ACPI OVERRIDE: Unknown signature [%s%s]\n", - cpio_path, file.name); - continue; - } - if (file.size != table->length) { - pr_err("ACPI OVERRIDE: File length does not match table length [%s%s]\n", - cpio_path, file.name); - continue; - } - if (acpi_table_checksum(file.data, table->length)) { - pr_err("ACPI OVERRIDE: Bad table checksum [%s%s]\n", - cpio_path, file.name); - continue; - } - - pr_info("%4.4s ACPI table found in initrd [%s%s][0x%x]\n", - table->signature, cpio_path, file.name, table->length); - - all_tables_size += table->length; - acpi_initrd_files[table_nr].data = file.data; - acpi_initrd_files[table_nr].size = file.size; - table_nr++; - } - if (table_nr == 0) - return; - - acpi_tables_addr = - memblock_find_in_range(0, max_low_pfn_mapped << PAGE_SHIFT, - all_tables_size, PAGE_SIZE); - if (!acpi_tables_addr) { - WARN_ON(1); - return; - } - /* - * Only calling e820_add_reserve does not work and the - * tables are invalid (memory got used) later. - * memblock_reserve works as expected and the tables won't get modified. - * But it's not enough on X86 because ioremap will - * complain later (used by acpi_os_map_memory) that the pages - * that should get mapped are not marked "reserved". - * Both memblock_reserve and e820_add_region (via arch_reserve_mem_area) - * works fine. - */ - memblock_reserve(acpi_tables_addr, all_tables_size); - arch_reserve_mem_area(acpi_tables_addr, all_tables_size); - - /* - * early_ioremap only can remap 256k one time. If we map all - * tables one time, we will hit the limit. Need to map chunks - * one by one during copying the same as that in relocate_initrd(). - */ - for (no = 0; no < table_nr; no++) { - unsigned char *src_p = acpi_initrd_files[no].data; - phys_addr_t size = acpi_initrd_files[no].size; - phys_addr_t dest_addr = acpi_tables_addr + total_offset; - phys_addr_t slop, clen; - char *dest_p; - - total_offset += size; - - while (size) { - slop = dest_addr & ~PAGE_MASK; - clen = size; - if (clen > MAP_CHUNK_SIZE - slop) - clen = MAP_CHUNK_SIZE - slop; - dest_p = early_ioremap(dest_addr & PAGE_MASK, - clen + slop); - memcpy(dest_p + slop, src_p, clen); - early_iounmap(dest_p, clen + slop); - src_p += clen; - dest_addr += clen; - size -= clen; - } - } -} - -acpi_status -acpi_os_physical_table_override(struct acpi_table_header *existing_table, - acpi_physical_address *address, u32 *length) -{ - int table_offset = 0; - int table_index = 0; - struct acpi_table_header *table; - u32 table_length; - - *length = 0; - *address = 0; - if (!acpi_tables_addr) - return AE_OK; - - while (table_offset + ACPI_HEADER_SIZE <= all_tables_size) { - table = acpi_os_map_memory(acpi_tables_addr + table_offset, - ACPI_HEADER_SIZE); - if (table_offset + table->length > all_tables_size) { - acpi_os_unmap_memory(table, ACPI_HEADER_SIZE); - WARN_ON(1); - return AE_OK; - } - - table_length = table->length; - - /* Only override tables matched */ - if (test_bit(table_index, acpi_initrd_installed) || - memcmp(existing_table->signature, table->signature, 4) || - memcmp(table->oem_table_id, existing_table->oem_table_id, - ACPI_OEM_TABLE_ID_SIZE)) { - acpi_os_unmap_memory(table, ACPI_HEADER_SIZE); - goto next_table; - } - - *length = table_length; - *address = acpi_tables_addr + table_offset; - acpi_table_taint(existing_table); - acpi_os_unmap_memory(table, ACPI_HEADER_SIZE); - set_bit(table_index, acpi_initrd_installed); - break; - -next_table: - table_offset += table_length; - table_index++; - } - return AE_OK; -} - -void __init acpi_initrd_initialize_tables(void) -{ - int table_offset = 0; - int table_index = 0; - u32 table_length; - struct acpi_table_header *table; - - if (!acpi_tables_addr) - return; - - while (table_offset + ACPI_HEADER_SIZE <= all_tables_size) { - table = acpi_os_map_memory(acpi_tables_addr + table_offset, - ACPI_HEADER_SIZE); - if (table_offset + table->length > all_tables_size) { - acpi_os_unmap_memory(table, ACPI_HEADER_SIZE); - WARN_ON(1); - return; - } - - table_length = table->length; - - /* Skip RSDT/XSDT which should only be used for override */ - if (test_bit(table_index, acpi_initrd_installed) || - ACPI_COMPARE_NAME(table->signature, ACPI_SIG_RSDT) || - ACPI_COMPARE_NAME(table->signature, ACPI_SIG_XSDT)) { - acpi_os_unmap_memory(table, ACPI_HEADER_SIZE); - goto next_table; - } - - acpi_table_taint(table); - acpi_os_unmap_memory(table, ACPI_HEADER_SIZE); - acpi_install_table(acpi_tables_addr + table_offset, TRUE); - set_bit(table_index, acpi_initrd_installed); -next_table: - table_offset += table_length; - table_index++; - } -} -#else -acpi_status -acpi_os_physical_table_override(struct acpi_table_header *existing_table, - acpi_physical_address *address, - u32 *table_length) -{ - *table_length = 0; - *address = 0; - return AE_OK; -} - -void __init acpi_initrd_initialize_tables(void) -{ -} -#endif /* CONFIG_ACPI_INITRD_TABLE_OVERRIDE */ - -acpi_status -acpi_os_table_override(struct acpi_table_header *existing_table, - struct acpi_table_header **new_table) -{ - if (!existing_table || !new_table) - return AE_BAD_PARAMETER; - - *new_table = NULL; - -#ifdef CONFIG_ACPI_CUSTOM_DSDT - if (strncmp(existing_table->signature, "DSDT", 4) == 0) - *new_table = (struct acpi_table_header *)AmlCode; -#endif - if (*new_table != NULL) - acpi_table_taint(existing_table); - return AE_OK; -} - static irqreturn_t acpi_irq(int irq, void *dev_id) { u32 handled; diff --git a/drivers/acpi/sleep.c b/drivers/acpi/sleep.c index 2a8b59644297..7a2e4d45b266 100644 --- a/drivers/acpi/sleep.c +++ b/drivers/acpi/sleep.c @@ -26,6 +26,11 @@ #include "internal.h" #include "sleep.h" +/* + * Some HW-full platforms do not have _S5, so they may need + * to leverage efi power off for a shutdown. + */ +bool acpi_no_s5; static u8 sleep_states[ACPI_S_STATE_COUNT]; static void acpi_sleep_tts_switch(u32 acpi_state) @@ -882,6 +887,8 @@ int __init acpi_sleep_init(void) sleep_states[ACPI_STATE_S5] = 1; pm_power_off_prepare = acpi_power_off_prepare; pm_power_off = acpi_power_off; + } else { + acpi_no_s5 = true; } supported[0] = 0; diff --git a/drivers/acpi/tables.c b/drivers/acpi/tables.c index f49c02442d65..a372f9eaa15d 100644 --- a/drivers/acpi/tables.c +++ b/drivers/acpi/tables.c @@ -32,8 +32,14 @@ #include <linux/errno.h> #include <linux/acpi.h> #include <linux/bootmem.h> +#include <linux/earlycpio.h> +#include <linux/memblock.h> #include "internal.h" +#ifdef CONFIG_ACPI_CUSTOM_DSDT +#include CONFIG_ACPI_CUSTOM_DSDT_FILE +#endif + #define ACPI_MAX_TABLES 128 static char *mps_inti_flags_polarity[] = { "dfl", "high", "res", "low" }; @@ -433,6 +439,314 @@ static void __init check_multiple_madt(void) return; } +static void acpi_table_taint(struct acpi_table_header *table) +{ + pr_warn("Override [%4.4s-%8.8s], this is unsafe: tainting kernel\n", + table->signature, table->oem_table_id); + add_taint(TAINT_OVERRIDDEN_ACPI_TABLE, LOCKDEP_NOW_UNRELIABLE); +} + +#ifdef CONFIG_ACPI_TABLE_UPGRADE +static u64 acpi_tables_addr; +static int all_tables_size; + +/* Copied from acpica/tbutils.c:acpi_tb_checksum() */ +static u8 __init acpi_table_checksum(u8 *buffer, u32 length) +{ + u8 sum = 0; + u8 *end = buffer + length; + + while (buffer < end) + sum = (u8) (sum + *(buffer++)); + return sum; +} + +/* All but ACPI_SIG_RSDP and ACPI_SIG_FACS: */ +static const char * const table_sigs[] = { + ACPI_SIG_BERT, ACPI_SIG_CPEP, ACPI_SIG_ECDT, ACPI_SIG_EINJ, + ACPI_SIG_ERST, ACPI_SIG_HEST, ACPI_SIG_MADT, ACPI_SIG_MSCT, + ACPI_SIG_SBST, ACPI_SIG_SLIT, ACPI_SIG_SRAT, ACPI_SIG_ASF, + ACPI_SIG_BOOT, ACPI_SIG_DBGP, ACPI_SIG_DMAR, ACPI_SIG_HPET, + ACPI_SIG_IBFT, ACPI_SIG_IVRS, ACPI_SIG_MCFG, ACPI_SIG_MCHI, + ACPI_SIG_SLIC, ACPI_SIG_SPCR, ACPI_SIG_SPMI, ACPI_SIG_TCPA, + ACPI_SIG_UEFI, ACPI_SIG_WAET, ACPI_SIG_WDAT, ACPI_SIG_WDDT, + ACPI_SIG_WDRT, ACPI_SIG_DSDT, ACPI_SIG_FADT, ACPI_SIG_PSDT, + ACPI_SIG_RSDT, ACPI_SIG_XSDT, ACPI_SIG_SSDT, NULL }; + +#define ACPI_HEADER_SIZE sizeof(struct acpi_table_header) + +#define NR_ACPI_INITRD_TABLES 64 +static struct cpio_data __initdata acpi_initrd_files[NR_ACPI_INITRD_TABLES]; +static DECLARE_BITMAP(acpi_initrd_installed, NR_ACPI_INITRD_TABLES); + +#define MAP_CHUNK_SIZE (NR_FIX_BTMAPS << PAGE_SHIFT) + +static void __init acpi_table_initrd_init(void *data, size_t size) +{ + int sig, no, table_nr = 0, total_offset = 0; + long offset = 0; + struct acpi_table_header *table; + char cpio_path[32] = "kernel/firmware/acpi/"; + struct cpio_data file; + + if (data == NULL || size == 0) + return; + + for (no = 0; no < NR_ACPI_INITRD_TABLES; no++) { + file = find_cpio_data(cpio_path, data, size, &offset); + if (!file.data) + break; + + data += offset; + size -= offset; + + if (file.size < sizeof(struct acpi_table_header)) { + pr_err("ACPI OVERRIDE: Table smaller than ACPI header [%s%s]\n", + cpio_path, file.name); + continue; + } + + table = file.data; + + for (sig = 0; table_sigs[sig]; sig++) + if (!memcmp(table->signature, table_sigs[sig], 4)) + break; + + if (!table_sigs[sig]) { + pr_err("ACPI OVERRIDE: Unknown signature [%s%s]\n", + cpio_path, file.name); + continue; + } + if (file.size != table->length) { + pr_err("ACPI OVERRIDE: File length does not match table length [%s%s]\n", + cpio_path, file.name); + continue; + } + if (acpi_table_checksum(file.data, table->length)) { + pr_err("ACPI OVERRIDE: Bad table checksum [%s%s]\n", + cpio_path, file.name); + continue; + } + + pr_info("%4.4s ACPI table found in initrd [%s%s][0x%x]\n", + table->signature, cpio_path, file.name, table->length); + + all_tables_size += table->length; + acpi_initrd_files[table_nr].data = file.data; + acpi_initrd_files[table_nr].size = file.size; + table_nr++; + } + if (table_nr == 0) + return; + + acpi_tables_addr = + memblock_find_in_range(0, max_low_pfn_mapped << PAGE_SHIFT, + all_tables_size, PAGE_SIZE); + if (!acpi_tables_addr) { + WARN_ON(1); + return; + } + /* + * Only calling e820_add_reserve does not work and the + * tables are invalid (memory got used) later. + * memblock_reserve works as expected and the tables won't get modified. + * But it's not enough on X86 because ioremap will + * complain later (used by acpi_os_map_memory) that the pages + * that should get mapped are not marked "reserved". + * Both memblock_reserve and e820_add_region (via arch_reserve_mem_area) + * works fine. + */ + memblock_reserve(acpi_tables_addr, all_tables_size); + arch_reserve_mem_area(acpi_tables_addr, all_tables_size); + + /* + * early_ioremap only can remap 256k one time. If we map all + * tables one time, we will hit the limit. Need to map chunks + * one by one during copying the same as that in relocate_initrd(). + */ + for (no = 0; no < table_nr; no++) { + unsigned char *src_p = acpi_initrd_files[no].data; + phys_addr_t size = acpi_initrd_files[no].size; + phys_addr_t dest_addr = acpi_tables_addr + total_offset; + phys_addr_t slop, clen; + char *dest_p; + + total_offset += size; + + while (size) { + slop = dest_addr & ~PAGE_MASK; + clen = size; + if (clen > MAP_CHUNK_SIZE - slop) + clen = MAP_CHUNK_SIZE - slop; + dest_p = early_ioremap(dest_addr & PAGE_MASK, + clen + slop); + memcpy(dest_p + slop, src_p, clen); + early_iounmap(dest_p, clen + slop); + src_p += clen; + dest_addr += clen; + size -= clen; + } + } +} + +static acpi_status +acpi_table_initrd_override(struct acpi_table_header *existing_table, + acpi_physical_address *address, u32 *length) +{ + int table_offset = 0; + int table_index = 0; + struct acpi_table_header *table; + u32 table_length; + + *length = 0; + *address = 0; + if (!acpi_tables_addr) + return AE_OK; + + while (table_offset + ACPI_HEADER_SIZE <= all_tables_size) { + table = acpi_os_map_memory(acpi_tables_addr + table_offset, + ACPI_HEADER_SIZE); + if (table_offset + table->length > all_tables_size) { + acpi_os_unmap_memory(table, ACPI_HEADER_SIZE); + WARN_ON(1); + return AE_OK; + } + + table_length = table->length; + + /* Only override tables matched */ + if (memcmp(existing_table->signature, table->signature, 4) || + memcmp(table->oem_id, existing_table->oem_id, + ACPI_OEM_ID_SIZE) || + memcmp(table->oem_table_id, existing_table->oem_table_id, + ACPI_OEM_TABLE_ID_SIZE)) { + acpi_os_unmap_memory(table, ACPI_HEADER_SIZE); + goto next_table; + } + /* + * Mark the table to avoid being used in + * acpi_table_initrd_scan() and check the revision. + */ + if (test_and_set_bit(table_index, acpi_initrd_installed) || + existing_table->oem_revision >= table->oem_revision) { + acpi_os_unmap_memory(table, ACPI_HEADER_SIZE); + goto next_table; + } + + *length = table_length; + *address = acpi_tables_addr + table_offset; + pr_info("Table Upgrade: override [%4.4s-%6.6s-%8.8s]\n", + table->signature, table->oem_id, + table->oem_table_id); + acpi_os_unmap_memory(table, ACPI_HEADER_SIZE); + break; + +next_table: + table_offset += table_length; + table_index++; + } + return AE_OK; +} + +static void __init acpi_table_initrd_scan(void) +{ + int table_offset = 0; + int table_index = 0; + u32 table_length; + struct acpi_table_header *table; + + if (!acpi_tables_addr) + return; + + while (table_offset + ACPI_HEADER_SIZE <= all_tables_size) { + table = acpi_os_map_memory(acpi_tables_addr + table_offset, + ACPI_HEADER_SIZE); + if (table_offset + table->length > all_tables_size) { + acpi_os_unmap_memory(table, ACPI_HEADER_SIZE); + WARN_ON(1); + return; + } + + table_length = table->length; + + /* Skip RSDT/XSDT which should only be used for override */ + if (ACPI_COMPARE_NAME(table->signature, ACPI_SIG_RSDT) || + ACPI_COMPARE_NAME(table->signature, ACPI_SIG_XSDT)) { + acpi_os_unmap_memory(table, ACPI_HEADER_SIZE); + goto next_table; + } + /* + * Mark the table to avoid being used in + * acpi_table_initrd_override(). Though this is not possible + * because override is disabled in acpi_install_table(). + */ + if (test_and_set_bit(table_index, acpi_initrd_installed)) { + acpi_os_unmap_memory(table, ACPI_HEADER_SIZE); + goto next_table; + } + + pr_info("Table Upgrade: install [%4.4s-%6.6s-%8.8s]\n", + table->signature, table->oem_id, + table->oem_table_id); + acpi_os_unmap_memory(table, ACPI_HEADER_SIZE); + acpi_install_table(acpi_tables_addr + table_offset, TRUE); +next_table: + table_offset += table_length; + table_index++; + } +} +#else +static void __init acpi_table_initrd_init(void *data, size_t size) +{ +} + +static acpi_status +acpi_table_initrd_override(struct acpi_table_header *existing_table, + acpi_physical_address *address, + u32 *table_length) +{ + *table_length = 0; + *address = 0; + return AE_OK; +} + +static void __init acpi_table_initrd_scan(void) +{ +} +#endif /* CONFIG_ACPI_TABLE_UPGRADE */ + +acpi_status +acpi_os_physical_table_override(struct acpi_table_header *existing_table, + acpi_physical_address *address, + u32 *table_length) +{ + return acpi_table_initrd_override(existing_table, address, + table_length); +} + +acpi_status +acpi_os_table_override(struct acpi_table_header *existing_table, + struct acpi_table_header **new_table) +{ + if (!existing_table || !new_table) + return AE_BAD_PARAMETER; + + *new_table = NULL; + +#ifdef CONFIG_ACPI_CUSTOM_DSDT + if (strncmp(existing_table->signature, "DSDT", 4) == 0) + *new_table = (struct acpi_table_header *)AmlCode; +#endif + if (*new_table != NULL) + acpi_table_taint(existing_table); + return AE_OK; +} + +void __init early_acpi_table_init(void *data, size_t size) +{ + acpi_table_initrd_init(data, size); +} + /* * acpi_table_init() * @@ -457,7 +771,7 @@ int __init acpi_table_init(void) status = acpi_initialize_tables(initial_tables, ACPI_MAX_TABLES, 0); if (ACPI_FAILURE(status)) return -EINVAL; - acpi_initrd_initialize_tables(); + acpi_table_initrd_scan(); check_multiple_madt(); return 0; diff --git a/drivers/acpi/video_detect.c b/drivers/acpi/video_detect.c index 1316ddd92fac..3d1327615f72 100644 --- a/drivers/acpi/video_detect.c +++ b/drivers/acpi/video_detect.c @@ -358,7 +358,7 @@ enum acpi_backlight_type acpi_video_get_backlight_type(void) if (!(video_caps & ACPI_VIDEO_BACKLIGHT)) return acpi_backlight_vendor; - if (acpi_osi_is_win8() && backlight_device_registered(BACKLIGHT_RAW)) + if (acpi_osi_is_win8() && backlight_device_get_by_type(BACKLIGHT_RAW)) return acpi_backlight_native; return acpi_backlight_video; diff --git a/drivers/ata/Kconfig b/drivers/ata/Kconfig index 5083f85efea7..cfa936a32513 100644 --- a/drivers/ata/Kconfig +++ b/drivers/ata/Kconfig @@ -202,6 +202,14 @@ config SATA_FSL If unsure, say N. +config SATA_AHCI_SEATTLE + tristate "AMD Seattle 6.0Gbps AHCI SATA host controller support" + depends on ARCH_SEATTLE + help + This option enables support for AMD Seattle SATA host controller. + + If unsure, say N + config SATA_INIC162X tristate "Initio 162x SATA support (Very Experimental)" depends on PCI diff --git a/drivers/ata/Makefile b/drivers/ata/Makefile index 18579521464e..0b2afb7e5f35 100644 --- a/drivers/ata/Makefile +++ b/drivers/ata/Makefile @@ -4,6 +4,7 @@ obj-$(CONFIG_ATA) += libata.o # non-SFF interface obj-$(CONFIG_SATA_AHCI) += ahci.o libahci.o obj-$(CONFIG_SATA_ACARD_AHCI) += acard-ahci.o libahci.o +obj-$(CONFIG_SATA_AHCI_SEATTLE) += ahci_seattle.o libahci.o libahci_platform.o obj-$(CONFIG_SATA_AHCI_PLATFORM) += ahci_platform.o libahci.o libahci_platform.o obj-$(CONFIG_SATA_FSL) += sata_fsl.o obj-$(CONFIG_SATA_INIC162X) += sata_inic162x.o diff --git a/drivers/ata/ahci_platform.c b/drivers/ata/ahci_platform.c index 40442332bfa7..62a04c8fb5c9 100644 --- a/drivers/ata/ahci_platform.c +++ b/drivers/ata/ahci_platform.c @@ -51,6 +51,9 @@ static int ahci_probe(struct platform_device *pdev) if (rc) return rc; + of_property_read_u32(dev->of_node, + "ports-implemented", &hpriv->force_port_map); + if (of_device_is_compatible(dev->of_node, "hisilicon,hisi-ahci")) hpriv->flags |= AHCI_HFLAG_NO_FBS | AHCI_HFLAG_NO_NCQ; diff --git a/drivers/ata/ahci_seattle.c b/drivers/ata/ahci_seattle.c new file mode 100644 index 000000000000..6e702ab57220 --- /dev/null +++ b/drivers/ata/ahci_seattle.c @@ -0,0 +1,210 @@ +/* + * AMD Seattle AHCI SATA driver + * + * Copyright (c) 2015, Advanced Micro Devices + * Author: Brijesh Singh <brijesh.singh@amd.com> + * + * based on the AHCI SATA platform driver by Jeff Garzik and Anton Vorontsov + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + */ + +#include <linux/kernel.h> +#include <linux/module.h> +#include <linux/pm.h> +#include <linux/device.h> +#include <linux/of_device.h> +#include <linux/platform_device.h> +#include <linux/libata.h> +#include <linux/ahci_platform.h> +#include <linux/acpi.h> +#include <linux/pci_ids.h> +#include "ahci.h" + +/* SGPIO Control Register definition + * + * Bit Type Description + * 31 RW OD7.2 (activity) + * 30 RW OD7.1 (locate) + * 29 RW OD7.0 (fault) + * 28...8 RW OD6.2...OD0.0 (3bits per port, 1 bit per LED) + * 7 RO SGPIO feature flag + * 6:4 RO Reserved + * 3:0 RO Number of ports (0 means no port supported) + */ +#define ACTIVITY_BIT_POS(x) (8 + (3 * x)) +#define LOCATE_BIT_POS(x) (ACTIVITY_BIT_POS(x) + 1) +#define FAULT_BIT_POS(x) (LOCATE_BIT_POS(x) + 1) + +#define ACTIVITY_MASK 0x00010000 +#define LOCATE_MASK 0x00080000 +#define FAULT_MASK 0x00400000 + +#define DRV_NAME "ahci-seattle" + +static ssize_t seattle_transmit_led_message(struct ata_port *ap, u32 state, + ssize_t size); + +struct seattle_plat_data { + void __iomem *sgpio_ctrl; +}; + +static struct ata_port_operations ahci_port_ops = { + .inherits = &ahci_ops, +}; + +static const struct ata_port_info ahci_port_info = { + .flags = AHCI_FLAG_COMMON, + .pio_mask = ATA_PIO4, + .udma_mask = ATA_UDMA6, + .port_ops = &ahci_port_ops, +}; + +static struct ata_port_operations ahci_seattle_ops = { + .inherits = &ahci_ops, + .transmit_led_message = seattle_transmit_led_message, +}; + +static const struct ata_port_info ahci_port_seattle_info = { + .flags = AHCI_FLAG_COMMON | ATA_FLAG_EM | ATA_FLAG_SW_ACTIVITY, + .link_flags = ATA_LFLAG_SW_ACTIVITY, + .pio_mask = ATA_PIO4, + .udma_mask = ATA_UDMA6, + .port_ops = &ahci_seattle_ops, +}; + +static struct scsi_host_template ahci_platform_sht = { + AHCI_SHT(DRV_NAME), +}; + +static ssize_t seattle_transmit_led_message(struct ata_port *ap, u32 state, + ssize_t size) +{ + struct ahci_host_priv *hpriv = ap->host->private_data; + struct ahci_port_priv *pp = ap->private_data; + struct seattle_plat_data *plat_data = hpriv->plat_data; + unsigned long flags; + int pmp; + struct ahci_em_priv *emp; + u32 val; + + /* get the slot number from the message */ + pmp = (state & EM_MSG_LED_PMP_SLOT) >> 8; + if (pmp >= EM_MAX_SLOTS) + return -EINVAL; + emp = &pp->em_priv[pmp]; + + val = ioread32(plat_data->sgpio_ctrl); + if (state & ACTIVITY_MASK) + val |= 1 << ACTIVITY_BIT_POS((ap->port_no)); + else + val &= ~(1 << ACTIVITY_BIT_POS((ap->port_no))); + + if (state & LOCATE_MASK) + val |= 1 << LOCATE_BIT_POS((ap->port_no)); + else + val &= ~(1 << LOCATE_BIT_POS((ap->port_no))); + + if (state & FAULT_MASK) + val |= 1 << FAULT_BIT_POS((ap->port_no)); + else + val &= ~(1 << FAULT_BIT_POS((ap->port_no))); + + iowrite32(val, plat_data->sgpio_ctrl); + + spin_lock_irqsave(ap->lock, flags); + + /* save off new led state for port/slot */ + emp->led_state = state; + + spin_unlock_irqrestore(ap->lock, flags); + + return size; +} + +static const struct ata_port_info *ahci_seattle_get_port_info( + struct platform_device *pdev, struct ahci_host_priv *hpriv) +{ + struct device *dev = &pdev->dev; + struct seattle_plat_data *plat_data; + u32 val; + + plat_data = devm_kzalloc(dev, sizeof(*plat_data), GFP_KERNEL); + if (IS_ERR(plat_data)) + return &ahci_port_info; + + plat_data->sgpio_ctrl = devm_ioremap_resource(dev, + platform_get_resource(pdev, IORESOURCE_MEM, 1)); + if (IS_ERR(plat_data->sgpio_ctrl)) + return &ahci_port_info; + + val = ioread32(plat_data->sgpio_ctrl); + + if (!(val & 0xf)) + return &ahci_port_info; + + hpriv->em_loc = 0; + hpriv->em_buf_sz = 4; + hpriv->em_msg_type = EM_MSG_TYPE_LED; + hpriv->plat_data = plat_data; + + dev_info(dev, "SGPIO LED control is enabled.\n"); + return &ahci_port_seattle_info; +} + +static int ahci_seattle_probe(struct platform_device *pdev) +{ + int rc; + struct ahci_host_priv *hpriv; + + hpriv = ahci_platform_get_resources(pdev); + if (IS_ERR(hpriv)) + return PTR_ERR(hpriv); + + rc = ahci_platform_enable_resources(hpriv); + if (rc) + return rc; + + rc = ahci_platform_init_host(pdev, hpriv, + ahci_seattle_get_port_info(pdev, hpriv), + &ahci_platform_sht); + if (rc) + goto disable_resources; + + return 0; +disable_resources: + ahci_platform_disable_resources(hpriv); + return rc; +} + +static SIMPLE_DEV_PM_OPS(ahci_pm_ops, ahci_platform_suspend, + ahci_platform_resume); + +static const struct acpi_device_id ahci_acpi_match[] = { + { "AMDI0600", 0 }, + {} +}; +MODULE_DEVICE_TABLE(acpi, ahci_acpi_match); + +static struct platform_driver ahci_seattle_driver = { + .probe = ahci_seattle_probe, + .remove = ata_platform_remove_one, + .driver = { + .name = DRV_NAME, + .acpi_match_table = ahci_acpi_match, + .pm = &ahci_pm_ops, + }, +}; +module_platform_driver(ahci_seattle_driver); + +MODULE_DESCRIPTION("Seattle AHCI SATA platform driver"); +MODULE_AUTHOR("Brijesh Singh <brijesh.singh@amd.com>"); +MODULE_LICENSE("GPL"); +MODULE_ALIAS("platform:" DRV_NAME); diff --git a/drivers/ata/libahci.c b/drivers/ata/libahci.c index 3982054060b8..a5d7c1c2a05e 100644 --- a/drivers/ata/libahci.c +++ b/drivers/ata/libahci.c @@ -507,6 +507,7 @@ void ahci_save_initial_config(struct device *dev, struct ahci_host_priv *hpriv) dev_info(dev, "forcing port_map 0x%x -> 0x%x\n", port_map, hpriv->force_port_map); port_map = hpriv->force_port_map; + hpriv->saved_port_map = port_map; } if (hpriv->mask_port_map) { diff --git a/drivers/base/power/opp/core.c b/drivers/base/power/opp/core.c index 433b60092972..d8f4cc22856c 100644 --- a/drivers/base/power/opp/core.c +++ b/drivers/base/power/opp/core.c @@ -259,9 +259,6 @@ unsigned long dev_pm_opp_get_max_volt_latency(struct device *dev) reg = opp_table->regulator; if (IS_ERR(reg)) { /* Regulator may not be required for device */ - if (reg) - dev_err(dev, "%s: Invalid regulator (%ld)\n", __func__, - PTR_ERR(reg)); rcu_read_unlock(); return 0; } diff --git a/drivers/base/property.c b/drivers/base/property.c index 9b1a65debd49..7f692accdc90 100644 --- a/drivers/base/property.c +++ b/drivers/base/property.c @@ -21,7 +21,7 @@ static inline bool is_pset_node(struct fwnode_handle *fwnode) { - return fwnode && fwnode->type == FWNODE_PDATA; + return !IS_ERR_OR_NULL(fwnode) && fwnode->type == FWNODE_PDATA; } static inline struct property_set *to_pset_node(struct fwnode_handle *fwnode) diff --git a/drivers/clk/imx/clk-imx6q.c b/drivers/clk/imx/clk-imx6q.c index 02e18182fcb5..2beb396fe652 100644 --- a/drivers/clk/imx/clk-imx6q.c +++ b/drivers/clk/imx/clk-imx6q.c @@ -394,7 +394,7 @@ static void __init imx6q_clocks_init(struct device_node *ccm_node) clk[IMX6QDL_CLK_LDB_DI1_DIV_3_5] = imx_clk_fixed_factor("ldb_di1_div_3_5", "ldb_di1", 2, 7); } else { clk[IMX6QDL_CLK_ECSPI_ROOT] = imx_clk_divider("ecspi_root", "pll3_60m", base + 0x38, 19, 6); - clk[IMX6QDL_CLK_CAN_ROOT] = imx_clk_divider("can_root", "pll3_60", base + 0x20, 2, 6); + clk[IMX6QDL_CLK_CAN_ROOT] = imx_clk_divider("can_root", "pll3_60m", base + 0x20, 2, 6); clk[IMX6QDL_CLK_IPG_PER] = imx_clk_fixup_divider("ipg_per", "ipg", base + 0x1c, 0, 6, imx_cscmr1_fixup); clk[IMX6QDL_CLK_UART_SERIAL_PODF] = imx_clk_divider("uart_serial_podf", "pll3_80m", base + 0x24, 0, 6); clk[IMX6QDL_CLK_LDB_DI0_DIV_3_5] = imx_clk_fixed_factor("ldb_di0_div_3_5", "ldb_di0_sel", 2, 7); diff --git a/drivers/cpufreq/cpufreq.c b/drivers/cpufreq/cpufreq.c index e93405f0eac4..c4acfc5273b3 100644 --- a/drivers/cpufreq/cpufreq.c +++ b/drivers/cpufreq/cpufreq.c @@ -1557,21 +1557,25 @@ void cpufreq_suspend(void) if (!cpufreq_driver) return; - if (!has_target()) + if (!has_target() && !cpufreq_driver->suspend) goto suspend; pr_debug("%s: Suspending Governors\n", __func__); for_each_active_policy(policy) { - down_write(&policy->rwsem); - ret = cpufreq_governor(policy, CPUFREQ_GOV_STOP); - up_write(&policy->rwsem); + if (has_target()) { + down_write(&policy->rwsem); + ret = cpufreq_governor(policy, CPUFREQ_GOV_STOP); + up_write(&policy->rwsem); - if (ret) - pr_err("%s: Failed to stop governor for policy: %p\n", - __func__, policy); - else if (cpufreq_driver->suspend - && cpufreq_driver->suspend(policy)) + if (ret) { + pr_err("%s: Failed to stop governor for policy: %p\n", + __func__, policy); + continue; + } + } + + if (cpufreq_driver->suspend && cpufreq_driver->suspend(policy)) pr_err("%s: Failed to suspend driver: %p\n", __func__, policy); } @@ -1596,7 +1600,7 @@ void cpufreq_resume(void) cpufreq_suspended = false; - if (!has_target()) + if (!has_target() && !cpufreq_driver->resume) return; pr_debug("%s: Resuming Governors\n", __func__); @@ -1605,7 +1609,7 @@ void cpufreq_resume(void) if (cpufreq_driver->resume && cpufreq_driver->resume(policy)) { pr_err("%s: Failed to resume driver: %p\n", __func__, policy); - } else { + } else if (has_target()) { down_write(&policy->rwsem); ret = cpufreq_start_governor(policy); up_write(&policy->rwsem); diff --git a/drivers/cpufreq/intel_pstate.c b/drivers/cpufreq/intel_pstate.c index f502d5b90c25..b230ebaae66c 100644 --- a/drivers/cpufreq/intel_pstate.c +++ b/drivers/cpufreq/intel_pstate.c @@ -453,6 +453,14 @@ static void intel_pstate_hwp_set(const struct cpumask *cpumask) } } +static int intel_pstate_hwp_set_policy(struct cpufreq_policy *policy) +{ + if (hwp_active) + intel_pstate_hwp_set(policy->cpus); + + return 0; +} + static void intel_pstate_hwp_set_online_cpus(void) { get_online_cpus(); @@ -1062,8 +1070,9 @@ static inline bool intel_pstate_sample(struct cpudata *cpu, u64 time) static inline int32_t get_avg_frequency(struct cpudata *cpu) { - return div64_u64(cpu->pstate.max_pstate_physical * cpu->sample.aperf * - cpu->pstate.scaling, cpu->sample.mperf); + return fp_toint(mul_fp(cpu->sample.core_pct_busy, + int_tofp(cpu->pstate.max_pstate_physical * + cpu->pstate.scaling / 100))); } static inline int32_t get_target_pstate_use_cpu_load(struct cpudata *cpu) @@ -1106,8 +1115,6 @@ static inline int32_t get_target_pstate_use_performance(struct cpudata *cpu) int32_t core_busy, max_pstate, current_pstate, sample_ratio; u64 duration_ns; - intel_pstate_calc_busy(cpu); - /* * core_busy is the ratio of actual performance to max * max_pstate is the max non turbo pstate available @@ -1191,8 +1198,11 @@ static void intel_pstate_update_util(struct update_util_data *data, u64 time, if ((s64)delta_ns >= pid_params.sample_rate_ns) { bool sample_taken = intel_pstate_sample(cpu, time); - if (sample_taken && !hwp_active) - intel_pstate_adjust_busy_pstate(cpu); + if (sample_taken) { + intel_pstate_calc_busy(cpu); + if (!hwp_active) + intel_pstate_adjust_busy_pstate(cpu); + } } } @@ -1346,8 +1356,7 @@ static int intel_pstate_set_policy(struct cpufreq_policy *policy) out: intel_pstate_set_update_util_hook(policy->cpu); - if (hwp_active) - intel_pstate_hwp_set(policy->cpus); + intel_pstate_hwp_set_policy(policy); return 0; } @@ -1411,6 +1420,7 @@ static struct cpufreq_driver intel_pstate_driver = { .flags = CPUFREQ_CONST_LOOPS, .verify = intel_pstate_verify_policy, .setpolicy = intel_pstate_set_policy, + .resume = intel_pstate_hwp_set_policy, .get = intel_pstate_get, .init = intel_pstate_cpu_init, .stop_cpu = intel_pstate_stop_cpu, diff --git a/drivers/cpufreq/sti-cpufreq.c b/drivers/cpufreq/sti-cpufreq.c index a9c659f58974..04042038ec4b 100644 --- a/drivers/cpufreq/sti-cpufreq.c +++ b/drivers/cpufreq/sti-cpufreq.c @@ -259,6 +259,10 @@ static int sti_cpufreq_init(void) { int ret; + if ((!of_machine_is_compatible("st,stih407")) && + (!of_machine_is_compatible("st,stih410"))) + return -ENODEV; + ddata.cpu = get_cpu_device(0); if (!ddata.cpu) { dev_err(ddata.cpu, "Failed to get device for CPU0\n"); diff --git a/drivers/cpuidle/cpuidle-arm.c b/drivers/cpuidle/cpuidle-arm.c index 545069d5fdfb..e342565e8715 100644 --- a/drivers/cpuidle/cpuidle-arm.c +++ b/drivers/cpuidle/cpuidle-arm.c @@ -50,7 +50,7 @@ static int arm_enter_idle_state(struct cpuidle_device *dev, * call the CPU ops suspend protocol with idle index as a * parameter. */ - arm_cpuidle_suspend(idx); + ret = arm_cpuidle_suspend(idx); cpu_pm_exit(); } diff --git a/drivers/firmware/qemu_fw_cfg.c b/drivers/firmware/qemu_fw_cfg.c index 815c4a5cae54..1b95475b6aef 100644 --- a/drivers/firmware/qemu_fw_cfg.c +++ b/drivers/firmware/qemu_fw_cfg.c @@ -77,7 +77,7 @@ static inline u16 fw_cfg_sel_endianness(u16 key) static inline void fw_cfg_read_blob(u16 key, void *buf, loff_t pos, size_t count) { - u32 glk; + u32 glk = -1U; acpi_status status; /* If we have ACPI, ensure mutual exclusion against any potential diff --git a/drivers/gpio/gpio-rcar.c b/drivers/gpio/gpio-rcar.c index d9ab0cd1d205..4d9a315cfd43 100644 --- a/drivers/gpio/gpio-rcar.c +++ b/drivers/gpio/gpio-rcar.c @@ -196,44 +196,6 @@ static int gpio_rcar_irq_set_wake(struct irq_data *d, unsigned int on) return 0; } -static void gpio_rcar_irq_bus_lock(struct irq_data *d) -{ - struct gpio_chip *gc = irq_data_get_irq_chip_data(d); - struct gpio_rcar_priv *p = gpiochip_get_data(gc); - - pm_runtime_get_sync(&p->pdev->dev); -} - -static void gpio_rcar_irq_bus_sync_unlock(struct irq_data *d) -{ - struct gpio_chip *gc = irq_data_get_irq_chip_data(d); - struct gpio_rcar_priv *p = gpiochip_get_data(gc); - - pm_runtime_put(&p->pdev->dev); -} - - -static int gpio_rcar_irq_request_resources(struct irq_data *d) -{ - struct gpio_chip *gc = irq_data_get_irq_chip_data(d); - struct gpio_rcar_priv *p = gpiochip_get_data(gc); - int error; - - error = pm_runtime_get_sync(&p->pdev->dev); - if (error < 0) - return error; - - return 0; -} - -static void gpio_rcar_irq_release_resources(struct irq_data *d) -{ - struct gpio_chip *gc = irq_data_get_irq_chip_data(d); - struct gpio_rcar_priv *p = gpiochip_get_data(gc); - - pm_runtime_put(&p->pdev->dev); -} - static irqreturn_t gpio_rcar_irq_handler(int irq, void *dev_id) { struct gpio_rcar_priv *p = dev_id; @@ -280,32 +242,18 @@ static void gpio_rcar_config_general_input_output_mode(struct gpio_chip *chip, static int gpio_rcar_request(struct gpio_chip *chip, unsigned offset) { - struct gpio_rcar_priv *p = gpiochip_get_data(chip); - int error; - - error = pm_runtime_get_sync(&p->pdev->dev); - if (error < 0) - return error; - - error = pinctrl_request_gpio(chip->base + offset); - if (error) - pm_runtime_put(&p->pdev->dev); - - return error; + return pinctrl_request_gpio(chip->base + offset); } static void gpio_rcar_free(struct gpio_chip *chip, unsigned offset) { - struct gpio_rcar_priv *p = gpiochip_get_data(chip); - pinctrl_free_gpio(chip->base + offset); - /* Set the GPIO as an input to ensure that the next GPIO request won't + /* + * Set the GPIO as an input to ensure that the next GPIO request won't * drive the GPIO pin as an output. */ gpio_rcar_config_general_input_output_mode(chip, offset, false); - - pm_runtime_put(&p->pdev->dev); } static int gpio_rcar_direction_input(struct gpio_chip *chip, unsigned offset) @@ -452,6 +400,7 @@ static int gpio_rcar_probe(struct platform_device *pdev) } pm_runtime_enable(dev); + pm_runtime_get_sync(dev); io = platform_get_resource(pdev, IORESOURCE_MEM, 0); irq = platform_get_resource(pdev, IORESOURCE_IRQ, 0); @@ -488,10 +437,6 @@ static int gpio_rcar_probe(struct platform_device *pdev) irq_chip->irq_unmask = gpio_rcar_irq_enable; irq_chip->irq_set_type = gpio_rcar_irq_set_type; irq_chip->irq_set_wake = gpio_rcar_irq_set_wake; - irq_chip->irq_bus_lock = gpio_rcar_irq_bus_lock; - irq_chip->irq_bus_sync_unlock = gpio_rcar_irq_bus_sync_unlock; - irq_chip->irq_request_resources = gpio_rcar_irq_request_resources; - irq_chip->irq_release_resources = gpio_rcar_irq_release_resources; irq_chip->flags = IRQCHIP_SET_TYPE_MASKED | IRQCHIP_MASK_ON_SUSPEND; ret = gpiochip_add_data(gpio_chip, p); @@ -522,6 +467,7 @@ static int gpio_rcar_probe(struct platform_device *pdev) err1: gpiochip_remove(gpio_chip); err0: + pm_runtime_put(dev); pm_runtime_disable(dev); return ret; } @@ -532,6 +478,7 @@ static int gpio_rcar_remove(struct platform_device *pdev) gpiochip_remove(&p->gpio_chip); + pm_runtime_put(&pdev->dev); pm_runtime_disable(&pdev->dev); return 0; } diff --git a/drivers/gpio/gpiolib-acpi.c b/drivers/gpio/gpiolib-acpi.c index 682070d20f00..2dc52585e3f2 100644 --- a/drivers/gpio/gpiolib-acpi.c +++ b/drivers/gpio/gpiolib-acpi.c @@ -977,7 +977,7 @@ bool acpi_can_fallback_to_crs(struct acpi_device *adev, const char *con_id) lookup = kmalloc(sizeof(*lookup), GFP_KERNEL); if (lookup) { lookup->adev = adev; - lookup->con_id = con_id; + lookup->con_id = kstrdup(con_id, GFP_KERNEL); list_add_tail(&lookup->node, &acpi_crs_lookup_list); } } diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_object.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_object.c index e557fc1f17c8..7ecea83ce453 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_object.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_object.c @@ -541,6 +541,7 @@ int amdgpu_bo_set_metadata (struct amdgpu_bo *bo, void *metadata, if (!metadata_size) { if (bo->metadata_size) { kfree(bo->metadata); + bo->metadata = NULL; bo->metadata_size = 0; } return 0; diff --git a/drivers/gpu/drm/amd/amdgpu/atombios_encoders.c b/drivers/gpu/drm/amd/amdgpu/atombios_encoders.c index 1e0bba29e167..1cd6de575305 100644 --- a/drivers/gpu/drm/amd/amdgpu/atombios_encoders.c +++ b/drivers/gpu/drm/amd/amdgpu/atombios_encoders.c @@ -298,6 +298,10 @@ bool amdgpu_atombios_encoder_mode_fixup(struct drm_encoder *encoder, && (mode->crtc_vsync_start < (mode->crtc_vdisplay + 2))) adjusted_mode->crtc_vsync_start = adjusted_mode->crtc_vdisplay + 2; + /* vertical FP must be at least 1 */ + if (mode->crtc_vsync_start == mode->crtc_vdisplay) + adjusted_mode->crtc_vsync_start++; + /* get the native mode for scaling */ if (amdgpu_encoder->active_device & (ATOM_DEVICE_LCD_SUPPORT)) amdgpu_panel_mode_fixup(encoder, adjusted_mode); diff --git a/drivers/gpu/drm/i915/i915_drv.c b/drivers/gpu/drm/i915/i915_drv.c index 30798cbc6fc0..6d2fb3f4ac62 100644 --- a/drivers/gpu/drm/i915/i915_drv.c +++ b/drivers/gpu/drm/i915/i915_drv.c @@ -792,7 +792,7 @@ static int i915_drm_resume(struct drm_device *dev) static int i915_drm_resume_early(struct drm_device *dev) { struct drm_i915_private *dev_priv = dev->dev_private; - int ret = 0; + int ret; /* * We have a resume ordering issue with the snd-hda driver also @@ -803,6 +803,36 @@ static int i915_drm_resume_early(struct drm_device *dev) * FIXME: This should be solved with a special hdmi sink device or * similar so that power domains can be employed. */ + + /* + * Note that we need to set the power state explicitly, since we + * powered off the device during freeze and the PCI core won't power + * it back up for us during thaw. Powering off the device during + * freeze is not a hard requirement though, and during the + * suspend/resume phases the PCI core makes sure we get here with the + * device powered on. So in case we change our freeze logic and keep + * the device powered we can also remove the following set power state + * call. + */ + ret = pci_set_power_state(dev->pdev, PCI_D0); + if (ret) { + DRM_ERROR("failed to set PCI D0 power state (%d)\n", ret); + goto out; + } + + /* + * Note that pci_enable_device() first enables any parent bridge + * device and only then sets the power state for this device. The + * bridge enabling is a nop though, since bridge devices are resumed + * first. The order of enabling power and enabling the device is + * imposed by the PCI core as described above, so here we preserve the + * same order for the freeze/thaw phases. + * + * TODO: eventually we should remove pci_disable_device() / + * pci_enable_enable_device() from suspend/resume. Due to how they + * depend on the device enable refcount we can't anyway depend on them + * disabling/enabling the device. + */ if (pci_enable_device(dev->pdev)) { ret = -EIO; goto out; diff --git a/drivers/gpu/drm/i915/i915_reg.h b/drivers/gpu/drm/i915/i915_reg.h index f76cbf3e5d1e..fffdac801d3b 100644 --- a/drivers/gpu/drm/i915/i915_reg.h +++ b/drivers/gpu/drm/i915/i915_reg.h @@ -2907,7 +2907,14 @@ enum skl_disp_power_wells { #define GEN6_RP_STATE_CAP _MMIO(MCHBAR_MIRROR_BASE_SNB + 0x5998) #define BXT_RP_STATE_CAP _MMIO(0x138170) -#define INTERVAL_1_28_US(us) (((us) * 100) >> 7) +/* + * Make these a multiple of magic 25 to avoid SNB (eg. Dell XPS + * 8300) freezing up around GPU hangs. Looks as if even + * scheduling/timer interrupts start misbehaving if the RPS + * EI/thresholds are "bad", leading to a very sluggish or even + * frozen machine. + */ +#define INTERVAL_1_28_US(us) roundup(((us) * 100) >> 7, 25) #define INTERVAL_1_33_US(us) (((us) * 3) >> 2) #define INTERVAL_0_833_US(us) (((us) * 6) / 5) #define GT_INTERVAL_FROM_US(dev_priv, us) (IS_GEN9(dev_priv) ? \ diff --git a/drivers/gpu/drm/i915/intel_ddi.c b/drivers/gpu/drm/i915/intel_ddi.c index 62de9f4bce09..3b57bf06abe8 100644 --- a/drivers/gpu/drm/i915/intel_ddi.c +++ b/drivers/gpu/drm/i915/intel_ddi.c @@ -443,9 +443,17 @@ void intel_prepare_ddi_buffer(struct intel_encoder *encoder) } else if (IS_BROADWELL(dev_priv)) { ddi_translations_fdi = bdw_ddi_translations_fdi; ddi_translations_dp = bdw_ddi_translations_dp; - ddi_translations_edp = bdw_ddi_translations_edp; + + if (dev_priv->edp_low_vswing) { + ddi_translations_edp = bdw_ddi_translations_edp; + n_edp_entries = ARRAY_SIZE(bdw_ddi_translations_edp); + } else { + ddi_translations_edp = bdw_ddi_translations_dp; + n_edp_entries = ARRAY_SIZE(bdw_ddi_translations_dp); + } + ddi_translations_hdmi = bdw_ddi_translations_hdmi; - n_edp_entries = ARRAY_SIZE(bdw_ddi_translations_edp); + n_dp_entries = ARRAY_SIZE(bdw_ddi_translations_dp); n_hdmi_entries = ARRAY_SIZE(bdw_ddi_translations_hdmi); hdmi_default_entry = 7; @@ -3201,12 +3209,6 @@ void intel_ddi_get_config(struct intel_encoder *encoder, intel_ddi_clock_get(encoder, pipe_config); } -static void intel_ddi_destroy(struct drm_encoder *encoder) -{ - /* HDMI has nothing special to destroy, so we can go with this. */ - intel_dp_encoder_destroy(encoder); -} - static bool intel_ddi_compute_config(struct intel_encoder *encoder, struct intel_crtc_state *pipe_config) { @@ -3225,7 +3227,8 @@ static bool intel_ddi_compute_config(struct intel_encoder *encoder, } static const struct drm_encoder_funcs intel_ddi_funcs = { - .destroy = intel_ddi_destroy, + .reset = intel_dp_encoder_reset, + .destroy = intel_dp_encoder_destroy, }; static struct intel_connector * @@ -3324,6 +3327,7 @@ void intel_ddi_init(struct drm_device *dev, enum port port) intel_encoder->post_disable = intel_ddi_post_disable; intel_encoder->get_hw_state = intel_ddi_get_hw_state; intel_encoder->get_config = intel_ddi_get_config; + intel_encoder->suspend = intel_dp_encoder_suspend; intel_dig_port->port = port; intel_dig_port->saved_port_bits = I915_READ(DDI_BUF_CTL(port)) & diff --git a/drivers/gpu/drm/i915/intel_display.c b/drivers/gpu/drm/i915/intel_display.c index 6e0d8283daa6..182f84937345 100644 --- a/drivers/gpu/drm/i915/intel_display.c +++ b/drivers/gpu/drm/i915/intel_display.c @@ -13351,6 +13351,9 @@ static int intel_atomic_prepare_commit(struct drm_device *dev, } for_each_crtc_in_state(state, crtc, crtc_state, i) { + if (state->legacy_cursor_update) + continue; + ret = intel_crtc_wait_for_pending_flips(crtc); if (ret) return ret; diff --git a/drivers/gpu/drm/i915/intel_dp.c b/drivers/gpu/drm/i915/intel_dp.c index f069a82deb57..412a34c39522 100644 --- a/drivers/gpu/drm/i915/intel_dp.c +++ b/drivers/gpu/drm/i915/intel_dp.c @@ -4898,7 +4898,7 @@ void intel_dp_encoder_destroy(struct drm_encoder *encoder) kfree(intel_dig_port); } -static void intel_dp_encoder_suspend(struct intel_encoder *intel_encoder) +void intel_dp_encoder_suspend(struct intel_encoder *intel_encoder) { struct intel_dp *intel_dp = enc_to_intel_dp(&intel_encoder->base); @@ -4940,7 +4940,7 @@ static void intel_edp_panel_vdd_sanitize(struct intel_dp *intel_dp) edp_panel_vdd_schedule_off(intel_dp); } -static void intel_dp_encoder_reset(struct drm_encoder *encoder) +void intel_dp_encoder_reset(struct drm_encoder *encoder) { struct intel_dp *intel_dp; diff --git a/drivers/gpu/drm/i915/intel_drv.h b/drivers/gpu/drm/i915/intel_drv.h index 4c027d69fac9..7d3af3a72abe 100644 --- a/drivers/gpu/drm/i915/intel_drv.h +++ b/drivers/gpu/drm/i915/intel_drv.h @@ -1238,6 +1238,8 @@ void intel_dp_set_link_params(struct intel_dp *intel_dp, void intel_dp_start_link_train(struct intel_dp *intel_dp); void intel_dp_stop_link_train(struct intel_dp *intel_dp); void intel_dp_sink_dpms(struct intel_dp *intel_dp, int mode); +void intel_dp_encoder_reset(struct drm_encoder *encoder); +void intel_dp_encoder_suspend(struct intel_encoder *intel_encoder); void intel_dp_encoder_destroy(struct drm_encoder *encoder); int intel_dp_sink_crc(struct intel_dp *intel_dp, u8 *crc); bool intel_dp_compute_config(struct intel_encoder *encoder, diff --git a/drivers/gpu/drm/i915/intel_hdmi.c b/drivers/gpu/drm/i915/intel_hdmi.c index a0d8daed2470..1ab6f687f640 100644 --- a/drivers/gpu/drm/i915/intel_hdmi.c +++ b/drivers/gpu/drm/i915/intel_hdmi.c @@ -1415,8 +1415,16 @@ intel_hdmi_detect(struct drm_connector *connector, bool force) hdmi_to_dig_port(intel_hdmi)); } - if (!live_status) - DRM_DEBUG_KMS("Live status not up!"); + if (!live_status) { + DRM_DEBUG_KMS("HDMI live status down\n"); + /* + * Live status register is not reliable on all intel platforms. + * So consider live_status only for certain platforms, for + * others, read EDID to determine presence of sink. + */ + if (INTEL_INFO(dev_priv)->gen < 7 || IS_IVYBRIDGE(dev_priv)) + live_status = true; + } intel_hdmi_unset_edid(connector); diff --git a/drivers/gpu/drm/radeon/atombios_encoders.c b/drivers/gpu/drm/radeon/atombios_encoders.c index edd05cdb0cd8..587cae4e73c9 100644 --- a/drivers/gpu/drm/radeon/atombios_encoders.c +++ b/drivers/gpu/drm/radeon/atombios_encoders.c @@ -310,6 +310,10 @@ static bool radeon_atom_mode_fixup(struct drm_encoder *encoder, && (mode->crtc_vsync_start < (mode->crtc_vdisplay + 2))) adjusted_mode->crtc_vsync_start = adjusted_mode->crtc_vdisplay + 2; + /* vertical FP must be at least 1 */ + if (mode->crtc_vsync_start == mode->crtc_vdisplay) + adjusted_mode->crtc_vsync_start++; + /* get the native mode for scaling */ if (radeon_encoder->active_device & (ATOM_DEVICE_LCD_SUPPORT)) { radeon_panel_mode_fixup(encoder, adjusted_mode); diff --git a/drivers/gpu/ipu-v3/ipu-common.c b/drivers/gpu/ipu-v3/ipu-common.c index e00db3f510dd..abb98c77bad2 100644 --- a/drivers/gpu/ipu-v3/ipu-common.c +++ b/drivers/gpu/ipu-v3/ipu-common.c @@ -1068,7 +1068,6 @@ static int ipu_add_client_devices(struct ipu_soc *ipu, unsigned long ipu_base) goto err_register; } - pdev->dev.of_node = of_node; pdev->dev.parent = dev; ret = platform_device_add_data(pdev, ®->pdata, @@ -1079,6 +1078,12 @@ static int ipu_add_client_devices(struct ipu_soc *ipu, unsigned long ipu_base) platform_device_put(pdev); goto err_register; } + + /* + * Set of_node only after calling platform_device_add. Otherwise + * the platform:imx-ipuv3-crtc modalias won't be used. + */ + pdev->dev.of_node = of_node; } return 0; diff --git a/drivers/hid/hid-ids.h b/drivers/hid/hid-ids.h index c6eaff5f8845..0238f0169e48 100644 --- a/drivers/hid/hid-ids.h +++ b/drivers/hid/hid-ids.h @@ -259,6 +259,7 @@ #define USB_DEVICE_ID_CORSAIR_K90 0x1b02 #define USB_VENDOR_ID_CREATIVELABS 0x041e +#define USB_DEVICE_ID_CREATIVE_SB_OMNI_SURROUND_51 0x322c #define USB_DEVICE_ID_PRODIKEYS_PCMIDI 0x2801 #define USB_VENDOR_ID_CVTOUCH 0x1ff7 diff --git a/drivers/hid/usbhid/hid-quirks.c b/drivers/hid/usbhid/hid-quirks.c index ed2f68edc8f1..53fc856d6867 100644 --- a/drivers/hid/usbhid/hid-quirks.c +++ b/drivers/hid/usbhid/hid-quirks.c @@ -71,6 +71,7 @@ static const struct hid_blacklist { { USB_VENDOR_ID_CH, USB_DEVICE_ID_CH_3AXIS_5BUTTON_STICK, HID_QUIRK_NOGET }, { USB_VENDOR_ID_CH, USB_DEVICE_ID_CH_AXIS_295, HID_QUIRK_NOGET }, { USB_VENDOR_ID_CHICONY, USB_DEVICE_ID_CHICONY_PIXART_USB_OPTICAL_MOUSE, HID_QUIRK_ALWAYS_POLL }, + { USB_VENDOR_ID_CREATIVELABS, USB_DEVICE_ID_CREATIVE_SB_OMNI_SURROUND_51, HID_QUIRK_NOGET }, { USB_VENDOR_ID_DMI, USB_DEVICE_ID_DMI_ENC, HID_QUIRK_NOGET }, { USB_VENDOR_ID_DRAGONRISE, USB_DEVICE_ID_DRAGONRISE_WIIU, HID_QUIRK_MULTI_INPUT }, { USB_VENDOR_ID_ELAN, HID_ANY_ID, HID_QUIRK_ALWAYS_POLL }, diff --git a/drivers/hid/wacom_wac.c b/drivers/hid/wacom_wac.c index 02c4efea241c..cf2ba43453fd 100644 --- a/drivers/hid/wacom_wac.c +++ b/drivers/hid/wacom_wac.c @@ -684,6 +684,7 @@ static int wacom_intuos_inout(struct wacom_wac *wacom) wacom->tool[idx] = wacom_intuos_get_tool_type(wacom->id[idx]); + wacom->shared->stylus_in_proximity = true; return 1; } @@ -3395,6 +3396,10 @@ static const struct wacom_features wacom_features_0x33E = { "Wacom Intuos PT M 2", 21600, 13500, 2047, 63, INTUOSHT2, WACOM_INTUOS_RES, WACOM_INTUOS_RES, .touch_max = 16, .check_for_hid_type = true, .hid_type = HID_TYPE_USBNONE }; +static const struct wacom_features wacom_features_0x343 = + { "Wacom DTK1651", 34616, 19559, 1023, 0, + DTUS, WACOM_INTUOS_RES, WACOM_INTUOS_RES, 4, + WACOM_DTU_OFFSET, WACOM_DTU_OFFSET }; static const struct wacom_features wacom_features_HID_ANY_ID = { "Wacom HID", .type = HID_GENERIC }; @@ -3560,6 +3565,7 @@ const struct hid_device_id wacom_ids[] = { { USB_DEVICE_WACOM(0x33C) }, { USB_DEVICE_WACOM(0x33D) }, { USB_DEVICE_WACOM(0x33E) }, + { USB_DEVICE_WACOM(0x343) }, { USB_DEVICE_WACOM(0x4001) }, { USB_DEVICE_WACOM(0x4004) }, { USB_DEVICE_WACOM(0x5000) }, diff --git a/drivers/hv/ring_buffer.c b/drivers/hv/ring_buffer.c index 5613e2b5cff7..a40a73a7b71d 100644 --- a/drivers/hv/ring_buffer.c +++ b/drivers/hv/ring_buffer.c @@ -103,15 +103,29 @@ static bool hv_need_to_signal(u32 old_write, struct hv_ring_buffer_info *rbi) * there is room for the producer to send the pending packet. */ -static bool hv_need_to_signal_on_read(u32 prev_write_sz, - struct hv_ring_buffer_info *rbi) +static bool hv_need_to_signal_on_read(struct hv_ring_buffer_info *rbi) { u32 cur_write_sz; u32 r_size; - u32 write_loc = rbi->ring_buffer->write_index; + u32 write_loc; u32 read_loc = rbi->ring_buffer->read_index; - u32 pending_sz = rbi->ring_buffer->pending_send_sz; + u32 pending_sz; + /* + * Issue a full memory barrier before making the signaling decision. + * Here is the reason for having this barrier: + * If the reading of the pend_sz (in this function) + * were to be reordered and read before we commit the new read + * index (in the calling function) we could + * have a problem. If the host were to set the pending_sz after we + * have sampled pending_sz and go to sleep before we commit the + * read index, we could miss sending the interrupt. Issue a full + * memory barrier to address this. + */ + mb(); + + pending_sz = rbi->ring_buffer->pending_send_sz; + write_loc = rbi->ring_buffer->write_index; /* If the other end is not blocked on write don't bother. */ if (pending_sz == 0) return false; @@ -120,7 +134,7 @@ static bool hv_need_to_signal_on_read(u32 prev_write_sz, cur_write_sz = write_loc >= read_loc ? r_size - (write_loc - read_loc) : read_loc - write_loc; - if ((prev_write_sz < pending_sz) && (cur_write_sz >= pending_sz)) + if (cur_write_sz >= pending_sz) return true; return false; @@ -455,7 +469,7 @@ int hv_ringbuffer_read(struct hv_ring_buffer_info *inring_info, /* Update the read index */ hv_set_next_read_location(inring_info, next_read_location); - *signal = hv_need_to_signal_on_read(bytes_avail_towrite, inring_info); + *signal = hv_need_to_signal_on_read(inring_info); return ret; } diff --git a/drivers/iio/adc/at91-sama5d2_adc.c b/drivers/iio/adc/at91-sama5d2_adc.c index dbee13ad33a3..2e154cb51685 100644 --- a/drivers/iio/adc/at91-sama5d2_adc.c +++ b/drivers/iio/adc/at91-sama5d2_adc.c @@ -451,6 +451,8 @@ static int at91_adc_probe(struct platform_device *pdev) if (ret) goto vref_disable; + platform_set_drvdata(pdev, indio_dev); + ret = iio_device_register(indio_dev); if (ret < 0) goto per_clk_disable_unprepare; diff --git a/drivers/iio/imu/inv_mpu6050/inv_mpu_i2c.c b/drivers/iio/imu/inv_mpu6050/inv_mpu_i2c.c index f581256d9d4c..5ee4e0dc093e 100644 --- a/drivers/iio/imu/inv_mpu6050/inv_mpu_i2c.c +++ b/drivers/iio/imu/inv_mpu6050/inv_mpu_i2c.c @@ -104,6 +104,19 @@ static int inv_mpu6050_deselect_bypass(struct i2c_adapter *adap, return 0; } +static const char *inv_mpu_match_acpi_device(struct device *dev, int *chip_id) +{ + const struct acpi_device_id *id; + + id = acpi_match_device(dev->driver->acpi_match_table, dev); + if (!id) + return NULL; + + *chip_id = (int)id->driver_data; + + return dev_name(dev); +} + /** * inv_mpu_probe() - probe function. * @client: i2c client. @@ -115,14 +128,25 @@ static int inv_mpu_probe(struct i2c_client *client, const struct i2c_device_id *id) { struct inv_mpu6050_state *st; - int result; - const char *name = id ? id->name : NULL; + int result, chip_type; struct regmap *regmap; + const char *name; if (!i2c_check_functionality(client->adapter, I2C_FUNC_SMBUS_I2C_BLOCK)) return -EOPNOTSUPP; + if (id) { + chip_type = (int)id->driver_data; + name = id->name; + } else if (ACPI_HANDLE(&client->dev)) { + name = inv_mpu_match_acpi_device(&client->dev, &chip_type); + if (!name) + return -ENODEV; + } else { + return -ENOSYS; + } + regmap = devm_regmap_init_i2c(client, &inv_mpu_regmap_config); if (IS_ERR(regmap)) { dev_err(&client->dev, "Failed to register i2c regmap %d\n", @@ -131,7 +155,7 @@ static int inv_mpu_probe(struct i2c_client *client, } result = inv_mpu_core_probe(regmap, client->irq, name, - NULL, id->driver_data); + NULL, chip_type); if (result < 0) return result; diff --git a/drivers/iio/imu/inv_mpu6050/inv_mpu_spi.c b/drivers/iio/imu/inv_mpu6050/inv_mpu_spi.c index dea6c4361de0..7bcb8d839f05 100644 --- a/drivers/iio/imu/inv_mpu6050/inv_mpu_spi.c +++ b/drivers/iio/imu/inv_mpu6050/inv_mpu_spi.c @@ -46,6 +46,7 @@ static int inv_mpu_probe(struct spi_device *spi) struct regmap *regmap; const struct spi_device_id *id = spi_get_device_id(spi); const char *name = id ? id->name : NULL; + const int chip_type = id ? id->driver_data : 0; regmap = devm_regmap_init_spi(spi, &inv_mpu_regmap_config); if (IS_ERR(regmap)) { @@ -55,7 +56,7 @@ static int inv_mpu_probe(struct spi_device *spi) } return inv_mpu_core_probe(regmap, spi->irq, name, - inv_mpu_i2c_disable, id->driver_data); + inv_mpu_i2c_disable, chip_type); } static int inv_mpu_remove(struct spi_device *spi) diff --git a/drivers/iio/magnetometer/ak8975.c b/drivers/iio/magnetometer/ak8975.c index 9c5c9ef3f1da..0e931a9a1669 100644 --- a/drivers/iio/magnetometer/ak8975.c +++ b/drivers/iio/magnetometer/ak8975.c @@ -462,6 +462,8 @@ static int ak8975_setup_irq(struct ak8975_data *data) int rc; int irq; + init_waitqueue_head(&data->data_ready_queue); + clear_bit(0, &data->flags); if (client->irq) irq = client->irq; else @@ -477,8 +479,6 @@ static int ak8975_setup_irq(struct ak8975_data *data) return rc; } - init_waitqueue_head(&data->data_ready_queue); - clear_bit(0, &data->flags); data->eoc_irq = irq; return rc; @@ -732,7 +732,7 @@ static int ak8975_probe(struct i2c_client *client, int eoc_gpio; int err; const char *name = NULL; - enum asahi_compass_chipset chipset; + enum asahi_compass_chipset chipset = AK_MAX_TYPE; /* Grab and set up the supplied GPIO. */ if (client->dev.platform_data) diff --git a/drivers/infiniband/ulp/iser/iscsi_iser.c b/drivers/infiniband/ulp/iser/iscsi_iser.c index 80b6bedc172f..64b3d11dcf1e 100644 --- a/drivers/infiniband/ulp/iser/iscsi_iser.c +++ b/drivers/infiniband/ulp/iser/iscsi_iser.c @@ -612,6 +612,7 @@ iscsi_iser_session_create(struct iscsi_endpoint *ep, struct Scsi_Host *shost; struct iser_conn *iser_conn = NULL; struct ib_conn *ib_conn; + u32 max_fr_sectors; u16 max_cmds; shost = iscsi_host_alloc(&iscsi_iser_sht, 0, 0); @@ -632,7 +633,6 @@ iscsi_iser_session_create(struct iscsi_endpoint *ep, iser_conn = ep->dd_data; max_cmds = iser_conn->max_cmds; shost->sg_tablesize = iser_conn->scsi_sg_tablesize; - shost->max_sectors = iser_conn->scsi_max_sectors; mutex_lock(&iser_conn->state_mutex); if (iser_conn->state != ISER_CONN_UP) { @@ -657,8 +657,6 @@ iscsi_iser_session_create(struct iscsi_endpoint *ep, */ shost->sg_tablesize = min_t(unsigned short, shost->sg_tablesize, ib_conn->device->ib_device->attrs.max_fast_reg_page_list_len); - shost->max_sectors = min_t(unsigned int, - 1024, (shost->sg_tablesize * PAGE_SIZE) >> 9); if (iscsi_host_add(shost, ib_conn->device->ib_device->dma_device)) { @@ -672,6 +670,15 @@ iscsi_iser_session_create(struct iscsi_endpoint *ep, goto free_host; } + /* + * FRs or FMRs can only map up to a (device) page per entry, but if the + * first entry is misaligned we'll end up using using two entries + * (head and tail) for a single page worth data, so we have to drop + * one segment from the calculation. + */ + max_fr_sectors = ((shost->sg_tablesize - 1) * PAGE_SIZE) >> 9; + shost->max_sectors = min(iser_max_sectors, max_fr_sectors); + if (cmds_max > max_cmds) { iser_info("cmds_max changed from %u to %u\n", cmds_max, max_cmds); @@ -989,7 +996,6 @@ static struct scsi_host_template iscsi_iser_sht = { .queuecommand = iscsi_queuecommand, .change_queue_depth = scsi_change_queue_depth, .sg_tablesize = ISCSI_ISER_DEF_SG_TABLESIZE, - .max_sectors = ISER_DEF_MAX_SECTORS, .cmd_per_lun = ISER_DEF_CMD_PER_LUN, .eh_abort_handler = iscsi_eh_abort, .eh_device_reset_handler= iscsi_eh_device_reset, diff --git a/drivers/input/misc/twl6040-vibra.c b/drivers/input/misc/twl6040-vibra.c index 53e33fab3f7a..df3581f60628 100644 --- a/drivers/input/misc/twl6040-vibra.c +++ b/drivers/input/misc/twl6040-vibra.c @@ -181,6 +181,14 @@ static void vibra_play_work(struct work_struct *work) { struct vibra_info *info = container_of(work, struct vibra_info, play_work); + int ret; + + /* Do not allow effect, while the routing is set to use audio */ + ret = twl6040_get_vibralr_status(info->twl6040); + if (ret & TWL6040_VIBSEL) { + dev_info(info->dev, "Vibra is configured for audio\n"); + return; + } mutex_lock(&info->mutex); @@ -199,14 +207,6 @@ static int vibra_play(struct input_dev *input, void *data, struct ff_effect *effect) { struct vibra_info *info = input_get_drvdata(input); - int ret; - - /* Do not allow effect, while the routing is set to use audio */ - ret = twl6040_get_vibralr_status(info->twl6040); - if (ret & TWL6040_VIBSEL) { - dev_info(&input->dev, "Vibra is configured for audio\n"); - return -EBUSY; - } info->weak_speed = effect->u.rumble.weak_magnitude; info->strong_speed = effect->u.rumble.strong_magnitude; diff --git a/drivers/input/touchscreen/atmel_mxt_ts.c b/drivers/input/touchscreen/atmel_mxt_ts.c index 2160512e861a..5af7907d0af4 100644 --- a/drivers/input/touchscreen/atmel_mxt_ts.c +++ b/drivers/input/touchscreen/atmel_mxt_ts.c @@ -1093,6 +1093,19 @@ static int mxt_t6_command(struct mxt_data *data, u16 cmd_offset, return 0; } +static int mxt_acquire_irq(struct mxt_data *data) +{ + int error; + + enable_irq(data->irq); + + error = mxt_process_messages_until_invalid(data); + if (error) + return error; + + return 0; +} + static int mxt_soft_reset(struct mxt_data *data) { struct device *dev = &data->client->dev; @@ -1111,7 +1124,7 @@ static int mxt_soft_reset(struct mxt_data *data) /* Ignore CHG line for 100ms after reset */ msleep(100); - enable_irq(data->irq); + mxt_acquire_irq(data); ret = mxt_wait_for_completion(data, &data->reset_completion, MXT_RESET_TIMEOUT); @@ -1466,19 +1479,6 @@ release_mem: return ret; } -static int mxt_acquire_irq(struct mxt_data *data) -{ - int error; - - enable_irq(data->irq); - - error = mxt_process_messages_until_invalid(data); - if (error) - return error; - - return 0; -} - static int mxt_get_info(struct mxt_data *data) { struct i2c_client *client = data->client; diff --git a/drivers/input/touchscreen/zforce_ts.c b/drivers/input/touchscreen/zforce_ts.c index 9bbadaaf6bc3..7b3845aa5983 100644 --- a/drivers/input/touchscreen/zforce_ts.c +++ b/drivers/input/touchscreen/zforce_ts.c @@ -370,8 +370,8 @@ static int zforce_touch_event(struct zforce_ts *ts, u8 *payload) point.coord_x = point.coord_y = 0; } - point.state = payload[9 * i + 5] & 0x03; - point.id = (payload[9 * i + 5] & 0xfc) >> 2; + point.state = payload[9 * i + 5] & 0x0f; + point.id = (payload[9 * i + 5] & 0xf0) >> 4; /* determine touch major, minor and orientation */ point.area_major = max(payload[9 * i + 6], diff --git a/drivers/md/md.c b/drivers/md/md.c index 194580fba7fd..14d3b37944df 100644 --- a/drivers/md/md.c +++ b/drivers/md/md.c @@ -284,6 +284,8 @@ static blk_qc_t md_make_request(struct request_queue *q, struct bio *bio) * go away inside make_request */ sectors = bio_sectors(bio); + /* bio could be mergeable after passing to underlayer */ + bio->bi_rw &= ~REQ_NOMERGE; mddev->pers->make_request(mddev, bio); cpu = part_stat_lock(); diff --git a/drivers/md/raid0.c b/drivers/md/raid0.c index 2ea12c6bf659..34783a3c8b3c 100644 --- a/drivers/md/raid0.c +++ b/drivers/md/raid0.c @@ -70,7 +70,6 @@ static void dump_zones(struct mddev *mddev) (unsigned long long)zone_size>>1); zone_start = conf->strip_zone[j].zone_end; } - printk(KERN_INFO "\n"); } static int create_strip_zones(struct mddev *mddev, struct r0conf **private_conf) @@ -85,6 +84,7 @@ static int create_strip_zones(struct mddev *mddev, struct r0conf **private_conf) struct r0conf *conf = kzalloc(sizeof(*conf), GFP_KERNEL); unsigned short blksize = 512; + *private_conf = ERR_PTR(-ENOMEM); if (!conf) return -ENOMEM; rdev_for_each(rdev1, mddev) { diff --git a/drivers/md/raid5.c b/drivers/md/raid5.c index 8ab8b65e1741..e48c262ce032 100644 --- a/drivers/md/raid5.c +++ b/drivers/md/raid5.c @@ -3502,8 +3502,6 @@ returnbi: dev = &sh->dev[i]; } else if (test_bit(R5_Discard, &dev->flags)) discard_pending = 1; - WARN_ON(test_bit(R5_SkipCopy, &dev->flags)); - WARN_ON(dev->page != dev->orig_page); } r5l_stripe_write_finished(sh); diff --git a/drivers/media/media-device.c b/drivers/media/media-device.c index 6e43c95629ea..3cfd7af8c5ca 100644 --- a/drivers/media/media-device.c +++ b/drivers/media/media-device.c @@ -846,11 +846,11 @@ struct media_device *media_device_find_devres(struct device *dev) } EXPORT_SYMBOL_GPL(media_device_find_devres); +#if IS_ENABLED(CONFIG_PCI) void media_device_pci_init(struct media_device *mdev, struct pci_dev *pci_dev, const char *name) { -#ifdef CONFIG_PCI mdev->dev = &pci_dev->dev; if (name) @@ -866,16 +866,16 @@ void media_device_pci_init(struct media_device *mdev, mdev->driver_version = LINUX_VERSION_CODE; media_device_init(mdev); -#endif } EXPORT_SYMBOL_GPL(media_device_pci_init); +#endif +#if IS_ENABLED(CONFIG_USB) void __media_device_usb_init(struct media_device *mdev, struct usb_device *udev, const char *board_name, const char *driver_name) { -#ifdef CONFIG_USB mdev->dev = &udev->dev; if (driver_name) @@ -895,9 +895,9 @@ void __media_device_usb_init(struct media_device *mdev, mdev->driver_version = LINUX_VERSION_CODE; media_device_init(mdev); -#endif } EXPORT_SYMBOL_GPL(__media_device_usb_init); +#endif #endif /* CONFIG_MEDIA_CONTROLLER */ diff --git a/drivers/media/platform/exynos4-is/media-dev.c b/drivers/media/platform/exynos4-is/media-dev.c index feb521f28e14..4f494acd8150 100644 --- a/drivers/media/platform/exynos4-is/media-dev.c +++ b/drivers/media/platform/exynos4-is/media-dev.c @@ -1446,22 +1446,13 @@ static int fimc_md_probe(struct platform_device *pdev) platform_set_drvdata(pdev, fmd); - /* Protect the media graph while we're registering entities */ - mutex_lock(&fmd->media_dev.graph_mutex); - ret = fimc_md_register_platform_entities(fmd, dev->of_node); - if (ret) { - mutex_unlock(&fmd->media_dev.graph_mutex); + if (ret) goto err_clk; - } ret = fimc_md_register_sensor_entities(fmd); - if (ret) { - mutex_unlock(&fmd->media_dev.graph_mutex); + if (ret) goto err_m_ent; - } - - mutex_unlock(&fmd->media_dev.graph_mutex); ret = device_create_file(&pdev->dev, &dev_attr_subdev_conf_mode); if (ret) diff --git a/drivers/media/platform/s3c-camif/camif-core.c b/drivers/media/platform/s3c-camif/camif-core.c index 0b44b9accf50..af237af204e2 100644 --- a/drivers/media/platform/s3c-camif/camif-core.c +++ b/drivers/media/platform/s3c-camif/camif-core.c @@ -493,21 +493,17 @@ static int s3c_camif_probe(struct platform_device *pdev) if (ret < 0) goto err_sens; - mutex_lock(&camif->media_dev.graph_mutex); - ret = v4l2_device_register_subdev_nodes(&camif->v4l2_dev); if (ret < 0) - goto err_unlock; + goto err_sens; ret = camif_register_video_nodes(camif); if (ret < 0) - goto err_unlock; + goto err_sens; ret = camif_create_media_links(camif); if (ret < 0) - goto err_unlock; - - mutex_unlock(&camif->media_dev.graph_mutex); + goto err_sens; ret = media_device_register(&camif->media_dev); if (ret < 0) @@ -516,8 +512,6 @@ static int s3c_camif_probe(struct platform_device *pdev) pm_runtime_put(dev); return 0; -err_unlock: - mutex_unlock(&camif->media_dev.graph_mutex); err_sens: v4l2_device_unregister(&camif->v4l2_dev); media_device_unregister(&camif->media_dev); diff --git a/drivers/misc/mic/vop/vop_vringh.c b/drivers/misc/mic/vop/vop_vringh.c index e94c7fb6712a..88e45234d527 100644 --- a/drivers/misc/mic/vop/vop_vringh.c +++ b/drivers/misc/mic/vop/vop_vringh.c @@ -945,6 +945,11 @@ static long vop_ioctl(struct file *f, unsigned int cmd, unsigned long arg) ret = -EFAULT; goto free_ret; } + /* Ensure desc has not changed between the two reads */ + if (memcmp(&dd, dd_config, sizeof(dd))) { + ret = -EINVAL; + goto free_ret; + } mutex_lock(&vdev->vdev_mutex); mutex_lock(&vi->vop_mutex); ret = vop_virtio_add_device(vdev, dd_config); diff --git a/drivers/net/dsa/mv88e6xxx.c b/drivers/net/dsa/mv88e6xxx.c index a2904029cccc..5e572b3510b9 100644 --- a/drivers/net/dsa/mv88e6xxx.c +++ b/drivers/net/dsa/mv88e6xxx.c @@ -2181,7 +2181,7 @@ int mv88e6xxx_port_bridge_join(struct dsa_switch *ds, int port, struct net_device *bridge) { struct mv88e6xxx_priv_state *ps = ds_to_priv(ds); - int i, err; + int i, err = 0; mutex_lock(&ps->smi_mutex); diff --git a/drivers/net/ethernet/broadcom/bnxt/bnxt.c b/drivers/net/ethernet/broadcom/bnxt/bnxt.c index 12a009d720cd..72eb29ed0359 100644 --- a/drivers/net/ethernet/broadcom/bnxt/bnxt.c +++ b/drivers/net/ethernet/broadcom/bnxt/bnxt.c @@ -581,12 +581,30 @@ static inline int bnxt_alloc_rx_page(struct bnxt *bp, struct page *page; dma_addr_t mapping; u16 sw_prod = rxr->rx_sw_agg_prod; + unsigned int offset = 0; - page = alloc_page(gfp); - if (!page) - return -ENOMEM; + if (PAGE_SIZE > BNXT_RX_PAGE_SIZE) { + page = rxr->rx_page; + if (!page) { + page = alloc_page(gfp); + if (!page) + return -ENOMEM; + rxr->rx_page = page; + rxr->rx_page_offset = 0; + } + offset = rxr->rx_page_offset; + rxr->rx_page_offset += BNXT_RX_PAGE_SIZE; + if (rxr->rx_page_offset == PAGE_SIZE) + rxr->rx_page = NULL; + else + get_page(page); + } else { + page = alloc_page(gfp); + if (!page) + return -ENOMEM; + } - mapping = dma_map_page(&pdev->dev, page, 0, PAGE_SIZE, + mapping = dma_map_page(&pdev->dev, page, offset, BNXT_RX_PAGE_SIZE, PCI_DMA_FROMDEVICE); if (dma_mapping_error(&pdev->dev, mapping)) { __free_page(page); @@ -601,6 +619,7 @@ static inline int bnxt_alloc_rx_page(struct bnxt *bp, rxr->rx_sw_agg_prod = NEXT_RX_AGG(sw_prod); rx_agg_buf->page = page; + rx_agg_buf->offset = offset; rx_agg_buf->mapping = mapping; rxbd->rx_bd_haddr = cpu_to_le64(mapping); rxbd->rx_bd_opaque = sw_prod; @@ -642,6 +661,7 @@ static void bnxt_reuse_rx_agg_bufs(struct bnxt_napi *bnapi, u16 cp_cons, page = cons_rx_buf->page; cons_rx_buf->page = NULL; prod_rx_buf->page = page; + prod_rx_buf->offset = cons_rx_buf->offset; prod_rx_buf->mapping = cons_rx_buf->mapping; @@ -709,7 +729,8 @@ static struct sk_buff *bnxt_rx_pages(struct bnxt *bp, struct bnxt_napi *bnapi, RX_AGG_CMP_LEN) >> RX_AGG_CMP_LEN_SHIFT; cons_rx_buf = &rxr->rx_agg_ring[cons]; - skb_fill_page_desc(skb, i, cons_rx_buf->page, 0, frag_len); + skb_fill_page_desc(skb, i, cons_rx_buf->page, + cons_rx_buf->offset, frag_len); __clear_bit(cons, rxr->rx_agg_bmap); /* It is possible for bnxt_alloc_rx_page() to allocate @@ -740,7 +761,7 @@ static struct sk_buff *bnxt_rx_pages(struct bnxt *bp, struct bnxt_napi *bnapi, return NULL; } - dma_unmap_page(&pdev->dev, mapping, PAGE_SIZE, + dma_unmap_page(&pdev->dev, mapping, BNXT_RX_PAGE_SIZE, PCI_DMA_FROMDEVICE); skb->data_len += frag_len; @@ -1584,13 +1605,17 @@ static void bnxt_free_rx_skbs(struct bnxt *bp) dma_unmap_page(&pdev->dev, dma_unmap_addr(rx_agg_buf, mapping), - PAGE_SIZE, PCI_DMA_FROMDEVICE); + BNXT_RX_PAGE_SIZE, PCI_DMA_FROMDEVICE); rx_agg_buf->page = NULL; __clear_bit(j, rxr->rx_agg_bmap); __free_page(page); } + if (rxr->rx_page) { + __free_page(rxr->rx_page); + rxr->rx_page = NULL; + } } } @@ -1973,7 +1998,7 @@ static int bnxt_init_one_rx_ring(struct bnxt *bp, int ring_nr) if (!(bp->flags & BNXT_FLAG_AGG_RINGS)) return 0; - type = ((u32)PAGE_SIZE << RX_BD_LEN_SHIFT) | + type = ((u32)BNXT_RX_PAGE_SIZE << RX_BD_LEN_SHIFT) | RX_BD_TYPE_RX_AGG_BD | RX_BD_FLAGS_SOP; bnxt_init_rxbd_pages(ring, type); @@ -2164,7 +2189,7 @@ void bnxt_set_ring_params(struct bnxt *bp) bp->rx_agg_nr_pages = 0; if (bp->flags & BNXT_FLAG_TPA) - agg_factor = 4; + agg_factor = min_t(u32, 4, 65536 / BNXT_RX_PAGE_SIZE); bp->flags &= ~BNXT_FLAG_JUMBO; if (rx_space > PAGE_SIZE) { @@ -3020,12 +3045,12 @@ static int bnxt_hwrm_vnic_set_tpa(struct bnxt *bp, u16 vnic_id, u32 tpa_flags) /* Number of segs are log2 units, and first packet is not * included as part of this units. */ - if (mss <= PAGE_SIZE) { - n = PAGE_SIZE / mss; + if (mss <= BNXT_RX_PAGE_SIZE) { + n = BNXT_RX_PAGE_SIZE / mss; nsegs = (MAX_SKB_FRAGS - 1) * n; } else { - n = mss / PAGE_SIZE; - if (mss & (PAGE_SIZE - 1)) + n = mss / BNXT_RX_PAGE_SIZE; + if (mss & (BNXT_RX_PAGE_SIZE - 1)) n++; nsegs = (MAX_SKB_FRAGS - n) / n; } @@ -4309,7 +4334,7 @@ static int bnxt_setup_int_mode(struct bnxt *bp) if (bp->flags & BNXT_FLAG_MSIX_CAP) rc = bnxt_setup_msix(bp); - if (!(bp->flags & BNXT_FLAG_USING_MSIX)) { + if (!(bp->flags & BNXT_FLAG_USING_MSIX) && BNXT_PF(bp)) { /* fallback to INTA */ rc = bnxt_setup_inta(bp); } diff --git a/drivers/net/ethernet/broadcom/bnxt/bnxt.h b/drivers/net/ethernet/broadcom/bnxt/bnxt.h index 709b95b8fcba..8b823ff558ff 100644 --- a/drivers/net/ethernet/broadcom/bnxt/bnxt.h +++ b/drivers/net/ethernet/broadcom/bnxt/bnxt.h @@ -407,6 +407,15 @@ struct rx_tpa_end_cmp_ext { #define BNXT_PAGE_SIZE (1 << BNXT_PAGE_SHIFT) +/* The RXBD length is 16-bit so we can only support page sizes < 64K */ +#if (PAGE_SHIFT > 15) +#define BNXT_RX_PAGE_SHIFT 15 +#else +#define BNXT_RX_PAGE_SHIFT PAGE_SHIFT +#endif + +#define BNXT_RX_PAGE_SIZE (1 << BNXT_RX_PAGE_SHIFT) + #define BNXT_MIN_PKT_SIZE 45 #define BNXT_NUM_TESTS(bp) 0 @@ -506,6 +515,7 @@ struct bnxt_sw_rx_bd { struct bnxt_sw_rx_agg_bd { struct page *page; + unsigned int offset; dma_addr_t mapping; }; @@ -586,6 +596,9 @@ struct bnxt_rx_ring_info { unsigned long *rx_agg_bmap; u16 rx_agg_bmap_size; + struct page *rx_page; + unsigned int rx_page_offset; + dma_addr_t rx_desc_mapping[MAX_RX_PAGES]; dma_addr_t rx_agg_desc_mapping[MAX_RX_AGG_PAGES]; diff --git a/drivers/net/ethernet/cadence/macb.c b/drivers/net/ethernet/cadence/macb.c index 48a7d7dee846..a63551d0a18a 100644 --- a/drivers/net/ethernet/cadence/macb.c +++ b/drivers/net/ethernet/cadence/macb.c @@ -441,7 +441,7 @@ static int macb_mii_init(struct macb *bp) snprintf(bp->mii_bus->id, MII_BUS_ID_SIZE, "%s-%x", bp->pdev->name, bp->pdev->id); bp->mii_bus->priv = bp; - bp->mii_bus->parent = &bp->dev->dev; + bp->mii_bus->parent = &bp->pdev->dev; pdata = dev_get_platdata(&bp->pdev->dev); dev_set_drvdata(&bp->dev->dev, bp->mii_bus); @@ -458,7 +458,8 @@ static int macb_mii_init(struct macb *bp) struct phy_device *phydev; phydev = mdiobus_scan(bp->mii_bus, i); - if (IS_ERR(phydev)) { + if (IS_ERR(phydev) && + PTR_ERR(phydev) != -ENODEV) { err = PTR_ERR(phydev); break; } @@ -3019,29 +3020,36 @@ static int macb_probe(struct platform_device *pdev) if (err) goto err_out_free_netdev; + err = macb_mii_init(bp); + if (err) + goto err_out_free_netdev; + + phydev = bp->phy_dev; + + netif_carrier_off(dev); + err = register_netdev(dev); if (err) { dev_err(&pdev->dev, "Cannot register net device, aborting.\n"); - goto err_out_unregister_netdev; + goto err_out_unregister_mdio; } - err = macb_mii_init(bp); - if (err) - goto err_out_unregister_netdev; - - netif_carrier_off(dev); + phy_attached_info(phydev); netdev_info(dev, "Cadence %s rev 0x%08x at 0x%08lx irq %d (%pM)\n", macb_is_gem(bp) ? "GEM" : "MACB", macb_readl(bp, MID), dev->base_addr, dev->irq, dev->dev_addr); - phydev = bp->phy_dev; - phy_attached_info(phydev); - return 0; -err_out_unregister_netdev: - unregister_netdev(dev); +err_out_unregister_mdio: + phy_disconnect(bp->phy_dev); + mdiobus_unregister(bp->mii_bus); + mdiobus_free(bp->mii_bus); + + /* Shutdown the PHY if there is a GPIO reset */ + if (bp->reset_gpio) + gpiod_set_value(bp->reset_gpio, 0); err_out_free_netdev: free_netdev(dev); diff --git a/drivers/net/ethernet/chelsio/cxgb3/cxgb3_main.c b/drivers/net/ethernet/chelsio/cxgb3/cxgb3_main.c index 60908eab3b3a..43da891fab97 100644 --- a/drivers/net/ethernet/chelsio/cxgb3/cxgb3_main.c +++ b/drivers/net/ethernet/chelsio/cxgb3/cxgb3_main.c @@ -576,7 +576,7 @@ static void setup_rss(struct adapter *adap) unsigned int nq0 = adap2pinfo(adap, 0)->nqsets; unsigned int nq1 = adap->port[1] ? adap2pinfo(adap, 1)->nqsets : 1; u8 cpus[SGE_QSETS + 1]; - u16 rspq_map[RSS_TABLE_SIZE]; + u16 rspq_map[RSS_TABLE_SIZE + 1]; for (i = 0; i < SGE_QSETS; ++i) cpus[i] = i; @@ -586,6 +586,7 @@ static void setup_rss(struct adapter *adap) rspq_map[i] = i % nq0; rspq_map[i + RSS_TABLE_SIZE / 2] = (i % nq1) + nq0; } + rspq_map[RSS_TABLE_SIZE] = 0xffff; /* terminator */ t3_config_rss(adap, F_RQFEEDBACKENABLE | F_TNLLKPEN | F_TNLMAPEN | F_TNLPRTEN | F_TNL2TUPEN | F_TNL4TUPEN | diff --git a/drivers/net/ethernet/marvell/mvneta.c b/drivers/net/ethernet/marvell/mvneta.c index 7fc490225da5..a6d26d351dfc 100644 --- a/drivers/net/ethernet/marvell/mvneta.c +++ b/drivers/net/ethernet/marvell/mvneta.c @@ -3354,8 +3354,7 @@ static int mvneta_percpu_notifier(struct notifier_block *nfb, /* Enable per-CPU interrupts on the CPU that is * brought up. */ - smp_call_function_single(cpu, mvneta_percpu_enable, - pp, true); + mvneta_percpu_enable(pp); /* Enable per-CPU interrupt on the one CPU we care * about. @@ -3387,8 +3386,7 @@ static int mvneta_percpu_notifier(struct notifier_block *nfb, /* Disable per-CPU interrupts on the CPU that is * brought down. */ - smp_call_function_single(cpu, mvneta_percpu_disable, - pp, true); + mvneta_percpu_disable(pp); break; case CPU_DEAD: diff --git a/drivers/net/ethernet/marvell/pxa168_eth.c b/drivers/net/ethernet/marvell/pxa168_eth.c index 7ace07dad6a3..c442f6ad15ff 100644 --- a/drivers/net/ethernet/marvell/pxa168_eth.c +++ b/drivers/net/ethernet/marvell/pxa168_eth.c @@ -979,6 +979,8 @@ static int pxa168_init_phy(struct net_device *dev) return 0; pep->phy = mdiobus_scan(pep->smi_bus, pep->phy_addr); + if (IS_ERR(pep->phy)) + return PTR_ERR(pep->phy); if (!pep->phy) return -ENODEV; diff --git a/drivers/net/ethernet/mellanox/mlx5/core/Kconfig b/drivers/net/ethernet/mellanox/mlx5/core/Kconfig index 1cf722eba607..559d11a443bc 100644 --- a/drivers/net/ethernet/mellanox/mlx5/core/Kconfig +++ b/drivers/net/ethernet/mellanox/mlx5/core/Kconfig @@ -14,6 +14,7 @@ config MLX5_CORE_EN bool "Mellanox Technologies ConnectX-4 Ethernet support" depends on NETDEVICES && ETHERNET && PCI && MLX5_CORE select PTP_1588_CLOCK + select VXLAN if MLX5_CORE=y default n ---help--- Ethernet support in Mellanox Technologies ConnectX-4 NIC. diff --git a/drivers/net/ethernet/mellanox/mlx5/core/en.h b/drivers/net/ethernet/mellanox/mlx5/core/en.h index e80ce94b5dcf..3881dce0cc30 100644 --- a/drivers/net/ethernet/mellanox/mlx5/core/en.h +++ b/drivers/net/ethernet/mellanox/mlx5/core/en.h @@ -567,6 +567,7 @@ struct mlx5e_priv { struct mlx5e_vxlan_db vxlan; struct mlx5e_params params; + struct workqueue_struct *wq; struct work_struct update_carrier_work; struct work_struct set_rx_mode_work; struct delayed_work update_stats_work; diff --git a/drivers/net/ethernet/mellanox/mlx5/core/en_main.c b/drivers/net/ethernet/mellanox/mlx5/core/en_main.c index 67d548b70e14..d4dfc5ce516a 100644 --- a/drivers/net/ethernet/mellanox/mlx5/core/en_main.c +++ b/drivers/net/ethernet/mellanox/mlx5/core/en_main.c @@ -262,9 +262,8 @@ static void mlx5e_update_stats_work(struct work_struct *work) mutex_lock(&priv->state_lock); if (test_bit(MLX5E_STATE_OPENED, &priv->state)) { mlx5e_update_stats(priv); - schedule_delayed_work(dwork, - msecs_to_jiffies( - MLX5E_UPDATE_STATS_INTERVAL)); + queue_delayed_work(priv->wq, dwork, + msecs_to_jiffies(MLX5E_UPDATE_STATS_INTERVAL)); } mutex_unlock(&priv->state_lock); } @@ -280,7 +279,7 @@ static void mlx5e_async_event(struct mlx5_core_dev *mdev, void *vpriv, switch (event) { case MLX5_DEV_EVENT_PORT_UP: case MLX5_DEV_EVENT_PORT_DOWN: - schedule_work(&priv->update_carrier_work); + queue_work(priv->wq, &priv->update_carrier_work); break; default: @@ -1505,7 +1504,7 @@ int mlx5e_open_locked(struct net_device *netdev) mlx5e_update_carrier(priv); mlx5e_timestamp_init(priv); - schedule_delayed_work(&priv->update_stats_work, 0); + queue_delayed_work(priv->wq, &priv->update_stats_work, 0); return 0; @@ -1961,7 +1960,7 @@ static void mlx5e_set_rx_mode(struct net_device *dev) { struct mlx5e_priv *priv = netdev_priv(dev); - schedule_work(&priv->set_rx_mode_work); + queue_work(priv->wq, &priv->set_rx_mode_work); } static int mlx5e_set_mac(struct net_device *netdev, void *addr) @@ -1976,7 +1975,7 @@ static int mlx5e_set_mac(struct net_device *netdev, void *addr) ether_addr_copy(netdev->dev_addr, saddr->sa_data); netif_addr_unlock_bh(netdev); - schedule_work(&priv->set_rx_mode_work); + queue_work(priv->wq, &priv->set_rx_mode_work); return 0; } @@ -2158,7 +2157,7 @@ static void mlx5e_add_vxlan_port(struct net_device *netdev, if (!mlx5e_vxlan_allowed(priv->mdev)) return; - mlx5e_vxlan_add_port(priv, be16_to_cpu(port)); + mlx5e_vxlan_queue_work(priv, sa_family, be16_to_cpu(port), 1); } static void mlx5e_del_vxlan_port(struct net_device *netdev, @@ -2169,7 +2168,7 @@ static void mlx5e_del_vxlan_port(struct net_device *netdev, if (!mlx5e_vxlan_allowed(priv->mdev)) return; - mlx5e_vxlan_del_port(priv, be16_to_cpu(port)); + mlx5e_vxlan_queue_work(priv, sa_family, be16_to_cpu(port), 0); } static netdev_features_t mlx5e_vxlan_features_check(struct mlx5e_priv *priv, @@ -2498,10 +2497,14 @@ static void *mlx5e_create_netdev(struct mlx5_core_dev *mdev) priv = netdev_priv(netdev); + priv->wq = create_singlethread_workqueue("mlx5e"); + if (!priv->wq) + goto err_free_netdev; + err = mlx5_alloc_map_uar(mdev, &priv->cq_uar, false); if (err) { mlx5_core_err(mdev, "alloc_map uar failed, %d\n", err); - goto err_free_netdev; + goto err_destroy_wq; } err = mlx5_core_alloc_pd(mdev, &priv->pdn); @@ -2580,7 +2583,7 @@ static void *mlx5e_create_netdev(struct mlx5_core_dev *mdev) vxlan_get_rx_port(netdev); mlx5e_enable_async_events(priv); - schedule_work(&priv->set_rx_mode_work); + queue_work(priv->wq, &priv->set_rx_mode_work); return priv; @@ -2617,6 +2620,9 @@ err_dealloc_pd: err_unmap_free_uar: mlx5_unmap_free_uar(mdev, &priv->cq_uar); +err_destroy_wq: + destroy_workqueue(priv->wq); + err_free_netdev: free_netdev(netdev); @@ -2630,9 +2636,9 @@ static void mlx5e_destroy_netdev(struct mlx5_core_dev *mdev, void *vpriv) set_bit(MLX5E_STATE_DESTROYING, &priv->state); - schedule_work(&priv->set_rx_mode_work); + queue_work(priv->wq, &priv->set_rx_mode_work); mlx5e_disable_async_events(priv); - flush_scheduled_work(); + flush_workqueue(priv->wq); if (test_bit(MLX5_INTERFACE_STATE_SHUTDOWN, &mdev->intf_state)) { netif_device_detach(netdev); mutex_lock(&priv->state_lock); @@ -2655,6 +2661,8 @@ static void mlx5e_destroy_netdev(struct mlx5_core_dev *mdev, void *vpriv) mlx5_core_dealloc_transport_domain(priv->mdev, priv->tdn); mlx5_core_dealloc_pd(priv->mdev, priv->pdn); mlx5_unmap_free_uar(priv->mdev, &priv->cq_uar); + cancel_delayed_work_sync(&priv->update_stats_work); + destroy_workqueue(priv->wq); if (!test_bit(MLX5_INTERFACE_STATE_SHUTDOWN, &mdev->intf_state)) free_netdev(netdev); diff --git a/drivers/net/ethernet/mellanox/mlx5/core/uar.c b/drivers/net/ethernet/mellanox/mlx5/core/uar.c index 8ba080e441a1..5ff8af472bf5 100644 --- a/drivers/net/ethernet/mellanox/mlx5/core/uar.c +++ b/drivers/net/ethernet/mellanox/mlx5/core/uar.c @@ -269,8 +269,10 @@ EXPORT_SYMBOL(mlx5_alloc_map_uar); void mlx5_unmap_free_uar(struct mlx5_core_dev *mdev, struct mlx5_uar *uar) { - iounmap(uar->map); - iounmap(uar->bf_map); + if (uar->map) + iounmap(uar->map); + else + iounmap(uar->bf_map); mlx5_cmd_free_uar(mdev, uar->index); } EXPORT_SYMBOL(mlx5_unmap_free_uar); diff --git a/drivers/net/ethernet/mellanox/mlx5/core/vxlan.c b/drivers/net/ethernet/mellanox/mlx5/core/vxlan.c index 9f10df25f3cd..f2fd1ef16da7 100644 --- a/drivers/net/ethernet/mellanox/mlx5/core/vxlan.c +++ b/drivers/net/ethernet/mellanox/mlx5/core/vxlan.c @@ -95,21 +95,22 @@ struct mlx5e_vxlan *mlx5e_vxlan_lookup_port(struct mlx5e_priv *priv, u16 port) return vxlan; } -int mlx5e_vxlan_add_port(struct mlx5e_priv *priv, u16 port) +static void mlx5e_vxlan_add_port(struct work_struct *work) { + struct mlx5e_vxlan_work *vxlan_work = + container_of(work, struct mlx5e_vxlan_work, work); + struct mlx5e_priv *priv = vxlan_work->priv; struct mlx5e_vxlan_db *vxlan_db = &priv->vxlan; + u16 port = vxlan_work->port; struct mlx5e_vxlan *vxlan; int err; - err = mlx5e_vxlan_core_add_port_cmd(priv->mdev, port); - if (err) - return err; + if (mlx5e_vxlan_core_add_port_cmd(priv->mdev, port)) + goto free_work; vxlan = kzalloc(sizeof(*vxlan), GFP_KERNEL); - if (!vxlan) { - err = -ENOMEM; + if (!vxlan) goto err_delete_port; - } vxlan->udp_port = port; @@ -119,13 +120,14 @@ int mlx5e_vxlan_add_port(struct mlx5e_priv *priv, u16 port) if (err) goto err_free; - return 0; + goto free_work; err_free: kfree(vxlan); err_delete_port: mlx5e_vxlan_core_del_port_cmd(priv->mdev, port); - return err; +free_work: + kfree(vxlan_work); } static void __mlx5e_vxlan_core_del_port(struct mlx5e_priv *priv, u16 port) @@ -145,12 +147,36 @@ static void __mlx5e_vxlan_core_del_port(struct mlx5e_priv *priv, u16 port) kfree(vxlan); } -void mlx5e_vxlan_del_port(struct mlx5e_priv *priv, u16 port) +static void mlx5e_vxlan_del_port(struct work_struct *work) { - if (!mlx5e_vxlan_lookup_port(priv, port)) - return; + struct mlx5e_vxlan_work *vxlan_work = + container_of(work, struct mlx5e_vxlan_work, work); + struct mlx5e_priv *priv = vxlan_work->priv; + u16 port = vxlan_work->port; __mlx5e_vxlan_core_del_port(priv, port); + + kfree(vxlan_work); +} + +void mlx5e_vxlan_queue_work(struct mlx5e_priv *priv, sa_family_t sa_family, + u16 port, int add) +{ + struct mlx5e_vxlan_work *vxlan_work; + + vxlan_work = kmalloc(sizeof(*vxlan_work), GFP_ATOMIC); + if (!vxlan_work) + return; + + if (add) + INIT_WORK(&vxlan_work->work, mlx5e_vxlan_add_port); + else + INIT_WORK(&vxlan_work->work, mlx5e_vxlan_del_port); + + vxlan_work->priv = priv; + vxlan_work->port = port; + vxlan_work->sa_family = sa_family; + queue_work(priv->wq, &vxlan_work->work); } void mlx5e_vxlan_cleanup(struct mlx5e_priv *priv) diff --git a/drivers/net/ethernet/mellanox/mlx5/core/vxlan.h b/drivers/net/ethernet/mellanox/mlx5/core/vxlan.h index a01685056ab1..129f3527aa14 100644 --- a/drivers/net/ethernet/mellanox/mlx5/core/vxlan.h +++ b/drivers/net/ethernet/mellanox/mlx5/core/vxlan.h @@ -39,6 +39,13 @@ struct mlx5e_vxlan { u16 udp_port; }; +struct mlx5e_vxlan_work { + struct work_struct work; + struct mlx5e_priv *priv; + sa_family_t sa_family; + u16 port; +}; + static inline bool mlx5e_vxlan_allowed(struct mlx5_core_dev *mdev) { return (MLX5_CAP_ETH(mdev, tunnel_stateless_vxlan) && @@ -46,8 +53,8 @@ static inline bool mlx5e_vxlan_allowed(struct mlx5_core_dev *mdev) } void mlx5e_vxlan_init(struct mlx5e_priv *priv); -int mlx5e_vxlan_add_port(struct mlx5e_priv *priv, u16 port); -void mlx5e_vxlan_del_port(struct mlx5e_priv *priv, u16 port); +void mlx5e_vxlan_queue_work(struct mlx5e_priv *priv, sa_family_t sa_family, + u16 port, int add); struct mlx5e_vxlan *mlx5e_vxlan_lookup_port(struct mlx5e_priv *priv, u16 port); void mlx5e_vxlan_cleanup(struct mlx5e_priv *priv); diff --git a/drivers/net/ethernet/myricom/myri10ge/myri10ge.c b/drivers/net/ethernet/myricom/myri10ge/myri10ge.c index 270c9eeb7ab6..6d1a956e3f77 100644 --- a/drivers/net/ethernet/myricom/myri10ge/myri10ge.c +++ b/drivers/net/ethernet/myricom/myri10ge/myri10ge.c @@ -2668,9 +2668,9 @@ static int myri10ge_close(struct net_device *dev) del_timer_sync(&mgp->watchdog_timer); mgp->running = MYRI10GE_ETH_STOPPING; - local_bh_disable(); /* myri10ge_ss_lock_napi needs bh disabled */ for (i = 0; i < mgp->num_slices; i++) { napi_disable(&mgp->ss[i].napi); + local_bh_disable(); /* myri10ge_ss_lock_napi needs this */ /* Lock the slice to prevent the busy_poll handler from * accessing it. Later when we bring the NIC up, myri10ge_open * resets the slice including this lock. @@ -2679,8 +2679,8 @@ static int myri10ge_close(struct net_device *dev) pr_info("Slice %d locked\n", i); mdelay(1); } + local_bh_enable(); } - local_bh_enable(); netif_carrier_off(dev); netif_tx_stop_all_queues(dev); diff --git a/drivers/net/ethernet/sfc/ef10.c b/drivers/net/ethernet/sfc/ef10.c index 98d33d462c6c..1681084cc96f 100644 --- a/drivers/net/ethernet/sfc/ef10.c +++ b/drivers/net/ethernet/sfc/ef10.c @@ -1920,6 +1920,10 @@ static int efx_ef10_alloc_rss_context(struct efx_nic *efx, u32 *context, return 0; } + if (nic_data->datapath_caps & + 1 << MC_CMD_GET_CAPABILITIES_OUT_RX_RSS_LIMITED_LBN) + return -EOPNOTSUPP; + MCDI_SET_DWORD(inbuf, RSS_CONTEXT_ALLOC_IN_UPSTREAM_PORT_ID, nic_data->vport_id); MCDI_SET_DWORD(inbuf, RSS_CONTEXT_ALLOC_IN_TYPE, alloc_type); @@ -2923,9 +2927,16 @@ static void efx_ef10_filter_push_prep(struct efx_nic *efx, bool replacing) { struct efx_ef10_nic_data *nic_data = efx->nic_data; + u32 flags = spec->flags; memset(inbuf, 0, MC_CMD_FILTER_OP_IN_LEN); + /* Remove RSS flag if we don't have an RSS context. */ + if (flags & EFX_FILTER_FLAG_RX_RSS && + spec->rss_context == EFX_FILTER_RSS_CONTEXT_DEFAULT && + nic_data->rx_rss_context == EFX_EF10_RSS_CONTEXT_INVALID) + flags &= ~EFX_FILTER_FLAG_RX_RSS; + if (replacing) { MCDI_SET_DWORD(inbuf, FILTER_OP_IN_OP, MC_CMD_FILTER_OP_IN_OP_REPLACE); @@ -2985,10 +2996,10 @@ static void efx_ef10_filter_push_prep(struct efx_nic *efx, spec->dmaq_id == EFX_FILTER_RX_DMAQ_ID_DROP ? 0 : spec->dmaq_id); MCDI_SET_DWORD(inbuf, FILTER_OP_IN_RX_MODE, - (spec->flags & EFX_FILTER_FLAG_RX_RSS) ? + (flags & EFX_FILTER_FLAG_RX_RSS) ? MC_CMD_FILTER_OP_IN_RX_MODE_RSS : MC_CMD_FILTER_OP_IN_RX_MODE_SIMPLE); - if (spec->flags & EFX_FILTER_FLAG_RX_RSS) + if (flags & EFX_FILTER_FLAG_RX_RSS) MCDI_SET_DWORD(inbuf, FILTER_OP_IN_RX_CONTEXT, spec->rss_context != EFX_FILTER_RSS_CONTEXT_DEFAULT ? diff --git a/drivers/net/ethernet/ti/cpsw.c b/drivers/net/ethernet/ti/cpsw.c index bbb77cd8ad67..e2fcdf1eec44 100644 --- a/drivers/net/ethernet/ti/cpsw.c +++ b/drivers/net/ethernet/ti/cpsw.c @@ -367,7 +367,6 @@ struct cpsw_priv { spinlock_t lock; struct platform_device *pdev; struct net_device *ndev; - struct device_node *phy_node; struct napi_struct napi_rx; struct napi_struct napi_tx; struct device *dev; @@ -1148,25 +1147,34 @@ static void cpsw_slave_open(struct cpsw_slave *slave, struct cpsw_priv *priv) cpsw_ale_add_mcast(priv->ale, priv->ndev->broadcast, 1 << slave_port, 0, 0, ALE_MCAST_FWD_2); - if (priv->phy_node) - slave->phy = of_phy_connect(priv->ndev, priv->phy_node, + if (slave->data->phy_node) { + slave->phy = of_phy_connect(priv->ndev, slave->data->phy_node, &cpsw_adjust_link, 0, slave->data->phy_if); - else + if (!slave->phy) { + dev_err(priv->dev, "phy \"%s\" not found on slave %d\n", + slave->data->phy_node->full_name, + slave->slave_num); + return; + } + } else { slave->phy = phy_connect(priv->ndev, slave->data->phy_id, &cpsw_adjust_link, slave->data->phy_if); - if (IS_ERR(slave->phy)) { - dev_err(priv->dev, "phy %s not found on slave %d\n", - slave->data->phy_id, slave->slave_num); - slave->phy = NULL; - } else { - phy_attached_info(slave->phy); + if (IS_ERR(slave->phy)) { + dev_err(priv->dev, + "phy \"%s\" not found on slave %d, err %ld\n", + slave->data->phy_id, slave->slave_num, + PTR_ERR(slave->phy)); + slave->phy = NULL; + return; + } + } - phy_start(slave->phy); + phy_attached_info(slave->phy); - /* Configure GMII_SEL register */ - cpsw_phy_sel(&priv->pdev->dev, slave->phy->interface, - slave->slave_num); - } + phy_start(slave->phy); + + /* Configure GMII_SEL register */ + cpsw_phy_sel(&priv->pdev->dev, slave->phy->interface, slave->slave_num); } static inline void cpsw_add_default_vlan(struct cpsw_priv *priv) @@ -1940,12 +1948,11 @@ static void cpsw_slave_init(struct cpsw_slave *slave, struct cpsw_priv *priv, slave->port_vlan = data->dual_emac_res_vlan; } -static int cpsw_probe_dt(struct cpsw_priv *priv, +static int cpsw_probe_dt(struct cpsw_platform_data *data, struct platform_device *pdev) { struct device_node *node = pdev->dev.of_node; struct device_node *slave_node; - struct cpsw_platform_data *data = &priv->data; int i = 0, ret; u32 prop; @@ -2033,25 +2040,21 @@ static int cpsw_probe_dt(struct cpsw_priv *priv, if (strcmp(slave_node->name, "slave")) continue; - priv->phy_node = of_parse_phandle(slave_node, "phy-handle", 0); + slave_data->phy_node = of_parse_phandle(slave_node, + "phy-handle", 0); parp = of_get_property(slave_node, "phy_id", &lenp); - if (of_phy_is_fixed_link(slave_node)) { - struct device_node *phy_node; - struct phy_device *phy_dev; - + if (slave_data->phy_node) { + dev_dbg(&pdev->dev, + "slave[%d] using phy-handle=\"%s\"\n", + i, slave_data->phy_node->full_name); + } else if (of_phy_is_fixed_link(slave_node)) { /* In the case of a fixed PHY, the DT node associated * to the PHY is the Ethernet MAC DT node. */ ret = of_phy_register_fixed_link(slave_node); if (ret) return ret; - phy_node = of_node_get(slave_node); - phy_dev = of_phy_find_device(phy_node); - if (!phy_dev) - return -ENODEV; - snprintf(slave_data->phy_id, sizeof(slave_data->phy_id), - PHY_ID_FMT, phy_dev->mdio.bus->id, - phy_dev->mdio.addr); + slave_data->phy_node = of_node_get(slave_node); } else if (parp) { u32 phyid; struct device_node *mdio_node; @@ -2072,7 +2075,9 @@ static int cpsw_probe_dt(struct cpsw_priv *priv, snprintf(slave_data->phy_id, sizeof(slave_data->phy_id), PHY_ID_FMT, mdio->name, phyid); } else { - dev_err(&pdev->dev, "No slave[%d] phy_id or fixed-link property\n", i); + dev_err(&pdev->dev, + "No slave[%d] phy_id, phy-handle, or fixed-link property\n", + i); goto no_phy_slave; } slave_data->phy_if = of_get_phy_mode(slave_node); @@ -2275,7 +2280,7 @@ static int cpsw_probe(struct platform_device *pdev) /* Select default pin state */ pinctrl_pm_select_default_state(&pdev->dev); - if (cpsw_probe_dt(priv, pdev)) { + if (cpsw_probe_dt(&priv->data, pdev)) { dev_err(&pdev->dev, "cpsw: platform data missing\n"); ret = -ENODEV; goto clean_runtime_disable_ret; diff --git a/drivers/net/ethernet/ti/cpsw.h b/drivers/net/ethernet/ti/cpsw.h index 442a7038e660..e50afd1b2eda 100644 --- a/drivers/net/ethernet/ti/cpsw.h +++ b/drivers/net/ethernet/ti/cpsw.h @@ -18,6 +18,7 @@ #include <linux/phy.h> struct cpsw_slave_data { + struct device_node *phy_node; char phy_id[MII_BUS_ID_SIZE]; int phy_if; u8 mac_addr[ETH_ALEN]; diff --git a/drivers/net/ethernet/ti/davinci_emac.c b/drivers/net/ethernet/ti/davinci_emac.c index 58d58f002559..f56d66e6ec15 100644 --- a/drivers/net/ethernet/ti/davinci_emac.c +++ b/drivers/net/ethernet/ti/davinci_emac.c @@ -1512,7 +1512,10 @@ static int emac_devioctl(struct net_device *ndev, struct ifreq *ifrq, int cmd) /* TODO: Add phy read and write and private statistics get feature */ - return phy_mii_ioctl(priv->phydev, ifrq, cmd); + if (priv->phydev) + return phy_mii_ioctl(priv->phydev, ifrq, cmd); + else + return -EOPNOTSUPP; } static int match_first_device(struct device *dev, void *data) diff --git a/drivers/net/ethernet/toshiba/ps3_gelic_wireless.c b/drivers/net/ethernet/toshiba/ps3_gelic_wireless.c index 13214a6492ac..743b18266a7c 100644 --- a/drivers/net/ethernet/toshiba/ps3_gelic_wireless.c +++ b/drivers/net/ethernet/toshiba/ps3_gelic_wireless.c @@ -1622,7 +1622,7 @@ static void gelic_wl_scan_complete_event(struct gelic_wl_info *wl) continue; /* copy hw scan info */ - memcpy(target->hwinfo, scan_info, scan_info->size); + memcpy(target->hwinfo, scan_info, be16_to_cpu(scan_info->size)); target->essid_len = strnlen(scan_info->essid, sizeof(scan_info->essid)); target->rate_len = 0; diff --git a/drivers/net/phy/at803x.c b/drivers/net/phy/at803x.c index b3ffaee30858..f279a897a5c7 100644 --- a/drivers/net/phy/at803x.c +++ b/drivers/net/phy/at803x.c @@ -359,27 +359,25 @@ static void at803x_link_change_notify(struct phy_device *phydev) * in the FIFO. In such cases, the FIFO enters an error mode it * cannot recover from by software. */ - if (phydev->drv->phy_id == ATH8030_PHY_ID) { - if (phydev->state == PHY_NOLINK) { - if (priv->gpiod_reset && !priv->phy_reset) { - struct at803x_context context; - - at803x_context_save(phydev, &context); - - gpiod_set_value(priv->gpiod_reset, 1); - msleep(1); - gpiod_set_value(priv->gpiod_reset, 0); - msleep(1); - - at803x_context_restore(phydev, &context); - - phydev_dbg(phydev, "%s(): phy was reset\n", - __func__); - priv->phy_reset = true; - } - } else { - priv->phy_reset = false; + if (phydev->state == PHY_NOLINK) { + if (priv->gpiod_reset && !priv->phy_reset) { + struct at803x_context context; + + at803x_context_save(phydev, &context); + + gpiod_set_value(priv->gpiod_reset, 1); + msleep(1); + gpiod_set_value(priv->gpiod_reset, 0); + msleep(1); + + at803x_context_restore(phydev, &context); + + phydev_dbg(phydev, "%s(): phy was reset\n", + __func__); + priv->phy_reset = true; } + } else { + priv->phy_reset = false; } } @@ -391,7 +389,6 @@ static struct phy_driver at803x_driver[] = { .phy_id_mask = 0xffffffef, .probe = at803x_probe, .config_init = at803x_config_init, - .link_change_notify = at803x_link_change_notify, .set_wol = at803x_set_wol, .get_wol = at803x_get_wol, .suspend = at803x_suspend, @@ -427,7 +424,6 @@ static struct phy_driver at803x_driver[] = { .phy_id_mask = 0xffffffef, .probe = at803x_probe, .config_init = at803x_config_init, - .link_change_notify = at803x_link_change_notify, .set_wol = at803x_set_wol, .get_wol = at803x_get_wol, .suspend = at803x_suspend, diff --git a/drivers/net/usb/lan78xx.c b/drivers/net/usb/lan78xx.c index f20890ee03f3..f64778ad9753 100644 --- a/drivers/net/usb/lan78xx.c +++ b/drivers/net/usb/lan78xx.c @@ -269,6 +269,7 @@ struct skb_data { /* skb->cb is one of these */ struct lan78xx_net *dev; enum skb_state state; size_t length; + int num_of_packet; }; struct usb_context { @@ -1803,7 +1804,34 @@ static void lan78xx_remove_mdio(struct lan78xx_net *dev) static void lan78xx_link_status_change(struct net_device *net) { - /* nothing to do */ + struct phy_device *phydev = net->phydev; + int ret, temp; + + /* At forced 100 F/H mode, chip may fail to set mode correctly + * when cable is switched between long(~50+m) and short one. + * As workaround, set to 10 before setting to 100 + * at forced 100 F/H mode. + */ + if (!phydev->autoneg && (phydev->speed == 100)) { + /* disable phy interrupt */ + temp = phy_read(phydev, LAN88XX_INT_MASK); + temp &= ~LAN88XX_INT_MASK_MDINTPIN_EN_; + ret = phy_write(phydev, LAN88XX_INT_MASK, temp); + + temp = phy_read(phydev, MII_BMCR); + temp &= ~(BMCR_SPEED100 | BMCR_SPEED1000); + phy_write(phydev, MII_BMCR, temp); /* set to 10 first */ + temp |= BMCR_SPEED100; + phy_write(phydev, MII_BMCR, temp); /* set to 100 later */ + + /* clear pending interrupt generated while workaround */ + temp = phy_read(phydev, LAN88XX_INT_STS); + + /* enable phy interrupt back */ + temp = phy_read(phydev, LAN88XX_INT_MASK); + temp |= LAN88XX_INT_MASK_MDINTPIN_EN_; + ret = phy_write(phydev, LAN88XX_INT_MASK, temp); + } } static int lan78xx_phy_init(struct lan78xx_net *dev) @@ -2464,7 +2492,7 @@ static void tx_complete(struct urb *urb) struct lan78xx_net *dev = entry->dev; if (urb->status == 0) { - dev->net->stats.tx_packets++; + dev->net->stats.tx_packets += entry->num_of_packet; dev->net->stats.tx_bytes += entry->length; } else { dev->net->stats.tx_errors++; @@ -2681,10 +2709,11 @@ void lan78xx_skb_return(struct lan78xx_net *dev, struct sk_buff *skb) return; } - skb->protocol = eth_type_trans(skb, dev->net); dev->net->stats.rx_packets++; dev->net->stats.rx_bytes += skb->len; + skb->protocol = eth_type_trans(skb, dev->net); + netif_dbg(dev, rx_status, dev->net, "< rx, len %zu, type 0x%x\n", skb->len + sizeof(struct ethhdr), skb->protocol); memset(skb->cb, 0, sizeof(struct skb_data)); @@ -2934,13 +2963,16 @@ static void lan78xx_tx_bh(struct lan78xx_net *dev) skb_totallen = 0; pkt_cnt = 0; + count = 0; + length = 0; for (skb = tqp->next; pkt_cnt < tqp->qlen; skb = skb->next) { if (skb_is_gso(skb)) { if (pkt_cnt) { /* handle previous packets first */ break; } - length = skb->len; + count = 1; + length = skb->len - TX_OVERHEAD; skb2 = skb_dequeue(tqp); goto gso_skb; } @@ -2961,14 +2993,13 @@ static void lan78xx_tx_bh(struct lan78xx_net *dev) for (count = pos = 0; count < pkt_cnt; count++) { skb2 = skb_dequeue(tqp); if (skb2) { + length += (skb2->len - TX_OVERHEAD); memcpy(skb->data + pos, skb2->data, skb2->len); pos += roundup(skb2->len, sizeof(u32)); dev_kfree_skb(skb2); } } - length = skb_totallen; - gso_skb: urb = usb_alloc_urb(0, GFP_ATOMIC); if (!urb) { @@ -2980,6 +3011,7 @@ gso_skb: entry->urb = urb; entry->dev = dev; entry->length = length; + entry->num_of_packet = count; spin_lock_irqsave(&dev->txq.lock, flags); ret = usb_autopm_get_interface_async(dev->intf); diff --git a/drivers/net/usb/pegasus.c b/drivers/net/usb/pegasus.c index f84080215915..82129eef7774 100644 --- a/drivers/net/usb/pegasus.c +++ b/drivers/net/usb/pegasus.c @@ -411,7 +411,7 @@ static int enable_net_traffic(struct net_device *dev, struct usb_device *usb) int ret; read_mii_word(pegasus, pegasus->phy, MII_LPA, &linkpart); - data[0] = 0xc9; + data[0] = 0xc8; /* TX & RX enable, append status, no CRC */ data[1] = 0; if (linkpart & (ADVERTISE_100FULL | ADVERTISE_10FULL)) data[1] |= 0x20; /* set full duplex */ @@ -497,7 +497,7 @@ static void read_bulk_callback(struct urb *urb) pkt_len = buf[count - 3] << 8; pkt_len += buf[count - 4]; pkt_len &= 0xfff; - pkt_len -= 8; + pkt_len -= 4; } /* @@ -528,7 +528,7 @@ static void read_bulk_callback(struct urb *urb) goon: usb_fill_bulk_urb(pegasus->rx_urb, pegasus->usb, usb_rcvbulkpipe(pegasus->usb, 1), - pegasus->rx_skb->data, PEGASUS_MTU + 8, + pegasus->rx_skb->data, PEGASUS_MTU, read_bulk_callback, pegasus); rx_status = usb_submit_urb(pegasus->rx_urb, GFP_ATOMIC); if (rx_status == -ENODEV) @@ -569,7 +569,7 @@ static void rx_fixup(unsigned long data) } usb_fill_bulk_urb(pegasus->rx_urb, pegasus->usb, usb_rcvbulkpipe(pegasus->usb, 1), - pegasus->rx_skb->data, PEGASUS_MTU + 8, + pegasus->rx_skb->data, PEGASUS_MTU, read_bulk_callback, pegasus); try_again: status = usb_submit_urb(pegasus->rx_urb, GFP_ATOMIC); @@ -823,7 +823,7 @@ static int pegasus_open(struct net_device *net) usb_fill_bulk_urb(pegasus->rx_urb, pegasus->usb, usb_rcvbulkpipe(pegasus->usb, 1), - pegasus->rx_skb->data, PEGASUS_MTU + 8, + pegasus->rx_skb->data, PEGASUS_MTU, read_bulk_callback, pegasus); if ((res = usb_submit_urb(pegasus->rx_urb, GFP_KERNEL))) { if (res == -ENODEV) diff --git a/drivers/net/usb/smsc75xx.c b/drivers/net/usb/smsc75xx.c index 30033dbe6662..c369db99c005 100644 --- a/drivers/net/usb/smsc75xx.c +++ b/drivers/net/usb/smsc75xx.c @@ -29,6 +29,7 @@ #include <linux/crc32.h> #include <linux/usb/usbnet.h> #include <linux/slab.h> +#include <linux/of_net.h> #include "smsc75xx.h" #define SMSC_CHIPNAME "smsc75xx" @@ -761,6 +762,15 @@ static int smsc75xx_ioctl(struct net_device *netdev, struct ifreq *rq, int cmd) static void smsc75xx_init_mac_address(struct usbnet *dev) { + const u8 *mac_addr; + + /* maybe the boot loader passed the MAC address in devicetree */ + mac_addr = of_get_mac_address(dev->udev->dev.of_node); + if (mac_addr) { + memcpy(dev->net->dev_addr, mac_addr, ETH_ALEN); + return; + } + /* try reading mac address from EEPROM */ if (smsc75xx_read_eeprom(dev, EEPROM_MAC_OFFSET, ETH_ALEN, dev->net->dev_addr) == 0) { @@ -772,7 +782,7 @@ static void smsc75xx_init_mac_address(struct usbnet *dev) } } - /* no eeprom, or eeprom values are invalid. generate random MAC */ + /* no useful static MAC address found. generate a random one */ eth_hw_addr_random(dev->net); netif_dbg(dev, ifup, dev->net, "MAC address set to eth_random_addr\n"); } diff --git a/drivers/net/usb/smsc95xx.c b/drivers/net/usb/smsc95xx.c index 66b3ab9f614e..2edc2bc6d1b9 100644 --- a/drivers/net/usb/smsc95xx.c +++ b/drivers/net/usb/smsc95xx.c @@ -29,6 +29,7 @@ #include <linux/crc32.h> #include <linux/usb/usbnet.h> #include <linux/slab.h> +#include <linux/of_net.h> #include "smsc95xx.h" #define SMSC_CHIPNAME "smsc95xx" @@ -765,6 +766,15 @@ static int smsc95xx_ioctl(struct net_device *netdev, struct ifreq *rq, int cmd) static void smsc95xx_init_mac_address(struct usbnet *dev) { + const u8 *mac_addr; + + /* maybe the boot loader passed the MAC address in devicetree */ + mac_addr = of_get_mac_address(dev->udev->dev.of_node); + if (mac_addr) { + memcpy(dev->net->dev_addr, mac_addr, ETH_ALEN); + return; + } + /* try reading mac address from EEPROM */ if (smsc95xx_read_eeprom(dev, EEPROM_MAC_OFFSET, ETH_ALEN, dev->net->dev_addr) == 0) { @@ -775,7 +785,7 @@ static void smsc95xx_init_mac_address(struct usbnet *dev) } } - /* no eeprom, or eeprom values are invalid. generate random MAC */ + /* no useful static MAC address found. generate a random one */ eth_hw_addr_random(dev->net); netif_dbg(dev, ifup, dev->net, "MAC address set to eth_random_addr\n"); } diff --git a/drivers/net/wireless/ath/ath9k/ar5008_phy.c b/drivers/net/wireless/ath/ath9k/ar5008_phy.c index 8f8793004b9f..1b271b99c49e 100644 --- a/drivers/net/wireless/ath/ath9k/ar5008_phy.c +++ b/drivers/net/wireless/ath/ath9k/ar5008_phy.c @@ -274,6 +274,9 @@ void ar5008_hw_cmn_spur_mitigate(struct ath_hw *ah, }; static const int inc[4] = { 0, 100, 0, 0 }; + memset(&mask_m, 0, sizeof(int8_t) * 123); + memset(&mask_p, 0, sizeof(int8_t) * 123); + cur_bin = -6000; upper = bin + 100; lower = bin - 100; @@ -424,14 +427,9 @@ static void ar5008_hw_spur_mitigate(struct ath_hw *ah, int tmp, new; int i; - int8_t mask_m[123]; - int8_t mask_p[123]; int cur_bb_spur; bool is2GHz = IS_CHAN_2GHZ(chan); - memset(&mask_m, 0, sizeof(int8_t) * 123); - memset(&mask_p, 0, sizeof(int8_t) * 123); - for (i = 0; i < AR_EEPROM_MODAL_SPURS; i++) { cur_bb_spur = ah->eep_ops->get_spur_channel(ah, i, is2GHz); if (AR_NO_SPUR == cur_bb_spur) diff --git a/drivers/net/wireless/ath/ath9k/ar9002_phy.c b/drivers/net/wireless/ath/ath9k/ar9002_phy.c index db6624527d99..53d7445a5d12 100644 --- a/drivers/net/wireless/ath/ath9k/ar9002_phy.c +++ b/drivers/net/wireless/ath/ath9k/ar9002_phy.c @@ -178,14 +178,9 @@ static void ar9002_hw_spur_mitigate(struct ath_hw *ah, int i; struct chan_centers centers; - int8_t mask_m[123]; - int8_t mask_p[123]; int cur_bb_spur; bool is2GHz = IS_CHAN_2GHZ(chan); - memset(&mask_m, 0, sizeof(int8_t) * 123); - memset(&mask_p, 0, sizeof(int8_t) * 123); - ath9k_hw_get_channel_centers(ah, chan, ¢ers); freq = centers.synth_center; diff --git a/drivers/net/wireless/intel/iwlwifi/iwl-8000.c b/drivers/net/wireless/intel/iwlwifi/iwl-8000.c index 97be104d1203..b5c57eebf995 100644 --- a/drivers/net/wireless/intel/iwlwifi/iwl-8000.c +++ b/drivers/net/wireless/intel/iwlwifi/iwl-8000.c @@ -93,7 +93,7 @@ #define IWL8260_SMEM_OFFSET 0x400000 #define IWL8260_SMEM_LEN 0x68000 -#define IWL8000_FW_PRE "iwlwifi-8000" +#define IWL8000_FW_PRE "iwlwifi-8000C-" #define IWL8000_MODULE_FIRMWARE(api) \ IWL8000_FW_PRE "-" __stringify(api) ".ucode" diff --git a/drivers/net/wireless/intel/iwlwifi/iwl-drv.c b/drivers/net/wireless/intel/iwlwifi/iwl-drv.c index f899666acb41..9e45bf9c6071 100644 --- a/drivers/net/wireless/intel/iwlwifi/iwl-drv.c +++ b/drivers/net/wireless/intel/iwlwifi/iwl-drv.c @@ -238,19 +238,6 @@ static int iwl_request_firmware(struct iwl_drv *drv, bool first) snprintf(drv->firmware_name, sizeof(drv->firmware_name), "%s%s.ucode", name_pre, tag); - /* - * Starting 8000B - FW name format has changed. This overwrites the - * previous name and uses the new format. - */ - if (drv->trans->cfg->device_family == IWL_DEVICE_FAMILY_8000) { - char rev_step = 'A' + CSR_HW_REV_STEP(drv->trans->hw_rev); - - if (rev_step != 'A') - snprintf(drv->firmware_name, - sizeof(drv->firmware_name), "%s%c-%s.ucode", - name_pre, rev_step, tag); - } - IWL_DEBUG_INFO(drv, "attempting to load firmware %s'%s'\n", (drv->fw_index == UCODE_EXPERIMENTAL_INDEX) ? "EXPERIMENTAL " : "", @@ -1060,11 +1047,18 @@ static int iwl_parse_tlv_firmware(struct iwl_drv *drv, return -EINVAL; } - if (WARN(fw_has_capa(capa, IWL_UCODE_TLV_CAPA_GSCAN_SUPPORT) && - !gscan_capa, - "GSCAN is supported but capabilities TLV is unavailable\n")) + /* + * If ucode advertises that it supports GSCAN but GSCAN + * capabilities TLV is not present, or if it has an old format, + * warn and continue without GSCAN. + */ + if (fw_has_capa(capa, IWL_UCODE_TLV_CAPA_GSCAN_SUPPORT) && + !gscan_capa) { + IWL_DEBUG_INFO(drv, + "GSCAN is supported but capabilities TLV is unavailable\n"); __clear_bit((__force long)IWL_UCODE_TLV_CAPA_GSCAN_SUPPORT, capa->_capa); + } return 0; diff --git a/drivers/net/wireless/intel/iwlwifi/mvm/fw-dbg.c b/drivers/net/wireless/intel/iwlwifi/mvm/fw-dbg.c index 4856eac120f6..6938cd37be57 100644 --- a/drivers/net/wireless/intel/iwlwifi/mvm/fw-dbg.c +++ b/drivers/net/wireless/intel/iwlwifi/mvm/fw-dbg.c @@ -526,7 +526,8 @@ void iwl_mvm_fw_error_dump(struct iwl_mvm *mvm) file_len += sizeof(*dump_data) + sizeof(*dump_mem) + sram2_len; /* Make room for fw's virtual image pages, if it exists */ - if (mvm->fw->img[mvm->cur_ucode].paging_mem_size) + if (mvm->fw->img[mvm->cur_ucode].paging_mem_size && + mvm->fw_paging_db[0].fw_paging_block) file_len += mvm->num_of_paging_blk * (sizeof(*dump_data) + sizeof(struct iwl_fw_error_dump_paging) + @@ -643,7 +644,8 @@ void iwl_mvm_fw_error_dump(struct iwl_mvm *mvm) } /* Dump fw's virtual image */ - if (mvm->fw->img[mvm->cur_ucode].paging_mem_size) { + if (mvm->fw->img[mvm->cur_ucode].paging_mem_size && + mvm->fw_paging_db[0].fw_paging_block) { for (i = 1; i < mvm->num_of_paging_blk + 1; i++) { struct iwl_fw_error_dump_paging *paging; struct page *pages = diff --git a/drivers/net/wireless/intel/iwlwifi/mvm/fw.c b/drivers/net/wireless/intel/iwlwifi/mvm/fw.c index 594cd0dc7df9..09d895fafaf2 100644 --- a/drivers/net/wireless/intel/iwlwifi/mvm/fw.c +++ b/drivers/net/wireless/intel/iwlwifi/mvm/fw.c @@ -144,9 +144,11 @@ void iwl_free_fw_paging(struct iwl_mvm *mvm) __free_pages(mvm->fw_paging_db[i].fw_paging_block, get_order(mvm->fw_paging_db[i].fw_paging_size)); + mvm->fw_paging_db[i].fw_paging_block = NULL; } kfree(mvm->trans->paging_download_buf); mvm->trans->paging_download_buf = NULL; + mvm->trans->paging_db = NULL; memset(mvm->fw_paging_db, 0, sizeof(mvm->fw_paging_db)); } diff --git a/drivers/net/wireless/intel/iwlwifi/pcie/drv.c b/drivers/net/wireless/intel/iwlwifi/pcie/drv.c index 05b968506836..79d7cd7d461e 100644 --- a/drivers/net/wireless/intel/iwlwifi/pcie/drv.c +++ b/drivers/net/wireless/intel/iwlwifi/pcie/drv.c @@ -479,8 +479,18 @@ static const struct pci_device_id iwl_hw_card_ids[] = { {IWL_PCI_DEVICE(0x24F3, 0x0930, iwl8260_2ac_cfg)}, {IWL_PCI_DEVICE(0x24F3, 0x0000, iwl8265_2ac_cfg)}, {IWL_PCI_DEVICE(0x24FD, 0x0010, iwl8265_2ac_cfg)}, + {IWL_PCI_DEVICE(0x24FD, 0x0110, iwl8265_2ac_cfg)}, + {IWL_PCI_DEVICE(0x24FD, 0x1110, iwl8265_2ac_cfg)}, + {IWL_PCI_DEVICE(0x24FD, 0x1010, iwl8265_2ac_cfg)}, + {IWL_PCI_DEVICE(0x24FD, 0x0050, iwl8265_2ac_cfg)}, + {IWL_PCI_DEVICE(0x24FD, 0x0150, iwl8265_2ac_cfg)}, + {IWL_PCI_DEVICE(0x24FD, 0x9010, iwl8265_2ac_cfg)}, + {IWL_PCI_DEVICE(0x24FD, 0x8110, iwl8265_2ac_cfg)}, + {IWL_PCI_DEVICE(0x24FD, 0x8050, iwl8265_2ac_cfg)}, {IWL_PCI_DEVICE(0x24FD, 0x8010, iwl8265_2ac_cfg)}, {IWL_PCI_DEVICE(0x24FD, 0x0810, iwl8265_2ac_cfg)}, + {IWL_PCI_DEVICE(0x24FD, 0x9110, iwl8265_2ac_cfg)}, + {IWL_PCI_DEVICE(0x24FD, 0x8130, iwl8265_2ac_cfg)}, /* 9000 Series */ {IWL_PCI_DEVICE(0x9DF0, 0x2A10, iwl5165_2ac_cfg)}, diff --git a/drivers/nvdimm/pmem.c b/drivers/nvdimm/pmem.c index f798899338ed..5101f3ab4f29 100644 --- a/drivers/nvdimm/pmem.c +++ b/drivers/nvdimm/pmem.c @@ -397,10 +397,17 @@ static int nd_pfn_init(struct nd_pfn *nd_pfn) */ start += start_pad; npfns = (pmem->size - start_pad - end_trunc - SZ_8K) / SZ_4K; - if (nd_pfn->mode == PFN_MODE_PMEM) - offset = ALIGN(start + SZ_8K + 64 * npfns, nd_pfn->align) + if (nd_pfn->mode == PFN_MODE_PMEM) { + unsigned long memmap_size; + + /* + * vmemmap_populate_hugepages() allocates the memmap array in + * HPAGE_SIZE chunks. + */ + memmap_size = ALIGN(64 * npfns, HPAGE_SIZE); + offset = ALIGN(start + SZ_8K + memmap_size, nd_pfn->align) - start; - else if (nd_pfn->mode == PFN_MODE_RAM) + } else if (nd_pfn->mode == PFN_MODE_RAM) offset = ALIGN(start + SZ_8K, nd_pfn->align) - start; else goto err; diff --git a/drivers/nvmem/mxs-ocotp.c b/drivers/nvmem/mxs-ocotp.c index 8ba19bba3156..2bb3c5799ac4 100644 --- a/drivers/nvmem/mxs-ocotp.c +++ b/drivers/nvmem/mxs-ocotp.c @@ -94,7 +94,7 @@ static int mxs_ocotp_read(void *context, const void *reg, size_t reg_size, if (ret) goto close_banks; - while (val_size) { + while (val_size >= reg_size) { if ((offset < OCOTP_DATA_OFFSET) || (offset % 16)) { /* fill up non-data register */ *buf = 0; @@ -103,7 +103,7 @@ static int mxs_ocotp_read(void *context, const void *reg, size_t reg_size, } buf++; - val_size--; + val_size -= reg_size; offset += reg_size; } diff --git a/drivers/rapidio/devices/rio_mport_cdev.c b/drivers/rapidio/devices/rio_mport_cdev.c index 96168b819044..e165b7ce29d7 100644 --- a/drivers/rapidio/devices/rio_mport_cdev.c +++ b/drivers/rapidio/devices/rio_mport_cdev.c @@ -126,7 +126,7 @@ struct rio_mport_mapping { struct list_head node; struct mport_dev *md; enum rio_mport_map_dir dir; - u32 rioid; + u16 rioid; u64 rio_addr; dma_addr_t phys_addr; /* for mmap */ void *virt_addr; /* kernel address, for dma_free_coherent */ @@ -137,7 +137,7 @@ struct rio_mport_mapping { struct rio_mport_dma_map { int valid; - uint64_t length; + u64 length; void *vaddr; dma_addr_t paddr; }; @@ -208,7 +208,7 @@ struct mport_cdev_priv { struct kfifo event_fifo; wait_queue_head_t event_rx_wait; spinlock_t fifo_lock; - unsigned int event_mask; /* RIO_DOORBELL, RIO_PORTWRITE */ + u32 event_mask; /* RIO_DOORBELL, RIO_PORTWRITE */ #ifdef CONFIG_RAPIDIO_DMA_ENGINE struct dma_chan *dmach; struct list_head async_list; @@ -276,7 +276,8 @@ static int rio_mport_maint_rd(struct mport_cdev_priv *priv, void __user *arg, return -EFAULT; if ((maint_io.offset % 4) || - (maint_io.length == 0) || (maint_io.length % 4)) + (maint_io.length == 0) || (maint_io.length % 4) || + (maint_io.length + maint_io.offset) > RIO_MAINT_SPACE_SZ) return -EINVAL; buffer = vmalloc(maint_io.length); @@ -298,7 +299,8 @@ static int rio_mport_maint_rd(struct mport_cdev_priv *priv, void __user *arg, offset += 4; } - if (unlikely(copy_to_user(maint_io.buffer, buffer, maint_io.length))) + if (unlikely(copy_to_user((void __user *)(uintptr_t)maint_io.buffer, + buffer, maint_io.length))) ret = -EFAULT; out: vfree(buffer); @@ -319,7 +321,8 @@ static int rio_mport_maint_wr(struct mport_cdev_priv *priv, void __user *arg, return -EFAULT; if ((maint_io.offset % 4) || - (maint_io.length == 0) || (maint_io.length % 4)) + (maint_io.length == 0) || (maint_io.length % 4) || + (maint_io.length + maint_io.offset) > RIO_MAINT_SPACE_SZ) return -EINVAL; buffer = vmalloc(maint_io.length); @@ -327,7 +330,8 @@ static int rio_mport_maint_wr(struct mport_cdev_priv *priv, void __user *arg, return -ENOMEM; length = maint_io.length; - if (unlikely(copy_from_user(buffer, maint_io.buffer, length))) { + if (unlikely(copy_from_user(buffer, + (void __user *)(uintptr_t)maint_io.buffer, length))) { ret = -EFAULT; goto out; } @@ -360,7 +364,7 @@ out: */ static int rio_mport_create_outbound_mapping(struct mport_dev *md, struct file *filp, - u32 rioid, u64 raddr, u32 size, + u16 rioid, u64 raddr, u32 size, dma_addr_t *paddr) { struct rio_mport *mport = md->mport; @@ -369,7 +373,7 @@ rio_mport_create_outbound_mapping(struct mport_dev *md, struct file *filp, rmcd_debug(OBW, "did=%d ra=0x%llx sz=0x%x", rioid, raddr, size); - map = kzalloc(sizeof(struct rio_mport_mapping), GFP_KERNEL); + map = kzalloc(sizeof(*map), GFP_KERNEL); if (map == NULL) return -ENOMEM; @@ -394,7 +398,7 @@ err_map_outb: static int rio_mport_get_outbound_mapping(struct mport_dev *md, struct file *filp, - u32 rioid, u64 raddr, u32 size, + u16 rioid, u64 raddr, u32 size, dma_addr_t *paddr) { struct rio_mport_mapping *map; @@ -433,7 +437,7 @@ static int rio_mport_obw_map(struct file *filp, void __user *arg) dma_addr_t paddr; int ret; - if (unlikely(copy_from_user(&map, arg, sizeof(struct rio_mmap)))) + if (unlikely(copy_from_user(&map, arg, sizeof(map)))) return -EFAULT; rmcd_debug(OBW, "did=%d ra=0x%llx sz=0x%llx", @@ -448,7 +452,7 @@ static int rio_mport_obw_map(struct file *filp, void __user *arg) map.handle = paddr; - if (unlikely(copy_to_user(arg, &map, sizeof(struct rio_mmap)))) + if (unlikely(copy_to_user(arg, &map, sizeof(map)))) return -EFAULT; return 0; } @@ -469,7 +473,7 @@ static int rio_mport_obw_free(struct file *filp, void __user *arg) if (!md->mport->ops->unmap_outb) return -EPROTONOSUPPORT; - if (copy_from_user(&handle, arg, sizeof(u64))) + if (copy_from_user(&handle, arg, sizeof(handle))) return -EFAULT; rmcd_debug(OBW, "h=0x%llx", handle); @@ -498,9 +502,9 @@ static int rio_mport_obw_free(struct file *filp, void __user *arg) static int maint_hdid_set(struct mport_cdev_priv *priv, void __user *arg) { struct mport_dev *md = priv->md; - uint16_t hdid; + u16 hdid; - if (copy_from_user(&hdid, arg, sizeof(uint16_t))) + if (copy_from_user(&hdid, arg, sizeof(hdid))) return -EFAULT; md->mport->host_deviceid = hdid; @@ -520,9 +524,9 @@ static int maint_hdid_set(struct mport_cdev_priv *priv, void __user *arg) static int maint_comptag_set(struct mport_cdev_priv *priv, void __user *arg) { struct mport_dev *md = priv->md; - uint32_t comptag; + u32 comptag; - if (copy_from_user(&comptag, arg, sizeof(uint32_t))) + if (copy_from_user(&comptag, arg, sizeof(comptag))) return -EFAULT; rio_local_write_config_32(md->mport, RIO_COMPONENT_TAG_CSR, comptag); @@ -837,7 +841,7 @@ err_out: * @xfer: data transfer descriptor structure */ static int -rio_dma_transfer(struct file *filp, uint32_t transfer_mode, +rio_dma_transfer(struct file *filp, u32 transfer_mode, enum rio_transfer_sync sync, enum dma_data_direction dir, struct rio_transfer_io *xfer) { @@ -875,7 +879,7 @@ rio_dma_transfer(struct file *filp, uint32_t transfer_mode, unsigned long offset; long pinned; - offset = (unsigned long)xfer->loc_addr & ~PAGE_MASK; + offset = (unsigned long)(uintptr_t)xfer->loc_addr & ~PAGE_MASK; nr_pages = PAGE_ALIGN(xfer->length + offset) >> PAGE_SHIFT; page_list = kmalloc_array(nr_pages, @@ -1015,19 +1019,20 @@ static int rio_mport_transfer_ioctl(struct file *filp, void __user *arg) if (unlikely(copy_from_user(&transaction, arg, sizeof(transaction)))) return -EFAULT; - if (transaction.count != 1) + if (transaction.count != 1) /* only single transfer for now */ return -EINVAL; if ((transaction.transfer_mode & priv->md->properties.transfer_mode) == 0) return -ENODEV; - transfer = vmalloc(transaction.count * sizeof(struct rio_transfer_io)); + transfer = vmalloc(transaction.count * sizeof(*transfer)); if (!transfer) return -ENOMEM; - if (unlikely(copy_from_user(transfer, transaction.block, - transaction.count * sizeof(struct rio_transfer_io)))) { + if (unlikely(copy_from_user(transfer, + (void __user *)(uintptr_t)transaction.block, + transaction.count * sizeof(*transfer)))) { ret = -EFAULT; goto out_free; } @@ -1038,8 +1043,9 @@ static int rio_mport_transfer_ioctl(struct file *filp, void __user *arg) ret = rio_dma_transfer(filp, transaction.transfer_mode, transaction.sync, dir, &transfer[i]); - if (unlikely(copy_to_user(transaction.block, transfer, - transaction.count * sizeof(struct rio_transfer_io)))) + if (unlikely(copy_to_user((void __user *)(uintptr_t)transaction.block, + transfer, + transaction.count * sizeof(*transfer)))) ret = -EFAULT; out_free: @@ -1129,11 +1135,11 @@ err_tmo: } static int rio_mport_create_dma_mapping(struct mport_dev *md, struct file *filp, - uint64_t size, struct rio_mport_mapping **mapping) + u64 size, struct rio_mport_mapping **mapping) { struct rio_mport_mapping *map; - map = kzalloc(sizeof(struct rio_mport_mapping), GFP_KERNEL); + map = kzalloc(sizeof(*map), GFP_KERNEL); if (map == NULL) return -ENOMEM; @@ -1165,7 +1171,7 @@ static int rio_mport_alloc_dma(struct file *filp, void __user *arg) struct rio_mport_mapping *mapping = NULL; int ret; - if (unlikely(copy_from_user(&map, arg, sizeof(struct rio_dma_mem)))) + if (unlikely(copy_from_user(&map, arg, sizeof(map)))) return -EFAULT; ret = rio_mport_create_dma_mapping(md, filp, map.length, &mapping); @@ -1174,7 +1180,7 @@ static int rio_mport_alloc_dma(struct file *filp, void __user *arg) map.dma_handle = mapping->phys_addr; - if (unlikely(copy_to_user(arg, &map, sizeof(struct rio_dma_mem)))) { + if (unlikely(copy_to_user(arg, &map, sizeof(map)))) { mutex_lock(&md->buf_mutex); kref_put(&mapping->ref, mport_release_mapping); mutex_unlock(&md->buf_mutex); @@ -1192,7 +1198,7 @@ static int rio_mport_free_dma(struct file *filp, void __user *arg) int ret = -EFAULT; struct rio_mport_mapping *map, *_map; - if (copy_from_user(&handle, arg, sizeof(u64))) + if (copy_from_user(&handle, arg, sizeof(handle))) return -EFAULT; rmcd_debug(EXIT, "filp=%p", filp); @@ -1242,14 +1248,18 @@ static int rio_mport_free_dma(struct file *filp, void __user *arg) static int rio_mport_create_inbound_mapping(struct mport_dev *md, struct file *filp, - u64 raddr, u32 size, + u64 raddr, u64 size, struct rio_mport_mapping **mapping) { struct rio_mport *mport = md->mport; struct rio_mport_mapping *map; int ret; - map = kzalloc(sizeof(struct rio_mport_mapping), GFP_KERNEL); + /* rio_map_inb_region() accepts u32 size */ + if (size > 0xffffffff) + return -EINVAL; + + map = kzalloc(sizeof(*map), GFP_KERNEL); if (map == NULL) return -ENOMEM; @@ -1262,7 +1272,7 @@ rio_mport_create_inbound_mapping(struct mport_dev *md, struct file *filp, if (raddr == RIO_MAP_ANY_ADDR) raddr = map->phys_addr; - ret = rio_map_inb_region(mport, map->phys_addr, raddr, size, 0); + ret = rio_map_inb_region(mport, map->phys_addr, raddr, (u32)size, 0); if (ret < 0) goto err_map_inb; @@ -1288,7 +1298,7 @@ err_dma_alloc: static int rio_mport_get_inbound_mapping(struct mport_dev *md, struct file *filp, - u64 raddr, u32 size, + u64 raddr, u64 size, struct rio_mport_mapping **mapping) { struct rio_mport_mapping *map; @@ -1331,7 +1341,7 @@ static int rio_mport_map_inbound(struct file *filp, void __user *arg) if (!md->mport->ops->map_inb) return -EPROTONOSUPPORT; - if (unlikely(copy_from_user(&map, arg, sizeof(struct rio_mmap)))) + if (unlikely(copy_from_user(&map, arg, sizeof(map)))) return -EFAULT; rmcd_debug(IBW, "%s filp=%p", dev_name(&priv->md->dev), filp); @@ -1344,7 +1354,7 @@ static int rio_mport_map_inbound(struct file *filp, void __user *arg) map.handle = mapping->phys_addr; map.rio_addr = mapping->rio_addr; - if (unlikely(copy_to_user(arg, &map, sizeof(struct rio_mmap)))) { + if (unlikely(copy_to_user(arg, &map, sizeof(map)))) { /* Delete mapping if it was created by this request */ if (ret == 0 && mapping->filp == filp) { mutex_lock(&md->buf_mutex); @@ -1375,7 +1385,7 @@ static int rio_mport_inbound_free(struct file *filp, void __user *arg) if (!md->mport->ops->unmap_inb) return -EPROTONOSUPPORT; - if (copy_from_user(&handle, arg, sizeof(u64))) + if (copy_from_user(&handle, arg, sizeof(handle))) return -EFAULT; mutex_lock(&md->buf_mutex); @@ -1401,7 +1411,7 @@ static int rio_mport_inbound_free(struct file *filp, void __user *arg) static int maint_port_idx_get(struct mport_cdev_priv *priv, void __user *arg) { struct mport_dev *md = priv->md; - uint32_t port_idx = md->mport->index; + u32 port_idx = md->mport->index; rmcd_debug(MPORT, "port_index=%d", port_idx); @@ -1451,7 +1461,7 @@ static void rio_mport_doorbell_handler(struct rio_mport *mport, void *dev_id, handled = 0; spin_lock(&data->db_lock); list_for_each_entry(db_filter, &data->doorbells, data_node) { - if (((db_filter->filter.rioid == 0xffffffff || + if (((db_filter->filter.rioid == RIO_INVALID_DESTID || db_filter->filter.rioid == src)) && info >= db_filter->filter.low && info <= db_filter->filter.high) { @@ -1525,6 +1535,9 @@ static int rio_mport_remove_db_filter(struct mport_cdev_priv *priv, if (copy_from_user(&filter, arg, sizeof(filter))) return -EFAULT; + if (filter.low > filter.high) + return -EINVAL; + spin_lock_irqsave(&priv->md->db_lock, flags); list_for_each_entry(db_filter, &priv->db_filters, priv_node) { if (db_filter->filter.rioid == filter.rioid && @@ -1737,10 +1750,10 @@ static int rio_mport_add_riodev(struct mport_cdev_priv *priv, return -EEXIST; } - size = sizeof(struct rio_dev); + size = sizeof(*rdev); mport = md->mport; - destid = (u16)dev_info.destid; - hopcount = (u8)dev_info.hopcount; + destid = dev_info.destid; + hopcount = dev_info.hopcount; if (rio_mport_read_config_32(mport, destid, hopcount, RIO_PEF_CAR, &rval)) @@ -1872,8 +1885,8 @@ static int rio_mport_del_riodev(struct mport_cdev_priv *priv, void __user *arg) do { rdev = rio_get_comptag(dev_info.comptag, rdev); if (rdev && rdev->dev.parent == &mport->net->dev && - rdev->destid == (u16)dev_info.destid && - rdev->hopcount == (u8)dev_info.hopcount) + rdev->destid == dev_info.destid && + rdev->hopcount == dev_info.hopcount) break; } while (rdev); } @@ -2146,8 +2159,8 @@ static long mport_cdev_ioctl(struct file *filp, return maint_port_idx_get(data, (void __user *)arg); case RIO_MPORT_GET_PROPERTIES: md->properties.hdid = md->mport->host_deviceid; - if (copy_to_user((void __user *)arg, &(data->md->properties), - sizeof(data->md->properties))) + if (copy_to_user((void __user *)arg, &(md->properties), + sizeof(md->properties))) return -EFAULT; return 0; case RIO_ENABLE_DOORBELL_RANGE: @@ -2159,11 +2172,11 @@ static long mport_cdev_ioctl(struct file *filp, case RIO_DISABLE_PORTWRITE_RANGE: return rio_mport_remove_pw_filter(data, (void __user *)arg); case RIO_SET_EVENT_MASK: - data->event_mask = arg; + data->event_mask = (u32)arg; return 0; case RIO_GET_EVENT_MASK: if (copy_to_user((void __user *)arg, &data->event_mask, - sizeof(data->event_mask))) + sizeof(u32))) return -EFAULT; return 0; case RIO_MAP_OUTBOUND: @@ -2374,7 +2387,7 @@ static ssize_t mport_write(struct file *filp, const char __user *buf, return -EINVAL; ret = rio_mport_send_doorbell(mport, - (u16)event.u.doorbell.rioid, + event.u.doorbell.rioid, event.u.doorbell.payload); if (ret < 0) return ret; @@ -2421,7 +2434,7 @@ static struct mport_dev *mport_cdev_add(struct rio_mport *mport) struct mport_dev *md; struct rio_mport_attr attr; - md = kzalloc(sizeof(struct mport_dev), GFP_KERNEL); + md = kzalloc(sizeof(*md), GFP_KERNEL); if (!md) { rmcd_error("Unable allocate a device object"); return NULL; @@ -2470,7 +2483,7 @@ static struct mport_dev *mport_cdev_add(struct rio_mport *mport) /* The transfer_mode property will be returned through mport query * interface */ -#ifdef CONFIG_PPC /* for now: only on Freescale's SoCs */ +#ifdef CONFIG_FSL_RIO /* for now: only on Freescale's SoCs */ md->properties.transfer_mode |= RIO_TRANSFER_MODE_MAPPED; #else md->properties.transfer_mode |= RIO_TRANSFER_MODE_TRANSFER; diff --git a/drivers/thermal/Kconfig b/drivers/thermal/Kconfig index 3c3dc4a3d52c..d89d60c8b6cf 100644 --- a/drivers/thermal/Kconfig +++ b/drivers/thermal/Kconfig @@ -338,31 +338,9 @@ config INTEL_QUARK_DTS_THERMAL hot & critical. The critical trip point default value is set by underlying BIOS/Firmware. -config INT340X_THERMAL - tristate "ACPI INT340X thermal drivers" - depends on X86 && ACPI - select THERMAL_GOV_USER_SPACE - select ACPI_THERMAL_REL - select ACPI_FAN - select INTEL_SOC_DTS_IOSF_CORE - select THERMAL_WRITABLE_TRIPS - help - Newer laptops and tablets that use ACPI may have thermal sensors and - other devices with thermal control capabilities outside the core - CPU/SOC, for thermal safety reasons. - They are exposed for the OS to use via the INT3400 ACPI device object - as the master, and INT3401~INT340B ACPI device objects as the slaves. - Enable this to expose the temperature information and cooling ability - from these objects to userspace via the normal thermal framework. - This means that a wide range of applications and GUI widgets can show - the information to the user or use this information for making - decisions. For example, the Intel Thermal Daemon can use this - information to allow the user to select his laptop to run without - turning on the fans. - -config ACPI_THERMAL_REL - tristate - depends on ACPI +menu "ACPI INT340X thermal drivers" +source drivers/thermal/int340x_thermal/Kconfig +endmenu config INTEL_PCH_THERMAL tristate "Intel PCH Thermal Reporting Driver" diff --git a/drivers/thermal/int340x_thermal/Kconfig b/drivers/thermal/int340x_thermal/Kconfig new file mode 100644 index 000000000000..0582bd12a239 --- /dev/null +++ b/drivers/thermal/int340x_thermal/Kconfig @@ -0,0 +1,42 @@ +# +# ACPI INT340x thermal drivers configuration +# + +config INT340X_THERMAL + tristate "ACPI INT340X thermal drivers" + depends on X86 && ACPI + select THERMAL_GOV_USER_SPACE + select ACPI_THERMAL_REL + select ACPI_FAN + select INTEL_SOC_DTS_IOSF_CORE + help + Newer laptops and tablets that use ACPI may have thermal sensors and + other devices with thermal control capabilities outside the core + CPU/SOC, for thermal safety reasons. + They are exposed for the OS to use via the INT3400 ACPI device object + as the master, and INT3401~INT340B ACPI device objects as the slaves. + Enable this to expose the temperature information and cooling ability + from these objects to userspace via the normal thermal framework. + This means that a wide range of applications and GUI widgets can show + the information to the user or use this information for making + decisions. For example, the Intel Thermal Daemon can use this + information to allow the user to select his laptop to run without + turning on the fans. + +config ACPI_THERMAL_REL + tristate + depends on ACPI + +if INT340X_THERMAL + +config INT3406_THERMAL + tristate "ACPI INT3406 display thermal driver" + depends on ACPI_VIDEO + help + The display thermal device represents the LED/LCD display panel + that may or may not include touch support. The main function of + the display thermal device is to allow control of the display + brightness in order to address a thermal condition or to reduce + power consumed by display device. + +endif diff --git a/drivers/thermal/int340x_thermal/Makefile b/drivers/thermal/int340x_thermal/Makefile index ba77a34f659f..df0df055e7ff 100644 --- a/drivers/thermal/int340x_thermal/Makefile +++ b/drivers/thermal/int340x_thermal/Makefile @@ -3,4 +3,5 @@ obj-$(CONFIG_INT340X_THERMAL) += int340x_thermal_zone.o obj-$(CONFIG_INT340X_THERMAL) += int3402_thermal.o obj-$(CONFIG_INT340X_THERMAL) += int3403_thermal.o obj-$(CONFIG_INT340X_THERMAL) += processor_thermal_device.o +obj-$(CONFIG_INT3406_THERMAL) += int3406_thermal.o obj-$(CONFIG_ACPI_THERMAL_REL) += acpi_thermal_rel.o diff --git a/drivers/thermal/int340x_thermal/int3406_thermal.c b/drivers/thermal/int340x_thermal/int3406_thermal.c new file mode 100644 index 000000000000..13d431cbd29e --- /dev/null +++ b/drivers/thermal/int340x_thermal/int3406_thermal.c @@ -0,0 +1,236 @@ +/* + * INT3406 thermal driver for display participant device + * + * Copyright (C) 2016, Intel Corporation + * Authors: Aaron Lu <aaron.lu@intel.com> + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 as + * published by the Free Software Foundation. + * + */ + +#include <linux/module.h> +#include <linux/platform_device.h> +#include <linux/acpi.h> +#include <linux/backlight.h> +#include <linux/thermal.h> +#include <acpi/video.h> + +#define INT3406_BRIGHTNESS_LIMITS_CHANGED 0x80 + +struct int3406_thermal_data { + int upper_limit; + int upper_limit_index; + int lower_limit; + int lower_limit_index; + acpi_handle handle; + struct acpi_video_device_brightness *br; + struct backlight_device *raw_bd; + struct thermal_cooling_device *cooling_dev; +}; + +static int int3406_thermal_to_raw(int level, struct int3406_thermal_data *d) +{ + int max_level = d->br->levels[d->br->count - 1]; + int raw_max = d->raw_bd->props.max_brightness; + + return level * raw_max / max_level; +} + +static int int3406_thermal_to_acpi(int level, struct int3406_thermal_data *d) +{ + int raw_max = d->raw_bd->props.max_brightness; + int max_level = d->br->levels[d->br->count - 1]; + + return level * max_level / raw_max; +} + +static int +int3406_thermal_get_max_state(struct thermal_cooling_device *cooling_dev, + unsigned long *state) +{ + struct int3406_thermal_data *d = cooling_dev->devdata; + int index = d->lower_limit_index ? d->lower_limit_index : 2; + + *state = d->br->count - 1 - index; + return 0; +} + +static int +int3406_thermal_set_cur_state(struct thermal_cooling_device *cooling_dev, + unsigned long state) +{ + struct int3406_thermal_data *d = cooling_dev->devdata; + int level, raw_level; + + if (state > d->br->count - 3) + return -EINVAL; + + state = d->br->count - 1 - state; + level = d->br->levels[state]; + + if ((d->upper_limit && level > d->upper_limit) || + (d->lower_limit && level < d->lower_limit)) + return -EINVAL; + + raw_level = int3406_thermal_to_raw(level, d); + return backlight_device_set_brightness(d->raw_bd, raw_level); +} + +static int +int3406_thermal_get_cur_state(struct thermal_cooling_device *cooling_dev, + unsigned long *state) +{ + struct int3406_thermal_data *d = cooling_dev->devdata; + int raw_level, level, i; + int *levels = d->br->levels; + + raw_level = d->raw_bd->props.brightness; + level = int3406_thermal_to_acpi(raw_level, d); + + /* + * There is no 1:1 mapping between the firmware interface level with the + * raw interface level, we will have to find one that is close enough. + */ + for (i = 2; i < d->br->count; i++) { + if (level < levels[i]) { + if (i == 2) + break; + if ((level - levels[i - 1]) < (levels[i] - level)) + i--; + break; + } + } + + *state = d->br->count - 1 - i; + return 0; +} + +static const struct thermal_cooling_device_ops video_cooling_ops = { + .get_max_state = int3406_thermal_get_max_state, + .get_cur_state = int3406_thermal_get_cur_state, + .set_cur_state = int3406_thermal_set_cur_state, +}; + +static int int3406_thermal_get_index(int *array, int nr, int value) +{ + int i; + + for (i = 0; i < nr; i++) { + if (array[i] == value) + break; + } + return i == nr ? -ENOENT : i; +} + +static void int3406_thermal_get_limit(struct int3406_thermal_data *d) +{ + acpi_status status; + unsigned long long lower_limit, upper_limit; + int index; + + status = acpi_evaluate_integer(d->handle, "DDDL", NULL, &lower_limit); + if (ACPI_SUCCESS(status)) { + index = int3406_thermal_get_index(d->br->levels, d->br->count, + lower_limit); + if (index > 0) { + d->lower_limit = (int)lower_limit; + d->lower_limit_index = index; + } + } + + status = acpi_evaluate_integer(d->handle, "DDPC", NULL, &upper_limit); + if (ACPI_SUCCESS(status)) { + index = int3406_thermal_get_index(d->br->levels, d->br->count, + upper_limit); + if (index > 0) { + d->upper_limit = (int)upper_limit; + d->upper_limit_index = index; + } + } +} + +static void int3406_notify(acpi_handle handle, u32 event, void *data) +{ + if (event == INT3406_BRIGHTNESS_LIMITS_CHANGED) + int3406_thermal_get_limit(data); +} + +static int int3406_thermal_probe(struct platform_device *pdev) +{ + struct acpi_device *adev = ACPI_COMPANION(&pdev->dev); + struct int3406_thermal_data *d; + struct backlight_device *bd; + int ret; + + if (!ACPI_HANDLE(&pdev->dev)) + return -ENODEV; + + d = devm_kzalloc(&pdev->dev, sizeof(*d), GFP_KERNEL); + if (!d) + return -ENOMEM; + d->handle = ACPI_HANDLE(&pdev->dev); + + bd = backlight_device_get_by_type(BACKLIGHT_RAW); + if (!bd) + return -ENODEV; + d->raw_bd = bd; + + ret = acpi_video_get_levels(ACPI_COMPANION(&pdev->dev), &d->br); + if (ret) + return ret; + + int3406_thermal_get_limit(d); + + d->cooling_dev = thermal_cooling_device_register(acpi_device_bid(adev), + d, &video_cooling_ops); + if (IS_ERR(d->cooling_dev)) + goto err; + + ret = acpi_install_notify_handler(adev->handle, ACPI_DEVICE_NOTIFY, + int3406_notify, d); + if (ret) + goto err_cdev; + + platform_set_drvdata(pdev, d); + + return 0; + +err_cdev: + thermal_cooling_device_unregister(d->cooling_dev); +err: + kfree(d->br); + return -ENODEV; +} + +static int int3406_thermal_remove(struct platform_device *pdev) +{ + struct int3406_thermal_data *d = platform_get_drvdata(pdev); + + thermal_cooling_device_unregister(d->cooling_dev); + kfree(d->br); + return 0; +} + +static const struct acpi_device_id int3406_thermal_match[] = { + {"INT3406", 0}, + {} +}; + +MODULE_DEVICE_TABLE(acpi, int3406_thermal_match); + +static struct platform_driver int3406_thermal_driver = { + .probe = int3406_thermal_probe, + .remove = int3406_thermal_remove, + .driver = { + .name = "int3406 thermal", + .owner = THIS_MODULE, + .acpi_match_table = int3406_thermal_match, + }, +}; + +module_platform_driver(int3406_thermal_driver); + +MODULE_DESCRIPTION("INT3406 Thermal driver"); +MODULE_LICENSE("GPL v2"); diff --git a/drivers/usb/core/port.c b/drivers/usb/core/port.c index 14718a9ffcfb..460c855be0d0 100644 --- a/drivers/usb/core/port.c +++ b/drivers/usb/core/port.c @@ -249,18 +249,12 @@ static int usb_port_runtime_suspend(struct device *dev) return retval; } - -static int usb_port_prepare(struct device *dev) -{ - return 1; -} #endif static const struct dev_pm_ops usb_port_pm_ops = { #ifdef CONFIG_PM .runtime_suspend = usb_port_runtime_suspend, .runtime_resume = usb_port_runtime_resume, - .prepare = usb_port_prepare, #endif }; diff --git a/drivers/usb/core/usb.c b/drivers/usb/core/usb.c index dcb85e3cd5a7..479187c32571 100644 --- a/drivers/usb/core/usb.c +++ b/drivers/usb/core/usb.c @@ -312,13 +312,7 @@ static int usb_dev_uevent(struct device *dev, struct kobj_uevent_env *env) static int usb_dev_prepare(struct device *dev) { - struct usb_device *udev = to_usb_device(dev); - - /* Return 0 if the current wakeup setting is wrong, otherwise 1 */ - if (udev->do_remote_wakeup != device_may_wakeup(dev)) - return 0; - - return 1; + return 0; /* Implement eventually? */ } static void usb_dev_complete(struct device *dev) diff --git a/drivers/usb/musb/jz4740.c b/drivers/usb/musb/jz4740.c index 5e5a8fa005f8..bc8889956d17 100644 --- a/drivers/usb/musb/jz4740.c +++ b/drivers/usb/musb/jz4740.c @@ -83,9 +83,9 @@ static int jz4740_musb_init(struct musb *musb) { usb_phy_generic_register(); musb->xceiv = usb_get_phy(USB_PHY_TYPE_USB2); - if (!musb->xceiv) { + if (IS_ERR(musb->xceiv)) { pr_err("HS UDC: no transceiver configured\n"); - return -ENODEV; + return PTR_ERR(musb->xceiv); } /* Silicon does not implement ConfigData register. diff --git a/drivers/usb/musb/musb_gadget.c b/drivers/usb/musb/musb_gadget.c index 87bd578799a8..152865b36522 100644 --- a/drivers/usb/musb/musb_gadget.c +++ b/drivers/usb/musb/musb_gadget.c @@ -1164,12 +1164,12 @@ static int musb_gadget_disable(struct usb_ep *ep) musb_writew(epio, MUSB_RXMAXP, 0); } - musb_ep->desc = NULL; - musb_ep->end_point.desc = NULL; - /* abort all pending DMA and requests */ nuke(musb_ep, -ESHUTDOWN); + musb_ep->desc = NULL; + musb_ep->end_point.desc = NULL; + schedule_work(&musb->irq_work); spin_unlock_irqrestore(&(musb->lock), flags); diff --git a/drivers/usb/musb/musb_host.c b/drivers/usb/musb/musb_host.c index 58487a473521..2f8ad7f1f482 100644 --- a/drivers/usb/musb/musb_host.c +++ b/drivers/usb/musb/musb_host.c @@ -2735,7 +2735,7 @@ static const struct hc_driver musb_hc_driver = { .description = "musb-hcd", .product_desc = "MUSB HDRC host driver", .hcd_priv_size = sizeof(struct musb *), - .flags = HCD_USB2 | HCD_MEMORY | HCD_BH, + .flags = HCD_USB2 | HCD_MEMORY, /* not using irq handler or reset hooks from usbcore, since * those must be shared with peripheral code for OTG configs diff --git a/drivers/usb/serial/cp210x.c b/drivers/usb/serial/cp210x.c index dd47823bb014..7c9f25e9c422 100644 --- a/drivers/usb/serial/cp210x.c +++ b/drivers/usb/serial/cp210x.c @@ -109,6 +109,7 @@ static const struct usb_device_id id_table[] = { { USB_DEVICE(0x10C4, 0x826B) }, /* Cygnal Integrated Products, Inc., Fasttrax GPS demonstration module */ { USB_DEVICE(0x10C4, 0x8281) }, /* Nanotec Plug & Drive */ { USB_DEVICE(0x10C4, 0x8293) }, /* Telegesis ETRX2USB */ + { USB_DEVICE(0x10C4, 0x82F4) }, /* Starizona MicroTouch */ { USB_DEVICE(0x10C4, 0x82F9) }, /* Procyon AVS */ { USB_DEVICE(0x10C4, 0x8341) }, /* Siemens MC35PU GPRS Modem */ { USB_DEVICE(0x10C4, 0x8382) }, /* Cygnal Integrated Products, Inc. */ @@ -118,6 +119,7 @@ static const struct usb_device_id id_table[] = { { USB_DEVICE(0x10C4, 0x8418) }, /* IRZ Automation Teleport SG-10 GSM/GPRS Modem */ { USB_DEVICE(0x10C4, 0x846E) }, /* BEI USB Sensor Interface (VCP) */ { USB_DEVICE(0x10C4, 0x8477) }, /* Balluff RFID */ + { USB_DEVICE(0x10C4, 0x84B6) }, /* Starizona Hyperion */ { USB_DEVICE(0x10C4, 0x85EA) }, /* AC-Services IBUS-IF */ { USB_DEVICE(0x10C4, 0x85EB) }, /* AC-Services CIS-IBUS */ { USB_DEVICE(0x10C4, 0x85F8) }, /* Virtenio Preon32 */ @@ -141,6 +143,8 @@ static const struct usb_device_id id_table[] = { { USB_DEVICE(0x10C4, 0xF004) }, /* Elan Digital Systems USBcount50 */ { USB_DEVICE(0x10C5, 0xEA61) }, /* Silicon Labs MobiData GPRS USB Modem */ { USB_DEVICE(0x10CE, 0xEA6A) }, /* Silicon Labs MobiData GPRS USB Modem 100EU */ + { USB_DEVICE(0x12B8, 0xEC60) }, /* Link G4 ECU */ + { USB_DEVICE(0x12B8, 0xEC62) }, /* Link G4+ ECU */ { USB_DEVICE(0x13AD, 0x9999) }, /* Baltech card reader */ { USB_DEVICE(0x1555, 0x0004) }, /* Owen AC4 USB-RS485 Converter */ { USB_DEVICE(0x166A, 0x0201) }, /* Clipsal 5500PACA C-Bus Pascal Automation Controller */ diff --git a/drivers/video/backlight/backlight.c b/drivers/video/backlight/backlight.c index bddc8b17a4d8..288318ad21dd 100644 --- a/drivers/video/backlight/backlight.c +++ b/drivers/video/backlight/backlight.c @@ -164,18 +164,10 @@ static ssize_t brightness_show(struct device *dev, return sprintf(buf, "%d\n", bd->props.brightness); } -static ssize_t brightness_store(struct device *dev, - struct device_attribute *attr, const char *buf, size_t count) +int backlight_device_set_brightness(struct backlight_device *bd, + unsigned long brightness) { - int rc; - struct backlight_device *bd = to_backlight_device(dev); - unsigned long brightness; - - rc = kstrtoul(buf, 0, &brightness); - if (rc) - return rc; - - rc = -ENXIO; + int rc = -ENXIO; mutex_lock(&bd->ops_lock); if (bd->ops) { @@ -185,7 +177,7 @@ static ssize_t brightness_store(struct device *dev, pr_debug("set brightness to %lu\n", brightness); bd->props.brightness = brightness; backlight_update_status(bd); - rc = count; + rc = 0; } } mutex_unlock(&bd->ops_lock); @@ -194,6 +186,23 @@ static ssize_t brightness_store(struct device *dev, return rc; } +EXPORT_SYMBOL(backlight_device_set_brightness); + +static ssize_t brightness_store(struct device *dev, + struct device_attribute *attr, const char *buf, size_t count) +{ + int rc; + struct backlight_device *bd = to_backlight_device(dev); + unsigned long brightness; + + rc = kstrtoul(buf, 0, &brightness); + if (rc) + return rc; + + rc = backlight_device_set_brightness(bd, brightness); + + return rc ? rc : count; +} static DEVICE_ATTR_RW(brightness); static ssize_t type_show(struct device *dev, struct device_attribute *attr, @@ -380,7 +389,7 @@ struct backlight_device *backlight_device_register(const char *name, } EXPORT_SYMBOL(backlight_device_register); -bool backlight_device_registered(enum backlight_type type) +struct backlight_device *backlight_device_get_by_type(enum backlight_type type) { bool found = false; struct backlight_device *bd; @@ -394,9 +403,9 @@ bool backlight_device_registered(enum backlight_type type) } mutex_unlock(&backlight_dev_list_mutex); - return found; + return found ? bd : NULL; } -EXPORT_SYMBOL(backlight_device_registered); +EXPORT_SYMBOL(backlight_device_get_by_type); /** * backlight_device_unregister - unregisters a backlight device object. diff --git a/drivers/virtio/virtio_ring.c b/drivers/virtio/virtio_ring.c index 5c802d47892c..ca6bfddaacad 100644 --- a/drivers/virtio/virtio_ring.c +++ b/drivers/virtio/virtio_ring.c @@ -1006,7 +1006,7 @@ struct virtqueue *vring_create_virtqueue( const char *name) { struct virtqueue *vq; - void *queue; + void *queue = NULL; dma_addr_t dma_addr; size_t queue_size_in_bytes; struct vring vring; diff --git a/drivers/xen/balloon.c b/drivers/xen/balloon.c index 9781e0dd59d6..d46839f51e73 100644 --- a/drivers/xen/balloon.c +++ b/drivers/xen/balloon.c @@ -151,6 +151,8 @@ static DECLARE_WAIT_QUEUE_HEAD(balloon_wq); static void balloon_process(struct work_struct *work); static DECLARE_DELAYED_WORK(balloon_worker, balloon_process); +static void release_memory_resource(struct resource *resource); + /* When ballooning out (allocating memory to return to Xen) we don't really want the kernel to try too hard since that can trigger the oom killer. */ #define GFP_BALLOON \ @@ -267,6 +269,20 @@ static struct resource *additional_memory_resource(phys_addr_t size) return NULL; } +#ifdef CONFIG_SPARSEMEM + { + unsigned long limit = 1UL << (MAX_PHYSMEM_BITS - PAGE_SHIFT); + unsigned long pfn = res->start >> PAGE_SHIFT; + + if (pfn > limit) { + pr_err("New System RAM resource outside addressable RAM (%lu > %lu)\n", + pfn, limit); + release_memory_resource(res); + return NULL; + } + } +#endif + return res; } diff --git a/drivers/xen/evtchn.c b/drivers/xen/evtchn.c index 38272ad24551..f4edd6df3df2 100644 --- a/drivers/xen/evtchn.c +++ b/drivers/xen/evtchn.c @@ -316,7 +316,6 @@ static int evtchn_resize_ring(struct per_user_data *u) { unsigned int new_size; evtchn_port_t *new_ring, *old_ring; - unsigned int p, c; /* * Ensure the ring is large enough to capture all possible @@ -346,20 +345,17 @@ static int evtchn_resize_ring(struct per_user_data *u) /* * Copy the old ring contents to the new ring. * - * If the ring contents crosses the end of the current ring, - * it needs to be copied in two chunks. + * To take care of wrapping, a full ring, and the new index + * pointing into the second half, simply copy the old contents + * twice. * * +---------+ +------------------+ - * |34567 12| -> | 1234567 | - * +-----p-c-+ +------------------+ + * |34567 12| -> |34567 1234567 12| + * +-----p-c-+ +-------c------p---+ */ - p = evtchn_ring_offset(u, u->ring_prod); - c = evtchn_ring_offset(u, u->ring_cons); - if (p < c) { - memcpy(new_ring + c, u->ring + c, (u->ring_size - c) * sizeof(*u->ring)); - memcpy(new_ring + u->ring_size, u->ring, p * sizeof(*u->ring)); - } else - memcpy(new_ring + c, u->ring + c, (p - c) * sizeof(*u->ring)); + memcpy(new_ring, old_ring, u->ring_size * sizeof(*u->ring)); + memcpy(new_ring + u->ring_size, old_ring, + u->ring_size * sizeof(*u->ring)); u->ring = new_ring; u->ring_size = new_size; diff --git a/fs/fuse/file.c b/fs/fuse/file.c index 719924d6c706..dcad5e210525 100644 --- a/fs/fuse/file.c +++ b/fs/fuse/file.c @@ -1295,7 +1295,7 @@ static int fuse_get_user_pages(struct fuse_req *req, struct iov_iter *ii, *nbytesp = nbytes; - return ret; + return ret < 0 ? ret : 0; } static inline int fuse_iter_npages(const struct iov_iter *ii_p) diff --git a/fs/pnode.c b/fs/pnode.c index c524fdddc7fb..99899705b105 100644 --- a/fs/pnode.c +++ b/fs/pnode.c @@ -198,7 +198,7 @@ static struct mount *next_group(struct mount *m, struct mount *origin) /* all accesses are serialized by namespace_sem */ static struct user_namespace *user_ns; -static struct mount *last_dest, *last_source, *dest_master; +static struct mount *last_dest, *first_source, *last_source, *dest_master; static struct mountpoint *mp; static struct hlist_head *list; @@ -221,20 +221,22 @@ static int propagate_one(struct mount *m) type = CL_MAKE_SHARED; } else { struct mount *n, *p; + bool done; for (n = m; ; n = p) { p = n->mnt_master; - if (p == dest_master || IS_MNT_MARKED(p)) { - while (last_dest->mnt_master != p) { - last_source = last_source->mnt_master; - last_dest = last_source->mnt_parent; - } - if (!peers(n, last_dest)) { - last_source = last_source->mnt_master; - last_dest = last_source->mnt_parent; - } + if (p == dest_master || IS_MNT_MARKED(p)) break; - } } + do { + struct mount *parent = last_source->mnt_parent; + if (last_source == first_source) + break; + done = parent->mnt_master == p; + if (done && peers(n, parent)) + break; + last_source = last_source->mnt_master; + } while (!done); + type = CL_SLAVE; /* beginning of peer group among the slaves? */ if (IS_MNT_SHARED(m)) @@ -286,6 +288,7 @@ int propagate_mnt(struct mount *dest_mnt, struct mountpoint *dest_mp, */ user_ns = current->nsproxy->mnt_ns->user_ns; last_dest = dest_mnt; + first_source = source_mnt; last_source = source_mnt; mp = dest_mp; list = tree_list; diff --git a/fs/proc/base.c b/fs/proc/base.c index b1755b23893e..92e37e224cd2 100644 --- a/fs/proc/base.c +++ b/fs/proc/base.c @@ -955,7 +955,8 @@ static ssize_t environ_read(struct file *file, char __user *buf, struct mm_struct *mm = file->private_data; unsigned long env_start, env_end; - if (!mm) + /* Ensure the process spawned far enough to have an environment. */ + if (!mm || !mm->env_end) return 0; page = (char *)__get_free_page(GFP_TEMPORARY); diff --git a/fs/udf/super.c b/fs/udf/super.c index fa92fe839fda..36661acaf33b 100644 --- a/fs/udf/super.c +++ b/fs/udf/super.c @@ -919,14 +919,14 @@ static int udf_load_pvoldesc(struct super_block *sb, sector_t block) #endif } - ret = udf_CS0toUTF8(outstr, 31, pvoldesc->volIdent, 32); + ret = udf_dstrCS0toUTF8(outstr, 31, pvoldesc->volIdent, 32); if (ret < 0) goto out_bh; strncpy(UDF_SB(sb)->s_volume_ident, outstr, ret); udf_debug("volIdent[] = '%s'\n", UDF_SB(sb)->s_volume_ident); - ret = udf_CS0toUTF8(outstr, 127, pvoldesc->volSetIdent, 128); + ret = udf_dstrCS0toUTF8(outstr, 127, pvoldesc->volSetIdent, 128); if (ret < 0) goto out_bh; diff --git a/fs/udf/udfdecl.h b/fs/udf/udfdecl.h index 972b70625614..263829ef1873 100644 --- a/fs/udf/udfdecl.h +++ b/fs/udf/udfdecl.h @@ -212,7 +212,7 @@ extern int udf_get_filename(struct super_block *, const uint8_t *, int, uint8_t *, int); extern int udf_put_filename(struct super_block *, const uint8_t *, int, uint8_t *, int); -extern int udf_CS0toUTF8(uint8_t *, int, const uint8_t *, int); +extern int udf_dstrCS0toUTF8(uint8_t *, int, const uint8_t *, int); /* ialloc.c */ extern void udf_free_inode(struct inode *); diff --git a/fs/udf/unicode.c b/fs/udf/unicode.c index 3ff42f4437f3..695389a4fc23 100644 --- a/fs/udf/unicode.c +++ b/fs/udf/unicode.c @@ -335,9 +335,21 @@ try_again: return u_len; } -int udf_CS0toUTF8(uint8_t *utf_o, int o_len, const uint8_t *ocu_i, int i_len) +int udf_dstrCS0toUTF8(uint8_t *utf_o, int o_len, + const uint8_t *ocu_i, int i_len) { - return udf_name_from_CS0(utf_o, o_len, ocu_i, i_len, + int s_len = 0; + + if (i_len > 0) { + s_len = ocu_i[i_len - 1]; + if (s_len >= i_len) { + pr_err("incorrect dstring lengths (%d/%d)\n", + s_len, i_len); + return -EINVAL; + } + } + + return udf_name_from_CS0(utf_o, o_len, ocu_i, s_len, udf_uni2char_utf8, 0); } diff --git a/include/acpi/acpi_bus.h b/include/acpi/acpi_bus.h index 14362a84c78e..3a932501d690 100644 --- a/include/acpi/acpi_bus.h +++ b/include/acpi/acpi_bus.h @@ -394,13 +394,13 @@ struct acpi_data_node { static inline bool is_acpi_node(struct fwnode_handle *fwnode) { - return fwnode && (fwnode->type == FWNODE_ACPI + return !IS_ERR_OR_NULL(fwnode) && (fwnode->type == FWNODE_ACPI || fwnode->type == FWNODE_ACPI_DATA); } static inline bool is_acpi_device_node(struct fwnode_handle *fwnode) { - return fwnode && fwnode->type == FWNODE_ACPI; + return !IS_ERR_OR_NULL(fwnode) && fwnode->type == FWNODE_ACPI; } static inline struct acpi_device *to_acpi_device_node(struct fwnode_handle *fwnode) diff --git a/include/acpi/acpiosxf.h b/include/acpi/acpiosxf.h index d1e34d1eeea6..562603d7aabe 100644 --- a/include/acpi/acpiosxf.h +++ b/include/acpi/acpiosxf.h @@ -96,7 +96,7 @@ acpi_physical_address acpi_os_get_root_pointer(void); #ifndef ACPI_USE_ALTERNATE_PROTOTYPE_acpi_os_predefined_override acpi_status acpi_os_predefined_override(const struct acpi_predefined_names *init_val, - char **new_val); + acpi_string *new_val); #endif #ifndef ACPI_USE_ALTERNATE_PROTOTYPE_acpi_os_table_override @@ -108,7 +108,7 @@ acpi_os_table_override(struct acpi_table_header *existing_table, #ifndef ACPI_USE_ALTERNATE_PROTOTYPE_acpi_os_physical_table_override acpi_status acpi_os_physical_table_override(struct acpi_table_header *existing_table, - acpi_physical_address * new_address, + acpi_physical_address *new_address, u32 *new_table_length); #endif @@ -203,7 +203,7 @@ void acpi_os_unmap_memory(void *logical_address, acpi_size size); #ifndef ACPI_USE_ALTERNATE_PROTOTYPE_acpi_os_get_physical_address acpi_status acpi_os_get_physical_address(void *logical_address, - acpi_physical_address * physical_address); + acpi_physical_address *physical_address); #endif /* @@ -379,14 +379,14 @@ acpi_status acpi_os_get_table_by_name(char *signature, u32 instance, struct acpi_table_header **table, - acpi_physical_address * address); + acpi_physical_address *address); #endif #ifndef ACPI_USE_ALTERNATE_PROTOTYPE_acpi_os_get_table_by_index acpi_status acpi_os_get_table_by_index(u32 index, struct acpi_table_header **table, - u32 *instance, acpi_physical_address * address); + u32 *instance, acpi_physical_address *address); #endif #ifndef ACPI_USE_ALTERNATE_PROTOTYPE_acpi_os_get_table_by_address diff --git a/include/acpi/acpixf.h b/include/acpi/acpixf.h index 17556979dc79..4e4c21491c41 100644 --- a/include/acpi/acpixf.h +++ b/include/acpi/acpixf.h @@ -46,7 +46,7 @@ /* Current ACPICA subsystem version in YYYYMMDD format */ -#define ACPI_CA_VERSION 0x20160108 +#define ACPI_CA_VERSION 0x20160422 #include <acpi/acconfig.h> #include <acpi/actypes.h> @@ -192,7 +192,7 @@ ACPI_INIT_GLOBAL(u8, acpi_gbl_do_not_use_xsdt, FALSE); /* * Optionally support group module level code. */ -ACPI_INIT_GLOBAL(u8, acpi_gbl_group_module_level_code, TRUE); +ACPI_INIT_GLOBAL(u8, acpi_gbl_group_module_level_code, FALSE); /* * Optionally use 32-bit FADT addresses if and when there is a conflict @@ -484,8 +484,8 @@ ACPI_EXTERNAL_RETURN_STATUS(acpi_status __init acpi_load_tables(void)) ACPI_EXTERNAL_RETURN_STATUS(acpi_status __init acpi_reallocate_root_table(void)) ACPI_EXTERNAL_RETURN_STATUS(acpi_status __init - acpi_find_root_pointer(acpi_physical_address * - rsdp_address)) + acpi_find_root_pointer(acpi_physical_address + *rsdp_address)) ACPI_EXTERNAL_RETURN_STATUS(acpi_status acpi_get_table_header(acpi_string signature, u32 instance, @@ -530,7 +530,7 @@ ACPI_EXTERNAL_RETURN_STATUS(acpi_status ACPI_EXTERNAL_RETURN_STATUS(acpi_status acpi_get_handle(acpi_handle parent, acpi_string pathname, - acpi_handle * ret_handle)) + acpi_handle *ret_handle)) ACPI_EXTERNAL_RETURN_STATUS(acpi_status acpi_attach_data(acpi_handle object, acpi_object_handler handler, @@ -575,15 +575,15 @@ ACPI_EXTERNAL_RETURN_STATUS(acpi_status acpi_get_next_object(acpi_object_type type, acpi_handle parent, acpi_handle child, - acpi_handle * out_handle)) + acpi_handle *out_handle)) ACPI_EXTERNAL_RETURN_STATUS(acpi_status acpi_get_type(acpi_handle object, - acpi_object_type * out_type)) + acpi_object_type *out_type)) ACPI_EXTERNAL_RETURN_STATUS(acpi_status acpi_get_parent(acpi_handle object, - acpi_handle * out_handle)) + acpi_handle *out_handle)) /* * Handler interfaces @@ -755,7 +755,7 @@ ACPI_HW_DEPENDENT_RETURN_STATUS(acpi_status acpi_enable_all_wakeup_gpes(void)) ACPI_HW_DEPENDENT_RETURN_STATUS(acpi_status acpi_get_gpe_device(u32 gpe_index, - acpi_handle * gpe_device)) + acpi_handle *gpe_device)) ACPI_HW_DEPENDENT_RETURN_STATUS(acpi_status acpi_install_gpe_block(acpi_handle gpe_device, @@ -771,8 +771,8 @@ ACPI_HW_DEPENDENT_RETURN_STATUS(acpi_status * Resource interfaces */ typedef -acpi_status(*acpi_walk_resource_callback) (struct acpi_resource * resource, - void *context); +acpi_status (*acpi_walk_resource_callback) (struct acpi_resource * resource, + void *context); ACPI_EXTERNAL_RETURN_STATUS(acpi_status acpi_get_vendor_resource(acpi_handle device, @@ -938,7 +938,8 @@ ACPI_DBG_DEPENDENT_RETURN_VOID(void ACPI_APP_DEPENDENT_RETURN_VOID(ACPI_PRINTF_LIKE(1) void ACPI_INTERNAL_VAR_XFACE acpi_log_error(const char *format, ...)) - acpi_status acpi_initialize_debugger(void); + +acpi_status acpi_initialize_debugger(void); void acpi_terminate_debugger(void); diff --git a/include/acpi/acrestyp.h b/include/acpi/acrestyp.h index cf2acb84dfeb..16c189283ea0 100644 --- a/include/acpi/acrestyp.h +++ b/include/acpi/acrestyp.h @@ -417,6 +417,7 @@ struct acpi_resource_gpio { u8 type; \ u8 producer_consumer; /* For values, see Producer/Consumer above */\ u8 slave_mode; \ + u8 connection_sharing; \ u8 type_revision_id; \ u16 type_data_length; \ u16 vendor_length; \ diff --git a/include/acpi/actbl.h b/include/acpi/actbl.h index 0cb1a0036986..c19700e2a2fe 100644 --- a/include/acpi/actbl.h +++ b/include/acpi/actbl.h @@ -223,7 +223,7 @@ struct acpi_table_facs { /******************************************************************************* * * FADT - Fixed ACPI Description Table (Signature "FACP") - * Version 4 + * Version 6 * ******************************************************************************/ @@ -413,4 +413,6 @@ struct acpi_table_desc { #define ACPI_FADT_V5_SIZE (u32) (ACPI_FADT_OFFSET (hypervisor_id)) #define ACPI_FADT_V6_SIZE (u32) (sizeof (struct acpi_table_fadt)) +#define ACPI_FADT_CONFORMANCE "ACPI 6.1 (FADT version 6)" + #endif /* __ACTBL_H__ */ diff --git a/include/acpi/actbl1.h b/include/acpi/actbl1.h index 16e013600c19..796d6baae3a3 100644 --- a/include/acpi/actbl1.h +++ b/include/acpi/actbl1.h @@ -236,7 +236,8 @@ enum acpi_einj_actions { ACPI_EINJ_CHECK_BUSY_STATUS = 6, ACPI_EINJ_GET_COMMAND_STATUS = 7, ACPI_EINJ_SET_ERROR_TYPE_WITH_ADDRESS = 8, - ACPI_EINJ_ACTION_RESERVED = 9, /* 9 and greater are reserved */ + ACPI_EINJ_GET_EXECUTE_TIMINGS = 9, + ACPI_EINJ_ACTION_RESERVED = 10, /* 10 and greater are reserved */ ACPI_EINJ_TRIGGER_ERROR = 0xFF /* Except for this value */ }; @@ -348,7 +349,8 @@ enum acpi_erst_actions { ACPI_ERST_GET_ERROR_RANGE = 13, ACPI_ERST_GET_ERROR_LENGTH = 14, ACPI_ERST_GET_ERROR_ATTRIBUTES = 15, - ACPI_ERST_ACTION_RESERVED = 16 /* 16 and greater are reserved */ + ACPI_ERST_EXECUTE_TIMINGS = 16, + ACPI_ERST_ACTION_RESERVED = 17 /* 17 and greater are reserved */ }; /* Values for Instruction field above */ @@ -427,7 +429,8 @@ enum acpi_hest_types { ACPI_HEST_TYPE_AER_ENDPOINT = 7, ACPI_HEST_TYPE_AER_BRIDGE = 8, ACPI_HEST_TYPE_GENERIC_ERROR = 9, - ACPI_HEST_TYPE_RESERVED = 10 /* 10 and greater are reserved */ + ACPI_HEST_TYPE_GENERIC_ERROR_V2 = 10, + ACPI_HEST_TYPE_RESERVED = 11 /* 11 and greater are reserved */ }; /* @@ -506,7 +509,11 @@ enum acpi_hest_notify_types { ACPI_HEST_NOTIFY_NMI = 4, ACPI_HEST_NOTIFY_CMCI = 5, /* ACPI 5.0 */ ACPI_HEST_NOTIFY_MCE = 6, /* ACPI 5.0 */ - ACPI_HEST_NOTIFY_RESERVED = 7 /* 7 and greater are reserved */ + ACPI_HEST_NOTIFY_GPIO = 7, /* ACPI 6.0 */ + ACPI_HEST_NOTIFY_SEA = 8, /* ACPI 6.1 */ + ACPI_HEST_NOTIFY_SEI = 9, /* ACPI 6.1 */ + ACPI_HEST_NOTIFY_GSIV = 10, /* ACPI 6.1 */ + ACPI_HEST_NOTIFY_RESERVED = 11 /* 11 and greater are reserved */ }; /* Values for config_write_enable bitfield above */ @@ -603,6 +610,24 @@ struct acpi_hest_generic { u32 error_block_length; }; +/* 10: Generic Hardware Error Source, version 2 */ + +struct acpi_hest_generic_v2 { + struct acpi_hest_header header; + u16 related_source_id; + u8 reserved; + u8 enabled; + u32 records_to_preallocate; + u32 max_sections_per_record; + u32 max_raw_data_length; + struct acpi_generic_address error_status_address; + struct acpi_hest_notify notify; + u32 error_block_length; + struct acpi_generic_address read_ack_register; + u64 read_ack_preserve; + u64 read_ack_write; +}; + /* Generic Error Status block */ struct acpi_hest_generic_status { @@ -634,6 +659,33 @@ struct acpi_hest_generic_data { u8 fru_text[20]; }; +/* Extension for revision 0x0300 */ + +struct acpi_hest_generic_data_v300 { + u8 section_type[16]; + u32 error_severity; + u16 revision; + u8 validation_bits; + u8 flags; + u32 error_data_length; + u8 fru_id[16]; + u8 fru_text[20]; + u64 time_stamp; +}; + +/* Values for error_severity above */ + +#define ACPI_HEST_GEN_ERROR_RECOVERABLE 0 +#define ACPI_HEST_GEN_ERROR_FATAL 1 +#define ACPI_HEST_GEN_ERROR_CORRECTED 2 +#define ACPI_HEST_GEN_ERROR_NONE 3 + +/* Flags for validation_bits above */ + +#define ACPI_HEST_GEN_VALID_FRU_ID (1) +#define ACPI_HEST_GEN_VALID_FRU_STRING (1<<1) +#define ACPI_HEST_GEN_VALID_TIMESTAMP (1<<2) + /******************************************************************************* * * MADT - Multiple APIC Description Table @@ -934,7 +986,7 @@ struct acpi_msct_proximity { /******************************************************************************* * - * NFIT - NVDIMM Interface Table (ACPI 6.0) + * NFIT - NVDIMM Interface Table (ACPI 6.0+) * Version 1 * ******************************************************************************/ @@ -1015,6 +1067,7 @@ struct acpi_nfit_memory_map { #define ACPI_NFIT_MEM_NOT_ARMED (1<<3) /* 03: Memory Device is not armed */ #define ACPI_NFIT_MEM_HEALTH_OBSERVED (1<<4) /* 04: Memory Device observed SMART/health events */ #define ACPI_NFIT_MEM_HEALTH_ENABLED (1<<5) /* 05: SMART/health events enabled */ +#define ACPI_NFIT_MEM_MAP_FAILED (1<<6) /* 06: Mapping to SPA failed */ /* 2: Interleave Structure */ @@ -1046,7 +1099,10 @@ struct acpi_nfit_control_region { u16 subsystem_vendor_id; u16 subsystem_device_id; u16 subsystem_revision_id; - u8 reserved[6]; /* Reserved, must be zero */ + u8 valid_fields; + u8 manufacturing_location; + u16 manufacturing_date; + u8 reserved[2]; /* Reserved, must be zero */ u32 serial_number; u16 code; u16 windows; @@ -1061,7 +1117,11 @@ struct acpi_nfit_control_region { /* Flags */ -#define ACPI_NFIT_CONTROL_BUFFERED (1) /* Block Data Windows implementation is buffered */ +#define ACPI_NFIT_CONTROL_BUFFERED (1) /* Block Data Windows implementation is buffered */ + +/* valid_fields bits */ + +#define ACPI_NFIT_CONTROL_MFG_INFO_VALID (1) /* Manufacturing fields are valid */ /* 5: NVDIMM Block Data Window Region Structure */ diff --git a/include/acpi/actbl2.h b/include/acpi/actbl2.h index a4ef62537cac..c93dbadfc71d 100644 --- a/include/acpi/actbl2.h +++ b/include/acpi/actbl2.h @@ -321,7 +321,7 @@ struct acpi_csrt_descriptor { * DBG2 - Debug Port Table 2 * Version 0 (Both main table and subtables) * - * Conforms to "Microsoft Debug Port Table 2 (DBG2)", May 22 2012. + * Conforms to "Microsoft Debug Port Table 2 (DBG2)", December 10, 2015 * ******************************************************************************/ @@ -371,6 +371,11 @@ struct acpi_dbg2_device { #define ACPI_DBG2_16550_COMPATIBLE 0x0000 #define ACPI_DBG2_16550_SUBSET 0x0001 +#define ACPI_DBG2_ARM_PL011 0x0003 +#define ACPI_DBG2_ARM_SBSA_32BIT 0x000D +#define ACPI_DBG2_ARM_SBSA_GENERIC 0x000E +#define ACPI_DBG2_ARM_DCC 0x000F +#define ACPI_DBG2_BCM2835 0x0010 #define ACPI_DBG2_1394_STANDARD 0x0000 @@ -399,7 +404,7 @@ struct acpi_table_dbgp { * Version 1 * * Conforms to "Intel Virtualization Technology for Directed I/O", - * Version 2.2, Sept. 2013 + * Version 2.3, October 2014 * ******************************************************************************/ @@ -413,6 +418,8 @@ struct acpi_table_dmar { /* Masks for Flags field above */ #define ACPI_DMAR_INTR_REMAP (1) +#define ACPI_DMAR_X2APIC_OPT_OUT (1<<1) +#define ACPI_DMAR_X2APIC_MODE (1<<2) /* DMAR subtable header */ @@ -655,7 +662,7 @@ struct acpi_ibft_target { * IORT - IO Remapping Table * * Conforms to "IO Remapping Table System Software on ARM Platforms", - * Document number: ARM DEN 0049A, 2015 + * Document number: ARM DEN 0049B, October 2015 * ******************************************************************************/ @@ -685,7 +692,8 @@ enum acpi_iort_node_type { ACPI_IORT_NODE_ITS_GROUP = 0x00, ACPI_IORT_NODE_NAMED_COMPONENT = 0x01, ACPI_IORT_NODE_PCI_ROOT_COMPLEX = 0x02, - ACPI_IORT_NODE_SMMU = 0x03 + ACPI_IORT_NODE_SMMU = 0x03, + ACPI_IORT_NODE_SMMU_V3 = 0x04 }; struct acpi_iort_id_mapping { @@ -775,6 +783,23 @@ struct acpi_iort_smmu { #define ACPI_IORT_SMMU_DVM_SUPPORTED (1) #define ACPI_IORT_SMMU_COHERENT_WALK (1<<1) +struct acpi_iort_smmu_v3 { + u64 base_address; /* SMMUv3 base address */ + u32 flags; + u32 reserved; + u64 vatos_address; + u32 model; /* O: generic SMMUv3 */ + u32 event_gsiv; + u32 pri_gsiv; + u32 gerr_gsiv; + u32 sync_gsiv; +}; + +/* Masks for Flags field above */ + +#define ACPI_IORT_SMMU_V3_COHACC_OVERRIDE (1) +#define ACPI_IORT_SMMU_V3_HTTU_OVERRIDE (1<<1) + /******************************************************************************* * * IVRS - I/O Virtualization Reporting Structure @@ -1102,10 +1127,10 @@ struct acpi_table_slic { /******************************************************************************* * * SPCR - Serial Port Console Redirection table - * Version 1 + * Version 2 * * Conforms to "Serial Port Console Redirection Table", - * Version 1.00, January 11, 2002 + * Version 1.03, August 10, 2015 * ******************************************************************************/ @@ -1137,6 +1162,8 @@ struct acpi_table_spcr { #define ACPI_SPCR_DO_NOT_DISABLE (1) +/* Values for Interface Type: See the definition of the DBG2 table */ + /******************************************************************************* * * SPMI - Server Platform Management Interface table diff --git a/include/acpi/actbl3.h b/include/acpi/actbl3.h index ddf5e66c3b15..ebc1f4f9fe66 100644 --- a/include/acpi/actbl3.h +++ b/include/acpi/actbl3.h @@ -184,7 +184,7 @@ struct acpi_table_fpdt { struct acpi_table_header header; /* Common ACPI table header */ }; -/* FPDT subtable header */ +/* FPDT subtable header (Performance Record Structure) */ struct acpi_fpdt_header { u16 type; @@ -205,19 +205,15 @@ enum acpi_fpdt_type { /* 0: Firmware Basic Boot Performance Record */ -struct acpi_fpdt_boot { +struct acpi_fpdt_boot_pointer { struct acpi_fpdt_header header; u8 reserved[4]; - u64 reset_end; - u64 load_start; - u64 startup_start; - u64 exit_services_entry; - u64 exit_services_exit; + u64 address; }; /* 1: S3 Performance Table Pointer Record */ -struct acpi_fpdt_s3pt_ptr { +struct acpi_fpdt_s3pt_pointer { struct acpi_fpdt_header header; u8 reserved[4]; u64 address; @@ -225,7 +221,7 @@ struct acpi_fpdt_s3pt_ptr { /* * S3PT - S3 Performance Table. This table is pointed to by the - * FPDT S3 Pointer Record above. + * S3 Pointer Record above. */ struct acpi_table_s3pt { u8 signature[4]; /* "S3PT" */ @@ -233,34 +229,43 @@ struct acpi_table_s3pt { }; /* - * S3PT Subtables + * S3PT Subtables (Not part of the actual FPDT) */ -struct acpi_s3pt_header { - u16 type; - u8 length; - u8 revision; -}; -/* Values for Type field above */ +/* Values for Type field in S3PT header */ enum acpi_s3pt_type { ACPI_S3PT_TYPE_RESUME = 0, - ACPI_S3PT_TYPE_SUSPEND = 1 + ACPI_S3PT_TYPE_SUSPEND = 1, + ACPI_FPDT_BOOT_PERFORMANCE = 2 }; struct acpi_s3pt_resume { - struct acpi_s3pt_header header; + struct acpi_fpdt_header header; u32 resume_count; u64 full_resume; u64 average_resume; }; struct acpi_s3pt_suspend { - struct acpi_s3pt_header header; + struct acpi_fpdt_header header; u64 suspend_start; u64 suspend_end; }; +/* + * FPDT Boot Performance Record (Not part of the actual FPDT) + */ +struct acpi_fpdt_boot { + struct acpi_fpdt_header header; + u8 reserved[4]; + u64 reset_end; + u64 load_start; + u64 startup_start; + u64 exit_services_entry; + u64 exit_services_exit; +}; + /******************************************************************************* * * GTDT - Generic Timer Description Table (ACPI 5.1) @@ -476,7 +481,8 @@ struct acpi_table_pcct { enum acpi_pcct_type { ACPI_PCCT_TYPE_GENERIC_SUBSPACE = 0, ACPI_PCCT_TYPE_HW_REDUCED_SUBSPACE = 1, - ACPI_PCCT_TYPE_RESERVED = 2 /* 2 and greater are reserved */ + ACPI_PCCT_TYPE_HW_REDUCED_SUBSPACE_TYPE2 = 2, /* ACPI 6.1 */ + ACPI_PCCT_TYPE_RESERVED = 3 /* 3 and greater are reserved */ }; /* @@ -515,6 +521,26 @@ struct acpi_pcct_hw_reduced { u16 min_turnaround_time; }; +/* 2: HW-reduced Communications Subspace Type 2 (ACPI 6.1) */ + +struct acpi_pcct_hw_reduced_type2 { + struct acpi_subtable_header header; + u32 doorbell_interrupt; + u8 flags; + u8 reserved; + u64 base_address; + u64 length; + struct acpi_generic_address doorbell_register; + u64 preserve_mask; + u64 write_mask; + u32 latency; + u32 max_access_rate; + u16 min_turnaround_time; + struct acpi_generic_address doorbell_ack_register; + u64 ack_preserve_mask; + u64 ack_write_mask; +}; + /* Values for doorbell flags above */ #define ACPI_PCCT_INTERRUPT_POLARITY (1) diff --git a/include/acpi/actypes.h b/include/acpi/actypes.h index db46546d3b9d..cb389efd321c 100644 --- a/include/acpi/actypes.h +++ b/include/acpi/actypes.h @@ -630,7 +630,8 @@ typedef u64 acpi_integer; #define ACPI_NOTIFY_SHUTDOWN_REQUEST (u8) 0x0C #define ACPI_NOTIFY_AFFINITY_UPDATE (u8) 0x0D -#define ACPI_NOTIFY_MAX 0x0D +#define ACPI_GENERIC_NOTIFY_MAX 0x0D +#define ACPI_SPECIFIC_NOTIFY_MAX 0x84 /* * Types associated with ACPI names and objects. The first group of @@ -892,7 +893,7 @@ typedef u8 acpi_adr_space_type; /* Sleep function dispatch */ -typedef acpi_status(*acpi_sleep_function) (u8 sleep_state); +typedef acpi_status (*acpi_sleep_function) (u8 sleep_state); struct acpi_sleep_functions { acpi_sleep_function legacy_function; @@ -994,7 +995,7 @@ struct acpi_buffer { * Predefined Namespace items */ struct acpi_predefined_names { - char *name; + const char *name; u8 type; char *val; }; @@ -1071,20 +1072,21 @@ void (*acpi_notify_handler) (acpi_handle device, u32 value, void *context); typedef void (*acpi_object_handler) (acpi_handle object, void *data); -typedef acpi_status(*acpi_init_handler) (acpi_handle object, u32 function); +typedef +acpi_status (*acpi_init_handler) (acpi_handle object, u32 function); #define ACPI_INIT_DEVICE_INI 1 typedef -acpi_status(*acpi_exception_handler) (acpi_status aml_status, - acpi_name name, - u16 opcode, - u32 aml_offset, void *context); +acpi_status (*acpi_exception_handler) (acpi_status aml_status, + acpi_name name, + u16 opcode, + u32 aml_offset, void *context); /* Table Event handler (Load, load_table, etc.) and types */ typedef -acpi_status(*acpi_table_handler) (u32 event, void *table, void *context); +acpi_status (*acpi_table_handler) (u32 event, void *table, void *context); #define ACPI_TABLE_LOAD 0x0 #define ACPI_TABLE_UNLOAD 0x1 @@ -1093,12 +1095,12 @@ acpi_status(*acpi_table_handler) (u32 event, void *table, void *context); /* Address Spaces (For Operation Regions) */ typedef -acpi_status(*acpi_adr_space_handler) (u32 function, - acpi_physical_address address, - u32 bit_width, - u64 *value, - void *handler_context, - void *region_context); +acpi_status (*acpi_adr_space_handler) (u32 function, + acpi_physical_address address, + u32 bit_width, + u64 *value, + void *handler_context, + void *region_context); #define ACPI_DEFAULT_HANDLER NULL @@ -1111,18 +1113,18 @@ struct acpi_connection_info { }; typedef -acpi_status(*acpi_adr_space_setup) (acpi_handle region_handle, - u32 function, - void *handler_context, - void **region_context); +acpi_status (*acpi_adr_space_setup) (acpi_handle region_handle, + u32 function, + void *handler_context, + void **region_context); #define ACPI_REGION_ACTIVATE 0 #define ACPI_REGION_DEACTIVATE 1 typedef -acpi_status(*acpi_walk_callback) (acpi_handle object, - u32 nesting_level, - void *context, void **return_value); +acpi_status (*acpi_walk_callback) (acpi_handle object, + u32 nesting_level, + void *context, void **return_value); typedef u32 (*acpi_interface_handler) (acpi_string interface_name, u32 supported); @@ -1227,7 +1229,7 @@ struct acpi_mem_space_context { * struct acpi_memory_list is used only if the ACPICA local cache is enabled */ struct acpi_memory_list { - char *list_name; + const char *list_name; void *list_head; u16 object_size; u16 max_depth; diff --git a/include/acpi/platform/acenv.h b/include/acpi/platform/acenv.h index 7c0595bde132..86b5a8447606 100644 --- a/include/acpi/platform/acenv.h +++ b/include/acpi/platform/acenv.h @@ -66,17 +66,28 @@ * *****************************************************************************/ +/* Common application configuration. All single threaded except for acpi_exec. */ + +#if (defined ACPI_ASL_COMPILER) || \ + (defined ACPI_BIN_APP) || \ + (defined ACPI_DUMP_APP) || \ + (defined ACPI_HELP_APP) || \ + (defined ACPI_NAMES_APP) || \ + (defined ACPI_SRC_APP) || \ + (defined ACPI_XTRACT_APP) || \ + (defined ACPI_EXAMPLE_APP) +#define ACPI_APPLICATION +#define ACPI_SINGLE_THREADED +#endif + /* iASL configuration */ #ifdef ACPI_ASL_COMPILER -#define ACPI_APPLICATION #define ACPI_DEBUG_OUTPUT #define ACPI_CONSTANT_EVAL_ONLY #define ACPI_LARGE_NAMESPACE_NODE #define ACPI_DATA_TABLE_DISASSEMBLY -#define ACPI_SINGLE_THREADED #define ACPI_32BIT_PHYSICAL_ADDRESS - #define ACPI_DISASSEMBLER 1 #endif @@ -89,21 +100,6 @@ #define ACPI_DBG_TRACK_ALLOCATIONS #endif -/* - * acpi_bin/acpi_dump/acpi_help/acpi_names/acpi_src/acpi_xtract/Example - * configuration. All single threaded. - */ -#if (defined ACPI_BIN_APP) || \ - (defined ACPI_DUMP_APP) || \ - (defined ACPI_HELP_APP) || \ - (defined ACPI_NAMES_APP) || \ - (defined ACPI_SRC_APP) || \ - (defined ACPI_XTRACT_APP) || \ - (defined ACPI_EXAMPLE_APP) -#define ACPI_APPLICATION -#define ACPI_SINGLE_THREADED -#endif - /* acpi_help configuration. Error messages disabled. */ #ifdef ACPI_HELP_APP @@ -138,11 +134,16 @@ #define ACPI_REDUCED_HARDWARE 1 #endif -/* Linkable ACPICA library */ +/* Linkable ACPICA library. Two versions, one with full debug. */ #ifdef ACPI_LIBRARY #define ACPI_USE_LOCAL_CACHE -#define ACPI_FULL_DEBUG +#define ACPI_DEBUGGER 1 +#define ACPI_DISASSEMBLER 1 + +#ifdef _DEBUG +#define ACPI_DEBUG_OUTPUT +#endif #endif /* Common for all ACPICA applications */ @@ -218,6 +219,9 @@ #elif defined(__HAIKU__) #include "achaiku.h" +#elif defined(__QNX__) +#include "acqnx.h" + #else /* Unknown environment */ diff --git a/include/acpi/platform/acmsvcex.h b/include/acpi/platform/acmsvcex.h deleted file mode 100644 index 28084a1034fe..000000000000 --- a/include/acpi/platform/acmsvcex.h +++ /dev/null @@ -1,54 +0,0 @@ -/****************************************************************************** - * - * Name: acmsvcex.h - Extra VC specific defines, etc. - * - *****************************************************************************/ - -/* - * Copyright (C) 2000 - 2016, Intel Corp. - * All rights reserved. - * - * Redistribution and use in source and binary forms, with or without - * modification, are permitted provided that the following conditions - * are met: - * 1. Redistributions of source code must retain the above copyright - * notice, this list of conditions, and the following disclaimer, - * without modification. - * 2. Redistributions in binary form must reproduce at minimum a disclaimer - * substantially similar to the "NO WARRANTY" disclaimer below - * ("Disclaimer") and any redistribution must be conditioned upon - * including a substantially similar Disclaimer requirement for further - * binary redistribution. - * 3. Neither the names of the above-listed copyright holders nor the names - * of any contributors may be used to endorse or promote products derived - * from this software without specific prior written permission. - * - * Alternatively, this software may be distributed under the terms of the - * GNU General Public License ("GPL") version 2 as published by the Free - * Software Foundation. - * - * NO WARRANTY - * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS - * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT - * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR - * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT - * HOLDERS OR CONTRIBUTORS BE LIABLE FOR SPECIAL, EXEMPLARY, OR CONSEQUENTIAL - * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS - * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) - * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, - * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING - * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE - * POSSIBILITY OF SUCH DAMAGES. - */ - -#ifndef __ACMSVCEX_H__ -#define __ACMSVCEX_H__ - -/* Debug support. */ - -#ifdef _DEBUG -#define _CRTDBG_MAP_ALLOC /* Enables specific file/lineno for leaks */ -#include <crtdbg.h> -#endif - -#endif /* __ACMSVCEX_H__ */ diff --git a/include/acpi/platform/acwinex.h b/include/acpi/platform/acwinex.h deleted file mode 100644 index a00b3e4b80b0..000000000000 --- a/include/acpi/platform/acwinex.h +++ /dev/null @@ -1,49 +0,0 @@ -/****************************************************************************** - * - * Name: acwinex.h - Extra OS specific defines, etc. - * - *****************************************************************************/ - -/* - * Copyright (C) 2000 - 2016, Intel Corp. - * All rights reserved. - * - * Redistribution and use in source and binary forms, with or without - * modification, are permitted provided that the following conditions - * are met: - * 1. Redistributions of source code must retain the above copyright - * notice, this list of conditions, and the following disclaimer, - * without modification. - * 2. Redistributions in binary form must reproduce at minimum a disclaimer - * substantially similar to the "NO WARRANTY" disclaimer below - * ("Disclaimer") and any redistribution must be conditioned upon - * including a substantially similar Disclaimer requirement for further - * binary redistribution. - * 3. Neither the names of the above-listed copyright holders nor the names - * of any contributors may be used to endorse or promote products derived - * from this software without specific prior written permission. - * - * Alternatively, this software may be distributed under the terms of the - * GNU General Public License ("GPL") version 2 as published by the Free - * Software Foundation. - * - * NO WARRANTY - * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS - * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT - * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR - * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT - * HOLDERS OR CONTRIBUTORS BE LIABLE FOR SPECIAL, EXEMPLARY, OR CONSEQUENTIAL - * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS - * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) - * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, - * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING - * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE - * POSSIBILITY OF SUCH DAMAGES. - */ - -#ifndef __ACWINEX_H__ -#define __ACWINEX_H__ - -/* Windows uses VC */ - -#endif /* __ACWINEX_H__ */ diff --git a/include/acpi/video.h b/include/acpi/video.h index 5ca2f2c16458..70a41f742037 100644 --- a/include/acpi/video.h +++ b/include/acpi/video.h @@ -4,6 +4,19 @@ #include <linux/errno.h> /* for ENODEV */ #include <linux/types.h> /* for bool */ +struct acpi_video_brightness_flags { + u8 _BCL_no_ac_battery_levels:1; /* no AC/Battery levels in _BCL */ + u8 _BCL_reversed:1; /* _BCL package is in a reversed order */ + u8 _BQC_use_index:1; /* _BQC returns an index value */ +}; + +struct acpi_video_device_brightness { + int curr; + int count; + int *levels; + struct acpi_video_brightness_flags flags; +}; + struct acpi_device; #define ACPI_VIDEO_CLASS "video" @@ -37,6 +50,8 @@ extern void acpi_video_set_dmi_backlight_type(enum acpi_backlight_type type); * may change over time and should not be cached. */ extern bool acpi_video_handles_brightness_key_presses(void); +extern int acpi_video_get_levels(struct acpi_device *device, + struct acpi_video_device_brightness **dev_br); #else static inline int acpi_video_register(void) { return 0; } static inline void acpi_video_unregister(void) { return; } @@ -56,6 +71,11 @@ static inline bool acpi_video_handles_brightness_key_presses(void) { return false; } +static inline int acpi_video_get_levels(struct acpi_device *device, + struct acpi_video_device_brightness **dev_br) +{ + return -ENODEV; +} #endif #endif diff --git a/include/linux/acpi.h b/include/linux/acpi.h index 58f707a399c2..b25690bceab6 100644 --- a/include/linux/acpi.h +++ b/include/linux/acpi.h @@ -190,14 +190,6 @@ static inline int acpi_debugger_notify_command_complete(void) } #endif -#ifdef CONFIG_ACPI_INITRD_TABLE_OVERRIDE -void acpi_initrd_override(void *data, size_t size); -#else -static inline void acpi_initrd_override(void *data, size_t size) -{ -} -#endif - #define BAD_MADT_ENTRY(entry, end) ( \ (!entry) || (unsigned long)entry + sizeof(*entry) > end || \ ((struct acpi_subtable_header *)entry)->length < sizeof(*entry)) @@ -216,6 +208,7 @@ void acpi_boot_table_init (void); int acpi_mps_check (void); int acpi_numa_init (void); +void early_acpi_table_init(void *data, size_t size); int acpi_table_init (void); int acpi_table_parse(char *id, acpi_tbl_table_handler handler); int __init acpi_parse_entries(char *id, unsigned long table_size, @@ -278,6 +271,7 @@ void acpi_irq_stats_init(void); extern u32 acpi_irq_handled; extern u32 acpi_irq_not_handled; extern unsigned int acpi_sci_irq; +extern bool acpi_no_s5; #define INVALID_ACPI_IRQ ((unsigned)-1) static inline bool acpi_sci_irq_valid(void) { @@ -595,6 +589,7 @@ static inline const char *acpi_dev_name(struct acpi_device *adev) return NULL; } +static inline void early_acpi_table_init(void *data, size_t size) { } static inline void acpi_early_init(void) { } static inline void acpi_subsystem_init(void) { } diff --git a/include/linux/backlight.h b/include/linux/backlight.h index 1e7a69adbe6f..5f2fd61ef4fb 100644 --- a/include/linux/backlight.h +++ b/include/linux/backlight.h @@ -141,9 +141,10 @@ extern void devm_backlight_device_unregister(struct device *dev, struct backlight_device *bd); extern void backlight_force_update(struct backlight_device *bd, enum backlight_update_reason reason); -extern bool backlight_device_registered(enum backlight_type type); extern int backlight_register_notifier(struct notifier_block *nb); extern int backlight_unregister_notifier(struct notifier_block *nb); +extern struct backlight_device *backlight_device_get_by_type(enum backlight_type type); +extern int backlight_device_set_brightness(struct backlight_device *bd, unsigned long brightness); #define to_backlight_device(obj) container_of(obj, struct backlight_device, dev) diff --git a/include/linux/bpf.h b/include/linux/bpf.h index 21ee41b92e8a..f1d5c5acc8dd 100644 --- a/include/linux/bpf.h +++ b/include/linux/bpf.h @@ -171,12 +171,13 @@ void bpf_register_prog_type(struct bpf_prog_type_list *tl); void bpf_register_map_type(struct bpf_map_type_list *tl); struct bpf_prog *bpf_prog_get(u32 ufd); +struct bpf_prog *bpf_prog_inc(struct bpf_prog *prog); void bpf_prog_put(struct bpf_prog *prog); void bpf_prog_put_rcu(struct bpf_prog *prog); struct bpf_map *bpf_map_get_with_uref(u32 ufd); struct bpf_map *__bpf_map_get(struct fd f); -void bpf_map_inc(struct bpf_map *map, bool uref); +struct bpf_map *bpf_map_inc(struct bpf_map *map, bool uref); void bpf_map_put_with_uref(struct bpf_map *map); void bpf_map_put(struct bpf_map *map); int bpf_map_precharge_memlock(u32 pages); diff --git a/include/linux/hash.h b/include/linux/hash.h index 1afde47e1528..79c52fa81cac 100644 --- a/include/linux/hash.h +++ b/include/linux/hash.h @@ -32,12 +32,28 @@ #error Wordsize not 32 or 64 #endif +/* + * The above primes are actively bad for hashing, since they are + * too sparse. The 32-bit one is mostly ok, the 64-bit one causes + * real problems. Besides, the "prime" part is pointless for the + * multiplicative hash. + * + * Although a random odd number will do, it turns out that the golden + * ratio phi = (sqrt(5)-1)/2, or its negative, has particularly nice + * properties. + * + * These are the negative, (1 - phi) = (phi^2) = (3 - sqrt(5))/2. + * (See Knuth vol 3, section 6.4, exercise 9.) + */ +#define GOLDEN_RATIO_32 0x61C88647 +#define GOLDEN_RATIO_64 0x61C8864680B583EBull + static __always_inline u64 hash_64(u64 val, unsigned int bits) { u64 hash = val; -#if defined(CONFIG_ARCH_HAS_FAST_MULTIPLIER) && BITS_PER_LONG == 64 - hash = hash * GOLDEN_RATIO_PRIME_64; +#if BITS_PER_LONG == 64 + hash = hash * GOLDEN_RATIO_64; #else /* Sigh, gcc can't optimise this alone like it does for 32 bits. */ u64 n = hash; diff --git a/include/linux/if_ether.h b/include/linux/if_ether.h index d5569734f672..548fd535fd02 100644 --- a/include/linux/if_ether.h +++ b/include/linux/if_ether.h @@ -28,6 +28,11 @@ static inline struct ethhdr *eth_hdr(const struct sk_buff *skb) return (struct ethhdr *)skb_mac_header(skb); } +static inline struct ethhdr *inner_eth_hdr(const struct sk_buff *skb) +{ + return (struct ethhdr *)skb_inner_mac_header(skb); +} + int eth_header_parse(const struct sk_buff *skb, unsigned char *haddr); extern ssize_t sysfs_format_mac(char *buf, const unsigned char *addr, int len); diff --git a/include/linux/net.h b/include/linux/net.h index 49175e4ced11..f840d77c6c31 100644 --- a/include/linux/net.h +++ b/include/linux/net.h @@ -246,7 +246,15 @@ do { \ net_ratelimited_function(pr_warn, fmt, ##__VA_ARGS__) #define net_info_ratelimited(fmt, ...) \ net_ratelimited_function(pr_info, fmt, ##__VA_ARGS__) -#if defined(DEBUG) +#if defined(CONFIG_DYNAMIC_DEBUG) +#define net_dbg_ratelimited(fmt, ...) \ +do { \ + DEFINE_DYNAMIC_DEBUG_METADATA(descriptor, fmt); \ + if (unlikely(descriptor.flags & _DPRINTK_FLAGS_PRINT) && \ + net_ratelimit()) \ + __dynamic_pr_debug(&descriptor, fmt, ##__VA_ARGS__); \ +} while (0) +#elif defined(DEBUG) #define net_dbg_ratelimited(fmt, ...) \ net_ratelimited_function(pr_debug, fmt, ##__VA_ARGS__) #else diff --git a/include/linux/netdevice.h b/include/linux/netdevice.h index 8395308a2445..b3c46b019ac1 100644 --- a/include/linux/netdevice.h +++ b/include/linux/netdevice.h @@ -4004,7 +4004,7 @@ netdev_features_t netif_skb_features(struct sk_buff *skb); static inline bool net_gso_ok(netdev_features_t features, int gso_type) { - netdev_features_t feature = gso_type << NETIF_F_GSO_SHIFT; + netdev_features_t feature = (netdev_features_t)gso_type << NETIF_F_GSO_SHIFT; /* check flags correspondence */ BUILD_BUG_ON(SKB_GSO_TCPV4 != (NETIF_F_TSO >> NETIF_F_GSO_SHIFT)); diff --git a/include/linux/of.h b/include/linux/of.h index 7fcb681baadf..31758036787c 100644 --- a/include/linux/of.h +++ b/include/linux/of.h @@ -133,7 +133,7 @@ void of_core_init(void); static inline bool is_of_node(struct fwnode_handle *fwnode) { - return fwnode && fwnode->type == FWNODE_OF; + return !IS_ERR_OR_NULL(fwnode) && fwnode->type == FWNODE_OF; } static inline struct device_node *to_of_node(struct fwnode_handle *fwnode) diff --git a/include/linux/page-flags.h b/include/linux/page-flags.h index f4ed4f1b0c77..6b052aa7b5b7 100644 --- a/include/linux/page-flags.h +++ b/include/linux/page-flags.h @@ -517,6 +517,27 @@ static inline int PageTransCompound(struct page *page) } /* + * PageTransCompoundMap is the same as PageTransCompound, but it also + * guarantees the primary MMU has the entire compound page mapped + * through pmd_trans_huge, which in turn guarantees the secondary MMUs + * can also map the entire compound page. This allows the secondary + * MMUs to call get_user_pages() only once for each compound page and + * to immediately map the entire compound page with a single secondary + * MMU fault. If there will be a pmd split later, the secondary MMUs + * will get an update through the MMU notifier invalidation through + * split_huge_pmd(). + * + * Unlike PageTransCompound, this is safe to be called only while + * split_huge_pmd() cannot run from under us, like if protected by the + * MMU notifier, otherwise it may result in page->_mapcount < 0 false + * positives. + */ +static inline int PageTransCompoundMap(struct page *page) +{ + return PageTransCompound(page) && atomic_read(&page->_mapcount) < 0; +} + +/* * PageTransTail returns true for both transparent huge pages * and hugetlbfs pages, so it should only be called when it's known * that hugetlbfs pages aren't involved. @@ -559,6 +580,7 @@ static inline int TestClearPageDoubleMap(struct page *page) #else TESTPAGEFLAG_FALSE(TransHuge) TESTPAGEFLAG_FALSE(TransCompound) +TESTPAGEFLAG_FALSE(TransCompoundMap) TESTPAGEFLAG_FALSE(TransTail) TESTPAGEFLAG_FALSE(DoubleMap) TESTSETFLAG_FALSE(DoubleMap) diff --git a/include/linux/swap.h b/include/linux/swap.h index 2b83359c19ca..0a4cd4703f40 100644 --- a/include/linux/swap.h +++ b/include/linux/swap.h @@ -533,6 +533,10 @@ static inline swp_entry_t get_swap_page(void) #ifdef CONFIG_MEMCG static inline int mem_cgroup_swappiness(struct mem_cgroup *memcg) { + /* Cgroup2 doesn't have per-cgroup swappiness */ + if (cgroup_subsys_on_dfl(memory_cgrp_subsys)) + return vm_swappiness; + /* root ? */ if (mem_cgroup_disabled() || !memcg->css.parent) return vm_swappiness; diff --git a/include/net/vxlan.h b/include/net/vxlan.h index 73ed2e951c02..35437c779da8 100644 --- a/include/net/vxlan.h +++ b/include/net/vxlan.h @@ -252,7 +252,9 @@ static inline netdev_features_t vxlan_features_check(struct sk_buff *skb, (skb->inner_protocol_type != ENCAP_TYPE_ETHER || skb->inner_protocol != htons(ETH_P_TEB) || (skb_inner_mac_header(skb) - skb_transport_header(skb) != - sizeof(struct udphdr) + sizeof(struct vxlanhdr)))) + sizeof(struct udphdr) + sizeof(struct vxlanhdr)) || + (skb->ip_summed != CHECKSUM_NONE && + !can_checksum_protocol(features, inner_eth_hdr(skb)->h_proto)))) return features & ~(NETIF_F_CSUM_MASK | NETIF_F_GSO_MASK); return features; diff --git a/include/uapi/asm-generic/unistd.h b/include/uapi/asm-generic/unistd.h index 6e0f5f01734c..c51afb71bfab 100644 --- a/include/uapi/asm-generic/unistd.h +++ b/include/uapi/asm-generic/unistd.h @@ -718,9 +718,9 @@ __SYSCALL(__NR_mlock2, sys_mlock2) #define __NR_copy_file_range 285 __SYSCALL(__NR_copy_file_range, sys_copy_file_range) #define __NR_preadv2 286 -__SYSCALL(__NR_preadv2, sys_preadv2) +__SC_COMP(__NR_preadv2, sys_preadv2, compat_sys_preadv2) #define __NR_pwritev2 287 -__SYSCALL(__NR_pwritev2, sys_pwritev2) +__SC_COMP(__NR_pwritev2, sys_pwritev2, compat_sys_pwritev2) #undef __NR_syscalls #define __NR_syscalls 288 diff --git a/include/linux/rio_mport_cdev.h b/include/uapi/linux/rio_mport_cdev.h index b65d19df76d2..5796bf1d06ad 100644 --- a/include/linux/rio_mport_cdev.h +++ b/include/uapi/linux/rio_mport_cdev.h @@ -39,16 +39,16 @@ #ifndef _RIO_MPORT_CDEV_H_ #define _RIO_MPORT_CDEV_H_ -#ifndef __user -#define __user -#endif +#include <linux/ioctl.h> +#include <linux/types.h> struct rio_mport_maint_io { - uint32_t rioid; /* destID of remote device */ - uint32_t hopcount; /* hopcount to remote device */ - uint32_t offset; /* offset in register space */ - size_t length; /* length in bytes */ - void __user *buffer; /* data buffer */ + __u16 rioid; /* destID of remote device */ + __u8 hopcount; /* hopcount to remote device */ + __u8 pad0[5]; + __u32 offset; /* offset in register space */ + __u32 length; /* length in bytes */ + __u64 buffer; /* pointer to data buffer */ }; /* @@ -66,22 +66,23 @@ struct rio_mport_maint_io { #define RIO_CAP_MAP_INB (1 << 7) struct rio_mport_properties { - uint16_t hdid; - uint8_t id; /* Physical port ID */ - uint8_t index; - uint32_t flags; - uint32_t sys_size; /* Default addressing size */ - uint8_t port_ok; - uint8_t link_speed; - uint8_t link_width; - uint32_t dma_max_sge; - uint32_t dma_max_size; - uint32_t dma_align; - uint32_t transfer_mode; /* Default transfer mode */ - uint32_t cap_sys_size; /* Capable system sizes */ - uint32_t cap_addr_size; /* Capable addressing sizes */ - uint32_t cap_transfer_mode; /* Capable transfer modes */ - uint32_t cap_mport; /* Mport capabilities */ + __u16 hdid; + __u8 id; /* Physical port ID */ + __u8 index; + __u32 flags; + __u32 sys_size; /* Default addressing size */ + __u8 port_ok; + __u8 link_speed; + __u8 link_width; + __u8 pad0; + __u32 dma_max_sge; + __u32 dma_max_size; + __u32 dma_align; + __u32 transfer_mode; /* Default transfer mode */ + __u32 cap_sys_size; /* Capable system sizes */ + __u32 cap_addr_size; /* Capable addressing sizes */ + __u32 cap_transfer_mode; /* Capable transfer modes */ + __u32 cap_mport; /* Mport capabilities */ }; /* @@ -93,54 +94,57 @@ struct rio_mport_properties { #define RIO_PORTWRITE (1 << 1) struct rio_doorbell { - uint32_t rioid; - uint16_t payload; + __u16 rioid; + __u16 payload; }; struct rio_doorbell_filter { - uint32_t rioid; /* 0xffffffff to match all ids */ - uint16_t low; - uint16_t high; + __u16 rioid; /* Use RIO_INVALID_DESTID to match all ids */ + __u16 low; + __u16 high; + __u16 pad0; }; struct rio_portwrite { - uint32_t payload[16]; + __u32 payload[16]; }; struct rio_pw_filter { - uint32_t mask; - uint32_t low; - uint32_t high; + __u32 mask; + __u32 low; + __u32 high; + __u32 pad0; }; /* RapidIO base address for inbound requests set to value defined below * indicates that no specific RIO-to-local address translation is requested * and driver should use direct (one-to-one) address mapping. */ -#define RIO_MAP_ANY_ADDR (uint64_t)(~((uint64_t) 0)) +#define RIO_MAP_ANY_ADDR (__u64)(~((__u64) 0)) struct rio_mmap { - uint32_t rioid; - uint64_t rio_addr; - uint64_t length; - uint64_t handle; - void *address; + __u16 rioid; + __u16 pad0[3]; + __u64 rio_addr; + __u64 length; + __u64 handle; + __u64 address; }; struct rio_dma_mem { - uint64_t length; /* length of DMA memory */ - uint64_t dma_handle; /* handle associated with this memory */ - void *buffer; /* pointer to this memory */ + __u64 length; /* length of DMA memory */ + __u64 dma_handle; /* handle associated with this memory */ + __u64 address; }; - struct rio_event { - unsigned int header; /* event type RIO_DOORBELL or RIO_PORTWRITE */ + __u32 header; /* event type RIO_DOORBELL or RIO_PORTWRITE */ union { struct rio_doorbell doorbell; /* header for RIO_DOORBELL */ struct rio_portwrite portwrite; /* header for RIO_PORTWRITE */ } u; + __u32 pad0; }; enum rio_transfer_sync { @@ -184,35 +188,37 @@ enum rio_exchange { }; struct rio_transfer_io { - uint32_t rioid; /* Target destID */ - uint64_t rio_addr; /* Address in target's RIO mem space */ - enum rio_exchange method; /* Data exchange method */ - void __user *loc_addr; - uint64_t handle; - uint64_t offset; /* Offset in buffer */ - uint64_t length; /* Length in bytes */ - uint32_t completion_code; /* Completion code for this transfer */ + __u64 rio_addr; /* Address in target's RIO mem space */ + __u64 loc_addr; + __u64 handle; + __u64 offset; /* Offset in buffer */ + __u64 length; /* Length in bytes */ + __u16 rioid; /* Target destID */ + __u16 method; /* Data exchange method, one of rio_exchange enum */ + __u32 completion_code; /* Completion code for this transfer */ }; struct rio_transaction { - uint32_t transfer_mode; /* Data transfer mode */ - enum rio_transfer_sync sync; /* Synchronization method */ - enum rio_transfer_dir dir; /* Transfer direction */ - size_t count; /* Number of transfers */ - struct rio_transfer_io __user *block; /* Array of <count> transfers */ + __u64 block; /* Pointer to array of <count> transfers */ + __u32 count; /* Number of transfers */ + __u32 transfer_mode; /* Data transfer mode */ + __u16 sync; /* Synch method, one of rio_transfer_sync enum */ + __u16 dir; /* Transfer direction, one of rio_transfer_dir enum */ + __u32 pad0; }; struct rio_async_tx_wait { - uint32_t token; /* DMA transaction ID token */ - uint32_t timeout; /* Wait timeout in msec, if 0 use default TO */ + __u32 token; /* DMA transaction ID token */ + __u32 timeout; /* Wait timeout in msec, if 0 use default TO */ }; #define RIO_MAX_DEVNAME_SZ 20 struct rio_rdev_info { - uint32_t destid; - uint8_t hopcount; - uint32_t comptag; + __u16 destid; + __u8 hopcount; + __u8 pad0; + __u32 comptag; char name[RIO_MAX_DEVNAME_SZ + 1]; }; @@ -220,11 +226,11 @@ struct rio_rdev_info { #define RIO_MPORT_DRV_MAGIC 'm' #define RIO_MPORT_MAINT_HDID_SET \ - _IOW(RIO_MPORT_DRV_MAGIC, 1, uint16_t) + _IOW(RIO_MPORT_DRV_MAGIC, 1, __u16) #define RIO_MPORT_MAINT_COMPTAG_SET \ - _IOW(RIO_MPORT_DRV_MAGIC, 2, uint32_t) + _IOW(RIO_MPORT_DRV_MAGIC, 2, __u32) #define RIO_MPORT_MAINT_PORT_IDX_GET \ - _IOR(RIO_MPORT_DRV_MAGIC, 3, uint32_t) + _IOR(RIO_MPORT_DRV_MAGIC, 3, __u32) #define RIO_MPORT_GET_PROPERTIES \ _IOR(RIO_MPORT_DRV_MAGIC, 4, struct rio_mport_properties) #define RIO_MPORT_MAINT_READ_LOCAL \ @@ -244,9 +250,9 @@ struct rio_rdev_info { #define RIO_DISABLE_PORTWRITE_RANGE \ _IOW(RIO_MPORT_DRV_MAGIC, 12, struct rio_pw_filter) #define RIO_SET_EVENT_MASK \ - _IOW(RIO_MPORT_DRV_MAGIC, 13, unsigned int) + _IOW(RIO_MPORT_DRV_MAGIC, 13, __u32) #define RIO_GET_EVENT_MASK \ - _IOR(RIO_MPORT_DRV_MAGIC, 14, unsigned int) + _IOR(RIO_MPORT_DRV_MAGIC, 14, __u32) #define RIO_MAP_OUTBOUND \ _IOWR(RIO_MPORT_DRV_MAGIC, 15, struct rio_mmap) #define RIO_UNMAP_OUTBOUND \ @@ -254,11 +260,11 @@ struct rio_rdev_info { #define RIO_MAP_INBOUND \ _IOWR(RIO_MPORT_DRV_MAGIC, 17, struct rio_mmap) #define RIO_UNMAP_INBOUND \ - _IOW(RIO_MPORT_DRV_MAGIC, 18, uint64_t) + _IOW(RIO_MPORT_DRV_MAGIC, 18, __u64) #define RIO_ALLOC_DMA \ _IOWR(RIO_MPORT_DRV_MAGIC, 19, struct rio_dma_mem) #define RIO_FREE_DMA \ - _IOW(RIO_MPORT_DRV_MAGIC, 20, uint64_t) + _IOW(RIO_MPORT_DRV_MAGIC, 20, __u64) #define RIO_TRANSFER \ _IOWR(RIO_MPORT_DRV_MAGIC, 21, struct rio_transaction) #define RIO_WAIT_FOR_ASYNC \ diff --git a/include/uapi/linux/swab.h b/include/uapi/linux/swab.h index 3f10e5317b46..8f3a8f606fd9 100644 --- a/include/uapi/linux/swab.h +++ b/include/uapi/linux/swab.h @@ -45,9 +45,7 @@ static inline __attribute_const__ __u16 __fswab16(__u16 val) { -#ifdef __HAVE_BUILTIN_BSWAP16__ - return __builtin_bswap16(val); -#elif defined (__arch_swab16) +#if defined (__arch_swab16) return __arch_swab16(val); #else return ___constant_swab16(val); @@ -56,9 +54,7 @@ static inline __attribute_const__ __u16 __fswab16(__u16 val) static inline __attribute_const__ __u32 __fswab32(__u32 val) { -#ifdef __HAVE_BUILTIN_BSWAP32__ - return __builtin_bswap32(val); -#elif defined(__arch_swab32) +#if defined(__arch_swab32) return __arch_swab32(val); #else return ___constant_swab32(val); @@ -67,9 +63,7 @@ static inline __attribute_const__ __u32 __fswab32(__u32 val) static inline __attribute_const__ __u64 __fswab64(__u64 val) { -#ifdef __HAVE_BUILTIN_BSWAP64__ - return __builtin_bswap64(val); -#elif defined (__arch_swab64) +#if defined (__arch_swab64) return __arch_swab64(val); #elif defined(__SWAB_64_THRU_32__) __u32 h = val >> 32; @@ -102,28 +96,40 @@ static inline __attribute_const__ __u32 __fswahb32(__u32 val) * __swab16 - return a byteswapped 16-bit value * @x: value to byteswap */ +#ifdef __HAVE_BUILTIN_BSWAP16__ +#define __swab16(x) (__u16)__builtin_bswap16((__u16)(x)) +#else #define __swab16(x) \ (__builtin_constant_p((__u16)(x)) ? \ ___constant_swab16(x) : \ __fswab16(x)) +#endif /** * __swab32 - return a byteswapped 32-bit value * @x: value to byteswap */ +#ifdef __HAVE_BUILTIN_BSWAP32__ +#define __swab32(x) (__u32)__builtin_bswap32((__u32)(x)) +#else #define __swab32(x) \ (__builtin_constant_p((__u32)(x)) ? \ ___constant_swab32(x) : \ __fswab32(x)) +#endif /** * __swab64 - return a byteswapped 64-bit value * @x: value to byteswap */ +#ifdef __HAVE_BUILTIN_BSWAP64__ +#define __swab64(x) (__u64)__builtin_bswap64((__u64)(x)) +#else #define __swab64(x) \ (__builtin_constant_p((__u64)(x)) ? \ ___constant_swab64(x) : \ __fswab64(x)) +#endif /** * __swahw32 - return a word-swapped 32-bit value diff --git a/include/xen/page.h b/include/xen/page.h index 96294ac93755..9dc46cb8a0fd 100644 --- a/include/xen/page.h +++ b/include/xen/page.h @@ -15,9 +15,9 @@ */ #define xen_pfn_to_page(xen_pfn) \ - ((pfn_to_page(((unsigned long)(xen_pfn) << XEN_PAGE_SHIFT) >> PAGE_SHIFT))) + (pfn_to_page((unsigned long)(xen_pfn) >> (PAGE_SHIFT - XEN_PAGE_SHIFT))) #define page_to_xen_pfn(page) \ - (((page_to_pfn(page)) << PAGE_SHIFT) >> XEN_PAGE_SHIFT) + ((page_to_pfn(page)) << (PAGE_SHIFT - XEN_PAGE_SHIFT)) #define XEN_PFN_PER_PAGE (PAGE_SIZE / XEN_PAGE_SIZE) diff --git a/kernel/bpf/inode.c b/kernel/bpf/inode.c index f2ece3c174a5..8f94ca1860cf 100644 --- a/kernel/bpf/inode.c +++ b/kernel/bpf/inode.c @@ -31,10 +31,10 @@ static void *bpf_any_get(void *raw, enum bpf_type type) { switch (type) { case BPF_TYPE_PROG: - atomic_inc(&((struct bpf_prog *)raw)->aux->refcnt); + raw = bpf_prog_inc(raw); break; case BPF_TYPE_MAP: - bpf_map_inc(raw, true); + raw = bpf_map_inc(raw, true); break; default: WARN_ON_ONCE(1); @@ -297,7 +297,8 @@ static void *bpf_obj_do_get(const struct filename *pathname, goto out; raw = bpf_any_get(inode->i_private, *type); - touch_atime(&path); + if (!IS_ERR(raw)) + touch_atime(&path); path_put(&path); return raw; diff --git a/kernel/bpf/syscall.c b/kernel/bpf/syscall.c index adc5e4bd74f8..cf5e9f7ad13a 100644 --- a/kernel/bpf/syscall.c +++ b/kernel/bpf/syscall.c @@ -218,11 +218,18 @@ struct bpf_map *__bpf_map_get(struct fd f) return f.file->private_data; } -void bpf_map_inc(struct bpf_map *map, bool uref) +/* prog's and map's refcnt limit */ +#define BPF_MAX_REFCNT 32768 + +struct bpf_map *bpf_map_inc(struct bpf_map *map, bool uref) { - atomic_inc(&map->refcnt); + if (atomic_inc_return(&map->refcnt) > BPF_MAX_REFCNT) { + atomic_dec(&map->refcnt); + return ERR_PTR(-EBUSY); + } if (uref) atomic_inc(&map->usercnt); + return map; } struct bpf_map *bpf_map_get_with_uref(u32 ufd) @@ -234,7 +241,7 @@ struct bpf_map *bpf_map_get_with_uref(u32 ufd) if (IS_ERR(map)) return map; - bpf_map_inc(map, true); + map = bpf_map_inc(map, true); fdput(f); return map; @@ -658,6 +665,15 @@ static struct bpf_prog *__bpf_prog_get(struct fd f) return f.file->private_data; } +struct bpf_prog *bpf_prog_inc(struct bpf_prog *prog) +{ + if (atomic_inc_return(&prog->aux->refcnt) > BPF_MAX_REFCNT) { + atomic_dec(&prog->aux->refcnt); + return ERR_PTR(-EBUSY); + } + return prog; +} + /* called by sockets/tracing/seccomp before attaching program to an event * pairs with bpf_prog_put() */ @@ -670,7 +686,7 @@ struct bpf_prog *bpf_prog_get(u32 ufd) if (IS_ERR(prog)) return prog; - atomic_inc(&prog->aux->refcnt); + prog = bpf_prog_inc(prog); fdput(f); return prog; diff --git a/kernel/bpf/verifier.c b/kernel/bpf/verifier.c index db2574e7b8b0..c5c17a62f509 100644 --- a/kernel/bpf/verifier.c +++ b/kernel/bpf/verifier.c @@ -239,16 +239,6 @@ static const char * const reg_type_str[] = { [CONST_IMM] = "imm", }; -static const struct { - int map_type; - int func_id; -} func_limit[] = { - {BPF_MAP_TYPE_PROG_ARRAY, BPF_FUNC_tail_call}, - {BPF_MAP_TYPE_PERF_EVENT_ARRAY, BPF_FUNC_perf_event_read}, - {BPF_MAP_TYPE_PERF_EVENT_ARRAY, BPF_FUNC_perf_event_output}, - {BPF_MAP_TYPE_STACK_TRACE, BPF_FUNC_get_stackid}, -}; - static void print_verifier_state(struct verifier_env *env) { enum bpf_reg_type t; @@ -921,27 +911,52 @@ static int check_func_arg(struct verifier_env *env, u32 regno, static int check_map_func_compatibility(struct bpf_map *map, int func_id) { - bool bool_map, bool_func; - int i; - if (!map) return 0; - for (i = 0; i < ARRAY_SIZE(func_limit); i++) { - bool_map = (map->map_type == func_limit[i].map_type); - bool_func = (func_id == func_limit[i].func_id); - /* only when map & func pair match it can continue. - * don't allow any other map type to be passed into - * the special func; - */ - if (bool_func && bool_map != bool_func) { - verbose("cannot pass map_type %d into func %d\n", - map->map_type, func_id); - return -EINVAL; - } + /* We need a two way check, first is from map perspective ... */ + switch (map->map_type) { + case BPF_MAP_TYPE_PROG_ARRAY: + if (func_id != BPF_FUNC_tail_call) + goto error; + break; + case BPF_MAP_TYPE_PERF_EVENT_ARRAY: + if (func_id != BPF_FUNC_perf_event_read && + func_id != BPF_FUNC_perf_event_output) + goto error; + break; + case BPF_MAP_TYPE_STACK_TRACE: + if (func_id != BPF_FUNC_get_stackid) + goto error; + break; + default: + break; + } + + /* ... and second from the function itself. */ + switch (func_id) { + case BPF_FUNC_tail_call: + if (map->map_type != BPF_MAP_TYPE_PROG_ARRAY) + goto error; + break; + case BPF_FUNC_perf_event_read: + case BPF_FUNC_perf_event_output: + if (map->map_type != BPF_MAP_TYPE_PERF_EVENT_ARRAY) + goto error; + break; + case BPF_FUNC_get_stackid: + if (map->map_type != BPF_MAP_TYPE_STACK_TRACE) + goto error; + break; + default: + break; } return 0; +error: + verbose("cannot pass map_type %d into func %d\n", + map->map_type, func_id); + return -EINVAL; } static int check_call(struct verifier_env *env, int func_id) @@ -2049,15 +2064,18 @@ static int replace_map_fd_with_map_ptr(struct verifier_env *env) return -E2BIG; } - /* remember this map */ - env->used_maps[env->used_map_cnt++] = map; - /* hold the map. If the program is rejected by verifier, * the map will be released by release_maps() or it * will be used by the valid program until it's unloaded * and all maps are released in free_bpf_prog_info() */ - bpf_map_inc(map, false); + map = bpf_map_inc(map, false); + if (IS_ERR(map)) { + fdput(f); + return PTR_ERR(map); + } + env->used_maps[env->used_map_cnt++] = map; + fdput(f); next_insn: insn++; diff --git a/kernel/sched/core.c b/kernel/sched/core.c index 8b489fcac37b..d1f7149f8704 100644 --- a/kernel/sched/core.c +++ b/kernel/sched/core.c @@ -596,17 +596,8 @@ bool sched_can_stop_tick(struct rq *rq) return false; /* - * FIFO realtime policy runs the highest priority task (after DEADLINE). - * Other runnable tasks are of a lower priority. The scheduler tick - * isn't needed. - */ - fifo_nr_running = rq->rt.rt_nr_running - rq->rt.rr_nr_running; - if (fifo_nr_running) - return true; - - /* - * Round-robin realtime tasks time slice with other tasks at the same - * realtime priority. + * If there are more than one RR tasks, we need the tick to effect the + * actual RR behaviour. */ if (rq->rt.rr_nr_running) { if (rq->rt.rr_nr_running == 1) @@ -615,8 +606,20 @@ bool sched_can_stop_tick(struct rq *rq) return false; } - /* Normal multitasking need periodic preemption checks */ - if (rq->cfs.nr_running > 1) + /* + * If there's no RR tasks, but FIFO tasks, we can skip the tick, no + * forced preemption between FIFO tasks. + */ + fifo_nr_running = rq->rt.rt_nr_running - rq->rt.rr_nr_running; + if (fifo_nr_running) + return true; + + /* + * If there are no DL,RR/FIFO tasks, there must only be CFS tasks left; + * if there's more than one we need the tick for involuntary + * preemption. + */ + if (rq->nr_running > 1) return false; return true; diff --git a/kernel/trace/trace_events.c b/kernel/trace/trace_events.c index 05ddc0820771..6f965864cc02 100644 --- a/kernel/trace/trace_events.c +++ b/kernel/trace/trace_events.c @@ -2095,8 +2095,13 @@ event_create_dir(struct dentry *parent, struct trace_event_file *file) trace_create_file("filter", 0644, file->dir, file, &ftrace_event_filter_fops); - trace_create_file("trigger", 0644, file->dir, file, - &event_trigger_fops); + /* + * Only event directories that can be enabled should have + * triggers. + */ + if (!(call->flags & TRACE_EVENT_FL_IGNORE_ENABLE)) + trace_create_file("trigger", 0644, file->dir, file, + &event_trigger_fops); trace_create_file("format", 0444, file->dir, call, &ftrace_event_format_fops); diff --git a/lib/stackdepot.c b/lib/stackdepot.c index 9e0b0315a724..53ad6c0831ae 100644 --- a/lib/stackdepot.c +++ b/lib/stackdepot.c @@ -42,12 +42,14 @@ #define DEPOT_STACK_BITS (sizeof(depot_stack_handle_t) * 8) +#define STACK_ALLOC_NULL_PROTECTION_BITS 1 #define STACK_ALLOC_ORDER 2 /* 'Slab' size order for stack depot, 4 pages */ #define STACK_ALLOC_SIZE (1LL << (PAGE_SHIFT + STACK_ALLOC_ORDER)) #define STACK_ALLOC_ALIGN 4 #define STACK_ALLOC_OFFSET_BITS (STACK_ALLOC_ORDER + PAGE_SHIFT - \ STACK_ALLOC_ALIGN) -#define STACK_ALLOC_INDEX_BITS (DEPOT_STACK_BITS - STACK_ALLOC_OFFSET_BITS) +#define STACK_ALLOC_INDEX_BITS (DEPOT_STACK_BITS - \ + STACK_ALLOC_NULL_PROTECTION_BITS - STACK_ALLOC_OFFSET_BITS) #define STACK_ALLOC_SLABS_CAP 1024 #define STACK_ALLOC_MAX_SLABS \ (((1LL << (STACK_ALLOC_INDEX_BITS)) < STACK_ALLOC_SLABS_CAP) ? \ @@ -59,6 +61,7 @@ union handle_parts { struct { u32 slabindex : STACK_ALLOC_INDEX_BITS; u32 offset : STACK_ALLOC_OFFSET_BITS; + u32 valid : STACK_ALLOC_NULL_PROTECTION_BITS; }; }; @@ -136,6 +139,7 @@ static struct stack_record *depot_alloc_stack(unsigned long *entries, int size, stack->size = size; stack->handle.slabindex = depot_index; stack->handle.offset = depot_offset >> STACK_ALLOC_ALIGN; + stack->handle.valid = 1; memcpy(stack->entries, entries, size * sizeof(unsigned long)); depot_offset += required_size; diff --git a/mm/compaction.c b/mm/compaction.c index ccf97b02b85f..8fa254043801 100644 --- a/mm/compaction.c +++ b/mm/compaction.c @@ -852,16 +852,8 @@ isolate_migratepages_range(struct compact_control *cc, unsigned long start_pfn, pfn = isolate_migratepages_block(cc, pfn, block_end_pfn, ISOLATE_UNEVICTABLE); - /* - * In case of fatal failure, release everything that might - * have been isolated in the previous iteration, and signal - * the failure back to caller. - */ - if (!pfn) { - putback_movable_pages(&cc->migratepages); - cc->nr_migratepages = 0; + if (!pfn) break; - } if (cc->nr_migratepages == COMPACT_CLUSTER_MAX) break; @@ -1741,7 +1733,7 @@ void compaction_unregister_node(struct node *node) static inline bool kcompactd_work_requested(pg_data_t *pgdat) { - return pgdat->kcompactd_max_order > 0; + return pgdat->kcompactd_max_order > 0 || kthread_should_stop(); } static bool kcompactd_node_suitable(pg_data_t *pgdat) @@ -1805,6 +1797,8 @@ static void kcompactd_do_work(pg_data_t *pgdat) INIT_LIST_HEAD(&cc.freepages); INIT_LIST_HEAD(&cc.migratepages); + if (kthread_should_stop()) + return; status = compact_zone(zone, &cc); if (zone_watermark_ok(zone, cc.order, low_wmark_pages(zone), diff --git a/mm/huge_memory.c b/mm/huge_memory.c index df67b53ae3c5..f7daa7de8f48 100644 --- a/mm/huge_memory.c +++ b/mm/huge_memory.c @@ -3452,7 +3452,7 @@ next: } } - pr_info("%lu of %lu THP split", split, total); + pr_info("%lu of %lu THP split\n", split, total); return 0; } @@ -3463,7 +3463,7 @@ static int __init split_huge_pages_debugfs(void) { void *ret; - ret = debugfs_create_file("split_huge_pages", 0644, NULL, NULL, + ret = debugfs_create_file("split_huge_pages", 0200, NULL, NULL, &split_huge_pages_fops); if (!ret) pr_warn("Failed to create split_huge_pages in debugfs"); diff --git a/mm/memory.c b/mm/memory.c index 305537fc8640..52c218e2b724 100644 --- a/mm/memory.c +++ b/mm/memory.c @@ -1222,15 +1222,8 @@ static inline unsigned long zap_pmd_range(struct mmu_gather *tlb, next = pmd_addr_end(addr, end); if (pmd_trans_huge(*pmd) || pmd_devmap(*pmd)) { if (next - addr != HPAGE_PMD_SIZE) { -#ifdef CONFIG_DEBUG_VM - if (!rwsem_is_locked(&tlb->mm->mmap_sem)) { - pr_err("%s: mmap_sem is unlocked! addr=0x%lx end=0x%lx vma->vm_start=0x%lx vma->vm_end=0x%lx\n", - __func__, addr, end, - vma->vm_start, - vma->vm_end); - BUG(); - } -#endif + VM_BUG_ON_VMA(vma_is_anonymous(vma) && + !rwsem_is_locked(&tlb->mm->mmap_sem), vma); split_huge_pmd(vma, pmd, addr); } else if (zap_huge_pmd(tlb, vma, pmd, addr)) goto next; diff --git a/mm/page-writeback.c b/mm/page-writeback.c index 999792d35ccc..bc5149d5ec38 100644 --- a/mm/page-writeback.c +++ b/mm/page-writeback.c @@ -1910,7 +1910,8 @@ bool wb_over_bg_thresh(struct bdi_writeback *wb) if (gdtc->dirty > gdtc->bg_thresh) return true; - if (wb_stat(wb, WB_RECLAIMABLE) > __wb_calc_thresh(gdtc)) + if (wb_stat(wb, WB_RECLAIMABLE) > + wb_calc_thresh(gdtc->wb, gdtc->bg_thresh)) return true; if (mdtc) { @@ -1924,7 +1925,8 @@ bool wb_over_bg_thresh(struct bdi_writeback *wb) if (mdtc->dirty > mdtc->bg_thresh) return true; - if (wb_stat(wb, WB_RECLAIMABLE) > __wb_calc_thresh(mdtc)) + if (wb_stat(wb, WB_RECLAIMABLE) > + wb_calc_thresh(mdtc->wb, mdtc->bg_thresh)) return true; } diff --git a/mm/page_alloc.c b/mm/page_alloc.c index 59de90d5d3a3..c1069efcc4d7 100644 --- a/mm/page_alloc.c +++ b/mm/page_alloc.c @@ -6485,7 +6485,7 @@ int __meminit init_per_zone_wmark_min(void) setup_per_zone_inactive_ratio(); return 0; } -module_init(init_per_zone_wmark_min) +core_initcall(init_per_zone_wmark_min) /* * min_free_kbytes_sysctl_handler - just a wrapper around proc_dointvec() so diff --git a/mm/zswap.c b/mm/zswap.c index 91dad80d068b..de0f119b1780 100644 --- a/mm/zswap.c +++ b/mm/zswap.c @@ -170,6 +170,8 @@ static struct zswap_tree *zswap_trees[MAX_SWAPFILES]; static LIST_HEAD(zswap_pools); /* protects zswap_pools list modification */ static DEFINE_SPINLOCK(zswap_pools_lock); +/* pool counter to provide unique names to zpool */ +static atomic_t zswap_pools_count = ATOMIC_INIT(0); /* used by param callback function */ static bool zswap_init_started; @@ -565,6 +567,7 @@ static struct zswap_pool *zswap_pool_find_get(char *type, char *compressor) static struct zswap_pool *zswap_pool_create(char *type, char *compressor) { struct zswap_pool *pool; + char name[38]; /* 'zswap' + 32 char (max) num + \0 */ gfp_t gfp = __GFP_NORETRY | __GFP_NOWARN | __GFP_KSWAPD_RECLAIM; pool = kzalloc(sizeof(*pool), GFP_KERNEL); @@ -573,7 +576,10 @@ static struct zswap_pool *zswap_pool_create(char *type, char *compressor) return NULL; } - pool->zpool = zpool_create_pool(type, "zswap", gfp, &zswap_zpool_ops); + /* unique name for each pool specifically required by zsmalloc */ + snprintf(name, 38, "zswap%x", atomic_inc_return(&zswap_pools_count)); + + pool->zpool = zpool_create_pool(type, name, gfp, &zswap_zpool_ops); if (!pool->zpool) { pr_err("%s zpool not available\n", type); goto error; diff --git a/net/batman-adv/bat_v.c b/net/batman-adv/bat_v.c index 3315b9a598af..4026f198a734 100644 --- a/net/batman-adv/bat_v.c +++ b/net/batman-adv/bat_v.c @@ -32,10 +32,21 @@ #include "bat_v_elp.h" #include "bat_v_ogm.h" +#include "hard-interface.h" #include "hash.h" #include "originator.h" #include "packet.h" +static void batadv_v_iface_activate(struct batadv_hard_iface *hard_iface) +{ + /* B.A.T.M.A.N. V does not use any queuing mechanism, therefore it can + * set the interface as ACTIVE right away, without any risk of race + * condition + */ + if (hard_iface->if_status == BATADV_IF_TO_BE_ACTIVATED) + hard_iface->if_status = BATADV_IF_ACTIVE; +} + static int batadv_v_iface_enable(struct batadv_hard_iface *hard_iface) { int ret; @@ -274,6 +285,7 @@ static bool batadv_v_neigh_is_sob(struct batadv_neigh_node *neigh1, static struct batadv_algo_ops batadv_batman_v __read_mostly = { .name = "BATMAN_V", + .bat_iface_activate = batadv_v_iface_activate, .bat_iface_enable = batadv_v_iface_enable, .bat_iface_disable = batadv_v_iface_disable, .bat_iface_update_mac = batadv_v_iface_update_mac, diff --git a/net/batman-adv/distributed-arp-table.c b/net/batman-adv/distributed-arp-table.c index e96d7c745b4a..3e6b2624f980 100644 --- a/net/batman-adv/distributed-arp-table.c +++ b/net/batman-adv/distributed-arp-table.c @@ -568,6 +568,7 @@ static void batadv_choose_next_candidate(struct batadv_priv *bat_priv, * be sent to * @bat_priv: the bat priv with all the soft interface information * @ip_dst: ipv4 to look up in the DHT + * @vid: VLAN identifier * * An originator O is selected if and only if its DHT_ID value is one of three * closest values (from the LEFT, with wrap around if needed) then the hash @@ -576,7 +577,8 @@ static void batadv_choose_next_candidate(struct batadv_priv *bat_priv, * Return: the candidate array of size BATADV_DAT_CANDIDATE_NUM. */ static struct batadv_dat_candidate * -batadv_dat_select_candidates(struct batadv_priv *bat_priv, __be32 ip_dst) +batadv_dat_select_candidates(struct batadv_priv *bat_priv, __be32 ip_dst, + unsigned short vid) { int select; batadv_dat_addr_t last_max = BATADV_DAT_ADDR_MAX, ip_key; @@ -592,7 +594,7 @@ batadv_dat_select_candidates(struct batadv_priv *bat_priv, __be32 ip_dst) return NULL; dat.ip = ip_dst; - dat.vid = 0; + dat.vid = vid; ip_key = (batadv_dat_addr_t)batadv_hash_dat(&dat, BATADV_DAT_ADDR_MAX); @@ -612,6 +614,7 @@ batadv_dat_select_candidates(struct batadv_priv *bat_priv, __be32 ip_dst) * @bat_priv: the bat priv with all the soft interface information * @skb: payload to send * @ip: the DHT key + * @vid: VLAN identifier * @packet_subtype: unicast4addr packet subtype to use * * This function copies the skb with pskb_copy() and is sent as unicast packet @@ -622,7 +625,7 @@ batadv_dat_select_candidates(struct batadv_priv *bat_priv, __be32 ip_dst) */ static bool batadv_dat_send_data(struct batadv_priv *bat_priv, struct sk_buff *skb, __be32 ip, - int packet_subtype) + unsigned short vid, int packet_subtype) { int i; bool ret = false; @@ -631,7 +634,7 @@ static bool batadv_dat_send_data(struct batadv_priv *bat_priv, struct sk_buff *tmp_skb; struct batadv_dat_candidate *cand; - cand = batadv_dat_select_candidates(bat_priv, ip); + cand = batadv_dat_select_candidates(bat_priv, ip, vid); if (!cand) goto out; @@ -1022,7 +1025,7 @@ bool batadv_dat_snoop_outgoing_arp_request(struct batadv_priv *bat_priv, ret = true; } else { /* Send the request to the DHT */ - ret = batadv_dat_send_data(bat_priv, skb, ip_dst, + ret = batadv_dat_send_data(bat_priv, skb, ip_dst, vid, BATADV_P_DAT_DHT_GET); } out: @@ -1150,8 +1153,8 @@ void batadv_dat_snoop_outgoing_arp_reply(struct batadv_priv *bat_priv, /* Send the ARP reply to the candidates for both the IP addresses that * the node obtained from the ARP reply */ - batadv_dat_send_data(bat_priv, skb, ip_src, BATADV_P_DAT_DHT_PUT); - batadv_dat_send_data(bat_priv, skb, ip_dst, BATADV_P_DAT_DHT_PUT); + batadv_dat_send_data(bat_priv, skb, ip_src, vid, BATADV_P_DAT_DHT_PUT); + batadv_dat_send_data(bat_priv, skb, ip_dst, vid, BATADV_P_DAT_DHT_PUT); } /** diff --git a/net/batman-adv/hard-interface.c b/net/batman-adv/hard-interface.c index b22b2775a0a5..0a7deaf2670a 100644 --- a/net/batman-adv/hard-interface.c +++ b/net/batman-adv/hard-interface.c @@ -407,6 +407,9 @@ batadv_hardif_activate_interface(struct batadv_hard_iface *hard_iface) batadv_update_min_mtu(hard_iface->soft_iface); + if (bat_priv->bat_algo_ops->bat_iface_activate) + bat_priv->bat_algo_ops->bat_iface_activate(hard_iface); + out: if (primary_if) batadv_hardif_put(primary_if); @@ -572,8 +575,7 @@ void batadv_hardif_disable_interface(struct batadv_hard_iface *hard_iface, struct batadv_priv *bat_priv = netdev_priv(hard_iface->soft_iface); struct batadv_hard_iface *primary_if = NULL; - if (hard_iface->if_status == BATADV_IF_ACTIVE) - batadv_hardif_deactivate_interface(hard_iface); + batadv_hardif_deactivate_interface(hard_iface); if (hard_iface->if_status != BATADV_IF_INACTIVE) goto out; diff --git a/net/batman-adv/originator.c b/net/batman-adv/originator.c index e4cbb0753e37..c355a824713c 100644 --- a/net/batman-adv/originator.c +++ b/net/batman-adv/originator.c @@ -250,7 +250,6 @@ static void batadv_neigh_node_release(struct kref *ref) { struct hlist_node *node_tmp; struct batadv_neigh_node *neigh_node; - struct batadv_hardif_neigh_node *hardif_neigh; struct batadv_neigh_ifinfo *neigh_ifinfo; struct batadv_algo_ops *bao; @@ -262,13 +261,7 @@ static void batadv_neigh_node_release(struct kref *ref) batadv_neigh_ifinfo_put(neigh_ifinfo); } - hardif_neigh = batadv_hardif_neigh_get(neigh_node->if_incoming, - neigh_node->addr); - if (hardif_neigh) { - /* batadv_hardif_neigh_get() increases refcount too */ - batadv_hardif_neigh_put(hardif_neigh); - batadv_hardif_neigh_put(hardif_neigh); - } + batadv_hardif_neigh_put(neigh_node->hardif_neigh); if (bao->bat_neigh_free) bao->bat_neigh_free(neigh_node); @@ -663,6 +656,11 @@ batadv_neigh_node_new(struct batadv_orig_node *orig_node, ether_addr_copy(neigh_node->addr, neigh_addr); neigh_node->if_incoming = hard_iface; neigh_node->orig_node = orig_node; + neigh_node->last_seen = jiffies; + + /* increment unique neighbor refcount */ + kref_get(&hardif_neigh->refcount); + neigh_node->hardif_neigh = hardif_neigh; /* extra reference for return */ kref_init(&neigh_node->refcount); @@ -672,9 +670,6 @@ batadv_neigh_node_new(struct batadv_orig_node *orig_node, hlist_add_head_rcu(&neigh_node->list, &orig_node->neigh_list); spin_unlock_bh(&orig_node->neigh_list_lock); - /* increment unique neighbor refcount */ - kref_get(&hardif_neigh->refcount); - batadv_dbg(BATADV_DBG_BATMAN, orig_node->bat_priv, "Creating new neighbor %pM for orig_node %pM on interface %s\n", neigh_addr, orig_node->orig, hard_iface->net_dev->name); diff --git a/net/batman-adv/routing.c b/net/batman-adv/routing.c index 4dd646a52f1a..b781bf753250 100644 --- a/net/batman-adv/routing.c +++ b/net/batman-adv/routing.c @@ -105,6 +105,15 @@ static void _batadv_update_route(struct batadv_priv *bat_priv, neigh_node = NULL; spin_lock_bh(&orig_node->neigh_list_lock); + /* curr_router used earlier may not be the current orig_ifinfo->router + * anymore because it was dereferenced outside of the neigh_list_lock + * protected region. After the new best neighbor has replace the current + * best neighbor the reference counter needs to decrease. Consequently, + * the code needs to ensure the curr_router variable contains a pointer + * to the replaced best neighbor. + */ + curr_router = rcu_dereference_protected(orig_ifinfo->router, true); + rcu_assign_pointer(orig_ifinfo->router, neigh_node); spin_unlock_bh(&orig_node->neigh_list_lock); batadv_orig_ifinfo_put(orig_ifinfo); diff --git a/net/batman-adv/send.c b/net/batman-adv/send.c index 3ce06e0a91b1..76417850d3fc 100644 --- a/net/batman-adv/send.c +++ b/net/batman-adv/send.c @@ -675,6 +675,9 @@ batadv_purge_outstanding_packets(struct batadv_priv *bat_priv, if (pending) { hlist_del(&forw_packet->list); + if (!forw_packet->own) + atomic_inc(&bat_priv->bcast_queue_left); + batadv_forw_packet_free(forw_packet); } } @@ -702,6 +705,9 @@ batadv_purge_outstanding_packets(struct batadv_priv *bat_priv, if (pending) { hlist_del(&forw_packet->list); + if (!forw_packet->own) + atomic_inc(&bat_priv->batman_queue_left); + batadv_forw_packet_free(forw_packet); } } diff --git a/net/batman-adv/soft-interface.c b/net/batman-adv/soft-interface.c index 0710379491bf..8a136b6a1ff0 100644 --- a/net/batman-adv/soft-interface.c +++ b/net/batman-adv/soft-interface.c @@ -408,11 +408,17 @@ void batadv_interface_rx(struct net_device *soft_iface, */ nf_reset(skb); + if (unlikely(!pskb_may_pull(skb, ETH_HLEN))) + goto dropped; + vid = batadv_get_vid(skb, 0); ethhdr = eth_hdr(skb); switch (ntohs(ethhdr->h_proto)) { case ETH_P_8021Q: + if (!pskb_may_pull(skb, VLAN_ETH_HLEN)) + goto dropped; + vhdr = (struct vlan_ethhdr *)skb->data; if (vhdr->h_vlan_encapsulated_proto != ethertype) @@ -424,8 +430,6 @@ void batadv_interface_rx(struct net_device *soft_iface, } /* skb->dev & skb->pkt_type are set here */ - if (unlikely(!pskb_may_pull(skb, ETH_HLEN))) - goto dropped; skb->protocol = eth_type_trans(skb, soft_iface); /* should not be necessary anymore as we use skb_pull_rcsum() diff --git a/net/batman-adv/translation-table.c b/net/batman-adv/translation-table.c index 0b43e86328a5..9b4551a86535 100644 --- a/net/batman-adv/translation-table.c +++ b/net/batman-adv/translation-table.c @@ -215,6 +215,8 @@ static void batadv_tt_local_entry_release(struct kref *ref) tt_local_entry = container_of(ref, struct batadv_tt_local_entry, common.refcount); + batadv_softif_vlan_put(tt_local_entry->vlan); + kfree_rcu(tt_local_entry, common.rcu); } @@ -673,6 +675,7 @@ bool batadv_tt_local_add(struct net_device *soft_iface, const u8 *addr, kref_get(&tt_local->common.refcount); tt_local->last_seen = jiffies; tt_local->common.added_at = tt_local->last_seen; + tt_local->vlan = vlan; /* the batman interface mac and multicast addresses should never be * purged @@ -991,7 +994,6 @@ int batadv_tt_local_seq_print_text(struct seq_file *seq, void *offset) struct batadv_tt_common_entry *tt_common_entry; struct batadv_tt_local_entry *tt_local; struct batadv_hard_iface *primary_if; - struct batadv_softif_vlan *vlan; struct hlist_head *head; unsigned short vid; u32 i; @@ -1027,14 +1029,6 @@ int batadv_tt_local_seq_print_text(struct seq_file *seq, void *offset) last_seen_msecs = last_seen_msecs % 1000; no_purge = tt_common_entry->flags & np_flag; - - vlan = batadv_softif_vlan_get(bat_priv, vid); - if (!vlan) { - seq_printf(seq, "Cannot retrieve VLAN %d\n", - BATADV_PRINT_VID(vid)); - continue; - } - seq_printf(seq, " * %pM %4i [%c%c%c%c%c%c] %3u.%03u (%#.8x)\n", tt_common_entry->addr, @@ -1052,9 +1046,7 @@ int batadv_tt_local_seq_print_text(struct seq_file *seq, void *offset) BATADV_TT_CLIENT_ISOLA) ? 'I' : '.'), no_purge ? 0 : last_seen_secs, no_purge ? 0 : last_seen_msecs, - vlan->tt.crc); - - batadv_softif_vlan_put(vlan); + tt_local->vlan->tt.crc); } rcu_read_unlock(); } @@ -1099,7 +1091,6 @@ u16 batadv_tt_local_remove(struct batadv_priv *bat_priv, const u8 *addr, { struct batadv_tt_local_entry *tt_local_entry; u16 flags, curr_flags = BATADV_NO_FLAGS; - struct batadv_softif_vlan *vlan; void *tt_entry_exists; tt_local_entry = batadv_tt_local_hash_find(bat_priv, addr, vid); @@ -1139,14 +1130,6 @@ u16 batadv_tt_local_remove(struct batadv_priv *bat_priv, const u8 *addr, /* extra call to free the local tt entry */ batadv_tt_local_entry_put(tt_local_entry); - /* decrease the reference held for this vlan */ - vlan = batadv_softif_vlan_get(bat_priv, vid); - if (!vlan) - goto out; - - batadv_softif_vlan_put(vlan); - batadv_softif_vlan_put(vlan); - out: if (tt_local_entry) batadv_tt_local_entry_put(tt_local_entry); @@ -1219,7 +1202,6 @@ static void batadv_tt_local_table_free(struct batadv_priv *bat_priv) spinlock_t *list_lock; /* protects write access to the hash lists */ struct batadv_tt_common_entry *tt_common_entry; struct batadv_tt_local_entry *tt_local; - struct batadv_softif_vlan *vlan; struct hlist_node *node_tmp; struct hlist_head *head; u32 i; @@ -1241,14 +1223,6 @@ static void batadv_tt_local_table_free(struct batadv_priv *bat_priv) struct batadv_tt_local_entry, common); - /* decrease the reference held for this vlan */ - vlan = batadv_softif_vlan_get(bat_priv, - tt_common_entry->vid); - if (vlan) { - batadv_softif_vlan_put(vlan); - batadv_softif_vlan_put(vlan); - } - batadv_tt_local_entry_put(tt_local); } spin_unlock_bh(list_lock); @@ -3309,7 +3283,6 @@ static void batadv_tt_local_purge_pending_clients(struct batadv_priv *bat_priv) struct batadv_hashtable *hash = bat_priv->tt.local_hash; struct batadv_tt_common_entry *tt_common; struct batadv_tt_local_entry *tt_local; - struct batadv_softif_vlan *vlan; struct hlist_node *node_tmp; struct hlist_head *head; spinlock_t *list_lock; /* protects write access to the hash lists */ @@ -3339,13 +3312,6 @@ static void batadv_tt_local_purge_pending_clients(struct batadv_priv *bat_priv) struct batadv_tt_local_entry, common); - /* decrease the reference held for this vlan */ - vlan = batadv_softif_vlan_get(bat_priv, tt_common->vid); - if (vlan) { - batadv_softif_vlan_put(vlan); - batadv_softif_vlan_put(vlan); - } - batadv_tt_local_entry_put(tt_local); } spin_unlock_bh(list_lock); diff --git a/net/batman-adv/types.h b/net/batman-adv/types.h index 9abfb3e73c34..1e47fbe8bb7b 100644 --- a/net/batman-adv/types.h +++ b/net/batman-adv/types.h @@ -433,6 +433,7 @@ struct batadv_hardif_neigh_node { * @ifinfo_lock: lock protecting private ifinfo members and list * @if_incoming: pointer to incoming hard-interface * @last_seen: when last packet via this neighbor was received + * @hardif_neigh: hardif_neigh of this neighbor * @refcount: number of contexts the object is used * @rcu: struct used for freeing in an RCU-safe manner */ @@ -444,6 +445,7 @@ struct batadv_neigh_node { spinlock_t ifinfo_lock; /* protects ifinfo_list and its members */ struct batadv_hard_iface *if_incoming; unsigned long last_seen; + struct batadv_hardif_neigh_node *hardif_neigh; struct kref refcount; struct rcu_head rcu; }; @@ -1073,10 +1075,12 @@ struct batadv_tt_common_entry { * struct batadv_tt_local_entry - translation table local entry data * @common: general translation table data * @last_seen: timestamp used for purging stale tt local entries + * @vlan: soft-interface vlan of the entry */ struct batadv_tt_local_entry { struct batadv_tt_common_entry common; unsigned long last_seen; + struct batadv_softif_vlan *vlan; }; /** @@ -1250,6 +1254,8 @@ struct batadv_forw_packet { * struct batadv_algo_ops - mesh algorithm callbacks * @list: list node for the batadv_algo_list * @name: name of the algorithm + * @bat_iface_activate: start routing mechanisms when hard-interface is brought + * up * @bat_iface_enable: init routing info when hard-interface is enabled * @bat_iface_disable: de-init routing info when hard-interface is disabled * @bat_iface_update_mac: (re-)init mac addresses of the protocol information @@ -1277,6 +1283,7 @@ struct batadv_forw_packet { struct batadv_algo_ops { struct hlist_node list; char *name; + void (*bat_iface_activate)(struct batadv_hard_iface *hard_iface); int (*bat_iface_enable)(struct batadv_hard_iface *hard_iface); void (*bat_iface_disable)(struct batadv_hard_iface *hard_iface); void (*bat_iface_update_mac)(struct batadv_hard_iface *hard_iface); diff --git a/net/core/dev.c b/net/core/dev.c index 77a71cd68535..5c925ac50b95 100644 --- a/net/core/dev.c +++ b/net/core/dev.c @@ -2802,7 +2802,7 @@ static netdev_features_t harmonize_features(struct sk_buff *skb, if (skb->ip_summed != CHECKSUM_NONE && !can_checksum_protocol(features, type)) { - features &= ~NETIF_F_CSUM_MASK; + features &= ~(NETIF_F_CSUM_MASK | NETIF_F_GSO_MASK); } else if (illegal_highdma(skb->dev, skb)) { features &= ~NETIF_F_SG; } diff --git a/net/ipv4/inet_hashtables.c b/net/ipv4/inet_hashtables.c index bc68eced0105..0d9e9d7bb029 100644 --- a/net/ipv4/inet_hashtables.c +++ b/net/ipv4/inet_hashtables.c @@ -470,6 +470,7 @@ static int inet_reuseport_add_sock(struct sock *sk, const struct sock *sk2, bool match_wildcard)) { + struct inet_bind_bucket *tb = inet_csk(sk)->icsk_bind_hash; struct sock *sk2; struct hlist_nulls_node *node; kuid_t uid = sock_i_uid(sk); @@ -479,6 +480,7 @@ static int inet_reuseport_add_sock(struct sock *sk, sk2->sk_family == sk->sk_family && ipv6_only_sock(sk2) == ipv6_only_sock(sk) && sk2->sk_bound_dev_if == sk->sk_bound_dev_if && + inet_csk(sk2)->icsk_bind_hash == tb && sk2->sk_reuseport && uid_eq(uid, sock_i_uid(sk2)) && saddr_same(sk, sk2, false)) return reuseport_add_sock(sk, sk2); diff --git a/net/ipv4/ip_gre.c b/net/ipv4/ip_gre.c index af5d1f38217f..205a2b8a5a84 100644 --- a/net/ipv4/ip_gre.c +++ b/net/ipv4/ip_gre.c @@ -179,6 +179,7 @@ static __be16 tnl_flags_to_gre_flags(__be16 tflags) return flags; } +/* Fills in tpi and returns header length to be pulled. */ static int parse_gre_header(struct sk_buff *skb, struct tnl_ptk_info *tpi, bool *csum_err) { @@ -238,7 +239,7 @@ static int parse_gre_header(struct sk_buff *skb, struct tnl_ptk_info *tpi, return -EINVAL; } } - return iptunnel_pull_header(skb, hdr_len, tpi->proto, false); + return hdr_len; } static void ipgre_err(struct sk_buff *skb, u32 info, @@ -341,7 +342,7 @@ static void gre_err(struct sk_buff *skb, u32 info) struct tnl_ptk_info tpi; bool csum_err = false; - if (parse_gre_header(skb, &tpi, &csum_err)) { + if (parse_gre_header(skb, &tpi, &csum_err) < 0) { if (!csum_err) /* ignore csum errors. */ return; } @@ -419,6 +420,7 @@ static int gre_rcv(struct sk_buff *skb) { struct tnl_ptk_info tpi; bool csum_err = false; + int hdr_len; #ifdef CONFIG_NET_IPGRE_BROADCAST if (ipv4_is_multicast(ip_hdr(skb)->daddr)) { @@ -428,7 +430,10 @@ static int gre_rcv(struct sk_buff *skb) } #endif - if (parse_gre_header(skb, &tpi, &csum_err) < 0) + hdr_len = parse_gre_header(skb, &tpi, &csum_err); + if (hdr_len < 0) + goto drop; + if (iptunnel_pull_header(skb, hdr_len, tpi.proto, false) < 0) goto drop; if (ipgre_rcv(skb, &tpi) == PACKET_RCVD) @@ -523,7 +528,8 @@ static struct rtable *gre_get_rt(struct sk_buff *skb, return ip_route_output_key(net, fl); } -static void gre_fb_xmit(struct sk_buff *skb, struct net_device *dev) +static void gre_fb_xmit(struct sk_buff *skb, struct net_device *dev, + __be16 proto) { struct ip_tunnel_info *tun_info; const struct ip_tunnel_key *key; @@ -575,7 +581,7 @@ static void gre_fb_xmit(struct sk_buff *skb, struct net_device *dev) } flags = tun_info->key.tun_flags & (TUNNEL_CSUM | TUNNEL_KEY); - build_header(skb, tunnel_hlen, flags, htons(ETH_P_TEB), + build_header(skb, tunnel_hlen, flags, proto, tunnel_id_to_key(tun_info->key.tun_id), 0); df = key->tun_flags & TUNNEL_DONT_FRAGMENT ? htons(IP_DF) : 0; @@ -616,7 +622,7 @@ static netdev_tx_t ipgre_xmit(struct sk_buff *skb, const struct iphdr *tnl_params; if (tunnel->collect_md) { - gre_fb_xmit(skb, dev); + gre_fb_xmit(skb, dev, skb->protocol); return NETDEV_TX_OK; } @@ -660,7 +666,7 @@ static netdev_tx_t gre_tap_xmit(struct sk_buff *skb, struct ip_tunnel *tunnel = netdev_priv(dev); if (tunnel->collect_md) { - gre_fb_xmit(skb, dev); + gre_fb_xmit(skb, dev, htons(ETH_P_TEB)); return NETDEV_TX_OK; } @@ -893,7 +899,7 @@ static int ipgre_tunnel_init(struct net_device *dev) netif_keep_dst(dev); dev->addr_len = 4; - if (iph->daddr) { + if (iph->daddr && !tunnel->collect_md) { #ifdef CONFIG_NET_IPGRE_BROADCAST if (ipv4_is_multicast(iph->daddr)) { if (!iph->saddr) @@ -902,8 +908,9 @@ static int ipgre_tunnel_init(struct net_device *dev) dev->header_ops = &ipgre_header_ops; } #endif - } else + } else if (!tunnel->collect_md) { dev->header_ops = &ipgre_header_ops; + } return ip_tunnel_init(dev); } @@ -946,6 +953,11 @@ static int ipgre_tunnel_validate(struct nlattr *tb[], struct nlattr *data[]) if (flags & (GRE_VERSION|GRE_ROUTING)) return -EINVAL; + if (data[IFLA_GRE_COLLECT_METADATA] && + data[IFLA_GRE_ENCAP_TYPE] && + nla_get_u16(data[IFLA_GRE_ENCAP_TYPE]) != TUNNEL_ENCAP_NONE) + return -EINVAL; + return 0; } diff --git a/net/ipv4/ip_tunnel.c b/net/ipv4/ip_tunnel.c index 6aad0192443d..a69ed94bda1b 100644 --- a/net/ipv4/ip_tunnel.c +++ b/net/ipv4/ip_tunnel.c @@ -326,12 +326,12 @@ static int ip_tunnel_bind_dev(struct net_device *dev) if (!IS_ERR(rt)) { tdev = rt->dst.dev; - dst_cache_set_ip4(&tunnel->dst_cache, &rt->dst, - fl4.saddr); ip_rt_put(rt); } if (dev->type != ARPHRD_ETHER) dev->flags |= IFF_POINTOPOINT; + + dst_cache_reset(&tunnel->dst_cache); } if (!tdev && tunnel->parms.link) diff --git a/net/ipv6/ila/ila_lwt.c b/net/ipv6/ila/ila_lwt.c index 2ae3c4fd8aab..41f18de5dcc2 100644 --- a/net/ipv6/ila/ila_lwt.c +++ b/net/ipv6/ila/ila_lwt.c @@ -120,8 +120,7 @@ nla_put_failure: static int ila_encap_nlsize(struct lwtunnel_state *lwtstate) { - /* No encapsulation overhead */ - return 0; + return nla_total_size(sizeof(u64)); /* ILA_ATTR_LOCATOR */ } static int ila_encap_cmp(struct lwtunnel_state *a, struct lwtunnel_state *b) diff --git a/net/l2tp/l2tp_core.c b/net/l2tp/l2tp_core.c index afca2eb4dfa7..6edfa9980314 100644 --- a/net/l2tp/l2tp_core.c +++ b/net/l2tp/l2tp_core.c @@ -1376,9 +1376,9 @@ static int l2tp_tunnel_sock_create(struct net *net, memcpy(&udp_conf.peer_ip6, cfg->peer_ip6, sizeof(udp_conf.peer_ip6)); udp_conf.use_udp6_tx_checksums = - cfg->udp6_zero_tx_checksums; + ! cfg->udp6_zero_tx_checksums; udp_conf.use_udp6_rx_checksums = - cfg->udp6_zero_rx_checksums; + ! cfg->udp6_zero_rx_checksums; } else #endif { diff --git a/net/mac80211/iface.c b/net/mac80211/iface.c index 453b4e741780..e1cb22c16530 100644 --- a/net/mac80211/iface.c +++ b/net/mac80211/iface.c @@ -1761,7 +1761,7 @@ int ieee80211_if_add(struct ieee80211_local *local, const char *name, ret = dev_alloc_name(ndev, ndev->name); if (ret < 0) { - free_netdev(ndev); + ieee80211_if_free(ndev); return ret; } @@ -1847,7 +1847,7 @@ int ieee80211_if_add(struct ieee80211_local *local, const char *name, ret = register_netdevice(ndev); if (ret) { - free_netdev(ndev); + ieee80211_if_free(ndev); return ret; } } diff --git a/net/rds/tcp.c b/net/rds/tcp.c index 61ed2a8764ba..86187dad1440 100644 --- a/net/rds/tcp.c +++ b/net/rds/tcp.c @@ -127,7 +127,7 @@ void rds_tcp_restore_callbacks(struct socket *sock, /* * This is the only path that sets tc->t_sock. Send and receive trust that - * it is set. The RDS_CONN_CONNECTED bit protects those paths from being + * it is set. The RDS_CONN_UP bit protects those paths from being * called while it isn't set. */ void rds_tcp_set_callbacks(struct socket *sock, struct rds_connection *conn) @@ -216,6 +216,7 @@ static int rds_tcp_conn_alloc(struct rds_connection *conn, gfp_t gfp) if (!tc) return -ENOMEM; + mutex_init(&tc->t_conn_lock); tc->t_sock = NULL; tc->t_tinc = NULL; tc->t_tinc_hdr_rem = sizeof(struct rds_header); diff --git a/net/rds/tcp.h b/net/rds/tcp.h index 64f873c0c6b6..41c228300525 100644 --- a/net/rds/tcp.h +++ b/net/rds/tcp.h @@ -12,6 +12,10 @@ struct rds_tcp_connection { struct list_head t_tcp_node; struct rds_connection *conn; + /* t_conn_lock synchronizes the connection establishment between + * rds_tcp_accept_one and rds_tcp_conn_connect + */ + struct mutex t_conn_lock; struct socket *t_sock; void *t_orig_write_space; void *t_orig_data_ready; diff --git a/net/rds/tcp_connect.c b/net/rds/tcp_connect.c index 5cb16875c460..49a3fcfed360 100644 --- a/net/rds/tcp_connect.c +++ b/net/rds/tcp_connect.c @@ -78,7 +78,14 @@ int rds_tcp_conn_connect(struct rds_connection *conn) struct socket *sock = NULL; struct sockaddr_in src, dest; int ret; + struct rds_tcp_connection *tc = conn->c_transport_data; + + mutex_lock(&tc->t_conn_lock); + if (rds_conn_up(conn)) { + mutex_unlock(&tc->t_conn_lock); + return 0; + } ret = sock_create_kern(rds_conn_net(conn), PF_INET, SOCK_STREAM, IPPROTO_TCP, &sock); if (ret < 0) @@ -120,6 +127,7 @@ int rds_tcp_conn_connect(struct rds_connection *conn) } out: + mutex_unlock(&tc->t_conn_lock); if (sock) sock_release(sock); return ret; diff --git a/net/rds/tcp_listen.c b/net/rds/tcp_listen.c index 0936a4a32b47..be263cdf268b 100644 --- a/net/rds/tcp_listen.c +++ b/net/rds/tcp_listen.c @@ -76,7 +76,9 @@ int rds_tcp_accept_one(struct socket *sock) struct rds_connection *conn; int ret; struct inet_sock *inet; - struct rds_tcp_connection *rs_tcp; + struct rds_tcp_connection *rs_tcp = NULL; + int conn_state; + struct sock *nsk; ret = sock_create_kern(sock_net(sock->sk), sock->sk->sk_family, sock->sk->sk_type, sock->sk->sk_protocol, @@ -115,28 +117,44 @@ int rds_tcp_accept_one(struct socket *sock) * rds_tcp_state_change() will do that cleanup */ rs_tcp = (struct rds_tcp_connection *)conn->c_transport_data; - if (rs_tcp->t_sock && - ntohl(inet->inet_saddr) < ntohl(inet->inet_daddr)) { - struct sock *nsk = new_sock->sk; - - nsk->sk_user_data = NULL; - nsk->sk_prot->disconnect(nsk, 0); - tcp_done(nsk); - new_sock = NULL; - ret = 0; - goto out; - } else if (rs_tcp->t_sock) { - rds_tcp_restore_callbacks(rs_tcp->t_sock, rs_tcp); - conn->c_outgoing = 0; - } - rds_conn_transition(conn, RDS_CONN_DOWN, RDS_CONN_CONNECTING); + mutex_lock(&rs_tcp->t_conn_lock); + conn_state = rds_conn_state(conn); + if (conn_state != RDS_CONN_CONNECTING && conn_state != RDS_CONN_UP) + goto rst_nsk; + if (rs_tcp->t_sock) { + /* Need to resolve a duelling SYN between peers. + * We have an outstanding SYN to this peer, which may + * potentially have transitioned to the RDS_CONN_UP state, + * so we must quiesce any send threads before resetting + * c_transport_data. + */ + wait_event(conn->c_waitq, + !test_bit(RDS_IN_XMIT, &conn->c_flags)); + if (ntohl(inet->inet_saddr) < ntohl(inet->inet_daddr)) { + goto rst_nsk; + } else if (rs_tcp->t_sock) { + rds_tcp_restore_callbacks(rs_tcp->t_sock, rs_tcp); + conn->c_outgoing = 0; + } + } rds_tcp_set_callbacks(new_sock, conn); - rds_connect_complete(conn); + rds_connect_complete(conn); /* marks RDS_CONN_UP */ + new_sock = NULL; + ret = 0; + goto out; +rst_nsk: + /* reset the newly returned accept sock and bail */ + nsk = new_sock->sk; + rds_tcp_stats_inc(s_tcp_listen_closed_stale); + nsk->sk_user_data = NULL; + nsk->sk_prot->disconnect(nsk, 0); + tcp_done(nsk); new_sock = NULL; ret = 0; - out: + if (rs_tcp) + mutex_unlock(&rs_tcp->t_conn_lock); if (new_sock) sock_release(new_sock); return ret; diff --git a/net/sched/sch_netem.c b/net/sched/sch_netem.c index 9640bb39a5d2..4befe97a9034 100644 --- a/net/sched/sch_netem.c +++ b/net/sched/sch_netem.c @@ -395,6 +395,25 @@ static void tfifo_enqueue(struct sk_buff *nskb, struct Qdisc *sch) sch->q.qlen++; } +/* netem can't properly corrupt a megapacket (like we get from GSO), so instead + * when we statistically choose to corrupt one, we instead segment it, returning + * the first packet to be corrupted, and re-enqueue the remaining frames + */ +static struct sk_buff *netem_segment(struct sk_buff *skb, struct Qdisc *sch) +{ + struct sk_buff *segs; + netdev_features_t features = netif_skb_features(skb); + + segs = skb_gso_segment(skb, features & ~NETIF_F_GSO_MASK); + + if (IS_ERR_OR_NULL(segs)) { + qdisc_reshape_fail(skb, sch); + return NULL; + } + consume_skb(skb); + return segs; +} + /* * Insert one skb into qdisc. * Note: parent depends on return value to account for queue length. @@ -407,7 +426,11 @@ static int netem_enqueue(struct sk_buff *skb, struct Qdisc *sch) /* We don't fill cb now as skb_unshare() may invalidate it */ struct netem_skb_cb *cb; struct sk_buff *skb2; + struct sk_buff *segs = NULL; + unsigned int len = 0, last_len, prev_len = qdisc_pkt_len(skb); + int nb = 0; int count = 1; + int rc = NET_XMIT_SUCCESS; /* Random duplication */ if (q->duplicate && q->duplicate >= get_crandom(&q->dup_cor)) @@ -453,10 +476,23 @@ static int netem_enqueue(struct sk_buff *skb, struct Qdisc *sch) * do it now in software before we mangle it. */ if (q->corrupt && q->corrupt >= get_crandom(&q->corrupt_cor)) { + if (skb_is_gso(skb)) { + segs = netem_segment(skb, sch); + if (!segs) + return NET_XMIT_DROP; + } else { + segs = skb; + } + + skb = segs; + segs = segs->next; + if (!(skb = skb_unshare(skb, GFP_ATOMIC)) || (skb->ip_summed == CHECKSUM_PARTIAL && - skb_checksum_help(skb))) - return qdisc_drop(skb, sch); + skb_checksum_help(skb))) { + rc = qdisc_drop(skb, sch); + goto finish_segs; + } skb->data[prandom_u32() % skb_headlen(skb)] ^= 1<<(prandom_u32() % 8); @@ -516,6 +552,27 @@ static int netem_enqueue(struct sk_buff *skb, struct Qdisc *sch) sch->qstats.requeues++; } +finish_segs: + if (segs) { + while (segs) { + skb2 = segs->next; + segs->next = NULL; + qdisc_skb_cb(segs)->pkt_len = segs->len; + last_len = segs->len; + rc = qdisc_enqueue(segs, sch); + if (rc != NET_XMIT_SUCCESS) { + if (net_xmit_drop_count(rc)) + qdisc_qstats_drop(sch); + } else { + nb++; + len += last_len; + } + segs = skb2; + } + sch->q.qlen += nb; + if (nb > 1) + qdisc_tree_reduce_backlog(sch, 1 - nb, prev_len - len); + } return NET_XMIT_SUCCESS; } diff --git a/net/tipc/node.c b/net/tipc/node.c index ace178fd3850..9aaa1bc566ae 100644 --- a/net/tipc/node.c +++ b/net/tipc/node.c @@ -1444,6 +1444,7 @@ void tipc_rcv(struct net *net, struct sk_buff *skb, struct tipc_bearer *b) int bearer_id = b->identity; struct tipc_link_entry *le; u16 bc_ack = msg_bcast_ack(hdr); + u32 self = tipc_own_addr(net); int rc = 0; __skb_queue_head_init(&xmitq); @@ -1460,6 +1461,10 @@ void tipc_rcv(struct net *net, struct sk_buff *skb, struct tipc_bearer *b) return tipc_node_bc_rcv(net, skb, bearer_id); } + /* Discard unicast link messages destined for another node */ + if (unlikely(!msg_short(hdr) && (msg_destnode(hdr) != self))) + goto discard; + /* Locate neighboring node that sent packet */ n = tipc_node_find(net, msg_prevnode(hdr)); if (unlikely(!n)) diff --git a/samples/bpf/trace_output_kern.c b/samples/bpf/trace_output_kern.c index 8d8d1ec429eb..9b96f4fb8cea 100644 --- a/samples/bpf/trace_output_kern.c +++ b/samples/bpf/trace_output_kern.c @@ -18,7 +18,6 @@ int bpf_prog1(struct pt_regs *ctx) u64 cookie; } data; - memset(&data, 0, sizeof(data)); data.pid = bpf_get_current_pid_tgid(); data.cookie = 0x12345678; diff --git a/scripts/mod/file2alias.c b/scripts/mod/file2alias.c index 161dd0d67da8..a9155077feef 100644 --- a/scripts/mod/file2alias.c +++ b/scripts/mod/file2alias.c @@ -371,6 +371,49 @@ static void do_usb_table(void *symval, unsigned long size, do_usb_entry_multi(symval + i, mod); } +static void do_of_entry_multi(void *symval, struct module *mod) +{ + char alias[500]; + int len; + char *tmp; + + DEF_FIELD_ADDR(symval, of_device_id, name); + DEF_FIELD_ADDR(symval, of_device_id, type); + DEF_FIELD_ADDR(symval, of_device_id, compatible); + + len = sprintf(alias, "of:N%sT%s", (*name)[0] ? *name : "*", + (*type)[0] ? *type : "*"); + + if (compatible[0]) + sprintf(&alias[len], "%sC%s", (*type)[0] ? "*" : "", + *compatible); + + /* Replace all whitespace with underscores */ + for (tmp = alias; tmp && *tmp; tmp++) + if (isspace(*tmp)) + *tmp = '_'; + + buf_printf(&mod->dev_table_buf, "MODULE_ALIAS(\"%s\");\n", alias); + strcat(alias, "C"); + add_wildcard(alias); + buf_printf(&mod->dev_table_buf, "MODULE_ALIAS(\"%s\");\n", alias); +} + +static void do_of_table(void *symval, unsigned long size, + struct module *mod) +{ + unsigned int i; + const unsigned long id_size = SIZE_of_device_id; + + device_id_check(mod->name, "of", size, id_size, symval); + + /* Leave last one: it's the terminator. */ + size -= id_size; + + for (i = 0; i < size; i += id_size) + do_of_entry_multi(symval + i, mod); +} + /* Looks like: hid:bNvNpN */ static int do_hid_entry(const char *filename, void *symval, char *alias) @@ -684,30 +727,6 @@ static int do_pcmcia_entry(const char *filename, } ADD_TO_DEVTABLE("pcmcia", pcmcia_device_id, do_pcmcia_entry); -static int do_of_entry (const char *filename, void *symval, char *alias) -{ - int len; - char *tmp; - DEF_FIELD_ADDR(symval, of_device_id, name); - DEF_FIELD_ADDR(symval, of_device_id, type); - DEF_FIELD_ADDR(symval, of_device_id, compatible); - - len = sprintf(alias, "of:N%sT%s", (*name)[0] ? *name : "*", - (*type)[0] ? *type : "*"); - - if (compatible[0]) - sprintf(&alias[len], "%sC%s", (*type)[0] ? "*" : "", - *compatible); - - /* Replace all whitespace with underscores */ - for (tmp = alias; tmp && *tmp; tmp++) - if (isspace (*tmp)) - *tmp = '_'; - - return 1; -} -ADD_TO_DEVTABLE("of", of_device_id, do_of_entry); - static int do_vio_entry(const char *filename, void *symval, char *alias) { @@ -1348,6 +1367,8 @@ void handle_moddevtable(struct module *mod, struct elf_info *info, /* First handle the "special" cases */ if (sym_is(name, namelen, "usb")) do_usb_table(symval, sym->st_size, mod); + if (sym_is(name, namelen, "of")) + do_of_table(symval, sym->st_size, mod); else if (sym_is(name, namelen, "pnp")) do_pnp_device_entry(symval, sym->st_size, mod); else if (sym_is(name, namelen, "pnp_card")) diff --git a/security/integrity/ima/ima_policy.c b/security/integrity/ima/ima_policy.c index be09e2cacf82..3cd0a58672dd 100644 --- a/security/integrity/ima/ima_policy.c +++ b/security/integrity/ima/ima_policy.c @@ -884,10 +884,10 @@ static char *func_tokens[] = { "BPRM_CHECK", "MODULE_CHECK", "FIRMWARE_CHECK", + "POST_SETATTR", "KEXEC_KERNEL_CHECK", "KEXEC_INITRAMFS_CHECK", - "POLICY_CHECK", - "POST_SETATTR" + "POLICY_CHECK" }; void *ima_policy_start(struct seq_file *m, loff_t *pos) diff --git a/tools/power/acpi/os_specific/service_layers/oslinuxtbl.c b/tools/power/acpi/os_specific/service_layers/oslinuxtbl.c index d0e6b857d8d1..546cf4a503b7 100644 --- a/tools/power/acpi/os_specific/service_layers/oslinuxtbl.c +++ b/tools/power/acpi/os_specific/service_layers/oslinuxtbl.c @@ -91,7 +91,7 @@ osl_get_customized_table(char *pathname, char *signature, u32 instance, struct acpi_table_header **table, - acpi_physical_address * address); + acpi_physical_address *address); static acpi_status osl_list_bios_tables(void); @@ -99,7 +99,7 @@ static acpi_status osl_get_bios_table(char *signature, u32 instance, struct acpi_table_header **table, - acpi_physical_address * address); + acpi_physical_address *address); static acpi_status osl_get_last_status(acpi_status default_status); @@ -187,7 +187,7 @@ static acpi_status osl_get_last_status(acpi_status default_status) acpi_status acpi_os_get_table_by_address(acpi_physical_address address, - struct acpi_table_header ** table) + struct acpi_table_header **table) { u32 table_length; struct acpi_table_header *mapped_table; @@ -252,8 +252,8 @@ exit: acpi_status acpi_os_get_table_by_name(char *signature, u32 instance, - struct acpi_table_header ** table, - acpi_physical_address * address) + struct acpi_table_header **table, + acpi_physical_address *address) { acpi_status status; @@ -380,8 +380,8 @@ static acpi_status osl_add_table_to_list(char *signature, u32 instance) acpi_status acpi_os_get_table_by_index(u32 index, - struct acpi_table_header ** table, - u32 *instance, acpi_physical_address * address) + struct acpi_table_header **table, + u32 *instance, acpi_physical_address *address) { struct osl_table_info *info; acpi_status status; @@ -447,7 +447,7 @@ osl_find_rsdp_via_efi_by_keyword(FILE * file, const char *keyword) } } - return ((acpi_physical_address) (address)); + return ((acpi_physical_address)(address)); } /****************************************************************************** @@ -751,10 +751,10 @@ static acpi_status osl_list_bios_tables(void) for (i = 0; i < number_of_tables; ++i, table_data += item_size) { if (osl_can_use_xsdt()) { table_address = - (acpi_physical_address) (*ACPI_CAST64(table_data)); + (acpi_physical_address)(*ACPI_CAST64(table_data)); } else { table_address = - (acpi_physical_address) (*ACPI_CAST32(table_data)); + (acpi_physical_address)(*ACPI_CAST32(table_data)); } /* Skip NULL entries in RSDT/XSDT */ @@ -800,7 +800,7 @@ static acpi_status osl_get_bios_table(char *signature, u32 instance, struct acpi_table_header **table, - acpi_physical_address * address) + acpi_physical_address *address) { struct acpi_table_header *local_table = NULL; struct acpi_table_header *mapped_table = NULL; @@ -833,38 +833,37 @@ osl_get_bios_table(char *signature, if ((gbl_fadt->header.length >= MIN_FADT_FOR_XDSDT) && gbl_fadt->Xdsdt) { table_address = - (acpi_physical_address) gbl_fadt->Xdsdt; + (acpi_physical_address)gbl_fadt->Xdsdt; } else if ((gbl_fadt->header.length >= MIN_FADT_FOR_DSDT) && gbl_fadt->dsdt) { table_address = - (acpi_physical_address) gbl_fadt->dsdt; + (acpi_physical_address)gbl_fadt->dsdt; } } else if (ACPI_COMPARE_NAME(signature, ACPI_SIG_FACS)) { if ((gbl_fadt->header.length >= MIN_FADT_FOR_XFACS) && gbl_fadt->Xfacs) { table_address = - (acpi_physical_address) gbl_fadt->Xfacs; + (acpi_physical_address)gbl_fadt->Xfacs; } else if ((gbl_fadt->header.length >= MIN_FADT_FOR_FACS) && gbl_fadt->facs) { table_address = - (acpi_physical_address) gbl_fadt->facs; + (acpi_physical_address)gbl_fadt->facs; } } else if (ACPI_COMPARE_NAME(signature, ACPI_SIG_XSDT)) { if (!gbl_revision) { return (AE_BAD_SIGNATURE); } table_address = - (acpi_physical_address) gbl_rsdp. + (acpi_physical_address)gbl_rsdp. xsdt_physical_address; } else if (ACPI_COMPARE_NAME(signature, ACPI_SIG_RSDT)) { table_address = - (acpi_physical_address) gbl_rsdp. + (acpi_physical_address)gbl_rsdp. rsdt_physical_address; } else { - table_address = - (acpi_physical_address) gbl_rsdp_address; + table_address = (acpi_physical_address)gbl_rsdp_address; signature = ACPI_SIG_RSDP; } @@ -904,12 +903,12 @@ osl_get_bios_table(char *signature, for (i = 0; i < number_of_tables; ++i, table_data += item_size) { if (osl_can_use_xsdt()) { table_address = - (acpi_physical_address) (*ACPI_CAST64 - (table_data)); + (acpi_physical_address)(*ACPI_CAST64 + (table_data)); } else { table_address = - (acpi_physical_address) (*ACPI_CAST32 - (table_data)); + (acpi_physical_address)(*ACPI_CAST32 + (table_data)); } /* Skip NULL entries in RSDT/XSDT */ @@ -1301,7 +1300,7 @@ osl_get_customized_table(char *pathname, char *signature, u32 instance, struct acpi_table_header **table, - acpi_physical_address * address) + acpi_physical_address *address) { void *table_dir; u32 current_instance = 0; diff --git a/tools/power/acpi/os_specific/service_layers/osunixmap.c b/tools/power/acpi/os_specific/service_layers/osunixmap.c index 3818fd07e50f..cbfbce18783d 100644 --- a/tools/power/acpi/os_specific/service_layers/osunixmap.c +++ b/tools/power/acpi/os_specific/service_layers/osunixmap.c @@ -54,7 +54,7 @@ ACPI_MODULE_NAME("osunixmap") #ifndef O_BINARY #define O_BINARY 0 #endif -#if defined(_dragon_fly) || defined(_free_BSD) +#if defined(_dragon_fly) || defined(_free_BSD) || defined(_QNX) #define MMAP_FLAGS MAP_SHARED #else #define MMAP_FLAGS MAP_PRIVATE diff --git a/tools/power/acpi/os_specific/service_layers/osunixxf.c b/tools/power/acpi/os_specific/service_layers/osunixxf.c index 08cb8b2035f2..88aa66ef4ad5 100644 --- a/tools/power/acpi/os_specific/service_layers/osunixxf.c +++ b/tools/power/acpi/os_specific/service_layers/osunixxf.c @@ -246,8 +246,8 @@ acpi_physical_address acpi_os_get_root_pointer(void) *****************************************************************************/ acpi_status -acpi_os_predefined_override(const struct acpi_predefined_names * init_val, - acpi_string * new_val) +acpi_os_predefined_override(const struct acpi_predefined_names *init_val, + acpi_string *new_val) { if (!init_val || !new_val) { @@ -274,8 +274,8 @@ acpi_os_predefined_override(const struct acpi_predefined_names * init_val, *****************************************************************************/ acpi_status -acpi_os_table_override(struct acpi_table_header * existing_table, - struct acpi_table_header ** new_table) +acpi_os_table_override(struct acpi_table_header *existing_table, + struct acpi_table_header **new_table) { if (!existing_table || !new_table) { @@ -311,8 +311,8 @@ acpi_os_table_override(struct acpi_table_header * existing_table, *****************************************************************************/ acpi_status -acpi_os_physical_table_override(struct acpi_table_header * existing_table, - acpi_physical_address * new_address, +acpi_os_physical_table_override(struct acpi_table_header *existing_table, + acpi_physical_address *new_address, u32 *new_table_length) { @@ -506,7 +506,7 @@ acpi_status acpi_os_get_line(char *buffer, u32 buffer_length, u32 *bytes_read) void *acpi_os_map_memory(acpi_physical_address where, acpi_size length) { - return (ACPI_TO_POINTER((acpi_size) where)); + return (ACPI_TO_POINTER((acpi_size)where)); } /****************************************************************************** @@ -603,9 +603,9 @@ void acpi_os_free(void *mem) acpi_status acpi_os_create_semaphore(u32 max_units, - u32 initial_units, acpi_handle * out_handle) + u32 initial_units, acpi_handle *out_handle) { - *out_handle = (acpi_handle) 1; + *out_handle = (acpi_handle)1; return (AE_OK); } @@ -640,7 +640,7 @@ acpi_status acpi_os_signal_semaphore(acpi_handle handle, u32 units) acpi_status acpi_os_create_semaphore(u32 max_units, - u32 initial_units, acpi_handle * out_handle) + u32 initial_units, acpi_handle *out_handle) { sem_t *sem; @@ -672,7 +672,7 @@ acpi_os_create_semaphore(u32 max_units, } #endif - *out_handle = (acpi_handle) sem; + *out_handle = (acpi_handle)sem; return (AE_OK); } @@ -1035,7 +1035,7 @@ acpi_os_read_pci_configuration(struct acpi_pci_id *pci_id, *****************************************************************************/ acpi_status -acpi_os_write_pci_configuration(struct acpi_pci_id * pci_id, +acpi_os_write_pci_configuration(struct acpi_pci_id *pci_id, u32 pci_register, u64 value, u32 width) { diff --git a/tools/power/acpi/tools/acpidump/Makefile b/tools/power/acpi/tools/acpidump/Makefile index 8d761576e91b..2942cdced2ad 100644 --- a/tools/power/acpi/tools/acpidump/Makefile +++ b/tools/power/acpi/tools/acpidump/Makefile @@ -31,6 +31,7 @@ TOOL_OBJS = \ osunixxf.o\ tbprint.o\ tbxfroot.o\ + utascii.o\ utbuffer.o\ utdebug.o\ utexcep.o\ diff --git a/tools/power/acpi/tools/acpidump/apdump.c b/tools/power/acpi/tools/acpidump/apdump.c index da44458d3b6c..fb8f1d9e3b1b 100644 --- a/tools/power/acpi/tools/acpidump/apdump.c +++ b/tools/power/acpi/tools/acpidump/apdump.c @@ -68,7 +68,7 @@ u8 ap_is_valid_header(struct acpi_table_header *table) /* Make sure signature is all ASCII and a valid ACPI name */ - if (!acpi_ut_valid_acpi_name(table->signature)) { + if (!acpi_ut_valid_nameseg(table->signature)) { acpi_log_error("Table signature (0x%8.8X) is invalid\n", *(u32 *)table->signature); return (FALSE); @@ -286,14 +286,15 @@ int ap_dump_table_by_address(char *ascii_address) /* Convert argument to an integer physical address */ - status = acpi_ut_strtoul64(ascii_address, 0, &long_address); + status = acpi_ut_strtoul64(ascii_address, ACPI_ANY_BASE, + ACPI_MAX64_BYTE_WIDTH, &long_address); if (ACPI_FAILURE(status)) { acpi_log_error("%s: Could not convert to a physical address\n", ascii_address); return (-1); } - address = (acpi_physical_address) long_address; + address = (acpi_physical_address)long_address; status = acpi_os_get_table_by_address(address, &table); if (ACPI_FAILURE(status)) { acpi_log_error("Could not get table at 0x%8.8X%8.8X, %s\n", @@ -406,6 +407,12 @@ int ap_dump_table_from_file(char *pathname) return (-1); } + if (!acpi_ut_valid_nameseg(table->signature)) { + acpi_log_error + ("No valid ACPI signature was found in input file %s\n", + pathname); + } + /* File must be at least as long as the table length */ if (table->length > file_size) { diff --git a/tools/power/acpi/tools/acpidump/apmain.c b/tools/power/acpi/tools/acpidump/apmain.c index c3c09152fac6..7692e6b887e1 100644 --- a/tools/power/acpi/tools/acpidump/apmain.c +++ b/tools/power/acpi/tools/acpidump/apmain.c @@ -209,7 +209,8 @@ static int ap_do_options(int argc, char **argv) case 'r': /* Dump tables from specified RSDP */ status = - acpi_ut_strtoul64(acpi_gbl_optarg, 0, + acpi_ut_strtoul64(acpi_gbl_optarg, ACPI_ANY_BASE, + ACPI_MAX64_BYTE_WIDTH, &gbl_rsdp_base); if (ACPI_FAILURE(status)) { acpi_log_error |