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* virtio-bus: have callers tolerate new host notifier apiCornelia Huck2016-06-243-12/+42
| | | | | | | | | | | Have vhost and dataplane use the new api for transports that have been converted. Signed-off-by: Cornelia Huck <cornelia.huck@de.ibm.com> Reviewed-by: Fam Zheng <famz@redhat.com> Reviewed-by: Stefan Hajnoczi <stefanha@redhat.com> Reviewed-by: Michael S. Tsirkin <mst@redhat.com> Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
* virtio-bus: common ioeventfd infrastructureCornelia Huck2016-06-242-0/+162
| | | | | | | | | | | | | | | | | | | | | Introduce a set of ioeventfd callbacks on the virtio-bus level that can be implemented by the individual transports. At the virtio-bus level, do common handling for host notifiers (which is actually most of it). Two things of note: - When setting the host notifier, we only switch from/to the generic ioeventfd handler. This fixes a latent bug where we had no ioeventfd assigned for a certain window. - We always iterate over all possible virtio queues, even though ccw (currently) has a lower limit. It does not really matter here. Signed-off-by: Cornelia Huck <cornelia.huck@de.ibm.com> Reviewed-by: Fam Zheng <famz@redhat.com> Reviewed-by: Stefan Hajnoczi <stefanha@redhat.com> Reviewed-by: Michael S. Tsirkin <mst@redhat.com> Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
* pc: acpi: drop intermediate PCMachineState.node_cpuIgor Mammedov2016-06-243-19/+9Star
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | PCMachineState.node_cpu was used for mapping APIC ID to numa node id as CPU entries in SRAT used to be built on sparse APIC ID bitmap (up to apic_id_limit). However since commit 5803fce pc: acpi: SRAT: create only valid processor lapic entries CPU entries in SRAT aren't build using apic bitmap but using 0..maxcpus index instead which is also used for creating numa_info[x].node_cpu map. So instead of doing useless intermediate conversion from 1. node by cpu index -> node by apic id i.e. numa_info[x].node_cpu -> PCMachineState.node_cpu 2. apic id -> srat entry PMX PCMachineState.node_cpu[apic id] -> PMX value use numa_info[x].node_cpu map directly like ARM does and do 1. numa_info[x].node_cpu -> PMX value using index in range 0..maxcpus and drop not necessary PCMachineState.node_cpu and related code. That also removes the last (not counting legacy hotplug) dependency of ACPI code on apic_id_limit and need to allocate huge sparse PCMachineState.node_cpu array in case of 32-bit APIC IDs. Signed-off-by: Igor Mammedov <imammedo@redhat.com> Reviewed-by: Michael S. Tsirkin <mst@redhat.com> Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
* acpi-test-data: update expectedMichael S. Tsirkin2016-06-246-0/+0
| | | | | | switched to new cpu hotplug interface, aml changed. Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
* pc: use new CPU hotplug interface since 2.7 machine typeIgor Mammedov2016-06-2410-2/+118
| | | | | | | | | | | | | | | | | | For compatibility reasons PC/Q35 will start with legacy CPU hotplug interface by default but with new CPU hotplug AML code since 2.7 machine type. That way legacy firmware that doesn't use QEMU generated ACPI tables will be able to continue using legacy CPU hotplug interface. While new machine type, with firmware supporting QEMU provided ACPI tables, will generate new CPU hotplug AML, which will switch to new CPU hotplug interface when guest OS executes its _INI method on ACPI tables loading. Signed-off-by: Igor Mammedov <imammedo@redhat.com> Reviewed-by: Michael S. Tsirkin <mst@redhat.com> Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
* acpi: cpuhp: add cpu._OST handlingIgor Mammedov2016-06-246-1/+96
| | | | | | | | | | | | it adds HW and AML parts for CPU_Device._OST method handling to allow OSPM reports status of hot-(un)plug operation. And extends QMP command query-acpi-ospm-status to report CPU's OST info along with already reported PC-DIMM devices. Signed-off-by: Igor Mammedov <imammedo@redhat.com> Reviewed-by: Michael S. Tsirkin <mst@redhat.com> Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
* acpi: cpuhp: implement hot-remove parts of CPU hotplug interfaceIgor Mammedov2016-06-246-5/+158
| | | | | | | | | | it adds hw registers needed for handling CPU hot-remove and corresponding AML methods to request and eject a CPU with necessary hotplug callbacks in pc,piix4,ich9 code. Signed-off-by: Igor Mammedov <imammedo@redhat.com> Reviewed-by: Michael S. Tsirkin <mst@redhat.com> Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
* acpi: cpuhp: implement hot-add parts of CPU hotplug interfaceIgor Mammedov2016-06-243-2/+157
| | | | | | | | | | it adds hw registers needed for handling CPU hot-add and corresponding AML methods to handle hot-add events on guest side. Signed-off-by: Igor Mammedov <imammedo@redhat.com> Reviewed-by: Michael S. Tsirkin <mst@redhat.com> Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
* pc: acpi: introduce AcpiDeviceIfClass.madt_cpu hookIgor Mammedov2016-06-247-18/+49
| | | | | | | | | | | | | | Add madt_cpu callback to AcpiDeviceIfClass and use it for generating LAPIC MADT entries for CPUs. Later it will be used for generating x2APIC entries in case of more than 255 CPUs and also would be reused by ARM target when ACPI CPU hotplug is introduced there. Signed-off-by: Igor Mammedov <imammedo@redhat.com> Reviewed-by: Michael S. Tsirkin <mst@redhat.com> Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
* acpi: cpuhp: add CPU devices AML with _STA methodIgor Mammedov2016-06-247-6/+313
| | | | | | | | | | | | | | it adds CPU objects to DSDT with _STA method and QEMU side of CPU hotplug interface initialization with registers sufficient to handle _STA requests, including necessary hotplug callbacks in piix4,ich9 code. Hot-(un)plug hw/acpi parts will be added by corresponding follow up patches. Signed-off-by: Igor Mammedov <imammedo@redhat.com> Reviewed-by: Michael S. Tsirkin <mst@redhat.com> Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
* pc: piix4/ich9: add 'cpu-hotplug-legacy' propertyIgor Mammedov2016-06-243-2/+46
| | | | | | | | | It will be used to select which hotplug call-back is called and for switching from legacy mode into new one. Signed-off-by: Igor Mammedov <imammedo@redhat.com> Reviewed-by: Michael S. Tsirkin <mst@redhat.com> Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
* docs: update ACPI CPU hotplug spec with new protocolIgor Mammedov2016-06-241-12/+82
| | | | | | | | | | | | | | | | | | | | Add description of new CPU hotplug interface. To switch from from legacy mode into new mode use fact that write accesses into CPU present bitmap were never used before and were ignored by QEMU. So use it to as a way to switch from legacy mode. That way pc/q35 machine starts in legacy mode and QEMU generated ACPI tables will switch to new CPU hotplug interface during runtime. In case QEMU is started with legacy BIOS (that doesn't support QEMU generated ACPI tables), legacy CPU hotplug will remain active and could be used by BIOS built in ACPI tables for CPU hotplug. Signed-off-by: Igor Mammedov <imammedo@redhat.com> Reviewed-by: Michael S. Tsirkin <mst@redhat.com> Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
* i386: pci-assign: Fix MSI-X table sizeIdo Yariv2016-06-241-7/+7
| | | | | | | | | | | | | | | | The current code creates a whole page mmio region for the MSI-X table size. However, the page containing the MSI-X table may contain other registers not related to MSI-X. Creating an mmio region for the whole page masks such registers and may break drivers in the guest OS. Since maximal number of entries is known, use that instead to deduce the table size when setting up the mmio region. Signed-off-by: Ido Yariv <ido@wizery.com> Reviewed-by: Michael S. Tsirkin <mst@redhat.com> Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
* docs: add NVDIMM ACPI documentationXiao Guangrong2016-06-241-0/+132
| | | | | | | | | | It describes the basic concepts of NVDIMM ACPI and the interfaces between QEMU and the ACPI BIOS Signed-off-by: Xiao Guangrong <guangrong.xiao@linux.intel.com> Reviewed-by: Stefan Hajnoczi <stefanha@redhat.com> Reviewed-by: Michael S. Tsirkin <mst@redhat.com> Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
* nvdimm acpi: support Set Namespace Label Data functionXiao Guangrong2016-06-241-1/+43
| | | | | | | | | | Function 6 is used to set Namespace Label Data Reviewed-by: Stefan Hajnoczi <stefanha@redhat.com> Signed-off-by: Xiao Guangrong <guangrong.xiao@linux.intel.com> Reviewed-by: Stefan Hajnoczi <stefanha@redhat.com> Reviewed-by: Michael S. Tsirkin <mst@redhat.com> Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
* nvdimm acpi: support Get Namespace Label Data functionXiao Guangrong2016-06-241-1/+82
| | | | | | | | | | Function 5 is used to get Namespace Label Data Reviewed-by: Stefan Hajnoczi <stefanha@redhat.com> Signed-off-by: Xiao Guangrong <guangrong.xiao@linux.intel.com> Reviewed-by: Stefan Hajnoczi <stefanha@redhat.com> Reviewed-by: Michael S. Tsirkin <mst@redhat.com> Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
* nvdimm acpi: support Get Namespace Label Size functionXiao Guangrong2016-06-241-3/+127
| | | | | | | | | | Function 4 is used to get Namespace label size Reviewed-by: Stefan Hajnoczi <stefanha@redhat.com> Signed-off-by: Xiao Guangrong <guangrong.xiao@linux.intel.com> Reviewed-by: Stefan Hajnoczi <stefanha@redhat.com> Reviewed-by: Michael S. Tsirkin <mst@redhat.com> Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
* nvdimm acpi: check revisionXiao Guangrong2016-06-241-0/+7
| | | | | | | | | Currently only revision 1 is supported Signed-off-by: Xiao Guangrong <guangrong.xiao@linux.intel.com> Reviewed-by: Stefan Hajnoczi <stefanha@redhat.com> Reviewed-by: Michael S. Tsirkin <mst@redhat.com> Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
* nvdimm acpi: abstract the operations for root & nvdimm devicesXiao Guangrong2016-06-241-18/+56
| | | | | | | | | | It separates the operations between root device and nvdimm devices in order to introducing label functions support for nvdimm device Signed-off-by: Xiao Guangrong <guangrong.xiao@linux.intel.com> Reviewed-by: Stefan Hajnoczi <stefanha@redhat.com> Reviewed-by: Michael S. Tsirkin <mst@redhat.com> Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
* nvdimm acpi: check UUIDXiao Guangrong2016-06-241-6/+26
| | | | | | | | | Check arg0 which indicates UUID to see if it is valid Signed-off-by: Xiao Guangrong <guangrong.xiao@linux.intel.com> Reviewed-by: Stefan Hajnoczi <stefanha@redhat.com> Reviewed-by: Michael S. Tsirkin <mst@redhat.com> Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
* nvdimm acpi: save arg3 of _DSM methodXiao Guangrong2016-06-241-0/+20
| | | | | | | | | | Check if the input Arg3 is valid then store it into ARG3 if it is needed Signed-off-by: Xiao Guangrong <guangrong.xiao@linux.intel.com> Reviewed-by: Stefan Hajnoczi <stefanha@redhat.com> Reviewed-by: Michael S. Tsirkin <mst@redhat.com> Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
* nvdimm acpi: set HDLE properlyXiao Guangrong2016-06-241-10/+12
| | | | | | | | | | Now we pass HDLE to Qemu properly, use 0 for root device and use the handle for nvdimm devices Signed-off-by: Xiao Guangrong <guangrong.xiao@linux.intel.com> Reviewed-by: Stefan Hajnoczi <stefanha@redhat.com> Reviewed-by: Michael S. Tsirkin <mst@redhat.com> Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
* acpi: add aml_call5Xiao Guangrong2016-06-242-0/+16
| | | | | | | | | It will be used by NVDIMM ACPI Signed-off-by: Xiao Guangrong <guangrong.xiao@linux.intel.com> Reviewed-by: Stefan Hajnoczi <stefanha@redhat.com> Reviewed-by: Michael S. Tsirkin <mst@redhat.com> Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
* acpi: add aml_object_typeXiao Guangrong2016-06-242-0/+9
| | | | | | | | | | Implement ObjectType which is used by NVDIMM _DSM method in later patch Signed-off-by: Xiao Guangrong <guangrong.xiao@linux.intel.com> Reviewed-by: Stefan Hajnoczi <stefanha@redhat.com> Reviewed-by: Michael S. Tsirkin <mst@redhat.com> Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
* nvdimm: support nvdimm labelXiao Guangrong2016-06-242-1/+186
| | | | | | | | | | | | | | | Introduce a parameter, 'label-size', which is the size of nvdimm label data area which is reserved at the end of backend memory. It is required at least 128k Two callbacks, read_label_data() and write_label_data(), are used to operate the label area Reviewed-by: Stefan Hajnoczi <stefanha@redhat.com> Signed-off-by: Xiao Guangrong <guangrong.xiao@linux.intel.com> Reviewed-by: Stefan Hajnoczi <stefanha@redhat.com> Reviewed-by: Michael S. Tsirkin <mst@redhat.com> Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
* pc-dimm: introduce get_vmstate_memory_region callbackXiao Guangrong2016-06-242-3/+16
| | | | | | | | | | | | | | This callback returns the MemoryRegion that is the memory of dimm should be kept during live migration nvdimm device is different with pc-dimm as its memory includes not only the MemoryRegion directly mapping to guest's address space but also the memory used as label data Signed-off-by: Xiao Guangrong <guangrong.xiao@linux.intel.com> Reviewed-by: Stefan Hajnoczi <stefanha@redhat.com> Reviewed-by: Michael S. Tsirkin <mst@redhat.com> Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
* bios: Add tests for the IPMI ACPI and SMBIOS entriesCorey Minyard2016-06-243-4/+56
| | | | | | Signed-off-by: Corey Minyard <cminyard@mvista.com> Reviewed-by: Michael S. Tsirkin <mst@redhat.com> Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
* acpi: Add IPMI table entriesCorey Minyard2016-06-246-0/+155
| | | | | | | | | | | | | | | Use the ACPI table construction tools to create an ACPI entry for IPMI. This adds a function called build_acpi_ipmi_devices to add an DSDT entry for IPMI if IPMI is compiled in and an IPMI device exists. It also adds a dummy function if IPMI is not compiled in. This conforms to section "C3-2 Locating IPMI System Interfaces in ACPI Name Space" in the IPMI 2.0 specification. Signed-off-by: Corey Minyard <cminyard@mvista.com> Reviewed-by: Michael S. Tsirkin <mst@redhat.com> Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
* ipmi: Add SMBIOS table entryCorey Minyard2016-06-246-0/+150
| | | | | | | | Add an IPMI table entry to the SMBIOS. Signed-off-by: Corey Minyard <cminyard@mvista.com> Reviewed-by: Michael S. Tsirkin <mst@redhat.com> Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
* smbios: Move table build tools into an include file.Corey Minyard2016-06-242-64/+93
| | | | | | | | This will let things in other files (like IPMI) build SMBIOS tables. Signed-off-by: Corey Minyard <cminyard@mvista.com> Reviewed-by: Michael S. Tsirkin <mst@redhat.com> Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
* Merge remote-tracking branch 'remotes/dgibson/tags/ppc-for-2.7-20160623' ↵Peter Maydell2016-06-2316-612/+912
|\ | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | into staging ppc patch queue for 2016-06-23 Currently outstanding patches for spapr, target-ppc and related devices. This batch has: * Significant new progress towards full support for hypervisor mode * Assorted bugfixes * Some preliminary patches towards dynamic DMA window support The last involves a change to memory.c, which Paolo has said I can take through this tree. # gpg: Signature made Thu 23 Jun 2016 06:47:53 BST # gpg: using RSA key 0x6C38CACA20D9B392 # gpg: Good signature from "David Gibson <david@gibson.dropbear.id.au>" # gpg: aka "David Gibson (Red Hat) <dgibson@redhat.com>" # gpg: aka "David Gibson (ozlabs.org) <dgibson@ozlabs.org>" # gpg: WARNING: This key is not certified with sufficiently trusted signatures! # gpg: It is not certain that the signature belongs to the owner. # Primary key fingerprint: 75F4 6586 AE61 A66C C44E 87DC 6C38 CACA 20D9 B392 * remotes/dgibson/tags/ppc-for-2.7-20160623: ppc: Disable huge page support if it is not available for main RAM ppc: Add P7/P8 Power Management instructions ppc: Move exception generation code out of line ppc: Turn a bunch of booleans from int to bool ppc: Add real mode CI load/store instructions for P7 and P8 ppc: Rework generation of priv and inval interrupts ppc: Fix generation if ISI/DSI vs. HV mode ppc: Fix POWER7 and POWER8 exception definitions ppc: fix exception model for HV mode ppc: define a default LPCR value ppc: Fix rfi/rfid/hrfi/... emulation memory: Add reporting of supported page sizes ppc: Improve emulation of THRM registers target-ppc: Fix rlwimi, rlwinm, rlwnm again ppc64: disable gen_pause() for linux-user mode tests: Use '+=' to add additional tests, not '=' powerpc/mm: Update the WIMG check during H_ENTER Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
| * ppc: Disable huge page support if it is not available for main RAMThomas Huth2016-06-231-1/+16
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | On powerpc, we must only signal huge page support to the guest if all memory areas are capable of supporting huge pages. The commit 2d103aae8765 ("fix hugepage support when using memory-backend-file") already fixed the case when the user specified the mem-path property for NUMA memory nodes instead of using the global "-mem-path" option. However, there is one more case where it currently can go wrong. When specifying additional memory DIMMs without using NUMA, e.g. qemu-system-ppc64 -enable-kvm ... -m 1G,slots=2,maxmem=2G \ -device pc-dimm,id=dimm-mem1,memdev=mem1 -object \ memory-backend-file,policy=default,mem-path=/...,size=1G,id=mem1 the code in getrampagesize() currently assumes that huge pages are possible since they are enabled for the mem1 object. But since the main RAM is not backed by a huge page filesystem, the guest Linux kernel then crashes very quickly after being started. So in case the we've got "normal" memory without NUMA and without the global "-mem-path" option, we must not announce huge pages to the guest. Since this is likely a mis-configuration by the user, also spill out a message in this case. Signed-off-by: Thomas Huth <thuth@redhat.com> Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
| * ppc: Add P7/P8 Power Management instructionsBenjamin Herrenschmidt2016-06-236-3/+241
| | | | | | | | | | | | | | | | | | | | | | | | This adds the ISA 2.06 and later power management instructions (doze, nap, sleep and rvwinkle) and associated wakeup cause testing in LPCR Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org> [clg: fixed checkpatch.pl errors ] Signed-off-by: Cédric Le Goater <clg@kaod.org> Reviewed-by: David Gibson <david@gibson.dropbear.id.au> Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
| * ppc: Move exception generation code out of lineBenjamin Herrenschmidt2016-06-231-3/+3
| | | | | | | | | | | | | | | | | | | | | | There's no point inlining this, if you hit the exception case you exit anyway, and not inlining saves about 100K of code size (and cache footprint). Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org> [clg: removed '__attribute__((noinline))' from original patch ] Signed-off-by: Cédric Le Goater <clg@kaod.org> Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
| * ppc: Turn a bunch of booleans from int to boolBenjamin Herrenschmidt2016-06-231-19/+18Star
| | | | | | | | | | | | | | Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org> Reviewed-by: David Gibson <david@gibson.dropbear.id.au> Signed-off-by: Cédric Le Goater <clg@kaod.org> Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
| * ppc: Add real mode CI load/store instructions for P7 and P8Benjamin Herrenschmidt2016-06-233-14/+55
| | | | | | | | | | | | | | | | | | | | | | Those instructions are only available in hypervisor real mode and allow cache inhibited garded access to devices in that mode. Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org> [clg: fixed checkpatch.pl errors ] Signed-off-by: Cédric Le Goater <clg@kaod.org> Reviewed-by: David Gibson <david@gibson.dropbear.id.au> Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
| * ppc: Rework generation of priv and inval interruptsBenjamin Herrenschmidt2016-06-233-399/+311Star
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Recent server processors use the Hypervisor Emulation Assistance interrupt for illegal instructions and *some* type of SPR accesses. Also the code was always generating inval instructions even for priv violations due to setting the wrong flags Finally, the checking for PR/HV was open coded everywhere. This reworks it all, using little helper macros for checking, and adding the HV interrupt (which gets converted back to program check in the slow path of excp_helper.c on CPUs that don't want it). Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org> [clg: fixed checkpatch.pl errors ] Signed-off-by: Cédric Le Goater <clg@kaod.org> Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
| * ppc: Fix generation if ISI/DSI vs. HV modeBenjamin Herrenschmidt2016-06-231-19/+50
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Under some circumstances, we need to direct ISI and DSI interrupts at the hypervisor, turning them into HISI/HDSI, and using different SPRs (HDSISR and HDAR) depending on the combination of MSR_DR and the corresponding VPM bits in LPCR. This moves part of the code into helpers that are fixed to select the right exception type and registers. On pre-P7 processors, LPCR is 0 which provides the old behaviour of directing the interrupts at the supervisor. Thanks to Andrei Warkentin for finding a bug when HV=1 Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org> Reviewed-by: David Gibson <david@gibson.dropbear.id.au> [clg: Merged a fix on POWERPC_EXCP_HDSI fixing the condition on msr_hv, from Andrei Warkentin <andrey.warkentin@gmail.com> ] Signed-off-by: Cédric Le Goater <clg@kaod.org> Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
| * ppc: Fix POWER7 and POWER8 exception definitionsBenjamin Herrenschmidt2016-06-232-7/+31
| | | | | | | | | | | | | | | | | | | | We were initializing unused ones and missing some Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org> Reviewed-by: David Gibson <david@gibson.dropbear.id.au> [clg: fixed checkpatch.pl errors ] Signed-off-by: Cédric Le Goater <clg@kaod.org> Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
| * ppc: fix exception model for HV modeBenjamin Herrenschmidt2016-06-231-89/+45Star
| | | | | | | | | | | | | | | | | | | | | | | | | | | | This properly implements LPES0 handling for HV vs. !HV mode and removes the unsupported LPES1. This has been removed from the specs since ISA v2.07. Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org> [clg: AIL implementation was fixed in commit 5c94b2a5e5ef. This patch only contains the bits of the original patch related to LPES0 handling, adapted commit log. fixed checkpatch.pl errors. ] Signed-off-by: Cédric Le Goater <clg@kaod.org> Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
| * ppc: define a default LPCR valueBenjamin Herrenschmidt2016-06-231-0/+14
| | | | | | | | | | | | | | | | | | | | | | | | This allows us to set the appropriate LPCR bits which will be used when fixing the exception model for the HV mode. Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org> Reviewed-by: David Gibson <david@gibson.dropbear.id.au> [clg: previous commit 26a7f1291bb5 did not include the LPCR setting as it was not needed at the time, adapted commit log ] Signed-off-by: Cédric Le Goater <clg@kaod.org> Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
| * ppc: Fix rfi/rfid/hrfi/... emulationBenjamin Herrenschmidt2016-06-232-31/+24Star
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | This reworks emulation of the various "rfi" variants. I removed some masking bits that I couldn't make sense of, the only bit that I am aware we should mask here is POW, the CPU's MSR mask should take care of the rest. This also fixes some problems when running 32-bit userspace under a 64-bit kernel. This patch broke 32bit OpenBIOS when run under a 970 cpu. A fix was proposed here : https://www.coreboot.org/pipermail/openbios/2016-June/009452.html Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org> Reviewed-by: David Gibson <david@gibson.dropbear.id.au> [clg: updated the commit log with the reference of the openbios fix ] Signed-off-by: Cédric Le Goater <clg@kaod.org> [dwg: Remove hunk which disabled rfi on 64-bit CPUS. The change was correct, but we need to fix OpenBIOS before applying it] Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
| * memory: Add reporting of supported page sizesAlexey Kardashevskiy2016-06-224-15/+37
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Every IOMMU has some granularity which MemoryRegionIOMMUOps::translate uses when translating, however this information is not available outside the translate context for various checks. This adds a get_min_page_size callback to MemoryRegionIOMMUOps and a wrapper for it so IOMMU users (such as VFIO) can know the minimum actual page size supported by an IOMMU. As IOMMU MR represents a guest IOMMU, this uses TARGET_PAGE_SIZE as fallback. This removes vfio_container_granularity() and uses new helper in memory_region_iommu_replay() when replaying IOMMU mappings on added IOMMU memory region. Signed-off-by: Alexey Kardashevskiy <aik@ozlabs.ru> Reviewed-by: David Gibson <david@gibson.dropbear.id.au> Acked-by: Alex Williamson <alex.williamson@redhat.com> [dwg: Removed an unnecessary calculation] Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
| * ppc: Improve emulation of THRM registersBenjamin Herrenschmidt2016-06-223-3/+54
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | The 75x and 74xx processors have some thermal monitoring SPRs that some OSes such as MacOS do use. Our current "dumb" implementation isn't good enough and will cause some versions of MacOS to hang during boot. This lifts an improved emulation from MacOnLinux and adapts it to qemu, thus fixing the problem. Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org> [dwg: Fixed typo in comment, a number of minor checkpatch warnings, and a compile failure with CONFIG_USER_ONLY] Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
| * target-ppc: Fix rlwimi, rlwinm, rlwnm againRichard Henderson2016-06-221-3/+1Star
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | In 63ae0915f8ec, I arranged to use a 32-bit rotate, without considering the effect of a mask value that wraps around to the high bits of the word. [dwg: In 2e11b15 this was partially fixed, but an edge case was still incorrect, which this fixes] Signed-off-by: Richard Henderson <rth@twiddle.net> [dwg: Folded with a revert of 2e11b15, an earlier buggy version of this patch which already went upstream] Tested-by: Anton Blanchard <anton@samba.org> Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
| * ppc64: disable gen_pause() for linux-user modeLaurent Vivier2016-06-221-1/+3
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | While trying to install a fedora container with "lxc-create -t fedora -- -I qemu-ppc64" the installation abort with the following error: qemu: fatal: Unknown exception 0x65537. Aborting NIP 0000004000927924 LR 00000040009e325c CTR 0000004000927480 XER 0000000000000000 CPU#0 MSR 9000000102806000 HID0 0000000000000000 HF 9000000002806000 iidx 3 didx 3 TB 00248932 1069155773327487 GPR00 00000040009e325c 00000040007ff800 0000004000aba098 0000000000000000 GPR04 00000040007ff878 0000004000dcb588 0000004000dcb830 0000004000a7a098 GPR08 0000000000000000 0000000000000000 00000040007ff878 0000004000927960 GPR12 0000000022022448 0000004000e2aef0 0000000000000000 0000000000000000 GPR16 0000000000000000 0000000000000000 0000000000000002 0000000000000001 GPR20 0000000000000000 0000000000000000 0000000000000000 0000004000800699 GPR24 0000004000e13320 0000000000000000 0000004000ac9ad8 0000004000ac9ae0 GPR28 0000000000000001 00000000100210a0 0000000000000000 0000000000000038 CR 22022442 [ E E - E E G G E ] RES ffffffffffffffff FPR00 0000000000000000 0000000000000000 0000000000000000 0000000000000000 FPR04 0000000000000000 0000000000000000 0000000000000000 0000000000000000 FPR08 0000000000000000 0000000000000000 0000000000000000 0000000000000000 FPR12 0000000000000000 0000000000000000 0000000000000000 0000000000000000 FPR16 0000000000000000 0000000000000000 0000000000000000 0000000000000000 FPR20 0000000000000000 0000000000000000 0000000000000000 0000000000000000 FPR24 0000000000000000 0000000000000000 0000000000000000 0000000000000000 FPR28 0000000000000000 0000000000000000 0000000000000000 0000000000000000 FPSCR 0000000000000000 /usr/share/lxc/templates/lxc-fedora: line 487: 26661 Aborted (core dumped) chroot . yum -y --nogpgcheck --installroot /run/install install python rpm yum I've bisected until the commit: commit b68e60e6f0d2865e961a800fb8db96a7fc6494c4 Author: Benjamin Herrenschmidt <benh@kernel.crashing.org> Date: Tue May 3 18:03:33 2016 +0200 ppc: Get out of emulation on SMT "OR" ops Otherwise tight loops at smt_low for example, which OPAL does, eat so much CPU that we can't boot a kernel anymore. With that, I can boot 8 CPUs just fine with powernv. Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org> Reviewed-by: David Gibson <david@gibson.dropbear.id.au> Signed-off-by: David Gibson <david@gibson.dropbear.id.au> We can fix that by preventing to send EXCP_HLT in the case of linux-user mode, as the main loop doesn't know how to manage it. Signed-off-by: Laurent Vivier <laurent@vivier.eu> Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
| * tests: Use '+=' to add additional tests, not '='Thomas Huth2016-06-221-4/+4
| | | | | | | | | | | | | | | | | | | | The recent commit that added the prom-env-test accidentially overwrote the check-qtest-ppc-y, check-qtest-ppc64-y and check-qtest-sparc-y variables instead of extending them. Fixes: fcbf4a3c0c576eec1321f9cff4fa0dd8e0b1a82f Signed-off-by: Thomas Huth <thuth@redhat.com> Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
| * powerpc/mm: Update the WIMG check during H_ENTERAneesh Kumar K.V2016-06-221-1/+5
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Support for 0 value for memeory coherence is optional and with ppc64 we can always enable memory coherence. Linux kernel did that during the development of 4.7 kernel. But that resulted in failure in Qemu in H_ENTER hcall due to below check. The mentioned change was reverted in the kernel and kernel right now enable memory coherence only if cache inhibited is not set. Nevertheless update qemu WIMG flag check to cover the case where we enable memory coherence along with cache inhibited flag. In order to handle older and newer kernel version consider both Cache inhibitted and (cache inhibitted | memory conference) as valid values for wimg flags. Signed-off-by: Aneesh Kumar K.V <aneesh.kumar@linux.vnet.ibm.com> Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
* | Merge remote-tracking branch 'remotes/kraxel/tags/pull-usb-20160622-2' into ↵Peter Maydell2016-06-234-41/+60
|\ \ | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | staging usb: add hotplug support for usb-bot and usb-uas. # gpg: Signature made Wed 22 Jun 2016 12:45:46 BST # gpg: using RSA key 0x4CB6D8EED3E87138 # gpg: Good signature from "Gerd Hoffmann (work) <kraxel@redhat.com>" # gpg: aka "Gerd Hoffmann <gerd@kraxel.org>" # gpg: aka "Gerd Hoffmann (private) <kraxel@gmail.com>" # Primary key fingerprint: A032 8CFF B93A 17A7 9901 FE7D 4CB6 D8EE D3E8 7138 * remotes/kraxel/tags/pull-usb-20160622-2: usb-uas: hotplug support usb-bot: hotplug support usb: Add QOM property "attached". usb: make USBDevice->attached bool usb-storage: qcow2 encryption support is finally gone, zap dead code Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
| * | usb-uas: hotplug supportGerd Hoffmann2016-06-221-0/+5
| | | | | | | | | | | | | | | | | | | | | | | | | | | Make attached property settable and turns off auto-attach in case the device was hotplugged. Hotplugging works simliar to usb-bot now. Signed-off-by: Gerd Hoffmann <kraxel@redhat.com> Reviewed-by: Markus Armbruster <armbru@redhat.com> Message-id: 1465984019-28963-6-git-send-email-kraxel@redhat.com
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