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* scsi-generic: Fix HM-zoned device scanDmitry Fomichev2020-09-301-0/+1
| | | | | | | | | | | | | | | | | | | | | | Several important steps during device scan depend on SCSI type of the device. For example, max_transfer property is only determined and assigned if the device has the type of TYPE_DISK. Host-managed ZBC disks retain most of the properties of regular SCSI drives, but they have their own SCSI device type, 0x14. This prevents the proper assignment of max_transfer property for HM-zoned devices in scsi-generic driver leading to I/O errors if the maximum i/o size calculated at the guest exceeds the host value. To fix this, define TYPE_ZBC to have the standard value from SCSI ZBC standard spec. Several scan steps that were previously done only for TYPE_DISK devices, are now performed for the SCSI devices having TYPE_ZBC too. Reported-by: Johannes Thumshirn <johannes.thumshirn@wdc.com> Signed-off-by: Dmitry Fomichev <dmitry.fomichev@wdc.com> Message-Id: <20200811225122.17342-3-dmitry.fomichev@wdc.com> Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
* qom: Remove module_obj_name parameter from OBJECT_DECLARE* macrosEduardo Habkost2020-09-181-1/+1
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | One of the goals of having less boilerplate on QOM declarations is to avoid human error. Requiring an extra argument that is never used is an opportunity for mistakes. Remove the unused argument from OBJECT_DECLARE_TYPE and OBJECT_DECLARE_SIMPLE_TYPE. Coccinelle patch used to convert all users of the macros: @@ declarer name OBJECT_DECLARE_TYPE; identifier InstanceType, ClassType, lowercase, UPPERCASE; @@ OBJECT_DECLARE_TYPE(InstanceType, ClassType, - lowercase, UPPERCASE); @@ declarer name OBJECT_DECLARE_SIMPLE_TYPE; identifier InstanceType, lowercase, UPPERCASE; @@ OBJECT_DECLARE_SIMPLE_TYPE(InstanceType, - lowercase, UPPERCASE); Signed-off-by: Eduardo Habkost <ehabkost@redhat.com> Reviewed-by: Cédric Le Goater <clg@kaod.org> Acked-by: Cornelia Huck <cohuck@redhat.com> Acked-by: Igor Mammedov <imammedo@redhat.com> Acked-by: Paul Durrant <paul@xen.org> Acked-by: Thomas Huth <thuth@redhat.com> Message-Id: <20200916182519.415636-4-ehabkost@redhat.com> Signed-off-by: Eduardo Habkost <ehabkost@redhat.com>
* Use OBJECT_DECLARE_TYPE where possibleEduardo Habkost2020-09-091-4/+2Star
| | | | | | | | | | | | | | | | Replace DECLARE_OBJ_CHECKERS with OBJECT_DECLARE_TYPE where the typedefs can be safely removed. Generated running: $ ./scripts/codeconverter/converter.py -i \ --pattern=DeclareObjCheckers $(git grep -l '' -- '*.[ch]') Reviewed-by: Daniel P. Berrangé <berrange@redhat.com> Message-Id: <20200831210740.126168-16-ehabkost@redhat.com> Message-Id: <20200831210740.126168-17-ehabkost@redhat.com> Message-Id: <20200831210740.126168-18-ehabkost@redhat.com> Signed-off-by: Eduardo Habkost <ehabkost@redhat.com>
* Use DECLARE_*CHECKER* macrosEduardo Habkost2020-09-091-6/+2Star
| | | | | | | | | | | | | | | Generated using: $ ./scripts/codeconverter/converter.py -i \ --pattern=TypeCheckMacro $(git grep -l '' -- '*.[ch]') Reviewed-by: Daniel P. Berrangé <berrange@redhat.com> Reviewed-by: Juan Quintela <quintela@redhat.com> Message-Id: <20200831210740.126168-12-ehabkost@redhat.com> Reviewed-by: Juan Quintela <quintela@redhat.com> Message-Id: <20200831210740.126168-13-ehabkost@redhat.com> Message-Id: <20200831210740.126168-14-ehabkost@redhat.com> Signed-off-by: Eduardo Habkost <ehabkost@redhat.com>
* Move QOM typedefs and add missing includesEduardo Habkost2020-09-091-4/+6
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Some typedefs and macros are defined after the type check macros. This makes it difficult to automatically replace their definitions with OBJECT_DECLARE_TYPE. Patch generated using: $ ./scripts/codeconverter/converter.py -i \ --pattern=QOMStructTypedefSplit $(git grep -l '' -- '*.[ch]') which will split "typdef struct { ... } TypedefName" declarations. Followed by: $ ./scripts/codeconverter/converter.py -i --pattern=MoveSymbols \ $(git grep -l '' -- '*.[ch]') which will: - move the typedefs and #defines above the type check macros - add missing #include "qom/object.h" lines if necessary Reviewed-by: Daniel P. Berrangé <berrange@redhat.com> Reviewed-by: Juan Quintela <quintela@redhat.com> Message-Id: <20200831210740.126168-9-ehabkost@redhat.com> Reviewed-by: Juan Quintela <quintela@redhat.com> Message-Id: <20200831210740.126168-10-ehabkost@redhat.com> Message-Id: <20200831210740.126168-11-ehabkost@redhat.com> Signed-off-by: Eduardo Habkost <ehabkost@redhat.com>
* scsi: explicitly list guest-recoverable sense codesPaolo Bonzini2019-07-151-0/+1
| | | | | | | | | | It's not really possible to fit all sense codes into errno codes, especially in such a way that sense codes can be properly categorized as either guest-recoverable or host-handled. Create a new function that checks for guest recoverable sense, then scsi_sense_buf_to_errno only needs to be called for host handled sense codes. Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
* Normalize header guard symbol definition.Markus Armbruster2019-05-131-1/+1
| | | | | | | | | | | We commonly define the header guard symbol without an explicit value. Normalize the exceptions. Done with scripts/clean-header-guards.pl. Signed-off-by: Markus Armbruster <armbru@redhat.com> Message-Id: <20190315145123.28030-8-armbru@redhat.com> Reviewed-by: Philippe Mathieu-Daudé <philmd@redhat.com>
* Clean up header guards that don't match their file nameMarkus Armbruster2019-05-131-2/+2
| | | | | | | | | | | | Header guard symbols should match their file name to make guard collisions less likely. Cleaned up with scripts/clean-header-guards.pl, followed by some renaming of new guard symbols picked by the script to better ones. Signed-off-by: Markus Armbruster <armbru@redhat.com> Message-Id: <20190315145123.28030-6-armbru@redhat.com> [Rebase to master: update include/hw/net/ne2000-isa.h]
* avoid TABs in files that only contain a fewPaolo Bonzini2019-01-111-1/+1
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Most files that have TABs only contain a handful of them. Change them to spaces so that we don't confuse people. disas, standard-headers, linux-headers and libdecnumber are imported from other projects and probably should be exempted from the check. Outside those, after this patch the following files still contain both 8-space and TAB sequences at the beginning of the line. Many of them have a majority of TABs, or were initially committed with all tabs. bsd-user/i386/target_syscall.h bsd-user/x86_64/target_syscall.h crypto/aes.c hw/audio/fmopl.c hw/audio/fmopl.h hw/block/tc58128.c hw/display/cirrus_vga.c hw/display/xenfb.c hw/dma/etraxfs_dma.c hw/intc/sh_intc.c hw/misc/mst_fpga.c hw/net/pcnet.c hw/sh4/sh7750.c hw/timer/m48t59.c hw/timer/sh_timer.c include/crypto/aes.h include/disas/bfd.h include/hw/sh4/sh.h libdecnumber/decNumber.c linux-headers/asm-generic/unistd.h linux-headers/linux/kvm.h linux-user/alpha/target_syscall.h linux-user/arm/nwfpe/double_cpdo.c linux-user/arm/nwfpe/fpa11_cpdt.c linux-user/arm/nwfpe/fpa11_cprt.c linux-user/arm/nwfpe/fpa11.h linux-user/flat.h linux-user/flatload.c linux-user/i386/target_syscall.h linux-user/ppc/target_syscall.h linux-user/sparc/target_syscall.h linux-user/syscall.c linux-user/syscall_defs.h linux-user/x86_64/target_syscall.h slirp/cksum.c slirp/if.c slirp/ip.h slirp/ip_icmp.c slirp/ip_icmp.h slirp/ip_input.c slirp/ip_output.c slirp/mbuf.c slirp/misc.c slirp/sbuf.c slirp/socket.c slirp/socket.h slirp/tcp_input.c slirp/tcpip.h slirp/tcp_output.c slirp/tcp_subr.c slirp/tcp_timer.c slirp/tftp.c slirp/udp.c slirp/udp.h target/cris/cpu.h target/cris/mmu.c target/cris/op_helper.c target/sh4/helper.c target/sh4/op_helper.c target/sh4/translate.c tcg/sparc/tcg-target.inc.c tests/tcg/cris/check_addo.c tests/tcg/cris/check_moveq.c tests/tcg/cris/check_swap.c tests/tcg/multiarch/test-mmap.c ui/vnc-enc-hextile-template.h ui/vnc-enc-zywrle.h util/envlist.c util/readline.c The following have only TABs: bsd-user/i386/target_signal.h bsd-user/sparc64/target_signal.h bsd-user/sparc64/target_syscall.h bsd-user/sparc/target_signal.h bsd-user/sparc/target_syscall.h bsd-user/x86_64/target_signal.h crypto/desrfb.c hw/audio/intel-hda-defs.h hw/core/uboot_image.h hw/sh4/sh7750_regnames.c hw/sh4/sh7750_regs.h include/hw/cris/etraxfs_dma.h linux-user/alpha/termbits.h linux-user/arm/nwfpe/fpopcode.h linux-user/arm/nwfpe/fpsr.h linux-user/arm/syscall_nr.h linux-user/arm/target_signal.h linux-user/cris/target_signal.h linux-user/i386/target_signal.h linux-user/linux_loop.h linux-user/m68k/target_signal.h linux-user/microblaze/target_signal.h linux-user/mips64/target_signal.h linux-user/mips/target_signal.h linux-user/mips/target_syscall.h linux-user/mips/termbits.h linux-user/ppc/target_signal.h linux-user/sh4/target_signal.h linux-user/sh4/termbits.h linux-user/sparc64/target_syscall.h linux-user/sparc/target_signal.h linux-user/x86_64/target_signal.h linux-user/x86_64/termbits.h pc-bios/optionrom/optionrom.h slirp/mbuf.h slirp/misc.h slirp/sbuf.h slirp/tcp.h slirp/tcp_timer.h slirp/tcp_var.h target/i386/svm.h target/sparc/asi.h target/xtensa/core-dc232b/xtensa-modules.inc.c target/xtensa/core-dc233c/xtensa-modules.inc.c target/xtensa/core-de212/core-isa.h target/xtensa/core-de212/xtensa-modules.inc.c target/xtensa/core-fsf/xtensa-modules.inc.c target/xtensa/core-sample_controller/core-isa.h target/xtensa/core-sample_controller/xtensa-modules.inc.c target/xtensa/core-test_kc705_be/core-isa.h target/xtensa/core-test_kc705_be/xtensa-modules.inc.c tests/tcg/cris/check_abs.c tests/tcg/cris/check_addc.c tests/tcg/cris/check_addcm.c tests/tcg/cris/check_addoq.c tests/tcg/cris/check_bound.c tests/tcg/cris/check_ftag.c tests/tcg/cris/check_int64.c tests/tcg/cris/check_lz.c tests/tcg/cris/check_openpf5.c tests/tcg/cris/check_sigalrm.c tests/tcg/cris/crisutils.h tests/tcg/cris/sys.c tests/tcg/i386/test-i386-ssse3.c ui/vgafont.h Signed-off-by: Paolo Bonzini <pbonzini@redhat.com> Message-Id: <20181213223737.11793-3-pbonzini@redhat.com> Reviewed-by: Aleksandar Markovic <amarkovic@wavecomp.com> Reviewed-by: Stefan Hajnoczi <stefanha@redhat.com> Reviewed-by: Wainer dos Santos Moschetta <wainersm@redhat.com> Acked-by: Richard Henderson <richard.henderson@linaro.org> Acked-by: Eric Blake <eblake@redhat.com> Acked-by: David Gibson <david@gibson.dropbear.id.au> Reviewed-by: Stefan Markovic <smarkovic@wavecomp.com> Reviewed-by: Michael S. Tsirkin <mst@redhat.com> Reviewed-by: Alex Bennée <alex.bennee@linaro.org> Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
* file-posix: Switch to .bdrv_co_ioctlKevin Wolf2018-12-141-5/+3Star
| | | | | | | | No real reason to keep using the callback based mechanism here when the rest of the file-posix driver is coroutine based. Changing it brings ioctls more in line with how other request types work. Signed-off-by: Kevin Wolf <kwolf@redhat.com>
* pr-manager: add query-pr-managers QMP commandPaolo Bonzini2018-06-281-0/+2
| | | | | | | This command lets you query the connection status of each pr-manager-helper object. Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
* pr-manager: put stubs in .c filePaolo Bonzini2018-06-281-9/+0Star
| | | | Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
* iscsi: Implement copy offloadingFam Zheng2018-06-011-0/+4
| | | | | | | | | | | | Issue EXTENDED COPY (LID1) command to implement the copy_range API. The parameter data construction code is modified from libiscsi's iscsi-dd.c. Signed-off-by: Fam Zheng <famz@redhat.com> Reviewed-by: Stefan Hajnoczi <stefanha@redhat.com> Message-id: 20180601092648.24614-9-famz@redhat.com Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
* Include qapi/qmp/qdict.h exactly where neededMarkus Armbruster2018-02-091-1/+0Star
| | | | | | | | | | | | | This cleanup makes the number of objects depending on qapi/qmp/qdict.h drop from 4550 (out of 4743) to 368 in my "build everything" tree. For qapi/qmp/qobject.h, the number drops from 4552 to 390. While there, separate #include from file comment with a blank line. Reviewed-by: Eric Blake <eblake@redhat.com> Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org> Signed-off-by: Markus Armbruster <armbru@redhat.com> Message-Id: <20180201111846.21846-13-armbru@redhat.com>
* scsi: provide general-purpose functions to manage sense dataPaolo Bonzini2017-12-211-0/+3
| | | | | | | | | | | | | | Extract the common parts of scsi_sense_buf_to_errno, scsi_convert_sense and scsi_target_send_command's REQUEST SENSE handling into two new functions scsi_parse_sense_buf and scsi_build_sense_buf. Fix a bug in scsi_target_send_command along the way; the length was written in buf[10] rather than buf[7]. Reported-by: Dr. David Alan Gilbert <dgilbert@redhat.com> Reviewed-by: Dr. David Alan Gilbert <dgilbert@redhat.com> Fixes: b07fbce634 ("scsi-bus: correct responses for INQUIRY and REQUEST SENSE") Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
* qemu-pr-helper: miscellaneous fixesPaolo Bonzini2017-12-201-1/+5
| | | | | | | | | | 1) Return a generic sense if TEST UNIT READY does not provide one; 2) Fix two mistakes in copying from the spec. Cc: qemu-stable@nongnu.org Reported-by: Dr. David Alan Gilbert <dgilbert@redhat.com> Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
* scsi: add multipath support to qemu-pr-helperPaolo Bonzini2017-09-221-0/+4
| | | | | | | | | | | Proper support of persistent reservation for multipath devices requires communication with the multipath daemon, so that the reservation is registered and applied when a path comes up. The device mapper utilities provide a library to do so; this patch makes qemu-pr-helper.c detect multipath devices and, when one is found, delegate the operation to libmpathpersist. Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
* scsi, file-posix: add support for persistent reservation managementPaolo Bonzini2017-09-221-0/+56
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | It is a common requirement for virtual machine to send persistent reservations, but this currently requires either running QEMU with CAP_SYS_RAWIO, or using out-of-tree patches that let an unprivileged QEMU bypass Linux's filter on SG_IO commands. As an alternative mechanism, the next patches will introduce a privileged helper to run persistent reservation commands without expanding QEMU's attack surface unnecessarily. The helper is invoked through a "pr-manager" QOM object, to which file-posix.c passes SG_IO requests for PERSISTENT RESERVE OUT and PERSISTENT RESERVE IN commands. For example: $ qemu-system-x86_64 -device virtio-scsi \ -object pr-manager-helper,id=helper0,path=/var/run/qemu-pr-helper.sock -drive if=none,id=hd,driver=raw,file.filename=/dev/sdb,file.pr-manager=helper0 -device scsi-block,drive=hd or: $ qemu-system-x86_64 -device virtio-scsi \ -object pr-manager-helper,id=helper0,path=/var/run/qemu-pr-helper.sock -blockdev node-name=hd,driver=raw,file.driver=host_device,file.filename=/dev/sdb,file.pr-manager=helper0 -device scsi-block,drive=hd Multiple pr-manager implementations are conceivable and possible, though only one is implemented right now. For example, a pr-manager could: - talk directly to the multipath daemon from a privileged QEMU (i.e. QEMU links to libmpathpersist); this makes reservation work properly with multipath, but still requires CAP_SYS_RAWIO - use the Linux IOC_PR_* ioctls (they require CAP_SYS_ADMIN though) - more interestingly, implement reservations directly in QEMU through file system locks or a shared database (e.g. sqlite) Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
* scsi: move block/scsi.h to include/scsi/constants.hPaolo Bonzini2017-09-191-0/+314
| | | | | | | | | Complete the transition by renaming this header, which was shared by block/iscsi.c and the SCSI emulation code. Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org> Reviewed-by: Stefan Hajnoczi <stefanha@redhat.com> Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
* scsi: introduce sg_io_sense_from_errnoPaolo Bonzini2017-09-191-0/+3
| | | | | | | | Move more knowledge of SG_IO out of hw/scsi/scsi-generic.c, for reusability. Reviewed-by: Stefan Hajnoczi <stefanha@redhat.com> Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
* scsi: introduce scsi_build_sensePaolo Bonzini2017-09-191-0/+2
| | | | | | | | | Move more knowledge of sense data format out of hw/scsi/scsi-bus.c for reusability. Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org> Reviewed-by: Stefan Hajnoczi <stefanha@redhat.com> Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
* scsi: move non-emulation specific code to scsi/Paolo Bonzini2017-09-192-20/+119
| | | | | | | | | | | | | | util/scsi.c includes some SCSI code that is shared by block/iscsi.c and hw/scsi, but the introduction of the persistent reservation helper will add many more instances of this. There is also include/block/scsi.h, which actually is not part of the core block layer. The persistent reservation manager will also need a home. A scsi/ directory provides one for both the aforementioned shared code and the PR manager code. Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org> Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
* scsi: Introduce scsi_sense_buf_to_errnoFam Zheng2017-09-191-0/+1
| | | | | | | | | This recognizes the "fixed" and "descriptor" format sense data, extracts the sense key/asc/ascq fields then converts them to an errno. Signed-off-by: Fam Zheng <famz@redhat.com> Message-Id: <20170821141008.19383-4-famz@redhat.com> Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
* scsi: Refactor scsi sense interpreting codeFam Zheng2017-09-191-0/+19
So that it can be reused outside of iscsi.c. Also update MAINTAINERS to include the new files in SCSI section. Signed-off-by: Fam Zheng <famz@redhat.com> Message-Id: <20170821141008.19383-2-famz@redhat.com> Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
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