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2017-09-08hw/acpi: Move acpi_set_pci_info to pcihpAnthony PERARD
HW part of ACPI PCI hotplug in QEMU depends on ACPI_PCIHP_PROP_BSEL being set on a PCI bus that supports ACPI hotplug. It should work regardless of the source of ACPI tables (QEMU generator/legacy SeaBIOS/Xen). So move ACPI_PCIHP_PROP_BSEL initialization into HW ACPI implementation part from QEMU's ACPI table generator. To do PCI passthrough with Xen, the property ACPI_PCIHP_PROP_BSEL needs to be set, but this was done only when ACPI tables are built which is not needed for a Xen guest. The need for the property starts with commit "pc: pcihp: avoid adding ACPI_PCIHP_PROP_BSEL twice" (f0c9d64a68b776374ec4732424a3e27753ce37b6). Adding find_i440fx into stubs so that mips-softmmu target can be built. Reported-by: Sander Eikelenboom <linux@eikelenboom.it> Signed-off-by: Anthony PERARD <anthony.perard@citrix.com> Reviewed-by: Michael S. Tsirkin <mst@redhat.com> Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
2017-08-15stubs: Add vm state change handler stubsFam Zheng
They will be used by BlockBackend code in block-obj-y, which doesn't always get linked with common-obj-y. Add stubs to keep ld happy. Signed-off-by: Fam Zheng <famz@redhat.com> Message-Id: <20170815130740.31229-2-famz@redhat.com> Signed-off-by: Eric Blake <eblake@redhat.com>
2017-05-17migration: Move check_migratable() into qdev.cJuan Quintela
The function is only used once, and nothing else in migration knows about objects. Create the function vmstate_device_is_migratable() in savem.c that really do the bit that is related with migration. Signed-off-by: Juan Quintela <quintela@redhat.com> Reviewed-by: Peter Xu <peterx@redhat.com>
2017-05-17migration: Create migration/blocker.hJuan Quintela
This allows us to remove lots of includes of migration/migration.h Signed-off-by: Juan Quintela <quintela@redhat.com> Reviewed-by: Peter Xu <peterx@redhat.com> Reviewed-by: Dr. David Alan Gilbert <dgilbert@redhat.com>
2017-04-25move xen-hvm.c to hw/i386/xen/Anthony Xu
move xen-hvm.c to hw/i386/xen/ Signed-off -by: Anthony Xu <anthony.xu@intel.com> Reviewed-by: Stefano Stabellini <sstabellini@kernel.org>
2017-04-25move xen-common.c to hw/xen/Anthony Xu
move xen-common.c to hw/xen/ Signed-off -by: Anthony Xu <anthony.xu@intel.com> Reviewed-by: Stefano Stabellini <sstabellini@kernel.org>
2017-03-14cpus: define QEMUTimerListNotifyCB for QEMU system emulationPaolo Bonzini
There is no change for now, because the callback just invokes qemu_notify_event. Reviewed-by: Edgar E. Iglesias <edgar.iglesias@xilinx.com> Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2017-03-03Merge remote-tracking branch 'remotes/mst/tags/for_upstream' into stagingPeter Maydell
virtio, pc: fixes, features virtio support for region caches broke a bunch of stuff - fixing most of it though it's not ideal. Still pondering the right way to fix it. New: VM gen ID and hotplug for PXB. Signed-off-by: Michael S. Tsirkin <mst@redhat.com> # gpg: Signature made Thu 02 Mar 2017 06:19:17 GMT # gpg: using RSA key 0x281F0DB8D28D5469 # gpg: Good signature from "Michael S. Tsirkin <mst@kernel.org>" # gpg: aka "Michael S. Tsirkin <mst@redhat.com>" # Primary key fingerprint: 0270 606B 6F3C DF3D 0B17 0970 C350 3912 AFBE 8E67 # Subkey fingerprint: 5D09 FD08 71C8 F85B 94CA 8A0D 281F 0DB8 D28D 5469 * remotes/mst/tags/for_upstream: hw/pxb-pcie: fix PCI Express hotplug support tests/acpi: update DSDT after last patch acpi: simplify _OSC virtio: unbreak virtio-pci with IOMMU after caching ring translations virtio: add missing region cache init in virtio_load() virtio: invalidate memory in vring_set_avail_event() virtio: guard vring access when setting notification virtio: check for vring setup in virtio_queue_empty MAINTAINERS: Add VM Generation ID entries tests: Move reusable ACPI code into a utility file qmp/hmp: add query-vm-generation-id and 'info vm-generation-id' commands ACPI: Add Virtual Machine Generation ID support ACPI: Add vmgenid blob storage to the build tables docs: VM Generation ID device description linker-loader: Add new 'write pointer' command Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2017-03-02qmp/hmp: add query-vm-generation-id and 'info vm-generation-id' commandsIgor Mammedov
Add commands to query Virtual Machine Generation ID counter. QMP command example: { "execute": "query-vm-generation-id" } HMP command example: info vm-generation-id Signed-off-by: Igor Mammedov <imammedo@redhat.com> Reviewed-by: Eric Blake <eblake@redhat.com> Signed-off-by: Ben Warren <ben@skyportsystems.com> Reviewed-by: Laszlo Ersek <lersek@redhat.com> Tested-by: Laszlo Ersek <lersek@redhat.com> Reviewed-by: Michael S. Tsirkin <mst@redhat.com> Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
2017-02-28migrate: Introduce a 'dc->vmsd' check to avoid segfault for --only-migratableAshijeet Acharya
Commit a3a3d8c7 introduced a segfault bug while checking for 'dc->vmsd->unmigratable' which caused QEMU to crash when trying to add devices which do no set their 'dc->vmsd' yet while initialization. Place a 'dc->vmsd' check prior to it so that we do not segfault for such devices. NOTE: This doesn't compromise the functioning of --only-migratable option as all the unmigratable devices do set their 'dc->vmsd'. Introduce a new function check_migratable() and move the only_migratable check inside it, also use stubs to avoid user-mode qemu build failures. Signed-off-by: Ashijeet Acharya <ashijeetacharya@gmail.com> Message-Id: <1487009088-23891-1-git-send-email-ashijeetacharya@gmail.com> Reviewed-by: Dr. David Alan Gilbert <dgilbert@redhat.com> Signed-off-by: Dr. David Alan Gilbert <dgilbert@redhat.com>
2017-02-21block: move AioContext, QEMUTimer, main-loop to libqemuutilPaolo Bonzini
AioContext is fairly self contained, the only dependency is QEMUTimer but that in turn doesn't need anything else. So move them out of block-obj-y to avoid introducing a dependency from io/ to block-obj-y. main-loop and its dependency iohandler also need to be moved, because later in this series io/ will call iohandler_get_aio_context. [Changed copyright "the QEMU team" to "other QEMU contributors" as suggested by Daniel Berrange and agreed by Paolo. --Stefan] Signed-off-by: Paolo Bonzini <pbonzini@redhat.com> Reviewed-by: Fam Zheng <famz@redhat.com> Message-id: 20170213135235.12274-2-pbonzini@redhat.com Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
2017-02-06vmstate_register_with_alias_id: Take an Error **Dr. David Alan Gilbert
I'll be adding an error to it in a subsequent patch. Signed-off-by: Dr. David Alan Gilbert <dgilbert@redhat.com> Reviewed-by: Juan Quintela <quintela@redhat.com> Message-Id: <20170202125956.21942-2-dgilbert@redhat.com> Signed-off-by: Juan Quintela <quintela@redhat.com>
2017-01-27char: rename CharDriverState ChardevMarc-André Lureau
Pick a uniform chardev type name. Signed-off-by: Marc-André Lureau <marcandre.lureau@redhat.com> Reviewed-by: Eric Blake <eblake@redhat.com> Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2017-01-24migration: disallow migrate_add_blocker during migrationAshijeet Acharya
If a migration is already in progress and somebody attempts to add a migration blocker, this should rightly fail. Add an errp parameter and a retcode return value to migrate_add_blocker. Signed-off-by: John Snow <jsnow@redhat.com> Signed-off-by: Ashijeet Acharya <ashijeetacharya@gmail.com> Message-Id: <1484566314-3987-5-git-send-email-ashijeetacharya@gmail.com> Reviewed-by: Dr. David Alan Gilbert <dgilbert@redhat.com> Acked-by: Greg Kurz <groug@kaod.org> Signed-off-by: Dr. David Alan Gilbert <dgilbert@redhat.com> Merged with recent 'Allow invtsc migration' change
2017-01-23machine: Make possible_cpu_arch_ids() return const pointerIgor Mammedov
make sure that external callers won't try to modify possible_cpus and owner of possible_cpus can access it directly when it modifies it. Signed-off-by: Igor Mammedov <imammedo@redhat.com> Message-Id: <1484759609-264075-5-git-send-email-imammedo@redhat.com> Reviewed-by: Eduardo Habkost <ehabkost@redhat.com> Signed-off-by: Eduardo Habkost <ehabkost@redhat.com>
2017-01-16stubs: remove stubs/kvm.cPaolo Bonzini
This has a single function, just move it to the other target/*/kvm.c files. Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2017-01-16build: remove --enable-colo/--disable-coloPaolo Bonzini
No need to provide this knob, so remove it and stubs/migration-colo.c. Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2017-01-16event_notifier: cleanups around event_notifier_set_handlerPaolo Bonzini
Remove the useless is_external argument. Since the iohandler AioContext is never used for block devices, aio_disable_external is never called on it. This lets us remove stubs/iohandler.c. Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2017-01-16stubs: move vhost stubs to stubs/vhost.oPaolo Bonzini
No need to include them in libqemustub.a, since only system emulators need them. Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2017-01-16stubs: group all monitor_fdset_* functions in a single filePaolo Bonzini
It makes little sense to implement only one of them, so avoid proliferation of stubs files. Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2017-01-16stubs: group stubs for user-mode emulationPaolo Bonzini
Some stubs are used for user-mode emulation only; they are not needed by tools. Move them out of stubs/. Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2017-01-16hw: move reset handlers from vl.c to hw/corePaolo Bonzini
They are small, it is not worth stubbing them. Just include them in user-mode emulators and unit tests as well. Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2017-01-16stubs: remove unused stub for serial_hdPaolo Bonzini
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2017-01-16stubs: move acpi stubs to hw/acpiPaolo Bonzini
No need to include them in libqemustub.a, since only system emulators need them. Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2017-01-16stubs: move smbios stubs to hw/smbiosPaolo Bonzini
No need to include them in libqemustub.a, since only system emulators need them. Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2017-01-16stubs: merge all monitor stubs in one file, remove monitor_cur_is_qmp stubPaolo Bonzini
monitor_cur_is_qmp was previously used by other stubs, but it's not since 397d30e ("qemu-error: remove dependency of stubs on monitor", 2016-11-01). Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2017-01-03aio: add AioPollFn and io_poll() interfaceStefan Hajnoczi
The new AioPollFn io_poll() argument to aio_set_fd_handler() and aio_set_event_handler() is used in the next patch. Keep this code change separate due to the number of files it touches. Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com> Reviewed-by: Paolo Bonzini <pbonzini@redhat.com> Message-id: 20161201192652.9509-3-stefanha@redhat.com Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
2016-11-01tests: send error_report to test logPaolo Bonzini
Implement error_vprintf to send the output of error_report to the test log. This silences test-vmstate. Signed-off-by: Paolo Bonzini <pbonzini@redhat.com> Message-Id: <1477326663-67817-3-git-send-email-pbonzini@redhat.com>
2016-11-01qemu-error: remove dependency of stubs on monitorPaolo Bonzini
Leave the implementation of error_vprintf and error_vprintf_unless_qmp (the latter now trivially wrapped by error_printf_unless_qmp) to libqemustub.a and monitor.c. This has two advantages: it lets us remove the monitor_printf and monitor_vprintf stubs, and it lets tests provide a different implementation of the functions that uses g_test_message. Signed-off-by: Paolo Bonzini <pbonzini@redhat.com> Message-Id: <1477326663-67817-2-git-send-email-pbonzini@redhat.com>
2016-10-31Merge remote-tracking branch 'remotes/amit-migration/tags/migration-for-2.8' ↵Peter Maydell
into staging Migration bits from the COLO project # gpg: Signature made Sun 30 Oct 2016 10:39:55 GMT # gpg: using RSA key 0xEB0B4DFC657EF670 # gpg: Good signature from "Amit Shah <amit@amitshah.net>" # gpg: aka "Amit Shah <amit@kernel.org>" # gpg: aka "Amit Shah <amitshah@gmx.net>" # Primary key fingerprint: 48CA 3722 5FE7 F4A8 B337 2735 1E9A 3B5F 8540 83B6 # Subkey fingerprint: CC63 D332 AB8F 4617 4529 6534 EB0B 4DFC 657E F670 * remotes/amit-migration/tags/migration-for-2.8: MAINTAINERS: Add maintainer for COLO framework related files configure: Support enable/disable COLO feature docs: Add documentation for COLO feature COLO: Implement failover work for secondary VM COLO: Implement the process of failover for primary VM COLO: Introduce state to record failover process COLO: Add 'x-colo-lost-heartbeat' command to trigger failover COLO: Synchronize PVM's state to SVM periodically COLO: Add checkpoint-delay parameter for migrate-set-parameters COLO: Load VMState into QIOChannelBuffer before restore it COLO: Send PVM state to secondary side when do checkpoint COLO: Add a new RunState RUN_STATE_COLO COLO: Introduce checkpointing protocol COLO: Establish a new communicating path for COLO migration: Switch to COLO process after finishing loadvm migration: Enter into COLO mode after migration if COLO is enabled COLO: migrate COLO related info to secondary node migration: Introduce capability 'x-colo' to migration Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2016-10-30COLO: Add 'x-colo-lost-heartbeat' command to trigger failoverzhanghailiang
We leave users to choose whatever heartbeat solution they want, if the heartbeat is lost, or other errors they detect, they can use experimental command 'x_colo_lost_heartbeat' to tell COLO to do failover, COLO will do operations accordingly. For example, if the command is sent to the Primary side, the Primary side will exit COLO mode, does cleanup work, and then, PVM will take over the service work. If sent to the Secondary side, the Secondary side will run failover work, then takes over PVM's service work. Cc: Luiz Capitulino <lcapitulino@redhat.com> Cc: Eric Blake <eblake@redhat.com> Cc: Markus Armbruster <armbru@redhat.com> Signed-off-by: zhanghailiang <zhang.zhanghailiang@huawei.com> Signed-off-by: Li Zhijian <lizhijian@cn.fujitsu.com> Reviewed-by: Dr. David Alan Gilbert <dgilbert@redhat.com> Reviewed-by: Amit Shah <amit.shah@redhat.com> Signed-off-by: Amit Shah <amit@amitshah.net>
2016-10-30migration: Switch to COLO process after finishing loadvmzhanghailiang
Switch from normal migration loadvm process into COLO checkpoint process if COLO mode is enabled. We add three new members to struct MigrationIncomingState, 'have_colo_incoming_thread' and 'colo_incoming_thread' record the COLO related thread for secondary VM, 'migration_incoming_co' records the original migration incoming coroutine. Signed-off-by: zhanghailiang <zhang.zhanghailiang@huawei.com> Signed-off-by: Li Zhijian <lizhijian@cn.fujitsu.com> Reviewed-by: Dr. David Alan Gilbert <dgilbert@redhat.com> Reviewed-by: Amit Shah <amit.shah@redhat.com> Signed-off-by: Amit Shah <amit@amitshah.net>
2016-10-30migration: Enter into COLO mode after migration if COLO is enabledzhanghailiang
Add a new migration state: MIGRATION_STATUS_COLO. Migration source side enters this state after the first live migration successfully finished if COLO is enabled by command 'migrate_set_capability x-colo on'. We reuse migration thread, so the process of checkpointing will be handled in migration thread. Signed-off-by: zhanghailiang <zhang.zhanghailiang@huawei.com> Signed-off-by: Li Zhijian <lizhijian@cn.fujitsu.com> Signed-off-by: Gonglei <arei.gonglei@huawei.com> Reviewed-by: Dr. David Alan Gilbert <dgilbert@redhat.com> Reviewed-by: Amit Shah <amit.shah@redhat.com> Signed-off-by: Amit Shah <amit@amitshah.net>
2016-10-30migration: Introduce capability 'x-colo' to migrationzhanghailiang
We add helper function colo_supported() to indicate whether colo is supported or not, with which we use to control whether or not showing 'x-colo' string to users, they can use qmp command 'query-migrate-capabilities' or hmp command 'info migrate_capabilities' to learn if colo is supported. The default value for COLO (COarse-Grain LOck Stepping) is disabled. Cc: Juan Quintela <quintela@redhat.com> Cc: Amit Shah <amit.shah@redhat.com> Cc: Eric Blake <eblake@redhat.com> Cc: Markus Armbruster <armbru@redhat.com> Signed-off-by: zhanghailiang <zhang.zhanghailiang@huawei.com> Signed-off-by: Li Zhijian <lizhijian@cn.fujitsu.com> Signed-off-by: Gonglei <arei.gonglei@huawei.com> Reviewed-by: Eric Blake <eblake@redhat.com> Reviewed-by: Amit Shah <amit.shah@redhat.com> Signed-off-by: Amit Shah <amit@amitshah.net>
2016-10-28aio: introduce qemu_get_current_aio_contextPaolo Bonzini
This will be used by BDRV_POLL_WHILE (and thus by bdrv_drain) to choose how to wait for I/O completion. Reviewed-by: Fam Zheng <famz@redhat.com> Signed-off-by: Paolo Bonzini <pbonzini@redhat.com> Message-Id: <1477565348-5458-12-git-send-email-pbonzini@redhat.com> Signed-off-by: Fam Zheng <famz@redhat.com>
2016-10-17tests: cleanup ptimer-testPaolo Bonzini
1) ptimer-test is not a qtest---it runs the ptimer.c code directly in the ptimer-test process 2) ptimer-test has its own stubs file, so there is no need to add more stubs to stubs/vmstate.c Signed-off-by: Paolo Bonzini <pbonzini@redhat.com> Reviewed-by: Dmitry Osipenko <digetx@gmail.com> Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2016-10-12trace: remove global 'uint16 dstate[]' arrayDaniel P. Berrange
Instead of having a global dstate array, declare a single 'uint16 TRACE_${EVENT_NAME}_DSTATE' variable for each trace event. Record a pointer to this variable in the TraceEvent struct too. By turning trace_event_get_state_dynamic_by_id into a macro, this still hits the fast path, and cache affinity is ensured by declaring all the uint16 vars adjacent to each other. Reviewed-by: Stefan Hajnoczi <stefanha@redhat.com> Reviewed-by: Lluís Vilanova <vilanova@ac.upc.edu> Signed-off-by: Daniel P. Berrange <berrange@redhat.com> Message-id: 1475588159-30598-7-git-send-email-berrange@redhat.com Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
2016-09-29Merge remote-tracking branch 'remotes/stefanha/tags/tracing-pull-request' ↵Peter Maydell
into staging # gpg: Signature made Wed 28 Sep 2016 22:30:45 BST # gpg: using RSA key 0x9CA4ABB381AB73C8 # gpg: Good signature from "Stefan Hajnoczi <stefanha@redhat.com>" # gpg: aka "Stefan Hajnoczi <stefanha@gmail.com>" # Primary key fingerprint: 8695 A8BF D3F9 7CDA AC35 775A 9CA4 ABB3 81AB 73C8 * remotes/stefanha/tags/tracing-pull-request: trace: Document the execution mode of guest events trace: Add event "guest_cpu_reset" trace: Add event "guest_cpu_enter" trace: Properly initialize dynamic event states in hot-plugged vCPUs trace: move hw/virtio/virtio-balloon.c trace points into correct file trace: move hw/mem/pc-dimm.c trace points into correct file trace: move util/qemu-coroutine*.c trace points into correct file trace: move util/buffer.c trace points into correct file Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2016-09-28trace: Properly initialize dynamic event states in hot-plugged vCPUsLluís Vilanova
Every time a vCPU is hot-plugged, it will "inherit" its tracing state from the global state array. That is, if *any* existing vCPU has an event enabled, new vCPUs will have too. Signed-off-by: Lluís Vilanova <vilanova@ac.upc.edu> Message-id: 147428970768.15111.7664565956870423529.stgit@fimbulvetr.bsc.es Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
2016-09-27replay: allow replay stopping and restartingPavel Dovgalyuk
This patch fixes bug with stopping and restarting replay through monitor. Signed-off-by: Pavel Dovgalyuk <pavel.dovgaluk@ispras.ru> Message-Id: <20160926080815.6992.71818.stgit@PASHA-ISP> Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2016-09-23Merge remote-tracking branch 'remotes/famz/tags/various-pull-request' into ↵Peter Maydell
staging # gpg: Signature made Fri 23 Sep 2016 05:58:28 BST # gpg: using RSA key 0xCA35624C6A9171C6 # gpg: Good signature from "Fam Zheng <famz@redhat.com>" # gpg: WARNING: This key is not certified with a trusted signature! # gpg: There is no indication that the signature belongs to the owner. # Primary key fingerprint: 5003 7CB7 9706 0F76 F021 AD56 CA35 624C 6A91 71C6 * remotes/famz/tags/various-pull-request: (23 commits) docker: exec $CMD docker: Terminate instances at SIGTERM and SIGHUP docker: Support showing environment information docker: Print used options before doing configure docker: Flatten default target list in test-quick docker: Update fedora image to latest docker: Generate /packages.txt in ubuntu image docker: Generate /packages.txt in fedora image docker: Generate /packages.txt in centos6 image tests: Ignore test-uuid Add UUID files to MAINTAINERS tests: Add uuid tests uuid: Tighten uuid parse vl: Switch qemu_uuid to QemuUUID configure: Remove detection code for UUID tests: No longer dependent on CONFIG_UUID crypto: Switch to QEMU UUID API vpc: Use QEMU UUID API vdi: Use QEMU UUID API vhdx: Use QEMU UUID API ... Signed-off-by: Peter Maydell <peter.maydell@linaro.org> # Conflicts: # tests/Makefile.include
2016-09-23util: Add UUID APIFam Zheng
A number of different places across the code base use CONFIG_UUID. Some of them are soft dependency, some are not built if libuuid is not available, some come with dummy fallback, some throws runtime error. It is hard to maintain, and hard to reason for users. Since UUID is a simple standard with only a small number of operations, it is cleaner to have a central support in libqemuutil. This patch adds qemu_uuid_* functions that all uuid users in the code base can rely on. Except for qemu_uuid_generate which is new code, all other functions are just copy from existing fallbacks from other files. Note that qemu_uuid_parse is moved without updating the function signature to use QemuUUID, to keep this patch simple. Signed-off-by: Fam Zheng <famz@redhat.com> Reviewed-by: Eric Blake <eblake@redhat.com> Reviewed-by: Jeff Cody <jcody@redhat.com> Message-Id: <1474432046-325-2-git-send-email-famz@redhat.com>
2016-09-22tests: Add ptimer testsDmitry Osipenko
Ptimer is a generic countdown timer helper that is used by many timer device models as well as by the QEMU core. Add QTests for the ptimer. Signed-off-by: Dmitry Osipenko <digetx@gmail.com> Message-id: 1de89fe6e1ccaf6c8071ee3469e1a844df948359.1473252818.git.digetx@gmail.com Reviewed-by: Peter Maydell <peter.maydell@linaro.org> Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2016-09-06Merge remote-tracking branch 'remotes/cohuck/tags/s390x-20160906-v2' into ↵Peter Maydell
staging First (big) chunk of s390x updates: - cpumodel support for s390x - various fixes and improvements # gpg: Signature made Tue 06 Sep 2016 16:09:53 BST # gpg: using RSA key 0xDECF6B93C6F02FAF # gpg: Good signature from "Cornelia Huck <huckc@linux.vnet.ibm.com>" # gpg: aka "Cornelia Huck <cornelia.huck@de.ibm.com>" # Primary key fingerprint: C3D0 D66D C362 4FF6 A8C0 18CE DECF 6B93 C6F0 2FAF * remotes/cohuck/tags/s390x-20160906-v2: (38 commits) s390x/cpumodel: implement QMP interface "query-cpu-model-baseline" s390x/cpumodel: implement QMP interface "query-cpu-model-comparison" s390x/cpumodel: implement QMP interface "query-cpu-model-expansion" qmp: add QMP interface "query-cpu-model-baseline" qmp: add QMP interface "query-cpu-model-comparison" qmp: add QMP interface "query-cpu-model-expansion" s390x/kvm: don't enable key wrapping if msa3 is disabled s390x/kvm: let the CPU model control CMM(A) s390x/kvm: disable host model for problematic compat machines s390x/kvm: implement CPU model support s390x/kvm: allow runtime-instrumentation for "none" machine s390x/sclp: propagate hmfai s390x/sclp: propagate the mha via sclp s390x/sclp: propagate the ibc val (lowest and unblocked ibc) s390x/sclp: indicate sclp features s390x/sclp: introduce sclp feature blocks s390x/sclp: factor out preparation of cpu entries s390x/cpumodel: check and apply the CPU model s390x/cpumodel: let the CPU model handle feature checks s390x/cpumodel: expose features and feature groups as properties ... Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2016-09-06qmp: add QMP interface "query-cpu-model-baseline"David Hildenbrand
Let's provide a standardized interface to baseline two CPU models, to create a third, compatible one. This is especially helpful when two CPU models are not identical, but a CPU model is required that is guaranteed to run under both configurations, where the original models run. "query-cpu-model-baseline" takes two CPU models and returns a third, compatible model. The result will always be a static CPU model. Acked-by: Cornelia Huck <cornelia.huck@de.ibm.com> Reviewed-by: Eduardo Habkost <ehabkost@redhat.com> Signed-off-by: David Hildenbrand <dahi@linux.vnet.ibm.com> Message-Id: <20160905085244.99980-28-dahi@linux.vnet.ibm.com> Signed-off-by: Cornelia Huck <cornelia.huck@de.ibm.com>
2016-09-06qmp: add QMP interface "query-cpu-model-comparison"David Hildenbrand
Let's provide a standardized interface to compare two CPU models. "query-cpu-model-compare" takes two models and returns how they compare in a specific configuration. The result will give guarantees about runnability. E.g. if a CPU model A is a subset of CPU model B, model A is guaranteed to run in configurations where model B runs, but not the other way around (might or might not run). Usually, CPU features or CPU generations are used to calculate the result. If a model is not guaranteed to run in a certain environment (e.g. incompatible), a compatible one can be created by "baselining" both models (follow up patch). Acked-by: Cornelia Huck <cornelia.huck@de.ibm.com> Reviewed-by: Eduardo Habkost <ehabkost@redhat.com> Signed-off-by: David Hildenbrand <dahi@linux.vnet.ibm.com> Message-Id: <20160905085244.99980-27-dahi@linux.vnet.ibm.com> Signed-off-by: Cornelia Huck <cornelia.huck@de.ibm.com>
2016-09-06qmp: add QMP interface "query-cpu-model-expansion"David Hildenbrand
Let's provide a standardized interface to expand CPU models. This interface can be used by tooling to get details about a specific CPU model in a certain configuration, e.g. about the "host" model. To take care of all architectures, two detail levels for an expansion are introduced. Certain architectures might not support all detail levels. While "full" will expand and indicate all relevant properties/features of a CPU model, "static" expands to a static base CPU model, that will never change between QEMU versions and therefore have the same features when used under different compatibility machines. Acked-by: Cornelia Huck <cornelia.huck@de.ibm.com> Reviewed-by: Eduardo Habkost <ehabkost@redhat.com> Signed-off-by: David Hildenbrand <dahi@linux.vnet.ibm.com> Message-Id: <20160905085244.99980-26-dahi@linux.vnet.ibm.com> Signed-off-by: Cornelia Huck <cornelia.huck@de.ibm.com>
2016-09-05trace: Avoid implicit bool->integer conversionsLluís Vilanova
An explicit if/else is clearer than arithmetic assuming #true is 1, while the compiler should be able to generate just as optimal code. Signed-off-by: Lluís Vilanova <vilanova@ac.upc.edu> Message-id: 147194273830.26836.5875729707953474838.stgit@fimbulvetr.bsc.es Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
2016-09-05trace: Remove 'trace_events_dstate_init'Lluís Vilanova
Removes the event state array used for early initialization. Since only events with the "vcpu" property need a late initialization fixup, threats their initialization specially. Assumes that the user won't touch the state of "vcpu" events between early and late initialization (e.g., through QMP). Signed-off-by: Lluís Vilanova <vilanova@ac.upc.edu> Message-id: 147194273191.26836.14423079546263831356.stgit@fimbulvetr.bsc.es Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
2016-07-18trace: Add per-vCPU tracing states for events with the 'vcpu' propertyLluís Vilanova
Each vCPU gets a 'trace_dstate' bitmap to control the per-vCPU dynamic tracing state of events with the 'vcpu' property. Signed-off-by: Lluís Vilanova <vilanova@ac.upc.edu> Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
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