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2020-08-21libqemuutil, qapi, trace: convert to mesonPaolo Bonzini
This shows how to do some "computations" in meson.build using its array and dictionary data structures, and also a basic usage of the sourceset module for conditional compilation. Notice the new "if have_system" part of util/meson.build, which fixes a bug in the old build system was buggy: util/dbus.c was built even for non-softmmu builds, but the dependency on -lgio was lost when the linking was done through libqemuutil.a. Because all of its users required gio otherwise, the bug was hidden. Meson instead propagates libqemuutil's dependencies down to its users, and shows the problem. Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2020-07-09Merge remote-tracking branch ↵Peter Maydell
'remotes/vivier2/tags/trivial-branch-for-5.1-pull-request' into staging trivial branch patches 20200707 # gpg: Signature made Tue 07 Jul 2020 11:52:06 BST # gpg: using RSA key CD2F75DDC8E3A4DC2E4F5173F30C38BD3F2FBE3C # gpg: issuer "laurent@vivier.eu" # gpg: Good signature from "Laurent Vivier <lvivier@redhat.com>" [full] # gpg: aka "Laurent Vivier <laurent@vivier.eu>" [full] # gpg: aka "Laurent Vivier (Red Hat) <lvivier@redhat.com>" [full] # Primary key fingerprint: CD2F 75DD C8E3 A4DC 2E4F 5173 F30C 38BD 3F2F BE3C * remotes/vivier2/tags/trivial-branch-for-5.1-pull-request: net/tap-solaris.c: Include qemu-common.h for TFR macro intel_iommu: "aw-bits" error message still refers to "x-aw-bits" util/qemu-option: Document the get_opt_value() function MAINTAINERS: Update Radoslaw Biernacki email address .mailmap: Update Alexander Graf email address trivial: Respect alphabetical order of .o files in Makefile.objs fix the prototype of muls64/mulu64 Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2020-07-07trivial: Respect alphabetical order of .o files in Makefile.objsChristophe de Dinechin
The vmgenid.o is the only file that is not in alphabetical order. Signed-off-by: Christophe de Dinechin <dinechin@redhat.com> Reviewed-by: Alex Bennée <alex.bennee@linaro.org> Reviewed-by: Philippe Mathieu-Daudé <philmd@redhat.com> Message-Id: <20200629094934.2081180-1-dinechin@redhat.com> Signed-off-by: Laurent Vivier <laurent@vivier.eu>
2020-07-06stubs: add pci_create_simpleGerd Hoffmann
Needed for -soundhw cleanup. Signed-off-by: Gerd Hoffmann <kraxel@redhat.com> Reviewed-by: Philippe Mathieu-Daudé <philmd@redhat.com> Tested-by: Philippe Mathieu-Daudé <philmd@redhat.com> Message-id: 20200702132525.6849-3-kraxel@redhat.com
2020-07-06stubs: add isa_create_simpleGerd Hoffmann
Needed for -soundhw cleanup. Signed-off-by: Gerd Hoffmann <kraxel@redhat.com> Reviewed-by: Philippe Mathieu-Daudé <philmd@redhat.com> Tested-by: Philippe Mathieu-Daudé <philmd@redhat.com> Message-id: 20200702132525.6849-2-kraxel@redhat.com
2020-06-24acpi: move aml builder code for floppy deviceGerd Hoffmann
DSDT change: isa device order changes in case MI1 (ipmi) is present. Signed-off-by: Gerd Hoffmann <kraxel@redhat.com> Reviewed-by: Igor Mammedov <imammedo@redhat.com> Message-Id: <20200619091905.21676-4-kraxel@redhat.com> Reviewed-by: Michael S. Tsirkin <mst@redhat.com> Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
2020-06-12stubs: move Xen stubs to accel/Paolo Bonzini
Keep them close to the other accelerator-dependent stubs, so as to remove stubs that are not needed by tools. Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2020-06-05stubs: Restrict ui/win32-kbd-hook to system-modePhilippe Mathieu-Daudé
In Makefile.objs, the ui/ directory is restricted to system-mode: 43 ifeq ($(CONFIG_SOFTMMU),y) ... 65 common-obj-y += ui/ 66 common-obj-m += ui/ ... 82 endif # CONFIG_SOFTMMU Restrict the ui/ stub added in commit 2df9f5718df to only build it for system-mode emulation. Signed-off-by: Philippe Mathieu-Daudé <philmd@redhat.com> Reviewed-by: Richard Henderson <richard.henderson@linaro.org> Message-Id: <20200522172510.25784-14-philmd@redhat.com> Signed-off-by: Laurent Vivier <laurent@vivier.eu>
2020-06-05stubs/Makefile: Reduce the user-mode object listPhilippe Mathieu-Daudé
These stubs are not required when configured with --disable-system. Reviewed-by: Richard Henderson <richard.henderson@linaro.org> Reviewed-by: Laurent Vivier <laurent@vivier.eu> Tested-by: Laurent Vivier <laurent@vivier.eu> Signed-off-by: Philippe Mathieu-Daudé <philmd@redhat.com> Message-Id: <20200522172510.25784-7-philmd@redhat.com> Signed-off-by: Laurent Vivier <laurent@vivier.eu>
2020-05-19ui/win32-kbd-hook: handle AltGr in a hook procedureVolker Rümelin
Import win32 keyboard hooking code from project spice-gtk. This patch removes the extra left control key up/down input events inserted by Windows for the right alt key up/down input events with international keyboard layouts. Additionally there's some code to grab the keyboard. The next patches will use this code. Only Windows needs this. Signed-off-by: Volker Rümelin <vr_qemu@t-online.de> Message-id: 20200516072014.7766-1-vr_qemu@t-online.de Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
2020-03-06stubs: Update monitor stubs for qemu-storage-daemonKevin Wolf
Before we can add the monitor to qemu-storage-daemon, we need to add a stubs for monitor_fdsets_cleanup(). We also need to make sure that stubs that are actually implemented in the monitor core aren't linked to qemu-storage-daemon so that we don't get linker errors because of duplicate symbols. This is achieved by moving the stubs in question to a new file stubs/monitor-core.c. Signed-off-by: Kevin Wolf <kwolf@redhat.com> Message-Id: <20200224143008.13362-15-kwolf@redhat.com> Acked-by: Stefan Hajnoczi <stefanha@redhat.com> Signed-off-by: Kevin Wolf <kwolf@redhat.com>
2020-03-06stubs: Add arch_typeKevin Wolf
blockdev.c uses the arch_type constant, so before we can use the file in tools (i.e. outside of the system emulator), we need to add a stub for it. A new QEMU_ARCH_NONE is introduced for this case. Signed-off-by: Kevin Wolf <kwolf@redhat.com> Message-Id: <20200224143008.13362-3-kwolf@redhat.com> Acked-by: Stefan Hajnoczi <stefanha@redhat.com> Signed-off-by: Kevin Wolf <kwolf@redhat.com>
2020-01-30stubs: add stubs for io_uring interfaceAarushi Mehta
Follow linux-aio.o and stub out the block/io_uring.o APIs that will be missing when a binary is linked with obj-util-y but without block-util-y (e.g. vhost-user-gpu). For example, the stubs are necessary so that a binary using util/async.o from obj-util-y for qemu_bh_new() links successfully. In this case block/io_uring.o from block-util-y isn't needed and we can avoid dragging in the block layer by linking the stubs instead. The stub functions never get called. Signed-off-by: Aarushi Mehta <mehta.aaru20@gmail.com> Acked-by: Stefano Garzarella <sgarzare@redhat.com> Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com> Message-id: 20200120141858.587874-6-stefanha@redhat.com Message-Id: <20200120141858.587874-6-stefanha@redhat.com> Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
2019-12-17acpi: move PC stubs out of stubs/Paolo Bonzini
This is a small cleanup that lets microvm build entirely without include/hw/i386/pc.h. Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2019-10-14replay: add BH oneshot event for block layerPavel Dovgalyuk
Replay is capable of recording normal BH events, but sometimes there are single use callbacks scheduled with aio_bh_schedule_oneshot function. This patch enables recording and replaying such callbacks. Block layer uses these events for calling the completion function. Replaying these calls makes the execution deterministic. Signed-off-by: Pavel Dovgalyuk <Pavel.Dovgaluk@ispras.ru> Acked-by: Kevin Wolf <kwolf@redhat.com> Signed-off-by: Kevin Wolf <kwolf@redhat.com>
2019-05-28semihosting: introduce CONFIG_SEMIHOSTINGAlex Bennée
There isn't much point building semihosting for platforms that don't support it. Introduce a new symbol and enable it only for the softmmu targets that need it. Signed-off-by: Alex Bennée <alex.bennee@linaro.org> Reviewed-by: Philippe Mathieu-Daudé <philmd@redhat.com> Tested-by: Philippe Mathieu-Daudé <philmd@redhat.com> Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
2019-05-23hw/nvram/fw_cfg: Add fw_cfg_arch_key_name()Philippe Mathieu-Daudé
Add fw_cfg_arch_key_name() which returns the name of an architecture-specific key. Reviewed-by: Laszlo Ersek <lersek@redhat.com> Message-Id: <20190422195020.1494-3-philmd@redhat.com> Signed-off-by: Philippe Mathieu-Daudé <philmd@redhat.com>
2019-02-18qapi: make query-cpu-definitions depend on specific targetsMarc-André Lureau
It depends on TARGET_PPC || TARGET_ARM || TARGET_I386 || TARGET_S390X. Signed-off-by: Marc-André Lureau <marcandre.lureau@redhat.com> Reviewed-by: Eduardo Habkost <ehabkost@redhat.com> Acked-by: Cornelia Huck <cohuck@redhat.com> Reviewed-by: Markus Armbruster <armbru@redhat.com> Signed-off-by: Markus Armbruster <armbru@redhat.com> Message-Id: <20190214152251.2073-15-armbru@redhat.com>
2019-02-18qapi: make query-cpu-model-expansion depend on s390 or x86Marc-André Lureau
Signed-off-by: Marc-André Lureau <marcandre.lureau@redhat.com> Reviewed-by: Eduardo Habkost <ehabkost@redhat.com> Acked-by: Cornelia Huck <cohuck@redhat.com> Reviewed-by: Markus Armbruster <armbru@redhat.com> Signed-off-by: Markus Armbruster <armbru@redhat.com> Message-Id: <20190214152251.2073-14-armbru@redhat.com>
2019-02-18qapi: make s390 commands depend on TARGET_S390XMarc-André Lureau
Signed-off-by: Marc-André Lureau <marcandre.lureau@redhat.com> Acked-by: Cornelia Huck <cohuck@redhat.com> Reviewed-by: Markus Armbruster <armbru@redhat.com> Signed-off-by: Markus Armbruster <armbru@redhat.com> Message-Id: <20190214152251.2073-11-armbru@redhat.com>
2019-02-07slirp: replace global polling with per-instance & notifierMarc-André Lureau
Remove hard-coded dependency on slirp in main-loop, and use a "poll" notifier instead. The notifier is registered per slirp instance. Signed-off-by: Marc-André Lureau <marcandre.lureau@redhat.com> Signed-off-by: Samuel Thibault <samuel.thibault@ens-lyon.org>
2019-02-07slirp: replace qemu_set_nonblock()Marc-André Lureau
Replace qemu_set_nonblock() with slirp_set_nonblock() qemu_set_nonblock() does some event registration with the main loop. Add a new callback register_poll_fd() for that reason. Always build the fd-register stub, to avoid #if WIN32. Signed-off-by: Marc-André Lureau <marcandre.lureau@redhat.com> Signed-off-by: Samuel Thibault <samuel.thibault@ens-lyon.org>
2018-10-15stubs: add ramfbGerd Hoffmann
Needed to make sure code using ramfb (vfio) compiles properly even on platforms without fw_cfg (and therefore no ramfb) support. Signed-off-by: Gerd Hoffmann <kraxel@redhat.com> Signed-off-by: Alex Williamson <alex.williamson@redhat.com>
2018-05-07pc-dimm: factor out MemoryDevice interfaceDavid Hildenbrand
On the qmp level, we already have the concept of memory devices: "query-memory-devices" Right now, we only support NVDIMM and PCDIMM. We want to map other devices later into the address space of the guest. Such device could e.g. be virtio devices. These devices will have a guest memory range assigned but won't be exposed via e.g. ACPI. We want to make them look like memory device, but not glued to pc-dimm. Especially, it will not always be possible to have TYPE_PC_DIMM as a parent class (e.g. virtio devices). Let's use an interface instead. As a first part, convert handling of - qmp_pc_dimm_device_list - get_plugged_memory_size to our new model. plug/unplug stuff etc. will follow later. A memory device will have to provide the following functions: - get_addr(): Necessary, as the property "addr" can e.g. not be used for virtio devices (already defined). - get_plugged_size(): The amount this device offers to the guest as of now. - get_region_size(): Because this can later on be bigger than the plugged size. - fill_device_info(): Fill MemoryDeviceInfo, e.g. for qmp. Reviewed-by: David Gibson <david@gibson.dropbear.id.au> Signed-off-by: David Hildenbrand <david@redhat.com> Message-Id: <20180423165126.15441-2-david@redhat.com> Reviewed-by: Michael S. Tsirkin <mst@redhat.com> Signed-off-by: Eduardo Habkost <ehabkost@redhat.com>
2018-02-08stubs: Add stubs for ram block APIFam Zheng
These functions will be wanted by block-obj-y but the actual definition is in obj-y, so stub them to keep the linker happy. Signed-off-by: Fam Zheng <famz@redhat.com> Acked-by: Paolo Bonzini <pbonzini@redhat.com> Message-Id: <20180110091846.10699-2-famz@redhat.com> Reviewed-by: Stefan Hajnoczi <stefanha@redhat.com>
2017-10-25tpm: add stubsPhilippe Mathieu-Daudé
Commit c37cacabf22 moved tpm_cleanup() in the main loop exit, however this function is not available when compiling with --disable-tpm. Provides necessary stubs to keep code clean of #ifdef'fery. Reported-by: BALATON Zoltan <balaton@eik.bme.hu> Message-Id: <20171023102903.256AF7456A0@zero.eik.bme.hu> Signed-off-by: Philippe Mathieu-Daudé <f4bug@amsat.org> Tested-by: Richard W.M. Jones <rjones@redhat.com> Reviewed-by: Juan Quintela <quintela@redhat.com> Signed-off-by: Stefan Berger <stefanb@linux.vnet.ibm.com>
2017-09-14qmp: introduce query-memory-size-summary commandVadim Galitsyn
Add a new query-memory-size-summary command which provides the following memory information in bytes: * base-memory - size of "base" memory specified with command line option -m. * plugged-memory - amount of memory that was hot-plugged. If target does not have CONFIG_MEM_HOTPLUG enabled, no value is reported. Signed-off-by: Vasilis Liaskovitis <vasilis.liaskovitis@profitbricks.com> Signed-off-by: Mohammed Gamal <mohammed.gamal@profitbricks.com> Signed-off-by: Eduardo Otubo <eduardo.otubo@profitbricks.com> Signed-off-by: Vadim Galitsyn <vadim.galitsyn@profitbricks.com> Reviewed-by: Eugene Crosser <evgenii.cherkashin@profitbricks.com> Cc: Dr. David Alan Gilbert <dgilbert@redhat.com> Cc: Markus Armbruster <armbru@redhat.com> Cc: Igor Mammedov <imammedo@redhat.com> Cc: Eric Blake <eblake@redhat.com> Cc: qemu-devel@nongnu.org Message-Id: <20170829153022.27004-3-vadim.galitsyn@profitbricks.com> Reviewed-by: Igor Mammedov <imammedo@redhat.com> Signed-off-by: Dr. David Alan Gilbert <dgilbert@redhat.com> Fixup comments as per Igor's review Added 'of' from Vadim's reply
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>
2017-04-25move 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>
2017-03-02qmp/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>
2017-02-21block: 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>
2017-01-16stubs: 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>
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>
2016-10-30migration: 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>
2016-09-06qmp: 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>
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