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2013-07-18Merge remote-tracking branch 'luiz/queue/qmp' into stagingAnthony Liguori1-2/+5
# By Amos Kong (1) and Luiz Capitulino (1) # Via Luiz Capitulino * luiz/queue/qmp: qmp: update send-key document qapi: qapi-commands: fix possible leaks on visitor dealloc Message-id: 1374093679-29213-1-git-send-email-lcapitulino@redhat.com Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
2013-07-18Merge remote-tracking branch 'mst/tags/for_anthony' into stagingAnthony Liguori1-0/+63
pci,net,pc enhancements This includes some fixes and enhancements that accumulated in my tree: pci fixes by dkoch, virtio-net enhancements by akong and mst, and a fix for xen pc by mst. Signed-off-by: Michael S. Tsirkin <mst@redhat.com> # gpg: Signature made Wed 17 Jul 2013 04:44:45 AM CDT using RSA key ID D28D5469 # gpg: Can't check signature: public key not found # By Don Koch (2) and others # Via Michael S. Tsirkin * mst/tags/for_anthony: pc: don't access fw cfg if NULL virtio-net: add feature bit for any header s/g net: add support of mac-programming over macvtap in QEMU side pci: fix BRDIGE typo pci-bridge: update mappings for migration/restore Message-id: 1374054430-21966-1-git-send-email-mst@redhat.com Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
2013-07-17qmp: update send-key documentAmos Kong1-2/+5
commit 9f328977 changes qmp_send_key() to accept key codes in hex, but the document wasn't updated. The items of keys list is union now, not enum. Signed-off-by: Amos Kong <akong@redhat.com> Reviewed-by: Eric Blake <eblake@redhat.com> Signed-off-by: Luiz Capitulino <lcapitulino@redhat.com>
2013-07-15net: add support of mac-programming over macvtap in QEMU sideAmos Kong1-0/+63
Currently macvtap based macvlan device is working in promiscuous mode, we want to implement mac-programming over macvtap through Libvirt for better performance. Design: QEMU notifies Libvirt when rx-filter config is changed in guest, then Libvirt query the rx-filter information by a monitor command, and sync the change to macvtap device. Related rx-filter config of the nic contains main mac, rx-mode items and vlan table. This patch adds a QMP event to notify management of rx-filter change, and adds a monitor command for management to query rx-filter information. Test: If we repeatedly add/remove vlan, and change macaddr of vlan interfaces in guest by a loop script. Result: The events will flood the QMP client(management), management takes too much resource to process the events. Event_throttle API (set rate to 1 ms) can avoid the events to flood QMP client, but it could cause an unexpected delay (~1ms), guests guests normally expect rx-filter updates immediately. So we use a flag for each nic to avoid events flooding, the event is emitted once until the query command is executed. The flag implementation could not introduce unexpected delay. There maybe exist an uncontrollable delay if we let Libvirt do the real change, guests normally expect rx-filter updates immediately. But it's another separate issue, we can investigate it when the work in Libvirt side is done. Michael S. Tsirkin: tweaked to enable events on start Michael S. Tsirkin: fixed not to crash when no id Michael S. Tsirkin: fold in patch: "additional fixes for mac-programming feature" Amos Kong: always notify QMP client if mactable is changed Amos Kong: return NULL list if no net client supports rx-filter query Reviewed-by: Eric Blake <eblake@redhat.com> Reviewed-by: Markus Armbruster <armbru@redhat.com> Signed-off-by: Amos Kong <akong@redhat.com> Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
2013-07-15blockdev: add sync mode to drive-backup QMP commandStefan Hajnoczi1-1/+5
The drive-backup command is similar to the drive-mirror command, except no guest data written after the command executes gets copied. Add a sync mode argument which determines whether the entire disk is copied, just allocated clusters, or only clusters being written to by the guest. Currently only sync mode 'full' is supported - it copies the entire disk. For read-only point-in-time snapshots we may only need sync mode 'none' since the target can be a qcow2 file using the guest's disk as its backing file (no need to copy the entire disk). Finally, sync mode 'top' is useful if we wish to preserve the backing chain. Note that this patch just adds the sync mode argument to drive-backup. It does not implement sync modes 'top' or 'none'. This patch is necessary so we can add a drive-backup HMP command that behaves like the existing drive-mirror HMP command and takes a sync mode. Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com> Reviewed-by: Eric Blake <eblake@redhat.com> Signed-off-by: Kevin Wolf <kwolf@redhat.com>
2013-06-28block: add drive-backup QMP commandStefan Hajnoczi1-0/+46
@drive-backup Start a point-in-time copy of a block device to a new destination. The status of ongoing drive-backup operations can be checked with query-block-jobs where the BlockJobInfo.type field has the value 'backup'. The operation can be stopped before it has completed using the block-job-cancel command. @device: the name of the device which should be copied. @target: the target of the new image. If the file exists, or if it is a device, the existing file/device will be used as the new destination. If it does not exist, a new file will be created. @format: #optional the format of the new destination, default is to probe if @mode is 'existing', else the format of the source @mode: #optional whether and how QEMU should create a new image, default is 'absolute-paths'. @speed: #optional the maximum speed, in bytes per second @on-source-error: #optional the action to take on an error on the source, default 'report'. 'stop' and 'enospc' can only be used if the block device supports io-status (see BlockInfo). @on-target-error: #optional the action to take on an error on the target, default 'report' (no limitations, since this applies to a different block device than @device). Note that @on-source-error and @on-target-error only affect background I/O. If an error occurs during a guest write request, the device's rerror/werror actions will be used. Returns: nothing on success If @device is not a valid block device, DeviceNotFound Since 1.6 Reviewed-by: Eric Blake <eblake@redhat.com> Reviewed-by: Kevin Wolf <kwolf@redhat.com> Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com> Signed-off-by: Kevin Wolf <kwolf@redhat.com>
2013-06-07qmp: add ImageInfo in BlockDeviceInfo used by query-blockWenchao Xia1-2/+67
Now image info will be retrieved as an embbed json object inside BlockDeviceInfo, backing chain info and all related internal snapshot info can be got in the enhanced recursive structure of ImageInfo. New recursive member *backing-image is added to reflect the backing chain status. Signed-off-by: Wenchao Xia <xiawenc@linux.vnet.ibm.com> Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
2013-05-02Merge remote-tracking branch 'afaerber/qom-cpu' into stagingAnthony Liguori1-0/+23
# By Igor Mammedov (21) and others # Via Andreas Färber * afaerber/qom-cpu: (29 commits) Drop redundant resume_all_vcpus() from main() cpus: Fix pausing TCG CPUs while in vCPU thread target-i386: Replace cpuid_*features fields with a feature word array target-i386: Break CPUID feature definition lines target-i386/kvm.c: Code formatting changes target-i386: Group together level, xlevel, xlevel2 fields pc: Implement QEMUMachine::hot_add_cpu hook QMP: Add cpu-add command Add hot_add_cpu hook to QEMUMachine target-i386: Move APIC to ICC bus target-i386: Attach ICC bus to CPU on its creation target-i386: Introduce ICC bus/device/bridge cpu: Move cpu_write_elfXX_note() functions to CPUState kvmvapic: Make dependency on sysbus.h explicit target-i386: Replace MSI_SPACE_SIZE with APIC_SPACE_SIZE target-i386: Do not allow to set apic-id once CPU is realized target-i386: Introduce apic-id CPU property target-i386: Introduce feat2prop() for CPU properties acpi_piix4: Add infrastructure to send CPU hot-plug GPE to guest cpu: Add helper cpu_exists(), to check if CPU with specified id exists ...
2013-05-01Trivial grammar and spelling fixesStefan Weil1-1/+1
similiar -> similar recieve -> receive transfered -> transferred preperation -> preparation Most changes are in comments, one modifies a parameter name in a function prototype. The spelling fixes were made using codespell. Signed-off-by: Stefan Weil <sw@weilnetz.de> Acked-by: Richard Henderson <rth@twiddle.net> Signed-off-by: Michael Tokarev <mjt@tls.msk.ru>
2013-05-01QMP: Add cpu-add commandIgor Mammedov1-0/+23
Adds "cpu-add id=xxx" QMP command. cpu-add's "id" argument is a CPU number in a range [0..max-cpus) Example QMP command: -> { "execute": "cpu-add", "arguments": { "id": 2 } } <- { "return": {} } Signed-off-by: Igor Mammedov <imammedo@redhat.com> Acked-by: Luiz Capitulino <lcapitulino@redhat.com> Reviewed-by: Eric Blake <eblake@redhat.com> Reviewed-by: Eduardo Habkost <ehabkost@redhat.com> Signed-off-by: Andreas Färber <afaerber@suse.de>
2013-04-25monitor: introduce query-command-line-optionsAmos Kong1-0/+47
Libvirt has no way to probe if an option or property is supported, This patch introduces a new qmp command to query command line option information. hmp command isn't added because it's not needed. Signed-off-by: Amos Kong <akong@redhat.com> CC: Luiz Capitulino <lcapitulino@redhat.com> CC: Osier Yang <jyang@redhat.com> CC: Anthony Liguori <aliguori@us.ibm.com> Signed-off-by: Luiz Capitulino <lcapitulino@redhat.com> Reviewed-by: Eric Blake <eblake@redhat.com>
2013-04-12Revert "New QMP command query-cpu-max and HMP command cpu_max"Michal Novotny1-22/+0
This reverts commit 4d700430a20b3d53b7b15bc5f6666f7e570e3f2c as asked by Luiz. The patch has been obsoleted by extending MachineInfo structure by cpu-max field. Signed-off-by: Michal Novotny <minovotn@redhat.com> Reviewed-by: Eric Blake <eblake@redhat.com> Signed-off-by: Luiz Capitulino <lcapitulino@redhat.com>
2013-03-26Merge remote-tracking branch 'quintela/migration.next' into stagingAnthony Liguori1-22/+33
# By Peter Lieven (9) and others # Via Juan Quintela * quintela/migration.next: (22 commits) Use qemu_put_buffer_async for guest memory pages Add qemu_put_buffer_async Use writev ops if available Store the data to send also in iovec Update bytes_xfer in qemu_put_byte Add socket_writev_buffer function Add QemuFileWritevBuffer QemuFileOps migration: use XBZRLE only after bulk stage migration: do not search dirty pages in bulk stage migration: do not sent zero pages in bulk stage migration: add an indicator for bulk state of ram migration migration: search for zero instead of dup pages bitops: unroll while loop in find_next_bit() buffer_is_zero: use vector optimizations if possible cutils: add a function to find non-zero content in a buffer move vector definitions to qemu-common.h savevm: Fix bugs in the VMSTATE_VBUFFER_MULTIPLY definition savevm: Add VMSTATE_STRUCT_VARRAY_POINTER_UINT32 savevm: Add VMSTATE_FLOAT64 helpers savevm: Add VMSTATE_UINTTL_EQUAL helper ...
2013-03-26migration: do not sent zero pages in bulk stagePeter Lieven1-0/+1
during bulk stage of ram migration if a page is a zero page do not send it at all. the memory at the destination reads as zero anyway. even if there is an madvise with QEMU_MADV_DONTNEED at the target upon receipt of a zero page I have observed that the target starts swapping if the memory is overcommitted. it seems that the pages are dropped asynchronously. this patch also updates QMP to return the number of skipped pages in MigrationStats. Signed-off-by: Peter Lieven <pl@kamp.de> Reviewed-by: Eric Blake <eblake@redhat.com> Signed-off-by: Juan Quintela <quintela@redhat.com>
2013-03-26migration: Improve QMP documentationJuan Quintela1-22/+32
Signed-off-by: Juan Quintela <quintela@redhat.com> Reviewed-by: Eric Blake <eblake@redhat.com>
2013-03-25New QMP command query-cpu-max and HMP command cpu_maxMichal Novotny1-0/+22
These commands return the maximum number of CPUs supported by the currently running emulator instance, as defined in its QEMUMachine struct. Signed-off-by: Michal Novotny <minovotn@redhat.com> Signed-off-by: Luiz Capitulino <lcapitulino@redhat.com>
2013-03-25QMP: TPM QMP and man page documentation updatesCorey Bryant1-0/+58
Signed-off-by: Corey Bryant <coreyb@linux.vnet.ibm.com> Reviewed-by: Eric Blake <eblake@redhat.com> Reviewed-by: Markus Armbruster <armbru@redhat.com> Signed-off-by: Luiz Capitulino <lcapitulino@redhat.com>
2013-03-12Support for TPM command line optionsStefan Berger1-0/+18
This patch adds support for TPM command line options. The command line options supported here are ./qemu-... -tpmdev passthrough,path=<path to TPM device>,id=<id> -device tpm-tis,tpmdev=<id>,id=<other id> and ./qemu-... -tpmdev help where the latter works similar to -soundhw help and shows a list of available TPM backends (for example 'passthrough'). Using the type parameter, the backend is chosen, i.e., 'passthrough' for the passthrough driver. The interpretation of the other parameters along with determining whether enough parameters were provided is pushed into the backend driver, which needs to implement the interface function 'create' and return a TPMDriverOpts structure if the VM can be started or 'NULL' if not enough or bad parameters were provided. Monitor support for 'info tpm' has been added. It for example prints the following: (qemu) info tpm TPM devices: tpm0: model=tpm-tis \ tpm0: type=passthrough,path=/dev/tpm0,cancel-path=/sys/devices/pnp0/00:09/cancel Signed-off-by: Stefan Berger <stefanb@linux.vnet.ibm.com> Reviewed-by: Corey Bryant <coreyb@linux.vnet.ibm.com> Reviewed-by: Joel Schopp <jschopp@linux.vnet.ibm.com> Message-id: 1361987275-26289-2-git-send-email-stefanb@linux.vnet.ibm.com Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
2013-02-27qmp: netdev_add is like -netdev, not -net, fix documentationMarkus Armbruster1-1/+1
Cc: qemu-stable@nongnu.org Signed-off-by: Markus Armbruster <armbru@redhat.com> Reviewed-by: Laszlo Ersek <lersek@redhat.com> Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
2013-02-06qemu-char: Saner naming of memchar stuff & doc fixesMarkus Armbruster1-26/+29
New device, has never been released, so we can still improve things without worrying about compatibility. Naming is a mess. The code calls the device driver CirMemCharDriver, the public API calls it "memory", "memchardev", or "memchar", and the special commands are named like "memchar-FOO". "memory" is a particularly unfortunate choice, because there's another character device driver called MemoryDriver. Moreover, the device's distinctive property is that it's a ring buffer, not that's in memory. Therefore: * Rename CirMemCharDriver to RingBufCharDriver, and call the thing a "ringbuf" in the API. * Rename QMP and HMP commands from memchar-FOO to ringbuf-FOO. * Rename device parameter from maxcapacity to size (simple words are good for you). * Clearly mark the parameter as optional in documentation. * Fix error reporting so that chardev-add reports to current monitor, not stderr. * Replace cirmem in C identifiers by ringbuf. * Rework documentation. Document the impact of our crappy UTF-8 handling on reading. * QMP examples that even work. I could split this up into multiple commits, but they'd change the same documentation lines multiple times. Not worth it. Signed-off-by: Markus Armbruster <armbru@redhat.com> Reviewed-by: Eric Blake <eblake@redhat.com> Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
2013-02-06qmp: Clean up design of memchar-readMarkus Armbruster1-1/+1
The data returned has a well-defined size, which makes the size returned along with it redundant at best. Drop it. Signed-off-by: Markus Armbruster <armbru@redhat.com> Reviewed-by: Eric Blake <eblake@redhat.com> Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
2013-02-06qmp: Fix design bug and read beyond buffer in memchar-writeMarkus Armbruster1-3/+1
Command memchar-write takes data and size parameter. Begs the question what happens when data doesn't match size. With format base64, qmp_memchar_write() copies the full data argument, regardless of size argument. With format utf8, qmp_memchar_write() copies size bytes from data, happily reading beyond data. Copies crap from the heap or even crashes. Drop the size parameter, and always copy the full data argument. Signed-off-by: Markus Armbruster <armbru@redhat.com> Reviewed-by: Eric Blake <eblake@redhat.com> Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
2013-02-01Fix example for query-migrate-capabilitiesOrit Wasserman1-4/+2
Signed-off-by: Orit Wasserman <owasserm@redhat.com> Reviewed-by: Paolo Bonzini <pbonzini@redhat.com> Reviewed-by: Eric Blake <eblake@redhat.com> Signed-off-by: Juan Quintela <quintela@redhat.com>
2013-01-30qmp-commands.hx: s/tray-open/tray_open/ to match qapi schemaMichal Privoznik1-1/+1
Currently, we are using 'tray_open' in QMP and 'tray-open' in HMP. However, the QMP documentation was mistakenly using the HMP version. Signed-off-by: Michal Privoznik <mprivozn@redhat.com> Reviewed-by: Eric Blake <eblake@redhat.com> Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
2013-01-28Merge remote-tracking branch 'kwolf/for-anthony' into stagingAnthony Liguori1-1/+9
# By Paolo Bonzini (14) and others # Via Kevin Wolf * kwolf/for-anthony: (24 commits) ide: Add fall through annotations block: Create proper size file for disk mirror ahci: Add migration support ahci: Change data types in preparation for migration ahci: Remove unused AHCIDevice fields hbitmap: add assertion on hbitmap_iter_init mirror: do nothing on zero-sized disk block/vdi: Check for bad signature block/vdi: Improved return values from vdi_open block/vdi: Improve debug output for signature block: Use error code EMEDIUMTYPE for wrong format in some block drivers block: Add special error code for wrong format mirror: support arbitrarily-sized iterations mirror: support more than one in-flight AIO operation mirror: add buf-size argument to drive-mirror mirror: switch mirror_iteration to AIO mirror: allow customizing the granularity block: allow customizing the granularity of the dirty bitmap block: return count of dirty sectors, not chunks mirror: perform COW if the cluster size is bigger than the granularity ...
2013-01-25mirror: add buf-size argument to drive-mirrorPaolo Bonzini1-1/+3
This makes sense when the next commit starts using the extra buffer space to perform many I/O operations asynchronously. Signed-off-by: Paolo Bonzini <pbonzini@redhat.com> Signed-off-by: Kevin Wolf <kwolf@redhat.com>
2013-01-25mirror: allow customizing the granularityPaolo Bonzini1-1/+7
The desired granularity may be very different depending on the kind of operation (e.g. continuous replication vs. collapse-to-raw) and whether the VM is expected to perform lots of I/O while mirroring is in progress. Allow the user to customize it, while providing a sane default so that in general there will be no extra allocated space in the target compared to the source. Reviewed-by: Eric Blake <eblake@redhat.com> Signed-off-by: Paolo Bonzini <pbonzini@redhat.com> Signed-off-by: Kevin Wolf <kwolf@redhat.com>
2013-01-25QAPI: Introduce memchar-read QMP commandLei Li1-0/+33
Signed-off-by: Lei Li <lilei@linux.vnet.ibm.com> Signed-off-by: Luiz Capitulino <lcapitulino@redhat.com>
2013-01-25QAPI: Introduce memchar-write QMP commandLei Li1-0/+33
Signed-off-by: Lei Li <lilei@linux.vnet.ibm.com> Signed-off-by: Luiz Capitulino <lcapitulino@redhat.com>
2013-01-25balloon: drop old stats code & APILuiz Capitulino1-13/+0
Next commit will re-enable balloon stats with a different interface, but this old code conflicts with it. Let's drop it. It's important to note that the QMP and HMP interfaces are also dropped by this commit. That shouldn't be a problem though, because: 1. All QMP fields are optional 2. This feature has always been disabled Signed-off-by: Luiz Capitulino <lcapitulino@redhat.com> Reviewed-by: Eric Blake <eblake@redhat.com>
2013-01-16chardev: add pty chardev support to chardev-add (qmp)Gerd Hoffmann1-0/+5
The ptsname is returned directly, so there is no need to use query-chardev to figure the pty device path. Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
2013-01-16chardev: add file chardev support to chardev-add (qmp)Gerd Hoffmann1-1/+7
Add support for file chardevs. Output file is mandatory, input file is optional. Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
2013-01-16chardev: add qmp hotplug commands, with null chardev supportGerd Hoffmann1-0/+50
Add chardev-add and chardev-remove qmp commands. Hotplugging a null chardev is supported for now, more will be added later. Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
2012-10-29Merge remote-tracking branch 'kwolf/for-anthony' into stagingAnthony Liguori1-0/+53
* kwolf/for-anthony: (32 commits) osdep: Less restrictive F_SEFL in qemu_dup_flags() qemu-iotests: add testcases for mirroring on-source-error/on-target-error qmp: add pull_event function mirror: add support for on-source-error/on-target-error iostatus: forward block_job_iostatus_reset to block job qemu-iotests: add mirroring test case mirror: implement completion qmp: add drive-mirror command mirror: introduce mirror job block: introduce BLOCK_JOB_READY event block: add block-job-complete block: rename block_job_complete to block_job_completed block: export dirty bitmap information in query-block block: introduce new dirty bitmap functionality block: add bdrv_open_backing_file block: add bdrv_query_stats block: add bdrv_query_info qemu-config: Add new -add-fd command line option monitor: Prevent removing fd from set during init monitor: Enable adding an inherited fd to an fd set ... Conflicts: vl.c Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
2012-10-24mirror: add support for on-source-error/on-target-errorPaolo Bonzini1-1/+7
Error management is important for mirroring; otherwise, an error on the target (even something as "innocent" as ENOSPC) requires to start again with a full copy. Similar to on_read_error/on_write_error, two separate knobs are provided for on_source_error (reads) and on_target_error (writes). The default is 'report' for both. The 'ignore' policy will leave the sector dirty, so that it will be retried later. Thus, it will not cause corruption. Signed-off-by: Paolo Bonzini <pbonzini@redhat.com> Signed-off-by: Kevin Wolf <kwolf@redhat.com>
2012-10-24qmp: add drive-mirror commandPaolo Bonzini1-0/+42
This adds the monitor commands that start the mirroring job. Signed-off-by: Paolo Bonzini <pbonzini@redhat.com> Signed-off-by: Kevin Wolf <kwolf@redhat.com>
2012-10-24block: add block-job-completePaolo Bonzini1-0/+5
While streaming can be dropped as soon as it progressed through the whole image, mirroring needs to be completed manually for two reasons: 1) so that management knows exactly when the VM switches to the target; 2) because for other use cases such as replication, we may leave the operation running for the whole life of the virtual machine. Add a new block job command that manually completes background operations. Signed-off-by: Paolo Bonzini <pbonzini@redhat.com> Signed-off-by: Kevin Wolf <kwolf@redhat.com>
2012-10-23qmp: add NBD server commandsPaolo Bonzini1-0/+16
Adding an NBD server inside QEMU is trivial, since all the logic is in nbd.c and can be shared easily between qemu-nbd and QEMU itself. The main difference is that qemu-nbd serves a single unnamed export, while QEMU serves named exports. Acked-by: Luiz Capitulino <lcapitulino@redhat.com> Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2012-10-17migration: print expected downtime in info migrateJuan Quintela1-0/+6
Signed-off-by: Juan Quintela <quintela@redhat.com>
2012-10-17migration: print total downtime for final phase of migrationJuan Quintela1-0/+3
Signed-off-by: Juan Quintela <quintela@redhat.com> Reviewed-by: Paolo Bonzini <pbonzini@redhat.com> Reviewed-by: Orit Wasserman <owasserm@redhat.com>
2012-10-04Merge remote-tracking branch 'sstabellini/xen-2012-10-03' into stagingAnthony Liguori1-0/+24
* sstabellini/xen-2012-10-03: xen: Set the vram dirty when an error occur. exec, memory: Call to xen_modified_memory. exec: Introduce helper to set dirty flags. xen: Introduce xen_modified_memory. QMP, Introduce xen-set-global-dirty-log command. qemu/xen: Add 64 bits big bar support on qemu xen: Fix, no unplug of pt device by platform device.
2012-10-04Merge remote-tracking branch 'kwolf/for-anthony' into stagingAnthony Liguori1-2/+18
* kwolf/for-anthony: (30 commits) qemu-iotests: add tests for streaming error handling qemu-iotests: map underscore to dash in QMP argument names blkdebug: process all set_state rules in the old state stream: add on-error argument block: introduce block job error iostatus: reorganize io error code iostatus: change is_read to a bool iostatus: move BlockdevOnError declaration to QAPI iostatus: rename BlockErrorAction, BlockQMPEventAction qemu-iotests: add test for pausing a streaming operation qmp: add block-job-pause and block-job-resume block: add support for job pause/resume qmp: add 'busy' member to BlockJobInfo block: add block_job_query block: move job APIs to separate files block: fix documentation of block_job_cancel_sync qerror/block: introduce QERR_BLOCK_JOB_NOT_ACTIVE qemu-iotests: add initial tests for live block commit QAPI: add command for live block commit, 'block-commit' block: helper function, to find the base image of a chain ...
2012-10-03QMP, Introduce xen-set-global-dirty-log command.Anthony PERARD1-0/+24
This command is used during a migration of a guest under Xen. It calls memory_global_dirty_log_start or memory_global_dirty_log_stop according to the argument pass to the command. Signed-off-by: Anthony PERARD <anthony.perard@citrix.com> Reviewed-by: Luiz Capitulino <lcapitulino@redhat.com>
2012-09-28stream: add on-error argumentPaolo Bonzini1-1/+1
This patch adds support for error management to streaming. Signed-off-by: Paolo Bonzini <pbonzini@redhat.com> Reviewed-by: Eric Blake <eblake@redhat.com> Signed-off-by: Kevin Wolf <kwolf@redhat.com>
2012-09-28qmp: add block-job-pause and block-job-resumePaolo Bonzini1-1/+11
Add QMP commands matching the functionality. Paused jobs cannot be canceled without first resuming them. This ensures that I/O errors are never missed by management. However, an optional force argument can be specified to allow that. Signed-off-by: Paolo Bonzini <pbonzini@redhat.com> Reviewed-by: Eric Blake <eblake@redhat.com> Signed-off-by: Kevin Wolf <kwolf@redhat.com>
2012-09-28QAPI: add command for live block commit, 'block-commit'Jeff Cody1-0/+6
The command for live block commit is added, which has the following arguments: device: the block device to perform the commit on (mandatory) base: the base image to commit into; optional (if not specified, it is the underlying original image) top: the top image of the commit - all data from inside top down to base will be committed into base (mandatory for now; see note, below) speed: maximum speed, in bytes/sec Note: Eventually this command will support merging down the active layer, but that code is not yet complete. If the active layer is passed in as top, then an error will be returned. Once merging down the active layer is supported, the 'top' argument may become optional, and default to the active layer. The is done as a block job, so upon completion a BLOCK_JOB_COMPLETED will be emitted. Signed-off-by: Jeff Cody <jcody@redhat.com> Reviewed-by: Eric Blake <eblake@redhat.com> Signed-off-by: Kevin Wolf <kwolf@redhat.com>
2012-09-26qapi: convert add_clientLuiz Capitulino1-4/+1
Also fixes a few issues while there: 1. The fd returned by monitor_get_fd() leaks in most error conditions 2. monitor_get_fd() return value is not checked. Best case we get an error that is not correctly reported, worse case one of the functions using the fd (with value of -1) will explode 3. A few error conditions aren't reported 4. We now "use up" @fdname always. Before, it was left alone for invalid @protocol Signed-off-by: Luiz Capitulino <lcapitulino@redhat.com> Reviewed-by: Markus Armbruster <armbru@redhat.com>
2012-09-05qapi: convert screendumpLuiz Capitulino1-4/+1
Next commits will update devices to propagate errors. Signed-off-by: Luiz Capitulino <lcapitulino@redhat.com>
2012-09-05qapi: convert sendkeyAmos Kong1-0/+28
Convert 'sendkey' to use QAPI. QAPI passes key's index of mapping table to qmp_send_key(), not keycode. So we use help functions to convert key/code to index of key_defs, and 'index' will be converted to 'keycode' inside qmp_send_key(). For qmp, QAPI would check invalid key and raise error. For hmp, invalid key is checked in hmp_send_key(). 'send-key' of QMP doesn't support key in hexadecimal format. Signed-off-by: Amos Kong <akong@redhat.com> Signed-off-by: Luiz Capitulino <lcapitulino@redhat.com>
2012-08-22Merge remote-tracking branch 'qmp/queue/qmp' into stagingAnthony Liguori1-3/+3
* qmp/queue/qmp: migration: move total_time from ram stats to migration info monitor: avoid declaring unused variables qapi: Fix memory leak
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