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* rdma: rename 'x-rdma' => 'rdma'Michael R. Hines2014-02-251-4/+3Star
| | | | | | | | | | | | | | | | | | As far as we can tell, all known bugs have been fixed: 1. Parallel migrations are working 2. IPv6 migration is working 3. virt-test is working I'm not comfortable sending the revised libvirt patch until this is accepted or review suggestions are addressed, (including pin-all support. It does not make sense to remove experimental for one thing and not the other. That's too many trips through the libvirt community). Reviewed-by: Eric Blake <eblake@redhat.com> Signed-off-by: Michael R. Hines <mrhines@us.ibm.com> Signed-off-by: Juan Quintela <quintela@redhat.com>
* quorum: Add quorum_open() and quorum_close().Benoît Canet2014-02-211-1/+20
| | | | | | | | | | | | | | | | | | | | | | | Example of command line: -drive if=virtio,driver=quorum,\ children.0.file.filename=1.raw,\ children.0.node-name=1.raw,\ children.0.driver=raw,\ children.1.file.filename=2.raw,\ children.1.node-name=2.raw,\ children.1.driver=raw,\ children.2.file.filename=3.raw,\ children.2.node-name=3.raw,\ children.2.driver=raw,\ vote-threshold=2 blkverify=on with vote-threshold=2 and two files can be passed to emulate blkverify. Signed-off-by: Benoit Canet <benoit@irqsave.net> Reviewed-by: Max Reitz <mreitz@redhat.com> Signed-off-by: Kevin Wolf <kwolf@redhat.com>
* Merge remote-tracking branch 'remotes/afaerber/tags/qom-devices-for-peter' ↵Peter Maydell2014-02-201-0/+58
|\ | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | into staging QOM infrastructure fixes and device conversions * QTest cleanups and test cases for PCI NICs * NAND fix for "info qtree" * Cleanup and extension of QOM machine tests * IndustryPack test cases and conversion to QOM realize * I2C cleanups * Cleanups of legacy qdev properties # gpg: Signature made Mon 17 Feb 2014 22:15:37 GMT using RSA key ID 3E7E013F # gpg: Good signature from "Andreas Färber <afaerber@suse.de>" # gpg: aka "Andreas Färber <afaerber@suse.com>" * remotes/afaerber/tags/qom-devices-for-peter: (49 commits) qtest: Include system headers before user headers qapi: Refine human printing of sizes qdev: Use QAPI type names for properties qdev: Add enum property types to QAPI schema block: Handle "rechs" and "large" translation options qdev: Remove hex8/32/64 property types qdev: Remove most legacy printers qdev: Use human mode in "info qtree" qapi: Add human mode to StringOutputVisitor qdev: Inline qdev_prop_parse() qdev: Legacy properties are just strings qdev: Legacy properties are now read-only qdev: Remove legacy parsers for hex8/32/64 qdev: Sizes are now parsed by StringInputVisitor qapi: Add size parser to StringInputVisitor qtest: Don't segfault with invalid -qtest option ipack: Move IndustryPack out of hw/char/ ipoctal232: QOM parent field cleanup ipack: QOM parent field cleanup for IPackDevice ipack: QOM parent field cleanup for IPackBus ... Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
| * qdev: Add enum property types to QAPI schemaPaolo Bonzini2014-02-141-0/+58
| | | | | | | | | | | | | | Reviewed-by: Igor Mammedov <imammedo@redhat.com> Reviewed-by: Eric Blake <eblake@redhat.com> Signed-off-by: Paolo Bonzini <pbonzini@redhat.com> Signed-off-by: Andreas Färber <afaerber@suse.de>
* | qmp: expose list of supported character device backendsMartin Kletzander2014-02-171-0/+22
|/ | | | | | | | | Introduce 'query-chardev-backends' QMP command which lists all supported character device backends. Signed-off-by: Martin Kletzander <mkletzan@redhat.com> Reviewed-by: Eric Blake <eblake@redhat.com> Signed-off-by: Luiz Capitulino <lcapitulino@redhat.com>
* block: add native support for NFSPeter Lieven2014-02-091-0/+1
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | This patch adds native support for accessing images on NFS shares without the requirement to actually mount the entire NFS share on the host. NFS Images can simply be specified by an url of the form: nfs://<host>/<export>/<filename>[?param=value[&param2=value2[&...]]] For example: qemu-img create -f qcow2 nfs://10.0.0.1/qemu-images/test.qcow2 You need LibNFS from Ronnie Sahlberg available at: git://github.com/sahlberg/libnfs.git for this to work. During configure it is automatically probed for libnfs and support is enabled on-the-fly. You can forbid or enforce libnfs support with --disable-libnfs or --enable-libnfs respectively. Due to NFS restrictions you might need to execute your binaries as root, allow them to open priviledged ports (<1024) or specify insecure option on the NFS server. For additional information on ROOT vs. non-ROOT operation and URL format + parameters see: https://raw.github.com/sahlberg/libnfs/master/README Supported by qemu are the uid, gid and tcp-syncnt URL parameters. LibNFS currently support NFS version 3 only. Signed-off-by: Peter Lieven <pl@kamp.de> Signed-off-by: Kevin Wolf <kwolf@redhat.com>
* blkdebug: Make required alignment configurableKevin Wolf2014-01-241-0/+3
| | | | | | | | The new 'align' option of blkdebug can be used in order to emulate backends with a required 4k alignment on hosts which only really require 512 byte alignment. Signed-off-by: Kevin Wolf <kwolf@redhat.com>
* block: update block commit documentation regarding image truncationJeff Cody2014-01-241-0/+7
| | | | | | | | | | | | | | | | This updates the documentation for commiting snapshot images. Specifically, this highlights what happens when the base image is either smaller or larger than the snapshot image being committed. In the case of the base image being smaller, it is resized to the larger size of the snapshot image. In the case of the base image being larger, it is not resized automatically, but once the commit has completed it is safe for the user to truncate the base image. Signed-off-by: Jeff Cody <jcody@redhat.com> Reviewed-by: Fam Zheng <famz@redhat.com> Reviewed-by: Eric Blake <eblake@redhat.com> Signed-off-by: Kevin Wolf <kwolf@redhat.com>
* qmp: Allow to take external snapshots on bs graphs node.Benoît Canet2014-01-241-3/+10
| | | | | | Signed-off-by: Benoit Canet <benoit@irqsave.net> Reviewed-by: Fam Zheng <famz@redhat.com> Signed-off-by: Kevin Wolf <kwolf@redhat.com>
* qmp: Allow block_resize to manipulate bs graph nodes.Benoît Canet2014-01-241-2/+8
| | | | | | Signed-off-by: Benoit Canet <benoit@irqsave.net> Reviewed-by: Fam Zheng <famz@redhat.com> Signed-off-by: Kevin Wolf <kwolf@redhat.com>
* qmp: Allow to change password on named block driver states.Benoît Canet2014-01-241-2/+7
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Signed-off-by: Benoit Canet <benoit@irqsave.net> Reviewed-by: Fam Zheng <famz@redhat.com> There was two candidate ways to implement named node manipulation: 1) { 'command': 'block_passwd', 'data': {'*device': 'str', '*node-name': 'str', 'password': 'str'} } 2) { 'command': 'block_passwd', 'data': {'device': 'str', '*device-is-node': 'bool', 'password': 'str'} } Luiz proposed 1 and says 2 was an abuse of the QMP interface and proposed to rewrite the QMP block interface for 2.0. Luiz does not like in 1 the fact that 2 fields are optional but one of them must be specified leading to an abuse of the QMP semantic. Kevin argumented that 2 what a clear abuse of the device field and would not be practical when reading fast some log file because the user would read "device" and think that a device is manipulated when it's in fact a node name. Documentation of 1 make it pretty clear what to do for the user. Kevin argued that all bs are node including devices ones so 2 does not make sense. Kevin also argued that rewriting the QMP block interface would not make disapear the current one. Kevin pushed the argument that making the QAPI generator compatible with the semantic of the operation would need a rewrite that no one has done yet. A vote has been done on the list to elect the version to use and 1 won. For reference the complete thread is: "[Qemu-devel] [PATCH V4 4/7] qmp: Allow to change password on names block driver states." Signed-off-by: Benoit Canet <benoit@irqsave.net> Signed-off-by: Kevin Wolf <kwolf@redhat.com>
* qmp: Add QMP query-named-block-nodes to list the named BlockDriverState nodes.Benoît Canet2014-01-241-2/+14
| | | | | | Signed-off-by: Benoit Canet <benoit@irqsave.net> Reviewed-by: Fam Zheng <famz@redhat.com> Signed-off-by: Kevin Wolf <kwolf@redhat.com>
* block: Allow the user to define "node-name" option both on command line and QMP.Benoît Canet2014-01-241-0/+2
| | | | | Signed-off-by: Benoit Canet <benoit@irqsave.net> Signed-off-by: Kevin Wolf <kwolf@redhat.com>
* qapi: Add "backing" to BlockStatsFam Zheng2014-01-241-4/+6
| | | | | | | | | | | | Currently there is no way to query BlockStats of the backing chain. This adds "backing" field into BlockStats to make it possible. The comment of "parent" is reworded. Signed-off-by: Fam Zheng <famz@redhat.com> Reviewed-by: Benoit Canet <benoit@irqsave.net> Reviewed-by: Eric Blake <eblake@redhat.com> Signed-off-by: Kevin Wolf <kwolf@redhat.com>
* qapi: QMP interface for blkdebug and blkverifyMax Reitz2014-01-221-4/+109
| | | | | | | Add structures to support blkdebug and blkverify in blockdev-add. Signed-off-by: Max Reitz <mreitz@redhat.com> Signed-off-by: Kevin Wolf <kwolf@redhat.com>
* Merge remote branch 'luiz/queue/qmp' into qmpqEdgar E. Iglesias2014-01-141-0/+34
|\ | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | * luiz/queue/qmp: migration: qmp_migrate(): keep working after syntax error qerror: Remove assert_no_error() qemu-option: Remove qemu_opts_create_nofail target-i386: Remove assert_no_error usage hw: Remove assert_no_error usages qdev: Delete dead code error: Add error_abort monitor: add object-add (QMP) and object_add (HMP) command monitor: add object-del (QMP) and object_del (HMP) command qom: catch errors in object_property_add_child qom: fix leak for objects created with -object rng: initialize file descriptor to -1 qemu-monitor: HMP cpu-add wrapper vl: add missing transition debug->finish_migrate Message-Id: 1389045795-18706-1-git-send-email-lcapitulino@redhat.com Signed-off-by: Edgar E. Iglesias <edgar.iglesias@xilinx.com>
| * monitor: add object-add (QMP) and object_add (HMP) commandPaolo Bonzini2014-01-061-0/+20
| | | | | | | | | | | | | | | | | | | | | | | | Add two commands that are the monitor counterparts of -object. The commands have the same Visitor-based implementation, but use different kinds of visitors so that the HMP command has a DWIM string-based syntax, while the QMP variant accepts a stricter JSON-based properties dictionary. Signed-off-by: Paolo Bonzini <pbonzini@redhat.com> Reviewed-by: Igor Mammedov <imammedo@redhat.com> Tested-by: Igor Mammedov <imammedo@redhat.com> Signed-off-by: Luiz Capitulino <lcapitulino@redhat.com>
| * monitor: add object-del (QMP) and object_del (HMP) commandPaolo Bonzini2014-01-061-0/+14
| | | | | | | | | | | | | | | | | | These two commands invoke the "unparent" method of Object. Signed-off-by: Paolo Bonzini <pbonzini@redhat.com> Reviewed-by: Igor Mammedov <imammedo@redhat.com> Tested-by: Igor Mammedov <imammedo@redhat.com> Signed-off-by: Luiz Capitulino <lcapitulino@redhat.com>
* | commit: Support commit active layerFam Zheng2013-12-201-2/+3
| | | | | | | | | | | | | | | | | | | | If active is top, it will be mirrored to base, (with block/mirror.c code), then the image is switched when user completes the block job. QMP documentation is updated. Signed-off-by: Fam Zheng <famz@redhat.com> Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
* | qapi-schema: fix QEMU 1.8 referencesStefan Hajnoczi2013-12-201-1/+1
|/ | | | | | | | | | | | We are moving boldly on to QEMU 2.0 in the next release. Some patches written at a time where we assumed 1.8 would be the next version number managed to sneak in. s/1.8/2.0/ in qapi-schema.json Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com> Reviewed-by: Fam Zheng <famz@redhat.com> Reviewed-by: Eric Blake <eblake@redhat.com>
* qapi-schema.json: Change 1.8 reference to 2.0Kevin Wolf2013-12-131-1/+1
| | | | | Reviewed-by: Eric Blake <eblake@redhat.com> Signed-off-by: Kevin Wolf <kwolf@redhat.com>
* net: Adding netmap network backendVincenzo Maffione2013-12-091-1/+23
| | | | | | | | | | | | | | | | | | | | | | | This patch adds support for a network backend based on netmap. netmap is a framework for high speed packet I/O. You can use it to build extremely fast traffic generators, monitors, software switches or network middleboxes. Its companion software switch VALE lets you interconnect virtual machines. netmap and VALE are implemented as a non-intrusive kernel module, support NICs from multiple vendors, are part of standard FreeBSD distributions and available in source format for Linux too. To compile QEMU with netmap support, use the following configure options: ./configure [...] --enable-netmap --extra-cflags=-I/path/to/netmap/sys where "/path/to/netmap" contains the netmap source code, available at http://info.iet.unipi.it/~luigi/netmap/ The same webpage contains more information about the netmap project (together with papers and presentations). Signed-off-by: Vincenzo Maffione <v.maffione@gmail.com> Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
* qapi: Change BlockDirtyInfo to listFam Zheng2013-11-291-3/+3
| | | | | | | | We have multiple dirty bitmaps in BDS now, switch QAPI to allow query it (BlockInfo.dirty_bitmaps), and also drop old BlockInfo.dirty. Signed-off-by: Fam Zheng <famz@redhat.com> Signed-off-by: Kevin Wolf <kwolf@redhat.com>
* qapi-schema: Update description for NewImageModeMax Reitz2013-11-141-1/+2
| | | | | | | | | | | | If the NewImageMode is "absolute-paths" but no backing file is available (e.g., when mirroring a device with an unbacked image), the target image will not be backed either. This patch updates the documentation in qapi-schema.json accordingly. Signed-off-by: Max Reitz <mreitz@redhat.com> Reviewed-by: Eric Blake <eblake@redhat.com> Reviewed-by: Benoit Canet <benoit@irqsave.net> Signed-off-by: Kevin Wolf <kwolf@redhat.com>
* qapi: Fix comment for create-type to match code.Fam Zheng2013-11-071-1/+1
| | | | | | Signed-off-by: Fam Zheng <famz@redhat.com> Reviewed-by: Eric Blake <eblake@redhat.com> Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
* Merge remote-tracking branch 'kwolf/tags/for-anthony' into stagingAnthony Liguori2013-10-311-2/+26
|\ | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Block patches for 1.7.0-rc0 (v2) # gpg: Signature made Thu 31 Oct 2013 04:44:39 PM CET using RSA key ID C88F2FD6 # gpg: Can't check signature: public key not found * kwolf/tags/for-anthony: (30 commits) vmdk: Implment bdrv_get_specific_info qapi: Add optional field 'compressed' to ImageInfo qemu-iotests: prefill some data to test image sheepdog: check simultaneous create in resend_aioreq sheepdog: cancel aio requests if possible sheepdog: make add_aio_request and send_aioreq void functions sheepdog: try to reconnect to sheepdog after network error coroutine: add co_aio_sleep_ns() to allow sleep in block drivers sheepdog: reload inode outside of resend_aioreq sheepdog: handle vdi objects in resend_aio_req sheepdog: check return values of qemu_co_recv/send correctly qemu-iotests: Test case for backing file deletion qemu-iotests: drop duplicated "create_image" qemu-iotests: Fix 051 reference output block: Avoid unecessary drv->bdrv_getlength() calls block: Disable BDRV_O_COPY_ON_READ for the backing file ahci: fix win7 hang on boot sheepdog: pass copy_policy in the request sheepdog: explicitly set copies as type uint8_t block: Don't copy backing file name on error ... Message-id: 1383064269-27720-1-git-send-email-kwolf@redhat.com Signed-off-by: Anthony Liguori <anthony@codemonkey.ws>
| * vmdk: Implment bdrv_get_specific_infoFam Zheng2013-10-311-1/+23
| | | | | | | | | | | | | | Implement .bdrv_get_specific_info to return the extent information. Signed-off-by: Fam Zheng <famz@redhat.com> Signed-off-by: Kevin Wolf <kwolf@redhat.com>
| * qapi: Add optional field 'compressed' to ImageInfoFam Zheng2013-10-301-1/+3
| | | | | | | | | | | | Signed-off-by: Fam Zheng <famz@redhat.com> Reviewed-by: Eric Blake <eblake@redhat.com> Signed-off-by: Kevin Wolf <kwolf@redhat.com>
* | misc: Spelling and grammar fixes in commentsStefan Weil2013-10-261-1/+1
|/ | | | | | | | | | * it's -> its * grammar fix in ui/vnc-enc-zywrle.h Signed-off-by: Stefan Weil <sw@weilnetz.de> Reviewed-by: Don Koch <dkoch@verizon.com> Reviewed-by: Peter Maydell <peter.maydell@linaro.org> Signed-off-by: Michael Tokarev <mjt@tls.msk.ru>
* blockdev: 'blockdev-add' QMP commandKevin Wolf2013-10-111-0/+236
| | | | | | For examples see the changes to qmp-commands.hx. Signed-off-by: Kevin Wolf <kwolf@redhat.com>
* qcow2: Add support for ImageInfoSpecificMax Reitz2013-10-111-0/+16
| | | | | | | | | | | | Add a new ImageInfoSpecificQCow2 type as a subtype of ImageInfoSpecific. This contains the compatibility level as a string and an optional lazy_refcounts boolean (optional means mandatory for compat >= 1.1 and not available for compat == 0.10). Also, add qcow2_get_specific_info, which returns this information. Signed-off-by: Max Reitz <mreitz@redhat.com> Signed-off-by: Kevin Wolf <kwolf@redhat.com>
* qapi: Add ImageInfoSpecific typeMax Reitz2013-10-111-1/+17
| | | | | | | | | Add a new type ImageInfoSpecific as a union for image format specific information in ImageInfo. Signed-off-by: Max Reitz <mreitz@redhat.com> Reviewed-by: Eric Blake <eblake@redhat.com> Signed-off-by: Kevin Wolf <kwolf@redhat.com>
* qapi: Introduce enum BlockJobTypeFam Zheng2013-10-111-0/+18
| | | | | | | | | This will replace the open coded block job type string for mirror, commit and backup. Signed-off-by: Fam Zheng <famz@redhat.com> Reviewed-by: Eric Blake <eblake@redhat.com> Signed-off-by: Kevin Wolf <kwolf@redhat.com>
* qmp: add interface blockdev-snapshot-delete-internal-syncWenchao Xia2013-09-121-0/+27
| | | | | | | | | | | | | This interface use id and name as optional parameters, to handle the case that one image contain multiple snapshots with same name which may be '', but with different id. Adding parameter id is for historical compatiability reason, and that case is not possible in qemu's new interface for internal snapshot at block device level, but still possible in qemu-img. Signed-off-by: Wenchao Xia <xiawenc@linux.vnet.ibm.com> Signed-off-by: Kevin Wolf <kwolf@redhat.com>
* qmp: add interface blockdev-snapshot-internal-syncWenchao Xia2013-09-121-0/+20
| | | | | | | Snapshot ID can't be specified in this interface. Signed-off-by: Wenchao Xia <xiawenc@linux.vnet.ibm.com> Signed-off-by: Kevin Wolf <kwolf@redhat.com>
* qmp: add internal snapshot support in qmp_transactionWenchao Xia2013-09-121-1/+18
| | | | | | | | | | | | | | | | | | Unlike savevm, the qmp_transaction interface will not generate snapshot name automatically, saving trouble to return information of the new created snapshot. Although qcow2 support storing multiple snapshots with same name but different ID, here it will fail when an snapshot with that name already exist before the operation. Format such as rbd do not support ID at all, and in most case, it means trouble to user when he faces multiple snapshots with same name, so ban that case. Request with empty name will be rejected. Snapshot ID can't be specified in this interface. Signed-off-by: Wenchao Xia <xiawenc@linux.vnet.ibm.com> Signed-off-by: Kevin Wolf <kwolf@redhat.com>
* docs, qapi: document qemu-img mapPaolo Bonzini2013-09-061-0/+29
| | | | | | | | Eric Blake also requested including the output in qapi-schema.json, so that it is published through the introspection mechanism. Signed-off-by: Paolo Bonzini <pbonzini@redhat.com> Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
* block: Add iops_size to do the iops accounting for a given io size.Benoît Canet2013-09-061-2/+8
| | | | | | | | This feature can be used in case where users are avoiding the iops limit by doing jumbo I/Os hammering the storage backend. Signed-off-by: Benoit Canet <benoit@irqsave.net> Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
* block: Add support for throttling burst max in QMP and the command line.Benoît Canet2013-09-061-2/+32
| | | | | | | | | | The max parameter of the leaky bucket throttling algorithm can be used to allow the guest to do bursts. The max value is a pool of I/O that the guest can use without being throttled at all. Throttling is triggered once this pool is empty. Signed-off-by: Benoit Canet <benoit@irqsave.net> Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
* qapi: Rename ChardevBackend member "memory" to "ringbuf"Markus Armbruster2013-07-291-2/+4
| | | | | | | | | | | | | | Commit 1da48c6 called the new member "memory" after commit 3949e59 standardized "ringbuf". Rename for consistency. However, member name "memory" is visible in QMP since 1.5. It's undocumented just like the driver name. Keep it working anyway. Cc: qemu-stable@nongnu.org Signed-off-by: Markus Armbruster <armbru@redhat.com> Reviewed-by: Eric Blake <eblake@redhat.com> Message-id: 1374849874-25531-4-git-send-email-armbru@redhat.com Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
* Revert "chardev: Make the name of memory device consistent"Markus Armbruster2013-07-291-3/+3
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | This reverts commit 6a85e60cb994bd95d1537aafbff65816f3de4637. Commit 51767e7 "qemu-char: Add new char backend CirMemCharDriver" introduced a memory ring buffer character device driver named "memory". Commit 3949e59 "qemu-char: Saner naming of memchar stuff & doc fixes" changed the driver name to "ringbuf", along with a whole bunch of other names, with the following rationale: 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. This is what we released in 1.4.0. Unfortunately, the rename missed a critical instance of "memory": the actual driver name. Thus, the new device could be used only by an entirely undocumented name. The documented name did not work. Bummer. Commit 6a85e60 fixes this by changing the documentation to match the code. It also changes some, but not all related occurences of "ringbuf" to "memory". Left alone are identifiers in C code, HMP and QMP commands. The latter are external interface, so they can't be changed. The result is an inconsistent mess. Moreover, "memory" is a rotten name. The device's distinctive property is that it's a ring buffer, not that's in memory. User's don't care whether it's in RAM, flash, or carved into chocolate tablets by Oompa Loompas. Revert the commit. Next commit will fix just the bug. Cc: qemu-stable@nongnu.org Signed-off-by: Markus Armbruster <armbru@redhat.com> Reviewed-by: Eric Blake <eblake@redhat.com> Message-id: 1374849874-25531-2-git-send-email-armbru@redhat.com Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
* migration: add autoconvergence documentationJuan Quintela2013-07-231-0/+3
| | | | | | | This hunk got lost during merge. It is documentation. Spotted-by: Peter Lieven <lieven-lists@dlhnet.de> Signed-off-by: Juan Quintela <quintela@redhat.com>
* rdma: account for the time spent in MIG_STATE_SETUP through QMPMichael R. Hines2013-07-231-1/+8
| | | | | | | | | | | Using the previous patches, we're now able to timestamp the SETUP state. Once we have this time, let the user know about it in the schema. Reviewed-by: Juan Quintela <quintela@redhat.com> Reviewed-by: Eric Blake <eblake@redhat.com> Signed-off-by: Michael R. Hines <mrhines@us.ibm.com> Signed-off-by: Juan Quintela <quintela@redhat.com>
* block-migration: efficiently encode zero blocksPeter Lieven2013-07-191-1/+7
| | | | | | | | | | | | this patch adds a efficient encoding for zero blocks by adding a new flag indicating a block is completely zero. additionally bdrv_write_zeros() is used at the destination to efficiently write these zeroes. depending on the implementation this avoids that the destination target gets fully provisioned. Signed-off-by: Peter Lieven <pl@kamp.de> Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
* Merge remote-tracking branch 'mst/tags/for_anthony' into stagingAnthony Liguori2013-07-181-0/+76
|\ | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | 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>
| * net: add support of mac-programming over macvtap in QEMU sideAmos Kong2013-07-151-0/+76
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | 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>
* | Merge remote-tracking branch 'quintela/migration.next' into stagingAnthony Liguori2013-07-151-1/+1
|\ \ | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | # By Chegu Vinod # Via Juan Quintela * quintela/migration.next: Force auto-convegence of live migration Add 'auto-converge' migration capability Introduce async_run_on_cpu() Message-id: 1373664508-5404-1-git-send-email-quintela@redhat.com Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
| * | Add 'auto-converge' migration capabilityChegu Vinod2013-07-121-1/+1
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | The auto-converge migration capability allows the user to specify if they choose live migration seqeunce to automatically detect and force convergence. Signed-off-by: Chegu Vinod <chegu_vinod@hp.com> Reviewed-by: Paolo Bonzini <pbonzini@redhat.com> Reviewed-by: Eric Blake <eblake@redhat.com> Signed-off-by: Juan Quintela <quintela@redhat.com>
* | | blockdev: add sync mode to drive-backup QMP commandStefan Hajnoczi2013-07-151-1/+6
|/ / | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | 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>
* | qapi-schema: Use existing type for drive-backup argumentsKevin Wolf2013-07-101-30/+2Star
| | | | | | | | | | | | | | | | | | This removes duplicated definitions and documentation by reusing the existing data type. Signed-off-by: Kevin Wolf <kwolf@redhat.com> Reviewed-by: Eric Blake <eblake@redhat.com> Signed-off-by: Luiz Capitulino <lcapitulino@redhat.com>
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