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2019-04-02qapi/migration.json: Rename COLOStatus last_mode to last-modeZhang Chen
Signed-off-by: Zhang Chen <chen.zhang@intel.com> Message-Id: <20190402085521.17973-1-chen.zhang@intel.com> Reviewed-by: Markus Armbruster <armbru@redhat.com> [Commit message rephrased] Signed-off-by: Markus Armbruster <armbru@redhat.com>
2019-04-02qapi/migration.json: Fix ColoStatus member last_mode's versionZhang Chen
Signed-off-by: Zhang Chen <chen.zhang@intel.com> Message-Id: <20190326174510.13303-1-chen.zhang@intel.com> Reviewed-by: Eric Blake <eblake@redhat.com> [Commit message tweaked as per Eric's review] Signed-off-by: Markus Armbruster <armbru@redhat.com>
2019-03-26Merge remote-tracking branch 'remotes/armbru/tags/pull-misc-2019-03-26' into ↵Peter Maydell
staging Miscellaneous patches for 2019-03-26 # gpg: Signature made Tue 26 Mar 2019 07:10:23 GMT # gpg: using RSA key 3870B400EB918653 # gpg: Good signature from "Markus Armbruster <armbru@redhat.com>" [full] # gpg: aka "Markus Armbruster <armbru@pond.sub.org>" [full] # Primary key fingerprint: 354B C8B3 D7EB 2A6B 6867 4E5F 3870 B400 EB91 8653 * remotes/armbru/tags/pull-misc-2019-03-26: qapi/qmp-dispatch: fix return value in do_qmp_dispatch json: Fix off-by-one assert check in next_state() xen-block: Replace qdict_put_obj() by qdict_put() where appropriate util/error: Remove an unnecessary NULL check Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2019-03-26qapi/qmp-dispatch: fix return value in do_qmp_dispatchVladimir Sementsov-Ogievskiy
There are no harm but just looks weird to return bool in pointer-returning function. Introduced in 69240fe62d1 with the whole failure-checking "if" chunk. Signed-off-by: Vladimir Sementsov-Ogievskiy <vsementsov@virtuozzo.com> Message-Id: <20190325154748.66381-1-vsementsov@virtuozzo.com> Reviewed-by: Eric Blake <eblake@redhat.com> Reviewed-by: Markus Armbruster <armbru@redhat.com> Signed-off-by: Markus Armbruster <armbru@redhat.com>
2019-03-25Merge remote-tracking branch ↵Peter Maydell
'remotes/juanquintela/tags/migration-pull-request' into staging Pull request - Rebase last pull request - Drop multifd - several other minor fixesLaLaLa # gpg: Signature made Mon 25 Mar 2019 17:46:29 GMT # gpg: using RSA key F487EF185872D723 # gpg: Good signature from "Juan Quintela <quintela@redhat.com>" [full] # gpg: aka "Juan Quintela <quintela@trasno.org>" [full] # Primary key fingerprint: 1899 FF8E DEBF 58CC EE03 4B82 F487 EF18 5872 D723 * remotes/juanquintela/tags/migration-pull-request: migration/postcopy: Update the bandwidth during postcopy Migration/colo.c: Make user obtain the last COLO mode info after failover Migration/colo.c: Add the necessary checks for colo_do_failover Migration/colo.c: Add new COLOExitReason to handle all failover state Migration/colo.c: Fix COLO failover status error migration/rdma: Check qemu_rdma_init_one_block migration: add support for a "tls-authz" migration parameter multifd: Drop x- multifd: Add some padding multifd: Change default packet size multifd: Be flexible about packet size multifd: Drop x-multifd-page-count parameter multifd: Create new next_packet_size field multifd: Rename "size" member to pages_alloc multifd: Only send pages when packet are not empty Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2019-03-25Migration/colo.c: Make user obtain the last COLO mode info after failoverZhang Chen
Add the last_colo_mode to save the status after failover. This patch can solve the issue that user want to get last colo mode use query_colo_status after failover. Signed-off-by: Zhang Chen <chen.zhang@intel.com> Reviewed-by: Juan Quintela <quintela@redhat.com> Signed-off-by: Juan Quintela <quintela@redhat.com>
2019-03-25Migration/colo.c: Add new COLOExitReason to handle all failover stateZhang Chen
In this patch we add the processing state for COLOExitReason, because we have to identify COLO in the failover processing state or failover error state. In the way, we can handle all the failover state. We have improved the description of the COLOExitReason by the way. Signed-off-by: Zhang Chen <chen.zhang@intel.com> Reviewed-by: Dr. David Alan Gilbert <dgilbert@redhat.com> Reviewed-by: Juan Quintela <quintela@redhat.com> Signed-off-by: Juan Quintela <quintela@redhat.com>
2019-03-25migration: add support for a "tls-authz" migration parameterDaniel P. Berrange
The QEMU instance that runs as the server for the migration data transport (ie the target QEMU) needs to be able to configure access control so it can prevent unauthorized clients initiating an incoming migration. This adds a new 'tls-authz' migration parameter that is used to provide the QOM ID of a QAuthZ subclass instance that provides the access control check. This is checked against the x509 certificate obtained during the TLS handshake. For example, when starting a QEMU for incoming migration, it is possible to give an example identity of the source QEMU that is intended to be connecting later: $QEMU \ -monitor stdio \ -incoming defer \ ...other args... (qemu) object_add tls-creds-x509,id=tls0,dir=/home/berrange/qemutls,\ endpoint=server,verify-peer=yes \ (qemu) object_add authz-simple,id=auth0,identity=CN=laptop.example.com,,\ O=Example Org,,L=London,,ST=London,,C=GB \ (qemu) migrate_incoming tcp:localhost:9000 Reviewed-by: Juan Quintela <quintela@redhat.com> Signed-off-by: Daniel P. Berrange <berrange@redhat.com> Signed-off-by: Juan Quintela <quintela@redhat.com>
2019-03-25multifd: Drop x-Juan Quintela
We make it supported from now on. Reviewed-by: Dr. David Alan Gilbert <dgilbert@redhat.com> Reviewed-by: Markus Armbruster <armbru@redhat.com> Signed-off-by: Juan Quintela <quintela@redhat.com>
2019-03-25multifd: Drop x-multifd-page-count parameterJuan Quintela
Libvirt don't want to expose (and explain it). From now on we measure the number of packages in bytes instead of pages, so it is the same independently of architecture. We choose the page size of x86. Notice that in the following patch we make this variable. Signed-off-by: Juan Quintela <quintela@redhat.com> Reviewed-by: Dr. David Alan Gilbert <dgilbert@redhat.com> Reviewed-by: Markus Armbruster <armbru@redhat.com> Signed-off-by: Juan Quintela <quintela@redhat.com>
2019-03-22trace-events: Shorten file names in commentsMarkus Armbruster
We spell out sub/dir/ in sub/dir/trace-events' comments pointing to source files. That's because when trace-events got split up, the comments were moved verbatim. Delete the sub/dir/ part from these comments. Gets rid of several misspellings. Signed-off-by: Markus Armbruster <armbru@redhat.com> Reviewed-by: Philippe Mathieu-Daudé <philmd@redhat.com> Message-id: 20190314180929.27722-3-armbru@redhat.com Message-Id: <20190314180929.27722-3-armbru@redhat.com> Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
2019-03-22trace-events: Consistently point to docs/devel/tracing.txtMarkus Armbruster
Almost all trace-events point to docs/devel/tracing.txt in a comment right at the beginning. Touch up the ones that don't. [Updated with Markus' new commit description wording. --Stefan] Signed-off-by: Markus Armbruster <armbru@redhat.com> Reviewed-by: Philippe Mathieu-Daudé <philmd@redhat.com> Message-id: 20190314180929.27722-2-armbru@redhat.com Message-Id: <20190314180929.27722-2-armbru@redhat.com> Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
2019-03-19qapi: fix block-latency-histogram-set description and examplesVladimir Sementsov-Ogievskiy
There no @device parameter, only the @id one. Signed-off-by: Vladimir Sementsov-Ogievskiy <vsementsov@virtuozzo.com> Reviewed-by: Eric Blake <eblake@redhat.com> Signed-off-by: Kevin Wolf <kwolf@redhat.com>
2019-03-18qmp: common 'id' handling & make QGA conform to QMP specMarc-André Lureau
Let qmp_dispatch() copy the 'id' field. That way any qmp client will conform to the specification, including QGA. Furthermore, it simplifies the work for qemu monitor. CC: Michael Roth <mdroth@linux.vnet.ibm.com> Signed-off-by: Marc-André Lureau <marcandre.lureau@redhat.com> Reviewed-by: Markus Armbruster <armbru@redhat.com> Signed-off-by: Michael Roth <mdroth@linux.vnet.ibm.com>
2019-03-18audio/paaudio: prolong and make latency configurableMartin Schrodt
The latency of a connection to the PulseAudio server is determined by the tlength parameter. This was hardcoded to 10ms, which is a bit too tight on my machine, causing audio on host and guest to malfunction. A setting of 15ms works fine here. To allow tweaking, I also made the setting configurable via the new -audiodev config. This allows to squeeze out better timings in scenarios where the emulation allows it. I also removed setting of the minreq parameter to (seemingly arbitrary) half the latency, since it showed worse audio quality during my tests. Allowing PulseAudio to request smaller chunks helped. Signed-off-by: Martin Schrodt <martin@schrodt.org> Message-id: 20190315084653.120020-3-martin@schrodt.org Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
2019-03-14Merge remote-tracking branch 'remotes/stefanha/tags/block-pull-request' into ↵Peter Maydell
staging Pull request * Add 'drop-cache=on|off' option to file-posix.c. The default is on. Disabling the option fixes a QEMU 3.0.0 performance regression when live migrating on the same host with cache.direct=off. # gpg: Signature made Wed 13 Mar 2019 11:07:48 GMT # gpg: using RSA key 9CA4ABB381AB73C8 # gpg: Good signature from "Stefan Hajnoczi <stefanha@redhat.com>" [full] # gpg: aka "Stefan Hajnoczi <stefanha@gmail.com>" [full] # Primary key fingerprint: 8695 A8BF D3F9 7CDA AC35 775A 9CA4 ABB3 81AB 73C8 * remotes/stefanha/tags/block-pull-request: file-posix: add drop-cache=on|off option Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2019-03-13Merge remote-tracking branch 'remotes/kraxel/tags/ui-20190313-pull-request' ↵Peter Maydell
into staging ui: better unicode support for curses, v2. # gpg: Signature made Wed 13 Mar 2019 07:29:44 GMT # gpg: using RSA key 4CB6D8EED3E87138 # gpg: Good signature from "Gerd Hoffmann (work) <kraxel@redhat.com>" [full] # gpg: aka "Gerd Hoffmann <gerd@kraxel.org>" [full] # gpg: aka "Gerd Hoffmann (private) <kraxel@gmail.com>" [full] # Primary key fingerprint: A032 8CFF B93A 17A7 9901 FE7D 4CB6 D8EE D3E8 7138 * remotes/kraxel/tags/ui-20190313-pull-request: curses: add option to specify VGA font encoding iconv: detect and make curses depend on it Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2019-03-13Merge remote-tracking branch 'remotes/jnsnow/tags/bitmaps-pull-request' into ↵Peter Maydell
staging Pull request # gpg: Signature made Tue 12 Mar 2019 20:23:08 GMT # gpg: using RSA key F9B7ABDBBCACDF95BE76CBD07DEF8106AAFC390E # gpg: Good signature from "John Snow (John Huston) <jsnow@redhat.com>" [full] # Primary key fingerprint: FAEB 9711 A12C F475 812F 18F2 88A9 064D 1835 61EB # Subkey fingerprint: F9B7 ABDB BCAC DF95 BE76 CBD0 7DEF 8106 AAFC 390E * remotes/jnsnow/tags/bitmaps-pull-request: (22 commits) tests/qemu-iotests: add bitmap resize test 246 block/qcow2-bitmap: Allow resizes with persistent bitmaps block/qcow2-bitmap: Don't check size for IN_USE bitmap docs/interop/qcow2: Improve bitmap flag in_use specification bitmaps: Fix typo in function name block/dirty-bitmaps: implement inconsistent bit block/dirty-bitmaps: disallow busy bitmaps as merge source block/dirty-bitmaps: prohibit removing readonly bitmaps block/dirty-bitmaps: prohibit readonly bitmaps for backups block/dirty-bitmaps: add block_dirty_bitmap_check function block/dirty-bitmap: add inconsistent status block/dirty-bitmaps: add inconsistent bit iotests: add busy/recording bit test to 124 blockdev: remove unused paio parameter documentation block/dirty-bitmaps: move comment block block/dirty-bitmaps: unify qmp_locked and user_locked calls block/dirty-bitmap: explicitly lock bitmaps with successors nbd: change error checking order for bitmaps block/dirty-bitmap: change semantics of enabled predicate block/dirty-bitmap: remove set/reset assertions against enabled bit ... Signed-off-by: Peter Maydell <peter.maydell@linaro.org> # Conflicts: # tests/qemu-iotests/group
2019-03-13Merge remote-tracking branch 'remotes/kevin/tags/for-upstream' into stagingPeter Maydell
Block layer patches: - file-posix: Make auto-read-only dynamic - Add x-blockdev-reopen QMP command - Finalize block-latency-histogram QMP command - gluster: Build fixes for newer lib version # gpg: Signature made Tue 12 Mar 2019 19:30:31 GMT # gpg: using RSA key 7F09B272C88F2FD6 # gpg: Good signature from "Kevin Wolf <kwolf@redhat.com>" [full] # Primary key fingerprint: DC3D EB15 9A9A F95D 3D74 56FE 7F09 B272 C88F 2FD6 * remotes/kevin/tags/for-upstream: (28 commits) qemu-iotests: Test the x-blockdev-reopen QMP command block: Add an 'x-blockdev-reopen' QMP command block: Remove the AioContext parameter from bdrv_reopen_multiple() block: Add bdrv_reset_options_allowed() block: Add a 'mutable_opts' field to BlockDriver block: Allow changing the backing file on reopen block: Allow omitting the 'backing' option in certain cases block: Handle child references in bdrv_reopen_queue() block: Add 'keep_old_opts' parameter to bdrv_reopen_queue() block: Freeze the backing chain for the duration of the stream job block: Freeze the backing chain for the duration of the mirror job block: Freeze the backing chain for the duration of the commit job block: Allow freezing BdrvChild links nvme: fix write zeroes offset and count file-posix: Make auto-read-only dynamic file-posix: Prepare permission code for fd switching file-posix: Lock new fd in raw_reopen_prepare() file-posix: Store BDRVRawState.reopen_state during reopen file-posix: Factor out raw_reconfigure_getfd() file-posix: Fix bdrv_open_flags() for snapshot=on ... Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2019-03-13file-posix: add drop-cache=on|off optionStefan Hajnoczi
Commit dd577a26ff03b6829721b1ffbbf9e7c411b72378 ("block/file-posix: implement bdrv_co_invalidate_cache() on Linux") introduced page cache invalidation so that cache.direct=off live migration is safe on Linux. The invalidation takes a significant amount of time when the file is large and present in the page cache. Normally this is not the case for cross-host live migration but it can happen when migrating between QEMU processes on the same host. On same-host migration we don't need to invalidate pages for correctness anyway, so an option to skip page cache invalidation is useful. I investigated optimizing invalidation and detecting same-host migration, but both are hard to achieve so a user-visible option will suffice. As a bonus this option means that the cache invalidation feature will now be detectable by libvirt via QMP schema introspection. Suggested-by: Neil Skrypuch <neil@tembosocial.com> Tested-by: Neil Skrypuch <neil@tembosocial.com> Reviewed-by: Stefano Garzarella <sgarzare@redhat.com> Reviewed-by: Eric Blake <eblake@redhat.com> Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com> Message-id: 20190307164941.3322-1-stefanha@redhat.com Message-Id: <20190307164941.3322-1-stefanha@redhat.com> Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
2019-03-13curses: add option to specify VGA font encodingSamuel Thibault
This uses iconv to convert glyphs from the specified VGA font encoding to unicode, and makes use of cchar_t instead of chtype when using ncursesw, which allows to store all wide char as well as the WACS values. The default charset is made CP437 since that is the charset of the hardware default VGA font. This also makes the curses backend set the LC_CTYPE locale to "" to allow curses to emit wide characters. Signed-off-by: Samuel Thibault <samuel.thibault@ens-lyon.org> Cc: Eddie Kohler <ekohler@gmail.com> Acked-by: Markus Armbruster <armbru@redhat.com> Message-Id: <20190311135127.2229-3-samuel.thibault@ens-lyon.org> Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
2019-03-12block: Add an 'x-blockdev-reopen' QMP commandAlberto Garcia
This command allows reopening an arbitrary BlockDriverState with a new set of options. Some options (e.g node-name) cannot be changed and some block drivers don't allow reopening, but otherwise this command is modelled after 'blockdev-add' and the state of the reopened BlockDriverState should generally be the same as if it had just been added by 'blockdev-add' with the same set of options. One notable exception is the 'backing' option: 'x-blockdev-reopen' requires that it is always present unless the BlockDriverState in question doesn't have a current or default backing file. This command allows reconfiguring the graph by using the appropriate options to change the children of a node. At the moment it's possible to change a backing file by setting the 'backing' option to the name of the new node, but it should also be possible to add a similar functionality to other block drivers (e.g. Quorum, blkverify). Although the API is unlikely to change, this command is marked experimental for the time being so there's room to see if the semantics need changes. Signed-off-by: Alberto Garcia <berto@igalia.com> Signed-off-by: Kevin Wolf <kwolf@redhat.com>
2019-03-12qapi: drop x- from x-block-latency-histogram-setVladimir Sementsov-Ogievskiy
Drop x- and x_ prefixes for latency histograms and update version to 4.0 Signed-off-by: Vladimir Sementsov-Ogievskiy <vsementsov@virtuozzo.com> Signed-off-by: Kevin Wolf <kwolf@redhat.com>
2019-03-12Merge remote-tracking branch ↵Peter Maydell
'remotes/kraxel/tags/audio-20190312-pull-request' into staging audio: introduce -audiodev # gpg: Signature made Tue 12 Mar 2019 07:12:19 GMT # gpg: using RSA key 4CB6D8EED3E87138 # gpg: Good signature from "Gerd Hoffmann (work) <kraxel@redhat.com>" [full] # gpg: aka "Gerd Hoffmann <gerd@kraxel.org>" [full] # gpg: aka "Gerd Hoffmann (private) <kraxel@gmail.com>" [full] # Primary key fingerprint: A032 8CFF B93A 17A7 9901 FE7D 4CB6 D8EE D3E8 7138 * remotes/kraxel/tags/audio-20190312-pull-request: audio: -audiodev command line option: cleanup wavaudio: port to -audiodev config spiceaudio: port to -audiodev config sdlaudio: port to -audiodev config paaudio: port to -audiodev config ossaudio: port to -audiodev config noaudio: port to -audiodev config dsoundaudio: port to -audiodev config coreaudio: port to -audiodev config alsaaudio: port to -audiodev config audio: -audiodev command line option basic implementation audio: -audiodev command line option: documentation audio: use qapi AudioFormat instead of audfmt_e qapi: qapi for audio backends Signed-off-by: Peter Maydell <peter.maydell@linaro.org> # Conflicts: # qemu-deprecated.texi
2019-03-12block/dirty-bitmap: add inconsistent statusJohn Snow
Even though the status field is deprecated, we still have to support it for a few more releases. Since this is a very new kind of bitmap state, it makes sense for it to have its own status field. Reviewed-by: Eric Blake <eblake@redhat.com> Signed-off-by: John Snow <jsnow@redhat.com> Reviewed-by: Vladimir Sementsov-Ogievskiy <vsementsov@virtuozzo.com> Message-id: 20190301191545.8728-3-jsnow@redhat.com Signed-off-by: John Snow <jsnow@redhat.com>
2019-03-12block/dirty-bitmaps: add inconsistent bitJohn Snow
Add an inconsistent bit to dirty-bitmaps that allows us to report a bitmap as persistent but potentially inconsistent, i.e. if we find bitmaps on a qcow2 that have been marked as "in use". Signed-off-by: John Snow <jsnow@redhat.com> Reviewed-by: Eric Blake <eblake@redhat.com> Reviewed-by: Vladimir Sementsov-Ogievskiy <vsementsov@virtuozzo.com> Message-id: 20190301191545.8728-2-jsnow@redhat.com Signed-off-by: John Snow <jsnow@redhat.com>
2019-03-12block/dirty-bitmap: add recording and busy propertiesJohn Snow
The current API allows us to report a single status, which we've defined as: Frozen: has a successor, treated as qmp_locked, may or may not be enabled. Locked: no successor, qmp_locked. may or may not be enabled. Disabled: Not frozen or locked, disabled. Active: Not frozen, locked, or disabled. The problem is that both "Frozen" and "Locked" mean nearly the same thing, and that both of them do not intuit whether they are recording guest writes or not. This patch deprecates that status field and introduces two orthogonal properties instead to replace it. Signed-off-by: John Snow <jsnow@redhat.com> Reviewed-by: Eric Blake <eblake@redhat.com> Reviewed-by: Vladimir Sementsov-Ogievskiy <vsementsov@virtuozzo.com> Message-id: 20190223000614.13894-2-jsnow@redhat.com Signed-off-by: John Snow <jsnow@redhat.com>
2019-03-12qapi: move to QOM path for x-block-latency-histogram-setVladimir Sementsov-Ogievskiy
Signed-off-by: Vladimir Sementsov-Ogievskiy <vsementsov@virtuozzo.com> Signed-off-by: Kevin Wolf <kwolf@redhat.com>
2019-03-11chardev: add support for authorization for TLS clientsDaniel P. Berrange
Currently any client which can complete the TLS handshake is able to use a chardev server. The server admin can turn on the 'verify-peer' option for the x509 creds to require the client to provide a x509 certificate. This means the client will have to acquire a certificate from the CA before they are permitted to use the chardev server. This is still a fairly low bar. This adds a 'tls-authz=OBJECT-ID' option to the socket chardev backend which takes the ID of a previously added 'QAuthZ' object instance. This will be used to validate the client's x509 distinguished name. Clients failing the check will not be permitted to use the chardev server. For example to setup authorization that only allows connection from a client whose x509 certificate distinguished name contains 'CN=fred', you would use: $QEMU -object tls-creds-x509,id=tls0,dir=/home/berrange/qemutls,\ endpoint=server,verify-peer=yes \ -object authz-simple,id=authz0,identity=CN=laptop.example.com,,\ O=Example Org,,L=London,,ST=London,,C=GB \ -chardev socket,host=127.0.0.1,port=9000,server,\ tls-creds=tls0,tls-authz=authz0 \ ...other qemu args... Signed-off-by: Daniel P. Berrange <berrange@redhat.com> Reviewed-by: Marc-André Lureau <marcandre.lureau@redhat.com>
2019-03-11qapi: qapi for audio backendsKővágó, Zoltán
This patch adds structures into qapi to replace the existing configuration structures used by audio backends currently. This qapi will be the base of the -audiodev command line parameter (that replaces the old environment variables based config). This is not a 1:1 translation of the old options, I've tried to make them much more consistent (e.g. almost every backend had an option to specify buffer size, but the name was different for every backend, and some backends required usecs, while some other required frames, samples or bytes). Also tried to reduce the number of abbreviations used by the config keys. Some of the more important changes: * use `in` and `out` instead of `ADC` and `DAC`, as the former is more user friendly imho * moved buffer settings into the global setting area (so it's the same for all backends that support it. Backends that can't change buffer size will simply ignore them). Also using usecs, as it's probably more user friendly than samples or bytes. * try-poll is now an alsa backend specific option (as all other backends currently ignore it) Signed-off-by: Kővágó, Zoltán <DirtY.iCE.hu@gmail.com> Reviewed-by: Markus Armbruster <armbru@redhat.com> Message-id: 5461b514dbf3e0bc31b0abb6498a9b3a008c271e.1552083282.git.DirtY.iCE.hu@gmail.com Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
2019-03-09Merge remote-tracking branch 'remotes/ericb/tags/pull-nbd-2019-03-08' into ↵Peter Maydell
staging nbd patches for 2019-03-08 - support TLS client authorization in NBD servers - iotest 223 race fix # gpg: Signature made Fri 08 Mar 2019 17:37:59 GMT # gpg: using RSA key A7A16B4A2527436A # gpg: Good signature from "Eric Blake <eblake@redhat.com>" [full] # gpg: aka "Eric Blake (Free Software Programmer) <ebb9@byu.net>" [full] # gpg: aka "[jpeg image of size 6874]" [full] # Primary key fingerprint: 71C2 CC22 B1C4 6029 27D2 F3AA A7A1 6B4A 2527 436A * remotes/ericb/tags/pull-nbd-2019-03-08: iotests: Wait for qemu to end in 223 nbd: fix outdated qapi docs syntax for tls-creds nbd: allow authorization with nbd-server-start QMP command qemu-nbd: add support for authorization of TLS clients Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2019-03-08qcow2: Implement data-file-raw create optionKevin Wolf
Provide an option to force QEMU to always keep the external data file consistent as a standalone read-only raw image. At the moment, this means making sure that write_zeroes requests are forwarded to the data file instead of just updating the metadata, and checking that no backing file is used. Signed-off-by: Kevin Wolf <kwolf@redhat.com>
2019-03-08qcow2: Store data file name in the imageKevin Wolf
Rather than requiring that the external data file node is passed explicitly when creating the qcow2 node, store the filename in the designated header extension during .bdrv_create and read it from there as a default during .bdrv_open. Signed-off-by: Kevin Wolf <kwolf@redhat.com>
2019-03-08qcow2: Creating images with external data fileKevin Wolf
This adds a .bdrv_create option to use an external data file. Signed-off-by: Kevin Wolf <kwolf@redhat.com>
2019-03-08qcow2: Add basic data-file infrastructureKevin Wolf
This adds a .bdrv_open option to specify the external data file node. Signed-off-by: Kevin Wolf <kwolf@redhat.com>
2019-03-06nbd: fix outdated qapi docs syntax for tls-credsDaniel P. Berrangé
Signed-off-by: Daniel P. Berrangé <berrange@redhat.com> Message-Id: <20190227162035.18543-4-berrange@redhat.com> Reviewed-by: Eric Blake <eblake@redhat.com> Signed-off-by: Eric Blake <eblake@redhat.com>
2019-03-06nbd: allow authorization with nbd-server-start QMP commandDaniel P. Berrange
As with the previous patch to qemu-nbd, the nbd-server-start QMP command also needs to be able to specify authorization when enabling TLS encryption. First the client must create a QAuthZ object instance using the 'object-add' command: { 'execute': 'object-add', 'arguments': { 'qom-type': 'authz-list', 'id': 'authz0', 'parameters': { 'policy': 'deny', 'rules': [ { 'match': '*CN=fred', 'policy': 'allow' } ] } } } They can then reference this in the new 'tls-authz' parameter when executing the 'nbd-server-start' command: { 'execute': 'nbd-server-start', 'arguments': { 'addr': { 'type': 'inet', 'host': '127.0.0.1', 'port': '9000' }, 'tls-creds': 'tls0', 'tls-authz': 'authz0' } } Reviewed-by: Eric Blake <eblake@redhat.com> Reviewed-by: Juan Quintela <quintela@redhat.com> Signed-off-by: Daniel P. Berrange <berrange@redhat.com> Message-Id: <20190227162035.18543-3-berrange@redhat.com> Signed-off-by: Eric Blake <eblake@redhat.com>
2019-03-06qapi/migration.json: Remove a variable that doesn't exist in exampleZhang Chen
Remove the "active" variable in example for query-colo-status. It is a doc bug from commit f56c0065 Signed-off-by: Zhang Chen <chen.zhang@intel.com> Reviewed-by: Eric Blake <eblake@redhat.com> Message-Id: <20190303145021.2962-6-chen.zhang@intel.com> Signed-off-by: Dr. David Alan Gilbert <dgilbert@redhat.com>
2019-03-06migration: Create socket-address parameterJuan Quintela
It will be used to store the uri parameters. We want this only for tcp, so we don't set it for other uris. We need it to know what port is migration running. Reviewed-by: Dr. David Alan Gilbert <dgilbert@redhat.com> Signed-off-by: Juan Quintela <quintela@redhat.com> Signed-off-by: Dr. David Alan Gilbert <dgilbert@redhat.com> dgilbert: Removed DummyStruct as suggested by Eric & Markus --
2019-03-06migration: Introduce ignore-shared capabilityYury Kotov
We want to use local migration to update QEMU for running guests. In this case we don't need to migrate shared (file backed) RAM. So, add a capability to ignore such blocks during live migration. Signed-off-by: Yury Kotov <yury-kotov@yandex-team.ru> Message-Id: <20190215174548.2630-3-yury-kotov@yandex-team.ru> Reviewed-by: Dr. David Alan Gilbert <dgilbert@redhat.com> Signed-off-by: Dr. David Alan Gilbert <dgilbert@redhat.com>
2019-03-05qmp: Add announce-self commandDr. David Alan Gilbert
Add a qmp command that can trigger guest announcements. It uses its own announce-timer instance, and parameters passed to it explicitly in the command. Like most qmp commands, it's in the main thread/bql, so there's no racing with any outstanding timer. Based on work of Germano Veit Michel <germano@redhat.com> and Vladislav Yasevich <vyasevic@redhat.com> Signed-off-by: Dr. David Alan Gilbert <dgilbert@redhat.com> Reviewed-by: Michael S. Tsirkin <mst@redhat.com> Signed-off-by: Jason Wang <jasowang@redhat.com>
2019-03-05migration: Add announce parametersDr. David Alan Gilbert
Add migration parameters that control RARP/GARP announcement timeouts. Based on earlier patches by myself and Vladislav Yasevich <vyasevic@redhat.com> Signed-off-by: Dr. David Alan Gilbert <dgilbert@redhat.com> Acked-by: Markus Armbruster <armbru@redhat.com> Reviewed-by: Michael S. Tsirkin <mst@redhat.com> Signed-off-by: Jason Wang <jasowang@redhat.com>
2019-03-05net: Introduce announce timerDr. David Alan Gilbert
The 'announce timer' will be used by migration, and explicit requests for qemu to perform network announces. Based on the work by Germano Veit Michel <germano@redhat.com> and Vlad Yasevich <vyasevic@redhat.com> Signed-off-by: Dr. David Alan Gilbert <dgilbert@redhat.com> Reviewed-by: Michael S. Tsirkin <mst@redhat.com> Signed-off-by: Jason Wang <jasowang@redhat.com>
2019-02-26authz: add QAuthZList object type for an access control listDaniel P. Berrange
Add a QAuthZList object type that implements the QAuthZ interface. This built-in implementation maintains a trivial access control list with a sequence of match rules and a final default policy. This replicates the functionality currently provided by the qemu_acl module. To create an instance of this object via the QMP monitor, the syntax used would be: { "execute": "object-add", "arguments": { "qom-type": "authz-list", "id": "authz0", "props": { "rules": [ { "match": "fred", "policy": "allow", "format": "exact" }, { "match": "bob", "policy": "allow", "format": "exact" }, { "match": "danb", "policy": "deny", "format": "glob" }, { "match": "dan*", "policy": "allow", "format": "exact" }, ], "policy": "deny" } } } This sets up an authorization rule that allows 'fred', 'bob' and anyone whose name starts with 'dan', except for 'danb'. Everyone unmatched is denied. It is not currently possible to create this via -object, since there is no syntax supported to specify non-scalar properties for objects. This is likely to be addressed by later support for using JSON with -object, or an equivalent approach. In any case the future "authz-listfile" object can be used from the CLI and is likely a better choice, as it allows the ACL to be refreshed automatically on change. Reviewed-by: Marc-André Lureau <marcandre.lureau@redhat.com> Reviewed-by: Philippe Mathieu-Daudé <philmd@redhat.com> Tested-by: Philippe Mathieu-Daudé <philmd@redhat.com> Signed-off-by: Daniel P. Berrange <berrange@redhat.com>
2019-02-25Merge remote-tracking branch 'remotes/kraxel/tags/ui-20190222-pull-request' ↵Peter Maydell
into staging ui: add support for -display spice-app ui: gtk+sdl bugfixes. # gpg: Signature made Fri 22 Feb 2019 07:53:13 GMT # gpg: using RSA key 4CB6D8EED3E87138 # gpg: Good signature from "Gerd Hoffmann (work) <kraxel@redhat.com>" [full] # gpg: aka "Gerd Hoffmann <gerd@kraxel.org>" [full] # gpg: aka "Gerd Hoffmann (private) <kraxel@gmail.com>" [full] # Primary key fingerprint: A032 8CFF B93A 17A7 9901 FE7D 4CB6 D8EE D3E8 7138 * remotes/kraxel/tags/ui-20190222-pull-request: display: add -display spice-app launching a Spice client spice: use a default name for the server qapi: document DisplayType enum build-sys: add gio-2.0 check char: register spice ports after spice started char: move SpiceChardev and open_spice_port() to spice.h header spice: do not stop spice if VM is paused spice: merge options lists spice: avoid spice runtime assert char/spice: discard write() if backend is disconnected char/spice: trigger HUP event ui/gtk: Fix the license information sdl2: drop qemu_input_event_send_key_qcode call spice: set device address and device display ID in QXL interface kbd-state: don't block auto-repeat events Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2019-02-22display: add -display spice-app launching a Spice clientMarc-André Lureau
Add a new display backend that will configure Spice to allow a remote client to control QEMU in a similar fashion as other QEMU display backend/UI like GTK. For this to work, it will set up Spice server with a unix socket, and register a VC chardev that will be exposed as Spice ports. A QMP monitor is also exposed as a Spice port, this allows the remote client fuller qemu control and state handling. - doesn't handle VC set_echo() - this doesn't seem a strong requirement, very few front-end use it - spice options can be tweaked with other -spice arguments - Windows support shouldn't be hard to do, but will probably use a TCP port instead - we may want to watch the child process to quit automatically if it crashed Signed-off-by: Marc-André Lureau <marcandre.lureau@redhat.com> Tested-by: Victor Toso <victortoso@redhat.com> Message-id: 20190221110703.5775-12-marcandre.lureau@redhat.com [ kraxel: squash incremental fix ] Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
2019-02-21target/mips: implement QMP query-cpu-definitions commandPavel Dovgalyuk
This patch enables QMP-based querying of the available CPU types for MIPS and MIPS64 platforms. Signed-off-by: Pavel Dovgalyuk <pavel.dovgaluk@ispras.ru> Signed-off-by: Aleksandar Markovic <amarkovic@wavecomp.com> Reviewed-by: Philippe Mathieu-Daudé <philmd@redhat.com> Tested-by: Philippe Mathieu-Daudé <philmd@redhat.com> Reviewed-by: Markus Armbruster <armbru@redhat.com>
2019-02-21qapi: document DisplayType enumMarc-André Lureau
Signed-off-by: Marc-André Lureau <marcandre.lureau@redhat.com> Tested-by: Victor Toso <victortoso@redhat.com> Message-id: 20190221110703.5775-10-marcandre.lureau@redhat.com Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
2019-02-19block/dirty-bitmap: Documentation and Comment fixupsJohn Snow
The meaning of the states has changed subtly over time, this should bring the understanding more in-line with the current, actual usages. Reported-by: Eric Blake <eblake@redhat.com> Signed-off-by: John Snow <jsnow@redhat.com> Reviewed-by: Eric Blake <eblake@redhat.com> Reviewed-by: Vladimir Sementsov-Ogievskiy <vsementsov@virtuozzo.com> Message-id: 20190202011048.12343-1-jsnow@redhat.com Signed-off-by: John Snow <jsnow@redhat.com>
2019-02-19dirty-bitmap: Expose persistent flag to 'query-block'Eric Blake
Since qemu currently doesn't flush persistent bitmaps to disk until shutdown (which might be MUCH later), it's useful if 'query-block' at least shows WHICH bitmaps will (eventually) make it to persistent storage. Update affected iotests. Signed-off-by: Eric Blake <eblake@redhat.com> Reviewed-by: Vladimir Sementsov-Ogievskiy <vsementsov@virtuozzo.com> Reviewed-by: John Snow <jsnow@redhat.com> Message-id: 20190204210512.27458-1-eblake@redhat.com Signed-off-by: John Snow <jsnow@redhat.com>
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