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2022-06-14block: add more commands to preconfig modePaolo Bonzini1-2/+4
Of the block device commands, those that are available outside system emulators do not require a fully constructed machine by definition. Allow running them before machine initialization has concluded. Of the ones that are available inside system emulation, allow querying the PR managers, and setting up accounting and throttling. Reviewed-by: Daniel P. Berrangé <berrange@redhat.com> Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2022-05-16qapi: Stop using whitespace for alignment in commentsAndrea Bolognani1-3/+3
Perfectly aligned things look pretty, but keeping them that way as the schema evolves requires churn, and in some cases newly-added lines are not aligned properly. Overall, trying to align things is just not worth the trouble. Signed-off-by: Andrea Bolognani <abologna@redhat.com> Message-Id: <20220503073737.84223-8-abologna@redhat.com> Message-Id: <20220503073737.84223-9-abologna@redhat.com> Reviewed-by: Eric Blake <eblake@redhat.com> Reviewed-by: Markus Armbruster <armbru@redhat.com> [Two patches squashed together] Signed-off-by: Markus Armbruster <armbru@redhat.com>
2022-05-16qapi: Drop unnecessary whitespace in commentsAndrea Bolognani1-1/+1
The only instances that get changed are those in which the additional whitespace was not (or couldn't possibly be) used for alignment purposes. Signed-off-by: Andrea Bolognani <abologna@redhat.com> Message-Id: <20220503073737.84223-7-abologna@redhat.com> Reviewed-by: Markus Armbruster <armbru@redhat.com> Signed-off-by: Markus Armbruster <armbru@redhat.com>
2022-05-16qapi: Drop unnecessary empty lines outside of commentsAndrea Bolognani1-3/+0
Signed-off-by: Andrea Bolognani <abologna@redhat.com> Reviewed-by: Markus Armbruster <armbru@redhat.com> Message-Id: <20220503073737.84223-6-abologna@redhat.com> Reviewed-by: Markus Armbruster <armbru@redhat.com> Signed-off-by: Markus Armbruster <armbru@redhat.com>
2022-05-16qapi: Drop unnecessary empty lines in commentsAndrea Bolognani1-1/+0
Signed-off-by: Andrea Bolognani <abologna@redhat.com> Reviewed-by: Markus Armbruster <armbru@redhat.com> Message-Id: <20220503073737.84223-5-abologna@redhat.com> Reviewed-by: Markus Armbruster <armbru@redhat.com> Signed-off-by: Markus Armbruster <armbru@redhat.com>
2022-05-16qapi: Add missing separators between sectionsAndrea Bolognani1-0/+1
This only affects readability. The generated documentation doesn't change. Signed-off-by: Andrea Bolognani <abologna@redhat.com> Reviewed-by: Markus Armbruster <armbru@redhat.com> Message-Id: <20220503073737.84223-4-abologna@redhat.com> Reviewed-by: Markus Armbruster <armbru@redhat.com> Signed-off-by: Markus Armbruster <armbru@redhat.com>
2022-04-25block: add 'force' parameter to 'blockdev-change-medium' commandDenis V. Lunev1-0/+6
'blockdev-change-medium' is a convinient wrapper for the following sequence of commands: * blockdev-open-tray * blockdev-remove-medium * blockdev-insert-medium * blockdev-close-tray and should be used f.e. to change ISO image inside the CD-ROM tray. Though the guest could lock the tray and some linux guests like CentOS 8.5 actually does that. In this case the execution if this command results in the error like the following: Device 'scsi0-0-1-0' is locked and force was not specified, wait for tray to open and try again. This situation is could be resolved 'blockdev-open-tray' by passing flag 'force' inside. Thus is seems reasonable to add the same capability for 'blockdev-change-medium' too. Signed-off-by: Denis V. Lunev <den@openvz.org> Reviewed-by: Vladimir Sementsov-Ogievskiy <vsementsov@openvz.org> Acked-by: "Dr. David Alan Gilbert" <dgilbert@redhat.com> CC: Kevin Wolf <kwolf@redhat.com> CC: Hanna Reitz <hreitz@redhat.com> CC: Eric Blake <eblake@redhat.com> CC: Markus Armbruster <armbru@redhat.com> Message-Id: <20220412221846.280723-1-den@openvz.org> Reviewed-by: Daniel P. Berrangé <berrange@redhat.com> Signed-off-by: Hanna Reitz <hreitz@redhat.com>
2020-12-10qapi: Normalize version references x.y.0 to just x.yMarkus Armbruster1-1/+1
We use x.y most of the time, and x.y.0 sometimes. Normalize for consistency. Reported-by: Eduardo Habkost <ehabkost@redhat.com> Signed-off-by: Markus Armbruster <armbru@redhat.com> Message-Id: <20201118064158.3359056-1-armbru@redhat.com> Reviewed-by: Eric Blake <eblake@redhat.com>
2020-09-29qapi/block.json: Add newline after "Example:" for block-latency-histogram-setPeter Maydell1-4/+8
The block-latency-histogram-set command is the only one which uses the Example/Examples section with the first line of the documentation immediately following the ':'. Bring it into line with the rest. This will allow us to avoid special-casing the indentation handling for "Examples" sections; instead for Examples as for any other section header these two indentations will be equivalent: Examples: Line one Line two Examples: Line one Line two Signed-off-by: Peter Maydell <peter.maydell@linaro.org> Message-Id: <20200925162316.21205-3-peter.maydell@linaro.org> Reviewed-by: Markus Armbruster <armbru@redhat.com> [Commit message tweaked] Signed-off-by: Markus Armbruster <armbru@redhat.com>
2020-08-03schemas: Add vim modelineAndrea Bolognani1-0/+1
The various schemas included in QEMU use a JSON-based format which is, however, strictly speaking not valid JSON. As a consequence, when vim tries to apply syntax highlight rules for JSON (as guessed from the file name), the result is an unreadable mess which mostly consist of red markers pointing out supposed errors in, well, pretty much everything. Using Python syntax highlighting produces much better results, and in fact these files already start with specially-formatted comments that instruct Emacs to process them as if they were Python files. This commit adds the equivalent special comments for vim. Signed-off-by: Andrea Bolognani <abologna@redhat.com> Message-Id: <20200729185024.121766-1-abologna@redhat.com> Reviewed-by: Daniel P. Berrangé <berrange@redhat.com> Reviewed-by: John Snow <jsnow@redhat.com> Signed-off-by: Markus Armbruster <armbru@redhat.com>
2020-03-17qapi: Mark deprecated QMP parts with feature 'deprecated'Markus Armbruster1-9/+21
Add feature 'deprecated' to the deprecated QMP commands, so their deprecation becomes visible in output of query-qmp-schema. Looks like this: {"name": "query-cpus", "ret-type": "[164]", "meta-type": "command", "arg-type": "0", ---> "features": ["deprecated"]} Management applications could conceivably use this for static checking. The deprecated commands are change, cpu-add, migrate-set-cache-size, migrate_set_downtime, migrate_set_speed, query-cpus, query-events, query-migrate-cache-size. The deprecated command arguments are block-commit arguments @base and @top, and block_set_io_throttle, blockdev-change-medium, blockdev-close-tray, blockdev-open-tray, eject argument @device. The deprecated command results are query-cpus-fast result @arch, query-block result @dirty-bitmaps, query-named-block-nodes result @encryption_key_missing and result @dirty-bitmaps's member @status. Same for query-block result @inserted, which mirrors query-named-block-nodes. Signed-off-by: Markus Armbruster <armbru@redhat.com> Message-Id: <20200317115459.31821-27-armbru@redhat.com> Reviewed-by: Eric Blake <eblake@redhat.com>
2020-03-06block: Move sysemu QMP commands to QAPI block moduleKevin Wolf1-0/+386
QMP commands that are related to the system emulator and don't make sense in the context of tools such as qemu-storage-daemon should live in qapi/block.json rather than qapi/block-core.json. Move them there. The associated data types are actually also used in code shared with the tools, so they stay in block-core.json. Signed-off-by: Kevin Wolf <kwolf@redhat.com> Message-Id: <20200224143008.13362-6-kwolf@redhat.com> Acked-by: Stefan Hajnoczi <stefanha@redhat.com> Signed-off-by: Kevin Wolf <kwolf@redhat.com>
2020-03-06block: Move common QMP commands to block-core QAPI moduleKevin Wolf1-284/+0
block-core is for everything that isn't related to the system emulator. Internal snapshots, the NBD server and quorum events make sense in the tools, too, so move them to block-core. Signed-off-by: Kevin Wolf <kwolf@redhat.com> Message-Id: <20200224143008.13362-5-kwolf@redhat.com> Acked-by: Stefan Hajnoczi <stefanha@redhat.com> Signed-off-by: Kevin Wolf <kwolf@redhat.com>
2020-02-15qapi: Use explicit bulleted listsPeter Maydell1-19/+14
A JSON block comment like this: Returns: nothing on success If @node is not a valid block device, DeviceNotFound If @name is not found, GenericError with an explanation renders like this: Returns: nothing on success If node is not a valid block device, DeviceNotFound If name is not found, GenericError with an explanation because whitespace is not significant. Use an actual bulleted list, so that the formatting is correct. Signed-off-by: Peter Maydell <peter.maydell@linaro.org> Message-Id: <20200213175647.17628-14-peter.maydell@linaro.org> Message-Id: <20200213175647.17628-15-peter.maydell@linaro.org> Message-Id: <20200213175647.17628-16-peter.maydell@linaro.org> [Three commits squashed into one] Reviewed-by: Markus Armbruster <armbru@redhat.com> Signed-off-by: Markus Armbruster <armbru@redhat.com>
2020-02-15qapi: Fix indent level on doc comments in json filesPeter Maydell1-7/+7
The current doc generation doesn't care much about indentation levels, but we would like to switch to an rST format, and rST does care about indentation. Make the doc comments more strongly consistent about indentation for multiline constructs like: @arg: description line 1 description line 2 Returns: line one line 2 so that there is always exactly one space after the colon, and subsequent lines align with the first. This commit is a purely whitespace change, and it does not alter the generated .texi files (because the texi generation code strips away all the extra whitespace). This does mean that we end up with some over-length lines. Note that when the documentation for an argument fits on a single line like this: @arg: one line only then stray extra spaces after the ':' don't affect the rST output, so I have not attempted to methodically fix them, though the preference is a single space here too. Signed-off-by: Peter Maydell <peter.maydell@linaro.org> Message-Id: <20200213175647.17628-10-peter.maydell@linaro.org> Reviewed-by: Markus Armbruster <armbru@redhat.com> [Commit message tweaked] Signed-off-by: Markus Armbruster <armbru@redhat.com>
2020-02-05nbd: Allow description when creating NBD blockdevEric Blake1-3/+6
Allow blockdevs to match the feature already present in qemu-nbd -D. Enhance iotest 223 to cover it. Signed-off-by: Eric Blake <eblake@redhat.com> Reviewed-by: Maxim Levitsky <mlevitsk@redhat.com> Reviewed-by: Vladimir Sementsov-Ogievskiy <vsementsov@virtuozzo.com> Message-Id: <20191114024635.11363-5-eblake@redhat.com>
2019-03-06nbd: fix outdated qapi docs syntax for tls-credsDaniel P. Berrangé1-1/+1
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. Berrange1-1/+7
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>
2019-01-14nbd: Remove x-nbd-server-add-bitmapEric Blake1-23/+0
Now that nbd-server-add can do the same functionality (well, other than making the exported bitmap name different than the underlying bitamp - but we argued that was not essential, since it is just as easy to create a new non-persistent bitmap with the desired name), we no longer need the experimental separate command. Signed-off-by: Eric Blake <eblake@redhat.com> Reviewed-by: Vladimir Sementsov-Ogievskiy <vsementsov@virtuozzo.com> Message-Id: <20190111194720.15671-7-eblake@redhat.com>
2019-01-14nbd: Allow bitmap export during QMP nbd-server-addEric Blake1-1/+6
With the experimental x-nbd-server-add-bitmap command, there was a window of time where an NBD client could see the export but not the associated dirty bitmap, which can cause a client that planned on using the dirty bitmap to be forced to treat the entire image as dirty as a safety fallback. Furthermore, if the QMP client successfully exports a disk but then fails to add the bitmap, it has to take on the burden of removing the export. Since we don't allow changing the exposed dirty bitmap (whether to a different bitmap, or removing advertisement of the bitmap), it is nicer to make the bitmap tied to the export at the time the export is created, with automatic failure to export if the bitmap is not available. The experimental command included an optional 'bitmap-export-name' field for remapping the name exposed over NBD to be different from the bitmap name stored on disk. However, my libvirt demo code for implementing differential backups on top of persistent bitmaps did not need to take advantage of that feature (it is instead possible to create a new temporary bitmap with the desired name, use block-dirty-bitmap-merge to merge one or more persistent bitmaps into the temporary, then associate the temporary with the NBD export, if control is needed over the exported bitmap name). Hence, I'm not copying that part of the experiment over to the stable addition. For more details on the libvirt demo, see https://www.redhat.com/archives/libvir-list/2018-October/msg01254.html, https://kvmforum2018.sched.com/event/FzuB/facilitating-incremental-backup-eric-blake-red-hat This patch focuses on the user interface, and reduces (but does not completely eliminate) the window where an NBD client can see the export but not the dirty bitmap, with less work to clean up after errors. Later patches will add further cleanups now that this interface is declared stable via a single QMP command, including removing the race window. Update test 223 to use the new interface. Signed-off-by: Eric Blake <eblake@redhat.com> Reviewed-by: Vladimir Sementsov-Ogievskiy <vsementsov@virtuozzo.com> Message-Id: <20190111194720.15671-6-eblake@redhat.com>
2018-06-28pr-manager-helper: report event on connection/disconnectionPaolo Bonzini1-0/+24
Let management know if there were any problems communicating with qemu-pr-helper. The event is edge-triggered, and is sent every time the connection status of the pr-manager-helper object changes. Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2018-06-28pr-manager: add query-pr-managers QMP commandPaolo Bonzini1-0/+28
This command lets you query the connection status of each pr-manager-helper object. Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2018-06-21qapi: new qmp command nbd-server-add-bitmapVladimir Sementsov-Ogievskiy1-0/+23
For now, the actual command ix x-nbd-server-add-bitmap, reflecting the fact that we are still working on libvirt code that proves the command works as needed, and also the fact that we may remove bitmap-export-name (and just require that the exported name be the bitmap name). Signed-off-by: Vladimir Sementsov-Ogievskiy <vsementsov@virtuozzo.com> Message-Id: <20180609151758.17343-6-vsementsov@virtuozzo.com> Reviewed-by: Eric Blake <eblake@redhat.com> [eblake: make the command experimental by adding x- prefix] Signed-off-by: Eric Blake <eblake@redhat.com>
2018-01-26qapi: add nbd-server-removeVladimir Sementsov-Ogievskiy1-0/+41
Add command for removing an export. It is needed for cases when we don't want to keep the export after the operation on it was completed. The other example is a temporary node, created with blockdev-add. If we want to delete it we should firstly remove any corresponding NBD export. Signed-off-by: Vladimir Sementsov-Ogievskiy <vsementsov@virtuozzo.com> Message-Id: <20180119135719.24745-3-vsementsov@virtuozzo.com> [eblake: drop dead nb_clients code] Signed-off-by: Eric Blake <eblake@redhat.com>
2018-01-26qapi: add name parameter to nbd-server-addVladimir Sementsov-Ogievskiy1-2/+7
Allow user to specify name for new export, to not reuse internal node name and to not show it to clients. This also allows creating several exports per device. Signed-off-by: Vladimir Sementsov-Ogievskiy <vsementsov@virtuozzo.com> Reviewed-by: Eric Blake <eblake@redhat.com> Message-Id: <20180119135719.24745-2-vsementsov@virtuozzo.com> Signed-off-by: Eric Blake <eblake@redhat.com>
2017-09-04qapi-schema: Improve section headingsMarkus Armbruster1-3/+2
The generated QEMU QMP reference is now structured as follows: 1.1 Introduction 1.2 Stability Considerations 1.3 Common data types 1.4 Socket data types 1.5 VM run state 1.6 Cryptography 1.7 Block devices 1.7.1 Block core (VM unrelated) 1.7.2 QAPI block definitions (vm unrelated) 1.8 Character devices 1.9 Net devices 1.10 Rocker switch device 1.11 TPM (trusted platform module) devices 1.12 Remote desktop 1.12.1 Spice 1.12.2 VNC 1.13 Input 1.14 Migration 1.15 Transactions 1.16 Tracing 1.17 QMP introspection 1.18 Miscellanea Section "1.18 Miscellanea" is still too big: it documents 134 symbols. Section "1.7.1 Block core (VM unrelated)" is also rather big: 128 symbols. All the others are of reasonable size. Signed-off-by: Markus Armbruster <armbru@redhat.com> Message-Id: <1503602048-12268-17-git-send-email-armbru@redhat.com> Reviewed-by: Marc-André Lureau <marcandre.lureau@redhat.com>
2017-09-04qapi-schema: Move block events from event.json to block.jsonMarkus Armbruster1-0/+68
Cc: Alberto Garcia <berto@igalia.com> Signed-off-by: Markus Armbruster <armbru@redhat.com> Message-Id: <1503602048-12268-13-git-send-email-armbru@redhat.com> Reviewed-by: Alberto Garcia <berto@igalia.com> Reviewed-by: Marc-André Lureau <marcandre.lureau@redhat.com>
2017-06-04qapi: Fix some QMP documentation regressionsEric Blake1-1/+1
In the process of getting rid of docs/qmp-commands.txt, we managed to regress on some of the text that changed after the point where the move was first branched and when the move actually occurred. For example, commit 3282eca for blockdev-snapshot re-added the extra "options" layer which had been cleaned up in commit 0153d2f. This clears up all regressions identified over the range 02b351d..bd6092e: https://lists.gnu.org/archive/html/qemu-devel/2017-05/msg05127.html as well as a cleanup to x-blockdev-remove-medium to prefer 'id' over 'device' (matching the cleanup for 'eject'). Signed-off-by: Eric Blake <eblake@redhat.com> Reviewed-by: Markus Armbruster <armbru@redhat.com> Signed-off-by: Michael Tokarev <mjt@tls.msk.ru>
2017-05-09sockets: Rename SocketAddress to SocketAddressLegacyMarkus Armbruster1-1/+1
The next commit will rename SocketAddressFlat to SocketAddress, and the commit after that will replace most uses of SocketAddressLegacy by SocketAddress, replacing most of this commit's renames right back. Note that checkpatch emits a few "line over 80 characters" warnings. The long lines are all temporary; the SocketAddressLegacy replacement will shorten them again. Signed-off-by: Markus Armbruster <armbru@redhat.com> Message-Id: <1493192202-3184-5-git-send-email-armbru@redhat.com> Reviewed-by: Eric Blake <eblake@redhat.com> Signed-off-by: Markus Armbruster <armbru@redhat.com>
2017-03-16qapi: The #optional tag is redundant, dropMarkus Armbruster1-4/+4
We traditionally mark optional members #optional in the doc comment. Before commit 3313b61, this was entirely manual. Commit 3313b61 added some automation because its qapi2texi.py relied on #optional to determine whether a member is optional. This is no longer the case since the previous commit: the only thing qapi2texi.py still does with #optional is stripping it out. We still reject bogus qapi-schema.json and six places for qga/qapi-schema.json. Thus, you can't actually rely on #optional to see whether something is optional. Yet we still make people add it manually. That's just busy-work. Drop the code to check, fix up and strip out #optional, along with all instances of #optional. To keep it out, add code to reject it, to be dropped again once the dust settles. No change to generated documentation. Signed-off-by: Markus Armbruster <armbru@redhat.com> Reviewed-by: Eric Blake <eblake@redhat.com> Message-Id: <1489582656-31133-18-git-send-email-armbru@redhat.com>
2017-01-16qmp-events: move 'DEVICE_TRAY_MOVED' doc to schemaMarc-André Lureau1-0/+10
Signed-off-by: Marc-André Lureau <marcandre.lureau@redhat.com> Signed-off-by: Markus Armbruster <armbru@redhat.com>
2017-01-16qmp-commands: move 'eject' doc to schemaMarc-André Lureau1-2/+8
Signed-off-by: Marc-André Lureau <marcandre.lureau@redhat.com> Signed-off-by: Markus Armbruster <armbru@redhat.com>
2017-01-16qmp-commands: move 'blockdev-snapshot-delete-internal-sync' doc to schemaMarc-André Lureau1-0/+18
Signed-off-by: Marc-André Lureau <marcandre.lureau@redhat.com> Signed-off-by: Markus Armbruster <armbru@redhat.com>
2017-01-16qmp-commands: move 'blockdev-snapshot-internal-sync' doc to schemaMarc-André Lureau1-2/+16
Signed-off-by: Marc-André Lureau <marcandre.lureau@redhat.com> Signed-off-by: Markus Armbruster <armbru@redhat.com>
2017-01-16qapi: add some sections in docsMarc-André Lureau1-2/+8
Add some more section titles to organize the documentation we're going to generate. Signed-off-by: Marc-André Lureau <marcandre.lureau@redhat.com> Reviewed-by: Markus Armbruster <armbru@redhat.com> Message-Id: <20170113144135.5150-10-marcandre.lureau@redhat.com> Signed-off-by: Markus Armbruster <armbru@redhat.com>
2016-12-06qapi: Document DEVICE_TRAY_MOVED additionEric Blake1-1/+1
Commit 2d76e72 failed to add a versioning tag to 'id'. I audited all qapi*.json files from v2.7.0 to the current state of the tree, and didn't find any other additions where we failed to use a version tag. Signed-off-by: Eric Blake <eblake@redhat.com> Reviewed-by: Marc-André Lureau <marcandre.lureau@redhat.com> Message-id: 20161206160345.22425-1-eblake@redhat.com Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
2016-12-05qapi: add missing colon-ending for section nameMarc-André Lureau1-8/+8
The documentation parser we are going to add expects a section name to end with ':', otherwise the comment is treated as free-form text body. Signed-off-by: Marc-André Lureau <marcandre.lureau@redhat.com> Message-Id: <20161117155504.21843-9-marcandre.lureau@redhat.com> Reviewed-by: Markus Armbruster <armbru@redhat.com> Signed-off-by: Markus Armbruster <armbru@redhat.com>
2016-10-07block: Add qdev ID to DEVICE_TRAY_MOVEDKevin Wolf1-2/+6
The event currently only contains the BlockBackend name. However, with anonymous BlockBackends, this is always the empty string. Add the qdev ID (or if none was given, the QOM path) so that the user can still see which device caused the event. Event generation has to be moved from bdrv_eject() to the BlockBackend because the BDS doesn't know the attached device, but that's easy because blk_eject() is the only user of it. Signed-off-by: Kevin Wolf <kwolf@redhat.com> Reviewed-by: Max Reitz <mreitz@redhat.com>
2016-09-23block: Accept device model name for ejectKevin Wolf1-2/+7
In order to remove the need for BlockBackend names in the external API, we want to allow qdev device names in all device related commands. This converts eject to accept a qdev device name. Signed-off-by: Kevin Wolf <kwolf@redhat.com>
2016-09-05nbd-server: Allow node name for nbd-server-addKevin Wolf1-2/+2
There is no reason why an NBD server couldn't be started for any node, even if it's not on the top level. This converts nbd-server-add to accept a node-name. Note that there is a semantic difference between using a BlockBackend name and the node name of its root: In the former case, the NBD server is closed on eject; in the latter case, the NBD server doesn't drop its reference and keeps the image file open this way. Signed-off-by: Kevin Wolf <kwolf@redhat.com> Reviewed-by: Max Reitz <mreitz@redhat.com>
2016-09-05block: Accept node-name for blockdev-snapshot-internal-syncKevin Wolf1-2/+3
In order to remove the necessity to use BlockBackend names in the external API, we want to allow node-names everywhere. This converts blockdev-snapshot-internal-sync to accept a node-name without lifting the restriction that we're operating at a root node. In case of an invalid device name, the command returns the GenericError error class now instead of DeviceNotFound, because this is what qmp_get_root_bs() returns. Signed-off-by: Kevin Wolf <kwolf@redhat.com> Reviewed-by: Eric Blake <eblake@redhat.com> Reviewed-by: Alberto Garcia <berto@igalia.com> Reviewed-by: Max Reitz <mreitz@redhat.com>
2016-09-05block: Accept node-name for blockdev-snapshot-delete-internal-syncKevin Wolf1-2/+3
In order to remove the necessity to use BlockBackend names in the external API, we want to allow node-names everywhere. This converts blockdev-snapshot-delete-internal-sync to accept a node-name without lifting the restriction that we're operating at a root node. In case of an invalid device name, the command returns the GenericError error class now instead of DeviceNotFound, because this is what qmp_get_root_bs() returns. Signed-off-by: Kevin Wolf <kwolf@redhat.com> Reviewed-by: Eric Blake <eblake@redhat.com> Reviewed-by: Alberto Garcia <berto@igalia.com> Reviewed-by: Max Reitz <mreitz@redhat.com>
2016-03-14qmp event: Refactor QUORUM_REPORT_BADChanglong Xie1-0/+16
Introduce QuorumOpType, and make QUORUM_REPORT_BAD compatible with it. Cc: Dr. David Alan Gilbert <dgilbert@redhat.com> Cc: Wen Congyang <wency@cn.fujitsu.com> Signed-off-by: Wen Congyang <wency@cn.fujitsu.com> Signed-off-by: Changlong Xie <xiecl.fnst@cn.fujitsu.com> Reviewed-by: Alberto Garcia <berto@igalia.com> Signed-off-by: Kevin Wolf <kwolf@redhat.com>
2016-02-16nbd: enable use of TLS with nbd-server-start commandDaniel P. Berrange1-1/+3
This modifies the nbd-server-start QMP command so that it is possible to request use of TLS. This is done by adding a new optional parameter "tls-creds" which provides the ID of a previously created QCryptoTLSCreds object instance. TLS is only supported when using an IPv4/IPv6 socket listener. Signed-off-by: Daniel P. Berrange <berrange@redhat.com> Message-Id: <1455129674-17255-17-git-send-email-berrange@redhat.com> Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2016-01-25fdc: add drive type qapi enumJohn Snow1-0/+16
Change the floppy drive type to a QAPI enum type, to allow us to specify the floppy drive type from the CLI in a forthcoming patch. Reviewed-by: Eric Blake <eblake@redhat.com> Signed-off-by: John Snow <jsnow@redhat.com> Message-id: 1453495865-9649-4-git-send-email-jsnow@redhat.com
2015-10-08qapi: add missing @Marc-André Lureau1-1/+1
Signed-off-by: Marc-André Lureau <marcandre.lureau@redhat.com> Reviewed-by: Eric Blake <eblake@redhat.com> Signed-off-by: Michael Tokarev <mjt@tls.msk.ru>
2015-05-05qapi: Use 'struct' instead of 'type' in schemaEric Blake1-1/+1
Referring to "type" as both a meta-type (built-in, enum, union, alternate, or struct) and a specific type (the name that the schema uses for declaring structs) is confusing. Do the bulk of the conversion to "struct" in qapi schema, with a fairly mechanical: for f in `find -name '*.json'; do sed -i "s/'type'/'struct'/"; done followed by manually filtering out the places where we have a 'type' embedded in 'data'. Then tweak a couple of tests whose output changes slightly due to longer lines. I also verified that the generated files for QMP and QGA (such as qmp-commands.h) are the same before and after, as assurance that I didn't leave in any accidental member name changes. Signed-off-by: Eric Blake <eblake@redhat.com> Reviewed-by: Markus Armbruster <armbru@redhat.com> Signed-off-by: Markus Armbruster <armbru@redhat.com>
2014-06-23qapi event: convert DEVICE_TRAY_MOVEDWenchao Xia1-0/+14
Signed-off-by: Wenchao Xia <wenchaoqemu@gmail.com> Signed-off-by: Paolo Bonzini <pbonzini@redhat.com> Reviewed-by: Eric Blake <eblake@redhat.com> Signed-off-by: Luiz Capitulino <lcapitulino@redhat.com>
2014-06-06qapi: Extract qapi/block.json definitionsBenoît Canet1-0/+159
Signed-off-by: Benoit Canet <benoit@irqsave.net> Reviewed-by: Eric Blake <eblake@redhat.com> Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
2014-06-06qapi: create two block related json modulesBenoît Canet1-0/+7
qapi/block-core.json contains block definitions unrelated to emulation. qapi/block.json is a superset of the previous and contains definitions related to emulation. The purpose of these extractions is to be able to hook qapi/block-core.json generated code on qemu-nbd. Signed-off-by: Benoit Canet <benoit@irqsave.net> Reviewed-by: Eric Blake <eblake@redhat.com> Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>