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* qapi: allow blockdev-add for NFSAshijeet Acharya2016-10-311-3/+71
| | | | | | | | | Introduce new object 'BlockdevOptionsNFS' in qapi/block-core.json to support blockdev-add for NFS network protocol driver. Also make a new struct NFSServer to support tcp connection. Signed-off-by: Ashijeet Acharya <ashijeetacharya@gmail.com> Signed-off-by: Kevin Wolf <kwolf@redhat.com>
* block: Mention replication in BlockdevDriver enum docsEric Blake2016-10-311-1/+1
| | | | | | | Missed in commit 82ac554. Signed-off-by: Eric Blake <eblake@redhat.com> Signed-off-by: Kevin Wolf <kwolf@redhat.com>
* raw_bsd: add offset and size optionsTomáš Golembiovský2016-10-311-1/+15
| | | | | | | | | | | | Added two new options 'offset' and 'size'. This makes it possible to use only part of the file as a device. This can be used e.g. to limit the access only to single partition in a disk image or use a disk inside a tar archive (like OVA). When 'size' is specified we do our best to honour it. Signed-off-by: Tomáš Golembiovský <tgolembi@redhat.com> Signed-off-by: Kevin Wolf <kwolf@redhat.com>
* block: Add 'base-node' parameter to the 'block-stream' commandAlberto Garcia2016-10-311-2/+6
| | | | | | | | | | | | | The way to specify the node from which to copy data in the block-stream operation is by using the 'base' parameter. This parameter however takes a file name, not a node name. Since we want to be able to perform this operation using only node names, this patch adds a new 'base-node' parameter. Signed-off-by: Alberto Garcia <berto@igalia.com> Reviewed-by: Kevin Wolf <kwolf@redhat.com> Signed-off-by: Kevin Wolf <kwolf@redhat.com>
* block: Add QMP support for streaming to an intermediate layerAlberto Garcia2016-10-311-3/+10
| | | | | | | | | | | | | | This patch makes the 'device' parameter of the 'block-stream' command accept a node name that is not a root node. The presence of this feature can't be directly tested with introspection; soon we'll introduce a 'base-node' parameter whose presence can be checked for this purpose. In addition to that, operation blockers will be checked in all intermediate nodes between the top and the base node. Signed-off-by: Alberto Garcia <berto@igalia.com> Signed-off-by: Kevin Wolf <kwolf@redhat.com>
* qapi: allow blockdev-add for sshAshijeet Acharya2016-10-311-3/+23
| | | | | | | | | | | | Introduce new object 'BlockdevOptionsSsh' in qapi/block-core.json to support blockdev-add for SSH network protocol driver. Use only 'struct InetSocketAddress' since SSH only supports connection over TCP. Signed-off-by: Ashijeet Acharya <ashijeetacharya@gmail.com> Reviewed-by: Kevin Wolf <kwolf@redhat.com> [ kwolf: Removed host_key_check option, we want to expose this later in a structured way rather than as a string that must be parsed ] Signed-off-by: Kevin Wolf <kwolf@redhat.com>
* qapi: Allow blockdev-add for NBDMax Reitz2016-10-271-4/+23
| | | | | Signed-off-by: Max Reitz <mreitz@redhat.com> Signed-off-by: Kevin Wolf <kwolf@redhat.com>
* qapi: rename QmpOutputVisitor to QObjectOutputVisitorDaniel P. Berrange2016-10-251-82/+80Star
| | | | | | | | | | | | | | | | | | The QmpOutputVisitor has no direct dependency on QMP. It is valid to use it anywhere that one wants a QObject. Rename it to better reflect its functionality as a generic QAPI to QObject converter. The commit before previous renamed the files, this one renames C identifiers. Reviewed-by: Kevin Wolf <kwolf@redhat.com> Reviewed-by: Eric Blake <eblake@redhat.com> Signed-off-by: Daniel P. Berrange <berrange@redhat.com> Message-Id: <1475246744-29302-6-git-send-email-berrange@redhat.com> Reviewed-by: Markus Armbruster <armbru@redhat.com> [Split into file rename and identifier rename] Signed-off-by: Markus Armbruster <armbru@redhat.com>
* qapi: rename QmpInputVisitor to QObjectInputVisitorDaniel P. Berrange2016-10-251-83/+85
| | | | | | | | | | | | | | | | | The QmpInputVisitor has no direct dependency on QMP. It is valid to use it anywhere that one has a QObject. Rename it to better reflect its functionality as a generic QObject to QAPI converter. The previous commit renamed the files, this one renames C identifiers. Reviewed-by: Kevin Wolf <kwolf@redhat.com> Reviewed-by: Eric Blake <eblake@redhat.com> Signed-off-by: Daniel P. Berrange <berrange@redhat.com> Message-Id: <1475246744-29302-5-git-send-email-berrange@redhat.com> Reviewed-by: Markus Armbruster <armbru@redhat.com> [Straightforwardly rebased, split into file and identifier rename] Signed-off-by: Markus Armbruster <armbru@redhat.com>
* qapi: rename *qmp-*-visitor* to *qobject-*-visitor*Daniel P. Berrange2016-10-254-6/+6
| | | | | | | | | | | | | | | | | | The QMP visitors have no direct dependency on QMP. It is valid to use them anywhere that one has a QObject. Rename them to better reflect their functionality as a generic QObject to QAPI converter. This is the first of three parts: rename the files. The next two parts will rename C identifiers. The split is necessary to make git rename detection work. Reviewed-by: Kevin Wolf <kwolf@redhat.com> Reviewed-by: Eric Blake <eblake@redhat.com> Signed-off-by: Daniel P. Berrange <berrange@redhat.com> Reviewed-by: Markus Armbruster <armbru@redhat.com> [Split into file and identifier rename, two comments touched up] Signed-off-by: Markus Armbruster <armbru@redhat.com>
* qapi: add trace events for visitorDaniel P. Berrange2016-10-252-6/+78
| | | | | | | | | | | | Allow tracing of the operation of visitors Signed-off-by: Daniel P. Berrange <berrange@redhat.com> Message-Id: <1475246744-29302-4-git-send-email-berrange@redhat.com> Reviewed-by: Eric Blake <eblake@redhat.com> Reviewed-by: Kevin Wolf <kwolf@redhat.com> Reviewed-by: Markus Armbruster <armbru@redhat.com> [visit_type_uint8() & friends rearranged slightly for clarity] Signed-off-by: Markus Armbruster <armbru@redhat.com>
* block/replication: Clarify 'top-id' parameter usageChanglong Xie2016-10-241-1/+2
| | | | | | | | | | The replication driver only supports the 'top-id' parameter for the secondary side; it must not be supplied for the primary side. Reviewed-by: Eric Blake <eblake@redhat.com> Signed-off-by: Changlong Xie <xiecl.fnst@cn.fujitsu.com> Message-id: 1476247808-15646-1-git-send-email-xiecl.fnst@cn.fujitsu.com Signed-off-by: Max Reitz <mreitz@redhat.com>
* block: Remove "options" indirection from blockdev-addKevin Wolf2016-10-241-2/+2
| | | | | | | | | | | | | | | | | | Now that QAPI supports boxed types, we can have unions at the top level of a command, so let's put our real options directly there for blockdev-add instead of having a single "options" dict that contains the real arguments. blockdev-add is still experimental and we already made substantial changes to the API recently, so we're free to make changes like this one, too. Signed-off-by: Kevin Wolf <kwolf@redhat.com> Reviewed-by: Eric Blake <eblake@redhat.com> Reviewed-by: Markus Armbruster <armbru@redhat.com> Reviewed-by: Fam Zheng <famz@redhat.com> Reviewed-by: Stefan Hajnoczi <stefanha@redhat.com> Reviewed-by: Max Reitz <mreitz@redhat.com>
* crypto: add CTR mode supportGonglei2016-10-191-1/+2
| | | | | | | | | | | | | | Introduce CTR mode support for the cipher APIs. CTR mode uses a counter rather than a traditional IV. The counter has additional properties, including a nonce and initial counter block. We reuse the ctx->iv as the counter for conveniences. Both libgcrypt and nettle are support CTR mode, the cipher-builtin doesn't support yet. Signed-off-by: Gonglei <arei.gonglei@huawei.com> Signed-off-by: Daniel P. Berrange <berrange@redhat.com>
* Merge remote-tracking branch 'remotes/kevin/tags/for-upstream' into stagingPeter Maydell2016-10-102-4/+14
|\ | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Block layer patches # gpg: Signature made Mon 10 Oct 2016 12:33:14 BST # gpg: using RSA key 0x7F09B272C88F2FD6 # gpg: Good signature from "Kevin Wolf <kwolf@redhat.com>" # Primary key fingerprint: DC3D EB15 9A9A F95D 3D74 56FE 7F09 B272 C88F 2FD6 * remotes/kevin/tags/for-upstream: dmg: Move libbz2 code to dmg-bz2.so module: Don't load the same module if requested multiple times scripts: Allow block module to not define BlockDriver block: Add qdev ID to DEVICE_TRAY_MOVED block-backend: Remember if attached device is non-qdev block: Add node name to BLOCK_IO_ERROR event block: Add bdrv_runtime_opts to query-command-line-options block: use aio_bh_schedule_oneshot async: add aio_bh_schedule_oneshot block: use bdrv_add_before_write_notifier Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
| * block: Add qdev ID to DEVICE_TRAY_MOVEDKevin Wolf2016-10-071-2/+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>
| * block: Add node name to BLOCK_IO_ERROR eventKevin Wolf2016-10-071-2/+8
| | | | | | | | | | | | | | | | | | The event currently only contains the BlockBackend name. However, with anonymous BlockBackends, this is always the empty string. Add the node name so that the user can still see which block device caused the event. Signed-off-by: Kevin Wolf <kwolf@redhat.com> Reviewed-by: Max Reitz <mreitz@redhat.com>
* | Merge remote-tracking branch 'remotes/mjt/tags/trivial-patches-fetch' into ↵Peter Maydell2016-10-101-5/+0Star
|\ \ | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | staging trivial patches for 2016-10-08 # gpg: Signature made Sat 08 Oct 2016 09:56:38 BST # gpg: using RSA key 0x701B4F6B1A693E59 # gpg: Good signature from "Michael Tokarev <mjt@tls.msk.ru>" # gpg: aka "Michael Tokarev <mjt@corpit.ru>" # gpg: aka "Michael Tokarev <mjt@debian.org>" # Primary key fingerprint: 6EE1 95D1 886E 8FFB 810D 4324 457C E0A0 8044 65C5 # Subkey fingerprint: 7B73 BAD6 8BE7 A2C2 8931 4B22 701B 4F6B 1A69 3E59 * remotes/mjt/tags/trivial-patches-fetch: (26 commits) net/filter-mirror: Fix mirror initial check typo virtio: rename the bar index field name in VirtIOPCIProxy linux-user: include <poll.h> instead of <sys/poll.h> char: fix missing return in error path for chardev TLS init CODING_STYLE: Fix a typo ("have" vs. "has") bitmap: refine and move BITMAP_{FIRST/LAST}_WORD_MASK build-sys: fix find-in-path m68k: change default system clock for m5208evb exec: remove unused compacted argument usb: ehci: fix memory leak in ehci_process_itd qapi: make the json schema files more regular. maint: Add module_block.h to .gitignore MAINTAINERS: Some updates related to the SH4 machines MAINTAINERS: Add some more MIPS related files MAINTAINERS: Add usermode related config files MAINTAINERS: Add some more pattern to recognize all win32 related files MAINTAINERS: Add some more rocker related files MAINTAINERS: Add header files to CRIS section MAINTAINERS: Add some more files to the virtio section MAINTAINERS: Add some SPARC machine related files ... # Conflicts: # MAINTAINERS
| * | qapi: make the json schema files more regular.David Anderson2016-10-081-5/+0Star
| |/ | | | | | | | | | | | | | | | | | | This makes it easier to parse the schema file for tool generation: each paragraph is either a non-docstring comment, or a docstring immediately followed by a Python dict describing an API item. Signed-off-by: David Anderson <dave@natulte.net> Reviewed-by: Eric Blake <eblake@redhat.com> Signed-off-by: Michael Tokarev <mjt@tls.msk.ru>
* | qapi: return a 'missing parameter' errorMarc-André Lureau2016-10-071-19/+48
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | The 'old' dispatch code returned a QERR_MISSING_PARAMETER for missing parameters, but the qapi qmp_dispatch() code uses QERR_INVALID_PARAMETER_TYPE. Improve qapi code to return QERR_MISSING_PARAMETER where appropriate. Fix expected error message in iotests. Signed-off-by: Marc-André Lureau <marcandre.lureau@redhat.com> Reviewed-by: Alberto Garcia <berto@igalia.com> Reviewed-by: Eric Blake <eblake@redhat.com> Message-Id: <20160930095948.3154-4-marcandre.lureau@redhat.com> [Drop incorrect error_setg() from qmp_input_type_any() and qmp_input_type_null()] Reviewed-by: Markus Armbruster <armbru@redhat.com> Signed-off-by: Markus Armbruster <armbru@redhat.com>
* | qapi: assert list entry has a valueMarc-André Lureau2016-10-071-0/+1
| | | | | | | | | | | | | | | | | | | | This helps to figure out the expectations. Signed-off-by: Marc-André Lureau <marcandre.lureau@redhat.com> Reviewed-by: Eric Blake <eblake@redhat.com> Message-Id: <20160930095948.3154-3-marcandre.lureau@redhat.com> Reviewed-by: Markus Armbruster <armbru@redhat.com> Signed-off-by: Markus Armbruster <armbru@redhat.com>
* | qapi: add assert about root valueMarc-André Lureau2016-10-071-0/+2
| | | | | | | | | | | | | | | | | | | | qiv->root should not be null, make that clearer with some assert. Signed-off-by: Marc-André Lureau <marcandre.lureau@redhat.com> Reviewed-by: Eric Blake <eblake@redhat.com> Message-Id: <20160930095948.3154-2-marcandre.lureau@redhat.com> Reviewed-by: Markus Armbruster <armbru@redhat.com> Signed-off-by: Markus Armbruster <armbru@redhat.com>
* | qapi: Fix crash when 'any' or 'null' parameter is missingMarc-André Lureau2016-10-061-0/+11
|/ | | | | | | | | | | | | | | | | | | | | | | Unlike the other visit methods, visit_type_any() and visit_type_null() neglect to check whether qmp_input_get_object() succeeded. They crash when it fails. Reproducer: { "execute": "qom-set", "arguments": { "path": "/machine", "property": "rtc-time" } } Will crash with: qapi/qapi-visit-core.c:277: visit_type_any: Assertion `!err != !*obj' failed Broken in commit 5c678ee. Fix by adding the missing error checks. Signed-off-by: Marc-André Lureau <marcandre.lureau@redhat.com> Reviewed-by: Eric Blake <eblake@redhat.com> Message-Id: <20160922203927.28241-3-marcandre.lureau@redhat.com> Reviewed-by: Markus Armbruster <armbru@redhat.com> [Commit message rephrased] Signed-off-by: Markus Armbruster <armbru@redhat.com>
* block/qapi: Move 'aio' option to file driverKevin Wolf2016-09-291-3/+3
| | | | | | | | | | | | | | | | | The option whether or not to use a native AIO interface really isn't a generic option for all drivers, but only applies to the native file protocols. This patch moves the option in blockdev-add to the appropriate places (raw-posix and raw-win32). We still have to keep the flag BDRV_O_NATIVE_AIO for compatibility because so far the AIO option was usually specified on the wrong layer (the top-level format driver, which didn't even look at it) and then inherited by the protocol driver (where it was actually used). We can't forbid this use except in new interfaces. Signed-off-by: Kevin Wolf <kwolf@redhat.com> Reviewed-by: Eric Blake <eblake@redhat.com> Reviewed-by: Max Reitz <mreitz@redhat.com>
* block/qapi: Use separate options type for curl driverKevin Wolf2016-09-291-7/+18
| | | | | | | | | We're going to add an option to the file drivers which doesn't apply to the curl drivers, so give them a separate option type. Signed-off-by: Kevin Wolf <kwolf@redhat.com> Reviewed-by: Eric Blake <eblake@redhat.com> Reviewed-by: Max Reitz <mreitz@redhat.com>
* block: Remove BB interface from blockdev-add/delKevin Wolf2016-09-231-24/+6Star
| | | | | | | | | With this patch, blockdev-add always works on a node level, i.e. it creates a BDS, but no BB. Consequently, x-blockdev-del doesn't need the 'device' option any more, but 'node-name' becomes mandatory. Signed-off-by: Kevin Wolf <kwolf@redhat.com> Reviewed-by: Eric Blake <eblake@redhat.com>
* block: Accept device model name for block_set_io_throttleKevin Wolf2016-09-231-3/+5
| | | | | | | | | 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 block_set_io_throttle to accept a qdev device name. Signed-off-by: Kevin Wolf <kwolf@redhat.com>
* block: Accept device model name for blockdev-change-mediumKevin Wolf2016-09-231-2/+6
| | | | | | | | | 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 blockdev-change-medium to accept a qdev device name. Signed-off-by: Kevin Wolf <kwolf@redhat.com>
* block: Accept device model name for ejectKevin Wolf2016-09-231-2/+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>
* block: Accept device model name for x-blockdev-remove-mediumKevin Wolf2016-09-231-2/+5
| | | | | | | | | | | | | 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 x-blockdev-remove-medium to accept a qdev device name. As the command is experimental, we can still remove the 'device' option that uses the BlockBackend name. This requires some test case changes and is left for another series. Signed-off-by: Kevin Wolf <kwolf@redhat.com>
* block: Accept device model name for x-blockdev-insert-mediumKevin Wolf2016-09-231-2/+5
| | | | | | | | | | | | | 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 x-blockdev-insert-medium to accept a qdev device name. As the command is experimental, we can still remove the 'device' option that uses the BlockBackend name. This requires some test case changes and is left for another series. Signed-off-by: Kevin Wolf <kwolf@redhat.com>
* block: Accept device model name for blockdev-open/close-trayKevin Wolf2016-09-231-4/+10
| | | | | | | | | 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 blockdev-open/close-tray to accept a qdev device name. Signed-off-by: Kevin Wolf <kwolf@redhat.com>
* block: Fix 'since' for compressed Drive/BlockdevBackupKevin Wolf2016-09-231-2/+2
| | | | | | | | These patches missed 2.7, update the QAPI documentation. Reported-by: Eric Blake <eblake@redhat.com> Signed-off-by: Kevin Wolf <kwolf@redhat.com> Reviewed-by: Eric Blake <eblake@redhat.com>
* Merge remote-tracking branch 'remotes/armbru/tags/pull-qapi-2016-09-19' into ↵Peter Maydell2016-09-191-0/+8
|\ | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | staging QAPI patches for 2016-09-19 # gpg: Signature made Mon 19 Sep 2016 17:27:42 BST # gpg: using RSA key 0x3870B400EB918653 # gpg: Good signature from "Markus Armbruster <armbru@redhat.com>" # gpg: aka "Markus Armbruster <armbru@pond.sub.org>" # Primary key fingerprint: 354B C8B3 D7EB 2A6B 6867 4E5F 3870 B400 EB91 8653 * remotes/armbru/tags/pull-qapi-2016-09-19: Replace qmp-commands.hx by docs/qmp-commands.txt qmp-commands.hx: fix some styling build-sys: remove qmp-commands-old.h monitor: use qmp_dispatch() tests: add a test to check invalid args qapi: check invalid arguments on no-args commands qapi: remove the "middle" mode monitor: remove mhandler.cmd_new monitor: implement 'qmp_query_commands' without qmp_cmds monitor: use qmp_find_command() (using generated qapi code) qapi: export the marshallers qmp: Hack to keep commands configuration-specific qapi: Support unregistering QMP commands monitor: register gen:false commands manually monitor: simplify invalid_qmp_mode() qapi-schema: add 'device_add' qapi-schema: use generated marshaller for 'qmp_capabilities' build-sys: define QEMU_VERSION_{MAJOR, MINOR, MICRO} Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
| * qapi: Support unregistering QMP commandsMarkus Armbruster2016-09-191-0/+8
| | | | | | | | | | | | Signed-off-by: Markus Armbruster <armbru@redhat.com> Reviewed-by: Marc-André Lureau <marcandre.lureau@redhat.com> Message-Id: <20160912091913.15831-7-marcandre.lureau@redhat.com>
* | crypto: increase default pbkdf2 time for luks to 2 secondsDaniel P. Berrange2016-09-191-1/+1
| | | | | | | | | | | | | | | | | | | | cryptsetup recently increased the default pbkdf2 time to 2 seconds to partially mitigate improvements in hardware performance wrt brute-forcing the pbkdf algorithm. This updates QEMU defaults to match. Reviewed-by: Eric Blake <eblake@redhat.com> Signed-off-by: Daniel P. Berrange <berrange@redhat.com>
* | crypto: make PBKDF iterations configurable for LUKS formatDaniel P. Berrange2016-09-191-1/+5
|/ | | | | | | | | | | | | | As protection against bruteforcing passphrases, the PBKDF algorithm is tuned by counting the number of iterations needed to produce 1 second of running time. If the machine that the image will be used on is much faster than the machine where the image is created, it can be desirable to raise the number of iterations. This change adds a new 'iter-time' property that allows the user to choose the iteration wallclock time. Reviewed-by: Eric Blake <eblake@redhat.com> Signed-off-by: Daniel P. Berrange <berrange@redhat.com>
* Merge remote-tracking branch 'remotes/stefanha/tags/block-pull-request' into ↵Peter Maydell2016-09-131-2/+34
|\ | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | staging Pull request v2: * Fixed qcow2 sanitizer warnings [Peter] * Renamed get_error test cases to get_error_all to avoid tripping "error:" grep scripts [Peter] * Added Fam's iothread stop patch # gpg: Signature made Tue 13 Sep 2016 11:02:30 BST # gpg: using RSA key 0x9CA4ABB381AB73C8 # gpg: Good signature from "Stefan Hajnoczi <stefanha@redhat.com>" # gpg: aka "Stefan Hajnoczi <stefanha@gmail.com>" # Primary key fingerprint: 8695 A8BF D3F9 7CDA AC35 775A 9CA4 ABB3 81AB 73C8 * remotes/stefanha/tags/block-pull-request: iothread: Stop threads before main() quits tests: fix qvirtqueue_kick MAINTAINERS: add maintainer for replication support replication driver in blockdev-add tests: add unit test case for replication replication: Implement new driver for block replication replication: Introduce new APIs to do replication operation configure: support replication mirror: auto complete active commit docs: block replication's description block: Link backup into block core Backup: export interfaces for extra serialization Backup: clear all bitmap when doing block checkpoint block: unblock backup operations in backing file virtio-blk: rename virtio_device_info to virtio_blk_info linux-aio: process completions from ioq_submit() linux-aio: split processing events function linux-aio: consume events in userspace instead of calling io_getevents qcow2: avoid memcpy(dst, NULL, len) Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
| * support replication driver in blockdev-addWen Congyang2016-09-131-2/+21
| | | | | | | | | | | | | | | | | | | | | | Signed-off-by: Wen Congyang <wency@cn.fujitsu.com> Signed-off-by: Changlong Xie <xiecl.fnst@cn.fujitsu.com> Signed-off-by: Wang WeiWei <wangww.fnst@cn.fujitsu.com> Signed-off-by: zhanghailiang <zhang.zhanghailiang@huawei.com> Signed-off-by: Gonglei <arei.gonglei@huawei.com> Reviewed-by: Eric Blake <eblake@redhat.com> Message-id: 1469602913-20979-12-git-send-email-xiecl.fnst@cn.fujitsu.com Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
| * replication: Introduce new APIs to do replication operationChanglong Xie2016-09-131-0/+13
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | This commit introduces six replication interfaces(for block, network etc). Firstly we can use replication_(new/remove) to create/destroy replication instances, then in migration we can use replication_(start/stop/do_checkpoint /get_error)_all to handle all replication operations. More detail please refer to replication.h Signed-off-by: Wen Congyang <wency@cn.fujitsu.com> Signed-off-by: Changlong Xie <xiecl.fnst@cn.fujitsu.com> Signed-off-by: Wang WeiWei <wangww.fnst@cn.fujitsu.com> Signed-off-by: zhanghailiang <zhang.zhanghailiang@huawei.com> Signed-off-by: Gonglei <arei.gonglei@huawei.com> Message-id: 1469602913-20979-9-git-send-email-xiecl.fnst@cn.fujitsu.com Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
* | qapi/block-core: add doc describing GlusterServer vs. SocketAddressPrasanna Kumar Kalever2016-09-131-0/+12
| | | | | | | | | | | | | | | | | | | | | | | | | | Added documentation describing relation between GlusterServer and SocketAddress qapi schemas. Thanks to Markus Armbruster <armbru@redhat.com> Reviewed-by: Markus Armbruster <armbru@redhat.com> Reviewed-by: Jeff Cody <jcody@redhat.com> Signed-off-by: Prasanna Kumar Kalever <prasanna.kalever@redhat.com> Message-id: 1471715924-3642-1-git-send-email-prasanna.kalever@redhat.com Signed-off-by: Jeff Cody <jcody@redhat.com>
* | block/gluster: add support to choose libgfapi logfilePrasanna Kumar Kalever2016-09-131-1/+4
|/ | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | currently all the libgfapi logs defaults to '/dev/stderr' as it was hardcoded in a call to glfs logging api. When the debug level is chosen to DEBUG/TRACE, gfapi logs will be huge and fill/overflow the console view. This patch provides a commandline option to mention log file path which helps in logging to the specified file and also help in persisting the gfapi logs. Usage: ----- *URI Style: --------- -drive file=gluster://hostname/volname/image.qcow2,file.debug=9,\ file.logfile=/var/log/qemu/qemu-gfapi.log *JSON Style: ---------- 'json:{ "driver":"qcow2", "file":{ "driver":"gluster", "volume":"volname", "path":"image.qcow2", "debug":"9", "logfile":"/var/log/qemu/qemu-gfapi.log", "server":[ { "type":"tcp", "host":"1.2.3.4", "port":24007 }, { "type":"unix", "socket":"/var/run/glusterd.socket" } ] } }' Reviewed-by: Jeff Cody <jcody@redhat.com> Reviewed-by: Markus Armbruster <armbru@redhat.com> Signed-off-by: Prasanna Kumar Kalever <prasanna.kalever@redhat.com> Signed-off-by: Jeff Cody <jcody@redhat.com>
* blockdev-backup: added support for data compressionPavel Butsykin2016-09-051-0/+4
| | | | | | | | | | | | | | | | | The idea is simple - backup is "written-once" data. It is written block by block and it is large enough. It would be nice to save storage space and compress it. Signed-off-by: Pavel Butsykin <pbutsykin@virtuozzo.com> Reviewed-by: Stefan Hajnoczi <stefanha@redhat.com> Signed-off-by: Denis V. Lunev <den@openvz.org> CC: Jeff Cody <jcody@redhat.com> CC: Markus Armbruster <armbru@redhat.com> CC: Eric Blake <eblake@redhat.com> CC: John Snow <jsnow@redhat.com> CC: Stefan Hajnoczi <stefanha@redhat.com> CC: Kevin Wolf <kwolf@redhat.com> Signed-off-by: Kevin Wolf <kwolf@redhat.com>
* drive-backup: added support for data compressionPavel Butsykin2016-09-051-1/+4
| | | | | | | | | | | | | | | | | | | | | | | | | | The idea is simple - backup is "written-once" data. It is written block by block and it is large enough. It would be nice to save storage space and compress it. The patch adds a flag to the qmp/hmp drive-backup command which enables block compression. Compression should be implemented in the format driver to enable this feature. There are some limitations of the format driver to allow compressed writes. We can write data only once. Though for backup this is perfectly fine. These limitations are maintained by the driver and the error will be reported if we are doing something wrong. Signed-off-by: Pavel Butsykin <pbutsykin@virtuozzo.com> Reviewed-by: Stefan Hajnoczi <stefanha@redhat.com> Signed-off-by: Denis V. Lunev <den@openvz.org> CC: Jeff Cody <jcody@redhat.com> CC: Markus Armbruster <armbru@redhat.com> CC: Eric Blake <eblake@redhat.com> CC: John Snow <jsnow@redhat.com> CC: Stefan Hajnoczi <stefanha@redhat.com> CC: Kevin Wolf <kwolf@redhat.com> Signed-off-by: Kevin Wolf <kwolf@redhat.com>
* block: simplify blockdev-backupPavel Butsykin2016-09-051-1/+5
| | | | | | | | | | | | | | | | | Now that we can support boxed commands, use it to greatly reduce the number of parameters (and likelihood of getting out of sync) when adjusting blockdev-backup parameters. Signed-off-by: Pavel Butsykin <pbutsykin@virtuozzo.com> Reviewed-by: Stefan Hajnoczi <stefanha@redhat.com> Signed-off-by: Denis V. Lunev <den@openvz.org> CC: Jeff Cody <jcody@redhat.com> CC: Markus Armbruster <armbru@redhat.com> CC: Eric Blake <eblake@redhat.com> CC: John Snow <jsnow@redhat.com> CC: Stefan Hajnoczi <stefanha@redhat.com> CC: Kevin Wolf <kwolf@redhat.com> Signed-off-by: Kevin Wolf <kwolf@redhat.com>
* block: simplify drive-backupPavel Butsykin2016-09-051-1/+2
| | | | | | | | | | | | | | | | | | Now that we can support boxed commands, use it to greatly reduce the number of parameters (and likelihood of getting out of sync) when adjusting drive-backup parameters. Signed-off-by: Pavel Butsykin <pbutsykin@virtuozzo.com> Reviewed-by: Stefan Hajnoczi <stefanha@redhat.com> Reviewed-by: Eric Blake <eblake@redhat.com> Signed-off-by: Denis V. Lunev <den@openvz.org> CC: Jeff Cody <jcody@redhat.com> CC: Markus Armbruster <armbru@redhat.com> CC: Eric Blake <eblake@redhat.com> CC: John Snow <jsnow@redhat.com> CC: Stefan Hajnoczi <stefanha@redhat.com> CC: Kevin Wolf <kwolf@redhat.com> Signed-off-by: Kevin Wolf <kwolf@redhat.com>
* nbd-server: Allow node name for nbd-server-addKevin Wolf2016-09-051-2/+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>
* block: Accept node-name for drive-mirrorKevin Wolf2016-09-051-2/+3
| | | | | | | | | | | | | | | In order to remove the necessity to use BlockBackend names in the external API, we want to allow node-names everywhere. This converts drive-mirror 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: Max Reitz <mreitz@redhat.com>
* block: Accept node-name for drive-backupKevin Wolf2016-09-051-2/+2
| | | | | | | | | | | | | | | | | In order to remove the necessity to use BlockBackend names in the external API, we want to allow node-names everywhere. This converts drive-backup and the corresponding transaction action 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>
* block: Accept node-name for change-backing-fileKevin Wolf2016-09-051-1/+2
| | | | | | | | | | | | | | | | In order to remove the necessity to use BlockBackend names in the external API, we want to allow node-names everywhere. This converts change-backing-file 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>
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