Commit Graph

80 Commits

Author SHA1 Message Date
Keqian Zhu dc14a47076 migration/throttle: Add throttle-trig-thres migration parameter
Currently, if the bytes_dirty_period is more than the 50% of
bytes_xfer_period, we start or increase throttling.

If we make this percentage higher, then we can tolerate higher
dirty rate during migration, which means less impact on guest.
The side effect of higher percentage is longer migration time.
We can make this parameter configurable to switch between mig-
ration time first or guest performance first.

The default value is 50 and valid range is 1 to 100.

Signed-off-by: Keqian Zhu <zhukeqian1@huawei.com>
Message-Id: <20200224023142.39360-1-zhukeqian1@huawei.com>
Reviewed-by: Dr. David Alan Gilbert <dgilbert@redhat.com>
Signed-off-by: Dr. David Alan Gilbert <dgilbert@redhat.com>
2020-03-13 09:36:30 +00:00
Maxim Levitsky 2bcad73c4b monitor/hmp: move hmp_info_block* to block-hmp-cmds.c
Signed-off-by: Maxim Levitsky <mlevitsk@redhat.com>
Reviewed-by: Dr. David Alan Gilbert <dgilbert@redhat.com>
Message-Id: <20200308092440.23564-11-mlevitsk@redhat.com>
Signed-off-by: Dr. David Alan Gilbert <dgilbert@redhat.com>
2020-03-09 18:20:21 +00:00
Maxim Levitsky 1061f8dd80 monitor/hmp: move remaining hmp_block* functions to block-hmp-cmds.c
Signed-off-by: Maxim Levitsky <mlevitsk@redhat.com>
Reviewed-by: Dr. David Alan Gilbert <dgilbert@redhat.com>
Message-Id: <20200308092440.23564-10-mlevitsk@redhat.com>
Signed-off-by: Dr. David Alan Gilbert <dgilbert@redhat.com>
2020-03-09 18:20:13 +00:00
Maxim Levitsky e263120ecc monitor/hmp: move hmp_nbd_server* to block-hmp-cmds.c
Signed-off-by: Maxim Levitsky <mlevitsk@redhat.com>
Reviewed-by: Dr. David Alan Gilbert <dgilbert@redhat.com>
Message-Id: <20200308092440.23564-9-mlevitsk@redhat.com>
Signed-off-by: Dr. David Alan Gilbert <dgilbert@redhat.com>
2020-03-09 18:17:58 +00:00
Maxim Levitsky fce2b91fdf monitor/hmp: move hmp_snapshot_* to block-hmp-cmds.c
hmp_snapshot_blkdev is from GPLv2 version of the hmp-cmds.c thus
have to change the licence to GPLv2

Signed-off-by: Maxim Levitsky <mlevitsk@redhat.com>
Reviewed-by: Dr. David Alan Gilbert <dgilbert@redhat.com>
Message-Id: <20200308092440.23564-8-mlevitsk@redhat.com>
Signed-off-by: Dr. David Alan Gilbert <dgilbert@redhat.com>
2020-03-09 18:07:50 +00:00
Maxim Levitsky 6b7fbf61fb monitor/hmp: move hmp_block_job* to block-hmp-cmds.c
Signed-off-by: Maxim Levitsky <mlevitsk@redhat.com>
Reviewed-by: Dr. David Alan Gilbert <dgilbert@redhat.com>
Message-Id: <20200308092440.23564-7-mlevitsk@redhat.com>
Signed-off-by: Dr. David Alan Gilbert <dgilbert@redhat.com>
2020-03-09 18:07:48 +00:00
Maxim Levitsky 0932e3f23d monitor/hmp: move hmp_drive_mirror and hmp_drive_backup to block-hmp-cmds.c
Moved code was added after 2012-01-13, thus under GPLv2+

Signed-off-by: Maxim Levitsky <mlevitsk@redhat.com>
Reviewed-by: Dr. David Alan Gilbert <dgilbert@redhat.com>
Message-Id: <20200308092440.23564-6-mlevitsk@redhat.com>
Signed-off-by: Dr. David Alan Gilbert <dgilbert@redhat.com>
  Fixed commit message
2020-03-09 18:07:35 +00:00
Maxim Levitsky a2dde2f221 monitor/hmp: rename device-hotplug.c to block/monitor/block-hmp-cmds.c
These days device-hotplug.c only contains the hmp_drive_add
In the next patch, rest of hmp_drive* functions will be moved
there.

Also add block-hmp-cmds.h to contain prototypes of these
functions

License for block-hmp-cmds.h since it contains the code
moved from sysemu.h which lacks license and thus according
to LICENSE is under GPLv2+

Signed-off-by: Maxim Levitsky <mlevitsk@redhat.com>
Reviewed-by: Markus Armbruster <armbru@redhat.com>
Message-Id: <20200308092440.23564-4-mlevitsk@redhat.com>
Signed-off-by: Dr. David Alan Gilbert <dgilbert@redhat.com>
2020-03-09 18:05:31 +00:00
Chen Qun 916c92503b monitor/hmp-cmds: Remove redundant statement in hmp_rocker_of_dpa_groups()
Clang static code analyzer show warning:
monitor/hmp-cmds.c:2867:17: warning: Value stored to 'set' is never read
                set = true;
                ^     ~~~~

Reported-by: Euler Robot <euler.robot@huawei.com>
Signed-off-by: Chen Qun <kuhn.chenqun@huawei.com>
Reviewed-by: Philippe Mathieu-Daudé <philmd@redhat.com>
Reviewed-by: Laurent Vivier <laurent@vivier.eu>
Message-Id: <20200302130715.29440-14-kuhn.chenqun@huawei.com>
Signed-off-by: Laurent Vivier <laurent@vivier.eu>
2020-03-09 15:59:31 +01:00
Kevin Wolf 2af282ec51 qemu-storage-daemon: Add --monitor option
This adds and parses the --monitor option, so that a QMP monitor can be
used in the storage daemon. The monitor offers commands defined in the
QAPI schema at storage-daemon/qapi/qapi-schema.json.

The --monitor options currently allows to create multiple monitors with
the same ID. This part of the interface is considered unstable. We will
reject such configurations as soon as we have a design for the monitor
subsystem to perform these checks. (In the system emulator, we depend on
QemuOpts rejecting duplicate IDs.)

Signed-off-by: Kevin Wolf <kwolf@redhat.com>
Message-Id: <20200224143008.13362-21-kwolf@redhat.com>
Acked-by: Stefan Hajnoczi <stefanha@redhat.com>
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
2020-03-06 17:21:28 +01:00
Kevin Wolf a2f411c467 monitor: Add allow_hmp parameter to monitor_init()
Add a new parameter allow_hmp to monitor_init() so that the storage
daemon can disable HMP.

Signed-off-by: Kevin Wolf <kwolf@redhat.com>
Message-Id: <20200224143008.13362-20-kwolf@redhat.com>
Acked-by: Stefan Hajnoczi <stefanha@redhat.com>
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
2020-03-06 17:21:28 +01:00
Kevin Wolf 8e9119a807 hmp: Fail gracefully if chardev is already in use
Trying to attach a HMP monitor to a chardev that is already in use
results in a crash because monitor_init_hmp() passes &error_abort to
qemu_chr_fe_init():

$ ./x86_64-softmmu/qemu-system-x86_64 --chardev stdio,id=foo --mon foo --mon foo
QEMU 4.2.50 monitor - type 'help' for more information
(qemu) Unexpected error in qemu_chr_fe_init() at chardev/char-fe.c:220:
qemu-system-x86_64: --mon foo: Device 'foo' is in use
Abgebrochen (Speicherabzug geschrieben)

Fix this by allowing monitor_init_hmp() to return an error and passing
any error in qemu_chr_fe_init() to its caller instead of aborting.

Signed-off-by: Kevin Wolf <kwolf@redhat.com>
Message-Id: <20200224143008.13362-19-kwolf@redhat.com>
Acked-by: Stefan Hajnoczi <stefanha@redhat.com>
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
2020-03-06 17:21:28 +01:00
Kevin Wolf f27a9bb3e9 qmp: Fail gracefully if chardev is already in use
Trying to attach a QMP monitor to a chardev that is already in use
results in a crash because monitor_init_qmp() passes &error_abort to
qemu_chr_fe_init():

$ ./x86_64-softmmu/qemu-system-x86_64 --chardev stdio,id=foo --mon foo,mode=control --mon foo,mode=control
Unexpected error in qemu_chr_fe_init() at chardev/char-fe.c:220:
qemu-system-x86_64: --mon foo,mode=control: Device 'foo' is in use
Abgebrochen (Speicherabzug geschrieben)

Fix this by allowing monitor_init_qmp() to return an error and passing
any error in qemu_chr_fe_init() to its caller instead of aborting.

Signed-off-by: Kevin Wolf <kwolf@redhat.com>
Message-Id: <20200224143008.13362-18-kwolf@redhat.com>
Acked-by: Stefan Hajnoczi <stefanha@redhat.com>
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
2020-03-06 17:21:28 +01:00
Kevin Wolf f2098725aa monitor: Create QAPIfied monitor_init()
This adds a new QAPI-based monitor_init() function. The existing
monitor_init_opts() is rewritten to simply put its QemuOpts parameter
into a visitor and pass the resulting QAPI object to monitor_init().

This will cause some change in those error messages for the monitor
options in the system emulator that are now generated by the visitor
rather than explicitly checked in monitor_init_opts().

Signed-off-by: Kevin Wolf <kwolf@redhat.com>
Message-Id: <20200224143008.13362-17-kwolf@redhat.com>
Acked-by: Stefan Hajnoczi <stefanha@redhat.com>
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
2020-03-06 17:21:28 +01:00
Kevin Wolf c62d24e906 blockdev-nbd: Boxed argument type for nbd-server-add
Move the arguments of nbd-server-add to a new struct BlockExportNbd and
convert the command to 'boxed': true. This makes it easier to share code
with the storage daemon.

Signed-off-by: Kevin Wolf <kwolf@redhat.com>
Message-Id: <20200224143008.13362-11-kwolf@redhat.com>
Acked-by: Stefan Hajnoczi <stefanha@redhat.com>
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
2020-03-06 17:21:28 +01:00
Kevin Wolf 5f07c4d60d qapi: Flatten object-add
Mapping object-add to the command line as is doesn't result in nice
syntax because of the nesting introduced with 'props'. This becomes
nicer and more consistent with device_add and netdev_add when we accept
properties for the object on the top level instead.

'props' is still accepted after this patch, but marked as deprecated.

Signed-off-by: Kevin Wolf <kwolf@redhat.com>
Message-Id: <20200224143008.13362-8-kwolf@redhat.com>
Acked-by: Stefan Hajnoczi <stefanha@redhat.com>
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
2020-03-06 17:21:27 +01:00
Kevin Wolf 5a16818b45 block: Move sysemu QMP commands to QAPI block module
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>
2020-03-06 17:15:38 +01:00
Juan Quintela 6a9ad15420 multifd: Add multifd-zstd-level parameter
This parameter specifies the zstd compression level. The next patch
will put it to use.

Signed-off-by: Juan Quintela <quintela@redhat.com>
Reviewed-by: Peter Xu <peterx@redhat.com>
Acked-by: Markus Armbruster <armbru@redhat.com>
2020-02-28 09:25:28 +01:00
Juan Quintela 9004db48c0 multifd: Add multifd-zlib-level parameter
This parameter specifies the zlib compression level. The next patch
will put it to use.

Signed-off-by: Juan Quintela <quintela@redhat.com>
Acked-by: Markus Armbruster <armbru@redhat.com>
Reviewed-by: Dr. David Alan Gilbert <dgilbert@redhat.com>
2020-02-28 09:24:43 +01:00
Juan Quintela 96eef04238 multifd: Add multifd-compression parameter
This will store the compression method to use.  We start with none.

Signed-off-by: Juan Quintela <quintela@redhat.com>
Acked-by: Markus Armbruster <armbru@redhat.com>
Reviewed-by: Dr. David Alan Gilbert <dgilbert@redhat.com>

---

Rename multifd-method to multifd-compression
2020-02-28 09:24:43 +01:00
Peter Krempa facda5443f qapi: Allow getting flat output from 'query-named-block-nodes'
When a management application manages node names there's no reason to
recurse into backing images in the output of query-named-block-nodes.

Add a parameter to the command which will return just the top level
structs.

Signed-off-by: Peter Krempa <pkrempa@redhat.com>
Message-Id: <4470f8c779abc404dcf65e375db195cd91a80651.1579509782.git.pkrempa@redhat.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
[mreitz: Fixed coding style]
Signed-off-by: Max Reitz <mreitz@redhat.com>
2020-02-20 16:43:42 +01:00
Kevin Wolf 7d3f505359 monitor: Move qmp_query_qmp_schema to qmp-cmds-control.c
monitor/misc.c contains code that works only in the system emulator, so
it can't be linked to tools like a storage daemon. In order to make
schema introspection available for tools, move the function to
monitor/qmp-cmds-control.c, which can be linked into the storage daemon.

Signed-off-by: Kevin Wolf <kwolf@redhat.com>
Reviewed-by: Markus Armbruster <armbru@redhat.com>
Message-Id: <20200129102239.31435-5-kwolf@redhat.com>
Signed-off-by: Markus Armbruster <armbru@redhat.com>
2020-02-17 13:53:47 +01:00
Kevin Wolf 567628163e monitor: Collect "control" command handlers in qmp-cmds.control.c
Move all of the QMP commands handlers to implement the 'control' module
(qapi/control.json) that can be shared between the system emulator and
tools such as a storage daemon to a new file monitor/qmp-cmds-control.c.

Signed-off-by: Kevin Wolf <kwolf@redhat.com>
Reviewed-by: Markus Armbruster <armbru@redhat.com>
Message-Id: <20200129102239.31435-4-kwolf@redhat.com>
[Commit message tweaked]
Signed-off-by: Markus Armbruster <armbru@redhat.com>
2020-02-17 13:53:47 +01:00
Kevin Wolf fa4dcf577e qapi: Split control.json off misc.json
misc.json contains definitions that are related to the system emulator,
so it can't be used for other tools like the storage daemon. This patch
moves basic functionality that is shared between all tools (and mostly
related to the monitor itself) into a new control.json, which could be
used in tools as well.

Signed-off-by: Kevin Wolf <kwolf@redhat.com>
Reviewed-by: Markus Armbruster <armbru@redhat.com>
Message-Id: <20200129102239.31435-3-kwolf@redhat.com>
[Commit message tweaked]
Signed-off-by: Markus Armbruster <armbru@redhat.com>
2020-02-17 13:53:47 +01:00
Kevin Wolf c3e9555182 monitor: Move monitor option parsing to monitor/monitor.c
Both the system emulators and tools with QMP support (specifically, the
planned storage daemon) will need to parse monitor options, so move that
code to monitor/monitor.c, which can be linked into binaries that aren't
a system emulator.

Signed-off-by: Kevin Wolf <kwolf@redhat.com>
Reviewed-by: Markus Armbruster <armbru@redhat.com>
Message-Id: <20200129102239.31435-2-kwolf@redhat.com>
Signed-off-by: Markus Armbruster <armbru@redhat.com>
2020-02-17 13:47:48 +01:00
Peter Maydell 5b7686f3fa nbd patches for 2020-02-06
- Allow setting NBD description from QMP for parity with qemu-nbd
 - Remove deprecated 'qemu-nbd --partition'
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Merge remote-tracking branch 'remotes/ericb/tags/pull-nbd-2020-02-06' into staging

nbd patches for 2020-02-06

- Allow setting NBD description from QMP for parity with qemu-nbd
- Remove deprecated 'qemu-nbd --partition'

# gpg: Signature made Thu 06 Feb 2020 12:50:46 GMT
# gpg:                using RSA key 71C2CC22B1C4602927D2F3AAA7A16B4A2527436A
# 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-2020-02-06:
  qemu-nbd: Removed deprecated --partition option
  docs: Fix typo in qemu-nbd -P replacement
  nbd: Allow description when creating NBD blockdev

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2020-02-06 18:59:12 +00:00
Chen Qun a661614de1 monitor: fix memory leak in monitor_fdset_dup_fd_find_remove
When remove dup_fd in monitor_fdset_dup_fd_find_remove function,
we need to free mon_fdset_fd_dup. ASAN shows memory leak stack:

Direct leak of 96 byte(s) in 3 object(s) allocated from:
    #0 0xfffd37b033b3 in __interceptor_calloc (/lib64/libasan.so.4+0xd33b3)
    #1 0xfffd375c71cb in g_malloc0 (/lib64/libglib-2.0.so.0+0x571cb)
    #2 0xaaae25bf1c17 in monitor_fdset_dup_fd_add /qemu/monitor/misc.c:1724
    #3 0xaaae265cfd8f in qemu_open /qemu/util/osdep.c:315
    #4 0xaaae264e2b2b in qmp_chardev_open_file_source /qemu/chardev/char-fd.c:122
    #5 0xaaae264e47cf in qmp_chardev_open_file /qemu/chardev/char-file.c:81
    #6 0xaaae264e118b in qemu_char_open /qemu/chardev/char.c:237
    #7 0xaaae264e118b in qemu_chardev_new /qemu/chardev/char.c:964
    #8 0xaaae264e1543 in qemu_chr_new_from_opts /qemu/chardev/char.c:680
    #9 0xaaae25e12e0f in chardev_init_func /qemu/vl.c:2083
    #10 0xaaae26603823 in qemu_opts_foreach /qemu/util/qemu-option.c:1170
    #11 0xaaae258c9787 in main /qemu/vl.c:4089
    #12 0xfffd35b80b9f in __libc_start_main (/lib64/libc.so.6+0x20b9f)
    #13 0xaaae258d7b63  (/qemu/build/aarch64-softmmu/qemu-system-aarch64+0x8b7b63)

Reported-by: Euler Robot <euler.robot@huawei.com>
Signed-off-by: Chen Qun <kuhn.chenqun@huawei.com>
Reviewed-by: Marc-André Lureau <marcandre.lureau@redhat.com>
Message-Id: <20200115072016.167252-1-kuhn.chenqun@huawei.com>
Signed-off-by: Laurent Vivier <laurent@vivier.eu>
2020-02-06 10:41:45 +01:00
Eric Blake deb6ccb077 nbd: Allow description when creating NBD blockdev
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>
2020-02-05 17:22:13 -06:00
Marc-André Lureau 9159015995 qdev: move helper function to monitor/misc
Move the one-user function to the place it is being used.

Signed-off-by: Marc-André Lureau <marcandre.lureau@redhat.com>
Reviewed-by: Philippe Mathieu-Daudé <philmd@redhat.com>
Message-Id: <20200110153039.1379601-5-marcandre.lureau@redhat.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2020-01-24 20:59:12 +01:00
Peter Maydell e021e6fe52 QAPI patches for 2020-01-14
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Merge remote-tracking branch 'remotes/armbru/tags/pull-qapi-2020-01-14' into staging

QAPI patches for 2020-01-14

# gpg: Signature made Tue 14 Jan 2020 10:15:22 GMT
# gpg:                using RSA key 354BC8B3D7EB2A6B68674E5F3870B400EB918653
# gpg:                issuer "armbru@redhat.com"
# 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-qapi-2020-01-14:
  qapi: Simplify QAPISchemaModularCVisitor
  qapi: Fix code generation for empty modules
  qapi: Proper intermediate representation for modules
  qapi: Generate command registration stuff into separate files
  tests/Makefile.include: Fix missing test-qapi-emit-events.[ch]
  qapi: Tweak "command returns a nice type" check for clarity

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2020-01-14 16:42:27 +00:00
Markus Armbruster 00ca24ff9e qapi: Generate command registration stuff into separate files
Having to include qapi-commands.h just for qmp_init_marshal() is
suboptimal.  Generate it into separate files.  This lets
monitor/misc.c, qga/main.c, and the generated qapi-commands-FOO.h
include less.

Signed-off-by: Markus Armbruster <armbru@redhat.com>
Message-Id: <20191120182551.23795-4-armbru@redhat.com>
[Typos in docs/devel/qapi-code-gen.txt fixed]
Reviewed-by: Eric Blake <eblake@redhat.com>
2020-01-14 11:01:58 +01:00
Philippe Mathieu-Daudé 083b266f69 chardev: Use QEMUChrEvent enum in IOEventHandler typedef
The Chardev events are listed in the QEMUChrEvent enum.

By using the enum in the IOEventHandler typedef we:

- make the IOEventHandler type more explicit (this handler
  process out-of-band information, while the IOReadHandler
  is in-band),
- help static code analyzers.

This patch was produced with the following spatch script:

  @match@
  expression backend, opaque, context, set_open;
  identifier fd_can_read, fd_read, fd_event, be_change;
  @@
  qemu_chr_fe_set_handlers(backend, fd_can_read, fd_read, fd_event,
                           be_change, opaque, context, set_open);

  @depends on match@
  identifier opaque, event;
  identifier match.fd_event;
  @@
   static
  -void fd_event(void *opaque, int event)
  +void fd_event(void *opaque, QEMUChrEvent event)
   {
   ...
   }

Then the typedef was modified manually in
include/chardev/char-fe.h.

Signed-off-by: Philippe Mathieu-Daudé <philmd@redhat.com>
Acked-by: Corey Minyard <cminyard@mvista.com>
Acked-by: Cornelia Huck <cohuck@redhat.com>
Reviewed-by: Marc-André Lureau <marcandre.lureau@redhat.com>
Message-Id: <20191218172009.8868-15-philmd@redhat.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2020-01-08 11:15:35 +01:00
Philippe Mathieu-Daudé 4904ca6a7e monitor/hmp: Explicit we ignore a QEMUChrEvent in IOEventHandler
The Chardev events are listed in the QEMUChrEvent enum. To be
able to use this enum in the IOEventHandler typedef, we need to
explicit an event ignored by this frontend, to silent the
following GCC warning:

    CC      monitor/hmp.o
  monitor/hmp.c: In function ‘monitor_event’:
  monitor/hmp.c:1330:5: error: enumeration value ‘CHR_EVENT_BREAK’ not handled in switch [-Werror=switch]
   1330 |     switch (event) {
        |     ^~~~~~
  cc1: all warnings being treated as errors

Acked-by: Dr. David Alan Gilbert <dgilbert@redhat.com>
Signed-off-by: Philippe Mathieu-Daudé <philmd@redhat.com>
Reviewed-by: Marc-André Lureau <marcandre.lureau@redhat.com>
Message-Id: <20191218172009.8868-13-philmd@redhat.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2020-01-07 16:22:56 +01:00
Philippe Mathieu-Daudé ed7c5bb7ad monitor/qmp: Explicit we ignore few QEMUChrEvent in IOEventHandler
The Chardev events are listed in the QEMUChrEvent enum. To be
able to use this enum in the IOEventHandler typedef, we need to
explicit all the events ignored by this frontend, to silent the
following GCC warning:

    CC      monitor/qmp.o
  monitor/qmp.c: In function ‘monitor_qmp_event’:
  monitor/qmp.c:345:5: error: enumeration value ‘CHR_EVENT_BREAK’ not handled in switch [-Werror=switch]
    345 |     switch (event) {
        |     ^~~~~~
  monitor/qmp.c:345:5: error: enumeration value ‘CHR_EVENT_MUX_IN’ not handled in switch [-Werror=switch]
  monitor/qmp.c:345:5: error: enumeration value ‘CHR_EVENT_MUX_OUT’ not handled in switch [-Werror=switch]
  cc1: all warnings being treated as errors

Signed-off-by: Philippe Mathieu-Daudé <philmd@redhat.com>
Reviewed-by: Marc-André Lureau <marcandre.lureau@redhat.com>
Reviewed-by: Markus Armbruster <armbru@redhat.com>
Message-Id: <20191218172009.8868-12-philmd@redhat.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2020-01-07 16:22:56 +01:00
Peter Maydell 1010af540b Block layer patches:
- qemu-img: fix info --backing-chain --image-opts
 - Error out on image creation with conflicting size options
 - Fix external snapshot with VM state
 - hmp: Allow using qdev ID for qemu-io command
 - Misc code cleanup
 - Many iotests improvements
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Merge remote-tracking branch 'remotes/kevin/tags/for-upstream' into staging

Block layer patches:

- qemu-img: fix info --backing-chain --image-opts
- Error out on image creation with conflicting size options
- Fix external snapshot with VM state
- hmp: Allow using qdev ID for qemu-io command
- Misc code cleanup
- Many iotests improvements

# gpg: Signature made Thu 19 Dec 2019 17:23:11 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: (30 commits)
  iotests: Test external snapshot with VM state
  hmp: Allow using qdev ID for qemu-io command
  block: Activate recursively even for already active nodes
  iotests: 211: Remove duplication with VM.blockdev_create()
  iotests: 207: Remove duplication with VM.blockdev_create()
  iotests: 266: Convert to VM.blockdev_create()
  iotests: 237: Convert to VM.blockdev_create()
  iotests: 213: Convert to VM.blockdev_create()
  iotests: 212: Convert to VM.blockdev_create()
  iotests: 210: Convert to VM.blockdev_create()
  iotests: 206: Convert to VM.blockdev_create()
  iotests: 255: Drop blockdev_create()
  iotests: Create VM.blockdev_create()
  qcow2: Move error check of local_err near its assignment
  iotests: Fix IMGOPTSSYNTAX for nbd
  iotests/273: Filter format-specific information
  iotests: Add more "_require_drivers" checks to the shell-based tests
  MAINTAINERS: fix qcow2-bitmap.c under Dirty Bitmaps header
  qcow2: Use offset_into_cluster()
  iotests: Support job-complete in run_job()
  ...

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2019-12-20 18:25:32 +00:00
Peter Maydell 8e5943260a Trivial fixes (20191218)
-----BEGIN PGP SIGNATURE-----
 
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 -----END PGP SIGNATURE-----

Merge remote-tracking branch 'remotes/vivier2/tags/trivial-branch-pull-request' into staging

Trivial fixes (20191218)

# gpg: Signature made Wed 18 Dec 2019 13:00:34 GMT
# gpg:                using RSA key CD2F75DDC8E3A4DC2E4F5173F30C38BD3F2FBE3C
# gpg:                issuer "laurent@vivier.eu"
# gpg: Good signature from "Laurent Vivier <lvivier@redhat.com>" [full]
# gpg:                 aka "Laurent Vivier <laurent@vivier.eu>" [full]
# gpg:                 aka "Laurent Vivier (Red Hat) <lvivier@redhat.com>" [full]
# Primary key fingerprint: CD2F 75DD C8E3 A4DC 2E4F  5173 F30C 38BD 3F2F BE3C

* remotes/vivier2/tags/trivial-branch-pull-request:
  qemu-doc: Remove the unused "Guest Agent" node
  Revert "qemu-options.hx: Update for reboot-timeout parameter"
  target/sparc: Remove old TODO file
  test-keyval: Tighten test of trailing crap after size
  util/cutils: Turn FIXME comment into QEMU_BUILD_BUG_ON()
  monitor: Remove unused define
  MAINTAINERS: Add hw/sd/ssi-sd.c in the SD section

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2019-12-20 12:46:10 +00:00
Peter Maydell 4800819827 * More uses of RCU_READ_LOCK_GUARD (Dave, myself)
* QOM doc improvments (Greg)
 * Cleanups from the Meson conversion (Marc-André)
 * Support for multiple -accel options (myself)
 * Many x86 machine cleanup (Philippe, myself)
 * tests/migration-test cleanup (Juan)
 * PC machine removal and next round of deprecation (Thomas)
 * kernel-doc integration (Peter, myself)
 -----BEGIN PGP SIGNATURE-----
 Version: GnuPG v2.0.22 (GNU/Linux)
 
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 =hyYX
 -----END PGP SIGNATURE-----

Merge remote-tracking branch 'remotes/bonzini/tags/for-upstream' into staging

* More uses of RCU_READ_LOCK_GUARD (Dave, myself)
* QOM doc improvments (Greg)
* Cleanups from the Meson conversion (Marc-André)
* Support for multiple -accel options (myself)
* Many x86 machine cleanup (Philippe, myself)
* tests/migration-test cleanup (Juan)
* PC machine removal and next round of deprecation (Thomas)
* kernel-doc integration (Peter, myself)

# gpg: Signature made Wed 18 Dec 2019 01:35:02 GMT
# gpg:                using RSA key BFFBD25F78C7AE83
# gpg: Good signature from "Paolo Bonzini <bonzini@gnu.org>" [full]
# gpg:                 aka "Paolo Bonzini <pbonzini@redhat.com>" [full]
# Primary key fingerprint: 46F5 9FBD 57D6 12E7 BFD4  E2F7 7E15 100C CD36 69B1
#      Subkey fingerprint: F133 3857 4B66 2389 866C  7682 BFFB D25F 78C7 AE83

* remotes/bonzini/tags/for-upstream: (87 commits)
  vga: cleanup mapping of VRAM for non-PCI VGA
  hw/display: Remove "rombar" hack from vga-pci and vmware_vga
  hw/pci: Remove the "command_serr_enable" property
  hw/audio: Remove the "use_broken_id" hack from the AC97 device
  hw/i386: Remove the deprecated machines 0.12 up to 0.15
  hw/pci-host: Add Kconfig entry to select the IGD Passthrough Host Bridge
  hw/pci-host/i440fx: Extract the IGD passthrough host bridge device
  hw/pci-host/i440fx: Use definitions instead of magic values
  hw/pci-host/i440fx: Use size_t to iterate over ARRAY_SIZE()
  hw/pci-host/i440fx: Extract PCII440FXState to "hw/pci-host/i440fx.h"
  hw/pci-host/i440fx: Correct the header description
  Fix some comment spelling errors.
  target/i386: remove unused pci-assign codes
  WHPX: refactor load library
  migration: check length directly to make sure the range is aligned
  memory: include MemoryListener documentation and some missing function parameters
  docs: add memory API reference
  memory.h: Silence kernel-doc complaints
  docs: Create bitops.rst as example of kernel-docs
  bitops.h: Silence kernel-doc complaints
  ...

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2019-12-20 11:20:25 +00:00
Kevin Wolf 89b6fc4561 hmp: Allow using qdev ID for qemu-io command
In order to issue requests on an existing BlockBackend with the
'qemu-io' HMP command, allow specifying the BlockBackend not only with a
BlockBackend name, but also with a qdev ID/QOM path for a device that
owns the (possibly anonymous) BlockBackend.

Because qdev names could be conflicting with BlockBackend and node
names, introduce a -d option to explicitly address a device. If the
option is not given, a BlockBackend or a node is addressed.

Signed-off-by: Kevin Wolf <kwolf@redhat.com>
2019-12-19 18:04:25 +01:00
Yury Kotov f8b345e414 monitor: Remove unused define
Remove the definition of QMP_ACCEPT_UNKNOWNS as it is unused since
refactoring 5c678ee8d9

Signed-off-by: Yury Kotov <yury-kotov@yandex-team.ru>
Reviewed-by: Marc-André Lureau <marcandre.lureau@redhat.com>
Reviewed-by: Philippe Mathieu-Daudé <philmd@redhat.com>
Message-Id: <20191119110709.13827-1-yury-kotov@yandex-team.ru>
Signed-off-by: Laurent Vivier <laurent@vivier.eu>
2019-12-18 12:20:25 +01:00
Vladimir Sementsov-Ogievskiy ec48595e2d monitor/qmp-cmds: rename Error ** parameter to more common errp
Signed-off-by: Vladimir Sementsov-Ogievskiy <vsementsov@virtuozzo.com>
Message-Id: <20191205174635.18758-14-vsementsov@virtuozzo.com>
Reviewed-by: Philippe Mathieu-Daudé <philmd@redhat.com>
Signed-off-by: Markus Armbruster <armbru@redhat.com>
2019-12-18 08:43:19 +01:00
Vladimir Sementsov-Ogievskiy 187c614767 hmp: drop Error pointer indirection in hmp_handle_error
We don't need Error **, as all callers pass local Error object, which
isn't used after the call. Use Error * instead.

Signed-off-by: Vladimir Sementsov-Ogievskiy <vsementsov@virtuozzo.com>
Acked-by: Dr. David Alan Gilbert <dgilbert@redhat.com>
Reviewed-by: Markus Armbruster <armbru@redhat.com>
Message-Id: <20191205174635.18758-5-vsementsov@virtuozzo.com>
Reviewed-by: Philippe Mathieu-Daudé <philmd@redhat.com>
Signed-off-by: Markus Armbruster <armbru@redhat.com>
2019-12-18 08:36:16 +01:00
Marc-André Lureau a85d0bf361 monitor: fix maybe-uninitialized
../monitor/misc.c: In function ‘mon_get_cpu_sync’:
/home/elmarco/src/qq/include/sysemu/hw_accel.h:22:9: error: ‘cpu’ may be used uninitialized in this function [-Werror=maybe-uninitialized]
   22 |         kvm_cpu_synchronize_state(cpu);
      |         ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
../monitor/misc.c:397:15: note: ‘cpu’ was declared here
  397 |     CPUState *cpu;
      |               ^~~

Signed-off-by: Marc-André Lureau <marcandre.lureau@redhat.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2019-12-17 19:32:47 +01:00
Wolfgang Bumiller 2895aaa139 monitor/qmp: resume monitor when clearing its queue
When a monitor's queue is filled up in handle_qmp_command()
it gets suspended. It's the dispatcher bh's job currently to
resume the monitor, which it does after processing an event
from the queue. However, it is possible for a
CHR_EVENT_CLOSED event to be processed before before the bh
is scheduled, which will clear the queue without resuming
the monitor, thereby preventing the dispatcher from reaching
the resume() call.
Any new connections to the qmp socket will be accept()ed and
show the greeting, but will not respond to any messages sent
afterwards (as they will not be read from the
still-suspended socket).
Fix this by resuming the monitor when clearing a queue which
was filled up.

Signed-off-by: Wolfgang Bumiller <w.bumiller@proxmox.com>
Message-Id: <20191115085914.21287-1-w.bumiller@proxmox.com>
2019-11-19 08:21:47 +01:00
Wei Yang 038adc2f58 core: replace getpagesize() with qemu_real_host_page_size
There are three page size in qemu:

  real host page size
  host page size
  target page size

All of them have dedicate variable to represent. For the last two, we
use the same form in the whole qemu project, while for the first one we
use two forms: qemu_real_host_page_size and getpagesize().

qemu_real_host_page_size is defined to be a replacement of
getpagesize(), so let it serve the role.

[Note] Not fully tested for some arch or device.

Signed-off-by: Wei Yang <richardw.yang@linux.intel.com>
Message-Id: <20191013021145.16011-3-richardw.yang@linux.intel.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2019-10-26 15:38:06 +02:00
Peter Maydell f3b8f18ebf Monitor patches for 2019-08-21
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 -----END PGP SIGNATURE-----

Merge remote-tracking branch 'remotes/armbru/tags/pull-monitor-2019-08-21' into staging

Monitor patches for 2019-08-21

# gpg: Signature made Wed 21 Aug 2019 16:35:07 BST
# gpg:                using RSA key 354BC8B3D7EB2A6B68674E5F3870B400EB918653
# gpg:                issuer "armbru@redhat.com"
# 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-monitor-2019-08-21:
  monitor/qmp: Update comment for commit 4eaca8de26
  qdev: Collect HMP handlers command handlers in qdev-monitor.c
  qapi: Move query-target from misc.json to machine.json
  hw/core: Move cpu.c, cpu.h from qom/ to hw/core/

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2019-08-22 10:31:21 +01:00
Markus Armbruster eb707eac58 monitor/qmp: Update comment for commit 4eaca8de26
Commit 4eaca8de26 dropped monitor_qmp_respond()'s parameter @id
without updating its function comment.  Fix that.

Signed-off-by: Markus Armbruster <armbru@redhat.com>
Message-Id: <20190816193305.12090-1-armbru@redhat.com>
2019-08-21 17:33:38 +02:00
Markus Armbruster d94bd0927e qdev: Collect HMP handlers command handlers in qdev-monitor.c
Move hmp_device_add(), hmp_device_del() from monitor/hmp-cmds.c to
qdev-monitor.c, where they are covered by MAINTAINERS section "QOM",
just like qapi/qdev.json.  hmp_info_qtree() and hmp_info_qdm() are
already there.

Signed-off-by: Markus Armbruster <armbru@redhat.com>
Message-Id: <20190709185936.31335-1-armbru@redhat.com>
Reviewed-by: Philippe Mathieu-Daudé <philmd@redhat.com>
Tested-by: Philippe Mathieu-Daudé <philmd@redhat.com>
2019-08-21 13:24:01 +02:00
Kővágó, Zoltán f0b9f36d71 audio: add audiodev property to vnc and wav_capture
Signed-off-by: Kővágó, Zoltán <DirtY.iCE.hu@gmail.com>
Message-id: 8cbc9e865bbf40850c14340fc0549e6ac2d5fe9c.1566168923.git.DirtY.iCE.hu@gmail.com
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
2019-08-21 09:13:37 +02:00
Kővágó, Zoltán ecd97e9592 audio: basic support for multi backend audio
Audio functions no longer access glob_audio_state, instead they get an
AudioState as a parameter.  This is required in order to support
multiple backends.

glob_audio_state is also gone, and replaced with a tailq so we can store
more than one states.

Signed-off-by: Kővágó, Zoltán <DirtY.iCE.hu@gmail.com>
Message-id: 67aef54f9e729a7160fe95c465351115e392164b.1566168923.git.DirtY.iCE.hu@gmail.com
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
2019-08-21 09:13:37 +02:00
Peter Maydell 95a9457fd4 Header cleanup patches for 2019-08-13
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Merge remote-tracking branch 'remotes/armbru/tags/pull-include-2019-08-13-v2' into staging

Header cleanup patches for 2019-08-13

# gpg: Signature made Fri 16 Aug 2019 12:39:12 BST
# gpg:                using RSA key 354BC8B3D7EB2A6B68674E5F3870B400EB918653
# gpg:                issuer "armbru@redhat.com"
# 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-include-2019-08-13-v2: (29 commits)
  sysemu: Split sysemu/runstate.h off sysemu/sysemu.h
  sysemu: Move the VMChangeStateEntry typedef to qemu/typedefs.h
  Include sysemu/sysemu.h a lot less
  Clean up inclusion of sysemu/sysemu.h
  numa: Move remaining NUMA declarations from sysemu.h to numa.h
  Include sysemu/hostmem.h less
  numa: Don't include hw/boards.h into sysemu/numa.h
  Include hw/boards.h a bit less
  Include hw/qdev-properties.h less
  Include qemu/main-loop.h less
  Include qemu/queue.h slightly less
  Include hw/hw.h exactly where needed
  Include qom/object.h slightly less
  Include exec/memory.h slightly less
  Include migration/vmstate.h less
  migration: Move the VMStateDescription typedef to typedefs.h
  Clean up inclusion of exec/cpu-common.h
  Include hw/irq.h a lot less
  typedefs: Separate incomplete types and function types
  ide: Include hw/ide/internal a bit less outside hw/ide/
  ...

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2019-08-16 14:53:43 +01:00