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Currently macvtap based macvlan device is working in promiscuous
mode, we want to implement mac-programming over macvtap through
Libvirt for better performance.
Design:
QEMU notifies Libvirt when rx-filter config is changed in guest,
then Libvirt query the rx-filter information by a monitor command,
and sync the change to macvtap device. Related rx-filter config
of the nic contains main mac, rx-mode items and vlan table.
This patch adds a QMP event to notify management of rx-filter change,
and adds a monitor command for management to query rx-filter
information.
Test:
If we repeatedly add/remove vlan, and change macaddr of vlan
interfaces in guest by a loop script.
Result:
The events will flood the QMP client(management), management takes
too much resource to process the events.
Event_throttle API (set rate to 1 ms) can avoid the events to flood
QMP client, but it could cause an unexpected delay (~1ms), guests
guests normally expect rx-filter updates immediately.
So we use a flag for each nic to avoid events flooding, the event
is emitted once until the query command is executed. The flag
implementation could not introduce unexpected delay.
There maybe exist an uncontrollable delay if we let Libvirt do the
real change, guests normally expect rx-filter updates immediately.
But it's another separate issue, we can investigate it when the
work in Libvirt side is done.
Michael S. Tsirkin: tweaked to enable events on start
Michael S. Tsirkin: fixed not to crash when no id
Michael S. Tsirkin: fold in patch:
"additional fixes for mac-programming feature"
Amos Kong: always notify QMP client if mactable is changed
Amos Kong: return NULL list if no net client supports rx-filter query
Reviewed-by: Eric Blake <eblake@redhat.com>
Reviewed-by: Markus Armbruster <armbru@redhat.com>
Signed-off-by: Amos Kong <akong@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
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Fix RTC_CHANGE event description to match implementation.
Signed-off-by: Marcelo Tosatti <mtosatti@redhat.com>
Signed-off-by: Luiz Capitulino <lcapitulino@redhat.com>
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qmp: fix handling of cmd with equal mark in qmp-shell
qmp-shell splits the argument and value of input command
by equal mark("="). But there are commands whose values
include equal mark themselves, and the json built by
qmp-shell will not correct. For example, when using NBD as
the target of block-backup command, the input
"block-backup target=nbd+unix:///drive0?socket=/tmp/nbd.sock"
will fail, because the json built will be as follows:
{
"execute":"block-backup",
"arguments":{"target":"nbd+unix:///drive0?socket"}
}
Fix it by joining the sections split by equal mark excluding the
first section in __build_cmd function when the length of sections
is larger than two.
Signed-off-by: zhangleiqiang <zhangleiqiang@huawei.com>
Signed-off-by: Luiz Capitulino <lcapitulino@redhat.com>
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This event will be emited when qemu detects guest panic.
Signed-off-by: Wen Congyang <wency@cn.fujitsu.com>
Signed-off-by: Hu Tao <hutao@cn.fujitsu.com>
Reviewed-by: Markus Armbruster <armbru@redhat.com>
Message-id: cf0bc45ecf9ecd3699bc72dc39f8cbab8ed79d8c.1366945969.git.hutao@cn.fujitsu.com
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
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virtio,pci,qom
Work by Alex to support VGA assignment,
pci and virtio fixes by Stefan, Jason and myself, and a
new qmp event for hotplug support by myself.
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
# gpg: Signature made Tue 26 Mar 2013 02:02:24 PM CDT using RSA key ID D28D5469
# gpg: Can't check signature: public key not found
# By Alex Williamson (13) and others
# Via Michael S. Tsirkin
* mst/tags/for_anthony: (23 commits)
pcie: Add endpoint capability initialization wrapper
roms: switch oldnoconfig to olddefconfig
pcie: Mangle types to match topology
pci: Create and use API to determine root buses
pci: Create pci_bus_is_express helper
pci: Q35, Root Ports, and Switches create PCI Express buses
pci: Allow PCI bus creation interfaces to specify the type of bus
pci: Move PCI and PCIE type defines
pci: Create and register a new PCI Express TypeInfo
exec: assert that RAMBlock size is non-zero
pci: refuse empty ROM files
pci_bridge: Remove duplicate IRQ swizzle function
pci_bridge: Use a default map_irq function
pci: Fix INTx routing notifier recursion
pci_bridge: drop formatting from source
pci_bridge: factor out common code
pci: Teach PCI Bridges about VGA routing
pci: Add PCI VGA helpers
virtio-pci: guest notifier mask without non-irqfd
virtio-net: remove layout assumptions for mq ctrl
...
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Add QOM path to device deleted event. It now becomes useful to report
it for devices which don't have an ID assigned.
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
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qmp-shell converts only integer arguments and the rest
is assumed to be strings which are faithfully sent as
quoted strings by json. But QEMU refuses to accept qmp
command with boolean argument whose value is escaped
as string.
Fix it by special-casing true/false keywords and store
value as corresponding boolean.
Signed-off-by: Igor Mammedov <imammedo@redhat.com>
Signed-off-by: Luiz Capitulino <lcapitulino@redhat.com>
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libvirt has a long-standing bug: when removing the device,
it can request removal but does not know when the
removal completes. Add an event so we can fix this in a robust way.
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
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This function is unlike get_events in that it makes it easy to process
one event at a time. This is useful in the mirroring test cases, where
we want to process just one event (BLOCK_JOB_ERROR) and leave the others
to a helper function.
Acked-by: Luiz Capitulino <lcapitulino@redhat.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
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Even for jobs that need to be manually completed, management may want
to take care itself of the completion, not requiring the user to issue
a command to terminate the job. In this case we want to avoid that
they poll us continuously, waiting for completion to become available.
Thus, add a new event that signals the phase switch and the availability
of the block-job-complete command.
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
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In QEMUMonitorProtocol, commit e9d17b6 removed the __sockfile creation
from __negotiate_capabilities(), which breaks _accept(). This causes
failures in qemu-io python based tests (i.e. tests 030 and 040).
This patch creates the sockfile in __accept() as well.
Signed-off-by: Jeff Cody <jcody@redhat.com>
Reviewed-by: Stefan Hajnoczi <stefanha@redhat.com>
Acked-by: Luiz Capitulino <lcapitulino@redhat.com>
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
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* kwolf/for-anthony: (30 commits)
qemu-iotests: add tests for streaming error handling
qemu-iotests: map underscore to dash in QMP argument names
blkdebug: process all set_state rules in the old state
stream: add on-error argument
block: introduce block job error
iostatus: reorganize io error code
iostatus: change is_read to a bool
iostatus: move BlockdevOnError declaration to QAPI
iostatus: rename BlockErrorAction, BlockQMPEventAction
qemu-iotests: add test for pausing a streaming operation
qmp: add block-job-pause and block-job-resume
block: add support for job pause/resume
qmp: add 'busy' member to BlockJobInfo
block: add block_job_query
block: move job APIs to separate files
block: fix documentation of block_job_cancel_sync
qerror/block: introduce QERR_BLOCK_JOB_NOT_ACTIVE
qemu-iotests: add initial tests for live block commit
QAPI: add command for live block commit, 'block-commit'
block: helper function, to find the base image of a chain
...
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The following behaviors are possible:
'report': The behavior is the same as in 1.1. An I/O error,
respectively during a read or a write, will complete the job immediately
with an error code.
'ignore': An I/O error, respectively during a read or a write, will be
ignored. For streaming, the job will complete with an error and the
backing file will be left in place. For mirroring, the sector will be
marked again as dirty and re-examined later.
'stop': The job will be paused and the job iostatus will be set to
failed or nospace, while the VM will keep running. This can only be
specified if the block device has rerror=stop and werror=stop or enospc.
'enospc': Behaves as 'stop' for ENOSPC errors, 'report' for others.
In all cases, even for 'report', the I/O error is reported as a QMP
event BLOCK_JOB_ERROR, with the same arguments as BLOCK_IO_ERROR.
It is possible that while stopping the VM a BLOCK_IO_ERROR event will be
reported and will clobber the event from BLOCK_JOB_ERROR, or vice versa.
This is not really avoidable since stopping the VM completes all pending
I/O requests. In fact, it is already possible now that a series of
BLOCK_IO_ERROR events are reported with rerror=stop, because vm_stop
calls bdrv_drain_all and this can generate further errors.
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
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The command for live block commit is added, which has the following
arguments:
device: the block device to perform the commit on (mandatory)
base: the base image to commit into; optional (if not specified,
it is the underlying original image)
top: the top image of the commit - all data from inside top down
to base will be committed into base (mandatory for now; see
note, below)
speed: maximum speed, in bytes/sec
Note: Eventually this command will support merging down the active layer,
but that code is not yet complete. If the active layer is passed
in as top, then an error will be returned. Once merging down the
active layer is supported, the 'top' argument may become optional,
and default to the active layer.
The is done as a block job, so upon completion a BLOCK_JOB_COMPLETED will
be emitted.
Signed-off-by: Jeff Cody <jcody@redhat.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
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This is an easy-to-use QEMU guest agent client written in
Python. It simply provides commands to call guest agent
functions like ping, fsfreeze and shutdown. Additionally,
it provides extra useful commands, e.g, cat, ifconfig and
reboot, by using guet agent functions.
Examples:
$ export QGA_CLIENT_ADDRESS=/tmp/qga.sock
$ qemu-ga-client ping
$ qemu-ga-client cat /etc/resolv.conf
# Generated by NetworkManager
nameserver 10.0.2.3
$ qemu-ga-client fsfreeze status
thawed
$ qemu-ga-client fsfreeze freeze
2 filesystems frozen
The script communicates with a guest agent by means of
qmp.QEMUMonitorProtocol. Every commands are called with
timeout (3 sec.) to avoid blocking. The script always
calls sync command prior to issuing an actual command
(except for ping which doesn't need sync).
Signed-off-by: Ryota Ozaki <ozaki.ryota@gmail.com>
Signed-off-by: Luiz Capitulino <lcapitulino@redhat.com>
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This method is used in the following qemu-ga-client script
to implement non-blocking operations.
Signed-off-by: Ryota Ozaki <ozaki.ryota@gmail.com>
Signed-off-by: Luiz Capitulino <lcapitulino@redhat.com>
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This is a preparation for qemu-ga-client which uses
QEMUMonitorProtocol class. The class tries to
negotiate capabilities on connect, however, qemu-ga
doesn't suppose it and fails.
This change makes the negotiation optional, though
it's still performed by default for compatibility.
Signed-off-by: Ryota Ozaki <ozaki.ryota@gmail.com>
Signed-off-by: Luiz Capitulino <lcapitulino@redhat.com>
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Add a '-p' arg to the QMP/qmp-shell test program, which uses
the python pprint module to pretty-print the dictionary
returned from a command
$ qmp-shell -p /tmp/qemu
Welcome to the QMP low-level shell!
Connected to QEMU 1.1.50
(QEMU) query-cpus
{ u'return': [ { u'CPU': 0,
u'current': True,
u'halted': True,
u'pc': 1048556,
u'thread_id': 7108}]}
Signed-off-by: Daniel P. Berrange <berrange@redhat.com>
Signed-off-by: Luiz Capitulino <lcapitulino@redhat.com>
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Emitted when the guest makes a request to enter S4 state.
There are three possible ways of having this event, as described here:
http://lists.gnu.org/archive/html/qemu-devel/2012-07/msg02307.html
I've decided to add a new event and make it indepedent of SHUTDOWN.
This means that the SHUTDOWN event will eventually follow the
SUSPEND_DISK event.
I've choosen this way because of two reasons:
1. Having an indepedent event makes it possible to query for its
existence by using query-events
2. In the future, we may allow the user to change what QEMU should
do as a result of the guest entering S4. So it's a good idea to
keep both events separated
Signed-off-by: Luiz Capitulino <lcapitulino@redhat.com>
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Signed-off-by: Luiz Capitulino <lcapitulino@redhat.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
Acked-by: Gerd Hoffmann <kraxel@redhat.com>
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Signed-off-by: Luiz Capitulino <lcapitulino@redhat.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
Acked-by: Gerd Hoffmann <kraxel@redhat.com>
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Today, the WAKEUP event is emitted when a wakeup _request_ is made.
This could be the system_wakeup command, for example.
A better semantic would be to emit the event when the guest is
already running, as that's what matters in the end. This commit does
that change.
In theory, this could break compatibility. In practice, it shouldn't
happen though, as clients shouldn't rely on timing characteristics of
the events. That is, a client relying that the guest is not running
when the event arrives may break if the event arrives after the guest
is already running.
This commit also adds the missing documentation for the WAKEUP event.
Signed-off-by: Luiz Capitulino <lcapitulino@redhat.com>
Acked-by: Gerd Hoffmann <kraxel@redhat.com>
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IMPORTANT: this BREAKS QMP's compatibility for the error response.
This commit changes QMP's wire protocol to make use of the simpler
error format introduced by previous commits.
There are two important (and mostly incompatible) changes:
1. Almost all error classes have been replaced by GenericError. The
only classes that are still supported for compatibility with
libvirt are: CommandNotFound, DeviceNotActive, KVMMissingCap,
DeviceNotFound and MigrationExpected
2. The 'data' field of the error dictionary is gone
As an example, an error response like:
{ "error": { "class": "DeviceNotRemovable",
"data": { "device": "virtio0" },
"desc": "Device 'virtio0' is not removable" } }
Will now be emitted as:
{ "error": { "class": "GenericError",
"desc": "Device 'virtio0' is not removable" } }
Signed-off-by: Luiz Capitulino <lcapitulino@redhat.com>
Reviewed-by: Markus Armbruster <armbru@redhat.com>
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After setting a balloon target value, applications have to
continually poll 'query-balloon' to determine whether the
guest has reacted to this request. The virtio-balloon backend
knows exactly when the guest has reacted though, and thus it
is possible to emit a JSON event to tell the mgmt application
whenever the guest balloon changes.
This introduces a new 'qemu_balloon_changed()' API which is
to be called by balloon driver backends, whenever they have
a change in balloon value. This takes the 'actual' balloon
value, as would be found in the BalloonInfo struct.
The qemu_balloon_change API emits a JSON monitor event which
looks like:
{"timestamp": {"seconds": 1337162462, "microseconds": 814521},
"event": "BALLOON_CHANGE", "data": {"actual": 944766976}}
* balloon.c, balloon.h: Introduce qemu_balloon_changed() for
emitting balloon change events on the monitor
* hw/virtio-balloon.c: Invoke qemu_balloon_changed() whenever
the guest changes the balloon actual value
* monitor.c, monitor.h: Define QEVENT_BALLOON_CHANGE
Signed-off-by: Daniel P. Berrange <berrange@redhat.com>
Acked-by: Amit Shah <amit.shah@redhat.com>
Signed-off-by: Luiz Capitulino <lcapitulino@redhat.com>
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Here's an example session:
anthony@titi:~/git/qemu/QMP$ QMP_SERVER=/tmp/server.sock ./qom-fuse tmp
anthony@titi:~/git/qemu/QMP$ ls tmp
machine sysbus type
anthony@titi:~/git/qemu/QMP$ ls tmp/machine
i440fx peripheral peripheral-anon type unattached
anthony@titi:~/git/qemu/QMP$ ls tmp/machine/i440fx
ioapic parent_bus pci.0 type
anthony@titi:~/git/qemu/QMP$ ls tmp/machine/i440fx/pci.0
child[0] child[1] child[2] child[3] child[4] child[5] type
anthony@titi:~/git/qemu/QMP$ ls tmp/machine/i440fx/pci.0/child[4]
addr legacy-addr multifunction type
command_serr_enable legacy-command_serr_enable parent_bus
ide.0 legacy-multifunction rombar
ide.1 legacy-romfile romfile
anthony@titi:~/git/qemu/QMP$ cat tmp/machine/i440fx/pci.0/child[4]/type
piix3-ide
anthony@titi:~/git/qemu/QMP$ ls -al tmp/machine/i440fx/pci.0/child\[4\]/parent_bus
lrwxr-xr-x 2 anthony anthony 4096 1969-12-31 18:00 tmp/machine/i440fx/pci.0/child[4]/parent_bus -> ../../../machine/i440fx/pci.0
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
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Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Signed-off-by: Luiz Capitulino <lcapitulino@redhat.com>
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It's emitted whenever the tray is moved by the guest or by HMP/QMP
commands.
Signed-off-by: Luiz Capitulino <lcapitulino@redhat.com>
Reviewed-by: Markus Armbruster <armbru@redhat.com>
Acked-by: Kevin Wolf <kwolf@redhat.com>
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Tested-by: Andreas F=E4rber <afaerber@suse.de>
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
Signed-off-by: Michael Roth <mdroth@linux.vnet.ibm.com>
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
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Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
Signed-off-by: Michael Roth <mdroth@linux.vnet.ibm.com>
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
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Add block_job_cancel, which stops an active block streaming operation.
When the operation has been cancelled the new BLOCK_JOB_CANCELLED event
is emitted.
Signed-off-by: Stefan Hajnoczi <stefanha@linux.vnet.ibm.com>
Acked-by: Luiz Capitulino <lcapitulino@redhat.com>
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
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Add the block_stream command, which starts copy backing file contents
into the image file. Also add the BLOCK_JOB_COMPLETED QMP event which
is emitted when image streaming completes. Later patches add control
over the background copy speed, cancelation, and querying running
streaming operations.
Signed-off-by: Stefan Hajnoczi <stefanha@linux.vnet.ibm.com>
Acked-by: Luiz Capitulino <lcapitulino@redhat.com>
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
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Anthony wrote this quickly to aid in testing. It's similar to qmp-shell with
a few important differences:
1) It is not interactive. That makes it useful for scripting.
2) qmp-shell:
(QEMU) set_password protocol=vnc password=foo
3) qmp:
$ qmp set_password --protocol=vnc --password=foo
4) Extensible, git-style interface. If an invalid command name is
passed, it will try to exec qmp-$1.
5) It attempts to pretty print the JSON responses in a shell friendly
format such that tools can work with the output.
Hope others will also find it useful.
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
Signed-off-by: Mark Wu <wudxw@linux.vnet.ibm.com>
Signed-off-by: Luiz Capitulino <lcapitulino@redhat.com>
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Cc: Markus Armbruster <armbru@redhat.com>
Acked-by: Luiz Capitulino <lcapitulino@redhat.com>
Signed-off-by: Dong Xu Wang <wdongxu@linux.vnet.ibm.com>
Signed-off-by: Stefan Hajnoczi <stefanha@linux.vnet.ibm.com>
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QEMU supports socket chardevs that establish connections like a server
or a client. The QEMUMonitorProtocol class only supports connecting as
a client. It is not possible to connect race-free when launching QEMU
since trying to connect before QEMU has bound and is listening on the
socket results in failure.
Add the QEMUMonitorProtocol(server=True) argument to bind and listen on
the socket. The QEMU process can then be launched and connects to the
already existing QMP socket without a race condition:
qmp = qmp.QEMUMonitorProtocol(monitor_path, server=True)
popen = subprocess.Popen(args)
qmp.accept()
Signed-off-by: Stefan Hajnoczi <stefanha@linux.vnet.ibm.com>
Signed-off-by: Luiz Capitulino <lcapitulino@redhat.com>
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The get_events() function polls for new QMP events and then returns. It
can be useful to wait for the next QMP event so add the boolean 'wait'
keyword argument.
Signed-off-by: Stefan Hajnoczi <stefanha@linux.vnet.ibm.com>
Signed-off-by: Luiz Capitulino <lcapitulino@redhat.com>
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This patch adds support for connection events to spice. The events are
quite simliar to the vnc events. Unlike vnc spice uses multiple tcp
channels though. qemu will report every single tcp connection (aka
spice channel). If you want track spice sessions only you can filter
for the main channel (channel-type == 1).
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
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In which qmp-shell will exclusively use the HMP passthrough feature,
this is useful for testing.
Example:
# ./qmp-shell -H qmp-sock
Welcome to the HMP shell!
Connected to QEMU 0.13.50
(QEMU) info network
VLAN 0 devices:
user.0: net=10.0.2.0, restricted=n
e1000.0: model=e1000,macaddr=52:54:00:12:34:56
Devices not on any VLAN:
(QEMU)
Signed-off-by: Luiz Capitulino <lcapitulino@redhat.com>
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It's broken and not really useful, let's just drop it.
Signed-off-by: Luiz Capitulino <lcapitulino@redhat.com>
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This commit updates the qmp-shell script to use the new interface
introduced by the last commit.
Additionally, the following fixes/features are also introduced:
o TCP sockets support
o Update/add documentation
o Simple command-line completion
o Fix a number of unhandled errors
Signed-off-by: Luiz Capitulino <lcapitulino@redhat.com>
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This commit simplifies and fixes a number of problems in the Python
QEMUMonitorProtocol example class.
It's almost a rewrite and it DOES BREAK the qmp-shell script (which
is going to be fixed in the next commit).
However, I'm not going to split this in different commits because it
could get up to 10 commits, it's really not worth it for a simple
demo class.
Highlights:
o TCP sockets support
o QMP events support
o Add documentation
o Fix a number of unhandled errors
o Simplify methods that send commands to the Monitor
Signed-off-by: Luiz Capitulino <lcapitulino@redhat.com>
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Fix example of STOP event that was just copy-and-pasted.
Signed-off-by: Hidetoshi Seto <seto.hidetoshi@jp.fujitsu.com>
Signed-off-by: Luiz Capitulino <lcapitulino@redhat.com>
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Signed-off-by: Luiz Capitulino <lcapitulino@redhat.com>
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This file contains a copy of the following information from the
qemu-monitor.hx file:
o QObject handlers entries
o QMP documentation (all SQMP/EQMP sections)
Right now it's only used to generate the QMP docs in QMP/, but
next commits will turn this into QMP's command dispatch table.
It's important to note that QObject handlers entries are going
to get duplicated: they will exist in both QMP's and HMP's
dispatch tables.
This will be fixed in the near future, when we add a proper
QMP call interface and HMP is converted to use it. This way we
can completely drop QObject handlers entries from HMP's tables.
NOTE: HMP specific constructions, like "q|quit", have been dropped.
Signed-off-by: Luiz Capitulino <lcapitulino@redhat.com>
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A number of changes I prefer to do in one shot:
- Fix example
- Small clarifications
- Add multiple monitors example
- Add 'Development Process' section
Signed-off-by: Luiz Capitulino <lcapitulino@redhat.com>
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
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Remove the arbitrary limitation of 1024 characters per return string and
read complete lines instead. Required for device_show.
Signed-off-by: Jan Kiszka <jan.kiszka@siemens.com>
Signed-off-by: Luiz Capitulino <lcapitulino@redhat.com>
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As sending "qmp_capabilities" on session start became mandatory, both
python examples were broken.
Signed-off-by: Jan Kiszka <jan.kiszka@siemens.com>
Signed-off-by: Luiz Capitulino <lcapitulino@redhat.com>
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This command was of minimal use before, now it is useless as the hpet
become a qdev device and is thus easily discoverable. We should
definitely not set query-hpet in QMP's stone, and there is also no good
reason to keep it for the interactive monitor.
Signed-off-by: Jan Kiszka <jan.kiszka@siemens.com>
Signed-off-by: Blue Swirl <blauwirbel@gmail.com>
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One of the most important missing feature in QMP today is its
supported commands documentation.
The plan is to make it part of self-description support, however
self-description is a big task we have been postponing for a
long time now and still don't know when it's going to be done.
In order not to compromise QMP adoption and make users' life easier,
this commit adds a simple text documentation which fully describes
all QMP supported commands.
This is not ideal for a number of reasons (harder to maintain,
text-only, etc) but does improve the current situation. To avoid at
least divering from the user monitor help and texi snippets, QMP bits
are also maintained inside qemu-monitor.hx, and hxtool is extended to
generate a single text file from them.
Signed-off-by: Jan Kiszka <jan.kiszka@siemens.com>
Signed-off-by: Luiz Capitulino <lcapitulino@redhat.com>
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
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Signed-off-by: Markus Armbruster <armbru@redhat.com>
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It's emitted when the Virtual Machine resumes execution.
We currently have the STOP event but don't have the matching
RESUME one, this means that clients are notified when the VM
is stopped but don't get anything when it resumes.
Let's fix that as it's already causing some trouble to libvirt.
Signed-off-by: Luiz Capitulino <lcapitulino@redhat.com>
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
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