qmp: add pull_event function
This function is unlike get_events in that it makes it easy to processone event at a time. This is useful in the mirroring test cases, wherewe want to process just one event (BLOCK_JOB_ERROR) and leave the othersto a helper function....
block: introduce BLOCK_JOB_READY event
Even for jobs that need to be manually completed, management may wantto take care itself of the completion, not requiring the user to issuea command to terminate the job. In this case we want to avoid thatthey poll us continuously, waiting for completion to become available....
qmp: fix __accept() in qmp.py
In QEMUMonitorProtocol, commit e9d17b6 removed the __sockfile creationfrom __negotiate_capabilities(), which breaks _accept(). This causesfailures in qemu-io python based tests (i.e. tests 030 and 040).
This patch creates the sockfile in __accept() as well....
Merge remote-tracking branch 'kwolf/for-anthony' into staging
block: introduce block job error
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 immediatelywith an error code.
'ignore': An I/O error, respectively during a read or a write, will be...
QAPI: add command for live block commit, 'block-commit'
The command for live block commit is added, which has the followingarguments:
device: the block device to perform the commit on (mandatory)base: the base image to commit into; optional (if not specified,...
Make negotiation optional in QEMUMonitorProtocol
This is a preparation for qemu-ga-client which usesQEMUMonitorProtocol class. The class tries tonegotiate capabilities on connect, however, qemu-gadoesn't suppose it and fails.
This change makes the negotiation optional, though...
Support settimeout in QEMUMonitorProtocol
This method is used in the following qemu-ga-client scriptto implement non-blocking operations.
Signed-off-by: Ryota Ozaki <ozaki.ryota@gmail.com>Signed-off-by: Luiz Capitulino <lcapitulino@redhat.com>
Add qemu-ga-client script
This is an easy-to-use QEMU guest agent client written inPython. It simply provides commands to call guest agentfunctions like ping, fsfreeze and shutdown. Additionally,it provides extra useful commands, e.g, cat, ifconfig and...
Add support for pretty-printing response in qmp-shell
Add a '-p' arg to the QMP/qmp-shell test program, which usesthe python pprint module to pretty-print the dictionaryreturned from a command
$ qmp-shell -p /tmp/qemu Welcome to the QMP low-level shell!...
qmp: emit the WAKEUP event when the guest is put to run
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 isalready running, as that's what matters in the end. This commit does...
qmp: qmp-events.txt: put events in alphabetical order
Signed-off-by: Luiz Capitulino <lcapitulino@redhat.com>Reviewed-by: Eric Blake <eblake@redhat.com>Acked-by: Gerd Hoffmann <kraxel@redhat.com>
qmp: qmp-events.txt: add missing doc for the SUSPEND event
qmp: add SUSPEND_DISK event
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....
qmp: switch to the new error format on the wire
IMPORTANT: this BREAKS QMP's compatibility for the error response.
This commit changes QMP's wire protocol to make use of the simplererror format introduced by previous commits.
There are two important (and mostly incompatible) changes:...
Add event notification for guest balloon changes
After setting a balloon target value, applications have tocontinually poll 'query-balloon' to determine whether theguest has reacted to this request. The virtio-balloon backendknows exactly when the guest has reacted though, and thus it...
qom: quick and dirty QOM filesystem based on FUSE
Here's an example session:
anthony@titi:~/git/qemu/QMP$ QMP_SERVER=/tmp/server.sock ./qom-fuse tmpanthony@titi:~/git/qemu/QMP$ ls tmpmachine sysbus typeanthony@titi:~/git/qemu/QMP$ ls tmp/machinei440fx peripheral peripheral-anon type unattached...
qmp: document strict parsing
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>Signed-off-by: Luiz Capitulino <lcapitulino@redhat.com>
qmp: add DEVICE_TRAY_MOVED event
It's emitted whenever the tray is moved by the guest or by HMP/QMPcommands.
Signed-off-by: Luiz Capitulino <lcapitulino@redhat.com>Reviewed-by: Markus Armbruster <armbru@redhat.com>Acked-by: Kevin Wolf <kwolf@redhat.com>
qmp: make qmp.py easier to use
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>
qom: add test tools
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>
qmp: add block_job_cancel command
Add block_job_cancel, which stops an active block streaming operation.When the operation has been cancelled the new BLOCK_JOB_CANCELLED eventis emitted.
Signed-off-by: Stefan Hajnoczi <stefanha@linux.vnet.ibm.com>Acked-by: Luiz Capitulino <lcapitulino@redhat.com>...
qmp: add block_stream command
Add the block_stream command, which starts copy backing file contentsinto the image file. Also add the BLOCK_JOB_COMPLETED QMP event whichis emitted when image streaming completes. Later patches add controlover the background copy speed, cancelation, and querying running...
qmp: add test tool for QMP
Anthony wrote this quickly to aid in testing. It's similar to qmp-shell witha few important differences:
1) It is not interactive. That makes it useful for scripting.
2) qmp-shell:
(QEMU) set_password protocol=vnc password=foo...
fix spelling in QMP sub directory
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>
QMP: add get_events(wait=True) option
The get_events() function polls for new QMP events and then returns. Itcan 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>...
QMP: add server mode to QEMUMonitorProtocol
QEMU supports socket chardevs that establish connections like a serveror a client. The QEMUMonitorProtocol class only supports connecting asa client. It is not possible to connect race-free when launching QEMU...
spice: connection events.
This patch adds support for connection events to spice. The events arequite simliar to the vnc events. Unlike vnc spice uses multiple tcpchannels though. qemu will report every single tcp connection (akaspice channel). If you want track spice sessions only you can filter...
QMP/qmp-shell: Introduce HMP mode
In which qmp-shell will exclusively use the HMP passthrough feature,this is useful for testing.
Example:
(QEMU) info network...
QMP: Revamp the Python class example
This commit simplifies and fixes a number of problems in the PythonQEMUMonitorProtocol example class.
It's almost a rewrite and it DOES BREAK the qmp-shell script (whichis going to be fixed in the next commit).
However, I'm not going to split this in different commits because it...
QMP: Revamp the qmp-shell script
This commit updates the qmp-shell script to use the new interfaceintroduced 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...
QMP: Drop vm-info example script
It's broken and not really useful, let's just drop it.
Signed-off-by: Luiz Capitulino <lcapitulino@redhat.com>
Trivial fix for QMP/qmp-events.txt
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>
QMP/README: Update QMP homepage address
Monitor: Introduce the qmp-commands.hx file
This file contains a copy of the following information from theqemu-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...
QMP: Update README file
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>
QMP: Teach basic capability negotiation to python example
As sending "qmp_capabilities" on session start became mandatory, bothpython examples were broken.
Signed-off-by: Jan Kiszka <jan.kiszka@siemens.com>Signed-off-by: Luiz Capitulino <lcapitulino@redhat.com>
QMP: Fix python helper /wrt long return strings
Remove the arbitrary limitation of 1024 characters per return string andread complete lines instead. Required for device_show.
monitor/QMP: Drop info hpet / query-hpet
This command was of minimal use before, now it is useless as the hpetbecome a qdev device and is thus easily discoverable. We shoulddefinitely not set query-hpet in QMP's stone, and there is also no goodreason to keep it for the interactive monitor....
QMP: Introduce commands documentation
One of the most important missing feature in QMP today is itssupported commands documentation.
The plan is to make it part of self-description support, howeverself-description is a big task we have been postponing for a...
QMP: Add "Downstream extension of QMP" to spec
Signed-off-by: Markus Armbruster <armbru@redhat.com>
QMP: Introduce RESUME event
It's emitted when the Virtual Machine resumes execution.
We currently have the STOP event but don't have the matchingRESUME one, this means that clients are notified when the VMis stopped but don't get anything when it resumes....
QMP: Improve RTC_CHANGE event description
Some people might think that this event is emitted whenever thetime changes, be more specific.
QMP: Introduce WATCHDOG event
It's emitted whenever the watchdog device's timer expires. The actiontaken is provided in the 'data' member.
QMP: Introduce RTC_CHANGE event
Emitted whenever the RTC time changes.
QMP: Drop DEBUG event
This event has been introduced in the first round of QMP commits,turns out that it's based on the usage of the EXCP_DEBUG macro,which has discussable semantics when exposed through QMP.
As libvirt doesn't use this, let's just drop it....
QMP: Revamp the qmp-events.txt file
Now we can say it's useful, the following changes have been made:
- Put events in alphabetical order- Add examples to all events- Document all 'data' members- Small corrections and cleanups
Signed-off-by: Luiz Capitulino <lcapitulino@redhat.com>...
QMP: Add QEMU's version to the greeting message
With capability negotiation support clients will only have a chanceto check QEMU's version (ie. issue 'query-version') after thenegotiation procedure is done.
It might be useful to clients to check QEMU's version before...
QMP: spec: Capability negotiation updates
QMP: BLOCK_IO_ERROR event handling
This commit adds the basic definitions for the BLOCK_IO_ERRORevent, but actual event emission will be introduced by thenext commits.
QMP: Introduce VNC_INITIALIZED event
It's emitted when a VNC client session is activated by QEMU,client's information such as port, IP and auth ID (if thesession is authenticated) are provided.
Event example:
{ "event": "VNC_INITIALIZED", "timestamp": {"seconds": 1263475302, "microseconds": 150772},...
QMP: Introduce VNC_CONNECTED event
It's emitted when a VNC client connects to QEMU, client's informationsuch as port and IP address are provided.
Note that this event is emitted right when the connection isestablished. This means that it happens before authentication...
QMP: Introduce VNC_DISCONNECTED event
It's emitted when a VNC client disconnects from QEMU, client'sinformation such as port and IP address are provided.
{ "event": "VNC_DISCONNECTED", "timestamp": { "seconds": 1262976601, "microseconds": 975795 },...
QMP: Update spec file
- Remove "draft" status- Change default success response to be json-object- Change error and event data member to be a json-object- Update examples- Add new section "Compatibility Considerations" - Other fixes and clarifications...
- Fix output description- Fix command-line usage notes- Minor improvements
QMP: add human-readable description to error response
Signed-off-by: Markus Armbruster <armbru@redhat.com>Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
QMP: Introduce qmp-shell
This is a very simple shell written in Python for demonstrationpurposes.
Unfortunately it's a bit awkward right now, as the user hasto specify the arguments names and the printed data can bea raw dictionary or list, like the following example:...
QMP: Introduce vm-info
A Python script which uses qmp.py to print some simple VM info.
QMP: Introduce README file
QMP: Introduce specification
QMP: Introduce qmp-events.txt