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2010-10-01Monitor: Rename the qemu-monitor.hx fileLuiz Capitulino
Let's be consistent and call it hmp-commands.hx, so that we have qmp-commands.hx for QMP and hmp-commands.hx for HMP. Please, note that this commit doesn't touch qemu-monitor.texi. All texi files have the qemu- prefix and I don't think it's worth changing that. Signed-off-by: Luiz Capitulino <lcapitulino@redhat.com>
2010-10-01Monitor: Drop QMP info from the qemu-monitor.hx fileLuiz Capitulino
QMP has its own dispatch table and documentation file (qmp-commands.hx), we can now drop the following QMP specific info from qemu-monitor.hx: o SQMP/EQMP sections o The qmp_capabilities command o The query-commands command However, note that QObject handlers entries are not being removed. This will only happen when we introduce a proper QMP call interface. Signed-off-by: Luiz Capitulino <lcapitulino@redhat.com>
2010-10-01Monitor: Convert do_info() back to HMPLuiz Capitulino
This is a HMP specific handler, it makes no sense to have it under QMP. Signed-off-by: Luiz Capitulino <lcapitulino@redhat.com>
2010-09-09trace: Add trace-file command to open/close/flush trace fileStefan Hajnoczi
This patch adds the trace-file command: trace-file [on|off|flush] Open, close, or flush the trace file. If no argument is given, the status of the trace file is displayed. The trace file is turned on by default but is only written out when the trace buffer becomes full. The flush operation can be used to force write out at any time. Turning off the trace file does not change the state of trace events; tracing will continue to the trace buffer. When the trace file is off, use "info trace" to display the contents of the trace buffer in memory. Signed-off-by: Stefan Hajnoczi <stefanha@linux.vnet.ibm.com> This commit also contains the trace-file sub-command from the following commit: commit 5ce8d1a957afae2c52ad748944ce72848ccf57bd Author: Prerna Saxena <prerna@linux.vnet.ibm.com> Date: Wed Aug 4 16:23:54 2010 +0530 trace: Add options to specify trace file name at startup and runtime This patch adds an optional command line switch '-trace' to specify the filename to write traces to, when qemu starts. Eg, If compiled with the 'simple' trace backend, [temp@system]$ qemu -trace FILENAME IMAGE Allows the binary traces to be written to FILENAME instead of the option set at config-time. Also, this adds monitor sub-command 'set' to trace-file commands to dynamically change trace log file at runtime. Eg, (qemu)trace-file set FILENAME This allows one to set trace outputs to FILENAME from the default specified at startup. Signed-off-by: Prerna Saxena <prerna@linux.vnet.ibm.com> Signed-off-by: Stefan Hajnoczi <stefanha@linux.vnet.ibm.com>
2010-09-09trace: Support for dynamically enabling/disabling trace eventsPrerna Saxena
This patch adds support for dynamically enabling/disabling of trace events. This is done by internally maintaining each trace event's state, and permitting logging of data from a trace event only if it is in an 'active' state. Monitor commands added : 1) info trace-events : to view all available trace events and their state. 2) trace-event NAME on|off : to enable/disable data logging from a given trace event. Eg, trace-event paio_submit off disables logging of data when paio_submit is hit. By default, all trace-events are disabled. One can enable desired trace-events via the monitor. Signed-off-by: Prerna Saxena <prerna@linux.vnet.ibm.com> Signed-off-by: Stefan Hajnoczi <stefanha@linux.vnet.ibm.com> trace: Monitor command 'info trace' Monitor command 'info trace' to display contents of trace buffer Signed-off-by: Prerna Saxena <prerna@linux.vnet.ibm.com> Signed-off-by: Stefan Hajnoczi <stefanha@linux.vnet.ibm.com> trace: Remove monitor.h dependency from simpletrace User-mode targets don't have a monitor so the simple trace backend currently does not build on those targets. This patch abstracts the monitor printing interface so there is no direct coupling between simpletrace and the monitor. Signed-off-by: Stefan Hajnoczi <stefanha@linux.vnet.ibm.com>
2010-08-22QMP doc: Add 'Stability Considerations' sectionLuiz Capitulino
Signed-off-by: Luiz Capitulino <lcapitulino@redhat.com> Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
2010-08-22QMP: update 'query-version' documentationMiguel Di Ciurcio Filho
Update the documentation of 'query-version' to output the string version broken down. Signed-off-by: Miguel Di Ciurcio Filho <miguel.filho@gmail.com> Signed-off-by: Luiz Capitulino <lcapitulino@redhat.com> Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
2010-07-01monitor: Establish cmd flags and convert the async tagJan Kiszka
As we want to add more flags to monitor commands, convert the only so far existing one accordingly. Signed-off-by: Jan Kiszka <jan.kiszka@siemens.com> Signed-off-by: Luiz Capitulino <lcapitulino@redhat.com>
2010-06-13monitor/QMP: Drop info hpet / query-hpetJan Kiszka
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>
2010-06-01QMP: Introduce commands documentationJan Kiszka
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>
2010-06-01monitor: Reorder info documentationJan Kiszka
Push the doc fragments for the info command to the end of qemu-monitor.hx. This helps to establish a proper layout in the upcoming QMP documentation. Signed-off-by: Jan Kiszka <jan.kiszka@siemens.com> Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
2010-05-28Fix typo in balloon helpRiccardo Magliocchetti
Fix launchpad #563883 Signed-off-by: Riccardo Magliocchetti <riccardo.magliocchetti@gmail.com> Signed-off-by: Aurelien Jarno <aurelien@aurel32.net>
2010-05-28doc: Update monitor info subcommandsStefan Hajnoczi
The "info blockstats" documentation was copy-pasted as "info block" instead of "info blockstats". The documentation for "commands", "jit", "numa", "qdm", and "roms" is missing. This patch resolves these issues in qemu-monitor.hx. Signed-off-by: Stefan Hajnoczi <stefanha@linux.vnet.ibm.com> Signed-off-by: Aurelien Jarno <aurelien@aurel32.net>
2010-05-19Revert "monitor: Convert do_pci_device_hot_remove() to QObject"Markus Armbruster
We don't want pci_del in QMP. Use device_del instead. This reverts commit 6848d827162fea039f2658414a4adb6164a4f9b0. Conflicts: hw/pci-hotplug.c sysemu.h Signed-off-by: Markus Armbruster <armbru@redhat.com>
2010-05-19Revert "PCI: Convert pci_device_hot_add() to QObject"Markus Armbruster
Short story: We don't want pci_add in QMP. Long story follows. pci_add can do two things: * Hot plug a PCI NIC. device_add is more general. * Hot plug a PCI disk controller, and a drive connected to it. The controller is either virtio-blk-pci (if=virtio) or lsi53c895a (if=scsi). With the latter, the drive is optional. Use drive_add to hotplug additional SCSI drives. Except drive_add is not available in QMP. device_add is more general for controllers and the guest part of drives. I'm working on a more general alternative for the host part of drives. Why am I proposing to remove pci_add from QMP before its replacement is ready? I want it out sooner rather than later, because it isn't fully functional (errors and drive_add are missing), and we do not plan to complete the job. In other words, it's not really usable over QMP now, and it's not what we want for QMP anyway. Since we don't want it to be used over QMP, we should take it out, not leave it around as a trap for the uninitiated. Dan Berrange confirmed that libvirt has no need for pci_add & friends over QMP. This reverts commit 7a344f7ac7bb651d0556a933ed8060d3a9e5d949. Conflicts: hw/pci-hotplug.c sysemu.h Signed-off-by: Markus Armbruster <armbru@redhat.com>
2010-05-10doc: Clean up monitor command function indexMarkus Armbruster
Remove bogus entries "count", "format" and "size". Accidentally added in commit 70fcbbe7. Add missing entry "qmp_capabilities". Was forgotten in commit 4a7e1190. Signed-off-by: Markus Armbruster <armbru@redhat.com> Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
2010-05-10doc: Heading for monitor command cpu got lost, restore itMarkus Armbruster
Broken in commit 2313086a. Signed-off-by: Markus Armbruster <armbru@redhat.com> Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
2010-05-10doc: Fix acl monitor command documentationMarkus Armbruster
Commit 15dfcd45 added acl_add and acl_reset, but fat-fingered their documentation to read acl_allow and acl_remove. Signed-off-by: Markus Armbruster <armbru@redhat.com> Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
2010-05-10doc: Fix host forwarding monitor command documentationMarkus Armbruster
Commit f3546deb replaced host_net_redir by hostfwd_add, hostfwd_remove, but neglected to update documentation. Signed-off-by: Markus Armbruster <armbru@redhat.com> Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
2010-04-18Monitor: Convert do_screen_dump() to QObjectLuiz Capitulino
Trivial, as it never fails, doesn't have output nor return any data. Note that it's also available under QMP, as kvm-autotest needs this. Signed-off-by: Luiz Capitulino <lcapitulino@redhat.com>
2010-04-18monitor: Convert do_set_link() to QObject, QErrorMarkus Armbruster
Signed-off-by: Markus Armbruster <armbru@redhat.com> Signed-off-by: Luiz Capitulino <lcapitulino@redhat.com>
2010-04-18monitor: Use argument type 'b' for set_linkMarkus Armbruster
Second argument is now "on" or "off" instead of "up" or "down". Signed-off-by: Markus Armbruster <armbru@redhat.com> Signed-off-by: Luiz Capitulino <lcapitulino@redhat.com>
2010-04-18monitor: Rename argument type 'b' to 'f'Markus Armbruster
To make 'b' available for boolean argument. Signed-off-by: Markus Armbruster <armbru@redhat.com> Signed-off-by: Luiz Capitulino <lcapitulino@redhat.com>
2010-04-18monitor: New commands netdev_add, netdev_delMarkus Armbruster
Monitor commands to go with -netdev. Signed-off-by: Markus Armbruster <armbru@redhat.com> Signed-off-by: Luiz Capitulino <lcapitulino@redhat.com>
2010-04-18monitor: convert do_device_del() to QObject, QErrorMarkus Armbruster
Signed-off-by: Markus Armbruster <armbru@redhat.com> Signed-off-by: Luiz Capitulino <lcapitulino@redhat.com>
2010-03-16monitor: convert do_device_add() to QObjectMarkus Armbruster
2010-03-16monitor: Use argument type 'O' for device_addMarkus Armbruster
While there, improve the params help text.
2010-02-19Monitor: Rename cmd_new_ret()Luiz Capitulino
Now that all handlers are converted to cmd_new_ret(), we can rename it back to cmd_new(). But now it returns a value. Signed-off-by: Luiz Capitulino <lcapitulino@redhat.com> Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
2010-02-19Monitor: Convert do_change() to cmd_new_ret()Luiz Capitulino
Not that trivial as the call chain also has to be modified. Signed-off-by: Luiz Capitulino <lcapitulino@redhat.com> Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
2010-02-19Monitor: Convert do_info() to cmd_new_ret()Luiz Capitulino
Note that this function only fails in QMP, in the user Monitor it prints the help text instead. Signed-off-by: Luiz Capitulino <lcapitulino@redhat.com> Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
2010-02-19Monitor: Convert do_physical_memory_save() to cmd_new_ret()Luiz Capitulino
Signed-off-by: Luiz Capitulino <lcapitulino@redhat.com> Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
2010-02-19Monitor: Convert do_memory_save() to cmd_new_ret()Luiz Capitulino
Signed-off-by: Luiz Capitulino <lcapitulino@redhat.com> Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
2010-02-19Monitor: Convert do_migrate() to cmd_new_ret()Luiz Capitulino
While there I'm also dropping a unneeded else clause (the last one in the function). Signed-off-by: Luiz Capitulino <lcapitulino@redhat.com> Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
2010-02-19Monitor: Convert pci_device_hot_remove() to cmd_new_ret()Luiz Capitulino
Signed-off-by: Luiz Capitulino <lcapitulino@redhat.com> Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
2010-02-19Monitor: Convert pci_device_hot_add() to cmd_new_ret()Luiz Capitulino
Signed-off-by: Luiz Capitulino <lcapitulino@redhat.com> Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
2010-02-19Monitor: Convert do_closefd() to cmd_new_ret()Luiz Capitulino
Signed-off-by: Luiz Capitulino <lcapitulino@redhat.com> Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
2010-02-19Monitor: Convert do_getfd() to cmd_new_ret()Luiz Capitulino
Signed-off-by: Luiz Capitulino <lcapitulino@redhat.com> Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
2010-02-19Monitor: Convert do_block_set_passwd() to cmd_new_ret()Luiz Capitulino
Signed-off-by: Luiz Capitulino <lcapitulino@redhat.com> Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
2010-02-19Monitor: Convert do_cpu_set() to cmd_new_ret()Luiz Capitulino
Signed-off-by: Luiz Capitulino <lcapitulino@redhat.com> Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
2010-02-19Monitor: Convert do_eject() to cmd_new_ret()Luiz Capitulino
Signed-off-by: Luiz Capitulino <lcapitulino@redhat.com> Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
2010-02-19Monitor: Convert do_cont() to cmd_new_ret()Luiz Capitulino
Signed-off-by: Luiz Capitulino <lcapitulino@redhat.com> Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
2010-02-19Monitor: Convert simple handlers to cmd_new_ret()Luiz Capitulino
The following handlers always succeed and hence can be converted to cmd_new_ret() in the same commit. - do_stop() - do_quit() - do_system_reset() - do_system_powerdown() - do_migrate_cancel() - do_qmp_capabilities() - do_migrate_set_speed() - do_migrate_set_downtime() Signed-off-by: Luiz Capitulino <lcapitulino@redhat.com> Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
2010-02-10QMP: Introduce the qmp_capabilities commandLuiz Capitulino
This command will be used to enable QMP capabilities advertised by the capabilities array. Note that it will be mandatory to issue this command in order to make QMP functional (although this behavior is not being enforced by this commit). Also, as we don't have any capabilities yet, the new command doesn't accept any arguments. I will postpone the decision for a format for this until we get our first capability. Finally, this command is visible from the user Monitor too, in the meaning that you can execute it but it won't do anything. Making it only visible in QMP is beyond this series' goal, as it requires changes in unrelated places. Signed-off-by: Luiz Capitulino <lcapitulino@redhat.com> Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
2010-02-10Documentation: Add monitor commands to function indexStefan Weil
* Add monitor commands to function index. * Fix description for acl_remove. Signed-off-by: Stefan Weil <weil@mail.berlios.de> Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
2010-02-03monitor: convert do_migrate_set_downtime() to QObjectMarkus Armbruster
Signed-off-by: Markus Armbruster <armbru@redhat.com> Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
2010-02-03monitor: Use argument type 'T' for migrate_set_downtimeMarkus Armbruster
Before, it used type 's', which strips quotes and interprets escapes, and is quite inappropriate for QMP. Negative arguments are no flushed to zero. Before, they were cast to uint32_t, which wrecked the sign. Ridiculously large arguments including infinities are now rejected. Before, they were interpreted as zero. Same for NaN. Signed-off-by: Markus Armbruster <armbru@redhat.com> Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
2010-02-03monitor: convert do_migrate_set_speed() to QObjectMarkus Armbruster
Signed-off-by: Markus Armbruster <armbru@redhat.com> Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
2010-02-03monitor: Use argument type 'b' for migrate_set_speedMarkus Armbruster
Before, it used type 's', which strips quotes and interprets escapes, and is quite inappropriate for QMP. Negative arguments are no flushed to zero. Before, they were cast to uint32_t, which wrecked the sign. Ridiculously large arguments including infinities are now rejected. Before, they were interpreted as zero. Same for NaN. Signed-off-by: Markus Armbruster <armbru@redhat.com> Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
2010-01-26virtio: Add memory statistics reporting to the balloon driverAdam Litke
When using ballooning to manage overcommitted memory on a host, a system for guests to communicate their memory usage to the host can provide information that will minimize the impact of ballooning on the guests. The current method employs a daemon running in each guest that communicates memory statistics to a host daemon at a specified time interval. The host daemon aggregates this information and inflates and/or deflates balloons according to the level of host memory pressure. This approach is effective but overly complex since a daemon must be installed inside each guest and coordinated to communicate with the host. A simpler approach is to collect memory statistics in the virtio balloon driver and communicate them directly to the hypervisor. Signed-off-by: Adam Litke <agl@us.ibm.com> Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
2010-01-26monitor: convert do_cpu_set() to QObject, QErrorMarkus Armbruster
Signed-off-by: Markus Armbruster <armbru@redhat.com> Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
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