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* monitor: Use GString instead of QString for output bufferMarkus Armbruster2020-12-191-1/+1
| | | | | | | | | | | | GString has a richer set of string operations than QString. It should be preferred to QString except where we need a QObject or reference counting. We don't here. Switch to GString, and put its richer interface to use. Cc: Dr. David Alan Gilbert <dgilbert@redhat.com> Signed-off-by: Markus Armbruster <armbru@redhat.com> Message-Id: <20201211171152.146877-3-armbru@redhat.com> Reviewed-by: Dr. David Alan Gilbert <dgilbert@redhat.com>
* hmp: Pass monitor to mon_get_cpu()Kevin Wolf2020-11-131-1/+1
| | | | | | | | | | | mon_get_cpu() is indirectly called monitor_parse_arguments() where the current monitor isn't set yet. Instead of using monitor_cur(), explicitly pass the Monitor pointer to the function. Signed-off-by: Kevin Wolf <kwolf@redhat.com> Message-Id: <20201113114326.97663-2-kwolf@redhat.com> Reviewed-by: Dr. David Alan Gilbert <dgilbert@redhat.com> Signed-off-by: Dr. David Alan Gilbert <dgilbert@redhat.com>
* hmp: Add support for coroutine command handlersKevin Wolf2020-10-091-0/+1
| | | | | | | | | | | | | | | | | Often, QMP command handlers are not only called to handle QMP commands, but also from a corresponding HMP command handler. In order to give them a consistent environment, optionally run HMP command handlers in a coroutine, too. The implementation is a lot simpler than in QMP because for HMP, we still block the VM while the coroutine is running. Signed-off-by: Kevin Wolf <kwolf@redhat.com> Reviewed-by: Dr. David Alan Gilbert <dgilbert@redhat.com> Message-Id: <20201005155855.256490-11-kwolf@redhat.com> Reviewed-by: Markus Armbruster <armbru@redhat.com> Reviewed-by: Stefan Hajnoczi <stefanha@redhat.com> Signed-off-by: Markus Armbruster <armbru@redhat.com>
* qmp: Move dispatcher to a coroutineKevin Wolf2020-10-091-2/+4
| | | | | | | | | | | | | | | | | | This moves the QMP dispatcher to a coroutine and runs all QMP command handlers that declare 'coroutine': true in coroutine context so they can avoid blocking the main loop while doing I/O or waiting for other events. For commands that are not declared safe to run in a coroutine, the dispatcher drops out of coroutine context by calling the QMP command handler from a bottom half. Signed-off-by: Kevin Wolf <kwolf@redhat.com> Reviewed-by: Markus Armbruster <armbru@redhat.com> Message-Id: <20201005155855.256490-10-kwolf@redhat.com> Reviewed-by: Markus Armbruster <armbru@redhat.com> Reviewed-by: Stefan Hajnoczi <stefanha@redhat.com> Signed-off-by: Markus Armbruster <armbru@redhat.com>
* qom: Clean up inconsistent use of gchar * vs. char *Markus Armbruster2020-05-151-1/+1
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Uses of gchar * in qom/object.h: * ObjectProperty member @name Functions that take a property name argument all use char *. Change the member to match. * ObjectProperty member @type Functions that take a property type argument or return it all use char *. Change the member to match. * ObjectProperty member @description Functions that take a property description argument all use char *. Change the member to match. * object_resolve_path_component() parameter @part Path components are property names. Most callers pass char * arguments. Change the parameter to match. Adjust the few callers that pass gchar * to pass char *. * Return value of object_get_canonical_path_component(), object_get_canonical_path() Most callers convert their return values right back to char *. Change the return value to match. Adjust the few callers where that would add a conversion to gchar * to use char * instead. Signed-off-by: Markus Armbruster <armbru@redhat.com> Reviewed-by: Eric Blake <eblake@redhat.com> Reviewed-by: Paolo Bonzini <pbonzini@redhat.com> Message-Id: <20200505152926.18877-3-armbru@redhat.com>
* qmp: constify QmpCommand and listMarc-André Lureau2020-03-171-1/+1
| | | | | | | | | | | Since 0b69f6f72ce47a37a749b056b6d5ec64c61f11e8 "qapi: remove qmp_unregister_command()", the command list can be declared const. Signed-off-by: Marc-André Lureau <marcandre.lureau@redhat.com> Reviewed-by: Damien Hedde <damien.hedde@greensocs.com> Message-Id: <20200316171824.2319695-1-marcandre.lureau@redhat.com> [Rebased] Signed-off-by: Markus Armbruster <armbru@redhat.com>
* monitor: Move qmp_query_qmp_schema to qmp-cmds-control.cKevin Wolf2020-02-171-0/+3
| | | | | | | | | | | | 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>
* qapi: Split control.json off misc.jsonKevin Wolf2020-02-171-0/+1
| | | | | | | | | | | | | | 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>
* Include generated QAPI headers lessMarkus Armbruster2019-08-161-1/+0Star
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Some of the generated qapi-types-MODULE.h are included all over the place. Changing a QAPI type can trigger massive recompiling. Top scorers recompile more than 1000 out of some 6600 objects (not counting tests and objects that don't depend on qemu/osdep.h): 6300 qapi/qapi-builtin-types.h 5700 qapi/qapi-types-run-state.h 3900 qapi/qapi-types-common.h 3300 qapi/qapi-types-sockets.h 3000 qapi/qapi-types-misc.h 3000 qapi/qapi-types-crypto.h 3000 qapi/qapi-types-job.h 3000 qapi/qapi-types-block-core.h 2800 qapi/qapi-types-block.h 1300 qapi/qapi-types-net.h Clean up headers to include generated QAPI headers only where needed. Impact is negligible except for hw/qdev-properties.h. This header includes qapi/qapi-types-block.h and qapi/qapi-types-misc.h. They are used only in expansions of property definition macros such as DEFINE_PROP_BLOCKDEV_ON_ERROR() and DEFINE_PROP_OFF_AUTO(). Moving their inclusion from hw/qdev-properties.h to the users of these macros avoids pointless recompiles. This is how other property definition macros, such as DEFINE_PROP_NETDEV(), already work. Improves things for some of the top scorers: 3600 qapi/qapi-types-common.h 2800 qapi/qapi-types-sockets.h 900 qapi/qapi-types-misc.h 2200 qapi/qapi-types-crypto.h 2100 qapi/qapi-types-job.h 2100 qapi/qapi-types-block-core.h 270 qapi/qapi-types-block.h Signed-off-by: Markus Armbruster <armbru@redhat.com> Reviewed-by: Eric Blake <eblake@redhat.com> Reviewed-by: Philippe Mathieu-Daudé <philmd@redhat.com> Tested-by: Philippe Mathieu-Daudé <philmd@redhat.com> Message-Id: <20190812052359.30071-3-armbru@redhat.com>
* monitor: Replace monitor_init() with monitor_init_{hmp, qmp}()Kevin Wolf2019-06-181-3/+0Star
| | | | | | | | | | | | Most callers know which monitor type they want to have. Instead of calling monitor_init() with flags that can describe both types of monitors, make monitor_init_{hmp,qmp}() public interfaces that take specific bools instead of flags and call these functions directly. Signed-off-by: Kevin Wolf <kwolf@redhat.com> Message-Id: <20190613153405.24769-15-kwolf@redhat.com> Reviewed-by: Markus Armbruster <armbru@redhat.com> Signed-off-by: Markus Armbruster <armbru@redhat.com>
* monitor: Split Monitor.flags into separate boolsKevin Wolf2019-06-181-3/+5
| | | | | | | | | | | | | | | Monitor.flags contains three different flags: One to distinguish HMP from QMP; one specific to HMP (MONITOR_USE_READLINE) that is ignored with QMP; and another one specific to QMP (MONITOR_USE_PRETTY) that is ignored with HMP. Split the flags field into three bools and move them to the right subclass. Flags are still in use for the monitor_init() interface. Signed-off-by: Kevin Wolf <kwolf@redhat.com> Message-Id: <20190613153405.24769-14-kwolf@redhat.com> Reviewed-by: Markus Armbruster <armbru@redhat.com> Signed-off-by: Markus Armbruster <armbru@redhat.com>
* monitor: Split out monitor/monitor.cKevin Wolf2019-06-181-0/+1
| | | | | | | | | | | | | | | | | | | | | | Move the monitor core infrastructure from monitor/misc.c to monitor/monitor.c. This is code that can be shared for all targets, so compile it only once. What remains in monitor/misc.c after this patch is mostly monitor command implementations (which could move to hmp-cmds.c or qmp-cmds.c later) and code that requires a system emulator or is even target-dependent (including HMP command completion code). The amount of function and particularly extern variables in monitor_int.h is probably a bit larger than it needs to be, but this way no non-trivial code modifications are needed. The interfaces between all monitor parts can be cleaned up later. Signed-off-by: Kevin Wolf <kwolf@redhat.com> Message-Id: <20190613153405.24769-13-kwolf@redhat.com> Reviewed-by: Markus Armbruster <armbru@redhat.com> [Superfluous #include dropped] Signed-off-by: Markus Armbruster <armbru@redhat.com>
* monitor: Split out monitor/hmp.cKevin Wolf2019-06-181-0/+8
| | | | | | | | | | | | | | | | | Move HMP infrastructure from monitor/misc.c to monitor/hmp.c. This is code that can be shared for all targets, so compile it only once. The amount of function and particularly extern variables in monitor_int.h is probably a bit larger than it needs to be, but this way no non-trivial code modifications are needed. The interfaces between HMP and the monitor core can be cleaned up later. Signed-off-by: Kevin Wolf <kwolf@redhat.com> Message-Id: <20190613153405.24769-12-kwolf@redhat.com> Reviewed-by: Markus Armbruster <armbru@redhat.com> [Comment reformatted to make checkpatch.pl happy, #include <dirent.h> moved to fix Windows build, superfluous #include dropped] Signed-off-by: Markus Armbruster <armbru@redhat.com>
* monitor: Split out monitor/qmp.cKevin Wolf2019-06-171-0/+30
| | | | | | | | | | | | | | | | | | Move QMP infrastructure from monitor/misc.c to monitor/qmp.c. This is code that can be shared for all targets, so compile it only once. The amount of function and particularly extern variables in monitor_int.h is probably a bit larger than it needs to be, but this way no non-trivial code modifications are needed. The interfaces between QMP and the monitor core can be cleaned up later. Signed-off-by: Kevin Wolf <kwolf@redhat.com> Reviewed-by: Dr. David Alan Gilbert <dgilbert@redhat.com> Message-Id: <20190613153405.24769-11-kwolf@redhat.com> Reviewed-by: Markus Armbruster <armbru@redhat.com> [monitor_is_qmp() tidied up to make checkpatch.pl happy, superfluous #include dropped] Signed-off-by: Markus Armbruster <armbru@redhat.com>
* monitor: Create monitor-internal.h with common definitionsKevin Wolf2019-06-171-0/+145
Before we can split monitor/misc.c, we need to create a header file that contains the common definitions that will be used by multiple source files. For a start, add the type definitions for Monitor, MonitorHMP and MonitorQMP and their dependencies. We'll add functions as needed when splitting monitor/misc.c. Signed-off-by: Kevin Wolf <kwolf@redhat.com> Reviewed-by: Dr. David Alan Gilbert <dgilbert@redhat.com> Message-Id: <20190613153405.24769-10-kwolf@redhat.com> Reviewed-by: Markus Armbruster <armbru@redhat.com> [Header guard symbol tidied up, superfluous #include dropped, FIXME in hmp_change() resolved] Signed-off-by: Markus Armbruster <armbru@redhat.com>
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