4 * Copyright (c) 2003-2004 Fabrice Bellard
6 * Permission is hereby granted, free of charge, to any person obtaining a copy
7 * of this software and associated documentation files (the "Software"), to deal
8 * in the Software without restriction, including without limitation the rights
9 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
10 * copies of the Software, and to permit persons to whom the Software is
11 * furnished to do so, subject to the following conditions:
13 * The above copyright notice and this permission notice shall be included in
14 * all copies or substantial portions of the Software.
16 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
17 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
18 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
19 * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
20 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
21 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
25 #include "qemu/osdep.h"
26 #include "qemu/units.h"
30 #include "monitor/qdev.h"
32 #include "hw/pci/pci.h"
33 #include "sysemu/watchdog.h"
34 #include "hw/loader.h"
35 #include "exec/gdbstub.h"
37 #include "net/slirp.h"
38 #include "chardev/char-fe.h"
39 #include "chardev/char-io.h"
40 #include "chardev/char-mux.h"
41 #include "ui/qemu-spice.h"
42 #include "sysemu/numa.h"
43 #include "monitor/monitor.h"
44 #include "qemu/config-file.h"
45 #include "qemu/readline.h"
46 #include "ui/console.h"
48 #include "sysemu/block-backend.h"
49 #include "audio/audio.h"
50 #include "disas/disas.h"
51 #include "sysemu/balloon.h"
52 #include "qemu/timer.h"
53 #include "sysemu/hw_accel.h"
55 #include "sysemu/tpm.h"
56 #include "qapi/qmp/qdict.h"
57 #include "qapi/qmp/qerror.h"
58 #include "qapi/qmp/qnum.h"
59 #include "qapi/qmp/qstring.h"
60 #include "qapi/qmp/qjson.h"
61 #include "qapi/qmp/json-streamer.h"
62 #include "qapi/qmp/json-parser.h"
63 #include "qapi/qmp/qlist.h"
64 #include "qom/object_interfaces.h"
65 #include "trace-root.h"
66 #include "trace/control.h"
67 #include "monitor/hmp-target.h"
68 #ifdef CONFIG_TRACE_SIMPLE
69 #include "trace/simple.h"
71 #include "exec/memory.h"
72 #include "exec/exec-all.h"
74 #include "qemu/option.h"
76 #include "qemu/thread.h"
77 #include "block/qapi.h"
78 #include "qapi/qapi-commands.h"
79 #include "qapi/qapi-events.h"
80 #include "qapi/error.h"
81 #include "qapi/qmp-event.h"
82 #include "qapi/qapi-introspect.h"
83 #include "sysemu/qtest.h"
84 #include "sysemu/cpus.h"
85 #include "sysemu/iothread.h"
86 #include "qemu/cutils.h"
88 #if defined(TARGET_S390X)
89 #include "hw/s390x/storage-keys.h"
90 #include "hw/s390x/storage-attributes.h"
97 * 'B' block device name
98 * 's' string (accept optional quote)
99 * 'S' it just appends the rest of the string (accept optional quote)
100 * 'O' option string of the form NAME=VALUE,...
101 * parsed according to QemuOptsList given by its name
102 * Example: 'device:O' uses qemu_device_opts.
103 * Restriction: only lists with empty desc are supported
104 * TODO lift the restriction
106 * 'l' target long (32 or 64 bit)
107 * 'M' Non-negative target long (32 or 64 bit), in user mode the
108 * value is multiplied by 2^20 (think Mebibyte)
109 * 'o' octets (aka bytes)
110 * user mode accepts an optional E, e, P, p, T, t, G, g, M, m,
111 * K, k suffix, which multiplies the value by 2^60 for suffixes E
112 * and e, 2^50 for suffixes P and p, 2^40 for suffixes T and t,
113 * 2^30 for suffixes G and g, 2^20 for M and m, 2^10 for K and k
115 * user mode accepts an optional ms, us, ns suffix,
116 * which divides the value by 1e3, 1e6, 1e9, respectively
117 * '/' optional gdb-like print format (like "/10x")
119 * '?' optional type (for all types, except '/')
120 * '.' other form of optional type (for 'i' and 'l')
122 * user mode accepts "on" or "off"
123 * '-' optional parameter (eg. '-f')
127 typedef struct mon_cmd_t
{
129 const char *args_type
;
132 const char *flags
; /* p=preconfig */
133 void (*cmd
)(Monitor
*mon
, const QDict
*qdict
);
134 /* @sub_table is a list of 2nd level of commands. If it does not exist,
135 * cmd should be used. If it exists, sub_table[?].cmd should be
136 * used, and cmd of 1st level plays the role of help function.
138 struct mon_cmd_t
*sub_table
;
139 void (*command_completion
)(ReadLineState
*rs
, int nb_args
, const char *str
);
142 /* file descriptors passed via SCM_RIGHTS */
143 typedef struct mon_fd_t mon_fd_t
;
147 QLIST_ENTRY(mon_fd_t
) next
;
150 /* file descriptor associated with a file descriptor set */
151 typedef struct MonFdsetFd MonFdsetFd
;
156 QLIST_ENTRY(MonFdsetFd
) next
;
159 /* file descriptor set containing fds passed via SCM_RIGHTS */
160 typedef struct MonFdset MonFdset
;
163 QLIST_HEAD(, MonFdsetFd
) fds
;
164 QLIST_HEAD(, MonFdsetFd
) dup_fds
;
165 QLIST_ENTRY(MonFdset
) next
;
169 JSONMessageParser parser
;
171 * When a client connects, we're in capabilities negotiation mode.
172 * @commands is &qmp_cap_negotiation_commands then. When command
173 * qmp_capabilities succeeds, we go into command mode, and
174 * @command becomes &qmp_commands.
176 QmpCommandList
*commands
;
177 bool capab_offered
[QMP_CAPABILITY__MAX
]; /* capabilities offered */
178 bool capab
[QMP_CAPABILITY__MAX
]; /* offered and accepted */
180 * Protects qmp request/response queue.
181 * Take monitor_lock first when you need both.
183 QemuMutex qmp_queue_lock
;
184 /* Input queue that holds all the parsed QMP requests */
185 GQueue
*qmp_requests
;
186 /* Output queue contains all the QMP responses in order */
187 GQueue
*qmp_responses
;
191 * To prevent flooding clients, events can be throttled. The
192 * throttling is calculated globally, rather than per-Monitor
195 typedef struct MonitorQAPIEventState
{
196 QAPIEvent event
; /* Throttling state for this event type and... */
197 QDict
*data
; /* ... data, see qapi_event_throttle_equal() */
198 QEMUTimer
*timer
; /* Timer for handling delayed events */
199 QDict
*qdict
; /* Delayed event (if any) */
200 } MonitorQAPIEventState
;
203 int64_t rate
; /* Minimum time (in ns) between two events */
204 } MonitorQAPIEventConf
;
210 int suspend_cnt
; /* Needs to be accessed atomically */
215 * State used only in the thread "owning" the monitor.
216 * If @use_io_thread, this is @mon_iothread.
217 * Else, it's the main thread.
218 * These members can be safely accessed without locks.
224 BlockCompletionFunc
*password_completion_cb
;
225 void *password_opaque
;
226 mon_cmd_t
*cmd_table
;
227 QTAILQ_ENTRY(Monitor
) entry
;
230 * The per-monitor lock. We can't access guest memory when holding
236 * Members that are protected by the per-monitor lock
238 QLIST_HEAD(, mon_fd_t
) fds
;
241 /* Read under either BQL or mon_lock, written with BQL+mon_lock. */
245 /* Shared monitor I/O thread */
246 IOThread
*mon_iothread
;
248 /* Bottom half to dispatch the requests received from I/O thread */
249 QEMUBH
*qmp_dispatcher_bh
;
251 /* Bottom half to deliver the responses back to clients */
252 QEMUBH
*qmp_respond_bh
;
255 /* Owner of the request */
257 /* "id" field of the request */
260 * Request object to be handled or Error to be reported
261 * (exactly one of them is non-null)
266 * Whether we need to resume the monitor afterward. This flag is
267 * used to emulate the old QMP server behavior that the current
268 * command must be completed before execution of the next one.
272 typedef struct QMPRequest QMPRequest
;
274 /* QMP checker flags */
275 #define QMP_ACCEPT_UNKNOWNS 1
277 /* Protects mon_list, monitor_qapi_event_state. */
278 static QemuMutex monitor_lock
;
279 static GHashTable
*monitor_qapi_event_state
;
280 static QTAILQ_HEAD(mon_list
, Monitor
) mon_list
;
282 /* Protects mon_fdsets */
283 static QemuMutex mon_fdsets_lock
;
284 static QLIST_HEAD(mon_fdsets
, MonFdset
) mon_fdsets
;
286 static int mon_refcount
;
288 static mon_cmd_t mon_cmds
[];
289 static mon_cmd_t info_cmds
[];
291 QmpCommandList qmp_commands
, qmp_cap_negotiation_commands
;
293 __thread Monitor
*cur_mon
;
295 static void monitor_command_cb(void *opaque
, const char *cmdline
,
296 void *readline_opaque
);
299 * Is @mon a QMP monitor?
301 static inline bool monitor_is_qmp(const Monitor
*mon
)
303 return (mon
->flags
& MONITOR_USE_CONTROL
);
307 * Is @mon is using readline?
308 * Note: not all HMP monitors use readline, e.g., gdbserver has a
309 * non-interactive HMP monitor, so readline is not used there.
311 static inline bool monitor_uses_readline(const Monitor
*mon
)
313 return mon
->flags
& MONITOR_USE_READLINE
;
316 static inline bool monitor_is_hmp_non_interactive(const Monitor
*mon
)
318 return !monitor_is_qmp(mon
) && !monitor_uses_readline(mon
);
322 * Return the clock to use for recording an event's time.
323 * It's QEMU_CLOCK_REALTIME, except for qtests it's
324 * QEMU_CLOCK_VIRTUAL, to support testing rate limits.
325 * Beware: result is invalid before configure_accelerator().
327 static inline QEMUClockType
monitor_get_event_clock(void)
329 return qtest_enabled() ? QEMU_CLOCK_VIRTUAL
: QEMU_CLOCK_REALTIME
;
333 * Is the current monitor, if any, a QMP monitor?
335 bool monitor_cur_is_qmp(void)
337 return cur_mon
&& monitor_is_qmp(cur_mon
);
340 void monitor_read_command(Monitor
*mon
, int show_prompt
)
345 readline_start(mon
->rs
, "(qemu) ", 0, monitor_command_cb
, NULL
);
347 readline_show_prompt(mon
->rs
);
350 int monitor_read_password(Monitor
*mon
, ReadLineFunc
*readline_func
,
354 readline_start(mon
->rs
, "Password: ", 1, readline_func
, opaque
);
355 /* prompt is printed on return from the command handler */
358 monitor_printf(mon
, "terminal does not support password prompting\n");
363 static void qmp_request_free(QMPRequest
*req
)
365 qobject_unref(req
->id
);
366 qobject_unref(req
->req
);
367 error_free(req
->err
);
371 /* Caller must hold mon->qmp.qmp_queue_lock */
372 static void monitor_qmp_cleanup_req_queue_locked(Monitor
*mon
)
374 while (!g_queue_is_empty(mon
->qmp
.qmp_requests
)) {
375 qmp_request_free(g_queue_pop_head(mon
->qmp
.qmp_requests
));
379 /* Caller must hold the mon->qmp.qmp_queue_lock */
380 static void monitor_qmp_cleanup_resp_queue_locked(Monitor
*mon
)
382 while (!g_queue_is_empty(mon
->qmp
.qmp_responses
)) {
383 qobject_unref((QDict
*)g_queue_pop_head(mon
->qmp
.qmp_responses
));
387 static void monitor_qmp_cleanup_queues(Monitor
*mon
)
389 qemu_mutex_lock(&mon
->qmp
.qmp_queue_lock
);
390 monitor_qmp_cleanup_req_queue_locked(mon
);
391 monitor_qmp_cleanup_resp_queue_locked(mon
);
392 qemu_mutex_unlock(&mon
->qmp
.qmp_queue_lock
);
396 static void monitor_flush_locked(Monitor
*mon
);
398 static gboolean
monitor_unblocked(GIOChannel
*chan
, GIOCondition cond
,
401 Monitor
*mon
= opaque
;
403 qemu_mutex_lock(&mon
->mon_lock
);
405 monitor_flush_locked(mon
);
406 qemu_mutex_unlock(&mon
->mon_lock
);
410 /* Caller must hold mon->mon_lock */
411 static void monitor_flush_locked(Monitor
*mon
)
417 if (mon
->skip_flush
) {
421 buf
= qstring_get_str(mon
->outbuf
);
422 len
= qstring_get_length(mon
->outbuf
);
424 if (len
&& !mon
->mux_out
) {
425 rc
= qemu_chr_fe_write(&mon
->chr
, (const uint8_t *) buf
, len
);
426 if ((rc
< 0 && errno
!= EAGAIN
) || (rc
== len
)) {
427 /* all flushed or error */
428 qobject_unref(mon
->outbuf
);
429 mon
->outbuf
= qstring_new();
434 QString
*tmp
= qstring_from_str(buf
+ rc
);
435 qobject_unref(mon
->outbuf
);
438 if (mon
->out_watch
== 0) {
440 qemu_chr_fe_add_watch(&mon
->chr
, G_IO_OUT
| G_IO_HUP
,
441 monitor_unblocked
, mon
);
446 void monitor_flush(Monitor
*mon
)
448 qemu_mutex_lock(&mon
->mon_lock
);
449 monitor_flush_locked(mon
);
450 qemu_mutex_unlock(&mon
->mon_lock
);
453 /* flush at every end of line */
454 static void monitor_puts(Monitor
*mon
, const char *str
)
458 qemu_mutex_lock(&mon
->mon_lock
);
464 qstring_append_chr(mon
->outbuf
, '\r');
466 qstring_append_chr(mon
->outbuf
, c
);
468 monitor_flush_locked(mon
);
471 qemu_mutex_unlock(&mon
->mon_lock
);
474 void monitor_vprintf(Monitor
*mon
, const char *fmt
, va_list ap
)
481 if (monitor_is_qmp(mon
)) {
485 buf
= g_strdup_vprintf(fmt
, ap
);
486 monitor_puts(mon
, buf
);
490 void monitor_printf(Monitor
*mon
, const char *fmt
, ...)
494 monitor_vprintf(mon
, fmt
, ap
);
498 int monitor_fprintf(FILE *stream
, const char *fmt
, ...)
502 monitor_vprintf((Monitor
*)stream
, fmt
, ap
);
507 static void qmp_send_response(Monitor
*mon
, QDict
*rsp
)
509 QObject
*data
= QOBJECT(rsp
);
512 json
= mon
->flags
& MONITOR_USE_PRETTY
? qobject_to_json_pretty(data
) :
513 qobject_to_json(data
);
514 assert(json
!= NULL
);
516 qstring_append_chr(json
, '\n');
517 monitor_puts(mon
, qstring_get_str(json
));
522 static void qmp_queue_response(Monitor
*mon
, QDict
*rsp
)
524 if (mon
->use_io_thread
) {
526 * Push a reference to the response queue. The I/O thread
527 * drains that queue and emits.
529 qemu_mutex_lock(&mon
->qmp
.qmp_queue_lock
);
530 g_queue_push_tail(mon
->qmp
.qmp_responses
, qobject_ref(rsp
));
531 qemu_mutex_unlock(&mon
->qmp
.qmp_queue_lock
);
532 qemu_bh_schedule(qmp_respond_bh
);
535 * Not using monitor I/O thread, i.e. we are in the main thread.
538 qmp_send_response(mon
, rsp
);
546 typedef struct QMPResponse QMPResponse
;
548 static QDict
*monitor_qmp_response_pop_one(Monitor
*mon
)
552 qemu_mutex_lock(&mon
->qmp
.qmp_queue_lock
);
553 data
= g_queue_pop_head(mon
->qmp
.qmp_responses
);
554 qemu_mutex_unlock(&mon
->qmp
.qmp_queue_lock
);
559 static void monitor_qmp_response_flush(Monitor
*mon
)
563 while ((data
= monitor_qmp_response_pop_one(mon
))) {
564 qmp_send_response(mon
, data
);
570 * Pop a QMPResponse from any monitor's response queue into @response.
571 * Return false if all the queues are empty; else true.
573 static bool monitor_qmp_response_pop_any(QMPResponse
*response
)
578 qemu_mutex_lock(&monitor_lock
);
579 QTAILQ_FOREACH(mon
, &mon_list
, entry
) {
580 data
= monitor_qmp_response_pop_one(mon
);
583 response
->data
= data
;
587 qemu_mutex_unlock(&monitor_lock
);
591 static void monitor_qmp_bh_responder(void *opaque
)
593 QMPResponse response
;
595 while (monitor_qmp_response_pop_any(&response
)) {
596 qmp_send_response(response
.mon
, response
.data
);
597 qobject_unref(response
.data
);
601 static MonitorQAPIEventConf monitor_qapi_event_conf
[QAPI_EVENT__MAX
] = {
602 /* Limit guest-triggerable events to 1 per second */
603 [QAPI_EVENT_RTC_CHANGE
] = { 1000 * SCALE_MS
},
604 [QAPI_EVENT_WATCHDOG
] = { 1000 * SCALE_MS
},
605 [QAPI_EVENT_BALLOON_CHANGE
] = { 1000 * SCALE_MS
},
606 [QAPI_EVENT_QUORUM_REPORT_BAD
] = { 1000 * SCALE_MS
},
607 [QAPI_EVENT_QUORUM_FAILURE
] = { 1000 * SCALE_MS
},
608 [QAPI_EVENT_VSERPORT_CHANGE
] = { 1000 * SCALE_MS
},
612 * Broadcast an event to all monitors.
613 * @qdict is the event object. Its member "event" must match @event.
614 * Caller must hold monitor_lock.
616 static void monitor_qapi_event_emit(QAPIEvent event
, QDict
*qdict
)
620 trace_monitor_protocol_event_emit(event
, qdict
);
621 QTAILQ_FOREACH(mon
, &mon_list
, entry
) {
622 if (monitor_is_qmp(mon
)
623 && mon
->qmp
.commands
!= &qmp_cap_negotiation_commands
) {
624 qmp_queue_response(mon
, qdict
);
629 static void monitor_qapi_event_handler(void *opaque
);
632 * Queue a new event for emission to Monitor instances,
633 * applying any rate limiting if required.
636 monitor_qapi_event_queue_no_reenter(QAPIEvent event
, QDict
*qdict
)
638 MonitorQAPIEventConf
*evconf
;
639 MonitorQAPIEventState
*evstate
;
641 assert(event
< QAPI_EVENT__MAX
);
642 evconf
= &monitor_qapi_event_conf
[event
];
643 trace_monitor_protocol_event_queue(event
, qdict
, evconf
->rate
);
645 qemu_mutex_lock(&monitor_lock
);
648 /* Unthrottled event */
649 monitor_qapi_event_emit(event
, qdict
);
651 QDict
*data
= qobject_to(QDict
, qdict_get(qdict
, "data"));
652 MonitorQAPIEventState key
= { .event
= event
, .data
= data
};
654 evstate
= g_hash_table_lookup(monitor_qapi_event_state
, &key
);
655 assert(!evstate
|| timer_pending(evstate
->timer
));
659 * Timer is pending for (at least) evconf->rate ns after
660 * last send. Store event for sending when timer fires,
661 * replacing a prior stored event if any.
663 qobject_unref(evstate
->qdict
);
664 evstate
->qdict
= qobject_ref(qdict
);
667 * Last send was (at least) evconf->rate ns ago.
668 * Send immediately, and arm the timer to call
669 * monitor_qapi_event_handler() in evconf->rate ns. Any
670 * events arriving before then will be delayed until then.
672 int64_t now
= qemu_clock_get_ns(monitor_get_event_clock());
674 monitor_qapi_event_emit(event
, qdict
);
676 evstate
= g_new(MonitorQAPIEventState
, 1);
677 evstate
->event
= event
;
678 evstate
->data
= qobject_ref(data
);
679 evstate
->qdict
= NULL
;
680 evstate
->timer
= timer_new_ns(monitor_get_event_clock(),
681 monitor_qapi_event_handler
,
683 g_hash_table_add(monitor_qapi_event_state
, evstate
);
684 timer_mod_ns(evstate
->timer
, now
+ evconf
->rate
);
688 qemu_mutex_unlock(&monitor_lock
);
692 monitor_qapi_event_queue(QAPIEvent event
, QDict
*qdict
, Error
**errp
)
695 * monitor_qapi_event_queue_no_reenter() is not reentrant: it
696 * would deadlock on monitor_lock. Work around by queueing
697 * events in thread-local storage.
698 * TODO: remove this, make it re-enter safe.
700 typedef struct MonitorQapiEvent
{
703 QSIMPLEQ_ENTRY(MonitorQapiEvent
) entry
;
705 static __thread
QSIMPLEQ_HEAD(, MonitorQapiEvent
) event_queue
;
706 static __thread
bool reentered
;
707 MonitorQapiEvent
*ev
;
710 QSIMPLEQ_INIT(&event_queue
);
713 ev
= g_new(MonitorQapiEvent
, 1);
714 ev
->qdict
= qobject_ref(qdict
);
716 QSIMPLEQ_INSERT_TAIL(&event_queue
, ev
, entry
);
723 while ((ev
= QSIMPLEQ_FIRST(&event_queue
)) != NULL
) {
724 QSIMPLEQ_REMOVE_HEAD(&event_queue
, entry
);
725 monitor_qapi_event_queue_no_reenter(ev
->event
, ev
->qdict
);
726 qobject_unref(ev
->qdict
);
734 * This function runs evconf->rate ns after sending a throttled
736 * If another event has since been stored, send it.
738 static void monitor_qapi_event_handler(void *opaque
)
740 MonitorQAPIEventState
*evstate
= opaque
;
741 MonitorQAPIEventConf
*evconf
= &monitor_qapi_event_conf
[evstate
->event
];
743 trace_monitor_protocol_event_handler(evstate
->event
, evstate
->qdict
);
744 qemu_mutex_lock(&monitor_lock
);
746 if (evstate
->qdict
) {
747 int64_t now
= qemu_clock_get_ns(monitor_get_event_clock());
749 monitor_qapi_event_emit(evstate
->event
, evstate
->qdict
);
750 qobject_unref(evstate
->qdict
);
751 evstate
->qdict
= NULL
;
752 timer_mod_ns(evstate
->timer
, now
+ evconf
->rate
);
754 g_hash_table_remove(monitor_qapi_event_state
, evstate
);
755 qobject_unref(evstate
->data
);
756 timer_free(evstate
->timer
);
760 qemu_mutex_unlock(&monitor_lock
);
763 static unsigned int qapi_event_throttle_hash(const void *key
)
765 const MonitorQAPIEventState
*evstate
= key
;
766 unsigned int hash
= evstate
->event
* 255;
768 if (evstate
->event
== QAPI_EVENT_VSERPORT_CHANGE
) {
769 hash
+= g_str_hash(qdict_get_str(evstate
->data
, "id"));
772 if (evstate
->event
== QAPI_EVENT_QUORUM_REPORT_BAD
) {
773 hash
+= g_str_hash(qdict_get_str(evstate
->data
, "node-name"));
779 static gboolean
qapi_event_throttle_equal(const void *a
, const void *b
)
781 const MonitorQAPIEventState
*eva
= a
;
782 const MonitorQAPIEventState
*evb
= b
;
784 if (eva
->event
!= evb
->event
) {
788 if (eva
->event
== QAPI_EVENT_VSERPORT_CHANGE
) {
789 return !strcmp(qdict_get_str(eva
->data
, "id"),
790 qdict_get_str(evb
->data
, "id"));
793 if (eva
->event
== QAPI_EVENT_QUORUM_REPORT_BAD
) {
794 return !strcmp(qdict_get_str(eva
->data
, "node-name"),
795 qdict_get_str(evb
->data
, "node-name"));
801 static void monitor_qapi_event_init(void)
803 monitor_qapi_event_state
= g_hash_table_new(qapi_event_throttle_hash
,
804 qapi_event_throttle_equal
);
805 qmp_event_set_func_emit(monitor_qapi_event_queue
);
808 static void handle_hmp_command(Monitor
*mon
, const char *cmdline
);
810 static void monitor_data_init(Monitor
*mon
, bool skip_flush
,
813 memset(mon
, 0, sizeof(Monitor
));
814 qemu_mutex_init(&mon
->mon_lock
);
815 qemu_mutex_init(&mon
->qmp
.qmp_queue_lock
);
816 mon
->outbuf
= qstring_new();
817 /* Use *mon_cmds by default. */
818 mon
->cmd_table
= mon_cmds
;
819 mon
->skip_flush
= skip_flush
;
820 mon
->use_io_thread
= use_io_thread
;
821 mon
->qmp
.qmp_requests
= g_queue_new();
822 mon
->qmp
.qmp_responses
= g_queue_new();
825 static void monitor_data_destroy(Monitor
*mon
)
827 g_free(mon
->mon_cpu_path
);
828 qemu_chr_fe_deinit(&mon
->chr
, false);
829 if (monitor_is_qmp(mon
)) {
830 json_message_parser_destroy(&mon
->qmp
.parser
);
832 readline_free(mon
->rs
);
833 qobject_unref(mon
->outbuf
);
834 qemu_mutex_destroy(&mon
->mon_lock
);
835 qemu_mutex_destroy(&mon
->qmp
.qmp_queue_lock
);
836 monitor_qmp_cleanup_req_queue_locked(mon
);
837 monitor_qmp_cleanup_resp_queue_locked(mon
);
838 g_queue_free(mon
->qmp
.qmp_requests
);
839 g_queue_free(mon
->qmp
.qmp_responses
);
842 char *qmp_human_monitor_command(const char *command_line
, bool has_cpu_index
,
843 int64_t cpu_index
, Error
**errp
)
846 Monitor
*old_mon
, hmp
;
848 monitor_data_init(&hmp
, true, false);
854 int ret
= monitor_set_cpu(cpu_index
);
857 error_setg(errp
, QERR_INVALID_PARAMETER_VALUE
, "cpu-index",
863 handle_hmp_command(&hmp
, command_line
);
866 qemu_mutex_lock(&hmp
.mon_lock
);
867 if (qstring_get_length(hmp
.outbuf
) > 0) {
868 output
= g_strdup(qstring_get_str(hmp
.outbuf
));
870 output
= g_strdup("");
872 qemu_mutex_unlock(&hmp
.mon_lock
);
875 monitor_data_destroy(&hmp
);
879 static int compare_cmd(const char *name
, const char *list
)
881 const char *p
, *pstart
;
887 p
= qemu_strchrnul(p
, '|');
888 if ((p
- pstart
) == len
&& !memcmp(pstart
, name
, len
))
897 static int get_str(char *buf
, int buf_size
, const char **pp
)
905 while (qemu_isspace(*p
)) {
916 while (*p
!= '\0' && *p
!= '\"') {
932 printf("unsupported escape code: '\\%c'\n", c
);
935 if ((q
- buf
) < buf_size
- 1) {
939 if ((q
- buf
) < buf_size
- 1) {
946 printf("unterminated string\n");
951 while (*p
!= '\0' && !qemu_isspace(*p
)) {
952 if ((q
- buf
) < buf_size
- 1) {
965 static void free_cmdline_args(char **args
, int nb_args
)
969 assert(nb_args
<= MAX_ARGS
);
971 for (i
= 0; i
< nb_args
; i
++) {
978 * Parse the command line to get valid args.
979 * @cmdline: command line to be parsed.
980 * @pnb_args: location to store the number of args, must NOT be NULL.
981 * @args: location to store the args, which should be freed by caller, must
984 * Returns 0 on success, negative on failure.
986 * NOTE: this parser is an approximate form of the real command parser. Number
987 * of args have a limit of MAX_ARGS. If cmdline contains more, it will
988 * return with failure.
990 static int parse_cmdline(const char *cmdline
,
991 int *pnb_args
, char **args
)
1000 while (qemu_isspace(*p
)) {
1006 if (nb_args
>= MAX_ARGS
) {
1009 ret
= get_str(buf
, sizeof(buf
), &p
);
1013 args
[nb_args
] = g_strdup(buf
);
1016 *pnb_args
= nb_args
;
1020 free_cmdline_args(args
, nb_args
);
1025 * Can command @cmd be executed in preconfig state?
1027 static bool cmd_can_preconfig(const mon_cmd_t
*cmd
)
1033 return strchr(cmd
->flags
, 'p');
1036 static void help_cmd_dump_one(Monitor
*mon
,
1037 const mon_cmd_t
*cmd
,
1043 if (runstate_check(RUN_STATE_PRECONFIG
) && !cmd_can_preconfig(cmd
)) {
1047 for (i
= 0; i
< prefix_args_nb
; i
++) {
1048 monitor_printf(mon
, "%s ", prefix_args
[i
]);
1050 monitor_printf(mon
, "%s %s -- %s\n", cmd
->name
, cmd
->params
, cmd
->help
);
1053 /* @args[@arg_index] is the valid command need to find in @cmds */
1054 static void help_cmd_dump(Monitor
*mon
, const mon_cmd_t
*cmds
,
1055 char **args
, int nb_args
, int arg_index
)
1057 const mon_cmd_t
*cmd
;
1059 /* No valid arg need to compare with, dump all in *cmds */
1060 if (arg_index
>= nb_args
) {
1061 for (cmd
= cmds
; cmd
->name
!= NULL
; cmd
++) {
1062 help_cmd_dump_one(mon
, cmd
, args
, arg_index
);
1067 /* Find one entry to dump */
1068 for (cmd
= cmds
; cmd
->name
!= NULL
; cmd
++) {
1069 if (compare_cmd(args
[arg_index
], cmd
->name
) &&
1070 ((!runstate_check(RUN_STATE_PRECONFIG
) ||
1071 cmd_can_preconfig(cmd
)))) {
1072 if (cmd
->sub_table
) {
1073 /* continue with next arg */
1074 help_cmd_dump(mon
, cmd
->sub_table
,
1075 args
, nb_args
, arg_index
+ 1);
1077 help_cmd_dump_one(mon
, cmd
, args
, arg_index
);
1084 static void help_cmd(Monitor
*mon
, const char *name
)
1086 char *args
[MAX_ARGS
];
1089 /* 1. parse user input */
1091 /* special case for log, directly dump and return */
1092 if (!strcmp(name
, "log")) {
1093 const QEMULogItem
*item
;
1094 monitor_printf(mon
, "Log items (comma separated):\n");
1095 monitor_printf(mon
, "%-10s %s\n", "none", "remove all logs");
1096 for (item
= qemu_log_items
; item
->mask
!= 0; item
++) {
1097 monitor_printf(mon
, "%-10s %s\n", item
->name
, item
->help
);
1102 if (parse_cmdline(name
, &nb_args
, args
) < 0) {
1107 /* 2. dump the contents according to parsed args */
1108 help_cmd_dump(mon
, mon
->cmd_table
, args
, nb_args
, 0);
1110 free_cmdline_args(args
, nb_args
);
1113 static void do_help_cmd(Monitor
*mon
, const QDict
*qdict
)
1115 help_cmd(mon
, qdict_get_try_str(qdict
, "name"));
1118 static void hmp_trace_event(Monitor
*mon
, const QDict
*qdict
)
1120 const char *tp_name
= qdict_get_str(qdict
, "name");
1121 bool new_state
= qdict_get_bool(qdict
, "option");
1122 bool has_vcpu
= qdict_haskey(qdict
, "vcpu");
1123 int vcpu
= qdict_get_try_int(qdict
, "vcpu", 0);
1124 Error
*local_err
= NULL
;
1127 monitor_printf(mon
, "argument vcpu must be positive");
1131 qmp_trace_event_set_state(tp_name
, new_state
, true, true, has_vcpu
, vcpu
, &local_err
);
1133 error_report_err(local_err
);
1137 #ifdef CONFIG_TRACE_SIMPLE
1138 static void hmp_trace_file(Monitor
*mon
, const QDict
*qdict
)
1140 const char *op
= qdict_get_try_str(qdict
, "op");
1141 const char *arg
= qdict_get_try_str(qdict
, "arg");
1144 st_print_trace_file_status((FILE *)mon
, &monitor_fprintf
);
1145 } else if (!strcmp(op
, "on")) {
1146 st_set_trace_file_enabled(true);
1147 } else if (!strcmp(op
, "off")) {
1148 st_set_trace_file_enabled(false);
1149 } else if (!strcmp(op
, "flush")) {
1150 st_flush_trace_buffer();
1151 } else if (!strcmp(op
, "set")) {
1153 st_set_trace_file(arg
);
1156 monitor_printf(mon
, "unexpected argument \"%s\"\n", op
);
1157 help_cmd(mon
, "trace-file");
1162 static void hmp_info_help(Monitor
*mon
, const QDict
*qdict
)
1164 help_cmd(mon
, "info");
1167 static void query_commands_cb(QmpCommand
*cmd
, void *opaque
)
1169 CommandInfoList
*info
, **list
= opaque
;
1171 if (!cmd
->enabled
) {
1175 info
= g_malloc0(sizeof(*info
));
1176 info
->value
= g_malloc0(sizeof(*info
->value
));
1177 info
->value
->name
= g_strdup(cmd
->name
);
1182 CommandInfoList
*qmp_query_commands(Error
**errp
)
1184 CommandInfoList
*list
= NULL
;
1186 qmp_for_each_command(cur_mon
->qmp
.commands
, query_commands_cb
, &list
);
1191 EventInfoList
*qmp_query_events(Error
**errp
)
1193 EventInfoList
*info
, *ev_list
= NULL
;
1196 for (e
= 0 ; e
< QAPI_EVENT__MAX
; e
++) {
1197 const char *event_name
= QAPIEvent_str(e
);
1198 assert(event_name
!= NULL
);
1199 info
= g_malloc0(sizeof(*info
));
1200 info
->value
= g_malloc0(sizeof(*info
->value
));
1201 info
->value
->name
= g_strdup(event_name
);
1203 info
->next
= ev_list
;
1211 * Minor hack: generated marshalling suppressed for this command
1212 * ('gen': false in the schema) so we can parse the JSON string
1213 * directly into QObject instead of first parsing it with
1214 * visit_type_SchemaInfoList() into a SchemaInfoList, then marshal it
1215 * to QObject with generated output marshallers, every time. Instead,
1216 * we do it in test-qobject-input-visitor.c, just to make sure
1217 * qapi-gen.py's output actually conforms to the schema.
1219 static void qmp_query_qmp_schema(QDict
*qdict
, QObject
**ret_data
,
1222 *ret_data
= qobject_from_qlit(&qmp_schema_qlit
);
1226 * We used to define commands in qmp-commands.hx in addition to the
1227 * QAPI schema. This permitted defining some of them only in certain
1228 * configurations. query-commands has always reflected that (good,
1229 * because it lets QMP clients figure out what's actually available),
1230 * while query-qmp-schema never did (not so good). This function is a
1231 * hack to keep the configuration-specific commands defined exactly as
1232 * before, even though qmp-commands.hx is gone.
1234 * FIXME Educate the QAPI schema on configuration-specific commands,
1235 * and drop this hack.
1237 static void qmp_unregister_commands_hack(void)
1239 #ifndef CONFIG_REPLICATION
1240 qmp_unregister_command(&qmp_commands
, "xen-set-replication");
1241 qmp_unregister_command(&qmp_commands
, "query-xen-replication-status");
1242 qmp_unregister_command(&qmp_commands
, "xen-colo-do-checkpoint");
1245 qmp_unregister_command(&qmp_commands
, "rtc-reset-reinjection");
1246 qmp_unregister_command(&qmp_commands
, "query-sev");
1247 qmp_unregister_command(&qmp_commands
, "query-sev-launch-measure");
1248 qmp_unregister_command(&qmp_commands
, "query-sev-capabilities");
1250 #ifndef TARGET_S390X
1251 qmp_unregister_command(&qmp_commands
, "dump-skeys");
1254 qmp_unregister_command(&qmp_commands
, "query-gic-capabilities");
1256 #if !defined(TARGET_S390X) && !defined(TARGET_I386)
1257 qmp_unregister_command(&qmp_commands
, "query-cpu-model-expansion");
1259 #if !defined(TARGET_S390X)
1260 qmp_unregister_command(&qmp_commands
, "query-cpu-model-baseline");
1261 qmp_unregister_command(&qmp_commands
, "query-cpu-model-comparison");
1263 #if !defined(TARGET_PPC) && !defined(TARGET_ARM) && !defined(TARGET_I386) \
1264 && !defined(TARGET_S390X)
1265 qmp_unregister_command(&qmp_commands
, "query-cpu-definitions");
1269 static void monitor_init_qmp_commands(void)
1272 * Two command lists:
1273 * - qmp_commands contains all QMP commands
1274 * - qmp_cap_negotiation_commands contains just
1275 * "qmp_capabilities", to enforce capability negotiation
1278 qmp_init_marshal(&qmp_commands
);
1280 qmp_register_command(&qmp_commands
, "query-qmp-schema",
1281 qmp_query_qmp_schema
, QCO_ALLOW_PRECONFIG
);
1282 qmp_register_command(&qmp_commands
, "device_add", qmp_device_add
,
1284 qmp_register_command(&qmp_commands
, "netdev_add", qmp_netdev_add
,
1287 qmp_unregister_commands_hack();
1289 QTAILQ_INIT(&qmp_cap_negotiation_commands
);
1290 qmp_register_command(&qmp_cap_negotiation_commands
, "qmp_capabilities",
1291 qmp_marshal_qmp_capabilities
, QCO_ALLOW_PRECONFIG
);
1294 static bool qmp_oob_enabled(Monitor
*mon
)
1296 return mon
->qmp
.capab
[QMP_CAPABILITY_OOB
];
1299 static void monitor_qmp_caps_reset(Monitor
*mon
)
1301 memset(mon
->qmp
.capab_offered
, 0, sizeof(mon
->qmp
.capab_offered
));
1302 memset(mon
->qmp
.capab
, 0, sizeof(mon
->qmp
.capab
));
1303 mon
->qmp
.capab_offered
[QMP_CAPABILITY_OOB
] = mon
->use_io_thread
;
1307 * Accept QMP capabilities in @list for @mon.
1308 * On success, set mon->qmp.capab[], and return true.
1309 * On error, set @errp, and return false.
1311 static bool qmp_caps_accept(Monitor
*mon
, QMPCapabilityList
*list
,
1314 GString
*unavailable
= NULL
;
1315 bool capab
[QMP_CAPABILITY__MAX
];
1317 memset(capab
, 0, sizeof(capab
));
1319 for (; list
; list
= list
->next
) {
1320 if (!mon
->qmp
.capab_offered
[list
->value
]) {
1322 unavailable
= g_string_new(QMPCapability_str(list
->value
));
1324 g_string_append_printf(unavailable
, ", %s",
1325 QMPCapability_str(list
->value
));
1328 capab
[list
->value
] = true;
1332 error_setg(errp
, "Capability %s not available", unavailable
->str
);
1333 g_string_free(unavailable
, true);
1337 memcpy(mon
->qmp
.capab
, capab
, sizeof(capab
));
1341 void qmp_qmp_capabilities(bool has_enable
, QMPCapabilityList
*enable
,
1344 if (cur_mon
->qmp
.commands
== &qmp_commands
) {
1345 error_set(errp
, ERROR_CLASS_COMMAND_NOT_FOUND
,
1346 "Capabilities negotiation is already complete, command "
1351 if (!qmp_caps_accept(cur_mon
, enable
, errp
)) {
1355 cur_mon
->qmp
.commands
= &qmp_commands
;
1358 /* Set the current CPU defined by the user. Callers must hold BQL. */
1359 int monitor_set_cpu(int cpu_index
)
1363 cpu
= qemu_get_cpu(cpu_index
);
1367 g_free(cur_mon
->mon_cpu_path
);
1368 cur_mon
->mon_cpu_path
= object_get_canonical_path(OBJECT(cpu
));
1372 /* Callers must hold BQL. */
1373 static CPUState
*mon_get_cpu_sync(bool synchronize
)
1377 if (cur_mon
->mon_cpu_path
) {
1378 cpu
= (CPUState
*) object_resolve_path_type(cur_mon
->mon_cpu_path
,
1381 g_free(cur_mon
->mon_cpu_path
);
1382 cur_mon
->mon_cpu_path
= NULL
;
1385 if (!cur_mon
->mon_cpu_path
) {
1389 monitor_set_cpu(first_cpu
->cpu_index
);
1393 cpu_synchronize_state(cpu
);
1398 CPUState
*mon_get_cpu(void)
1400 return mon_get_cpu_sync(true);
1403 CPUArchState
*mon_get_cpu_env(void)
1405 CPUState
*cs
= mon_get_cpu();
1407 return cs
? cs
->env_ptr
: NULL
;
1410 int monitor_get_cpu_index(void)
1412 CPUState
*cs
= mon_get_cpu_sync(false);
1414 return cs
? cs
->cpu_index
: UNASSIGNED_CPU_INDEX
;
1417 static void hmp_info_registers(Monitor
*mon
, const QDict
*qdict
)
1419 bool all_cpus
= qdict_get_try_bool(qdict
, "cpustate_all", false);
1424 monitor_printf(mon
, "\nCPU#%d\n", cs
->cpu_index
);
1425 cpu_dump_state(cs
, (FILE *)mon
, monitor_fprintf
, CPU_DUMP_FPU
);
1431 monitor_printf(mon
, "No CPU available\n");
1435 cpu_dump_state(cs
, (FILE *)mon
, monitor_fprintf
, CPU_DUMP_FPU
);
1440 static void hmp_info_jit(Monitor
*mon
, const QDict
*qdict
)
1442 if (!tcg_enabled()) {
1443 error_report("JIT information is only available with accel=tcg");
1447 dump_exec_info((FILE *)mon
, monitor_fprintf
);
1448 dump_drift_info((FILE *)mon
, monitor_fprintf
);
1451 static void hmp_info_opcount(Monitor
*mon
, const QDict
*qdict
)
1453 dump_opcount_info((FILE *)mon
, monitor_fprintf
);
1457 static void hmp_info_sync_profile(Monitor
*mon
, const QDict
*qdict
)
1459 int64_t max
= qdict_get_try_int(qdict
, "max", 10);
1460 bool mean
= qdict_get_try_bool(qdict
, "mean", false);
1461 bool coalesce
= !qdict_get_try_bool(qdict
, "no_coalesce", false);
1462 enum QSPSortBy sort_by
;
1464 sort_by
= mean
? QSP_SORT_BY_AVG_WAIT_TIME
: QSP_SORT_BY_TOTAL_WAIT_TIME
;
1465 qsp_report((FILE *)mon
, monitor_fprintf
, max
, sort_by
, coalesce
);
1468 static void hmp_info_history(Monitor
*mon
, const QDict
*qdict
)
1477 str
= readline_get_history(mon
->rs
, i
);
1480 monitor_printf(mon
, "%d: '%s'\n", i
, str
);
1485 static void hmp_info_cpustats(Monitor
*mon
, const QDict
*qdict
)
1487 CPUState
*cs
= mon_get_cpu();
1490 monitor_printf(mon
, "No CPU available\n");
1493 cpu_dump_statistics(cs
, (FILE *)mon
, &monitor_fprintf
, 0);
1496 static void hmp_info_trace_events(Monitor
*mon
, const QDict
*qdict
)
1498 const char *name
= qdict_get_try_str(qdict
, "name");
1499 bool has_vcpu
= qdict_haskey(qdict
, "vcpu");
1500 int vcpu
= qdict_get_try_int(qdict
, "vcpu", 0);
1501 TraceEventInfoList
*events
;
1502 TraceEventInfoList
*elem
;
1503 Error
*local_err
= NULL
;
1509 monitor_printf(mon
, "argument vcpu must be positive");
1513 events
= qmp_trace_event_get_state(name
, has_vcpu
, vcpu
, &local_err
);
1515 error_report_err(local_err
);
1519 for (elem
= events
; elem
!= NULL
; elem
= elem
->next
) {
1520 monitor_printf(mon
, "%s : state %u\n",
1522 elem
->value
->state
== TRACE_EVENT_STATE_ENABLED
? 1 : 0);
1524 qapi_free_TraceEventInfoList(events
);
1527 void qmp_client_migrate_info(const char *protocol
, const char *hostname
,
1528 bool has_port
, int64_t port
,
1529 bool has_tls_port
, int64_t tls_port
,
1530 bool has_cert_subject
, const char *cert_subject
,
1533 if (strcmp(protocol
, "spice") == 0) {
1534 if (!qemu_using_spice(errp
)) {
1538 if (!has_port
&& !has_tls_port
) {
1539 error_setg(errp
, QERR_MISSING_PARAMETER
, "port/tls-port");
1543 if (qemu_spice_migrate_info(hostname
,
1544 has_port
? port
: -1,
1545 has_tls_port
? tls_port
: -1,
1547 error_setg(errp
, QERR_UNDEFINED_ERROR
);
1553 error_setg(errp
, QERR_INVALID_PARAMETER_VALUE
, "protocol", "spice");
1556 static void hmp_logfile(Monitor
*mon
, const QDict
*qdict
)
1560 qemu_set_log_filename(qdict_get_str(qdict
, "filename"), &err
);
1562 error_report_err(err
);
1566 static void hmp_log(Monitor
*mon
, const QDict
*qdict
)
1569 const char *items
= qdict_get_str(qdict
, "items");
1571 if (!strcmp(items
, "none")) {
1574 mask
= qemu_str_to_log_mask(items
);
1576 help_cmd(mon
, "log");
1583 static void hmp_singlestep(Monitor
*mon
, const QDict
*qdict
)
1585 const char *option
= qdict_get_try_str(qdict
, "option");
1586 if (!option
|| !strcmp(option
, "on")) {
1588 } else if (!strcmp(option
, "off")) {
1591 monitor_printf(mon
, "unexpected option %s\n", option
);
1595 static void hmp_gdbserver(Monitor
*mon
, const QDict
*qdict
)
1597 const char *device
= qdict_get_try_str(qdict
, "device");
1599 device
= "tcp::" DEFAULT_GDBSTUB_PORT
;
1600 if (gdbserver_start(device
) < 0) {
1601 monitor_printf(mon
, "Could not open gdbserver on device '%s'\n",
1603 } else if (strcmp(device
, "none") == 0) {
1604 monitor_printf(mon
, "Disabled gdbserver\n");
1606 monitor_printf(mon
, "Waiting for gdb connection on device '%s'\n",
1611 static void hmp_watchdog_action(Monitor
*mon
, const QDict
*qdict
)
1613 const char *action
= qdict_get_str(qdict
, "action");
1614 if (select_watchdog_action(action
) == -1) {
1615 monitor_printf(mon
, "Unknown watchdog action '%s'\n", action
);
1619 static void monitor_printc(Monitor
*mon
, int c
)
1621 monitor_printf(mon
, "'");
1624 monitor_printf(mon
, "\\'");
1627 monitor_printf(mon
, "\\\\");
1630 monitor_printf(mon
, "\\n");
1633 monitor_printf(mon
, "\\r");
1636 if (c
>= 32 && c
<= 126) {
1637 monitor_printf(mon
, "%c", c
);
1639 monitor_printf(mon
, "\\x%02x", c
);
1643 monitor_printf(mon
, "'");
1646 static void memory_dump(Monitor
*mon
, int count
, int format
, int wsize
,
1647 hwaddr addr
, int is_physical
)
1649 int l
, line_size
, i
, max_digits
, len
;
1652 CPUState
*cs
= mon_get_cpu();
1654 if (!cs
&& (format
== 'i' || !is_physical
)) {
1655 monitor_printf(mon
, "Can not dump without CPU\n");
1659 if (format
== 'i') {
1660 monitor_disas(mon
, cs
, addr
, count
, is_physical
);
1664 len
= wsize
* count
;
1673 max_digits
= DIV_ROUND_UP(wsize
* 8, 3);
1677 max_digits
= (wsize
* 8) / 4;
1681 max_digits
= DIV_ROUND_UP(wsize
* 8 * 10, 33);
1690 monitor_printf(mon
, TARGET_FMT_plx
":", addr
);
1692 monitor_printf(mon
, TARGET_FMT_lx
":", (target_ulong
)addr
);
1697 cpu_physical_memory_read(addr
, buf
, l
);
1699 if (cpu_memory_rw_debug(cs
, addr
, buf
, l
, 0) < 0) {
1700 monitor_printf(mon
, " Cannot access memory\n");
1709 v
= ldub_p(buf
+ i
);
1712 v
= lduw_p(buf
+ i
);
1715 v
= (uint32_t)ldl_p(buf
+ i
);
1721 monitor_printf(mon
, " ");
1724 monitor_printf(mon
, "%#*" PRIo64
, max_digits
, v
);
1727 monitor_printf(mon
, "0x%0*" PRIx64
, max_digits
, v
);
1730 monitor_printf(mon
, "%*" PRIu64
, max_digits
, v
);
1733 monitor_printf(mon
, "%*" PRId64
, max_digits
, v
);
1736 monitor_printc(mon
, v
);
1741 monitor_printf(mon
, "\n");
1747 static void hmp_memory_dump(Monitor
*mon
, const QDict
*qdict
)
1749 int count
= qdict_get_int(qdict
, "count");
1750 int format
= qdict_get_int(qdict
, "format");
1751 int size
= qdict_get_int(qdict
, "size");
1752 target_long addr
= qdict_get_int(qdict
, "addr");
1754 memory_dump(mon
, count
, format
, size
, addr
, 0);
1757 static void hmp_physical_memory_dump(Monitor
*mon
, const QDict
*qdict
)
1759 int count
= qdict_get_int(qdict
, "count");
1760 int format
= qdict_get_int(qdict
, "format");
1761 int size
= qdict_get_int(qdict
, "size");
1762 hwaddr addr
= qdict_get_int(qdict
, "addr");
1764 memory_dump(mon
, count
, format
, size
, addr
, 1);
1767 static void *gpa2hva(MemoryRegion
**p_mr
, hwaddr addr
, Error
**errp
)
1769 MemoryRegionSection mrs
= memory_region_find(get_system_memory(),
1773 error_setg(errp
, "No memory is mapped at address 0x%" HWADDR_PRIx
, addr
);
1777 if (!memory_region_is_ram(mrs
.mr
) && !memory_region_is_romd(mrs
.mr
)) {
1778 error_setg(errp
, "Memory at address 0x%" HWADDR_PRIx
"is not RAM", addr
);
1779 memory_region_unref(mrs
.mr
);
1784 return qemu_map_ram_ptr(mrs
.mr
->ram_block
, mrs
.offset_within_region
);
1787 static void hmp_gpa2hva(Monitor
*mon
, const QDict
*qdict
)
1789 hwaddr addr
= qdict_get_int(qdict
, "addr");
1790 Error
*local_err
= NULL
;
1791 MemoryRegion
*mr
= NULL
;
1794 ptr
= gpa2hva(&mr
, addr
, &local_err
);
1796 error_report_err(local_err
);
1800 monitor_printf(mon
, "Host virtual address for 0x%" HWADDR_PRIx
1802 addr
, mr
->name
, ptr
);
1804 memory_region_unref(mr
);
1808 static uint64_t vtop(void *ptr
, Error
**errp
)
1812 uintptr_t addr
= (uintptr_t) ptr
;
1813 uintptr_t pagesize
= getpagesize();
1814 off_t offset
= addr
/ pagesize
* sizeof(pinfo
);
1817 fd
= open("/proc/self/pagemap", O_RDONLY
);
1819 error_setg_errno(errp
, errno
, "Cannot open /proc/self/pagemap");
1823 /* Force copy-on-write if necessary. */
1824 atomic_add((uint8_t *)ptr
, 0);
1826 if (pread(fd
, &pinfo
, sizeof(pinfo
), offset
) != sizeof(pinfo
)) {
1827 error_setg_errno(errp
, errno
, "Cannot read pagemap");
1830 if ((pinfo
& (1ull << 63)) == 0) {
1831 error_setg(errp
, "Page not present");
1834 ret
= ((pinfo
& 0x007fffffffffffffull
) * pagesize
) | (addr
& (pagesize
- 1));
1841 static void hmp_gpa2hpa(Monitor
*mon
, const QDict
*qdict
)
1843 hwaddr addr
= qdict_get_int(qdict
, "addr");
1844 Error
*local_err
= NULL
;
1845 MemoryRegion
*mr
= NULL
;
1849 ptr
= gpa2hva(&mr
, addr
, &local_err
);
1851 error_report_err(local_err
);
1855 physaddr
= vtop(ptr
, &local_err
);
1857 error_report_err(local_err
);
1859 monitor_printf(mon
, "Host physical address for 0x%" HWADDR_PRIx
1860 " (%s) is 0x%" PRIx64
"\n",
1861 addr
, mr
->name
, (uint64_t) physaddr
);
1864 memory_region_unref(mr
);
1868 static void do_print(Monitor
*mon
, const QDict
*qdict
)
1870 int format
= qdict_get_int(qdict
, "format");
1871 hwaddr val
= qdict_get_int(qdict
, "val");
1875 monitor_printf(mon
, "%#" HWADDR_PRIo
, val
);
1878 monitor_printf(mon
, "%#" HWADDR_PRIx
, val
);
1881 monitor_printf(mon
, "%" HWADDR_PRIu
, val
);
1885 monitor_printf(mon
, "%" HWADDR_PRId
, val
);
1888 monitor_printc(mon
, val
);
1891 monitor_printf(mon
, "\n");
1894 static void hmp_sum(Monitor
*mon
, const QDict
*qdict
)
1898 uint32_t start
= qdict_get_int(qdict
, "start");
1899 uint32_t size
= qdict_get_int(qdict
, "size");
1902 for(addr
= start
; addr
< (start
+ size
); addr
++) {
1903 uint8_t val
= address_space_ldub(&address_space_memory
, addr
,
1904 MEMTXATTRS_UNSPECIFIED
, NULL
);
1905 /* BSD sum algorithm ('sum' Unix command) */
1906 sum
= (sum
>> 1) | (sum
<< 15);
1909 monitor_printf(mon
, "%05d\n", sum
);
1912 static int mouse_button_state
;
1914 static void hmp_mouse_move(Monitor
*mon
, const QDict
*qdict
)
1916 int dx
, dy
, dz
, button
;
1917 const char *dx_str
= qdict_get_str(qdict
, "dx_str");
1918 const char *dy_str
= qdict_get_str(qdict
, "dy_str");
1919 const char *dz_str
= qdict_get_try_str(qdict
, "dz_str");
1921 dx
= strtol(dx_str
, NULL
, 0);
1922 dy
= strtol(dy_str
, NULL
, 0);
1923 qemu_input_queue_rel(NULL
, INPUT_AXIS_X
, dx
);
1924 qemu_input_queue_rel(NULL
, INPUT_AXIS_Y
, dy
);
1927 dz
= strtol(dz_str
, NULL
, 0);
1929 button
= (dz
> 0) ? INPUT_BUTTON_WHEEL_UP
: INPUT_BUTTON_WHEEL_DOWN
;
1930 qemu_input_queue_btn(NULL
, button
, true);
1931 qemu_input_event_sync();
1932 qemu_input_queue_btn(NULL
, button
, false);
1935 qemu_input_event_sync();
1938 static void hmp_mouse_button(Monitor
*mon
, const QDict
*qdict
)
1940 static uint32_t bmap
[INPUT_BUTTON__MAX
] = {
1941 [INPUT_BUTTON_LEFT
] = MOUSE_EVENT_LBUTTON
,
1942 [INPUT_BUTTON_MIDDLE
] = MOUSE_EVENT_MBUTTON
,
1943 [INPUT_BUTTON_RIGHT
] = MOUSE_EVENT_RBUTTON
,
1945 int button_state
= qdict_get_int(qdict
, "button_state");
1947 if (mouse_button_state
== button_state
) {
1950 qemu_input_update_buttons(NULL
, bmap
, mouse_button_state
, button_state
);
1951 qemu_input_event_sync();
1952 mouse_button_state
= button_state
;
1955 static void hmp_ioport_read(Monitor
*mon
, const QDict
*qdict
)
1957 int size
= qdict_get_int(qdict
, "size");
1958 int addr
= qdict_get_int(qdict
, "addr");
1959 int has_index
= qdict_haskey(qdict
, "index");
1964 int index
= qdict_get_int(qdict
, "index");
1965 cpu_outb(addr
& IOPORTS_MASK
, index
& 0xff);
1973 val
= cpu_inb(addr
);
1977 val
= cpu_inw(addr
);
1981 val
= cpu_inl(addr
);
1985 monitor_printf(mon
, "port%c[0x%04x] = %#0*x\n",
1986 suffix
, addr
, size
* 2, val
);
1989 static void hmp_ioport_write(Monitor
*mon
, const QDict
*qdict
)
1991 int size
= qdict_get_int(qdict
, "size");
1992 int addr
= qdict_get_int(qdict
, "addr");
1993 int val
= qdict_get_int(qdict
, "val");
1995 addr
&= IOPORTS_MASK
;
2000 cpu_outb(addr
, val
);
2003 cpu_outw(addr
, val
);
2006 cpu_outl(addr
, val
);
2011 static void hmp_boot_set(Monitor
*mon
, const QDict
*qdict
)
2013 Error
*local_err
= NULL
;
2014 const char *bootdevice
= qdict_get_str(qdict
, "bootdevice");
2016 qemu_boot_set(bootdevice
, &local_err
);
2018 error_report_err(local_err
);
2020 monitor_printf(mon
, "boot device list now set to %s\n", bootdevice
);
2024 static void hmp_info_mtree(Monitor
*mon
, const QDict
*qdict
)
2026 bool flatview
= qdict_get_try_bool(qdict
, "flatview", false);
2027 bool dispatch_tree
= qdict_get_try_bool(qdict
, "dispatch_tree", false);
2028 bool owner
= qdict_get_try_bool(qdict
, "owner", false);
2030 mtree_info((fprintf_function
)monitor_printf
, mon
, flatview
, dispatch_tree
,
2034 static void hmp_info_numa(Monitor
*mon
, const QDict
*qdict
)
2037 NumaNodeMem
*node_mem
;
2038 CpuInfoList
*cpu_list
, *cpu
;
2040 cpu_list
= qmp_query_cpus(&error_abort
);
2041 node_mem
= g_new0(NumaNodeMem
, nb_numa_nodes
);
2043 query_numa_node_mem(node_mem
);
2044 monitor_printf(mon
, "%d nodes\n", nb_numa_nodes
);
2045 for (i
= 0; i
< nb_numa_nodes
; i
++) {
2046 monitor_printf(mon
, "node %d cpus:", i
);
2047 for (cpu
= cpu_list
; cpu
; cpu
= cpu
->next
) {
2048 if (cpu
->value
->has_props
&& cpu
->value
->props
->has_node_id
&&
2049 cpu
->value
->props
->node_id
== i
) {
2050 monitor_printf(mon
, " %" PRIi64
, cpu
->value
->CPU
);
2053 monitor_printf(mon
, "\n");
2054 monitor_printf(mon
, "node %d size: %" PRId64
" MB\n", i
,
2055 node_mem
[i
].node_mem
>> 20);
2056 monitor_printf(mon
, "node %d plugged: %" PRId64
" MB\n", i
,
2057 node_mem
[i
].node_plugged_mem
>> 20);
2059 qapi_free_CpuInfoList(cpu_list
);
2063 #ifdef CONFIG_PROFILER
2068 static void hmp_info_profile(Monitor
*mon
, const QDict
*qdict
)
2070 monitor_printf(mon
, "async time %" PRId64
" (%0.3f)\n",
2071 dev_time
, dev_time
/ (double)NANOSECONDS_PER_SECOND
);
2072 monitor_printf(mon
, "qemu time %" PRId64
" (%0.3f)\n",
2073 tcg_time
, tcg_time
/ (double)NANOSECONDS_PER_SECOND
);
2078 static void hmp_info_profile(Monitor
*mon
, const QDict
*qdict
)
2080 monitor_printf(mon
, "Internal profiler not compiled\n");
2084 /* Capture support */
2085 static QLIST_HEAD (capture_list_head
, CaptureState
) capture_head
;
2087 static void hmp_info_capture(Monitor
*mon
, const QDict
*qdict
)
2092 for (s
= capture_head
.lh_first
, i
= 0; s
; s
= s
->entries
.le_next
, ++i
) {
2093 monitor_printf(mon
, "[%d]: ", i
);
2094 s
->ops
.info (s
->opaque
);
2098 static void hmp_stopcapture(Monitor
*mon
, const QDict
*qdict
)
2101 int n
= qdict_get_int(qdict
, "n");
2104 for (s
= capture_head
.lh_first
, i
= 0; s
; s
= s
->entries
.le_next
, ++i
) {
2106 s
->ops
.destroy (s
->opaque
);
2107 QLIST_REMOVE (s
, entries
);
2114 static void hmp_wavcapture(Monitor
*mon
, const QDict
*qdict
)
2116 const char *path
= qdict_get_str(qdict
, "path");
2117 int has_freq
= qdict_haskey(qdict
, "freq");
2118 int freq
= qdict_get_try_int(qdict
, "freq", -1);
2119 int has_bits
= qdict_haskey(qdict
, "bits");
2120 int bits
= qdict_get_try_int(qdict
, "bits", -1);
2121 int has_channels
= qdict_haskey(qdict
, "nchannels");
2122 int nchannels
= qdict_get_try_int(qdict
, "nchannels", -1);
2125 s
= g_malloc0 (sizeof (*s
));
2127 freq
= has_freq
? freq
: 44100;
2128 bits
= has_bits
? bits
: 16;
2129 nchannels
= has_channels
? nchannels
: 2;
2131 if (wav_start_capture (s
, path
, freq
, bits
, nchannels
)) {
2132 monitor_printf(mon
, "Failed to add wave capture\n");
2136 QLIST_INSERT_HEAD (&capture_head
, s
, entries
);
2139 static qemu_acl
*find_acl(Monitor
*mon
, const char *name
)
2141 qemu_acl
*acl
= qemu_acl_find(name
);
2144 monitor_printf(mon
, "acl: unknown list '%s'\n", name
);
2149 static void hmp_acl_show(Monitor
*mon
, const QDict
*qdict
)
2151 const char *aclname
= qdict_get_str(qdict
, "aclname");
2152 qemu_acl
*acl
= find_acl(mon
, aclname
);
2153 qemu_acl_entry
*entry
;
2157 monitor_printf(mon
, "policy: %s\n",
2158 acl
->defaultDeny
? "deny" : "allow");
2159 QTAILQ_FOREACH(entry
, &acl
->entries
, next
) {
2161 monitor_printf(mon
, "%d: %s %s\n", i
,
2162 entry
->deny
? "deny" : "allow", entry
->match
);
2167 static void hmp_acl_reset(Monitor
*mon
, const QDict
*qdict
)
2169 const char *aclname
= qdict_get_str(qdict
, "aclname");
2170 qemu_acl
*acl
= find_acl(mon
, aclname
);
2173 qemu_acl_reset(acl
);
2174 monitor_printf(mon
, "acl: removed all rules\n");
2178 static void hmp_acl_policy(Monitor
*mon
, const QDict
*qdict
)
2180 const char *aclname
= qdict_get_str(qdict
, "aclname");
2181 const char *policy
= qdict_get_str(qdict
, "policy");
2182 qemu_acl
*acl
= find_acl(mon
, aclname
);
2185 if (strcmp(policy
, "allow") == 0) {
2186 acl
->defaultDeny
= 0;
2187 monitor_printf(mon
, "acl: policy set to 'allow'\n");
2188 } else if (strcmp(policy
, "deny") == 0) {
2189 acl
->defaultDeny
= 1;
2190 monitor_printf(mon
, "acl: policy set to 'deny'\n");
2192 monitor_printf(mon
, "acl: unknown policy '%s', "
2193 "expected 'deny' or 'allow'\n", policy
);
2198 static void hmp_acl_add(Monitor
*mon
, const QDict
*qdict
)
2200 const char *aclname
= qdict_get_str(qdict
, "aclname");
2201 const char *match
= qdict_get_str(qdict
, "match");
2202 const char *policy
= qdict_get_str(qdict
, "policy");
2203 int has_index
= qdict_haskey(qdict
, "index");
2204 int index
= qdict_get_try_int(qdict
, "index", -1);
2205 qemu_acl
*acl
= find_acl(mon
, aclname
);
2209 if (strcmp(policy
, "allow") == 0) {
2211 } else if (strcmp(policy
, "deny") == 0) {
2214 monitor_printf(mon
, "acl: unknown policy '%s', "
2215 "expected 'deny' or 'allow'\n", policy
);
2219 ret
= qemu_acl_insert(acl
, deny
, match
, index
);
2221 ret
= qemu_acl_append(acl
, deny
, match
);
2223 monitor_printf(mon
, "acl: unable to add acl entry\n");
2225 monitor_printf(mon
, "acl: added rule at position %d\n", ret
);
2229 static void hmp_acl_remove(Monitor
*mon
, const QDict
*qdict
)
2231 const char *aclname
= qdict_get_str(qdict
, "aclname");
2232 const char *match
= qdict_get_str(qdict
, "match");
2233 qemu_acl
*acl
= find_acl(mon
, aclname
);
2237 ret
= qemu_acl_remove(acl
, match
);
2239 monitor_printf(mon
, "acl: no matching acl entry\n");
2241 monitor_printf(mon
, "acl: removed rule at position %d\n", ret
);
2245 void qmp_getfd(const char *fdname
, Error
**errp
)
2250 fd
= qemu_chr_fe_get_msgfd(&cur_mon
->chr
);
2252 error_setg(errp
, QERR_FD_NOT_SUPPLIED
);
2256 if (qemu_isdigit(fdname
[0])) {
2258 error_setg(errp
, QERR_INVALID_PARAMETER_VALUE
, "fdname",
2259 "a name not starting with a digit");
2263 qemu_mutex_lock(&cur_mon
->mon_lock
);
2264 QLIST_FOREACH(monfd
, &cur_mon
->fds
, next
) {
2265 if (strcmp(monfd
->name
, fdname
) != 0) {
2271 qemu_mutex_unlock(&cur_mon
->mon_lock
);
2272 /* Make sure close() is outside critical section */
2277 monfd
= g_malloc0(sizeof(mon_fd_t
));
2278 monfd
->name
= g_strdup(fdname
);
2281 QLIST_INSERT_HEAD(&cur_mon
->fds
, monfd
, next
);
2282 qemu_mutex_unlock(&cur_mon
->mon_lock
);
2285 void qmp_closefd(const char *fdname
, Error
**errp
)
2290 qemu_mutex_lock(&cur_mon
->mon_lock
);
2291 QLIST_FOREACH(monfd
, &cur_mon
->fds
, next
) {
2292 if (strcmp(monfd
->name
, fdname
) != 0) {
2296 QLIST_REMOVE(monfd
, next
);
2298 g_free(monfd
->name
);
2300 qemu_mutex_unlock(&cur_mon
->mon_lock
);
2301 /* Make sure close() is outside critical section */
2306 qemu_mutex_unlock(&cur_mon
->mon_lock
);
2307 error_setg(errp
, QERR_FD_NOT_FOUND
, fdname
);
2310 int monitor_get_fd(Monitor
*mon
, const char *fdname
, Error
**errp
)
2314 qemu_mutex_lock(&mon
->mon_lock
);
2315 QLIST_FOREACH(monfd
, &mon
->fds
, next
) {
2318 if (strcmp(monfd
->name
, fdname
) != 0) {
2324 /* caller takes ownership of fd */
2325 QLIST_REMOVE(monfd
, next
);
2326 g_free(monfd
->name
);
2328 qemu_mutex_unlock(&mon
->mon_lock
);
2333 qemu_mutex_unlock(&mon
->mon_lock
);
2334 error_setg(errp
, "File descriptor named '%s' has not been found", fdname
);
2338 static void monitor_fdset_cleanup(MonFdset
*mon_fdset
)
2340 MonFdsetFd
*mon_fdset_fd
;
2341 MonFdsetFd
*mon_fdset_fd_next
;
2343 QLIST_FOREACH_SAFE(mon_fdset_fd
, &mon_fdset
->fds
, next
, mon_fdset_fd_next
) {
2344 if ((mon_fdset_fd
->removed
||
2345 (QLIST_EMPTY(&mon_fdset
->dup_fds
) && mon_refcount
== 0)) &&
2346 runstate_is_running()) {
2347 close(mon_fdset_fd
->fd
);
2348 g_free(mon_fdset_fd
->opaque
);
2349 QLIST_REMOVE(mon_fdset_fd
, next
);
2350 g_free(mon_fdset_fd
);
2354 if (QLIST_EMPTY(&mon_fdset
->fds
) && QLIST_EMPTY(&mon_fdset
->dup_fds
)) {
2355 QLIST_REMOVE(mon_fdset
, next
);
2360 static void monitor_fdsets_cleanup(void)
2362 MonFdset
*mon_fdset
;
2363 MonFdset
*mon_fdset_next
;
2365 qemu_mutex_lock(&mon_fdsets_lock
);
2366 QLIST_FOREACH_SAFE(mon_fdset
, &mon_fdsets
, next
, mon_fdset_next
) {
2367 monitor_fdset_cleanup(mon_fdset
);
2369 qemu_mutex_unlock(&mon_fdsets_lock
);
2372 AddfdInfo
*qmp_add_fd(bool has_fdset_id
, int64_t fdset_id
, bool has_opaque
,
2373 const char *opaque
, Error
**errp
)
2376 Monitor
*mon
= cur_mon
;
2379 fd
= qemu_chr_fe_get_msgfd(&mon
->chr
);
2381 error_setg(errp
, QERR_FD_NOT_SUPPLIED
);
2385 fdinfo
= monitor_fdset_add_fd(fd
, has_fdset_id
, fdset_id
,
2386 has_opaque
, opaque
, errp
);
2398 void qmp_remove_fd(int64_t fdset_id
, bool has_fd
, int64_t fd
, Error
**errp
)
2400 MonFdset
*mon_fdset
;
2401 MonFdsetFd
*mon_fdset_fd
;
2404 qemu_mutex_lock(&mon_fdsets_lock
);
2405 QLIST_FOREACH(mon_fdset
, &mon_fdsets
, next
) {
2406 if (mon_fdset
->id
!= fdset_id
) {
2409 QLIST_FOREACH(mon_fdset_fd
, &mon_fdset
->fds
, next
) {
2411 if (mon_fdset_fd
->fd
!= fd
) {
2414 mon_fdset_fd
->removed
= true;
2417 mon_fdset_fd
->removed
= true;
2420 if (has_fd
&& !mon_fdset_fd
) {
2423 monitor_fdset_cleanup(mon_fdset
);
2424 qemu_mutex_unlock(&mon_fdsets_lock
);
2429 qemu_mutex_unlock(&mon_fdsets_lock
);
2431 snprintf(fd_str
, sizeof(fd_str
), "fdset-id:%" PRId64
", fd:%" PRId64
,
2434 snprintf(fd_str
, sizeof(fd_str
), "fdset-id:%" PRId64
, fdset_id
);
2436 error_setg(errp
, QERR_FD_NOT_FOUND
, fd_str
);
2439 FdsetInfoList
*qmp_query_fdsets(Error
**errp
)
2441 MonFdset
*mon_fdset
;
2442 MonFdsetFd
*mon_fdset_fd
;
2443 FdsetInfoList
*fdset_list
= NULL
;
2445 qemu_mutex_lock(&mon_fdsets_lock
);
2446 QLIST_FOREACH(mon_fdset
, &mon_fdsets
, next
) {
2447 FdsetInfoList
*fdset_info
= g_malloc0(sizeof(*fdset_info
));
2448 FdsetFdInfoList
*fdsetfd_list
= NULL
;
2450 fdset_info
->value
= g_malloc0(sizeof(*fdset_info
->value
));
2451 fdset_info
->value
->fdset_id
= mon_fdset
->id
;
2453 QLIST_FOREACH(mon_fdset_fd
, &mon_fdset
->fds
, next
) {
2454 FdsetFdInfoList
*fdsetfd_info
;
2456 fdsetfd_info
= g_malloc0(sizeof(*fdsetfd_info
));
2457 fdsetfd_info
->value
= g_malloc0(sizeof(*fdsetfd_info
->value
));
2458 fdsetfd_info
->value
->fd
= mon_fdset_fd
->fd
;
2459 if (mon_fdset_fd
->opaque
) {
2460 fdsetfd_info
->value
->has_opaque
= true;
2461 fdsetfd_info
->value
->opaque
= g_strdup(mon_fdset_fd
->opaque
);
2463 fdsetfd_info
->value
->has_opaque
= false;
2466 fdsetfd_info
->next
= fdsetfd_list
;
2467 fdsetfd_list
= fdsetfd_info
;
2470 fdset_info
->value
->fds
= fdsetfd_list
;
2472 fdset_info
->next
= fdset_list
;
2473 fdset_list
= fdset_info
;
2475 qemu_mutex_unlock(&mon_fdsets_lock
);
2480 AddfdInfo
*monitor_fdset_add_fd(int fd
, bool has_fdset_id
, int64_t fdset_id
,
2481 bool has_opaque
, const char *opaque
,
2484 MonFdset
*mon_fdset
= NULL
;
2485 MonFdsetFd
*mon_fdset_fd
;
2488 qemu_mutex_lock(&mon_fdsets_lock
);
2490 QLIST_FOREACH(mon_fdset
, &mon_fdsets
, next
) {
2491 /* Break if match found or match impossible due to ordering by ID */
2492 if (fdset_id
<= mon_fdset
->id
) {
2493 if (fdset_id
< mon_fdset
->id
) {
2501 if (mon_fdset
== NULL
) {
2502 int64_t fdset_id_prev
= -1;
2503 MonFdset
*mon_fdset_cur
= QLIST_FIRST(&mon_fdsets
);
2507 error_setg(errp
, QERR_INVALID_PARAMETER_VALUE
, "fdset-id",
2508 "a non-negative value");
2509 qemu_mutex_unlock(&mon_fdsets_lock
);
2512 /* Use specified fdset ID */
2513 QLIST_FOREACH(mon_fdset
, &mon_fdsets
, next
) {
2514 mon_fdset_cur
= mon_fdset
;
2515 if (fdset_id
< mon_fdset_cur
->id
) {
2520 /* Use first available fdset ID */
2521 QLIST_FOREACH(mon_fdset
, &mon_fdsets
, next
) {
2522 mon_fdset_cur
= mon_fdset
;
2523 if (fdset_id_prev
== mon_fdset_cur
->id
- 1) {
2524 fdset_id_prev
= mon_fdset_cur
->id
;
2531 mon_fdset
= g_malloc0(sizeof(*mon_fdset
));
2533 mon_fdset
->id
= fdset_id
;
2535 mon_fdset
->id
= fdset_id_prev
+ 1;
2538 /* The fdset list is ordered by fdset ID */
2539 if (!mon_fdset_cur
) {
2540 QLIST_INSERT_HEAD(&mon_fdsets
, mon_fdset
, next
);
2541 } else if (mon_fdset
->id
< mon_fdset_cur
->id
) {
2542 QLIST_INSERT_BEFORE(mon_fdset_cur
, mon_fdset
, next
);
2544 QLIST_INSERT_AFTER(mon_fdset_cur
, mon_fdset
, next
);
2548 mon_fdset_fd
= g_malloc0(sizeof(*mon_fdset_fd
));
2549 mon_fdset_fd
->fd
= fd
;
2550 mon_fdset_fd
->removed
= false;
2552 mon_fdset_fd
->opaque
= g_strdup(opaque
);
2554 QLIST_INSERT_HEAD(&mon_fdset
->fds
, mon_fdset_fd
, next
);
2556 fdinfo
= g_malloc0(sizeof(*fdinfo
));
2557 fdinfo
->fdset_id
= mon_fdset
->id
;
2558 fdinfo
->fd
= mon_fdset_fd
->fd
;
2560 qemu_mutex_unlock(&mon_fdsets_lock
);
2564 int monitor_fdset_get_fd(int64_t fdset_id
, int flags
)
2569 MonFdset
*mon_fdset
;
2570 MonFdsetFd
*mon_fdset_fd
;
2574 qemu_mutex_lock(&mon_fdsets_lock
);
2575 QLIST_FOREACH(mon_fdset
, &mon_fdsets
, next
) {
2576 if (mon_fdset
->id
!= fdset_id
) {
2579 QLIST_FOREACH(mon_fdset_fd
, &mon_fdset
->fds
, next
) {
2580 mon_fd_flags
= fcntl(mon_fdset_fd
->fd
, F_GETFL
);
2581 if (mon_fd_flags
== -1) {
2586 if ((flags
& O_ACCMODE
) == (mon_fd_flags
& O_ACCMODE
)) {
2587 ret
= mon_fdset_fd
->fd
;
2597 qemu_mutex_unlock(&mon_fdsets_lock
);
2602 int monitor_fdset_dup_fd_add(int64_t fdset_id
, int dup_fd
)
2604 MonFdset
*mon_fdset
;
2605 MonFdsetFd
*mon_fdset_fd_dup
;
2607 qemu_mutex_lock(&mon_fdsets_lock
);
2608 QLIST_FOREACH(mon_fdset
, &mon_fdsets
, next
) {
2609 if (mon_fdset
->id
!= fdset_id
) {
2612 QLIST_FOREACH(mon_fdset_fd_dup
, &mon_fdset
->dup_fds
, next
) {
2613 if (mon_fdset_fd_dup
->fd
== dup_fd
) {
2617 mon_fdset_fd_dup
= g_malloc0(sizeof(*mon_fdset_fd_dup
));
2618 mon_fdset_fd_dup
->fd
= dup_fd
;
2619 QLIST_INSERT_HEAD(&mon_fdset
->dup_fds
, mon_fdset_fd_dup
, next
);
2620 qemu_mutex_unlock(&mon_fdsets_lock
);
2625 qemu_mutex_unlock(&mon_fdsets_lock
);
2629 static int monitor_fdset_dup_fd_find_remove(int dup_fd
, bool remove
)
2631 MonFdset
*mon_fdset
;
2632 MonFdsetFd
*mon_fdset_fd_dup
;
2634 qemu_mutex_lock(&mon_fdsets_lock
);
2635 QLIST_FOREACH(mon_fdset
, &mon_fdsets
, next
) {
2636 QLIST_FOREACH(mon_fdset_fd_dup
, &mon_fdset
->dup_fds
, next
) {
2637 if (mon_fdset_fd_dup
->fd
== dup_fd
) {
2639 QLIST_REMOVE(mon_fdset_fd_dup
, next
);
2640 if (QLIST_EMPTY(&mon_fdset
->dup_fds
)) {
2641 monitor_fdset_cleanup(mon_fdset
);
2645 qemu_mutex_unlock(&mon_fdsets_lock
);
2646 return mon_fdset
->id
;
2653 qemu_mutex_unlock(&mon_fdsets_lock
);
2657 int monitor_fdset_dup_fd_find(int dup_fd
)
2659 return monitor_fdset_dup_fd_find_remove(dup_fd
, false);
2662 void monitor_fdset_dup_fd_remove(int dup_fd
)
2664 monitor_fdset_dup_fd_find_remove(dup_fd
, true);
2667 int monitor_fd_param(Monitor
*mon
, const char *fdname
, Error
**errp
)
2670 Error
*local_err
= NULL
;
2672 if (!qemu_isdigit(fdname
[0]) && mon
) {
2673 fd
= monitor_get_fd(mon
, fdname
, &local_err
);
2675 fd
= qemu_parse_fd(fdname
);
2677 error_setg(&local_err
, "Invalid file descriptor number '%s'",
2682 error_propagate(errp
, local_err
);
2691 /* Please update hmp-commands.hx when adding or changing commands */
2692 static mon_cmd_t info_cmds
[] = {
2693 #include "hmp-commands-info.h"
2697 /* mon_cmds and info_cmds would be sorted at runtime */
2698 static mon_cmd_t mon_cmds
[] = {
2699 #include "hmp-commands.h"
2703 /*******************************************************************/
2705 static const char *pch
;
2706 static sigjmp_buf expr_env
;
2709 static void GCC_FMT_ATTR(2, 3) QEMU_NORETURN
2710 expr_error(Monitor
*mon
, const char *fmt
, ...)
2714 monitor_vprintf(mon
, fmt
, ap
);
2715 monitor_printf(mon
, "\n");
2717 siglongjmp(expr_env
, 1);
2720 /* return 0 if OK, -1 if not found */
2721 static int get_monitor_def(target_long
*pval
, const char *name
)
2723 const MonitorDef
*md
= target_monitor_defs();
2724 CPUState
*cs
= mon_get_cpu();
2729 if (cs
== NULL
|| md
== NULL
) {
2733 for(; md
->name
!= NULL
; md
++) {
2734 if (compare_cmd(name
, md
->name
)) {
2735 if (md
->get_value
) {
2736 *pval
= md
->get_value(md
, md
->offset
);
2738 CPUArchState
*env
= mon_get_cpu_env();
2739 ptr
= (uint8_t *)env
+ md
->offset
;
2742 *pval
= *(int32_t *)ptr
;
2745 *pval
= *(target_long
*)ptr
;
2756 ret
= target_get_monitor_def(cs
, name
, &tmp
);
2758 *pval
= (target_long
) tmp
;
2764 static void next(void)
2768 while (qemu_isspace(*pch
))
2773 static int64_t expr_sum(Monitor
*mon
);
2775 static int64_t expr_unary(Monitor
*mon
)
2784 n
= expr_unary(mon
);
2788 n
= -expr_unary(mon
);
2792 n
= ~expr_unary(mon
);
2798 expr_error(mon
, "')' expected");
2805 expr_error(mon
, "character constant expected");
2809 expr_error(mon
, "missing terminating \' character");
2819 while ((*pch
>= 'a' && *pch
<= 'z') ||
2820 (*pch
>= 'A' && *pch
<= 'Z') ||
2821 (*pch
>= '0' && *pch
<= '9') ||
2822 *pch
== '_' || *pch
== '.') {
2823 if ((q
- buf
) < sizeof(buf
) - 1)
2827 while (qemu_isspace(*pch
))
2830 ret
= get_monitor_def(®
, buf
);
2832 expr_error(mon
, "unknown register");
2837 expr_error(mon
, "unexpected end of expression");
2842 n
= strtoull(pch
, &p
, 0);
2843 if (errno
== ERANGE
) {
2844 expr_error(mon
, "number too large");
2847 expr_error(mon
, "invalid char '%c' in expression", *p
);
2850 while (qemu_isspace(*pch
))
2858 static int64_t expr_prod(Monitor
*mon
)
2863 val
= expr_unary(mon
);
2866 if (op
!= '*' && op
!= '/' && op
!= '%')
2869 val2
= expr_unary(mon
);
2878 expr_error(mon
, "division by zero");
2889 static int64_t expr_logic(Monitor
*mon
)
2894 val
= expr_prod(mon
);
2897 if (op
!= '&' && op
!= '|' && op
!= '^')
2900 val2
= expr_prod(mon
);
2917 static int64_t expr_sum(Monitor
*mon
)
2922 val
= expr_logic(mon
);
2925 if (op
!= '+' && op
!= '-')
2928 val2
= expr_logic(mon
);
2937 static int get_expr(Monitor
*mon
, int64_t *pval
, const char **pp
)
2940 if (sigsetjmp(expr_env
, 0)) {
2944 while (qemu_isspace(*pch
))
2946 *pval
= expr_sum(mon
);
2951 static int get_double(Monitor
*mon
, double *pval
, const char **pp
)
2953 const char *p
= *pp
;
2957 d
= strtod(p
, &tailp
);
2959 monitor_printf(mon
, "Number expected\n");
2962 if (d
!= d
|| d
- d
!= 0) {
2963 /* NaN or infinity */
2964 monitor_printf(mon
, "Bad number\n");
2973 * Store the command-name in cmdname, and return a pointer to
2974 * the remaining of the command string.
2976 static const char *get_command_name(const char *cmdline
,
2977 char *cmdname
, size_t nlen
)
2980 const char *p
, *pstart
;
2983 while (qemu_isspace(*p
))
2988 while (*p
!= '\0' && *p
!= '/' && !qemu_isspace(*p
))
2993 memcpy(cmdname
, pstart
, len
);
2994 cmdname
[len
] = '\0';
2999 * Read key of 'type' into 'key' and return the current
3002 static char *key_get_info(const char *type
, char **key
)
3010 p
= strchr(type
, ':');
3017 str
= g_malloc(len
+ 1);
3018 memcpy(str
, type
, len
);
3025 static int default_fmt_format
= 'x';
3026 static int default_fmt_size
= 4;
3028 static int is_valid_option(const char *c
, const char *typestr
)
3036 typestr
= strstr(typestr
, option
);
3037 return (typestr
!= NULL
);
3040 static const mon_cmd_t
*search_dispatch_table(const mon_cmd_t
*disp_table
,
3041 const char *cmdname
)
3043 const mon_cmd_t
*cmd
;
3045 for (cmd
= disp_table
; cmd
->name
!= NULL
; cmd
++) {
3046 if (compare_cmd(cmdname
, cmd
->name
)) {
3055 * Parse command name from @cmdp according to command table @table.
3056 * If blank, return NULL.
3057 * Else, if no valid command can be found, report to @mon, and return
3059 * Else, change @cmdp to point right behind the name, and return its
3060 * command table entry.
3061 * Do not assume the return value points into @table! It doesn't when
3062 * the command is found in a sub-command table.
3064 static const mon_cmd_t
*monitor_parse_command(Monitor
*mon
,
3065 const char *cmdp_start
,
3070 const mon_cmd_t
*cmd
;
3073 /* extract the command name */
3074 p
= get_command_name(*cmdp
, cmdname
, sizeof(cmdname
));
3078 cmd
= search_dispatch_table(table
, cmdname
);
3080 monitor_printf(mon
, "unknown command: '%.*s'\n",
3081 (int)(p
- cmdp_start
), cmdp_start
);
3084 if (runstate_check(RUN_STATE_PRECONFIG
) && !cmd_can_preconfig(cmd
)) {
3085 monitor_printf(mon
, "Command '%.*s' not available with -preconfig "
3086 "until after exit_preconfig.\n",
3087 (int)(p
- cmdp_start
), cmdp_start
);
3091 /* filter out following useless space */
3092 while (qemu_isspace(*p
)) {
3097 /* search sub command */
3098 if (cmd
->sub_table
!= NULL
&& *p
!= '\0') {
3099 return monitor_parse_command(mon
, cmdp_start
, cmdp
, cmd
->sub_table
);
3106 * Parse arguments for @cmd.
3107 * If it can't be parsed, report to @mon, and return NULL.
3108 * Else, insert command arguments into a QDict, and return it.
3109 * Note: On success, caller has to free the QDict structure.
3112 static QDict
*monitor_parse_arguments(Monitor
*mon
,
3114 const mon_cmd_t
*cmd
)
3116 const char *typestr
;
3119 const char *p
= *endp
;
3121 QDict
*qdict
= qdict_new();
3123 /* parse the parameters */
3124 typestr
= cmd
->args_type
;
3126 typestr
= key_get_info(typestr
, &key
);
3138 while (qemu_isspace(*p
))
3140 if (*typestr
== '?') {
3143 /* no optional string: NULL argument */
3147 ret
= get_str(buf
, sizeof(buf
), &p
);
3151 monitor_printf(mon
, "%s: filename expected\n",
3155 monitor_printf(mon
, "%s: block device name expected\n",
3159 monitor_printf(mon
, "%s: string expected\n", cmd
->name
);
3164 qdict_put_str(qdict
, key
, buf
);
3169 QemuOptsList
*opts_list
;
3172 opts_list
= qemu_find_opts(key
);
3173 if (!opts_list
|| opts_list
->desc
->name
) {
3176 while (qemu_isspace(*p
)) {
3181 if (get_str(buf
, sizeof(buf
), &p
) < 0) {
3184 opts
= qemu_opts_parse_noisily(opts_list
, buf
, true);
3188 qemu_opts_to_qdict(opts
, qdict
);
3189 qemu_opts_del(opts
);
3194 int count
, format
, size
;
3196 while (qemu_isspace(*p
))
3202 if (qemu_isdigit(*p
)) {
3204 while (qemu_isdigit(*p
)) {
3205 count
= count
* 10 + (*p
- '0');
3243 if (*p
!= '\0' && !qemu_isspace(*p
)) {
3244 monitor_printf(mon
, "invalid char in format: '%c'\n",
3249 format
= default_fmt_format
;
3250 if (format
!= 'i') {
3251 /* for 'i', not specifying a size gives -1 as size */
3253 size
= default_fmt_size
;
3254 default_fmt_size
= size
;
3256 default_fmt_format
= format
;
3259 format
= default_fmt_format
;
3260 if (format
!= 'i') {
3261 size
= default_fmt_size
;
3266 qdict_put_int(qdict
, "count", count
);
3267 qdict_put_int(qdict
, "format", format
);
3268 qdict_put_int(qdict
, "size", size
);
3277 while (qemu_isspace(*p
))
3279 if (*typestr
== '?' || *typestr
== '.') {
3280 if (*typestr
== '?') {
3288 while (qemu_isspace(*p
))
3297 if (get_expr(mon
, &val
, &p
))
3299 /* Check if 'i' is greater than 32-bit */
3300 if ((c
== 'i') && ((val
>> 32) & 0xffffffff)) {
3301 monitor_printf(mon
, "\'%s\' has failed: ", cmd
->name
);
3302 monitor_printf(mon
, "integer is for 32-bit values\n");
3304 } else if (c
== 'M') {
3306 monitor_printf(mon
, "enter a positive value\n");
3311 qdict_put_int(qdict
, key
, val
);
3320 while (qemu_isspace(*p
)) {
3323 if (*typestr
== '?') {
3329 ret
= qemu_strtosz_MiB(p
, &end
, &val
);
3330 if (ret
< 0 || val
> INT64_MAX
) {
3331 monitor_printf(mon
, "invalid size\n");
3334 qdict_put_int(qdict
, key
, val
);
3342 while (qemu_isspace(*p
))
3344 if (*typestr
== '?') {
3350 if (get_double(mon
, &val
, &p
) < 0) {
3353 if (p
[0] && p
[1] == 's') {
3356 val
/= 1e3
; p
+= 2; break;
3358 val
/= 1e6
; p
+= 2; break;
3360 val
/= 1e9
; p
+= 2; break;
3363 if (*p
&& !qemu_isspace(*p
)) {
3364 monitor_printf(mon
, "Unknown unit suffix\n");
3367 qdict_put(qdict
, key
, qnum_from_double(val
));
3375 while (qemu_isspace(*p
)) {
3379 while (qemu_isgraph(*p
)) {
3382 if (p
- beg
== 2 && !memcmp(beg
, "on", p
- beg
)) {
3384 } else if (p
- beg
== 3 && !memcmp(beg
, "off", p
- beg
)) {
3387 monitor_printf(mon
, "Expected 'on' or 'off'\n");
3390 qdict_put_bool(qdict
, key
, val
);
3395 const char *tmp
= p
;
3402 while (qemu_isspace(*p
))
3407 if(!is_valid_option(p
, typestr
)) {
3409 monitor_printf(mon
, "%s: unsupported option -%c\n",
3421 qdict_put_bool(qdict
, key
, true);
3428 /* package all remaining string */
3431 while (qemu_isspace(*p
)) {
3434 if (*typestr
== '?') {
3437 /* no remaining string: NULL argument */
3443 monitor_printf(mon
, "%s: string expected\n",
3447 qdict_put_str(qdict
, key
, p
);
3453 monitor_printf(mon
, "%s: unknown type '%c'\n", cmd
->name
, c
);
3459 /* check that all arguments were parsed */
3460 while (qemu_isspace(*p
))
3463 monitor_printf(mon
, "%s: extraneous characters at the end of line\n",
3471 qobject_unref(qdict
);
3476 static void handle_hmp_command(Monitor
*mon
, const char *cmdline
)
3479 const mon_cmd_t
*cmd
;
3480 const char *cmd_start
= cmdline
;
3482 trace_handle_hmp_command(mon
, cmdline
);
3484 cmd
= monitor_parse_command(mon
, cmdline
, &cmdline
, mon
->cmd_table
);
3489 qdict
= monitor_parse_arguments(mon
, &cmdline
, cmd
);
3491 while (cmdline
> cmd_start
&& qemu_isspace(cmdline
[-1])) {
3494 monitor_printf(mon
, "Try \"help %.*s\" for more information\n",
3495 (int)(cmdline
- cmd_start
), cmd_start
);
3499 cmd
->cmd(mon
, qdict
);
3500 qobject_unref(qdict
);
3503 static void cmd_completion(Monitor
*mon
, const char *name
, const char *list
)
3505 const char *p
, *pstart
;
3512 p
= qemu_strchrnul(p
, '|');
3514 if (len
> sizeof(cmd
) - 2)
3515 len
= sizeof(cmd
) - 2;
3516 memcpy(cmd
, pstart
, len
);
3518 if (name
[0] == '\0' || !strncmp(name
, cmd
, strlen(name
))) {
3519 readline_add_completion(mon
->rs
, cmd
);
3527 static void file_completion(Monitor
*mon
, const char *input
)
3532 char file
[1024], file_prefix
[1024];
3536 p
= strrchr(input
, '/');
3539 pstrcpy(file_prefix
, sizeof(file_prefix
), input
);
3540 pstrcpy(path
, sizeof(path
), ".");
3542 input_path_len
= p
- input
+ 1;
3543 memcpy(path
, input
, input_path_len
);
3544 if (input_path_len
> sizeof(path
) - 1)
3545 input_path_len
= sizeof(path
) - 1;
3546 path
[input_path_len
] = '\0';
3547 pstrcpy(file_prefix
, sizeof(file_prefix
), p
+ 1);
3550 ffs
= opendir(path
);
3559 if (strcmp(d
->d_name
, ".") == 0 || strcmp(d
->d_name
, "..") == 0) {
3563 if (strstart(d
->d_name
, file_prefix
, NULL
)) {
3564 memcpy(file
, input
, input_path_len
);
3565 if (input_path_len
< sizeof(file
))
3566 pstrcpy(file
+ input_path_len
, sizeof(file
) - input_path_len
,
3568 /* stat the file to find out if it's a directory.
3569 * In that case add a slash to speed up typing long paths
3571 if (stat(file
, &sb
) == 0 && S_ISDIR(sb
.st_mode
)) {
3572 pstrcat(file
, sizeof(file
), "/");
3574 readline_add_completion(mon
->rs
, file
);
3580 static const char *next_arg_type(const char *typestr
)
3582 const char *p
= strchr(typestr
, ':');
3583 return (p
!= NULL
? ++p
: typestr
);
3586 static void add_completion_option(ReadLineState
*rs
, const char *str
,
3589 if (!str
|| !option
) {
3592 if (!strncmp(option
, str
, strlen(str
))) {
3593 readline_add_completion(rs
, option
);
3597 void chardev_add_completion(ReadLineState
*rs
, int nb_args
, const char *str
)
3600 ChardevBackendInfoList
*list
, *start
;
3606 readline_set_completion_index(rs
, len
);
3608 start
= list
= qmp_query_chardev_backends(NULL
);
3610 const char *chr_name
= list
->value
->name
;
3612 if (!strncmp(chr_name
, str
, len
)) {
3613 readline_add_completion(rs
, chr_name
);
3617 qapi_free_ChardevBackendInfoList(start
);
3620 void netdev_add_completion(ReadLineState
*rs
, int nb_args
, const char *str
)
3629 readline_set_completion_index(rs
, len
);
3630 for (i
= 0; i
< NET_CLIENT_DRIVER__MAX
; i
++) {
3631 add_completion_option(rs
, str
, NetClientDriver_str(i
));
3635 void device_add_completion(ReadLineState
*rs
, int nb_args
, const char *str
)
3645 readline_set_completion_index(rs
, len
);
3646 list
= elt
= object_class_get_list(TYPE_DEVICE
, false);
3649 DeviceClass
*dc
= OBJECT_CLASS_CHECK(DeviceClass
, elt
->data
,
3651 name
= object_class_get_name(OBJECT_CLASS(dc
));
3653 if (dc
->user_creatable
3654 && !strncmp(name
, str
, len
)) {
3655 readline_add_completion(rs
, name
);
3662 void object_add_completion(ReadLineState
*rs
, int nb_args
, const char *str
)
3672 readline_set_completion_index(rs
, len
);
3673 list
= elt
= object_class_get_list(TYPE_USER_CREATABLE
, false);
3677 name
= object_class_get_name(OBJECT_CLASS(elt
->data
));
3678 if (!strncmp(name
, str
, len
) && strcmp(name
, TYPE_USER_CREATABLE
)) {
3679 readline_add_completion(rs
, name
);
3686 static void peripheral_device_del_completion(ReadLineState
*rs
,
3687 const char *str
, size_t len
)
3689 Object
*peripheral
= container_get(qdev_get_machine(), "/peripheral");
3690 GSList
*list
, *item
;
3692 list
= qdev_build_hotpluggable_device_list(peripheral
);
3697 for (item
= list
; item
; item
= g_slist_next(item
)) {
3698 DeviceState
*dev
= item
->data
;
3700 if (dev
->id
&& !strncmp(str
, dev
->id
, len
)) {
3701 readline_add_completion(rs
, dev
->id
);
3708 void chardev_remove_completion(ReadLineState
*rs
, int nb_args
, const char *str
)
3711 ChardevInfoList
*list
, *start
;
3717 readline_set_completion_index(rs
, len
);
3719 start
= list
= qmp_query_chardev(NULL
);
3721 ChardevInfo
*chr
= list
->value
;
3723 if (!strncmp(chr
->label
, str
, len
)) {
3724 readline_add_completion(rs
, chr
->label
);
3728 qapi_free_ChardevInfoList(start
);
3731 static void ringbuf_completion(ReadLineState
*rs
, const char *str
)
3734 ChardevInfoList
*list
, *start
;
3737 readline_set_completion_index(rs
, len
);
3739 start
= list
= qmp_query_chardev(NULL
);
3741 ChardevInfo
*chr_info
= list
->value
;
3743 if (!strncmp(chr_info
->label
, str
, len
)) {
3744 Chardev
*chr
= qemu_chr_find(chr_info
->label
);
3745 if (chr
&& CHARDEV_IS_RINGBUF(chr
)) {
3746 readline_add_completion(rs
, chr_info
->label
);
3751 qapi_free_ChardevInfoList(start
);
3754 void ringbuf_write_completion(ReadLineState
*rs
, int nb_args
, const char *str
)
3759 ringbuf_completion(rs
, str
);
3762 void device_del_completion(ReadLineState
*rs
, int nb_args
, const char *str
)
3771 readline_set_completion_index(rs
, len
);
3772 peripheral_device_del_completion(rs
, str
, len
);
3775 void object_del_completion(ReadLineState
*rs
, int nb_args
, const char *str
)
3777 ObjectPropertyInfoList
*list
, *start
;
3784 readline_set_completion_index(rs
, len
);
3786 start
= list
= qmp_qom_list("/objects", NULL
);
3788 ObjectPropertyInfo
*info
= list
->value
;
3790 if (!strncmp(info
->type
, "child<", 5)
3791 && !strncmp(info
->name
, str
, len
)) {
3792 readline_add_completion(rs
, info
->name
);
3796 qapi_free_ObjectPropertyInfoList(start
);
3799 void sendkey_completion(ReadLineState
*rs
, int nb_args
, const char *str
)
3808 sep
= strrchr(str
, '-');
3813 readline_set_completion_index(rs
, len
);
3814 for (i
= 0; i
< Q_KEY_CODE__MAX
; i
++) {
3815 if (!strncmp(str
, QKeyCode_str(i
), len
)) {
3816 readline_add_completion(rs
, QKeyCode_str(i
));
3821 void set_link_completion(ReadLineState
*rs
, int nb_args
, const char *str
)
3826 readline_set_completion_index(rs
, len
);
3828 NetClientState
*ncs
[MAX_QUEUE_NUM
];
3830 count
= qemu_find_net_clients_except(NULL
, ncs
,
3831 NET_CLIENT_DRIVER_NONE
,
3833 for (i
= 0; i
< MIN(count
, MAX_QUEUE_NUM
); i
++) {
3834 const char *name
= ncs
[i
]->name
;
3835 if (!strncmp(str
, name
, len
)) {
3836 readline_add_completion(rs
, name
);
3839 } else if (nb_args
== 3) {
3840 add_completion_option(rs
, str
, "on");
3841 add_completion_option(rs
, str
, "off");
3845 void netdev_del_completion(ReadLineState
*rs
, int nb_args
, const char *str
)
3848 NetClientState
*ncs
[MAX_QUEUE_NUM
];
3855 readline_set_completion_index(rs
, len
);
3856 count
= qemu_find_net_clients_except(NULL
, ncs
, NET_CLIENT_DRIVER_NIC
,
3858 for (i
= 0; i
< MIN(count
, MAX_QUEUE_NUM
); i
++) {
3860 const char *name
= ncs
[i
]->name
;
3861 if (strncmp(str
, name
, len
)) {
3864 opts
= qemu_opts_find(qemu_find_opts_err("netdev", NULL
), name
);
3866 readline_add_completion(rs
, name
);
3871 void info_trace_events_completion(ReadLineState
*rs
, int nb_args
, const char *str
)
3876 readline_set_completion_index(rs
, len
);
3878 TraceEventIter iter
;
3880 char *pattern
= g_strdup_printf("%s*", str
);
3881 trace_event_iter_init(&iter
, pattern
);
3882 while ((ev
= trace_event_iter_next(&iter
)) != NULL
) {
3883 readline_add_completion(rs
, trace_event_get_name(ev
));
3889 void trace_event_completion(ReadLineState
*rs
, int nb_args
, const char *str
)
3894 readline_set_completion_index(rs
, len
);
3896 TraceEventIter iter
;
3898 char *pattern
= g_strdup_printf("%s*", str
);
3899 trace_event_iter_init(&iter
, pattern
);
3900 while ((ev
= trace_event_iter_next(&iter
)) != NULL
) {
3901 readline_add_completion(rs
, trace_event_get_name(ev
));
3904 } else if (nb_args
== 3) {
3905 add_completion_option(rs
, str
, "on");
3906 add_completion_option(rs
, str
, "off");
3910 void watchdog_action_completion(ReadLineState
*rs
, int nb_args
, const char *str
)
3917 readline_set_completion_index(rs
, strlen(str
));
3918 for (i
= 0; i
< WATCHDOG_ACTION__MAX
; i
++) {
3919 add_completion_option(rs
, str
, WatchdogAction_str(i
));
3923 void migrate_set_capability_completion(ReadLineState
*rs
, int nb_args
,
3929 readline_set_completion_index(rs
, len
);
3932 for (i
= 0; i
< MIGRATION_CAPABILITY__MAX
; i
++) {
3933 const char *name
= MigrationCapability_str(i
);
3934 if (!strncmp(str
, name
, len
)) {
3935 readline_add_completion(rs
, name
);
3938 } else if (nb_args
== 3) {
3939 add_completion_option(rs
, str
, "on");
3940 add_completion_option(rs
, str
, "off");
3944 void migrate_set_parameter_completion(ReadLineState
*rs
, int nb_args
,
3950 readline_set_completion_index(rs
, len
);
3953 for (i
= 0; i
< MIGRATION_PARAMETER__MAX
; i
++) {
3954 const char *name
= MigrationParameter_str(i
);
3955 if (!strncmp(str
, name
, len
)) {
3956 readline_add_completion(rs
, name
);
3962 static void vm_completion(ReadLineState
*rs
, const char *str
)
3965 BlockDriverState
*bs
;
3966 BdrvNextIterator it
;
3969 readline_set_completion_index(rs
, len
);
3971 for (bs
= bdrv_first(&it
); bs
; bs
= bdrv_next(&it
)) {
3972 SnapshotInfoList
*snapshots
, *snapshot
;
3973 AioContext
*ctx
= bdrv_get_aio_context(bs
);
3976 aio_context_acquire(ctx
);
3977 if (bdrv_can_snapshot(bs
)) {
3978 ok
= bdrv_query_snapshot_info_list(bs
, &snapshots
, NULL
) == 0;
3980 aio_context_release(ctx
);
3985 snapshot
= snapshots
;
3987 char *completion
= snapshot
->value
->name
;
3988 if (!strncmp(str
, completion
, len
)) {
3989 readline_add_completion(rs
, completion
);
3991 completion
= snapshot
->value
->id
;
3992 if (!strncmp(str
, completion
, len
)) {
3993 readline_add_completion(rs
, completion
);
3995 snapshot
= snapshot
->next
;
3997 qapi_free_SnapshotInfoList(snapshots
);
4002 void delvm_completion(ReadLineState
*rs
, int nb_args
, const char *str
)
4005 vm_completion(rs
, str
);
4009 void loadvm_completion(ReadLineState
*rs
, int nb_args
, const char *str
)
4012 vm_completion(rs
, str
);
4016 static void monitor_find_completion_by_table(Monitor
*mon
,
4017 const mon_cmd_t
*cmd_table
,
4021 const char *cmdname
;
4023 const char *ptype
, *old_ptype
, *str
, *name
;
4024 const mon_cmd_t
*cmd
;
4025 BlockBackend
*blk
= NULL
;
4028 /* command completion */
4033 readline_set_completion_index(mon
->rs
, strlen(cmdname
));
4034 for (cmd
= cmd_table
; cmd
->name
!= NULL
; cmd
++) {
4035 if (!runstate_check(RUN_STATE_PRECONFIG
) ||
4036 cmd_can_preconfig(cmd
)) {
4037 cmd_completion(mon
, cmdname
, cmd
->name
);
4041 /* find the command */
4042 for (cmd
= cmd_table
; cmd
->name
!= NULL
; cmd
++) {
4043 if (compare_cmd(args
[0], cmd
->name
) &&
4044 (!runstate_check(RUN_STATE_PRECONFIG
) ||
4045 cmd_can_preconfig(cmd
))) {
4053 if (cmd
->sub_table
) {
4054 /* do the job again */
4055 monitor_find_completion_by_table(mon
, cmd
->sub_table
,
4056 &args
[1], nb_args
- 1);
4059 if (cmd
->command_completion
) {
4060 cmd
->command_completion(mon
->rs
, nb_args
, args
[nb_args
- 1]);
4064 ptype
= next_arg_type(cmd
->args_type
);
4065 for(i
= 0; i
< nb_args
- 2; i
++) {
4066 if (*ptype
!= '\0') {
4067 ptype
= next_arg_type(ptype
);
4068 while (*ptype
== '?')
4069 ptype
= next_arg_type(ptype
);
4072 str
= args
[nb_args
- 1];
4074 while (*ptype
== '-' && old_ptype
!= ptype
) {
4076 ptype
= next_arg_type(ptype
);
4080 /* file completion */
4081 readline_set_completion_index(mon
->rs
, strlen(str
));
4082 file_completion(mon
, str
);
4085 /* block device name completion */
4086 readline_set_completion_index(mon
->rs
, strlen(str
));
4087 while ((blk
= blk_next(blk
)) != NULL
) {
4088 name
= blk_name(blk
);
4089 if (str
[0] == '\0' ||
4090 !strncmp(name
, str
, strlen(str
))) {
4091 readline_add_completion(mon
->rs
, name
);
4097 if (!strcmp(cmd
->name
, "help|?")) {
4098 monitor_find_completion_by_table(mon
, cmd_table
,
4099 &args
[1], nb_args
- 1);
4108 static void monitor_find_completion(void *opaque
,
4109 const char *cmdline
)
4111 Monitor
*mon
= opaque
;
4112 char *args
[MAX_ARGS
];
4115 /* 1. parse the cmdline */
4116 if (parse_cmdline(cmdline
, &nb_args
, args
) < 0) {
4120 /* if the line ends with a space, it means we want to complete the
4122 len
= strlen(cmdline
);
4123 if (len
> 0 && qemu_isspace(cmdline
[len
- 1])) {
4124 if (nb_args
>= MAX_ARGS
) {
4127 args
[nb_args
++] = g_strdup("");
4130 /* 2. auto complete according to args */
4131 monitor_find_completion_by_table(mon
, mon
->cmd_table
, args
, nb_args
);
4134 free_cmdline_args(args
, nb_args
);
4137 static int monitor_can_read(void *opaque
)
4139 Monitor
*mon
= opaque
;
4141 return !atomic_mb_read(&mon
->suspend_cnt
);
4145 * Emit QMP response @rsp with ID @id to @mon.
4146 * Null @rsp can only happen for commands with QCO_NO_SUCCESS_RESP.
4147 * Nothing is emitted then.
4149 static void monitor_qmp_respond(Monitor
*mon
, QDict
*rsp
, QObject
*id
)
4153 qdict_put_obj(rsp
, "id", qobject_ref(id
));
4156 qmp_queue_response(mon
, rsp
);
4160 static void monitor_qmp_dispatch(Monitor
*mon
, QObject
*req
, QObject
*id
)
4169 rsp
= qmp_dispatch(mon
->qmp
.commands
, req
, qmp_oob_enabled(mon
));
4173 if (mon
->qmp
.commands
== &qmp_cap_negotiation_commands
) {
4174 error
= qdict_get_qdict(rsp
, "error");
4176 && !g_strcmp0(qdict_get_try_str(error
, "class"),
4177 QapiErrorClass_str(ERROR_CLASS_COMMAND_NOT_FOUND
))) {
4178 /* Provide a more useful error message */
4179 qdict_del(error
, "desc");
4180 qdict_put_str(error
, "desc", "Expecting capabilities negotiation"
4181 " with 'qmp_capabilities'");
4185 monitor_qmp_respond(mon
, rsp
, id
);
4190 * Pop a QMP request from a monitor request queue.
4191 * Return the request, or NULL all request queues are empty.
4192 * We are using round-robin fashion to pop the request, to avoid
4193 * processing commands only on a very busy monitor. To achieve that,
4194 * when we process one request on a specific monitor, we put that
4195 * monitor to the end of mon_list queue.
4197 static QMPRequest
*monitor_qmp_requests_pop_any(void)
4199 QMPRequest
*req_obj
= NULL
;
4202 qemu_mutex_lock(&monitor_lock
);
4204 QTAILQ_FOREACH(mon
, &mon_list
, entry
) {
4205 qemu_mutex_lock(&mon
->qmp
.qmp_queue_lock
);
4206 req_obj
= g_queue_pop_head(mon
->qmp
.qmp_requests
);
4207 qemu_mutex_unlock(&mon
->qmp
.qmp_queue_lock
);
4215 * We found one request on the monitor. Degrade this monitor's
4216 * priority to lowest by re-inserting it to end of queue.
4218 QTAILQ_REMOVE(&mon_list
, mon
, entry
);
4219 QTAILQ_INSERT_TAIL(&mon_list
, mon
, entry
);
4222 qemu_mutex_unlock(&monitor_lock
);
4227 static void monitor_qmp_bh_dispatcher(void *data
)
4229 QMPRequest
*req_obj
= monitor_qmp_requests_pop_any();
4237 trace_monitor_qmp_cmd_in_band(qobject_get_try_str(req_obj
->id
) ?: "");
4238 monitor_qmp_dispatch(req_obj
->mon
, req_obj
->req
, req_obj
->id
);
4240 assert(req_obj
->err
);
4241 rsp
= qmp_error_response(req_obj
->err
);
4242 req_obj
->err
= NULL
;
4243 monitor_qmp_respond(req_obj
->mon
, rsp
, NULL
);
4247 if (req_obj
->need_resume
) {
4248 /* Pairs with the monitor_suspend() in handle_qmp_command() */
4249 monitor_resume(req_obj
->mon
);
4251 qmp_request_free(req_obj
);
4253 /* Reschedule instead of looping so the main loop stays responsive */
4254 qemu_bh_schedule(qmp_dispatcher_bh
);
4257 #define QMP_REQ_QUEUE_LEN_MAX (8)
4259 static void handle_qmp_command(JSONMessageParser
*parser
, GQueue
*tokens
)
4261 QObject
*req
, *id
= NULL
;
4263 MonitorQMP
*mon_qmp
= container_of(parser
, MonitorQMP
, parser
);
4264 Monitor
*mon
= container_of(mon_qmp
, Monitor
, qmp
);
4266 QMPRequest
*req_obj
;
4268 req
= json_parser_parse_err(tokens
, NULL
, &err
);
4270 /* json_parser_parse_err() sucks: can fail without setting @err */
4271 error_setg(&err
, QERR_JSON_PARSING
);
4274 qdict
= qobject_to(QDict
, req
);
4276 id
= qobject_ref(qdict_get(qdict
, "id"));
4277 qdict_del(qdict
, "id");
4278 } /* else will fail qmp_dispatch() */
4280 if (req
&& trace_event_get_state_backends(TRACE_HANDLE_QMP_COMMAND
)) {
4281 QString
*req_json
= qobject_to_json(req
);
4282 trace_handle_qmp_command(mon
, qstring_get_str(req_json
));
4283 qobject_unref(req_json
);
4286 if (qdict
&& qmp_is_oob(qdict
)) {
4287 /* OOB commands are executed immediately */
4288 trace_monitor_qmp_cmd_out_of_band(qobject_get_try_str(id
)
4290 monitor_qmp_dispatch(mon
, req
, id
);
4296 req_obj
= g_new0(QMPRequest
, 1);
4301 req_obj
->need_resume
= false;
4303 /* Protect qmp_requests and fetching its length. */
4304 qemu_mutex_lock(&mon
->qmp
.qmp_queue_lock
);
4307 * If OOB is not enabled on the current monitor, we'll emulate the
4308 * old behavior that we won't process the current monitor any more
4309 * until it has responded. This helps make sure that as long as
4310 * OOB is not enabled, the server will never drop any command.
4312 if (!qmp_oob_enabled(mon
)) {
4313 monitor_suspend(mon
);
4314 req_obj
->need_resume
= true;
4316 /* Drop the request if queue is full. */
4317 if (mon
->qmp
.qmp_requests
->length
>= QMP_REQ_QUEUE_LEN_MAX
) {
4318 qemu_mutex_unlock(&mon
->qmp
.qmp_queue_lock
);
4320 * FIXME @id's scope is just @mon, and broadcasting it is
4321 * wrong. If another monitor's client has a command with
4322 * the same ID in flight, the event will incorrectly claim
4323 * that command was dropped.
4325 qapi_event_send_command_dropped(id
,
4326 COMMAND_DROP_REASON_QUEUE_FULL
,
4328 qmp_request_free(req_obj
);
4334 * Put the request to the end of queue so that requests will be
4335 * handled in time order. Ownership for req_obj, req, id,
4336 * etc. will be delivered to the handler side.
4338 g_queue_push_tail(mon
->qmp
.qmp_requests
, req_obj
);
4339 qemu_mutex_unlock(&mon
->qmp
.qmp_queue_lock
);
4341 /* Kick the dispatcher routine */
4342 qemu_bh_schedule(qmp_dispatcher_bh
);
4345 static void monitor_qmp_read(void *opaque
, const uint8_t *buf
, int size
)
4347 Monitor
*mon
= opaque
;
4349 json_message_parser_feed(&mon
->qmp
.parser
, (const char *) buf
, size
);
4352 static void monitor_read(void *opaque
, const uint8_t *buf
, int size
)
4354 Monitor
*old_mon
= cur_mon
;
4360 for (i
= 0; i
< size
; i
++)
4361 readline_handle_byte(cur_mon
->rs
, buf
[i
]);
4363 if (size
== 0 || buf
[size
- 1] != 0)
4364 monitor_printf(cur_mon
, "corrupted command\n");
4366 handle_hmp_command(cur_mon
, (char *)buf
);
4372 static void monitor_command_cb(void *opaque
, const char *cmdline
,
4373 void *readline_opaque
)
4375 Monitor
*mon
= opaque
;
4377 monitor_suspend(mon
);
4378 handle_hmp_command(mon
, cmdline
);
4379 monitor_resume(mon
);
4382 int monitor_suspend(Monitor
*mon
)
4384 if (monitor_is_hmp_non_interactive(mon
)) {
4388 atomic_inc(&mon
->suspend_cnt
);
4390 if (monitor_is_qmp(mon
)) {
4392 * Kick I/O thread to make sure this takes effect. It'll be
4393 * evaluated again in prepare() of the watch object.
4395 aio_notify(iothread_get_aio_context(mon_iothread
));
4398 trace_monitor_suspend(mon
, 1);
4402 void monitor_resume(Monitor
*mon
)
4404 if (monitor_is_hmp_non_interactive(mon
)) {
4408 if (atomic_dec_fetch(&mon
->suspend_cnt
) == 0) {
4409 if (monitor_is_qmp(mon
)) {
4411 * For QMP monitors that are running in the I/O thread,
4412 * let's kick the thread in case it's sleeping.
4414 if (mon
->use_io_thread
) {
4415 aio_notify(iothread_get_aio_context(mon_iothread
));
4419 readline_show_prompt(mon
->rs
);
4422 trace_monitor_suspend(mon
, -1);
4425 static QDict
*qmp_greeting(Monitor
*mon
)
4427 QList
*cap_list
= qlist_new();
4428 QObject
*ver
= NULL
;
4431 qmp_marshal_query_version(NULL
, &ver
, NULL
);
4433 for (cap
= 0; cap
< QMP_CAPABILITY__MAX
; cap
++) {
4434 if (mon
->qmp
.capab_offered
[cap
]) {
4435 qlist_append_str(cap_list
, QMPCapability_str(cap
));
4439 return qdict_from_jsonf_nofail(
4440 "{'QMP': {'version': %p, 'capabilities': %p}}",
4444 static void monitor_qmp_event(void *opaque
, int event
)
4447 Monitor
*mon
= opaque
;
4450 case CHR_EVENT_OPENED
:
4451 mon
->qmp
.commands
= &qmp_cap_negotiation_commands
;
4452 monitor_qmp_caps_reset(mon
);
4453 data
= qmp_greeting(mon
);
4454 qmp_queue_response(mon
, data
);
4455 qobject_unref(data
);
4458 case CHR_EVENT_CLOSED
:
4460 * Note: this is only useful when the output of the chardev
4461 * backend is still open. For example, when the backend is
4462 * stdio, it's possible that stdout is still open when stdin
4465 monitor_qmp_response_flush(mon
);
4466 monitor_qmp_cleanup_queues(mon
);
4467 json_message_parser_destroy(&mon
->qmp
.parser
);
4468 json_message_parser_init(&mon
->qmp
.parser
, handle_qmp_command
);
4470 monitor_fdsets_cleanup();
4475 static void monitor_event(void *opaque
, int event
)
4477 Monitor
*mon
= opaque
;
4480 case CHR_EVENT_MUX_IN
:
4481 qemu_mutex_lock(&mon
->mon_lock
);
4483 qemu_mutex_unlock(&mon
->mon_lock
);
4484 if (mon
->reset_seen
) {
4485 readline_restart(mon
->rs
);
4486 monitor_resume(mon
);
4489 atomic_mb_set(&mon
->suspend_cnt
, 0);
4493 case CHR_EVENT_MUX_OUT
:
4494 if (mon
->reset_seen
) {
4495 if (atomic_mb_read(&mon
->suspend_cnt
) == 0) {
4496 monitor_printf(mon
, "\n");
4499 monitor_suspend(mon
);
4501 atomic_inc(&mon
->suspend_cnt
);
4503 qemu_mutex_lock(&mon
->mon_lock
);
4505 qemu_mutex_unlock(&mon
->mon_lock
);
4508 case CHR_EVENT_OPENED
:
4509 monitor_printf(mon
, "QEMU %s monitor - type 'help' for more "
4510 "information\n", QEMU_VERSION
);
4511 if (!mon
->mux_out
) {
4512 readline_restart(mon
->rs
);
4513 readline_show_prompt(mon
->rs
);
4515 mon
->reset_seen
= 1;
4519 case CHR_EVENT_CLOSED
:
4521 monitor_fdsets_cleanup();
4527 compare_mon_cmd(const void *a
, const void *b
)
4529 return strcmp(((const mon_cmd_t
*)a
)->name
,
4530 ((const mon_cmd_t
*)b
)->name
);
4533 static void sortcmdlist(void)
4536 int elem_size
= sizeof(mon_cmd_t
);
4538 array_num
= sizeof(mon_cmds
)/elem_size
-1;
4539 qsort((void *)mon_cmds
, array_num
, elem_size
, compare_mon_cmd
);
4541 array_num
= sizeof(info_cmds
)/elem_size
-1;
4542 qsort((void *)info_cmds
, array_num
, elem_size
, compare_mon_cmd
);
4545 static GMainContext
*monitor_get_io_context(void)
4547 return iothread_get_g_main_context(mon_iothread
);
4550 static AioContext
*monitor_get_aio_context(void)
4552 return iothread_get_aio_context(mon_iothread
);
4555 static void monitor_iothread_init(void)
4557 mon_iothread
= iothread_create("mon_iothread", &error_abort
);
4560 * The dispatcher BH must run in the main loop thread, since we
4561 * have commands assuming that context. It would be nice to get
4562 * rid of those assumptions.
4564 qmp_dispatcher_bh
= aio_bh_new(iohandler_get_aio_context(),
4565 monitor_qmp_bh_dispatcher
,
4569 * The responder BH must be run in the monitor I/O thread, so that
4570 * monitors that are using the I/O thread have their output
4571 * written by the I/O thread.
4573 qmp_respond_bh
= aio_bh_new(monitor_get_aio_context(),
4574 monitor_qmp_bh_responder
,
4578 void monitor_init_globals(void)
4580 monitor_init_qmp_commands();
4581 monitor_qapi_event_init();
4583 qemu_mutex_init(&monitor_lock
);
4584 qemu_mutex_init(&mon_fdsets_lock
);
4585 monitor_iothread_init();
4588 /* These functions just adapt the readline interface in a typesafe way. We
4589 * could cast function pointers but that discards compiler checks.
4591 static void GCC_FMT_ATTR(2, 3) monitor_readline_printf(void *opaque
,
4592 const char *fmt
, ...)
4596 monitor_vprintf(opaque
, fmt
, ap
);
4600 static void monitor_readline_flush(void *opaque
)
4602 monitor_flush(opaque
);
4606 * Print to current monitor if we have one, else to stderr.
4607 * TODO should return int, so callers can calculate width, but that
4608 * requires surgery to monitor_vprintf(). Left for another day.
4610 void error_vprintf(const char *fmt
, va_list ap
)
4612 if (cur_mon
&& !monitor_cur_is_qmp()) {
4613 monitor_vprintf(cur_mon
, fmt
, ap
);
4615 vfprintf(stderr
, fmt
, ap
);
4619 void error_vprintf_unless_qmp(const char *fmt
, va_list ap
)
4621 if (cur_mon
&& !monitor_cur_is_qmp()) {
4622 monitor_vprintf(cur_mon
, fmt
, ap
);
4623 } else if (!cur_mon
) {
4624 vfprintf(stderr
, fmt
, ap
);
4628 static void monitor_list_append(Monitor
*mon
)
4630 qemu_mutex_lock(&monitor_lock
);
4631 QTAILQ_INSERT_HEAD(&mon_list
, mon
, entry
);
4632 qemu_mutex_unlock(&monitor_lock
);
4635 static void monitor_qmp_setup_handlers_bh(void *opaque
)
4637 Monitor
*mon
= opaque
;
4638 GMainContext
*context
;
4640 if (mon
->use_io_thread
) {
4641 /* Use @mon_iothread context */
4642 context
= monitor_get_io_context();
4645 /* Use default main loop context */
4649 qemu_chr_fe_set_handlers(&mon
->chr
, monitor_can_read
, monitor_qmp_read
,
4650 monitor_qmp_event
, NULL
, mon
, context
, true);
4651 monitor_list_append(mon
);
4654 void monitor_init(Chardev
*chr
, int flags
)
4656 Monitor
*mon
= g_malloc(sizeof(*mon
));
4657 bool use_readline
= flags
& MONITOR_USE_READLINE
;
4658 bool use_oob
= flags
& MONITOR_USE_OOB
;
4661 if (CHARDEV_IS_MUX(chr
)) {
4662 error_report("Monitor out-of-band is not supported with "
4663 "MUX typed chardev backend");
4667 error_report("Monitor out-of-band is only supported by QMP");
4672 monitor_data_init(mon
, false, use_oob
);
4674 qemu_chr_fe_init(&mon
->chr
, chr
, &error_abort
);
4677 mon
->rs
= readline_init(monitor_readline_printf
,
4678 monitor_readline_flush
,
4680 monitor_find_completion
);
4681 monitor_read_command(mon
, 0);
4684 if (monitor_is_qmp(mon
)) {
4685 qemu_chr_fe_set_echo(&mon
->chr
, true);
4686 json_message_parser_init(&mon
->qmp
.parser
, handle_qmp_command
);
4687 if (mon
->use_io_thread
) {
4689 * Make sure the old iowatch is gone. It's possible when
4690 * e.g. the chardev is in client mode, with wait=on.
4692 remove_fd_in_watch(chr
);
4694 * We can't call qemu_chr_fe_set_handlers() directly here
4695 * since chardev might be running in the monitor I/O
4696 * thread. Schedule a bottom half.
4698 aio_bh_schedule_oneshot(monitor_get_aio_context(),
4699 monitor_qmp_setup_handlers_bh
, mon
);
4700 /* The bottom half will add @mon to @mon_list */
4703 qemu_chr_fe_set_handlers(&mon
->chr
, monitor_can_read
,
4704 monitor_qmp_read
, monitor_qmp_event
,
4705 NULL
, mon
, NULL
, true);
4708 qemu_chr_fe_set_handlers(&mon
->chr
, monitor_can_read
, monitor_read
,
4709 monitor_event
, NULL
, mon
, NULL
, true);
4712 monitor_list_append(mon
);
4715 void monitor_cleanup(void)
4717 Monitor
*mon
, *next
;
4720 * We need to explicitly stop the I/O thread (but not destroy it),
4721 * clean up the monitor resources, then destroy the I/O thread since
4722 * we need to unregister from chardev below in
4723 * monitor_data_destroy(), and chardev is not thread-safe yet
4725 iothread_stop(mon_iothread
);
4728 * Flush all response queues. Note that even after this flush,
4729 * data may remain in output buffers.
4731 monitor_qmp_bh_responder(NULL
);
4733 /* Flush output buffers and destroy monitors */
4734 qemu_mutex_lock(&monitor_lock
);
4735 QTAILQ_FOREACH_SAFE(mon
, &mon_list
, entry
, next
) {
4736 QTAILQ_REMOVE(&mon_list
, mon
, entry
);
4738 monitor_data_destroy(mon
);
4741 qemu_mutex_unlock(&monitor_lock
);
4743 /* QEMUBHs needs to be deleted before destroying the I/O thread */
4744 qemu_bh_delete(qmp_dispatcher_bh
);
4745 qmp_dispatcher_bh
= NULL
;
4746 qemu_bh_delete(qmp_respond_bh
);
4747 qmp_respond_bh
= NULL
;
4749 iothread_destroy(mon_iothread
);
4750 mon_iothread
= NULL
;
4753 QemuOptsList qemu_mon_opts
= {
4755 .implied_opt_name
= "chardev",
4756 .head
= QTAILQ_HEAD_INITIALIZER(qemu_mon_opts
.head
),
4760 .type
= QEMU_OPT_STRING
,
4763 .type
= QEMU_OPT_STRING
,
4766 .type
= QEMU_OPT_BOOL
,
4769 .type
= QEMU_OPT_BOOL
,
4771 { /* end of list */ }
4776 void qmp_rtc_reset_reinjection(Error
**errp
)
4778 error_setg(errp
, QERR_FEATURE_DISABLED
, "rtc-reset-reinjection");
4781 SevInfo
*qmp_query_sev(Error
**errp
)
4783 error_setg(errp
, QERR_FEATURE_DISABLED
, "query-sev");
4787 SevLaunchMeasureInfo
*qmp_query_sev_launch_measure(Error
**errp
)
4789 error_setg(errp
, QERR_FEATURE_DISABLED
, "query-sev-launch-measure");
4793 SevCapability
*qmp_query_sev_capabilities(Error
**errp
)
4795 error_setg(errp
, QERR_FEATURE_DISABLED
, "query-sev-capabilities");
4800 #ifndef TARGET_S390X
4801 void qmp_dump_skeys(const char *filename
, Error
**errp
)
4803 error_setg(errp
, QERR_FEATURE_DISABLED
, "dump-skeys");
4808 GICCapabilityList
*qmp_query_gic_capabilities(Error
**errp
)
4810 error_setg(errp
, QERR_FEATURE_DISABLED
, "query-gic-capabilities");
4815 HotpluggableCPUList
*qmp_query_hotpluggable_cpus(Error
**errp
)
4817 MachineState
*ms
= MACHINE(qdev_get_machine());
4818 MachineClass
*mc
= MACHINE_GET_CLASS(ms
);
4820 if (!mc
->has_hotpluggable_cpus
) {
4821 error_setg(errp
, QERR_FEATURE_DISABLED
, "query-hotpluggable-cpus");
4825 return machine_query_hotpluggable_cpus(ms
);