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-parser.h"
62 #include "qapi/qmp/qlist.h"
63 #include "qom/object_interfaces.h"
64 #include "trace-root.h"
65 #include "trace/control.h"
66 #include "monitor/hmp-target.h"
67 #ifdef CONFIG_TRACE_SIMPLE
68 #include "trace/simple.h"
70 #include "exec/memory.h"
71 #include "exec/exec-all.h"
73 #include "qemu/option.h"
75 #include "qemu/thread.h"
76 #include "block/qapi.h"
77 #include "qapi/qapi-commands.h"
78 #include "qapi/qapi-emit-events.h"
79 #include "qapi/error.h"
80 #include "qapi/qmp-event.h"
81 #include "qapi/qapi-introspect.h"
82 #include "sysemu/qtest.h"
83 #include "sysemu/cpus.h"
84 #include "sysemu/iothread.h"
85 #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
;
189 * To prevent flooding clients, events can be throttled. The
190 * throttling is calculated globally, rather than per-Monitor
193 typedef struct MonitorQAPIEventState
{
194 QAPIEvent event
; /* Throttling state for this event type and... */
195 QDict
*data
; /* ... data, see qapi_event_throttle_equal() */
196 QEMUTimer
*timer
; /* Timer for handling delayed events */
197 QDict
*qdict
; /* Delayed event (if any) */
198 } MonitorQAPIEventState
;
201 int64_t rate
; /* Minimum time (in ns) between two events */
202 } MonitorQAPIEventConf
;
208 int suspend_cnt
; /* Needs to be accessed atomically */
213 * State used only in the thread "owning" the monitor.
214 * If @use_io_thread, this is @mon_iothread.
215 * Else, it's the main thread.
216 * These members can be safely accessed without locks.
222 BlockCompletionFunc
*password_completion_cb
;
223 void *password_opaque
;
224 mon_cmd_t
*cmd_table
;
225 QTAILQ_ENTRY(Monitor
) entry
;
228 * The per-monitor lock. We can't access guest memory when holding
234 * Members that are protected by the per-monitor lock
236 QLIST_HEAD(, mon_fd_t
) fds
;
239 /* Read under either BQL or mon_lock, written with BQL+mon_lock. */
243 /* Shared monitor I/O thread */
244 IOThread
*mon_iothread
;
246 /* Bottom half to dispatch the requests received from I/O thread */
247 QEMUBH
*qmp_dispatcher_bh
;
250 /* Owner of the request */
252 /* "id" field of the request */
255 * Request object to be handled or Error to be reported
256 * (exactly one of them is non-null)
261 typedef struct QMPRequest QMPRequest
;
263 /* QMP checker flags */
264 #define QMP_ACCEPT_UNKNOWNS 1
266 /* Protects mon_list, monitor_qapi_event_state, monitor_destroyed. */
267 static QemuMutex monitor_lock
;
268 static GHashTable
*monitor_qapi_event_state
;
269 static QTAILQ_HEAD(, Monitor
) mon_list
;
270 static bool monitor_destroyed
;
272 /* Protects mon_fdsets */
273 static QemuMutex mon_fdsets_lock
;
274 static QLIST_HEAD(, MonFdset
) mon_fdsets
;
276 static int mon_refcount
;
278 static mon_cmd_t mon_cmds
[];
279 static mon_cmd_t info_cmds
[];
281 QmpCommandList qmp_commands
, qmp_cap_negotiation_commands
;
283 __thread Monitor
*cur_mon
;
285 static void monitor_command_cb(void *opaque
, const char *cmdline
,
286 void *readline_opaque
);
289 * Is @mon a QMP monitor?
291 static inline bool monitor_is_qmp(const Monitor
*mon
)
293 return (mon
->flags
& MONITOR_USE_CONTROL
);
297 * Is @mon is using readline?
298 * Note: not all HMP monitors use readline, e.g., gdbserver has a
299 * non-interactive HMP monitor, so readline is not used there.
301 static inline bool monitor_uses_readline(const Monitor
*mon
)
303 return mon
->flags
& MONITOR_USE_READLINE
;
306 static inline bool monitor_is_hmp_non_interactive(const Monitor
*mon
)
308 return !monitor_is_qmp(mon
) && !monitor_uses_readline(mon
);
312 * Return the clock to use for recording an event's time.
313 * It's QEMU_CLOCK_REALTIME, except for qtests it's
314 * QEMU_CLOCK_VIRTUAL, to support testing rate limits.
315 * Beware: result is invalid before configure_accelerator().
317 static inline QEMUClockType
monitor_get_event_clock(void)
319 return qtest_enabled() ? QEMU_CLOCK_VIRTUAL
: QEMU_CLOCK_REALTIME
;
323 * Is the current monitor, if any, a QMP monitor?
325 bool monitor_cur_is_qmp(void)
327 return cur_mon
&& monitor_is_qmp(cur_mon
);
330 void monitor_read_command(Monitor
*mon
, int show_prompt
)
335 readline_start(mon
->rs
, "(qemu) ", 0, monitor_command_cb
, NULL
);
337 readline_show_prompt(mon
->rs
);
340 int monitor_read_password(Monitor
*mon
, ReadLineFunc
*readline_func
,
344 readline_start(mon
->rs
, "Password: ", 1, readline_func
, opaque
);
345 /* prompt is printed on return from the command handler */
348 monitor_printf(mon
, "terminal does not support password prompting\n");
353 static void qmp_request_free(QMPRequest
*req
)
355 qobject_unref(req
->id
);
356 qobject_unref(req
->req
);
357 error_free(req
->err
);
361 /* Caller must hold mon->qmp.qmp_queue_lock */
362 static void monitor_qmp_cleanup_req_queue_locked(Monitor
*mon
)
364 while (!g_queue_is_empty(mon
->qmp
.qmp_requests
)) {
365 qmp_request_free(g_queue_pop_head(mon
->qmp
.qmp_requests
));
369 static void monitor_qmp_cleanup_queues(Monitor
*mon
)
371 qemu_mutex_lock(&mon
->qmp
.qmp_queue_lock
);
372 monitor_qmp_cleanup_req_queue_locked(mon
);
373 qemu_mutex_unlock(&mon
->qmp
.qmp_queue_lock
);
377 static void monitor_flush_locked(Monitor
*mon
);
379 static gboolean
monitor_unblocked(GIOChannel
*chan
, GIOCondition cond
,
382 Monitor
*mon
= opaque
;
384 qemu_mutex_lock(&mon
->mon_lock
);
386 monitor_flush_locked(mon
);
387 qemu_mutex_unlock(&mon
->mon_lock
);
391 /* Caller must hold mon->mon_lock */
392 static void monitor_flush_locked(Monitor
*mon
)
398 if (mon
->skip_flush
) {
402 buf
= qstring_get_str(mon
->outbuf
);
403 len
= qstring_get_length(mon
->outbuf
);
405 if (len
&& !mon
->mux_out
) {
406 rc
= qemu_chr_fe_write(&mon
->chr
, (const uint8_t *) buf
, len
);
407 if ((rc
< 0 && errno
!= EAGAIN
) || (rc
== len
)) {
408 /* all flushed or error */
409 qobject_unref(mon
->outbuf
);
410 mon
->outbuf
= qstring_new();
415 QString
*tmp
= qstring_from_str(buf
+ rc
);
416 qobject_unref(mon
->outbuf
);
419 if (mon
->out_watch
== 0) {
421 qemu_chr_fe_add_watch(&mon
->chr
, G_IO_OUT
| G_IO_HUP
,
422 monitor_unblocked
, mon
);
427 void monitor_flush(Monitor
*mon
)
429 qemu_mutex_lock(&mon
->mon_lock
);
430 monitor_flush_locked(mon
);
431 qemu_mutex_unlock(&mon
->mon_lock
);
434 /* flush at every end of line */
435 static void monitor_puts(Monitor
*mon
, const char *str
)
439 qemu_mutex_lock(&mon
->mon_lock
);
445 qstring_append_chr(mon
->outbuf
, '\r');
447 qstring_append_chr(mon
->outbuf
, c
);
449 monitor_flush_locked(mon
);
452 qemu_mutex_unlock(&mon
->mon_lock
);
455 void monitor_vprintf(Monitor
*mon
, const char *fmt
, va_list ap
)
462 if (monitor_is_qmp(mon
)) {
466 buf
= g_strdup_vprintf(fmt
, ap
);
467 monitor_puts(mon
, buf
);
471 void monitor_printf(Monitor
*mon
, const char *fmt
, ...)
475 monitor_vprintf(mon
, fmt
, ap
);
479 int monitor_fprintf(FILE *stream
, const char *fmt
, ...)
483 monitor_vprintf((Monitor
*)stream
, fmt
, ap
);
488 static void qmp_send_response(Monitor
*mon
, const QDict
*rsp
)
490 const QObject
*data
= QOBJECT(rsp
);
493 json
= mon
->flags
& MONITOR_USE_PRETTY
? qobject_to_json_pretty(data
) :
494 qobject_to_json(data
);
495 assert(json
!= NULL
);
497 qstring_append_chr(json
, '\n');
498 monitor_puts(mon
, qstring_get_str(json
));
503 static MonitorQAPIEventConf monitor_qapi_event_conf
[QAPI_EVENT__MAX
] = {
504 /* Limit guest-triggerable events to 1 per second */
505 [QAPI_EVENT_RTC_CHANGE
] = { 1000 * SCALE_MS
},
506 [QAPI_EVENT_WATCHDOG
] = { 1000 * SCALE_MS
},
507 [QAPI_EVENT_BALLOON_CHANGE
] = { 1000 * SCALE_MS
},
508 [QAPI_EVENT_QUORUM_REPORT_BAD
] = { 1000 * SCALE_MS
},
509 [QAPI_EVENT_QUORUM_FAILURE
] = { 1000 * SCALE_MS
},
510 [QAPI_EVENT_VSERPORT_CHANGE
] = { 1000 * SCALE_MS
},
514 * Broadcast an event to all monitors.
515 * @qdict is the event object. Its member "event" must match @event.
516 * Caller must hold monitor_lock.
518 static void monitor_qapi_event_emit(QAPIEvent event
, QDict
*qdict
)
522 trace_monitor_protocol_event_emit(event
, qdict
);
523 QTAILQ_FOREACH(mon
, &mon_list
, entry
) {
524 if (monitor_is_qmp(mon
)
525 && mon
->qmp
.commands
!= &qmp_cap_negotiation_commands
) {
526 qmp_send_response(mon
, qdict
);
531 static void monitor_qapi_event_handler(void *opaque
);
534 * Queue a new event for emission to Monitor instances,
535 * applying any rate limiting if required.
538 monitor_qapi_event_queue_no_reenter(QAPIEvent event
, QDict
*qdict
)
540 MonitorQAPIEventConf
*evconf
;
541 MonitorQAPIEventState
*evstate
;
543 assert(event
< QAPI_EVENT__MAX
);
544 evconf
= &monitor_qapi_event_conf
[event
];
545 trace_monitor_protocol_event_queue(event
, qdict
, evconf
->rate
);
547 qemu_mutex_lock(&monitor_lock
);
550 /* Unthrottled event */
551 monitor_qapi_event_emit(event
, qdict
);
553 QDict
*data
= qobject_to(QDict
, qdict_get(qdict
, "data"));
554 MonitorQAPIEventState key
= { .event
= event
, .data
= data
};
556 evstate
= g_hash_table_lookup(monitor_qapi_event_state
, &key
);
557 assert(!evstate
|| timer_pending(evstate
->timer
));
561 * Timer is pending for (at least) evconf->rate ns after
562 * last send. Store event for sending when timer fires,
563 * replacing a prior stored event if any.
565 qobject_unref(evstate
->qdict
);
566 evstate
->qdict
= qobject_ref(qdict
);
569 * Last send was (at least) evconf->rate ns ago.
570 * Send immediately, and arm the timer to call
571 * monitor_qapi_event_handler() in evconf->rate ns. Any
572 * events arriving before then will be delayed until then.
574 int64_t now
= qemu_clock_get_ns(monitor_get_event_clock());
576 monitor_qapi_event_emit(event
, qdict
);
578 evstate
= g_new(MonitorQAPIEventState
, 1);
579 evstate
->event
= event
;
580 evstate
->data
= qobject_ref(data
);
581 evstate
->qdict
= NULL
;
582 evstate
->timer
= timer_new_ns(monitor_get_event_clock(),
583 monitor_qapi_event_handler
,
585 g_hash_table_add(monitor_qapi_event_state
, evstate
);
586 timer_mod_ns(evstate
->timer
, now
+ evconf
->rate
);
590 qemu_mutex_unlock(&monitor_lock
);
593 void qapi_event_emit(QAPIEvent event
, QDict
*qdict
)
596 * monitor_qapi_event_queue_no_reenter() is not reentrant: it
597 * would deadlock on monitor_lock. Work around by queueing
598 * events in thread-local storage.
599 * TODO: remove this, make it re-enter safe.
601 typedef struct MonitorQapiEvent
{
604 QSIMPLEQ_ENTRY(MonitorQapiEvent
) entry
;
606 static __thread
QSIMPLEQ_HEAD(, MonitorQapiEvent
) event_queue
;
607 static __thread
bool reentered
;
608 MonitorQapiEvent
*ev
;
611 QSIMPLEQ_INIT(&event_queue
);
614 ev
= g_new(MonitorQapiEvent
, 1);
615 ev
->qdict
= qobject_ref(qdict
);
617 QSIMPLEQ_INSERT_TAIL(&event_queue
, ev
, entry
);
624 while ((ev
= QSIMPLEQ_FIRST(&event_queue
)) != NULL
) {
625 QSIMPLEQ_REMOVE_HEAD(&event_queue
, entry
);
626 monitor_qapi_event_queue_no_reenter(ev
->event
, ev
->qdict
);
627 qobject_unref(ev
->qdict
);
635 * This function runs evconf->rate ns after sending a throttled
637 * If another event has since been stored, send it.
639 static void monitor_qapi_event_handler(void *opaque
)
641 MonitorQAPIEventState
*evstate
= opaque
;
642 MonitorQAPIEventConf
*evconf
= &monitor_qapi_event_conf
[evstate
->event
];
644 trace_monitor_protocol_event_handler(evstate
->event
, evstate
->qdict
);
645 qemu_mutex_lock(&monitor_lock
);
647 if (evstate
->qdict
) {
648 int64_t now
= qemu_clock_get_ns(monitor_get_event_clock());
650 monitor_qapi_event_emit(evstate
->event
, evstate
->qdict
);
651 qobject_unref(evstate
->qdict
);
652 evstate
->qdict
= NULL
;
653 timer_mod_ns(evstate
->timer
, now
+ evconf
->rate
);
655 g_hash_table_remove(monitor_qapi_event_state
, evstate
);
656 qobject_unref(evstate
->data
);
657 timer_free(evstate
->timer
);
661 qemu_mutex_unlock(&monitor_lock
);
664 static unsigned int qapi_event_throttle_hash(const void *key
)
666 const MonitorQAPIEventState
*evstate
= key
;
667 unsigned int hash
= evstate
->event
* 255;
669 if (evstate
->event
== QAPI_EVENT_VSERPORT_CHANGE
) {
670 hash
+= g_str_hash(qdict_get_str(evstate
->data
, "id"));
673 if (evstate
->event
== QAPI_EVENT_QUORUM_REPORT_BAD
) {
674 hash
+= g_str_hash(qdict_get_str(evstate
->data
, "node-name"));
680 static gboolean
qapi_event_throttle_equal(const void *a
, const void *b
)
682 const MonitorQAPIEventState
*eva
= a
;
683 const MonitorQAPIEventState
*evb
= b
;
685 if (eva
->event
!= evb
->event
) {
689 if (eva
->event
== QAPI_EVENT_VSERPORT_CHANGE
) {
690 return !strcmp(qdict_get_str(eva
->data
, "id"),
691 qdict_get_str(evb
->data
, "id"));
694 if (eva
->event
== QAPI_EVENT_QUORUM_REPORT_BAD
) {
695 return !strcmp(qdict_get_str(eva
->data
, "node-name"),
696 qdict_get_str(evb
->data
, "node-name"));
702 static void monitor_qapi_event_init(void)
704 monitor_qapi_event_state
= g_hash_table_new(qapi_event_throttle_hash
,
705 qapi_event_throttle_equal
);
708 static void handle_hmp_command(Monitor
*mon
, const char *cmdline
);
710 static void monitor_iothread_init(void);
712 static void monitor_data_init(Monitor
*mon
, bool skip_flush
,
715 if (use_io_thread
&& !mon_iothread
) {
716 monitor_iothread_init();
718 memset(mon
, 0, sizeof(Monitor
));
719 qemu_mutex_init(&mon
->mon_lock
);
720 qemu_mutex_init(&mon
->qmp
.qmp_queue_lock
);
721 mon
->outbuf
= qstring_new();
722 /* Use *mon_cmds by default. */
723 mon
->cmd_table
= mon_cmds
;
724 mon
->skip_flush
= skip_flush
;
725 mon
->use_io_thread
= use_io_thread
;
726 mon
->qmp
.qmp_requests
= g_queue_new();
729 static void monitor_data_destroy(Monitor
*mon
)
731 g_free(mon
->mon_cpu_path
);
732 qemu_chr_fe_deinit(&mon
->chr
, false);
733 if (monitor_is_qmp(mon
)) {
734 json_message_parser_destroy(&mon
->qmp
.parser
);
736 readline_free(mon
->rs
);
737 qobject_unref(mon
->outbuf
);
738 qemu_mutex_destroy(&mon
->mon_lock
);
739 qemu_mutex_destroy(&mon
->qmp
.qmp_queue_lock
);
740 monitor_qmp_cleanup_req_queue_locked(mon
);
741 g_queue_free(mon
->qmp
.qmp_requests
);
744 char *qmp_human_monitor_command(const char *command_line
, bool has_cpu_index
,
745 int64_t cpu_index
, Error
**errp
)
748 Monitor
*old_mon
, hmp
;
750 monitor_data_init(&hmp
, true, false);
756 int ret
= monitor_set_cpu(cpu_index
);
759 error_setg(errp
, QERR_INVALID_PARAMETER_VALUE
, "cpu-index",
765 handle_hmp_command(&hmp
, command_line
);
768 qemu_mutex_lock(&hmp
.mon_lock
);
769 if (qstring_get_length(hmp
.outbuf
) > 0) {
770 output
= g_strdup(qstring_get_str(hmp
.outbuf
));
772 output
= g_strdup("");
774 qemu_mutex_unlock(&hmp
.mon_lock
);
777 monitor_data_destroy(&hmp
);
781 static int compare_cmd(const char *name
, const char *list
)
783 const char *p
, *pstart
;
789 p
= qemu_strchrnul(p
, '|');
790 if ((p
- pstart
) == len
&& !memcmp(pstart
, name
, len
))
799 static int get_str(char *buf
, int buf_size
, const char **pp
)
807 while (qemu_isspace(*p
)) {
818 while (*p
!= '\0' && *p
!= '\"') {
834 printf("unsupported escape code: '\\%c'\n", c
);
837 if ((q
- buf
) < buf_size
- 1) {
841 if ((q
- buf
) < buf_size
- 1) {
848 printf("unterminated string\n");
853 while (*p
!= '\0' && !qemu_isspace(*p
)) {
854 if ((q
- buf
) < buf_size
- 1) {
867 static void free_cmdline_args(char **args
, int nb_args
)
871 assert(nb_args
<= MAX_ARGS
);
873 for (i
= 0; i
< nb_args
; i
++) {
880 * Parse the command line to get valid args.
881 * @cmdline: command line to be parsed.
882 * @pnb_args: location to store the number of args, must NOT be NULL.
883 * @args: location to store the args, which should be freed by caller, must
886 * Returns 0 on success, negative on failure.
888 * NOTE: this parser is an approximate form of the real command parser. Number
889 * of args have a limit of MAX_ARGS. If cmdline contains more, it will
890 * return with failure.
892 static int parse_cmdline(const char *cmdline
,
893 int *pnb_args
, char **args
)
902 while (qemu_isspace(*p
)) {
908 if (nb_args
>= MAX_ARGS
) {
911 ret
= get_str(buf
, sizeof(buf
), &p
);
915 args
[nb_args
] = g_strdup(buf
);
922 free_cmdline_args(args
, nb_args
);
927 * Can command @cmd be executed in preconfig state?
929 static bool cmd_can_preconfig(const mon_cmd_t
*cmd
)
935 return strchr(cmd
->flags
, 'p');
938 static void help_cmd_dump_one(Monitor
*mon
,
939 const mon_cmd_t
*cmd
,
945 if (runstate_check(RUN_STATE_PRECONFIG
) && !cmd_can_preconfig(cmd
)) {
949 for (i
= 0; i
< prefix_args_nb
; i
++) {
950 monitor_printf(mon
, "%s ", prefix_args
[i
]);
952 monitor_printf(mon
, "%s %s -- %s\n", cmd
->name
, cmd
->params
, cmd
->help
);
955 /* @args[@arg_index] is the valid command need to find in @cmds */
956 static void help_cmd_dump(Monitor
*mon
, const mon_cmd_t
*cmds
,
957 char **args
, int nb_args
, int arg_index
)
959 const mon_cmd_t
*cmd
;
962 /* No valid arg need to compare with, dump all in *cmds */
963 if (arg_index
>= nb_args
) {
964 for (cmd
= cmds
; cmd
->name
!= NULL
; cmd
++) {
965 help_cmd_dump_one(mon
, cmd
, args
, arg_index
);
970 /* Find one entry to dump */
971 for (cmd
= cmds
; cmd
->name
!= NULL
; cmd
++) {
972 if (compare_cmd(args
[arg_index
], cmd
->name
) &&
973 ((!runstate_check(RUN_STATE_PRECONFIG
) ||
974 cmd_can_preconfig(cmd
)))) {
975 if (cmd
->sub_table
) {
976 /* continue with next arg */
977 help_cmd_dump(mon
, cmd
->sub_table
,
978 args
, nb_args
, arg_index
+ 1);
980 help_cmd_dump_one(mon
, cmd
, args
, arg_index
);
986 /* Command not found */
987 monitor_printf(mon
, "unknown command: '");
988 for (i
= 0; i
<= arg_index
; i
++) {
989 monitor_printf(mon
, "%s%s", args
[i
], i
== arg_index
? "'\n" : " ");
993 static void help_cmd(Monitor
*mon
, const char *name
)
995 char *args
[MAX_ARGS
];
998 /* 1. parse user input */
1000 /* special case for log, directly dump and return */
1001 if (!strcmp(name
, "log")) {
1002 const QEMULogItem
*item
;
1003 monitor_printf(mon
, "Log items (comma separated):\n");
1004 monitor_printf(mon
, "%-10s %s\n", "none", "remove all logs");
1005 for (item
= qemu_log_items
; item
->mask
!= 0; item
++) {
1006 monitor_printf(mon
, "%-10s %s\n", item
->name
, item
->help
);
1011 if (parse_cmdline(name
, &nb_args
, args
) < 0) {
1016 /* 2. dump the contents according to parsed args */
1017 help_cmd_dump(mon
, mon
->cmd_table
, args
, nb_args
, 0);
1019 free_cmdline_args(args
, nb_args
);
1022 static void do_help_cmd(Monitor
*mon
, const QDict
*qdict
)
1024 help_cmd(mon
, qdict_get_try_str(qdict
, "name"));
1027 static void hmp_trace_event(Monitor
*mon
, const QDict
*qdict
)
1029 const char *tp_name
= qdict_get_str(qdict
, "name");
1030 bool new_state
= qdict_get_bool(qdict
, "option");
1031 bool has_vcpu
= qdict_haskey(qdict
, "vcpu");
1032 int vcpu
= qdict_get_try_int(qdict
, "vcpu", 0);
1033 Error
*local_err
= NULL
;
1036 monitor_printf(mon
, "argument vcpu must be positive");
1040 qmp_trace_event_set_state(tp_name
, new_state
, true, true, has_vcpu
, vcpu
, &local_err
);
1042 error_report_err(local_err
);
1046 #ifdef CONFIG_TRACE_SIMPLE
1047 static void hmp_trace_file(Monitor
*mon
, const QDict
*qdict
)
1049 const char *op
= qdict_get_try_str(qdict
, "op");
1050 const char *arg
= qdict_get_try_str(qdict
, "arg");
1053 st_print_trace_file_status((FILE *)mon
, &monitor_fprintf
);
1054 } else if (!strcmp(op
, "on")) {
1055 st_set_trace_file_enabled(true);
1056 } else if (!strcmp(op
, "off")) {
1057 st_set_trace_file_enabled(false);
1058 } else if (!strcmp(op
, "flush")) {
1059 st_flush_trace_buffer();
1060 } else if (!strcmp(op
, "set")) {
1062 st_set_trace_file(arg
);
1065 monitor_printf(mon
, "unexpected argument \"%s\"\n", op
);
1066 help_cmd(mon
, "trace-file");
1071 static void hmp_info_help(Monitor
*mon
, const QDict
*qdict
)
1073 help_cmd(mon
, "info");
1076 static void query_commands_cb(QmpCommand
*cmd
, void *opaque
)
1078 CommandInfoList
*info
, **list
= opaque
;
1080 if (!cmd
->enabled
) {
1084 info
= g_malloc0(sizeof(*info
));
1085 info
->value
= g_malloc0(sizeof(*info
->value
));
1086 info
->value
->name
= g_strdup(cmd
->name
);
1091 CommandInfoList
*qmp_query_commands(Error
**errp
)
1093 CommandInfoList
*list
= NULL
;
1095 qmp_for_each_command(cur_mon
->qmp
.commands
, query_commands_cb
, &list
);
1100 EventInfoList
*qmp_query_events(Error
**errp
)
1102 EventInfoList
*info
, *ev_list
= NULL
;
1105 for (e
= 0 ; e
< QAPI_EVENT__MAX
; e
++) {
1106 const char *event_name
= QAPIEvent_str(e
);
1107 assert(event_name
!= NULL
);
1108 info
= g_malloc0(sizeof(*info
));
1109 info
->value
= g_malloc0(sizeof(*info
->value
));
1110 info
->value
->name
= g_strdup(event_name
);
1112 info
->next
= ev_list
;
1120 * Minor hack: generated marshalling suppressed for this command
1121 * ('gen': false in the schema) so we can parse the JSON string
1122 * directly into QObject instead of first parsing it with
1123 * visit_type_SchemaInfoList() into a SchemaInfoList, then marshal it
1124 * to QObject with generated output marshallers, every time. Instead,
1125 * we do it in test-qobject-input-visitor.c, just to make sure
1126 * qapi-gen.py's output actually conforms to the schema.
1128 static void qmp_query_qmp_schema(QDict
*qdict
, QObject
**ret_data
,
1131 *ret_data
= qobject_from_qlit(&qmp_schema_qlit
);
1134 static void monitor_init_qmp_commands(void)
1137 * Two command lists:
1138 * - qmp_commands contains all QMP commands
1139 * - qmp_cap_negotiation_commands contains just
1140 * "qmp_capabilities", to enforce capability negotiation
1143 qmp_init_marshal(&qmp_commands
);
1145 qmp_register_command(&qmp_commands
, "query-qmp-schema",
1146 qmp_query_qmp_schema
, QCO_ALLOW_PRECONFIG
);
1147 qmp_register_command(&qmp_commands
, "device_add", qmp_device_add
,
1149 qmp_register_command(&qmp_commands
, "netdev_add", qmp_netdev_add
,
1152 QTAILQ_INIT(&qmp_cap_negotiation_commands
);
1153 qmp_register_command(&qmp_cap_negotiation_commands
, "qmp_capabilities",
1154 qmp_marshal_qmp_capabilities
, QCO_ALLOW_PRECONFIG
);
1157 static bool qmp_oob_enabled(Monitor
*mon
)
1159 return mon
->qmp
.capab
[QMP_CAPABILITY_OOB
];
1162 static void monitor_qmp_caps_reset(Monitor
*mon
)
1164 memset(mon
->qmp
.capab_offered
, 0, sizeof(mon
->qmp
.capab_offered
));
1165 memset(mon
->qmp
.capab
, 0, sizeof(mon
->qmp
.capab
));
1166 mon
->qmp
.capab_offered
[QMP_CAPABILITY_OOB
] = mon
->use_io_thread
;
1170 * Accept QMP capabilities in @list for @mon.
1171 * On success, set mon->qmp.capab[], and return true.
1172 * On error, set @errp, and return false.
1174 static bool qmp_caps_accept(Monitor
*mon
, QMPCapabilityList
*list
,
1177 GString
*unavailable
= NULL
;
1178 bool capab
[QMP_CAPABILITY__MAX
];
1180 memset(capab
, 0, sizeof(capab
));
1182 for (; list
; list
= list
->next
) {
1183 if (!mon
->qmp
.capab_offered
[list
->value
]) {
1185 unavailable
= g_string_new(QMPCapability_str(list
->value
));
1187 g_string_append_printf(unavailable
, ", %s",
1188 QMPCapability_str(list
->value
));
1191 capab
[list
->value
] = true;
1195 error_setg(errp
, "Capability %s not available", unavailable
->str
);
1196 g_string_free(unavailable
, true);
1200 memcpy(mon
->qmp
.capab
, capab
, sizeof(capab
));
1204 void qmp_qmp_capabilities(bool has_enable
, QMPCapabilityList
*enable
,
1207 if (cur_mon
->qmp
.commands
== &qmp_commands
) {
1208 error_set(errp
, ERROR_CLASS_COMMAND_NOT_FOUND
,
1209 "Capabilities negotiation is already complete, command "
1214 if (!qmp_caps_accept(cur_mon
, enable
, errp
)) {
1218 cur_mon
->qmp
.commands
= &qmp_commands
;
1221 /* Set the current CPU defined by the user. Callers must hold BQL. */
1222 int monitor_set_cpu(int cpu_index
)
1226 cpu
= qemu_get_cpu(cpu_index
);
1230 g_free(cur_mon
->mon_cpu_path
);
1231 cur_mon
->mon_cpu_path
= object_get_canonical_path(OBJECT(cpu
));
1235 /* Callers must hold BQL. */
1236 static CPUState
*mon_get_cpu_sync(bool synchronize
)
1240 if (cur_mon
->mon_cpu_path
) {
1241 cpu
= (CPUState
*) object_resolve_path_type(cur_mon
->mon_cpu_path
,
1244 g_free(cur_mon
->mon_cpu_path
);
1245 cur_mon
->mon_cpu_path
= NULL
;
1248 if (!cur_mon
->mon_cpu_path
) {
1252 monitor_set_cpu(first_cpu
->cpu_index
);
1256 cpu_synchronize_state(cpu
);
1261 CPUState
*mon_get_cpu(void)
1263 return mon_get_cpu_sync(true);
1266 CPUArchState
*mon_get_cpu_env(void)
1268 CPUState
*cs
= mon_get_cpu();
1270 return cs
? cs
->env_ptr
: NULL
;
1273 int monitor_get_cpu_index(void)
1275 CPUState
*cs
= mon_get_cpu_sync(false);
1277 return cs
? cs
->cpu_index
: UNASSIGNED_CPU_INDEX
;
1280 static void hmp_info_registers(Monitor
*mon
, const QDict
*qdict
)
1282 bool all_cpus
= qdict_get_try_bool(qdict
, "cpustate_all", false);
1287 monitor_printf(mon
, "\nCPU#%d\n", cs
->cpu_index
);
1288 cpu_dump_state(cs
, (FILE *)mon
, monitor_fprintf
, CPU_DUMP_FPU
);
1294 monitor_printf(mon
, "No CPU available\n");
1298 cpu_dump_state(cs
, (FILE *)mon
, monitor_fprintf
, CPU_DUMP_FPU
);
1303 static void hmp_info_jit(Monitor
*mon
, const QDict
*qdict
)
1305 if (!tcg_enabled()) {
1306 error_report("JIT information is only available with accel=tcg");
1310 dump_exec_info((FILE *)mon
, monitor_fprintf
);
1311 dump_drift_info((FILE *)mon
, monitor_fprintf
);
1314 static void hmp_info_opcount(Monitor
*mon
, const QDict
*qdict
)
1316 dump_opcount_info((FILE *)mon
, monitor_fprintf
);
1320 static void hmp_info_sync_profile(Monitor
*mon
, const QDict
*qdict
)
1322 int64_t max
= qdict_get_try_int(qdict
, "max", 10);
1323 bool mean
= qdict_get_try_bool(qdict
, "mean", false);
1324 bool coalesce
= !qdict_get_try_bool(qdict
, "no_coalesce", false);
1325 enum QSPSortBy sort_by
;
1327 sort_by
= mean
? QSP_SORT_BY_AVG_WAIT_TIME
: QSP_SORT_BY_TOTAL_WAIT_TIME
;
1328 qsp_report((FILE *)mon
, monitor_fprintf
, max
, sort_by
, coalesce
);
1331 static void hmp_info_history(Monitor
*mon
, const QDict
*qdict
)
1340 str
= readline_get_history(mon
->rs
, i
);
1343 monitor_printf(mon
, "%d: '%s'\n", i
, str
);
1348 static void hmp_info_cpustats(Monitor
*mon
, const QDict
*qdict
)
1350 CPUState
*cs
= mon_get_cpu();
1353 monitor_printf(mon
, "No CPU available\n");
1356 cpu_dump_statistics(cs
, (FILE *)mon
, &monitor_fprintf
, 0);
1359 static void hmp_info_trace_events(Monitor
*mon
, const QDict
*qdict
)
1361 const char *name
= qdict_get_try_str(qdict
, "name");
1362 bool has_vcpu
= qdict_haskey(qdict
, "vcpu");
1363 int vcpu
= qdict_get_try_int(qdict
, "vcpu", 0);
1364 TraceEventInfoList
*events
;
1365 TraceEventInfoList
*elem
;
1366 Error
*local_err
= NULL
;
1372 monitor_printf(mon
, "argument vcpu must be positive");
1376 events
= qmp_trace_event_get_state(name
, has_vcpu
, vcpu
, &local_err
);
1378 error_report_err(local_err
);
1382 for (elem
= events
; elem
!= NULL
; elem
= elem
->next
) {
1383 monitor_printf(mon
, "%s : state %u\n",
1385 elem
->value
->state
== TRACE_EVENT_STATE_ENABLED
? 1 : 0);
1387 qapi_free_TraceEventInfoList(events
);
1390 void qmp_client_migrate_info(const char *protocol
, const char *hostname
,
1391 bool has_port
, int64_t port
,
1392 bool has_tls_port
, int64_t tls_port
,
1393 bool has_cert_subject
, const char *cert_subject
,
1396 if (strcmp(protocol
, "spice") == 0) {
1397 if (!qemu_using_spice(errp
)) {
1401 if (!has_port
&& !has_tls_port
) {
1402 error_setg(errp
, QERR_MISSING_PARAMETER
, "port/tls-port");
1406 if (qemu_spice_migrate_info(hostname
,
1407 has_port
? port
: -1,
1408 has_tls_port
? tls_port
: -1,
1410 error_setg(errp
, QERR_UNDEFINED_ERROR
);
1416 error_setg(errp
, QERR_INVALID_PARAMETER_VALUE
, "protocol", "spice");
1419 static void hmp_logfile(Monitor
*mon
, const QDict
*qdict
)
1423 qemu_set_log_filename(qdict_get_str(qdict
, "filename"), &err
);
1425 error_report_err(err
);
1429 static void hmp_log(Monitor
*mon
, const QDict
*qdict
)
1432 const char *items
= qdict_get_str(qdict
, "items");
1434 if (!strcmp(items
, "none")) {
1437 mask
= qemu_str_to_log_mask(items
);
1439 help_cmd(mon
, "log");
1446 static void hmp_singlestep(Monitor
*mon
, const QDict
*qdict
)
1448 const char *option
= qdict_get_try_str(qdict
, "option");
1449 if (!option
|| !strcmp(option
, "on")) {
1451 } else if (!strcmp(option
, "off")) {
1454 monitor_printf(mon
, "unexpected option %s\n", option
);
1458 static void hmp_gdbserver(Monitor
*mon
, const QDict
*qdict
)
1460 const char *device
= qdict_get_try_str(qdict
, "device");
1462 device
= "tcp::" DEFAULT_GDBSTUB_PORT
;
1463 if (gdbserver_start(device
) < 0) {
1464 monitor_printf(mon
, "Could not open gdbserver on device '%s'\n",
1466 } else if (strcmp(device
, "none") == 0) {
1467 monitor_printf(mon
, "Disabled gdbserver\n");
1469 monitor_printf(mon
, "Waiting for gdb connection on device '%s'\n",
1474 static void hmp_watchdog_action(Monitor
*mon
, const QDict
*qdict
)
1476 const char *action
= qdict_get_str(qdict
, "action");
1477 if (select_watchdog_action(action
) == -1) {
1478 monitor_printf(mon
, "Unknown watchdog action '%s'\n", action
);
1482 static void monitor_printc(Monitor
*mon
, int c
)
1484 monitor_printf(mon
, "'");
1487 monitor_printf(mon
, "\\'");
1490 monitor_printf(mon
, "\\\\");
1493 monitor_printf(mon
, "\\n");
1496 monitor_printf(mon
, "\\r");
1499 if (c
>= 32 && c
<= 126) {
1500 monitor_printf(mon
, "%c", c
);
1502 monitor_printf(mon
, "\\x%02x", c
);
1506 monitor_printf(mon
, "'");
1509 static void memory_dump(Monitor
*mon
, int count
, int format
, int wsize
,
1510 hwaddr addr
, int is_physical
)
1512 int l
, line_size
, i
, max_digits
, len
;
1515 CPUState
*cs
= mon_get_cpu();
1517 if (!cs
&& (format
== 'i' || !is_physical
)) {
1518 monitor_printf(mon
, "Can not dump without CPU\n");
1522 if (format
== 'i') {
1523 monitor_disas(mon
, cs
, addr
, count
, is_physical
);
1527 len
= wsize
* count
;
1536 max_digits
= DIV_ROUND_UP(wsize
* 8, 3);
1540 max_digits
= (wsize
* 8) / 4;
1544 max_digits
= DIV_ROUND_UP(wsize
* 8 * 10, 33);
1553 monitor_printf(mon
, TARGET_FMT_plx
":", addr
);
1555 monitor_printf(mon
, TARGET_FMT_lx
":", (target_ulong
)addr
);
1560 AddressSpace
*as
= cs
? cs
->as
: &address_space_memory
;
1561 MemTxResult r
= address_space_read(as
, addr
,
1562 MEMTXATTRS_UNSPECIFIED
, buf
, l
);
1563 if (r
!= MEMTX_OK
) {
1564 monitor_printf(mon
, " Cannot access memory\n");
1568 if (cpu_memory_rw_debug(cs
, addr
, buf
, l
, 0) < 0) {
1569 monitor_printf(mon
, " Cannot access memory\n");
1578 v
= ldub_p(buf
+ i
);
1581 v
= lduw_p(buf
+ i
);
1584 v
= (uint32_t)ldl_p(buf
+ i
);
1590 monitor_printf(mon
, " ");
1593 monitor_printf(mon
, "%#*" PRIo64
, max_digits
, v
);
1596 monitor_printf(mon
, "0x%0*" PRIx64
, max_digits
, v
);
1599 monitor_printf(mon
, "%*" PRIu64
, max_digits
, v
);
1602 monitor_printf(mon
, "%*" PRId64
, max_digits
, v
);
1605 monitor_printc(mon
, v
);
1610 monitor_printf(mon
, "\n");
1616 static void hmp_memory_dump(Monitor
*mon
, const QDict
*qdict
)
1618 int count
= qdict_get_int(qdict
, "count");
1619 int format
= qdict_get_int(qdict
, "format");
1620 int size
= qdict_get_int(qdict
, "size");
1621 target_long addr
= qdict_get_int(qdict
, "addr");
1623 memory_dump(mon
, count
, format
, size
, addr
, 0);
1626 static void hmp_physical_memory_dump(Monitor
*mon
, const QDict
*qdict
)
1628 int count
= qdict_get_int(qdict
, "count");
1629 int format
= qdict_get_int(qdict
, "format");
1630 int size
= qdict_get_int(qdict
, "size");
1631 hwaddr addr
= qdict_get_int(qdict
, "addr");
1633 memory_dump(mon
, count
, format
, size
, addr
, 1);
1636 static void *gpa2hva(MemoryRegion
**p_mr
, hwaddr addr
, Error
**errp
)
1638 MemoryRegionSection mrs
= memory_region_find(get_system_memory(),
1642 error_setg(errp
, "No memory is mapped at address 0x%" HWADDR_PRIx
, addr
);
1646 if (!memory_region_is_ram(mrs
.mr
) && !memory_region_is_romd(mrs
.mr
)) {
1647 error_setg(errp
, "Memory at address 0x%" HWADDR_PRIx
"is not RAM", addr
);
1648 memory_region_unref(mrs
.mr
);
1653 return qemu_map_ram_ptr(mrs
.mr
->ram_block
, mrs
.offset_within_region
);
1656 static void hmp_gpa2hva(Monitor
*mon
, const QDict
*qdict
)
1658 hwaddr addr
= qdict_get_int(qdict
, "addr");
1659 Error
*local_err
= NULL
;
1660 MemoryRegion
*mr
= NULL
;
1663 ptr
= gpa2hva(&mr
, addr
, &local_err
);
1665 error_report_err(local_err
);
1669 monitor_printf(mon
, "Host virtual address for 0x%" HWADDR_PRIx
1671 addr
, mr
->name
, ptr
);
1673 memory_region_unref(mr
);
1677 static uint64_t vtop(void *ptr
, Error
**errp
)
1681 uintptr_t addr
= (uintptr_t) ptr
;
1682 uintptr_t pagesize
= getpagesize();
1683 off_t offset
= addr
/ pagesize
* sizeof(pinfo
);
1686 fd
= open("/proc/self/pagemap", O_RDONLY
);
1688 error_setg_errno(errp
, errno
, "Cannot open /proc/self/pagemap");
1692 /* Force copy-on-write if necessary. */
1693 atomic_add((uint8_t *)ptr
, 0);
1695 if (pread(fd
, &pinfo
, sizeof(pinfo
), offset
) != sizeof(pinfo
)) {
1696 error_setg_errno(errp
, errno
, "Cannot read pagemap");
1699 if ((pinfo
& (1ull << 63)) == 0) {
1700 error_setg(errp
, "Page not present");
1703 ret
= ((pinfo
& 0x007fffffffffffffull
) * pagesize
) | (addr
& (pagesize
- 1));
1710 static void hmp_gpa2hpa(Monitor
*mon
, const QDict
*qdict
)
1712 hwaddr addr
= qdict_get_int(qdict
, "addr");
1713 Error
*local_err
= NULL
;
1714 MemoryRegion
*mr
= NULL
;
1718 ptr
= gpa2hva(&mr
, addr
, &local_err
);
1720 error_report_err(local_err
);
1724 physaddr
= vtop(ptr
, &local_err
);
1726 error_report_err(local_err
);
1728 monitor_printf(mon
, "Host physical address for 0x%" HWADDR_PRIx
1729 " (%s) is 0x%" PRIx64
"\n",
1730 addr
, mr
->name
, (uint64_t) physaddr
);
1733 memory_region_unref(mr
);
1737 static void do_print(Monitor
*mon
, const QDict
*qdict
)
1739 int format
= qdict_get_int(qdict
, "format");
1740 hwaddr val
= qdict_get_int(qdict
, "val");
1744 monitor_printf(mon
, "%#" HWADDR_PRIo
, val
);
1747 monitor_printf(mon
, "%#" HWADDR_PRIx
, val
);
1750 monitor_printf(mon
, "%" HWADDR_PRIu
, val
);
1754 monitor_printf(mon
, "%" HWADDR_PRId
, val
);
1757 monitor_printc(mon
, val
);
1760 monitor_printf(mon
, "\n");
1763 static void hmp_sum(Monitor
*mon
, const QDict
*qdict
)
1767 uint32_t start
= qdict_get_int(qdict
, "start");
1768 uint32_t size
= qdict_get_int(qdict
, "size");
1771 for(addr
= start
; addr
< (start
+ size
); addr
++) {
1772 uint8_t val
= address_space_ldub(&address_space_memory
, addr
,
1773 MEMTXATTRS_UNSPECIFIED
, NULL
);
1774 /* BSD sum algorithm ('sum' Unix command) */
1775 sum
= (sum
>> 1) | (sum
<< 15);
1778 monitor_printf(mon
, "%05d\n", sum
);
1781 static int mouse_button_state
;
1783 static void hmp_mouse_move(Monitor
*mon
, const QDict
*qdict
)
1785 int dx
, dy
, dz
, button
;
1786 const char *dx_str
= qdict_get_str(qdict
, "dx_str");
1787 const char *dy_str
= qdict_get_str(qdict
, "dy_str");
1788 const char *dz_str
= qdict_get_try_str(qdict
, "dz_str");
1790 dx
= strtol(dx_str
, NULL
, 0);
1791 dy
= strtol(dy_str
, NULL
, 0);
1792 qemu_input_queue_rel(NULL
, INPUT_AXIS_X
, dx
);
1793 qemu_input_queue_rel(NULL
, INPUT_AXIS_Y
, dy
);
1796 dz
= strtol(dz_str
, NULL
, 0);
1798 button
= (dz
> 0) ? INPUT_BUTTON_WHEEL_UP
: INPUT_BUTTON_WHEEL_DOWN
;
1799 qemu_input_queue_btn(NULL
, button
, true);
1800 qemu_input_event_sync();
1801 qemu_input_queue_btn(NULL
, button
, false);
1804 qemu_input_event_sync();
1807 static void hmp_mouse_button(Monitor
*mon
, const QDict
*qdict
)
1809 static uint32_t bmap
[INPUT_BUTTON__MAX
] = {
1810 [INPUT_BUTTON_LEFT
] = MOUSE_EVENT_LBUTTON
,
1811 [INPUT_BUTTON_MIDDLE
] = MOUSE_EVENT_MBUTTON
,
1812 [INPUT_BUTTON_RIGHT
] = MOUSE_EVENT_RBUTTON
,
1814 int button_state
= qdict_get_int(qdict
, "button_state");
1816 if (mouse_button_state
== button_state
) {
1819 qemu_input_update_buttons(NULL
, bmap
, mouse_button_state
, button_state
);
1820 qemu_input_event_sync();
1821 mouse_button_state
= button_state
;
1824 static void hmp_ioport_read(Monitor
*mon
, const QDict
*qdict
)
1826 int size
= qdict_get_int(qdict
, "size");
1827 int addr
= qdict_get_int(qdict
, "addr");
1828 int has_index
= qdict_haskey(qdict
, "index");
1833 int index
= qdict_get_int(qdict
, "index");
1834 cpu_outb(addr
& IOPORTS_MASK
, index
& 0xff);
1842 val
= cpu_inb(addr
);
1846 val
= cpu_inw(addr
);
1850 val
= cpu_inl(addr
);
1854 monitor_printf(mon
, "port%c[0x%04x] = %#0*x\n",
1855 suffix
, addr
, size
* 2, val
);
1858 static void hmp_ioport_write(Monitor
*mon
, const QDict
*qdict
)
1860 int size
= qdict_get_int(qdict
, "size");
1861 int addr
= qdict_get_int(qdict
, "addr");
1862 int val
= qdict_get_int(qdict
, "val");
1864 addr
&= IOPORTS_MASK
;
1869 cpu_outb(addr
, val
);
1872 cpu_outw(addr
, val
);
1875 cpu_outl(addr
, val
);
1880 static void hmp_boot_set(Monitor
*mon
, const QDict
*qdict
)
1882 Error
*local_err
= NULL
;
1883 const char *bootdevice
= qdict_get_str(qdict
, "bootdevice");
1885 qemu_boot_set(bootdevice
, &local_err
);
1887 error_report_err(local_err
);
1889 monitor_printf(mon
, "boot device list now set to %s\n", bootdevice
);
1893 static void hmp_info_mtree(Monitor
*mon
, const QDict
*qdict
)
1895 bool flatview
= qdict_get_try_bool(qdict
, "flatview", false);
1896 bool dispatch_tree
= qdict_get_try_bool(qdict
, "dispatch_tree", false);
1897 bool owner
= qdict_get_try_bool(qdict
, "owner", false);
1899 mtree_info((fprintf_function
)monitor_printf
, mon
, flatview
, dispatch_tree
,
1903 static void hmp_info_numa(Monitor
*mon
, const QDict
*qdict
)
1906 NumaNodeMem
*node_mem
;
1907 CpuInfoList
*cpu_list
, *cpu
;
1909 cpu_list
= qmp_query_cpus(&error_abort
);
1910 node_mem
= g_new0(NumaNodeMem
, nb_numa_nodes
);
1912 query_numa_node_mem(node_mem
);
1913 monitor_printf(mon
, "%d nodes\n", nb_numa_nodes
);
1914 for (i
= 0; i
< nb_numa_nodes
; i
++) {
1915 monitor_printf(mon
, "node %d cpus:", i
);
1916 for (cpu
= cpu_list
; cpu
; cpu
= cpu
->next
) {
1917 if (cpu
->value
->has_props
&& cpu
->value
->props
->has_node_id
&&
1918 cpu
->value
->props
->node_id
== i
) {
1919 monitor_printf(mon
, " %" PRIi64
, cpu
->value
->CPU
);
1922 monitor_printf(mon
, "\n");
1923 monitor_printf(mon
, "node %d size: %" PRId64
" MB\n", i
,
1924 node_mem
[i
].node_mem
>> 20);
1925 monitor_printf(mon
, "node %d plugged: %" PRId64
" MB\n", i
,
1926 node_mem
[i
].node_plugged_mem
>> 20);
1928 qapi_free_CpuInfoList(cpu_list
);
1932 #ifdef CONFIG_PROFILER
1936 static void hmp_info_profile(Monitor
*mon
, const QDict
*qdict
)
1938 static int64_t last_cpu_exec_time
;
1939 int64_t cpu_exec_time
;
1942 cpu_exec_time
= tcg_cpu_exec_time();
1943 delta
= cpu_exec_time
- last_cpu_exec_time
;
1945 monitor_printf(mon
, "async time %" PRId64
" (%0.3f)\n",
1946 dev_time
, dev_time
/ (double)NANOSECONDS_PER_SECOND
);
1947 monitor_printf(mon
, "qemu time %" PRId64
" (%0.3f)\n",
1948 delta
, delta
/ (double)NANOSECONDS_PER_SECOND
);
1949 last_cpu_exec_time
= cpu_exec_time
;
1953 static void hmp_info_profile(Monitor
*mon
, const QDict
*qdict
)
1955 monitor_printf(mon
, "Internal profiler not compiled\n");
1959 /* Capture support */
1960 static QLIST_HEAD (capture_list_head
, CaptureState
) capture_head
;
1962 static void hmp_info_capture(Monitor
*mon
, const QDict
*qdict
)
1967 for (s
= capture_head
.lh_first
, i
= 0; s
; s
= s
->entries
.le_next
, ++i
) {
1968 monitor_printf(mon
, "[%d]: ", i
);
1969 s
->ops
.info (s
->opaque
);
1973 static void hmp_stopcapture(Monitor
*mon
, const QDict
*qdict
)
1976 int n
= qdict_get_int(qdict
, "n");
1979 for (s
= capture_head
.lh_first
, i
= 0; s
; s
= s
->entries
.le_next
, ++i
) {
1981 s
->ops
.destroy (s
->opaque
);
1982 QLIST_REMOVE (s
, entries
);
1989 static void hmp_wavcapture(Monitor
*mon
, const QDict
*qdict
)
1991 const char *path
= qdict_get_str(qdict
, "path");
1992 int has_freq
= qdict_haskey(qdict
, "freq");
1993 int freq
= qdict_get_try_int(qdict
, "freq", -1);
1994 int has_bits
= qdict_haskey(qdict
, "bits");
1995 int bits
= qdict_get_try_int(qdict
, "bits", -1);
1996 int has_channels
= qdict_haskey(qdict
, "nchannels");
1997 int nchannels
= qdict_get_try_int(qdict
, "nchannels", -1);
2000 s
= g_malloc0 (sizeof (*s
));
2002 freq
= has_freq
? freq
: 44100;
2003 bits
= has_bits
? bits
: 16;
2004 nchannels
= has_channels
? nchannels
: 2;
2006 if (wav_start_capture (s
, path
, freq
, bits
, nchannels
)) {
2007 monitor_printf(mon
, "Failed to add wave capture\n");
2011 QLIST_INSERT_HEAD (&capture_head
, s
, entries
);
2014 static qemu_acl
*find_acl(Monitor
*mon
, const char *name
)
2016 qemu_acl
*acl
= qemu_acl_find(name
);
2019 monitor_printf(mon
, "acl: unknown list '%s'\n", name
);
2024 static void hmp_acl_show(Monitor
*mon
, const QDict
*qdict
)
2026 const char *aclname
= qdict_get_str(qdict
, "aclname");
2027 qemu_acl
*acl
= find_acl(mon
, aclname
);
2028 qemu_acl_entry
*entry
;
2032 monitor_printf(mon
, "policy: %s\n",
2033 acl
->defaultDeny
? "deny" : "allow");
2034 QTAILQ_FOREACH(entry
, &acl
->entries
, next
) {
2036 monitor_printf(mon
, "%d: %s %s\n", i
,
2037 entry
->deny
? "deny" : "allow", entry
->match
);
2042 static void hmp_acl_reset(Monitor
*mon
, const QDict
*qdict
)
2044 const char *aclname
= qdict_get_str(qdict
, "aclname");
2045 qemu_acl
*acl
= find_acl(mon
, aclname
);
2048 qemu_acl_reset(acl
);
2049 monitor_printf(mon
, "acl: removed all rules\n");
2053 static void hmp_acl_policy(Monitor
*mon
, const QDict
*qdict
)
2055 const char *aclname
= qdict_get_str(qdict
, "aclname");
2056 const char *policy
= qdict_get_str(qdict
, "policy");
2057 qemu_acl
*acl
= find_acl(mon
, aclname
);
2060 if (strcmp(policy
, "allow") == 0) {
2061 acl
->defaultDeny
= 0;
2062 monitor_printf(mon
, "acl: policy set to 'allow'\n");
2063 } else if (strcmp(policy
, "deny") == 0) {
2064 acl
->defaultDeny
= 1;
2065 monitor_printf(mon
, "acl: policy set to 'deny'\n");
2067 monitor_printf(mon
, "acl: unknown policy '%s', "
2068 "expected 'deny' or 'allow'\n", policy
);
2073 static void hmp_acl_add(Monitor
*mon
, const QDict
*qdict
)
2075 const char *aclname
= qdict_get_str(qdict
, "aclname");
2076 const char *match
= qdict_get_str(qdict
, "match");
2077 const char *policy
= qdict_get_str(qdict
, "policy");
2078 int has_index
= qdict_haskey(qdict
, "index");
2079 int index
= qdict_get_try_int(qdict
, "index", -1);
2080 qemu_acl
*acl
= find_acl(mon
, aclname
);
2084 if (strcmp(policy
, "allow") == 0) {
2086 } else if (strcmp(policy
, "deny") == 0) {
2089 monitor_printf(mon
, "acl: unknown policy '%s', "
2090 "expected 'deny' or 'allow'\n", policy
);
2094 ret
= qemu_acl_insert(acl
, deny
, match
, index
);
2096 ret
= qemu_acl_append(acl
, deny
, match
);
2098 monitor_printf(mon
, "acl: unable to add acl entry\n");
2100 monitor_printf(mon
, "acl: added rule at position %d\n", ret
);
2104 static void hmp_acl_remove(Monitor
*mon
, const QDict
*qdict
)
2106 const char *aclname
= qdict_get_str(qdict
, "aclname");
2107 const char *match
= qdict_get_str(qdict
, "match");
2108 qemu_acl
*acl
= find_acl(mon
, aclname
);
2112 ret
= qemu_acl_remove(acl
, match
);
2114 monitor_printf(mon
, "acl: no matching acl entry\n");
2116 monitor_printf(mon
, "acl: removed rule at position %d\n", ret
);
2120 void qmp_getfd(const char *fdname
, Error
**errp
)
2125 fd
= qemu_chr_fe_get_msgfd(&cur_mon
->chr
);
2127 error_setg(errp
, QERR_FD_NOT_SUPPLIED
);
2131 if (qemu_isdigit(fdname
[0])) {
2133 error_setg(errp
, QERR_INVALID_PARAMETER_VALUE
, "fdname",
2134 "a name not starting with a digit");
2138 qemu_mutex_lock(&cur_mon
->mon_lock
);
2139 QLIST_FOREACH(monfd
, &cur_mon
->fds
, next
) {
2140 if (strcmp(monfd
->name
, fdname
) != 0) {
2146 qemu_mutex_unlock(&cur_mon
->mon_lock
);
2147 /* Make sure close() is outside critical section */
2152 monfd
= g_malloc0(sizeof(mon_fd_t
));
2153 monfd
->name
= g_strdup(fdname
);
2156 QLIST_INSERT_HEAD(&cur_mon
->fds
, monfd
, next
);
2157 qemu_mutex_unlock(&cur_mon
->mon_lock
);
2160 void qmp_closefd(const char *fdname
, Error
**errp
)
2165 qemu_mutex_lock(&cur_mon
->mon_lock
);
2166 QLIST_FOREACH(monfd
, &cur_mon
->fds
, next
) {
2167 if (strcmp(monfd
->name
, fdname
) != 0) {
2171 QLIST_REMOVE(monfd
, next
);
2173 g_free(monfd
->name
);
2175 qemu_mutex_unlock(&cur_mon
->mon_lock
);
2176 /* Make sure close() is outside critical section */
2181 qemu_mutex_unlock(&cur_mon
->mon_lock
);
2182 error_setg(errp
, QERR_FD_NOT_FOUND
, fdname
);
2185 int monitor_get_fd(Monitor
*mon
, const char *fdname
, Error
**errp
)
2189 qemu_mutex_lock(&mon
->mon_lock
);
2190 QLIST_FOREACH(monfd
, &mon
->fds
, next
) {
2193 if (strcmp(monfd
->name
, fdname
) != 0) {
2199 /* caller takes ownership of fd */
2200 QLIST_REMOVE(monfd
, next
);
2201 g_free(monfd
->name
);
2203 qemu_mutex_unlock(&mon
->mon_lock
);
2208 qemu_mutex_unlock(&mon
->mon_lock
);
2209 error_setg(errp
, "File descriptor named '%s' has not been found", fdname
);
2213 static void monitor_fdset_cleanup(MonFdset
*mon_fdset
)
2215 MonFdsetFd
*mon_fdset_fd
;
2216 MonFdsetFd
*mon_fdset_fd_next
;
2218 QLIST_FOREACH_SAFE(mon_fdset_fd
, &mon_fdset
->fds
, next
, mon_fdset_fd_next
) {
2219 if ((mon_fdset_fd
->removed
||
2220 (QLIST_EMPTY(&mon_fdset
->dup_fds
) && mon_refcount
== 0)) &&
2221 runstate_is_running()) {
2222 close(mon_fdset_fd
->fd
);
2223 g_free(mon_fdset_fd
->opaque
);
2224 QLIST_REMOVE(mon_fdset_fd
, next
);
2225 g_free(mon_fdset_fd
);
2229 if (QLIST_EMPTY(&mon_fdset
->fds
) && QLIST_EMPTY(&mon_fdset
->dup_fds
)) {
2230 QLIST_REMOVE(mon_fdset
, next
);
2235 static void monitor_fdsets_cleanup(void)
2237 MonFdset
*mon_fdset
;
2238 MonFdset
*mon_fdset_next
;
2240 qemu_mutex_lock(&mon_fdsets_lock
);
2241 QLIST_FOREACH_SAFE(mon_fdset
, &mon_fdsets
, next
, mon_fdset_next
) {
2242 monitor_fdset_cleanup(mon_fdset
);
2244 qemu_mutex_unlock(&mon_fdsets_lock
);
2247 AddfdInfo
*qmp_add_fd(bool has_fdset_id
, int64_t fdset_id
, bool has_opaque
,
2248 const char *opaque
, Error
**errp
)
2251 Monitor
*mon
= cur_mon
;
2254 fd
= qemu_chr_fe_get_msgfd(&mon
->chr
);
2256 error_setg(errp
, QERR_FD_NOT_SUPPLIED
);
2260 fdinfo
= monitor_fdset_add_fd(fd
, has_fdset_id
, fdset_id
,
2261 has_opaque
, opaque
, errp
);
2273 void qmp_remove_fd(int64_t fdset_id
, bool has_fd
, int64_t fd
, Error
**errp
)
2275 MonFdset
*mon_fdset
;
2276 MonFdsetFd
*mon_fdset_fd
;
2279 qemu_mutex_lock(&mon_fdsets_lock
);
2280 QLIST_FOREACH(mon_fdset
, &mon_fdsets
, next
) {
2281 if (mon_fdset
->id
!= fdset_id
) {
2284 QLIST_FOREACH(mon_fdset_fd
, &mon_fdset
->fds
, next
) {
2286 if (mon_fdset_fd
->fd
!= fd
) {
2289 mon_fdset_fd
->removed
= true;
2292 mon_fdset_fd
->removed
= true;
2295 if (has_fd
&& !mon_fdset_fd
) {
2298 monitor_fdset_cleanup(mon_fdset
);
2299 qemu_mutex_unlock(&mon_fdsets_lock
);
2304 qemu_mutex_unlock(&mon_fdsets_lock
);
2306 snprintf(fd_str
, sizeof(fd_str
), "fdset-id:%" PRId64
", fd:%" PRId64
,
2309 snprintf(fd_str
, sizeof(fd_str
), "fdset-id:%" PRId64
, fdset_id
);
2311 error_setg(errp
, QERR_FD_NOT_FOUND
, fd_str
);
2314 FdsetInfoList
*qmp_query_fdsets(Error
**errp
)
2316 MonFdset
*mon_fdset
;
2317 MonFdsetFd
*mon_fdset_fd
;
2318 FdsetInfoList
*fdset_list
= NULL
;
2320 qemu_mutex_lock(&mon_fdsets_lock
);
2321 QLIST_FOREACH(mon_fdset
, &mon_fdsets
, next
) {
2322 FdsetInfoList
*fdset_info
= g_malloc0(sizeof(*fdset_info
));
2323 FdsetFdInfoList
*fdsetfd_list
= NULL
;
2325 fdset_info
->value
= g_malloc0(sizeof(*fdset_info
->value
));
2326 fdset_info
->value
->fdset_id
= mon_fdset
->id
;
2328 QLIST_FOREACH(mon_fdset_fd
, &mon_fdset
->fds
, next
) {
2329 FdsetFdInfoList
*fdsetfd_info
;
2331 fdsetfd_info
= g_malloc0(sizeof(*fdsetfd_info
));
2332 fdsetfd_info
->value
= g_malloc0(sizeof(*fdsetfd_info
->value
));
2333 fdsetfd_info
->value
->fd
= mon_fdset_fd
->fd
;
2334 if (mon_fdset_fd
->opaque
) {
2335 fdsetfd_info
->value
->has_opaque
= true;
2336 fdsetfd_info
->value
->opaque
= g_strdup(mon_fdset_fd
->opaque
);
2338 fdsetfd_info
->value
->has_opaque
= false;
2341 fdsetfd_info
->next
= fdsetfd_list
;
2342 fdsetfd_list
= fdsetfd_info
;
2345 fdset_info
->value
->fds
= fdsetfd_list
;
2347 fdset_info
->next
= fdset_list
;
2348 fdset_list
= fdset_info
;
2350 qemu_mutex_unlock(&mon_fdsets_lock
);
2355 AddfdInfo
*monitor_fdset_add_fd(int fd
, bool has_fdset_id
, int64_t fdset_id
,
2356 bool has_opaque
, const char *opaque
,
2359 MonFdset
*mon_fdset
= NULL
;
2360 MonFdsetFd
*mon_fdset_fd
;
2363 qemu_mutex_lock(&mon_fdsets_lock
);
2365 QLIST_FOREACH(mon_fdset
, &mon_fdsets
, next
) {
2366 /* Break if match found or match impossible due to ordering by ID */
2367 if (fdset_id
<= mon_fdset
->id
) {
2368 if (fdset_id
< mon_fdset
->id
) {
2376 if (mon_fdset
== NULL
) {
2377 int64_t fdset_id_prev
= -1;
2378 MonFdset
*mon_fdset_cur
= QLIST_FIRST(&mon_fdsets
);
2382 error_setg(errp
, QERR_INVALID_PARAMETER_VALUE
, "fdset-id",
2383 "a non-negative value");
2384 qemu_mutex_unlock(&mon_fdsets_lock
);
2387 /* Use specified fdset ID */
2388 QLIST_FOREACH(mon_fdset
, &mon_fdsets
, next
) {
2389 mon_fdset_cur
= mon_fdset
;
2390 if (fdset_id
< mon_fdset_cur
->id
) {
2395 /* Use first available fdset ID */
2396 QLIST_FOREACH(mon_fdset
, &mon_fdsets
, next
) {
2397 mon_fdset_cur
= mon_fdset
;
2398 if (fdset_id_prev
== mon_fdset_cur
->id
- 1) {
2399 fdset_id_prev
= mon_fdset_cur
->id
;
2406 mon_fdset
= g_malloc0(sizeof(*mon_fdset
));
2408 mon_fdset
->id
= fdset_id
;
2410 mon_fdset
->id
= fdset_id_prev
+ 1;
2413 /* The fdset list is ordered by fdset ID */
2414 if (!mon_fdset_cur
) {
2415 QLIST_INSERT_HEAD(&mon_fdsets
, mon_fdset
, next
);
2416 } else if (mon_fdset
->id
< mon_fdset_cur
->id
) {
2417 QLIST_INSERT_BEFORE(mon_fdset_cur
, mon_fdset
, next
);
2419 QLIST_INSERT_AFTER(mon_fdset_cur
, mon_fdset
, next
);
2423 mon_fdset_fd
= g_malloc0(sizeof(*mon_fdset_fd
));
2424 mon_fdset_fd
->fd
= fd
;
2425 mon_fdset_fd
->removed
= false;
2427 mon_fdset_fd
->opaque
= g_strdup(opaque
);
2429 QLIST_INSERT_HEAD(&mon_fdset
->fds
, mon_fdset_fd
, next
);
2431 fdinfo
= g_malloc0(sizeof(*fdinfo
));
2432 fdinfo
->fdset_id
= mon_fdset
->id
;
2433 fdinfo
->fd
= mon_fdset_fd
->fd
;
2435 qemu_mutex_unlock(&mon_fdsets_lock
);
2439 int monitor_fdset_get_fd(int64_t fdset_id
, int flags
)
2444 MonFdset
*mon_fdset
;
2445 MonFdsetFd
*mon_fdset_fd
;
2449 qemu_mutex_lock(&mon_fdsets_lock
);
2450 QLIST_FOREACH(mon_fdset
, &mon_fdsets
, next
) {
2451 if (mon_fdset
->id
!= fdset_id
) {
2454 QLIST_FOREACH(mon_fdset_fd
, &mon_fdset
->fds
, next
) {
2455 mon_fd_flags
= fcntl(mon_fdset_fd
->fd
, F_GETFL
);
2456 if (mon_fd_flags
== -1) {
2461 if ((flags
& O_ACCMODE
) == (mon_fd_flags
& O_ACCMODE
)) {
2462 ret
= mon_fdset_fd
->fd
;
2472 qemu_mutex_unlock(&mon_fdsets_lock
);
2477 int monitor_fdset_dup_fd_add(int64_t fdset_id
, int dup_fd
)
2479 MonFdset
*mon_fdset
;
2480 MonFdsetFd
*mon_fdset_fd_dup
;
2482 qemu_mutex_lock(&mon_fdsets_lock
);
2483 QLIST_FOREACH(mon_fdset
, &mon_fdsets
, next
) {
2484 if (mon_fdset
->id
!= fdset_id
) {
2487 QLIST_FOREACH(mon_fdset_fd_dup
, &mon_fdset
->dup_fds
, next
) {
2488 if (mon_fdset_fd_dup
->fd
== dup_fd
) {
2492 mon_fdset_fd_dup
= g_malloc0(sizeof(*mon_fdset_fd_dup
));
2493 mon_fdset_fd_dup
->fd
= dup_fd
;
2494 QLIST_INSERT_HEAD(&mon_fdset
->dup_fds
, mon_fdset_fd_dup
, next
);
2495 qemu_mutex_unlock(&mon_fdsets_lock
);
2500 qemu_mutex_unlock(&mon_fdsets_lock
);
2504 static int monitor_fdset_dup_fd_find_remove(int dup_fd
, bool remove
)
2506 MonFdset
*mon_fdset
;
2507 MonFdsetFd
*mon_fdset_fd_dup
;
2509 qemu_mutex_lock(&mon_fdsets_lock
);
2510 QLIST_FOREACH(mon_fdset
, &mon_fdsets
, next
) {
2511 QLIST_FOREACH(mon_fdset_fd_dup
, &mon_fdset
->dup_fds
, next
) {
2512 if (mon_fdset_fd_dup
->fd
== dup_fd
) {
2514 QLIST_REMOVE(mon_fdset_fd_dup
, next
);
2515 if (QLIST_EMPTY(&mon_fdset
->dup_fds
)) {
2516 monitor_fdset_cleanup(mon_fdset
);
2520 qemu_mutex_unlock(&mon_fdsets_lock
);
2521 return mon_fdset
->id
;
2528 qemu_mutex_unlock(&mon_fdsets_lock
);
2532 int monitor_fdset_dup_fd_find(int dup_fd
)
2534 return monitor_fdset_dup_fd_find_remove(dup_fd
, false);
2537 void monitor_fdset_dup_fd_remove(int dup_fd
)
2539 monitor_fdset_dup_fd_find_remove(dup_fd
, true);
2542 int monitor_fd_param(Monitor
*mon
, const char *fdname
, Error
**errp
)
2545 Error
*local_err
= NULL
;
2547 if (!qemu_isdigit(fdname
[0]) && mon
) {
2548 fd
= monitor_get_fd(mon
, fdname
, &local_err
);
2550 fd
= qemu_parse_fd(fdname
);
2552 error_setg(&local_err
, "Invalid file descriptor number '%s'",
2557 error_propagate(errp
, local_err
);
2566 /* Please update hmp-commands.hx when adding or changing commands */
2567 static mon_cmd_t info_cmds
[] = {
2568 #include "hmp-commands-info.h"
2572 /* mon_cmds and info_cmds would be sorted at runtime */
2573 static mon_cmd_t mon_cmds
[] = {
2574 #include "hmp-commands.h"
2578 /*******************************************************************/
2580 static const char *pch
;
2581 static sigjmp_buf expr_env
;
2584 static void GCC_FMT_ATTR(2, 3) QEMU_NORETURN
2585 expr_error(Monitor
*mon
, const char *fmt
, ...)
2589 monitor_vprintf(mon
, fmt
, ap
);
2590 monitor_printf(mon
, "\n");
2592 siglongjmp(expr_env
, 1);
2595 /* return 0 if OK, -1 if not found */
2596 static int get_monitor_def(target_long
*pval
, const char *name
)
2598 const MonitorDef
*md
= target_monitor_defs();
2599 CPUState
*cs
= mon_get_cpu();
2604 if (cs
== NULL
|| md
== NULL
) {
2608 for(; md
->name
!= NULL
; md
++) {
2609 if (compare_cmd(name
, md
->name
)) {
2610 if (md
->get_value
) {
2611 *pval
= md
->get_value(md
, md
->offset
);
2613 CPUArchState
*env
= mon_get_cpu_env();
2614 ptr
= (uint8_t *)env
+ md
->offset
;
2617 *pval
= *(int32_t *)ptr
;
2620 *pval
= *(target_long
*)ptr
;
2631 ret
= target_get_monitor_def(cs
, name
, &tmp
);
2633 *pval
= (target_long
) tmp
;
2639 static void next(void)
2643 while (qemu_isspace(*pch
))
2648 static int64_t expr_sum(Monitor
*mon
);
2650 static int64_t expr_unary(Monitor
*mon
)
2659 n
= expr_unary(mon
);
2663 n
= -expr_unary(mon
);
2667 n
= ~expr_unary(mon
);
2673 expr_error(mon
, "')' expected");
2680 expr_error(mon
, "character constant expected");
2684 expr_error(mon
, "missing terminating \' character");
2694 while ((*pch
>= 'a' && *pch
<= 'z') ||
2695 (*pch
>= 'A' && *pch
<= 'Z') ||
2696 (*pch
>= '0' && *pch
<= '9') ||
2697 *pch
== '_' || *pch
== '.') {
2698 if ((q
- buf
) < sizeof(buf
) - 1)
2702 while (qemu_isspace(*pch
))
2705 ret
= get_monitor_def(®
, buf
);
2707 expr_error(mon
, "unknown register");
2712 expr_error(mon
, "unexpected end of expression");
2717 n
= strtoull(pch
, &p
, 0);
2718 if (errno
== ERANGE
) {
2719 expr_error(mon
, "number too large");
2722 expr_error(mon
, "invalid char '%c' in expression", *p
);
2725 while (qemu_isspace(*pch
))
2733 static int64_t expr_prod(Monitor
*mon
)
2738 val
= expr_unary(mon
);
2741 if (op
!= '*' && op
!= '/' && op
!= '%')
2744 val2
= expr_unary(mon
);
2753 expr_error(mon
, "division by zero");
2764 static int64_t expr_logic(Monitor
*mon
)
2769 val
= expr_prod(mon
);
2772 if (op
!= '&' && op
!= '|' && op
!= '^')
2775 val2
= expr_prod(mon
);
2792 static int64_t expr_sum(Monitor
*mon
)
2797 val
= expr_logic(mon
);
2800 if (op
!= '+' && op
!= '-')
2803 val2
= expr_logic(mon
);
2812 static int get_expr(Monitor
*mon
, int64_t *pval
, const char **pp
)
2815 if (sigsetjmp(expr_env
, 0)) {
2819 while (qemu_isspace(*pch
))
2821 *pval
= expr_sum(mon
);
2826 static int get_double(Monitor
*mon
, double *pval
, const char **pp
)
2828 const char *p
= *pp
;
2832 d
= strtod(p
, &tailp
);
2834 monitor_printf(mon
, "Number expected\n");
2837 if (d
!= d
|| d
- d
!= 0) {
2838 /* NaN or infinity */
2839 monitor_printf(mon
, "Bad number\n");
2848 * Store the command-name in cmdname, and return a pointer to
2849 * the remaining of the command string.
2851 static const char *get_command_name(const char *cmdline
,
2852 char *cmdname
, size_t nlen
)
2855 const char *p
, *pstart
;
2858 while (qemu_isspace(*p
))
2863 while (*p
!= '\0' && *p
!= '/' && !qemu_isspace(*p
))
2868 memcpy(cmdname
, pstart
, len
);
2869 cmdname
[len
] = '\0';
2874 * Read key of 'type' into 'key' and return the current
2877 static char *key_get_info(const char *type
, char **key
)
2885 p
= strchr(type
, ':');
2892 str
= g_malloc(len
+ 1);
2893 memcpy(str
, type
, len
);
2900 static int default_fmt_format
= 'x';
2901 static int default_fmt_size
= 4;
2903 static int is_valid_option(const char *c
, const char *typestr
)
2911 typestr
= strstr(typestr
, option
);
2912 return (typestr
!= NULL
);
2915 static const mon_cmd_t
*search_dispatch_table(const mon_cmd_t
*disp_table
,
2916 const char *cmdname
)
2918 const mon_cmd_t
*cmd
;
2920 for (cmd
= disp_table
; cmd
->name
!= NULL
; cmd
++) {
2921 if (compare_cmd(cmdname
, cmd
->name
)) {
2930 * Parse command name from @cmdp according to command table @table.
2931 * If blank, return NULL.
2932 * Else, if no valid command can be found, report to @mon, and return
2934 * Else, change @cmdp to point right behind the name, and return its
2935 * command table entry.
2936 * Do not assume the return value points into @table! It doesn't when
2937 * the command is found in a sub-command table.
2939 static const mon_cmd_t
*monitor_parse_command(Monitor
*mon
,
2940 const char *cmdp_start
,
2945 const mon_cmd_t
*cmd
;
2948 /* extract the command name */
2949 p
= get_command_name(*cmdp
, cmdname
, sizeof(cmdname
));
2953 cmd
= search_dispatch_table(table
, cmdname
);
2955 monitor_printf(mon
, "unknown command: '%.*s'\n",
2956 (int)(p
- cmdp_start
), cmdp_start
);
2959 if (runstate_check(RUN_STATE_PRECONFIG
) && !cmd_can_preconfig(cmd
)) {
2960 monitor_printf(mon
, "Command '%.*s' not available with -preconfig "
2961 "until after exit_preconfig.\n",
2962 (int)(p
- cmdp_start
), cmdp_start
);
2966 /* filter out following useless space */
2967 while (qemu_isspace(*p
)) {
2972 /* search sub command */
2973 if (cmd
->sub_table
!= NULL
&& *p
!= '\0') {
2974 return monitor_parse_command(mon
, cmdp_start
, cmdp
, cmd
->sub_table
);
2981 * Parse arguments for @cmd.
2982 * If it can't be parsed, report to @mon, and return NULL.
2983 * Else, insert command arguments into a QDict, and return it.
2984 * Note: On success, caller has to free the QDict structure.
2987 static QDict
*monitor_parse_arguments(Monitor
*mon
,
2989 const mon_cmd_t
*cmd
)
2991 const char *typestr
;
2994 const char *p
= *endp
;
2996 QDict
*qdict
= qdict_new();
2998 /* parse the parameters */
2999 typestr
= cmd
->args_type
;
3001 typestr
= key_get_info(typestr
, &key
);
3013 while (qemu_isspace(*p
))
3015 if (*typestr
== '?') {
3018 /* no optional string: NULL argument */
3022 ret
= get_str(buf
, sizeof(buf
), &p
);
3026 monitor_printf(mon
, "%s: filename expected\n",
3030 monitor_printf(mon
, "%s: block device name expected\n",
3034 monitor_printf(mon
, "%s: string expected\n", cmd
->name
);
3039 qdict_put_str(qdict
, key
, buf
);
3044 QemuOptsList
*opts_list
;
3047 opts_list
= qemu_find_opts(key
);
3048 if (!opts_list
|| opts_list
->desc
->name
) {
3051 while (qemu_isspace(*p
)) {
3056 if (get_str(buf
, sizeof(buf
), &p
) < 0) {
3059 opts
= qemu_opts_parse_noisily(opts_list
, buf
, true);
3063 qemu_opts_to_qdict(opts
, qdict
);
3064 qemu_opts_del(opts
);
3069 int count
, format
, size
;
3071 while (qemu_isspace(*p
))
3077 if (qemu_isdigit(*p
)) {
3079 while (qemu_isdigit(*p
)) {
3080 count
= count
* 10 + (*p
- '0');
3118 if (*p
!= '\0' && !qemu_isspace(*p
)) {
3119 monitor_printf(mon
, "invalid char in format: '%c'\n",
3124 format
= default_fmt_format
;
3125 if (format
!= 'i') {
3126 /* for 'i', not specifying a size gives -1 as size */
3128 size
= default_fmt_size
;
3129 default_fmt_size
= size
;
3131 default_fmt_format
= format
;
3134 format
= default_fmt_format
;
3135 if (format
!= 'i') {
3136 size
= default_fmt_size
;
3141 qdict_put_int(qdict
, "count", count
);
3142 qdict_put_int(qdict
, "format", format
);
3143 qdict_put_int(qdict
, "size", size
);
3152 while (qemu_isspace(*p
))
3154 if (*typestr
== '?' || *typestr
== '.') {
3155 if (*typestr
== '?') {
3163 while (qemu_isspace(*p
))
3172 if (get_expr(mon
, &val
, &p
))
3174 /* Check if 'i' is greater than 32-bit */
3175 if ((c
== 'i') && ((val
>> 32) & 0xffffffff)) {
3176 monitor_printf(mon
, "\'%s\' has failed: ", cmd
->name
);
3177 monitor_printf(mon
, "integer is for 32-bit values\n");
3179 } else if (c
== 'M') {
3181 monitor_printf(mon
, "enter a positive value\n");
3186 qdict_put_int(qdict
, key
, val
);
3195 while (qemu_isspace(*p
)) {
3198 if (*typestr
== '?') {
3204 ret
= qemu_strtosz_MiB(p
, &end
, &val
);
3205 if (ret
< 0 || val
> INT64_MAX
) {
3206 monitor_printf(mon
, "invalid size\n");
3209 qdict_put_int(qdict
, key
, val
);
3217 while (qemu_isspace(*p
))
3219 if (*typestr
== '?') {
3225 if (get_double(mon
, &val
, &p
) < 0) {
3228 if (p
[0] && p
[1] == 's') {
3231 val
/= 1e3
; p
+= 2; break;
3233 val
/= 1e6
; p
+= 2; break;
3235 val
/= 1e9
; p
+= 2; break;
3238 if (*p
&& !qemu_isspace(*p
)) {
3239 monitor_printf(mon
, "Unknown unit suffix\n");
3242 qdict_put(qdict
, key
, qnum_from_double(val
));
3250 while (qemu_isspace(*p
)) {
3254 while (qemu_isgraph(*p
)) {
3257 if (p
- beg
== 2 && !memcmp(beg
, "on", p
- beg
)) {
3259 } else if (p
- beg
== 3 && !memcmp(beg
, "off", p
- beg
)) {
3262 monitor_printf(mon
, "Expected 'on' or 'off'\n");
3265 qdict_put_bool(qdict
, key
, val
);
3270 const char *tmp
= p
;
3277 while (qemu_isspace(*p
))
3282 if(!is_valid_option(p
, typestr
)) {
3284 monitor_printf(mon
, "%s: unsupported option -%c\n",
3296 qdict_put_bool(qdict
, key
, true);
3303 /* package all remaining string */
3306 while (qemu_isspace(*p
)) {
3309 if (*typestr
== '?') {
3312 /* no remaining string: NULL argument */
3318 monitor_printf(mon
, "%s: string expected\n",
3322 qdict_put_str(qdict
, key
, p
);
3328 monitor_printf(mon
, "%s: unknown type '%c'\n", cmd
->name
, c
);
3334 /* check that all arguments were parsed */
3335 while (qemu_isspace(*p
))
3338 monitor_printf(mon
, "%s: extraneous characters at the end of line\n",
3346 qobject_unref(qdict
);
3351 static void handle_hmp_command(Monitor
*mon
, const char *cmdline
)
3354 const mon_cmd_t
*cmd
;
3355 const char *cmd_start
= cmdline
;
3357 trace_handle_hmp_command(mon
, cmdline
);
3359 cmd
= monitor_parse_command(mon
, cmdline
, &cmdline
, mon
->cmd_table
);
3364 qdict
= monitor_parse_arguments(mon
, &cmdline
, cmd
);
3366 while (cmdline
> cmd_start
&& qemu_isspace(cmdline
[-1])) {
3369 monitor_printf(mon
, "Try \"help %.*s\" for more information\n",
3370 (int)(cmdline
- cmd_start
), cmd_start
);
3374 cmd
->cmd(mon
, qdict
);
3375 qobject_unref(qdict
);
3378 static void cmd_completion(Monitor
*mon
, const char *name
, const char *list
)
3380 const char *p
, *pstart
;
3387 p
= qemu_strchrnul(p
, '|');
3389 if (len
> sizeof(cmd
) - 2)
3390 len
= sizeof(cmd
) - 2;
3391 memcpy(cmd
, pstart
, len
);
3393 if (name
[0] == '\0' || !strncmp(name
, cmd
, strlen(name
))) {
3394 readline_add_completion(mon
->rs
, cmd
);
3402 static void file_completion(Monitor
*mon
, const char *input
)
3407 char file
[1024], file_prefix
[1024];
3411 p
= strrchr(input
, '/');
3414 pstrcpy(file_prefix
, sizeof(file_prefix
), input
);
3415 pstrcpy(path
, sizeof(path
), ".");
3417 input_path_len
= p
- input
+ 1;
3418 memcpy(path
, input
, input_path_len
);
3419 if (input_path_len
> sizeof(path
) - 1)
3420 input_path_len
= sizeof(path
) - 1;
3421 path
[input_path_len
] = '\0';
3422 pstrcpy(file_prefix
, sizeof(file_prefix
), p
+ 1);
3425 ffs
= opendir(path
);
3434 if (strcmp(d
->d_name
, ".") == 0 || strcmp(d
->d_name
, "..") == 0) {
3438 if (strstart(d
->d_name
, file_prefix
, NULL
)) {
3439 memcpy(file
, input
, input_path_len
);
3440 if (input_path_len
< sizeof(file
))
3441 pstrcpy(file
+ input_path_len
, sizeof(file
) - input_path_len
,
3443 /* stat the file to find out if it's a directory.
3444 * In that case add a slash to speed up typing long paths
3446 if (stat(file
, &sb
) == 0 && S_ISDIR(sb
.st_mode
)) {
3447 pstrcat(file
, sizeof(file
), "/");
3449 readline_add_completion(mon
->rs
, file
);
3455 static const char *next_arg_type(const char *typestr
)
3457 const char *p
= strchr(typestr
, ':');
3458 return (p
!= NULL
? ++p
: typestr
);
3461 static void add_completion_option(ReadLineState
*rs
, const char *str
,
3464 if (!str
|| !option
) {
3467 if (!strncmp(option
, str
, strlen(str
))) {
3468 readline_add_completion(rs
, option
);
3472 void chardev_add_completion(ReadLineState
*rs
, int nb_args
, const char *str
)
3475 ChardevBackendInfoList
*list
, *start
;
3481 readline_set_completion_index(rs
, len
);
3483 start
= list
= qmp_query_chardev_backends(NULL
);
3485 const char *chr_name
= list
->value
->name
;
3487 if (!strncmp(chr_name
, str
, len
)) {
3488 readline_add_completion(rs
, chr_name
);
3492 qapi_free_ChardevBackendInfoList(start
);
3495 void netdev_add_completion(ReadLineState
*rs
, int nb_args
, const char *str
)
3504 readline_set_completion_index(rs
, len
);
3505 for (i
= 0; i
< NET_CLIENT_DRIVER__MAX
; i
++) {
3506 add_completion_option(rs
, str
, NetClientDriver_str(i
));
3510 void device_add_completion(ReadLineState
*rs
, int nb_args
, const char *str
)
3520 readline_set_completion_index(rs
, len
);
3521 list
= elt
= object_class_get_list(TYPE_DEVICE
, false);
3524 DeviceClass
*dc
= OBJECT_CLASS_CHECK(DeviceClass
, elt
->data
,
3526 name
= object_class_get_name(OBJECT_CLASS(dc
));
3528 if (dc
->user_creatable
3529 && !strncmp(name
, str
, len
)) {
3530 readline_add_completion(rs
, name
);
3537 void object_add_completion(ReadLineState
*rs
, int nb_args
, const char *str
)
3547 readline_set_completion_index(rs
, len
);
3548 list
= elt
= object_class_get_list(TYPE_USER_CREATABLE
, false);
3552 name
= object_class_get_name(OBJECT_CLASS(elt
->data
));
3553 if (!strncmp(name
, str
, len
) && strcmp(name
, TYPE_USER_CREATABLE
)) {
3554 readline_add_completion(rs
, name
);
3561 static void peripheral_device_del_completion(ReadLineState
*rs
,
3562 const char *str
, size_t len
)
3564 Object
*peripheral
= container_get(qdev_get_machine(), "/peripheral");
3565 GSList
*list
, *item
;
3567 list
= qdev_build_hotpluggable_device_list(peripheral
);
3572 for (item
= list
; item
; item
= g_slist_next(item
)) {
3573 DeviceState
*dev
= item
->data
;
3575 if (dev
->id
&& !strncmp(str
, dev
->id
, len
)) {
3576 readline_add_completion(rs
, dev
->id
);
3583 void chardev_remove_completion(ReadLineState
*rs
, int nb_args
, const char *str
)
3586 ChardevInfoList
*list
, *start
;
3592 readline_set_completion_index(rs
, len
);
3594 start
= list
= qmp_query_chardev(NULL
);
3596 ChardevInfo
*chr
= list
->value
;
3598 if (!strncmp(chr
->label
, str
, len
)) {
3599 readline_add_completion(rs
, chr
->label
);
3603 qapi_free_ChardevInfoList(start
);
3606 static void ringbuf_completion(ReadLineState
*rs
, const char *str
)
3609 ChardevInfoList
*list
, *start
;
3612 readline_set_completion_index(rs
, len
);
3614 start
= list
= qmp_query_chardev(NULL
);
3616 ChardevInfo
*chr_info
= list
->value
;
3618 if (!strncmp(chr_info
->label
, str
, len
)) {
3619 Chardev
*chr
= qemu_chr_find(chr_info
->label
);
3620 if (chr
&& CHARDEV_IS_RINGBUF(chr
)) {
3621 readline_add_completion(rs
, chr_info
->label
);
3626 qapi_free_ChardevInfoList(start
);
3629 void ringbuf_write_completion(ReadLineState
*rs
, int nb_args
, const char *str
)
3634 ringbuf_completion(rs
, str
);
3637 void device_del_completion(ReadLineState
*rs
, int nb_args
, const char *str
)
3646 readline_set_completion_index(rs
, len
);
3647 peripheral_device_del_completion(rs
, str
, len
);
3650 void object_del_completion(ReadLineState
*rs
, int nb_args
, const char *str
)
3652 ObjectPropertyInfoList
*list
, *start
;
3659 readline_set_completion_index(rs
, len
);
3661 start
= list
= qmp_qom_list("/objects", NULL
);
3663 ObjectPropertyInfo
*info
= list
->value
;
3665 if (!strncmp(info
->type
, "child<", 5)
3666 && !strncmp(info
->name
, str
, len
)) {
3667 readline_add_completion(rs
, info
->name
);
3671 qapi_free_ObjectPropertyInfoList(start
);
3674 void sendkey_completion(ReadLineState
*rs
, int nb_args
, const char *str
)
3683 sep
= strrchr(str
, '-');
3688 readline_set_completion_index(rs
, len
);
3689 for (i
= 0; i
< Q_KEY_CODE__MAX
; i
++) {
3690 if (!strncmp(str
, QKeyCode_str(i
), len
)) {
3691 readline_add_completion(rs
, QKeyCode_str(i
));
3696 void set_link_completion(ReadLineState
*rs
, int nb_args
, const char *str
)
3701 readline_set_completion_index(rs
, len
);
3703 NetClientState
*ncs
[MAX_QUEUE_NUM
];
3705 count
= qemu_find_net_clients_except(NULL
, ncs
,
3706 NET_CLIENT_DRIVER_NONE
,
3708 for (i
= 0; i
< MIN(count
, MAX_QUEUE_NUM
); i
++) {
3709 const char *name
= ncs
[i
]->name
;
3710 if (!strncmp(str
, name
, len
)) {
3711 readline_add_completion(rs
, name
);
3714 } else if (nb_args
== 3) {
3715 add_completion_option(rs
, str
, "on");
3716 add_completion_option(rs
, str
, "off");
3720 void netdev_del_completion(ReadLineState
*rs
, int nb_args
, const char *str
)
3723 NetClientState
*ncs
[MAX_QUEUE_NUM
];
3730 readline_set_completion_index(rs
, len
);
3731 count
= qemu_find_net_clients_except(NULL
, ncs
, NET_CLIENT_DRIVER_NIC
,
3733 for (i
= 0; i
< MIN(count
, MAX_QUEUE_NUM
); i
++) {
3735 const char *name
= ncs
[i
]->name
;
3736 if (strncmp(str
, name
, len
)) {
3739 opts
= qemu_opts_find(qemu_find_opts_err("netdev", NULL
), name
);
3741 readline_add_completion(rs
, name
);
3746 void info_trace_events_completion(ReadLineState
*rs
, int nb_args
, const char *str
)
3751 readline_set_completion_index(rs
, len
);
3753 TraceEventIter iter
;
3755 char *pattern
= g_strdup_printf("%s*", str
);
3756 trace_event_iter_init(&iter
, pattern
);
3757 while ((ev
= trace_event_iter_next(&iter
)) != NULL
) {
3758 readline_add_completion(rs
, trace_event_get_name(ev
));
3764 void trace_event_completion(ReadLineState
*rs
, int nb_args
, const char *str
)
3769 readline_set_completion_index(rs
, len
);
3771 TraceEventIter iter
;
3773 char *pattern
= g_strdup_printf("%s*", str
);
3774 trace_event_iter_init(&iter
, pattern
);
3775 while ((ev
= trace_event_iter_next(&iter
)) != NULL
) {
3776 readline_add_completion(rs
, trace_event_get_name(ev
));
3779 } else if (nb_args
== 3) {
3780 add_completion_option(rs
, str
, "on");
3781 add_completion_option(rs
, str
, "off");
3785 void watchdog_action_completion(ReadLineState
*rs
, int nb_args
, const char *str
)
3792 readline_set_completion_index(rs
, strlen(str
));
3793 for (i
= 0; i
< WATCHDOG_ACTION__MAX
; i
++) {
3794 add_completion_option(rs
, str
, WatchdogAction_str(i
));
3798 void migrate_set_capability_completion(ReadLineState
*rs
, int nb_args
,
3804 readline_set_completion_index(rs
, len
);
3807 for (i
= 0; i
< MIGRATION_CAPABILITY__MAX
; i
++) {
3808 const char *name
= MigrationCapability_str(i
);
3809 if (!strncmp(str
, name
, len
)) {
3810 readline_add_completion(rs
, name
);
3813 } else if (nb_args
== 3) {
3814 add_completion_option(rs
, str
, "on");
3815 add_completion_option(rs
, str
, "off");
3819 void migrate_set_parameter_completion(ReadLineState
*rs
, int nb_args
,
3825 readline_set_completion_index(rs
, len
);
3828 for (i
= 0; i
< MIGRATION_PARAMETER__MAX
; i
++) {
3829 const char *name
= MigrationParameter_str(i
);
3830 if (!strncmp(str
, name
, len
)) {
3831 readline_add_completion(rs
, name
);
3837 static void vm_completion(ReadLineState
*rs
, const char *str
)
3840 BlockDriverState
*bs
;
3841 BdrvNextIterator it
;
3844 readline_set_completion_index(rs
, len
);
3846 for (bs
= bdrv_first(&it
); bs
; bs
= bdrv_next(&it
)) {
3847 SnapshotInfoList
*snapshots
, *snapshot
;
3848 AioContext
*ctx
= bdrv_get_aio_context(bs
);
3851 aio_context_acquire(ctx
);
3852 if (bdrv_can_snapshot(bs
)) {
3853 ok
= bdrv_query_snapshot_info_list(bs
, &snapshots
, NULL
) == 0;
3855 aio_context_release(ctx
);
3860 snapshot
= snapshots
;
3862 char *completion
= snapshot
->value
->name
;
3863 if (!strncmp(str
, completion
, len
)) {
3864 readline_add_completion(rs
, completion
);
3866 completion
= snapshot
->value
->id
;
3867 if (!strncmp(str
, completion
, len
)) {
3868 readline_add_completion(rs
, completion
);
3870 snapshot
= snapshot
->next
;
3872 qapi_free_SnapshotInfoList(snapshots
);
3877 void delvm_completion(ReadLineState
*rs
, int nb_args
, const char *str
)
3880 vm_completion(rs
, str
);
3884 void loadvm_completion(ReadLineState
*rs
, int nb_args
, const char *str
)
3887 vm_completion(rs
, str
);
3891 static void monitor_find_completion_by_table(Monitor
*mon
,
3892 const mon_cmd_t
*cmd_table
,
3896 const char *cmdname
;
3898 const char *ptype
, *old_ptype
, *str
, *name
;
3899 const mon_cmd_t
*cmd
;
3900 BlockBackend
*blk
= NULL
;
3903 /* command completion */
3908 readline_set_completion_index(mon
->rs
, strlen(cmdname
));
3909 for (cmd
= cmd_table
; cmd
->name
!= NULL
; cmd
++) {
3910 if (!runstate_check(RUN_STATE_PRECONFIG
) ||
3911 cmd_can_preconfig(cmd
)) {
3912 cmd_completion(mon
, cmdname
, cmd
->name
);
3916 /* find the command */
3917 for (cmd
= cmd_table
; cmd
->name
!= NULL
; cmd
++) {
3918 if (compare_cmd(args
[0], cmd
->name
) &&
3919 (!runstate_check(RUN_STATE_PRECONFIG
) ||
3920 cmd_can_preconfig(cmd
))) {
3928 if (cmd
->sub_table
) {
3929 /* do the job again */
3930 monitor_find_completion_by_table(mon
, cmd
->sub_table
,
3931 &args
[1], nb_args
- 1);
3934 if (cmd
->command_completion
) {
3935 cmd
->command_completion(mon
->rs
, nb_args
, args
[nb_args
- 1]);
3939 ptype
= next_arg_type(cmd
->args_type
);
3940 for(i
= 0; i
< nb_args
- 2; i
++) {
3941 if (*ptype
!= '\0') {
3942 ptype
= next_arg_type(ptype
);
3943 while (*ptype
== '?')
3944 ptype
= next_arg_type(ptype
);
3947 str
= args
[nb_args
- 1];
3949 while (*ptype
== '-' && old_ptype
!= ptype
) {
3951 ptype
= next_arg_type(ptype
);
3955 /* file completion */
3956 readline_set_completion_index(mon
->rs
, strlen(str
));
3957 file_completion(mon
, str
);
3960 /* block device name completion */
3961 readline_set_completion_index(mon
->rs
, strlen(str
));
3962 while ((blk
= blk_next(blk
)) != NULL
) {
3963 name
= blk_name(blk
);
3964 if (str
[0] == '\0' ||
3965 !strncmp(name
, str
, strlen(str
))) {
3966 readline_add_completion(mon
->rs
, name
);
3972 if (!strcmp(cmd
->name
, "help|?")) {
3973 monitor_find_completion_by_table(mon
, cmd_table
,
3974 &args
[1], nb_args
- 1);
3983 static void monitor_find_completion(void *opaque
,
3984 const char *cmdline
)
3986 Monitor
*mon
= opaque
;
3987 char *args
[MAX_ARGS
];
3990 /* 1. parse the cmdline */
3991 if (parse_cmdline(cmdline
, &nb_args
, args
) < 0) {
3995 /* if the line ends with a space, it means we want to complete the
3997 len
= strlen(cmdline
);
3998 if (len
> 0 && qemu_isspace(cmdline
[len
- 1])) {
3999 if (nb_args
>= MAX_ARGS
) {
4002 args
[nb_args
++] = g_strdup("");
4005 /* 2. auto complete according to args */
4006 monitor_find_completion_by_table(mon
, mon
->cmd_table
, args
, nb_args
);
4009 free_cmdline_args(args
, nb_args
);
4012 static int monitor_can_read(void *opaque
)
4014 Monitor
*mon
= opaque
;
4016 return !atomic_mb_read(&mon
->suspend_cnt
);
4020 * Emit QMP response @rsp with ID @id to @mon.
4021 * Null @rsp can only happen for commands with QCO_NO_SUCCESS_RESP.
4022 * Nothing is emitted then.
4024 static void monitor_qmp_respond(Monitor
*mon
, QDict
*rsp
, QObject
*id
)
4028 qdict_put_obj(rsp
, "id", qobject_ref(id
));
4031 qmp_send_response(mon
, rsp
);
4035 static void monitor_qmp_dispatch(Monitor
*mon
, QObject
*req
, QObject
*id
)
4044 rsp
= qmp_dispatch(mon
->qmp
.commands
, req
, qmp_oob_enabled(mon
));
4048 if (mon
->qmp
.commands
== &qmp_cap_negotiation_commands
) {
4049 error
= qdict_get_qdict(rsp
, "error");
4051 && !g_strcmp0(qdict_get_try_str(error
, "class"),
4052 QapiErrorClass_str(ERROR_CLASS_COMMAND_NOT_FOUND
))) {
4053 /* Provide a more useful error message */
4054 qdict_del(error
, "desc");
4055 qdict_put_str(error
, "desc", "Expecting capabilities negotiation"
4056 " with 'qmp_capabilities'");
4060 monitor_qmp_respond(mon
, rsp
, id
);
4065 * Pop a QMP request from a monitor request queue.
4066 * Return the request, or NULL all request queues are empty.
4067 * We are using round-robin fashion to pop the request, to avoid
4068 * processing commands only on a very busy monitor. To achieve that,
4069 * when we process one request on a specific monitor, we put that
4070 * monitor to the end of mon_list queue.
4072 * Note: if the function returned with non-NULL, then the caller will
4073 * be with mon->qmp.qmp_queue_lock held, and the caller is responsible
4076 static QMPRequest
*monitor_qmp_requests_pop_any_with_lock(void)
4078 QMPRequest
*req_obj
= NULL
;
4081 qemu_mutex_lock(&monitor_lock
);
4083 QTAILQ_FOREACH(mon
, &mon_list
, entry
) {
4084 qemu_mutex_lock(&mon
->qmp
.qmp_queue_lock
);
4085 req_obj
= g_queue_pop_head(mon
->qmp
.qmp_requests
);
4087 /* With the lock of corresponding queue held */
4090 qemu_mutex_unlock(&mon
->qmp
.qmp_queue_lock
);
4095 * We found one request on the monitor. Degrade this monitor's
4096 * priority to lowest by re-inserting it to end of queue.
4098 QTAILQ_REMOVE(&mon_list
, mon
, entry
);
4099 QTAILQ_INSERT_TAIL(&mon_list
, mon
, entry
);
4102 qemu_mutex_unlock(&monitor_lock
);
4107 static void monitor_qmp_bh_dispatcher(void *data
)
4109 QMPRequest
*req_obj
= monitor_qmp_requests_pop_any_with_lock();
4119 /* qmp_oob_enabled() might change after "qmp_capabilities" */
4120 need_resume
= !qmp_oob_enabled(mon
) ||
4121 mon
->qmp
.qmp_requests
->length
== QMP_REQ_QUEUE_LEN_MAX
- 1;
4122 qemu_mutex_unlock(&mon
->qmp
.qmp_queue_lock
);
4124 trace_monitor_qmp_cmd_in_band(qobject_get_try_str(req_obj
->id
) ?: "");
4125 monitor_qmp_dispatch(mon
, req_obj
->req
, req_obj
->id
);
4127 assert(req_obj
->err
);
4128 rsp
= qmp_error_response(req_obj
->err
);
4129 req_obj
->err
= NULL
;
4130 monitor_qmp_respond(mon
, rsp
, NULL
);
4135 /* Pairs with the monitor_suspend() in handle_qmp_command() */
4136 monitor_resume(mon
);
4138 qmp_request_free(req_obj
);
4140 /* Reschedule instead of looping so the main loop stays responsive */
4141 qemu_bh_schedule(qmp_dispatcher_bh
);
4144 static void handle_qmp_command(void *opaque
, QObject
*req
, Error
*err
)
4146 Monitor
*mon
= opaque
;
4149 QMPRequest
*req_obj
;
4151 assert(!req
!= !err
);
4153 qdict
= qobject_to(QDict
, req
);
4155 id
= qobject_ref(qdict_get(qdict
, "id"));
4156 qdict_del(qdict
, "id");
4157 } /* else will fail qmp_dispatch() */
4159 if (req
&& trace_event_get_state_backends(TRACE_HANDLE_QMP_COMMAND
)) {
4160 QString
*req_json
= qobject_to_json(req
);
4161 trace_handle_qmp_command(mon
, qstring_get_str(req_json
));
4162 qobject_unref(req_json
);
4165 if (qdict
&& qmp_is_oob(qdict
)) {
4166 /* OOB commands are executed immediately */
4167 trace_monitor_qmp_cmd_out_of_band(qobject_get_try_str(id
)
4169 monitor_qmp_dispatch(mon
, req
, id
);
4175 req_obj
= g_new0(QMPRequest
, 1);
4181 /* Protect qmp_requests and fetching its length. */
4182 qemu_mutex_lock(&mon
->qmp
.qmp_queue_lock
);
4185 * Suspend the monitor when we can't queue more requests after
4186 * this one. Dequeuing in monitor_qmp_bh_dispatcher() will resume
4187 * it. Note that when OOB is disabled, we queue at most one
4188 * command, for backward compatibility.
4190 if (!qmp_oob_enabled(mon
) ||
4191 mon
->qmp
.qmp_requests
->length
== QMP_REQ_QUEUE_LEN_MAX
- 1) {
4192 monitor_suspend(mon
);
4196 * Put the request to the end of queue so that requests will be
4197 * handled in time order. Ownership for req_obj, req, id,
4198 * etc. will be delivered to the handler side.
4200 assert(mon
->qmp
.qmp_requests
->length
< QMP_REQ_QUEUE_LEN_MAX
);
4201 g_queue_push_tail(mon
->qmp
.qmp_requests
, req_obj
);
4202 qemu_mutex_unlock(&mon
->qmp
.qmp_queue_lock
);
4204 /* Kick the dispatcher routine */
4205 qemu_bh_schedule(qmp_dispatcher_bh
);
4208 static void monitor_qmp_read(void *opaque
, const uint8_t *buf
, int size
)
4210 Monitor
*mon
= opaque
;
4212 json_message_parser_feed(&mon
->qmp
.parser
, (const char *) buf
, size
);
4215 static void monitor_read(void *opaque
, const uint8_t *buf
, int size
)
4217 Monitor
*old_mon
= cur_mon
;
4223 for (i
= 0; i
< size
; i
++)
4224 readline_handle_byte(cur_mon
->rs
, buf
[i
]);
4226 if (size
== 0 || buf
[size
- 1] != 0)
4227 monitor_printf(cur_mon
, "corrupted command\n");
4229 handle_hmp_command(cur_mon
, (char *)buf
);
4235 static void monitor_command_cb(void *opaque
, const char *cmdline
,
4236 void *readline_opaque
)
4238 Monitor
*mon
= opaque
;
4240 monitor_suspend(mon
);
4241 handle_hmp_command(mon
, cmdline
);
4242 monitor_resume(mon
);
4245 int monitor_suspend(Monitor
*mon
)
4247 if (monitor_is_hmp_non_interactive(mon
)) {
4251 atomic_inc(&mon
->suspend_cnt
);
4253 if (mon
->use_io_thread
) {
4255 * Kick I/O thread to make sure this takes effect. It'll be
4256 * evaluated again in prepare() of the watch object.
4258 aio_notify(iothread_get_aio_context(mon_iothread
));
4261 trace_monitor_suspend(mon
, 1);
4265 static void monitor_accept_input(void *opaque
)
4267 Monitor
*mon
= opaque
;
4269 qemu_chr_fe_accept_input(&mon
->chr
);
4272 void monitor_resume(Monitor
*mon
)
4274 if (monitor_is_hmp_non_interactive(mon
)) {
4278 if (atomic_dec_fetch(&mon
->suspend_cnt
) == 0) {
4281 if (mon
->use_io_thread
) {
4282 ctx
= iothread_get_aio_context(mon_iothread
);
4284 ctx
= qemu_get_aio_context();
4287 if (!monitor_is_qmp(mon
)) {
4289 readline_show_prompt(mon
->rs
);
4292 aio_bh_schedule_oneshot(ctx
, monitor_accept_input
, mon
);
4295 trace_monitor_suspend(mon
, -1);
4298 static QDict
*qmp_greeting(Monitor
*mon
)
4300 QList
*cap_list
= qlist_new();
4301 QObject
*ver
= NULL
;
4304 qmp_marshal_query_version(NULL
, &ver
, NULL
);
4306 for (cap
= 0; cap
< QMP_CAPABILITY__MAX
; cap
++) {
4307 if (mon
->qmp
.capab_offered
[cap
]) {
4308 qlist_append_str(cap_list
, QMPCapability_str(cap
));
4312 return qdict_from_jsonf_nofail(
4313 "{'QMP': {'version': %p, 'capabilities': %p}}",
4317 static void monitor_qmp_event(void *opaque
, int event
)
4320 Monitor
*mon
= opaque
;
4323 case CHR_EVENT_OPENED
:
4324 mon
->qmp
.commands
= &qmp_cap_negotiation_commands
;
4325 monitor_qmp_caps_reset(mon
);
4326 data
= qmp_greeting(mon
);
4327 qmp_send_response(mon
, data
);
4328 qobject_unref(data
);
4331 case CHR_EVENT_CLOSED
:
4333 * Note: this is only useful when the output of the chardev
4334 * backend is still open. For example, when the backend is
4335 * stdio, it's possible that stdout is still open when stdin
4338 monitor_qmp_cleanup_queues(mon
);
4339 json_message_parser_destroy(&mon
->qmp
.parser
);
4340 json_message_parser_init(&mon
->qmp
.parser
, handle_qmp_command
,
4343 monitor_fdsets_cleanup();
4348 static void monitor_event(void *opaque
, int event
)
4350 Monitor
*mon
= opaque
;
4353 case CHR_EVENT_MUX_IN
:
4354 qemu_mutex_lock(&mon
->mon_lock
);
4356 qemu_mutex_unlock(&mon
->mon_lock
);
4357 if (mon
->reset_seen
) {
4358 readline_restart(mon
->rs
);
4359 monitor_resume(mon
);
4362 atomic_mb_set(&mon
->suspend_cnt
, 0);
4366 case CHR_EVENT_MUX_OUT
:
4367 if (mon
->reset_seen
) {
4368 if (atomic_mb_read(&mon
->suspend_cnt
) == 0) {
4369 monitor_printf(mon
, "\n");
4372 monitor_suspend(mon
);
4374 atomic_inc(&mon
->suspend_cnt
);
4376 qemu_mutex_lock(&mon
->mon_lock
);
4378 qemu_mutex_unlock(&mon
->mon_lock
);
4381 case CHR_EVENT_OPENED
:
4382 monitor_printf(mon
, "QEMU %s monitor - type 'help' for more "
4383 "information\n", QEMU_VERSION
);
4384 if (!mon
->mux_out
) {
4385 readline_restart(mon
->rs
);
4386 readline_show_prompt(mon
->rs
);
4388 mon
->reset_seen
= 1;
4392 case CHR_EVENT_CLOSED
:
4394 monitor_fdsets_cleanup();
4400 compare_mon_cmd(const void *a
, const void *b
)
4402 return strcmp(((const mon_cmd_t
*)a
)->name
,
4403 ((const mon_cmd_t
*)b
)->name
);
4406 static void sortcmdlist(void)
4409 int elem_size
= sizeof(mon_cmd_t
);
4411 array_num
= sizeof(mon_cmds
)/elem_size
-1;
4412 qsort((void *)mon_cmds
, array_num
, elem_size
, compare_mon_cmd
);
4414 array_num
= sizeof(info_cmds
)/elem_size
-1;
4415 qsort((void *)info_cmds
, array_num
, elem_size
, compare_mon_cmd
);
4418 static void monitor_iothread_init(void)
4420 mon_iothread
= iothread_create("mon_iothread", &error_abort
);
4423 void monitor_init_globals(void)
4425 monitor_init_qmp_commands();
4426 monitor_qapi_event_init();
4428 qemu_mutex_init(&monitor_lock
);
4429 qemu_mutex_init(&mon_fdsets_lock
);
4432 * The dispatcher BH must run in the main loop thread, since we
4433 * have commands assuming that context. It would be nice to get
4434 * rid of those assumptions.
4436 qmp_dispatcher_bh
= aio_bh_new(iohandler_get_aio_context(),
4437 monitor_qmp_bh_dispatcher
,
4441 /* These functions just adapt the readline interface in a typesafe way. We
4442 * could cast function pointers but that discards compiler checks.
4444 static void GCC_FMT_ATTR(2, 3) monitor_readline_printf(void *opaque
,
4445 const char *fmt
, ...)
4449 monitor_vprintf(opaque
, fmt
, ap
);
4453 static void monitor_readline_flush(void *opaque
)
4455 monitor_flush(opaque
);
4459 * Print to current monitor if we have one, else to stream.
4460 * TODO should return int, so callers can calculate width, but that
4461 * requires surgery to monitor_vprintf(). Left for another day.
4463 void monitor_vfprintf(FILE *stream
, const char *fmt
, va_list ap
)
4465 if (cur_mon
&& !monitor_cur_is_qmp()) {
4466 monitor_vprintf(cur_mon
, fmt
, ap
);
4468 vfprintf(stream
, fmt
, ap
);
4473 * Print to current monitor if we have one, else to stderr.
4474 * TODO should return int, so callers can calculate width, but that
4475 * requires surgery to monitor_vprintf(). Left for another day.
4477 void error_vprintf(const char *fmt
, va_list ap
)
4479 monitor_vfprintf(stderr
, fmt
, ap
);
4482 void error_vprintf_unless_qmp(const char *fmt
, va_list ap
)
4484 if (cur_mon
&& !monitor_cur_is_qmp()) {
4485 monitor_vprintf(cur_mon
, fmt
, ap
);
4486 } else if (!cur_mon
) {
4487 vfprintf(stderr
, fmt
, ap
);
4491 static void monitor_list_append(Monitor
*mon
)
4493 qemu_mutex_lock(&monitor_lock
);
4495 * This prevents inserting new monitors during monitor_cleanup().
4496 * A cleaner solution would involve the main thread telling other
4497 * threads to terminate, waiting for their termination.
4499 if (!monitor_destroyed
) {
4500 QTAILQ_INSERT_HEAD(&mon_list
, mon
, entry
);
4503 qemu_mutex_unlock(&monitor_lock
);
4506 monitor_data_destroy(mon
);
4511 static void monitor_qmp_setup_handlers_bh(void *opaque
)
4513 Monitor
*mon
= opaque
;
4514 GMainContext
*context
;
4516 assert(mon
->use_io_thread
);
4517 context
= iothread_get_g_main_context(mon_iothread
);
4519 qemu_chr_fe_set_handlers(&mon
->chr
, monitor_can_read
, monitor_qmp_read
,
4520 monitor_qmp_event
, NULL
, mon
, context
, true);
4521 monitor_list_append(mon
);
4524 void monitor_init(Chardev
*chr
, int flags
)
4526 Monitor
*mon
= g_malloc(sizeof(*mon
));
4527 bool use_readline
= flags
& MONITOR_USE_READLINE
;
4529 /* Note: we run QMP monitor in I/O thread when @chr supports that */
4530 monitor_data_init(mon
, false,
4531 (flags
& MONITOR_USE_CONTROL
)
4532 && qemu_chr_has_feature(chr
,
4533 QEMU_CHAR_FEATURE_GCONTEXT
));
4535 qemu_chr_fe_init(&mon
->chr
, chr
, &error_abort
);
4538 mon
->rs
= readline_init(monitor_readline_printf
,
4539 monitor_readline_flush
,
4541 monitor_find_completion
);
4542 monitor_read_command(mon
, 0);
4545 if (monitor_is_qmp(mon
)) {
4546 qemu_chr_fe_set_echo(&mon
->chr
, true);
4547 json_message_parser_init(&mon
->qmp
.parser
, handle_qmp_command
,
4549 if (mon
->use_io_thread
) {
4551 * Make sure the old iowatch is gone. It's possible when
4552 * e.g. the chardev is in client mode, with wait=on.
4554 remove_fd_in_watch(chr
);
4556 * We can't call qemu_chr_fe_set_handlers() directly here
4557 * since chardev might be running in the monitor I/O
4558 * thread. Schedule a bottom half.
4560 aio_bh_schedule_oneshot(iothread_get_aio_context(mon_iothread
),
4561 monitor_qmp_setup_handlers_bh
, mon
);
4562 /* The bottom half will add @mon to @mon_list */
4565 qemu_chr_fe_set_handlers(&mon
->chr
, monitor_can_read
,
4566 monitor_qmp_read
, monitor_qmp_event
,
4567 NULL
, mon
, NULL
, true);
4570 qemu_chr_fe_set_handlers(&mon
->chr
, monitor_can_read
, monitor_read
,
4571 monitor_event
, NULL
, mon
, NULL
, true);
4574 monitor_list_append(mon
);
4577 void monitor_cleanup(void)
4580 * We need to explicitly stop the I/O thread (but not destroy it),
4581 * clean up the monitor resources, then destroy the I/O thread since
4582 * we need to unregister from chardev below in
4583 * monitor_data_destroy(), and chardev is not thread-safe yet
4586 iothread_stop(mon_iothread
);
4589 /* Flush output buffers and destroy monitors */
4590 qemu_mutex_lock(&monitor_lock
);
4591 monitor_destroyed
= true;
4592 while (!QTAILQ_EMPTY(&mon_list
)) {
4593 Monitor
*mon
= QTAILQ_FIRST(&mon_list
);
4594 QTAILQ_REMOVE(&mon_list
, mon
, entry
);
4595 /* Permit QAPI event emission from character frontend release */
4596 qemu_mutex_unlock(&monitor_lock
);
4598 monitor_data_destroy(mon
);
4599 qemu_mutex_lock(&monitor_lock
);
4602 qemu_mutex_unlock(&monitor_lock
);
4604 /* QEMUBHs needs to be deleted before destroying the I/O thread */
4605 qemu_bh_delete(qmp_dispatcher_bh
);
4606 qmp_dispatcher_bh
= NULL
;
4608 iothread_destroy(mon_iothread
);
4609 mon_iothread
= NULL
;
4613 QemuOptsList qemu_mon_opts
= {
4615 .implied_opt_name
= "chardev",
4616 .head
= QTAILQ_HEAD_INITIALIZER(qemu_mon_opts
.head
),
4620 .type
= QEMU_OPT_STRING
,
4623 .type
= QEMU_OPT_STRING
,
4626 .type
= QEMU_OPT_BOOL
,
4628 { /* end of list */ }
4632 HotpluggableCPUList
*qmp_query_hotpluggable_cpus(Error
**errp
)
4634 MachineState
*ms
= MACHINE(qdev_get_machine());
4635 MachineClass
*mc
= MACHINE_GET_CLASS(ms
);
4637 if (!mc
->has_hotpluggable_cpus
) {
4638 error_setg(errp
, QERR_FEATURE_DISABLED
, "query-hotpluggable-cpus");
4642 return machine_query_hotpluggable_cpus(ms
);