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-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(mon_list
, Monitor
) mon_list
;
270 static bool monitor_destroyed
;
272 /* Protects mon_fdsets */
273 static QemuMutex mon_fdsets_lock
;
274 static QLIST_HEAD(mon_fdsets
, 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
);
594 monitor_qapi_event_queue(QAPIEvent event
, QDict
*qdict
)
597 * monitor_qapi_event_queue_no_reenter() is not reentrant: it
598 * would deadlock on monitor_lock. Work around by queueing
599 * events in thread-local storage.
600 * TODO: remove this, make it re-enter safe.
602 typedef struct MonitorQapiEvent
{
605 QSIMPLEQ_ENTRY(MonitorQapiEvent
) entry
;
607 static __thread
QSIMPLEQ_HEAD(, MonitorQapiEvent
) event_queue
;
608 static __thread
bool reentered
;
609 MonitorQapiEvent
*ev
;
612 QSIMPLEQ_INIT(&event_queue
);
615 ev
= g_new(MonitorQapiEvent
, 1);
616 ev
->qdict
= qobject_ref(qdict
);
618 QSIMPLEQ_INSERT_TAIL(&event_queue
, ev
, entry
);
625 while ((ev
= QSIMPLEQ_FIRST(&event_queue
)) != NULL
) {
626 QSIMPLEQ_REMOVE_HEAD(&event_queue
, entry
);
627 monitor_qapi_event_queue_no_reenter(ev
->event
, ev
->qdict
);
628 qobject_unref(ev
->qdict
);
636 * This function runs evconf->rate ns after sending a throttled
638 * If another event has since been stored, send it.
640 static void monitor_qapi_event_handler(void *opaque
)
642 MonitorQAPIEventState
*evstate
= opaque
;
643 MonitorQAPIEventConf
*evconf
= &monitor_qapi_event_conf
[evstate
->event
];
645 trace_monitor_protocol_event_handler(evstate
->event
, evstate
->qdict
);
646 qemu_mutex_lock(&monitor_lock
);
648 if (evstate
->qdict
) {
649 int64_t now
= qemu_clock_get_ns(monitor_get_event_clock());
651 monitor_qapi_event_emit(evstate
->event
, evstate
->qdict
);
652 qobject_unref(evstate
->qdict
);
653 evstate
->qdict
= NULL
;
654 timer_mod_ns(evstate
->timer
, now
+ evconf
->rate
);
656 g_hash_table_remove(monitor_qapi_event_state
, evstate
);
657 qobject_unref(evstate
->data
);
658 timer_free(evstate
->timer
);
662 qemu_mutex_unlock(&monitor_lock
);
665 static unsigned int qapi_event_throttle_hash(const void *key
)
667 const MonitorQAPIEventState
*evstate
= key
;
668 unsigned int hash
= evstate
->event
* 255;
670 if (evstate
->event
== QAPI_EVENT_VSERPORT_CHANGE
) {
671 hash
+= g_str_hash(qdict_get_str(evstate
->data
, "id"));
674 if (evstate
->event
== QAPI_EVENT_QUORUM_REPORT_BAD
) {
675 hash
+= g_str_hash(qdict_get_str(evstate
->data
, "node-name"));
681 static gboolean
qapi_event_throttle_equal(const void *a
, const void *b
)
683 const MonitorQAPIEventState
*eva
= a
;
684 const MonitorQAPIEventState
*evb
= b
;
686 if (eva
->event
!= evb
->event
) {
690 if (eva
->event
== QAPI_EVENT_VSERPORT_CHANGE
) {
691 return !strcmp(qdict_get_str(eva
->data
, "id"),
692 qdict_get_str(evb
->data
, "id"));
695 if (eva
->event
== QAPI_EVENT_QUORUM_REPORT_BAD
) {
696 return !strcmp(qdict_get_str(eva
->data
, "node-name"),
697 qdict_get_str(evb
->data
, "node-name"));
703 static void monitor_qapi_event_init(void)
705 monitor_qapi_event_state
= g_hash_table_new(qapi_event_throttle_hash
,
706 qapi_event_throttle_equal
);
707 qmp_event_set_func_emit(monitor_qapi_event_queue
);
710 static void handle_hmp_command(Monitor
*mon
, const char *cmdline
);
712 static void monitor_iothread_init(void);
714 static void monitor_data_init(Monitor
*mon
, bool skip_flush
,
717 if (use_io_thread
&& !mon_iothread
) {
718 monitor_iothread_init();
720 memset(mon
, 0, sizeof(Monitor
));
721 qemu_mutex_init(&mon
->mon_lock
);
722 qemu_mutex_init(&mon
->qmp
.qmp_queue_lock
);
723 mon
->outbuf
= qstring_new();
724 /* Use *mon_cmds by default. */
725 mon
->cmd_table
= mon_cmds
;
726 mon
->skip_flush
= skip_flush
;
727 mon
->use_io_thread
= use_io_thread
;
728 mon
->qmp
.qmp_requests
= g_queue_new();
731 static void monitor_data_destroy(Monitor
*mon
)
733 g_free(mon
->mon_cpu_path
);
734 qemu_chr_fe_deinit(&mon
->chr
, false);
735 if (monitor_is_qmp(mon
)) {
736 json_message_parser_destroy(&mon
->qmp
.parser
);
738 readline_free(mon
->rs
);
739 qobject_unref(mon
->outbuf
);
740 qemu_mutex_destroy(&mon
->mon_lock
);
741 qemu_mutex_destroy(&mon
->qmp
.qmp_queue_lock
);
742 monitor_qmp_cleanup_req_queue_locked(mon
);
743 g_queue_free(mon
->qmp
.qmp_requests
);
746 char *qmp_human_monitor_command(const char *command_line
, bool has_cpu_index
,
747 int64_t cpu_index
, Error
**errp
)
750 Monitor
*old_mon
, hmp
;
752 monitor_data_init(&hmp
, true, false);
758 int ret
= monitor_set_cpu(cpu_index
);
761 error_setg(errp
, QERR_INVALID_PARAMETER_VALUE
, "cpu-index",
767 handle_hmp_command(&hmp
, command_line
);
770 qemu_mutex_lock(&hmp
.mon_lock
);
771 if (qstring_get_length(hmp
.outbuf
) > 0) {
772 output
= g_strdup(qstring_get_str(hmp
.outbuf
));
774 output
= g_strdup("");
776 qemu_mutex_unlock(&hmp
.mon_lock
);
779 monitor_data_destroy(&hmp
);
783 static int compare_cmd(const char *name
, const char *list
)
785 const char *p
, *pstart
;
791 p
= qemu_strchrnul(p
, '|');
792 if ((p
- pstart
) == len
&& !memcmp(pstart
, name
, len
))
801 static int get_str(char *buf
, int buf_size
, const char **pp
)
809 while (qemu_isspace(*p
)) {
820 while (*p
!= '\0' && *p
!= '\"') {
836 printf("unsupported escape code: '\\%c'\n", c
);
839 if ((q
- buf
) < buf_size
- 1) {
843 if ((q
- buf
) < buf_size
- 1) {
850 printf("unterminated string\n");
855 while (*p
!= '\0' && !qemu_isspace(*p
)) {
856 if ((q
- buf
) < buf_size
- 1) {
869 static void free_cmdline_args(char **args
, int nb_args
)
873 assert(nb_args
<= MAX_ARGS
);
875 for (i
= 0; i
< nb_args
; i
++) {
882 * Parse the command line to get valid args.
883 * @cmdline: command line to be parsed.
884 * @pnb_args: location to store the number of args, must NOT be NULL.
885 * @args: location to store the args, which should be freed by caller, must
888 * Returns 0 on success, negative on failure.
890 * NOTE: this parser is an approximate form of the real command parser. Number
891 * of args have a limit of MAX_ARGS. If cmdline contains more, it will
892 * return with failure.
894 static int parse_cmdline(const char *cmdline
,
895 int *pnb_args
, char **args
)
904 while (qemu_isspace(*p
)) {
910 if (nb_args
>= MAX_ARGS
) {
913 ret
= get_str(buf
, sizeof(buf
), &p
);
917 args
[nb_args
] = g_strdup(buf
);
924 free_cmdline_args(args
, nb_args
);
929 * Can command @cmd be executed in preconfig state?
931 static bool cmd_can_preconfig(const mon_cmd_t
*cmd
)
937 return strchr(cmd
->flags
, 'p');
940 static void help_cmd_dump_one(Monitor
*mon
,
941 const mon_cmd_t
*cmd
,
947 if (runstate_check(RUN_STATE_PRECONFIG
) && !cmd_can_preconfig(cmd
)) {
951 for (i
= 0; i
< prefix_args_nb
; i
++) {
952 monitor_printf(mon
, "%s ", prefix_args
[i
]);
954 monitor_printf(mon
, "%s %s -- %s\n", cmd
->name
, cmd
->params
, cmd
->help
);
957 /* @args[@arg_index] is the valid command need to find in @cmds */
958 static void help_cmd_dump(Monitor
*mon
, const mon_cmd_t
*cmds
,
959 char **args
, int nb_args
, int arg_index
)
961 const mon_cmd_t
*cmd
;
964 /* No valid arg need to compare with, dump all in *cmds */
965 if (arg_index
>= nb_args
) {
966 for (cmd
= cmds
; cmd
->name
!= NULL
; cmd
++) {
967 help_cmd_dump_one(mon
, cmd
, args
, arg_index
);
972 /* Find one entry to dump */
973 for (cmd
= cmds
; cmd
->name
!= NULL
; cmd
++) {
974 if (compare_cmd(args
[arg_index
], cmd
->name
) &&
975 ((!runstate_check(RUN_STATE_PRECONFIG
) ||
976 cmd_can_preconfig(cmd
)))) {
977 if (cmd
->sub_table
) {
978 /* continue with next arg */
979 help_cmd_dump(mon
, cmd
->sub_table
,
980 args
, nb_args
, arg_index
+ 1);
982 help_cmd_dump_one(mon
, cmd
, args
, arg_index
);
988 /* Command not found */
989 monitor_printf(mon
, "unknown command: '");
990 for (i
= 0; i
<= arg_index
; i
++) {
991 monitor_printf(mon
, "%s%s", args
[i
], i
== arg_index
? "'\n" : " ");
995 static void help_cmd(Monitor
*mon
, const char *name
)
997 char *args
[MAX_ARGS
];
1000 /* 1. parse user input */
1002 /* special case for log, directly dump and return */
1003 if (!strcmp(name
, "log")) {
1004 const QEMULogItem
*item
;
1005 monitor_printf(mon
, "Log items (comma separated):\n");
1006 monitor_printf(mon
, "%-10s %s\n", "none", "remove all logs");
1007 for (item
= qemu_log_items
; item
->mask
!= 0; item
++) {
1008 monitor_printf(mon
, "%-10s %s\n", item
->name
, item
->help
);
1013 if (parse_cmdline(name
, &nb_args
, args
) < 0) {
1018 /* 2. dump the contents according to parsed args */
1019 help_cmd_dump(mon
, mon
->cmd_table
, args
, nb_args
, 0);
1021 free_cmdline_args(args
, nb_args
);
1024 static void do_help_cmd(Monitor
*mon
, const QDict
*qdict
)
1026 help_cmd(mon
, qdict_get_try_str(qdict
, "name"));
1029 static void hmp_trace_event(Monitor
*mon
, const QDict
*qdict
)
1031 const char *tp_name
= qdict_get_str(qdict
, "name");
1032 bool new_state
= qdict_get_bool(qdict
, "option");
1033 bool has_vcpu
= qdict_haskey(qdict
, "vcpu");
1034 int vcpu
= qdict_get_try_int(qdict
, "vcpu", 0);
1035 Error
*local_err
= NULL
;
1038 monitor_printf(mon
, "argument vcpu must be positive");
1042 qmp_trace_event_set_state(tp_name
, new_state
, true, true, has_vcpu
, vcpu
, &local_err
);
1044 error_report_err(local_err
);
1048 #ifdef CONFIG_TRACE_SIMPLE
1049 static void hmp_trace_file(Monitor
*mon
, const QDict
*qdict
)
1051 const char *op
= qdict_get_try_str(qdict
, "op");
1052 const char *arg
= qdict_get_try_str(qdict
, "arg");
1055 st_print_trace_file_status((FILE *)mon
, &monitor_fprintf
);
1056 } else if (!strcmp(op
, "on")) {
1057 st_set_trace_file_enabled(true);
1058 } else if (!strcmp(op
, "off")) {
1059 st_set_trace_file_enabled(false);
1060 } else if (!strcmp(op
, "flush")) {
1061 st_flush_trace_buffer();
1062 } else if (!strcmp(op
, "set")) {
1064 st_set_trace_file(arg
);
1067 monitor_printf(mon
, "unexpected argument \"%s\"\n", op
);
1068 help_cmd(mon
, "trace-file");
1073 static void hmp_info_help(Monitor
*mon
, const QDict
*qdict
)
1075 help_cmd(mon
, "info");
1078 static void query_commands_cb(QmpCommand
*cmd
, void *opaque
)
1080 CommandInfoList
*info
, **list
= opaque
;
1082 if (!cmd
->enabled
) {
1086 info
= g_malloc0(sizeof(*info
));
1087 info
->value
= g_malloc0(sizeof(*info
->value
));
1088 info
->value
->name
= g_strdup(cmd
->name
);
1093 CommandInfoList
*qmp_query_commands(Error
**errp
)
1095 CommandInfoList
*list
= NULL
;
1097 qmp_for_each_command(cur_mon
->qmp
.commands
, query_commands_cb
, &list
);
1102 EventInfoList
*qmp_query_events(Error
**errp
)
1104 EventInfoList
*info
, *ev_list
= NULL
;
1107 for (e
= 0 ; e
< QAPI_EVENT__MAX
; e
++) {
1108 const char *event_name
= QAPIEvent_str(e
);
1109 assert(event_name
!= NULL
);
1110 info
= g_malloc0(sizeof(*info
));
1111 info
->value
= g_malloc0(sizeof(*info
->value
));
1112 info
->value
->name
= g_strdup(event_name
);
1114 info
->next
= ev_list
;
1122 * Minor hack: generated marshalling suppressed for this command
1123 * ('gen': false in the schema) so we can parse the JSON string
1124 * directly into QObject instead of first parsing it with
1125 * visit_type_SchemaInfoList() into a SchemaInfoList, then marshal it
1126 * to QObject with generated output marshallers, every time. Instead,
1127 * we do it in test-qobject-input-visitor.c, just to make sure
1128 * qapi-gen.py's output actually conforms to the schema.
1130 static void qmp_query_qmp_schema(QDict
*qdict
, QObject
**ret_data
,
1133 *ret_data
= qobject_from_qlit(&qmp_schema_qlit
);
1137 * We used to define commands in qmp-commands.hx in addition to the
1138 * QAPI schema. This permitted defining some of them only in certain
1139 * configurations. query-commands has always reflected that (good,
1140 * because it lets QMP clients figure out what's actually available),
1141 * while query-qmp-schema never did (not so good). This function is a
1142 * hack to keep the configuration-specific commands defined exactly as
1143 * before, even though qmp-commands.hx is gone.
1145 * FIXME Educate the QAPI schema on configuration-specific commands,
1146 * and drop this hack.
1148 static void qmp_unregister_commands_hack(void)
1151 qmp_unregister_command(&qmp_commands
, "rtc-reset-reinjection");
1152 qmp_unregister_command(&qmp_commands
, "query-sev");
1153 qmp_unregister_command(&qmp_commands
, "query-sev-launch-measure");
1154 qmp_unregister_command(&qmp_commands
, "query-sev-capabilities");
1156 #ifndef TARGET_S390X
1157 qmp_unregister_command(&qmp_commands
, "dump-skeys");
1160 qmp_unregister_command(&qmp_commands
, "query-gic-capabilities");
1162 #if !defined(TARGET_S390X) && !defined(TARGET_I386)
1163 qmp_unregister_command(&qmp_commands
, "query-cpu-model-expansion");
1165 #if !defined(TARGET_S390X)
1166 qmp_unregister_command(&qmp_commands
, "query-cpu-model-baseline");
1167 qmp_unregister_command(&qmp_commands
, "query-cpu-model-comparison");
1169 #if !defined(TARGET_PPC) && !defined(TARGET_ARM) && !defined(TARGET_I386) \
1170 && !defined(TARGET_S390X)
1171 qmp_unregister_command(&qmp_commands
, "query-cpu-definitions");
1175 static void monitor_init_qmp_commands(void)
1178 * Two command lists:
1179 * - qmp_commands contains all QMP commands
1180 * - qmp_cap_negotiation_commands contains just
1181 * "qmp_capabilities", to enforce capability negotiation
1184 qmp_init_marshal(&qmp_commands
);
1186 qmp_register_command(&qmp_commands
, "query-qmp-schema",
1187 qmp_query_qmp_schema
, QCO_ALLOW_PRECONFIG
);
1188 qmp_register_command(&qmp_commands
, "device_add", qmp_device_add
,
1190 qmp_register_command(&qmp_commands
, "netdev_add", qmp_netdev_add
,
1193 qmp_unregister_commands_hack();
1195 QTAILQ_INIT(&qmp_cap_negotiation_commands
);
1196 qmp_register_command(&qmp_cap_negotiation_commands
, "qmp_capabilities",
1197 qmp_marshal_qmp_capabilities
, QCO_ALLOW_PRECONFIG
);
1200 static bool qmp_oob_enabled(Monitor
*mon
)
1202 return mon
->qmp
.capab
[QMP_CAPABILITY_OOB
];
1205 static void monitor_qmp_caps_reset(Monitor
*mon
)
1207 memset(mon
->qmp
.capab_offered
, 0, sizeof(mon
->qmp
.capab_offered
));
1208 memset(mon
->qmp
.capab
, 0, sizeof(mon
->qmp
.capab
));
1209 mon
->qmp
.capab_offered
[QMP_CAPABILITY_OOB
] = mon
->use_io_thread
;
1213 * Accept QMP capabilities in @list for @mon.
1214 * On success, set mon->qmp.capab[], and return true.
1215 * On error, set @errp, and return false.
1217 static bool qmp_caps_accept(Monitor
*mon
, QMPCapabilityList
*list
,
1220 GString
*unavailable
= NULL
;
1221 bool capab
[QMP_CAPABILITY__MAX
];
1223 memset(capab
, 0, sizeof(capab
));
1225 for (; list
; list
= list
->next
) {
1226 if (!mon
->qmp
.capab_offered
[list
->value
]) {
1228 unavailable
= g_string_new(QMPCapability_str(list
->value
));
1230 g_string_append_printf(unavailable
, ", %s",
1231 QMPCapability_str(list
->value
));
1234 capab
[list
->value
] = true;
1238 error_setg(errp
, "Capability %s not available", unavailable
->str
);
1239 g_string_free(unavailable
, true);
1243 memcpy(mon
->qmp
.capab
, capab
, sizeof(capab
));
1247 void qmp_qmp_capabilities(bool has_enable
, QMPCapabilityList
*enable
,
1250 if (cur_mon
->qmp
.commands
== &qmp_commands
) {
1251 error_set(errp
, ERROR_CLASS_COMMAND_NOT_FOUND
,
1252 "Capabilities negotiation is already complete, command "
1257 if (!qmp_caps_accept(cur_mon
, enable
, errp
)) {
1261 cur_mon
->qmp
.commands
= &qmp_commands
;
1264 /* Set the current CPU defined by the user. Callers must hold BQL. */
1265 int monitor_set_cpu(int cpu_index
)
1269 cpu
= qemu_get_cpu(cpu_index
);
1273 g_free(cur_mon
->mon_cpu_path
);
1274 cur_mon
->mon_cpu_path
= object_get_canonical_path(OBJECT(cpu
));
1278 /* Callers must hold BQL. */
1279 static CPUState
*mon_get_cpu_sync(bool synchronize
)
1283 if (cur_mon
->mon_cpu_path
) {
1284 cpu
= (CPUState
*) object_resolve_path_type(cur_mon
->mon_cpu_path
,
1287 g_free(cur_mon
->mon_cpu_path
);
1288 cur_mon
->mon_cpu_path
= NULL
;
1291 if (!cur_mon
->mon_cpu_path
) {
1295 monitor_set_cpu(first_cpu
->cpu_index
);
1299 cpu_synchronize_state(cpu
);
1304 CPUState
*mon_get_cpu(void)
1306 return mon_get_cpu_sync(true);
1309 CPUArchState
*mon_get_cpu_env(void)
1311 CPUState
*cs
= mon_get_cpu();
1313 return cs
? cs
->env_ptr
: NULL
;
1316 int monitor_get_cpu_index(void)
1318 CPUState
*cs
= mon_get_cpu_sync(false);
1320 return cs
? cs
->cpu_index
: UNASSIGNED_CPU_INDEX
;
1323 static void hmp_info_registers(Monitor
*mon
, const QDict
*qdict
)
1325 bool all_cpus
= qdict_get_try_bool(qdict
, "cpustate_all", false);
1330 monitor_printf(mon
, "\nCPU#%d\n", cs
->cpu_index
);
1331 cpu_dump_state(cs
, (FILE *)mon
, monitor_fprintf
, CPU_DUMP_FPU
);
1337 monitor_printf(mon
, "No CPU available\n");
1341 cpu_dump_state(cs
, (FILE *)mon
, monitor_fprintf
, CPU_DUMP_FPU
);
1346 static void hmp_info_jit(Monitor
*mon
, const QDict
*qdict
)
1348 if (!tcg_enabled()) {
1349 error_report("JIT information is only available with accel=tcg");
1353 dump_exec_info((FILE *)mon
, monitor_fprintf
);
1354 dump_drift_info((FILE *)mon
, monitor_fprintf
);
1357 static void hmp_info_opcount(Monitor
*mon
, const QDict
*qdict
)
1359 dump_opcount_info((FILE *)mon
, monitor_fprintf
);
1363 static void hmp_info_sync_profile(Monitor
*mon
, const QDict
*qdict
)
1365 int64_t max
= qdict_get_try_int(qdict
, "max", 10);
1366 bool mean
= qdict_get_try_bool(qdict
, "mean", false);
1367 bool coalesce
= !qdict_get_try_bool(qdict
, "no_coalesce", false);
1368 enum QSPSortBy sort_by
;
1370 sort_by
= mean
? QSP_SORT_BY_AVG_WAIT_TIME
: QSP_SORT_BY_TOTAL_WAIT_TIME
;
1371 qsp_report((FILE *)mon
, monitor_fprintf
, max
, sort_by
, coalesce
);
1374 static void hmp_info_history(Monitor
*mon
, const QDict
*qdict
)
1383 str
= readline_get_history(mon
->rs
, i
);
1386 monitor_printf(mon
, "%d: '%s'\n", i
, str
);
1391 static void hmp_info_cpustats(Monitor
*mon
, const QDict
*qdict
)
1393 CPUState
*cs
= mon_get_cpu();
1396 monitor_printf(mon
, "No CPU available\n");
1399 cpu_dump_statistics(cs
, (FILE *)mon
, &monitor_fprintf
, 0);
1402 static void hmp_info_trace_events(Monitor
*mon
, const QDict
*qdict
)
1404 const char *name
= qdict_get_try_str(qdict
, "name");
1405 bool has_vcpu
= qdict_haskey(qdict
, "vcpu");
1406 int vcpu
= qdict_get_try_int(qdict
, "vcpu", 0);
1407 TraceEventInfoList
*events
;
1408 TraceEventInfoList
*elem
;
1409 Error
*local_err
= NULL
;
1415 monitor_printf(mon
, "argument vcpu must be positive");
1419 events
= qmp_trace_event_get_state(name
, has_vcpu
, vcpu
, &local_err
);
1421 error_report_err(local_err
);
1425 for (elem
= events
; elem
!= NULL
; elem
= elem
->next
) {
1426 monitor_printf(mon
, "%s : state %u\n",
1428 elem
->value
->state
== TRACE_EVENT_STATE_ENABLED
? 1 : 0);
1430 qapi_free_TraceEventInfoList(events
);
1433 void qmp_client_migrate_info(const char *protocol
, const char *hostname
,
1434 bool has_port
, int64_t port
,
1435 bool has_tls_port
, int64_t tls_port
,
1436 bool has_cert_subject
, const char *cert_subject
,
1439 if (strcmp(protocol
, "spice") == 0) {
1440 if (!qemu_using_spice(errp
)) {
1444 if (!has_port
&& !has_tls_port
) {
1445 error_setg(errp
, QERR_MISSING_PARAMETER
, "port/tls-port");
1449 if (qemu_spice_migrate_info(hostname
,
1450 has_port
? port
: -1,
1451 has_tls_port
? tls_port
: -1,
1453 error_setg(errp
, QERR_UNDEFINED_ERROR
);
1459 error_setg(errp
, QERR_INVALID_PARAMETER_VALUE
, "protocol", "spice");
1462 static void hmp_logfile(Monitor
*mon
, const QDict
*qdict
)
1466 qemu_set_log_filename(qdict_get_str(qdict
, "filename"), &err
);
1468 error_report_err(err
);
1472 static void hmp_log(Monitor
*mon
, const QDict
*qdict
)
1475 const char *items
= qdict_get_str(qdict
, "items");
1477 if (!strcmp(items
, "none")) {
1480 mask
= qemu_str_to_log_mask(items
);
1482 help_cmd(mon
, "log");
1489 static void hmp_singlestep(Monitor
*mon
, const QDict
*qdict
)
1491 const char *option
= qdict_get_try_str(qdict
, "option");
1492 if (!option
|| !strcmp(option
, "on")) {
1494 } else if (!strcmp(option
, "off")) {
1497 monitor_printf(mon
, "unexpected option %s\n", option
);
1501 static void hmp_gdbserver(Monitor
*mon
, const QDict
*qdict
)
1503 const char *device
= qdict_get_try_str(qdict
, "device");
1505 device
= "tcp::" DEFAULT_GDBSTUB_PORT
;
1506 if (gdbserver_start(device
) < 0) {
1507 monitor_printf(mon
, "Could not open gdbserver on device '%s'\n",
1509 } else if (strcmp(device
, "none") == 0) {
1510 monitor_printf(mon
, "Disabled gdbserver\n");
1512 monitor_printf(mon
, "Waiting for gdb connection on device '%s'\n",
1517 static void hmp_watchdog_action(Monitor
*mon
, const QDict
*qdict
)
1519 const char *action
= qdict_get_str(qdict
, "action");
1520 if (select_watchdog_action(action
) == -1) {
1521 monitor_printf(mon
, "Unknown watchdog action '%s'\n", action
);
1525 static void monitor_printc(Monitor
*mon
, int c
)
1527 monitor_printf(mon
, "'");
1530 monitor_printf(mon
, "\\'");
1533 monitor_printf(mon
, "\\\\");
1536 monitor_printf(mon
, "\\n");
1539 monitor_printf(mon
, "\\r");
1542 if (c
>= 32 && c
<= 126) {
1543 monitor_printf(mon
, "%c", c
);
1545 monitor_printf(mon
, "\\x%02x", c
);
1549 monitor_printf(mon
, "'");
1552 static void memory_dump(Monitor
*mon
, int count
, int format
, int wsize
,
1553 hwaddr addr
, int is_physical
)
1555 int l
, line_size
, i
, max_digits
, len
;
1558 CPUState
*cs
= mon_get_cpu();
1560 if (!cs
&& (format
== 'i' || !is_physical
)) {
1561 monitor_printf(mon
, "Can not dump without CPU\n");
1565 if (format
== 'i') {
1566 monitor_disas(mon
, cs
, addr
, count
, is_physical
);
1570 len
= wsize
* count
;
1579 max_digits
= DIV_ROUND_UP(wsize
* 8, 3);
1583 max_digits
= (wsize
* 8) / 4;
1587 max_digits
= DIV_ROUND_UP(wsize
* 8 * 10, 33);
1596 monitor_printf(mon
, TARGET_FMT_plx
":", addr
);
1598 monitor_printf(mon
, TARGET_FMT_lx
":", (target_ulong
)addr
);
1603 cpu_physical_memory_read(addr
, buf
, l
);
1605 if (cpu_memory_rw_debug(cs
, addr
, buf
, l
, 0) < 0) {
1606 monitor_printf(mon
, " Cannot access memory\n");
1615 v
= ldub_p(buf
+ i
);
1618 v
= lduw_p(buf
+ i
);
1621 v
= (uint32_t)ldl_p(buf
+ i
);
1627 monitor_printf(mon
, " ");
1630 monitor_printf(mon
, "%#*" PRIo64
, max_digits
, v
);
1633 monitor_printf(mon
, "0x%0*" PRIx64
, max_digits
, v
);
1636 monitor_printf(mon
, "%*" PRIu64
, max_digits
, v
);
1639 monitor_printf(mon
, "%*" PRId64
, max_digits
, v
);
1642 monitor_printc(mon
, v
);
1647 monitor_printf(mon
, "\n");
1653 static void hmp_memory_dump(Monitor
*mon
, const QDict
*qdict
)
1655 int count
= qdict_get_int(qdict
, "count");
1656 int format
= qdict_get_int(qdict
, "format");
1657 int size
= qdict_get_int(qdict
, "size");
1658 target_long addr
= qdict_get_int(qdict
, "addr");
1660 memory_dump(mon
, count
, format
, size
, addr
, 0);
1663 static void hmp_physical_memory_dump(Monitor
*mon
, const QDict
*qdict
)
1665 int count
= qdict_get_int(qdict
, "count");
1666 int format
= qdict_get_int(qdict
, "format");
1667 int size
= qdict_get_int(qdict
, "size");
1668 hwaddr addr
= qdict_get_int(qdict
, "addr");
1670 memory_dump(mon
, count
, format
, size
, addr
, 1);
1673 static void *gpa2hva(MemoryRegion
**p_mr
, hwaddr addr
, Error
**errp
)
1675 MemoryRegionSection mrs
= memory_region_find(get_system_memory(),
1679 error_setg(errp
, "No memory is mapped at address 0x%" HWADDR_PRIx
, addr
);
1683 if (!memory_region_is_ram(mrs
.mr
) && !memory_region_is_romd(mrs
.mr
)) {
1684 error_setg(errp
, "Memory at address 0x%" HWADDR_PRIx
"is not RAM", addr
);
1685 memory_region_unref(mrs
.mr
);
1690 return qemu_map_ram_ptr(mrs
.mr
->ram_block
, mrs
.offset_within_region
);
1693 static void hmp_gpa2hva(Monitor
*mon
, const QDict
*qdict
)
1695 hwaddr addr
= qdict_get_int(qdict
, "addr");
1696 Error
*local_err
= NULL
;
1697 MemoryRegion
*mr
= NULL
;
1700 ptr
= gpa2hva(&mr
, addr
, &local_err
);
1702 error_report_err(local_err
);
1706 monitor_printf(mon
, "Host virtual address for 0x%" HWADDR_PRIx
1708 addr
, mr
->name
, ptr
);
1710 memory_region_unref(mr
);
1714 static uint64_t vtop(void *ptr
, Error
**errp
)
1718 uintptr_t addr
= (uintptr_t) ptr
;
1719 uintptr_t pagesize
= getpagesize();
1720 off_t offset
= addr
/ pagesize
* sizeof(pinfo
);
1723 fd
= open("/proc/self/pagemap", O_RDONLY
);
1725 error_setg_errno(errp
, errno
, "Cannot open /proc/self/pagemap");
1729 /* Force copy-on-write if necessary. */
1730 atomic_add((uint8_t *)ptr
, 0);
1732 if (pread(fd
, &pinfo
, sizeof(pinfo
), offset
) != sizeof(pinfo
)) {
1733 error_setg_errno(errp
, errno
, "Cannot read pagemap");
1736 if ((pinfo
& (1ull << 63)) == 0) {
1737 error_setg(errp
, "Page not present");
1740 ret
= ((pinfo
& 0x007fffffffffffffull
) * pagesize
) | (addr
& (pagesize
- 1));
1747 static void hmp_gpa2hpa(Monitor
*mon
, const QDict
*qdict
)
1749 hwaddr addr
= qdict_get_int(qdict
, "addr");
1750 Error
*local_err
= NULL
;
1751 MemoryRegion
*mr
= NULL
;
1755 ptr
= gpa2hva(&mr
, addr
, &local_err
);
1757 error_report_err(local_err
);
1761 physaddr
= vtop(ptr
, &local_err
);
1763 error_report_err(local_err
);
1765 monitor_printf(mon
, "Host physical address for 0x%" HWADDR_PRIx
1766 " (%s) is 0x%" PRIx64
"\n",
1767 addr
, mr
->name
, (uint64_t) physaddr
);
1770 memory_region_unref(mr
);
1774 static void do_print(Monitor
*mon
, const QDict
*qdict
)
1776 int format
= qdict_get_int(qdict
, "format");
1777 hwaddr val
= qdict_get_int(qdict
, "val");
1781 monitor_printf(mon
, "%#" HWADDR_PRIo
, val
);
1784 monitor_printf(mon
, "%#" HWADDR_PRIx
, val
);
1787 monitor_printf(mon
, "%" HWADDR_PRIu
, val
);
1791 monitor_printf(mon
, "%" HWADDR_PRId
, val
);
1794 monitor_printc(mon
, val
);
1797 monitor_printf(mon
, "\n");
1800 static void hmp_sum(Monitor
*mon
, const QDict
*qdict
)
1804 uint32_t start
= qdict_get_int(qdict
, "start");
1805 uint32_t size
= qdict_get_int(qdict
, "size");
1808 for(addr
= start
; addr
< (start
+ size
); addr
++) {
1809 uint8_t val
= address_space_ldub(&address_space_memory
, addr
,
1810 MEMTXATTRS_UNSPECIFIED
, NULL
);
1811 /* BSD sum algorithm ('sum' Unix command) */
1812 sum
= (sum
>> 1) | (sum
<< 15);
1815 monitor_printf(mon
, "%05d\n", sum
);
1818 static int mouse_button_state
;
1820 static void hmp_mouse_move(Monitor
*mon
, const QDict
*qdict
)
1822 int dx
, dy
, dz
, button
;
1823 const char *dx_str
= qdict_get_str(qdict
, "dx_str");
1824 const char *dy_str
= qdict_get_str(qdict
, "dy_str");
1825 const char *dz_str
= qdict_get_try_str(qdict
, "dz_str");
1827 dx
= strtol(dx_str
, NULL
, 0);
1828 dy
= strtol(dy_str
, NULL
, 0);
1829 qemu_input_queue_rel(NULL
, INPUT_AXIS_X
, dx
);
1830 qemu_input_queue_rel(NULL
, INPUT_AXIS_Y
, dy
);
1833 dz
= strtol(dz_str
, NULL
, 0);
1835 button
= (dz
> 0) ? INPUT_BUTTON_WHEEL_UP
: INPUT_BUTTON_WHEEL_DOWN
;
1836 qemu_input_queue_btn(NULL
, button
, true);
1837 qemu_input_event_sync();
1838 qemu_input_queue_btn(NULL
, button
, false);
1841 qemu_input_event_sync();
1844 static void hmp_mouse_button(Monitor
*mon
, const QDict
*qdict
)
1846 static uint32_t bmap
[INPUT_BUTTON__MAX
] = {
1847 [INPUT_BUTTON_LEFT
] = MOUSE_EVENT_LBUTTON
,
1848 [INPUT_BUTTON_MIDDLE
] = MOUSE_EVENT_MBUTTON
,
1849 [INPUT_BUTTON_RIGHT
] = MOUSE_EVENT_RBUTTON
,
1851 int button_state
= qdict_get_int(qdict
, "button_state");
1853 if (mouse_button_state
== button_state
) {
1856 qemu_input_update_buttons(NULL
, bmap
, mouse_button_state
, button_state
);
1857 qemu_input_event_sync();
1858 mouse_button_state
= button_state
;
1861 static void hmp_ioport_read(Monitor
*mon
, const QDict
*qdict
)
1863 int size
= qdict_get_int(qdict
, "size");
1864 int addr
= qdict_get_int(qdict
, "addr");
1865 int has_index
= qdict_haskey(qdict
, "index");
1870 int index
= qdict_get_int(qdict
, "index");
1871 cpu_outb(addr
& IOPORTS_MASK
, index
& 0xff);
1879 val
= cpu_inb(addr
);
1883 val
= cpu_inw(addr
);
1887 val
= cpu_inl(addr
);
1891 monitor_printf(mon
, "port%c[0x%04x] = %#0*x\n",
1892 suffix
, addr
, size
* 2, val
);
1895 static void hmp_ioport_write(Monitor
*mon
, const QDict
*qdict
)
1897 int size
= qdict_get_int(qdict
, "size");
1898 int addr
= qdict_get_int(qdict
, "addr");
1899 int val
= qdict_get_int(qdict
, "val");
1901 addr
&= IOPORTS_MASK
;
1906 cpu_outb(addr
, val
);
1909 cpu_outw(addr
, val
);
1912 cpu_outl(addr
, val
);
1917 static void hmp_boot_set(Monitor
*mon
, const QDict
*qdict
)
1919 Error
*local_err
= NULL
;
1920 const char *bootdevice
= qdict_get_str(qdict
, "bootdevice");
1922 qemu_boot_set(bootdevice
, &local_err
);
1924 error_report_err(local_err
);
1926 monitor_printf(mon
, "boot device list now set to %s\n", bootdevice
);
1930 static void hmp_info_mtree(Monitor
*mon
, const QDict
*qdict
)
1932 bool flatview
= qdict_get_try_bool(qdict
, "flatview", false);
1933 bool dispatch_tree
= qdict_get_try_bool(qdict
, "dispatch_tree", false);
1934 bool owner
= qdict_get_try_bool(qdict
, "owner", false);
1936 mtree_info((fprintf_function
)monitor_printf
, mon
, flatview
, dispatch_tree
,
1940 static void hmp_info_numa(Monitor
*mon
, const QDict
*qdict
)
1943 NumaNodeMem
*node_mem
;
1944 CpuInfoList
*cpu_list
, *cpu
;
1946 cpu_list
= qmp_query_cpus(&error_abort
);
1947 node_mem
= g_new0(NumaNodeMem
, nb_numa_nodes
);
1949 query_numa_node_mem(node_mem
);
1950 monitor_printf(mon
, "%d nodes\n", nb_numa_nodes
);
1951 for (i
= 0; i
< nb_numa_nodes
; i
++) {
1952 monitor_printf(mon
, "node %d cpus:", i
);
1953 for (cpu
= cpu_list
; cpu
; cpu
= cpu
->next
) {
1954 if (cpu
->value
->has_props
&& cpu
->value
->props
->has_node_id
&&
1955 cpu
->value
->props
->node_id
== i
) {
1956 monitor_printf(mon
, " %" PRIi64
, cpu
->value
->CPU
);
1959 monitor_printf(mon
, "\n");
1960 monitor_printf(mon
, "node %d size: %" PRId64
" MB\n", i
,
1961 node_mem
[i
].node_mem
>> 20);
1962 monitor_printf(mon
, "node %d plugged: %" PRId64
" MB\n", i
,
1963 node_mem
[i
].node_plugged_mem
>> 20);
1965 qapi_free_CpuInfoList(cpu_list
);
1969 #ifdef CONFIG_PROFILER
1973 static void hmp_info_profile(Monitor
*mon
, const QDict
*qdict
)
1975 static int64_t last_cpu_exec_time
;
1976 int64_t cpu_exec_time
;
1979 cpu_exec_time
= tcg_cpu_exec_time();
1980 delta
= cpu_exec_time
- last_cpu_exec_time
;
1982 monitor_printf(mon
, "async time %" PRId64
" (%0.3f)\n",
1983 dev_time
, dev_time
/ (double)NANOSECONDS_PER_SECOND
);
1984 monitor_printf(mon
, "qemu time %" PRId64
" (%0.3f)\n",
1985 delta
, delta
/ (double)NANOSECONDS_PER_SECOND
);
1986 last_cpu_exec_time
= cpu_exec_time
;
1990 static void hmp_info_profile(Monitor
*mon
, const QDict
*qdict
)
1992 monitor_printf(mon
, "Internal profiler not compiled\n");
1996 /* Capture support */
1997 static QLIST_HEAD (capture_list_head
, CaptureState
) capture_head
;
1999 static void hmp_info_capture(Monitor
*mon
, const QDict
*qdict
)
2004 for (s
= capture_head
.lh_first
, i
= 0; s
; s
= s
->entries
.le_next
, ++i
) {
2005 monitor_printf(mon
, "[%d]: ", i
);
2006 s
->ops
.info (s
->opaque
);
2010 static void hmp_stopcapture(Monitor
*mon
, const QDict
*qdict
)
2013 int n
= qdict_get_int(qdict
, "n");
2016 for (s
= capture_head
.lh_first
, i
= 0; s
; s
= s
->entries
.le_next
, ++i
) {
2018 s
->ops
.destroy (s
->opaque
);
2019 QLIST_REMOVE (s
, entries
);
2026 static void hmp_wavcapture(Monitor
*mon
, const QDict
*qdict
)
2028 const char *path
= qdict_get_str(qdict
, "path");
2029 int has_freq
= qdict_haskey(qdict
, "freq");
2030 int freq
= qdict_get_try_int(qdict
, "freq", -1);
2031 int has_bits
= qdict_haskey(qdict
, "bits");
2032 int bits
= qdict_get_try_int(qdict
, "bits", -1);
2033 int has_channels
= qdict_haskey(qdict
, "nchannels");
2034 int nchannels
= qdict_get_try_int(qdict
, "nchannels", -1);
2037 s
= g_malloc0 (sizeof (*s
));
2039 freq
= has_freq
? freq
: 44100;
2040 bits
= has_bits
? bits
: 16;
2041 nchannels
= has_channels
? nchannels
: 2;
2043 if (wav_start_capture (s
, path
, freq
, bits
, nchannels
)) {
2044 monitor_printf(mon
, "Failed to add wave capture\n");
2048 QLIST_INSERT_HEAD (&capture_head
, s
, entries
);
2051 static qemu_acl
*find_acl(Monitor
*mon
, const char *name
)
2053 qemu_acl
*acl
= qemu_acl_find(name
);
2056 monitor_printf(mon
, "acl: unknown list '%s'\n", name
);
2061 static void hmp_acl_show(Monitor
*mon
, const QDict
*qdict
)
2063 const char *aclname
= qdict_get_str(qdict
, "aclname");
2064 qemu_acl
*acl
= find_acl(mon
, aclname
);
2065 qemu_acl_entry
*entry
;
2069 monitor_printf(mon
, "policy: %s\n",
2070 acl
->defaultDeny
? "deny" : "allow");
2071 QTAILQ_FOREACH(entry
, &acl
->entries
, next
) {
2073 monitor_printf(mon
, "%d: %s %s\n", i
,
2074 entry
->deny
? "deny" : "allow", entry
->match
);
2079 static void hmp_acl_reset(Monitor
*mon
, const QDict
*qdict
)
2081 const char *aclname
= qdict_get_str(qdict
, "aclname");
2082 qemu_acl
*acl
= find_acl(mon
, aclname
);
2085 qemu_acl_reset(acl
);
2086 monitor_printf(mon
, "acl: removed all rules\n");
2090 static void hmp_acl_policy(Monitor
*mon
, const QDict
*qdict
)
2092 const char *aclname
= qdict_get_str(qdict
, "aclname");
2093 const char *policy
= qdict_get_str(qdict
, "policy");
2094 qemu_acl
*acl
= find_acl(mon
, aclname
);
2097 if (strcmp(policy
, "allow") == 0) {
2098 acl
->defaultDeny
= 0;
2099 monitor_printf(mon
, "acl: policy set to 'allow'\n");
2100 } else if (strcmp(policy
, "deny") == 0) {
2101 acl
->defaultDeny
= 1;
2102 monitor_printf(mon
, "acl: policy set to 'deny'\n");
2104 monitor_printf(mon
, "acl: unknown policy '%s', "
2105 "expected 'deny' or 'allow'\n", policy
);
2110 static void hmp_acl_add(Monitor
*mon
, const QDict
*qdict
)
2112 const char *aclname
= qdict_get_str(qdict
, "aclname");
2113 const char *match
= qdict_get_str(qdict
, "match");
2114 const char *policy
= qdict_get_str(qdict
, "policy");
2115 int has_index
= qdict_haskey(qdict
, "index");
2116 int index
= qdict_get_try_int(qdict
, "index", -1);
2117 qemu_acl
*acl
= find_acl(mon
, aclname
);
2121 if (strcmp(policy
, "allow") == 0) {
2123 } else if (strcmp(policy
, "deny") == 0) {
2126 monitor_printf(mon
, "acl: unknown policy '%s', "
2127 "expected 'deny' or 'allow'\n", policy
);
2131 ret
= qemu_acl_insert(acl
, deny
, match
, index
);
2133 ret
= qemu_acl_append(acl
, deny
, match
);
2135 monitor_printf(mon
, "acl: unable to add acl entry\n");
2137 monitor_printf(mon
, "acl: added rule at position %d\n", ret
);
2141 static void hmp_acl_remove(Monitor
*mon
, const QDict
*qdict
)
2143 const char *aclname
= qdict_get_str(qdict
, "aclname");
2144 const char *match
= qdict_get_str(qdict
, "match");
2145 qemu_acl
*acl
= find_acl(mon
, aclname
);
2149 ret
= qemu_acl_remove(acl
, match
);
2151 monitor_printf(mon
, "acl: no matching acl entry\n");
2153 monitor_printf(mon
, "acl: removed rule at position %d\n", ret
);
2157 void qmp_getfd(const char *fdname
, Error
**errp
)
2162 fd
= qemu_chr_fe_get_msgfd(&cur_mon
->chr
);
2164 error_setg(errp
, QERR_FD_NOT_SUPPLIED
);
2168 if (qemu_isdigit(fdname
[0])) {
2170 error_setg(errp
, QERR_INVALID_PARAMETER_VALUE
, "fdname",
2171 "a name not starting with a digit");
2175 qemu_mutex_lock(&cur_mon
->mon_lock
);
2176 QLIST_FOREACH(monfd
, &cur_mon
->fds
, next
) {
2177 if (strcmp(monfd
->name
, fdname
) != 0) {
2183 qemu_mutex_unlock(&cur_mon
->mon_lock
);
2184 /* Make sure close() is outside critical section */
2189 monfd
= g_malloc0(sizeof(mon_fd_t
));
2190 monfd
->name
= g_strdup(fdname
);
2193 QLIST_INSERT_HEAD(&cur_mon
->fds
, monfd
, next
);
2194 qemu_mutex_unlock(&cur_mon
->mon_lock
);
2197 void qmp_closefd(const char *fdname
, Error
**errp
)
2202 qemu_mutex_lock(&cur_mon
->mon_lock
);
2203 QLIST_FOREACH(monfd
, &cur_mon
->fds
, next
) {
2204 if (strcmp(monfd
->name
, fdname
) != 0) {
2208 QLIST_REMOVE(monfd
, next
);
2210 g_free(monfd
->name
);
2212 qemu_mutex_unlock(&cur_mon
->mon_lock
);
2213 /* Make sure close() is outside critical section */
2218 qemu_mutex_unlock(&cur_mon
->mon_lock
);
2219 error_setg(errp
, QERR_FD_NOT_FOUND
, fdname
);
2222 int monitor_get_fd(Monitor
*mon
, const char *fdname
, Error
**errp
)
2226 qemu_mutex_lock(&mon
->mon_lock
);
2227 QLIST_FOREACH(monfd
, &mon
->fds
, next
) {
2230 if (strcmp(monfd
->name
, fdname
) != 0) {
2236 /* caller takes ownership of fd */
2237 QLIST_REMOVE(monfd
, next
);
2238 g_free(monfd
->name
);
2240 qemu_mutex_unlock(&mon
->mon_lock
);
2245 qemu_mutex_unlock(&mon
->mon_lock
);
2246 error_setg(errp
, "File descriptor named '%s' has not been found", fdname
);
2250 static void monitor_fdset_cleanup(MonFdset
*mon_fdset
)
2252 MonFdsetFd
*mon_fdset_fd
;
2253 MonFdsetFd
*mon_fdset_fd_next
;
2255 QLIST_FOREACH_SAFE(mon_fdset_fd
, &mon_fdset
->fds
, next
, mon_fdset_fd_next
) {
2256 if ((mon_fdset_fd
->removed
||
2257 (QLIST_EMPTY(&mon_fdset
->dup_fds
) && mon_refcount
== 0)) &&
2258 runstate_is_running()) {
2259 close(mon_fdset_fd
->fd
);
2260 g_free(mon_fdset_fd
->opaque
);
2261 QLIST_REMOVE(mon_fdset_fd
, next
);
2262 g_free(mon_fdset_fd
);
2266 if (QLIST_EMPTY(&mon_fdset
->fds
) && QLIST_EMPTY(&mon_fdset
->dup_fds
)) {
2267 QLIST_REMOVE(mon_fdset
, next
);
2272 static void monitor_fdsets_cleanup(void)
2274 MonFdset
*mon_fdset
;
2275 MonFdset
*mon_fdset_next
;
2277 qemu_mutex_lock(&mon_fdsets_lock
);
2278 QLIST_FOREACH_SAFE(mon_fdset
, &mon_fdsets
, next
, mon_fdset_next
) {
2279 monitor_fdset_cleanup(mon_fdset
);
2281 qemu_mutex_unlock(&mon_fdsets_lock
);
2284 AddfdInfo
*qmp_add_fd(bool has_fdset_id
, int64_t fdset_id
, bool has_opaque
,
2285 const char *opaque
, Error
**errp
)
2288 Monitor
*mon
= cur_mon
;
2291 fd
= qemu_chr_fe_get_msgfd(&mon
->chr
);
2293 error_setg(errp
, QERR_FD_NOT_SUPPLIED
);
2297 fdinfo
= monitor_fdset_add_fd(fd
, has_fdset_id
, fdset_id
,
2298 has_opaque
, opaque
, errp
);
2310 void qmp_remove_fd(int64_t fdset_id
, bool has_fd
, int64_t fd
, Error
**errp
)
2312 MonFdset
*mon_fdset
;
2313 MonFdsetFd
*mon_fdset_fd
;
2316 qemu_mutex_lock(&mon_fdsets_lock
);
2317 QLIST_FOREACH(mon_fdset
, &mon_fdsets
, next
) {
2318 if (mon_fdset
->id
!= fdset_id
) {
2321 QLIST_FOREACH(mon_fdset_fd
, &mon_fdset
->fds
, next
) {
2323 if (mon_fdset_fd
->fd
!= fd
) {
2326 mon_fdset_fd
->removed
= true;
2329 mon_fdset_fd
->removed
= true;
2332 if (has_fd
&& !mon_fdset_fd
) {
2335 monitor_fdset_cleanup(mon_fdset
);
2336 qemu_mutex_unlock(&mon_fdsets_lock
);
2341 qemu_mutex_unlock(&mon_fdsets_lock
);
2343 snprintf(fd_str
, sizeof(fd_str
), "fdset-id:%" PRId64
", fd:%" PRId64
,
2346 snprintf(fd_str
, sizeof(fd_str
), "fdset-id:%" PRId64
, fdset_id
);
2348 error_setg(errp
, QERR_FD_NOT_FOUND
, fd_str
);
2351 FdsetInfoList
*qmp_query_fdsets(Error
**errp
)
2353 MonFdset
*mon_fdset
;
2354 MonFdsetFd
*mon_fdset_fd
;
2355 FdsetInfoList
*fdset_list
= NULL
;
2357 qemu_mutex_lock(&mon_fdsets_lock
);
2358 QLIST_FOREACH(mon_fdset
, &mon_fdsets
, next
) {
2359 FdsetInfoList
*fdset_info
= g_malloc0(sizeof(*fdset_info
));
2360 FdsetFdInfoList
*fdsetfd_list
= NULL
;
2362 fdset_info
->value
= g_malloc0(sizeof(*fdset_info
->value
));
2363 fdset_info
->value
->fdset_id
= mon_fdset
->id
;
2365 QLIST_FOREACH(mon_fdset_fd
, &mon_fdset
->fds
, next
) {
2366 FdsetFdInfoList
*fdsetfd_info
;
2368 fdsetfd_info
= g_malloc0(sizeof(*fdsetfd_info
));
2369 fdsetfd_info
->value
= g_malloc0(sizeof(*fdsetfd_info
->value
));
2370 fdsetfd_info
->value
->fd
= mon_fdset_fd
->fd
;
2371 if (mon_fdset_fd
->opaque
) {
2372 fdsetfd_info
->value
->has_opaque
= true;
2373 fdsetfd_info
->value
->opaque
= g_strdup(mon_fdset_fd
->opaque
);
2375 fdsetfd_info
->value
->has_opaque
= false;
2378 fdsetfd_info
->next
= fdsetfd_list
;
2379 fdsetfd_list
= fdsetfd_info
;
2382 fdset_info
->value
->fds
= fdsetfd_list
;
2384 fdset_info
->next
= fdset_list
;
2385 fdset_list
= fdset_info
;
2387 qemu_mutex_unlock(&mon_fdsets_lock
);
2392 AddfdInfo
*monitor_fdset_add_fd(int fd
, bool has_fdset_id
, int64_t fdset_id
,
2393 bool has_opaque
, const char *opaque
,
2396 MonFdset
*mon_fdset
= NULL
;
2397 MonFdsetFd
*mon_fdset_fd
;
2400 qemu_mutex_lock(&mon_fdsets_lock
);
2402 QLIST_FOREACH(mon_fdset
, &mon_fdsets
, next
) {
2403 /* Break if match found or match impossible due to ordering by ID */
2404 if (fdset_id
<= mon_fdset
->id
) {
2405 if (fdset_id
< mon_fdset
->id
) {
2413 if (mon_fdset
== NULL
) {
2414 int64_t fdset_id_prev
= -1;
2415 MonFdset
*mon_fdset_cur
= QLIST_FIRST(&mon_fdsets
);
2419 error_setg(errp
, QERR_INVALID_PARAMETER_VALUE
, "fdset-id",
2420 "a non-negative value");
2421 qemu_mutex_unlock(&mon_fdsets_lock
);
2424 /* Use specified fdset ID */
2425 QLIST_FOREACH(mon_fdset
, &mon_fdsets
, next
) {
2426 mon_fdset_cur
= mon_fdset
;
2427 if (fdset_id
< mon_fdset_cur
->id
) {
2432 /* Use first available fdset ID */
2433 QLIST_FOREACH(mon_fdset
, &mon_fdsets
, next
) {
2434 mon_fdset_cur
= mon_fdset
;
2435 if (fdset_id_prev
== mon_fdset_cur
->id
- 1) {
2436 fdset_id_prev
= mon_fdset_cur
->id
;
2443 mon_fdset
= g_malloc0(sizeof(*mon_fdset
));
2445 mon_fdset
->id
= fdset_id
;
2447 mon_fdset
->id
= fdset_id_prev
+ 1;
2450 /* The fdset list is ordered by fdset ID */
2451 if (!mon_fdset_cur
) {
2452 QLIST_INSERT_HEAD(&mon_fdsets
, mon_fdset
, next
);
2453 } else if (mon_fdset
->id
< mon_fdset_cur
->id
) {
2454 QLIST_INSERT_BEFORE(mon_fdset_cur
, mon_fdset
, next
);
2456 QLIST_INSERT_AFTER(mon_fdset_cur
, mon_fdset
, next
);
2460 mon_fdset_fd
= g_malloc0(sizeof(*mon_fdset_fd
));
2461 mon_fdset_fd
->fd
= fd
;
2462 mon_fdset_fd
->removed
= false;
2464 mon_fdset_fd
->opaque
= g_strdup(opaque
);
2466 QLIST_INSERT_HEAD(&mon_fdset
->fds
, mon_fdset_fd
, next
);
2468 fdinfo
= g_malloc0(sizeof(*fdinfo
));
2469 fdinfo
->fdset_id
= mon_fdset
->id
;
2470 fdinfo
->fd
= mon_fdset_fd
->fd
;
2472 qemu_mutex_unlock(&mon_fdsets_lock
);
2476 int monitor_fdset_get_fd(int64_t fdset_id
, int flags
)
2481 MonFdset
*mon_fdset
;
2482 MonFdsetFd
*mon_fdset_fd
;
2486 qemu_mutex_lock(&mon_fdsets_lock
);
2487 QLIST_FOREACH(mon_fdset
, &mon_fdsets
, next
) {
2488 if (mon_fdset
->id
!= fdset_id
) {
2491 QLIST_FOREACH(mon_fdset_fd
, &mon_fdset
->fds
, next
) {
2492 mon_fd_flags
= fcntl(mon_fdset_fd
->fd
, F_GETFL
);
2493 if (mon_fd_flags
== -1) {
2498 if ((flags
& O_ACCMODE
) == (mon_fd_flags
& O_ACCMODE
)) {
2499 ret
= mon_fdset_fd
->fd
;
2509 qemu_mutex_unlock(&mon_fdsets_lock
);
2514 int monitor_fdset_dup_fd_add(int64_t fdset_id
, int dup_fd
)
2516 MonFdset
*mon_fdset
;
2517 MonFdsetFd
*mon_fdset_fd_dup
;
2519 qemu_mutex_lock(&mon_fdsets_lock
);
2520 QLIST_FOREACH(mon_fdset
, &mon_fdsets
, next
) {
2521 if (mon_fdset
->id
!= fdset_id
) {
2524 QLIST_FOREACH(mon_fdset_fd_dup
, &mon_fdset
->dup_fds
, next
) {
2525 if (mon_fdset_fd_dup
->fd
== dup_fd
) {
2529 mon_fdset_fd_dup
= g_malloc0(sizeof(*mon_fdset_fd_dup
));
2530 mon_fdset_fd_dup
->fd
= dup_fd
;
2531 QLIST_INSERT_HEAD(&mon_fdset
->dup_fds
, mon_fdset_fd_dup
, next
);
2532 qemu_mutex_unlock(&mon_fdsets_lock
);
2537 qemu_mutex_unlock(&mon_fdsets_lock
);
2541 static int monitor_fdset_dup_fd_find_remove(int dup_fd
, bool remove
)
2543 MonFdset
*mon_fdset
;
2544 MonFdsetFd
*mon_fdset_fd_dup
;
2546 qemu_mutex_lock(&mon_fdsets_lock
);
2547 QLIST_FOREACH(mon_fdset
, &mon_fdsets
, next
) {
2548 QLIST_FOREACH(mon_fdset_fd_dup
, &mon_fdset
->dup_fds
, next
) {
2549 if (mon_fdset_fd_dup
->fd
== dup_fd
) {
2551 QLIST_REMOVE(mon_fdset_fd_dup
, next
);
2552 if (QLIST_EMPTY(&mon_fdset
->dup_fds
)) {
2553 monitor_fdset_cleanup(mon_fdset
);
2557 qemu_mutex_unlock(&mon_fdsets_lock
);
2558 return mon_fdset
->id
;
2565 qemu_mutex_unlock(&mon_fdsets_lock
);
2569 int monitor_fdset_dup_fd_find(int dup_fd
)
2571 return monitor_fdset_dup_fd_find_remove(dup_fd
, false);
2574 void monitor_fdset_dup_fd_remove(int dup_fd
)
2576 monitor_fdset_dup_fd_find_remove(dup_fd
, true);
2579 int monitor_fd_param(Monitor
*mon
, const char *fdname
, Error
**errp
)
2582 Error
*local_err
= NULL
;
2584 if (!qemu_isdigit(fdname
[0]) && mon
) {
2585 fd
= monitor_get_fd(mon
, fdname
, &local_err
);
2587 fd
= qemu_parse_fd(fdname
);
2589 error_setg(&local_err
, "Invalid file descriptor number '%s'",
2594 error_propagate(errp
, local_err
);
2603 /* Please update hmp-commands.hx when adding or changing commands */
2604 static mon_cmd_t info_cmds
[] = {
2605 #include "hmp-commands-info.h"
2609 /* mon_cmds and info_cmds would be sorted at runtime */
2610 static mon_cmd_t mon_cmds
[] = {
2611 #include "hmp-commands.h"
2615 /*******************************************************************/
2617 static const char *pch
;
2618 static sigjmp_buf expr_env
;
2621 static void GCC_FMT_ATTR(2, 3) QEMU_NORETURN
2622 expr_error(Monitor
*mon
, const char *fmt
, ...)
2626 monitor_vprintf(mon
, fmt
, ap
);
2627 monitor_printf(mon
, "\n");
2629 siglongjmp(expr_env
, 1);
2632 /* return 0 if OK, -1 if not found */
2633 static int get_monitor_def(target_long
*pval
, const char *name
)
2635 const MonitorDef
*md
= target_monitor_defs();
2636 CPUState
*cs
= mon_get_cpu();
2641 if (cs
== NULL
|| md
== NULL
) {
2645 for(; md
->name
!= NULL
; md
++) {
2646 if (compare_cmd(name
, md
->name
)) {
2647 if (md
->get_value
) {
2648 *pval
= md
->get_value(md
, md
->offset
);
2650 CPUArchState
*env
= mon_get_cpu_env();
2651 ptr
= (uint8_t *)env
+ md
->offset
;
2654 *pval
= *(int32_t *)ptr
;
2657 *pval
= *(target_long
*)ptr
;
2668 ret
= target_get_monitor_def(cs
, name
, &tmp
);
2670 *pval
= (target_long
) tmp
;
2676 static void next(void)
2680 while (qemu_isspace(*pch
))
2685 static int64_t expr_sum(Monitor
*mon
);
2687 static int64_t expr_unary(Monitor
*mon
)
2696 n
= expr_unary(mon
);
2700 n
= -expr_unary(mon
);
2704 n
= ~expr_unary(mon
);
2710 expr_error(mon
, "')' expected");
2717 expr_error(mon
, "character constant expected");
2721 expr_error(mon
, "missing terminating \' character");
2731 while ((*pch
>= 'a' && *pch
<= 'z') ||
2732 (*pch
>= 'A' && *pch
<= 'Z') ||
2733 (*pch
>= '0' && *pch
<= '9') ||
2734 *pch
== '_' || *pch
== '.') {
2735 if ((q
- buf
) < sizeof(buf
) - 1)
2739 while (qemu_isspace(*pch
))
2742 ret
= get_monitor_def(®
, buf
);
2744 expr_error(mon
, "unknown register");
2749 expr_error(mon
, "unexpected end of expression");
2754 n
= strtoull(pch
, &p
, 0);
2755 if (errno
== ERANGE
) {
2756 expr_error(mon
, "number too large");
2759 expr_error(mon
, "invalid char '%c' in expression", *p
);
2762 while (qemu_isspace(*pch
))
2770 static int64_t expr_prod(Monitor
*mon
)
2775 val
= expr_unary(mon
);
2778 if (op
!= '*' && op
!= '/' && op
!= '%')
2781 val2
= expr_unary(mon
);
2790 expr_error(mon
, "division by zero");
2801 static int64_t expr_logic(Monitor
*mon
)
2806 val
= expr_prod(mon
);
2809 if (op
!= '&' && op
!= '|' && op
!= '^')
2812 val2
= expr_prod(mon
);
2829 static int64_t expr_sum(Monitor
*mon
)
2834 val
= expr_logic(mon
);
2837 if (op
!= '+' && op
!= '-')
2840 val2
= expr_logic(mon
);
2849 static int get_expr(Monitor
*mon
, int64_t *pval
, const char **pp
)
2852 if (sigsetjmp(expr_env
, 0)) {
2856 while (qemu_isspace(*pch
))
2858 *pval
= expr_sum(mon
);
2863 static int get_double(Monitor
*mon
, double *pval
, const char **pp
)
2865 const char *p
= *pp
;
2869 d
= strtod(p
, &tailp
);
2871 monitor_printf(mon
, "Number expected\n");
2874 if (d
!= d
|| d
- d
!= 0) {
2875 /* NaN or infinity */
2876 monitor_printf(mon
, "Bad number\n");
2885 * Store the command-name in cmdname, and return a pointer to
2886 * the remaining of the command string.
2888 static const char *get_command_name(const char *cmdline
,
2889 char *cmdname
, size_t nlen
)
2892 const char *p
, *pstart
;
2895 while (qemu_isspace(*p
))
2900 while (*p
!= '\0' && *p
!= '/' && !qemu_isspace(*p
))
2905 memcpy(cmdname
, pstart
, len
);
2906 cmdname
[len
] = '\0';
2911 * Read key of 'type' into 'key' and return the current
2914 static char *key_get_info(const char *type
, char **key
)
2922 p
= strchr(type
, ':');
2929 str
= g_malloc(len
+ 1);
2930 memcpy(str
, type
, len
);
2937 static int default_fmt_format
= 'x';
2938 static int default_fmt_size
= 4;
2940 static int is_valid_option(const char *c
, const char *typestr
)
2948 typestr
= strstr(typestr
, option
);
2949 return (typestr
!= NULL
);
2952 static const mon_cmd_t
*search_dispatch_table(const mon_cmd_t
*disp_table
,
2953 const char *cmdname
)
2955 const mon_cmd_t
*cmd
;
2957 for (cmd
= disp_table
; cmd
->name
!= NULL
; cmd
++) {
2958 if (compare_cmd(cmdname
, cmd
->name
)) {
2967 * Parse command name from @cmdp according to command table @table.
2968 * If blank, return NULL.
2969 * Else, if no valid command can be found, report to @mon, and return
2971 * Else, change @cmdp to point right behind the name, and return its
2972 * command table entry.
2973 * Do not assume the return value points into @table! It doesn't when
2974 * the command is found in a sub-command table.
2976 static const mon_cmd_t
*monitor_parse_command(Monitor
*mon
,
2977 const char *cmdp_start
,
2982 const mon_cmd_t
*cmd
;
2985 /* extract the command name */
2986 p
= get_command_name(*cmdp
, cmdname
, sizeof(cmdname
));
2990 cmd
= search_dispatch_table(table
, cmdname
);
2992 monitor_printf(mon
, "unknown command: '%.*s'\n",
2993 (int)(p
- cmdp_start
), cmdp_start
);
2996 if (runstate_check(RUN_STATE_PRECONFIG
) && !cmd_can_preconfig(cmd
)) {
2997 monitor_printf(mon
, "Command '%.*s' not available with -preconfig "
2998 "until after exit_preconfig.\n",
2999 (int)(p
- cmdp_start
), cmdp_start
);
3003 /* filter out following useless space */
3004 while (qemu_isspace(*p
)) {
3009 /* search sub command */
3010 if (cmd
->sub_table
!= NULL
&& *p
!= '\0') {
3011 return monitor_parse_command(mon
, cmdp_start
, cmdp
, cmd
->sub_table
);
3018 * Parse arguments for @cmd.
3019 * If it can't be parsed, report to @mon, and return NULL.
3020 * Else, insert command arguments into a QDict, and return it.
3021 * Note: On success, caller has to free the QDict structure.
3024 static QDict
*monitor_parse_arguments(Monitor
*mon
,
3026 const mon_cmd_t
*cmd
)
3028 const char *typestr
;
3031 const char *p
= *endp
;
3033 QDict
*qdict
= qdict_new();
3035 /* parse the parameters */
3036 typestr
= cmd
->args_type
;
3038 typestr
= key_get_info(typestr
, &key
);
3050 while (qemu_isspace(*p
))
3052 if (*typestr
== '?') {
3055 /* no optional string: NULL argument */
3059 ret
= get_str(buf
, sizeof(buf
), &p
);
3063 monitor_printf(mon
, "%s: filename expected\n",
3067 monitor_printf(mon
, "%s: block device name expected\n",
3071 monitor_printf(mon
, "%s: string expected\n", cmd
->name
);
3076 qdict_put_str(qdict
, key
, buf
);
3081 QemuOptsList
*opts_list
;
3084 opts_list
= qemu_find_opts(key
);
3085 if (!opts_list
|| opts_list
->desc
->name
) {
3088 while (qemu_isspace(*p
)) {
3093 if (get_str(buf
, sizeof(buf
), &p
) < 0) {
3096 opts
= qemu_opts_parse_noisily(opts_list
, buf
, true);
3100 qemu_opts_to_qdict(opts
, qdict
);
3101 qemu_opts_del(opts
);
3106 int count
, format
, size
;
3108 while (qemu_isspace(*p
))
3114 if (qemu_isdigit(*p
)) {
3116 while (qemu_isdigit(*p
)) {
3117 count
= count
* 10 + (*p
- '0');
3155 if (*p
!= '\0' && !qemu_isspace(*p
)) {
3156 monitor_printf(mon
, "invalid char in format: '%c'\n",
3161 format
= default_fmt_format
;
3162 if (format
!= 'i') {
3163 /* for 'i', not specifying a size gives -1 as size */
3165 size
= default_fmt_size
;
3166 default_fmt_size
= size
;
3168 default_fmt_format
= format
;
3171 format
= default_fmt_format
;
3172 if (format
!= 'i') {
3173 size
= default_fmt_size
;
3178 qdict_put_int(qdict
, "count", count
);
3179 qdict_put_int(qdict
, "format", format
);
3180 qdict_put_int(qdict
, "size", size
);
3189 while (qemu_isspace(*p
))
3191 if (*typestr
== '?' || *typestr
== '.') {
3192 if (*typestr
== '?') {
3200 while (qemu_isspace(*p
))
3209 if (get_expr(mon
, &val
, &p
))
3211 /* Check if 'i' is greater than 32-bit */
3212 if ((c
== 'i') && ((val
>> 32) & 0xffffffff)) {
3213 monitor_printf(mon
, "\'%s\' has failed: ", cmd
->name
);
3214 monitor_printf(mon
, "integer is for 32-bit values\n");
3216 } else if (c
== 'M') {
3218 monitor_printf(mon
, "enter a positive value\n");
3223 qdict_put_int(qdict
, key
, val
);
3232 while (qemu_isspace(*p
)) {
3235 if (*typestr
== '?') {
3241 ret
= qemu_strtosz_MiB(p
, &end
, &val
);
3242 if (ret
< 0 || val
> INT64_MAX
) {
3243 monitor_printf(mon
, "invalid size\n");
3246 qdict_put_int(qdict
, key
, val
);
3254 while (qemu_isspace(*p
))
3256 if (*typestr
== '?') {
3262 if (get_double(mon
, &val
, &p
) < 0) {
3265 if (p
[0] && p
[1] == 's') {
3268 val
/= 1e3
; p
+= 2; break;
3270 val
/= 1e6
; p
+= 2; break;
3272 val
/= 1e9
; p
+= 2; break;
3275 if (*p
&& !qemu_isspace(*p
)) {
3276 monitor_printf(mon
, "Unknown unit suffix\n");
3279 qdict_put(qdict
, key
, qnum_from_double(val
));
3287 while (qemu_isspace(*p
)) {
3291 while (qemu_isgraph(*p
)) {
3294 if (p
- beg
== 2 && !memcmp(beg
, "on", p
- beg
)) {
3296 } else if (p
- beg
== 3 && !memcmp(beg
, "off", p
- beg
)) {
3299 monitor_printf(mon
, "Expected 'on' or 'off'\n");
3302 qdict_put_bool(qdict
, key
, val
);
3307 const char *tmp
= p
;
3314 while (qemu_isspace(*p
))
3319 if(!is_valid_option(p
, typestr
)) {
3321 monitor_printf(mon
, "%s: unsupported option -%c\n",
3333 qdict_put_bool(qdict
, key
, true);
3340 /* package all remaining string */
3343 while (qemu_isspace(*p
)) {
3346 if (*typestr
== '?') {
3349 /* no remaining string: NULL argument */
3355 monitor_printf(mon
, "%s: string expected\n",
3359 qdict_put_str(qdict
, key
, p
);
3365 monitor_printf(mon
, "%s: unknown type '%c'\n", cmd
->name
, c
);
3371 /* check that all arguments were parsed */
3372 while (qemu_isspace(*p
))
3375 monitor_printf(mon
, "%s: extraneous characters at the end of line\n",
3383 qobject_unref(qdict
);
3388 static void handle_hmp_command(Monitor
*mon
, const char *cmdline
)
3391 const mon_cmd_t
*cmd
;
3392 const char *cmd_start
= cmdline
;
3394 trace_handle_hmp_command(mon
, cmdline
);
3396 cmd
= monitor_parse_command(mon
, cmdline
, &cmdline
, mon
->cmd_table
);
3401 qdict
= monitor_parse_arguments(mon
, &cmdline
, cmd
);
3403 while (cmdline
> cmd_start
&& qemu_isspace(cmdline
[-1])) {
3406 monitor_printf(mon
, "Try \"help %.*s\" for more information\n",
3407 (int)(cmdline
- cmd_start
), cmd_start
);
3411 cmd
->cmd(mon
, qdict
);
3412 qobject_unref(qdict
);
3415 static void cmd_completion(Monitor
*mon
, const char *name
, const char *list
)
3417 const char *p
, *pstart
;
3424 p
= qemu_strchrnul(p
, '|');
3426 if (len
> sizeof(cmd
) - 2)
3427 len
= sizeof(cmd
) - 2;
3428 memcpy(cmd
, pstart
, len
);
3430 if (name
[0] == '\0' || !strncmp(name
, cmd
, strlen(name
))) {
3431 readline_add_completion(mon
->rs
, cmd
);
3439 static void file_completion(Monitor
*mon
, const char *input
)
3444 char file
[1024], file_prefix
[1024];
3448 p
= strrchr(input
, '/');
3451 pstrcpy(file_prefix
, sizeof(file_prefix
), input
);
3452 pstrcpy(path
, sizeof(path
), ".");
3454 input_path_len
= p
- input
+ 1;
3455 memcpy(path
, input
, input_path_len
);
3456 if (input_path_len
> sizeof(path
) - 1)
3457 input_path_len
= sizeof(path
) - 1;
3458 path
[input_path_len
] = '\0';
3459 pstrcpy(file_prefix
, sizeof(file_prefix
), p
+ 1);
3462 ffs
= opendir(path
);
3471 if (strcmp(d
->d_name
, ".") == 0 || strcmp(d
->d_name
, "..") == 0) {
3475 if (strstart(d
->d_name
, file_prefix
, NULL
)) {
3476 memcpy(file
, input
, input_path_len
);
3477 if (input_path_len
< sizeof(file
))
3478 pstrcpy(file
+ input_path_len
, sizeof(file
) - input_path_len
,
3480 /* stat the file to find out if it's a directory.
3481 * In that case add a slash to speed up typing long paths
3483 if (stat(file
, &sb
) == 0 && S_ISDIR(sb
.st_mode
)) {
3484 pstrcat(file
, sizeof(file
), "/");
3486 readline_add_completion(mon
->rs
, file
);
3492 static const char *next_arg_type(const char *typestr
)
3494 const char *p
= strchr(typestr
, ':');
3495 return (p
!= NULL
? ++p
: typestr
);
3498 static void add_completion_option(ReadLineState
*rs
, const char *str
,
3501 if (!str
|| !option
) {
3504 if (!strncmp(option
, str
, strlen(str
))) {
3505 readline_add_completion(rs
, option
);
3509 void chardev_add_completion(ReadLineState
*rs
, int nb_args
, const char *str
)
3512 ChardevBackendInfoList
*list
, *start
;
3518 readline_set_completion_index(rs
, len
);
3520 start
= list
= qmp_query_chardev_backends(NULL
);
3522 const char *chr_name
= list
->value
->name
;
3524 if (!strncmp(chr_name
, str
, len
)) {
3525 readline_add_completion(rs
, chr_name
);
3529 qapi_free_ChardevBackendInfoList(start
);
3532 void netdev_add_completion(ReadLineState
*rs
, int nb_args
, const char *str
)
3541 readline_set_completion_index(rs
, len
);
3542 for (i
= 0; i
< NET_CLIENT_DRIVER__MAX
; i
++) {
3543 add_completion_option(rs
, str
, NetClientDriver_str(i
));
3547 void device_add_completion(ReadLineState
*rs
, int nb_args
, const char *str
)
3557 readline_set_completion_index(rs
, len
);
3558 list
= elt
= object_class_get_list(TYPE_DEVICE
, false);
3561 DeviceClass
*dc
= OBJECT_CLASS_CHECK(DeviceClass
, elt
->data
,
3563 name
= object_class_get_name(OBJECT_CLASS(dc
));
3565 if (dc
->user_creatable
3566 && !strncmp(name
, str
, len
)) {
3567 readline_add_completion(rs
, name
);
3574 void object_add_completion(ReadLineState
*rs
, int nb_args
, const char *str
)
3584 readline_set_completion_index(rs
, len
);
3585 list
= elt
= object_class_get_list(TYPE_USER_CREATABLE
, false);
3589 name
= object_class_get_name(OBJECT_CLASS(elt
->data
));
3590 if (!strncmp(name
, str
, len
) && strcmp(name
, TYPE_USER_CREATABLE
)) {
3591 readline_add_completion(rs
, name
);
3598 static void peripheral_device_del_completion(ReadLineState
*rs
,
3599 const char *str
, size_t len
)
3601 Object
*peripheral
= container_get(qdev_get_machine(), "/peripheral");
3602 GSList
*list
, *item
;
3604 list
= qdev_build_hotpluggable_device_list(peripheral
);
3609 for (item
= list
; item
; item
= g_slist_next(item
)) {
3610 DeviceState
*dev
= item
->data
;
3612 if (dev
->id
&& !strncmp(str
, dev
->id
, len
)) {
3613 readline_add_completion(rs
, dev
->id
);
3620 void chardev_remove_completion(ReadLineState
*rs
, int nb_args
, const char *str
)
3623 ChardevInfoList
*list
, *start
;
3629 readline_set_completion_index(rs
, len
);
3631 start
= list
= qmp_query_chardev(NULL
);
3633 ChardevInfo
*chr
= list
->value
;
3635 if (!strncmp(chr
->label
, str
, len
)) {
3636 readline_add_completion(rs
, chr
->label
);
3640 qapi_free_ChardevInfoList(start
);
3643 static void ringbuf_completion(ReadLineState
*rs
, const char *str
)
3646 ChardevInfoList
*list
, *start
;
3649 readline_set_completion_index(rs
, len
);
3651 start
= list
= qmp_query_chardev(NULL
);
3653 ChardevInfo
*chr_info
= list
->value
;
3655 if (!strncmp(chr_info
->label
, str
, len
)) {
3656 Chardev
*chr
= qemu_chr_find(chr_info
->label
);
3657 if (chr
&& CHARDEV_IS_RINGBUF(chr
)) {
3658 readline_add_completion(rs
, chr_info
->label
);
3663 qapi_free_ChardevInfoList(start
);
3666 void ringbuf_write_completion(ReadLineState
*rs
, int nb_args
, const char *str
)
3671 ringbuf_completion(rs
, str
);
3674 void device_del_completion(ReadLineState
*rs
, int nb_args
, const char *str
)
3683 readline_set_completion_index(rs
, len
);
3684 peripheral_device_del_completion(rs
, str
, len
);
3687 void object_del_completion(ReadLineState
*rs
, int nb_args
, const char *str
)
3689 ObjectPropertyInfoList
*list
, *start
;
3696 readline_set_completion_index(rs
, len
);
3698 start
= list
= qmp_qom_list("/objects", NULL
);
3700 ObjectPropertyInfo
*info
= list
->value
;
3702 if (!strncmp(info
->type
, "child<", 5)
3703 && !strncmp(info
->name
, str
, len
)) {
3704 readline_add_completion(rs
, info
->name
);
3708 qapi_free_ObjectPropertyInfoList(start
);
3711 void sendkey_completion(ReadLineState
*rs
, int nb_args
, const char *str
)
3720 sep
= strrchr(str
, '-');
3725 readline_set_completion_index(rs
, len
);
3726 for (i
= 0; i
< Q_KEY_CODE__MAX
; i
++) {
3727 if (!strncmp(str
, QKeyCode_str(i
), len
)) {
3728 readline_add_completion(rs
, QKeyCode_str(i
));
3733 void set_link_completion(ReadLineState
*rs
, int nb_args
, const char *str
)
3738 readline_set_completion_index(rs
, len
);
3740 NetClientState
*ncs
[MAX_QUEUE_NUM
];
3742 count
= qemu_find_net_clients_except(NULL
, ncs
,
3743 NET_CLIENT_DRIVER_NONE
,
3745 for (i
= 0; i
< MIN(count
, MAX_QUEUE_NUM
); i
++) {
3746 const char *name
= ncs
[i
]->name
;
3747 if (!strncmp(str
, name
, len
)) {
3748 readline_add_completion(rs
, name
);
3751 } else if (nb_args
== 3) {
3752 add_completion_option(rs
, str
, "on");
3753 add_completion_option(rs
, str
, "off");
3757 void netdev_del_completion(ReadLineState
*rs
, int nb_args
, const char *str
)
3760 NetClientState
*ncs
[MAX_QUEUE_NUM
];
3767 readline_set_completion_index(rs
, len
);
3768 count
= qemu_find_net_clients_except(NULL
, ncs
, NET_CLIENT_DRIVER_NIC
,
3770 for (i
= 0; i
< MIN(count
, MAX_QUEUE_NUM
); i
++) {
3772 const char *name
= ncs
[i
]->name
;
3773 if (strncmp(str
, name
, len
)) {
3776 opts
= qemu_opts_find(qemu_find_opts_err("netdev", NULL
), name
);
3778 readline_add_completion(rs
, name
);
3783 void info_trace_events_completion(ReadLineState
*rs
, int nb_args
, const char *str
)
3788 readline_set_completion_index(rs
, len
);
3790 TraceEventIter iter
;
3792 char *pattern
= g_strdup_printf("%s*", str
);
3793 trace_event_iter_init(&iter
, pattern
);
3794 while ((ev
= trace_event_iter_next(&iter
)) != NULL
) {
3795 readline_add_completion(rs
, trace_event_get_name(ev
));
3801 void trace_event_completion(ReadLineState
*rs
, int nb_args
, const char *str
)
3806 readline_set_completion_index(rs
, len
);
3808 TraceEventIter iter
;
3810 char *pattern
= g_strdup_printf("%s*", str
);
3811 trace_event_iter_init(&iter
, pattern
);
3812 while ((ev
= trace_event_iter_next(&iter
)) != NULL
) {
3813 readline_add_completion(rs
, trace_event_get_name(ev
));
3816 } else if (nb_args
== 3) {
3817 add_completion_option(rs
, str
, "on");
3818 add_completion_option(rs
, str
, "off");
3822 void watchdog_action_completion(ReadLineState
*rs
, int nb_args
, const char *str
)
3829 readline_set_completion_index(rs
, strlen(str
));
3830 for (i
= 0; i
< WATCHDOG_ACTION__MAX
; i
++) {
3831 add_completion_option(rs
, str
, WatchdogAction_str(i
));
3835 void migrate_set_capability_completion(ReadLineState
*rs
, int nb_args
,
3841 readline_set_completion_index(rs
, len
);
3844 for (i
= 0; i
< MIGRATION_CAPABILITY__MAX
; i
++) {
3845 const char *name
= MigrationCapability_str(i
);
3846 if (!strncmp(str
, name
, len
)) {
3847 readline_add_completion(rs
, name
);
3850 } else if (nb_args
== 3) {
3851 add_completion_option(rs
, str
, "on");
3852 add_completion_option(rs
, str
, "off");
3856 void migrate_set_parameter_completion(ReadLineState
*rs
, int nb_args
,
3862 readline_set_completion_index(rs
, len
);
3865 for (i
= 0; i
< MIGRATION_PARAMETER__MAX
; i
++) {
3866 const char *name
= MigrationParameter_str(i
);
3867 if (!strncmp(str
, name
, len
)) {
3868 readline_add_completion(rs
, name
);
3874 static void vm_completion(ReadLineState
*rs
, const char *str
)
3877 BlockDriverState
*bs
;
3878 BdrvNextIterator it
;
3881 readline_set_completion_index(rs
, len
);
3883 for (bs
= bdrv_first(&it
); bs
; bs
= bdrv_next(&it
)) {
3884 SnapshotInfoList
*snapshots
, *snapshot
;
3885 AioContext
*ctx
= bdrv_get_aio_context(bs
);
3888 aio_context_acquire(ctx
);
3889 if (bdrv_can_snapshot(bs
)) {
3890 ok
= bdrv_query_snapshot_info_list(bs
, &snapshots
, NULL
) == 0;
3892 aio_context_release(ctx
);
3897 snapshot
= snapshots
;
3899 char *completion
= snapshot
->value
->name
;
3900 if (!strncmp(str
, completion
, len
)) {
3901 readline_add_completion(rs
, completion
);
3903 completion
= snapshot
->value
->id
;
3904 if (!strncmp(str
, completion
, len
)) {
3905 readline_add_completion(rs
, completion
);
3907 snapshot
= snapshot
->next
;
3909 qapi_free_SnapshotInfoList(snapshots
);
3914 void delvm_completion(ReadLineState
*rs
, int nb_args
, const char *str
)
3917 vm_completion(rs
, str
);
3921 void loadvm_completion(ReadLineState
*rs
, int nb_args
, const char *str
)
3924 vm_completion(rs
, str
);
3928 static void monitor_find_completion_by_table(Monitor
*mon
,
3929 const mon_cmd_t
*cmd_table
,
3933 const char *cmdname
;
3935 const char *ptype
, *old_ptype
, *str
, *name
;
3936 const mon_cmd_t
*cmd
;
3937 BlockBackend
*blk
= NULL
;
3940 /* command completion */
3945 readline_set_completion_index(mon
->rs
, strlen(cmdname
));
3946 for (cmd
= cmd_table
; cmd
->name
!= NULL
; cmd
++) {
3947 if (!runstate_check(RUN_STATE_PRECONFIG
) ||
3948 cmd_can_preconfig(cmd
)) {
3949 cmd_completion(mon
, cmdname
, cmd
->name
);
3953 /* find the command */
3954 for (cmd
= cmd_table
; cmd
->name
!= NULL
; cmd
++) {
3955 if (compare_cmd(args
[0], cmd
->name
) &&
3956 (!runstate_check(RUN_STATE_PRECONFIG
) ||
3957 cmd_can_preconfig(cmd
))) {
3965 if (cmd
->sub_table
) {
3966 /* do the job again */
3967 monitor_find_completion_by_table(mon
, cmd
->sub_table
,
3968 &args
[1], nb_args
- 1);
3971 if (cmd
->command_completion
) {
3972 cmd
->command_completion(mon
->rs
, nb_args
, args
[nb_args
- 1]);
3976 ptype
= next_arg_type(cmd
->args_type
);
3977 for(i
= 0; i
< nb_args
- 2; i
++) {
3978 if (*ptype
!= '\0') {
3979 ptype
= next_arg_type(ptype
);
3980 while (*ptype
== '?')
3981 ptype
= next_arg_type(ptype
);
3984 str
= args
[nb_args
- 1];
3986 while (*ptype
== '-' && old_ptype
!= ptype
) {
3988 ptype
= next_arg_type(ptype
);
3992 /* file completion */
3993 readline_set_completion_index(mon
->rs
, strlen(str
));
3994 file_completion(mon
, str
);
3997 /* block device name completion */
3998 readline_set_completion_index(mon
->rs
, strlen(str
));
3999 while ((blk
= blk_next(blk
)) != NULL
) {
4000 name
= blk_name(blk
);
4001 if (str
[0] == '\0' ||
4002 !strncmp(name
, str
, strlen(str
))) {
4003 readline_add_completion(mon
->rs
, name
);
4009 if (!strcmp(cmd
->name
, "help|?")) {
4010 monitor_find_completion_by_table(mon
, cmd_table
,
4011 &args
[1], nb_args
- 1);
4020 static void monitor_find_completion(void *opaque
,
4021 const char *cmdline
)
4023 Monitor
*mon
= opaque
;
4024 char *args
[MAX_ARGS
];
4027 /* 1. parse the cmdline */
4028 if (parse_cmdline(cmdline
, &nb_args
, args
) < 0) {
4032 /* if the line ends with a space, it means we want to complete the
4034 len
= strlen(cmdline
);
4035 if (len
> 0 && qemu_isspace(cmdline
[len
- 1])) {
4036 if (nb_args
>= MAX_ARGS
) {
4039 args
[nb_args
++] = g_strdup("");
4042 /* 2. auto complete according to args */
4043 monitor_find_completion_by_table(mon
, mon
->cmd_table
, args
, nb_args
);
4046 free_cmdline_args(args
, nb_args
);
4049 static int monitor_can_read(void *opaque
)
4051 Monitor
*mon
= opaque
;
4053 return !atomic_mb_read(&mon
->suspend_cnt
);
4057 * Emit QMP response @rsp with ID @id to @mon.
4058 * Null @rsp can only happen for commands with QCO_NO_SUCCESS_RESP.
4059 * Nothing is emitted then.
4061 static void monitor_qmp_respond(Monitor
*mon
, QDict
*rsp
, QObject
*id
)
4065 qdict_put_obj(rsp
, "id", qobject_ref(id
));
4068 qmp_send_response(mon
, rsp
);
4072 static void monitor_qmp_dispatch(Monitor
*mon
, QObject
*req
, QObject
*id
)
4081 rsp
= qmp_dispatch(mon
->qmp
.commands
, req
, qmp_oob_enabled(mon
));
4085 if (mon
->qmp
.commands
== &qmp_cap_negotiation_commands
) {
4086 error
= qdict_get_qdict(rsp
, "error");
4088 && !g_strcmp0(qdict_get_try_str(error
, "class"),
4089 QapiErrorClass_str(ERROR_CLASS_COMMAND_NOT_FOUND
))) {
4090 /* Provide a more useful error message */
4091 qdict_del(error
, "desc");
4092 qdict_put_str(error
, "desc", "Expecting capabilities negotiation"
4093 " with 'qmp_capabilities'");
4097 monitor_qmp_respond(mon
, rsp
, id
);
4102 * Pop a QMP request from a monitor request queue.
4103 * Return the request, or NULL all request queues are empty.
4104 * We are using round-robin fashion to pop the request, to avoid
4105 * processing commands only on a very busy monitor. To achieve that,
4106 * when we process one request on a specific monitor, we put that
4107 * monitor to the end of mon_list queue.
4109 * Note: if the function returned with non-NULL, then the caller will
4110 * be with mon->qmp.qmp_queue_lock held, and the caller is responsible
4113 static QMPRequest
*monitor_qmp_requests_pop_any_with_lock(void)
4115 QMPRequest
*req_obj
= NULL
;
4118 qemu_mutex_lock(&monitor_lock
);
4120 QTAILQ_FOREACH(mon
, &mon_list
, entry
) {
4121 qemu_mutex_lock(&mon
->qmp
.qmp_queue_lock
);
4122 req_obj
= g_queue_pop_head(mon
->qmp
.qmp_requests
);
4124 /* With the lock of corresponding queue held */
4127 qemu_mutex_unlock(&mon
->qmp
.qmp_queue_lock
);
4132 * We found one request on the monitor. Degrade this monitor's
4133 * priority to lowest by re-inserting it to end of queue.
4135 QTAILQ_REMOVE(&mon_list
, mon
, entry
);
4136 QTAILQ_INSERT_TAIL(&mon_list
, mon
, entry
);
4139 qemu_mutex_unlock(&monitor_lock
);
4144 static void monitor_qmp_bh_dispatcher(void *data
)
4146 QMPRequest
*req_obj
= monitor_qmp_requests_pop_any_with_lock();
4156 /* qmp_oob_enabled() might change after "qmp_capabilities" */
4157 need_resume
= !qmp_oob_enabled(mon
) ||
4158 mon
->qmp
.qmp_requests
->length
== QMP_REQ_QUEUE_LEN_MAX
- 1;
4159 qemu_mutex_unlock(&mon
->qmp
.qmp_queue_lock
);
4161 trace_monitor_qmp_cmd_in_band(qobject_get_try_str(req_obj
->id
) ?: "");
4162 monitor_qmp_dispatch(mon
, req_obj
->req
, req_obj
->id
);
4164 assert(req_obj
->err
);
4165 rsp
= qmp_error_response(req_obj
->err
);
4166 req_obj
->err
= NULL
;
4167 monitor_qmp_respond(mon
, rsp
, NULL
);
4172 /* Pairs with the monitor_suspend() in handle_qmp_command() */
4173 monitor_resume(mon
);
4175 qmp_request_free(req_obj
);
4177 /* Reschedule instead of looping so the main loop stays responsive */
4178 qemu_bh_schedule(qmp_dispatcher_bh
);
4181 static void handle_qmp_command(void *opaque
, QObject
*req
, Error
*err
)
4183 Monitor
*mon
= opaque
;
4186 QMPRequest
*req_obj
;
4188 assert(!req
!= !err
);
4190 qdict
= qobject_to(QDict
, req
);
4192 id
= qobject_ref(qdict_get(qdict
, "id"));
4193 qdict_del(qdict
, "id");
4194 } /* else will fail qmp_dispatch() */
4196 if (req
&& trace_event_get_state_backends(TRACE_HANDLE_QMP_COMMAND
)) {
4197 QString
*req_json
= qobject_to_json(req
);
4198 trace_handle_qmp_command(mon
, qstring_get_str(req_json
));
4199 qobject_unref(req_json
);
4202 if (qdict
&& qmp_is_oob(qdict
)) {
4203 /* OOB commands are executed immediately */
4204 trace_monitor_qmp_cmd_out_of_band(qobject_get_try_str(id
)
4206 monitor_qmp_dispatch(mon
, req
, id
);
4212 req_obj
= g_new0(QMPRequest
, 1);
4218 /* Protect qmp_requests and fetching its length. */
4219 qemu_mutex_lock(&mon
->qmp
.qmp_queue_lock
);
4222 * Suspend the monitor when we can't queue more requests after
4223 * this one. Dequeuing in monitor_qmp_bh_dispatcher() will resume
4224 * it. Note that when OOB is disabled, we queue at most one
4225 * command, for backward compatibility.
4227 if (!qmp_oob_enabled(mon
) ||
4228 mon
->qmp
.qmp_requests
->length
== QMP_REQ_QUEUE_LEN_MAX
- 1) {
4229 monitor_suspend(mon
);
4233 * Put the request to the end of queue so that requests will be
4234 * handled in time order. Ownership for req_obj, req, id,
4235 * etc. will be delivered to the handler side.
4237 assert(mon
->qmp
.qmp_requests
->length
< QMP_REQ_QUEUE_LEN_MAX
);
4238 g_queue_push_tail(mon
->qmp
.qmp_requests
, req_obj
);
4239 qemu_mutex_unlock(&mon
->qmp
.qmp_queue_lock
);
4241 /* Kick the dispatcher routine */
4242 qemu_bh_schedule(qmp_dispatcher_bh
);
4245 static void monitor_qmp_read(void *opaque
, const uint8_t *buf
, int size
)
4247 Monitor
*mon
= opaque
;
4249 json_message_parser_feed(&mon
->qmp
.parser
, (const char *) buf
, size
);
4252 static void monitor_read(void *opaque
, const uint8_t *buf
, int size
)
4254 Monitor
*old_mon
= cur_mon
;
4260 for (i
= 0; i
< size
; i
++)
4261 readline_handle_byte(cur_mon
->rs
, buf
[i
]);
4263 if (size
== 0 || buf
[size
- 1] != 0)
4264 monitor_printf(cur_mon
, "corrupted command\n");
4266 handle_hmp_command(cur_mon
, (char *)buf
);
4272 static void monitor_command_cb(void *opaque
, const char *cmdline
,
4273 void *readline_opaque
)
4275 Monitor
*mon
= opaque
;
4277 monitor_suspend(mon
);
4278 handle_hmp_command(mon
, cmdline
);
4279 monitor_resume(mon
);
4282 int monitor_suspend(Monitor
*mon
)
4284 if (monitor_is_hmp_non_interactive(mon
)) {
4288 atomic_inc(&mon
->suspend_cnt
);
4290 if (mon
->use_io_thread
) {
4292 * Kick I/O thread to make sure this takes effect. It'll be
4293 * evaluated again in prepare() of the watch object.
4295 aio_notify(iothread_get_aio_context(mon_iothread
));
4298 trace_monitor_suspend(mon
, 1);
4302 static void monitor_accept_input(void *opaque
)
4304 Monitor
*mon
= opaque
;
4306 qemu_chr_fe_accept_input(&mon
->chr
);
4309 void monitor_resume(Monitor
*mon
)
4311 if (monitor_is_hmp_non_interactive(mon
)) {
4315 if (atomic_dec_fetch(&mon
->suspend_cnt
) == 0) {
4318 if (mon
->use_io_thread
) {
4319 ctx
= iothread_get_aio_context(mon_iothread
);
4321 ctx
= qemu_get_aio_context();
4324 if (!monitor_is_qmp(mon
)) {
4326 readline_show_prompt(mon
->rs
);
4329 aio_bh_schedule_oneshot(ctx
, monitor_accept_input
, mon
);
4332 trace_monitor_suspend(mon
, -1);
4335 static QDict
*qmp_greeting(Monitor
*mon
)
4337 QList
*cap_list
= qlist_new();
4338 QObject
*ver
= NULL
;
4341 qmp_marshal_query_version(NULL
, &ver
, NULL
);
4343 for (cap
= 0; cap
< QMP_CAPABILITY__MAX
; cap
++) {
4344 if (mon
->qmp
.capab_offered
[cap
]) {
4345 qlist_append_str(cap_list
, QMPCapability_str(cap
));
4349 return qdict_from_jsonf_nofail(
4350 "{'QMP': {'version': %p, 'capabilities': %p}}",
4354 static void monitor_qmp_event(void *opaque
, int event
)
4357 Monitor
*mon
= opaque
;
4360 case CHR_EVENT_OPENED
:
4361 mon
->qmp
.commands
= &qmp_cap_negotiation_commands
;
4362 monitor_qmp_caps_reset(mon
);
4363 data
= qmp_greeting(mon
);
4364 qmp_send_response(mon
, data
);
4365 qobject_unref(data
);
4368 case CHR_EVENT_CLOSED
:
4370 * Note: this is only useful when the output of the chardev
4371 * backend is still open. For example, when the backend is
4372 * stdio, it's possible that stdout is still open when stdin
4375 monitor_qmp_cleanup_queues(mon
);
4376 json_message_parser_destroy(&mon
->qmp
.parser
);
4377 json_message_parser_init(&mon
->qmp
.parser
, handle_qmp_command
,
4380 monitor_fdsets_cleanup();
4385 static void monitor_event(void *opaque
, int event
)
4387 Monitor
*mon
= opaque
;
4390 case CHR_EVENT_MUX_IN
:
4391 qemu_mutex_lock(&mon
->mon_lock
);
4393 qemu_mutex_unlock(&mon
->mon_lock
);
4394 if (mon
->reset_seen
) {
4395 readline_restart(mon
->rs
);
4396 monitor_resume(mon
);
4399 atomic_mb_set(&mon
->suspend_cnt
, 0);
4403 case CHR_EVENT_MUX_OUT
:
4404 if (mon
->reset_seen
) {
4405 if (atomic_mb_read(&mon
->suspend_cnt
) == 0) {
4406 monitor_printf(mon
, "\n");
4409 monitor_suspend(mon
);
4411 atomic_inc(&mon
->suspend_cnt
);
4413 qemu_mutex_lock(&mon
->mon_lock
);
4415 qemu_mutex_unlock(&mon
->mon_lock
);
4418 case CHR_EVENT_OPENED
:
4419 monitor_printf(mon
, "QEMU %s monitor - type 'help' for more "
4420 "information\n", QEMU_VERSION
);
4421 if (!mon
->mux_out
) {
4422 readline_restart(mon
->rs
);
4423 readline_show_prompt(mon
->rs
);
4425 mon
->reset_seen
= 1;
4429 case CHR_EVENT_CLOSED
:
4431 monitor_fdsets_cleanup();
4437 compare_mon_cmd(const void *a
, const void *b
)
4439 return strcmp(((const mon_cmd_t
*)a
)->name
,
4440 ((const mon_cmd_t
*)b
)->name
);
4443 static void sortcmdlist(void)
4446 int elem_size
= sizeof(mon_cmd_t
);
4448 array_num
= sizeof(mon_cmds
)/elem_size
-1;
4449 qsort((void *)mon_cmds
, array_num
, elem_size
, compare_mon_cmd
);
4451 array_num
= sizeof(info_cmds
)/elem_size
-1;
4452 qsort((void *)info_cmds
, array_num
, elem_size
, compare_mon_cmd
);
4455 static void monitor_iothread_init(void)
4457 mon_iothread
= iothread_create("mon_iothread", &error_abort
);
4460 void monitor_init_globals(void)
4462 monitor_init_qmp_commands();
4463 monitor_qapi_event_init();
4465 qemu_mutex_init(&monitor_lock
);
4466 qemu_mutex_init(&mon_fdsets_lock
);
4469 * The dispatcher BH must run in the main loop thread, since we
4470 * have commands assuming that context. It would be nice to get
4471 * rid of those assumptions.
4473 qmp_dispatcher_bh
= aio_bh_new(iohandler_get_aio_context(),
4474 monitor_qmp_bh_dispatcher
,
4478 /* These functions just adapt the readline interface in a typesafe way. We
4479 * could cast function pointers but that discards compiler checks.
4481 static void GCC_FMT_ATTR(2, 3) monitor_readline_printf(void *opaque
,
4482 const char *fmt
, ...)
4486 monitor_vprintf(opaque
, fmt
, ap
);
4490 static void monitor_readline_flush(void *opaque
)
4492 monitor_flush(opaque
);
4496 * Print to current monitor if we have one, else to stream.
4497 * TODO should return int, so callers can calculate width, but that
4498 * requires surgery to monitor_vprintf(). Left for another day.
4500 void monitor_vfprintf(FILE *stream
, const char *fmt
, va_list ap
)
4502 if (cur_mon
&& !monitor_cur_is_qmp()) {
4503 monitor_vprintf(cur_mon
, fmt
, ap
);
4505 vfprintf(stream
, fmt
, ap
);
4510 * Print to current monitor if we have one, else to stderr.
4511 * TODO should return int, so callers can calculate width, but that
4512 * requires surgery to monitor_vprintf(). Left for another day.
4514 void error_vprintf(const char *fmt
, va_list ap
)
4516 monitor_vfprintf(stderr
, fmt
, ap
);
4519 void error_vprintf_unless_qmp(const char *fmt
, va_list ap
)
4521 if (cur_mon
&& !monitor_cur_is_qmp()) {
4522 monitor_vprintf(cur_mon
, fmt
, ap
);
4523 } else if (!cur_mon
) {
4524 vfprintf(stderr
, fmt
, ap
);
4528 static void monitor_list_append(Monitor
*mon
)
4530 qemu_mutex_lock(&monitor_lock
);
4532 * This prevents inserting new monitors during monitor_cleanup().
4533 * A cleaner solution would involve the main thread telling other
4534 * threads to terminate, waiting for their termination.
4536 if (!monitor_destroyed
) {
4537 QTAILQ_INSERT_HEAD(&mon_list
, mon
, entry
);
4540 qemu_mutex_unlock(&monitor_lock
);
4543 monitor_data_destroy(mon
);
4548 static void monitor_qmp_setup_handlers_bh(void *opaque
)
4550 Monitor
*mon
= opaque
;
4551 GMainContext
*context
;
4553 assert(mon
->use_io_thread
);
4554 context
= iothread_get_g_main_context(mon_iothread
);
4556 qemu_chr_fe_set_handlers(&mon
->chr
, monitor_can_read
, monitor_qmp_read
,
4557 monitor_qmp_event
, NULL
, mon
, context
, true);
4558 monitor_list_append(mon
);
4561 void monitor_init(Chardev
*chr
, int flags
)
4563 Monitor
*mon
= g_malloc(sizeof(*mon
));
4564 bool use_readline
= flags
& MONITOR_USE_READLINE
;
4566 /* Note: we run QMP monitor in I/O thread when @chr supports that */
4567 monitor_data_init(mon
, false,
4568 (flags
& MONITOR_USE_CONTROL
)
4569 && qemu_chr_has_feature(chr
,
4570 QEMU_CHAR_FEATURE_GCONTEXT
));
4572 qemu_chr_fe_init(&mon
->chr
, chr
, &error_abort
);
4575 mon
->rs
= readline_init(monitor_readline_printf
,
4576 monitor_readline_flush
,
4578 monitor_find_completion
);
4579 monitor_read_command(mon
, 0);
4582 if (monitor_is_qmp(mon
)) {
4583 qemu_chr_fe_set_echo(&mon
->chr
, true);
4584 json_message_parser_init(&mon
->qmp
.parser
, handle_qmp_command
,
4586 if (mon
->use_io_thread
) {
4588 * Make sure the old iowatch is gone. It's possible when
4589 * e.g. the chardev is in client mode, with wait=on.
4591 remove_fd_in_watch(chr
);
4593 * We can't call qemu_chr_fe_set_handlers() directly here
4594 * since chardev might be running in the monitor I/O
4595 * thread. Schedule a bottom half.
4597 aio_bh_schedule_oneshot(iothread_get_aio_context(mon_iothread
),
4598 monitor_qmp_setup_handlers_bh
, mon
);
4599 /* The bottom half will add @mon to @mon_list */
4602 qemu_chr_fe_set_handlers(&mon
->chr
, monitor_can_read
,
4603 monitor_qmp_read
, monitor_qmp_event
,
4604 NULL
, mon
, NULL
, true);
4607 qemu_chr_fe_set_handlers(&mon
->chr
, monitor_can_read
, monitor_read
,
4608 monitor_event
, NULL
, mon
, NULL
, true);
4611 monitor_list_append(mon
);
4614 void monitor_cleanup(void)
4616 Monitor
*mon
, *next
;
4619 * We need to explicitly stop the I/O thread (but not destroy it),
4620 * clean up the monitor resources, then destroy the I/O thread since
4621 * we need to unregister from chardev below in
4622 * monitor_data_destroy(), and chardev is not thread-safe yet
4625 iothread_stop(mon_iothread
);
4628 /* Flush output buffers and destroy monitors */
4629 qemu_mutex_lock(&monitor_lock
);
4630 monitor_destroyed
= true;
4631 QTAILQ_FOREACH_SAFE(mon
, &mon_list
, entry
, next
) {
4632 QTAILQ_REMOVE(&mon_list
, mon
, entry
);
4633 /* Permit QAPI event emission from character frontend release */
4634 qemu_mutex_unlock(&monitor_lock
);
4636 monitor_data_destroy(mon
);
4637 qemu_mutex_lock(&monitor_lock
);
4640 qemu_mutex_unlock(&monitor_lock
);
4642 /* QEMUBHs needs to be deleted before destroying the I/O thread */
4643 qemu_bh_delete(qmp_dispatcher_bh
);
4644 qmp_dispatcher_bh
= NULL
;
4646 iothread_destroy(mon_iothread
);
4647 mon_iothread
= NULL
;
4651 QemuOptsList qemu_mon_opts
= {
4653 .implied_opt_name
= "chardev",
4654 .head
= QTAILQ_HEAD_INITIALIZER(qemu_mon_opts
.head
),
4658 .type
= QEMU_OPT_STRING
,
4661 .type
= QEMU_OPT_STRING
,
4664 .type
= QEMU_OPT_BOOL
,
4666 { /* end of list */ }
4671 void qmp_rtc_reset_reinjection(Error
**errp
)
4673 error_setg(errp
, QERR_FEATURE_DISABLED
, "rtc-reset-reinjection");
4676 SevInfo
*qmp_query_sev(Error
**errp
)
4678 error_setg(errp
, QERR_FEATURE_DISABLED
, "query-sev");
4682 SevLaunchMeasureInfo
*qmp_query_sev_launch_measure(Error
**errp
)
4684 error_setg(errp
, QERR_FEATURE_DISABLED
, "query-sev-launch-measure");
4688 SevCapability
*qmp_query_sev_capabilities(Error
**errp
)
4690 error_setg(errp
, QERR_FEATURE_DISABLED
, "query-sev-capabilities");
4695 #ifndef TARGET_S390X
4696 void qmp_dump_skeys(const char *filename
, Error
**errp
)
4698 error_setg(errp
, QERR_FEATURE_DISABLED
, "dump-skeys");
4703 GICCapabilityList
*qmp_query_gic_capabilities(Error
**errp
)
4705 error_setg(errp
, QERR_FEATURE_DISABLED
, "query-gic-capabilities");
4710 HotpluggableCPUList
*qmp_query_hotpluggable_cpus(Error
**errp
)
4712 MachineState
*ms
= MACHINE(qdev_get_machine());
4713 MachineClass
*mc
= MACHINE_GET_CLASS(ms
);
4715 if (!mc
->has_hotpluggable_cpus
) {
4716 error_setg(errp
, QERR_FEATURE_DISABLED
, "query-hotpluggable-cpus");
4720 return machine_query_hotpluggable_cpus(ms
);