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"
87 #if defined(TARGET_S390X)
88 #include "hw/s390x/storage-keys.h"
89 #include "hw/s390x/storage-attributes.h"
96 * 'B' block device name
97 * 's' string (accept optional quote)
98 * 'S' it just appends the rest of the string (accept optional quote)
99 * 'O' option string of the form NAME=VALUE,...
100 * parsed according to QemuOptsList given by its name
101 * Example: 'device:O' uses qemu_device_opts.
102 * Restriction: only lists with empty desc are supported
103 * TODO lift the restriction
105 * 'l' target long (32 or 64 bit)
106 * 'M' Non-negative target long (32 or 64 bit), in user mode the
107 * value is multiplied by 2^20 (think Mebibyte)
108 * 'o' octets (aka bytes)
109 * user mode accepts an optional E, e, P, p, T, t, G, g, M, m,
110 * K, k suffix, which multiplies the value by 2^60 for suffixes E
111 * and e, 2^50 for suffixes P and p, 2^40 for suffixes T and t,
112 * 2^30 for suffixes G and g, 2^20 for M and m, 2^10 for K and k
114 * user mode accepts an optional ms, us, ns suffix,
115 * which divides the value by 1e3, 1e6, 1e9, respectively
116 * '/' optional gdb-like print format (like "/10x")
118 * '?' optional type (for all types, except '/')
119 * '.' other form of optional type (for 'i' and 'l')
121 * user mode accepts "on" or "off"
122 * '-' optional parameter (eg. '-f')
126 typedef struct mon_cmd_t
{
128 const char *args_type
;
131 const char *flags
; /* p=preconfig */
132 void (*cmd
)(Monitor
*mon
, const QDict
*qdict
);
133 /* @sub_table is a list of 2nd level of commands. If it does not exist,
134 * cmd should be used. If it exists, sub_table[?].cmd should be
135 * used, and cmd of 1st level plays the role of help function.
137 struct mon_cmd_t
*sub_table
;
138 void (*command_completion
)(ReadLineState
*rs
, int nb_args
, const char *str
);
141 /* file descriptors passed via SCM_RIGHTS */
142 typedef struct mon_fd_t mon_fd_t
;
146 QLIST_ENTRY(mon_fd_t
) next
;
149 /* file descriptor associated with a file descriptor set */
150 typedef struct MonFdsetFd MonFdsetFd
;
155 QLIST_ENTRY(MonFdsetFd
) next
;
158 /* file descriptor set containing fds passed via SCM_RIGHTS */
159 typedef struct MonFdset MonFdset
;
162 QLIST_HEAD(, MonFdsetFd
) fds
;
163 QLIST_HEAD(, MonFdsetFd
) dup_fds
;
164 QLIST_ENTRY(MonFdset
) next
;
168 JSONMessageParser parser
;
170 * When a client connects, we're in capabilities negotiation mode.
171 * @commands is &qmp_cap_negotiation_commands then. When command
172 * qmp_capabilities succeeds, we go into command mode, and
173 * @command becomes &qmp_commands.
175 QmpCommandList
*commands
;
176 bool capab_offered
[QMP_CAPABILITY__MAX
]; /* capabilities offered */
177 bool capab
[QMP_CAPABILITY__MAX
]; /* offered and accepted */
179 * Protects qmp request/response queue.
180 * Take monitor_lock first when you need both.
182 QemuMutex qmp_queue_lock
;
183 /* Input queue that holds all the parsed QMP requests */
184 GQueue
*qmp_requests
;
188 * To prevent flooding clients, events can be throttled. The
189 * throttling is calculated globally, rather than per-Monitor
192 typedef struct MonitorQAPIEventState
{
193 QAPIEvent event
; /* Throttling state for this event type and... */
194 QDict
*data
; /* ... data, see qapi_event_throttle_equal() */
195 QEMUTimer
*timer
; /* Timer for handling delayed events */
196 QDict
*qdict
; /* Delayed event (if any) */
197 } MonitorQAPIEventState
;
200 int64_t rate
; /* Minimum time (in ns) between two events */
201 } MonitorQAPIEventConf
;
207 int suspend_cnt
; /* Needs to be accessed atomically */
212 * State used only in the thread "owning" the monitor.
213 * If @use_io_thread, this is @mon_iothread.
214 * Else, it's the main thread.
215 * These members can be safely accessed without locks.
221 BlockCompletionFunc
*password_completion_cb
;
222 void *password_opaque
;
223 mon_cmd_t
*cmd_table
;
224 QTAILQ_ENTRY(Monitor
) entry
;
227 * The per-monitor lock. We can't access guest memory when holding
233 * Members that are protected by the per-monitor lock
235 QLIST_HEAD(, mon_fd_t
) fds
;
238 /* Read under either BQL or mon_lock, written with BQL+mon_lock. */
242 /* Shared monitor I/O thread */
243 IOThread
*mon_iothread
;
245 /* Bottom half to dispatch the requests received from I/O thread */
246 QEMUBH
*qmp_dispatcher_bh
;
249 /* Owner of the request */
251 /* "id" field of the request */
254 * Request object to be handled or Error to be reported
255 * (exactly one of them is non-null)
260 * Whether we need to resume the monitor afterward. This flag is
261 * used to emulate the old QMP server behavior that the current
262 * command must be completed before execution of the next one.
266 typedef struct QMPRequest QMPRequest
;
268 /* QMP checker flags */
269 #define QMP_ACCEPT_UNKNOWNS 1
271 /* Protects mon_list, monitor_qapi_event_state. */
272 static QemuMutex monitor_lock
;
273 static GHashTable
*monitor_qapi_event_state
;
274 static QTAILQ_HEAD(mon_list
, Monitor
) mon_list
;
276 /* Protects mon_fdsets */
277 static QemuMutex mon_fdsets_lock
;
278 static QLIST_HEAD(mon_fdsets
, MonFdset
) mon_fdsets
;
280 static int mon_refcount
;
282 static mon_cmd_t mon_cmds
[];
283 static mon_cmd_t info_cmds
[];
285 QmpCommandList qmp_commands
, qmp_cap_negotiation_commands
;
287 __thread Monitor
*cur_mon
;
289 static void monitor_command_cb(void *opaque
, const char *cmdline
,
290 void *readline_opaque
);
293 * Is @mon a QMP monitor?
295 static inline bool monitor_is_qmp(const Monitor
*mon
)
297 return (mon
->flags
& MONITOR_USE_CONTROL
);
301 * Is @mon is using readline?
302 * Note: not all HMP monitors use readline, e.g., gdbserver has a
303 * non-interactive HMP monitor, so readline is not used there.
305 static inline bool monitor_uses_readline(const Monitor
*mon
)
307 return mon
->flags
& MONITOR_USE_READLINE
;
310 static inline bool monitor_is_hmp_non_interactive(const Monitor
*mon
)
312 return !monitor_is_qmp(mon
) && !monitor_uses_readline(mon
);
316 * Return the clock to use for recording an event's time.
317 * It's QEMU_CLOCK_REALTIME, except for qtests it's
318 * QEMU_CLOCK_VIRTUAL, to support testing rate limits.
319 * Beware: result is invalid before configure_accelerator().
321 static inline QEMUClockType
monitor_get_event_clock(void)
323 return qtest_enabled() ? QEMU_CLOCK_VIRTUAL
: QEMU_CLOCK_REALTIME
;
327 * Is the current monitor, if any, a QMP monitor?
329 bool monitor_cur_is_qmp(void)
331 return cur_mon
&& monitor_is_qmp(cur_mon
);
334 void monitor_read_command(Monitor
*mon
, int show_prompt
)
339 readline_start(mon
->rs
, "(qemu) ", 0, monitor_command_cb
, NULL
);
341 readline_show_prompt(mon
->rs
);
344 int monitor_read_password(Monitor
*mon
, ReadLineFunc
*readline_func
,
348 readline_start(mon
->rs
, "Password: ", 1, readline_func
, opaque
);
349 /* prompt is printed on return from the command handler */
352 monitor_printf(mon
, "terminal does not support password prompting\n");
357 static void qmp_request_free(QMPRequest
*req
)
359 qobject_unref(req
->id
);
360 qobject_unref(req
->req
);
361 error_free(req
->err
);
365 /* Caller must hold mon->qmp.qmp_queue_lock */
366 static void monitor_qmp_cleanup_req_queue_locked(Monitor
*mon
)
368 while (!g_queue_is_empty(mon
->qmp
.qmp_requests
)) {
369 qmp_request_free(g_queue_pop_head(mon
->qmp
.qmp_requests
));
373 static void monitor_qmp_cleanup_queues(Monitor
*mon
)
375 qemu_mutex_lock(&mon
->qmp
.qmp_queue_lock
);
376 monitor_qmp_cleanup_req_queue_locked(mon
);
377 qemu_mutex_unlock(&mon
->qmp
.qmp_queue_lock
);
381 static void monitor_flush_locked(Monitor
*mon
);
383 static gboolean
monitor_unblocked(GIOChannel
*chan
, GIOCondition cond
,
386 Monitor
*mon
= opaque
;
388 qemu_mutex_lock(&mon
->mon_lock
);
390 monitor_flush_locked(mon
);
391 qemu_mutex_unlock(&mon
->mon_lock
);
395 /* Caller must hold mon->mon_lock */
396 static void monitor_flush_locked(Monitor
*mon
)
402 if (mon
->skip_flush
) {
406 buf
= qstring_get_str(mon
->outbuf
);
407 len
= qstring_get_length(mon
->outbuf
);
409 if (len
&& !mon
->mux_out
) {
410 rc
= qemu_chr_fe_write(&mon
->chr
, (const uint8_t *) buf
, len
);
411 if ((rc
< 0 && errno
!= EAGAIN
) || (rc
== len
)) {
412 /* all flushed or error */
413 qobject_unref(mon
->outbuf
);
414 mon
->outbuf
= qstring_new();
419 QString
*tmp
= qstring_from_str(buf
+ rc
);
420 qobject_unref(mon
->outbuf
);
423 if (mon
->out_watch
== 0) {
425 qemu_chr_fe_add_watch(&mon
->chr
, G_IO_OUT
| G_IO_HUP
,
426 monitor_unblocked
, mon
);
431 void monitor_flush(Monitor
*mon
)
433 qemu_mutex_lock(&mon
->mon_lock
);
434 monitor_flush_locked(mon
);
435 qemu_mutex_unlock(&mon
->mon_lock
);
438 /* flush at every end of line */
439 static void monitor_puts(Monitor
*mon
, const char *str
)
443 qemu_mutex_lock(&mon
->mon_lock
);
449 qstring_append_chr(mon
->outbuf
, '\r');
451 qstring_append_chr(mon
->outbuf
, c
);
453 monitor_flush_locked(mon
);
456 qemu_mutex_unlock(&mon
->mon_lock
);
459 void monitor_vprintf(Monitor
*mon
, const char *fmt
, va_list ap
)
466 if (monitor_is_qmp(mon
)) {
470 buf
= g_strdup_vprintf(fmt
, ap
);
471 monitor_puts(mon
, buf
);
475 void monitor_printf(Monitor
*mon
, const char *fmt
, ...)
479 monitor_vprintf(mon
, fmt
, ap
);
483 int monitor_fprintf(FILE *stream
, const char *fmt
, ...)
487 monitor_vprintf((Monitor
*)stream
, fmt
, ap
);
492 static void qmp_send_response(Monitor
*mon
, const QDict
*rsp
)
494 const QObject
*data
= QOBJECT(rsp
);
497 json
= mon
->flags
& MONITOR_USE_PRETTY
? qobject_to_json_pretty(data
) :
498 qobject_to_json(data
);
499 assert(json
!= NULL
);
501 qstring_append_chr(json
, '\n');
502 monitor_puts(mon
, qstring_get_str(json
));
507 static MonitorQAPIEventConf monitor_qapi_event_conf
[QAPI_EVENT__MAX
] = {
508 /* Limit guest-triggerable events to 1 per second */
509 [QAPI_EVENT_RTC_CHANGE
] = { 1000 * SCALE_MS
},
510 [QAPI_EVENT_WATCHDOG
] = { 1000 * SCALE_MS
},
511 [QAPI_EVENT_BALLOON_CHANGE
] = { 1000 * SCALE_MS
},
512 [QAPI_EVENT_QUORUM_REPORT_BAD
] = { 1000 * SCALE_MS
},
513 [QAPI_EVENT_QUORUM_FAILURE
] = { 1000 * SCALE_MS
},
514 [QAPI_EVENT_VSERPORT_CHANGE
] = { 1000 * SCALE_MS
},
518 * Broadcast an event to all monitors.
519 * @qdict is the event object. Its member "event" must match @event.
520 * Caller must hold monitor_lock.
522 static void monitor_qapi_event_emit(QAPIEvent event
, QDict
*qdict
)
526 trace_monitor_protocol_event_emit(event
, qdict
);
527 QTAILQ_FOREACH(mon
, &mon_list
, entry
) {
528 if (monitor_is_qmp(mon
)
529 && mon
->qmp
.commands
!= &qmp_cap_negotiation_commands
) {
530 qmp_send_response(mon
, qdict
);
535 static void monitor_qapi_event_handler(void *opaque
);
538 * Queue a new event for emission to Monitor instances,
539 * applying any rate limiting if required.
542 monitor_qapi_event_queue_no_reenter(QAPIEvent event
, QDict
*qdict
)
544 MonitorQAPIEventConf
*evconf
;
545 MonitorQAPIEventState
*evstate
;
547 assert(event
< QAPI_EVENT__MAX
);
548 evconf
= &monitor_qapi_event_conf
[event
];
549 trace_monitor_protocol_event_queue(event
, qdict
, evconf
->rate
);
551 qemu_mutex_lock(&monitor_lock
);
554 /* Unthrottled event */
555 monitor_qapi_event_emit(event
, qdict
);
557 QDict
*data
= qobject_to(QDict
, qdict_get(qdict
, "data"));
558 MonitorQAPIEventState key
= { .event
= event
, .data
= data
};
560 evstate
= g_hash_table_lookup(monitor_qapi_event_state
, &key
);
561 assert(!evstate
|| timer_pending(evstate
->timer
));
565 * Timer is pending for (at least) evconf->rate ns after
566 * last send. Store event for sending when timer fires,
567 * replacing a prior stored event if any.
569 qobject_unref(evstate
->qdict
);
570 evstate
->qdict
= qobject_ref(qdict
);
573 * Last send was (at least) evconf->rate ns ago.
574 * Send immediately, and arm the timer to call
575 * monitor_qapi_event_handler() in evconf->rate ns. Any
576 * events arriving before then will be delayed until then.
578 int64_t now
= qemu_clock_get_ns(monitor_get_event_clock());
580 monitor_qapi_event_emit(event
, qdict
);
582 evstate
= g_new(MonitorQAPIEventState
, 1);
583 evstate
->event
= event
;
584 evstate
->data
= qobject_ref(data
);
585 evstate
->qdict
= NULL
;
586 evstate
->timer
= timer_new_ns(monitor_get_event_clock(),
587 monitor_qapi_event_handler
,
589 g_hash_table_add(monitor_qapi_event_state
, evstate
);
590 timer_mod_ns(evstate
->timer
, now
+ evconf
->rate
);
594 qemu_mutex_unlock(&monitor_lock
);
598 monitor_qapi_event_queue(QAPIEvent event
, QDict
*qdict
, Error
**errp
)
601 * monitor_qapi_event_queue_no_reenter() is not reentrant: it
602 * would deadlock on monitor_lock. Work around by queueing
603 * events in thread-local storage.
604 * TODO: remove this, make it re-enter safe.
606 typedef struct MonitorQapiEvent
{
609 QSIMPLEQ_ENTRY(MonitorQapiEvent
) entry
;
611 static __thread
QSIMPLEQ_HEAD(, MonitorQapiEvent
) event_queue
;
612 static __thread
bool reentered
;
613 MonitorQapiEvent
*ev
;
616 QSIMPLEQ_INIT(&event_queue
);
619 ev
= g_new(MonitorQapiEvent
, 1);
620 ev
->qdict
= qobject_ref(qdict
);
622 QSIMPLEQ_INSERT_TAIL(&event_queue
, ev
, entry
);
629 while ((ev
= QSIMPLEQ_FIRST(&event_queue
)) != NULL
) {
630 QSIMPLEQ_REMOVE_HEAD(&event_queue
, entry
);
631 monitor_qapi_event_queue_no_reenter(ev
->event
, ev
->qdict
);
632 qobject_unref(ev
->qdict
);
640 * This function runs evconf->rate ns after sending a throttled
642 * If another event has since been stored, send it.
644 static void monitor_qapi_event_handler(void *opaque
)
646 MonitorQAPIEventState
*evstate
= opaque
;
647 MonitorQAPIEventConf
*evconf
= &monitor_qapi_event_conf
[evstate
->event
];
649 trace_monitor_protocol_event_handler(evstate
->event
, evstate
->qdict
);
650 qemu_mutex_lock(&monitor_lock
);
652 if (evstate
->qdict
) {
653 int64_t now
= qemu_clock_get_ns(monitor_get_event_clock());
655 monitor_qapi_event_emit(evstate
->event
, evstate
->qdict
);
656 qobject_unref(evstate
->qdict
);
657 evstate
->qdict
= NULL
;
658 timer_mod_ns(evstate
->timer
, now
+ evconf
->rate
);
660 g_hash_table_remove(monitor_qapi_event_state
, evstate
);
661 qobject_unref(evstate
->data
);
662 timer_free(evstate
->timer
);
666 qemu_mutex_unlock(&monitor_lock
);
669 static unsigned int qapi_event_throttle_hash(const void *key
)
671 const MonitorQAPIEventState
*evstate
= key
;
672 unsigned int hash
= evstate
->event
* 255;
674 if (evstate
->event
== QAPI_EVENT_VSERPORT_CHANGE
) {
675 hash
+= g_str_hash(qdict_get_str(evstate
->data
, "id"));
678 if (evstate
->event
== QAPI_EVENT_QUORUM_REPORT_BAD
) {
679 hash
+= g_str_hash(qdict_get_str(evstate
->data
, "node-name"));
685 static gboolean
qapi_event_throttle_equal(const void *a
, const void *b
)
687 const MonitorQAPIEventState
*eva
= a
;
688 const MonitorQAPIEventState
*evb
= b
;
690 if (eva
->event
!= evb
->event
) {
694 if (eva
->event
== QAPI_EVENT_VSERPORT_CHANGE
) {
695 return !strcmp(qdict_get_str(eva
->data
, "id"),
696 qdict_get_str(evb
->data
, "id"));
699 if (eva
->event
== QAPI_EVENT_QUORUM_REPORT_BAD
) {
700 return !strcmp(qdict_get_str(eva
->data
, "node-name"),
701 qdict_get_str(evb
->data
, "node-name"));
707 static void monitor_qapi_event_init(void)
709 monitor_qapi_event_state
= g_hash_table_new(qapi_event_throttle_hash
,
710 qapi_event_throttle_equal
);
711 qmp_event_set_func_emit(monitor_qapi_event_queue
);
714 static void handle_hmp_command(Monitor
*mon
, const char *cmdline
);
716 static void monitor_data_init(Monitor
*mon
, bool skip_flush
,
719 memset(mon
, 0, sizeof(Monitor
));
720 qemu_mutex_init(&mon
->mon_lock
);
721 qemu_mutex_init(&mon
->qmp
.qmp_queue_lock
);
722 mon
->outbuf
= qstring_new();
723 /* Use *mon_cmds by default. */
724 mon
->cmd_table
= mon_cmds
;
725 mon
->skip_flush
= skip_flush
;
726 mon
->use_io_thread
= use_io_thread
;
727 mon
->qmp
.qmp_requests
= g_queue_new();
730 static void monitor_data_destroy(Monitor
*mon
)
732 g_free(mon
->mon_cpu_path
);
733 qemu_chr_fe_deinit(&mon
->chr
, false);
734 if (monitor_is_qmp(mon
)) {
735 json_message_parser_destroy(&mon
->qmp
.parser
);
737 readline_free(mon
->rs
);
738 qobject_unref(mon
->outbuf
);
739 qemu_mutex_destroy(&mon
->mon_lock
);
740 qemu_mutex_destroy(&mon
->qmp
.qmp_queue_lock
);
741 monitor_qmp_cleanup_req_queue_locked(mon
);
742 g_queue_free(mon
->qmp
.qmp_requests
);
745 char *qmp_human_monitor_command(const char *command_line
, bool has_cpu_index
,
746 int64_t cpu_index
, Error
**errp
)
749 Monitor
*old_mon
, hmp
;
751 monitor_data_init(&hmp
, true, false);
757 int ret
= monitor_set_cpu(cpu_index
);
760 error_setg(errp
, QERR_INVALID_PARAMETER_VALUE
, "cpu-index",
766 handle_hmp_command(&hmp
, command_line
);
769 qemu_mutex_lock(&hmp
.mon_lock
);
770 if (qstring_get_length(hmp
.outbuf
) > 0) {
771 output
= g_strdup(qstring_get_str(hmp
.outbuf
));
773 output
= g_strdup("");
775 qemu_mutex_unlock(&hmp
.mon_lock
);
778 monitor_data_destroy(&hmp
);
782 static int compare_cmd(const char *name
, const char *list
)
784 const char *p
, *pstart
;
790 p
= qemu_strchrnul(p
, '|');
791 if ((p
- pstart
) == len
&& !memcmp(pstart
, name
, len
))
800 static int get_str(char *buf
, int buf_size
, const char **pp
)
808 while (qemu_isspace(*p
)) {
819 while (*p
!= '\0' && *p
!= '\"') {
835 printf("unsupported escape code: '\\%c'\n", c
);
838 if ((q
- buf
) < buf_size
- 1) {
842 if ((q
- buf
) < buf_size
- 1) {
849 printf("unterminated string\n");
854 while (*p
!= '\0' && !qemu_isspace(*p
)) {
855 if ((q
- buf
) < buf_size
- 1) {
868 static void free_cmdline_args(char **args
, int nb_args
)
872 assert(nb_args
<= MAX_ARGS
);
874 for (i
= 0; i
< nb_args
; i
++) {
881 * Parse the command line to get valid args.
882 * @cmdline: command line to be parsed.
883 * @pnb_args: location to store the number of args, must NOT be NULL.
884 * @args: location to store the args, which should be freed by caller, must
887 * Returns 0 on success, negative on failure.
889 * NOTE: this parser is an approximate form of the real command parser. Number
890 * of args have a limit of MAX_ARGS. If cmdline contains more, it will
891 * return with failure.
893 static int parse_cmdline(const char *cmdline
,
894 int *pnb_args
, char **args
)
903 while (qemu_isspace(*p
)) {
909 if (nb_args
>= MAX_ARGS
) {
912 ret
= get_str(buf
, sizeof(buf
), &p
);
916 args
[nb_args
] = g_strdup(buf
);
923 free_cmdline_args(args
, nb_args
);
928 * Can command @cmd be executed in preconfig state?
930 static bool cmd_can_preconfig(const mon_cmd_t
*cmd
)
936 return strchr(cmd
->flags
, 'p');
939 static void help_cmd_dump_one(Monitor
*mon
,
940 const mon_cmd_t
*cmd
,
946 if (runstate_check(RUN_STATE_PRECONFIG
) && !cmd_can_preconfig(cmd
)) {
950 for (i
= 0; i
< prefix_args_nb
; i
++) {
951 monitor_printf(mon
, "%s ", prefix_args
[i
]);
953 monitor_printf(mon
, "%s %s -- %s\n", cmd
->name
, cmd
->params
, cmd
->help
);
956 /* @args[@arg_index] is the valid command need to find in @cmds */
957 static void help_cmd_dump(Monitor
*mon
, const mon_cmd_t
*cmds
,
958 char **args
, int nb_args
, int arg_index
)
960 const mon_cmd_t
*cmd
;
962 /* No valid arg need to compare with, dump all in *cmds */
963 if (arg_index
>= nb_args
) {
964 for (cmd
= cmds
; cmd
->name
!= NULL
; cmd
++) {
965 help_cmd_dump_one(mon
, cmd
, args
, arg_index
);
970 /* Find one entry to dump */
971 for (cmd
= cmds
; cmd
->name
!= NULL
; cmd
++) {
972 if (compare_cmd(args
[arg_index
], cmd
->name
) &&
973 ((!runstate_check(RUN_STATE_PRECONFIG
) ||
974 cmd_can_preconfig(cmd
)))) {
975 if (cmd
->sub_table
) {
976 /* continue with next arg */
977 help_cmd_dump(mon
, cmd
->sub_table
,
978 args
, nb_args
, arg_index
+ 1);
980 help_cmd_dump_one(mon
, cmd
, args
, arg_index
);
987 static void help_cmd(Monitor
*mon
, const char *name
)
989 char *args
[MAX_ARGS
];
992 /* 1. parse user input */
994 /* special case for log, directly dump and return */
995 if (!strcmp(name
, "log")) {
996 const QEMULogItem
*item
;
997 monitor_printf(mon
, "Log items (comma separated):\n");
998 monitor_printf(mon
, "%-10s %s\n", "none", "remove all logs");
999 for (item
= qemu_log_items
; item
->mask
!= 0; item
++) {
1000 monitor_printf(mon
, "%-10s %s\n", item
->name
, item
->help
);
1005 if (parse_cmdline(name
, &nb_args
, args
) < 0) {
1010 /* 2. dump the contents according to parsed args */
1011 help_cmd_dump(mon
, mon
->cmd_table
, args
, nb_args
, 0);
1013 free_cmdline_args(args
, nb_args
);
1016 static void do_help_cmd(Monitor
*mon
, const QDict
*qdict
)
1018 help_cmd(mon
, qdict_get_try_str(qdict
, "name"));
1021 static void hmp_trace_event(Monitor
*mon
, const QDict
*qdict
)
1023 const char *tp_name
= qdict_get_str(qdict
, "name");
1024 bool new_state
= qdict_get_bool(qdict
, "option");
1025 bool has_vcpu
= qdict_haskey(qdict
, "vcpu");
1026 int vcpu
= qdict_get_try_int(qdict
, "vcpu", 0);
1027 Error
*local_err
= NULL
;
1030 monitor_printf(mon
, "argument vcpu must be positive");
1034 qmp_trace_event_set_state(tp_name
, new_state
, true, true, has_vcpu
, vcpu
, &local_err
);
1036 error_report_err(local_err
);
1040 #ifdef CONFIG_TRACE_SIMPLE
1041 static void hmp_trace_file(Monitor
*mon
, const QDict
*qdict
)
1043 const char *op
= qdict_get_try_str(qdict
, "op");
1044 const char *arg
= qdict_get_try_str(qdict
, "arg");
1047 st_print_trace_file_status((FILE *)mon
, &monitor_fprintf
);
1048 } else if (!strcmp(op
, "on")) {
1049 st_set_trace_file_enabled(true);
1050 } else if (!strcmp(op
, "off")) {
1051 st_set_trace_file_enabled(false);
1052 } else if (!strcmp(op
, "flush")) {
1053 st_flush_trace_buffer();
1054 } else if (!strcmp(op
, "set")) {
1056 st_set_trace_file(arg
);
1059 monitor_printf(mon
, "unexpected argument \"%s\"\n", op
);
1060 help_cmd(mon
, "trace-file");
1065 static void hmp_info_help(Monitor
*mon
, const QDict
*qdict
)
1067 help_cmd(mon
, "info");
1070 static void query_commands_cb(QmpCommand
*cmd
, void *opaque
)
1072 CommandInfoList
*info
, **list
= opaque
;
1074 if (!cmd
->enabled
) {
1078 info
= g_malloc0(sizeof(*info
));
1079 info
->value
= g_malloc0(sizeof(*info
->value
));
1080 info
->value
->name
= g_strdup(cmd
->name
);
1085 CommandInfoList
*qmp_query_commands(Error
**errp
)
1087 CommandInfoList
*list
= NULL
;
1089 qmp_for_each_command(cur_mon
->qmp
.commands
, query_commands_cb
, &list
);
1094 EventInfoList
*qmp_query_events(Error
**errp
)
1096 EventInfoList
*info
, *ev_list
= NULL
;
1099 for (e
= 0 ; e
< QAPI_EVENT__MAX
; e
++) {
1100 const char *event_name
= QAPIEvent_str(e
);
1101 assert(event_name
!= NULL
);
1102 info
= g_malloc0(sizeof(*info
));
1103 info
->value
= g_malloc0(sizeof(*info
->value
));
1104 info
->value
->name
= g_strdup(event_name
);
1106 info
->next
= ev_list
;
1114 * Minor hack: generated marshalling suppressed for this command
1115 * ('gen': false in the schema) so we can parse the JSON string
1116 * directly into QObject instead of first parsing it with
1117 * visit_type_SchemaInfoList() into a SchemaInfoList, then marshal it
1118 * to QObject with generated output marshallers, every time. Instead,
1119 * we do it in test-qobject-input-visitor.c, just to make sure
1120 * qapi-gen.py's output actually conforms to the schema.
1122 static void qmp_query_qmp_schema(QDict
*qdict
, QObject
**ret_data
,
1125 *ret_data
= qobject_from_qlit(&qmp_schema_qlit
);
1129 * We used to define commands in qmp-commands.hx in addition to the
1130 * QAPI schema. This permitted defining some of them only in certain
1131 * configurations. query-commands has always reflected that (good,
1132 * because it lets QMP clients figure out what's actually available),
1133 * while query-qmp-schema never did (not so good). This function is a
1134 * hack to keep the configuration-specific commands defined exactly as
1135 * before, even though qmp-commands.hx is gone.
1137 * FIXME Educate the QAPI schema on configuration-specific commands,
1138 * and drop this hack.
1140 static void qmp_unregister_commands_hack(void)
1142 #ifndef CONFIG_REPLICATION
1143 qmp_unregister_command(&qmp_commands
, "xen-set-replication");
1144 qmp_unregister_command(&qmp_commands
, "query-xen-replication-status");
1145 qmp_unregister_command(&qmp_commands
, "xen-colo-do-checkpoint");
1148 qmp_unregister_command(&qmp_commands
, "rtc-reset-reinjection");
1149 qmp_unregister_command(&qmp_commands
, "query-sev");
1150 qmp_unregister_command(&qmp_commands
, "query-sev-launch-measure");
1151 qmp_unregister_command(&qmp_commands
, "query-sev-capabilities");
1153 #ifndef TARGET_S390X
1154 qmp_unregister_command(&qmp_commands
, "dump-skeys");
1157 qmp_unregister_command(&qmp_commands
, "query-gic-capabilities");
1159 #if !defined(TARGET_S390X) && !defined(TARGET_I386)
1160 qmp_unregister_command(&qmp_commands
, "query-cpu-model-expansion");
1162 #if !defined(TARGET_S390X)
1163 qmp_unregister_command(&qmp_commands
, "query-cpu-model-baseline");
1164 qmp_unregister_command(&qmp_commands
, "query-cpu-model-comparison");
1166 #if !defined(TARGET_PPC) && !defined(TARGET_ARM) && !defined(TARGET_I386) \
1167 && !defined(TARGET_S390X)
1168 qmp_unregister_command(&qmp_commands
, "query-cpu-definitions");
1172 static void monitor_init_qmp_commands(void)
1175 * Two command lists:
1176 * - qmp_commands contains all QMP commands
1177 * - qmp_cap_negotiation_commands contains just
1178 * "qmp_capabilities", to enforce capability negotiation
1181 qmp_init_marshal(&qmp_commands
);
1183 qmp_register_command(&qmp_commands
, "query-qmp-schema",
1184 qmp_query_qmp_schema
, QCO_ALLOW_PRECONFIG
);
1185 qmp_register_command(&qmp_commands
, "device_add", qmp_device_add
,
1187 qmp_register_command(&qmp_commands
, "netdev_add", qmp_netdev_add
,
1190 qmp_unregister_commands_hack();
1192 QTAILQ_INIT(&qmp_cap_negotiation_commands
);
1193 qmp_register_command(&qmp_cap_negotiation_commands
, "qmp_capabilities",
1194 qmp_marshal_qmp_capabilities
, QCO_ALLOW_PRECONFIG
);
1197 static bool qmp_oob_enabled(Monitor
*mon
)
1199 return mon
->qmp
.capab
[QMP_CAPABILITY_OOB
];
1202 static void monitor_qmp_caps_reset(Monitor
*mon
)
1204 memset(mon
->qmp
.capab_offered
, 0, sizeof(mon
->qmp
.capab_offered
));
1205 memset(mon
->qmp
.capab
, 0, sizeof(mon
->qmp
.capab
));
1206 mon
->qmp
.capab_offered
[QMP_CAPABILITY_OOB
] = mon
->use_io_thread
;
1210 * Accept QMP capabilities in @list for @mon.
1211 * On success, set mon->qmp.capab[], and return true.
1212 * On error, set @errp, and return false.
1214 static bool qmp_caps_accept(Monitor
*mon
, QMPCapabilityList
*list
,
1217 GString
*unavailable
= NULL
;
1218 bool capab
[QMP_CAPABILITY__MAX
];
1220 memset(capab
, 0, sizeof(capab
));
1222 for (; list
; list
= list
->next
) {
1223 if (!mon
->qmp
.capab_offered
[list
->value
]) {
1225 unavailable
= g_string_new(QMPCapability_str(list
->value
));
1227 g_string_append_printf(unavailable
, ", %s",
1228 QMPCapability_str(list
->value
));
1231 capab
[list
->value
] = true;
1235 error_setg(errp
, "Capability %s not available", unavailable
->str
);
1236 g_string_free(unavailable
, true);
1240 memcpy(mon
->qmp
.capab
, capab
, sizeof(capab
));
1244 void qmp_qmp_capabilities(bool has_enable
, QMPCapabilityList
*enable
,
1247 if (cur_mon
->qmp
.commands
== &qmp_commands
) {
1248 error_set(errp
, ERROR_CLASS_COMMAND_NOT_FOUND
,
1249 "Capabilities negotiation is already complete, command "
1254 if (!qmp_caps_accept(cur_mon
, enable
, errp
)) {
1258 cur_mon
->qmp
.commands
= &qmp_commands
;
1261 /* Set the current CPU defined by the user. Callers must hold BQL. */
1262 int monitor_set_cpu(int cpu_index
)
1266 cpu
= qemu_get_cpu(cpu_index
);
1270 g_free(cur_mon
->mon_cpu_path
);
1271 cur_mon
->mon_cpu_path
= object_get_canonical_path(OBJECT(cpu
));
1275 /* Callers must hold BQL. */
1276 static CPUState
*mon_get_cpu_sync(bool synchronize
)
1280 if (cur_mon
->mon_cpu_path
) {
1281 cpu
= (CPUState
*) object_resolve_path_type(cur_mon
->mon_cpu_path
,
1284 g_free(cur_mon
->mon_cpu_path
);
1285 cur_mon
->mon_cpu_path
= NULL
;
1288 if (!cur_mon
->mon_cpu_path
) {
1292 monitor_set_cpu(first_cpu
->cpu_index
);
1296 cpu_synchronize_state(cpu
);
1301 CPUState
*mon_get_cpu(void)
1303 return mon_get_cpu_sync(true);
1306 CPUArchState
*mon_get_cpu_env(void)
1308 CPUState
*cs
= mon_get_cpu();
1310 return cs
? cs
->env_ptr
: NULL
;
1313 int monitor_get_cpu_index(void)
1315 CPUState
*cs
= mon_get_cpu_sync(false);
1317 return cs
? cs
->cpu_index
: UNASSIGNED_CPU_INDEX
;
1320 static void hmp_info_registers(Monitor
*mon
, const QDict
*qdict
)
1322 bool all_cpus
= qdict_get_try_bool(qdict
, "cpustate_all", false);
1327 monitor_printf(mon
, "\nCPU#%d\n", cs
->cpu_index
);
1328 cpu_dump_state(cs
, (FILE *)mon
, monitor_fprintf
, CPU_DUMP_FPU
);
1334 monitor_printf(mon
, "No CPU available\n");
1338 cpu_dump_state(cs
, (FILE *)mon
, monitor_fprintf
, CPU_DUMP_FPU
);
1343 static void hmp_info_jit(Monitor
*mon
, const QDict
*qdict
)
1345 if (!tcg_enabled()) {
1346 error_report("JIT information is only available with accel=tcg");
1350 dump_exec_info((FILE *)mon
, monitor_fprintf
);
1351 dump_drift_info((FILE *)mon
, monitor_fprintf
);
1354 static void hmp_info_opcount(Monitor
*mon
, const QDict
*qdict
)
1356 dump_opcount_info((FILE *)mon
, monitor_fprintf
);
1360 static void hmp_info_sync_profile(Monitor
*mon
, const QDict
*qdict
)
1362 int64_t max
= qdict_get_try_int(qdict
, "max", 10);
1363 bool mean
= qdict_get_try_bool(qdict
, "mean", false);
1364 bool coalesce
= !qdict_get_try_bool(qdict
, "no_coalesce", false);
1365 enum QSPSortBy sort_by
;
1367 sort_by
= mean
? QSP_SORT_BY_AVG_WAIT_TIME
: QSP_SORT_BY_TOTAL_WAIT_TIME
;
1368 qsp_report((FILE *)mon
, monitor_fprintf
, max
, sort_by
, coalesce
);
1371 static void hmp_info_history(Monitor
*mon
, const QDict
*qdict
)
1380 str
= readline_get_history(mon
->rs
, i
);
1383 monitor_printf(mon
, "%d: '%s'\n", i
, str
);
1388 static void hmp_info_cpustats(Monitor
*mon
, const QDict
*qdict
)
1390 CPUState
*cs
= mon_get_cpu();
1393 monitor_printf(mon
, "No CPU available\n");
1396 cpu_dump_statistics(cs
, (FILE *)mon
, &monitor_fprintf
, 0);
1399 static void hmp_info_trace_events(Monitor
*mon
, const QDict
*qdict
)
1401 const char *name
= qdict_get_try_str(qdict
, "name");
1402 bool has_vcpu
= qdict_haskey(qdict
, "vcpu");
1403 int vcpu
= qdict_get_try_int(qdict
, "vcpu", 0);
1404 TraceEventInfoList
*events
;
1405 TraceEventInfoList
*elem
;
1406 Error
*local_err
= NULL
;
1412 monitor_printf(mon
, "argument vcpu must be positive");
1416 events
= qmp_trace_event_get_state(name
, has_vcpu
, vcpu
, &local_err
);
1418 error_report_err(local_err
);
1422 for (elem
= events
; elem
!= NULL
; elem
= elem
->next
) {
1423 monitor_printf(mon
, "%s : state %u\n",
1425 elem
->value
->state
== TRACE_EVENT_STATE_ENABLED
? 1 : 0);
1427 qapi_free_TraceEventInfoList(events
);
1430 void qmp_client_migrate_info(const char *protocol
, const char *hostname
,
1431 bool has_port
, int64_t port
,
1432 bool has_tls_port
, int64_t tls_port
,
1433 bool has_cert_subject
, const char *cert_subject
,
1436 if (strcmp(protocol
, "spice") == 0) {
1437 if (!qemu_using_spice(errp
)) {
1441 if (!has_port
&& !has_tls_port
) {
1442 error_setg(errp
, QERR_MISSING_PARAMETER
, "port/tls-port");
1446 if (qemu_spice_migrate_info(hostname
,
1447 has_port
? port
: -1,
1448 has_tls_port
? tls_port
: -1,
1450 error_setg(errp
, QERR_UNDEFINED_ERROR
);
1456 error_setg(errp
, QERR_INVALID_PARAMETER_VALUE
, "protocol", "spice");
1459 static void hmp_logfile(Monitor
*mon
, const QDict
*qdict
)
1463 qemu_set_log_filename(qdict_get_str(qdict
, "filename"), &err
);
1465 error_report_err(err
);
1469 static void hmp_log(Monitor
*mon
, const QDict
*qdict
)
1472 const char *items
= qdict_get_str(qdict
, "items");
1474 if (!strcmp(items
, "none")) {
1477 mask
= qemu_str_to_log_mask(items
);
1479 help_cmd(mon
, "log");
1486 static void hmp_singlestep(Monitor
*mon
, const QDict
*qdict
)
1488 const char *option
= qdict_get_try_str(qdict
, "option");
1489 if (!option
|| !strcmp(option
, "on")) {
1491 } else if (!strcmp(option
, "off")) {
1494 monitor_printf(mon
, "unexpected option %s\n", option
);
1498 static void hmp_gdbserver(Monitor
*mon
, const QDict
*qdict
)
1500 const char *device
= qdict_get_try_str(qdict
, "device");
1502 device
= "tcp::" DEFAULT_GDBSTUB_PORT
;
1503 if (gdbserver_start(device
) < 0) {
1504 monitor_printf(mon
, "Could not open gdbserver on device '%s'\n",
1506 } else if (strcmp(device
, "none") == 0) {
1507 monitor_printf(mon
, "Disabled gdbserver\n");
1509 monitor_printf(mon
, "Waiting for gdb connection on device '%s'\n",
1514 static void hmp_watchdog_action(Monitor
*mon
, const QDict
*qdict
)
1516 const char *action
= qdict_get_str(qdict
, "action");
1517 if (select_watchdog_action(action
) == -1) {
1518 monitor_printf(mon
, "Unknown watchdog action '%s'\n", action
);
1522 static void monitor_printc(Monitor
*mon
, int c
)
1524 monitor_printf(mon
, "'");
1527 monitor_printf(mon
, "\\'");
1530 monitor_printf(mon
, "\\\\");
1533 monitor_printf(mon
, "\\n");
1536 monitor_printf(mon
, "\\r");
1539 if (c
>= 32 && c
<= 126) {
1540 monitor_printf(mon
, "%c", c
);
1542 monitor_printf(mon
, "\\x%02x", c
);
1546 monitor_printf(mon
, "'");
1549 static void memory_dump(Monitor
*mon
, int count
, int format
, int wsize
,
1550 hwaddr addr
, int is_physical
)
1552 int l
, line_size
, i
, max_digits
, len
;
1555 CPUState
*cs
= mon_get_cpu();
1557 if (!cs
&& (format
== 'i' || !is_physical
)) {
1558 monitor_printf(mon
, "Can not dump without CPU\n");
1562 if (format
== 'i') {
1563 monitor_disas(mon
, cs
, addr
, count
, is_physical
);
1567 len
= wsize
* count
;
1576 max_digits
= DIV_ROUND_UP(wsize
* 8, 3);
1580 max_digits
= (wsize
* 8) / 4;
1584 max_digits
= DIV_ROUND_UP(wsize
* 8 * 10, 33);
1593 monitor_printf(mon
, TARGET_FMT_plx
":", addr
);
1595 monitor_printf(mon
, TARGET_FMT_lx
":", (target_ulong
)addr
);
1600 cpu_physical_memory_read(addr
, buf
, l
);
1602 if (cpu_memory_rw_debug(cs
, addr
, buf
, l
, 0) < 0) {
1603 monitor_printf(mon
, " Cannot access memory\n");
1612 v
= ldub_p(buf
+ i
);
1615 v
= lduw_p(buf
+ i
);
1618 v
= (uint32_t)ldl_p(buf
+ i
);
1624 monitor_printf(mon
, " ");
1627 monitor_printf(mon
, "%#*" PRIo64
, max_digits
, v
);
1630 monitor_printf(mon
, "0x%0*" PRIx64
, max_digits
, v
);
1633 monitor_printf(mon
, "%*" PRIu64
, max_digits
, v
);
1636 monitor_printf(mon
, "%*" PRId64
, max_digits
, v
);
1639 monitor_printc(mon
, v
);
1644 monitor_printf(mon
, "\n");
1650 static void hmp_memory_dump(Monitor
*mon
, const QDict
*qdict
)
1652 int count
= qdict_get_int(qdict
, "count");
1653 int format
= qdict_get_int(qdict
, "format");
1654 int size
= qdict_get_int(qdict
, "size");
1655 target_long addr
= qdict_get_int(qdict
, "addr");
1657 memory_dump(mon
, count
, format
, size
, addr
, 0);
1660 static void hmp_physical_memory_dump(Monitor
*mon
, const QDict
*qdict
)
1662 int count
= qdict_get_int(qdict
, "count");
1663 int format
= qdict_get_int(qdict
, "format");
1664 int size
= qdict_get_int(qdict
, "size");
1665 hwaddr addr
= qdict_get_int(qdict
, "addr");
1667 memory_dump(mon
, count
, format
, size
, addr
, 1);
1670 static void *gpa2hva(MemoryRegion
**p_mr
, hwaddr addr
, Error
**errp
)
1672 MemoryRegionSection mrs
= memory_region_find(get_system_memory(),
1676 error_setg(errp
, "No memory is mapped at address 0x%" HWADDR_PRIx
, addr
);
1680 if (!memory_region_is_ram(mrs
.mr
) && !memory_region_is_romd(mrs
.mr
)) {
1681 error_setg(errp
, "Memory at address 0x%" HWADDR_PRIx
"is not RAM", addr
);
1682 memory_region_unref(mrs
.mr
);
1687 return qemu_map_ram_ptr(mrs
.mr
->ram_block
, mrs
.offset_within_region
);
1690 static void hmp_gpa2hva(Monitor
*mon
, const QDict
*qdict
)
1692 hwaddr addr
= qdict_get_int(qdict
, "addr");
1693 Error
*local_err
= NULL
;
1694 MemoryRegion
*mr
= NULL
;
1697 ptr
= gpa2hva(&mr
, addr
, &local_err
);
1699 error_report_err(local_err
);
1703 monitor_printf(mon
, "Host virtual address for 0x%" HWADDR_PRIx
1705 addr
, mr
->name
, ptr
);
1707 memory_region_unref(mr
);
1711 static uint64_t vtop(void *ptr
, Error
**errp
)
1715 uintptr_t addr
= (uintptr_t) ptr
;
1716 uintptr_t pagesize
= getpagesize();
1717 off_t offset
= addr
/ pagesize
* sizeof(pinfo
);
1720 fd
= open("/proc/self/pagemap", O_RDONLY
);
1722 error_setg_errno(errp
, errno
, "Cannot open /proc/self/pagemap");
1726 /* Force copy-on-write if necessary. */
1727 atomic_add((uint8_t *)ptr
, 0);
1729 if (pread(fd
, &pinfo
, sizeof(pinfo
), offset
) != sizeof(pinfo
)) {
1730 error_setg_errno(errp
, errno
, "Cannot read pagemap");
1733 if ((pinfo
& (1ull << 63)) == 0) {
1734 error_setg(errp
, "Page not present");
1737 ret
= ((pinfo
& 0x007fffffffffffffull
) * pagesize
) | (addr
& (pagesize
- 1));
1744 static void hmp_gpa2hpa(Monitor
*mon
, const QDict
*qdict
)
1746 hwaddr addr
= qdict_get_int(qdict
, "addr");
1747 Error
*local_err
= NULL
;
1748 MemoryRegion
*mr
= NULL
;
1752 ptr
= gpa2hva(&mr
, addr
, &local_err
);
1754 error_report_err(local_err
);
1758 physaddr
= vtop(ptr
, &local_err
);
1760 error_report_err(local_err
);
1762 monitor_printf(mon
, "Host physical address for 0x%" HWADDR_PRIx
1763 " (%s) is 0x%" PRIx64
"\n",
1764 addr
, mr
->name
, (uint64_t) physaddr
);
1767 memory_region_unref(mr
);
1771 static void do_print(Monitor
*mon
, const QDict
*qdict
)
1773 int format
= qdict_get_int(qdict
, "format");
1774 hwaddr val
= qdict_get_int(qdict
, "val");
1778 monitor_printf(mon
, "%#" HWADDR_PRIo
, val
);
1781 monitor_printf(mon
, "%#" HWADDR_PRIx
, val
);
1784 monitor_printf(mon
, "%" HWADDR_PRIu
, val
);
1788 monitor_printf(mon
, "%" HWADDR_PRId
, val
);
1791 monitor_printc(mon
, val
);
1794 monitor_printf(mon
, "\n");
1797 static void hmp_sum(Monitor
*mon
, const QDict
*qdict
)
1801 uint32_t start
= qdict_get_int(qdict
, "start");
1802 uint32_t size
= qdict_get_int(qdict
, "size");
1805 for(addr
= start
; addr
< (start
+ size
); addr
++) {
1806 uint8_t val
= address_space_ldub(&address_space_memory
, addr
,
1807 MEMTXATTRS_UNSPECIFIED
, NULL
);
1808 /* BSD sum algorithm ('sum' Unix command) */
1809 sum
= (sum
>> 1) | (sum
<< 15);
1812 monitor_printf(mon
, "%05d\n", sum
);
1815 static int mouse_button_state
;
1817 static void hmp_mouse_move(Monitor
*mon
, const QDict
*qdict
)
1819 int dx
, dy
, dz
, button
;
1820 const char *dx_str
= qdict_get_str(qdict
, "dx_str");
1821 const char *dy_str
= qdict_get_str(qdict
, "dy_str");
1822 const char *dz_str
= qdict_get_try_str(qdict
, "dz_str");
1824 dx
= strtol(dx_str
, NULL
, 0);
1825 dy
= strtol(dy_str
, NULL
, 0);
1826 qemu_input_queue_rel(NULL
, INPUT_AXIS_X
, dx
);
1827 qemu_input_queue_rel(NULL
, INPUT_AXIS_Y
, dy
);
1830 dz
= strtol(dz_str
, NULL
, 0);
1832 button
= (dz
> 0) ? INPUT_BUTTON_WHEEL_UP
: INPUT_BUTTON_WHEEL_DOWN
;
1833 qemu_input_queue_btn(NULL
, button
, true);
1834 qemu_input_event_sync();
1835 qemu_input_queue_btn(NULL
, button
, false);
1838 qemu_input_event_sync();
1841 static void hmp_mouse_button(Monitor
*mon
, const QDict
*qdict
)
1843 static uint32_t bmap
[INPUT_BUTTON__MAX
] = {
1844 [INPUT_BUTTON_LEFT
] = MOUSE_EVENT_LBUTTON
,
1845 [INPUT_BUTTON_MIDDLE
] = MOUSE_EVENT_MBUTTON
,
1846 [INPUT_BUTTON_RIGHT
] = MOUSE_EVENT_RBUTTON
,
1848 int button_state
= qdict_get_int(qdict
, "button_state");
1850 if (mouse_button_state
== button_state
) {
1853 qemu_input_update_buttons(NULL
, bmap
, mouse_button_state
, button_state
);
1854 qemu_input_event_sync();
1855 mouse_button_state
= button_state
;
1858 static void hmp_ioport_read(Monitor
*mon
, const QDict
*qdict
)
1860 int size
= qdict_get_int(qdict
, "size");
1861 int addr
= qdict_get_int(qdict
, "addr");
1862 int has_index
= qdict_haskey(qdict
, "index");
1867 int index
= qdict_get_int(qdict
, "index");
1868 cpu_outb(addr
& IOPORTS_MASK
, index
& 0xff);
1876 val
= cpu_inb(addr
);
1880 val
= cpu_inw(addr
);
1884 val
= cpu_inl(addr
);
1888 monitor_printf(mon
, "port%c[0x%04x] = %#0*x\n",
1889 suffix
, addr
, size
* 2, val
);
1892 static void hmp_ioport_write(Monitor
*mon
, const QDict
*qdict
)
1894 int size
= qdict_get_int(qdict
, "size");
1895 int addr
= qdict_get_int(qdict
, "addr");
1896 int val
= qdict_get_int(qdict
, "val");
1898 addr
&= IOPORTS_MASK
;
1903 cpu_outb(addr
, val
);
1906 cpu_outw(addr
, val
);
1909 cpu_outl(addr
, val
);
1914 static void hmp_boot_set(Monitor
*mon
, const QDict
*qdict
)
1916 Error
*local_err
= NULL
;
1917 const char *bootdevice
= qdict_get_str(qdict
, "bootdevice");
1919 qemu_boot_set(bootdevice
, &local_err
);
1921 error_report_err(local_err
);
1923 monitor_printf(mon
, "boot device list now set to %s\n", bootdevice
);
1927 static void hmp_info_mtree(Monitor
*mon
, const QDict
*qdict
)
1929 bool flatview
= qdict_get_try_bool(qdict
, "flatview", false);
1930 bool dispatch_tree
= qdict_get_try_bool(qdict
, "dispatch_tree", false);
1931 bool owner
= qdict_get_try_bool(qdict
, "owner", false);
1933 mtree_info((fprintf_function
)monitor_printf
, mon
, flatview
, dispatch_tree
,
1937 static void hmp_info_numa(Monitor
*mon
, const QDict
*qdict
)
1940 NumaNodeMem
*node_mem
;
1941 CpuInfoList
*cpu_list
, *cpu
;
1943 cpu_list
= qmp_query_cpus(&error_abort
);
1944 node_mem
= g_new0(NumaNodeMem
, nb_numa_nodes
);
1946 query_numa_node_mem(node_mem
);
1947 monitor_printf(mon
, "%d nodes\n", nb_numa_nodes
);
1948 for (i
= 0; i
< nb_numa_nodes
; i
++) {
1949 monitor_printf(mon
, "node %d cpus:", i
);
1950 for (cpu
= cpu_list
; cpu
; cpu
= cpu
->next
) {
1951 if (cpu
->value
->has_props
&& cpu
->value
->props
->has_node_id
&&
1952 cpu
->value
->props
->node_id
== i
) {
1953 monitor_printf(mon
, " %" PRIi64
, cpu
->value
->CPU
);
1956 monitor_printf(mon
, "\n");
1957 monitor_printf(mon
, "node %d size: %" PRId64
" MB\n", i
,
1958 node_mem
[i
].node_mem
>> 20);
1959 monitor_printf(mon
, "node %d plugged: %" PRId64
" MB\n", i
,
1960 node_mem
[i
].node_plugged_mem
>> 20);
1962 qapi_free_CpuInfoList(cpu_list
);
1966 #ifdef CONFIG_PROFILER
1971 static void hmp_info_profile(Monitor
*mon
, const QDict
*qdict
)
1973 monitor_printf(mon
, "async time %" PRId64
" (%0.3f)\n",
1974 dev_time
, dev_time
/ (double)NANOSECONDS_PER_SECOND
);
1975 monitor_printf(mon
, "qemu time %" PRId64
" (%0.3f)\n",
1976 tcg_time
, tcg_time
/ (double)NANOSECONDS_PER_SECOND
);
1981 static void hmp_info_profile(Monitor
*mon
, const QDict
*qdict
)
1983 monitor_printf(mon
, "Internal profiler not compiled\n");
1987 /* Capture support */
1988 static QLIST_HEAD (capture_list_head
, CaptureState
) capture_head
;
1990 static void hmp_info_capture(Monitor
*mon
, const QDict
*qdict
)
1995 for (s
= capture_head
.lh_first
, i
= 0; s
; s
= s
->entries
.le_next
, ++i
) {
1996 monitor_printf(mon
, "[%d]: ", i
);
1997 s
->ops
.info (s
->opaque
);
2001 static void hmp_stopcapture(Monitor
*mon
, const QDict
*qdict
)
2004 int n
= qdict_get_int(qdict
, "n");
2007 for (s
= capture_head
.lh_first
, i
= 0; s
; s
= s
->entries
.le_next
, ++i
) {
2009 s
->ops
.destroy (s
->opaque
);
2010 QLIST_REMOVE (s
, entries
);
2017 static void hmp_wavcapture(Monitor
*mon
, const QDict
*qdict
)
2019 const char *path
= qdict_get_str(qdict
, "path");
2020 int has_freq
= qdict_haskey(qdict
, "freq");
2021 int freq
= qdict_get_try_int(qdict
, "freq", -1);
2022 int has_bits
= qdict_haskey(qdict
, "bits");
2023 int bits
= qdict_get_try_int(qdict
, "bits", -1);
2024 int has_channels
= qdict_haskey(qdict
, "nchannels");
2025 int nchannels
= qdict_get_try_int(qdict
, "nchannels", -1);
2028 s
= g_malloc0 (sizeof (*s
));
2030 freq
= has_freq
? freq
: 44100;
2031 bits
= has_bits
? bits
: 16;
2032 nchannels
= has_channels
? nchannels
: 2;
2034 if (wav_start_capture (s
, path
, freq
, bits
, nchannels
)) {
2035 monitor_printf(mon
, "Failed to add wave capture\n");
2039 QLIST_INSERT_HEAD (&capture_head
, s
, entries
);
2042 static qemu_acl
*find_acl(Monitor
*mon
, const char *name
)
2044 qemu_acl
*acl
= qemu_acl_find(name
);
2047 monitor_printf(mon
, "acl: unknown list '%s'\n", name
);
2052 static void hmp_acl_show(Monitor
*mon
, const QDict
*qdict
)
2054 const char *aclname
= qdict_get_str(qdict
, "aclname");
2055 qemu_acl
*acl
= find_acl(mon
, aclname
);
2056 qemu_acl_entry
*entry
;
2060 monitor_printf(mon
, "policy: %s\n",
2061 acl
->defaultDeny
? "deny" : "allow");
2062 QTAILQ_FOREACH(entry
, &acl
->entries
, next
) {
2064 monitor_printf(mon
, "%d: %s %s\n", i
,
2065 entry
->deny
? "deny" : "allow", entry
->match
);
2070 static void hmp_acl_reset(Monitor
*mon
, const QDict
*qdict
)
2072 const char *aclname
= qdict_get_str(qdict
, "aclname");
2073 qemu_acl
*acl
= find_acl(mon
, aclname
);
2076 qemu_acl_reset(acl
);
2077 monitor_printf(mon
, "acl: removed all rules\n");
2081 static void hmp_acl_policy(Monitor
*mon
, const QDict
*qdict
)
2083 const char *aclname
= qdict_get_str(qdict
, "aclname");
2084 const char *policy
= qdict_get_str(qdict
, "policy");
2085 qemu_acl
*acl
= find_acl(mon
, aclname
);
2088 if (strcmp(policy
, "allow") == 0) {
2089 acl
->defaultDeny
= 0;
2090 monitor_printf(mon
, "acl: policy set to 'allow'\n");
2091 } else if (strcmp(policy
, "deny") == 0) {
2092 acl
->defaultDeny
= 1;
2093 monitor_printf(mon
, "acl: policy set to 'deny'\n");
2095 monitor_printf(mon
, "acl: unknown policy '%s', "
2096 "expected 'deny' or 'allow'\n", policy
);
2101 static void hmp_acl_add(Monitor
*mon
, const QDict
*qdict
)
2103 const char *aclname
= qdict_get_str(qdict
, "aclname");
2104 const char *match
= qdict_get_str(qdict
, "match");
2105 const char *policy
= qdict_get_str(qdict
, "policy");
2106 int has_index
= qdict_haskey(qdict
, "index");
2107 int index
= qdict_get_try_int(qdict
, "index", -1);
2108 qemu_acl
*acl
= find_acl(mon
, aclname
);
2112 if (strcmp(policy
, "allow") == 0) {
2114 } else if (strcmp(policy
, "deny") == 0) {
2117 monitor_printf(mon
, "acl: unknown policy '%s', "
2118 "expected 'deny' or 'allow'\n", policy
);
2122 ret
= qemu_acl_insert(acl
, deny
, match
, index
);
2124 ret
= qemu_acl_append(acl
, deny
, match
);
2126 monitor_printf(mon
, "acl: unable to add acl entry\n");
2128 monitor_printf(mon
, "acl: added rule at position %d\n", ret
);
2132 static void hmp_acl_remove(Monitor
*mon
, const QDict
*qdict
)
2134 const char *aclname
= qdict_get_str(qdict
, "aclname");
2135 const char *match
= qdict_get_str(qdict
, "match");
2136 qemu_acl
*acl
= find_acl(mon
, aclname
);
2140 ret
= qemu_acl_remove(acl
, match
);
2142 monitor_printf(mon
, "acl: no matching acl entry\n");
2144 monitor_printf(mon
, "acl: removed rule at position %d\n", ret
);
2148 void qmp_getfd(const char *fdname
, Error
**errp
)
2153 fd
= qemu_chr_fe_get_msgfd(&cur_mon
->chr
);
2155 error_setg(errp
, QERR_FD_NOT_SUPPLIED
);
2159 if (qemu_isdigit(fdname
[0])) {
2161 error_setg(errp
, QERR_INVALID_PARAMETER_VALUE
, "fdname",
2162 "a name not starting with a digit");
2166 qemu_mutex_lock(&cur_mon
->mon_lock
);
2167 QLIST_FOREACH(monfd
, &cur_mon
->fds
, next
) {
2168 if (strcmp(monfd
->name
, fdname
) != 0) {
2174 qemu_mutex_unlock(&cur_mon
->mon_lock
);
2175 /* Make sure close() is outside critical section */
2180 monfd
= g_malloc0(sizeof(mon_fd_t
));
2181 monfd
->name
= g_strdup(fdname
);
2184 QLIST_INSERT_HEAD(&cur_mon
->fds
, monfd
, next
);
2185 qemu_mutex_unlock(&cur_mon
->mon_lock
);
2188 void qmp_closefd(const char *fdname
, Error
**errp
)
2193 qemu_mutex_lock(&cur_mon
->mon_lock
);
2194 QLIST_FOREACH(monfd
, &cur_mon
->fds
, next
) {
2195 if (strcmp(monfd
->name
, fdname
) != 0) {
2199 QLIST_REMOVE(monfd
, next
);
2201 g_free(monfd
->name
);
2203 qemu_mutex_unlock(&cur_mon
->mon_lock
);
2204 /* Make sure close() is outside critical section */
2209 qemu_mutex_unlock(&cur_mon
->mon_lock
);
2210 error_setg(errp
, QERR_FD_NOT_FOUND
, fdname
);
2213 int monitor_get_fd(Monitor
*mon
, const char *fdname
, Error
**errp
)
2217 qemu_mutex_lock(&mon
->mon_lock
);
2218 QLIST_FOREACH(monfd
, &mon
->fds
, next
) {
2221 if (strcmp(monfd
->name
, fdname
) != 0) {
2227 /* caller takes ownership of fd */
2228 QLIST_REMOVE(monfd
, next
);
2229 g_free(monfd
->name
);
2231 qemu_mutex_unlock(&mon
->mon_lock
);
2236 qemu_mutex_unlock(&mon
->mon_lock
);
2237 error_setg(errp
, "File descriptor named '%s' has not been found", fdname
);
2241 static void monitor_fdset_cleanup(MonFdset
*mon_fdset
)
2243 MonFdsetFd
*mon_fdset_fd
;
2244 MonFdsetFd
*mon_fdset_fd_next
;
2246 QLIST_FOREACH_SAFE(mon_fdset_fd
, &mon_fdset
->fds
, next
, mon_fdset_fd_next
) {
2247 if ((mon_fdset_fd
->removed
||
2248 (QLIST_EMPTY(&mon_fdset
->dup_fds
) && mon_refcount
== 0)) &&
2249 runstate_is_running()) {
2250 close(mon_fdset_fd
->fd
);
2251 g_free(mon_fdset_fd
->opaque
);
2252 QLIST_REMOVE(mon_fdset_fd
, next
);
2253 g_free(mon_fdset_fd
);
2257 if (QLIST_EMPTY(&mon_fdset
->fds
) && QLIST_EMPTY(&mon_fdset
->dup_fds
)) {
2258 QLIST_REMOVE(mon_fdset
, next
);
2263 static void monitor_fdsets_cleanup(void)
2265 MonFdset
*mon_fdset
;
2266 MonFdset
*mon_fdset_next
;
2268 qemu_mutex_lock(&mon_fdsets_lock
);
2269 QLIST_FOREACH_SAFE(mon_fdset
, &mon_fdsets
, next
, mon_fdset_next
) {
2270 monitor_fdset_cleanup(mon_fdset
);
2272 qemu_mutex_unlock(&mon_fdsets_lock
);
2275 AddfdInfo
*qmp_add_fd(bool has_fdset_id
, int64_t fdset_id
, bool has_opaque
,
2276 const char *opaque
, Error
**errp
)
2279 Monitor
*mon
= cur_mon
;
2282 fd
= qemu_chr_fe_get_msgfd(&mon
->chr
);
2284 error_setg(errp
, QERR_FD_NOT_SUPPLIED
);
2288 fdinfo
= monitor_fdset_add_fd(fd
, has_fdset_id
, fdset_id
,
2289 has_opaque
, opaque
, errp
);
2301 void qmp_remove_fd(int64_t fdset_id
, bool has_fd
, int64_t fd
, Error
**errp
)
2303 MonFdset
*mon_fdset
;
2304 MonFdsetFd
*mon_fdset_fd
;
2307 qemu_mutex_lock(&mon_fdsets_lock
);
2308 QLIST_FOREACH(mon_fdset
, &mon_fdsets
, next
) {
2309 if (mon_fdset
->id
!= fdset_id
) {
2312 QLIST_FOREACH(mon_fdset_fd
, &mon_fdset
->fds
, next
) {
2314 if (mon_fdset_fd
->fd
!= fd
) {
2317 mon_fdset_fd
->removed
= true;
2320 mon_fdset_fd
->removed
= true;
2323 if (has_fd
&& !mon_fdset_fd
) {
2326 monitor_fdset_cleanup(mon_fdset
);
2327 qemu_mutex_unlock(&mon_fdsets_lock
);
2332 qemu_mutex_unlock(&mon_fdsets_lock
);
2334 snprintf(fd_str
, sizeof(fd_str
), "fdset-id:%" PRId64
", fd:%" PRId64
,
2337 snprintf(fd_str
, sizeof(fd_str
), "fdset-id:%" PRId64
, fdset_id
);
2339 error_setg(errp
, QERR_FD_NOT_FOUND
, fd_str
);
2342 FdsetInfoList
*qmp_query_fdsets(Error
**errp
)
2344 MonFdset
*mon_fdset
;
2345 MonFdsetFd
*mon_fdset_fd
;
2346 FdsetInfoList
*fdset_list
= NULL
;
2348 qemu_mutex_lock(&mon_fdsets_lock
);
2349 QLIST_FOREACH(mon_fdset
, &mon_fdsets
, next
) {
2350 FdsetInfoList
*fdset_info
= g_malloc0(sizeof(*fdset_info
));
2351 FdsetFdInfoList
*fdsetfd_list
= NULL
;
2353 fdset_info
->value
= g_malloc0(sizeof(*fdset_info
->value
));
2354 fdset_info
->value
->fdset_id
= mon_fdset
->id
;
2356 QLIST_FOREACH(mon_fdset_fd
, &mon_fdset
->fds
, next
) {
2357 FdsetFdInfoList
*fdsetfd_info
;
2359 fdsetfd_info
= g_malloc0(sizeof(*fdsetfd_info
));
2360 fdsetfd_info
->value
= g_malloc0(sizeof(*fdsetfd_info
->value
));
2361 fdsetfd_info
->value
->fd
= mon_fdset_fd
->fd
;
2362 if (mon_fdset_fd
->opaque
) {
2363 fdsetfd_info
->value
->has_opaque
= true;
2364 fdsetfd_info
->value
->opaque
= g_strdup(mon_fdset_fd
->opaque
);
2366 fdsetfd_info
->value
->has_opaque
= false;
2369 fdsetfd_info
->next
= fdsetfd_list
;
2370 fdsetfd_list
= fdsetfd_info
;
2373 fdset_info
->value
->fds
= fdsetfd_list
;
2375 fdset_info
->next
= fdset_list
;
2376 fdset_list
= fdset_info
;
2378 qemu_mutex_unlock(&mon_fdsets_lock
);
2383 AddfdInfo
*monitor_fdset_add_fd(int fd
, bool has_fdset_id
, int64_t fdset_id
,
2384 bool has_opaque
, const char *opaque
,
2387 MonFdset
*mon_fdset
= NULL
;
2388 MonFdsetFd
*mon_fdset_fd
;
2391 qemu_mutex_lock(&mon_fdsets_lock
);
2393 QLIST_FOREACH(mon_fdset
, &mon_fdsets
, next
) {
2394 /* Break if match found or match impossible due to ordering by ID */
2395 if (fdset_id
<= mon_fdset
->id
) {
2396 if (fdset_id
< mon_fdset
->id
) {
2404 if (mon_fdset
== NULL
) {
2405 int64_t fdset_id_prev
= -1;
2406 MonFdset
*mon_fdset_cur
= QLIST_FIRST(&mon_fdsets
);
2410 error_setg(errp
, QERR_INVALID_PARAMETER_VALUE
, "fdset-id",
2411 "a non-negative value");
2412 qemu_mutex_unlock(&mon_fdsets_lock
);
2415 /* Use specified fdset ID */
2416 QLIST_FOREACH(mon_fdset
, &mon_fdsets
, next
) {
2417 mon_fdset_cur
= mon_fdset
;
2418 if (fdset_id
< mon_fdset_cur
->id
) {
2423 /* Use first available fdset ID */
2424 QLIST_FOREACH(mon_fdset
, &mon_fdsets
, next
) {
2425 mon_fdset_cur
= mon_fdset
;
2426 if (fdset_id_prev
== mon_fdset_cur
->id
- 1) {
2427 fdset_id_prev
= mon_fdset_cur
->id
;
2434 mon_fdset
= g_malloc0(sizeof(*mon_fdset
));
2436 mon_fdset
->id
= fdset_id
;
2438 mon_fdset
->id
= fdset_id_prev
+ 1;
2441 /* The fdset list is ordered by fdset ID */
2442 if (!mon_fdset_cur
) {
2443 QLIST_INSERT_HEAD(&mon_fdsets
, mon_fdset
, next
);
2444 } else if (mon_fdset
->id
< mon_fdset_cur
->id
) {
2445 QLIST_INSERT_BEFORE(mon_fdset_cur
, mon_fdset
, next
);
2447 QLIST_INSERT_AFTER(mon_fdset_cur
, mon_fdset
, next
);
2451 mon_fdset_fd
= g_malloc0(sizeof(*mon_fdset_fd
));
2452 mon_fdset_fd
->fd
= fd
;
2453 mon_fdset_fd
->removed
= false;
2455 mon_fdset_fd
->opaque
= g_strdup(opaque
);
2457 QLIST_INSERT_HEAD(&mon_fdset
->fds
, mon_fdset_fd
, next
);
2459 fdinfo
= g_malloc0(sizeof(*fdinfo
));
2460 fdinfo
->fdset_id
= mon_fdset
->id
;
2461 fdinfo
->fd
= mon_fdset_fd
->fd
;
2463 qemu_mutex_unlock(&mon_fdsets_lock
);
2467 int monitor_fdset_get_fd(int64_t fdset_id
, int flags
)
2472 MonFdset
*mon_fdset
;
2473 MonFdsetFd
*mon_fdset_fd
;
2477 qemu_mutex_lock(&mon_fdsets_lock
);
2478 QLIST_FOREACH(mon_fdset
, &mon_fdsets
, next
) {
2479 if (mon_fdset
->id
!= fdset_id
) {
2482 QLIST_FOREACH(mon_fdset_fd
, &mon_fdset
->fds
, next
) {
2483 mon_fd_flags
= fcntl(mon_fdset_fd
->fd
, F_GETFL
);
2484 if (mon_fd_flags
== -1) {
2489 if ((flags
& O_ACCMODE
) == (mon_fd_flags
& O_ACCMODE
)) {
2490 ret
= mon_fdset_fd
->fd
;
2500 qemu_mutex_unlock(&mon_fdsets_lock
);
2505 int monitor_fdset_dup_fd_add(int64_t fdset_id
, int dup_fd
)
2507 MonFdset
*mon_fdset
;
2508 MonFdsetFd
*mon_fdset_fd_dup
;
2510 qemu_mutex_lock(&mon_fdsets_lock
);
2511 QLIST_FOREACH(mon_fdset
, &mon_fdsets
, next
) {
2512 if (mon_fdset
->id
!= fdset_id
) {
2515 QLIST_FOREACH(mon_fdset_fd_dup
, &mon_fdset
->dup_fds
, next
) {
2516 if (mon_fdset_fd_dup
->fd
== dup_fd
) {
2520 mon_fdset_fd_dup
= g_malloc0(sizeof(*mon_fdset_fd_dup
));
2521 mon_fdset_fd_dup
->fd
= dup_fd
;
2522 QLIST_INSERT_HEAD(&mon_fdset
->dup_fds
, mon_fdset_fd_dup
, next
);
2523 qemu_mutex_unlock(&mon_fdsets_lock
);
2528 qemu_mutex_unlock(&mon_fdsets_lock
);
2532 static int monitor_fdset_dup_fd_find_remove(int dup_fd
, bool remove
)
2534 MonFdset
*mon_fdset
;
2535 MonFdsetFd
*mon_fdset_fd_dup
;
2537 qemu_mutex_lock(&mon_fdsets_lock
);
2538 QLIST_FOREACH(mon_fdset
, &mon_fdsets
, next
) {
2539 QLIST_FOREACH(mon_fdset_fd_dup
, &mon_fdset
->dup_fds
, next
) {
2540 if (mon_fdset_fd_dup
->fd
== dup_fd
) {
2542 QLIST_REMOVE(mon_fdset_fd_dup
, next
);
2543 if (QLIST_EMPTY(&mon_fdset
->dup_fds
)) {
2544 monitor_fdset_cleanup(mon_fdset
);
2548 qemu_mutex_unlock(&mon_fdsets_lock
);
2549 return mon_fdset
->id
;
2556 qemu_mutex_unlock(&mon_fdsets_lock
);
2560 int monitor_fdset_dup_fd_find(int dup_fd
)
2562 return monitor_fdset_dup_fd_find_remove(dup_fd
, false);
2565 void monitor_fdset_dup_fd_remove(int dup_fd
)
2567 monitor_fdset_dup_fd_find_remove(dup_fd
, true);
2570 int monitor_fd_param(Monitor
*mon
, const char *fdname
, Error
**errp
)
2573 Error
*local_err
= NULL
;
2575 if (!qemu_isdigit(fdname
[0]) && mon
) {
2576 fd
= monitor_get_fd(mon
, fdname
, &local_err
);
2578 fd
= qemu_parse_fd(fdname
);
2580 error_setg(&local_err
, "Invalid file descriptor number '%s'",
2585 error_propagate(errp
, local_err
);
2594 /* Please update hmp-commands.hx when adding or changing commands */
2595 static mon_cmd_t info_cmds
[] = {
2596 #include "hmp-commands-info.h"
2600 /* mon_cmds and info_cmds would be sorted at runtime */
2601 static mon_cmd_t mon_cmds
[] = {
2602 #include "hmp-commands.h"
2606 /*******************************************************************/
2608 static const char *pch
;
2609 static sigjmp_buf expr_env
;
2612 static void GCC_FMT_ATTR(2, 3) QEMU_NORETURN
2613 expr_error(Monitor
*mon
, const char *fmt
, ...)
2617 monitor_vprintf(mon
, fmt
, ap
);
2618 monitor_printf(mon
, "\n");
2620 siglongjmp(expr_env
, 1);
2623 /* return 0 if OK, -1 if not found */
2624 static int get_monitor_def(target_long
*pval
, const char *name
)
2626 const MonitorDef
*md
= target_monitor_defs();
2627 CPUState
*cs
= mon_get_cpu();
2632 if (cs
== NULL
|| md
== NULL
) {
2636 for(; md
->name
!= NULL
; md
++) {
2637 if (compare_cmd(name
, md
->name
)) {
2638 if (md
->get_value
) {
2639 *pval
= md
->get_value(md
, md
->offset
);
2641 CPUArchState
*env
= mon_get_cpu_env();
2642 ptr
= (uint8_t *)env
+ md
->offset
;
2645 *pval
= *(int32_t *)ptr
;
2648 *pval
= *(target_long
*)ptr
;
2659 ret
= target_get_monitor_def(cs
, name
, &tmp
);
2661 *pval
= (target_long
) tmp
;
2667 static void next(void)
2671 while (qemu_isspace(*pch
))
2676 static int64_t expr_sum(Monitor
*mon
);
2678 static int64_t expr_unary(Monitor
*mon
)
2687 n
= expr_unary(mon
);
2691 n
= -expr_unary(mon
);
2695 n
= ~expr_unary(mon
);
2701 expr_error(mon
, "')' expected");
2708 expr_error(mon
, "character constant expected");
2712 expr_error(mon
, "missing terminating \' character");
2722 while ((*pch
>= 'a' && *pch
<= 'z') ||
2723 (*pch
>= 'A' && *pch
<= 'Z') ||
2724 (*pch
>= '0' && *pch
<= '9') ||
2725 *pch
== '_' || *pch
== '.') {
2726 if ((q
- buf
) < sizeof(buf
) - 1)
2730 while (qemu_isspace(*pch
))
2733 ret
= get_monitor_def(®
, buf
);
2735 expr_error(mon
, "unknown register");
2740 expr_error(mon
, "unexpected end of expression");
2745 n
= strtoull(pch
, &p
, 0);
2746 if (errno
== ERANGE
) {
2747 expr_error(mon
, "number too large");
2750 expr_error(mon
, "invalid char '%c' in expression", *p
);
2753 while (qemu_isspace(*pch
))
2761 static int64_t expr_prod(Monitor
*mon
)
2766 val
= expr_unary(mon
);
2769 if (op
!= '*' && op
!= '/' && op
!= '%')
2772 val2
= expr_unary(mon
);
2781 expr_error(mon
, "division by zero");
2792 static int64_t expr_logic(Monitor
*mon
)
2797 val
= expr_prod(mon
);
2800 if (op
!= '&' && op
!= '|' && op
!= '^')
2803 val2
= expr_prod(mon
);
2820 static int64_t expr_sum(Monitor
*mon
)
2825 val
= expr_logic(mon
);
2828 if (op
!= '+' && op
!= '-')
2831 val2
= expr_logic(mon
);
2840 static int get_expr(Monitor
*mon
, int64_t *pval
, const char **pp
)
2843 if (sigsetjmp(expr_env
, 0)) {
2847 while (qemu_isspace(*pch
))
2849 *pval
= expr_sum(mon
);
2854 static int get_double(Monitor
*mon
, double *pval
, const char **pp
)
2856 const char *p
= *pp
;
2860 d
= strtod(p
, &tailp
);
2862 monitor_printf(mon
, "Number expected\n");
2865 if (d
!= d
|| d
- d
!= 0) {
2866 /* NaN or infinity */
2867 monitor_printf(mon
, "Bad number\n");
2876 * Store the command-name in cmdname, and return a pointer to
2877 * the remaining of the command string.
2879 static const char *get_command_name(const char *cmdline
,
2880 char *cmdname
, size_t nlen
)
2883 const char *p
, *pstart
;
2886 while (qemu_isspace(*p
))
2891 while (*p
!= '\0' && *p
!= '/' && !qemu_isspace(*p
))
2896 memcpy(cmdname
, pstart
, len
);
2897 cmdname
[len
] = '\0';
2902 * Read key of 'type' into 'key' and return the current
2905 static char *key_get_info(const char *type
, char **key
)
2913 p
= strchr(type
, ':');
2920 str
= g_malloc(len
+ 1);
2921 memcpy(str
, type
, len
);
2928 static int default_fmt_format
= 'x';
2929 static int default_fmt_size
= 4;
2931 static int is_valid_option(const char *c
, const char *typestr
)
2939 typestr
= strstr(typestr
, option
);
2940 return (typestr
!= NULL
);
2943 static const mon_cmd_t
*search_dispatch_table(const mon_cmd_t
*disp_table
,
2944 const char *cmdname
)
2946 const mon_cmd_t
*cmd
;
2948 for (cmd
= disp_table
; cmd
->name
!= NULL
; cmd
++) {
2949 if (compare_cmd(cmdname
, cmd
->name
)) {
2958 * Parse command name from @cmdp according to command table @table.
2959 * If blank, return NULL.
2960 * Else, if no valid command can be found, report to @mon, and return
2962 * Else, change @cmdp to point right behind the name, and return its
2963 * command table entry.
2964 * Do not assume the return value points into @table! It doesn't when
2965 * the command is found in a sub-command table.
2967 static const mon_cmd_t
*monitor_parse_command(Monitor
*mon
,
2968 const char *cmdp_start
,
2973 const mon_cmd_t
*cmd
;
2976 /* extract the command name */
2977 p
= get_command_name(*cmdp
, cmdname
, sizeof(cmdname
));
2981 cmd
= search_dispatch_table(table
, cmdname
);
2983 monitor_printf(mon
, "unknown command: '%.*s'\n",
2984 (int)(p
- cmdp_start
), cmdp_start
);
2987 if (runstate_check(RUN_STATE_PRECONFIG
) && !cmd_can_preconfig(cmd
)) {
2988 monitor_printf(mon
, "Command '%.*s' not available with -preconfig "
2989 "until after exit_preconfig.\n",
2990 (int)(p
- cmdp_start
), cmdp_start
);
2994 /* filter out following useless space */
2995 while (qemu_isspace(*p
)) {
3000 /* search sub command */
3001 if (cmd
->sub_table
!= NULL
&& *p
!= '\0') {
3002 return monitor_parse_command(mon
, cmdp_start
, cmdp
, cmd
->sub_table
);
3009 * Parse arguments for @cmd.
3010 * If it can't be parsed, report to @mon, and return NULL.
3011 * Else, insert command arguments into a QDict, and return it.
3012 * Note: On success, caller has to free the QDict structure.
3015 static QDict
*monitor_parse_arguments(Monitor
*mon
,
3017 const mon_cmd_t
*cmd
)
3019 const char *typestr
;
3022 const char *p
= *endp
;
3024 QDict
*qdict
= qdict_new();
3026 /* parse the parameters */
3027 typestr
= cmd
->args_type
;
3029 typestr
= key_get_info(typestr
, &key
);
3041 while (qemu_isspace(*p
))
3043 if (*typestr
== '?') {
3046 /* no optional string: NULL argument */
3050 ret
= get_str(buf
, sizeof(buf
), &p
);
3054 monitor_printf(mon
, "%s: filename expected\n",
3058 monitor_printf(mon
, "%s: block device name expected\n",
3062 monitor_printf(mon
, "%s: string expected\n", cmd
->name
);
3067 qdict_put_str(qdict
, key
, buf
);
3072 QemuOptsList
*opts_list
;
3075 opts_list
= qemu_find_opts(key
);
3076 if (!opts_list
|| opts_list
->desc
->name
) {
3079 while (qemu_isspace(*p
)) {
3084 if (get_str(buf
, sizeof(buf
), &p
) < 0) {
3087 opts
= qemu_opts_parse_noisily(opts_list
, buf
, true);
3091 qemu_opts_to_qdict(opts
, qdict
);
3092 qemu_opts_del(opts
);
3097 int count
, format
, size
;
3099 while (qemu_isspace(*p
))
3105 if (qemu_isdigit(*p
)) {
3107 while (qemu_isdigit(*p
)) {
3108 count
= count
* 10 + (*p
- '0');
3146 if (*p
!= '\0' && !qemu_isspace(*p
)) {
3147 monitor_printf(mon
, "invalid char in format: '%c'\n",
3152 format
= default_fmt_format
;
3153 if (format
!= 'i') {
3154 /* for 'i', not specifying a size gives -1 as size */
3156 size
= default_fmt_size
;
3157 default_fmt_size
= size
;
3159 default_fmt_format
= format
;
3162 format
= default_fmt_format
;
3163 if (format
!= 'i') {
3164 size
= default_fmt_size
;
3169 qdict_put_int(qdict
, "count", count
);
3170 qdict_put_int(qdict
, "format", format
);
3171 qdict_put_int(qdict
, "size", size
);
3180 while (qemu_isspace(*p
))
3182 if (*typestr
== '?' || *typestr
== '.') {
3183 if (*typestr
== '?') {
3191 while (qemu_isspace(*p
))
3200 if (get_expr(mon
, &val
, &p
))
3202 /* Check if 'i' is greater than 32-bit */
3203 if ((c
== 'i') && ((val
>> 32) & 0xffffffff)) {
3204 monitor_printf(mon
, "\'%s\' has failed: ", cmd
->name
);
3205 monitor_printf(mon
, "integer is for 32-bit values\n");
3207 } else if (c
== 'M') {
3209 monitor_printf(mon
, "enter a positive value\n");
3214 qdict_put_int(qdict
, key
, val
);
3223 while (qemu_isspace(*p
)) {
3226 if (*typestr
== '?') {
3232 ret
= qemu_strtosz_MiB(p
, &end
, &val
);
3233 if (ret
< 0 || val
> INT64_MAX
) {
3234 monitor_printf(mon
, "invalid size\n");
3237 qdict_put_int(qdict
, key
, val
);
3245 while (qemu_isspace(*p
))
3247 if (*typestr
== '?') {
3253 if (get_double(mon
, &val
, &p
) < 0) {
3256 if (p
[0] && p
[1] == 's') {
3259 val
/= 1e3
; p
+= 2; break;
3261 val
/= 1e6
; p
+= 2; break;
3263 val
/= 1e9
; p
+= 2; break;
3266 if (*p
&& !qemu_isspace(*p
)) {
3267 monitor_printf(mon
, "Unknown unit suffix\n");
3270 qdict_put(qdict
, key
, qnum_from_double(val
));
3278 while (qemu_isspace(*p
)) {
3282 while (qemu_isgraph(*p
)) {
3285 if (p
- beg
== 2 && !memcmp(beg
, "on", p
- beg
)) {
3287 } else if (p
- beg
== 3 && !memcmp(beg
, "off", p
- beg
)) {
3290 monitor_printf(mon
, "Expected 'on' or 'off'\n");
3293 qdict_put_bool(qdict
, key
, val
);
3298 const char *tmp
= p
;
3305 while (qemu_isspace(*p
))
3310 if(!is_valid_option(p
, typestr
)) {
3312 monitor_printf(mon
, "%s: unsupported option -%c\n",
3324 qdict_put_bool(qdict
, key
, true);
3331 /* package all remaining string */
3334 while (qemu_isspace(*p
)) {
3337 if (*typestr
== '?') {
3340 /* no remaining string: NULL argument */
3346 monitor_printf(mon
, "%s: string expected\n",
3350 qdict_put_str(qdict
, key
, p
);
3356 monitor_printf(mon
, "%s: unknown type '%c'\n", cmd
->name
, c
);
3362 /* check that all arguments were parsed */
3363 while (qemu_isspace(*p
))
3366 monitor_printf(mon
, "%s: extraneous characters at the end of line\n",
3374 qobject_unref(qdict
);
3379 static void handle_hmp_command(Monitor
*mon
, const char *cmdline
)
3382 const mon_cmd_t
*cmd
;
3383 const char *cmd_start
= cmdline
;
3385 trace_handle_hmp_command(mon
, cmdline
);
3387 cmd
= monitor_parse_command(mon
, cmdline
, &cmdline
, mon
->cmd_table
);
3392 qdict
= monitor_parse_arguments(mon
, &cmdline
, cmd
);
3394 while (cmdline
> cmd_start
&& qemu_isspace(cmdline
[-1])) {
3397 monitor_printf(mon
, "Try \"help %.*s\" for more information\n",
3398 (int)(cmdline
- cmd_start
), cmd_start
);
3402 cmd
->cmd(mon
, qdict
);
3403 qobject_unref(qdict
);
3406 static void cmd_completion(Monitor
*mon
, const char *name
, const char *list
)
3408 const char *p
, *pstart
;
3415 p
= qemu_strchrnul(p
, '|');
3417 if (len
> sizeof(cmd
) - 2)
3418 len
= sizeof(cmd
) - 2;
3419 memcpy(cmd
, pstart
, len
);
3421 if (name
[0] == '\0' || !strncmp(name
, cmd
, strlen(name
))) {
3422 readline_add_completion(mon
->rs
, cmd
);
3430 static void file_completion(Monitor
*mon
, const char *input
)
3435 char file
[1024], file_prefix
[1024];
3439 p
= strrchr(input
, '/');
3442 pstrcpy(file_prefix
, sizeof(file_prefix
), input
);
3443 pstrcpy(path
, sizeof(path
), ".");
3445 input_path_len
= p
- input
+ 1;
3446 memcpy(path
, input
, input_path_len
);
3447 if (input_path_len
> sizeof(path
) - 1)
3448 input_path_len
= sizeof(path
) - 1;
3449 path
[input_path_len
] = '\0';
3450 pstrcpy(file_prefix
, sizeof(file_prefix
), p
+ 1);
3453 ffs
= opendir(path
);
3462 if (strcmp(d
->d_name
, ".") == 0 || strcmp(d
->d_name
, "..") == 0) {
3466 if (strstart(d
->d_name
, file_prefix
, NULL
)) {
3467 memcpy(file
, input
, input_path_len
);
3468 if (input_path_len
< sizeof(file
))
3469 pstrcpy(file
+ input_path_len
, sizeof(file
) - input_path_len
,
3471 /* stat the file to find out if it's a directory.
3472 * In that case add a slash to speed up typing long paths
3474 if (stat(file
, &sb
) == 0 && S_ISDIR(sb
.st_mode
)) {
3475 pstrcat(file
, sizeof(file
), "/");
3477 readline_add_completion(mon
->rs
, file
);
3483 static const char *next_arg_type(const char *typestr
)
3485 const char *p
= strchr(typestr
, ':');
3486 return (p
!= NULL
? ++p
: typestr
);
3489 static void add_completion_option(ReadLineState
*rs
, const char *str
,
3492 if (!str
|| !option
) {
3495 if (!strncmp(option
, str
, strlen(str
))) {
3496 readline_add_completion(rs
, option
);
3500 void chardev_add_completion(ReadLineState
*rs
, int nb_args
, const char *str
)
3503 ChardevBackendInfoList
*list
, *start
;
3509 readline_set_completion_index(rs
, len
);
3511 start
= list
= qmp_query_chardev_backends(NULL
);
3513 const char *chr_name
= list
->value
->name
;
3515 if (!strncmp(chr_name
, str
, len
)) {
3516 readline_add_completion(rs
, chr_name
);
3520 qapi_free_ChardevBackendInfoList(start
);
3523 void netdev_add_completion(ReadLineState
*rs
, int nb_args
, const char *str
)
3532 readline_set_completion_index(rs
, len
);
3533 for (i
= 0; i
< NET_CLIENT_DRIVER__MAX
; i
++) {
3534 add_completion_option(rs
, str
, NetClientDriver_str(i
));
3538 void device_add_completion(ReadLineState
*rs
, int nb_args
, const char *str
)
3548 readline_set_completion_index(rs
, len
);
3549 list
= elt
= object_class_get_list(TYPE_DEVICE
, false);
3552 DeviceClass
*dc
= OBJECT_CLASS_CHECK(DeviceClass
, elt
->data
,
3554 name
= object_class_get_name(OBJECT_CLASS(dc
));
3556 if (dc
->user_creatable
3557 && !strncmp(name
, str
, len
)) {
3558 readline_add_completion(rs
, name
);
3565 void object_add_completion(ReadLineState
*rs
, int nb_args
, const char *str
)
3575 readline_set_completion_index(rs
, len
);
3576 list
= elt
= object_class_get_list(TYPE_USER_CREATABLE
, false);
3580 name
= object_class_get_name(OBJECT_CLASS(elt
->data
));
3581 if (!strncmp(name
, str
, len
) && strcmp(name
, TYPE_USER_CREATABLE
)) {
3582 readline_add_completion(rs
, name
);
3589 static void peripheral_device_del_completion(ReadLineState
*rs
,
3590 const char *str
, size_t len
)
3592 Object
*peripheral
= container_get(qdev_get_machine(), "/peripheral");
3593 GSList
*list
, *item
;
3595 list
= qdev_build_hotpluggable_device_list(peripheral
);
3600 for (item
= list
; item
; item
= g_slist_next(item
)) {
3601 DeviceState
*dev
= item
->data
;
3603 if (dev
->id
&& !strncmp(str
, dev
->id
, len
)) {
3604 readline_add_completion(rs
, dev
->id
);
3611 void chardev_remove_completion(ReadLineState
*rs
, int nb_args
, const char *str
)
3614 ChardevInfoList
*list
, *start
;
3620 readline_set_completion_index(rs
, len
);
3622 start
= list
= qmp_query_chardev(NULL
);
3624 ChardevInfo
*chr
= list
->value
;
3626 if (!strncmp(chr
->label
, str
, len
)) {
3627 readline_add_completion(rs
, chr
->label
);
3631 qapi_free_ChardevInfoList(start
);
3634 static void ringbuf_completion(ReadLineState
*rs
, const char *str
)
3637 ChardevInfoList
*list
, *start
;
3640 readline_set_completion_index(rs
, len
);
3642 start
= list
= qmp_query_chardev(NULL
);
3644 ChardevInfo
*chr_info
= list
->value
;
3646 if (!strncmp(chr_info
->label
, str
, len
)) {
3647 Chardev
*chr
= qemu_chr_find(chr_info
->label
);
3648 if (chr
&& CHARDEV_IS_RINGBUF(chr
)) {
3649 readline_add_completion(rs
, chr_info
->label
);
3654 qapi_free_ChardevInfoList(start
);
3657 void ringbuf_write_completion(ReadLineState
*rs
, int nb_args
, const char *str
)
3662 ringbuf_completion(rs
, str
);
3665 void device_del_completion(ReadLineState
*rs
, int nb_args
, const char *str
)
3674 readline_set_completion_index(rs
, len
);
3675 peripheral_device_del_completion(rs
, str
, len
);
3678 void object_del_completion(ReadLineState
*rs
, int nb_args
, const char *str
)
3680 ObjectPropertyInfoList
*list
, *start
;
3687 readline_set_completion_index(rs
, len
);
3689 start
= list
= qmp_qom_list("/objects", NULL
);
3691 ObjectPropertyInfo
*info
= list
->value
;
3693 if (!strncmp(info
->type
, "child<", 5)
3694 && !strncmp(info
->name
, str
, len
)) {
3695 readline_add_completion(rs
, info
->name
);
3699 qapi_free_ObjectPropertyInfoList(start
);
3702 void sendkey_completion(ReadLineState
*rs
, int nb_args
, const char *str
)
3711 sep
= strrchr(str
, '-');
3716 readline_set_completion_index(rs
, len
);
3717 for (i
= 0; i
< Q_KEY_CODE__MAX
; i
++) {
3718 if (!strncmp(str
, QKeyCode_str(i
), len
)) {
3719 readline_add_completion(rs
, QKeyCode_str(i
));
3724 void set_link_completion(ReadLineState
*rs
, int nb_args
, const char *str
)
3729 readline_set_completion_index(rs
, len
);
3731 NetClientState
*ncs
[MAX_QUEUE_NUM
];
3733 count
= qemu_find_net_clients_except(NULL
, ncs
,
3734 NET_CLIENT_DRIVER_NONE
,
3736 for (i
= 0; i
< MIN(count
, MAX_QUEUE_NUM
); i
++) {
3737 const char *name
= ncs
[i
]->name
;
3738 if (!strncmp(str
, name
, len
)) {
3739 readline_add_completion(rs
, name
);
3742 } else if (nb_args
== 3) {
3743 add_completion_option(rs
, str
, "on");
3744 add_completion_option(rs
, str
, "off");
3748 void netdev_del_completion(ReadLineState
*rs
, int nb_args
, const char *str
)
3751 NetClientState
*ncs
[MAX_QUEUE_NUM
];
3758 readline_set_completion_index(rs
, len
);
3759 count
= qemu_find_net_clients_except(NULL
, ncs
, NET_CLIENT_DRIVER_NIC
,
3761 for (i
= 0; i
< MIN(count
, MAX_QUEUE_NUM
); i
++) {
3763 const char *name
= ncs
[i
]->name
;
3764 if (strncmp(str
, name
, len
)) {
3767 opts
= qemu_opts_find(qemu_find_opts_err("netdev", NULL
), name
);
3769 readline_add_completion(rs
, name
);
3774 void info_trace_events_completion(ReadLineState
*rs
, int nb_args
, const char *str
)
3779 readline_set_completion_index(rs
, len
);
3781 TraceEventIter iter
;
3783 char *pattern
= g_strdup_printf("%s*", str
);
3784 trace_event_iter_init(&iter
, pattern
);
3785 while ((ev
= trace_event_iter_next(&iter
)) != NULL
) {
3786 readline_add_completion(rs
, trace_event_get_name(ev
));
3792 void trace_event_completion(ReadLineState
*rs
, int nb_args
, const char *str
)
3797 readline_set_completion_index(rs
, len
);
3799 TraceEventIter iter
;
3801 char *pattern
= g_strdup_printf("%s*", str
);
3802 trace_event_iter_init(&iter
, pattern
);
3803 while ((ev
= trace_event_iter_next(&iter
)) != NULL
) {
3804 readline_add_completion(rs
, trace_event_get_name(ev
));
3807 } else if (nb_args
== 3) {
3808 add_completion_option(rs
, str
, "on");
3809 add_completion_option(rs
, str
, "off");
3813 void watchdog_action_completion(ReadLineState
*rs
, int nb_args
, const char *str
)
3820 readline_set_completion_index(rs
, strlen(str
));
3821 for (i
= 0; i
< WATCHDOG_ACTION__MAX
; i
++) {
3822 add_completion_option(rs
, str
, WatchdogAction_str(i
));
3826 void migrate_set_capability_completion(ReadLineState
*rs
, int nb_args
,
3832 readline_set_completion_index(rs
, len
);
3835 for (i
= 0; i
< MIGRATION_CAPABILITY__MAX
; i
++) {
3836 const char *name
= MigrationCapability_str(i
);
3837 if (!strncmp(str
, name
, len
)) {
3838 readline_add_completion(rs
, name
);
3841 } else if (nb_args
== 3) {
3842 add_completion_option(rs
, str
, "on");
3843 add_completion_option(rs
, str
, "off");
3847 void migrate_set_parameter_completion(ReadLineState
*rs
, int nb_args
,
3853 readline_set_completion_index(rs
, len
);
3856 for (i
= 0; i
< MIGRATION_PARAMETER__MAX
; i
++) {
3857 const char *name
= MigrationParameter_str(i
);
3858 if (!strncmp(str
, name
, len
)) {
3859 readline_add_completion(rs
, name
);
3865 static void vm_completion(ReadLineState
*rs
, const char *str
)
3868 BlockDriverState
*bs
;
3869 BdrvNextIterator it
;
3872 readline_set_completion_index(rs
, len
);
3874 for (bs
= bdrv_first(&it
); bs
; bs
= bdrv_next(&it
)) {
3875 SnapshotInfoList
*snapshots
, *snapshot
;
3876 AioContext
*ctx
= bdrv_get_aio_context(bs
);
3879 aio_context_acquire(ctx
);
3880 if (bdrv_can_snapshot(bs
)) {
3881 ok
= bdrv_query_snapshot_info_list(bs
, &snapshots
, NULL
) == 0;
3883 aio_context_release(ctx
);
3888 snapshot
= snapshots
;
3890 char *completion
= snapshot
->value
->name
;
3891 if (!strncmp(str
, completion
, len
)) {
3892 readline_add_completion(rs
, completion
);
3894 completion
= snapshot
->value
->id
;
3895 if (!strncmp(str
, completion
, len
)) {
3896 readline_add_completion(rs
, completion
);
3898 snapshot
= snapshot
->next
;
3900 qapi_free_SnapshotInfoList(snapshots
);
3905 void delvm_completion(ReadLineState
*rs
, int nb_args
, const char *str
)
3908 vm_completion(rs
, str
);
3912 void loadvm_completion(ReadLineState
*rs
, int nb_args
, const char *str
)
3915 vm_completion(rs
, str
);
3919 static void monitor_find_completion_by_table(Monitor
*mon
,
3920 const mon_cmd_t
*cmd_table
,
3924 const char *cmdname
;
3926 const char *ptype
, *old_ptype
, *str
, *name
;
3927 const mon_cmd_t
*cmd
;
3928 BlockBackend
*blk
= NULL
;
3931 /* command completion */
3936 readline_set_completion_index(mon
->rs
, strlen(cmdname
));
3937 for (cmd
= cmd_table
; cmd
->name
!= NULL
; cmd
++) {
3938 if (!runstate_check(RUN_STATE_PRECONFIG
) ||
3939 cmd_can_preconfig(cmd
)) {
3940 cmd_completion(mon
, cmdname
, cmd
->name
);
3944 /* find the command */
3945 for (cmd
= cmd_table
; cmd
->name
!= NULL
; cmd
++) {
3946 if (compare_cmd(args
[0], cmd
->name
) &&
3947 (!runstate_check(RUN_STATE_PRECONFIG
) ||
3948 cmd_can_preconfig(cmd
))) {
3956 if (cmd
->sub_table
) {
3957 /* do the job again */
3958 monitor_find_completion_by_table(mon
, cmd
->sub_table
,
3959 &args
[1], nb_args
- 1);
3962 if (cmd
->command_completion
) {
3963 cmd
->command_completion(mon
->rs
, nb_args
, args
[nb_args
- 1]);
3967 ptype
= next_arg_type(cmd
->args_type
);
3968 for(i
= 0; i
< nb_args
- 2; i
++) {
3969 if (*ptype
!= '\0') {
3970 ptype
= next_arg_type(ptype
);
3971 while (*ptype
== '?')
3972 ptype
= next_arg_type(ptype
);
3975 str
= args
[nb_args
- 1];
3977 while (*ptype
== '-' && old_ptype
!= ptype
) {
3979 ptype
= next_arg_type(ptype
);
3983 /* file completion */
3984 readline_set_completion_index(mon
->rs
, strlen(str
));
3985 file_completion(mon
, str
);
3988 /* block device name completion */
3989 readline_set_completion_index(mon
->rs
, strlen(str
));
3990 while ((blk
= blk_next(blk
)) != NULL
) {
3991 name
= blk_name(blk
);
3992 if (str
[0] == '\0' ||
3993 !strncmp(name
, str
, strlen(str
))) {
3994 readline_add_completion(mon
->rs
, name
);
4000 if (!strcmp(cmd
->name
, "help|?")) {
4001 monitor_find_completion_by_table(mon
, cmd_table
,
4002 &args
[1], nb_args
- 1);
4011 static void monitor_find_completion(void *opaque
,
4012 const char *cmdline
)
4014 Monitor
*mon
= opaque
;
4015 char *args
[MAX_ARGS
];
4018 /* 1. parse the cmdline */
4019 if (parse_cmdline(cmdline
, &nb_args
, args
) < 0) {
4023 /* if the line ends with a space, it means we want to complete the
4025 len
= strlen(cmdline
);
4026 if (len
> 0 && qemu_isspace(cmdline
[len
- 1])) {
4027 if (nb_args
>= MAX_ARGS
) {
4030 args
[nb_args
++] = g_strdup("");
4033 /* 2. auto complete according to args */
4034 monitor_find_completion_by_table(mon
, mon
->cmd_table
, args
, nb_args
);
4037 free_cmdline_args(args
, nb_args
);
4040 static int monitor_can_read(void *opaque
)
4042 Monitor
*mon
= opaque
;
4044 return !atomic_mb_read(&mon
->suspend_cnt
);
4048 * Emit QMP response @rsp with ID @id to @mon.
4049 * Null @rsp can only happen for commands with QCO_NO_SUCCESS_RESP.
4050 * Nothing is emitted then.
4052 static void monitor_qmp_respond(Monitor
*mon
, QDict
*rsp
, QObject
*id
)
4056 qdict_put_obj(rsp
, "id", qobject_ref(id
));
4059 qmp_send_response(mon
, rsp
);
4063 static void monitor_qmp_dispatch(Monitor
*mon
, QObject
*req
, QObject
*id
)
4072 rsp
= qmp_dispatch(mon
->qmp
.commands
, req
, qmp_oob_enabled(mon
));
4076 if (mon
->qmp
.commands
== &qmp_cap_negotiation_commands
) {
4077 error
= qdict_get_qdict(rsp
, "error");
4079 && !g_strcmp0(qdict_get_try_str(error
, "class"),
4080 QapiErrorClass_str(ERROR_CLASS_COMMAND_NOT_FOUND
))) {
4081 /* Provide a more useful error message */
4082 qdict_del(error
, "desc");
4083 qdict_put_str(error
, "desc", "Expecting capabilities negotiation"
4084 " with 'qmp_capabilities'");
4088 monitor_qmp_respond(mon
, rsp
, id
);
4093 * Pop a QMP request from a monitor request queue.
4094 * Return the request, or NULL all request queues are empty.
4095 * We are using round-robin fashion to pop the request, to avoid
4096 * processing commands only on a very busy monitor. To achieve that,
4097 * when we process one request on a specific monitor, we put that
4098 * monitor to the end of mon_list queue.
4100 static QMPRequest
*monitor_qmp_requests_pop_any(void)
4102 QMPRequest
*req_obj
= NULL
;
4105 qemu_mutex_lock(&monitor_lock
);
4107 QTAILQ_FOREACH(mon
, &mon_list
, entry
) {
4108 qemu_mutex_lock(&mon
->qmp
.qmp_queue_lock
);
4109 req_obj
= g_queue_pop_head(mon
->qmp
.qmp_requests
);
4110 qemu_mutex_unlock(&mon
->qmp
.qmp_queue_lock
);
4118 * We found one request on the monitor. Degrade this monitor's
4119 * priority to lowest by re-inserting it to end of queue.
4121 QTAILQ_REMOVE(&mon_list
, mon
, entry
);
4122 QTAILQ_INSERT_TAIL(&mon_list
, mon
, entry
);
4125 qemu_mutex_unlock(&monitor_lock
);
4130 static void monitor_qmp_bh_dispatcher(void *data
)
4132 QMPRequest
*req_obj
= monitor_qmp_requests_pop_any();
4140 trace_monitor_qmp_cmd_in_band(qobject_get_try_str(req_obj
->id
) ?: "");
4141 monitor_qmp_dispatch(req_obj
->mon
, req_obj
->req
, req_obj
->id
);
4143 assert(req_obj
->err
);
4144 rsp
= qmp_error_response(req_obj
->err
);
4145 req_obj
->err
= NULL
;
4146 monitor_qmp_respond(req_obj
->mon
, rsp
, NULL
);
4150 if (req_obj
->need_resume
) {
4151 /* Pairs with the monitor_suspend() in handle_qmp_command() */
4152 monitor_resume(req_obj
->mon
);
4154 qmp_request_free(req_obj
);
4156 /* Reschedule instead of looping so the main loop stays responsive */
4157 qemu_bh_schedule(qmp_dispatcher_bh
);
4160 #define QMP_REQ_QUEUE_LEN_MAX (8)
4162 static void handle_qmp_command(void *opaque
, QObject
*req
, Error
*err
)
4164 Monitor
*mon
= opaque
;
4167 QMPRequest
*req_obj
;
4169 assert(!req
!= !err
);
4171 qdict
= qobject_to(QDict
, req
);
4173 id
= qobject_ref(qdict_get(qdict
, "id"));
4174 qdict_del(qdict
, "id");
4175 } /* else will fail qmp_dispatch() */
4177 if (req
&& trace_event_get_state_backends(TRACE_HANDLE_QMP_COMMAND
)) {
4178 QString
*req_json
= qobject_to_json(req
);
4179 trace_handle_qmp_command(mon
, qstring_get_str(req_json
));
4180 qobject_unref(req_json
);
4183 if (qdict
&& qmp_is_oob(qdict
)) {
4184 /* OOB commands are executed immediately */
4185 trace_monitor_qmp_cmd_out_of_band(qobject_get_try_str(id
)
4187 monitor_qmp_dispatch(mon
, req
, id
);
4193 req_obj
= g_new0(QMPRequest
, 1);
4198 req_obj
->need_resume
= false;
4200 /* Protect qmp_requests and fetching its length. */
4201 qemu_mutex_lock(&mon
->qmp
.qmp_queue_lock
);
4204 * If OOB is not enabled on the current monitor, we'll emulate the
4205 * old behavior that we won't process the current monitor any more
4206 * until it has responded. This helps make sure that as long as
4207 * OOB is not enabled, the server will never drop any command.
4209 if (!qmp_oob_enabled(mon
)) {
4210 monitor_suspend(mon
);
4211 req_obj
->need_resume
= true;
4213 /* Drop the request if queue is full. */
4214 if (mon
->qmp
.qmp_requests
->length
>= QMP_REQ_QUEUE_LEN_MAX
) {
4215 qemu_mutex_unlock(&mon
->qmp
.qmp_queue_lock
);
4217 * FIXME @id's scope is just @mon, and broadcasting it is
4218 * wrong. If another monitor's client has a command with
4219 * the same ID in flight, the event will incorrectly claim
4220 * that command was dropped.
4222 qapi_event_send_command_dropped(id
,
4223 COMMAND_DROP_REASON_QUEUE_FULL
,
4225 qmp_request_free(req_obj
);
4231 * Put the request to the end of queue so that requests will be
4232 * handled in time order. Ownership for req_obj, req, id,
4233 * etc. will be delivered to the handler side.
4235 g_queue_push_tail(mon
->qmp
.qmp_requests
, req_obj
);
4236 qemu_mutex_unlock(&mon
->qmp
.qmp_queue_lock
);
4238 /* Kick the dispatcher routine */
4239 qemu_bh_schedule(qmp_dispatcher_bh
);
4242 static void monitor_qmp_read(void *opaque
, const uint8_t *buf
, int size
)
4244 Monitor
*mon
= opaque
;
4246 json_message_parser_feed(&mon
->qmp
.parser
, (const char *) buf
, size
);
4249 static void monitor_read(void *opaque
, const uint8_t *buf
, int size
)
4251 Monitor
*old_mon
= cur_mon
;
4257 for (i
= 0; i
< size
; i
++)
4258 readline_handle_byte(cur_mon
->rs
, buf
[i
]);
4260 if (size
== 0 || buf
[size
- 1] != 0)
4261 monitor_printf(cur_mon
, "corrupted command\n");
4263 handle_hmp_command(cur_mon
, (char *)buf
);
4269 static void monitor_command_cb(void *opaque
, const char *cmdline
,
4270 void *readline_opaque
)
4272 Monitor
*mon
= opaque
;
4274 monitor_suspend(mon
);
4275 handle_hmp_command(mon
, cmdline
);
4276 monitor_resume(mon
);
4279 int monitor_suspend(Monitor
*mon
)
4281 if (monitor_is_hmp_non_interactive(mon
)) {
4285 atomic_inc(&mon
->suspend_cnt
);
4287 if (monitor_is_qmp(mon
)) {
4289 * Kick I/O thread to make sure this takes effect. It'll be
4290 * evaluated again in prepare() of the watch object.
4292 aio_notify(iothread_get_aio_context(mon_iothread
));
4295 trace_monitor_suspend(mon
, 1);
4299 void monitor_resume(Monitor
*mon
)
4301 if (monitor_is_hmp_non_interactive(mon
)) {
4305 if (atomic_dec_fetch(&mon
->suspend_cnt
) == 0) {
4306 if (monitor_is_qmp(mon
)) {
4308 * For QMP monitors that are running in the I/O thread,
4309 * let's kick the thread in case it's sleeping.
4311 if (mon
->use_io_thread
) {
4312 aio_notify(iothread_get_aio_context(mon_iothread
));
4316 readline_show_prompt(mon
->rs
);
4318 qemu_chr_fe_accept_input(&mon
->chr
);
4320 trace_monitor_suspend(mon
, -1);
4323 static QDict
*qmp_greeting(Monitor
*mon
)
4325 QList
*cap_list
= qlist_new();
4326 QObject
*ver
= NULL
;
4329 qmp_marshal_query_version(NULL
, &ver
, NULL
);
4331 for (cap
= 0; cap
< QMP_CAPABILITY__MAX
; cap
++) {
4332 if (mon
->qmp
.capab_offered
[cap
]) {
4333 qlist_append_str(cap_list
, QMPCapability_str(cap
));
4337 return qdict_from_jsonf_nofail(
4338 "{'QMP': {'version': %p, 'capabilities': %p}}",
4342 static void monitor_qmp_event(void *opaque
, int event
)
4345 Monitor
*mon
= opaque
;
4348 case CHR_EVENT_OPENED
:
4349 mon
->qmp
.commands
= &qmp_cap_negotiation_commands
;
4350 monitor_qmp_caps_reset(mon
);
4351 data
= qmp_greeting(mon
);
4352 qmp_send_response(mon
, data
);
4353 qobject_unref(data
);
4356 case CHR_EVENT_CLOSED
:
4358 * Note: this is only useful when the output of the chardev
4359 * backend is still open. For example, when the backend is
4360 * stdio, it's possible that stdout is still open when stdin
4363 monitor_qmp_cleanup_queues(mon
);
4364 json_message_parser_destroy(&mon
->qmp
.parser
);
4365 json_message_parser_init(&mon
->qmp
.parser
, handle_qmp_command
,
4368 monitor_fdsets_cleanup();
4373 static void monitor_event(void *opaque
, int event
)
4375 Monitor
*mon
= opaque
;
4378 case CHR_EVENT_MUX_IN
:
4379 qemu_mutex_lock(&mon
->mon_lock
);
4381 qemu_mutex_unlock(&mon
->mon_lock
);
4382 if (mon
->reset_seen
) {
4383 readline_restart(mon
->rs
);
4384 monitor_resume(mon
);
4387 atomic_mb_set(&mon
->suspend_cnt
, 0);
4391 case CHR_EVENT_MUX_OUT
:
4392 if (mon
->reset_seen
) {
4393 if (atomic_mb_read(&mon
->suspend_cnt
) == 0) {
4394 monitor_printf(mon
, "\n");
4397 monitor_suspend(mon
);
4399 atomic_inc(&mon
->suspend_cnt
);
4401 qemu_mutex_lock(&mon
->mon_lock
);
4403 qemu_mutex_unlock(&mon
->mon_lock
);
4406 case CHR_EVENT_OPENED
:
4407 monitor_printf(mon
, "QEMU %s monitor - type 'help' for more "
4408 "information\n", QEMU_VERSION
);
4409 if (!mon
->mux_out
) {
4410 readline_restart(mon
->rs
);
4411 readline_show_prompt(mon
->rs
);
4413 mon
->reset_seen
= 1;
4417 case CHR_EVENT_CLOSED
:
4419 monitor_fdsets_cleanup();
4425 compare_mon_cmd(const void *a
, const void *b
)
4427 return strcmp(((const mon_cmd_t
*)a
)->name
,
4428 ((const mon_cmd_t
*)b
)->name
);
4431 static void sortcmdlist(void)
4434 int elem_size
= sizeof(mon_cmd_t
);
4436 array_num
= sizeof(mon_cmds
)/elem_size
-1;
4437 qsort((void *)mon_cmds
, array_num
, elem_size
, compare_mon_cmd
);
4439 array_num
= sizeof(info_cmds
)/elem_size
-1;
4440 qsort((void *)info_cmds
, array_num
, elem_size
, compare_mon_cmd
);
4443 static GMainContext
*monitor_get_io_context(void)
4445 return iothread_get_g_main_context(mon_iothread
);
4448 static AioContext
*monitor_get_aio_context(void)
4450 return iothread_get_aio_context(mon_iothread
);
4453 static void monitor_iothread_init(void)
4455 mon_iothread
= iothread_create("mon_iothread", &error_abort
);
4458 * The dispatcher BH must run in the main loop thread, since we
4459 * have commands assuming that context. It would be nice to get
4460 * rid of those assumptions.
4462 qmp_dispatcher_bh
= aio_bh_new(iohandler_get_aio_context(),
4463 monitor_qmp_bh_dispatcher
,
4467 void monitor_init_globals(void)
4469 monitor_init_qmp_commands();
4470 monitor_qapi_event_init();
4472 qemu_mutex_init(&monitor_lock
);
4473 qemu_mutex_init(&mon_fdsets_lock
);
4474 monitor_iothread_init();
4477 /* These functions just adapt the readline interface in a typesafe way. We
4478 * could cast function pointers but that discards compiler checks.
4480 static void GCC_FMT_ATTR(2, 3) monitor_readline_printf(void *opaque
,
4481 const char *fmt
, ...)
4485 monitor_vprintf(opaque
, fmt
, ap
);
4489 static void monitor_readline_flush(void *opaque
)
4491 monitor_flush(opaque
);
4495 * Print to current monitor if we have one, else to stderr.
4496 * TODO should return int, so callers can calculate width, but that
4497 * requires surgery to monitor_vprintf(). Left for another day.
4499 void error_vprintf(const char *fmt
, va_list ap
)
4501 if (cur_mon
&& !monitor_cur_is_qmp()) {
4502 monitor_vprintf(cur_mon
, fmt
, ap
);
4504 vfprintf(stderr
, fmt
, ap
);
4508 void error_vprintf_unless_qmp(const char *fmt
, va_list ap
)
4510 if (cur_mon
&& !monitor_cur_is_qmp()) {
4511 monitor_vprintf(cur_mon
, fmt
, ap
);
4512 } else if (!cur_mon
) {
4513 vfprintf(stderr
, fmt
, ap
);
4517 static void monitor_list_append(Monitor
*mon
)
4519 qemu_mutex_lock(&monitor_lock
);
4520 QTAILQ_INSERT_HEAD(&mon_list
, mon
, entry
);
4521 qemu_mutex_unlock(&monitor_lock
);
4524 static void monitor_qmp_setup_handlers_bh(void *opaque
)
4526 Monitor
*mon
= opaque
;
4527 GMainContext
*context
;
4529 assert(mon
->use_io_thread
);
4530 context
= monitor_get_io_context();
4532 qemu_chr_fe_set_handlers(&mon
->chr
, monitor_can_read
, monitor_qmp_read
,
4533 monitor_qmp_event
, NULL
, mon
, context
, true);
4534 monitor_list_append(mon
);
4537 void monitor_init(Chardev
*chr
, int flags
)
4539 Monitor
*mon
= g_malloc(sizeof(*mon
));
4540 bool use_readline
= flags
& MONITOR_USE_READLINE
;
4541 bool use_oob
= flags
& MONITOR_USE_OOB
;
4544 if (CHARDEV_IS_MUX(chr
)) {
4545 error_report("Monitor out-of-band is not supported with "
4546 "MUX typed chardev backend");
4550 error_report("Monitor out-of-band is only supported by QMP");
4555 monitor_data_init(mon
, false, use_oob
);
4557 qemu_chr_fe_init(&mon
->chr
, chr
, &error_abort
);
4560 mon
->rs
= readline_init(monitor_readline_printf
,
4561 monitor_readline_flush
,
4563 monitor_find_completion
);
4564 monitor_read_command(mon
, 0);
4567 if (monitor_is_qmp(mon
)) {
4568 qemu_chr_fe_set_echo(&mon
->chr
, true);
4569 json_message_parser_init(&mon
->qmp
.parser
, handle_qmp_command
,
4571 if (mon
->use_io_thread
) {
4573 * Make sure the old iowatch is gone. It's possible when
4574 * e.g. the chardev is in client mode, with wait=on.
4576 remove_fd_in_watch(chr
);
4578 * We can't call qemu_chr_fe_set_handlers() directly here
4579 * since chardev might be running in the monitor I/O
4580 * thread. Schedule a bottom half.
4582 aio_bh_schedule_oneshot(monitor_get_aio_context(),
4583 monitor_qmp_setup_handlers_bh
, mon
);
4584 /* The bottom half will add @mon to @mon_list */
4587 qemu_chr_fe_set_handlers(&mon
->chr
, monitor_can_read
,
4588 monitor_qmp_read
, monitor_qmp_event
,
4589 NULL
, mon
, NULL
, true);
4592 qemu_chr_fe_set_handlers(&mon
->chr
, monitor_can_read
, monitor_read
,
4593 monitor_event
, NULL
, mon
, NULL
, true);
4596 monitor_list_append(mon
);
4599 void monitor_cleanup(void)
4601 Monitor
*mon
, *next
;
4604 * We need to explicitly stop the I/O thread (but not destroy it),
4605 * clean up the monitor resources, then destroy the I/O thread since
4606 * we need to unregister from chardev below in
4607 * monitor_data_destroy(), and chardev is not thread-safe yet
4609 iothread_stop(mon_iothread
);
4611 /* Flush output buffers and destroy monitors */
4612 qemu_mutex_lock(&monitor_lock
);
4613 QTAILQ_FOREACH_SAFE(mon
, &mon_list
, entry
, next
) {
4614 QTAILQ_REMOVE(&mon_list
, mon
, entry
);
4616 monitor_data_destroy(mon
);
4619 qemu_mutex_unlock(&monitor_lock
);
4621 /* QEMUBHs needs to be deleted before destroying the I/O thread */
4622 qemu_bh_delete(qmp_dispatcher_bh
);
4623 qmp_dispatcher_bh
= NULL
;
4625 iothread_destroy(mon_iothread
);
4626 mon_iothread
= NULL
;
4629 QemuOptsList qemu_mon_opts
= {
4631 .implied_opt_name
= "chardev",
4632 .head
= QTAILQ_HEAD_INITIALIZER(qemu_mon_opts
.head
),
4636 .type
= QEMU_OPT_STRING
,
4639 .type
= QEMU_OPT_STRING
,
4642 .type
= QEMU_OPT_BOOL
,
4645 .type
= QEMU_OPT_BOOL
,
4647 { /* end of list */ }
4652 void qmp_rtc_reset_reinjection(Error
**errp
)
4654 error_setg(errp
, QERR_FEATURE_DISABLED
, "rtc-reset-reinjection");
4657 SevInfo
*qmp_query_sev(Error
**errp
)
4659 error_setg(errp
, QERR_FEATURE_DISABLED
, "query-sev");
4663 SevLaunchMeasureInfo
*qmp_query_sev_launch_measure(Error
**errp
)
4665 error_setg(errp
, QERR_FEATURE_DISABLED
, "query-sev-launch-measure");
4669 SevCapability
*qmp_query_sev_capabilities(Error
**errp
)
4671 error_setg(errp
, QERR_FEATURE_DISABLED
, "query-sev-capabilities");
4676 #ifndef TARGET_S390X
4677 void qmp_dump_skeys(const char *filename
, Error
**errp
)
4679 error_setg(errp
, QERR_FEATURE_DISABLED
, "dump-skeys");
4684 GICCapabilityList
*qmp_query_gic_capabilities(Error
**errp
)
4686 error_setg(errp
, QERR_FEATURE_DISABLED
, "query-gic-capabilities");
4691 HotpluggableCPUList
*qmp_query_hotpluggable_cpus(Error
**errp
)
4693 MachineState
*ms
= MACHINE(qdev_get_machine());
4694 MachineClass
*mc
= MACHINE_GET_CLASS(ms
);
4696 if (!mc
->has_hotpluggable_cpus
) {
4697 error_setg(errp
, QERR_FEATURE_DISABLED
, "query-hotpluggable-cpus");
4701 return machine_query_hotpluggable_cpus(ms
);