4 * Copyright (c) 2003-2004 Fabrice Bellard
6 * Permission is hereby granted, free of charge, to any person obtaining a copy
7 * of this software and associated documentation files (the "Software"), to deal
8 * in the Software without restriction, including without limitation the rights
9 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
10 * copies of the Software, and to permit persons to whom the Software is
11 * furnished to do so, subject to the following conditions:
13 * The above copyright notice and this permission notice shall be included in
14 * all copies or substantial portions of the Software.
16 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
17 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
18 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
19 * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
20 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
21 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
25 #include "qemu/osdep.h"
26 #include "qemu/units.h"
30 #include "monitor/qdev.h"
32 #include "hw/pci/pci.h"
33 #include "sysemu/watchdog.h"
34 #include "hw/loader.h"
35 #include "exec/gdbstub.h"
37 #include "net/slirp.h"
38 #include "chardev/char-fe.h"
39 #include "chardev/char-io.h"
40 #include "chardev/char-mux.h"
41 #include "ui/qemu-spice.h"
42 #include "sysemu/numa.h"
43 #include "monitor/monitor.h"
44 #include "qemu/config-file.h"
45 #include "qemu/readline.h"
46 #include "ui/console.h"
48 #include "sysemu/block-backend.h"
49 #include "audio/audio.h"
50 #include "disas/disas.h"
51 #include "sysemu/balloon.h"
52 #include "qemu/timer.h"
53 #include "sysemu/hw_accel.h"
55 #include "sysemu/tpm.h"
56 #include "qapi/qmp/qdict.h"
57 #include "qapi/qmp/qerror.h"
58 #include "qapi/qmp/qnum.h"
59 #include "qapi/qmp/qstring.h"
60 #include "qapi/qmp/qjson.h"
61 #include "qapi/qmp/json-parser.h"
62 #include "qapi/qmp/qlist.h"
63 #include "qom/object_interfaces.h"
64 #include "trace-root.h"
65 #include "trace/control.h"
66 #include "monitor/hmp-target.h"
67 #ifdef CONFIG_TRACE_SIMPLE
68 #include "trace/simple.h"
70 #include "exec/memory.h"
71 #include "exec/exec-all.h"
73 #include "qemu/option.h"
75 #include "qemu/thread.h"
76 #include "block/qapi.h"
77 #include "qapi/qapi-commands.h"
78 #include "qapi/qapi-events.h"
79 #include "qapi/error.h"
80 #include "qapi/qmp-event.h"
81 #include "qapi/qapi-introspect.h"
82 #include "sysemu/qtest.h"
83 #include "sysemu/cpus.h"
84 #include "sysemu/iothread.h"
85 #include "qemu/cutils.h"
88 #if defined(TARGET_S390X)
89 #include "hw/s390x/storage-keys.h"
90 #include "hw/s390x/storage-attributes.h"
97 * 'B' block device name
98 * 's' string (accept optional quote)
99 * 'S' it just appends the rest of the string (accept optional quote)
100 * 'O' option string of the form NAME=VALUE,...
101 * parsed according to QemuOptsList given by its name
102 * Example: 'device:O' uses qemu_device_opts.
103 * Restriction: only lists with empty desc are supported
104 * TODO lift the restriction
106 * 'l' target long (32 or 64 bit)
107 * 'M' Non-negative target long (32 or 64 bit), in user mode the
108 * value is multiplied by 2^20 (think Mebibyte)
109 * 'o' octets (aka bytes)
110 * user mode accepts an optional E, e, P, p, T, t, G, g, M, m,
111 * K, k suffix, which multiplies the value by 2^60 for suffixes E
112 * and e, 2^50 for suffixes P and p, 2^40 for suffixes T and t,
113 * 2^30 for suffixes G and g, 2^20 for M and m, 2^10 for K and k
115 * user mode accepts an optional ms, us, ns suffix,
116 * which divides the value by 1e3, 1e6, 1e9, respectively
117 * '/' optional gdb-like print format (like "/10x")
119 * '?' optional type (for all types, except '/')
120 * '.' other form of optional type (for 'i' and 'l')
122 * user mode accepts "on" or "off"
123 * '-' optional parameter (eg. '-f')
127 typedef struct mon_cmd_t
{
129 const char *args_type
;
132 const char *flags
; /* p=preconfig */
133 void (*cmd
)(Monitor
*mon
, const QDict
*qdict
);
134 /* @sub_table is a list of 2nd level of commands. If it does not exist,
135 * cmd should be used. If it exists, sub_table[?].cmd should be
136 * used, and cmd of 1st level plays the role of help function.
138 struct mon_cmd_t
*sub_table
;
139 void (*command_completion
)(ReadLineState
*rs
, int nb_args
, const char *str
);
142 /* file descriptors passed via SCM_RIGHTS */
143 typedef struct mon_fd_t mon_fd_t
;
147 QLIST_ENTRY(mon_fd_t
) next
;
150 /* file descriptor associated with a file descriptor set */
151 typedef struct MonFdsetFd MonFdsetFd
;
156 QLIST_ENTRY(MonFdsetFd
) next
;
159 /* file descriptor set containing fds passed via SCM_RIGHTS */
160 typedef struct MonFdset MonFdset
;
163 QLIST_HEAD(, MonFdsetFd
) fds
;
164 QLIST_HEAD(, MonFdsetFd
) dup_fds
;
165 QLIST_ENTRY(MonFdset
) next
;
169 JSONMessageParser parser
;
171 * When a client connects, we're in capabilities negotiation mode.
172 * @commands is &qmp_cap_negotiation_commands then. When command
173 * qmp_capabilities succeeds, we go into command mode, and
174 * @command becomes &qmp_commands.
176 QmpCommandList
*commands
;
177 bool capab_offered
[QMP_CAPABILITY__MAX
]; /* capabilities offered */
178 bool capab
[QMP_CAPABILITY__MAX
]; /* offered and accepted */
180 * Protects qmp request/response queue.
181 * Take monitor_lock first when you need both.
183 QemuMutex qmp_queue_lock
;
184 /* Input queue that holds all the parsed QMP requests */
185 GQueue
*qmp_requests
;
189 * To prevent flooding clients, events can be throttled. The
190 * throttling is calculated globally, rather than per-Monitor
193 typedef struct MonitorQAPIEventState
{
194 QAPIEvent event
; /* Throttling state for this event type and... */
195 QDict
*data
; /* ... data, see qapi_event_throttle_equal() */
196 QEMUTimer
*timer
; /* Timer for handling delayed events */
197 QDict
*qdict
; /* Delayed event (if any) */
198 } MonitorQAPIEventState
;
201 int64_t rate
; /* Minimum time (in ns) between two events */
202 } MonitorQAPIEventConf
;
208 int suspend_cnt
; /* Needs to be accessed atomically */
213 * State used only in the thread "owning" the monitor.
214 * If @use_io_thread, this is @mon_iothread.
215 * Else, it's the main thread.
216 * These members can be safely accessed without locks.
222 BlockCompletionFunc
*password_completion_cb
;
223 void *password_opaque
;
224 mon_cmd_t
*cmd_table
;
225 QTAILQ_ENTRY(Monitor
) entry
;
228 * The per-monitor lock. We can't access guest memory when holding
234 * Members that are protected by the per-monitor lock
236 QLIST_HEAD(, mon_fd_t
) fds
;
239 /* Read under either BQL or mon_lock, written with BQL+mon_lock. */
243 /* Shared monitor I/O thread */
244 IOThread
*mon_iothread
;
246 /* Bottom half to dispatch the requests received from I/O thread */
247 QEMUBH
*qmp_dispatcher_bh
;
250 /* Owner of the request */
252 /* "id" field of the request */
255 * Request object to be handled or Error to be reported
256 * (exactly one of them is non-null)
261 typedef struct QMPRequest QMPRequest
;
263 /* QMP checker flags */
264 #define QMP_ACCEPT_UNKNOWNS 1
266 /* Protects mon_list, monitor_qapi_event_state, monitor_destroyed. */
267 static QemuMutex monitor_lock
;
268 static GHashTable
*monitor_qapi_event_state
;
269 static QTAILQ_HEAD(mon_list
, Monitor
) mon_list
;
270 static bool monitor_destroyed
;
272 /* Protects mon_fdsets */
273 static QemuMutex mon_fdsets_lock
;
274 static QLIST_HEAD(mon_fdsets
, MonFdset
) mon_fdsets
;
276 static int mon_refcount
;
278 static mon_cmd_t mon_cmds
[];
279 static mon_cmd_t info_cmds
[];
281 QmpCommandList qmp_commands
, qmp_cap_negotiation_commands
;
283 __thread Monitor
*cur_mon
;
285 static void monitor_command_cb(void *opaque
, const char *cmdline
,
286 void *readline_opaque
);
289 * Is @mon a QMP monitor?
291 static inline bool monitor_is_qmp(const Monitor
*mon
)
293 return (mon
->flags
& MONITOR_USE_CONTROL
);
297 * Is @mon is using readline?
298 * Note: not all HMP monitors use readline, e.g., gdbserver has a
299 * non-interactive HMP monitor, so readline is not used there.
301 static inline bool monitor_uses_readline(const Monitor
*mon
)
303 return mon
->flags
& MONITOR_USE_READLINE
;
306 static inline bool monitor_is_hmp_non_interactive(const Monitor
*mon
)
308 return !monitor_is_qmp(mon
) && !monitor_uses_readline(mon
);
312 * Return the clock to use for recording an event's time.
313 * It's QEMU_CLOCK_REALTIME, except for qtests it's
314 * QEMU_CLOCK_VIRTUAL, to support testing rate limits.
315 * Beware: result is invalid before configure_accelerator().
317 static inline QEMUClockType
monitor_get_event_clock(void)
319 return qtest_enabled() ? QEMU_CLOCK_VIRTUAL
: QEMU_CLOCK_REALTIME
;
323 * Is the current monitor, if any, a QMP monitor?
325 bool monitor_cur_is_qmp(void)
327 return cur_mon
&& monitor_is_qmp(cur_mon
);
330 void monitor_read_command(Monitor
*mon
, int show_prompt
)
335 readline_start(mon
->rs
, "(qemu) ", 0, monitor_command_cb
, NULL
);
337 readline_show_prompt(mon
->rs
);
340 int monitor_read_password(Monitor
*mon
, ReadLineFunc
*readline_func
,
344 readline_start(mon
->rs
, "Password: ", 1, readline_func
, opaque
);
345 /* prompt is printed on return from the command handler */
348 monitor_printf(mon
, "terminal does not support password prompting\n");
353 static void qmp_request_free(QMPRequest
*req
)
355 qobject_unref(req
->id
);
356 qobject_unref(req
->req
);
357 error_free(req
->err
);
361 /* Caller must hold mon->qmp.qmp_queue_lock */
362 static void monitor_qmp_cleanup_req_queue_locked(Monitor
*mon
)
364 while (!g_queue_is_empty(mon
->qmp
.qmp_requests
)) {
365 qmp_request_free(g_queue_pop_head(mon
->qmp
.qmp_requests
));
369 static void monitor_qmp_cleanup_queues(Monitor
*mon
)
371 qemu_mutex_lock(&mon
->qmp
.qmp_queue_lock
);
372 monitor_qmp_cleanup_req_queue_locked(mon
);
373 qemu_mutex_unlock(&mon
->qmp
.qmp_queue_lock
);
377 static void monitor_flush_locked(Monitor
*mon
);
379 static gboolean
monitor_unblocked(GIOChannel
*chan
, GIOCondition cond
,
382 Monitor
*mon
= opaque
;
384 qemu_mutex_lock(&mon
->mon_lock
);
386 monitor_flush_locked(mon
);
387 qemu_mutex_unlock(&mon
->mon_lock
);
391 /* Caller must hold mon->mon_lock */
392 static void monitor_flush_locked(Monitor
*mon
)
398 if (mon
->skip_flush
) {
402 buf
= qstring_get_str(mon
->outbuf
);
403 len
= qstring_get_length(mon
->outbuf
);
405 if (len
&& !mon
->mux_out
) {
406 rc
= qemu_chr_fe_write(&mon
->chr
, (const uint8_t *) buf
, len
);
407 if ((rc
< 0 && errno
!= EAGAIN
) || (rc
== len
)) {
408 /* all flushed or error */
409 qobject_unref(mon
->outbuf
);
410 mon
->outbuf
= qstring_new();
415 QString
*tmp
= qstring_from_str(buf
+ rc
);
416 qobject_unref(mon
->outbuf
);
419 if (mon
->out_watch
== 0) {
421 qemu_chr_fe_add_watch(&mon
->chr
, G_IO_OUT
| G_IO_HUP
,
422 monitor_unblocked
, mon
);
427 void monitor_flush(Monitor
*mon
)
429 qemu_mutex_lock(&mon
->mon_lock
);
430 monitor_flush_locked(mon
);
431 qemu_mutex_unlock(&mon
->mon_lock
);
434 /* flush at every end of line */
435 static void monitor_puts(Monitor
*mon
, const char *str
)
439 qemu_mutex_lock(&mon
->mon_lock
);
445 qstring_append_chr(mon
->outbuf
, '\r');
447 qstring_append_chr(mon
->outbuf
, c
);
449 monitor_flush_locked(mon
);
452 qemu_mutex_unlock(&mon
->mon_lock
);
455 void monitor_vprintf(Monitor
*mon
, const char *fmt
, va_list ap
)
462 if (monitor_is_qmp(mon
)) {
466 buf
= g_strdup_vprintf(fmt
, ap
);
467 monitor_puts(mon
, buf
);
471 void monitor_printf(Monitor
*mon
, const char *fmt
, ...)
475 monitor_vprintf(mon
, fmt
, ap
);
479 int monitor_fprintf(FILE *stream
, const char *fmt
, ...)
483 monitor_vprintf((Monitor
*)stream
, fmt
, ap
);
488 static void qmp_send_response(Monitor
*mon
, const QDict
*rsp
)
490 const QObject
*data
= QOBJECT(rsp
);
493 json
= mon
->flags
& MONITOR_USE_PRETTY
? qobject_to_json_pretty(data
) :
494 qobject_to_json(data
);
495 assert(json
!= NULL
);
497 qstring_append_chr(json
, '\n');
498 monitor_puts(mon
, qstring_get_str(json
));
503 static MonitorQAPIEventConf monitor_qapi_event_conf
[QAPI_EVENT__MAX
] = {
504 /* Limit guest-triggerable events to 1 per second */
505 [QAPI_EVENT_RTC_CHANGE
] = { 1000 * SCALE_MS
},
506 [QAPI_EVENT_WATCHDOG
] = { 1000 * SCALE_MS
},
507 [QAPI_EVENT_BALLOON_CHANGE
] = { 1000 * SCALE_MS
},
508 [QAPI_EVENT_QUORUM_REPORT_BAD
] = { 1000 * SCALE_MS
},
509 [QAPI_EVENT_QUORUM_FAILURE
] = { 1000 * SCALE_MS
},
510 [QAPI_EVENT_VSERPORT_CHANGE
] = { 1000 * SCALE_MS
},
514 * Broadcast an event to all monitors.
515 * @qdict is the event object. Its member "event" must match @event.
516 * Caller must hold monitor_lock.
518 static void monitor_qapi_event_emit(QAPIEvent event
, QDict
*qdict
)
522 trace_monitor_protocol_event_emit(event
, qdict
);
523 QTAILQ_FOREACH(mon
, &mon_list
, entry
) {
524 if (monitor_is_qmp(mon
)
525 && mon
->qmp
.commands
!= &qmp_cap_negotiation_commands
) {
526 qmp_send_response(mon
, qdict
);
531 static void monitor_qapi_event_handler(void *opaque
);
534 * Queue a new event for emission to Monitor instances,
535 * applying any rate limiting if required.
538 monitor_qapi_event_queue_no_reenter(QAPIEvent event
, QDict
*qdict
)
540 MonitorQAPIEventConf
*evconf
;
541 MonitorQAPIEventState
*evstate
;
543 assert(event
< QAPI_EVENT__MAX
);
544 evconf
= &monitor_qapi_event_conf
[event
];
545 trace_monitor_protocol_event_queue(event
, qdict
, evconf
->rate
);
547 qemu_mutex_lock(&monitor_lock
);
550 /* Unthrottled event */
551 monitor_qapi_event_emit(event
, qdict
);
553 QDict
*data
= qobject_to(QDict
, qdict_get(qdict
, "data"));
554 MonitorQAPIEventState key
= { .event
= event
, .data
= data
};
556 evstate
= g_hash_table_lookup(monitor_qapi_event_state
, &key
);
557 assert(!evstate
|| timer_pending(evstate
->timer
));
561 * Timer is pending for (at least) evconf->rate ns after
562 * last send. Store event for sending when timer fires,
563 * replacing a prior stored event if any.
565 qobject_unref(evstate
->qdict
);
566 evstate
->qdict
= qobject_ref(qdict
);
569 * Last send was (at least) evconf->rate ns ago.
570 * Send immediately, and arm the timer to call
571 * monitor_qapi_event_handler() in evconf->rate ns. Any
572 * events arriving before then will be delayed until then.
574 int64_t now
= qemu_clock_get_ns(monitor_get_event_clock());
576 monitor_qapi_event_emit(event
, qdict
);
578 evstate
= g_new(MonitorQAPIEventState
, 1);
579 evstate
->event
= event
;
580 evstate
->data
= qobject_ref(data
);
581 evstate
->qdict
= NULL
;
582 evstate
->timer
= timer_new_ns(monitor_get_event_clock(),
583 monitor_qapi_event_handler
,
585 g_hash_table_add(monitor_qapi_event_state
, evstate
);
586 timer_mod_ns(evstate
->timer
, now
+ evconf
->rate
);
590 qemu_mutex_unlock(&monitor_lock
);
594 monitor_qapi_event_queue(QAPIEvent event
, QDict
*qdict
)
597 * monitor_qapi_event_queue_no_reenter() is not reentrant: it
598 * would deadlock on monitor_lock. Work around by queueing
599 * events in thread-local storage.
600 * TODO: remove this, make it re-enter safe.
602 typedef struct MonitorQapiEvent
{
605 QSIMPLEQ_ENTRY(MonitorQapiEvent
) entry
;
607 static __thread
QSIMPLEQ_HEAD(, MonitorQapiEvent
) event_queue
;
608 static __thread
bool reentered
;
609 MonitorQapiEvent
*ev
;
612 QSIMPLEQ_INIT(&event_queue
);
615 ev
= g_new(MonitorQapiEvent
, 1);
616 ev
->qdict
= qobject_ref(qdict
);
618 QSIMPLEQ_INSERT_TAIL(&event_queue
, ev
, entry
);
625 while ((ev
= QSIMPLEQ_FIRST(&event_queue
)) != NULL
) {
626 QSIMPLEQ_REMOVE_HEAD(&event_queue
, entry
);
627 monitor_qapi_event_queue_no_reenter(ev
->event
, ev
->qdict
);
628 qobject_unref(ev
->qdict
);
636 * This function runs evconf->rate ns after sending a throttled
638 * If another event has since been stored, send it.
640 static void monitor_qapi_event_handler(void *opaque
)
642 MonitorQAPIEventState
*evstate
= opaque
;
643 MonitorQAPIEventConf
*evconf
= &monitor_qapi_event_conf
[evstate
->event
];
645 trace_monitor_protocol_event_handler(evstate
->event
, evstate
->qdict
);
646 qemu_mutex_lock(&monitor_lock
);
648 if (evstate
->qdict
) {
649 int64_t now
= qemu_clock_get_ns(monitor_get_event_clock());
651 monitor_qapi_event_emit(evstate
->event
, evstate
->qdict
);
652 qobject_unref(evstate
->qdict
);
653 evstate
->qdict
= NULL
;
654 timer_mod_ns(evstate
->timer
, now
+ evconf
->rate
);
656 g_hash_table_remove(monitor_qapi_event_state
, evstate
);
657 qobject_unref(evstate
->data
);
658 timer_free(evstate
->timer
);
662 qemu_mutex_unlock(&monitor_lock
);
665 static unsigned int qapi_event_throttle_hash(const void *key
)
667 const MonitorQAPIEventState
*evstate
= key
;
668 unsigned int hash
= evstate
->event
* 255;
670 if (evstate
->event
== QAPI_EVENT_VSERPORT_CHANGE
) {
671 hash
+= g_str_hash(qdict_get_str(evstate
->data
, "id"));
674 if (evstate
->event
== QAPI_EVENT_QUORUM_REPORT_BAD
) {
675 hash
+= g_str_hash(qdict_get_str(evstate
->data
, "node-name"));
681 static gboolean
qapi_event_throttle_equal(const void *a
, const void *b
)
683 const MonitorQAPIEventState
*eva
= a
;
684 const MonitorQAPIEventState
*evb
= b
;
686 if (eva
->event
!= evb
->event
) {
690 if (eva
->event
== QAPI_EVENT_VSERPORT_CHANGE
) {
691 return !strcmp(qdict_get_str(eva
->data
, "id"),
692 qdict_get_str(evb
->data
, "id"));
695 if (eva
->event
== QAPI_EVENT_QUORUM_REPORT_BAD
) {
696 return !strcmp(qdict_get_str(eva
->data
, "node-name"),
697 qdict_get_str(evb
->data
, "node-name"));
703 static void monitor_qapi_event_init(void)
705 monitor_qapi_event_state
= g_hash_table_new(qapi_event_throttle_hash
,
706 qapi_event_throttle_equal
);
707 qmp_event_set_func_emit(monitor_qapi_event_queue
);
710 static void handle_hmp_command(Monitor
*mon
, const char *cmdline
);
712 static void monitor_iothread_init(void);
714 static void monitor_data_init(Monitor
*mon
, bool skip_flush
,
717 if (use_io_thread
&& !mon_iothread
) {
718 monitor_iothread_init();
720 memset(mon
, 0, sizeof(Monitor
));
721 qemu_mutex_init(&mon
->mon_lock
);
722 qemu_mutex_init(&mon
->qmp
.qmp_queue_lock
);
723 mon
->outbuf
= qstring_new();
724 /* Use *mon_cmds by default. */
725 mon
->cmd_table
= mon_cmds
;
726 mon
->skip_flush
= skip_flush
;
727 mon
->use_io_thread
= use_io_thread
;
728 mon
->qmp
.qmp_requests
= g_queue_new();
731 static void monitor_data_destroy(Monitor
*mon
)
733 g_free(mon
->mon_cpu_path
);
734 qemu_chr_fe_deinit(&mon
->chr
, false);
735 if (monitor_is_qmp(mon
)) {
736 json_message_parser_destroy(&mon
->qmp
.parser
);
738 readline_free(mon
->rs
);
739 qobject_unref(mon
->outbuf
);
740 qemu_mutex_destroy(&mon
->mon_lock
);
741 qemu_mutex_destroy(&mon
->qmp
.qmp_queue_lock
);
742 monitor_qmp_cleanup_req_queue_locked(mon
);
743 g_queue_free(mon
->qmp
.qmp_requests
);
746 char *qmp_human_monitor_command(const char *command_line
, bool has_cpu_index
,
747 int64_t cpu_index
, Error
**errp
)
750 Monitor
*old_mon
, hmp
;
752 monitor_data_init(&hmp
, true, false);
758 int ret
= monitor_set_cpu(cpu_index
);
761 error_setg(errp
, QERR_INVALID_PARAMETER_VALUE
, "cpu-index",
767 handle_hmp_command(&hmp
, command_line
);
770 qemu_mutex_lock(&hmp
.mon_lock
);
771 if (qstring_get_length(hmp
.outbuf
) > 0) {
772 output
= g_strdup(qstring_get_str(hmp
.outbuf
));
774 output
= g_strdup("");
776 qemu_mutex_unlock(&hmp
.mon_lock
);
779 monitor_data_destroy(&hmp
);
783 static int compare_cmd(const char *name
, const char *list
)
785 const char *p
, *pstart
;
791 p
= qemu_strchrnul(p
, '|');
792 if ((p
- pstart
) == len
&& !memcmp(pstart
, name
, len
))
801 static int get_str(char *buf
, int buf_size
, const char **pp
)
809 while (qemu_isspace(*p
)) {
820 while (*p
!= '\0' && *p
!= '\"') {
836 printf("unsupported escape code: '\\%c'\n", c
);
839 if ((q
- buf
) < buf_size
- 1) {
843 if ((q
- buf
) < buf_size
- 1) {
850 printf("unterminated string\n");
855 while (*p
!= '\0' && !qemu_isspace(*p
)) {
856 if ((q
- buf
) < buf_size
- 1) {
869 static void free_cmdline_args(char **args
, int nb_args
)
873 assert(nb_args
<= MAX_ARGS
);
875 for (i
= 0; i
< nb_args
; i
++) {
882 * Parse the command line to get valid args.
883 * @cmdline: command line to be parsed.
884 * @pnb_args: location to store the number of args, must NOT be NULL.
885 * @args: location to store the args, which should be freed by caller, must
888 * Returns 0 on success, negative on failure.
890 * NOTE: this parser is an approximate form of the real command parser. Number
891 * of args have a limit of MAX_ARGS. If cmdline contains more, it will
892 * return with failure.
894 static int parse_cmdline(const char *cmdline
,
895 int *pnb_args
, char **args
)
904 while (qemu_isspace(*p
)) {
910 if (nb_args
>= MAX_ARGS
) {
913 ret
= get_str(buf
, sizeof(buf
), &p
);
917 args
[nb_args
] = g_strdup(buf
);
924 free_cmdline_args(args
, nb_args
);
929 * Can command @cmd be executed in preconfig state?
931 static bool cmd_can_preconfig(const mon_cmd_t
*cmd
)
937 return strchr(cmd
->flags
, 'p');
940 static void help_cmd_dump_one(Monitor
*mon
,
941 const mon_cmd_t
*cmd
,
947 if (runstate_check(RUN_STATE_PRECONFIG
) && !cmd_can_preconfig(cmd
)) {
951 for (i
= 0; i
< prefix_args_nb
; i
++) {
952 monitor_printf(mon
, "%s ", prefix_args
[i
]);
954 monitor_printf(mon
, "%s %s -- %s\n", cmd
->name
, cmd
->params
, cmd
->help
);
957 /* @args[@arg_index] is the valid command need to find in @cmds */
958 static void help_cmd_dump(Monitor
*mon
, const mon_cmd_t
*cmds
,
959 char **args
, int nb_args
, int arg_index
)
961 const mon_cmd_t
*cmd
;
964 /* No valid arg need to compare with, dump all in *cmds */
965 if (arg_index
>= nb_args
) {
966 for (cmd
= cmds
; cmd
->name
!= NULL
; cmd
++) {
967 help_cmd_dump_one(mon
, cmd
, args
, arg_index
);
972 /* Find one entry to dump */
973 for (cmd
= cmds
; cmd
->name
!= NULL
; cmd
++) {
974 if (compare_cmd(args
[arg_index
], cmd
->name
) &&
975 ((!runstate_check(RUN_STATE_PRECONFIG
) ||
976 cmd_can_preconfig(cmd
)))) {
977 if (cmd
->sub_table
) {
978 /* continue with next arg */
979 help_cmd_dump(mon
, cmd
->sub_table
,
980 args
, nb_args
, arg_index
+ 1);
982 help_cmd_dump_one(mon
, cmd
, args
, arg_index
);
988 /* Command not found */
989 monitor_printf(mon
, "unknown command: '");
990 for (i
= 0; i
<= arg_index
; i
++) {
991 monitor_printf(mon
, "%s%s", args
[i
], i
== arg_index
? "'\n" : " ");
995 static void help_cmd(Monitor
*mon
, const char *name
)
997 char *args
[MAX_ARGS
];
1000 /* 1. parse user input */
1002 /* special case for log, directly dump and return */
1003 if (!strcmp(name
, "log")) {
1004 const QEMULogItem
*item
;
1005 monitor_printf(mon
, "Log items (comma separated):\n");
1006 monitor_printf(mon
, "%-10s %s\n", "none", "remove all logs");
1007 for (item
= qemu_log_items
; item
->mask
!= 0; item
++) {
1008 monitor_printf(mon
, "%-10s %s\n", item
->name
, item
->help
);
1013 if (parse_cmdline(name
, &nb_args
, args
) < 0) {
1018 /* 2. dump the contents according to parsed args */
1019 help_cmd_dump(mon
, mon
->cmd_table
, args
, nb_args
, 0);
1021 free_cmdline_args(args
, nb_args
);
1024 static void do_help_cmd(Monitor
*mon
, const QDict
*qdict
)
1026 help_cmd(mon
, qdict_get_try_str(qdict
, "name"));
1029 static void hmp_trace_event(Monitor
*mon
, const QDict
*qdict
)
1031 const char *tp_name
= qdict_get_str(qdict
, "name");
1032 bool new_state
= qdict_get_bool(qdict
, "option");
1033 bool has_vcpu
= qdict_haskey(qdict
, "vcpu");
1034 int vcpu
= qdict_get_try_int(qdict
, "vcpu", 0);
1035 Error
*local_err
= NULL
;
1038 monitor_printf(mon
, "argument vcpu must be positive");
1042 qmp_trace_event_set_state(tp_name
, new_state
, true, true, has_vcpu
, vcpu
, &local_err
);
1044 error_report_err(local_err
);
1048 #ifdef CONFIG_TRACE_SIMPLE
1049 static void hmp_trace_file(Monitor
*mon
, const QDict
*qdict
)
1051 const char *op
= qdict_get_try_str(qdict
, "op");
1052 const char *arg
= qdict_get_try_str(qdict
, "arg");
1055 st_print_trace_file_status((FILE *)mon
, &monitor_fprintf
);
1056 } else if (!strcmp(op
, "on")) {
1057 st_set_trace_file_enabled(true);
1058 } else if (!strcmp(op
, "off")) {
1059 st_set_trace_file_enabled(false);
1060 } else if (!strcmp(op
, "flush")) {
1061 st_flush_trace_buffer();
1062 } else if (!strcmp(op
, "set")) {
1064 st_set_trace_file(arg
);
1067 monitor_printf(mon
, "unexpected argument \"%s\"\n", op
);
1068 help_cmd(mon
, "trace-file");
1073 static void hmp_info_help(Monitor
*mon
, const QDict
*qdict
)
1075 help_cmd(mon
, "info");
1078 static void query_commands_cb(QmpCommand
*cmd
, void *opaque
)
1080 CommandInfoList
*info
, **list
= opaque
;
1082 if (!cmd
->enabled
) {
1086 info
= g_malloc0(sizeof(*info
));
1087 info
->value
= g_malloc0(sizeof(*info
->value
));
1088 info
->value
->name
= g_strdup(cmd
->name
);
1093 CommandInfoList
*qmp_query_commands(Error
**errp
)
1095 CommandInfoList
*list
= NULL
;
1097 qmp_for_each_command(cur_mon
->qmp
.commands
, query_commands_cb
, &list
);
1102 EventInfoList
*qmp_query_events(Error
**errp
)
1104 EventInfoList
*info
, *ev_list
= NULL
;
1107 for (e
= 0 ; e
< QAPI_EVENT__MAX
; e
++) {
1108 const char *event_name
= QAPIEvent_str(e
);
1109 assert(event_name
!= NULL
);
1110 info
= g_malloc0(sizeof(*info
));
1111 info
->value
= g_malloc0(sizeof(*info
->value
));
1112 info
->value
->name
= g_strdup(event_name
);
1114 info
->next
= ev_list
;
1122 * Minor hack: generated marshalling suppressed for this command
1123 * ('gen': false in the schema) so we can parse the JSON string
1124 * directly into QObject instead of first parsing it with
1125 * visit_type_SchemaInfoList() into a SchemaInfoList, then marshal it
1126 * to QObject with generated output marshallers, every time. Instead,
1127 * we do it in test-qobject-input-visitor.c, just to make sure
1128 * qapi-gen.py's output actually conforms to the schema.
1130 static void qmp_query_qmp_schema(QDict
*qdict
, QObject
**ret_data
,
1133 *ret_data
= qobject_from_qlit(&qmp_schema_qlit
);
1137 * We used to define commands in qmp-commands.hx in addition to the
1138 * QAPI schema. This permitted defining some of them only in certain
1139 * configurations. query-commands has always reflected that (good,
1140 * because it lets QMP clients figure out what's actually available),
1141 * while query-qmp-schema never did (not so good). This function is a
1142 * hack to keep the configuration-specific commands defined exactly as
1143 * before, even though qmp-commands.hx is gone.
1145 * FIXME Educate the QAPI schema on configuration-specific commands,
1146 * and drop this hack.
1148 static void qmp_unregister_commands_hack(void)
1150 #ifndef CONFIG_REPLICATION
1151 qmp_unregister_command(&qmp_commands
, "xen-set-replication");
1152 qmp_unregister_command(&qmp_commands
, "query-xen-replication-status");
1153 qmp_unregister_command(&qmp_commands
, "xen-colo-do-checkpoint");
1156 qmp_unregister_command(&qmp_commands
, "rtc-reset-reinjection");
1157 qmp_unregister_command(&qmp_commands
, "query-sev");
1158 qmp_unregister_command(&qmp_commands
, "query-sev-launch-measure");
1159 qmp_unregister_command(&qmp_commands
, "query-sev-capabilities");
1161 #ifndef TARGET_S390X
1162 qmp_unregister_command(&qmp_commands
, "dump-skeys");
1165 qmp_unregister_command(&qmp_commands
, "query-gic-capabilities");
1167 #if !defined(TARGET_S390X) && !defined(TARGET_I386)
1168 qmp_unregister_command(&qmp_commands
, "query-cpu-model-expansion");
1170 #if !defined(TARGET_S390X)
1171 qmp_unregister_command(&qmp_commands
, "query-cpu-model-baseline");
1172 qmp_unregister_command(&qmp_commands
, "query-cpu-model-comparison");
1174 #if !defined(TARGET_PPC) && !defined(TARGET_ARM) && !defined(TARGET_I386) \
1175 && !defined(TARGET_S390X)
1176 qmp_unregister_command(&qmp_commands
, "query-cpu-definitions");
1180 static void monitor_init_qmp_commands(void)
1183 * Two command lists:
1184 * - qmp_commands contains all QMP commands
1185 * - qmp_cap_negotiation_commands contains just
1186 * "qmp_capabilities", to enforce capability negotiation
1189 qmp_init_marshal(&qmp_commands
);
1191 qmp_register_command(&qmp_commands
, "query-qmp-schema",
1192 qmp_query_qmp_schema
, QCO_ALLOW_PRECONFIG
);
1193 qmp_register_command(&qmp_commands
, "device_add", qmp_device_add
,
1195 qmp_register_command(&qmp_commands
, "netdev_add", qmp_netdev_add
,
1198 qmp_unregister_commands_hack();
1200 QTAILQ_INIT(&qmp_cap_negotiation_commands
);
1201 qmp_register_command(&qmp_cap_negotiation_commands
, "qmp_capabilities",
1202 qmp_marshal_qmp_capabilities
, QCO_ALLOW_PRECONFIG
);
1205 static bool qmp_oob_enabled(Monitor
*mon
)
1207 return mon
->qmp
.capab
[QMP_CAPABILITY_OOB
];
1210 static void monitor_qmp_caps_reset(Monitor
*mon
)
1212 memset(mon
->qmp
.capab_offered
, 0, sizeof(mon
->qmp
.capab_offered
));
1213 memset(mon
->qmp
.capab
, 0, sizeof(mon
->qmp
.capab
));
1214 mon
->qmp
.capab_offered
[QMP_CAPABILITY_OOB
] = mon
->use_io_thread
;
1218 * Accept QMP capabilities in @list for @mon.
1219 * On success, set mon->qmp.capab[], and return true.
1220 * On error, set @errp, and return false.
1222 static bool qmp_caps_accept(Monitor
*mon
, QMPCapabilityList
*list
,
1225 GString
*unavailable
= NULL
;
1226 bool capab
[QMP_CAPABILITY__MAX
];
1228 memset(capab
, 0, sizeof(capab
));
1230 for (; list
; list
= list
->next
) {
1231 if (!mon
->qmp
.capab_offered
[list
->value
]) {
1233 unavailable
= g_string_new(QMPCapability_str(list
->value
));
1235 g_string_append_printf(unavailable
, ", %s",
1236 QMPCapability_str(list
->value
));
1239 capab
[list
->value
] = true;
1243 error_setg(errp
, "Capability %s not available", unavailable
->str
);
1244 g_string_free(unavailable
, true);
1248 memcpy(mon
->qmp
.capab
, capab
, sizeof(capab
));
1252 void qmp_qmp_capabilities(bool has_enable
, QMPCapabilityList
*enable
,
1255 if (cur_mon
->qmp
.commands
== &qmp_commands
) {
1256 error_set(errp
, ERROR_CLASS_COMMAND_NOT_FOUND
,
1257 "Capabilities negotiation is already complete, command "
1262 if (!qmp_caps_accept(cur_mon
, enable
, errp
)) {
1266 cur_mon
->qmp
.commands
= &qmp_commands
;
1269 /* Set the current CPU defined by the user. Callers must hold BQL. */
1270 int monitor_set_cpu(int cpu_index
)
1274 cpu
= qemu_get_cpu(cpu_index
);
1278 g_free(cur_mon
->mon_cpu_path
);
1279 cur_mon
->mon_cpu_path
= object_get_canonical_path(OBJECT(cpu
));
1283 /* Callers must hold BQL. */
1284 static CPUState
*mon_get_cpu_sync(bool synchronize
)
1288 if (cur_mon
->mon_cpu_path
) {
1289 cpu
= (CPUState
*) object_resolve_path_type(cur_mon
->mon_cpu_path
,
1292 g_free(cur_mon
->mon_cpu_path
);
1293 cur_mon
->mon_cpu_path
= NULL
;
1296 if (!cur_mon
->mon_cpu_path
) {
1300 monitor_set_cpu(first_cpu
->cpu_index
);
1304 cpu_synchronize_state(cpu
);
1309 CPUState
*mon_get_cpu(void)
1311 return mon_get_cpu_sync(true);
1314 CPUArchState
*mon_get_cpu_env(void)
1316 CPUState
*cs
= mon_get_cpu();
1318 return cs
? cs
->env_ptr
: NULL
;
1321 int monitor_get_cpu_index(void)
1323 CPUState
*cs
= mon_get_cpu_sync(false);
1325 return cs
? cs
->cpu_index
: UNASSIGNED_CPU_INDEX
;
1328 static void hmp_info_registers(Monitor
*mon
, const QDict
*qdict
)
1330 bool all_cpus
= qdict_get_try_bool(qdict
, "cpustate_all", false);
1335 monitor_printf(mon
, "\nCPU#%d\n", cs
->cpu_index
);
1336 cpu_dump_state(cs
, (FILE *)mon
, monitor_fprintf
, CPU_DUMP_FPU
);
1342 monitor_printf(mon
, "No CPU available\n");
1346 cpu_dump_state(cs
, (FILE *)mon
, monitor_fprintf
, CPU_DUMP_FPU
);
1351 static void hmp_info_jit(Monitor
*mon
, const QDict
*qdict
)
1353 if (!tcg_enabled()) {
1354 error_report("JIT information is only available with accel=tcg");
1358 dump_exec_info((FILE *)mon
, monitor_fprintf
);
1359 dump_drift_info((FILE *)mon
, monitor_fprintf
);
1362 static void hmp_info_opcount(Monitor
*mon
, const QDict
*qdict
)
1364 dump_opcount_info((FILE *)mon
, monitor_fprintf
);
1368 static void hmp_info_sync_profile(Monitor
*mon
, const QDict
*qdict
)
1370 int64_t max
= qdict_get_try_int(qdict
, "max", 10);
1371 bool mean
= qdict_get_try_bool(qdict
, "mean", false);
1372 bool coalesce
= !qdict_get_try_bool(qdict
, "no_coalesce", false);
1373 enum QSPSortBy sort_by
;
1375 sort_by
= mean
? QSP_SORT_BY_AVG_WAIT_TIME
: QSP_SORT_BY_TOTAL_WAIT_TIME
;
1376 qsp_report((FILE *)mon
, monitor_fprintf
, max
, sort_by
, coalesce
);
1379 static void hmp_info_history(Monitor
*mon
, const QDict
*qdict
)
1388 str
= readline_get_history(mon
->rs
, i
);
1391 monitor_printf(mon
, "%d: '%s'\n", i
, str
);
1396 static void hmp_info_cpustats(Monitor
*mon
, const QDict
*qdict
)
1398 CPUState
*cs
= mon_get_cpu();
1401 monitor_printf(mon
, "No CPU available\n");
1404 cpu_dump_statistics(cs
, (FILE *)mon
, &monitor_fprintf
, 0);
1407 static void hmp_info_trace_events(Monitor
*mon
, const QDict
*qdict
)
1409 const char *name
= qdict_get_try_str(qdict
, "name");
1410 bool has_vcpu
= qdict_haskey(qdict
, "vcpu");
1411 int vcpu
= qdict_get_try_int(qdict
, "vcpu", 0);
1412 TraceEventInfoList
*events
;
1413 TraceEventInfoList
*elem
;
1414 Error
*local_err
= NULL
;
1420 monitor_printf(mon
, "argument vcpu must be positive");
1424 events
= qmp_trace_event_get_state(name
, has_vcpu
, vcpu
, &local_err
);
1426 error_report_err(local_err
);
1430 for (elem
= events
; elem
!= NULL
; elem
= elem
->next
) {
1431 monitor_printf(mon
, "%s : state %u\n",
1433 elem
->value
->state
== TRACE_EVENT_STATE_ENABLED
? 1 : 0);
1435 qapi_free_TraceEventInfoList(events
);
1438 void qmp_client_migrate_info(const char *protocol
, const char *hostname
,
1439 bool has_port
, int64_t port
,
1440 bool has_tls_port
, int64_t tls_port
,
1441 bool has_cert_subject
, const char *cert_subject
,
1444 if (strcmp(protocol
, "spice") == 0) {
1445 if (!qemu_using_spice(errp
)) {
1449 if (!has_port
&& !has_tls_port
) {
1450 error_setg(errp
, QERR_MISSING_PARAMETER
, "port/tls-port");
1454 if (qemu_spice_migrate_info(hostname
,
1455 has_port
? port
: -1,
1456 has_tls_port
? tls_port
: -1,
1458 error_setg(errp
, QERR_UNDEFINED_ERROR
);
1464 error_setg(errp
, QERR_INVALID_PARAMETER_VALUE
, "protocol", "spice");
1467 static void hmp_logfile(Monitor
*mon
, const QDict
*qdict
)
1471 qemu_set_log_filename(qdict_get_str(qdict
, "filename"), &err
);
1473 error_report_err(err
);
1477 static void hmp_log(Monitor
*mon
, const QDict
*qdict
)
1480 const char *items
= qdict_get_str(qdict
, "items");
1482 if (!strcmp(items
, "none")) {
1485 mask
= qemu_str_to_log_mask(items
);
1487 help_cmd(mon
, "log");
1494 static void hmp_singlestep(Monitor
*mon
, const QDict
*qdict
)
1496 const char *option
= qdict_get_try_str(qdict
, "option");
1497 if (!option
|| !strcmp(option
, "on")) {
1499 } else if (!strcmp(option
, "off")) {
1502 monitor_printf(mon
, "unexpected option %s\n", option
);
1506 static void hmp_gdbserver(Monitor
*mon
, const QDict
*qdict
)
1508 const char *device
= qdict_get_try_str(qdict
, "device");
1510 device
= "tcp::" DEFAULT_GDBSTUB_PORT
;
1511 if (gdbserver_start(device
) < 0) {
1512 monitor_printf(mon
, "Could not open gdbserver on device '%s'\n",
1514 } else if (strcmp(device
, "none") == 0) {
1515 monitor_printf(mon
, "Disabled gdbserver\n");
1517 monitor_printf(mon
, "Waiting for gdb connection on device '%s'\n",
1522 static void hmp_watchdog_action(Monitor
*mon
, const QDict
*qdict
)
1524 const char *action
= qdict_get_str(qdict
, "action");
1525 if (select_watchdog_action(action
) == -1) {
1526 monitor_printf(mon
, "Unknown watchdog action '%s'\n", action
);
1530 static void monitor_printc(Monitor
*mon
, int c
)
1532 monitor_printf(mon
, "'");
1535 monitor_printf(mon
, "\\'");
1538 monitor_printf(mon
, "\\\\");
1541 monitor_printf(mon
, "\\n");
1544 monitor_printf(mon
, "\\r");
1547 if (c
>= 32 && c
<= 126) {
1548 monitor_printf(mon
, "%c", c
);
1550 monitor_printf(mon
, "\\x%02x", c
);
1554 monitor_printf(mon
, "'");
1557 static void memory_dump(Monitor
*mon
, int count
, int format
, int wsize
,
1558 hwaddr addr
, int is_physical
)
1560 int l
, line_size
, i
, max_digits
, len
;
1563 CPUState
*cs
= mon_get_cpu();
1565 if (!cs
&& (format
== 'i' || !is_physical
)) {
1566 monitor_printf(mon
, "Can not dump without CPU\n");
1570 if (format
== 'i') {
1571 monitor_disas(mon
, cs
, addr
, count
, is_physical
);
1575 len
= wsize
* count
;
1584 max_digits
= DIV_ROUND_UP(wsize
* 8, 3);
1588 max_digits
= (wsize
* 8) / 4;
1592 max_digits
= DIV_ROUND_UP(wsize
* 8 * 10, 33);
1601 monitor_printf(mon
, TARGET_FMT_plx
":", addr
);
1603 monitor_printf(mon
, TARGET_FMT_lx
":", (target_ulong
)addr
);
1608 AddressSpace
*as
= cs
? cs
->as
: &address_space_memory
;
1609 MemTxResult r
= address_space_read(as
, addr
,
1610 MEMTXATTRS_UNSPECIFIED
, buf
, l
);
1611 if (r
!= MEMTX_OK
) {
1612 monitor_printf(mon
, " Cannot access memory\n");
1616 if (cpu_memory_rw_debug(cs
, addr
, buf
, l
, 0) < 0) {
1617 monitor_printf(mon
, " Cannot access memory\n");
1626 v
= ldub_p(buf
+ i
);
1629 v
= lduw_p(buf
+ i
);
1632 v
= (uint32_t)ldl_p(buf
+ i
);
1638 monitor_printf(mon
, " ");
1641 monitor_printf(mon
, "%#*" PRIo64
, max_digits
, v
);
1644 monitor_printf(mon
, "0x%0*" PRIx64
, max_digits
, v
);
1647 monitor_printf(mon
, "%*" PRIu64
, max_digits
, v
);
1650 monitor_printf(mon
, "%*" PRId64
, max_digits
, v
);
1653 monitor_printc(mon
, v
);
1658 monitor_printf(mon
, "\n");
1664 static void hmp_memory_dump(Monitor
*mon
, const QDict
*qdict
)
1666 int count
= qdict_get_int(qdict
, "count");
1667 int format
= qdict_get_int(qdict
, "format");
1668 int size
= qdict_get_int(qdict
, "size");
1669 target_long addr
= qdict_get_int(qdict
, "addr");
1671 memory_dump(mon
, count
, format
, size
, addr
, 0);
1674 static void hmp_physical_memory_dump(Monitor
*mon
, const QDict
*qdict
)
1676 int count
= qdict_get_int(qdict
, "count");
1677 int format
= qdict_get_int(qdict
, "format");
1678 int size
= qdict_get_int(qdict
, "size");
1679 hwaddr addr
= qdict_get_int(qdict
, "addr");
1681 memory_dump(mon
, count
, format
, size
, addr
, 1);
1684 static void *gpa2hva(MemoryRegion
**p_mr
, hwaddr addr
, Error
**errp
)
1686 MemoryRegionSection mrs
= memory_region_find(get_system_memory(),
1690 error_setg(errp
, "No memory is mapped at address 0x%" HWADDR_PRIx
, addr
);
1694 if (!memory_region_is_ram(mrs
.mr
) && !memory_region_is_romd(mrs
.mr
)) {
1695 error_setg(errp
, "Memory at address 0x%" HWADDR_PRIx
"is not RAM", addr
);
1696 memory_region_unref(mrs
.mr
);
1701 return qemu_map_ram_ptr(mrs
.mr
->ram_block
, mrs
.offset_within_region
);
1704 static void hmp_gpa2hva(Monitor
*mon
, const QDict
*qdict
)
1706 hwaddr addr
= qdict_get_int(qdict
, "addr");
1707 Error
*local_err
= NULL
;
1708 MemoryRegion
*mr
= NULL
;
1711 ptr
= gpa2hva(&mr
, addr
, &local_err
);
1713 error_report_err(local_err
);
1717 monitor_printf(mon
, "Host virtual address for 0x%" HWADDR_PRIx
1719 addr
, mr
->name
, ptr
);
1721 memory_region_unref(mr
);
1725 static uint64_t vtop(void *ptr
, Error
**errp
)
1729 uintptr_t addr
= (uintptr_t) ptr
;
1730 uintptr_t pagesize
= getpagesize();
1731 off_t offset
= addr
/ pagesize
* sizeof(pinfo
);
1734 fd
= open("/proc/self/pagemap", O_RDONLY
);
1736 error_setg_errno(errp
, errno
, "Cannot open /proc/self/pagemap");
1740 /* Force copy-on-write if necessary. */
1741 atomic_add((uint8_t *)ptr
, 0);
1743 if (pread(fd
, &pinfo
, sizeof(pinfo
), offset
) != sizeof(pinfo
)) {
1744 error_setg_errno(errp
, errno
, "Cannot read pagemap");
1747 if ((pinfo
& (1ull << 63)) == 0) {
1748 error_setg(errp
, "Page not present");
1751 ret
= ((pinfo
& 0x007fffffffffffffull
) * pagesize
) | (addr
& (pagesize
- 1));
1758 static void hmp_gpa2hpa(Monitor
*mon
, const QDict
*qdict
)
1760 hwaddr addr
= qdict_get_int(qdict
, "addr");
1761 Error
*local_err
= NULL
;
1762 MemoryRegion
*mr
= NULL
;
1766 ptr
= gpa2hva(&mr
, addr
, &local_err
);
1768 error_report_err(local_err
);
1772 physaddr
= vtop(ptr
, &local_err
);
1774 error_report_err(local_err
);
1776 monitor_printf(mon
, "Host physical address for 0x%" HWADDR_PRIx
1777 " (%s) is 0x%" PRIx64
"\n",
1778 addr
, mr
->name
, (uint64_t) physaddr
);
1781 memory_region_unref(mr
);
1785 static void do_print(Monitor
*mon
, const QDict
*qdict
)
1787 int format
= qdict_get_int(qdict
, "format");
1788 hwaddr val
= qdict_get_int(qdict
, "val");
1792 monitor_printf(mon
, "%#" HWADDR_PRIo
, val
);
1795 monitor_printf(mon
, "%#" HWADDR_PRIx
, val
);
1798 monitor_printf(mon
, "%" HWADDR_PRIu
, val
);
1802 monitor_printf(mon
, "%" HWADDR_PRId
, val
);
1805 monitor_printc(mon
, val
);
1808 monitor_printf(mon
, "\n");
1811 static void hmp_sum(Monitor
*mon
, const QDict
*qdict
)
1815 uint32_t start
= qdict_get_int(qdict
, "start");
1816 uint32_t size
= qdict_get_int(qdict
, "size");
1819 for(addr
= start
; addr
< (start
+ size
); addr
++) {
1820 uint8_t val
= address_space_ldub(&address_space_memory
, addr
,
1821 MEMTXATTRS_UNSPECIFIED
, NULL
);
1822 /* BSD sum algorithm ('sum' Unix command) */
1823 sum
= (sum
>> 1) | (sum
<< 15);
1826 monitor_printf(mon
, "%05d\n", sum
);
1829 static int mouse_button_state
;
1831 static void hmp_mouse_move(Monitor
*mon
, const QDict
*qdict
)
1833 int dx
, dy
, dz
, button
;
1834 const char *dx_str
= qdict_get_str(qdict
, "dx_str");
1835 const char *dy_str
= qdict_get_str(qdict
, "dy_str");
1836 const char *dz_str
= qdict_get_try_str(qdict
, "dz_str");
1838 dx
= strtol(dx_str
, NULL
, 0);
1839 dy
= strtol(dy_str
, NULL
, 0);
1840 qemu_input_queue_rel(NULL
, INPUT_AXIS_X
, dx
);
1841 qemu_input_queue_rel(NULL
, INPUT_AXIS_Y
, dy
);
1844 dz
= strtol(dz_str
, NULL
, 0);
1846 button
= (dz
> 0) ? INPUT_BUTTON_WHEEL_UP
: INPUT_BUTTON_WHEEL_DOWN
;
1847 qemu_input_queue_btn(NULL
, button
, true);
1848 qemu_input_event_sync();
1849 qemu_input_queue_btn(NULL
, button
, false);
1852 qemu_input_event_sync();
1855 static void hmp_mouse_button(Monitor
*mon
, const QDict
*qdict
)
1857 static uint32_t bmap
[INPUT_BUTTON__MAX
] = {
1858 [INPUT_BUTTON_LEFT
] = MOUSE_EVENT_LBUTTON
,
1859 [INPUT_BUTTON_MIDDLE
] = MOUSE_EVENT_MBUTTON
,
1860 [INPUT_BUTTON_RIGHT
] = MOUSE_EVENT_RBUTTON
,
1862 int button_state
= qdict_get_int(qdict
, "button_state");
1864 if (mouse_button_state
== button_state
) {
1867 qemu_input_update_buttons(NULL
, bmap
, mouse_button_state
, button_state
);
1868 qemu_input_event_sync();
1869 mouse_button_state
= button_state
;
1872 static void hmp_ioport_read(Monitor
*mon
, const QDict
*qdict
)
1874 int size
= qdict_get_int(qdict
, "size");
1875 int addr
= qdict_get_int(qdict
, "addr");
1876 int has_index
= qdict_haskey(qdict
, "index");
1881 int index
= qdict_get_int(qdict
, "index");
1882 cpu_outb(addr
& IOPORTS_MASK
, index
& 0xff);
1890 val
= cpu_inb(addr
);
1894 val
= cpu_inw(addr
);
1898 val
= cpu_inl(addr
);
1902 monitor_printf(mon
, "port%c[0x%04x] = %#0*x\n",
1903 suffix
, addr
, size
* 2, val
);
1906 static void hmp_ioport_write(Monitor
*mon
, const QDict
*qdict
)
1908 int size
= qdict_get_int(qdict
, "size");
1909 int addr
= qdict_get_int(qdict
, "addr");
1910 int val
= qdict_get_int(qdict
, "val");
1912 addr
&= IOPORTS_MASK
;
1917 cpu_outb(addr
, val
);
1920 cpu_outw(addr
, val
);
1923 cpu_outl(addr
, val
);
1928 static void hmp_boot_set(Monitor
*mon
, const QDict
*qdict
)
1930 Error
*local_err
= NULL
;
1931 const char *bootdevice
= qdict_get_str(qdict
, "bootdevice");
1933 qemu_boot_set(bootdevice
, &local_err
);
1935 error_report_err(local_err
);
1937 monitor_printf(mon
, "boot device list now set to %s\n", bootdevice
);
1941 static void hmp_info_mtree(Monitor
*mon
, const QDict
*qdict
)
1943 bool flatview
= qdict_get_try_bool(qdict
, "flatview", false);
1944 bool dispatch_tree
= qdict_get_try_bool(qdict
, "dispatch_tree", false);
1945 bool owner
= qdict_get_try_bool(qdict
, "owner", false);
1947 mtree_info((fprintf_function
)monitor_printf
, mon
, flatview
, dispatch_tree
,
1951 static void hmp_info_numa(Monitor
*mon
, const QDict
*qdict
)
1954 NumaNodeMem
*node_mem
;
1955 CpuInfoList
*cpu_list
, *cpu
;
1957 cpu_list
= qmp_query_cpus(&error_abort
);
1958 node_mem
= g_new0(NumaNodeMem
, nb_numa_nodes
);
1960 query_numa_node_mem(node_mem
);
1961 monitor_printf(mon
, "%d nodes\n", nb_numa_nodes
);
1962 for (i
= 0; i
< nb_numa_nodes
; i
++) {
1963 monitor_printf(mon
, "node %d cpus:", i
);
1964 for (cpu
= cpu_list
; cpu
; cpu
= cpu
->next
) {
1965 if (cpu
->value
->has_props
&& cpu
->value
->props
->has_node_id
&&
1966 cpu
->value
->props
->node_id
== i
) {
1967 monitor_printf(mon
, " %" PRIi64
, cpu
->value
->CPU
);
1970 monitor_printf(mon
, "\n");
1971 monitor_printf(mon
, "node %d size: %" PRId64
" MB\n", i
,
1972 node_mem
[i
].node_mem
>> 20);
1973 monitor_printf(mon
, "node %d plugged: %" PRId64
" MB\n", i
,
1974 node_mem
[i
].node_plugged_mem
>> 20);
1976 qapi_free_CpuInfoList(cpu_list
);
1980 #ifdef CONFIG_PROFILER
1984 static void hmp_info_profile(Monitor
*mon
, const QDict
*qdict
)
1986 static int64_t last_cpu_exec_time
;
1987 int64_t cpu_exec_time
;
1990 cpu_exec_time
= tcg_cpu_exec_time();
1991 delta
= cpu_exec_time
- last_cpu_exec_time
;
1993 monitor_printf(mon
, "async time %" PRId64
" (%0.3f)\n",
1994 dev_time
, dev_time
/ (double)NANOSECONDS_PER_SECOND
);
1995 monitor_printf(mon
, "qemu time %" PRId64
" (%0.3f)\n",
1996 delta
, delta
/ (double)NANOSECONDS_PER_SECOND
);
1997 last_cpu_exec_time
= cpu_exec_time
;
2001 static void hmp_info_profile(Monitor
*mon
, const QDict
*qdict
)
2003 monitor_printf(mon
, "Internal profiler not compiled\n");
2007 /* Capture support */
2008 static QLIST_HEAD (capture_list_head
, CaptureState
) capture_head
;
2010 static void hmp_info_capture(Monitor
*mon
, const QDict
*qdict
)
2015 for (s
= capture_head
.lh_first
, i
= 0; s
; s
= s
->entries
.le_next
, ++i
) {
2016 monitor_printf(mon
, "[%d]: ", i
);
2017 s
->ops
.info (s
->opaque
);
2021 static void hmp_stopcapture(Monitor
*mon
, const QDict
*qdict
)
2024 int n
= qdict_get_int(qdict
, "n");
2027 for (s
= capture_head
.lh_first
, i
= 0; s
; s
= s
->entries
.le_next
, ++i
) {
2029 s
->ops
.destroy (s
->opaque
);
2030 QLIST_REMOVE (s
, entries
);
2037 static void hmp_wavcapture(Monitor
*mon
, const QDict
*qdict
)
2039 const char *path
= qdict_get_str(qdict
, "path");
2040 int has_freq
= qdict_haskey(qdict
, "freq");
2041 int freq
= qdict_get_try_int(qdict
, "freq", -1);
2042 int has_bits
= qdict_haskey(qdict
, "bits");
2043 int bits
= qdict_get_try_int(qdict
, "bits", -1);
2044 int has_channels
= qdict_haskey(qdict
, "nchannels");
2045 int nchannels
= qdict_get_try_int(qdict
, "nchannels", -1);
2048 s
= g_malloc0 (sizeof (*s
));
2050 freq
= has_freq
? freq
: 44100;
2051 bits
= has_bits
? bits
: 16;
2052 nchannels
= has_channels
? nchannels
: 2;
2054 if (wav_start_capture (s
, path
, freq
, bits
, nchannels
)) {
2055 monitor_printf(mon
, "Failed to add wave capture\n");
2059 QLIST_INSERT_HEAD (&capture_head
, s
, entries
);
2062 static qemu_acl
*find_acl(Monitor
*mon
, const char *name
)
2064 qemu_acl
*acl
= qemu_acl_find(name
);
2067 monitor_printf(mon
, "acl: unknown list '%s'\n", name
);
2072 static void hmp_acl_show(Monitor
*mon
, const QDict
*qdict
)
2074 const char *aclname
= qdict_get_str(qdict
, "aclname");
2075 qemu_acl
*acl
= find_acl(mon
, aclname
);
2076 qemu_acl_entry
*entry
;
2080 monitor_printf(mon
, "policy: %s\n",
2081 acl
->defaultDeny
? "deny" : "allow");
2082 QTAILQ_FOREACH(entry
, &acl
->entries
, next
) {
2084 monitor_printf(mon
, "%d: %s %s\n", i
,
2085 entry
->deny
? "deny" : "allow", entry
->match
);
2090 static void hmp_acl_reset(Monitor
*mon
, const QDict
*qdict
)
2092 const char *aclname
= qdict_get_str(qdict
, "aclname");
2093 qemu_acl
*acl
= find_acl(mon
, aclname
);
2096 qemu_acl_reset(acl
);
2097 monitor_printf(mon
, "acl: removed all rules\n");
2101 static void hmp_acl_policy(Monitor
*mon
, const QDict
*qdict
)
2103 const char *aclname
= qdict_get_str(qdict
, "aclname");
2104 const char *policy
= qdict_get_str(qdict
, "policy");
2105 qemu_acl
*acl
= find_acl(mon
, aclname
);
2108 if (strcmp(policy
, "allow") == 0) {
2109 acl
->defaultDeny
= 0;
2110 monitor_printf(mon
, "acl: policy set to 'allow'\n");
2111 } else if (strcmp(policy
, "deny") == 0) {
2112 acl
->defaultDeny
= 1;
2113 monitor_printf(mon
, "acl: policy set to 'deny'\n");
2115 monitor_printf(mon
, "acl: unknown policy '%s', "
2116 "expected 'deny' or 'allow'\n", policy
);
2121 static void hmp_acl_add(Monitor
*mon
, const QDict
*qdict
)
2123 const char *aclname
= qdict_get_str(qdict
, "aclname");
2124 const char *match
= qdict_get_str(qdict
, "match");
2125 const char *policy
= qdict_get_str(qdict
, "policy");
2126 int has_index
= qdict_haskey(qdict
, "index");
2127 int index
= qdict_get_try_int(qdict
, "index", -1);
2128 qemu_acl
*acl
= find_acl(mon
, aclname
);
2132 if (strcmp(policy
, "allow") == 0) {
2134 } else if (strcmp(policy
, "deny") == 0) {
2137 monitor_printf(mon
, "acl: unknown policy '%s', "
2138 "expected 'deny' or 'allow'\n", policy
);
2142 ret
= qemu_acl_insert(acl
, deny
, match
, index
);
2144 ret
= qemu_acl_append(acl
, deny
, match
);
2146 monitor_printf(mon
, "acl: unable to add acl entry\n");
2148 monitor_printf(mon
, "acl: added rule at position %d\n", ret
);
2152 static void hmp_acl_remove(Monitor
*mon
, const QDict
*qdict
)
2154 const char *aclname
= qdict_get_str(qdict
, "aclname");
2155 const char *match
= qdict_get_str(qdict
, "match");
2156 qemu_acl
*acl
= find_acl(mon
, aclname
);
2160 ret
= qemu_acl_remove(acl
, match
);
2162 monitor_printf(mon
, "acl: no matching acl entry\n");
2164 monitor_printf(mon
, "acl: removed rule at position %d\n", ret
);
2168 void qmp_getfd(const char *fdname
, Error
**errp
)
2173 fd
= qemu_chr_fe_get_msgfd(&cur_mon
->chr
);
2175 error_setg(errp
, QERR_FD_NOT_SUPPLIED
);
2179 if (qemu_isdigit(fdname
[0])) {
2181 error_setg(errp
, QERR_INVALID_PARAMETER_VALUE
, "fdname",
2182 "a name not starting with a digit");
2186 qemu_mutex_lock(&cur_mon
->mon_lock
);
2187 QLIST_FOREACH(monfd
, &cur_mon
->fds
, next
) {
2188 if (strcmp(monfd
->name
, fdname
) != 0) {
2194 qemu_mutex_unlock(&cur_mon
->mon_lock
);
2195 /* Make sure close() is outside critical section */
2200 monfd
= g_malloc0(sizeof(mon_fd_t
));
2201 monfd
->name
= g_strdup(fdname
);
2204 QLIST_INSERT_HEAD(&cur_mon
->fds
, monfd
, next
);
2205 qemu_mutex_unlock(&cur_mon
->mon_lock
);
2208 void qmp_closefd(const char *fdname
, Error
**errp
)
2213 qemu_mutex_lock(&cur_mon
->mon_lock
);
2214 QLIST_FOREACH(monfd
, &cur_mon
->fds
, next
) {
2215 if (strcmp(monfd
->name
, fdname
) != 0) {
2219 QLIST_REMOVE(monfd
, next
);
2221 g_free(monfd
->name
);
2223 qemu_mutex_unlock(&cur_mon
->mon_lock
);
2224 /* Make sure close() is outside critical section */
2229 qemu_mutex_unlock(&cur_mon
->mon_lock
);
2230 error_setg(errp
, QERR_FD_NOT_FOUND
, fdname
);
2233 int monitor_get_fd(Monitor
*mon
, const char *fdname
, Error
**errp
)
2237 qemu_mutex_lock(&mon
->mon_lock
);
2238 QLIST_FOREACH(monfd
, &mon
->fds
, next
) {
2241 if (strcmp(monfd
->name
, fdname
) != 0) {
2247 /* caller takes ownership of fd */
2248 QLIST_REMOVE(monfd
, next
);
2249 g_free(monfd
->name
);
2251 qemu_mutex_unlock(&mon
->mon_lock
);
2256 qemu_mutex_unlock(&mon
->mon_lock
);
2257 error_setg(errp
, "File descriptor named '%s' has not been found", fdname
);
2261 static void monitor_fdset_cleanup(MonFdset
*mon_fdset
)
2263 MonFdsetFd
*mon_fdset_fd
;
2264 MonFdsetFd
*mon_fdset_fd_next
;
2266 QLIST_FOREACH_SAFE(mon_fdset_fd
, &mon_fdset
->fds
, next
, mon_fdset_fd_next
) {
2267 if ((mon_fdset_fd
->removed
||
2268 (QLIST_EMPTY(&mon_fdset
->dup_fds
) && mon_refcount
== 0)) &&
2269 runstate_is_running()) {
2270 close(mon_fdset_fd
->fd
);
2271 g_free(mon_fdset_fd
->opaque
);
2272 QLIST_REMOVE(mon_fdset_fd
, next
);
2273 g_free(mon_fdset_fd
);
2277 if (QLIST_EMPTY(&mon_fdset
->fds
) && QLIST_EMPTY(&mon_fdset
->dup_fds
)) {
2278 QLIST_REMOVE(mon_fdset
, next
);
2283 static void monitor_fdsets_cleanup(void)
2285 MonFdset
*mon_fdset
;
2286 MonFdset
*mon_fdset_next
;
2288 qemu_mutex_lock(&mon_fdsets_lock
);
2289 QLIST_FOREACH_SAFE(mon_fdset
, &mon_fdsets
, next
, mon_fdset_next
) {
2290 monitor_fdset_cleanup(mon_fdset
);
2292 qemu_mutex_unlock(&mon_fdsets_lock
);
2295 AddfdInfo
*qmp_add_fd(bool has_fdset_id
, int64_t fdset_id
, bool has_opaque
,
2296 const char *opaque
, Error
**errp
)
2299 Monitor
*mon
= cur_mon
;
2302 fd
= qemu_chr_fe_get_msgfd(&mon
->chr
);
2304 error_setg(errp
, QERR_FD_NOT_SUPPLIED
);
2308 fdinfo
= monitor_fdset_add_fd(fd
, has_fdset_id
, fdset_id
,
2309 has_opaque
, opaque
, errp
);
2321 void qmp_remove_fd(int64_t fdset_id
, bool has_fd
, int64_t fd
, Error
**errp
)
2323 MonFdset
*mon_fdset
;
2324 MonFdsetFd
*mon_fdset_fd
;
2327 qemu_mutex_lock(&mon_fdsets_lock
);
2328 QLIST_FOREACH(mon_fdset
, &mon_fdsets
, next
) {
2329 if (mon_fdset
->id
!= fdset_id
) {
2332 QLIST_FOREACH(mon_fdset_fd
, &mon_fdset
->fds
, next
) {
2334 if (mon_fdset_fd
->fd
!= fd
) {
2337 mon_fdset_fd
->removed
= true;
2340 mon_fdset_fd
->removed
= true;
2343 if (has_fd
&& !mon_fdset_fd
) {
2346 monitor_fdset_cleanup(mon_fdset
);
2347 qemu_mutex_unlock(&mon_fdsets_lock
);
2352 qemu_mutex_unlock(&mon_fdsets_lock
);
2354 snprintf(fd_str
, sizeof(fd_str
), "fdset-id:%" PRId64
", fd:%" PRId64
,
2357 snprintf(fd_str
, sizeof(fd_str
), "fdset-id:%" PRId64
, fdset_id
);
2359 error_setg(errp
, QERR_FD_NOT_FOUND
, fd_str
);
2362 FdsetInfoList
*qmp_query_fdsets(Error
**errp
)
2364 MonFdset
*mon_fdset
;
2365 MonFdsetFd
*mon_fdset_fd
;
2366 FdsetInfoList
*fdset_list
= NULL
;
2368 qemu_mutex_lock(&mon_fdsets_lock
);
2369 QLIST_FOREACH(mon_fdset
, &mon_fdsets
, next
) {
2370 FdsetInfoList
*fdset_info
= g_malloc0(sizeof(*fdset_info
));
2371 FdsetFdInfoList
*fdsetfd_list
= NULL
;
2373 fdset_info
->value
= g_malloc0(sizeof(*fdset_info
->value
));
2374 fdset_info
->value
->fdset_id
= mon_fdset
->id
;
2376 QLIST_FOREACH(mon_fdset_fd
, &mon_fdset
->fds
, next
) {
2377 FdsetFdInfoList
*fdsetfd_info
;
2379 fdsetfd_info
= g_malloc0(sizeof(*fdsetfd_info
));
2380 fdsetfd_info
->value
= g_malloc0(sizeof(*fdsetfd_info
->value
));
2381 fdsetfd_info
->value
->fd
= mon_fdset_fd
->fd
;
2382 if (mon_fdset_fd
->opaque
) {
2383 fdsetfd_info
->value
->has_opaque
= true;
2384 fdsetfd_info
->value
->opaque
= g_strdup(mon_fdset_fd
->opaque
);
2386 fdsetfd_info
->value
->has_opaque
= false;
2389 fdsetfd_info
->next
= fdsetfd_list
;
2390 fdsetfd_list
= fdsetfd_info
;
2393 fdset_info
->value
->fds
= fdsetfd_list
;
2395 fdset_info
->next
= fdset_list
;
2396 fdset_list
= fdset_info
;
2398 qemu_mutex_unlock(&mon_fdsets_lock
);
2403 AddfdInfo
*monitor_fdset_add_fd(int fd
, bool has_fdset_id
, int64_t fdset_id
,
2404 bool has_opaque
, const char *opaque
,
2407 MonFdset
*mon_fdset
= NULL
;
2408 MonFdsetFd
*mon_fdset_fd
;
2411 qemu_mutex_lock(&mon_fdsets_lock
);
2413 QLIST_FOREACH(mon_fdset
, &mon_fdsets
, next
) {
2414 /* Break if match found or match impossible due to ordering by ID */
2415 if (fdset_id
<= mon_fdset
->id
) {
2416 if (fdset_id
< mon_fdset
->id
) {
2424 if (mon_fdset
== NULL
) {
2425 int64_t fdset_id_prev
= -1;
2426 MonFdset
*mon_fdset_cur
= QLIST_FIRST(&mon_fdsets
);
2430 error_setg(errp
, QERR_INVALID_PARAMETER_VALUE
, "fdset-id",
2431 "a non-negative value");
2432 qemu_mutex_unlock(&mon_fdsets_lock
);
2435 /* Use specified fdset ID */
2436 QLIST_FOREACH(mon_fdset
, &mon_fdsets
, next
) {
2437 mon_fdset_cur
= mon_fdset
;
2438 if (fdset_id
< mon_fdset_cur
->id
) {
2443 /* Use first available fdset ID */
2444 QLIST_FOREACH(mon_fdset
, &mon_fdsets
, next
) {
2445 mon_fdset_cur
= mon_fdset
;
2446 if (fdset_id_prev
== mon_fdset_cur
->id
- 1) {
2447 fdset_id_prev
= mon_fdset_cur
->id
;
2454 mon_fdset
= g_malloc0(sizeof(*mon_fdset
));
2456 mon_fdset
->id
= fdset_id
;
2458 mon_fdset
->id
= fdset_id_prev
+ 1;
2461 /* The fdset list is ordered by fdset ID */
2462 if (!mon_fdset_cur
) {
2463 QLIST_INSERT_HEAD(&mon_fdsets
, mon_fdset
, next
);
2464 } else if (mon_fdset
->id
< mon_fdset_cur
->id
) {
2465 QLIST_INSERT_BEFORE(mon_fdset_cur
, mon_fdset
, next
);
2467 QLIST_INSERT_AFTER(mon_fdset_cur
, mon_fdset
, next
);
2471 mon_fdset_fd
= g_malloc0(sizeof(*mon_fdset_fd
));
2472 mon_fdset_fd
->fd
= fd
;
2473 mon_fdset_fd
->removed
= false;
2475 mon_fdset_fd
->opaque
= g_strdup(opaque
);
2477 QLIST_INSERT_HEAD(&mon_fdset
->fds
, mon_fdset_fd
, next
);
2479 fdinfo
= g_malloc0(sizeof(*fdinfo
));
2480 fdinfo
->fdset_id
= mon_fdset
->id
;
2481 fdinfo
->fd
= mon_fdset_fd
->fd
;
2483 qemu_mutex_unlock(&mon_fdsets_lock
);
2487 int monitor_fdset_get_fd(int64_t fdset_id
, int flags
)
2492 MonFdset
*mon_fdset
;
2493 MonFdsetFd
*mon_fdset_fd
;
2497 qemu_mutex_lock(&mon_fdsets_lock
);
2498 QLIST_FOREACH(mon_fdset
, &mon_fdsets
, next
) {
2499 if (mon_fdset
->id
!= fdset_id
) {
2502 QLIST_FOREACH(mon_fdset_fd
, &mon_fdset
->fds
, next
) {
2503 mon_fd_flags
= fcntl(mon_fdset_fd
->fd
, F_GETFL
);
2504 if (mon_fd_flags
== -1) {
2509 if ((flags
& O_ACCMODE
) == (mon_fd_flags
& O_ACCMODE
)) {
2510 ret
= mon_fdset_fd
->fd
;
2520 qemu_mutex_unlock(&mon_fdsets_lock
);
2525 int monitor_fdset_dup_fd_add(int64_t fdset_id
, int dup_fd
)
2527 MonFdset
*mon_fdset
;
2528 MonFdsetFd
*mon_fdset_fd_dup
;
2530 qemu_mutex_lock(&mon_fdsets_lock
);
2531 QLIST_FOREACH(mon_fdset
, &mon_fdsets
, next
) {
2532 if (mon_fdset
->id
!= fdset_id
) {
2535 QLIST_FOREACH(mon_fdset_fd_dup
, &mon_fdset
->dup_fds
, next
) {
2536 if (mon_fdset_fd_dup
->fd
== dup_fd
) {
2540 mon_fdset_fd_dup
= g_malloc0(sizeof(*mon_fdset_fd_dup
));
2541 mon_fdset_fd_dup
->fd
= dup_fd
;
2542 QLIST_INSERT_HEAD(&mon_fdset
->dup_fds
, mon_fdset_fd_dup
, next
);
2543 qemu_mutex_unlock(&mon_fdsets_lock
);
2548 qemu_mutex_unlock(&mon_fdsets_lock
);
2552 static int monitor_fdset_dup_fd_find_remove(int dup_fd
, bool remove
)
2554 MonFdset
*mon_fdset
;
2555 MonFdsetFd
*mon_fdset_fd_dup
;
2557 qemu_mutex_lock(&mon_fdsets_lock
);
2558 QLIST_FOREACH(mon_fdset
, &mon_fdsets
, next
) {
2559 QLIST_FOREACH(mon_fdset_fd_dup
, &mon_fdset
->dup_fds
, next
) {
2560 if (mon_fdset_fd_dup
->fd
== dup_fd
) {
2562 QLIST_REMOVE(mon_fdset_fd_dup
, next
);
2563 if (QLIST_EMPTY(&mon_fdset
->dup_fds
)) {
2564 monitor_fdset_cleanup(mon_fdset
);
2568 qemu_mutex_unlock(&mon_fdsets_lock
);
2569 return mon_fdset
->id
;
2576 qemu_mutex_unlock(&mon_fdsets_lock
);
2580 int monitor_fdset_dup_fd_find(int dup_fd
)
2582 return monitor_fdset_dup_fd_find_remove(dup_fd
, false);
2585 void monitor_fdset_dup_fd_remove(int dup_fd
)
2587 monitor_fdset_dup_fd_find_remove(dup_fd
, true);
2590 int monitor_fd_param(Monitor
*mon
, const char *fdname
, Error
**errp
)
2593 Error
*local_err
= NULL
;
2595 if (!qemu_isdigit(fdname
[0]) && mon
) {
2596 fd
= monitor_get_fd(mon
, fdname
, &local_err
);
2598 fd
= qemu_parse_fd(fdname
);
2600 error_setg(&local_err
, "Invalid file descriptor number '%s'",
2605 error_propagate(errp
, local_err
);
2614 /* Please update hmp-commands.hx when adding or changing commands */
2615 static mon_cmd_t info_cmds
[] = {
2616 #include "hmp-commands-info.h"
2620 /* mon_cmds and info_cmds would be sorted at runtime */
2621 static mon_cmd_t mon_cmds
[] = {
2622 #include "hmp-commands.h"
2626 /*******************************************************************/
2628 static const char *pch
;
2629 static sigjmp_buf expr_env
;
2632 static void GCC_FMT_ATTR(2, 3) QEMU_NORETURN
2633 expr_error(Monitor
*mon
, const char *fmt
, ...)
2637 monitor_vprintf(mon
, fmt
, ap
);
2638 monitor_printf(mon
, "\n");
2640 siglongjmp(expr_env
, 1);
2643 /* return 0 if OK, -1 if not found */
2644 static int get_monitor_def(target_long
*pval
, const char *name
)
2646 const MonitorDef
*md
= target_monitor_defs();
2647 CPUState
*cs
= mon_get_cpu();
2652 if (cs
== NULL
|| md
== NULL
) {
2656 for(; md
->name
!= NULL
; md
++) {
2657 if (compare_cmd(name
, md
->name
)) {
2658 if (md
->get_value
) {
2659 *pval
= md
->get_value(md
, md
->offset
);
2661 CPUArchState
*env
= mon_get_cpu_env();
2662 ptr
= (uint8_t *)env
+ md
->offset
;
2665 *pval
= *(int32_t *)ptr
;
2668 *pval
= *(target_long
*)ptr
;
2679 ret
= target_get_monitor_def(cs
, name
, &tmp
);
2681 *pval
= (target_long
) tmp
;
2687 static void next(void)
2691 while (qemu_isspace(*pch
))
2696 static int64_t expr_sum(Monitor
*mon
);
2698 static int64_t expr_unary(Monitor
*mon
)
2707 n
= expr_unary(mon
);
2711 n
= -expr_unary(mon
);
2715 n
= ~expr_unary(mon
);
2721 expr_error(mon
, "')' expected");
2728 expr_error(mon
, "character constant expected");
2732 expr_error(mon
, "missing terminating \' character");
2742 while ((*pch
>= 'a' && *pch
<= 'z') ||
2743 (*pch
>= 'A' && *pch
<= 'Z') ||
2744 (*pch
>= '0' && *pch
<= '9') ||
2745 *pch
== '_' || *pch
== '.') {
2746 if ((q
- buf
) < sizeof(buf
) - 1)
2750 while (qemu_isspace(*pch
))
2753 ret
= get_monitor_def(®
, buf
);
2755 expr_error(mon
, "unknown register");
2760 expr_error(mon
, "unexpected end of expression");
2765 n
= strtoull(pch
, &p
, 0);
2766 if (errno
== ERANGE
) {
2767 expr_error(mon
, "number too large");
2770 expr_error(mon
, "invalid char '%c' in expression", *p
);
2773 while (qemu_isspace(*pch
))
2781 static int64_t expr_prod(Monitor
*mon
)
2786 val
= expr_unary(mon
);
2789 if (op
!= '*' && op
!= '/' && op
!= '%')
2792 val2
= expr_unary(mon
);
2801 expr_error(mon
, "division by zero");
2812 static int64_t expr_logic(Monitor
*mon
)
2817 val
= expr_prod(mon
);
2820 if (op
!= '&' && op
!= '|' && op
!= '^')
2823 val2
= expr_prod(mon
);
2840 static int64_t expr_sum(Monitor
*mon
)
2845 val
= expr_logic(mon
);
2848 if (op
!= '+' && op
!= '-')
2851 val2
= expr_logic(mon
);
2860 static int get_expr(Monitor
*mon
, int64_t *pval
, const char **pp
)
2863 if (sigsetjmp(expr_env
, 0)) {
2867 while (qemu_isspace(*pch
))
2869 *pval
= expr_sum(mon
);
2874 static int get_double(Monitor
*mon
, double *pval
, const char **pp
)
2876 const char *p
= *pp
;
2880 d
= strtod(p
, &tailp
);
2882 monitor_printf(mon
, "Number expected\n");
2885 if (d
!= d
|| d
- d
!= 0) {
2886 /* NaN or infinity */
2887 monitor_printf(mon
, "Bad number\n");
2896 * Store the command-name in cmdname, and return a pointer to
2897 * the remaining of the command string.
2899 static const char *get_command_name(const char *cmdline
,
2900 char *cmdname
, size_t nlen
)
2903 const char *p
, *pstart
;
2906 while (qemu_isspace(*p
))
2911 while (*p
!= '\0' && *p
!= '/' && !qemu_isspace(*p
))
2916 memcpy(cmdname
, pstart
, len
);
2917 cmdname
[len
] = '\0';
2922 * Read key of 'type' into 'key' and return the current
2925 static char *key_get_info(const char *type
, char **key
)
2933 p
= strchr(type
, ':');
2940 str
= g_malloc(len
+ 1);
2941 memcpy(str
, type
, len
);
2948 static int default_fmt_format
= 'x';
2949 static int default_fmt_size
= 4;
2951 static int is_valid_option(const char *c
, const char *typestr
)
2959 typestr
= strstr(typestr
, option
);
2960 return (typestr
!= NULL
);
2963 static const mon_cmd_t
*search_dispatch_table(const mon_cmd_t
*disp_table
,
2964 const char *cmdname
)
2966 const mon_cmd_t
*cmd
;
2968 for (cmd
= disp_table
; cmd
->name
!= NULL
; cmd
++) {
2969 if (compare_cmd(cmdname
, cmd
->name
)) {
2978 * Parse command name from @cmdp according to command table @table.
2979 * If blank, return NULL.
2980 * Else, if no valid command can be found, report to @mon, and return
2982 * Else, change @cmdp to point right behind the name, and return its
2983 * command table entry.
2984 * Do not assume the return value points into @table! It doesn't when
2985 * the command is found in a sub-command table.
2987 static const mon_cmd_t
*monitor_parse_command(Monitor
*mon
,
2988 const char *cmdp_start
,
2993 const mon_cmd_t
*cmd
;
2996 /* extract the command name */
2997 p
= get_command_name(*cmdp
, cmdname
, sizeof(cmdname
));
3001 cmd
= search_dispatch_table(table
, cmdname
);
3003 monitor_printf(mon
, "unknown command: '%.*s'\n",
3004 (int)(p
- cmdp_start
), cmdp_start
);
3007 if (runstate_check(RUN_STATE_PRECONFIG
) && !cmd_can_preconfig(cmd
)) {
3008 monitor_printf(mon
, "Command '%.*s' not available with -preconfig "
3009 "until after exit_preconfig.\n",
3010 (int)(p
- cmdp_start
), cmdp_start
);
3014 /* filter out following useless space */
3015 while (qemu_isspace(*p
)) {
3020 /* search sub command */
3021 if (cmd
->sub_table
!= NULL
&& *p
!= '\0') {
3022 return monitor_parse_command(mon
, cmdp_start
, cmdp
, cmd
->sub_table
);
3029 * Parse arguments for @cmd.
3030 * If it can't be parsed, report to @mon, and return NULL.
3031 * Else, insert command arguments into a QDict, and return it.
3032 * Note: On success, caller has to free the QDict structure.
3035 static QDict
*monitor_parse_arguments(Monitor
*mon
,
3037 const mon_cmd_t
*cmd
)
3039 const char *typestr
;
3042 const char *p
= *endp
;
3044 QDict
*qdict
= qdict_new();
3046 /* parse the parameters */
3047 typestr
= cmd
->args_type
;
3049 typestr
= key_get_info(typestr
, &key
);
3061 while (qemu_isspace(*p
))
3063 if (*typestr
== '?') {
3066 /* no optional string: NULL argument */
3070 ret
= get_str(buf
, sizeof(buf
), &p
);
3074 monitor_printf(mon
, "%s: filename expected\n",
3078 monitor_printf(mon
, "%s: block device name expected\n",
3082 monitor_printf(mon
, "%s: string expected\n", cmd
->name
);
3087 qdict_put_str(qdict
, key
, buf
);
3092 QemuOptsList
*opts_list
;
3095 opts_list
= qemu_find_opts(key
);
3096 if (!opts_list
|| opts_list
->desc
->name
) {
3099 while (qemu_isspace(*p
)) {
3104 if (get_str(buf
, sizeof(buf
), &p
) < 0) {
3107 opts
= qemu_opts_parse_noisily(opts_list
, buf
, true);
3111 qemu_opts_to_qdict(opts
, qdict
);
3112 qemu_opts_del(opts
);
3117 int count
, format
, size
;
3119 while (qemu_isspace(*p
))
3125 if (qemu_isdigit(*p
)) {
3127 while (qemu_isdigit(*p
)) {
3128 count
= count
* 10 + (*p
- '0');
3166 if (*p
!= '\0' && !qemu_isspace(*p
)) {
3167 monitor_printf(mon
, "invalid char in format: '%c'\n",
3172 format
= default_fmt_format
;
3173 if (format
!= 'i') {
3174 /* for 'i', not specifying a size gives -1 as size */
3176 size
= default_fmt_size
;
3177 default_fmt_size
= size
;
3179 default_fmt_format
= format
;
3182 format
= default_fmt_format
;
3183 if (format
!= 'i') {
3184 size
= default_fmt_size
;
3189 qdict_put_int(qdict
, "count", count
);
3190 qdict_put_int(qdict
, "format", format
);
3191 qdict_put_int(qdict
, "size", size
);
3200 while (qemu_isspace(*p
))
3202 if (*typestr
== '?' || *typestr
== '.') {
3203 if (*typestr
== '?') {
3211 while (qemu_isspace(*p
))
3220 if (get_expr(mon
, &val
, &p
))
3222 /* Check if 'i' is greater than 32-bit */
3223 if ((c
== 'i') && ((val
>> 32) & 0xffffffff)) {
3224 monitor_printf(mon
, "\'%s\' has failed: ", cmd
->name
);
3225 monitor_printf(mon
, "integer is for 32-bit values\n");
3227 } else if (c
== 'M') {
3229 monitor_printf(mon
, "enter a positive value\n");
3234 qdict_put_int(qdict
, key
, val
);
3243 while (qemu_isspace(*p
)) {
3246 if (*typestr
== '?') {
3252 ret
= qemu_strtosz_MiB(p
, &end
, &val
);
3253 if (ret
< 0 || val
> INT64_MAX
) {
3254 monitor_printf(mon
, "invalid size\n");
3257 qdict_put_int(qdict
, key
, val
);
3265 while (qemu_isspace(*p
))
3267 if (*typestr
== '?') {
3273 if (get_double(mon
, &val
, &p
) < 0) {
3276 if (p
[0] && p
[1] == 's') {
3279 val
/= 1e3
; p
+= 2; break;
3281 val
/= 1e6
; p
+= 2; break;
3283 val
/= 1e9
; p
+= 2; break;
3286 if (*p
&& !qemu_isspace(*p
)) {
3287 monitor_printf(mon
, "Unknown unit suffix\n");
3290 qdict_put(qdict
, key
, qnum_from_double(val
));
3298 while (qemu_isspace(*p
)) {
3302 while (qemu_isgraph(*p
)) {
3305 if (p
- beg
== 2 && !memcmp(beg
, "on", p
- beg
)) {
3307 } else if (p
- beg
== 3 && !memcmp(beg
, "off", p
- beg
)) {
3310 monitor_printf(mon
, "Expected 'on' or 'off'\n");
3313 qdict_put_bool(qdict
, key
, val
);
3318 const char *tmp
= p
;
3325 while (qemu_isspace(*p
))
3330 if(!is_valid_option(p
, typestr
)) {
3332 monitor_printf(mon
, "%s: unsupported option -%c\n",
3344 qdict_put_bool(qdict
, key
, true);
3351 /* package all remaining string */
3354 while (qemu_isspace(*p
)) {
3357 if (*typestr
== '?') {
3360 /* no remaining string: NULL argument */
3366 monitor_printf(mon
, "%s: string expected\n",
3370 qdict_put_str(qdict
, key
, p
);
3376 monitor_printf(mon
, "%s: unknown type '%c'\n", cmd
->name
, c
);
3382 /* check that all arguments were parsed */
3383 while (qemu_isspace(*p
))
3386 monitor_printf(mon
, "%s: extraneous characters at the end of line\n",
3394 qobject_unref(qdict
);
3399 static void handle_hmp_command(Monitor
*mon
, const char *cmdline
)
3402 const mon_cmd_t
*cmd
;
3403 const char *cmd_start
= cmdline
;
3405 trace_handle_hmp_command(mon
, cmdline
);
3407 cmd
= monitor_parse_command(mon
, cmdline
, &cmdline
, mon
->cmd_table
);
3412 qdict
= monitor_parse_arguments(mon
, &cmdline
, cmd
);
3414 while (cmdline
> cmd_start
&& qemu_isspace(cmdline
[-1])) {
3417 monitor_printf(mon
, "Try \"help %.*s\" for more information\n",
3418 (int)(cmdline
- cmd_start
), cmd_start
);
3422 cmd
->cmd(mon
, qdict
);
3423 qobject_unref(qdict
);
3426 static void cmd_completion(Monitor
*mon
, const char *name
, const char *list
)
3428 const char *p
, *pstart
;
3435 p
= qemu_strchrnul(p
, '|');
3437 if (len
> sizeof(cmd
) - 2)
3438 len
= sizeof(cmd
) - 2;
3439 memcpy(cmd
, pstart
, len
);
3441 if (name
[0] == '\0' || !strncmp(name
, cmd
, strlen(name
))) {
3442 readline_add_completion(mon
->rs
, cmd
);
3450 static void file_completion(Monitor
*mon
, const char *input
)
3455 char file
[1024], file_prefix
[1024];
3459 p
= strrchr(input
, '/');
3462 pstrcpy(file_prefix
, sizeof(file_prefix
), input
);
3463 pstrcpy(path
, sizeof(path
), ".");
3465 input_path_len
= p
- input
+ 1;
3466 memcpy(path
, input
, input_path_len
);
3467 if (input_path_len
> sizeof(path
) - 1)
3468 input_path_len
= sizeof(path
) - 1;
3469 path
[input_path_len
] = '\0';
3470 pstrcpy(file_prefix
, sizeof(file_prefix
), p
+ 1);
3473 ffs
= opendir(path
);
3482 if (strcmp(d
->d_name
, ".") == 0 || strcmp(d
->d_name
, "..") == 0) {
3486 if (strstart(d
->d_name
, file_prefix
, NULL
)) {
3487 memcpy(file
, input
, input_path_len
);
3488 if (input_path_len
< sizeof(file
))
3489 pstrcpy(file
+ input_path_len
, sizeof(file
) - input_path_len
,
3491 /* stat the file to find out if it's a directory.
3492 * In that case add a slash to speed up typing long paths
3494 if (stat(file
, &sb
) == 0 && S_ISDIR(sb
.st_mode
)) {
3495 pstrcat(file
, sizeof(file
), "/");
3497 readline_add_completion(mon
->rs
, file
);
3503 static const char *next_arg_type(const char *typestr
)
3505 const char *p
= strchr(typestr
, ':');
3506 return (p
!= NULL
? ++p
: typestr
);
3509 static void add_completion_option(ReadLineState
*rs
, const char *str
,
3512 if (!str
|| !option
) {
3515 if (!strncmp(option
, str
, strlen(str
))) {
3516 readline_add_completion(rs
, option
);
3520 void chardev_add_completion(ReadLineState
*rs
, int nb_args
, const char *str
)
3523 ChardevBackendInfoList
*list
, *start
;
3529 readline_set_completion_index(rs
, len
);
3531 start
= list
= qmp_query_chardev_backends(NULL
);
3533 const char *chr_name
= list
->value
->name
;
3535 if (!strncmp(chr_name
, str
, len
)) {
3536 readline_add_completion(rs
, chr_name
);
3540 qapi_free_ChardevBackendInfoList(start
);
3543 void netdev_add_completion(ReadLineState
*rs
, int nb_args
, const char *str
)
3552 readline_set_completion_index(rs
, len
);
3553 for (i
= 0; i
< NET_CLIENT_DRIVER__MAX
; i
++) {
3554 add_completion_option(rs
, str
, NetClientDriver_str(i
));
3558 void device_add_completion(ReadLineState
*rs
, int nb_args
, const char *str
)
3568 readline_set_completion_index(rs
, len
);
3569 list
= elt
= object_class_get_list(TYPE_DEVICE
, false);
3572 DeviceClass
*dc
= OBJECT_CLASS_CHECK(DeviceClass
, elt
->data
,
3574 name
= object_class_get_name(OBJECT_CLASS(dc
));
3576 if (dc
->user_creatable
3577 && !strncmp(name
, str
, len
)) {
3578 readline_add_completion(rs
, name
);
3585 void object_add_completion(ReadLineState
*rs
, int nb_args
, const char *str
)
3595 readline_set_completion_index(rs
, len
);
3596 list
= elt
= object_class_get_list(TYPE_USER_CREATABLE
, false);
3600 name
= object_class_get_name(OBJECT_CLASS(elt
->data
));
3601 if (!strncmp(name
, str
, len
) && strcmp(name
, TYPE_USER_CREATABLE
)) {
3602 readline_add_completion(rs
, name
);
3609 static void peripheral_device_del_completion(ReadLineState
*rs
,
3610 const char *str
, size_t len
)
3612 Object
*peripheral
= container_get(qdev_get_machine(), "/peripheral");
3613 GSList
*list
, *item
;
3615 list
= qdev_build_hotpluggable_device_list(peripheral
);
3620 for (item
= list
; item
; item
= g_slist_next(item
)) {
3621 DeviceState
*dev
= item
->data
;
3623 if (dev
->id
&& !strncmp(str
, dev
->id
, len
)) {
3624 readline_add_completion(rs
, dev
->id
);
3631 void chardev_remove_completion(ReadLineState
*rs
, int nb_args
, const char *str
)
3634 ChardevInfoList
*list
, *start
;
3640 readline_set_completion_index(rs
, len
);
3642 start
= list
= qmp_query_chardev(NULL
);
3644 ChardevInfo
*chr
= list
->value
;
3646 if (!strncmp(chr
->label
, str
, len
)) {
3647 readline_add_completion(rs
, chr
->label
);
3651 qapi_free_ChardevInfoList(start
);
3654 static void ringbuf_completion(ReadLineState
*rs
, const char *str
)
3657 ChardevInfoList
*list
, *start
;
3660 readline_set_completion_index(rs
, len
);
3662 start
= list
= qmp_query_chardev(NULL
);
3664 ChardevInfo
*chr_info
= list
->value
;
3666 if (!strncmp(chr_info
->label
, str
, len
)) {
3667 Chardev
*chr
= qemu_chr_find(chr_info
->label
);
3668 if (chr
&& CHARDEV_IS_RINGBUF(chr
)) {
3669 readline_add_completion(rs
, chr_info
->label
);
3674 qapi_free_ChardevInfoList(start
);
3677 void ringbuf_write_completion(ReadLineState
*rs
, int nb_args
, const char *str
)
3682 ringbuf_completion(rs
, str
);
3685 void device_del_completion(ReadLineState
*rs
, int nb_args
, const char *str
)
3694 readline_set_completion_index(rs
, len
);
3695 peripheral_device_del_completion(rs
, str
, len
);
3698 void object_del_completion(ReadLineState
*rs
, int nb_args
, const char *str
)
3700 ObjectPropertyInfoList
*list
, *start
;
3707 readline_set_completion_index(rs
, len
);
3709 start
= list
= qmp_qom_list("/objects", NULL
);
3711 ObjectPropertyInfo
*info
= list
->value
;
3713 if (!strncmp(info
->type
, "child<", 5)
3714 && !strncmp(info
->name
, str
, len
)) {
3715 readline_add_completion(rs
, info
->name
);
3719 qapi_free_ObjectPropertyInfoList(start
);
3722 void sendkey_completion(ReadLineState
*rs
, int nb_args
, const char *str
)
3731 sep
= strrchr(str
, '-');
3736 readline_set_completion_index(rs
, len
);
3737 for (i
= 0; i
< Q_KEY_CODE__MAX
; i
++) {
3738 if (!strncmp(str
, QKeyCode_str(i
), len
)) {
3739 readline_add_completion(rs
, QKeyCode_str(i
));
3744 void set_link_completion(ReadLineState
*rs
, int nb_args
, const char *str
)
3749 readline_set_completion_index(rs
, len
);
3751 NetClientState
*ncs
[MAX_QUEUE_NUM
];
3753 count
= qemu_find_net_clients_except(NULL
, ncs
,
3754 NET_CLIENT_DRIVER_NONE
,
3756 for (i
= 0; i
< MIN(count
, MAX_QUEUE_NUM
); i
++) {
3757 const char *name
= ncs
[i
]->name
;
3758 if (!strncmp(str
, name
, len
)) {
3759 readline_add_completion(rs
, name
);
3762 } else if (nb_args
== 3) {
3763 add_completion_option(rs
, str
, "on");
3764 add_completion_option(rs
, str
, "off");
3768 void netdev_del_completion(ReadLineState
*rs
, int nb_args
, const char *str
)
3771 NetClientState
*ncs
[MAX_QUEUE_NUM
];
3778 readline_set_completion_index(rs
, len
);
3779 count
= qemu_find_net_clients_except(NULL
, ncs
, NET_CLIENT_DRIVER_NIC
,
3781 for (i
= 0; i
< MIN(count
, MAX_QUEUE_NUM
); i
++) {
3783 const char *name
= ncs
[i
]->name
;
3784 if (strncmp(str
, name
, len
)) {
3787 opts
= qemu_opts_find(qemu_find_opts_err("netdev", NULL
), name
);
3789 readline_add_completion(rs
, name
);
3794 void info_trace_events_completion(ReadLineState
*rs
, int nb_args
, const char *str
)
3799 readline_set_completion_index(rs
, len
);
3801 TraceEventIter iter
;
3803 char *pattern
= g_strdup_printf("%s*", str
);
3804 trace_event_iter_init(&iter
, pattern
);
3805 while ((ev
= trace_event_iter_next(&iter
)) != NULL
) {
3806 readline_add_completion(rs
, trace_event_get_name(ev
));
3812 void trace_event_completion(ReadLineState
*rs
, int nb_args
, const char *str
)
3817 readline_set_completion_index(rs
, len
);
3819 TraceEventIter iter
;
3821 char *pattern
= g_strdup_printf("%s*", str
);
3822 trace_event_iter_init(&iter
, pattern
);
3823 while ((ev
= trace_event_iter_next(&iter
)) != NULL
) {
3824 readline_add_completion(rs
, trace_event_get_name(ev
));
3827 } else if (nb_args
== 3) {
3828 add_completion_option(rs
, str
, "on");
3829 add_completion_option(rs
, str
, "off");
3833 void watchdog_action_completion(ReadLineState
*rs
, int nb_args
, const char *str
)
3840 readline_set_completion_index(rs
, strlen(str
));
3841 for (i
= 0; i
< WATCHDOG_ACTION__MAX
; i
++) {
3842 add_completion_option(rs
, str
, WatchdogAction_str(i
));
3846 void migrate_set_capability_completion(ReadLineState
*rs
, int nb_args
,
3852 readline_set_completion_index(rs
, len
);
3855 for (i
= 0; i
< MIGRATION_CAPABILITY__MAX
; i
++) {
3856 const char *name
= MigrationCapability_str(i
);
3857 if (!strncmp(str
, name
, len
)) {
3858 readline_add_completion(rs
, name
);
3861 } else if (nb_args
== 3) {
3862 add_completion_option(rs
, str
, "on");
3863 add_completion_option(rs
, str
, "off");
3867 void migrate_set_parameter_completion(ReadLineState
*rs
, int nb_args
,
3873 readline_set_completion_index(rs
, len
);
3876 for (i
= 0; i
< MIGRATION_PARAMETER__MAX
; i
++) {
3877 const char *name
= MigrationParameter_str(i
);
3878 if (!strncmp(str
, name
, len
)) {
3879 readline_add_completion(rs
, name
);
3885 static void vm_completion(ReadLineState
*rs
, const char *str
)
3888 BlockDriverState
*bs
;
3889 BdrvNextIterator it
;
3892 readline_set_completion_index(rs
, len
);
3894 for (bs
= bdrv_first(&it
); bs
; bs
= bdrv_next(&it
)) {
3895 SnapshotInfoList
*snapshots
, *snapshot
;
3896 AioContext
*ctx
= bdrv_get_aio_context(bs
);
3899 aio_context_acquire(ctx
);
3900 if (bdrv_can_snapshot(bs
)) {
3901 ok
= bdrv_query_snapshot_info_list(bs
, &snapshots
, NULL
) == 0;
3903 aio_context_release(ctx
);
3908 snapshot
= snapshots
;
3910 char *completion
= snapshot
->value
->name
;
3911 if (!strncmp(str
, completion
, len
)) {
3912 readline_add_completion(rs
, completion
);
3914 completion
= snapshot
->value
->id
;
3915 if (!strncmp(str
, completion
, len
)) {
3916 readline_add_completion(rs
, completion
);
3918 snapshot
= snapshot
->next
;
3920 qapi_free_SnapshotInfoList(snapshots
);
3925 void delvm_completion(ReadLineState
*rs
, int nb_args
, const char *str
)
3928 vm_completion(rs
, str
);
3932 void loadvm_completion(ReadLineState
*rs
, int nb_args
, const char *str
)
3935 vm_completion(rs
, str
);
3939 static void monitor_find_completion_by_table(Monitor
*mon
,
3940 const mon_cmd_t
*cmd_table
,
3944 const char *cmdname
;
3946 const char *ptype
, *old_ptype
, *str
, *name
;
3947 const mon_cmd_t
*cmd
;
3948 BlockBackend
*blk
= NULL
;
3951 /* command completion */
3956 readline_set_completion_index(mon
->rs
, strlen(cmdname
));
3957 for (cmd
= cmd_table
; cmd
->name
!= NULL
; cmd
++) {
3958 if (!runstate_check(RUN_STATE_PRECONFIG
) ||
3959 cmd_can_preconfig(cmd
)) {
3960 cmd_completion(mon
, cmdname
, cmd
->name
);
3964 /* find the command */
3965 for (cmd
= cmd_table
; cmd
->name
!= NULL
; cmd
++) {
3966 if (compare_cmd(args
[0], cmd
->name
) &&
3967 (!runstate_check(RUN_STATE_PRECONFIG
) ||
3968 cmd_can_preconfig(cmd
))) {
3976 if (cmd
->sub_table
) {
3977 /* do the job again */
3978 monitor_find_completion_by_table(mon
, cmd
->sub_table
,
3979 &args
[1], nb_args
- 1);
3982 if (cmd
->command_completion
) {
3983 cmd
->command_completion(mon
->rs
, nb_args
, args
[nb_args
- 1]);
3987 ptype
= next_arg_type(cmd
->args_type
);
3988 for(i
= 0; i
< nb_args
- 2; i
++) {
3989 if (*ptype
!= '\0') {
3990 ptype
= next_arg_type(ptype
);
3991 while (*ptype
== '?')
3992 ptype
= next_arg_type(ptype
);
3995 str
= args
[nb_args
- 1];
3997 while (*ptype
== '-' && old_ptype
!= ptype
) {
3999 ptype
= next_arg_type(ptype
);
4003 /* file completion */
4004 readline_set_completion_index(mon
->rs
, strlen(str
));
4005 file_completion(mon
, str
);
4008 /* block device name completion */
4009 readline_set_completion_index(mon
->rs
, strlen(str
));
4010 while ((blk
= blk_next(blk
)) != NULL
) {
4011 name
= blk_name(blk
);
4012 if (str
[0] == '\0' ||
4013 !strncmp(name
, str
, strlen(str
))) {
4014 readline_add_completion(mon
->rs
, name
);
4020 if (!strcmp(cmd
->name
, "help|?")) {
4021 monitor_find_completion_by_table(mon
, cmd_table
,
4022 &args
[1], nb_args
- 1);
4031 static void monitor_find_completion(void *opaque
,
4032 const char *cmdline
)
4034 Monitor
*mon
= opaque
;
4035 char *args
[MAX_ARGS
];
4038 /* 1. parse the cmdline */
4039 if (parse_cmdline(cmdline
, &nb_args
, args
) < 0) {
4043 /* if the line ends with a space, it means we want to complete the
4045 len
= strlen(cmdline
);
4046 if (len
> 0 && qemu_isspace(cmdline
[len
- 1])) {
4047 if (nb_args
>= MAX_ARGS
) {
4050 args
[nb_args
++] = g_strdup("");
4053 /* 2. auto complete according to args */
4054 monitor_find_completion_by_table(mon
, mon
->cmd_table
, args
, nb_args
);
4057 free_cmdline_args(args
, nb_args
);
4060 static int monitor_can_read(void *opaque
)
4062 Monitor
*mon
= opaque
;
4064 return !atomic_mb_read(&mon
->suspend_cnt
);
4068 * Emit QMP response @rsp with ID @id to @mon.
4069 * Null @rsp can only happen for commands with QCO_NO_SUCCESS_RESP.
4070 * Nothing is emitted then.
4072 static void monitor_qmp_respond(Monitor
*mon
, QDict
*rsp
, QObject
*id
)
4076 qdict_put_obj(rsp
, "id", qobject_ref(id
));
4079 qmp_send_response(mon
, rsp
);
4083 static void monitor_qmp_dispatch(Monitor
*mon
, QObject
*req
, QObject
*id
)
4092 rsp
= qmp_dispatch(mon
->qmp
.commands
, req
, qmp_oob_enabled(mon
));
4096 if (mon
->qmp
.commands
== &qmp_cap_negotiation_commands
) {
4097 error
= qdict_get_qdict(rsp
, "error");
4099 && !g_strcmp0(qdict_get_try_str(error
, "class"),
4100 QapiErrorClass_str(ERROR_CLASS_COMMAND_NOT_FOUND
))) {
4101 /* Provide a more useful error message */
4102 qdict_del(error
, "desc");
4103 qdict_put_str(error
, "desc", "Expecting capabilities negotiation"
4104 " with 'qmp_capabilities'");
4108 monitor_qmp_respond(mon
, rsp
, id
);
4113 * Pop a QMP request from a monitor request queue.
4114 * Return the request, or NULL all request queues are empty.
4115 * We are using round-robin fashion to pop the request, to avoid
4116 * processing commands only on a very busy monitor. To achieve that,
4117 * when we process one request on a specific monitor, we put that
4118 * monitor to the end of mon_list queue.
4120 * Note: if the function returned with non-NULL, then the caller will
4121 * be with mon->qmp.qmp_queue_lock held, and the caller is responsible
4124 static QMPRequest
*monitor_qmp_requests_pop_any_with_lock(void)
4126 QMPRequest
*req_obj
= NULL
;
4129 qemu_mutex_lock(&monitor_lock
);
4131 QTAILQ_FOREACH(mon
, &mon_list
, entry
) {
4132 qemu_mutex_lock(&mon
->qmp
.qmp_queue_lock
);
4133 req_obj
= g_queue_pop_head(mon
->qmp
.qmp_requests
);
4135 /* With the lock of corresponding queue held */
4138 qemu_mutex_unlock(&mon
->qmp
.qmp_queue_lock
);
4143 * We found one request on the monitor. Degrade this monitor's
4144 * priority to lowest by re-inserting it to end of queue.
4146 QTAILQ_REMOVE(&mon_list
, mon
, entry
);
4147 QTAILQ_INSERT_TAIL(&mon_list
, mon
, entry
);
4150 qemu_mutex_unlock(&monitor_lock
);
4155 static void monitor_qmp_bh_dispatcher(void *data
)
4157 QMPRequest
*req_obj
= monitor_qmp_requests_pop_any_with_lock();
4167 /* qmp_oob_enabled() might change after "qmp_capabilities" */
4168 need_resume
= !qmp_oob_enabled(mon
) ||
4169 mon
->qmp
.qmp_requests
->length
== QMP_REQ_QUEUE_LEN_MAX
- 1;
4170 qemu_mutex_unlock(&mon
->qmp
.qmp_queue_lock
);
4172 trace_monitor_qmp_cmd_in_band(qobject_get_try_str(req_obj
->id
) ?: "");
4173 monitor_qmp_dispatch(mon
, req_obj
->req
, req_obj
->id
);
4175 assert(req_obj
->err
);
4176 rsp
= qmp_error_response(req_obj
->err
);
4177 req_obj
->err
= NULL
;
4178 monitor_qmp_respond(mon
, rsp
, NULL
);
4183 /* Pairs with the monitor_suspend() in handle_qmp_command() */
4184 monitor_resume(mon
);
4186 qmp_request_free(req_obj
);
4188 /* Reschedule instead of looping so the main loop stays responsive */
4189 qemu_bh_schedule(qmp_dispatcher_bh
);
4192 static void handle_qmp_command(void *opaque
, QObject
*req
, Error
*err
)
4194 Monitor
*mon
= opaque
;
4197 QMPRequest
*req_obj
;
4199 assert(!req
!= !err
);
4201 qdict
= qobject_to(QDict
, req
);
4203 id
= qobject_ref(qdict_get(qdict
, "id"));
4204 qdict_del(qdict
, "id");
4205 } /* else will fail qmp_dispatch() */
4207 if (req
&& trace_event_get_state_backends(TRACE_HANDLE_QMP_COMMAND
)) {
4208 QString
*req_json
= qobject_to_json(req
);
4209 trace_handle_qmp_command(mon
, qstring_get_str(req_json
));
4210 qobject_unref(req_json
);
4213 if (qdict
&& qmp_is_oob(qdict
)) {
4214 /* OOB commands are executed immediately */
4215 trace_monitor_qmp_cmd_out_of_band(qobject_get_try_str(id
)
4217 monitor_qmp_dispatch(mon
, req
, id
);
4223 req_obj
= g_new0(QMPRequest
, 1);
4229 /* Protect qmp_requests and fetching its length. */
4230 qemu_mutex_lock(&mon
->qmp
.qmp_queue_lock
);
4233 * Suspend the monitor when we can't queue more requests after
4234 * this one. Dequeuing in monitor_qmp_bh_dispatcher() will resume
4235 * it. Note that when OOB is disabled, we queue at most one
4236 * command, for backward compatibility.
4238 if (!qmp_oob_enabled(mon
) ||
4239 mon
->qmp
.qmp_requests
->length
== QMP_REQ_QUEUE_LEN_MAX
- 1) {
4240 monitor_suspend(mon
);
4244 * Put the request to the end of queue so that requests will be
4245 * handled in time order. Ownership for req_obj, req, id,
4246 * etc. will be delivered to the handler side.
4248 assert(mon
->qmp
.qmp_requests
->length
< QMP_REQ_QUEUE_LEN_MAX
);
4249 g_queue_push_tail(mon
->qmp
.qmp_requests
, req_obj
);
4250 qemu_mutex_unlock(&mon
->qmp
.qmp_queue_lock
);
4252 /* Kick the dispatcher routine */
4253 qemu_bh_schedule(qmp_dispatcher_bh
);
4256 static void monitor_qmp_read(void *opaque
, const uint8_t *buf
, int size
)
4258 Monitor
*mon
= opaque
;
4260 json_message_parser_feed(&mon
->qmp
.parser
, (const char *) buf
, size
);
4263 static void monitor_read(void *opaque
, const uint8_t *buf
, int size
)
4265 Monitor
*old_mon
= cur_mon
;
4271 for (i
= 0; i
< size
; i
++)
4272 readline_handle_byte(cur_mon
->rs
, buf
[i
]);
4274 if (size
== 0 || buf
[size
- 1] != 0)
4275 monitor_printf(cur_mon
, "corrupted command\n");
4277 handle_hmp_command(cur_mon
, (char *)buf
);
4283 static void monitor_command_cb(void *opaque
, const char *cmdline
,
4284 void *readline_opaque
)
4286 Monitor
*mon
= opaque
;
4288 monitor_suspend(mon
);
4289 handle_hmp_command(mon
, cmdline
);
4290 monitor_resume(mon
);
4293 int monitor_suspend(Monitor
*mon
)
4295 if (monitor_is_hmp_non_interactive(mon
)) {
4299 atomic_inc(&mon
->suspend_cnt
);
4301 if (mon
->use_io_thread
) {
4303 * Kick I/O thread to make sure this takes effect. It'll be
4304 * evaluated again in prepare() of the watch object.
4306 aio_notify(iothread_get_aio_context(mon_iothread
));
4309 trace_monitor_suspend(mon
, 1);
4313 static void monitor_accept_input(void *opaque
)
4315 Monitor
*mon
= opaque
;
4317 qemu_chr_fe_accept_input(&mon
->chr
);
4320 void monitor_resume(Monitor
*mon
)
4322 if (monitor_is_hmp_non_interactive(mon
)) {
4326 if (atomic_dec_fetch(&mon
->suspend_cnt
) == 0) {
4329 if (mon
->use_io_thread
) {
4330 ctx
= iothread_get_aio_context(mon_iothread
);
4332 ctx
= qemu_get_aio_context();
4335 if (!monitor_is_qmp(mon
)) {
4337 readline_show_prompt(mon
->rs
);
4340 aio_bh_schedule_oneshot(ctx
, monitor_accept_input
, mon
);
4343 trace_monitor_suspend(mon
, -1);
4346 static QDict
*qmp_greeting(Monitor
*mon
)
4348 QList
*cap_list
= qlist_new();
4349 QObject
*ver
= NULL
;
4352 qmp_marshal_query_version(NULL
, &ver
, NULL
);
4354 for (cap
= 0; cap
< QMP_CAPABILITY__MAX
; cap
++) {
4355 if (mon
->qmp
.capab_offered
[cap
]) {
4356 qlist_append_str(cap_list
, QMPCapability_str(cap
));
4360 return qdict_from_jsonf_nofail(
4361 "{'QMP': {'version': %p, 'capabilities': %p}}",
4365 static void monitor_qmp_event(void *opaque
, int event
)
4368 Monitor
*mon
= opaque
;
4371 case CHR_EVENT_OPENED
:
4372 mon
->qmp
.commands
= &qmp_cap_negotiation_commands
;
4373 monitor_qmp_caps_reset(mon
);
4374 data
= qmp_greeting(mon
);
4375 qmp_send_response(mon
, data
);
4376 qobject_unref(data
);
4379 case CHR_EVENT_CLOSED
:
4381 * Note: this is only useful when the output of the chardev
4382 * backend is still open. For example, when the backend is
4383 * stdio, it's possible that stdout is still open when stdin
4386 monitor_qmp_cleanup_queues(mon
);
4387 json_message_parser_destroy(&mon
->qmp
.parser
);
4388 json_message_parser_init(&mon
->qmp
.parser
, handle_qmp_command
,
4391 monitor_fdsets_cleanup();
4396 static void monitor_event(void *opaque
, int event
)
4398 Monitor
*mon
= opaque
;
4401 case CHR_EVENT_MUX_IN
:
4402 qemu_mutex_lock(&mon
->mon_lock
);
4404 qemu_mutex_unlock(&mon
->mon_lock
);
4405 if (mon
->reset_seen
) {
4406 readline_restart(mon
->rs
);
4407 monitor_resume(mon
);
4410 atomic_mb_set(&mon
->suspend_cnt
, 0);
4414 case CHR_EVENT_MUX_OUT
:
4415 if (mon
->reset_seen
) {
4416 if (atomic_mb_read(&mon
->suspend_cnt
) == 0) {
4417 monitor_printf(mon
, "\n");
4420 monitor_suspend(mon
);
4422 atomic_inc(&mon
->suspend_cnt
);
4424 qemu_mutex_lock(&mon
->mon_lock
);
4426 qemu_mutex_unlock(&mon
->mon_lock
);
4429 case CHR_EVENT_OPENED
:
4430 monitor_printf(mon
, "QEMU %s monitor - type 'help' for more "
4431 "information\n", QEMU_VERSION
);
4432 if (!mon
->mux_out
) {
4433 readline_restart(mon
->rs
);
4434 readline_show_prompt(mon
->rs
);
4436 mon
->reset_seen
= 1;
4440 case CHR_EVENT_CLOSED
:
4442 monitor_fdsets_cleanup();
4448 compare_mon_cmd(const void *a
, const void *b
)
4450 return strcmp(((const mon_cmd_t
*)a
)->name
,
4451 ((const mon_cmd_t
*)b
)->name
);
4454 static void sortcmdlist(void)
4457 int elem_size
= sizeof(mon_cmd_t
);
4459 array_num
= sizeof(mon_cmds
)/elem_size
-1;
4460 qsort((void *)mon_cmds
, array_num
, elem_size
, compare_mon_cmd
);
4462 array_num
= sizeof(info_cmds
)/elem_size
-1;
4463 qsort((void *)info_cmds
, array_num
, elem_size
, compare_mon_cmd
);
4466 static void monitor_iothread_init(void)
4468 mon_iothread
= iothread_create("mon_iothread", &error_abort
);
4471 void monitor_init_globals(void)
4473 monitor_init_qmp_commands();
4474 monitor_qapi_event_init();
4476 qemu_mutex_init(&monitor_lock
);
4477 qemu_mutex_init(&mon_fdsets_lock
);
4480 * The dispatcher BH must run in the main loop thread, since we
4481 * have commands assuming that context. It would be nice to get
4482 * rid of those assumptions.
4484 qmp_dispatcher_bh
= aio_bh_new(iohandler_get_aio_context(),
4485 monitor_qmp_bh_dispatcher
,
4489 /* These functions just adapt the readline interface in a typesafe way. We
4490 * could cast function pointers but that discards compiler checks.
4492 static void GCC_FMT_ATTR(2, 3) monitor_readline_printf(void *opaque
,
4493 const char *fmt
, ...)
4497 monitor_vprintf(opaque
, fmt
, ap
);
4501 static void monitor_readline_flush(void *opaque
)
4503 monitor_flush(opaque
);
4507 * Print to current monitor if we have one, else to stream.
4508 * TODO should return int, so callers can calculate width, but that
4509 * requires surgery to monitor_vprintf(). Left for another day.
4511 void monitor_vfprintf(FILE *stream
, const char *fmt
, va_list ap
)
4513 if (cur_mon
&& !monitor_cur_is_qmp()) {
4514 monitor_vprintf(cur_mon
, fmt
, ap
);
4516 vfprintf(stream
, fmt
, ap
);
4521 * Print to current monitor if we have one, else to stderr.
4522 * TODO should return int, so callers can calculate width, but that
4523 * requires surgery to monitor_vprintf(). Left for another day.
4525 void error_vprintf(const char *fmt
, va_list ap
)
4527 monitor_vfprintf(stderr
, fmt
, ap
);
4530 void error_vprintf_unless_qmp(const char *fmt
, va_list ap
)
4532 if (cur_mon
&& !monitor_cur_is_qmp()) {
4533 monitor_vprintf(cur_mon
, fmt
, ap
);
4534 } else if (!cur_mon
) {
4535 vfprintf(stderr
, fmt
, ap
);
4539 static void monitor_list_append(Monitor
*mon
)
4541 qemu_mutex_lock(&monitor_lock
);
4543 * This prevents inserting new monitors during monitor_cleanup().
4544 * A cleaner solution would involve the main thread telling other
4545 * threads to terminate, waiting for their termination.
4547 if (!monitor_destroyed
) {
4548 QTAILQ_INSERT_HEAD(&mon_list
, mon
, entry
);
4551 qemu_mutex_unlock(&monitor_lock
);
4554 monitor_data_destroy(mon
);
4559 static void monitor_qmp_setup_handlers_bh(void *opaque
)
4561 Monitor
*mon
= opaque
;
4562 GMainContext
*context
;
4564 assert(mon
->use_io_thread
);
4565 context
= iothread_get_g_main_context(mon_iothread
);
4567 qemu_chr_fe_set_handlers(&mon
->chr
, monitor_can_read
, monitor_qmp_read
,
4568 monitor_qmp_event
, NULL
, mon
, context
, true);
4569 monitor_list_append(mon
);
4572 void monitor_init(Chardev
*chr
, int flags
)
4574 Monitor
*mon
= g_malloc(sizeof(*mon
));
4575 bool use_readline
= flags
& MONITOR_USE_READLINE
;
4577 /* Note: we run QMP monitor in I/O thread when @chr supports that */
4578 monitor_data_init(mon
, false,
4579 (flags
& MONITOR_USE_CONTROL
)
4580 && qemu_chr_has_feature(chr
,
4581 QEMU_CHAR_FEATURE_GCONTEXT
));
4583 qemu_chr_fe_init(&mon
->chr
, chr
, &error_abort
);
4586 mon
->rs
= readline_init(monitor_readline_printf
,
4587 monitor_readline_flush
,
4589 monitor_find_completion
);
4590 monitor_read_command(mon
, 0);
4593 if (monitor_is_qmp(mon
)) {
4594 qemu_chr_fe_set_echo(&mon
->chr
, true);
4595 json_message_parser_init(&mon
->qmp
.parser
, handle_qmp_command
,
4597 if (mon
->use_io_thread
) {
4599 * Make sure the old iowatch is gone. It's possible when
4600 * e.g. the chardev is in client mode, with wait=on.
4602 remove_fd_in_watch(chr
);
4604 * We can't call qemu_chr_fe_set_handlers() directly here
4605 * since chardev might be running in the monitor I/O
4606 * thread. Schedule a bottom half.
4608 aio_bh_schedule_oneshot(iothread_get_aio_context(mon_iothread
),
4609 monitor_qmp_setup_handlers_bh
, mon
);
4610 /* The bottom half will add @mon to @mon_list */
4613 qemu_chr_fe_set_handlers(&mon
->chr
, monitor_can_read
,
4614 monitor_qmp_read
, monitor_qmp_event
,
4615 NULL
, mon
, NULL
, true);
4618 qemu_chr_fe_set_handlers(&mon
->chr
, monitor_can_read
, monitor_read
,
4619 monitor_event
, NULL
, mon
, NULL
, true);
4622 monitor_list_append(mon
);
4625 void monitor_cleanup(void)
4627 Monitor
*mon
, *next
;
4630 * We need to explicitly stop the I/O thread (but not destroy it),
4631 * clean up the monitor resources, then destroy the I/O thread since
4632 * we need to unregister from chardev below in
4633 * monitor_data_destroy(), and chardev is not thread-safe yet
4636 iothread_stop(mon_iothread
);
4639 /* Flush output buffers and destroy monitors */
4640 qemu_mutex_lock(&monitor_lock
);
4641 monitor_destroyed
= true;
4642 QTAILQ_FOREACH_SAFE(mon
, &mon_list
, entry
, next
) {
4643 QTAILQ_REMOVE(&mon_list
, mon
, entry
);
4644 /* Permit QAPI event emission from character frontend release */
4645 qemu_mutex_unlock(&monitor_lock
);
4647 monitor_data_destroy(mon
);
4648 qemu_mutex_lock(&monitor_lock
);
4651 qemu_mutex_unlock(&monitor_lock
);
4653 /* QEMUBHs needs to be deleted before destroying the I/O thread */
4654 qemu_bh_delete(qmp_dispatcher_bh
);
4655 qmp_dispatcher_bh
= NULL
;
4657 iothread_destroy(mon_iothread
);
4658 mon_iothread
= NULL
;
4662 QemuOptsList qemu_mon_opts
= {
4664 .implied_opt_name
= "chardev",
4665 .head
= QTAILQ_HEAD_INITIALIZER(qemu_mon_opts
.head
),
4669 .type
= QEMU_OPT_STRING
,
4672 .type
= QEMU_OPT_STRING
,
4675 .type
= QEMU_OPT_BOOL
,
4677 { /* end of list */ }
4682 void qmp_rtc_reset_reinjection(Error
**errp
)
4684 error_setg(errp
, QERR_FEATURE_DISABLED
, "rtc-reset-reinjection");
4687 SevInfo
*qmp_query_sev(Error
**errp
)
4689 error_setg(errp
, QERR_FEATURE_DISABLED
, "query-sev");
4693 SevLaunchMeasureInfo
*qmp_query_sev_launch_measure(Error
**errp
)
4695 error_setg(errp
, QERR_FEATURE_DISABLED
, "query-sev-launch-measure");
4699 SevCapability
*qmp_query_sev_capabilities(Error
**errp
)
4701 error_setg(errp
, QERR_FEATURE_DISABLED
, "query-sev-capabilities");
4706 #ifndef TARGET_S390X
4707 void qmp_dump_skeys(const char *filename
, Error
**errp
)
4709 error_setg(errp
, QERR_FEATURE_DISABLED
, "dump-skeys");
4714 GICCapabilityList
*qmp_query_gic_capabilities(Error
**errp
)
4716 error_setg(errp
, QERR_FEATURE_DISABLED
, "query-gic-capabilities");
4721 HotpluggableCPUList
*qmp_query_hotpluggable_cpus(Error
**errp
)
4723 MachineState
*ms
= MACHINE(qdev_get_machine());
4724 MachineClass
*mc
= MACHINE_GET_CLASS(ms
);
4726 if (!mc
->has_hotpluggable_cpus
) {
4727 error_setg(errp
, QERR_FEATURE_DISABLED
, "query-hotpluggable-cpus");
4731 return machine_query_hotpluggable_cpus(ms
);