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"
29 #include "monitor/qdev.h"
31 #include "hw/pci/pci.h"
32 #include "sysemu/watchdog.h"
33 #include "hw/loader.h"
34 #include "exec/gdbstub.h"
36 #include "net/slirp.h"
37 #include "chardev/char-fe.h"
38 #include "chardev/char-io.h"
39 #include "chardev/char-mux.h"
40 #include "ui/qemu-spice.h"
41 #include "sysemu/numa.h"
42 #include "monitor/monitor.h"
43 #include "qemu/config-file.h"
44 #include "qemu/readline.h"
45 #include "ui/console.h"
47 #include "sysemu/block-backend.h"
48 #include "audio/audio.h"
49 #include "disas/disas.h"
50 #include "sysemu/balloon.h"
51 #include "qemu/timer.h"
52 #include "sysemu/hw_accel.h"
54 #include "sysemu/tpm.h"
55 #include "qapi/qmp/qdict.h"
56 #include "qapi/qmp/qerror.h"
57 #include "qapi/qmp/qnum.h"
58 #include "qapi/qmp/qstring.h"
59 #include "qapi/qmp/qjson.h"
60 #include "qapi/qmp/json-streamer.h"
61 #include "qapi/qmp/json-parser.h"
62 #include "qapi/qmp/qlist.h"
63 #include "qom/object_interfaces.h"
64 #include "trace-root.h"
65 #include "trace/control.h"
66 #include "monitor/hmp-target.h"
67 #ifdef CONFIG_TRACE_SIMPLE
68 #include "trace/simple.h"
70 #include "exec/memory.h"
71 #include "exec/exec-all.h"
73 #include "qemu/option.h"
75 #include "qemu/thread.h"
76 #include "block/qapi.h"
77 #include "qapi/qapi-commands.h"
78 #include "qapi/qapi-events.h"
79 #include "qapi/error.h"
80 #include "qapi/qmp-event.h"
81 #include "qapi/qapi-introspect.h"
82 #include "sysemu/qtest.h"
83 #include "sysemu/cpus.h"
84 #include "sysemu/iothread.h"
85 #include "qemu/cutils.h"
87 #if defined(TARGET_S390X)
88 #include "hw/s390x/storage-keys.h"
89 #include "hw/s390x/storage-attributes.h"
96 * 'B' block device name
97 * 's' string (accept optional quote)
98 * 'S' it just appends the rest of the string (accept optional quote)
99 * 'O' option string of the form NAME=VALUE,...
100 * parsed according to QemuOptsList given by its name
101 * Example: 'device:O' uses qemu_device_opts.
102 * Restriction: only lists with empty desc are supported
103 * TODO lift the restriction
105 * 'l' target long (32 or 64 bit)
106 * 'M' Non-negative target long (32 or 64 bit), in user mode the
107 * value is multiplied by 2^20 (think Mebibyte)
108 * 'o' octets (aka bytes)
109 * user mode accepts an optional E, e, P, p, T, t, G, g, M, m,
110 * K, k suffix, which multiplies the value by 2^60 for suffixes E
111 * and e, 2^50 for suffixes P and p, 2^40 for suffixes T and t,
112 * 2^30 for suffixes G and g, 2^20 for M and m, 2^10 for K and k
114 * user mode accepts an optional ms, us, ns suffix,
115 * which divides the value by 1e3, 1e6, 1e9, respectively
116 * '/' optional gdb-like print format (like "/10x")
118 * '?' optional type (for all types, except '/')
119 * '.' other form of optional type (for 'i' and 'l')
121 * user mode accepts "on" or "off"
122 * '-' optional parameter (eg. '-f')
126 typedef struct mon_cmd_t
{
128 const char *args_type
;
131 void (*cmd
)(Monitor
*mon
, const QDict
*qdict
);
132 /* @sub_table is a list of 2nd level of commands. If it does not exist,
133 * cmd should be used. If it exists, sub_table[?].cmd should be
134 * used, and cmd of 1st level plays the role of help function.
136 struct mon_cmd_t
*sub_table
;
137 void (*command_completion
)(ReadLineState
*rs
, int nb_args
, const char *str
);
140 /* file descriptors passed via SCM_RIGHTS */
141 typedef struct mon_fd_t mon_fd_t
;
145 QLIST_ENTRY(mon_fd_t
) next
;
148 /* file descriptor associated with a file descriptor set */
149 typedef struct MonFdsetFd MonFdsetFd
;
154 QLIST_ENTRY(MonFdsetFd
) next
;
157 /* file descriptor set containing fds passed via SCM_RIGHTS */
158 typedef struct MonFdset MonFdset
;
161 QLIST_HEAD(, MonFdsetFd
) fds
;
162 QLIST_HEAD(, MonFdsetFd
) dup_fds
;
163 QLIST_ENTRY(MonFdset
) next
;
167 JSONMessageParser parser
;
169 * When a client connects, we're in capabilities negotiation mode.
170 * When command qmp_capabilities succeeds, we go into command
173 QmpCommandList
*commands
;
174 bool qmp_caps
[QMP_CAPABILITY__MAX
];
176 * Protects qmp request/response queue. Please take monitor_lock
177 * first when used together.
179 QemuMutex qmp_queue_lock
;
180 /* Input queue that holds all the parsed QMP requests */
181 GQueue
*qmp_requests
;
182 /* Output queue contains all the QMP responses in order */
183 GQueue
*qmp_responses
;
187 * To prevent flooding clients, events can be throttled. The
188 * throttling is calculated globally, rather than per-Monitor
191 typedef struct MonitorQAPIEventState
{
192 QAPIEvent event
; /* Throttling state for this event type and... */
193 QDict
*data
; /* ... data, see qapi_event_throttle_equal() */
194 QEMUTimer
*timer
; /* Timer for handling delayed events */
195 QDict
*qdict
; /* Delayed event (if any) */
196 } MonitorQAPIEventState
;
199 int64_t rate
; /* Minimum time (in ns) between two events */
200 } MonitorQAPIEventConf
;
206 int suspend_cnt
; /* Needs to be accessed atomically */
210 /* We can't access guest memory when holding the lock */
215 /* Read under either BQL or out_lock, written with BQL+out_lock. */
221 BlockCompletionFunc
*password_completion_cb
;
222 void *password_opaque
;
223 mon_cmd_t
*cmd_table
;
224 QLIST_HEAD(,mon_fd_t
) fds
;
225 QTAILQ_ENTRY(Monitor
) entry
;
228 /* Let's add monitor global variables to this struct. */
230 IOThread
*mon_iothread
;
231 /* Bottom half to dispatch the requests received from IO thread */
232 QEMUBH
*qmp_dispatcher_bh
;
233 /* Bottom half to deliver the responses back to clients */
234 QEMUBH
*qmp_respond_bh
;
238 /* Owner of the request */
240 /* "id" field of the request */
242 /* Request object to be handled */
245 * Whether we need to resume the monitor afterward. This flag is
246 * used to emulate the old QMP server behavior that the current
247 * command must be completed before execution of the next one.
251 typedef struct QMPRequest QMPRequest
;
253 /* QMP checker flags */
254 #define QMP_ACCEPT_UNKNOWNS 1
256 /* Protects mon_list, monitor_event_state. */
257 static QemuMutex monitor_lock
;
259 static QTAILQ_HEAD(mon_list
, Monitor
) mon_list
;
260 static QLIST_HEAD(mon_fdsets
, MonFdset
) mon_fdsets
;
261 static int mon_refcount
;
263 static mon_cmd_t mon_cmds
[];
264 static mon_cmd_t info_cmds
[];
266 QmpCommandList qmp_commands
, qmp_cap_negotiation_commands
;
270 static QEMUClockType event_clock_type
= QEMU_CLOCK_REALTIME
;
272 static void monitor_command_cb(void *opaque
, const char *cmdline
,
273 void *readline_opaque
);
276 * Is @mon a QMP monitor?
278 static inline bool monitor_is_qmp(const Monitor
*mon
)
280 return (mon
->flags
& MONITOR_USE_CONTROL
);
284 * Whether @mon is using readline? Note: not all HMP monitors use
285 * readline, e.g., gdbserver has a non-interactive HMP monitor, so
286 * readline is not used there.
288 static inline bool monitor_uses_readline(const Monitor
*mon
)
290 return mon
->flags
& MONITOR_USE_READLINE
;
293 static inline bool monitor_is_hmp_non_interactive(const Monitor
*mon
)
295 return !monitor_is_qmp(mon
) && !monitor_uses_readline(mon
);
299 * Is the current monitor, if any, a QMP monitor?
301 bool monitor_cur_is_qmp(void)
303 return cur_mon
&& monitor_is_qmp(cur_mon
);
306 void monitor_read_command(Monitor
*mon
, int show_prompt
)
311 readline_start(mon
->rs
, "(qemu) ", 0, monitor_command_cb
, NULL
);
313 readline_show_prompt(mon
->rs
);
316 int monitor_read_password(Monitor
*mon
, ReadLineFunc
*readline_func
,
320 readline_start(mon
->rs
, "Password: ", 1, readline_func
, opaque
);
321 /* prompt is printed on return from the command handler */
324 monitor_printf(mon
, "terminal does not support password prompting\n");
329 static void qmp_request_free(QMPRequest
*req
)
331 qobject_unref(req
->id
);
332 qobject_unref(req
->req
);
336 /* Must with the mon->qmp.qmp_queue_lock held */
337 static void monitor_qmp_cleanup_req_queue_locked(Monitor
*mon
)
339 while (!g_queue_is_empty(mon
->qmp
.qmp_requests
)) {
340 qmp_request_free(g_queue_pop_head(mon
->qmp
.qmp_requests
));
344 /* Must with the mon->qmp.qmp_queue_lock held */
345 static void monitor_qmp_cleanup_resp_queue_locked(Monitor
*mon
)
347 while (!g_queue_is_empty(mon
->qmp
.qmp_responses
)) {
348 qobject_unref((QObject
*)g_queue_pop_head(mon
->qmp
.qmp_responses
));
352 static void monitor_qmp_cleanup_queues(Monitor
*mon
)
354 qemu_mutex_lock(&mon
->qmp
.qmp_queue_lock
);
355 monitor_qmp_cleanup_req_queue_locked(mon
);
356 monitor_qmp_cleanup_resp_queue_locked(mon
);
357 qemu_mutex_unlock(&mon
->qmp
.qmp_queue_lock
);
361 static void monitor_flush_locked(Monitor
*mon
);
363 static gboolean
monitor_unblocked(GIOChannel
*chan
, GIOCondition cond
,
366 Monitor
*mon
= opaque
;
368 qemu_mutex_lock(&mon
->out_lock
);
370 monitor_flush_locked(mon
);
371 qemu_mutex_unlock(&mon
->out_lock
);
375 /* Called with mon->out_lock held. */
376 static void monitor_flush_locked(Monitor
*mon
)
382 if (mon
->skip_flush
) {
386 buf
= qstring_get_str(mon
->outbuf
);
387 len
= qstring_get_length(mon
->outbuf
);
389 if (len
&& !mon
->mux_out
) {
390 rc
= qemu_chr_fe_write(&mon
->chr
, (const uint8_t *) buf
, len
);
391 if ((rc
< 0 && errno
!= EAGAIN
) || (rc
== len
)) {
392 /* all flushed or error */
393 qobject_unref(mon
->outbuf
);
394 mon
->outbuf
= qstring_new();
399 QString
*tmp
= qstring_from_str(buf
+ rc
);
400 qobject_unref(mon
->outbuf
);
403 if (mon
->out_watch
== 0) {
405 qemu_chr_fe_add_watch(&mon
->chr
, G_IO_OUT
| G_IO_HUP
,
406 monitor_unblocked
, mon
);
411 void monitor_flush(Monitor
*mon
)
413 qemu_mutex_lock(&mon
->out_lock
);
414 monitor_flush_locked(mon
);
415 qemu_mutex_unlock(&mon
->out_lock
);
418 /* flush at every end of line */
419 static void monitor_puts(Monitor
*mon
, const char *str
)
423 qemu_mutex_lock(&mon
->out_lock
);
429 qstring_append_chr(mon
->outbuf
, '\r');
431 qstring_append_chr(mon
->outbuf
, c
);
433 monitor_flush_locked(mon
);
436 qemu_mutex_unlock(&mon
->out_lock
);
439 void monitor_vprintf(Monitor
*mon
, const char *fmt
, va_list ap
)
446 if (monitor_is_qmp(mon
)) {
450 buf
= g_strdup_vprintf(fmt
, ap
);
451 monitor_puts(mon
, buf
);
455 void monitor_printf(Monitor
*mon
, const char *fmt
, ...)
459 monitor_vprintf(mon
, fmt
, ap
);
463 int monitor_fprintf(FILE *stream
, const char *fmt
, ...)
467 monitor_vprintf((Monitor
*)stream
, fmt
, ap
);
472 static void monitor_json_emitter_raw(Monitor
*mon
,
477 json
= mon
->flags
& MONITOR_USE_PRETTY
? qobject_to_json_pretty(data
) :
478 qobject_to_json(data
);
479 assert(json
!= NULL
);
481 qstring_append_chr(json
, '\n');
482 monitor_puts(mon
, qstring_get_str(json
));
487 static void monitor_json_emitter(Monitor
*mon
, QObject
*data
)
489 if (mon
->use_io_thr
) {
491 * If using IO thread, we need to queue the item so that IO
492 * thread will do the rest for us. Take refcount so that
493 * caller won't free the data (which will be finally freed in
496 qemu_mutex_lock(&mon
->qmp
.qmp_queue_lock
);
497 g_queue_push_tail(mon
->qmp
.qmp_responses
, qobject_ref(data
));
498 qemu_mutex_unlock(&mon
->qmp
.qmp_queue_lock
);
499 qemu_bh_schedule(mon_global
.qmp_respond_bh
);
502 * If not using monitor IO thread, then we are in main thread.
503 * Do the emission right away.
505 monitor_json_emitter_raw(mon
, data
);
513 typedef struct QMPResponse QMPResponse
;
516 * Return one QMPResponse. The response is only valid if
517 * response.data is not NULL.
519 static QMPResponse
monitor_qmp_response_pop_one(void)
522 QObject
*data
= NULL
;
524 qemu_mutex_lock(&monitor_lock
);
525 QTAILQ_FOREACH(mon
, &mon_list
, entry
) {
526 qemu_mutex_lock(&mon
->qmp
.qmp_queue_lock
);
527 data
= g_queue_pop_head(mon
->qmp
.qmp_responses
);
528 qemu_mutex_unlock(&mon
->qmp
.qmp_queue_lock
);
533 qemu_mutex_unlock(&monitor_lock
);
534 return (QMPResponse
) { .mon
= mon
, .data
= data
};
537 static void monitor_qmp_bh_responder(void *opaque
)
539 QMPResponse response
;
542 response
= monitor_qmp_response_pop_one();
543 if (!response
.data
) {
546 monitor_json_emitter_raw(response
.mon
, response
.data
);
547 qobject_unref(response
.data
);
551 static MonitorQAPIEventConf monitor_qapi_event_conf
[QAPI_EVENT__MAX
] = {
552 /* Limit guest-triggerable events to 1 per second */
553 [QAPI_EVENT_RTC_CHANGE
] = { 1000 * SCALE_MS
},
554 [QAPI_EVENT_WATCHDOG
] = { 1000 * SCALE_MS
},
555 [QAPI_EVENT_BALLOON_CHANGE
] = { 1000 * SCALE_MS
},
556 [QAPI_EVENT_QUORUM_REPORT_BAD
] = { 1000 * SCALE_MS
},
557 [QAPI_EVENT_QUORUM_FAILURE
] = { 1000 * SCALE_MS
},
558 [QAPI_EVENT_VSERPORT_CHANGE
] = { 1000 * SCALE_MS
},
561 GHashTable
*monitor_qapi_event_state
;
564 * Emits the event to every monitor instance, @event is only used for trace
565 * Called with monitor_lock held.
567 static void monitor_qapi_event_emit(QAPIEvent event
, QDict
*qdict
)
571 trace_monitor_protocol_event_emit(event
, qdict
);
572 QTAILQ_FOREACH(mon
, &mon_list
, entry
) {
573 if (monitor_is_qmp(mon
)
574 && mon
->qmp
.commands
!= &qmp_cap_negotiation_commands
) {
575 monitor_json_emitter(mon
, QOBJECT(qdict
));
580 static void monitor_qapi_event_handler(void *opaque
);
583 * Queue a new event for emission to Monitor instances,
584 * applying any rate limiting if required.
587 monitor_qapi_event_queue(QAPIEvent event
, QDict
*qdict
, Error
**errp
)
589 MonitorQAPIEventConf
*evconf
;
590 MonitorQAPIEventState
*evstate
;
592 assert(event
< QAPI_EVENT__MAX
);
593 evconf
= &monitor_qapi_event_conf
[event
];
594 trace_monitor_protocol_event_queue(event
, qdict
, evconf
->rate
);
596 qemu_mutex_lock(&monitor_lock
);
599 /* Unthrottled event */
600 monitor_qapi_event_emit(event
, qdict
);
602 QDict
*data
= qobject_to(QDict
, qdict_get(qdict
, "data"));
603 MonitorQAPIEventState key
= { .event
= event
, .data
= data
};
605 evstate
= g_hash_table_lookup(monitor_qapi_event_state
, &key
);
606 assert(!evstate
|| timer_pending(evstate
->timer
));
610 * Timer is pending for (at least) evconf->rate ns after
611 * last send. Store event for sending when timer fires,
612 * replacing a prior stored event if any.
614 qobject_unref(evstate
->qdict
);
615 evstate
->qdict
= qobject_ref(qdict
);
618 * Last send was (at least) evconf->rate ns ago.
619 * Send immediately, and arm the timer to call
620 * monitor_qapi_event_handler() in evconf->rate ns. Any
621 * events arriving before then will be delayed until then.
623 int64_t now
= qemu_clock_get_ns(event_clock_type
);
625 monitor_qapi_event_emit(event
, qdict
);
627 evstate
= g_new(MonitorQAPIEventState
, 1);
628 evstate
->event
= event
;
629 evstate
->data
= qobject_ref(data
);
630 evstate
->qdict
= NULL
;
631 evstate
->timer
= timer_new_ns(event_clock_type
,
632 monitor_qapi_event_handler
,
634 g_hash_table_add(monitor_qapi_event_state
, evstate
);
635 timer_mod_ns(evstate
->timer
, now
+ evconf
->rate
);
639 qemu_mutex_unlock(&monitor_lock
);
643 * This function runs evconf->rate ns after sending a throttled
645 * If another event has since been stored, send it.
647 static void monitor_qapi_event_handler(void *opaque
)
649 MonitorQAPIEventState
*evstate
= opaque
;
650 MonitorQAPIEventConf
*evconf
= &monitor_qapi_event_conf
[evstate
->event
];
652 trace_monitor_protocol_event_handler(evstate
->event
, evstate
->qdict
);
653 qemu_mutex_lock(&monitor_lock
);
655 if (evstate
->qdict
) {
656 int64_t now
= qemu_clock_get_ns(event_clock_type
);
658 monitor_qapi_event_emit(evstate
->event
, evstate
->qdict
);
659 qobject_unref(evstate
->qdict
);
660 evstate
->qdict
= NULL
;
661 timer_mod_ns(evstate
->timer
, now
+ evconf
->rate
);
663 g_hash_table_remove(monitor_qapi_event_state
, evstate
);
664 qobject_unref(evstate
->data
);
665 timer_free(evstate
->timer
);
669 qemu_mutex_unlock(&monitor_lock
);
672 static unsigned int qapi_event_throttle_hash(const void *key
)
674 const MonitorQAPIEventState
*evstate
= key
;
675 unsigned int hash
= evstate
->event
* 255;
677 if (evstate
->event
== QAPI_EVENT_VSERPORT_CHANGE
) {
678 hash
+= g_str_hash(qdict_get_str(evstate
->data
, "id"));
681 if (evstate
->event
== QAPI_EVENT_QUORUM_REPORT_BAD
) {
682 hash
+= g_str_hash(qdict_get_str(evstate
->data
, "node-name"));
688 static gboolean
qapi_event_throttle_equal(const void *a
, const void *b
)
690 const MonitorQAPIEventState
*eva
= a
;
691 const MonitorQAPIEventState
*evb
= b
;
693 if (eva
->event
!= evb
->event
) {
697 if (eva
->event
== QAPI_EVENT_VSERPORT_CHANGE
) {
698 return !strcmp(qdict_get_str(eva
->data
, "id"),
699 qdict_get_str(evb
->data
, "id"));
702 if (eva
->event
== QAPI_EVENT_QUORUM_REPORT_BAD
) {
703 return !strcmp(qdict_get_str(eva
->data
, "node-name"),
704 qdict_get_str(evb
->data
, "node-name"));
710 static void monitor_qapi_event_init(void)
712 if (qtest_enabled()) {
713 event_clock_type
= QEMU_CLOCK_VIRTUAL
;
716 monitor_qapi_event_state
= g_hash_table_new(qapi_event_throttle_hash
,
717 qapi_event_throttle_equal
);
718 qmp_event_set_func_emit(monitor_qapi_event_queue
);
721 static void handle_hmp_command(Monitor
*mon
, const char *cmdline
);
723 static void monitor_data_init(Monitor
*mon
, bool skip_flush
,
726 memset(mon
, 0, sizeof(Monitor
));
727 qemu_mutex_init(&mon
->out_lock
);
728 qemu_mutex_init(&mon
->qmp
.qmp_queue_lock
);
729 mon
->outbuf
= qstring_new();
730 /* Use *mon_cmds by default. */
731 mon
->cmd_table
= mon_cmds
;
732 mon
->skip_flush
= skip_flush
;
733 mon
->use_io_thr
= use_io_thr
;
734 mon
->qmp
.qmp_requests
= g_queue_new();
735 mon
->qmp
.qmp_responses
= g_queue_new();
738 static void monitor_data_destroy(Monitor
*mon
)
740 g_free(mon
->mon_cpu_path
);
741 qemu_chr_fe_deinit(&mon
->chr
, false);
742 if (monitor_is_qmp(mon
)) {
743 json_message_parser_destroy(&mon
->qmp
.parser
);
745 readline_free(mon
->rs
);
746 qobject_unref(mon
->outbuf
);
747 qemu_mutex_destroy(&mon
->out_lock
);
748 qemu_mutex_destroy(&mon
->qmp
.qmp_queue_lock
);
749 monitor_qmp_cleanup_req_queue_locked(mon
);
750 monitor_qmp_cleanup_resp_queue_locked(mon
);
751 g_queue_free(mon
->qmp
.qmp_requests
);
752 g_queue_free(mon
->qmp
.qmp_responses
);
755 char *qmp_human_monitor_command(const char *command_line
, bool has_cpu_index
,
756 int64_t cpu_index
, Error
**errp
)
759 Monitor
*old_mon
, hmp
;
761 monitor_data_init(&hmp
, true, false);
767 int ret
= monitor_set_cpu(cpu_index
);
770 error_setg(errp
, QERR_INVALID_PARAMETER_VALUE
, "cpu-index",
776 handle_hmp_command(&hmp
, command_line
);
779 qemu_mutex_lock(&hmp
.out_lock
);
780 if (qstring_get_length(hmp
.outbuf
) > 0) {
781 output
= g_strdup(qstring_get_str(hmp
.outbuf
));
783 output
= g_strdup("");
785 qemu_mutex_unlock(&hmp
.out_lock
);
788 monitor_data_destroy(&hmp
);
792 static int compare_cmd(const char *name
, const char *list
)
794 const char *p
, *pstart
;
802 p
= pstart
+ strlen(pstart
);
803 if ((p
- pstart
) == len
&& !memcmp(pstart
, name
, len
))
812 static int get_str(char *buf
, int buf_size
, const char **pp
)
820 while (qemu_isspace(*p
)) {
831 while (*p
!= '\0' && *p
!= '\"') {
847 printf("unsupported escape code: '\\%c'\n", c
);
850 if ((q
- buf
) < buf_size
- 1) {
854 if ((q
- buf
) < buf_size
- 1) {
861 printf("unterminated string\n");
866 while (*p
!= '\0' && !qemu_isspace(*p
)) {
867 if ((q
- buf
) < buf_size
- 1) {
880 static void free_cmdline_args(char **args
, int nb_args
)
884 assert(nb_args
<= MAX_ARGS
);
886 for (i
= 0; i
< nb_args
; i
++) {
893 * Parse the command line to get valid args.
894 * @cmdline: command line to be parsed.
895 * @pnb_args: location to store the number of args, must NOT be NULL.
896 * @args: location to store the args, which should be freed by caller, must
899 * Returns 0 on success, negative on failure.
901 * NOTE: this parser is an approximate form of the real command parser. Number
902 * of args have a limit of MAX_ARGS. If cmdline contains more, it will
903 * return with failure.
905 static int parse_cmdline(const char *cmdline
,
906 int *pnb_args
, char **args
)
915 while (qemu_isspace(*p
)) {
921 if (nb_args
>= MAX_ARGS
) {
924 ret
= get_str(buf
, sizeof(buf
), &p
);
928 args
[nb_args
] = g_strdup(buf
);
935 free_cmdline_args(args
, nb_args
);
939 static void help_cmd_dump_one(Monitor
*mon
,
940 const mon_cmd_t
*cmd
,
946 for (i
= 0; i
< prefix_args_nb
; i
++) {
947 monitor_printf(mon
, "%s ", prefix_args
[i
]);
949 monitor_printf(mon
, "%s %s -- %s\n", cmd
->name
, cmd
->params
, cmd
->help
);
952 /* @args[@arg_index] is the valid command need to find in @cmds */
953 static void help_cmd_dump(Monitor
*mon
, const mon_cmd_t
*cmds
,
954 char **args
, int nb_args
, int arg_index
)
956 const mon_cmd_t
*cmd
;
958 /* No valid arg need to compare with, dump all in *cmds */
959 if (arg_index
>= nb_args
) {
960 for (cmd
= cmds
; cmd
->name
!= NULL
; cmd
++) {
961 help_cmd_dump_one(mon
, cmd
, args
, arg_index
);
966 /* Find one entry to dump */
967 for (cmd
= cmds
; cmd
->name
!= NULL
; cmd
++) {
968 if (compare_cmd(args
[arg_index
], cmd
->name
)) {
969 if (cmd
->sub_table
) {
970 /* continue with next arg */
971 help_cmd_dump(mon
, cmd
->sub_table
,
972 args
, nb_args
, arg_index
+ 1);
974 help_cmd_dump_one(mon
, cmd
, args
, arg_index
);
981 static void help_cmd(Monitor
*mon
, const char *name
)
983 char *args
[MAX_ARGS
];
986 /* 1. parse user input */
988 /* special case for log, directly dump and return */
989 if (!strcmp(name
, "log")) {
990 const QEMULogItem
*item
;
991 monitor_printf(mon
, "Log items (comma separated):\n");
992 monitor_printf(mon
, "%-10s %s\n", "none", "remove all logs");
993 for (item
= qemu_log_items
; item
->mask
!= 0; item
++) {
994 monitor_printf(mon
, "%-10s %s\n", item
->name
, item
->help
);
999 if (parse_cmdline(name
, &nb_args
, args
) < 0) {
1004 /* 2. dump the contents according to parsed args */
1005 help_cmd_dump(mon
, mon
->cmd_table
, args
, nb_args
, 0);
1007 free_cmdline_args(args
, nb_args
);
1010 static void do_help_cmd(Monitor
*mon
, const QDict
*qdict
)
1012 help_cmd(mon
, qdict_get_try_str(qdict
, "name"));
1015 static void hmp_trace_event(Monitor
*mon
, const QDict
*qdict
)
1017 const char *tp_name
= qdict_get_str(qdict
, "name");
1018 bool new_state
= qdict_get_bool(qdict
, "option");
1019 bool has_vcpu
= qdict_haskey(qdict
, "vcpu");
1020 int vcpu
= qdict_get_try_int(qdict
, "vcpu", 0);
1021 Error
*local_err
= NULL
;
1024 monitor_printf(mon
, "argument vcpu must be positive");
1028 qmp_trace_event_set_state(tp_name
, new_state
, true, true, has_vcpu
, vcpu
, &local_err
);
1030 error_report_err(local_err
);
1034 #ifdef CONFIG_TRACE_SIMPLE
1035 static void hmp_trace_file(Monitor
*mon
, const QDict
*qdict
)
1037 const char *op
= qdict_get_try_str(qdict
, "op");
1038 const char *arg
= qdict_get_try_str(qdict
, "arg");
1041 st_print_trace_file_status((FILE *)mon
, &monitor_fprintf
);
1042 } else if (!strcmp(op
, "on")) {
1043 st_set_trace_file_enabled(true);
1044 } else if (!strcmp(op
, "off")) {
1045 st_set_trace_file_enabled(false);
1046 } else if (!strcmp(op
, "flush")) {
1047 st_flush_trace_buffer();
1048 } else if (!strcmp(op
, "set")) {
1050 st_set_trace_file(arg
);
1053 monitor_printf(mon
, "unexpected argument \"%s\"\n", op
);
1054 help_cmd(mon
, "trace-file");
1059 static void hmp_info_help(Monitor
*mon
, const QDict
*qdict
)
1061 help_cmd(mon
, "info");
1064 static void query_commands_cb(QmpCommand
*cmd
, void *opaque
)
1066 CommandInfoList
*info
, **list
= opaque
;
1068 if (!cmd
->enabled
) {
1072 info
= g_malloc0(sizeof(*info
));
1073 info
->value
= g_malloc0(sizeof(*info
->value
));
1074 info
->value
->name
= g_strdup(cmd
->name
);
1079 CommandInfoList
*qmp_query_commands(Error
**errp
)
1081 CommandInfoList
*list
= NULL
;
1083 qmp_for_each_command(cur_mon
->qmp
.commands
, query_commands_cb
, &list
);
1088 EventInfoList
*qmp_query_events(Error
**errp
)
1090 EventInfoList
*info
, *ev_list
= NULL
;
1093 for (e
= 0 ; e
< QAPI_EVENT__MAX
; e
++) {
1094 const char *event_name
= QAPIEvent_str(e
);
1095 assert(event_name
!= NULL
);
1096 info
= g_malloc0(sizeof(*info
));
1097 info
->value
= g_malloc0(sizeof(*info
->value
));
1098 info
->value
->name
= g_strdup(event_name
);
1100 info
->next
= ev_list
;
1108 * Minor hack: generated marshalling suppressed for this command
1109 * ('gen': false in the schema) so we can parse the JSON string
1110 * directly into QObject instead of first parsing it with
1111 * visit_type_SchemaInfoList() into a SchemaInfoList, then marshal it
1112 * to QObject with generated output marshallers, every time. Instead,
1113 * we do it in test-qobject-input-visitor.c, just to make sure
1114 * qapi-gen.py's output actually conforms to the schema.
1116 static void qmp_query_qmp_schema(QDict
*qdict
, QObject
**ret_data
,
1119 *ret_data
= qobject_from_qlit(&qmp_schema_qlit
);
1123 * We used to define commands in qmp-commands.hx in addition to the
1124 * QAPI schema. This permitted defining some of them only in certain
1125 * configurations. query-commands has always reflected that (good,
1126 * because it lets QMP clients figure out what's actually available),
1127 * while query-qmp-schema never did (not so good). This function is a
1128 * hack to keep the configuration-specific commands defined exactly as
1129 * before, even though qmp-commands.hx is gone.
1131 * FIXME Educate the QAPI schema on configuration-specific commands,
1132 * and drop this hack.
1134 static void qmp_unregister_commands_hack(void)
1136 #ifndef CONFIG_SPICE
1137 qmp_unregister_command(&qmp_commands
, "query-spice");
1139 #ifndef CONFIG_REPLICATION
1140 qmp_unregister_command(&qmp_commands
, "xen-set-replication");
1141 qmp_unregister_command(&qmp_commands
, "query-xen-replication-status");
1142 qmp_unregister_command(&qmp_commands
, "xen-colo-do-checkpoint");
1145 qmp_unregister_command(&qmp_commands
, "rtc-reset-reinjection");
1146 qmp_unregister_command(&qmp_commands
, "query-sev");
1147 qmp_unregister_command(&qmp_commands
, "query-sev-launch-measure");
1148 qmp_unregister_command(&qmp_commands
, "query-sev-capabilities");
1150 #ifndef TARGET_S390X
1151 qmp_unregister_command(&qmp_commands
, "dump-skeys");
1154 qmp_unregister_command(&qmp_commands
, "query-gic-capabilities");
1156 #if !defined(TARGET_S390X) && !defined(TARGET_I386)
1157 qmp_unregister_command(&qmp_commands
, "query-cpu-model-expansion");
1159 #if !defined(TARGET_S390X)
1160 qmp_unregister_command(&qmp_commands
, "query-cpu-model-baseline");
1161 qmp_unregister_command(&qmp_commands
, "query-cpu-model-comparison");
1163 #if !defined(TARGET_PPC) && !defined(TARGET_ARM) && !defined(TARGET_I386) \
1164 && !defined(TARGET_S390X)
1165 qmp_unregister_command(&qmp_commands
, "query-cpu-definitions");
1169 static void monitor_init_qmp_commands(void)
1172 * Two command lists:
1173 * - qmp_commands contains all QMP commands
1174 * - qmp_cap_negotiation_commands contains just
1175 * "qmp_capabilities", to enforce capability negotiation
1178 qmp_init_marshal(&qmp_commands
);
1180 qmp_register_command(&qmp_commands
, "query-qmp-schema",
1181 qmp_query_qmp_schema
,
1183 qmp_register_command(&qmp_commands
, "device_add", qmp_device_add
,
1185 qmp_register_command(&qmp_commands
, "netdev_add", qmp_netdev_add
,
1188 qmp_unregister_commands_hack();
1190 QTAILQ_INIT(&qmp_cap_negotiation_commands
);
1191 qmp_register_command(&qmp_cap_negotiation_commands
, "qmp_capabilities",
1192 qmp_marshal_qmp_capabilities
, QCO_NO_OPTIONS
);
1195 static bool qmp_cap_enabled(Monitor
*mon
, QMPCapability cap
)
1197 return mon
->qmp
.qmp_caps
[cap
];
1200 static bool qmp_oob_enabled(Monitor
*mon
)
1202 return qmp_cap_enabled(mon
, QMP_CAPABILITY_OOB
);
1205 static void qmp_caps_check(Monitor
*mon
, QMPCapabilityList
*list
,
1208 for (; list
; list
= list
->next
) {
1209 assert(list
->value
< QMP_CAPABILITY__MAX
);
1210 switch (list
->value
) {
1211 case QMP_CAPABILITY_OOB
:
1212 if (!mon
->use_io_thr
) {
1214 * Out-Of-Band only works with monitors that are
1215 * running on dedicated IOThread.
1217 error_setg(errp
, "This monitor does not support "
1218 "Out-Of-Band (OOB)");
1228 /* This function should only be called after capabilities are checked. */
1229 static void qmp_caps_apply(Monitor
*mon
, QMPCapabilityList
*list
)
1231 for (; list
; list
= list
->next
) {
1232 mon
->qmp
.qmp_caps
[list
->value
] = true;
1237 * Return true if check successful, or false otherwise. When false is
1238 * returned, detailed error will be in errp if provided.
1240 static bool qmp_cmd_oob_check(Monitor
*mon
, QDict
*req
, Error
**errp
)
1242 const char *command
;
1245 command
= qdict_get_try_str(req
, "execute");
1247 error_setg(errp
, "Command field 'execute' missing");
1251 cmd
= qmp_find_command(mon
->qmp
.commands
, command
);
1253 if (mon
->qmp
.commands
== &qmp_cap_negotiation_commands
) {
1254 error_set(errp
, ERROR_CLASS_COMMAND_NOT_FOUND
,
1255 "Expecting capabilities negotiation "
1256 "with 'qmp_capabilities'");
1258 error_set(errp
, ERROR_CLASS_COMMAND_NOT_FOUND
,
1259 "The command %s has not been found", command
);
1264 if (qmp_is_oob(req
)) {
1265 if (!qmp_oob_enabled(mon
)) {
1266 error_setg(errp
, "Please enable Out-Of-Band first "
1267 "for the session during capabilities negotiation");
1270 if (!(cmd
->options
& QCO_ALLOW_OOB
)) {
1271 error_setg(errp
, "The command %s does not support OOB",
1280 void qmp_qmp_capabilities(bool has_enable
, QMPCapabilityList
*enable
,
1283 Error
*local_err
= NULL
;
1285 if (cur_mon
->qmp
.commands
== &qmp_commands
) {
1286 error_set(errp
, ERROR_CLASS_COMMAND_NOT_FOUND
,
1287 "Capabilities negotiation is already complete, command "
1292 /* Enable QMP capabilities provided by the client if applicable. */
1294 qmp_caps_check(cur_mon
, enable
, &local_err
);
1297 * Failed check on any of the capabilities will fail the
1298 * entire command (and thus not apply any of the other
1299 * capabilities that were also requested).
1301 error_propagate(errp
, local_err
);
1304 qmp_caps_apply(cur_mon
, enable
);
1307 cur_mon
->qmp
.commands
= &qmp_commands
;
1310 /* set the current CPU defined by the user */
1311 int monitor_set_cpu(int cpu_index
)
1315 cpu
= qemu_get_cpu(cpu_index
);
1319 g_free(cur_mon
->mon_cpu_path
);
1320 cur_mon
->mon_cpu_path
= object_get_canonical_path(OBJECT(cpu
));
1324 static CPUState
*mon_get_cpu_sync(bool synchronize
)
1328 if (cur_mon
->mon_cpu_path
) {
1329 cpu
= (CPUState
*) object_resolve_path_type(cur_mon
->mon_cpu_path
,
1332 g_free(cur_mon
->mon_cpu_path
);
1333 cur_mon
->mon_cpu_path
= NULL
;
1336 if (!cur_mon
->mon_cpu_path
) {
1340 monitor_set_cpu(first_cpu
->cpu_index
);
1344 cpu_synchronize_state(cpu
);
1349 CPUState
*mon_get_cpu(void)
1351 return mon_get_cpu_sync(true);
1354 CPUArchState
*mon_get_cpu_env(void)
1356 CPUState
*cs
= mon_get_cpu();
1358 return cs
? cs
->env_ptr
: NULL
;
1361 int monitor_get_cpu_index(void)
1363 CPUState
*cs
= mon_get_cpu_sync(false);
1365 return cs
? cs
->cpu_index
: UNASSIGNED_CPU_INDEX
;
1368 static void hmp_info_registers(Monitor
*mon
, const QDict
*qdict
)
1370 bool all_cpus
= qdict_get_try_bool(qdict
, "cpustate_all", false);
1375 monitor_printf(mon
, "\nCPU#%d\n", cs
->cpu_index
);
1376 cpu_dump_state(cs
, (FILE *)mon
, monitor_fprintf
, CPU_DUMP_FPU
);
1382 monitor_printf(mon
, "No CPU available\n");
1386 cpu_dump_state(cs
, (FILE *)mon
, monitor_fprintf
, CPU_DUMP_FPU
);
1391 static void hmp_info_jit(Monitor
*mon
, const QDict
*qdict
)
1393 if (!tcg_enabled()) {
1394 error_report("JIT information is only available with accel=tcg");
1398 dump_exec_info((FILE *)mon
, monitor_fprintf
);
1399 dump_drift_info((FILE *)mon
, monitor_fprintf
);
1402 static void hmp_info_opcount(Monitor
*mon
, const QDict
*qdict
)
1404 dump_opcount_info((FILE *)mon
, monitor_fprintf
);
1408 static void hmp_info_history(Monitor
*mon
, const QDict
*qdict
)
1417 str
= readline_get_history(mon
->rs
, i
);
1420 monitor_printf(mon
, "%d: '%s'\n", i
, str
);
1425 static void hmp_info_cpustats(Monitor
*mon
, const QDict
*qdict
)
1427 CPUState
*cs
= mon_get_cpu();
1430 monitor_printf(mon
, "No CPU available\n");
1433 cpu_dump_statistics(cs
, (FILE *)mon
, &monitor_fprintf
, 0);
1436 static void hmp_info_trace_events(Monitor
*mon
, const QDict
*qdict
)
1438 const char *name
= qdict_get_try_str(qdict
, "name");
1439 bool has_vcpu
= qdict_haskey(qdict
, "vcpu");
1440 int vcpu
= qdict_get_try_int(qdict
, "vcpu", 0);
1441 TraceEventInfoList
*events
;
1442 TraceEventInfoList
*elem
;
1443 Error
*local_err
= NULL
;
1449 monitor_printf(mon
, "argument vcpu must be positive");
1453 events
= qmp_trace_event_get_state(name
, has_vcpu
, vcpu
, &local_err
);
1455 error_report_err(local_err
);
1459 for (elem
= events
; elem
!= NULL
; elem
= elem
->next
) {
1460 monitor_printf(mon
, "%s : state %u\n",
1462 elem
->value
->state
== TRACE_EVENT_STATE_ENABLED
? 1 : 0);
1464 qapi_free_TraceEventInfoList(events
);
1467 void qmp_client_migrate_info(const char *protocol
, const char *hostname
,
1468 bool has_port
, int64_t port
,
1469 bool has_tls_port
, int64_t tls_port
,
1470 bool has_cert_subject
, const char *cert_subject
,
1473 if (strcmp(protocol
, "spice") == 0) {
1474 if (!qemu_using_spice(errp
)) {
1478 if (!has_port
&& !has_tls_port
) {
1479 error_setg(errp
, QERR_MISSING_PARAMETER
, "port/tls-port");
1483 if (qemu_spice_migrate_info(hostname
,
1484 has_port
? port
: -1,
1485 has_tls_port
? tls_port
: -1,
1487 error_setg(errp
, QERR_UNDEFINED_ERROR
);
1493 error_setg(errp
, QERR_INVALID_PARAMETER_VALUE
, "protocol", "spice");
1496 static void hmp_logfile(Monitor
*mon
, const QDict
*qdict
)
1500 qemu_set_log_filename(qdict_get_str(qdict
, "filename"), &err
);
1502 error_report_err(err
);
1506 static void hmp_log(Monitor
*mon
, const QDict
*qdict
)
1509 const char *items
= qdict_get_str(qdict
, "items");
1511 if (!strcmp(items
, "none")) {
1514 mask
= qemu_str_to_log_mask(items
);
1516 help_cmd(mon
, "log");
1523 static void hmp_singlestep(Monitor
*mon
, const QDict
*qdict
)
1525 const char *option
= qdict_get_try_str(qdict
, "option");
1526 if (!option
|| !strcmp(option
, "on")) {
1528 } else if (!strcmp(option
, "off")) {
1531 monitor_printf(mon
, "unexpected option %s\n", option
);
1535 static void hmp_gdbserver(Monitor
*mon
, const QDict
*qdict
)
1537 const char *device
= qdict_get_try_str(qdict
, "device");
1539 device
= "tcp::" DEFAULT_GDBSTUB_PORT
;
1540 if (gdbserver_start(device
) < 0) {
1541 monitor_printf(mon
, "Could not open gdbserver on device '%s'\n",
1543 } else if (strcmp(device
, "none") == 0) {
1544 monitor_printf(mon
, "Disabled gdbserver\n");
1546 monitor_printf(mon
, "Waiting for gdb connection on device '%s'\n",
1551 static void hmp_watchdog_action(Monitor
*mon
, const QDict
*qdict
)
1553 const char *action
= qdict_get_str(qdict
, "action");
1554 if (select_watchdog_action(action
) == -1) {
1555 monitor_printf(mon
, "Unknown watchdog action '%s'\n", action
);
1559 static void monitor_printc(Monitor
*mon
, int c
)
1561 monitor_printf(mon
, "'");
1564 monitor_printf(mon
, "\\'");
1567 monitor_printf(mon
, "\\\\");
1570 monitor_printf(mon
, "\\n");
1573 monitor_printf(mon
, "\\r");
1576 if (c
>= 32 && c
<= 126) {
1577 monitor_printf(mon
, "%c", c
);
1579 monitor_printf(mon
, "\\x%02x", c
);
1583 monitor_printf(mon
, "'");
1586 static void memory_dump(Monitor
*mon
, int count
, int format
, int wsize
,
1587 hwaddr addr
, int is_physical
)
1589 int l
, line_size
, i
, max_digits
, len
;
1592 CPUState
*cs
= mon_get_cpu();
1594 if (!cs
&& (format
== 'i' || !is_physical
)) {
1595 monitor_printf(mon
, "Can not dump without CPU\n");
1599 if (format
== 'i') {
1600 monitor_disas(mon
, cs
, addr
, count
, is_physical
);
1604 len
= wsize
* count
;
1613 max_digits
= DIV_ROUND_UP(wsize
* 8, 3);
1617 max_digits
= (wsize
* 8) / 4;
1621 max_digits
= DIV_ROUND_UP(wsize
* 8 * 10, 33);
1630 monitor_printf(mon
, TARGET_FMT_plx
":", addr
);
1632 monitor_printf(mon
, TARGET_FMT_lx
":", (target_ulong
)addr
);
1637 cpu_physical_memory_read(addr
, buf
, l
);
1639 if (cpu_memory_rw_debug(cs
, addr
, buf
, l
, 0) < 0) {
1640 monitor_printf(mon
, " Cannot access memory\n");
1649 v
= ldub_p(buf
+ i
);
1652 v
= lduw_p(buf
+ i
);
1655 v
= (uint32_t)ldl_p(buf
+ i
);
1661 monitor_printf(mon
, " ");
1664 monitor_printf(mon
, "%#*" PRIo64
, max_digits
, v
);
1667 monitor_printf(mon
, "0x%0*" PRIx64
, max_digits
, v
);
1670 monitor_printf(mon
, "%*" PRIu64
, max_digits
, v
);
1673 monitor_printf(mon
, "%*" PRId64
, max_digits
, v
);
1676 monitor_printc(mon
, v
);
1681 monitor_printf(mon
, "\n");
1687 static void hmp_memory_dump(Monitor
*mon
, const QDict
*qdict
)
1689 int count
= qdict_get_int(qdict
, "count");
1690 int format
= qdict_get_int(qdict
, "format");
1691 int size
= qdict_get_int(qdict
, "size");
1692 target_long addr
= qdict_get_int(qdict
, "addr");
1694 memory_dump(mon
, count
, format
, size
, addr
, 0);
1697 static void hmp_physical_memory_dump(Monitor
*mon
, const QDict
*qdict
)
1699 int count
= qdict_get_int(qdict
, "count");
1700 int format
= qdict_get_int(qdict
, "format");
1701 int size
= qdict_get_int(qdict
, "size");
1702 hwaddr addr
= qdict_get_int(qdict
, "addr");
1704 memory_dump(mon
, count
, format
, size
, addr
, 1);
1707 static void *gpa2hva(MemoryRegion
**p_mr
, hwaddr addr
, Error
**errp
)
1709 MemoryRegionSection mrs
= memory_region_find(get_system_memory(),
1713 error_setg(errp
, "No memory is mapped at address 0x%" HWADDR_PRIx
, addr
);
1717 if (!memory_region_is_ram(mrs
.mr
) && !memory_region_is_romd(mrs
.mr
)) {
1718 error_setg(errp
, "Memory at address 0x%" HWADDR_PRIx
"is not RAM", addr
);
1719 memory_region_unref(mrs
.mr
);
1724 return qemu_map_ram_ptr(mrs
.mr
->ram_block
, mrs
.offset_within_region
);
1727 static void hmp_gpa2hva(Monitor
*mon
, const QDict
*qdict
)
1729 hwaddr addr
= qdict_get_int(qdict
, "addr");
1730 Error
*local_err
= NULL
;
1731 MemoryRegion
*mr
= NULL
;
1734 ptr
= gpa2hva(&mr
, addr
, &local_err
);
1736 error_report_err(local_err
);
1740 monitor_printf(mon
, "Host virtual address for 0x%" HWADDR_PRIx
1742 addr
, mr
->name
, ptr
);
1744 memory_region_unref(mr
);
1748 static uint64_t vtop(void *ptr
, Error
**errp
)
1752 uintptr_t addr
= (uintptr_t) ptr
;
1753 uintptr_t pagesize
= getpagesize();
1754 off_t offset
= addr
/ pagesize
* sizeof(pinfo
);
1757 fd
= open("/proc/self/pagemap", O_RDONLY
);
1759 error_setg_errno(errp
, errno
, "Cannot open /proc/self/pagemap");
1763 /* Force copy-on-write if necessary. */
1764 atomic_add((uint8_t *)ptr
, 0);
1766 if (pread(fd
, &pinfo
, sizeof(pinfo
), offset
) != sizeof(pinfo
)) {
1767 error_setg_errno(errp
, errno
, "Cannot read pagemap");
1770 if ((pinfo
& (1ull << 63)) == 0) {
1771 error_setg(errp
, "Page not present");
1774 ret
= ((pinfo
& 0x007fffffffffffffull
) * pagesize
) | (addr
& (pagesize
- 1));
1781 static void hmp_gpa2hpa(Monitor
*mon
, const QDict
*qdict
)
1783 hwaddr addr
= qdict_get_int(qdict
, "addr");
1784 Error
*local_err
= NULL
;
1785 MemoryRegion
*mr
= NULL
;
1789 ptr
= gpa2hva(&mr
, addr
, &local_err
);
1791 error_report_err(local_err
);
1795 physaddr
= vtop(ptr
, &local_err
);
1797 error_report_err(local_err
);
1799 monitor_printf(mon
, "Host physical address for 0x%" HWADDR_PRIx
1800 " (%s) is 0x%" PRIx64
"\n",
1801 addr
, mr
->name
, (uint64_t) physaddr
);
1804 memory_region_unref(mr
);
1808 static void do_print(Monitor
*mon
, const QDict
*qdict
)
1810 int format
= qdict_get_int(qdict
, "format");
1811 hwaddr val
= qdict_get_int(qdict
, "val");
1815 monitor_printf(mon
, "%#" HWADDR_PRIo
, val
);
1818 monitor_printf(mon
, "%#" HWADDR_PRIx
, val
);
1821 monitor_printf(mon
, "%" HWADDR_PRIu
, val
);
1825 monitor_printf(mon
, "%" HWADDR_PRId
, val
);
1828 monitor_printc(mon
, val
);
1831 monitor_printf(mon
, "\n");
1834 static void hmp_sum(Monitor
*mon
, const QDict
*qdict
)
1838 uint32_t start
= qdict_get_int(qdict
, "start");
1839 uint32_t size
= qdict_get_int(qdict
, "size");
1842 for(addr
= start
; addr
< (start
+ size
); addr
++) {
1843 uint8_t val
= address_space_ldub(&address_space_memory
, addr
,
1844 MEMTXATTRS_UNSPECIFIED
, NULL
);
1845 /* BSD sum algorithm ('sum' Unix command) */
1846 sum
= (sum
>> 1) | (sum
<< 15);
1849 monitor_printf(mon
, "%05d\n", sum
);
1852 static int mouse_button_state
;
1854 static void hmp_mouse_move(Monitor
*mon
, const QDict
*qdict
)
1856 int dx
, dy
, dz
, button
;
1857 const char *dx_str
= qdict_get_str(qdict
, "dx_str");
1858 const char *dy_str
= qdict_get_str(qdict
, "dy_str");
1859 const char *dz_str
= qdict_get_try_str(qdict
, "dz_str");
1861 dx
= strtol(dx_str
, NULL
, 0);
1862 dy
= strtol(dy_str
, NULL
, 0);
1863 qemu_input_queue_rel(NULL
, INPUT_AXIS_X
, dx
);
1864 qemu_input_queue_rel(NULL
, INPUT_AXIS_Y
, dy
);
1867 dz
= strtol(dz_str
, NULL
, 0);
1869 button
= (dz
> 0) ? INPUT_BUTTON_WHEEL_UP
: INPUT_BUTTON_WHEEL_DOWN
;
1870 qemu_input_queue_btn(NULL
, button
, true);
1871 qemu_input_event_sync();
1872 qemu_input_queue_btn(NULL
, button
, false);
1875 qemu_input_event_sync();
1878 static void hmp_mouse_button(Monitor
*mon
, const QDict
*qdict
)
1880 static uint32_t bmap
[INPUT_BUTTON__MAX
] = {
1881 [INPUT_BUTTON_LEFT
] = MOUSE_EVENT_LBUTTON
,
1882 [INPUT_BUTTON_MIDDLE
] = MOUSE_EVENT_MBUTTON
,
1883 [INPUT_BUTTON_RIGHT
] = MOUSE_EVENT_RBUTTON
,
1885 int button_state
= qdict_get_int(qdict
, "button_state");
1887 if (mouse_button_state
== button_state
) {
1890 qemu_input_update_buttons(NULL
, bmap
, mouse_button_state
, button_state
);
1891 qemu_input_event_sync();
1892 mouse_button_state
= button_state
;
1895 static void hmp_ioport_read(Monitor
*mon
, const QDict
*qdict
)
1897 int size
= qdict_get_int(qdict
, "size");
1898 int addr
= qdict_get_int(qdict
, "addr");
1899 int has_index
= qdict_haskey(qdict
, "index");
1904 int index
= qdict_get_int(qdict
, "index");
1905 cpu_outb(addr
& IOPORTS_MASK
, index
& 0xff);
1913 val
= cpu_inb(addr
);
1917 val
= cpu_inw(addr
);
1921 val
= cpu_inl(addr
);
1925 monitor_printf(mon
, "port%c[0x%04x] = %#0*x\n",
1926 suffix
, addr
, size
* 2, val
);
1929 static void hmp_ioport_write(Monitor
*mon
, const QDict
*qdict
)
1931 int size
= qdict_get_int(qdict
, "size");
1932 int addr
= qdict_get_int(qdict
, "addr");
1933 int val
= qdict_get_int(qdict
, "val");
1935 addr
&= IOPORTS_MASK
;
1940 cpu_outb(addr
, val
);
1943 cpu_outw(addr
, val
);
1946 cpu_outl(addr
, val
);
1951 static void hmp_boot_set(Monitor
*mon
, const QDict
*qdict
)
1953 Error
*local_err
= NULL
;
1954 const char *bootdevice
= qdict_get_str(qdict
, "bootdevice");
1956 qemu_boot_set(bootdevice
, &local_err
);
1958 error_report_err(local_err
);
1960 monitor_printf(mon
, "boot device list now set to %s\n", bootdevice
);
1964 static void hmp_info_mtree(Monitor
*mon
, const QDict
*qdict
)
1966 bool flatview
= qdict_get_try_bool(qdict
, "flatview", false);
1967 bool dispatch_tree
= qdict_get_try_bool(qdict
, "dispatch_tree", false);
1969 mtree_info((fprintf_function
)monitor_printf
, mon
, flatview
, dispatch_tree
);
1972 static void hmp_info_numa(Monitor
*mon
, const QDict
*qdict
)
1975 NumaNodeMem
*node_mem
;
1976 CpuInfoList
*cpu_list
, *cpu
;
1978 cpu_list
= qmp_query_cpus(&error_abort
);
1979 node_mem
= g_new0(NumaNodeMem
, nb_numa_nodes
);
1981 query_numa_node_mem(node_mem
);
1982 monitor_printf(mon
, "%d nodes\n", nb_numa_nodes
);
1983 for (i
= 0; i
< nb_numa_nodes
; i
++) {
1984 monitor_printf(mon
, "node %d cpus:", i
);
1985 for (cpu
= cpu_list
; cpu
; cpu
= cpu
->next
) {
1986 if (cpu
->value
->has_props
&& cpu
->value
->props
->has_node_id
&&
1987 cpu
->value
->props
->node_id
== i
) {
1988 monitor_printf(mon
, " %" PRIi64
, cpu
->value
->CPU
);
1991 monitor_printf(mon
, "\n");
1992 monitor_printf(mon
, "node %d size: %" PRId64
" MB\n", i
,
1993 node_mem
[i
].node_mem
>> 20);
1994 monitor_printf(mon
, "node %d plugged: %" PRId64
" MB\n", i
,
1995 node_mem
[i
].node_plugged_mem
>> 20);
1997 qapi_free_CpuInfoList(cpu_list
);
2001 #ifdef CONFIG_PROFILER
2006 static void hmp_info_profile(Monitor
*mon
, const QDict
*qdict
)
2008 monitor_printf(mon
, "async time %" PRId64
" (%0.3f)\n",
2009 dev_time
, dev_time
/ (double)NANOSECONDS_PER_SECOND
);
2010 monitor_printf(mon
, "qemu time %" PRId64
" (%0.3f)\n",
2011 tcg_time
, tcg_time
/ (double)NANOSECONDS_PER_SECOND
);
2016 static void hmp_info_profile(Monitor
*mon
, const QDict
*qdict
)
2018 monitor_printf(mon
, "Internal profiler not compiled\n");
2022 /* Capture support */
2023 static QLIST_HEAD (capture_list_head
, CaptureState
) capture_head
;
2025 static void hmp_info_capture(Monitor
*mon
, const QDict
*qdict
)
2030 for (s
= capture_head
.lh_first
, i
= 0; s
; s
= s
->entries
.le_next
, ++i
) {
2031 monitor_printf(mon
, "[%d]: ", i
);
2032 s
->ops
.info (s
->opaque
);
2036 static void hmp_stopcapture(Monitor
*mon
, const QDict
*qdict
)
2039 int n
= qdict_get_int(qdict
, "n");
2042 for (s
= capture_head
.lh_first
, i
= 0; s
; s
= s
->entries
.le_next
, ++i
) {
2044 s
->ops
.destroy (s
->opaque
);
2045 QLIST_REMOVE (s
, entries
);
2052 static void hmp_wavcapture(Monitor
*mon
, const QDict
*qdict
)
2054 const char *path
= qdict_get_str(qdict
, "path");
2055 int has_freq
= qdict_haskey(qdict
, "freq");
2056 int freq
= qdict_get_try_int(qdict
, "freq", -1);
2057 int has_bits
= qdict_haskey(qdict
, "bits");
2058 int bits
= qdict_get_try_int(qdict
, "bits", -1);
2059 int has_channels
= qdict_haskey(qdict
, "nchannels");
2060 int nchannels
= qdict_get_try_int(qdict
, "nchannels", -1);
2063 s
= g_malloc0 (sizeof (*s
));
2065 freq
= has_freq
? freq
: 44100;
2066 bits
= has_bits
? bits
: 16;
2067 nchannels
= has_channels
? nchannels
: 2;
2069 if (wav_start_capture (s
, path
, freq
, bits
, nchannels
)) {
2070 monitor_printf(mon
, "Failed to add wave capture\n");
2074 QLIST_INSERT_HEAD (&capture_head
, s
, entries
);
2077 static qemu_acl
*find_acl(Monitor
*mon
, const char *name
)
2079 qemu_acl
*acl
= qemu_acl_find(name
);
2082 monitor_printf(mon
, "acl: unknown list '%s'\n", name
);
2087 static void hmp_acl_show(Monitor
*mon
, const QDict
*qdict
)
2089 const char *aclname
= qdict_get_str(qdict
, "aclname");
2090 qemu_acl
*acl
= find_acl(mon
, aclname
);
2091 qemu_acl_entry
*entry
;
2095 monitor_printf(mon
, "policy: %s\n",
2096 acl
->defaultDeny
? "deny" : "allow");
2097 QTAILQ_FOREACH(entry
, &acl
->entries
, next
) {
2099 monitor_printf(mon
, "%d: %s %s\n", i
,
2100 entry
->deny
? "deny" : "allow", entry
->match
);
2105 static void hmp_acl_reset(Monitor
*mon
, const QDict
*qdict
)
2107 const char *aclname
= qdict_get_str(qdict
, "aclname");
2108 qemu_acl
*acl
= find_acl(mon
, aclname
);
2111 qemu_acl_reset(acl
);
2112 monitor_printf(mon
, "acl: removed all rules\n");
2116 static void hmp_acl_policy(Monitor
*mon
, const QDict
*qdict
)
2118 const char *aclname
= qdict_get_str(qdict
, "aclname");
2119 const char *policy
= qdict_get_str(qdict
, "policy");
2120 qemu_acl
*acl
= find_acl(mon
, aclname
);
2123 if (strcmp(policy
, "allow") == 0) {
2124 acl
->defaultDeny
= 0;
2125 monitor_printf(mon
, "acl: policy set to 'allow'\n");
2126 } else if (strcmp(policy
, "deny") == 0) {
2127 acl
->defaultDeny
= 1;
2128 monitor_printf(mon
, "acl: policy set to 'deny'\n");
2130 monitor_printf(mon
, "acl: unknown policy '%s', "
2131 "expected 'deny' or 'allow'\n", policy
);
2136 static void hmp_acl_add(Monitor
*mon
, const QDict
*qdict
)
2138 const char *aclname
= qdict_get_str(qdict
, "aclname");
2139 const char *match
= qdict_get_str(qdict
, "match");
2140 const char *policy
= qdict_get_str(qdict
, "policy");
2141 int has_index
= qdict_haskey(qdict
, "index");
2142 int index
= qdict_get_try_int(qdict
, "index", -1);
2143 qemu_acl
*acl
= find_acl(mon
, aclname
);
2147 if (strcmp(policy
, "allow") == 0) {
2149 } else if (strcmp(policy
, "deny") == 0) {
2152 monitor_printf(mon
, "acl: unknown policy '%s', "
2153 "expected 'deny' or 'allow'\n", policy
);
2157 ret
= qemu_acl_insert(acl
, deny
, match
, index
);
2159 ret
= qemu_acl_append(acl
, deny
, match
);
2161 monitor_printf(mon
, "acl: unable to add acl entry\n");
2163 monitor_printf(mon
, "acl: added rule at position %d\n", ret
);
2167 static void hmp_acl_remove(Monitor
*mon
, const QDict
*qdict
)
2169 const char *aclname
= qdict_get_str(qdict
, "aclname");
2170 const char *match
= qdict_get_str(qdict
, "match");
2171 qemu_acl
*acl
= find_acl(mon
, aclname
);
2175 ret
= qemu_acl_remove(acl
, match
);
2177 monitor_printf(mon
, "acl: no matching acl entry\n");
2179 monitor_printf(mon
, "acl: removed rule at position %d\n", ret
);
2183 void qmp_getfd(const char *fdname
, Error
**errp
)
2188 fd
= qemu_chr_fe_get_msgfd(&cur_mon
->chr
);
2190 error_setg(errp
, QERR_FD_NOT_SUPPLIED
);
2194 if (qemu_isdigit(fdname
[0])) {
2196 error_setg(errp
, QERR_INVALID_PARAMETER_VALUE
, "fdname",
2197 "a name not starting with a digit");
2201 QLIST_FOREACH(monfd
, &cur_mon
->fds
, next
) {
2202 if (strcmp(monfd
->name
, fdname
) != 0) {
2211 monfd
= g_malloc0(sizeof(mon_fd_t
));
2212 monfd
->name
= g_strdup(fdname
);
2215 QLIST_INSERT_HEAD(&cur_mon
->fds
, monfd
, next
);
2218 void qmp_closefd(const char *fdname
, Error
**errp
)
2222 QLIST_FOREACH(monfd
, &cur_mon
->fds
, next
) {
2223 if (strcmp(monfd
->name
, fdname
) != 0) {
2227 QLIST_REMOVE(monfd
, next
);
2229 g_free(monfd
->name
);
2234 error_setg(errp
, QERR_FD_NOT_FOUND
, fdname
);
2237 int monitor_get_fd(Monitor
*mon
, const char *fdname
, Error
**errp
)
2241 QLIST_FOREACH(monfd
, &mon
->fds
, next
) {
2244 if (strcmp(monfd
->name
, fdname
) != 0) {
2250 /* caller takes ownership of fd */
2251 QLIST_REMOVE(monfd
, next
);
2252 g_free(monfd
->name
);
2258 error_setg(errp
, "File descriptor named '%s' has not been found", fdname
);
2262 static void monitor_fdset_cleanup(MonFdset
*mon_fdset
)
2264 MonFdsetFd
*mon_fdset_fd
;
2265 MonFdsetFd
*mon_fdset_fd_next
;
2267 QLIST_FOREACH_SAFE(mon_fdset_fd
, &mon_fdset
->fds
, next
, mon_fdset_fd_next
) {
2268 if ((mon_fdset_fd
->removed
||
2269 (QLIST_EMPTY(&mon_fdset
->dup_fds
) && mon_refcount
== 0)) &&
2270 runstate_is_running()) {
2271 close(mon_fdset_fd
->fd
);
2272 g_free(mon_fdset_fd
->opaque
);
2273 QLIST_REMOVE(mon_fdset_fd
, next
);
2274 g_free(mon_fdset_fd
);
2278 if (QLIST_EMPTY(&mon_fdset
->fds
) && QLIST_EMPTY(&mon_fdset
->dup_fds
)) {
2279 QLIST_REMOVE(mon_fdset
, next
);
2284 static void monitor_fdsets_cleanup(void)
2286 MonFdset
*mon_fdset
;
2287 MonFdset
*mon_fdset_next
;
2289 QLIST_FOREACH_SAFE(mon_fdset
, &mon_fdsets
, next
, mon_fdset_next
) {
2290 monitor_fdset_cleanup(mon_fdset
);
2294 AddfdInfo
*qmp_add_fd(bool has_fdset_id
, int64_t fdset_id
, bool has_opaque
,
2295 const char *opaque
, Error
**errp
)
2298 Monitor
*mon
= cur_mon
;
2301 fd
= qemu_chr_fe_get_msgfd(&mon
->chr
);
2303 error_setg(errp
, QERR_FD_NOT_SUPPLIED
);
2307 fdinfo
= monitor_fdset_add_fd(fd
, has_fdset_id
, fdset_id
,
2308 has_opaque
, opaque
, errp
);
2320 void qmp_remove_fd(int64_t fdset_id
, bool has_fd
, int64_t fd
, Error
**errp
)
2322 MonFdset
*mon_fdset
;
2323 MonFdsetFd
*mon_fdset_fd
;
2326 QLIST_FOREACH(mon_fdset
, &mon_fdsets
, next
) {
2327 if (mon_fdset
->id
!= fdset_id
) {
2330 QLIST_FOREACH(mon_fdset_fd
, &mon_fdset
->fds
, next
) {
2332 if (mon_fdset_fd
->fd
!= fd
) {
2335 mon_fdset_fd
->removed
= true;
2338 mon_fdset_fd
->removed
= true;
2341 if (has_fd
&& !mon_fdset_fd
) {
2344 monitor_fdset_cleanup(mon_fdset
);
2350 snprintf(fd_str
, sizeof(fd_str
), "fdset-id:%" PRId64
", fd:%" PRId64
,
2353 snprintf(fd_str
, sizeof(fd_str
), "fdset-id:%" PRId64
, fdset_id
);
2355 error_setg(errp
, QERR_FD_NOT_FOUND
, fd_str
);
2358 FdsetInfoList
*qmp_query_fdsets(Error
**errp
)
2360 MonFdset
*mon_fdset
;
2361 MonFdsetFd
*mon_fdset_fd
;
2362 FdsetInfoList
*fdset_list
= NULL
;
2364 QLIST_FOREACH(mon_fdset
, &mon_fdsets
, next
) {
2365 FdsetInfoList
*fdset_info
= g_malloc0(sizeof(*fdset_info
));
2366 FdsetFdInfoList
*fdsetfd_list
= NULL
;
2368 fdset_info
->value
= g_malloc0(sizeof(*fdset_info
->value
));
2369 fdset_info
->value
->fdset_id
= mon_fdset
->id
;
2371 QLIST_FOREACH(mon_fdset_fd
, &mon_fdset
->fds
, next
) {
2372 FdsetFdInfoList
*fdsetfd_info
;
2374 fdsetfd_info
= g_malloc0(sizeof(*fdsetfd_info
));
2375 fdsetfd_info
->value
= g_malloc0(sizeof(*fdsetfd_info
->value
));
2376 fdsetfd_info
->value
->fd
= mon_fdset_fd
->fd
;
2377 if (mon_fdset_fd
->opaque
) {
2378 fdsetfd_info
->value
->has_opaque
= true;
2379 fdsetfd_info
->value
->opaque
= g_strdup(mon_fdset_fd
->opaque
);
2381 fdsetfd_info
->value
->has_opaque
= false;
2384 fdsetfd_info
->next
= fdsetfd_list
;
2385 fdsetfd_list
= fdsetfd_info
;
2388 fdset_info
->value
->fds
= fdsetfd_list
;
2390 fdset_info
->next
= fdset_list
;
2391 fdset_list
= fdset_info
;
2397 AddfdInfo
*monitor_fdset_add_fd(int fd
, bool has_fdset_id
, int64_t fdset_id
,
2398 bool has_opaque
, const char *opaque
,
2401 MonFdset
*mon_fdset
= NULL
;
2402 MonFdsetFd
*mon_fdset_fd
;
2406 QLIST_FOREACH(mon_fdset
, &mon_fdsets
, next
) {
2407 /* Break if match found or match impossible due to ordering by ID */
2408 if (fdset_id
<= mon_fdset
->id
) {
2409 if (fdset_id
< mon_fdset
->id
) {
2417 if (mon_fdset
== NULL
) {
2418 int64_t fdset_id_prev
= -1;
2419 MonFdset
*mon_fdset_cur
= QLIST_FIRST(&mon_fdsets
);
2423 error_setg(errp
, QERR_INVALID_PARAMETER_VALUE
, "fdset-id",
2424 "a non-negative value");
2427 /* Use specified fdset ID */
2428 QLIST_FOREACH(mon_fdset
, &mon_fdsets
, next
) {
2429 mon_fdset_cur
= mon_fdset
;
2430 if (fdset_id
< mon_fdset_cur
->id
) {
2435 /* Use first available fdset ID */
2436 QLIST_FOREACH(mon_fdset
, &mon_fdsets
, next
) {
2437 mon_fdset_cur
= mon_fdset
;
2438 if (fdset_id_prev
== mon_fdset_cur
->id
- 1) {
2439 fdset_id_prev
= mon_fdset_cur
->id
;
2446 mon_fdset
= g_malloc0(sizeof(*mon_fdset
));
2448 mon_fdset
->id
= fdset_id
;
2450 mon_fdset
->id
= fdset_id_prev
+ 1;
2453 /* The fdset list is ordered by fdset ID */
2454 if (!mon_fdset_cur
) {
2455 QLIST_INSERT_HEAD(&mon_fdsets
, mon_fdset
, next
);
2456 } else if (mon_fdset
->id
< mon_fdset_cur
->id
) {
2457 QLIST_INSERT_BEFORE(mon_fdset_cur
, mon_fdset
, next
);
2459 QLIST_INSERT_AFTER(mon_fdset_cur
, mon_fdset
, next
);
2463 mon_fdset_fd
= g_malloc0(sizeof(*mon_fdset_fd
));
2464 mon_fdset_fd
->fd
= fd
;
2465 mon_fdset_fd
->removed
= false;
2467 mon_fdset_fd
->opaque
= g_strdup(opaque
);
2469 QLIST_INSERT_HEAD(&mon_fdset
->fds
, mon_fdset_fd
, next
);
2471 fdinfo
= g_malloc0(sizeof(*fdinfo
));
2472 fdinfo
->fdset_id
= mon_fdset
->id
;
2473 fdinfo
->fd
= mon_fdset_fd
->fd
;
2478 int monitor_fdset_get_fd(int64_t fdset_id
, int flags
)
2481 MonFdset
*mon_fdset
;
2482 MonFdsetFd
*mon_fdset_fd
;
2485 QLIST_FOREACH(mon_fdset
, &mon_fdsets
, next
) {
2486 if (mon_fdset
->id
!= fdset_id
) {
2489 QLIST_FOREACH(mon_fdset_fd
, &mon_fdset
->fds
, next
) {
2490 mon_fd_flags
= fcntl(mon_fdset_fd
->fd
, F_GETFL
);
2491 if (mon_fd_flags
== -1) {
2495 if ((flags
& O_ACCMODE
) == (mon_fd_flags
& O_ACCMODE
)) {
2496 return mon_fdset_fd
->fd
;
2508 int monitor_fdset_dup_fd_add(int64_t fdset_id
, int dup_fd
)
2510 MonFdset
*mon_fdset
;
2511 MonFdsetFd
*mon_fdset_fd_dup
;
2513 QLIST_FOREACH(mon_fdset
, &mon_fdsets
, next
) {
2514 if (mon_fdset
->id
!= fdset_id
) {
2517 QLIST_FOREACH(mon_fdset_fd_dup
, &mon_fdset
->dup_fds
, next
) {
2518 if (mon_fdset_fd_dup
->fd
== dup_fd
) {
2522 mon_fdset_fd_dup
= g_malloc0(sizeof(*mon_fdset_fd_dup
));
2523 mon_fdset_fd_dup
->fd
= dup_fd
;
2524 QLIST_INSERT_HEAD(&mon_fdset
->dup_fds
, mon_fdset_fd_dup
, next
);
2530 static int monitor_fdset_dup_fd_find_remove(int dup_fd
, bool remove
)
2532 MonFdset
*mon_fdset
;
2533 MonFdsetFd
*mon_fdset_fd_dup
;
2535 QLIST_FOREACH(mon_fdset
, &mon_fdsets
, next
) {
2536 QLIST_FOREACH(mon_fdset_fd_dup
, &mon_fdset
->dup_fds
, next
) {
2537 if (mon_fdset_fd_dup
->fd
== dup_fd
) {
2539 QLIST_REMOVE(mon_fdset_fd_dup
, next
);
2540 if (QLIST_EMPTY(&mon_fdset
->dup_fds
)) {
2541 monitor_fdset_cleanup(mon_fdset
);
2545 return mon_fdset
->id
;
2553 int monitor_fdset_dup_fd_find(int dup_fd
)
2555 return monitor_fdset_dup_fd_find_remove(dup_fd
, false);
2558 void monitor_fdset_dup_fd_remove(int dup_fd
)
2560 monitor_fdset_dup_fd_find_remove(dup_fd
, true);
2563 int monitor_fd_param(Monitor
*mon
, const char *fdname
, Error
**errp
)
2566 Error
*local_err
= NULL
;
2568 if (!qemu_isdigit(fdname
[0]) && mon
) {
2569 fd
= monitor_get_fd(mon
, fdname
, &local_err
);
2571 fd
= qemu_parse_fd(fdname
);
2573 error_setg(&local_err
, "Invalid file descriptor number '%s'",
2578 error_propagate(errp
, local_err
);
2587 /* Please update hmp-commands.hx when adding or changing commands */
2588 static mon_cmd_t info_cmds
[] = {
2589 #include "hmp-commands-info.h"
2593 /* mon_cmds and info_cmds would be sorted at runtime */
2594 static mon_cmd_t mon_cmds
[] = {
2595 #include "hmp-commands.h"
2599 /*******************************************************************/
2601 static const char *pch
;
2602 static sigjmp_buf expr_env
;
2605 static void GCC_FMT_ATTR(2, 3) QEMU_NORETURN
2606 expr_error(Monitor
*mon
, const char *fmt
, ...)
2610 monitor_vprintf(mon
, fmt
, ap
);
2611 monitor_printf(mon
, "\n");
2613 siglongjmp(expr_env
, 1);
2616 /* return 0 if OK, -1 if not found */
2617 static int get_monitor_def(target_long
*pval
, const char *name
)
2619 const MonitorDef
*md
= target_monitor_defs();
2620 CPUState
*cs
= mon_get_cpu();
2625 if (cs
== NULL
|| md
== NULL
) {
2629 for(; md
->name
!= NULL
; md
++) {
2630 if (compare_cmd(name
, md
->name
)) {
2631 if (md
->get_value
) {
2632 *pval
= md
->get_value(md
, md
->offset
);
2634 CPUArchState
*env
= mon_get_cpu_env();
2635 ptr
= (uint8_t *)env
+ md
->offset
;
2638 *pval
= *(int32_t *)ptr
;
2641 *pval
= *(target_long
*)ptr
;
2652 ret
= target_get_monitor_def(cs
, name
, &tmp
);
2654 *pval
= (target_long
) tmp
;
2660 static void next(void)
2664 while (qemu_isspace(*pch
))
2669 static int64_t expr_sum(Monitor
*mon
);
2671 static int64_t expr_unary(Monitor
*mon
)
2680 n
= expr_unary(mon
);
2684 n
= -expr_unary(mon
);
2688 n
= ~expr_unary(mon
);
2694 expr_error(mon
, "')' expected");
2701 expr_error(mon
, "character constant expected");
2705 expr_error(mon
, "missing terminating \' character");
2715 while ((*pch
>= 'a' && *pch
<= 'z') ||
2716 (*pch
>= 'A' && *pch
<= 'Z') ||
2717 (*pch
>= '0' && *pch
<= '9') ||
2718 *pch
== '_' || *pch
== '.') {
2719 if ((q
- buf
) < sizeof(buf
) - 1)
2723 while (qemu_isspace(*pch
))
2726 ret
= get_monitor_def(®
, buf
);
2728 expr_error(mon
, "unknown register");
2733 expr_error(mon
, "unexpected end of expression");
2738 n
= strtoull(pch
, &p
, 0);
2739 if (errno
== ERANGE
) {
2740 expr_error(mon
, "number too large");
2743 expr_error(mon
, "invalid char '%c' in expression", *p
);
2746 while (qemu_isspace(*pch
))
2754 static int64_t expr_prod(Monitor
*mon
)
2759 val
= expr_unary(mon
);
2762 if (op
!= '*' && op
!= '/' && op
!= '%')
2765 val2
= expr_unary(mon
);
2774 expr_error(mon
, "division by zero");
2785 static int64_t expr_logic(Monitor
*mon
)
2790 val
= expr_prod(mon
);
2793 if (op
!= '&' && op
!= '|' && op
!= '^')
2796 val2
= expr_prod(mon
);
2813 static int64_t expr_sum(Monitor
*mon
)
2818 val
= expr_logic(mon
);
2821 if (op
!= '+' && op
!= '-')
2824 val2
= expr_logic(mon
);
2833 static int get_expr(Monitor
*mon
, int64_t *pval
, const char **pp
)
2836 if (sigsetjmp(expr_env
, 0)) {
2840 while (qemu_isspace(*pch
))
2842 *pval
= expr_sum(mon
);
2847 static int get_double(Monitor
*mon
, double *pval
, const char **pp
)
2849 const char *p
= *pp
;
2853 d
= strtod(p
, &tailp
);
2855 monitor_printf(mon
, "Number expected\n");
2858 if (d
!= d
|| d
- d
!= 0) {
2859 /* NaN or infinity */
2860 monitor_printf(mon
, "Bad number\n");
2869 * Store the command-name in cmdname, and return a pointer to
2870 * the remaining of the command string.
2872 static const char *get_command_name(const char *cmdline
,
2873 char *cmdname
, size_t nlen
)
2876 const char *p
, *pstart
;
2879 while (qemu_isspace(*p
))
2884 while (*p
!= '\0' && *p
!= '/' && !qemu_isspace(*p
))
2889 memcpy(cmdname
, pstart
, len
);
2890 cmdname
[len
] = '\0';
2895 * Read key of 'type' into 'key' and return the current
2898 static char *key_get_info(const char *type
, char **key
)
2906 p
= strchr(type
, ':');
2913 str
= g_malloc(len
+ 1);
2914 memcpy(str
, type
, len
);
2921 static int default_fmt_format
= 'x';
2922 static int default_fmt_size
= 4;
2924 static int is_valid_option(const char *c
, const char *typestr
)
2932 typestr
= strstr(typestr
, option
);
2933 return (typestr
!= NULL
);
2936 static const mon_cmd_t
*search_dispatch_table(const mon_cmd_t
*disp_table
,
2937 const char *cmdname
)
2939 const mon_cmd_t
*cmd
;
2941 for (cmd
= disp_table
; cmd
->name
!= NULL
; cmd
++) {
2942 if (compare_cmd(cmdname
, cmd
->name
)) {
2951 * Parse command name from @cmdp according to command table @table.
2952 * If blank, return NULL.
2953 * Else, if no valid command can be found, report to @mon, and return
2955 * Else, change @cmdp to point right behind the name, and return its
2956 * command table entry.
2957 * Do not assume the return value points into @table! It doesn't when
2958 * the command is found in a sub-command table.
2960 static const mon_cmd_t
*monitor_parse_command(Monitor
*mon
,
2961 const char *cmdp_start
,
2966 const mon_cmd_t
*cmd
;
2969 /* extract the command name */
2970 p
= get_command_name(*cmdp
, cmdname
, sizeof(cmdname
));
2974 cmd
= search_dispatch_table(table
, cmdname
);
2976 monitor_printf(mon
, "unknown command: '%.*s'\n",
2977 (int)(p
- cmdp_start
), cmdp_start
);
2981 /* filter out following useless space */
2982 while (qemu_isspace(*p
)) {
2987 /* search sub command */
2988 if (cmd
->sub_table
!= NULL
&& *p
!= '\0') {
2989 return monitor_parse_command(mon
, cmdp_start
, cmdp
, cmd
->sub_table
);
2996 * Parse arguments for @cmd.
2997 * If it can't be parsed, report to @mon, and return NULL.
2998 * Else, insert command arguments into a QDict, and return it.
2999 * Note: On success, caller has to free the QDict structure.
3002 static QDict
*monitor_parse_arguments(Monitor
*mon
,
3004 const mon_cmd_t
*cmd
)
3006 const char *typestr
;
3009 const char *p
= *endp
;
3011 QDict
*qdict
= qdict_new();
3013 /* parse the parameters */
3014 typestr
= cmd
->args_type
;
3016 typestr
= key_get_info(typestr
, &key
);
3028 while (qemu_isspace(*p
))
3030 if (*typestr
== '?') {
3033 /* no optional string: NULL argument */
3037 ret
= get_str(buf
, sizeof(buf
), &p
);
3041 monitor_printf(mon
, "%s: filename expected\n",
3045 monitor_printf(mon
, "%s: block device name expected\n",
3049 monitor_printf(mon
, "%s: string expected\n", cmd
->name
);
3054 qdict_put_str(qdict
, key
, buf
);
3059 QemuOptsList
*opts_list
;
3062 opts_list
= qemu_find_opts(key
);
3063 if (!opts_list
|| opts_list
->desc
->name
) {
3066 while (qemu_isspace(*p
)) {
3071 if (get_str(buf
, sizeof(buf
), &p
) < 0) {
3074 opts
= qemu_opts_parse_noisily(opts_list
, buf
, true);
3078 qemu_opts_to_qdict(opts
, qdict
);
3079 qemu_opts_del(opts
);
3084 int count
, format
, size
;
3086 while (qemu_isspace(*p
))
3092 if (qemu_isdigit(*p
)) {
3094 while (qemu_isdigit(*p
)) {
3095 count
= count
* 10 + (*p
- '0');
3133 if (*p
!= '\0' && !qemu_isspace(*p
)) {
3134 monitor_printf(mon
, "invalid char in format: '%c'\n",
3139 format
= default_fmt_format
;
3140 if (format
!= 'i') {
3141 /* for 'i', not specifying a size gives -1 as size */
3143 size
= default_fmt_size
;
3144 default_fmt_size
= size
;
3146 default_fmt_format
= format
;
3149 format
= default_fmt_format
;
3150 if (format
!= 'i') {
3151 size
= default_fmt_size
;
3156 qdict_put_int(qdict
, "count", count
);
3157 qdict_put_int(qdict
, "format", format
);
3158 qdict_put_int(qdict
, "size", size
);
3167 while (qemu_isspace(*p
))
3169 if (*typestr
== '?' || *typestr
== '.') {
3170 if (*typestr
== '?') {
3178 while (qemu_isspace(*p
))
3187 if (get_expr(mon
, &val
, &p
))
3189 /* Check if 'i' is greater than 32-bit */
3190 if ((c
== 'i') && ((val
>> 32) & 0xffffffff)) {
3191 monitor_printf(mon
, "\'%s\' has failed: ", cmd
->name
);
3192 monitor_printf(mon
, "integer is for 32-bit values\n");
3194 } else if (c
== 'M') {
3196 monitor_printf(mon
, "enter a positive value\n");
3201 qdict_put_int(qdict
, key
, val
);
3210 while (qemu_isspace(*p
)) {
3213 if (*typestr
== '?') {
3219 ret
= qemu_strtosz_MiB(p
, &end
, &val
);
3220 if (ret
< 0 || val
> INT64_MAX
) {
3221 monitor_printf(mon
, "invalid size\n");
3224 qdict_put_int(qdict
, key
, val
);
3232 while (qemu_isspace(*p
))
3234 if (*typestr
== '?') {
3240 if (get_double(mon
, &val
, &p
) < 0) {
3243 if (p
[0] && p
[1] == 's') {
3246 val
/= 1e3
; p
+= 2; break;
3248 val
/= 1e6
; p
+= 2; break;
3250 val
/= 1e9
; p
+= 2; break;
3253 if (*p
&& !qemu_isspace(*p
)) {
3254 monitor_printf(mon
, "Unknown unit suffix\n");
3257 qdict_put(qdict
, key
, qnum_from_double(val
));
3265 while (qemu_isspace(*p
)) {
3269 while (qemu_isgraph(*p
)) {
3272 if (p
- beg
== 2 && !memcmp(beg
, "on", p
- beg
)) {
3274 } else if (p
- beg
== 3 && !memcmp(beg
, "off", p
- beg
)) {
3277 monitor_printf(mon
, "Expected 'on' or 'off'\n");
3280 qdict_put_bool(qdict
, key
, val
);
3285 const char *tmp
= p
;
3292 while (qemu_isspace(*p
))
3297 if(!is_valid_option(p
, typestr
)) {
3299 monitor_printf(mon
, "%s: unsupported option -%c\n",
3311 qdict_put_bool(qdict
, key
, true);
3318 /* package all remaining string */
3321 while (qemu_isspace(*p
)) {
3324 if (*typestr
== '?') {
3327 /* no remaining string: NULL argument */
3333 monitor_printf(mon
, "%s: string expected\n",
3337 qdict_put_str(qdict
, key
, p
);
3343 monitor_printf(mon
, "%s: unknown type '%c'\n", cmd
->name
, c
);
3349 /* check that all arguments were parsed */
3350 while (qemu_isspace(*p
))
3353 monitor_printf(mon
, "%s: extraneous characters at the end of line\n",
3361 qobject_unref(qdict
);
3366 static void handle_hmp_command(Monitor
*mon
, const char *cmdline
)
3369 const mon_cmd_t
*cmd
;
3371 trace_handle_hmp_command(mon
, cmdline
);
3373 cmd
= monitor_parse_command(mon
, cmdline
, &cmdline
, mon
->cmd_table
);
3378 qdict
= monitor_parse_arguments(mon
, &cmdline
, cmd
);
3380 monitor_printf(mon
, "Try \"help %s\" for more information\n",
3385 cmd
->cmd(mon
, qdict
);
3386 qobject_unref(qdict
);
3389 static void cmd_completion(Monitor
*mon
, const char *name
, const char *list
)
3391 const char *p
, *pstart
;
3400 p
= pstart
+ strlen(pstart
);
3402 if (len
> sizeof(cmd
) - 2)
3403 len
= sizeof(cmd
) - 2;
3404 memcpy(cmd
, pstart
, len
);
3406 if (name
[0] == '\0' || !strncmp(name
, cmd
, strlen(name
))) {
3407 readline_add_completion(mon
->rs
, cmd
);
3415 static void file_completion(Monitor
*mon
, const char *input
)
3420 char file
[1024], file_prefix
[1024];
3424 p
= strrchr(input
, '/');
3427 pstrcpy(file_prefix
, sizeof(file_prefix
), input
);
3428 pstrcpy(path
, sizeof(path
), ".");
3430 input_path_len
= p
- input
+ 1;
3431 memcpy(path
, input
, input_path_len
);
3432 if (input_path_len
> sizeof(path
) - 1)
3433 input_path_len
= sizeof(path
) - 1;
3434 path
[input_path_len
] = '\0';
3435 pstrcpy(file_prefix
, sizeof(file_prefix
), p
+ 1);
3438 ffs
= opendir(path
);
3447 if (strcmp(d
->d_name
, ".") == 0 || strcmp(d
->d_name
, "..") == 0) {
3451 if (strstart(d
->d_name
, file_prefix
, NULL
)) {
3452 memcpy(file
, input
, input_path_len
);
3453 if (input_path_len
< sizeof(file
))
3454 pstrcpy(file
+ input_path_len
, sizeof(file
) - input_path_len
,
3456 /* stat the file to find out if it's a directory.
3457 * In that case add a slash to speed up typing long paths
3459 if (stat(file
, &sb
) == 0 && S_ISDIR(sb
.st_mode
)) {
3460 pstrcat(file
, sizeof(file
), "/");
3462 readline_add_completion(mon
->rs
, file
);
3468 static const char *next_arg_type(const char *typestr
)
3470 const char *p
= strchr(typestr
, ':');
3471 return (p
!= NULL
? ++p
: typestr
);
3474 static void add_completion_option(ReadLineState
*rs
, const char *str
,
3477 if (!str
|| !option
) {
3480 if (!strncmp(option
, str
, strlen(str
))) {
3481 readline_add_completion(rs
, option
);
3485 void chardev_add_completion(ReadLineState
*rs
, int nb_args
, const char *str
)
3488 ChardevBackendInfoList
*list
, *start
;
3494 readline_set_completion_index(rs
, len
);
3496 start
= list
= qmp_query_chardev_backends(NULL
);
3498 const char *chr_name
= list
->value
->name
;
3500 if (!strncmp(chr_name
, str
, len
)) {
3501 readline_add_completion(rs
, chr_name
);
3505 qapi_free_ChardevBackendInfoList(start
);
3508 void netdev_add_completion(ReadLineState
*rs
, int nb_args
, const char *str
)
3517 readline_set_completion_index(rs
, len
);
3518 for (i
= 0; i
< NET_CLIENT_DRIVER__MAX
; i
++) {
3519 add_completion_option(rs
, str
, NetClientDriver_str(i
));
3523 void device_add_completion(ReadLineState
*rs
, int nb_args
, const char *str
)
3533 readline_set_completion_index(rs
, len
);
3534 list
= elt
= object_class_get_list(TYPE_DEVICE
, false);
3537 DeviceClass
*dc
= OBJECT_CLASS_CHECK(DeviceClass
, elt
->data
,
3539 name
= object_class_get_name(OBJECT_CLASS(dc
));
3541 if (dc
->user_creatable
3542 && !strncmp(name
, str
, len
)) {
3543 readline_add_completion(rs
, name
);
3550 void object_add_completion(ReadLineState
*rs
, int nb_args
, const char *str
)
3560 readline_set_completion_index(rs
, len
);
3561 list
= elt
= object_class_get_list(TYPE_USER_CREATABLE
, false);
3565 name
= object_class_get_name(OBJECT_CLASS(elt
->data
));
3566 if (!strncmp(name
, str
, len
) && strcmp(name
, TYPE_USER_CREATABLE
)) {
3567 readline_add_completion(rs
, name
);
3574 static void peripheral_device_del_completion(ReadLineState
*rs
,
3575 const char *str
, size_t len
)
3577 Object
*peripheral
= container_get(qdev_get_machine(), "/peripheral");
3578 GSList
*list
, *item
;
3580 list
= qdev_build_hotpluggable_device_list(peripheral
);
3585 for (item
= list
; item
; item
= g_slist_next(item
)) {
3586 DeviceState
*dev
= item
->data
;
3588 if (dev
->id
&& !strncmp(str
, dev
->id
, len
)) {
3589 readline_add_completion(rs
, dev
->id
);
3596 void chardev_remove_completion(ReadLineState
*rs
, int nb_args
, const char *str
)
3599 ChardevInfoList
*list
, *start
;
3605 readline_set_completion_index(rs
, len
);
3607 start
= list
= qmp_query_chardev(NULL
);
3609 ChardevInfo
*chr
= list
->value
;
3611 if (!strncmp(chr
->label
, str
, len
)) {
3612 readline_add_completion(rs
, chr
->label
);
3616 qapi_free_ChardevInfoList(start
);
3619 static void ringbuf_completion(ReadLineState
*rs
, const char *str
)
3622 ChardevInfoList
*list
, *start
;
3625 readline_set_completion_index(rs
, len
);
3627 start
= list
= qmp_query_chardev(NULL
);
3629 ChardevInfo
*chr_info
= list
->value
;
3631 if (!strncmp(chr_info
->label
, str
, len
)) {
3632 Chardev
*chr
= qemu_chr_find(chr_info
->label
);
3633 if (chr
&& CHARDEV_IS_RINGBUF(chr
)) {
3634 readline_add_completion(rs
, chr_info
->label
);
3639 qapi_free_ChardevInfoList(start
);
3642 void ringbuf_write_completion(ReadLineState
*rs
, int nb_args
, const char *str
)
3647 ringbuf_completion(rs
, str
);
3650 void device_del_completion(ReadLineState
*rs
, int nb_args
, const char *str
)
3659 readline_set_completion_index(rs
, len
);
3660 peripheral_device_del_completion(rs
, str
, len
);
3663 void object_del_completion(ReadLineState
*rs
, int nb_args
, const char *str
)
3665 ObjectPropertyInfoList
*list
, *start
;
3672 readline_set_completion_index(rs
, len
);
3674 start
= list
= qmp_qom_list("/objects", NULL
);
3676 ObjectPropertyInfo
*info
= list
->value
;
3678 if (!strncmp(info
->type
, "child<", 5)
3679 && !strncmp(info
->name
, str
, len
)) {
3680 readline_add_completion(rs
, info
->name
);
3684 qapi_free_ObjectPropertyInfoList(start
);
3687 void sendkey_completion(ReadLineState
*rs
, int nb_args
, const char *str
)
3696 sep
= strrchr(str
, '-');
3701 readline_set_completion_index(rs
, len
);
3702 for (i
= 0; i
< Q_KEY_CODE__MAX
; i
++) {
3703 if (!strncmp(str
, QKeyCode_str(i
), len
)) {
3704 readline_add_completion(rs
, QKeyCode_str(i
));
3709 void set_link_completion(ReadLineState
*rs
, int nb_args
, const char *str
)
3714 readline_set_completion_index(rs
, len
);
3716 NetClientState
*ncs
[MAX_QUEUE_NUM
];
3718 count
= qemu_find_net_clients_except(NULL
, ncs
,
3719 NET_CLIENT_DRIVER_NONE
,
3721 for (i
= 0; i
< MIN(count
, MAX_QUEUE_NUM
); i
++) {
3722 const char *name
= ncs
[i
]->name
;
3723 if (!strncmp(str
, name
, len
)) {
3724 readline_add_completion(rs
, name
);
3727 } else if (nb_args
== 3) {
3728 add_completion_option(rs
, str
, "on");
3729 add_completion_option(rs
, str
, "off");
3733 void netdev_del_completion(ReadLineState
*rs
, int nb_args
, const char *str
)
3736 NetClientState
*ncs
[MAX_QUEUE_NUM
];
3743 readline_set_completion_index(rs
, len
);
3744 count
= qemu_find_net_clients_except(NULL
, ncs
, NET_CLIENT_DRIVER_NIC
,
3746 for (i
= 0; i
< MIN(count
, MAX_QUEUE_NUM
); i
++) {
3748 const char *name
= ncs
[i
]->name
;
3749 if (strncmp(str
, name
, len
)) {
3752 opts
= qemu_opts_find(qemu_find_opts_err("netdev", NULL
), name
);
3754 readline_add_completion(rs
, name
);
3759 void info_trace_events_completion(ReadLineState
*rs
, int nb_args
, const char *str
)
3764 readline_set_completion_index(rs
, len
);
3766 TraceEventIter iter
;
3768 char *pattern
= g_strdup_printf("%s*", str
);
3769 trace_event_iter_init(&iter
, pattern
);
3770 while ((ev
= trace_event_iter_next(&iter
)) != NULL
) {
3771 readline_add_completion(rs
, trace_event_get_name(ev
));
3777 void trace_event_completion(ReadLineState
*rs
, int nb_args
, const char *str
)
3782 readline_set_completion_index(rs
, len
);
3784 TraceEventIter iter
;
3786 char *pattern
= g_strdup_printf("%s*", str
);
3787 trace_event_iter_init(&iter
, pattern
);
3788 while ((ev
= trace_event_iter_next(&iter
)) != NULL
) {
3789 readline_add_completion(rs
, trace_event_get_name(ev
));
3792 } else if (nb_args
== 3) {
3793 add_completion_option(rs
, str
, "on");
3794 add_completion_option(rs
, str
, "off");
3798 void watchdog_action_completion(ReadLineState
*rs
, int nb_args
, const char *str
)
3805 readline_set_completion_index(rs
, strlen(str
));
3806 for (i
= 0; i
< WATCHDOG_ACTION__MAX
; i
++) {
3807 add_completion_option(rs
, str
, WatchdogAction_str(i
));
3811 void migrate_set_capability_completion(ReadLineState
*rs
, int nb_args
,
3817 readline_set_completion_index(rs
, len
);
3820 for (i
= 0; i
< MIGRATION_CAPABILITY__MAX
; i
++) {
3821 const char *name
= MigrationCapability_str(i
);
3822 if (!strncmp(str
, name
, len
)) {
3823 readline_add_completion(rs
, name
);
3826 } else if (nb_args
== 3) {
3827 add_completion_option(rs
, str
, "on");
3828 add_completion_option(rs
, str
, "off");
3832 void migrate_set_parameter_completion(ReadLineState
*rs
, int nb_args
,
3838 readline_set_completion_index(rs
, len
);
3841 for (i
= 0; i
< MIGRATION_PARAMETER__MAX
; i
++) {
3842 const char *name
= MigrationParameter_str(i
);
3843 if (!strncmp(str
, name
, len
)) {
3844 readline_add_completion(rs
, name
);
3850 static void vm_completion(ReadLineState
*rs
, const char *str
)
3853 BlockDriverState
*bs
;
3854 BdrvNextIterator it
;
3857 readline_set_completion_index(rs
, len
);
3859 for (bs
= bdrv_first(&it
); bs
; bs
= bdrv_next(&it
)) {
3860 SnapshotInfoList
*snapshots
, *snapshot
;
3861 AioContext
*ctx
= bdrv_get_aio_context(bs
);
3864 aio_context_acquire(ctx
);
3865 if (bdrv_can_snapshot(bs
)) {
3866 ok
= bdrv_query_snapshot_info_list(bs
, &snapshots
, NULL
) == 0;
3868 aio_context_release(ctx
);
3873 snapshot
= snapshots
;
3875 char *completion
= snapshot
->value
->name
;
3876 if (!strncmp(str
, completion
, len
)) {
3877 readline_add_completion(rs
, completion
);
3879 completion
= snapshot
->value
->id
;
3880 if (!strncmp(str
, completion
, len
)) {
3881 readline_add_completion(rs
, completion
);
3883 snapshot
= snapshot
->next
;
3885 qapi_free_SnapshotInfoList(snapshots
);
3890 void delvm_completion(ReadLineState
*rs
, int nb_args
, const char *str
)
3893 vm_completion(rs
, str
);
3897 void loadvm_completion(ReadLineState
*rs
, int nb_args
, const char *str
)
3900 vm_completion(rs
, str
);
3904 static void monitor_find_completion_by_table(Monitor
*mon
,
3905 const mon_cmd_t
*cmd_table
,
3909 const char *cmdname
;
3911 const char *ptype
, *old_ptype
, *str
, *name
;
3912 const mon_cmd_t
*cmd
;
3913 BlockBackend
*blk
= NULL
;
3916 /* command completion */
3921 readline_set_completion_index(mon
->rs
, strlen(cmdname
));
3922 for (cmd
= cmd_table
; cmd
->name
!= NULL
; cmd
++) {
3923 cmd_completion(mon
, cmdname
, cmd
->name
);
3926 /* find the command */
3927 for (cmd
= cmd_table
; cmd
->name
!= NULL
; cmd
++) {
3928 if (compare_cmd(args
[0], cmd
->name
)) {
3936 if (cmd
->sub_table
) {
3937 /* do the job again */
3938 monitor_find_completion_by_table(mon
, cmd
->sub_table
,
3939 &args
[1], nb_args
- 1);
3942 if (cmd
->command_completion
) {
3943 cmd
->command_completion(mon
->rs
, nb_args
, args
[nb_args
- 1]);
3947 ptype
= next_arg_type(cmd
->args_type
);
3948 for(i
= 0; i
< nb_args
- 2; i
++) {
3949 if (*ptype
!= '\0') {
3950 ptype
= next_arg_type(ptype
);
3951 while (*ptype
== '?')
3952 ptype
= next_arg_type(ptype
);
3955 str
= args
[nb_args
- 1];
3957 while (*ptype
== '-' && old_ptype
!= ptype
) {
3959 ptype
= next_arg_type(ptype
);
3963 /* file completion */
3964 readline_set_completion_index(mon
->rs
, strlen(str
));
3965 file_completion(mon
, str
);
3968 /* block device name completion */
3969 readline_set_completion_index(mon
->rs
, strlen(str
));
3970 while ((blk
= blk_next(blk
)) != NULL
) {
3971 name
= blk_name(blk
);
3972 if (str
[0] == '\0' ||
3973 !strncmp(name
, str
, strlen(str
))) {
3974 readline_add_completion(mon
->rs
, name
);
3980 if (!strcmp(cmd
->name
, "help|?")) {
3981 monitor_find_completion_by_table(mon
, cmd_table
,
3982 &args
[1], nb_args
- 1);
3991 static void monitor_find_completion(void *opaque
,
3992 const char *cmdline
)
3994 Monitor
*mon
= opaque
;
3995 char *args
[MAX_ARGS
];
3998 /* 1. parse the cmdline */
3999 if (parse_cmdline(cmdline
, &nb_args
, args
) < 0) {
4003 /* if the line ends with a space, it means we want to complete the
4005 len
= strlen(cmdline
);
4006 if (len
> 0 && qemu_isspace(cmdline
[len
- 1])) {
4007 if (nb_args
>= MAX_ARGS
) {
4010 args
[nb_args
++] = g_strdup("");
4013 /* 2. auto complete according to args */
4014 monitor_find_completion_by_table(mon
, mon
->cmd_table
, args
, nb_args
);
4017 free_cmdline_args(args
, nb_args
);
4020 static int monitor_can_read(void *opaque
)
4022 Monitor
*mon
= opaque
;
4024 return !atomic_mb_read(&mon
->suspend_cnt
);
4028 * 1. This function takes ownership of rsp, err, and id.
4029 * 2. rsp, err, and id may be NULL.
4030 * 3. If err != NULL then rsp must be NULL.
4032 static void monitor_qmp_respond(Monitor
*mon
, QObject
*rsp
,
4033 Error
*err
, QObject
*id
)
4035 QDict
*qdict
= NULL
;
4039 qdict
= qdict_new();
4040 qdict_put_obj(qdict
, "error", qmp_build_error_object(err
));
4042 rsp
= QOBJECT(qdict
);
4047 qdict_put_obj(qobject_to(QDict
, rsp
), "id", qobject_ref(id
));
4050 monitor_json_emitter(mon
, rsp
);
4058 * Dispatch one single QMP request. The function will free the req_obj
4059 * and objects inside it before return.
4061 static void monitor_qmp_dispatch_one(QMPRequest
*req_obj
)
4063 Monitor
*mon
, *old_mon
;
4064 QObject
*req
, *rsp
= NULL
, *id
;
4070 need_resume
= req_obj
->need_resume
;
4074 if (trace_event_get_state_backends(TRACE_HANDLE_QMP_COMMAND
)) {
4075 QString
*req_json
= qobject_to_json(req
);
4076 trace_handle_qmp_command(mon
, qstring_get_str(req_json
));
4077 qobject_unref(req_json
);
4083 rsp
= qmp_dispatch(mon
->qmp
.commands
, req
);
4087 /* Respond if necessary */
4088 monitor_qmp_respond(mon
, rsp
, NULL
, id
);
4090 /* This pairs with the monitor_suspend() in handle_qmp_command(). */
4092 monitor_resume(mon
);
4099 * Pop one QMP request from monitor queues, return NULL if not found.
4100 * We are using round-robin fashion to pop the request, to avoid
4101 * processing commands only on a very busy monitor. To achieve that,
4102 * when we process one request on a specific monitor, we put that
4103 * monitor to the end of mon_list queue.
4105 static QMPRequest
*monitor_qmp_requests_pop_one(void)
4107 QMPRequest
*req_obj
= NULL
;
4110 qemu_mutex_lock(&monitor_lock
);
4112 QTAILQ_FOREACH(mon
, &mon_list
, entry
) {
4113 qemu_mutex_lock(&mon
->qmp
.qmp_queue_lock
);
4114 req_obj
= g_queue_pop_head(mon
->qmp
.qmp_requests
);
4115 qemu_mutex_unlock(&mon
->qmp
.qmp_queue_lock
);
4123 * We found one request on the monitor. Degrade this monitor's
4124 * priority to lowest by re-inserting it to end of queue.
4126 QTAILQ_REMOVE(&mon_list
, mon
, entry
);
4127 QTAILQ_INSERT_TAIL(&mon_list
, mon
, entry
);
4130 qemu_mutex_unlock(&monitor_lock
);
4135 static void monitor_qmp_bh_dispatcher(void *data
)
4137 QMPRequest
*req_obj
= monitor_qmp_requests_pop_one();
4140 trace_monitor_qmp_cmd_in_band(qobject_get_try_str(req_obj
->id
) ?: "");
4141 monitor_qmp_dispatch_one(req_obj
);
4142 /* Reschedule instead of looping so the main loop stays responsive */
4143 qemu_bh_schedule(mon_global
.qmp_dispatcher_bh
);
4147 #define QMP_REQ_QUEUE_LEN_MAX (8)
4149 static void handle_qmp_command(JSONMessageParser
*parser
, GQueue
*tokens
)
4151 QObject
*req
, *id
= NULL
;
4152 QDict
*qdict
= NULL
;
4153 MonitorQMP
*mon_qmp
= container_of(parser
, MonitorQMP
, parser
);
4154 Monitor
*mon
= container_of(mon_qmp
, Monitor
, qmp
);
4156 QMPRequest
*req_obj
;
4158 req
= json_parser_parse_err(tokens
, NULL
, &err
);
4160 /* json_parser_parse_err() sucks: can fail without setting @err */
4161 error_setg(&err
, QERR_JSON_PARSING
);
4167 /* Check against the request in general layout */
4168 qdict
= qmp_dispatch_check_obj(req
, &err
);
4173 /* Check against OOB specific */
4174 if (!qmp_cmd_oob_check(mon
, qdict
, &err
)) {
4178 id
= qdict_get(qdict
, "id");
4180 /* When OOB is enabled, the "id" field is mandatory. */
4181 if (qmp_oob_enabled(mon
) && !id
) {
4182 error_setg(&err
, "Out-Of-Band capability requires that "
4183 "every command contains an 'id' field");
4187 req_obj
= g_new0(QMPRequest
, 1);
4189 req_obj
->id
= qobject_ref(id
);
4191 req_obj
->need_resume
= false;
4193 qdict_del(qdict
, "id");
4195 if (qmp_is_oob(qdict
)) {
4196 /* Out-Of-Band (OOB) requests are executed directly in parser. */
4197 trace_monitor_qmp_cmd_out_of_band(qobject_get_try_str(req_obj
->id
)
4199 monitor_qmp_dispatch_one(req_obj
);
4203 /* Protect qmp_requests and fetching its length. */
4204 qemu_mutex_lock(&mon
->qmp
.qmp_queue_lock
);
4207 * If OOB is not enabled on the current monitor, we'll emulate the
4208 * old behavior that we won't process the current monitor any more
4209 * until it has responded. This helps make sure that as long as
4210 * OOB is not enabled, the server will never drop any command.
4212 if (!qmp_oob_enabled(mon
)) {
4213 monitor_suspend(mon
);
4214 req_obj
->need_resume
= true;
4216 /* Drop the request if queue is full. */
4217 if (mon
->qmp
.qmp_requests
->length
>= QMP_REQ_QUEUE_LEN_MAX
) {
4218 qemu_mutex_unlock(&mon
->qmp
.qmp_queue_lock
);
4219 qapi_event_send_command_dropped(id
,
4220 COMMAND_DROP_REASON_QUEUE_FULL
,
4222 qmp_request_free(req_obj
);
4228 * Put the request to the end of queue so that requests will be
4229 * handled in time order. Ownership for req_obj, req, id,
4230 * etc. will be delivered to the handler side.
4232 g_queue_push_tail(mon
->qmp
.qmp_requests
, req_obj
);
4233 qemu_mutex_unlock(&mon
->qmp
.qmp_queue_lock
);
4235 /* Kick the dispatcher routine */
4236 qemu_bh_schedule(mon_global
.qmp_dispatcher_bh
);
4240 monitor_qmp_respond(mon
, NULL
, err
, NULL
);
4244 static void monitor_qmp_read(void *opaque
, const uint8_t *buf
, int size
)
4246 Monitor
*mon
= opaque
;
4248 json_message_parser_feed(&mon
->qmp
.parser
, (const char *) buf
, size
);
4251 static void monitor_read(void *opaque
, const uint8_t *buf
, int size
)
4253 Monitor
*old_mon
= cur_mon
;
4259 for (i
= 0; i
< size
; i
++)
4260 readline_handle_byte(cur_mon
->rs
, buf
[i
]);
4262 if (size
== 0 || buf
[size
- 1] != 0)
4263 monitor_printf(cur_mon
, "corrupted command\n");
4265 handle_hmp_command(cur_mon
, (char *)buf
);
4271 static void monitor_command_cb(void *opaque
, const char *cmdline
,
4272 void *readline_opaque
)
4274 Monitor
*mon
= opaque
;
4276 monitor_suspend(mon
);
4277 handle_hmp_command(mon
, cmdline
);
4278 monitor_resume(mon
);
4281 int monitor_suspend(Monitor
*mon
)
4283 if (monitor_is_hmp_non_interactive(mon
)) {
4287 atomic_inc(&mon
->suspend_cnt
);
4289 if (monitor_is_qmp(mon
)) {
4291 * Kick iothread to make sure this takes effect. It'll be
4292 * evaluated again in prepare() of the watch object.
4294 aio_notify(iothread_get_aio_context(mon_global
.mon_iothread
));
4297 trace_monitor_suspend(mon
, 1);
4301 void monitor_resume(Monitor
*mon
)
4303 if (monitor_is_hmp_non_interactive(mon
)) {
4307 if (atomic_dec_fetch(&mon
->suspend_cnt
) == 0) {
4308 if (monitor_is_qmp(mon
)) {
4310 * For QMP monitors that are running in IOThread, let's
4311 * kick the thread in case it's sleeping.
4313 if (mon
->use_io_thr
) {
4314 aio_notify(iothread_get_aio_context(mon_global
.mon_iothread
));
4318 readline_show_prompt(mon
->rs
);
4321 trace_monitor_suspend(mon
, -1);
4324 static QObject
*get_qmp_greeting(Monitor
*mon
)
4326 QList
*cap_list
= qlist_new();
4327 QObject
*ver
= NULL
;
4330 qmp_marshal_query_version(NULL
, &ver
, NULL
);
4332 for (cap
= 0; cap
< QMP_CAPABILITY__MAX
; cap
++) {
4333 if (!mon
->use_io_thr
&& cap
== QMP_CAPABILITY_OOB
) {
4334 /* Monitors that are not using IOThread won't support OOB */
4337 qlist_append_str(cap_list
, QMPCapability_str(cap
));
4340 return qobject_from_jsonf("{'QMP': {'version': %p, 'capabilities': %p}}",
4344 static void monitor_qmp_caps_reset(Monitor
*mon
)
4346 memset(mon
->qmp
.qmp_caps
, 0, sizeof(mon
->qmp
.qmp_caps
));
4349 static void monitor_qmp_event(void *opaque
, int event
)
4352 Monitor
*mon
= opaque
;
4355 case CHR_EVENT_OPENED
:
4356 mon
->qmp
.commands
= &qmp_cap_negotiation_commands
;
4357 monitor_qmp_caps_reset(mon
);
4358 data
= get_qmp_greeting(mon
);
4359 monitor_json_emitter(mon
, data
);
4360 qobject_unref(data
);
4363 case CHR_EVENT_CLOSED
:
4364 monitor_qmp_cleanup_queues(mon
);
4365 json_message_parser_destroy(&mon
->qmp
.parser
);
4366 json_message_parser_init(&mon
->qmp
.parser
, handle_qmp_command
);
4368 monitor_fdsets_cleanup();
4373 static void monitor_event(void *opaque
, int event
)
4375 Monitor
*mon
= opaque
;
4378 case CHR_EVENT_MUX_IN
:
4379 qemu_mutex_lock(&mon
->out_lock
);
4381 qemu_mutex_unlock(&mon
->out_lock
);
4382 if (mon
->reset_seen
) {
4383 readline_restart(mon
->rs
);
4384 monitor_resume(mon
);
4387 atomic_mb_set(&mon
->suspend_cnt
, 0);
4391 case CHR_EVENT_MUX_OUT
:
4392 if (mon
->reset_seen
) {
4393 if (atomic_mb_read(&mon
->suspend_cnt
) == 0) {
4394 monitor_printf(mon
, "\n");
4397 monitor_suspend(mon
);
4399 atomic_inc(&mon
->suspend_cnt
);
4401 qemu_mutex_lock(&mon
->out_lock
);
4403 qemu_mutex_unlock(&mon
->out_lock
);
4406 case CHR_EVENT_OPENED
:
4407 monitor_printf(mon
, "QEMU %s monitor - type 'help' for more "
4408 "information\n", QEMU_VERSION
);
4409 if (!mon
->mux_out
) {
4410 readline_restart(mon
->rs
);
4411 readline_show_prompt(mon
->rs
);
4413 mon
->reset_seen
= 1;
4417 case CHR_EVENT_CLOSED
:
4419 monitor_fdsets_cleanup();
4425 compare_mon_cmd(const void *a
, const void *b
)
4427 return strcmp(((const mon_cmd_t
*)a
)->name
,
4428 ((const mon_cmd_t
*)b
)->name
);
4431 static void sortcmdlist(void)
4434 int elem_size
= sizeof(mon_cmd_t
);
4436 array_num
= sizeof(mon_cmds
)/elem_size
-1;
4437 qsort((void *)mon_cmds
, array_num
, elem_size
, compare_mon_cmd
);
4439 array_num
= sizeof(info_cmds
)/elem_size
-1;
4440 qsort((void *)info_cmds
, array_num
, elem_size
, compare_mon_cmd
);
4443 static GMainContext
*monitor_get_io_context(void)
4445 return iothread_get_g_main_context(mon_global
.mon_iothread
);
4448 static AioContext
*monitor_get_aio_context(void)
4450 return iothread_get_aio_context(mon_global
.mon_iothread
);
4453 static void monitor_iothread_init(void)
4455 mon_global
.mon_iothread
= iothread_create("mon_iothread",
4459 * This MUST be on main loop thread since we have commands that
4460 * have assumption to be run on main loop thread. It would be
4461 * nice that one day we can remove this assumption in the future.
4463 mon_global
.qmp_dispatcher_bh
= aio_bh_new(iohandler_get_aio_context(),
4464 monitor_qmp_bh_dispatcher
,
4468 * Unlike the dispatcher BH, this must be run on the monitor IO
4469 * thread, so that monitors that are using IO thread will make
4470 * sure read/write operations are all done on the IO thread.
4472 mon_global
.qmp_respond_bh
= aio_bh_new(monitor_get_aio_context(),
4473 monitor_qmp_bh_responder
,
4477 void monitor_init_globals(void)
4479 monitor_init_qmp_commands();
4480 monitor_qapi_event_init();
4482 qemu_mutex_init(&monitor_lock
);
4483 monitor_iothread_init();
4486 /* These functions just adapt the readline interface in a typesafe way. We
4487 * could cast function pointers but that discards compiler checks.
4489 static void GCC_FMT_ATTR(2, 3) monitor_readline_printf(void *opaque
,
4490 const char *fmt
, ...)
4494 monitor_vprintf(opaque
, fmt
, ap
);
4498 static void monitor_readline_flush(void *opaque
)
4500 monitor_flush(opaque
);
4504 * Print to current monitor if we have one, else to stderr.
4505 * TODO should return int, so callers can calculate width, but that
4506 * requires surgery to monitor_vprintf(). Left for another day.
4508 void error_vprintf(const char *fmt
, va_list ap
)
4510 if (cur_mon
&& !monitor_cur_is_qmp()) {
4511 monitor_vprintf(cur_mon
, fmt
, ap
);
4513 vfprintf(stderr
, fmt
, ap
);
4517 void error_vprintf_unless_qmp(const char *fmt
, va_list ap
)
4519 if (cur_mon
&& !monitor_cur_is_qmp()) {
4520 monitor_vprintf(cur_mon
, fmt
, ap
);
4521 } else if (!cur_mon
) {
4522 vfprintf(stderr
, fmt
, ap
);
4526 static void monitor_list_append(Monitor
*mon
)
4528 qemu_mutex_lock(&monitor_lock
);
4529 QTAILQ_INSERT_HEAD(&mon_list
, mon
, entry
);
4530 qemu_mutex_unlock(&monitor_lock
);
4533 static void monitor_qmp_setup_handlers_bh(void *opaque
)
4535 Monitor
*mon
= opaque
;
4536 GMainContext
*context
;
4538 if (mon
->use_io_thr
) {
4540 * When use_io_thr is set, we use the global shared dedicated
4541 * IO thread for this monitor to handle input/output.
4543 context
= monitor_get_io_context();
4544 /* We should have inited globals before reaching here. */
4547 /* The default main loop, which is the main thread */
4551 qemu_chr_fe_set_handlers(&mon
->chr
, monitor_can_read
, monitor_qmp_read
,
4552 monitor_qmp_event
, NULL
, mon
, context
, true);
4553 monitor_list_append(mon
);
4556 void monitor_init(Chardev
*chr
, int flags
)
4558 Monitor
*mon
= g_malloc(sizeof(*mon
));
4559 bool use_readline
= flags
& MONITOR_USE_READLINE
;
4560 bool use_oob
= flags
& MONITOR_USE_OOB
;
4563 if (CHARDEV_IS_MUX(chr
)) {
4564 error_report("Monitor Out-Of-Band is not supported with "
4565 "MUX typed chardev backend");
4569 error_report("Monitor Out-Of-band is only supported by QMP");
4574 monitor_data_init(mon
, false, use_oob
);
4576 qemu_chr_fe_init(&mon
->chr
, chr
, &error_abort
);
4579 mon
->rs
= readline_init(monitor_readline_printf
,
4580 monitor_readline_flush
,
4582 monitor_find_completion
);
4583 monitor_read_command(mon
, 0);
4586 if (monitor_is_qmp(mon
)) {
4587 qemu_chr_fe_set_echo(&mon
->chr
, true);
4588 json_message_parser_init(&mon
->qmp
.parser
, handle_qmp_command
);
4589 if (mon
->use_io_thr
) {
4591 * Make sure the old iowatch is gone. It's possible when
4592 * e.g. the chardev is in client mode, with wait=on.
4594 remove_fd_in_watch(chr
);
4596 * We can't call qemu_chr_fe_set_handlers() directly here
4597 * since during the procedure the chardev will be active
4598 * and running in monitor iothread, while we'll still do
4599 * something before returning from it, which is a possible
4600 * race too. To avoid that, we just create a BH to setup
4603 aio_bh_schedule_oneshot(monitor_get_aio_context(),
4604 monitor_qmp_setup_handlers_bh
, mon
);
4605 /* We'll add this to mon_list in the BH when setup done */
4608 qemu_chr_fe_set_handlers(&mon
->chr
, monitor_can_read
,
4609 monitor_qmp_read
, monitor_qmp_event
,
4610 NULL
, mon
, NULL
, true);
4613 qemu_chr_fe_set_handlers(&mon
->chr
, monitor_can_read
, monitor_read
,
4614 monitor_event
, NULL
, mon
, NULL
, true);
4617 monitor_list_append(mon
);
4620 void monitor_cleanup(void)
4622 Monitor
*mon
, *next
;
4625 * We need to explicitly stop the iothread (but not destroy it),
4626 * cleanup the monitor resources, then destroy the iothread since
4627 * we need to unregister from chardev below in
4628 * monitor_data_destroy(), and chardev is not thread-safe yet
4630 iothread_stop(mon_global
.mon_iothread
);
4633 * After we have IOThread to send responses, it's possible that
4634 * when we stop the IOThread there are still replies queued in the
4635 * responder queue. Flush all of them. Note that even after this
4636 * flush it's still possible that out buffer is not flushed.
4637 * It'll be done in below monitor_flush() as the last resort.
4639 monitor_qmp_bh_responder(NULL
);
4641 qemu_mutex_lock(&monitor_lock
);
4642 QTAILQ_FOREACH_SAFE(mon
, &mon_list
, entry
, next
) {
4643 QTAILQ_REMOVE(&mon_list
, mon
, entry
);
4645 monitor_data_destroy(mon
);
4648 qemu_mutex_unlock(&monitor_lock
);
4650 /* QEMUBHs needs to be deleted before destroying the IOThread. */
4651 qemu_bh_delete(mon_global
.qmp_dispatcher_bh
);
4652 mon_global
.qmp_dispatcher_bh
= NULL
;
4653 qemu_bh_delete(mon_global
.qmp_respond_bh
);
4654 mon_global
.qmp_respond_bh
= NULL
;
4656 iothread_destroy(mon_global
.mon_iothread
);
4657 mon_global
.mon_iothread
= NULL
;
4660 QemuOptsList qemu_mon_opts
= {
4662 .implied_opt_name
= "chardev",
4663 .head
= QTAILQ_HEAD_INITIALIZER(qemu_mon_opts
.head
),
4667 .type
= QEMU_OPT_STRING
,
4670 .type
= QEMU_OPT_STRING
,
4673 .type
= QEMU_OPT_BOOL
,
4676 .type
= QEMU_OPT_BOOL
,
4678 { /* end of list */ }
4683 void qmp_rtc_reset_reinjection(Error
**errp
)
4685 error_setg(errp
, QERR_FEATURE_DISABLED
, "rtc-reset-reinjection");
4688 SevInfo
*qmp_query_sev(Error
**errp
)
4690 error_setg(errp
, QERR_FEATURE_DISABLED
, "query-sev");
4694 SevLaunchMeasureInfo
*qmp_query_sev_launch_measure(Error
**errp
)
4696 error_setg(errp
, QERR_FEATURE_DISABLED
, "query-sev-launch-measure");
4700 SevCapability
*qmp_query_sev_capabilities(Error
**errp
)
4702 error_setg(errp
, QERR_FEATURE_DISABLED
, "query-sev-capabilities");
4707 #ifndef TARGET_S390X
4708 void qmp_dump_skeys(const char *filename
, Error
**errp
)
4710 error_setg(errp
, QERR_FEATURE_DISABLED
, "dump-skeys");
4715 GICCapabilityList
*qmp_query_gic_capabilities(Error
**errp
)
4717 error_setg(errp
, QERR_FEATURE_DISABLED
, "query-gic-capabilities");
4722 HotpluggableCPUList
*qmp_query_hotpluggable_cpus(Error
**errp
)
4724 MachineState
*ms
= MACHINE(qdev_get_machine());
4725 MachineClass
*mc
= MACHINE_GET_CLASS(ms
);
4727 if (!mc
->has_hotpluggable_cpus
) {
4728 error_setg(errp
, QERR_FEATURE_DISABLED
, "query-hotpluggable-cpus");
4732 return machine_query_hotpluggable_cpus(ms
);