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 "ui/qemu-spice.h"
39 #include "sysemu/numa.h"
40 #include "monitor/monitor.h"
41 #include "qemu/config-file.h"
42 #include "qemu/readline.h"
43 #include "ui/console.h"
45 #include "sysemu/blockdev.h"
46 #include "sysemu/block-backend.h"
47 #include "audio/audio.h"
48 #include "disas/disas.h"
49 #include "sysemu/balloon.h"
50 #include "qemu/timer.h"
51 #include "sysemu/hw_accel.h"
53 #include "sysemu/tpm.h"
54 #include "qapi/qmp/qdict.h"
55 #include "qapi/qmp/qerror.h"
56 #include "qapi/qmp/qnum.h"
57 #include "qapi/qmp/qstring.h"
58 #include "qapi/qmp/qjson.h"
59 #include "qapi/qmp/json-streamer.h"
60 #include "qapi/qmp/json-parser.h"
61 #include "qom/object_interfaces.h"
62 #include "trace-root.h"
63 #include "trace/control.h"
64 #include "monitor/hmp-target.h"
65 #ifdef CONFIG_TRACE_SIMPLE
66 #include "trace/simple.h"
68 #include "exec/memory.h"
69 #include "exec/exec-all.h"
71 #include "qemu/option.h"
73 #include "qemu/thread.h"
74 #include "block/qapi.h"
75 #include "qapi/qapi-commands.h"
76 #include "qapi/qapi-events.h"
77 #include "qapi/error.h"
78 #include "qapi/qmp-event.h"
79 #include "qapi/qapi-introspect.h"
80 #include "sysemu/qtest.h"
81 #include "sysemu/cpus.h"
82 #include "qemu/cutils.h"
84 #if defined(TARGET_S390X)
85 #include "hw/s390x/storage-keys.h"
86 #include "hw/s390x/storage-attributes.h"
93 * 'B' block device name
94 * 's' string (accept optional quote)
95 * 'S' it just appends the rest of the string (accept optional quote)
96 * 'O' option string of the form NAME=VALUE,...
97 * parsed according to QemuOptsList given by its name
98 * Example: 'device:O' uses qemu_device_opts.
99 * Restriction: only lists with empty desc are supported
100 * TODO lift the restriction
102 * 'l' target long (32 or 64 bit)
103 * 'M' Non-negative target long (32 or 64 bit), in user mode the
104 * value is multiplied by 2^20 (think Mebibyte)
105 * 'o' octets (aka bytes)
106 * user mode accepts an optional E, e, P, p, T, t, G, g, M, m,
107 * K, k suffix, which multiplies the value by 2^60 for suffixes E
108 * and e, 2^50 for suffixes P and p, 2^40 for suffixes T and t,
109 * 2^30 for suffixes G and g, 2^20 for M and m, 2^10 for K and k
111 * user mode accepts an optional ms, us, ns suffix,
112 * which divides the value by 1e3, 1e6, 1e9, respectively
113 * '/' optional gdb-like print format (like "/10x")
115 * '?' optional type (for all types, except '/')
116 * '.' other form of optional type (for 'i' and 'l')
118 * user mode accepts "on" or "off"
119 * '-' optional parameter (eg. '-f')
123 typedef struct mon_cmd_t
{
125 const char *args_type
;
128 void (*cmd
)(Monitor
*mon
, const QDict
*qdict
);
129 /* @sub_table is a list of 2nd level of commands. If it does not exist,
130 * cmd should be used. If it exists, sub_table[?].cmd should be
131 * used, and cmd of 1st level plays the role of help function.
133 struct mon_cmd_t
*sub_table
;
134 void (*command_completion
)(ReadLineState
*rs
, int nb_args
, const char *str
);
137 /* file descriptors passed via SCM_RIGHTS */
138 typedef struct mon_fd_t mon_fd_t
;
142 QLIST_ENTRY(mon_fd_t
) next
;
145 /* file descriptor associated with a file descriptor set */
146 typedef struct MonFdsetFd MonFdsetFd
;
151 QLIST_ENTRY(MonFdsetFd
) next
;
154 /* file descriptor set containing fds passed via SCM_RIGHTS */
155 typedef struct MonFdset MonFdset
;
158 QLIST_HEAD(, MonFdsetFd
) fds
;
159 QLIST_HEAD(, MonFdsetFd
) dup_fds
;
160 QLIST_ENTRY(MonFdset
) next
;
164 JSONMessageParser parser
;
166 * When a client connects, we're in capabilities negotiation mode.
167 * When command qmp_capabilities succeeds, we go into command
170 QmpCommandList
*commands
;
174 * To prevent flooding clients, events can be throttled. The
175 * throttling is calculated globally, rather than per-Monitor
178 typedef struct MonitorQAPIEventState
{
179 QAPIEvent event
; /* Throttling state for this event type and... */
180 QDict
*data
; /* ... data, see qapi_event_throttle_equal() */
181 QEMUTimer
*timer
; /* Timer for handling delayed events */
182 QDict
*qdict
; /* Delayed event (if any) */
183 } MonitorQAPIEventState
;
186 int64_t rate
; /* Minimum time (in ns) between two events */
187 } MonitorQAPIEventConf
;
200 /* Read under either BQL or out_lock, written with BQL+out_lock. */
206 BlockCompletionFunc
*password_completion_cb
;
207 void *password_opaque
;
208 mon_cmd_t
*cmd_table
;
209 QLIST_HEAD(,mon_fd_t
) fds
;
210 QLIST_ENTRY(Monitor
) entry
;
213 /* QMP checker flags */
214 #define QMP_ACCEPT_UNKNOWNS 1
216 /* Protects mon_list, monitor_event_state. */
217 static QemuMutex monitor_lock
;
219 static QLIST_HEAD(mon_list
, Monitor
) mon_list
;
220 static QLIST_HEAD(mon_fdsets
, MonFdset
) mon_fdsets
;
221 static int mon_refcount
;
223 static mon_cmd_t mon_cmds
[];
224 static mon_cmd_t info_cmds
[];
226 QmpCommandList qmp_commands
, qmp_cap_negotiation_commands
;
230 static QEMUClockType event_clock_type
= QEMU_CLOCK_REALTIME
;
232 static void monitor_command_cb(void *opaque
, const char *cmdline
,
233 void *readline_opaque
);
236 * Is @mon a QMP monitor?
238 static inline bool monitor_is_qmp(const Monitor
*mon
)
240 return (mon
->flags
& MONITOR_USE_CONTROL
);
244 * Is the current monitor, if any, a QMP monitor?
246 bool monitor_cur_is_qmp(void)
248 return cur_mon
&& monitor_is_qmp(cur_mon
);
251 void monitor_read_command(Monitor
*mon
, int show_prompt
)
256 readline_start(mon
->rs
, "(qemu) ", 0, monitor_command_cb
, NULL
);
258 readline_show_prompt(mon
->rs
);
261 int monitor_read_password(Monitor
*mon
, ReadLineFunc
*readline_func
,
265 readline_start(mon
->rs
, "Password: ", 1, readline_func
, opaque
);
266 /* prompt is printed on return from the command handler */
269 monitor_printf(mon
, "terminal does not support password prompting\n");
274 static void monitor_flush_locked(Monitor
*mon
);
276 static gboolean
monitor_unblocked(GIOChannel
*chan
, GIOCondition cond
,
279 Monitor
*mon
= opaque
;
281 qemu_mutex_lock(&mon
->out_lock
);
283 monitor_flush_locked(mon
);
284 qemu_mutex_unlock(&mon
->out_lock
);
288 /* Called with mon->out_lock held. */
289 static void monitor_flush_locked(Monitor
*mon
)
295 if (mon
->skip_flush
) {
299 buf
= qstring_get_str(mon
->outbuf
);
300 len
= qstring_get_length(mon
->outbuf
);
302 if (len
&& !mon
->mux_out
) {
303 rc
= qemu_chr_fe_write(&mon
->chr
, (const uint8_t *) buf
, len
);
304 if ((rc
< 0 && errno
!= EAGAIN
) || (rc
== len
)) {
305 /* all flushed or error */
306 QDECREF(mon
->outbuf
);
307 mon
->outbuf
= qstring_new();
312 QString
*tmp
= qstring_from_str(buf
+ rc
);
313 QDECREF(mon
->outbuf
);
316 if (mon
->out_watch
== 0) {
318 qemu_chr_fe_add_watch(&mon
->chr
, G_IO_OUT
| G_IO_HUP
,
319 monitor_unblocked
, mon
);
324 void monitor_flush(Monitor
*mon
)
326 qemu_mutex_lock(&mon
->out_lock
);
327 monitor_flush_locked(mon
);
328 qemu_mutex_unlock(&mon
->out_lock
);
331 /* flush at every end of line */
332 static void monitor_puts(Monitor
*mon
, const char *str
)
336 qemu_mutex_lock(&mon
->out_lock
);
342 qstring_append_chr(mon
->outbuf
, '\r');
344 qstring_append_chr(mon
->outbuf
, c
);
346 monitor_flush_locked(mon
);
349 qemu_mutex_unlock(&mon
->out_lock
);
352 void monitor_vprintf(Monitor
*mon
, const char *fmt
, va_list ap
)
359 if (monitor_is_qmp(mon
)) {
363 buf
= g_strdup_vprintf(fmt
, ap
);
364 monitor_puts(mon
, buf
);
368 void monitor_printf(Monitor
*mon
, const char *fmt
, ...)
372 monitor_vprintf(mon
, fmt
, ap
);
376 int monitor_fprintf(FILE *stream
, const char *fmt
, ...)
380 monitor_vprintf((Monitor
*)stream
, fmt
, ap
);
385 static void monitor_json_emitter(Monitor
*mon
, const QObject
*data
)
389 json
= mon
->flags
& MONITOR_USE_PRETTY
? qobject_to_json_pretty(data
) :
390 qobject_to_json(data
);
391 assert(json
!= NULL
);
393 qstring_append_chr(json
, '\n');
394 monitor_puts(mon
, qstring_get_str(json
));
399 static MonitorQAPIEventConf monitor_qapi_event_conf
[QAPI_EVENT__MAX
] = {
400 /* Limit guest-triggerable events to 1 per second */
401 [QAPI_EVENT_RTC_CHANGE
] = { 1000 * SCALE_MS
},
402 [QAPI_EVENT_WATCHDOG
] = { 1000 * SCALE_MS
},
403 [QAPI_EVENT_BALLOON_CHANGE
] = { 1000 * SCALE_MS
},
404 [QAPI_EVENT_QUORUM_REPORT_BAD
] = { 1000 * SCALE_MS
},
405 [QAPI_EVENT_QUORUM_FAILURE
] = { 1000 * SCALE_MS
},
406 [QAPI_EVENT_VSERPORT_CHANGE
] = { 1000 * SCALE_MS
},
409 GHashTable
*monitor_qapi_event_state
;
412 * Emits the event to every monitor instance, @event is only used for trace
413 * Called with monitor_lock held.
415 static void monitor_qapi_event_emit(QAPIEvent event
, QDict
*qdict
)
419 trace_monitor_protocol_event_emit(event
, qdict
);
420 QLIST_FOREACH(mon
, &mon_list
, entry
) {
421 if (monitor_is_qmp(mon
)
422 && mon
->qmp
.commands
!= &qmp_cap_negotiation_commands
) {
423 monitor_json_emitter(mon
, QOBJECT(qdict
));
428 static void monitor_qapi_event_handler(void *opaque
);
431 * Queue a new event for emission to Monitor instances,
432 * applying any rate limiting if required.
435 monitor_qapi_event_queue(QAPIEvent event
, QDict
*qdict
, Error
**errp
)
437 MonitorQAPIEventConf
*evconf
;
438 MonitorQAPIEventState
*evstate
;
440 assert(event
< QAPI_EVENT__MAX
);
441 evconf
= &monitor_qapi_event_conf
[event
];
442 trace_monitor_protocol_event_queue(event
, qdict
, evconf
->rate
);
444 qemu_mutex_lock(&monitor_lock
);
447 /* Unthrottled event */
448 monitor_qapi_event_emit(event
, qdict
);
450 QDict
*data
= qobject_to_qdict(qdict_get(qdict
, "data"));
451 MonitorQAPIEventState key
= { .event
= event
, .data
= data
};
453 evstate
= g_hash_table_lookup(monitor_qapi_event_state
, &key
);
454 assert(!evstate
|| timer_pending(evstate
->timer
));
458 * Timer is pending for (at least) evconf->rate ns after
459 * last send. Store event for sending when timer fires,
460 * replacing a prior stored event if any.
462 QDECREF(evstate
->qdict
);
463 evstate
->qdict
= qdict
;
464 QINCREF(evstate
->qdict
);
467 * Last send was (at least) evconf->rate ns ago.
468 * Send immediately, and arm the timer to call
469 * monitor_qapi_event_handler() in evconf->rate ns. Any
470 * events arriving before then will be delayed until then.
472 int64_t now
= qemu_clock_get_ns(event_clock_type
);
474 monitor_qapi_event_emit(event
, qdict
);
476 evstate
= g_new(MonitorQAPIEventState
, 1);
477 evstate
->event
= event
;
478 evstate
->data
= data
;
479 QINCREF(evstate
->data
);
480 evstate
->qdict
= NULL
;
481 evstate
->timer
= timer_new_ns(event_clock_type
,
482 monitor_qapi_event_handler
,
484 g_hash_table_add(monitor_qapi_event_state
, evstate
);
485 timer_mod_ns(evstate
->timer
, now
+ evconf
->rate
);
489 qemu_mutex_unlock(&monitor_lock
);
493 * This function runs evconf->rate ns after sending a throttled
495 * If another event has since been stored, send it.
497 static void monitor_qapi_event_handler(void *opaque
)
499 MonitorQAPIEventState
*evstate
= opaque
;
500 MonitorQAPIEventConf
*evconf
= &monitor_qapi_event_conf
[evstate
->event
];
502 trace_monitor_protocol_event_handler(evstate
->event
, evstate
->qdict
);
503 qemu_mutex_lock(&monitor_lock
);
505 if (evstate
->qdict
) {
506 int64_t now
= qemu_clock_get_ns(event_clock_type
);
508 monitor_qapi_event_emit(evstate
->event
, evstate
->qdict
);
509 QDECREF(evstate
->qdict
);
510 evstate
->qdict
= NULL
;
511 timer_mod_ns(evstate
->timer
, now
+ evconf
->rate
);
513 g_hash_table_remove(monitor_qapi_event_state
, evstate
);
514 QDECREF(evstate
->data
);
515 timer_free(evstate
->timer
);
519 qemu_mutex_unlock(&monitor_lock
);
522 static unsigned int qapi_event_throttle_hash(const void *key
)
524 const MonitorQAPIEventState
*evstate
= key
;
525 unsigned int hash
= evstate
->event
* 255;
527 if (evstate
->event
== QAPI_EVENT_VSERPORT_CHANGE
) {
528 hash
+= g_str_hash(qdict_get_str(evstate
->data
, "id"));
531 if (evstate
->event
== QAPI_EVENT_QUORUM_REPORT_BAD
) {
532 hash
+= g_str_hash(qdict_get_str(evstate
->data
, "node-name"));
538 static gboolean
qapi_event_throttle_equal(const void *a
, const void *b
)
540 const MonitorQAPIEventState
*eva
= a
;
541 const MonitorQAPIEventState
*evb
= b
;
543 if (eva
->event
!= evb
->event
) {
547 if (eva
->event
== QAPI_EVENT_VSERPORT_CHANGE
) {
548 return !strcmp(qdict_get_str(eva
->data
, "id"),
549 qdict_get_str(evb
->data
, "id"));
552 if (eva
->event
== QAPI_EVENT_QUORUM_REPORT_BAD
) {
553 return !strcmp(qdict_get_str(eva
->data
, "node-name"),
554 qdict_get_str(evb
->data
, "node-name"));
560 static void monitor_qapi_event_init(void)
562 if (qtest_enabled()) {
563 event_clock_type
= QEMU_CLOCK_VIRTUAL
;
566 monitor_qapi_event_state
= g_hash_table_new(qapi_event_throttle_hash
,
567 qapi_event_throttle_equal
);
568 qmp_event_set_func_emit(monitor_qapi_event_queue
);
571 static void handle_hmp_command(Monitor
*mon
, const char *cmdline
);
573 static void monitor_data_init(Monitor
*mon
)
575 memset(mon
, 0, sizeof(Monitor
));
576 qemu_mutex_init(&mon
->out_lock
);
577 mon
->outbuf
= qstring_new();
578 /* Use *mon_cmds by default. */
579 mon
->cmd_table
= mon_cmds
;
582 static void monitor_data_destroy(Monitor
*mon
)
584 g_free(mon
->mon_cpu_path
);
585 qemu_chr_fe_deinit(&mon
->chr
, false);
586 if (monitor_is_qmp(mon
)) {
587 json_message_parser_destroy(&mon
->qmp
.parser
);
589 readline_free(mon
->rs
);
590 QDECREF(mon
->outbuf
);
591 qemu_mutex_destroy(&mon
->out_lock
);
594 char *qmp_human_monitor_command(const char *command_line
, bool has_cpu_index
,
595 int64_t cpu_index
, Error
**errp
)
598 Monitor
*old_mon
, hmp
;
600 monitor_data_init(&hmp
);
601 hmp
.skip_flush
= true;
607 int ret
= monitor_set_cpu(cpu_index
);
610 error_setg(errp
, QERR_INVALID_PARAMETER_VALUE
, "cpu-index",
616 handle_hmp_command(&hmp
, command_line
);
619 qemu_mutex_lock(&hmp
.out_lock
);
620 if (qstring_get_length(hmp
.outbuf
) > 0) {
621 output
= g_strdup(qstring_get_str(hmp
.outbuf
));
623 output
= g_strdup("");
625 qemu_mutex_unlock(&hmp
.out_lock
);
628 monitor_data_destroy(&hmp
);
632 static int compare_cmd(const char *name
, const char *list
)
634 const char *p
, *pstart
;
642 p
= pstart
+ strlen(pstart
);
643 if ((p
- pstart
) == len
&& !memcmp(pstart
, name
, len
))
652 static int get_str(char *buf
, int buf_size
, const char **pp
)
660 while (qemu_isspace(*p
)) {
671 while (*p
!= '\0' && *p
!= '\"') {
687 printf("unsupported escape code: '\\%c'\n", c
);
690 if ((q
- buf
) < buf_size
- 1) {
694 if ((q
- buf
) < buf_size
- 1) {
701 printf("unterminated string\n");
706 while (*p
!= '\0' && !qemu_isspace(*p
)) {
707 if ((q
- buf
) < buf_size
- 1) {
720 static void free_cmdline_args(char **args
, int nb_args
)
724 assert(nb_args
<= MAX_ARGS
);
726 for (i
= 0; i
< nb_args
; i
++) {
733 * Parse the command line to get valid args.
734 * @cmdline: command line to be parsed.
735 * @pnb_args: location to store the number of args, must NOT be NULL.
736 * @args: location to store the args, which should be freed by caller, must
739 * Returns 0 on success, negative on failure.
741 * NOTE: this parser is an approximate form of the real command parser. Number
742 * of args have a limit of MAX_ARGS. If cmdline contains more, it will
743 * return with failure.
745 static int parse_cmdline(const char *cmdline
,
746 int *pnb_args
, char **args
)
755 while (qemu_isspace(*p
)) {
761 if (nb_args
>= MAX_ARGS
) {
764 ret
= get_str(buf
, sizeof(buf
), &p
);
768 args
[nb_args
] = g_strdup(buf
);
775 free_cmdline_args(args
, nb_args
);
779 static void help_cmd_dump_one(Monitor
*mon
,
780 const mon_cmd_t
*cmd
,
786 for (i
= 0; i
< prefix_args_nb
; i
++) {
787 monitor_printf(mon
, "%s ", prefix_args
[i
]);
789 monitor_printf(mon
, "%s %s -- %s\n", cmd
->name
, cmd
->params
, cmd
->help
);
792 /* @args[@arg_index] is the valid command need to find in @cmds */
793 static void help_cmd_dump(Monitor
*mon
, const mon_cmd_t
*cmds
,
794 char **args
, int nb_args
, int arg_index
)
796 const mon_cmd_t
*cmd
;
798 /* No valid arg need to compare with, dump all in *cmds */
799 if (arg_index
>= nb_args
) {
800 for (cmd
= cmds
; cmd
->name
!= NULL
; cmd
++) {
801 help_cmd_dump_one(mon
, cmd
, args
, arg_index
);
806 /* Find one entry to dump */
807 for (cmd
= cmds
; cmd
->name
!= NULL
; cmd
++) {
808 if (compare_cmd(args
[arg_index
], cmd
->name
)) {
809 if (cmd
->sub_table
) {
810 /* continue with next arg */
811 help_cmd_dump(mon
, cmd
->sub_table
,
812 args
, nb_args
, arg_index
+ 1);
814 help_cmd_dump_one(mon
, cmd
, args
, arg_index
);
821 static void help_cmd(Monitor
*mon
, const char *name
)
823 char *args
[MAX_ARGS
];
826 /* 1. parse user input */
828 /* special case for log, directly dump and return */
829 if (!strcmp(name
, "log")) {
830 const QEMULogItem
*item
;
831 monitor_printf(mon
, "Log items (comma separated):\n");
832 monitor_printf(mon
, "%-10s %s\n", "none", "remove all logs");
833 for (item
= qemu_log_items
; item
->mask
!= 0; item
++) {
834 monitor_printf(mon
, "%-10s %s\n", item
->name
, item
->help
);
839 if (parse_cmdline(name
, &nb_args
, args
) < 0) {
844 /* 2. dump the contents according to parsed args */
845 help_cmd_dump(mon
, mon
->cmd_table
, args
, nb_args
, 0);
847 free_cmdline_args(args
, nb_args
);
850 static void do_help_cmd(Monitor
*mon
, const QDict
*qdict
)
852 help_cmd(mon
, qdict_get_try_str(qdict
, "name"));
855 static void hmp_trace_event(Monitor
*mon
, const QDict
*qdict
)
857 const char *tp_name
= qdict_get_str(qdict
, "name");
858 bool new_state
= qdict_get_bool(qdict
, "option");
859 bool has_vcpu
= qdict_haskey(qdict
, "vcpu");
860 int vcpu
= qdict_get_try_int(qdict
, "vcpu", 0);
861 Error
*local_err
= NULL
;
864 monitor_printf(mon
, "argument vcpu must be positive");
868 qmp_trace_event_set_state(tp_name
, new_state
, true, true, has_vcpu
, vcpu
, &local_err
);
870 error_report_err(local_err
);
874 #ifdef CONFIG_TRACE_SIMPLE
875 static void hmp_trace_file(Monitor
*mon
, const QDict
*qdict
)
877 const char *op
= qdict_get_try_str(qdict
, "op");
878 const char *arg
= qdict_get_try_str(qdict
, "arg");
881 st_print_trace_file_status((FILE *)mon
, &monitor_fprintf
);
882 } else if (!strcmp(op
, "on")) {
883 st_set_trace_file_enabled(true);
884 } else if (!strcmp(op
, "off")) {
885 st_set_trace_file_enabled(false);
886 } else if (!strcmp(op
, "flush")) {
887 st_flush_trace_buffer();
888 } else if (!strcmp(op
, "set")) {
890 st_set_trace_file(arg
);
893 monitor_printf(mon
, "unexpected argument \"%s\"\n", op
);
894 help_cmd(mon
, "trace-file");
899 static void hmp_info_help(Monitor
*mon
, const QDict
*qdict
)
901 help_cmd(mon
, "info");
904 static void query_commands_cb(QmpCommand
*cmd
, void *opaque
)
906 CommandInfoList
*info
, **list
= opaque
;
912 info
= g_malloc0(sizeof(*info
));
913 info
->value
= g_malloc0(sizeof(*info
->value
));
914 info
->value
->name
= g_strdup(cmd
->name
);
919 CommandInfoList
*qmp_query_commands(Error
**errp
)
921 CommandInfoList
*list
= NULL
;
923 qmp_for_each_command(cur_mon
->qmp
.commands
, query_commands_cb
, &list
);
928 EventInfoList
*qmp_query_events(Error
**errp
)
930 EventInfoList
*info
, *ev_list
= NULL
;
933 for (e
= 0 ; e
< QAPI_EVENT__MAX
; e
++) {
934 const char *event_name
= QAPIEvent_str(e
);
935 assert(event_name
!= NULL
);
936 info
= g_malloc0(sizeof(*info
));
937 info
->value
= g_malloc0(sizeof(*info
->value
));
938 info
->value
->name
= g_strdup(event_name
);
940 info
->next
= ev_list
;
948 * Minor hack: generated marshalling suppressed for this command
949 * ('gen': false in the schema) so we can parse the JSON string
950 * directly into QObject instead of first parsing it with
951 * visit_type_SchemaInfoList() into a SchemaInfoList, then marshal it
952 * to QObject with generated output marshallers, every time. Instead,
953 * we do it in test-qobject-input-visitor.c, just to make sure
954 * qapi-gen.py's output actually conforms to the schema.
956 static void qmp_query_qmp_schema(QDict
*qdict
, QObject
**ret_data
,
959 *ret_data
= qobject_from_json(qmp_schema_json
, &error_abort
);
963 * We used to define commands in qmp-commands.hx in addition to the
964 * QAPI schema. This permitted defining some of them only in certain
965 * configurations. query-commands has always reflected that (good,
966 * because it lets QMP clients figure out what's actually available),
967 * while query-qmp-schema never did (not so good). This function is a
968 * hack to keep the configuration-specific commands defined exactly as
969 * before, even though qmp-commands.hx is gone.
971 * FIXME Educate the QAPI schema on configuration-specific commands,
972 * and drop this hack.
974 static void qmp_unregister_commands_hack(void)
977 qmp_unregister_command(&qmp_commands
, "query-spice");
979 #ifndef CONFIG_REPLICATION
980 qmp_unregister_command(&qmp_commands
, "xen-set-replication");
981 qmp_unregister_command(&qmp_commands
, "query-xen-replication-status");
982 qmp_unregister_command(&qmp_commands
, "xen-colo-do-checkpoint");
985 qmp_unregister_command(&qmp_commands
, "rtc-reset-reinjection");
986 qmp_unregister_command(&qmp_commands
, "query-sev");
987 qmp_unregister_command(&qmp_commands
, "query-sev-launch-measure");
990 qmp_unregister_command(&qmp_commands
, "dump-skeys");
993 qmp_unregister_command(&qmp_commands
, "query-gic-capabilities");
995 #if !defined(TARGET_S390X) && !defined(TARGET_I386)
996 qmp_unregister_command(&qmp_commands
, "query-cpu-model-expansion");
998 #if !defined(TARGET_S390X)
999 qmp_unregister_command(&qmp_commands
, "query-cpu-model-baseline");
1000 qmp_unregister_command(&qmp_commands
, "query-cpu-model-comparison");
1002 #if !defined(TARGET_PPC) && !defined(TARGET_ARM) && !defined(TARGET_I386) \
1003 && !defined(TARGET_S390X)
1004 qmp_unregister_command(&qmp_commands
, "query-cpu-definitions");
1008 void monitor_init_qmp_commands(void)
1011 * Two command lists:
1012 * - qmp_commands contains all QMP commands
1013 * - qmp_cap_negotiation_commands contains just
1014 * "qmp_capabilities", to enforce capability negotiation
1017 qmp_init_marshal(&qmp_commands
);
1019 qmp_register_command(&qmp_commands
, "query-qmp-schema",
1020 qmp_query_qmp_schema
,
1022 qmp_register_command(&qmp_commands
, "device_add", qmp_device_add
,
1024 qmp_register_command(&qmp_commands
, "netdev_add", qmp_netdev_add
,
1027 qmp_unregister_commands_hack();
1029 QTAILQ_INIT(&qmp_cap_negotiation_commands
);
1030 qmp_register_command(&qmp_cap_negotiation_commands
, "qmp_capabilities",
1031 qmp_marshal_qmp_capabilities
, QCO_NO_OPTIONS
);
1034 void qmp_qmp_capabilities(Error
**errp
)
1036 if (cur_mon
->qmp
.commands
== &qmp_commands
) {
1037 error_set(errp
, ERROR_CLASS_COMMAND_NOT_FOUND
,
1038 "Capabilities negotiation is already complete, command "
1043 cur_mon
->qmp
.commands
= &qmp_commands
;
1046 /* set the current CPU defined by the user */
1047 int monitor_set_cpu(int cpu_index
)
1051 cpu
= qemu_get_cpu(cpu_index
);
1055 g_free(cur_mon
->mon_cpu_path
);
1056 cur_mon
->mon_cpu_path
= object_get_canonical_path(OBJECT(cpu
));
1060 static CPUState
*mon_get_cpu_sync(bool synchronize
)
1064 if (cur_mon
->mon_cpu_path
) {
1065 cpu
= (CPUState
*) object_resolve_path_type(cur_mon
->mon_cpu_path
,
1068 g_free(cur_mon
->mon_cpu_path
);
1069 cur_mon
->mon_cpu_path
= NULL
;
1072 if (!cur_mon
->mon_cpu_path
) {
1076 monitor_set_cpu(first_cpu
->cpu_index
);
1080 cpu_synchronize_state(cpu
);
1085 CPUState
*mon_get_cpu(void)
1087 return mon_get_cpu_sync(true);
1090 CPUArchState
*mon_get_cpu_env(void)
1092 CPUState
*cs
= mon_get_cpu();
1094 return cs
? cs
->env_ptr
: NULL
;
1097 int monitor_get_cpu_index(void)
1099 CPUState
*cs
= mon_get_cpu_sync(false);
1101 return cs
? cs
->cpu_index
: UNASSIGNED_CPU_INDEX
;
1104 static void hmp_info_registers(Monitor
*mon
, const QDict
*qdict
)
1106 bool all_cpus
= qdict_get_try_bool(qdict
, "cpustate_all", false);
1111 monitor_printf(mon
, "\nCPU#%d\n", cs
->cpu_index
);
1112 cpu_dump_state(cs
, (FILE *)mon
, monitor_fprintf
, CPU_DUMP_FPU
);
1118 monitor_printf(mon
, "No CPU available\n");
1122 cpu_dump_state(cs
, (FILE *)mon
, monitor_fprintf
, CPU_DUMP_FPU
);
1127 static void hmp_info_jit(Monitor
*mon
, const QDict
*qdict
)
1129 if (!tcg_enabled()) {
1130 error_report("JIT information is only available with accel=tcg");
1134 dump_exec_info((FILE *)mon
, monitor_fprintf
);
1135 dump_drift_info((FILE *)mon
, monitor_fprintf
);
1138 static void hmp_info_opcount(Monitor
*mon
, const QDict
*qdict
)
1140 dump_opcount_info((FILE *)mon
, monitor_fprintf
);
1144 static void hmp_info_history(Monitor
*mon
, const QDict
*qdict
)
1153 str
= readline_get_history(mon
->rs
, i
);
1156 monitor_printf(mon
, "%d: '%s'\n", i
, str
);
1161 static void hmp_info_cpustats(Monitor
*mon
, const QDict
*qdict
)
1163 CPUState
*cs
= mon_get_cpu();
1166 monitor_printf(mon
, "No CPU available\n");
1169 cpu_dump_statistics(cs
, (FILE *)mon
, &monitor_fprintf
, 0);
1172 static void hmp_info_trace_events(Monitor
*mon
, const QDict
*qdict
)
1174 const char *name
= qdict_get_try_str(qdict
, "name");
1175 bool has_vcpu
= qdict_haskey(qdict
, "vcpu");
1176 int vcpu
= qdict_get_try_int(qdict
, "vcpu", 0);
1177 TraceEventInfoList
*events
;
1178 TraceEventInfoList
*elem
;
1179 Error
*local_err
= NULL
;
1185 monitor_printf(mon
, "argument vcpu must be positive");
1189 events
= qmp_trace_event_get_state(name
, has_vcpu
, vcpu
, &local_err
);
1191 error_report_err(local_err
);
1195 for (elem
= events
; elem
!= NULL
; elem
= elem
->next
) {
1196 monitor_printf(mon
, "%s : state %u\n",
1198 elem
->value
->state
== TRACE_EVENT_STATE_ENABLED
? 1 : 0);
1200 qapi_free_TraceEventInfoList(events
);
1203 void qmp_client_migrate_info(const char *protocol
, const char *hostname
,
1204 bool has_port
, int64_t port
,
1205 bool has_tls_port
, int64_t tls_port
,
1206 bool has_cert_subject
, const char *cert_subject
,
1209 if (strcmp(protocol
, "spice") == 0) {
1210 if (!qemu_using_spice(errp
)) {
1214 if (!has_port
&& !has_tls_port
) {
1215 error_setg(errp
, QERR_MISSING_PARAMETER
, "port/tls-port");
1219 if (qemu_spice_migrate_info(hostname
,
1220 has_port
? port
: -1,
1221 has_tls_port
? tls_port
: -1,
1223 error_setg(errp
, QERR_UNDEFINED_ERROR
);
1229 error_setg(errp
, QERR_INVALID_PARAMETER_VALUE
, "protocol", "spice");
1232 static void hmp_logfile(Monitor
*mon
, const QDict
*qdict
)
1236 qemu_set_log_filename(qdict_get_str(qdict
, "filename"), &err
);
1238 error_report_err(err
);
1242 static void hmp_log(Monitor
*mon
, const QDict
*qdict
)
1245 const char *items
= qdict_get_str(qdict
, "items");
1247 if (!strcmp(items
, "none")) {
1250 mask
= qemu_str_to_log_mask(items
);
1252 help_cmd(mon
, "log");
1259 static void hmp_singlestep(Monitor
*mon
, const QDict
*qdict
)
1261 const char *option
= qdict_get_try_str(qdict
, "option");
1262 if (!option
|| !strcmp(option
, "on")) {
1264 } else if (!strcmp(option
, "off")) {
1267 monitor_printf(mon
, "unexpected option %s\n", option
);
1271 static void hmp_gdbserver(Monitor
*mon
, const QDict
*qdict
)
1273 const char *device
= qdict_get_try_str(qdict
, "device");
1275 device
= "tcp::" DEFAULT_GDBSTUB_PORT
;
1276 if (gdbserver_start(device
) < 0) {
1277 monitor_printf(mon
, "Could not open gdbserver on device '%s'\n",
1279 } else if (strcmp(device
, "none") == 0) {
1280 monitor_printf(mon
, "Disabled gdbserver\n");
1282 monitor_printf(mon
, "Waiting for gdb connection on device '%s'\n",
1287 static void hmp_watchdog_action(Monitor
*mon
, const QDict
*qdict
)
1289 const char *action
= qdict_get_str(qdict
, "action");
1290 if (select_watchdog_action(action
) == -1) {
1291 monitor_printf(mon
, "Unknown watchdog action '%s'\n", action
);
1295 static void monitor_printc(Monitor
*mon
, int c
)
1297 monitor_printf(mon
, "'");
1300 monitor_printf(mon
, "\\'");
1303 monitor_printf(mon
, "\\\\");
1306 monitor_printf(mon
, "\\n");
1309 monitor_printf(mon
, "\\r");
1312 if (c
>= 32 && c
<= 126) {
1313 monitor_printf(mon
, "%c", c
);
1315 monitor_printf(mon
, "\\x%02x", c
);
1319 monitor_printf(mon
, "'");
1322 static void memory_dump(Monitor
*mon
, int count
, int format
, int wsize
,
1323 hwaddr addr
, int is_physical
)
1325 int l
, line_size
, i
, max_digits
, len
;
1328 CPUState
*cs
= mon_get_cpu();
1330 if (!cs
&& (format
== 'i' || !is_physical
)) {
1331 monitor_printf(mon
, "Can not dump without CPU\n");
1335 if (format
== 'i') {
1336 monitor_disas(mon
, cs
, addr
, count
, is_physical
);
1340 len
= wsize
* count
;
1349 max_digits
= DIV_ROUND_UP(wsize
* 8, 3);
1353 max_digits
= (wsize
* 8) / 4;
1357 max_digits
= DIV_ROUND_UP(wsize
* 8 * 10, 33);
1366 monitor_printf(mon
, TARGET_FMT_plx
":", addr
);
1368 monitor_printf(mon
, TARGET_FMT_lx
":", (target_ulong
)addr
);
1373 cpu_physical_memory_read(addr
, buf
, l
);
1375 if (cpu_memory_rw_debug(cs
, addr
, buf
, l
, 0) < 0) {
1376 monitor_printf(mon
, " Cannot access memory\n");
1385 v
= ldub_p(buf
+ i
);
1388 v
= lduw_p(buf
+ i
);
1391 v
= (uint32_t)ldl_p(buf
+ i
);
1397 monitor_printf(mon
, " ");
1400 monitor_printf(mon
, "%#*" PRIo64
, max_digits
, v
);
1403 monitor_printf(mon
, "0x%0*" PRIx64
, max_digits
, v
);
1406 monitor_printf(mon
, "%*" PRIu64
, max_digits
, v
);
1409 monitor_printf(mon
, "%*" PRId64
, max_digits
, v
);
1412 monitor_printc(mon
, v
);
1417 monitor_printf(mon
, "\n");
1423 static void hmp_memory_dump(Monitor
*mon
, const QDict
*qdict
)
1425 int count
= qdict_get_int(qdict
, "count");
1426 int format
= qdict_get_int(qdict
, "format");
1427 int size
= qdict_get_int(qdict
, "size");
1428 target_long addr
= qdict_get_int(qdict
, "addr");
1430 memory_dump(mon
, count
, format
, size
, addr
, 0);
1433 static void hmp_physical_memory_dump(Monitor
*mon
, const QDict
*qdict
)
1435 int count
= qdict_get_int(qdict
, "count");
1436 int format
= qdict_get_int(qdict
, "format");
1437 int size
= qdict_get_int(qdict
, "size");
1438 hwaddr addr
= qdict_get_int(qdict
, "addr");
1440 memory_dump(mon
, count
, format
, size
, addr
, 1);
1443 static void *gpa2hva(MemoryRegion
**p_mr
, hwaddr addr
, Error
**errp
)
1445 MemoryRegionSection mrs
= memory_region_find(get_system_memory(),
1449 error_setg(errp
, "No memory is mapped at address 0x%" HWADDR_PRIx
, addr
);
1453 if (!memory_region_is_ram(mrs
.mr
) && !memory_region_is_romd(mrs
.mr
)) {
1454 error_setg(errp
, "Memory at address 0x%" HWADDR_PRIx
"is not RAM", addr
);
1455 memory_region_unref(mrs
.mr
);
1460 return qemu_map_ram_ptr(mrs
.mr
->ram_block
, mrs
.offset_within_region
);
1463 static void hmp_gpa2hva(Monitor
*mon
, const QDict
*qdict
)
1465 hwaddr addr
= qdict_get_int(qdict
, "addr");
1466 Error
*local_err
= NULL
;
1467 MemoryRegion
*mr
= NULL
;
1470 ptr
= gpa2hva(&mr
, addr
, &local_err
);
1472 error_report_err(local_err
);
1476 monitor_printf(mon
, "Host virtual address for 0x%" HWADDR_PRIx
1478 addr
, mr
->name
, ptr
);
1480 memory_region_unref(mr
);
1484 static uint64_t vtop(void *ptr
, Error
**errp
)
1488 uintptr_t addr
= (uintptr_t) ptr
;
1489 uintptr_t pagesize
= getpagesize();
1490 off_t offset
= addr
/ pagesize
* sizeof(pinfo
);
1493 fd
= open("/proc/self/pagemap", O_RDONLY
);
1495 error_setg_errno(errp
, errno
, "Cannot open /proc/self/pagemap");
1499 /* Force copy-on-write if necessary. */
1500 atomic_add((uint8_t *)ptr
, 0);
1502 if (pread(fd
, &pinfo
, sizeof(pinfo
), offset
) != sizeof(pinfo
)) {
1503 error_setg_errno(errp
, errno
, "Cannot read pagemap");
1506 if ((pinfo
& (1ull << 63)) == 0) {
1507 error_setg(errp
, "Page not present");
1510 ret
= ((pinfo
& 0x007fffffffffffffull
) * pagesize
) | (addr
& (pagesize
- 1));
1517 static void hmp_gpa2hpa(Monitor
*mon
, const QDict
*qdict
)
1519 hwaddr addr
= qdict_get_int(qdict
, "addr");
1520 Error
*local_err
= NULL
;
1521 MemoryRegion
*mr
= NULL
;
1525 ptr
= gpa2hva(&mr
, addr
, &local_err
);
1527 error_report_err(local_err
);
1531 physaddr
= vtop(ptr
, &local_err
);
1533 error_report_err(local_err
);
1535 monitor_printf(mon
, "Host physical address for 0x%" HWADDR_PRIx
1536 " (%s) is 0x%" PRIx64
"\n",
1537 addr
, mr
->name
, (uint64_t) physaddr
);
1540 memory_region_unref(mr
);
1544 static void do_print(Monitor
*mon
, const QDict
*qdict
)
1546 int format
= qdict_get_int(qdict
, "format");
1547 hwaddr val
= qdict_get_int(qdict
, "val");
1551 monitor_printf(mon
, "%#" HWADDR_PRIo
, val
);
1554 monitor_printf(mon
, "%#" HWADDR_PRIx
, val
);
1557 monitor_printf(mon
, "%" HWADDR_PRIu
, val
);
1561 monitor_printf(mon
, "%" HWADDR_PRId
, val
);
1564 monitor_printc(mon
, val
);
1567 monitor_printf(mon
, "\n");
1570 static void hmp_sum(Monitor
*mon
, const QDict
*qdict
)
1574 uint32_t start
= qdict_get_int(qdict
, "start");
1575 uint32_t size
= qdict_get_int(qdict
, "size");
1578 for(addr
= start
; addr
< (start
+ size
); addr
++) {
1579 uint8_t val
= address_space_ldub(&address_space_memory
, addr
,
1580 MEMTXATTRS_UNSPECIFIED
, NULL
);
1581 /* BSD sum algorithm ('sum' Unix command) */
1582 sum
= (sum
>> 1) | (sum
<< 15);
1585 monitor_printf(mon
, "%05d\n", sum
);
1588 static int mouse_button_state
;
1590 static void hmp_mouse_move(Monitor
*mon
, const QDict
*qdict
)
1592 int dx
, dy
, dz
, button
;
1593 const char *dx_str
= qdict_get_str(qdict
, "dx_str");
1594 const char *dy_str
= qdict_get_str(qdict
, "dy_str");
1595 const char *dz_str
= qdict_get_try_str(qdict
, "dz_str");
1597 dx
= strtol(dx_str
, NULL
, 0);
1598 dy
= strtol(dy_str
, NULL
, 0);
1599 qemu_input_queue_rel(NULL
, INPUT_AXIS_X
, dx
);
1600 qemu_input_queue_rel(NULL
, INPUT_AXIS_Y
, dy
);
1603 dz
= strtol(dz_str
, NULL
, 0);
1605 button
= (dz
> 0) ? INPUT_BUTTON_WHEEL_UP
: INPUT_BUTTON_WHEEL_DOWN
;
1606 qemu_input_queue_btn(NULL
, button
, true);
1607 qemu_input_event_sync();
1608 qemu_input_queue_btn(NULL
, button
, false);
1611 qemu_input_event_sync();
1614 static void hmp_mouse_button(Monitor
*mon
, const QDict
*qdict
)
1616 static uint32_t bmap
[INPUT_BUTTON__MAX
] = {
1617 [INPUT_BUTTON_LEFT
] = MOUSE_EVENT_LBUTTON
,
1618 [INPUT_BUTTON_MIDDLE
] = MOUSE_EVENT_MBUTTON
,
1619 [INPUT_BUTTON_RIGHT
] = MOUSE_EVENT_RBUTTON
,
1621 int button_state
= qdict_get_int(qdict
, "button_state");
1623 if (mouse_button_state
== button_state
) {
1626 qemu_input_update_buttons(NULL
, bmap
, mouse_button_state
, button_state
);
1627 qemu_input_event_sync();
1628 mouse_button_state
= button_state
;
1631 static void hmp_ioport_read(Monitor
*mon
, const QDict
*qdict
)
1633 int size
= qdict_get_int(qdict
, "size");
1634 int addr
= qdict_get_int(qdict
, "addr");
1635 int has_index
= qdict_haskey(qdict
, "index");
1640 int index
= qdict_get_int(qdict
, "index");
1641 cpu_outb(addr
& IOPORTS_MASK
, index
& 0xff);
1649 val
= cpu_inb(addr
);
1653 val
= cpu_inw(addr
);
1657 val
= cpu_inl(addr
);
1661 monitor_printf(mon
, "port%c[0x%04x] = %#0*x\n",
1662 suffix
, addr
, size
* 2, val
);
1665 static void hmp_ioport_write(Monitor
*mon
, const QDict
*qdict
)
1667 int size
= qdict_get_int(qdict
, "size");
1668 int addr
= qdict_get_int(qdict
, "addr");
1669 int val
= qdict_get_int(qdict
, "val");
1671 addr
&= IOPORTS_MASK
;
1676 cpu_outb(addr
, val
);
1679 cpu_outw(addr
, val
);
1682 cpu_outl(addr
, val
);
1687 static void hmp_boot_set(Monitor
*mon
, const QDict
*qdict
)
1689 Error
*local_err
= NULL
;
1690 const char *bootdevice
= qdict_get_str(qdict
, "bootdevice");
1692 qemu_boot_set(bootdevice
, &local_err
);
1694 error_report_err(local_err
);
1696 monitor_printf(mon
, "boot device list now set to %s\n", bootdevice
);
1700 static void hmp_info_mtree(Monitor
*mon
, const QDict
*qdict
)
1702 bool flatview
= qdict_get_try_bool(qdict
, "flatview", false);
1703 bool dispatch_tree
= qdict_get_try_bool(qdict
, "dispatch_tree", false);
1705 mtree_info((fprintf_function
)monitor_printf
, mon
, flatview
, dispatch_tree
);
1708 static void hmp_info_numa(Monitor
*mon
, const QDict
*qdict
)
1711 NumaNodeMem
*node_mem
;
1712 CpuInfoList
*cpu_list
, *cpu
;
1714 cpu_list
= qmp_query_cpus(&error_abort
);
1715 node_mem
= g_new0(NumaNodeMem
, nb_numa_nodes
);
1717 query_numa_node_mem(node_mem
);
1718 monitor_printf(mon
, "%d nodes\n", nb_numa_nodes
);
1719 for (i
= 0; i
< nb_numa_nodes
; i
++) {
1720 monitor_printf(mon
, "node %d cpus:", i
);
1721 for (cpu
= cpu_list
; cpu
; cpu
= cpu
->next
) {
1722 if (cpu
->value
->has_props
&& cpu
->value
->props
->has_node_id
&&
1723 cpu
->value
->props
->node_id
== i
) {
1724 monitor_printf(mon
, " %" PRIi64
, cpu
->value
->CPU
);
1727 monitor_printf(mon
, "\n");
1728 monitor_printf(mon
, "node %d size: %" PRId64
" MB\n", i
,
1729 node_mem
[i
].node_mem
>> 20);
1730 monitor_printf(mon
, "node %d plugged: %" PRId64
" MB\n", i
,
1731 node_mem
[i
].node_plugged_mem
>> 20);
1733 qapi_free_CpuInfoList(cpu_list
);
1737 #ifdef CONFIG_PROFILER
1742 static void hmp_info_profile(Monitor
*mon
, const QDict
*qdict
)
1744 monitor_printf(mon
, "async time %" PRId64
" (%0.3f)\n",
1745 dev_time
, dev_time
/ (double)NANOSECONDS_PER_SECOND
);
1746 monitor_printf(mon
, "qemu time %" PRId64
" (%0.3f)\n",
1747 tcg_time
, tcg_time
/ (double)NANOSECONDS_PER_SECOND
);
1752 static void hmp_info_profile(Monitor
*mon
, const QDict
*qdict
)
1754 monitor_printf(mon
, "Internal profiler not compiled\n");
1758 /* Capture support */
1759 static QLIST_HEAD (capture_list_head
, CaptureState
) capture_head
;
1761 static void hmp_info_capture(Monitor
*mon
, const QDict
*qdict
)
1766 for (s
= capture_head
.lh_first
, i
= 0; s
; s
= s
->entries
.le_next
, ++i
) {
1767 monitor_printf(mon
, "[%d]: ", i
);
1768 s
->ops
.info (s
->opaque
);
1772 static void hmp_stopcapture(Monitor
*mon
, const QDict
*qdict
)
1775 int n
= qdict_get_int(qdict
, "n");
1778 for (s
= capture_head
.lh_first
, i
= 0; s
; s
= s
->entries
.le_next
, ++i
) {
1780 s
->ops
.destroy (s
->opaque
);
1781 QLIST_REMOVE (s
, entries
);
1788 static void hmp_wavcapture(Monitor
*mon
, const QDict
*qdict
)
1790 const char *path
= qdict_get_str(qdict
, "path");
1791 int has_freq
= qdict_haskey(qdict
, "freq");
1792 int freq
= qdict_get_try_int(qdict
, "freq", -1);
1793 int has_bits
= qdict_haskey(qdict
, "bits");
1794 int bits
= qdict_get_try_int(qdict
, "bits", -1);
1795 int has_channels
= qdict_haskey(qdict
, "nchannels");
1796 int nchannels
= qdict_get_try_int(qdict
, "nchannels", -1);
1799 s
= g_malloc0 (sizeof (*s
));
1801 freq
= has_freq
? freq
: 44100;
1802 bits
= has_bits
? bits
: 16;
1803 nchannels
= has_channels
? nchannels
: 2;
1805 if (wav_start_capture (s
, path
, freq
, bits
, nchannels
)) {
1806 monitor_printf(mon
, "Failed to add wave capture\n");
1810 QLIST_INSERT_HEAD (&capture_head
, s
, entries
);
1813 static qemu_acl
*find_acl(Monitor
*mon
, const char *name
)
1815 qemu_acl
*acl
= qemu_acl_find(name
);
1818 monitor_printf(mon
, "acl: unknown list '%s'\n", name
);
1823 static void hmp_acl_show(Monitor
*mon
, const QDict
*qdict
)
1825 const char *aclname
= qdict_get_str(qdict
, "aclname");
1826 qemu_acl
*acl
= find_acl(mon
, aclname
);
1827 qemu_acl_entry
*entry
;
1831 monitor_printf(mon
, "policy: %s\n",
1832 acl
->defaultDeny
? "deny" : "allow");
1833 QTAILQ_FOREACH(entry
, &acl
->entries
, next
) {
1835 monitor_printf(mon
, "%d: %s %s\n", i
,
1836 entry
->deny
? "deny" : "allow", entry
->match
);
1841 static void hmp_acl_reset(Monitor
*mon
, const QDict
*qdict
)
1843 const char *aclname
= qdict_get_str(qdict
, "aclname");
1844 qemu_acl
*acl
= find_acl(mon
, aclname
);
1847 qemu_acl_reset(acl
);
1848 monitor_printf(mon
, "acl: removed all rules\n");
1852 static void hmp_acl_policy(Monitor
*mon
, const QDict
*qdict
)
1854 const char *aclname
= qdict_get_str(qdict
, "aclname");
1855 const char *policy
= qdict_get_str(qdict
, "policy");
1856 qemu_acl
*acl
= find_acl(mon
, aclname
);
1859 if (strcmp(policy
, "allow") == 0) {
1860 acl
->defaultDeny
= 0;
1861 monitor_printf(mon
, "acl: policy set to 'allow'\n");
1862 } else if (strcmp(policy
, "deny") == 0) {
1863 acl
->defaultDeny
= 1;
1864 monitor_printf(mon
, "acl: policy set to 'deny'\n");
1866 monitor_printf(mon
, "acl: unknown policy '%s', "
1867 "expected 'deny' or 'allow'\n", policy
);
1872 static void hmp_acl_add(Monitor
*mon
, const QDict
*qdict
)
1874 const char *aclname
= qdict_get_str(qdict
, "aclname");
1875 const char *match
= qdict_get_str(qdict
, "match");
1876 const char *policy
= qdict_get_str(qdict
, "policy");
1877 int has_index
= qdict_haskey(qdict
, "index");
1878 int index
= qdict_get_try_int(qdict
, "index", -1);
1879 qemu_acl
*acl
= find_acl(mon
, aclname
);
1883 if (strcmp(policy
, "allow") == 0) {
1885 } else if (strcmp(policy
, "deny") == 0) {
1888 monitor_printf(mon
, "acl: unknown policy '%s', "
1889 "expected 'deny' or 'allow'\n", policy
);
1893 ret
= qemu_acl_insert(acl
, deny
, match
, index
);
1895 ret
= qemu_acl_append(acl
, deny
, match
);
1897 monitor_printf(mon
, "acl: unable to add acl entry\n");
1899 monitor_printf(mon
, "acl: added rule at position %d\n", ret
);
1903 static void hmp_acl_remove(Monitor
*mon
, const QDict
*qdict
)
1905 const char *aclname
= qdict_get_str(qdict
, "aclname");
1906 const char *match
= qdict_get_str(qdict
, "match");
1907 qemu_acl
*acl
= find_acl(mon
, aclname
);
1911 ret
= qemu_acl_remove(acl
, match
);
1913 monitor_printf(mon
, "acl: no matching acl entry\n");
1915 monitor_printf(mon
, "acl: removed rule at position %d\n", ret
);
1919 void qmp_getfd(const char *fdname
, Error
**errp
)
1924 fd
= qemu_chr_fe_get_msgfd(&cur_mon
->chr
);
1926 error_setg(errp
, QERR_FD_NOT_SUPPLIED
);
1930 if (qemu_isdigit(fdname
[0])) {
1932 error_setg(errp
, QERR_INVALID_PARAMETER_VALUE
, "fdname",
1933 "a name not starting with a digit");
1937 QLIST_FOREACH(monfd
, &cur_mon
->fds
, next
) {
1938 if (strcmp(monfd
->name
, fdname
) != 0) {
1947 monfd
= g_malloc0(sizeof(mon_fd_t
));
1948 monfd
->name
= g_strdup(fdname
);
1951 QLIST_INSERT_HEAD(&cur_mon
->fds
, monfd
, next
);
1954 void qmp_closefd(const char *fdname
, Error
**errp
)
1958 QLIST_FOREACH(monfd
, &cur_mon
->fds
, next
) {
1959 if (strcmp(monfd
->name
, fdname
) != 0) {
1963 QLIST_REMOVE(monfd
, next
);
1965 g_free(monfd
->name
);
1970 error_setg(errp
, QERR_FD_NOT_FOUND
, fdname
);
1973 int monitor_get_fd(Monitor
*mon
, const char *fdname
, Error
**errp
)
1977 QLIST_FOREACH(monfd
, &mon
->fds
, next
) {
1980 if (strcmp(monfd
->name
, fdname
) != 0) {
1986 /* caller takes ownership of fd */
1987 QLIST_REMOVE(monfd
, next
);
1988 g_free(monfd
->name
);
1994 error_setg(errp
, "File descriptor named '%s' has not been found", fdname
);
1998 static void monitor_fdset_cleanup(MonFdset
*mon_fdset
)
2000 MonFdsetFd
*mon_fdset_fd
;
2001 MonFdsetFd
*mon_fdset_fd_next
;
2003 QLIST_FOREACH_SAFE(mon_fdset_fd
, &mon_fdset
->fds
, next
, mon_fdset_fd_next
) {
2004 if ((mon_fdset_fd
->removed
||
2005 (QLIST_EMPTY(&mon_fdset
->dup_fds
) && mon_refcount
== 0)) &&
2006 runstate_is_running()) {
2007 close(mon_fdset_fd
->fd
);
2008 g_free(mon_fdset_fd
->opaque
);
2009 QLIST_REMOVE(mon_fdset_fd
, next
);
2010 g_free(mon_fdset_fd
);
2014 if (QLIST_EMPTY(&mon_fdset
->fds
) && QLIST_EMPTY(&mon_fdset
->dup_fds
)) {
2015 QLIST_REMOVE(mon_fdset
, next
);
2020 static void monitor_fdsets_cleanup(void)
2022 MonFdset
*mon_fdset
;
2023 MonFdset
*mon_fdset_next
;
2025 QLIST_FOREACH_SAFE(mon_fdset
, &mon_fdsets
, next
, mon_fdset_next
) {
2026 monitor_fdset_cleanup(mon_fdset
);
2030 AddfdInfo
*qmp_add_fd(bool has_fdset_id
, int64_t fdset_id
, bool has_opaque
,
2031 const char *opaque
, Error
**errp
)
2034 Monitor
*mon
= cur_mon
;
2037 fd
= qemu_chr_fe_get_msgfd(&mon
->chr
);
2039 error_setg(errp
, QERR_FD_NOT_SUPPLIED
);
2043 fdinfo
= monitor_fdset_add_fd(fd
, has_fdset_id
, fdset_id
,
2044 has_opaque
, opaque
, errp
);
2056 void qmp_remove_fd(int64_t fdset_id
, bool has_fd
, int64_t fd
, Error
**errp
)
2058 MonFdset
*mon_fdset
;
2059 MonFdsetFd
*mon_fdset_fd
;
2062 QLIST_FOREACH(mon_fdset
, &mon_fdsets
, next
) {
2063 if (mon_fdset
->id
!= fdset_id
) {
2066 QLIST_FOREACH(mon_fdset_fd
, &mon_fdset
->fds
, next
) {
2068 if (mon_fdset_fd
->fd
!= fd
) {
2071 mon_fdset_fd
->removed
= true;
2074 mon_fdset_fd
->removed
= true;
2077 if (has_fd
&& !mon_fdset_fd
) {
2080 monitor_fdset_cleanup(mon_fdset
);
2086 snprintf(fd_str
, sizeof(fd_str
), "fdset-id:%" PRId64
", fd:%" PRId64
,
2089 snprintf(fd_str
, sizeof(fd_str
), "fdset-id:%" PRId64
, fdset_id
);
2091 error_setg(errp
, QERR_FD_NOT_FOUND
, fd_str
);
2094 FdsetInfoList
*qmp_query_fdsets(Error
**errp
)
2096 MonFdset
*mon_fdset
;
2097 MonFdsetFd
*mon_fdset_fd
;
2098 FdsetInfoList
*fdset_list
= NULL
;
2100 QLIST_FOREACH(mon_fdset
, &mon_fdsets
, next
) {
2101 FdsetInfoList
*fdset_info
= g_malloc0(sizeof(*fdset_info
));
2102 FdsetFdInfoList
*fdsetfd_list
= NULL
;
2104 fdset_info
->value
= g_malloc0(sizeof(*fdset_info
->value
));
2105 fdset_info
->value
->fdset_id
= mon_fdset
->id
;
2107 QLIST_FOREACH(mon_fdset_fd
, &mon_fdset
->fds
, next
) {
2108 FdsetFdInfoList
*fdsetfd_info
;
2110 fdsetfd_info
= g_malloc0(sizeof(*fdsetfd_info
));
2111 fdsetfd_info
->value
= g_malloc0(sizeof(*fdsetfd_info
->value
));
2112 fdsetfd_info
->value
->fd
= mon_fdset_fd
->fd
;
2113 if (mon_fdset_fd
->opaque
) {
2114 fdsetfd_info
->value
->has_opaque
= true;
2115 fdsetfd_info
->value
->opaque
= g_strdup(mon_fdset_fd
->opaque
);
2117 fdsetfd_info
->value
->has_opaque
= false;
2120 fdsetfd_info
->next
= fdsetfd_list
;
2121 fdsetfd_list
= fdsetfd_info
;
2124 fdset_info
->value
->fds
= fdsetfd_list
;
2126 fdset_info
->next
= fdset_list
;
2127 fdset_list
= fdset_info
;
2133 AddfdInfo
*monitor_fdset_add_fd(int fd
, bool has_fdset_id
, int64_t fdset_id
,
2134 bool has_opaque
, const char *opaque
,
2137 MonFdset
*mon_fdset
= NULL
;
2138 MonFdsetFd
*mon_fdset_fd
;
2142 QLIST_FOREACH(mon_fdset
, &mon_fdsets
, next
) {
2143 /* Break if match found or match impossible due to ordering by ID */
2144 if (fdset_id
<= mon_fdset
->id
) {
2145 if (fdset_id
< mon_fdset
->id
) {
2153 if (mon_fdset
== NULL
) {
2154 int64_t fdset_id_prev
= -1;
2155 MonFdset
*mon_fdset_cur
= QLIST_FIRST(&mon_fdsets
);
2159 error_setg(errp
, QERR_INVALID_PARAMETER_VALUE
, "fdset-id",
2160 "a non-negative value");
2163 /* Use specified fdset ID */
2164 QLIST_FOREACH(mon_fdset
, &mon_fdsets
, next
) {
2165 mon_fdset_cur
= mon_fdset
;
2166 if (fdset_id
< mon_fdset_cur
->id
) {
2171 /* Use first available fdset ID */
2172 QLIST_FOREACH(mon_fdset
, &mon_fdsets
, next
) {
2173 mon_fdset_cur
= mon_fdset
;
2174 if (fdset_id_prev
== mon_fdset_cur
->id
- 1) {
2175 fdset_id_prev
= mon_fdset_cur
->id
;
2182 mon_fdset
= g_malloc0(sizeof(*mon_fdset
));
2184 mon_fdset
->id
= fdset_id
;
2186 mon_fdset
->id
= fdset_id_prev
+ 1;
2189 /* The fdset list is ordered by fdset ID */
2190 if (!mon_fdset_cur
) {
2191 QLIST_INSERT_HEAD(&mon_fdsets
, mon_fdset
, next
);
2192 } else if (mon_fdset
->id
< mon_fdset_cur
->id
) {
2193 QLIST_INSERT_BEFORE(mon_fdset_cur
, mon_fdset
, next
);
2195 QLIST_INSERT_AFTER(mon_fdset_cur
, mon_fdset
, next
);
2199 mon_fdset_fd
= g_malloc0(sizeof(*mon_fdset_fd
));
2200 mon_fdset_fd
->fd
= fd
;
2201 mon_fdset_fd
->removed
= false;
2203 mon_fdset_fd
->opaque
= g_strdup(opaque
);
2205 QLIST_INSERT_HEAD(&mon_fdset
->fds
, mon_fdset_fd
, next
);
2207 fdinfo
= g_malloc0(sizeof(*fdinfo
));
2208 fdinfo
->fdset_id
= mon_fdset
->id
;
2209 fdinfo
->fd
= mon_fdset_fd
->fd
;
2214 int monitor_fdset_get_fd(int64_t fdset_id
, int flags
)
2217 MonFdset
*mon_fdset
;
2218 MonFdsetFd
*mon_fdset_fd
;
2221 QLIST_FOREACH(mon_fdset
, &mon_fdsets
, next
) {
2222 if (mon_fdset
->id
!= fdset_id
) {
2225 QLIST_FOREACH(mon_fdset_fd
, &mon_fdset
->fds
, next
) {
2226 mon_fd_flags
= fcntl(mon_fdset_fd
->fd
, F_GETFL
);
2227 if (mon_fd_flags
== -1) {
2231 if ((flags
& O_ACCMODE
) == (mon_fd_flags
& O_ACCMODE
)) {
2232 return mon_fdset_fd
->fd
;
2244 int monitor_fdset_dup_fd_add(int64_t fdset_id
, int dup_fd
)
2246 MonFdset
*mon_fdset
;
2247 MonFdsetFd
*mon_fdset_fd_dup
;
2249 QLIST_FOREACH(mon_fdset
, &mon_fdsets
, next
) {
2250 if (mon_fdset
->id
!= fdset_id
) {
2253 QLIST_FOREACH(mon_fdset_fd_dup
, &mon_fdset
->dup_fds
, next
) {
2254 if (mon_fdset_fd_dup
->fd
== dup_fd
) {
2258 mon_fdset_fd_dup
= g_malloc0(sizeof(*mon_fdset_fd_dup
));
2259 mon_fdset_fd_dup
->fd
= dup_fd
;
2260 QLIST_INSERT_HEAD(&mon_fdset
->dup_fds
, mon_fdset_fd_dup
, next
);
2266 static int monitor_fdset_dup_fd_find_remove(int dup_fd
, bool remove
)
2268 MonFdset
*mon_fdset
;
2269 MonFdsetFd
*mon_fdset_fd_dup
;
2271 QLIST_FOREACH(mon_fdset
, &mon_fdsets
, next
) {
2272 QLIST_FOREACH(mon_fdset_fd_dup
, &mon_fdset
->dup_fds
, next
) {
2273 if (mon_fdset_fd_dup
->fd
== dup_fd
) {
2275 QLIST_REMOVE(mon_fdset_fd_dup
, next
);
2276 if (QLIST_EMPTY(&mon_fdset
->dup_fds
)) {
2277 monitor_fdset_cleanup(mon_fdset
);
2281 return mon_fdset
->id
;
2289 int monitor_fdset_dup_fd_find(int dup_fd
)
2291 return monitor_fdset_dup_fd_find_remove(dup_fd
, false);
2294 void monitor_fdset_dup_fd_remove(int dup_fd
)
2296 monitor_fdset_dup_fd_find_remove(dup_fd
, true);
2299 int monitor_fd_param(Monitor
*mon
, const char *fdname
, Error
**errp
)
2302 Error
*local_err
= NULL
;
2304 if (!qemu_isdigit(fdname
[0]) && mon
) {
2305 fd
= monitor_get_fd(mon
, fdname
, &local_err
);
2307 fd
= qemu_parse_fd(fdname
);
2309 error_setg(&local_err
, "Invalid file descriptor number '%s'",
2314 error_propagate(errp
, local_err
);
2323 /* Please update hmp-commands.hx when adding or changing commands */
2324 static mon_cmd_t info_cmds
[] = {
2325 #include "hmp-commands-info.h"
2329 /* mon_cmds and info_cmds would be sorted at runtime */
2330 static mon_cmd_t mon_cmds
[] = {
2331 #include "hmp-commands.h"
2335 /*******************************************************************/
2337 static const char *pch
;
2338 static sigjmp_buf expr_env
;
2341 static void GCC_FMT_ATTR(2, 3) QEMU_NORETURN
2342 expr_error(Monitor
*mon
, const char *fmt
, ...)
2346 monitor_vprintf(mon
, fmt
, ap
);
2347 monitor_printf(mon
, "\n");
2349 siglongjmp(expr_env
, 1);
2352 /* return 0 if OK, -1 if not found */
2353 static int get_monitor_def(target_long
*pval
, const char *name
)
2355 const MonitorDef
*md
= target_monitor_defs();
2356 CPUState
*cs
= mon_get_cpu();
2361 if (cs
== NULL
|| md
== NULL
) {
2365 for(; md
->name
!= NULL
; md
++) {
2366 if (compare_cmd(name
, md
->name
)) {
2367 if (md
->get_value
) {
2368 *pval
= md
->get_value(md
, md
->offset
);
2370 CPUArchState
*env
= mon_get_cpu_env();
2371 ptr
= (uint8_t *)env
+ md
->offset
;
2374 *pval
= *(int32_t *)ptr
;
2377 *pval
= *(target_long
*)ptr
;
2388 ret
= target_get_monitor_def(cs
, name
, &tmp
);
2390 *pval
= (target_long
) tmp
;
2396 static void next(void)
2400 while (qemu_isspace(*pch
))
2405 static int64_t expr_sum(Monitor
*mon
);
2407 static int64_t expr_unary(Monitor
*mon
)
2416 n
= expr_unary(mon
);
2420 n
= -expr_unary(mon
);
2424 n
= ~expr_unary(mon
);
2430 expr_error(mon
, "')' expected");
2437 expr_error(mon
, "character constant expected");
2441 expr_error(mon
, "missing terminating \' character");
2451 while ((*pch
>= 'a' && *pch
<= 'z') ||
2452 (*pch
>= 'A' && *pch
<= 'Z') ||
2453 (*pch
>= '0' && *pch
<= '9') ||
2454 *pch
== '_' || *pch
== '.') {
2455 if ((q
- buf
) < sizeof(buf
) - 1)
2459 while (qemu_isspace(*pch
))
2462 ret
= get_monitor_def(®
, buf
);
2464 expr_error(mon
, "unknown register");
2469 expr_error(mon
, "unexpected end of expression");
2474 n
= strtoull(pch
, &p
, 0);
2475 if (errno
== ERANGE
) {
2476 expr_error(mon
, "number too large");
2479 expr_error(mon
, "invalid char '%c' in expression", *p
);
2482 while (qemu_isspace(*pch
))
2490 static int64_t expr_prod(Monitor
*mon
)
2495 val
= expr_unary(mon
);
2498 if (op
!= '*' && op
!= '/' && op
!= '%')
2501 val2
= expr_unary(mon
);
2510 expr_error(mon
, "division by zero");
2521 static int64_t expr_logic(Monitor
*mon
)
2526 val
= expr_prod(mon
);
2529 if (op
!= '&' && op
!= '|' && op
!= '^')
2532 val2
= expr_prod(mon
);
2549 static int64_t expr_sum(Monitor
*mon
)
2554 val
= expr_logic(mon
);
2557 if (op
!= '+' && op
!= '-')
2560 val2
= expr_logic(mon
);
2569 static int get_expr(Monitor
*mon
, int64_t *pval
, const char **pp
)
2572 if (sigsetjmp(expr_env
, 0)) {
2576 while (qemu_isspace(*pch
))
2578 *pval
= expr_sum(mon
);
2583 static int get_double(Monitor
*mon
, double *pval
, const char **pp
)
2585 const char *p
= *pp
;
2589 d
= strtod(p
, &tailp
);
2591 monitor_printf(mon
, "Number expected\n");
2594 if (d
!= d
|| d
- d
!= 0) {
2595 /* NaN or infinity */
2596 monitor_printf(mon
, "Bad number\n");
2605 * Store the command-name in cmdname, and return a pointer to
2606 * the remaining of the command string.
2608 static const char *get_command_name(const char *cmdline
,
2609 char *cmdname
, size_t nlen
)
2612 const char *p
, *pstart
;
2615 while (qemu_isspace(*p
))
2620 while (*p
!= '\0' && *p
!= '/' && !qemu_isspace(*p
))
2625 memcpy(cmdname
, pstart
, len
);
2626 cmdname
[len
] = '\0';
2631 * Read key of 'type' into 'key' and return the current
2634 static char *key_get_info(const char *type
, char **key
)
2642 p
= strchr(type
, ':');
2649 str
= g_malloc(len
+ 1);
2650 memcpy(str
, type
, len
);
2657 static int default_fmt_format
= 'x';
2658 static int default_fmt_size
= 4;
2660 static int is_valid_option(const char *c
, const char *typestr
)
2668 typestr
= strstr(typestr
, option
);
2669 return (typestr
!= NULL
);
2672 static const mon_cmd_t
*search_dispatch_table(const mon_cmd_t
*disp_table
,
2673 const char *cmdname
)
2675 const mon_cmd_t
*cmd
;
2677 for (cmd
= disp_table
; cmd
->name
!= NULL
; cmd
++) {
2678 if (compare_cmd(cmdname
, cmd
->name
)) {
2687 * Parse command name from @cmdp according to command table @table.
2688 * If blank, return NULL.
2689 * Else, if no valid command can be found, report to @mon, and return
2691 * Else, change @cmdp to point right behind the name, and return its
2692 * command table entry.
2693 * Do not assume the return value points into @table! It doesn't when
2694 * the command is found in a sub-command table.
2696 static const mon_cmd_t
*monitor_parse_command(Monitor
*mon
,
2697 const char *cmdp_start
,
2702 const mon_cmd_t
*cmd
;
2705 /* extract the command name */
2706 p
= get_command_name(*cmdp
, cmdname
, sizeof(cmdname
));
2710 cmd
= search_dispatch_table(table
, cmdname
);
2712 monitor_printf(mon
, "unknown command: '%.*s'\n",
2713 (int)(p
- cmdp_start
), cmdp_start
);
2717 /* filter out following useless space */
2718 while (qemu_isspace(*p
)) {
2723 /* search sub command */
2724 if (cmd
->sub_table
!= NULL
&& *p
!= '\0') {
2725 return monitor_parse_command(mon
, cmdp_start
, cmdp
, cmd
->sub_table
);
2732 * Parse arguments for @cmd.
2733 * If it can't be parsed, report to @mon, and return NULL.
2734 * Else, insert command arguments into a QDict, and return it.
2735 * Note: On success, caller has to free the QDict structure.
2738 static QDict
*monitor_parse_arguments(Monitor
*mon
,
2740 const mon_cmd_t
*cmd
)
2742 const char *typestr
;
2745 const char *p
= *endp
;
2747 QDict
*qdict
= qdict_new();
2749 /* parse the parameters */
2750 typestr
= cmd
->args_type
;
2752 typestr
= key_get_info(typestr
, &key
);
2764 while (qemu_isspace(*p
))
2766 if (*typestr
== '?') {
2769 /* no optional string: NULL argument */
2773 ret
= get_str(buf
, sizeof(buf
), &p
);
2777 monitor_printf(mon
, "%s: filename expected\n",
2781 monitor_printf(mon
, "%s: block device name expected\n",
2785 monitor_printf(mon
, "%s: string expected\n", cmd
->name
);
2790 qdict_put_str(qdict
, key
, buf
);
2795 QemuOptsList
*opts_list
;
2798 opts_list
= qemu_find_opts(key
);
2799 if (!opts_list
|| opts_list
->desc
->name
) {
2802 while (qemu_isspace(*p
)) {
2807 if (get_str(buf
, sizeof(buf
), &p
) < 0) {
2810 opts
= qemu_opts_parse_noisily(opts_list
, buf
, true);
2814 qemu_opts_to_qdict(opts
, qdict
);
2815 qemu_opts_del(opts
);
2820 int count
, format
, size
;
2822 while (qemu_isspace(*p
))
2828 if (qemu_isdigit(*p
)) {
2830 while (qemu_isdigit(*p
)) {
2831 count
= count
* 10 + (*p
- '0');
2869 if (*p
!= '\0' && !qemu_isspace(*p
)) {
2870 monitor_printf(mon
, "invalid char in format: '%c'\n",
2875 format
= default_fmt_format
;
2876 if (format
!= 'i') {
2877 /* for 'i', not specifying a size gives -1 as size */
2879 size
= default_fmt_size
;
2880 default_fmt_size
= size
;
2882 default_fmt_format
= format
;
2885 format
= default_fmt_format
;
2886 if (format
!= 'i') {
2887 size
= default_fmt_size
;
2892 qdict_put_int(qdict
, "count", count
);
2893 qdict_put_int(qdict
, "format", format
);
2894 qdict_put_int(qdict
, "size", size
);
2903 while (qemu_isspace(*p
))
2905 if (*typestr
== '?' || *typestr
== '.') {
2906 if (*typestr
== '?') {
2914 while (qemu_isspace(*p
))
2923 if (get_expr(mon
, &val
, &p
))
2925 /* Check if 'i' is greater than 32-bit */
2926 if ((c
== 'i') && ((val
>> 32) & 0xffffffff)) {
2927 monitor_printf(mon
, "\'%s\' has failed: ", cmd
->name
);
2928 monitor_printf(mon
, "integer is for 32-bit values\n");
2930 } else if (c
== 'M') {
2932 monitor_printf(mon
, "enter a positive value\n");
2937 qdict_put_int(qdict
, key
, val
);
2946 while (qemu_isspace(*p
)) {
2949 if (*typestr
== '?') {
2955 ret
= qemu_strtosz_MiB(p
, &end
, &val
);
2956 if (ret
< 0 || val
> INT64_MAX
) {
2957 monitor_printf(mon
, "invalid size\n");
2960 qdict_put_int(qdict
, key
, val
);
2968 while (qemu_isspace(*p
))
2970 if (*typestr
== '?') {
2976 if (get_double(mon
, &val
, &p
) < 0) {
2979 if (p
[0] && p
[1] == 's') {
2982 val
/= 1e3
; p
+= 2; break;
2984 val
/= 1e6
; p
+= 2; break;
2986 val
/= 1e9
; p
+= 2; break;
2989 if (*p
&& !qemu_isspace(*p
)) {
2990 monitor_printf(mon
, "Unknown unit suffix\n");
2993 qdict_put(qdict
, key
, qnum_from_double(val
));
3001 while (qemu_isspace(*p
)) {
3005 while (qemu_isgraph(*p
)) {
3008 if (p
- beg
== 2 && !memcmp(beg
, "on", p
- beg
)) {
3010 } else if (p
- beg
== 3 && !memcmp(beg
, "off", p
- beg
)) {
3013 monitor_printf(mon
, "Expected 'on' or 'off'\n");
3016 qdict_put_bool(qdict
, key
, val
);
3021 const char *tmp
= p
;
3028 while (qemu_isspace(*p
))
3033 if(!is_valid_option(p
, typestr
)) {
3035 monitor_printf(mon
, "%s: unsupported option -%c\n",
3047 qdict_put_bool(qdict
, key
, true);
3054 /* package all remaining string */
3057 while (qemu_isspace(*p
)) {
3060 if (*typestr
== '?') {
3063 /* no remaining string: NULL argument */
3069 monitor_printf(mon
, "%s: string expected\n",
3073 qdict_put_str(qdict
, key
, p
);
3079 monitor_printf(mon
, "%s: unknown type '%c'\n", cmd
->name
, c
);
3085 /* check that all arguments were parsed */
3086 while (qemu_isspace(*p
))
3089 monitor_printf(mon
, "%s: extraneous characters at the end of line\n",
3102 static void handle_hmp_command(Monitor
*mon
, const char *cmdline
)
3105 const mon_cmd_t
*cmd
;
3107 trace_handle_hmp_command(mon
, cmdline
);
3109 cmd
= monitor_parse_command(mon
, cmdline
, &cmdline
, mon
->cmd_table
);
3114 qdict
= monitor_parse_arguments(mon
, &cmdline
, cmd
);
3116 monitor_printf(mon
, "Try \"help %s\" for more information\n",
3121 cmd
->cmd(mon
, qdict
);
3125 static void cmd_completion(Monitor
*mon
, const char *name
, const char *list
)
3127 const char *p
, *pstart
;
3136 p
= pstart
+ strlen(pstart
);
3138 if (len
> sizeof(cmd
) - 2)
3139 len
= sizeof(cmd
) - 2;
3140 memcpy(cmd
, pstart
, len
);
3142 if (name
[0] == '\0' || !strncmp(name
, cmd
, strlen(name
))) {
3143 readline_add_completion(mon
->rs
, cmd
);
3151 static void file_completion(Monitor
*mon
, const char *input
)
3156 char file
[1024], file_prefix
[1024];
3160 p
= strrchr(input
, '/');
3163 pstrcpy(file_prefix
, sizeof(file_prefix
), input
);
3164 pstrcpy(path
, sizeof(path
), ".");
3166 input_path_len
= p
- input
+ 1;
3167 memcpy(path
, input
, input_path_len
);
3168 if (input_path_len
> sizeof(path
) - 1)
3169 input_path_len
= sizeof(path
) - 1;
3170 path
[input_path_len
] = '\0';
3171 pstrcpy(file_prefix
, sizeof(file_prefix
), p
+ 1);
3174 ffs
= opendir(path
);
3183 if (strcmp(d
->d_name
, ".") == 0 || strcmp(d
->d_name
, "..") == 0) {
3187 if (strstart(d
->d_name
, file_prefix
, NULL
)) {
3188 memcpy(file
, input
, input_path_len
);
3189 if (input_path_len
< sizeof(file
))
3190 pstrcpy(file
+ input_path_len
, sizeof(file
) - input_path_len
,
3192 /* stat the file to find out if it's a directory.
3193 * In that case add a slash to speed up typing long paths
3195 if (stat(file
, &sb
) == 0 && S_ISDIR(sb
.st_mode
)) {
3196 pstrcat(file
, sizeof(file
), "/");
3198 readline_add_completion(mon
->rs
, file
);
3204 static const char *next_arg_type(const char *typestr
)
3206 const char *p
= strchr(typestr
, ':');
3207 return (p
!= NULL
? ++p
: typestr
);
3210 static void add_completion_option(ReadLineState
*rs
, const char *str
,
3213 if (!str
|| !option
) {
3216 if (!strncmp(option
, str
, strlen(str
))) {
3217 readline_add_completion(rs
, option
);
3221 void chardev_add_completion(ReadLineState
*rs
, int nb_args
, const char *str
)
3224 ChardevBackendInfoList
*list
, *start
;
3230 readline_set_completion_index(rs
, len
);
3232 start
= list
= qmp_query_chardev_backends(NULL
);
3234 const char *chr_name
= list
->value
->name
;
3236 if (!strncmp(chr_name
, str
, len
)) {
3237 readline_add_completion(rs
, chr_name
);
3241 qapi_free_ChardevBackendInfoList(start
);
3244 void netdev_add_completion(ReadLineState
*rs
, int nb_args
, const char *str
)
3253 readline_set_completion_index(rs
, len
);
3254 for (i
= 0; i
< NET_CLIENT_DRIVER__MAX
; i
++) {
3255 add_completion_option(rs
, str
, NetClientDriver_str(i
));
3259 void device_add_completion(ReadLineState
*rs
, int nb_args
, const char *str
)
3269 readline_set_completion_index(rs
, len
);
3270 list
= elt
= object_class_get_list(TYPE_DEVICE
, false);
3273 DeviceClass
*dc
= OBJECT_CLASS_CHECK(DeviceClass
, elt
->data
,
3275 name
= object_class_get_name(OBJECT_CLASS(dc
));
3277 if (dc
->user_creatable
3278 && !strncmp(name
, str
, len
)) {
3279 readline_add_completion(rs
, name
);
3286 void object_add_completion(ReadLineState
*rs
, int nb_args
, const char *str
)
3296 readline_set_completion_index(rs
, len
);
3297 list
= elt
= object_class_get_list(TYPE_USER_CREATABLE
, false);
3301 name
= object_class_get_name(OBJECT_CLASS(elt
->data
));
3302 if (!strncmp(name
, str
, len
) && strcmp(name
, TYPE_USER_CREATABLE
)) {
3303 readline_add_completion(rs
, name
);
3310 static void peripheral_device_del_completion(ReadLineState
*rs
,
3311 const char *str
, size_t len
)
3313 Object
*peripheral
= container_get(qdev_get_machine(), "/peripheral");
3314 GSList
*list
, *item
;
3316 list
= qdev_build_hotpluggable_device_list(peripheral
);
3321 for (item
= list
; item
; item
= g_slist_next(item
)) {
3322 DeviceState
*dev
= item
->data
;
3324 if (dev
->id
&& !strncmp(str
, dev
->id
, len
)) {
3325 readline_add_completion(rs
, dev
->id
);
3332 void chardev_remove_completion(ReadLineState
*rs
, int nb_args
, const char *str
)
3335 ChardevInfoList
*list
, *start
;
3341 readline_set_completion_index(rs
, len
);
3343 start
= list
= qmp_query_chardev(NULL
);
3345 ChardevInfo
*chr
= list
->value
;
3347 if (!strncmp(chr
->label
, str
, len
)) {
3348 readline_add_completion(rs
, chr
->label
);
3352 qapi_free_ChardevInfoList(start
);
3355 static void ringbuf_completion(ReadLineState
*rs
, const char *str
)
3358 ChardevInfoList
*list
, *start
;
3361 readline_set_completion_index(rs
, len
);
3363 start
= list
= qmp_query_chardev(NULL
);
3365 ChardevInfo
*chr_info
= list
->value
;
3367 if (!strncmp(chr_info
->label
, str
, len
)) {
3368 Chardev
*chr
= qemu_chr_find(chr_info
->label
);
3369 if (chr
&& CHARDEV_IS_RINGBUF(chr
)) {
3370 readline_add_completion(rs
, chr_info
->label
);
3375 qapi_free_ChardevInfoList(start
);
3378 void ringbuf_write_completion(ReadLineState
*rs
, int nb_args
, const char *str
)
3383 ringbuf_completion(rs
, str
);
3386 void device_del_completion(ReadLineState
*rs
, int nb_args
, const char *str
)
3395 readline_set_completion_index(rs
, len
);
3396 peripheral_device_del_completion(rs
, str
, len
);
3399 void object_del_completion(ReadLineState
*rs
, int nb_args
, const char *str
)
3401 ObjectPropertyInfoList
*list
, *start
;
3408 readline_set_completion_index(rs
, len
);
3410 start
= list
= qmp_qom_list("/objects", NULL
);
3412 ObjectPropertyInfo
*info
= list
->value
;
3414 if (!strncmp(info
->type
, "child<", 5)
3415 && !strncmp(info
->name
, str
, len
)) {
3416 readline_add_completion(rs
, info
->name
);
3420 qapi_free_ObjectPropertyInfoList(start
);
3423 void sendkey_completion(ReadLineState
*rs
, int nb_args
, const char *str
)
3432 sep
= strrchr(str
, '-');
3437 readline_set_completion_index(rs
, len
);
3438 for (i
= 0; i
< Q_KEY_CODE__MAX
; i
++) {
3439 if (!strncmp(str
, QKeyCode_str(i
), len
)) {
3440 readline_add_completion(rs
, QKeyCode_str(i
));
3445 void set_link_completion(ReadLineState
*rs
, int nb_args
, const char *str
)
3450 readline_set_completion_index(rs
, len
);
3452 NetClientState
*ncs
[MAX_QUEUE_NUM
];
3454 count
= qemu_find_net_clients_except(NULL
, ncs
,
3455 NET_CLIENT_DRIVER_NONE
,
3457 for (i
= 0; i
< MIN(count
, MAX_QUEUE_NUM
); i
++) {
3458 const char *name
= ncs
[i
]->name
;
3459 if (!strncmp(str
, name
, len
)) {
3460 readline_add_completion(rs
, name
);
3463 } else if (nb_args
== 3) {
3464 add_completion_option(rs
, str
, "on");
3465 add_completion_option(rs
, str
, "off");
3469 void netdev_del_completion(ReadLineState
*rs
, int nb_args
, const char *str
)
3472 NetClientState
*ncs
[MAX_QUEUE_NUM
];
3479 readline_set_completion_index(rs
, len
);
3480 count
= qemu_find_net_clients_except(NULL
, ncs
, NET_CLIENT_DRIVER_NIC
,
3482 for (i
= 0; i
< MIN(count
, MAX_QUEUE_NUM
); i
++) {
3484 const char *name
= ncs
[i
]->name
;
3485 if (strncmp(str
, name
, len
)) {
3488 opts
= qemu_opts_find(qemu_find_opts_err("netdev", NULL
), name
);
3490 readline_add_completion(rs
, name
);
3495 void info_trace_events_completion(ReadLineState
*rs
, int nb_args
, const char *str
)
3500 readline_set_completion_index(rs
, len
);
3502 TraceEventIter iter
;
3504 char *pattern
= g_strdup_printf("%s*", str
);
3505 trace_event_iter_init(&iter
, pattern
);
3506 while ((ev
= trace_event_iter_next(&iter
)) != NULL
) {
3507 readline_add_completion(rs
, trace_event_get_name(ev
));
3513 void trace_event_completion(ReadLineState
*rs
, int nb_args
, const char *str
)
3518 readline_set_completion_index(rs
, len
);
3520 TraceEventIter iter
;
3522 char *pattern
= g_strdup_printf("%s*", str
);
3523 trace_event_iter_init(&iter
, pattern
);
3524 while ((ev
= trace_event_iter_next(&iter
)) != NULL
) {
3525 readline_add_completion(rs
, trace_event_get_name(ev
));
3528 } else if (nb_args
== 3) {
3529 add_completion_option(rs
, str
, "on");
3530 add_completion_option(rs
, str
, "off");
3534 void watchdog_action_completion(ReadLineState
*rs
, int nb_args
, const char *str
)
3541 readline_set_completion_index(rs
, strlen(str
));
3542 for (i
= 0; i
< WATCHDOG_ACTION__MAX
; i
++) {
3543 add_completion_option(rs
, str
, WatchdogAction_str(i
));
3547 void migrate_set_capability_completion(ReadLineState
*rs
, int nb_args
,
3553 readline_set_completion_index(rs
, len
);
3556 for (i
= 0; i
< MIGRATION_CAPABILITY__MAX
; i
++) {
3557 const char *name
= MigrationCapability_str(i
);
3558 if (!strncmp(str
, name
, len
)) {
3559 readline_add_completion(rs
, name
);
3562 } else if (nb_args
== 3) {
3563 add_completion_option(rs
, str
, "on");
3564 add_completion_option(rs
, str
, "off");
3568 void migrate_set_parameter_completion(ReadLineState
*rs
, int nb_args
,
3574 readline_set_completion_index(rs
, len
);
3577 for (i
= 0; i
< MIGRATION_PARAMETER__MAX
; i
++) {
3578 const char *name
= MigrationParameter_str(i
);
3579 if (!strncmp(str
, name
, len
)) {
3580 readline_add_completion(rs
, name
);
3586 static void vm_completion(ReadLineState
*rs
, const char *str
)
3589 BlockDriverState
*bs
;
3590 BdrvNextIterator it
;
3593 readline_set_completion_index(rs
, len
);
3595 for (bs
= bdrv_first(&it
); bs
; bs
= bdrv_next(&it
)) {
3596 SnapshotInfoList
*snapshots
, *snapshot
;
3597 AioContext
*ctx
= bdrv_get_aio_context(bs
);
3600 aio_context_acquire(ctx
);
3601 if (bdrv_can_snapshot(bs
)) {
3602 ok
= bdrv_query_snapshot_info_list(bs
, &snapshots
, NULL
) == 0;
3604 aio_context_release(ctx
);
3609 snapshot
= snapshots
;
3611 char *completion
= snapshot
->value
->name
;
3612 if (!strncmp(str
, completion
, len
)) {
3613 readline_add_completion(rs
, completion
);
3615 completion
= snapshot
->value
->id
;
3616 if (!strncmp(str
, completion
, len
)) {
3617 readline_add_completion(rs
, completion
);
3619 snapshot
= snapshot
->next
;
3621 qapi_free_SnapshotInfoList(snapshots
);
3626 void delvm_completion(ReadLineState
*rs
, int nb_args
, const char *str
)
3629 vm_completion(rs
, str
);
3633 void loadvm_completion(ReadLineState
*rs
, int nb_args
, const char *str
)
3636 vm_completion(rs
, str
);
3640 static void monitor_find_completion_by_table(Monitor
*mon
,
3641 const mon_cmd_t
*cmd_table
,
3645 const char *cmdname
;
3647 const char *ptype
, *old_ptype
, *str
, *name
;
3648 const mon_cmd_t
*cmd
;
3649 BlockBackend
*blk
= NULL
;
3652 /* command completion */
3657 readline_set_completion_index(mon
->rs
, strlen(cmdname
));
3658 for (cmd
= cmd_table
; cmd
->name
!= NULL
; cmd
++) {
3659 cmd_completion(mon
, cmdname
, cmd
->name
);
3662 /* find the command */
3663 for (cmd
= cmd_table
; cmd
->name
!= NULL
; cmd
++) {
3664 if (compare_cmd(args
[0], cmd
->name
)) {
3672 if (cmd
->sub_table
) {
3673 /* do the job again */
3674 monitor_find_completion_by_table(mon
, cmd
->sub_table
,
3675 &args
[1], nb_args
- 1);
3678 if (cmd
->command_completion
) {
3679 cmd
->command_completion(mon
->rs
, nb_args
, args
[nb_args
- 1]);
3683 ptype
= next_arg_type(cmd
->args_type
);
3684 for(i
= 0; i
< nb_args
- 2; i
++) {
3685 if (*ptype
!= '\0') {
3686 ptype
= next_arg_type(ptype
);
3687 while (*ptype
== '?')
3688 ptype
= next_arg_type(ptype
);
3691 str
= args
[nb_args
- 1];
3693 while (*ptype
== '-' && old_ptype
!= ptype
) {
3695 ptype
= next_arg_type(ptype
);
3699 /* file completion */
3700 readline_set_completion_index(mon
->rs
, strlen(str
));
3701 file_completion(mon
, str
);
3704 /* block device name completion */
3705 readline_set_completion_index(mon
->rs
, strlen(str
));
3706 while ((blk
= blk_next(blk
)) != NULL
) {
3707 name
= blk_name(blk
);
3708 if (str
[0] == '\0' ||
3709 !strncmp(name
, str
, strlen(str
))) {
3710 readline_add_completion(mon
->rs
, name
);
3716 if (!strcmp(cmd
->name
, "help|?")) {
3717 monitor_find_completion_by_table(mon
, cmd_table
,
3718 &args
[1], nb_args
- 1);
3727 static void monitor_find_completion(void *opaque
,
3728 const char *cmdline
)
3730 Monitor
*mon
= opaque
;
3731 char *args
[MAX_ARGS
];
3734 /* 1. parse the cmdline */
3735 if (parse_cmdline(cmdline
, &nb_args
, args
) < 0) {
3739 /* if the line ends with a space, it means we want to complete the
3741 len
= strlen(cmdline
);
3742 if (len
> 0 && qemu_isspace(cmdline
[len
- 1])) {
3743 if (nb_args
>= MAX_ARGS
) {
3746 args
[nb_args
++] = g_strdup("");
3749 /* 2. auto complete according to args */
3750 monitor_find_completion_by_table(mon
, mon
->cmd_table
, args
, nb_args
);
3753 free_cmdline_args(args
, nb_args
);
3756 static int monitor_can_read(void *opaque
)
3758 Monitor
*mon
= opaque
;
3760 return (mon
->suspend_cnt
== 0) ? 1 : 0;
3763 static void handle_qmp_command(JSONMessageParser
*parser
, GQueue
*tokens
)
3765 QObject
*req
, *rsp
= NULL
, *id
= NULL
;
3766 QDict
*qdict
= NULL
;
3767 Monitor
*mon
= cur_mon
;
3770 req
= json_parser_parse_err(tokens
, NULL
, &err
);
3772 /* json_parser_parse_err() sucks: can fail without setting @err */
3773 error_setg(&err
, QERR_JSON_PARSING
);
3779 qdict
= qobject_to_qdict(req
);
3781 id
= qdict_get(qdict
, "id");
3783 qdict_del(qdict
, "id");
3784 } /* else will fail qmp_dispatch() */
3786 if (trace_event_get_state_backends(TRACE_HANDLE_QMP_COMMAND
)) {
3787 QString
*req_json
= qobject_to_json(req
);
3788 trace_handle_qmp_command(mon
, qstring_get_str(req_json
));
3792 rsp
= qmp_dispatch(cur_mon
->qmp
.commands
, req
);
3794 if (mon
->qmp
.commands
== &qmp_cap_negotiation_commands
) {
3795 qdict
= qdict_get_qdict(qobject_to_qdict(rsp
), "error");
3797 && !g_strcmp0(qdict_get_try_str(qdict
, "class"),
3798 QapiErrorClass_str(ERROR_CLASS_COMMAND_NOT_FOUND
))) {
3799 /* Provide a more useful error message */
3800 qdict_del(qdict
, "desc");
3801 qdict_put_str(qdict
, "desc", "Expecting capabilities negotiation"
3802 " with 'qmp_capabilities'");
3808 qdict
= qdict_new();
3809 qdict_put_obj(qdict
, "error", qmp_build_error_object(err
));
3811 rsp
= QOBJECT(qdict
);
3816 qdict_put_obj(qobject_to_qdict(rsp
), "id", id
);
3820 monitor_json_emitter(mon
, rsp
);
3824 qobject_decref(rsp
);
3825 qobject_decref(req
);
3828 static void monitor_qmp_read(void *opaque
, const uint8_t *buf
, int size
)
3830 Monitor
*old_mon
= cur_mon
;
3834 json_message_parser_feed(&cur_mon
->qmp
.parser
, (const char *) buf
, size
);
3839 static void monitor_read(void *opaque
, const uint8_t *buf
, int size
)
3841 Monitor
*old_mon
= cur_mon
;
3847 for (i
= 0; i
< size
; i
++)
3848 readline_handle_byte(cur_mon
->rs
, buf
[i
]);
3850 if (size
== 0 || buf
[size
- 1] != 0)
3851 monitor_printf(cur_mon
, "corrupted command\n");
3853 handle_hmp_command(cur_mon
, (char *)buf
);
3859 static void monitor_command_cb(void *opaque
, const char *cmdline
,
3860 void *readline_opaque
)
3862 Monitor
*mon
= opaque
;
3864 monitor_suspend(mon
);
3865 handle_hmp_command(mon
, cmdline
);
3866 monitor_resume(mon
);
3869 int monitor_suspend(Monitor
*mon
)
3877 void monitor_resume(Monitor
*mon
)
3881 if (--mon
->suspend_cnt
== 0)
3882 readline_show_prompt(mon
->rs
);
3885 static QObject
*get_qmp_greeting(void)
3887 QObject
*ver
= NULL
;
3889 qmp_marshal_query_version(NULL
, &ver
, NULL
);
3891 return qobject_from_jsonf("{'QMP': {'version': %p, 'capabilities': []}}",
3895 static void monitor_qmp_event(void *opaque
, int event
)
3898 Monitor
*mon
= opaque
;
3901 case CHR_EVENT_OPENED
:
3902 mon
->qmp
.commands
= &qmp_cap_negotiation_commands
;
3903 data
= get_qmp_greeting();
3904 monitor_json_emitter(mon
, data
);
3905 qobject_decref(data
);
3908 case CHR_EVENT_CLOSED
:
3909 json_message_parser_destroy(&mon
->qmp
.parser
);
3910 json_message_parser_init(&mon
->qmp
.parser
, handle_qmp_command
);
3912 monitor_fdsets_cleanup();
3917 static void monitor_event(void *opaque
, int event
)
3919 Monitor
*mon
= opaque
;
3922 case CHR_EVENT_MUX_IN
:
3923 qemu_mutex_lock(&mon
->out_lock
);
3925 qemu_mutex_unlock(&mon
->out_lock
);
3926 if (mon
->reset_seen
) {
3927 readline_restart(mon
->rs
);
3928 monitor_resume(mon
);
3931 mon
->suspend_cnt
= 0;
3935 case CHR_EVENT_MUX_OUT
:
3936 if (mon
->reset_seen
) {
3937 if (mon
->suspend_cnt
== 0) {
3938 monitor_printf(mon
, "\n");
3941 monitor_suspend(mon
);
3945 qemu_mutex_lock(&mon
->out_lock
);
3947 qemu_mutex_unlock(&mon
->out_lock
);
3950 case CHR_EVENT_OPENED
:
3951 monitor_printf(mon
, "QEMU %s monitor - type 'help' for more "
3952 "information\n", QEMU_VERSION
);
3953 if (!mon
->mux_out
) {
3954 readline_restart(mon
->rs
);
3955 readline_show_prompt(mon
->rs
);
3957 mon
->reset_seen
= 1;
3961 case CHR_EVENT_CLOSED
:
3963 monitor_fdsets_cleanup();
3969 compare_mon_cmd(const void *a
, const void *b
)
3971 return strcmp(((const mon_cmd_t
*)a
)->name
,
3972 ((const mon_cmd_t
*)b
)->name
);
3975 static void sortcmdlist(void)
3978 int elem_size
= sizeof(mon_cmd_t
);
3980 array_num
= sizeof(mon_cmds
)/elem_size
-1;
3981 qsort((void *)mon_cmds
, array_num
, elem_size
, compare_mon_cmd
);
3983 array_num
= sizeof(info_cmds
)/elem_size
-1;
3984 qsort((void *)info_cmds
, array_num
, elem_size
, compare_mon_cmd
);
3987 /* These functions just adapt the readline interface in a typesafe way. We
3988 * could cast function pointers but that discards compiler checks.
3990 static void GCC_FMT_ATTR(2, 3) monitor_readline_printf(void *opaque
,
3991 const char *fmt
, ...)
3995 monitor_vprintf(opaque
, fmt
, ap
);
3999 static void monitor_readline_flush(void *opaque
)
4001 monitor_flush(opaque
);
4005 * Print to current monitor if we have one, else to stderr.
4006 * TODO should return int, so callers can calculate width, but that
4007 * requires surgery to monitor_vprintf(). Left for another day.
4009 void error_vprintf(const char *fmt
, va_list ap
)
4011 if (cur_mon
&& !monitor_cur_is_qmp()) {
4012 monitor_vprintf(cur_mon
, fmt
, ap
);
4014 vfprintf(stderr
, fmt
, ap
);
4018 void error_vprintf_unless_qmp(const char *fmt
, va_list ap
)
4020 if (cur_mon
&& !monitor_cur_is_qmp()) {
4021 monitor_vprintf(cur_mon
, fmt
, ap
);
4022 } else if (!cur_mon
) {
4023 vfprintf(stderr
, fmt
, ap
);
4027 static void __attribute__((constructor
)) monitor_lock_init(void)
4029 qemu_mutex_init(&monitor_lock
);
4032 void monitor_init(Chardev
*chr
, int flags
)
4034 static int is_first_init
= 1;
4037 if (is_first_init
) {
4038 monitor_qapi_event_init();
4043 mon
= g_malloc(sizeof(*mon
));
4044 monitor_data_init(mon
);
4046 qemu_chr_fe_init(&mon
->chr
, chr
, &error_abort
);
4048 if (flags
& MONITOR_USE_READLINE
) {
4049 mon
->rs
= readline_init(monitor_readline_printf
,
4050 monitor_readline_flush
,
4052 monitor_find_completion
);
4053 monitor_read_command(mon
, 0);
4056 if (monitor_is_qmp(mon
)) {
4057 qemu_chr_fe_set_handlers(&mon
->chr
, monitor_can_read
, monitor_qmp_read
,
4058 monitor_qmp_event
, NULL
, mon
, NULL
, true);
4059 qemu_chr_fe_set_echo(&mon
->chr
, true);
4060 json_message_parser_init(&mon
->qmp
.parser
, handle_qmp_command
);
4062 qemu_chr_fe_set_handlers(&mon
->chr
, monitor_can_read
, monitor_read
,
4063 monitor_event
, NULL
, mon
, NULL
, true);
4066 qemu_mutex_lock(&monitor_lock
);
4067 QLIST_INSERT_HEAD(&mon_list
, mon
, entry
);
4068 qemu_mutex_unlock(&monitor_lock
);
4071 void monitor_cleanup(void)
4073 Monitor
*mon
, *next
;
4075 qemu_mutex_lock(&monitor_lock
);
4076 QLIST_FOREACH_SAFE(mon
, &mon_list
, entry
, next
) {
4077 QLIST_REMOVE(mon
, entry
);
4078 monitor_data_destroy(mon
);
4081 qemu_mutex_unlock(&monitor_lock
);
4084 QemuOptsList qemu_mon_opts
= {
4086 .implied_opt_name
= "chardev",
4087 .head
= QTAILQ_HEAD_INITIALIZER(qemu_mon_opts
.head
),
4091 .type
= QEMU_OPT_STRING
,
4094 .type
= QEMU_OPT_STRING
,
4097 .type
= QEMU_OPT_BOOL
,
4099 { /* end of list */ }
4104 void qmp_rtc_reset_reinjection(Error
**errp
)
4106 error_setg(errp
, QERR_FEATURE_DISABLED
, "rtc-reset-reinjection");
4109 SevInfo
*qmp_query_sev(Error
**errp
)
4111 error_setg(errp
, QERR_FEATURE_DISABLED
, "query-sev");
4115 SevLaunchMeasureInfo
*qmp_query_sev_launch_measure(Error
**errp
)
4117 error_setg(errp
, QERR_FEATURE_DISABLED
, "query-sev-launch-measure");
4122 #ifndef TARGET_S390X
4123 void qmp_dump_skeys(const char *filename
, Error
**errp
)
4125 error_setg(errp
, QERR_FEATURE_DISABLED
, "dump-skeys");
4130 GICCapabilityList
*qmp_query_gic_capabilities(Error
**errp
)
4132 error_setg(errp
, QERR_FEATURE_DISABLED
, "query-gic-capabilities");
4137 HotpluggableCPUList
*qmp_query_hotpluggable_cpus(Error
**errp
)
4139 MachineState
*ms
= MACHINE(qdev_get_machine());
4140 MachineClass
*mc
= MACHINE_GET_CLASS(ms
);
4142 if (!mc
->has_hotpluggable_cpus
) {
4143 error_setg(errp
, QERR_FEATURE_DISABLED
, "query-hotpluggable-cpus");
4147 return machine_query_hotpluggable_cpus(ms
);