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");
989 qmp_unregister_command(&qmp_commands
, "dump-skeys");
992 qmp_unregister_command(&qmp_commands
, "query-gic-capabilities");
994 #if !defined(TARGET_S390X) && !defined(TARGET_I386)
995 qmp_unregister_command(&qmp_commands
, "query-cpu-model-expansion");
997 #if !defined(TARGET_S390X)
998 qmp_unregister_command(&qmp_commands
, "query-cpu-model-baseline");
999 qmp_unregister_command(&qmp_commands
, "query-cpu-model-comparison");
1001 #if !defined(TARGET_PPC) && !defined(TARGET_ARM) && !defined(TARGET_I386) \
1002 && !defined(TARGET_S390X)
1003 qmp_unregister_command(&qmp_commands
, "query-cpu-definitions");
1007 void monitor_init_qmp_commands(void)
1010 * Two command lists:
1011 * - qmp_commands contains all QMP commands
1012 * - qmp_cap_negotiation_commands contains just
1013 * "qmp_capabilities", to enforce capability negotiation
1016 qmp_init_marshal(&qmp_commands
);
1018 qmp_register_command(&qmp_commands
, "query-qmp-schema",
1019 qmp_query_qmp_schema
,
1021 qmp_register_command(&qmp_commands
, "device_add", qmp_device_add
,
1023 qmp_register_command(&qmp_commands
, "netdev_add", qmp_netdev_add
,
1026 qmp_unregister_commands_hack();
1028 QTAILQ_INIT(&qmp_cap_negotiation_commands
);
1029 qmp_register_command(&qmp_cap_negotiation_commands
, "qmp_capabilities",
1030 qmp_marshal_qmp_capabilities
, QCO_NO_OPTIONS
);
1033 void qmp_qmp_capabilities(Error
**errp
)
1035 if (cur_mon
->qmp
.commands
== &qmp_commands
) {
1036 error_set(errp
, ERROR_CLASS_COMMAND_NOT_FOUND
,
1037 "Capabilities negotiation is already complete, command "
1042 cur_mon
->qmp
.commands
= &qmp_commands
;
1045 /* set the current CPU defined by the user */
1046 int monitor_set_cpu(int cpu_index
)
1050 cpu
= qemu_get_cpu(cpu_index
);
1054 g_free(cur_mon
->mon_cpu_path
);
1055 cur_mon
->mon_cpu_path
= object_get_canonical_path(OBJECT(cpu
));
1059 static CPUState
*mon_get_cpu_sync(bool synchronize
)
1063 if (cur_mon
->mon_cpu_path
) {
1064 cpu
= (CPUState
*) object_resolve_path_type(cur_mon
->mon_cpu_path
,
1067 g_free(cur_mon
->mon_cpu_path
);
1068 cur_mon
->mon_cpu_path
= NULL
;
1071 if (!cur_mon
->mon_cpu_path
) {
1075 monitor_set_cpu(first_cpu
->cpu_index
);
1079 cpu_synchronize_state(cpu
);
1084 CPUState
*mon_get_cpu(void)
1086 return mon_get_cpu_sync(true);
1089 CPUArchState
*mon_get_cpu_env(void)
1091 CPUState
*cs
= mon_get_cpu();
1093 return cs
? cs
->env_ptr
: NULL
;
1096 int monitor_get_cpu_index(void)
1098 CPUState
*cs
= mon_get_cpu_sync(false);
1100 return cs
? cs
->cpu_index
: UNASSIGNED_CPU_INDEX
;
1103 static void hmp_info_registers(Monitor
*mon
, const QDict
*qdict
)
1105 bool all_cpus
= qdict_get_try_bool(qdict
, "cpustate_all", false);
1110 monitor_printf(mon
, "\nCPU#%d\n", cs
->cpu_index
);
1111 cpu_dump_state(cs
, (FILE *)mon
, monitor_fprintf
, CPU_DUMP_FPU
);
1117 monitor_printf(mon
, "No CPU available\n");
1121 cpu_dump_state(cs
, (FILE *)mon
, monitor_fprintf
, CPU_DUMP_FPU
);
1126 static void hmp_info_jit(Monitor
*mon
, const QDict
*qdict
)
1128 if (!tcg_enabled()) {
1129 error_report("JIT information is only available with accel=tcg");
1133 dump_exec_info((FILE *)mon
, monitor_fprintf
);
1134 dump_drift_info((FILE *)mon
, monitor_fprintf
);
1137 static void hmp_info_opcount(Monitor
*mon
, const QDict
*qdict
)
1139 dump_opcount_info((FILE *)mon
, monitor_fprintf
);
1143 static void hmp_info_history(Monitor
*mon
, const QDict
*qdict
)
1152 str
= readline_get_history(mon
->rs
, i
);
1155 monitor_printf(mon
, "%d: '%s'\n", i
, str
);
1160 static void hmp_info_cpustats(Monitor
*mon
, const QDict
*qdict
)
1162 CPUState
*cs
= mon_get_cpu();
1165 monitor_printf(mon
, "No CPU available\n");
1168 cpu_dump_statistics(cs
, (FILE *)mon
, &monitor_fprintf
, 0);
1171 static void hmp_info_trace_events(Monitor
*mon
, const QDict
*qdict
)
1173 const char *name
= qdict_get_try_str(qdict
, "name");
1174 bool has_vcpu
= qdict_haskey(qdict
, "vcpu");
1175 int vcpu
= qdict_get_try_int(qdict
, "vcpu", 0);
1176 TraceEventInfoList
*events
;
1177 TraceEventInfoList
*elem
;
1178 Error
*local_err
= NULL
;
1184 monitor_printf(mon
, "argument vcpu must be positive");
1188 events
= qmp_trace_event_get_state(name
, has_vcpu
, vcpu
, &local_err
);
1190 error_report_err(local_err
);
1194 for (elem
= events
; elem
!= NULL
; elem
= elem
->next
) {
1195 monitor_printf(mon
, "%s : state %u\n",
1197 elem
->value
->state
== TRACE_EVENT_STATE_ENABLED
? 1 : 0);
1199 qapi_free_TraceEventInfoList(events
);
1202 void qmp_client_migrate_info(const char *protocol
, const char *hostname
,
1203 bool has_port
, int64_t port
,
1204 bool has_tls_port
, int64_t tls_port
,
1205 bool has_cert_subject
, const char *cert_subject
,
1208 if (strcmp(protocol
, "spice") == 0) {
1209 if (!qemu_using_spice(errp
)) {
1213 if (!has_port
&& !has_tls_port
) {
1214 error_setg(errp
, QERR_MISSING_PARAMETER
, "port/tls-port");
1218 if (qemu_spice_migrate_info(hostname
,
1219 has_port
? port
: -1,
1220 has_tls_port
? tls_port
: -1,
1222 error_setg(errp
, QERR_UNDEFINED_ERROR
);
1228 error_setg(errp
, QERR_INVALID_PARAMETER_VALUE
, "protocol", "spice");
1231 static void hmp_logfile(Monitor
*mon
, const QDict
*qdict
)
1235 qemu_set_log_filename(qdict_get_str(qdict
, "filename"), &err
);
1237 error_report_err(err
);
1241 static void hmp_log(Monitor
*mon
, const QDict
*qdict
)
1244 const char *items
= qdict_get_str(qdict
, "items");
1246 if (!strcmp(items
, "none")) {
1249 mask
= qemu_str_to_log_mask(items
);
1251 help_cmd(mon
, "log");
1258 static void hmp_singlestep(Monitor
*mon
, const QDict
*qdict
)
1260 const char *option
= qdict_get_try_str(qdict
, "option");
1261 if (!option
|| !strcmp(option
, "on")) {
1263 } else if (!strcmp(option
, "off")) {
1266 monitor_printf(mon
, "unexpected option %s\n", option
);
1270 static void hmp_gdbserver(Monitor
*mon
, const QDict
*qdict
)
1272 const char *device
= qdict_get_try_str(qdict
, "device");
1274 device
= "tcp::" DEFAULT_GDBSTUB_PORT
;
1275 if (gdbserver_start(device
) < 0) {
1276 monitor_printf(mon
, "Could not open gdbserver on device '%s'\n",
1278 } else if (strcmp(device
, "none") == 0) {
1279 monitor_printf(mon
, "Disabled gdbserver\n");
1281 monitor_printf(mon
, "Waiting for gdb connection on device '%s'\n",
1286 static void hmp_watchdog_action(Monitor
*mon
, const QDict
*qdict
)
1288 const char *action
= qdict_get_str(qdict
, "action");
1289 if (select_watchdog_action(action
) == -1) {
1290 monitor_printf(mon
, "Unknown watchdog action '%s'\n", action
);
1294 static void monitor_printc(Monitor
*mon
, int c
)
1296 monitor_printf(mon
, "'");
1299 monitor_printf(mon
, "\\'");
1302 monitor_printf(mon
, "\\\\");
1305 monitor_printf(mon
, "\\n");
1308 monitor_printf(mon
, "\\r");
1311 if (c
>= 32 && c
<= 126) {
1312 monitor_printf(mon
, "%c", c
);
1314 monitor_printf(mon
, "\\x%02x", c
);
1318 monitor_printf(mon
, "'");
1321 static void memory_dump(Monitor
*mon
, int count
, int format
, int wsize
,
1322 hwaddr addr
, int is_physical
)
1324 int l
, line_size
, i
, max_digits
, len
;
1327 CPUState
*cs
= mon_get_cpu();
1329 if (!cs
&& (format
== 'i' || !is_physical
)) {
1330 monitor_printf(mon
, "Can not dump without CPU\n");
1334 if (format
== 'i') {
1335 monitor_disas(mon
, cs
, addr
, count
, is_physical
);
1339 len
= wsize
* count
;
1348 max_digits
= DIV_ROUND_UP(wsize
* 8, 3);
1352 max_digits
= (wsize
* 8) / 4;
1356 max_digits
= DIV_ROUND_UP(wsize
* 8 * 10, 33);
1365 monitor_printf(mon
, TARGET_FMT_plx
":", addr
);
1367 monitor_printf(mon
, TARGET_FMT_lx
":", (target_ulong
)addr
);
1372 cpu_physical_memory_read(addr
, buf
, l
);
1374 if (cpu_memory_rw_debug(cs
, addr
, buf
, l
, 0) < 0) {
1375 monitor_printf(mon
, " Cannot access memory\n");
1384 v
= ldub_p(buf
+ i
);
1387 v
= lduw_p(buf
+ i
);
1390 v
= (uint32_t)ldl_p(buf
+ i
);
1396 monitor_printf(mon
, " ");
1399 monitor_printf(mon
, "%#*" PRIo64
, max_digits
, v
);
1402 monitor_printf(mon
, "0x%0*" PRIx64
, max_digits
, v
);
1405 monitor_printf(mon
, "%*" PRIu64
, max_digits
, v
);
1408 monitor_printf(mon
, "%*" PRId64
, max_digits
, v
);
1411 monitor_printc(mon
, v
);
1416 monitor_printf(mon
, "\n");
1422 static void hmp_memory_dump(Monitor
*mon
, const QDict
*qdict
)
1424 int count
= qdict_get_int(qdict
, "count");
1425 int format
= qdict_get_int(qdict
, "format");
1426 int size
= qdict_get_int(qdict
, "size");
1427 target_long addr
= qdict_get_int(qdict
, "addr");
1429 memory_dump(mon
, count
, format
, size
, addr
, 0);
1432 static void hmp_physical_memory_dump(Monitor
*mon
, const QDict
*qdict
)
1434 int count
= qdict_get_int(qdict
, "count");
1435 int format
= qdict_get_int(qdict
, "format");
1436 int size
= qdict_get_int(qdict
, "size");
1437 hwaddr addr
= qdict_get_int(qdict
, "addr");
1439 memory_dump(mon
, count
, format
, size
, addr
, 1);
1442 static void *gpa2hva(MemoryRegion
**p_mr
, hwaddr addr
, Error
**errp
)
1444 MemoryRegionSection mrs
= memory_region_find(get_system_memory(),
1448 error_setg(errp
, "No memory is mapped at address 0x%" HWADDR_PRIx
, addr
);
1452 if (!memory_region_is_ram(mrs
.mr
) && !memory_region_is_romd(mrs
.mr
)) {
1453 error_setg(errp
, "Memory at address 0x%" HWADDR_PRIx
"is not RAM", addr
);
1454 memory_region_unref(mrs
.mr
);
1459 return qemu_map_ram_ptr(mrs
.mr
->ram_block
, mrs
.offset_within_region
);
1462 static void hmp_gpa2hva(Monitor
*mon
, const QDict
*qdict
)
1464 hwaddr addr
= qdict_get_int(qdict
, "addr");
1465 Error
*local_err
= NULL
;
1466 MemoryRegion
*mr
= NULL
;
1469 ptr
= gpa2hva(&mr
, addr
, &local_err
);
1471 error_report_err(local_err
);
1475 monitor_printf(mon
, "Host virtual address for 0x%" HWADDR_PRIx
1477 addr
, mr
->name
, ptr
);
1479 memory_region_unref(mr
);
1483 static uint64_t vtop(void *ptr
, Error
**errp
)
1487 uintptr_t addr
= (uintptr_t) ptr
;
1488 uintptr_t pagesize
= getpagesize();
1489 off_t offset
= addr
/ pagesize
* sizeof(pinfo
);
1492 fd
= open("/proc/self/pagemap", O_RDONLY
);
1494 error_setg_errno(errp
, errno
, "Cannot open /proc/self/pagemap");
1498 /* Force copy-on-write if necessary. */
1499 atomic_add((uint8_t *)ptr
, 0);
1501 if (pread(fd
, &pinfo
, sizeof(pinfo
), offset
) != sizeof(pinfo
)) {
1502 error_setg_errno(errp
, errno
, "Cannot read pagemap");
1505 if ((pinfo
& (1ull << 63)) == 0) {
1506 error_setg(errp
, "Page not present");
1509 ret
= ((pinfo
& 0x007fffffffffffffull
) * pagesize
) | (addr
& (pagesize
- 1));
1516 static void hmp_gpa2hpa(Monitor
*mon
, const QDict
*qdict
)
1518 hwaddr addr
= qdict_get_int(qdict
, "addr");
1519 Error
*local_err
= NULL
;
1520 MemoryRegion
*mr
= NULL
;
1524 ptr
= gpa2hva(&mr
, addr
, &local_err
);
1526 error_report_err(local_err
);
1530 physaddr
= vtop(ptr
, &local_err
);
1532 error_report_err(local_err
);
1534 monitor_printf(mon
, "Host physical address for 0x%" HWADDR_PRIx
1535 " (%s) is 0x%" PRIx64
"\n",
1536 addr
, mr
->name
, (uint64_t) physaddr
);
1539 memory_region_unref(mr
);
1543 static void do_print(Monitor
*mon
, const QDict
*qdict
)
1545 int format
= qdict_get_int(qdict
, "format");
1546 hwaddr val
= qdict_get_int(qdict
, "val");
1550 monitor_printf(mon
, "%#" HWADDR_PRIo
, val
);
1553 monitor_printf(mon
, "%#" HWADDR_PRIx
, val
);
1556 monitor_printf(mon
, "%" HWADDR_PRIu
, val
);
1560 monitor_printf(mon
, "%" HWADDR_PRId
, val
);
1563 monitor_printc(mon
, val
);
1566 monitor_printf(mon
, "\n");
1569 static void hmp_sum(Monitor
*mon
, const QDict
*qdict
)
1573 uint32_t start
= qdict_get_int(qdict
, "start");
1574 uint32_t size
= qdict_get_int(qdict
, "size");
1577 for(addr
= start
; addr
< (start
+ size
); addr
++) {
1578 uint8_t val
= address_space_ldub(&address_space_memory
, addr
,
1579 MEMTXATTRS_UNSPECIFIED
, NULL
);
1580 /* BSD sum algorithm ('sum' Unix command) */
1581 sum
= (sum
>> 1) | (sum
<< 15);
1584 monitor_printf(mon
, "%05d\n", sum
);
1587 static int mouse_button_state
;
1589 static void hmp_mouse_move(Monitor
*mon
, const QDict
*qdict
)
1591 int dx
, dy
, dz
, button
;
1592 const char *dx_str
= qdict_get_str(qdict
, "dx_str");
1593 const char *dy_str
= qdict_get_str(qdict
, "dy_str");
1594 const char *dz_str
= qdict_get_try_str(qdict
, "dz_str");
1596 dx
= strtol(dx_str
, NULL
, 0);
1597 dy
= strtol(dy_str
, NULL
, 0);
1598 qemu_input_queue_rel(NULL
, INPUT_AXIS_X
, dx
);
1599 qemu_input_queue_rel(NULL
, INPUT_AXIS_Y
, dy
);
1602 dz
= strtol(dz_str
, NULL
, 0);
1604 button
= (dz
> 0) ? INPUT_BUTTON_WHEEL_UP
: INPUT_BUTTON_WHEEL_DOWN
;
1605 qemu_input_queue_btn(NULL
, button
, true);
1606 qemu_input_event_sync();
1607 qemu_input_queue_btn(NULL
, button
, false);
1610 qemu_input_event_sync();
1613 static void hmp_mouse_button(Monitor
*mon
, const QDict
*qdict
)
1615 static uint32_t bmap
[INPUT_BUTTON__MAX
] = {
1616 [INPUT_BUTTON_LEFT
] = MOUSE_EVENT_LBUTTON
,
1617 [INPUT_BUTTON_MIDDLE
] = MOUSE_EVENT_MBUTTON
,
1618 [INPUT_BUTTON_RIGHT
] = MOUSE_EVENT_RBUTTON
,
1620 int button_state
= qdict_get_int(qdict
, "button_state");
1622 if (mouse_button_state
== button_state
) {
1625 qemu_input_update_buttons(NULL
, bmap
, mouse_button_state
, button_state
);
1626 qemu_input_event_sync();
1627 mouse_button_state
= button_state
;
1630 static void hmp_ioport_read(Monitor
*mon
, const QDict
*qdict
)
1632 int size
= qdict_get_int(qdict
, "size");
1633 int addr
= qdict_get_int(qdict
, "addr");
1634 int has_index
= qdict_haskey(qdict
, "index");
1639 int index
= qdict_get_int(qdict
, "index");
1640 cpu_outb(addr
& IOPORTS_MASK
, index
& 0xff);
1648 val
= cpu_inb(addr
);
1652 val
= cpu_inw(addr
);
1656 val
= cpu_inl(addr
);
1660 monitor_printf(mon
, "port%c[0x%04x] = %#0*x\n",
1661 suffix
, addr
, size
* 2, val
);
1664 static void hmp_ioport_write(Monitor
*mon
, const QDict
*qdict
)
1666 int size
= qdict_get_int(qdict
, "size");
1667 int addr
= qdict_get_int(qdict
, "addr");
1668 int val
= qdict_get_int(qdict
, "val");
1670 addr
&= IOPORTS_MASK
;
1675 cpu_outb(addr
, val
);
1678 cpu_outw(addr
, val
);
1681 cpu_outl(addr
, val
);
1686 static void hmp_boot_set(Monitor
*mon
, const QDict
*qdict
)
1688 Error
*local_err
= NULL
;
1689 const char *bootdevice
= qdict_get_str(qdict
, "bootdevice");
1691 qemu_boot_set(bootdevice
, &local_err
);
1693 error_report_err(local_err
);
1695 monitor_printf(mon
, "boot device list now set to %s\n", bootdevice
);
1699 static void hmp_info_mtree(Monitor
*mon
, const QDict
*qdict
)
1701 bool flatview
= qdict_get_try_bool(qdict
, "flatview", false);
1702 bool dispatch_tree
= qdict_get_try_bool(qdict
, "dispatch_tree", false);
1704 mtree_info((fprintf_function
)monitor_printf
, mon
, flatview
, dispatch_tree
);
1707 static void hmp_info_numa(Monitor
*mon
, const QDict
*qdict
)
1710 NumaNodeMem
*node_mem
;
1711 CpuInfoList
*cpu_list
, *cpu
;
1713 cpu_list
= qmp_query_cpus(&error_abort
);
1714 node_mem
= g_new0(NumaNodeMem
, nb_numa_nodes
);
1716 query_numa_node_mem(node_mem
);
1717 monitor_printf(mon
, "%d nodes\n", nb_numa_nodes
);
1718 for (i
= 0; i
< nb_numa_nodes
; i
++) {
1719 monitor_printf(mon
, "node %d cpus:", i
);
1720 for (cpu
= cpu_list
; cpu
; cpu
= cpu
->next
) {
1721 if (cpu
->value
->has_props
&& cpu
->value
->props
->has_node_id
&&
1722 cpu
->value
->props
->node_id
== i
) {
1723 monitor_printf(mon
, " %" PRIi64
, cpu
->value
->CPU
);
1726 monitor_printf(mon
, "\n");
1727 monitor_printf(mon
, "node %d size: %" PRId64
" MB\n", i
,
1728 node_mem
[i
].node_mem
>> 20);
1729 monitor_printf(mon
, "node %d plugged: %" PRId64
" MB\n", i
,
1730 node_mem
[i
].node_plugged_mem
>> 20);
1732 qapi_free_CpuInfoList(cpu_list
);
1736 #ifdef CONFIG_PROFILER
1741 static void hmp_info_profile(Monitor
*mon
, const QDict
*qdict
)
1743 monitor_printf(mon
, "async time %" PRId64
" (%0.3f)\n",
1744 dev_time
, dev_time
/ (double)NANOSECONDS_PER_SECOND
);
1745 monitor_printf(mon
, "qemu time %" PRId64
" (%0.3f)\n",
1746 tcg_time
, tcg_time
/ (double)NANOSECONDS_PER_SECOND
);
1751 static void hmp_info_profile(Monitor
*mon
, const QDict
*qdict
)
1753 monitor_printf(mon
, "Internal profiler not compiled\n");
1757 /* Capture support */
1758 static QLIST_HEAD (capture_list_head
, CaptureState
) capture_head
;
1760 static void hmp_info_capture(Monitor
*mon
, const QDict
*qdict
)
1765 for (s
= capture_head
.lh_first
, i
= 0; s
; s
= s
->entries
.le_next
, ++i
) {
1766 monitor_printf(mon
, "[%d]: ", i
);
1767 s
->ops
.info (s
->opaque
);
1771 static void hmp_stopcapture(Monitor
*mon
, const QDict
*qdict
)
1774 int n
= qdict_get_int(qdict
, "n");
1777 for (s
= capture_head
.lh_first
, i
= 0; s
; s
= s
->entries
.le_next
, ++i
) {
1779 s
->ops
.destroy (s
->opaque
);
1780 QLIST_REMOVE (s
, entries
);
1787 static void hmp_wavcapture(Monitor
*mon
, const QDict
*qdict
)
1789 const char *path
= qdict_get_str(qdict
, "path");
1790 int has_freq
= qdict_haskey(qdict
, "freq");
1791 int freq
= qdict_get_try_int(qdict
, "freq", -1);
1792 int has_bits
= qdict_haskey(qdict
, "bits");
1793 int bits
= qdict_get_try_int(qdict
, "bits", -1);
1794 int has_channels
= qdict_haskey(qdict
, "nchannels");
1795 int nchannels
= qdict_get_try_int(qdict
, "nchannels", -1);
1798 s
= g_malloc0 (sizeof (*s
));
1800 freq
= has_freq
? freq
: 44100;
1801 bits
= has_bits
? bits
: 16;
1802 nchannels
= has_channels
? nchannels
: 2;
1804 if (wav_start_capture (s
, path
, freq
, bits
, nchannels
)) {
1805 monitor_printf(mon
, "Failed to add wave capture\n");
1809 QLIST_INSERT_HEAD (&capture_head
, s
, entries
);
1812 static qemu_acl
*find_acl(Monitor
*mon
, const char *name
)
1814 qemu_acl
*acl
= qemu_acl_find(name
);
1817 monitor_printf(mon
, "acl: unknown list '%s'\n", name
);
1822 static void hmp_acl_show(Monitor
*mon
, const QDict
*qdict
)
1824 const char *aclname
= qdict_get_str(qdict
, "aclname");
1825 qemu_acl
*acl
= find_acl(mon
, aclname
);
1826 qemu_acl_entry
*entry
;
1830 monitor_printf(mon
, "policy: %s\n",
1831 acl
->defaultDeny
? "deny" : "allow");
1832 QTAILQ_FOREACH(entry
, &acl
->entries
, next
) {
1834 monitor_printf(mon
, "%d: %s %s\n", i
,
1835 entry
->deny
? "deny" : "allow", entry
->match
);
1840 static void hmp_acl_reset(Monitor
*mon
, const QDict
*qdict
)
1842 const char *aclname
= qdict_get_str(qdict
, "aclname");
1843 qemu_acl
*acl
= find_acl(mon
, aclname
);
1846 qemu_acl_reset(acl
);
1847 monitor_printf(mon
, "acl: removed all rules\n");
1851 static void hmp_acl_policy(Monitor
*mon
, const QDict
*qdict
)
1853 const char *aclname
= qdict_get_str(qdict
, "aclname");
1854 const char *policy
= qdict_get_str(qdict
, "policy");
1855 qemu_acl
*acl
= find_acl(mon
, aclname
);
1858 if (strcmp(policy
, "allow") == 0) {
1859 acl
->defaultDeny
= 0;
1860 monitor_printf(mon
, "acl: policy set to 'allow'\n");
1861 } else if (strcmp(policy
, "deny") == 0) {
1862 acl
->defaultDeny
= 1;
1863 monitor_printf(mon
, "acl: policy set to 'deny'\n");
1865 monitor_printf(mon
, "acl: unknown policy '%s', "
1866 "expected 'deny' or 'allow'\n", policy
);
1871 static void hmp_acl_add(Monitor
*mon
, const QDict
*qdict
)
1873 const char *aclname
= qdict_get_str(qdict
, "aclname");
1874 const char *match
= qdict_get_str(qdict
, "match");
1875 const char *policy
= qdict_get_str(qdict
, "policy");
1876 int has_index
= qdict_haskey(qdict
, "index");
1877 int index
= qdict_get_try_int(qdict
, "index", -1);
1878 qemu_acl
*acl
= find_acl(mon
, aclname
);
1882 if (strcmp(policy
, "allow") == 0) {
1884 } else if (strcmp(policy
, "deny") == 0) {
1887 monitor_printf(mon
, "acl: unknown policy '%s', "
1888 "expected 'deny' or 'allow'\n", policy
);
1892 ret
= qemu_acl_insert(acl
, deny
, match
, index
);
1894 ret
= qemu_acl_append(acl
, deny
, match
);
1896 monitor_printf(mon
, "acl: unable to add acl entry\n");
1898 monitor_printf(mon
, "acl: added rule at position %d\n", ret
);
1902 static void hmp_acl_remove(Monitor
*mon
, const QDict
*qdict
)
1904 const char *aclname
= qdict_get_str(qdict
, "aclname");
1905 const char *match
= qdict_get_str(qdict
, "match");
1906 qemu_acl
*acl
= find_acl(mon
, aclname
);
1910 ret
= qemu_acl_remove(acl
, match
);
1912 monitor_printf(mon
, "acl: no matching acl entry\n");
1914 monitor_printf(mon
, "acl: removed rule at position %d\n", ret
);
1918 void qmp_getfd(const char *fdname
, Error
**errp
)
1923 fd
= qemu_chr_fe_get_msgfd(&cur_mon
->chr
);
1925 error_setg(errp
, QERR_FD_NOT_SUPPLIED
);
1929 if (qemu_isdigit(fdname
[0])) {
1931 error_setg(errp
, QERR_INVALID_PARAMETER_VALUE
, "fdname",
1932 "a name not starting with a digit");
1936 QLIST_FOREACH(monfd
, &cur_mon
->fds
, next
) {
1937 if (strcmp(monfd
->name
, fdname
) != 0) {
1946 monfd
= g_malloc0(sizeof(mon_fd_t
));
1947 monfd
->name
= g_strdup(fdname
);
1950 QLIST_INSERT_HEAD(&cur_mon
->fds
, monfd
, next
);
1953 void qmp_closefd(const char *fdname
, Error
**errp
)
1957 QLIST_FOREACH(monfd
, &cur_mon
->fds
, next
) {
1958 if (strcmp(monfd
->name
, fdname
) != 0) {
1962 QLIST_REMOVE(monfd
, next
);
1964 g_free(monfd
->name
);
1969 error_setg(errp
, QERR_FD_NOT_FOUND
, fdname
);
1972 int monitor_get_fd(Monitor
*mon
, const char *fdname
, Error
**errp
)
1976 QLIST_FOREACH(monfd
, &mon
->fds
, next
) {
1979 if (strcmp(monfd
->name
, fdname
) != 0) {
1985 /* caller takes ownership of fd */
1986 QLIST_REMOVE(monfd
, next
);
1987 g_free(monfd
->name
);
1993 error_setg(errp
, "File descriptor named '%s' has not been found", fdname
);
1997 static void monitor_fdset_cleanup(MonFdset
*mon_fdset
)
1999 MonFdsetFd
*mon_fdset_fd
;
2000 MonFdsetFd
*mon_fdset_fd_next
;
2002 QLIST_FOREACH_SAFE(mon_fdset_fd
, &mon_fdset
->fds
, next
, mon_fdset_fd_next
) {
2003 if ((mon_fdset_fd
->removed
||
2004 (QLIST_EMPTY(&mon_fdset
->dup_fds
) && mon_refcount
== 0)) &&
2005 runstate_is_running()) {
2006 close(mon_fdset_fd
->fd
);
2007 g_free(mon_fdset_fd
->opaque
);
2008 QLIST_REMOVE(mon_fdset_fd
, next
);
2009 g_free(mon_fdset_fd
);
2013 if (QLIST_EMPTY(&mon_fdset
->fds
) && QLIST_EMPTY(&mon_fdset
->dup_fds
)) {
2014 QLIST_REMOVE(mon_fdset
, next
);
2019 static void monitor_fdsets_cleanup(void)
2021 MonFdset
*mon_fdset
;
2022 MonFdset
*mon_fdset_next
;
2024 QLIST_FOREACH_SAFE(mon_fdset
, &mon_fdsets
, next
, mon_fdset_next
) {
2025 monitor_fdset_cleanup(mon_fdset
);
2029 AddfdInfo
*qmp_add_fd(bool has_fdset_id
, int64_t fdset_id
, bool has_opaque
,
2030 const char *opaque
, Error
**errp
)
2033 Monitor
*mon
= cur_mon
;
2036 fd
= qemu_chr_fe_get_msgfd(&mon
->chr
);
2038 error_setg(errp
, QERR_FD_NOT_SUPPLIED
);
2042 fdinfo
= monitor_fdset_add_fd(fd
, has_fdset_id
, fdset_id
,
2043 has_opaque
, opaque
, errp
);
2055 void qmp_remove_fd(int64_t fdset_id
, bool has_fd
, int64_t fd
, Error
**errp
)
2057 MonFdset
*mon_fdset
;
2058 MonFdsetFd
*mon_fdset_fd
;
2061 QLIST_FOREACH(mon_fdset
, &mon_fdsets
, next
) {
2062 if (mon_fdset
->id
!= fdset_id
) {
2065 QLIST_FOREACH(mon_fdset_fd
, &mon_fdset
->fds
, next
) {
2067 if (mon_fdset_fd
->fd
!= fd
) {
2070 mon_fdset_fd
->removed
= true;
2073 mon_fdset_fd
->removed
= true;
2076 if (has_fd
&& !mon_fdset_fd
) {
2079 monitor_fdset_cleanup(mon_fdset
);
2085 snprintf(fd_str
, sizeof(fd_str
), "fdset-id:%" PRId64
", fd:%" PRId64
,
2088 snprintf(fd_str
, sizeof(fd_str
), "fdset-id:%" PRId64
, fdset_id
);
2090 error_setg(errp
, QERR_FD_NOT_FOUND
, fd_str
);
2093 FdsetInfoList
*qmp_query_fdsets(Error
**errp
)
2095 MonFdset
*mon_fdset
;
2096 MonFdsetFd
*mon_fdset_fd
;
2097 FdsetInfoList
*fdset_list
= NULL
;
2099 QLIST_FOREACH(mon_fdset
, &mon_fdsets
, next
) {
2100 FdsetInfoList
*fdset_info
= g_malloc0(sizeof(*fdset_info
));
2101 FdsetFdInfoList
*fdsetfd_list
= NULL
;
2103 fdset_info
->value
= g_malloc0(sizeof(*fdset_info
->value
));
2104 fdset_info
->value
->fdset_id
= mon_fdset
->id
;
2106 QLIST_FOREACH(mon_fdset_fd
, &mon_fdset
->fds
, next
) {
2107 FdsetFdInfoList
*fdsetfd_info
;
2109 fdsetfd_info
= g_malloc0(sizeof(*fdsetfd_info
));
2110 fdsetfd_info
->value
= g_malloc0(sizeof(*fdsetfd_info
->value
));
2111 fdsetfd_info
->value
->fd
= mon_fdset_fd
->fd
;
2112 if (mon_fdset_fd
->opaque
) {
2113 fdsetfd_info
->value
->has_opaque
= true;
2114 fdsetfd_info
->value
->opaque
= g_strdup(mon_fdset_fd
->opaque
);
2116 fdsetfd_info
->value
->has_opaque
= false;
2119 fdsetfd_info
->next
= fdsetfd_list
;
2120 fdsetfd_list
= fdsetfd_info
;
2123 fdset_info
->value
->fds
= fdsetfd_list
;
2125 fdset_info
->next
= fdset_list
;
2126 fdset_list
= fdset_info
;
2132 AddfdInfo
*monitor_fdset_add_fd(int fd
, bool has_fdset_id
, int64_t fdset_id
,
2133 bool has_opaque
, const char *opaque
,
2136 MonFdset
*mon_fdset
= NULL
;
2137 MonFdsetFd
*mon_fdset_fd
;
2141 QLIST_FOREACH(mon_fdset
, &mon_fdsets
, next
) {
2142 /* Break if match found or match impossible due to ordering by ID */
2143 if (fdset_id
<= mon_fdset
->id
) {
2144 if (fdset_id
< mon_fdset
->id
) {
2152 if (mon_fdset
== NULL
) {
2153 int64_t fdset_id_prev
= -1;
2154 MonFdset
*mon_fdset_cur
= QLIST_FIRST(&mon_fdsets
);
2158 error_setg(errp
, QERR_INVALID_PARAMETER_VALUE
, "fdset-id",
2159 "a non-negative value");
2162 /* Use specified fdset ID */
2163 QLIST_FOREACH(mon_fdset
, &mon_fdsets
, next
) {
2164 mon_fdset_cur
= mon_fdset
;
2165 if (fdset_id
< mon_fdset_cur
->id
) {
2170 /* Use first available fdset ID */
2171 QLIST_FOREACH(mon_fdset
, &mon_fdsets
, next
) {
2172 mon_fdset_cur
= mon_fdset
;
2173 if (fdset_id_prev
== mon_fdset_cur
->id
- 1) {
2174 fdset_id_prev
= mon_fdset_cur
->id
;
2181 mon_fdset
= g_malloc0(sizeof(*mon_fdset
));
2183 mon_fdset
->id
= fdset_id
;
2185 mon_fdset
->id
= fdset_id_prev
+ 1;
2188 /* The fdset list is ordered by fdset ID */
2189 if (!mon_fdset_cur
) {
2190 QLIST_INSERT_HEAD(&mon_fdsets
, mon_fdset
, next
);
2191 } else if (mon_fdset
->id
< mon_fdset_cur
->id
) {
2192 QLIST_INSERT_BEFORE(mon_fdset_cur
, mon_fdset
, next
);
2194 QLIST_INSERT_AFTER(mon_fdset_cur
, mon_fdset
, next
);
2198 mon_fdset_fd
= g_malloc0(sizeof(*mon_fdset_fd
));
2199 mon_fdset_fd
->fd
= fd
;
2200 mon_fdset_fd
->removed
= false;
2202 mon_fdset_fd
->opaque
= g_strdup(opaque
);
2204 QLIST_INSERT_HEAD(&mon_fdset
->fds
, mon_fdset_fd
, next
);
2206 fdinfo
= g_malloc0(sizeof(*fdinfo
));
2207 fdinfo
->fdset_id
= mon_fdset
->id
;
2208 fdinfo
->fd
= mon_fdset_fd
->fd
;
2213 int monitor_fdset_get_fd(int64_t fdset_id
, int flags
)
2216 MonFdset
*mon_fdset
;
2217 MonFdsetFd
*mon_fdset_fd
;
2220 QLIST_FOREACH(mon_fdset
, &mon_fdsets
, next
) {
2221 if (mon_fdset
->id
!= fdset_id
) {
2224 QLIST_FOREACH(mon_fdset_fd
, &mon_fdset
->fds
, next
) {
2225 mon_fd_flags
= fcntl(mon_fdset_fd
->fd
, F_GETFL
);
2226 if (mon_fd_flags
== -1) {
2230 if ((flags
& O_ACCMODE
) == (mon_fd_flags
& O_ACCMODE
)) {
2231 return mon_fdset_fd
->fd
;
2243 int monitor_fdset_dup_fd_add(int64_t fdset_id
, int dup_fd
)
2245 MonFdset
*mon_fdset
;
2246 MonFdsetFd
*mon_fdset_fd_dup
;
2248 QLIST_FOREACH(mon_fdset
, &mon_fdsets
, next
) {
2249 if (mon_fdset
->id
!= fdset_id
) {
2252 QLIST_FOREACH(mon_fdset_fd_dup
, &mon_fdset
->dup_fds
, next
) {
2253 if (mon_fdset_fd_dup
->fd
== dup_fd
) {
2257 mon_fdset_fd_dup
= g_malloc0(sizeof(*mon_fdset_fd_dup
));
2258 mon_fdset_fd_dup
->fd
= dup_fd
;
2259 QLIST_INSERT_HEAD(&mon_fdset
->dup_fds
, mon_fdset_fd_dup
, next
);
2265 static int monitor_fdset_dup_fd_find_remove(int dup_fd
, bool remove
)
2267 MonFdset
*mon_fdset
;
2268 MonFdsetFd
*mon_fdset_fd_dup
;
2270 QLIST_FOREACH(mon_fdset
, &mon_fdsets
, next
) {
2271 QLIST_FOREACH(mon_fdset_fd_dup
, &mon_fdset
->dup_fds
, next
) {
2272 if (mon_fdset_fd_dup
->fd
== dup_fd
) {
2274 QLIST_REMOVE(mon_fdset_fd_dup
, next
);
2275 if (QLIST_EMPTY(&mon_fdset
->dup_fds
)) {
2276 monitor_fdset_cleanup(mon_fdset
);
2280 return mon_fdset
->id
;
2288 int monitor_fdset_dup_fd_find(int dup_fd
)
2290 return monitor_fdset_dup_fd_find_remove(dup_fd
, false);
2293 void monitor_fdset_dup_fd_remove(int dup_fd
)
2295 monitor_fdset_dup_fd_find_remove(dup_fd
, true);
2298 int monitor_fd_param(Monitor
*mon
, const char *fdname
, Error
**errp
)
2301 Error
*local_err
= NULL
;
2303 if (!qemu_isdigit(fdname
[0]) && mon
) {
2304 fd
= monitor_get_fd(mon
, fdname
, &local_err
);
2306 fd
= qemu_parse_fd(fdname
);
2308 error_setg(&local_err
, "Invalid file descriptor number '%s'",
2313 error_propagate(errp
, local_err
);
2322 /* Please update hmp-commands.hx when adding or changing commands */
2323 static mon_cmd_t info_cmds
[] = {
2324 #include "hmp-commands-info.h"
2328 /* mon_cmds and info_cmds would be sorted at runtime */
2329 static mon_cmd_t mon_cmds
[] = {
2330 #include "hmp-commands.h"
2334 /*******************************************************************/
2336 static const char *pch
;
2337 static sigjmp_buf expr_env
;
2340 static void GCC_FMT_ATTR(2, 3) QEMU_NORETURN
2341 expr_error(Monitor
*mon
, const char *fmt
, ...)
2345 monitor_vprintf(mon
, fmt
, ap
);
2346 monitor_printf(mon
, "\n");
2348 siglongjmp(expr_env
, 1);
2351 /* return 0 if OK, -1 if not found */
2352 static int get_monitor_def(target_long
*pval
, const char *name
)
2354 const MonitorDef
*md
= target_monitor_defs();
2355 CPUState
*cs
= mon_get_cpu();
2360 if (cs
== NULL
|| md
== NULL
) {
2364 for(; md
->name
!= NULL
; md
++) {
2365 if (compare_cmd(name
, md
->name
)) {
2366 if (md
->get_value
) {
2367 *pval
= md
->get_value(md
, md
->offset
);
2369 CPUArchState
*env
= mon_get_cpu_env();
2370 ptr
= (uint8_t *)env
+ md
->offset
;
2373 *pval
= *(int32_t *)ptr
;
2376 *pval
= *(target_long
*)ptr
;
2387 ret
= target_get_monitor_def(cs
, name
, &tmp
);
2389 *pval
= (target_long
) tmp
;
2395 static void next(void)
2399 while (qemu_isspace(*pch
))
2404 static int64_t expr_sum(Monitor
*mon
);
2406 static int64_t expr_unary(Monitor
*mon
)
2415 n
= expr_unary(mon
);
2419 n
= -expr_unary(mon
);
2423 n
= ~expr_unary(mon
);
2429 expr_error(mon
, "')' expected");
2436 expr_error(mon
, "character constant expected");
2440 expr_error(mon
, "missing terminating \' character");
2450 while ((*pch
>= 'a' && *pch
<= 'z') ||
2451 (*pch
>= 'A' && *pch
<= 'Z') ||
2452 (*pch
>= '0' && *pch
<= '9') ||
2453 *pch
== '_' || *pch
== '.') {
2454 if ((q
- buf
) < sizeof(buf
) - 1)
2458 while (qemu_isspace(*pch
))
2461 ret
= get_monitor_def(®
, buf
);
2463 expr_error(mon
, "unknown register");
2468 expr_error(mon
, "unexpected end of expression");
2473 n
= strtoull(pch
, &p
, 0);
2474 if (errno
== ERANGE
) {
2475 expr_error(mon
, "number too large");
2478 expr_error(mon
, "invalid char '%c' in expression", *p
);
2481 while (qemu_isspace(*pch
))
2489 static int64_t expr_prod(Monitor
*mon
)
2494 val
= expr_unary(mon
);
2497 if (op
!= '*' && op
!= '/' && op
!= '%')
2500 val2
= expr_unary(mon
);
2509 expr_error(mon
, "division by zero");
2520 static int64_t expr_logic(Monitor
*mon
)
2525 val
= expr_prod(mon
);
2528 if (op
!= '&' && op
!= '|' && op
!= '^')
2531 val2
= expr_prod(mon
);
2548 static int64_t expr_sum(Monitor
*mon
)
2553 val
= expr_logic(mon
);
2556 if (op
!= '+' && op
!= '-')
2559 val2
= expr_logic(mon
);
2568 static int get_expr(Monitor
*mon
, int64_t *pval
, const char **pp
)
2571 if (sigsetjmp(expr_env
, 0)) {
2575 while (qemu_isspace(*pch
))
2577 *pval
= expr_sum(mon
);
2582 static int get_double(Monitor
*mon
, double *pval
, const char **pp
)
2584 const char *p
= *pp
;
2588 d
= strtod(p
, &tailp
);
2590 monitor_printf(mon
, "Number expected\n");
2593 if (d
!= d
|| d
- d
!= 0) {
2594 /* NaN or infinity */
2595 monitor_printf(mon
, "Bad number\n");
2604 * Store the command-name in cmdname, and return a pointer to
2605 * the remaining of the command string.
2607 static const char *get_command_name(const char *cmdline
,
2608 char *cmdname
, size_t nlen
)
2611 const char *p
, *pstart
;
2614 while (qemu_isspace(*p
))
2619 while (*p
!= '\0' && *p
!= '/' && !qemu_isspace(*p
))
2624 memcpy(cmdname
, pstart
, len
);
2625 cmdname
[len
] = '\0';
2630 * Read key of 'type' into 'key' and return the current
2633 static char *key_get_info(const char *type
, char **key
)
2641 p
= strchr(type
, ':');
2648 str
= g_malloc(len
+ 1);
2649 memcpy(str
, type
, len
);
2656 static int default_fmt_format
= 'x';
2657 static int default_fmt_size
= 4;
2659 static int is_valid_option(const char *c
, const char *typestr
)
2667 typestr
= strstr(typestr
, option
);
2668 return (typestr
!= NULL
);
2671 static const mon_cmd_t
*search_dispatch_table(const mon_cmd_t
*disp_table
,
2672 const char *cmdname
)
2674 const mon_cmd_t
*cmd
;
2676 for (cmd
= disp_table
; cmd
->name
!= NULL
; cmd
++) {
2677 if (compare_cmd(cmdname
, cmd
->name
)) {
2686 * Parse command name from @cmdp according to command table @table.
2687 * If blank, return NULL.
2688 * Else, if no valid command can be found, report to @mon, and return
2690 * Else, change @cmdp to point right behind the name, and return its
2691 * command table entry.
2692 * Do not assume the return value points into @table! It doesn't when
2693 * the command is found in a sub-command table.
2695 static const mon_cmd_t
*monitor_parse_command(Monitor
*mon
,
2696 const char *cmdp_start
,
2701 const mon_cmd_t
*cmd
;
2704 /* extract the command name */
2705 p
= get_command_name(*cmdp
, cmdname
, sizeof(cmdname
));
2709 cmd
= search_dispatch_table(table
, cmdname
);
2711 monitor_printf(mon
, "unknown command: '%.*s'\n",
2712 (int)(p
- cmdp_start
), cmdp_start
);
2716 /* filter out following useless space */
2717 while (qemu_isspace(*p
)) {
2722 /* search sub command */
2723 if (cmd
->sub_table
!= NULL
&& *p
!= '\0') {
2724 return monitor_parse_command(mon
, cmdp_start
, cmdp
, cmd
->sub_table
);
2731 * Parse arguments for @cmd.
2732 * If it can't be parsed, report to @mon, and return NULL.
2733 * Else, insert command arguments into a QDict, and return it.
2734 * Note: On success, caller has to free the QDict structure.
2737 static QDict
*monitor_parse_arguments(Monitor
*mon
,
2739 const mon_cmd_t
*cmd
)
2741 const char *typestr
;
2744 const char *p
= *endp
;
2746 QDict
*qdict
= qdict_new();
2748 /* parse the parameters */
2749 typestr
= cmd
->args_type
;
2751 typestr
= key_get_info(typestr
, &key
);
2763 while (qemu_isspace(*p
))
2765 if (*typestr
== '?') {
2768 /* no optional string: NULL argument */
2772 ret
= get_str(buf
, sizeof(buf
), &p
);
2776 monitor_printf(mon
, "%s: filename expected\n",
2780 monitor_printf(mon
, "%s: block device name expected\n",
2784 monitor_printf(mon
, "%s: string expected\n", cmd
->name
);
2789 qdict_put_str(qdict
, key
, buf
);
2794 QemuOptsList
*opts_list
;
2797 opts_list
= qemu_find_opts(key
);
2798 if (!opts_list
|| opts_list
->desc
->name
) {
2801 while (qemu_isspace(*p
)) {
2806 if (get_str(buf
, sizeof(buf
), &p
) < 0) {
2809 opts
= qemu_opts_parse_noisily(opts_list
, buf
, true);
2813 qemu_opts_to_qdict(opts
, qdict
);
2814 qemu_opts_del(opts
);
2819 int count
, format
, size
;
2821 while (qemu_isspace(*p
))
2827 if (qemu_isdigit(*p
)) {
2829 while (qemu_isdigit(*p
)) {
2830 count
= count
* 10 + (*p
- '0');
2868 if (*p
!= '\0' && !qemu_isspace(*p
)) {
2869 monitor_printf(mon
, "invalid char in format: '%c'\n",
2874 format
= default_fmt_format
;
2875 if (format
!= 'i') {
2876 /* for 'i', not specifying a size gives -1 as size */
2878 size
= default_fmt_size
;
2879 default_fmt_size
= size
;
2881 default_fmt_format
= format
;
2884 format
= default_fmt_format
;
2885 if (format
!= 'i') {
2886 size
= default_fmt_size
;
2891 qdict_put_int(qdict
, "count", count
);
2892 qdict_put_int(qdict
, "format", format
);
2893 qdict_put_int(qdict
, "size", size
);
2902 while (qemu_isspace(*p
))
2904 if (*typestr
== '?' || *typestr
== '.') {
2905 if (*typestr
== '?') {
2913 while (qemu_isspace(*p
))
2922 if (get_expr(mon
, &val
, &p
))
2924 /* Check if 'i' is greater than 32-bit */
2925 if ((c
== 'i') && ((val
>> 32) & 0xffffffff)) {
2926 monitor_printf(mon
, "\'%s\' has failed: ", cmd
->name
);
2927 monitor_printf(mon
, "integer is for 32-bit values\n");
2929 } else if (c
== 'M') {
2931 monitor_printf(mon
, "enter a positive value\n");
2936 qdict_put_int(qdict
, key
, val
);
2945 while (qemu_isspace(*p
)) {
2948 if (*typestr
== '?') {
2954 ret
= qemu_strtosz_MiB(p
, &end
, &val
);
2955 if (ret
< 0 || val
> INT64_MAX
) {
2956 monitor_printf(mon
, "invalid size\n");
2959 qdict_put_int(qdict
, key
, val
);
2967 while (qemu_isspace(*p
))
2969 if (*typestr
== '?') {
2975 if (get_double(mon
, &val
, &p
) < 0) {
2978 if (p
[0] && p
[1] == 's') {
2981 val
/= 1e3
; p
+= 2; break;
2983 val
/= 1e6
; p
+= 2; break;
2985 val
/= 1e9
; p
+= 2; break;
2988 if (*p
&& !qemu_isspace(*p
)) {
2989 monitor_printf(mon
, "Unknown unit suffix\n");
2992 qdict_put(qdict
, key
, qnum_from_double(val
));
3000 while (qemu_isspace(*p
)) {
3004 while (qemu_isgraph(*p
)) {
3007 if (p
- beg
== 2 && !memcmp(beg
, "on", p
- beg
)) {
3009 } else if (p
- beg
== 3 && !memcmp(beg
, "off", p
- beg
)) {
3012 monitor_printf(mon
, "Expected 'on' or 'off'\n");
3015 qdict_put_bool(qdict
, key
, val
);
3020 const char *tmp
= p
;
3027 while (qemu_isspace(*p
))
3032 if(!is_valid_option(p
, typestr
)) {
3034 monitor_printf(mon
, "%s: unsupported option -%c\n",
3046 qdict_put_bool(qdict
, key
, true);
3053 /* package all remaining string */
3056 while (qemu_isspace(*p
)) {
3059 if (*typestr
== '?') {
3062 /* no remaining string: NULL argument */
3068 monitor_printf(mon
, "%s: string expected\n",
3072 qdict_put_str(qdict
, key
, p
);
3078 monitor_printf(mon
, "%s: unknown type '%c'\n", cmd
->name
, c
);
3084 /* check that all arguments were parsed */
3085 while (qemu_isspace(*p
))
3088 monitor_printf(mon
, "%s: extraneous characters at the end of line\n",
3101 static void handle_hmp_command(Monitor
*mon
, const char *cmdline
)
3104 const mon_cmd_t
*cmd
;
3106 trace_handle_hmp_command(mon
, cmdline
);
3108 cmd
= monitor_parse_command(mon
, cmdline
, &cmdline
, mon
->cmd_table
);
3113 qdict
= monitor_parse_arguments(mon
, &cmdline
, cmd
);
3115 monitor_printf(mon
, "Try \"help %s\" for more information\n",
3120 cmd
->cmd(mon
, qdict
);
3124 static void cmd_completion(Monitor
*mon
, const char *name
, const char *list
)
3126 const char *p
, *pstart
;
3135 p
= pstart
+ strlen(pstart
);
3137 if (len
> sizeof(cmd
) - 2)
3138 len
= sizeof(cmd
) - 2;
3139 memcpy(cmd
, pstart
, len
);
3141 if (name
[0] == '\0' || !strncmp(name
, cmd
, strlen(name
))) {
3142 readline_add_completion(mon
->rs
, cmd
);
3150 static void file_completion(Monitor
*mon
, const char *input
)
3155 char file
[1024], file_prefix
[1024];
3159 p
= strrchr(input
, '/');
3162 pstrcpy(file_prefix
, sizeof(file_prefix
), input
);
3163 pstrcpy(path
, sizeof(path
), ".");
3165 input_path_len
= p
- input
+ 1;
3166 memcpy(path
, input
, input_path_len
);
3167 if (input_path_len
> sizeof(path
) - 1)
3168 input_path_len
= sizeof(path
) - 1;
3169 path
[input_path_len
] = '\0';
3170 pstrcpy(file_prefix
, sizeof(file_prefix
), p
+ 1);
3173 ffs
= opendir(path
);
3182 if (strcmp(d
->d_name
, ".") == 0 || strcmp(d
->d_name
, "..") == 0) {
3186 if (strstart(d
->d_name
, file_prefix
, NULL
)) {
3187 memcpy(file
, input
, input_path_len
);
3188 if (input_path_len
< sizeof(file
))
3189 pstrcpy(file
+ input_path_len
, sizeof(file
) - input_path_len
,
3191 /* stat the file to find out if it's a directory.
3192 * In that case add a slash to speed up typing long paths
3194 if (stat(file
, &sb
) == 0 && S_ISDIR(sb
.st_mode
)) {
3195 pstrcat(file
, sizeof(file
), "/");
3197 readline_add_completion(mon
->rs
, file
);
3203 static const char *next_arg_type(const char *typestr
)
3205 const char *p
= strchr(typestr
, ':');
3206 return (p
!= NULL
? ++p
: typestr
);
3209 static void add_completion_option(ReadLineState
*rs
, const char *str
,
3212 if (!str
|| !option
) {
3215 if (!strncmp(option
, str
, strlen(str
))) {
3216 readline_add_completion(rs
, option
);
3220 void chardev_add_completion(ReadLineState
*rs
, int nb_args
, const char *str
)
3223 ChardevBackendInfoList
*list
, *start
;
3229 readline_set_completion_index(rs
, len
);
3231 start
= list
= qmp_query_chardev_backends(NULL
);
3233 const char *chr_name
= list
->value
->name
;
3235 if (!strncmp(chr_name
, str
, len
)) {
3236 readline_add_completion(rs
, chr_name
);
3240 qapi_free_ChardevBackendInfoList(start
);
3243 void netdev_add_completion(ReadLineState
*rs
, int nb_args
, const char *str
)
3252 readline_set_completion_index(rs
, len
);
3253 for (i
= 0; i
< NET_CLIENT_DRIVER__MAX
; i
++) {
3254 add_completion_option(rs
, str
, NetClientDriver_str(i
));
3258 void device_add_completion(ReadLineState
*rs
, int nb_args
, const char *str
)
3268 readline_set_completion_index(rs
, len
);
3269 list
= elt
= object_class_get_list(TYPE_DEVICE
, false);
3272 DeviceClass
*dc
= OBJECT_CLASS_CHECK(DeviceClass
, elt
->data
,
3274 name
= object_class_get_name(OBJECT_CLASS(dc
));
3276 if (dc
->user_creatable
3277 && !strncmp(name
, str
, len
)) {
3278 readline_add_completion(rs
, name
);
3285 void object_add_completion(ReadLineState
*rs
, int nb_args
, const char *str
)
3295 readline_set_completion_index(rs
, len
);
3296 list
= elt
= object_class_get_list(TYPE_USER_CREATABLE
, false);
3300 name
= object_class_get_name(OBJECT_CLASS(elt
->data
));
3301 if (!strncmp(name
, str
, len
) && strcmp(name
, TYPE_USER_CREATABLE
)) {
3302 readline_add_completion(rs
, name
);
3309 static void peripheral_device_del_completion(ReadLineState
*rs
,
3310 const char *str
, size_t len
)
3312 Object
*peripheral
= container_get(qdev_get_machine(), "/peripheral");
3313 GSList
*list
, *item
;
3315 list
= qdev_build_hotpluggable_device_list(peripheral
);
3320 for (item
= list
; item
; item
= g_slist_next(item
)) {
3321 DeviceState
*dev
= item
->data
;
3323 if (dev
->id
&& !strncmp(str
, dev
->id
, len
)) {
3324 readline_add_completion(rs
, dev
->id
);
3331 void chardev_remove_completion(ReadLineState
*rs
, int nb_args
, const char *str
)
3334 ChardevInfoList
*list
, *start
;
3340 readline_set_completion_index(rs
, len
);
3342 start
= list
= qmp_query_chardev(NULL
);
3344 ChardevInfo
*chr
= list
->value
;
3346 if (!strncmp(chr
->label
, str
, len
)) {
3347 readline_add_completion(rs
, chr
->label
);
3351 qapi_free_ChardevInfoList(start
);
3354 static void ringbuf_completion(ReadLineState
*rs
, const char *str
)
3357 ChardevInfoList
*list
, *start
;
3360 readline_set_completion_index(rs
, len
);
3362 start
= list
= qmp_query_chardev(NULL
);
3364 ChardevInfo
*chr_info
= list
->value
;
3366 if (!strncmp(chr_info
->label
, str
, len
)) {
3367 Chardev
*chr
= qemu_chr_find(chr_info
->label
);
3368 if (chr
&& CHARDEV_IS_RINGBUF(chr
)) {
3369 readline_add_completion(rs
, chr_info
->label
);
3374 qapi_free_ChardevInfoList(start
);
3377 void ringbuf_write_completion(ReadLineState
*rs
, int nb_args
, const char *str
)
3382 ringbuf_completion(rs
, str
);
3385 void device_del_completion(ReadLineState
*rs
, int nb_args
, const char *str
)
3394 readline_set_completion_index(rs
, len
);
3395 peripheral_device_del_completion(rs
, str
, len
);
3398 void object_del_completion(ReadLineState
*rs
, int nb_args
, const char *str
)
3400 ObjectPropertyInfoList
*list
, *start
;
3407 readline_set_completion_index(rs
, len
);
3409 start
= list
= qmp_qom_list("/objects", NULL
);
3411 ObjectPropertyInfo
*info
= list
->value
;
3413 if (!strncmp(info
->type
, "child<", 5)
3414 && !strncmp(info
->name
, str
, len
)) {
3415 readline_add_completion(rs
, info
->name
);
3419 qapi_free_ObjectPropertyInfoList(start
);
3422 void sendkey_completion(ReadLineState
*rs
, int nb_args
, const char *str
)
3431 sep
= strrchr(str
, '-');
3436 readline_set_completion_index(rs
, len
);
3437 for (i
= 0; i
< Q_KEY_CODE__MAX
; i
++) {
3438 if (!strncmp(str
, QKeyCode_str(i
), len
)) {
3439 readline_add_completion(rs
, QKeyCode_str(i
));
3444 void set_link_completion(ReadLineState
*rs
, int nb_args
, const char *str
)
3449 readline_set_completion_index(rs
, len
);
3451 NetClientState
*ncs
[MAX_QUEUE_NUM
];
3453 count
= qemu_find_net_clients_except(NULL
, ncs
,
3454 NET_CLIENT_DRIVER_NONE
,
3456 for (i
= 0; i
< MIN(count
, MAX_QUEUE_NUM
); i
++) {
3457 const char *name
= ncs
[i
]->name
;
3458 if (!strncmp(str
, name
, len
)) {
3459 readline_add_completion(rs
, name
);
3462 } else if (nb_args
== 3) {
3463 add_completion_option(rs
, str
, "on");
3464 add_completion_option(rs
, str
, "off");
3468 void netdev_del_completion(ReadLineState
*rs
, int nb_args
, const char *str
)
3471 NetClientState
*ncs
[MAX_QUEUE_NUM
];
3478 readline_set_completion_index(rs
, len
);
3479 count
= qemu_find_net_clients_except(NULL
, ncs
, NET_CLIENT_DRIVER_NIC
,
3481 for (i
= 0; i
< MIN(count
, MAX_QUEUE_NUM
); i
++) {
3483 const char *name
= ncs
[i
]->name
;
3484 if (strncmp(str
, name
, len
)) {
3487 opts
= qemu_opts_find(qemu_find_opts_err("netdev", NULL
), name
);
3489 readline_add_completion(rs
, name
);
3494 void info_trace_events_completion(ReadLineState
*rs
, int nb_args
, const char *str
)
3499 readline_set_completion_index(rs
, len
);
3501 TraceEventIter iter
;
3503 char *pattern
= g_strdup_printf("%s*", str
);
3504 trace_event_iter_init(&iter
, pattern
);
3505 while ((ev
= trace_event_iter_next(&iter
)) != NULL
) {
3506 readline_add_completion(rs
, trace_event_get_name(ev
));
3512 void trace_event_completion(ReadLineState
*rs
, int nb_args
, const char *str
)
3517 readline_set_completion_index(rs
, len
);
3519 TraceEventIter iter
;
3521 char *pattern
= g_strdup_printf("%s*", str
);
3522 trace_event_iter_init(&iter
, pattern
);
3523 while ((ev
= trace_event_iter_next(&iter
)) != NULL
) {
3524 readline_add_completion(rs
, trace_event_get_name(ev
));
3527 } else if (nb_args
== 3) {
3528 add_completion_option(rs
, str
, "on");
3529 add_completion_option(rs
, str
, "off");
3533 void watchdog_action_completion(ReadLineState
*rs
, int nb_args
, const char *str
)
3540 readline_set_completion_index(rs
, strlen(str
));
3541 for (i
= 0; i
< WATCHDOG_ACTION__MAX
; i
++) {
3542 add_completion_option(rs
, str
, WatchdogAction_str(i
));
3546 void migrate_set_capability_completion(ReadLineState
*rs
, int nb_args
,
3552 readline_set_completion_index(rs
, len
);
3555 for (i
= 0; i
< MIGRATION_CAPABILITY__MAX
; i
++) {
3556 const char *name
= MigrationCapability_str(i
);
3557 if (!strncmp(str
, name
, len
)) {
3558 readline_add_completion(rs
, name
);
3561 } else if (nb_args
== 3) {
3562 add_completion_option(rs
, str
, "on");
3563 add_completion_option(rs
, str
, "off");
3567 void migrate_set_parameter_completion(ReadLineState
*rs
, int nb_args
,
3573 readline_set_completion_index(rs
, len
);
3576 for (i
= 0; i
< MIGRATION_PARAMETER__MAX
; i
++) {
3577 const char *name
= MigrationParameter_str(i
);
3578 if (!strncmp(str
, name
, len
)) {
3579 readline_add_completion(rs
, name
);
3585 static void vm_completion(ReadLineState
*rs
, const char *str
)
3588 BlockDriverState
*bs
;
3589 BdrvNextIterator it
;
3592 readline_set_completion_index(rs
, len
);
3594 for (bs
= bdrv_first(&it
); bs
; bs
= bdrv_next(&it
)) {
3595 SnapshotInfoList
*snapshots
, *snapshot
;
3596 AioContext
*ctx
= bdrv_get_aio_context(bs
);
3599 aio_context_acquire(ctx
);
3600 if (bdrv_can_snapshot(bs
)) {
3601 ok
= bdrv_query_snapshot_info_list(bs
, &snapshots
, NULL
) == 0;
3603 aio_context_release(ctx
);
3608 snapshot
= snapshots
;
3610 char *completion
= snapshot
->value
->name
;
3611 if (!strncmp(str
, completion
, len
)) {
3612 readline_add_completion(rs
, completion
);
3614 completion
= snapshot
->value
->id
;
3615 if (!strncmp(str
, completion
, len
)) {
3616 readline_add_completion(rs
, completion
);
3618 snapshot
= snapshot
->next
;
3620 qapi_free_SnapshotInfoList(snapshots
);
3625 void delvm_completion(ReadLineState
*rs
, int nb_args
, const char *str
)
3628 vm_completion(rs
, str
);
3632 void loadvm_completion(ReadLineState
*rs
, int nb_args
, const char *str
)
3635 vm_completion(rs
, str
);
3639 static void monitor_find_completion_by_table(Monitor
*mon
,
3640 const mon_cmd_t
*cmd_table
,
3644 const char *cmdname
;
3646 const char *ptype
, *old_ptype
, *str
, *name
;
3647 const mon_cmd_t
*cmd
;
3648 BlockBackend
*blk
= NULL
;
3651 /* command completion */
3656 readline_set_completion_index(mon
->rs
, strlen(cmdname
));
3657 for (cmd
= cmd_table
; cmd
->name
!= NULL
; cmd
++) {
3658 cmd_completion(mon
, cmdname
, cmd
->name
);
3661 /* find the command */
3662 for (cmd
= cmd_table
; cmd
->name
!= NULL
; cmd
++) {
3663 if (compare_cmd(args
[0], cmd
->name
)) {
3671 if (cmd
->sub_table
) {
3672 /* do the job again */
3673 monitor_find_completion_by_table(mon
, cmd
->sub_table
,
3674 &args
[1], nb_args
- 1);
3677 if (cmd
->command_completion
) {
3678 cmd
->command_completion(mon
->rs
, nb_args
, args
[nb_args
- 1]);
3682 ptype
= next_arg_type(cmd
->args_type
);
3683 for(i
= 0; i
< nb_args
- 2; i
++) {
3684 if (*ptype
!= '\0') {
3685 ptype
= next_arg_type(ptype
);
3686 while (*ptype
== '?')
3687 ptype
= next_arg_type(ptype
);
3690 str
= args
[nb_args
- 1];
3692 while (*ptype
== '-' && old_ptype
!= ptype
) {
3694 ptype
= next_arg_type(ptype
);
3698 /* file completion */
3699 readline_set_completion_index(mon
->rs
, strlen(str
));
3700 file_completion(mon
, str
);
3703 /* block device name completion */
3704 readline_set_completion_index(mon
->rs
, strlen(str
));
3705 while ((blk
= blk_next(blk
)) != NULL
) {
3706 name
= blk_name(blk
);
3707 if (str
[0] == '\0' ||
3708 !strncmp(name
, str
, strlen(str
))) {
3709 readline_add_completion(mon
->rs
, name
);
3715 if (!strcmp(cmd
->name
, "help|?")) {
3716 monitor_find_completion_by_table(mon
, cmd_table
,
3717 &args
[1], nb_args
- 1);
3726 static void monitor_find_completion(void *opaque
,
3727 const char *cmdline
)
3729 Monitor
*mon
= opaque
;
3730 char *args
[MAX_ARGS
];
3733 /* 1. parse the cmdline */
3734 if (parse_cmdline(cmdline
, &nb_args
, args
) < 0) {
3738 /* if the line ends with a space, it means we want to complete the
3740 len
= strlen(cmdline
);
3741 if (len
> 0 && qemu_isspace(cmdline
[len
- 1])) {
3742 if (nb_args
>= MAX_ARGS
) {
3745 args
[nb_args
++] = g_strdup("");
3748 /* 2. auto complete according to args */
3749 monitor_find_completion_by_table(mon
, mon
->cmd_table
, args
, nb_args
);
3752 free_cmdline_args(args
, nb_args
);
3755 static int monitor_can_read(void *opaque
)
3757 Monitor
*mon
= opaque
;
3759 return (mon
->suspend_cnt
== 0) ? 1 : 0;
3762 static void handle_qmp_command(JSONMessageParser
*parser
, GQueue
*tokens
)
3764 QObject
*req
, *rsp
= NULL
, *id
= NULL
;
3765 QDict
*qdict
= NULL
;
3766 Monitor
*mon
= cur_mon
;
3769 req
= json_parser_parse_err(tokens
, NULL
, &err
);
3771 /* json_parser_parse_err() sucks: can fail without setting @err */
3772 error_setg(&err
, QERR_JSON_PARSING
);
3778 qdict
= qobject_to_qdict(req
);
3780 id
= qdict_get(qdict
, "id");
3782 qdict_del(qdict
, "id");
3783 } /* else will fail qmp_dispatch() */
3785 if (trace_event_get_state_backends(TRACE_HANDLE_QMP_COMMAND
)) {
3786 QString
*req_json
= qobject_to_json(req
);
3787 trace_handle_qmp_command(mon
, qstring_get_str(req_json
));
3791 rsp
= qmp_dispatch(cur_mon
->qmp
.commands
, req
);
3793 if (mon
->qmp
.commands
== &qmp_cap_negotiation_commands
) {
3794 qdict
= qdict_get_qdict(qobject_to_qdict(rsp
), "error");
3796 && !g_strcmp0(qdict_get_try_str(qdict
, "class"),
3797 QapiErrorClass_str(ERROR_CLASS_COMMAND_NOT_FOUND
))) {
3798 /* Provide a more useful error message */
3799 qdict_del(qdict
, "desc");
3800 qdict_put_str(qdict
, "desc", "Expecting capabilities negotiation"
3801 " with 'qmp_capabilities'");
3807 qdict
= qdict_new();
3808 qdict_put_obj(qdict
, "error", qmp_build_error_object(err
));
3810 rsp
= QOBJECT(qdict
);
3815 qdict_put_obj(qobject_to_qdict(rsp
), "id", id
);
3819 monitor_json_emitter(mon
, rsp
);
3823 qobject_decref(rsp
);
3824 qobject_decref(req
);
3827 static void monitor_qmp_read(void *opaque
, const uint8_t *buf
, int size
)
3829 Monitor
*old_mon
= cur_mon
;
3833 json_message_parser_feed(&cur_mon
->qmp
.parser
, (const char *) buf
, size
);
3838 static void monitor_read(void *opaque
, const uint8_t *buf
, int size
)
3840 Monitor
*old_mon
= cur_mon
;
3846 for (i
= 0; i
< size
; i
++)
3847 readline_handle_byte(cur_mon
->rs
, buf
[i
]);
3849 if (size
== 0 || buf
[size
- 1] != 0)
3850 monitor_printf(cur_mon
, "corrupted command\n");
3852 handle_hmp_command(cur_mon
, (char *)buf
);
3858 static void monitor_command_cb(void *opaque
, const char *cmdline
,
3859 void *readline_opaque
)
3861 Monitor
*mon
= opaque
;
3863 monitor_suspend(mon
);
3864 handle_hmp_command(mon
, cmdline
);
3865 monitor_resume(mon
);
3868 int monitor_suspend(Monitor
*mon
)
3876 void monitor_resume(Monitor
*mon
)
3880 if (--mon
->suspend_cnt
== 0)
3881 readline_show_prompt(mon
->rs
);
3884 static QObject
*get_qmp_greeting(void)
3886 QObject
*ver
= NULL
;
3888 qmp_marshal_query_version(NULL
, &ver
, NULL
);
3890 return qobject_from_jsonf("{'QMP': {'version': %p, 'capabilities': []}}",
3894 static void monitor_qmp_event(void *opaque
, int event
)
3897 Monitor
*mon
= opaque
;
3900 case CHR_EVENT_OPENED
:
3901 mon
->qmp
.commands
= &qmp_cap_negotiation_commands
;
3902 data
= get_qmp_greeting();
3903 monitor_json_emitter(mon
, data
);
3904 qobject_decref(data
);
3907 case CHR_EVENT_CLOSED
:
3908 json_message_parser_destroy(&mon
->qmp
.parser
);
3909 json_message_parser_init(&mon
->qmp
.parser
, handle_qmp_command
);
3911 monitor_fdsets_cleanup();
3916 static void monitor_event(void *opaque
, int event
)
3918 Monitor
*mon
= opaque
;
3921 case CHR_EVENT_MUX_IN
:
3922 qemu_mutex_lock(&mon
->out_lock
);
3924 qemu_mutex_unlock(&mon
->out_lock
);
3925 if (mon
->reset_seen
) {
3926 readline_restart(mon
->rs
);
3927 monitor_resume(mon
);
3930 mon
->suspend_cnt
= 0;
3934 case CHR_EVENT_MUX_OUT
:
3935 if (mon
->reset_seen
) {
3936 if (mon
->suspend_cnt
== 0) {
3937 monitor_printf(mon
, "\n");
3940 monitor_suspend(mon
);
3944 qemu_mutex_lock(&mon
->out_lock
);
3946 qemu_mutex_unlock(&mon
->out_lock
);
3949 case CHR_EVENT_OPENED
:
3950 monitor_printf(mon
, "QEMU %s monitor - type 'help' for more "
3951 "information\n", QEMU_VERSION
);
3952 if (!mon
->mux_out
) {
3953 readline_restart(mon
->rs
);
3954 readline_show_prompt(mon
->rs
);
3956 mon
->reset_seen
= 1;
3960 case CHR_EVENT_CLOSED
:
3962 monitor_fdsets_cleanup();
3968 compare_mon_cmd(const void *a
, const void *b
)
3970 return strcmp(((const mon_cmd_t
*)a
)->name
,
3971 ((const mon_cmd_t
*)b
)->name
);
3974 static void sortcmdlist(void)
3977 int elem_size
= sizeof(mon_cmd_t
);
3979 array_num
= sizeof(mon_cmds
)/elem_size
-1;
3980 qsort((void *)mon_cmds
, array_num
, elem_size
, compare_mon_cmd
);
3982 array_num
= sizeof(info_cmds
)/elem_size
-1;
3983 qsort((void *)info_cmds
, array_num
, elem_size
, compare_mon_cmd
);
3986 /* These functions just adapt the readline interface in a typesafe way. We
3987 * could cast function pointers but that discards compiler checks.
3989 static void GCC_FMT_ATTR(2, 3) monitor_readline_printf(void *opaque
,
3990 const char *fmt
, ...)
3994 monitor_vprintf(opaque
, fmt
, ap
);
3998 static void monitor_readline_flush(void *opaque
)
4000 monitor_flush(opaque
);
4004 * Print to current monitor if we have one, else to stderr.
4005 * TODO should return int, so callers can calculate width, but that
4006 * requires surgery to monitor_vprintf(). Left for another day.
4008 void error_vprintf(const char *fmt
, va_list ap
)
4010 if (cur_mon
&& !monitor_cur_is_qmp()) {
4011 monitor_vprintf(cur_mon
, fmt
, ap
);
4013 vfprintf(stderr
, fmt
, ap
);
4017 void error_vprintf_unless_qmp(const char *fmt
, va_list ap
)
4019 if (cur_mon
&& !monitor_cur_is_qmp()) {
4020 monitor_vprintf(cur_mon
, fmt
, ap
);
4021 } else if (!cur_mon
) {
4022 vfprintf(stderr
, fmt
, ap
);
4026 static void __attribute__((constructor
)) monitor_lock_init(void)
4028 qemu_mutex_init(&monitor_lock
);
4031 void monitor_init(Chardev
*chr
, int flags
)
4033 static int is_first_init
= 1;
4036 if (is_first_init
) {
4037 monitor_qapi_event_init();
4042 mon
= g_malloc(sizeof(*mon
));
4043 monitor_data_init(mon
);
4045 qemu_chr_fe_init(&mon
->chr
, chr
, &error_abort
);
4047 if (flags
& MONITOR_USE_READLINE
) {
4048 mon
->rs
= readline_init(monitor_readline_printf
,
4049 monitor_readline_flush
,
4051 monitor_find_completion
);
4052 monitor_read_command(mon
, 0);
4055 if (monitor_is_qmp(mon
)) {
4056 qemu_chr_fe_set_handlers(&mon
->chr
, monitor_can_read
, monitor_qmp_read
,
4057 monitor_qmp_event
, NULL
, mon
, NULL
, true);
4058 qemu_chr_fe_set_echo(&mon
->chr
, true);
4059 json_message_parser_init(&mon
->qmp
.parser
, handle_qmp_command
);
4061 qemu_chr_fe_set_handlers(&mon
->chr
, monitor_can_read
, monitor_read
,
4062 monitor_event
, NULL
, mon
, NULL
, true);
4065 qemu_mutex_lock(&monitor_lock
);
4066 QLIST_INSERT_HEAD(&mon_list
, mon
, entry
);
4067 qemu_mutex_unlock(&monitor_lock
);
4070 void monitor_cleanup(void)
4072 Monitor
*mon
, *next
;
4074 qemu_mutex_lock(&monitor_lock
);
4075 QLIST_FOREACH_SAFE(mon
, &mon_list
, entry
, next
) {
4076 QLIST_REMOVE(mon
, entry
);
4077 monitor_data_destroy(mon
);
4080 qemu_mutex_unlock(&monitor_lock
);
4083 QemuOptsList qemu_mon_opts
= {
4085 .implied_opt_name
= "chardev",
4086 .head
= QTAILQ_HEAD_INITIALIZER(qemu_mon_opts
.head
),
4090 .type
= QEMU_OPT_STRING
,
4093 .type
= QEMU_OPT_STRING
,
4096 .type
= QEMU_OPT_BOOL
,
4098 { /* end of list */ }
4103 void qmp_rtc_reset_reinjection(Error
**errp
)
4105 error_setg(errp
, QERR_FEATURE_DISABLED
, "rtc-reset-reinjection");
4108 SevInfo
*qmp_query_sev(Error
**errp
)
4110 error_setg(errp
, QERR_FEATURE_DISABLED
, "query-sev");
4115 #ifndef TARGET_S390X
4116 void qmp_dump_skeys(const char *filename
, Error
**errp
)
4118 error_setg(errp
, QERR_FEATURE_DISABLED
, "dump-skeys");
4123 GICCapabilityList
*qmp_query_gic_capabilities(Error
**errp
)
4125 error_setg(errp
, QERR_FEATURE_DISABLED
, "query-gic-capabilities");
4130 HotpluggableCPUList
*qmp_query_hotpluggable_cpus(Error
**errp
)
4132 MachineState
*ms
= MACHINE(qdev_get_machine());
4133 MachineClass
*mc
= MACHINE_GET_CLASS(ms
);
4135 if (!mc
->has_hotpluggable_cpus
) {
4136 error_setg(errp
, QERR_FEATURE_DISABLED
, "query-hotpluggable-cpus");
4140 return machine_query_hotpluggable_cpus(ms
);