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
24 #include "qemu/osdep.h"
26 #include "qemu-common.h"
29 #include "monitor/qdev.h"
31 #include "hw/i386/pc.h"
32 #include "hw/pci/pci.h"
33 #include "sysemu/watchdog.h"
34 #include "hw/loader.h"
35 #include "exec/gdbstub.h"
37 #include "net/slirp.h"
38 #include "sysemu/char.h"
39 #include "ui/qemu-spice.h"
40 #include "sysemu/sysemu.h"
41 #include "sysemu/numa.h"
42 #include "monitor/monitor.h"
43 #include "qemu/readline.h"
44 #include "ui/console.h"
46 #include "sysemu/blockdev.h"
47 #include "sysemu/block-backend.h"
48 #include "audio/audio.h"
49 #include "disas/disas.h"
50 #include "sysemu/balloon.h"
51 #include "qemu/timer.h"
52 #include "migration/migration.h"
53 #include "sysemu/kvm.h"
55 #include "sysemu/tpm.h"
56 #include "qapi/qmp/qerror.h"
57 #include "qapi/qmp/types.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"
64 #include "trace/control.h"
65 #include "monitor/hmp-target.h"
66 #ifdef CONFIG_TRACE_SIMPLE
67 #include "trace/simple.h"
69 #include "exec/memory.h"
70 #include "exec/exec-all.h"
72 #include "qmp-commands.h"
74 #include "qemu/thread.h"
75 #include "block/qapi.h"
76 #include "qapi/qmp-event.h"
77 #include "qapi-event.h"
78 #include "qmp-introspect.h"
79 #include "sysemu/block-backend.h"
80 #include "sysemu/qtest.h"
81 #include "qemu/cutils.h"
82 #include "qapi/qmp/dispatch.h"
84 #if defined(TARGET_S390X)
85 #include "hw/s390x/storage-keys.h"
92 * 'B' block device name
93 * 's' string (accept optional quote)
94 * 'S' it just appends the rest of the string (accept optional quote)
95 * 'O' option string of the form NAME=VALUE,...
96 * parsed according to QemuOptsList given by its name
97 * Example: 'device:O' uses qemu_device_opts.
98 * Restriction: only lists with empty desc are supported
99 * TODO lift the restriction
101 * 'l' target long (32 or 64 bit)
102 * 'M' Non-negative target long (32 or 64 bit), in user mode the
103 * value is multiplied by 2^20 (think Mebibyte)
104 * 'o' octets (aka bytes)
105 * user mode accepts an optional E, e, P, p, T, t, G, g, M, m,
106 * K, k suffix, which multiplies the value by 2^60 for suffixes E
107 * and e, 2^50 for suffixes P and p, 2^40 for suffixes T and t,
108 * 2^30 for suffixes G and g, 2^20 for M and m, 2^10 for K and k
110 * user mode accepts an optional ms, us, ns suffix,
111 * which divides the value by 1e3, 1e6, 1e9, respectively
112 * '/' optional gdb-like print format (like "/10x")
114 * '?' optional type (for all types, except '/')
115 * '.' other form of optional type (for 'i' and 'l')
117 * user mode accepts "on" or "off"
118 * '-' optional parameter (eg. '-f')
122 typedef struct mon_cmd_t
{
124 const char *args_type
;
127 void (*cmd
)(Monitor
*mon
, const QDict
*qdict
);
128 /* @sub_table is a list of 2nd level of commands. If it does not exist,
129 * cmd should be used. If it exists, sub_table[?].cmd should be
130 * used, and cmd of 1st level plays the role of help function.
132 struct mon_cmd_t
*sub_table
;
133 void (*command_completion
)(ReadLineState
*rs
, int nb_args
, const char *str
);
136 /* file descriptors passed via SCM_RIGHTS */
137 typedef struct mon_fd_t mon_fd_t
;
141 QLIST_ENTRY(mon_fd_t
) next
;
144 /* file descriptor associated with a file descriptor set */
145 typedef struct MonFdsetFd MonFdsetFd
;
150 QLIST_ENTRY(MonFdsetFd
) next
;
153 /* file descriptor set containing fds passed via SCM_RIGHTS */
154 typedef struct MonFdset MonFdset
;
157 QLIST_HEAD(, MonFdsetFd
) fds
;
158 QLIST_HEAD(, MonFdsetFd
) dup_fds
;
159 QLIST_ENTRY(MonFdset
) next
;
163 JSONMessageParser parser
;
165 * When a client connects, we're in capabilities negotiation mode.
166 * When command qmp_capabilities succeeds, we go into command
169 bool in_command_mode
; /* are we in command mode? */
173 * To prevent flooding clients, events can be throttled. The
174 * throttling is calculated globally, rather than per-Monitor
177 typedef struct MonitorQAPIEventState
{
178 QAPIEvent event
; /* Throttling state for this event type and... */
179 QDict
*data
; /* ... data, see qapi_event_throttle_equal() */
180 QEMUTimer
*timer
; /* Timer for handling delayed events */
181 QDict
*qdict
; /* Delayed event (if any) */
182 } MonitorQAPIEventState
;
185 int64_t rate
; /* Minimum time (in ns) between two events */
186 } MonitorQAPIEventConf
;
189 CharDriverState
*chr
;
199 /* Read under either BQL or out_lock, written with BQL+out_lock. */
205 BlockCompletionFunc
*password_completion_cb
;
206 void *password_opaque
;
207 mon_cmd_t
*cmd_table
;
208 QLIST_HEAD(,mon_fd_t
) fds
;
209 QLIST_ENTRY(Monitor
) entry
;
212 /* QMP checker flags */
213 #define QMP_ACCEPT_UNKNOWNS 1
215 /* Protects mon_list, monitor_event_state. */
216 static QemuMutex monitor_lock
;
218 static QLIST_HEAD(mon_list
, Monitor
) mon_list
;
219 static QLIST_HEAD(mon_fdsets
, MonFdset
) mon_fdsets
;
220 static int mon_refcount
;
222 static mon_cmd_t mon_cmds
[];
223 static mon_cmd_t info_cmds
[];
227 static QEMUClockType event_clock_type
= QEMU_CLOCK_REALTIME
;
229 static void monitor_command_cb(void *opaque
, const char *cmdline
,
230 void *readline_opaque
);
233 * Is @mon a QMP monitor?
235 static inline bool monitor_is_qmp(const Monitor
*mon
)
237 return (mon
->flags
& MONITOR_USE_CONTROL
);
241 * Is the current monitor, if any, a QMP monitor?
243 bool monitor_cur_is_qmp(void)
245 return cur_mon
&& monitor_is_qmp(cur_mon
);
248 void monitor_read_command(Monitor
*mon
, int show_prompt
)
253 readline_start(mon
->rs
, "(qemu) ", 0, monitor_command_cb
, NULL
);
255 readline_show_prompt(mon
->rs
);
258 int monitor_read_password(Monitor
*mon
, ReadLineFunc
*readline_func
,
262 readline_start(mon
->rs
, "Password: ", 1, readline_func
, opaque
);
263 /* prompt is printed on return from the command handler */
266 monitor_printf(mon
, "terminal does not support password prompting\n");
271 static void monitor_flush_locked(Monitor
*mon
);
273 static gboolean
monitor_unblocked(GIOChannel
*chan
, GIOCondition cond
,
276 Monitor
*mon
= opaque
;
278 qemu_mutex_lock(&mon
->out_lock
);
280 monitor_flush_locked(mon
);
281 qemu_mutex_unlock(&mon
->out_lock
);
285 /* Called with mon->out_lock held. */
286 static void monitor_flush_locked(Monitor
*mon
)
292 if (mon
->skip_flush
) {
296 buf
= qstring_get_str(mon
->outbuf
);
297 len
= qstring_get_length(mon
->outbuf
);
299 if (len
&& !mon
->mux_out
) {
300 rc
= qemu_chr_fe_write(mon
->chr
, (const uint8_t *) buf
, len
);
301 if ((rc
< 0 && errno
!= EAGAIN
) || (rc
== len
)) {
302 /* all flushed or error */
303 QDECREF(mon
->outbuf
);
304 mon
->outbuf
= qstring_new();
309 QString
*tmp
= qstring_from_str(buf
+ rc
);
310 QDECREF(mon
->outbuf
);
313 if (mon
->out_watch
== 0) {
314 mon
->out_watch
= qemu_chr_fe_add_watch(mon
->chr
, G_IO_OUT
|G_IO_HUP
,
315 monitor_unblocked
, mon
);
320 void monitor_flush(Monitor
*mon
)
322 qemu_mutex_lock(&mon
->out_lock
);
323 monitor_flush_locked(mon
);
324 qemu_mutex_unlock(&mon
->out_lock
);
327 /* flush at every end of line */
328 static void monitor_puts(Monitor
*mon
, const char *str
)
332 qemu_mutex_lock(&mon
->out_lock
);
338 qstring_append_chr(mon
->outbuf
, '\r');
340 qstring_append_chr(mon
->outbuf
, c
);
342 monitor_flush_locked(mon
);
345 qemu_mutex_unlock(&mon
->out_lock
);
348 void monitor_vprintf(Monitor
*mon
, const char *fmt
, va_list ap
)
355 if (monitor_is_qmp(mon
)) {
359 buf
= g_strdup_vprintf(fmt
, ap
);
360 monitor_puts(mon
, buf
);
364 void monitor_printf(Monitor
*mon
, const char *fmt
, ...)
368 monitor_vprintf(mon
, fmt
, ap
);
372 int monitor_fprintf(FILE *stream
, const char *fmt
, ...)
376 monitor_vprintf((Monitor
*)stream
, fmt
, ap
);
381 static void monitor_json_emitter(Monitor
*mon
, const QObject
*data
)
385 json
= mon
->flags
& MONITOR_USE_PRETTY
? qobject_to_json_pretty(data
) :
386 qobject_to_json(data
);
387 assert(json
!= NULL
);
389 qstring_append_chr(json
, '\n');
390 monitor_puts(mon
, qstring_get_str(json
));
395 static MonitorQAPIEventConf monitor_qapi_event_conf
[QAPI_EVENT__MAX
] = {
396 /* Limit guest-triggerable events to 1 per second */
397 [QAPI_EVENT_RTC_CHANGE
] = { 1000 * SCALE_MS
},
398 [QAPI_EVENT_WATCHDOG
] = { 1000 * SCALE_MS
},
399 [QAPI_EVENT_BALLOON_CHANGE
] = { 1000 * SCALE_MS
},
400 [QAPI_EVENT_QUORUM_REPORT_BAD
] = { 1000 * SCALE_MS
},
401 [QAPI_EVENT_QUORUM_FAILURE
] = { 1000 * SCALE_MS
},
402 [QAPI_EVENT_VSERPORT_CHANGE
] = { 1000 * SCALE_MS
},
405 GHashTable
*monitor_qapi_event_state
;
408 * Emits the event to every monitor instance, @event is only used for trace
409 * Called with monitor_lock held.
411 static void monitor_qapi_event_emit(QAPIEvent event
, QDict
*qdict
)
415 trace_monitor_protocol_event_emit(event
, qdict
);
416 QLIST_FOREACH(mon
, &mon_list
, entry
) {
417 if (monitor_is_qmp(mon
) && mon
->qmp
.in_command_mode
) {
418 monitor_json_emitter(mon
, QOBJECT(qdict
));
423 static void monitor_qapi_event_handler(void *opaque
);
426 * Queue a new event for emission to Monitor instances,
427 * applying any rate limiting if required.
430 monitor_qapi_event_queue(QAPIEvent event
, QDict
*qdict
, Error
**errp
)
432 MonitorQAPIEventConf
*evconf
;
433 MonitorQAPIEventState
*evstate
;
435 assert(event
< QAPI_EVENT__MAX
);
436 evconf
= &monitor_qapi_event_conf
[event
];
437 trace_monitor_protocol_event_queue(event
, qdict
, evconf
->rate
);
439 qemu_mutex_lock(&monitor_lock
);
442 /* Unthrottled event */
443 monitor_qapi_event_emit(event
, qdict
);
445 QDict
*data
= qobject_to_qdict(qdict_get(qdict
, "data"));
446 MonitorQAPIEventState key
= { .event
= event
, .data
= data
};
448 evstate
= g_hash_table_lookup(monitor_qapi_event_state
, &key
);
449 assert(!evstate
|| timer_pending(evstate
->timer
));
453 * Timer is pending for (at least) evconf->rate ns after
454 * last send. Store event for sending when timer fires,
455 * replacing a prior stored event if any.
457 QDECREF(evstate
->qdict
);
458 evstate
->qdict
= qdict
;
459 QINCREF(evstate
->qdict
);
462 * Last send was (at least) evconf->rate ns ago.
463 * Send immediately, and arm the timer to call
464 * monitor_qapi_event_handler() in evconf->rate ns. Any
465 * events arriving before then will be delayed until then.
467 int64_t now
= qemu_clock_get_ns(event_clock_type
);
469 monitor_qapi_event_emit(event
, qdict
);
471 evstate
= g_new(MonitorQAPIEventState
, 1);
472 evstate
->event
= event
;
473 evstate
->data
= data
;
474 QINCREF(evstate
->data
);
475 evstate
->qdict
= NULL
;
476 evstate
->timer
= timer_new_ns(event_clock_type
,
477 monitor_qapi_event_handler
,
479 g_hash_table_add(monitor_qapi_event_state
, evstate
);
480 timer_mod_ns(evstate
->timer
, now
+ evconf
->rate
);
484 qemu_mutex_unlock(&monitor_lock
);
488 * This function runs evconf->rate ns after sending a throttled
490 * If another event has since been stored, send it.
492 static void monitor_qapi_event_handler(void *opaque
)
494 MonitorQAPIEventState
*evstate
= opaque
;
495 MonitorQAPIEventConf
*evconf
= &monitor_qapi_event_conf
[evstate
->event
];
497 trace_monitor_protocol_event_handler(evstate
->event
, evstate
->qdict
);
498 qemu_mutex_lock(&monitor_lock
);
500 if (evstate
->qdict
) {
501 int64_t now
= qemu_clock_get_ns(event_clock_type
);
503 monitor_qapi_event_emit(evstate
->event
, evstate
->qdict
);
504 QDECREF(evstate
->qdict
);
505 evstate
->qdict
= NULL
;
506 timer_mod_ns(evstate
->timer
, now
+ evconf
->rate
);
508 g_hash_table_remove(monitor_qapi_event_state
, evstate
);
509 QDECREF(evstate
->data
);
510 timer_free(evstate
->timer
);
514 qemu_mutex_unlock(&monitor_lock
);
517 static unsigned int qapi_event_throttle_hash(const void *key
)
519 const MonitorQAPIEventState
*evstate
= key
;
520 unsigned int hash
= evstate
->event
* 255;
522 if (evstate
->event
== QAPI_EVENT_VSERPORT_CHANGE
) {
523 hash
+= g_str_hash(qdict_get_str(evstate
->data
, "id"));
526 if (evstate
->event
== QAPI_EVENT_QUORUM_REPORT_BAD
) {
527 hash
+= g_str_hash(qdict_get_str(evstate
->data
, "node-name"));
533 static gboolean
qapi_event_throttle_equal(const void *a
, const void *b
)
535 const MonitorQAPIEventState
*eva
= a
;
536 const MonitorQAPIEventState
*evb
= b
;
538 if (eva
->event
!= evb
->event
) {
542 if (eva
->event
== QAPI_EVENT_VSERPORT_CHANGE
) {
543 return !strcmp(qdict_get_str(eva
->data
, "id"),
544 qdict_get_str(evb
->data
, "id"));
547 if (eva
->event
== QAPI_EVENT_QUORUM_REPORT_BAD
) {
548 return !strcmp(qdict_get_str(eva
->data
, "node-name"),
549 qdict_get_str(evb
->data
, "node-name"));
555 static void monitor_qapi_event_init(void)
557 if (qtest_enabled()) {
558 event_clock_type
= QEMU_CLOCK_VIRTUAL
;
561 monitor_qapi_event_state
= g_hash_table_new(qapi_event_throttle_hash
,
562 qapi_event_throttle_equal
);
563 qmp_event_set_func_emit(monitor_qapi_event_queue
);
566 void qmp_qmp_capabilities(Error
**errp
)
568 cur_mon
->qmp
.in_command_mode
= true;
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
)
585 qemu_chr_add_handlers(mon
->chr
, NULL
, NULL
, NULL
, NULL
);
587 if (monitor_is_qmp(mon
)) {
588 json_message_parser_destroy(&mon
->qmp
.parser
);
591 QDECREF(mon
->outbuf
);
592 qemu_mutex_destroy(&mon
->out_lock
);
595 char *qmp_human_monitor_command(const char *command_line
, bool has_cpu_index
,
596 int64_t cpu_index
, Error
**errp
)
599 Monitor
*old_mon
, hmp
;
601 monitor_data_init(&hmp
);
602 hmp
.skip_flush
= true;
608 int ret
= monitor_set_cpu(cpu_index
);
611 error_setg(errp
, QERR_INVALID_PARAMETER_VALUE
, "cpu-index",
617 handle_hmp_command(&hmp
, command_line
);
620 qemu_mutex_lock(&hmp
.out_lock
);
621 if (qstring_get_length(hmp
.outbuf
) > 0) {
622 output
= g_strdup(qstring_get_str(hmp
.outbuf
));
624 output
= g_strdup("");
626 qemu_mutex_unlock(&hmp
.out_lock
);
629 monitor_data_destroy(&hmp
);
633 static int compare_cmd(const char *name
, const char *list
)
635 const char *p
, *pstart
;
643 p
= pstart
+ strlen(pstart
);
644 if ((p
- pstart
) == len
&& !memcmp(pstart
, name
, len
))
653 static int get_str(char *buf
, int buf_size
, const char **pp
)
661 while (qemu_isspace(*p
)) {
672 while (*p
!= '\0' && *p
!= '\"') {
688 printf("unsupported escape code: '\\%c'\n", c
);
691 if ((q
- buf
) < buf_size
- 1) {
695 if ((q
- buf
) < buf_size
- 1) {
702 printf("unterminated string\n");
707 while (*p
!= '\0' && !qemu_isspace(*p
)) {
708 if ((q
- buf
) < buf_size
- 1) {
721 static void free_cmdline_args(char **args
, int nb_args
)
725 assert(nb_args
<= MAX_ARGS
);
727 for (i
= 0; i
< nb_args
; i
++) {
734 * Parse the command line to get valid args.
735 * @cmdline: command line to be parsed.
736 * @pnb_args: location to store the number of args, must NOT be NULL.
737 * @args: location to store the args, which should be freed by caller, must
740 * Returns 0 on success, negative on failure.
742 * NOTE: this parser is an approximate form of the real command parser. Number
743 * of args have a limit of MAX_ARGS. If cmdline contains more, it will
744 * return with failure.
746 static int parse_cmdline(const char *cmdline
,
747 int *pnb_args
, char **args
)
756 while (qemu_isspace(*p
)) {
762 if (nb_args
>= MAX_ARGS
) {
765 ret
= get_str(buf
, sizeof(buf
), &p
);
769 args
[nb_args
] = g_strdup(buf
);
776 free_cmdline_args(args
, nb_args
);
780 static void help_cmd_dump_one(Monitor
*mon
,
781 const mon_cmd_t
*cmd
,
787 for (i
= 0; i
< prefix_args_nb
; i
++) {
788 monitor_printf(mon
, "%s ", prefix_args
[i
]);
790 monitor_printf(mon
, "%s %s -- %s\n", cmd
->name
, cmd
->params
, cmd
->help
);
793 /* @args[@arg_index] is the valid command need to find in @cmds */
794 static void help_cmd_dump(Monitor
*mon
, const mon_cmd_t
*cmds
,
795 char **args
, int nb_args
, int arg_index
)
797 const mon_cmd_t
*cmd
;
799 /* No valid arg need to compare with, dump all in *cmds */
800 if (arg_index
>= nb_args
) {
801 for (cmd
= cmds
; cmd
->name
!= NULL
; cmd
++) {
802 help_cmd_dump_one(mon
, cmd
, args
, arg_index
);
807 /* Find one entry to dump */
808 for (cmd
= cmds
; cmd
->name
!= NULL
; cmd
++) {
809 if (compare_cmd(args
[arg_index
], cmd
->name
)) {
810 if (cmd
->sub_table
) {
811 /* continue with next arg */
812 help_cmd_dump(mon
, cmd
->sub_table
,
813 args
, nb_args
, arg_index
+ 1);
815 help_cmd_dump_one(mon
, cmd
, args
, arg_index
);
822 static void help_cmd(Monitor
*mon
, const char *name
)
824 char *args
[MAX_ARGS
];
827 /* 1. parse user input */
829 /* special case for log, directly dump and return */
830 if (!strcmp(name
, "log")) {
831 const QEMULogItem
*item
;
832 monitor_printf(mon
, "Log items (comma separated):\n");
833 monitor_printf(mon
, "%-10s %s\n", "none", "remove all logs");
834 for (item
= qemu_log_items
; item
->mask
!= 0; item
++) {
835 monitor_printf(mon
, "%-10s %s\n", item
->name
, item
->help
);
840 if (parse_cmdline(name
, &nb_args
, args
) < 0) {
845 /* 2. dump the contents according to parsed args */
846 help_cmd_dump(mon
, mon
->cmd_table
, args
, nb_args
, 0);
848 free_cmdline_args(args
, nb_args
);
851 static void do_help_cmd(Monitor
*mon
, const QDict
*qdict
)
853 help_cmd(mon
, qdict_get_try_str(qdict
, "name"));
856 static void hmp_trace_event(Monitor
*mon
, const QDict
*qdict
)
858 const char *tp_name
= qdict_get_str(qdict
, "name");
859 bool new_state
= qdict_get_bool(qdict
, "option");
860 bool has_vcpu
= qdict_haskey(qdict
, "vcpu");
861 int vcpu
= qdict_get_try_int(qdict
, "vcpu", 0);
862 Error
*local_err
= NULL
;
865 monitor_printf(mon
, "argument vcpu must be positive");
869 qmp_trace_event_set_state(tp_name
, new_state
, true, true, has_vcpu
, vcpu
, &local_err
);
871 error_report_err(local_err
);
875 #ifdef CONFIG_TRACE_SIMPLE
876 static void hmp_trace_file(Monitor
*mon
, const QDict
*qdict
)
878 const char *op
= qdict_get_try_str(qdict
, "op");
879 const char *arg
= qdict_get_try_str(qdict
, "arg");
882 st_print_trace_file_status((FILE *)mon
, &monitor_fprintf
);
883 } else if (!strcmp(op
, "on")) {
884 st_set_trace_file_enabled(true);
885 } else if (!strcmp(op
, "off")) {
886 st_set_trace_file_enabled(false);
887 } else if (!strcmp(op
, "flush")) {
888 st_flush_trace_buffer();
889 } else if (!strcmp(op
, "set")) {
891 st_set_trace_file(arg
);
894 monitor_printf(mon
, "unexpected argument \"%s\"\n", op
);
895 help_cmd(mon
, "trace-file");
900 static void hmp_info_help(Monitor
*mon
, const QDict
*qdict
)
902 help_cmd(mon
, "info");
905 static void query_commands_cb(QmpCommand
*cmd
, void *opaque
)
907 CommandInfoList
*info
, **list
= opaque
;
913 info
= g_malloc0(sizeof(*info
));
914 info
->value
= g_malloc0(sizeof(*info
->value
));
915 info
->value
->name
= g_strdup(cmd
->name
);
920 CommandInfoList
*qmp_query_commands(Error
**errp
)
922 CommandInfoList
*list
= NULL
;
924 qmp_for_each_command(query_commands_cb
, &list
);
929 EventInfoList
*qmp_query_events(Error
**errp
)
931 EventInfoList
*info
, *ev_list
= NULL
;
934 for (e
= 0 ; e
< QAPI_EVENT__MAX
; e
++) {
935 const char *event_name
= QAPIEvent_lookup
[e
];
936 assert(event_name
!= NULL
);
937 info
= g_malloc0(sizeof(*info
));
938 info
->value
= g_malloc0(sizeof(*info
->value
));
939 info
->value
->name
= g_strdup(event_name
);
941 info
->next
= ev_list
;
949 * Minor hack: generated marshalling suppressed for this command
950 * ('gen': false in the schema) so we can parse the JSON string
951 * directly into QObject instead of first parsing it with
952 * visit_type_SchemaInfoList() into a SchemaInfoList, then marshal it
953 * to QObject with generated output marshallers, every time. Instead,
954 * we do it in test-qmp-input-visitor.c, just to make sure
955 * qapi-introspect.py's output actually conforms to the schema.
957 static void qmp_query_qmp_schema(QDict
*qdict
, QObject
**ret_data
,
960 *ret_data
= qobject_from_json(qmp_schema_json
);
964 * We used to define commands in qmp-commands.hx in addition to the
965 * QAPI schema. This permitted defining some of them only in certain
966 * configurations. query-commands has always reflected that (good,
967 * because it lets QMP clients figure out what's actually available),
968 * while query-qmp-schema never did (not so good). This function is a
969 * hack to keep the configuration-specific commands defined exactly as
970 * before, even though qmp-commands.hx is gone.
972 * FIXME Educate the QAPI schema on configuration-specific commands,
973 * and drop this hack.
975 static void qmp_unregister_commands_hack(void)
978 qmp_unregister_command("query-spice");
981 qmp_unregister_command("rtc-reset-reinjection");
984 qmp_unregister_command("dump-skeys");
987 qmp_unregister_command("query-gic-capabilities");
991 static void qmp_init_marshal(void)
993 qmp_register_command("query-qmp-schema", qmp_query_qmp_schema
,
995 qmp_register_command("device_add", qmp_device_add
,
997 qmp_register_command("netdev_add", qmp_netdev_add
,
1000 /* call it after the rest of qapi_init() */
1001 register_module_init(qmp_unregister_commands_hack
, MODULE_INIT_QAPI
);
1004 qapi_init(qmp_init_marshal
);
1006 /* set the current CPU defined by the user */
1007 int monitor_set_cpu(int cpu_index
)
1011 cpu
= qemu_get_cpu(cpu_index
);
1015 cur_mon
->mon_cpu
= cpu
;
1019 CPUState
*mon_get_cpu(void)
1021 if (!cur_mon
->mon_cpu
) {
1022 monitor_set_cpu(first_cpu
->cpu_index
);
1024 cpu_synchronize_state(cur_mon
->mon_cpu
);
1025 return cur_mon
->mon_cpu
;
1028 CPUArchState
*mon_get_cpu_env(void)
1030 return mon_get_cpu()->env_ptr
;
1033 int monitor_get_cpu_index(void)
1035 return mon_get_cpu()->cpu_index
;
1038 static void hmp_info_registers(Monitor
*mon
, const QDict
*qdict
)
1040 cpu_dump_state(mon_get_cpu(), (FILE *)mon
, monitor_fprintf
, CPU_DUMP_FPU
);
1043 static void hmp_info_jit(Monitor
*mon
, const QDict
*qdict
)
1045 dump_exec_info((FILE *)mon
, monitor_fprintf
);
1046 dump_drift_info((FILE *)mon
, monitor_fprintf
);
1049 static void hmp_info_opcount(Monitor
*mon
, const QDict
*qdict
)
1051 dump_opcount_info((FILE *)mon
, monitor_fprintf
);
1054 static void hmp_info_history(Monitor
*mon
, const QDict
*qdict
)
1063 str
= readline_get_history(mon
->rs
, i
);
1066 monitor_printf(mon
, "%d: '%s'\n", i
, str
);
1071 static void hmp_info_cpustats(Monitor
*mon
, const QDict
*qdict
)
1073 cpu_dump_statistics(mon_get_cpu(), (FILE *)mon
, &monitor_fprintf
, 0);
1076 static void hmp_info_trace_events(Monitor
*mon
, const QDict
*qdict
)
1078 const char *name
= qdict_get_try_str(qdict
, "name");
1079 bool has_vcpu
= qdict_haskey(qdict
, "vcpu");
1080 int vcpu
= qdict_get_try_int(qdict
, "vcpu", 0);
1081 TraceEventInfoList
*events
;
1082 TraceEventInfoList
*elem
;
1083 Error
*local_err
= NULL
;
1089 monitor_printf(mon
, "argument vcpu must be positive");
1093 events
= qmp_trace_event_get_state(name
, has_vcpu
, vcpu
, &local_err
);
1095 error_report_err(local_err
);
1099 for (elem
= events
; elem
!= NULL
; elem
= elem
->next
) {
1100 monitor_printf(mon
, "%s : state %u\n",
1102 elem
->value
->state
== TRACE_EVENT_STATE_ENABLED
? 1 : 0);
1104 qapi_free_TraceEventInfoList(events
);
1107 void qmp_client_migrate_info(const char *protocol
, const char *hostname
,
1108 bool has_port
, int64_t port
,
1109 bool has_tls_port
, int64_t tls_port
,
1110 bool has_cert_subject
, const char *cert_subject
,
1113 if (strcmp(protocol
, "spice") == 0) {
1114 if (!qemu_using_spice(errp
)) {
1118 if (!has_port
&& !has_tls_port
) {
1119 error_setg(errp
, QERR_MISSING_PARAMETER
, "port/tls-port");
1123 if (qemu_spice_migrate_info(hostname
,
1124 has_port
? port
: -1,
1125 has_tls_port
? tls_port
: -1,
1127 error_setg(errp
, QERR_UNDEFINED_ERROR
);
1133 error_setg(errp
, QERR_INVALID_PARAMETER_VALUE
, "protocol", "spice");
1136 static void hmp_logfile(Monitor
*mon
, const QDict
*qdict
)
1140 qemu_set_log_filename(qdict_get_str(qdict
, "filename"), &err
);
1142 error_report_err(err
);
1146 static void hmp_log(Monitor
*mon
, const QDict
*qdict
)
1149 const char *items
= qdict_get_str(qdict
, "items");
1151 if (!strcmp(items
, "none")) {
1154 mask
= qemu_str_to_log_mask(items
);
1156 help_cmd(mon
, "log");
1163 static void hmp_singlestep(Monitor
*mon
, const QDict
*qdict
)
1165 const char *option
= qdict_get_try_str(qdict
, "option");
1166 if (!option
|| !strcmp(option
, "on")) {
1168 } else if (!strcmp(option
, "off")) {
1171 monitor_printf(mon
, "unexpected option %s\n", option
);
1175 static void hmp_gdbserver(Monitor
*mon
, const QDict
*qdict
)
1177 const char *device
= qdict_get_try_str(qdict
, "device");
1179 device
= "tcp::" DEFAULT_GDBSTUB_PORT
;
1180 if (gdbserver_start(device
) < 0) {
1181 monitor_printf(mon
, "Could not open gdbserver on device '%s'\n",
1183 } else if (strcmp(device
, "none") == 0) {
1184 monitor_printf(mon
, "Disabled gdbserver\n");
1186 monitor_printf(mon
, "Waiting for gdb connection on device '%s'\n",
1191 static void hmp_watchdog_action(Monitor
*mon
, const QDict
*qdict
)
1193 const char *action
= qdict_get_str(qdict
, "action");
1194 if (select_watchdog_action(action
) == -1) {
1195 monitor_printf(mon
, "Unknown watchdog action '%s'\n", action
);
1199 static void monitor_printc(Monitor
*mon
, int c
)
1201 monitor_printf(mon
, "'");
1204 monitor_printf(mon
, "\\'");
1207 monitor_printf(mon
, "\\\\");
1210 monitor_printf(mon
, "\\n");
1213 monitor_printf(mon
, "\\r");
1216 if (c
>= 32 && c
<= 126) {
1217 monitor_printf(mon
, "%c", c
);
1219 monitor_printf(mon
, "\\x%02x", c
);
1223 monitor_printf(mon
, "'");
1226 static void memory_dump(Monitor
*mon
, int count
, int format
, int wsize
,
1227 hwaddr addr
, int is_physical
)
1229 int l
, line_size
, i
, max_digits
, len
;
1233 if (format
== 'i') {
1236 CPUArchState
*env
= mon_get_cpu_env();
1239 } else if (wsize
== 4) {
1242 /* as default we use the current CS size */
1245 #ifdef TARGET_X86_64
1246 if ((env
->efer
& MSR_EFER_LMA
) &&
1247 (env
->segs
[R_CS
].flags
& DESC_L_MASK
))
1251 if (!(env
->segs
[R_CS
].flags
& DESC_B_MASK
))
1257 CPUArchState
*env
= mon_get_cpu_env();
1258 flags
= msr_le
<< 16;
1259 flags
|= env
->bfd_mach
;
1261 monitor_disas(mon
, mon_get_cpu(), addr
, count
, is_physical
, flags
);
1265 len
= wsize
* count
;
1274 max_digits
= (wsize
* 8 + 2) / 3;
1278 max_digits
= (wsize
* 8) / 4;
1282 max_digits
= (wsize
* 8 * 10 + 32) / 33;
1291 monitor_printf(mon
, TARGET_FMT_plx
":", addr
);
1293 monitor_printf(mon
, TARGET_FMT_lx
":", (target_ulong
)addr
);
1298 cpu_physical_memory_read(addr
, buf
, l
);
1300 if (cpu_memory_rw_debug(mon_get_cpu(), addr
, buf
, l
, 0) < 0) {
1301 monitor_printf(mon
, " Cannot access memory\n");
1310 v
= ldub_p(buf
+ i
);
1313 v
= lduw_p(buf
+ i
);
1316 v
= (uint32_t)ldl_p(buf
+ i
);
1322 monitor_printf(mon
, " ");
1325 monitor_printf(mon
, "%#*" PRIo64
, max_digits
, v
);
1328 monitor_printf(mon
, "0x%0*" PRIx64
, max_digits
, v
);
1331 monitor_printf(mon
, "%*" PRIu64
, max_digits
, v
);
1334 monitor_printf(mon
, "%*" PRId64
, max_digits
, v
);
1337 monitor_printc(mon
, v
);
1342 monitor_printf(mon
, "\n");
1348 static void hmp_memory_dump(Monitor
*mon
, const QDict
*qdict
)
1350 int count
= qdict_get_int(qdict
, "count");
1351 int format
= qdict_get_int(qdict
, "format");
1352 int size
= qdict_get_int(qdict
, "size");
1353 target_long addr
= qdict_get_int(qdict
, "addr");
1355 memory_dump(mon
, count
, format
, size
, addr
, 0);
1358 static void hmp_physical_memory_dump(Monitor
*mon
, const QDict
*qdict
)
1360 int count
= qdict_get_int(qdict
, "count");
1361 int format
= qdict_get_int(qdict
, "format");
1362 int size
= qdict_get_int(qdict
, "size");
1363 hwaddr addr
= qdict_get_int(qdict
, "addr");
1365 memory_dump(mon
, count
, format
, size
, addr
, 1);
1368 static void do_print(Monitor
*mon
, const QDict
*qdict
)
1370 int format
= qdict_get_int(qdict
, "format");
1371 hwaddr val
= qdict_get_int(qdict
, "val");
1375 monitor_printf(mon
, "%#" HWADDR_PRIo
, val
);
1378 monitor_printf(mon
, "%#" HWADDR_PRIx
, val
);
1381 monitor_printf(mon
, "%" HWADDR_PRIu
, val
);
1385 monitor_printf(mon
, "%" HWADDR_PRId
, val
);
1388 monitor_printc(mon
, val
);
1391 monitor_printf(mon
, "\n");
1394 static void hmp_sum(Monitor
*mon
, const QDict
*qdict
)
1398 uint32_t start
= qdict_get_int(qdict
, "start");
1399 uint32_t size
= qdict_get_int(qdict
, "size");
1402 for(addr
= start
; addr
< (start
+ size
); addr
++) {
1403 uint8_t val
= address_space_ldub(&address_space_memory
, addr
,
1404 MEMTXATTRS_UNSPECIFIED
, NULL
);
1405 /* BSD sum algorithm ('sum' Unix command) */
1406 sum
= (sum
>> 1) | (sum
<< 15);
1409 monitor_printf(mon
, "%05d\n", sum
);
1412 static int mouse_button_state
;
1414 static void hmp_mouse_move(Monitor
*mon
, const QDict
*qdict
)
1416 int dx
, dy
, dz
, button
;
1417 const char *dx_str
= qdict_get_str(qdict
, "dx_str");
1418 const char *dy_str
= qdict_get_str(qdict
, "dy_str");
1419 const char *dz_str
= qdict_get_try_str(qdict
, "dz_str");
1421 dx
= strtol(dx_str
, NULL
, 0);
1422 dy
= strtol(dy_str
, NULL
, 0);
1423 qemu_input_queue_rel(NULL
, INPUT_AXIS_X
, dx
);
1424 qemu_input_queue_rel(NULL
, INPUT_AXIS_Y
, dy
);
1427 dz
= strtol(dz_str
, NULL
, 0);
1429 button
= (dz
> 0) ? INPUT_BUTTON_WHEEL_UP
: INPUT_BUTTON_WHEEL_DOWN
;
1430 qemu_input_queue_btn(NULL
, button
, true);
1431 qemu_input_event_sync();
1432 qemu_input_queue_btn(NULL
, button
, false);
1435 qemu_input_event_sync();
1438 static void hmp_mouse_button(Monitor
*mon
, const QDict
*qdict
)
1440 static uint32_t bmap
[INPUT_BUTTON__MAX
] = {
1441 [INPUT_BUTTON_LEFT
] = MOUSE_EVENT_LBUTTON
,
1442 [INPUT_BUTTON_MIDDLE
] = MOUSE_EVENT_MBUTTON
,
1443 [INPUT_BUTTON_RIGHT
] = MOUSE_EVENT_RBUTTON
,
1445 int button_state
= qdict_get_int(qdict
, "button_state");
1447 if (mouse_button_state
== button_state
) {
1450 qemu_input_update_buttons(NULL
, bmap
, mouse_button_state
, button_state
);
1451 qemu_input_event_sync();
1452 mouse_button_state
= button_state
;
1455 static void hmp_ioport_read(Monitor
*mon
, const QDict
*qdict
)
1457 int size
= qdict_get_int(qdict
, "size");
1458 int addr
= qdict_get_int(qdict
, "addr");
1459 int has_index
= qdict_haskey(qdict
, "index");
1464 int index
= qdict_get_int(qdict
, "index");
1465 cpu_outb(addr
& IOPORTS_MASK
, index
& 0xff);
1473 val
= cpu_inb(addr
);
1477 val
= cpu_inw(addr
);
1481 val
= cpu_inl(addr
);
1485 monitor_printf(mon
, "port%c[0x%04x] = %#0*x\n",
1486 suffix
, addr
, size
* 2, val
);
1489 static void hmp_ioport_write(Monitor
*mon
, const QDict
*qdict
)
1491 int size
= qdict_get_int(qdict
, "size");
1492 int addr
= qdict_get_int(qdict
, "addr");
1493 int val
= qdict_get_int(qdict
, "val");
1495 addr
&= IOPORTS_MASK
;
1500 cpu_outb(addr
, val
);
1503 cpu_outw(addr
, val
);
1506 cpu_outl(addr
, val
);
1511 static void hmp_boot_set(Monitor
*mon
, const QDict
*qdict
)
1513 Error
*local_err
= NULL
;
1514 const char *bootdevice
= qdict_get_str(qdict
, "bootdevice");
1516 qemu_boot_set(bootdevice
, &local_err
);
1518 error_report_err(local_err
);
1520 monitor_printf(mon
, "boot device list now set to %s\n", bootdevice
);
1524 static void hmp_info_mtree(Monitor
*mon
, const QDict
*qdict
)
1526 mtree_info((fprintf_function
)monitor_printf
, mon
);
1529 static void hmp_info_numa(Monitor
*mon
, const QDict
*qdict
)
1535 node_mem
= g_new0(uint64_t, nb_numa_nodes
);
1536 query_numa_node_mem(node_mem
);
1537 monitor_printf(mon
, "%d nodes\n", nb_numa_nodes
);
1538 for (i
= 0; i
< nb_numa_nodes
; i
++) {
1539 monitor_printf(mon
, "node %d cpus:", i
);
1541 if (cpu
->numa_node
== i
) {
1542 monitor_printf(mon
, " %d", cpu
->cpu_index
);
1545 monitor_printf(mon
, "\n");
1546 monitor_printf(mon
, "node %d size: %" PRId64
" MB\n", i
,
1552 #ifdef CONFIG_PROFILER
1557 static void hmp_info_profile(Monitor
*mon
, const QDict
*qdict
)
1559 monitor_printf(mon
, "async time %" PRId64
" (%0.3f)\n",
1560 dev_time
, dev_time
/ (double)NANOSECONDS_PER_SECOND
);
1561 monitor_printf(mon
, "qemu time %" PRId64
" (%0.3f)\n",
1562 tcg_time
, tcg_time
/ (double)NANOSECONDS_PER_SECOND
);
1567 static void hmp_info_profile(Monitor
*mon
, const QDict
*qdict
)
1569 monitor_printf(mon
, "Internal profiler not compiled\n");
1573 /* Capture support */
1574 static QLIST_HEAD (capture_list_head
, CaptureState
) capture_head
;
1576 static void hmp_info_capture(Monitor
*mon
, const QDict
*qdict
)
1581 for (s
= capture_head
.lh_first
, i
= 0; s
; s
= s
->entries
.le_next
, ++i
) {
1582 monitor_printf(mon
, "[%d]: ", i
);
1583 s
->ops
.info (s
->opaque
);
1587 static void hmp_stopcapture(Monitor
*mon
, const QDict
*qdict
)
1590 int n
= qdict_get_int(qdict
, "n");
1593 for (s
= capture_head
.lh_first
, i
= 0; s
; s
= s
->entries
.le_next
, ++i
) {
1595 s
->ops
.destroy (s
->opaque
);
1596 QLIST_REMOVE (s
, entries
);
1603 static void hmp_wavcapture(Monitor
*mon
, const QDict
*qdict
)
1605 const char *path
= qdict_get_str(qdict
, "path");
1606 int has_freq
= qdict_haskey(qdict
, "freq");
1607 int freq
= qdict_get_try_int(qdict
, "freq", -1);
1608 int has_bits
= qdict_haskey(qdict
, "bits");
1609 int bits
= qdict_get_try_int(qdict
, "bits", -1);
1610 int has_channels
= qdict_haskey(qdict
, "nchannels");
1611 int nchannels
= qdict_get_try_int(qdict
, "nchannels", -1);
1614 s
= g_malloc0 (sizeof (*s
));
1616 freq
= has_freq
? freq
: 44100;
1617 bits
= has_bits
? bits
: 16;
1618 nchannels
= has_channels
? nchannels
: 2;
1620 if (wav_start_capture (s
, path
, freq
, bits
, nchannels
)) {
1621 monitor_printf(mon
, "Failed to add wave capture\n");
1625 QLIST_INSERT_HEAD (&capture_head
, s
, entries
);
1628 static qemu_acl
*find_acl(Monitor
*mon
, const char *name
)
1630 qemu_acl
*acl
= qemu_acl_find(name
);
1633 monitor_printf(mon
, "acl: unknown list '%s'\n", name
);
1638 static void hmp_acl_show(Monitor
*mon
, const QDict
*qdict
)
1640 const char *aclname
= qdict_get_str(qdict
, "aclname");
1641 qemu_acl
*acl
= find_acl(mon
, aclname
);
1642 qemu_acl_entry
*entry
;
1646 monitor_printf(mon
, "policy: %s\n",
1647 acl
->defaultDeny
? "deny" : "allow");
1648 QTAILQ_FOREACH(entry
, &acl
->entries
, next
) {
1650 monitor_printf(mon
, "%d: %s %s\n", i
,
1651 entry
->deny
? "deny" : "allow", entry
->match
);
1656 static void hmp_acl_reset(Monitor
*mon
, const QDict
*qdict
)
1658 const char *aclname
= qdict_get_str(qdict
, "aclname");
1659 qemu_acl
*acl
= find_acl(mon
, aclname
);
1662 qemu_acl_reset(acl
);
1663 monitor_printf(mon
, "acl: removed all rules\n");
1667 static void hmp_acl_policy(Monitor
*mon
, const QDict
*qdict
)
1669 const char *aclname
= qdict_get_str(qdict
, "aclname");
1670 const char *policy
= qdict_get_str(qdict
, "policy");
1671 qemu_acl
*acl
= find_acl(mon
, aclname
);
1674 if (strcmp(policy
, "allow") == 0) {
1675 acl
->defaultDeny
= 0;
1676 monitor_printf(mon
, "acl: policy set to 'allow'\n");
1677 } else if (strcmp(policy
, "deny") == 0) {
1678 acl
->defaultDeny
= 1;
1679 monitor_printf(mon
, "acl: policy set to 'deny'\n");
1681 monitor_printf(mon
, "acl: unknown policy '%s', "
1682 "expected 'deny' or 'allow'\n", policy
);
1687 static void hmp_acl_add(Monitor
*mon
, const QDict
*qdict
)
1689 const char *aclname
= qdict_get_str(qdict
, "aclname");
1690 const char *match
= qdict_get_str(qdict
, "match");
1691 const char *policy
= qdict_get_str(qdict
, "policy");
1692 int has_index
= qdict_haskey(qdict
, "index");
1693 int index
= qdict_get_try_int(qdict
, "index", -1);
1694 qemu_acl
*acl
= find_acl(mon
, aclname
);
1698 if (strcmp(policy
, "allow") == 0) {
1700 } else if (strcmp(policy
, "deny") == 0) {
1703 monitor_printf(mon
, "acl: unknown policy '%s', "
1704 "expected 'deny' or 'allow'\n", policy
);
1708 ret
= qemu_acl_insert(acl
, deny
, match
, index
);
1710 ret
= qemu_acl_append(acl
, deny
, match
);
1712 monitor_printf(mon
, "acl: unable to add acl entry\n");
1714 monitor_printf(mon
, "acl: added rule at position %d\n", ret
);
1718 static void hmp_acl_remove(Monitor
*mon
, const QDict
*qdict
)
1720 const char *aclname
= qdict_get_str(qdict
, "aclname");
1721 const char *match
= qdict_get_str(qdict
, "match");
1722 qemu_acl
*acl
= find_acl(mon
, aclname
);
1726 ret
= qemu_acl_remove(acl
, match
);
1728 monitor_printf(mon
, "acl: no matching acl entry\n");
1730 monitor_printf(mon
, "acl: removed rule at position %d\n", ret
);
1734 void qmp_getfd(const char *fdname
, Error
**errp
)
1739 fd
= qemu_chr_fe_get_msgfd(cur_mon
->chr
);
1741 error_setg(errp
, QERR_FD_NOT_SUPPLIED
);
1745 if (qemu_isdigit(fdname
[0])) {
1747 error_setg(errp
, QERR_INVALID_PARAMETER_VALUE
, "fdname",
1748 "a name not starting with a digit");
1752 QLIST_FOREACH(monfd
, &cur_mon
->fds
, next
) {
1753 if (strcmp(monfd
->name
, fdname
) != 0) {
1762 monfd
= g_malloc0(sizeof(mon_fd_t
));
1763 monfd
->name
= g_strdup(fdname
);
1766 QLIST_INSERT_HEAD(&cur_mon
->fds
, monfd
, next
);
1769 void qmp_closefd(const char *fdname
, Error
**errp
)
1773 QLIST_FOREACH(monfd
, &cur_mon
->fds
, next
) {
1774 if (strcmp(monfd
->name
, fdname
) != 0) {
1778 QLIST_REMOVE(monfd
, next
);
1780 g_free(monfd
->name
);
1785 error_setg(errp
, QERR_FD_NOT_FOUND
, fdname
);
1788 static void hmp_loadvm(Monitor
*mon
, const QDict
*qdict
)
1790 int saved_vm_running
= runstate_is_running();
1791 const char *name
= qdict_get_str(qdict
, "name");
1793 vm_stop(RUN_STATE_RESTORE_VM
);
1795 if (load_vmstate(name
) == 0 && saved_vm_running
) {
1800 int monitor_get_fd(Monitor
*mon
, const char *fdname
, Error
**errp
)
1804 QLIST_FOREACH(monfd
, &mon
->fds
, next
) {
1807 if (strcmp(monfd
->name
, fdname
) != 0) {
1813 /* caller takes ownership of fd */
1814 QLIST_REMOVE(monfd
, next
);
1815 g_free(monfd
->name
);
1821 error_setg(errp
, "File descriptor named '%s' has not been found", fdname
);
1825 static void monitor_fdset_cleanup(MonFdset
*mon_fdset
)
1827 MonFdsetFd
*mon_fdset_fd
;
1828 MonFdsetFd
*mon_fdset_fd_next
;
1830 QLIST_FOREACH_SAFE(mon_fdset_fd
, &mon_fdset
->fds
, next
, mon_fdset_fd_next
) {
1831 if ((mon_fdset_fd
->removed
||
1832 (QLIST_EMPTY(&mon_fdset
->dup_fds
) && mon_refcount
== 0)) &&
1833 runstate_is_running()) {
1834 close(mon_fdset_fd
->fd
);
1835 g_free(mon_fdset_fd
->opaque
);
1836 QLIST_REMOVE(mon_fdset_fd
, next
);
1837 g_free(mon_fdset_fd
);
1841 if (QLIST_EMPTY(&mon_fdset
->fds
) && QLIST_EMPTY(&mon_fdset
->dup_fds
)) {
1842 QLIST_REMOVE(mon_fdset
, next
);
1847 static void monitor_fdsets_cleanup(void)
1849 MonFdset
*mon_fdset
;
1850 MonFdset
*mon_fdset_next
;
1852 QLIST_FOREACH_SAFE(mon_fdset
, &mon_fdsets
, next
, mon_fdset_next
) {
1853 monitor_fdset_cleanup(mon_fdset
);
1857 AddfdInfo
*qmp_add_fd(bool has_fdset_id
, int64_t fdset_id
, bool has_opaque
,
1858 const char *opaque
, Error
**errp
)
1861 Monitor
*mon
= cur_mon
;
1864 fd
= qemu_chr_fe_get_msgfd(mon
->chr
);
1866 error_setg(errp
, QERR_FD_NOT_SUPPLIED
);
1870 fdinfo
= monitor_fdset_add_fd(fd
, has_fdset_id
, fdset_id
,
1871 has_opaque
, opaque
, errp
);
1883 void qmp_remove_fd(int64_t fdset_id
, bool has_fd
, int64_t fd
, Error
**errp
)
1885 MonFdset
*mon_fdset
;
1886 MonFdsetFd
*mon_fdset_fd
;
1889 QLIST_FOREACH(mon_fdset
, &mon_fdsets
, next
) {
1890 if (mon_fdset
->id
!= fdset_id
) {
1893 QLIST_FOREACH(mon_fdset_fd
, &mon_fdset
->fds
, next
) {
1895 if (mon_fdset_fd
->fd
!= fd
) {
1898 mon_fdset_fd
->removed
= true;
1901 mon_fdset_fd
->removed
= true;
1904 if (has_fd
&& !mon_fdset_fd
) {
1907 monitor_fdset_cleanup(mon_fdset
);
1913 snprintf(fd_str
, sizeof(fd_str
), "fdset-id:%" PRId64
", fd:%" PRId64
,
1916 snprintf(fd_str
, sizeof(fd_str
), "fdset-id:%" PRId64
, fdset_id
);
1918 error_setg(errp
, QERR_FD_NOT_FOUND
, fd_str
);
1921 FdsetInfoList
*qmp_query_fdsets(Error
**errp
)
1923 MonFdset
*mon_fdset
;
1924 MonFdsetFd
*mon_fdset_fd
;
1925 FdsetInfoList
*fdset_list
= NULL
;
1927 QLIST_FOREACH(mon_fdset
, &mon_fdsets
, next
) {
1928 FdsetInfoList
*fdset_info
= g_malloc0(sizeof(*fdset_info
));
1929 FdsetFdInfoList
*fdsetfd_list
= NULL
;
1931 fdset_info
->value
= g_malloc0(sizeof(*fdset_info
->value
));
1932 fdset_info
->value
->fdset_id
= mon_fdset
->id
;
1934 QLIST_FOREACH(mon_fdset_fd
, &mon_fdset
->fds
, next
) {
1935 FdsetFdInfoList
*fdsetfd_info
;
1937 fdsetfd_info
= g_malloc0(sizeof(*fdsetfd_info
));
1938 fdsetfd_info
->value
= g_malloc0(sizeof(*fdsetfd_info
->value
));
1939 fdsetfd_info
->value
->fd
= mon_fdset_fd
->fd
;
1940 if (mon_fdset_fd
->opaque
) {
1941 fdsetfd_info
->value
->has_opaque
= true;
1942 fdsetfd_info
->value
->opaque
= g_strdup(mon_fdset_fd
->opaque
);
1944 fdsetfd_info
->value
->has_opaque
= false;
1947 fdsetfd_info
->next
= fdsetfd_list
;
1948 fdsetfd_list
= fdsetfd_info
;
1951 fdset_info
->value
->fds
= fdsetfd_list
;
1953 fdset_info
->next
= fdset_list
;
1954 fdset_list
= fdset_info
;
1960 AddfdInfo
*monitor_fdset_add_fd(int fd
, bool has_fdset_id
, int64_t fdset_id
,
1961 bool has_opaque
, const char *opaque
,
1964 MonFdset
*mon_fdset
= NULL
;
1965 MonFdsetFd
*mon_fdset_fd
;
1969 QLIST_FOREACH(mon_fdset
, &mon_fdsets
, next
) {
1970 /* Break if match found or match impossible due to ordering by ID */
1971 if (fdset_id
<= mon_fdset
->id
) {
1972 if (fdset_id
< mon_fdset
->id
) {
1980 if (mon_fdset
== NULL
) {
1981 int64_t fdset_id_prev
= -1;
1982 MonFdset
*mon_fdset_cur
= QLIST_FIRST(&mon_fdsets
);
1986 error_setg(errp
, QERR_INVALID_PARAMETER_VALUE
, "fdset-id",
1987 "a non-negative value");
1990 /* Use specified fdset ID */
1991 QLIST_FOREACH(mon_fdset
, &mon_fdsets
, next
) {
1992 mon_fdset_cur
= mon_fdset
;
1993 if (fdset_id
< mon_fdset_cur
->id
) {
1998 /* Use first available fdset ID */
1999 QLIST_FOREACH(mon_fdset
, &mon_fdsets
, next
) {
2000 mon_fdset_cur
= mon_fdset
;
2001 if (fdset_id_prev
== mon_fdset_cur
->id
- 1) {
2002 fdset_id_prev
= mon_fdset_cur
->id
;
2009 mon_fdset
= g_malloc0(sizeof(*mon_fdset
));
2011 mon_fdset
->id
= fdset_id
;
2013 mon_fdset
->id
= fdset_id_prev
+ 1;
2016 /* The fdset list is ordered by fdset ID */
2017 if (!mon_fdset_cur
) {
2018 QLIST_INSERT_HEAD(&mon_fdsets
, mon_fdset
, next
);
2019 } else if (mon_fdset
->id
< mon_fdset_cur
->id
) {
2020 QLIST_INSERT_BEFORE(mon_fdset_cur
, mon_fdset
, next
);
2022 QLIST_INSERT_AFTER(mon_fdset_cur
, mon_fdset
, next
);
2026 mon_fdset_fd
= g_malloc0(sizeof(*mon_fdset_fd
));
2027 mon_fdset_fd
->fd
= fd
;
2028 mon_fdset_fd
->removed
= false;
2030 mon_fdset_fd
->opaque
= g_strdup(opaque
);
2032 QLIST_INSERT_HEAD(&mon_fdset
->fds
, mon_fdset_fd
, next
);
2034 fdinfo
= g_malloc0(sizeof(*fdinfo
));
2035 fdinfo
->fdset_id
= mon_fdset
->id
;
2036 fdinfo
->fd
= mon_fdset_fd
->fd
;
2041 int monitor_fdset_get_fd(int64_t fdset_id
, int flags
)
2044 MonFdset
*mon_fdset
;
2045 MonFdsetFd
*mon_fdset_fd
;
2048 QLIST_FOREACH(mon_fdset
, &mon_fdsets
, next
) {
2049 if (mon_fdset
->id
!= fdset_id
) {
2052 QLIST_FOREACH(mon_fdset_fd
, &mon_fdset
->fds
, next
) {
2053 mon_fd_flags
= fcntl(mon_fdset_fd
->fd
, F_GETFL
);
2054 if (mon_fd_flags
== -1) {
2058 if ((flags
& O_ACCMODE
) == (mon_fd_flags
& O_ACCMODE
)) {
2059 return mon_fdset_fd
->fd
;
2071 int monitor_fdset_dup_fd_add(int64_t fdset_id
, int dup_fd
)
2073 MonFdset
*mon_fdset
;
2074 MonFdsetFd
*mon_fdset_fd_dup
;
2076 QLIST_FOREACH(mon_fdset
, &mon_fdsets
, next
) {
2077 if (mon_fdset
->id
!= fdset_id
) {
2080 QLIST_FOREACH(mon_fdset_fd_dup
, &mon_fdset
->dup_fds
, next
) {
2081 if (mon_fdset_fd_dup
->fd
== dup_fd
) {
2085 mon_fdset_fd_dup
= g_malloc0(sizeof(*mon_fdset_fd_dup
));
2086 mon_fdset_fd_dup
->fd
= dup_fd
;
2087 QLIST_INSERT_HEAD(&mon_fdset
->dup_fds
, mon_fdset_fd_dup
, next
);
2093 static int monitor_fdset_dup_fd_find_remove(int dup_fd
, bool remove
)
2095 MonFdset
*mon_fdset
;
2096 MonFdsetFd
*mon_fdset_fd_dup
;
2098 QLIST_FOREACH(mon_fdset
, &mon_fdsets
, next
) {
2099 QLIST_FOREACH(mon_fdset_fd_dup
, &mon_fdset
->dup_fds
, next
) {
2100 if (mon_fdset_fd_dup
->fd
== dup_fd
) {
2102 QLIST_REMOVE(mon_fdset_fd_dup
, next
);
2103 if (QLIST_EMPTY(&mon_fdset
->dup_fds
)) {
2104 monitor_fdset_cleanup(mon_fdset
);
2108 return mon_fdset
->id
;
2116 int monitor_fdset_dup_fd_find(int dup_fd
)
2118 return monitor_fdset_dup_fd_find_remove(dup_fd
, false);
2121 void monitor_fdset_dup_fd_remove(int dup_fd
)
2123 monitor_fdset_dup_fd_find_remove(dup_fd
, true);
2126 int monitor_fd_param(Monitor
*mon
, const char *fdname
, Error
**errp
)
2129 Error
*local_err
= NULL
;
2131 if (!qemu_isdigit(fdname
[0]) && mon
) {
2132 fd
= monitor_get_fd(mon
, fdname
, &local_err
);
2134 fd
= qemu_parse_fd(fdname
);
2136 error_setg(&local_err
, "Invalid file descriptor number '%s'",
2141 error_propagate(errp
, local_err
);
2150 /* Please update hmp-commands.hx when adding or changing commands */
2151 static mon_cmd_t info_cmds
[] = {
2152 #include "hmp-commands-info.h"
2156 /* mon_cmds and info_cmds would be sorted at runtime */
2157 static mon_cmd_t mon_cmds
[] = {
2158 #include "hmp-commands.h"
2162 /*******************************************************************/
2164 static const char *pch
;
2165 static sigjmp_buf expr_env
;
2168 static void GCC_FMT_ATTR(2, 3) QEMU_NORETURN
2169 expr_error(Monitor
*mon
, const char *fmt
, ...)
2173 monitor_vprintf(mon
, fmt
, ap
);
2174 monitor_printf(mon
, "\n");
2176 siglongjmp(expr_env
, 1);
2179 /* return 0 if OK, -1 if not found */
2180 static int get_monitor_def(target_long
*pval
, const char *name
)
2182 const MonitorDef
*md
= target_monitor_defs();
2191 for(; md
->name
!= NULL
; md
++) {
2192 if (compare_cmd(name
, md
->name
)) {
2193 if (md
->get_value
) {
2194 *pval
= md
->get_value(md
, md
->offset
);
2196 CPUArchState
*env
= mon_get_cpu_env();
2197 ptr
= (uint8_t *)env
+ md
->offset
;
2200 *pval
= *(int32_t *)ptr
;
2203 *pval
= *(target_long
*)ptr
;
2214 ret
= target_get_monitor_def(mon_get_cpu(), name
, &tmp
);
2216 *pval
= (target_long
) tmp
;
2222 static void next(void)
2226 while (qemu_isspace(*pch
))
2231 static int64_t expr_sum(Monitor
*mon
);
2233 static int64_t expr_unary(Monitor
*mon
)
2242 n
= expr_unary(mon
);
2246 n
= -expr_unary(mon
);
2250 n
= ~expr_unary(mon
);
2256 expr_error(mon
, "')' expected");
2263 expr_error(mon
, "character constant expected");
2267 expr_error(mon
, "missing terminating \' character");
2277 while ((*pch
>= 'a' && *pch
<= 'z') ||
2278 (*pch
>= 'A' && *pch
<= 'Z') ||
2279 (*pch
>= '0' && *pch
<= '9') ||
2280 *pch
== '_' || *pch
== '.') {
2281 if ((q
- buf
) < sizeof(buf
) - 1)
2285 while (qemu_isspace(*pch
))
2288 ret
= get_monitor_def(®
, buf
);
2290 expr_error(mon
, "unknown register");
2295 expr_error(mon
, "unexpected end of expression");
2300 n
= strtoull(pch
, &p
, 0);
2301 if (errno
== ERANGE
) {
2302 expr_error(mon
, "number too large");
2305 expr_error(mon
, "invalid char '%c' in expression", *p
);
2308 while (qemu_isspace(*pch
))
2316 static int64_t expr_prod(Monitor
*mon
)
2321 val
= expr_unary(mon
);
2324 if (op
!= '*' && op
!= '/' && op
!= '%')
2327 val2
= expr_unary(mon
);
2336 expr_error(mon
, "division by zero");
2347 static int64_t expr_logic(Monitor
*mon
)
2352 val
= expr_prod(mon
);
2355 if (op
!= '&' && op
!= '|' && op
!= '^')
2358 val2
= expr_prod(mon
);
2375 static int64_t expr_sum(Monitor
*mon
)
2380 val
= expr_logic(mon
);
2383 if (op
!= '+' && op
!= '-')
2386 val2
= expr_logic(mon
);
2395 static int get_expr(Monitor
*mon
, int64_t *pval
, const char **pp
)
2398 if (sigsetjmp(expr_env
, 0)) {
2402 while (qemu_isspace(*pch
))
2404 *pval
= expr_sum(mon
);
2409 static int get_double(Monitor
*mon
, double *pval
, const char **pp
)
2411 const char *p
= *pp
;
2415 d
= strtod(p
, &tailp
);
2417 monitor_printf(mon
, "Number expected\n");
2420 if (d
!= d
|| d
- d
!= 0) {
2421 /* NaN or infinity */
2422 monitor_printf(mon
, "Bad number\n");
2431 * Store the command-name in cmdname, and return a pointer to
2432 * the remaining of the command string.
2434 static const char *get_command_name(const char *cmdline
,
2435 char *cmdname
, size_t nlen
)
2438 const char *p
, *pstart
;
2441 while (qemu_isspace(*p
))
2446 while (*p
!= '\0' && *p
!= '/' && !qemu_isspace(*p
))
2451 memcpy(cmdname
, pstart
, len
);
2452 cmdname
[len
] = '\0';
2457 * Read key of 'type' into 'key' and return the current
2460 static char *key_get_info(const char *type
, char **key
)
2468 p
= strchr(type
, ':');
2475 str
= g_malloc(len
+ 1);
2476 memcpy(str
, type
, len
);
2483 static int default_fmt_format
= 'x';
2484 static int default_fmt_size
= 4;
2486 static int is_valid_option(const char *c
, const char *typestr
)
2494 typestr
= strstr(typestr
, option
);
2495 return (typestr
!= NULL
);
2498 static const mon_cmd_t
*search_dispatch_table(const mon_cmd_t
*disp_table
,
2499 const char *cmdname
)
2501 const mon_cmd_t
*cmd
;
2503 for (cmd
= disp_table
; cmd
->name
!= NULL
; cmd
++) {
2504 if (compare_cmd(cmdname
, cmd
->name
)) {
2513 * Parse command name from @cmdp according to command table @table.
2514 * If blank, return NULL.
2515 * Else, if no valid command can be found, report to @mon, and return
2517 * Else, change @cmdp to point right behind the name, and return its
2518 * command table entry.
2519 * Do not assume the return value points into @table! It doesn't when
2520 * the command is found in a sub-command table.
2522 static const mon_cmd_t
*monitor_parse_command(Monitor
*mon
,
2527 const mon_cmd_t
*cmd
;
2530 /* extract the command name */
2531 p
= get_command_name(*cmdp
, cmdname
, sizeof(cmdname
));
2535 cmd
= search_dispatch_table(table
, cmdname
);
2537 monitor_printf(mon
, "unknown command: '%.*s'\n",
2538 (int)(p
- *cmdp
), *cmdp
);
2542 /* filter out following useless space */
2543 while (qemu_isspace(*p
)) {
2548 /* search sub command */
2549 if (cmd
->sub_table
!= NULL
&& *p
!= '\0') {
2550 return monitor_parse_command(mon
, cmdp
, cmd
->sub_table
);
2557 * Parse arguments for @cmd.
2558 * If it can't be parsed, report to @mon, and return NULL.
2559 * Else, insert command arguments into a QDict, and return it.
2560 * Note: On success, caller has to free the QDict structure.
2563 static QDict
*monitor_parse_arguments(Monitor
*mon
,
2565 const mon_cmd_t
*cmd
)
2567 const char *typestr
;
2570 const char *p
= *endp
;
2572 QDict
*qdict
= qdict_new();
2574 /* parse the parameters */
2575 typestr
= cmd
->args_type
;
2577 typestr
= key_get_info(typestr
, &key
);
2589 while (qemu_isspace(*p
))
2591 if (*typestr
== '?') {
2594 /* no optional string: NULL argument */
2598 ret
= get_str(buf
, sizeof(buf
), &p
);
2602 monitor_printf(mon
, "%s: filename expected\n",
2606 monitor_printf(mon
, "%s: block device name expected\n",
2610 monitor_printf(mon
, "%s: string expected\n", cmd
->name
);
2615 qdict_put(qdict
, key
, qstring_from_str(buf
));
2620 QemuOptsList
*opts_list
;
2623 opts_list
= qemu_find_opts(key
);
2624 if (!opts_list
|| opts_list
->desc
->name
) {
2627 while (qemu_isspace(*p
)) {
2632 if (get_str(buf
, sizeof(buf
), &p
) < 0) {
2635 opts
= qemu_opts_parse_noisily(opts_list
, buf
, true);
2639 qemu_opts_to_qdict(opts
, qdict
);
2640 qemu_opts_del(opts
);
2645 int count
, format
, size
;
2647 while (qemu_isspace(*p
))
2653 if (qemu_isdigit(*p
)) {
2655 while (qemu_isdigit(*p
)) {
2656 count
= count
* 10 + (*p
- '0');
2694 if (*p
!= '\0' && !qemu_isspace(*p
)) {
2695 monitor_printf(mon
, "invalid char in format: '%c'\n",
2700 format
= default_fmt_format
;
2701 if (format
!= 'i') {
2702 /* for 'i', not specifying a size gives -1 as size */
2704 size
= default_fmt_size
;
2705 default_fmt_size
= size
;
2707 default_fmt_format
= format
;
2710 format
= default_fmt_format
;
2711 if (format
!= 'i') {
2712 size
= default_fmt_size
;
2717 qdict_put(qdict
, "count", qint_from_int(count
));
2718 qdict_put(qdict
, "format", qint_from_int(format
));
2719 qdict_put(qdict
, "size", qint_from_int(size
));
2728 while (qemu_isspace(*p
))
2730 if (*typestr
== '?' || *typestr
== '.') {
2731 if (*typestr
== '?') {
2739 while (qemu_isspace(*p
))
2748 if (get_expr(mon
, &val
, &p
))
2750 /* Check if 'i' is greater than 32-bit */
2751 if ((c
== 'i') && ((val
>> 32) & 0xffffffff)) {
2752 monitor_printf(mon
, "\'%s\' has failed: ", cmd
->name
);
2753 monitor_printf(mon
, "integer is for 32-bit values\n");
2755 } else if (c
== 'M') {
2757 monitor_printf(mon
, "enter a positive value\n");
2762 qdict_put(qdict
, key
, qint_from_int(val
));
2770 while (qemu_isspace(*p
)) {
2773 if (*typestr
== '?') {
2779 val
= qemu_strtosz(p
, &end
);
2781 monitor_printf(mon
, "invalid size\n");
2784 qdict_put(qdict
, key
, qint_from_int(val
));
2792 while (qemu_isspace(*p
))
2794 if (*typestr
== '?') {
2800 if (get_double(mon
, &val
, &p
) < 0) {
2803 if (p
[0] && p
[1] == 's') {
2806 val
/= 1e3
; p
+= 2; break;
2808 val
/= 1e6
; p
+= 2; break;
2810 val
/= 1e9
; p
+= 2; break;
2813 if (*p
&& !qemu_isspace(*p
)) {
2814 monitor_printf(mon
, "Unknown unit suffix\n");
2817 qdict_put(qdict
, key
, qfloat_from_double(val
));
2825 while (qemu_isspace(*p
)) {
2829 while (qemu_isgraph(*p
)) {
2832 if (p
- beg
== 2 && !memcmp(beg
, "on", p
- beg
)) {
2834 } else if (p
- beg
== 3 && !memcmp(beg
, "off", p
- beg
)) {
2837 monitor_printf(mon
, "Expected 'on' or 'off'\n");
2840 qdict_put(qdict
, key
, qbool_from_bool(val
));
2845 const char *tmp
= p
;
2852 while (qemu_isspace(*p
))
2857 if(!is_valid_option(p
, typestr
)) {
2859 monitor_printf(mon
, "%s: unsupported option -%c\n",
2871 qdict_put(qdict
, key
, qbool_from_bool(true));
2878 /* package all remaining string */
2881 while (qemu_isspace(*p
)) {
2884 if (*typestr
== '?') {
2887 /* no remaining string: NULL argument */
2893 monitor_printf(mon
, "%s: string expected\n",
2897 qdict_put(qdict
, key
, qstring_from_str(p
));
2903 monitor_printf(mon
, "%s: unknown type '%c'\n", cmd
->name
, c
);
2909 /* check that all arguments were parsed */
2910 while (qemu_isspace(*p
))
2913 monitor_printf(mon
, "%s: extraneous characters at the end of line\n",
2926 static void handle_hmp_command(Monitor
*mon
, const char *cmdline
)
2929 const mon_cmd_t
*cmd
;
2931 cmd
= monitor_parse_command(mon
, &cmdline
, mon
->cmd_table
);
2936 qdict
= monitor_parse_arguments(mon
, &cmdline
, cmd
);
2938 monitor_printf(mon
, "Try \"help %s\" for more information\n",
2943 cmd
->cmd(mon
, qdict
);
2947 static void cmd_completion(Monitor
*mon
, const char *name
, const char *list
)
2949 const char *p
, *pstart
;
2958 p
= pstart
+ strlen(pstart
);
2960 if (len
> sizeof(cmd
) - 2)
2961 len
= sizeof(cmd
) - 2;
2962 memcpy(cmd
, pstart
, len
);
2964 if (name
[0] == '\0' || !strncmp(name
, cmd
, strlen(name
))) {
2965 readline_add_completion(mon
->rs
, cmd
);
2973 static void file_completion(Monitor
*mon
, const char *input
)
2978 char file
[1024], file_prefix
[1024];
2982 p
= strrchr(input
, '/');
2985 pstrcpy(file_prefix
, sizeof(file_prefix
), input
);
2986 pstrcpy(path
, sizeof(path
), ".");
2988 input_path_len
= p
- input
+ 1;
2989 memcpy(path
, input
, input_path_len
);
2990 if (input_path_len
> sizeof(path
) - 1)
2991 input_path_len
= sizeof(path
) - 1;
2992 path
[input_path_len
] = '\0';
2993 pstrcpy(file_prefix
, sizeof(file_prefix
), p
+ 1);
2996 ffs
= opendir(path
);
3005 if (strcmp(d
->d_name
, ".") == 0 || strcmp(d
->d_name
, "..") == 0) {
3009 if (strstart(d
->d_name
, file_prefix
, NULL
)) {
3010 memcpy(file
, input
, input_path_len
);
3011 if (input_path_len
< sizeof(file
))
3012 pstrcpy(file
+ input_path_len
, sizeof(file
) - input_path_len
,
3014 /* stat the file to find out if it's a directory.
3015 * In that case add a slash to speed up typing long paths
3017 if (stat(file
, &sb
) == 0 && S_ISDIR(sb
.st_mode
)) {
3018 pstrcat(file
, sizeof(file
), "/");
3020 readline_add_completion(mon
->rs
, file
);
3026 static const char *next_arg_type(const char *typestr
)
3028 const char *p
= strchr(typestr
, ':');
3029 return (p
!= NULL
? ++p
: typestr
);
3032 static void add_completion_option(ReadLineState
*rs
, const char *str
,
3035 if (!str
|| !option
) {
3038 if (!strncmp(option
, str
, strlen(str
))) {
3039 readline_add_completion(rs
, option
);
3043 void chardev_add_completion(ReadLineState
*rs
, int nb_args
, const char *str
)
3046 ChardevBackendInfoList
*list
, *start
;
3052 readline_set_completion_index(rs
, len
);
3054 start
= list
= qmp_query_chardev_backends(NULL
);
3056 const char *chr_name
= list
->value
->name
;
3058 if (!strncmp(chr_name
, str
, len
)) {
3059 readline_add_completion(rs
, chr_name
);
3063 qapi_free_ChardevBackendInfoList(start
);
3066 void netdev_add_completion(ReadLineState
*rs
, int nb_args
, const char *str
)
3075 readline_set_completion_index(rs
, len
);
3076 for (i
= 0; NetClientDriver_lookup
[i
]; i
++) {
3077 add_completion_option(rs
, str
, NetClientDriver_lookup
[i
]);
3081 void device_add_completion(ReadLineState
*rs
, int nb_args
, const char *str
)
3091 readline_set_completion_index(rs
, len
);
3092 list
= elt
= object_class_get_list(TYPE_DEVICE
, false);
3095 DeviceClass
*dc
= OBJECT_CLASS_CHECK(DeviceClass
, elt
->data
,
3097 name
= object_class_get_name(OBJECT_CLASS(dc
));
3099 if (!dc
->cannot_instantiate_with_device_add_yet
3100 && !strncmp(name
, str
, len
)) {
3101 readline_add_completion(rs
, name
);
3108 void object_add_completion(ReadLineState
*rs
, int nb_args
, const char *str
)
3118 readline_set_completion_index(rs
, len
);
3119 list
= elt
= object_class_get_list(TYPE_USER_CREATABLE
, false);
3123 name
= object_class_get_name(OBJECT_CLASS(elt
->data
));
3124 if (!strncmp(name
, str
, len
) && strcmp(name
, TYPE_USER_CREATABLE
)) {
3125 readline_add_completion(rs
, name
);
3132 static void peripheral_device_del_completion(ReadLineState
*rs
,
3133 const char *str
, size_t len
)
3135 Object
*peripheral
= container_get(qdev_get_machine(), "/peripheral");
3136 GSList
*list
, *item
;
3138 list
= qdev_build_hotpluggable_device_list(peripheral
);
3143 for (item
= list
; item
; item
= g_slist_next(item
)) {
3144 DeviceState
*dev
= item
->data
;
3146 if (dev
->id
&& !strncmp(str
, dev
->id
, len
)) {
3147 readline_add_completion(rs
, dev
->id
);
3154 void chardev_remove_completion(ReadLineState
*rs
, int nb_args
, const char *str
)
3157 ChardevInfoList
*list
, *start
;
3163 readline_set_completion_index(rs
, len
);
3165 start
= list
= qmp_query_chardev(NULL
);
3167 ChardevInfo
*chr
= list
->value
;
3169 if (!strncmp(chr
->label
, str
, len
)) {
3170 readline_add_completion(rs
, chr
->label
);
3174 qapi_free_ChardevInfoList(start
);
3177 static void ringbuf_completion(ReadLineState
*rs
, const char *str
)
3180 ChardevInfoList
*list
, *start
;
3183 readline_set_completion_index(rs
, len
);
3185 start
= list
= qmp_query_chardev(NULL
);
3187 ChardevInfo
*chr_info
= list
->value
;
3189 if (!strncmp(chr_info
->label
, str
, len
)) {
3190 CharDriverState
*chr
= qemu_chr_find(chr_info
->label
);
3191 if (chr
&& chr_is_ringbuf(chr
)) {
3192 readline_add_completion(rs
, chr_info
->label
);
3197 qapi_free_ChardevInfoList(start
);
3200 void ringbuf_write_completion(ReadLineState
*rs
, int nb_args
, const char *str
)
3205 ringbuf_completion(rs
, str
);
3208 void device_del_completion(ReadLineState
*rs
, int nb_args
, const char *str
)
3217 readline_set_completion_index(rs
, len
);
3218 peripheral_device_del_completion(rs
, str
, len
);
3221 void object_del_completion(ReadLineState
*rs
, int nb_args
, const char *str
)
3223 ObjectPropertyInfoList
*list
, *start
;
3230 readline_set_completion_index(rs
, len
);
3232 start
= list
= qmp_qom_list("/objects", NULL
);
3234 ObjectPropertyInfo
*info
= list
->value
;
3236 if (!strncmp(info
->type
, "child<", 5)
3237 && !strncmp(info
->name
, str
, len
)) {
3238 readline_add_completion(rs
, info
->name
);
3242 qapi_free_ObjectPropertyInfoList(start
);
3245 void sendkey_completion(ReadLineState
*rs
, int nb_args
, const char *str
)
3254 sep
= strrchr(str
, '-');
3259 readline_set_completion_index(rs
, len
);
3260 for (i
= 0; i
< Q_KEY_CODE__MAX
; i
++) {
3261 if (!strncmp(str
, QKeyCode_lookup
[i
], len
)) {
3262 readline_add_completion(rs
, QKeyCode_lookup
[i
]);
3267 void set_link_completion(ReadLineState
*rs
, int nb_args
, const char *str
)
3272 readline_set_completion_index(rs
, len
);
3274 NetClientState
*ncs
[MAX_QUEUE_NUM
];
3276 count
= qemu_find_net_clients_except(NULL
, ncs
,
3277 NET_CLIENT_DRIVER_NONE
,
3279 for (i
= 0; i
< MIN(count
, MAX_QUEUE_NUM
); i
++) {
3280 const char *name
= ncs
[i
]->name
;
3281 if (!strncmp(str
, name
, len
)) {
3282 readline_add_completion(rs
, name
);
3285 } else if (nb_args
== 3) {
3286 add_completion_option(rs
, str
, "on");
3287 add_completion_option(rs
, str
, "off");
3291 void netdev_del_completion(ReadLineState
*rs
, int nb_args
, const char *str
)
3294 NetClientState
*ncs
[MAX_QUEUE_NUM
];
3301 readline_set_completion_index(rs
, len
);
3302 count
= qemu_find_net_clients_except(NULL
, ncs
, NET_CLIENT_DRIVER_NIC
,
3304 for (i
= 0; i
< MIN(count
, MAX_QUEUE_NUM
); i
++) {
3306 const char *name
= ncs
[i
]->name
;
3307 if (strncmp(str
, name
, len
)) {
3310 opts
= qemu_opts_find(qemu_find_opts_err("netdev", NULL
), name
);
3312 readline_add_completion(rs
, name
);
3317 void info_trace_events_completion(ReadLineState
*rs
, int nb_args
, const char *str
)
3322 readline_set_completion_index(rs
, len
);
3325 for (id
= 0; id
< trace_event_count(); id
++) {
3326 const char *event_name
= trace_event_get_name(trace_event_id(id
));
3327 if (!strncmp(str
, event_name
, len
)) {
3328 readline_add_completion(rs
, event_name
);
3334 void trace_event_completion(ReadLineState
*rs
, int nb_args
, const char *str
)
3339 readline_set_completion_index(rs
, len
);
3342 for (id
= 0; id
< trace_event_count(); id
++) {
3343 const char *event_name
= trace_event_get_name(trace_event_id(id
));
3344 if (!strncmp(str
, event_name
, len
)) {
3345 readline_add_completion(rs
, event_name
);
3348 } else if (nb_args
== 3) {
3349 add_completion_option(rs
, str
, "on");
3350 add_completion_option(rs
, str
, "off");
3354 void watchdog_action_completion(ReadLineState
*rs
, int nb_args
, const char *str
)
3361 readline_set_completion_index(rs
, strlen(str
));
3362 for (i
= 0; WatchdogExpirationAction_lookup
[i
]; i
++) {
3363 add_completion_option(rs
, str
, WatchdogExpirationAction_lookup
[i
]);
3367 void migrate_set_capability_completion(ReadLineState
*rs
, int nb_args
,
3373 readline_set_completion_index(rs
, len
);
3376 for (i
= 0; i
< MIGRATION_CAPABILITY__MAX
; i
++) {
3377 const char *name
= MigrationCapability_lookup
[i
];
3378 if (!strncmp(str
, name
, len
)) {
3379 readline_add_completion(rs
, name
);
3382 } else if (nb_args
== 3) {
3383 add_completion_option(rs
, str
, "on");
3384 add_completion_option(rs
, str
, "off");
3388 void migrate_set_parameter_completion(ReadLineState
*rs
, int nb_args
,
3394 readline_set_completion_index(rs
, len
);
3397 for (i
= 0; i
< MIGRATION_PARAMETER__MAX
; i
++) {
3398 const char *name
= MigrationParameter_lookup
[i
];
3399 if (!strncmp(str
, name
, len
)) {
3400 readline_add_completion(rs
, name
);
3406 void host_net_add_completion(ReadLineState
*rs
, int nb_args
, const char *str
)
3414 readline_set_completion_index(rs
, len
);
3415 for (i
= 0; host_net_devices
[i
]; i
++) {
3416 if (!strncmp(host_net_devices
[i
], str
, len
)) {
3417 readline_add_completion(rs
, host_net_devices
[i
]);
3422 void host_net_remove_completion(ReadLineState
*rs
, int nb_args
, const char *str
)
3424 NetClientState
*ncs
[MAX_QUEUE_NUM
];
3428 readline_set_completion_index(rs
, len
);
3430 count
= qemu_find_net_clients_except(NULL
, ncs
,
3431 NET_CLIENT_DRIVER_NONE
,
3433 for (i
= 0; i
< MIN(count
, MAX_QUEUE_NUM
); i
++) {
3437 if (net_hub_id_for_client(ncs
[i
], &id
)) {
3440 snprintf(name
, sizeof(name
), "%d", id
);
3441 if (!strncmp(str
, name
, len
)) {
3442 readline_add_completion(rs
, name
);
3446 } else if (nb_args
== 3) {
3447 count
= qemu_find_net_clients_except(NULL
, ncs
,
3448 NET_CLIENT_DRIVER_NIC
,
3450 for (i
= 0; i
< MIN(count
, MAX_QUEUE_NUM
); i
++) {
3454 if (ncs
[i
]->info
->type
== NET_CLIENT_DRIVER_HUBPORT
||
3455 net_hub_id_for_client(ncs
[i
], &id
)) {
3458 name
= ncs
[i
]->name
;
3459 if (!strncmp(str
, name
, len
)) {
3460 readline_add_completion(rs
, name
);
3467 static void vm_completion(ReadLineState
*rs
, const char *str
)
3470 BlockDriverState
*bs
;
3471 BdrvNextIterator it
;
3474 readline_set_completion_index(rs
, len
);
3476 for (bs
= bdrv_first(&it
); bs
; bs
= bdrv_next(&it
)) {
3477 SnapshotInfoList
*snapshots
, *snapshot
;
3478 AioContext
*ctx
= bdrv_get_aio_context(bs
);
3481 aio_context_acquire(ctx
);
3482 if (bdrv_can_snapshot(bs
)) {
3483 ok
= bdrv_query_snapshot_info_list(bs
, &snapshots
, NULL
) == 0;
3485 aio_context_release(ctx
);
3490 snapshot
= snapshots
;
3492 char *completion
= snapshot
->value
->name
;
3493 if (!strncmp(str
, completion
, len
)) {
3494 readline_add_completion(rs
, completion
);
3496 completion
= snapshot
->value
->id
;
3497 if (!strncmp(str
, completion
, len
)) {
3498 readline_add_completion(rs
, completion
);
3500 snapshot
= snapshot
->next
;
3502 qapi_free_SnapshotInfoList(snapshots
);
3507 void delvm_completion(ReadLineState
*rs
, int nb_args
, const char *str
)
3510 vm_completion(rs
, str
);
3514 void loadvm_completion(ReadLineState
*rs
, int nb_args
, const char *str
)
3517 vm_completion(rs
, str
);
3521 static void monitor_find_completion_by_table(Monitor
*mon
,
3522 const mon_cmd_t
*cmd_table
,
3526 const char *cmdname
;
3528 const char *ptype
, *str
, *name
;
3529 const mon_cmd_t
*cmd
;
3530 BlockBackend
*blk
= NULL
;
3533 /* command completion */
3538 readline_set_completion_index(mon
->rs
, strlen(cmdname
));
3539 for (cmd
= cmd_table
; cmd
->name
!= NULL
; cmd
++) {
3540 cmd_completion(mon
, cmdname
, cmd
->name
);
3543 /* find the command */
3544 for (cmd
= cmd_table
; cmd
->name
!= NULL
; cmd
++) {
3545 if (compare_cmd(args
[0], cmd
->name
)) {
3553 if (cmd
->sub_table
) {
3554 /* do the job again */
3555 monitor_find_completion_by_table(mon
, cmd
->sub_table
,
3556 &args
[1], nb_args
- 1);
3559 if (cmd
->command_completion
) {
3560 cmd
->command_completion(mon
->rs
, nb_args
, args
[nb_args
- 1]);
3564 ptype
= next_arg_type(cmd
->args_type
);
3565 for(i
= 0; i
< nb_args
- 2; i
++) {
3566 if (*ptype
!= '\0') {
3567 ptype
= next_arg_type(ptype
);
3568 while (*ptype
== '?')
3569 ptype
= next_arg_type(ptype
);
3572 str
= args
[nb_args
- 1];
3573 while (*ptype
== '-' && ptype
[1] != '\0') {
3574 ptype
= next_arg_type(ptype
);
3578 /* file completion */
3579 readline_set_completion_index(mon
->rs
, strlen(str
));
3580 file_completion(mon
, str
);
3583 /* block device name completion */
3584 readline_set_completion_index(mon
->rs
, strlen(str
));
3585 while ((blk
= blk_next(blk
)) != NULL
) {
3586 name
= blk_name(blk
);
3587 if (str
[0] == '\0' ||
3588 !strncmp(name
, str
, strlen(str
))) {
3589 readline_add_completion(mon
->rs
, name
);
3595 if (!strcmp(cmd
->name
, "help|?")) {
3596 monitor_find_completion_by_table(mon
, cmd_table
,
3597 &args
[1], nb_args
- 1);
3606 static void monitor_find_completion(void *opaque
,
3607 const char *cmdline
)
3609 Monitor
*mon
= opaque
;
3610 char *args
[MAX_ARGS
];
3613 /* 1. parse the cmdline */
3614 if (parse_cmdline(cmdline
, &nb_args
, args
) < 0) {
3618 /* if the line ends with a space, it means we want to complete the
3620 len
= strlen(cmdline
);
3621 if (len
> 0 && qemu_isspace(cmdline
[len
- 1])) {
3622 if (nb_args
>= MAX_ARGS
) {
3625 args
[nb_args
++] = g_strdup("");
3628 /* 2. auto complete according to args */
3629 monitor_find_completion_by_table(mon
, mon
->cmd_table
, args
, nb_args
);
3632 free_cmdline_args(args
, nb_args
);
3635 static int monitor_can_read(void *opaque
)
3637 Monitor
*mon
= opaque
;
3639 return (mon
->suspend_cnt
== 0) ? 1 : 0;
3642 static bool invalid_qmp_mode(const Monitor
*mon
, const char *cmd
,
3645 bool is_cap
= g_str_equal(cmd
, "qmp_capabilities");
3647 if (is_cap
&& mon
->qmp
.in_command_mode
) {
3648 error_set(errp
, ERROR_CLASS_COMMAND_NOT_FOUND
,
3649 "Capabilities negotiation is already complete, command "
3650 "'%s' ignored", cmd
);
3653 if (!is_cap
&& !mon
->qmp
.in_command_mode
) {
3654 error_set(errp
, ERROR_CLASS_COMMAND_NOT_FOUND
,
3655 "Expecting capabilities negotiation with "
3656 "'qmp_capabilities' before command '%s'", cmd
);
3663 * Input object checking rules
3665 * 1. Input object must be a dict
3666 * 2. The "execute" key must exist
3667 * 3. The "execute" key must be a string
3668 * 4. If the "arguments" key exists, it must be a dict
3669 * 5. If the "id" key exists, it can be anything (ie. json-value)
3670 * 6. Any argument not listed above is considered invalid
3672 static QDict
*qmp_check_input_obj(QObject
*input_obj
, Error
**errp
)
3674 const QDictEntry
*ent
;
3675 int has_exec_key
= 0;
3678 if (qobject_type(input_obj
) != QTYPE_QDICT
) {
3679 error_setg(errp
, QERR_QMP_BAD_INPUT_OBJECT
, "object");
3683 input_dict
= qobject_to_qdict(input_obj
);
3685 for (ent
= qdict_first(input_dict
); ent
; ent
= qdict_next(input_dict
, ent
)){
3686 const char *arg_name
= qdict_entry_key(ent
);
3687 const QObject
*arg_obj
= qdict_entry_value(ent
);
3689 if (!strcmp(arg_name
, "execute")) {
3690 if (qobject_type(arg_obj
) != QTYPE_QSTRING
) {
3691 error_setg(errp
, QERR_QMP_BAD_INPUT_OBJECT_MEMBER
,
3692 "execute", "string");
3696 } else if (!strcmp(arg_name
, "arguments")) {
3697 if (qobject_type(arg_obj
) != QTYPE_QDICT
) {
3698 error_setg(errp
, QERR_QMP_BAD_INPUT_OBJECT_MEMBER
,
3699 "arguments", "object");
3702 } else if (!strcmp(arg_name
, "id")) {
3703 /* Any string is acceptable as "id", so nothing to check */
3705 error_setg(errp
, QERR_QMP_EXTRA_MEMBER
, arg_name
);
3710 if (!has_exec_key
) {
3711 error_setg(errp
, QERR_QMP_BAD_INPUT_OBJECT
, "execute");
3718 static void handle_qmp_command(JSONMessageParser
*parser
, GQueue
*tokens
)
3720 QObject
*req
, *rsp
= NULL
, *id
= NULL
;
3721 QDict
*qdict
= NULL
;
3722 const char *cmd_name
;
3723 Monitor
*mon
= cur_mon
;
3726 req
= json_parser_parse_err(tokens
, NULL
, &err
);
3727 if (err
|| !req
|| qobject_type(req
) != QTYPE_QDICT
) {
3729 error_setg(&err
, QERR_JSON_PARSING
);
3734 qdict
= qmp_check_input_obj(req
, &err
);
3739 id
= qdict_get(qdict
, "id");
3741 qdict_del(qdict
, "id");
3743 cmd_name
= qdict_get_str(qdict
, "execute");
3744 trace_handle_qmp_command(mon
, cmd_name
);
3746 if (invalid_qmp_mode(mon
, cmd_name
, &err
)) {
3750 rsp
= qmp_dispatch(req
);
3754 qdict
= qdict_new();
3755 qdict_put_obj(qdict
, "error", qmp_build_error_object(err
));
3757 rsp
= QOBJECT(qdict
);
3762 qdict_put_obj(qobject_to_qdict(rsp
), "id", id
);
3766 monitor_json_emitter(mon
, rsp
);
3770 qobject_decref(rsp
);
3771 qobject_decref(req
);
3774 static void monitor_qmp_read(void *opaque
, const uint8_t *buf
, int size
)
3776 Monitor
*old_mon
= cur_mon
;
3780 json_message_parser_feed(&cur_mon
->qmp
.parser
, (const char *) buf
, size
);
3785 static void monitor_read(void *opaque
, const uint8_t *buf
, int size
)
3787 Monitor
*old_mon
= cur_mon
;
3793 for (i
= 0; i
< size
; i
++)
3794 readline_handle_byte(cur_mon
->rs
, buf
[i
]);
3796 if (size
== 0 || buf
[size
- 1] != 0)
3797 monitor_printf(cur_mon
, "corrupted command\n");
3799 handle_hmp_command(cur_mon
, (char *)buf
);
3805 static void monitor_command_cb(void *opaque
, const char *cmdline
,
3806 void *readline_opaque
)
3808 Monitor
*mon
= opaque
;
3810 monitor_suspend(mon
);
3811 handle_hmp_command(mon
, cmdline
);
3812 monitor_resume(mon
);
3815 int monitor_suspend(Monitor
*mon
)
3823 void monitor_resume(Monitor
*mon
)
3827 if (--mon
->suspend_cnt
== 0)
3828 readline_show_prompt(mon
->rs
);
3831 static QObject
*get_qmp_greeting(void)
3833 QObject
*ver
= NULL
;
3835 qmp_marshal_query_version(NULL
, &ver
, NULL
);
3837 return qobject_from_jsonf("{'QMP': {'version': %p, 'capabilities': []}}",
3841 static void monitor_qmp_event(void *opaque
, int event
)
3844 Monitor
*mon
= opaque
;
3847 case CHR_EVENT_OPENED
:
3848 mon
->qmp
.in_command_mode
= false;
3849 data
= get_qmp_greeting();
3850 monitor_json_emitter(mon
, data
);
3851 qobject_decref(data
);
3854 case CHR_EVENT_CLOSED
:
3855 json_message_parser_destroy(&mon
->qmp
.parser
);
3856 json_message_parser_init(&mon
->qmp
.parser
, handle_qmp_command
);
3858 monitor_fdsets_cleanup();
3863 static void monitor_event(void *opaque
, int event
)
3865 Monitor
*mon
= opaque
;
3868 case CHR_EVENT_MUX_IN
:
3869 qemu_mutex_lock(&mon
->out_lock
);
3871 qemu_mutex_unlock(&mon
->out_lock
);
3872 if (mon
->reset_seen
) {
3873 readline_restart(mon
->rs
);
3874 monitor_resume(mon
);
3877 mon
->suspend_cnt
= 0;
3881 case CHR_EVENT_MUX_OUT
:
3882 if (mon
->reset_seen
) {
3883 if (mon
->suspend_cnt
== 0) {
3884 monitor_printf(mon
, "\n");
3887 monitor_suspend(mon
);
3891 qemu_mutex_lock(&mon
->out_lock
);
3893 qemu_mutex_unlock(&mon
->out_lock
);
3896 case CHR_EVENT_OPENED
:
3897 monitor_printf(mon
, "QEMU %s monitor - type 'help' for more "
3898 "information\n", QEMU_VERSION
);
3899 if (!mon
->mux_out
) {
3900 readline_restart(mon
->rs
);
3901 readline_show_prompt(mon
->rs
);
3903 mon
->reset_seen
= 1;
3907 case CHR_EVENT_CLOSED
:
3909 monitor_fdsets_cleanup();
3915 compare_mon_cmd(const void *a
, const void *b
)
3917 return strcmp(((const mon_cmd_t
*)a
)->name
,
3918 ((const mon_cmd_t
*)b
)->name
);
3921 static void sortcmdlist(void)
3924 int elem_size
= sizeof(mon_cmd_t
);
3926 array_num
= sizeof(mon_cmds
)/elem_size
-1;
3927 qsort((void *)mon_cmds
, array_num
, elem_size
, compare_mon_cmd
);
3929 array_num
= sizeof(info_cmds
)/elem_size
-1;
3930 qsort((void *)info_cmds
, array_num
, elem_size
, compare_mon_cmd
);
3933 /* These functions just adapt the readline interface in a typesafe way. We
3934 * could cast function pointers but that discards compiler checks.
3936 static void GCC_FMT_ATTR(2, 3) monitor_readline_printf(void *opaque
,
3937 const char *fmt
, ...)
3941 monitor_vprintf(opaque
, fmt
, ap
);
3945 static void monitor_readline_flush(void *opaque
)
3947 monitor_flush(opaque
);
3950 static void __attribute__((constructor
)) monitor_lock_init(void)
3952 qemu_mutex_init(&monitor_lock
);
3955 void monitor_init(CharDriverState
*chr
, int flags
)
3957 static int is_first_init
= 1;
3960 if (is_first_init
) {
3961 monitor_qapi_event_init();
3966 mon
= g_malloc(sizeof(*mon
));
3967 monitor_data_init(mon
);
3971 if (flags
& MONITOR_USE_READLINE
) {
3972 mon
->rs
= readline_init(monitor_readline_printf
,
3973 monitor_readline_flush
,
3975 monitor_find_completion
);
3976 monitor_read_command(mon
, 0);
3979 if (monitor_is_qmp(mon
)) {
3980 qemu_chr_add_handlers(chr
, monitor_can_read
, monitor_qmp_read
,
3981 monitor_qmp_event
, mon
);
3982 qemu_chr_fe_set_echo(chr
, true);
3983 json_message_parser_init(&mon
->qmp
.parser
, handle_qmp_command
);
3985 qemu_chr_add_handlers(chr
, monitor_can_read
, monitor_read
,
3986 monitor_event
, mon
);
3989 qemu_mutex_lock(&monitor_lock
);
3990 QLIST_INSERT_HEAD(&mon_list
, mon
, entry
);
3991 qemu_mutex_unlock(&monitor_lock
);
3994 void monitor_cleanup(void)
3996 Monitor
*mon
, *next
;
3998 qemu_mutex_lock(&monitor_lock
);
3999 QLIST_FOREACH_SAFE(mon
, &mon_list
, entry
, next
) {
4000 QLIST_REMOVE(mon
, entry
);
4001 monitor_data_destroy(mon
);
4004 qemu_mutex_unlock(&monitor_lock
);
4007 static void bdrv_password_cb(void *opaque
, const char *password
,
4008 void *readline_opaque
)
4010 Monitor
*mon
= opaque
;
4011 BlockDriverState
*bs
= readline_opaque
;
4013 Error
*local_err
= NULL
;
4015 bdrv_add_key(bs
, password
, &local_err
);
4017 error_report_err(local_err
);
4020 if (mon
->password_completion_cb
)
4021 mon
->password_completion_cb(mon
->password_opaque
, ret
);
4023 monitor_read_command(mon
, 1);
4026 int monitor_read_bdrv_key_start(Monitor
*mon
, BlockDriverState
*bs
,
4027 BlockCompletionFunc
*completion_cb
,
4032 monitor_printf(mon
, "%s (%s) is encrypted.\n", bdrv_get_device_name(bs
),
4033 bdrv_get_encrypted_filename(bs
));
4035 mon
->password_completion_cb
= completion_cb
;
4036 mon
->password_opaque
= opaque
;
4038 err
= monitor_read_password(mon
, bdrv_password_cb
, bs
);
4040 if (err
&& completion_cb
)
4041 completion_cb(opaque
, err
);
4046 int monitor_read_block_device_key(Monitor
*mon
, const char *device
,
4047 BlockCompletionFunc
*completion_cb
,
4053 blk
= blk_by_name(device
);
4055 monitor_printf(mon
, "Device not found %s\n", device
);
4059 monitor_printf(mon
, "Device '%s' has no medium\n", device
);
4063 bdrv_add_key(blk_bs(blk
), NULL
, &err
);
4066 return monitor_read_bdrv_key_start(mon
, blk_bs(blk
), completion_cb
, opaque
);
4069 if (completion_cb
) {
4070 completion_cb(opaque
, 0);
4075 QemuOptsList qemu_mon_opts
= {
4077 .implied_opt_name
= "chardev",
4078 .head
= QTAILQ_HEAD_INITIALIZER(qemu_mon_opts
.head
),
4082 .type
= QEMU_OPT_STRING
,
4085 .type
= QEMU_OPT_STRING
,
4088 .type
= QEMU_OPT_BOOL
,
4091 .type
= QEMU_OPT_BOOL
,
4093 { /* end of list */ }
4098 void qmp_rtc_reset_reinjection(Error
**errp
)
4100 error_setg(errp
, QERR_FEATURE_DISABLED
, "rtc-reset-reinjection");
4104 #ifndef TARGET_S390X
4105 void qmp_dump_skeys(const char *filename
, Error
**errp
)
4107 error_setg(errp
, QERR_FEATURE_DISABLED
, "dump-skeys");
4112 GICCapabilityList
*qmp_query_gic_capabilities(Error
**errp
)
4114 error_setg(errp
, QERR_FEATURE_DISABLED
, "query-gic-capabilities");
4119 HotpluggableCPUList
*qmp_query_hotpluggable_cpus(Error
**errp
)
4121 MachineState
*ms
= MACHINE(qdev_get_machine());
4122 MachineClass
*mc
= MACHINE_GET_CLASS(ms
);
4124 if (!mc
->query_hotpluggable_cpus
) {
4125 error_setg(errp
, QERR_FEATURE_DISABLED
, "query-hotpluggable-cpus");
4129 return mc
->query_hotpluggable_cpus(ms
);