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/config-file.h"
44 #include "qemu/readline.h"
45 #include "ui/console.h"
47 #include "sysemu/blockdev.h"
48 #include "sysemu/block-backend.h"
49 #include "audio/audio.h"
50 #include "disas/disas.h"
51 #include "sysemu/balloon.h"
52 #include "qemu/timer.h"
53 #include "migration/migration.h"
54 #include "sysemu/hw_accel.h"
56 #include "sysemu/tpm.h"
57 #include "qapi/qmp/qerror.h"
58 #include "qapi/qmp/types.h"
59 #include "qapi/qmp/qjson.h"
60 #include "qapi/qmp/json-streamer.h"
61 #include "qapi/qmp/json-parser.h"
62 #include "qom/object_interfaces.h"
63 #include "trace-root.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/qtest.h"
80 #include "sysemu/cpus.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 QmpCommandList
*commands
;
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
;
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
[];
225 QmpCommandList qmp_commands
, qmp_cap_negotiation_commands
;
229 static QEMUClockType event_clock_type
= QEMU_CLOCK_REALTIME
;
231 static void monitor_command_cb(void *opaque
, const char *cmdline
,
232 void *readline_opaque
);
235 * Is @mon a QMP monitor?
237 static inline bool monitor_is_qmp(const Monitor
*mon
)
239 return (mon
->flags
& MONITOR_USE_CONTROL
);
243 * Is the current monitor, if any, a QMP monitor?
245 bool monitor_cur_is_qmp(void)
247 return cur_mon
&& monitor_is_qmp(cur_mon
);
250 void monitor_read_command(Monitor
*mon
, int show_prompt
)
255 readline_start(mon
->rs
, "(qemu) ", 0, monitor_command_cb
, NULL
);
257 readline_show_prompt(mon
->rs
);
260 int monitor_read_password(Monitor
*mon
, ReadLineFunc
*readline_func
,
264 readline_start(mon
->rs
, "Password: ", 1, readline_func
, opaque
);
265 /* prompt is printed on return from the command handler */
268 monitor_printf(mon
, "terminal does not support password prompting\n");
273 static void monitor_flush_locked(Monitor
*mon
);
275 static gboolean
monitor_unblocked(GIOChannel
*chan
, GIOCondition cond
,
278 Monitor
*mon
= opaque
;
280 qemu_mutex_lock(&mon
->out_lock
);
282 monitor_flush_locked(mon
);
283 qemu_mutex_unlock(&mon
->out_lock
);
287 /* Called with mon->out_lock held. */
288 static void monitor_flush_locked(Monitor
*mon
)
294 if (mon
->skip_flush
) {
298 buf
= qstring_get_str(mon
->outbuf
);
299 len
= qstring_get_length(mon
->outbuf
);
301 if (len
&& !mon
->mux_out
) {
302 rc
= qemu_chr_fe_write(&mon
->chr
, (const uint8_t *) buf
, len
);
303 if ((rc
< 0 && errno
!= EAGAIN
) || (rc
== len
)) {
304 /* all flushed or error */
305 QDECREF(mon
->outbuf
);
306 mon
->outbuf
= qstring_new();
311 QString
*tmp
= qstring_from_str(buf
+ rc
);
312 QDECREF(mon
->outbuf
);
315 if (mon
->out_watch
== 0) {
317 qemu_chr_fe_add_watch(&mon
->chr
, G_IO_OUT
| G_IO_HUP
,
318 monitor_unblocked
, mon
);
323 void monitor_flush(Monitor
*mon
)
325 qemu_mutex_lock(&mon
->out_lock
);
326 monitor_flush_locked(mon
);
327 qemu_mutex_unlock(&mon
->out_lock
);
330 /* flush at every end of line */
331 static void monitor_puts(Monitor
*mon
, const char *str
)
335 qemu_mutex_lock(&mon
->out_lock
);
341 qstring_append_chr(mon
->outbuf
, '\r');
343 qstring_append_chr(mon
->outbuf
, c
);
345 monitor_flush_locked(mon
);
348 qemu_mutex_unlock(&mon
->out_lock
);
351 void monitor_vprintf(Monitor
*mon
, const char *fmt
, va_list ap
)
358 if (monitor_is_qmp(mon
)) {
362 buf
= g_strdup_vprintf(fmt
, ap
);
363 monitor_puts(mon
, buf
);
367 void monitor_printf(Monitor
*mon
, const char *fmt
, ...)
371 monitor_vprintf(mon
, fmt
, ap
);
375 int monitor_fprintf(FILE *stream
, const char *fmt
, ...)
379 monitor_vprintf((Monitor
*)stream
, fmt
, ap
);
384 static void monitor_json_emitter(Monitor
*mon
, const QObject
*data
)
388 json
= mon
->flags
& MONITOR_USE_PRETTY
? qobject_to_json_pretty(data
) :
389 qobject_to_json(data
);
390 assert(json
!= NULL
);
392 qstring_append_chr(json
, '\n');
393 monitor_puts(mon
, qstring_get_str(json
));
398 static MonitorQAPIEventConf monitor_qapi_event_conf
[QAPI_EVENT__MAX
] = {
399 /* Limit guest-triggerable events to 1 per second */
400 [QAPI_EVENT_RTC_CHANGE
] = { 1000 * SCALE_MS
},
401 [QAPI_EVENT_WATCHDOG
] = { 1000 * SCALE_MS
},
402 [QAPI_EVENT_BALLOON_CHANGE
] = { 1000 * SCALE_MS
},
403 [QAPI_EVENT_QUORUM_REPORT_BAD
] = { 1000 * SCALE_MS
},
404 [QAPI_EVENT_QUORUM_FAILURE
] = { 1000 * SCALE_MS
},
405 [QAPI_EVENT_VSERPORT_CHANGE
] = { 1000 * SCALE_MS
},
408 GHashTable
*monitor_qapi_event_state
;
411 * Emits the event to every monitor instance, @event is only used for trace
412 * Called with monitor_lock held.
414 static void monitor_qapi_event_emit(QAPIEvent event
, QDict
*qdict
)
418 trace_monitor_protocol_event_emit(event
, qdict
);
419 QLIST_FOREACH(mon
, &mon_list
, entry
) {
420 if (monitor_is_qmp(mon
)
421 && mon
->qmp
.commands
!= &qmp_cap_negotiation_commands
) {
422 monitor_json_emitter(mon
, QOBJECT(qdict
));
427 static void monitor_qapi_event_handler(void *opaque
);
430 * Queue a new event for emission to Monitor instances,
431 * applying any rate limiting if required.
434 monitor_qapi_event_queue(QAPIEvent event
, QDict
*qdict
, Error
**errp
)
436 MonitorQAPIEventConf
*evconf
;
437 MonitorQAPIEventState
*evstate
;
439 assert(event
< QAPI_EVENT__MAX
);
440 evconf
= &monitor_qapi_event_conf
[event
];
441 trace_monitor_protocol_event_queue(event
, qdict
, evconf
->rate
);
443 qemu_mutex_lock(&monitor_lock
);
446 /* Unthrottled event */
447 monitor_qapi_event_emit(event
, qdict
);
449 QDict
*data
= qobject_to_qdict(qdict_get(qdict
, "data"));
450 MonitorQAPIEventState key
= { .event
= event
, .data
= data
};
452 evstate
= g_hash_table_lookup(monitor_qapi_event_state
, &key
);
453 assert(!evstate
|| timer_pending(evstate
->timer
));
457 * Timer is pending for (at least) evconf->rate ns after
458 * last send. Store event for sending when timer fires,
459 * replacing a prior stored event if any.
461 QDECREF(evstate
->qdict
);
462 evstate
->qdict
= qdict
;
463 QINCREF(evstate
->qdict
);
466 * Last send was (at least) evconf->rate ns ago.
467 * Send immediately, and arm the timer to call
468 * monitor_qapi_event_handler() in evconf->rate ns. Any
469 * events arriving before then will be delayed until then.
471 int64_t now
= qemu_clock_get_ns(event_clock_type
);
473 monitor_qapi_event_emit(event
, qdict
);
475 evstate
= g_new(MonitorQAPIEventState
, 1);
476 evstate
->event
= event
;
477 evstate
->data
= data
;
478 QINCREF(evstate
->data
);
479 evstate
->qdict
= NULL
;
480 evstate
->timer
= timer_new_ns(event_clock_type
,
481 monitor_qapi_event_handler
,
483 g_hash_table_add(monitor_qapi_event_state
, evstate
);
484 timer_mod_ns(evstate
->timer
, now
+ evconf
->rate
);
488 qemu_mutex_unlock(&monitor_lock
);
492 * This function runs evconf->rate ns after sending a throttled
494 * If another event has since been stored, send it.
496 static void monitor_qapi_event_handler(void *opaque
)
498 MonitorQAPIEventState
*evstate
= opaque
;
499 MonitorQAPIEventConf
*evconf
= &monitor_qapi_event_conf
[evstate
->event
];
501 trace_monitor_protocol_event_handler(evstate
->event
, evstate
->qdict
);
502 qemu_mutex_lock(&monitor_lock
);
504 if (evstate
->qdict
) {
505 int64_t now
= qemu_clock_get_ns(event_clock_type
);
507 monitor_qapi_event_emit(evstate
->event
, evstate
->qdict
);
508 QDECREF(evstate
->qdict
);
509 evstate
->qdict
= NULL
;
510 timer_mod_ns(evstate
->timer
, now
+ evconf
->rate
);
512 g_hash_table_remove(monitor_qapi_event_state
, evstate
);
513 QDECREF(evstate
->data
);
514 timer_free(evstate
->timer
);
518 qemu_mutex_unlock(&monitor_lock
);
521 static unsigned int qapi_event_throttle_hash(const void *key
)
523 const MonitorQAPIEventState
*evstate
= key
;
524 unsigned int hash
= evstate
->event
* 255;
526 if (evstate
->event
== QAPI_EVENT_VSERPORT_CHANGE
) {
527 hash
+= g_str_hash(qdict_get_str(evstate
->data
, "id"));
530 if (evstate
->event
== QAPI_EVENT_QUORUM_REPORT_BAD
) {
531 hash
+= g_str_hash(qdict_get_str(evstate
->data
, "node-name"));
537 static gboolean
qapi_event_throttle_equal(const void *a
, const void *b
)
539 const MonitorQAPIEventState
*eva
= a
;
540 const MonitorQAPIEventState
*evb
= b
;
542 if (eva
->event
!= evb
->event
) {
546 if (eva
->event
== QAPI_EVENT_VSERPORT_CHANGE
) {
547 return !strcmp(qdict_get_str(eva
->data
, "id"),
548 qdict_get_str(evb
->data
, "id"));
551 if (eva
->event
== QAPI_EVENT_QUORUM_REPORT_BAD
) {
552 return !strcmp(qdict_get_str(eva
->data
, "node-name"),
553 qdict_get_str(evb
->data
, "node-name"));
559 static void monitor_qapi_event_init(void)
561 if (qtest_enabled()) {
562 event_clock_type
= QEMU_CLOCK_VIRTUAL
;
565 monitor_qapi_event_state
= g_hash_table_new(qapi_event_throttle_hash
,
566 qapi_event_throttle_equal
);
567 qmp_event_set_func_emit(monitor_qapi_event_queue
);
570 static void handle_hmp_command(Monitor
*mon
, const char *cmdline
);
572 static void monitor_data_init(Monitor
*mon
)
574 memset(mon
, 0, sizeof(Monitor
));
575 qemu_mutex_init(&mon
->out_lock
);
576 mon
->outbuf
= qstring_new();
577 /* Use *mon_cmds by default. */
578 mon
->cmd_table
= mon_cmds
;
581 static void monitor_data_destroy(Monitor
*mon
)
583 qemu_chr_fe_deinit(&mon
->chr
);
584 if (monitor_is_qmp(mon
)) {
585 json_message_parser_destroy(&mon
->qmp
.parser
);
588 QDECREF(mon
->outbuf
);
589 qemu_mutex_destroy(&mon
->out_lock
);
592 char *qmp_human_monitor_command(const char *command_line
, bool has_cpu_index
,
593 int64_t cpu_index
, Error
**errp
)
596 Monitor
*old_mon
, hmp
;
598 monitor_data_init(&hmp
);
599 hmp
.skip_flush
= true;
605 int ret
= monitor_set_cpu(cpu_index
);
608 error_setg(errp
, QERR_INVALID_PARAMETER_VALUE
, "cpu-index",
614 handle_hmp_command(&hmp
, command_line
);
617 qemu_mutex_lock(&hmp
.out_lock
);
618 if (qstring_get_length(hmp
.outbuf
) > 0) {
619 output
= g_strdup(qstring_get_str(hmp
.outbuf
));
621 output
= g_strdup("");
623 qemu_mutex_unlock(&hmp
.out_lock
);
626 monitor_data_destroy(&hmp
);
630 static int compare_cmd(const char *name
, const char *list
)
632 const char *p
, *pstart
;
640 p
= pstart
+ strlen(pstart
);
641 if ((p
- pstart
) == len
&& !memcmp(pstart
, name
, len
))
650 static int get_str(char *buf
, int buf_size
, const char **pp
)
658 while (qemu_isspace(*p
)) {
669 while (*p
!= '\0' && *p
!= '\"') {
685 printf("unsupported escape code: '\\%c'\n", c
);
688 if ((q
- buf
) < buf_size
- 1) {
692 if ((q
- buf
) < buf_size
- 1) {
699 printf("unterminated string\n");
704 while (*p
!= '\0' && !qemu_isspace(*p
)) {
705 if ((q
- buf
) < buf_size
- 1) {
718 static void free_cmdline_args(char **args
, int nb_args
)
722 assert(nb_args
<= MAX_ARGS
);
724 for (i
= 0; i
< nb_args
; i
++) {
731 * Parse the command line to get valid args.
732 * @cmdline: command line to be parsed.
733 * @pnb_args: location to store the number of args, must NOT be NULL.
734 * @args: location to store the args, which should be freed by caller, must
737 * Returns 0 on success, negative on failure.
739 * NOTE: this parser is an approximate form of the real command parser. Number
740 * of args have a limit of MAX_ARGS. If cmdline contains more, it will
741 * return with failure.
743 static int parse_cmdline(const char *cmdline
,
744 int *pnb_args
, char **args
)
753 while (qemu_isspace(*p
)) {
759 if (nb_args
>= MAX_ARGS
) {
762 ret
= get_str(buf
, sizeof(buf
), &p
);
766 args
[nb_args
] = g_strdup(buf
);
773 free_cmdline_args(args
, nb_args
);
777 static void help_cmd_dump_one(Monitor
*mon
,
778 const mon_cmd_t
*cmd
,
784 for (i
= 0; i
< prefix_args_nb
; i
++) {
785 monitor_printf(mon
, "%s ", prefix_args
[i
]);
787 monitor_printf(mon
, "%s %s -- %s\n", cmd
->name
, cmd
->params
, cmd
->help
);
790 /* @args[@arg_index] is the valid command need to find in @cmds */
791 static void help_cmd_dump(Monitor
*mon
, const mon_cmd_t
*cmds
,
792 char **args
, int nb_args
, int arg_index
)
794 const mon_cmd_t
*cmd
;
796 /* No valid arg need to compare with, dump all in *cmds */
797 if (arg_index
>= nb_args
) {
798 for (cmd
= cmds
; cmd
->name
!= NULL
; cmd
++) {
799 help_cmd_dump_one(mon
, cmd
, args
, arg_index
);
804 /* Find one entry to dump */
805 for (cmd
= cmds
; cmd
->name
!= NULL
; cmd
++) {
806 if (compare_cmd(args
[arg_index
], cmd
->name
)) {
807 if (cmd
->sub_table
) {
808 /* continue with next arg */
809 help_cmd_dump(mon
, cmd
->sub_table
,
810 args
, nb_args
, arg_index
+ 1);
812 help_cmd_dump_one(mon
, cmd
, args
, arg_index
);
819 static void help_cmd(Monitor
*mon
, const char *name
)
821 char *args
[MAX_ARGS
];
824 /* 1. parse user input */
826 /* special case for log, directly dump and return */
827 if (!strcmp(name
, "log")) {
828 const QEMULogItem
*item
;
829 monitor_printf(mon
, "Log items (comma separated):\n");
830 monitor_printf(mon
, "%-10s %s\n", "none", "remove all logs");
831 for (item
= qemu_log_items
; item
->mask
!= 0; item
++) {
832 monitor_printf(mon
, "%-10s %s\n", item
->name
, item
->help
);
837 if (parse_cmdline(name
, &nb_args
, args
) < 0) {
842 /* 2. dump the contents according to parsed args */
843 help_cmd_dump(mon
, mon
->cmd_table
, args
, nb_args
, 0);
845 free_cmdline_args(args
, nb_args
);
848 static void do_help_cmd(Monitor
*mon
, const QDict
*qdict
)
850 help_cmd(mon
, qdict_get_try_str(qdict
, "name"));
853 static void hmp_trace_event(Monitor
*mon
, const QDict
*qdict
)
855 const char *tp_name
= qdict_get_str(qdict
, "name");
856 bool new_state
= qdict_get_bool(qdict
, "option");
857 bool has_vcpu
= qdict_haskey(qdict
, "vcpu");
858 int vcpu
= qdict_get_try_int(qdict
, "vcpu", 0);
859 Error
*local_err
= NULL
;
862 monitor_printf(mon
, "argument vcpu must be positive");
866 qmp_trace_event_set_state(tp_name
, new_state
, true, true, has_vcpu
, vcpu
, &local_err
);
868 error_report_err(local_err
);
872 #ifdef CONFIG_TRACE_SIMPLE
873 static void hmp_trace_file(Monitor
*mon
, const QDict
*qdict
)
875 const char *op
= qdict_get_try_str(qdict
, "op");
876 const char *arg
= qdict_get_try_str(qdict
, "arg");
879 st_print_trace_file_status((FILE *)mon
, &monitor_fprintf
);
880 } else if (!strcmp(op
, "on")) {
881 st_set_trace_file_enabled(true);
882 } else if (!strcmp(op
, "off")) {
883 st_set_trace_file_enabled(false);
884 } else if (!strcmp(op
, "flush")) {
885 st_flush_trace_buffer();
886 } else if (!strcmp(op
, "set")) {
888 st_set_trace_file(arg
);
891 monitor_printf(mon
, "unexpected argument \"%s\"\n", op
);
892 help_cmd(mon
, "trace-file");
897 static void hmp_info_help(Monitor
*mon
, const QDict
*qdict
)
899 help_cmd(mon
, "info");
902 static void query_commands_cb(QmpCommand
*cmd
, void *opaque
)
904 CommandInfoList
*info
, **list
= opaque
;
910 info
= g_malloc0(sizeof(*info
));
911 info
->value
= g_malloc0(sizeof(*info
->value
));
912 info
->value
->name
= g_strdup(cmd
->name
);
917 CommandInfoList
*qmp_query_commands(Error
**errp
)
919 CommandInfoList
*list
= NULL
;
921 qmp_for_each_command(cur_mon
->qmp
.commands
, query_commands_cb
, &list
);
926 EventInfoList
*qmp_query_events(Error
**errp
)
928 EventInfoList
*info
, *ev_list
= NULL
;
931 for (e
= 0 ; e
< QAPI_EVENT__MAX
; e
++) {
932 const char *event_name
= QAPIEvent_lookup
[e
];
933 assert(event_name
!= NULL
);
934 info
= g_malloc0(sizeof(*info
));
935 info
->value
= g_malloc0(sizeof(*info
->value
));
936 info
->value
->name
= g_strdup(event_name
);
938 info
->next
= ev_list
;
946 * Minor hack: generated marshalling suppressed for this command
947 * ('gen': false in the schema) so we can parse the JSON string
948 * directly into QObject instead of first parsing it with
949 * visit_type_SchemaInfoList() into a SchemaInfoList, then marshal it
950 * to QObject with generated output marshallers, every time. Instead,
951 * we do it in test-qobject-input-visitor.c, just to make sure
952 * qapi-introspect.py's output actually conforms to the schema.
954 static void qmp_query_qmp_schema(QDict
*qdict
, QObject
**ret_data
,
957 *ret_data
= qobject_from_json(qmp_schema_json
, &error_abort
);
961 * We used to define commands in qmp-commands.hx in addition to the
962 * QAPI schema. This permitted defining some of them only in certain
963 * configurations. query-commands has always reflected that (good,
964 * because it lets QMP clients figure out what's actually available),
965 * while query-qmp-schema never did (not so good). This function is a
966 * hack to keep the configuration-specific commands defined exactly as
967 * before, even though qmp-commands.hx is gone.
969 * FIXME Educate the QAPI schema on configuration-specific commands,
970 * and drop this hack.
972 static void qmp_unregister_commands_hack(void)
975 qmp_unregister_command(&qmp_commands
, "query-spice");
977 #ifndef CONFIG_REPLICATION
978 qmp_unregister_command(&qmp_commands
, "xen-set-replication");
979 qmp_unregister_command(&qmp_commands
, "query-xen-replication-status");
980 qmp_unregister_command(&qmp_commands
, "xen-colo-do-checkpoint");
983 qmp_unregister_command(&qmp_commands
, "rtc-reset-reinjection");
986 qmp_unregister_command(&qmp_commands
, "dump-skeys");
989 qmp_unregister_command(&qmp_commands
, "query-gic-capabilities");
991 #if !defined(TARGET_S390X) && !defined(TARGET_I386)
992 qmp_unregister_command(&qmp_commands
, "query-cpu-model-expansion");
994 #if !defined(TARGET_S390X)
995 qmp_unregister_command(&qmp_commands
, "query-cpu-model-baseline");
996 qmp_unregister_command(&qmp_commands
, "query-cpu-model-comparison");
998 #if !defined(TARGET_PPC) && !defined(TARGET_ARM) && !defined(TARGET_I386) \
999 && !defined(TARGET_S390X)
1000 qmp_unregister_command(&qmp_commands
, "query-cpu-definitions");
1004 void monitor_init_qmp_commands(void)
1007 * Two command lists:
1008 * - qmp_commands contains all QMP commands
1009 * - qmp_cap_negotiation_commands contains just
1010 * "qmp_capabilities", to enforce capability negotiation
1013 qmp_init_marshal(&qmp_commands
);
1015 qmp_register_command(&qmp_commands
, "query-qmp-schema",
1016 qmp_query_qmp_schema
,
1018 qmp_register_command(&qmp_commands
, "device_add", qmp_device_add
,
1020 qmp_register_command(&qmp_commands
, "netdev_add", qmp_netdev_add
,
1023 qmp_unregister_commands_hack();
1025 QTAILQ_INIT(&qmp_cap_negotiation_commands
);
1026 qmp_register_command(&qmp_cap_negotiation_commands
, "qmp_capabilities",
1027 qmp_marshal_qmp_capabilities
, QCO_NO_OPTIONS
);
1030 void qmp_qmp_capabilities(Error
**errp
)
1032 if (cur_mon
->qmp
.commands
== &qmp_commands
) {
1033 error_set(errp
, ERROR_CLASS_COMMAND_NOT_FOUND
,
1034 "Capabilities negotiation is already complete, command "
1039 cur_mon
->qmp
.commands
= &qmp_commands
;
1042 /* set the current CPU defined by the user */
1043 int monitor_set_cpu(int cpu_index
)
1047 cpu
= qemu_get_cpu(cpu_index
);
1051 cur_mon
->mon_cpu
= cpu
;
1055 CPUState
*mon_get_cpu(void)
1057 if (!cur_mon
->mon_cpu
) {
1061 monitor_set_cpu(first_cpu
->cpu_index
);
1063 cpu_synchronize_state(cur_mon
->mon_cpu
);
1064 return cur_mon
->mon_cpu
;
1067 CPUArchState
*mon_get_cpu_env(void)
1069 CPUState
*cs
= mon_get_cpu();
1071 return cs
? cs
->env_ptr
: NULL
;
1074 int monitor_get_cpu_index(void)
1076 CPUState
*cs
= mon_get_cpu();
1078 return cs
? cs
->cpu_index
: UNASSIGNED_CPU_INDEX
;
1081 static void hmp_info_registers(Monitor
*mon
, const QDict
*qdict
)
1083 CPUState
*cs
= mon_get_cpu();
1086 monitor_printf(mon
, "No CPU available\n");
1089 cpu_dump_state(cs
, (FILE *)mon
, monitor_fprintf
, CPU_DUMP_FPU
);
1092 static void hmp_info_jit(Monitor
*mon
, const QDict
*qdict
)
1094 if (!tcg_enabled()) {
1095 error_report("JIT information is only available with accel=tcg");
1099 dump_exec_info((FILE *)mon
, monitor_fprintf
);
1100 dump_drift_info((FILE *)mon
, monitor_fprintf
);
1103 static void hmp_info_opcount(Monitor
*mon
, const QDict
*qdict
)
1105 dump_opcount_info((FILE *)mon
, monitor_fprintf
);
1108 static void hmp_info_history(Monitor
*mon
, const QDict
*qdict
)
1117 str
= readline_get_history(mon
->rs
, i
);
1120 monitor_printf(mon
, "%d: '%s'\n", i
, str
);
1125 static void hmp_info_cpustats(Monitor
*mon
, const QDict
*qdict
)
1127 CPUState
*cs
= mon_get_cpu();
1130 monitor_printf(mon
, "No CPU available\n");
1133 cpu_dump_statistics(cs
, (FILE *)mon
, &monitor_fprintf
, 0);
1136 static void hmp_info_trace_events(Monitor
*mon
, const QDict
*qdict
)
1138 const char *name
= qdict_get_try_str(qdict
, "name");
1139 bool has_vcpu
= qdict_haskey(qdict
, "vcpu");
1140 int vcpu
= qdict_get_try_int(qdict
, "vcpu", 0);
1141 TraceEventInfoList
*events
;
1142 TraceEventInfoList
*elem
;
1143 Error
*local_err
= NULL
;
1149 monitor_printf(mon
, "argument vcpu must be positive");
1153 events
= qmp_trace_event_get_state(name
, has_vcpu
, vcpu
, &local_err
);
1155 error_report_err(local_err
);
1159 for (elem
= events
; elem
!= NULL
; elem
= elem
->next
) {
1160 monitor_printf(mon
, "%s : state %u\n",
1162 elem
->value
->state
== TRACE_EVENT_STATE_ENABLED
? 1 : 0);
1164 qapi_free_TraceEventInfoList(events
);
1167 void qmp_client_migrate_info(const char *protocol
, const char *hostname
,
1168 bool has_port
, int64_t port
,
1169 bool has_tls_port
, int64_t tls_port
,
1170 bool has_cert_subject
, const char *cert_subject
,
1173 if (strcmp(protocol
, "spice") == 0) {
1174 if (!qemu_using_spice(errp
)) {
1178 if (!has_port
&& !has_tls_port
) {
1179 error_setg(errp
, QERR_MISSING_PARAMETER
, "port/tls-port");
1183 if (qemu_spice_migrate_info(hostname
,
1184 has_port
? port
: -1,
1185 has_tls_port
? tls_port
: -1,
1187 error_setg(errp
, QERR_UNDEFINED_ERROR
);
1193 error_setg(errp
, QERR_INVALID_PARAMETER_VALUE
, "protocol", "spice");
1196 static void hmp_logfile(Monitor
*mon
, const QDict
*qdict
)
1200 qemu_set_log_filename(qdict_get_str(qdict
, "filename"), &err
);
1202 error_report_err(err
);
1206 static void hmp_log(Monitor
*mon
, const QDict
*qdict
)
1209 const char *items
= qdict_get_str(qdict
, "items");
1211 if (!strcmp(items
, "none")) {
1214 mask
= qemu_str_to_log_mask(items
);
1216 help_cmd(mon
, "log");
1223 static void hmp_singlestep(Monitor
*mon
, const QDict
*qdict
)
1225 const char *option
= qdict_get_try_str(qdict
, "option");
1226 if (!option
|| !strcmp(option
, "on")) {
1228 } else if (!strcmp(option
, "off")) {
1231 monitor_printf(mon
, "unexpected option %s\n", option
);
1235 static void hmp_gdbserver(Monitor
*mon
, const QDict
*qdict
)
1237 const char *device
= qdict_get_try_str(qdict
, "device");
1239 device
= "tcp::" DEFAULT_GDBSTUB_PORT
;
1240 if (gdbserver_start(device
) < 0) {
1241 monitor_printf(mon
, "Could not open gdbserver on device '%s'\n",
1243 } else if (strcmp(device
, "none") == 0) {
1244 monitor_printf(mon
, "Disabled gdbserver\n");
1246 monitor_printf(mon
, "Waiting for gdb connection on device '%s'\n",
1251 static void hmp_watchdog_action(Monitor
*mon
, const QDict
*qdict
)
1253 const char *action
= qdict_get_str(qdict
, "action");
1254 if (select_watchdog_action(action
) == -1) {
1255 monitor_printf(mon
, "Unknown watchdog action '%s'\n", action
);
1259 static void monitor_printc(Monitor
*mon
, int c
)
1261 monitor_printf(mon
, "'");
1264 monitor_printf(mon
, "\\'");
1267 monitor_printf(mon
, "\\\\");
1270 monitor_printf(mon
, "\\n");
1273 monitor_printf(mon
, "\\r");
1276 if (c
>= 32 && c
<= 126) {
1277 monitor_printf(mon
, "%c", c
);
1279 monitor_printf(mon
, "\\x%02x", c
);
1283 monitor_printf(mon
, "'");
1286 static void memory_dump(Monitor
*mon
, int count
, int format
, int wsize
,
1287 hwaddr addr
, int is_physical
)
1289 int l
, line_size
, i
, max_digits
, len
;
1292 CPUState
*cs
= mon_get_cpu();
1294 if (!cs
&& (format
== 'i' || !is_physical
)) {
1295 monitor_printf(mon
, "Can not dump without CPU\n");
1299 if (format
== 'i') {
1302 CPUArchState
*env
= mon_get_cpu_env();
1305 } else if (wsize
== 4) {
1308 /* as default we use the current CS size */
1311 #ifdef TARGET_X86_64
1312 if ((env
->efer
& MSR_EFER_LMA
) &&
1313 (env
->segs
[R_CS
].flags
& DESC_L_MASK
))
1317 if (!(env
->segs
[R_CS
].flags
& DESC_B_MASK
))
1323 CPUArchState
*env
= mon_get_cpu_env();
1324 flags
= msr_le
<< 16;
1325 flags
|= env
->bfd_mach
;
1327 monitor_disas(mon
, cs
, addr
, count
, is_physical
, flags
);
1331 len
= wsize
* count
;
1340 max_digits
= (wsize
* 8 + 2) / 3;
1344 max_digits
= (wsize
* 8) / 4;
1348 max_digits
= (wsize
* 8 * 10 + 32) / 33;
1357 monitor_printf(mon
, TARGET_FMT_plx
":", addr
);
1359 monitor_printf(mon
, TARGET_FMT_lx
":", (target_ulong
)addr
);
1364 cpu_physical_memory_read(addr
, buf
, l
);
1366 if (cpu_memory_rw_debug(cs
, addr
, buf
, l
, 0) < 0) {
1367 monitor_printf(mon
, " Cannot access memory\n");
1376 v
= ldub_p(buf
+ i
);
1379 v
= lduw_p(buf
+ i
);
1382 v
= (uint32_t)ldl_p(buf
+ i
);
1388 monitor_printf(mon
, " ");
1391 monitor_printf(mon
, "%#*" PRIo64
, max_digits
, v
);
1394 monitor_printf(mon
, "0x%0*" PRIx64
, max_digits
, v
);
1397 monitor_printf(mon
, "%*" PRIu64
, max_digits
, v
);
1400 monitor_printf(mon
, "%*" PRId64
, max_digits
, v
);
1403 monitor_printc(mon
, v
);
1408 monitor_printf(mon
, "\n");
1414 static void hmp_memory_dump(Monitor
*mon
, const QDict
*qdict
)
1416 int count
= qdict_get_int(qdict
, "count");
1417 int format
= qdict_get_int(qdict
, "format");
1418 int size
= qdict_get_int(qdict
, "size");
1419 target_long addr
= qdict_get_int(qdict
, "addr");
1421 memory_dump(mon
, count
, format
, size
, addr
, 0);
1424 static void hmp_physical_memory_dump(Monitor
*mon
, const QDict
*qdict
)
1426 int count
= qdict_get_int(qdict
, "count");
1427 int format
= qdict_get_int(qdict
, "format");
1428 int size
= qdict_get_int(qdict
, "size");
1429 hwaddr addr
= qdict_get_int(qdict
, "addr");
1431 memory_dump(mon
, count
, format
, size
, addr
, 1);
1434 static void do_print(Monitor
*mon
, const QDict
*qdict
)
1436 int format
= qdict_get_int(qdict
, "format");
1437 hwaddr val
= qdict_get_int(qdict
, "val");
1441 monitor_printf(mon
, "%#" HWADDR_PRIo
, val
);
1444 monitor_printf(mon
, "%#" HWADDR_PRIx
, val
);
1447 monitor_printf(mon
, "%" HWADDR_PRIu
, val
);
1451 monitor_printf(mon
, "%" HWADDR_PRId
, val
);
1454 monitor_printc(mon
, val
);
1457 monitor_printf(mon
, "\n");
1460 static void hmp_sum(Monitor
*mon
, const QDict
*qdict
)
1464 uint32_t start
= qdict_get_int(qdict
, "start");
1465 uint32_t size
= qdict_get_int(qdict
, "size");
1468 for(addr
= start
; addr
< (start
+ size
); addr
++) {
1469 uint8_t val
= address_space_ldub(&address_space_memory
, addr
,
1470 MEMTXATTRS_UNSPECIFIED
, NULL
);
1471 /* BSD sum algorithm ('sum' Unix command) */
1472 sum
= (sum
>> 1) | (sum
<< 15);
1475 monitor_printf(mon
, "%05d\n", sum
);
1478 static int mouse_button_state
;
1480 static void hmp_mouse_move(Monitor
*mon
, const QDict
*qdict
)
1482 int dx
, dy
, dz
, button
;
1483 const char *dx_str
= qdict_get_str(qdict
, "dx_str");
1484 const char *dy_str
= qdict_get_str(qdict
, "dy_str");
1485 const char *dz_str
= qdict_get_try_str(qdict
, "dz_str");
1487 dx
= strtol(dx_str
, NULL
, 0);
1488 dy
= strtol(dy_str
, NULL
, 0);
1489 qemu_input_queue_rel(NULL
, INPUT_AXIS_X
, dx
);
1490 qemu_input_queue_rel(NULL
, INPUT_AXIS_Y
, dy
);
1493 dz
= strtol(dz_str
, NULL
, 0);
1495 button
= (dz
> 0) ? INPUT_BUTTON_WHEEL_UP
: INPUT_BUTTON_WHEEL_DOWN
;
1496 qemu_input_queue_btn(NULL
, button
, true);
1497 qemu_input_event_sync();
1498 qemu_input_queue_btn(NULL
, button
, false);
1501 qemu_input_event_sync();
1504 static void hmp_mouse_button(Monitor
*mon
, const QDict
*qdict
)
1506 static uint32_t bmap
[INPUT_BUTTON__MAX
] = {
1507 [INPUT_BUTTON_LEFT
] = MOUSE_EVENT_LBUTTON
,
1508 [INPUT_BUTTON_MIDDLE
] = MOUSE_EVENT_MBUTTON
,
1509 [INPUT_BUTTON_RIGHT
] = MOUSE_EVENT_RBUTTON
,
1511 int button_state
= qdict_get_int(qdict
, "button_state");
1513 if (mouse_button_state
== button_state
) {
1516 qemu_input_update_buttons(NULL
, bmap
, mouse_button_state
, button_state
);
1517 qemu_input_event_sync();
1518 mouse_button_state
= button_state
;
1521 static void hmp_ioport_read(Monitor
*mon
, const QDict
*qdict
)
1523 int size
= qdict_get_int(qdict
, "size");
1524 int addr
= qdict_get_int(qdict
, "addr");
1525 int has_index
= qdict_haskey(qdict
, "index");
1530 int index
= qdict_get_int(qdict
, "index");
1531 cpu_outb(addr
& IOPORTS_MASK
, index
& 0xff);
1539 val
= cpu_inb(addr
);
1543 val
= cpu_inw(addr
);
1547 val
= cpu_inl(addr
);
1551 monitor_printf(mon
, "port%c[0x%04x] = %#0*x\n",
1552 suffix
, addr
, size
* 2, val
);
1555 static void hmp_ioport_write(Monitor
*mon
, const QDict
*qdict
)
1557 int size
= qdict_get_int(qdict
, "size");
1558 int addr
= qdict_get_int(qdict
, "addr");
1559 int val
= qdict_get_int(qdict
, "val");
1561 addr
&= IOPORTS_MASK
;
1566 cpu_outb(addr
, val
);
1569 cpu_outw(addr
, val
);
1572 cpu_outl(addr
, val
);
1577 static void hmp_boot_set(Monitor
*mon
, const QDict
*qdict
)
1579 Error
*local_err
= NULL
;
1580 const char *bootdevice
= qdict_get_str(qdict
, "bootdevice");
1582 qemu_boot_set(bootdevice
, &local_err
);
1584 error_report_err(local_err
);
1586 monitor_printf(mon
, "boot device list now set to %s\n", bootdevice
);
1590 static void hmp_info_mtree(Monitor
*mon
, const QDict
*qdict
)
1592 bool flatview
= qdict_get_try_bool(qdict
, "flatview", false);
1594 mtree_info((fprintf_function
)monitor_printf
, mon
, flatview
);
1597 static void hmp_info_numa(Monitor
*mon
, const QDict
*qdict
)
1603 node_mem
= g_new0(uint64_t, nb_numa_nodes
);
1604 query_numa_node_mem(node_mem
);
1605 monitor_printf(mon
, "%d nodes\n", nb_numa_nodes
);
1606 for (i
= 0; i
< nb_numa_nodes
; i
++) {
1607 monitor_printf(mon
, "node %d cpus:", i
);
1609 if (cpu
->numa_node
== i
) {
1610 monitor_printf(mon
, " %d", cpu
->cpu_index
);
1613 monitor_printf(mon
, "\n");
1614 monitor_printf(mon
, "node %d size: %" PRId64
" MB\n", i
,
1620 #ifdef CONFIG_PROFILER
1625 static void hmp_info_profile(Monitor
*mon
, const QDict
*qdict
)
1627 monitor_printf(mon
, "async time %" PRId64
" (%0.3f)\n",
1628 dev_time
, dev_time
/ (double)NANOSECONDS_PER_SECOND
);
1629 monitor_printf(mon
, "qemu time %" PRId64
" (%0.3f)\n",
1630 tcg_time
, tcg_time
/ (double)NANOSECONDS_PER_SECOND
);
1635 static void hmp_info_profile(Monitor
*mon
, const QDict
*qdict
)
1637 monitor_printf(mon
, "Internal profiler not compiled\n");
1641 /* Capture support */
1642 static QLIST_HEAD (capture_list_head
, CaptureState
) capture_head
;
1644 static void hmp_info_capture(Monitor
*mon
, const QDict
*qdict
)
1649 for (s
= capture_head
.lh_first
, i
= 0; s
; s
= s
->entries
.le_next
, ++i
) {
1650 monitor_printf(mon
, "[%d]: ", i
);
1651 s
->ops
.info (s
->opaque
);
1655 static void hmp_stopcapture(Monitor
*mon
, const QDict
*qdict
)
1658 int n
= qdict_get_int(qdict
, "n");
1661 for (s
= capture_head
.lh_first
, i
= 0; s
; s
= s
->entries
.le_next
, ++i
) {
1663 s
->ops
.destroy (s
->opaque
);
1664 QLIST_REMOVE (s
, entries
);
1671 static void hmp_wavcapture(Monitor
*mon
, const QDict
*qdict
)
1673 const char *path
= qdict_get_str(qdict
, "path");
1674 int has_freq
= qdict_haskey(qdict
, "freq");
1675 int freq
= qdict_get_try_int(qdict
, "freq", -1);
1676 int has_bits
= qdict_haskey(qdict
, "bits");
1677 int bits
= qdict_get_try_int(qdict
, "bits", -1);
1678 int has_channels
= qdict_haskey(qdict
, "nchannels");
1679 int nchannels
= qdict_get_try_int(qdict
, "nchannels", -1);
1682 s
= g_malloc0 (sizeof (*s
));
1684 freq
= has_freq
? freq
: 44100;
1685 bits
= has_bits
? bits
: 16;
1686 nchannels
= has_channels
? nchannels
: 2;
1688 if (wav_start_capture (s
, path
, freq
, bits
, nchannels
)) {
1689 monitor_printf(mon
, "Failed to add wave capture\n");
1693 QLIST_INSERT_HEAD (&capture_head
, s
, entries
);
1696 static qemu_acl
*find_acl(Monitor
*mon
, const char *name
)
1698 qemu_acl
*acl
= qemu_acl_find(name
);
1701 monitor_printf(mon
, "acl: unknown list '%s'\n", name
);
1706 static void hmp_acl_show(Monitor
*mon
, const QDict
*qdict
)
1708 const char *aclname
= qdict_get_str(qdict
, "aclname");
1709 qemu_acl
*acl
= find_acl(mon
, aclname
);
1710 qemu_acl_entry
*entry
;
1714 monitor_printf(mon
, "policy: %s\n",
1715 acl
->defaultDeny
? "deny" : "allow");
1716 QTAILQ_FOREACH(entry
, &acl
->entries
, next
) {
1718 monitor_printf(mon
, "%d: %s %s\n", i
,
1719 entry
->deny
? "deny" : "allow", entry
->match
);
1724 static void hmp_acl_reset(Monitor
*mon
, const QDict
*qdict
)
1726 const char *aclname
= qdict_get_str(qdict
, "aclname");
1727 qemu_acl
*acl
= find_acl(mon
, aclname
);
1730 qemu_acl_reset(acl
);
1731 monitor_printf(mon
, "acl: removed all rules\n");
1735 static void hmp_acl_policy(Monitor
*mon
, const QDict
*qdict
)
1737 const char *aclname
= qdict_get_str(qdict
, "aclname");
1738 const char *policy
= qdict_get_str(qdict
, "policy");
1739 qemu_acl
*acl
= find_acl(mon
, aclname
);
1742 if (strcmp(policy
, "allow") == 0) {
1743 acl
->defaultDeny
= 0;
1744 monitor_printf(mon
, "acl: policy set to 'allow'\n");
1745 } else if (strcmp(policy
, "deny") == 0) {
1746 acl
->defaultDeny
= 1;
1747 monitor_printf(mon
, "acl: policy set to 'deny'\n");
1749 monitor_printf(mon
, "acl: unknown policy '%s', "
1750 "expected 'deny' or 'allow'\n", policy
);
1755 static void hmp_acl_add(Monitor
*mon
, const QDict
*qdict
)
1757 const char *aclname
= qdict_get_str(qdict
, "aclname");
1758 const char *match
= qdict_get_str(qdict
, "match");
1759 const char *policy
= qdict_get_str(qdict
, "policy");
1760 int has_index
= qdict_haskey(qdict
, "index");
1761 int index
= qdict_get_try_int(qdict
, "index", -1);
1762 qemu_acl
*acl
= find_acl(mon
, aclname
);
1766 if (strcmp(policy
, "allow") == 0) {
1768 } else if (strcmp(policy
, "deny") == 0) {
1771 monitor_printf(mon
, "acl: unknown policy '%s', "
1772 "expected 'deny' or 'allow'\n", policy
);
1776 ret
= qemu_acl_insert(acl
, deny
, match
, index
);
1778 ret
= qemu_acl_append(acl
, deny
, match
);
1780 monitor_printf(mon
, "acl: unable to add acl entry\n");
1782 monitor_printf(mon
, "acl: added rule at position %d\n", ret
);
1786 static void hmp_acl_remove(Monitor
*mon
, const QDict
*qdict
)
1788 const char *aclname
= qdict_get_str(qdict
, "aclname");
1789 const char *match
= qdict_get_str(qdict
, "match");
1790 qemu_acl
*acl
= find_acl(mon
, aclname
);
1794 ret
= qemu_acl_remove(acl
, match
);
1796 monitor_printf(mon
, "acl: no matching acl entry\n");
1798 monitor_printf(mon
, "acl: removed rule at position %d\n", ret
);
1802 void qmp_getfd(const char *fdname
, Error
**errp
)
1807 fd
= qemu_chr_fe_get_msgfd(&cur_mon
->chr
);
1809 error_setg(errp
, QERR_FD_NOT_SUPPLIED
);
1813 if (qemu_isdigit(fdname
[0])) {
1815 error_setg(errp
, QERR_INVALID_PARAMETER_VALUE
, "fdname",
1816 "a name not starting with a digit");
1820 QLIST_FOREACH(monfd
, &cur_mon
->fds
, next
) {
1821 if (strcmp(monfd
->name
, fdname
) != 0) {
1830 monfd
= g_malloc0(sizeof(mon_fd_t
));
1831 monfd
->name
= g_strdup(fdname
);
1834 QLIST_INSERT_HEAD(&cur_mon
->fds
, monfd
, next
);
1837 void qmp_closefd(const char *fdname
, Error
**errp
)
1841 QLIST_FOREACH(monfd
, &cur_mon
->fds
, next
) {
1842 if (strcmp(monfd
->name
, fdname
) != 0) {
1846 QLIST_REMOVE(monfd
, next
);
1848 g_free(monfd
->name
);
1853 error_setg(errp
, QERR_FD_NOT_FOUND
, fdname
);
1856 static void hmp_loadvm(Monitor
*mon
, const QDict
*qdict
)
1858 int saved_vm_running
= runstate_is_running();
1859 const char *name
= qdict_get_str(qdict
, "name");
1861 vm_stop(RUN_STATE_RESTORE_VM
);
1863 if (load_vmstate(name
) == 0 && saved_vm_running
) {
1868 int monitor_get_fd(Monitor
*mon
, const char *fdname
, Error
**errp
)
1872 QLIST_FOREACH(monfd
, &mon
->fds
, next
) {
1875 if (strcmp(monfd
->name
, fdname
) != 0) {
1881 /* caller takes ownership of fd */
1882 QLIST_REMOVE(monfd
, next
);
1883 g_free(monfd
->name
);
1889 error_setg(errp
, "File descriptor named '%s' has not been found", fdname
);
1893 static void monitor_fdset_cleanup(MonFdset
*mon_fdset
)
1895 MonFdsetFd
*mon_fdset_fd
;
1896 MonFdsetFd
*mon_fdset_fd_next
;
1898 QLIST_FOREACH_SAFE(mon_fdset_fd
, &mon_fdset
->fds
, next
, mon_fdset_fd_next
) {
1899 if ((mon_fdset_fd
->removed
||
1900 (QLIST_EMPTY(&mon_fdset
->dup_fds
) && mon_refcount
== 0)) &&
1901 runstate_is_running()) {
1902 close(mon_fdset_fd
->fd
);
1903 g_free(mon_fdset_fd
->opaque
);
1904 QLIST_REMOVE(mon_fdset_fd
, next
);
1905 g_free(mon_fdset_fd
);
1909 if (QLIST_EMPTY(&mon_fdset
->fds
) && QLIST_EMPTY(&mon_fdset
->dup_fds
)) {
1910 QLIST_REMOVE(mon_fdset
, next
);
1915 static void monitor_fdsets_cleanup(void)
1917 MonFdset
*mon_fdset
;
1918 MonFdset
*mon_fdset_next
;
1920 QLIST_FOREACH_SAFE(mon_fdset
, &mon_fdsets
, next
, mon_fdset_next
) {
1921 monitor_fdset_cleanup(mon_fdset
);
1925 AddfdInfo
*qmp_add_fd(bool has_fdset_id
, int64_t fdset_id
, bool has_opaque
,
1926 const char *opaque
, Error
**errp
)
1929 Monitor
*mon
= cur_mon
;
1932 fd
= qemu_chr_fe_get_msgfd(&mon
->chr
);
1934 error_setg(errp
, QERR_FD_NOT_SUPPLIED
);
1938 fdinfo
= monitor_fdset_add_fd(fd
, has_fdset_id
, fdset_id
,
1939 has_opaque
, opaque
, errp
);
1951 void qmp_remove_fd(int64_t fdset_id
, bool has_fd
, int64_t fd
, Error
**errp
)
1953 MonFdset
*mon_fdset
;
1954 MonFdsetFd
*mon_fdset_fd
;
1957 QLIST_FOREACH(mon_fdset
, &mon_fdsets
, next
) {
1958 if (mon_fdset
->id
!= fdset_id
) {
1961 QLIST_FOREACH(mon_fdset_fd
, &mon_fdset
->fds
, next
) {
1963 if (mon_fdset_fd
->fd
!= fd
) {
1966 mon_fdset_fd
->removed
= true;
1969 mon_fdset_fd
->removed
= true;
1972 if (has_fd
&& !mon_fdset_fd
) {
1975 monitor_fdset_cleanup(mon_fdset
);
1981 snprintf(fd_str
, sizeof(fd_str
), "fdset-id:%" PRId64
", fd:%" PRId64
,
1984 snprintf(fd_str
, sizeof(fd_str
), "fdset-id:%" PRId64
, fdset_id
);
1986 error_setg(errp
, QERR_FD_NOT_FOUND
, fd_str
);
1989 FdsetInfoList
*qmp_query_fdsets(Error
**errp
)
1991 MonFdset
*mon_fdset
;
1992 MonFdsetFd
*mon_fdset_fd
;
1993 FdsetInfoList
*fdset_list
= NULL
;
1995 QLIST_FOREACH(mon_fdset
, &mon_fdsets
, next
) {
1996 FdsetInfoList
*fdset_info
= g_malloc0(sizeof(*fdset_info
));
1997 FdsetFdInfoList
*fdsetfd_list
= NULL
;
1999 fdset_info
->value
= g_malloc0(sizeof(*fdset_info
->value
));
2000 fdset_info
->value
->fdset_id
= mon_fdset
->id
;
2002 QLIST_FOREACH(mon_fdset_fd
, &mon_fdset
->fds
, next
) {
2003 FdsetFdInfoList
*fdsetfd_info
;
2005 fdsetfd_info
= g_malloc0(sizeof(*fdsetfd_info
));
2006 fdsetfd_info
->value
= g_malloc0(sizeof(*fdsetfd_info
->value
));
2007 fdsetfd_info
->value
->fd
= mon_fdset_fd
->fd
;
2008 if (mon_fdset_fd
->opaque
) {
2009 fdsetfd_info
->value
->has_opaque
= true;
2010 fdsetfd_info
->value
->opaque
= g_strdup(mon_fdset_fd
->opaque
);
2012 fdsetfd_info
->value
->has_opaque
= false;
2015 fdsetfd_info
->next
= fdsetfd_list
;
2016 fdsetfd_list
= fdsetfd_info
;
2019 fdset_info
->value
->fds
= fdsetfd_list
;
2021 fdset_info
->next
= fdset_list
;
2022 fdset_list
= fdset_info
;
2028 AddfdInfo
*monitor_fdset_add_fd(int fd
, bool has_fdset_id
, int64_t fdset_id
,
2029 bool has_opaque
, const char *opaque
,
2032 MonFdset
*mon_fdset
= NULL
;
2033 MonFdsetFd
*mon_fdset_fd
;
2037 QLIST_FOREACH(mon_fdset
, &mon_fdsets
, next
) {
2038 /* Break if match found or match impossible due to ordering by ID */
2039 if (fdset_id
<= mon_fdset
->id
) {
2040 if (fdset_id
< mon_fdset
->id
) {
2048 if (mon_fdset
== NULL
) {
2049 int64_t fdset_id_prev
= -1;
2050 MonFdset
*mon_fdset_cur
= QLIST_FIRST(&mon_fdsets
);
2054 error_setg(errp
, QERR_INVALID_PARAMETER_VALUE
, "fdset-id",
2055 "a non-negative value");
2058 /* Use specified fdset ID */
2059 QLIST_FOREACH(mon_fdset
, &mon_fdsets
, next
) {
2060 mon_fdset_cur
= mon_fdset
;
2061 if (fdset_id
< mon_fdset_cur
->id
) {
2066 /* Use first available fdset ID */
2067 QLIST_FOREACH(mon_fdset
, &mon_fdsets
, next
) {
2068 mon_fdset_cur
= mon_fdset
;
2069 if (fdset_id_prev
== mon_fdset_cur
->id
- 1) {
2070 fdset_id_prev
= mon_fdset_cur
->id
;
2077 mon_fdset
= g_malloc0(sizeof(*mon_fdset
));
2079 mon_fdset
->id
= fdset_id
;
2081 mon_fdset
->id
= fdset_id_prev
+ 1;
2084 /* The fdset list is ordered by fdset ID */
2085 if (!mon_fdset_cur
) {
2086 QLIST_INSERT_HEAD(&mon_fdsets
, mon_fdset
, next
);
2087 } else if (mon_fdset
->id
< mon_fdset_cur
->id
) {
2088 QLIST_INSERT_BEFORE(mon_fdset_cur
, mon_fdset
, next
);
2090 QLIST_INSERT_AFTER(mon_fdset_cur
, mon_fdset
, next
);
2094 mon_fdset_fd
= g_malloc0(sizeof(*mon_fdset_fd
));
2095 mon_fdset_fd
->fd
= fd
;
2096 mon_fdset_fd
->removed
= false;
2098 mon_fdset_fd
->opaque
= g_strdup(opaque
);
2100 QLIST_INSERT_HEAD(&mon_fdset
->fds
, mon_fdset_fd
, next
);
2102 fdinfo
= g_malloc0(sizeof(*fdinfo
));
2103 fdinfo
->fdset_id
= mon_fdset
->id
;
2104 fdinfo
->fd
= mon_fdset_fd
->fd
;
2109 int monitor_fdset_get_fd(int64_t fdset_id
, int flags
)
2112 MonFdset
*mon_fdset
;
2113 MonFdsetFd
*mon_fdset_fd
;
2116 QLIST_FOREACH(mon_fdset
, &mon_fdsets
, next
) {
2117 if (mon_fdset
->id
!= fdset_id
) {
2120 QLIST_FOREACH(mon_fdset_fd
, &mon_fdset
->fds
, next
) {
2121 mon_fd_flags
= fcntl(mon_fdset_fd
->fd
, F_GETFL
);
2122 if (mon_fd_flags
== -1) {
2126 if ((flags
& O_ACCMODE
) == (mon_fd_flags
& O_ACCMODE
)) {
2127 return mon_fdset_fd
->fd
;
2139 int monitor_fdset_dup_fd_add(int64_t fdset_id
, int dup_fd
)
2141 MonFdset
*mon_fdset
;
2142 MonFdsetFd
*mon_fdset_fd_dup
;
2144 QLIST_FOREACH(mon_fdset
, &mon_fdsets
, next
) {
2145 if (mon_fdset
->id
!= fdset_id
) {
2148 QLIST_FOREACH(mon_fdset_fd_dup
, &mon_fdset
->dup_fds
, next
) {
2149 if (mon_fdset_fd_dup
->fd
== dup_fd
) {
2153 mon_fdset_fd_dup
= g_malloc0(sizeof(*mon_fdset_fd_dup
));
2154 mon_fdset_fd_dup
->fd
= dup_fd
;
2155 QLIST_INSERT_HEAD(&mon_fdset
->dup_fds
, mon_fdset_fd_dup
, next
);
2161 static int monitor_fdset_dup_fd_find_remove(int dup_fd
, bool remove
)
2163 MonFdset
*mon_fdset
;
2164 MonFdsetFd
*mon_fdset_fd_dup
;
2166 QLIST_FOREACH(mon_fdset
, &mon_fdsets
, next
) {
2167 QLIST_FOREACH(mon_fdset_fd_dup
, &mon_fdset
->dup_fds
, next
) {
2168 if (mon_fdset_fd_dup
->fd
== dup_fd
) {
2170 QLIST_REMOVE(mon_fdset_fd_dup
, next
);
2171 if (QLIST_EMPTY(&mon_fdset
->dup_fds
)) {
2172 monitor_fdset_cleanup(mon_fdset
);
2176 return mon_fdset
->id
;
2184 int monitor_fdset_dup_fd_find(int dup_fd
)
2186 return monitor_fdset_dup_fd_find_remove(dup_fd
, false);
2189 void monitor_fdset_dup_fd_remove(int dup_fd
)
2191 monitor_fdset_dup_fd_find_remove(dup_fd
, true);
2194 int monitor_fd_param(Monitor
*mon
, const char *fdname
, Error
**errp
)
2197 Error
*local_err
= NULL
;
2199 if (!qemu_isdigit(fdname
[0]) && mon
) {
2200 fd
= monitor_get_fd(mon
, fdname
, &local_err
);
2202 fd
= qemu_parse_fd(fdname
);
2204 error_setg(&local_err
, "Invalid file descriptor number '%s'",
2209 error_propagate(errp
, local_err
);
2218 /* Please update hmp-commands.hx when adding or changing commands */
2219 static mon_cmd_t info_cmds
[] = {
2220 #include "hmp-commands-info.h"
2224 /* mon_cmds and info_cmds would be sorted at runtime */
2225 static mon_cmd_t mon_cmds
[] = {
2226 #include "hmp-commands.h"
2230 /*******************************************************************/
2232 static const char *pch
;
2233 static sigjmp_buf expr_env
;
2236 static void GCC_FMT_ATTR(2, 3) QEMU_NORETURN
2237 expr_error(Monitor
*mon
, const char *fmt
, ...)
2241 monitor_vprintf(mon
, fmt
, ap
);
2242 monitor_printf(mon
, "\n");
2244 siglongjmp(expr_env
, 1);
2247 /* return 0 if OK, -1 if not found */
2248 static int get_monitor_def(target_long
*pval
, const char *name
)
2250 const MonitorDef
*md
= target_monitor_defs();
2251 CPUState
*cs
= mon_get_cpu();
2256 if (cs
== NULL
|| md
== NULL
) {
2260 for(; md
->name
!= NULL
; md
++) {
2261 if (compare_cmd(name
, md
->name
)) {
2262 if (md
->get_value
) {
2263 *pval
= md
->get_value(md
, md
->offset
);
2265 CPUArchState
*env
= mon_get_cpu_env();
2266 ptr
= (uint8_t *)env
+ md
->offset
;
2269 *pval
= *(int32_t *)ptr
;
2272 *pval
= *(target_long
*)ptr
;
2283 ret
= target_get_monitor_def(cs
, name
, &tmp
);
2285 *pval
= (target_long
) tmp
;
2291 static void next(void)
2295 while (qemu_isspace(*pch
))
2300 static int64_t expr_sum(Monitor
*mon
);
2302 static int64_t expr_unary(Monitor
*mon
)
2311 n
= expr_unary(mon
);
2315 n
= -expr_unary(mon
);
2319 n
= ~expr_unary(mon
);
2325 expr_error(mon
, "')' expected");
2332 expr_error(mon
, "character constant expected");
2336 expr_error(mon
, "missing terminating \' character");
2346 while ((*pch
>= 'a' && *pch
<= 'z') ||
2347 (*pch
>= 'A' && *pch
<= 'Z') ||
2348 (*pch
>= '0' && *pch
<= '9') ||
2349 *pch
== '_' || *pch
== '.') {
2350 if ((q
- buf
) < sizeof(buf
) - 1)
2354 while (qemu_isspace(*pch
))
2357 ret
= get_monitor_def(®
, buf
);
2359 expr_error(mon
, "unknown register");
2364 expr_error(mon
, "unexpected end of expression");
2369 n
= strtoull(pch
, &p
, 0);
2370 if (errno
== ERANGE
) {
2371 expr_error(mon
, "number too large");
2374 expr_error(mon
, "invalid char '%c' in expression", *p
);
2377 while (qemu_isspace(*pch
))
2385 static int64_t expr_prod(Monitor
*mon
)
2390 val
= expr_unary(mon
);
2393 if (op
!= '*' && op
!= '/' && op
!= '%')
2396 val2
= expr_unary(mon
);
2405 expr_error(mon
, "division by zero");
2416 static int64_t expr_logic(Monitor
*mon
)
2421 val
= expr_prod(mon
);
2424 if (op
!= '&' && op
!= '|' && op
!= '^')
2427 val2
= expr_prod(mon
);
2444 static int64_t expr_sum(Monitor
*mon
)
2449 val
= expr_logic(mon
);
2452 if (op
!= '+' && op
!= '-')
2455 val2
= expr_logic(mon
);
2464 static int get_expr(Monitor
*mon
, int64_t *pval
, const char **pp
)
2467 if (sigsetjmp(expr_env
, 0)) {
2471 while (qemu_isspace(*pch
))
2473 *pval
= expr_sum(mon
);
2478 static int get_double(Monitor
*mon
, double *pval
, const char **pp
)
2480 const char *p
= *pp
;
2484 d
= strtod(p
, &tailp
);
2486 monitor_printf(mon
, "Number expected\n");
2489 if (d
!= d
|| d
- d
!= 0) {
2490 /* NaN or infinity */
2491 monitor_printf(mon
, "Bad number\n");
2500 * Store the command-name in cmdname, and return a pointer to
2501 * the remaining of the command string.
2503 static const char *get_command_name(const char *cmdline
,
2504 char *cmdname
, size_t nlen
)
2507 const char *p
, *pstart
;
2510 while (qemu_isspace(*p
))
2515 while (*p
!= '\0' && *p
!= '/' && !qemu_isspace(*p
))
2520 memcpy(cmdname
, pstart
, len
);
2521 cmdname
[len
] = '\0';
2526 * Read key of 'type' into 'key' and return the current
2529 static char *key_get_info(const char *type
, char **key
)
2537 p
= strchr(type
, ':');
2544 str
= g_malloc(len
+ 1);
2545 memcpy(str
, type
, len
);
2552 static int default_fmt_format
= 'x';
2553 static int default_fmt_size
= 4;
2555 static int is_valid_option(const char *c
, const char *typestr
)
2563 typestr
= strstr(typestr
, option
);
2564 return (typestr
!= NULL
);
2567 static const mon_cmd_t
*search_dispatch_table(const mon_cmd_t
*disp_table
,
2568 const char *cmdname
)
2570 const mon_cmd_t
*cmd
;
2572 for (cmd
= disp_table
; cmd
->name
!= NULL
; cmd
++) {
2573 if (compare_cmd(cmdname
, cmd
->name
)) {
2582 * Parse command name from @cmdp according to command table @table.
2583 * If blank, return NULL.
2584 * Else, if no valid command can be found, report to @mon, and return
2586 * Else, change @cmdp to point right behind the name, and return its
2587 * command table entry.
2588 * Do not assume the return value points into @table! It doesn't when
2589 * the command is found in a sub-command table.
2591 static const mon_cmd_t
*monitor_parse_command(Monitor
*mon
,
2596 const mon_cmd_t
*cmd
;
2599 /* extract the command name */
2600 p
= get_command_name(*cmdp
, cmdname
, sizeof(cmdname
));
2604 cmd
= search_dispatch_table(table
, cmdname
);
2606 monitor_printf(mon
, "unknown command: '%.*s'\n",
2607 (int)(p
- *cmdp
), *cmdp
);
2611 /* filter out following useless space */
2612 while (qemu_isspace(*p
)) {
2617 /* search sub command */
2618 if (cmd
->sub_table
!= NULL
&& *p
!= '\0') {
2619 return monitor_parse_command(mon
, cmdp
, cmd
->sub_table
);
2626 * Parse arguments for @cmd.
2627 * If it can't be parsed, report to @mon, and return NULL.
2628 * Else, insert command arguments into a QDict, and return it.
2629 * Note: On success, caller has to free the QDict structure.
2632 static QDict
*monitor_parse_arguments(Monitor
*mon
,
2634 const mon_cmd_t
*cmd
)
2636 const char *typestr
;
2639 const char *p
= *endp
;
2641 QDict
*qdict
= qdict_new();
2643 /* parse the parameters */
2644 typestr
= cmd
->args_type
;
2646 typestr
= key_get_info(typestr
, &key
);
2658 while (qemu_isspace(*p
))
2660 if (*typestr
== '?') {
2663 /* no optional string: NULL argument */
2667 ret
= get_str(buf
, sizeof(buf
), &p
);
2671 monitor_printf(mon
, "%s: filename expected\n",
2675 monitor_printf(mon
, "%s: block device name expected\n",
2679 monitor_printf(mon
, "%s: string expected\n", cmd
->name
);
2684 qdict_put_str(qdict
, key
, buf
);
2689 QemuOptsList
*opts_list
;
2692 opts_list
= qemu_find_opts(key
);
2693 if (!opts_list
|| opts_list
->desc
->name
) {
2696 while (qemu_isspace(*p
)) {
2701 if (get_str(buf
, sizeof(buf
), &p
) < 0) {
2704 opts
= qemu_opts_parse_noisily(opts_list
, buf
, true);
2708 qemu_opts_to_qdict(opts
, qdict
);
2709 qemu_opts_del(opts
);
2714 int count
, format
, size
;
2716 while (qemu_isspace(*p
))
2722 if (qemu_isdigit(*p
)) {
2724 while (qemu_isdigit(*p
)) {
2725 count
= count
* 10 + (*p
- '0');
2763 if (*p
!= '\0' && !qemu_isspace(*p
)) {
2764 monitor_printf(mon
, "invalid char in format: '%c'\n",
2769 format
= default_fmt_format
;
2770 if (format
!= 'i') {
2771 /* for 'i', not specifying a size gives -1 as size */
2773 size
= default_fmt_size
;
2774 default_fmt_size
= size
;
2776 default_fmt_format
= format
;
2779 format
= default_fmt_format
;
2780 if (format
!= 'i') {
2781 size
= default_fmt_size
;
2786 qdict_put_int(qdict
, "count", count
);
2787 qdict_put_int(qdict
, "format", format
);
2788 qdict_put_int(qdict
, "size", size
);
2797 while (qemu_isspace(*p
))
2799 if (*typestr
== '?' || *typestr
== '.') {
2800 if (*typestr
== '?') {
2808 while (qemu_isspace(*p
))
2817 if (get_expr(mon
, &val
, &p
))
2819 /* Check if 'i' is greater than 32-bit */
2820 if ((c
== 'i') && ((val
>> 32) & 0xffffffff)) {
2821 monitor_printf(mon
, "\'%s\' has failed: ", cmd
->name
);
2822 monitor_printf(mon
, "integer is for 32-bit values\n");
2824 } else if (c
== 'M') {
2826 monitor_printf(mon
, "enter a positive value\n");
2831 qdict_put_int(qdict
, key
, val
);
2840 while (qemu_isspace(*p
)) {
2843 if (*typestr
== '?') {
2849 ret
= qemu_strtosz_MiB(p
, &end
, &val
);
2850 if (ret
< 0 || val
> INT64_MAX
) {
2851 monitor_printf(mon
, "invalid size\n");
2854 qdict_put_int(qdict
, key
, val
);
2862 while (qemu_isspace(*p
))
2864 if (*typestr
== '?') {
2870 if (get_double(mon
, &val
, &p
) < 0) {
2873 if (p
[0] && p
[1] == 's') {
2876 val
/= 1e3
; p
+= 2; break;
2878 val
/= 1e6
; p
+= 2; break;
2880 val
/= 1e9
; p
+= 2; break;
2883 if (*p
&& !qemu_isspace(*p
)) {
2884 monitor_printf(mon
, "Unknown unit suffix\n");
2887 qdict_put(qdict
, key
, qfloat_from_double(val
));
2895 while (qemu_isspace(*p
)) {
2899 while (qemu_isgraph(*p
)) {
2902 if (p
- beg
== 2 && !memcmp(beg
, "on", p
- beg
)) {
2904 } else if (p
- beg
== 3 && !memcmp(beg
, "off", p
- beg
)) {
2907 monitor_printf(mon
, "Expected 'on' or 'off'\n");
2910 qdict_put_bool(qdict
, key
, val
);
2915 const char *tmp
= p
;
2922 while (qemu_isspace(*p
))
2927 if(!is_valid_option(p
, typestr
)) {
2929 monitor_printf(mon
, "%s: unsupported option -%c\n",
2941 qdict_put_bool(qdict
, key
, true);
2948 /* package all remaining string */
2951 while (qemu_isspace(*p
)) {
2954 if (*typestr
== '?') {
2957 /* no remaining string: NULL argument */
2963 monitor_printf(mon
, "%s: string expected\n",
2967 qdict_put_str(qdict
, key
, p
);
2973 monitor_printf(mon
, "%s: unknown type '%c'\n", cmd
->name
, c
);
2979 /* check that all arguments were parsed */
2980 while (qemu_isspace(*p
))
2983 monitor_printf(mon
, "%s: extraneous characters at the end of line\n",
2996 static void handle_hmp_command(Monitor
*mon
, const char *cmdline
)
2999 const mon_cmd_t
*cmd
;
3001 cmd
= monitor_parse_command(mon
, &cmdline
, mon
->cmd_table
);
3006 qdict
= monitor_parse_arguments(mon
, &cmdline
, cmd
);
3008 monitor_printf(mon
, "Try \"help %s\" for more information\n",
3013 cmd
->cmd(mon
, qdict
);
3017 static void cmd_completion(Monitor
*mon
, const char *name
, const char *list
)
3019 const char *p
, *pstart
;
3028 p
= pstart
+ strlen(pstart
);
3030 if (len
> sizeof(cmd
) - 2)
3031 len
= sizeof(cmd
) - 2;
3032 memcpy(cmd
, pstart
, len
);
3034 if (name
[0] == '\0' || !strncmp(name
, cmd
, strlen(name
))) {
3035 readline_add_completion(mon
->rs
, cmd
);
3043 static void file_completion(Monitor
*mon
, const char *input
)
3048 char file
[1024], file_prefix
[1024];
3052 p
= strrchr(input
, '/');
3055 pstrcpy(file_prefix
, sizeof(file_prefix
), input
);
3056 pstrcpy(path
, sizeof(path
), ".");
3058 input_path_len
= p
- input
+ 1;
3059 memcpy(path
, input
, input_path_len
);
3060 if (input_path_len
> sizeof(path
) - 1)
3061 input_path_len
= sizeof(path
) - 1;
3062 path
[input_path_len
] = '\0';
3063 pstrcpy(file_prefix
, sizeof(file_prefix
), p
+ 1);
3066 ffs
= opendir(path
);
3075 if (strcmp(d
->d_name
, ".") == 0 || strcmp(d
->d_name
, "..") == 0) {
3079 if (strstart(d
->d_name
, file_prefix
, NULL
)) {
3080 memcpy(file
, input
, input_path_len
);
3081 if (input_path_len
< sizeof(file
))
3082 pstrcpy(file
+ input_path_len
, sizeof(file
) - input_path_len
,
3084 /* stat the file to find out if it's a directory.
3085 * In that case add a slash to speed up typing long paths
3087 if (stat(file
, &sb
) == 0 && S_ISDIR(sb
.st_mode
)) {
3088 pstrcat(file
, sizeof(file
), "/");
3090 readline_add_completion(mon
->rs
, file
);
3096 static const char *next_arg_type(const char *typestr
)
3098 const char *p
= strchr(typestr
, ':');
3099 return (p
!= NULL
? ++p
: typestr
);
3102 static void add_completion_option(ReadLineState
*rs
, const char *str
,
3105 if (!str
|| !option
) {
3108 if (!strncmp(option
, str
, strlen(str
))) {
3109 readline_add_completion(rs
, option
);
3113 void chardev_add_completion(ReadLineState
*rs
, int nb_args
, const char *str
)
3116 ChardevBackendInfoList
*list
, *start
;
3122 readline_set_completion_index(rs
, len
);
3124 start
= list
= qmp_query_chardev_backends(NULL
);
3126 const char *chr_name
= list
->value
->name
;
3128 if (!strncmp(chr_name
, str
, len
)) {
3129 readline_add_completion(rs
, chr_name
);
3133 qapi_free_ChardevBackendInfoList(start
);
3136 void netdev_add_completion(ReadLineState
*rs
, int nb_args
, const char *str
)
3145 readline_set_completion_index(rs
, len
);
3146 for (i
= 0; NetClientDriver_lookup
[i
]; i
++) {
3147 add_completion_option(rs
, str
, NetClientDriver_lookup
[i
]);
3151 void device_add_completion(ReadLineState
*rs
, int nb_args
, const char *str
)
3161 readline_set_completion_index(rs
, len
);
3162 list
= elt
= object_class_get_list(TYPE_DEVICE
, false);
3165 DeviceClass
*dc
= OBJECT_CLASS_CHECK(DeviceClass
, elt
->data
,
3167 name
= object_class_get_name(OBJECT_CLASS(dc
));
3169 if (dc
->user_creatable
3170 && !strncmp(name
, str
, len
)) {
3171 readline_add_completion(rs
, name
);
3178 void object_add_completion(ReadLineState
*rs
, int nb_args
, const char *str
)
3188 readline_set_completion_index(rs
, len
);
3189 list
= elt
= object_class_get_list(TYPE_USER_CREATABLE
, false);
3193 name
= object_class_get_name(OBJECT_CLASS(elt
->data
));
3194 if (!strncmp(name
, str
, len
) && strcmp(name
, TYPE_USER_CREATABLE
)) {
3195 readline_add_completion(rs
, name
);
3202 static void peripheral_device_del_completion(ReadLineState
*rs
,
3203 const char *str
, size_t len
)
3205 Object
*peripheral
= container_get(qdev_get_machine(), "/peripheral");
3206 GSList
*list
, *item
;
3208 list
= qdev_build_hotpluggable_device_list(peripheral
);
3213 for (item
= list
; item
; item
= g_slist_next(item
)) {
3214 DeviceState
*dev
= item
->data
;
3216 if (dev
->id
&& !strncmp(str
, dev
->id
, len
)) {
3217 readline_add_completion(rs
, dev
->id
);
3224 void chardev_remove_completion(ReadLineState
*rs
, int nb_args
, const char *str
)
3227 ChardevInfoList
*list
, *start
;
3233 readline_set_completion_index(rs
, len
);
3235 start
= list
= qmp_query_chardev(NULL
);
3237 ChardevInfo
*chr
= list
->value
;
3239 if (!strncmp(chr
->label
, str
, len
)) {
3240 readline_add_completion(rs
, chr
->label
);
3244 qapi_free_ChardevInfoList(start
);
3247 static void ringbuf_completion(ReadLineState
*rs
, const char *str
)
3250 ChardevInfoList
*list
, *start
;
3253 readline_set_completion_index(rs
, len
);
3255 start
= list
= qmp_query_chardev(NULL
);
3257 ChardevInfo
*chr_info
= list
->value
;
3259 if (!strncmp(chr_info
->label
, str
, len
)) {
3260 Chardev
*chr
= qemu_chr_find(chr_info
->label
);
3261 if (chr
&& CHARDEV_IS_RINGBUF(chr
)) {
3262 readline_add_completion(rs
, chr_info
->label
);
3267 qapi_free_ChardevInfoList(start
);
3270 void ringbuf_write_completion(ReadLineState
*rs
, int nb_args
, const char *str
)
3275 ringbuf_completion(rs
, str
);
3278 void device_del_completion(ReadLineState
*rs
, int nb_args
, const char *str
)
3287 readline_set_completion_index(rs
, len
);
3288 peripheral_device_del_completion(rs
, str
, len
);
3291 void object_del_completion(ReadLineState
*rs
, int nb_args
, const char *str
)
3293 ObjectPropertyInfoList
*list
, *start
;
3300 readline_set_completion_index(rs
, len
);
3302 start
= list
= qmp_qom_list("/objects", NULL
);
3304 ObjectPropertyInfo
*info
= list
->value
;
3306 if (!strncmp(info
->type
, "child<", 5)
3307 && !strncmp(info
->name
, str
, len
)) {
3308 readline_add_completion(rs
, info
->name
);
3312 qapi_free_ObjectPropertyInfoList(start
);
3315 void sendkey_completion(ReadLineState
*rs
, int nb_args
, const char *str
)
3324 sep
= strrchr(str
, '-');
3329 readline_set_completion_index(rs
, len
);
3330 for (i
= 0; i
< Q_KEY_CODE__MAX
; i
++) {
3331 if (!strncmp(str
, QKeyCode_lookup
[i
], len
)) {
3332 readline_add_completion(rs
, QKeyCode_lookup
[i
]);
3337 void set_link_completion(ReadLineState
*rs
, int nb_args
, const char *str
)
3342 readline_set_completion_index(rs
, len
);
3344 NetClientState
*ncs
[MAX_QUEUE_NUM
];
3346 count
= qemu_find_net_clients_except(NULL
, ncs
,
3347 NET_CLIENT_DRIVER_NONE
,
3349 for (i
= 0; i
< MIN(count
, MAX_QUEUE_NUM
); i
++) {
3350 const char *name
= ncs
[i
]->name
;
3351 if (!strncmp(str
, name
, len
)) {
3352 readline_add_completion(rs
, name
);
3355 } else if (nb_args
== 3) {
3356 add_completion_option(rs
, str
, "on");
3357 add_completion_option(rs
, str
, "off");
3361 void netdev_del_completion(ReadLineState
*rs
, int nb_args
, const char *str
)
3364 NetClientState
*ncs
[MAX_QUEUE_NUM
];
3371 readline_set_completion_index(rs
, len
);
3372 count
= qemu_find_net_clients_except(NULL
, ncs
, NET_CLIENT_DRIVER_NIC
,
3374 for (i
= 0; i
< MIN(count
, MAX_QUEUE_NUM
); i
++) {
3376 const char *name
= ncs
[i
]->name
;
3377 if (strncmp(str
, name
, len
)) {
3380 opts
= qemu_opts_find(qemu_find_opts_err("netdev", NULL
), name
);
3382 readline_add_completion(rs
, name
);
3387 void info_trace_events_completion(ReadLineState
*rs
, int nb_args
, const char *str
)
3392 readline_set_completion_index(rs
, len
);
3394 TraceEventIter iter
;
3396 char *pattern
= g_strdup_printf("%s*", str
);
3397 trace_event_iter_init(&iter
, pattern
);
3398 while ((ev
= trace_event_iter_next(&iter
)) != NULL
) {
3399 readline_add_completion(rs
, trace_event_get_name(ev
));
3405 void trace_event_completion(ReadLineState
*rs
, int nb_args
, const char *str
)
3410 readline_set_completion_index(rs
, len
);
3412 TraceEventIter iter
;
3414 char *pattern
= g_strdup_printf("%s*", str
);
3415 trace_event_iter_init(&iter
, pattern
);
3416 while ((ev
= trace_event_iter_next(&iter
)) != NULL
) {
3417 readline_add_completion(rs
, trace_event_get_name(ev
));
3420 } else if (nb_args
== 3) {
3421 add_completion_option(rs
, str
, "on");
3422 add_completion_option(rs
, str
, "off");
3426 void watchdog_action_completion(ReadLineState
*rs
, int nb_args
, const char *str
)
3433 readline_set_completion_index(rs
, strlen(str
));
3434 for (i
= 0; WatchdogExpirationAction_lookup
[i
]; i
++) {
3435 add_completion_option(rs
, str
, WatchdogExpirationAction_lookup
[i
]);
3439 void migrate_set_capability_completion(ReadLineState
*rs
, int nb_args
,
3445 readline_set_completion_index(rs
, len
);
3448 for (i
= 0; i
< MIGRATION_CAPABILITY__MAX
; i
++) {
3449 const char *name
= MigrationCapability_lookup
[i
];
3450 if (!strncmp(str
, name
, len
)) {
3451 readline_add_completion(rs
, name
);
3454 } else if (nb_args
== 3) {
3455 add_completion_option(rs
, str
, "on");
3456 add_completion_option(rs
, str
, "off");
3460 void migrate_set_parameter_completion(ReadLineState
*rs
, int nb_args
,
3466 readline_set_completion_index(rs
, len
);
3469 for (i
= 0; i
< MIGRATION_PARAMETER__MAX
; i
++) {
3470 const char *name
= MigrationParameter_lookup
[i
];
3471 if (!strncmp(str
, name
, len
)) {
3472 readline_add_completion(rs
, name
);
3478 void host_net_add_completion(ReadLineState
*rs
, int nb_args
, const char *str
)
3486 readline_set_completion_index(rs
, len
);
3487 for (i
= 0; host_net_devices
[i
]; i
++) {
3488 if (!strncmp(host_net_devices
[i
], str
, len
)) {
3489 readline_add_completion(rs
, host_net_devices
[i
]);
3494 void host_net_remove_completion(ReadLineState
*rs
, int nb_args
, const char *str
)
3496 NetClientState
*ncs
[MAX_QUEUE_NUM
];
3500 readline_set_completion_index(rs
, len
);
3502 count
= qemu_find_net_clients_except(NULL
, ncs
,
3503 NET_CLIENT_DRIVER_NONE
,
3505 for (i
= 0; i
< MIN(count
, MAX_QUEUE_NUM
); i
++) {
3509 if (net_hub_id_for_client(ncs
[i
], &id
)) {
3512 snprintf(name
, sizeof(name
), "%d", id
);
3513 if (!strncmp(str
, name
, len
)) {
3514 readline_add_completion(rs
, name
);
3518 } else if (nb_args
== 3) {
3519 count
= qemu_find_net_clients_except(NULL
, ncs
,
3520 NET_CLIENT_DRIVER_NIC
,
3522 for (i
= 0; i
< MIN(count
, MAX_QUEUE_NUM
); i
++) {
3526 if (ncs
[i
]->info
->type
== NET_CLIENT_DRIVER_HUBPORT
||
3527 net_hub_id_for_client(ncs
[i
], &id
)) {
3530 name
= ncs
[i
]->name
;
3531 if (!strncmp(str
, name
, len
)) {
3532 readline_add_completion(rs
, name
);
3539 static void vm_completion(ReadLineState
*rs
, const char *str
)
3542 BlockDriverState
*bs
;
3543 BdrvNextIterator it
;
3546 readline_set_completion_index(rs
, len
);
3548 for (bs
= bdrv_first(&it
); bs
; bs
= bdrv_next(&it
)) {
3549 SnapshotInfoList
*snapshots
, *snapshot
;
3550 AioContext
*ctx
= bdrv_get_aio_context(bs
);
3553 aio_context_acquire(ctx
);
3554 if (bdrv_can_snapshot(bs
)) {
3555 ok
= bdrv_query_snapshot_info_list(bs
, &snapshots
, NULL
) == 0;
3557 aio_context_release(ctx
);
3562 snapshot
= snapshots
;
3564 char *completion
= snapshot
->value
->name
;
3565 if (!strncmp(str
, completion
, len
)) {
3566 readline_add_completion(rs
, completion
);
3568 completion
= snapshot
->value
->id
;
3569 if (!strncmp(str
, completion
, len
)) {
3570 readline_add_completion(rs
, completion
);
3572 snapshot
= snapshot
->next
;
3574 qapi_free_SnapshotInfoList(snapshots
);
3579 void delvm_completion(ReadLineState
*rs
, int nb_args
, const char *str
)
3582 vm_completion(rs
, str
);
3586 void loadvm_completion(ReadLineState
*rs
, int nb_args
, const char *str
)
3589 vm_completion(rs
, str
);
3593 static void monitor_find_completion_by_table(Monitor
*mon
,
3594 const mon_cmd_t
*cmd_table
,
3598 const char *cmdname
;
3600 const char *ptype
, *str
, *name
;
3601 const mon_cmd_t
*cmd
;
3602 BlockBackend
*blk
= NULL
;
3605 /* command completion */
3610 readline_set_completion_index(mon
->rs
, strlen(cmdname
));
3611 for (cmd
= cmd_table
; cmd
->name
!= NULL
; cmd
++) {
3612 cmd_completion(mon
, cmdname
, cmd
->name
);
3615 /* find the command */
3616 for (cmd
= cmd_table
; cmd
->name
!= NULL
; cmd
++) {
3617 if (compare_cmd(args
[0], cmd
->name
)) {
3625 if (cmd
->sub_table
) {
3626 /* do the job again */
3627 monitor_find_completion_by_table(mon
, cmd
->sub_table
,
3628 &args
[1], nb_args
- 1);
3631 if (cmd
->command_completion
) {
3632 cmd
->command_completion(mon
->rs
, nb_args
, args
[nb_args
- 1]);
3636 ptype
= next_arg_type(cmd
->args_type
);
3637 for(i
= 0; i
< nb_args
- 2; i
++) {
3638 if (*ptype
!= '\0') {
3639 ptype
= next_arg_type(ptype
);
3640 while (*ptype
== '?')
3641 ptype
= next_arg_type(ptype
);
3644 str
= args
[nb_args
- 1];
3645 while (*ptype
== '-' && ptype
[1] != '\0') {
3646 ptype
= next_arg_type(ptype
);
3650 /* file completion */
3651 readline_set_completion_index(mon
->rs
, strlen(str
));
3652 file_completion(mon
, str
);
3655 /* block device name completion */
3656 readline_set_completion_index(mon
->rs
, strlen(str
));
3657 while ((blk
= blk_next(blk
)) != NULL
) {
3658 name
= blk_name(blk
);
3659 if (str
[0] == '\0' ||
3660 !strncmp(name
, str
, strlen(str
))) {
3661 readline_add_completion(mon
->rs
, name
);
3667 if (!strcmp(cmd
->name
, "help|?")) {
3668 monitor_find_completion_by_table(mon
, cmd_table
,
3669 &args
[1], nb_args
- 1);
3678 static void monitor_find_completion(void *opaque
,
3679 const char *cmdline
)
3681 Monitor
*mon
= opaque
;
3682 char *args
[MAX_ARGS
];
3685 /* 1. parse the cmdline */
3686 if (parse_cmdline(cmdline
, &nb_args
, args
) < 0) {
3690 /* if the line ends with a space, it means we want to complete the
3692 len
= strlen(cmdline
);
3693 if (len
> 0 && qemu_isspace(cmdline
[len
- 1])) {
3694 if (nb_args
>= MAX_ARGS
) {
3697 args
[nb_args
++] = g_strdup("");
3700 /* 2. auto complete according to args */
3701 monitor_find_completion_by_table(mon
, mon
->cmd_table
, args
, nb_args
);
3704 free_cmdline_args(args
, nb_args
);
3707 static int monitor_can_read(void *opaque
)
3709 Monitor
*mon
= opaque
;
3711 return (mon
->suspend_cnt
== 0) ? 1 : 0;
3714 static void handle_qmp_command(JSONMessageParser
*parser
, GQueue
*tokens
)
3716 QObject
*req
, *rsp
= NULL
, *id
= NULL
;
3717 QDict
*qdict
= NULL
;
3718 Monitor
*mon
= cur_mon
;
3721 req
= json_parser_parse_err(tokens
, NULL
, &err
);
3723 /* json_parser_parse_err() sucks: can fail without setting @err */
3724 error_setg(&err
, QERR_JSON_PARSING
);
3730 qdict
= qobject_to_qdict(req
);
3732 id
= qdict_get(qdict
, "id");
3734 qdict_del(qdict
, "id");
3735 } /* else will fail qmp_dispatch() */
3737 rsp
= qmp_dispatch(cur_mon
->qmp
.commands
, req
);
3739 if (mon
->qmp
.commands
== &qmp_cap_negotiation_commands
) {
3740 qdict
= qdict_get_qdict(qobject_to_qdict(rsp
), "error");
3742 && !g_strcmp0(qdict_get_try_str(qdict
, "class"),
3743 QapiErrorClass_lookup
[ERROR_CLASS_COMMAND_NOT_FOUND
])) {
3744 /* Provide a more useful error message */
3745 qdict_del(qdict
, "desc");
3746 qdict_put_str(qdict
, "desc", "Expecting capabilities negotiation"
3747 " with 'qmp_capabilities'");
3753 qdict
= qdict_new();
3754 qdict_put_obj(qdict
, "error", qmp_build_error_object(err
));
3756 rsp
= QOBJECT(qdict
);
3761 qdict_put_obj(qobject_to_qdict(rsp
), "id", id
);
3765 monitor_json_emitter(mon
, rsp
);
3769 qobject_decref(rsp
);
3770 qobject_decref(req
);
3773 static void monitor_qmp_read(void *opaque
, const uint8_t *buf
, int size
)
3775 Monitor
*old_mon
= cur_mon
;
3779 json_message_parser_feed(&cur_mon
->qmp
.parser
, (const char *) buf
, size
);
3784 static void monitor_read(void *opaque
, const uint8_t *buf
, int size
)
3786 Monitor
*old_mon
= cur_mon
;
3792 for (i
= 0; i
< size
; i
++)
3793 readline_handle_byte(cur_mon
->rs
, buf
[i
]);
3795 if (size
== 0 || buf
[size
- 1] != 0)
3796 monitor_printf(cur_mon
, "corrupted command\n");
3798 handle_hmp_command(cur_mon
, (char *)buf
);
3804 static void monitor_command_cb(void *opaque
, const char *cmdline
,
3805 void *readline_opaque
)
3807 Monitor
*mon
= opaque
;
3809 monitor_suspend(mon
);
3810 handle_hmp_command(mon
, cmdline
);
3811 monitor_resume(mon
);
3814 int monitor_suspend(Monitor
*mon
)
3822 void monitor_resume(Monitor
*mon
)
3826 if (--mon
->suspend_cnt
== 0)
3827 readline_show_prompt(mon
->rs
);
3830 static QObject
*get_qmp_greeting(void)
3832 QObject
*ver
= NULL
;
3834 qmp_marshal_query_version(NULL
, &ver
, NULL
);
3836 return qobject_from_jsonf("{'QMP': {'version': %p, 'capabilities': []}}",
3840 static void monitor_qmp_event(void *opaque
, int event
)
3843 Monitor
*mon
= opaque
;
3846 case CHR_EVENT_OPENED
:
3847 mon
->qmp
.commands
= &qmp_cap_negotiation_commands
;
3848 data
= get_qmp_greeting();
3849 monitor_json_emitter(mon
, data
);
3850 qobject_decref(data
);
3853 case CHR_EVENT_CLOSED
:
3854 json_message_parser_destroy(&mon
->qmp
.parser
);
3855 json_message_parser_init(&mon
->qmp
.parser
, handle_qmp_command
);
3857 monitor_fdsets_cleanup();
3862 static void monitor_event(void *opaque
, int event
)
3864 Monitor
*mon
= opaque
;
3867 case CHR_EVENT_MUX_IN
:
3868 qemu_mutex_lock(&mon
->out_lock
);
3870 qemu_mutex_unlock(&mon
->out_lock
);
3871 if (mon
->reset_seen
) {
3872 readline_restart(mon
->rs
);
3873 monitor_resume(mon
);
3876 mon
->suspend_cnt
= 0;
3880 case CHR_EVENT_MUX_OUT
:
3881 if (mon
->reset_seen
) {
3882 if (mon
->suspend_cnt
== 0) {
3883 monitor_printf(mon
, "\n");
3886 monitor_suspend(mon
);
3890 qemu_mutex_lock(&mon
->out_lock
);
3892 qemu_mutex_unlock(&mon
->out_lock
);
3895 case CHR_EVENT_OPENED
:
3896 monitor_printf(mon
, "QEMU %s monitor - type 'help' for more "
3897 "information\n", QEMU_VERSION
);
3898 if (!mon
->mux_out
) {
3899 readline_restart(mon
->rs
);
3900 readline_show_prompt(mon
->rs
);
3902 mon
->reset_seen
= 1;
3906 case CHR_EVENT_CLOSED
:
3908 monitor_fdsets_cleanup();
3914 compare_mon_cmd(const void *a
, const void *b
)
3916 return strcmp(((const mon_cmd_t
*)a
)->name
,
3917 ((const mon_cmd_t
*)b
)->name
);
3920 static void sortcmdlist(void)
3923 int elem_size
= sizeof(mon_cmd_t
);
3925 array_num
= sizeof(mon_cmds
)/elem_size
-1;
3926 qsort((void *)mon_cmds
, array_num
, elem_size
, compare_mon_cmd
);
3928 array_num
= sizeof(info_cmds
)/elem_size
-1;
3929 qsort((void *)info_cmds
, array_num
, elem_size
, compare_mon_cmd
);
3932 /* These functions just adapt the readline interface in a typesafe way. We
3933 * could cast function pointers but that discards compiler checks.
3935 static void GCC_FMT_ATTR(2, 3) monitor_readline_printf(void *opaque
,
3936 const char *fmt
, ...)
3940 monitor_vprintf(opaque
, fmt
, ap
);
3944 static void monitor_readline_flush(void *opaque
)
3946 monitor_flush(opaque
);
3950 * Print to current monitor if we have one, else to stderr.
3951 * TODO should return int, so callers can calculate width, but that
3952 * requires surgery to monitor_vprintf(). Left for another day.
3954 void error_vprintf(const char *fmt
, va_list ap
)
3956 if (cur_mon
&& !monitor_cur_is_qmp()) {
3957 monitor_vprintf(cur_mon
, fmt
, ap
);
3959 vfprintf(stderr
, fmt
, ap
);
3963 void error_vprintf_unless_qmp(const char *fmt
, va_list ap
)
3965 if (cur_mon
&& !monitor_cur_is_qmp()) {
3966 monitor_vprintf(cur_mon
, fmt
, ap
);
3967 } else if (!cur_mon
) {
3968 vfprintf(stderr
, fmt
, ap
);
3972 static void __attribute__((constructor
)) monitor_lock_init(void)
3974 qemu_mutex_init(&monitor_lock
);
3977 void monitor_init(Chardev
*chr
, int flags
)
3979 static int is_first_init
= 1;
3982 if (is_first_init
) {
3983 monitor_qapi_event_init();
3988 mon
= g_malloc(sizeof(*mon
));
3989 monitor_data_init(mon
);
3991 qemu_chr_fe_init(&mon
->chr
, chr
, &error_abort
);
3993 if (flags
& MONITOR_USE_READLINE
) {
3994 mon
->rs
= readline_init(monitor_readline_printf
,
3995 monitor_readline_flush
,
3997 monitor_find_completion
);
3998 monitor_read_command(mon
, 0);
4001 if (monitor_is_qmp(mon
)) {
4002 qemu_chr_fe_set_handlers(&mon
->chr
, monitor_can_read
, monitor_qmp_read
,
4003 monitor_qmp_event
, mon
, NULL
, true);
4004 qemu_chr_fe_set_echo(&mon
->chr
, true);
4005 json_message_parser_init(&mon
->qmp
.parser
, handle_qmp_command
);
4007 qemu_chr_fe_set_handlers(&mon
->chr
, monitor_can_read
, monitor_read
,
4008 monitor_event
, mon
, NULL
, true);
4011 qemu_mutex_lock(&monitor_lock
);
4012 QLIST_INSERT_HEAD(&mon_list
, mon
, entry
);
4013 qemu_mutex_unlock(&monitor_lock
);
4016 void monitor_cleanup(void)
4018 Monitor
*mon
, *next
;
4020 qemu_mutex_lock(&monitor_lock
);
4021 QLIST_FOREACH_SAFE(mon
, &mon_list
, entry
, next
) {
4022 QLIST_REMOVE(mon
, entry
);
4023 monitor_data_destroy(mon
);
4026 qemu_mutex_unlock(&monitor_lock
);
4029 static void bdrv_password_cb(void *opaque
, const char *password
,
4030 void *readline_opaque
)
4032 Monitor
*mon
= opaque
;
4033 BlockDriverState
*bs
= readline_opaque
;
4035 Error
*local_err
= NULL
;
4037 bdrv_add_key(bs
, password
, &local_err
);
4039 error_report_err(local_err
);
4042 if (mon
->password_completion_cb
)
4043 mon
->password_completion_cb(mon
->password_opaque
, ret
);
4045 monitor_read_command(mon
, 1);
4048 int monitor_read_bdrv_key_start(Monitor
*mon
, BlockDriverState
*bs
,
4049 BlockCompletionFunc
*completion_cb
,
4054 monitor_printf(mon
, "%s (%s) is encrypted.\n", bdrv_get_device_name(bs
),
4055 bdrv_get_encrypted_filename(bs
));
4057 mon
->password_completion_cb
= completion_cb
;
4058 mon
->password_opaque
= opaque
;
4060 err
= monitor_read_password(mon
, bdrv_password_cb
, bs
);
4062 if (err
&& completion_cb
)
4063 completion_cb(opaque
, err
);
4068 int monitor_read_block_device_key(Monitor
*mon
, const char *device
,
4069 BlockCompletionFunc
*completion_cb
,
4075 blk
= blk_by_name(device
);
4077 monitor_printf(mon
, "Device not found %s\n", device
);
4081 monitor_printf(mon
, "Device '%s' has no medium\n", device
);
4085 bdrv_add_key(blk_bs(blk
), NULL
, &err
);
4088 return monitor_read_bdrv_key_start(mon
, blk_bs(blk
), completion_cb
, opaque
);
4091 if (completion_cb
) {
4092 completion_cb(opaque
, 0);
4097 QemuOptsList qemu_mon_opts
= {
4099 .implied_opt_name
= "chardev",
4100 .head
= QTAILQ_HEAD_INITIALIZER(qemu_mon_opts
.head
),
4104 .type
= QEMU_OPT_STRING
,
4107 .type
= QEMU_OPT_STRING
,
4109 .name
= "default", /* deprecated */
4110 .type
= QEMU_OPT_BOOL
,
4113 .type
= QEMU_OPT_BOOL
,
4115 { /* end of list */ }
4120 void qmp_rtc_reset_reinjection(Error
**errp
)
4122 error_setg(errp
, QERR_FEATURE_DISABLED
, "rtc-reset-reinjection");
4126 #ifndef TARGET_S390X
4127 void qmp_dump_skeys(const char *filename
, Error
**errp
)
4129 error_setg(errp
, QERR_FEATURE_DISABLED
, "dump-skeys");
4134 GICCapabilityList
*qmp_query_gic_capabilities(Error
**errp
)
4136 error_setg(errp
, QERR_FEATURE_DISABLED
, "query-gic-capabilities");
4141 HotpluggableCPUList
*qmp_query_hotpluggable_cpus(Error
**errp
)
4143 MachineState
*ms
= MACHINE(qdev_get_machine());
4144 MachineClass
*mc
= MACHINE_GET_CLASS(ms
);
4146 if (!mc
->has_hotpluggable_cpus
) {
4147 error_setg(errp
, QERR_FEATURE_DISABLED
, "query-hotpluggable-cpus");
4151 return machine_query_hotpluggable_cpus(ms
);