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");
989 #if !defined(TARGET_S390X)
990 qmp_unregister_command("query-cpu-model-expansion");
991 qmp_unregister_command("query-cpu-model-baseline");
992 qmp_unregister_command("query-cpu-model-comparison");
994 #if !defined(TARGET_PPC) && !defined(TARGET_ARM) && !defined(TARGET_I386) \
995 && !defined(TARGET_S390X)
996 qmp_unregister_command("query-cpu-definitions");
1000 static void qmp_init_marshal(void)
1002 qmp_register_command("query-qmp-schema", qmp_query_qmp_schema
,
1004 qmp_register_command("device_add", qmp_device_add
,
1006 qmp_register_command("netdev_add", qmp_netdev_add
,
1009 /* call it after the rest of qapi_init() */
1010 register_module_init(qmp_unregister_commands_hack
, MODULE_INIT_QAPI
);
1013 qapi_init(qmp_init_marshal
);
1015 /* set the current CPU defined by the user */
1016 int monitor_set_cpu(int cpu_index
)
1020 cpu
= qemu_get_cpu(cpu_index
);
1024 cur_mon
->mon_cpu
= cpu
;
1028 CPUState
*mon_get_cpu(void)
1030 if (!cur_mon
->mon_cpu
) {
1031 monitor_set_cpu(first_cpu
->cpu_index
);
1033 cpu_synchronize_state(cur_mon
->mon_cpu
);
1034 return cur_mon
->mon_cpu
;
1037 CPUArchState
*mon_get_cpu_env(void)
1039 return mon_get_cpu()->env_ptr
;
1042 int monitor_get_cpu_index(void)
1044 return mon_get_cpu()->cpu_index
;
1047 static void hmp_info_registers(Monitor
*mon
, const QDict
*qdict
)
1049 cpu_dump_state(mon_get_cpu(), (FILE *)mon
, monitor_fprintf
, CPU_DUMP_FPU
);
1052 static void hmp_info_jit(Monitor
*mon
, const QDict
*qdict
)
1054 dump_exec_info((FILE *)mon
, monitor_fprintf
);
1055 dump_drift_info((FILE *)mon
, monitor_fprintf
);
1058 static void hmp_info_opcount(Monitor
*mon
, const QDict
*qdict
)
1060 dump_opcount_info((FILE *)mon
, monitor_fprintf
);
1063 static void hmp_info_history(Monitor
*mon
, const QDict
*qdict
)
1072 str
= readline_get_history(mon
->rs
, i
);
1075 monitor_printf(mon
, "%d: '%s'\n", i
, str
);
1080 static void hmp_info_cpustats(Monitor
*mon
, const QDict
*qdict
)
1082 cpu_dump_statistics(mon_get_cpu(), (FILE *)mon
, &monitor_fprintf
, 0);
1085 static void hmp_info_trace_events(Monitor
*mon
, const QDict
*qdict
)
1087 const char *name
= qdict_get_try_str(qdict
, "name");
1088 bool has_vcpu
= qdict_haskey(qdict
, "vcpu");
1089 int vcpu
= qdict_get_try_int(qdict
, "vcpu", 0);
1090 TraceEventInfoList
*events
;
1091 TraceEventInfoList
*elem
;
1092 Error
*local_err
= NULL
;
1098 monitor_printf(mon
, "argument vcpu must be positive");
1102 events
= qmp_trace_event_get_state(name
, has_vcpu
, vcpu
, &local_err
);
1104 error_report_err(local_err
);
1108 for (elem
= events
; elem
!= NULL
; elem
= elem
->next
) {
1109 monitor_printf(mon
, "%s : state %u\n",
1111 elem
->value
->state
== TRACE_EVENT_STATE_ENABLED
? 1 : 0);
1113 qapi_free_TraceEventInfoList(events
);
1116 void qmp_client_migrate_info(const char *protocol
, const char *hostname
,
1117 bool has_port
, int64_t port
,
1118 bool has_tls_port
, int64_t tls_port
,
1119 bool has_cert_subject
, const char *cert_subject
,
1122 if (strcmp(protocol
, "spice") == 0) {
1123 if (!qemu_using_spice(errp
)) {
1127 if (!has_port
&& !has_tls_port
) {
1128 error_setg(errp
, QERR_MISSING_PARAMETER
, "port/tls-port");
1132 if (qemu_spice_migrate_info(hostname
,
1133 has_port
? port
: -1,
1134 has_tls_port
? tls_port
: -1,
1136 error_setg(errp
, QERR_UNDEFINED_ERROR
);
1142 error_setg(errp
, QERR_INVALID_PARAMETER_VALUE
, "protocol", "spice");
1145 static void hmp_logfile(Monitor
*mon
, const QDict
*qdict
)
1149 qemu_set_log_filename(qdict_get_str(qdict
, "filename"), &err
);
1151 error_report_err(err
);
1155 static void hmp_log(Monitor
*mon
, const QDict
*qdict
)
1158 const char *items
= qdict_get_str(qdict
, "items");
1160 if (!strcmp(items
, "none")) {
1163 mask
= qemu_str_to_log_mask(items
);
1165 help_cmd(mon
, "log");
1172 static void hmp_singlestep(Monitor
*mon
, const QDict
*qdict
)
1174 const char *option
= qdict_get_try_str(qdict
, "option");
1175 if (!option
|| !strcmp(option
, "on")) {
1177 } else if (!strcmp(option
, "off")) {
1180 monitor_printf(mon
, "unexpected option %s\n", option
);
1184 static void hmp_gdbserver(Monitor
*mon
, const QDict
*qdict
)
1186 const char *device
= qdict_get_try_str(qdict
, "device");
1188 device
= "tcp::" DEFAULT_GDBSTUB_PORT
;
1189 if (gdbserver_start(device
) < 0) {
1190 monitor_printf(mon
, "Could not open gdbserver on device '%s'\n",
1192 } else if (strcmp(device
, "none") == 0) {
1193 monitor_printf(mon
, "Disabled gdbserver\n");
1195 monitor_printf(mon
, "Waiting for gdb connection on device '%s'\n",
1200 static void hmp_watchdog_action(Monitor
*mon
, const QDict
*qdict
)
1202 const char *action
= qdict_get_str(qdict
, "action");
1203 if (select_watchdog_action(action
) == -1) {
1204 monitor_printf(mon
, "Unknown watchdog action '%s'\n", action
);
1208 static void monitor_printc(Monitor
*mon
, int c
)
1210 monitor_printf(mon
, "'");
1213 monitor_printf(mon
, "\\'");
1216 monitor_printf(mon
, "\\\\");
1219 monitor_printf(mon
, "\\n");
1222 monitor_printf(mon
, "\\r");
1225 if (c
>= 32 && c
<= 126) {
1226 monitor_printf(mon
, "%c", c
);
1228 monitor_printf(mon
, "\\x%02x", c
);
1232 monitor_printf(mon
, "'");
1235 static void memory_dump(Monitor
*mon
, int count
, int format
, int wsize
,
1236 hwaddr addr
, int is_physical
)
1238 int l
, line_size
, i
, max_digits
, len
;
1242 if (format
== 'i') {
1245 CPUArchState
*env
= mon_get_cpu_env();
1248 } else if (wsize
== 4) {
1251 /* as default we use the current CS size */
1254 #ifdef TARGET_X86_64
1255 if ((env
->efer
& MSR_EFER_LMA
) &&
1256 (env
->segs
[R_CS
].flags
& DESC_L_MASK
))
1260 if (!(env
->segs
[R_CS
].flags
& DESC_B_MASK
))
1266 CPUArchState
*env
= mon_get_cpu_env();
1267 flags
= msr_le
<< 16;
1268 flags
|= env
->bfd_mach
;
1270 monitor_disas(mon
, mon_get_cpu(), addr
, count
, is_physical
, flags
);
1274 len
= wsize
* count
;
1283 max_digits
= (wsize
* 8 + 2) / 3;
1287 max_digits
= (wsize
* 8) / 4;
1291 max_digits
= (wsize
* 8 * 10 + 32) / 33;
1300 monitor_printf(mon
, TARGET_FMT_plx
":", addr
);
1302 monitor_printf(mon
, TARGET_FMT_lx
":", (target_ulong
)addr
);
1307 cpu_physical_memory_read(addr
, buf
, l
);
1309 if (cpu_memory_rw_debug(mon_get_cpu(), addr
, buf
, l
, 0) < 0) {
1310 monitor_printf(mon
, " Cannot access memory\n");
1319 v
= ldub_p(buf
+ i
);
1322 v
= lduw_p(buf
+ i
);
1325 v
= (uint32_t)ldl_p(buf
+ i
);
1331 monitor_printf(mon
, " ");
1334 monitor_printf(mon
, "%#*" PRIo64
, max_digits
, v
);
1337 monitor_printf(mon
, "0x%0*" PRIx64
, max_digits
, v
);
1340 monitor_printf(mon
, "%*" PRIu64
, max_digits
, v
);
1343 monitor_printf(mon
, "%*" PRId64
, max_digits
, v
);
1346 monitor_printc(mon
, v
);
1351 monitor_printf(mon
, "\n");
1357 static void hmp_memory_dump(Monitor
*mon
, const QDict
*qdict
)
1359 int count
= qdict_get_int(qdict
, "count");
1360 int format
= qdict_get_int(qdict
, "format");
1361 int size
= qdict_get_int(qdict
, "size");
1362 target_long addr
= qdict_get_int(qdict
, "addr");
1364 memory_dump(mon
, count
, format
, size
, addr
, 0);
1367 static void hmp_physical_memory_dump(Monitor
*mon
, const QDict
*qdict
)
1369 int count
= qdict_get_int(qdict
, "count");
1370 int format
= qdict_get_int(qdict
, "format");
1371 int size
= qdict_get_int(qdict
, "size");
1372 hwaddr addr
= qdict_get_int(qdict
, "addr");
1374 memory_dump(mon
, count
, format
, size
, addr
, 1);
1377 static void do_print(Monitor
*mon
, const QDict
*qdict
)
1379 int format
= qdict_get_int(qdict
, "format");
1380 hwaddr val
= qdict_get_int(qdict
, "val");
1384 monitor_printf(mon
, "%#" HWADDR_PRIo
, val
);
1387 monitor_printf(mon
, "%#" HWADDR_PRIx
, val
);
1390 monitor_printf(mon
, "%" HWADDR_PRIu
, val
);
1394 monitor_printf(mon
, "%" HWADDR_PRId
, val
);
1397 monitor_printc(mon
, val
);
1400 monitor_printf(mon
, "\n");
1403 static void hmp_sum(Monitor
*mon
, const QDict
*qdict
)
1407 uint32_t start
= qdict_get_int(qdict
, "start");
1408 uint32_t size
= qdict_get_int(qdict
, "size");
1411 for(addr
= start
; addr
< (start
+ size
); addr
++) {
1412 uint8_t val
= address_space_ldub(&address_space_memory
, addr
,
1413 MEMTXATTRS_UNSPECIFIED
, NULL
);
1414 /* BSD sum algorithm ('sum' Unix command) */
1415 sum
= (sum
>> 1) | (sum
<< 15);
1418 monitor_printf(mon
, "%05d\n", sum
);
1421 static int mouse_button_state
;
1423 static void hmp_mouse_move(Monitor
*mon
, const QDict
*qdict
)
1425 int dx
, dy
, dz
, button
;
1426 const char *dx_str
= qdict_get_str(qdict
, "dx_str");
1427 const char *dy_str
= qdict_get_str(qdict
, "dy_str");
1428 const char *dz_str
= qdict_get_try_str(qdict
, "dz_str");
1430 dx
= strtol(dx_str
, NULL
, 0);
1431 dy
= strtol(dy_str
, NULL
, 0);
1432 qemu_input_queue_rel(NULL
, INPUT_AXIS_X
, dx
);
1433 qemu_input_queue_rel(NULL
, INPUT_AXIS_Y
, dy
);
1436 dz
= strtol(dz_str
, NULL
, 0);
1438 button
= (dz
> 0) ? INPUT_BUTTON_WHEEL_UP
: INPUT_BUTTON_WHEEL_DOWN
;
1439 qemu_input_queue_btn(NULL
, button
, true);
1440 qemu_input_event_sync();
1441 qemu_input_queue_btn(NULL
, button
, false);
1444 qemu_input_event_sync();
1447 static void hmp_mouse_button(Monitor
*mon
, const QDict
*qdict
)
1449 static uint32_t bmap
[INPUT_BUTTON__MAX
] = {
1450 [INPUT_BUTTON_LEFT
] = MOUSE_EVENT_LBUTTON
,
1451 [INPUT_BUTTON_MIDDLE
] = MOUSE_EVENT_MBUTTON
,
1452 [INPUT_BUTTON_RIGHT
] = MOUSE_EVENT_RBUTTON
,
1454 int button_state
= qdict_get_int(qdict
, "button_state");
1456 if (mouse_button_state
== button_state
) {
1459 qemu_input_update_buttons(NULL
, bmap
, mouse_button_state
, button_state
);
1460 qemu_input_event_sync();
1461 mouse_button_state
= button_state
;
1464 static void hmp_ioport_read(Monitor
*mon
, const QDict
*qdict
)
1466 int size
= qdict_get_int(qdict
, "size");
1467 int addr
= qdict_get_int(qdict
, "addr");
1468 int has_index
= qdict_haskey(qdict
, "index");
1473 int index
= qdict_get_int(qdict
, "index");
1474 cpu_outb(addr
& IOPORTS_MASK
, index
& 0xff);
1482 val
= cpu_inb(addr
);
1486 val
= cpu_inw(addr
);
1490 val
= cpu_inl(addr
);
1494 monitor_printf(mon
, "port%c[0x%04x] = %#0*x\n",
1495 suffix
, addr
, size
* 2, val
);
1498 static void hmp_ioport_write(Monitor
*mon
, const QDict
*qdict
)
1500 int size
= qdict_get_int(qdict
, "size");
1501 int addr
= qdict_get_int(qdict
, "addr");
1502 int val
= qdict_get_int(qdict
, "val");
1504 addr
&= IOPORTS_MASK
;
1509 cpu_outb(addr
, val
);
1512 cpu_outw(addr
, val
);
1515 cpu_outl(addr
, val
);
1520 static void hmp_boot_set(Monitor
*mon
, const QDict
*qdict
)
1522 Error
*local_err
= NULL
;
1523 const char *bootdevice
= qdict_get_str(qdict
, "bootdevice");
1525 qemu_boot_set(bootdevice
, &local_err
);
1527 error_report_err(local_err
);
1529 monitor_printf(mon
, "boot device list now set to %s\n", bootdevice
);
1533 static void hmp_info_mtree(Monitor
*mon
, const QDict
*qdict
)
1535 mtree_info((fprintf_function
)monitor_printf
, mon
);
1538 static void hmp_info_numa(Monitor
*mon
, const QDict
*qdict
)
1544 node_mem
= g_new0(uint64_t, nb_numa_nodes
);
1545 query_numa_node_mem(node_mem
);
1546 monitor_printf(mon
, "%d nodes\n", nb_numa_nodes
);
1547 for (i
= 0; i
< nb_numa_nodes
; i
++) {
1548 monitor_printf(mon
, "node %d cpus:", i
);
1550 if (cpu
->numa_node
== i
) {
1551 monitor_printf(mon
, " %d", cpu
->cpu_index
);
1554 monitor_printf(mon
, "\n");
1555 monitor_printf(mon
, "node %d size: %" PRId64
" MB\n", i
,
1561 #ifdef CONFIG_PROFILER
1566 static void hmp_info_profile(Monitor
*mon
, const QDict
*qdict
)
1568 monitor_printf(mon
, "async time %" PRId64
" (%0.3f)\n",
1569 dev_time
, dev_time
/ (double)NANOSECONDS_PER_SECOND
);
1570 monitor_printf(mon
, "qemu time %" PRId64
" (%0.3f)\n",
1571 tcg_time
, tcg_time
/ (double)NANOSECONDS_PER_SECOND
);
1576 static void hmp_info_profile(Monitor
*mon
, const QDict
*qdict
)
1578 monitor_printf(mon
, "Internal profiler not compiled\n");
1582 /* Capture support */
1583 static QLIST_HEAD (capture_list_head
, CaptureState
) capture_head
;
1585 static void hmp_info_capture(Monitor
*mon
, const QDict
*qdict
)
1590 for (s
= capture_head
.lh_first
, i
= 0; s
; s
= s
->entries
.le_next
, ++i
) {
1591 monitor_printf(mon
, "[%d]: ", i
);
1592 s
->ops
.info (s
->opaque
);
1596 static void hmp_stopcapture(Monitor
*mon
, const QDict
*qdict
)
1599 int n
= qdict_get_int(qdict
, "n");
1602 for (s
= capture_head
.lh_first
, i
= 0; s
; s
= s
->entries
.le_next
, ++i
) {
1604 s
->ops
.destroy (s
->opaque
);
1605 QLIST_REMOVE (s
, entries
);
1612 static void hmp_wavcapture(Monitor
*mon
, const QDict
*qdict
)
1614 const char *path
= qdict_get_str(qdict
, "path");
1615 int has_freq
= qdict_haskey(qdict
, "freq");
1616 int freq
= qdict_get_try_int(qdict
, "freq", -1);
1617 int has_bits
= qdict_haskey(qdict
, "bits");
1618 int bits
= qdict_get_try_int(qdict
, "bits", -1);
1619 int has_channels
= qdict_haskey(qdict
, "nchannels");
1620 int nchannels
= qdict_get_try_int(qdict
, "nchannels", -1);
1623 s
= g_malloc0 (sizeof (*s
));
1625 freq
= has_freq
? freq
: 44100;
1626 bits
= has_bits
? bits
: 16;
1627 nchannels
= has_channels
? nchannels
: 2;
1629 if (wav_start_capture (s
, path
, freq
, bits
, nchannels
)) {
1630 monitor_printf(mon
, "Failed to add wave capture\n");
1634 QLIST_INSERT_HEAD (&capture_head
, s
, entries
);
1637 static qemu_acl
*find_acl(Monitor
*mon
, const char *name
)
1639 qemu_acl
*acl
= qemu_acl_find(name
);
1642 monitor_printf(mon
, "acl: unknown list '%s'\n", name
);
1647 static void hmp_acl_show(Monitor
*mon
, const QDict
*qdict
)
1649 const char *aclname
= qdict_get_str(qdict
, "aclname");
1650 qemu_acl
*acl
= find_acl(mon
, aclname
);
1651 qemu_acl_entry
*entry
;
1655 monitor_printf(mon
, "policy: %s\n",
1656 acl
->defaultDeny
? "deny" : "allow");
1657 QTAILQ_FOREACH(entry
, &acl
->entries
, next
) {
1659 monitor_printf(mon
, "%d: %s %s\n", i
,
1660 entry
->deny
? "deny" : "allow", entry
->match
);
1665 static void hmp_acl_reset(Monitor
*mon
, const QDict
*qdict
)
1667 const char *aclname
= qdict_get_str(qdict
, "aclname");
1668 qemu_acl
*acl
= find_acl(mon
, aclname
);
1671 qemu_acl_reset(acl
);
1672 monitor_printf(mon
, "acl: removed all rules\n");
1676 static void hmp_acl_policy(Monitor
*mon
, const QDict
*qdict
)
1678 const char *aclname
= qdict_get_str(qdict
, "aclname");
1679 const char *policy
= qdict_get_str(qdict
, "policy");
1680 qemu_acl
*acl
= find_acl(mon
, aclname
);
1683 if (strcmp(policy
, "allow") == 0) {
1684 acl
->defaultDeny
= 0;
1685 monitor_printf(mon
, "acl: policy set to 'allow'\n");
1686 } else if (strcmp(policy
, "deny") == 0) {
1687 acl
->defaultDeny
= 1;
1688 monitor_printf(mon
, "acl: policy set to 'deny'\n");
1690 monitor_printf(mon
, "acl: unknown policy '%s', "
1691 "expected 'deny' or 'allow'\n", policy
);
1696 static void hmp_acl_add(Monitor
*mon
, const QDict
*qdict
)
1698 const char *aclname
= qdict_get_str(qdict
, "aclname");
1699 const char *match
= qdict_get_str(qdict
, "match");
1700 const char *policy
= qdict_get_str(qdict
, "policy");
1701 int has_index
= qdict_haskey(qdict
, "index");
1702 int index
= qdict_get_try_int(qdict
, "index", -1);
1703 qemu_acl
*acl
= find_acl(mon
, aclname
);
1707 if (strcmp(policy
, "allow") == 0) {
1709 } else if (strcmp(policy
, "deny") == 0) {
1712 monitor_printf(mon
, "acl: unknown policy '%s', "
1713 "expected 'deny' or 'allow'\n", policy
);
1717 ret
= qemu_acl_insert(acl
, deny
, match
, index
);
1719 ret
= qemu_acl_append(acl
, deny
, match
);
1721 monitor_printf(mon
, "acl: unable to add acl entry\n");
1723 monitor_printf(mon
, "acl: added rule at position %d\n", ret
);
1727 static void hmp_acl_remove(Monitor
*mon
, const QDict
*qdict
)
1729 const char *aclname
= qdict_get_str(qdict
, "aclname");
1730 const char *match
= qdict_get_str(qdict
, "match");
1731 qemu_acl
*acl
= find_acl(mon
, aclname
);
1735 ret
= qemu_acl_remove(acl
, match
);
1737 monitor_printf(mon
, "acl: no matching acl entry\n");
1739 monitor_printf(mon
, "acl: removed rule at position %d\n", ret
);
1743 void qmp_getfd(const char *fdname
, Error
**errp
)
1748 fd
= qemu_chr_fe_get_msgfd(cur_mon
->chr
);
1750 error_setg(errp
, QERR_FD_NOT_SUPPLIED
);
1754 if (qemu_isdigit(fdname
[0])) {
1756 error_setg(errp
, QERR_INVALID_PARAMETER_VALUE
, "fdname",
1757 "a name not starting with a digit");
1761 QLIST_FOREACH(monfd
, &cur_mon
->fds
, next
) {
1762 if (strcmp(monfd
->name
, fdname
) != 0) {
1771 monfd
= g_malloc0(sizeof(mon_fd_t
));
1772 monfd
->name
= g_strdup(fdname
);
1775 QLIST_INSERT_HEAD(&cur_mon
->fds
, monfd
, next
);
1778 void qmp_closefd(const char *fdname
, Error
**errp
)
1782 QLIST_FOREACH(monfd
, &cur_mon
->fds
, next
) {
1783 if (strcmp(monfd
->name
, fdname
) != 0) {
1787 QLIST_REMOVE(monfd
, next
);
1789 g_free(monfd
->name
);
1794 error_setg(errp
, QERR_FD_NOT_FOUND
, fdname
);
1797 static void hmp_loadvm(Monitor
*mon
, const QDict
*qdict
)
1799 int saved_vm_running
= runstate_is_running();
1800 const char *name
= qdict_get_str(qdict
, "name");
1802 vm_stop(RUN_STATE_RESTORE_VM
);
1804 if (load_vmstate(name
) == 0 && saved_vm_running
) {
1809 int monitor_get_fd(Monitor
*mon
, const char *fdname
, Error
**errp
)
1813 QLIST_FOREACH(monfd
, &mon
->fds
, next
) {
1816 if (strcmp(monfd
->name
, fdname
) != 0) {
1822 /* caller takes ownership of fd */
1823 QLIST_REMOVE(monfd
, next
);
1824 g_free(monfd
->name
);
1830 error_setg(errp
, "File descriptor named '%s' has not been found", fdname
);
1834 static void monitor_fdset_cleanup(MonFdset
*mon_fdset
)
1836 MonFdsetFd
*mon_fdset_fd
;
1837 MonFdsetFd
*mon_fdset_fd_next
;
1839 QLIST_FOREACH_SAFE(mon_fdset_fd
, &mon_fdset
->fds
, next
, mon_fdset_fd_next
) {
1840 if ((mon_fdset_fd
->removed
||
1841 (QLIST_EMPTY(&mon_fdset
->dup_fds
) && mon_refcount
== 0)) &&
1842 runstate_is_running()) {
1843 close(mon_fdset_fd
->fd
);
1844 g_free(mon_fdset_fd
->opaque
);
1845 QLIST_REMOVE(mon_fdset_fd
, next
);
1846 g_free(mon_fdset_fd
);
1850 if (QLIST_EMPTY(&mon_fdset
->fds
) && QLIST_EMPTY(&mon_fdset
->dup_fds
)) {
1851 QLIST_REMOVE(mon_fdset
, next
);
1856 static void monitor_fdsets_cleanup(void)
1858 MonFdset
*mon_fdset
;
1859 MonFdset
*mon_fdset_next
;
1861 QLIST_FOREACH_SAFE(mon_fdset
, &mon_fdsets
, next
, mon_fdset_next
) {
1862 monitor_fdset_cleanup(mon_fdset
);
1866 AddfdInfo
*qmp_add_fd(bool has_fdset_id
, int64_t fdset_id
, bool has_opaque
,
1867 const char *opaque
, Error
**errp
)
1870 Monitor
*mon
= cur_mon
;
1873 fd
= qemu_chr_fe_get_msgfd(mon
->chr
);
1875 error_setg(errp
, QERR_FD_NOT_SUPPLIED
);
1879 fdinfo
= monitor_fdset_add_fd(fd
, has_fdset_id
, fdset_id
,
1880 has_opaque
, opaque
, errp
);
1892 void qmp_remove_fd(int64_t fdset_id
, bool has_fd
, int64_t fd
, Error
**errp
)
1894 MonFdset
*mon_fdset
;
1895 MonFdsetFd
*mon_fdset_fd
;
1898 QLIST_FOREACH(mon_fdset
, &mon_fdsets
, next
) {
1899 if (mon_fdset
->id
!= fdset_id
) {
1902 QLIST_FOREACH(mon_fdset_fd
, &mon_fdset
->fds
, next
) {
1904 if (mon_fdset_fd
->fd
!= fd
) {
1907 mon_fdset_fd
->removed
= true;
1910 mon_fdset_fd
->removed
= true;
1913 if (has_fd
&& !mon_fdset_fd
) {
1916 monitor_fdset_cleanup(mon_fdset
);
1922 snprintf(fd_str
, sizeof(fd_str
), "fdset-id:%" PRId64
", fd:%" PRId64
,
1925 snprintf(fd_str
, sizeof(fd_str
), "fdset-id:%" PRId64
, fdset_id
);
1927 error_setg(errp
, QERR_FD_NOT_FOUND
, fd_str
);
1930 FdsetInfoList
*qmp_query_fdsets(Error
**errp
)
1932 MonFdset
*mon_fdset
;
1933 MonFdsetFd
*mon_fdset_fd
;
1934 FdsetInfoList
*fdset_list
= NULL
;
1936 QLIST_FOREACH(mon_fdset
, &mon_fdsets
, next
) {
1937 FdsetInfoList
*fdset_info
= g_malloc0(sizeof(*fdset_info
));
1938 FdsetFdInfoList
*fdsetfd_list
= NULL
;
1940 fdset_info
->value
= g_malloc0(sizeof(*fdset_info
->value
));
1941 fdset_info
->value
->fdset_id
= mon_fdset
->id
;
1943 QLIST_FOREACH(mon_fdset_fd
, &mon_fdset
->fds
, next
) {
1944 FdsetFdInfoList
*fdsetfd_info
;
1946 fdsetfd_info
= g_malloc0(sizeof(*fdsetfd_info
));
1947 fdsetfd_info
->value
= g_malloc0(sizeof(*fdsetfd_info
->value
));
1948 fdsetfd_info
->value
->fd
= mon_fdset_fd
->fd
;
1949 if (mon_fdset_fd
->opaque
) {
1950 fdsetfd_info
->value
->has_opaque
= true;
1951 fdsetfd_info
->value
->opaque
= g_strdup(mon_fdset_fd
->opaque
);
1953 fdsetfd_info
->value
->has_opaque
= false;
1956 fdsetfd_info
->next
= fdsetfd_list
;
1957 fdsetfd_list
= fdsetfd_info
;
1960 fdset_info
->value
->fds
= fdsetfd_list
;
1962 fdset_info
->next
= fdset_list
;
1963 fdset_list
= fdset_info
;
1969 AddfdInfo
*monitor_fdset_add_fd(int fd
, bool has_fdset_id
, int64_t fdset_id
,
1970 bool has_opaque
, const char *opaque
,
1973 MonFdset
*mon_fdset
= NULL
;
1974 MonFdsetFd
*mon_fdset_fd
;
1978 QLIST_FOREACH(mon_fdset
, &mon_fdsets
, next
) {
1979 /* Break if match found or match impossible due to ordering by ID */
1980 if (fdset_id
<= mon_fdset
->id
) {
1981 if (fdset_id
< mon_fdset
->id
) {
1989 if (mon_fdset
== NULL
) {
1990 int64_t fdset_id_prev
= -1;
1991 MonFdset
*mon_fdset_cur
= QLIST_FIRST(&mon_fdsets
);
1995 error_setg(errp
, QERR_INVALID_PARAMETER_VALUE
, "fdset-id",
1996 "a non-negative value");
1999 /* Use specified fdset ID */
2000 QLIST_FOREACH(mon_fdset
, &mon_fdsets
, next
) {
2001 mon_fdset_cur
= mon_fdset
;
2002 if (fdset_id
< mon_fdset_cur
->id
) {
2007 /* Use first available fdset ID */
2008 QLIST_FOREACH(mon_fdset
, &mon_fdsets
, next
) {
2009 mon_fdset_cur
= mon_fdset
;
2010 if (fdset_id_prev
== mon_fdset_cur
->id
- 1) {
2011 fdset_id_prev
= mon_fdset_cur
->id
;
2018 mon_fdset
= g_malloc0(sizeof(*mon_fdset
));
2020 mon_fdset
->id
= fdset_id
;
2022 mon_fdset
->id
= fdset_id_prev
+ 1;
2025 /* The fdset list is ordered by fdset ID */
2026 if (!mon_fdset_cur
) {
2027 QLIST_INSERT_HEAD(&mon_fdsets
, mon_fdset
, next
);
2028 } else if (mon_fdset
->id
< mon_fdset_cur
->id
) {
2029 QLIST_INSERT_BEFORE(mon_fdset_cur
, mon_fdset
, next
);
2031 QLIST_INSERT_AFTER(mon_fdset_cur
, mon_fdset
, next
);
2035 mon_fdset_fd
= g_malloc0(sizeof(*mon_fdset_fd
));
2036 mon_fdset_fd
->fd
= fd
;
2037 mon_fdset_fd
->removed
= false;
2039 mon_fdset_fd
->opaque
= g_strdup(opaque
);
2041 QLIST_INSERT_HEAD(&mon_fdset
->fds
, mon_fdset_fd
, next
);
2043 fdinfo
= g_malloc0(sizeof(*fdinfo
));
2044 fdinfo
->fdset_id
= mon_fdset
->id
;
2045 fdinfo
->fd
= mon_fdset_fd
->fd
;
2050 int monitor_fdset_get_fd(int64_t fdset_id
, int flags
)
2053 MonFdset
*mon_fdset
;
2054 MonFdsetFd
*mon_fdset_fd
;
2057 QLIST_FOREACH(mon_fdset
, &mon_fdsets
, next
) {
2058 if (mon_fdset
->id
!= fdset_id
) {
2061 QLIST_FOREACH(mon_fdset_fd
, &mon_fdset
->fds
, next
) {
2062 mon_fd_flags
= fcntl(mon_fdset_fd
->fd
, F_GETFL
);
2063 if (mon_fd_flags
== -1) {
2067 if ((flags
& O_ACCMODE
) == (mon_fd_flags
& O_ACCMODE
)) {
2068 return mon_fdset_fd
->fd
;
2080 int monitor_fdset_dup_fd_add(int64_t fdset_id
, int dup_fd
)
2082 MonFdset
*mon_fdset
;
2083 MonFdsetFd
*mon_fdset_fd_dup
;
2085 QLIST_FOREACH(mon_fdset
, &mon_fdsets
, next
) {
2086 if (mon_fdset
->id
!= fdset_id
) {
2089 QLIST_FOREACH(mon_fdset_fd_dup
, &mon_fdset
->dup_fds
, next
) {
2090 if (mon_fdset_fd_dup
->fd
== dup_fd
) {
2094 mon_fdset_fd_dup
= g_malloc0(sizeof(*mon_fdset_fd_dup
));
2095 mon_fdset_fd_dup
->fd
= dup_fd
;
2096 QLIST_INSERT_HEAD(&mon_fdset
->dup_fds
, mon_fdset_fd_dup
, next
);
2102 static int monitor_fdset_dup_fd_find_remove(int dup_fd
, bool remove
)
2104 MonFdset
*mon_fdset
;
2105 MonFdsetFd
*mon_fdset_fd_dup
;
2107 QLIST_FOREACH(mon_fdset
, &mon_fdsets
, next
) {
2108 QLIST_FOREACH(mon_fdset_fd_dup
, &mon_fdset
->dup_fds
, next
) {
2109 if (mon_fdset_fd_dup
->fd
== dup_fd
) {
2111 QLIST_REMOVE(mon_fdset_fd_dup
, next
);
2112 if (QLIST_EMPTY(&mon_fdset
->dup_fds
)) {
2113 monitor_fdset_cleanup(mon_fdset
);
2117 return mon_fdset
->id
;
2125 int monitor_fdset_dup_fd_find(int dup_fd
)
2127 return monitor_fdset_dup_fd_find_remove(dup_fd
, false);
2130 void monitor_fdset_dup_fd_remove(int dup_fd
)
2132 monitor_fdset_dup_fd_find_remove(dup_fd
, true);
2135 int monitor_fd_param(Monitor
*mon
, const char *fdname
, Error
**errp
)
2138 Error
*local_err
= NULL
;
2140 if (!qemu_isdigit(fdname
[0]) && mon
) {
2141 fd
= monitor_get_fd(mon
, fdname
, &local_err
);
2143 fd
= qemu_parse_fd(fdname
);
2145 error_setg(&local_err
, "Invalid file descriptor number '%s'",
2150 error_propagate(errp
, local_err
);
2159 /* Please update hmp-commands.hx when adding or changing commands */
2160 static mon_cmd_t info_cmds
[] = {
2161 #include "hmp-commands-info.h"
2165 /* mon_cmds and info_cmds would be sorted at runtime */
2166 static mon_cmd_t mon_cmds
[] = {
2167 #include "hmp-commands.h"
2171 /*******************************************************************/
2173 static const char *pch
;
2174 static sigjmp_buf expr_env
;
2177 static void GCC_FMT_ATTR(2, 3) QEMU_NORETURN
2178 expr_error(Monitor
*mon
, const char *fmt
, ...)
2182 monitor_vprintf(mon
, fmt
, ap
);
2183 monitor_printf(mon
, "\n");
2185 siglongjmp(expr_env
, 1);
2188 /* return 0 if OK, -1 if not found */
2189 static int get_monitor_def(target_long
*pval
, const char *name
)
2191 const MonitorDef
*md
= target_monitor_defs();
2200 for(; md
->name
!= NULL
; md
++) {
2201 if (compare_cmd(name
, md
->name
)) {
2202 if (md
->get_value
) {
2203 *pval
= md
->get_value(md
, md
->offset
);
2205 CPUArchState
*env
= mon_get_cpu_env();
2206 ptr
= (uint8_t *)env
+ md
->offset
;
2209 *pval
= *(int32_t *)ptr
;
2212 *pval
= *(target_long
*)ptr
;
2223 ret
= target_get_monitor_def(mon_get_cpu(), name
, &tmp
);
2225 *pval
= (target_long
) tmp
;
2231 static void next(void)
2235 while (qemu_isspace(*pch
))
2240 static int64_t expr_sum(Monitor
*mon
);
2242 static int64_t expr_unary(Monitor
*mon
)
2251 n
= expr_unary(mon
);
2255 n
= -expr_unary(mon
);
2259 n
= ~expr_unary(mon
);
2265 expr_error(mon
, "')' expected");
2272 expr_error(mon
, "character constant expected");
2276 expr_error(mon
, "missing terminating \' character");
2286 while ((*pch
>= 'a' && *pch
<= 'z') ||
2287 (*pch
>= 'A' && *pch
<= 'Z') ||
2288 (*pch
>= '0' && *pch
<= '9') ||
2289 *pch
== '_' || *pch
== '.') {
2290 if ((q
- buf
) < sizeof(buf
) - 1)
2294 while (qemu_isspace(*pch
))
2297 ret
= get_monitor_def(®
, buf
);
2299 expr_error(mon
, "unknown register");
2304 expr_error(mon
, "unexpected end of expression");
2309 n
= strtoull(pch
, &p
, 0);
2310 if (errno
== ERANGE
) {
2311 expr_error(mon
, "number too large");
2314 expr_error(mon
, "invalid char '%c' in expression", *p
);
2317 while (qemu_isspace(*pch
))
2325 static int64_t expr_prod(Monitor
*mon
)
2330 val
= expr_unary(mon
);
2333 if (op
!= '*' && op
!= '/' && op
!= '%')
2336 val2
= expr_unary(mon
);
2345 expr_error(mon
, "division by zero");
2356 static int64_t expr_logic(Monitor
*mon
)
2361 val
= expr_prod(mon
);
2364 if (op
!= '&' && op
!= '|' && op
!= '^')
2367 val2
= expr_prod(mon
);
2384 static int64_t expr_sum(Monitor
*mon
)
2389 val
= expr_logic(mon
);
2392 if (op
!= '+' && op
!= '-')
2395 val2
= expr_logic(mon
);
2404 static int get_expr(Monitor
*mon
, int64_t *pval
, const char **pp
)
2407 if (sigsetjmp(expr_env
, 0)) {
2411 while (qemu_isspace(*pch
))
2413 *pval
= expr_sum(mon
);
2418 static int get_double(Monitor
*mon
, double *pval
, const char **pp
)
2420 const char *p
= *pp
;
2424 d
= strtod(p
, &tailp
);
2426 monitor_printf(mon
, "Number expected\n");
2429 if (d
!= d
|| d
- d
!= 0) {
2430 /* NaN or infinity */
2431 monitor_printf(mon
, "Bad number\n");
2440 * Store the command-name in cmdname, and return a pointer to
2441 * the remaining of the command string.
2443 static const char *get_command_name(const char *cmdline
,
2444 char *cmdname
, size_t nlen
)
2447 const char *p
, *pstart
;
2450 while (qemu_isspace(*p
))
2455 while (*p
!= '\0' && *p
!= '/' && !qemu_isspace(*p
))
2460 memcpy(cmdname
, pstart
, len
);
2461 cmdname
[len
] = '\0';
2466 * Read key of 'type' into 'key' and return the current
2469 static char *key_get_info(const char *type
, char **key
)
2477 p
= strchr(type
, ':');
2484 str
= g_malloc(len
+ 1);
2485 memcpy(str
, type
, len
);
2492 static int default_fmt_format
= 'x';
2493 static int default_fmt_size
= 4;
2495 static int is_valid_option(const char *c
, const char *typestr
)
2503 typestr
= strstr(typestr
, option
);
2504 return (typestr
!= NULL
);
2507 static const mon_cmd_t
*search_dispatch_table(const mon_cmd_t
*disp_table
,
2508 const char *cmdname
)
2510 const mon_cmd_t
*cmd
;
2512 for (cmd
= disp_table
; cmd
->name
!= NULL
; cmd
++) {
2513 if (compare_cmd(cmdname
, cmd
->name
)) {
2522 * Parse command name from @cmdp according to command table @table.
2523 * If blank, return NULL.
2524 * Else, if no valid command can be found, report to @mon, and return
2526 * Else, change @cmdp to point right behind the name, and return its
2527 * command table entry.
2528 * Do not assume the return value points into @table! It doesn't when
2529 * the command is found in a sub-command table.
2531 static const mon_cmd_t
*monitor_parse_command(Monitor
*mon
,
2536 const mon_cmd_t
*cmd
;
2539 /* extract the command name */
2540 p
= get_command_name(*cmdp
, cmdname
, sizeof(cmdname
));
2544 cmd
= search_dispatch_table(table
, cmdname
);
2546 monitor_printf(mon
, "unknown command: '%.*s'\n",
2547 (int)(p
- *cmdp
), *cmdp
);
2551 /* filter out following useless space */
2552 while (qemu_isspace(*p
)) {
2557 /* search sub command */
2558 if (cmd
->sub_table
!= NULL
&& *p
!= '\0') {
2559 return monitor_parse_command(mon
, cmdp
, cmd
->sub_table
);
2566 * Parse arguments for @cmd.
2567 * If it can't be parsed, report to @mon, and return NULL.
2568 * Else, insert command arguments into a QDict, and return it.
2569 * Note: On success, caller has to free the QDict structure.
2572 static QDict
*monitor_parse_arguments(Monitor
*mon
,
2574 const mon_cmd_t
*cmd
)
2576 const char *typestr
;
2579 const char *p
= *endp
;
2581 QDict
*qdict
= qdict_new();
2583 /* parse the parameters */
2584 typestr
= cmd
->args_type
;
2586 typestr
= key_get_info(typestr
, &key
);
2598 while (qemu_isspace(*p
))
2600 if (*typestr
== '?') {
2603 /* no optional string: NULL argument */
2607 ret
= get_str(buf
, sizeof(buf
), &p
);
2611 monitor_printf(mon
, "%s: filename expected\n",
2615 monitor_printf(mon
, "%s: block device name expected\n",
2619 monitor_printf(mon
, "%s: string expected\n", cmd
->name
);
2624 qdict_put(qdict
, key
, qstring_from_str(buf
));
2629 QemuOptsList
*opts_list
;
2632 opts_list
= qemu_find_opts(key
);
2633 if (!opts_list
|| opts_list
->desc
->name
) {
2636 while (qemu_isspace(*p
)) {
2641 if (get_str(buf
, sizeof(buf
), &p
) < 0) {
2644 opts
= qemu_opts_parse_noisily(opts_list
, buf
, true);
2648 qemu_opts_to_qdict(opts
, qdict
);
2649 qemu_opts_del(opts
);
2654 int count
, format
, size
;
2656 while (qemu_isspace(*p
))
2662 if (qemu_isdigit(*p
)) {
2664 while (qemu_isdigit(*p
)) {
2665 count
= count
* 10 + (*p
- '0');
2703 if (*p
!= '\0' && !qemu_isspace(*p
)) {
2704 monitor_printf(mon
, "invalid char in format: '%c'\n",
2709 format
= default_fmt_format
;
2710 if (format
!= 'i') {
2711 /* for 'i', not specifying a size gives -1 as size */
2713 size
= default_fmt_size
;
2714 default_fmt_size
= size
;
2716 default_fmt_format
= format
;
2719 format
= default_fmt_format
;
2720 if (format
!= 'i') {
2721 size
= default_fmt_size
;
2726 qdict_put(qdict
, "count", qint_from_int(count
));
2727 qdict_put(qdict
, "format", qint_from_int(format
));
2728 qdict_put(qdict
, "size", qint_from_int(size
));
2737 while (qemu_isspace(*p
))
2739 if (*typestr
== '?' || *typestr
== '.') {
2740 if (*typestr
== '?') {
2748 while (qemu_isspace(*p
))
2757 if (get_expr(mon
, &val
, &p
))
2759 /* Check if 'i' is greater than 32-bit */
2760 if ((c
== 'i') && ((val
>> 32) & 0xffffffff)) {
2761 monitor_printf(mon
, "\'%s\' has failed: ", cmd
->name
);
2762 monitor_printf(mon
, "integer is for 32-bit values\n");
2764 } else if (c
== 'M') {
2766 monitor_printf(mon
, "enter a positive value\n");
2771 qdict_put(qdict
, key
, qint_from_int(val
));
2779 while (qemu_isspace(*p
)) {
2782 if (*typestr
== '?') {
2788 val
= qemu_strtosz(p
, &end
);
2790 monitor_printf(mon
, "invalid size\n");
2793 qdict_put(qdict
, key
, qint_from_int(val
));
2801 while (qemu_isspace(*p
))
2803 if (*typestr
== '?') {
2809 if (get_double(mon
, &val
, &p
) < 0) {
2812 if (p
[0] && p
[1] == 's') {
2815 val
/= 1e3
; p
+= 2; break;
2817 val
/= 1e6
; p
+= 2; break;
2819 val
/= 1e9
; p
+= 2; break;
2822 if (*p
&& !qemu_isspace(*p
)) {
2823 monitor_printf(mon
, "Unknown unit suffix\n");
2826 qdict_put(qdict
, key
, qfloat_from_double(val
));
2834 while (qemu_isspace(*p
)) {
2838 while (qemu_isgraph(*p
)) {
2841 if (p
- beg
== 2 && !memcmp(beg
, "on", p
- beg
)) {
2843 } else if (p
- beg
== 3 && !memcmp(beg
, "off", p
- beg
)) {
2846 monitor_printf(mon
, "Expected 'on' or 'off'\n");
2849 qdict_put(qdict
, key
, qbool_from_bool(val
));
2854 const char *tmp
= p
;
2861 while (qemu_isspace(*p
))
2866 if(!is_valid_option(p
, typestr
)) {
2868 monitor_printf(mon
, "%s: unsupported option -%c\n",
2880 qdict_put(qdict
, key
, qbool_from_bool(true));
2887 /* package all remaining string */
2890 while (qemu_isspace(*p
)) {
2893 if (*typestr
== '?') {
2896 /* no remaining string: NULL argument */
2902 monitor_printf(mon
, "%s: string expected\n",
2906 qdict_put(qdict
, key
, qstring_from_str(p
));
2912 monitor_printf(mon
, "%s: unknown type '%c'\n", cmd
->name
, c
);
2918 /* check that all arguments were parsed */
2919 while (qemu_isspace(*p
))
2922 monitor_printf(mon
, "%s: extraneous characters at the end of line\n",
2935 static void handle_hmp_command(Monitor
*mon
, const char *cmdline
)
2938 const mon_cmd_t
*cmd
;
2940 cmd
= monitor_parse_command(mon
, &cmdline
, mon
->cmd_table
);
2945 qdict
= monitor_parse_arguments(mon
, &cmdline
, cmd
);
2947 monitor_printf(mon
, "Try \"help %s\" for more information\n",
2952 cmd
->cmd(mon
, qdict
);
2956 static void cmd_completion(Monitor
*mon
, const char *name
, const char *list
)
2958 const char *p
, *pstart
;
2967 p
= pstart
+ strlen(pstart
);
2969 if (len
> sizeof(cmd
) - 2)
2970 len
= sizeof(cmd
) - 2;
2971 memcpy(cmd
, pstart
, len
);
2973 if (name
[0] == '\0' || !strncmp(name
, cmd
, strlen(name
))) {
2974 readline_add_completion(mon
->rs
, cmd
);
2982 static void file_completion(Monitor
*mon
, const char *input
)
2987 char file
[1024], file_prefix
[1024];
2991 p
= strrchr(input
, '/');
2994 pstrcpy(file_prefix
, sizeof(file_prefix
), input
);
2995 pstrcpy(path
, sizeof(path
), ".");
2997 input_path_len
= p
- input
+ 1;
2998 memcpy(path
, input
, input_path_len
);
2999 if (input_path_len
> sizeof(path
) - 1)
3000 input_path_len
= sizeof(path
) - 1;
3001 path
[input_path_len
] = '\0';
3002 pstrcpy(file_prefix
, sizeof(file_prefix
), p
+ 1);
3005 ffs
= opendir(path
);
3014 if (strcmp(d
->d_name
, ".") == 0 || strcmp(d
->d_name
, "..") == 0) {
3018 if (strstart(d
->d_name
, file_prefix
, NULL
)) {
3019 memcpy(file
, input
, input_path_len
);
3020 if (input_path_len
< sizeof(file
))
3021 pstrcpy(file
+ input_path_len
, sizeof(file
) - input_path_len
,
3023 /* stat the file to find out if it's a directory.
3024 * In that case add a slash to speed up typing long paths
3026 if (stat(file
, &sb
) == 0 && S_ISDIR(sb
.st_mode
)) {
3027 pstrcat(file
, sizeof(file
), "/");
3029 readline_add_completion(mon
->rs
, file
);
3035 static const char *next_arg_type(const char *typestr
)
3037 const char *p
= strchr(typestr
, ':');
3038 return (p
!= NULL
? ++p
: typestr
);
3041 static void add_completion_option(ReadLineState
*rs
, const char *str
,
3044 if (!str
|| !option
) {
3047 if (!strncmp(option
, str
, strlen(str
))) {
3048 readline_add_completion(rs
, option
);
3052 void chardev_add_completion(ReadLineState
*rs
, int nb_args
, const char *str
)
3055 ChardevBackendInfoList
*list
, *start
;
3061 readline_set_completion_index(rs
, len
);
3063 start
= list
= qmp_query_chardev_backends(NULL
);
3065 const char *chr_name
= list
->value
->name
;
3067 if (!strncmp(chr_name
, str
, len
)) {
3068 readline_add_completion(rs
, chr_name
);
3072 qapi_free_ChardevBackendInfoList(start
);
3075 void netdev_add_completion(ReadLineState
*rs
, int nb_args
, const char *str
)
3084 readline_set_completion_index(rs
, len
);
3085 for (i
= 0; NetClientDriver_lookup
[i
]; i
++) {
3086 add_completion_option(rs
, str
, NetClientDriver_lookup
[i
]);
3090 void device_add_completion(ReadLineState
*rs
, int nb_args
, const char *str
)
3100 readline_set_completion_index(rs
, len
);
3101 list
= elt
= object_class_get_list(TYPE_DEVICE
, false);
3104 DeviceClass
*dc
= OBJECT_CLASS_CHECK(DeviceClass
, elt
->data
,
3106 name
= object_class_get_name(OBJECT_CLASS(dc
));
3108 if (!dc
->cannot_instantiate_with_device_add_yet
3109 && !strncmp(name
, str
, len
)) {
3110 readline_add_completion(rs
, name
);
3117 void object_add_completion(ReadLineState
*rs
, int nb_args
, const char *str
)
3127 readline_set_completion_index(rs
, len
);
3128 list
= elt
= object_class_get_list(TYPE_USER_CREATABLE
, false);
3132 name
= object_class_get_name(OBJECT_CLASS(elt
->data
));
3133 if (!strncmp(name
, str
, len
) && strcmp(name
, TYPE_USER_CREATABLE
)) {
3134 readline_add_completion(rs
, name
);
3141 static void peripheral_device_del_completion(ReadLineState
*rs
,
3142 const char *str
, size_t len
)
3144 Object
*peripheral
= container_get(qdev_get_machine(), "/peripheral");
3145 GSList
*list
, *item
;
3147 list
= qdev_build_hotpluggable_device_list(peripheral
);
3152 for (item
= list
; item
; item
= g_slist_next(item
)) {
3153 DeviceState
*dev
= item
->data
;
3155 if (dev
->id
&& !strncmp(str
, dev
->id
, len
)) {
3156 readline_add_completion(rs
, dev
->id
);
3163 void chardev_remove_completion(ReadLineState
*rs
, int nb_args
, const char *str
)
3166 ChardevInfoList
*list
, *start
;
3172 readline_set_completion_index(rs
, len
);
3174 start
= list
= qmp_query_chardev(NULL
);
3176 ChardevInfo
*chr
= list
->value
;
3178 if (!strncmp(chr
->label
, str
, len
)) {
3179 readline_add_completion(rs
, chr
->label
);
3183 qapi_free_ChardevInfoList(start
);
3186 static void ringbuf_completion(ReadLineState
*rs
, const char *str
)
3189 ChardevInfoList
*list
, *start
;
3192 readline_set_completion_index(rs
, len
);
3194 start
= list
= qmp_query_chardev(NULL
);
3196 ChardevInfo
*chr_info
= list
->value
;
3198 if (!strncmp(chr_info
->label
, str
, len
)) {
3199 CharDriverState
*chr
= qemu_chr_find(chr_info
->label
);
3200 if (chr
&& chr_is_ringbuf(chr
)) {
3201 readline_add_completion(rs
, chr_info
->label
);
3206 qapi_free_ChardevInfoList(start
);
3209 void ringbuf_write_completion(ReadLineState
*rs
, int nb_args
, const char *str
)
3214 ringbuf_completion(rs
, str
);
3217 void device_del_completion(ReadLineState
*rs
, int nb_args
, const char *str
)
3226 readline_set_completion_index(rs
, len
);
3227 peripheral_device_del_completion(rs
, str
, len
);
3230 void object_del_completion(ReadLineState
*rs
, int nb_args
, const char *str
)
3232 ObjectPropertyInfoList
*list
, *start
;
3239 readline_set_completion_index(rs
, len
);
3241 start
= list
= qmp_qom_list("/objects", NULL
);
3243 ObjectPropertyInfo
*info
= list
->value
;
3245 if (!strncmp(info
->type
, "child<", 5)
3246 && !strncmp(info
->name
, str
, len
)) {
3247 readline_add_completion(rs
, info
->name
);
3251 qapi_free_ObjectPropertyInfoList(start
);
3254 void sendkey_completion(ReadLineState
*rs
, int nb_args
, const char *str
)
3263 sep
= strrchr(str
, '-');
3268 readline_set_completion_index(rs
, len
);
3269 for (i
= 0; i
< Q_KEY_CODE__MAX
; i
++) {
3270 if (!strncmp(str
, QKeyCode_lookup
[i
], len
)) {
3271 readline_add_completion(rs
, QKeyCode_lookup
[i
]);
3276 void set_link_completion(ReadLineState
*rs
, int nb_args
, const char *str
)
3281 readline_set_completion_index(rs
, len
);
3283 NetClientState
*ncs
[MAX_QUEUE_NUM
];
3285 count
= qemu_find_net_clients_except(NULL
, ncs
,
3286 NET_CLIENT_DRIVER_NONE
,
3288 for (i
= 0; i
< MIN(count
, MAX_QUEUE_NUM
); i
++) {
3289 const char *name
= ncs
[i
]->name
;
3290 if (!strncmp(str
, name
, len
)) {
3291 readline_add_completion(rs
, name
);
3294 } else if (nb_args
== 3) {
3295 add_completion_option(rs
, str
, "on");
3296 add_completion_option(rs
, str
, "off");
3300 void netdev_del_completion(ReadLineState
*rs
, int nb_args
, const char *str
)
3303 NetClientState
*ncs
[MAX_QUEUE_NUM
];
3310 readline_set_completion_index(rs
, len
);
3311 count
= qemu_find_net_clients_except(NULL
, ncs
, NET_CLIENT_DRIVER_NIC
,
3313 for (i
= 0; i
< MIN(count
, MAX_QUEUE_NUM
); i
++) {
3315 const char *name
= ncs
[i
]->name
;
3316 if (strncmp(str
, name
, len
)) {
3319 opts
= qemu_opts_find(qemu_find_opts_err("netdev", NULL
), name
);
3321 readline_add_completion(rs
, name
);
3326 void info_trace_events_completion(ReadLineState
*rs
, int nb_args
, const char *str
)
3331 readline_set_completion_index(rs
, len
);
3333 TraceEventIter iter
;
3335 char *pattern
= g_strdup_printf("%s*", str
);
3336 trace_event_iter_init(&iter
, pattern
);
3337 while ((ev
= trace_event_iter_next(&iter
)) != NULL
) {
3338 readline_add_completion(rs
, trace_event_get_name(ev
));
3344 void trace_event_completion(ReadLineState
*rs
, int nb_args
, const char *str
)
3349 readline_set_completion_index(rs
, len
);
3351 TraceEventIter iter
;
3353 char *pattern
= g_strdup_printf("%s*", str
);
3354 trace_event_iter_init(&iter
, pattern
);
3355 while ((ev
= trace_event_iter_next(&iter
)) != NULL
) {
3356 readline_add_completion(rs
, trace_event_get_name(ev
));
3359 } else if (nb_args
== 3) {
3360 add_completion_option(rs
, str
, "on");
3361 add_completion_option(rs
, str
, "off");
3365 void watchdog_action_completion(ReadLineState
*rs
, int nb_args
, const char *str
)
3372 readline_set_completion_index(rs
, strlen(str
));
3373 for (i
= 0; WatchdogExpirationAction_lookup
[i
]; i
++) {
3374 add_completion_option(rs
, str
, WatchdogExpirationAction_lookup
[i
]);
3378 void migrate_set_capability_completion(ReadLineState
*rs
, int nb_args
,
3384 readline_set_completion_index(rs
, len
);
3387 for (i
= 0; i
< MIGRATION_CAPABILITY__MAX
; i
++) {
3388 const char *name
= MigrationCapability_lookup
[i
];
3389 if (!strncmp(str
, name
, len
)) {
3390 readline_add_completion(rs
, name
);
3393 } else if (nb_args
== 3) {
3394 add_completion_option(rs
, str
, "on");
3395 add_completion_option(rs
, str
, "off");
3399 void migrate_set_parameter_completion(ReadLineState
*rs
, int nb_args
,
3405 readline_set_completion_index(rs
, len
);
3408 for (i
= 0; i
< MIGRATION_PARAMETER__MAX
; i
++) {
3409 const char *name
= MigrationParameter_lookup
[i
];
3410 if (!strncmp(str
, name
, len
)) {
3411 readline_add_completion(rs
, name
);
3417 void host_net_add_completion(ReadLineState
*rs
, int nb_args
, const char *str
)
3425 readline_set_completion_index(rs
, len
);
3426 for (i
= 0; host_net_devices
[i
]; i
++) {
3427 if (!strncmp(host_net_devices
[i
], str
, len
)) {
3428 readline_add_completion(rs
, host_net_devices
[i
]);
3433 void host_net_remove_completion(ReadLineState
*rs
, int nb_args
, const char *str
)
3435 NetClientState
*ncs
[MAX_QUEUE_NUM
];
3439 readline_set_completion_index(rs
, len
);
3441 count
= qemu_find_net_clients_except(NULL
, ncs
,
3442 NET_CLIENT_DRIVER_NONE
,
3444 for (i
= 0; i
< MIN(count
, MAX_QUEUE_NUM
); i
++) {
3448 if (net_hub_id_for_client(ncs
[i
], &id
)) {
3451 snprintf(name
, sizeof(name
), "%d", id
);
3452 if (!strncmp(str
, name
, len
)) {
3453 readline_add_completion(rs
, name
);
3457 } else if (nb_args
== 3) {
3458 count
= qemu_find_net_clients_except(NULL
, ncs
,
3459 NET_CLIENT_DRIVER_NIC
,
3461 for (i
= 0; i
< MIN(count
, MAX_QUEUE_NUM
); i
++) {
3465 if (ncs
[i
]->info
->type
== NET_CLIENT_DRIVER_HUBPORT
||
3466 net_hub_id_for_client(ncs
[i
], &id
)) {
3469 name
= ncs
[i
]->name
;
3470 if (!strncmp(str
, name
, len
)) {
3471 readline_add_completion(rs
, name
);
3478 static void vm_completion(ReadLineState
*rs
, const char *str
)
3481 BlockDriverState
*bs
;
3482 BdrvNextIterator it
;
3485 readline_set_completion_index(rs
, len
);
3487 for (bs
= bdrv_first(&it
); bs
; bs
= bdrv_next(&it
)) {
3488 SnapshotInfoList
*snapshots
, *snapshot
;
3489 AioContext
*ctx
= bdrv_get_aio_context(bs
);
3492 aio_context_acquire(ctx
);
3493 if (bdrv_can_snapshot(bs
)) {
3494 ok
= bdrv_query_snapshot_info_list(bs
, &snapshots
, NULL
) == 0;
3496 aio_context_release(ctx
);
3501 snapshot
= snapshots
;
3503 char *completion
= snapshot
->value
->name
;
3504 if (!strncmp(str
, completion
, len
)) {
3505 readline_add_completion(rs
, completion
);
3507 completion
= snapshot
->value
->id
;
3508 if (!strncmp(str
, completion
, len
)) {
3509 readline_add_completion(rs
, completion
);
3511 snapshot
= snapshot
->next
;
3513 qapi_free_SnapshotInfoList(snapshots
);
3518 void delvm_completion(ReadLineState
*rs
, int nb_args
, const char *str
)
3521 vm_completion(rs
, str
);
3525 void loadvm_completion(ReadLineState
*rs
, int nb_args
, const char *str
)
3528 vm_completion(rs
, str
);
3532 static void monitor_find_completion_by_table(Monitor
*mon
,
3533 const mon_cmd_t
*cmd_table
,
3537 const char *cmdname
;
3539 const char *ptype
, *str
, *name
;
3540 const mon_cmd_t
*cmd
;
3541 BlockBackend
*blk
= NULL
;
3544 /* command completion */
3549 readline_set_completion_index(mon
->rs
, strlen(cmdname
));
3550 for (cmd
= cmd_table
; cmd
->name
!= NULL
; cmd
++) {
3551 cmd_completion(mon
, cmdname
, cmd
->name
);
3554 /* find the command */
3555 for (cmd
= cmd_table
; cmd
->name
!= NULL
; cmd
++) {
3556 if (compare_cmd(args
[0], cmd
->name
)) {
3564 if (cmd
->sub_table
) {
3565 /* do the job again */
3566 monitor_find_completion_by_table(mon
, cmd
->sub_table
,
3567 &args
[1], nb_args
- 1);
3570 if (cmd
->command_completion
) {
3571 cmd
->command_completion(mon
->rs
, nb_args
, args
[nb_args
- 1]);
3575 ptype
= next_arg_type(cmd
->args_type
);
3576 for(i
= 0; i
< nb_args
- 2; i
++) {
3577 if (*ptype
!= '\0') {
3578 ptype
= next_arg_type(ptype
);
3579 while (*ptype
== '?')
3580 ptype
= next_arg_type(ptype
);
3583 str
= args
[nb_args
- 1];
3584 while (*ptype
== '-' && ptype
[1] != '\0') {
3585 ptype
= next_arg_type(ptype
);
3589 /* file completion */
3590 readline_set_completion_index(mon
->rs
, strlen(str
));
3591 file_completion(mon
, str
);
3594 /* block device name completion */
3595 readline_set_completion_index(mon
->rs
, strlen(str
));
3596 while ((blk
= blk_next(blk
)) != NULL
) {
3597 name
= blk_name(blk
);
3598 if (str
[0] == '\0' ||
3599 !strncmp(name
, str
, strlen(str
))) {
3600 readline_add_completion(mon
->rs
, name
);
3606 if (!strcmp(cmd
->name
, "help|?")) {
3607 monitor_find_completion_by_table(mon
, cmd_table
,
3608 &args
[1], nb_args
- 1);
3617 static void monitor_find_completion(void *opaque
,
3618 const char *cmdline
)
3620 Monitor
*mon
= opaque
;
3621 char *args
[MAX_ARGS
];
3624 /* 1. parse the cmdline */
3625 if (parse_cmdline(cmdline
, &nb_args
, args
) < 0) {
3629 /* if the line ends with a space, it means we want to complete the
3631 len
= strlen(cmdline
);
3632 if (len
> 0 && qemu_isspace(cmdline
[len
- 1])) {
3633 if (nb_args
>= MAX_ARGS
) {
3636 args
[nb_args
++] = g_strdup("");
3639 /* 2. auto complete according to args */
3640 monitor_find_completion_by_table(mon
, mon
->cmd_table
, args
, nb_args
);
3643 free_cmdline_args(args
, nb_args
);
3646 static int monitor_can_read(void *opaque
)
3648 Monitor
*mon
= opaque
;
3650 return (mon
->suspend_cnt
== 0) ? 1 : 0;
3653 static bool invalid_qmp_mode(const Monitor
*mon
, const char *cmd
,
3656 bool is_cap
= g_str_equal(cmd
, "qmp_capabilities");
3658 if (is_cap
&& mon
->qmp
.in_command_mode
) {
3659 error_set(errp
, ERROR_CLASS_COMMAND_NOT_FOUND
,
3660 "Capabilities negotiation is already complete, command "
3661 "'%s' ignored", cmd
);
3664 if (!is_cap
&& !mon
->qmp
.in_command_mode
) {
3665 error_set(errp
, ERROR_CLASS_COMMAND_NOT_FOUND
,
3666 "Expecting capabilities negotiation with "
3667 "'qmp_capabilities' before command '%s'", cmd
);
3674 * Input object checking rules
3676 * 1. Input object must be a dict
3677 * 2. The "execute" key must exist
3678 * 3. The "execute" key must be a string
3679 * 4. If the "arguments" key exists, it must be a dict
3680 * 5. If the "id" key exists, it can be anything (ie. json-value)
3681 * 6. Any argument not listed above is considered invalid
3683 static QDict
*qmp_check_input_obj(QObject
*input_obj
, Error
**errp
)
3685 const QDictEntry
*ent
;
3686 int has_exec_key
= 0;
3689 if (qobject_type(input_obj
) != QTYPE_QDICT
) {
3690 error_setg(errp
, QERR_QMP_BAD_INPUT_OBJECT
, "object");
3694 input_dict
= qobject_to_qdict(input_obj
);
3696 for (ent
= qdict_first(input_dict
); ent
; ent
= qdict_next(input_dict
, ent
)){
3697 const char *arg_name
= qdict_entry_key(ent
);
3698 const QObject
*arg_obj
= qdict_entry_value(ent
);
3700 if (!strcmp(arg_name
, "execute")) {
3701 if (qobject_type(arg_obj
) != QTYPE_QSTRING
) {
3702 error_setg(errp
, QERR_QMP_BAD_INPUT_OBJECT_MEMBER
,
3703 "execute", "string");
3707 } else if (!strcmp(arg_name
, "arguments")) {
3708 if (qobject_type(arg_obj
) != QTYPE_QDICT
) {
3709 error_setg(errp
, QERR_QMP_BAD_INPUT_OBJECT_MEMBER
,
3710 "arguments", "object");
3713 } else if (!strcmp(arg_name
, "id")) {
3714 /* Any string is acceptable as "id", so nothing to check */
3716 error_setg(errp
, QERR_QMP_EXTRA_MEMBER
, arg_name
);
3721 if (!has_exec_key
) {
3722 error_setg(errp
, QERR_QMP_BAD_INPUT_OBJECT
, "execute");
3729 static void handle_qmp_command(JSONMessageParser
*parser
, GQueue
*tokens
)
3731 QObject
*req
, *rsp
= NULL
, *id
= NULL
;
3732 QDict
*qdict
= NULL
;
3733 const char *cmd_name
;
3734 Monitor
*mon
= cur_mon
;
3737 req
= json_parser_parse_err(tokens
, NULL
, &err
);
3738 if (err
|| !req
|| qobject_type(req
) != QTYPE_QDICT
) {
3740 error_setg(&err
, QERR_JSON_PARSING
);
3745 qdict
= qmp_check_input_obj(req
, &err
);
3750 id
= qdict_get(qdict
, "id");
3752 qdict_del(qdict
, "id");
3754 cmd_name
= qdict_get_str(qdict
, "execute");
3755 trace_handle_qmp_command(mon
, cmd_name
);
3757 if (invalid_qmp_mode(mon
, cmd_name
, &err
)) {
3761 rsp
= qmp_dispatch(req
);
3765 qdict
= qdict_new();
3766 qdict_put_obj(qdict
, "error", qmp_build_error_object(err
));
3768 rsp
= QOBJECT(qdict
);
3773 qdict_put_obj(qobject_to_qdict(rsp
), "id", id
);
3777 monitor_json_emitter(mon
, rsp
);
3781 qobject_decref(rsp
);
3782 qobject_decref(req
);
3785 static void monitor_qmp_read(void *opaque
, const uint8_t *buf
, int size
)
3787 Monitor
*old_mon
= cur_mon
;
3791 json_message_parser_feed(&cur_mon
->qmp
.parser
, (const char *) buf
, size
);
3796 static void monitor_read(void *opaque
, const uint8_t *buf
, int size
)
3798 Monitor
*old_mon
= cur_mon
;
3804 for (i
= 0; i
< size
; i
++)
3805 readline_handle_byte(cur_mon
->rs
, buf
[i
]);
3807 if (size
== 0 || buf
[size
- 1] != 0)
3808 monitor_printf(cur_mon
, "corrupted command\n");
3810 handle_hmp_command(cur_mon
, (char *)buf
);
3816 static void monitor_command_cb(void *opaque
, const char *cmdline
,
3817 void *readline_opaque
)
3819 Monitor
*mon
= opaque
;
3821 monitor_suspend(mon
);
3822 handle_hmp_command(mon
, cmdline
);
3823 monitor_resume(mon
);
3826 int monitor_suspend(Monitor
*mon
)
3834 void monitor_resume(Monitor
*mon
)
3838 if (--mon
->suspend_cnt
== 0)
3839 readline_show_prompt(mon
->rs
);
3842 static QObject
*get_qmp_greeting(void)
3844 QObject
*ver
= NULL
;
3846 qmp_marshal_query_version(NULL
, &ver
, NULL
);
3848 return qobject_from_jsonf("{'QMP': {'version': %p, 'capabilities': []}}",
3852 static void monitor_qmp_event(void *opaque
, int event
)
3855 Monitor
*mon
= opaque
;
3858 case CHR_EVENT_OPENED
:
3859 mon
->qmp
.in_command_mode
= false;
3860 data
= get_qmp_greeting();
3861 monitor_json_emitter(mon
, data
);
3862 qobject_decref(data
);
3865 case CHR_EVENT_CLOSED
:
3866 json_message_parser_destroy(&mon
->qmp
.parser
);
3867 json_message_parser_init(&mon
->qmp
.parser
, handle_qmp_command
);
3869 monitor_fdsets_cleanup();
3874 static void monitor_event(void *opaque
, int event
)
3876 Monitor
*mon
= opaque
;
3879 case CHR_EVENT_MUX_IN
:
3880 qemu_mutex_lock(&mon
->out_lock
);
3882 qemu_mutex_unlock(&mon
->out_lock
);
3883 if (mon
->reset_seen
) {
3884 readline_restart(mon
->rs
);
3885 monitor_resume(mon
);
3888 mon
->suspend_cnt
= 0;
3892 case CHR_EVENT_MUX_OUT
:
3893 if (mon
->reset_seen
) {
3894 if (mon
->suspend_cnt
== 0) {
3895 monitor_printf(mon
, "\n");
3898 monitor_suspend(mon
);
3902 qemu_mutex_lock(&mon
->out_lock
);
3904 qemu_mutex_unlock(&mon
->out_lock
);
3907 case CHR_EVENT_OPENED
:
3908 monitor_printf(mon
, "QEMU %s monitor - type 'help' for more "
3909 "information\n", QEMU_VERSION
);
3910 if (!mon
->mux_out
) {
3911 readline_restart(mon
->rs
);
3912 readline_show_prompt(mon
->rs
);
3914 mon
->reset_seen
= 1;
3918 case CHR_EVENT_CLOSED
:
3920 monitor_fdsets_cleanup();
3926 compare_mon_cmd(const void *a
, const void *b
)
3928 return strcmp(((const mon_cmd_t
*)a
)->name
,
3929 ((const mon_cmd_t
*)b
)->name
);
3932 static void sortcmdlist(void)
3935 int elem_size
= sizeof(mon_cmd_t
);
3937 array_num
= sizeof(mon_cmds
)/elem_size
-1;
3938 qsort((void *)mon_cmds
, array_num
, elem_size
, compare_mon_cmd
);
3940 array_num
= sizeof(info_cmds
)/elem_size
-1;
3941 qsort((void *)info_cmds
, array_num
, elem_size
, compare_mon_cmd
);
3944 /* These functions just adapt the readline interface in a typesafe way. We
3945 * could cast function pointers but that discards compiler checks.
3947 static void GCC_FMT_ATTR(2, 3) monitor_readline_printf(void *opaque
,
3948 const char *fmt
, ...)
3952 monitor_vprintf(opaque
, fmt
, ap
);
3956 static void monitor_readline_flush(void *opaque
)
3958 monitor_flush(opaque
);
3961 static void __attribute__((constructor
)) monitor_lock_init(void)
3963 qemu_mutex_init(&monitor_lock
);
3966 void monitor_init(CharDriverState
*chr
, int flags
)
3968 static int is_first_init
= 1;
3971 if (is_first_init
) {
3972 monitor_qapi_event_init();
3977 mon
= g_malloc(sizeof(*mon
));
3978 monitor_data_init(mon
);
3982 if (flags
& MONITOR_USE_READLINE
) {
3983 mon
->rs
= readline_init(monitor_readline_printf
,
3984 monitor_readline_flush
,
3986 monitor_find_completion
);
3987 monitor_read_command(mon
, 0);
3990 if (monitor_is_qmp(mon
)) {
3991 qemu_chr_add_handlers(chr
, monitor_can_read
, monitor_qmp_read
,
3992 monitor_qmp_event
, mon
);
3993 qemu_chr_fe_set_echo(chr
, true);
3994 json_message_parser_init(&mon
->qmp
.parser
, handle_qmp_command
);
3996 qemu_chr_add_handlers(chr
, monitor_can_read
, monitor_read
,
3997 monitor_event
, mon
);
4000 qemu_mutex_lock(&monitor_lock
);
4001 QLIST_INSERT_HEAD(&mon_list
, mon
, entry
);
4002 qemu_mutex_unlock(&monitor_lock
);
4005 void monitor_cleanup(void)
4007 Monitor
*mon
, *next
;
4009 qemu_mutex_lock(&monitor_lock
);
4010 QLIST_FOREACH_SAFE(mon
, &mon_list
, entry
, next
) {
4011 QLIST_REMOVE(mon
, entry
);
4012 monitor_data_destroy(mon
);
4015 qemu_mutex_unlock(&monitor_lock
);
4018 static void bdrv_password_cb(void *opaque
, const char *password
,
4019 void *readline_opaque
)
4021 Monitor
*mon
= opaque
;
4022 BlockDriverState
*bs
= readline_opaque
;
4024 Error
*local_err
= NULL
;
4026 bdrv_add_key(bs
, password
, &local_err
);
4028 error_report_err(local_err
);
4031 if (mon
->password_completion_cb
)
4032 mon
->password_completion_cb(mon
->password_opaque
, ret
);
4034 monitor_read_command(mon
, 1);
4037 int monitor_read_bdrv_key_start(Monitor
*mon
, BlockDriverState
*bs
,
4038 BlockCompletionFunc
*completion_cb
,
4043 monitor_printf(mon
, "%s (%s) is encrypted.\n", bdrv_get_device_name(bs
),
4044 bdrv_get_encrypted_filename(bs
));
4046 mon
->password_completion_cb
= completion_cb
;
4047 mon
->password_opaque
= opaque
;
4049 err
= monitor_read_password(mon
, bdrv_password_cb
, bs
);
4051 if (err
&& completion_cb
)
4052 completion_cb(opaque
, err
);
4057 int monitor_read_block_device_key(Monitor
*mon
, const char *device
,
4058 BlockCompletionFunc
*completion_cb
,
4064 blk
= blk_by_name(device
);
4066 monitor_printf(mon
, "Device not found %s\n", device
);
4070 monitor_printf(mon
, "Device '%s' has no medium\n", device
);
4074 bdrv_add_key(blk_bs(blk
), NULL
, &err
);
4077 return monitor_read_bdrv_key_start(mon
, blk_bs(blk
), completion_cb
, opaque
);
4080 if (completion_cb
) {
4081 completion_cb(opaque
, 0);
4086 QemuOptsList qemu_mon_opts
= {
4088 .implied_opt_name
= "chardev",
4089 .head
= QTAILQ_HEAD_INITIALIZER(qemu_mon_opts
.head
),
4093 .type
= QEMU_OPT_STRING
,
4096 .type
= QEMU_OPT_STRING
,
4099 .type
= QEMU_OPT_BOOL
,
4102 .type
= QEMU_OPT_BOOL
,
4104 { /* end of list */ }
4109 void qmp_rtc_reset_reinjection(Error
**errp
)
4111 error_setg(errp
, QERR_FEATURE_DISABLED
, "rtc-reset-reinjection");
4115 #ifndef TARGET_S390X
4116 void qmp_dump_skeys(const char *filename
, Error
**errp
)
4118 error_setg(errp
, QERR_FEATURE_DISABLED
, "dump-skeys");
4123 GICCapabilityList
*qmp_query_gic_capabilities(Error
**errp
)
4125 error_setg(errp
, QERR_FEATURE_DISABLED
, "query-gic-capabilities");
4130 HotpluggableCPUList
*qmp_query_hotpluggable_cpus(Error
**errp
)
4132 MachineState
*ms
= MACHINE(qdev_get_machine());
4133 MachineClass
*mc
= MACHINE_GET_CLASS(ms
);
4135 if (!mc
->query_hotpluggable_cpus
) {
4136 error_setg(errp
, QERR_FEATURE_DISABLED
, "query-hotpluggable-cpus");
4140 return mc
->query_hotpluggable_cpus(ms
);