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 "chardev/char-fe.h"
39 #include "ui/qemu-spice.h"
40 #include "sysemu/numa.h"
41 #include "monitor/monitor.h"
42 #include "qemu/config-file.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 "sysemu/hw_accel.h"
54 #include "sysemu/tpm.h"
55 #include "qapi/qmp/qerror.h"
56 #include "qapi/qmp/types.h"
57 #include "qapi/qmp/qjson.h"
58 #include "qapi/qmp/json-streamer.h"
59 #include "qapi/qmp/json-parser.h"
60 #include "qom/object_interfaces.h"
61 #include "trace-root.h"
62 #include "trace/control.h"
63 #include "monitor/hmp-target.h"
64 #ifdef CONFIG_TRACE_SIMPLE
65 #include "trace/simple.h"
67 #include "exec/memory.h"
68 #include "exec/exec-all.h"
70 #include "qmp-commands.h"
72 #include "qemu/thread.h"
73 #include "block/qapi.h"
74 #include "qapi/qmp-event.h"
75 #include "qapi-event.h"
76 #include "qmp-introspect.h"
77 #include "sysemu/qtest.h"
78 #include "sysemu/cpus.h"
79 #include "qemu/cutils.h"
80 #include "qapi/qmp/dispatch.h"
82 #if defined(TARGET_S390X)
83 #include "hw/s390x/storage-keys.h"
84 #include "hw/s390x/storage-attributes.h"
91 * 'B' block device name
92 * 's' string (accept optional quote)
93 * 'S' it just appends the rest of the string (accept optional quote)
94 * 'O' option string of the form NAME=VALUE,...
95 * parsed according to QemuOptsList given by its name
96 * Example: 'device:O' uses qemu_device_opts.
97 * Restriction: only lists with empty desc are supported
98 * TODO lift the restriction
100 * 'l' target long (32 or 64 bit)
101 * 'M' Non-negative target long (32 or 64 bit), in user mode the
102 * value is multiplied by 2^20 (think Mebibyte)
103 * 'o' octets (aka bytes)
104 * user mode accepts an optional E, e, P, p, T, t, G, g, M, m,
105 * K, k suffix, which multiplies the value by 2^60 for suffixes E
106 * and e, 2^50 for suffixes P and p, 2^40 for suffixes T and t,
107 * 2^30 for suffixes G and g, 2^20 for M and m, 2^10 for K and k
109 * user mode accepts an optional ms, us, ns suffix,
110 * which divides the value by 1e3, 1e6, 1e9, respectively
111 * '/' optional gdb-like print format (like "/10x")
113 * '?' optional type (for all types, except '/')
114 * '.' other form of optional type (for 'i' and 'l')
116 * user mode accepts "on" or "off"
117 * '-' optional parameter (eg. '-f')
121 typedef struct mon_cmd_t
{
123 const char *args_type
;
126 void (*cmd
)(Monitor
*mon
, const QDict
*qdict
);
127 /* @sub_table is a list of 2nd level of commands. If it does not exist,
128 * cmd should be used. If it exists, sub_table[?].cmd should be
129 * used, and cmd of 1st level plays the role of help function.
131 struct mon_cmd_t
*sub_table
;
132 void (*command_completion
)(ReadLineState
*rs
, int nb_args
, const char *str
);
135 /* file descriptors passed via SCM_RIGHTS */
136 typedef struct mon_fd_t mon_fd_t
;
140 QLIST_ENTRY(mon_fd_t
) next
;
143 /* file descriptor associated with a file descriptor set */
144 typedef struct MonFdsetFd MonFdsetFd
;
149 QLIST_ENTRY(MonFdsetFd
) next
;
152 /* file descriptor set containing fds passed via SCM_RIGHTS */
153 typedef struct MonFdset MonFdset
;
156 QLIST_HEAD(, MonFdsetFd
) fds
;
157 QLIST_HEAD(, MonFdsetFd
) dup_fds
;
158 QLIST_ENTRY(MonFdset
) next
;
162 JSONMessageParser parser
;
164 * When a client connects, we're in capabilities negotiation mode.
165 * When command qmp_capabilities succeeds, we go into command
168 QmpCommandList
*commands
;
172 * To prevent flooding clients, events can be throttled. The
173 * throttling is calculated globally, rather than per-Monitor
176 typedef struct MonitorQAPIEventState
{
177 QAPIEvent event
; /* Throttling state for this event type and... */
178 QDict
*data
; /* ... data, see qapi_event_throttle_equal() */
179 QEMUTimer
*timer
; /* Timer for handling delayed events */
180 QDict
*qdict
; /* Delayed event (if any) */
181 } MonitorQAPIEventState
;
184 int64_t rate
; /* Minimum time (in ns) between two events */
185 } MonitorQAPIEventConf
;
198 /* Read under either BQL or out_lock, written with BQL+out_lock. */
204 BlockCompletionFunc
*password_completion_cb
;
205 void *password_opaque
;
206 mon_cmd_t
*cmd_table
;
207 QLIST_HEAD(,mon_fd_t
) fds
;
208 QLIST_ENTRY(Monitor
) entry
;
211 /* QMP checker flags */
212 #define QMP_ACCEPT_UNKNOWNS 1
214 /* Protects mon_list, monitor_event_state. */
215 static QemuMutex monitor_lock
;
217 static QLIST_HEAD(mon_list
, Monitor
) mon_list
;
218 static QLIST_HEAD(mon_fdsets
, MonFdset
) mon_fdsets
;
219 static int mon_refcount
;
221 static mon_cmd_t mon_cmds
[];
222 static mon_cmd_t info_cmds
[];
224 QmpCommandList qmp_commands
, qmp_cap_negotiation_commands
;
228 static QEMUClockType event_clock_type
= QEMU_CLOCK_REALTIME
;
230 static void monitor_command_cb(void *opaque
, const char *cmdline
,
231 void *readline_opaque
);
234 * Is @mon a QMP monitor?
236 static inline bool monitor_is_qmp(const Monitor
*mon
)
238 return (mon
->flags
& MONITOR_USE_CONTROL
);
242 * Is the current monitor, if any, a QMP monitor?
244 bool monitor_cur_is_qmp(void)
246 return cur_mon
&& monitor_is_qmp(cur_mon
);
249 void monitor_read_command(Monitor
*mon
, int show_prompt
)
254 readline_start(mon
->rs
, "(qemu) ", 0, monitor_command_cb
, NULL
);
256 readline_show_prompt(mon
->rs
);
259 int monitor_read_password(Monitor
*mon
, ReadLineFunc
*readline_func
,
263 readline_start(mon
->rs
, "Password: ", 1, readline_func
, opaque
);
264 /* prompt is printed on return from the command handler */
267 monitor_printf(mon
, "terminal does not support password prompting\n");
272 static void monitor_flush_locked(Monitor
*mon
);
274 static gboolean
monitor_unblocked(GIOChannel
*chan
, GIOCondition cond
,
277 Monitor
*mon
= opaque
;
279 qemu_mutex_lock(&mon
->out_lock
);
281 monitor_flush_locked(mon
);
282 qemu_mutex_unlock(&mon
->out_lock
);
286 /* Called with mon->out_lock held. */
287 static void monitor_flush_locked(Monitor
*mon
)
293 if (mon
->skip_flush
) {
297 buf
= qstring_get_str(mon
->outbuf
);
298 len
= qstring_get_length(mon
->outbuf
);
300 if (len
&& !mon
->mux_out
) {
301 rc
= qemu_chr_fe_write(&mon
->chr
, (const uint8_t *) buf
, len
);
302 if ((rc
< 0 && errno
!= EAGAIN
) || (rc
== len
)) {
303 /* all flushed or error */
304 QDECREF(mon
->outbuf
);
305 mon
->outbuf
= qstring_new();
310 QString
*tmp
= qstring_from_str(buf
+ rc
);
311 QDECREF(mon
->outbuf
);
314 if (mon
->out_watch
== 0) {
316 qemu_chr_fe_add_watch(&mon
->chr
, G_IO_OUT
| G_IO_HUP
,
317 monitor_unblocked
, mon
);
322 void monitor_flush(Monitor
*mon
)
324 qemu_mutex_lock(&mon
->out_lock
);
325 monitor_flush_locked(mon
);
326 qemu_mutex_unlock(&mon
->out_lock
);
329 /* flush at every end of line */
330 static void monitor_puts(Monitor
*mon
, const char *str
)
334 qemu_mutex_lock(&mon
->out_lock
);
340 qstring_append_chr(mon
->outbuf
, '\r');
342 qstring_append_chr(mon
->outbuf
, c
);
344 monitor_flush_locked(mon
);
347 qemu_mutex_unlock(&mon
->out_lock
);
350 void monitor_vprintf(Monitor
*mon
, const char *fmt
, va_list ap
)
357 if (monitor_is_qmp(mon
)) {
361 buf
= g_strdup_vprintf(fmt
, ap
);
362 monitor_puts(mon
, buf
);
366 void monitor_printf(Monitor
*mon
, const char *fmt
, ...)
370 monitor_vprintf(mon
, fmt
, ap
);
374 int monitor_fprintf(FILE *stream
, const char *fmt
, ...)
378 monitor_vprintf((Monitor
*)stream
, fmt
, ap
);
383 static void monitor_json_emitter(Monitor
*mon
, const QObject
*data
)
387 json
= mon
->flags
& MONITOR_USE_PRETTY
? qobject_to_json_pretty(data
) :
388 qobject_to_json(data
);
389 assert(json
!= NULL
);
391 qstring_append_chr(json
, '\n');
392 monitor_puts(mon
, qstring_get_str(json
));
397 static MonitorQAPIEventConf monitor_qapi_event_conf
[QAPI_EVENT__MAX
] = {
398 /* Limit guest-triggerable events to 1 per second */
399 [QAPI_EVENT_RTC_CHANGE
] = { 1000 * SCALE_MS
},
400 [QAPI_EVENT_WATCHDOG
] = { 1000 * SCALE_MS
},
401 [QAPI_EVENT_BALLOON_CHANGE
] = { 1000 * SCALE_MS
},
402 [QAPI_EVENT_QUORUM_REPORT_BAD
] = { 1000 * SCALE_MS
},
403 [QAPI_EVENT_QUORUM_FAILURE
] = { 1000 * SCALE_MS
},
404 [QAPI_EVENT_VSERPORT_CHANGE
] = { 1000 * SCALE_MS
},
407 GHashTable
*monitor_qapi_event_state
;
410 * Emits the event to every monitor instance, @event is only used for trace
411 * Called with monitor_lock held.
413 static void monitor_qapi_event_emit(QAPIEvent event
, QDict
*qdict
)
417 trace_monitor_protocol_event_emit(event
, qdict
);
418 QLIST_FOREACH(mon
, &mon_list
, entry
) {
419 if (monitor_is_qmp(mon
)
420 && mon
->qmp
.commands
!= &qmp_cap_negotiation_commands
) {
421 monitor_json_emitter(mon
, QOBJECT(qdict
));
426 static void monitor_qapi_event_handler(void *opaque
);
429 * Queue a new event for emission to Monitor instances,
430 * applying any rate limiting if required.
433 monitor_qapi_event_queue(QAPIEvent event
, QDict
*qdict
, Error
**errp
)
435 MonitorQAPIEventConf
*evconf
;
436 MonitorQAPIEventState
*evstate
;
438 assert(event
< QAPI_EVENT__MAX
);
439 evconf
= &monitor_qapi_event_conf
[event
];
440 trace_monitor_protocol_event_queue(event
, qdict
, evconf
->rate
);
442 qemu_mutex_lock(&monitor_lock
);
445 /* Unthrottled event */
446 monitor_qapi_event_emit(event
, qdict
);
448 QDict
*data
= qobject_to_qdict(qdict_get(qdict
, "data"));
449 MonitorQAPIEventState key
= { .event
= event
, .data
= data
};
451 evstate
= g_hash_table_lookup(monitor_qapi_event_state
, &key
);
452 assert(!evstate
|| timer_pending(evstate
->timer
));
456 * Timer is pending for (at least) evconf->rate ns after
457 * last send. Store event for sending when timer fires,
458 * replacing a prior stored event if any.
460 QDECREF(evstate
->qdict
);
461 evstate
->qdict
= qdict
;
462 QINCREF(evstate
->qdict
);
465 * Last send was (at least) evconf->rate ns ago.
466 * Send immediately, and arm the timer to call
467 * monitor_qapi_event_handler() in evconf->rate ns. Any
468 * events arriving before then will be delayed until then.
470 int64_t now
= qemu_clock_get_ns(event_clock_type
);
472 monitor_qapi_event_emit(event
, qdict
);
474 evstate
= g_new(MonitorQAPIEventState
, 1);
475 evstate
->event
= event
;
476 evstate
->data
= data
;
477 QINCREF(evstate
->data
);
478 evstate
->qdict
= NULL
;
479 evstate
->timer
= timer_new_ns(event_clock_type
,
480 monitor_qapi_event_handler
,
482 g_hash_table_add(monitor_qapi_event_state
, evstate
);
483 timer_mod_ns(evstate
->timer
, now
+ evconf
->rate
);
487 qemu_mutex_unlock(&monitor_lock
);
491 * This function runs evconf->rate ns after sending a throttled
493 * If another event has since been stored, send it.
495 static void monitor_qapi_event_handler(void *opaque
)
497 MonitorQAPIEventState
*evstate
= opaque
;
498 MonitorQAPIEventConf
*evconf
= &monitor_qapi_event_conf
[evstate
->event
];
500 trace_monitor_protocol_event_handler(evstate
->event
, evstate
->qdict
);
501 qemu_mutex_lock(&monitor_lock
);
503 if (evstate
->qdict
) {
504 int64_t now
= qemu_clock_get_ns(event_clock_type
);
506 monitor_qapi_event_emit(evstate
->event
, evstate
->qdict
);
507 QDECREF(evstate
->qdict
);
508 evstate
->qdict
= NULL
;
509 timer_mod_ns(evstate
->timer
, now
+ evconf
->rate
);
511 g_hash_table_remove(monitor_qapi_event_state
, evstate
);
512 QDECREF(evstate
->data
);
513 timer_free(evstate
->timer
);
517 qemu_mutex_unlock(&monitor_lock
);
520 static unsigned int qapi_event_throttle_hash(const void *key
)
522 const MonitorQAPIEventState
*evstate
= key
;
523 unsigned int hash
= evstate
->event
* 255;
525 if (evstate
->event
== QAPI_EVENT_VSERPORT_CHANGE
) {
526 hash
+= g_str_hash(qdict_get_str(evstate
->data
, "id"));
529 if (evstate
->event
== QAPI_EVENT_QUORUM_REPORT_BAD
) {
530 hash
+= g_str_hash(qdict_get_str(evstate
->data
, "node-name"));
536 static gboolean
qapi_event_throttle_equal(const void *a
, const void *b
)
538 const MonitorQAPIEventState
*eva
= a
;
539 const MonitorQAPIEventState
*evb
= b
;
541 if (eva
->event
!= evb
->event
) {
545 if (eva
->event
== QAPI_EVENT_VSERPORT_CHANGE
) {
546 return !strcmp(qdict_get_str(eva
->data
, "id"),
547 qdict_get_str(evb
->data
, "id"));
550 if (eva
->event
== QAPI_EVENT_QUORUM_REPORT_BAD
) {
551 return !strcmp(qdict_get_str(eva
->data
, "node-name"),
552 qdict_get_str(evb
->data
, "node-name"));
558 static void monitor_qapi_event_init(void)
560 if (qtest_enabled()) {
561 event_clock_type
= QEMU_CLOCK_VIRTUAL
;
564 monitor_qapi_event_state
= g_hash_table_new(qapi_event_throttle_hash
,
565 qapi_event_throttle_equal
);
566 qmp_event_set_func_emit(monitor_qapi_event_queue
);
569 static void handle_hmp_command(Monitor
*mon
, const char *cmdline
);
571 static void monitor_data_init(Monitor
*mon
)
573 memset(mon
, 0, sizeof(Monitor
));
574 qemu_mutex_init(&mon
->out_lock
);
575 mon
->outbuf
= qstring_new();
576 /* Use *mon_cmds by default. */
577 mon
->cmd_table
= mon_cmds
;
580 static void monitor_data_destroy(Monitor
*mon
)
582 qemu_chr_fe_deinit(&mon
->chr
, false);
583 if (monitor_is_qmp(mon
)) {
584 json_message_parser_destroy(&mon
->qmp
.parser
);
587 QDECREF(mon
->outbuf
);
588 qemu_mutex_destroy(&mon
->out_lock
);
591 char *qmp_human_monitor_command(const char *command_line
, bool has_cpu_index
,
592 int64_t cpu_index
, Error
**errp
)
595 Monitor
*old_mon
, hmp
;
597 monitor_data_init(&hmp
);
598 hmp
.skip_flush
= true;
604 int ret
= monitor_set_cpu(cpu_index
);
607 error_setg(errp
, QERR_INVALID_PARAMETER_VALUE
, "cpu-index",
613 handle_hmp_command(&hmp
, command_line
);
616 qemu_mutex_lock(&hmp
.out_lock
);
617 if (qstring_get_length(hmp
.outbuf
) > 0) {
618 output
= g_strdup(qstring_get_str(hmp
.outbuf
));
620 output
= g_strdup("");
622 qemu_mutex_unlock(&hmp
.out_lock
);
625 monitor_data_destroy(&hmp
);
629 static int compare_cmd(const char *name
, const char *list
)
631 const char *p
, *pstart
;
639 p
= pstart
+ strlen(pstart
);
640 if ((p
- pstart
) == len
&& !memcmp(pstart
, name
, len
))
649 static int get_str(char *buf
, int buf_size
, const char **pp
)
657 while (qemu_isspace(*p
)) {
668 while (*p
!= '\0' && *p
!= '\"') {
684 printf("unsupported escape code: '\\%c'\n", c
);
687 if ((q
- buf
) < buf_size
- 1) {
691 if ((q
- buf
) < buf_size
- 1) {
698 printf("unterminated string\n");
703 while (*p
!= '\0' && !qemu_isspace(*p
)) {
704 if ((q
- buf
) < buf_size
- 1) {
717 static void free_cmdline_args(char **args
, int nb_args
)
721 assert(nb_args
<= MAX_ARGS
);
723 for (i
= 0; i
< nb_args
; i
++) {
730 * Parse the command line to get valid args.
731 * @cmdline: command line to be parsed.
732 * @pnb_args: location to store the number of args, must NOT be NULL.
733 * @args: location to store the args, which should be freed by caller, must
736 * Returns 0 on success, negative on failure.
738 * NOTE: this parser is an approximate form of the real command parser. Number
739 * of args have a limit of MAX_ARGS. If cmdline contains more, it will
740 * return with failure.
742 static int parse_cmdline(const char *cmdline
,
743 int *pnb_args
, char **args
)
752 while (qemu_isspace(*p
)) {
758 if (nb_args
>= MAX_ARGS
) {
761 ret
= get_str(buf
, sizeof(buf
), &p
);
765 args
[nb_args
] = g_strdup(buf
);
772 free_cmdline_args(args
, nb_args
);
776 static void help_cmd_dump_one(Monitor
*mon
,
777 const mon_cmd_t
*cmd
,
783 for (i
= 0; i
< prefix_args_nb
; i
++) {
784 monitor_printf(mon
, "%s ", prefix_args
[i
]);
786 monitor_printf(mon
, "%s %s -- %s\n", cmd
->name
, cmd
->params
, cmd
->help
);
789 /* @args[@arg_index] is the valid command need to find in @cmds */
790 static void help_cmd_dump(Monitor
*mon
, const mon_cmd_t
*cmds
,
791 char **args
, int nb_args
, int arg_index
)
793 const mon_cmd_t
*cmd
;
795 /* No valid arg need to compare with, dump all in *cmds */
796 if (arg_index
>= nb_args
) {
797 for (cmd
= cmds
; cmd
->name
!= NULL
; cmd
++) {
798 help_cmd_dump_one(mon
, cmd
, args
, arg_index
);
803 /* Find one entry to dump */
804 for (cmd
= cmds
; cmd
->name
!= NULL
; cmd
++) {
805 if (compare_cmd(args
[arg_index
], cmd
->name
)) {
806 if (cmd
->sub_table
) {
807 /* continue with next arg */
808 help_cmd_dump(mon
, cmd
->sub_table
,
809 args
, nb_args
, arg_index
+ 1);
811 help_cmd_dump_one(mon
, cmd
, args
, arg_index
);
818 static void help_cmd(Monitor
*mon
, const char *name
)
820 char *args
[MAX_ARGS
];
823 /* 1. parse user input */
825 /* special case for log, directly dump and return */
826 if (!strcmp(name
, "log")) {
827 const QEMULogItem
*item
;
828 monitor_printf(mon
, "Log items (comma separated):\n");
829 monitor_printf(mon
, "%-10s %s\n", "none", "remove all logs");
830 for (item
= qemu_log_items
; item
->mask
!= 0; item
++) {
831 monitor_printf(mon
, "%-10s %s\n", item
->name
, item
->help
);
836 if (parse_cmdline(name
, &nb_args
, args
) < 0) {
841 /* 2. dump the contents according to parsed args */
842 help_cmd_dump(mon
, mon
->cmd_table
, args
, nb_args
, 0);
844 free_cmdline_args(args
, nb_args
);
847 static void do_help_cmd(Monitor
*mon
, const QDict
*qdict
)
849 help_cmd(mon
, qdict_get_try_str(qdict
, "name"));
852 static void hmp_trace_event(Monitor
*mon
, const QDict
*qdict
)
854 const char *tp_name
= qdict_get_str(qdict
, "name");
855 bool new_state
= qdict_get_bool(qdict
, "option");
856 bool has_vcpu
= qdict_haskey(qdict
, "vcpu");
857 int vcpu
= qdict_get_try_int(qdict
, "vcpu", 0);
858 Error
*local_err
= NULL
;
861 monitor_printf(mon
, "argument vcpu must be positive");
865 qmp_trace_event_set_state(tp_name
, new_state
, true, true, has_vcpu
, vcpu
, &local_err
);
867 error_report_err(local_err
);
871 #ifdef CONFIG_TRACE_SIMPLE
872 static void hmp_trace_file(Monitor
*mon
, const QDict
*qdict
)
874 const char *op
= qdict_get_try_str(qdict
, "op");
875 const char *arg
= qdict_get_try_str(qdict
, "arg");
878 st_print_trace_file_status((FILE *)mon
, &monitor_fprintf
);
879 } else if (!strcmp(op
, "on")) {
880 st_set_trace_file_enabled(true);
881 } else if (!strcmp(op
, "off")) {
882 st_set_trace_file_enabled(false);
883 } else if (!strcmp(op
, "flush")) {
884 st_flush_trace_buffer();
885 } else if (!strcmp(op
, "set")) {
887 st_set_trace_file(arg
);
890 monitor_printf(mon
, "unexpected argument \"%s\"\n", op
);
891 help_cmd(mon
, "trace-file");
896 static void hmp_info_help(Monitor
*mon
, const QDict
*qdict
)
898 help_cmd(mon
, "info");
901 static void query_commands_cb(QmpCommand
*cmd
, void *opaque
)
903 CommandInfoList
*info
, **list
= opaque
;
909 info
= g_malloc0(sizeof(*info
));
910 info
->value
= g_malloc0(sizeof(*info
->value
));
911 info
->value
->name
= g_strdup(cmd
->name
);
916 CommandInfoList
*qmp_query_commands(Error
**errp
)
918 CommandInfoList
*list
= NULL
;
920 qmp_for_each_command(cur_mon
->qmp
.commands
, query_commands_cb
, &list
);
925 EventInfoList
*qmp_query_events(Error
**errp
)
927 EventInfoList
*info
, *ev_list
= NULL
;
930 for (e
= 0 ; e
< QAPI_EVENT__MAX
; e
++) {
931 const char *event_name
= QAPIEvent_str(e
);
932 assert(event_name
!= NULL
);
933 info
= g_malloc0(sizeof(*info
));
934 info
->value
= g_malloc0(sizeof(*info
->value
));
935 info
->value
->name
= g_strdup(event_name
);
937 info
->next
= ev_list
;
945 * Minor hack: generated marshalling suppressed for this command
946 * ('gen': false in the schema) so we can parse the JSON string
947 * directly into QObject instead of first parsing it with
948 * visit_type_SchemaInfoList() into a SchemaInfoList, then marshal it
949 * to QObject with generated output marshallers, every time. Instead,
950 * we do it in test-qobject-input-visitor.c, just to make sure
951 * qapi-introspect.py's output actually conforms to the schema.
953 static void qmp_query_qmp_schema(QDict
*qdict
, QObject
**ret_data
,
956 *ret_data
= qobject_from_json(qmp_schema_json
, &error_abort
);
960 * We used to define commands in qmp-commands.hx in addition to the
961 * QAPI schema. This permitted defining some of them only in certain
962 * configurations. query-commands has always reflected that (good,
963 * because it lets QMP clients figure out what's actually available),
964 * while query-qmp-schema never did (not so good). This function is a
965 * hack to keep the configuration-specific commands defined exactly as
966 * before, even though qmp-commands.hx is gone.
968 * FIXME Educate the QAPI schema on configuration-specific commands,
969 * and drop this hack.
971 static void qmp_unregister_commands_hack(void)
974 qmp_unregister_command(&qmp_commands
, "query-spice");
976 #ifndef CONFIG_REPLICATION
977 qmp_unregister_command(&qmp_commands
, "xen-set-replication");
978 qmp_unregister_command(&qmp_commands
, "query-xen-replication-status");
979 qmp_unregister_command(&qmp_commands
, "xen-colo-do-checkpoint");
982 qmp_unregister_command(&qmp_commands
, "rtc-reset-reinjection");
985 qmp_unregister_command(&qmp_commands
, "dump-skeys");
988 qmp_unregister_command(&qmp_commands
, "query-gic-capabilities");
990 #if !defined(TARGET_S390X) && !defined(TARGET_I386)
991 qmp_unregister_command(&qmp_commands
, "query-cpu-model-expansion");
993 #if !defined(TARGET_S390X)
994 qmp_unregister_command(&qmp_commands
, "query-cpu-model-baseline");
995 qmp_unregister_command(&qmp_commands
, "query-cpu-model-comparison");
997 #if !defined(TARGET_PPC) && !defined(TARGET_ARM) && !defined(TARGET_I386) \
998 && !defined(TARGET_S390X)
999 qmp_unregister_command(&qmp_commands
, "query-cpu-definitions");
1003 void monitor_init_qmp_commands(void)
1006 * Two command lists:
1007 * - qmp_commands contains all QMP commands
1008 * - qmp_cap_negotiation_commands contains just
1009 * "qmp_capabilities", to enforce capability negotiation
1012 qmp_init_marshal(&qmp_commands
);
1014 qmp_register_command(&qmp_commands
, "query-qmp-schema",
1015 qmp_query_qmp_schema
,
1017 qmp_register_command(&qmp_commands
, "device_add", qmp_device_add
,
1019 qmp_register_command(&qmp_commands
, "netdev_add", qmp_netdev_add
,
1022 qmp_unregister_commands_hack();
1024 QTAILQ_INIT(&qmp_cap_negotiation_commands
);
1025 qmp_register_command(&qmp_cap_negotiation_commands
, "qmp_capabilities",
1026 qmp_marshal_qmp_capabilities
, QCO_NO_OPTIONS
);
1029 void qmp_qmp_capabilities(Error
**errp
)
1031 if (cur_mon
->qmp
.commands
== &qmp_commands
) {
1032 error_set(errp
, ERROR_CLASS_COMMAND_NOT_FOUND
,
1033 "Capabilities negotiation is already complete, command "
1038 cur_mon
->qmp
.commands
= &qmp_commands
;
1041 /* set the current CPU defined by the user */
1042 int monitor_set_cpu(int cpu_index
)
1046 cpu
= qemu_get_cpu(cpu_index
);
1050 cur_mon
->mon_cpu
= cpu
;
1054 CPUState
*mon_get_cpu(void)
1056 if (!cur_mon
->mon_cpu
) {
1060 monitor_set_cpu(first_cpu
->cpu_index
);
1062 cpu_synchronize_state(cur_mon
->mon_cpu
);
1063 return cur_mon
->mon_cpu
;
1066 CPUArchState
*mon_get_cpu_env(void)
1068 CPUState
*cs
= mon_get_cpu();
1070 return cs
? cs
->env_ptr
: NULL
;
1073 int monitor_get_cpu_index(void)
1075 CPUState
*cs
= mon_get_cpu();
1077 return cs
? cs
->cpu_index
: UNASSIGNED_CPU_INDEX
;
1080 static void hmp_info_registers(Monitor
*mon
, const QDict
*qdict
)
1082 bool all_cpus
= qdict_get_try_bool(qdict
, "cpustate_all", false);
1087 monitor_printf(mon
, "\nCPU#%d\n", cs
->cpu_index
);
1088 cpu_dump_state(cs
, (FILE *)mon
, monitor_fprintf
, CPU_DUMP_FPU
);
1094 monitor_printf(mon
, "No CPU available\n");
1098 cpu_dump_state(cs
, (FILE *)mon
, monitor_fprintf
, CPU_DUMP_FPU
);
1103 static void hmp_info_jit(Monitor
*mon
, const QDict
*qdict
)
1105 if (!tcg_enabled()) {
1106 error_report("JIT information is only available with accel=tcg");
1110 dump_exec_info((FILE *)mon
, monitor_fprintf
);
1111 dump_drift_info((FILE *)mon
, monitor_fprintf
);
1114 static void hmp_info_opcount(Monitor
*mon
, const QDict
*qdict
)
1116 dump_opcount_info((FILE *)mon
, monitor_fprintf
);
1120 static void hmp_info_history(Monitor
*mon
, const QDict
*qdict
)
1129 str
= readline_get_history(mon
->rs
, i
);
1132 monitor_printf(mon
, "%d: '%s'\n", i
, str
);
1137 static void hmp_info_cpustats(Monitor
*mon
, const QDict
*qdict
)
1139 CPUState
*cs
= mon_get_cpu();
1142 monitor_printf(mon
, "No CPU available\n");
1145 cpu_dump_statistics(cs
, (FILE *)mon
, &monitor_fprintf
, 0);
1148 static void hmp_info_trace_events(Monitor
*mon
, const QDict
*qdict
)
1150 const char *name
= qdict_get_try_str(qdict
, "name");
1151 bool has_vcpu
= qdict_haskey(qdict
, "vcpu");
1152 int vcpu
= qdict_get_try_int(qdict
, "vcpu", 0);
1153 TraceEventInfoList
*events
;
1154 TraceEventInfoList
*elem
;
1155 Error
*local_err
= NULL
;
1161 monitor_printf(mon
, "argument vcpu must be positive");
1165 events
= qmp_trace_event_get_state(name
, has_vcpu
, vcpu
, &local_err
);
1167 error_report_err(local_err
);
1171 for (elem
= events
; elem
!= NULL
; elem
= elem
->next
) {
1172 monitor_printf(mon
, "%s : state %u\n",
1174 elem
->value
->state
== TRACE_EVENT_STATE_ENABLED
? 1 : 0);
1176 qapi_free_TraceEventInfoList(events
);
1179 void qmp_client_migrate_info(const char *protocol
, const char *hostname
,
1180 bool has_port
, int64_t port
,
1181 bool has_tls_port
, int64_t tls_port
,
1182 bool has_cert_subject
, const char *cert_subject
,
1185 if (strcmp(protocol
, "spice") == 0) {
1186 if (!qemu_using_spice(errp
)) {
1190 if (!has_port
&& !has_tls_port
) {
1191 error_setg(errp
, QERR_MISSING_PARAMETER
, "port/tls-port");
1195 if (qemu_spice_migrate_info(hostname
,
1196 has_port
? port
: -1,
1197 has_tls_port
? tls_port
: -1,
1199 error_setg(errp
, QERR_UNDEFINED_ERROR
);
1205 error_setg(errp
, QERR_INVALID_PARAMETER_VALUE
, "protocol", "spice");
1208 static void hmp_logfile(Monitor
*mon
, const QDict
*qdict
)
1212 qemu_set_log_filename(qdict_get_str(qdict
, "filename"), &err
);
1214 error_report_err(err
);
1218 static void hmp_log(Monitor
*mon
, const QDict
*qdict
)
1221 const char *items
= qdict_get_str(qdict
, "items");
1223 if (!strcmp(items
, "none")) {
1226 mask
= qemu_str_to_log_mask(items
);
1228 help_cmd(mon
, "log");
1235 static void hmp_singlestep(Monitor
*mon
, const QDict
*qdict
)
1237 const char *option
= qdict_get_try_str(qdict
, "option");
1238 if (!option
|| !strcmp(option
, "on")) {
1240 } else if (!strcmp(option
, "off")) {
1243 monitor_printf(mon
, "unexpected option %s\n", option
);
1247 static void hmp_gdbserver(Monitor
*mon
, const QDict
*qdict
)
1249 const char *device
= qdict_get_try_str(qdict
, "device");
1251 device
= "tcp::" DEFAULT_GDBSTUB_PORT
;
1252 if (gdbserver_start(device
) < 0) {
1253 monitor_printf(mon
, "Could not open gdbserver on device '%s'\n",
1255 } else if (strcmp(device
, "none") == 0) {
1256 monitor_printf(mon
, "Disabled gdbserver\n");
1258 monitor_printf(mon
, "Waiting for gdb connection on device '%s'\n",
1263 static void hmp_watchdog_action(Monitor
*mon
, const QDict
*qdict
)
1265 const char *action
= qdict_get_str(qdict
, "action");
1266 if (select_watchdog_action(action
) == -1) {
1267 monitor_printf(mon
, "Unknown watchdog action '%s'\n", action
);
1271 static void monitor_printc(Monitor
*mon
, int c
)
1273 monitor_printf(mon
, "'");
1276 monitor_printf(mon
, "\\'");
1279 monitor_printf(mon
, "\\\\");
1282 monitor_printf(mon
, "\\n");
1285 monitor_printf(mon
, "\\r");
1288 if (c
>= 32 && c
<= 126) {
1289 monitor_printf(mon
, "%c", c
);
1291 monitor_printf(mon
, "\\x%02x", c
);
1295 monitor_printf(mon
, "'");
1298 static void memory_dump(Monitor
*mon
, int count
, int format
, int wsize
,
1299 hwaddr addr
, int is_physical
)
1301 int l
, line_size
, i
, max_digits
, len
;
1304 CPUState
*cs
= mon_get_cpu();
1306 if (!cs
&& (format
== 'i' || !is_physical
)) {
1307 monitor_printf(mon
, "Can not dump without CPU\n");
1311 if (format
== 'i') {
1314 CPUArchState
*env
= mon_get_cpu_env();
1317 } else if (wsize
== 4) {
1320 /* as default we use the current CS size */
1323 #ifdef TARGET_X86_64
1324 if ((env
->efer
& MSR_EFER_LMA
) &&
1325 (env
->segs
[R_CS
].flags
& DESC_L_MASK
))
1329 if (!(env
->segs
[R_CS
].flags
& DESC_B_MASK
))
1335 CPUArchState
*env
= mon_get_cpu_env();
1336 flags
= msr_le
<< 16;
1337 flags
|= env
->bfd_mach
;
1339 monitor_disas(mon
, cs
, addr
, count
, is_physical
, flags
);
1343 len
= wsize
* count
;
1352 max_digits
= DIV_ROUND_UP(wsize
* 8, 3);
1356 max_digits
= (wsize
* 8) / 4;
1360 max_digits
= DIV_ROUND_UP(wsize
* 8 * 10, 33);
1369 monitor_printf(mon
, TARGET_FMT_plx
":", addr
);
1371 monitor_printf(mon
, TARGET_FMT_lx
":", (target_ulong
)addr
);
1376 cpu_physical_memory_read(addr
, buf
, l
);
1378 if (cpu_memory_rw_debug(cs
, addr
, buf
, l
, 0) < 0) {
1379 monitor_printf(mon
, " Cannot access memory\n");
1388 v
= ldub_p(buf
+ i
);
1391 v
= lduw_p(buf
+ i
);
1394 v
= (uint32_t)ldl_p(buf
+ i
);
1400 monitor_printf(mon
, " ");
1403 monitor_printf(mon
, "%#*" PRIo64
, max_digits
, v
);
1406 monitor_printf(mon
, "0x%0*" PRIx64
, max_digits
, v
);
1409 monitor_printf(mon
, "%*" PRIu64
, max_digits
, v
);
1412 monitor_printf(mon
, "%*" PRId64
, max_digits
, v
);
1415 monitor_printc(mon
, v
);
1420 monitor_printf(mon
, "\n");
1426 static void hmp_memory_dump(Monitor
*mon
, const QDict
*qdict
)
1428 int count
= qdict_get_int(qdict
, "count");
1429 int format
= qdict_get_int(qdict
, "format");
1430 int size
= qdict_get_int(qdict
, "size");
1431 target_long addr
= qdict_get_int(qdict
, "addr");
1433 memory_dump(mon
, count
, format
, size
, addr
, 0);
1436 static void hmp_physical_memory_dump(Monitor
*mon
, const QDict
*qdict
)
1438 int count
= qdict_get_int(qdict
, "count");
1439 int format
= qdict_get_int(qdict
, "format");
1440 int size
= qdict_get_int(qdict
, "size");
1441 hwaddr addr
= qdict_get_int(qdict
, "addr");
1443 memory_dump(mon
, count
, format
, size
, addr
, 1);
1446 static void *gpa2hva(MemoryRegion
**p_mr
, hwaddr addr
, Error
**errp
)
1448 MemoryRegionSection mrs
= memory_region_find(get_system_memory(),
1452 error_setg(errp
, "No memory is mapped at address 0x%" HWADDR_PRIx
, addr
);
1456 if (!memory_region_is_ram(mrs
.mr
) && !memory_region_is_romd(mrs
.mr
)) {
1457 error_setg(errp
, "Memory at address 0x%" HWADDR_PRIx
"is not RAM", addr
);
1458 memory_region_unref(mrs
.mr
);
1463 return qemu_map_ram_ptr(mrs
.mr
->ram_block
, mrs
.offset_within_region
);
1466 static void hmp_gpa2hva(Monitor
*mon
, const QDict
*qdict
)
1468 hwaddr addr
= qdict_get_int(qdict
, "addr");
1469 Error
*local_err
= NULL
;
1470 MemoryRegion
*mr
= NULL
;
1473 ptr
= gpa2hva(&mr
, addr
, &local_err
);
1475 error_report_err(local_err
);
1479 monitor_printf(mon
, "Host virtual address for 0x%" HWADDR_PRIx
1481 addr
, mr
->name
, ptr
);
1483 memory_region_unref(mr
);
1487 static uint64_t vtop(void *ptr
, Error
**errp
)
1491 uintptr_t addr
= (uintptr_t) ptr
;
1492 uintptr_t pagesize
= getpagesize();
1493 off_t offset
= addr
/ pagesize
* sizeof(pinfo
);
1496 fd
= open("/proc/self/pagemap", O_RDONLY
);
1498 error_setg_errno(errp
, errno
, "Cannot open /proc/self/pagemap");
1502 /* Force copy-on-write if necessary. */
1503 atomic_add((uint8_t *)ptr
, 0);
1505 if (pread(fd
, &pinfo
, sizeof(pinfo
), offset
) != sizeof(pinfo
)) {
1506 error_setg_errno(errp
, errno
, "Cannot read pagemap");
1509 if ((pinfo
& (1ull << 63)) == 0) {
1510 error_setg(errp
, "Page not present");
1513 ret
= ((pinfo
& 0x007fffffffffffffull
) * pagesize
) | (addr
& (pagesize
- 1));
1520 static void hmp_gpa2hpa(Monitor
*mon
, const QDict
*qdict
)
1522 hwaddr addr
= qdict_get_int(qdict
, "addr");
1523 Error
*local_err
= NULL
;
1524 MemoryRegion
*mr
= NULL
;
1528 ptr
= gpa2hva(&mr
, addr
, &local_err
);
1530 error_report_err(local_err
);
1534 physaddr
= vtop(ptr
, &local_err
);
1536 error_report_err(local_err
);
1538 monitor_printf(mon
, "Host physical address for 0x%" HWADDR_PRIx
1539 " (%s) is 0x%" PRIx64
"\n",
1540 addr
, mr
->name
, (uint64_t) physaddr
);
1543 memory_region_unref(mr
);
1547 static void do_print(Monitor
*mon
, const QDict
*qdict
)
1549 int format
= qdict_get_int(qdict
, "format");
1550 hwaddr val
= qdict_get_int(qdict
, "val");
1554 monitor_printf(mon
, "%#" HWADDR_PRIo
, val
);
1557 monitor_printf(mon
, "%#" HWADDR_PRIx
, val
);
1560 monitor_printf(mon
, "%" HWADDR_PRIu
, val
);
1564 monitor_printf(mon
, "%" HWADDR_PRId
, val
);
1567 monitor_printc(mon
, val
);
1570 monitor_printf(mon
, "\n");
1573 static void hmp_sum(Monitor
*mon
, const QDict
*qdict
)
1577 uint32_t start
= qdict_get_int(qdict
, "start");
1578 uint32_t size
= qdict_get_int(qdict
, "size");
1581 for(addr
= start
; addr
< (start
+ size
); addr
++) {
1582 uint8_t val
= address_space_ldub(&address_space_memory
, addr
,
1583 MEMTXATTRS_UNSPECIFIED
, NULL
);
1584 /* BSD sum algorithm ('sum' Unix command) */
1585 sum
= (sum
>> 1) | (sum
<< 15);
1588 monitor_printf(mon
, "%05d\n", sum
);
1591 static int mouse_button_state
;
1593 static void hmp_mouse_move(Monitor
*mon
, const QDict
*qdict
)
1595 int dx
, dy
, dz
, button
;
1596 const char *dx_str
= qdict_get_str(qdict
, "dx_str");
1597 const char *dy_str
= qdict_get_str(qdict
, "dy_str");
1598 const char *dz_str
= qdict_get_try_str(qdict
, "dz_str");
1600 dx
= strtol(dx_str
, NULL
, 0);
1601 dy
= strtol(dy_str
, NULL
, 0);
1602 qemu_input_queue_rel(NULL
, INPUT_AXIS_X
, dx
);
1603 qemu_input_queue_rel(NULL
, INPUT_AXIS_Y
, dy
);
1606 dz
= strtol(dz_str
, NULL
, 0);
1608 button
= (dz
> 0) ? INPUT_BUTTON_WHEEL_UP
: INPUT_BUTTON_WHEEL_DOWN
;
1609 qemu_input_queue_btn(NULL
, button
, true);
1610 qemu_input_event_sync();
1611 qemu_input_queue_btn(NULL
, button
, false);
1614 qemu_input_event_sync();
1617 static void hmp_mouse_button(Monitor
*mon
, const QDict
*qdict
)
1619 static uint32_t bmap
[INPUT_BUTTON__MAX
] = {
1620 [INPUT_BUTTON_LEFT
] = MOUSE_EVENT_LBUTTON
,
1621 [INPUT_BUTTON_MIDDLE
] = MOUSE_EVENT_MBUTTON
,
1622 [INPUT_BUTTON_RIGHT
] = MOUSE_EVENT_RBUTTON
,
1624 int button_state
= qdict_get_int(qdict
, "button_state");
1626 if (mouse_button_state
== button_state
) {
1629 qemu_input_update_buttons(NULL
, bmap
, mouse_button_state
, button_state
);
1630 qemu_input_event_sync();
1631 mouse_button_state
= button_state
;
1634 static void hmp_ioport_read(Monitor
*mon
, const QDict
*qdict
)
1636 int size
= qdict_get_int(qdict
, "size");
1637 int addr
= qdict_get_int(qdict
, "addr");
1638 int has_index
= qdict_haskey(qdict
, "index");
1643 int index
= qdict_get_int(qdict
, "index");
1644 cpu_outb(addr
& IOPORTS_MASK
, index
& 0xff);
1652 val
= cpu_inb(addr
);
1656 val
= cpu_inw(addr
);
1660 val
= cpu_inl(addr
);
1664 monitor_printf(mon
, "port%c[0x%04x] = %#0*x\n",
1665 suffix
, addr
, size
* 2, val
);
1668 static void hmp_ioport_write(Monitor
*mon
, const QDict
*qdict
)
1670 int size
= qdict_get_int(qdict
, "size");
1671 int addr
= qdict_get_int(qdict
, "addr");
1672 int val
= qdict_get_int(qdict
, "val");
1674 addr
&= IOPORTS_MASK
;
1679 cpu_outb(addr
, val
);
1682 cpu_outw(addr
, val
);
1685 cpu_outl(addr
, val
);
1690 static void hmp_boot_set(Monitor
*mon
, const QDict
*qdict
)
1692 Error
*local_err
= NULL
;
1693 const char *bootdevice
= qdict_get_str(qdict
, "bootdevice");
1695 qemu_boot_set(bootdevice
, &local_err
);
1697 error_report_err(local_err
);
1699 monitor_printf(mon
, "boot device list now set to %s\n", bootdevice
);
1703 static void hmp_info_mtree(Monitor
*mon
, const QDict
*qdict
)
1705 bool flatview
= qdict_get_try_bool(qdict
, "flatview", false);
1706 bool dispatch_tree
= qdict_get_try_bool(qdict
, "dispatch_tree", false);
1708 mtree_info((fprintf_function
)monitor_printf
, mon
, flatview
, dispatch_tree
);
1711 static void hmp_info_numa(Monitor
*mon
, const QDict
*qdict
)
1714 NumaNodeMem
*node_mem
;
1715 CpuInfoList
*cpu_list
, *cpu
;
1717 cpu_list
= qmp_query_cpus(&error_abort
);
1718 node_mem
= g_new0(NumaNodeMem
, nb_numa_nodes
);
1720 query_numa_node_mem(node_mem
);
1721 monitor_printf(mon
, "%d nodes\n", nb_numa_nodes
);
1722 for (i
= 0; i
< nb_numa_nodes
; i
++) {
1723 monitor_printf(mon
, "node %d cpus:", i
);
1724 for (cpu
= cpu_list
; cpu
; cpu
= cpu
->next
) {
1725 if (cpu
->value
->has_props
&& cpu
->value
->props
->has_node_id
&&
1726 cpu
->value
->props
->node_id
== i
) {
1727 monitor_printf(mon
, " %" PRIi64
, cpu
->value
->CPU
);
1730 monitor_printf(mon
, "\n");
1731 monitor_printf(mon
, "node %d size: %" PRId64
" MB\n", i
,
1732 node_mem
[i
].node_mem
>> 20);
1733 monitor_printf(mon
, "node %d plugged: %" PRId64
" MB\n", i
,
1734 node_mem
[i
].node_plugged_mem
>> 20);
1736 qapi_free_CpuInfoList(cpu_list
);
1740 #ifdef CONFIG_PROFILER
1745 static void hmp_info_profile(Monitor
*mon
, const QDict
*qdict
)
1747 monitor_printf(mon
, "async time %" PRId64
" (%0.3f)\n",
1748 dev_time
, dev_time
/ (double)NANOSECONDS_PER_SECOND
);
1749 monitor_printf(mon
, "qemu time %" PRId64
" (%0.3f)\n",
1750 tcg_time
, tcg_time
/ (double)NANOSECONDS_PER_SECOND
);
1755 static void hmp_info_profile(Monitor
*mon
, const QDict
*qdict
)
1757 monitor_printf(mon
, "Internal profiler not compiled\n");
1761 /* Capture support */
1762 static QLIST_HEAD (capture_list_head
, CaptureState
) capture_head
;
1764 static void hmp_info_capture(Monitor
*mon
, const QDict
*qdict
)
1769 for (s
= capture_head
.lh_first
, i
= 0; s
; s
= s
->entries
.le_next
, ++i
) {
1770 monitor_printf(mon
, "[%d]: ", i
);
1771 s
->ops
.info (s
->opaque
);
1775 static void hmp_stopcapture(Monitor
*mon
, const QDict
*qdict
)
1778 int n
= qdict_get_int(qdict
, "n");
1781 for (s
= capture_head
.lh_first
, i
= 0; s
; s
= s
->entries
.le_next
, ++i
) {
1783 s
->ops
.destroy (s
->opaque
);
1784 QLIST_REMOVE (s
, entries
);
1791 static void hmp_wavcapture(Monitor
*mon
, const QDict
*qdict
)
1793 const char *path
= qdict_get_str(qdict
, "path");
1794 int has_freq
= qdict_haskey(qdict
, "freq");
1795 int freq
= qdict_get_try_int(qdict
, "freq", -1);
1796 int has_bits
= qdict_haskey(qdict
, "bits");
1797 int bits
= qdict_get_try_int(qdict
, "bits", -1);
1798 int has_channels
= qdict_haskey(qdict
, "nchannels");
1799 int nchannels
= qdict_get_try_int(qdict
, "nchannels", -1);
1802 s
= g_malloc0 (sizeof (*s
));
1804 freq
= has_freq
? freq
: 44100;
1805 bits
= has_bits
? bits
: 16;
1806 nchannels
= has_channels
? nchannels
: 2;
1808 if (wav_start_capture (s
, path
, freq
, bits
, nchannels
)) {
1809 monitor_printf(mon
, "Failed to add wave capture\n");
1813 QLIST_INSERT_HEAD (&capture_head
, s
, entries
);
1816 static qemu_acl
*find_acl(Monitor
*mon
, const char *name
)
1818 qemu_acl
*acl
= qemu_acl_find(name
);
1821 monitor_printf(mon
, "acl: unknown list '%s'\n", name
);
1826 static void hmp_acl_show(Monitor
*mon
, const QDict
*qdict
)
1828 const char *aclname
= qdict_get_str(qdict
, "aclname");
1829 qemu_acl
*acl
= find_acl(mon
, aclname
);
1830 qemu_acl_entry
*entry
;
1834 monitor_printf(mon
, "policy: %s\n",
1835 acl
->defaultDeny
? "deny" : "allow");
1836 QTAILQ_FOREACH(entry
, &acl
->entries
, next
) {
1838 monitor_printf(mon
, "%d: %s %s\n", i
,
1839 entry
->deny
? "deny" : "allow", entry
->match
);
1844 static void hmp_acl_reset(Monitor
*mon
, const QDict
*qdict
)
1846 const char *aclname
= qdict_get_str(qdict
, "aclname");
1847 qemu_acl
*acl
= find_acl(mon
, aclname
);
1850 qemu_acl_reset(acl
);
1851 monitor_printf(mon
, "acl: removed all rules\n");
1855 static void hmp_acl_policy(Monitor
*mon
, const QDict
*qdict
)
1857 const char *aclname
= qdict_get_str(qdict
, "aclname");
1858 const char *policy
= qdict_get_str(qdict
, "policy");
1859 qemu_acl
*acl
= find_acl(mon
, aclname
);
1862 if (strcmp(policy
, "allow") == 0) {
1863 acl
->defaultDeny
= 0;
1864 monitor_printf(mon
, "acl: policy set to 'allow'\n");
1865 } else if (strcmp(policy
, "deny") == 0) {
1866 acl
->defaultDeny
= 1;
1867 monitor_printf(mon
, "acl: policy set to 'deny'\n");
1869 monitor_printf(mon
, "acl: unknown policy '%s', "
1870 "expected 'deny' or 'allow'\n", policy
);
1875 static void hmp_acl_add(Monitor
*mon
, const QDict
*qdict
)
1877 const char *aclname
= qdict_get_str(qdict
, "aclname");
1878 const char *match
= qdict_get_str(qdict
, "match");
1879 const char *policy
= qdict_get_str(qdict
, "policy");
1880 int has_index
= qdict_haskey(qdict
, "index");
1881 int index
= qdict_get_try_int(qdict
, "index", -1);
1882 qemu_acl
*acl
= find_acl(mon
, aclname
);
1886 if (strcmp(policy
, "allow") == 0) {
1888 } else if (strcmp(policy
, "deny") == 0) {
1891 monitor_printf(mon
, "acl: unknown policy '%s', "
1892 "expected 'deny' or 'allow'\n", policy
);
1896 ret
= qemu_acl_insert(acl
, deny
, match
, index
);
1898 ret
= qemu_acl_append(acl
, deny
, match
);
1900 monitor_printf(mon
, "acl: unable to add acl entry\n");
1902 monitor_printf(mon
, "acl: added rule at position %d\n", ret
);
1906 static void hmp_acl_remove(Monitor
*mon
, const QDict
*qdict
)
1908 const char *aclname
= qdict_get_str(qdict
, "aclname");
1909 const char *match
= qdict_get_str(qdict
, "match");
1910 qemu_acl
*acl
= find_acl(mon
, aclname
);
1914 ret
= qemu_acl_remove(acl
, match
);
1916 monitor_printf(mon
, "acl: no matching acl entry\n");
1918 monitor_printf(mon
, "acl: removed rule at position %d\n", ret
);
1922 void qmp_getfd(const char *fdname
, Error
**errp
)
1927 fd
= qemu_chr_fe_get_msgfd(&cur_mon
->chr
);
1929 error_setg(errp
, QERR_FD_NOT_SUPPLIED
);
1933 if (qemu_isdigit(fdname
[0])) {
1935 error_setg(errp
, QERR_INVALID_PARAMETER_VALUE
, "fdname",
1936 "a name not starting with a digit");
1940 QLIST_FOREACH(monfd
, &cur_mon
->fds
, next
) {
1941 if (strcmp(monfd
->name
, fdname
) != 0) {
1950 monfd
= g_malloc0(sizeof(mon_fd_t
));
1951 monfd
->name
= g_strdup(fdname
);
1954 QLIST_INSERT_HEAD(&cur_mon
->fds
, monfd
, next
);
1957 void qmp_closefd(const char *fdname
, Error
**errp
)
1961 QLIST_FOREACH(monfd
, &cur_mon
->fds
, next
) {
1962 if (strcmp(monfd
->name
, fdname
) != 0) {
1966 QLIST_REMOVE(monfd
, next
);
1968 g_free(monfd
->name
);
1973 error_setg(errp
, QERR_FD_NOT_FOUND
, fdname
);
1976 int monitor_get_fd(Monitor
*mon
, const char *fdname
, Error
**errp
)
1980 QLIST_FOREACH(monfd
, &mon
->fds
, next
) {
1983 if (strcmp(monfd
->name
, fdname
) != 0) {
1989 /* caller takes ownership of fd */
1990 QLIST_REMOVE(monfd
, next
);
1991 g_free(monfd
->name
);
1997 error_setg(errp
, "File descriptor named '%s' has not been found", fdname
);
2001 static void monitor_fdset_cleanup(MonFdset
*mon_fdset
)
2003 MonFdsetFd
*mon_fdset_fd
;
2004 MonFdsetFd
*mon_fdset_fd_next
;
2006 QLIST_FOREACH_SAFE(mon_fdset_fd
, &mon_fdset
->fds
, next
, mon_fdset_fd_next
) {
2007 if ((mon_fdset_fd
->removed
||
2008 (QLIST_EMPTY(&mon_fdset
->dup_fds
) && mon_refcount
== 0)) &&
2009 runstate_is_running()) {
2010 close(mon_fdset_fd
->fd
);
2011 g_free(mon_fdset_fd
->opaque
);
2012 QLIST_REMOVE(mon_fdset_fd
, next
);
2013 g_free(mon_fdset_fd
);
2017 if (QLIST_EMPTY(&mon_fdset
->fds
) && QLIST_EMPTY(&mon_fdset
->dup_fds
)) {
2018 QLIST_REMOVE(mon_fdset
, next
);
2023 static void monitor_fdsets_cleanup(void)
2025 MonFdset
*mon_fdset
;
2026 MonFdset
*mon_fdset_next
;
2028 QLIST_FOREACH_SAFE(mon_fdset
, &mon_fdsets
, next
, mon_fdset_next
) {
2029 monitor_fdset_cleanup(mon_fdset
);
2033 AddfdInfo
*qmp_add_fd(bool has_fdset_id
, int64_t fdset_id
, bool has_opaque
,
2034 const char *opaque
, Error
**errp
)
2037 Monitor
*mon
= cur_mon
;
2040 fd
= qemu_chr_fe_get_msgfd(&mon
->chr
);
2042 error_setg(errp
, QERR_FD_NOT_SUPPLIED
);
2046 fdinfo
= monitor_fdset_add_fd(fd
, has_fdset_id
, fdset_id
,
2047 has_opaque
, opaque
, errp
);
2059 void qmp_remove_fd(int64_t fdset_id
, bool has_fd
, int64_t fd
, Error
**errp
)
2061 MonFdset
*mon_fdset
;
2062 MonFdsetFd
*mon_fdset_fd
;
2065 QLIST_FOREACH(mon_fdset
, &mon_fdsets
, next
) {
2066 if (mon_fdset
->id
!= fdset_id
) {
2069 QLIST_FOREACH(mon_fdset_fd
, &mon_fdset
->fds
, next
) {
2071 if (mon_fdset_fd
->fd
!= fd
) {
2074 mon_fdset_fd
->removed
= true;
2077 mon_fdset_fd
->removed
= true;
2080 if (has_fd
&& !mon_fdset_fd
) {
2083 monitor_fdset_cleanup(mon_fdset
);
2089 snprintf(fd_str
, sizeof(fd_str
), "fdset-id:%" PRId64
", fd:%" PRId64
,
2092 snprintf(fd_str
, sizeof(fd_str
), "fdset-id:%" PRId64
, fdset_id
);
2094 error_setg(errp
, QERR_FD_NOT_FOUND
, fd_str
);
2097 FdsetInfoList
*qmp_query_fdsets(Error
**errp
)
2099 MonFdset
*mon_fdset
;
2100 MonFdsetFd
*mon_fdset_fd
;
2101 FdsetInfoList
*fdset_list
= NULL
;
2103 QLIST_FOREACH(mon_fdset
, &mon_fdsets
, next
) {
2104 FdsetInfoList
*fdset_info
= g_malloc0(sizeof(*fdset_info
));
2105 FdsetFdInfoList
*fdsetfd_list
= NULL
;
2107 fdset_info
->value
= g_malloc0(sizeof(*fdset_info
->value
));
2108 fdset_info
->value
->fdset_id
= mon_fdset
->id
;
2110 QLIST_FOREACH(mon_fdset_fd
, &mon_fdset
->fds
, next
) {
2111 FdsetFdInfoList
*fdsetfd_info
;
2113 fdsetfd_info
= g_malloc0(sizeof(*fdsetfd_info
));
2114 fdsetfd_info
->value
= g_malloc0(sizeof(*fdsetfd_info
->value
));
2115 fdsetfd_info
->value
->fd
= mon_fdset_fd
->fd
;
2116 if (mon_fdset_fd
->opaque
) {
2117 fdsetfd_info
->value
->has_opaque
= true;
2118 fdsetfd_info
->value
->opaque
= g_strdup(mon_fdset_fd
->opaque
);
2120 fdsetfd_info
->value
->has_opaque
= false;
2123 fdsetfd_info
->next
= fdsetfd_list
;
2124 fdsetfd_list
= fdsetfd_info
;
2127 fdset_info
->value
->fds
= fdsetfd_list
;
2129 fdset_info
->next
= fdset_list
;
2130 fdset_list
= fdset_info
;
2136 AddfdInfo
*monitor_fdset_add_fd(int fd
, bool has_fdset_id
, int64_t fdset_id
,
2137 bool has_opaque
, const char *opaque
,
2140 MonFdset
*mon_fdset
= NULL
;
2141 MonFdsetFd
*mon_fdset_fd
;
2145 QLIST_FOREACH(mon_fdset
, &mon_fdsets
, next
) {
2146 /* Break if match found or match impossible due to ordering by ID */
2147 if (fdset_id
<= mon_fdset
->id
) {
2148 if (fdset_id
< mon_fdset
->id
) {
2156 if (mon_fdset
== NULL
) {
2157 int64_t fdset_id_prev
= -1;
2158 MonFdset
*mon_fdset_cur
= QLIST_FIRST(&mon_fdsets
);
2162 error_setg(errp
, QERR_INVALID_PARAMETER_VALUE
, "fdset-id",
2163 "a non-negative value");
2166 /* Use specified fdset ID */
2167 QLIST_FOREACH(mon_fdset
, &mon_fdsets
, next
) {
2168 mon_fdset_cur
= mon_fdset
;
2169 if (fdset_id
< mon_fdset_cur
->id
) {
2174 /* Use first available fdset ID */
2175 QLIST_FOREACH(mon_fdset
, &mon_fdsets
, next
) {
2176 mon_fdset_cur
= mon_fdset
;
2177 if (fdset_id_prev
== mon_fdset_cur
->id
- 1) {
2178 fdset_id_prev
= mon_fdset_cur
->id
;
2185 mon_fdset
= g_malloc0(sizeof(*mon_fdset
));
2187 mon_fdset
->id
= fdset_id
;
2189 mon_fdset
->id
= fdset_id_prev
+ 1;
2192 /* The fdset list is ordered by fdset ID */
2193 if (!mon_fdset_cur
) {
2194 QLIST_INSERT_HEAD(&mon_fdsets
, mon_fdset
, next
);
2195 } else if (mon_fdset
->id
< mon_fdset_cur
->id
) {
2196 QLIST_INSERT_BEFORE(mon_fdset_cur
, mon_fdset
, next
);
2198 QLIST_INSERT_AFTER(mon_fdset_cur
, mon_fdset
, next
);
2202 mon_fdset_fd
= g_malloc0(sizeof(*mon_fdset_fd
));
2203 mon_fdset_fd
->fd
= fd
;
2204 mon_fdset_fd
->removed
= false;
2206 mon_fdset_fd
->opaque
= g_strdup(opaque
);
2208 QLIST_INSERT_HEAD(&mon_fdset
->fds
, mon_fdset_fd
, next
);
2210 fdinfo
= g_malloc0(sizeof(*fdinfo
));
2211 fdinfo
->fdset_id
= mon_fdset
->id
;
2212 fdinfo
->fd
= mon_fdset_fd
->fd
;
2217 int monitor_fdset_get_fd(int64_t fdset_id
, int flags
)
2220 MonFdset
*mon_fdset
;
2221 MonFdsetFd
*mon_fdset_fd
;
2224 QLIST_FOREACH(mon_fdset
, &mon_fdsets
, next
) {
2225 if (mon_fdset
->id
!= fdset_id
) {
2228 QLIST_FOREACH(mon_fdset_fd
, &mon_fdset
->fds
, next
) {
2229 mon_fd_flags
= fcntl(mon_fdset_fd
->fd
, F_GETFL
);
2230 if (mon_fd_flags
== -1) {
2234 if ((flags
& O_ACCMODE
) == (mon_fd_flags
& O_ACCMODE
)) {
2235 return mon_fdset_fd
->fd
;
2247 int monitor_fdset_dup_fd_add(int64_t fdset_id
, int dup_fd
)
2249 MonFdset
*mon_fdset
;
2250 MonFdsetFd
*mon_fdset_fd_dup
;
2252 QLIST_FOREACH(mon_fdset
, &mon_fdsets
, next
) {
2253 if (mon_fdset
->id
!= fdset_id
) {
2256 QLIST_FOREACH(mon_fdset_fd_dup
, &mon_fdset
->dup_fds
, next
) {
2257 if (mon_fdset_fd_dup
->fd
== dup_fd
) {
2261 mon_fdset_fd_dup
= g_malloc0(sizeof(*mon_fdset_fd_dup
));
2262 mon_fdset_fd_dup
->fd
= dup_fd
;
2263 QLIST_INSERT_HEAD(&mon_fdset
->dup_fds
, mon_fdset_fd_dup
, next
);
2269 static int monitor_fdset_dup_fd_find_remove(int dup_fd
, bool remove
)
2271 MonFdset
*mon_fdset
;
2272 MonFdsetFd
*mon_fdset_fd_dup
;
2274 QLIST_FOREACH(mon_fdset
, &mon_fdsets
, next
) {
2275 QLIST_FOREACH(mon_fdset_fd_dup
, &mon_fdset
->dup_fds
, next
) {
2276 if (mon_fdset_fd_dup
->fd
== dup_fd
) {
2278 QLIST_REMOVE(mon_fdset_fd_dup
, next
);
2279 if (QLIST_EMPTY(&mon_fdset
->dup_fds
)) {
2280 monitor_fdset_cleanup(mon_fdset
);
2284 return mon_fdset
->id
;
2292 int monitor_fdset_dup_fd_find(int dup_fd
)
2294 return monitor_fdset_dup_fd_find_remove(dup_fd
, false);
2297 void monitor_fdset_dup_fd_remove(int dup_fd
)
2299 monitor_fdset_dup_fd_find_remove(dup_fd
, true);
2302 int monitor_fd_param(Monitor
*mon
, const char *fdname
, Error
**errp
)
2305 Error
*local_err
= NULL
;
2307 if (!qemu_isdigit(fdname
[0]) && mon
) {
2308 fd
= monitor_get_fd(mon
, fdname
, &local_err
);
2310 fd
= qemu_parse_fd(fdname
);
2312 error_setg(&local_err
, "Invalid file descriptor number '%s'",
2317 error_propagate(errp
, local_err
);
2326 /* Please update hmp-commands.hx when adding or changing commands */
2327 static mon_cmd_t info_cmds
[] = {
2328 #include "hmp-commands-info.h"
2332 /* mon_cmds and info_cmds would be sorted at runtime */
2333 static mon_cmd_t mon_cmds
[] = {
2334 #include "hmp-commands.h"
2338 /*******************************************************************/
2340 static const char *pch
;
2341 static sigjmp_buf expr_env
;
2344 static void GCC_FMT_ATTR(2, 3) QEMU_NORETURN
2345 expr_error(Monitor
*mon
, const char *fmt
, ...)
2349 monitor_vprintf(mon
, fmt
, ap
);
2350 monitor_printf(mon
, "\n");
2352 siglongjmp(expr_env
, 1);
2355 /* return 0 if OK, -1 if not found */
2356 static int get_monitor_def(target_long
*pval
, const char *name
)
2358 const MonitorDef
*md
= target_monitor_defs();
2359 CPUState
*cs
= mon_get_cpu();
2364 if (cs
== NULL
|| md
== NULL
) {
2368 for(; md
->name
!= NULL
; md
++) {
2369 if (compare_cmd(name
, md
->name
)) {
2370 if (md
->get_value
) {
2371 *pval
= md
->get_value(md
, md
->offset
);
2373 CPUArchState
*env
= mon_get_cpu_env();
2374 ptr
= (uint8_t *)env
+ md
->offset
;
2377 *pval
= *(int32_t *)ptr
;
2380 *pval
= *(target_long
*)ptr
;
2391 ret
= target_get_monitor_def(cs
, name
, &tmp
);
2393 *pval
= (target_long
) tmp
;
2399 static void next(void)
2403 while (qemu_isspace(*pch
))
2408 static int64_t expr_sum(Monitor
*mon
);
2410 static int64_t expr_unary(Monitor
*mon
)
2419 n
= expr_unary(mon
);
2423 n
= -expr_unary(mon
);
2427 n
= ~expr_unary(mon
);
2433 expr_error(mon
, "')' expected");
2440 expr_error(mon
, "character constant expected");
2444 expr_error(mon
, "missing terminating \' character");
2454 while ((*pch
>= 'a' && *pch
<= 'z') ||
2455 (*pch
>= 'A' && *pch
<= 'Z') ||
2456 (*pch
>= '0' && *pch
<= '9') ||
2457 *pch
== '_' || *pch
== '.') {
2458 if ((q
- buf
) < sizeof(buf
) - 1)
2462 while (qemu_isspace(*pch
))
2465 ret
= get_monitor_def(®
, buf
);
2467 expr_error(mon
, "unknown register");
2472 expr_error(mon
, "unexpected end of expression");
2477 n
= strtoull(pch
, &p
, 0);
2478 if (errno
== ERANGE
) {
2479 expr_error(mon
, "number too large");
2482 expr_error(mon
, "invalid char '%c' in expression", *p
);
2485 while (qemu_isspace(*pch
))
2493 static int64_t expr_prod(Monitor
*mon
)
2498 val
= expr_unary(mon
);
2501 if (op
!= '*' && op
!= '/' && op
!= '%')
2504 val2
= expr_unary(mon
);
2513 expr_error(mon
, "division by zero");
2524 static int64_t expr_logic(Monitor
*mon
)
2529 val
= expr_prod(mon
);
2532 if (op
!= '&' && op
!= '|' && op
!= '^')
2535 val2
= expr_prod(mon
);
2552 static int64_t expr_sum(Monitor
*mon
)
2557 val
= expr_logic(mon
);
2560 if (op
!= '+' && op
!= '-')
2563 val2
= expr_logic(mon
);
2572 static int get_expr(Monitor
*mon
, int64_t *pval
, const char **pp
)
2575 if (sigsetjmp(expr_env
, 0)) {
2579 while (qemu_isspace(*pch
))
2581 *pval
= expr_sum(mon
);
2586 static int get_double(Monitor
*mon
, double *pval
, const char **pp
)
2588 const char *p
= *pp
;
2592 d
= strtod(p
, &tailp
);
2594 monitor_printf(mon
, "Number expected\n");
2597 if (d
!= d
|| d
- d
!= 0) {
2598 /* NaN or infinity */
2599 monitor_printf(mon
, "Bad number\n");
2608 * Store the command-name in cmdname, and return a pointer to
2609 * the remaining of the command string.
2611 static const char *get_command_name(const char *cmdline
,
2612 char *cmdname
, size_t nlen
)
2615 const char *p
, *pstart
;
2618 while (qemu_isspace(*p
))
2623 while (*p
!= '\0' && *p
!= '/' && !qemu_isspace(*p
))
2628 memcpy(cmdname
, pstart
, len
);
2629 cmdname
[len
] = '\0';
2634 * Read key of 'type' into 'key' and return the current
2637 static char *key_get_info(const char *type
, char **key
)
2645 p
= strchr(type
, ':');
2652 str
= g_malloc(len
+ 1);
2653 memcpy(str
, type
, len
);
2660 static int default_fmt_format
= 'x';
2661 static int default_fmt_size
= 4;
2663 static int is_valid_option(const char *c
, const char *typestr
)
2671 typestr
= strstr(typestr
, option
);
2672 return (typestr
!= NULL
);
2675 static const mon_cmd_t
*search_dispatch_table(const mon_cmd_t
*disp_table
,
2676 const char *cmdname
)
2678 const mon_cmd_t
*cmd
;
2680 for (cmd
= disp_table
; cmd
->name
!= NULL
; cmd
++) {
2681 if (compare_cmd(cmdname
, cmd
->name
)) {
2690 * Parse command name from @cmdp according to command table @table.
2691 * If blank, return NULL.
2692 * Else, if no valid command can be found, report to @mon, and return
2694 * Else, change @cmdp to point right behind the name, and return its
2695 * command table entry.
2696 * Do not assume the return value points into @table! It doesn't when
2697 * the command is found in a sub-command table.
2699 static const mon_cmd_t
*monitor_parse_command(Monitor
*mon
,
2704 const mon_cmd_t
*cmd
;
2707 /* extract the command name */
2708 p
= get_command_name(*cmdp
, cmdname
, sizeof(cmdname
));
2712 cmd
= search_dispatch_table(table
, cmdname
);
2714 monitor_printf(mon
, "unknown command: '%.*s'\n",
2715 (int)(p
- *cmdp
), *cmdp
);
2719 /* filter out following useless space */
2720 while (qemu_isspace(*p
)) {
2725 /* search sub command */
2726 if (cmd
->sub_table
!= NULL
&& *p
!= '\0') {
2727 return monitor_parse_command(mon
, cmdp
, cmd
->sub_table
);
2734 * Parse arguments for @cmd.
2735 * If it can't be parsed, report to @mon, and return NULL.
2736 * Else, insert command arguments into a QDict, and return it.
2737 * Note: On success, caller has to free the QDict structure.
2740 static QDict
*monitor_parse_arguments(Monitor
*mon
,
2742 const mon_cmd_t
*cmd
)
2744 const char *typestr
;
2747 const char *p
= *endp
;
2749 QDict
*qdict
= qdict_new();
2751 /* parse the parameters */
2752 typestr
= cmd
->args_type
;
2754 typestr
= key_get_info(typestr
, &key
);
2766 while (qemu_isspace(*p
))
2768 if (*typestr
== '?') {
2771 /* no optional string: NULL argument */
2775 ret
= get_str(buf
, sizeof(buf
), &p
);
2779 monitor_printf(mon
, "%s: filename expected\n",
2783 monitor_printf(mon
, "%s: block device name expected\n",
2787 monitor_printf(mon
, "%s: string expected\n", cmd
->name
);
2792 qdict_put_str(qdict
, key
, buf
);
2797 QemuOptsList
*opts_list
;
2800 opts_list
= qemu_find_opts(key
);
2801 if (!opts_list
|| opts_list
->desc
->name
) {
2804 while (qemu_isspace(*p
)) {
2809 if (get_str(buf
, sizeof(buf
), &p
) < 0) {
2812 opts
= qemu_opts_parse_noisily(opts_list
, buf
, true);
2816 qemu_opts_to_qdict(opts
, qdict
);
2817 qemu_opts_del(opts
);
2822 int count
, format
, size
;
2824 while (qemu_isspace(*p
))
2830 if (qemu_isdigit(*p
)) {
2832 while (qemu_isdigit(*p
)) {
2833 count
= count
* 10 + (*p
- '0');
2871 if (*p
!= '\0' && !qemu_isspace(*p
)) {
2872 monitor_printf(mon
, "invalid char in format: '%c'\n",
2877 format
= default_fmt_format
;
2878 if (format
!= 'i') {
2879 /* for 'i', not specifying a size gives -1 as size */
2881 size
= default_fmt_size
;
2882 default_fmt_size
= size
;
2884 default_fmt_format
= format
;
2887 format
= default_fmt_format
;
2888 if (format
!= 'i') {
2889 size
= default_fmt_size
;
2894 qdict_put_int(qdict
, "count", count
);
2895 qdict_put_int(qdict
, "format", format
);
2896 qdict_put_int(qdict
, "size", size
);
2905 while (qemu_isspace(*p
))
2907 if (*typestr
== '?' || *typestr
== '.') {
2908 if (*typestr
== '?') {
2916 while (qemu_isspace(*p
))
2925 if (get_expr(mon
, &val
, &p
))
2927 /* Check if 'i' is greater than 32-bit */
2928 if ((c
== 'i') && ((val
>> 32) & 0xffffffff)) {
2929 monitor_printf(mon
, "\'%s\' has failed: ", cmd
->name
);
2930 monitor_printf(mon
, "integer is for 32-bit values\n");
2932 } else if (c
== 'M') {
2934 monitor_printf(mon
, "enter a positive value\n");
2939 qdict_put_int(qdict
, key
, val
);
2948 while (qemu_isspace(*p
)) {
2951 if (*typestr
== '?') {
2957 ret
= qemu_strtosz_MiB(p
, &end
, &val
);
2958 if (ret
< 0 || val
> INT64_MAX
) {
2959 monitor_printf(mon
, "invalid size\n");
2962 qdict_put_int(qdict
, key
, val
);
2970 while (qemu_isspace(*p
))
2972 if (*typestr
== '?') {
2978 if (get_double(mon
, &val
, &p
) < 0) {
2981 if (p
[0] && p
[1] == 's') {
2984 val
/= 1e3
; p
+= 2; break;
2986 val
/= 1e6
; p
+= 2; break;
2988 val
/= 1e9
; p
+= 2; break;
2991 if (*p
&& !qemu_isspace(*p
)) {
2992 monitor_printf(mon
, "Unknown unit suffix\n");
2995 qdict_put(qdict
, key
, qnum_from_double(val
));
3003 while (qemu_isspace(*p
)) {
3007 while (qemu_isgraph(*p
)) {
3010 if (p
- beg
== 2 && !memcmp(beg
, "on", p
- beg
)) {
3012 } else if (p
- beg
== 3 && !memcmp(beg
, "off", p
- beg
)) {
3015 monitor_printf(mon
, "Expected 'on' or 'off'\n");
3018 qdict_put_bool(qdict
, key
, val
);
3023 const char *tmp
= p
;
3030 while (qemu_isspace(*p
))
3035 if(!is_valid_option(p
, typestr
)) {
3037 monitor_printf(mon
, "%s: unsupported option -%c\n",
3049 qdict_put_bool(qdict
, key
, true);
3056 /* package all remaining string */
3059 while (qemu_isspace(*p
)) {
3062 if (*typestr
== '?') {
3065 /* no remaining string: NULL argument */
3071 monitor_printf(mon
, "%s: string expected\n",
3075 qdict_put_str(qdict
, key
, p
);
3081 monitor_printf(mon
, "%s: unknown type '%c'\n", cmd
->name
, c
);
3087 /* check that all arguments were parsed */
3088 while (qemu_isspace(*p
))
3091 monitor_printf(mon
, "%s: extraneous characters at the end of line\n",
3104 static void handle_hmp_command(Monitor
*mon
, const char *cmdline
)
3107 const mon_cmd_t
*cmd
;
3109 trace_handle_hmp_command(mon
, cmdline
);
3111 cmd
= monitor_parse_command(mon
, &cmdline
, mon
->cmd_table
);
3116 qdict
= monitor_parse_arguments(mon
, &cmdline
, cmd
);
3118 monitor_printf(mon
, "Try \"help %s\" for more information\n",
3123 cmd
->cmd(mon
, qdict
);
3127 static void cmd_completion(Monitor
*mon
, const char *name
, const char *list
)
3129 const char *p
, *pstart
;
3138 p
= pstart
+ strlen(pstart
);
3140 if (len
> sizeof(cmd
) - 2)
3141 len
= sizeof(cmd
) - 2;
3142 memcpy(cmd
, pstart
, len
);
3144 if (name
[0] == '\0' || !strncmp(name
, cmd
, strlen(name
))) {
3145 readline_add_completion(mon
->rs
, cmd
);
3153 static void file_completion(Monitor
*mon
, const char *input
)
3158 char file
[1024], file_prefix
[1024];
3162 p
= strrchr(input
, '/');
3165 pstrcpy(file_prefix
, sizeof(file_prefix
), input
);
3166 pstrcpy(path
, sizeof(path
), ".");
3168 input_path_len
= p
- input
+ 1;
3169 memcpy(path
, input
, input_path_len
);
3170 if (input_path_len
> sizeof(path
) - 1)
3171 input_path_len
= sizeof(path
) - 1;
3172 path
[input_path_len
] = '\0';
3173 pstrcpy(file_prefix
, sizeof(file_prefix
), p
+ 1);
3176 ffs
= opendir(path
);
3185 if (strcmp(d
->d_name
, ".") == 0 || strcmp(d
->d_name
, "..") == 0) {
3189 if (strstart(d
->d_name
, file_prefix
, NULL
)) {
3190 memcpy(file
, input
, input_path_len
);
3191 if (input_path_len
< sizeof(file
))
3192 pstrcpy(file
+ input_path_len
, sizeof(file
) - input_path_len
,
3194 /* stat the file to find out if it's a directory.
3195 * In that case add a slash to speed up typing long paths
3197 if (stat(file
, &sb
) == 0 && S_ISDIR(sb
.st_mode
)) {
3198 pstrcat(file
, sizeof(file
), "/");
3200 readline_add_completion(mon
->rs
, file
);
3206 static const char *next_arg_type(const char *typestr
)
3208 const char *p
= strchr(typestr
, ':');
3209 return (p
!= NULL
? ++p
: typestr
);
3212 static void add_completion_option(ReadLineState
*rs
, const char *str
,
3215 if (!str
|| !option
) {
3218 if (!strncmp(option
, str
, strlen(str
))) {
3219 readline_add_completion(rs
, option
);
3223 void chardev_add_completion(ReadLineState
*rs
, int nb_args
, const char *str
)
3226 ChardevBackendInfoList
*list
, *start
;
3232 readline_set_completion_index(rs
, len
);
3234 start
= list
= qmp_query_chardev_backends(NULL
);
3236 const char *chr_name
= list
->value
->name
;
3238 if (!strncmp(chr_name
, str
, len
)) {
3239 readline_add_completion(rs
, chr_name
);
3243 qapi_free_ChardevBackendInfoList(start
);
3246 void netdev_add_completion(ReadLineState
*rs
, int nb_args
, const char *str
)
3255 readline_set_completion_index(rs
, len
);
3256 for (i
= 0; i
< NET_CLIENT_DRIVER__MAX
; i
++) {
3257 add_completion_option(rs
, str
, NetClientDriver_str(i
));
3261 void device_add_completion(ReadLineState
*rs
, int nb_args
, const char *str
)
3271 readline_set_completion_index(rs
, len
);
3272 list
= elt
= object_class_get_list(TYPE_DEVICE
, false);
3275 DeviceClass
*dc
= OBJECT_CLASS_CHECK(DeviceClass
, elt
->data
,
3277 name
= object_class_get_name(OBJECT_CLASS(dc
));
3279 if (dc
->user_creatable
3280 && !strncmp(name
, str
, len
)) {
3281 readline_add_completion(rs
, name
);
3288 void object_add_completion(ReadLineState
*rs
, int nb_args
, const char *str
)
3298 readline_set_completion_index(rs
, len
);
3299 list
= elt
= object_class_get_list(TYPE_USER_CREATABLE
, false);
3303 name
= object_class_get_name(OBJECT_CLASS(elt
->data
));
3304 if (!strncmp(name
, str
, len
) && strcmp(name
, TYPE_USER_CREATABLE
)) {
3305 readline_add_completion(rs
, name
);
3312 static void peripheral_device_del_completion(ReadLineState
*rs
,
3313 const char *str
, size_t len
)
3315 Object
*peripheral
= container_get(qdev_get_machine(), "/peripheral");
3316 GSList
*list
, *item
;
3318 list
= qdev_build_hotpluggable_device_list(peripheral
);
3323 for (item
= list
; item
; item
= g_slist_next(item
)) {
3324 DeviceState
*dev
= item
->data
;
3326 if (dev
->id
&& !strncmp(str
, dev
->id
, len
)) {
3327 readline_add_completion(rs
, dev
->id
);
3334 void chardev_remove_completion(ReadLineState
*rs
, int nb_args
, const char *str
)
3337 ChardevInfoList
*list
, *start
;
3343 readline_set_completion_index(rs
, len
);
3345 start
= list
= qmp_query_chardev(NULL
);
3347 ChardevInfo
*chr
= list
->value
;
3349 if (!strncmp(chr
->label
, str
, len
)) {
3350 readline_add_completion(rs
, chr
->label
);
3354 qapi_free_ChardevInfoList(start
);
3357 static void ringbuf_completion(ReadLineState
*rs
, const char *str
)
3360 ChardevInfoList
*list
, *start
;
3363 readline_set_completion_index(rs
, len
);
3365 start
= list
= qmp_query_chardev(NULL
);
3367 ChardevInfo
*chr_info
= list
->value
;
3369 if (!strncmp(chr_info
->label
, str
, len
)) {
3370 Chardev
*chr
= qemu_chr_find(chr_info
->label
);
3371 if (chr
&& CHARDEV_IS_RINGBUF(chr
)) {
3372 readline_add_completion(rs
, chr_info
->label
);
3377 qapi_free_ChardevInfoList(start
);
3380 void ringbuf_write_completion(ReadLineState
*rs
, int nb_args
, const char *str
)
3385 ringbuf_completion(rs
, str
);
3388 void device_del_completion(ReadLineState
*rs
, int nb_args
, const char *str
)
3397 readline_set_completion_index(rs
, len
);
3398 peripheral_device_del_completion(rs
, str
, len
);
3401 void object_del_completion(ReadLineState
*rs
, int nb_args
, const char *str
)
3403 ObjectPropertyInfoList
*list
, *start
;
3410 readline_set_completion_index(rs
, len
);
3412 start
= list
= qmp_qom_list("/objects", NULL
);
3414 ObjectPropertyInfo
*info
= list
->value
;
3416 if (!strncmp(info
->type
, "child<", 5)
3417 && !strncmp(info
->name
, str
, len
)) {
3418 readline_add_completion(rs
, info
->name
);
3422 qapi_free_ObjectPropertyInfoList(start
);
3425 void sendkey_completion(ReadLineState
*rs
, int nb_args
, const char *str
)
3434 sep
= strrchr(str
, '-');
3439 readline_set_completion_index(rs
, len
);
3440 for (i
= 0; i
< Q_KEY_CODE__MAX
; i
++) {
3441 if (!strncmp(str
, QKeyCode_str(i
), len
)) {
3442 readline_add_completion(rs
, QKeyCode_str(i
));
3447 void set_link_completion(ReadLineState
*rs
, int nb_args
, const char *str
)
3452 readline_set_completion_index(rs
, len
);
3454 NetClientState
*ncs
[MAX_QUEUE_NUM
];
3456 count
= qemu_find_net_clients_except(NULL
, ncs
,
3457 NET_CLIENT_DRIVER_NONE
,
3459 for (i
= 0; i
< MIN(count
, MAX_QUEUE_NUM
); i
++) {
3460 const char *name
= ncs
[i
]->name
;
3461 if (!strncmp(str
, name
, len
)) {
3462 readline_add_completion(rs
, name
);
3465 } else if (nb_args
== 3) {
3466 add_completion_option(rs
, str
, "on");
3467 add_completion_option(rs
, str
, "off");
3471 void netdev_del_completion(ReadLineState
*rs
, int nb_args
, const char *str
)
3474 NetClientState
*ncs
[MAX_QUEUE_NUM
];
3481 readline_set_completion_index(rs
, len
);
3482 count
= qemu_find_net_clients_except(NULL
, ncs
, NET_CLIENT_DRIVER_NIC
,
3484 for (i
= 0; i
< MIN(count
, MAX_QUEUE_NUM
); i
++) {
3486 const char *name
= ncs
[i
]->name
;
3487 if (strncmp(str
, name
, len
)) {
3490 opts
= qemu_opts_find(qemu_find_opts_err("netdev", NULL
), name
);
3492 readline_add_completion(rs
, name
);
3497 void info_trace_events_completion(ReadLineState
*rs
, int nb_args
, const char *str
)
3502 readline_set_completion_index(rs
, len
);
3504 TraceEventIter iter
;
3506 char *pattern
= g_strdup_printf("%s*", str
);
3507 trace_event_iter_init(&iter
, pattern
);
3508 while ((ev
= trace_event_iter_next(&iter
)) != NULL
) {
3509 readline_add_completion(rs
, trace_event_get_name(ev
));
3515 void trace_event_completion(ReadLineState
*rs
, int nb_args
, const char *str
)
3520 readline_set_completion_index(rs
, len
);
3522 TraceEventIter iter
;
3524 char *pattern
= g_strdup_printf("%s*", str
);
3525 trace_event_iter_init(&iter
, pattern
);
3526 while ((ev
= trace_event_iter_next(&iter
)) != NULL
) {
3527 readline_add_completion(rs
, trace_event_get_name(ev
));
3530 } else if (nb_args
== 3) {
3531 add_completion_option(rs
, str
, "on");
3532 add_completion_option(rs
, str
, "off");
3536 void watchdog_action_completion(ReadLineState
*rs
, int nb_args
, const char *str
)
3543 readline_set_completion_index(rs
, strlen(str
));
3544 for (i
= 0; i
< WATCHDOG_ACTION__MAX
; i
++) {
3545 add_completion_option(rs
, str
, WatchdogAction_str(i
));
3549 void migrate_set_capability_completion(ReadLineState
*rs
, int nb_args
,
3555 readline_set_completion_index(rs
, len
);
3558 for (i
= 0; i
< MIGRATION_CAPABILITY__MAX
; i
++) {
3559 const char *name
= MigrationCapability_str(i
);
3560 if (!strncmp(str
, name
, len
)) {
3561 readline_add_completion(rs
, name
);
3564 } else if (nb_args
== 3) {
3565 add_completion_option(rs
, str
, "on");
3566 add_completion_option(rs
, str
, "off");
3570 void migrate_set_parameter_completion(ReadLineState
*rs
, int nb_args
,
3576 readline_set_completion_index(rs
, len
);
3579 for (i
= 0; i
< MIGRATION_PARAMETER__MAX
; i
++) {
3580 const char *name
= MigrationParameter_str(i
);
3581 if (!strncmp(str
, name
, len
)) {
3582 readline_add_completion(rs
, name
);
3588 void host_net_add_completion(ReadLineState
*rs
, int nb_args
, const char *str
)
3596 readline_set_completion_index(rs
, len
);
3597 for (i
= 0; host_net_devices
[i
]; i
++) {
3598 if (!strncmp(host_net_devices
[i
], str
, len
)) {
3599 readline_add_completion(rs
, host_net_devices
[i
]);
3604 void host_net_remove_completion(ReadLineState
*rs
, int nb_args
, const char *str
)
3606 NetClientState
*ncs
[MAX_QUEUE_NUM
];
3610 readline_set_completion_index(rs
, len
);
3612 count
= qemu_find_net_clients_except(NULL
, ncs
,
3613 NET_CLIENT_DRIVER_NONE
,
3615 for (i
= 0; i
< MIN(count
, MAX_QUEUE_NUM
); i
++) {
3619 if (net_hub_id_for_client(ncs
[i
], &id
)) {
3622 snprintf(name
, sizeof(name
), "%d", id
);
3623 if (!strncmp(str
, name
, len
)) {
3624 readline_add_completion(rs
, name
);
3628 } else if (nb_args
== 3) {
3629 count
= qemu_find_net_clients_except(NULL
, ncs
,
3630 NET_CLIENT_DRIVER_NIC
,
3632 for (i
= 0; i
< MIN(count
, MAX_QUEUE_NUM
); i
++) {
3636 if (ncs
[i
]->info
->type
== NET_CLIENT_DRIVER_HUBPORT
||
3637 net_hub_id_for_client(ncs
[i
], &id
)) {
3640 name
= ncs
[i
]->name
;
3641 if (!strncmp(str
, name
, len
)) {
3642 readline_add_completion(rs
, name
);
3649 static void vm_completion(ReadLineState
*rs
, const char *str
)
3652 BlockDriverState
*bs
;
3653 BdrvNextIterator it
;
3656 readline_set_completion_index(rs
, len
);
3658 for (bs
= bdrv_first(&it
); bs
; bs
= bdrv_next(&it
)) {
3659 SnapshotInfoList
*snapshots
, *snapshot
;
3660 AioContext
*ctx
= bdrv_get_aio_context(bs
);
3663 aio_context_acquire(ctx
);
3664 if (bdrv_can_snapshot(bs
)) {
3665 ok
= bdrv_query_snapshot_info_list(bs
, &snapshots
, NULL
) == 0;
3667 aio_context_release(ctx
);
3672 snapshot
= snapshots
;
3674 char *completion
= snapshot
->value
->name
;
3675 if (!strncmp(str
, completion
, len
)) {
3676 readline_add_completion(rs
, completion
);
3678 completion
= snapshot
->value
->id
;
3679 if (!strncmp(str
, completion
, len
)) {
3680 readline_add_completion(rs
, completion
);
3682 snapshot
= snapshot
->next
;
3684 qapi_free_SnapshotInfoList(snapshots
);
3689 void delvm_completion(ReadLineState
*rs
, int nb_args
, const char *str
)
3692 vm_completion(rs
, str
);
3696 void loadvm_completion(ReadLineState
*rs
, int nb_args
, const char *str
)
3699 vm_completion(rs
, str
);
3703 static void monitor_find_completion_by_table(Monitor
*mon
,
3704 const mon_cmd_t
*cmd_table
,
3708 const char *cmdname
;
3710 const char *ptype
, *str
, *name
;
3711 const mon_cmd_t
*cmd
;
3712 BlockBackend
*blk
= NULL
;
3715 /* command completion */
3720 readline_set_completion_index(mon
->rs
, strlen(cmdname
));
3721 for (cmd
= cmd_table
; cmd
->name
!= NULL
; cmd
++) {
3722 cmd_completion(mon
, cmdname
, cmd
->name
);
3725 /* find the command */
3726 for (cmd
= cmd_table
; cmd
->name
!= NULL
; cmd
++) {
3727 if (compare_cmd(args
[0], cmd
->name
)) {
3735 if (cmd
->sub_table
) {
3736 /* do the job again */
3737 monitor_find_completion_by_table(mon
, cmd
->sub_table
,
3738 &args
[1], nb_args
- 1);
3741 if (cmd
->command_completion
) {
3742 cmd
->command_completion(mon
->rs
, nb_args
, args
[nb_args
- 1]);
3746 ptype
= next_arg_type(cmd
->args_type
);
3747 for(i
= 0; i
< nb_args
- 2; i
++) {
3748 if (*ptype
!= '\0') {
3749 ptype
= next_arg_type(ptype
);
3750 while (*ptype
== '?')
3751 ptype
= next_arg_type(ptype
);
3754 str
= args
[nb_args
- 1];
3755 while (*ptype
== '-' && ptype
[1] != '\0') {
3756 ptype
= next_arg_type(ptype
);
3760 /* file completion */
3761 readline_set_completion_index(mon
->rs
, strlen(str
));
3762 file_completion(mon
, str
);
3765 /* block device name completion */
3766 readline_set_completion_index(mon
->rs
, strlen(str
));
3767 while ((blk
= blk_next(blk
)) != NULL
) {
3768 name
= blk_name(blk
);
3769 if (str
[0] == '\0' ||
3770 !strncmp(name
, str
, strlen(str
))) {
3771 readline_add_completion(mon
->rs
, name
);
3777 if (!strcmp(cmd
->name
, "help|?")) {
3778 monitor_find_completion_by_table(mon
, cmd_table
,
3779 &args
[1], nb_args
- 1);
3788 static void monitor_find_completion(void *opaque
,
3789 const char *cmdline
)
3791 Monitor
*mon
= opaque
;
3792 char *args
[MAX_ARGS
];
3795 /* 1. parse the cmdline */
3796 if (parse_cmdline(cmdline
, &nb_args
, args
) < 0) {
3800 /* if the line ends with a space, it means we want to complete the
3802 len
= strlen(cmdline
);
3803 if (len
> 0 && qemu_isspace(cmdline
[len
- 1])) {
3804 if (nb_args
>= MAX_ARGS
) {
3807 args
[nb_args
++] = g_strdup("");
3810 /* 2. auto complete according to args */
3811 monitor_find_completion_by_table(mon
, mon
->cmd_table
, args
, nb_args
);
3814 free_cmdline_args(args
, nb_args
);
3817 static int monitor_can_read(void *opaque
)
3819 Monitor
*mon
= opaque
;
3821 return (mon
->suspend_cnt
== 0) ? 1 : 0;
3824 static void handle_qmp_command(JSONMessageParser
*parser
, GQueue
*tokens
)
3826 QObject
*req
, *rsp
= NULL
, *id
= NULL
;
3827 QDict
*qdict
= NULL
;
3828 Monitor
*mon
= cur_mon
;
3831 req
= json_parser_parse_err(tokens
, NULL
, &err
);
3833 /* json_parser_parse_err() sucks: can fail without setting @err */
3834 error_setg(&err
, QERR_JSON_PARSING
);
3840 qdict
= qobject_to_qdict(req
);
3842 id
= qdict_get(qdict
, "id");
3844 qdict_del(qdict
, "id");
3845 } /* else will fail qmp_dispatch() */
3847 if (trace_event_get_state_backends(TRACE_HANDLE_QMP_COMMAND
)) {
3848 QString
*req_json
= qobject_to_json(req
);
3849 trace_handle_qmp_command(mon
, qstring_get_str(req_json
));
3853 rsp
= qmp_dispatch(cur_mon
->qmp
.commands
, req
);
3855 if (mon
->qmp
.commands
== &qmp_cap_negotiation_commands
) {
3856 qdict
= qdict_get_qdict(qobject_to_qdict(rsp
), "error");
3858 && !g_strcmp0(qdict_get_try_str(qdict
, "class"),
3859 QapiErrorClass_str(ERROR_CLASS_COMMAND_NOT_FOUND
))) {
3860 /* Provide a more useful error message */
3861 qdict_del(qdict
, "desc");
3862 qdict_put_str(qdict
, "desc", "Expecting capabilities negotiation"
3863 " with 'qmp_capabilities'");
3869 qdict
= qdict_new();
3870 qdict_put_obj(qdict
, "error", qmp_build_error_object(err
));
3872 rsp
= QOBJECT(qdict
);
3877 qdict_put_obj(qobject_to_qdict(rsp
), "id", id
);
3881 monitor_json_emitter(mon
, rsp
);
3885 qobject_decref(rsp
);
3886 qobject_decref(req
);
3889 static void monitor_qmp_read(void *opaque
, const uint8_t *buf
, int size
)
3891 Monitor
*old_mon
= cur_mon
;
3895 json_message_parser_feed(&cur_mon
->qmp
.parser
, (const char *) buf
, size
);
3900 static void monitor_read(void *opaque
, const uint8_t *buf
, int size
)
3902 Monitor
*old_mon
= cur_mon
;
3908 for (i
= 0; i
< size
; i
++)
3909 readline_handle_byte(cur_mon
->rs
, buf
[i
]);
3911 if (size
== 0 || buf
[size
- 1] != 0)
3912 monitor_printf(cur_mon
, "corrupted command\n");
3914 handle_hmp_command(cur_mon
, (char *)buf
);
3920 static void monitor_command_cb(void *opaque
, const char *cmdline
,
3921 void *readline_opaque
)
3923 Monitor
*mon
= opaque
;
3925 monitor_suspend(mon
);
3926 handle_hmp_command(mon
, cmdline
);
3927 monitor_resume(mon
);
3930 int monitor_suspend(Monitor
*mon
)
3938 void monitor_resume(Monitor
*mon
)
3942 if (--mon
->suspend_cnt
== 0)
3943 readline_show_prompt(mon
->rs
);
3946 static QObject
*get_qmp_greeting(void)
3948 QObject
*ver
= NULL
;
3950 qmp_marshal_query_version(NULL
, &ver
, NULL
);
3952 return qobject_from_jsonf("{'QMP': {'version': %p, 'capabilities': []}}",
3956 static void monitor_qmp_event(void *opaque
, int event
)
3959 Monitor
*mon
= opaque
;
3962 case CHR_EVENT_OPENED
:
3963 mon
->qmp
.commands
= &qmp_cap_negotiation_commands
;
3964 data
= get_qmp_greeting();
3965 monitor_json_emitter(mon
, data
);
3966 qobject_decref(data
);
3969 case CHR_EVENT_CLOSED
:
3970 json_message_parser_destroy(&mon
->qmp
.parser
);
3971 json_message_parser_init(&mon
->qmp
.parser
, handle_qmp_command
);
3973 monitor_fdsets_cleanup();
3978 static void monitor_event(void *opaque
, int event
)
3980 Monitor
*mon
= opaque
;
3983 case CHR_EVENT_MUX_IN
:
3984 qemu_mutex_lock(&mon
->out_lock
);
3986 qemu_mutex_unlock(&mon
->out_lock
);
3987 if (mon
->reset_seen
) {
3988 readline_restart(mon
->rs
);
3989 monitor_resume(mon
);
3992 mon
->suspend_cnt
= 0;
3996 case CHR_EVENT_MUX_OUT
:
3997 if (mon
->reset_seen
) {
3998 if (mon
->suspend_cnt
== 0) {
3999 monitor_printf(mon
, "\n");
4002 monitor_suspend(mon
);
4006 qemu_mutex_lock(&mon
->out_lock
);
4008 qemu_mutex_unlock(&mon
->out_lock
);
4011 case CHR_EVENT_OPENED
:
4012 monitor_printf(mon
, "QEMU %s monitor - type 'help' for more "
4013 "information\n", QEMU_VERSION
);
4014 if (!mon
->mux_out
) {
4015 readline_restart(mon
->rs
);
4016 readline_show_prompt(mon
->rs
);
4018 mon
->reset_seen
= 1;
4022 case CHR_EVENT_CLOSED
:
4024 monitor_fdsets_cleanup();
4030 compare_mon_cmd(const void *a
, const void *b
)
4032 return strcmp(((const mon_cmd_t
*)a
)->name
,
4033 ((const mon_cmd_t
*)b
)->name
);
4036 static void sortcmdlist(void)
4039 int elem_size
= sizeof(mon_cmd_t
);
4041 array_num
= sizeof(mon_cmds
)/elem_size
-1;
4042 qsort((void *)mon_cmds
, array_num
, elem_size
, compare_mon_cmd
);
4044 array_num
= sizeof(info_cmds
)/elem_size
-1;
4045 qsort((void *)info_cmds
, array_num
, elem_size
, compare_mon_cmd
);
4048 /* These functions just adapt the readline interface in a typesafe way. We
4049 * could cast function pointers but that discards compiler checks.
4051 static void GCC_FMT_ATTR(2, 3) monitor_readline_printf(void *opaque
,
4052 const char *fmt
, ...)
4056 monitor_vprintf(opaque
, fmt
, ap
);
4060 static void monitor_readline_flush(void *opaque
)
4062 monitor_flush(opaque
);
4066 * Print to current monitor if we have one, else to stderr.
4067 * TODO should return int, so callers can calculate width, but that
4068 * requires surgery to monitor_vprintf(). Left for another day.
4070 void error_vprintf(const char *fmt
, va_list ap
)
4072 if (cur_mon
&& !monitor_cur_is_qmp()) {
4073 monitor_vprintf(cur_mon
, fmt
, ap
);
4075 vfprintf(stderr
, fmt
, ap
);
4079 void error_vprintf_unless_qmp(const char *fmt
, va_list ap
)
4081 if (cur_mon
&& !monitor_cur_is_qmp()) {
4082 monitor_vprintf(cur_mon
, fmt
, ap
);
4083 } else if (!cur_mon
) {
4084 vfprintf(stderr
, fmt
, ap
);
4088 static void __attribute__((constructor
)) monitor_lock_init(void)
4090 qemu_mutex_init(&monitor_lock
);
4093 void monitor_init(Chardev
*chr
, int flags
)
4095 static int is_first_init
= 1;
4098 if (is_first_init
) {
4099 monitor_qapi_event_init();
4104 mon
= g_malloc(sizeof(*mon
));
4105 monitor_data_init(mon
);
4107 qemu_chr_fe_init(&mon
->chr
, chr
, &error_abort
);
4109 if (flags
& MONITOR_USE_READLINE
) {
4110 mon
->rs
= readline_init(monitor_readline_printf
,
4111 monitor_readline_flush
,
4113 monitor_find_completion
);
4114 monitor_read_command(mon
, 0);
4117 if (monitor_is_qmp(mon
)) {
4118 qemu_chr_fe_set_handlers(&mon
->chr
, monitor_can_read
, monitor_qmp_read
,
4119 monitor_qmp_event
, NULL
, mon
, NULL
, true);
4120 qemu_chr_fe_set_echo(&mon
->chr
, true);
4121 json_message_parser_init(&mon
->qmp
.parser
, handle_qmp_command
);
4123 qemu_chr_fe_set_handlers(&mon
->chr
, monitor_can_read
, monitor_read
,
4124 monitor_event
, NULL
, mon
, NULL
, true);
4127 qemu_mutex_lock(&monitor_lock
);
4128 QLIST_INSERT_HEAD(&mon_list
, mon
, entry
);
4129 qemu_mutex_unlock(&monitor_lock
);
4132 void monitor_cleanup(void)
4134 Monitor
*mon
, *next
;
4136 qemu_mutex_lock(&monitor_lock
);
4137 QLIST_FOREACH_SAFE(mon
, &mon_list
, entry
, next
) {
4138 QLIST_REMOVE(mon
, entry
);
4139 monitor_data_destroy(mon
);
4142 qemu_mutex_unlock(&monitor_lock
);
4145 QemuOptsList qemu_mon_opts
= {
4147 .implied_opt_name
= "chardev",
4148 .head
= QTAILQ_HEAD_INITIALIZER(qemu_mon_opts
.head
),
4152 .type
= QEMU_OPT_STRING
,
4155 .type
= QEMU_OPT_STRING
,
4157 .name
= "default", /* deprecated */
4158 .type
= QEMU_OPT_BOOL
,
4161 .type
= QEMU_OPT_BOOL
,
4163 { /* end of list */ }
4168 void qmp_rtc_reset_reinjection(Error
**errp
)
4170 error_setg(errp
, QERR_FEATURE_DISABLED
, "rtc-reset-reinjection");
4174 #ifndef TARGET_S390X
4175 void qmp_dump_skeys(const char *filename
, Error
**errp
)
4177 error_setg(errp
, QERR_FEATURE_DISABLED
, "dump-skeys");
4182 GICCapabilityList
*qmp_query_gic_capabilities(Error
**errp
)
4184 error_setg(errp
, QERR_FEATURE_DISABLED
, "query-gic-capabilities");
4189 HotpluggableCPUList
*qmp_query_hotpluggable_cpus(Error
**errp
)
4191 MachineState
*ms
= MACHINE(qdev_get_machine());
4192 MachineClass
*mc
= MACHINE_GET_CLASS(ms
);
4194 if (!mc
->has_hotpluggable_cpus
) {
4195 error_setg(errp
, QERR_FEATURE_DISABLED
, "query-hotpluggable-cpus");
4199 return machine_query_hotpluggable_cpus(ms
);