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 /* for hmp_info_irq/pic */
85 #if defined(TARGET_SPARC)
86 #include "hw/sparc/sun4m.h"
88 #include "hw/lm32/lm32_pic.h"
90 #if defined(TARGET_S390X)
91 #include "hw/s390x/storage-keys.h"
98 * 'B' block device name
99 * 's' string (accept optional quote)
100 * 'S' it just appends the rest of the string (accept optional quote)
101 * 'O' option string of the form NAME=VALUE,...
102 * parsed according to QemuOptsList given by its name
103 * Example: 'device:O' uses qemu_device_opts.
104 * Restriction: only lists with empty desc are supported
105 * TODO lift the restriction
107 * 'l' target long (32 or 64 bit)
108 * 'M' Non-negative target long (32 or 64 bit), in user mode the
109 * value is multiplied by 2^20 (think Mebibyte)
110 * 'o' octets (aka bytes)
111 * user mode accepts an optional E, e, P, p, T, t, G, g, M, m,
112 * K, k suffix, which multiplies the value by 2^60 for suffixes E
113 * and e, 2^50 for suffixes P and p, 2^40 for suffixes T and t,
114 * 2^30 for suffixes G and g, 2^20 for M and m, 2^10 for K and k
116 * user mode accepts an optional ms, us, ns suffix,
117 * which divides the value by 1e3, 1e6, 1e9, respectively
118 * '/' optional gdb-like print format (like "/10x")
120 * '?' optional type (for all types, except '/')
121 * '.' other form of optional type (for 'i' and 'l')
123 * user mode accepts "on" or "off"
124 * '-' optional parameter (eg. '-f')
128 typedef struct mon_cmd_t {
130 const char *args_type;
133 void (*cmd)(Monitor *mon, const QDict *qdict);
134 /* @sub_table is a list of 2nd level of commands. If it does not exist,
135 * cmd should be used. If it exists, sub_table[?].cmd should be
136 * used, and cmd of 1st level plays the role of help function.
138 struct mon_cmd_t *sub_table;
139 void (*command_completion)(ReadLineState *rs, int nb_args, const char *str);
142 /* file descriptors passed via SCM_RIGHTS */
143 typedef struct mon_fd_t mon_fd_t;
147 QLIST_ENTRY(mon_fd_t) next;
150 /* file descriptor associated with a file descriptor set */
151 typedef struct MonFdsetFd MonFdsetFd;
156 QLIST_ENTRY(MonFdsetFd) next;
159 /* file descriptor set containing fds passed via SCM_RIGHTS */
160 typedef struct MonFdset MonFdset;
163 QLIST_HEAD(, MonFdsetFd) fds;
164 QLIST_HEAD(, MonFdsetFd) dup_fds;
165 QLIST_ENTRY(MonFdset) next;
170 JSONMessageParser parser;
172 * When a client connects, we're in capabilities negotiation mode.
173 * When command qmp_capabilities succeeds, we go into command
176 bool in_command_mode; /* are we in command mode? */
180 * To prevent flooding clients, events can be throttled. The
181 * throttling is calculated globally, rather than per-Monitor
184 typedef struct MonitorQAPIEventState {
185 QAPIEvent event; /* Throttling state for this event type and... */
186 QDict *data; /* ... data, see qapi_event_throttle_equal() */
187 QEMUTimer *timer; /* Timer for handling delayed events */
188 QDict *qdict; /* Delayed event (if any) */
189 } MonitorQAPIEventState;
192 int64_t rate; /* Minimum time (in ns) between two events */
193 } MonitorQAPIEventConf;
196 CharDriverState *chr;
206 /* Read under either BQL or out_lock, written with BQL+out_lock. */
212 BlockCompletionFunc *password_completion_cb;
213 void *password_opaque;
214 mon_cmd_t *cmd_table;
215 QLIST_HEAD(,mon_fd_t) fds;
216 QLIST_ENTRY(Monitor) entry;
219 /* QMP checker flags */
220 #define QMP_ACCEPT_UNKNOWNS 1
222 /* Protects mon_list, monitor_event_state. */
223 static QemuMutex monitor_lock;
225 static QLIST_HEAD(mon_list, Monitor) mon_list;
226 static QLIST_HEAD(mon_fdsets, MonFdset) mon_fdsets;
227 static int mon_refcount;
229 static mon_cmd_t mon_cmds[];
230 static mon_cmd_t info_cmds[];
232 static const mon_cmd_t qmp_cmds[];
236 static QEMUClockType event_clock_type = QEMU_CLOCK_REALTIME;
238 static void monitor_command_cb(void *opaque, const char *cmdline,
239 void *readline_opaque);
242 * Is @mon a QMP monitor?
244 static inline bool monitor_is_qmp(const Monitor *mon)
246 return (mon->flags & MONITOR_USE_CONTROL);
250 * Is the current monitor, if any, a QMP monitor?
252 bool monitor_cur_is_qmp(void)
254 return cur_mon && monitor_is_qmp(cur_mon);
257 void monitor_read_command(Monitor *mon, int show_prompt)
262 readline_start(mon->rs, "(qemu) ", 0, monitor_command_cb, NULL);
264 readline_show_prompt(mon->rs);
267 int monitor_read_password(Monitor *mon, ReadLineFunc *readline_func,
271 readline_start(mon->rs, "Password: ", 1, readline_func, opaque);
272 /* prompt is printed on return from the command handler */
275 monitor_printf(mon, "terminal does not support password prompting\n");
280 static void monitor_flush_locked(Monitor *mon);
282 static gboolean monitor_unblocked(GIOChannel *chan, GIOCondition cond,
285 Monitor *mon = opaque;
287 qemu_mutex_lock(&mon->out_lock);
289 monitor_flush_locked(mon);
290 qemu_mutex_unlock(&mon->out_lock);
294 /* Called with mon->out_lock held. */
295 static void monitor_flush_locked(Monitor *mon)
301 if (mon->skip_flush) {
305 buf = qstring_get_str(mon->outbuf);
306 len = qstring_get_length(mon->outbuf);
308 if (len && !mon->mux_out) {
309 rc = qemu_chr_fe_write(mon->chr, (const uint8_t *) buf, len);
310 if ((rc < 0 && errno != EAGAIN) || (rc == len)) {
311 /* all flushed or error */
312 QDECREF(mon->outbuf);
313 mon->outbuf = qstring_new();
318 QString *tmp = qstring_from_str(buf + rc);
319 QDECREF(mon->outbuf);
322 if (mon->out_watch == 0) {
323 mon->out_watch = qemu_chr_fe_add_watch(mon->chr, G_IO_OUT|G_IO_HUP,
324 monitor_unblocked, mon);
329 void monitor_flush(Monitor *mon)
331 qemu_mutex_lock(&mon->out_lock);
332 monitor_flush_locked(mon);
333 qemu_mutex_unlock(&mon->out_lock);
336 /* flush at every end of line */
337 static void monitor_puts(Monitor *mon, const char *str)
341 qemu_mutex_lock(&mon->out_lock);
347 qstring_append_chr(mon->outbuf, '\r');
349 qstring_append_chr(mon->outbuf, c);
351 monitor_flush_locked(mon);
354 qemu_mutex_unlock(&mon->out_lock);
357 void monitor_vprintf(Monitor *mon, const char *fmt, va_list ap)
364 if (monitor_is_qmp(mon)) {
368 buf = g_strdup_vprintf(fmt, ap);
369 monitor_puts(mon, buf);
373 void monitor_printf(Monitor *mon, const char *fmt, ...)
377 monitor_vprintf(mon, fmt, ap);
381 int monitor_fprintf(FILE *stream, const char *fmt, ...)
385 monitor_vprintf((Monitor *)stream, fmt, ap);
390 static void monitor_json_emitter(Monitor *mon, const QObject *data)
394 json = mon->flags & MONITOR_USE_PRETTY ? qobject_to_json_pretty(data) :
395 qobject_to_json(data);
396 assert(json != NULL);
398 qstring_append_chr(json, '\n');
399 monitor_puts(mon, qstring_get_str(json));
404 static QDict *build_qmp_error_dict(Error *err)
408 obj = qobject_from_jsonf("{ 'error': { 'class': %s, 'desc': %s } }",
409 QapiErrorClass_lookup[error_get_class(err)],
410 error_get_pretty(err));
412 return qobject_to_qdict(obj);
415 static void monitor_protocol_emitter(Monitor *mon, QObject *data,
420 trace_monitor_protocol_emitter(mon);
423 /* success response */
426 qobject_incref(data);
427 qdict_put_obj(qmp, "return", data);
429 /* return an empty QDict by default */
430 qdict_put(qmp, "return", qdict_new());
434 qmp = build_qmp_error_dict(err);
438 qdict_put_obj(qmp, "id", mon->qmp.id);
442 monitor_json_emitter(mon, QOBJECT(qmp));
447 static MonitorQAPIEventConf monitor_qapi_event_conf[QAPI_EVENT__MAX] = {
448 /* Limit guest-triggerable events to 1 per second */
449 [QAPI_EVENT_RTC_CHANGE] = { 1000 * SCALE_MS },
450 [QAPI_EVENT_WATCHDOG] = { 1000 * SCALE_MS },
451 [QAPI_EVENT_BALLOON_CHANGE] = { 1000 * SCALE_MS },
452 [QAPI_EVENT_QUORUM_REPORT_BAD] = { 1000 * SCALE_MS },
453 [QAPI_EVENT_QUORUM_FAILURE] = { 1000 * SCALE_MS },
454 [QAPI_EVENT_VSERPORT_CHANGE] = { 1000 * SCALE_MS },
457 GHashTable *monitor_qapi_event_state;
460 * Emits the event to every monitor instance, @event is only used for trace
461 * Called with monitor_lock held.
463 static void monitor_qapi_event_emit(QAPIEvent event, QDict *qdict)
467 trace_monitor_protocol_event_emit(event, qdict);
468 QLIST_FOREACH(mon, &mon_list, entry) {
469 if (monitor_is_qmp(mon) && mon->qmp.in_command_mode) {
470 monitor_json_emitter(mon, QOBJECT(qdict));
475 static void monitor_qapi_event_handler(void *opaque);
478 * Queue a new event for emission to Monitor instances,
479 * applying any rate limiting if required.
482 monitor_qapi_event_queue(QAPIEvent event, QDict *qdict, Error **errp)
484 MonitorQAPIEventConf *evconf;
485 MonitorQAPIEventState *evstate;
487 assert(event < QAPI_EVENT__MAX);
488 evconf = &monitor_qapi_event_conf[event];
489 trace_monitor_protocol_event_queue(event, qdict, evconf->rate);
491 qemu_mutex_lock(&monitor_lock);
494 /* Unthrottled event */
495 monitor_qapi_event_emit(event, qdict);
497 QDict *data = qobject_to_qdict(qdict_get(qdict, "data"));
498 MonitorQAPIEventState key = { .event = event, .data = data };
500 evstate = g_hash_table_lookup(monitor_qapi_event_state, &key);
501 assert(!evstate || timer_pending(evstate->timer));
505 * Timer is pending for (at least) evconf->rate ns after
506 * last send. Store event for sending when timer fires,
507 * replacing a prior stored event if any.
509 QDECREF(evstate->qdict);
510 evstate->qdict = qdict;
511 QINCREF(evstate->qdict);
514 * Last send was (at least) evconf->rate ns ago.
515 * Send immediately, and arm the timer to call
516 * monitor_qapi_event_handler() in evconf->rate ns. Any
517 * events arriving before then will be delayed until then.
519 int64_t now = qemu_clock_get_ns(event_clock_type);
521 monitor_qapi_event_emit(event, qdict);
523 evstate = g_new(MonitorQAPIEventState, 1);
524 evstate->event = event;
525 evstate->data = data;
526 QINCREF(evstate->data);
527 evstate->qdict = NULL;
528 evstate->timer = timer_new_ns(event_clock_type,
529 monitor_qapi_event_handler,
531 g_hash_table_add(monitor_qapi_event_state, evstate);
532 timer_mod_ns(evstate->timer, now + evconf->rate);
536 qemu_mutex_unlock(&monitor_lock);
540 * This function runs evconf->rate ns after sending a throttled
542 * If another event has since been stored, send it.
544 static void monitor_qapi_event_handler(void *opaque)
546 MonitorQAPIEventState *evstate = opaque;
547 MonitorQAPIEventConf *evconf = &monitor_qapi_event_conf[evstate->event];
549 trace_monitor_protocol_event_handler(evstate->event, evstate->qdict);
550 qemu_mutex_lock(&monitor_lock);
552 if (evstate->qdict) {
553 int64_t now = qemu_clock_get_ns(event_clock_type);
555 monitor_qapi_event_emit(evstate->event, evstate->qdict);
556 QDECREF(evstate->qdict);
557 evstate->qdict = NULL;
558 timer_mod_ns(evstate->timer, now + evconf->rate);
560 g_hash_table_remove(monitor_qapi_event_state, evstate);
561 QDECREF(evstate->data);
562 timer_free(evstate->timer);
566 qemu_mutex_unlock(&monitor_lock);
569 static unsigned int qapi_event_throttle_hash(const void *key)
571 const MonitorQAPIEventState *evstate = key;
572 unsigned int hash = evstate->event * 255;
574 if (evstate->event == QAPI_EVENT_VSERPORT_CHANGE) {
575 hash += g_str_hash(qdict_get_str(evstate->data, "id"));
578 if (evstate->event == QAPI_EVENT_QUORUM_REPORT_BAD) {
579 hash += g_str_hash(qdict_get_str(evstate->data, "node-name"));
585 static gboolean qapi_event_throttle_equal(const void *a, const void *b)
587 const MonitorQAPIEventState *eva = a;
588 const MonitorQAPIEventState *evb = b;
590 if (eva->event != evb->event) {
594 if (eva->event == QAPI_EVENT_VSERPORT_CHANGE) {
595 return !strcmp(qdict_get_str(eva->data, "id"),
596 qdict_get_str(evb->data, "id"));
599 if (eva->event == QAPI_EVENT_QUORUM_REPORT_BAD) {
600 return !strcmp(qdict_get_str(eva->data, "node-name"),
601 qdict_get_str(evb->data, "node-name"));
607 static void monitor_qapi_event_init(void)
609 if (qtest_enabled()) {
610 event_clock_type = QEMU_CLOCK_VIRTUAL;
613 monitor_qapi_event_state = g_hash_table_new(qapi_event_throttle_hash,
614 qapi_event_throttle_equal);
615 qmp_event_set_func_emit(monitor_qapi_event_queue);
618 void qmp_qmp_capabilities(Error **errp)
620 cur_mon->qmp.in_command_mode = true;
623 static void handle_hmp_command(Monitor *mon, const char *cmdline);
625 static void monitor_data_init(Monitor *mon)
627 memset(mon, 0, sizeof(Monitor));
628 qemu_mutex_init(&mon->out_lock);
629 mon->outbuf = qstring_new();
630 /* Use *mon_cmds by default. */
631 mon->cmd_table = mon_cmds;
634 static void monitor_data_destroy(Monitor *mon)
637 qemu_chr_add_handlers(mon->chr, NULL, NULL, NULL, NULL);
639 if (monitor_is_qmp(mon)) {
640 json_message_parser_destroy(&mon->qmp.parser);
643 QDECREF(mon->outbuf);
644 qemu_mutex_destroy(&mon->out_lock);
647 char *qmp_human_monitor_command(const char *command_line, bool has_cpu_index,
648 int64_t cpu_index, Error **errp)
651 Monitor *old_mon, hmp;
653 monitor_data_init(&hmp);
654 hmp.skip_flush = true;
660 int ret = monitor_set_cpu(cpu_index);
663 error_setg(errp, QERR_INVALID_PARAMETER_VALUE, "cpu-index",
669 handle_hmp_command(&hmp, command_line);
672 qemu_mutex_lock(&hmp.out_lock);
673 if (qstring_get_length(hmp.outbuf) > 0) {
674 output = g_strdup(qstring_get_str(hmp.outbuf));
676 output = g_strdup("");
678 qemu_mutex_unlock(&hmp.out_lock);
681 monitor_data_destroy(&hmp);
685 static int compare_cmd(const char *name, const char *list)
687 const char *p, *pstart;
695 p = pstart + strlen(pstart);
696 if ((p - pstart) == len && !memcmp(pstart, name, len))
705 static int get_str(char *buf, int buf_size, const char **pp)
713 while (qemu_isspace(*p)) {
724 while (*p != '\0' && *p != '\"') {
740 printf("unsupported escape code: '\\%c'\n", c);
743 if ((q - buf) < buf_size - 1) {
747 if ((q - buf) < buf_size - 1) {
754 printf("unterminated string\n");
759 while (*p != '\0' && !qemu_isspace(*p)) {
760 if ((q - buf) < buf_size - 1) {
773 static void free_cmdline_args(char **args, int nb_args)
777 assert(nb_args <= MAX_ARGS);
779 for (i = 0; i < nb_args; i++) {
786 * Parse the command line to get valid args.
787 * @cmdline: command line to be parsed.
788 * @pnb_args: location to store the number of args, must NOT be NULL.
789 * @args: location to store the args, which should be freed by caller, must
792 * Returns 0 on success, negative on failure.
794 * NOTE: this parser is an approximate form of the real command parser. Number
795 * of args have a limit of MAX_ARGS. If cmdline contains more, it will
796 * return with failure.
798 static int parse_cmdline(const char *cmdline,
799 int *pnb_args, char **args)
808 while (qemu_isspace(*p)) {
814 if (nb_args >= MAX_ARGS) {
817 ret = get_str(buf, sizeof(buf), &p);
821 args[nb_args] = g_strdup(buf);
828 free_cmdline_args(args, nb_args);
832 static void help_cmd_dump_one(Monitor *mon,
833 const mon_cmd_t *cmd,
839 for (i = 0; i < prefix_args_nb; i++) {
840 monitor_printf(mon, "%s ", prefix_args[i]);
842 monitor_printf(mon, "%s %s -- %s\n", cmd->name, cmd->params, cmd->help);
845 /* @args[@arg_index] is the valid command need to find in @cmds */
846 static void help_cmd_dump(Monitor *mon, const mon_cmd_t *cmds,
847 char **args, int nb_args, int arg_index)
849 const mon_cmd_t *cmd;
851 /* No valid arg need to compare with, dump all in *cmds */
852 if (arg_index >= nb_args) {
853 for (cmd = cmds; cmd->name != NULL; cmd++) {
854 help_cmd_dump_one(mon, cmd, args, arg_index);
859 /* Find one entry to dump */
860 for (cmd = cmds; cmd->name != NULL; cmd++) {
861 if (compare_cmd(args[arg_index], cmd->name)) {
862 if (cmd->sub_table) {
863 /* continue with next arg */
864 help_cmd_dump(mon, cmd->sub_table,
865 args, nb_args, arg_index + 1);
867 help_cmd_dump_one(mon, cmd, args, arg_index);
874 static void help_cmd(Monitor *mon, const char *name)
876 char *args[MAX_ARGS];
879 /* 1. parse user input */
881 /* special case for log, directly dump and return */
882 if (!strcmp(name, "log")) {
883 const QEMULogItem *item;
884 monitor_printf(mon, "Log items (comma separated):\n");
885 monitor_printf(mon, "%-10s %s\n", "none", "remove all logs");
886 for (item = qemu_log_items; item->mask != 0; item++) {
887 monitor_printf(mon, "%-10s %s\n", item->name, item->help);
892 if (parse_cmdline(name, &nb_args, args) < 0) {
897 /* 2. dump the contents according to parsed args */
898 help_cmd_dump(mon, mon->cmd_table, args, nb_args, 0);
900 free_cmdline_args(args, nb_args);
903 static void do_help_cmd(Monitor *mon, const QDict *qdict)
905 help_cmd(mon, qdict_get_try_str(qdict, "name"));
908 static void hmp_trace_event(Monitor *mon, const QDict *qdict)
910 const char *tp_name = qdict_get_str(qdict, "name");
911 bool new_state = qdict_get_bool(qdict, "option");
912 bool has_vcpu = qdict_haskey(qdict, "vcpu");
913 int vcpu = qdict_get_try_int(qdict, "vcpu", 0);
914 Error *local_err = NULL;
917 monitor_printf(mon, "argument vcpu must be positive");
921 qmp_trace_event_set_state(tp_name, new_state, true, true, has_vcpu, vcpu, &local_err);
923 error_report_err(local_err);
927 #ifdef CONFIG_TRACE_SIMPLE
928 static void hmp_trace_file(Monitor *mon, const QDict *qdict)
930 const char *op = qdict_get_try_str(qdict, "op");
931 const char *arg = qdict_get_try_str(qdict, "arg");
934 st_print_trace_file_status((FILE *)mon, &monitor_fprintf);
935 } else if (!strcmp(op, "on")) {
936 st_set_trace_file_enabled(true);
937 } else if (!strcmp(op, "off")) {
938 st_set_trace_file_enabled(false);
939 } else if (!strcmp(op, "flush")) {
940 st_flush_trace_buffer();
941 } else if (!strcmp(op, "set")) {
943 st_set_trace_file(arg);
946 monitor_printf(mon, "unexpected argument \"%s\"\n", op);
947 help_cmd(mon, "trace-file");
952 static void hmp_info_help(Monitor *mon, const QDict *qdict)
954 help_cmd(mon, "info");
957 static void query_commands_cb(QmpCommand *cmd, void *opaque)
959 CommandInfoList *info, **list = opaque;
965 info = g_malloc0(sizeof(*info));
966 info->value = g_malloc0(sizeof(*info->value));
967 info->value->name = g_strdup(cmd->name);
972 CommandInfoList *qmp_query_commands(Error **errp)
974 CommandInfoList *list = NULL;
976 qmp_for_each_command(query_commands_cb, &list);
981 EventInfoList *qmp_query_events(Error **errp)
983 EventInfoList *info, *ev_list = NULL;
986 for (e = 0 ; e < QAPI_EVENT__MAX ; e++) {
987 const char *event_name = QAPIEvent_lookup[e];
988 assert(event_name != NULL);
989 info = g_malloc0(sizeof(*info));
990 info->value = g_malloc0(sizeof(*info->value));
991 info->value->name = g_strdup(event_name);
993 info->next = ev_list;
1001 * Minor hack: generated marshalling suppressed for this command
1002 * ('gen': false in the schema) so we can parse the JSON string
1003 * directly into QObject instead of first parsing it with
1004 * visit_type_SchemaInfoList() into a SchemaInfoList, then marshal it
1005 * to QObject with generated output marshallers, every time. Instead,
1006 * we do it in test-qmp-input-visitor.c, just to make sure
1007 * qapi-introspect.py's output actually conforms to the schema.
1009 static void qmp_query_qmp_schema(QDict *qdict, QObject **ret_data,
1012 *ret_data = qobject_from_json(qmp_schema_json);
1016 * We used to define commands in qmp-commands.hx in addition to the
1017 * QAPI schema. This permitted defining some of them only in certain
1018 * configurations. query-commands has always reflected that (good,
1019 * because it lets QMP clients figure out what's actually available),
1020 * while query-qmp-schema never did (not so good). This function is a
1021 * hack to keep the configuration-specific commands defined exactly as
1022 * before, even though qmp-commands.hx is gone.
1024 * FIXME Educate the QAPI schema on configuration-specific commands,
1025 * and drop this hack.
1027 static void qmp_unregister_commands_hack(void)
1029 #ifndef CONFIG_SPICE
1030 qmp_unregister_command("query-spice");
1033 qmp_unregister_command("rtc-reset-reinjection");
1035 #ifndef TARGET_S390X
1036 qmp_unregister_command("dump-skeys");
1039 qmp_unregister_command("query-gic-capabilities");
1043 static void qmp_init_marshal(void)
1045 qmp_register_command("query-qmp-schema", qmp_query_qmp_schema,
1047 qmp_register_command("device_add", qmp_device_add,
1049 qmp_register_command("netdev_add", qmp_netdev_add,
1052 /* call it after the rest of qapi_init() */
1053 register_module_init(qmp_unregister_commands_hack, MODULE_INIT_QAPI);
1056 qapi_init(qmp_init_marshal);
1058 /* set the current CPU defined by the user */
1059 int monitor_set_cpu(int cpu_index)
1063 cpu = qemu_get_cpu(cpu_index);
1067 cur_mon->mon_cpu = cpu;
1071 CPUState *mon_get_cpu(void)
1073 if (!cur_mon->mon_cpu) {
1076 cpu_synchronize_state(cur_mon->mon_cpu);
1077 return cur_mon->mon_cpu;
1080 CPUArchState *mon_get_cpu_env(void)
1082 return mon_get_cpu()->env_ptr;
1085 int monitor_get_cpu_index(void)
1087 return mon_get_cpu()->cpu_index;
1090 static void hmp_info_registers(Monitor *mon, const QDict *qdict)
1092 cpu_dump_state(mon_get_cpu(), (FILE *)mon, monitor_fprintf, CPU_DUMP_FPU);
1095 static void hmp_info_jit(Monitor *mon, const QDict *qdict)
1097 dump_exec_info((FILE *)mon, monitor_fprintf);
1098 dump_drift_info((FILE *)mon, monitor_fprintf);
1101 static void hmp_info_opcount(Monitor *mon, const QDict *qdict)
1103 dump_opcount_info((FILE *)mon, monitor_fprintf);
1106 static void hmp_info_history(Monitor *mon, const QDict *qdict)
1115 str = readline_get_history(mon->rs, i);
1118 monitor_printf(mon, "%d: '%s'\n", i, str);
1123 static void hmp_info_cpustats(Monitor *mon, const QDict *qdict)
1125 cpu_dump_statistics(mon_get_cpu(), (FILE *)mon, &monitor_fprintf, 0);
1128 static void hmp_info_trace_events(Monitor *mon, const QDict *qdict)
1130 const char *name = qdict_get_try_str(qdict, "name");
1131 bool has_vcpu = qdict_haskey(qdict, "vcpu");
1132 int vcpu = qdict_get_try_int(qdict, "vcpu", 0);
1133 TraceEventInfoList *events;
1134 TraceEventInfoList *elem;
1135 Error *local_err = NULL;
1141 monitor_printf(mon, "argument vcpu must be positive");
1145 events = qmp_trace_event_get_state(name, has_vcpu, vcpu, &local_err);
1147 error_report_err(local_err);
1151 for (elem = events; elem != NULL; elem = elem->next) {
1152 monitor_printf(mon, "%s : state %u\n",
1154 elem->value->state == TRACE_EVENT_STATE_ENABLED ? 1 : 0);
1156 qapi_free_TraceEventInfoList(events);
1159 void qmp_client_migrate_info(const char *protocol, const char *hostname,
1160 bool has_port, int64_t port,
1161 bool has_tls_port, int64_t tls_port,
1162 bool has_cert_subject, const char *cert_subject,
1165 if (strcmp(protocol, "spice") == 0) {
1166 if (!qemu_using_spice(errp)) {
1170 if (!has_port && !has_tls_port) {
1171 error_setg(errp, QERR_MISSING_PARAMETER, "port/tls-port");
1175 if (qemu_spice_migrate_info(hostname,
1176 has_port ? port : -1,
1177 has_tls_port ? tls_port : -1,
1179 error_setg(errp, QERR_UNDEFINED_ERROR);
1185 error_setg(errp, QERR_INVALID_PARAMETER_VALUE, "protocol", "spice");
1188 static void hmp_logfile(Monitor *mon, const QDict *qdict)
1192 qemu_set_log_filename(qdict_get_str(qdict, "filename"), &err);
1194 error_report_err(err);
1198 static void hmp_log(Monitor *mon, const QDict *qdict)
1201 const char *items = qdict_get_str(qdict, "items");
1203 if (!strcmp(items, "none")) {
1206 mask = qemu_str_to_log_mask(items);
1208 help_cmd(mon, "log");
1215 static void hmp_singlestep(Monitor *mon, const QDict *qdict)
1217 const char *option = qdict_get_try_str(qdict, "option");
1218 if (!option || !strcmp(option, "on")) {
1220 } else if (!strcmp(option, "off")) {
1223 monitor_printf(mon, "unexpected option %s\n", option);
1227 static void hmp_gdbserver(Monitor *mon, const QDict *qdict)
1229 const char *device = qdict_get_try_str(qdict, "device");
1231 device = "tcp::" DEFAULT_GDBSTUB_PORT;
1232 if (gdbserver_start(device) < 0) {
1233 monitor_printf(mon, "Could not open gdbserver on device '%s'\n",
1235 } else if (strcmp(device, "none") == 0) {
1236 monitor_printf(mon, "Disabled gdbserver\n");
1238 monitor_printf(mon, "Waiting for gdb connection on device '%s'\n",
1243 static void hmp_watchdog_action(Monitor *mon, const QDict *qdict)
1245 const char *action = qdict_get_str(qdict, "action");
1246 if (select_watchdog_action(action) == -1) {
1247 monitor_printf(mon, "Unknown watchdog action '%s'\n", action);
1251 static void monitor_printc(Monitor *mon, int c)
1253 monitor_printf(mon, "'");
1256 monitor_printf(mon, "\\'");
1259 monitor_printf(mon, "\\\\");
1262 monitor_printf(mon, "\\n");
1265 monitor_printf(mon, "\\r");
1268 if (c >= 32 && c <= 126) {
1269 monitor_printf(mon, "%c", c);
1271 monitor_printf(mon, "\\x%02x", c);
1275 monitor_printf(mon, "'");
1278 static void memory_dump(Monitor *mon, int count, int format, int wsize,
1279 hwaddr addr, int is_physical)
1281 int l, line_size, i, max_digits, len;
1285 if (format == 'i') {
1288 CPUArchState *env = mon_get_cpu_env();
1291 } else if (wsize == 4) {
1294 /* as default we use the current CS size */
1297 #ifdef TARGET_X86_64
1298 if ((env->efer & MSR_EFER_LMA) &&
1299 (env->segs[R_CS].flags & DESC_L_MASK))
1303 if (!(env->segs[R_CS].flags & DESC_B_MASK))
1309 CPUArchState *env = mon_get_cpu_env();
1310 flags = msr_le << 16;
1311 flags |= env->bfd_mach;
1313 monitor_disas(mon, mon_get_cpu(), addr, count, is_physical, flags);
1317 len = wsize * count;
1326 max_digits = (wsize * 8 + 2) / 3;
1330 max_digits = (wsize * 8) / 4;
1334 max_digits = (wsize * 8 * 10 + 32) / 33;
1343 monitor_printf(mon, TARGET_FMT_plx ":", addr);
1345 monitor_printf(mon, TARGET_FMT_lx ":", (target_ulong)addr);
1350 cpu_physical_memory_read(addr, buf, l);
1352 if (cpu_memory_rw_debug(mon_get_cpu(), addr, buf, l, 0) < 0) {
1353 monitor_printf(mon, " Cannot access memory\n");
1362 v = ldub_p(buf + i);
1365 v = lduw_p(buf + i);
1368 v = (uint32_t)ldl_p(buf + i);
1374 monitor_printf(mon, " ");
1377 monitor_printf(mon, "%#*" PRIo64, max_digits, v);
1380 monitor_printf(mon, "0x%0*" PRIx64, max_digits, v);
1383 monitor_printf(mon, "%*" PRIu64, max_digits, v);
1386 monitor_printf(mon, "%*" PRId64, max_digits, v);
1389 monitor_printc(mon, v);
1394 monitor_printf(mon, "\n");
1400 static void hmp_memory_dump(Monitor *mon, const QDict *qdict)
1402 int count = qdict_get_int(qdict, "count");
1403 int format = qdict_get_int(qdict, "format");
1404 int size = qdict_get_int(qdict, "size");
1405 target_long addr = qdict_get_int(qdict, "addr");
1407 memory_dump(mon, count, format, size, addr, 0);
1410 static void hmp_physical_memory_dump(Monitor *mon, const QDict *qdict)
1412 int count = qdict_get_int(qdict, "count");
1413 int format = qdict_get_int(qdict, "format");
1414 int size = qdict_get_int(qdict, "size");
1415 hwaddr addr = qdict_get_int(qdict, "addr");
1417 memory_dump(mon, count, format, size, addr, 1);
1420 static void do_print(Monitor *mon, const QDict *qdict)
1422 int format = qdict_get_int(qdict, "format");
1423 hwaddr val = qdict_get_int(qdict, "val");
1427 monitor_printf(mon, "%#" HWADDR_PRIo, val);
1430 monitor_printf(mon, "%#" HWADDR_PRIx, val);
1433 monitor_printf(mon, "%" HWADDR_PRIu, val);
1437 monitor_printf(mon, "%" HWADDR_PRId, val);
1440 monitor_printc(mon, val);
1443 monitor_printf(mon, "\n");
1446 static void hmp_sum(Monitor *mon, const QDict *qdict)
1450 uint32_t start = qdict_get_int(qdict, "start");
1451 uint32_t size = qdict_get_int(qdict, "size");
1454 for(addr = start; addr < (start + size); addr++) {
1455 uint8_t val = address_space_ldub(&address_space_memory, addr,
1456 MEMTXATTRS_UNSPECIFIED, NULL);
1457 /* BSD sum algorithm ('sum' Unix command) */
1458 sum = (sum >> 1) | (sum << 15);
1461 monitor_printf(mon, "%05d\n", sum);
1464 static int mouse_button_state;
1466 static void hmp_mouse_move(Monitor *mon, const QDict *qdict)
1468 int dx, dy, dz, button;
1469 const char *dx_str = qdict_get_str(qdict, "dx_str");
1470 const char *dy_str = qdict_get_str(qdict, "dy_str");
1471 const char *dz_str = qdict_get_try_str(qdict, "dz_str");
1473 dx = strtol(dx_str, NULL, 0);
1474 dy = strtol(dy_str, NULL, 0);
1475 qemu_input_queue_rel(NULL, INPUT_AXIS_X, dx);
1476 qemu_input_queue_rel(NULL, INPUT_AXIS_Y, dy);
1479 dz = strtol(dz_str, NULL, 0);
1481 button = (dz > 0) ? INPUT_BUTTON_WHEEL_UP : INPUT_BUTTON_WHEEL_DOWN;
1482 qemu_input_queue_btn(NULL, button, true);
1483 qemu_input_event_sync();
1484 qemu_input_queue_btn(NULL, button, false);
1487 qemu_input_event_sync();
1490 static void hmp_mouse_button(Monitor *mon, const QDict *qdict)
1492 static uint32_t bmap[INPUT_BUTTON__MAX] = {
1493 [INPUT_BUTTON_LEFT] = MOUSE_EVENT_LBUTTON,
1494 [INPUT_BUTTON_MIDDLE] = MOUSE_EVENT_MBUTTON,
1495 [INPUT_BUTTON_RIGHT] = MOUSE_EVENT_RBUTTON,
1497 int button_state = qdict_get_int(qdict, "button_state");
1499 if (mouse_button_state == button_state) {
1502 qemu_input_update_buttons(NULL, bmap, mouse_button_state, button_state);
1503 qemu_input_event_sync();
1504 mouse_button_state = button_state;
1507 static void hmp_ioport_read(Monitor *mon, const QDict *qdict)
1509 int size = qdict_get_int(qdict, "size");
1510 int addr = qdict_get_int(qdict, "addr");
1511 int has_index = qdict_haskey(qdict, "index");
1516 int index = qdict_get_int(qdict, "index");
1517 cpu_outb(addr & IOPORTS_MASK, index & 0xff);
1525 val = cpu_inb(addr);
1529 val = cpu_inw(addr);
1533 val = cpu_inl(addr);
1537 monitor_printf(mon, "port%c[0x%04x] = %#0*x\n",
1538 suffix, addr, size * 2, val);
1541 static void hmp_ioport_write(Monitor *mon, const QDict *qdict)
1543 int size = qdict_get_int(qdict, "size");
1544 int addr = qdict_get_int(qdict, "addr");
1545 int val = qdict_get_int(qdict, "val");
1547 addr &= IOPORTS_MASK;
1552 cpu_outb(addr, val);
1555 cpu_outw(addr, val);
1558 cpu_outl(addr, val);
1563 static void hmp_boot_set(Monitor *mon, const QDict *qdict)
1565 Error *local_err = NULL;
1566 const char *bootdevice = qdict_get_str(qdict, "bootdevice");
1568 qemu_boot_set(bootdevice, &local_err);
1570 error_report_err(local_err);
1572 monitor_printf(mon, "boot device list now set to %s\n", bootdevice);
1576 static void hmp_info_mtree(Monitor *mon, const QDict *qdict)
1578 mtree_info((fprintf_function)monitor_printf, mon);
1581 static void hmp_info_numa(Monitor *mon, const QDict *qdict)
1587 node_mem = g_new0(uint64_t, nb_numa_nodes);
1588 query_numa_node_mem(node_mem);
1589 monitor_printf(mon, "%d nodes\n", nb_numa_nodes);
1590 for (i = 0; i < nb_numa_nodes; i++) {
1591 monitor_printf(mon, "node %d cpus:", i);
1593 if (cpu->numa_node == i) {
1594 monitor_printf(mon, " %d", cpu->cpu_index);
1597 monitor_printf(mon, "\n");
1598 monitor_printf(mon, "node %d size: %" PRId64 " MB\n", i,
1604 #ifdef CONFIG_PROFILER
1609 static void hmp_info_profile(Monitor *mon, const QDict *qdict)
1611 monitor_printf(mon, "async time %" PRId64 " (%0.3f)\n",
1612 dev_time, dev_time / (double)NANOSECONDS_PER_SECOND);
1613 monitor_printf(mon, "qemu time %" PRId64 " (%0.3f)\n",
1614 tcg_time, tcg_time / (double)NANOSECONDS_PER_SECOND);
1619 static void hmp_info_profile(Monitor *mon, const QDict *qdict)
1621 monitor_printf(mon, "Internal profiler not compiled\n");
1625 /* Capture support */
1626 static QLIST_HEAD (capture_list_head, CaptureState) capture_head;
1628 static void hmp_info_capture(Monitor *mon, const QDict *qdict)
1633 for (s = capture_head.lh_first, i = 0; s; s = s->entries.le_next, ++i) {
1634 monitor_printf(mon, "[%d]: ", i);
1635 s->ops.info (s->opaque);
1639 static void hmp_stopcapture(Monitor *mon, const QDict *qdict)
1642 int n = qdict_get_int(qdict, "n");
1645 for (s = capture_head.lh_first, i = 0; s; s = s->entries.le_next, ++i) {
1647 s->ops.destroy (s->opaque);
1648 QLIST_REMOVE (s, entries);
1655 static void hmp_wavcapture(Monitor *mon, const QDict *qdict)
1657 const char *path = qdict_get_str(qdict, "path");
1658 int has_freq = qdict_haskey(qdict, "freq");
1659 int freq = qdict_get_try_int(qdict, "freq", -1);
1660 int has_bits = qdict_haskey(qdict, "bits");
1661 int bits = qdict_get_try_int(qdict, "bits", -1);
1662 int has_channels = qdict_haskey(qdict, "nchannels");
1663 int nchannels = qdict_get_try_int(qdict, "nchannels", -1);
1666 s = g_malloc0 (sizeof (*s));
1668 freq = has_freq ? freq : 44100;
1669 bits = has_bits ? bits : 16;
1670 nchannels = has_channels ? nchannels : 2;
1672 if (wav_start_capture (s, path, freq, bits, nchannels)) {
1673 monitor_printf(mon, "Failed to add wave capture\n");
1677 QLIST_INSERT_HEAD (&capture_head, s, entries);
1680 static qemu_acl *find_acl(Monitor *mon, const char *name)
1682 qemu_acl *acl = qemu_acl_find(name);
1685 monitor_printf(mon, "acl: unknown list '%s'\n", name);
1690 static void hmp_acl_show(Monitor *mon, const QDict *qdict)
1692 const char *aclname = qdict_get_str(qdict, "aclname");
1693 qemu_acl *acl = find_acl(mon, aclname);
1694 qemu_acl_entry *entry;
1698 monitor_printf(mon, "policy: %s\n",
1699 acl->defaultDeny ? "deny" : "allow");
1700 QTAILQ_FOREACH(entry, &acl->entries, next) {
1702 monitor_printf(mon, "%d: %s %s\n", i,
1703 entry->deny ? "deny" : "allow", entry->match);
1708 static void hmp_acl_reset(Monitor *mon, const QDict *qdict)
1710 const char *aclname = qdict_get_str(qdict, "aclname");
1711 qemu_acl *acl = find_acl(mon, aclname);
1714 qemu_acl_reset(acl);
1715 monitor_printf(mon, "acl: removed all rules\n");
1719 static void hmp_acl_policy(Monitor *mon, const QDict *qdict)
1721 const char *aclname = qdict_get_str(qdict, "aclname");
1722 const char *policy = qdict_get_str(qdict, "policy");
1723 qemu_acl *acl = find_acl(mon, aclname);
1726 if (strcmp(policy, "allow") == 0) {
1727 acl->defaultDeny = 0;
1728 monitor_printf(mon, "acl: policy set to 'allow'\n");
1729 } else if (strcmp(policy, "deny") == 0) {
1730 acl->defaultDeny = 1;
1731 monitor_printf(mon, "acl: policy set to 'deny'\n");
1733 monitor_printf(mon, "acl: unknown policy '%s', "
1734 "expected 'deny' or 'allow'\n", policy);
1739 static void hmp_acl_add(Monitor *mon, const QDict *qdict)
1741 const char *aclname = qdict_get_str(qdict, "aclname");
1742 const char *match = qdict_get_str(qdict, "match");
1743 const char *policy = qdict_get_str(qdict, "policy");
1744 int has_index = qdict_haskey(qdict, "index");
1745 int index = qdict_get_try_int(qdict, "index", -1);
1746 qemu_acl *acl = find_acl(mon, aclname);
1750 if (strcmp(policy, "allow") == 0) {
1752 } else if (strcmp(policy, "deny") == 0) {
1755 monitor_printf(mon, "acl: unknown policy '%s', "
1756 "expected 'deny' or 'allow'\n", policy);
1760 ret = qemu_acl_insert(acl, deny, match, index);
1762 ret = qemu_acl_append(acl, deny, match);
1764 monitor_printf(mon, "acl: unable to add acl entry\n");
1766 monitor_printf(mon, "acl: added rule at position %d\n", ret);
1770 static void hmp_acl_remove(Monitor *mon, const QDict *qdict)
1772 const char *aclname = qdict_get_str(qdict, "aclname");
1773 const char *match = qdict_get_str(qdict, "match");
1774 qemu_acl *acl = find_acl(mon, aclname);
1778 ret = qemu_acl_remove(acl, match);
1780 monitor_printf(mon, "acl: no matching acl entry\n");
1782 monitor_printf(mon, "acl: removed rule at position %d\n", ret);
1786 void qmp_getfd(const char *fdname, Error **errp)
1791 fd = qemu_chr_fe_get_msgfd(cur_mon->chr);
1793 error_setg(errp, QERR_FD_NOT_SUPPLIED);
1797 if (qemu_isdigit(fdname[0])) {
1799 error_setg(errp, QERR_INVALID_PARAMETER_VALUE, "fdname",
1800 "a name not starting with a digit");
1804 QLIST_FOREACH(monfd, &cur_mon->fds, next) {
1805 if (strcmp(monfd->name, fdname) != 0) {
1814 monfd = g_malloc0(sizeof(mon_fd_t));
1815 monfd->name = g_strdup(fdname);
1818 QLIST_INSERT_HEAD(&cur_mon->fds, monfd, next);
1821 void qmp_closefd(const char *fdname, Error **errp)
1825 QLIST_FOREACH(monfd, &cur_mon->fds, next) {
1826 if (strcmp(monfd->name, fdname) != 0) {
1830 QLIST_REMOVE(monfd, next);
1832 g_free(monfd->name);
1837 error_setg(errp, QERR_FD_NOT_FOUND, fdname);
1840 static void hmp_loadvm(Monitor *mon, const QDict *qdict)
1842 int saved_vm_running = runstate_is_running();
1843 const char *name = qdict_get_str(qdict, "name");
1845 vm_stop(RUN_STATE_RESTORE_VM);
1847 if (load_vmstate(name) == 0 && saved_vm_running) {
1852 int monitor_get_fd(Monitor *mon, const char *fdname, Error **errp)
1856 QLIST_FOREACH(monfd, &mon->fds, next) {
1859 if (strcmp(monfd->name, fdname) != 0) {
1865 /* caller takes ownership of fd */
1866 QLIST_REMOVE(monfd, next);
1867 g_free(monfd->name);
1873 error_setg(errp, "File descriptor named '%s' has not been found", fdname);
1877 static void monitor_fdset_cleanup(MonFdset *mon_fdset)
1879 MonFdsetFd *mon_fdset_fd;
1880 MonFdsetFd *mon_fdset_fd_next;
1882 QLIST_FOREACH_SAFE(mon_fdset_fd, &mon_fdset->fds, next, mon_fdset_fd_next) {
1883 if ((mon_fdset_fd->removed ||
1884 (QLIST_EMPTY(&mon_fdset->dup_fds) && mon_refcount == 0)) &&
1885 runstate_is_running()) {
1886 close(mon_fdset_fd->fd);
1887 g_free(mon_fdset_fd->opaque);
1888 QLIST_REMOVE(mon_fdset_fd, next);
1889 g_free(mon_fdset_fd);
1893 if (QLIST_EMPTY(&mon_fdset->fds) && QLIST_EMPTY(&mon_fdset->dup_fds)) {
1894 QLIST_REMOVE(mon_fdset, next);
1899 static void monitor_fdsets_cleanup(void)
1901 MonFdset *mon_fdset;
1902 MonFdset *mon_fdset_next;
1904 QLIST_FOREACH_SAFE(mon_fdset, &mon_fdsets, next, mon_fdset_next) {
1905 monitor_fdset_cleanup(mon_fdset);
1909 AddfdInfo *qmp_add_fd(bool has_fdset_id, int64_t fdset_id, bool has_opaque,
1910 const char *opaque, Error **errp)
1913 Monitor *mon = cur_mon;
1916 fd = qemu_chr_fe_get_msgfd(mon->chr);
1918 error_setg(errp, QERR_FD_NOT_SUPPLIED);
1922 fdinfo = monitor_fdset_add_fd(fd, has_fdset_id, fdset_id,
1923 has_opaque, opaque, errp);
1935 void qmp_remove_fd(int64_t fdset_id, bool has_fd, int64_t fd, Error **errp)
1937 MonFdset *mon_fdset;
1938 MonFdsetFd *mon_fdset_fd;
1941 QLIST_FOREACH(mon_fdset, &mon_fdsets, next) {
1942 if (mon_fdset->id != fdset_id) {
1945 QLIST_FOREACH(mon_fdset_fd, &mon_fdset->fds, next) {
1947 if (mon_fdset_fd->fd != fd) {
1950 mon_fdset_fd->removed = true;
1953 mon_fdset_fd->removed = true;
1956 if (has_fd && !mon_fdset_fd) {
1959 monitor_fdset_cleanup(mon_fdset);
1965 snprintf(fd_str, sizeof(fd_str), "fdset-id:%" PRId64 ", fd:%" PRId64,
1968 snprintf(fd_str, sizeof(fd_str), "fdset-id:%" PRId64, fdset_id);
1970 error_setg(errp, QERR_FD_NOT_FOUND, fd_str);
1973 FdsetInfoList *qmp_query_fdsets(Error **errp)
1975 MonFdset *mon_fdset;
1976 MonFdsetFd *mon_fdset_fd;
1977 FdsetInfoList *fdset_list = NULL;
1979 QLIST_FOREACH(mon_fdset, &mon_fdsets, next) {
1980 FdsetInfoList *fdset_info = g_malloc0(sizeof(*fdset_info));
1981 FdsetFdInfoList *fdsetfd_list = NULL;
1983 fdset_info->value = g_malloc0(sizeof(*fdset_info->value));
1984 fdset_info->value->fdset_id = mon_fdset->id;
1986 QLIST_FOREACH(mon_fdset_fd, &mon_fdset->fds, next) {
1987 FdsetFdInfoList *fdsetfd_info;
1989 fdsetfd_info = g_malloc0(sizeof(*fdsetfd_info));
1990 fdsetfd_info->value = g_malloc0(sizeof(*fdsetfd_info->value));
1991 fdsetfd_info->value->fd = mon_fdset_fd->fd;
1992 if (mon_fdset_fd->opaque) {
1993 fdsetfd_info->value->has_opaque = true;
1994 fdsetfd_info->value->opaque = g_strdup(mon_fdset_fd->opaque);
1996 fdsetfd_info->value->has_opaque = false;
1999 fdsetfd_info->next = fdsetfd_list;
2000 fdsetfd_list = fdsetfd_info;
2003 fdset_info->value->fds = fdsetfd_list;
2005 fdset_info->next = fdset_list;
2006 fdset_list = fdset_info;
2012 AddfdInfo *monitor_fdset_add_fd(int fd, bool has_fdset_id, int64_t fdset_id,
2013 bool has_opaque, const char *opaque,
2016 MonFdset *mon_fdset = NULL;
2017 MonFdsetFd *mon_fdset_fd;
2021 QLIST_FOREACH(mon_fdset, &mon_fdsets, next) {
2022 /* Break if match found or match impossible due to ordering by ID */
2023 if (fdset_id <= mon_fdset->id) {
2024 if (fdset_id < mon_fdset->id) {
2032 if (mon_fdset == NULL) {
2033 int64_t fdset_id_prev = -1;
2034 MonFdset *mon_fdset_cur = QLIST_FIRST(&mon_fdsets);
2038 error_setg(errp, QERR_INVALID_PARAMETER_VALUE, "fdset-id",
2039 "a non-negative value");
2042 /* Use specified fdset ID */
2043 QLIST_FOREACH(mon_fdset, &mon_fdsets, next) {
2044 mon_fdset_cur = mon_fdset;
2045 if (fdset_id < mon_fdset_cur->id) {
2050 /* Use first available fdset ID */
2051 QLIST_FOREACH(mon_fdset, &mon_fdsets, next) {
2052 mon_fdset_cur = mon_fdset;
2053 if (fdset_id_prev == mon_fdset_cur->id - 1) {
2054 fdset_id_prev = mon_fdset_cur->id;
2061 mon_fdset = g_malloc0(sizeof(*mon_fdset));
2063 mon_fdset->id = fdset_id;
2065 mon_fdset->id = fdset_id_prev + 1;
2068 /* The fdset list is ordered by fdset ID */
2069 if (!mon_fdset_cur) {
2070 QLIST_INSERT_HEAD(&mon_fdsets, mon_fdset, next);
2071 } else if (mon_fdset->id < mon_fdset_cur->id) {
2072 QLIST_INSERT_BEFORE(mon_fdset_cur, mon_fdset, next);
2074 QLIST_INSERT_AFTER(mon_fdset_cur, mon_fdset, next);
2078 mon_fdset_fd = g_malloc0(sizeof(*mon_fdset_fd));
2079 mon_fdset_fd->fd = fd;
2080 mon_fdset_fd->removed = false;
2082 mon_fdset_fd->opaque = g_strdup(opaque);
2084 QLIST_INSERT_HEAD(&mon_fdset->fds, mon_fdset_fd, next);
2086 fdinfo = g_malloc0(sizeof(*fdinfo));
2087 fdinfo->fdset_id = mon_fdset->id;
2088 fdinfo->fd = mon_fdset_fd->fd;
2093 int monitor_fdset_get_fd(int64_t fdset_id, int flags)
2096 MonFdset *mon_fdset;
2097 MonFdsetFd *mon_fdset_fd;
2100 QLIST_FOREACH(mon_fdset, &mon_fdsets, next) {
2101 if (mon_fdset->id != fdset_id) {
2104 QLIST_FOREACH(mon_fdset_fd, &mon_fdset->fds, next) {
2105 mon_fd_flags = fcntl(mon_fdset_fd->fd, F_GETFL);
2106 if (mon_fd_flags == -1) {
2110 if ((flags & O_ACCMODE) == (mon_fd_flags & O_ACCMODE)) {
2111 return mon_fdset_fd->fd;
2123 int monitor_fdset_dup_fd_add(int64_t fdset_id, int dup_fd)
2125 MonFdset *mon_fdset;
2126 MonFdsetFd *mon_fdset_fd_dup;
2128 QLIST_FOREACH(mon_fdset, &mon_fdsets, next) {
2129 if (mon_fdset->id != fdset_id) {
2132 QLIST_FOREACH(mon_fdset_fd_dup, &mon_fdset->dup_fds, next) {
2133 if (mon_fdset_fd_dup->fd == dup_fd) {
2137 mon_fdset_fd_dup = g_malloc0(sizeof(*mon_fdset_fd_dup));
2138 mon_fdset_fd_dup->fd = dup_fd;
2139 QLIST_INSERT_HEAD(&mon_fdset->dup_fds, mon_fdset_fd_dup, next);
2145 static int monitor_fdset_dup_fd_find_remove(int dup_fd, bool remove)
2147 MonFdset *mon_fdset;
2148 MonFdsetFd *mon_fdset_fd_dup;
2150 QLIST_FOREACH(mon_fdset, &mon_fdsets, next) {
2151 QLIST_FOREACH(mon_fdset_fd_dup, &mon_fdset->dup_fds, next) {
2152 if (mon_fdset_fd_dup->fd == dup_fd) {
2154 QLIST_REMOVE(mon_fdset_fd_dup, next);
2155 if (QLIST_EMPTY(&mon_fdset->dup_fds)) {
2156 monitor_fdset_cleanup(mon_fdset);
2160 return mon_fdset->id;
2168 int monitor_fdset_dup_fd_find(int dup_fd)
2170 return monitor_fdset_dup_fd_find_remove(dup_fd, false);
2173 void monitor_fdset_dup_fd_remove(int dup_fd)
2175 monitor_fdset_dup_fd_find_remove(dup_fd, true);
2178 int monitor_fd_param(Monitor *mon, const char *fdname, Error **errp)
2181 Error *local_err = NULL;
2183 if (!qemu_isdigit(fdname[0]) && mon) {
2184 fd = monitor_get_fd(mon, fdname, &local_err);
2186 fd = qemu_parse_fd(fdname);
2188 error_setg(&local_err, "Invalid file descriptor number '%s'",
2193 error_propagate(errp, local_err);
2202 /* Please update hmp-commands.hx when adding or changing commands */
2203 static mon_cmd_t info_cmds[] = {
2204 #include "hmp-commands-info.h"
2208 /* mon_cmds and info_cmds would be sorted at runtime */
2209 static mon_cmd_t mon_cmds[] = {
2210 #include "hmp-commands.h"
2214 static const mon_cmd_t qmp_cmds[] = {
2215 #include "qmp-commands-old.h"
2219 /*******************************************************************/
2221 static const char *pch;
2222 static sigjmp_buf expr_env;
2225 static void GCC_FMT_ATTR(2, 3) QEMU_NORETURN
2226 expr_error(Monitor *mon, const char *fmt, ...)
2230 monitor_vprintf(mon, fmt, ap);
2231 monitor_printf(mon, "\n");
2233 siglongjmp(expr_env, 1);
2236 /* return 0 if OK, -1 if not found */
2237 static int get_monitor_def(target_long *pval, const char *name)
2239 const MonitorDef *md = target_monitor_defs();
2248 for(; md->name != NULL; md++) {
2249 if (compare_cmd(name, md->name)) {
2250 if (md->get_value) {
2251 *pval = md->get_value(md, md->offset);
2253 CPUArchState *env = mon_get_cpu_env();
2254 ptr = (uint8_t *)env + md->offset;
2257 *pval = *(int32_t *)ptr;
2260 *pval = *(target_long *)ptr;
2271 ret = target_get_monitor_def(mon_get_cpu(), name, &tmp);
2273 *pval = (target_long) tmp;
2279 static void next(void)
2283 while (qemu_isspace(*pch))
2288 static int64_t expr_sum(Monitor *mon);
2290 static int64_t expr_unary(Monitor *mon)
2299 n = expr_unary(mon);
2303 n = -expr_unary(mon);
2307 n = ~expr_unary(mon);
2313 expr_error(mon, "')' expected");
2320 expr_error(mon, "character constant expected");
2324 expr_error(mon, "missing terminating \' character");
2334 while ((*pch >= 'a' && *pch <= 'z') ||
2335 (*pch >= 'A' && *pch <= 'Z') ||
2336 (*pch >= '0' && *pch <= '9') ||
2337 *pch == '_' || *pch == '.') {
2338 if ((q - buf) < sizeof(buf) - 1)
2342 while (qemu_isspace(*pch))
2345 ret = get_monitor_def(®, buf);
2347 expr_error(mon, "unknown register");
2352 expr_error(mon, "unexpected end of expression");
2357 n = strtoull(pch, &p, 0);
2358 if (errno == ERANGE) {
2359 expr_error(mon, "number too large");
2362 expr_error(mon, "invalid char '%c' in expression", *p);
2365 while (qemu_isspace(*pch))
2373 static int64_t expr_prod(Monitor *mon)
2378 val = expr_unary(mon);
2381 if (op != '*' && op != '/' && op != '%')
2384 val2 = expr_unary(mon);
2393 expr_error(mon, "division by zero");
2404 static int64_t expr_logic(Monitor *mon)
2409 val = expr_prod(mon);
2412 if (op != '&' && op != '|' && op != '^')
2415 val2 = expr_prod(mon);
2432 static int64_t expr_sum(Monitor *mon)
2437 val = expr_logic(mon);
2440 if (op != '+' && op != '-')
2443 val2 = expr_logic(mon);
2452 static int get_expr(Monitor *mon, int64_t *pval, const char **pp)
2455 if (sigsetjmp(expr_env, 0)) {
2459 while (qemu_isspace(*pch))
2461 *pval = expr_sum(mon);
2466 static int get_double(Monitor *mon, double *pval, const char **pp)
2468 const char *p = *pp;
2472 d = strtod(p, &tailp);
2474 monitor_printf(mon, "Number expected\n");
2477 if (d != d || d - d != 0) {
2478 /* NaN or infinity */
2479 monitor_printf(mon, "Bad number\n");
2488 * Store the command-name in cmdname, and return a pointer to
2489 * the remaining of the command string.
2491 static const char *get_command_name(const char *cmdline,
2492 char *cmdname, size_t nlen)
2495 const char *p, *pstart;
2498 while (qemu_isspace(*p))
2503 while (*p != '\0' && *p != '/' && !qemu_isspace(*p))
2508 memcpy(cmdname, pstart, len);
2509 cmdname[len] = '\0';
2514 * Read key of 'type' into 'key' and return the current
2517 static char *key_get_info(const char *type, char **key)
2525 p = strchr(type, ':');
2532 str = g_malloc(len + 1);
2533 memcpy(str, type, len);
2540 static int default_fmt_format = 'x';
2541 static int default_fmt_size = 4;
2543 static int is_valid_option(const char *c, const char *typestr)
2551 typestr = strstr(typestr, option);
2552 return (typestr != NULL);
2555 static const mon_cmd_t *search_dispatch_table(const mon_cmd_t *disp_table,
2556 const char *cmdname)
2558 const mon_cmd_t *cmd;
2560 for (cmd = disp_table; cmd->name != NULL; cmd++) {
2561 if (compare_cmd(cmdname, cmd->name)) {
2569 static const mon_cmd_t *qmp_find_cmd(const char *cmdname)
2571 return search_dispatch_table(qmp_cmds, cmdname);
2575 * Parse command name from @cmdp according to command table @table.
2576 * If blank, return NULL.
2577 * Else, if no valid command can be found, report to @mon, and return
2579 * Else, change @cmdp to point right behind the name, and return its
2580 * command table entry.
2581 * Do not assume the return value points into @table! It doesn't when
2582 * the command is found in a sub-command table.
2584 static const mon_cmd_t *monitor_parse_command(Monitor *mon,
2589 const mon_cmd_t *cmd;
2592 /* extract the command name */
2593 p = get_command_name(*cmdp, cmdname, sizeof(cmdname));
2597 cmd = search_dispatch_table(table, cmdname);
2599 monitor_printf(mon, "unknown command: '%.*s'\n",
2600 (int)(p - *cmdp), *cmdp);
2604 /* filter out following useless space */
2605 while (qemu_isspace(*p)) {
2610 /* search sub command */
2611 if (cmd->sub_table != NULL && *p != '\0') {
2612 return monitor_parse_command(mon, cmdp, cmd->sub_table);
2619 * Parse arguments for @cmd.
2620 * If it can't be parsed, report to @mon, and return NULL.
2621 * Else, insert command arguments into a QDict, and return it.
2622 * Note: On success, caller has to free the QDict structure.
2625 static QDict *monitor_parse_arguments(Monitor *mon,
2627 const mon_cmd_t *cmd)
2629 const char *typestr;
2632 const char *p = *endp;
2634 QDict *qdict = qdict_new();
2636 /* parse the parameters */
2637 typestr = cmd->args_type;
2639 typestr = key_get_info(typestr, &key);
2651 while (qemu_isspace(*p))
2653 if (*typestr == '?') {
2656 /* no optional string: NULL argument */
2660 ret = get_str(buf, sizeof(buf), &p);
2664 monitor_printf(mon, "%s: filename expected\n",
2668 monitor_printf(mon, "%s: block device name expected\n",
2672 monitor_printf(mon, "%s: string expected\n", cmd->name);
2677 qdict_put(qdict, key, qstring_from_str(buf));
2682 QemuOptsList *opts_list;
2685 opts_list = qemu_find_opts(key);
2686 if (!opts_list || opts_list->desc->name) {
2689 while (qemu_isspace(*p)) {
2694 if (get_str(buf, sizeof(buf), &p) < 0) {
2697 opts = qemu_opts_parse_noisily(opts_list, buf, true);
2701 qemu_opts_to_qdict(opts, qdict);
2702 qemu_opts_del(opts);
2707 int count, format, size;
2709 while (qemu_isspace(*p))
2715 if (qemu_isdigit(*p)) {
2717 while (qemu_isdigit(*p)) {
2718 count = count * 10 + (*p - '0');
2756 if (*p != '\0' && !qemu_isspace(*p)) {
2757 monitor_printf(mon, "invalid char in format: '%c'\n",
2762 format = default_fmt_format;
2763 if (format != 'i') {
2764 /* for 'i', not specifying a size gives -1 as size */
2766 size = default_fmt_size;
2767 default_fmt_size = size;
2769 default_fmt_format = format;
2772 format = default_fmt_format;
2773 if (format != 'i') {
2774 size = default_fmt_size;
2779 qdict_put(qdict, "count", qint_from_int(count));
2780 qdict_put(qdict, "format", qint_from_int(format));
2781 qdict_put(qdict, "size", qint_from_int(size));
2790 while (qemu_isspace(*p))
2792 if (*typestr == '?' || *typestr == '.') {
2793 if (*typestr == '?') {
2801 while (qemu_isspace(*p))
2810 if (get_expr(mon, &val, &p))
2812 /* Check if 'i' is greater than 32-bit */
2813 if ((c == 'i') && ((val >> 32) & 0xffffffff)) {
2814 monitor_printf(mon, "\'%s\' has failed: ", cmd->name);
2815 monitor_printf(mon, "integer is for 32-bit values\n");
2817 } else if (c == 'M') {
2819 monitor_printf(mon, "enter a positive value\n");
2824 qdict_put(qdict, key, qint_from_int(val));
2832 while (qemu_isspace(*p)) {
2835 if (*typestr == '?') {
2841 val = qemu_strtosz(p, &end);
2843 monitor_printf(mon, "invalid size\n");
2846 qdict_put(qdict, key, qint_from_int(val));
2854 while (qemu_isspace(*p))
2856 if (*typestr == '?') {
2862 if (get_double(mon, &val, &p) < 0) {
2865 if (p[0] && p[1] == 's') {
2868 val /= 1e3; p += 2; break;
2870 val /= 1e6; p += 2; break;
2872 val /= 1e9; p += 2; break;
2875 if (*p && !qemu_isspace(*p)) {
2876 monitor_printf(mon, "Unknown unit suffix\n");
2879 qdict_put(qdict, key, qfloat_from_double(val));
2887 while (qemu_isspace(*p)) {
2891 while (qemu_isgraph(*p)) {
2894 if (p - beg == 2 && !memcmp(beg, "on", p - beg)) {
2896 } else if (p - beg == 3 && !memcmp(beg, "off", p - beg)) {
2899 monitor_printf(mon, "Expected 'on' or 'off'\n");
2902 qdict_put(qdict, key, qbool_from_bool(val));
2907 const char *tmp = p;
2914 while (qemu_isspace(*p))
2919 if(!is_valid_option(p, typestr)) {
2921 monitor_printf(mon, "%s: unsupported option -%c\n",
2933 qdict_put(qdict, key, qbool_from_bool(true));
2940 /* package all remaining string */
2943 while (qemu_isspace(*p)) {
2946 if (*typestr == '?') {
2949 /* no remaining string: NULL argument */
2955 monitor_printf(mon, "%s: string expected\n",
2959 qdict_put(qdict, key, qstring_from_str(p));
2965 monitor_printf(mon, "%s: unknown type '%c'\n", cmd->name, c);
2971 /* check that all arguments were parsed */
2972 while (qemu_isspace(*p))
2975 monitor_printf(mon, "%s: extraneous characters at the end of line\n",
2988 static void handle_hmp_command(Monitor *mon, const char *cmdline)
2991 const mon_cmd_t *cmd;
2993 cmd = monitor_parse_command(mon, &cmdline, mon->cmd_table);
2998 qdict = monitor_parse_arguments(mon, &cmdline, cmd);
3000 monitor_printf(mon, "Try \"help %s\" for more information\n",
3005 cmd->cmd(mon, qdict);
3009 static void cmd_completion(Monitor *mon, const char *name, const char *list)
3011 const char *p, *pstart;
3020 p = pstart + strlen(pstart);
3022 if (len > sizeof(cmd) - 2)
3023 len = sizeof(cmd) - 2;
3024 memcpy(cmd, pstart, len);
3026 if (name[0] == '\0' || !strncmp(name, cmd, strlen(name))) {
3027 readline_add_completion(mon->rs, cmd);
3035 static void file_completion(Monitor *mon, const char *input)
3040 char file[1024], file_prefix[1024];
3044 p = strrchr(input, '/');
3047 pstrcpy(file_prefix, sizeof(file_prefix), input);
3048 pstrcpy(path, sizeof(path), ".");
3050 input_path_len = p - input + 1;
3051 memcpy(path, input, input_path_len);
3052 if (input_path_len > sizeof(path) - 1)
3053 input_path_len = sizeof(path) - 1;
3054 path[input_path_len] = '\0';
3055 pstrcpy(file_prefix, sizeof(file_prefix), p + 1);
3058 ffs = opendir(path);
3067 if (strcmp(d->d_name, ".") == 0 || strcmp(d->d_name, "..") == 0) {
3071 if (strstart(d->d_name, file_prefix, NULL)) {
3072 memcpy(file, input, input_path_len);
3073 if (input_path_len < sizeof(file))
3074 pstrcpy(file + input_path_len, sizeof(file) - input_path_len,
3076 /* stat the file to find out if it's a directory.
3077 * In that case add a slash to speed up typing long paths
3079 if (stat(file, &sb) == 0 && S_ISDIR(sb.st_mode)) {
3080 pstrcat(file, sizeof(file), "/");
3082 readline_add_completion(mon->rs, file);
3088 static const char *next_arg_type(const char *typestr)
3090 const char *p = strchr(typestr, ':');
3091 return (p != NULL ? ++p : typestr);
3094 static void add_completion_option(ReadLineState *rs, const char *str,
3097 if (!str || !option) {
3100 if (!strncmp(option, str, strlen(str))) {
3101 readline_add_completion(rs, option);
3105 void chardev_add_completion(ReadLineState *rs, int nb_args, const char *str)
3108 ChardevBackendInfoList *list, *start;
3114 readline_set_completion_index(rs, len);
3116 start = list = qmp_query_chardev_backends(NULL);
3118 const char *chr_name = list->value->name;
3120 if (!strncmp(chr_name, str, len)) {
3121 readline_add_completion(rs, chr_name);
3125 qapi_free_ChardevBackendInfoList(start);
3128 void netdev_add_completion(ReadLineState *rs, int nb_args, const char *str)
3137 readline_set_completion_index(rs, len);
3138 for (i = 0; NetClientDriver_lookup[i]; i++) {
3139 add_completion_option(rs, str, NetClientDriver_lookup[i]);
3143 void device_add_completion(ReadLineState *rs, int nb_args, const char *str)
3153 readline_set_completion_index(rs, len);
3154 list = elt = object_class_get_list(TYPE_DEVICE, false);
3157 DeviceClass *dc = OBJECT_CLASS_CHECK(DeviceClass, elt->data,
3159 name = object_class_get_name(OBJECT_CLASS(dc));
3161 if (!dc->cannot_instantiate_with_device_add_yet
3162 && !strncmp(name, str, len)) {
3163 readline_add_completion(rs, name);
3170 void object_add_completion(ReadLineState *rs, int nb_args, const char *str)
3180 readline_set_completion_index(rs, len);
3181 list = elt = object_class_get_list(TYPE_USER_CREATABLE, false);
3185 name = object_class_get_name(OBJECT_CLASS(elt->data));
3186 if (!strncmp(name, str, len) && strcmp(name, TYPE_USER_CREATABLE)) {
3187 readline_add_completion(rs, name);
3194 static void peripheral_device_del_completion(ReadLineState *rs,
3195 const char *str, size_t len)
3197 Object *peripheral = container_get(qdev_get_machine(), "/peripheral");
3198 GSList *list, *item;
3200 list = qdev_build_hotpluggable_device_list(peripheral);
3205 for (item = list; item; item = g_slist_next(item)) {
3206 DeviceState *dev = item->data;
3208 if (dev->id && !strncmp(str, dev->id, len)) {
3209 readline_add_completion(rs, dev->id);
3216 void chardev_remove_completion(ReadLineState *rs, int nb_args, const char *str)
3219 ChardevInfoList *list, *start;
3225 readline_set_completion_index(rs, len);
3227 start = list = qmp_query_chardev(NULL);
3229 ChardevInfo *chr = list->value;
3231 if (!strncmp(chr->label, str, len)) {
3232 readline_add_completion(rs, chr->label);
3236 qapi_free_ChardevInfoList(start);
3239 static void ringbuf_completion(ReadLineState *rs, const char *str)
3242 ChardevInfoList *list, *start;
3245 readline_set_completion_index(rs, len);
3247 start = list = qmp_query_chardev(NULL);
3249 ChardevInfo *chr_info = list->value;
3251 if (!strncmp(chr_info->label, str, len)) {
3252 CharDriverState *chr = qemu_chr_find(chr_info->label);
3253 if (chr && chr_is_ringbuf(chr)) {
3254 readline_add_completion(rs, chr_info->label);
3259 qapi_free_ChardevInfoList(start);
3262 void ringbuf_write_completion(ReadLineState *rs, int nb_args, const char *str)
3267 ringbuf_completion(rs, str);
3270 void device_del_completion(ReadLineState *rs, int nb_args, const char *str)
3279 readline_set_completion_index(rs, len);
3280 peripheral_device_del_completion(rs, str, len);
3283 void object_del_completion(ReadLineState *rs, int nb_args, const char *str)
3285 ObjectPropertyInfoList *list, *start;
3292 readline_set_completion_index(rs, len);
3294 start = list = qmp_qom_list("/objects", NULL);
3296 ObjectPropertyInfo *info = list->value;
3298 if (!strncmp(info->type, "child<", 5)
3299 && !strncmp(info->name, str, len)) {
3300 readline_add_completion(rs, info->name);
3304 qapi_free_ObjectPropertyInfoList(start);
3307 void sendkey_completion(ReadLineState *rs, int nb_args, const char *str)
3316 sep = strrchr(str, '-');
3321 readline_set_completion_index(rs, len);
3322 for (i = 0; i < Q_KEY_CODE__MAX; i++) {
3323 if (!strncmp(str, QKeyCode_lookup[i], len)) {
3324 readline_add_completion(rs, QKeyCode_lookup[i]);
3329 void set_link_completion(ReadLineState *rs, int nb_args, const char *str)
3334 readline_set_completion_index(rs, len);
3336 NetClientState *ncs[MAX_QUEUE_NUM];
3338 count = qemu_find_net_clients_except(NULL, ncs,
3339 NET_CLIENT_DRIVER_NONE,
3341 for (i = 0; i < MIN(count, MAX_QUEUE_NUM); i++) {
3342 const char *name = ncs[i]->name;
3343 if (!strncmp(str, name, len)) {
3344 readline_add_completion(rs, name);
3347 } else if (nb_args == 3) {
3348 add_completion_option(rs, str, "on");
3349 add_completion_option(rs, str, "off");
3353 void netdev_del_completion(ReadLineState *rs, int nb_args, const char *str)
3356 NetClientState *ncs[MAX_QUEUE_NUM];
3363 readline_set_completion_index(rs, len);
3364 count = qemu_find_net_clients_except(NULL, ncs, NET_CLIENT_DRIVER_NIC,
3366 for (i = 0; i < MIN(count, MAX_QUEUE_NUM); i++) {
3368 const char *name = ncs[i]->name;
3369 if (strncmp(str, name, len)) {
3372 opts = qemu_opts_find(qemu_find_opts_err("netdev", NULL), name);
3374 readline_add_completion(rs, name);
3379 void info_trace_events_completion(ReadLineState *rs, int nb_args, const char *str)
3384 readline_set_completion_index(rs, len);
3387 for (id = 0; id < trace_event_count(); id++) {
3388 const char *event_name = trace_event_get_name(trace_event_id(id));
3389 if (!strncmp(str, event_name, len)) {
3390 readline_add_completion(rs, event_name);
3396 void trace_event_completion(ReadLineState *rs, int nb_args, const char *str)
3401 readline_set_completion_index(rs, len);
3404 for (id = 0; id < trace_event_count(); id++) {
3405 const char *event_name = trace_event_get_name(trace_event_id(id));
3406 if (!strncmp(str, event_name, len)) {
3407 readline_add_completion(rs, event_name);
3410 } else if (nb_args == 3) {
3411 add_completion_option(rs, str, "on");
3412 add_completion_option(rs, str, "off");
3416 void watchdog_action_completion(ReadLineState *rs, int nb_args, const char *str)
3423 readline_set_completion_index(rs, strlen(str));
3424 for (i = 0; WatchdogExpirationAction_lookup[i]; i++) {
3425 add_completion_option(rs, str, WatchdogExpirationAction_lookup[i]);
3429 void migrate_set_capability_completion(ReadLineState *rs, int nb_args,
3435 readline_set_completion_index(rs, len);
3438 for (i = 0; i < MIGRATION_CAPABILITY__MAX; i++) {
3439 const char *name = MigrationCapability_lookup[i];
3440 if (!strncmp(str, name, len)) {
3441 readline_add_completion(rs, name);
3444 } else if (nb_args == 3) {
3445 add_completion_option(rs, str, "on");
3446 add_completion_option(rs, str, "off");
3450 void migrate_set_parameter_completion(ReadLineState *rs, int nb_args,
3456 readline_set_completion_index(rs, len);
3459 for (i = 0; i < MIGRATION_PARAMETER__MAX; i++) {
3460 const char *name = MigrationParameter_lookup[i];
3461 if (!strncmp(str, name, len)) {
3462 readline_add_completion(rs, name);
3468 void host_net_add_completion(ReadLineState *rs, int nb_args, const char *str)
3476 readline_set_completion_index(rs, len);
3477 for (i = 0; host_net_devices[i]; i++) {
3478 if (!strncmp(host_net_devices[i], str, len)) {
3479 readline_add_completion(rs, host_net_devices[i]);
3484 void host_net_remove_completion(ReadLineState *rs, int nb_args, const char *str)
3486 NetClientState *ncs[MAX_QUEUE_NUM];
3490 readline_set_completion_index(rs, len);
3492 count = qemu_find_net_clients_except(NULL, ncs,
3493 NET_CLIENT_DRIVER_NONE,
3495 for (i = 0; i < MIN(count, MAX_QUEUE_NUM); i++) {
3499 if (net_hub_id_for_client(ncs[i], &id)) {
3502 snprintf(name, sizeof(name), "%d", id);
3503 if (!strncmp(str, name, len)) {
3504 readline_add_completion(rs, name);
3508 } else if (nb_args == 3) {
3509 count = qemu_find_net_clients_except(NULL, ncs,
3510 NET_CLIENT_DRIVER_NIC,
3512 for (i = 0; i < MIN(count, MAX_QUEUE_NUM); i++) {
3516 if (ncs[i]->info->type == NET_CLIENT_DRIVER_HUBPORT ||
3517 net_hub_id_for_client(ncs[i], &id)) {
3520 name = ncs[i]->name;
3521 if (!strncmp(str, name, len)) {
3522 readline_add_completion(rs, name);
3529 static void vm_completion(ReadLineState *rs, const char *str)
3532 BlockDriverState *bs;
3533 BdrvNextIterator it;
3536 readline_set_completion_index(rs, len);
3538 for (bs = bdrv_first(&it); bs; bs = bdrv_next(&it)) {
3539 SnapshotInfoList *snapshots, *snapshot;
3540 AioContext *ctx = bdrv_get_aio_context(bs);
3543 aio_context_acquire(ctx);
3544 if (bdrv_can_snapshot(bs)) {
3545 ok = bdrv_query_snapshot_info_list(bs, &snapshots, NULL) == 0;
3547 aio_context_release(ctx);
3552 snapshot = snapshots;
3554 char *completion = snapshot->value->name;
3555 if (!strncmp(str, completion, len)) {
3556 readline_add_completion(rs, completion);
3558 completion = snapshot->value->id;
3559 if (!strncmp(str, completion, len)) {
3560 readline_add_completion(rs, completion);
3562 snapshot = snapshot->next;
3564 qapi_free_SnapshotInfoList(snapshots);
3569 void delvm_completion(ReadLineState *rs, int nb_args, const char *str)
3572 vm_completion(rs, str);
3576 void loadvm_completion(ReadLineState *rs, int nb_args, const char *str)
3579 vm_completion(rs, str);
3583 static void monitor_find_completion_by_table(Monitor *mon,
3584 const mon_cmd_t *cmd_table,
3588 const char *cmdname;
3590 const char *ptype, *str, *name;
3591 const mon_cmd_t *cmd;
3592 BlockBackend *blk = NULL;
3595 /* command completion */
3600 readline_set_completion_index(mon->rs, strlen(cmdname));
3601 for (cmd = cmd_table; cmd->name != NULL; cmd++) {
3602 cmd_completion(mon, cmdname, cmd->name);
3605 /* find the command */
3606 for (cmd = cmd_table; cmd->name != NULL; cmd++) {
3607 if (compare_cmd(args[0], cmd->name)) {
3615 if (cmd->sub_table) {
3616 /* do the job again */
3617 monitor_find_completion_by_table(mon, cmd->sub_table,
3618 &args[1], nb_args - 1);
3621 if (cmd->command_completion) {
3622 cmd->command_completion(mon->rs, nb_args, args[nb_args - 1]);
3626 ptype = next_arg_type(cmd->args_type);
3627 for(i = 0; i < nb_args - 2; i++) {
3628 if (*ptype != '\0') {
3629 ptype = next_arg_type(ptype);
3630 while (*ptype == '?')
3631 ptype = next_arg_type(ptype);
3634 str = args[nb_args - 1];
3635 while (*ptype == '-' && ptype[1] != '\0') {
3636 ptype = next_arg_type(ptype);
3640 /* file completion */
3641 readline_set_completion_index(mon->rs, strlen(str));
3642 file_completion(mon, str);
3645 /* block device name completion */
3646 readline_set_completion_index(mon->rs, strlen(str));
3647 while ((blk = blk_next(blk)) != NULL) {
3648 name = blk_name(blk);
3649 if (str[0] == '\0' ||
3650 !strncmp(name, str, strlen(str))) {
3651 readline_add_completion(mon->rs, name);
3657 if (!strcmp(cmd->name, "help|?")) {
3658 monitor_find_completion_by_table(mon, cmd_table,
3659 &args[1], nb_args - 1);
3668 static void monitor_find_completion(void *opaque,
3669 const char *cmdline)
3671 Monitor *mon = opaque;
3672 char *args[MAX_ARGS];
3675 /* 1. parse the cmdline */
3676 if (parse_cmdline(cmdline, &nb_args, args) < 0) {
3680 /* if the line ends with a space, it means we want to complete the
3682 len = strlen(cmdline);
3683 if (len > 0 && qemu_isspace(cmdline[len - 1])) {
3684 if (nb_args >= MAX_ARGS) {
3687 args[nb_args++] = g_strdup("");
3690 /* 2. auto complete according to args */
3691 monitor_find_completion_by_table(mon, mon->cmd_table, args, nb_args);
3694 free_cmdline_args(args, nb_args);
3697 static int monitor_can_read(void *opaque)
3699 Monitor *mon = opaque;
3701 return (mon->suspend_cnt == 0) ? 1 : 0;
3704 static bool invalid_qmp_mode(const Monitor *mon, const char *cmd,
3707 bool is_cap = g_str_equal(cmd, "qmp_capabilities");
3709 if (is_cap && mon->qmp.in_command_mode) {
3710 error_set(errp, ERROR_CLASS_COMMAND_NOT_FOUND,
3711 "Capabilities negotiation is already complete, command "
3712 "'%s' ignored", cmd);
3715 if (!is_cap && !mon->qmp.in_command_mode) {
3716 error_set(errp, ERROR_CLASS_COMMAND_NOT_FOUND,
3717 "Expecting capabilities negotiation with "
3718 "'qmp_capabilities' before command '%s'", cmd);
3725 * Argument validation rules:
3727 * 1. The argument must exist in cmd_args qdict
3728 * 2. The argument type must be the expected one
3730 * Special case: If the argument doesn't exist in cmd_args and
3731 * the QMP_ACCEPT_UNKNOWNS flag is set, then the
3732 * checking is skipped for it.
3734 static void check_client_args_type(const QDict *client_args,
3735 const QDict *cmd_args, int flags,
3738 const QDictEntry *ent;
3740 for (ent = qdict_first(client_args); ent;ent = qdict_next(client_args,ent)){
3743 const QObject *client_arg = qdict_entry_value(ent);
3744 const char *client_arg_name = qdict_entry_key(ent);
3746 obj = qdict_get(cmd_args, client_arg_name);
3748 if (flags & QMP_ACCEPT_UNKNOWNS) {
3749 /* handler accepts unknowns */
3752 /* client arg doesn't exist */
3753 error_setg(errp, QERR_INVALID_PARAMETER, client_arg_name);
3757 arg_type = qobject_to_qstring(obj);
3758 assert(arg_type != NULL);
3760 /* check if argument's type is correct */
3761 switch (qstring_get_str(arg_type)[0]) {
3765 if (qobject_type(client_arg) != QTYPE_QSTRING) {
3766 error_setg(errp, QERR_INVALID_PARAMETER_TYPE,
3767 client_arg_name, "string");
3775 if (qobject_type(client_arg) != QTYPE_QINT) {
3776 error_setg(errp, QERR_INVALID_PARAMETER_TYPE,
3777 client_arg_name, "int");
3782 if (qobject_type(client_arg) != QTYPE_QINT &&
3783 qobject_type(client_arg) != QTYPE_QFLOAT) {
3784 error_setg(errp, QERR_INVALID_PARAMETER_TYPE,
3785 client_arg_name, "number");
3791 if (qobject_type(client_arg) != QTYPE_QBOOL) {
3792 error_setg(errp, QERR_INVALID_PARAMETER_TYPE,
3793 client_arg_name, "bool");
3798 assert(flags & QMP_ACCEPT_UNKNOWNS);
3801 /* Any QObject can be passed. */
3806 * These types are not supported by QMP and thus are not
3807 * handled here. Fall through.
3816 * - Check if the client has passed all mandatory args
3817 * - Set special flags for argument validation
3819 static void check_mandatory_args(const QDict *cmd_args,
3820 const QDict *client_args, int *flags,
3823 const QDictEntry *ent;
3825 for (ent = qdict_first(cmd_args); ent; ent = qdict_next(cmd_args, ent)) {
3826 const char *cmd_arg_name = qdict_entry_key(ent);
3827 QString *type = qobject_to_qstring(qdict_entry_value(ent));
3828 assert(type != NULL);
3830 if (qstring_get_str(type)[0] == 'O') {
3831 assert((*flags & QMP_ACCEPT_UNKNOWNS) == 0);
3832 *flags |= QMP_ACCEPT_UNKNOWNS;
3833 } else if (qstring_get_str(type)[0] != '-' &&
3834 qstring_get_str(type)[1] != '?' &&
3835 !qdict_haskey(client_args, cmd_arg_name)) {
3836 error_setg(errp, QERR_MISSING_PARAMETER, cmd_arg_name);
3842 static QDict *qdict_from_args_type(const char *args_type)
3846 QString *key, *type, *cur_qs;
3848 assert(args_type != NULL);
3850 qdict = qdict_new();
3852 if (args_type == NULL || args_type[0] == '\0') {
3853 /* no args, empty qdict */
3857 key = qstring_new();
3858 type = qstring_new();
3863 switch (args_type[i]) {
3866 qdict_put(qdict, qstring_get_str(key), type);
3868 if (args_type[i] == '\0') {
3871 type = qstring_new(); /* qdict has ref */
3872 cur_qs = key = qstring_new();
3878 qstring_append_chr(cur_qs, args_type[i]);
3888 * Client argument checking rules:
3890 * 1. Client must provide all mandatory arguments
3891 * 2. Each argument provided by the client must be expected
3892 * 3. Each argument provided by the client must have the type expected
3895 static void qmp_check_client_args(const mon_cmd_t *cmd, QDict *client_args,
3902 cmd_args = qdict_from_args_type(cmd->args_type);
3905 check_mandatory_args(cmd_args, client_args, &flags, &err);
3910 check_client_args_type(client_args, cmd_args, flags, &err);
3913 error_propagate(errp, err);
3918 * Input object checking rules
3920 * 1. Input object must be a dict
3921 * 2. The "execute" key must exist
3922 * 3. The "execute" key must be a string
3923 * 4. If the "arguments" key exists, it must be a dict
3924 * 5. If the "id" key exists, it can be anything (ie. json-value)
3925 * 6. Any argument not listed above is considered invalid
3927 static QDict *qmp_check_input_obj(QObject *input_obj, Error **errp)
3929 const QDictEntry *ent;
3930 int has_exec_key = 0;
3933 if (qobject_type(input_obj) != QTYPE_QDICT) {
3934 error_setg(errp, QERR_QMP_BAD_INPUT_OBJECT, "object");
3938 input_dict = qobject_to_qdict(input_obj);
3940 for (ent = qdict_first(input_dict); ent; ent = qdict_next(input_dict, ent)){
3941 const char *arg_name = qdict_entry_key(ent);
3942 const QObject *arg_obj = qdict_entry_value(ent);
3944 if (!strcmp(arg_name, "execute")) {
3945 if (qobject_type(arg_obj) != QTYPE_QSTRING) {
3946 error_setg(errp, QERR_QMP_BAD_INPUT_OBJECT_MEMBER,
3947 "execute", "string");
3951 } else if (!strcmp(arg_name, "arguments")) {
3952 if (qobject_type(arg_obj) != QTYPE_QDICT) {
3953 error_setg(errp, QERR_QMP_BAD_INPUT_OBJECT_MEMBER,
3954 "arguments", "object");
3957 } else if (!strcmp(arg_name, "id")) {
3958 /* Any string is acceptable as "id", so nothing to check */
3960 error_setg(errp, QERR_QMP_EXTRA_MEMBER, arg_name);
3965 if (!has_exec_key) {
3966 error_setg(errp, QERR_QMP_BAD_INPUT_OBJECT, "execute");
3973 static void handle_qmp_command(JSONMessageParser *parser, GQueue *tokens)
3975 Error *local_err = NULL;
3976 QObject *obj, *data;
3977 QDict *input, *args;
3978 const mon_cmd_t *cmd;
3980 const char *cmd_name;
3981 Monitor *mon = cur_mon;
3983 args = input = NULL;
3986 obj = json_parser_parse(tokens, NULL);
3988 // FIXME: should be triggered in json_parser_parse()
3989 error_setg(&local_err, QERR_JSON_PARSING);
3993 input = qmp_check_input_obj(obj, &local_err);
3995 qobject_decref(obj);
3999 mon->qmp.id = qdict_get(input, "id");
4000 qobject_incref(mon->qmp.id);
4002 cmd_name = qdict_get_str(input, "execute");
4003 trace_handle_qmp_command(mon, cmd_name);
4004 cmd = qmp_find_cmd(cmd_name);
4005 qcmd = qmp_find_command(cmd_name);
4006 if (!qcmd || !cmd) {
4007 error_set(&local_err, ERROR_CLASS_COMMAND_NOT_FOUND,
4008 "The command %s has not been found", cmd_name);
4011 if (invalid_qmp_mode(mon, cmd_name, &local_err)) {
4015 obj = qdict_get(input, "arguments");
4019 args = qobject_to_qdict(obj);
4023 qmp_check_client_args(cmd, args, &local_err);
4028 qcmd->fn(args, &data, &local_err);
4031 monitor_protocol_emitter(mon, data, local_err);
4032 qobject_decref(data);
4033 error_free(local_err);
4038 static void monitor_qmp_read(void *opaque, const uint8_t *buf, int size)
4040 Monitor *old_mon = cur_mon;
4044 json_message_parser_feed(&cur_mon->qmp.parser, (const char *) buf, size);
4049 static void monitor_read(void *opaque, const uint8_t *buf, int size)
4051 Monitor *old_mon = cur_mon;
4057 for (i = 0; i < size; i++)
4058 readline_handle_byte(cur_mon->rs, buf[i]);
4060 if (size == 0 || buf[size - 1] != 0)
4061 monitor_printf(cur_mon, "corrupted command\n");
4063 handle_hmp_command(cur_mon, (char *)buf);
4069 static void monitor_command_cb(void *opaque, const char *cmdline,
4070 void *readline_opaque)
4072 Monitor *mon = opaque;
4074 monitor_suspend(mon);
4075 handle_hmp_command(mon, cmdline);
4076 monitor_resume(mon);
4079 int monitor_suspend(Monitor *mon)
4087 void monitor_resume(Monitor *mon)
4091 if (--mon->suspend_cnt == 0)
4092 readline_show_prompt(mon->rs);
4095 static QObject *get_qmp_greeting(void)
4097 QObject *ver = NULL;
4099 qmp_marshal_query_version(NULL, &ver, NULL);
4101 return qobject_from_jsonf("{'QMP': {'version': %p, 'capabilities': []}}",
4105 static void monitor_qmp_event(void *opaque, int event)
4108 Monitor *mon = opaque;
4111 case CHR_EVENT_OPENED:
4112 mon->qmp.in_command_mode = false;
4113 data = get_qmp_greeting();
4114 monitor_json_emitter(mon, data);
4115 qobject_decref(data);
4118 case CHR_EVENT_CLOSED:
4119 json_message_parser_destroy(&mon->qmp.parser);
4120 json_message_parser_init(&mon->qmp.parser, handle_qmp_command);
4122 monitor_fdsets_cleanup();
4127 static void monitor_event(void *opaque, int event)
4129 Monitor *mon = opaque;
4132 case CHR_EVENT_MUX_IN:
4133 qemu_mutex_lock(&mon->out_lock);
4135 qemu_mutex_unlock(&mon->out_lock);
4136 if (mon->reset_seen) {
4137 readline_restart(mon->rs);
4138 monitor_resume(mon);
4141 mon->suspend_cnt = 0;
4145 case CHR_EVENT_MUX_OUT:
4146 if (mon->reset_seen) {
4147 if (mon->suspend_cnt == 0) {
4148 monitor_printf(mon, "\n");
4151 monitor_suspend(mon);
4155 qemu_mutex_lock(&mon->out_lock);
4157 qemu_mutex_unlock(&mon->out_lock);
4160 case CHR_EVENT_OPENED:
4161 monitor_printf(mon, "QEMU %s monitor - type 'help' for more "
4162 "information\n", QEMU_VERSION);
4163 if (!mon->mux_out) {
4164 readline_restart(mon->rs);
4165 readline_show_prompt(mon->rs);
4167 mon->reset_seen = 1;
4171 case CHR_EVENT_CLOSED:
4173 monitor_fdsets_cleanup();
4179 compare_mon_cmd(const void *a, const void *b)
4181 return strcmp(((const mon_cmd_t *)a)->name,
4182 ((const mon_cmd_t *)b)->name);
4185 static void sortcmdlist(void)
4188 int elem_size = sizeof(mon_cmd_t);
4190 array_num = sizeof(mon_cmds)/elem_size-1;
4191 qsort((void *)mon_cmds, array_num, elem_size, compare_mon_cmd);
4193 array_num = sizeof(info_cmds)/elem_size-1;
4194 qsort((void *)info_cmds, array_num, elem_size, compare_mon_cmd);
4197 /* These functions just adapt the readline interface in a typesafe way. We
4198 * could cast function pointers but that discards compiler checks.
4200 static void GCC_FMT_ATTR(2, 3) monitor_readline_printf(void *opaque,
4201 const char *fmt, ...)
4205 monitor_vprintf(opaque, fmt, ap);
4209 static void monitor_readline_flush(void *opaque)
4211 monitor_flush(opaque);
4214 static void __attribute__((constructor)) monitor_lock_init(void)
4216 qemu_mutex_init(&monitor_lock);
4219 void monitor_init(CharDriverState *chr, int flags)
4221 static int is_first_init = 1;
4224 if (is_first_init) {
4225 monitor_qapi_event_init();
4230 mon = g_malloc(sizeof(*mon));
4231 monitor_data_init(mon);
4235 if (flags & MONITOR_USE_READLINE) {
4236 mon->rs = readline_init(monitor_readline_printf,
4237 monitor_readline_flush,
4239 monitor_find_completion);
4240 monitor_read_command(mon, 0);
4243 if (monitor_is_qmp(mon)) {
4244 qemu_chr_add_handlers(chr, monitor_can_read, monitor_qmp_read,
4245 monitor_qmp_event, mon);
4246 qemu_chr_fe_set_echo(chr, true);
4247 json_message_parser_init(&mon->qmp.parser, handle_qmp_command);
4249 qemu_chr_add_handlers(chr, monitor_can_read, monitor_read,
4250 monitor_event, mon);
4253 qemu_mutex_lock(&monitor_lock);
4254 QLIST_INSERT_HEAD(&mon_list, mon, entry);
4255 qemu_mutex_unlock(&monitor_lock);
4258 void monitor_cleanup(void)
4260 Monitor *mon, *next;
4262 qemu_mutex_lock(&monitor_lock);
4263 QLIST_FOREACH_SAFE(mon, &mon_list, entry, next) {
4264 QLIST_REMOVE(mon, entry);
4265 monitor_data_destroy(mon);
4268 qemu_mutex_unlock(&monitor_lock);
4271 static void bdrv_password_cb(void *opaque, const char *password,
4272 void *readline_opaque)
4274 Monitor *mon = opaque;
4275 BlockDriverState *bs = readline_opaque;
4277 Error *local_err = NULL;
4279 bdrv_add_key(bs, password, &local_err);
4281 error_report_err(local_err);
4284 if (mon->password_completion_cb)
4285 mon->password_completion_cb(mon->password_opaque, ret);
4287 monitor_read_command(mon, 1);
4290 int monitor_read_bdrv_key_start(Monitor *mon, BlockDriverState *bs,
4291 BlockCompletionFunc *completion_cb,
4296 monitor_printf(mon, "%s (%s) is encrypted.\n", bdrv_get_device_name(bs),
4297 bdrv_get_encrypted_filename(bs));
4299 mon->password_completion_cb = completion_cb;
4300 mon->password_opaque = opaque;
4302 err = monitor_read_password(mon, bdrv_password_cb, bs);
4304 if (err && completion_cb)
4305 completion_cb(opaque, err);
4310 int monitor_read_block_device_key(Monitor *mon, const char *device,
4311 BlockCompletionFunc *completion_cb,
4317 blk = blk_by_name(device);
4319 monitor_printf(mon, "Device not found %s\n", device);
4323 monitor_printf(mon, "Device '%s' has no medium\n", device);
4327 bdrv_add_key(blk_bs(blk), NULL, &err);
4330 return monitor_read_bdrv_key_start(mon, blk_bs(blk), completion_cb, opaque);
4333 if (completion_cb) {
4334 completion_cb(opaque, 0);
4339 QemuOptsList qemu_mon_opts = {
4341 .implied_opt_name = "chardev",
4342 .head = QTAILQ_HEAD_INITIALIZER(qemu_mon_opts.head),
4346 .type = QEMU_OPT_STRING,
4349 .type = QEMU_OPT_STRING,
4352 .type = QEMU_OPT_BOOL,
4355 .type = QEMU_OPT_BOOL,
4357 { /* end of list */ }
4362 void qmp_rtc_reset_reinjection(Error **errp)
4364 error_setg(errp, QERR_FEATURE_DISABLED, "rtc-reset-reinjection");
4368 #ifndef TARGET_S390X
4369 void qmp_dump_skeys(const char *filename, Error **errp)
4371 error_setg(errp, QERR_FEATURE_DISABLED, "dump-skeys");
4376 GICCapabilityList *qmp_query_gic_capabilities(Error **errp)
4378 error_setg(errp, QERR_FEATURE_DISABLED, "query-gic-capabilities");
4383 HotpluggableCPUList *qmp_query_hotpluggable_cpus(Error **errp)
4385 MachineState *ms = MACHINE(qdev_get_machine());
4386 MachineClass *mc = MACHINE_GET_CLASS(ms);
4388 if (!mc->query_hotpluggable_cpus) {
4389 error_setg(errp, QERR_FEATURE_DISABLED, "query-hotpluggable-cpus");
4393 return mc->query_hotpluggable_cpus(ms);