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;
134 void (*cmd)(Monitor *mon, const QDict *qdict);
135 void (*cmd_new)(QDict *params, QObject **ret_data, Error **errp);
137 /* @sub_table is a list of 2nd level of commands. If it do not exist,
138 * mhandler should be used. If it exist, sub_table[?].mhandler should be
139 * used, and mhandler of 1st level plays the role of help function.
141 struct mon_cmd_t *sub_table;
142 void (*command_completion)(ReadLineState *rs, int nb_args, const char *str);
145 /* file descriptors passed via SCM_RIGHTS */
146 typedef struct mon_fd_t mon_fd_t;
150 QLIST_ENTRY(mon_fd_t) next;
153 /* file descriptor associated with a file descriptor set */
154 typedef struct MonFdsetFd MonFdsetFd;
159 QLIST_ENTRY(MonFdsetFd) next;
162 /* file descriptor set containing fds passed via SCM_RIGHTS */
163 typedef struct MonFdset MonFdset;
166 QLIST_HEAD(, MonFdsetFd) fds;
167 QLIST_HEAD(, MonFdsetFd) dup_fds;
168 QLIST_ENTRY(MonFdset) next;
173 JSONMessageParser parser;
175 * When a client connects, we're in capabilities negotiation mode.
176 * When command qmp_capabilities succeeds, we go into command
179 bool in_command_mode; /* are we in command mode? */
183 * To prevent flooding clients, events can be throttled. The
184 * throttling is calculated globally, rather than per-Monitor
187 typedef struct MonitorQAPIEventState {
188 QAPIEvent event; /* Throttling state for this event type and... */
189 QDict *data; /* ... data, see qapi_event_throttle_equal() */
190 QEMUTimer *timer; /* Timer for handling delayed events */
191 QDict *qdict; /* Delayed event (if any) */
192 } MonitorQAPIEventState;
195 int64_t rate; /* Minimum time (in ns) between two events */
196 } MonitorQAPIEventConf;
199 CharDriverState *chr;
209 /* Read under either BQL or out_lock, written with BQL+out_lock. */
215 BlockCompletionFunc *password_completion_cb;
216 void *password_opaque;
217 mon_cmd_t *cmd_table;
218 QLIST_HEAD(,mon_fd_t) fds;
219 QLIST_ENTRY(Monitor) entry;
222 /* QMP checker flags */
223 #define QMP_ACCEPT_UNKNOWNS 1
225 /* Protects mon_list, monitor_event_state. */
226 static QemuMutex monitor_lock;
228 static QLIST_HEAD(mon_list, Monitor) mon_list;
229 static QLIST_HEAD(mon_fdsets, MonFdset) mon_fdsets;
230 static int mon_refcount;
232 static mon_cmd_t mon_cmds[];
233 static mon_cmd_t info_cmds[];
235 static const mon_cmd_t qmp_cmds[];
239 static QEMUClockType event_clock_type = QEMU_CLOCK_REALTIME;
241 static void monitor_command_cb(void *opaque, const char *cmdline,
242 void *readline_opaque);
245 * Is @mon a QMP monitor?
247 static inline bool monitor_is_qmp(const Monitor *mon)
249 return (mon->flags & MONITOR_USE_CONTROL);
253 * Is the current monitor, if any, a QMP monitor?
255 bool monitor_cur_is_qmp(void)
257 return cur_mon && monitor_is_qmp(cur_mon);
260 void monitor_read_command(Monitor *mon, int show_prompt)
265 readline_start(mon->rs, "(qemu) ", 0, monitor_command_cb, NULL);
267 readline_show_prompt(mon->rs);
270 int monitor_read_password(Monitor *mon, ReadLineFunc *readline_func,
274 readline_start(mon->rs, "Password: ", 1, readline_func, opaque);
275 /* prompt is printed on return from the command handler */
278 monitor_printf(mon, "terminal does not support password prompting\n");
283 static void monitor_flush_locked(Monitor *mon);
285 static gboolean monitor_unblocked(GIOChannel *chan, GIOCondition cond,
288 Monitor *mon = opaque;
290 qemu_mutex_lock(&mon->out_lock);
292 monitor_flush_locked(mon);
293 qemu_mutex_unlock(&mon->out_lock);
297 /* Called with mon->out_lock held. */
298 static void monitor_flush_locked(Monitor *mon)
304 if (mon->skip_flush) {
308 buf = qstring_get_str(mon->outbuf);
309 len = qstring_get_length(mon->outbuf);
311 if (len && !mon->mux_out) {
312 rc = qemu_chr_fe_write(mon->chr, (const uint8_t *) buf, len);
313 if ((rc < 0 && errno != EAGAIN) || (rc == len)) {
314 /* all flushed or error */
315 QDECREF(mon->outbuf);
316 mon->outbuf = qstring_new();
321 QString *tmp = qstring_from_str(buf + rc);
322 QDECREF(mon->outbuf);
325 if (mon->out_watch == 0) {
326 mon->out_watch = qemu_chr_fe_add_watch(mon->chr, G_IO_OUT|G_IO_HUP,
327 monitor_unblocked, mon);
332 void monitor_flush(Monitor *mon)
334 qemu_mutex_lock(&mon->out_lock);
335 monitor_flush_locked(mon);
336 qemu_mutex_unlock(&mon->out_lock);
339 /* flush at every end of line */
340 static void monitor_puts(Monitor *mon, const char *str)
344 qemu_mutex_lock(&mon->out_lock);
350 qstring_append_chr(mon->outbuf, '\r');
352 qstring_append_chr(mon->outbuf, c);
354 monitor_flush_locked(mon);
357 qemu_mutex_unlock(&mon->out_lock);
360 void monitor_vprintf(Monitor *mon, const char *fmt, va_list ap)
367 if (monitor_is_qmp(mon)) {
371 buf = g_strdup_vprintf(fmt, ap);
372 monitor_puts(mon, buf);
376 void monitor_printf(Monitor *mon, const char *fmt, ...)
380 monitor_vprintf(mon, fmt, ap);
384 int monitor_fprintf(FILE *stream, const char *fmt, ...)
388 monitor_vprintf((Monitor *)stream, fmt, ap);
393 static void monitor_json_emitter(Monitor *mon, const QObject *data)
397 json = mon->flags & MONITOR_USE_PRETTY ? qobject_to_json_pretty(data) :
398 qobject_to_json(data);
399 assert(json != NULL);
401 qstring_append_chr(json, '\n');
402 monitor_puts(mon, qstring_get_str(json));
407 static QDict *build_qmp_error_dict(Error *err)
411 obj = qobject_from_jsonf("{ 'error': { 'class': %s, 'desc': %s } }",
412 QapiErrorClass_lookup[error_get_class(err)],
413 error_get_pretty(err));
415 return qobject_to_qdict(obj);
418 static void monitor_protocol_emitter(Monitor *mon, QObject *data,
423 trace_monitor_protocol_emitter(mon);
426 /* success response */
429 qobject_incref(data);
430 qdict_put_obj(qmp, "return", data);
432 /* return an empty QDict by default */
433 qdict_put(qmp, "return", qdict_new());
437 qmp = build_qmp_error_dict(err);
441 qdict_put_obj(qmp, "id", mon->qmp.id);
445 monitor_json_emitter(mon, QOBJECT(qmp));
450 static MonitorQAPIEventConf monitor_qapi_event_conf[QAPI_EVENT__MAX] = {
451 /* Limit guest-triggerable events to 1 per second */
452 [QAPI_EVENT_RTC_CHANGE] = { 1000 * SCALE_MS },
453 [QAPI_EVENT_WATCHDOG] = { 1000 * SCALE_MS },
454 [QAPI_EVENT_BALLOON_CHANGE] = { 1000 * SCALE_MS },
455 [QAPI_EVENT_QUORUM_REPORT_BAD] = { 1000 * SCALE_MS },
456 [QAPI_EVENT_QUORUM_FAILURE] = { 1000 * SCALE_MS },
457 [QAPI_EVENT_VSERPORT_CHANGE] = { 1000 * SCALE_MS },
460 GHashTable *monitor_qapi_event_state;
463 * Emits the event to every monitor instance, @event is only used for trace
464 * Called with monitor_lock held.
466 static void monitor_qapi_event_emit(QAPIEvent event, QDict *qdict)
470 trace_monitor_protocol_event_emit(event, qdict);
471 QLIST_FOREACH(mon, &mon_list, entry) {
472 if (monitor_is_qmp(mon) && mon->qmp.in_command_mode) {
473 monitor_json_emitter(mon, QOBJECT(qdict));
478 static void monitor_qapi_event_handler(void *opaque);
481 * Queue a new event for emission to Monitor instances,
482 * applying any rate limiting if required.
485 monitor_qapi_event_queue(QAPIEvent event, QDict *qdict, Error **errp)
487 MonitorQAPIEventConf *evconf;
488 MonitorQAPIEventState *evstate;
490 assert(event < QAPI_EVENT__MAX);
491 evconf = &monitor_qapi_event_conf[event];
492 trace_monitor_protocol_event_queue(event, qdict, evconf->rate);
494 qemu_mutex_lock(&monitor_lock);
497 /* Unthrottled event */
498 monitor_qapi_event_emit(event, qdict);
500 QDict *data = qobject_to_qdict(qdict_get(qdict, "data"));
501 MonitorQAPIEventState key = { .event = event, .data = data };
503 evstate = g_hash_table_lookup(monitor_qapi_event_state, &key);
504 assert(!evstate || timer_pending(evstate->timer));
508 * Timer is pending for (at least) evconf->rate ns after
509 * last send. Store event for sending when timer fires,
510 * replacing a prior stored event if any.
512 QDECREF(evstate->qdict);
513 evstate->qdict = qdict;
514 QINCREF(evstate->qdict);
517 * Last send was (at least) evconf->rate ns ago.
518 * Send immediately, and arm the timer to call
519 * monitor_qapi_event_handler() in evconf->rate ns. Any
520 * events arriving before then will be delayed until then.
522 int64_t now = qemu_clock_get_ns(event_clock_type);
524 monitor_qapi_event_emit(event, qdict);
526 evstate = g_new(MonitorQAPIEventState, 1);
527 evstate->event = event;
528 evstate->data = data;
529 QINCREF(evstate->data);
530 evstate->qdict = NULL;
531 evstate->timer = timer_new_ns(event_clock_type,
532 monitor_qapi_event_handler,
534 g_hash_table_add(monitor_qapi_event_state, evstate);
535 timer_mod_ns(evstate->timer, now + evconf->rate);
539 qemu_mutex_unlock(&monitor_lock);
543 * This function runs evconf->rate ns after sending a throttled
545 * If another event has since been stored, send it.
547 static void monitor_qapi_event_handler(void *opaque)
549 MonitorQAPIEventState *evstate = opaque;
550 MonitorQAPIEventConf *evconf = &monitor_qapi_event_conf[evstate->event];
552 trace_monitor_protocol_event_handler(evstate->event, evstate->qdict);
553 qemu_mutex_lock(&monitor_lock);
555 if (evstate->qdict) {
556 int64_t now = qemu_clock_get_ns(event_clock_type);
558 monitor_qapi_event_emit(evstate->event, evstate->qdict);
559 QDECREF(evstate->qdict);
560 evstate->qdict = NULL;
561 timer_mod_ns(evstate->timer, now + evconf->rate);
563 g_hash_table_remove(monitor_qapi_event_state, evstate);
564 QDECREF(evstate->data);
565 timer_free(evstate->timer);
569 qemu_mutex_unlock(&monitor_lock);
572 static unsigned int qapi_event_throttle_hash(const void *key)
574 const MonitorQAPIEventState *evstate = key;
575 unsigned int hash = evstate->event * 255;
577 if (evstate->event == QAPI_EVENT_VSERPORT_CHANGE) {
578 hash += g_str_hash(qdict_get_str(evstate->data, "id"));
581 if (evstate->event == QAPI_EVENT_QUORUM_REPORT_BAD) {
582 hash += g_str_hash(qdict_get_str(evstate->data, "node-name"));
588 static gboolean qapi_event_throttle_equal(const void *a, const void *b)
590 const MonitorQAPIEventState *eva = a;
591 const MonitorQAPIEventState *evb = b;
593 if (eva->event != evb->event) {
597 if (eva->event == QAPI_EVENT_VSERPORT_CHANGE) {
598 return !strcmp(qdict_get_str(eva->data, "id"),
599 qdict_get_str(evb->data, "id"));
602 if (eva->event == QAPI_EVENT_QUORUM_REPORT_BAD) {
603 return !strcmp(qdict_get_str(eva->data, "node-name"),
604 qdict_get_str(evb->data, "node-name"));
610 static void monitor_qapi_event_init(void)
612 if (qtest_enabled()) {
613 event_clock_type = QEMU_CLOCK_VIRTUAL;
616 monitor_qapi_event_state = g_hash_table_new(qapi_event_throttle_hash,
617 qapi_event_throttle_equal);
618 qmp_event_set_func_emit(monitor_qapi_event_queue);
621 void qmp_qmp_capabilities(Error **errp)
623 cur_mon->qmp.in_command_mode = true;
626 static void handle_hmp_command(Monitor *mon, const char *cmdline);
628 static void monitor_data_init(Monitor *mon)
630 memset(mon, 0, sizeof(Monitor));
631 qemu_mutex_init(&mon->out_lock);
632 mon->outbuf = qstring_new();
633 /* Use *mon_cmds by default. */
634 mon->cmd_table = mon_cmds;
637 static void monitor_data_destroy(Monitor *mon)
640 qemu_chr_add_handlers(mon->chr, NULL, NULL, NULL, NULL);
642 if (monitor_is_qmp(mon)) {
643 json_message_parser_destroy(&mon->qmp.parser);
646 QDECREF(mon->outbuf);
647 qemu_mutex_destroy(&mon->out_lock);
650 char *qmp_human_monitor_command(const char *command_line, bool has_cpu_index,
651 int64_t cpu_index, Error **errp)
654 Monitor *old_mon, hmp;
656 monitor_data_init(&hmp);
657 hmp.skip_flush = true;
663 int ret = monitor_set_cpu(cpu_index);
666 error_setg(errp, QERR_INVALID_PARAMETER_VALUE, "cpu-index",
672 handle_hmp_command(&hmp, command_line);
675 qemu_mutex_lock(&hmp.out_lock);
676 if (qstring_get_length(hmp.outbuf) > 0) {
677 output = g_strdup(qstring_get_str(hmp.outbuf));
679 output = g_strdup("");
681 qemu_mutex_unlock(&hmp.out_lock);
684 monitor_data_destroy(&hmp);
688 static int compare_cmd(const char *name, const char *list)
690 const char *p, *pstart;
698 p = pstart + strlen(pstart);
699 if ((p - pstart) == len && !memcmp(pstart, name, len))
708 static int get_str(char *buf, int buf_size, const char **pp)
716 while (qemu_isspace(*p)) {
727 while (*p != '\0' && *p != '\"') {
743 printf("unsupported escape code: '\\%c'\n", c);
746 if ((q - buf) < buf_size - 1) {
750 if ((q - buf) < buf_size - 1) {
757 printf("unterminated string\n");
762 while (*p != '\0' && !qemu_isspace(*p)) {
763 if ((q - buf) < buf_size - 1) {
776 static void free_cmdline_args(char **args, int nb_args)
780 assert(nb_args <= MAX_ARGS);
782 for (i = 0; i < nb_args; i++) {
789 * Parse the command line to get valid args.
790 * @cmdline: command line to be parsed.
791 * @pnb_args: location to store the number of args, must NOT be NULL.
792 * @args: location to store the args, which should be freed by caller, must
795 * Returns 0 on success, negative on failure.
797 * NOTE: this parser is an approximate form of the real command parser. Number
798 * of args have a limit of MAX_ARGS. If cmdline contains more, it will
799 * return with failure.
801 static int parse_cmdline(const char *cmdline,
802 int *pnb_args, char **args)
811 while (qemu_isspace(*p)) {
817 if (nb_args >= MAX_ARGS) {
820 ret = get_str(buf, sizeof(buf), &p);
824 args[nb_args] = g_strdup(buf);
831 free_cmdline_args(args, nb_args);
835 static void help_cmd_dump_one(Monitor *mon,
836 const mon_cmd_t *cmd,
842 for (i = 0; i < prefix_args_nb; i++) {
843 monitor_printf(mon, "%s ", prefix_args[i]);
845 monitor_printf(mon, "%s %s -- %s\n", cmd->name, cmd->params, cmd->help);
848 /* @args[@arg_index] is the valid command need to find in @cmds */
849 static void help_cmd_dump(Monitor *mon, const mon_cmd_t *cmds,
850 char **args, int nb_args, int arg_index)
852 const mon_cmd_t *cmd;
854 /* No valid arg need to compare with, dump all in *cmds */
855 if (arg_index >= nb_args) {
856 for (cmd = cmds; cmd->name != NULL; cmd++) {
857 help_cmd_dump_one(mon, cmd, args, arg_index);
862 /* Find one entry to dump */
863 for (cmd = cmds; cmd->name != NULL; cmd++) {
864 if (compare_cmd(args[arg_index], cmd->name)) {
865 if (cmd->sub_table) {
866 /* continue with next arg */
867 help_cmd_dump(mon, cmd->sub_table,
868 args, nb_args, arg_index + 1);
870 help_cmd_dump_one(mon, cmd, args, arg_index);
877 static void help_cmd(Monitor *mon, const char *name)
879 char *args[MAX_ARGS];
882 /* 1. parse user input */
884 /* special case for log, directly dump and return */
885 if (!strcmp(name, "log")) {
886 const QEMULogItem *item;
887 monitor_printf(mon, "Log items (comma separated):\n");
888 monitor_printf(mon, "%-10s %s\n", "none", "remove all logs");
889 for (item = qemu_log_items; item->mask != 0; item++) {
890 monitor_printf(mon, "%-10s %s\n", item->name, item->help);
895 if (parse_cmdline(name, &nb_args, args) < 0) {
900 /* 2. dump the contents according to parsed args */
901 help_cmd_dump(mon, mon->cmd_table, args, nb_args, 0);
903 free_cmdline_args(args, nb_args);
906 static void do_help_cmd(Monitor *mon, const QDict *qdict)
908 help_cmd(mon, qdict_get_try_str(qdict, "name"));
911 static void hmp_trace_event(Monitor *mon, const QDict *qdict)
913 const char *tp_name = qdict_get_str(qdict, "name");
914 bool new_state = qdict_get_bool(qdict, "option");
915 bool has_vcpu = qdict_haskey(qdict, "vcpu");
916 int vcpu = qdict_get_try_int(qdict, "vcpu", 0);
917 Error *local_err = NULL;
920 monitor_printf(mon, "argument vcpu must be positive");
924 qmp_trace_event_set_state(tp_name, new_state, true, true, has_vcpu, vcpu, &local_err);
926 error_report_err(local_err);
930 #ifdef CONFIG_TRACE_SIMPLE
931 static void hmp_trace_file(Monitor *mon, const QDict *qdict)
933 const char *op = qdict_get_try_str(qdict, "op");
934 const char *arg = qdict_get_try_str(qdict, "arg");
937 st_print_trace_file_status((FILE *)mon, &monitor_fprintf);
938 } else if (!strcmp(op, "on")) {
939 st_set_trace_file_enabled(true);
940 } else if (!strcmp(op, "off")) {
941 st_set_trace_file_enabled(false);
942 } else if (!strcmp(op, "flush")) {
943 st_flush_trace_buffer();
944 } else if (!strcmp(op, "set")) {
946 st_set_trace_file(arg);
949 monitor_printf(mon, "unexpected argument \"%s\"\n", op);
950 help_cmd(mon, "trace-file");
955 static void hmp_info_help(Monitor *mon, const QDict *qdict)
957 help_cmd(mon, "info");
960 static void query_commands_cb(QmpCommand *cmd, void *opaque)
962 CommandInfoList *info, **list = opaque;
968 info = g_malloc0(sizeof(*info));
969 info->value = g_malloc0(sizeof(*info->value));
970 info->value->name = g_strdup(cmd->name);
975 CommandInfoList *qmp_query_commands(Error **errp)
977 CommandInfoList *list = NULL;
979 qmp_for_each_command(query_commands_cb, &list);
984 EventInfoList *qmp_query_events(Error **errp)
986 EventInfoList *info, *ev_list = NULL;
989 for (e = 0 ; e < QAPI_EVENT__MAX ; e++) {
990 const char *event_name = QAPIEvent_lookup[e];
991 assert(event_name != NULL);
992 info = g_malloc0(sizeof(*info));
993 info->value = g_malloc0(sizeof(*info->value));
994 info->value->name = g_strdup(event_name);
996 info->next = ev_list;
1004 * Minor hack: generated marshalling suppressed for this command
1005 * ('gen': false in the schema) so we can parse the JSON string
1006 * directly into QObject instead of first parsing it with
1007 * visit_type_SchemaInfoList() into a SchemaInfoList, then marshal it
1008 * to QObject with generated output marshallers, every time. Instead,
1009 * we do it in test-qmp-input-visitor.c, just to make sure
1010 * qapi-introspect.py's output actually conforms to the schema.
1012 static void qmp_query_qmp_schema(QDict *qdict, QObject **ret_data,
1015 *ret_data = qobject_from_json(qmp_schema_json);
1019 * We used to define commands in qmp-commands.hx in addition to the
1020 * QAPI schema. This permitted defining some of them only in certain
1021 * configurations. query-commands has always reflected that (good,
1022 * because it lets QMP clients figure out what's actually available),
1023 * while query-qmp-schema never did (not so good). This function is a
1024 * hack to keep the configuration-specific commands defined exactly as
1025 * before, even though qmp-commands.hx is gone.
1027 * FIXME Educate the QAPI schema on configuration-specific commands,
1028 * and drop this hack.
1030 static void qmp_unregister_commands_hack(void)
1032 #ifndef CONFIG_SPICE
1033 qmp_unregister_command("query-spice");
1036 qmp_unregister_command("rtc-reset-reinjection");
1038 #ifndef TARGET_S390X
1039 qmp_unregister_command("dump-skeys");
1042 qmp_unregister_command("query-gic-capabilities");
1046 static void qmp_init_marshal(void)
1048 qmp_register_command("query-qmp-schema", qmp_query_qmp_schema,
1050 qmp_register_command("device_add", qmp_device_add,
1052 qmp_register_command("netdev_add", qmp_netdev_add,
1055 /* call it after the rest of qapi_init() */
1056 register_module_init(qmp_unregister_commands_hack, MODULE_INIT_QAPI);
1059 qapi_init(qmp_init_marshal);
1061 /* set the current CPU defined by the user */
1062 int monitor_set_cpu(int cpu_index)
1066 cpu = qemu_get_cpu(cpu_index);
1070 cur_mon->mon_cpu = cpu;
1074 CPUState *mon_get_cpu(void)
1076 if (!cur_mon->mon_cpu) {
1079 cpu_synchronize_state(cur_mon->mon_cpu);
1080 return cur_mon->mon_cpu;
1083 CPUArchState *mon_get_cpu_env(void)
1085 return mon_get_cpu()->env_ptr;
1088 int monitor_get_cpu_index(void)
1090 return mon_get_cpu()->cpu_index;
1093 static void hmp_info_registers(Monitor *mon, const QDict *qdict)
1095 cpu_dump_state(mon_get_cpu(), (FILE *)mon, monitor_fprintf, CPU_DUMP_FPU);
1098 static void hmp_info_jit(Monitor *mon, const QDict *qdict)
1100 dump_exec_info((FILE *)mon, monitor_fprintf);
1101 dump_drift_info((FILE *)mon, monitor_fprintf);
1104 static void hmp_info_opcount(Monitor *mon, const QDict *qdict)
1106 dump_opcount_info((FILE *)mon, monitor_fprintf);
1109 static void hmp_info_history(Monitor *mon, const QDict *qdict)
1118 str = readline_get_history(mon->rs, i);
1121 monitor_printf(mon, "%d: '%s'\n", i, str);
1126 static void hmp_info_cpustats(Monitor *mon, const QDict *qdict)
1128 cpu_dump_statistics(mon_get_cpu(), (FILE *)mon, &monitor_fprintf, 0);
1131 static void hmp_info_trace_events(Monitor *mon, const QDict *qdict)
1133 const char *name = qdict_get_try_str(qdict, "name");
1134 bool has_vcpu = qdict_haskey(qdict, "vcpu");
1135 int vcpu = qdict_get_try_int(qdict, "vcpu", 0);
1136 TraceEventInfoList *events;
1137 TraceEventInfoList *elem;
1138 Error *local_err = NULL;
1144 monitor_printf(mon, "argument vcpu must be positive");
1148 events = qmp_trace_event_get_state(name, has_vcpu, vcpu, &local_err);
1150 error_report_err(local_err);
1154 for (elem = events; elem != NULL; elem = elem->next) {
1155 monitor_printf(mon, "%s : state %u\n",
1157 elem->value->state == TRACE_EVENT_STATE_ENABLED ? 1 : 0);
1159 qapi_free_TraceEventInfoList(events);
1162 void qmp_client_migrate_info(const char *protocol, const char *hostname,
1163 bool has_port, int64_t port,
1164 bool has_tls_port, int64_t tls_port,
1165 bool has_cert_subject, const char *cert_subject,
1168 if (strcmp(protocol, "spice") == 0) {
1169 if (!qemu_using_spice(errp)) {
1173 if (!has_port && !has_tls_port) {
1174 error_setg(errp, QERR_MISSING_PARAMETER, "port/tls-port");
1178 if (qemu_spice_migrate_info(hostname,
1179 has_port ? port : -1,
1180 has_tls_port ? tls_port : -1,
1182 error_setg(errp, QERR_UNDEFINED_ERROR);
1188 error_setg(errp, QERR_INVALID_PARAMETER_VALUE, "protocol", "spice");
1191 static void hmp_logfile(Monitor *mon, const QDict *qdict)
1195 qemu_set_log_filename(qdict_get_str(qdict, "filename"), &err);
1197 error_report_err(err);
1201 static void hmp_log(Monitor *mon, const QDict *qdict)
1204 const char *items = qdict_get_str(qdict, "items");
1206 if (!strcmp(items, "none")) {
1209 mask = qemu_str_to_log_mask(items);
1211 help_cmd(mon, "log");
1218 static void hmp_singlestep(Monitor *mon, const QDict *qdict)
1220 const char *option = qdict_get_try_str(qdict, "option");
1221 if (!option || !strcmp(option, "on")) {
1223 } else if (!strcmp(option, "off")) {
1226 monitor_printf(mon, "unexpected option %s\n", option);
1230 static void hmp_gdbserver(Monitor *mon, const QDict *qdict)
1232 const char *device = qdict_get_try_str(qdict, "device");
1234 device = "tcp::" DEFAULT_GDBSTUB_PORT;
1235 if (gdbserver_start(device) < 0) {
1236 monitor_printf(mon, "Could not open gdbserver on device '%s'\n",
1238 } else if (strcmp(device, "none") == 0) {
1239 monitor_printf(mon, "Disabled gdbserver\n");
1241 monitor_printf(mon, "Waiting for gdb connection on device '%s'\n",
1246 static void hmp_watchdog_action(Monitor *mon, const QDict *qdict)
1248 const char *action = qdict_get_str(qdict, "action");
1249 if (select_watchdog_action(action) == -1) {
1250 monitor_printf(mon, "Unknown watchdog action '%s'\n", action);
1254 static void monitor_printc(Monitor *mon, int c)
1256 monitor_printf(mon, "'");
1259 monitor_printf(mon, "\\'");
1262 monitor_printf(mon, "\\\\");
1265 monitor_printf(mon, "\\n");
1268 monitor_printf(mon, "\\r");
1271 if (c >= 32 && c <= 126) {
1272 monitor_printf(mon, "%c", c);
1274 monitor_printf(mon, "\\x%02x", c);
1278 monitor_printf(mon, "'");
1281 static void memory_dump(Monitor *mon, int count, int format, int wsize,
1282 hwaddr addr, int is_physical)
1284 int l, line_size, i, max_digits, len;
1288 if (format == 'i') {
1291 CPUArchState *env = mon_get_cpu_env();
1294 } else if (wsize == 4) {
1297 /* as default we use the current CS size */
1300 #ifdef TARGET_X86_64
1301 if ((env->efer & MSR_EFER_LMA) &&
1302 (env->segs[R_CS].flags & DESC_L_MASK))
1306 if (!(env->segs[R_CS].flags & DESC_B_MASK))
1312 CPUArchState *env = mon_get_cpu_env();
1313 flags = msr_le << 16;
1314 flags |= env->bfd_mach;
1316 monitor_disas(mon, mon_get_cpu(), addr, count, is_physical, flags);
1320 len = wsize * count;
1329 max_digits = (wsize * 8 + 2) / 3;
1333 max_digits = (wsize * 8) / 4;
1337 max_digits = (wsize * 8 * 10 + 32) / 33;
1346 monitor_printf(mon, TARGET_FMT_plx ":", addr);
1348 monitor_printf(mon, TARGET_FMT_lx ":", (target_ulong)addr);
1353 cpu_physical_memory_read(addr, buf, l);
1355 if (cpu_memory_rw_debug(mon_get_cpu(), addr, buf, l, 0) < 0) {
1356 monitor_printf(mon, " Cannot access memory\n");
1365 v = ldub_p(buf + i);
1368 v = lduw_p(buf + i);
1371 v = (uint32_t)ldl_p(buf + i);
1377 monitor_printf(mon, " ");
1380 monitor_printf(mon, "%#*" PRIo64, max_digits, v);
1383 monitor_printf(mon, "0x%0*" PRIx64, max_digits, v);
1386 monitor_printf(mon, "%*" PRIu64, max_digits, v);
1389 monitor_printf(mon, "%*" PRId64, max_digits, v);
1392 monitor_printc(mon, v);
1397 monitor_printf(mon, "\n");
1403 static void hmp_memory_dump(Monitor *mon, const QDict *qdict)
1405 int count = qdict_get_int(qdict, "count");
1406 int format = qdict_get_int(qdict, "format");
1407 int size = qdict_get_int(qdict, "size");
1408 target_long addr = qdict_get_int(qdict, "addr");
1410 memory_dump(mon, count, format, size, addr, 0);
1413 static void hmp_physical_memory_dump(Monitor *mon, const QDict *qdict)
1415 int count = qdict_get_int(qdict, "count");
1416 int format = qdict_get_int(qdict, "format");
1417 int size = qdict_get_int(qdict, "size");
1418 hwaddr addr = qdict_get_int(qdict, "addr");
1420 memory_dump(mon, count, format, size, addr, 1);
1423 static void do_print(Monitor *mon, const QDict *qdict)
1425 int format = qdict_get_int(qdict, "format");
1426 hwaddr val = qdict_get_int(qdict, "val");
1430 monitor_printf(mon, "%#" HWADDR_PRIo, val);
1433 monitor_printf(mon, "%#" HWADDR_PRIx, val);
1436 monitor_printf(mon, "%" HWADDR_PRIu, val);
1440 monitor_printf(mon, "%" HWADDR_PRId, val);
1443 monitor_printc(mon, val);
1446 monitor_printf(mon, "\n");
1449 static void hmp_sum(Monitor *mon, const QDict *qdict)
1453 uint32_t start = qdict_get_int(qdict, "start");
1454 uint32_t size = qdict_get_int(qdict, "size");
1457 for(addr = start; addr < (start + size); addr++) {
1458 uint8_t val = address_space_ldub(&address_space_memory, addr,
1459 MEMTXATTRS_UNSPECIFIED, NULL);
1460 /* BSD sum algorithm ('sum' Unix command) */
1461 sum = (sum >> 1) | (sum << 15);
1464 monitor_printf(mon, "%05d\n", sum);
1467 static int mouse_button_state;
1469 static void hmp_mouse_move(Monitor *mon, const QDict *qdict)
1471 int dx, dy, dz, button;
1472 const char *dx_str = qdict_get_str(qdict, "dx_str");
1473 const char *dy_str = qdict_get_str(qdict, "dy_str");
1474 const char *dz_str = qdict_get_try_str(qdict, "dz_str");
1476 dx = strtol(dx_str, NULL, 0);
1477 dy = strtol(dy_str, NULL, 0);
1478 qemu_input_queue_rel(NULL, INPUT_AXIS_X, dx);
1479 qemu_input_queue_rel(NULL, INPUT_AXIS_Y, dy);
1482 dz = strtol(dz_str, NULL, 0);
1484 button = (dz > 0) ? INPUT_BUTTON_WHEEL_UP : INPUT_BUTTON_WHEEL_DOWN;
1485 qemu_input_queue_btn(NULL, button, true);
1486 qemu_input_event_sync();
1487 qemu_input_queue_btn(NULL, button, false);
1490 qemu_input_event_sync();
1493 static void hmp_mouse_button(Monitor *mon, const QDict *qdict)
1495 static uint32_t bmap[INPUT_BUTTON__MAX] = {
1496 [INPUT_BUTTON_LEFT] = MOUSE_EVENT_LBUTTON,
1497 [INPUT_BUTTON_MIDDLE] = MOUSE_EVENT_MBUTTON,
1498 [INPUT_BUTTON_RIGHT] = MOUSE_EVENT_RBUTTON,
1500 int button_state = qdict_get_int(qdict, "button_state");
1502 if (mouse_button_state == button_state) {
1505 qemu_input_update_buttons(NULL, bmap, mouse_button_state, button_state);
1506 qemu_input_event_sync();
1507 mouse_button_state = button_state;
1510 static void hmp_ioport_read(Monitor *mon, const QDict *qdict)
1512 int size = qdict_get_int(qdict, "size");
1513 int addr = qdict_get_int(qdict, "addr");
1514 int has_index = qdict_haskey(qdict, "index");
1519 int index = qdict_get_int(qdict, "index");
1520 cpu_outb(addr & IOPORTS_MASK, index & 0xff);
1528 val = cpu_inb(addr);
1532 val = cpu_inw(addr);
1536 val = cpu_inl(addr);
1540 monitor_printf(mon, "port%c[0x%04x] = %#0*x\n",
1541 suffix, addr, size * 2, val);
1544 static void hmp_ioport_write(Monitor *mon, const QDict *qdict)
1546 int size = qdict_get_int(qdict, "size");
1547 int addr = qdict_get_int(qdict, "addr");
1548 int val = qdict_get_int(qdict, "val");
1550 addr &= IOPORTS_MASK;
1555 cpu_outb(addr, val);
1558 cpu_outw(addr, val);
1561 cpu_outl(addr, val);
1566 static void hmp_boot_set(Monitor *mon, const QDict *qdict)
1568 Error *local_err = NULL;
1569 const char *bootdevice = qdict_get_str(qdict, "bootdevice");
1571 qemu_boot_set(bootdevice, &local_err);
1573 error_report_err(local_err);
1575 monitor_printf(mon, "boot device list now set to %s\n", bootdevice);
1579 static void hmp_info_mtree(Monitor *mon, const QDict *qdict)
1581 mtree_info((fprintf_function)monitor_printf, mon);
1584 static void hmp_info_numa(Monitor *mon, const QDict *qdict)
1590 node_mem = g_new0(uint64_t, nb_numa_nodes);
1591 query_numa_node_mem(node_mem);
1592 monitor_printf(mon, "%d nodes\n", nb_numa_nodes);
1593 for (i = 0; i < nb_numa_nodes; i++) {
1594 monitor_printf(mon, "node %d cpus:", i);
1596 if (cpu->numa_node == i) {
1597 monitor_printf(mon, " %d", cpu->cpu_index);
1600 monitor_printf(mon, "\n");
1601 monitor_printf(mon, "node %d size: %" PRId64 " MB\n", i,
1607 #ifdef CONFIG_PROFILER
1612 static void hmp_info_profile(Monitor *mon, const QDict *qdict)
1614 monitor_printf(mon, "async time %" PRId64 " (%0.3f)\n",
1615 dev_time, dev_time / (double)NANOSECONDS_PER_SECOND);
1616 monitor_printf(mon, "qemu time %" PRId64 " (%0.3f)\n",
1617 tcg_time, tcg_time / (double)NANOSECONDS_PER_SECOND);
1622 static void hmp_info_profile(Monitor *mon, const QDict *qdict)
1624 monitor_printf(mon, "Internal profiler not compiled\n");
1628 /* Capture support */
1629 static QLIST_HEAD (capture_list_head, CaptureState) capture_head;
1631 static void hmp_info_capture(Monitor *mon, const QDict *qdict)
1636 for (s = capture_head.lh_first, i = 0; s; s = s->entries.le_next, ++i) {
1637 monitor_printf(mon, "[%d]: ", i);
1638 s->ops.info (s->opaque);
1642 static void hmp_stopcapture(Monitor *mon, const QDict *qdict)
1645 int n = qdict_get_int(qdict, "n");
1648 for (s = capture_head.lh_first, i = 0; s; s = s->entries.le_next, ++i) {
1650 s->ops.destroy (s->opaque);
1651 QLIST_REMOVE (s, entries);
1658 static void hmp_wavcapture(Monitor *mon, const QDict *qdict)
1660 const char *path = qdict_get_str(qdict, "path");
1661 int has_freq = qdict_haskey(qdict, "freq");
1662 int freq = qdict_get_try_int(qdict, "freq", -1);
1663 int has_bits = qdict_haskey(qdict, "bits");
1664 int bits = qdict_get_try_int(qdict, "bits", -1);
1665 int has_channels = qdict_haskey(qdict, "nchannels");
1666 int nchannels = qdict_get_try_int(qdict, "nchannels", -1);
1669 s = g_malloc0 (sizeof (*s));
1671 freq = has_freq ? freq : 44100;
1672 bits = has_bits ? bits : 16;
1673 nchannels = has_channels ? nchannels : 2;
1675 if (wav_start_capture (s, path, freq, bits, nchannels)) {
1676 monitor_printf(mon, "Failed to add wave capture\n");
1680 QLIST_INSERT_HEAD (&capture_head, s, entries);
1683 static qemu_acl *find_acl(Monitor *mon, const char *name)
1685 qemu_acl *acl = qemu_acl_find(name);
1688 monitor_printf(mon, "acl: unknown list '%s'\n", name);
1693 static void hmp_acl_show(Monitor *mon, const QDict *qdict)
1695 const char *aclname = qdict_get_str(qdict, "aclname");
1696 qemu_acl *acl = find_acl(mon, aclname);
1697 qemu_acl_entry *entry;
1701 monitor_printf(mon, "policy: %s\n",
1702 acl->defaultDeny ? "deny" : "allow");
1703 QTAILQ_FOREACH(entry, &acl->entries, next) {
1705 monitor_printf(mon, "%d: %s %s\n", i,
1706 entry->deny ? "deny" : "allow", entry->match);
1711 static void hmp_acl_reset(Monitor *mon, const QDict *qdict)
1713 const char *aclname = qdict_get_str(qdict, "aclname");
1714 qemu_acl *acl = find_acl(mon, aclname);
1717 qemu_acl_reset(acl);
1718 monitor_printf(mon, "acl: removed all rules\n");
1722 static void hmp_acl_policy(Monitor *mon, const QDict *qdict)
1724 const char *aclname = qdict_get_str(qdict, "aclname");
1725 const char *policy = qdict_get_str(qdict, "policy");
1726 qemu_acl *acl = find_acl(mon, aclname);
1729 if (strcmp(policy, "allow") == 0) {
1730 acl->defaultDeny = 0;
1731 monitor_printf(mon, "acl: policy set to 'allow'\n");
1732 } else if (strcmp(policy, "deny") == 0) {
1733 acl->defaultDeny = 1;
1734 monitor_printf(mon, "acl: policy set to 'deny'\n");
1736 monitor_printf(mon, "acl: unknown policy '%s', "
1737 "expected 'deny' or 'allow'\n", policy);
1742 static void hmp_acl_add(Monitor *mon, const QDict *qdict)
1744 const char *aclname = qdict_get_str(qdict, "aclname");
1745 const char *match = qdict_get_str(qdict, "match");
1746 const char *policy = qdict_get_str(qdict, "policy");
1747 int has_index = qdict_haskey(qdict, "index");
1748 int index = qdict_get_try_int(qdict, "index", -1);
1749 qemu_acl *acl = find_acl(mon, aclname);
1753 if (strcmp(policy, "allow") == 0) {
1755 } else if (strcmp(policy, "deny") == 0) {
1758 monitor_printf(mon, "acl: unknown policy '%s', "
1759 "expected 'deny' or 'allow'\n", policy);
1763 ret = qemu_acl_insert(acl, deny, match, index);
1765 ret = qemu_acl_append(acl, deny, match);
1767 monitor_printf(mon, "acl: unable to add acl entry\n");
1769 monitor_printf(mon, "acl: added rule at position %d\n", ret);
1773 static void hmp_acl_remove(Monitor *mon, const QDict *qdict)
1775 const char *aclname = qdict_get_str(qdict, "aclname");
1776 const char *match = qdict_get_str(qdict, "match");
1777 qemu_acl *acl = find_acl(mon, aclname);
1781 ret = qemu_acl_remove(acl, match);
1783 monitor_printf(mon, "acl: no matching acl entry\n");
1785 monitor_printf(mon, "acl: removed rule at position %d\n", ret);
1789 void qmp_getfd(const char *fdname, Error **errp)
1794 fd = qemu_chr_fe_get_msgfd(cur_mon->chr);
1796 error_setg(errp, QERR_FD_NOT_SUPPLIED);
1800 if (qemu_isdigit(fdname[0])) {
1802 error_setg(errp, QERR_INVALID_PARAMETER_VALUE, "fdname",
1803 "a name not starting with a digit");
1807 QLIST_FOREACH(monfd, &cur_mon->fds, next) {
1808 if (strcmp(monfd->name, fdname) != 0) {
1817 monfd = g_malloc0(sizeof(mon_fd_t));
1818 monfd->name = g_strdup(fdname);
1821 QLIST_INSERT_HEAD(&cur_mon->fds, monfd, next);
1824 void qmp_closefd(const char *fdname, Error **errp)
1828 QLIST_FOREACH(monfd, &cur_mon->fds, next) {
1829 if (strcmp(monfd->name, fdname) != 0) {
1833 QLIST_REMOVE(monfd, next);
1835 g_free(monfd->name);
1840 error_setg(errp, QERR_FD_NOT_FOUND, fdname);
1843 static void hmp_loadvm(Monitor *mon, const QDict *qdict)
1845 int saved_vm_running = runstate_is_running();
1846 const char *name = qdict_get_str(qdict, "name");
1848 vm_stop(RUN_STATE_RESTORE_VM);
1850 if (load_vmstate(name) == 0 && saved_vm_running) {
1855 int monitor_get_fd(Monitor *mon, const char *fdname, Error **errp)
1859 QLIST_FOREACH(monfd, &mon->fds, next) {
1862 if (strcmp(monfd->name, fdname) != 0) {
1868 /* caller takes ownership of fd */
1869 QLIST_REMOVE(monfd, next);
1870 g_free(monfd->name);
1876 error_setg(errp, "File descriptor named '%s' has not been found", fdname);
1880 static void monitor_fdset_cleanup(MonFdset *mon_fdset)
1882 MonFdsetFd *mon_fdset_fd;
1883 MonFdsetFd *mon_fdset_fd_next;
1885 QLIST_FOREACH_SAFE(mon_fdset_fd, &mon_fdset->fds, next, mon_fdset_fd_next) {
1886 if ((mon_fdset_fd->removed ||
1887 (QLIST_EMPTY(&mon_fdset->dup_fds) && mon_refcount == 0)) &&
1888 runstate_is_running()) {
1889 close(mon_fdset_fd->fd);
1890 g_free(mon_fdset_fd->opaque);
1891 QLIST_REMOVE(mon_fdset_fd, next);
1892 g_free(mon_fdset_fd);
1896 if (QLIST_EMPTY(&mon_fdset->fds) && QLIST_EMPTY(&mon_fdset->dup_fds)) {
1897 QLIST_REMOVE(mon_fdset, next);
1902 static void monitor_fdsets_cleanup(void)
1904 MonFdset *mon_fdset;
1905 MonFdset *mon_fdset_next;
1907 QLIST_FOREACH_SAFE(mon_fdset, &mon_fdsets, next, mon_fdset_next) {
1908 monitor_fdset_cleanup(mon_fdset);
1912 AddfdInfo *qmp_add_fd(bool has_fdset_id, int64_t fdset_id, bool has_opaque,
1913 const char *opaque, Error **errp)
1916 Monitor *mon = cur_mon;
1919 fd = qemu_chr_fe_get_msgfd(mon->chr);
1921 error_setg(errp, QERR_FD_NOT_SUPPLIED);
1925 fdinfo = monitor_fdset_add_fd(fd, has_fdset_id, fdset_id,
1926 has_opaque, opaque, errp);
1938 void qmp_remove_fd(int64_t fdset_id, bool has_fd, int64_t fd, Error **errp)
1940 MonFdset *mon_fdset;
1941 MonFdsetFd *mon_fdset_fd;
1944 QLIST_FOREACH(mon_fdset, &mon_fdsets, next) {
1945 if (mon_fdset->id != fdset_id) {
1948 QLIST_FOREACH(mon_fdset_fd, &mon_fdset->fds, next) {
1950 if (mon_fdset_fd->fd != fd) {
1953 mon_fdset_fd->removed = true;
1956 mon_fdset_fd->removed = true;
1959 if (has_fd && !mon_fdset_fd) {
1962 monitor_fdset_cleanup(mon_fdset);
1968 snprintf(fd_str, sizeof(fd_str), "fdset-id:%" PRId64 ", fd:%" PRId64,
1971 snprintf(fd_str, sizeof(fd_str), "fdset-id:%" PRId64, fdset_id);
1973 error_setg(errp, QERR_FD_NOT_FOUND, fd_str);
1976 FdsetInfoList *qmp_query_fdsets(Error **errp)
1978 MonFdset *mon_fdset;
1979 MonFdsetFd *mon_fdset_fd;
1980 FdsetInfoList *fdset_list = NULL;
1982 QLIST_FOREACH(mon_fdset, &mon_fdsets, next) {
1983 FdsetInfoList *fdset_info = g_malloc0(sizeof(*fdset_info));
1984 FdsetFdInfoList *fdsetfd_list = NULL;
1986 fdset_info->value = g_malloc0(sizeof(*fdset_info->value));
1987 fdset_info->value->fdset_id = mon_fdset->id;
1989 QLIST_FOREACH(mon_fdset_fd, &mon_fdset->fds, next) {
1990 FdsetFdInfoList *fdsetfd_info;
1992 fdsetfd_info = g_malloc0(sizeof(*fdsetfd_info));
1993 fdsetfd_info->value = g_malloc0(sizeof(*fdsetfd_info->value));
1994 fdsetfd_info->value->fd = mon_fdset_fd->fd;
1995 if (mon_fdset_fd->opaque) {
1996 fdsetfd_info->value->has_opaque = true;
1997 fdsetfd_info->value->opaque = g_strdup(mon_fdset_fd->opaque);
1999 fdsetfd_info->value->has_opaque = false;
2002 fdsetfd_info->next = fdsetfd_list;
2003 fdsetfd_list = fdsetfd_info;
2006 fdset_info->value->fds = fdsetfd_list;
2008 fdset_info->next = fdset_list;
2009 fdset_list = fdset_info;
2015 AddfdInfo *monitor_fdset_add_fd(int fd, bool has_fdset_id, int64_t fdset_id,
2016 bool has_opaque, const char *opaque,
2019 MonFdset *mon_fdset = NULL;
2020 MonFdsetFd *mon_fdset_fd;
2024 QLIST_FOREACH(mon_fdset, &mon_fdsets, next) {
2025 /* Break if match found or match impossible due to ordering by ID */
2026 if (fdset_id <= mon_fdset->id) {
2027 if (fdset_id < mon_fdset->id) {
2035 if (mon_fdset == NULL) {
2036 int64_t fdset_id_prev = -1;
2037 MonFdset *mon_fdset_cur = QLIST_FIRST(&mon_fdsets);
2041 error_setg(errp, QERR_INVALID_PARAMETER_VALUE, "fdset-id",
2042 "a non-negative value");
2045 /* Use specified fdset ID */
2046 QLIST_FOREACH(mon_fdset, &mon_fdsets, next) {
2047 mon_fdset_cur = mon_fdset;
2048 if (fdset_id < mon_fdset_cur->id) {
2053 /* Use first available fdset ID */
2054 QLIST_FOREACH(mon_fdset, &mon_fdsets, next) {
2055 mon_fdset_cur = mon_fdset;
2056 if (fdset_id_prev == mon_fdset_cur->id - 1) {
2057 fdset_id_prev = mon_fdset_cur->id;
2064 mon_fdset = g_malloc0(sizeof(*mon_fdset));
2066 mon_fdset->id = fdset_id;
2068 mon_fdset->id = fdset_id_prev + 1;
2071 /* The fdset list is ordered by fdset ID */
2072 if (!mon_fdset_cur) {
2073 QLIST_INSERT_HEAD(&mon_fdsets, mon_fdset, next);
2074 } else if (mon_fdset->id < mon_fdset_cur->id) {
2075 QLIST_INSERT_BEFORE(mon_fdset_cur, mon_fdset, next);
2077 QLIST_INSERT_AFTER(mon_fdset_cur, mon_fdset, next);
2081 mon_fdset_fd = g_malloc0(sizeof(*mon_fdset_fd));
2082 mon_fdset_fd->fd = fd;
2083 mon_fdset_fd->removed = false;
2085 mon_fdset_fd->opaque = g_strdup(opaque);
2087 QLIST_INSERT_HEAD(&mon_fdset->fds, mon_fdset_fd, next);
2089 fdinfo = g_malloc0(sizeof(*fdinfo));
2090 fdinfo->fdset_id = mon_fdset->id;
2091 fdinfo->fd = mon_fdset_fd->fd;
2096 int monitor_fdset_get_fd(int64_t fdset_id, int flags)
2099 MonFdset *mon_fdset;
2100 MonFdsetFd *mon_fdset_fd;
2103 QLIST_FOREACH(mon_fdset, &mon_fdsets, next) {
2104 if (mon_fdset->id != fdset_id) {
2107 QLIST_FOREACH(mon_fdset_fd, &mon_fdset->fds, next) {
2108 mon_fd_flags = fcntl(mon_fdset_fd->fd, F_GETFL);
2109 if (mon_fd_flags == -1) {
2113 if ((flags & O_ACCMODE) == (mon_fd_flags & O_ACCMODE)) {
2114 return mon_fdset_fd->fd;
2126 int monitor_fdset_dup_fd_add(int64_t fdset_id, int dup_fd)
2128 MonFdset *mon_fdset;
2129 MonFdsetFd *mon_fdset_fd_dup;
2131 QLIST_FOREACH(mon_fdset, &mon_fdsets, next) {
2132 if (mon_fdset->id != fdset_id) {
2135 QLIST_FOREACH(mon_fdset_fd_dup, &mon_fdset->dup_fds, next) {
2136 if (mon_fdset_fd_dup->fd == dup_fd) {
2140 mon_fdset_fd_dup = g_malloc0(sizeof(*mon_fdset_fd_dup));
2141 mon_fdset_fd_dup->fd = dup_fd;
2142 QLIST_INSERT_HEAD(&mon_fdset->dup_fds, mon_fdset_fd_dup, next);
2148 static int monitor_fdset_dup_fd_find_remove(int dup_fd, bool remove)
2150 MonFdset *mon_fdset;
2151 MonFdsetFd *mon_fdset_fd_dup;
2153 QLIST_FOREACH(mon_fdset, &mon_fdsets, next) {
2154 QLIST_FOREACH(mon_fdset_fd_dup, &mon_fdset->dup_fds, next) {
2155 if (mon_fdset_fd_dup->fd == dup_fd) {
2157 QLIST_REMOVE(mon_fdset_fd_dup, next);
2158 if (QLIST_EMPTY(&mon_fdset->dup_fds)) {
2159 monitor_fdset_cleanup(mon_fdset);
2163 return mon_fdset->id;
2171 int monitor_fdset_dup_fd_find(int dup_fd)
2173 return monitor_fdset_dup_fd_find_remove(dup_fd, false);
2176 void monitor_fdset_dup_fd_remove(int dup_fd)
2178 monitor_fdset_dup_fd_find_remove(dup_fd, true);
2181 int monitor_fd_param(Monitor *mon, const char *fdname, Error **errp)
2184 Error *local_err = NULL;
2186 if (!qemu_isdigit(fdname[0]) && mon) {
2187 fd = monitor_get_fd(mon, fdname, &local_err);
2189 fd = qemu_parse_fd(fdname);
2191 error_setg(&local_err, "Invalid file descriptor number '%s'",
2196 error_propagate(errp, local_err);
2205 /* Please update hmp-commands.hx when adding or changing commands */
2206 static mon_cmd_t info_cmds[] = {
2207 #include "hmp-commands-info.h"
2211 /* mon_cmds and info_cmds would be sorted at runtime */
2212 static mon_cmd_t mon_cmds[] = {
2213 #include "hmp-commands.h"
2217 static const mon_cmd_t qmp_cmds[] = {
2218 #include "qmp-commands-old.h"
2222 /*******************************************************************/
2224 static const char *pch;
2225 static sigjmp_buf expr_env;
2228 static void GCC_FMT_ATTR(2, 3) QEMU_NORETURN
2229 expr_error(Monitor *mon, const char *fmt, ...)
2233 monitor_vprintf(mon, fmt, ap);
2234 monitor_printf(mon, "\n");
2236 siglongjmp(expr_env, 1);
2239 /* return 0 if OK, -1 if not found */
2240 static int get_monitor_def(target_long *pval, const char *name)
2242 const MonitorDef *md = target_monitor_defs();
2251 for(; md->name != NULL; md++) {
2252 if (compare_cmd(name, md->name)) {
2253 if (md->get_value) {
2254 *pval = md->get_value(md, md->offset);
2256 CPUArchState *env = mon_get_cpu_env();
2257 ptr = (uint8_t *)env + md->offset;
2260 *pval = *(int32_t *)ptr;
2263 *pval = *(target_long *)ptr;
2274 ret = target_get_monitor_def(mon_get_cpu(), name, &tmp);
2276 *pval = (target_long) tmp;
2282 static void next(void)
2286 while (qemu_isspace(*pch))
2291 static int64_t expr_sum(Monitor *mon);
2293 static int64_t expr_unary(Monitor *mon)
2302 n = expr_unary(mon);
2306 n = -expr_unary(mon);
2310 n = ~expr_unary(mon);
2316 expr_error(mon, "')' expected");
2323 expr_error(mon, "character constant expected");
2327 expr_error(mon, "missing terminating \' character");
2337 while ((*pch >= 'a' && *pch <= 'z') ||
2338 (*pch >= 'A' && *pch <= 'Z') ||
2339 (*pch >= '0' && *pch <= '9') ||
2340 *pch == '_' || *pch == '.') {
2341 if ((q - buf) < sizeof(buf) - 1)
2345 while (qemu_isspace(*pch))
2348 ret = get_monitor_def(®, buf);
2350 expr_error(mon, "unknown register");
2355 expr_error(mon, "unexpected end of expression");
2360 n = strtoull(pch, &p, 0);
2361 if (errno == ERANGE) {
2362 expr_error(mon, "number too large");
2365 expr_error(mon, "invalid char '%c' in expression", *p);
2368 while (qemu_isspace(*pch))
2376 static int64_t expr_prod(Monitor *mon)
2381 val = expr_unary(mon);
2384 if (op != '*' && op != '/' && op != '%')
2387 val2 = expr_unary(mon);
2396 expr_error(mon, "division by zero");
2407 static int64_t expr_logic(Monitor *mon)
2412 val = expr_prod(mon);
2415 if (op != '&' && op != '|' && op != '^')
2418 val2 = expr_prod(mon);
2435 static int64_t expr_sum(Monitor *mon)
2440 val = expr_logic(mon);
2443 if (op != '+' && op != '-')
2446 val2 = expr_logic(mon);
2455 static int get_expr(Monitor *mon, int64_t *pval, const char **pp)
2458 if (sigsetjmp(expr_env, 0)) {
2462 while (qemu_isspace(*pch))
2464 *pval = expr_sum(mon);
2469 static int get_double(Monitor *mon, double *pval, const char **pp)
2471 const char *p = *pp;
2475 d = strtod(p, &tailp);
2477 monitor_printf(mon, "Number expected\n");
2480 if (d != d || d - d != 0) {
2481 /* NaN or infinity */
2482 monitor_printf(mon, "Bad number\n");
2491 * Store the command-name in cmdname, and return a pointer to
2492 * the remaining of the command string.
2494 static const char *get_command_name(const char *cmdline,
2495 char *cmdname, size_t nlen)
2498 const char *p, *pstart;
2501 while (qemu_isspace(*p))
2506 while (*p != '\0' && *p != '/' && !qemu_isspace(*p))
2511 memcpy(cmdname, pstart, len);
2512 cmdname[len] = '\0';
2517 * Read key of 'type' into 'key' and return the current
2520 static char *key_get_info(const char *type, char **key)
2528 p = strchr(type, ':');
2535 str = g_malloc(len + 1);
2536 memcpy(str, type, len);
2543 static int default_fmt_format = 'x';
2544 static int default_fmt_size = 4;
2546 static int is_valid_option(const char *c, const char *typestr)
2554 typestr = strstr(typestr, option);
2555 return (typestr != NULL);
2558 static const mon_cmd_t *search_dispatch_table(const mon_cmd_t *disp_table,
2559 const char *cmdname)
2561 const mon_cmd_t *cmd;
2563 for (cmd = disp_table; cmd->name != NULL; cmd++) {
2564 if (compare_cmd(cmdname, cmd->name)) {
2572 static const mon_cmd_t *qmp_find_cmd(const char *cmdname)
2574 return search_dispatch_table(qmp_cmds, cmdname);
2578 * Parse command name from @cmdp according to command table @table.
2579 * If blank, return NULL.
2580 * Else, if no valid command can be found, report to @mon, and return
2582 * Else, change @cmdp to point right behind the name, and return its
2583 * command table entry.
2584 * Do not assume the return value points into @table! It doesn't when
2585 * the command is found in a sub-command table.
2587 static const mon_cmd_t *monitor_parse_command(Monitor *mon,
2592 const mon_cmd_t *cmd;
2595 /* extract the command name */
2596 p = get_command_name(*cmdp, cmdname, sizeof(cmdname));
2600 cmd = search_dispatch_table(table, cmdname);
2602 monitor_printf(mon, "unknown command: '%.*s'\n",
2603 (int)(p - *cmdp), *cmdp);
2607 /* filter out following useless space */
2608 while (qemu_isspace(*p)) {
2613 /* search sub command */
2614 if (cmd->sub_table != NULL && *p != '\0') {
2615 return monitor_parse_command(mon, cmdp, cmd->sub_table);
2622 * Parse arguments for @cmd.
2623 * If it can't be parsed, report to @mon, and return NULL.
2624 * Else, insert command arguments into a QDict, and return it.
2625 * Note: On success, caller has to free the QDict structure.
2628 static QDict *monitor_parse_arguments(Monitor *mon,
2630 const mon_cmd_t *cmd)
2632 const char *typestr;
2635 const char *p = *endp;
2637 QDict *qdict = qdict_new();
2639 /* parse the parameters */
2640 typestr = cmd->args_type;
2642 typestr = key_get_info(typestr, &key);
2654 while (qemu_isspace(*p))
2656 if (*typestr == '?') {
2659 /* no optional string: NULL argument */
2663 ret = get_str(buf, sizeof(buf), &p);
2667 monitor_printf(mon, "%s: filename expected\n",
2671 monitor_printf(mon, "%s: block device name expected\n",
2675 monitor_printf(mon, "%s: string expected\n", cmd->name);
2680 qdict_put(qdict, key, qstring_from_str(buf));
2685 QemuOptsList *opts_list;
2688 opts_list = qemu_find_opts(key);
2689 if (!opts_list || opts_list->desc->name) {
2692 while (qemu_isspace(*p)) {
2697 if (get_str(buf, sizeof(buf), &p) < 0) {
2700 opts = qemu_opts_parse_noisily(opts_list, buf, true);
2704 qemu_opts_to_qdict(opts, qdict);
2705 qemu_opts_del(opts);
2710 int count, format, size;
2712 while (qemu_isspace(*p))
2718 if (qemu_isdigit(*p)) {
2720 while (qemu_isdigit(*p)) {
2721 count = count * 10 + (*p - '0');
2759 if (*p != '\0' && !qemu_isspace(*p)) {
2760 monitor_printf(mon, "invalid char in format: '%c'\n",
2765 format = default_fmt_format;
2766 if (format != 'i') {
2767 /* for 'i', not specifying a size gives -1 as size */
2769 size = default_fmt_size;
2770 default_fmt_size = size;
2772 default_fmt_format = format;
2775 format = default_fmt_format;
2776 if (format != 'i') {
2777 size = default_fmt_size;
2782 qdict_put(qdict, "count", qint_from_int(count));
2783 qdict_put(qdict, "format", qint_from_int(format));
2784 qdict_put(qdict, "size", qint_from_int(size));
2793 while (qemu_isspace(*p))
2795 if (*typestr == '?' || *typestr == '.') {
2796 if (*typestr == '?') {
2804 while (qemu_isspace(*p))
2813 if (get_expr(mon, &val, &p))
2815 /* Check if 'i' is greater than 32-bit */
2816 if ((c == 'i') && ((val >> 32) & 0xffffffff)) {
2817 monitor_printf(mon, "\'%s\' has failed: ", cmd->name);
2818 monitor_printf(mon, "integer is for 32-bit values\n");
2820 } else if (c == 'M') {
2822 monitor_printf(mon, "enter a positive value\n");
2827 qdict_put(qdict, key, qint_from_int(val));
2835 while (qemu_isspace(*p)) {
2838 if (*typestr == '?') {
2844 val = qemu_strtosz(p, &end);
2846 monitor_printf(mon, "invalid size\n");
2849 qdict_put(qdict, key, qint_from_int(val));
2857 while (qemu_isspace(*p))
2859 if (*typestr == '?') {
2865 if (get_double(mon, &val, &p) < 0) {
2868 if (p[0] && p[1] == 's') {
2871 val /= 1e3; p += 2; break;
2873 val /= 1e6; p += 2; break;
2875 val /= 1e9; p += 2; break;
2878 if (*p && !qemu_isspace(*p)) {
2879 monitor_printf(mon, "Unknown unit suffix\n");
2882 qdict_put(qdict, key, qfloat_from_double(val));
2890 while (qemu_isspace(*p)) {
2894 while (qemu_isgraph(*p)) {
2897 if (p - beg == 2 && !memcmp(beg, "on", p - beg)) {
2899 } else if (p - beg == 3 && !memcmp(beg, "off", p - beg)) {
2902 monitor_printf(mon, "Expected 'on' or 'off'\n");
2905 qdict_put(qdict, key, qbool_from_bool(val));
2910 const char *tmp = p;
2917 while (qemu_isspace(*p))
2922 if(!is_valid_option(p, typestr)) {
2924 monitor_printf(mon, "%s: unsupported option -%c\n",
2936 qdict_put(qdict, key, qbool_from_bool(true));
2943 /* package all remaining string */
2946 while (qemu_isspace(*p)) {
2949 if (*typestr == '?') {
2952 /* no remaining string: NULL argument */
2958 monitor_printf(mon, "%s: string expected\n",
2962 qdict_put(qdict, key, qstring_from_str(p));
2968 monitor_printf(mon, "%s: unknown type '%c'\n", cmd->name, c);
2974 /* check that all arguments were parsed */
2975 while (qemu_isspace(*p))
2978 monitor_printf(mon, "%s: extraneous characters at the end of line\n",
2991 static void handle_hmp_command(Monitor *mon, const char *cmdline)
2994 const mon_cmd_t *cmd;
2996 cmd = monitor_parse_command(mon, &cmdline, mon->cmd_table);
3001 qdict = monitor_parse_arguments(mon, &cmdline, cmd);
3003 monitor_printf(mon, "Try \"help %s\" for more information\n",
3008 cmd->mhandler.cmd(mon, qdict);
3012 static void cmd_completion(Monitor *mon, const char *name, const char *list)
3014 const char *p, *pstart;
3023 p = pstart + strlen(pstart);
3025 if (len > sizeof(cmd) - 2)
3026 len = sizeof(cmd) - 2;
3027 memcpy(cmd, pstart, len);
3029 if (name[0] == '\0' || !strncmp(name, cmd, strlen(name))) {
3030 readline_add_completion(mon->rs, cmd);
3038 static void file_completion(Monitor *mon, const char *input)
3043 char file[1024], file_prefix[1024];
3047 p = strrchr(input, '/');
3050 pstrcpy(file_prefix, sizeof(file_prefix), input);
3051 pstrcpy(path, sizeof(path), ".");
3053 input_path_len = p - input + 1;
3054 memcpy(path, input, input_path_len);
3055 if (input_path_len > sizeof(path) - 1)
3056 input_path_len = sizeof(path) - 1;
3057 path[input_path_len] = '\0';
3058 pstrcpy(file_prefix, sizeof(file_prefix), p + 1);
3061 ffs = opendir(path);
3070 if (strcmp(d->d_name, ".") == 0 || strcmp(d->d_name, "..") == 0) {
3074 if (strstart(d->d_name, file_prefix, NULL)) {
3075 memcpy(file, input, input_path_len);
3076 if (input_path_len < sizeof(file))
3077 pstrcpy(file + input_path_len, sizeof(file) - input_path_len,
3079 /* stat the file to find out if it's a directory.
3080 * In that case add a slash to speed up typing long paths
3082 if (stat(file, &sb) == 0 && S_ISDIR(sb.st_mode)) {
3083 pstrcat(file, sizeof(file), "/");
3085 readline_add_completion(mon->rs, file);
3091 static const char *next_arg_type(const char *typestr)
3093 const char *p = strchr(typestr, ':');
3094 return (p != NULL ? ++p : typestr);
3097 static void add_completion_option(ReadLineState *rs, const char *str,
3100 if (!str || !option) {
3103 if (!strncmp(option, str, strlen(str))) {
3104 readline_add_completion(rs, option);
3108 void chardev_add_completion(ReadLineState *rs, int nb_args, const char *str)
3111 ChardevBackendInfoList *list, *start;
3117 readline_set_completion_index(rs, len);
3119 start = list = qmp_query_chardev_backends(NULL);
3121 const char *chr_name = list->value->name;
3123 if (!strncmp(chr_name, str, len)) {
3124 readline_add_completion(rs, chr_name);
3128 qapi_free_ChardevBackendInfoList(start);
3131 void netdev_add_completion(ReadLineState *rs, int nb_args, const char *str)
3140 readline_set_completion_index(rs, len);
3141 for (i = 0; NetClientDriver_lookup[i]; i++) {
3142 add_completion_option(rs, str, NetClientDriver_lookup[i]);
3146 void device_add_completion(ReadLineState *rs, int nb_args, const char *str)
3156 readline_set_completion_index(rs, len);
3157 list = elt = object_class_get_list(TYPE_DEVICE, false);
3160 DeviceClass *dc = OBJECT_CLASS_CHECK(DeviceClass, elt->data,
3162 name = object_class_get_name(OBJECT_CLASS(dc));
3164 if (!dc->cannot_instantiate_with_device_add_yet
3165 && !strncmp(name, str, len)) {
3166 readline_add_completion(rs, name);
3173 void object_add_completion(ReadLineState *rs, int nb_args, const char *str)
3183 readline_set_completion_index(rs, len);
3184 list = elt = object_class_get_list(TYPE_USER_CREATABLE, false);
3188 name = object_class_get_name(OBJECT_CLASS(elt->data));
3189 if (!strncmp(name, str, len) && strcmp(name, TYPE_USER_CREATABLE)) {
3190 readline_add_completion(rs, name);
3197 static void peripheral_device_del_completion(ReadLineState *rs,
3198 const char *str, size_t len)
3200 Object *peripheral = container_get(qdev_get_machine(), "/peripheral");
3201 GSList *list, *item;
3203 list = qdev_build_hotpluggable_device_list(peripheral);
3208 for (item = list; item; item = g_slist_next(item)) {
3209 DeviceState *dev = item->data;
3211 if (dev->id && !strncmp(str, dev->id, len)) {
3212 readline_add_completion(rs, dev->id);
3219 void chardev_remove_completion(ReadLineState *rs, int nb_args, const char *str)
3222 ChardevInfoList *list, *start;
3228 readline_set_completion_index(rs, len);
3230 start = list = qmp_query_chardev(NULL);
3232 ChardevInfo *chr = list->value;
3234 if (!strncmp(chr->label, str, len)) {
3235 readline_add_completion(rs, chr->label);
3239 qapi_free_ChardevInfoList(start);
3242 static void ringbuf_completion(ReadLineState *rs, const char *str)
3245 ChardevInfoList *list, *start;
3248 readline_set_completion_index(rs, len);
3250 start = list = qmp_query_chardev(NULL);
3252 ChardevInfo *chr_info = list->value;
3254 if (!strncmp(chr_info->label, str, len)) {
3255 CharDriverState *chr = qemu_chr_find(chr_info->label);
3256 if (chr && chr_is_ringbuf(chr)) {
3257 readline_add_completion(rs, chr_info->label);
3262 qapi_free_ChardevInfoList(start);
3265 void ringbuf_write_completion(ReadLineState *rs, int nb_args, const char *str)
3270 ringbuf_completion(rs, str);
3273 void device_del_completion(ReadLineState *rs, int nb_args, const char *str)
3282 readline_set_completion_index(rs, len);
3283 peripheral_device_del_completion(rs, str, len);
3286 void object_del_completion(ReadLineState *rs, int nb_args, const char *str)
3288 ObjectPropertyInfoList *list, *start;
3295 readline_set_completion_index(rs, len);
3297 start = list = qmp_qom_list("/objects", NULL);
3299 ObjectPropertyInfo *info = list->value;
3301 if (!strncmp(info->type, "child<", 5)
3302 && !strncmp(info->name, str, len)) {
3303 readline_add_completion(rs, info->name);
3307 qapi_free_ObjectPropertyInfoList(start);
3310 void sendkey_completion(ReadLineState *rs, int nb_args, const char *str)
3319 sep = strrchr(str, '-');
3324 readline_set_completion_index(rs, len);
3325 for (i = 0; i < Q_KEY_CODE__MAX; i++) {
3326 if (!strncmp(str, QKeyCode_lookup[i], len)) {
3327 readline_add_completion(rs, QKeyCode_lookup[i]);
3332 void set_link_completion(ReadLineState *rs, int nb_args, const char *str)
3337 readline_set_completion_index(rs, len);
3339 NetClientState *ncs[MAX_QUEUE_NUM];
3341 count = qemu_find_net_clients_except(NULL, ncs,
3342 NET_CLIENT_DRIVER_NONE,
3344 for (i = 0; i < MIN(count, MAX_QUEUE_NUM); i++) {
3345 const char *name = ncs[i]->name;
3346 if (!strncmp(str, name, len)) {
3347 readline_add_completion(rs, name);
3350 } else if (nb_args == 3) {
3351 add_completion_option(rs, str, "on");
3352 add_completion_option(rs, str, "off");
3356 void netdev_del_completion(ReadLineState *rs, int nb_args, const char *str)
3359 NetClientState *ncs[MAX_QUEUE_NUM];
3366 readline_set_completion_index(rs, len);
3367 count = qemu_find_net_clients_except(NULL, ncs, NET_CLIENT_DRIVER_NIC,
3369 for (i = 0; i < MIN(count, MAX_QUEUE_NUM); i++) {
3371 const char *name = ncs[i]->name;
3372 if (strncmp(str, name, len)) {
3375 opts = qemu_opts_find(qemu_find_opts_err("netdev", NULL), name);
3377 readline_add_completion(rs, name);
3382 void info_trace_events_completion(ReadLineState *rs, int nb_args, const char *str)
3387 readline_set_completion_index(rs, len);
3390 for (id = 0; id < trace_event_count(); id++) {
3391 const char *event_name = trace_event_get_name(trace_event_id(id));
3392 if (!strncmp(str, event_name, len)) {
3393 readline_add_completion(rs, event_name);
3399 void trace_event_completion(ReadLineState *rs, int nb_args, const char *str)
3404 readline_set_completion_index(rs, len);
3407 for (id = 0; id < trace_event_count(); id++) {
3408 const char *event_name = trace_event_get_name(trace_event_id(id));
3409 if (!strncmp(str, event_name, len)) {
3410 readline_add_completion(rs, event_name);
3413 } else if (nb_args == 3) {
3414 add_completion_option(rs, str, "on");
3415 add_completion_option(rs, str, "off");
3419 void watchdog_action_completion(ReadLineState *rs, int nb_args, const char *str)
3426 readline_set_completion_index(rs, strlen(str));
3427 for (i = 0; WatchdogExpirationAction_lookup[i]; i++) {
3428 add_completion_option(rs, str, WatchdogExpirationAction_lookup[i]);
3432 void migrate_set_capability_completion(ReadLineState *rs, int nb_args,
3438 readline_set_completion_index(rs, len);
3441 for (i = 0; i < MIGRATION_CAPABILITY__MAX; i++) {
3442 const char *name = MigrationCapability_lookup[i];
3443 if (!strncmp(str, name, len)) {
3444 readline_add_completion(rs, name);
3447 } else if (nb_args == 3) {
3448 add_completion_option(rs, str, "on");
3449 add_completion_option(rs, str, "off");
3453 void migrate_set_parameter_completion(ReadLineState *rs, int nb_args,
3459 readline_set_completion_index(rs, len);
3462 for (i = 0; i < MIGRATION_PARAMETER__MAX; i++) {
3463 const char *name = MigrationParameter_lookup[i];
3464 if (!strncmp(str, name, len)) {
3465 readline_add_completion(rs, name);
3471 void host_net_add_completion(ReadLineState *rs, int nb_args, const char *str)
3479 readline_set_completion_index(rs, len);
3480 for (i = 0; host_net_devices[i]; i++) {
3481 if (!strncmp(host_net_devices[i], str, len)) {
3482 readline_add_completion(rs, host_net_devices[i]);
3487 void host_net_remove_completion(ReadLineState *rs, int nb_args, const char *str)
3489 NetClientState *ncs[MAX_QUEUE_NUM];
3493 readline_set_completion_index(rs, len);
3495 count = qemu_find_net_clients_except(NULL, ncs,
3496 NET_CLIENT_DRIVER_NONE,
3498 for (i = 0; i < MIN(count, MAX_QUEUE_NUM); i++) {
3502 if (net_hub_id_for_client(ncs[i], &id)) {
3505 snprintf(name, sizeof(name), "%d", id);
3506 if (!strncmp(str, name, len)) {
3507 readline_add_completion(rs, name);
3511 } else if (nb_args == 3) {
3512 count = qemu_find_net_clients_except(NULL, ncs,
3513 NET_CLIENT_DRIVER_NIC,
3515 for (i = 0; i < MIN(count, MAX_QUEUE_NUM); i++) {
3519 if (ncs[i]->info->type == NET_CLIENT_DRIVER_HUBPORT ||
3520 net_hub_id_for_client(ncs[i], &id)) {
3523 name = ncs[i]->name;
3524 if (!strncmp(str, name, len)) {
3525 readline_add_completion(rs, name);
3532 static void vm_completion(ReadLineState *rs, const char *str)
3535 BlockDriverState *bs;
3536 BdrvNextIterator it;
3539 readline_set_completion_index(rs, len);
3541 for (bs = bdrv_first(&it); bs; bs = bdrv_next(&it)) {
3542 SnapshotInfoList *snapshots, *snapshot;
3543 AioContext *ctx = bdrv_get_aio_context(bs);
3546 aio_context_acquire(ctx);
3547 if (bdrv_can_snapshot(bs)) {
3548 ok = bdrv_query_snapshot_info_list(bs, &snapshots, NULL) == 0;
3550 aio_context_release(ctx);
3555 snapshot = snapshots;
3557 char *completion = snapshot->value->name;
3558 if (!strncmp(str, completion, len)) {
3559 readline_add_completion(rs, completion);
3561 completion = snapshot->value->id;
3562 if (!strncmp(str, completion, len)) {
3563 readline_add_completion(rs, completion);
3565 snapshot = snapshot->next;
3567 qapi_free_SnapshotInfoList(snapshots);
3572 void delvm_completion(ReadLineState *rs, int nb_args, const char *str)
3575 vm_completion(rs, str);
3579 void loadvm_completion(ReadLineState *rs, int nb_args, const char *str)
3582 vm_completion(rs, str);
3586 static void monitor_find_completion_by_table(Monitor *mon,
3587 const mon_cmd_t *cmd_table,
3591 const char *cmdname;
3593 const char *ptype, *str, *name;
3594 const mon_cmd_t *cmd;
3595 BlockBackend *blk = NULL;
3598 /* command completion */
3603 readline_set_completion_index(mon->rs, strlen(cmdname));
3604 for (cmd = cmd_table; cmd->name != NULL; cmd++) {
3605 cmd_completion(mon, cmdname, cmd->name);
3608 /* find the command */
3609 for (cmd = cmd_table; cmd->name != NULL; cmd++) {
3610 if (compare_cmd(args[0], cmd->name)) {
3618 if (cmd->sub_table) {
3619 /* do the job again */
3620 monitor_find_completion_by_table(mon, cmd->sub_table,
3621 &args[1], nb_args - 1);
3624 if (cmd->command_completion) {
3625 cmd->command_completion(mon->rs, nb_args, args[nb_args - 1]);
3629 ptype = next_arg_type(cmd->args_type);
3630 for(i = 0; i < nb_args - 2; i++) {
3631 if (*ptype != '\0') {
3632 ptype = next_arg_type(ptype);
3633 while (*ptype == '?')
3634 ptype = next_arg_type(ptype);
3637 str = args[nb_args - 1];
3638 while (*ptype == '-' && ptype[1] != '\0') {
3639 ptype = next_arg_type(ptype);
3643 /* file completion */
3644 readline_set_completion_index(mon->rs, strlen(str));
3645 file_completion(mon, str);
3648 /* block device name completion */
3649 readline_set_completion_index(mon->rs, strlen(str));
3650 while ((blk = blk_next(blk)) != NULL) {
3651 name = blk_name(blk);
3652 if (str[0] == '\0' ||
3653 !strncmp(name, str, strlen(str))) {
3654 readline_add_completion(mon->rs, name);
3660 if (!strcmp(cmd->name, "help|?")) {
3661 monitor_find_completion_by_table(mon, cmd_table,
3662 &args[1], nb_args - 1);
3671 static void monitor_find_completion(void *opaque,
3672 const char *cmdline)
3674 Monitor *mon = opaque;
3675 char *args[MAX_ARGS];
3678 /* 1. parse the cmdline */
3679 if (parse_cmdline(cmdline, &nb_args, args) < 0) {
3683 /* if the line ends with a space, it means we want to complete the
3685 len = strlen(cmdline);
3686 if (len > 0 && qemu_isspace(cmdline[len - 1])) {
3687 if (nb_args >= MAX_ARGS) {
3690 args[nb_args++] = g_strdup("");
3693 /* 2. auto complete according to args */
3694 monitor_find_completion_by_table(mon, mon->cmd_table, args, nb_args);
3697 free_cmdline_args(args, nb_args);
3700 static int monitor_can_read(void *opaque)
3702 Monitor *mon = opaque;
3704 return (mon->suspend_cnt == 0) ? 1 : 0;
3707 static bool invalid_qmp_mode(const Monitor *mon, const char *cmd,
3710 bool is_cap = g_str_equal(cmd, "qmp_capabilities");
3712 if (is_cap && mon->qmp.in_command_mode) {
3713 error_set(errp, ERROR_CLASS_COMMAND_NOT_FOUND,
3714 "Capabilities negotiation is already complete, command "
3715 "'%s' ignored", cmd);
3718 if (!is_cap && !mon->qmp.in_command_mode) {
3719 error_set(errp, ERROR_CLASS_COMMAND_NOT_FOUND,
3720 "Expecting capabilities negotiation with "
3721 "'qmp_capabilities' before command '%s'", cmd);
3728 * Argument validation rules:
3730 * 1. The argument must exist in cmd_args qdict
3731 * 2. The argument type must be the expected one
3733 * Special case: If the argument doesn't exist in cmd_args and
3734 * the QMP_ACCEPT_UNKNOWNS flag is set, then the
3735 * checking is skipped for it.
3737 static void check_client_args_type(const QDict *client_args,
3738 const QDict *cmd_args, int flags,
3741 const QDictEntry *ent;
3743 for (ent = qdict_first(client_args); ent;ent = qdict_next(client_args,ent)){
3746 const QObject *client_arg = qdict_entry_value(ent);
3747 const char *client_arg_name = qdict_entry_key(ent);
3749 obj = qdict_get(cmd_args, client_arg_name);
3751 if (flags & QMP_ACCEPT_UNKNOWNS) {
3752 /* handler accepts unknowns */
3755 /* client arg doesn't exist */
3756 error_setg(errp, QERR_INVALID_PARAMETER, client_arg_name);
3760 arg_type = qobject_to_qstring(obj);
3761 assert(arg_type != NULL);
3763 /* check if argument's type is correct */
3764 switch (qstring_get_str(arg_type)[0]) {
3768 if (qobject_type(client_arg) != QTYPE_QSTRING) {
3769 error_setg(errp, QERR_INVALID_PARAMETER_TYPE,
3770 client_arg_name, "string");
3778 if (qobject_type(client_arg) != QTYPE_QINT) {
3779 error_setg(errp, QERR_INVALID_PARAMETER_TYPE,
3780 client_arg_name, "int");
3785 if (qobject_type(client_arg) != QTYPE_QINT &&
3786 qobject_type(client_arg) != QTYPE_QFLOAT) {
3787 error_setg(errp, QERR_INVALID_PARAMETER_TYPE,
3788 client_arg_name, "number");
3794 if (qobject_type(client_arg) != QTYPE_QBOOL) {
3795 error_setg(errp, QERR_INVALID_PARAMETER_TYPE,
3796 client_arg_name, "bool");
3801 assert(flags & QMP_ACCEPT_UNKNOWNS);
3804 /* Any QObject can be passed. */
3809 * These types are not supported by QMP and thus are not
3810 * handled here. Fall through.
3819 * - Check if the client has passed all mandatory args
3820 * - Set special flags for argument validation
3822 static void check_mandatory_args(const QDict *cmd_args,
3823 const QDict *client_args, int *flags,
3826 const QDictEntry *ent;
3828 for (ent = qdict_first(cmd_args); ent; ent = qdict_next(cmd_args, ent)) {
3829 const char *cmd_arg_name = qdict_entry_key(ent);
3830 QString *type = qobject_to_qstring(qdict_entry_value(ent));
3831 assert(type != NULL);
3833 if (qstring_get_str(type)[0] == 'O') {
3834 assert((*flags & QMP_ACCEPT_UNKNOWNS) == 0);
3835 *flags |= QMP_ACCEPT_UNKNOWNS;
3836 } else if (qstring_get_str(type)[0] != '-' &&
3837 qstring_get_str(type)[1] != '?' &&
3838 !qdict_haskey(client_args, cmd_arg_name)) {
3839 error_setg(errp, QERR_MISSING_PARAMETER, cmd_arg_name);
3845 static QDict *qdict_from_args_type(const char *args_type)
3849 QString *key, *type, *cur_qs;
3851 assert(args_type != NULL);
3853 qdict = qdict_new();
3855 if (args_type == NULL || args_type[0] == '\0') {
3856 /* no args, empty qdict */
3860 key = qstring_new();
3861 type = qstring_new();
3866 switch (args_type[i]) {
3869 qdict_put(qdict, qstring_get_str(key), type);
3871 if (args_type[i] == '\0') {
3874 type = qstring_new(); /* qdict has ref */
3875 cur_qs = key = qstring_new();
3881 qstring_append_chr(cur_qs, args_type[i]);
3891 * Client argument checking rules:
3893 * 1. Client must provide all mandatory arguments
3894 * 2. Each argument provided by the client must be expected
3895 * 3. Each argument provided by the client must have the type expected
3898 static void qmp_check_client_args(const mon_cmd_t *cmd, QDict *client_args,
3905 cmd_args = qdict_from_args_type(cmd->args_type);
3908 check_mandatory_args(cmd_args, client_args, &flags, &err);
3913 check_client_args_type(client_args, cmd_args, flags, &err);
3916 error_propagate(errp, err);
3921 * Input object checking rules
3923 * 1. Input object must be a dict
3924 * 2. The "execute" key must exist
3925 * 3. The "execute" key must be a string
3926 * 4. If the "arguments" key exists, it must be a dict
3927 * 5. If the "id" key exists, it can be anything (ie. json-value)
3928 * 6. Any argument not listed above is considered invalid
3930 static QDict *qmp_check_input_obj(QObject *input_obj, Error **errp)
3932 const QDictEntry *ent;
3933 int has_exec_key = 0;
3936 if (qobject_type(input_obj) != QTYPE_QDICT) {
3937 error_setg(errp, QERR_QMP_BAD_INPUT_OBJECT, "object");
3941 input_dict = qobject_to_qdict(input_obj);
3943 for (ent = qdict_first(input_dict); ent; ent = qdict_next(input_dict, ent)){
3944 const char *arg_name = qdict_entry_key(ent);
3945 const QObject *arg_obj = qdict_entry_value(ent);
3947 if (!strcmp(arg_name, "execute")) {
3948 if (qobject_type(arg_obj) != QTYPE_QSTRING) {
3949 error_setg(errp, QERR_QMP_BAD_INPUT_OBJECT_MEMBER,
3950 "execute", "string");
3954 } else if (!strcmp(arg_name, "arguments")) {
3955 if (qobject_type(arg_obj) != QTYPE_QDICT) {
3956 error_setg(errp, QERR_QMP_BAD_INPUT_OBJECT_MEMBER,
3957 "arguments", "object");
3960 } else if (!strcmp(arg_name, "id")) {
3961 /* Any string is acceptable as "id", so nothing to check */
3963 error_setg(errp, QERR_QMP_EXTRA_MEMBER, arg_name);
3968 if (!has_exec_key) {
3969 error_setg(errp, QERR_QMP_BAD_INPUT_OBJECT, "execute");
3976 static void handle_qmp_command(JSONMessageParser *parser, GQueue *tokens)
3978 Error *local_err = NULL;
3979 QObject *obj, *data;
3980 QDict *input, *args;
3981 const mon_cmd_t *cmd;
3983 const char *cmd_name;
3984 Monitor *mon = cur_mon;
3986 args = input = NULL;
3989 obj = json_parser_parse(tokens, NULL);
3991 // FIXME: should be triggered in json_parser_parse()
3992 error_setg(&local_err, QERR_JSON_PARSING);
3996 input = qmp_check_input_obj(obj, &local_err);
3998 qobject_decref(obj);
4002 mon->qmp.id = qdict_get(input, "id");
4003 qobject_incref(mon->qmp.id);
4005 cmd_name = qdict_get_str(input, "execute");
4006 trace_handle_qmp_command(mon, cmd_name);
4007 cmd = qmp_find_cmd(cmd_name);
4008 qcmd = qmp_find_command(cmd_name);
4009 if (!qcmd || !cmd) {
4010 error_set(&local_err, ERROR_CLASS_COMMAND_NOT_FOUND,
4011 "The command %s has not been found", cmd_name);
4014 if (invalid_qmp_mode(mon, cmd_name, &local_err)) {
4018 obj = qdict_get(input, "arguments");
4022 args = qobject_to_qdict(obj);
4026 qmp_check_client_args(cmd, args, &local_err);
4031 qcmd->fn(args, &data, &local_err);
4034 monitor_protocol_emitter(mon, data, local_err);
4035 qobject_decref(data);
4036 error_free(local_err);
4041 static void monitor_qmp_read(void *opaque, const uint8_t *buf, int size)
4043 Monitor *old_mon = cur_mon;
4047 json_message_parser_feed(&cur_mon->qmp.parser, (const char *) buf, size);
4052 static void monitor_read(void *opaque, const uint8_t *buf, int size)
4054 Monitor *old_mon = cur_mon;
4060 for (i = 0; i < size; i++)
4061 readline_handle_byte(cur_mon->rs, buf[i]);
4063 if (size == 0 || buf[size - 1] != 0)
4064 monitor_printf(cur_mon, "corrupted command\n");
4066 handle_hmp_command(cur_mon, (char *)buf);
4072 static void monitor_command_cb(void *opaque, const char *cmdline,
4073 void *readline_opaque)
4075 Monitor *mon = opaque;
4077 monitor_suspend(mon);
4078 handle_hmp_command(mon, cmdline);
4079 monitor_resume(mon);
4082 int monitor_suspend(Monitor *mon)
4090 void monitor_resume(Monitor *mon)
4094 if (--mon->suspend_cnt == 0)
4095 readline_show_prompt(mon->rs);
4098 static QObject *get_qmp_greeting(void)
4100 QObject *ver = NULL;
4102 qmp_marshal_query_version(NULL, &ver, NULL);
4104 return qobject_from_jsonf("{'QMP': {'version': %p, 'capabilities': []}}",
4108 static void monitor_qmp_event(void *opaque, int event)
4111 Monitor *mon = opaque;
4114 case CHR_EVENT_OPENED:
4115 mon->qmp.in_command_mode = false;
4116 data = get_qmp_greeting();
4117 monitor_json_emitter(mon, data);
4118 qobject_decref(data);
4121 case CHR_EVENT_CLOSED:
4122 json_message_parser_destroy(&mon->qmp.parser);
4123 json_message_parser_init(&mon->qmp.parser, handle_qmp_command);
4125 monitor_fdsets_cleanup();
4130 static void monitor_event(void *opaque, int event)
4132 Monitor *mon = opaque;
4135 case CHR_EVENT_MUX_IN:
4136 qemu_mutex_lock(&mon->out_lock);
4138 qemu_mutex_unlock(&mon->out_lock);
4139 if (mon->reset_seen) {
4140 readline_restart(mon->rs);
4141 monitor_resume(mon);
4144 mon->suspend_cnt = 0;
4148 case CHR_EVENT_MUX_OUT:
4149 if (mon->reset_seen) {
4150 if (mon->suspend_cnt == 0) {
4151 monitor_printf(mon, "\n");
4154 monitor_suspend(mon);
4158 qemu_mutex_lock(&mon->out_lock);
4160 qemu_mutex_unlock(&mon->out_lock);
4163 case CHR_EVENT_OPENED:
4164 monitor_printf(mon, "QEMU %s monitor - type 'help' for more "
4165 "information\n", QEMU_VERSION);
4166 if (!mon->mux_out) {
4167 readline_restart(mon->rs);
4168 readline_show_prompt(mon->rs);
4170 mon->reset_seen = 1;
4174 case CHR_EVENT_CLOSED:
4176 monitor_fdsets_cleanup();
4182 compare_mon_cmd(const void *a, const void *b)
4184 return strcmp(((const mon_cmd_t *)a)->name,
4185 ((const mon_cmd_t *)b)->name);
4188 static void sortcmdlist(void)
4191 int elem_size = sizeof(mon_cmd_t);
4193 array_num = sizeof(mon_cmds)/elem_size-1;
4194 qsort((void *)mon_cmds, array_num, elem_size, compare_mon_cmd);
4196 array_num = sizeof(info_cmds)/elem_size-1;
4197 qsort((void *)info_cmds, array_num, elem_size, compare_mon_cmd);
4200 /* These functions just adapt the readline interface in a typesafe way. We
4201 * could cast function pointers but that discards compiler checks.
4203 static void GCC_FMT_ATTR(2, 3) monitor_readline_printf(void *opaque,
4204 const char *fmt, ...)
4208 monitor_vprintf(opaque, fmt, ap);
4212 static void monitor_readline_flush(void *opaque)
4214 monitor_flush(opaque);
4217 static void __attribute__((constructor)) monitor_lock_init(void)
4219 qemu_mutex_init(&monitor_lock);
4222 void monitor_init(CharDriverState *chr, int flags)
4224 static int is_first_init = 1;
4227 if (is_first_init) {
4228 monitor_qapi_event_init();
4233 mon = g_malloc(sizeof(*mon));
4234 monitor_data_init(mon);
4238 if (flags & MONITOR_USE_READLINE) {
4239 mon->rs = readline_init(monitor_readline_printf,
4240 monitor_readline_flush,
4242 monitor_find_completion);
4243 monitor_read_command(mon, 0);
4246 if (monitor_is_qmp(mon)) {
4247 qemu_chr_add_handlers(chr, monitor_can_read, monitor_qmp_read,
4248 monitor_qmp_event, mon);
4249 qemu_chr_fe_set_echo(chr, true);
4250 json_message_parser_init(&mon->qmp.parser, handle_qmp_command);
4252 qemu_chr_add_handlers(chr, monitor_can_read, monitor_read,
4253 monitor_event, mon);
4256 qemu_mutex_lock(&monitor_lock);
4257 QLIST_INSERT_HEAD(&mon_list, mon, entry);
4258 qemu_mutex_unlock(&monitor_lock);
4261 void monitor_cleanup(void)
4263 Monitor *mon, *next;
4265 qemu_mutex_lock(&monitor_lock);
4266 QLIST_FOREACH_SAFE(mon, &mon_list, entry, next) {
4267 QLIST_REMOVE(mon, entry);
4268 monitor_data_destroy(mon);
4271 qemu_mutex_unlock(&monitor_lock);
4274 static void bdrv_password_cb(void *opaque, const char *password,
4275 void *readline_opaque)
4277 Monitor *mon = opaque;
4278 BlockDriverState *bs = readline_opaque;
4280 Error *local_err = NULL;
4282 bdrv_add_key(bs, password, &local_err);
4284 error_report_err(local_err);
4287 if (mon->password_completion_cb)
4288 mon->password_completion_cb(mon->password_opaque, ret);
4290 monitor_read_command(mon, 1);
4293 int monitor_read_bdrv_key_start(Monitor *mon, BlockDriverState *bs,
4294 BlockCompletionFunc *completion_cb,
4299 monitor_printf(mon, "%s (%s) is encrypted.\n", bdrv_get_device_name(bs),
4300 bdrv_get_encrypted_filename(bs));
4302 mon->password_completion_cb = completion_cb;
4303 mon->password_opaque = opaque;
4305 err = monitor_read_password(mon, bdrv_password_cb, bs);
4307 if (err && completion_cb)
4308 completion_cb(opaque, err);
4313 int monitor_read_block_device_key(Monitor *mon, const char *device,
4314 BlockCompletionFunc *completion_cb,
4320 blk = blk_by_name(device);
4322 monitor_printf(mon, "Device not found %s\n", device);
4326 monitor_printf(mon, "Device '%s' has no medium\n", device);
4330 bdrv_add_key(blk_bs(blk), NULL, &err);
4333 return monitor_read_bdrv_key_start(mon, blk_bs(blk), completion_cb, opaque);
4336 if (completion_cb) {
4337 completion_cb(opaque, 0);
4342 QemuOptsList qemu_mon_opts = {
4344 .implied_opt_name = "chardev",
4345 .head = QTAILQ_HEAD_INITIALIZER(qemu_mon_opts.head),
4349 .type = QEMU_OPT_STRING,
4352 .type = QEMU_OPT_STRING,
4355 .type = QEMU_OPT_BOOL,
4358 .type = QEMU_OPT_BOOL,
4360 { /* end of list */ }
4365 void qmp_rtc_reset_reinjection(Error **errp)
4367 error_setg(errp, QERR_FEATURE_DISABLED, "rtc-reset-reinjection");
4371 #ifndef TARGET_S390X
4372 void qmp_dump_skeys(const char *filename, Error **errp)
4374 error_setg(errp, QERR_FEATURE_DISABLED, "dump-skeys");
4379 GICCapabilityList *qmp_query_gic_capabilities(Error **errp)
4381 error_setg(errp, QERR_FEATURE_DISABLED, "query-gic-capabilities");
4386 HotpluggableCPUList *qmp_query_hotpluggable_cpus(Error **errp)
4388 MachineState *ms = MACHINE(qdev_get_machine());
4389 MachineClass *mc = MACHINE_GET_CLASS(ms);
4391 if (!mc->query_hotpluggable_cpus) {
4392 error_setg(errp, QERR_FEATURE_DISABLED, "query-hotpluggable-cpus");
4396 return mc->query_hotpluggable_cpus(ms);