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"
83 /* for hmp_info_irq/pic */
84 #if defined(TARGET_SPARC)
85 #include "hw/sparc/sun4m.h"
87 #include "hw/lm32/lm32_pic.h"
89 #if defined(TARGET_S390X)
90 #include "hw/s390x/storage-keys.h"
97 * 'B' block device name
98 * 's' string (accept optional quote)
99 * 'S' it just appends the rest of the string (accept optional quote)
100 * 'O' option string of the form NAME=VALUE,...
101 * parsed according to QemuOptsList given by its name
102 * Example: 'device:O' uses qemu_device_opts.
103 * Restriction: only lists with empty desc are supported
104 * TODO lift the restriction
106 * 'l' target long (32 or 64 bit)
107 * 'M' Non-negative target long (32 or 64 bit), in user mode the
108 * value is multiplied by 2^20 (think Mebibyte)
109 * 'o' octets (aka bytes)
110 * user mode accepts an optional E, e, P, p, T, t, G, g, M, m,
111 * K, k suffix, which multiplies the value by 2^60 for suffixes E
112 * and e, 2^50 for suffixes P and p, 2^40 for suffixes T and t,
113 * 2^30 for suffixes G and g, 2^20 for M and m, 2^10 for K and k
115 * user mode accepts an optional ms, us, ns suffix,
116 * which divides the value by 1e3, 1e6, 1e9, respectively
117 * '/' optional gdb-like print format (like "/10x")
119 * '?' optional type (for all types, except '/')
120 * '.' other form of optional type (for 'i' and 'l')
122 * user mode accepts "on" or "off"
123 * '-' optional parameter (eg. '-f')
127 typedef struct mon_cmd_t {
129 const char *args_type;
133 void (*cmd)(Monitor *mon, const QDict *qdict);
134 void (*cmd_new)(QDict *params, QObject **ret_data, Error **errp);
136 /* @sub_table is a list of 2nd level of commands. If it do not exist,
137 * mhandler should be used. If it exist, sub_table[?].mhandler should be
138 * used, and mhandler of 1st level plays the role of help function.
140 struct mon_cmd_t *sub_table;
141 void (*command_completion)(ReadLineState *rs, int nb_args, const char *str);
144 /* file descriptors passed via SCM_RIGHTS */
145 typedef struct mon_fd_t mon_fd_t;
149 QLIST_ENTRY(mon_fd_t) next;
152 /* file descriptor associated with a file descriptor set */
153 typedef struct MonFdsetFd MonFdsetFd;
158 QLIST_ENTRY(MonFdsetFd) next;
161 /* file descriptor set containing fds passed via SCM_RIGHTS */
162 typedef struct MonFdset MonFdset;
165 QLIST_HEAD(, MonFdsetFd) fds;
166 QLIST_HEAD(, MonFdsetFd) dup_fds;
167 QLIST_ENTRY(MonFdset) next;
172 JSONMessageParser parser;
174 * When a client connects, we're in capabilities negotiation mode.
175 * When command qmp_capabilities succeeds, we go into command
178 bool in_command_mode; /* are we in command mode? */
182 * To prevent flooding clients, events can be throttled. The
183 * throttling is calculated globally, rather than per-Monitor
186 typedef struct MonitorQAPIEventState {
187 QAPIEvent event; /* Throttling state for this event type and... */
188 QDict *data; /* ... data, see qapi_event_throttle_equal() */
189 QEMUTimer *timer; /* Timer for handling delayed events */
190 QDict *qdict; /* Delayed event (if any) */
191 } MonitorQAPIEventState;
194 int64_t rate; /* Minimum time (in ns) between two events */
195 } MonitorQAPIEventConf;
198 CharDriverState *chr;
208 /* Read under either BQL or out_lock, written with BQL+out_lock. */
214 BlockCompletionFunc *password_completion_cb;
215 void *password_opaque;
216 mon_cmd_t *cmd_table;
217 QLIST_HEAD(,mon_fd_t) fds;
218 QLIST_ENTRY(Monitor) entry;
221 /* QMP checker flags */
222 #define QMP_ACCEPT_UNKNOWNS 1
224 /* Protects mon_list, monitor_event_state. */
225 static QemuMutex monitor_lock;
227 static QLIST_HEAD(mon_list, Monitor) mon_list;
228 static QLIST_HEAD(mon_fdsets, MonFdset) mon_fdsets;
229 static int mon_refcount;
231 static mon_cmd_t mon_cmds[];
232 static mon_cmd_t info_cmds[];
234 static const mon_cmd_t qmp_cmds[];
238 static QEMUClockType event_clock_type = QEMU_CLOCK_REALTIME;
240 static void monitor_command_cb(void *opaque, const char *cmdline,
241 void *readline_opaque);
244 * Is @mon a QMP monitor?
246 static inline bool monitor_is_qmp(const Monitor *mon)
248 return (mon->flags & MONITOR_USE_CONTROL);
252 * Is the current monitor, if any, a QMP monitor?
254 bool monitor_cur_is_qmp(void)
256 return cur_mon && monitor_is_qmp(cur_mon);
259 void monitor_read_command(Monitor *mon, int show_prompt)
264 readline_start(mon->rs, "(qemu) ", 0, monitor_command_cb, NULL);
266 readline_show_prompt(mon->rs);
269 int monitor_read_password(Monitor *mon, ReadLineFunc *readline_func,
273 readline_start(mon->rs, "Password: ", 1, readline_func, opaque);
274 /* prompt is printed on return from the command handler */
277 monitor_printf(mon, "terminal does not support password prompting\n");
282 static void monitor_flush_locked(Monitor *mon);
284 static gboolean monitor_unblocked(GIOChannel *chan, GIOCondition cond,
287 Monitor *mon = opaque;
289 qemu_mutex_lock(&mon->out_lock);
291 monitor_flush_locked(mon);
292 qemu_mutex_unlock(&mon->out_lock);
296 /* Called with mon->out_lock held. */
297 static void monitor_flush_locked(Monitor *mon)
303 if (mon->skip_flush) {
307 buf = qstring_get_str(mon->outbuf);
308 len = qstring_get_length(mon->outbuf);
310 if (len && !mon->mux_out) {
311 rc = qemu_chr_fe_write(mon->chr, (const uint8_t *) buf, len);
312 if ((rc < 0 && errno != EAGAIN) || (rc == len)) {
313 /* all flushed or error */
314 QDECREF(mon->outbuf);
315 mon->outbuf = qstring_new();
320 QString *tmp = qstring_from_str(buf + rc);
321 QDECREF(mon->outbuf);
324 if (mon->out_watch == 0) {
325 mon->out_watch = qemu_chr_fe_add_watch(mon->chr, G_IO_OUT|G_IO_HUP,
326 monitor_unblocked, mon);
331 void monitor_flush(Monitor *mon)
333 qemu_mutex_lock(&mon->out_lock);
334 monitor_flush_locked(mon);
335 qemu_mutex_unlock(&mon->out_lock);
338 /* flush at every end of line */
339 static void monitor_puts(Monitor *mon, const char *str)
343 qemu_mutex_lock(&mon->out_lock);
349 qstring_append_chr(mon->outbuf, '\r');
351 qstring_append_chr(mon->outbuf, c);
353 monitor_flush_locked(mon);
356 qemu_mutex_unlock(&mon->out_lock);
359 void monitor_vprintf(Monitor *mon, const char *fmt, va_list ap)
366 if (monitor_is_qmp(mon)) {
370 buf = g_strdup_vprintf(fmt, ap);
371 monitor_puts(mon, buf);
375 void monitor_printf(Monitor *mon, const char *fmt, ...)
379 monitor_vprintf(mon, fmt, ap);
383 int monitor_fprintf(FILE *stream, const char *fmt, ...)
387 monitor_vprintf((Monitor *)stream, fmt, ap);
392 static void monitor_json_emitter(Monitor *mon, const QObject *data)
396 json = mon->flags & MONITOR_USE_PRETTY ? qobject_to_json_pretty(data) :
397 qobject_to_json(data);
398 assert(json != NULL);
400 qstring_append_chr(json, '\n');
401 monitor_puts(mon, qstring_get_str(json));
406 static QDict *build_qmp_error_dict(Error *err)
410 obj = qobject_from_jsonf("{ 'error': { 'class': %s, 'desc': %s } }",
411 QapiErrorClass_lookup[error_get_class(err)],
412 error_get_pretty(err));
414 return qobject_to_qdict(obj);
417 static void monitor_protocol_emitter(Monitor *mon, QObject *data,
422 trace_monitor_protocol_emitter(mon);
425 /* success response */
428 qobject_incref(data);
429 qdict_put_obj(qmp, "return", data);
431 /* return an empty QDict by default */
432 qdict_put(qmp, "return", qdict_new());
436 qmp = build_qmp_error_dict(err);
440 qdict_put_obj(qmp, "id", mon->qmp.id);
444 monitor_json_emitter(mon, QOBJECT(qmp));
449 static MonitorQAPIEventConf monitor_qapi_event_conf[QAPI_EVENT__MAX] = {
450 /* Limit guest-triggerable events to 1 per second */
451 [QAPI_EVENT_RTC_CHANGE] = { 1000 * SCALE_MS },
452 [QAPI_EVENT_WATCHDOG] = { 1000 * SCALE_MS },
453 [QAPI_EVENT_BALLOON_CHANGE] = { 1000 * SCALE_MS },
454 [QAPI_EVENT_QUORUM_REPORT_BAD] = { 1000 * SCALE_MS },
455 [QAPI_EVENT_QUORUM_FAILURE] = { 1000 * SCALE_MS },
456 [QAPI_EVENT_VSERPORT_CHANGE] = { 1000 * SCALE_MS },
459 GHashTable *monitor_qapi_event_state;
462 * Emits the event to every monitor instance, @event is only used for trace
463 * Called with monitor_lock held.
465 static void monitor_qapi_event_emit(QAPIEvent event, QDict *qdict)
469 trace_monitor_protocol_event_emit(event, qdict);
470 QLIST_FOREACH(mon, &mon_list, entry) {
471 if (monitor_is_qmp(mon) && mon->qmp.in_command_mode) {
472 monitor_json_emitter(mon, QOBJECT(qdict));
477 static void monitor_qapi_event_handler(void *opaque);
480 * Queue a new event for emission to Monitor instances,
481 * applying any rate limiting if required.
484 monitor_qapi_event_queue(QAPIEvent event, QDict *qdict, Error **errp)
486 MonitorQAPIEventConf *evconf;
487 MonitorQAPIEventState *evstate;
489 assert(event < QAPI_EVENT__MAX);
490 evconf = &monitor_qapi_event_conf[event];
491 trace_monitor_protocol_event_queue(event, qdict, evconf->rate);
493 qemu_mutex_lock(&monitor_lock);
496 /* Unthrottled event */
497 monitor_qapi_event_emit(event, qdict);
499 QDict *data = qobject_to_qdict(qdict_get(qdict, "data"));
500 MonitorQAPIEventState key = { .event = event, .data = data };
502 evstate = g_hash_table_lookup(monitor_qapi_event_state, &key);
503 assert(!evstate || timer_pending(evstate->timer));
507 * Timer is pending for (at least) evconf->rate ns after
508 * last send. Store event for sending when timer fires,
509 * replacing a prior stored event if any.
511 QDECREF(evstate->qdict);
512 evstate->qdict = qdict;
513 QINCREF(evstate->qdict);
516 * Last send was (at least) evconf->rate ns ago.
517 * Send immediately, and arm the timer to call
518 * monitor_qapi_event_handler() in evconf->rate ns. Any
519 * events arriving before then will be delayed until then.
521 int64_t now = qemu_clock_get_ns(event_clock_type);
523 monitor_qapi_event_emit(event, qdict);
525 evstate = g_new(MonitorQAPIEventState, 1);
526 evstate->event = event;
527 evstate->data = data;
528 QINCREF(evstate->data);
529 evstate->qdict = NULL;
530 evstate->timer = timer_new_ns(event_clock_type,
531 monitor_qapi_event_handler,
533 g_hash_table_add(monitor_qapi_event_state, evstate);
534 timer_mod_ns(evstate->timer, now + evconf->rate);
538 qemu_mutex_unlock(&monitor_lock);
542 * This function runs evconf->rate ns after sending a throttled
544 * If another event has since been stored, send it.
546 static void monitor_qapi_event_handler(void *opaque)
548 MonitorQAPIEventState *evstate = opaque;
549 MonitorQAPIEventConf *evconf = &monitor_qapi_event_conf[evstate->event];
551 trace_monitor_protocol_event_handler(evstate->event, evstate->qdict);
552 qemu_mutex_lock(&monitor_lock);
554 if (evstate->qdict) {
555 int64_t now = qemu_clock_get_ns(event_clock_type);
557 monitor_qapi_event_emit(evstate->event, evstate->qdict);
558 QDECREF(evstate->qdict);
559 evstate->qdict = NULL;
560 timer_mod_ns(evstate->timer, now + evconf->rate);
562 g_hash_table_remove(monitor_qapi_event_state, evstate);
563 QDECREF(evstate->data);
564 timer_free(evstate->timer);
568 qemu_mutex_unlock(&monitor_lock);
571 static unsigned int qapi_event_throttle_hash(const void *key)
573 const MonitorQAPIEventState *evstate = key;
574 unsigned int hash = evstate->event * 255;
576 if (evstate->event == QAPI_EVENT_VSERPORT_CHANGE) {
577 hash += g_str_hash(qdict_get_str(evstate->data, "id"));
580 if (evstate->event == QAPI_EVENT_QUORUM_REPORT_BAD) {
581 hash += g_str_hash(qdict_get_str(evstate->data, "node-name"));
587 static gboolean qapi_event_throttle_equal(const void *a, const void *b)
589 const MonitorQAPIEventState *eva = a;
590 const MonitorQAPIEventState *evb = b;
592 if (eva->event != evb->event) {
596 if (eva->event == QAPI_EVENT_VSERPORT_CHANGE) {
597 return !strcmp(qdict_get_str(eva->data, "id"),
598 qdict_get_str(evb->data, "id"));
601 if (eva->event == QAPI_EVENT_QUORUM_REPORT_BAD) {
602 return !strcmp(qdict_get_str(eva->data, "node-name"),
603 qdict_get_str(evb->data, "node-name"));
609 static void monitor_qapi_event_init(void)
611 if (qtest_enabled()) {
612 event_clock_type = QEMU_CLOCK_VIRTUAL;
615 monitor_qapi_event_state = g_hash_table_new(qapi_event_throttle_hash,
616 qapi_event_throttle_equal);
617 qmp_event_set_func_emit(monitor_qapi_event_queue);
620 static void qmp_capabilities(QDict *params, QObject **ret_data, Error **errp)
622 cur_mon->qmp.in_command_mode = true;
625 static void handle_hmp_command(Monitor *mon, const char *cmdline);
627 static void monitor_data_init(Monitor *mon)
629 memset(mon, 0, sizeof(Monitor));
630 qemu_mutex_init(&mon->out_lock);
631 mon->outbuf = qstring_new();
632 /* Use *mon_cmds by default. */
633 mon->cmd_table = mon_cmds;
636 static void monitor_data_destroy(Monitor *mon)
638 QDECREF(mon->outbuf);
639 qemu_mutex_destroy(&mon->out_lock);
642 char *qmp_human_monitor_command(const char *command_line, bool has_cpu_index,
643 int64_t cpu_index, Error **errp)
646 Monitor *old_mon, hmp;
648 monitor_data_init(&hmp);
649 hmp.skip_flush = true;
655 int ret = monitor_set_cpu(cpu_index);
658 error_setg(errp, QERR_INVALID_PARAMETER_VALUE, "cpu-index",
664 handle_hmp_command(&hmp, command_line);
667 qemu_mutex_lock(&hmp.out_lock);
668 if (qstring_get_length(hmp.outbuf) > 0) {
669 output = g_strdup(qstring_get_str(hmp.outbuf));
671 output = g_strdup("");
673 qemu_mutex_unlock(&hmp.out_lock);
676 monitor_data_destroy(&hmp);
680 static int compare_cmd(const char *name, const char *list)
682 const char *p, *pstart;
690 p = pstart + strlen(pstart);
691 if ((p - pstart) == len && !memcmp(pstart, name, len))
700 static int get_str(char *buf, int buf_size, const char **pp)
708 while (qemu_isspace(*p)) {
719 while (*p != '\0' && *p != '\"') {
735 printf("unsupported escape code: '\\%c'\n", c);
738 if ((q - buf) < buf_size - 1) {
742 if ((q - buf) < buf_size - 1) {
749 printf("unterminated string\n");
754 while (*p != '\0' && !qemu_isspace(*p)) {
755 if ((q - buf) < buf_size - 1) {
768 static void free_cmdline_args(char **args, int nb_args)
772 assert(nb_args <= MAX_ARGS);
774 for (i = 0; i < nb_args; i++) {
781 * Parse the command line to get valid args.
782 * @cmdline: command line to be parsed.
783 * @pnb_args: location to store the number of args, must NOT be NULL.
784 * @args: location to store the args, which should be freed by caller, must
787 * Returns 0 on success, negative on failure.
789 * NOTE: this parser is an approximate form of the real command parser. Number
790 * of args have a limit of MAX_ARGS. If cmdline contains more, it will
791 * return with failure.
793 static int parse_cmdline(const char *cmdline,
794 int *pnb_args, char **args)
803 while (qemu_isspace(*p)) {
809 if (nb_args >= MAX_ARGS) {
812 ret = get_str(buf, sizeof(buf), &p);
816 args[nb_args] = g_strdup(buf);
823 free_cmdline_args(args, nb_args);
827 static void help_cmd_dump_one(Monitor *mon,
828 const mon_cmd_t *cmd,
834 for (i = 0; i < prefix_args_nb; i++) {
835 monitor_printf(mon, "%s ", prefix_args[i]);
837 monitor_printf(mon, "%s %s -- %s\n", cmd->name, cmd->params, cmd->help);
840 /* @args[@arg_index] is the valid command need to find in @cmds */
841 static void help_cmd_dump(Monitor *mon, const mon_cmd_t *cmds,
842 char **args, int nb_args, int arg_index)
844 const mon_cmd_t *cmd;
846 /* No valid arg need to compare with, dump all in *cmds */
847 if (arg_index >= nb_args) {
848 for (cmd = cmds; cmd->name != NULL; cmd++) {
849 help_cmd_dump_one(mon, cmd, args, arg_index);
854 /* Find one entry to dump */
855 for (cmd = cmds; cmd->name != NULL; cmd++) {
856 if (compare_cmd(args[arg_index], cmd->name)) {
857 if (cmd->sub_table) {
858 /* continue with next arg */
859 help_cmd_dump(mon, cmd->sub_table,
860 args, nb_args, arg_index + 1);
862 help_cmd_dump_one(mon, cmd, args, arg_index);
869 static void help_cmd(Monitor *mon, const char *name)
871 char *args[MAX_ARGS];
874 /* 1. parse user input */
876 /* special case for log, directly dump and return */
877 if (!strcmp(name, "log")) {
878 const QEMULogItem *item;
879 monitor_printf(mon, "Log items (comma separated):\n");
880 monitor_printf(mon, "%-10s %s\n", "none", "remove all logs");
881 for (item = qemu_log_items; item->mask != 0; item++) {
882 monitor_printf(mon, "%-10s %s\n", item->name, item->help);
887 if (parse_cmdline(name, &nb_args, args) < 0) {
892 /* 2. dump the contents according to parsed args */
893 help_cmd_dump(mon, mon->cmd_table, args, nb_args, 0);
895 free_cmdline_args(args, nb_args);
898 static void do_help_cmd(Monitor *mon, const QDict *qdict)
900 help_cmd(mon, qdict_get_try_str(qdict, "name"));
903 static void hmp_trace_event(Monitor *mon, const QDict *qdict)
905 const char *tp_name = qdict_get_str(qdict, "name");
906 bool new_state = qdict_get_bool(qdict, "option");
907 bool has_vcpu = qdict_haskey(qdict, "vcpu");
908 int vcpu = qdict_get_try_int(qdict, "vcpu", 0);
909 Error *local_err = NULL;
912 monitor_printf(mon, "argument vcpu must be positive");
916 qmp_trace_event_set_state(tp_name, new_state, true, true, has_vcpu, vcpu, &local_err);
918 error_report_err(local_err);
922 #ifdef CONFIG_TRACE_SIMPLE
923 static void hmp_trace_file(Monitor *mon, const QDict *qdict)
925 const char *op = qdict_get_try_str(qdict, "op");
926 const char *arg = qdict_get_try_str(qdict, "arg");
929 st_print_trace_file_status((FILE *)mon, &monitor_fprintf);
930 } else if (!strcmp(op, "on")) {
931 st_set_trace_file_enabled(true);
932 } else if (!strcmp(op, "off")) {
933 st_set_trace_file_enabled(false);
934 } else if (!strcmp(op, "flush")) {
935 st_flush_trace_buffer();
936 } else if (!strcmp(op, "set")) {
938 st_set_trace_file(arg);
941 monitor_printf(mon, "unexpected argument \"%s\"\n", op);
942 help_cmd(mon, "trace-file");
947 static void hmp_info_help(Monitor *mon, const QDict *qdict)
949 help_cmd(mon, "info");
952 CommandInfoList *qmp_query_commands(Error **errp)
954 CommandInfoList *info, *cmd_list = NULL;
955 const mon_cmd_t *cmd;
957 for (cmd = qmp_cmds; cmd->name != NULL; cmd++) {
958 info = g_malloc0(sizeof(*info));
959 info->value = g_malloc0(sizeof(*info->value));
960 info->value->name = g_strdup(cmd->name);
962 info->next = cmd_list;
969 EventInfoList *qmp_query_events(Error **errp)
971 EventInfoList *info, *ev_list = NULL;
974 for (e = 0 ; e < QAPI_EVENT__MAX ; e++) {
975 const char *event_name = QAPIEvent_lookup[e];
976 assert(event_name != NULL);
977 info = g_malloc0(sizeof(*info));
978 info->value = g_malloc0(sizeof(*info->value));
979 info->value->name = g_strdup(event_name);
981 info->next = ev_list;
989 * Minor hack: generated marshalling suppressed for this command
990 * ('gen': false in the schema) so we can parse the JSON string
991 * directly into QObject instead of first parsing it with
992 * visit_type_SchemaInfoList() into a SchemaInfoList, then marshal it
993 * to QObject with generated output marshallers, every time. Instead,
994 * we do it in test-qmp-input-visitor.c, just to make sure
995 * qapi-introspect.py's output actually conforms to the schema.
997 static void qmp_query_qmp_schema(QDict *qdict, QObject **ret_data,
1000 *ret_data = qobject_from_json(qmp_schema_json);
1003 /* set the current CPU defined by the user */
1004 int monitor_set_cpu(int cpu_index)
1008 cpu = qemu_get_cpu(cpu_index);
1012 cur_mon->mon_cpu = cpu;
1016 CPUState *mon_get_cpu(void)
1018 if (!cur_mon->mon_cpu) {
1021 cpu_synchronize_state(cur_mon->mon_cpu);
1022 return cur_mon->mon_cpu;
1025 CPUArchState *mon_get_cpu_env(void)
1027 return mon_get_cpu()->env_ptr;
1030 int monitor_get_cpu_index(void)
1032 return mon_get_cpu()->cpu_index;
1035 static void hmp_info_registers(Monitor *mon, const QDict *qdict)
1037 cpu_dump_state(mon_get_cpu(), (FILE *)mon, monitor_fprintf, CPU_DUMP_FPU);
1040 static void hmp_info_jit(Monitor *mon, const QDict *qdict)
1042 dump_exec_info((FILE *)mon, monitor_fprintf);
1043 dump_drift_info((FILE *)mon, monitor_fprintf);
1046 static void hmp_info_opcount(Monitor *mon, const QDict *qdict)
1048 dump_opcount_info((FILE *)mon, monitor_fprintf);
1051 static void hmp_info_history(Monitor *mon, const QDict *qdict)
1060 str = readline_get_history(mon->rs, i);
1063 monitor_printf(mon, "%d: '%s'\n", i, str);
1068 static void hmp_info_cpustats(Monitor *mon, const QDict *qdict)
1070 cpu_dump_statistics(mon_get_cpu(), (FILE *)mon, &monitor_fprintf, 0);
1073 static void hmp_info_trace_events(Monitor *mon, const QDict *qdict)
1075 const char *name = qdict_get_try_str(qdict, "name");
1076 bool has_vcpu = qdict_haskey(qdict, "vcpu");
1077 int vcpu = qdict_get_try_int(qdict, "vcpu", 0);
1078 TraceEventInfoList *events;
1079 TraceEventInfoList *elem;
1080 Error *local_err = NULL;
1086 monitor_printf(mon, "argument vcpu must be positive");
1090 events = qmp_trace_event_get_state(name, has_vcpu, vcpu, &local_err);
1092 error_report_err(local_err);
1096 for (elem = events; elem != NULL; elem = elem->next) {
1097 monitor_printf(mon, "%s : state %u\n",
1099 elem->value->state == TRACE_EVENT_STATE_ENABLED ? 1 : 0);
1101 qapi_free_TraceEventInfoList(events);
1104 void qmp_client_migrate_info(const char *protocol, const char *hostname,
1105 bool has_port, int64_t port,
1106 bool has_tls_port, int64_t tls_port,
1107 bool has_cert_subject, const char *cert_subject,
1110 if (strcmp(protocol, "spice") == 0) {
1111 if (!qemu_using_spice(errp)) {
1115 if (!has_port && !has_tls_port) {
1116 error_setg(errp, QERR_MISSING_PARAMETER, "port/tls-port");
1120 if (qemu_spice_migrate_info(hostname,
1121 has_port ? port : -1,
1122 has_tls_port ? tls_port : -1,
1124 error_setg(errp, QERR_UNDEFINED_ERROR);
1130 error_setg(errp, QERR_INVALID_PARAMETER_VALUE, "protocol", "spice");
1133 static void hmp_logfile(Monitor *mon, const QDict *qdict)
1137 qemu_set_log_filename(qdict_get_str(qdict, "filename"), &err);
1139 error_report_err(err);
1143 static void hmp_log(Monitor *mon, const QDict *qdict)
1146 const char *items = qdict_get_str(qdict, "items");
1148 if (!strcmp(items, "none")) {
1151 mask = qemu_str_to_log_mask(items);
1153 help_cmd(mon, "log");
1160 static void hmp_singlestep(Monitor *mon, const QDict *qdict)
1162 const char *option = qdict_get_try_str(qdict, "option");
1163 if (!option || !strcmp(option, "on")) {
1165 } else if (!strcmp(option, "off")) {
1168 monitor_printf(mon, "unexpected option %s\n", option);
1172 static void hmp_gdbserver(Monitor *mon, const QDict *qdict)
1174 const char *device = qdict_get_try_str(qdict, "device");
1176 device = "tcp::" DEFAULT_GDBSTUB_PORT;
1177 if (gdbserver_start(device) < 0) {
1178 monitor_printf(mon, "Could not open gdbserver on device '%s'\n",
1180 } else if (strcmp(device, "none") == 0) {
1181 monitor_printf(mon, "Disabled gdbserver\n");
1183 monitor_printf(mon, "Waiting for gdb connection on device '%s'\n",
1188 static void hmp_watchdog_action(Monitor *mon, const QDict *qdict)
1190 const char *action = qdict_get_str(qdict, "action");
1191 if (select_watchdog_action(action) == -1) {
1192 monitor_printf(mon, "Unknown watchdog action '%s'\n", action);
1196 static void monitor_printc(Monitor *mon, int c)
1198 monitor_printf(mon, "'");
1201 monitor_printf(mon, "\\'");
1204 monitor_printf(mon, "\\\\");
1207 monitor_printf(mon, "\\n");
1210 monitor_printf(mon, "\\r");
1213 if (c >= 32 && c <= 126) {
1214 monitor_printf(mon, "%c", c);
1216 monitor_printf(mon, "\\x%02x", c);
1220 monitor_printf(mon, "'");
1223 static void memory_dump(Monitor *mon, int count, int format, int wsize,
1224 hwaddr addr, int is_physical)
1226 int l, line_size, i, max_digits, len;
1230 if (format == 'i') {
1233 CPUArchState *env = mon_get_cpu_env();
1236 } else if (wsize == 4) {
1239 /* as default we use the current CS size */
1242 #ifdef TARGET_X86_64
1243 if ((env->efer & MSR_EFER_LMA) &&
1244 (env->segs[R_CS].flags & DESC_L_MASK))
1248 if (!(env->segs[R_CS].flags & DESC_B_MASK))
1254 CPUArchState *env = mon_get_cpu_env();
1255 flags = msr_le << 16;
1256 flags |= env->bfd_mach;
1258 monitor_disas(mon, mon_get_cpu(), addr, count, is_physical, flags);
1262 len = wsize * count;
1271 max_digits = (wsize * 8 + 2) / 3;
1275 max_digits = (wsize * 8) / 4;
1279 max_digits = (wsize * 8 * 10 + 32) / 33;
1288 monitor_printf(mon, TARGET_FMT_plx ":", addr);
1290 monitor_printf(mon, TARGET_FMT_lx ":", (target_ulong)addr);
1295 cpu_physical_memory_read(addr, buf, l);
1297 if (cpu_memory_rw_debug(mon_get_cpu(), addr, buf, l, 0) < 0) {
1298 monitor_printf(mon, " Cannot access memory\n");
1307 v = ldub_p(buf + i);
1310 v = lduw_p(buf + i);
1313 v = (uint32_t)ldl_p(buf + i);
1319 monitor_printf(mon, " ");
1322 monitor_printf(mon, "%#*" PRIo64, max_digits, v);
1325 monitor_printf(mon, "0x%0*" PRIx64, max_digits, v);
1328 monitor_printf(mon, "%*" PRIu64, max_digits, v);
1331 monitor_printf(mon, "%*" PRId64, max_digits, v);
1334 monitor_printc(mon, v);
1339 monitor_printf(mon, "\n");
1345 static void hmp_memory_dump(Monitor *mon, const QDict *qdict)
1347 int count = qdict_get_int(qdict, "count");
1348 int format = qdict_get_int(qdict, "format");
1349 int size = qdict_get_int(qdict, "size");
1350 target_long addr = qdict_get_int(qdict, "addr");
1352 memory_dump(mon, count, format, size, addr, 0);
1355 static void hmp_physical_memory_dump(Monitor *mon, const QDict *qdict)
1357 int count = qdict_get_int(qdict, "count");
1358 int format = qdict_get_int(qdict, "format");
1359 int size = qdict_get_int(qdict, "size");
1360 hwaddr addr = qdict_get_int(qdict, "addr");
1362 memory_dump(mon, count, format, size, addr, 1);
1365 static void do_print(Monitor *mon, const QDict *qdict)
1367 int format = qdict_get_int(qdict, "format");
1368 hwaddr val = qdict_get_int(qdict, "val");
1372 monitor_printf(mon, "%#" HWADDR_PRIo, val);
1375 monitor_printf(mon, "%#" HWADDR_PRIx, val);
1378 monitor_printf(mon, "%" HWADDR_PRIu, val);
1382 monitor_printf(mon, "%" HWADDR_PRId, val);
1385 monitor_printc(mon, val);
1388 monitor_printf(mon, "\n");
1391 static void hmp_sum(Monitor *mon, const QDict *qdict)
1395 uint32_t start = qdict_get_int(qdict, "start");
1396 uint32_t size = qdict_get_int(qdict, "size");
1399 for(addr = start; addr < (start + size); addr++) {
1400 uint8_t val = address_space_ldub(&address_space_memory, addr,
1401 MEMTXATTRS_UNSPECIFIED, NULL);
1402 /* BSD sum algorithm ('sum' Unix command) */
1403 sum = (sum >> 1) | (sum << 15);
1406 monitor_printf(mon, "%05d\n", sum);
1409 static int mouse_button_state;
1411 static void hmp_mouse_move(Monitor *mon, const QDict *qdict)
1413 int dx, dy, dz, button;
1414 const char *dx_str = qdict_get_str(qdict, "dx_str");
1415 const char *dy_str = qdict_get_str(qdict, "dy_str");
1416 const char *dz_str = qdict_get_try_str(qdict, "dz_str");
1418 dx = strtol(dx_str, NULL, 0);
1419 dy = strtol(dy_str, NULL, 0);
1420 qemu_input_queue_rel(NULL, INPUT_AXIS_X, dx);
1421 qemu_input_queue_rel(NULL, INPUT_AXIS_Y, dy);
1424 dz = strtol(dz_str, NULL, 0);
1426 button = (dz > 0) ? INPUT_BUTTON_WHEEL_UP : INPUT_BUTTON_WHEEL_DOWN;
1427 qemu_input_queue_btn(NULL, button, true);
1428 qemu_input_event_sync();
1429 qemu_input_queue_btn(NULL, button, false);
1432 qemu_input_event_sync();
1435 static void hmp_mouse_button(Monitor *mon, const QDict *qdict)
1437 static uint32_t bmap[INPUT_BUTTON__MAX] = {
1438 [INPUT_BUTTON_LEFT] = MOUSE_EVENT_LBUTTON,
1439 [INPUT_BUTTON_MIDDLE] = MOUSE_EVENT_MBUTTON,
1440 [INPUT_BUTTON_RIGHT] = MOUSE_EVENT_RBUTTON,
1442 int button_state = qdict_get_int(qdict, "button_state");
1444 if (mouse_button_state == button_state) {
1447 qemu_input_update_buttons(NULL, bmap, mouse_button_state, button_state);
1448 qemu_input_event_sync();
1449 mouse_button_state = button_state;
1452 static void hmp_ioport_read(Monitor *mon, const QDict *qdict)
1454 int size = qdict_get_int(qdict, "size");
1455 int addr = qdict_get_int(qdict, "addr");
1456 int has_index = qdict_haskey(qdict, "index");
1461 int index = qdict_get_int(qdict, "index");
1462 cpu_outb(addr & IOPORTS_MASK, index & 0xff);
1470 val = cpu_inb(addr);
1474 val = cpu_inw(addr);
1478 val = cpu_inl(addr);
1482 monitor_printf(mon, "port%c[0x%04x] = %#0*x\n",
1483 suffix, addr, size * 2, val);
1486 static void hmp_ioport_write(Monitor *mon, const QDict *qdict)
1488 int size = qdict_get_int(qdict, "size");
1489 int addr = qdict_get_int(qdict, "addr");
1490 int val = qdict_get_int(qdict, "val");
1492 addr &= IOPORTS_MASK;
1497 cpu_outb(addr, val);
1500 cpu_outw(addr, val);
1503 cpu_outl(addr, val);
1508 static void hmp_boot_set(Monitor *mon, const QDict *qdict)
1510 Error *local_err = NULL;
1511 const char *bootdevice = qdict_get_str(qdict, "bootdevice");
1513 qemu_boot_set(bootdevice, &local_err);
1515 error_report_err(local_err);
1517 monitor_printf(mon, "boot device list now set to %s\n", bootdevice);
1521 static void hmp_info_mtree(Monitor *mon, const QDict *qdict)
1523 mtree_info((fprintf_function)monitor_printf, mon);
1526 static void hmp_info_numa(Monitor *mon, const QDict *qdict)
1532 node_mem = g_new0(uint64_t, nb_numa_nodes);
1533 query_numa_node_mem(node_mem);
1534 monitor_printf(mon, "%d nodes\n", nb_numa_nodes);
1535 for (i = 0; i < nb_numa_nodes; i++) {
1536 monitor_printf(mon, "node %d cpus:", i);
1538 if (cpu->numa_node == i) {
1539 monitor_printf(mon, " %d", cpu->cpu_index);
1542 monitor_printf(mon, "\n");
1543 monitor_printf(mon, "node %d size: %" PRId64 " MB\n", i,
1549 #ifdef CONFIG_PROFILER
1554 static void hmp_info_profile(Monitor *mon, const QDict *qdict)
1556 monitor_printf(mon, "async time %" PRId64 " (%0.3f)\n",
1557 dev_time, dev_time / (double)NANOSECONDS_PER_SECOND);
1558 monitor_printf(mon, "qemu time %" PRId64 " (%0.3f)\n",
1559 tcg_time, tcg_time / (double)NANOSECONDS_PER_SECOND);
1564 static void hmp_info_profile(Monitor *mon, const QDict *qdict)
1566 monitor_printf(mon, "Internal profiler not compiled\n");
1570 /* Capture support */
1571 static QLIST_HEAD (capture_list_head, CaptureState) capture_head;
1573 static void hmp_info_capture(Monitor *mon, const QDict *qdict)
1578 for (s = capture_head.lh_first, i = 0; s; s = s->entries.le_next, ++i) {
1579 monitor_printf(mon, "[%d]: ", i);
1580 s->ops.info (s->opaque);
1584 static void hmp_stopcapture(Monitor *mon, const QDict *qdict)
1587 int n = qdict_get_int(qdict, "n");
1590 for (s = capture_head.lh_first, i = 0; s; s = s->entries.le_next, ++i) {
1592 s->ops.destroy (s->opaque);
1593 QLIST_REMOVE (s, entries);
1600 static void hmp_wavcapture(Monitor *mon, const QDict *qdict)
1602 const char *path = qdict_get_str(qdict, "path");
1603 int has_freq = qdict_haskey(qdict, "freq");
1604 int freq = qdict_get_try_int(qdict, "freq", -1);
1605 int has_bits = qdict_haskey(qdict, "bits");
1606 int bits = qdict_get_try_int(qdict, "bits", -1);
1607 int has_channels = qdict_haskey(qdict, "nchannels");
1608 int nchannels = qdict_get_try_int(qdict, "nchannels", -1);
1611 s = g_malloc0 (sizeof (*s));
1613 freq = has_freq ? freq : 44100;
1614 bits = has_bits ? bits : 16;
1615 nchannels = has_channels ? nchannels : 2;
1617 if (wav_start_capture (s, path, freq, bits, nchannels)) {
1618 monitor_printf(mon, "Failed to add wave capture\n");
1622 QLIST_INSERT_HEAD (&capture_head, s, entries);
1625 static qemu_acl *find_acl(Monitor *mon, const char *name)
1627 qemu_acl *acl = qemu_acl_find(name);
1630 monitor_printf(mon, "acl: unknown list '%s'\n", name);
1635 static void hmp_acl_show(Monitor *mon, const QDict *qdict)
1637 const char *aclname = qdict_get_str(qdict, "aclname");
1638 qemu_acl *acl = find_acl(mon, aclname);
1639 qemu_acl_entry *entry;
1643 monitor_printf(mon, "policy: %s\n",
1644 acl->defaultDeny ? "deny" : "allow");
1645 QTAILQ_FOREACH(entry, &acl->entries, next) {
1647 monitor_printf(mon, "%d: %s %s\n", i,
1648 entry->deny ? "deny" : "allow", entry->match);
1653 static void hmp_acl_reset(Monitor *mon, const QDict *qdict)
1655 const char *aclname = qdict_get_str(qdict, "aclname");
1656 qemu_acl *acl = find_acl(mon, aclname);
1659 qemu_acl_reset(acl);
1660 monitor_printf(mon, "acl: removed all rules\n");
1664 static void hmp_acl_policy(Monitor *mon, const QDict *qdict)
1666 const char *aclname = qdict_get_str(qdict, "aclname");
1667 const char *policy = qdict_get_str(qdict, "policy");
1668 qemu_acl *acl = find_acl(mon, aclname);
1671 if (strcmp(policy, "allow") == 0) {
1672 acl->defaultDeny = 0;
1673 monitor_printf(mon, "acl: policy set to 'allow'\n");
1674 } else if (strcmp(policy, "deny") == 0) {
1675 acl->defaultDeny = 1;
1676 monitor_printf(mon, "acl: policy set to 'deny'\n");
1678 monitor_printf(mon, "acl: unknown policy '%s', "
1679 "expected 'deny' or 'allow'\n", policy);
1684 static void hmp_acl_add(Monitor *mon, const QDict *qdict)
1686 const char *aclname = qdict_get_str(qdict, "aclname");
1687 const char *match = qdict_get_str(qdict, "match");
1688 const char *policy = qdict_get_str(qdict, "policy");
1689 int has_index = qdict_haskey(qdict, "index");
1690 int index = qdict_get_try_int(qdict, "index", -1);
1691 qemu_acl *acl = find_acl(mon, aclname);
1695 if (strcmp(policy, "allow") == 0) {
1697 } else if (strcmp(policy, "deny") == 0) {
1700 monitor_printf(mon, "acl: unknown policy '%s', "
1701 "expected 'deny' or 'allow'\n", policy);
1705 ret = qemu_acl_insert(acl, deny, match, index);
1707 ret = qemu_acl_append(acl, deny, match);
1709 monitor_printf(mon, "acl: unable to add acl entry\n");
1711 monitor_printf(mon, "acl: added rule at position %d\n", ret);
1715 static void hmp_acl_remove(Monitor *mon, const QDict *qdict)
1717 const char *aclname = qdict_get_str(qdict, "aclname");
1718 const char *match = qdict_get_str(qdict, "match");
1719 qemu_acl *acl = find_acl(mon, aclname);
1723 ret = qemu_acl_remove(acl, match);
1725 monitor_printf(mon, "acl: no matching acl entry\n");
1727 monitor_printf(mon, "acl: removed rule at position %d\n", ret);
1731 void qmp_getfd(const char *fdname, Error **errp)
1736 fd = qemu_chr_fe_get_msgfd(cur_mon->chr);
1738 error_setg(errp, QERR_FD_NOT_SUPPLIED);
1742 if (qemu_isdigit(fdname[0])) {
1744 error_setg(errp, QERR_INVALID_PARAMETER_VALUE, "fdname",
1745 "a name not starting with a digit");
1749 QLIST_FOREACH(monfd, &cur_mon->fds, next) {
1750 if (strcmp(monfd->name, fdname) != 0) {
1759 monfd = g_malloc0(sizeof(mon_fd_t));
1760 monfd->name = g_strdup(fdname);
1763 QLIST_INSERT_HEAD(&cur_mon->fds, monfd, next);
1766 void qmp_closefd(const char *fdname, Error **errp)
1770 QLIST_FOREACH(monfd, &cur_mon->fds, next) {
1771 if (strcmp(monfd->name, fdname) != 0) {
1775 QLIST_REMOVE(monfd, next);
1777 g_free(monfd->name);
1782 error_setg(errp, QERR_FD_NOT_FOUND, fdname);
1785 static void hmp_loadvm(Monitor *mon, const QDict *qdict)
1787 int saved_vm_running = runstate_is_running();
1788 const char *name = qdict_get_str(qdict, "name");
1790 vm_stop(RUN_STATE_RESTORE_VM);
1792 if (load_vmstate(name) == 0 && saved_vm_running) {
1797 int monitor_get_fd(Monitor *mon, const char *fdname, Error **errp)
1801 QLIST_FOREACH(monfd, &mon->fds, next) {
1804 if (strcmp(monfd->name, fdname) != 0) {
1810 /* caller takes ownership of fd */
1811 QLIST_REMOVE(monfd, next);
1812 g_free(monfd->name);
1818 error_setg(errp, "File descriptor named '%s' has not been found", fdname);
1822 static void monitor_fdset_cleanup(MonFdset *mon_fdset)
1824 MonFdsetFd *mon_fdset_fd;
1825 MonFdsetFd *mon_fdset_fd_next;
1827 QLIST_FOREACH_SAFE(mon_fdset_fd, &mon_fdset->fds, next, mon_fdset_fd_next) {
1828 if ((mon_fdset_fd->removed ||
1829 (QLIST_EMPTY(&mon_fdset->dup_fds) && mon_refcount == 0)) &&
1830 runstate_is_running()) {
1831 close(mon_fdset_fd->fd);
1832 g_free(mon_fdset_fd->opaque);
1833 QLIST_REMOVE(mon_fdset_fd, next);
1834 g_free(mon_fdset_fd);
1838 if (QLIST_EMPTY(&mon_fdset->fds) && QLIST_EMPTY(&mon_fdset->dup_fds)) {
1839 QLIST_REMOVE(mon_fdset, next);
1844 static void monitor_fdsets_cleanup(void)
1846 MonFdset *mon_fdset;
1847 MonFdset *mon_fdset_next;
1849 QLIST_FOREACH_SAFE(mon_fdset, &mon_fdsets, next, mon_fdset_next) {
1850 monitor_fdset_cleanup(mon_fdset);
1854 AddfdInfo *qmp_add_fd(bool has_fdset_id, int64_t fdset_id, bool has_opaque,
1855 const char *opaque, Error **errp)
1858 Monitor *mon = cur_mon;
1861 fd = qemu_chr_fe_get_msgfd(mon->chr);
1863 error_setg(errp, QERR_FD_NOT_SUPPLIED);
1867 fdinfo = monitor_fdset_add_fd(fd, has_fdset_id, fdset_id,
1868 has_opaque, opaque, errp);
1880 void qmp_remove_fd(int64_t fdset_id, bool has_fd, int64_t fd, Error **errp)
1882 MonFdset *mon_fdset;
1883 MonFdsetFd *mon_fdset_fd;
1886 QLIST_FOREACH(mon_fdset, &mon_fdsets, next) {
1887 if (mon_fdset->id != fdset_id) {
1890 QLIST_FOREACH(mon_fdset_fd, &mon_fdset->fds, next) {
1892 if (mon_fdset_fd->fd != fd) {
1895 mon_fdset_fd->removed = true;
1898 mon_fdset_fd->removed = true;
1901 if (has_fd && !mon_fdset_fd) {
1904 monitor_fdset_cleanup(mon_fdset);
1910 snprintf(fd_str, sizeof(fd_str), "fdset-id:%" PRId64 ", fd:%" PRId64,
1913 snprintf(fd_str, sizeof(fd_str), "fdset-id:%" PRId64, fdset_id);
1915 error_setg(errp, QERR_FD_NOT_FOUND, fd_str);
1918 FdsetInfoList *qmp_query_fdsets(Error **errp)
1920 MonFdset *mon_fdset;
1921 MonFdsetFd *mon_fdset_fd;
1922 FdsetInfoList *fdset_list = NULL;
1924 QLIST_FOREACH(mon_fdset, &mon_fdsets, next) {
1925 FdsetInfoList *fdset_info = g_malloc0(sizeof(*fdset_info));
1926 FdsetFdInfoList *fdsetfd_list = NULL;
1928 fdset_info->value = g_malloc0(sizeof(*fdset_info->value));
1929 fdset_info->value->fdset_id = mon_fdset->id;
1931 QLIST_FOREACH(mon_fdset_fd, &mon_fdset->fds, next) {
1932 FdsetFdInfoList *fdsetfd_info;
1934 fdsetfd_info = g_malloc0(sizeof(*fdsetfd_info));
1935 fdsetfd_info->value = g_malloc0(sizeof(*fdsetfd_info->value));
1936 fdsetfd_info->value->fd = mon_fdset_fd->fd;
1937 if (mon_fdset_fd->opaque) {
1938 fdsetfd_info->value->has_opaque = true;
1939 fdsetfd_info->value->opaque = g_strdup(mon_fdset_fd->opaque);
1941 fdsetfd_info->value->has_opaque = false;
1944 fdsetfd_info->next = fdsetfd_list;
1945 fdsetfd_list = fdsetfd_info;
1948 fdset_info->value->fds = fdsetfd_list;
1950 fdset_info->next = fdset_list;
1951 fdset_list = fdset_info;
1957 AddfdInfo *monitor_fdset_add_fd(int fd, bool has_fdset_id, int64_t fdset_id,
1958 bool has_opaque, const char *opaque,
1961 MonFdset *mon_fdset = NULL;
1962 MonFdsetFd *mon_fdset_fd;
1966 QLIST_FOREACH(mon_fdset, &mon_fdsets, next) {
1967 /* Break if match found or match impossible due to ordering by ID */
1968 if (fdset_id <= mon_fdset->id) {
1969 if (fdset_id < mon_fdset->id) {
1977 if (mon_fdset == NULL) {
1978 int64_t fdset_id_prev = -1;
1979 MonFdset *mon_fdset_cur = QLIST_FIRST(&mon_fdsets);
1983 error_setg(errp, QERR_INVALID_PARAMETER_VALUE, "fdset-id",
1984 "a non-negative value");
1987 /* Use specified fdset ID */
1988 QLIST_FOREACH(mon_fdset, &mon_fdsets, next) {
1989 mon_fdset_cur = mon_fdset;
1990 if (fdset_id < mon_fdset_cur->id) {
1995 /* Use first available fdset ID */
1996 QLIST_FOREACH(mon_fdset, &mon_fdsets, next) {
1997 mon_fdset_cur = mon_fdset;
1998 if (fdset_id_prev == mon_fdset_cur->id - 1) {
1999 fdset_id_prev = mon_fdset_cur->id;
2006 mon_fdset = g_malloc0(sizeof(*mon_fdset));
2008 mon_fdset->id = fdset_id;
2010 mon_fdset->id = fdset_id_prev + 1;
2013 /* The fdset list is ordered by fdset ID */
2014 if (!mon_fdset_cur) {
2015 QLIST_INSERT_HEAD(&mon_fdsets, mon_fdset, next);
2016 } else if (mon_fdset->id < mon_fdset_cur->id) {
2017 QLIST_INSERT_BEFORE(mon_fdset_cur, mon_fdset, next);
2019 QLIST_INSERT_AFTER(mon_fdset_cur, mon_fdset, next);
2023 mon_fdset_fd = g_malloc0(sizeof(*mon_fdset_fd));
2024 mon_fdset_fd->fd = fd;
2025 mon_fdset_fd->removed = false;
2027 mon_fdset_fd->opaque = g_strdup(opaque);
2029 QLIST_INSERT_HEAD(&mon_fdset->fds, mon_fdset_fd, next);
2031 fdinfo = g_malloc0(sizeof(*fdinfo));
2032 fdinfo->fdset_id = mon_fdset->id;
2033 fdinfo->fd = mon_fdset_fd->fd;
2038 int monitor_fdset_get_fd(int64_t fdset_id, int flags)
2041 MonFdset *mon_fdset;
2042 MonFdsetFd *mon_fdset_fd;
2045 QLIST_FOREACH(mon_fdset, &mon_fdsets, next) {
2046 if (mon_fdset->id != fdset_id) {
2049 QLIST_FOREACH(mon_fdset_fd, &mon_fdset->fds, next) {
2050 mon_fd_flags = fcntl(mon_fdset_fd->fd, F_GETFL);
2051 if (mon_fd_flags == -1) {
2055 if ((flags & O_ACCMODE) == (mon_fd_flags & O_ACCMODE)) {
2056 return mon_fdset_fd->fd;
2068 int monitor_fdset_dup_fd_add(int64_t fdset_id, int dup_fd)
2070 MonFdset *mon_fdset;
2071 MonFdsetFd *mon_fdset_fd_dup;
2073 QLIST_FOREACH(mon_fdset, &mon_fdsets, next) {
2074 if (mon_fdset->id != fdset_id) {
2077 QLIST_FOREACH(mon_fdset_fd_dup, &mon_fdset->dup_fds, next) {
2078 if (mon_fdset_fd_dup->fd == dup_fd) {
2082 mon_fdset_fd_dup = g_malloc0(sizeof(*mon_fdset_fd_dup));
2083 mon_fdset_fd_dup->fd = dup_fd;
2084 QLIST_INSERT_HEAD(&mon_fdset->dup_fds, mon_fdset_fd_dup, next);
2090 static int monitor_fdset_dup_fd_find_remove(int dup_fd, bool remove)
2092 MonFdset *mon_fdset;
2093 MonFdsetFd *mon_fdset_fd_dup;
2095 QLIST_FOREACH(mon_fdset, &mon_fdsets, next) {
2096 QLIST_FOREACH(mon_fdset_fd_dup, &mon_fdset->dup_fds, next) {
2097 if (mon_fdset_fd_dup->fd == dup_fd) {
2099 QLIST_REMOVE(mon_fdset_fd_dup, next);
2100 if (QLIST_EMPTY(&mon_fdset->dup_fds)) {
2101 monitor_fdset_cleanup(mon_fdset);
2105 return mon_fdset->id;
2113 int monitor_fdset_dup_fd_find(int dup_fd)
2115 return monitor_fdset_dup_fd_find_remove(dup_fd, false);
2118 void monitor_fdset_dup_fd_remove(int dup_fd)
2120 monitor_fdset_dup_fd_find_remove(dup_fd, true);
2123 int monitor_fd_param(Monitor *mon, const char *fdname, Error **errp)
2126 Error *local_err = NULL;
2128 if (!qemu_isdigit(fdname[0]) && mon) {
2129 fd = monitor_get_fd(mon, fdname, &local_err);
2131 fd = qemu_parse_fd(fdname);
2133 error_setg(&local_err, "Invalid file descriptor number '%s'",
2138 error_propagate(errp, local_err);
2147 /* Please update hmp-commands.hx when adding or changing commands */
2148 static mon_cmd_t info_cmds[] = {
2149 #include "hmp-commands-info.h"
2153 /* mon_cmds and info_cmds would be sorted at runtime */
2154 static mon_cmd_t mon_cmds[] = {
2155 #include "hmp-commands.h"
2159 static const mon_cmd_t qmp_cmds[] = {
2160 #include "qmp-commands-old.h"
2164 /*******************************************************************/
2166 static const char *pch;
2167 static sigjmp_buf expr_env;
2170 static void GCC_FMT_ATTR(2, 3) QEMU_NORETURN
2171 expr_error(Monitor *mon, const char *fmt, ...)
2175 monitor_vprintf(mon, fmt, ap);
2176 monitor_printf(mon, "\n");
2178 siglongjmp(expr_env, 1);
2181 /* return 0 if OK, -1 if not found */
2182 static int get_monitor_def(target_long *pval, const char *name)
2184 const MonitorDef *md = target_monitor_defs();
2193 for(; md->name != NULL; md++) {
2194 if (compare_cmd(name, md->name)) {
2195 if (md->get_value) {
2196 *pval = md->get_value(md, md->offset);
2198 CPUArchState *env = mon_get_cpu_env();
2199 ptr = (uint8_t *)env + md->offset;
2202 *pval = *(int32_t *)ptr;
2205 *pval = *(target_long *)ptr;
2216 ret = target_get_monitor_def(mon_get_cpu(), name, &tmp);
2218 *pval = (target_long) tmp;
2224 static void next(void)
2228 while (qemu_isspace(*pch))
2233 static int64_t expr_sum(Monitor *mon);
2235 static int64_t expr_unary(Monitor *mon)
2244 n = expr_unary(mon);
2248 n = -expr_unary(mon);
2252 n = ~expr_unary(mon);
2258 expr_error(mon, "')' expected");
2265 expr_error(mon, "character constant expected");
2269 expr_error(mon, "missing terminating \' character");
2279 while ((*pch >= 'a' && *pch <= 'z') ||
2280 (*pch >= 'A' && *pch <= 'Z') ||
2281 (*pch >= '0' && *pch <= '9') ||
2282 *pch == '_' || *pch == '.') {
2283 if ((q - buf) < sizeof(buf) - 1)
2287 while (qemu_isspace(*pch))
2290 ret = get_monitor_def(®, buf);
2292 expr_error(mon, "unknown register");
2297 expr_error(mon, "unexpected end of expression");
2302 n = strtoull(pch, &p, 0);
2303 if (errno == ERANGE) {
2304 expr_error(mon, "number too large");
2307 expr_error(mon, "invalid char '%c' in expression", *p);
2310 while (qemu_isspace(*pch))
2318 static int64_t expr_prod(Monitor *mon)
2323 val = expr_unary(mon);
2326 if (op != '*' && op != '/' && op != '%')
2329 val2 = expr_unary(mon);
2338 expr_error(mon, "division by zero");
2349 static int64_t expr_logic(Monitor *mon)
2354 val = expr_prod(mon);
2357 if (op != '&' && op != '|' && op != '^')
2360 val2 = expr_prod(mon);
2377 static int64_t expr_sum(Monitor *mon)
2382 val = expr_logic(mon);
2385 if (op != '+' && op != '-')
2388 val2 = expr_logic(mon);
2397 static int get_expr(Monitor *mon, int64_t *pval, const char **pp)
2400 if (sigsetjmp(expr_env, 0)) {
2404 while (qemu_isspace(*pch))
2406 *pval = expr_sum(mon);
2411 static int get_double(Monitor *mon, double *pval, const char **pp)
2413 const char *p = *pp;
2417 d = strtod(p, &tailp);
2419 monitor_printf(mon, "Number expected\n");
2422 if (d != d || d - d != 0) {
2423 /* NaN or infinity */
2424 monitor_printf(mon, "Bad number\n");
2433 * Store the command-name in cmdname, and return a pointer to
2434 * the remaining of the command string.
2436 static const char *get_command_name(const char *cmdline,
2437 char *cmdname, size_t nlen)
2440 const char *p, *pstart;
2443 while (qemu_isspace(*p))
2448 while (*p != '\0' && *p != '/' && !qemu_isspace(*p))
2453 memcpy(cmdname, pstart, len);
2454 cmdname[len] = '\0';
2459 * Read key of 'type' into 'key' and return the current
2462 static char *key_get_info(const char *type, char **key)
2470 p = strchr(type, ':');
2477 str = g_malloc(len + 1);
2478 memcpy(str, type, len);
2485 static int default_fmt_format = 'x';
2486 static int default_fmt_size = 4;
2488 static int is_valid_option(const char *c, const char *typestr)
2496 typestr = strstr(typestr, option);
2497 return (typestr != NULL);
2500 static const mon_cmd_t *search_dispatch_table(const mon_cmd_t *disp_table,
2501 const char *cmdname)
2503 const mon_cmd_t *cmd;
2505 for (cmd = disp_table; cmd->name != NULL; cmd++) {
2506 if (compare_cmd(cmdname, cmd->name)) {
2514 static const mon_cmd_t *qmp_find_cmd(const char *cmdname)
2516 return search_dispatch_table(qmp_cmds, cmdname);
2520 * Parse command name from @cmdp according to command table @table.
2521 * If blank, return NULL.
2522 * Else, if no valid command can be found, report to @mon, and return
2524 * Else, change @cmdp to point right behind the name, and return its
2525 * command table entry.
2526 * Do not assume the return value points into @table! It doesn't when
2527 * the command is found in a sub-command table.
2529 static const mon_cmd_t *monitor_parse_command(Monitor *mon,
2534 const mon_cmd_t *cmd;
2537 /* extract the command name */
2538 p = get_command_name(*cmdp, cmdname, sizeof(cmdname));
2542 cmd = search_dispatch_table(table, cmdname);
2544 monitor_printf(mon, "unknown command: '%.*s'\n",
2545 (int)(p - *cmdp), *cmdp);
2549 /* filter out following useless space */
2550 while (qemu_isspace(*p)) {
2555 /* search sub command */
2556 if (cmd->sub_table != NULL && *p != '\0') {
2557 return monitor_parse_command(mon, cmdp, cmd->sub_table);
2564 * Parse arguments for @cmd.
2565 * If it can't be parsed, report to @mon, and return NULL.
2566 * Else, insert command arguments into a QDict, and return it.
2567 * Note: On success, caller has to free the QDict structure.
2570 static QDict *monitor_parse_arguments(Monitor *mon,
2572 const mon_cmd_t *cmd)
2574 const char *typestr;
2577 const char *p = *endp;
2579 QDict *qdict = qdict_new();
2581 /* parse the parameters */
2582 typestr = cmd->args_type;
2584 typestr = key_get_info(typestr, &key);
2596 while (qemu_isspace(*p))
2598 if (*typestr == '?') {
2601 /* no optional string: NULL argument */
2605 ret = get_str(buf, sizeof(buf), &p);
2609 monitor_printf(mon, "%s: filename expected\n",
2613 monitor_printf(mon, "%s: block device name expected\n",
2617 monitor_printf(mon, "%s: string expected\n", cmd->name);
2622 qdict_put(qdict, key, qstring_from_str(buf));
2627 QemuOptsList *opts_list;
2630 opts_list = qemu_find_opts(key);
2631 if (!opts_list || opts_list->desc->name) {
2634 while (qemu_isspace(*p)) {
2639 if (get_str(buf, sizeof(buf), &p) < 0) {
2642 opts = qemu_opts_parse_noisily(opts_list, buf, true);
2646 qemu_opts_to_qdict(opts, qdict);
2647 qemu_opts_del(opts);
2652 int count, format, size;
2654 while (qemu_isspace(*p))
2660 if (qemu_isdigit(*p)) {
2662 while (qemu_isdigit(*p)) {
2663 count = count * 10 + (*p - '0');
2701 if (*p != '\0' && !qemu_isspace(*p)) {
2702 monitor_printf(mon, "invalid char in format: '%c'\n",
2707 format = default_fmt_format;
2708 if (format != 'i') {
2709 /* for 'i', not specifying a size gives -1 as size */
2711 size = default_fmt_size;
2712 default_fmt_size = size;
2714 default_fmt_format = format;
2717 format = default_fmt_format;
2718 if (format != 'i') {
2719 size = default_fmt_size;
2724 qdict_put(qdict, "count", qint_from_int(count));
2725 qdict_put(qdict, "format", qint_from_int(format));
2726 qdict_put(qdict, "size", qint_from_int(size));
2735 while (qemu_isspace(*p))
2737 if (*typestr == '?' || *typestr == '.') {
2738 if (*typestr == '?') {
2746 while (qemu_isspace(*p))
2755 if (get_expr(mon, &val, &p))
2757 /* Check if 'i' is greater than 32-bit */
2758 if ((c == 'i') && ((val >> 32) & 0xffffffff)) {
2759 monitor_printf(mon, "\'%s\' has failed: ", cmd->name);
2760 monitor_printf(mon, "integer is for 32-bit values\n");
2762 } else if (c == 'M') {
2764 monitor_printf(mon, "enter a positive value\n");
2769 qdict_put(qdict, key, qint_from_int(val));
2777 while (qemu_isspace(*p)) {
2780 if (*typestr == '?') {
2786 val = qemu_strtosz(p, &end);
2788 monitor_printf(mon, "invalid size\n");
2791 qdict_put(qdict, key, qint_from_int(val));
2799 while (qemu_isspace(*p))
2801 if (*typestr == '?') {
2807 if (get_double(mon, &val, &p) < 0) {
2810 if (p[0] && p[1] == 's') {
2813 val /= 1e3; p += 2; break;
2815 val /= 1e6; p += 2; break;
2817 val /= 1e9; p += 2; break;
2820 if (*p && !qemu_isspace(*p)) {
2821 monitor_printf(mon, "Unknown unit suffix\n");
2824 qdict_put(qdict, key, qfloat_from_double(val));
2832 while (qemu_isspace(*p)) {
2836 while (qemu_isgraph(*p)) {
2839 if (p - beg == 2 && !memcmp(beg, "on", p - beg)) {
2841 } else if (p - beg == 3 && !memcmp(beg, "off", p - beg)) {
2844 monitor_printf(mon, "Expected 'on' or 'off'\n");
2847 qdict_put(qdict, key, qbool_from_bool(val));
2852 const char *tmp = p;
2859 while (qemu_isspace(*p))
2864 if(!is_valid_option(p, typestr)) {
2866 monitor_printf(mon, "%s: unsupported option -%c\n",
2878 qdict_put(qdict, key, qbool_from_bool(true));
2885 /* package all remaining string */
2888 while (qemu_isspace(*p)) {
2891 if (*typestr == '?') {
2894 /* no remaining string: NULL argument */
2900 monitor_printf(mon, "%s: string expected\n",
2904 qdict_put(qdict, key, qstring_from_str(p));
2910 monitor_printf(mon, "%s: unknown type '%c'\n", cmd->name, c);
2916 /* check that all arguments were parsed */
2917 while (qemu_isspace(*p))
2920 monitor_printf(mon, "%s: extraneous characters at the end of line\n",
2933 static void handle_hmp_command(Monitor *mon, const char *cmdline)
2936 const mon_cmd_t *cmd;
2938 cmd = monitor_parse_command(mon, &cmdline, mon->cmd_table);
2943 qdict = monitor_parse_arguments(mon, &cmdline, cmd);
2945 monitor_printf(mon, "Try \"help %s\" for more information\n",
2950 cmd->mhandler.cmd(mon, qdict);
2954 static void cmd_completion(Monitor *mon, const char *name, const char *list)
2956 const char *p, *pstart;
2965 p = pstart + strlen(pstart);
2967 if (len > sizeof(cmd) - 2)
2968 len = sizeof(cmd) - 2;
2969 memcpy(cmd, pstart, len);
2971 if (name[0] == '\0' || !strncmp(name, cmd, strlen(name))) {
2972 readline_add_completion(mon->rs, cmd);
2980 static void file_completion(Monitor *mon, const char *input)
2985 char file[1024], file_prefix[1024];
2989 p = strrchr(input, '/');
2992 pstrcpy(file_prefix, sizeof(file_prefix), input);
2993 pstrcpy(path, sizeof(path), ".");
2995 input_path_len = p - input + 1;
2996 memcpy(path, input, input_path_len);
2997 if (input_path_len > sizeof(path) - 1)
2998 input_path_len = sizeof(path) - 1;
2999 path[input_path_len] = '\0';
3000 pstrcpy(file_prefix, sizeof(file_prefix), p + 1);
3003 ffs = opendir(path);
3012 if (strcmp(d->d_name, ".") == 0 || strcmp(d->d_name, "..") == 0) {
3016 if (strstart(d->d_name, file_prefix, NULL)) {
3017 memcpy(file, input, input_path_len);
3018 if (input_path_len < sizeof(file))
3019 pstrcpy(file + input_path_len, sizeof(file) - input_path_len,
3021 /* stat the file to find out if it's a directory.
3022 * In that case add a slash to speed up typing long paths
3024 if (stat(file, &sb) == 0 && S_ISDIR(sb.st_mode)) {
3025 pstrcat(file, sizeof(file), "/");
3027 readline_add_completion(mon->rs, file);
3033 static const char *next_arg_type(const char *typestr)
3035 const char *p = strchr(typestr, ':');
3036 return (p != NULL ? ++p : typestr);
3039 static void add_completion_option(ReadLineState *rs, const char *str,
3042 if (!str || !option) {
3045 if (!strncmp(option, str, strlen(str))) {
3046 readline_add_completion(rs, option);
3050 void chardev_add_completion(ReadLineState *rs, int nb_args, const char *str)
3053 ChardevBackendInfoList *list, *start;
3059 readline_set_completion_index(rs, len);
3061 start = list = qmp_query_chardev_backends(NULL);
3063 const char *chr_name = list->value->name;
3065 if (!strncmp(chr_name, str, len)) {
3066 readline_add_completion(rs, chr_name);
3070 qapi_free_ChardevBackendInfoList(start);
3073 void netdev_add_completion(ReadLineState *rs, int nb_args, const char *str)
3082 readline_set_completion_index(rs, len);
3083 for (i = 0; NetClientDriver_lookup[i]; i++) {
3084 add_completion_option(rs, str, NetClientDriver_lookup[i]);
3088 void device_add_completion(ReadLineState *rs, int nb_args, const char *str)
3098 readline_set_completion_index(rs, len);
3099 list = elt = object_class_get_list(TYPE_DEVICE, false);
3102 DeviceClass *dc = OBJECT_CLASS_CHECK(DeviceClass, elt->data,
3104 name = object_class_get_name(OBJECT_CLASS(dc));
3106 if (!dc->cannot_instantiate_with_device_add_yet
3107 && !strncmp(name, str, len)) {
3108 readline_add_completion(rs, name);
3115 void object_add_completion(ReadLineState *rs, int nb_args, const char *str)
3125 readline_set_completion_index(rs, len);
3126 list = elt = object_class_get_list(TYPE_USER_CREATABLE, false);
3130 name = object_class_get_name(OBJECT_CLASS(elt->data));
3131 if (!strncmp(name, str, len) && strcmp(name, TYPE_USER_CREATABLE)) {
3132 readline_add_completion(rs, name);
3139 static void peripheral_device_del_completion(ReadLineState *rs,
3140 const char *str, size_t len)
3142 Object *peripheral = container_get(qdev_get_machine(), "/peripheral");
3143 GSList *list, *item;
3145 list = qdev_build_hotpluggable_device_list(peripheral);
3150 for (item = list; item; item = g_slist_next(item)) {
3151 DeviceState *dev = item->data;
3153 if (dev->id && !strncmp(str, dev->id, len)) {
3154 readline_add_completion(rs, dev->id);
3161 void chardev_remove_completion(ReadLineState *rs, int nb_args, const char *str)
3164 ChardevInfoList *list, *start;
3170 readline_set_completion_index(rs, len);
3172 start = list = qmp_query_chardev(NULL);
3174 ChardevInfo *chr = list->value;
3176 if (!strncmp(chr->label, str, len)) {
3177 readline_add_completion(rs, chr->label);
3181 qapi_free_ChardevInfoList(start);
3184 static void ringbuf_completion(ReadLineState *rs, const char *str)
3187 ChardevInfoList *list, *start;
3190 readline_set_completion_index(rs, len);
3192 start = list = qmp_query_chardev(NULL);
3194 ChardevInfo *chr_info = list->value;
3196 if (!strncmp(chr_info->label, str, len)) {
3197 CharDriverState *chr = qemu_chr_find(chr_info->label);
3198 if (chr && chr_is_ringbuf(chr)) {
3199 readline_add_completion(rs, chr_info->label);
3204 qapi_free_ChardevInfoList(start);
3207 void ringbuf_write_completion(ReadLineState *rs, int nb_args, const char *str)
3212 ringbuf_completion(rs, str);
3215 void device_del_completion(ReadLineState *rs, int nb_args, const char *str)
3224 readline_set_completion_index(rs, len);
3225 peripheral_device_del_completion(rs, str, len);
3228 void object_del_completion(ReadLineState *rs, int nb_args, const char *str)
3230 ObjectPropertyInfoList *list, *start;
3237 readline_set_completion_index(rs, len);
3239 start = list = qmp_qom_list("/objects", NULL);
3241 ObjectPropertyInfo *info = list->value;
3243 if (!strncmp(info->type, "child<", 5)
3244 && !strncmp(info->name, str, len)) {
3245 readline_add_completion(rs, info->name);
3249 qapi_free_ObjectPropertyInfoList(start);
3252 void sendkey_completion(ReadLineState *rs, int nb_args, const char *str)
3261 sep = strrchr(str, '-');
3266 readline_set_completion_index(rs, len);
3267 for (i = 0; i < Q_KEY_CODE__MAX; i++) {
3268 if (!strncmp(str, QKeyCode_lookup[i], len)) {
3269 readline_add_completion(rs, QKeyCode_lookup[i]);
3274 void set_link_completion(ReadLineState *rs, int nb_args, const char *str)
3279 readline_set_completion_index(rs, len);
3281 NetClientState *ncs[MAX_QUEUE_NUM];
3283 count = qemu_find_net_clients_except(NULL, ncs,
3284 NET_CLIENT_DRIVER_NONE,
3286 for (i = 0; i < MIN(count, MAX_QUEUE_NUM); i++) {
3287 const char *name = ncs[i]->name;
3288 if (!strncmp(str, name, len)) {
3289 readline_add_completion(rs, name);
3292 } else if (nb_args == 3) {
3293 add_completion_option(rs, str, "on");
3294 add_completion_option(rs, str, "off");
3298 void netdev_del_completion(ReadLineState *rs, int nb_args, const char *str)
3301 NetClientState *ncs[MAX_QUEUE_NUM];
3308 readline_set_completion_index(rs, len);
3309 count = qemu_find_net_clients_except(NULL, ncs, NET_CLIENT_DRIVER_NIC,
3311 for (i = 0; i < MIN(count, MAX_QUEUE_NUM); i++) {
3313 const char *name = ncs[i]->name;
3314 if (strncmp(str, name, len)) {
3317 opts = qemu_opts_find(qemu_find_opts_err("netdev", NULL), name);
3319 readline_add_completion(rs, name);
3324 void info_trace_events_completion(ReadLineState *rs, int nb_args, const char *str)
3329 readline_set_completion_index(rs, len);
3332 for (id = 0; id < trace_event_count(); id++) {
3333 const char *event_name = trace_event_get_name(trace_event_id(id));
3334 if (!strncmp(str, event_name, len)) {
3335 readline_add_completion(rs, event_name);
3341 void trace_event_completion(ReadLineState *rs, int nb_args, const char *str)
3346 readline_set_completion_index(rs, len);
3349 for (id = 0; id < trace_event_count(); id++) {
3350 const char *event_name = trace_event_get_name(trace_event_id(id));
3351 if (!strncmp(str, event_name, len)) {
3352 readline_add_completion(rs, event_name);
3355 } else if (nb_args == 3) {
3356 add_completion_option(rs, str, "on");
3357 add_completion_option(rs, str, "off");
3361 void watchdog_action_completion(ReadLineState *rs, int nb_args, const char *str)
3368 readline_set_completion_index(rs, strlen(str));
3369 for (i = 0; WatchdogExpirationAction_lookup[i]; i++) {
3370 add_completion_option(rs, str, WatchdogExpirationAction_lookup[i]);
3374 void migrate_set_capability_completion(ReadLineState *rs, int nb_args,
3380 readline_set_completion_index(rs, len);
3383 for (i = 0; i < MIGRATION_CAPABILITY__MAX; i++) {
3384 const char *name = MigrationCapability_lookup[i];
3385 if (!strncmp(str, name, len)) {
3386 readline_add_completion(rs, name);
3389 } else if (nb_args == 3) {
3390 add_completion_option(rs, str, "on");
3391 add_completion_option(rs, str, "off");
3395 void migrate_set_parameter_completion(ReadLineState *rs, int nb_args,
3401 readline_set_completion_index(rs, len);
3404 for (i = 0; i < MIGRATION_PARAMETER__MAX; i++) {
3405 const char *name = MigrationParameter_lookup[i];
3406 if (!strncmp(str, name, len)) {
3407 readline_add_completion(rs, name);
3413 void host_net_add_completion(ReadLineState *rs, int nb_args, const char *str)
3421 readline_set_completion_index(rs, len);
3422 for (i = 0; host_net_devices[i]; i++) {
3423 if (!strncmp(host_net_devices[i], str, len)) {
3424 readline_add_completion(rs, host_net_devices[i]);
3429 void host_net_remove_completion(ReadLineState *rs, int nb_args, const char *str)
3431 NetClientState *ncs[MAX_QUEUE_NUM];
3435 readline_set_completion_index(rs, len);
3437 count = qemu_find_net_clients_except(NULL, ncs,
3438 NET_CLIENT_DRIVER_NONE,
3440 for (i = 0; i < MIN(count, MAX_QUEUE_NUM); i++) {
3444 if (net_hub_id_for_client(ncs[i], &id)) {
3447 snprintf(name, sizeof(name), "%d", id);
3448 if (!strncmp(str, name, len)) {
3449 readline_add_completion(rs, name);
3453 } else if (nb_args == 3) {
3454 count = qemu_find_net_clients_except(NULL, ncs,
3455 NET_CLIENT_DRIVER_NIC,
3457 for (i = 0; i < MIN(count, MAX_QUEUE_NUM); i++) {
3461 if (ncs[i]->info->type == NET_CLIENT_DRIVER_HUBPORT ||
3462 net_hub_id_for_client(ncs[i], &id)) {
3465 name = ncs[i]->name;
3466 if (!strncmp(str, name, len)) {
3467 readline_add_completion(rs, name);
3474 static void vm_completion(ReadLineState *rs, const char *str)
3477 BlockDriverState *bs;
3478 BdrvNextIterator it;
3481 readline_set_completion_index(rs, len);
3483 for (bs = bdrv_first(&it); bs; bs = bdrv_next(&it)) {
3484 SnapshotInfoList *snapshots, *snapshot;
3485 AioContext *ctx = bdrv_get_aio_context(bs);
3488 aio_context_acquire(ctx);
3489 if (bdrv_can_snapshot(bs)) {
3490 ok = bdrv_query_snapshot_info_list(bs, &snapshots, NULL) == 0;
3492 aio_context_release(ctx);
3497 snapshot = snapshots;
3499 char *completion = snapshot->value->name;
3500 if (!strncmp(str, completion, len)) {
3501 readline_add_completion(rs, completion);
3503 completion = snapshot->value->id;
3504 if (!strncmp(str, completion, len)) {
3505 readline_add_completion(rs, completion);
3507 snapshot = snapshot->next;
3509 qapi_free_SnapshotInfoList(snapshots);
3514 void delvm_completion(ReadLineState *rs, int nb_args, const char *str)
3517 vm_completion(rs, str);
3521 void loadvm_completion(ReadLineState *rs, int nb_args, const char *str)
3524 vm_completion(rs, str);
3528 static void monitor_find_completion_by_table(Monitor *mon,
3529 const mon_cmd_t *cmd_table,
3533 const char *cmdname;
3535 const char *ptype, *str, *name;
3536 const mon_cmd_t *cmd;
3537 BlockBackend *blk = NULL;
3540 /* command completion */
3545 readline_set_completion_index(mon->rs, strlen(cmdname));
3546 for (cmd = cmd_table; cmd->name != NULL; cmd++) {
3547 cmd_completion(mon, cmdname, cmd->name);
3550 /* find the command */
3551 for (cmd = cmd_table; cmd->name != NULL; cmd++) {
3552 if (compare_cmd(args[0], cmd->name)) {
3560 if (cmd->sub_table) {
3561 /* do the job again */
3562 monitor_find_completion_by_table(mon, cmd->sub_table,
3563 &args[1], nb_args - 1);
3566 if (cmd->command_completion) {
3567 cmd->command_completion(mon->rs, nb_args, args[nb_args - 1]);
3571 ptype = next_arg_type(cmd->args_type);
3572 for(i = 0; i < nb_args - 2; i++) {
3573 if (*ptype != '\0') {
3574 ptype = next_arg_type(ptype);
3575 while (*ptype == '?')
3576 ptype = next_arg_type(ptype);
3579 str = args[nb_args - 1];
3580 while (*ptype == '-' && ptype[1] != '\0') {
3581 ptype = next_arg_type(ptype);
3585 /* file completion */
3586 readline_set_completion_index(mon->rs, strlen(str));
3587 file_completion(mon, str);
3590 /* block device name completion */
3591 readline_set_completion_index(mon->rs, strlen(str));
3592 while ((blk = blk_next(blk)) != NULL) {
3593 name = blk_name(blk);
3594 if (str[0] == '\0' ||
3595 !strncmp(name, str, strlen(str))) {
3596 readline_add_completion(mon->rs, name);
3602 if (!strcmp(cmd->name, "help|?")) {
3603 monitor_find_completion_by_table(mon, cmd_table,
3604 &args[1], nb_args - 1);
3613 static void monitor_find_completion(void *opaque,
3614 const char *cmdline)
3616 Monitor *mon = opaque;
3617 char *args[MAX_ARGS];
3620 /* 1. parse the cmdline */
3621 if (parse_cmdline(cmdline, &nb_args, args) < 0) {
3625 /* if the line ends with a space, it means we want to complete the
3627 len = strlen(cmdline);
3628 if (len > 0 && qemu_isspace(cmdline[len - 1])) {
3629 if (nb_args >= MAX_ARGS) {
3632 args[nb_args++] = g_strdup("");
3635 /* 2. auto complete according to args */
3636 monitor_find_completion_by_table(mon, mon->cmd_table, args, nb_args);
3639 free_cmdline_args(args, nb_args);
3642 static int monitor_can_read(void *opaque)
3644 Monitor *mon = opaque;
3646 return (mon->suspend_cnt == 0) ? 1 : 0;
3649 static bool invalid_qmp_mode(const Monitor *mon, const mon_cmd_t *cmd,
3652 bool is_cap = cmd->mhandler.cmd_new == qmp_capabilities;
3654 if (is_cap && mon->qmp.in_command_mode) {
3655 error_set(errp, ERROR_CLASS_COMMAND_NOT_FOUND,
3656 "Capabilities negotiation is already complete, command "
3657 "'%s' ignored", cmd->name);
3660 if (!is_cap && !mon->qmp.in_command_mode) {
3661 error_set(errp, ERROR_CLASS_COMMAND_NOT_FOUND,
3662 "Expecting capabilities negotiation with "
3663 "'qmp_capabilities' before command '%s'", cmd->name);
3670 * Argument validation rules:
3672 * 1. The argument must exist in cmd_args qdict
3673 * 2. The argument type must be the expected one
3675 * Special case: If the argument doesn't exist in cmd_args and
3676 * the QMP_ACCEPT_UNKNOWNS flag is set, then the
3677 * checking is skipped for it.
3679 static void check_client_args_type(const QDict *client_args,
3680 const QDict *cmd_args, int flags,
3683 const QDictEntry *ent;
3685 for (ent = qdict_first(client_args); ent;ent = qdict_next(client_args,ent)){
3688 const QObject *client_arg = qdict_entry_value(ent);
3689 const char *client_arg_name = qdict_entry_key(ent);
3691 obj = qdict_get(cmd_args, client_arg_name);
3693 if (flags & QMP_ACCEPT_UNKNOWNS) {
3694 /* handler accepts unknowns */
3697 /* client arg doesn't exist */
3698 error_setg(errp, QERR_INVALID_PARAMETER, client_arg_name);
3702 arg_type = qobject_to_qstring(obj);
3703 assert(arg_type != NULL);
3705 /* check if argument's type is correct */
3706 switch (qstring_get_str(arg_type)[0]) {
3710 if (qobject_type(client_arg) != QTYPE_QSTRING) {
3711 error_setg(errp, QERR_INVALID_PARAMETER_TYPE,
3712 client_arg_name, "string");
3720 if (qobject_type(client_arg) != QTYPE_QINT) {
3721 error_setg(errp, QERR_INVALID_PARAMETER_TYPE,
3722 client_arg_name, "int");
3727 if (qobject_type(client_arg) != QTYPE_QINT &&
3728 qobject_type(client_arg) != QTYPE_QFLOAT) {
3729 error_setg(errp, QERR_INVALID_PARAMETER_TYPE,
3730 client_arg_name, "number");
3736 if (qobject_type(client_arg) != QTYPE_QBOOL) {
3737 error_setg(errp, QERR_INVALID_PARAMETER_TYPE,
3738 client_arg_name, "bool");
3743 assert(flags & QMP_ACCEPT_UNKNOWNS);
3746 /* Any QObject can be passed. */
3751 * These types are not supported by QMP and thus are not
3752 * handled here. Fall through.
3761 * - Check if the client has passed all mandatory args
3762 * - Set special flags for argument validation
3764 static void check_mandatory_args(const QDict *cmd_args,
3765 const QDict *client_args, int *flags,
3768 const QDictEntry *ent;
3770 for (ent = qdict_first(cmd_args); ent; ent = qdict_next(cmd_args, ent)) {
3771 const char *cmd_arg_name = qdict_entry_key(ent);
3772 QString *type = qobject_to_qstring(qdict_entry_value(ent));
3773 assert(type != NULL);
3775 if (qstring_get_str(type)[0] == 'O') {
3776 assert((*flags & QMP_ACCEPT_UNKNOWNS) == 0);
3777 *flags |= QMP_ACCEPT_UNKNOWNS;
3778 } else if (qstring_get_str(type)[0] != '-' &&
3779 qstring_get_str(type)[1] != '?' &&
3780 !qdict_haskey(client_args, cmd_arg_name)) {
3781 error_setg(errp, QERR_MISSING_PARAMETER, cmd_arg_name);
3787 static QDict *qdict_from_args_type(const char *args_type)
3791 QString *key, *type, *cur_qs;
3793 assert(args_type != NULL);
3795 qdict = qdict_new();
3797 if (args_type == NULL || args_type[0] == '\0') {
3798 /* no args, empty qdict */
3802 key = qstring_new();
3803 type = qstring_new();
3808 switch (args_type[i]) {
3811 qdict_put(qdict, qstring_get_str(key), type);
3813 if (args_type[i] == '\0') {
3816 type = qstring_new(); /* qdict has ref */
3817 cur_qs = key = qstring_new();
3823 qstring_append_chr(cur_qs, args_type[i]);
3833 * Client argument checking rules:
3835 * 1. Client must provide all mandatory arguments
3836 * 2. Each argument provided by the client must be expected
3837 * 3. Each argument provided by the client must have the type expected
3840 static void qmp_check_client_args(const mon_cmd_t *cmd, QDict *client_args,
3847 cmd_args = qdict_from_args_type(cmd->args_type);
3850 check_mandatory_args(cmd_args, client_args, &flags, &err);
3855 check_client_args_type(client_args, cmd_args, flags, &err);
3858 error_propagate(errp, err);
3863 * Input object checking rules
3865 * 1. Input object must be a dict
3866 * 2. The "execute" key must exist
3867 * 3. The "execute" key must be a string
3868 * 4. If the "arguments" key exists, it must be a dict
3869 * 5. If the "id" key exists, it can be anything (ie. json-value)
3870 * 6. Any argument not listed above is considered invalid
3872 static QDict *qmp_check_input_obj(QObject *input_obj, Error **errp)
3874 const QDictEntry *ent;
3875 int has_exec_key = 0;
3878 if (qobject_type(input_obj) != QTYPE_QDICT) {
3879 error_setg(errp, QERR_QMP_BAD_INPUT_OBJECT, "object");
3883 input_dict = qobject_to_qdict(input_obj);
3885 for (ent = qdict_first(input_dict); ent; ent = qdict_next(input_dict, ent)){
3886 const char *arg_name = qdict_entry_key(ent);
3887 const QObject *arg_obj = qdict_entry_value(ent);
3889 if (!strcmp(arg_name, "execute")) {
3890 if (qobject_type(arg_obj) != QTYPE_QSTRING) {
3891 error_setg(errp, QERR_QMP_BAD_INPUT_OBJECT_MEMBER,
3892 "execute", "string");
3896 } else if (!strcmp(arg_name, "arguments")) {
3897 if (qobject_type(arg_obj) != QTYPE_QDICT) {
3898 error_setg(errp, QERR_QMP_BAD_INPUT_OBJECT_MEMBER,
3899 "arguments", "object");
3902 } else if (!strcmp(arg_name, "id")) {
3903 /* Any string is acceptable as "id", so nothing to check */
3905 error_setg(errp, QERR_QMP_EXTRA_MEMBER, arg_name);
3910 if (!has_exec_key) {
3911 error_setg(errp, QERR_QMP_BAD_INPUT_OBJECT, "execute");
3918 static void handle_qmp_command(JSONMessageParser *parser, GQueue *tokens)
3920 Error *local_err = NULL;
3921 QObject *obj, *data;
3922 QDict *input, *args;
3923 const mon_cmd_t *cmd;
3924 const char *cmd_name;
3925 Monitor *mon = cur_mon;
3927 args = input = NULL;
3930 obj = json_parser_parse(tokens, NULL);
3932 // FIXME: should be triggered in json_parser_parse()
3933 error_setg(&local_err, QERR_JSON_PARSING);
3937 input = qmp_check_input_obj(obj, &local_err);
3939 qobject_decref(obj);
3943 mon->qmp.id = qdict_get(input, "id");
3944 qobject_incref(mon->qmp.id);
3946 cmd_name = qdict_get_str(input, "execute");
3947 trace_handle_qmp_command(mon, cmd_name);
3948 cmd = qmp_find_cmd(cmd_name);
3950 error_set(&local_err, ERROR_CLASS_COMMAND_NOT_FOUND,
3951 "The command %s has not been found", cmd_name);
3954 if (invalid_qmp_mode(mon, cmd, &local_err)) {
3958 obj = qdict_get(input, "arguments");
3962 args = qobject_to_qdict(obj);
3966 qmp_check_client_args(cmd, args, &local_err);
3971 cmd->mhandler.cmd_new(args, &data, &local_err);
3974 monitor_protocol_emitter(mon, data, local_err);
3975 qobject_decref(data);
3976 error_free(local_err);
3981 static void monitor_qmp_read(void *opaque, const uint8_t *buf, int size)
3983 Monitor *old_mon = cur_mon;
3987 json_message_parser_feed(&cur_mon->qmp.parser, (const char *) buf, size);
3992 static void monitor_read(void *opaque, const uint8_t *buf, int size)
3994 Monitor *old_mon = cur_mon;
4000 for (i = 0; i < size; i++)
4001 readline_handle_byte(cur_mon->rs, buf[i]);
4003 if (size == 0 || buf[size - 1] != 0)
4004 monitor_printf(cur_mon, "corrupted command\n");
4006 handle_hmp_command(cur_mon, (char *)buf);
4012 static void monitor_command_cb(void *opaque, const char *cmdline,
4013 void *readline_opaque)
4015 Monitor *mon = opaque;
4017 monitor_suspend(mon);
4018 handle_hmp_command(mon, cmdline);
4019 monitor_resume(mon);
4022 int monitor_suspend(Monitor *mon)
4030 void monitor_resume(Monitor *mon)
4034 if (--mon->suspend_cnt == 0)
4035 readline_show_prompt(mon->rs);
4038 static QObject *get_qmp_greeting(void)
4040 QObject *ver = NULL;
4042 qmp_marshal_query_version(NULL, &ver, NULL);
4043 return qobject_from_jsonf("{'QMP':{'version': %p,'capabilities': []}}",ver);
4046 static void monitor_qmp_event(void *opaque, int event)
4049 Monitor *mon = opaque;
4052 case CHR_EVENT_OPENED:
4053 mon->qmp.in_command_mode = false;
4054 data = get_qmp_greeting();
4055 monitor_json_emitter(mon, data);
4056 qobject_decref(data);
4059 case CHR_EVENT_CLOSED:
4060 json_message_parser_destroy(&mon->qmp.parser);
4061 json_message_parser_init(&mon->qmp.parser, handle_qmp_command);
4063 monitor_fdsets_cleanup();
4068 static void monitor_event(void *opaque, int event)
4070 Monitor *mon = opaque;
4073 case CHR_EVENT_MUX_IN:
4074 qemu_mutex_lock(&mon->out_lock);
4076 qemu_mutex_unlock(&mon->out_lock);
4077 if (mon->reset_seen) {
4078 readline_restart(mon->rs);
4079 monitor_resume(mon);
4082 mon->suspend_cnt = 0;
4086 case CHR_EVENT_MUX_OUT:
4087 if (mon->reset_seen) {
4088 if (mon->suspend_cnt == 0) {
4089 monitor_printf(mon, "\n");
4092 monitor_suspend(mon);
4096 qemu_mutex_lock(&mon->out_lock);
4098 qemu_mutex_unlock(&mon->out_lock);
4101 case CHR_EVENT_OPENED:
4102 monitor_printf(mon, "QEMU %s monitor - type 'help' for more "
4103 "information\n", QEMU_VERSION);
4104 if (!mon->mux_out) {
4105 readline_restart(mon->rs);
4106 readline_show_prompt(mon->rs);
4108 mon->reset_seen = 1;
4112 case CHR_EVENT_CLOSED:
4114 monitor_fdsets_cleanup();
4120 compare_mon_cmd(const void *a, const void *b)
4122 return strcmp(((const mon_cmd_t *)a)->name,
4123 ((const mon_cmd_t *)b)->name);
4126 static void sortcmdlist(void)
4129 int elem_size = sizeof(mon_cmd_t);
4131 array_num = sizeof(mon_cmds)/elem_size-1;
4132 qsort((void *)mon_cmds, array_num, elem_size, compare_mon_cmd);
4134 array_num = sizeof(info_cmds)/elem_size-1;
4135 qsort((void *)info_cmds, array_num, elem_size, compare_mon_cmd);
4138 /* These functions just adapt the readline interface in a typesafe way. We
4139 * could cast function pointers but that discards compiler checks.
4141 static void GCC_FMT_ATTR(2, 3) monitor_readline_printf(void *opaque,
4142 const char *fmt, ...)
4146 monitor_vprintf(opaque, fmt, ap);
4150 static void monitor_readline_flush(void *opaque)
4152 monitor_flush(opaque);
4155 static void __attribute__((constructor)) monitor_lock_init(void)
4157 qemu_mutex_init(&monitor_lock);
4160 void monitor_init(CharDriverState *chr, int flags)
4162 static int is_first_init = 1;
4165 if (is_first_init) {
4166 monitor_qapi_event_init();
4171 mon = g_malloc(sizeof(*mon));
4172 monitor_data_init(mon);
4176 if (flags & MONITOR_USE_READLINE) {
4177 mon->rs = readline_init(monitor_readline_printf,
4178 monitor_readline_flush,
4180 monitor_find_completion);
4181 monitor_read_command(mon, 0);
4184 if (monitor_is_qmp(mon)) {
4185 qemu_chr_add_handlers(chr, monitor_can_read, monitor_qmp_read,
4186 monitor_qmp_event, mon);
4187 qemu_chr_fe_set_echo(chr, true);
4188 json_message_parser_init(&mon->qmp.parser, handle_qmp_command);
4190 qemu_chr_add_handlers(chr, monitor_can_read, monitor_read,
4191 monitor_event, mon);
4194 qemu_mutex_lock(&monitor_lock);
4195 QLIST_INSERT_HEAD(&mon_list, mon, entry);
4196 qemu_mutex_unlock(&monitor_lock);
4199 static void bdrv_password_cb(void *opaque, const char *password,
4200 void *readline_opaque)
4202 Monitor *mon = opaque;
4203 BlockDriverState *bs = readline_opaque;
4205 Error *local_err = NULL;
4207 bdrv_add_key(bs, password, &local_err);
4209 error_report_err(local_err);
4212 if (mon->password_completion_cb)
4213 mon->password_completion_cb(mon->password_opaque, ret);
4215 monitor_read_command(mon, 1);
4218 int monitor_read_bdrv_key_start(Monitor *mon, BlockDriverState *bs,
4219 BlockCompletionFunc *completion_cb,
4224 monitor_printf(mon, "%s (%s) is encrypted.\n", bdrv_get_device_name(bs),
4225 bdrv_get_encrypted_filename(bs));
4227 mon->password_completion_cb = completion_cb;
4228 mon->password_opaque = opaque;
4230 err = monitor_read_password(mon, bdrv_password_cb, bs);
4232 if (err && completion_cb)
4233 completion_cb(opaque, err);
4238 int monitor_read_block_device_key(Monitor *mon, const char *device,
4239 BlockCompletionFunc *completion_cb,
4245 blk = blk_by_name(device);
4247 monitor_printf(mon, "Device not found %s\n", device);
4251 monitor_printf(mon, "Device '%s' has no medium\n", device);
4255 bdrv_add_key(blk_bs(blk), NULL, &err);
4258 return monitor_read_bdrv_key_start(mon, blk_bs(blk), completion_cb, opaque);
4261 if (completion_cb) {
4262 completion_cb(opaque, 0);
4267 QemuOptsList qemu_mon_opts = {
4269 .implied_opt_name = "chardev",
4270 .head = QTAILQ_HEAD_INITIALIZER(qemu_mon_opts.head),
4274 .type = QEMU_OPT_STRING,
4277 .type = QEMU_OPT_STRING,
4280 .type = QEMU_OPT_BOOL,
4283 .type = QEMU_OPT_BOOL,
4285 { /* end of list */ }
4290 void qmp_rtc_reset_reinjection(Error **errp)
4292 error_setg(errp, QERR_FEATURE_DISABLED, "rtc-reset-reinjection");
4296 #ifndef TARGET_S390X
4297 void qmp_dump_skeys(const char *filename, Error **errp)
4299 error_setg(errp, QERR_FEATURE_DISABLED, "dump-skeys");
4304 GICCapabilityList *qmp_query_gic_capabilities(Error **errp)
4306 error_setg(errp, QERR_FEATURE_DISABLED, "query-gic-capabilities");
4311 HotpluggableCPUList *qmp_query_hotpluggable_cpus(Error **errp)
4313 MachineState *ms = MACHINE(qdev_get_machine());
4314 MachineClass *mc = MACHINE_GET_CLASS(ms);
4316 if (!mc->query_hotpluggable_cpus) {
4317 error_setg(errp, QERR_FEATURE_DISABLED, "query-hotpluggable-cpus");
4321 return mc->query_hotpluggable_cpus(ms);