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"
27 #include "monitor/qdev.h"
29 #include "hw/i386/pc.h"
30 #include "hw/pci/pci.h"
31 #include "sysemu/watchdog.h"
32 #include "hw/loader.h"
33 #include "exec/gdbstub.h"
35 #include "net/slirp.h"
36 #include "sysemu/char.h"
37 #include "ui/qemu-spice.h"
38 #include "sysemu/sysemu.h"
39 #include "sysemu/numa.h"
40 #include "monitor/monitor.h"
41 #include "qemu/readline.h"
42 #include "ui/console.h"
44 #include "sysemu/blockdev.h"
45 #include "sysemu/block-backend.h"
46 #include "audio/audio.h"
47 #include "disas/disas.h"
48 #include "sysemu/balloon.h"
49 #include "qemu/timer.h"
50 #include "migration/migration.h"
51 #include "sysemu/kvm.h"
53 #include "sysemu/tpm.h"
54 #include "qapi/qmp/qerror.h"
55 #include "qapi/qmp/qint.h"
56 #include "qapi/qmp/qfloat.h"
57 #include "qapi/qmp/qlist.h"
58 #include "qapi/qmp/qbool.h"
59 #include "qapi/qmp/qstring.h"
60 #include "qapi/qmp/qjson.h"
61 #include "qapi/qmp/json-streamer.h"
62 #include "qapi/qmp/json-parser.h"
63 #include <qom/object_interfaces.h>
66 #include "trace/control.h"
67 #include "monitor/hmp-target.h"
68 #ifdef CONFIG_TRACE_SIMPLE
69 #include "trace/simple.h"
71 #include "exec/memory.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 Error *local_err = NULL;
909 qmp_trace_event_set_state(tp_name, new_state, true, true, &local_err);
911 error_report_err(local_err);
915 #ifdef CONFIG_TRACE_SIMPLE
916 static void hmp_trace_file(Monitor *mon, const QDict *qdict)
918 const char *op = qdict_get_try_str(qdict, "op");
919 const char *arg = qdict_get_try_str(qdict, "arg");
922 st_print_trace_file_status((FILE *)mon, &monitor_fprintf);
923 } else if (!strcmp(op, "on")) {
924 st_set_trace_file_enabled(true);
925 } else if (!strcmp(op, "off")) {
926 st_set_trace_file_enabled(false);
927 } else if (!strcmp(op, "flush")) {
928 st_flush_trace_buffer();
929 } else if (!strcmp(op, "set")) {
931 st_set_trace_file(arg);
934 monitor_printf(mon, "unexpected argument \"%s\"\n", op);
935 help_cmd(mon, "trace-file");
940 static void hmp_info_help(Monitor *mon, const QDict *qdict)
942 help_cmd(mon, "info");
945 CommandInfoList *qmp_query_commands(Error **errp)
947 CommandInfoList *info, *cmd_list = NULL;
948 const mon_cmd_t *cmd;
950 for (cmd = qmp_cmds; cmd->name != NULL; cmd++) {
951 info = g_malloc0(sizeof(*info));
952 info->value = g_malloc0(sizeof(*info->value));
953 info->value->name = g_strdup(cmd->name);
955 info->next = cmd_list;
962 EventInfoList *qmp_query_events(Error **errp)
964 EventInfoList *info, *ev_list = NULL;
967 for (e = 0 ; e < QAPI_EVENT__MAX ; e++) {
968 const char *event_name = QAPIEvent_lookup[e];
969 assert(event_name != NULL);
970 info = g_malloc0(sizeof(*info));
971 info->value = g_malloc0(sizeof(*info->value));
972 info->value->name = g_strdup(event_name);
974 info->next = ev_list;
982 * Minor hack: generated marshalling suppressed for this command
983 * ('gen': false in the schema) so we can parse the JSON string
984 * directly into QObject instead of first parsing it with
985 * visit_type_SchemaInfoList() into a SchemaInfoList, then marshal it
986 * to QObject with generated output marshallers, every time. Instead,
987 * we do it in test-qmp-input-visitor.c, just to make sure
988 * qapi-introspect.py's output actually conforms to the schema.
990 static void qmp_query_qmp_schema(QDict *qdict, QObject **ret_data,
993 *ret_data = qobject_from_json(qmp_schema_json);
996 /* set the current CPU defined by the user */
997 int monitor_set_cpu(int cpu_index)
1001 cpu = qemu_get_cpu(cpu_index);
1005 cur_mon->mon_cpu = cpu;
1009 CPUState *mon_get_cpu(void)
1011 if (!cur_mon->mon_cpu) {
1014 cpu_synchronize_state(cur_mon->mon_cpu);
1015 return cur_mon->mon_cpu;
1018 CPUArchState *mon_get_cpu_env(void)
1020 return mon_get_cpu()->env_ptr;
1023 int monitor_get_cpu_index(void)
1025 return mon_get_cpu()->cpu_index;
1028 static void hmp_info_registers(Monitor *mon, const QDict *qdict)
1030 cpu_dump_state(mon_get_cpu(), (FILE *)mon, monitor_fprintf, CPU_DUMP_FPU);
1033 static void hmp_info_jit(Monitor *mon, const QDict *qdict)
1035 dump_exec_info((FILE *)mon, monitor_fprintf);
1036 dump_drift_info((FILE *)mon, monitor_fprintf);
1039 static void hmp_info_opcount(Monitor *mon, const QDict *qdict)
1041 dump_opcount_info((FILE *)mon, monitor_fprintf);
1044 static void hmp_info_history(Monitor *mon, const QDict *qdict)
1053 str = readline_get_history(mon->rs, i);
1056 monitor_printf(mon, "%d: '%s'\n", i, str);
1061 static void hmp_info_cpustats(Monitor *mon, const QDict *qdict)
1063 cpu_dump_statistics(mon_get_cpu(), (FILE *)mon, &monitor_fprintf, 0);
1066 static void hmp_info_trace_events(Monitor *mon, const QDict *qdict)
1068 TraceEventInfoList *events = qmp_trace_event_get_state("*", NULL);
1069 TraceEventInfoList *elem;
1071 for (elem = events; elem != NULL; elem = elem->next) {
1072 monitor_printf(mon, "%s : state %u\n",
1074 elem->value->state == TRACE_EVENT_STATE_ENABLED ? 1 : 0);
1076 qapi_free_TraceEventInfoList(events);
1079 void qmp_client_migrate_info(const char *protocol, const char *hostname,
1080 bool has_port, int64_t port,
1081 bool has_tls_port, int64_t tls_port,
1082 bool has_cert_subject, const char *cert_subject,
1085 if (strcmp(protocol, "spice") == 0) {
1086 if (!qemu_using_spice(errp)) {
1090 if (!has_port && !has_tls_port) {
1091 error_setg(errp, QERR_MISSING_PARAMETER, "port/tls-port");
1095 if (qemu_spice_migrate_info(hostname,
1096 has_port ? port : -1,
1097 has_tls_port ? tls_port : -1,
1099 error_setg(errp, QERR_UNDEFINED_ERROR);
1105 error_setg(errp, QERR_INVALID_PARAMETER_VALUE, "protocol", "spice");
1108 static void hmp_logfile(Monitor *mon, const QDict *qdict)
1110 qemu_set_log_filename(qdict_get_str(qdict, "filename"));
1113 static void hmp_log(Monitor *mon, const QDict *qdict)
1116 const char *items = qdict_get_str(qdict, "items");
1118 if (!strcmp(items, "none")) {
1121 mask = qemu_str_to_log_mask(items);
1123 help_cmd(mon, "log");
1130 static void hmp_singlestep(Monitor *mon, const QDict *qdict)
1132 const char *option = qdict_get_try_str(qdict, "option");
1133 if (!option || !strcmp(option, "on")) {
1135 } else if (!strcmp(option, "off")) {
1138 monitor_printf(mon, "unexpected option %s\n", option);
1142 static void hmp_gdbserver(Monitor *mon, const QDict *qdict)
1144 const char *device = qdict_get_try_str(qdict, "device");
1146 device = "tcp::" DEFAULT_GDBSTUB_PORT;
1147 if (gdbserver_start(device) < 0) {
1148 monitor_printf(mon, "Could not open gdbserver on device '%s'\n",
1150 } else if (strcmp(device, "none") == 0) {
1151 monitor_printf(mon, "Disabled gdbserver\n");
1153 monitor_printf(mon, "Waiting for gdb connection on device '%s'\n",
1158 static void hmp_watchdog_action(Monitor *mon, const QDict *qdict)
1160 const char *action = qdict_get_str(qdict, "action");
1161 if (select_watchdog_action(action) == -1) {
1162 monitor_printf(mon, "Unknown watchdog action '%s'\n", action);
1166 static void monitor_printc(Monitor *mon, int c)
1168 monitor_printf(mon, "'");
1171 monitor_printf(mon, "\\'");
1174 monitor_printf(mon, "\\\\");
1177 monitor_printf(mon, "\\n");
1180 monitor_printf(mon, "\\r");
1183 if (c >= 32 && c <= 126) {
1184 monitor_printf(mon, "%c", c);
1186 monitor_printf(mon, "\\x%02x", c);
1190 monitor_printf(mon, "'");
1193 static void memory_dump(Monitor *mon, int count, int format, int wsize,
1194 hwaddr addr, int is_physical)
1196 int l, line_size, i, max_digits, len;
1200 if (format == 'i') {
1203 CPUArchState *env = mon_get_cpu_env();
1206 } else if (wsize == 4) {
1209 /* as default we use the current CS size */
1212 #ifdef TARGET_X86_64
1213 if ((env->efer & MSR_EFER_LMA) &&
1214 (env->segs[R_CS].flags & DESC_L_MASK))
1218 if (!(env->segs[R_CS].flags & DESC_B_MASK))
1224 CPUArchState *env = mon_get_cpu_env();
1225 flags = msr_le << 16;
1226 flags |= env->bfd_mach;
1228 monitor_disas(mon, mon_get_cpu(), addr, count, is_physical, flags);
1232 len = wsize * count;
1241 max_digits = (wsize * 8 + 2) / 3;
1245 max_digits = (wsize * 8) / 4;
1249 max_digits = (wsize * 8 * 10 + 32) / 33;
1258 monitor_printf(mon, TARGET_FMT_plx ":", addr);
1260 monitor_printf(mon, TARGET_FMT_lx ":", (target_ulong)addr);
1265 cpu_physical_memory_read(addr, buf, l);
1267 if (cpu_memory_rw_debug(mon_get_cpu(), addr, buf, l, 0) < 0) {
1268 monitor_printf(mon, " Cannot access memory\n");
1277 v = ldub_p(buf + i);
1280 v = lduw_p(buf + i);
1283 v = (uint32_t)ldl_p(buf + i);
1289 monitor_printf(mon, " ");
1292 monitor_printf(mon, "%#*" PRIo64, max_digits, v);
1295 monitor_printf(mon, "0x%0*" PRIx64, max_digits, v);
1298 monitor_printf(mon, "%*" PRIu64, max_digits, v);
1301 monitor_printf(mon, "%*" PRId64, max_digits, v);
1304 monitor_printc(mon, v);
1309 monitor_printf(mon, "\n");
1315 static void hmp_memory_dump(Monitor *mon, const QDict *qdict)
1317 int count = qdict_get_int(qdict, "count");
1318 int format = qdict_get_int(qdict, "format");
1319 int size = qdict_get_int(qdict, "size");
1320 target_long addr = qdict_get_int(qdict, "addr");
1322 memory_dump(mon, count, format, size, addr, 0);
1325 static void hmp_physical_memory_dump(Monitor *mon, const QDict *qdict)
1327 int count = qdict_get_int(qdict, "count");
1328 int format = qdict_get_int(qdict, "format");
1329 int size = qdict_get_int(qdict, "size");
1330 hwaddr addr = qdict_get_int(qdict, "addr");
1332 memory_dump(mon, count, format, size, addr, 1);
1335 static void do_print(Monitor *mon, const QDict *qdict)
1337 int format = qdict_get_int(qdict, "format");
1338 hwaddr val = qdict_get_int(qdict, "val");
1342 monitor_printf(mon, "%#" HWADDR_PRIo, val);
1345 monitor_printf(mon, "%#" HWADDR_PRIx, val);
1348 monitor_printf(mon, "%" HWADDR_PRIu, val);
1352 monitor_printf(mon, "%" HWADDR_PRId, val);
1355 monitor_printc(mon, val);
1358 monitor_printf(mon, "\n");
1361 static void hmp_sum(Monitor *mon, const QDict *qdict)
1365 uint32_t start = qdict_get_int(qdict, "start");
1366 uint32_t size = qdict_get_int(qdict, "size");
1369 for(addr = start; addr < (start + size); addr++) {
1370 uint8_t val = address_space_ldub(&address_space_memory, addr,
1371 MEMTXATTRS_UNSPECIFIED, NULL);
1372 /* BSD sum algorithm ('sum' Unix command) */
1373 sum = (sum >> 1) | (sum << 15);
1376 monitor_printf(mon, "%05d\n", sum);
1379 static int mouse_button_state;
1381 static void hmp_mouse_move(Monitor *mon, const QDict *qdict)
1383 int dx, dy, dz, button;
1384 const char *dx_str = qdict_get_str(qdict, "dx_str");
1385 const char *dy_str = qdict_get_str(qdict, "dy_str");
1386 const char *dz_str = qdict_get_try_str(qdict, "dz_str");
1388 dx = strtol(dx_str, NULL, 0);
1389 dy = strtol(dy_str, NULL, 0);
1390 qemu_input_queue_rel(NULL, INPUT_AXIS_X, dx);
1391 qemu_input_queue_rel(NULL, INPUT_AXIS_Y, dy);
1394 dz = strtol(dz_str, NULL, 0);
1396 button = (dz > 0) ? INPUT_BUTTON_WHEEL_UP : INPUT_BUTTON_WHEEL_DOWN;
1397 qemu_input_queue_btn(NULL, button, true);
1398 qemu_input_event_sync();
1399 qemu_input_queue_btn(NULL, button, false);
1402 qemu_input_event_sync();
1405 static void hmp_mouse_button(Monitor *mon, const QDict *qdict)
1407 static uint32_t bmap[INPUT_BUTTON__MAX] = {
1408 [INPUT_BUTTON_LEFT] = MOUSE_EVENT_LBUTTON,
1409 [INPUT_BUTTON_MIDDLE] = MOUSE_EVENT_MBUTTON,
1410 [INPUT_BUTTON_RIGHT] = MOUSE_EVENT_RBUTTON,
1412 int button_state = qdict_get_int(qdict, "button_state");
1414 if (mouse_button_state == button_state) {
1417 qemu_input_update_buttons(NULL, bmap, mouse_button_state, button_state);
1418 qemu_input_event_sync();
1419 mouse_button_state = button_state;
1422 static void hmp_ioport_read(Monitor *mon, const QDict *qdict)
1424 int size = qdict_get_int(qdict, "size");
1425 int addr = qdict_get_int(qdict, "addr");
1426 int has_index = qdict_haskey(qdict, "index");
1431 int index = qdict_get_int(qdict, "index");
1432 cpu_outb(addr & IOPORTS_MASK, index & 0xff);
1440 val = cpu_inb(addr);
1444 val = cpu_inw(addr);
1448 val = cpu_inl(addr);
1452 monitor_printf(mon, "port%c[0x%04x] = %#0*x\n",
1453 suffix, addr, size * 2, val);
1456 static void hmp_ioport_write(Monitor *mon, const QDict *qdict)
1458 int size = qdict_get_int(qdict, "size");
1459 int addr = qdict_get_int(qdict, "addr");
1460 int val = qdict_get_int(qdict, "val");
1462 addr &= IOPORTS_MASK;
1467 cpu_outb(addr, val);
1470 cpu_outw(addr, val);
1473 cpu_outl(addr, val);
1478 static void hmp_boot_set(Monitor *mon, const QDict *qdict)
1480 Error *local_err = NULL;
1481 const char *bootdevice = qdict_get_str(qdict, "bootdevice");
1483 qemu_boot_set(bootdevice, &local_err);
1485 error_report_err(local_err);
1487 monitor_printf(mon, "boot device list now set to %s\n", bootdevice);
1491 static void hmp_info_mtree(Monitor *mon, const QDict *qdict)
1493 mtree_info((fprintf_function)monitor_printf, mon);
1496 static void hmp_info_numa(Monitor *mon, const QDict *qdict)
1502 node_mem = g_new0(uint64_t, nb_numa_nodes);
1503 query_numa_node_mem(node_mem);
1504 monitor_printf(mon, "%d nodes\n", nb_numa_nodes);
1505 for (i = 0; i < nb_numa_nodes; i++) {
1506 monitor_printf(mon, "node %d cpus:", i);
1508 if (cpu->numa_node == i) {
1509 monitor_printf(mon, " %d", cpu->cpu_index);
1512 monitor_printf(mon, "\n");
1513 monitor_printf(mon, "node %d size: %" PRId64 " MB\n", i,
1519 #ifdef CONFIG_PROFILER
1524 static void hmp_info_profile(Monitor *mon, const QDict *qdict)
1526 monitor_printf(mon, "async time %" PRId64 " (%0.3f)\n",
1527 dev_time, dev_time / (double)NANOSECONDS_PER_SECOND);
1528 monitor_printf(mon, "qemu time %" PRId64 " (%0.3f)\n",
1529 tcg_time, tcg_time / (double)NANOSECONDS_PER_SECOND);
1534 static void hmp_info_profile(Monitor *mon, const QDict *qdict)
1536 monitor_printf(mon, "Internal profiler not compiled\n");
1540 /* Capture support */
1541 static QLIST_HEAD (capture_list_head, CaptureState) capture_head;
1543 static void hmp_info_capture(Monitor *mon, const QDict *qdict)
1548 for (s = capture_head.lh_first, i = 0; s; s = s->entries.le_next, ++i) {
1549 monitor_printf(mon, "[%d]: ", i);
1550 s->ops.info (s->opaque);
1554 static void hmp_stopcapture(Monitor *mon, const QDict *qdict)
1557 int n = qdict_get_int(qdict, "n");
1560 for (s = capture_head.lh_first, i = 0; s; s = s->entries.le_next, ++i) {
1562 s->ops.destroy (s->opaque);
1563 QLIST_REMOVE (s, entries);
1570 static void hmp_wavcapture(Monitor *mon, const QDict *qdict)
1572 const char *path = qdict_get_str(qdict, "path");
1573 int has_freq = qdict_haskey(qdict, "freq");
1574 int freq = qdict_get_try_int(qdict, "freq", -1);
1575 int has_bits = qdict_haskey(qdict, "bits");
1576 int bits = qdict_get_try_int(qdict, "bits", -1);
1577 int has_channels = qdict_haskey(qdict, "nchannels");
1578 int nchannels = qdict_get_try_int(qdict, "nchannels", -1);
1581 s = g_malloc0 (sizeof (*s));
1583 freq = has_freq ? freq : 44100;
1584 bits = has_bits ? bits : 16;
1585 nchannels = has_channels ? nchannels : 2;
1587 if (wav_start_capture (s, path, freq, bits, nchannels)) {
1588 monitor_printf(mon, "Failed to add wave capture\n");
1592 QLIST_INSERT_HEAD (&capture_head, s, entries);
1595 static qemu_acl *find_acl(Monitor *mon, const char *name)
1597 qemu_acl *acl = qemu_acl_find(name);
1600 monitor_printf(mon, "acl: unknown list '%s'\n", name);
1605 static void hmp_acl_show(Monitor *mon, const QDict *qdict)
1607 const char *aclname = qdict_get_str(qdict, "aclname");
1608 qemu_acl *acl = find_acl(mon, aclname);
1609 qemu_acl_entry *entry;
1613 monitor_printf(mon, "policy: %s\n",
1614 acl->defaultDeny ? "deny" : "allow");
1615 QTAILQ_FOREACH(entry, &acl->entries, next) {
1617 monitor_printf(mon, "%d: %s %s\n", i,
1618 entry->deny ? "deny" : "allow", entry->match);
1623 static void hmp_acl_reset(Monitor *mon, const QDict *qdict)
1625 const char *aclname = qdict_get_str(qdict, "aclname");
1626 qemu_acl *acl = find_acl(mon, aclname);
1629 qemu_acl_reset(acl);
1630 monitor_printf(mon, "acl: removed all rules\n");
1634 static void hmp_acl_policy(Monitor *mon, const QDict *qdict)
1636 const char *aclname = qdict_get_str(qdict, "aclname");
1637 const char *policy = qdict_get_str(qdict, "policy");
1638 qemu_acl *acl = find_acl(mon, aclname);
1641 if (strcmp(policy, "allow") == 0) {
1642 acl->defaultDeny = 0;
1643 monitor_printf(mon, "acl: policy set to 'allow'\n");
1644 } else if (strcmp(policy, "deny") == 0) {
1645 acl->defaultDeny = 1;
1646 monitor_printf(mon, "acl: policy set to 'deny'\n");
1648 monitor_printf(mon, "acl: unknown policy '%s', "
1649 "expected 'deny' or 'allow'\n", policy);
1654 static void hmp_acl_add(Monitor *mon, const QDict *qdict)
1656 const char *aclname = qdict_get_str(qdict, "aclname");
1657 const char *match = qdict_get_str(qdict, "match");
1658 const char *policy = qdict_get_str(qdict, "policy");
1659 int has_index = qdict_haskey(qdict, "index");
1660 int index = qdict_get_try_int(qdict, "index", -1);
1661 qemu_acl *acl = find_acl(mon, aclname);
1665 if (strcmp(policy, "allow") == 0) {
1667 } else if (strcmp(policy, "deny") == 0) {
1670 monitor_printf(mon, "acl: unknown policy '%s', "
1671 "expected 'deny' or 'allow'\n", policy);
1675 ret = qemu_acl_insert(acl, deny, match, index);
1677 ret = qemu_acl_append(acl, deny, match);
1679 monitor_printf(mon, "acl: unable to add acl entry\n");
1681 monitor_printf(mon, "acl: added rule at position %d\n", ret);
1685 static void hmp_acl_remove(Monitor *mon, const QDict *qdict)
1687 const char *aclname = qdict_get_str(qdict, "aclname");
1688 const char *match = qdict_get_str(qdict, "match");
1689 qemu_acl *acl = find_acl(mon, aclname);
1693 ret = qemu_acl_remove(acl, match);
1695 monitor_printf(mon, "acl: no matching acl entry\n");
1697 monitor_printf(mon, "acl: removed rule at position %d\n", ret);
1701 void qmp_getfd(const char *fdname, Error **errp)
1706 fd = qemu_chr_fe_get_msgfd(cur_mon->chr);
1708 error_setg(errp, QERR_FD_NOT_SUPPLIED);
1712 if (qemu_isdigit(fdname[0])) {
1714 error_setg(errp, QERR_INVALID_PARAMETER_VALUE, "fdname",
1715 "a name not starting with a digit");
1719 QLIST_FOREACH(monfd, &cur_mon->fds, next) {
1720 if (strcmp(monfd->name, fdname) != 0) {
1729 monfd = g_malloc0(sizeof(mon_fd_t));
1730 monfd->name = g_strdup(fdname);
1733 QLIST_INSERT_HEAD(&cur_mon->fds, monfd, next);
1736 void qmp_closefd(const char *fdname, Error **errp)
1740 QLIST_FOREACH(monfd, &cur_mon->fds, next) {
1741 if (strcmp(monfd->name, fdname) != 0) {
1745 QLIST_REMOVE(monfd, next);
1747 g_free(monfd->name);
1752 error_setg(errp, QERR_FD_NOT_FOUND, fdname);
1755 static void hmp_loadvm(Monitor *mon, const QDict *qdict)
1757 int saved_vm_running = runstate_is_running();
1758 const char *name = qdict_get_str(qdict, "name");
1760 vm_stop(RUN_STATE_RESTORE_VM);
1762 if (load_vmstate(name) == 0 && saved_vm_running) {
1767 int monitor_get_fd(Monitor *mon, const char *fdname, Error **errp)
1771 QLIST_FOREACH(monfd, &mon->fds, next) {
1774 if (strcmp(monfd->name, fdname) != 0) {
1780 /* caller takes ownership of fd */
1781 QLIST_REMOVE(monfd, next);
1782 g_free(monfd->name);
1788 error_setg(errp, "File descriptor named '%s' has not been found", fdname);
1792 static void monitor_fdset_cleanup(MonFdset *mon_fdset)
1794 MonFdsetFd *mon_fdset_fd;
1795 MonFdsetFd *mon_fdset_fd_next;
1797 QLIST_FOREACH_SAFE(mon_fdset_fd, &mon_fdset->fds, next, mon_fdset_fd_next) {
1798 if ((mon_fdset_fd->removed ||
1799 (QLIST_EMPTY(&mon_fdset->dup_fds) && mon_refcount == 0)) &&
1800 runstate_is_running()) {
1801 close(mon_fdset_fd->fd);
1802 g_free(mon_fdset_fd->opaque);
1803 QLIST_REMOVE(mon_fdset_fd, next);
1804 g_free(mon_fdset_fd);
1808 if (QLIST_EMPTY(&mon_fdset->fds) && QLIST_EMPTY(&mon_fdset->dup_fds)) {
1809 QLIST_REMOVE(mon_fdset, next);
1814 static void monitor_fdsets_cleanup(void)
1816 MonFdset *mon_fdset;
1817 MonFdset *mon_fdset_next;
1819 QLIST_FOREACH_SAFE(mon_fdset, &mon_fdsets, next, mon_fdset_next) {
1820 monitor_fdset_cleanup(mon_fdset);
1824 AddfdInfo *qmp_add_fd(bool has_fdset_id, int64_t fdset_id, bool has_opaque,
1825 const char *opaque, Error **errp)
1828 Monitor *mon = cur_mon;
1831 fd = qemu_chr_fe_get_msgfd(mon->chr);
1833 error_setg(errp, QERR_FD_NOT_SUPPLIED);
1837 fdinfo = monitor_fdset_add_fd(fd, has_fdset_id, fdset_id,
1838 has_opaque, opaque, errp);
1850 void qmp_remove_fd(int64_t fdset_id, bool has_fd, int64_t fd, Error **errp)
1852 MonFdset *mon_fdset;
1853 MonFdsetFd *mon_fdset_fd;
1856 QLIST_FOREACH(mon_fdset, &mon_fdsets, next) {
1857 if (mon_fdset->id != fdset_id) {
1860 QLIST_FOREACH(mon_fdset_fd, &mon_fdset->fds, next) {
1862 if (mon_fdset_fd->fd != fd) {
1865 mon_fdset_fd->removed = true;
1868 mon_fdset_fd->removed = true;
1871 if (has_fd && !mon_fdset_fd) {
1874 monitor_fdset_cleanup(mon_fdset);
1880 snprintf(fd_str, sizeof(fd_str), "fdset-id:%" PRId64 ", fd:%" PRId64,
1883 snprintf(fd_str, sizeof(fd_str), "fdset-id:%" PRId64, fdset_id);
1885 error_setg(errp, QERR_FD_NOT_FOUND, fd_str);
1888 FdsetInfoList *qmp_query_fdsets(Error **errp)
1890 MonFdset *mon_fdset;
1891 MonFdsetFd *mon_fdset_fd;
1892 FdsetInfoList *fdset_list = NULL;
1894 QLIST_FOREACH(mon_fdset, &mon_fdsets, next) {
1895 FdsetInfoList *fdset_info = g_malloc0(sizeof(*fdset_info));
1896 FdsetFdInfoList *fdsetfd_list = NULL;
1898 fdset_info->value = g_malloc0(sizeof(*fdset_info->value));
1899 fdset_info->value->fdset_id = mon_fdset->id;
1901 QLIST_FOREACH(mon_fdset_fd, &mon_fdset->fds, next) {
1902 FdsetFdInfoList *fdsetfd_info;
1904 fdsetfd_info = g_malloc0(sizeof(*fdsetfd_info));
1905 fdsetfd_info->value = g_malloc0(sizeof(*fdsetfd_info->value));
1906 fdsetfd_info->value->fd = mon_fdset_fd->fd;
1907 if (mon_fdset_fd->opaque) {
1908 fdsetfd_info->value->has_opaque = true;
1909 fdsetfd_info->value->opaque = g_strdup(mon_fdset_fd->opaque);
1911 fdsetfd_info->value->has_opaque = false;
1914 fdsetfd_info->next = fdsetfd_list;
1915 fdsetfd_list = fdsetfd_info;
1918 fdset_info->value->fds = fdsetfd_list;
1920 fdset_info->next = fdset_list;
1921 fdset_list = fdset_info;
1927 AddfdInfo *monitor_fdset_add_fd(int fd, bool has_fdset_id, int64_t fdset_id,
1928 bool has_opaque, const char *opaque,
1931 MonFdset *mon_fdset = NULL;
1932 MonFdsetFd *mon_fdset_fd;
1936 QLIST_FOREACH(mon_fdset, &mon_fdsets, next) {
1937 /* Break if match found or match impossible due to ordering by ID */
1938 if (fdset_id <= mon_fdset->id) {
1939 if (fdset_id < mon_fdset->id) {
1947 if (mon_fdset == NULL) {
1948 int64_t fdset_id_prev = -1;
1949 MonFdset *mon_fdset_cur = QLIST_FIRST(&mon_fdsets);
1953 error_setg(errp, QERR_INVALID_PARAMETER_VALUE, "fdset-id",
1954 "a non-negative value");
1957 /* Use specified fdset ID */
1958 QLIST_FOREACH(mon_fdset, &mon_fdsets, next) {
1959 mon_fdset_cur = mon_fdset;
1960 if (fdset_id < mon_fdset_cur->id) {
1965 /* Use first available fdset ID */
1966 QLIST_FOREACH(mon_fdset, &mon_fdsets, next) {
1967 mon_fdset_cur = mon_fdset;
1968 if (fdset_id_prev == mon_fdset_cur->id - 1) {
1969 fdset_id_prev = mon_fdset_cur->id;
1976 mon_fdset = g_malloc0(sizeof(*mon_fdset));
1978 mon_fdset->id = fdset_id;
1980 mon_fdset->id = fdset_id_prev + 1;
1983 /* The fdset list is ordered by fdset ID */
1984 if (!mon_fdset_cur) {
1985 QLIST_INSERT_HEAD(&mon_fdsets, mon_fdset, next);
1986 } else if (mon_fdset->id < mon_fdset_cur->id) {
1987 QLIST_INSERT_BEFORE(mon_fdset_cur, mon_fdset, next);
1989 QLIST_INSERT_AFTER(mon_fdset_cur, mon_fdset, next);
1993 mon_fdset_fd = g_malloc0(sizeof(*mon_fdset_fd));
1994 mon_fdset_fd->fd = fd;
1995 mon_fdset_fd->removed = false;
1997 mon_fdset_fd->opaque = g_strdup(opaque);
1999 QLIST_INSERT_HEAD(&mon_fdset->fds, mon_fdset_fd, next);
2001 fdinfo = g_malloc0(sizeof(*fdinfo));
2002 fdinfo->fdset_id = mon_fdset->id;
2003 fdinfo->fd = mon_fdset_fd->fd;
2008 int monitor_fdset_get_fd(int64_t fdset_id, int flags)
2011 MonFdset *mon_fdset;
2012 MonFdsetFd *mon_fdset_fd;
2015 QLIST_FOREACH(mon_fdset, &mon_fdsets, next) {
2016 if (mon_fdset->id != fdset_id) {
2019 QLIST_FOREACH(mon_fdset_fd, &mon_fdset->fds, next) {
2020 mon_fd_flags = fcntl(mon_fdset_fd->fd, F_GETFL);
2021 if (mon_fd_flags == -1) {
2025 if ((flags & O_ACCMODE) == (mon_fd_flags & O_ACCMODE)) {
2026 return mon_fdset_fd->fd;
2038 int monitor_fdset_dup_fd_add(int64_t fdset_id, int dup_fd)
2040 MonFdset *mon_fdset;
2041 MonFdsetFd *mon_fdset_fd_dup;
2043 QLIST_FOREACH(mon_fdset, &mon_fdsets, next) {
2044 if (mon_fdset->id != fdset_id) {
2047 QLIST_FOREACH(mon_fdset_fd_dup, &mon_fdset->dup_fds, next) {
2048 if (mon_fdset_fd_dup->fd == dup_fd) {
2052 mon_fdset_fd_dup = g_malloc0(sizeof(*mon_fdset_fd_dup));
2053 mon_fdset_fd_dup->fd = dup_fd;
2054 QLIST_INSERT_HEAD(&mon_fdset->dup_fds, mon_fdset_fd_dup, next);
2060 static int monitor_fdset_dup_fd_find_remove(int dup_fd, bool remove)
2062 MonFdset *mon_fdset;
2063 MonFdsetFd *mon_fdset_fd_dup;
2065 QLIST_FOREACH(mon_fdset, &mon_fdsets, next) {
2066 QLIST_FOREACH(mon_fdset_fd_dup, &mon_fdset->dup_fds, next) {
2067 if (mon_fdset_fd_dup->fd == dup_fd) {
2069 QLIST_REMOVE(mon_fdset_fd_dup, next);
2070 if (QLIST_EMPTY(&mon_fdset->dup_fds)) {
2071 monitor_fdset_cleanup(mon_fdset);
2075 return mon_fdset->id;
2083 int monitor_fdset_dup_fd_find(int dup_fd)
2085 return monitor_fdset_dup_fd_find_remove(dup_fd, false);
2088 void monitor_fdset_dup_fd_remove(int dup_fd)
2090 monitor_fdset_dup_fd_find_remove(dup_fd, true);
2093 int monitor_fd_param(Monitor *mon, const char *fdname, Error **errp)
2096 Error *local_err = NULL;
2098 if (!qemu_isdigit(fdname[0]) && mon) {
2099 fd = monitor_get_fd(mon, fdname, &local_err);
2101 fd = qemu_parse_fd(fdname);
2103 error_setg(&local_err, "Invalid file descriptor number '%s'",
2108 error_propagate(errp, local_err);
2117 /* Please update hmp-commands.hx when adding or changing commands */
2118 static mon_cmd_t info_cmds[] = {
2119 #include "hmp-commands-info.h"
2123 /* mon_cmds and info_cmds would be sorted at runtime */
2124 static mon_cmd_t mon_cmds[] = {
2125 #include "hmp-commands.h"
2129 static const mon_cmd_t qmp_cmds[] = {
2130 #include "qmp-commands-old.h"
2134 /*******************************************************************/
2136 static const char *pch;
2137 static sigjmp_buf expr_env;
2140 static void GCC_FMT_ATTR(2, 3) QEMU_NORETURN
2141 expr_error(Monitor *mon, const char *fmt, ...)
2145 monitor_vprintf(mon, fmt, ap);
2146 monitor_printf(mon, "\n");
2148 siglongjmp(expr_env, 1);
2151 /* return 0 if OK, -1 if not found */
2152 static int get_monitor_def(target_long *pval, const char *name)
2154 const MonitorDef *md = target_monitor_defs();
2163 for(; md->name != NULL; md++) {
2164 if (compare_cmd(name, md->name)) {
2165 if (md->get_value) {
2166 *pval = md->get_value(md, md->offset);
2168 CPUArchState *env = mon_get_cpu_env();
2169 ptr = (uint8_t *)env + md->offset;
2172 *pval = *(int32_t *)ptr;
2175 *pval = *(target_long *)ptr;
2186 ret = target_get_monitor_def(mon_get_cpu(), name, &tmp);
2188 *pval = (target_long) tmp;
2194 static void next(void)
2198 while (qemu_isspace(*pch))
2203 static int64_t expr_sum(Monitor *mon);
2205 static int64_t expr_unary(Monitor *mon)
2214 n = expr_unary(mon);
2218 n = -expr_unary(mon);
2222 n = ~expr_unary(mon);
2228 expr_error(mon, "')' expected");
2235 expr_error(mon, "character constant expected");
2239 expr_error(mon, "missing terminating \' character");
2249 while ((*pch >= 'a' && *pch <= 'z') ||
2250 (*pch >= 'A' && *pch <= 'Z') ||
2251 (*pch >= '0' && *pch <= '9') ||
2252 *pch == '_' || *pch == '.') {
2253 if ((q - buf) < sizeof(buf) - 1)
2257 while (qemu_isspace(*pch))
2260 ret = get_monitor_def(®, buf);
2262 expr_error(mon, "unknown register");
2267 expr_error(mon, "unexpected end of expression");
2272 n = strtoull(pch, &p, 0);
2273 if (errno == ERANGE) {
2274 expr_error(mon, "number too large");
2277 expr_error(mon, "invalid char '%c' in expression", *p);
2280 while (qemu_isspace(*pch))
2288 static int64_t expr_prod(Monitor *mon)
2293 val = expr_unary(mon);
2296 if (op != '*' && op != '/' && op != '%')
2299 val2 = expr_unary(mon);
2308 expr_error(mon, "division by zero");
2319 static int64_t expr_logic(Monitor *mon)
2324 val = expr_prod(mon);
2327 if (op != '&' && op != '|' && op != '^')
2330 val2 = expr_prod(mon);
2347 static int64_t expr_sum(Monitor *mon)
2352 val = expr_logic(mon);
2355 if (op != '+' && op != '-')
2358 val2 = expr_logic(mon);
2367 static int get_expr(Monitor *mon, int64_t *pval, const char **pp)
2370 if (sigsetjmp(expr_env, 0)) {
2374 while (qemu_isspace(*pch))
2376 *pval = expr_sum(mon);
2381 static int get_double(Monitor *mon, double *pval, const char **pp)
2383 const char *p = *pp;
2387 d = strtod(p, &tailp);
2389 monitor_printf(mon, "Number expected\n");
2392 if (d != d || d - d != 0) {
2393 /* NaN or infinity */
2394 monitor_printf(mon, "Bad number\n");
2403 * Store the command-name in cmdname, and return a pointer to
2404 * the remaining of the command string.
2406 static const char *get_command_name(const char *cmdline,
2407 char *cmdname, size_t nlen)
2410 const char *p, *pstart;
2413 while (qemu_isspace(*p))
2418 while (*p != '\0' && *p != '/' && !qemu_isspace(*p))
2423 memcpy(cmdname, pstart, len);
2424 cmdname[len] = '\0';
2429 * Read key of 'type' into 'key' and return the current
2432 static char *key_get_info(const char *type, char **key)
2440 p = strchr(type, ':');
2447 str = g_malloc(len + 1);
2448 memcpy(str, type, len);
2455 static int default_fmt_format = 'x';
2456 static int default_fmt_size = 4;
2458 static int is_valid_option(const char *c, const char *typestr)
2466 typestr = strstr(typestr, option);
2467 return (typestr != NULL);
2470 static const mon_cmd_t *search_dispatch_table(const mon_cmd_t *disp_table,
2471 const char *cmdname)
2473 const mon_cmd_t *cmd;
2475 for (cmd = disp_table; cmd->name != NULL; cmd++) {
2476 if (compare_cmd(cmdname, cmd->name)) {
2484 static const mon_cmd_t *qmp_find_cmd(const char *cmdname)
2486 return search_dispatch_table(qmp_cmds, cmdname);
2490 * Parse command name from @cmdp according to command table @table.
2491 * If blank, return NULL.
2492 * Else, if no valid command can be found, report to @mon, and return
2494 * Else, change @cmdp to point right behind the name, and return its
2495 * command table entry.
2496 * Do not assume the return value points into @table! It doesn't when
2497 * the command is found in a sub-command table.
2499 static const mon_cmd_t *monitor_parse_command(Monitor *mon,
2504 const mon_cmd_t *cmd;
2507 /* extract the command name */
2508 p = get_command_name(*cmdp, cmdname, sizeof(cmdname));
2512 cmd = search_dispatch_table(table, cmdname);
2514 monitor_printf(mon, "unknown command: '%.*s'\n",
2515 (int)(p - *cmdp), *cmdp);
2519 /* filter out following useless space */
2520 while (qemu_isspace(*p)) {
2525 /* search sub command */
2526 if (cmd->sub_table != NULL && *p != '\0') {
2527 return monitor_parse_command(mon, cmdp, cmd->sub_table);
2534 * Parse arguments for @cmd.
2535 * If it can't be parsed, report to @mon, and return NULL.
2536 * Else, insert command arguments into a QDict, and return it.
2537 * Note: On success, caller has to free the QDict structure.
2540 static QDict *monitor_parse_arguments(Monitor *mon,
2542 const mon_cmd_t *cmd)
2544 const char *typestr;
2547 const char *p = *endp;
2549 QDict *qdict = qdict_new();
2551 /* parse the parameters */
2552 typestr = cmd->args_type;
2554 typestr = key_get_info(typestr, &key);
2566 while (qemu_isspace(*p))
2568 if (*typestr == '?') {
2571 /* no optional string: NULL argument */
2575 ret = get_str(buf, sizeof(buf), &p);
2579 monitor_printf(mon, "%s: filename expected\n",
2583 monitor_printf(mon, "%s: block device name expected\n",
2587 monitor_printf(mon, "%s: string expected\n", cmd->name);
2592 qdict_put(qdict, key, qstring_from_str(buf));
2597 QemuOptsList *opts_list;
2600 opts_list = qemu_find_opts(key);
2601 if (!opts_list || opts_list->desc->name) {
2604 while (qemu_isspace(*p)) {
2609 if (get_str(buf, sizeof(buf), &p) < 0) {
2612 opts = qemu_opts_parse_noisily(opts_list, buf, true);
2616 qemu_opts_to_qdict(opts, qdict);
2617 qemu_opts_del(opts);
2622 int count, format, size;
2624 while (qemu_isspace(*p))
2630 if (qemu_isdigit(*p)) {
2632 while (qemu_isdigit(*p)) {
2633 count = count * 10 + (*p - '0');
2671 if (*p != '\0' && !qemu_isspace(*p)) {
2672 monitor_printf(mon, "invalid char in format: '%c'\n",
2677 format = default_fmt_format;
2678 if (format != 'i') {
2679 /* for 'i', not specifying a size gives -1 as size */
2681 size = default_fmt_size;
2682 default_fmt_size = size;
2684 default_fmt_format = format;
2687 format = default_fmt_format;
2688 if (format != 'i') {
2689 size = default_fmt_size;
2694 qdict_put(qdict, "count", qint_from_int(count));
2695 qdict_put(qdict, "format", qint_from_int(format));
2696 qdict_put(qdict, "size", qint_from_int(size));
2705 while (qemu_isspace(*p))
2707 if (*typestr == '?' || *typestr == '.') {
2708 if (*typestr == '?') {
2716 while (qemu_isspace(*p))
2725 if (get_expr(mon, &val, &p))
2727 /* Check if 'i' is greater than 32-bit */
2728 if ((c == 'i') && ((val >> 32) & 0xffffffff)) {
2729 monitor_printf(mon, "\'%s\' has failed: ", cmd->name);
2730 monitor_printf(mon, "integer is for 32-bit values\n");
2732 } else if (c == 'M') {
2734 monitor_printf(mon, "enter a positive value\n");
2739 qdict_put(qdict, key, qint_from_int(val));
2747 while (qemu_isspace(*p)) {
2750 if (*typestr == '?') {
2756 val = qemu_strtosz(p, &end);
2758 monitor_printf(mon, "invalid size\n");
2761 qdict_put(qdict, key, qint_from_int(val));
2769 while (qemu_isspace(*p))
2771 if (*typestr == '?') {
2777 if (get_double(mon, &val, &p) < 0) {
2780 if (p[0] && p[1] == 's') {
2783 val /= 1e3; p += 2; break;
2785 val /= 1e6; p += 2; break;
2787 val /= 1e9; p += 2; break;
2790 if (*p && !qemu_isspace(*p)) {
2791 monitor_printf(mon, "Unknown unit suffix\n");
2794 qdict_put(qdict, key, qfloat_from_double(val));
2802 while (qemu_isspace(*p)) {
2806 while (qemu_isgraph(*p)) {
2809 if (p - beg == 2 && !memcmp(beg, "on", p - beg)) {
2811 } else if (p - beg == 3 && !memcmp(beg, "off", p - beg)) {
2814 monitor_printf(mon, "Expected 'on' or 'off'\n");
2817 qdict_put(qdict, key, qbool_from_bool(val));
2822 const char *tmp = p;
2829 while (qemu_isspace(*p))
2834 if(!is_valid_option(p, typestr)) {
2836 monitor_printf(mon, "%s: unsupported option -%c\n",
2848 qdict_put(qdict, key, qbool_from_bool(true));
2855 /* package all remaining string */
2858 while (qemu_isspace(*p)) {
2861 if (*typestr == '?') {
2864 /* no remaining string: NULL argument */
2870 monitor_printf(mon, "%s: string expected\n",
2874 qdict_put(qdict, key, qstring_from_str(p));
2880 monitor_printf(mon, "%s: unknown type '%c'\n", cmd->name, c);
2886 /* check that all arguments were parsed */
2887 while (qemu_isspace(*p))
2890 monitor_printf(mon, "%s: extraneous characters at the end of line\n",
2903 static void handle_hmp_command(Monitor *mon, const char *cmdline)
2906 const mon_cmd_t *cmd;
2908 cmd = monitor_parse_command(mon, &cmdline, mon->cmd_table);
2913 qdict = monitor_parse_arguments(mon, &cmdline, cmd);
2915 monitor_printf(mon, "Try \"help %s\" for more information\n",
2920 cmd->mhandler.cmd(mon, qdict);
2924 static void cmd_completion(Monitor *mon, const char *name, const char *list)
2926 const char *p, *pstart;
2935 p = pstart + strlen(pstart);
2937 if (len > sizeof(cmd) - 2)
2938 len = sizeof(cmd) - 2;
2939 memcpy(cmd, pstart, len);
2941 if (name[0] == '\0' || !strncmp(name, cmd, strlen(name))) {
2942 readline_add_completion(mon->rs, cmd);
2950 static void file_completion(Monitor *mon, const char *input)
2955 char file[1024], file_prefix[1024];
2959 p = strrchr(input, '/');
2962 pstrcpy(file_prefix, sizeof(file_prefix), input);
2963 pstrcpy(path, sizeof(path), ".");
2965 input_path_len = p - input + 1;
2966 memcpy(path, input, input_path_len);
2967 if (input_path_len > sizeof(path) - 1)
2968 input_path_len = sizeof(path) - 1;
2969 path[input_path_len] = '\0';
2970 pstrcpy(file_prefix, sizeof(file_prefix), p + 1);
2973 ffs = opendir(path);
2982 if (strcmp(d->d_name, ".") == 0 || strcmp(d->d_name, "..") == 0) {
2986 if (strstart(d->d_name, file_prefix, NULL)) {
2987 memcpy(file, input, input_path_len);
2988 if (input_path_len < sizeof(file))
2989 pstrcpy(file + input_path_len, sizeof(file) - input_path_len,
2991 /* stat the file to find out if it's a directory.
2992 * In that case add a slash to speed up typing long paths
2994 if (stat(file, &sb) == 0 && S_ISDIR(sb.st_mode)) {
2995 pstrcat(file, sizeof(file), "/");
2997 readline_add_completion(mon->rs, file);
3003 static const char *next_arg_type(const char *typestr)
3005 const char *p = strchr(typestr, ':');
3006 return (p != NULL ? ++p : typestr);
3009 static void add_completion_option(ReadLineState *rs, const char *str,
3012 if (!str || !option) {
3015 if (!strncmp(option, str, strlen(str))) {
3016 readline_add_completion(rs, option);
3020 void chardev_add_completion(ReadLineState *rs, int nb_args, const char *str)
3023 ChardevBackendInfoList *list, *start;
3029 readline_set_completion_index(rs, len);
3031 start = list = qmp_query_chardev_backends(NULL);
3033 const char *chr_name = list->value->name;
3035 if (!strncmp(chr_name, str, len)) {
3036 readline_add_completion(rs, chr_name);
3040 qapi_free_ChardevBackendInfoList(start);
3043 void netdev_add_completion(ReadLineState *rs, int nb_args, const char *str)
3052 readline_set_completion_index(rs, len);
3053 for (i = 0; NetClientOptionsKind_lookup[i]; i++) {
3054 add_completion_option(rs, str, NetClientOptionsKind_lookup[i]);
3058 void device_add_completion(ReadLineState *rs, int nb_args, const char *str)
3068 readline_set_completion_index(rs, len);
3069 list = elt = object_class_get_list(TYPE_DEVICE, false);
3072 DeviceClass *dc = OBJECT_CLASS_CHECK(DeviceClass, elt->data,
3074 name = object_class_get_name(OBJECT_CLASS(dc));
3076 if (!dc->cannot_instantiate_with_device_add_yet
3077 && !strncmp(name, str, len)) {
3078 readline_add_completion(rs, name);
3085 void object_add_completion(ReadLineState *rs, int nb_args, const char *str)
3095 readline_set_completion_index(rs, len);
3096 list = elt = object_class_get_list(TYPE_USER_CREATABLE, false);
3100 name = object_class_get_name(OBJECT_CLASS(elt->data));
3101 if (!strncmp(name, str, len) && strcmp(name, TYPE_USER_CREATABLE)) {
3102 readline_add_completion(rs, name);
3109 static void peripheral_device_del_completion(ReadLineState *rs,
3110 const char *str, size_t len)
3112 Object *peripheral = container_get(qdev_get_machine(), "/peripheral");
3113 GSList *list, *item;
3115 list = qdev_build_hotpluggable_device_list(peripheral);
3120 for (item = list; item; item = g_slist_next(item)) {
3121 DeviceState *dev = item->data;
3123 if (dev->id && !strncmp(str, dev->id, len)) {
3124 readline_add_completion(rs, dev->id);
3131 void chardev_remove_completion(ReadLineState *rs, int nb_args, const char *str)
3134 ChardevInfoList *list, *start;
3140 readline_set_completion_index(rs, len);
3142 start = list = qmp_query_chardev(NULL);
3144 ChardevInfo *chr = list->value;
3146 if (!strncmp(chr->label, str, len)) {
3147 readline_add_completion(rs, chr->label);
3151 qapi_free_ChardevInfoList(start);
3154 static void ringbuf_completion(ReadLineState *rs, const char *str)
3157 ChardevInfoList *list, *start;
3160 readline_set_completion_index(rs, len);
3162 start = list = qmp_query_chardev(NULL);
3164 ChardevInfo *chr_info = list->value;
3166 if (!strncmp(chr_info->label, str, len)) {
3167 CharDriverState *chr = qemu_chr_find(chr_info->label);
3168 if (chr && chr_is_ringbuf(chr)) {
3169 readline_add_completion(rs, chr_info->label);
3174 qapi_free_ChardevInfoList(start);
3177 void ringbuf_write_completion(ReadLineState *rs, int nb_args, const char *str)
3182 ringbuf_completion(rs, str);
3185 void device_del_completion(ReadLineState *rs, int nb_args, const char *str)
3194 readline_set_completion_index(rs, len);
3195 peripheral_device_del_completion(rs, str, len);
3198 void object_del_completion(ReadLineState *rs, int nb_args, const char *str)
3200 ObjectPropertyInfoList *list, *start;
3207 readline_set_completion_index(rs, len);
3209 start = list = qmp_qom_list("/objects", NULL);
3211 ObjectPropertyInfo *info = list->value;
3213 if (!strncmp(info->type, "child<", 5)
3214 && !strncmp(info->name, str, len)) {
3215 readline_add_completion(rs, info->name);
3219 qapi_free_ObjectPropertyInfoList(start);
3222 void sendkey_completion(ReadLineState *rs, int nb_args, const char *str)
3231 sep = strrchr(str, '-');
3236 readline_set_completion_index(rs, len);
3237 for (i = 0; i < Q_KEY_CODE__MAX; i++) {
3238 if (!strncmp(str, QKeyCode_lookup[i], len)) {
3239 readline_add_completion(rs, QKeyCode_lookup[i]);
3244 void set_link_completion(ReadLineState *rs, int nb_args, const char *str)
3249 readline_set_completion_index(rs, len);
3251 NetClientState *ncs[MAX_QUEUE_NUM];
3253 count = qemu_find_net_clients_except(NULL, ncs,
3254 NET_CLIENT_OPTIONS_KIND_NONE,
3256 for (i = 0; i < MIN(count, MAX_QUEUE_NUM); i++) {
3257 const char *name = ncs[i]->name;
3258 if (!strncmp(str, name, len)) {
3259 readline_add_completion(rs, name);
3262 } else if (nb_args == 3) {
3263 add_completion_option(rs, str, "on");
3264 add_completion_option(rs, str, "off");
3268 void netdev_del_completion(ReadLineState *rs, int nb_args, const char *str)
3271 NetClientState *ncs[MAX_QUEUE_NUM];
3278 readline_set_completion_index(rs, len);
3279 count = qemu_find_net_clients_except(NULL, ncs, NET_CLIENT_OPTIONS_KIND_NIC,
3281 for (i = 0; i < MIN(count, MAX_QUEUE_NUM); i++) {
3283 const char *name = ncs[i]->name;
3284 if (strncmp(str, name, len)) {
3287 opts = qemu_opts_find(qemu_find_opts_err("netdev", NULL), name);
3289 readline_add_completion(rs, name);
3294 void trace_event_completion(ReadLineState *rs, int nb_args, const char *str)
3299 readline_set_completion_index(rs, len);
3302 for (id = 0; id < trace_event_count(); id++) {
3303 const char *event_name = trace_event_get_name(trace_event_id(id));
3304 if (!strncmp(str, event_name, len)) {
3305 readline_add_completion(rs, event_name);
3308 } else if (nb_args == 3) {
3309 add_completion_option(rs, str, "on");
3310 add_completion_option(rs, str, "off");
3314 void watchdog_action_completion(ReadLineState *rs, int nb_args, const char *str)
3321 readline_set_completion_index(rs, strlen(str));
3322 for (i = 0; WatchdogExpirationAction_lookup[i]; i++) {
3323 add_completion_option(rs, str, WatchdogExpirationAction_lookup[i]);
3327 void migrate_set_capability_completion(ReadLineState *rs, int nb_args,
3333 readline_set_completion_index(rs, len);
3336 for (i = 0; i < MIGRATION_CAPABILITY__MAX; i++) {
3337 const char *name = MigrationCapability_lookup[i];
3338 if (!strncmp(str, name, len)) {
3339 readline_add_completion(rs, name);
3342 } else if (nb_args == 3) {
3343 add_completion_option(rs, str, "on");
3344 add_completion_option(rs, str, "off");
3348 void migrate_set_parameter_completion(ReadLineState *rs, int nb_args,
3354 readline_set_completion_index(rs, len);
3357 for (i = 0; i < MIGRATION_PARAMETER__MAX; i++) {
3358 const char *name = MigrationParameter_lookup[i];
3359 if (!strncmp(str, name, len)) {
3360 readline_add_completion(rs, name);
3366 void host_net_add_completion(ReadLineState *rs, int nb_args, const char *str)
3374 readline_set_completion_index(rs, len);
3375 for (i = 0; host_net_devices[i]; i++) {
3376 if (!strncmp(host_net_devices[i], str, len)) {
3377 readline_add_completion(rs, host_net_devices[i]);
3382 void host_net_remove_completion(ReadLineState *rs, int nb_args, const char *str)
3384 NetClientState *ncs[MAX_QUEUE_NUM];
3388 readline_set_completion_index(rs, len);
3390 count = qemu_find_net_clients_except(NULL, ncs,
3391 NET_CLIENT_OPTIONS_KIND_NONE,
3393 for (i = 0; i < MIN(count, MAX_QUEUE_NUM); i++) {
3397 if (net_hub_id_for_client(ncs[i], &id)) {
3400 snprintf(name, sizeof(name), "%d", id);
3401 if (!strncmp(str, name, len)) {
3402 readline_add_completion(rs, name);
3406 } else if (nb_args == 3) {
3407 count = qemu_find_net_clients_except(NULL, ncs,
3408 NET_CLIENT_OPTIONS_KIND_NIC,
3410 for (i = 0; i < MIN(count, MAX_QUEUE_NUM); i++) {
3414 if (ncs[i]->info->type == NET_CLIENT_OPTIONS_KIND_HUBPORT ||
3415 net_hub_id_for_client(ncs[i], &id)) {
3418 name = ncs[i]->name;
3419 if (!strncmp(str, name, len)) {
3420 readline_add_completion(rs, name);
3427 static void vm_completion(ReadLineState *rs, const char *str)
3430 BlockDriverState *bs = NULL;
3433 readline_set_completion_index(rs, len);
3434 while ((bs = bdrv_next(bs))) {
3435 SnapshotInfoList *snapshots, *snapshot;
3436 AioContext *ctx = bdrv_get_aio_context(bs);
3439 aio_context_acquire(ctx);
3440 if (bdrv_can_snapshot(bs)) {
3441 ok = bdrv_query_snapshot_info_list(bs, &snapshots, NULL) == 0;
3443 aio_context_release(ctx);
3448 snapshot = snapshots;
3450 char *completion = snapshot->value->name;
3451 if (!strncmp(str, completion, len)) {
3452 readline_add_completion(rs, completion);
3454 completion = snapshot->value->id;
3455 if (!strncmp(str, completion, len)) {
3456 readline_add_completion(rs, completion);
3458 snapshot = snapshot->next;
3460 qapi_free_SnapshotInfoList(snapshots);
3465 void delvm_completion(ReadLineState *rs, int nb_args, const char *str)
3468 vm_completion(rs, str);
3472 void loadvm_completion(ReadLineState *rs, int nb_args, const char *str)
3475 vm_completion(rs, str);
3479 static void monitor_find_completion_by_table(Monitor *mon,
3480 const mon_cmd_t *cmd_table,
3484 const char *cmdname;
3486 const char *ptype, *str, *name;
3487 const mon_cmd_t *cmd;
3488 BlockBackend *blk = NULL;
3491 /* command completion */
3496 readline_set_completion_index(mon->rs, strlen(cmdname));
3497 for (cmd = cmd_table; cmd->name != NULL; cmd++) {
3498 cmd_completion(mon, cmdname, cmd->name);
3501 /* find the command */
3502 for (cmd = cmd_table; cmd->name != NULL; cmd++) {
3503 if (compare_cmd(args[0], cmd->name)) {
3511 if (cmd->sub_table) {
3512 /* do the job again */
3513 monitor_find_completion_by_table(mon, cmd->sub_table,
3514 &args[1], nb_args - 1);
3517 if (cmd->command_completion) {
3518 cmd->command_completion(mon->rs, nb_args, args[nb_args - 1]);
3522 ptype = next_arg_type(cmd->args_type);
3523 for(i = 0; i < nb_args - 2; i++) {
3524 if (*ptype != '\0') {
3525 ptype = next_arg_type(ptype);
3526 while (*ptype == '?')
3527 ptype = next_arg_type(ptype);
3530 str = args[nb_args - 1];
3531 while (*ptype == '-' && ptype[1] != '\0') {
3532 ptype = next_arg_type(ptype);
3536 /* file completion */
3537 readline_set_completion_index(mon->rs, strlen(str));
3538 file_completion(mon, str);
3541 /* block device name completion */
3542 readline_set_completion_index(mon->rs, strlen(str));
3543 while ((blk = blk_next(blk)) != NULL) {
3544 name = blk_name(blk);
3545 if (str[0] == '\0' ||
3546 !strncmp(name, str, strlen(str))) {
3547 readline_add_completion(mon->rs, name);
3553 if (!strcmp(cmd->name, "help|?")) {
3554 monitor_find_completion_by_table(mon, cmd_table,
3555 &args[1], nb_args - 1);
3564 static void monitor_find_completion(void *opaque,
3565 const char *cmdline)
3567 Monitor *mon = opaque;
3568 char *args[MAX_ARGS];
3571 /* 1. parse the cmdline */
3572 if (parse_cmdline(cmdline, &nb_args, args) < 0) {
3576 /* if the line ends with a space, it means we want to complete the
3578 len = strlen(cmdline);
3579 if (len > 0 && qemu_isspace(cmdline[len - 1])) {
3580 if (nb_args >= MAX_ARGS) {
3583 args[nb_args++] = g_strdup("");
3586 /* 2. auto complete according to args */
3587 monitor_find_completion_by_table(mon, mon->cmd_table, args, nb_args);
3590 free_cmdline_args(args, nb_args);
3593 static int monitor_can_read(void *opaque)
3595 Monitor *mon = opaque;
3597 return (mon->suspend_cnt == 0) ? 1 : 0;
3600 static bool invalid_qmp_mode(const Monitor *mon, const mon_cmd_t *cmd,
3603 bool is_cap = cmd->mhandler.cmd_new == qmp_capabilities;
3605 if (is_cap && mon->qmp.in_command_mode) {
3606 error_set(errp, ERROR_CLASS_COMMAND_NOT_FOUND,
3607 "Capabilities negotiation is already complete, command "
3608 "'%s' ignored", cmd->name);
3611 if (!is_cap && !mon->qmp.in_command_mode) {
3612 error_set(errp, ERROR_CLASS_COMMAND_NOT_FOUND,
3613 "Expecting capabilities negotiation with "
3614 "'qmp_capabilities' before command '%s'", cmd->name);
3621 * Argument validation rules:
3623 * 1. The argument must exist in cmd_args qdict
3624 * 2. The argument type must be the expected one
3626 * Special case: If the argument doesn't exist in cmd_args and
3627 * the QMP_ACCEPT_UNKNOWNS flag is set, then the
3628 * checking is skipped for it.
3630 static void check_client_args_type(const QDict *client_args,
3631 const QDict *cmd_args, int flags,
3634 const QDictEntry *ent;
3636 for (ent = qdict_first(client_args); ent;ent = qdict_next(client_args,ent)){
3639 const QObject *client_arg = qdict_entry_value(ent);
3640 const char *client_arg_name = qdict_entry_key(ent);
3642 obj = qdict_get(cmd_args, client_arg_name);
3644 if (flags & QMP_ACCEPT_UNKNOWNS) {
3645 /* handler accepts unknowns */
3648 /* client arg doesn't exist */
3649 error_setg(errp, QERR_INVALID_PARAMETER, client_arg_name);
3653 arg_type = qobject_to_qstring(obj);
3654 assert(arg_type != NULL);
3656 /* check if argument's type is correct */
3657 switch (qstring_get_str(arg_type)[0]) {
3661 if (qobject_type(client_arg) != QTYPE_QSTRING) {
3662 error_setg(errp, QERR_INVALID_PARAMETER_TYPE,
3663 client_arg_name, "string");
3671 if (qobject_type(client_arg) != QTYPE_QINT) {
3672 error_setg(errp, QERR_INVALID_PARAMETER_TYPE,
3673 client_arg_name, "int");
3678 if (qobject_type(client_arg) != QTYPE_QINT &&
3679 qobject_type(client_arg) != QTYPE_QFLOAT) {
3680 error_setg(errp, QERR_INVALID_PARAMETER_TYPE,
3681 client_arg_name, "number");
3687 if (qobject_type(client_arg) != QTYPE_QBOOL) {
3688 error_setg(errp, QERR_INVALID_PARAMETER_TYPE,
3689 client_arg_name, "bool");
3694 assert(flags & QMP_ACCEPT_UNKNOWNS);
3697 /* Any QObject can be passed. */
3702 * These types are not supported by QMP and thus are not
3703 * handled here. Fall through.
3712 * - Check if the client has passed all mandatory args
3713 * - Set special flags for argument validation
3715 static void check_mandatory_args(const QDict *cmd_args,
3716 const QDict *client_args, int *flags,
3719 const QDictEntry *ent;
3721 for (ent = qdict_first(cmd_args); ent; ent = qdict_next(cmd_args, ent)) {
3722 const char *cmd_arg_name = qdict_entry_key(ent);
3723 QString *type = qobject_to_qstring(qdict_entry_value(ent));
3724 assert(type != NULL);
3726 if (qstring_get_str(type)[0] == 'O') {
3727 assert((*flags & QMP_ACCEPT_UNKNOWNS) == 0);
3728 *flags |= QMP_ACCEPT_UNKNOWNS;
3729 } else if (qstring_get_str(type)[0] != '-' &&
3730 qstring_get_str(type)[1] != '?' &&
3731 !qdict_haskey(client_args, cmd_arg_name)) {
3732 error_setg(errp, QERR_MISSING_PARAMETER, cmd_arg_name);
3738 static QDict *qdict_from_args_type(const char *args_type)
3742 QString *key, *type, *cur_qs;
3744 assert(args_type != NULL);
3746 qdict = qdict_new();
3748 if (args_type == NULL || args_type[0] == '\0') {
3749 /* no args, empty qdict */
3753 key = qstring_new();
3754 type = qstring_new();
3759 switch (args_type[i]) {
3762 qdict_put(qdict, qstring_get_str(key), type);
3764 if (args_type[i] == '\0') {
3767 type = qstring_new(); /* qdict has ref */
3768 cur_qs = key = qstring_new();
3774 qstring_append_chr(cur_qs, args_type[i]);
3784 * Client argument checking rules:
3786 * 1. Client must provide all mandatory arguments
3787 * 2. Each argument provided by the client must be expected
3788 * 3. Each argument provided by the client must have the type expected
3791 static void qmp_check_client_args(const mon_cmd_t *cmd, QDict *client_args,
3798 cmd_args = qdict_from_args_type(cmd->args_type);
3801 check_mandatory_args(cmd_args, client_args, &flags, &err);
3806 check_client_args_type(client_args, cmd_args, flags, &err);
3809 error_propagate(errp, err);
3814 * Input object checking rules
3816 * 1. Input object must be a dict
3817 * 2. The "execute" key must exist
3818 * 3. The "execute" key must be a string
3819 * 4. If the "arguments" key exists, it must be a dict
3820 * 5. If the "id" key exists, it can be anything (ie. json-value)
3821 * 6. Any argument not listed above is considered invalid
3823 static QDict *qmp_check_input_obj(QObject *input_obj, Error **errp)
3825 const QDictEntry *ent;
3826 int has_exec_key = 0;
3829 if (qobject_type(input_obj) != QTYPE_QDICT) {
3830 error_setg(errp, QERR_QMP_BAD_INPUT_OBJECT, "object");
3834 input_dict = qobject_to_qdict(input_obj);
3836 for (ent = qdict_first(input_dict); ent; ent = qdict_next(input_dict, ent)){
3837 const char *arg_name = qdict_entry_key(ent);
3838 const QObject *arg_obj = qdict_entry_value(ent);
3840 if (!strcmp(arg_name, "execute")) {
3841 if (qobject_type(arg_obj) != QTYPE_QSTRING) {
3842 error_setg(errp, QERR_QMP_BAD_INPUT_OBJECT_MEMBER,
3843 "execute", "string");
3847 } else if (!strcmp(arg_name, "arguments")) {
3848 if (qobject_type(arg_obj) != QTYPE_QDICT) {
3849 error_setg(errp, QERR_QMP_BAD_INPUT_OBJECT_MEMBER,
3850 "arguments", "object");
3853 } else if (!strcmp(arg_name, "id")) {
3854 /* Any string is acceptable as "id", so nothing to check */
3856 error_setg(errp, QERR_QMP_EXTRA_MEMBER, arg_name);
3861 if (!has_exec_key) {
3862 error_setg(errp, QERR_QMP_BAD_INPUT_OBJECT, "execute");
3869 static void handle_qmp_command(JSONMessageParser *parser, GQueue *tokens)
3871 Error *local_err = NULL;
3872 QObject *obj, *data;
3873 QDict *input, *args;
3874 const mon_cmd_t *cmd;
3875 const char *cmd_name;
3876 Monitor *mon = cur_mon;
3878 args = input = NULL;
3881 obj = json_parser_parse(tokens, NULL);
3883 // FIXME: should be triggered in json_parser_parse()
3884 error_setg(&local_err, QERR_JSON_PARSING);
3888 input = qmp_check_input_obj(obj, &local_err);
3890 qobject_decref(obj);
3894 mon->qmp.id = qdict_get(input, "id");
3895 qobject_incref(mon->qmp.id);
3897 cmd_name = qdict_get_str(input, "execute");
3898 trace_handle_qmp_command(mon, cmd_name);
3899 cmd = qmp_find_cmd(cmd_name);
3901 error_set(&local_err, ERROR_CLASS_COMMAND_NOT_FOUND,
3902 "The command %s has not been found", cmd_name);
3905 if (invalid_qmp_mode(mon, cmd, &local_err)) {
3909 obj = qdict_get(input, "arguments");
3913 args = qobject_to_qdict(obj);
3917 qmp_check_client_args(cmd, args, &local_err);
3922 cmd->mhandler.cmd_new(args, &data, &local_err);
3925 monitor_protocol_emitter(mon, data, local_err);
3926 qobject_decref(data);
3927 error_free(local_err);
3932 static void monitor_qmp_read(void *opaque, const uint8_t *buf, int size)
3934 Monitor *old_mon = cur_mon;
3938 json_message_parser_feed(&cur_mon->qmp.parser, (const char *) buf, size);
3943 static void monitor_read(void *opaque, const uint8_t *buf, int size)
3945 Monitor *old_mon = cur_mon;
3951 for (i = 0; i < size; i++)
3952 readline_handle_byte(cur_mon->rs, buf[i]);
3954 if (size == 0 || buf[size - 1] != 0)
3955 monitor_printf(cur_mon, "corrupted command\n");
3957 handle_hmp_command(cur_mon, (char *)buf);
3963 static void monitor_command_cb(void *opaque, const char *cmdline,
3964 void *readline_opaque)
3966 Monitor *mon = opaque;
3968 monitor_suspend(mon);
3969 handle_hmp_command(mon, cmdline);
3970 monitor_resume(mon);
3973 int monitor_suspend(Monitor *mon)
3981 void monitor_resume(Monitor *mon)
3985 if (--mon->suspend_cnt == 0)
3986 readline_show_prompt(mon->rs);
3989 static QObject *get_qmp_greeting(void)
3991 QObject *ver = NULL;
3993 qmp_marshal_query_version(NULL, &ver, NULL);
3994 return qobject_from_jsonf("{'QMP':{'version': %p,'capabilities': []}}",ver);
3997 static void monitor_qmp_event(void *opaque, int event)
4000 Monitor *mon = opaque;
4003 case CHR_EVENT_OPENED:
4004 mon->qmp.in_command_mode = false;
4005 data = get_qmp_greeting();
4006 monitor_json_emitter(mon, data);
4007 qobject_decref(data);
4010 case CHR_EVENT_CLOSED:
4011 json_message_parser_destroy(&mon->qmp.parser);
4012 json_message_parser_init(&mon->qmp.parser, handle_qmp_command);
4014 monitor_fdsets_cleanup();
4019 static void monitor_event(void *opaque, int event)
4021 Monitor *mon = opaque;
4024 case CHR_EVENT_MUX_IN:
4025 qemu_mutex_lock(&mon->out_lock);
4027 qemu_mutex_unlock(&mon->out_lock);
4028 if (mon->reset_seen) {
4029 readline_restart(mon->rs);
4030 monitor_resume(mon);
4033 mon->suspend_cnt = 0;
4037 case CHR_EVENT_MUX_OUT:
4038 if (mon->reset_seen) {
4039 if (mon->suspend_cnt == 0) {
4040 monitor_printf(mon, "\n");
4043 monitor_suspend(mon);
4047 qemu_mutex_lock(&mon->out_lock);
4049 qemu_mutex_unlock(&mon->out_lock);
4052 case CHR_EVENT_OPENED:
4053 monitor_printf(mon, "QEMU %s monitor - type 'help' for more "
4054 "information\n", QEMU_VERSION);
4055 if (!mon->mux_out) {
4056 readline_restart(mon->rs);
4057 readline_show_prompt(mon->rs);
4059 mon->reset_seen = 1;
4063 case CHR_EVENT_CLOSED:
4065 monitor_fdsets_cleanup();
4071 compare_mon_cmd(const void *a, const void *b)
4073 return strcmp(((const mon_cmd_t *)a)->name,
4074 ((const mon_cmd_t *)b)->name);
4077 static void sortcmdlist(void)
4080 int elem_size = sizeof(mon_cmd_t);
4082 array_num = sizeof(mon_cmds)/elem_size-1;
4083 qsort((void *)mon_cmds, array_num, elem_size, compare_mon_cmd);
4085 array_num = sizeof(info_cmds)/elem_size-1;
4086 qsort((void *)info_cmds, array_num, elem_size, compare_mon_cmd);
4098 /* These functions just adapt the readline interface in a typesafe way. We
4099 * could cast function pointers but that discards compiler checks.
4101 static void GCC_FMT_ATTR(2, 3) monitor_readline_printf(void *opaque,
4102 const char *fmt, ...)
4106 monitor_vprintf(opaque, fmt, ap);
4110 static void monitor_readline_flush(void *opaque)
4112 monitor_flush(opaque);
4115 static void __attribute__((constructor)) monitor_lock_init(void)
4117 qemu_mutex_init(&monitor_lock);
4120 void monitor_init(CharDriverState *chr, int flags)
4122 static int is_first_init = 1;
4125 if (is_first_init) {
4126 monitor_qapi_event_init();
4131 mon = g_malloc(sizeof(*mon));
4132 monitor_data_init(mon);
4136 if (flags & MONITOR_USE_READLINE) {
4137 mon->rs = readline_init(monitor_readline_printf,
4138 monitor_readline_flush,
4140 monitor_find_completion);
4141 monitor_read_command(mon, 0);
4144 if (monitor_is_qmp(mon)) {
4145 qemu_chr_add_handlers(chr, monitor_can_read, monitor_qmp_read,
4146 monitor_qmp_event, mon);
4147 qemu_chr_fe_set_echo(chr, true);
4148 json_message_parser_init(&mon->qmp.parser, handle_qmp_command);
4150 qemu_chr_add_handlers(chr, monitor_can_read, monitor_read,
4151 monitor_event, mon);
4154 qemu_mutex_lock(&monitor_lock);
4155 QLIST_INSERT_HEAD(&mon_list, mon, entry);
4156 qemu_mutex_unlock(&monitor_lock);
4159 static void bdrv_password_cb(void *opaque, const char *password,
4160 void *readline_opaque)
4162 Monitor *mon = opaque;
4163 BlockDriverState *bs = readline_opaque;
4165 Error *local_err = NULL;
4167 bdrv_add_key(bs, password, &local_err);
4169 error_report_err(local_err);
4172 if (mon->password_completion_cb)
4173 mon->password_completion_cb(mon->password_opaque, ret);
4175 monitor_read_command(mon, 1);
4178 int monitor_read_bdrv_key_start(Monitor *mon, BlockDriverState *bs,
4179 BlockCompletionFunc *completion_cb,
4184 monitor_printf(mon, "%s (%s) is encrypted.\n", bdrv_get_device_name(bs),
4185 bdrv_get_encrypted_filename(bs));
4187 mon->password_completion_cb = completion_cb;
4188 mon->password_opaque = opaque;
4190 err = monitor_read_password(mon, bdrv_password_cb, bs);
4192 if (err && completion_cb)
4193 completion_cb(opaque, err);
4198 int monitor_read_block_device_key(Monitor *mon, const char *device,
4199 BlockCompletionFunc *completion_cb,
4205 blk = blk_by_name(device);
4207 monitor_printf(mon, "Device not found %s\n", device);
4211 monitor_printf(mon, "Device '%s' has no medium\n", device);
4215 bdrv_add_key(blk_bs(blk), NULL, &err);
4218 return monitor_read_bdrv_key_start(mon, blk_bs(blk), completion_cb, opaque);
4221 if (completion_cb) {
4222 completion_cb(opaque, 0);
4227 QemuOptsList qemu_mon_opts = {
4229 .implied_opt_name = "chardev",
4230 .head = QTAILQ_HEAD_INITIALIZER(qemu_mon_opts.head),
4234 .type = QEMU_OPT_STRING,
4237 .type = QEMU_OPT_STRING,
4240 .type = QEMU_OPT_BOOL,
4243 .type = QEMU_OPT_BOOL,
4245 { /* end of list */ }
4250 void qmp_rtc_reset_reinjection(Error **errp)
4252 error_setg(errp, QERR_FEATURE_DISABLED, "rtc-reset-reinjection");
4256 #ifndef TARGET_S390X
4257 void qmp_dump_skeys(const char *filename, Error **errp)
4259 error_setg(errp, QERR_FEATURE_DISABLED, "dump-skeys");
4264 GICCapabilityList *qmp_query_gic_capabilities(Error **errp)
4266 error_setg(errp, QERR_FEATURE_DISABLED, "query-gic-capabilities");