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
25 #include "qemu/osdep.h"
27 #include "qemu-common.h"
30 #include "monitor/qdev.h"
32 #include "hw/pci/pci.h"
33 #include "sysemu/watchdog.h"
34 #include "hw/loader.h"
35 #include "exec/gdbstub.h"
37 #include "net/slirp.h"
38 #include "chardev/char-fe.h"
39 #include "ui/qemu-spice.h"
40 #include "sysemu/numa.h"
41 #include "monitor/monitor.h"
42 #include "qemu/config-file.h"
43 #include "qemu/readline.h"
44 #include "ui/console.h"
46 #include "sysemu/blockdev.h"
47 #include "sysemu/block-backend.h"
48 #include "audio/audio.h"
49 #include "disas/disas.h"
50 #include "sysemu/balloon.h"
51 #include "qemu/timer.h"
52 #include "sysemu/hw_accel.h"
54 #include "sysemu/tpm.h"
55 #include "qapi/qmp/qerror.h"
56 #include "qapi/qmp/qbool.h"
57 #include "qapi/qmp/qnum.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"
62 #include "trace-root.h"
63 #include "trace/control.h"
64 #include "monitor/hmp-target.h"
65 #ifdef CONFIG_TRACE_SIMPLE
66 #include "trace/simple.h"
68 #include "exec/memory.h"
69 #include "exec/exec-all.h"
71 #include "qmp-commands.h"
73 #include "qemu/thread.h"
74 #include "block/qapi.h"
75 #include "qapi/error.h"
76 #include "qapi/qmp-event.h"
77 #include "qapi-event.h"
78 #include "qmp-introspect.h"
79 #include "sysemu/qtest.h"
80 #include "sysemu/cpus.h"
81 #include "qemu/cutils.h"
82 #include "qapi/qmp/dispatch.h"
84 #if defined(TARGET_S390X)
85 #include "hw/s390x/storage-keys.h"
86 #include "hw/s390x/storage-attributes.h"
93 * 'B' block device name
94 * 's' string (accept optional quote)
95 * 'S' it just appends the rest of the string (accept optional quote)
96 * 'O' option string of the form NAME=VALUE,...
97 * parsed according to QemuOptsList given by its name
98 * Example: 'device:O' uses qemu_device_opts.
99 * Restriction: only lists with empty desc are supported
100 * TODO lift the restriction
102 * 'l' target long (32 or 64 bit)
103 * 'M' Non-negative target long (32 or 64 bit), in user mode the
104 * value is multiplied by 2^20 (think Mebibyte)
105 * 'o' octets (aka bytes)
106 * user mode accepts an optional E, e, P, p, T, t, G, g, M, m,
107 * K, k suffix, which multiplies the value by 2^60 for suffixes E
108 * and e, 2^50 for suffixes P and p, 2^40 for suffixes T and t,
109 * 2^30 for suffixes G and g, 2^20 for M and m, 2^10 for K and k
111 * user mode accepts an optional ms, us, ns suffix,
112 * which divides the value by 1e3, 1e6, 1e9, respectively
113 * '/' optional gdb-like print format (like "/10x")
115 * '?' optional type (for all types, except '/')
116 * '.' other form of optional type (for 'i' and 'l')
118 * user mode accepts "on" or "off"
119 * '-' optional parameter (eg. '-f')
123 typedef struct mon_cmd_t {
125 const char *args_type;
128 void (*cmd)(Monitor *mon, const QDict *qdict);
129 /* @sub_table is a list of 2nd level of commands. If it does not exist,
130 * cmd should be used. If it exists, sub_table[?].cmd should be
131 * used, and cmd of 1st level plays the role of help function.
133 struct mon_cmd_t *sub_table;
134 void (*command_completion)(ReadLineState *rs, int nb_args, const char *str);
137 /* file descriptors passed via SCM_RIGHTS */
138 typedef struct mon_fd_t mon_fd_t;
142 QLIST_ENTRY(mon_fd_t) next;
145 /* file descriptor associated with a file descriptor set */
146 typedef struct MonFdsetFd MonFdsetFd;
151 QLIST_ENTRY(MonFdsetFd) next;
154 /* file descriptor set containing fds passed via SCM_RIGHTS */
155 typedef struct MonFdset MonFdset;
158 QLIST_HEAD(, MonFdsetFd) fds;
159 QLIST_HEAD(, MonFdsetFd) dup_fds;
160 QLIST_ENTRY(MonFdset) next;
164 JSONMessageParser parser;
166 * When a client connects, we're in capabilities negotiation mode.
167 * When command qmp_capabilities succeeds, we go into command
170 QmpCommandList *commands;
174 * To prevent flooding clients, events can be throttled. The
175 * throttling is calculated globally, rather than per-Monitor
178 typedef struct MonitorQAPIEventState {
179 QAPIEvent event; /* Throttling state for this event type and... */
180 QDict *data; /* ... data, see qapi_event_throttle_equal() */
181 QEMUTimer *timer; /* Timer for handling delayed events */
182 QDict *qdict; /* Delayed event (if any) */
183 } MonitorQAPIEventState;
186 int64_t rate; /* Minimum time (in ns) between two events */
187 } MonitorQAPIEventConf;
200 /* Read under either BQL or out_lock, written with BQL+out_lock. */
206 BlockCompletionFunc *password_completion_cb;
207 void *password_opaque;
208 mon_cmd_t *cmd_table;
209 QLIST_HEAD(,mon_fd_t) fds;
210 QLIST_ENTRY(Monitor) entry;
213 /* QMP checker flags */
214 #define QMP_ACCEPT_UNKNOWNS 1
216 /* Protects mon_list, monitor_event_state. */
217 static QemuMutex monitor_lock;
219 static QLIST_HEAD(mon_list, Monitor) mon_list;
220 static QLIST_HEAD(mon_fdsets, MonFdset) mon_fdsets;
221 static int mon_refcount;
223 static mon_cmd_t mon_cmds[];
224 static mon_cmd_t info_cmds[];
226 QmpCommandList qmp_commands, qmp_cap_negotiation_commands;
230 static QEMUClockType event_clock_type = QEMU_CLOCK_REALTIME;
232 static void monitor_command_cb(void *opaque, const char *cmdline,
233 void *readline_opaque);
236 * Is @mon a QMP monitor?
238 static inline bool monitor_is_qmp(const Monitor *mon)
240 return (mon->flags & MONITOR_USE_CONTROL);
244 * Is the current monitor, if any, a QMP monitor?
246 bool monitor_cur_is_qmp(void)
248 return cur_mon && monitor_is_qmp(cur_mon);
251 void monitor_read_command(Monitor *mon, int show_prompt)
256 readline_start(mon->rs, "(qemu) ", 0, monitor_command_cb, NULL);
258 readline_show_prompt(mon->rs);
261 int monitor_read_password(Monitor *mon, ReadLineFunc *readline_func,
265 readline_start(mon->rs, "Password: ", 1, readline_func, opaque);
266 /* prompt is printed on return from the command handler */
269 monitor_printf(mon, "terminal does not support password prompting\n");
274 static void monitor_flush_locked(Monitor *mon);
276 static gboolean monitor_unblocked(GIOChannel *chan, GIOCondition cond,
279 Monitor *mon = opaque;
281 qemu_mutex_lock(&mon->out_lock);
283 monitor_flush_locked(mon);
284 qemu_mutex_unlock(&mon->out_lock);
288 /* Called with mon->out_lock held. */
289 static void monitor_flush_locked(Monitor *mon)
295 if (mon->skip_flush) {
299 buf = qstring_get_str(mon->outbuf);
300 len = qstring_get_length(mon->outbuf);
302 if (len && !mon->mux_out) {
303 rc = qemu_chr_fe_write(&mon->chr, (const uint8_t *) buf, len);
304 if ((rc < 0 && errno != EAGAIN) || (rc == len)) {
305 /* all flushed or error */
306 QDECREF(mon->outbuf);
307 mon->outbuf = qstring_new();
312 QString *tmp = qstring_from_str(buf + rc);
313 QDECREF(mon->outbuf);
316 if (mon->out_watch == 0) {
318 qemu_chr_fe_add_watch(&mon->chr, G_IO_OUT | G_IO_HUP,
319 monitor_unblocked, mon);
324 void monitor_flush(Monitor *mon)
326 qemu_mutex_lock(&mon->out_lock);
327 monitor_flush_locked(mon);
328 qemu_mutex_unlock(&mon->out_lock);
331 /* flush at every end of line */
332 static void monitor_puts(Monitor *mon, const char *str)
336 qemu_mutex_lock(&mon->out_lock);
342 qstring_append_chr(mon->outbuf, '\r');
344 qstring_append_chr(mon->outbuf, c);
346 monitor_flush_locked(mon);
349 qemu_mutex_unlock(&mon->out_lock);
352 void monitor_vprintf(Monitor *mon, const char *fmt, va_list ap)
359 if (monitor_is_qmp(mon)) {
363 buf = g_strdup_vprintf(fmt, ap);
364 monitor_puts(mon, buf);
368 void monitor_printf(Monitor *mon, const char *fmt, ...)
372 monitor_vprintf(mon, fmt, ap);
376 int monitor_fprintf(FILE *stream, const char *fmt, ...)
380 monitor_vprintf((Monitor *)stream, fmt, ap);
385 static void monitor_json_emitter(Monitor *mon, const QObject *data)
389 json = mon->flags & MONITOR_USE_PRETTY ? qobject_to_json_pretty(data) :
390 qobject_to_json(data);
391 assert(json != NULL);
393 qstring_append_chr(json, '\n');
394 monitor_puts(mon, qstring_get_str(json));
399 static MonitorQAPIEventConf monitor_qapi_event_conf[QAPI_EVENT__MAX] = {
400 /* Limit guest-triggerable events to 1 per second */
401 [QAPI_EVENT_RTC_CHANGE] = { 1000 * SCALE_MS },
402 [QAPI_EVENT_WATCHDOG] = { 1000 * SCALE_MS },
403 [QAPI_EVENT_BALLOON_CHANGE] = { 1000 * SCALE_MS },
404 [QAPI_EVENT_QUORUM_REPORT_BAD] = { 1000 * SCALE_MS },
405 [QAPI_EVENT_QUORUM_FAILURE] = { 1000 * SCALE_MS },
406 [QAPI_EVENT_VSERPORT_CHANGE] = { 1000 * SCALE_MS },
409 GHashTable *monitor_qapi_event_state;
412 * Emits the event to every monitor instance, @event is only used for trace
413 * Called with monitor_lock held.
415 static void monitor_qapi_event_emit(QAPIEvent event, QDict *qdict)
419 trace_monitor_protocol_event_emit(event, qdict);
420 QLIST_FOREACH(mon, &mon_list, entry) {
421 if (monitor_is_qmp(mon)
422 && mon->qmp.commands != &qmp_cap_negotiation_commands) {
423 monitor_json_emitter(mon, QOBJECT(qdict));
428 static void monitor_qapi_event_handler(void *opaque);
431 * Queue a new event for emission to Monitor instances,
432 * applying any rate limiting if required.
435 monitor_qapi_event_queue(QAPIEvent event, QDict *qdict, Error **errp)
437 MonitorQAPIEventConf *evconf;
438 MonitorQAPIEventState *evstate;
440 assert(event < QAPI_EVENT__MAX);
441 evconf = &monitor_qapi_event_conf[event];
442 trace_monitor_protocol_event_queue(event, qdict, evconf->rate);
444 qemu_mutex_lock(&monitor_lock);
447 /* Unthrottled event */
448 monitor_qapi_event_emit(event, qdict);
450 QDict *data = qobject_to_qdict(qdict_get(qdict, "data"));
451 MonitorQAPIEventState key = { .event = event, .data = data };
453 evstate = g_hash_table_lookup(monitor_qapi_event_state, &key);
454 assert(!evstate || timer_pending(evstate->timer));
458 * Timer is pending for (at least) evconf->rate ns after
459 * last send. Store event for sending when timer fires,
460 * replacing a prior stored event if any.
462 QDECREF(evstate->qdict);
463 evstate->qdict = qdict;
464 QINCREF(evstate->qdict);
467 * Last send was (at least) evconf->rate ns ago.
468 * Send immediately, and arm the timer to call
469 * monitor_qapi_event_handler() in evconf->rate ns. Any
470 * events arriving before then will be delayed until then.
472 int64_t now = qemu_clock_get_ns(event_clock_type);
474 monitor_qapi_event_emit(event, qdict);
476 evstate = g_new(MonitorQAPIEventState, 1);
477 evstate->event = event;
478 evstate->data = data;
479 QINCREF(evstate->data);
480 evstate->qdict = NULL;
481 evstate->timer = timer_new_ns(event_clock_type,
482 monitor_qapi_event_handler,
484 g_hash_table_add(monitor_qapi_event_state, evstate);
485 timer_mod_ns(evstate->timer, now + evconf->rate);
489 qemu_mutex_unlock(&monitor_lock);
493 * This function runs evconf->rate ns after sending a throttled
495 * If another event has since been stored, send it.
497 static void monitor_qapi_event_handler(void *opaque)
499 MonitorQAPIEventState *evstate = opaque;
500 MonitorQAPIEventConf *evconf = &monitor_qapi_event_conf[evstate->event];
502 trace_monitor_protocol_event_handler(evstate->event, evstate->qdict);
503 qemu_mutex_lock(&monitor_lock);
505 if (evstate->qdict) {
506 int64_t now = qemu_clock_get_ns(event_clock_type);
508 monitor_qapi_event_emit(evstate->event, evstate->qdict);
509 QDECREF(evstate->qdict);
510 evstate->qdict = NULL;
511 timer_mod_ns(evstate->timer, now + evconf->rate);
513 g_hash_table_remove(monitor_qapi_event_state, evstate);
514 QDECREF(evstate->data);
515 timer_free(evstate->timer);
519 qemu_mutex_unlock(&monitor_lock);
522 static unsigned int qapi_event_throttle_hash(const void *key)
524 const MonitorQAPIEventState *evstate = key;
525 unsigned int hash = evstate->event * 255;
527 if (evstate->event == QAPI_EVENT_VSERPORT_CHANGE) {
528 hash += g_str_hash(qdict_get_str(evstate->data, "id"));
531 if (evstate->event == QAPI_EVENT_QUORUM_REPORT_BAD) {
532 hash += g_str_hash(qdict_get_str(evstate->data, "node-name"));
538 static gboolean qapi_event_throttle_equal(const void *a, const void *b)
540 const MonitorQAPIEventState *eva = a;
541 const MonitorQAPIEventState *evb = b;
543 if (eva->event != evb->event) {
547 if (eva->event == QAPI_EVENT_VSERPORT_CHANGE) {
548 return !strcmp(qdict_get_str(eva->data, "id"),
549 qdict_get_str(evb->data, "id"));
552 if (eva->event == QAPI_EVENT_QUORUM_REPORT_BAD) {
553 return !strcmp(qdict_get_str(eva->data, "node-name"),
554 qdict_get_str(evb->data, "node-name"));
560 static void monitor_qapi_event_init(void)
562 if (qtest_enabled()) {
563 event_clock_type = QEMU_CLOCK_VIRTUAL;
566 monitor_qapi_event_state = g_hash_table_new(qapi_event_throttle_hash,
567 qapi_event_throttle_equal);
568 qmp_event_set_func_emit(monitor_qapi_event_queue);
571 static void handle_hmp_command(Monitor *mon, const char *cmdline);
573 static void monitor_data_init(Monitor *mon)
575 memset(mon, 0, sizeof(Monitor));
576 qemu_mutex_init(&mon->out_lock);
577 mon->outbuf = qstring_new();
578 /* Use *mon_cmds by default. */
579 mon->cmd_table = mon_cmds;
582 static void monitor_data_destroy(Monitor *mon)
584 g_free(mon->mon_cpu_path);
585 qemu_chr_fe_deinit(&mon->chr, false);
586 if (monitor_is_qmp(mon)) {
587 json_message_parser_destroy(&mon->qmp.parser);
589 readline_free(mon->rs);
590 QDECREF(mon->outbuf);
591 qemu_mutex_destroy(&mon->out_lock);
594 char *qmp_human_monitor_command(const char *command_line, bool has_cpu_index,
595 int64_t cpu_index, Error **errp)
598 Monitor *old_mon, hmp;
600 monitor_data_init(&hmp);
601 hmp.skip_flush = true;
607 int ret = monitor_set_cpu(cpu_index);
610 error_setg(errp, QERR_INVALID_PARAMETER_VALUE, "cpu-index",
616 handle_hmp_command(&hmp, command_line);
619 qemu_mutex_lock(&hmp.out_lock);
620 if (qstring_get_length(hmp.outbuf) > 0) {
621 output = g_strdup(qstring_get_str(hmp.outbuf));
623 output = g_strdup("");
625 qemu_mutex_unlock(&hmp.out_lock);
628 monitor_data_destroy(&hmp);
632 static int compare_cmd(const char *name, const char *list)
634 const char *p, *pstart;
642 p = pstart + strlen(pstart);
643 if ((p - pstart) == len && !memcmp(pstart, name, len))
652 static int get_str(char *buf, int buf_size, const char **pp)
660 while (qemu_isspace(*p)) {
671 while (*p != '\0' && *p != '\"') {
687 printf("unsupported escape code: '\\%c'\n", c);
690 if ((q - buf) < buf_size - 1) {
694 if ((q - buf) < buf_size - 1) {
701 printf("unterminated string\n");
706 while (*p != '\0' && !qemu_isspace(*p)) {
707 if ((q - buf) < buf_size - 1) {
720 static void free_cmdline_args(char **args, int nb_args)
724 assert(nb_args <= MAX_ARGS);
726 for (i = 0; i < nb_args; i++) {
733 * Parse the command line to get valid args.
734 * @cmdline: command line to be parsed.
735 * @pnb_args: location to store the number of args, must NOT be NULL.
736 * @args: location to store the args, which should be freed by caller, must
739 * Returns 0 on success, negative on failure.
741 * NOTE: this parser is an approximate form of the real command parser. Number
742 * of args have a limit of MAX_ARGS. If cmdline contains more, it will
743 * return with failure.
745 static int parse_cmdline(const char *cmdline,
746 int *pnb_args, char **args)
755 while (qemu_isspace(*p)) {
761 if (nb_args >= MAX_ARGS) {
764 ret = get_str(buf, sizeof(buf), &p);
768 args[nb_args] = g_strdup(buf);
775 free_cmdline_args(args, nb_args);
779 static void help_cmd_dump_one(Monitor *mon,
780 const mon_cmd_t *cmd,
786 for (i = 0; i < prefix_args_nb; i++) {
787 monitor_printf(mon, "%s ", prefix_args[i]);
789 monitor_printf(mon, "%s %s -- %s\n", cmd->name, cmd->params, cmd->help);
792 /* @args[@arg_index] is the valid command need to find in @cmds */
793 static void help_cmd_dump(Monitor *mon, const mon_cmd_t *cmds,
794 char **args, int nb_args, int arg_index)
796 const mon_cmd_t *cmd;
798 /* No valid arg need to compare with, dump all in *cmds */
799 if (arg_index >= nb_args) {
800 for (cmd = cmds; cmd->name != NULL; cmd++) {
801 help_cmd_dump_one(mon, cmd, args, arg_index);
806 /* Find one entry to dump */
807 for (cmd = cmds; cmd->name != NULL; cmd++) {
808 if (compare_cmd(args[arg_index], cmd->name)) {
809 if (cmd->sub_table) {
810 /* continue with next arg */
811 help_cmd_dump(mon, cmd->sub_table,
812 args, nb_args, arg_index + 1);
814 help_cmd_dump_one(mon, cmd, args, arg_index);
821 static void help_cmd(Monitor *mon, const char *name)
823 char *args[MAX_ARGS];
826 /* 1. parse user input */
828 /* special case for log, directly dump and return */
829 if (!strcmp(name, "log")) {
830 const QEMULogItem *item;
831 monitor_printf(mon, "Log items (comma separated):\n");
832 monitor_printf(mon, "%-10s %s\n", "none", "remove all logs");
833 for (item = qemu_log_items; item->mask != 0; item++) {
834 monitor_printf(mon, "%-10s %s\n", item->name, item->help);
839 if (parse_cmdline(name, &nb_args, args) < 0) {
844 /* 2. dump the contents according to parsed args */
845 help_cmd_dump(mon, mon->cmd_table, args, nb_args, 0);
847 free_cmdline_args(args, nb_args);
850 static void do_help_cmd(Monitor *mon, const QDict *qdict)
852 help_cmd(mon, qdict_get_try_str(qdict, "name"));
855 static void hmp_trace_event(Monitor *mon, const QDict *qdict)
857 const char *tp_name = qdict_get_str(qdict, "name");
858 bool new_state = qdict_get_bool(qdict, "option");
859 bool has_vcpu = qdict_haskey(qdict, "vcpu");
860 int vcpu = qdict_get_try_int(qdict, "vcpu", 0);
861 Error *local_err = NULL;
864 monitor_printf(mon, "argument vcpu must be positive");
868 qmp_trace_event_set_state(tp_name, new_state, true, true, has_vcpu, vcpu, &local_err);
870 error_report_err(local_err);
874 #ifdef CONFIG_TRACE_SIMPLE
875 static void hmp_trace_file(Monitor *mon, const QDict *qdict)
877 const char *op = qdict_get_try_str(qdict, "op");
878 const char *arg = qdict_get_try_str(qdict, "arg");
881 st_print_trace_file_status((FILE *)mon, &monitor_fprintf);
882 } else if (!strcmp(op, "on")) {
883 st_set_trace_file_enabled(true);
884 } else if (!strcmp(op, "off")) {
885 st_set_trace_file_enabled(false);
886 } else if (!strcmp(op, "flush")) {
887 st_flush_trace_buffer();
888 } else if (!strcmp(op, "set")) {
890 st_set_trace_file(arg);
893 monitor_printf(mon, "unexpected argument \"%s\"\n", op);
894 help_cmd(mon, "trace-file");
899 static void hmp_info_help(Monitor *mon, const QDict *qdict)
901 help_cmd(mon, "info");
904 static void query_commands_cb(QmpCommand *cmd, void *opaque)
906 CommandInfoList *info, **list = opaque;
912 info = g_malloc0(sizeof(*info));
913 info->value = g_malloc0(sizeof(*info->value));
914 info->value->name = g_strdup(cmd->name);
919 CommandInfoList *qmp_query_commands(Error **errp)
921 CommandInfoList *list = NULL;
923 qmp_for_each_command(cur_mon->qmp.commands, query_commands_cb, &list);
928 EventInfoList *qmp_query_events(Error **errp)
930 EventInfoList *info, *ev_list = NULL;
933 for (e = 0 ; e < QAPI_EVENT__MAX ; e++) {
934 const char *event_name = QAPIEvent_str(e);
935 assert(event_name != NULL);
936 info = g_malloc0(sizeof(*info));
937 info->value = g_malloc0(sizeof(*info->value));
938 info->value->name = g_strdup(event_name);
940 info->next = ev_list;
948 * Minor hack: generated marshalling suppressed for this command
949 * ('gen': false in the schema) so we can parse the JSON string
950 * directly into QObject instead of first parsing it with
951 * visit_type_SchemaInfoList() into a SchemaInfoList, then marshal it
952 * to QObject with generated output marshallers, every time. Instead,
953 * we do it in test-qobject-input-visitor.c, just to make sure
954 * qapi-introspect.py's output actually conforms to the schema.
956 static void qmp_query_qmp_schema(QDict *qdict, QObject **ret_data,
959 *ret_data = qobject_from_json(qmp_schema_json, &error_abort);
963 * We used to define commands in qmp-commands.hx in addition to the
964 * QAPI schema. This permitted defining some of them only in certain
965 * configurations. query-commands has always reflected that (good,
966 * because it lets QMP clients figure out what's actually available),
967 * while query-qmp-schema never did (not so good). This function is a
968 * hack to keep the configuration-specific commands defined exactly as
969 * before, even though qmp-commands.hx is gone.
971 * FIXME Educate the QAPI schema on configuration-specific commands,
972 * and drop this hack.
974 static void qmp_unregister_commands_hack(void)
977 qmp_unregister_command(&qmp_commands, "query-spice");
979 #ifndef CONFIG_REPLICATION
980 qmp_unregister_command(&qmp_commands, "xen-set-replication");
981 qmp_unregister_command(&qmp_commands, "query-xen-replication-status");
982 qmp_unregister_command(&qmp_commands, "xen-colo-do-checkpoint");
985 qmp_unregister_command(&qmp_commands, "rtc-reset-reinjection");
988 qmp_unregister_command(&qmp_commands, "dump-skeys");
991 qmp_unregister_command(&qmp_commands, "query-gic-capabilities");
993 #if !defined(TARGET_S390X) && !defined(TARGET_I386)
994 qmp_unregister_command(&qmp_commands, "query-cpu-model-expansion");
996 #if !defined(TARGET_S390X)
997 qmp_unregister_command(&qmp_commands, "query-cpu-model-baseline");
998 qmp_unregister_command(&qmp_commands, "query-cpu-model-comparison");
1000 #if !defined(TARGET_PPC) && !defined(TARGET_ARM) && !defined(TARGET_I386) \
1001 && !defined(TARGET_S390X)
1002 qmp_unregister_command(&qmp_commands, "query-cpu-definitions");
1006 void monitor_init_qmp_commands(void)
1009 * Two command lists:
1010 * - qmp_commands contains all QMP commands
1011 * - qmp_cap_negotiation_commands contains just
1012 * "qmp_capabilities", to enforce capability negotiation
1015 qmp_init_marshal(&qmp_commands);
1017 qmp_register_command(&qmp_commands, "query-qmp-schema",
1018 qmp_query_qmp_schema,
1020 qmp_register_command(&qmp_commands, "device_add", qmp_device_add,
1022 qmp_register_command(&qmp_commands, "netdev_add", qmp_netdev_add,
1025 qmp_unregister_commands_hack();
1027 QTAILQ_INIT(&qmp_cap_negotiation_commands);
1028 qmp_register_command(&qmp_cap_negotiation_commands, "qmp_capabilities",
1029 qmp_marshal_qmp_capabilities, QCO_NO_OPTIONS);
1032 void qmp_qmp_capabilities(Error **errp)
1034 if (cur_mon->qmp.commands == &qmp_commands) {
1035 error_set(errp, ERROR_CLASS_COMMAND_NOT_FOUND,
1036 "Capabilities negotiation is already complete, command "
1041 cur_mon->qmp.commands = &qmp_commands;
1044 /* set the current CPU defined by the user */
1045 int monitor_set_cpu(int cpu_index)
1049 cpu = qemu_get_cpu(cpu_index);
1053 g_free(cur_mon->mon_cpu_path);
1054 cur_mon->mon_cpu_path = object_get_canonical_path(OBJECT(cpu));
1058 CPUState *mon_get_cpu(void)
1062 if (cur_mon->mon_cpu_path) {
1063 cpu = (CPUState *) object_resolve_path_type(cur_mon->mon_cpu_path,
1066 g_free(cur_mon->mon_cpu_path);
1067 cur_mon->mon_cpu_path = NULL;
1070 if (!cur_mon->mon_cpu_path) {
1074 monitor_set_cpu(first_cpu->cpu_index);
1077 cpu_synchronize_state(cpu);
1081 CPUArchState *mon_get_cpu_env(void)
1083 CPUState *cs = mon_get_cpu();
1085 return cs ? cs->env_ptr : NULL;
1088 int monitor_get_cpu_index(void)
1090 CPUState *cs = mon_get_cpu();
1092 return cs ? cs->cpu_index : UNASSIGNED_CPU_INDEX;
1095 static void hmp_info_registers(Monitor *mon, const QDict *qdict)
1097 bool all_cpus = qdict_get_try_bool(qdict, "cpustate_all", false);
1102 monitor_printf(mon, "\nCPU#%d\n", cs->cpu_index);
1103 cpu_dump_state(cs, (FILE *)mon, monitor_fprintf, CPU_DUMP_FPU);
1109 monitor_printf(mon, "No CPU available\n");
1113 cpu_dump_state(cs, (FILE *)mon, monitor_fprintf, CPU_DUMP_FPU);
1118 static void hmp_info_jit(Monitor *mon, const QDict *qdict)
1120 if (!tcg_enabled()) {
1121 error_report("JIT information is only available with accel=tcg");
1125 dump_exec_info((FILE *)mon, monitor_fprintf);
1126 dump_drift_info((FILE *)mon, monitor_fprintf);
1129 static void hmp_info_opcount(Monitor *mon, const QDict *qdict)
1131 dump_opcount_info((FILE *)mon, monitor_fprintf);
1135 static void hmp_info_history(Monitor *mon, const QDict *qdict)
1144 str = readline_get_history(mon->rs, i);
1147 monitor_printf(mon, "%d: '%s'\n", i, str);
1152 static void hmp_info_cpustats(Monitor *mon, const QDict *qdict)
1154 CPUState *cs = mon_get_cpu();
1157 monitor_printf(mon, "No CPU available\n");
1160 cpu_dump_statistics(cs, (FILE *)mon, &monitor_fprintf, 0);
1163 static void hmp_info_trace_events(Monitor *mon, const QDict *qdict)
1165 const char *name = qdict_get_try_str(qdict, "name");
1166 bool has_vcpu = qdict_haskey(qdict, "vcpu");
1167 int vcpu = qdict_get_try_int(qdict, "vcpu", 0);
1168 TraceEventInfoList *events;
1169 TraceEventInfoList *elem;
1170 Error *local_err = NULL;
1176 monitor_printf(mon, "argument vcpu must be positive");
1180 events = qmp_trace_event_get_state(name, has_vcpu, vcpu, &local_err);
1182 error_report_err(local_err);
1186 for (elem = events; elem != NULL; elem = elem->next) {
1187 monitor_printf(mon, "%s : state %u\n",
1189 elem->value->state == TRACE_EVENT_STATE_ENABLED ? 1 : 0);
1191 qapi_free_TraceEventInfoList(events);
1194 void qmp_client_migrate_info(const char *protocol, const char *hostname,
1195 bool has_port, int64_t port,
1196 bool has_tls_port, int64_t tls_port,
1197 bool has_cert_subject, const char *cert_subject,
1200 if (strcmp(protocol, "spice") == 0) {
1201 if (!qemu_using_spice(errp)) {
1205 if (!has_port && !has_tls_port) {
1206 error_setg(errp, QERR_MISSING_PARAMETER, "port/tls-port");
1210 if (qemu_spice_migrate_info(hostname,
1211 has_port ? port : -1,
1212 has_tls_port ? tls_port : -1,
1214 error_setg(errp, QERR_UNDEFINED_ERROR);
1220 error_setg(errp, QERR_INVALID_PARAMETER_VALUE, "protocol", "spice");
1223 static void hmp_logfile(Monitor *mon, const QDict *qdict)
1227 qemu_set_log_filename(qdict_get_str(qdict, "filename"), &err);
1229 error_report_err(err);
1233 static void hmp_log(Monitor *mon, const QDict *qdict)
1236 const char *items = qdict_get_str(qdict, "items");
1238 if (!strcmp(items, "none")) {
1241 mask = qemu_str_to_log_mask(items);
1243 help_cmd(mon, "log");
1250 static void hmp_singlestep(Monitor *mon, const QDict *qdict)
1252 const char *option = qdict_get_try_str(qdict, "option");
1253 if (!option || !strcmp(option, "on")) {
1255 } else if (!strcmp(option, "off")) {
1258 monitor_printf(mon, "unexpected option %s\n", option);
1262 static void hmp_gdbserver(Monitor *mon, const QDict *qdict)
1264 const char *device = qdict_get_try_str(qdict, "device");
1266 device = "tcp::" DEFAULT_GDBSTUB_PORT;
1267 if (gdbserver_start(device) < 0) {
1268 monitor_printf(mon, "Could not open gdbserver on device '%s'\n",
1270 } else if (strcmp(device, "none") == 0) {
1271 monitor_printf(mon, "Disabled gdbserver\n");
1273 monitor_printf(mon, "Waiting for gdb connection on device '%s'\n",
1278 static void hmp_watchdog_action(Monitor *mon, const QDict *qdict)
1280 const char *action = qdict_get_str(qdict, "action");
1281 if (select_watchdog_action(action) == -1) {
1282 monitor_printf(mon, "Unknown watchdog action '%s'\n", action);
1286 static void monitor_printc(Monitor *mon, int c)
1288 monitor_printf(mon, "'");
1291 monitor_printf(mon, "\\'");
1294 monitor_printf(mon, "\\\\");
1297 monitor_printf(mon, "\\n");
1300 monitor_printf(mon, "\\r");
1303 if (c >= 32 && c <= 126) {
1304 monitor_printf(mon, "%c", c);
1306 monitor_printf(mon, "\\x%02x", c);
1310 monitor_printf(mon, "'");
1313 static void memory_dump(Monitor *mon, int count, int format, int wsize,
1314 hwaddr addr, int is_physical)
1316 int l, line_size, i, max_digits, len;
1319 CPUState *cs = mon_get_cpu();
1321 if (!cs && (format == 'i' || !is_physical)) {
1322 monitor_printf(mon, "Can not dump without CPU\n");
1326 if (format == 'i') {
1327 monitor_disas(mon, cs, addr, count, is_physical);
1331 len = wsize * count;
1340 max_digits = DIV_ROUND_UP(wsize * 8, 3);
1344 max_digits = (wsize * 8) / 4;
1348 max_digits = DIV_ROUND_UP(wsize * 8 * 10, 33);
1357 monitor_printf(mon, TARGET_FMT_plx ":", addr);
1359 monitor_printf(mon, TARGET_FMT_lx ":", (target_ulong)addr);
1364 cpu_physical_memory_read(addr, buf, l);
1366 if (cpu_memory_rw_debug(cs, addr, buf, l, 0) < 0) {
1367 monitor_printf(mon, " Cannot access memory\n");
1376 v = ldub_p(buf + i);
1379 v = lduw_p(buf + i);
1382 v = (uint32_t)ldl_p(buf + i);
1388 monitor_printf(mon, " ");
1391 monitor_printf(mon, "%#*" PRIo64, max_digits, v);
1394 monitor_printf(mon, "0x%0*" PRIx64, max_digits, v);
1397 monitor_printf(mon, "%*" PRIu64, max_digits, v);
1400 monitor_printf(mon, "%*" PRId64, max_digits, v);
1403 monitor_printc(mon, v);
1408 monitor_printf(mon, "\n");
1414 static void hmp_memory_dump(Monitor *mon, const QDict *qdict)
1416 int count = qdict_get_int(qdict, "count");
1417 int format = qdict_get_int(qdict, "format");
1418 int size = qdict_get_int(qdict, "size");
1419 target_long addr = qdict_get_int(qdict, "addr");
1421 memory_dump(mon, count, format, size, addr, 0);
1424 static void hmp_physical_memory_dump(Monitor *mon, const QDict *qdict)
1426 int count = qdict_get_int(qdict, "count");
1427 int format = qdict_get_int(qdict, "format");
1428 int size = qdict_get_int(qdict, "size");
1429 hwaddr addr = qdict_get_int(qdict, "addr");
1431 memory_dump(mon, count, format, size, addr, 1);
1434 static void *gpa2hva(MemoryRegion **p_mr, hwaddr addr, Error **errp)
1436 MemoryRegionSection mrs = memory_region_find(get_system_memory(),
1440 error_setg(errp, "No memory is mapped at address 0x%" HWADDR_PRIx, addr);
1444 if (!memory_region_is_ram(mrs.mr) && !memory_region_is_romd(mrs.mr)) {
1445 error_setg(errp, "Memory at address 0x%" HWADDR_PRIx "is not RAM", addr);
1446 memory_region_unref(mrs.mr);
1451 return qemu_map_ram_ptr(mrs.mr->ram_block, mrs.offset_within_region);
1454 static void hmp_gpa2hva(Monitor *mon, const QDict *qdict)
1456 hwaddr addr = qdict_get_int(qdict, "addr");
1457 Error *local_err = NULL;
1458 MemoryRegion *mr = NULL;
1461 ptr = gpa2hva(&mr, addr, &local_err);
1463 error_report_err(local_err);
1467 monitor_printf(mon, "Host virtual address for 0x%" HWADDR_PRIx
1469 addr, mr->name, ptr);
1471 memory_region_unref(mr);
1475 static uint64_t vtop(void *ptr, Error **errp)
1479 uintptr_t addr = (uintptr_t) ptr;
1480 uintptr_t pagesize = getpagesize();
1481 off_t offset = addr / pagesize * sizeof(pinfo);
1484 fd = open("/proc/self/pagemap", O_RDONLY);
1486 error_setg_errno(errp, errno, "Cannot open /proc/self/pagemap");
1490 /* Force copy-on-write if necessary. */
1491 atomic_add((uint8_t *)ptr, 0);
1493 if (pread(fd, &pinfo, sizeof(pinfo), offset) != sizeof(pinfo)) {
1494 error_setg_errno(errp, errno, "Cannot read pagemap");
1497 if ((pinfo & (1ull << 63)) == 0) {
1498 error_setg(errp, "Page not present");
1501 ret = ((pinfo & 0x007fffffffffffffull) * pagesize) | (addr & (pagesize - 1));
1508 static void hmp_gpa2hpa(Monitor *mon, const QDict *qdict)
1510 hwaddr addr = qdict_get_int(qdict, "addr");
1511 Error *local_err = NULL;
1512 MemoryRegion *mr = NULL;
1516 ptr = gpa2hva(&mr, addr, &local_err);
1518 error_report_err(local_err);
1522 physaddr = vtop(ptr, &local_err);
1524 error_report_err(local_err);
1526 monitor_printf(mon, "Host physical address for 0x%" HWADDR_PRIx
1527 " (%s) is 0x%" PRIx64 "\n",
1528 addr, mr->name, (uint64_t) physaddr);
1531 memory_region_unref(mr);
1535 static void do_print(Monitor *mon, const QDict *qdict)
1537 int format = qdict_get_int(qdict, "format");
1538 hwaddr val = qdict_get_int(qdict, "val");
1542 monitor_printf(mon, "%#" HWADDR_PRIo, val);
1545 monitor_printf(mon, "%#" HWADDR_PRIx, val);
1548 monitor_printf(mon, "%" HWADDR_PRIu, val);
1552 monitor_printf(mon, "%" HWADDR_PRId, val);
1555 monitor_printc(mon, val);
1558 monitor_printf(mon, "\n");
1561 static void hmp_sum(Monitor *mon, const QDict *qdict)
1565 uint32_t start = qdict_get_int(qdict, "start");
1566 uint32_t size = qdict_get_int(qdict, "size");
1569 for(addr = start; addr < (start + size); addr++) {
1570 uint8_t val = address_space_ldub(&address_space_memory, addr,
1571 MEMTXATTRS_UNSPECIFIED, NULL);
1572 /* BSD sum algorithm ('sum' Unix command) */
1573 sum = (sum >> 1) | (sum << 15);
1576 monitor_printf(mon, "%05d\n", sum);
1579 static int mouse_button_state;
1581 static void hmp_mouse_move(Monitor *mon, const QDict *qdict)
1583 int dx, dy, dz, button;
1584 const char *dx_str = qdict_get_str(qdict, "dx_str");
1585 const char *dy_str = qdict_get_str(qdict, "dy_str");
1586 const char *dz_str = qdict_get_try_str(qdict, "dz_str");
1588 dx = strtol(dx_str, NULL, 0);
1589 dy = strtol(dy_str, NULL, 0);
1590 qemu_input_queue_rel(NULL, INPUT_AXIS_X, dx);
1591 qemu_input_queue_rel(NULL, INPUT_AXIS_Y, dy);
1594 dz = strtol(dz_str, NULL, 0);
1596 button = (dz > 0) ? INPUT_BUTTON_WHEEL_UP : INPUT_BUTTON_WHEEL_DOWN;
1597 qemu_input_queue_btn(NULL, button, true);
1598 qemu_input_event_sync();
1599 qemu_input_queue_btn(NULL, button, false);
1602 qemu_input_event_sync();
1605 static void hmp_mouse_button(Monitor *mon, const QDict *qdict)
1607 static uint32_t bmap[INPUT_BUTTON__MAX] = {
1608 [INPUT_BUTTON_LEFT] = MOUSE_EVENT_LBUTTON,
1609 [INPUT_BUTTON_MIDDLE] = MOUSE_EVENT_MBUTTON,
1610 [INPUT_BUTTON_RIGHT] = MOUSE_EVENT_RBUTTON,
1612 int button_state = qdict_get_int(qdict, "button_state");
1614 if (mouse_button_state == button_state) {
1617 qemu_input_update_buttons(NULL, bmap, mouse_button_state, button_state);
1618 qemu_input_event_sync();
1619 mouse_button_state = button_state;
1622 static void hmp_ioport_read(Monitor *mon, const QDict *qdict)
1624 int size = qdict_get_int(qdict, "size");
1625 int addr = qdict_get_int(qdict, "addr");
1626 int has_index = qdict_haskey(qdict, "index");
1631 int index = qdict_get_int(qdict, "index");
1632 cpu_outb(addr & IOPORTS_MASK, index & 0xff);
1640 val = cpu_inb(addr);
1644 val = cpu_inw(addr);
1648 val = cpu_inl(addr);
1652 monitor_printf(mon, "port%c[0x%04x] = %#0*x\n",
1653 suffix, addr, size * 2, val);
1656 static void hmp_ioport_write(Monitor *mon, const QDict *qdict)
1658 int size = qdict_get_int(qdict, "size");
1659 int addr = qdict_get_int(qdict, "addr");
1660 int val = qdict_get_int(qdict, "val");
1662 addr &= IOPORTS_MASK;
1667 cpu_outb(addr, val);
1670 cpu_outw(addr, val);
1673 cpu_outl(addr, val);
1678 static void hmp_boot_set(Monitor *mon, const QDict *qdict)
1680 Error *local_err = NULL;
1681 const char *bootdevice = qdict_get_str(qdict, "bootdevice");
1683 qemu_boot_set(bootdevice, &local_err);
1685 error_report_err(local_err);
1687 monitor_printf(mon, "boot device list now set to %s\n", bootdevice);
1691 static void hmp_info_mtree(Monitor *mon, const QDict *qdict)
1693 bool flatview = qdict_get_try_bool(qdict, "flatview", false);
1694 bool dispatch_tree = qdict_get_try_bool(qdict, "dispatch_tree", false);
1696 mtree_info((fprintf_function)monitor_printf, mon, flatview, dispatch_tree);
1699 static void hmp_info_numa(Monitor *mon, const QDict *qdict)
1702 NumaNodeMem *node_mem;
1703 CpuInfoList *cpu_list, *cpu;
1705 cpu_list = qmp_query_cpus(&error_abort);
1706 node_mem = g_new0(NumaNodeMem, nb_numa_nodes);
1708 query_numa_node_mem(node_mem);
1709 monitor_printf(mon, "%d nodes\n", nb_numa_nodes);
1710 for (i = 0; i < nb_numa_nodes; i++) {
1711 monitor_printf(mon, "node %d cpus:", i);
1712 for (cpu = cpu_list; cpu; cpu = cpu->next) {
1713 if (cpu->value->has_props && cpu->value->props->has_node_id &&
1714 cpu->value->props->node_id == i) {
1715 monitor_printf(mon, " %" PRIi64, cpu->value->CPU);
1718 monitor_printf(mon, "\n");
1719 monitor_printf(mon, "node %d size: %" PRId64 " MB\n", i,
1720 node_mem[i].node_mem >> 20);
1721 monitor_printf(mon, "node %d plugged: %" PRId64 " MB\n", i,
1722 node_mem[i].node_plugged_mem >> 20);
1724 qapi_free_CpuInfoList(cpu_list);
1728 #ifdef CONFIG_PROFILER
1733 static void hmp_info_profile(Monitor *mon, const QDict *qdict)
1735 monitor_printf(mon, "async time %" PRId64 " (%0.3f)\n",
1736 dev_time, dev_time / (double)NANOSECONDS_PER_SECOND);
1737 monitor_printf(mon, "qemu time %" PRId64 " (%0.3f)\n",
1738 tcg_time, tcg_time / (double)NANOSECONDS_PER_SECOND);
1743 static void hmp_info_profile(Monitor *mon, const QDict *qdict)
1745 monitor_printf(mon, "Internal profiler not compiled\n");
1749 /* Capture support */
1750 static QLIST_HEAD (capture_list_head, CaptureState) capture_head;
1752 static void hmp_info_capture(Monitor *mon, const QDict *qdict)
1757 for (s = capture_head.lh_first, i = 0; s; s = s->entries.le_next, ++i) {
1758 monitor_printf(mon, "[%d]: ", i);
1759 s->ops.info (s->opaque);
1763 static void hmp_stopcapture(Monitor *mon, const QDict *qdict)
1766 int n = qdict_get_int(qdict, "n");
1769 for (s = capture_head.lh_first, i = 0; s; s = s->entries.le_next, ++i) {
1771 s->ops.destroy (s->opaque);
1772 QLIST_REMOVE (s, entries);
1779 static void hmp_wavcapture(Monitor *mon, const QDict *qdict)
1781 const char *path = qdict_get_str(qdict, "path");
1782 int has_freq = qdict_haskey(qdict, "freq");
1783 int freq = qdict_get_try_int(qdict, "freq", -1);
1784 int has_bits = qdict_haskey(qdict, "bits");
1785 int bits = qdict_get_try_int(qdict, "bits", -1);
1786 int has_channels = qdict_haskey(qdict, "nchannels");
1787 int nchannels = qdict_get_try_int(qdict, "nchannels", -1);
1790 s = g_malloc0 (sizeof (*s));
1792 freq = has_freq ? freq : 44100;
1793 bits = has_bits ? bits : 16;
1794 nchannels = has_channels ? nchannels : 2;
1796 if (wav_start_capture (s, path, freq, bits, nchannels)) {
1797 monitor_printf(mon, "Failed to add wave capture\n");
1801 QLIST_INSERT_HEAD (&capture_head, s, entries);
1804 static qemu_acl *find_acl(Monitor *mon, const char *name)
1806 qemu_acl *acl = qemu_acl_find(name);
1809 monitor_printf(mon, "acl: unknown list '%s'\n", name);
1814 static void hmp_acl_show(Monitor *mon, const QDict *qdict)
1816 const char *aclname = qdict_get_str(qdict, "aclname");
1817 qemu_acl *acl = find_acl(mon, aclname);
1818 qemu_acl_entry *entry;
1822 monitor_printf(mon, "policy: %s\n",
1823 acl->defaultDeny ? "deny" : "allow");
1824 QTAILQ_FOREACH(entry, &acl->entries, next) {
1826 monitor_printf(mon, "%d: %s %s\n", i,
1827 entry->deny ? "deny" : "allow", entry->match);
1832 static void hmp_acl_reset(Monitor *mon, const QDict *qdict)
1834 const char *aclname = qdict_get_str(qdict, "aclname");
1835 qemu_acl *acl = find_acl(mon, aclname);
1838 qemu_acl_reset(acl);
1839 monitor_printf(mon, "acl: removed all rules\n");
1843 static void hmp_acl_policy(Monitor *mon, const QDict *qdict)
1845 const char *aclname = qdict_get_str(qdict, "aclname");
1846 const char *policy = qdict_get_str(qdict, "policy");
1847 qemu_acl *acl = find_acl(mon, aclname);
1850 if (strcmp(policy, "allow") == 0) {
1851 acl->defaultDeny = 0;
1852 monitor_printf(mon, "acl: policy set to 'allow'\n");
1853 } else if (strcmp(policy, "deny") == 0) {
1854 acl->defaultDeny = 1;
1855 monitor_printf(mon, "acl: policy set to 'deny'\n");
1857 monitor_printf(mon, "acl: unknown policy '%s', "
1858 "expected 'deny' or 'allow'\n", policy);
1863 static void hmp_acl_add(Monitor *mon, const QDict *qdict)
1865 const char *aclname = qdict_get_str(qdict, "aclname");
1866 const char *match = qdict_get_str(qdict, "match");
1867 const char *policy = qdict_get_str(qdict, "policy");
1868 int has_index = qdict_haskey(qdict, "index");
1869 int index = qdict_get_try_int(qdict, "index", -1);
1870 qemu_acl *acl = find_acl(mon, aclname);
1874 if (strcmp(policy, "allow") == 0) {
1876 } else if (strcmp(policy, "deny") == 0) {
1879 monitor_printf(mon, "acl: unknown policy '%s', "
1880 "expected 'deny' or 'allow'\n", policy);
1884 ret = qemu_acl_insert(acl, deny, match, index);
1886 ret = qemu_acl_append(acl, deny, match);
1888 monitor_printf(mon, "acl: unable to add acl entry\n");
1890 monitor_printf(mon, "acl: added rule at position %d\n", ret);
1894 static void hmp_acl_remove(Monitor *mon, const QDict *qdict)
1896 const char *aclname = qdict_get_str(qdict, "aclname");
1897 const char *match = qdict_get_str(qdict, "match");
1898 qemu_acl *acl = find_acl(mon, aclname);
1902 ret = qemu_acl_remove(acl, match);
1904 monitor_printf(mon, "acl: no matching acl entry\n");
1906 monitor_printf(mon, "acl: removed rule at position %d\n", ret);
1910 void qmp_getfd(const char *fdname, Error **errp)
1915 fd = qemu_chr_fe_get_msgfd(&cur_mon->chr);
1917 error_setg(errp, QERR_FD_NOT_SUPPLIED);
1921 if (qemu_isdigit(fdname[0])) {
1923 error_setg(errp, QERR_INVALID_PARAMETER_VALUE, "fdname",
1924 "a name not starting with a digit");
1928 QLIST_FOREACH(monfd, &cur_mon->fds, next) {
1929 if (strcmp(monfd->name, fdname) != 0) {
1938 monfd = g_malloc0(sizeof(mon_fd_t));
1939 monfd->name = g_strdup(fdname);
1942 QLIST_INSERT_HEAD(&cur_mon->fds, monfd, next);
1945 void qmp_closefd(const char *fdname, Error **errp)
1949 QLIST_FOREACH(monfd, &cur_mon->fds, next) {
1950 if (strcmp(monfd->name, fdname) != 0) {
1954 QLIST_REMOVE(monfd, next);
1956 g_free(monfd->name);
1961 error_setg(errp, QERR_FD_NOT_FOUND, fdname);
1964 int monitor_get_fd(Monitor *mon, const char *fdname, Error **errp)
1968 QLIST_FOREACH(monfd, &mon->fds, next) {
1971 if (strcmp(monfd->name, fdname) != 0) {
1977 /* caller takes ownership of fd */
1978 QLIST_REMOVE(monfd, next);
1979 g_free(monfd->name);
1985 error_setg(errp, "File descriptor named '%s' has not been found", fdname);
1989 static void monitor_fdset_cleanup(MonFdset *mon_fdset)
1991 MonFdsetFd *mon_fdset_fd;
1992 MonFdsetFd *mon_fdset_fd_next;
1994 QLIST_FOREACH_SAFE(mon_fdset_fd, &mon_fdset->fds, next, mon_fdset_fd_next) {
1995 if ((mon_fdset_fd->removed ||
1996 (QLIST_EMPTY(&mon_fdset->dup_fds) && mon_refcount == 0)) &&
1997 runstate_is_running()) {
1998 close(mon_fdset_fd->fd);
1999 g_free(mon_fdset_fd->opaque);
2000 QLIST_REMOVE(mon_fdset_fd, next);
2001 g_free(mon_fdset_fd);
2005 if (QLIST_EMPTY(&mon_fdset->fds) && QLIST_EMPTY(&mon_fdset->dup_fds)) {
2006 QLIST_REMOVE(mon_fdset, next);
2011 static void monitor_fdsets_cleanup(void)
2013 MonFdset *mon_fdset;
2014 MonFdset *mon_fdset_next;
2016 QLIST_FOREACH_SAFE(mon_fdset, &mon_fdsets, next, mon_fdset_next) {
2017 monitor_fdset_cleanup(mon_fdset);
2021 AddfdInfo *qmp_add_fd(bool has_fdset_id, int64_t fdset_id, bool has_opaque,
2022 const char *opaque, Error **errp)
2025 Monitor *mon = cur_mon;
2028 fd = qemu_chr_fe_get_msgfd(&mon->chr);
2030 error_setg(errp, QERR_FD_NOT_SUPPLIED);
2034 fdinfo = monitor_fdset_add_fd(fd, has_fdset_id, fdset_id,
2035 has_opaque, opaque, errp);
2047 void qmp_remove_fd(int64_t fdset_id, bool has_fd, int64_t fd, Error **errp)
2049 MonFdset *mon_fdset;
2050 MonFdsetFd *mon_fdset_fd;
2053 QLIST_FOREACH(mon_fdset, &mon_fdsets, next) {
2054 if (mon_fdset->id != fdset_id) {
2057 QLIST_FOREACH(mon_fdset_fd, &mon_fdset->fds, next) {
2059 if (mon_fdset_fd->fd != fd) {
2062 mon_fdset_fd->removed = true;
2065 mon_fdset_fd->removed = true;
2068 if (has_fd && !mon_fdset_fd) {
2071 monitor_fdset_cleanup(mon_fdset);
2077 snprintf(fd_str, sizeof(fd_str), "fdset-id:%" PRId64 ", fd:%" PRId64,
2080 snprintf(fd_str, sizeof(fd_str), "fdset-id:%" PRId64, fdset_id);
2082 error_setg(errp, QERR_FD_NOT_FOUND, fd_str);
2085 FdsetInfoList *qmp_query_fdsets(Error **errp)
2087 MonFdset *mon_fdset;
2088 MonFdsetFd *mon_fdset_fd;
2089 FdsetInfoList *fdset_list = NULL;
2091 QLIST_FOREACH(mon_fdset, &mon_fdsets, next) {
2092 FdsetInfoList *fdset_info = g_malloc0(sizeof(*fdset_info));
2093 FdsetFdInfoList *fdsetfd_list = NULL;
2095 fdset_info->value = g_malloc0(sizeof(*fdset_info->value));
2096 fdset_info->value->fdset_id = mon_fdset->id;
2098 QLIST_FOREACH(mon_fdset_fd, &mon_fdset->fds, next) {
2099 FdsetFdInfoList *fdsetfd_info;
2101 fdsetfd_info = g_malloc0(sizeof(*fdsetfd_info));
2102 fdsetfd_info->value = g_malloc0(sizeof(*fdsetfd_info->value));
2103 fdsetfd_info->value->fd = mon_fdset_fd->fd;
2104 if (mon_fdset_fd->opaque) {
2105 fdsetfd_info->value->has_opaque = true;
2106 fdsetfd_info->value->opaque = g_strdup(mon_fdset_fd->opaque);
2108 fdsetfd_info->value->has_opaque = false;
2111 fdsetfd_info->next = fdsetfd_list;
2112 fdsetfd_list = fdsetfd_info;
2115 fdset_info->value->fds = fdsetfd_list;
2117 fdset_info->next = fdset_list;
2118 fdset_list = fdset_info;
2124 AddfdInfo *monitor_fdset_add_fd(int fd, bool has_fdset_id, int64_t fdset_id,
2125 bool has_opaque, const char *opaque,
2128 MonFdset *mon_fdset = NULL;
2129 MonFdsetFd *mon_fdset_fd;
2133 QLIST_FOREACH(mon_fdset, &mon_fdsets, next) {
2134 /* Break if match found or match impossible due to ordering by ID */
2135 if (fdset_id <= mon_fdset->id) {
2136 if (fdset_id < mon_fdset->id) {
2144 if (mon_fdset == NULL) {
2145 int64_t fdset_id_prev = -1;
2146 MonFdset *mon_fdset_cur = QLIST_FIRST(&mon_fdsets);
2150 error_setg(errp, QERR_INVALID_PARAMETER_VALUE, "fdset-id",
2151 "a non-negative value");
2154 /* Use specified fdset ID */
2155 QLIST_FOREACH(mon_fdset, &mon_fdsets, next) {
2156 mon_fdset_cur = mon_fdset;
2157 if (fdset_id < mon_fdset_cur->id) {
2162 /* Use first available fdset ID */
2163 QLIST_FOREACH(mon_fdset, &mon_fdsets, next) {
2164 mon_fdset_cur = mon_fdset;
2165 if (fdset_id_prev == mon_fdset_cur->id - 1) {
2166 fdset_id_prev = mon_fdset_cur->id;
2173 mon_fdset = g_malloc0(sizeof(*mon_fdset));
2175 mon_fdset->id = fdset_id;
2177 mon_fdset->id = fdset_id_prev + 1;
2180 /* The fdset list is ordered by fdset ID */
2181 if (!mon_fdset_cur) {
2182 QLIST_INSERT_HEAD(&mon_fdsets, mon_fdset, next);
2183 } else if (mon_fdset->id < mon_fdset_cur->id) {
2184 QLIST_INSERT_BEFORE(mon_fdset_cur, mon_fdset, next);
2186 QLIST_INSERT_AFTER(mon_fdset_cur, mon_fdset, next);
2190 mon_fdset_fd = g_malloc0(sizeof(*mon_fdset_fd));
2191 mon_fdset_fd->fd = fd;
2192 mon_fdset_fd->removed = false;
2194 mon_fdset_fd->opaque = g_strdup(opaque);
2196 QLIST_INSERT_HEAD(&mon_fdset->fds, mon_fdset_fd, next);
2198 fdinfo = g_malloc0(sizeof(*fdinfo));
2199 fdinfo->fdset_id = mon_fdset->id;
2200 fdinfo->fd = mon_fdset_fd->fd;
2205 int monitor_fdset_get_fd(int64_t fdset_id, int flags)
2208 MonFdset *mon_fdset;
2209 MonFdsetFd *mon_fdset_fd;
2212 QLIST_FOREACH(mon_fdset, &mon_fdsets, next) {
2213 if (mon_fdset->id != fdset_id) {
2216 QLIST_FOREACH(mon_fdset_fd, &mon_fdset->fds, next) {
2217 mon_fd_flags = fcntl(mon_fdset_fd->fd, F_GETFL);
2218 if (mon_fd_flags == -1) {
2222 if ((flags & O_ACCMODE) == (mon_fd_flags & O_ACCMODE)) {
2223 return mon_fdset_fd->fd;
2235 int monitor_fdset_dup_fd_add(int64_t fdset_id, int dup_fd)
2237 MonFdset *mon_fdset;
2238 MonFdsetFd *mon_fdset_fd_dup;
2240 QLIST_FOREACH(mon_fdset, &mon_fdsets, next) {
2241 if (mon_fdset->id != fdset_id) {
2244 QLIST_FOREACH(mon_fdset_fd_dup, &mon_fdset->dup_fds, next) {
2245 if (mon_fdset_fd_dup->fd == dup_fd) {
2249 mon_fdset_fd_dup = g_malloc0(sizeof(*mon_fdset_fd_dup));
2250 mon_fdset_fd_dup->fd = dup_fd;
2251 QLIST_INSERT_HEAD(&mon_fdset->dup_fds, mon_fdset_fd_dup, next);
2257 static int monitor_fdset_dup_fd_find_remove(int dup_fd, bool remove)
2259 MonFdset *mon_fdset;
2260 MonFdsetFd *mon_fdset_fd_dup;
2262 QLIST_FOREACH(mon_fdset, &mon_fdsets, next) {
2263 QLIST_FOREACH(mon_fdset_fd_dup, &mon_fdset->dup_fds, next) {
2264 if (mon_fdset_fd_dup->fd == dup_fd) {
2266 QLIST_REMOVE(mon_fdset_fd_dup, next);
2267 if (QLIST_EMPTY(&mon_fdset->dup_fds)) {
2268 monitor_fdset_cleanup(mon_fdset);
2272 return mon_fdset->id;
2280 int monitor_fdset_dup_fd_find(int dup_fd)
2282 return monitor_fdset_dup_fd_find_remove(dup_fd, false);
2285 void monitor_fdset_dup_fd_remove(int dup_fd)
2287 monitor_fdset_dup_fd_find_remove(dup_fd, true);
2290 int monitor_fd_param(Monitor *mon, const char *fdname, Error **errp)
2293 Error *local_err = NULL;
2295 if (!qemu_isdigit(fdname[0]) && mon) {
2296 fd = monitor_get_fd(mon, fdname, &local_err);
2298 fd = qemu_parse_fd(fdname);
2300 error_setg(&local_err, "Invalid file descriptor number '%s'",
2305 error_propagate(errp, local_err);
2314 /* Please update hmp-commands.hx when adding or changing commands */
2315 static mon_cmd_t info_cmds[] = {
2316 #include "hmp-commands-info.h"
2320 /* mon_cmds and info_cmds would be sorted at runtime */
2321 static mon_cmd_t mon_cmds[] = {
2322 #include "hmp-commands.h"
2326 /*******************************************************************/
2328 static const char *pch;
2329 static sigjmp_buf expr_env;
2332 static void GCC_FMT_ATTR(2, 3) QEMU_NORETURN
2333 expr_error(Monitor *mon, const char *fmt, ...)
2337 monitor_vprintf(mon, fmt, ap);
2338 monitor_printf(mon, "\n");
2340 siglongjmp(expr_env, 1);
2343 /* return 0 if OK, -1 if not found */
2344 static int get_monitor_def(target_long *pval, const char *name)
2346 const MonitorDef *md = target_monitor_defs();
2347 CPUState *cs = mon_get_cpu();
2352 if (cs == NULL || md == NULL) {
2356 for(; md->name != NULL; md++) {
2357 if (compare_cmd(name, md->name)) {
2358 if (md->get_value) {
2359 *pval = md->get_value(md, md->offset);
2361 CPUArchState *env = mon_get_cpu_env();
2362 ptr = (uint8_t *)env + md->offset;
2365 *pval = *(int32_t *)ptr;
2368 *pval = *(target_long *)ptr;
2379 ret = target_get_monitor_def(cs, name, &tmp);
2381 *pval = (target_long) tmp;
2387 static void next(void)
2391 while (qemu_isspace(*pch))
2396 static int64_t expr_sum(Monitor *mon);
2398 static int64_t expr_unary(Monitor *mon)
2407 n = expr_unary(mon);
2411 n = -expr_unary(mon);
2415 n = ~expr_unary(mon);
2421 expr_error(mon, "')' expected");
2428 expr_error(mon, "character constant expected");
2432 expr_error(mon, "missing terminating \' character");
2442 while ((*pch >= 'a' && *pch <= 'z') ||
2443 (*pch >= 'A' && *pch <= 'Z') ||
2444 (*pch >= '0' && *pch <= '9') ||
2445 *pch == '_' || *pch == '.') {
2446 if ((q - buf) < sizeof(buf) - 1)
2450 while (qemu_isspace(*pch))
2453 ret = get_monitor_def(®, buf);
2455 expr_error(mon, "unknown register");
2460 expr_error(mon, "unexpected end of expression");
2465 n = strtoull(pch, &p, 0);
2466 if (errno == ERANGE) {
2467 expr_error(mon, "number too large");
2470 expr_error(mon, "invalid char '%c' in expression", *p);
2473 while (qemu_isspace(*pch))
2481 static int64_t expr_prod(Monitor *mon)
2486 val = expr_unary(mon);
2489 if (op != '*' && op != '/' && op != '%')
2492 val2 = expr_unary(mon);
2501 expr_error(mon, "division by zero");
2512 static int64_t expr_logic(Monitor *mon)
2517 val = expr_prod(mon);
2520 if (op != '&' && op != '|' && op != '^')
2523 val2 = expr_prod(mon);
2540 static int64_t expr_sum(Monitor *mon)
2545 val = expr_logic(mon);
2548 if (op != '+' && op != '-')
2551 val2 = expr_logic(mon);
2560 static int get_expr(Monitor *mon, int64_t *pval, const char **pp)
2563 if (sigsetjmp(expr_env, 0)) {
2567 while (qemu_isspace(*pch))
2569 *pval = expr_sum(mon);
2574 static int get_double(Monitor *mon, double *pval, const char **pp)
2576 const char *p = *pp;
2580 d = strtod(p, &tailp);
2582 monitor_printf(mon, "Number expected\n");
2585 if (d != d || d - d != 0) {
2586 /* NaN or infinity */
2587 monitor_printf(mon, "Bad number\n");
2596 * Store the command-name in cmdname, and return a pointer to
2597 * the remaining of the command string.
2599 static const char *get_command_name(const char *cmdline,
2600 char *cmdname, size_t nlen)
2603 const char *p, *pstart;
2606 while (qemu_isspace(*p))
2611 while (*p != '\0' && *p != '/' && !qemu_isspace(*p))
2616 memcpy(cmdname, pstart, len);
2617 cmdname[len] = '\0';
2622 * Read key of 'type' into 'key' and return the current
2625 static char *key_get_info(const char *type, char **key)
2633 p = strchr(type, ':');
2640 str = g_malloc(len + 1);
2641 memcpy(str, type, len);
2648 static int default_fmt_format = 'x';
2649 static int default_fmt_size = 4;
2651 static int is_valid_option(const char *c, const char *typestr)
2659 typestr = strstr(typestr, option);
2660 return (typestr != NULL);
2663 static const mon_cmd_t *search_dispatch_table(const mon_cmd_t *disp_table,
2664 const char *cmdname)
2666 const mon_cmd_t *cmd;
2668 for (cmd = disp_table; cmd->name != NULL; cmd++) {
2669 if (compare_cmd(cmdname, cmd->name)) {
2678 * Parse command name from @cmdp according to command table @table.
2679 * If blank, return NULL.
2680 * Else, if no valid command can be found, report to @mon, and return
2682 * Else, change @cmdp to point right behind the name, and return its
2683 * command table entry.
2684 * Do not assume the return value points into @table! It doesn't when
2685 * the command is found in a sub-command table.
2687 static const mon_cmd_t *monitor_parse_command(Monitor *mon,
2688 const char *cmdp_start,
2693 const mon_cmd_t *cmd;
2696 /* extract the command name */
2697 p = get_command_name(*cmdp, cmdname, sizeof(cmdname));
2701 cmd = search_dispatch_table(table, cmdname);
2703 monitor_printf(mon, "unknown command: '%.*s'\n",
2704 (int)(p - cmdp_start), cmdp_start);
2708 /* filter out following useless space */
2709 while (qemu_isspace(*p)) {
2714 /* search sub command */
2715 if (cmd->sub_table != NULL && *p != '\0') {
2716 return monitor_parse_command(mon, cmdp_start, cmdp, cmd->sub_table);
2723 * Parse arguments for @cmd.
2724 * If it can't be parsed, report to @mon, and return NULL.
2725 * Else, insert command arguments into a QDict, and return it.
2726 * Note: On success, caller has to free the QDict structure.
2729 static QDict *monitor_parse_arguments(Monitor *mon,
2731 const mon_cmd_t *cmd)
2733 const char *typestr;
2736 const char *p = *endp;
2738 QDict *qdict = qdict_new();
2740 /* parse the parameters */
2741 typestr = cmd->args_type;
2743 typestr = key_get_info(typestr, &key);
2755 while (qemu_isspace(*p))
2757 if (*typestr == '?') {
2760 /* no optional string: NULL argument */
2764 ret = get_str(buf, sizeof(buf), &p);
2768 monitor_printf(mon, "%s: filename expected\n",
2772 monitor_printf(mon, "%s: block device name expected\n",
2776 monitor_printf(mon, "%s: string expected\n", cmd->name);
2781 qdict_put_str(qdict, key, buf);
2786 QemuOptsList *opts_list;
2789 opts_list = qemu_find_opts(key);
2790 if (!opts_list || opts_list->desc->name) {
2793 while (qemu_isspace(*p)) {
2798 if (get_str(buf, sizeof(buf), &p) < 0) {
2801 opts = qemu_opts_parse_noisily(opts_list, buf, true);
2805 qemu_opts_to_qdict(opts, qdict);
2806 qemu_opts_del(opts);
2811 int count, format, size;
2813 while (qemu_isspace(*p))
2819 if (qemu_isdigit(*p)) {
2821 while (qemu_isdigit(*p)) {
2822 count = count * 10 + (*p - '0');
2860 if (*p != '\0' && !qemu_isspace(*p)) {
2861 monitor_printf(mon, "invalid char in format: '%c'\n",
2866 format = default_fmt_format;
2867 if (format != 'i') {
2868 /* for 'i', not specifying a size gives -1 as size */
2870 size = default_fmt_size;
2871 default_fmt_size = size;
2873 default_fmt_format = format;
2876 format = default_fmt_format;
2877 if (format != 'i') {
2878 size = default_fmt_size;
2883 qdict_put_int(qdict, "count", count);
2884 qdict_put_int(qdict, "format", format);
2885 qdict_put_int(qdict, "size", size);
2894 while (qemu_isspace(*p))
2896 if (*typestr == '?' || *typestr == '.') {
2897 if (*typestr == '?') {
2905 while (qemu_isspace(*p))
2914 if (get_expr(mon, &val, &p))
2916 /* Check if 'i' is greater than 32-bit */
2917 if ((c == 'i') && ((val >> 32) & 0xffffffff)) {
2918 monitor_printf(mon, "\'%s\' has failed: ", cmd->name);
2919 monitor_printf(mon, "integer is for 32-bit values\n");
2921 } else if (c == 'M') {
2923 monitor_printf(mon, "enter a positive value\n");
2928 qdict_put_int(qdict, key, val);
2937 while (qemu_isspace(*p)) {
2940 if (*typestr == '?') {
2946 ret = qemu_strtosz_MiB(p, &end, &val);
2947 if (ret < 0 || val > INT64_MAX) {
2948 monitor_printf(mon, "invalid size\n");
2951 qdict_put_int(qdict, key, val);
2959 while (qemu_isspace(*p))
2961 if (*typestr == '?') {
2967 if (get_double(mon, &val, &p) < 0) {
2970 if (p[0] && p[1] == 's') {
2973 val /= 1e3; p += 2; break;
2975 val /= 1e6; p += 2; break;
2977 val /= 1e9; p += 2; break;
2980 if (*p && !qemu_isspace(*p)) {
2981 monitor_printf(mon, "Unknown unit suffix\n");
2984 qdict_put(qdict, key, qnum_from_double(val));
2992 while (qemu_isspace(*p)) {
2996 while (qemu_isgraph(*p)) {
2999 if (p - beg == 2 && !memcmp(beg, "on", p - beg)) {
3001 } else if (p - beg == 3 && !memcmp(beg, "off", p - beg)) {
3004 monitor_printf(mon, "Expected 'on' or 'off'\n");
3007 qdict_put_bool(qdict, key, val);
3012 const char *tmp = p;
3019 while (qemu_isspace(*p))
3024 if(!is_valid_option(p, typestr)) {
3026 monitor_printf(mon, "%s: unsupported option -%c\n",
3038 qdict_put_bool(qdict, key, true);
3045 /* package all remaining string */
3048 while (qemu_isspace(*p)) {
3051 if (*typestr == '?') {
3054 /* no remaining string: NULL argument */
3060 monitor_printf(mon, "%s: string expected\n",
3064 qdict_put_str(qdict, key, p);
3070 monitor_printf(mon, "%s: unknown type '%c'\n", cmd->name, c);
3076 /* check that all arguments were parsed */
3077 while (qemu_isspace(*p))
3080 monitor_printf(mon, "%s: extraneous characters at the end of line\n",
3093 static void handle_hmp_command(Monitor *mon, const char *cmdline)
3096 const mon_cmd_t *cmd;
3098 trace_handle_hmp_command(mon, cmdline);
3100 cmd = monitor_parse_command(mon, cmdline, &cmdline, mon->cmd_table);
3105 qdict = monitor_parse_arguments(mon, &cmdline, cmd);
3107 monitor_printf(mon, "Try \"help %s\" for more information\n",
3112 cmd->cmd(mon, qdict);
3116 static void cmd_completion(Monitor *mon, const char *name, const char *list)
3118 const char *p, *pstart;
3127 p = pstart + strlen(pstart);
3129 if (len > sizeof(cmd) - 2)
3130 len = sizeof(cmd) - 2;
3131 memcpy(cmd, pstart, len);
3133 if (name[0] == '\0' || !strncmp(name, cmd, strlen(name))) {
3134 readline_add_completion(mon->rs, cmd);
3142 static void file_completion(Monitor *mon, const char *input)
3147 char file[1024], file_prefix[1024];
3151 p = strrchr(input, '/');
3154 pstrcpy(file_prefix, sizeof(file_prefix), input);
3155 pstrcpy(path, sizeof(path), ".");
3157 input_path_len = p - input + 1;
3158 memcpy(path, input, input_path_len);
3159 if (input_path_len > sizeof(path) - 1)
3160 input_path_len = sizeof(path) - 1;
3161 path[input_path_len] = '\0';
3162 pstrcpy(file_prefix, sizeof(file_prefix), p + 1);
3165 ffs = opendir(path);
3174 if (strcmp(d->d_name, ".") == 0 || strcmp(d->d_name, "..") == 0) {
3178 if (strstart(d->d_name, file_prefix, NULL)) {
3179 memcpy(file, input, input_path_len);
3180 if (input_path_len < sizeof(file))
3181 pstrcpy(file + input_path_len, sizeof(file) - input_path_len,
3183 /* stat the file to find out if it's a directory.
3184 * In that case add a slash to speed up typing long paths
3186 if (stat(file, &sb) == 0 && S_ISDIR(sb.st_mode)) {
3187 pstrcat(file, sizeof(file), "/");
3189 readline_add_completion(mon->rs, file);
3195 static const char *next_arg_type(const char *typestr)
3197 const char *p = strchr(typestr, ':');
3198 return (p != NULL ? ++p : typestr);
3201 static void add_completion_option(ReadLineState *rs, const char *str,
3204 if (!str || !option) {
3207 if (!strncmp(option, str, strlen(str))) {
3208 readline_add_completion(rs, option);
3212 void chardev_add_completion(ReadLineState *rs, int nb_args, const char *str)
3215 ChardevBackendInfoList *list, *start;
3221 readline_set_completion_index(rs, len);
3223 start = list = qmp_query_chardev_backends(NULL);
3225 const char *chr_name = list->value->name;
3227 if (!strncmp(chr_name, str, len)) {
3228 readline_add_completion(rs, chr_name);
3232 qapi_free_ChardevBackendInfoList(start);
3235 void netdev_add_completion(ReadLineState *rs, int nb_args, const char *str)
3244 readline_set_completion_index(rs, len);
3245 for (i = 0; i < NET_CLIENT_DRIVER__MAX; i++) {
3246 add_completion_option(rs, str, NetClientDriver_str(i));
3250 void device_add_completion(ReadLineState *rs, int nb_args, const char *str)
3260 readline_set_completion_index(rs, len);
3261 list = elt = object_class_get_list(TYPE_DEVICE, false);
3264 DeviceClass *dc = OBJECT_CLASS_CHECK(DeviceClass, elt->data,
3266 name = object_class_get_name(OBJECT_CLASS(dc));
3268 if (dc->user_creatable
3269 && !strncmp(name, str, len)) {
3270 readline_add_completion(rs, name);
3277 void object_add_completion(ReadLineState *rs, int nb_args, const char *str)
3287 readline_set_completion_index(rs, len);
3288 list = elt = object_class_get_list(TYPE_USER_CREATABLE, false);
3292 name = object_class_get_name(OBJECT_CLASS(elt->data));
3293 if (!strncmp(name, str, len) && strcmp(name, TYPE_USER_CREATABLE)) {
3294 readline_add_completion(rs, name);
3301 static void peripheral_device_del_completion(ReadLineState *rs,
3302 const char *str, size_t len)
3304 Object *peripheral = container_get(qdev_get_machine(), "/peripheral");
3305 GSList *list, *item;
3307 list = qdev_build_hotpluggable_device_list(peripheral);
3312 for (item = list; item; item = g_slist_next(item)) {
3313 DeviceState *dev = item->data;
3315 if (dev->id && !strncmp(str, dev->id, len)) {
3316 readline_add_completion(rs, dev->id);
3323 void chardev_remove_completion(ReadLineState *rs, int nb_args, const char *str)
3326 ChardevInfoList *list, *start;
3332 readline_set_completion_index(rs, len);
3334 start = list = qmp_query_chardev(NULL);
3336 ChardevInfo *chr = list->value;
3338 if (!strncmp(chr->label, str, len)) {
3339 readline_add_completion(rs, chr->label);
3343 qapi_free_ChardevInfoList(start);
3346 static void ringbuf_completion(ReadLineState *rs, const char *str)
3349 ChardevInfoList *list, *start;
3352 readline_set_completion_index(rs, len);
3354 start = list = qmp_query_chardev(NULL);
3356 ChardevInfo *chr_info = list->value;
3358 if (!strncmp(chr_info->label, str, len)) {
3359 Chardev *chr = qemu_chr_find(chr_info->label);
3360 if (chr && CHARDEV_IS_RINGBUF(chr)) {
3361 readline_add_completion(rs, chr_info->label);
3366 qapi_free_ChardevInfoList(start);
3369 void ringbuf_write_completion(ReadLineState *rs, int nb_args, const char *str)
3374 ringbuf_completion(rs, str);
3377 void device_del_completion(ReadLineState *rs, int nb_args, const char *str)
3386 readline_set_completion_index(rs, len);
3387 peripheral_device_del_completion(rs, str, len);
3390 void object_del_completion(ReadLineState *rs, int nb_args, const char *str)
3392 ObjectPropertyInfoList *list, *start;
3399 readline_set_completion_index(rs, len);
3401 start = list = qmp_qom_list("/objects", NULL);
3403 ObjectPropertyInfo *info = list->value;
3405 if (!strncmp(info->type, "child<", 5)
3406 && !strncmp(info->name, str, len)) {
3407 readline_add_completion(rs, info->name);
3411 qapi_free_ObjectPropertyInfoList(start);
3414 void sendkey_completion(ReadLineState *rs, int nb_args, const char *str)
3423 sep = strrchr(str, '-');
3428 readline_set_completion_index(rs, len);
3429 for (i = 0; i < Q_KEY_CODE__MAX; i++) {
3430 if (!strncmp(str, QKeyCode_str(i), len)) {
3431 readline_add_completion(rs, QKeyCode_str(i));
3436 void set_link_completion(ReadLineState *rs, int nb_args, const char *str)
3441 readline_set_completion_index(rs, len);
3443 NetClientState *ncs[MAX_QUEUE_NUM];
3445 count = qemu_find_net_clients_except(NULL, ncs,
3446 NET_CLIENT_DRIVER_NONE,
3448 for (i = 0; i < MIN(count, MAX_QUEUE_NUM); i++) {
3449 const char *name = ncs[i]->name;
3450 if (!strncmp(str, name, len)) {
3451 readline_add_completion(rs, name);
3454 } else if (nb_args == 3) {
3455 add_completion_option(rs, str, "on");
3456 add_completion_option(rs, str, "off");
3460 void netdev_del_completion(ReadLineState *rs, int nb_args, const char *str)
3463 NetClientState *ncs[MAX_QUEUE_NUM];
3470 readline_set_completion_index(rs, len);
3471 count = qemu_find_net_clients_except(NULL, ncs, NET_CLIENT_DRIVER_NIC,
3473 for (i = 0; i < MIN(count, MAX_QUEUE_NUM); i++) {
3475 const char *name = ncs[i]->name;
3476 if (strncmp(str, name, len)) {
3479 opts = qemu_opts_find(qemu_find_opts_err("netdev", NULL), name);
3481 readline_add_completion(rs, name);
3486 void info_trace_events_completion(ReadLineState *rs, int nb_args, const char *str)
3491 readline_set_completion_index(rs, len);
3493 TraceEventIter iter;
3495 char *pattern = g_strdup_printf("%s*", str);
3496 trace_event_iter_init(&iter, pattern);
3497 while ((ev = trace_event_iter_next(&iter)) != NULL) {
3498 readline_add_completion(rs, trace_event_get_name(ev));
3504 void trace_event_completion(ReadLineState *rs, int nb_args, const char *str)
3509 readline_set_completion_index(rs, len);
3511 TraceEventIter iter;
3513 char *pattern = g_strdup_printf("%s*", str);
3514 trace_event_iter_init(&iter, pattern);
3515 while ((ev = trace_event_iter_next(&iter)) != NULL) {
3516 readline_add_completion(rs, trace_event_get_name(ev));
3519 } else if (nb_args == 3) {
3520 add_completion_option(rs, str, "on");
3521 add_completion_option(rs, str, "off");
3525 void watchdog_action_completion(ReadLineState *rs, int nb_args, const char *str)
3532 readline_set_completion_index(rs, strlen(str));
3533 for (i = 0; i < WATCHDOG_ACTION__MAX; i++) {
3534 add_completion_option(rs, str, WatchdogAction_str(i));
3538 void migrate_set_capability_completion(ReadLineState *rs, int nb_args,
3544 readline_set_completion_index(rs, len);
3547 for (i = 0; i < MIGRATION_CAPABILITY__MAX; i++) {
3548 const char *name = MigrationCapability_str(i);
3549 if (!strncmp(str, name, len)) {
3550 readline_add_completion(rs, name);
3553 } else if (nb_args == 3) {
3554 add_completion_option(rs, str, "on");
3555 add_completion_option(rs, str, "off");
3559 void migrate_set_parameter_completion(ReadLineState *rs, int nb_args,
3565 readline_set_completion_index(rs, len);
3568 for (i = 0; i < MIGRATION_PARAMETER__MAX; i++) {
3569 const char *name = MigrationParameter_str(i);
3570 if (!strncmp(str, name, len)) {
3571 readline_add_completion(rs, name);
3577 void host_net_add_completion(ReadLineState *rs, int nb_args, const char *str)
3585 readline_set_completion_index(rs, len);
3586 for (i = 0; host_net_devices[i]; i++) {
3587 if (!strncmp(host_net_devices[i], str, len)) {
3588 readline_add_completion(rs, host_net_devices[i]);
3593 void host_net_remove_completion(ReadLineState *rs, int nb_args, const char *str)
3595 NetClientState *ncs[MAX_QUEUE_NUM];
3599 readline_set_completion_index(rs, len);
3601 count = qemu_find_net_clients_except(NULL, ncs,
3602 NET_CLIENT_DRIVER_NONE,
3604 for (i = 0; i < MIN(count, MAX_QUEUE_NUM); i++) {
3608 if (net_hub_id_for_client(ncs[i], &id)) {
3611 snprintf(name, sizeof(name), "%d", id);
3612 if (!strncmp(str, name, len)) {
3613 readline_add_completion(rs, name);
3617 } else if (nb_args == 3) {
3618 count = qemu_find_net_clients_except(NULL, ncs,
3619 NET_CLIENT_DRIVER_NIC,
3621 for (i = 0; i < MIN(count, MAX_QUEUE_NUM); i++) {
3625 if (ncs[i]->info->type == NET_CLIENT_DRIVER_HUBPORT ||
3626 net_hub_id_for_client(ncs[i], &id)) {
3629 name = ncs[i]->name;
3630 if (!strncmp(str, name, len)) {
3631 readline_add_completion(rs, name);
3638 static void vm_completion(ReadLineState *rs, const char *str)
3641 BlockDriverState *bs;
3642 BdrvNextIterator it;
3645 readline_set_completion_index(rs, len);
3647 for (bs = bdrv_first(&it); bs; bs = bdrv_next(&it)) {
3648 SnapshotInfoList *snapshots, *snapshot;
3649 AioContext *ctx = bdrv_get_aio_context(bs);
3652 aio_context_acquire(ctx);
3653 if (bdrv_can_snapshot(bs)) {
3654 ok = bdrv_query_snapshot_info_list(bs, &snapshots, NULL) == 0;
3656 aio_context_release(ctx);
3661 snapshot = snapshots;
3663 char *completion = snapshot->value->name;
3664 if (!strncmp(str, completion, len)) {
3665 readline_add_completion(rs, completion);
3667 completion = snapshot->value->id;
3668 if (!strncmp(str, completion, len)) {
3669 readline_add_completion(rs, completion);
3671 snapshot = snapshot->next;
3673 qapi_free_SnapshotInfoList(snapshots);
3678 void delvm_completion(ReadLineState *rs, int nb_args, const char *str)
3681 vm_completion(rs, str);
3685 void loadvm_completion(ReadLineState *rs, int nb_args, const char *str)
3688 vm_completion(rs, str);
3692 static void monitor_find_completion_by_table(Monitor *mon,
3693 const mon_cmd_t *cmd_table,
3697 const char *cmdname;
3699 const char *ptype, *str, *name;
3700 const mon_cmd_t *cmd;
3701 BlockBackend *blk = NULL;
3704 /* command completion */
3709 readline_set_completion_index(mon->rs, strlen(cmdname));
3710 for (cmd = cmd_table; cmd->name != NULL; cmd++) {
3711 cmd_completion(mon, cmdname, cmd->name);
3714 /* find the command */
3715 for (cmd = cmd_table; cmd->name != NULL; cmd++) {
3716 if (compare_cmd(args[0], cmd->name)) {
3724 if (cmd->sub_table) {
3725 /* do the job again */
3726 monitor_find_completion_by_table(mon, cmd->sub_table,
3727 &args[1], nb_args - 1);
3730 if (cmd->command_completion) {
3731 cmd->command_completion(mon->rs, nb_args, args[nb_args - 1]);
3735 ptype = next_arg_type(cmd->args_type);
3736 for(i = 0; i < nb_args - 2; i++) {
3737 if (*ptype != '\0') {
3738 ptype = next_arg_type(ptype);
3739 while (*ptype == '?')
3740 ptype = next_arg_type(ptype);
3743 str = args[nb_args - 1];
3744 while (*ptype == '-' && ptype[1] != '\0') {
3745 ptype = next_arg_type(ptype);
3749 /* file completion */
3750 readline_set_completion_index(mon->rs, strlen(str));
3751 file_completion(mon, str);
3754 /* block device name completion */
3755 readline_set_completion_index(mon->rs, strlen(str));
3756 while ((blk = blk_next(blk)) != NULL) {
3757 name = blk_name(blk);
3758 if (str[0] == '\0' ||
3759 !strncmp(name, str, strlen(str))) {
3760 readline_add_completion(mon->rs, name);
3766 if (!strcmp(cmd->name, "help|?")) {
3767 monitor_find_completion_by_table(mon, cmd_table,
3768 &args[1], nb_args - 1);
3777 static void monitor_find_completion(void *opaque,
3778 const char *cmdline)
3780 Monitor *mon = opaque;
3781 char *args[MAX_ARGS];
3784 /* 1. parse the cmdline */
3785 if (parse_cmdline(cmdline, &nb_args, args) < 0) {
3789 /* if the line ends with a space, it means we want to complete the
3791 len = strlen(cmdline);
3792 if (len > 0 && qemu_isspace(cmdline[len - 1])) {
3793 if (nb_args >= MAX_ARGS) {
3796 args[nb_args++] = g_strdup("");
3799 /* 2. auto complete according to args */
3800 monitor_find_completion_by_table(mon, mon->cmd_table, args, nb_args);
3803 free_cmdline_args(args, nb_args);
3806 static int monitor_can_read(void *opaque)
3808 Monitor *mon = opaque;
3810 return (mon->suspend_cnt == 0) ? 1 : 0;
3813 static void handle_qmp_command(JSONMessageParser *parser, GQueue *tokens)
3815 QObject *req, *rsp = NULL, *id = NULL;
3816 QDict *qdict = NULL;
3817 Monitor *mon = cur_mon;
3820 req = json_parser_parse_err(tokens, NULL, &err);
3822 /* json_parser_parse_err() sucks: can fail without setting @err */
3823 error_setg(&err, QERR_JSON_PARSING);
3829 qdict = qobject_to_qdict(req);
3831 id = qdict_get(qdict, "id");
3833 qdict_del(qdict, "id");
3834 } /* else will fail qmp_dispatch() */
3836 if (trace_event_get_state_backends(TRACE_HANDLE_QMP_COMMAND)) {
3837 QString *req_json = qobject_to_json(req);
3838 trace_handle_qmp_command(mon, qstring_get_str(req_json));
3842 rsp = qmp_dispatch(cur_mon->qmp.commands, req);
3844 if (mon->qmp.commands == &qmp_cap_negotiation_commands) {
3845 qdict = qdict_get_qdict(qobject_to_qdict(rsp), "error");
3847 && !g_strcmp0(qdict_get_try_str(qdict, "class"),
3848 QapiErrorClass_str(ERROR_CLASS_COMMAND_NOT_FOUND))) {
3849 /* Provide a more useful error message */
3850 qdict_del(qdict, "desc");
3851 qdict_put_str(qdict, "desc", "Expecting capabilities negotiation"
3852 " with 'qmp_capabilities'");
3858 qdict = qdict_new();
3859 qdict_put_obj(qdict, "error", qmp_build_error_object(err));
3861 rsp = QOBJECT(qdict);
3866 qdict_put_obj(qobject_to_qdict(rsp), "id", id);
3870 monitor_json_emitter(mon, rsp);
3874 qobject_decref(rsp);
3875 qobject_decref(req);
3878 static void monitor_qmp_read(void *opaque, const uint8_t *buf, int size)
3880 Monitor *old_mon = cur_mon;
3884 json_message_parser_feed(&cur_mon->qmp.parser, (const char *) buf, size);
3889 static void monitor_read(void *opaque, const uint8_t *buf, int size)
3891 Monitor *old_mon = cur_mon;
3897 for (i = 0; i < size; i++)
3898 readline_handle_byte(cur_mon->rs, buf[i]);
3900 if (size == 0 || buf[size - 1] != 0)
3901 monitor_printf(cur_mon, "corrupted command\n");
3903 handle_hmp_command(cur_mon, (char *)buf);
3909 static void monitor_command_cb(void *opaque, const char *cmdline,
3910 void *readline_opaque)
3912 Monitor *mon = opaque;
3914 monitor_suspend(mon);
3915 handle_hmp_command(mon, cmdline);
3916 monitor_resume(mon);
3919 int monitor_suspend(Monitor *mon)
3927 void monitor_resume(Monitor *mon)
3931 if (--mon->suspend_cnt == 0)
3932 readline_show_prompt(mon->rs);
3935 static QObject *get_qmp_greeting(void)
3937 QObject *ver = NULL;
3939 qmp_marshal_query_version(NULL, &ver, NULL);
3941 return qobject_from_jsonf("{'QMP': {'version': %p, 'capabilities': []}}",
3945 static void monitor_qmp_event(void *opaque, int event)
3948 Monitor *mon = opaque;
3951 case CHR_EVENT_OPENED:
3952 mon->qmp.commands = &qmp_cap_negotiation_commands;
3953 data = get_qmp_greeting();
3954 monitor_json_emitter(mon, data);
3955 qobject_decref(data);
3958 case CHR_EVENT_CLOSED:
3959 json_message_parser_destroy(&mon->qmp.parser);
3960 json_message_parser_init(&mon->qmp.parser, handle_qmp_command);
3962 monitor_fdsets_cleanup();
3967 static void monitor_event(void *opaque, int event)
3969 Monitor *mon = opaque;
3972 case CHR_EVENT_MUX_IN:
3973 qemu_mutex_lock(&mon->out_lock);
3975 qemu_mutex_unlock(&mon->out_lock);
3976 if (mon->reset_seen) {
3977 readline_restart(mon->rs);
3978 monitor_resume(mon);
3981 mon->suspend_cnt = 0;
3985 case CHR_EVENT_MUX_OUT:
3986 if (mon->reset_seen) {
3987 if (mon->suspend_cnt == 0) {
3988 monitor_printf(mon, "\n");
3991 monitor_suspend(mon);
3995 qemu_mutex_lock(&mon->out_lock);
3997 qemu_mutex_unlock(&mon->out_lock);
4000 case CHR_EVENT_OPENED:
4001 monitor_printf(mon, "QEMU %s monitor - type 'help' for more "
4002 "information\n", QEMU_VERSION);
4003 if (!mon->mux_out) {
4004 readline_restart(mon->rs);
4005 readline_show_prompt(mon->rs);
4007 mon->reset_seen = 1;
4011 case CHR_EVENT_CLOSED:
4013 monitor_fdsets_cleanup();
4019 compare_mon_cmd(const void *a, const void *b)
4021 return strcmp(((const mon_cmd_t *)a)->name,
4022 ((const mon_cmd_t *)b)->name);
4025 static void sortcmdlist(void)
4028 int elem_size = sizeof(mon_cmd_t);
4030 array_num = sizeof(mon_cmds)/elem_size-1;
4031 qsort((void *)mon_cmds, array_num, elem_size, compare_mon_cmd);
4033 array_num = sizeof(info_cmds)/elem_size-1;
4034 qsort((void *)info_cmds, array_num, elem_size, compare_mon_cmd);
4037 /* These functions just adapt the readline interface in a typesafe way. We
4038 * could cast function pointers but that discards compiler checks.
4040 static void GCC_FMT_ATTR(2, 3) monitor_readline_printf(void *opaque,
4041 const char *fmt, ...)
4045 monitor_vprintf(opaque, fmt, ap);
4049 static void monitor_readline_flush(void *opaque)
4051 monitor_flush(opaque);
4055 * Print to current monitor if we have one, else to stderr.
4056 * TODO should return int, so callers can calculate width, but that
4057 * requires surgery to monitor_vprintf(). Left for another day.
4059 void error_vprintf(const char *fmt, va_list ap)
4061 if (cur_mon && !monitor_cur_is_qmp()) {
4062 monitor_vprintf(cur_mon, fmt, ap);
4064 vfprintf(stderr, fmt, ap);
4068 void error_vprintf_unless_qmp(const char *fmt, va_list ap)
4070 if (cur_mon && !monitor_cur_is_qmp()) {
4071 monitor_vprintf(cur_mon, fmt, ap);
4072 } else if (!cur_mon) {
4073 vfprintf(stderr, fmt, ap);
4077 static void __attribute__((constructor)) monitor_lock_init(void)
4079 qemu_mutex_init(&monitor_lock);
4082 void monitor_init(Chardev *chr, int flags)
4084 static int is_first_init = 1;
4087 if (is_first_init) {
4088 monitor_qapi_event_init();
4093 mon = g_malloc(sizeof(*mon));
4094 monitor_data_init(mon);
4096 qemu_chr_fe_init(&mon->chr, chr, &error_abort);
4098 if (flags & MONITOR_USE_READLINE) {
4099 mon->rs = readline_init(monitor_readline_printf,
4100 monitor_readline_flush,
4102 monitor_find_completion);
4103 monitor_read_command(mon, 0);
4106 if (monitor_is_qmp(mon)) {
4107 qemu_chr_fe_set_handlers(&mon->chr, monitor_can_read, monitor_qmp_read,
4108 monitor_qmp_event, NULL, mon, NULL, true);
4109 qemu_chr_fe_set_echo(&mon->chr, true);
4110 json_message_parser_init(&mon->qmp.parser, handle_qmp_command);
4112 qemu_chr_fe_set_handlers(&mon->chr, monitor_can_read, monitor_read,
4113 monitor_event, NULL, mon, NULL, true);
4116 qemu_mutex_lock(&monitor_lock);
4117 QLIST_INSERT_HEAD(&mon_list, mon, entry);
4118 qemu_mutex_unlock(&monitor_lock);
4121 void monitor_cleanup(void)
4123 Monitor *mon, *next;
4125 qemu_mutex_lock(&monitor_lock);
4126 QLIST_FOREACH_SAFE(mon, &mon_list, entry, next) {
4127 QLIST_REMOVE(mon, entry);
4128 monitor_data_destroy(mon);
4131 qemu_mutex_unlock(&monitor_lock);
4134 QemuOptsList qemu_mon_opts = {
4136 .implied_opt_name = "chardev",
4137 .head = QTAILQ_HEAD_INITIALIZER(qemu_mon_opts.head),
4141 .type = QEMU_OPT_STRING,
4144 .type = QEMU_OPT_STRING,
4146 .name = "default", /* deprecated */
4147 .type = QEMU_OPT_BOOL,
4150 .type = QEMU_OPT_BOOL,
4152 { /* end of list */ }
4157 void qmp_rtc_reset_reinjection(Error **errp)
4159 error_setg(errp, QERR_FEATURE_DISABLED, "rtc-reset-reinjection");
4163 #ifndef TARGET_S390X
4164 void qmp_dump_skeys(const char *filename, Error **errp)
4166 error_setg(errp, QERR_FEATURE_DISABLED, "dump-skeys");
4171 GICCapabilityList *qmp_query_gic_capabilities(Error **errp)
4173 error_setg(errp, QERR_FEATURE_DISABLED, "query-gic-capabilities");
4178 HotpluggableCPUList *qmp_query_hotpluggable_cpus(Error **errp)
4180 MachineState *ms = MACHINE(qdev_get_machine());
4181 MachineClass *mc = MACHINE_GET_CLASS(ms);
4183 if (!mc->has_hotpluggable_cpus) {
4184 error_setg(errp, QERR_FEATURE_DISABLED, "query-hotpluggable-cpus");
4188 return machine_query_hotpluggable_cpus(ms);