4 * Copyright (c) 2003-2004 Fabrice Bellard
6 * Permission is hereby granted, free of charge, to any person obtaining a copy
7 * of this software and associated documentation files (the "Software"), to deal
8 * in the Software without restriction, including without limitation the rights
9 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
10 * copies of the Software, and to permit persons to whom the Software is
11 * furnished to do so, subject to the following conditions:
13 * The above copyright notice and this permission notice shall be included in
14 * all copies or substantial portions of the Software.
16 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
17 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
18 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
19 * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
20 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
21 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
24 #include "qemu/osdep.h"
26 #include "qemu-common.h"
29 #include "monitor/qdev.h"
31 #include "hw/i386/pc.h"
32 #include "hw/pci/pci.h"
33 #include "sysemu/watchdog.h"
34 #include "hw/loader.h"
35 #include "exec/gdbstub.h"
37 #include "net/slirp.h"
38 #include "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/types.h"
57 #include "qapi/qmp/qjson.h"
58 #include "qapi/qmp/json-streamer.h"
59 #include "qapi/qmp/json-parser.h"
60 #include "qom/object_interfaces.h"
61 #include "trace-root.h"
62 #include "trace/control.h"
63 #include "monitor/hmp-target.h"
64 #ifdef CONFIG_TRACE_SIMPLE
65 #include "trace/simple.h"
67 #include "exec/memory.h"
68 #include "exec/exec-all.h"
70 #include "qmp-commands.h"
72 #include "qemu/thread.h"
73 #include "block/qapi.h"
74 #include "qapi/qmp-event.h"
75 #include "qapi-event.h"
76 #include "qmp-introspect.h"
77 #include "sysemu/qtest.h"
78 #include "sysemu/cpus.h"
79 #include "qemu/cutils.h"
80 #include "qapi/qmp/dispatch.h"
82 #if defined(TARGET_S390X)
83 #include "hw/s390x/storage-keys.h"
84 #include "hw/s390x/storage-attributes.h"
91 * 'B' block device name
92 * 's' string (accept optional quote)
93 * 'S' it just appends the rest of the string (accept optional quote)
94 * 'O' option string of the form NAME=VALUE,...
95 * parsed according to QemuOptsList given by its name
96 * Example: 'device:O' uses qemu_device_opts.
97 * Restriction: only lists with empty desc are supported
98 * TODO lift the restriction
100 * 'l' target long (32 or 64 bit)
101 * 'M' Non-negative target long (32 or 64 bit), in user mode the
102 * value is multiplied by 2^20 (think Mebibyte)
103 * 'o' octets (aka bytes)
104 * user mode accepts an optional E, e, P, p, T, t, G, g, M, m,
105 * K, k suffix, which multiplies the value by 2^60 for suffixes E
106 * and e, 2^50 for suffixes P and p, 2^40 for suffixes T and t,
107 * 2^30 for suffixes G and g, 2^20 for M and m, 2^10 for K and k
109 * user mode accepts an optional ms, us, ns suffix,
110 * which divides the value by 1e3, 1e6, 1e9, respectively
111 * '/' optional gdb-like print format (like "/10x")
113 * '?' optional type (for all types, except '/')
114 * '.' other form of optional type (for 'i' and 'l')
116 * user mode accepts "on" or "off"
117 * '-' optional parameter (eg. '-f')
121 typedef struct mon_cmd_t {
123 const char *args_type;
126 void (*cmd)(Monitor *mon, const QDict *qdict);
127 /* @sub_table is a list of 2nd level of commands. If it does not exist,
128 * cmd should be used. If it exists, sub_table[?].cmd should be
129 * used, and cmd of 1st level plays the role of help function.
131 struct mon_cmd_t *sub_table;
132 void (*command_completion)(ReadLineState *rs, int nb_args, const char *str);
135 /* file descriptors passed via SCM_RIGHTS */
136 typedef struct mon_fd_t mon_fd_t;
140 QLIST_ENTRY(mon_fd_t) next;
143 /* file descriptor associated with a file descriptor set */
144 typedef struct MonFdsetFd MonFdsetFd;
149 QLIST_ENTRY(MonFdsetFd) next;
152 /* file descriptor set containing fds passed via SCM_RIGHTS */
153 typedef struct MonFdset MonFdset;
156 QLIST_HEAD(, MonFdsetFd) fds;
157 QLIST_HEAD(, MonFdsetFd) dup_fds;
158 QLIST_ENTRY(MonFdset) next;
162 JSONMessageParser parser;
164 * When a client connects, we're in capabilities negotiation mode.
165 * When command qmp_capabilities succeeds, we go into command
168 QmpCommandList *commands;
172 * To prevent flooding clients, events can be throttled. The
173 * throttling is calculated globally, rather than per-Monitor
176 typedef struct MonitorQAPIEventState {
177 QAPIEvent event; /* Throttling state for this event type and... */
178 QDict *data; /* ... data, see qapi_event_throttle_equal() */
179 QEMUTimer *timer; /* Timer for handling delayed events */
180 QDict *qdict; /* Delayed event (if any) */
181 } MonitorQAPIEventState;
184 int64_t rate; /* Minimum time (in ns) between two events */
185 } MonitorQAPIEventConf;
198 /* Read under either BQL or out_lock, written with BQL+out_lock. */
204 BlockCompletionFunc *password_completion_cb;
205 void *password_opaque;
206 mon_cmd_t *cmd_table;
207 QLIST_HEAD(,mon_fd_t) fds;
208 QLIST_ENTRY(Monitor) entry;
211 /* QMP checker flags */
212 #define QMP_ACCEPT_UNKNOWNS 1
214 /* Protects mon_list, monitor_event_state. */
215 static QemuMutex monitor_lock;
217 static QLIST_HEAD(mon_list, Monitor) mon_list;
218 static QLIST_HEAD(mon_fdsets, MonFdset) mon_fdsets;
219 static int mon_refcount;
221 static mon_cmd_t mon_cmds[];
222 static mon_cmd_t info_cmds[];
224 QmpCommandList qmp_commands, qmp_cap_negotiation_commands;
228 static QEMUClockType event_clock_type = QEMU_CLOCK_REALTIME;
230 static void monitor_command_cb(void *opaque, const char *cmdline,
231 void *readline_opaque);
234 * Is @mon a QMP monitor?
236 static inline bool monitor_is_qmp(const Monitor *mon)
238 return (mon->flags & MONITOR_USE_CONTROL);
242 * Is the current monitor, if any, a QMP monitor?
244 bool monitor_cur_is_qmp(void)
246 return cur_mon && monitor_is_qmp(cur_mon);
249 void monitor_read_command(Monitor *mon, int show_prompt)
254 readline_start(mon->rs, "(qemu) ", 0, monitor_command_cb, NULL);
256 readline_show_prompt(mon->rs);
259 int monitor_read_password(Monitor *mon, ReadLineFunc *readline_func,
263 readline_start(mon->rs, "Password: ", 1, readline_func, opaque);
264 /* prompt is printed on return from the command handler */
267 monitor_printf(mon, "terminal does not support password prompting\n");
272 static void monitor_flush_locked(Monitor *mon);
274 static gboolean monitor_unblocked(GIOChannel *chan, GIOCondition cond,
277 Monitor *mon = opaque;
279 qemu_mutex_lock(&mon->out_lock);
281 monitor_flush_locked(mon);
282 qemu_mutex_unlock(&mon->out_lock);
286 /* Called with mon->out_lock held. */
287 static void monitor_flush_locked(Monitor *mon)
293 if (mon->skip_flush) {
297 buf = qstring_get_str(mon->outbuf);
298 len = qstring_get_length(mon->outbuf);
300 if (len && !mon->mux_out) {
301 rc = qemu_chr_fe_write(&mon->chr, (const uint8_t *) buf, len);
302 if ((rc < 0 && errno != EAGAIN) || (rc == len)) {
303 /* all flushed or error */
304 QDECREF(mon->outbuf);
305 mon->outbuf = qstring_new();
310 QString *tmp = qstring_from_str(buf + rc);
311 QDECREF(mon->outbuf);
314 if (mon->out_watch == 0) {
316 qemu_chr_fe_add_watch(&mon->chr, G_IO_OUT | G_IO_HUP,
317 monitor_unblocked, mon);
322 void monitor_flush(Monitor *mon)
324 qemu_mutex_lock(&mon->out_lock);
325 monitor_flush_locked(mon);
326 qemu_mutex_unlock(&mon->out_lock);
329 /* flush at every end of line */
330 static void monitor_puts(Monitor *mon, const char *str)
334 qemu_mutex_lock(&mon->out_lock);
340 qstring_append_chr(mon->outbuf, '\r');
342 qstring_append_chr(mon->outbuf, c);
344 monitor_flush_locked(mon);
347 qemu_mutex_unlock(&mon->out_lock);
350 void monitor_vprintf(Monitor *mon, const char *fmt, va_list ap)
357 if (monitor_is_qmp(mon)) {
361 buf = g_strdup_vprintf(fmt, ap);
362 monitor_puts(mon, buf);
366 void monitor_printf(Monitor *mon, const char *fmt, ...)
370 monitor_vprintf(mon, fmt, ap);
374 int monitor_fprintf(FILE *stream, const char *fmt, ...)
378 monitor_vprintf((Monitor *)stream, fmt, ap);
383 static void monitor_json_emitter(Monitor *mon, const QObject *data)
387 json = mon->flags & MONITOR_USE_PRETTY ? qobject_to_json_pretty(data) :
388 qobject_to_json(data);
389 assert(json != NULL);
391 qstring_append_chr(json, '\n');
392 monitor_puts(mon, qstring_get_str(json));
397 static MonitorQAPIEventConf monitor_qapi_event_conf[QAPI_EVENT__MAX] = {
398 /* Limit guest-triggerable events to 1 per second */
399 [QAPI_EVENT_RTC_CHANGE] = { 1000 * SCALE_MS },
400 [QAPI_EVENT_WATCHDOG] = { 1000 * SCALE_MS },
401 [QAPI_EVENT_BALLOON_CHANGE] = { 1000 * SCALE_MS },
402 [QAPI_EVENT_QUORUM_REPORT_BAD] = { 1000 * SCALE_MS },
403 [QAPI_EVENT_QUORUM_FAILURE] = { 1000 * SCALE_MS },
404 [QAPI_EVENT_VSERPORT_CHANGE] = { 1000 * SCALE_MS },
407 GHashTable *monitor_qapi_event_state;
410 * Emits the event to every monitor instance, @event is only used for trace
411 * Called with monitor_lock held.
413 static void monitor_qapi_event_emit(QAPIEvent event, QDict *qdict)
417 trace_monitor_protocol_event_emit(event, qdict);
418 QLIST_FOREACH(mon, &mon_list, entry) {
419 if (monitor_is_qmp(mon)
420 && mon->qmp.commands != &qmp_cap_negotiation_commands) {
421 monitor_json_emitter(mon, QOBJECT(qdict));
426 static void monitor_qapi_event_handler(void *opaque);
429 * Queue a new event for emission to Monitor instances,
430 * applying any rate limiting if required.
433 monitor_qapi_event_queue(QAPIEvent event, QDict *qdict, Error **errp)
435 MonitorQAPIEventConf *evconf;
436 MonitorQAPIEventState *evstate;
438 assert(event < QAPI_EVENT__MAX);
439 evconf = &monitor_qapi_event_conf[event];
440 trace_monitor_protocol_event_queue(event, qdict, evconf->rate);
442 qemu_mutex_lock(&monitor_lock);
445 /* Unthrottled event */
446 monitor_qapi_event_emit(event, qdict);
448 QDict *data = qobject_to_qdict(qdict_get(qdict, "data"));
449 MonitorQAPIEventState key = { .event = event, .data = data };
451 evstate = g_hash_table_lookup(monitor_qapi_event_state, &key);
452 assert(!evstate || timer_pending(evstate->timer));
456 * Timer is pending for (at least) evconf->rate ns after
457 * last send. Store event for sending when timer fires,
458 * replacing a prior stored event if any.
460 QDECREF(evstate->qdict);
461 evstate->qdict = qdict;
462 QINCREF(evstate->qdict);
465 * Last send was (at least) evconf->rate ns ago.
466 * Send immediately, and arm the timer to call
467 * monitor_qapi_event_handler() in evconf->rate ns. Any
468 * events arriving before then will be delayed until then.
470 int64_t now = qemu_clock_get_ns(event_clock_type);
472 monitor_qapi_event_emit(event, qdict);
474 evstate = g_new(MonitorQAPIEventState, 1);
475 evstate->event = event;
476 evstate->data = data;
477 QINCREF(evstate->data);
478 evstate->qdict = NULL;
479 evstate->timer = timer_new_ns(event_clock_type,
480 monitor_qapi_event_handler,
482 g_hash_table_add(monitor_qapi_event_state, evstate);
483 timer_mod_ns(evstate->timer, now + evconf->rate);
487 qemu_mutex_unlock(&monitor_lock);
491 * This function runs evconf->rate ns after sending a throttled
493 * If another event has since been stored, send it.
495 static void monitor_qapi_event_handler(void *opaque)
497 MonitorQAPIEventState *evstate = opaque;
498 MonitorQAPIEventConf *evconf = &monitor_qapi_event_conf[evstate->event];
500 trace_monitor_protocol_event_handler(evstate->event, evstate->qdict);
501 qemu_mutex_lock(&monitor_lock);
503 if (evstate->qdict) {
504 int64_t now = qemu_clock_get_ns(event_clock_type);
506 monitor_qapi_event_emit(evstate->event, evstate->qdict);
507 QDECREF(evstate->qdict);
508 evstate->qdict = NULL;
509 timer_mod_ns(evstate->timer, now + evconf->rate);
511 g_hash_table_remove(monitor_qapi_event_state, evstate);
512 QDECREF(evstate->data);
513 timer_free(evstate->timer);
517 qemu_mutex_unlock(&monitor_lock);
520 static unsigned int qapi_event_throttle_hash(const void *key)
522 const MonitorQAPIEventState *evstate = key;
523 unsigned int hash = evstate->event * 255;
525 if (evstate->event == QAPI_EVENT_VSERPORT_CHANGE) {
526 hash += g_str_hash(qdict_get_str(evstate->data, "id"));
529 if (evstate->event == QAPI_EVENT_QUORUM_REPORT_BAD) {
530 hash += g_str_hash(qdict_get_str(evstate->data, "node-name"));
536 static gboolean qapi_event_throttle_equal(const void *a, const void *b)
538 const MonitorQAPIEventState *eva = a;
539 const MonitorQAPIEventState *evb = b;
541 if (eva->event != evb->event) {
545 if (eva->event == QAPI_EVENT_VSERPORT_CHANGE) {
546 return !strcmp(qdict_get_str(eva->data, "id"),
547 qdict_get_str(evb->data, "id"));
550 if (eva->event == QAPI_EVENT_QUORUM_REPORT_BAD) {
551 return !strcmp(qdict_get_str(eva->data, "node-name"),
552 qdict_get_str(evb->data, "node-name"));
558 static void monitor_qapi_event_init(void)
560 if (qtest_enabled()) {
561 event_clock_type = QEMU_CLOCK_VIRTUAL;
564 monitor_qapi_event_state = g_hash_table_new(qapi_event_throttle_hash,
565 qapi_event_throttle_equal);
566 qmp_event_set_func_emit(monitor_qapi_event_queue);
569 static void handle_hmp_command(Monitor *mon, const char *cmdline);
571 static void monitor_data_init(Monitor *mon)
573 memset(mon, 0, sizeof(Monitor));
574 qemu_mutex_init(&mon->out_lock);
575 mon->outbuf = qstring_new();
576 /* Use *mon_cmds by default. */
577 mon->cmd_table = mon_cmds;
580 static void monitor_data_destroy(Monitor *mon)
582 qemu_chr_fe_deinit(&mon->chr, false);
583 if (monitor_is_qmp(mon)) {
584 json_message_parser_destroy(&mon->qmp.parser);
587 QDECREF(mon->outbuf);
588 qemu_mutex_destroy(&mon->out_lock);
591 char *qmp_human_monitor_command(const char *command_line, bool has_cpu_index,
592 int64_t cpu_index, Error **errp)
595 Monitor *old_mon, hmp;
597 monitor_data_init(&hmp);
598 hmp.skip_flush = true;
604 int ret = monitor_set_cpu(cpu_index);
607 error_setg(errp, QERR_INVALID_PARAMETER_VALUE, "cpu-index",
613 handle_hmp_command(&hmp, command_line);
616 qemu_mutex_lock(&hmp.out_lock);
617 if (qstring_get_length(hmp.outbuf) > 0) {
618 output = g_strdup(qstring_get_str(hmp.outbuf));
620 output = g_strdup("");
622 qemu_mutex_unlock(&hmp.out_lock);
625 monitor_data_destroy(&hmp);
629 static int compare_cmd(const char *name, const char *list)
631 const char *p, *pstart;
639 p = pstart + strlen(pstart);
640 if ((p - pstart) == len && !memcmp(pstart, name, len))
649 static int get_str(char *buf, int buf_size, const char **pp)
657 while (qemu_isspace(*p)) {
668 while (*p != '\0' && *p != '\"') {
684 printf("unsupported escape code: '\\%c'\n", c);
687 if ((q - buf) < buf_size - 1) {
691 if ((q - buf) < buf_size - 1) {
698 printf("unterminated string\n");
703 while (*p != '\0' && !qemu_isspace(*p)) {
704 if ((q - buf) < buf_size - 1) {
717 static void free_cmdline_args(char **args, int nb_args)
721 assert(nb_args <= MAX_ARGS);
723 for (i = 0; i < nb_args; i++) {
730 * Parse the command line to get valid args.
731 * @cmdline: command line to be parsed.
732 * @pnb_args: location to store the number of args, must NOT be NULL.
733 * @args: location to store the args, which should be freed by caller, must
736 * Returns 0 on success, negative on failure.
738 * NOTE: this parser is an approximate form of the real command parser. Number
739 * of args have a limit of MAX_ARGS. If cmdline contains more, it will
740 * return with failure.
742 static int parse_cmdline(const char *cmdline,
743 int *pnb_args, char **args)
752 while (qemu_isspace(*p)) {
758 if (nb_args >= MAX_ARGS) {
761 ret = get_str(buf, sizeof(buf), &p);
765 args[nb_args] = g_strdup(buf);
772 free_cmdline_args(args, nb_args);
776 static void help_cmd_dump_one(Monitor *mon,
777 const mon_cmd_t *cmd,
783 for (i = 0; i < prefix_args_nb; i++) {
784 monitor_printf(mon, "%s ", prefix_args[i]);
786 monitor_printf(mon, "%s %s -- %s\n", cmd->name, cmd->params, cmd->help);
789 /* @args[@arg_index] is the valid command need to find in @cmds */
790 static void help_cmd_dump(Monitor *mon, const mon_cmd_t *cmds,
791 char **args, int nb_args, int arg_index)
793 const mon_cmd_t *cmd;
795 /* No valid arg need to compare with, dump all in *cmds */
796 if (arg_index >= nb_args) {
797 for (cmd = cmds; cmd->name != NULL; cmd++) {
798 help_cmd_dump_one(mon, cmd, args, arg_index);
803 /* Find one entry to dump */
804 for (cmd = cmds; cmd->name != NULL; cmd++) {
805 if (compare_cmd(args[arg_index], cmd->name)) {
806 if (cmd->sub_table) {
807 /* continue with next arg */
808 help_cmd_dump(mon, cmd->sub_table,
809 args, nb_args, arg_index + 1);
811 help_cmd_dump_one(mon, cmd, args, arg_index);
818 static void help_cmd(Monitor *mon, const char *name)
820 char *args[MAX_ARGS];
823 /* 1. parse user input */
825 /* special case for log, directly dump and return */
826 if (!strcmp(name, "log")) {
827 const QEMULogItem *item;
828 monitor_printf(mon, "Log items (comma separated):\n");
829 monitor_printf(mon, "%-10s %s\n", "none", "remove all logs");
830 for (item = qemu_log_items; item->mask != 0; item++) {
831 monitor_printf(mon, "%-10s %s\n", item->name, item->help);
836 if (parse_cmdline(name, &nb_args, args) < 0) {
841 /* 2. dump the contents according to parsed args */
842 help_cmd_dump(mon, mon->cmd_table, args, nb_args, 0);
844 free_cmdline_args(args, nb_args);
847 static void do_help_cmd(Monitor *mon, const QDict *qdict)
849 help_cmd(mon, qdict_get_try_str(qdict, "name"));
852 static void hmp_trace_event(Monitor *mon, const QDict *qdict)
854 const char *tp_name = qdict_get_str(qdict, "name");
855 bool new_state = qdict_get_bool(qdict, "option");
856 bool has_vcpu = qdict_haskey(qdict, "vcpu");
857 int vcpu = qdict_get_try_int(qdict, "vcpu", 0);
858 Error *local_err = NULL;
861 monitor_printf(mon, "argument vcpu must be positive");
865 qmp_trace_event_set_state(tp_name, new_state, true, true, has_vcpu, vcpu, &local_err);
867 error_report_err(local_err);
871 #ifdef CONFIG_TRACE_SIMPLE
872 static void hmp_trace_file(Monitor *mon, const QDict *qdict)
874 const char *op = qdict_get_try_str(qdict, "op");
875 const char *arg = qdict_get_try_str(qdict, "arg");
878 st_print_trace_file_status((FILE *)mon, &monitor_fprintf);
879 } else if (!strcmp(op, "on")) {
880 st_set_trace_file_enabled(true);
881 } else if (!strcmp(op, "off")) {
882 st_set_trace_file_enabled(false);
883 } else if (!strcmp(op, "flush")) {
884 st_flush_trace_buffer();
885 } else if (!strcmp(op, "set")) {
887 st_set_trace_file(arg);
890 monitor_printf(mon, "unexpected argument \"%s\"\n", op);
891 help_cmd(mon, "trace-file");
896 static void hmp_info_help(Monitor *mon, const QDict *qdict)
898 help_cmd(mon, "info");
901 static void query_commands_cb(QmpCommand *cmd, void *opaque)
903 CommandInfoList *info, **list = opaque;
909 info = g_malloc0(sizeof(*info));
910 info->value = g_malloc0(sizeof(*info->value));
911 info->value->name = g_strdup(cmd->name);
916 CommandInfoList *qmp_query_commands(Error **errp)
918 CommandInfoList *list = NULL;
920 qmp_for_each_command(cur_mon->qmp.commands, query_commands_cb, &list);
925 EventInfoList *qmp_query_events(Error **errp)
927 EventInfoList *info, *ev_list = NULL;
930 for (e = 0 ; e < QAPI_EVENT__MAX ; e++) {
931 const char *event_name = QAPIEvent_str(e);
932 assert(event_name != NULL);
933 info = g_malloc0(sizeof(*info));
934 info->value = g_malloc0(sizeof(*info->value));
935 info->value->name = g_strdup(event_name);
937 info->next = ev_list;
945 * Minor hack: generated marshalling suppressed for this command
946 * ('gen': false in the schema) so we can parse the JSON string
947 * directly into QObject instead of first parsing it with
948 * visit_type_SchemaInfoList() into a SchemaInfoList, then marshal it
949 * to QObject with generated output marshallers, every time. Instead,
950 * we do it in test-qobject-input-visitor.c, just to make sure
951 * qapi-introspect.py's output actually conforms to the schema.
953 static void qmp_query_qmp_schema(QDict *qdict, QObject **ret_data,
956 *ret_data = qobject_from_json(qmp_schema_json, &error_abort);
960 * We used to define commands in qmp-commands.hx in addition to the
961 * QAPI schema. This permitted defining some of them only in certain
962 * configurations. query-commands has always reflected that (good,
963 * because it lets QMP clients figure out what's actually available),
964 * while query-qmp-schema never did (not so good). This function is a
965 * hack to keep the configuration-specific commands defined exactly as
966 * before, even though qmp-commands.hx is gone.
968 * FIXME Educate the QAPI schema on configuration-specific commands,
969 * and drop this hack.
971 static void qmp_unregister_commands_hack(void)
974 qmp_unregister_command(&qmp_commands, "query-spice");
976 #ifndef CONFIG_REPLICATION
977 qmp_unregister_command(&qmp_commands, "xen-set-replication");
978 qmp_unregister_command(&qmp_commands, "query-xen-replication-status");
979 qmp_unregister_command(&qmp_commands, "xen-colo-do-checkpoint");
982 qmp_unregister_command(&qmp_commands, "rtc-reset-reinjection");
985 qmp_unregister_command(&qmp_commands, "dump-skeys");
988 qmp_unregister_command(&qmp_commands, "query-gic-capabilities");
990 #if !defined(TARGET_S390X) && !defined(TARGET_I386)
991 qmp_unregister_command(&qmp_commands, "query-cpu-model-expansion");
993 #if !defined(TARGET_S390X)
994 qmp_unregister_command(&qmp_commands, "query-cpu-model-baseline");
995 qmp_unregister_command(&qmp_commands, "query-cpu-model-comparison");
997 #if !defined(TARGET_PPC) && !defined(TARGET_ARM) && !defined(TARGET_I386) \
998 && !defined(TARGET_S390X)
999 qmp_unregister_command(&qmp_commands, "query-cpu-definitions");
1003 void monitor_init_qmp_commands(void)
1006 * Two command lists:
1007 * - qmp_commands contains all QMP commands
1008 * - qmp_cap_negotiation_commands contains just
1009 * "qmp_capabilities", to enforce capability negotiation
1012 qmp_init_marshal(&qmp_commands);
1014 qmp_register_command(&qmp_commands, "query-qmp-schema",
1015 qmp_query_qmp_schema,
1017 qmp_register_command(&qmp_commands, "device_add", qmp_device_add,
1019 qmp_register_command(&qmp_commands, "netdev_add", qmp_netdev_add,
1022 qmp_unregister_commands_hack();
1024 QTAILQ_INIT(&qmp_cap_negotiation_commands);
1025 qmp_register_command(&qmp_cap_negotiation_commands, "qmp_capabilities",
1026 qmp_marshal_qmp_capabilities, QCO_NO_OPTIONS);
1029 void qmp_qmp_capabilities(Error **errp)
1031 if (cur_mon->qmp.commands == &qmp_commands) {
1032 error_set(errp, ERROR_CLASS_COMMAND_NOT_FOUND,
1033 "Capabilities negotiation is already complete, command "
1038 cur_mon->qmp.commands = &qmp_commands;
1041 /* set the current CPU defined by the user */
1042 int monitor_set_cpu(int cpu_index)
1046 cpu = qemu_get_cpu(cpu_index);
1050 cur_mon->mon_cpu = cpu;
1054 CPUState *mon_get_cpu(void)
1056 if (!cur_mon->mon_cpu) {
1060 monitor_set_cpu(first_cpu->cpu_index);
1062 cpu_synchronize_state(cur_mon->mon_cpu);
1063 return cur_mon->mon_cpu;
1066 CPUArchState *mon_get_cpu_env(void)
1068 CPUState *cs = mon_get_cpu();
1070 return cs ? cs->env_ptr : NULL;
1073 int monitor_get_cpu_index(void)
1075 CPUState *cs = mon_get_cpu();
1077 return cs ? cs->cpu_index : UNASSIGNED_CPU_INDEX;
1080 static void hmp_info_registers(Monitor *mon, const QDict *qdict)
1082 bool all_cpus = qdict_get_try_bool(qdict, "cpustate_all", false);
1087 monitor_printf(mon, "\nCPU#%d\n", cs->cpu_index);
1088 cpu_dump_state(cs, (FILE *)mon, monitor_fprintf, CPU_DUMP_FPU);
1094 monitor_printf(mon, "No CPU available\n");
1098 cpu_dump_state(cs, (FILE *)mon, monitor_fprintf, CPU_DUMP_FPU);
1103 static void hmp_info_jit(Monitor *mon, const QDict *qdict)
1105 if (!tcg_enabled()) {
1106 error_report("JIT information is only available with accel=tcg");
1110 dump_exec_info((FILE *)mon, monitor_fprintf);
1111 dump_drift_info((FILE *)mon, monitor_fprintf);
1114 static void hmp_info_opcount(Monitor *mon, const QDict *qdict)
1116 dump_opcount_info((FILE *)mon, monitor_fprintf);
1120 static void hmp_info_history(Monitor *mon, const QDict *qdict)
1129 str = readline_get_history(mon->rs, i);
1132 monitor_printf(mon, "%d: '%s'\n", i, str);
1137 static void hmp_info_cpustats(Monitor *mon, const QDict *qdict)
1139 CPUState *cs = mon_get_cpu();
1142 monitor_printf(mon, "No CPU available\n");
1145 cpu_dump_statistics(cs, (FILE *)mon, &monitor_fprintf, 0);
1148 static void hmp_info_trace_events(Monitor *mon, const QDict *qdict)
1150 const char *name = qdict_get_try_str(qdict, "name");
1151 bool has_vcpu = qdict_haskey(qdict, "vcpu");
1152 int vcpu = qdict_get_try_int(qdict, "vcpu", 0);
1153 TraceEventInfoList *events;
1154 TraceEventInfoList *elem;
1155 Error *local_err = NULL;
1161 monitor_printf(mon, "argument vcpu must be positive");
1165 events = qmp_trace_event_get_state(name, has_vcpu, vcpu, &local_err);
1167 error_report_err(local_err);
1171 for (elem = events; elem != NULL; elem = elem->next) {
1172 monitor_printf(mon, "%s : state %u\n",
1174 elem->value->state == TRACE_EVENT_STATE_ENABLED ? 1 : 0);
1176 qapi_free_TraceEventInfoList(events);
1179 void qmp_client_migrate_info(const char *protocol, const char *hostname,
1180 bool has_port, int64_t port,
1181 bool has_tls_port, int64_t tls_port,
1182 bool has_cert_subject, const char *cert_subject,
1185 if (strcmp(protocol, "spice") == 0) {
1186 if (!qemu_using_spice(errp)) {
1190 if (!has_port && !has_tls_port) {
1191 error_setg(errp, QERR_MISSING_PARAMETER, "port/tls-port");
1195 if (qemu_spice_migrate_info(hostname,
1196 has_port ? port : -1,
1197 has_tls_port ? tls_port : -1,
1199 error_setg(errp, QERR_UNDEFINED_ERROR);
1205 error_setg(errp, QERR_INVALID_PARAMETER_VALUE, "protocol", "spice");
1208 static void hmp_logfile(Monitor *mon, const QDict *qdict)
1212 qemu_set_log_filename(qdict_get_str(qdict, "filename"), &err);
1214 error_report_err(err);
1218 static void hmp_log(Monitor *mon, const QDict *qdict)
1221 const char *items = qdict_get_str(qdict, "items");
1223 if (!strcmp(items, "none")) {
1226 mask = qemu_str_to_log_mask(items);
1228 help_cmd(mon, "log");
1235 static void hmp_singlestep(Monitor *mon, const QDict *qdict)
1237 const char *option = qdict_get_try_str(qdict, "option");
1238 if (!option || !strcmp(option, "on")) {
1240 } else if (!strcmp(option, "off")) {
1243 monitor_printf(mon, "unexpected option %s\n", option);
1247 static void hmp_gdbserver(Monitor *mon, const QDict *qdict)
1249 const char *device = qdict_get_try_str(qdict, "device");
1251 device = "tcp::" DEFAULT_GDBSTUB_PORT;
1252 if (gdbserver_start(device) < 0) {
1253 monitor_printf(mon, "Could not open gdbserver on device '%s'\n",
1255 } else if (strcmp(device, "none") == 0) {
1256 monitor_printf(mon, "Disabled gdbserver\n");
1258 monitor_printf(mon, "Waiting for gdb connection on device '%s'\n",
1263 static void hmp_watchdog_action(Monitor *mon, const QDict *qdict)
1265 const char *action = qdict_get_str(qdict, "action");
1266 if (select_watchdog_action(action) == -1) {
1267 monitor_printf(mon, "Unknown watchdog action '%s'\n", action);
1271 static void monitor_printc(Monitor *mon, int c)
1273 monitor_printf(mon, "'");
1276 monitor_printf(mon, "\\'");
1279 monitor_printf(mon, "\\\\");
1282 monitor_printf(mon, "\\n");
1285 monitor_printf(mon, "\\r");
1288 if (c >= 32 && c <= 126) {
1289 monitor_printf(mon, "%c", c);
1291 monitor_printf(mon, "\\x%02x", c);
1295 monitor_printf(mon, "'");
1298 static void memory_dump(Monitor *mon, int count, int format, int wsize,
1299 hwaddr addr, int is_physical)
1301 int l, line_size, i, max_digits, len;
1304 CPUState *cs = mon_get_cpu();
1306 if (!cs && (format == 'i' || !is_physical)) {
1307 monitor_printf(mon, "Can not dump without CPU\n");
1311 if (format == 'i') {
1314 CPUArchState *env = mon_get_cpu_env();
1317 } else if (wsize == 4) {
1320 /* as default we use the current CS size */
1323 #ifdef TARGET_X86_64
1324 if ((env->efer & MSR_EFER_LMA) &&
1325 (env->segs[R_CS].flags & DESC_L_MASK))
1329 if (!(env->segs[R_CS].flags & DESC_B_MASK))
1335 CPUArchState *env = mon_get_cpu_env();
1336 flags = msr_le << 16;
1337 flags |= env->bfd_mach;
1339 monitor_disas(mon, cs, addr, count, is_physical, flags);
1343 len = wsize * count;
1352 max_digits = DIV_ROUND_UP(wsize * 8, 3);
1356 max_digits = (wsize * 8) / 4;
1360 max_digits = DIV_ROUND_UP(wsize * 8 * 10, 33);
1369 monitor_printf(mon, TARGET_FMT_plx ":", addr);
1371 monitor_printf(mon, TARGET_FMT_lx ":", (target_ulong)addr);
1376 cpu_physical_memory_read(addr, buf, l);
1378 if (cpu_memory_rw_debug(cs, addr, buf, l, 0) < 0) {
1379 monitor_printf(mon, " Cannot access memory\n");
1388 v = ldub_p(buf + i);
1391 v = lduw_p(buf + i);
1394 v = (uint32_t)ldl_p(buf + i);
1400 monitor_printf(mon, " ");
1403 monitor_printf(mon, "%#*" PRIo64, max_digits, v);
1406 monitor_printf(mon, "0x%0*" PRIx64, max_digits, v);
1409 monitor_printf(mon, "%*" PRIu64, max_digits, v);
1412 monitor_printf(mon, "%*" PRId64, max_digits, v);
1415 monitor_printc(mon, v);
1420 monitor_printf(mon, "\n");
1426 static void hmp_memory_dump(Monitor *mon, const QDict *qdict)
1428 int count = qdict_get_int(qdict, "count");
1429 int format = qdict_get_int(qdict, "format");
1430 int size = qdict_get_int(qdict, "size");
1431 target_long addr = qdict_get_int(qdict, "addr");
1433 memory_dump(mon, count, format, size, addr, 0);
1436 static void hmp_physical_memory_dump(Monitor *mon, const QDict *qdict)
1438 int count = qdict_get_int(qdict, "count");
1439 int format = qdict_get_int(qdict, "format");
1440 int size = qdict_get_int(qdict, "size");
1441 hwaddr addr = qdict_get_int(qdict, "addr");
1443 memory_dump(mon, count, format, size, addr, 1);
1446 static void *gpa2hva(MemoryRegion **p_mr, hwaddr addr, Error **errp)
1448 MemoryRegionSection mrs = memory_region_find(get_system_memory(),
1452 error_setg(errp, "No memory is mapped at address 0x%" HWADDR_PRIx, addr);
1456 if (!memory_region_is_ram(mrs.mr) && !memory_region_is_romd(mrs.mr)) {
1457 error_setg(errp, "Memory at address 0x%" HWADDR_PRIx "is not RAM", addr);
1458 memory_region_unref(mrs.mr);
1463 return qemu_map_ram_ptr(mrs.mr->ram_block, mrs.offset_within_region);
1466 static void hmp_gpa2hva(Monitor *mon, const QDict *qdict)
1468 hwaddr addr = qdict_get_int(qdict, "addr");
1469 Error *local_err = NULL;
1470 MemoryRegion *mr = NULL;
1473 ptr = gpa2hva(&mr, addr, &local_err);
1475 error_report_err(local_err);
1479 monitor_printf(mon, "Host virtual address for 0x%" HWADDR_PRIx
1481 addr, mr->name, ptr);
1483 memory_region_unref(mr);
1487 static uint64_t vtop(void *ptr, Error **errp)
1491 uintptr_t addr = (uintptr_t) ptr;
1492 uintptr_t pagesize = getpagesize();
1493 off_t offset = addr / pagesize * sizeof(pinfo);
1496 fd = open("/proc/self/pagemap", O_RDONLY);
1498 error_setg_errno(errp, errno, "Cannot open /proc/self/pagemap");
1502 /* Force copy-on-write if necessary. */
1503 atomic_add((uint8_t *)ptr, 0);
1505 if (pread(fd, &pinfo, sizeof(pinfo), offset) != sizeof(pinfo)) {
1506 error_setg_errno(errp, errno, "Cannot read pagemap");
1509 if ((pinfo & (1ull << 63)) == 0) {
1510 error_setg(errp, "Page not present");
1513 ret = ((pinfo & 0x007fffffffffffffull) * pagesize) | (addr & (pagesize - 1));
1520 static void hmp_gpa2hpa(Monitor *mon, const QDict *qdict)
1522 hwaddr addr = qdict_get_int(qdict, "addr");
1523 Error *local_err = NULL;
1524 MemoryRegion *mr = NULL;
1528 ptr = gpa2hva(&mr, addr, &local_err);
1530 error_report_err(local_err);
1534 physaddr = vtop(ptr, &local_err);
1536 error_report_err(local_err);
1538 monitor_printf(mon, "Host physical address for 0x%" HWADDR_PRIx
1539 " (%s) is 0x%" PRIx64 "\n",
1540 addr, mr->name, (uint64_t) physaddr);
1543 memory_region_unref(mr);
1547 static void do_print(Monitor *mon, const QDict *qdict)
1549 int format = qdict_get_int(qdict, "format");
1550 hwaddr val = qdict_get_int(qdict, "val");
1554 monitor_printf(mon, "%#" HWADDR_PRIo, val);
1557 monitor_printf(mon, "%#" HWADDR_PRIx, val);
1560 monitor_printf(mon, "%" HWADDR_PRIu, val);
1564 monitor_printf(mon, "%" HWADDR_PRId, val);
1567 monitor_printc(mon, val);
1570 monitor_printf(mon, "\n");
1573 static void hmp_sum(Monitor *mon, const QDict *qdict)
1577 uint32_t start = qdict_get_int(qdict, "start");
1578 uint32_t size = qdict_get_int(qdict, "size");
1581 for(addr = start; addr < (start + size); addr++) {
1582 uint8_t val = address_space_ldub(&address_space_memory, addr,
1583 MEMTXATTRS_UNSPECIFIED, NULL);
1584 /* BSD sum algorithm ('sum' Unix command) */
1585 sum = (sum >> 1) | (sum << 15);
1588 monitor_printf(mon, "%05d\n", sum);
1591 static int mouse_button_state;
1593 static void hmp_mouse_move(Monitor *mon, const QDict *qdict)
1595 int dx, dy, dz, button;
1596 const char *dx_str = qdict_get_str(qdict, "dx_str");
1597 const char *dy_str = qdict_get_str(qdict, "dy_str");
1598 const char *dz_str = qdict_get_try_str(qdict, "dz_str");
1600 dx = strtol(dx_str, NULL, 0);
1601 dy = strtol(dy_str, NULL, 0);
1602 qemu_input_queue_rel(NULL, INPUT_AXIS_X, dx);
1603 qemu_input_queue_rel(NULL, INPUT_AXIS_Y, dy);
1606 dz = strtol(dz_str, NULL, 0);
1608 button = (dz > 0) ? INPUT_BUTTON_WHEEL_UP : INPUT_BUTTON_WHEEL_DOWN;
1609 qemu_input_queue_btn(NULL, button, true);
1610 qemu_input_event_sync();
1611 qemu_input_queue_btn(NULL, button, false);
1614 qemu_input_event_sync();
1617 static void hmp_mouse_button(Monitor *mon, const QDict *qdict)
1619 static uint32_t bmap[INPUT_BUTTON__MAX] = {
1620 [INPUT_BUTTON_LEFT] = MOUSE_EVENT_LBUTTON,
1621 [INPUT_BUTTON_MIDDLE] = MOUSE_EVENT_MBUTTON,
1622 [INPUT_BUTTON_RIGHT] = MOUSE_EVENT_RBUTTON,
1624 int button_state = qdict_get_int(qdict, "button_state");
1626 if (mouse_button_state == button_state) {
1629 qemu_input_update_buttons(NULL, bmap, mouse_button_state, button_state);
1630 qemu_input_event_sync();
1631 mouse_button_state = button_state;
1634 static void hmp_ioport_read(Monitor *mon, const QDict *qdict)
1636 int size = qdict_get_int(qdict, "size");
1637 int addr = qdict_get_int(qdict, "addr");
1638 int has_index = qdict_haskey(qdict, "index");
1643 int index = qdict_get_int(qdict, "index");
1644 cpu_outb(addr & IOPORTS_MASK, index & 0xff);
1652 val = cpu_inb(addr);
1656 val = cpu_inw(addr);
1660 val = cpu_inl(addr);
1664 monitor_printf(mon, "port%c[0x%04x] = %#0*x\n",
1665 suffix, addr, size * 2, val);
1668 static void hmp_ioport_write(Monitor *mon, const QDict *qdict)
1670 int size = qdict_get_int(qdict, "size");
1671 int addr = qdict_get_int(qdict, "addr");
1672 int val = qdict_get_int(qdict, "val");
1674 addr &= IOPORTS_MASK;
1679 cpu_outb(addr, val);
1682 cpu_outw(addr, val);
1685 cpu_outl(addr, val);
1690 static void hmp_boot_set(Monitor *mon, const QDict *qdict)
1692 Error *local_err = NULL;
1693 const char *bootdevice = qdict_get_str(qdict, "bootdevice");
1695 qemu_boot_set(bootdevice, &local_err);
1697 error_report_err(local_err);
1699 monitor_printf(mon, "boot device list now set to %s\n", bootdevice);
1703 static void hmp_info_mtree(Monitor *mon, const QDict *qdict)
1705 bool flatview = qdict_get_try_bool(qdict, "flatview", false);
1706 bool dispatch_tree = qdict_get_try_bool(qdict, "dispatch_tree", false);
1708 mtree_info((fprintf_function)monitor_printf, mon, flatview, dispatch_tree);
1711 static void hmp_info_numa(Monitor *mon, const QDict *qdict)
1714 NumaNodeMem *node_mem;
1715 CpuInfoList *cpu_list, *cpu;
1717 cpu_list = qmp_query_cpus(&error_abort);
1718 node_mem = g_new0(NumaNodeMem, nb_numa_nodes);
1720 query_numa_node_mem(node_mem);
1721 monitor_printf(mon, "%d nodes\n", nb_numa_nodes);
1722 for (i = 0; i < nb_numa_nodes; i++) {
1723 monitor_printf(mon, "node %d cpus:", i);
1724 for (cpu = cpu_list; cpu; cpu = cpu->next) {
1725 if (cpu->value->has_props && cpu->value->props->has_node_id &&
1726 cpu->value->props->node_id == i) {
1727 monitor_printf(mon, " %" PRIi64, cpu->value->CPU);
1730 monitor_printf(mon, "\n");
1731 monitor_printf(mon, "node %d size: %" PRId64 " MB\n", i,
1732 node_mem[i].node_mem >> 20);
1733 monitor_printf(mon, "node %d plugged: %" PRId64 " MB\n", i,
1734 node_mem[i].node_plugged_mem >> 20);
1736 qapi_free_CpuInfoList(cpu_list);
1740 #ifdef CONFIG_PROFILER
1745 static void hmp_info_profile(Monitor *mon, const QDict *qdict)
1747 monitor_printf(mon, "async time %" PRId64 " (%0.3f)\n",
1748 dev_time, dev_time / (double)NANOSECONDS_PER_SECOND);
1749 monitor_printf(mon, "qemu time %" PRId64 " (%0.3f)\n",
1750 tcg_time, tcg_time / (double)NANOSECONDS_PER_SECOND);
1755 static void hmp_info_profile(Monitor *mon, const QDict *qdict)
1757 monitor_printf(mon, "Internal profiler not compiled\n");
1761 /* Capture support */
1762 static QLIST_HEAD (capture_list_head, CaptureState) capture_head;
1764 static void hmp_info_capture(Monitor *mon, const QDict *qdict)
1769 for (s = capture_head.lh_first, i = 0; s; s = s->entries.le_next, ++i) {
1770 monitor_printf(mon, "[%d]: ", i);
1771 s->ops.info (s->opaque);
1775 static void hmp_stopcapture(Monitor *mon, const QDict *qdict)
1778 int n = qdict_get_int(qdict, "n");
1781 for (s = capture_head.lh_first, i = 0; s; s = s->entries.le_next, ++i) {
1783 s->ops.destroy (s->opaque);
1784 QLIST_REMOVE (s, entries);
1791 static void hmp_wavcapture(Monitor *mon, const QDict *qdict)
1793 const char *path = qdict_get_str(qdict, "path");
1794 int has_freq = qdict_haskey(qdict, "freq");
1795 int freq = qdict_get_try_int(qdict, "freq", -1);
1796 int has_bits = qdict_haskey(qdict, "bits");
1797 int bits = qdict_get_try_int(qdict, "bits", -1);
1798 int has_channels = qdict_haskey(qdict, "nchannels");
1799 int nchannels = qdict_get_try_int(qdict, "nchannels", -1);
1802 s = g_malloc0 (sizeof (*s));
1804 freq = has_freq ? freq : 44100;
1805 bits = has_bits ? bits : 16;
1806 nchannels = has_channels ? nchannels : 2;
1808 if (wav_start_capture (s, path, freq, bits, nchannels)) {
1809 monitor_printf(mon, "Failed to add wave capture\n");
1813 QLIST_INSERT_HEAD (&capture_head, s, entries);
1816 static qemu_acl *find_acl(Monitor *mon, const char *name)
1818 qemu_acl *acl = qemu_acl_find(name);
1821 monitor_printf(mon, "acl: unknown list '%s'\n", name);
1826 static void hmp_acl_show(Monitor *mon, const QDict *qdict)
1828 const char *aclname = qdict_get_str(qdict, "aclname");
1829 qemu_acl *acl = find_acl(mon, aclname);
1830 qemu_acl_entry *entry;
1834 monitor_printf(mon, "policy: %s\n",
1835 acl->defaultDeny ? "deny" : "allow");
1836 QTAILQ_FOREACH(entry, &acl->entries, next) {
1838 monitor_printf(mon, "%d: %s %s\n", i,
1839 entry->deny ? "deny" : "allow", entry->match);
1844 static void hmp_acl_reset(Monitor *mon, const QDict *qdict)
1846 const char *aclname = qdict_get_str(qdict, "aclname");
1847 qemu_acl *acl = find_acl(mon, aclname);
1850 qemu_acl_reset(acl);
1851 monitor_printf(mon, "acl: removed all rules\n");
1855 static void hmp_acl_policy(Monitor *mon, const QDict *qdict)
1857 const char *aclname = qdict_get_str(qdict, "aclname");
1858 const char *policy = qdict_get_str(qdict, "policy");
1859 qemu_acl *acl = find_acl(mon, aclname);
1862 if (strcmp(policy, "allow") == 0) {
1863 acl->defaultDeny = 0;
1864 monitor_printf(mon, "acl: policy set to 'allow'\n");
1865 } else if (strcmp(policy, "deny") == 0) {
1866 acl->defaultDeny = 1;
1867 monitor_printf(mon, "acl: policy set to 'deny'\n");
1869 monitor_printf(mon, "acl: unknown policy '%s', "
1870 "expected 'deny' or 'allow'\n", policy);
1875 static void hmp_acl_add(Monitor *mon, const QDict *qdict)
1877 const char *aclname = qdict_get_str(qdict, "aclname");
1878 const char *match = qdict_get_str(qdict, "match");
1879 const char *policy = qdict_get_str(qdict, "policy");
1880 int has_index = qdict_haskey(qdict, "index");
1881 int index = qdict_get_try_int(qdict, "index", -1);
1882 qemu_acl *acl = find_acl(mon, aclname);
1886 if (strcmp(policy, "allow") == 0) {
1888 } else if (strcmp(policy, "deny") == 0) {
1891 monitor_printf(mon, "acl: unknown policy '%s', "
1892 "expected 'deny' or 'allow'\n", policy);
1896 ret = qemu_acl_insert(acl, deny, match, index);
1898 ret = qemu_acl_append(acl, deny, match);
1900 monitor_printf(mon, "acl: unable to add acl entry\n");
1902 monitor_printf(mon, "acl: added rule at position %d\n", ret);
1906 static void hmp_acl_remove(Monitor *mon, const QDict *qdict)
1908 const char *aclname = qdict_get_str(qdict, "aclname");
1909 const char *match = qdict_get_str(qdict, "match");
1910 qemu_acl *acl = find_acl(mon, aclname);
1914 ret = qemu_acl_remove(acl, match);
1916 monitor_printf(mon, "acl: no matching acl entry\n");
1918 monitor_printf(mon, "acl: removed rule at position %d\n", ret);
1922 void qmp_getfd(const char *fdname, Error **errp)
1927 fd = qemu_chr_fe_get_msgfd(&cur_mon->chr);
1929 error_setg(errp, QERR_FD_NOT_SUPPLIED);
1933 if (qemu_isdigit(fdname[0])) {
1935 error_setg(errp, QERR_INVALID_PARAMETER_VALUE, "fdname",
1936 "a name not starting with a digit");
1940 QLIST_FOREACH(monfd, &cur_mon->fds, next) {
1941 if (strcmp(monfd->name, fdname) != 0) {
1950 monfd = g_malloc0(sizeof(mon_fd_t));
1951 monfd->name = g_strdup(fdname);
1954 QLIST_INSERT_HEAD(&cur_mon->fds, monfd, next);
1957 void qmp_closefd(const char *fdname, Error **errp)
1961 QLIST_FOREACH(monfd, &cur_mon->fds, next) {
1962 if (strcmp(monfd->name, fdname) != 0) {
1966 QLIST_REMOVE(monfd, next);
1968 g_free(monfd->name);
1973 error_setg(errp, QERR_FD_NOT_FOUND, fdname);
1976 int monitor_get_fd(Monitor *mon, const char *fdname, Error **errp)
1980 QLIST_FOREACH(monfd, &mon->fds, next) {
1983 if (strcmp(monfd->name, fdname) != 0) {
1989 /* caller takes ownership of fd */
1990 QLIST_REMOVE(monfd, next);
1991 g_free(monfd->name);
1997 error_setg(errp, "File descriptor named '%s' has not been found", fdname);
2001 static void monitor_fdset_cleanup(MonFdset *mon_fdset)
2003 MonFdsetFd *mon_fdset_fd;
2004 MonFdsetFd *mon_fdset_fd_next;
2006 QLIST_FOREACH_SAFE(mon_fdset_fd, &mon_fdset->fds, next, mon_fdset_fd_next) {
2007 if ((mon_fdset_fd->removed ||
2008 (QLIST_EMPTY(&mon_fdset->dup_fds) && mon_refcount == 0)) &&
2009 runstate_is_running()) {
2010 close(mon_fdset_fd->fd);
2011 g_free(mon_fdset_fd->opaque);
2012 QLIST_REMOVE(mon_fdset_fd, next);
2013 g_free(mon_fdset_fd);
2017 if (QLIST_EMPTY(&mon_fdset->fds) && QLIST_EMPTY(&mon_fdset->dup_fds)) {
2018 QLIST_REMOVE(mon_fdset, next);
2023 static void monitor_fdsets_cleanup(void)
2025 MonFdset *mon_fdset;
2026 MonFdset *mon_fdset_next;
2028 QLIST_FOREACH_SAFE(mon_fdset, &mon_fdsets, next, mon_fdset_next) {
2029 monitor_fdset_cleanup(mon_fdset);
2033 AddfdInfo *qmp_add_fd(bool has_fdset_id, int64_t fdset_id, bool has_opaque,
2034 const char *opaque, Error **errp)
2037 Monitor *mon = cur_mon;
2040 fd = qemu_chr_fe_get_msgfd(&mon->chr);
2042 error_setg(errp, QERR_FD_NOT_SUPPLIED);
2046 fdinfo = monitor_fdset_add_fd(fd, has_fdset_id, fdset_id,
2047 has_opaque, opaque, errp);
2059 void qmp_remove_fd(int64_t fdset_id, bool has_fd, int64_t fd, Error **errp)
2061 MonFdset *mon_fdset;
2062 MonFdsetFd *mon_fdset_fd;
2065 QLIST_FOREACH(mon_fdset, &mon_fdsets, next) {
2066 if (mon_fdset->id != fdset_id) {
2069 QLIST_FOREACH(mon_fdset_fd, &mon_fdset->fds, next) {
2071 if (mon_fdset_fd->fd != fd) {
2074 mon_fdset_fd->removed = true;
2077 mon_fdset_fd->removed = true;
2080 if (has_fd && !mon_fdset_fd) {
2083 monitor_fdset_cleanup(mon_fdset);
2089 snprintf(fd_str, sizeof(fd_str), "fdset-id:%" PRId64 ", fd:%" PRId64,
2092 snprintf(fd_str, sizeof(fd_str), "fdset-id:%" PRId64, fdset_id);
2094 error_setg(errp, QERR_FD_NOT_FOUND, fd_str);
2097 FdsetInfoList *qmp_query_fdsets(Error **errp)
2099 MonFdset *mon_fdset;
2100 MonFdsetFd *mon_fdset_fd;
2101 FdsetInfoList *fdset_list = NULL;
2103 QLIST_FOREACH(mon_fdset, &mon_fdsets, next) {
2104 FdsetInfoList *fdset_info = g_malloc0(sizeof(*fdset_info));
2105 FdsetFdInfoList *fdsetfd_list = NULL;
2107 fdset_info->value = g_malloc0(sizeof(*fdset_info->value));
2108 fdset_info->value->fdset_id = mon_fdset->id;
2110 QLIST_FOREACH(mon_fdset_fd, &mon_fdset->fds, next) {
2111 FdsetFdInfoList *fdsetfd_info;
2113 fdsetfd_info = g_malloc0(sizeof(*fdsetfd_info));
2114 fdsetfd_info->value = g_malloc0(sizeof(*fdsetfd_info->value));
2115 fdsetfd_info->value->fd = mon_fdset_fd->fd;
2116 if (mon_fdset_fd->opaque) {
2117 fdsetfd_info->value->has_opaque = true;
2118 fdsetfd_info->value->opaque = g_strdup(mon_fdset_fd->opaque);
2120 fdsetfd_info->value->has_opaque = false;
2123 fdsetfd_info->next = fdsetfd_list;
2124 fdsetfd_list = fdsetfd_info;
2127 fdset_info->value->fds = fdsetfd_list;
2129 fdset_info->next = fdset_list;
2130 fdset_list = fdset_info;
2136 AddfdInfo *monitor_fdset_add_fd(int fd, bool has_fdset_id, int64_t fdset_id,
2137 bool has_opaque, const char *opaque,
2140 MonFdset *mon_fdset = NULL;
2141 MonFdsetFd *mon_fdset_fd;
2145 QLIST_FOREACH(mon_fdset, &mon_fdsets, next) {
2146 /* Break if match found or match impossible due to ordering by ID */
2147 if (fdset_id <= mon_fdset->id) {
2148 if (fdset_id < mon_fdset->id) {
2156 if (mon_fdset == NULL) {
2157 int64_t fdset_id_prev = -1;
2158 MonFdset *mon_fdset_cur = QLIST_FIRST(&mon_fdsets);
2162 error_setg(errp, QERR_INVALID_PARAMETER_VALUE, "fdset-id",
2163 "a non-negative value");
2166 /* Use specified fdset ID */
2167 QLIST_FOREACH(mon_fdset, &mon_fdsets, next) {
2168 mon_fdset_cur = mon_fdset;
2169 if (fdset_id < mon_fdset_cur->id) {
2174 /* Use first available fdset ID */
2175 QLIST_FOREACH(mon_fdset, &mon_fdsets, next) {
2176 mon_fdset_cur = mon_fdset;
2177 if (fdset_id_prev == mon_fdset_cur->id - 1) {
2178 fdset_id_prev = mon_fdset_cur->id;
2185 mon_fdset = g_malloc0(sizeof(*mon_fdset));
2187 mon_fdset->id = fdset_id;
2189 mon_fdset->id = fdset_id_prev + 1;
2192 /* The fdset list is ordered by fdset ID */
2193 if (!mon_fdset_cur) {
2194 QLIST_INSERT_HEAD(&mon_fdsets, mon_fdset, next);
2195 } else if (mon_fdset->id < mon_fdset_cur->id) {
2196 QLIST_INSERT_BEFORE(mon_fdset_cur, mon_fdset, next);
2198 QLIST_INSERT_AFTER(mon_fdset_cur, mon_fdset, next);
2202 mon_fdset_fd = g_malloc0(sizeof(*mon_fdset_fd));
2203 mon_fdset_fd->fd = fd;
2204 mon_fdset_fd->removed = false;
2206 mon_fdset_fd->opaque = g_strdup(opaque);
2208 QLIST_INSERT_HEAD(&mon_fdset->fds, mon_fdset_fd, next);
2210 fdinfo = g_malloc0(sizeof(*fdinfo));
2211 fdinfo->fdset_id = mon_fdset->id;
2212 fdinfo->fd = mon_fdset_fd->fd;
2217 int monitor_fdset_get_fd(int64_t fdset_id, int flags)
2220 MonFdset *mon_fdset;
2221 MonFdsetFd *mon_fdset_fd;
2224 QLIST_FOREACH(mon_fdset, &mon_fdsets, next) {
2225 if (mon_fdset->id != fdset_id) {
2228 QLIST_FOREACH(mon_fdset_fd, &mon_fdset->fds, next) {
2229 mon_fd_flags = fcntl(mon_fdset_fd->fd, F_GETFL);
2230 if (mon_fd_flags == -1) {
2234 if ((flags & O_ACCMODE) == (mon_fd_flags & O_ACCMODE)) {
2235 return mon_fdset_fd->fd;
2247 int monitor_fdset_dup_fd_add(int64_t fdset_id, int dup_fd)
2249 MonFdset *mon_fdset;
2250 MonFdsetFd *mon_fdset_fd_dup;
2252 QLIST_FOREACH(mon_fdset, &mon_fdsets, next) {
2253 if (mon_fdset->id != fdset_id) {
2256 QLIST_FOREACH(mon_fdset_fd_dup, &mon_fdset->dup_fds, next) {
2257 if (mon_fdset_fd_dup->fd == dup_fd) {
2261 mon_fdset_fd_dup = g_malloc0(sizeof(*mon_fdset_fd_dup));
2262 mon_fdset_fd_dup->fd = dup_fd;
2263 QLIST_INSERT_HEAD(&mon_fdset->dup_fds, mon_fdset_fd_dup, next);
2269 static int monitor_fdset_dup_fd_find_remove(int dup_fd, bool remove)
2271 MonFdset *mon_fdset;
2272 MonFdsetFd *mon_fdset_fd_dup;
2274 QLIST_FOREACH(mon_fdset, &mon_fdsets, next) {
2275 QLIST_FOREACH(mon_fdset_fd_dup, &mon_fdset->dup_fds, next) {
2276 if (mon_fdset_fd_dup->fd == dup_fd) {
2278 QLIST_REMOVE(mon_fdset_fd_dup, next);
2279 if (QLIST_EMPTY(&mon_fdset->dup_fds)) {
2280 monitor_fdset_cleanup(mon_fdset);
2284 return mon_fdset->id;
2292 int monitor_fdset_dup_fd_find(int dup_fd)
2294 return monitor_fdset_dup_fd_find_remove(dup_fd, false);
2297 void monitor_fdset_dup_fd_remove(int dup_fd)
2299 monitor_fdset_dup_fd_find_remove(dup_fd, true);
2302 int monitor_fd_param(Monitor *mon, const char *fdname, Error **errp)
2305 Error *local_err = NULL;
2307 if (!qemu_isdigit(fdname[0]) && mon) {
2308 fd = monitor_get_fd(mon, fdname, &local_err);
2310 fd = qemu_parse_fd(fdname);
2312 error_setg(&local_err, "Invalid file descriptor number '%s'",
2317 error_propagate(errp, local_err);
2326 /* Please update hmp-commands.hx when adding or changing commands */
2327 static mon_cmd_t info_cmds[] = {
2328 #include "hmp-commands-info.h"
2332 /* mon_cmds and info_cmds would be sorted at runtime */
2333 static mon_cmd_t mon_cmds[] = {
2334 #include "hmp-commands.h"
2338 /*******************************************************************/
2340 static const char *pch;
2341 static sigjmp_buf expr_env;
2344 static void GCC_FMT_ATTR(2, 3) QEMU_NORETURN
2345 expr_error(Monitor *mon, const char *fmt, ...)
2349 monitor_vprintf(mon, fmt, ap);
2350 monitor_printf(mon, "\n");
2352 siglongjmp(expr_env, 1);
2355 /* return 0 if OK, -1 if not found */
2356 static int get_monitor_def(target_long *pval, const char *name)
2358 const MonitorDef *md = target_monitor_defs();
2359 CPUState *cs = mon_get_cpu();
2364 if (cs == NULL || md == NULL) {
2368 for(; md->name != NULL; md++) {
2369 if (compare_cmd(name, md->name)) {
2370 if (md->get_value) {
2371 *pval = md->get_value(md, md->offset);
2373 CPUArchState *env = mon_get_cpu_env();
2374 ptr = (uint8_t *)env + md->offset;
2377 *pval = *(int32_t *)ptr;
2380 *pval = *(target_long *)ptr;
2391 ret = target_get_monitor_def(cs, name, &tmp);
2393 *pval = (target_long) tmp;
2399 static void next(void)
2403 while (qemu_isspace(*pch))
2408 static int64_t expr_sum(Monitor *mon);
2410 static int64_t expr_unary(Monitor *mon)
2419 n = expr_unary(mon);
2423 n = -expr_unary(mon);
2427 n = ~expr_unary(mon);
2433 expr_error(mon, "')' expected");
2440 expr_error(mon, "character constant expected");
2444 expr_error(mon, "missing terminating \' character");
2454 while ((*pch >= 'a' && *pch <= 'z') ||
2455 (*pch >= 'A' && *pch <= 'Z') ||
2456 (*pch >= '0' && *pch <= '9') ||
2457 *pch == '_' || *pch == '.') {
2458 if ((q - buf) < sizeof(buf) - 1)
2462 while (qemu_isspace(*pch))
2465 ret = get_monitor_def(®, buf);
2467 expr_error(mon, "unknown register");
2472 expr_error(mon, "unexpected end of expression");
2477 n = strtoull(pch, &p, 0);
2478 if (errno == ERANGE) {
2479 expr_error(mon, "number too large");
2482 expr_error(mon, "invalid char '%c' in expression", *p);
2485 while (qemu_isspace(*pch))
2493 static int64_t expr_prod(Monitor *mon)
2498 val = expr_unary(mon);
2501 if (op != '*' && op != '/' && op != '%')
2504 val2 = expr_unary(mon);
2513 expr_error(mon, "division by zero");
2524 static int64_t expr_logic(Monitor *mon)
2529 val = expr_prod(mon);
2532 if (op != '&' && op != '|' && op != '^')
2535 val2 = expr_prod(mon);
2552 static int64_t expr_sum(Monitor *mon)
2557 val = expr_logic(mon);
2560 if (op != '+' && op != '-')
2563 val2 = expr_logic(mon);
2572 static int get_expr(Monitor *mon, int64_t *pval, const char **pp)
2575 if (sigsetjmp(expr_env, 0)) {
2579 while (qemu_isspace(*pch))
2581 *pval = expr_sum(mon);
2586 static int get_double(Monitor *mon, double *pval, const char **pp)
2588 const char *p = *pp;
2592 d = strtod(p, &tailp);
2594 monitor_printf(mon, "Number expected\n");
2597 if (d != d || d - d != 0) {
2598 /* NaN or infinity */
2599 monitor_printf(mon, "Bad number\n");
2608 * Store the command-name in cmdname, and return a pointer to
2609 * the remaining of the command string.
2611 static const char *get_command_name(const char *cmdline,
2612 char *cmdname, size_t nlen)
2615 const char *p, *pstart;
2618 while (qemu_isspace(*p))
2623 while (*p != '\0' && *p != '/' && !qemu_isspace(*p))
2628 memcpy(cmdname, pstart, len);
2629 cmdname[len] = '\0';
2634 * Read key of 'type' into 'key' and return the current
2637 static char *key_get_info(const char *type, char **key)
2645 p = strchr(type, ':');
2652 str = g_malloc(len + 1);
2653 memcpy(str, type, len);
2660 static int default_fmt_format = 'x';
2661 static int default_fmt_size = 4;
2663 static int is_valid_option(const char *c, const char *typestr)
2671 typestr = strstr(typestr, option);
2672 return (typestr != NULL);
2675 static const mon_cmd_t *search_dispatch_table(const mon_cmd_t *disp_table,
2676 const char *cmdname)
2678 const mon_cmd_t *cmd;
2680 for (cmd = disp_table; cmd->name != NULL; cmd++) {
2681 if (compare_cmd(cmdname, cmd->name)) {
2690 * Parse command name from @cmdp according to command table @table.
2691 * If blank, return NULL.
2692 * Else, if no valid command can be found, report to @mon, and return
2694 * Else, change @cmdp to point right behind the name, and return its
2695 * command table entry.
2696 * Do not assume the return value points into @table! It doesn't when
2697 * the command is found in a sub-command table.
2699 static const mon_cmd_t *monitor_parse_command(Monitor *mon,
2700 const char *cmdp_start,
2705 const mon_cmd_t *cmd;
2708 /* extract the command name */
2709 p = get_command_name(*cmdp, cmdname, sizeof(cmdname));
2713 cmd = search_dispatch_table(table, cmdname);
2715 monitor_printf(mon, "unknown command: '%.*s'\n",
2716 (int)(p - cmdp_start), cmdp_start);
2720 /* filter out following useless space */
2721 while (qemu_isspace(*p)) {
2726 /* search sub command */
2727 if (cmd->sub_table != NULL && *p != '\0') {
2728 return monitor_parse_command(mon, cmdp_start, cmdp, cmd->sub_table);
2735 * Parse arguments for @cmd.
2736 * If it can't be parsed, report to @mon, and return NULL.
2737 * Else, insert command arguments into a QDict, and return it.
2738 * Note: On success, caller has to free the QDict structure.
2741 static QDict *monitor_parse_arguments(Monitor *mon,
2743 const mon_cmd_t *cmd)
2745 const char *typestr;
2748 const char *p = *endp;
2750 QDict *qdict = qdict_new();
2752 /* parse the parameters */
2753 typestr = cmd->args_type;
2755 typestr = key_get_info(typestr, &key);
2767 while (qemu_isspace(*p))
2769 if (*typestr == '?') {
2772 /* no optional string: NULL argument */
2776 ret = get_str(buf, sizeof(buf), &p);
2780 monitor_printf(mon, "%s: filename expected\n",
2784 monitor_printf(mon, "%s: block device name expected\n",
2788 monitor_printf(mon, "%s: string expected\n", cmd->name);
2793 qdict_put_str(qdict, key, buf);
2798 QemuOptsList *opts_list;
2801 opts_list = qemu_find_opts(key);
2802 if (!opts_list || opts_list->desc->name) {
2805 while (qemu_isspace(*p)) {
2810 if (get_str(buf, sizeof(buf), &p) < 0) {
2813 opts = qemu_opts_parse_noisily(opts_list, buf, true);
2817 qemu_opts_to_qdict(opts, qdict);
2818 qemu_opts_del(opts);
2823 int count, format, size;
2825 while (qemu_isspace(*p))
2831 if (qemu_isdigit(*p)) {
2833 while (qemu_isdigit(*p)) {
2834 count = count * 10 + (*p - '0');
2872 if (*p != '\0' && !qemu_isspace(*p)) {
2873 monitor_printf(mon, "invalid char in format: '%c'\n",
2878 format = default_fmt_format;
2879 if (format != 'i') {
2880 /* for 'i', not specifying a size gives -1 as size */
2882 size = default_fmt_size;
2883 default_fmt_size = size;
2885 default_fmt_format = format;
2888 format = default_fmt_format;
2889 if (format != 'i') {
2890 size = default_fmt_size;
2895 qdict_put_int(qdict, "count", count);
2896 qdict_put_int(qdict, "format", format);
2897 qdict_put_int(qdict, "size", size);
2906 while (qemu_isspace(*p))
2908 if (*typestr == '?' || *typestr == '.') {
2909 if (*typestr == '?') {
2917 while (qemu_isspace(*p))
2926 if (get_expr(mon, &val, &p))
2928 /* Check if 'i' is greater than 32-bit */
2929 if ((c == 'i') && ((val >> 32) & 0xffffffff)) {
2930 monitor_printf(mon, "\'%s\' has failed: ", cmd->name);
2931 monitor_printf(mon, "integer is for 32-bit values\n");
2933 } else if (c == 'M') {
2935 monitor_printf(mon, "enter a positive value\n");
2940 qdict_put_int(qdict, key, val);
2949 while (qemu_isspace(*p)) {
2952 if (*typestr == '?') {
2958 ret = qemu_strtosz_MiB(p, &end, &val);
2959 if (ret < 0 || val > INT64_MAX) {
2960 monitor_printf(mon, "invalid size\n");
2963 qdict_put_int(qdict, key, val);
2971 while (qemu_isspace(*p))
2973 if (*typestr == '?') {
2979 if (get_double(mon, &val, &p) < 0) {
2982 if (p[0] && p[1] == 's') {
2985 val /= 1e3; p += 2; break;
2987 val /= 1e6; p += 2; break;
2989 val /= 1e9; p += 2; break;
2992 if (*p && !qemu_isspace(*p)) {
2993 monitor_printf(mon, "Unknown unit suffix\n");
2996 qdict_put(qdict, key, qnum_from_double(val));
3004 while (qemu_isspace(*p)) {
3008 while (qemu_isgraph(*p)) {
3011 if (p - beg == 2 && !memcmp(beg, "on", p - beg)) {
3013 } else if (p - beg == 3 && !memcmp(beg, "off", p - beg)) {
3016 monitor_printf(mon, "Expected 'on' or 'off'\n");
3019 qdict_put_bool(qdict, key, val);
3024 const char *tmp = p;
3031 while (qemu_isspace(*p))
3036 if(!is_valid_option(p, typestr)) {
3038 monitor_printf(mon, "%s: unsupported option -%c\n",
3050 qdict_put_bool(qdict, key, true);
3057 /* package all remaining string */
3060 while (qemu_isspace(*p)) {
3063 if (*typestr == '?') {
3066 /* no remaining string: NULL argument */
3072 monitor_printf(mon, "%s: string expected\n",
3076 qdict_put_str(qdict, key, p);
3082 monitor_printf(mon, "%s: unknown type '%c'\n", cmd->name, c);
3088 /* check that all arguments were parsed */
3089 while (qemu_isspace(*p))
3092 monitor_printf(mon, "%s: extraneous characters at the end of line\n",
3105 static void handle_hmp_command(Monitor *mon, const char *cmdline)
3108 const mon_cmd_t *cmd;
3110 trace_handle_hmp_command(mon, cmdline);
3112 cmd = monitor_parse_command(mon, cmdline, &cmdline, mon->cmd_table);
3117 qdict = monitor_parse_arguments(mon, &cmdline, cmd);
3119 monitor_printf(mon, "Try \"help %s\" for more information\n",
3124 cmd->cmd(mon, qdict);
3128 static void cmd_completion(Monitor *mon, const char *name, const char *list)
3130 const char *p, *pstart;
3139 p = pstart + strlen(pstart);
3141 if (len > sizeof(cmd) - 2)
3142 len = sizeof(cmd) - 2;
3143 memcpy(cmd, pstart, len);
3145 if (name[0] == '\0' || !strncmp(name, cmd, strlen(name))) {
3146 readline_add_completion(mon->rs, cmd);
3154 static void file_completion(Monitor *mon, const char *input)
3159 char file[1024], file_prefix[1024];
3163 p = strrchr(input, '/');
3166 pstrcpy(file_prefix, sizeof(file_prefix), input);
3167 pstrcpy(path, sizeof(path), ".");
3169 input_path_len = p - input + 1;
3170 memcpy(path, input, input_path_len);
3171 if (input_path_len > sizeof(path) - 1)
3172 input_path_len = sizeof(path) - 1;
3173 path[input_path_len] = '\0';
3174 pstrcpy(file_prefix, sizeof(file_prefix), p + 1);
3177 ffs = opendir(path);
3186 if (strcmp(d->d_name, ".") == 0 || strcmp(d->d_name, "..") == 0) {
3190 if (strstart(d->d_name, file_prefix, NULL)) {
3191 memcpy(file, input, input_path_len);
3192 if (input_path_len < sizeof(file))
3193 pstrcpy(file + input_path_len, sizeof(file) - input_path_len,
3195 /* stat the file to find out if it's a directory.
3196 * In that case add a slash to speed up typing long paths
3198 if (stat(file, &sb) == 0 && S_ISDIR(sb.st_mode)) {
3199 pstrcat(file, sizeof(file), "/");
3201 readline_add_completion(mon->rs, file);
3207 static const char *next_arg_type(const char *typestr)
3209 const char *p = strchr(typestr, ':');
3210 return (p != NULL ? ++p : typestr);
3213 static void add_completion_option(ReadLineState *rs, const char *str,
3216 if (!str || !option) {
3219 if (!strncmp(option, str, strlen(str))) {
3220 readline_add_completion(rs, option);
3224 void chardev_add_completion(ReadLineState *rs, int nb_args, const char *str)
3227 ChardevBackendInfoList *list, *start;
3233 readline_set_completion_index(rs, len);
3235 start = list = qmp_query_chardev_backends(NULL);
3237 const char *chr_name = list->value->name;
3239 if (!strncmp(chr_name, str, len)) {
3240 readline_add_completion(rs, chr_name);
3244 qapi_free_ChardevBackendInfoList(start);
3247 void netdev_add_completion(ReadLineState *rs, int nb_args, const char *str)
3256 readline_set_completion_index(rs, len);
3257 for (i = 0; i < NET_CLIENT_DRIVER__MAX; i++) {
3258 add_completion_option(rs, str, NetClientDriver_str(i));
3262 void device_add_completion(ReadLineState *rs, int nb_args, const char *str)
3272 readline_set_completion_index(rs, len);
3273 list = elt = object_class_get_list(TYPE_DEVICE, false);
3276 DeviceClass *dc = OBJECT_CLASS_CHECK(DeviceClass, elt->data,
3278 name = object_class_get_name(OBJECT_CLASS(dc));
3280 if (dc->user_creatable
3281 && !strncmp(name, str, len)) {
3282 readline_add_completion(rs, name);
3289 void object_add_completion(ReadLineState *rs, int nb_args, const char *str)
3299 readline_set_completion_index(rs, len);
3300 list = elt = object_class_get_list(TYPE_USER_CREATABLE, false);
3304 name = object_class_get_name(OBJECT_CLASS(elt->data));
3305 if (!strncmp(name, str, len) && strcmp(name, TYPE_USER_CREATABLE)) {
3306 readline_add_completion(rs, name);
3313 static void peripheral_device_del_completion(ReadLineState *rs,
3314 const char *str, size_t len)
3316 Object *peripheral = container_get(qdev_get_machine(), "/peripheral");
3317 GSList *list, *item;
3319 list = qdev_build_hotpluggable_device_list(peripheral);
3324 for (item = list; item; item = g_slist_next(item)) {
3325 DeviceState *dev = item->data;
3327 if (dev->id && !strncmp(str, dev->id, len)) {
3328 readline_add_completion(rs, dev->id);
3335 void chardev_remove_completion(ReadLineState *rs, int nb_args, const char *str)
3338 ChardevInfoList *list, *start;
3344 readline_set_completion_index(rs, len);
3346 start = list = qmp_query_chardev(NULL);
3348 ChardevInfo *chr = list->value;
3350 if (!strncmp(chr->label, str, len)) {
3351 readline_add_completion(rs, chr->label);
3355 qapi_free_ChardevInfoList(start);
3358 static void ringbuf_completion(ReadLineState *rs, const char *str)
3361 ChardevInfoList *list, *start;
3364 readline_set_completion_index(rs, len);
3366 start = list = qmp_query_chardev(NULL);
3368 ChardevInfo *chr_info = list->value;
3370 if (!strncmp(chr_info->label, str, len)) {
3371 Chardev *chr = qemu_chr_find(chr_info->label);
3372 if (chr && CHARDEV_IS_RINGBUF(chr)) {
3373 readline_add_completion(rs, chr_info->label);
3378 qapi_free_ChardevInfoList(start);
3381 void ringbuf_write_completion(ReadLineState *rs, int nb_args, const char *str)
3386 ringbuf_completion(rs, str);
3389 void device_del_completion(ReadLineState *rs, int nb_args, const char *str)
3398 readline_set_completion_index(rs, len);
3399 peripheral_device_del_completion(rs, str, len);
3402 void object_del_completion(ReadLineState *rs, int nb_args, const char *str)
3404 ObjectPropertyInfoList *list, *start;
3411 readline_set_completion_index(rs, len);
3413 start = list = qmp_qom_list("/objects", NULL);
3415 ObjectPropertyInfo *info = list->value;
3417 if (!strncmp(info->type, "child<", 5)
3418 && !strncmp(info->name, str, len)) {
3419 readline_add_completion(rs, info->name);
3423 qapi_free_ObjectPropertyInfoList(start);
3426 void sendkey_completion(ReadLineState *rs, int nb_args, const char *str)
3435 sep = strrchr(str, '-');
3440 readline_set_completion_index(rs, len);
3441 for (i = 0; i < Q_KEY_CODE__MAX; i++) {
3442 if (!strncmp(str, QKeyCode_str(i), len)) {
3443 readline_add_completion(rs, QKeyCode_str(i));
3448 void set_link_completion(ReadLineState *rs, int nb_args, const char *str)
3453 readline_set_completion_index(rs, len);
3455 NetClientState *ncs[MAX_QUEUE_NUM];
3457 count = qemu_find_net_clients_except(NULL, ncs,
3458 NET_CLIENT_DRIVER_NONE,
3460 for (i = 0; i < MIN(count, MAX_QUEUE_NUM); i++) {
3461 const char *name = ncs[i]->name;
3462 if (!strncmp(str, name, len)) {
3463 readline_add_completion(rs, name);
3466 } else if (nb_args == 3) {
3467 add_completion_option(rs, str, "on");
3468 add_completion_option(rs, str, "off");
3472 void netdev_del_completion(ReadLineState *rs, int nb_args, const char *str)
3475 NetClientState *ncs[MAX_QUEUE_NUM];
3482 readline_set_completion_index(rs, len);
3483 count = qemu_find_net_clients_except(NULL, ncs, NET_CLIENT_DRIVER_NIC,
3485 for (i = 0; i < MIN(count, MAX_QUEUE_NUM); i++) {
3487 const char *name = ncs[i]->name;
3488 if (strncmp(str, name, len)) {
3491 opts = qemu_opts_find(qemu_find_opts_err("netdev", NULL), name);
3493 readline_add_completion(rs, name);
3498 void info_trace_events_completion(ReadLineState *rs, int nb_args, const char *str)
3503 readline_set_completion_index(rs, len);
3505 TraceEventIter iter;
3507 char *pattern = g_strdup_printf("%s*", str);
3508 trace_event_iter_init(&iter, pattern);
3509 while ((ev = trace_event_iter_next(&iter)) != NULL) {
3510 readline_add_completion(rs, trace_event_get_name(ev));
3516 void trace_event_completion(ReadLineState *rs, int nb_args, const char *str)
3521 readline_set_completion_index(rs, len);
3523 TraceEventIter iter;
3525 char *pattern = g_strdup_printf("%s*", str);
3526 trace_event_iter_init(&iter, pattern);
3527 while ((ev = trace_event_iter_next(&iter)) != NULL) {
3528 readline_add_completion(rs, trace_event_get_name(ev));
3531 } else if (nb_args == 3) {
3532 add_completion_option(rs, str, "on");
3533 add_completion_option(rs, str, "off");
3537 void watchdog_action_completion(ReadLineState *rs, int nb_args, const char *str)
3544 readline_set_completion_index(rs, strlen(str));
3545 for (i = 0; i < WATCHDOG_ACTION__MAX; i++) {
3546 add_completion_option(rs, str, WatchdogAction_str(i));
3550 void migrate_set_capability_completion(ReadLineState *rs, int nb_args,
3556 readline_set_completion_index(rs, len);
3559 for (i = 0; i < MIGRATION_CAPABILITY__MAX; i++) {
3560 const char *name = MigrationCapability_str(i);
3561 if (!strncmp(str, name, len)) {
3562 readline_add_completion(rs, name);
3565 } else if (nb_args == 3) {
3566 add_completion_option(rs, str, "on");
3567 add_completion_option(rs, str, "off");
3571 void migrate_set_parameter_completion(ReadLineState *rs, int nb_args,
3577 readline_set_completion_index(rs, len);
3580 for (i = 0; i < MIGRATION_PARAMETER__MAX; i++) {
3581 const char *name = MigrationParameter_str(i);
3582 if (!strncmp(str, name, len)) {
3583 readline_add_completion(rs, name);
3589 void host_net_add_completion(ReadLineState *rs, int nb_args, const char *str)
3597 readline_set_completion_index(rs, len);
3598 for (i = 0; host_net_devices[i]; i++) {
3599 if (!strncmp(host_net_devices[i], str, len)) {
3600 readline_add_completion(rs, host_net_devices[i]);
3605 void host_net_remove_completion(ReadLineState *rs, int nb_args, const char *str)
3607 NetClientState *ncs[MAX_QUEUE_NUM];
3611 readline_set_completion_index(rs, len);
3613 count = qemu_find_net_clients_except(NULL, ncs,
3614 NET_CLIENT_DRIVER_NONE,
3616 for (i = 0; i < MIN(count, MAX_QUEUE_NUM); i++) {
3620 if (net_hub_id_for_client(ncs[i], &id)) {
3623 snprintf(name, sizeof(name), "%d", id);
3624 if (!strncmp(str, name, len)) {
3625 readline_add_completion(rs, name);
3629 } else if (nb_args == 3) {
3630 count = qemu_find_net_clients_except(NULL, ncs,
3631 NET_CLIENT_DRIVER_NIC,
3633 for (i = 0; i < MIN(count, MAX_QUEUE_NUM); i++) {
3637 if (ncs[i]->info->type == NET_CLIENT_DRIVER_HUBPORT ||
3638 net_hub_id_for_client(ncs[i], &id)) {
3641 name = ncs[i]->name;
3642 if (!strncmp(str, name, len)) {
3643 readline_add_completion(rs, name);
3650 static void vm_completion(ReadLineState *rs, const char *str)
3653 BlockDriverState *bs;
3654 BdrvNextIterator it;
3657 readline_set_completion_index(rs, len);
3659 for (bs = bdrv_first(&it); bs; bs = bdrv_next(&it)) {
3660 SnapshotInfoList *snapshots, *snapshot;
3661 AioContext *ctx = bdrv_get_aio_context(bs);
3664 aio_context_acquire(ctx);
3665 if (bdrv_can_snapshot(bs)) {
3666 ok = bdrv_query_snapshot_info_list(bs, &snapshots, NULL) == 0;
3668 aio_context_release(ctx);
3673 snapshot = snapshots;
3675 char *completion = snapshot->value->name;
3676 if (!strncmp(str, completion, len)) {
3677 readline_add_completion(rs, completion);
3679 completion = snapshot->value->id;
3680 if (!strncmp(str, completion, len)) {
3681 readline_add_completion(rs, completion);
3683 snapshot = snapshot->next;
3685 qapi_free_SnapshotInfoList(snapshots);
3690 void delvm_completion(ReadLineState *rs, int nb_args, const char *str)
3693 vm_completion(rs, str);
3697 void loadvm_completion(ReadLineState *rs, int nb_args, const char *str)
3700 vm_completion(rs, str);
3704 static void monitor_find_completion_by_table(Monitor *mon,
3705 const mon_cmd_t *cmd_table,
3709 const char *cmdname;
3711 const char *ptype, *str, *name;
3712 const mon_cmd_t *cmd;
3713 BlockBackend *blk = NULL;
3716 /* command completion */
3721 readline_set_completion_index(mon->rs, strlen(cmdname));
3722 for (cmd = cmd_table; cmd->name != NULL; cmd++) {
3723 cmd_completion(mon, cmdname, cmd->name);
3726 /* find the command */
3727 for (cmd = cmd_table; cmd->name != NULL; cmd++) {
3728 if (compare_cmd(args[0], cmd->name)) {
3736 if (cmd->sub_table) {
3737 /* do the job again */
3738 monitor_find_completion_by_table(mon, cmd->sub_table,
3739 &args[1], nb_args - 1);
3742 if (cmd->command_completion) {
3743 cmd->command_completion(mon->rs, nb_args, args[nb_args - 1]);
3747 ptype = next_arg_type(cmd->args_type);
3748 for(i = 0; i < nb_args - 2; i++) {
3749 if (*ptype != '\0') {
3750 ptype = next_arg_type(ptype);
3751 while (*ptype == '?')
3752 ptype = next_arg_type(ptype);
3755 str = args[nb_args - 1];
3756 while (*ptype == '-' && ptype[1] != '\0') {
3757 ptype = next_arg_type(ptype);
3761 /* file completion */
3762 readline_set_completion_index(mon->rs, strlen(str));
3763 file_completion(mon, str);
3766 /* block device name completion */
3767 readline_set_completion_index(mon->rs, strlen(str));
3768 while ((blk = blk_next(blk)) != NULL) {
3769 name = blk_name(blk);
3770 if (str[0] == '\0' ||
3771 !strncmp(name, str, strlen(str))) {
3772 readline_add_completion(mon->rs, name);
3778 if (!strcmp(cmd->name, "help|?")) {
3779 monitor_find_completion_by_table(mon, cmd_table,
3780 &args[1], nb_args - 1);
3789 static void monitor_find_completion(void *opaque,
3790 const char *cmdline)
3792 Monitor *mon = opaque;
3793 char *args[MAX_ARGS];
3796 /* 1. parse the cmdline */
3797 if (parse_cmdline(cmdline, &nb_args, args) < 0) {
3801 /* if the line ends with a space, it means we want to complete the
3803 len = strlen(cmdline);
3804 if (len > 0 && qemu_isspace(cmdline[len - 1])) {
3805 if (nb_args >= MAX_ARGS) {
3808 args[nb_args++] = g_strdup("");
3811 /* 2. auto complete according to args */
3812 monitor_find_completion_by_table(mon, mon->cmd_table, args, nb_args);
3815 free_cmdline_args(args, nb_args);
3818 static int monitor_can_read(void *opaque)
3820 Monitor *mon = opaque;
3822 return (mon->suspend_cnt == 0) ? 1 : 0;
3825 static void handle_qmp_command(JSONMessageParser *parser, GQueue *tokens)
3827 QObject *req, *rsp = NULL, *id = NULL;
3828 QDict *qdict = NULL;
3829 Monitor *mon = cur_mon;
3832 req = json_parser_parse_err(tokens, NULL, &err);
3834 /* json_parser_parse_err() sucks: can fail without setting @err */
3835 error_setg(&err, QERR_JSON_PARSING);
3841 qdict = qobject_to_qdict(req);
3843 id = qdict_get(qdict, "id");
3845 qdict_del(qdict, "id");
3846 } /* else will fail qmp_dispatch() */
3848 if (trace_event_get_state_backends(TRACE_HANDLE_QMP_COMMAND)) {
3849 QString *req_json = qobject_to_json(req);
3850 trace_handle_qmp_command(mon, qstring_get_str(req_json));
3854 rsp = qmp_dispatch(cur_mon->qmp.commands, req);
3856 if (mon->qmp.commands == &qmp_cap_negotiation_commands) {
3857 qdict = qdict_get_qdict(qobject_to_qdict(rsp), "error");
3859 && !g_strcmp0(qdict_get_try_str(qdict, "class"),
3860 QapiErrorClass_str(ERROR_CLASS_COMMAND_NOT_FOUND))) {
3861 /* Provide a more useful error message */
3862 qdict_del(qdict, "desc");
3863 qdict_put_str(qdict, "desc", "Expecting capabilities negotiation"
3864 " with 'qmp_capabilities'");
3870 qdict = qdict_new();
3871 qdict_put_obj(qdict, "error", qmp_build_error_object(err));
3873 rsp = QOBJECT(qdict);
3878 qdict_put_obj(qobject_to_qdict(rsp), "id", id);
3882 monitor_json_emitter(mon, rsp);
3886 qobject_decref(rsp);
3887 qobject_decref(req);
3890 static void monitor_qmp_read(void *opaque, const uint8_t *buf, int size)
3892 Monitor *old_mon = cur_mon;
3896 json_message_parser_feed(&cur_mon->qmp.parser, (const char *) buf, size);
3901 static void monitor_read(void *opaque, const uint8_t *buf, int size)
3903 Monitor *old_mon = cur_mon;
3909 for (i = 0; i < size; i++)
3910 readline_handle_byte(cur_mon->rs, buf[i]);
3912 if (size == 0 || buf[size - 1] != 0)
3913 monitor_printf(cur_mon, "corrupted command\n");
3915 handle_hmp_command(cur_mon, (char *)buf);
3921 static void monitor_command_cb(void *opaque, const char *cmdline,
3922 void *readline_opaque)
3924 Monitor *mon = opaque;
3926 monitor_suspend(mon);
3927 handle_hmp_command(mon, cmdline);
3928 monitor_resume(mon);
3931 int monitor_suspend(Monitor *mon)
3939 void monitor_resume(Monitor *mon)
3943 if (--mon->suspend_cnt == 0)
3944 readline_show_prompt(mon->rs);
3947 static QObject *get_qmp_greeting(void)
3949 QObject *ver = NULL;
3951 qmp_marshal_query_version(NULL, &ver, NULL);
3953 return qobject_from_jsonf("{'QMP': {'version': %p, 'capabilities': []}}",
3957 static void monitor_qmp_event(void *opaque, int event)
3960 Monitor *mon = opaque;
3963 case CHR_EVENT_OPENED:
3964 mon->qmp.commands = &qmp_cap_negotiation_commands;
3965 data = get_qmp_greeting();
3966 monitor_json_emitter(mon, data);
3967 qobject_decref(data);
3970 case CHR_EVENT_CLOSED:
3971 json_message_parser_destroy(&mon->qmp.parser);
3972 json_message_parser_init(&mon->qmp.parser, handle_qmp_command);
3974 monitor_fdsets_cleanup();
3979 static void monitor_event(void *opaque, int event)
3981 Monitor *mon = opaque;
3984 case CHR_EVENT_MUX_IN:
3985 qemu_mutex_lock(&mon->out_lock);
3987 qemu_mutex_unlock(&mon->out_lock);
3988 if (mon->reset_seen) {
3989 readline_restart(mon->rs);
3990 monitor_resume(mon);
3993 mon->suspend_cnt = 0;
3997 case CHR_EVENT_MUX_OUT:
3998 if (mon->reset_seen) {
3999 if (mon->suspend_cnt == 0) {
4000 monitor_printf(mon, "\n");
4003 monitor_suspend(mon);
4007 qemu_mutex_lock(&mon->out_lock);
4009 qemu_mutex_unlock(&mon->out_lock);
4012 case CHR_EVENT_OPENED:
4013 monitor_printf(mon, "QEMU %s monitor - type 'help' for more "
4014 "information\n", QEMU_VERSION);
4015 if (!mon->mux_out) {
4016 readline_restart(mon->rs);
4017 readline_show_prompt(mon->rs);
4019 mon->reset_seen = 1;
4023 case CHR_EVENT_CLOSED:
4025 monitor_fdsets_cleanup();
4031 compare_mon_cmd(const void *a, const void *b)
4033 return strcmp(((const mon_cmd_t *)a)->name,
4034 ((const mon_cmd_t *)b)->name);
4037 static void sortcmdlist(void)
4040 int elem_size = sizeof(mon_cmd_t);
4042 array_num = sizeof(mon_cmds)/elem_size-1;
4043 qsort((void *)mon_cmds, array_num, elem_size, compare_mon_cmd);
4045 array_num = sizeof(info_cmds)/elem_size-1;
4046 qsort((void *)info_cmds, array_num, elem_size, compare_mon_cmd);
4049 /* These functions just adapt the readline interface in a typesafe way. We
4050 * could cast function pointers but that discards compiler checks.
4052 static void GCC_FMT_ATTR(2, 3) monitor_readline_printf(void *opaque,
4053 const char *fmt, ...)
4057 monitor_vprintf(opaque, fmt, ap);
4061 static void monitor_readline_flush(void *opaque)
4063 monitor_flush(opaque);
4067 * Print to current monitor if we have one, else to stderr.
4068 * TODO should return int, so callers can calculate width, but that
4069 * requires surgery to monitor_vprintf(). Left for another day.
4071 void error_vprintf(const char *fmt, va_list ap)
4073 if (cur_mon && !monitor_cur_is_qmp()) {
4074 monitor_vprintf(cur_mon, fmt, ap);
4076 vfprintf(stderr, fmt, ap);
4080 void error_vprintf_unless_qmp(const char *fmt, va_list ap)
4082 if (cur_mon && !monitor_cur_is_qmp()) {
4083 monitor_vprintf(cur_mon, fmt, ap);
4084 } else if (!cur_mon) {
4085 vfprintf(stderr, fmt, ap);
4089 static void __attribute__((constructor)) monitor_lock_init(void)
4091 qemu_mutex_init(&monitor_lock);
4094 void monitor_init(Chardev *chr, int flags)
4096 static int is_first_init = 1;
4099 if (is_first_init) {
4100 monitor_qapi_event_init();
4105 mon = g_malloc(sizeof(*mon));
4106 monitor_data_init(mon);
4108 qemu_chr_fe_init(&mon->chr, chr, &error_abort);
4110 if (flags & MONITOR_USE_READLINE) {
4111 mon->rs = readline_init(monitor_readline_printf,
4112 monitor_readline_flush,
4114 monitor_find_completion);
4115 monitor_read_command(mon, 0);
4118 if (monitor_is_qmp(mon)) {
4119 qemu_chr_fe_set_handlers(&mon->chr, monitor_can_read, monitor_qmp_read,
4120 monitor_qmp_event, NULL, mon, NULL, true);
4121 qemu_chr_fe_set_echo(&mon->chr, true);
4122 json_message_parser_init(&mon->qmp.parser, handle_qmp_command);
4124 qemu_chr_fe_set_handlers(&mon->chr, monitor_can_read, monitor_read,
4125 monitor_event, NULL, mon, NULL, true);
4128 qemu_mutex_lock(&monitor_lock);
4129 QLIST_INSERT_HEAD(&mon_list, mon, entry);
4130 qemu_mutex_unlock(&monitor_lock);
4133 void monitor_cleanup(void)
4135 Monitor *mon, *next;
4137 qemu_mutex_lock(&monitor_lock);
4138 QLIST_FOREACH_SAFE(mon, &mon_list, entry, next) {
4139 QLIST_REMOVE(mon, entry);
4140 monitor_data_destroy(mon);
4143 qemu_mutex_unlock(&monitor_lock);
4146 QemuOptsList qemu_mon_opts = {
4148 .implied_opt_name = "chardev",
4149 .head = QTAILQ_HEAD_INITIALIZER(qemu_mon_opts.head),
4153 .type = QEMU_OPT_STRING,
4156 .type = QEMU_OPT_STRING,
4158 .name = "default", /* deprecated */
4159 .type = QEMU_OPT_BOOL,
4162 .type = QEMU_OPT_BOOL,
4164 { /* end of list */ }
4169 void qmp_rtc_reset_reinjection(Error **errp)
4171 error_setg(errp, QERR_FEATURE_DISABLED, "rtc-reset-reinjection");
4175 #ifndef TARGET_S390X
4176 void qmp_dump_skeys(const char *filename, Error **errp)
4178 error_setg(errp, QERR_FEATURE_DISABLED, "dump-skeys");
4183 GICCapabilityList *qmp_query_gic_capabilities(Error **errp)
4185 error_setg(errp, QERR_FEATURE_DISABLED, "query-gic-capabilities");
4190 HotpluggableCPUList *qmp_query_hotpluggable_cpus(Error **errp)
4192 MachineState *ms = MACHINE(qdev_get_machine());
4193 MachineClass *mc = MACHINE_GET_CLASS(ms);
4195 if (!mc->has_hotpluggable_cpus) {
4196 error_setg(errp, QERR_FEATURE_DISABLED, "query-hotpluggable-cpus");
4200 return machine_query_hotpluggable_cpus(ms);