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/qdict.h"
56 #include "qapi/qmp/qerror.h"
57 #include "qapi/qmp/qbool.h"
58 #include "qapi/qmp/qnum.h"
59 #include "qapi/qmp/qstring.h"
60 #include "qapi/qmp/qjson.h"
61 #include "qapi/qmp/json-streamer.h"
62 #include "qapi/qmp/json-parser.h"
63 #include "qom/object_interfaces.h"
64 #include "trace-root.h"
65 #include "trace/control.h"
66 #include "monitor/hmp-target.h"
67 #ifdef CONFIG_TRACE_SIMPLE
68 #include "trace/simple.h"
70 #include "exec/memory.h"
71 #include "exec/exec-all.h"
73 #include "qmp-commands.h"
75 #include "qemu/thread.h"
76 #include "block/qapi.h"
77 #include "qapi/error.h"
78 #include "qapi/qmp-event.h"
79 #include "qapi-event.h"
80 #include "qmp-introspect.h"
81 #include "sysemu/qtest.h"
82 #include "sysemu/cpus.h"
83 #include "qemu/cutils.h"
84 #include "qapi/qmp/dispatch.h"
86 #if defined(TARGET_S390X)
87 #include "hw/s390x/storage-keys.h"
88 #include "hw/s390x/storage-attributes.h"
95 * 'B' block device name
96 * 's' string (accept optional quote)
97 * 'S' it just appends the rest of the string (accept optional quote)
98 * 'O' option string of the form NAME=VALUE,...
99 * parsed according to QemuOptsList given by its name
100 * Example: 'device:O' uses qemu_device_opts.
101 * Restriction: only lists with empty desc are supported
102 * TODO lift the restriction
104 * 'l' target long (32 or 64 bit)
105 * 'M' Non-negative target long (32 or 64 bit), in user mode the
106 * value is multiplied by 2^20 (think Mebibyte)
107 * 'o' octets (aka bytes)
108 * user mode accepts an optional E, e, P, p, T, t, G, g, M, m,
109 * K, k suffix, which multiplies the value by 2^60 for suffixes E
110 * and e, 2^50 for suffixes P and p, 2^40 for suffixes T and t,
111 * 2^30 for suffixes G and g, 2^20 for M and m, 2^10 for K and k
113 * user mode accepts an optional ms, us, ns suffix,
114 * which divides the value by 1e3, 1e6, 1e9, respectively
115 * '/' optional gdb-like print format (like "/10x")
117 * '?' optional type (for all types, except '/')
118 * '.' other form of optional type (for 'i' and 'l')
120 * user mode accepts "on" or "off"
121 * '-' optional parameter (eg. '-f')
125 typedef struct mon_cmd_t {
127 const char *args_type;
130 void (*cmd)(Monitor *mon, const QDict *qdict);
131 /* @sub_table is a list of 2nd level of commands. If it does not exist,
132 * cmd should be used. If it exists, sub_table[?].cmd should be
133 * used, and cmd of 1st level plays the role of help function.
135 struct mon_cmd_t *sub_table;
136 void (*command_completion)(ReadLineState *rs, int nb_args, const char *str);
139 /* file descriptors passed via SCM_RIGHTS */
140 typedef struct mon_fd_t mon_fd_t;
144 QLIST_ENTRY(mon_fd_t) next;
147 /* file descriptor associated with a file descriptor set */
148 typedef struct MonFdsetFd MonFdsetFd;
153 QLIST_ENTRY(MonFdsetFd) next;
156 /* file descriptor set containing fds passed via SCM_RIGHTS */
157 typedef struct MonFdset MonFdset;
160 QLIST_HEAD(, MonFdsetFd) fds;
161 QLIST_HEAD(, MonFdsetFd) dup_fds;
162 QLIST_ENTRY(MonFdset) next;
166 JSONMessageParser parser;
168 * When a client connects, we're in capabilities negotiation mode.
169 * When command qmp_capabilities succeeds, we go into command
172 QmpCommandList *commands;
176 * To prevent flooding clients, events can be throttled. The
177 * throttling is calculated globally, rather than per-Monitor
180 typedef struct MonitorQAPIEventState {
181 QAPIEvent event; /* Throttling state for this event type and... */
182 QDict *data; /* ... data, see qapi_event_throttle_equal() */
183 QEMUTimer *timer; /* Timer for handling delayed events */
184 QDict *qdict; /* Delayed event (if any) */
185 } MonitorQAPIEventState;
188 int64_t rate; /* Minimum time (in ns) between two events */
189 } MonitorQAPIEventConf;
202 /* Read under either BQL or out_lock, written with BQL+out_lock. */
208 BlockCompletionFunc *password_completion_cb;
209 void *password_opaque;
210 mon_cmd_t *cmd_table;
211 QLIST_HEAD(,mon_fd_t) fds;
212 QLIST_ENTRY(Monitor) entry;
215 /* QMP checker flags */
216 #define QMP_ACCEPT_UNKNOWNS 1
218 /* Protects mon_list, monitor_event_state. */
219 static QemuMutex monitor_lock;
221 static QLIST_HEAD(mon_list, Monitor) mon_list;
222 static QLIST_HEAD(mon_fdsets, MonFdset) mon_fdsets;
223 static int mon_refcount;
225 static mon_cmd_t mon_cmds[];
226 static mon_cmd_t info_cmds[];
228 QmpCommandList qmp_commands, qmp_cap_negotiation_commands;
232 static QEMUClockType event_clock_type = QEMU_CLOCK_REALTIME;
234 static void monitor_command_cb(void *opaque, const char *cmdline,
235 void *readline_opaque);
238 * Is @mon a QMP monitor?
240 static inline bool monitor_is_qmp(const Monitor *mon)
242 return (mon->flags & MONITOR_USE_CONTROL);
246 * Is the current monitor, if any, a QMP monitor?
248 bool monitor_cur_is_qmp(void)
250 return cur_mon && monitor_is_qmp(cur_mon);
253 void monitor_read_command(Monitor *mon, int show_prompt)
258 readline_start(mon->rs, "(qemu) ", 0, monitor_command_cb, NULL);
260 readline_show_prompt(mon->rs);
263 int monitor_read_password(Monitor *mon, ReadLineFunc *readline_func,
267 readline_start(mon->rs, "Password: ", 1, readline_func, opaque);
268 /* prompt is printed on return from the command handler */
271 monitor_printf(mon, "terminal does not support password prompting\n");
276 static void monitor_flush_locked(Monitor *mon);
278 static gboolean monitor_unblocked(GIOChannel *chan, GIOCondition cond,
281 Monitor *mon = opaque;
283 qemu_mutex_lock(&mon->out_lock);
285 monitor_flush_locked(mon);
286 qemu_mutex_unlock(&mon->out_lock);
290 /* Called with mon->out_lock held. */
291 static void monitor_flush_locked(Monitor *mon)
297 if (mon->skip_flush) {
301 buf = qstring_get_str(mon->outbuf);
302 len = qstring_get_length(mon->outbuf);
304 if (len && !mon->mux_out) {
305 rc = qemu_chr_fe_write(&mon->chr, (const uint8_t *) buf, len);
306 if ((rc < 0 && errno != EAGAIN) || (rc == len)) {
307 /* all flushed or error */
308 QDECREF(mon->outbuf);
309 mon->outbuf = qstring_new();
314 QString *tmp = qstring_from_str(buf + rc);
315 QDECREF(mon->outbuf);
318 if (mon->out_watch == 0) {
320 qemu_chr_fe_add_watch(&mon->chr, G_IO_OUT | G_IO_HUP,
321 monitor_unblocked, mon);
326 void monitor_flush(Monitor *mon)
328 qemu_mutex_lock(&mon->out_lock);
329 monitor_flush_locked(mon);
330 qemu_mutex_unlock(&mon->out_lock);
333 /* flush at every end of line */
334 static void monitor_puts(Monitor *mon, const char *str)
338 qemu_mutex_lock(&mon->out_lock);
344 qstring_append_chr(mon->outbuf, '\r');
346 qstring_append_chr(mon->outbuf, c);
348 monitor_flush_locked(mon);
351 qemu_mutex_unlock(&mon->out_lock);
354 void monitor_vprintf(Monitor *mon, const char *fmt, va_list ap)
361 if (monitor_is_qmp(mon)) {
365 buf = g_strdup_vprintf(fmt, ap);
366 monitor_puts(mon, buf);
370 void monitor_printf(Monitor *mon, const char *fmt, ...)
374 monitor_vprintf(mon, fmt, ap);
378 int monitor_fprintf(FILE *stream, const char *fmt, ...)
382 monitor_vprintf((Monitor *)stream, fmt, ap);
387 static void monitor_json_emitter(Monitor *mon, const QObject *data)
391 json = mon->flags & MONITOR_USE_PRETTY ? qobject_to_json_pretty(data) :
392 qobject_to_json(data);
393 assert(json != NULL);
395 qstring_append_chr(json, '\n');
396 monitor_puts(mon, qstring_get_str(json));
401 static MonitorQAPIEventConf monitor_qapi_event_conf[QAPI_EVENT__MAX] = {
402 /* Limit guest-triggerable events to 1 per second */
403 [QAPI_EVENT_RTC_CHANGE] = { 1000 * SCALE_MS },
404 [QAPI_EVENT_WATCHDOG] = { 1000 * SCALE_MS },
405 [QAPI_EVENT_BALLOON_CHANGE] = { 1000 * SCALE_MS },
406 [QAPI_EVENT_QUORUM_REPORT_BAD] = { 1000 * SCALE_MS },
407 [QAPI_EVENT_QUORUM_FAILURE] = { 1000 * SCALE_MS },
408 [QAPI_EVENT_VSERPORT_CHANGE] = { 1000 * SCALE_MS },
411 GHashTable *monitor_qapi_event_state;
414 * Emits the event to every monitor instance, @event is only used for trace
415 * Called with monitor_lock held.
417 static void monitor_qapi_event_emit(QAPIEvent event, QDict *qdict)
421 trace_monitor_protocol_event_emit(event, qdict);
422 QLIST_FOREACH(mon, &mon_list, entry) {
423 if (monitor_is_qmp(mon)
424 && mon->qmp.commands != &qmp_cap_negotiation_commands) {
425 monitor_json_emitter(mon, QOBJECT(qdict));
430 static void monitor_qapi_event_handler(void *opaque);
433 * Queue a new event for emission to Monitor instances,
434 * applying any rate limiting if required.
437 monitor_qapi_event_queue(QAPIEvent event, QDict *qdict, Error **errp)
439 MonitorQAPIEventConf *evconf;
440 MonitorQAPIEventState *evstate;
442 assert(event < QAPI_EVENT__MAX);
443 evconf = &monitor_qapi_event_conf[event];
444 trace_monitor_protocol_event_queue(event, qdict, evconf->rate);
446 qemu_mutex_lock(&monitor_lock);
449 /* Unthrottled event */
450 monitor_qapi_event_emit(event, qdict);
452 QDict *data = qobject_to_qdict(qdict_get(qdict, "data"));
453 MonitorQAPIEventState key = { .event = event, .data = data };
455 evstate = g_hash_table_lookup(monitor_qapi_event_state, &key);
456 assert(!evstate || timer_pending(evstate->timer));
460 * Timer is pending for (at least) evconf->rate ns after
461 * last send. Store event for sending when timer fires,
462 * replacing a prior stored event if any.
464 QDECREF(evstate->qdict);
465 evstate->qdict = qdict;
466 QINCREF(evstate->qdict);
469 * Last send was (at least) evconf->rate ns ago.
470 * Send immediately, and arm the timer to call
471 * monitor_qapi_event_handler() in evconf->rate ns. Any
472 * events arriving before then will be delayed until then.
474 int64_t now = qemu_clock_get_ns(event_clock_type);
476 monitor_qapi_event_emit(event, qdict);
478 evstate = g_new(MonitorQAPIEventState, 1);
479 evstate->event = event;
480 evstate->data = data;
481 QINCREF(evstate->data);
482 evstate->qdict = NULL;
483 evstate->timer = timer_new_ns(event_clock_type,
484 monitor_qapi_event_handler,
486 g_hash_table_add(monitor_qapi_event_state, evstate);
487 timer_mod_ns(evstate->timer, now + evconf->rate);
491 qemu_mutex_unlock(&monitor_lock);
495 * This function runs evconf->rate ns after sending a throttled
497 * If another event has since been stored, send it.
499 static void monitor_qapi_event_handler(void *opaque)
501 MonitorQAPIEventState *evstate = opaque;
502 MonitorQAPIEventConf *evconf = &monitor_qapi_event_conf[evstate->event];
504 trace_monitor_protocol_event_handler(evstate->event, evstate->qdict);
505 qemu_mutex_lock(&monitor_lock);
507 if (evstate->qdict) {
508 int64_t now = qemu_clock_get_ns(event_clock_type);
510 monitor_qapi_event_emit(evstate->event, evstate->qdict);
511 QDECREF(evstate->qdict);
512 evstate->qdict = NULL;
513 timer_mod_ns(evstate->timer, now + evconf->rate);
515 g_hash_table_remove(monitor_qapi_event_state, evstate);
516 QDECREF(evstate->data);
517 timer_free(evstate->timer);
521 qemu_mutex_unlock(&monitor_lock);
524 static unsigned int qapi_event_throttle_hash(const void *key)
526 const MonitorQAPIEventState *evstate = key;
527 unsigned int hash = evstate->event * 255;
529 if (evstate->event == QAPI_EVENT_VSERPORT_CHANGE) {
530 hash += g_str_hash(qdict_get_str(evstate->data, "id"));
533 if (evstate->event == QAPI_EVENT_QUORUM_REPORT_BAD) {
534 hash += g_str_hash(qdict_get_str(evstate->data, "node-name"));
540 static gboolean qapi_event_throttle_equal(const void *a, const void *b)
542 const MonitorQAPIEventState *eva = a;
543 const MonitorQAPIEventState *evb = b;
545 if (eva->event != evb->event) {
549 if (eva->event == QAPI_EVENT_VSERPORT_CHANGE) {
550 return !strcmp(qdict_get_str(eva->data, "id"),
551 qdict_get_str(evb->data, "id"));
554 if (eva->event == QAPI_EVENT_QUORUM_REPORT_BAD) {
555 return !strcmp(qdict_get_str(eva->data, "node-name"),
556 qdict_get_str(evb->data, "node-name"));
562 static void monitor_qapi_event_init(void)
564 if (qtest_enabled()) {
565 event_clock_type = QEMU_CLOCK_VIRTUAL;
568 monitor_qapi_event_state = g_hash_table_new(qapi_event_throttle_hash,
569 qapi_event_throttle_equal);
570 qmp_event_set_func_emit(monitor_qapi_event_queue);
573 static void handle_hmp_command(Monitor *mon, const char *cmdline);
575 static void monitor_data_init(Monitor *mon)
577 memset(mon, 0, sizeof(Monitor));
578 qemu_mutex_init(&mon->out_lock);
579 mon->outbuf = qstring_new();
580 /* Use *mon_cmds by default. */
581 mon->cmd_table = mon_cmds;
584 static void monitor_data_destroy(Monitor *mon)
586 g_free(mon->mon_cpu_path);
587 qemu_chr_fe_deinit(&mon->chr, false);
588 if (monitor_is_qmp(mon)) {
589 json_message_parser_destroy(&mon->qmp.parser);
591 readline_free(mon->rs);
592 QDECREF(mon->outbuf);
593 qemu_mutex_destroy(&mon->out_lock);
596 char *qmp_human_monitor_command(const char *command_line, bool has_cpu_index,
597 int64_t cpu_index, Error **errp)
600 Monitor *old_mon, hmp;
602 monitor_data_init(&hmp);
603 hmp.skip_flush = true;
609 int ret = monitor_set_cpu(cpu_index);
612 error_setg(errp, QERR_INVALID_PARAMETER_VALUE, "cpu-index",
618 handle_hmp_command(&hmp, command_line);
621 qemu_mutex_lock(&hmp.out_lock);
622 if (qstring_get_length(hmp.outbuf) > 0) {
623 output = g_strdup(qstring_get_str(hmp.outbuf));
625 output = g_strdup("");
627 qemu_mutex_unlock(&hmp.out_lock);
630 monitor_data_destroy(&hmp);
634 static int compare_cmd(const char *name, const char *list)
636 const char *p, *pstart;
644 p = pstart + strlen(pstart);
645 if ((p - pstart) == len && !memcmp(pstart, name, len))
654 static int get_str(char *buf, int buf_size, const char **pp)
662 while (qemu_isspace(*p)) {
673 while (*p != '\0' && *p != '\"') {
689 printf("unsupported escape code: '\\%c'\n", c);
692 if ((q - buf) < buf_size - 1) {
696 if ((q - buf) < buf_size - 1) {
703 printf("unterminated string\n");
708 while (*p != '\0' && !qemu_isspace(*p)) {
709 if ((q - buf) < buf_size - 1) {
722 static void free_cmdline_args(char **args, int nb_args)
726 assert(nb_args <= MAX_ARGS);
728 for (i = 0; i < nb_args; i++) {
735 * Parse the command line to get valid args.
736 * @cmdline: command line to be parsed.
737 * @pnb_args: location to store the number of args, must NOT be NULL.
738 * @args: location to store the args, which should be freed by caller, must
741 * Returns 0 on success, negative on failure.
743 * NOTE: this parser is an approximate form of the real command parser. Number
744 * of args have a limit of MAX_ARGS. If cmdline contains more, it will
745 * return with failure.
747 static int parse_cmdline(const char *cmdline,
748 int *pnb_args, char **args)
757 while (qemu_isspace(*p)) {
763 if (nb_args >= MAX_ARGS) {
766 ret = get_str(buf, sizeof(buf), &p);
770 args[nb_args] = g_strdup(buf);
777 free_cmdline_args(args, nb_args);
781 static void help_cmd_dump_one(Monitor *mon,
782 const mon_cmd_t *cmd,
788 for (i = 0; i < prefix_args_nb; i++) {
789 monitor_printf(mon, "%s ", prefix_args[i]);
791 monitor_printf(mon, "%s %s -- %s\n", cmd->name, cmd->params, cmd->help);
794 /* @args[@arg_index] is the valid command need to find in @cmds */
795 static void help_cmd_dump(Monitor *mon, const mon_cmd_t *cmds,
796 char **args, int nb_args, int arg_index)
798 const mon_cmd_t *cmd;
800 /* No valid arg need to compare with, dump all in *cmds */
801 if (arg_index >= nb_args) {
802 for (cmd = cmds; cmd->name != NULL; cmd++) {
803 help_cmd_dump_one(mon, cmd, args, arg_index);
808 /* Find one entry to dump */
809 for (cmd = cmds; cmd->name != NULL; cmd++) {
810 if (compare_cmd(args[arg_index], cmd->name)) {
811 if (cmd->sub_table) {
812 /* continue with next arg */
813 help_cmd_dump(mon, cmd->sub_table,
814 args, nb_args, arg_index + 1);
816 help_cmd_dump_one(mon, cmd, args, arg_index);
823 static void help_cmd(Monitor *mon, const char *name)
825 char *args[MAX_ARGS];
828 /* 1. parse user input */
830 /* special case for log, directly dump and return */
831 if (!strcmp(name, "log")) {
832 const QEMULogItem *item;
833 monitor_printf(mon, "Log items (comma separated):\n");
834 monitor_printf(mon, "%-10s %s\n", "none", "remove all logs");
835 for (item = qemu_log_items; item->mask != 0; item++) {
836 monitor_printf(mon, "%-10s %s\n", item->name, item->help);
841 if (parse_cmdline(name, &nb_args, args) < 0) {
846 /* 2. dump the contents according to parsed args */
847 help_cmd_dump(mon, mon->cmd_table, args, nb_args, 0);
849 free_cmdline_args(args, nb_args);
852 static void do_help_cmd(Monitor *mon, const QDict *qdict)
854 help_cmd(mon, qdict_get_try_str(qdict, "name"));
857 static void hmp_trace_event(Monitor *mon, const QDict *qdict)
859 const char *tp_name = qdict_get_str(qdict, "name");
860 bool new_state = qdict_get_bool(qdict, "option");
861 bool has_vcpu = qdict_haskey(qdict, "vcpu");
862 int vcpu = qdict_get_try_int(qdict, "vcpu", 0);
863 Error *local_err = NULL;
866 monitor_printf(mon, "argument vcpu must be positive");
870 qmp_trace_event_set_state(tp_name, new_state, true, true, has_vcpu, vcpu, &local_err);
872 error_report_err(local_err);
876 #ifdef CONFIG_TRACE_SIMPLE
877 static void hmp_trace_file(Monitor *mon, const QDict *qdict)
879 const char *op = qdict_get_try_str(qdict, "op");
880 const char *arg = qdict_get_try_str(qdict, "arg");
883 st_print_trace_file_status((FILE *)mon, &monitor_fprintf);
884 } else if (!strcmp(op, "on")) {
885 st_set_trace_file_enabled(true);
886 } else if (!strcmp(op, "off")) {
887 st_set_trace_file_enabled(false);
888 } else if (!strcmp(op, "flush")) {
889 st_flush_trace_buffer();
890 } else if (!strcmp(op, "set")) {
892 st_set_trace_file(arg);
895 monitor_printf(mon, "unexpected argument \"%s\"\n", op);
896 help_cmd(mon, "trace-file");
901 static void hmp_info_help(Monitor *mon, const QDict *qdict)
903 help_cmd(mon, "info");
906 static void query_commands_cb(QmpCommand *cmd, void *opaque)
908 CommandInfoList *info, **list = opaque;
914 info = g_malloc0(sizeof(*info));
915 info->value = g_malloc0(sizeof(*info->value));
916 info->value->name = g_strdup(cmd->name);
921 CommandInfoList *qmp_query_commands(Error **errp)
923 CommandInfoList *list = NULL;
925 qmp_for_each_command(cur_mon->qmp.commands, query_commands_cb, &list);
930 EventInfoList *qmp_query_events(Error **errp)
932 EventInfoList *info, *ev_list = NULL;
935 for (e = 0 ; e < QAPI_EVENT__MAX ; e++) {
936 const char *event_name = QAPIEvent_str(e);
937 assert(event_name != NULL);
938 info = g_malloc0(sizeof(*info));
939 info->value = g_malloc0(sizeof(*info->value));
940 info->value->name = g_strdup(event_name);
942 info->next = ev_list;
950 * Minor hack: generated marshalling suppressed for this command
951 * ('gen': false in the schema) so we can parse the JSON string
952 * directly into QObject instead of first parsing it with
953 * visit_type_SchemaInfoList() into a SchemaInfoList, then marshal it
954 * to QObject with generated output marshallers, every time. Instead,
955 * we do it in test-qobject-input-visitor.c, just to make sure
956 * qapi-introspect.py's output actually conforms to the schema.
958 static void qmp_query_qmp_schema(QDict *qdict, QObject **ret_data,
961 *ret_data = qobject_from_json(qmp_schema_json, &error_abort);
965 * We used to define commands in qmp-commands.hx in addition to the
966 * QAPI schema. This permitted defining some of them only in certain
967 * configurations. query-commands has always reflected that (good,
968 * because it lets QMP clients figure out what's actually available),
969 * while query-qmp-schema never did (not so good). This function is a
970 * hack to keep the configuration-specific commands defined exactly as
971 * before, even though qmp-commands.hx is gone.
973 * FIXME Educate the QAPI schema on configuration-specific commands,
974 * and drop this hack.
976 static void qmp_unregister_commands_hack(void)
979 qmp_unregister_command(&qmp_commands, "query-spice");
981 #ifndef CONFIG_REPLICATION
982 qmp_unregister_command(&qmp_commands, "xen-set-replication");
983 qmp_unregister_command(&qmp_commands, "query-xen-replication-status");
984 qmp_unregister_command(&qmp_commands, "xen-colo-do-checkpoint");
987 qmp_unregister_command(&qmp_commands, "rtc-reset-reinjection");
990 qmp_unregister_command(&qmp_commands, "dump-skeys");
993 qmp_unregister_command(&qmp_commands, "query-gic-capabilities");
995 #if !defined(TARGET_S390X) && !defined(TARGET_I386)
996 qmp_unregister_command(&qmp_commands, "query-cpu-model-expansion");
998 #if !defined(TARGET_S390X)
999 qmp_unregister_command(&qmp_commands, "query-cpu-model-baseline");
1000 qmp_unregister_command(&qmp_commands, "query-cpu-model-comparison");
1002 #if !defined(TARGET_PPC) && !defined(TARGET_ARM) && !defined(TARGET_I386) \
1003 && !defined(TARGET_S390X)
1004 qmp_unregister_command(&qmp_commands, "query-cpu-definitions");
1008 void monitor_init_qmp_commands(void)
1011 * Two command lists:
1012 * - qmp_commands contains all QMP commands
1013 * - qmp_cap_negotiation_commands contains just
1014 * "qmp_capabilities", to enforce capability negotiation
1017 qmp_init_marshal(&qmp_commands);
1019 qmp_register_command(&qmp_commands, "query-qmp-schema",
1020 qmp_query_qmp_schema,
1022 qmp_register_command(&qmp_commands, "device_add", qmp_device_add,
1024 qmp_register_command(&qmp_commands, "netdev_add", qmp_netdev_add,
1027 qmp_unregister_commands_hack();
1029 QTAILQ_INIT(&qmp_cap_negotiation_commands);
1030 qmp_register_command(&qmp_cap_negotiation_commands, "qmp_capabilities",
1031 qmp_marshal_qmp_capabilities, QCO_NO_OPTIONS);
1034 void qmp_qmp_capabilities(Error **errp)
1036 if (cur_mon->qmp.commands == &qmp_commands) {
1037 error_set(errp, ERROR_CLASS_COMMAND_NOT_FOUND,
1038 "Capabilities negotiation is already complete, command "
1043 cur_mon->qmp.commands = &qmp_commands;
1046 /* set the current CPU defined by the user */
1047 int monitor_set_cpu(int cpu_index)
1051 cpu = qemu_get_cpu(cpu_index);
1055 g_free(cur_mon->mon_cpu_path);
1056 cur_mon->mon_cpu_path = object_get_canonical_path(OBJECT(cpu));
1060 CPUState *mon_get_cpu(void)
1064 if (cur_mon->mon_cpu_path) {
1065 cpu = (CPUState *) object_resolve_path_type(cur_mon->mon_cpu_path,
1068 g_free(cur_mon->mon_cpu_path);
1069 cur_mon->mon_cpu_path = NULL;
1072 if (!cur_mon->mon_cpu_path) {
1076 monitor_set_cpu(first_cpu->cpu_index);
1079 cpu_synchronize_state(cpu);
1083 CPUArchState *mon_get_cpu_env(void)
1085 CPUState *cs = mon_get_cpu();
1087 return cs ? cs->env_ptr : NULL;
1090 int monitor_get_cpu_index(void)
1092 CPUState *cs = mon_get_cpu();
1094 return cs ? cs->cpu_index : UNASSIGNED_CPU_INDEX;
1097 static void hmp_info_registers(Monitor *mon, const QDict *qdict)
1099 bool all_cpus = qdict_get_try_bool(qdict, "cpustate_all", false);
1104 monitor_printf(mon, "\nCPU#%d\n", cs->cpu_index);
1105 cpu_dump_state(cs, (FILE *)mon, monitor_fprintf, CPU_DUMP_FPU);
1111 monitor_printf(mon, "No CPU available\n");
1115 cpu_dump_state(cs, (FILE *)mon, monitor_fprintf, CPU_DUMP_FPU);
1120 static void hmp_info_jit(Monitor *mon, const QDict *qdict)
1122 if (!tcg_enabled()) {
1123 error_report("JIT information is only available with accel=tcg");
1127 dump_exec_info((FILE *)mon, monitor_fprintf);
1128 dump_drift_info((FILE *)mon, monitor_fprintf);
1131 static void hmp_info_opcount(Monitor *mon, const QDict *qdict)
1133 dump_opcount_info((FILE *)mon, monitor_fprintf);
1137 static void hmp_info_history(Monitor *mon, const QDict *qdict)
1146 str = readline_get_history(mon->rs, i);
1149 monitor_printf(mon, "%d: '%s'\n", i, str);
1154 static void hmp_info_cpustats(Monitor *mon, const QDict *qdict)
1156 CPUState *cs = mon_get_cpu();
1159 monitor_printf(mon, "No CPU available\n");
1162 cpu_dump_statistics(cs, (FILE *)mon, &monitor_fprintf, 0);
1165 static void hmp_info_trace_events(Monitor *mon, const QDict *qdict)
1167 const char *name = qdict_get_try_str(qdict, "name");
1168 bool has_vcpu = qdict_haskey(qdict, "vcpu");
1169 int vcpu = qdict_get_try_int(qdict, "vcpu", 0);
1170 TraceEventInfoList *events;
1171 TraceEventInfoList *elem;
1172 Error *local_err = NULL;
1178 monitor_printf(mon, "argument vcpu must be positive");
1182 events = qmp_trace_event_get_state(name, has_vcpu, vcpu, &local_err);
1184 error_report_err(local_err);
1188 for (elem = events; elem != NULL; elem = elem->next) {
1189 monitor_printf(mon, "%s : state %u\n",
1191 elem->value->state == TRACE_EVENT_STATE_ENABLED ? 1 : 0);
1193 qapi_free_TraceEventInfoList(events);
1196 void qmp_client_migrate_info(const char *protocol, const char *hostname,
1197 bool has_port, int64_t port,
1198 bool has_tls_port, int64_t tls_port,
1199 bool has_cert_subject, const char *cert_subject,
1202 if (strcmp(protocol, "spice") == 0) {
1203 if (!qemu_using_spice(errp)) {
1207 if (!has_port && !has_tls_port) {
1208 error_setg(errp, QERR_MISSING_PARAMETER, "port/tls-port");
1212 if (qemu_spice_migrate_info(hostname,
1213 has_port ? port : -1,
1214 has_tls_port ? tls_port : -1,
1216 error_setg(errp, QERR_UNDEFINED_ERROR);
1222 error_setg(errp, QERR_INVALID_PARAMETER_VALUE, "protocol", "spice");
1225 static void hmp_logfile(Monitor *mon, const QDict *qdict)
1229 qemu_set_log_filename(qdict_get_str(qdict, "filename"), &err);
1231 error_report_err(err);
1235 static void hmp_log(Monitor *mon, const QDict *qdict)
1238 const char *items = qdict_get_str(qdict, "items");
1240 if (!strcmp(items, "none")) {
1243 mask = qemu_str_to_log_mask(items);
1245 help_cmd(mon, "log");
1252 static void hmp_singlestep(Monitor *mon, const QDict *qdict)
1254 const char *option = qdict_get_try_str(qdict, "option");
1255 if (!option || !strcmp(option, "on")) {
1257 } else if (!strcmp(option, "off")) {
1260 monitor_printf(mon, "unexpected option %s\n", option);
1264 static void hmp_gdbserver(Monitor *mon, const QDict *qdict)
1266 const char *device = qdict_get_try_str(qdict, "device");
1268 device = "tcp::" DEFAULT_GDBSTUB_PORT;
1269 if (gdbserver_start(device) < 0) {
1270 monitor_printf(mon, "Could not open gdbserver on device '%s'\n",
1272 } else if (strcmp(device, "none") == 0) {
1273 monitor_printf(mon, "Disabled gdbserver\n");
1275 monitor_printf(mon, "Waiting for gdb connection on device '%s'\n",
1280 static void hmp_watchdog_action(Monitor *mon, const QDict *qdict)
1282 const char *action = qdict_get_str(qdict, "action");
1283 if (select_watchdog_action(action) == -1) {
1284 monitor_printf(mon, "Unknown watchdog action '%s'\n", action);
1288 static void monitor_printc(Monitor *mon, int c)
1290 monitor_printf(mon, "'");
1293 monitor_printf(mon, "\\'");
1296 monitor_printf(mon, "\\\\");
1299 monitor_printf(mon, "\\n");
1302 monitor_printf(mon, "\\r");
1305 if (c >= 32 && c <= 126) {
1306 monitor_printf(mon, "%c", c);
1308 monitor_printf(mon, "\\x%02x", c);
1312 monitor_printf(mon, "'");
1315 static void memory_dump(Monitor *mon, int count, int format, int wsize,
1316 hwaddr addr, int is_physical)
1318 int l, line_size, i, max_digits, len;
1321 CPUState *cs = mon_get_cpu();
1323 if (!cs && (format == 'i' || !is_physical)) {
1324 monitor_printf(mon, "Can not dump without CPU\n");
1328 if (format == 'i') {
1329 monitor_disas(mon, cs, addr, count, is_physical);
1333 len = wsize * count;
1342 max_digits = DIV_ROUND_UP(wsize * 8, 3);
1346 max_digits = (wsize * 8) / 4;
1350 max_digits = DIV_ROUND_UP(wsize * 8 * 10, 33);
1359 monitor_printf(mon, TARGET_FMT_plx ":", addr);
1361 monitor_printf(mon, TARGET_FMT_lx ":", (target_ulong)addr);
1366 cpu_physical_memory_read(addr, buf, l);
1368 if (cpu_memory_rw_debug(cs, addr, buf, l, 0) < 0) {
1369 monitor_printf(mon, " Cannot access memory\n");
1378 v = ldub_p(buf + i);
1381 v = lduw_p(buf + i);
1384 v = (uint32_t)ldl_p(buf + i);
1390 monitor_printf(mon, " ");
1393 monitor_printf(mon, "%#*" PRIo64, max_digits, v);
1396 monitor_printf(mon, "0x%0*" PRIx64, max_digits, v);
1399 monitor_printf(mon, "%*" PRIu64, max_digits, v);
1402 monitor_printf(mon, "%*" PRId64, max_digits, v);
1405 monitor_printc(mon, v);
1410 monitor_printf(mon, "\n");
1416 static void hmp_memory_dump(Monitor *mon, const QDict *qdict)
1418 int count = qdict_get_int(qdict, "count");
1419 int format = qdict_get_int(qdict, "format");
1420 int size = qdict_get_int(qdict, "size");
1421 target_long addr = qdict_get_int(qdict, "addr");
1423 memory_dump(mon, count, format, size, addr, 0);
1426 static void hmp_physical_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 hwaddr addr = qdict_get_int(qdict, "addr");
1433 memory_dump(mon, count, format, size, addr, 1);
1436 static void *gpa2hva(MemoryRegion **p_mr, hwaddr addr, Error **errp)
1438 MemoryRegionSection mrs = memory_region_find(get_system_memory(),
1442 error_setg(errp, "No memory is mapped at address 0x%" HWADDR_PRIx, addr);
1446 if (!memory_region_is_ram(mrs.mr) && !memory_region_is_romd(mrs.mr)) {
1447 error_setg(errp, "Memory at address 0x%" HWADDR_PRIx "is not RAM", addr);
1448 memory_region_unref(mrs.mr);
1453 return qemu_map_ram_ptr(mrs.mr->ram_block, mrs.offset_within_region);
1456 static void hmp_gpa2hva(Monitor *mon, const QDict *qdict)
1458 hwaddr addr = qdict_get_int(qdict, "addr");
1459 Error *local_err = NULL;
1460 MemoryRegion *mr = NULL;
1463 ptr = gpa2hva(&mr, addr, &local_err);
1465 error_report_err(local_err);
1469 monitor_printf(mon, "Host virtual address for 0x%" HWADDR_PRIx
1471 addr, mr->name, ptr);
1473 memory_region_unref(mr);
1477 static uint64_t vtop(void *ptr, Error **errp)
1481 uintptr_t addr = (uintptr_t) ptr;
1482 uintptr_t pagesize = getpagesize();
1483 off_t offset = addr / pagesize * sizeof(pinfo);
1486 fd = open("/proc/self/pagemap", O_RDONLY);
1488 error_setg_errno(errp, errno, "Cannot open /proc/self/pagemap");
1492 /* Force copy-on-write if necessary. */
1493 atomic_add((uint8_t *)ptr, 0);
1495 if (pread(fd, &pinfo, sizeof(pinfo), offset) != sizeof(pinfo)) {
1496 error_setg_errno(errp, errno, "Cannot read pagemap");
1499 if ((pinfo & (1ull << 63)) == 0) {
1500 error_setg(errp, "Page not present");
1503 ret = ((pinfo & 0x007fffffffffffffull) * pagesize) | (addr & (pagesize - 1));
1510 static void hmp_gpa2hpa(Monitor *mon, const QDict *qdict)
1512 hwaddr addr = qdict_get_int(qdict, "addr");
1513 Error *local_err = NULL;
1514 MemoryRegion *mr = NULL;
1518 ptr = gpa2hva(&mr, addr, &local_err);
1520 error_report_err(local_err);
1524 physaddr = vtop(ptr, &local_err);
1526 error_report_err(local_err);
1528 monitor_printf(mon, "Host physical address for 0x%" HWADDR_PRIx
1529 " (%s) is 0x%" PRIx64 "\n",
1530 addr, mr->name, (uint64_t) physaddr);
1533 memory_region_unref(mr);
1537 static void do_print(Monitor *mon, const QDict *qdict)
1539 int format = qdict_get_int(qdict, "format");
1540 hwaddr val = qdict_get_int(qdict, "val");
1544 monitor_printf(mon, "%#" HWADDR_PRIo, val);
1547 monitor_printf(mon, "%#" HWADDR_PRIx, val);
1550 monitor_printf(mon, "%" HWADDR_PRIu, val);
1554 monitor_printf(mon, "%" HWADDR_PRId, val);
1557 monitor_printc(mon, val);
1560 monitor_printf(mon, "\n");
1563 static void hmp_sum(Monitor *mon, const QDict *qdict)
1567 uint32_t start = qdict_get_int(qdict, "start");
1568 uint32_t size = qdict_get_int(qdict, "size");
1571 for(addr = start; addr < (start + size); addr++) {
1572 uint8_t val = address_space_ldub(&address_space_memory, addr,
1573 MEMTXATTRS_UNSPECIFIED, NULL);
1574 /* BSD sum algorithm ('sum' Unix command) */
1575 sum = (sum >> 1) | (sum << 15);
1578 monitor_printf(mon, "%05d\n", sum);
1581 static int mouse_button_state;
1583 static void hmp_mouse_move(Monitor *mon, const QDict *qdict)
1585 int dx, dy, dz, button;
1586 const char *dx_str = qdict_get_str(qdict, "dx_str");
1587 const char *dy_str = qdict_get_str(qdict, "dy_str");
1588 const char *dz_str = qdict_get_try_str(qdict, "dz_str");
1590 dx = strtol(dx_str, NULL, 0);
1591 dy = strtol(dy_str, NULL, 0);
1592 qemu_input_queue_rel(NULL, INPUT_AXIS_X, dx);
1593 qemu_input_queue_rel(NULL, INPUT_AXIS_Y, dy);
1596 dz = strtol(dz_str, NULL, 0);
1598 button = (dz > 0) ? INPUT_BUTTON_WHEEL_UP : INPUT_BUTTON_WHEEL_DOWN;
1599 qemu_input_queue_btn(NULL, button, true);
1600 qemu_input_event_sync();
1601 qemu_input_queue_btn(NULL, button, false);
1604 qemu_input_event_sync();
1607 static void hmp_mouse_button(Monitor *mon, const QDict *qdict)
1609 static uint32_t bmap[INPUT_BUTTON__MAX] = {
1610 [INPUT_BUTTON_LEFT] = MOUSE_EVENT_LBUTTON,
1611 [INPUT_BUTTON_MIDDLE] = MOUSE_EVENT_MBUTTON,
1612 [INPUT_BUTTON_RIGHT] = MOUSE_EVENT_RBUTTON,
1614 int button_state = qdict_get_int(qdict, "button_state");
1616 if (mouse_button_state == button_state) {
1619 qemu_input_update_buttons(NULL, bmap, mouse_button_state, button_state);
1620 qemu_input_event_sync();
1621 mouse_button_state = button_state;
1624 static void hmp_ioport_read(Monitor *mon, const QDict *qdict)
1626 int size = qdict_get_int(qdict, "size");
1627 int addr = qdict_get_int(qdict, "addr");
1628 int has_index = qdict_haskey(qdict, "index");
1633 int index = qdict_get_int(qdict, "index");
1634 cpu_outb(addr & IOPORTS_MASK, index & 0xff);
1642 val = cpu_inb(addr);
1646 val = cpu_inw(addr);
1650 val = cpu_inl(addr);
1654 monitor_printf(mon, "port%c[0x%04x] = %#0*x\n",
1655 suffix, addr, size * 2, val);
1658 static void hmp_ioport_write(Monitor *mon, const QDict *qdict)
1660 int size = qdict_get_int(qdict, "size");
1661 int addr = qdict_get_int(qdict, "addr");
1662 int val = qdict_get_int(qdict, "val");
1664 addr &= IOPORTS_MASK;
1669 cpu_outb(addr, val);
1672 cpu_outw(addr, val);
1675 cpu_outl(addr, val);
1680 static void hmp_boot_set(Monitor *mon, const QDict *qdict)
1682 Error *local_err = NULL;
1683 const char *bootdevice = qdict_get_str(qdict, "bootdevice");
1685 qemu_boot_set(bootdevice, &local_err);
1687 error_report_err(local_err);
1689 monitor_printf(mon, "boot device list now set to %s\n", bootdevice);
1693 static void hmp_info_mtree(Monitor *mon, const QDict *qdict)
1695 bool flatview = qdict_get_try_bool(qdict, "flatview", false);
1696 bool dispatch_tree = qdict_get_try_bool(qdict, "dispatch_tree", false);
1698 mtree_info((fprintf_function)monitor_printf, mon, flatview, dispatch_tree);
1701 static void hmp_info_numa(Monitor *mon, const QDict *qdict)
1704 NumaNodeMem *node_mem;
1705 CpuInfoList *cpu_list, *cpu;
1707 cpu_list = qmp_query_cpus(&error_abort);
1708 node_mem = g_new0(NumaNodeMem, nb_numa_nodes);
1710 query_numa_node_mem(node_mem);
1711 monitor_printf(mon, "%d nodes\n", nb_numa_nodes);
1712 for (i = 0; i < nb_numa_nodes; i++) {
1713 monitor_printf(mon, "node %d cpus:", i);
1714 for (cpu = cpu_list; cpu; cpu = cpu->next) {
1715 if (cpu->value->has_props && cpu->value->props->has_node_id &&
1716 cpu->value->props->node_id == i) {
1717 monitor_printf(mon, " %" PRIi64, cpu->value->CPU);
1720 monitor_printf(mon, "\n");
1721 monitor_printf(mon, "node %d size: %" PRId64 " MB\n", i,
1722 node_mem[i].node_mem >> 20);
1723 monitor_printf(mon, "node %d plugged: %" PRId64 " MB\n", i,
1724 node_mem[i].node_plugged_mem >> 20);
1726 qapi_free_CpuInfoList(cpu_list);
1730 #ifdef CONFIG_PROFILER
1735 static void hmp_info_profile(Monitor *mon, const QDict *qdict)
1737 monitor_printf(mon, "async time %" PRId64 " (%0.3f)\n",
1738 dev_time, dev_time / (double)NANOSECONDS_PER_SECOND);
1739 monitor_printf(mon, "qemu time %" PRId64 " (%0.3f)\n",
1740 tcg_time, tcg_time / (double)NANOSECONDS_PER_SECOND);
1745 static void hmp_info_profile(Monitor *mon, const QDict *qdict)
1747 monitor_printf(mon, "Internal profiler not compiled\n");
1751 /* Capture support */
1752 static QLIST_HEAD (capture_list_head, CaptureState) capture_head;
1754 static void hmp_info_capture(Monitor *mon, const QDict *qdict)
1759 for (s = capture_head.lh_first, i = 0; s; s = s->entries.le_next, ++i) {
1760 monitor_printf(mon, "[%d]: ", i);
1761 s->ops.info (s->opaque);
1765 static void hmp_stopcapture(Monitor *mon, const QDict *qdict)
1768 int n = qdict_get_int(qdict, "n");
1771 for (s = capture_head.lh_first, i = 0; s; s = s->entries.le_next, ++i) {
1773 s->ops.destroy (s->opaque);
1774 QLIST_REMOVE (s, entries);
1781 static void hmp_wavcapture(Monitor *mon, const QDict *qdict)
1783 const char *path = qdict_get_str(qdict, "path");
1784 int has_freq = qdict_haskey(qdict, "freq");
1785 int freq = qdict_get_try_int(qdict, "freq", -1);
1786 int has_bits = qdict_haskey(qdict, "bits");
1787 int bits = qdict_get_try_int(qdict, "bits", -1);
1788 int has_channels = qdict_haskey(qdict, "nchannels");
1789 int nchannels = qdict_get_try_int(qdict, "nchannels", -1);
1792 s = g_malloc0 (sizeof (*s));
1794 freq = has_freq ? freq : 44100;
1795 bits = has_bits ? bits : 16;
1796 nchannels = has_channels ? nchannels : 2;
1798 if (wav_start_capture (s, path, freq, bits, nchannels)) {
1799 monitor_printf(mon, "Failed to add wave capture\n");
1803 QLIST_INSERT_HEAD (&capture_head, s, entries);
1806 static qemu_acl *find_acl(Monitor *mon, const char *name)
1808 qemu_acl *acl = qemu_acl_find(name);
1811 monitor_printf(mon, "acl: unknown list '%s'\n", name);
1816 static void hmp_acl_show(Monitor *mon, const QDict *qdict)
1818 const char *aclname = qdict_get_str(qdict, "aclname");
1819 qemu_acl *acl = find_acl(mon, aclname);
1820 qemu_acl_entry *entry;
1824 monitor_printf(mon, "policy: %s\n",
1825 acl->defaultDeny ? "deny" : "allow");
1826 QTAILQ_FOREACH(entry, &acl->entries, next) {
1828 monitor_printf(mon, "%d: %s %s\n", i,
1829 entry->deny ? "deny" : "allow", entry->match);
1834 static void hmp_acl_reset(Monitor *mon, const QDict *qdict)
1836 const char *aclname = qdict_get_str(qdict, "aclname");
1837 qemu_acl *acl = find_acl(mon, aclname);
1840 qemu_acl_reset(acl);
1841 monitor_printf(mon, "acl: removed all rules\n");
1845 static void hmp_acl_policy(Monitor *mon, const QDict *qdict)
1847 const char *aclname = qdict_get_str(qdict, "aclname");
1848 const char *policy = qdict_get_str(qdict, "policy");
1849 qemu_acl *acl = find_acl(mon, aclname);
1852 if (strcmp(policy, "allow") == 0) {
1853 acl->defaultDeny = 0;
1854 monitor_printf(mon, "acl: policy set to 'allow'\n");
1855 } else if (strcmp(policy, "deny") == 0) {
1856 acl->defaultDeny = 1;
1857 monitor_printf(mon, "acl: policy set to 'deny'\n");
1859 monitor_printf(mon, "acl: unknown policy '%s', "
1860 "expected 'deny' or 'allow'\n", policy);
1865 static void hmp_acl_add(Monitor *mon, const QDict *qdict)
1867 const char *aclname = qdict_get_str(qdict, "aclname");
1868 const char *match = qdict_get_str(qdict, "match");
1869 const char *policy = qdict_get_str(qdict, "policy");
1870 int has_index = qdict_haskey(qdict, "index");
1871 int index = qdict_get_try_int(qdict, "index", -1);
1872 qemu_acl *acl = find_acl(mon, aclname);
1876 if (strcmp(policy, "allow") == 0) {
1878 } else if (strcmp(policy, "deny") == 0) {
1881 monitor_printf(mon, "acl: unknown policy '%s', "
1882 "expected 'deny' or 'allow'\n", policy);
1886 ret = qemu_acl_insert(acl, deny, match, index);
1888 ret = qemu_acl_append(acl, deny, match);
1890 monitor_printf(mon, "acl: unable to add acl entry\n");
1892 monitor_printf(mon, "acl: added rule at position %d\n", ret);
1896 static void hmp_acl_remove(Monitor *mon, const QDict *qdict)
1898 const char *aclname = qdict_get_str(qdict, "aclname");
1899 const char *match = qdict_get_str(qdict, "match");
1900 qemu_acl *acl = find_acl(mon, aclname);
1904 ret = qemu_acl_remove(acl, match);
1906 monitor_printf(mon, "acl: no matching acl entry\n");
1908 monitor_printf(mon, "acl: removed rule at position %d\n", ret);
1912 void qmp_getfd(const char *fdname, Error **errp)
1917 fd = qemu_chr_fe_get_msgfd(&cur_mon->chr);
1919 error_setg(errp, QERR_FD_NOT_SUPPLIED);
1923 if (qemu_isdigit(fdname[0])) {
1925 error_setg(errp, QERR_INVALID_PARAMETER_VALUE, "fdname",
1926 "a name not starting with a digit");
1930 QLIST_FOREACH(monfd, &cur_mon->fds, next) {
1931 if (strcmp(monfd->name, fdname) != 0) {
1940 monfd = g_malloc0(sizeof(mon_fd_t));
1941 monfd->name = g_strdup(fdname);
1944 QLIST_INSERT_HEAD(&cur_mon->fds, monfd, next);
1947 void qmp_closefd(const char *fdname, Error **errp)
1951 QLIST_FOREACH(monfd, &cur_mon->fds, next) {
1952 if (strcmp(monfd->name, fdname) != 0) {
1956 QLIST_REMOVE(monfd, next);
1958 g_free(monfd->name);
1963 error_setg(errp, QERR_FD_NOT_FOUND, fdname);
1966 int monitor_get_fd(Monitor *mon, const char *fdname, Error **errp)
1970 QLIST_FOREACH(monfd, &mon->fds, next) {
1973 if (strcmp(monfd->name, fdname) != 0) {
1979 /* caller takes ownership of fd */
1980 QLIST_REMOVE(monfd, next);
1981 g_free(monfd->name);
1987 error_setg(errp, "File descriptor named '%s' has not been found", fdname);
1991 static void monitor_fdset_cleanup(MonFdset *mon_fdset)
1993 MonFdsetFd *mon_fdset_fd;
1994 MonFdsetFd *mon_fdset_fd_next;
1996 QLIST_FOREACH_SAFE(mon_fdset_fd, &mon_fdset->fds, next, mon_fdset_fd_next) {
1997 if ((mon_fdset_fd->removed ||
1998 (QLIST_EMPTY(&mon_fdset->dup_fds) && mon_refcount == 0)) &&
1999 runstate_is_running()) {
2000 close(mon_fdset_fd->fd);
2001 g_free(mon_fdset_fd->opaque);
2002 QLIST_REMOVE(mon_fdset_fd, next);
2003 g_free(mon_fdset_fd);
2007 if (QLIST_EMPTY(&mon_fdset->fds) && QLIST_EMPTY(&mon_fdset->dup_fds)) {
2008 QLIST_REMOVE(mon_fdset, next);
2013 static void monitor_fdsets_cleanup(void)
2015 MonFdset *mon_fdset;
2016 MonFdset *mon_fdset_next;
2018 QLIST_FOREACH_SAFE(mon_fdset, &mon_fdsets, next, mon_fdset_next) {
2019 monitor_fdset_cleanup(mon_fdset);
2023 AddfdInfo *qmp_add_fd(bool has_fdset_id, int64_t fdset_id, bool has_opaque,
2024 const char *opaque, Error **errp)
2027 Monitor *mon = cur_mon;
2030 fd = qemu_chr_fe_get_msgfd(&mon->chr);
2032 error_setg(errp, QERR_FD_NOT_SUPPLIED);
2036 fdinfo = monitor_fdset_add_fd(fd, has_fdset_id, fdset_id,
2037 has_opaque, opaque, errp);
2049 void qmp_remove_fd(int64_t fdset_id, bool has_fd, int64_t fd, Error **errp)
2051 MonFdset *mon_fdset;
2052 MonFdsetFd *mon_fdset_fd;
2055 QLIST_FOREACH(mon_fdset, &mon_fdsets, next) {
2056 if (mon_fdset->id != fdset_id) {
2059 QLIST_FOREACH(mon_fdset_fd, &mon_fdset->fds, next) {
2061 if (mon_fdset_fd->fd != fd) {
2064 mon_fdset_fd->removed = true;
2067 mon_fdset_fd->removed = true;
2070 if (has_fd && !mon_fdset_fd) {
2073 monitor_fdset_cleanup(mon_fdset);
2079 snprintf(fd_str, sizeof(fd_str), "fdset-id:%" PRId64 ", fd:%" PRId64,
2082 snprintf(fd_str, sizeof(fd_str), "fdset-id:%" PRId64, fdset_id);
2084 error_setg(errp, QERR_FD_NOT_FOUND, fd_str);
2087 FdsetInfoList *qmp_query_fdsets(Error **errp)
2089 MonFdset *mon_fdset;
2090 MonFdsetFd *mon_fdset_fd;
2091 FdsetInfoList *fdset_list = NULL;
2093 QLIST_FOREACH(mon_fdset, &mon_fdsets, next) {
2094 FdsetInfoList *fdset_info = g_malloc0(sizeof(*fdset_info));
2095 FdsetFdInfoList *fdsetfd_list = NULL;
2097 fdset_info->value = g_malloc0(sizeof(*fdset_info->value));
2098 fdset_info->value->fdset_id = mon_fdset->id;
2100 QLIST_FOREACH(mon_fdset_fd, &mon_fdset->fds, next) {
2101 FdsetFdInfoList *fdsetfd_info;
2103 fdsetfd_info = g_malloc0(sizeof(*fdsetfd_info));
2104 fdsetfd_info->value = g_malloc0(sizeof(*fdsetfd_info->value));
2105 fdsetfd_info->value->fd = mon_fdset_fd->fd;
2106 if (mon_fdset_fd->opaque) {
2107 fdsetfd_info->value->has_opaque = true;
2108 fdsetfd_info->value->opaque = g_strdup(mon_fdset_fd->opaque);
2110 fdsetfd_info->value->has_opaque = false;
2113 fdsetfd_info->next = fdsetfd_list;
2114 fdsetfd_list = fdsetfd_info;
2117 fdset_info->value->fds = fdsetfd_list;
2119 fdset_info->next = fdset_list;
2120 fdset_list = fdset_info;
2126 AddfdInfo *monitor_fdset_add_fd(int fd, bool has_fdset_id, int64_t fdset_id,
2127 bool has_opaque, const char *opaque,
2130 MonFdset *mon_fdset = NULL;
2131 MonFdsetFd *mon_fdset_fd;
2135 QLIST_FOREACH(mon_fdset, &mon_fdsets, next) {
2136 /* Break if match found or match impossible due to ordering by ID */
2137 if (fdset_id <= mon_fdset->id) {
2138 if (fdset_id < mon_fdset->id) {
2146 if (mon_fdset == NULL) {
2147 int64_t fdset_id_prev = -1;
2148 MonFdset *mon_fdset_cur = QLIST_FIRST(&mon_fdsets);
2152 error_setg(errp, QERR_INVALID_PARAMETER_VALUE, "fdset-id",
2153 "a non-negative value");
2156 /* Use specified fdset ID */
2157 QLIST_FOREACH(mon_fdset, &mon_fdsets, next) {
2158 mon_fdset_cur = mon_fdset;
2159 if (fdset_id < mon_fdset_cur->id) {
2164 /* Use first available fdset ID */
2165 QLIST_FOREACH(mon_fdset, &mon_fdsets, next) {
2166 mon_fdset_cur = mon_fdset;
2167 if (fdset_id_prev == mon_fdset_cur->id - 1) {
2168 fdset_id_prev = mon_fdset_cur->id;
2175 mon_fdset = g_malloc0(sizeof(*mon_fdset));
2177 mon_fdset->id = fdset_id;
2179 mon_fdset->id = fdset_id_prev + 1;
2182 /* The fdset list is ordered by fdset ID */
2183 if (!mon_fdset_cur) {
2184 QLIST_INSERT_HEAD(&mon_fdsets, mon_fdset, next);
2185 } else if (mon_fdset->id < mon_fdset_cur->id) {
2186 QLIST_INSERT_BEFORE(mon_fdset_cur, mon_fdset, next);
2188 QLIST_INSERT_AFTER(mon_fdset_cur, mon_fdset, next);
2192 mon_fdset_fd = g_malloc0(sizeof(*mon_fdset_fd));
2193 mon_fdset_fd->fd = fd;
2194 mon_fdset_fd->removed = false;
2196 mon_fdset_fd->opaque = g_strdup(opaque);
2198 QLIST_INSERT_HEAD(&mon_fdset->fds, mon_fdset_fd, next);
2200 fdinfo = g_malloc0(sizeof(*fdinfo));
2201 fdinfo->fdset_id = mon_fdset->id;
2202 fdinfo->fd = mon_fdset_fd->fd;
2207 int monitor_fdset_get_fd(int64_t fdset_id, int flags)
2210 MonFdset *mon_fdset;
2211 MonFdsetFd *mon_fdset_fd;
2214 QLIST_FOREACH(mon_fdset, &mon_fdsets, next) {
2215 if (mon_fdset->id != fdset_id) {
2218 QLIST_FOREACH(mon_fdset_fd, &mon_fdset->fds, next) {
2219 mon_fd_flags = fcntl(mon_fdset_fd->fd, F_GETFL);
2220 if (mon_fd_flags == -1) {
2224 if ((flags & O_ACCMODE) == (mon_fd_flags & O_ACCMODE)) {
2225 return mon_fdset_fd->fd;
2237 int monitor_fdset_dup_fd_add(int64_t fdset_id, int dup_fd)
2239 MonFdset *mon_fdset;
2240 MonFdsetFd *mon_fdset_fd_dup;
2242 QLIST_FOREACH(mon_fdset, &mon_fdsets, next) {
2243 if (mon_fdset->id != fdset_id) {
2246 QLIST_FOREACH(mon_fdset_fd_dup, &mon_fdset->dup_fds, next) {
2247 if (mon_fdset_fd_dup->fd == dup_fd) {
2251 mon_fdset_fd_dup = g_malloc0(sizeof(*mon_fdset_fd_dup));
2252 mon_fdset_fd_dup->fd = dup_fd;
2253 QLIST_INSERT_HEAD(&mon_fdset->dup_fds, mon_fdset_fd_dup, next);
2259 static int monitor_fdset_dup_fd_find_remove(int dup_fd, bool remove)
2261 MonFdset *mon_fdset;
2262 MonFdsetFd *mon_fdset_fd_dup;
2264 QLIST_FOREACH(mon_fdset, &mon_fdsets, next) {
2265 QLIST_FOREACH(mon_fdset_fd_dup, &mon_fdset->dup_fds, next) {
2266 if (mon_fdset_fd_dup->fd == dup_fd) {
2268 QLIST_REMOVE(mon_fdset_fd_dup, next);
2269 if (QLIST_EMPTY(&mon_fdset->dup_fds)) {
2270 monitor_fdset_cleanup(mon_fdset);
2274 return mon_fdset->id;
2282 int monitor_fdset_dup_fd_find(int dup_fd)
2284 return monitor_fdset_dup_fd_find_remove(dup_fd, false);
2287 void monitor_fdset_dup_fd_remove(int dup_fd)
2289 monitor_fdset_dup_fd_find_remove(dup_fd, true);
2292 int monitor_fd_param(Monitor *mon, const char *fdname, Error **errp)
2295 Error *local_err = NULL;
2297 if (!qemu_isdigit(fdname[0]) && mon) {
2298 fd = monitor_get_fd(mon, fdname, &local_err);
2300 fd = qemu_parse_fd(fdname);
2302 error_setg(&local_err, "Invalid file descriptor number '%s'",
2307 error_propagate(errp, local_err);
2316 /* Please update hmp-commands.hx when adding or changing commands */
2317 static mon_cmd_t info_cmds[] = {
2318 #include "hmp-commands-info.h"
2322 /* mon_cmds and info_cmds would be sorted at runtime */
2323 static mon_cmd_t mon_cmds[] = {
2324 #include "hmp-commands.h"
2328 /*******************************************************************/
2330 static const char *pch;
2331 static sigjmp_buf expr_env;
2334 static void GCC_FMT_ATTR(2, 3) QEMU_NORETURN
2335 expr_error(Monitor *mon, const char *fmt, ...)
2339 monitor_vprintf(mon, fmt, ap);
2340 monitor_printf(mon, "\n");
2342 siglongjmp(expr_env, 1);
2345 /* return 0 if OK, -1 if not found */
2346 static int get_monitor_def(target_long *pval, const char *name)
2348 const MonitorDef *md = target_monitor_defs();
2349 CPUState *cs = mon_get_cpu();
2354 if (cs == NULL || md == NULL) {
2358 for(; md->name != NULL; md++) {
2359 if (compare_cmd(name, md->name)) {
2360 if (md->get_value) {
2361 *pval = md->get_value(md, md->offset);
2363 CPUArchState *env = mon_get_cpu_env();
2364 ptr = (uint8_t *)env + md->offset;
2367 *pval = *(int32_t *)ptr;
2370 *pval = *(target_long *)ptr;
2381 ret = target_get_monitor_def(cs, name, &tmp);
2383 *pval = (target_long) tmp;
2389 static void next(void)
2393 while (qemu_isspace(*pch))
2398 static int64_t expr_sum(Monitor *mon);
2400 static int64_t expr_unary(Monitor *mon)
2409 n = expr_unary(mon);
2413 n = -expr_unary(mon);
2417 n = ~expr_unary(mon);
2423 expr_error(mon, "')' expected");
2430 expr_error(mon, "character constant expected");
2434 expr_error(mon, "missing terminating \' character");
2444 while ((*pch >= 'a' && *pch <= 'z') ||
2445 (*pch >= 'A' && *pch <= 'Z') ||
2446 (*pch >= '0' && *pch <= '9') ||
2447 *pch == '_' || *pch == '.') {
2448 if ((q - buf) < sizeof(buf) - 1)
2452 while (qemu_isspace(*pch))
2455 ret = get_monitor_def(®, buf);
2457 expr_error(mon, "unknown register");
2462 expr_error(mon, "unexpected end of expression");
2467 n = strtoull(pch, &p, 0);
2468 if (errno == ERANGE) {
2469 expr_error(mon, "number too large");
2472 expr_error(mon, "invalid char '%c' in expression", *p);
2475 while (qemu_isspace(*pch))
2483 static int64_t expr_prod(Monitor *mon)
2488 val = expr_unary(mon);
2491 if (op != '*' && op != '/' && op != '%')
2494 val2 = expr_unary(mon);
2503 expr_error(mon, "division by zero");
2514 static int64_t expr_logic(Monitor *mon)
2519 val = expr_prod(mon);
2522 if (op != '&' && op != '|' && op != '^')
2525 val2 = expr_prod(mon);
2542 static int64_t expr_sum(Monitor *mon)
2547 val = expr_logic(mon);
2550 if (op != '+' && op != '-')
2553 val2 = expr_logic(mon);
2562 static int get_expr(Monitor *mon, int64_t *pval, const char **pp)
2565 if (sigsetjmp(expr_env, 0)) {
2569 while (qemu_isspace(*pch))
2571 *pval = expr_sum(mon);
2576 static int get_double(Monitor *mon, double *pval, const char **pp)
2578 const char *p = *pp;
2582 d = strtod(p, &tailp);
2584 monitor_printf(mon, "Number expected\n");
2587 if (d != d || d - d != 0) {
2588 /* NaN or infinity */
2589 monitor_printf(mon, "Bad number\n");
2598 * Store the command-name in cmdname, and return a pointer to
2599 * the remaining of the command string.
2601 static const char *get_command_name(const char *cmdline,
2602 char *cmdname, size_t nlen)
2605 const char *p, *pstart;
2608 while (qemu_isspace(*p))
2613 while (*p != '\0' && *p != '/' && !qemu_isspace(*p))
2618 memcpy(cmdname, pstart, len);
2619 cmdname[len] = '\0';
2624 * Read key of 'type' into 'key' and return the current
2627 static char *key_get_info(const char *type, char **key)
2635 p = strchr(type, ':');
2642 str = g_malloc(len + 1);
2643 memcpy(str, type, len);
2650 static int default_fmt_format = 'x';
2651 static int default_fmt_size = 4;
2653 static int is_valid_option(const char *c, const char *typestr)
2661 typestr = strstr(typestr, option);
2662 return (typestr != NULL);
2665 static const mon_cmd_t *search_dispatch_table(const mon_cmd_t *disp_table,
2666 const char *cmdname)
2668 const mon_cmd_t *cmd;
2670 for (cmd = disp_table; cmd->name != NULL; cmd++) {
2671 if (compare_cmd(cmdname, cmd->name)) {
2680 * Parse command name from @cmdp according to command table @table.
2681 * If blank, return NULL.
2682 * Else, if no valid command can be found, report to @mon, and return
2684 * Else, change @cmdp to point right behind the name, and return its
2685 * command table entry.
2686 * Do not assume the return value points into @table! It doesn't when
2687 * the command is found in a sub-command table.
2689 static const mon_cmd_t *monitor_parse_command(Monitor *mon,
2690 const char *cmdp_start,
2695 const mon_cmd_t *cmd;
2698 /* extract the command name */
2699 p = get_command_name(*cmdp, cmdname, sizeof(cmdname));
2703 cmd = search_dispatch_table(table, cmdname);
2705 monitor_printf(mon, "unknown command: '%.*s'\n",
2706 (int)(p - cmdp_start), cmdp_start);
2710 /* filter out following useless space */
2711 while (qemu_isspace(*p)) {
2716 /* search sub command */
2717 if (cmd->sub_table != NULL && *p != '\0') {
2718 return monitor_parse_command(mon, cmdp_start, cmdp, cmd->sub_table);
2725 * Parse arguments for @cmd.
2726 * If it can't be parsed, report to @mon, and return NULL.
2727 * Else, insert command arguments into a QDict, and return it.
2728 * Note: On success, caller has to free the QDict structure.
2731 static QDict *monitor_parse_arguments(Monitor *mon,
2733 const mon_cmd_t *cmd)
2735 const char *typestr;
2738 const char *p = *endp;
2740 QDict *qdict = qdict_new();
2742 /* parse the parameters */
2743 typestr = cmd->args_type;
2745 typestr = key_get_info(typestr, &key);
2757 while (qemu_isspace(*p))
2759 if (*typestr == '?') {
2762 /* no optional string: NULL argument */
2766 ret = get_str(buf, sizeof(buf), &p);
2770 monitor_printf(mon, "%s: filename expected\n",
2774 monitor_printf(mon, "%s: block device name expected\n",
2778 monitor_printf(mon, "%s: string expected\n", cmd->name);
2783 qdict_put_str(qdict, key, buf);
2788 QemuOptsList *opts_list;
2791 opts_list = qemu_find_opts(key);
2792 if (!opts_list || opts_list->desc->name) {
2795 while (qemu_isspace(*p)) {
2800 if (get_str(buf, sizeof(buf), &p) < 0) {
2803 opts = qemu_opts_parse_noisily(opts_list, buf, true);
2807 qemu_opts_to_qdict(opts, qdict);
2808 qemu_opts_del(opts);
2813 int count, format, size;
2815 while (qemu_isspace(*p))
2821 if (qemu_isdigit(*p)) {
2823 while (qemu_isdigit(*p)) {
2824 count = count * 10 + (*p - '0');
2862 if (*p != '\0' && !qemu_isspace(*p)) {
2863 monitor_printf(mon, "invalid char in format: '%c'\n",
2868 format = default_fmt_format;
2869 if (format != 'i') {
2870 /* for 'i', not specifying a size gives -1 as size */
2872 size = default_fmt_size;
2873 default_fmt_size = size;
2875 default_fmt_format = format;
2878 format = default_fmt_format;
2879 if (format != 'i') {
2880 size = default_fmt_size;
2885 qdict_put_int(qdict, "count", count);
2886 qdict_put_int(qdict, "format", format);
2887 qdict_put_int(qdict, "size", size);
2896 while (qemu_isspace(*p))
2898 if (*typestr == '?' || *typestr == '.') {
2899 if (*typestr == '?') {
2907 while (qemu_isspace(*p))
2916 if (get_expr(mon, &val, &p))
2918 /* Check if 'i' is greater than 32-bit */
2919 if ((c == 'i') && ((val >> 32) & 0xffffffff)) {
2920 monitor_printf(mon, "\'%s\' has failed: ", cmd->name);
2921 monitor_printf(mon, "integer is for 32-bit values\n");
2923 } else if (c == 'M') {
2925 monitor_printf(mon, "enter a positive value\n");
2930 qdict_put_int(qdict, key, val);
2939 while (qemu_isspace(*p)) {
2942 if (*typestr == '?') {
2948 ret = qemu_strtosz_MiB(p, &end, &val);
2949 if (ret < 0 || val > INT64_MAX) {
2950 monitor_printf(mon, "invalid size\n");
2953 qdict_put_int(qdict, key, val);
2961 while (qemu_isspace(*p))
2963 if (*typestr == '?') {
2969 if (get_double(mon, &val, &p) < 0) {
2972 if (p[0] && p[1] == 's') {
2975 val /= 1e3; p += 2; break;
2977 val /= 1e6; p += 2; break;
2979 val /= 1e9; p += 2; break;
2982 if (*p && !qemu_isspace(*p)) {
2983 monitor_printf(mon, "Unknown unit suffix\n");
2986 qdict_put(qdict, key, qnum_from_double(val));
2994 while (qemu_isspace(*p)) {
2998 while (qemu_isgraph(*p)) {
3001 if (p - beg == 2 && !memcmp(beg, "on", p - beg)) {
3003 } else if (p - beg == 3 && !memcmp(beg, "off", p - beg)) {
3006 monitor_printf(mon, "Expected 'on' or 'off'\n");
3009 qdict_put_bool(qdict, key, val);
3014 const char *tmp = p;
3021 while (qemu_isspace(*p))
3026 if(!is_valid_option(p, typestr)) {
3028 monitor_printf(mon, "%s: unsupported option -%c\n",
3040 qdict_put_bool(qdict, key, true);
3047 /* package all remaining string */
3050 while (qemu_isspace(*p)) {
3053 if (*typestr == '?') {
3056 /* no remaining string: NULL argument */
3062 monitor_printf(mon, "%s: string expected\n",
3066 qdict_put_str(qdict, key, p);
3072 monitor_printf(mon, "%s: unknown type '%c'\n", cmd->name, c);
3078 /* check that all arguments were parsed */
3079 while (qemu_isspace(*p))
3082 monitor_printf(mon, "%s: extraneous characters at the end of line\n",
3095 static void handle_hmp_command(Monitor *mon, const char *cmdline)
3098 const mon_cmd_t *cmd;
3100 trace_handle_hmp_command(mon, cmdline);
3102 cmd = monitor_parse_command(mon, cmdline, &cmdline, mon->cmd_table);
3107 qdict = monitor_parse_arguments(mon, &cmdline, cmd);
3109 monitor_printf(mon, "Try \"help %s\" for more information\n",
3114 cmd->cmd(mon, qdict);
3118 static void cmd_completion(Monitor *mon, const char *name, const char *list)
3120 const char *p, *pstart;
3129 p = pstart + strlen(pstart);
3131 if (len > sizeof(cmd) - 2)
3132 len = sizeof(cmd) - 2;
3133 memcpy(cmd, pstart, len);
3135 if (name[0] == '\0' || !strncmp(name, cmd, strlen(name))) {
3136 readline_add_completion(mon->rs, cmd);
3144 static void file_completion(Monitor *mon, const char *input)
3149 char file[1024], file_prefix[1024];
3153 p = strrchr(input, '/');
3156 pstrcpy(file_prefix, sizeof(file_prefix), input);
3157 pstrcpy(path, sizeof(path), ".");
3159 input_path_len = p - input + 1;
3160 memcpy(path, input, input_path_len);
3161 if (input_path_len > sizeof(path) - 1)
3162 input_path_len = sizeof(path) - 1;
3163 path[input_path_len] = '\0';
3164 pstrcpy(file_prefix, sizeof(file_prefix), p + 1);
3167 ffs = opendir(path);
3176 if (strcmp(d->d_name, ".") == 0 || strcmp(d->d_name, "..") == 0) {
3180 if (strstart(d->d_name, file_prefix, NULL)) {
3181 memcpy(file, input, input_path_len);
3182 if (input_path_len < sizeof(file))
3183 pstrcpy(file + input_path_len, sizeof(file) - input_path_len,
3185 /* stat the file to find out if it's a directory.
3186 * In that case add a slash to speed up typing long paths
3188 if (stat(file, &sb) == 0 && S_ISDIR(sb.st_mode)) {
3189 pstrcat(file, sizeof(file), "/");
3191 readline_add_completion(mon->rs, file);
3197 static const char *next_arg_type(const char *typestr)
3199 const char *p = strchr(typestr, ':');
3200 return (p != NULL ? ++p : typestr);
3203 static void add_completion_option(ReadLineState *rs, const char *str,
3206 if (!str || !option) {
3209 if (!strncmp(option, str, strlen(str))) {
3210 readline_add_completion(rs, option);
3214 void chardev_add_completion(ReadLineState *rs, int nb_args, const char *str)
3217 ChardevBackendInfoList *list, *start;
3223 readline_set_completion_index(rs, len);
3225 start = list = qmp_query_chardev_backends(NULL);
3227 const char *chr_name = list->value->name;
3229 if (!strncmp(chr_name, str, len)) {
3230 readline_add_completion(rs, chr_name);
3234 qapi_free_ChardevBackendInfoList(start);
3237 void netdev_add_completion(ReadLineState *rs, int nb_args, const char *str)
3246 readline_set_completion_index(rs, len);
3247 for (i = 0; i < NET_CLIENT_DRIVER__MAX; i++) {
3248 add_completion_option(rs, str, NetClientDriver_str(i));
3252 void device_add_completion(ReadLineState *rs, int nb_args, const char *str)
3262 readline_set_completion_index(rs, len);
3263 list = elt = object_class_get_list(TYPE_DEVICE, false);
3266 DeviceClass *dc = OBJECT_CLASS_CHECK(DeviceClass, elt->data,
3268 name = object_class_get_name(OBJECT_CLASS(dc));
3270 if (dc->user_creatable
3271 && !strncmp(name, str, len)) {
3272 readline_add_completion(rs, name);
3279 void object_add_completion(ReadLineState *rs, int nb_args, const char *str)
3289 readline_set_completion_index(rs, len);
3290 list = elt = object_class_get_list(TYPE_USER_CREATABLE, false);
3294 name = object_class_get_name(OBJECT_CLASS(elt->data));
3295 if (!strncmp(name, str, len) && strcmp(name, TYPE_USER_CREATABLE)) {
3296 readline_add_completion(rs, name);
3303 static void peripheral_device_del_completion(ReadLineState *rs,
3304 const char *str, size_t len)
3306 Object *peripheral = container_get(qdev_get_machine(), "/peripheral");
3307 GSList *list, *item;
3309 list = qdev_build_hotpluggable_device_list(peripheral);
3314 for (item = list; item; item = g_slist_next(item)) {
3315 DeviceState *dev = item->data;
3317 if (dev->id && !strncmp(str, dev->id, len)) {
3318 readline_add_completion(rs, dev->id);
3325 void chardev_remove_completion(ReadLineState *rs, int nb_args, const char *str)
3328 ChardevInfoList *list, *start;
3334 readline_set_completion_index(rs, len);
3336 start = list = qmp_query_chardev(NULL);
3338 ChardevInfo *chr = list->value;
3340 if (!strncmp(chr->label, str, len)) {
3341 readline_add_completion(rs, chr->label);
3345 qapi_free_ChardevInfoList(start);
3348 static void ringbuf_completion(ReadLineState *rs, const char *str)
3351 ChardevInfoList *list, *start;
3354 readline_set_completion_index(rs, len);
3356 start = list = qmp_query_chardev(NULL);
3358 ChardevInfo *chr_info = list->value;
3360 if (!strncmp(chr_info->label, str, len)) {
3361 Chardev *chr = qemu_chr_find(chr_info->label);
3362 if (chr && CHARDEV_IS_RINGBUF(chr)) {
3363 readline_add_completion(rs, chr_info->label);
3368 qapi_free_ChardevInfoList(start);
3371 void ringbuf_write_completion(ReadLineState *rs, int nb_args, const char *str)
3376 ringbuf_completion(rs, str);
3379 void device_del_completion(ReadLineState *rs, int nb_args, const char *str)
3388 readline_set_completion_index(rs, len);
3389 peripheral_device_del_completion(rs, str, len);
3392 void object_del_completion(ReadLineState *rs, int nb_args, const char *str)
3394 ObjectPropertyInfoList *list, *start;
3401 readline_set_completion_index(rs, len);
3403 start = list = qmp_qom_list("/objects", NULL);
3405 ObjectPropertyInfo *info = list->value;
3407 if (!strncmp(info->type, "child<", 5)
3408 && !strncmp(info->name, str, len)) {
3409 readline_add_completion(rs, info->name);
3413 qapi_free_ObjectPropertyInfoList(start);
3416 void sendkey_completion(ReadLineState *rs, int nb_args, const char *str)
3425 sep = strrchr(str, '-');
3430 readline_set_completion_index(rs, len);
3431 for (i = 0; i < Q_KEY_CODE__MAX; i++) {
3432 if (!strncmp(str, QKeyCode_str(i), len)) {
3433 readline_add_completion(rs, QKeyCode_str(i));
3438 void set_link_completion(ReadLineState *rs, int nb_args, const char *str)
3443 readline_set_completion_index(rs, len);
3445 NetClientState *ncs[MAX_QUEUE_NUM];
3447 count = qemu_find_net_clients_except(NULL, ncs,
3448 NET_CLIENT_DRIVER_NONE,
3450 for (i = 0; i < MIN(count, MAX_QUEUE_NUM); i++) {
3451 const char *name = ncs[i]->name;
3452 if (!strncmp(str, name, len)) {
3453 readline_add_completion(rs, name);
3456 } else if (nb_args == 3) {
3457 add_completion_option(rs, str, "on");
3458 add_completion_option(rs, str, "off");
3462 void netdev_del_completion(ReadLineState *rs, int nb_args, const char *str)
3465 NetClientState *ncs[MAX_QUEUE_NUM];
3472 readline_set_completion_index(rs, len);
3473 count = qemu_find_net_clients_except(NULL, ncs, NET_CLIENT_DRIVER_NIC,
3475 for (i = 0; i < MIN(count, MAX_QUEUE_NUM); i++) {
3477 const char *name = ncs[i]->name;
3478 if (strncmp(str, name, len)) {
3481 opts = qemu_opts_find(qemu_find_opts_err("netdev", NULL), name);
3483 readline_add_completion(rs, name);
3488 void info_trace_events_completion(ReadLineState *rs, int nb_args, const char *str)
3493 readline_set_completion_index(rs, len);
3495 TraceEventIter iter;
3497 char *pattern = g_strdup_printf("%s*", str);
3498 trace_event_iter_init(&iter, pattern);
3499 while ((ev = trace_event_iter_next(&iter)) != NULL) {
3500 readline_add_completion(rs, trace_event_get_name(ev));
3506 void trace_event_completion(ReadLineState *rs, int nb_args, const char *str)
3511 readline_set_completion_index(rs, len);
3513 TraceEventIter iter;
3515 char *pattern = g_strdup_printf("%s*", str);
3516 trace_event_iter_init(&iter, pattern);
3517 while ((ev = trace_event_iter_next(&iter)) != NULL) {
3518 readline_add_completion(rs, trace_event_get_name(ev));
3521 } else if (nb_args == 3) {
3522 add_completion_option(rs, str, "on");
3523 add_completion_option(rs, str, "off");
3527 void watchdog_action_completion(ReadLineState *rs, int nb_args, const char *str)
3534 readline_set_completion_index(rs, strlen(str));
3535 for (i = 0; i < WATCHDOG_ACTION__MAX; i++) {
3536 add_completion_option(rs, str, WatchdogAction_str(i));
3540 void migrate_set_capability_completion(ReadLineState *rs, int nb_args,
3546 readline_set_completion_index(rs, len);
3549 for (i = 0; i < MIGRATION_CAPABILITY__MAX; i++) {
3550 const char *name = MigrationCapability_str(i);
3551 if (!strncmp(str, name, len)) {
3552 readline_add_completion(rs, name);
3555 } else if (nb_args == 3) {
3556 add_completion_option(rs, str, "on");
3557 add_completion_option(rs, str, "off");
3561 void migrate_set_parameter_completion(ReadLineState *rs, int nb_args,
3567 readline_set_completion_index(rs, len);
3570 for (i = 0; i < MIGRATION_PARAMETER__MAX; i++) {
3571 const char *name = MigrationParameter_str(i);
3572 if (!strncmp(str, name, len)) {
3573 readline_add_completion(rs, name);
3579 void host_net_add_completion(ReadLineState *rs, int nb_args, const char *str)
3587 readline_set_completion_index(rs, len);
3588 for (i = 0; host_net_devices[i]; i++) {
3589 if (!strncmp(host_net_devices[i], str, len)) {
3590 readline_add_completion(rs, host_net_devices[i]);
3595 void host_net_remove_completion(ReadLineState *rs, int nb_args, const char *str)
3597 NetClientState *ncs[MAX_QUEUE_NUM];
3601 readline_set_completion_index(rs, len);
3603 count = qemu_find_net_clients_except(NULL, ncs,
3604 NET_CLIENT_DRIVER_NONE,
3606 for (i = 0; i < MIN(count, MAX_QUEUE_NUM); i++) {
3610 if (net_hub_id_for_client(ncs[i], &id)) {
3613 snprintf(name, sizeof(name), "%d", id);
3614 if (!strncmp(str, name, len)) {
3615 readline_add_completion(rs, name);
3619 } else if (nb_args == 3) {
3620 count = qemu_find_net_clients_except(NULL, ncs,
3621 NET_CLIENT_DRIVER_NIC,
3623 for (i = 0; i < MIN(count, MAX_QUEUE_NUM); i++) {
3627 if (ncs[i]->info->type == NET_CLIENT_DRIVER_HUBPORT ||
3628 net_hub_id_for_client(ncs[i], &id)) {
3631 name = ncs[i]->name;
3632 if (!strncmp(str, name, len)) {
3633 readline_add_completion(rs, name);
3640 static void vm_completion(ReadLineState *rs, const char *str)
3643 BlockDriverState *bs;
3644 BdrvNextIterator it;
3647 readline_set_completion_index(rs, len);
3649 for (bs = bdrv_first(&it); bs; bs = bdrv_next(&it)) {
3650 SnapshotInfoList *snapshots, *snapshot;
3651 AioContext *ctx = bdrv_get_aio_context(bs);
3654 aio_context_acquire(ctx);
3655 if (bdrv_can_snapshot(bs)) {
3656 ok = bdrv_query_snapshot_info_list(bs, &snapshots, NULL) == 0;
3658 aio_context_release(ctx);
3663 snapshot = snapshots;
3665 char *completion = snapshot->value->name;
3666 if (!strncmp(str, completion, len)) {
3667 readline_add_completion(rs, completion);
3669 completion = snapshot->value->id;
3670 if (!strncmp(str, completion, len)) {
3671 readline_add_completion(rs, completion);
3673 snapshot = snapshot->next;
3675 qapi_free_SnapshotInfoList(snapshots);
3680 void delvm_completion(ReadLineState *rs, int nb_args, const char *str)
3683 vm_completion(rs, str);
3687 void loadvm_completion(ReadLineState *rs, int nb_args, const char *str)
3690 vm_completion(rs, str);
3694 static void monitor_find_completion_by_table(Monitor *mon,
3695 const mon_cmd_t *cmd_table,
3699 const char *cmdname;
3701 const char *ptype, *str, *name;
3702 const mon_cmd_t *cmd;
3703 BlockBackend *blk = NULL;
3706 /* command completion */
3711 readline_set_completion_index(mon->rs, strlen(cmdname));
3712 for (cmd = cmd_table; cmd->name != NULL; cmd++) {
3713 cmd_completion(mon, cmdname, cmd->name);
3716 /* find the command */
3717 for (cmd = cmd_table; cmd->name != NULL; cmd++) {
3718 if (compare_cmd(args[0], cmd->name)) {
3726 if (cmd->sub_table) {
3727 /* do the job again */
3728 monitor_find_completion_by_table(mon, cmd->sub_table,
3729 &args[1], nb_args - 1);
3732 if (cmd->command_completion) {
3733 cmd->command_completion(mon->rs, nb_args, args[nb_args - 1]);
3737 ptype = next_arg_type(cmd->args_type);
3738 for(i = 0; i < nb_args - 2; i++) {
3739 if (*ptype != '\0') {
3740 ptype = next_arg_type(ptype);
3741 while (*ptype == '?')
3742 ptype = next_arg_type(ptype);
3745 str = args[nb_args - 1];
3746 while (*ptype == '-' && ptype[1] != '\0') {
3747 ptype = next_arg_type(ptype);
3751 /* file completion */
3752 readline_set_completion_index(mon->rs, strlen(str));
3753 file_completion(mon, str);
3756 /* block device name completion */
3757 readline_set_completion_index(mon->rs, strlen(str));
3758 while ((blk = blk_next(blk)) != NULL) {
3759 name = blk_name(blk);
3760 if (str[0] == '\0' ||
3761 !strncmp(name, str, strlen(str))) {
3762 readline_add_completion(mon->rs, name);
3768 if (!strcmp(cmd->name, "help|?")) {
3769 monitor_find_completion_by_table(mon, cmd_table,
3770 &args[1], nb_args - 1);
3779 static void monitor_find_completion(void *opaque,
3780 const char *cmdline)
3782 Monitor *mon = opaque;
3783 char *args[MAX_ARGS];
3786 /* 1. parse the cmdline */
3787 if (parse_cmdline(cmdline, &nb_args, args) < 0) {
3791 /* if the line ends with a space, it means we want to complete the
3793 len = strlen(cmdline);
3794 if (len > 0 && qemu_isspace(cmdline[len - 1])) {
3795 if (nb_args >= MAX_ARGS) {
3798 args[nb_args++] = g_strdup("");
3801 /* 2. auto complete according to args */
3802 monitor_find_completion_by_table(mon, mon->cmd_table, args, nb_args);
3805 free_cmdline_args(args, nb_args);
3808 static int monitor_can_read(void *opaque)
3810 Monitor *mon = opaque;
3812 return (mon->suspend_cnt == 0) ? 1 : 0;
3815 static void handle_qmp_command(JSONMessageParser *parser, GQueue *tokens)
3817 QObject *req, *rsp = NULL, *id = NULL;
3818 QDict *qdict = NULL;
3819 Monitor *mon = cur_mon;
3822 req = json_parser_parse_err(tokens, NULL, &err);
3824 /* json_parser_parse_err() sucks: can fail without setting @err */
3825 error_setg(&err, QERR_JSON_PARSING);
3831 qdict = qobject_to_qdict(req);
3833 id = qdict_get(qdict, "id");
3835 qdict_del(qdict, "id");
3836 } /* else will fail qmp_dispatch() */
3838 if (trace_event_get_state_backends(TRACE_HANDLE_QMP_COMMAND)) {
3839 QString *req_json = qobject_to_json(req);
3840 trace_handle_qmp_command(mon, qstring_get_str(req_json));
3844 rsp = qmp_dispatch(cur_mon->qmp.commands, req);
3846 if (mon->qmp.commands == &qmp_cap_negotiation_commands) {
3847 qdict = qdict_get_qdict(qobject_to_qdict(rsp), "error");
3849 && !g_strcmp0(qdict_get_try_str(qdict, "class"),
3850 QapiErrorClass_str(ERROR_CLASS_COMMAND_NOT_FOUND))) {
3851 /* Provide a more useful error message */
3852 qdict_del(qdict, "desc");
3853 qdict_put_str(qdict, "desc", "Expecting capabilities negotiation"
3854 " with 'qmp_capabilities'");
3860 qdict = qdict_new();
3861 qdict_put_obj(qdict, "error", qmp_build_error_object(err));
3863 rsp = QOBJECT(qdict);
3868 qdict_put_obj(qobject_to_qdict(rsp), "id", id);
3872 monitor_json_emitter(mon, rsp);
3876 qobject_decref(rsp);
3877 qobject_decref(req);
3880 static void monitor_qmp_read(void *opaque, const uint8_t *buf, int size)
3882 Monitor *old_mon = cur_mon;
3886 json_message_parser_feed(&cur_mon->qmp.parser, (const char *) buf, size);
3891 static void monitor_read(void *opaque, const uint8_t *buf, int size)
3893 Monitor *old_mon = cur_mon;
3899 for (i = 0; i < size; i++)
3900 readline_handle_byte(cur_mon->rs, buf[i]);
3902 if (size == 0 || buf[size - 1] != 0)
3903 monitor_printf(cur_mon, "corrupted command\n");
3905 handle_hmp_command(cur_mon, (char *)buf);
3911 static void monitor_command_cb(void *opaque, const char *cmdline,
3912 void *readline_opaque)
3914 Monitor *mon = opaque;
3916 monitor_suspend(mon);
3917 handle_hmp_command(mon, cmdline);
3918 monitor_resume(mon);
3921 int monitor_suspend(Monitor *mon)
3929 void monitor_resume(Monitor *mon)
3933 if (--mon->suspend_cnt == 0)
3934 readline_show_prompt(mon->rs);
3937 static QObject *get_qmp_greeting(void)
3939 QObject *ver = NULL;
3941 qmp_marshal_query_version(NULL, &ver, NULL);
3943 return qobject_from_jsonf("{'QMP': {'version': %p, 'capabilities': []}}",
3947 static void monitor_qmp_event(void *opaque, int event)
3950 Monitor *mon = opaque;
3953 case CHR_EVENT_OPENED:
3954 mon->qmp.commands = &qmp_cap_negotiation_commands;
3955 data = get_qmp_greeting();
3956 monitor_json_emitter(mon, data);
3957 qobject_decref(data);
3960 case CHR_EVENT_CLOSED:
3961 json_message_parser_destroy(&mon->qmp.parser);
3962 json_message_parser_init(&mon->qmp.parser, handle_qmp_command);
3964 monitor_fdsets_cleanup();
3969 static void monitor_event(void *opaque, int event)
3971 Monitor *mon = opaque;
3974 case CHR_EVENT_MUX_IN:
3975 qemu_mutex_lock(&mon->out_lock);
3977 qemu_mutex_unlock(&mon->out_lock);
3978 if (mon->reset_seen) {
3979 readline_restart(mon->rs);
3980 monitor_resume(mon);
3983 mon->suspend_cnt = 0;
3987 case CHR_EVENT_MUX_OUT:
3988 if (mon->reset_seen) {
3989 if (mon->suspend_cnt == 0) {
3990 monitor_printf(mon, "\n");
3993 monitor_suspend(mon);
3997 qemu_mutex_lock(&mon->out_lock);
3999 qemu_mutex_unlock(&mon->out_lock);
4002 case CHR_EVENT_OPENED:
4003 monitor_printf(mon, "QEMU %s monitor - type 'help' for more "
4004 "information\n", QEMU_VERSION);
4005 if (!mon->mux_out) {
4006 readline_restart(mon->rs);
4007 readline_show_prompt(mon->rs);
4009 mon->reset_seen = 1;
4013 case CHR_EVENT_CLOSED:
4015 monitor_fdsets_cleanup();
4021 compare_mon_cmd(const void *a, const void *b)
4023 return strcmp(((const mon_cmd_t *)a)->name,
4024 ((const mon_cmd_t *)b)->name);
4027 static void sortcmdlist(void)
4030 int elem_size = sizeof(mon_cmd_t);
4032 array_num = sizeof(mon_cmds)/elem_size-1;
4033 qsort((void *)mon_cmds, array_num, elem_size, compare_mon_cmd);
4035 array_num = sizeof(info_cmds)/elem_size-1;
4036 qsort((void *)info_cmds, array_num, elem_size, compare_mon_cmd);
4039 /* These functions just adapt the readline interface in a typesafe way. We
4040 * could cast function pointers but that discards compiler checks.
4042 static void GCC_FMT_ATTR(2, 3) monitor_readline_printf(void *opaque,
4043 const char *fmt, ...)
4047 monitor_vprintf(opaque, fmt, ap);
4051 static void monitor_readline_flush(void *opaque)
4053 monitor_flush(opaque);
4057 * Print to current monitor if we have one, else to stderr.
4058 * TODO should return int, so callers can calculate width, but that
4059 * requires surgery to monitor_vprintf(). Left for another day.
4061 void error_vprintf(const char *fmt, va_list ap)
4063 if (cur_mon && !monitor_cur_is_qmp()) {
4064 monitor_vprintf(cur_mon, fmt, ap);
4066 vfprintf(stderr, fmt, ap);
4070 void error_vprintf_unless_qmp(const char *fmt, va_list ap)
4072 if (cur_mon && !monitor_cur_is_qmp()) {
4073 monitor_vprintf(cur_mon, fmt, ap);
4074 } else if (!cur_mon) {
4075 vfprintf(stderr, fmt, ap);
4079 static void __attribute__((constructor)) monitor_lock_init(void)
4081 qemu_mutex_init(&monitor_lock);
4084 void monitor_init(Chardev *chr, int flags)
4086 static int is_first_init = 1;
4089 if (is_first_init) {
4090 monitor_qapi_event_init();
4095 mon = g_malloc(sizeof(*mon));
4096 monitor_data_init(mon);
4098 qemu_chr_fe_init(&mon->chr, chr, &error_abort);
4100 if (flags & MONITOR_USE_READLINE) {
4101 mon->rs = readline_init(monitor_readline_printf,
4102 monitor_readline_flush,
4104 monitor_find_completion);
4105 monitor_read_command(mon, 0);
4108 if (monitor_is_qmp(mon)) {
4109 qemu_chr_fe_set_handlers(&mon->chr, monitor_can_read, monitor_qmp_read,
4110 monitor_qmp_event, NULL, mon, NULL, true);
4111 qemu_chr_fe_set_echo(&mon->chr, true);
4112 json_message_parser_init(&mon->qmp.parser, handle_qmp_command);
4114 qemu_chr_fe_set_handlers(&mon->chr, monitor_can_read, monitor_read,
4115 monitor_event, NULL, mon, NULL, true);
4118 qemu_mutex_lock(&monitor_lock);
4119 QLIST_INSERT_HEAD(&mon_list, mon, entry);
4120 qemu_mutex_unlock(&monitor_lock);
4123 void monitor_cleanup(void)
4125 Monitor *mon, *next;
4127 qemu_mutex_lock(&monitor_lock);
4128 QLIST_FOREACH_SAFE(mon, &mon_list, entry, next) {
4129 QLIST_REMOVE(mon, entry);
4130 monitor_data_destroy(mon);
4133 qemu_mutex_unlock(&monitor_lock);
4136 QemuOptsList qemu_mon_opts = {
4138 .implied_opt_name = "chardev",
4139 .head = QTAILQ_HEAD_INITIALIZER(qemu_mon_opts.head),
4143 .type = QEMU_OPT_STRING,
4146 .type = QEMU_OPT_STRING,
4148 .name = "default", /* deprecated */
4149 .type = QEMU_OPT_BOOL,
4152 .type = QEMU_OPT_BOOL,
4154 { /* end of list */ }
4159 void qmp_rtc_reset_reinjection(Error **errp)
4161 error_setg(errp, QERR_FEATURE_DISABLED, "rtc-reset-reinjection");
4165 #ifndef TARGET_S390X
4166 void qmp_dump_skeys(const char *filename, Error **errp)
4168 error_setg(errp, QERR_FEATURE_DISABLED, "dump-skeys");
4173 GICCapabilityList *qmp_query_gic_capabilities(Error **errp)
4175 error_setg(errp, QERR_FEATURE_DISABLED, "query-gic-capabilities");
4180 HotpluggableCPUList *qmp_query_hotpluggable_cpus(Error **errp)
4182 MachineState *ms = MACHINE(qdev_get_machine());
4183 MachineClass *mc = MACHINE_GET_CLASS(ms);
4185 if (!mc->has_hotpluggable_cpus) {
4186 error_setg(errp, QERR_FEATURE_DISABLED, "query-hotpluggable-cpus");
4190 return machine_query_hotpluggable_cpus(ms);