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qemu-doc: deprecate query-cpus
[qemu.git] / monitor.c
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9dc39cba
FB		 1/*
2 * QEMU monitor
5fafdf24 3 *
9dc39cba 4 * Copyright (c) 2003-2004 Fabrice Bellard
5fafdf24 5 *
9dc39cba
FB		 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:
12 *
13 * The above copyright notice and this permission notice shall be included in
14 * all copies or substantial portions of the Software.
15 *
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
22 * THE SOFTWARE.
23 */
e688df6b 24
d38ea87a 25#include "qemu/osdep.h"
511d2b14 26#include <dirent.h>
33c11879 27#include "cpu.h"
87ecb68b 28#include "hw/hw.h"
b4a42f81 29#include "monitor/qdev.h"
87ecb68b 30#include "hw/usb.h"
a2cb15b0 31#include "hw/pci/pci.h"
0d09e41a 32#include "sysemu/watchdog.h"
45a50b16 33#include "hw/loader.h"
022c62cb 34#include "exec/gdbstub.h"
1422e32d 35#include "net/net.h"
68ac40d2 36#include "net/slirp.h"
4d43a603 37#include "chardev/char-fe.h"
7572150c 38#include "ui/qemu-spice.h"
e35704ba 39#include "sysemu/numa.h"
83c9089e 40#include "monitor/monitor.h"
213dcb06 41#include "qemu/config-file.h"
0150cd81 42#include "qemu/readline.h"
28ecbaee 43#include "ui/console.h"
c751a74a 44#include "ui/input.h"
9c17d615 45#include "sysemu/blockdev.h"
da27a00e 46#include "sysemu/block-backend.h"
87ecb68b 47#include "audio/audio.h"
76cad711 48#include "disas/disas.h"
9c17d615 49#include "sysemu/balloon.h"
1de7afc9 50#include "qemu/timer.h"
b3946626 51#include "sysemu/hw_accel.h"
1de7afc9 52#include "qemu/acl.h"
bdee56f5 53#include "sysemu/tpm.h"
452fcdbc 54#include "qapi/qmp/qdict.h"
cc7a8ea7 55#include "qapi/qmp/qerror.h"
15280c36 56#include "qapi/qmp/qnum.h"
fc81fa1e 57#include "qapi/qmp/qstring.h"
7b1b5d19
PB		 58#include "qapi/qmp/qjson.h"
59#include "qapi/qmp/json-streamer.h"
60#include "qapi/qmp/json-parser.h"
a9c94277 61#include "qom/object_interfaces.h"
0ab8ed18 62#include "trace-root.h"
31965ae2 63#include "trace/control.h"
bf957284 64#include "monitor/hmp-target.h"
6d8a764e 65#ifdef CONFIG_TRACE_SIMPLE
31965ae2 66#include "trace/simple.h"
22890ab5 67#endif
022c62cb 68#include "exec/memory.h"
63c91552 69#include "exec/exec-all.h"
03dd024f 70#include "qemu/log.h"
922a01a0 71#include "qemu/option.h"
48a32bed
AL		 72#include "qmp-commands.h"
73#include "hmp.h"
1de7afc9 74#include "qemu/thread.h"
b21631f3 75#include "block/qapi.h"
e688df6b 76#include "qapi/error.h"
43a14cfc
WX		 77#include "qapi/qmp-event.h"
78#include "qapi-event.h"
39a18158 79#include "qmp-introspect.h"
dc599978 80#include "sysemu/qtest.h"
d2528bdc 81#include "sysemu/cpus.h"
f348b6d1 82#include "qemu/cutils.h"
6a5bd307 83
a4538a5c
JH		 84#if defined(TARGET_S390X)
85#include "hw/s390x/storage-keys.h"
f860d497 86#include "hw/s390x/storage-attributes.h"
a4538a5c
JH		 87#endif
88
9307c4c1
FB		 89/*
90 * Supported types:
5fafdf24 91 *
9307c4c1 92 * 'F' filename
81d0912d 93 * 'B' block device name
9307c4c1 94 * 's' string (accept optional quote)
129be006 95 * 'S' it just appends the rest of the string (accept optional quote)
361127df
MA		 96 * 'O' option string of the form NAME=VALUE,...
97 * parsed according to QemuOptsList given by its name
98 * Example: 'device:O' uses qemu_device_opts.
99 * Restriction: only lists with empty desc are supported
100 * TODO lift the restriction
92a31b1f
FB		 101 * 'i' 32 bit integer
102 * 'l' target long (32 or 64 bit)
91162849
LC		 103 * 'M' Non-negative target long (32 or 64 bit), in user mode the
104 * value is multiplied by 2^20 (think Mebibyte)
dbc0c67f 105 * 'o' octets (aka bytes)
5e00984a
KW		 106 * user mode accepts an optional E, e, P, p, T, t, G, g, M, m,
107 * K, k suffix, which multiplies the value by 2^60 for suffixes E
108 * and e, 2^50 for suffixes P and p, 2^40 for suffixes T and t,
109 * 2^30 for suffixes G and g, 2^20 for M and m, 2^10 for K and k
fccfb11e
MA		 110 * 'T' double
111 * user mode accepts an optional ms, us, ns suffix,
112 * which divides the value by 1e3, 1e6, 1e9, respectively
9307c4c1
FB		 113 * '/' optional gdb-like print format (like "/10x")
114 *
fb46660e
LC		 115 * '?' optional type (for all types, except '/')
116 * '.' other form of optional type (for 'i' and 'l')
942cd1f2
MA		 117 * 'b' boolean
118 * user mode accepts "on" or "off"
fb46660e 119 * '-' optional parameter (eg. '-f')
9307c4c1
FB		 120 *
121 */
122
c227f099 123typedef struct mon_cmd_t {
9dc39cba 124 const char *name;
9307c4c1 125 const char *args_type;
9dc39cba
FB		 126 const char *params;
127 const char *help;
2b9e3576
MAL		 128 void (*cmd)(Monitor *mon, const QDict *qdict);
129 /* @sub_table is a list of 2nd level of commands. If it does not exist,
130 * cmd should be used. If it exists, sub_table[?].cmd should be
131 * used, and cmd of 1st level plays the role of help function.
5f3d335f
WX		 132 */
133 struct mon_cmd_t *sub_table;
bfa40f77 134 void (*command_completion)(ReadLineState *rs, int nb_args, const char *str);
c227f099 135} mon_cmd_t;
9dc39cba 136
f07918fd 137/* file descriptors passed via SCM_RIGHTS */
c227f099
AL		 138typedef struct mon_fd_t mon_fd_t;
139struct mon_fd_t {
f07918fd
MM		 140 char *name;
141 int fd;
c227f099 142 QLIST_ENTRY(mon_fd_t) next;
f07918fd
MM		 143};
144
ba1c048a
CB		 145/* file descriptor associated with a file descriptor set */
146typedef struct MonFdsetFd MonFdsetFd;
147struct MonFdsetFd {
148 int fd;
149 bool removed;
150 char *opaque;
151 QLIST_ENTRY(MonFdsetFd) next;
152};
153
154/* file descriptor set containing fds passed via SCM_RIGHTS */
155typedef struct MonFdset MonFdset;
156struct MonFdset {
157 int64_t id;
158 QLIST_HEAD(, MonFdsetFd) fds;
adb696f3 159 QLIST_HEAD(, MonFdsetFd) dup_fds;
ba1c048a
CB		 160 QLIST_ENTRY(MonFdset) next;
161};
162
74358f2a 163typedef struct {
5fa737a4 164 JSONMessageParser parser;
f994b258
MA		 165 /*
166 * When a client connects, we're in capabilities negotiation mode.
167 * When command qmp_capabilities succeeds, we go into command
168 * mode.
169 */
635db18f 170 QmpCommandList *commands;
74358f2a 171} MonitorQMP;
5fa737a4 172
afeecec2
DB		 173/*
174 * To prevent flooding clients, events can be throttled. The
175 * throttling is calculated globally, rather than per-Monitor
176 * instance.
177 */
43a14cfc 178typedef struct MonitorQAPIEventState {
7de0be65
MA		 179 QAPIEvent event; /* Throttling state for this event type and... */
180 QDict *data; /* ... data, see qapi_event_throttle_equal() */
afeecec2 181 QEMUTimer *timer; /* Timer for handling delayed events */
688b4b7d 182 QDict *qdict; /* Delayed event (if any) */
43a14cfc 183} MonitorQAPIEventState;
afeecec2 184
b9b03ab0
MA		 185typedef struct {
186 int64_t rate; /* Minimum time (in ns) between two events */
187} MonitorQAPIEventConf;
188
87127161 189struct Monitor {
32a6ebec 190 CharBackend chr;
a7aec5da 191 int reset_seen;
731b0364
AL		 192 int flags;
193 int suspend_cnt;
48c043d0 194 bool skip_flush;
6cff3e85
PB		 195
196 QemuMutex out_lock;
e1f2641b 197 QString *outbuf;
6cff3e85
PB		 198 guint out_watch;
199
200 /* Read under either BQL or out_lock, written with BQL+out_lock. */
201 int mux_out;
202
731b0364 203 ReadLineState *rs;
74358f2a 204 MonitorQMP qmp;
751f8cfe 205 gchar *mon_cpu_path;
097310b5 206 BlockCompletionFunc *password_completion_cb;
731b0364 207 void *password_opaque;
7717239d 208 mon_cmd_t *cmd_table;
c227f099 209 QLIST_HEAD(,mon_fd_t) fds;
72cf2d4f 210 QLIST_ENTRY(Monitor) entry;
87127161
AL		 211};
212
2dbc8db0
LC		 213/* QMP checker flags */
214#define QMP_ACCEPT_UNKNOWNS 1
215
d622cb58
PB		 216/* Protects mon_list, monitor_event_state. */
217static QemuMutex monitor_lock;
218
72cf2d4f 219static QLIST_HEAD(mon_list, Monitor) mon_list;
ba1c048a 220static QLIST_HEAD(mon_fdsets, MonFdset) mon_fdsets;
efb87c16 221static int mon_refcount;
7e2515e8 222
816f8925
WX		 223static mon_cmd_t mon_cmds[];
224static mon_cmd_t info_cmds[];
9dc39cba 225
635db18f 226QmpCommandList qmp_commands, qmp_cap_negotiation_commands;
1527badb 227
8631b608 228Monitor *cur_mon;
376253ec 229
dc599978
AG		 230static QEMUClockType event_clock_type = QEMU_CLOCK_REALTIME;
231
c60bf339
SH		 232static void monitor_command_cb(void *opaque, const char *cmdline,
233 void *readline_opaque);
83ab7950 234
9f3982f2
MA		 235/**
236 * Is @mon a QMP monitor?
237 */
238static inline bool monitor_is_qmp(const Monitor *mon)
418173c7
LC		 239{
240 return (mon->flags & MONITOR_USE_CONTROL);
241}
242
489653b5
MA		 243/**
244 * Is the current monitor, if any, a QMP monitor?
245 */
246bool monitor_cur_is_qmp(void)
6620d3ce 247{
9f3982f2 248 return cur_mon && monitor_is_qmp(cur_mon);
6620d3ce
MA		 249}
250
7060b478 251void monitor_read_command(Monitor *mon, int show_prompt)
731b0364 252{
183e6e52
LC		 253 if (!mon->rs)
254 return;
255
731b0364
AL		 256 readline_start(mon->rs, "(qemu) ", 0, monitor_command_cb, NULL);
257 if (show_prompt)
258 readline_show_prompt(mon->rs);
259}
6a00d601 260
7060b478
AL		 261int monitor_read_password(Monitor *mon, ReadLineFunc *readline_func,
262 void *opaque)
bb5fc20f 263{
bcf5d19c 264 if (mon->rs) {
cde76ee1
AL		 265 readline_start(mon->rs, "Password: ", 1, readline_func, opaque);
266 /* prompt is printed on return from the command handler */
267 return 0;
268 } else {
269 monitor_printf(mon, "terminal does not support password prompting\n");
270 return -ENOTTY;
271 }
bb5fc20f
AL		 272}
273
6cff3e85
PB		 274static void monitor_flush_locked(Monitor *mon);
275
f628926b
GH		 276static gboolean monitor_unblocked(GIOChannel *chan, GIOCondition cond,
277 void *opaque)
278{
293d2a00
LE		 279 Monitor *mon = opaque;
280
6cff3e85
PB		 281 qemu_mutex_lock(&mon->out_lock);
282 mon->out_watch = 0;
283 monitor_flush_locked(mon);
284 qemu_mutex_unlock(&mon->out_lock);
f628926b
GH		 285 return FALSE;
286}
287
6cff3e85
PB		 288/* Called with mon->out_lock held. */
289static void monitor_flush_locked(Monitor *mon)
7e2515e8 290{
f628926b 291 int rc;
e1f2641b
LC		 292 size_t len;
293 const char *buf;
294
48c043d0
LC		 295 if (mon->skip_flush) {
296 return;
297 }
298
e1f2641b
LC		 299 buf = qstring_get_str(mon->outbuf);
300 len = qstring_get_length(mon->outbuf);
f628926b 301
a4cc73d6 302 if (len && !mon->mux_out) {
5345fdb4 303 rc = qemu_chr_fe_write(&mon->chr, (const uint8_t *) buf, len);
056f49ff
SP		 304 if ((rc < 0 && errno != EAGAIN) || (rc == len)) {
305 /* all flushed or error */
e1f2641b
LC		 306 QDECREF(mon->outbuf);
307 mon->outbuf = qstring_new();
f628926b
GH		 308 return;
309 }
310 if (rc > 0) {
3b7c78c8 311 /* partial write */
e1f2641b
LC		 312 QString *tmp = qstring_from_str(buf + rc);
313 QDECREF(mon->outbuf);
314 mon->outbuf = tmp;
f628926b 315 }
6cff3e85 316 if (mon->out_watch == 0) {
32a6ebec 317 mon->out_watch =
5345fdb4 318 qemu_chr_fe_add_watch(&mon->chr, G_IO_OUT | G_IO_HUP,
32a6ebec 319 monitor_unblocked, mon);
293d2a00 320 }
7e2515e8
FB		 321 }
322}
323
6cff3e85
PB		 324void monitor_flush(Monitor *mon)
325{
326 qemu_mutex_lock(&mon->out_lock);
327 monitor_flush_locked(mon);
328 qemu_mutex_unlock(&mon->out_lock);
329}
330
e1f2641b 331/* flush at every end of line */
376253ec 332static void monitor_puts(Monitor *mon, const char *str)
7e2515e8 333{
60fe76f3 334 char c;
731b0364 335
6cff3e85 336 qemu_mutex_lock(&mon->out_lock);
7e2515e8
FB		 337 for(;;) {
338 c = *str++;
339 if (c == '\0')
340 break;
e1f2641b
LC		 341 if (c == '\n') {
342 qstring_append_chr(mon->outbuf, '\r');
343 }
344 qstring_append_chr(mon->outbuf, c);
345 if (c == '\n') {
6cff3e85 346 monitor_flush_locked(mon);
e1f2641b 347 }
7e2515e8 348 }
6cff3e85 349 qemu_mutex_unlock(&mon->out_lock);
7e2515e8
FB		 350}
351
376253ec 352void monitor_vprintf(Monitor *mon, const char *fmt, va_list ap)
9dc39cba 353{
e1f2641b 354 char *buf;
b8b08266 355
2daa1191
LC		 356 if (!mon)
357 return;
358
9f3982f2 359 if (monitor_is_qmp(mon)) {
b8b08266 360 return;
4a29a85d 361 }
b8b08266 362
e1f2641b 363 buf = g_strdup_vprintf(fmt, ap);
b8b08266 364 monitor_puts(mon, buf);
e1f2641b 365 g_free(buf);
9dc39cba
FB		 366}
367
376253ec 368void monitor_printf(Monitor *mon, const char *fmt, ...)
9dc39cba 369{
7e2515e8
FB		 370 va_list ap;
371 va_start(ap, fmt);
376253ec 372 monitor_vprintf(mon, fmt, ap);
7e2515e8 373 va_end(ap);
9dc39cba
FB		 374}
375
caf15319 376int monitor_fprintf(FILE *stream, const char *fmt, ...)
7fe48483
FB		 377{
378 va_list ap;
379 va_start(ap, fmt);
376253ec 380 monitor_vprintf((Monitor *)stream, fmt, ap);
7fe48483
FB		 381 va_end(ap);
382 return 0;
383}
384
9b57c02e
LC		 385static void monitor_json_emitter(Monitor *mon, const QObject *data)
386{
387 QString *json;
388
83a27d4d
LC		 389 json = mon->flags & MONITOR_USE_PRETTY ? qobject_to_json_pretty(data) :
390 qobject_to_json(data);
9b57c02e
LC		 391 assert(json != NULL);
392
b8b08266
LC		 393 qstring_append_chr(json, '\n');
394 monitor_puts(mon, qstring_get_str(json));
4a29a85d 395
9b57c02e
LC		 396 QDECREF(json);
397}
398
7fb1cf16 399static MonitorQAPIEventConf monitor_qapi_event_conf[QAPI_EVENT__MAX] = {
b9b03ab0
MA		 400 /* Limit guest-triggerable events to 1 per second */
401 [QAPI_EVENT_RTC_CHANGE] = { 1000 * SCALE_MS },
402 [QAPI_EVENT_WATCHDOG] = { 1000 * SCALE_MS },
403 [QAPI_EVENT_BALLOON_CHANGE] = { 1000 * SCALE_MS },
404 [QAPI_EVENT_QUORUM_REPORT_BAD] = { 1000 * SCALE_MS },
405 [QAPI_EVENT_QUORUM_FAILURE] = { 1000 * SCALE_MS },
406 [QAPI_EVENT_VSERPORT_CHANGE] = { 1000 * SCALE_MS },
407};
408
a24712af 409GHashTable *monitor_qapi_event_state;
afeecec2
DB		 410
411/*
43a14cfc 412 * Emits the event to every monitor instance, @event is only used for trace
d622cb58 413 * Called with monitor_lock held.
afeecec2 414 */
688b4b7d 415static void monitor_qapi_event_emit(QAPIEvent event, QDict *qdict)
afeecec2
DB		 416{
417 Monitor *mon;
418
688b4b7d 419 trace_monitor_protocol_event_emit(event, qdict);
afeecec2 420 QLIST_FOREACH(mon, &mon_list, entry) {
635db18f
MA		 421 if (monitor_is_qmp(mon)
422 && mon->qmp.commands != &qmp_cap_negotiation_commands) {
688b4b7d 423 monitor_json_emitter(mon, QOBJECT(qdict));
afeecec2
DB		 424 }
425 }
426}
427
a24712af
MA		 428static void monitor_qapi_event_handler(void *opaque);
429
afeecec2
DB		 430/*
431 * Queue a new event for emission to Monitor instances,
432 * applying any rate limiting if required.
433 */
434static void
688b4b7d 435monitor_qapi_event_queue(QAPIEvent event, QDict *qdict, Error **errp)
afeecec2 436{
b9b03ab0 437 MonitorQAPIEventConf *evconf;
43a14cfc 438 MonitorQAPIEventState *evstate;
afeecec2 439
7fb1cf16 440 assert(event < QAPI_EVENT__MAX);
b9b03ab0 441 evconf = &monitor_qapi_event_conf[event];
b9b03ab0 442 trace_monitor_protocol_event_queue(event, qdict, evconf->rate);
afeecec2 443
d622cb58 444 qemu_mutex_lock(&monitor_lock);
93f8f982 445
b9b03ab0 446 if (!evconf->rate) {
93f8f982 447 /* Unthrottled event */
688b4b7d 448 monitor_qapi_event_emit(event, qdict);
afeecec2 449 } else {
7de0be65
MA		 450 QDict *data = qobject_to_qdict(qdict_get(qdict, "data"));
451 MonitorQAPIEventState key = { .event = event, .data = data };
a24712af
MA		 452
453 evstate = g_hash_table_lookup(monitor_qapi_event_state, &key);
454 assert(!evstate || timer_pending(evstate->timer));
455
456 if (evstate) {
93f8f982 457 /*
b9b03ab0 458 * Timer is pending for (at least) evconf->rate ns after
93f8f982
MA		 459 * last send. Store event for sending when timer fires,
460 * replacing a prior stored event if any.
afeecec2 461 */
93f8f982 462 QDECREF(evstate->qdict);
688b4b7d
MA		 463 evstate->qdict = qdict;
464 QINCREF(evstate->qdict);
afeecec2 465 } else {
93f8f982 466 /*
b9b03ab0 467 * Last send was (at least) evconf->rate ns ago.
93f8f982 468 * Send immediately, and arm the timer to call
b9b03ab0 469 * monitor_qapi_event_handler() in evconf->rate ns. Any
93f8f982
MA		 470 * events arriving before then will be delayed until then.
471 */
dc599978 472 int64_t now = qemu_clock_get_ns(event_clock_type);
93f8f982 473
688b4b7d 474 monitor_qapi_event_emit(event, qdict);
a24712af
MA		 475
476 evstate = g_new(MonitorQAPIEventState, 1);
477 evstate->event = event;
7de0be65
MA		 478 evstate->data = data;
479 QINCREF(evstate->data);
a24712af 480 evstate->qdict = NULL;
dc599978 481 evstate->timer = timer_new_ns(event_clock_type,
a24712af
MA		 482 monitor_qapi_event_handler,
483 evstate);
484 g_hash_table_add(monitor_qapi_event_state, evstate);
b9b03ab0 485 timer_mod_ns(evstate->timer, now + evconf->rate);
afeecec2
DB		 486 }
487 }
93f8f982 488
d622cb58 489 qemu_mutex_unlock(&monitor_lock);
afeecec2
DB		 490}
491
afeecec2 492/*
b9b03ab0 493 * This function runs evconf->rate ns after sending a throttled
93f8f982
MA		 494 * event.
495 * If another event has since been stored, send it.
afeecec2 496 */
43a14cfc 497static void monitor_qapi_event_handler(void *opaque)
afeecec2 498{
43a14cfc 499 MonitorQAPIEventState *evstate = opaque;
b9b03ab0 500 MonitorQAPIEventConf *evconf = &monitor_qapi_event_conf[evstate->event];
afeecec2 501
93f8f982 502 trace_monitor_protocol_event_handler(evstate->event, evstate->qdict);
d622cb58 503 qemu_mutex_lock(&monitor_lock);
93f8f982 504
688b4b7d 505 if (evstate->qdict) {
dc599978 506 int64_t now = qemu_clock_get_ns(event_clock_type);
93f8f982 507
688b4b7d
MA		 508 monitor_qapi_event_emit(evstate->event, evstate->qdict);
509 QDECREF(evstate->qdict);
510 evstate->qdict = NULL;
b9b03ab0 511 timer_mod_ns(evstate->timer, now + evconf->rate);
a24712af
MA		 512 } else {
513 g_hash_table_remove(monitor_qapi_event_state, evstate);
7de0be65 514 QDECREF(evstate->data);
a24712af
MA		 515 timer_free(evstate->timer);
516 g_free(evstate);
afeecec2 517 }
93f8f982 518
d622cb58 519 qemu_mutex_unlock(&monitor_lock);
afeecec2
DB		 520}
521
a24712af 522static unsigned int qapi_event_throttle_hash(const void *key)
afeecec2 523{
a24712af 524 const MonitorQAPIEventState *evstate = key;
7de0be65 525 unsigned int hash = evstate->event * 255;
afeecec2 526
7de0be65
MA		 527 if (evstate->event == QAPI_EVENT_VSERPORT_CHANGE) {
528 hash += g_str_hash(qdict_get_str(evstate->data, "id"));
529 }
530
6d425eb9
AG		 531 if (evstate->event == QAPI_EVENT_QUORUM_REPORT_BAD) {
532 hash += g_str_hash(qdict_get_str(evstate->data, "node-name"));
533 }
534
7de0be65 535 return hash;
a24712af 536}
0d1ea871 537
a24712af
MA		 538static gboolean qapi_event_throttle_equal(const void *a, const void *b)
539{
540 const MonitorQAPIEventState *eva = a;
541 const MonitorQAPIEventState *evb = b;
542
7de0be65
MA		 543 if (eva->event != evb->event) {
544 return FALSE;
545 }
546
547 if (eva->event == QAPI_EVENT_VSERPORT_CHANGE) {
548 return !strcmp(qdict_get_str(eva->data, "id"),
549 qdict_get_str(evb->data, "id"));
550 }
551
6d425eb9
AG		 552 if (eva->event == QAPI_EVENT_QUORUM_REPORT_BAD) {
553 return !strcmp(qdict_get_str(eva->data, "node-name"),
554 qdict_get_str(evb->data, "node-name"));
555 }
556
7de0be65 557 return TRUE;
a24712af
MA		 558}
559
560static void monitor_qapi_event_init(void)
561{
dc599978
AG		 562 if (qtest_enabled()) {
563 event_clock_type = QEMU_CLOCK_VIRTUAL;
564 }
565
a24712af
MA		 566 monitor_qapi_event_state = g_hash_table_new(qapi_event_throttle_hash,
567 qapi_event_throttle_equal);
43a14cfc 568 qmp_event_set_func_emit(monitor_qapi_event_queue);
0d1ea871
LC		 569}
570
7ef6cf63 571static void handle_hmp_command(Monitor *mon, const char *cmdline);
0268d97c 572
b01fe89e
WX		 573static void monitor_data_init(Monitor *mon)
574{
575 memset(mon, 0, sizeof(Monitor));
6cff3e85 576 qemu_mutex_init(&mon->out_lock);
b01fe89e 577 mon->outbuf = qstring_new();
7717239d
WX		 578 /* Use *mon_cmds by default. */
579 mon->cmd_table = mon_cmds;
b01fe89e
WX		 580}
581
582static void monitor_data_destroy(Monitor *mon)
583{
751f8cfe 584 g_free(mon->mon_cpu_path);
1ce2610c 585 qemu_chr_fe_deinit(&mon->chr, false);
2ef45716
MAL		 586 if (monitor_is_qmp(mon)) {
587 json_message_parser_destroy(&mon->qmp.parser);
588 }
e5dc1a6c 589 readline_free(mon->rs);
b01fe89e 590 QDECREF(mon->outbuf);
6cff3e85 591 qemu_mutex_destroy(&mon->out_lock);
b01fe89e
WX		 592}
593
d51a67b4
LC		 594char *qmp_human_monitor_command(const char *command_line, bool has_cpu_index,
595 int64_t cpu_index, Error **errp)
0268d97c 596{
d51a67b4 597 char *output = NULL;
0268d97c 598 Monitor *old_mon, hmp;
0268d97c 599
b01fe89e 600 monitor_data_init(&hmp);
48c043d0 601 hmp.skip_flush = true;
0268d97c
LC		 602
603 old_mon = cur_mon;
604 cur_mon = &hmp;
605
d51a67b4
LC		 606 if (has_cpu_index) {
607 int ret = monitor_set_cpu(cpu_index);
0268d97c
LC		 608 if (ret < 0) {
609 cur_mon = old_mon;
c6bd8c70
MA		 610 error_setg(errp, QERR_INVALID_PARAMETER_VALUE, "cpu-index",
611 "a CPU number");
0268d97c
LC		 612 goto out;
613 }
614 }
615
7ef6cf63 616 handle_hmp_command(&hmp, command_line);
0268d97c
LC		 617 cur_mon = old_mon;
618
6cff3e85 619 qemu_mutex_lock(&hmp.out_lock);
48c043d0
LC		 620 if (qstring_get_length(hmp.outbuf) > 0) {
621 output = g_strdup(qstring_get_str(hmp.outbuf));
d51a67b4
LC		 622 } else {
623 output = g_strdup("");
0268d97c 624 }
6cff3e85 625 qemu_mutex_unlock(&hmp.out_lock);
0268d97c
LC		 626
627out:
b01fe89e 628 monitor_data_destroy(&hmp);
d51a67b4 629 return output;
0268d97c
LC		 630}
631
9dc39cba
FB		 632static int compare_cmd(const char *name, const char *list)
633{
634 const char *p, *pstart;
635 int len;
636 len = strlen(name);
637 p = list;
638 for(;;) {
639 pstart = p;
640 p = strchr(p, '|');
641 if (!p)
642 p = pstart + strlen(pstart);
643 if ((p - pstart) == len && !memcmp(pstart, name, len))
644 return 1;
645 if (*p == '\0')
646 break;
647 p++;
648 }
649 return 0;
650}
651
f5438c05
WX		 652static int get_str(char *buf, int buf_size, const char **pp)
653{
654 const char *p;
655 char *q;
656 int c;
657
658 q = buf;
659 p = *pp;
660 while (qemu_isspace(*p)) {
661 p++;
662 }
663 if (*p == '\0') {
664 fail:
665 *q = '\0';
666 *pp = p;
667 return -1;
668 }
669 if (*p == '\"') {
670 p++;
671 while (*p != '\0' && *p != '\"') {
672 if (*p == '\\') {
673 p++;
674 c = *p++;
675 switch (c) {
676 case 'n':
677 c = '\n';
678 break;
679 case 'r':
680 c = '\r';
681 break;
682 case '\\':
683 case '\'':
684 case '\"':
685 break;
686 default:
71baf787 687 printf("unsupported escape code: '\\%c'\n", c);
f5438c05
WX		 688 goto fail;
689 }
690 if ((q - buf) < buf_size - 1) {
691 *q++ = c;
692 }
693 } else {
694 if ((q - buf) < buf_size - 1) {
695 *q++ = *p;
696 }
697 p++;
698 }
699 }
700 if (*p != '\"') {
71baf787 701 printf("unterminated string\n");
f5438c05
WX		 702 goto fail;
703 }
704 p++;
705 } else {
706 while (*p != '\0' && !qemu_isspace(*p)) {
707 if ((q - buf) < buf_size - 1) {
708 *q++ = *p;
709 }
710 p++;
711 }
712 }
713 *q = '\0';
714 *pp = p;
715 return 0;
716}
717
718#define MAX_ARGS 16
719
dcc70cdf
WX		 720static void free_cmdline_args(char **args, int nb_args)
721{
722 int i;
723
724 assert(nb_args <= MAX_ARGS);
725
726 for (i = 0; i < nb_args; i++) {
727 g_free(args[i]);
728 }
729
730}
731
732/*
733 * Parse the command line to get valid args.
734 * @cmdline: command line to be parsed.
735 * @pnb_args: location to store the number of args, must NOT be NULL.
736 * @args: location to store the args, which should be freed by caller, must
737 * NOT be NULL.
738 *
739 * Returns 0 on success, negative on failure.
740 *
741 * NOTE: this parser is an approximate form of the real command parser. Number
742 * of args have a limit of MAX_ARGS. If cmdline contains more, it will
743 * return with failure.
744 */
745static int parse_cmdline(const char *cmdline,
746 int *pnb_args, char **args)
f5438c05
WX		 747{
748 const char *p;
749 int nb_args, ret;
750 char buf[1024];
751
752 p = cmdline;
753 nb_args = 0;
754 for (;;) {
755 while (qemu_isspace(*p)) {
756 p++;
757 }
758 if (*p == '\0') {
759 break;
760 }
761 if (nb_args >= MAX_ARGS) {
dcc70cdf 762 goto fail;
f5438c05
WX		 763 }
764 ret = get_str(buf, sizeof(buf), &p);
f5438c05 765 if (ret < 0) {
dcc70cdf 766 goto fail;
f5438c05 767 }
dcc70cdf
WX		 768 args[nb_args] = g_strdup(buf);
769 nb_args++;
f5438c05
WX		 770 }
771 *pnb_args = nb_args;
dcc70cdf
WX		 772 return 0;
773
774 fail:
775 free_cmdline_args(args, nb_args);
776 return -1;
f5438c05
WX		 777}
778
66855495
WX		 779static void help_cmd_dump_one(Monitor *mon,
780 const mon_cmd_t *cmd,
781 char **prefix_args,
782 int prefix_args_nb)
783{
784 int i;
785
786 for (i = 0; i < prefix_args_nb; i++) {
787 monitor_printf(mon, "%s ", prefix_args[i]);
788 }
789 monitor_printf(mon, "%s %s -- %s\n", cmd->name, cmd->params, cmd->help);
790}
791
792/* @args[@arg_index] is the valid command need to find in @cmds */
c227f099 793static void help_cmd_dump(Monitor *mon, const mon_cmd_t *cmds,
66855495 794 char **args, int nb_args, int arg_index)
9dc39cba 795{
c227f099 796 const mon_cmd_t *cmd;
9dc39cba 797
66855495
WX		 798 /* No valid arg need to compare with, dump all in *cmds */
799 if (arg_index >= nb_args) {
800 for (cmd = cmds; cmd->name != NULL; cmd++) {
801 help_cmd_dump_one(mon, cmd, args, arg_index);
802 }
803 return;
804 }
805
806 /* Find one entry to dump */
807 for (cmd = cmds; cmd->name != NULL; cmd++) {
808 if (compare_cmd(args[arg_index], cmd->name)) {
809 if (cmd->sub_table) {
810 /* continue with next arg */
811 help_cmd_dump(mon, cmd->sub_table,
812 args, nb_args, arg_index + 1);
813 } else {
814 help_cmd_dump_one(mon, cmd, args, arg_index);
815 }
816 break;
817 }
9dc39cba
FB		 818 }
819}
820
376253ec 821static void help_cmd(Monitor *mon, const char *name)
9dc39cba 822{
66855495
WX		 823 char *args[MAX_ARGS];
824 int nb_args = 0;
825
826 /* 1. parse user input */
827 if (name) {
828 /* special case for log, directly dump and return */
829 if (!strcmp(name, "log")) {
38dad9e5 830 const QEMULogItem *item;
376253ec
AL		 831 monitor_printf(mon, "Log items (comma separated):\n");
832 monitor_printf(mon, "%-10s %s\n", "none", "remove all logs");
38dad9e5 833 for (item = qemu_log_items; item->mask != 0; item++) {
376253ec 834 monitor_printf(mon, "%-10s %s\n", item->name, item->help);
f193c797 835 }
66855495
WX		 836 return;
837 }
838
839 if (parse_cmdline(name, &nb_args, args) < 0) {
840 return;
f193c797 841 }
9dc39cba 842 }
66855495
WX		 843
844 /* 2. dump the contents according to parsed args */
845 help_cmd_dump(mon, mon->cmd_table, args, nb_args, 0);
846
847 free_cmdline_args(args, nb_args);
9dc39cba
FB		 848}
849
d54908a5 850static void do_help_cmd(Monitor *mon, const QDict *qdict)
38183186 851{
d54908a5 852 help_cmd(mon, qdict_get_try_str(qdict, "name"));
38183186
LC		 853}
854
3e5a50d6 855static void hmp_trace_event(Monitor *mon, const QDict *qdict)
22890ab5
PS		 856{
857 const char *tp_name = qdict_get_str(qdict, "name");
858 bool new_state = qdict_get_bool(qdict, "option");
77e2b172
LV		 859 bool has_vcpu = qdict_haskey(qdict, "vcpu");
860 int vcpu = qdict_get_try_int(qdict, "vcpu", 0);
14101d02 861 Error *local_err = NULL;
f871d689 862
77e2b172
LV		 863 if (vcpu < 0) {
864 monitor_printf(mon, "argument vcpu must be positive");
865 return;
866 }
867
868 qmp_trace_event_set_state(tp_name, new_state, true, true, has_vcpu, vcpu, &local_err);
14101d02 869 if (local_err) {
091e38b7 870 error_report_err(local_err);
f871d689 871 }
22890ab5 872}
c5ceb523 873
c45a8168 874#ifdef CONFIG_TRACE_SIMPLE
3e5a50d6 875static void hmp_trace_file(Monitor *mon, const QDict *qdict)
c5ceb523
SH		 876{
877 const char *op = qdict_get_try_str(qdict, "op");
878 const char *arg = qdict_get_try_str(qdict, "arg");
879
880 if (!op) {
881 st_print_trace_file_status((FILE *)mon, &monitor_fprintf);
882 } else if (!strcmp(op, "on")) {
883 st_set_trace_file_enabled(true);
884 } else if (!strcmp(op, "off")) {
885 st_set_trace_file_enabled(false);
886 } else if (!strcmp(op, "flush")) {
887 st_flush_trace_buffer();
888 } else if (!strcmp(op, "set")) {
889 if (arg) {
890 st_set_trace_file(arg);
891 }
892 } else {
893 monitor_printf(mon, "unexpected argument \"%s\"\n", op);
894 help_cmd(mon, "trace-file");
895 }
896}
22890ab5
PS		 897#endif
898
3e5a50d6 899static void hmp_info_help(Monitor *mon, const QDict *qdict)
9dc39cba 900{
13c7425e 901 help_cmd(mon, "info");
9dc39cba
FB		 902}
903
9e812b6a 904static void query_commands_cb(QmpCommand *cmd, void *opaque)
e3bba9d0 905{
9e812b6a 906 CommandInfoList *info, **list = opaque;
e3bba9d0 907
9e812b6a
MAL		 908 if (!cmd->enabled) {
909 return;
e3bba9d0
LC		 910 }
911
9e812b6a
MAL		 912 info = g_malloc0(sizeof(*info));
913 info->value = g_malloc0(sizeof(*info->value));
914 info->value->name = g_strdup(cmd->name);
915 info->next = *list;
916 *list = info;
917}
918
919CommandInfoList *qmp_query_commands(Error **errp)
920{
921 CommandInfoList *list = NULL;
922
635db18f 923 qmp_for_each_command(cur_mon->qmp.commands, query_commands_cb, &list);
9e812b6a
MAL		 924
925 return list;
a36e69dd
TS		 926}
927
4860853d
DB		 928EventInfoList *qmp_query_events(Error **errp)
929{
930 EventInfoList *info, *ev_list = NULL;
75175173 931 QAPIEvent e;
4860853d 932
7fb1cf16 933 for (e = 0 ; e < QAPI_EVENT__MAX ; e++) {
977c736f 934 const char *event_name = QAPIEvent_str(e);
4860853d
DB		 935 assert(event_name != NULL);
936 info = g_malloc0(sizeof(*info));
937 info->value = g_malloc0(sizeof(*info->value));
938 info->value->name = g_strdup(event_name);
939
940 info->next = ev_list;
941 ev_list = info;
942 }
943
944 return ev_list;
945}
946
39a18158
MA		 947/*
948 * Minor hack: generated marshalling suppressed for this command
949 * ('gen': false in the schema) so we can parse the JSON string
950 * directly into QObject instead of first parsing it with
951 * visit_type_SchemaInfoList() into a SchemaInfoList, then marshal it
952 * to QObject with generated output marshallers, every time. Instead,
b3db211f 953 * we do it in test-qobject-input-visitor.c, just to make sure
39a18158
MA		 954 * qapi-introspect.py's output actually conforms to the schema.
955 */
956static void qmp_query_qmp_schema(QDict *qdict, QObject **ret_data,
957 Error **errp)
958{
b0f36b23 959 *ret_data = qobject_from_json(qmp_schema_json, &error_abort);
39a18158
MA		 960}
961
5032a16d 962/*
5032a16d
MAL		 963 * We used to define commands in qmp-commands.hx in addition to the
964 * QAPI schema. This permitted defining some of them only in certain
965 * configurations. query-commands has always reflected that (good,
966 * because it lets QMP clients figure out what's actually available),
967 * while query-qmp-schema never did (not so good). This function is a
968 * hack to keep the configuration-specific commands defined exactly as
969 * before, even though qmp-commands.hx is gone.
970 *
971 * FIXME Educate the QAPI schema on configuration-specific commands,
972 * and drop this hack.
973 */
974static void qmp_unregister_commands_hack(void)
975{
976#ifndef CONFIG_SPICE
1527badb 977 qmp_unregister_command(&qmp_commands, "query-spice");
5032a16d 978#endif
38bb54f3
MA		 979#ifndef CONFIG_REPLICATION
980 qmp_unregister_command(&qmp_commands, "xen-set-replication");
981 qmp_unregister_command(&qmp_commands, "query-xen-replication-status");
982 qmp_unregister_command(&qmp_commands, "xen-colo-do-checkpoint");
983#endif
5032a16d 984#ifndef TARGET_I386
1527badb 985 qmp_unregister_command(&qmp_commands, "rtc-reset-reinjection");
5032a16d
MAL		 986#endif
987#ifndef TARGET_S390X
1527badb 988 qmp_unregister_command(&qmp_commands, "dump-skeys");
5032a16d
MAL		 989#endif
990#ifndef TARGET_ARM
1527badb 991 qmp_unregister_command(&qmp_commands, "query-gic-capabilities");
5032a16d 992#endif
f99fd7ca 993#if !defined(TARGET_S390X) && !defined(TARGET_I386)
1527badb 994 qmp_unregister_command(&qmp_commands, "query-cpu-model-expansion");
f99fd7ca
EH		 995#endif
996#if !defined(TARGET_S390X)
1527badb
MA		 997 qmp_unregister_command(&qmp_commands, "query-cpu-model-baseline");
998 qmp_unregister_command(&qmp_commands, "query-cpu-model-comparison");
728b1429
EH		 999#endif
1000#if !defined(TARGET_PPC) && !defined(TARGET_ARM) && !defined(TARGET_I386) \
1001 && !defined(TARGET_S390X)
1527badb 1002 qmp_unregister_command(&qmp_commands, "query-cpu-definitions");
728b1429 1003#endif
5032a16d
MAL		 1004}
1005
05875687 1006void monitor_init_qmp_commands(void)
edcfaefe 1007{
635db18f
MA		 1008 /*
1009 * Two command lists:
1010 * - qmp_commands contains all QMP commands
1011 * - qmp_cap_negotiation_commands contains just
1012 * "qmp_capabilities", to enforce capability negotiation
1013 */
1014
1527badb 1015 qmp_init_marshal(&qmp_commands);
05875687 1016
1527badb
MA		 1017 qmp_register_command(&qmp_commands, "query-qmp-schema",
1018 qmp_query_qmp_schema,
edcfaefe 1019 QCO_NO_OPTIONS);
1527badb 1020 qmp_register_command(&qmp_commands, "device_add", qmp_device_add,
edcfaefe 1021 QCO_NO_OPTIONS);
1527badb 1022 qmp_register_command(&qmp_commands, "netdev_add", qmp_netdev_add,
edcfaefe 1023 QCO_NO_OPTIONS);
5032a16d 1024
05875687 1025 qmp_unregister_commands_hack();
635db18f
MA		 1026
1027 QTAILQ_INIT(&qmp_cap_negotiation_commands);
1028 qmp_register_command(&qmp_cap_negotiation_commands, "qmp_capabilities",
1029 qmp_marshal_qmp_capabilities, QCO_NO_OPTIONS);
1030}
1031
1032void qmp_qmp_capabilities(Error **errp)
1033{
1034 if (cur_mon->qmp.commands == &qmp_commands) {
1035 error_set(errp, ERROR_CLASS_COMMAND_NOT_FOUND,
1036 "Capabilities negotiation is already complete, command "
1037 "ignored");
1038 return;
1039 }
1040
1041 cur_mon->qmp.commands = &qmp_commands;
edcfaefe
MAL		 1042}
1043
b025c8b4
LC		 1044/* set the current CPU defined by the user */
1045int monitor_set_cpu(int cpu_index)
6a00d601 1046{
55e5c285 1047 CPUState *cpu;
6a00d601 1048
1c8bb3cc
AF		 1049 cpu = qemu_get_cpu(cpu_index);
1050 if (cpu == NULL) {
1051 return -1;
6a00d601 1052 }
751f8cfe
GK		 1053 g_free(cur_mon->mon_cpu_path);
1054 cur_mon->mon_cpu_path = object_get_canonical_path(OBJECT(cpu));
1c8bb3cc 1055 return 0;
6a00d601
FB		 1056}
1057
caf15319 1058CPUState *mon_get_cpu(void)
6a00d601 1059{
751f8cfe
GK		 1060 CPUState *cpu;
1061
1062 if (cur_mon->mon_cpu_path) {
1063 cpu = (CPUState *) object_resolve_path_type(cur_mon->mon_cpu_path,
1064 TYPE_CPU, NULL);
1065 if (!cpu) {
1066 g_free(cur_mon->mon_cpu_path);
1067 cur_mon->mon_cpu_path = NULL;
1068 }
1069 }
1070 if (!cur_mon->mon_cpu_path) {
854e67fe
TH		 1071 if (!first_cpu) {
1072 return NULL;
1073 }
27a83f8e 1074 monitor_set_cpu(first_cpu->cpu_index);
751f8cfe 1075 cpu = first_cpu;
6a00d601 1076 }
751f8cfe
GK		 1077 cpu_synchronize_state(cpu);
1078 return cpu;
5bcda5f7
PC		 1079}
1080
bf957284 1081CPUArchState *mon_get_cpu_env(void)
5bcda5f7 1082{
854e67fe
TH		 1083 CPUState *cs = mon_get_cpu();
1084
1085 return cs ? cs->env_ptr : NULL;
6a00d601
FB		 1086}
1087
99b7796f
LC		 1088int monitor_get_cpu_index(void)
1089{
854e67fe
TH		 1090 CPUState *cs = mon_get_cpu();
1091
1092 return cs ? cs->cpu_index : UNASSIGNED_CPU_INDEX;
99b7796f
LC		 1093}
1094
1ce6be24 1095static void hmp_info_registers(Monitor *mon, const QDict *qdict)
9307c4c1 1096{
18f08282
SJS		 1097 bool all_cpus = qdict_get_try_bool(qdict, "cpustate_all", false);
1098 CPUState *cs;
854e67fe 1099
18f08282
SJS		 1100 if (all_cpus) {
1101 CPU_FOREACH(cs) {
1102 monitor_printf(mon, "\nCPU#%d\n", cs->cpu_index);
1103 cpu_dump_state(cs, (FILE *)mon, monitor_fprintf, CPU_DUMP_FPU);
1104 }
1105 } else {
1106 cs = mon_get_cpu();
1107
1108 if (!cs) {
1109 monitor_printf(mon, "No CPU available\n");
1110 return;
1111 }
1112
1113 cpu_dump_state(cs, (FILE *)mon, monitor_fprintf, CPU_DUMP_FPU);
854e67fe 1114 }
9307c4c1
FB		 1115}
1116
f0d14a95 1117#ifdef CONFIG_TCG
1ce6be24 1118static void hmp_info_jit(Monitor *mon, const QDict *qdict)
e3db7226 1119{
b7da97ee
TH		 1120 if (!tcg_enabled()) {
1121 error_report("JIT information is only available with accel=tcg");
1122 return;
1123 }
1124
376253ec 1125 dump_exec_info((FILE *)mon, monitor_fprintf);
27498bef 1126 dump_drift_info((FILE *)mon, monitor_fprintf);
e3db7226
FB		 1127}
1128
1ce6be24 1129static void hmp_info_opcount(Monitor *mon, const QDict *qdict)
246ae24d
MF		 1130{
1131 dump_opcount_info((FILE *)mon, monitor_fprintf);
1132}
f0d14a95 1133#endif
246ae24d 1134
1ce6be24 1135static void hmp_info_history(Monitor *mon, const QDict *qdict)
aa455485
FB		 1136{
1137 int i;
7e2515e8 1138 const char *str;
3b46e624 1139
cde76ee1
AL		 1140 if (!mon->rs)
1141 return;
7e2515e8
FB		 1142 i = 0;
1143 for(;;) {
731b0364 1144 str = readline_get_history(mon->rs, i);
7e2515e8
FB		 1145 if (!str)
1146 break;
376253ec 1147 monitor_printf(mon, "%d: '%s'\n", i, str);
8e3a9fd2 1148 i++;
aa455485
FB		 1149 }
1150}
1151
1ce6be24 1152static void hmp_info_cpustats(Monitor *mon, const QDict *qdict)
76a66253 1153{
854e67fe
TH		 1154 CPUState *cs = mon_get_cpu();
1155
1156 if (!cs) {
1157 monitor_printf(mon, "No CPU available\n");
1158 return;
1159 }
1160 cpu_dump_statistics(cs, (FILE *)mon, &monitor_fprintf, 0);
76a66253 1161}
76a66253 1162
1ce6be24 1163static void hmp_info_trace_events(Monitor *mon, const QDict *qdict)
22890ab5 1164{
bd71211d 1165 const char *name = qdict_get_try_str(qdict, "name");
77e2b172
LV		 1166 bool has_vcpu = qdict_haskey(qdict, "vcpu");
1167 int vcpu = qdict_get_try_int(qdict, "vcpu", 0);
bd71211d 1168 TraceEventInfoList *events;
14101d02 1169 TraceEventInfoList *elem;
bd71211d
LV		 1170 Error *local_err = NULL;
1171
1172 if (name == NULL) {
1173 name = "*";
1174 }
77e2b172
LV		 1175 if (vcpu < 0) {
1176 monitor_printf(mon, "argument vcpu must be positive");
1177 return;
1178 }
bd71211d 1179
77e2b172 1180 events = qmp_trace_event_get_state(name, has_vcpu, vcpu, &local_err);
bd71211d
LV		 1181 if (local_err) {
1182 error_report_err(local_err);
1183 return;
1184 }
14101d02
LV		 1185
1186 for (elem = events; elem != NULL; elem = elem->next) {
1187 monitor_printf(mon, "%s : state %u\n",
1188 elem->value->name,
1189 elem->value->state == TRACE_EVENT_STATE_ENABLED ? 1 : 0);
1190 }
1191 qapi_free_TraceEventInfoList(events);
22890ab5 1192}
22890ab5 1193
b8a185bc
MA		 1194void qmp_client_migrate_info(const char *protocol, const char *hostname,
1195 bool has_port, int64_t port,
1196 bool has_tls_port, int64_t tls_port,
1197 bool has_cert_subject, const char *cert_subject,
1198 Error **errp)
e866e239 1199{
e866e239 1200 if (strcmp(protocol, "spice") == 0) {
b8a185bc
MA		 1201 if (!qemu_using_spice(errp)) {
1202 return;
e866e239
GH		 1203 }
1204
b8a185bc 1205 if (!has_port && !has_tls_port) {
c6bd8c70 1206 error_setg(errp, QERR_MISSING_PARAMETER, "port/tls-port");
b8a185bc 1207 return;
6ec5dae5
YH		 1208 }
1209
b8a185bc
MA		 1210 if (qemu_spice_migrate_info(hostname,
1211 has_port ? port : -1,
1212 has_tls_port ? tls_port : -1,
1213 cert_subject)) {
c6bd8c70 1214 error_setg(errp, QERR_UNDEFINED_ERROR);
b8a185bc 1215 return;
e866e239 1216 }
b8a185bc 1217 return;
e866e239
GH		 1218 }
1219
c6bd8c70 1220 error_setg(errp, QERR_INVALID_PARAMETER_VALUE, "protocol", "spice");
e866e239
GH		 1221}
1222
3e5a50d6 1223static void hmp_logfile(Monitor *mon, const QDict *qdict)
e735b91c 1224{
daa76aa4
MA		 1225 Error *err = NULL;
1226
1227 qemu_set_log_filename(qdict_get_str(qdict, "filename"), &err);
1228 if (err) {
1229 error_report_err(err);
1230 }
e735b91c
PB		 1231}
1232
3e5a50d6 1233static void hmp_log(Monitor *mon, const QDict *qdict)
f193c797
FB		 1234{
1235 int mask;
d54908a5 1236 const char *items = qdict_get_str(qdict, "items");
3b46e624 1237
9307c4c1 1238 if (!strcmp(items, "none")) {
f193c797
FB		 1239 mask = 0;
1240 } else {
4fde1eba 1241 mask = qemu_str_to_log_mask(items);
f193c797 1242 if (!mask) {
376253ec 1243 help_cmd(mon, "log");
f193c797
FB		 1244 return;
1245 }
1246 }
24537a01 1247 qemu_set_log(mask);
f193c797
FB		 1248}
1249
3e5a50d6 1250static void hmp_singlestep(Monitor *mon, const QDict *qdict)
1b530a6d 1251{
d54908a5 1252 const char *option = qdict_get_try_str(qdict, "option");
1b530a6d
AJ		 1253 if (!option || !strcmp(option, "on")) {
1254 singlestep = 1;
1255 } else if (!strcmp(option, "off")) {
1256 singlestep = 0;
1257 } else {
1258 monitor_printf(mon, "unexpected option %s\n", option);
1259 }
1260}
1261
3e5a50d6 1262static void hmp_gdbserver(Monitor *mon, const QDict *qdict)
59030a8c 1263{
d54908a5 1264 const char *device = qdict_get_try_str(qdict, "device");
59030a8c
AL		 1265 if (!device)
1266 device = "tcp::" DEFAULT_GDBSTUB_PORT;
1267 if (gdbserver_start(device) < 0) {
1268 monitor_printf(mon, "Could not open gdbserver on device '%s'\n",
1269 device);
1270 } else if (strcmp(device, "none") == 0) {
36556b20 1271 monitor_printf(mon, "Disabled gdbserver\n");
8a7ddc38 1272 } else {
59030a8c
AL		 1273 monitor_printf(mon, "Waiting for gdb connection on device '%s'\n",
1274 device);
8a7ddc38
FB		 1275 }
1276}
1277
3e5a50d6 1278static void hmp_watchdog_action(Monitor *mon, const QDict *qdict)
9dd986cc 1279{
d54908a5 1280 const char *action = qdict_get_str(qdict, "action");
9dd986cc
RJ		 1281 if (select_watchdog_action(action) == -1) {
1282 monitor_printf(mon, "Unknown watchdog action '%s'\n", action);
1283 }
1284}
1285
376253ec 1286static void monitor_printc(Monitor *mon, int c)
9307c4c1 1287{
376253ec 1288 monitor_printf(mon, "'");
9307c4c1
FB		 1289 switch(c) {
1290 case '\'':
376253ec 1291 monitor_printf(mon, "\\'");
9307c4c1
FB		 1292 break;
1293 case '\\':
376253ec 1294 monitor_printf(mon, "\\\\");
9307c4c1
FB		 1295 break;
1296 case '\n':
376253ec 1297 monitor_printf(mon, "\\n");
9307c4c1
FB		 1298 break;
1299 case '\r':
376253ec 1300 monitor_printf(mon, "\\r");
9307c4c1
FB		 1301 break;
1302 default:
1303 if (c >= 32 && c <= 126) {
376253ec 1304 monitor_printf(mon, "%c", c);
9307c4c1 1305 } else {
376253ec 1306 monitor_printf(mon, "\\x%02x", c);
9307c4c1
FB		 1307 }
1308 break;
1309 }
376253ec 1310 monitor_printf(mon, "'");
9307c4c1
FB		 1311}
1312
376253ec 1313static void memory_dump(Monitor *mon, int count, int format, int wsize,
a8170e5e 1314 hwaddr addr, int is_physical)
9307c4c1 1315{
23842aab 1316 int l, line_size, i, max_digits, len;
9307c4c1
FB		 1317 uint8_t buf[16];
1318 uint64_t v;
854e67fe
TH		 1319 CPUState *cs = mon_get_cpu();
1320
1321 if (!cs && (format == 'i' || !is_physical)) {
1322 monitor_printf(mon, "Can not dump without CPU\n");
1323 return;
1324 }
9307c4c1
FB		 1325
1326 if (format == 'i') {
1d48474d 1327 monitor_disas(mon, cs, addr, count, is_physical);
9307c4c1
FB		 1328 return;
1329 }
1330
1331 len = wsize * count;
1332 if (wsize == 1)
1333 line_size = 8;
1334 else
1335 line_size = 16;
9307c4c1
FB		 1336 max_digits = 0;
1337
1338 switch(format) {
1339 case 'o':
69db8dfc 1340 max_digits = DIV_ROUND_UP(wsize * 8, 3);
9307c4c1
FB		 1341 break;
1342 default:
1343 case 'x':
1344 max_digits = (wsize * 8) / 4;
1345 break;
1346 case 'u':
1347 case 'd':
69db8dfc 1348 max_digits = DIV_ROUND_UP(wsize * 8 * 10, 33);
9307c4c1
FB		 1349 break;
1350 case 'c':
1351 wsize = 1;
1352 break;
1353 }
1354
1355 while (len > 0) {
7743e588 1356 if (is_physical)
376253ec 1357 monitor_printf(mon, TARGET_FMT_plx ":", addr);
7743e588 1358 else
376253ec 1359 monitor_printf(mon, TARGET_FMT_lx ":", (target_ulong)addr);
9307c4c1
FB		 1360 l = len;
1361 if (l > line_size)
1362 l = line_size;
1363 if (is_physical) {
54f7b4a3 1364 cpu_physical_memory_read(addr, buf, l);
9307c4c1 1365 } else {
854e67fe 1366 if (cpu_memory_rw_debug(cs, addr, buf, l, 0) < 0) {
376253ec 1367 monitor_printf(mon, " Cannot access memory\n");
c8f79b67
AL		 1368 break;
1369 }
9307c4c1 1370 }
5fafdf24 1371 i = 0;
9307c4c1
FB		 1372 while (i < l) {
1373 switch(wsize) {
1374 default:
1375 case 1:
24e60305 1376 v = ldub_p(buf + i);
9307c4c1
FB		 1377 break;
1378 case 2:
24e60305 1379 v = lduw_p(buf + i);
9307c4c1
FB		 1380 break;
1381 case 4:
24e60305 1382 v = (uint32_t)ldl_p(buf + i);
9307c4c1
FB		 1383 break;
1384 case 8:
24e60305 1385 v = ldq_p(buf + i);
9307c4c1
FB		 1386 break;
1387 }
376253ec 1388 monitor_printf(mon, " ");
9307c4c1
FB		 1389 switch(format) {
1390 case 'o':
376253ec 1391 monitor_printf(mon, "%#*" PRIo64, max_digits, v);
9307c4c1
FB		 1392 break;
1393 case 'x':
376253ec 1394 monitor_printf(mon, "0x%0*" PRIx64, max_digits, v);
9307c4c1
FB		 1395 break;
1396 case 'u':
376253ec 1397 monitor_printf(mon, "%*" PRIu64, max_digits, v);
9307c4c1
FB		 1398 break;
1399 case 'd':
376253ec 1400 monitor_printf(mon, "%*" PRId64, max_digits, v);
9307c4c1
FB		 1401 break;
1402 case 'c':
376253ec 1403 monitor_printc(mon, v);
9307c4c1
FB		 1404 break;
1405 }
1406 i += wsize;
1407 }
376253ec 1408 monitor_printf(mon, "\n");
9307c4c1
FB		 1409 addr += l;
1410 len -= l;
1411 }
1412}
1413
3e5a50d6 1414static void hmp_memory_dump(Monitor *mon, const QDict *qdict)
9307c4c1 1415{
1bd1442e
LC		 1416 int count = qdict_get_int(qdict, "count");
1417 int format = qdict_get_int(qdict, "format");
1418 int size = qdict_get_int(qdict, "size");
1419 target_long addr = qdict_get_int(qdict, "addr");
1420
376253ec 1421 memory_dump(mon, count, format, size, addr, 0);
9307c4c1
FB		 1422}
1423
3e5a50d6 1424static void hmp_physical_memory_dump(Monitor *mon, const QDict *qdict)
9307c4c1 1425{
1bd1442e
LC		 1426 int count = qdict_get_int(qdict, "count");
1427 int format = qdict_get_int(qdict, "format");
1428 int size = qdict_get_int(qdict, "size");
a8170e5e 1429 hwaddr addr = qdict_get_int(qdict, "addr");
1bd1442e 1430
376253ec 1431 memory_dump(mon, count, format, size, addr, 1);
9307c4c1
FB		 1432}
1433
e9628441
PB		 1434static void *gpa2hva(MemoryRegion **p_mr, hwaddr addr, Error **errp)
1435{
1436 MemoryRegionSection mrs = memory_region_find(get_system_memory(),
1437 addr, 1);
1438
1439 if (!mrs.mr) {
1440 error_setg(errp, "No memory is mapped at address 0x%" HWADDR_PRIx, addr);
1441 return NULL;
1442 }
1443
1444 if (!memory_region_is_ram(mrs.mr) && !memory_region_is_romd(mrs.mr)) {
1445 error_setg(errp, "Memory at address 0x%" HWADDR_PRIx "is not RAM", addr);
1446 memory_region_unref(mrs.mr);
1447 return NULL;
1448 }
1449
1450 *p_mr = mrs.mr;
1451 return qemu_map_ram_ptr(mrs.mr->ram_block, mrs.offset_within_region);
1452}
1453
1454static void hmp_gpa2hva(Monitor *mon, const QDict *qdict)
1455{
1456 hwaddr addr = qdict_get_int(qdict, "addr");
1457 Error *local_err = NULL;
1458 MemoryRegion *mr = NULL;
1459 void *ptr;
1460
1461 ptr = gpa2hva(&mr, addr, &local_err);
1462 if (local_err) {
1463 error_report_err(local_err);
1464 return;
1465 }
1466
1467 monitor_printf(mon, "Host virtual address for 0x%" HWADDR_PRIx
1468 " (%s) is %p\n",
1469 addr, mr->name, ptr);
1470
1471 memory_region_unref(mr);
1472}
1473
1474#ifdef CONFIG_LINUX
1475static uint64_t vtop(void *ptr, Error **errp)
1476{
1477 uint64_t pinfo;
1478 uint64_t ret = -1;
1479 uintptr_t addr = (uintptr_t) ptr;
1480 uintptr_t pagesize = getpagesize();
1481 off_t offset = addr / pagesize * sizeof(pinfo);
1482 int fd;
1483
1484 fd = open("/proc/self/pagemap", O_RDONLY);
1485 if (fd == -1) {
1486 error_setg_errno(errp, errno, "Cannot open /proc/self/pagemap");
1487 return -1;
1488 }
1489
1490 /* Force copy-on-write if necessary. */
1491 atomic_add((uint8_t *)ptr, 0);
1492
1493 if (pread(fd, &pinfo, sizeof(pinfo), offset) != sizeof(pinfo)) {
1494 error_setg_errno(errp, errno, "Cannot read pagemap");
1495 goto out;
1496 }
1497 if ((pinfo & (1ull << 63)) == 0) {
1498 error_setg(errp, "Page not present");
1499 goto out;
1500 }
1501 ret = ((pinfo & 0x007fffffffffffffull) * pagesize) | (addr & (pagesize - 1));
1502
1503out:
1504 close(fd);
1505 return ret;
1506}
1507
1508static void hmp_gpa2hpa(Monitor *mon, const QDict *qdict)
1509{
1510 hwaddr addr = qdict_get_int(qdict, "addr");
1511 Error *local_err = NULL;
1512 MemoryRegion *mr = NULL;
1513 void *ptr;
1514 uint64_t physaddr;
1515
1516 ptr = gpa2hva(&mr, addr, &local_err);
1517 if (local_err) {
1518 error_report_err(local_err);
1519 return;
1520 }
1521
1522 physaddr = vtop(ptr, &local_err);
1523 if (local_err) {
1524 error_report_err(local_err);
1525 } else {
1526 monitor_printf(mon, "Host physical address for 0x%" HWADDR_PRIx
1527 " (%s) is 0x%" PRIx64 "\n",
1528 addr, mr->name, (uint64_t) physaddr);
1529 }
1530
1531 memory_region_unref(mr);
1532}
1533#endif
1534
1bd1442e 1535static void do_print(Monitor *mon, const QDict *qdict)
9307c4c1 1536{
1bd1442e 1537 int format = qdict_get_int(qdict, "format");
a8170e5e 1538 hwaddr val = qdict_get_int(qdict, "val");
1bd1442e 1539
9307c4c1
FB		 1540 switch(format) {
1541 case 'o':
a8170e5e 1542 monitor_printf(mon, "%#" HWADDR_PRIo, val);
9307c4c1
FB		 1543 break;
1544 case 'x':
a8170e5e 1545 monitor_printf(mon, "%#" HWADDR_PRIx, val);
9307c4c1
FB		 1546 break;
1547 case 'u':
a8170e5e 1548 monitor_printf(mon, "%" HWADDR_PRIu, val);
9307c4c1
FB		 1549 break;
1550 default:
1551 case 'd':
a8170e5e 1552 monitor_printf(mon, "%" HWADDR_PRId, val);
9307c4c1
FB		 1553 break;
1554 case 'c':
376253ec 1555 monitor_printc(mon, val);
9307c4c1
FB		 1556 break;
1557 }
376253ec 1558 monitor_printf(mon, "\n");
9307c4c1
FB		 1559}
1560
3e5a50d6 1561static void hmp_sum(Monitor *mon, const QDict *qdict)
e4cf1adc
FB		 1562{
1563 uint32_t addr;
e4cf1adc 1564 uint16_t sum;
f18c16de
LC		 1565 uint32_t start = qdict_get_int(qdict, "start");
1566 uint32_t size = qdict_get_int(qdict, "size");
e4cf1adc
FB		 1567
1568 sum = 0;
1569 for(addr = start; addr < (start + size); addr++) {
42874d3a
PM		 1570 uint8_t val = address_space_ldub(&address_space_memory, addr,
1571 MEMTXATTRS_UNSPECIFIED, NULL);
e4cf1adc
FB		 1572 /* BSD sum algorithm ('sum' Unix command) */
1573 sum = (sum >> 1) | (sum << 15);
54f7b4a3 1574 sum += val;
e4cf1adc 1575 }
376253ec 1576 monitor_printf(mon, "%05d\n", sum);
e4cf1adc
FB		 1577}
1578
13224a87
FB		 1579static int mouse_button_state;
1580
3e5a50d6 1581static void hmp_mouse_move(Monitor *mon, const QDict *qdict)
13224a87 1582{
c751a74a 1583 int dx, dy, dz, button;
1d4daa91
LC		 1584 const char *dx_str = qdict_get_str(qdict, "dx_str");
1585 const char *dy_str = qdict_get_str(qdict, "dy_str");
1586 const char *dz_str = qdict_get_try_str(qdict, "dz_str");
c751a74a 1587
13224a87
FB		 1588 dx = strtol(dx_str, NULL, 0);
1589 dy = strtol(dy_str, NULL, 0);
c751a74a
GH		 1590 qemu_input_queue_rel(NULL, INPUT_AXIS_X, dx);
1591 qemu_input_queue_rel(NULL, INPUT_AXIS_Y, dy);
1592
1593 if (dz_str) {
13224a87 1594 dz = strtol(dz_str, NULL, 0);
c751a74a 1595 if (dz != 0) {
f22d0af0 1596 button = (dz > 0) ? INPUT_BUTTON_WHEEL_UP : INPUT_BUTTON_WHEEL_DOWN;
c751a74a
GH		 1597 qemu_input_queue_btn(NULL, button, true);
1598 qemu_input_event_sync();
1599 qemu_input_queue_btn(NULL, button, false);
1600 }
1601 }
1602 qemu_input_event_sync();
13224a87
FB		 1603}
1604
3e5a50d6 1605static void hmp_mouse_button(Monitor *mon, const QDict *qdict)
13224a87 1606{
7fb1cf16 1607 static uint32_t bmap[INPUT_BUTTON__MAX] = {
c751a74a
GH		 1608 [INPUT_BUTTON_LEFT] = MOUSE_EVENT_LBUTTON,
1609 [INPUT_BUTTON_MIDDLE] = MOUSE_EVENT_MBUTTON,
1610 [INPUT_BUTTON_RIGHT] = MOUSE_EVENT_RBUTTON,
1611 };
d54908a5 1612 int button_state = qdict_get_int(qdict, "button_state");
c751a74a
GH		 1613
1614 if (mouse_button_state == button_state) {
1615 return;
1616 }
1617 qemu_input_update_buttons(NULL, bmap, mouse_button_state, button_state);
1618 qemu_input_event_sync();
13224a87 1619 mouse_button_state = button_state;
13224a87
FB		 1620}
1621
3e5a50d6 1622static void hmp_ioport_read(Monitor *mon, const QDict *qdict)
3440557b 1623{
aa93e39c
LC		 1624 int size = qdict_get_int(qdict, "size");
1625 int addr = qdict_get_int(qdict, "addr");
1626 int has_index = qdict_haskey(qdict, "index");
3440557b
FB		 1627 uint32_t val;
1628 int suffix;
1629
1630 if (has_index) {
aa93e39c 1631 int index = qdict_get_int(qdict, "index");
afcea8cb 1632 cpu_outb(addr & IOPORTS_MASK, index & 0xff);
3440557b
FB		 1633 addr++;
1634 }
1635 addr &= 0xffff;
1636
1637 switch(size) {
1638 default:
1639 case 1:
afcea8cb 1640 val = cpu_inb(addr);
3440557b
FB		 1641 suffix = 'b';
1642 break;
1643 case 2:
afcea8cb 1644 val = cpu_inw(addr);
3440557b
FB		 1645 suffix = 'w';
1646 break;
1647 case 4:
afcea8cb 1648 val = cpu_inl(addr);
3440557b
FB		 1649 suffix = 'l';
1650 break;
1651 }
376253ec
AL		 1652 monitor_printf(mon, "port%c[0x%04x] = %#0*x\n",
1653 suffix, addr, size * 2, val);
3440557b 1654}
a3a91a35 1655
3e5a50d6 1656static void hmp_ioport_write(Monitor *mon, const QDict *qdict)
f114784f 1657{
1bd1442e
LC		 1658 int size = qdict_get_int(qdict, "size");
1659 int addr = qdict_get_int(qdict, "addr");
1660 int val = qdict_get_int(qdict, "val");
1661
f114784f
JK		 1662 addr &= IOPORTS_MASK;
1663
1664 switch (size) {
1665 default:
1666 case 1:
afcea8cb 1667 cpu_outb(addr, val);
f114784f
JK		 1668 break;
1669 case 2:
afcea8cb 1670 cpu_outw(addr, val);
f114784f
JK		 1671 break;
1672 case 4:
afcea8cb 1673 cpu_outl(addr, val);
f114784f
JK		 1674 break;
1675 }
1676}
1677
3e5a50d6 1678static void hmp_boot_set(Monitor *mon, const QDict *qdict)
0ecdffbb 1679{
f1839938 1680 Error *local_err = NULL;
d54908a5 1681 const char *bootdevice = qdict_get_str(qdict, "bootdevice");
0ecdffbb 1682
f1839938
GA		 1683 qemu_boot_set(bootdevice, &local_err);
1684 if (local_err) {
193227f9 1685 error_report_err(local_err);
0ecdffbb 1686 } else {
f1839938 1687 monitor_printf(mon, "boot device list now set to %s\n", bootdevice);
0ecdffbb
AJ		 1688 }
1689}
1690
1ce6be24 1691static void hmp_info_mtree(Monitor *mon, const QDict *qdict)
314e2987 1692{
57bb40c9 1693 bool flatview = qdict_get_try_bool(qdict, "flatview", false);
5e8fd947 1694 bool dispatch_tree = qdict_get_try_bool(qdict, "dispatch_tree", false);
57bb40c9 1695
5e8fd947 1696 mtree_info((fprintf_function)monitor_printf, mon, flatview, dispatch_tree);
314e2987
BS		 1697}
1698
1ce6be24 1699static void hmp_info_numa(Monitor *mon, const QDict *qdict)
030ea37b 1700{
b28b6230 1701 int i;
31959e82 1702 NumaNodeMem *node_mem;
f75cd44d 1703 CpuInfoList *cpu_list, *cpu;
030ea37b 1704
f75cd44d 1705 cpu_list = qmp_query_cpus(&error_abort);
31959e82
VG		 1706 node_mem = g_new0(NumaNodeMem, nb_numa_nodes);
1707
5b009e40 1708 query_numa_node_mem(node_mem);
030ea37b
AL		 1709 monitor_printf(mon, "%d nodes\n", nb_numa_nodes);
1710 for (i = 0; i < nb_numa_nodes; i++) {
1711 monitor_printf(mon, "node %d cpus:", i);
f75cd44d
IM		 1712 for (cpu = cpu_list; cpu; cpu = cpu->next) {
1713 if (cpu->value->has_props && cpu->value->props->has_node_id &&
1714 cpu->value->props->node_id == i) {
1715 monitor_printf(mon, " %" PRIi64, cpu->value->CPU);
030ea37b
AL		 1716 }
1717 }
1718 monitor_printf(mon, "\n");
1719 monitor_printf(mon, "node %d size: %" PRId64 " MB\n", i,
31959e82
VG		 1720 node_mem[i].node_mem >> 20);
1721 monitor_printf(mon, "node %d plugged: %" PRId64 " MB\n", i,
1722 node_mem[i].node_plugged_mem >> 20);
030ea37b 1723 }
f75cd44d 1724 qapi_free_CpuInfoList(cpu_list);
5b009e40 1725 g_free(node_mem);
030ea37b
AL		 1726}
1727
5f1ce948
FB		 1728#ifdef CONFIG_PROFILER
1729
89d5cbdd 1730int64_t tcg_time;
e9a6625e
AJ		 1731int64_t dev_time;
1732
1ce6be24 1733static void hmp_info_profile(Monitor *mon, const QDict *qdict)
5f1ce948 1734{
376253ec 1735 monitor_printf(mon, "async time %" PRId64 " (%0.3f)\n",
73bcb24d 1736 dev_time, dev_time / (double)NANOSECONDS_PER_SECOND);
376253ec 1737 monitor_printf(mon, "qemu time %" PRId64 " (%0.3f)\n",
73bcb24d 1738 tcg_time, tcg_time / (double)NANOSECONDS_PER_SECOND);
89d5cbdd 1739 tcg_time = 0;
5f1ce948 1740 dev_time = 0;
5f1ce948
FB		 1741}
1742#else
1ce6be24 1743static void hmp_info_profile(Monitor *mon, const QDict *qdict)
5f1ce948 1744{
376253ec 1745 monitor_printf(mon, "Internal profiler not compiled\n");
5f1ce948
FB		 1746}
1747#endif
1748
ec36b695 1749/* Capture support */
72cf2d4f 1750static QLIST_HEAD (capture_list_head, CaptureState) capture_head;
ec36b695 1751
1ce6be24 1752static void hmp_info_capture(Monitor *mon, const QDict *qdict)
ec36b695
FB		 1753{
1754 int i;
1755 CaptureState *s;
1756
1757 for (s = capture_head.lh_first, i = 0; s; s = s->entries.le_next, ++i) {
376253ec 1758 monitor_printf(mon, "[%d]: ", i);
ec36b695
FB		 1759 s->ops.info (s->opaque);
1760 }
1761}
1762
3e5a50d6 1763static void hmp_stopcapture(Monitor *mon, const QDict *qdict)
ec36b695
FB		 1764{
1765 int i;
d54908a5 1766 int n = qdict_get_int(qdict, "n");
ec36b695
FB		 1767 CaptureState *s;
1768
1769 for (s = capture_head.lh_first, i = 0; s; s = s->entries.le_next, ++i) {
1770 if (i == n) {
1771 s->ops.destroy (s->opaque);
72cf2d4f 1772 QLIST_REMOVE (s, entries);
7267c094 1773 g_free (s);
ec36b695
FB		 1774 return;
1775 }
1776 }
1777}
1778
3e5a50d6 1779static void hmp_wavcapture(Monitor *mon, const QDict *qdict)
c1925484
LC		 1780{
1781 const char *path = qdict_get_str(qdict, "path");
1782 int has_freq = qdict_haskey(qdict, "freq");
1783 int freq = qdict_get_try_int(qdict, "freq", -1);
1784 int has_bits = qdict_haskey(qdict, "bits");
1785 int bits = qdict_get_try_int(qdict, "bits", -1);
1786 int has_channels = qdict_haskey(qdict, "nchannels");
1787 int nchannels = qdict_get_try_int(qdict, "nchannels", -1);
ec36b695
FB		 1788 CaptureState *s;
1789
7267c094 1790 s = g_malloc0 (sizeof (*s));
ec36b695
FB		 1791
1792 freq = has_freq ? freq : 44100;
1793 bits = has_bits ? bits : 16;
1794 nchannels = has_channels ? nchannels : 2;
1795
1796 if (wav_start_capture (s, path, freq, bits, nchannels)) {
d00b2618 1797 monitor_printf(mon, "Failed to add wave capture\n");
7267c094 1798 g_free (s);
d00b2618 1799 return;
ec36b695 1800 }
72cf2d4f 1801 QLIST_INSERT_HEAD (&capture_head, s, entries);
ec36b695 1802}
ec36b695 1803
15dfcd45 1804static qemu_acl *find_acl(Monitor *mon, const char *name)
76655d6d 1805{
15dfcd45 1806 qemu_acl *acl = qemu_acl_find(name);
76655d6d 1807
76655d6d 1808 if (!acl) {
15dfcd45 1809 monitor_printf(mon, "acl: unknown list '%s'\n", name);
76655d6d 1810 }
15dfcd45
JK		 1811 return acl;
1812}
1813
3e5a50d6 1814static void hmp_acl_show(Monitor *mon, const QDict *qdict)
15dfcd45 1815{
d54908a5 1816 const char *aclname = qdict_get_str(qdict, "aclname");
15dfcd45
JK		 1817 qemu_acl *acl = find_acl(mon, aclname);
1818 qemu_acl_entry *entry;
1819 int i = 0;
76655d6d 1820
15dfcd45 1821 if (acl) {
28a76be8 1822 monitor_printf(mon, "policy: %s\n",
76655d6d 1823 acl->defaultDeny ? "deny" : "allow");
72cf2d4f 1824 QTAILQ_FOREACH(entry, &acl->entries, next) {
28a76be8
AL		 1825 i++;
1826 monitor_printf(mon, "%d: %s %s\n", i,
15dfcd45 1827 entry->deny ? "deny" : "allow", entry->match);
28a76be8 1828 }
15dfcd45
JK		 1829 }
1830}
1831
3e5a50d6 1832static void hmp_acl_reset(Monitor *mon, const QDict *qdict)
15dfcd45 1833{
d54908a5 1834 const char *aclname = qdict_get_str(qdict, "aclname");
15dfcd45
JK		 1835 qemu_acl *acl = find_acl(mon, aclname);
1836
1837 if (acl) {
28a76be8
AL		 1838 qemu_acl_reset(acl);
1839 monitor_printf(mon, "acl: removed all rules\n");
15dfcd45
JK		 1840 }
1841}
1842
3e5a50d6 1843static void hmp_acl_policy(Monitor *mon, const QDict *qdict)
15dfcd45 1844{
f18c16de
LC		 1845 const char *aclname = qdict_get_str(qdict, "aclname");
1846 const char *policy = qdict_get_str(qdict, "policy");
15dfcd45 1847 qemu_acl *acl = find_acl(mon, aclname);
28a76be8 1848
15dfcd45
JK		 1849 if (acl) {
1850 if (strcmp(policy, "allow") == 0) {
28a76be8
AL		 1851 acl->defaultDeny = 0;
1852 monitor_printf(mon, "acl: policy set to 'allow'\n");
15dfcd45 1853 } else if (strcmp(policy, "deny") == 0) {
28a76be8
AL		 1854 acl->defaultDeny = 1;
1855 monitor_printf(mon, "acl: policy set to 'deny'\n");
1856 } else {
15dfcd45
JK		 1857 monitor_printf(mon, "acl: unknown policy '%s', "
1858 "expected 'deny' or 'allow'\n", policy);
28a76be8 1859 }
15dfcd45
JK		 1860 }
1861}
28a76be8 1862
3e5a50d6 1863static void hmp_acl_add(Monitor *mon, const QDict *qdict)
15dfcd45 1864{
1bd1442e
LC		 1865 const char *aclname = qdict_get_str(qdict, "aclname");
1866 const char *match = qdict_get_str(qdict, "match");
1867 const char *policy = qdict_get_str(qdict, "policy");
1868 int has_index = qdict_haskey(qdict, "index");
1869 int index = qdict_get_try_int(qdict, "index", -1);
15dfcd45
JK		 1870 qemu_acl *acl = find_acl(mon, aclname);
1871 int deny, ret;
1872
1873 if (acl) {
1874 if (strcmp(policy, "allow") == 0) {
1875 deny = 0;
1876 } else if (strcmp(policy, "deny") == 0) {
1877 deny = 1;
1878 } else {
1879 monitor_printf(mon, "acl: unknown policy '%s', "
1880 "expected 'deny' or 'allow'\n", policy);
28a76be8
AL		 1881 return;
1882 }
28a76be8
AL		 1883 if (has_index)
1884 ret = qemu_acl_insert(acl, deny, match, index);
1885 else
1886 ret = qemu_acl_append(acl, deny, match);
1887 if (ret < 0)
1888 monitor_printf(mon, "acl: unable to add acl entry\n");
1889 else
1890 monitor_printf(mon, "acl: added rule at position %d\n", ret);
15dfcd45
JK		 1891 }
1892}
28a76be8 1893
3e5a50d6 1894static void hmp_acl_remove(Monitor *mon, const QDict *qdict)
15dfcd45 1895{
f18c16de
LC		 1896 const char *aclname = qdict_get_str(qdict, "aclname");
1897 const char *match = qdict_get_str(qdict, "match");
15dfcd45
JK		 1898 qemu_acl *acl = find_acl(mon, aclname);
1899 int ret;
28a76be8 1900
15dfcd45 1901 if (acl) {
28a76be8
AL		 1902 ret = qemu_acl_remove(acl, match);
1903 if (ret < 0)
1904 monitor_printf(mon, "acl: no matching acl entry\n");
1905 else
1906 monitor_printf(mon, "acl: removed rule at position %d\n", ret);
76655d6d
AL		 1907 }
1908}
1909
208c9d1b 1910void qmp_getfd(const char *fdname, Error **errp)
f07918fd 1911{
c227f099 1912 mon_fd_t *monfd;
f07918fd
MM		 1913 int fd;
1914
5345fdb4 1915 fd = qemu_chr_fe_get_msgfd(&cur_mon->chr);
f07918fd 1916 if (fd == -1) {
c6bd8c70 1917 error_setg(errp, QERR_FD_NOT_SUPPLIED);
208c9d1b 1918 return;
f07918fd
MM		 1919 }
1920
1921 if (qemu_isdigit(fdname[0])) {
0b9f0e2f 1922 close(fd);
c6bd8c70
MA		 1923 error_setg(errp, QERR_INVALID_PARAMETER_VALUE, "fdname",
1924 "a name not starting with a digit");
208c9d1b 1925 return;
f07918fd
MM		 1926 }
1927
208c9d1b 1928 QLIST_FOREACH(monfd, &cur_mon->fds, next) {
f07918fd
MM		 1929 if (strcmp(monfd->name, fdname) != 0) {
1930 continue;
1931 }
1932
1933 close(monfd->fd);
1934 monfd->fd = fd;
208c9d1b 1935 return;
f07918fd
MM		 1936 }
1937
7267c094
AL		 1938 monfd = g_malloc0(sizeof(mon_fd_t));
1939 monfd->name = g_strdup(fdname);
f07918fd
MM		 1940 monfd->fd = fd;
1941
208c9d1b 1942 QLIST_INSERT_HEAD(&cur_mon->fds, monfd, next);
f07918fd
MM		 1943}
1944
208c9d1b 1945void qmp_closefd(const char *fdname, Error **errp)
f07918fd 1946{
c227f099 1947 mon_fd_t *monfd;
f07918fd 1948
208c9d1b 1949 QLIST_FOREACH(monfd, &cur_mon->fds, next) {
f07918fd
MM		 1950 if (strcmp(monfd->name, fdname) != 0) {
1951 continue;
1952 }
1953
72cf2d4f 1954 QLIST_REMOVE(monfd, next);
f07918fd 1955 close(monfd->fd);
7267c094
AL		 1956 g_free(monfd->name);
1957 g_free(monfd);
208c9d1b 1958 return;
f07918fd
MM		 1959 }
1960
c6bd8c70 1961 error_setg(errp, QERR_FD_NOT_FOUND, fdname);
f07918fd
MM		 1962}
1963
a9940fc4 1964int monitor_get_fd(Monitor *mon, const char *fdname, Error **errp)
7768e04c 1965{
c227f099 1966 mon_fd_t *monfd;
7768e04c 1967
72cf2d4f 1968 QLIST_FOREACH(monfd, &mon->fds, next) {
7768e04c
MM		 1969 int fd;
1970
1971 if (strcmp(monfd->name, fdname) != 0) {
1972 continue;
1973 }
1974
1975 fd = monfd->fd;
1976
1977 /* caller takes ownership of fd */
72cf2d4f 1978 QLIST_REMOVE(monfd, next);
7267c094
AL		 1979 g_free(monfd->name);
1980 g_free(monfd);
7768e04c
MM		 1981
1982 return fd;
1983 }
1984
a9940fc4 1985 error_setg(errp, "File descriptor named '%s' has not been found", fdname);
7768e04c
MM		 1986 return -1;
1987}
1988
ba1c048a
CB		 1989static void monitor_fdset_cleanup(MonFdset *mon_fdset)
1990{
1991 MonFdsetFd *mon_fdset_fd;
1992 MonFdsetFd *mon_fdset_fd_next;
1993
1994 QLIST_FOREACH_SAFE(mon_fdset_fd, &mon_fdset->fds, next, mon_fdset_fd_next) {
ebe52b59
CB		 1995 if ((mon_fdset_fd->removed ||
1996 (QLIST_EMPTY(&mon_fdset->dup_fds) && mon_refcount == 0)) &&
1997 runstate_is_running()) {
ba1c048a
CB		 1998 close(mon_fdset_fd->fd);
1999 g_free(mon_fdset_fd->opaque);
2000 QLIST_REMOVE(mon_fdset_fd, next);
2001 g_free(mon_fdset_fd);
2002 }
2003 }
2004
adb696f3 2005 if (QLIST_EMPTY(&mon_fdset->fds) && QLIST_EMPTY(&mon_fdset->dup_fds)) {
ba1c048a
CB		 2006 QLIST_REMOVE(mon_fdset, next);
2007 g_free(mon_fdset);
2008 }
2009}
2010
efb87c16
CB		 2011static void monitor_fdsets_cleanup(void)
2012{
2013 MonFdset *mon_fdset;
2014 MonFdset *mon_fdset_next;
2015
2016 QLIST_FOREACH_SAFE(mon_fdset, &mon_fdsets, next, mon_fdset_next) {
2017 monitor_fdset_cleanup(mon_fdset);
2018 }
2019}
2020
ba1c048a
CB		 2021AddfdInfo *qmp_add_fd(bool has_fdset_id, int64_t fdset_id, bool has_opaque,
2022 const char *opaque, Error **errp)
2023{
2024 int fd;
2025 Monitor *mon = cur_mon;
ba1c048a
CB		 2026 AddfdInfo *fdinfo;
2027
5345fdb4 2028 fd = qemu_chr_fe_get_msgfd(&mon->chr);
ba1c048a 2029 if (fd == -1) {
c6bd8c70 2030 error_setg(errp, QERR_FD_NOT_SUPPLIED);
ba1c048a
CB		 2031 goto error;
2032 }
2033
e446f70d
CB		 2034 fdinfo = monitor_fdset_add_fd(fd, has_fdset_id, fdset_id,
2035 has_opaque, opaque, errp);
2036 if (fdinfo) {
2037 return fdinfo;
ba1c048a 2038 }
ba1c048a
CB		 2039
2040error:
2041 if (fd != -1) {
2042 close(fd);
2043 }
2044 return NULL;
2045}
2046
2047void qmp_remove_fd(int64_t fdset_id, bool has_fd, int64_t fd, Error **errp)
2048{
2049 MonFdset *mon_fdset;
2050 MonFdsetFd *mon_fdset_fd;
2051 char fd_str[60];
2052
2053 QLIST_FOREACH(mon_fdset, &mon_fdsets, next) {
2054 if (mon_fdset->id != fdset_id) {
2055 continue;
2056 }
2057 QLIST_FOREACH(mon_fdset_fd, &mon_fdset->fds, next) {
2058 if (has_fd) {
2059 if (mon_fdset_fd->fd != fd) {
2060 continue;
2061 }
2062 mon_fdset_fd->removed = true;
2063 break;
2064 } else {
2065 mon_fdset_fd->removed = true;
2066 }
2067 }
2068 if (has_fd && !mon_fdset_fd) {
2069 goto error;
2070 }
2071 monitor_fdset_cleanup(mon_fdset);
2072 return;
2073 }
2074
2075error:
2076 if (has_fd) {
2077 snprintf(fd_str, sizeof(fd_str), "fdset-id:%" PRId64 ", fd:%" PRId64,
2078 fdset_id, fd);
2079 } else {
2080 snprintf(fd_str, sizeof(fd_str), "fdset-id:%" PRId64, fdset_id);
2081 }
c6bd8c70 2082 error_setg(errp, QERR_FD_NOT_FOUND, fd_str);
ba1c048a
CB		 2083}
2084
2085FdsetInfoList *qmp_query_fdsets(Error **errp)
2086{
2087 MonFdset *mon_fdset;
2088 MonFdsetFd *mon_fdset_fd;
2089 FdsetInfoList *fdset_list = NULL;
2090
2091 QLIST_FOREACH(mon_fdset, &mon_fdsets, next) {
2092 FdsetInfoList *fdset_info = g_malloc0(sizeof(*fdset_info));
2093 FdsetFdInfoList *fdsetfd_list = NULL;
2094
2095 fdset_info->value = g_malloc0(sizeof(*fdset_info->value));
2096 fdset_info->value->fdset_id = mon_fdset->id;
2097
2098 QLIST_FOREACH(mon_fdset_fd, &mon_fdset->fds, next) {
2099 FdsetFdInfoList *fdsetfd_info;
2100
2101 fdsetfd_info = g_malloc0(sizeof(*fdsetfd_info));
2102 fdsetfd_info->value = g_malloc0(sizeof(*fdsetfd_info->value));
2103 fdsetfd_info->value->fd = mon_fdset_fd->fd;
2104 if (mon_fdset_fd->opaque) {
2105 fdsetfd_info->value->has_opaque = true;
2106 fdsetfd_info->value->opaque = g_strdup(mon_fdset_fd->opaque);
2107 } else {
2108 fdsetfd_info->value->has_opaque = false;
2109 }
2110
2111 fdsetfd_info->next = fdsetfd_list;
2112 fdsetfd_list = fdsetfd_info;
2113 }
2114
2115 fdset_info->value->fds = fdsetfd_list;
2116
2117 fdset_info->next = fdset_list;
2118 fdset_list = fdset_info;
2119 }
2120
2121 return fdset_list;
2122}
2123
e446f70d
CB		 2124AddfdInfo *monitor_fdset_add_fd(int fd, bool has_fdset_id, int64_t fdset_id,
2125 bool has_opaque, const char *opaque,
2126 Error **errp)
2127{
2128 MonFdset *mon_fdset = NULL;
2129 MonFdsetFd *mon_fdset_fd;
2130 AddfdInfo *fdinfo;
2131
2132 if (has_fdset_id) {
2133 QLIST_FOREACH(mon_fdset, &mon_fdsets, next) {
2134 /* Break if match found or match impossible due to ordering by ID */
2135 if (fdset_id <= mon_fdset->id) {
2136 if (fdset_id < mon_fdset->id) {
2137 mon_fdset = NULL;
2138 }
2139 break;
2140 }
2141 }
2142 }
2143
2144 if (mon_fdset == NULL) {
2145 int64_t fdset_id_prev = -1;
2146 MonFdset *mon_fdset_cur = QLIST_FIRST(&mon_fdsets);
2147
2148 if (has_fdset_id) {
2149 if (fdset_id < 0) {
c6bd8c70
MA		 2150 error_setg(errp, QERR_INVALID_PARAMETER_VALUE, "fdset-id",
2151 "a non-negative value");
e446f70d
CB		 2152 return NULL;
2153 }
2154 /* Use specified fdset ID */
2155 QLIST_FOREACH(mon_fdset, &mon_fdsets, next) {
2156 mon_fdset_cur = mon_fdset;
2157 if (fdset_id < mon_fdset_cur->id) {
2158 break;
2159 }
2160 }
2161 } else {
2162 /* Use first available fdset ID */
2163 QLIST_FOREACH(mon_fdset, &mon_fdsets, next) {
2164 mon_fdset_cur = mon_fdset;
2165 if (fdset_id_prev == mon_fdset_cur->id - 1) {
2166 fdset_id_prev = mon_fdset_cur->id;
2167 continue;
2168 }
2169 break;
2170 }
2171 }
2172
2173 mon_fdset = g_malloc0(sizeof(*mon_fdset));
2174 if (has_fdset_id) {
2175 mon_fdset->id = fdset_id;
2176 } else {
2177 mon_fdset->id = fdset_id_prev + 1;
2178 }
2179
2180 /* The fdset list is ordered by fdset ID */
2181 if (!mon_fdset_cur) {
2182 QLIST_INSERT_HEAD(&mon_fdsets, mon_fdset, next);
2183 } else if (mon_fdset->id < mon_fdset_cur->id) {
2184 QLIST_INSERT_BEFORE(mon_fdset_cur, mon_fdset, next);
2185 } else {
2186 QLIST_INSERT_AFTER(mon_fdset_cur, mon_fdset, next);
2187 }
2188 }
2189
2190 mon_fdset_fd = g_malloc0(sizeof(*mon_fdset_fd));
2191 mon_fdset_fd->fd = fd;
2192 mon_fdset_fd->removed = false;
2193 if (has_opaque) {
2194 mon_fdset_fd->opaque = g_strdup(opaque);
2195 }
2196 QLIST_INSERT_HEAD(&mon_fdset->fds, mon_fdset_fd, next);
2197
2198 fdinfo = g_malloc0(sizeof(*fdinfo));
2199 fdinfo->fdset_id = mon_fdset->id;
2200 fdinfo->fd = mon_fdset_fd->fd;
2201
2202 return fdinfo;
2203}
2204
adb696f3
CB		 2205int monitor_fdset_get_fd(int64_t fdset_id, int flags)
2206{
b2dc64c3 2207#ifndef _WIN32
adb696f3
CB		 2208 MonFdset *mon_fdset;
2209 MonFdsetFd *mon_fdset_fd;
2210 int mon_fd_flags;
2211
adb696f3
CB		 2212 QLIST_FOREACH(mon_fdset, &mon_fdsets, next) {
2213 if (mon_fdset->id != fdset_id) {
2214 continue;
2215 }
2216 QLIST_FOREACH(mon_fdset_fd, &mon_fdset->fds, next) {
2217 mon_fd_flags = fcntl(mon_fdset_fd->fd, F_GETFL);
2218 if (mon_fd_flags == -1) {
2219 return -1;
2220 }
2221
2222 if ((flags & O_ACCMODE) == (mon_fd_flags & O_ACCMODE)) {
2223 return mon_fdset_fd->fd;
2224 }
2225 }
2226 errno = EACCES;
2227 return -1;
2228 }
2229#endif
2230
2231 errno = ENOENT;
2232 return -1;
2233}
2234
2235int monitor_fdset_dup_fd_add(int64_t fdset_id, int dup_fd)
2236{
2237 MonFdset *mon_fdset;
2238 MonFdsetFd *mon_fdset_fd_dup;
2239
2240 QLIST_FOREACH(mon_fdset, &mon_fdsets, next) {
2241 if (mon_fdset->id != fdset_id) {
2242 continue;
2243 }
2244 QLIST_FOREACH(mon_fdset_fd_dup, &mon_fdset->dup_fds, next) {
2245 if (mon_fdset_fd_dup->fd == dup_fd) {
2246 return -1;
2247 }
2248 }
2249 mon_fdset_fd_dup = g_malloc0(sizeof(*mon_fdset_fd_dup));
2250 mon_fdset_fd_dup->fd = dup_fd;
2251 QLIST_INSERT_HEAD(&mon_fdset->dup_fds, mon_fdset_fd_dup, next);
2252 return 0;
2253 }
2254 return -1;
2255}
2256
2257static int monitor_fdset_dup_fd_find_remove(int dup_fd, bool remove)
2258{
2259 MonFdset *mon_fdset;
2260 MonFdsetFd *mon_fdset_fd_dup;
2261
2262 QLIST_FOREACH(mon_fdset, &mon_fdsets, next) {
2263 QLIST_FOREACH(mon_fdset_fd_dup, &mon_fdset->dup_fds, next) {
2264 if (mon_fdset_fd_dup->fd == dup_fd) {
2265 if (remove) {
2266 QLIST_REMOVE(mon_fdset_fd_dup, next);
2267 if (QLIST_EMPTY(&mon_fdset->dup_fds)) {
2268 monitor_fdset_cleanup(mon_fdset);
2269 }
b3dd1b8c
MT		 2270 return -1;
2271 } else {
2272 return mon_fdset->id;
adb696f3 2273 }
adb696f3
CB		 2274 }
2275 }
2276 }
2277 return -1;
2278}
2279
2280int monitor_fdset_dup_fd_find(int dup_fd)
2281{
2282 return monitor_fdset_dup_fd_find_remove(dup_fd, false);
2283}
2284
b3dd1b8c 2285void monitor_fdset_dup_fd_remove(int dup_fd)
adb696f3 2286{
b3dd1b8c 2287 monitor_fdset_dup_fd_find_remove(dup_fd, true);
adb696f3
CB		 2288}
2289
1677f4c6 2290int monitor_fd_param(Monitor *mon, const char *fdname, Error **errp)
5906366e
LE		 2291{
2292 int fd;
2293 Error *local_err = NULL;
a96ed02f 2294
5906366e 2295 if (!qemu_isdigit(fdname[0]) && mon) {
a9940fc4 2296 fd = monitor_get_fd(mon, fdname, &local_err);
5906366e
LE		 2297 } else {
2298 fd = qemu_parse_fd(fdname);
a96ed02f 2299 if (fd == -1) {
5906366e
LE		 2300 error_setg(&local_err, "Invalid file descriptor number '%s'",
2301 fdname);
a96ed02f 2302 }
5906366e
LE		 2303 }
2304 if (local_err) {
2305 error_propagate(errp, local_err);
2306 assert(fd == -1);
a96ed02f 2307 } else {
5906366e 2308 assert(fd != -1);
a96ed02f
NB		 2309 }
2310
2311 return fd;
2312}
2313
acd0a093 2314/* Please update hmp-commands.hx when adding or changing commands */
816f8925 2315static mon_cmd_t info_cmds[] = {
da76ee76
PB		 2316#include "hmp-commands-info.h"
2317 { NULL, NULL, },
9dc39cba
FB		 2318};
2319
a13ced59
WX		 2320/* mon_cmds and info_cmds would be sorted at runtime */
2321static mon_cmd_t mon_cmds[] = {
2322#include "hmp-commands.h"
2323 { NULL, NULL, },
2324};
2325
9307c4c1
FB		 2326/*******************************************************************/
2327
2328static const char *pch;
6ab7e546 2329static sigjmp_buf expr_env;
9307c4c1 2330
9307c4c1 2331
9c3175cc
SW		 2332static void GCC_FMT_ATTR(2, 3) QEMU_NORETURN
2333expr_error(Monitor *mon, const char *fmt, ...)
9dc39cba 2334{
277acfe8
FZ		 2335 va_list ap;
2336 va_start(ap, fmt);
2337 monitor_vprintf(mon, fmt, ap);
2338 monitor_printf(mon, "\n");
2339 va_end(ap);
6ab7e546 2340 siglongjmp(expr_env, 1);
9307c4c1
FB		 2341}
2342
09b9418c 2343/* return 0 if OK, -1 if not found */
92a31b1f 2344static int get_monitor_def(target_long *pval, const char *name)
9307c4c1 2345{
bf957284 2346 const MonitorDef *md = target_monitor_defs();
854e67fe 2347 CPUState *cs = mon_get_cpu();
92a31b1f 2348 void *ptr;
0a9516c2
AK		 2349 uint64_t tmp = 0;
2350 int ret;
92a31b1f 2351
854e67fe 2352 if (cs == NULL || md == NULL) {
bf957284
PB		 2353 return -1;
2354 }
2355
2356 for(; md->name != NULL; md++) {
9307c4c1
FB		 2357 if (compare_cmd(name, md->name)) {
2358 if (md->get_value) {
e95c8d51 2359 *pval = md->get_value(md, md->offset);
9307c4c1 2360 } else {
5bcda5f7 2361 CPUArchState *env = mon_get_cpu_env();
6a00d601 2362 ptr = (uint8_t *)env + md->offset;
92a31b1f
FB		 2363 switch(md->type) {
2364 case MD_I32:
2365 *pval = *(int32_t *)ptr;
2366 break;
2367 case MD_TLONG:
2368 *pval = *(target_long *)ptr;
2369 break;
2370 default:
2371 *pval = 0;
2372 break;
2373 }
9307c4c1
FB		 2374 }
2375 return 0;
2376 }
2377 }
0a9516c2 2378
854e67fe 2379 ret = target_get_monitor_def(cs, name, &tmp);
0a9516c2
AK		 2380 if (!ret) {
2381 *pval = (target_long) tmp;
2382 }
2383
2384 return ret;
9307c4c1
FB		 2385}
2386
2387static void next(void)
2388{
660f11be 2389 if (*pch != '\0') {
9307c4c1 2390 pch++;
cd390083 2391 while (qemu_isspace(*pch))
9307c4c1
FB		 2392 pch++;
2393 }
2394}
2395
376253ec 2396static int64_t expr_sum(Monitor *mon);
9307c4c1 2397
376253ec 2398static int64_t expr_unary(Monitor *mon)
9307c4c1 2399{
c2efc95d 2400 int64_t n;
9307c4c1 2401 char *p;
6a00d601 2402 int ret;
9307c4c1
FB		 2403
2404 switch(*pch) {
2405 case '+':
2406 next();
376253ec 2407 n = expr_unary(mon);
9307c4c1
FB		 2408 break;
2409 case '-':
2410 next();
376253ec 2411 n = -expr_unary(mon);
9307c4c1
FB		 2412 break;
2413 case '~':
2414 next();
376253ec 2415 n = ~expr_unary(mon);
9307c4c1
FB		 2416 break;
2417 case '(':
2418 next();
376253ec 2419 n = expr_sum(mon);
9307c4c1 2420 if (*pch != ')') {
376253ec 2421 expr_error(mon, "')' expected");
9307c4c1
FB		 2422 }
2423 next();
2424 break;
81d0912d
FB		 2425 case '\'':
2426 pch++;
2427 if (*pch == '\0')
376253ec 2428 expr_error(mon, "character constant expected");
81d0912d
FB		 2429 n = *pch;
2430 pch++;
2431 if (*pch != '\'')
376253ec 2432 expr_error(mon, "missing terminating \' character");
81d0912d
FB		 2433 next();
2434 break;
9307c4c1
FB		 2435 case '$':
2436 {
2437 char buf[128], *q;
69b34976 2438 target_long reg=0;
3b46e624 2439
9307c4c1
FB		 2440 pch++;
2441 q = buf;
2442 while ((*pch >= 'a' && *pch <= 'z') ||
2443 (*pch >= 'A' && *pch <= 'Z') ||
2444 (*pch >= '0' && *pch <= '9') ||
57206fd4 2445 *pch == '_' || *pch == '.') {
9307c4c1
FB		 2446 if ((q - buf) < sizeof(buf) - 1)
2447 *q++ = *pch;
2448 pch++;
2449 }
cd390083 2450 while (qemu_isspace(*pch))
9307c4c1
FB		 2451 pch++;
2452 *q = 0;
7743e588 2453 ret = get_monitor_def(&reg, buf);
09b9418c 2454 if (ret < 0)
376253ec 2455 expr_error(mon, "unknown register");
7743e588 2456 n = reg;
9307c4c1
FB		 2457 }
2458 break;
2459 case '\0':
376253ec 2460 expr_error(mon, "unexpected end of expression");
9307c4c1
FB		 2461 n = 0;
2462 break;
2463 default:
6b0e33be 2464 errno = 0;
4f4fbf77 2465 n = strtoull(pch, &p, 0);
6b0e33be
LC		 2466 if (errno == ERANGE) {
2467 expr_error(mon, "number too large");
2468 }
9307c4c1 2469 if (pch == p) {
277acfe8 2470 expr_error(mon, "invalid char '%c' in expression", *p);
9307c4c1
FB		 2471 }
2472 pch = p;
cd390083 2473 while (qemu_isspace(*pch))
9307c4c1
FB		 2474 pch++;
2475 break;
2476 }
2477 return n;
2478}
2479
2480
376253ec 2481static int64_t expr_prod(Monitor *mon)
9307c4c1 2482{
c2efc95d 2483 int64_t val, val2;
92a31b1f 2484 int op;
3b46e624 2485
376253ec 2486 val = expr_unary(mon);
9307c4c1
FB		 2487 for(;;) {
2488 op = *pch;
2489 if (op != '*' && op != '/' && op != '%')
2490 break;
2491 next();
376253ec 2492 val2 = expr_unary(mon);
9307c4c1
FB		 2493 switch(op) {
2494 default:
2495 case '*':
2496 val *= val2;
2497 break;
2498 case '/':
2499 case '%':
5fafdf24 2500 if (val2 == 0)
376253ec 2501 expr_error(mon, "division by zero");
9307c4c1
FB		 2502 if (op == '/')
2503 val /= val2;
2504 else
2505 val %= val2;
2506 break;
2507 }
2508 }
2509 return val;
2510}
2511
376253ec 2512static int64_t expr_logic(Monitor *mon)
9307c4c1 2513{
c2efc95d 2514 int64_t val, val2;
92a31b1f 2515 int op;
9307c4c1 2516
376253ec 2517 val = expr_prod(mon);
9307c4c1
FB		 2518 for(;;) {
2519 op = *pch;
2520 if (op != '&' && op != '|' && op != '^')
2521 break;
2522 next();
376253ec 2523 val2 = expr_prod(mon);
9307c4c1
FB		 2524 switch(op) {
2525 default:
2526 case '&':
2527 val &= val2;
2528 break;
2529 case '|':
2530 val |= val2;
2531 break;
2532 case '^':
2533 val ^= val2;
2534 break;
2535 }
2536 }
2537 return val;
2538}
2539
376253ec 2540static int64_t expr_sum(Monitor *mon)
9307c4c1 2541{
c2efc95d 2542 int64_t val, val2;
92a31b1f 2543 int op;
9307c4c1 2544
376253ec 2545 val = expr_logic(mon);
9307c4c1
FB		 2546 for(;;) {
2547 op = *pch;
2548 if (op != '+' && op != '-')
2549 break;
2550 next();
376253ec 2551 val2 = expr_logic(mon);
9307c4c1
FB		 2552 if (op == '+')
2553 val += val2;
2554 else
2555 val -= val2;
2556 }
2557 return val;
2558}
2559
376253ec 2560static int get_expr(Monitor *mon, int64_t *pval, const char **pp)
9307c4c1
FB		 2561{
2562 pch = *pp;
6ab7e546 2563 if (sigsetjmp(expr_env, 0)) {
9307c4c1
FB		 2564 *pp = pch;
2565 return -1;
2566 }
cd390083 2567 while (qemu_isspace(*pch))
9307c4c1 2568 pch++;
376253ec 2569 *pval = expr_sum(mon);
9307c4c1
FB		 2570 *pp = pch;
2571 return 0;
2572}
2573
3350a4dd
MA		 2574static int get_double(Monitor *mon, double *pval, const char **pp)
2575{
2576 const char *p = *pp;
2577 char *tailp;
2578 double d;
2579
2580 d = strtod(p, &tailp);
2581 if (tailp == p) {
2582 monitor_printf(mon, "Number expected\n");
2583 return -1;
2584 }
2585 if (d != d || d - d != 0) {
2586 /* NaN or infinity */
2587 monitor_printf(mon, "Bad number\n");
2588 return -1;
2589 }
2590 *pval = d;
2591 *pp = tailp;
2592 return 0;
2593}
2594
4590fd80
LC		 2595/*
2596 * Store the command-name in cmdname, and return a pointer to
2597 * the remaining of the command string.
2598 */
2599static const char *get_command_name(const char *cmdline,
2600 char *cmdname, size_t nlen)
2601{
2602 size_t len;
2603 const char *p, *pstart;
2604
2605 p = cmdline;
2606 while (qemu_isspace(*p))
2607 p++;
2608 if (*p == '\0')
2609 return NULL;
2610 pstart = p;
2611 while (*p != '\0' && *p != '/' && !qemu_isspace(*p))
2612 p++;
2613 len = p - pstart;
2614 if (len > nlen - 1)
2615 len = nlen - 1;
2616 memcpy(cmdname, pstart, len);
2617 cmdname[len] = '\0';
2618 return p;
2619}
2620
4d76d2ba
LC		 2621/**
2622 * Read key of 'type' into 'key' and return the current
2623 * 'type' pointer.
2624 */
2625static char *key_get_info(const char *type, char **key)
2626{
2627 size_t len;
2628 char *p, *str;
2629
2630 if (*type == ',')
2631 type++;
2632
2633 p = strchr(type, ':');
2634 if (!p) {
2635 *key = NULL;
2636 return NULL;
2637 }
2638 len = p - type;
2639
7267c094 2640 str = g_malloc(len + 1);
4d76d2ba
LC		 2641 memcpy(str, type, len);
2642 str[len] = '\0';
2643
2644 *key = str;
2645 return ++p;
2646}
2647
9307c4c1
FB		 2648static int default_fmt_format = 'x';
2649static int default_fmt_size = 4;
2650
fbc3d96c
LS		 2651static int is_valid_option(const char *c, const char *typestr)
2652{
2653 char option[3];
2654
2655 option[0] = '-';
2656 option[1] = *c;
2657 option[2] = '\0';
2658
2659 typestr = strstr(typestr, option);
2660 return (typestr != NULL);
2661}
2662
945c5ac8
LC		 2663static const mon_cmd_t *search_dispatch_table(const mon_cmd_t *disp_table,
2664 const char *cmdname)
7fd669a1
LC		 2665{
2666 const mon_cmd_t *cmd;
2667
945c5ac8 2668 for (cmd = disp_table; cmd->name != NULL; cmd++) {
7fd669a1
LC		 2669 if (compare_cmd(cmdname, cmd->name)) {
2670 return cmd;
2671 }
2672 }
2673
2674 return NULL;
2675}
2676
5f3d335f 2677/*
ae50212f
BD		 2678 * Parse command name from @cmdp according to command table @table.
2679 * If blank, return NULL.
2680 * Else, if no valid command can be found, report to @mon, and return
2681 * NULL.
2682 * Else, change @cmdp to point right behind the name, and return its
2683 * command table entry.
2684 * Do not assume the return value points into @table! It doesn't when
2685 * the command is found in a sub-command table.
5f3d335f 2686 */
c227f099 2687static const mon_cmd_t *monitor_parse_command(Monitor *mon,
250b8197 2688 const char *cmdp_start,
ae50212f
BD		 2689 const char **cmdp,
2690 mon_cmd_t *table)
9307c4c1 2691{
ae50212f 2692 const char *p;
c227f099 2693 const mon_cmd_t *cmd;
9307c4c1 2694 char cmdname[256];
9dc39cba 2695
9307c4c1 2696 /* extract the command name */
ae50212f 2697 p = get_command_name(*cmdp, cmdname, sizeof(cmdname));
4590fd80 2698 if (!p)
55f81d96 2699 return NULL;
3b46e624 2700
5f3d335f 2701 cmd = search_dispatch_table(table, cmdname);
7fd669a1 2702 if (!cmd) {
5f3d335f 2703 monitor_printf(mon, "unknown command: '%.*s'\n",
250b8197 2704 (int)(p - cmdp_start), cmdp_start);
55f81d96 2705 return NULL;
9307c4c1 2706 }
9307c4c1 2707
5f3d335f
WX		 2708 /* filter out following useless space */
2709 while (qemu_isspace(*p)) {
2710 p++;
2711 }
ae50212f
BD		 2712
2713 *cmdp = p;
5f3d335f 2714 /* search sub command */
ae50212f 2715 if (cmd->sub_table != NULL && *p != '\0') {
250b8197 2716 return monitor_parse_command(mon, cmdp_start, cmdp, cmd->sub_table);
5f3d335f
WX		 2717 }
2718
ae50212f
BD		 2719 return cmd;
2720}
2721
2722/*
2723 * Parse arguments for @cmd.
2724 * If it can't be parsed, report to @mon, and return NULL.
2725 * Else, insert command arguments into a QDict, and return it.
2726 * Note: On success, caller has to free the QDict structure.
2727 */
2728
2729static QDict *monitor_parse_arguments(Monitor *mon,
2730 const char **endp,
2731 const mon_cmd_t *cmd)
2732{
2733 const char *typestr;
2734 char *key;
2735 int c;
2736 const char *p = *endp;
2737 char buf[1024];
2738 QDict *qdict = qdict_new();
2739
9307c4c1
FB		 2740 /* parse the parameters */
2741 typestr = cmd->args_type;
9dc39cba 2742 for(;;) {
4d76d2ba
LC		 2743 typestr = key_get_info(typestr, &key);
2744 if (!typestr)
9dc39cba 2745 break;
4d76d2ba 2746 c = *typestr;
9307c4c1
FB		 2747 typestr++;
2748 switch(c) {
2749 case 'F':
81d0912d 2750 case 'B':
9307c4c1
FB		 2751 case 's':
2752 {
2753 int ret;
3b46e624 2754
cd390083 2755 while (qemu_isspace(*p))
9307c4c1
FB		 2756 p++;
2757 if (*typestr == '?') {
2758 typestr++;
2759 if (*p == '\0') {
2760 /* no optional string: NULL argument */
53773581 2761 break;
9307c4c1
FB		 2762 }
2763 }
2764 ret = get_str(buf, sizeof(buf), &p);
2765 if (ret < 0) {
81d0912d
FB		 2766 switch(c) {
2767 case 'F':
376253ec 2768 monitor_printf(mon, "%s: filename expected\n",
ae50212f 2769 cmd->name);
81d0912d
FB		 2770 break;
2771 case 'B':
376253ec 2772 monitor_printf(mon, "%s: block device name expected\n",
ae50212f 2773 cmd->name);
81d0912d
FB		 2774 break;
2775 default:
ae50212f 2776 monitor_printf(mon, "%s: string expected\n", cmd->name);
81d0912d
FB		 2777 break;
2778 }
9307c4c1
FB		 2779 goto fail;
2780 }
46f5ac20 2781 qdict_put_str(qdict, key, buf);
9307c4c1 2782 }
9dc39cba 2783 break;
361127df
MA		 2784 case 'O':
2785 {
2786 QemuOptsList *opts_list;
2787 QemuOpts *opts;
2788
2789 opts_list = qemu_find_opts(key);
2790 if (!opts_list || opts_list->desc->name) {
2791 goto bad_type;
2792 }
2793 while (qemu_isspace(*p)) {
2794 p++;
2795 }
2796 if (!*p)
2797 break;
2798 if (get_str(buf, sizeof(buf), &p) < 0) {
2799 goto fail;
2800 }
70b94331 2801 opts = qemu_opts_parse_noisily(opts_list, buf, true);
361127df
MA		 2802 if (!opts) {
2803 goto fail;
2804 }
2805 qemu_opts_to_qdict(opts, qdict);
2806 qemu_opts_del(opts);
2807 }
2808 break;
9307c4c1
FB		 2809 case '/':
2810 {
2811 int count, format, size;
3b46e624 2812
cd390083 2813 while (qemu_isspace(*p))
9307c4c1
FB		 2814 p++;
2815 if (*p == '/') {
2816 /* format found */
2817 p++;
2818 count = 1;
cd390083 2819 if (qemu_isdigit(*p)) {
9307c4c1 2820 count = 0;
cd390083 2821 while (qemu_isdigit(*p)) {
9307c4c1
FB		 2822 count = count * 10 + (*p - '0');
2823 p++;
2824 }
2825 }
2826 size = -1;
2827 format = -1;
2828 for(;;) {
2829 switch(*p) {
2830 case 'o':
2831 case 'd':
2832 case 'u':
2833 case 'x':
2834 case 'i':
2835 case 'c':
2836 format = *p++;
2837 break;
2838 case 'b':
2839 size = 1;
2840 p++;
2841 break;
2842 case 'h':
2843 size = 2;
2844 p++;
2845 break;
2846 case 'w':
2847 size = 4;
2848 p++;
2849 break;
2850 case 'g':
2851 case 'L':
2852 size = 8;
2853 p++;
2854 break;
2855 default:
2856 goto next;
2857 }
2858 }
2859 next:
cd390083 2860 if (*p != '\0' && !qemu_isspace(*p)) {
376253ec
AL		 2861 monitor_printf(mon, "invalid char in format: '%c'\n",
2862 *p);
9307c4c1
FB		 2863 goto fail;
2864 }
9307c4c1
FB		 2865 if (format < 0)
2866 format = default_fmt_format;
4c27ba27
FB		 2867 if (format != 'i') {
2868 /* for 'i', not specifying a size gives -1 as size */
2869 if (size < 0)
2870 size = default_fmt_size;
e90f009b 2871 default_fmt_size = size;
4c27ba27 2872 }
9307c4c1
FB		 2873 default_fmt_format = format;
2874 } else {
2875 count = 1;
2876 format = default_fmt_format;
4c27ba27
FB		 2877 if (format != 'i') {
2878 size = default_fmt_size;
2879 } else {
2880 size = -1;
2881 }
9307c4c1 2882 }
46f5ac20
EB		 2883 qdict_put_int(qdict, "count", count);
2884 qdict_put_int(qdict, "format", format);
2885 qdict_put_int(qdict, "size", size);
9307c4c1 2886 }
9dc39cba 2887 break;
9307c4c1 2888 case 'i':
92a31b1f 2889 case 'l':
b6e098d7 2890 case 'M':
9307c4c1 2891 {
c2efc95d 2892 int64_t val;
7743e588 2893
cd390083 2894 while (qemu_isspace(*p))
9307c4c1 2895 p++;
3440557b 2896 if (*typestr == '?' || *typestr == '.') {
3440557b 2897 if (*typestr == '?') {
53773581
LC		 2898 if (*p == '\0') {
2899 typestr++;
2900 break;
2901 }
3440557b
FB		 2902 } else {
2903 if (*p == '.') {
2904 p++;
cd390083 2905 while (qemu_isspace(*p))
3440557b 2906 p++;
3440557b 2907 } else {
53773581
LC		 2908 typestr++;
2909 break;
3440557b
FB		 2910 }
2911 }
13224a87 2912 typestr++;
9307c4c1 2913 }
376253ec 2914 if (get_expr(mon, &val, &p))
9307c4c1 2915 goto fail;
675ebef9
LC		 2916 /* Check if 'i' is greater than 32-bit */
2917 if ((c == 'i') && ((val >> 32) & 0xffffffff)) {
ae50212f 2918 monitor_printf(mon, "\'%s\' has failed: ", cmd->name);
675ebef9
LC		 2919 monitor_printf(mon, "integer is for 32-bit values\n");
2920 goto fail;
b6e098d7 2921 } else if (c == 'M') {
91162849
LC		 2922 if (val < 0) {
2923 monitor_printf(mon, "enter a positive value\n");
2924 goto fail;
2925 }
b6e098d7 2926 val <<= 20;
675ebef9 2927 }
46f5ac20 2928 qdict_put_int(qdict, key, val);
9307c4c1
FB		 2929 }
2930 break;
dbc0c67f
JS		 2931 case 'o':
2932 {
f17fd4fd 2933 int ret;
f46bfdbf 2934 uint64_t val;
dbc0c67f
JS		 2935 char *end;
2936
2937 while (qemu_isspace(*p)) {
2938 p++;
2939 }
2940 if (*typestr == '?') {
2941 typestr++;
2942 if (*p == '\0') {
2943 break;
2944 }
2945 }
f17fd4fd 2946 ret = qemu_strtosz_MiB(p, &end, &val);
f46bfdbf 2947 if (ret < 0 || val > INT64_MAX) {
dbc0c67f
JS		 2948 monitor_printf(mon, "invalid size\n");
2949 goto fail;
2950 }
46f5ac20 2951 qdict_put_int(qdict, key, val);
dbc0c67f
JS		 2952 p = end;
2953 }
2954 break;
fccfb11e 2955 case 'T':
3350a4dd
MA		 2956 {
2957 double val;
2958
2959 while (qemu_isspace(*p))
2960 p++;
2961 if (*typestr == '?') {
2962 typestr++;
2963 if (*p == '\0') {
2964 break;
2965 }
2966 }
2967 if (get_double(mon, &val, &p) < 0) {
2968 goto fail;
2969 }
07de3e60 2970 if (p[0] && p[1] == 's') {
fccfb11e
MA		 2971 switch (*p) {
2972 case 'm':
2973 val /= 1e3; p += 2; break;
2974 case 'u':
2975 val /= 1e6; p += 2; break;
2976 case 'n':
2977 val /= 1e9; p += 2; break;
2978 }
2979 }
3350a4dd
MA		 2980 if (*p && !qemu_isspace(*p)) {
2981 monitor_printf(mon, "Unknown unit suffix\n");
2982 goto fail;
2983 }
01b2ffce 2984 qdict_put(qdict, key, qnum_from_double(val));
3350a4dd
MA		 2985 }
2986 break;
942cd1f2
MA		 2987 case 'b':
2988 {
2989 const char *beg;
fc48ffc3 2990 bool val;
942cd1f2
MA		 2991
2992 while (qemu_isspace(*p)) {
2993 p++;
2994 }
2995 beg = p;
2996 while (qemu_isgraph(*p)) {
2997 p++;
2998 }
2999 if (p - beg == 2 && !memcmp(beg, "on", p - beg)) {
fc48ffc3 3000 val = true;
942cd1f2 3001 } else if (p - beg == 3 && !memcmp(beg, "off", p - beg)) {
fc48ffc3 3002 val = false;
942cd1f2
MA		 3003 } else {
3004 monitor_printf(mon, "Expected 'on' or 'off'\n");
3005 goto fail;
3006 }
46f5ac20 3007 qdict_put_bool(qdict, key, val);
942cd1f2
MA		 3008 }
3009 break;
9307c4c1
FB		 3010 case '-':
3011 {
fbc3d96c 3012 const char *tmp = p;
eb159d13 3013 int skip_key = 0;
9307c4c1 3014 /* option */
3b46e624 3015
9307c4c1
FB		 3016 c = *typestr++;
3017 if (c == '\0')
3018 goto bad_type;
cd390083 3019 while (qemu_isspace(*p))
9307c4c1 3020 p++;
9307c4c1
FB		 3021 if (*p == '-') {
3022 p++;
fbc3d96c
LS		 3023 if(c != *p) {
3024 if(!is_valid_option(p, typestr)) {
3025
3026 monitor_printf(mon, "%s: unsupported option -%c\n",
ae50212f 3027 cmd->name, *p);
fbc3d96c
LS		 3028 goto fail;
3029 } else {
3030 skip_key = 1;
3031 }
3032 }
3033 if(skip_key) {
3034 p = tmp;
3035 } else {
eb159d13 3036 /* has option */
fbc3d96c 3037 p++;
46f5ac20 3038 qdict_put_bool(qdict, key, true);
9307c4c1 3039 }
9307c4c1 3040 }
9307c4c1
FB		 3041 }
3042 break;
129be006
WX		 3043 case 'S':
3044 {
3045 /* package all remaining string */
3046 int len;
3047
3048 while (qemu_isspace(*p)) {
3049 p++;
3050 }
3051 if (*typestr == '?') {
3052 typestr++;
3053 if (*p == '\0') {
3054 /* no remaining string: NULL argument */
3055 break;
3056 }
3057 }
3058 len = strlen(p);
3059 if (len <= 0) {
3060 monitor_printf(mon, "%s: string expected\n",
ae50212f 3061 cmd->name);
e549d2aa 3062 goto fail;
129be006 3063 }
46f5ac20 3064 qdict_put_str(qdict, key, p);
129be006
WX		 3065 p += len;
3066 }
3067 break;
9307c4c1
FB		 3068 default:
3069 bad_type:
ae50212f 3070 monitor_printf(mon, "%s: unknown type '%c'\n", cmd->name, c);
9307c4c1
FB		 3071 goto fail;
3072 }
7267c094 3073 g_free(key);
4d76d2ba 3074 key = NULL;
9dc39cba 3075 }
9307c4c1 3076 /* check that all arguments were parsed */
cd390083 3077 while (qemu_isspace(*p))
9307c4c1
FB		 3078 p++;
3079 if (*p != '\0') {
376253ec 3080 monitor_printf(mon, "%s: extraneous characters at the end of line\n",
ae50212f 3081 cmd->name);
9307c4c1 3082 goto fail;
9dc39cba 3083 }
9307c4c1 3084
ae50212f 3085 return qdict;
ac7531ec 3086
55f81d96 3087fail:
ae50212f 3088 QDECREF(qdict);
7267c094 3089 g_free(key);
55f81d96
LC		 3090 return NULL;
3091}
3092
7ef6cf63 3093static void handle_hmp_command(Monitor *mon, const char *cmdline)
55f81d96 3094{
55f81d96 3095 QDict *qdict;
c227f099 3096 const mon_cmd_t *cmd;
55f81d96 3097
79cad8b4
SH		 3098 trace_handle_hmp_command(mon, cmdline);
3099
250b8197 3100 cmd = monitor_parse_command(mon, cmdline, &cmdline, mon->cmd_table);
ae50212f
BD		 3101 if (!cmd) {
3102 return;
3103 }
55f81d96 3104
ae50212f
BD		 3105 qdict = monitor_parse_arguments(mon, &cmdline, cmd);
3106 if (!qdict) {
dd41eea7
BD		 3107 monitor_printf(mon, "Try \"help %s\" for more information\n",
3108 cmd->name);
ae50212f 3109 return;
55f81d96
LC		 3110 }
3111
2b9e3576 3112 cmd->cmd(mon, qdict);
f7188bbe 3113 QDECREF(qdict);
9dc39cba
FB		 3114}
3115
cd5c6bba 3116static void cmd_completion(Monitor *mon, const char *name, const char *list)
81d0912d
FB		 3117{
3118 const char *p, *pstart;
3119 char cmd[128];
3120 int len;
3121
3122 p = list;
3123 for(;;) {
3124 pstart = p;
3125 p = strchr(p, '|');
3126 if (!p)
3127 p = pstart + strlen(pstart);
3128 len = p - pstart;
3129 if (len > sizeof(cmd) - 2)
3130 len = sizeof(cmd) - 2;
3131 memcpy(cmd, pstart, len);
3132 cmd[len] = '\0';
3133 if (name[0] == '\0' || !strncmp(name, cmd, strlen(name))) {
cd5c6bba 3134 readline_add_completion(mon->rs, cmd);
81d0912d
FB		 3135 }
3136 if (*p == '\0')
3137 break;
3138 p++;
3139 }
3140}
3141
cb8f68b1 3142static void file_completion(Monitor *mon, const char *input)
81d0912d
FB		 3143{
3144 DIR *ffs;
3145 struct dirent *d;
3146 char path[1024];
3147 char file[1024], file_prefix[1024];
3148 int input_path_len;
3149 const char *p;
3150
5fafdf24 3151 p = strrchr(input, '/');
81d0912d
FB		 3152 if (!p) {
3153 input_path_len = 0;
3154 pstrcpy(file_prefix, sizeof(file_prefix), input);
363a37d5 3155 pstrcpy(path, sizeof(path), ".");
81d0912d
FB		 3156 } else {
3157 input_path_len = p - input + 1;
3158 memcpy(path, input, input_path_len);
3159 if (input_path_len > sizeof(path) - 1)
3160 input_path_len = sizeof(path) - 1;
3161 path[input_path_len] = '\0';
3162 pstrcpy(file_prefix, sizeof(file_prefix), p + 1);
3163 }
19f2db5c 3164
81d0912d
FB		 3165 ffs = opendir(path);
3166 if (!ffs)
3167 return;
3168 for(;;) {
3169 struct stat sb;
3170 d = readdir(ffs);
3171 if (!d)
3172 break;
46c7fc18
KK		 3173
3174 if (strcmp(d->d_name, ".") == 0 || strcmp(d->d_name, "..") == 0) {
3175 continue;
3176 }
3177
81d0912d
FB		 3178 if (strstart(d->d_name, file_prefix, NULL)) {
3179 memcpy(file, input, input_path_len);
363a37d5
BS		 3180 if (input_path_len < sizeof(file))
3181 pstrcpy(file + input_path_len, sizeof(file) - input_path_len,
3182 d->d_name);
81d0912d
FB		 3183 /* stat the file to find out if it's a directory.
3184 * In that case add a slash to speed up typing long paths
3185 */
c951d9a6 3186 if (stat(file, &sb) == 0 && S_ISDIR(sb.st_mode)) {
363a37d5 3187 pstrcat(file, sizeof(file), "/");
c951d9a6 3188 }
cb8f68b1 3189 readline_add_completion(mon->rs, file);
81d0912d
FB		 3190 }
3191 }
3192 closedir(ffs);
3193}
3194
4d76d2ba
LC		 3195static const char *next_arg_type(const char *typestr)
3196{
3197 const char *p = strchr(typestr, ':');
3198 return (p != NULL ? ++p : typestr);
3199}
3200
40d19394
HB		 3201static void add_completion_option(ReadLineState *rs, const char *str,
3202 const char *option)
3203{
3204 if (!str || !option) {
3205 return;
3206 }
3207 if (!strncmp(option, str, strlen(str))) {
3208 readline_add_completion(rs, option);
3209 }
3210}
3211
13e315da
HB		 3212void chardev_add_completion(ReadLineState *rs, int nb_args, const char *str)
3213{
3214 size_t len;
3215 ChardevBackendInfoList *list, *start;
3216
3217 if (nb_args != 2) {
3218 return;
3219 }
3220 len = strlen(str);
3221 readline_set_completion_index(rs, len);
3222
3223 start = list = qmp_query_chardev_backends(NULL);
3224 while (list) {
3225 const char *chr_name = list->value->name;
3226
3227 if (!strncmp(chr_name, str, len)) {
3228 readline_add_completion(rs, chr_name);
3229 }
3230 list = list->next;
3231 }
3232 qapi_free_ChardevBackendInfoList(start);
3233}
3234
b162b49a
HB		 3235void netdev_add_completion(ReadLineState *rs, int nb_args, const char *str)
3236{
3237 size_t len;
3238 int i;
3239
3240 if (nb_args != 2) {
3241 return;
3242 }
3243 len = strlen(str);
3244 readline_set_completion_index(rs, len);
1c236ba5 3245 for (i = 0; i < NET_CLIENT_DRIVER__MAX; i++) {
977c736f 3246 add_completion_option(rs, str, NetClientDriver_str(i));
b162b49a
HB		 3247 }
3248}
3249
2da1b3ab 3250void device_add_completion(ReadLineState *rs, int nb_args, const char *str)
992d3e64
HB		 3251{
3252 GSList *list, *elt;
3253 size_t len;
3254
2da1b3ab
HB		 3255 if (nb_args != 2) {
3256 return;
3257 }
3258
992d3e64
HB		 3259 len = strlen(str);
3260 readline_set_completion_index(rs, len);
3261 list = elt = object_class_get_list(TYPE_DEVICE, false);
3262 while (elt) {
3263 const char *name;
3264 DeviceClass *dc = OBJECT_CLASS_CHECK(DeviceClass, elt->data,
3265 TYPE_DEVICE);
3266 name = object_class_get_name(OBJECT_CLASS(dc));
2da1b3ab 3267
e90f2a8c 3268 if (dc->user_creatable
2da1b3ab 3269 && !strncmp(name, str, len)) {
992d3e64
HB		 3270 readline_add_completion(rs, name);
3271 }
3272 elt = elt->next;
3273 }
3274 g_slist_free(list);
3275}
3276
bfa40f77 3277void object_add_completion(ReadLineState *rs, int nb_args, const char *str)
1094fd3a
HB		 3278{
3279 GSList *list, *elt;
3280 size_t len;
3281
bfa40f77
HB		 3282 if (nb_args != 2) {
3283 return;
3284 }
3285
1094fd3a
HB		 3286 len = strlen(str);
3287 readline_set_completion_index(rs, len);
3288 list = elt = object_class_get_list(TYPE_USER_CREATABLE, false);
3289 while (elt) {
3290 const char *name;
3291
3292 name = object_class_get_name(OBJECT_CLASS(elt->data));
3293 if (!strncmp(name, str, len) && strcmp(name, TYPE_USER_CREATABLE)) {
3294 readline_add_completion(rs, name);
3295 }
3296 elt = elt->next;
3297 }
3298 g_slist_free(list);
3299}
3300
6a1fa9f5
ZG		 3301static void peripheral_device_del_completion(ReadLineState *rs,
3302 const char *str, size_t len)
3303{
4cae4d5a
MA		 3304 Object *peripheral = container_get(qdev_get_machine(), "/peripheral");
3305 GSList *list, *item;
6a1fa9f5 3306
4cae4d5a
MA		 3307 list = qdev_build_hotpluggable_device_list(peripheral);
3308 if (!list) {
6a1fa9f5
ZG		 3309 return;
3310 }
3311
6a1fa9f5
ZG		 3312 for (item = list; item; item = g_slist_next(item)) {
3313 DeviceState *dev = item->data;
3314
3315 if (dev->id && !strncmp(str, dev->id, len)) {
3316 readline_add_completion(rs, dev->id);
3317 }
3318 }
3319
3320 g_slist_free(list);
3321}
3322
6297d9a2
HB		 3323void chardev_remove_completion(ReadLineState *rs, int nb_args, const char *str)
3324{
3325 size_t len;
3326 ChardevInfoList *list, *start;
3327
3328 if (nb_args != 2) {
3329 return;
3330 }
3331 len = strlen(str);
3332 readline_set_completion_index(rs, len);
3333
3334 start = list = qmp_query_chardev(NULL);
3335 while (list) {
3336 ChardevInfo *chr = list->value;
3337
3338 if (!strncmp(chr->label, str, len)) {
3339 readline_add_completion(rs, chr->label);
3340 }
3341 list = list->next;
3342 }
3343 qapi_free_ChardevInfoList(start);
3344}
3345
8e597779
HB		 3346static void ringbuf_completion(ReadLineState *rs, const char *str)
3347{
3348 size_t len;
3349 ChardevInfoList *list, *start;
3350
3351 len = strlen(str);
3352 readline_set_completion_index(rs, len);
3353
3354 start = list = qmp_query_chardev(NULL);
3355 while (list) {
3356 ChardevInfo *chr_info = list->value;
3357
3358 if (!strncmp(chr_info->label, str, len)) {
0ec7b3e7 3359 Chardev *chr = qemu_chr_find(chr_info->label);
777357d7 3360 if (chr && CHARDEV_IS_RINGBUF(chr)) {
8e597779
HB		 3361 readline_add_completion(rs, chr_info->label);
3362 }
3363 }
3364 list = list->next;
3365 }
3366 qapi_free_ChardevInfoList(start);
3367}
3368
8e597779
HB		 3369void ringbuf_write_completion(ReadLineState *rs, int nb_args, const char *str)
3370{
3371 if (nb_args != 2) {
3372 return;
3373 }
3374 ringbuf_completion(rs, str);
3375}
3376
2da1b3ab
HB		 3377void device_del_completion(ReadLineState *rs, int nb_args, const char *str)
3378{
3379 size_t len;
3380
3381 if (nb_args != 2) {
3382 return;
3383 }
3384
3385 len = strlen(str);
3386 readline_set_completion_index(rs, len);
6a1fa9f5 3387 peripheral_device_del_completion(rs, str, len);
2da1b3ab
HB		 3388}
3389
bfa40f77 3390void object_del_completion(ReadLineState *rs, int nb_args, const char *str)
b48fa074
HB		 3391{
3392 ObjectPropertyInfoList *list, *start;
3393 size_t len;
3394
bfa40f77
HB		 3395 if (nb_args != 2) {
3396 return;
3397 }
b48fa074
HB		 3398 len = strlen(str);
3399 readline_set_completion_index(rs, len);
3400
3401 start = list = qmp_qom_list("/objects", NULL);
3402 while (list) {
3403 ObjectPropertyInfo *info = list->value;
3404
3405 if (!strncmp(info->type, "child<", 5)
3406 && !strncmp(info->name, str, len)) {
3407 readline_add_completion(rs, info->name);
3408 }
3409 list = list->next;
3410 }
3411 qapi_free_ObjectPropertyInfoList(start);
3412}
3413
29136cd8
HB		 3414void sendkey_completion(ReadLineState *rs, int nb_args, const char *str)
3415{
3416 int i;
3417 char *sep;
3418 size_t len;
3419
3420 if (nb_args != 2) {
3421 return;
3422 }
3423 sep = strrchr(str, '-');
3424 if (sep) {
3425 str = sep + 1;
3426 }
3427 len = strlen(str);
3428 readline_set_completion_index(rs, len);
7fb1cf16 3429 for (i = 0; i < Q_KEY_CODE__MAX; i++) {
977c736f
MA		 3430 if (!strncmp(str, QKeyCode_str(i), len)) {
3431 readline_add_completion(rs, QKeyCode_str(i));
29136cd8
HB		 3432 }
3433 }
3434}
3435
40d19394
HB		 3436void set_link_completion(ReadLineState *rs, int nb_args, const char *str)
3437{
3438 size_t len;
3439
3440 len = strlen(str);
3441 readline_set_completion_index(rs, len);
3442 if (nb_args == 2) {
eaed483c 3443 NetClientState *ncs[MAX_QUEUE_NUM];
40d19394
HB		 3444 int count, i;
3445 count = qemu_find_net_clients_except(NULL, ncs,
f394b2e2 3446 NET_CLIENT_DRIVER_NONE,
eaed483c 3447 MAX_QUEUE_NUM);
bcfa4d60 3448 for (i = 0; i < MIN(count, MAX_QUEUE_NUM); i++) {
40d19394
HB		 3449 const char *name = ncs[i]->name;
3450 if (!strncmp(str, name, len)) {
3451 readline_add_completion(rs, name);
3452 }
3453 }
3454 } else if (nb_args == 3) {
3455 add_completion_option(rs, str, "on");
3456 add_completion_option(rs, str, "off");
3457 }
3458}
3459
11b389f2
HB		 3460void netdev_del_completion(ReadLineState *rs, int nb_args, const char *str)
3461{
3462 int len, count, i;
eaed483c 3463 NetClientState *ncs[MAX_QUEUE_NUM];
11b389f2
HB		 3464
3465 if (nb_args != 2) {
3466 return;
3467 }
3468
3469 len = strlen(str);
3470 readline_set_completion_index(rs, len);
f394b2e2 3471 count = qemu_find_net_clients_except(NULL, ncs, NET_CLIENT_DRIVER_NIC,
eaed483c 3472 MAX_QUEUE_NUM);
bcfa4d60 3473 for (i = 0; i < MIN(count, MAX_QUEUE_NUM); i++) {
11b389f2
HB		 3474 QemuOpts *opts;
3475 const char *name = ncs[i]->name;
3476 if (strncmp(str, name, len)) {
3477 continue;
3478 }
3479 opts = qemu_opts_find(qemu_find_opts_err("netdev", NULL), name);
3480 if (opts) {
3481 readline_add_completion(rs, name);
3482 }
3483 }
3484}
3485
bd71211d
LV		 3486void info_trace_events_completion(ReadLineState *rs, int nb_args, const char *str)
3487{
3488 size_t len;
3489
3490 len = strlen(str);
3491 readline_set_completion_index(rs, len);
3492 if (nb_args == 2) {
0d4e995c
DB		 3493 TraceEventIter iter;
3494 TraceEvent *ev;
3495 char *pattern = g_strdup_printf("%s*", str);
3496 trace_event_iter_init(&iter, pattern);
3497 while ((ev = trace_event_iter_next(&iter)) != NULL) {
3498 readline_add_completion(rs, trace_event_get_name(ev));
bd71211d 3499 }
0d4e995c 3500 g_free(pattern);
bd71211d
LV		 3501 }
3502}
3503
987bd270
DDAG		 3504void trace_event_completion(ReadLineState *rs, int nb_args, const char *str)
3505{
3506 size_t len;
3507
3508 len = strlen(str);
3509 readline_set_completion_index(rs, len);
3510 if (nb_args == 2) {
0d4e995c
DB		 3511 TraceEventIter iter;
3512 TraceEvent *ev;
3513 char *pattern = g_strdup_printf("%s*", str);
3514 trace_event_iter_init(&iter, pattern);
3515 while ((ev = trace_event_iter_next(&iter)) != NULL) {
3516 readline_add_completion(rs, trace_event_get_name(ev));
3517 }
3518 g_free(pattern);
987bd270
DDAG		 3519 } else if (nb_args == 3) {
3520 add_completion_option(rs, str, "on");
3521 add_completion_option(rs, str, "off");
3522 }
3523}
3524
d0ece345
HB		 3525void watchdog_action_completion(ReadLineState *rs, int nb_args, const char *str)
3526{
4bb08af3
HB		 3527 int i;
3528
d0ece345
HB		 3529 if (nb_args != 2) {
3530 return;
3531 }
3532 readline_set_completion_index(rs, strlen(str));
14d53b4f
MP		 3533 for (i = 0; i < WATCHDOG_ACTION__MAX; i++) {
3534 add_completion_option(rs, str, WatchdogAction_str(i));
4bb08af3 3535 }
d0ece345
HB		 3536}
3537
c68a0409
HB		 3538void migrate_set_capability_completion(ReadLineState *rs, int nb_args,
3539 const char *str)
3540{
3541 size_t len;
3542
3543 len = strlen(str);
3544 readline_set_completion_index(rs, len);
3545 if (nb_args == 2) {
3546 int i;
7fb1cf16 3547 for (i = 0; i < MIGRATION_CAPABILITY__MAX; i++) {
977c736f 3548 const char *name = MigrationCapability_str(i);
c68a0409
HB		 3549 if (!strncmp(str, name, len)) {
3550 readline_add_completion(rs, name);
3551 }
3552 }
3553 } else if (nb_args == 3) {
3554 add_completion_option(rs, str, "on");
3555 add_completion_option(rs, str, "off");
3556 }
3557}
3558
50e9a629
LL		 3559void migrate_set_parameter_completion(ReadLineState *rs, int nb_args,
3560 const char *str)
3561{
3562 size_t len;
3563
3564 len = strlen(str);
3565 readline_set_completion_index(rs, len);
3566 if (nb_args == 2) {
3567 int i;
7fb1cf16 3568 for (i = 0; i < MIGRATION_PARAMETER__MAX; i++) {
977c736f 3569 const char *name = MigrationParameter_str(i);
50e9a629
LL		 3570 if (!strncmp(str, name, len)) {
3571 readline_add_completion(rs, name);
3572 }
3573 }
3574 }
3575}
3576
e3bb532c
HB		 3577void host_net_add_completion(ReadLineState *rs, int nb_args, const char *str)
3578{
3579 int i;
3580 size_t len;
3581 if (nb_args != 2) {
3582 return;
3583 }
3584 len = strlen(str);
3585 readline_set_completion_index(rs, len);
3586 for (i = 0; host_net_devices[i]; i++) {
3587 if (!strncmp(host_net_devices[i], str, len)) {
3588 readline_add_completion(rs, host_net_devices[i]);
3589 }
3590 }
3591}
3592
ddd6b45c
HB		 3593void host_net_remove_completion(ReadLineState *rs, int nb_args, const char *str)
3594{
eaed483c 3595 NetClientState *ncs[MAX_QUEUE_NUM];
ddd6b45c
HB		 3596 int count, i, len;
3597
3598 len = strlen(str);
3599 readline_set_completion_index(rs, len);
3600 if (nb_args == 2) {
3601 count = qemu_find_net_clients_except(NULL, ncs,
f394b2e2 3602 NET_CLIENT_DRIVER_NONE,
eaed483c 3603 MAX_QUEUE_NUM);
bcfa4d60 3604 for (i = 0; i < MIN(count, MAX_QUEUE_NUM); i++) {
ddd6b45c
HB		 3605 int id;
3606 char name[16];
3607
3608 if (net_hub_id_for_client(ncs[i], &id)) {
3609 continue;
3610 }
3611 snprintf(name, sizeof(name), "%d", id);
3612 if (!strncmp(str, name, len)) {
3613 readline_add_completion(rs, name);
3614 }
3615 }
3616 return;
3617 } else if (nb_args == 3) {
3618 count = qemu_find_net_clients_except(NULL, ncs,
f394b2e2 3619 NET_CLIENT_DRIVER_NIC,
eaed483c 3620 MAX_QUEUE_NUM);
bcfa4d60 3621 for (i = 0; i < MIN(count, MAX_QUEUE_NUM); i++) {
2c4681f5 3622 int id;
ddd6b45c
HB		 3623 const char *name;
3624
f394b2e2 3625 if (ncs[i]->info->type == NET_CLIENT_DRIVER_HUBPORT ||
2c4681f5
JW		 3626 net_hub_id_for_client(ncs[i], &id)) {
3627 continue;
3628 }
ddd6b45c
HB		 3629 name = ncs[i]->name;
3630 if (!strncmp(str, name, len)) {
3631 readline_add_completion(rs, name);
3632 }
3633 }
3634 return;
3635 }
3636}
3637
b21631f3
HB		 3638static void vm_completion(ReadLineState *rs, const char *str)
3639{
3640 size_t len;
7c8eece4 3641 BlockDriverState *bs;
88be7b4b 3642 BdrvNextIterator it;
b21631f3
HB		 3643
3644 len = strlen(str);
3645 readline_set_completion_index(rs, len);
7c8eece4 3646
88be7b4b 3647 for (bs = bdrv_first(&it); bs; bs = bdrv_next(&it)) {
b21631f3 3648 SnapshotInfoList *snapshots, *snapshot;
6bf1faa8
DL		 3649 AioContext *ctx = bdrv_get_aio_context(bs);
3650 bool ok = false;
b21631f3 3651
6bf1faa8
DL		 3652 aio_context_acquire(ctx);
3653 if (bdrv_can_snapshot(bs)) {
3654 ok = bdrv_query_snapshot_info_list(bs, &snapshots, NULL) == 0;
b21631f3 3655 }
6bf1faa8
DL		 3656 aio_context_release(ctx);
3657 if (!ok) {
b21631f3
HB		 3658 continue;
3659 }
6bf1faa8 3660
b21631f3
HB		 3661 snapshot = snapshots;
3662 while (snapshot) {
3663 char *completion = snapshot->value->name;
3664 if (!strncmp(str, completion, len)) {
3665 readline_add_completion(rs, completion);
3666 }
3667 completion = snapshot->value->id;
3668 if (!strncmp(str, completion, len)) {
3669 readline_add_completion(rs, completion);
3670 }
3671 snapshot = snapshot->next;
3672 }
3673 qapi_free_SnapshotInfoList(snapshots);
3674 }
3675
3676}
3677
3678void delvm_completion(ReadLineState *rs, int nb_args, const char *str)
3679{
3680 if (nb_args == 2) {
3681 vm_completion(rs, str);
3682 }
3683}
3684
3685void loadvm_completion(ReadLineState *rs, int nb_args, const char *str)
3686{
3687 if (nb_args == 2) {
3688 vm_completion(rs, str);
3689 }
3690}
3691
c35b6400
WX		 3692static void monitor_find_completion_by_table(Monitor *mon,
3693 const mon_cmd_t *cmd_table,
3694 char **args,
3695 int nb_args)
81d0912d
FB		 3696{
3697 const char *cmdname;
c35b6400 3698 int i;
bf67f1c0 3699 const char *ptype, *old_ptype, *str, *name;
c227f099 3700 const mon_cmd_t *cmd;
da27a00e 3701 BlockBackend *blk = NULL;
81d0912d 3702
81d0912d
FB		 3703 if (nb_args <= 1) {
3704 /* command completion */
3705 if (nb_args == 0)
3706 cmdname = "";
3707 else
3708 cmdname = args[0];
d2674b2c 3709 readline_set_completion_index(mon->rs, strlen(cmdname));
c35b6400 3710 for (cmd = cmd_table; cmd->name != NULL; cmd++) {
cd5c6bba 3711 cmd_completion(mon, cmdname, cmd->name);
81d0912d
FB		 3712 }
3713 } else {
3714 /* find the command */
c35b6400 3715 for (cmd = cmd_table; cmd->name != NULL; cmd++) {
03a63484
JK		 3716 if (compare_cmd(args[0], cmd->name)) {
3717 break;
3718 }
81d0912d 3719 }
03a63484 3720 if (!cmd->name) {
c35b6400 3721 return;
03a63484
JK		 3722 }
3723
d903a779
WX		 3724 if (cmd->sub_table) {
3725 /* do the job again */
e7ae771f
SW		 3726 monitor_find_completion_by_table(mon, cmd->sub_table,
3727 &args[1], nb_args - 1);
3728 return;
d903a779 3729 }
bfa40f77 3730 if (cmd->command_completion) {
e7ae771f
SW		 3731 cmd->command_completion(mon->rs, nb_args, args[nb_args - 1]);
3732 return;
bfa40f77 3733 }
d903a779 3734
4d76d2ba 3735 ptype = next_arg_type(cmd->args_type);
81d0912d
FB		 3736 for(i = 0; i < nb_args - 2; i++) {
3737 if (*ptype != '\0') {
4d76d2ba 3738 ptype = next_arg_type(ptype);
81d0912d 3739 while (*ptype == '?')
4d76d2ba 3740 ptype = next_arg_type(ptype);
81d0912d
FB		 3741 }
3742 }
3743 str = args[nb_args - 1];
bf67f1c0
DDAG		 3744 old_ptype = NULL;
3745 while (*ptype == '-' && old_ptype != ptype) {
3746 old_ptype = ptype;
3b6dbf27 3747 ptype = next_arg_type(ptype);
2a1704a7 3748 }
81d0912d
FB		 3749 switch(*ptype) {
3750 case 'F':
3751 /* file completion */
d2674b2c 3752 readline_set_completion_index(mon->rs, strlen(str));
cb8f68b1 3753 file_completion(mon, str);
81d0912d
FB		 3754 break;
3755 case 'B':
3756 /* block device name completion */
599a926a 3757 readline_set_completion_index(mon->rs, strlen(str));
da27a00e
HR		 3758 while ((blk = blk_next(blk)) != NULL) {
3759 name = blk_name(blk);
fea68bb6
MA		 3760 if (str[0] == '\0' ||
3761 !strncmp(name, str, strlen(str))) {
3762 readline_add_completion(mon->rs, name);
3763 }
3764 }
81d0912d 3765 break;
7fe48483 3766 case 's':
129be006 3767 case 'S':
29136cd8 3768 if (!strcmp(cmd->name, "help|?")) {
7ca0e061
WX		 3769 monitor_find_completion_by_table(mon, cmd_table,
3770 &args[1], nb_args - 1);
7fe48483
FB		 3771 }
3772 break;
81d0912d
FB		 3773 default:
3774 break;
3775 }
3776 }
c35b6400
WX		 3777}
3778
c60bf339 3779static void monitor_find_completion(void *opaque,
c35b6400
WX		 3780 const char *cmdline)
3781{
c60bf339 3782 Monitor *mon = opaque;
c35b6400
WX		 3783 char *args[MAX_ARGS];
3784 int nb_args, len;
3785
3786 /* 1. parse the cmdline */
3787 if (parse_cmdline(cmdline, &nb_args, args) < 0) {
3788 return;
3789 }
c35b6400
WX		 3790
3791 /* if the line ends with a space, it means we want to complete the
3792 next arg */
3793 len = strlen(cmdline);
3794 if (len > 0 && qemu_isspace(cmdline[len - 1])) {
3795 if (nb_args >= MAX_ARGS) {
3796 goto cleanup;
3797 }
3798 args[nb_args++] = g_strdup("");
3799 }
3800
3801 /* 2. auto complete according to args */
3802 monitor_find_completion_by_table(mon, mon->cmd_table, args, nb_args);
03a63484
JK		 3803
3804cleanup:
dcc70cdf 3805 free_cmdline_args(args, nb_args);
81d0912d
FB		 3806}
3807
731b0364 3808static int monitor_can_read(void *opaque)
9dc39cba 3809{
731b0364
AL		 3810 Monitor *mon = opaque;
3811
c62313bb 3812 return (mon->suspend_cnt == 0) ? 1 : 0;
9dc39cba
FB		 3813}
3814
95385fe9 3815static void handle_qmp_command(JSONMessageParser *parser, GQueue *tokens)
5fa737a4 3816{
5c678ee8
MAL		 3817 QObject *req, *rsp = NULL, *id = NULL;
3818 QDict *qdict = NULL;
5fa737a4 3819 Monitor *mon = cur_mon;
5c678ee8 3820 Error *err = NULL;
5fa737a4 3821
5c678ee8 3822 req = json_parser_parse_err(tokens, NULL, &err);
bbf1028a
MA		 3823 if (!req && !err) {
3824 /* json_parser_parse_err() sucks: can fail without setting @err */
3825 error_setg(&err, QERR_JSON_PARSING);
3826 }
3827 if (err) {
5fa737a4 3828 goto err_out;
5fa737a4
LC		 3829 }
3830
104fc302
MA		 3831 qdict = qobject_to_qdict(req);
3832 if (qdict) {
3833 id = qdict_get(qdict, "id");
3834 qobject_incref(id);
3835 qdict_del(qdict, "id");
3836 } /* else will fail qmp_dispatch() */
5c678ee8 3837
bd6952a3
DL		 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));
3841 QDECREF(req_json);
3842 }
b097efc0 3843
635db18f 3844 rsp = qmp_dispatch(cur_mon->qmp.commands, req);
5fa737a4 3845
635db18f
MA		 3846 if (mon->qmp.commands == &qmp_cap_negotiation_commands) {
3847 qdict = qdict_get_qdict(qobject_to_qdict(rsp), "error");
3848 if (qdict
3849 && !g_strcmp0(qdict_get_try_str(qdict, "class"),
977c736f 3850 QapiErrorClass_str(ERROR_CLASS_COMMAND_NOT_FOUND))) {
635db18f
MA		 3851 /* Provide a more useful error message */
3852 qdict_del(qdict, "desc");
46f5ac20
EB		 3853 qdict_put_str(qdict, "desc", "Expecting capabilities negotiation"
3854 " with 'qmp_capabilities'");
635db18f
MA		 3855 }
3856 }
5fa737a4 3857
5c678ee8
MAL		 3858err_out:
3859 if (err) {
3860 qdict = qdict_new();
3861 qdict_put_obj(qdict, "error", qmp_build_error_object(err));
3862 error_free(err);
3863 rsp = QOBJECT(qdict);
5fa737a4
LC		 3864 }
3865
5c678ee8
MAL		 3866 if (rsp) {
3867 if (id) {
3868 qdict_put_obj(qobject_to_qdict(rsp), "id", id);
3869 id = NULL;
3870 }
5fa737a4 3871
5c678ee8
MAL		 3872 monitor_json_emitter(mon, rsp);
3873 }
3874
3875 qobject_decref(id);
3876 qobject_decref(rsp);
3877 qobject_decref(req);
5fa737a4
LC		 3878}
3879
c83fe23b 3880static void monitor_qmp_read(void *opaque, const uint8_t *buf, int size)
9b57c02e
LC		 3881{
3882 Monitor *old_mon = cur_mon;
3883
3884 cur_mon = opaque;
3885
74358f2a 3886 json_message_parser_feed(&cur_mon->qmp.parser, (const char *) buf, size);
9b57c02e
LC		 3887
3888 cur_mon = old_mon;
3889}
3890
731b0364 3891static void monitor_read(void *opaque, const uint8_t *buf, int size)
9dc39cba 3892{
731b0364 3893 Monitor *old_mon = cur_mon;
7e2515e8 3894 int i;
376253ec 3895
731b0364
AL		 3896 cur_mon = opaque;
3897
cde76ee1
AL		 3898 if (cur_mon->rs) {
3899 for (i = 0; i < size; i++)
3900 readline_handle_byte(cur_mon->rs, buf[i]);
3901 } else {
3902 if (size == 0 || buf[size - 1] != 0)
3903 monitor_printf(cur_mon, "corrupted command\n");
3904 else
7ef6cf63 3905 handle_hmp_command(cur_mon, (char *)buf);
cde76ee1 3906 }
9dc39cba 3907
731b0364
AL		 3908 cur_mon = old_mon;
3909}
d8f44609 3910
c60bf339
SH		 3911static void monitor_command_cb(void *opaque, const char *cmdline,
3912 void *readline_opaque)
aa455485 3913{
c60bf339
SH		 3914 Monitor *mon = opaque;
3915
731b0364 3916 monitor_suspend(mon);
7ef6cf63 3917 handle_hmp_command(mon, cmdline);
731b0364 3918 monitor_resume(mon);
d8f44609
AL		 3919}
3920
cde76ee1 3921int monitor_suspend(Monitor *mon)
d8f44609 3922{
cde76ee1
AL		 3923 if (!mon->rs)
3924 return -ENOTTY;
731b0364 3925 mon->suspend_cnt++;
cde76ee1 3926 return 0;
d8f44609
AL		 3927}
3928
376253ec 3929void monitor_resume(Monitor *mon)
d8f44609 3930{
cde76ee1
AL		 3931 if (!mon->rs)
3932 return;
731b0364
AL		 3933 if (--mon->suspend_cnt == 0)
3934 readline_show_prompt(mon->rs);
aa455485
FB		 3935}
3936
ca9567e2
LC		 3937static QObject *get_qmp_greeting(void)
3938{
b9c15f16 3939 QObject *ver = NULL;
ca9567e2 3940
7fad30f0 3941 qmp_marshal_query_version(NULL, &ver, NULL);
c823501e
MAL		 3942
3943 return qobject_from_jsonf("{'QMP': {'version': %p, 'capabilities': []}}",
3944 ver);
ca9567e2
LC		 3945}
3946
c83fe23b 3947static void monitor_qmp_event(void *opaque, int event)
9b57c02e 3948{
47116d1c
LC		 3949 QObject *data;
3950 Monitor *mon = opaque;
9b57c02e 3951
47116d1c
LC		 3952 switch (event) {
3953 case CHR_EVENT_OPENED:
635db18f 3954 mon->qmp.commands = &qmp_cap_negotiation_commands;
ca9567e2 3955 data = get_qmp_greeting();
9b57c02e
LC		 3956 monitor_json_emitter(mon, data);
3957 qobject_decref(data);
efb87c16 3958 mon_refcount++;
47116d1c
LC		 3959 break;
3960 case CHR_EVENT_CLOSED:
74358f2a
MA		 3961 json_message_parser_destroy(&mon->qmp.parser);
3962 json_message_parser_init(&mon->qmp.parser, handle_qmp_command);
efb87c16
CB		 3963 mon_refcount--;
3964 monitor_fdsets_cleanup();
47116d1c 3965 break;
9b57c02e
LC		 3966 }
3967}
3968
731b0364 3969static void monitor_event(void *opaque, int event)
86e94dea 3970{
376253ec
AL		 3971 Monitor *mon = opaque;
3972
2724b180
AL		 3973 switch (event) {
3974 case CHR_EVENT_MUX_IN:
6cff3e85 3975 qemu_mutex_lock(&mon->out_lock);
a7aec5da 3976 mon->mux_out = 0;
6cff3e85 3977 qemu_mutex_unlock(&mon->out_lock);
a7aec5da
GH		 3978 if (mon->reset_seen) {
3979 readline_restart(mon->rs);
3980 monitor_resume(mon);
3981 monitor_flush(mon);
3982 } else {
3983 mon->suspend_cnt = 0;
3984 }
2724b180
AL		 3985 break;
3986
3987 case CHR_EVENT_MUX_OUT:
a7aec5da
GH		 3988 if (mon->reset_seen) {
3989 if (mon->suspend_cnt == 0) {
3990 monitor_printf(mon, "\n");
3991 }
3992 monitor_flush(mon);
3993 monitor_suspend(mon);
3994 } else {
3995 mon->suspend_cnt++;
3996 }
6cff3e85 3997 qemu_mutex_lock(&mon->out_lock);
a7aec5da 3998 mon->mux_out = 1;
6cff3e85 3999 qemu_mutex_unlock(&mon->out_lock);
2724b180 4000 break;
86e94dea 4001
b6b8df56 4002 case CHR_EVENT_OPENED:
2724b180
AL		 4003 monitor_printf(mon, "QEMU %s monitor - type 'help' for more "
4004 "information\n", QEMU_VERSION);
a7aec5da 4005 if (!mon->mux_out) {
e5554e20 4006 readline_restart(mon->rs);
2724b180 4007 readline_show_prompt(mon->rs);
a7aec5da
GH		 4008 }
4009 mon->reset_seen = 1;
efb87c16
CB		 4010 mon_refcount++;
4011 break;
4012
4013 case CHR_EVENT_CLOSED:
4014 mon_refcount--;
4015 monitor_fdsets_cleanup();
2724b180
AL		 4016 break;
4017 }
86e94dea
TS		 4018}
4019
816f8925
WX		 4020static int
4021compare_mon_cmd(const void *a, const void *b)
4022{
4023 return strcmp(((const mon_cmd_t *)a)->name,
4024 ((const mon_cmd_t *)b)->name);
4025}
4026
4027static void sortcmdlist(void)
4028{
4029 int array_num;
4030 int elem_size = sizeof(mon_cmd_t);
4031
4032 array_num = sizeof(mon_cmds)/elem_size-1;
4033 qsort((void *)mon_cmds, array_num, elem_size, compare_mon_cmd);
4034
4035 array_num = sizeof(info_cmds)/elem_size-1;
4036 qsort((void *)info_cmds, array_num, elem_size, compare_mon_cmd);
4037}
4038
c60bf339
SH		 4039/* These functions just adapt the readline interface in a typesafe way. We
4040 * could cast function pointers but that discards compiler checks.
4041 */
d5d1507b
SW		 4042static void GCC_FMT_ATTR(2, 3) monitor_readline_printf(void *opaque,
4043 const char *fmt, ...)
c60bf339
SH		 4044{
4045 va_list ap;
4046 va_start(ap, fmt);
4047 monitor_vprintf(opaque, fmt, ap);
4048 va_end(ap);
4049}
4050
4051static void monitor_readline_flush(void *opaque)
4052{
4053 monitor_flush(opaque);
4054}
4055
397d30e9
PB		 4056/*
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.
4060 */
4061void error_vprintf(const char *fmt, va_list ap)
4062{
4063 if (cur_mon && !monitor_cur_is_qmp()) {
4064 monitor_vprintf(cur_mon, fmt, ap);
4065 } else {
4066 vfprintf(stderr, fmt, ap);
4067 }
4068}
4069
4070void error_vprintf_unless_qmp(const char *fmt, va_list ap)
4071{
4072 if (cur_mon && !monitor_cur_is_qmp()) {
4073 monitor_vprintf(cur_mon, fmt, ap);
0d6b50d4
MAL		 4074 } else if (!cur_mon) {
4075 vfprintf(stderr, fmt, ap);
397d30e9
PB		 4076 }
4077}
4078
d622cb58
PB		 4079static void __attribute__((constructor)) monitor_lock_init(void)
4080{
4081 qemu_mutex_init(&monitor_lock);
4082}
4083
0ec7b3e7 4084void monitor_init(Chardev *chr, int flags)
aa455485 4085{
731b0364 4086 static int is_first_init = 1;
87127161 4087 Monitor *mon;
20d8a3ed
TS		 4088
4089 if (is_first_init) {
43a14cfc 4090 monitor_qapi_event_init();
d038317c 4091 sortcmdlist();
20d8a3ed
TS		 4092 is_first_init = 0;
4093 }
87127161 4094
b01fe89e
WX		 4095 mon = g_malloc(sizeof(*mon));
4096 monitor_data_init(mon);
20d8a3ed 4097
32a6ebec 4098 qemu_chr_fe_init(&mon->chr, chr, &error_abort);
731b0364 4099 mon->flags = flags;
cde76ee1 4100 if (flags & MONITOR_USE_READLINE) {
c60bf339
SH		 4101 mon->rs = readline_init(monitor_readline_printf,
4102 monitor_readline_flush,
4103 mon,
4104 monitor_find_completion);
cde76ee1
AL		 4105 monitor_read_command(mon, 0);
4106 }
87127161 4107
9f3982f2 4108 if (monitor_is_qmp(mon)) {
5345fdb4 4109 qemu_chr_fe_set_handlers(&mon->chr, monitor_can_read, monitor_qmp_read,
81517ba3 4110 monitor_qmp_event, NULL, mon, NULL, true);
5345fdb4 4111 qemu_chr_fe_set_echo(&mon->chr, true);
74358f2a 4112 json_message_parser_init(&mon->qmp.parser, handle_qmp_command);
9b57c02e 4113 } else {
5345fdb4 4114 qemu_chr_fe_set_handlers(&mon->chr, monitor_can_read, monitor_read,
81517ba3 4115 monitor_event, NULL, mon, NULL, true);
9b57c02e 4116 }
87127161 4117
d622cb58 4118 qemu_mutex_lock(&monitor_lock);
72cf2d4f 4119 QLIST_INSERT_HEAD(&mon_list, mon, entry);
d622cb58 4120 qemu_mutex_unlock(&monitor_lock);
aa455485
FB		 4121}
4122
2ef45716
MAL		 4123void monitor_cleanup(void)
4124{
4125 Monitor *mon, *next;
4126
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);
4131 g_free(mon);
4132 }
4133 qemu_mutex_unlock(&monitor_lock);
4134}
4135
4d454574
PB		 4136QemuOptsList qemu_mon_opts = {
4137 .name = "mon",
4138 .implied_opt_name = "chardev",
4139 .head = QTAILQ_HEAD_INITIALIZER(qemu_mon_opts.head),
4140 .desc = {
4141 {
4142 .name = "mode",
4143 .type = QEMU_OPT_STRING,
4144 },{
4145 .name = "chardev",
4146 .type = QEMU_OPT_STRING,
4d454574
PB		 4147 },{
4148 .name = "pretty",
4149 .type = QEMU_OPT_BOOL,
4150 },
4151 { /* end of list */ }
4152 },
4153};
f2ae8abf
MT		 4154
4155#ifndef TARGET_I386
4156void qmp_rtc_reset_reinjection(Error **errp)
4157{
c6bd8c70 4158 error_setg(errp, QERR_FEATURE_DISABLED, "rtc-reset-reinjection");
f2ae8abf
MT		 4159}
4160#endif
7ee0c3e3
JH		 4161
4162#ifndef TARGET_S390X
4163void qmp_dump_skeys(const char *filename, Error **errp)
4164{
4165 error_setg(errp, QERR_FEATURE_DISABLED, "dump-skeys");
4166}
4167#endif
ae50a770
PX		 4168
4169#ifndef TARGET_ARM
4170GICCapabilityList *qmp_query_gic_capabilities(Error **errp)
4171{
4172 error_setg(errp, QERR_FEATURE_DISABLED, "query-gic-capabilities");
4173 return NULL;
4174}
4175#endif
d4633541
IM		 4176
4177HotpluggableCPUList *qmp_query_hotpluggable_cpus(Error **errp)
4178{
4179 MachineState *ms = MACHINE(qdev_get_machine());
4180 MachineClass *mc = MACHINE_GET_CLASS(ms);
4181
c5514d0e 4182 if (!mc->has_hotpluggable_cpus) {
d4633541
IM		 4183 error_setg(errp, QERR_FEATURE_DISABLED, "query-hotpluggable-cpus");
4184 return NULL;
4185 }
4186
c5514d0e 4187 return machine_query_hotpluggable_cpus(ms);
d4633541 4188}
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