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[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 72#include "hmp.h"
1de7afc9 73#include "qemu/thread.h"
b21631f3 74#include "block/qapi.h"
eb815e24
MA		 75#include "qapi/qapi-commands.h"
76#include "qapi/qapi-events.h"
e688df6b 77#include "qapi/error.h"
43a14cfc 78#include "qapi/qmp-event.h"
eb815e24 79#include "qapi/qapi-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
fb0bc835 954 * qapi-gen.py's output actually conforms to the schema.
39a18158
MA		 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
137b5cb6 1058static CPUState *mon_get_cpu_sync(bool synchronize)
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 }
137b5cb6
VM		 1077 if (synchronize) {
1078 cpu_synchronize_state(cpu);
1079 }
751f8cfe 1080 return cpu;
5bcda5f7
PC		 1081}
1082
137b5cb6
VM		 1083CPUState *mon_get_cpu(void)
1084{
1085 return mon_get_cpu_sync(true);
1086}
1087
bf957284 1088CPUArchState *mon_get_cpu_env(void)
5bcda5f7 1089{
854e67fe
TH		 1090 CPUState *cs = mon_get_cpu();
1091
1092 return cs ? cs->env_ptr : NULL;
6a00d601
FB		 1093}
1094
99b7796f
LC		 1095int monitor_get_cpu_index(void)
1096{
137b5cb6 1097 CPUState *cs = mon_get_cpu_sync(false);
854e67fe
TH		 1098
1099 return cs ? cs->cpu_index : UNASSIGNED_CPU_INDEX;
99b7796f
LC		 1100}
1101
1ce6be24 1102static void hmp_info_registers(Monitor *mon, const QDict *qdict)
9307c4c1 1103{
18f08282
SJS		 1104 bool all_cpus = qdict_get_try_bool(qdict, "cpustate_all", false);
1105 CPUState *cs;
854e67fe 1106
18f08282
SJS		 1107 if (all_cpus) {
1108 CPU_FOREACH(cs) {
1109 monitor_printf(mon, "\nCPU#%d\n", cs->cpu_index);
1110 cpu_dump_state(cs, (FILE *)mon, monitor_fprintf, CPU_DUMP_FPU);
1111 }
1112 } else {
1113 cs = mon_get_cpu();
1114
1115 if (!cs) {
1116 monitor_printf(mon, "No CPU available\n");
1117 return;
1118 }
1119
1120 cpu_dump_state(cs, (FILE *)mon, monitor_fprintf, CPU_DUMP_FPU);
854e67fe 1121 }
9307c4c1
FB		 1122}
1123
f0d14a95 1124#ifdef CONFIG_TCG
1ce6be24 1125static void hmp_info_jit(Monitor *mon, const QDict *qdict)
e3db7226 1126{
b7da97ee
TH		 1127 if (!tcg_enabled()) {
1128 error_report("JIT information is only available with accel=tcg");
1129 return;
1130 }
1131
376253ec 1132 dump_exec_info((FILE *)mon, monitor_fprintf);
27498bef 1133 dump_drift_info((FILE *)mon, monitor_fprintf);
e3db7226
FB		 1134}
1135
1ce6be24 1136static void hmp_info_opcount(Monitor *mon, const QDict *qdict)
246ae24d
MF		 1137{
1138 dump_opcount_info((FILE *)mon, monitor_fprintf);
1139}
f0d14a95 1140#endif
246ae24d 1141
1ce6be24 1142static void hmp_info_history(Monitor *mon, const QDict *qdict)
aa455485
FB		 1143{
1144 int i;
7e2515e8 1145 const char *str;
3b46e624 1146
cde76ee1
AL		 1147 if (!mon->rs)
1148 return;
7e2515e8
FB		 1149 i = 0;
1150 for(;;) {
731b0364 1151 str = readline_get_history(mon->rs, i);
7e2515e8
FB		 1152 if (!str)
1153 break;
376253ec 1154 monitor_printf(mon, "%d: '%s'\n", i, str);
8e3a9fd2 1155 i++;
aa455485
FB		 1156 }
1157}
1158
1ce6be24 1159static void hmp_info_cpustats(Monitor *mon, const QDict *qdict)
76a66253 1160{
854e67fe
TH		 1161 CPUState *cs = mon_get_cpu();
1162
1163 if (!cs) {
1164 monitor_printf(mon, "No CPU available\n");
1165 return;
1166 }
1167 cpu_dump_statistics(cs, (FILE *)mon, &monitor_fprintf, 0);
76a66253 1168}
76a66253 1169
1ce6be24 1170static void hmp_info_trace_events(Monitor *mon, const QDict *qdict)
22890ab5 1171{
bd71211d 1172 const char *name = qdict_get_try_str(qdict, "name");
77e2b172
LV		 1173 bool has_vcpu = qdict_haskey(qdict, "vcpu");
1174 int vcpu = qdict_get_try_int(qdict, "vcpu", 0);
bd71211d 1175 TraceEventInfoList *events;
14101d02 1176 TraceEventInfoList *elem;
bd71211d
LV		 1177 Error *local_err = NULL;
1178
1179 if (name == NULL) {
1180 name = "*";
1181 }
77e2b172
LV		 1182 if (vcpu < 0) {
1183 monitor_printf(mon, "argument vcpu must be positive");
1184 return;
1185 }
bd71211d 1186
77e2b172 1187 events = qmp_trace_event_get_state(name, has_vcpu, vcpu, &local_err);
bd71211d
LV		 1188 if (local_err) {
1189 error_report_err(local_err);
1190 return;
1191 }
14101d02
LV		 1192
1193 for (elem = events; elem != NULL; elem = elem->next) {
1194 monitor_printf(mon, "%s : state %u\n",
1195 elem->value->name,
1196 elem->value->state == TRACE_EVENT_STATE_ENABLED ? 1 : 0);
1197 }
1198 qapi_free_TraceEventInfoList(events);
22890ab5 1199}
22890ab5 1200
b8a185bc
MA		 1201void qmp_client_migrate_info(const char *protocol, const char *hostname,
1202 bool has_port, int64_t port,
1203 bool has_tls_port, int64_t tls_port,
1204 bool has_cert_subject, const char *cert_subject,
1205 Error **errp)
e866e239 1206{
e866e239 1207 if (strcmp(protocol, "spice") == 0) {
b8a185bc
MA		 1208 if (!qemu_using_spice(errp)) {
1209 return;
e866e239
GH		 1210 }
1211
b8a185bc 1212 if (!has_port && !has_tls_port) {
c6bd8c70 1213 error_setg(errp, QERR_MISSING_PARAMETER, "port/tls-port");
b8a185bc 1214 return;
6ec5dae5
YH		 1215 }
1216
b8a185bc
MA		 1217 if (qemu_spice_migrate_info(hostname,
1218 has_port ? port : -1,
1219 has_tls_port ? tls_port : -1,
1220 cert_subject)) {
c6bd8c70 1221 error_setg(errp, QERR_UNDEFINED_ERROR);
b8a185bc 1222 return;
e866e239 1223 }
b8a185bc 1224 return;
e866e239
GH		 1225 }
1226
c6bd8c70 1227 error_setg(errp, QERR_INVALID_PARAMETER_VALUE, "protocol", "spice");
e866e239
GH		 1228}
1229
3e5a50d6 1230static void hmp_logfile(Monitor *mon, const QDict *qdict)
e735b91c 1231{
daa76aa4
MA		 1232 Error *err = NULL;
1233
1234 qemu_set_log_filename(qdict_get_str(qdict, "filename"), &err);
1235 if (err) {
1236 error_report_err(err);
1237 }
e735b91c
PB		 1238}
1239
3e5a50d6 1240static void hmp_log(Monitor *mon, const QDict *qdict)
f193c797
FB		 1241{
1242 int mask;
d54908a5 1243 const char *items = qdict_get_str(qdict, "items");
3b46e624 1244
9307c4c1 1245 if (!strcmp(items, "none")) {
f193c797
FB		 1246 mask = 0;
1247 } else {
4fde1eba 1248 mask = qemu_str_to_log_mask(items);
f193c797 1249 if (!mask) {
376253ec 1250 help_cmd(mon, "log");
f193c797
FB		 1251 return;
1252 }
1253 }
24537a01 1254 qemu_set_log(mask);
f193c797
FB		 1255}
1256
3e5a50d6 1257static void hmp_singlestep(Monitor *mon, const QDict *qdict)
1b530a6d 1258{
d54908a5 1259 const char *option = qdict_get_try_str(qdict, "option");
1b530a6d
AJ		 1260 if (!option || !strcmp(option, "on")) {
1261 singlestep = 1;
1262 } else if (!strcmp(option, "off")) {
1263 singlestep = 0;
1264 } else {
1265 monitor_printf(mon, "unexpected option %s\n", option);
1266 }
1267}
1268
3e5a50d6 1269static void hmp_gdbserver(Monitor *mon, const QDict *qdict)
59030a8c 1270{
d54908a5 1271 const char *device = qdict_get_try_str(qdict, "device");
59030a8c
AL		 1272 if (!device)
1273 device = "tcp::" DEFAULT_GDBSTUB_PORT;
1274 if (gdbserver_start(device) < 0) {
1275 monitor_printf(mon, "Could not open gdbserver on device '%s'\n",
1276 device);
1277 } else if (strcmp(device, "none") == 0) {
36556b20 1278 monitor_printf(mon, "Disabled gdbserver\n");
8a7ddc38 1279 } else {
59030a8c
AL		 1280 monitor_printf(mon, "Waiting for gdb connection on device '%s'\n",
1281 device);
8a7ddc38
FB		 1282 }
1283}
1284
3e5a50d6 1285static void hmp_watchdog_action(Monitor *mon, const QDict *qdict)
9dd986cc 1286{
d54908a5 1287 const char *action = qdict_get_str(qdict, "action");
9dd986cc
RJ		 1288 if (select_watchdog_action(action) == -1) {
1289 monitor_printf(mon, "Unknown watchdog action '%s'\n", action);
1290 }
1291}
1292
376253ec 1293static void monitor_printc(Monitor *mon, int c)
9307c4c1 1294{
376253ec 1295 monitor_printf(mon, "'");
9307c4c1
FB		 1296 switch(c) {
1297 case '\'':
376253ec 1298 monitor_printf(mon, "\\'");
9307c4c1
FB		 1299 break;
1300 case '\\':
376253ec 1301 monitor_printf(mon, "\\\\");
9307c4c1
FB		 1302 break;
1303 case '\n':
376253ec 1304 monitor_printf(mon, "\\n");
9307c4c1
FB		 1305 break;
1306 case '\r':
376253ec 1307 monitor_printf(mon, "\\r");
9307c4c1
FB		 1308 break;
1309 default:
1310 if (c >= 32 && c <= 126) {
376253ec 1311 monitor_printf(mon, "%c", c);
9307c4c1 1312 } else {
376253ec 1313 monitor_printf(mon, "\\x%02x", c);
9307c4c1
FB		 1314 }
1315 break;
1316 }
376253ec 1317 monitor_printf(mon, "'");
9307c4c1
FB		 1318}
1319
376253ec 1320static void memory_dump(Monitor *mon, int count, int format, int wsize,
a8170e5e 1321 hwaddr addr, int is_physical)
9307c4c1 1322{
23842aab 1323 int l, line_size, i, max_digits, len;
9307c4c1
FB		 1324 uint8_t buf[16];
1325 uint64_t v;
854e67fe
TH		 1326 CPUState *cs = mon_get_cpu();
1327
1328 if (!cs && (format == 'i' || !is_physical)) {
1329 monitor_printf(mon, "Can not dump without CPU\n");
1330 return;
1331 }
9307c4c1
FB		 1332
1333 if (format == 'i') {
1d48474d 1334 monitor_disas(mon, cs, addr, count, is_physical);
9307c4c1
FB		 1335 return;
1336 }
1337
1338 len = wsize * count;
1339 if (wsize == 1)
1340 line_size = 8;
1341 else
1342 line_size = 16;
9307c4c1
FB		 1343 max_digits = 0;
1344
1345 switch(format) {
1346 case 'o':
69db8dfc 1347 max_digits = DIV_ROUND_UP(wsize * 8, 3);
9307c4c1
FB		 1348 break;
1349 default:
1350 case 'x':
1351 max_digits = (wsize * 8) / 4;
1352 break;
1353 case 'u':
1354 case 'd':
69db8dfc 1355 max_digits = DIV_ROUND_UP(wsize * 8 * 10, 33);
9307c4c1
FB		 1356 break;
1357 case 'c':
1358 wsize = 1;
1359 break;
1360 }
1361
1362 while (len > 0) {
7743e588 1363 if (is_physical)
376253ec 1364 monitor_printf(mon, TARGET_FMT_plx ":", addr);
7743e588 1365 else
376253ec 1366 monitor_printf(mon, TARGET_FMT_lx ":", (target_ulong)addr);
9307c4c1
FB		 1367 l = len;
1368 if (l > line_size)
1369 l = line_size;
1370 if (is_physical) {
54f7b4a3 1371 cpu_physical_memory_read(addr, buf, l);
9307c4c1 1372 } else {
854e67fe 1373 if (cpu_memory_rw_debug(cs, addr, buf, l, 0) < 0) {
376253ec 1374 monitor_printf(mon, " Cannot access memory\n");
c8f79b67
AL		 1375 break;
1376 }
9307c4c1 1377 }
5fafdf24 1378 i = 0;
9307c4c1
FB		 1379 while (i < l) {
1380 switch(wsize) {
1381 default:
1382 case 1:
24e60305 1383 v = ldub_p(buf + i);
9307c4c1
FB		 1384 break;
1385 case 2:
24e60305 1386 v = lduw_p(buf + i);
9307c4c1
FB		 1387 break;
1388 case 4:
24e60305 1389 v = (uint32_t)ldl_p(buf + i);
9307c4c1
FB		 1390 break;
1391 case 8:
24e60305 1392 v = ldq_p(buf + i);
9307c4c1
FB		 1393 break;
1394 }
376253ec 1395 monitor_printf(mon, " ");
9307c4c1
FB		 1396 switch(format) {
1397 case 'o':
376253ec 1398 monitor_printf(mon, "%#*" PRIo64, max_digits, v);
9307c4c1
FB		 1399 break;
1400 case 'x':
376253ec 1401 monitor_printf(mon, "0x%0*" PRIx64, max_digits, v);
9307c4c1
FB		 1402 break;
1403 case 'u':
376253ec 1404 monitor_printf(mon, "%*" PRIu64, max_digits, v);
9307c4c1
FB		 1405 break;
1406 case 'd':
376253ec 1407 monitor_printf(mon, "%*" PRId64, max_digits, v);
9307c4c1
FB		 1408 break;
1409 case 'c':
376253ec 1410 monitor_printc(mon, v);
9307c4c1
FB		 1411 break;
1412 }
1413 i += wsize;
1414 }
376253ec 1415 monitor_printf(mon, "\n");
9307c4c1
FB		 1416 addr += l;
1417 len -= l;
1418 }
1419}
1420
3e5a50d6 1421static void hmp_memory_dump(Monitor *mon, const QDict *qdict)
9307c4c1 1422{
1bd1442e
LC		 1423 int count = qdict_get_int(qdict, "count");
1424 int format = qdict_get_int(qdict, "format");
1425 int size = qdict_get_int(qdict, "size");
1426 target_long addr = qdict_get_int(qdict, "addr");
1427
376253ec 1428 memory_dump(mon, count, format, size, addr, 0);
9307c4c1
FB		 1429}
1430
3e5a50d6 1431static void hmp_physical_memory_dump(Monitor *mon, const QDict *qdict)
9307c4c1 1432{
1bd1442e
LC		 1433 int count = qdict_get_int(qdict, "count");
1434 int format = qdict_get_int(qdict, "format");
1435 int size = qdict_get_int(qdict, "size");
a8170e5e 1436 hwaddr addr = qdict_get_int(qdict, "addr");
1bd1442e 1437
376253ec 1438 memory_dump(mon, count, format, size, addr, 1);
9307c4c1
FB		 1439}
1440
e9628441
PB		 1441static void *gpa2hva(MemoryRegion **p_mr, hwaddr addr, Error **errp)
1442{
1443 MemoryRegionSection mrs = memory_region_find(get_system_memory(),
1444 addr, 1);
1445
1446 if (!mrs.mr) {
1447 error_setg(errp, "No memory is mapped at address 0x%" HWADDR_PRIx, addr);
1448 return NULL;
1449 }
1450
1451 if (!memory_region_is_ram(mrs.mr) && !memory_region_is_romd(mrs.mr)) {
1452 error_setg(errp, "Memory at address 0x%" HWADDR_PRIx "is not RAM", addr);
1453 memory_region_unref(mrs.mr);
1454 return NULL;
1455 }
1456
1457 *p_mr = mrs.mr;
1458 return qemu_map_ram_ptr(mrs.mr->ram_block, mrs.offset_within_region);
1459}
1460
1461static void hmp_gpa2hva(Monitor *mon, const QDict *qdict)
1462{
1463 hwaddr addr = qdict_get_int(qdict, "addr");
1464 Error *local_err = NULL;
1465 MemoryRegion *mr = NULL;
1466 void *ptr;
1467
1468 ptr = gpa2hva(&mr, addr, &local_err);
1469 if (local_err) {
1470 error_report_err(local_err);
1471 return;
1472 }
1473
1474 monitor_printf(mon, "Host virtual address for 0x%" HWADDR_PRIx
1475 " (%s) is %p\n",
1476 addr, mr->name, ptr);
1477
1478 memory_region_unref(mr);
1479}
1480
1481#ifdef CONFIG_LINUX
1482static uint64_t vtop(void *ptr, Error **errp)
1483{
1484 uint64_t pinfo;
1485 uint64_t ret = -1;
1486 uintptr_t addr = (uintptr_t) ptr;
1487 uintptr_t pagesize = getpagesize();
1488 off_t offset = addr / pagesize * sizeof(pinfo);
1489 int fd;
1490
1491 fd = open("/proc/self/pagemap", O_RDONLY);
1492 if (fd == -1) {
1493 error_setg_errno(errp, errno, "Cannot open /proc/self/pagemap");
1494 return -1;
1495 }
1496
1497 /* Force copy-on-write if necessary. */
1498 atomic_add((uint8_t *)ptr, 0);
1499
1500 if (pread(fd, &pinfo, sizeof(pinfo), offset) != sizeof(pinfo)) {
1501 error_setg_errno(errp, errno, "Cannot read pagemap");
1502 goto out;
1503 }
1504 if ((pinfo & (1ull << 63)) == 0) {
1505 error_setg(errp, "Page not present");
1506 goto out;
1507 }
1508 ret = ((pinfo & 0x007fffffffffffffull) * pagesize) | (addr & (pagesize - 1));
1509
1510out:
1511 close(fd);
1512 return ret;
1513}
1514
1515static void hmp_gpa2hpa(Monitor *mon, const QDict *qdict)
1516{
1517 hwaddr addr = qdict_get_int(qdict, "addr");
1518 Error *local_err = NULL;
1519 MemoryRegion *mr = NULL;
1520 void *ptr;
1521 uint64_t physaddr;
1522
1523 ptr = gpa2hva(&mr, addr, &local_err);
1524 if (local_err) {
1525 error_report_err(local_err);
1526 return;
1527 }
1528
1529 physaddr = vtop(ptr, &local_err);
1530 if (local_err) {
1531 error_report_err(local_err);
1532 } else {
1533 monitor_printf(mon, "Host physical address for 0x%" HWADDR_PRIx
1534 " (%s) is 0x%" PRIx64 "\n",
1535 addr, mr->name, (uint64_t) physaddr);
1536 }
1537
1538 memory_region_unref(mr);
1539}
1540#endif
1541
1bd1442e 1542static void do_print(Monitor *mon, const QDict *qdict)
9307c4c1 1543{
1bd1442e 1544 int format = qdict_get_int(qdict, "format");
a8170e5e 1545 hwaddr val = qdict_get_int(qdict, "val");
1bd1442e 1546
9307c4c1
FB		 1547 switch(format) {
1548 case 'o':
a8170e5e 1549 monitor_printf(mon, "%#" HWADDR_PRIo, val);
9307c4c1
FB		 1550 break;
1551 case 'x':
a8170e5e 1552 monitor_printf(mon, "%#" HWADDR_PRIx, val);
9307c4c1
FB		 1553 break;
1554 case 'u':
a8170e5e 1555 monitor_printf(mon, "%" HWADDR_PRIu, val);
9307c4c1
FB		 1556 break;
1557 default:
1558 case 'd':
a8170e5e 1559 monitor_printf(mon, "%" HWADDR_PRId, val);
9307c4c1
FB		 1560 break;
1561 case 'c':
376253ec 1562 monitor_printc(mon, val);
9307c4c1
FB		 1563 break;
1564 }
376253ec 1565 monitor_printf(mon, "\n");
9307c4c1
FB		 1566}
1567
3e5a50d6 1568static void hmp_sum(Monitor *mon, const QDict *qdict)
e4cf1adc
FB		 1569{
1570 uint32_t addr;
e4cf1adc 1571 uint16_t sum;
f18c16de
LC		 1572 uint32_t start = qdict_get_int(qdict, "start");
1573 uint32_t size = qdict_get_int(qdict, "size");
e4cf1adc
FB		 1574
1575 sum = 0;
1576 for(addr = start; addr < (start + size); addr++) {
42874d3a
PM		 1577 uint8_t val = address_space_ldub(&address_space_memory, addr,
1578 MEMTXATTRS_UNSPECIFIED, NULL);
e4cf1adc
FB		 1579 /* BSD sum algorithm ('sum' Unix command) */
1580 sum = (sum >> 1) | (sum << 15);
54f7b4a3 1581 sum += val;
e4cf1adc 1582 }
376253ec 1583 monitor_printf(mon, "%05d\n", sum);
e4cf1adc
FB		 1584}
1585
13224a87
FB		 1586static int mouse_button_state;
1587
3e5a50d6 1588static void hmp_mouse_move(Monitor *mon, const QDict *qdict)
13224a87 1589{
c751a74a 1590 int dx, dy, dz, button;
1d4daa91
LC		 1591 const char *dx_str = qdict_get_str(qdict, "dx_str");
1592 const char *dy_str = qdict_get_str(qdict, "dy_str");
1593 const char *dz_str = qdict_get_try_str(qdict, "dz_str");
c751a74a 1594
13224a87
FB		 1595 dx = strtol(dx_str, NULL, 0);
1596 dy = strtol(dy_str, NULL, 0);
c751a74a
GH		 1597 qemu_input_queue_rel(NULL, INPUT_AXIS_X, dx);
1598 qemu_input_queue_rel(NULL, INPUT_AXIS_Y, dy);
1599
1600 if (dz_str) {
13224a87 1601 dz = strtol(dz_str, NULL, 0);
c751a74a 1602 if (dz != 0) {
f22d0af0 1603 button = (dz > 0) ? INPUT_BUTTON_WHEEL_UP : INPUT_BUTTON_WHEEL_DOWN;
c751a74a
GH		 1604 qemu_input_queue_btn(NULL, button, true);
1605 qemu_input_event_sync();
1606 qemu_input_queue_btn(NULL, button, false);
1607 }
1608 }
1609 qemu_input_event_sync();
13224a87
FB		 1610}
1611
3e5a50d6 1612static void hmp_mouse_button(Monitor *mon, const QDict *qdict)
13224a87 1613{
7fb1cf16 1614 static uint32_t bmap[INPUT_BUTTON__MAX] = {
c751a74a
GH		 1615 [INPUT_BUTTON_LEFT] = MOUSE_EVENT_LBUTTON,
1616 [INPUT_BUTTON_MIDDLE] = MOUSE_EVENT_MBUTTON,
1617 [INPUT_BUTTON_RIGHT] = MOUSE_EVENT_RBUTTON,
1618 };
d54908a5 1619 int button_state = qdict_get_int(qdict, "button_state");
c751a74a
GH		 1620
1621 if (mouse_button_state == button_state) {
1622 return;
1623 }
1624 qemu_input_update_buttons(NULL, bmap, mouse_button_state, button_state);
1625 qemu_input_event_sync();
13224a87 1626 mouse_button_state = button_state;
13224a87
FB		 1627}
1628
3e5a50d6 1629static void hmp_ioport_read(Monitor *mon, const QDict *qdict)
3440557b 1630{
aa93e39c
LC		 1631 int size = qdict_get_int(qdict, "size");
1632 int addr = qdict_get_int(qdict, "addr");
1633 int has_index = qdict_haskey(qdict, "index");
3440557b
FB		 1634 uint32_t val;
1635 int suffix;
1636
1637 if (has_index) {
aa93e39c 1638 int index = qdict_get_int(qdict, "index");
afcea8cb 1639 cpu_outb(addr & IOPORTS_MASK, index & 0xff);
3440557b
FB		 1640 addr++;
1641 }
1642 addr &= 0xffff;
1643
1644 switch(size) {
1645 default:
1646 case 1:
afcea8cb 1647 val = cpu_inb(addr);
3440557b
FB		 1648 suffix = 'b';
1649 break;
1650 case 2:
afcea8cb 1651 val = cpu_inw(addr);
3440557b
FB		 1652 suffix = 'w';
1653 break;
1654 case 4:
afcea8cb 1655 val = cpu_inl(addr);
3440557b
FB		 1656 suffix = 'l';
1657 break;
1658 }
376253ec
AL		 1659 monitor_printf(mon, "port%c[0x%04x] = %#0*x\n",
1660 suffix, addr, size * 2, val);
3440557b 1661}
a3a91a35 1662
3e5a50d6 1663static void hmp_ioport_write(Monitor *mon, const QDict *qdict)
f114784f 1664{
1bd1442e
LC		 1665 int size = qdict_get_int(qdict, "size");
1666 int addr = qdict_get_int(qdict, "addr");
1667 int val = qdict_get_int(qdict, "val");
1668
f114784f
JK		 1669 addr &= IOPORTS_MASK;
1670
1671 switch (size) {
1672 default:
1673 case 1:
afcea8cb 1674 cpu_outb(addr, val);
f114784f
JK		 1675 break;
1676 case 2:
afcea8cb 1677 cpu_outw(addr, val);
f114784f
JK		 1678 break;
1679 case 4:
afcea8cb 1680 cpu_outl(addr, val);
f114784f
JK		 1681 break;
1682 }
1683}
1684
3e5a50d6 1685static void hmp_boot_set(Monitor *mon, const QDict *qdict)
0ecdffbb 1686{
f1839938 1687 Error *local_err = NULL;
d54908a5 1688 const char *bootdevice = qdict_get_str(qdict, "bootdevice");
0ecdffbb 1689
f1839938
GA		 1690 qemu_boot_set(bootdevice, &local_err);
1691 if (local_err) {
193227f9 1692 error_report_err(local_err);
0ecdffbb 1693 } else {
f1839938 1694 monitor_printf(mon, "boot device list now set to %s\n", bootdevice);
0ecdffbb
AJ		 1695 }
1696}
1697
1ce6be24 1698static void hmp_info_mtree(Monitor *mon, const QDict *qdict)
314e2987 1699{
57bb40c9 1700 bool flatview = qdict_get_try_bool(qdict, "flatview", false);
5e8fd947 1701 bool dispatch_tree = qdict_get_try_bool(qdict, "dispatch_tree", false);
57bb40c9 1702
5e8fd947 1703 mtree_info((fprintf_function)monitor_printf, mon, flatview, dispatch_tree);
314e2987
BS		 1704}
1705
1ce6be24 1706static void hmp_info_numa(Monitor *mon, const QDict *qdict)
030ea37b 1707{
b28b6230 1708 int i;
31959e82 1709 NumaNodeMem *node_mem;
f75cd44d 1710 CpuInfoList *cpu_list, *cpu;
030ea37b 1711
f75cd44d 1712 cpu_list = qmp_query_cpus(&error_abort);
31959e82
VG		 1713 node_mem = g_new0(NumaNodeMem, nb_numa_nodes);
1714
5b009e40 1715 query_numa_node_mem(node_mem);
030ea37b
AL		 1716 monitor_printf(mon, "%d nodes\n", nb_numa_nodes);
1717 for (i = 0; i < nb_numa_nodes; i++) {
1718 monitor_printf(mon, "node %d cpus:", i);
f75cd44d
IM		 1719 for (cpu = cpu_list; cpu; cpu = cpu->next) {
1720 if (cpu->value->has_props && cpu->value->props->has_node_id &&
1721 cpu->value->props->node_id == i) {
1722 monitor_printf(mon, " %" PRIi64, cpu->value->CPU);
030ea37b
AL		 1723 }
1724 }
1725 monitor_printf(mon, "\n");
1726 monitor_printf(mon, "node %d size: %" PRId64 " MB\n", i,
31959e82
VG		 1727 node_mem[i].node_mem >> 20);
1728 monitor_printf(mon, "node %d plugged: %" PRId64 " MB\n", i,
1729 node_mem[i].node_plugged_mem >> 20);
030ea37b 1730 }
f75cd44d 1731 qapi_free_CpuInfoList(cpu_list);
5b009e40 1732 g_free(node_mem);
030ea37b
AL		 1733}
1734
5f1ce948
FB		 1735#ifdef CONFIG_PROFILER
1736
89d5cbdd 1737int64_t tcg_time;
e9a6625e
AJ		 1738int64_t dev_time;
1739
1ce6be24 1740static void hmp_info_profile(Monitor *mon, const QDict *qdict)
5f1ce948 1741{
376253ec 1742 monitor_printf(mon, "async time %" PRId64 " (%0.3f)\n",
73bcb24d 1743 dev_time, dev_time / (double)NANOSECONDS_PER_SECOND);
376253ec 1744 monitor_printf(mon, "qemu time %" PRId64 " (%0.3f)\n",
73bcb24d 1745 tcg_time, tcg_time / (double)NANOSECONDS_PER_SECOND);
89d5cbdd 1746 tcg_time = 0;
5f1ce948 1747 dev_time = 0;
5f1ce948
FB		 1748}
1749#else
1ce6be24 1750static void hmp_info_profile(Monitor *mon, const QDict *qdict)
5f1ce948 1751{
376253ec 1752 monitor_printf(mon, "Internal profiler not compiled\n");
5f1ce948
FB		 1753}
1754#endif
1755
ec36b695 1756/* Capture support */
72cf2d4f 1757static QLIST_HEAD (capture_list_head, CaptureState) capture_head;
ec36b695 1758
1ce6be24 1759static void hmp_info_capture(Monitor *mon, const QDict *qdict)
ec36b695
FB		 1760{
1761 int i;
1762 CaptureState *s;
1763
1764 for (s = capture_head.lh_first, i = 0; s; s = s->entries.le_next, ++i) {
376253ec 1765 monitor_printf(mon, "[%d]: ", i);
ec36b695
FB		 1766 s->ops.info (s->opaque);
1767 }
1768}
1769
3e5a50d6 1770static void hmp_stopcapture(Monitor *mon, const QDict *qdict)
ec36b695
FB		 1771{
1772 int i;
d54908a5 1773 int n = qdict_get_int(qdict, "n");
ec36b695
FB		 1774 CaptureState *s;
1775
1776 for (s = capture_head.lh_first, i = 0; s; s = s->entries.le_next, ++i) {
1777 if (i == n) {
1778 s->ops.destroy (s->opaque);
72cf2d4f 1779 QLIST_REMOVE (s, entries);
7267c094 1780 g_free (s);
ec36b695
FB		 1781 return;
1782 }
1783 }
1784}
1785
3e5a50d6 1786static void hmp_wavcapture(Monitor *mon, const QDict *qdict)
c1925484
LC		 1787{
1788 const char *path = qdict_get_str(qdict, "path");
1789 int has_freq = qdict_haskey(qdict, "freq");
1790 int freq = qdict_get_try_int(qdict, "freq", -1);
1791 int has_bits = qdict_haskey(qdict, "bits");
1792 int bits = qdict_get_try_int(qdict, "bits", -1);
1793 int has_channels = qdict_haskey(qdict, "nchannels");
1794 int nchannels = qdict_get_try_int(qdict, "nchannels", -1);
ec36b695
FB		 1795 CaptureState *s;
1796
7267c094 1797 s = g_malloc0 (sizeof (*s));
ec36b695
FB		 1798
1799 freq = has_freq ? freq : 44100;
1800 bits = has_bits ? bits : 16;
1801 nchannels = has_channels ? nchannels : 2;
1802
1803 if (wav_start_capture (s, path, freq, bits, nchannels)) {
d00b2618 1804 monitor_printf(mon, "Failed to add wave capture\n");
7267c094 1805 g_free (s);
d00b2618 1806 return;
ec36b695 1807 }
72cf2d4f 1808 QLIST_INSERT_HEAD (&capture_head, s, entries);
ec36b695 1809}
ec36b695 1810
15dfcd45 1811static qemu_acl *find_acl(Monitor *mon, const char *name)
76655d6d 1812{
15dfcd45 1813 qemu_acl *acl = qemu_acl_find(name);
76655d6d 1814
76655d6d 1815 if (!acl) {
15dfcd45 1816 monitor_printf(mon, "acl: unknown list '%s'\n", name);
76655d6d 1817 }
15dfcd45
JK		 1818 return acl;
1819}
1820
3e5a50d6 1821static void hmp_acl_show(Monitor *mon, const QDict *qdict)
15dfcd45 1822{
d54908a5 1823 const char *aclname = qdict_get_str(qdict, "aclname");
15dfcd45
JK		 1824 qemu_acl *acl = find_acl(mon, aclname);
1825 qemu_acl_entry *entry;
1826 int i = 0;
76655d6d 1827
15dfcd45 1828 if (acl) {
28a76be8 1829 monitor_printf(mon, "policy: %s\n",
76655d6d 1830 acl->defaultDeny ? "deny" : "allow");
72cf2d4f 1831 QTAILQ_FOREACH(entry, &acl->entries, next) {
28a76be8
AL		 1832 i++;
1833 monitor_printf(mon, "%d: %s %s\n", i,
15dfcd45 1834 entry->deny ? "deny" : "allow", entry->match);
28a76be8 1835 }
15dfcd45
JK		 1836 }
1837}
1838
3e5a50d6 1839static void hmp_acl_reset(Monitor *mon, const QDict *qdict)
15dfcd45 1840{
d54908a5 1841 const char *aclname = qdict_get_str(qdict, "aclname");
15dfcd45
JK		 1842 qemu_acl *acl = find_acl(mon, aclname);
1843
1844 if (acl) {
28a76be8
AL		 1845 qemu_acl_reset(acl);
1846 monitor_printf(mon, "acl: removed all rules\n");
15dfcd45
JK		 1847 }
1848}
1849
3e5a50d6 1850static void hmp_acl_policy(Monitor *mon, const QDict *qdict)
15dfcd45 1851{
f18c16de
LC		 1852 const char *aclname = qdict_get_str(qdict, "aclname");
1853 const char *policy = qdict_get_str(qdict, "policy");
15dfcd45 1854 qemu_acl *acl = find_acl(mon, aclname);
28a76be8 1855
15dfcd45
JK		 1856 if (acl) {
1857 if (strcmp(policy, "allow") == 0) {
28a76be8
AL		 1858 acl->defaultDeny = 0;
1859 monitor_printf(mon, "acl: policy set to 'allow'\n");
15dfcd45 1860 } else if (strcmp(policy, "deny") == 0) {
28a76be8
AL		 1861 acl->defaultDeny = 1;
1862 monitor_printf(mon, "acl: policy set to 'deny'\n");
1863 } else {
15dfcd45
JK		 1864 monitor_printf(mon, "acl: unknown policy '%s', "
1865 "expected 'deny' or 'allow'\n", policy);
28a76be8 1866 }
15dfcd45
JK		 1867 }
1868}
28a76be8 1869
3e5a50d6 1870static void hmp_acl_add(Monitor *mon, const QDict *qdict)
15dfcd45 1871{
1bd1442e
LC		 1872 const char *aclname = qdict_get_str(qdict, "aclname");
1873 const char *match = qdict_get_str(qdict, "match");
1874 const char *policy = qdict_get_str(qdict, "policy");
1875 int has_index = qdict_haskey(qdict, "index");
1876 int index = qdict_get_try_int(qdict, "index", -1);
15dfcd45
JK		 1877 qemu_acl *acl = find_acl(mon, aclname);
1878 int deny, ret;
1879
1880 if (acl) {
1881 if (strcmp(policy, "allow") == 0) {
1882 deny = 0;
1883 } else if (strcmp(policy, "deny") == 0) {
1884 deny = 1;
1885 } else {
1886 monitor_printf(mon, "acl: unknown policy '%s', "
1887 "expected 'deny' or 'allow'\n", policy);
28a76be8
AL		 1888 return;
1889 }
28a76be8
AL		 1890 if (has_index)
1891 ret = qemu_acl_insert(acl, deny, match, index);
1892 else
1893 ret = qemu_acl_append(acl, deny, match);
1894 if (ret < 0)
1895 monitor_printf(mon, "acl: unable to add acl entry\n");
1896 else
1897 monitor_printf(mon, "acl: added rule at position %d\n", ret);
15dfcd45
JK		 1898 }
1899}
28a76be8 1900
3e5a50d6 1901static void hmp_acl_remove(Monitor *mon, const QDict *qdict)
15dfcd45 1902{
f18c16de
LC		 1903 const char *aclname = qdict_get_str(qdict, "aclname");
1904 const char *match = qdict_get_str(qdict, "match");
15dfcd45
JK		 1905 qemu_acl *acl = find_acl(mon, aclname);
1906 int ret;
28a76be8 1907
15dfcd45 1908 if (acl) {
28a76be8
AL		 1909 ret = qemu_acl_remove(acl, match);
1910 if (ret < 0)
1911 monitor_printf(mon, "acl: no matching acl entry\n");
1912 else
1913 monitor_printf(mon, "acl: removed rule at position %d\n", ret);
76655d6d
AL		 1914 }
1915}
1916
208c9d1b 1917void qmp_getfd(const char *fdname, Error **errp)
f07918fd 1918{
c227f099 1919 mon_fd_t *monfd;
f07918fd
MM		 1920 int fd;
1921
5345fdb4 1922 fd = qemu_chr_fe_get_msgfd(&cur_mon->chr);
f07918fd 1923 if (fd == -1) {
c6bd8c70 1924 error_setg(errp, QERR_FD_NOT_SUPPLIED);
208c9d1b 1925 return;
f07918fd
MM		 1926 }
1927
1928 if (qemu_isdigit(fdname[0])) {
0b9f0e2f 1929 close(fd);
c6bd8c70
MA		 1930 error_setg(errp, QERR_INVALID_PARAMETER_VALUE, "fdname",
1931 "a name not starting with a digit");
208c9d1b 1932 return;
f07918fd
MM		 1933 }
1934
208c9d1b 1935 QLIST_FOREACH(monfd, &cur_mon->fds, next) {
f07918fd
MM		 1936 if (strcmp(monfd->name, fdname) != 0) {
1937 continue;
1938 }
1939
1940 close(monfd->fd);
1941 monfd->fd = fd;
208c9d1b 1942 return;
f07918fd
MM		 1943 }
1944
7267c094
AL		 1945 monfd = g_malloc0(sizeof(mon_fd_t));
1946 monfd->name = g_strdup(fdname);
f07918fd
MM		 1947 monfd->fd = fd;
1948
208c9d1b 1949 QLIST_INSERT_HEAD(&cur_mon->fds, monfd, next);
f07918fd
MM		 1950}
1951
208c9d1b 1952void qmp_closefd(const char *fdname, Error **errp)
f07918fd 1953{
c227f099 1954 mon_fd_t *monfd;
f07918fd 1955
208c9d1b 1956 QLIST_FOREACH(monfd, &cur_mon->fds, next) {
f07918fd
MM		 1957 if (strcmp(monfd->name, fdname) != 0) {
1958 continue;
1959 }
1960
72cf2d4f 1961 QLIST_REMOVE(monfd, next);
f07918fd 1962 close(monfd->fd);
7267c094
AL		 1963 g_free(monfd->name);
1964 g_free(monfd);
208c9d1b 1965 return;
f07918fd
MM		 1966 }
1967
c6bd8c70 1968 error_setg(errp, QERR_FD_NOT_FOUND, fdname);
f07918fd
MM		 1969}
1970
a9940fc4 1971int monitor_get_fd(Monitor *mon, const char *fdname, Error **errp)
7768e04c 1972{
c227f099 1973 mon_fd_t *monfd;
7768e04c 1974
72cf2d4f 1975 QLIST_FOREACH(monfd, &mon->fds, next) {
7768e04c
MM		 1976 int fd;
1977
1978 if (strcmp(monfd->name, fdname) != 0) {
1979 continue;
1980 }
1981
1982 fd = monfd->fd;
1983
1984 /* caller takes ownership of fd */
72cf2d4f 1985 QLIST_REMOVE(monfd, next);
7267c094
AL		 1986 g_free(monfd->name);
1987 g_free(monfd);
7768e04c
MM		 1988
1989 return fd;
1990 }
1991
a9940fc4 1992 error_setg(errp, "File descriptor named '%s' has not been found", fdname);
7768e04c
MM		 1993 return -1;
1994}
1995
ba1c048a
CB		 1996static void monitor_fdset_cleanup(MonFdset *mon_fdset)
1997{
1998 MonFdsetFd *mon_fdset_fd;
1999 MonFdsetFd *mon_fdset_fd_next;
2000
2001 QLIST_FOREACH_SAFE(mon_fdset_fd, &mon_fdset->fds, next, mon_fdset_fd_next) {
ebe52b59
CB		 2002 if ((mon_fdset_fd->removed ||
2003 (QLIST_EMPTY(&mon_fdset->dup_fds) && mon_refcount == 0)) &&
2004 runstate_is_running()) {
ba1c048a
CB		 2005 close(mon_fdset_fd->fd);
2006 g_free(mon_fdset_fd->opaque);
2007 QLIST_REMOVE(mon_fdset_fd, next);
2008 g_free(mon_fdset_fd);
2009 }
2010 }
2011
adb696f3 2012 if (QLIST_EMPTY(&mon_fdset->fds) && QLIST_EMPTY(&mon_fdset->dup_fds)) {
ba1c048a
CB		 2013 QLIST_REMOVE(mon_fdset, next);
2014 g_free(mon_fdset);
2015 }
2016}
2017
efb87c16
CB		 2018static void monitor_fdsets_cleanup(void)
2019{
2020 MonFdset *mon_fdset;
2021 MonFdset *mon_fdset_next;
2022
2023 QLIST_FOREACH_SAFE(mon_fdset, &mon_fdsets, next, mon_fdset_next) {
2024 monitor_fdset_cleanup(mon_fdset);
2025 }
2026}
2027
ba1c048a
CB		 2028AddfdInfo *qmp_add_fd(bool has_fdset_id, int64_t fdset_id, bool has_opaque,
2029 const char *opaque, Error **errp)
2030{
2031 int fd;
2032 Monitor *mon = cur_mon;
ba1c048a
CB		 2033 AddfdInfo *fdinfo;
2034
5345fdb4 2035 fd = qemu_chr_fe_get_msgfd(&mon->chr);
ba1c048a 2036 if (fd == -1) {
c6bd8c70 2037 error_setg(errp, QERR_FD_NOT_SUPPLIED);
ba1c048a
CB		 2038 goto error;
2039 }
2040
e446f70d
CB		 2041 fdinfo = monitor_fdset_add_fd(fd, has_fdset_id, fdset_id,
2042 has_opaque, opaque, errp);
2043 if (fdinfo) {
2044 return fdinfo;
ba1c048a 2045 }
ba1c048a
CB		 2046
2047error:
2048 if (fd != -1) {
2049 close(fd);
2050 }
2051 return NULL;
2052}
2053
2054void qmp_remove_fd(int64_t fdset_id, bool has_fd, int64_t fd, Error **errp)
2055{
2056 MonFdset *mon_fdset;
2057 MonFdsetFd *mon_fdset_fd;
2058 char fd_str[60];
2059
2060 QLIST_FOREACH(mon_fdset, &mon_fdsets, next) {
2061 if (mon_fdset->id != fdset_id) {
2062 continue;
2063 }
2064 QLIST_FOREACH(mon_fdset_fd, &mon_fdset->fds, next) {
2065 if (has_fd) {
2066 if (mon_fdset_fd->fd != fd) {
2067 continue;
2068 }
2069 mon_fdset_fd->removed = true;
2070 break;
2071 } else {
2072 mon_fdset_fd->removed = true;
2073 }
2074 }
2075 if (has_fd && !mon_fdset_fd) {
2076 goto error;
2077 }
2078 monitor_fdset_cleanup(mon_fdset);
2079 return;
2080 }
2081
2082error:
2083 if (has_fd) {
2084 snprintf(fd_str, sizeof(fd_str), "fdset-id:%" PRId64 ", fd:%" PRId64,
2085 fdset_id, fd);
2086 } else {
2087 snprintf(fd_str, sizeof(fd_str), "fdset-id:%" PRId64, fdset_id);
2088 }
c6bd8c70 2089 error_setg(errp, QERR_FD_NOT_FOUND, fd_str);
ba1c048a
CB		 2090}
2091
2092FdsetInfoList *qmp_query_fdsets(Error **errp)
2093{
2094 MonFdset *mon_fdset;
2095 MonFdsetFd *mon_fdset_fd;
2096 FdsetInfoList *fdset_list = NULL;
2097
2098 QLIST_FOREACH(mon_fdset, &mon_fdsets, next) {
2099 FdsetInfoList *fdset_info = g_malloc0(sizeof(*fdset_info));
2100 FdsetFdInfoList *fdsetfd_list = NULL;
2101
2102 fdset_info->value = g_malloc0(sizeof(*fdset_info->value));
2103 fdset_info->value->fdset_id = mon_fdset->id;
2104
2105 QLIST_FOREACH(mon_fdset_fd, &mon_fdset->fds, next) {
2106 FdsetFdInfoList *fdsetfd_info;
2107
2108 fdsetfd_info = g_malloc0(sizeof(*fdsetfd_info));
2109 fdsetfd_info->value = g_malloc0(sizeof(*fdsetfd_info->value));
2110 fdsetfd_info->value->fd = mon_fdset_fd->fd;
2111 if (mon_fdset_fd->opaque) {
2112 fdsetfd_info->value->has_opaque = true;
2113 fdsetfd_info->value->opaque = g_strdup(mon_fdset_fd->opaque);
2114 } else {
2115 fdsetfd_info->value->has_opaque = false;
2116 }
2117
2118 fdsetfd_info->next = fdsetfd_list;
2119 fdsetfd_list = fdsetfd_info;
2120 }
2121
2122 fdset_info->value->fds = fdsetfd_list;
2123
2124 fdset_info->next = fdset_list;
2125 fdset_list = fdset_info;
2126 }
2127
2128 return fdset_list;
2129}
2130
e446f70d
CB		 2131AddfdInfo *monitor_fdset_add_fd(int fd, bool has_fdset_id, int64_t fdset_id,
2132 bool has_opaque, const char *opaque,
2133 Error **errp)
2134{
2135 MonFdset *mon_fdset = NULL;
2136 MonFdsetFd *mon_fdset_fd;
2137 AddfdInfo *fdinfo;
2138
2139 if (has_fdset_id) {
2140 QLIST_FOREACH(mon_fdset, &mon_fdsets, next) {
2141 /* Break if match found or match impossible due to ordering by ID */
2142 if (fdset_id <= mon_fdset->id) {
2143 if (fdset_id < mon_fdset->id) {
2144 mon_fdset = NULL;
2145 }
2146 break;
2147 }
2148 }
2149 }
2150
2151 if (mon_fdset == NULL) {
2152 int64_t fdset_id_prev = -1;
2153 MonFdset *mon_fdset_cur = QLIST_FIRST(&mon_fdsets);
2154
2155 if (has_fdset_id) {
2156 if (fdset_id < 0) {
c6bd8c70
MA		 2157 error_setg(errp, QERR_INVALID_PARAMETER_VALUE, "fdset-id",
2158 "a non-negative value");
e446f70d
CB		 2159 return NULL;
2160 }
2161 /* Use specified fdset ID */
2162 QLIST_FOREACH(mon_fdset, &mon_fdsets, next) {
2163 mon_fdset_cur = mon_fdset;
2164 if (fdset_id < mon_fdset_cur->id) {
2165 break;
2166 }
2167 }
2168 } else {
2169 /* Use first available fdset ID */
2170 QLIST_FOREACH(mon_fdset, &mon_fdsets, next) {
2171 mon_fdset_cur = mon_fdset;
2172 if (fdset_id_prev == mon_fdset_cur->id - 1) {
2173 fdset_id_prev = mon_fdset_cur->id;
2174 continue;
2175 }
2176 break;
2177 }
2178 }
2179
2180 mon_fdset = g_malloc0(sizeof(*mon_fdset));
2181 if (has_fdset_id) {
2182 mon_fdset->id = fdset_id;
2183 } else {
2184 mon_fdset->id = fdset_id_prev + 1;
2185 }
2186
2187 /* The fdset list is ordered by fdset ID */
2188 if (!mon_fdset_cur) {
2189 QLIST_INSERT_HEAD(&mon_fdsets, mon_fdset, next);
2190 } else if (mon_fdset->id < mon_fdset_cur->id) {
2191 QLIST_INSERT_BEFORE(mon_fdset_cur, mon_fdset, next);
2192 } else {
2193 QLIST_INSERT_AFTER(mon_fdset_cur, mon_fdset, next);
2194 }
2195 }
2196
2197 mon_fdset_fd = g_malloc0(sizeof(*mon_fdset_fd));
2198 mon_fdset_fd->fd = fd;
2199 mon_fdset_fd->removed = false;
2200 if (has_opaque) {
2201 mon_fdset_fd->opaque = g_strdup(opaque);
2202 }
2203 QLIST_INSERT_HEAD(&mon_fdset->fds, mon_fdset_fd, next);
2204
2205 fdinfo = g_malloc0(sizeof(*fdinfo));
2206 fdinfo->fdset_id = mon_fdset->id;
2207 fdinfo->fd = mon_fdset_fd->fd;
2208
2209 return fdinfo;
2210}
2211
adb696f3
CB		 2212int monitor_fdset_get_fd(int64_t fdset_id, int flags)
2213{
b2dc64c3 2214#ifndef _WIN32
adb696f3
CB		 2215 MonFdset *mon_fdset;
2216 MonFdsetFd *mon_fdset_fd;
2217 int mon_fd_flags;
2218
adb696f3
CB		 2219 QLIST_FOREACH(mon_fdset, &mon_fdsets, next) {
2220 if (mon_fdset->id != fdset_id) {
2221 continue;
2222 }
2223 QLIST_FOREACH(mon_fdset_fd, &mon_fdset->fds, next) {
2224 mon_fd_flags = fcntl(mon_fdset_fd->fd, F_GETFL);
2225 if (mon_fd_flags == -1) {
2226 return -1;
2227 }
2228
2229 if ((flags & O_ACCMODE) == (mon_fd_flags & O_ACCMODE)) {
2230 return mon_fdset_fd->fd;
2231 }
2232 }
2233 errno = EACCES;
2234 return -1;
2235 }
2236#endif
2237
2238 errno = ENOENT;
2239 return -1;
2240}
2241
2242int monitor_fdset_dup_fd_add(int64_t fdset_id, int dup_fd)
2243{
2244 MonFdset *mon_fdset;
2245 MonFdsetFd *mon_fdset_fd_dup;
2246
2247 QLIST_FOREACH(mon_fdset, &mon_fdsets, next) {
2248 if (mon_fdset->id != fdset_id) {
2249 continue;
2250 }
2251 QLIST_FOREACH(mon_fdset_fd_dup, &mon_fdset->dup_fds, next) {
2252 if (mon_fdset_fd_dup->fd == dup_fd) {
2253 return -1;
2254 }
2255 }
2256 mon_fdset_fd_dup = g_malloc0(sizeof(*mon_fdset_fd_dup));
2257 mon_fdset_fd_dup->fd = dup_fd;
2258 QLIST_INSERT_HEAD(&mon_fdset->dup_fds, mon_fdset_fd_dup, next);
2259 return 0;
2260 }
2261 return -1;
2262}
2263
2264static int monitor_fdset_dup_fd_find_remove(int dup_fd, bool remove)
2265{
2266 MonFdset *mon_fdset;
2267 MonFdsetFd *mon_fdset_fd_dup;
2268
2269 QLIST_FOREACH(mon_fdset, &mon_fdsets, next) {
2270 QLIST_FOREACH(mon_fdset_fd_dup, &mon_fdset->dup_fds, next) {
2271 if (mon_fdset_fd_dup->fd == dup_fd) {
2272 if (remove) {
2273 QLIST_REMOVE(mon_fdset_fd_dup, next);
2274 if (QLIST_EMPTY(&mon_fdset->dup_fds)) {
2275 monitor_fdset_cleanup(mon_fdset);
2276 }
b3dd1b8c
MT		 2277 return -1;
2278 } else {
2279 return mon_fdset->id;
adb696f3 2280 }
adb696f3
CB		 2281 }
2282 }
2283 }
2284 return -1;
2285}
2286
2287int monitor_fdset_dup_fd_find(int dup_fd)
2288{
2289 return monitor_fdset_dup_fd_find_remove(dup_fd, false);
2290}
2291
b3dd1b8c 2292void monitor_fdset_dup_fd_remove(int dup_fd)
adb696f3 2293{
b3dd1b8c 2294 monitor_fdset_dup_fd_find_remove(dup_fd, true);
adb696f3
CB		 2295}
2296
1677f4c6 2297int monitor_fd_param(Monitor *mon, const char *fdname, Error **errp)
5906366e
LE		 2298{
2299 int fd;
2300 Error *local_err = NULL;
a96ed02f 2301
5906366e 2302 if (!qemu_isdigit(fdname[0]) && mon) {
a9940fc4 2303 fd = monitor_get_fd(mon, fdname, &local_err);
5906366e
LE		 2304 } else {
2305 fd = qemu_parse_fd(fdname);
a96ed02f 2306 if (fd == -1) {
5906366e
LE		 2307 error_setg(&local_err, "Invalid file descriptor number '%s'",
2308 fdname);
a96ed02f 2309 }
5906366e
LE		 2310 }
2311 if (local_err) {
2312 error_propagate(errp, local_err);
2313 assert(fd == -1);
a96ed02f 2314 } else {
5906366e 2315 assert(fd != -1);
a96ed02f
NB		 2316 }
2317
2318 return fd;
2319}
2320
acd0a093 2321/* Please update hmp-commands.hx when adding or changing commands */
816f8925 2322static mon_cmd_t info_cmds[] = {
da76ee76
PB		 2323#include "hmp-commands-info.h"
2324 { NULL, NULL, },
9dc39cba
FB		 2325};
2326
a13ced59
WX		 2327/* mon_cmds and info_cmds would be sorted at runtime */
2328static mon_cmd_t mon_cmds[] = {
2329#include "hmp-commands.h"
2330 { NULL, NULL, },
2331};
2332
9307c4c1
FB		 2333/*******************************************************************/
2334
2335static const char *pch;
6ab7e546 2336static sigjmp_buf expr_env;
9307c4c1 2337
9307c4c1 2338
9c3175cc
SW		 2339static void GCC_FMT_ATTR(2, 3) QEMU_NORETURN
2340expr_error(Monitor *mon, const char *fmt, ...)
9dc39cba 2341{
277acfe8
FZ		 2342 va_list ap;
2343 va_start(ap, fmt);
2344 monitor_vprintf(mon, fmt, ap);
2345 monitor_printf(mon, "\n");
2346 va_end(ap);
6ab7e546 2347 siglongjmp(expr_env, 1);
9307c4c1
FB		 2348}
2349
09b9418c 2350/* return 0 if OK, -1 if not found */
92a31b1f 2351static int get_monitor_def(target_long *pval, const char *name)
9307c4c1 2352{
bf957284 2353 const MonitorDef *md = target_monitor_defs();
854e67fe 2354 CPUState *cs = mon_get_cpu();
92a31b1f 2355 void *ptr;
0a9516c2
AK		 2356 uint64_t tmp = 0;
2357 int ret;
92a31b1f 2358
854e67fe 2359 if (cs == NULL || md == NULL) {
bf957284
PB		 2360 return -1;
2361 }
2362
2363 for(; md->name != NULL; md++) {
9307c4c1
FB		 2364 if (compare_cmd(name, md->name)) {
2365 if (md->get_value) {
e95c8d51 2366 *pval = md->get_value(md, md->offset);
9307c4c1 2367 } else {
5bcda5f7 2368 CPUArchState *env = mon_get_cpu_env();
6a00d601 2369 ptr = (uint8_t *)env + md->offset;
92a31b1f
FB		 2370 switch(md->type) {
2371 case MD_I32:
2372 *pval = *(int32_t *)ptr;
2373 break;
2374 case MD_TLONG:
2375 *pval = *(target_long *)ptr;
2376 break;
2377 default:
2378 *pval = 0;
2379 break;
2380 }
9307c4c1
FB		 2381 }
2382 return 0;
2383 }
2384 }
0a9516c2 2385
854e67fe 2386 ret = target_get_monitor_def(cs, name, &tmp);
0a9516c2
AK		 2387 if (!ret) {
2388 *pval = (target_long) tmp;
2389 }
2390
2391 return ret;
9307c4c1
FB		 2392}
2393
2394static void next(void)
2395{
660f11be 2396 if (*pch != '\0') {
9307c4c1 2397 pch++;
cd390083 2398 while (qemu_isspace(*pch))
9307c4c1
FB		 2399 pch++;
2400 }
2401}
2402
376253ec 2403static int64_t expr_sum(Monitor *mon);
9307c4c1 2404
376253ec 2405static int64_t expr_unary(Monitor *mon)
9307c4c1 2406{
c2efc95d 2407 int64_t n;
9307c4c1 2408 char *p;
6a00d601 2409 int ret;
9307c4c1
FB		 2410
2411 switch(*pch) {
2412 case '+':
2413 next();
376253ec 2414 n = expr_unary(mon);
9307c4c1
FB		 2415 break;
2416 case '-':
2417 next();
376253ec 2418 n = -expr_unary(mon);
9307c4c1
FB		 2419 break;
2420 case '~':
2421 next();
376253ec 2422 n = ~expr_unary(mon);
9307c4c1
FB		 2423 break;
2424 case '(':
2425 next();
376253ec 2426 n = expr_sum(mon);
9307c4c1 2427 if (*pch != ')') {
376253ec 2428 expr_error(mon, "')' expected");
9307c4c1
FB		 2429 }
2430 next();
2431 break;
81d0912d
FB		 2432 case '\'':
2433 pch++;
2434 if (*pch == '\0')
376253ec 2435 expr_error(mon, "character constant expected");
81d0912d
FB		 2436 n = *pch;
2437 pch++;
2438 if (*pch != '\'')
376253ec 2439 expr_error(mon, "missing terminating \' character");
81d0912d
FB		 2440 next();
2441 break;
9307c4c1
FB		 2442 case '$':
2443 {
2444 char buf[128], *q;
69b34976 2445 target_long reg=0;
3b46e624 2446
9307c4c1
FB		 2447 pch++;
2448 q = buf;
2449 while ((*pch >= 'a' && *pch <= 'z') ||
2450 (*pch >= 'A' && *pch <= 'Z') ||
2451 (*pch >= '0' && *pch <= '9') ||
57206fd4 2452 *pch == '_' || *pch == '.') {
9307c4c1
FB		 2453 if ((q - buf) < sizeof(buf) - 1)
2454 *q++ = *pch;
2455 pch++;
2456 }
cd390083 2457 while (qemu_isspace(*pch))
9307c4c1
FB		 2458 pch++;
2459 *q = 0;
7743e588 2460 ret = get_monitor_def(&reg, buf);
09b9418c 2461 if (ret < 0)
376253ec 2462 expr_error(mon, "unknown register");
7743e588 2463 n = reg;
9307c4c1
FB		 2464 }
2465 break;
2466 case '\0':
376253ec 2467 expr_error(mon, "unexpected end of expression");
9307c4c1
FB		 2468 n = 0;
2469 break;
2470 default:
6b0e33be 2471 errno = 0;
4f4fbf77 2472 n = strtoull(pch, &p, 0);
6b0e33be
LC		 2473 if (errno == ERANGE) {
2474 expr_error(mon, "number too large");
2475 }
9307c4c1 2476 if (pch == p) {
277acfe8 2477 expr_error(mon, "invalid char '%c' in expression", *p);
9307c4c1
FB		 2478 }
2479 pch = p;
cd390083 2480 while (qemu_isspace(*pch))
9307c4c1
FB		 2481 pch++;
2482 break;
2483 }
2484 return n;
2485}
2486
2487
376253ec 2488static int64_t expr_prod(Monitor *mon)
9307c4c1 2489{
c2efc95d 2490 int64_t val, val2;
92a31b1f 2491 int op;
3b46e624 2492
376253ec 2493 val = expr_unary(mon);
9307c4c1
FB		 2494 for(;;) {
2495 op = *pch;
2496 if (op != '*' && op != '/' && op != '%')
2497 break;
2498 next();
376253ec 2499 val2 = expr_unary(mon);
9307c4c1
FB		 2500 switch(op) {
2501 default:
2502 case '*':
2503 val *= val2;
2504 break;
2505 case '/':
2506 case '%':
5fafdf24 2507 if (val2 == 0)
376253ec 2508 expr_error(mon, "division by zero");
9307c4c1
FB		 2509 if (op == '/')
2510 val /= val2;
2511 else
2512 val %= val2;
2513 break;
2514 }
2515 }
2516 return val;
2517}
2518
376253ec 2519static int64_t expr_logic(Monitor *mon)
9307c4c1 2520{
c2efc95d 2521 int64_t val, val2;
92a31b1f 2522 int op;
9307c4c1 2523
376253ec 2524 val = expr_prod(mon);
9307c4c1
FB		 2525 for(;;) {
2526 op = *pch;
2527 if (op != '&' && op != '|' && op != '^')
2528 break;
2529 next();
376253ec 2530 val2 = expr_prod(mon);
9307c4c1
FB		 2531 switch(op) {
2532 default:
2533 case '&':
2534 val &= val2;
2535 break;
2536 case '|':
2537 val |= val2;
2538 break;
2539 case '^':
2540 val ^= val2;
2541 break;
2542 }
2543 }
2544 return val;
2545}
2546
376253ec 2547static int64_t expr_sum(Monitor *mon)
9307c4c1 2548{
c2efc95d 2549 int64_t val, val2;
92a31b1f 2550 int op;
9307c4c1 2551
376253ec 2552 val = expr_logic(mon);
9307c4c1
FB		 2553 for(;;) {
2554 op = *pch;
2555 if (op != '+' && op != '-')
2556 break;
2557 next();
376253ec 2558 val2 = expr_logic(mon);
9307c4c1
FB		 2559 if (op == '+')
2560 val += val2;
2561 else
2562 val -= val2;
2563 }
2564 return val;
2565}
2566
376253ec 2567static int get_expr(Monitor *mon, int64_t *pval, const char **pp)
9307c4c1
FB		 2568{
2569 pch = *pp;
6ab7e546 2570 if (sigsetjmp(expr_env, 0)) {
9307c4c1
FB		 2571 *pp = pch;
2572 return -1;
2573 }
cd390083 2574 while (qemu_isspace(*pch))
9307c4c1 2575 pch++;
376253ec 2576 *pval = expr_sum(mon);
9307c4c1
FB		 2577 *pp = pch;
2578 return 0;
2579}
2580
3350a4dd
MA		 2581static int get_double(Monitor *mon, double *pval, const char **pp)
2582{
2583 const char *p = *pp;
2584 char *tailp;
2585 double d;
2586
2587 d = strtod(p, &tailp);
2588 if (tailp == p) {
2589 monitor_printf(mon, "Number expected\n");
2590 return -1;
2591 }
2592 if (d != d || d - d != 0) {
2593 /* NaN or infinity */
2594 monitor_printf(mon, "Bad number\n");
2595 return -1;
2596 }
2597 *pval = d;
2598 *pp = tailp;
2599 return 0;
2600}
2601
4590fd80
LC		 2602/*
2603 * Store the command-name in cmdname, and return a pointer to
2604 * the remaining of the command string.
2605 */
2606static const char *get_command_name(const char *cmdline,
2607 char *cmdname, size_t nlen)
2608{
2609 size_t len;
2610 const char *p, *pstart;
2611
2612 p = cmdline;
2613 while (qemu_isspace(*p))
2614 p++;
2615 if (*p == '\0')
2616 return NULL;
2617 pstart = p;
2618 while (*p != '\0' && *p != '/' && !qemu_isspace(*p))
2619 p++;
2620 len = p - pstart;
2621 if (len > nlen - 1)
2622 len = nlen - 1;
2623 memcpy(cmdname, pstart, len);
2624 cmdname[len] = '\0';
2625 return p;
2626}
2627
4d76d2ba
LC		 2628/**
2629 * Read key of 'type' into 'key' and return the current
2630 * 'type' pointer.
2631 */
2632static char *key_get_info(const char *type, char **key)
2633{
2634 size_t len;
2635 char *p, *str;
2636
2637 if (*type == ',')
2638 type++;
2639
2640 p = strchr(type, ':');
2641 if (!p) {
2642 *key = NULL;
2643 return NULL;
2644 }
2645 len = p - type;
2646
7267c094 2647 str = g_malloc(len + 1);
4d76d2ba
LC		 2648 memcpy(str, type, len);
2649 str[len] = '\0';
2650
2651 *key = str;
2652 return ++p;
2653}
2654
9307c4c1
FB		 2655static int default_fmt_format = 'x';
2656static int default_fmt_size = 4;
2657
fbc3d96c
LS		 2658static int is_valid_option(const char *c, const char *typestr)
2659{
2660 char option[3];
2661
2662 option[0] = '-';
2663 option[1] = *c;
2664 option[2] = '\0';
2665
2666 typestr = strstr(typestr, option);
2667 return (typestr != NULL);
2668}
2669
945c5ac8
LC		 2670static const mon_cmd_t *search_dispatch_table(const mon_cmd_t *disp_table,
2671 const char *cmdname)
7fd669a1
LC		 2672{
2673 const mon_cmd_t *cmd;
2674
945c5ac8 2675 for (cmd = disp_table; cmd->name != NULL; cmd++) {
7fd669a1
LC		 2676 if (compare_cmd(cmdname, cmd->name)) {
2677 return cmd;
2678 }
2679 }
2680
2681 return NULL;
2682}
2683
5f3d335f 2684/*
ae50212f
BD		 2685 * Parse command name from @cmdp according to command table @table.
2686 * If blank, return NULL.
2687 * Else, if no valid command can be found, report to @mon, and return
2688 * NULL.
2689 * Else, change @cmdp to point right behind the name, and return its
2690 * command table entry.
2691 * Do not assume the return value points into @table! It doesn't when
2692 * the command is found in a sub-command table.
5f3d335f 2693 */
c227f099 2694static const mon_cmd_t *monitor_parse_command(Monitor *mon,
250b8197 2695 const char *cmdp_start,
ae50212f
BD		 2696 const char **cmdp,
2697 mon_cmd_t *table)
9307c4c1 2698{
ae50212f 2699 const char *p;
c227f099 2700 const mon_cmd_t *cmd;
9307c4c1 2701 char cmdname[256];
9dc39cba 2702
9307c4c1 2703 /* extract the command name */
ae50212f 2704 p = get_command_name(*cmdp, cmdname, sizeof(cmdname));
4590fd80 2705 if (!p)
55f81d96 2706 return NULL;
3b46e624 2707
5f3d335f 2708 cmd = search_dispatch_table(table, cmdname);
7fd669a1 2709 if (!cmd) {
5f3d335f 2710 monitor_printf(mon, "unknown command: '%.*s'\n",
250b8197 2711 (int)(p - cmdp_start), cmdp_start);
55f81d96 2712 return NULL;
9307c4c1 2713 }
9307c4c1 2714
5f3d335f
WX		 2715 /* filter out following useless space */
2716 while (qemu_isspace(*p)) {
2717 p++;
2718 }
ae50212f
BD		 2719
2720 *cmdp = p;
5f3d335f 2721 /* search sub command */
ae50212f 2722 if (cmd->sub_table != NULL && *p != '\0') {
250b8197 2723 return monitor_parse_command(mon, cmdp_start, cmdp, cmd->sub_table);
5f3d335f
WX		 2724 }
2725
ae50212f
BD		 2726 return cmd;
2727}
2728
2729/*
2730 * Parse arguments for @cmd.
2731 * If it can't be parsed, report to @mon, and return NULL.
2732 * Else, insert command arguments into a QDict, and return it.
2733 * Note: On success, caller has to free the QDict structure.
2734 */
2735
2736static QDict *monitor_parse_arguments(Monitor *mon,
2737 const char **endp,
2738 const mon_cmd_t *cmd)
2739{
2740 const char *typestr;
2741 char *key;
2742 int c;
2743 const char *p = *endp;
2744 char buf[1024];
2745 QDict *qdict = qdict_new();
2746
9307c4c1
FB		 2747 /* parse the parameters */
2748 typestr = cmd->args_type;
9dc39cba 2749 for(;;) {
4d76d2ba
LC		 2750 typestr = key_get_info(typestr, &key);
2751 if (!typestr)
9dc39cba 2752 break;
4d76d2ba 2753 c = *typestr;
9307c4c1
FB		 2754 typestr++;
2755 switch(c) {
2756 case 'F':
81d0912d 2757 case 'B':
9307c4c1
FB		 2758 case 's':
2759 {
2760 int ret;
3b46e624 2761
cd390083 2762 while (qemu_isspace(*p))
9307c4c1
FB		 2763 p++;
2764 if (*typestr == '?') {
2765 typestr++;
2766 if (*p == '\0') {
2767 /* no optional string: NULL argument */
53773581 2768 break;
9307c4c1
FB		 2769 }
2770 }
2771 ret = get_str(buf, sizeof(buf), &p);
2772 if (ret < 0) {
81d0912d
FB		 2773 switch(c) {
2774 case 'F':
376253ec 2775 monitor_printf(mon, "%s: filename expected\n",
ae50212f 2776 cmd->name);
81d0912d
FB		 2777 break;
2778 case 'B':
376253ec 2779 monitor_printf(mon, "%s: block device name expected\n",
ae50212f 2780 cmd->name);
81d0912d
FB		 2781 break;
2782 default:
ae50212f 2783 monitor_printf(mon, "%s: string expected\n", cmd->name);
81d0912d
FB		 2784 break;
2785 }
9307c4c1
FB		 2786 goto fail;
2787 }
46f5ac20 2788 qdict_put_str(qdict, key, buf);
9307c4c1 2789 }
9dc39cba 2790 break;
361127df
MA		 2791 case 'O':
2792 {
2793 QemuOptsList *opts_list;
2794 QemuOpts *opts;
2795
2796 opts_list = qemu_find_opts(key);
2797 if (!opts_list || opts_list->desc->name) {
2798 goto bad_type;
2799 }
2800 while (qemu_isspace(*p)) {
2801 p++;
2802 }
2803 if (!*p)
2804 break;
2805 if (get_str(buf, sizeof(buf), &p) < 0) {
2806 goto fail;
2807 }
70b94331 2808 opts = qemu_opts_parse_noisily(opts_list, buf, true);
361127df
MA		 2809 if (!opts) {
2810 goto fail;
2811 }
2812 qemu_opts_to_qdict(opts, qdict);
2813 qemu_opts_del(opts);
2814 }
2815 break;
9307c4c1
FB		 2816 case '/':
2817 {
2818 int count, format, size;
3b46e624 2819
cd390083 2820 while (qemu_isspace(*p))
9307c4c1
FB		 2821 p++;
2822 if (*p == '/') {
2823 /* format found */
2824 p++;
2825 count = 1;
cd390083 2826 if (qemu_isdigit(*p)) {
9307c4c1 2827 count = 0;
cd390083 2828 while (qemu_isdigit(*p)) {
9307c4c1
FB		 2829 count = count * 10 + (*p - '0');
2830 p++;
2831 }
2832 }
2833 size = -1;
2834 format = -1;
2835 for(;;) {
2836 switch(*p) {
2837 case 'o':
2838 case 'd':
2839 case 'u':
2840 case 'x':
2841 case 'i':
2842 case 'c':
2843 format = *p++;
2844 break;
2845 case 'b':
2846 size = 1;
2847 p++;
2848 break;
2849 case 'h':
2850 size = 2;
2851 p++;
2852 break;
2853 case 'w':
2854 size = 4;
2855 p++;
2856 break;
2857 case 'g':
2858 case 'L':
2859 size = 8;
2860 p++;
2861 break;
2862 default:
2863 goto next;
2864 }
2865 }
2866 next:
cd390083 2867 if (*p != '\0' && !qemu_isspace(*p)) {
376253ec
AL		 2868 monitor_printf(mon, "invalid char in format: '%c'\n",
2869 *p);
9307c4c1
FB		 2870 goto fail;
2871 }
9307c4c1
FB		 2872 if (format < 0)
2873 format = default_fmt_format;
4c27ba27
FB		 2874 if (format != 'i') {
2875 /* for 'i', not specifying a size gives -1 as size */
2876 if (size < 0)
2877 size = default_fmt_size;
e90f009b 2878 default_fmt_size = size;
4c27ba27 2879 }
9307c4c1
FB		 2880 default_fmt_format = format;
2881 } else {
2882 count = 1;
2883 format = default_fmt_format;
4c27ba27
FB		 2884 if (format != 'i') {
2885 size = default_fmt_size;
2886 } else {
2887 size = -1;
2888 }
9307c4c1 2889 }
46f5ac20
EB		 2890 qdict_put_int(qdict, "count", count);
2891 qdict_put_int(qdict, "format", format);
2892 qdict_put_int(qdict, "size", size);
9307c4c1 2893 }
9dc39cba 2894 break;
9307c4c1 2895 case 'i':
92a31b1f 2896 case 'l':
b6e098d7 2897 case 'M':
9307c4c1 2898 {
c2efc95d 2899 int64_t val;
7743e588 2900
cd390083 2901 while (qemu_isspace(*p))
9307c4c1 2902 p++;
3440557b 2903 if (*typestr == '?' || *typestr == '.') {
3440557b 2904 if (*typestr == '?') {
53773581
LC		 2905 if (*p == '\0') {
2906 typestr++;
2907 break;
2908 }
3440557b
FB		 2909 } else {
2910 if (*p == '.') {
2911 p++;
cd390083 2912 while (qemu_isspace(*p))
3440557b 2913 p++;
3440557b 2914 } else {
53773581
LC		 2915 typestr++;
2916 break;
3440557b
FB		 2917 }
2918 }
13224a87 2919 typestr++;
9307c4c1 2920 }
376253ec 2921 if (get_expr(mon, &val, &p))
9307c4c1 2922 goto fail;
675ebef9
LC		 2923 /* Check if 'i' is greater than 32-bit */
2924 if ((c == 'i') && ((val >> 32) & 0xffffffff)) {
ae50212f 2925 monitor_printf(mon, "\'%s\' has failed: ", cmd->name);
675ebef9
LC		 2926 monitor_printf(mon, "integer is for 32-bit values\n");
2927 goto fail;
b6e098d7 2928 } else if (c == 'M') {
91162849
LC		 2929 if (val < 0) {
2930 monitor_printf(mon, "enter a positive value\n");
2931 goto fail;
2932 }
b6e098d7 2933 val <<= 20;
675ebef9 2934 }
46f5ac20 2935 qdict_put_int(qdict, key, val);
9307c4c1
FB		 2936 }
2937 break;
dbc0c67f
JS		 2938 case 'o':
2939 {
f17fd4fd 2940 int ret;
f46bfdbf 2941 uint64_t val;
dbc0c67f
JS		 2942 char *end;
2943
2944 while (qemu_isspace(*p)) {
2945 p++;
2946 }
2947 if (*typestr == '?') {
2948 typestr++;
2949 if (*p == '\0') {
2950 break;
2951 }
2952 }
f17fd4fd 2953 ret = qemu_strtosz_MiB(p, &end, &val);
f46bfdbf 2954 if (ret < 0 || val > INT64_MAX) {
dbc0c67f
JS		 2955 monitor_printf(mon, "invalid size\n");
2956 goto fail;
2957 }
46f5ac20 2958 qdict_put_int(qdict, key, val);
dbc0c67f
JS		 2959 p = end;
2960 }
2961 break;
fccfb11e 2962 case 'T':
3350a4dd
MA		 2963 {
2964 double val;
2965
2966 while (qemu_isspace(*p))
2967 p++;
2968 if (*typestr == '?') {
2969 typestr++;
2970 if (*p == '\0') {
2971 break;
2972 }
2973 }
2974 if (get_double(mon, &val, &p) < 0) {
2975 goto fail;
2976 }
07de3e60 2977 if (p[0] && p[1] == 's') {
fccfb11e
MA		 2978 switch (*p) {
2979 case 'm':
2980 val /= 1e3; p += 2; break;
2981 case 'u':
2982 val /= 1e6; p += 2; break;
2983 case 'n':
2984 val /= 1e9; p += 2; break;
2985 }
2986 }
3350a4dd
MA		 2987 if (*p && !qemu_isspace(*p)) {
2988 monitor_printf(mon, "Unknown unit suffix\n");
2989 goto fail;
2990 }
01b2ffce 2991 qdict_put(qdict, key, qnum_from_double(val));
3350a4dd
MA		 2992 }
2993 break;
942cd1f2
MA		 2994 case 'b':
2995 {
2996 const char *beg;
fc48ffc3 2997 bool val;
942cd1f2
MA		 2998
2999 while (qemu_isspace(*p)) {
3000 p++;
3001 }
3002 beg = p;
3003 while (qemu_isgraph(*p)) {
3004 p++;
3005 }
3006 if (p - beg == 2 && !memcmp(beg, "on", p - beg)) {
fc48ffc3 3007 val = true;
942cd1f2 3008 } else if (p - beg == 3 && !memcmp(beg, "off", p - beg)) {
fc48ffc3 3009 val = false;
942cd1f2
MA		 3010 } else {
3011 monitor_printf(mon, "Expected 'on' or 'off'\n");
3012 goto fail;
3013 }
46f5ac20 3014 qdict_put_bool(qdict, key, val);
942cd1f2
MA		 3015 }
3016 break;
9307c4c1
FB		 3017 case '-':
3018 {
fbc3d96c 3019 const char *tmp = p;
eb159d13 3020 int skip_key = 0;
9307c4c1 3021 /* option */
3b46e624 3022
9307c4c1
FB		 3023 c = *typestr++;
3024 if (c == '\0')
3025 goto bad_type;
cd390083 3026 while (qemu_isspace(*p))
9307c4c1 3027 p++;
9307c4c1
FB		 3028 if (*p == '-') {
3029 p++;
fbc3d96c
LS		 3030 if(c != *p) {
3031 if(!is_valid_option(p, typestr)) {
3032
3033 monitor_printf(mon, "%s: unsupported option -%c\n",
ae50212f 3034 cmd->name, *p);
fbc3d96c
LS		 3035 goto fail;
3036 } else {
3037 skip_key = 1;
3038 }
3039 }
3040 if(skip_key) {
3041 p = tmp;
3042 } else {
eb159d13 3043 /* has option */
fbc3d96c 3044 p++;
46f5ac20 3045 qdict_put_bool(qdict, key, true);
9307c4c1 3046 }
9307c4c1 3047 }
9307c4c1
FB		 3048 }
3049 break;
129be006
WX		 3050 case 'S':
3051 {
3052 /* package all remaining string */
3053 int len;
3054
3055 while (qemu_isspace(*p)) {
3056 p++;
3057 }
3058 if (*typestr == '?') {
3059 typestr++;
3060 if (*p == '\0') {
3061 /* no remaining string: NULL argument */
3062 break;
3063 }
3064 }
3065 len = strlen(p);
3066 if (len <= 0) {
3067 monitor_printf(mon, "%s: string expected\n",
ae50212f 3068 cmd->name);
e549d2aa 3069 goto fail;
129be006 3070 }
46f5ac20 3071 qdict_put_str(qdict, key, p);
129be006
WX		 3072 p += len;
3073 }
3074 break;
9307c4c1
FB		 3075 default:
3076 bad_type:
ae50212f 3077 monitor_printf(mon, "%s: unknown type '%c'\n", cmd->name, c);
9307c4c1
FB		 3078 goto fail;
3079 }
7267c094 3080 g_free(key);
4d76d2ba 3081 key = NULL;
9dc39cba 3082 }
9307c4c1 3083 /* check that all arguments were parsed */
cd390083 3084 while (qemu_isspace(*p))
9307c4c1
FB		 3085 p++;
3086 if (*p != '\0') {
376253ec 3087 monitor_printf(mon, "%s: extraneous characters at the end of line\n",
ae50212f 3088 cmd->name);
9307c4c1 3089 goto fail;
9dc39cba 3090 }
9307c4c1 3091
ae50212f 3092 return qdict;
ac7531ec 3093
55f81d96 3094fail:
ae50212f 3095 QDECREF(qdict);
7267c094 3096 g_free(key);
55f81d96
LC		 3097 return NULL;
3098}
3099
7ef6cf63 3100static void handle_hmp_command(Monitor *mon, const char *cmdline)
55f81d96 3101{
55f81d96 3102 QDict *qdict;
c227f099 3103 const mon_cmd_t *cmd;
55f81d96 3104
79cad8b4
SH		 3105 trace_handle_hmp_command(mon, cmdline);
3106
250b8197 3107 cmd = monitor_parse_command(mon, cmdline, &cmdline, mon->cmd_table);
ae50212f
BD		 3108 if (!cmd) {
3109 return;
3110 }
55f81d96 3111
ae50212f
BD		 3112 qdict = monitor_parse_arguments(mon, &cmdline, cmd);
3113 if (!qdict) {
dd41eea7
BD		 3114 monitor_printf(mon, "Try \"help %s\" for more information\n",
3115 cmd->name);
ae50212f 3116 return;
55f81d96
LC		 3117 }
3118
2b9e3576 3119 cmd->cmd(mon, qdict);
f7188bbe 3120 QDECREF(qdict);
9dc39cba
FB		 3121}
3122
cd5c6bba 3123static void cmd_completion(Monitor *mon, const char *name, const char *list)
81d0912d
FB		 3124{
3125 const char *p, *pstart;
3126 char cmd[128];
3127 int len;
3128
3129 p = list;
3130 for(;;) {
3131 pstart = p;
3132 p = strchr(p, '|');
3133 if (!p)
3134 p = pstart + strlen(pstart);
3135 len = p - pstart;
3136 if (len > sizeof(cmd) - 2)
3137 len = sizeof(cmd) - 2;
3138 memcpy(cmd, pstart, len);
3139 cmd[len] = '\0';
3140 if (name[0] == '\0' || !strncmp(name, cmd, strlen(name))) {
cd5c6bba 3141 readline_add_completion(mon->rs, cmd);
81d0912d
FB		 3142 }
3143 if (*p == '\0')
3144 break;
3145 p++;
3146 }
3147}
3148
cb8f68b1 3149static void file_completion(Monitor *mon, const char *input)
81d0912d
FB		 3150{
3151 DIR *ffs;
3152 struct dirent *d;
3153 char path[1024];
3154 char file[1024], file_prefix[1024];
3155 int input_path_len;
3156 const char *p;
3157
5fafdf24 3158 p = strrchr(input, '/');
81d0912d
FB		 3159 if (!p) {
3160 input_path_len = 0;
3161 pstrcpy(file_prefix, sizeof(file_prefix), input);
363a37d5 3162 pstrcpy(path, sizeof(path), ".");
81d0912d
FB		 3163 } else {
3164 input_path_len = p - input + 1;
3165 memcpy(path, input, input_path_len);
3166 if (input_path_len > sizeof(path) - 1)
3167 input_path_len = sizeof(path) - 1;
3168 path[input_path_len] = '\0';
3169 pstrcpy(file_prefix, sizeof(file_prefix), p + 1);
3170 }
19f2db5c 3171
81d0912d
FB		 3172 ffs = opendir(path);
3173 if (!ffs)
3174 return;
3175 for(;;) {
3176 struct stat sb;
3177 d = readdir(ffs);
3178 if (!d)
3179 break;
46c7fc18
KK		 3180
3181 if (strcmp(d->d_name, ".") == 0 || strcmp(d->d_name, "..") == 0) {
3182 continue;
3183 }
3184
81d0912d
FB		 3185 if (strstart(d->d_name, file_prefix, NULL)) {
3186 memcpy(file, input, input_path_len);
363a37d5
BS		 3187 if (input_path_len < sizeof(file))
3188 pstrcpy(file + input_path_len, sizeof(file) - input_path_len,
3189 d->d_name);
81d0912d
FB		 3190 /* stat the file to find out if it's a directory.
3191 * In that case add a slash to speed up typing long paths
3192 */
c951d9a6 3193 if (stat(file, &sb) == 0 && S_ISDIR(sb.st_mode)) {
363a37d5 3194 pstrcat(file, sizeof(file), "/");
c951d9a6 3195 }
cb8f68b1 3196 readline_add_completion(mon->rs, file);
81d0912d
FB		 3197 }
3198 }
3199 closedir(ffs);
3200}
3201
4d76d2ba
LC		 3202static const char *next_arg_type(const char *typestr)
3203{
3204 const char *p = strchr(typestr, ':');
3205 return (p != NULL ? ++p : typestr);
3206}
3207
40d19394
HB		 3208static void add_completion_option(ReadLineState *rs, const char *str,
3209 const char *option)
3210{
3211 if (!str || !option) {
3212 return;
3213 }
3214 if (!strncmp(option, str, strlen(str))) {
3215 readline_add_completion(rs, option);
3216 }
3217}
3218
13e315da
HB		 3219void chardev_add_completion(ReadLineState *rs, int nb_args, const char *str)
3220{
3221 size_t len;
3222 ChardevBackendInfoList *list, *start;
3223
3224 if (nb_args != 2) {
3225 return;
3226 }
3227 len = strlen(str);
3228 readline_set_completion_index(rs, len);
3229
3230 start = list = qmp_query_chardev_backends(NULL);
3231 while (list) {
3232 const char *chr_name = list->value->name;
3233
3234 if (!strncmp(chr_name, str, len)) {
3235 readline_add_completion(rs, chr_name);
3236 }
3237 list = list->next;
3238 }
3239 qapi_free_ChardevBackendInfoList(start);
3240}
3241
b162b49a
HB		 3242void netdev_add_completion(ReadLineState *rs, int nb_args, const char *str)
3243{
3244 size_t len;
3245 int i;
3246
3247 if (nb_args != 2) {
3248 return;
3249 }
3250 len = strlen(str);
3251 readline_set_completion_index(rs, len);
1c236ba5 3252 for (i = 0; i < NET_CLIENT_DRIVER__MAX; i++) {
977c736f 3253 add_completion_option(rs, str, NetClientDriver_str(i));
b162b49a
HB		 3254 }
3255}
3256
2da1b3ab 3257void device_add_completion(ReadLineState *rs, int nb_args, const char *str)
992d3e64
HB		 3258{
3259 GSList *list, *elt;
3260 size_t len;
3261
2da1b3ab
HB		 3262 if (nb_args != 2) {
3263 return;
3264 }
3265
992d3e64
HB		 3266 len = strlen(str);
3267 readline_set_completion_index(rs, len);
3268 list = elt = object_class_get_list(TYPE_DEVICE, false);
3269 while (elt) {
3270 const char *name;
3271 DeviceClass *dc = OBJECT_CLASS_CHECK(DeviceClass, elt->data,
3272 TYPE_DEVICE);
3273 name = object_class_get_name(OBJECT_CLASS(dc));
2da1b3ab 3274
e90f2a8c 3275 if (dc->user_creatable
2da1b3ab 3276 && !strncmp(name, str, len)) {
992d3e64
HB		 3277 readline_add_completion(rs, name);
3278 }
3279 elt = elt->next;
3280 }
3281 g_slist_free(list);
3282}
3283
bfa40f77 3284void object_add_completion(ReadLineState *rs, int nb_args, const char *str)
1094fd3a
HB		 3285{
3286 GSList *list, *elt;
3287 size_t len;
3288
bfa40f77
HB		 3289 if (nb_args != 2) {
3290 return;
3291 }
3292
1094fd3a
HB		 3293 len = strlen(str);
3294 readline_set_completion_index(rs, len);
3295 list = elt = object_class_get_list(TYPE_USER_CREATABLE, false);
3296 while (elt) {
3297 const char *name;
3298
3299 name = object_class_get_name(OBJECT_CLASS(elt->data));
3300 if (!strncmp(name, str, len) && strcmp(name, TYPE_USER_CREATABLE)) {
3301 readline_add_completion(rs, name);
3302 }
3303 elt = elt->next;
3304 }
3305 g_slist_free(list);
3306}
3307
6a1fa9f5
ZG		 3308static void peripheral_device_del_completion(ReadLineState *rs,
3309 const char *str, size_t len)
3310{
4cae4d5a
MA		 3311 Object *peripheral = container_get(qdev_get_machine(), "/peripheral");
3312 GSList *list, *item;
6a1fa9f5 3313
4cae4d5a
MA		 3314 list = qdev_build_hotpluggable_device_list(peripheral);
3315 if (!list) {
6a1fa9f5
ZG		 3316 return;
3317 }
3318
6a1fa9f5
ZG		 3319 for (item = list; item; item = g_slist_next(item)) {
3320 DeviceState *dev = item->data;
3321
3322 if (dev->id && !strncmp(str, dev->id, len)) {
3323 readline_add_completion(rs, dev->id);
3324 }
3325 }
3326
3327 g_slist_free(list);
3328}
3329
6297d9a2
HB		 3330void chardev_remove_completion(ReadLineState *rs, int nb_args, const char *str)
3331{
3332 size_t len;
3333 ChardevInfoList *list, *start;
3334
3335 if (nb_args != 2) {
3336 return;
3337 }
3338 len = strlen(str);
3339 readline_set_completion_index(rs, len);
3340
3341 start = list = qmp_query_chardev(NULL);
3342 while (list) {
3343 ChardevInfo *chr = list->value;
3344
3345 if (!strncmp(chr->label, str, len)) {
3346 readline_add_completion(rs, chr->label);
3347 }
3348 list = list->next;
3349 }
3350 qapi_free_ChardevInfoList(start);
3351}
3352
8e597779
HB		 3353static void ringbuf_completion(ReadLineState *rs, const char *str)
3354{
3355 size_t len;
3356 ChardevInfoList *list, *start;
3357
3358 len = strlen(str);
3359 readline_set_completion_index(rs, len);
3360
3361 start = list = qmp_query_chardev(NULL);
3362 while (list) {
3363 ChardevInfo *chr_info = list->value;
3364
3365 if (!strncmp(chr_info->label, str, len)) {
0ec7b3e7 3366 Chardev *chr = qemu_chr_find(chr_info->label);
777357d7 3367 if (chr && CHARDEV_IS_RINGBUF(chr)) {
8e597779
HB		 3368 readline_add_completion(rs, chr_info->label);
3369 }
3370 }
3371 list = list->next;
3372 }
3373 qapi_free_ChardevInfoList(start);
3374}
3375
8e597779
HB		 3376void ringbuf_write_completion(ReadLineState *rs, int nb_args, const char *str)
3377{
3378 if (nb_args != 2) {
3379 return;
3380 }
3381 ringbuf_completion(rs, str);
3382}
3383
2da1b3ab
HB		 3384void device_del_completion(ReadLineState *rs, int nb_args, const char *str)
3385{
3386 size_t len;
3387
3388 if (nb_args != 2) {
3389 return;
3390 }
3391
3392 len = strlen(str);
3393 readline_set_completion_index(rs, len);
6a1fa9f5 3394 peripheral_device_del_completion(rs, str, len);
2da1b3ab
HB		 3395}
3396
bfa40f77 3397void object_del_completion(ReadLineState *rs, int nb_args, const char *str)
b48fa074
HB		 3398{
3399 ObjectPropertyInfoList *list, *start;
3400 size_t len;
3401
bfa40f77
HB		 3402 if (nb_args != 2) {
3403 return;
3404 }
b48fa074
HB		 3405 len = strlen(str);
3406 readline_set_completion_index(rs, len);
3407
3408 start = list = qmp_qom_list("/objects", NULL);
3409 while (list) {
3410 ObjectPropertyInfo *info = list->value;
3411
3412 if (!strncmp(info->type, "child<", 5)
3413 && !strncmp(info->name, str, len)) {
3414 readline_add_completion(rs, info->name);
3415 }
3416 list = list->next;
3417 }
3418 qapi_free_ObjectPropertyInfoList(start);
3419}
3420
29136cd8
HB		 3421void sendkey_completion(ReadLineState *rs, int nb_args, const char *str)
3422{
3423 int i;
3424 char *sep;
3425 size_t len;
3426
3427 if (nb_args != 2) {
3428 return;
3429 }
3430 sep = strrchr(str, '-');
3431 if (sep) {
3432 str = sep + 1;
3433 }
3434 len = strlen(str);
3435 readline_set_completion_index(rs, len);
7fb1cf16 3436 for (i = 0; i < Q_KEY_CODE__MAX; i++) {
977c736f
MA		 3437 if (!strncmp(str, QKeyCode_str(i), len)) {
3438 readline_add_completion(rs, QKeyCode_str(i));
29136cd8
HB		 3439 }
3440 }
3441}
3442
40d19394
HB		 3443void set_link_completion(ReadLineState *rs, int nb_args, const char *str)
3444{
3445 size_t len;
3446
3447 len = strlen(str);
3448 readline_set_completion_index(rs, len);
3449 if (nb_args == 2) {
eaed483c 3450 NetClientState *ncs[MAX_QUEUE_NUM];
40d19394
HB		 3451 int count, i;
3452 count = qemu_find_net_clients_except(NULL, ncs,
f394b2e2 3453 NET_CLIENT_DRIVER_NONE,
eaed483c 3454 MAX_QUEUE_NUM);
bcfa4d60 3455 for (i = 0; i < MIN(count, MAX_QUEUE_NUM); i++) {
40d19394
HB		 3456 const char *name = ncs[i]->name;
3457 if (!strncmp(str, name, len)) {
3458 readline_add_completion(rs, name);
3459 }
3460 }
3461 } else if (nb_args == 3) {
3462 add_completion_option(rs, str, "on");
3463 add_completion_option(rs, str, "off");
3464 }
3465}
3466
11b389f2
HB		 3467void netdev_del_completion(ReadLineState *rs, int nb_args, const char *str)
3468{
3469 int len, count, i;
eaed483c 3470 NetClientState *ncs[MAX_QUEUE_NUM];
11b389f2
HB		 3471
3472 if (nb_args != 2) {
3473 return;
3474 }
3475
3476 len = strlen(str);
3477 readline_set_completion_index(rs, len);
f394b2e2 3478 count = qemu_find_net_clients_except(NULL, ncs, NET_CLIENT_DRIVER_NIC,
eaed483c 3479 MAX_QUEUE_NUM);
bcfa4d60 3480 for (i = 0; i < MIN(count, MAX_QUEUE_NUM); i++) {
11b389f2
HB		 3481 QemuOpts *opts;
3482 const char *name = ncs[i]->name;
3483 if (strncmp(str, name, len)) {
3484 continue;
3485 }
3486 opts = qemu_opts_find(qemu_find_opts_err("netdev", NULL), name);
3487 if (opts) {
3488 readline_add_completion(rs, name);
3489 }
3490 }
3491}
3492
bd71211d
LV		 3493void info_trace_events_completion(ReadLineState *rs, int nb_args, const char *str)
3494{
3495 size_t len;
3496
3497 len = strlen(str);
3498 readline_set_completion_index(rs, len);
3499 if (nb_args == 2) {
0d4e995c
DB		 3500 TraceEventIter iter;
3501 TraceEvent *ev;
3502 char *pattern = g_strdup_printf("%s*", str);
3503 trace_event_iter_init(&iter, pattern);
3504 while ((ev = trace_event_iter_next(&iter)) != NULL) {
3505 readline_add_completion(rs, trace_event_get_name(ev));
bd71211d 3506 }
0d4e995c 3507 g_free(pattern);
bd71211d
LV		 3508 }
3509}
3510
987bd270
DDAG		 3511void trace_event_completion(ReadLineState *rs, int nb_args, const char *str)
3512{
3513 size_t len;
3514
3515 len = strlen(str);
3516 readline_set_completion_index(rs, len);
3517 if (nb_args == 2) {
0d4e995c
DB		 3518 TraceEventIter iter;
3519 TraceEvent *ev;
3520 char *pattern = g_strdup_printf("%s*", str);
3521 trace_event_iter_init(&iter, pattern);
3522 while ((ev = trace_event_iter_next(&iter)) != NULL) {
3523 readline_add_completion(rs, trace_event_get_name(ev));
3524 }
3525 g_free(pattern);
987bd270
DDAG		 3526 } else if (nb_args == 3) {
3527 add_completion_option(rs, str, "on");
3528 add_completion_option(rs, str, "off");
3529 }
3530}
3531
d0ece345
HB		 3532void watchdog_action_completion(ReadLineState *rs, int nb_args, const char *str)
3533{
4bb08af3
HB		 3534 int i;
3535
d0ece345
HB		 3536 if (nb_args != 2) {
3537 return;
3538 }
3539 readline_set_completion_index(rs, strlen(str));
14d53b4f
MP		 3540 for (i = 0; i < WATCHDOG_ACTION__MAX; i++) {
3541 add_completion_option(rs, str, WatchdogAction_str(i));
4bb08af3 3542 }
d0ece345
HB		 3543}
3544
c68a0409
HB		 3545void migrate_set_capability_completion(ReadLineState *rs, int nb_args,
3546 const char *str)
3547{
3548 size_t len;
3549
3550 len = strlen(str);
3551 readline_set_completion_index(rs, len);
3552 if (nb_args == 2) {
3553 int i;
7fb1cf16 3554 for (i = 0; i < MIGRATION_CAPABILITY__MAX; i++) {
977c736f 3555 const char *name = MigrationCapability_str(i);
c68a0409
HB		 3556 if (!strncmp(str, name, len)) {
3557 readline_add_completion(rs, name);
3558 }
3559 }
3560 } else if (nb_args == 3) {
3561 add_completion_option(rs, str, "on");
3562 add_completion_option(rs, str, "off");
3563 }
3564}
3565
50e9a629
LL		 3566void migrate_set_parameter_completion(ReadLineState *rs, int nb_args,
3567 const char *str)
3568{
3569 size_t len;
3570
3571 len = strlen(str);
3572 readline_set_completion_index(rs, len);
3573 if (nb_args == 2) {
3574 int i;
7fb1cf16 3575 for (i = 0; i < MIGRATION_PARAMETER__MAX; i++) {
977c736f 3576 const char *name = MigrationParameter_str(i);
50e9a629
LL		 3577 if (!strncmp(str, name, len)) {
3578 readline_add_completion(rs, name);
3579 }
3580 }
3581 }
3582}
3583
b21631f3
HB		 3584static void vm_completion(ReadLineState *rs, const char *str)
3585{
3586 size_t len;
7c8eece4 3587 BlockDriverState *bs;
88be7b4b 3588 BdrvNextIterator it;
b21631f3
HB		 3589
3590 len = strlen(str);
3591 readline_set_completion_index(rs, len);
7c8eece4 3592
88be7b4b 3593 for (bs = bdrv_first(&it); bs; bs = bdrv_next(&it)) {
b21631f3 3594 SnapshotInfoList *snapshots, *snapshot;
6bf1faa8
DL		 3595 AioContext *ctx = bdrv_get_aio_context(bs);
3596 bool ok = false;
b21631f3 3597
6bf1faa8
DL		 3598 aio_context_acquire(ctx);
3599 if (bdrv_can_snapshot(bs)) {
3600 ok = bdrv_query_snapshot_info_list(bs, &snapshots, NULL) == 0;
b21631f3 3601 }
6bf1faa8
DL		 3602 aio_context_release(ctx);
3603 if (!ok) {
b21631f3
HB		 3604 continue;
3605 }
6bf1faa8 3606
b21631f3
HB		 3607 snapshot = snapshots;
3608 while (snapshot) {
3609 char *completion = snapshot->value->name;
3610 if (!strncmp(str, completion, len)) {
3611 readline_add_completion(rs, completion);
3612 }
3613 completion = snapshot->value->id;
3614 if (!strncmp(str, completion, len)) {
3615 readline_add_completion(rs, completion);
3616 }
3617 snapshot = snapshot->next;
3618 }
3619 qapi_free_SnapshotInfoList(snapshots);
3620 }
3621
3622}
3623
3624void delvm_completion(ReadLineState *rs, int nb_args, const char *str)
3625{
3626 if (nb_args == 2) {
3627 vm_completion(rs, str);
3628 }
3629}
3630
3631void loadvm_completion(ReadLineState *rs, int nb_args, const char *str)
3632{
3633 if (nb_args == 2) {
3634 vm_completion(rs, str);
3635 }
3636}
3637
c35b6400
WX		 3638static void monitor_find_completion_by_table(Monitor *mon,
3639 const mon_cmd_t *cmd_table,
3640 char **args,
3641 int nb_args)
81d0912d
FB		 3642{
3643 const char *cmdname;
c35b6400 3644 int i;
bf67f1c0 3645 const char *ptype, *old_ptype, *str, *name;
c227f099 3646 const mon_cmd_t *cmd;
da27a00e 3647 BlockBackend *blk = NULL;
81d0912d 3648
81d0912d
FB		 3649 if (nb_args <= 1) {
3650 /* command completion */
3651 if (nb_args == 0)
3652 cmdname = "";
3653 else
3654 cmdname = args[0];
d2674b2c 3655 readline_set_completion_index(mon->rs, strlen(cmdname));
c35b6400 3656 for (cmd = cmd_table; cmd->name != NULL; cmd++) {
cd5c6bba 3657 cmd_completion(mon, cmdname, cmd->name);
81d0912d
FB		 3658 }
3659 } else {
3660 /* find the command */
c35b6400 3661 for (cmd = cmd_table; cmd->name != NULL; cmd++) {
03a63484
JK		 3662 if (compare_cmd(args[0], cmd->name)) {
3663 break;
3664 }
81d0912d 3665 }
03a63484 3666 if (!cmd->name) {
c35b6400 3667 return;
03a63484
JK		 3668 }
3669
d903a779
WX		 3670 if (cmd->sub_table) {
3671 /* do the job again */
e7ae771f
SW		 3672 monitor_find_completion_by_table(mon, cmd->sub_table,
3673 &args[1], nb_args - 1);
3674 return;
d903a779 3675 }
bfa40f77 3676 if (cmd->command_completion) {
e7ae771f
SW		 3677 cmd->command_completion(mon->rs, nb_args, args[nb_args - 1]);
3678 return;
bfa40f77 3679 }
d903a779 3680
4d76d2ba 3681 ptype = next_arg_type(cmd->args_type);
81d0912d
FB		 3682 for(i = 0; i < nb_args - 2; i++) {
3683 if (*ptype != '\0') {
4d76d2ba 3684 ptype = next_arg_type(ptype);
81d0912d 3685 while (*ptype == '?')
4d76d2ba 3686 ptype = next_arg_type(ptype);
81d0912d
FB		 3687 }
3688 }
3689 str = args[nb_args - 1];
bf67f1c0
DDAG		 3690 old_ptype = NULL;
3691 while (*ptype == '-' && old_ptype != ptype) {
3692 old_ptype = ptype;
3b6dbf27 3693 ptype = next_arg_type(ptype);
2a1704a7 3694 }
81d0912d
FB		 3695 switch(*ptype) {
3696 case 'F':
3697 /* file completion */
d2674b2c 3698 readline_set_completion_index(mon->rs, strlen(str));
cb8f68b1 3699 file_completion(mon, str);
81d0912d
FB		 3700 break;
3701 case 'B':
3702 /* block device name completion */
599a926a 3703 readline_set_completion_index(mon->rs, strlen(str));
da27a00e
HR		 3704 while ((blk = blk_next(blk)) != NULL) {
3705 name = blk_name(blk);
fea68bb6
MA		 3706 if (str[0] == '\0' ||
3707 !strncmp(name, str, strlen(str))) {
3708 readline_add_completion(mon->rs, name);
3709 }
3710 }
81d0912d 3711 break;
7fe48483 3712 case 's':
129be006 3713 case 'S':
29136cd8 3714 if (!strcmp(cmd->name, "help|?")) {
7ca0e061
WX		 3715 monitor_find_completion_by_table(mon, cmd_table,
3716 &args[1], nb_args - 1);
7fe48483
FB		 3717 }
3718 break;
81d0912d
FB		 3719 default:
3720 break;
3721 }
3722 }
c35b6400
WX		 3723}
3724
c60bf339 3725static void monitor_find_completion(void *opaque,
c35b6400
WX		 3726 const char *cmdline)
3727{
c60bf339 3728 Monitor *mon = opaque;
c35b6400
WX		 3729 char *args[MAX_ARGS];
3730 int nb_args, len;
3731
3732 /* 1. parse the cmdline */
3733 if (parse_cmdline(cmdline, &nb_args, args) < 0) {
3734 return;
3735 }
c35b6400
WX		 3736
3737 /* if the line ends with a space, it means we want to complete the
3738 next arg */
3739 len = strlen(cmdline);
3740 if (len > 0 && qemu_isspace(cmdline[len - 1])) {
3741 if (nb_args >= MAX_ARGS) {
3742 goto cleanup;
3743 }
3744 args[nb_args++] = g_strdup("");
3745 }
3746
3747 /* 2. auto complete according to args */
3748 monitor_find_completion_by_table(mon, mon->cmd_table, args, nb_args);
03a63484
JK		 3749
3750cleanup:
dcc70cdf 3751 free_cmdline_args(args, nb_args);
81d0912d
FB		 3752}
3753
731b0364 3754static int monitor_can_read(void *opaque)
9dc39cba 3755{
731b0364
AL		 3756 Monitor *mon = opaque;
3757
c62313bb 3758 return (mon->suspend_cnt == 0) ? 1 : 0;
9dc39cba
FB		 3759}
3760
95385fe9 3761static void handle_qmp_command(JSONMessageParser *parser, GQueue *tokens)
5fa737a4 3762{
5c678ee8
MAL		 3763 QObject *req, *rsp = NULL, *id = NULL;
3764 QDict *qdict = NULL;
5fa737a4 3765 Monitor *mon = cur_mon;
5c678ee8 3766 Error *err = NULL;
5fa737a4 3767
5c678ee8 3768 req = json_parser_parse_err(tokens, NULL, &err);
bbf1028a
MA		 3769 if (!req && !err) {
3770 /* json_parser_parse_err() sucks: can fail without setting @err */
3771 error_setg(&err, QERR_JSON_PARSING);
3772 }
3773 if (err) {
5fa737a4 3774 goto err_out;
5fa737a4
LC		 3775 }
3776
104fc302
MA		 3777 qdict = qobject_to_qdict(req);
3778 if (qdict) {
3779 id = qdict_get(qdict, "id");
3780 qobject_incref(id);
3781 qdict_del(qdict, "id");
3782 } /* else will fail qmp_dispatch() */
5c678ee8 3783
bd6952a3
DL		 3784 if (trace_event_get_state_backends(TRACE_HANDLE_QMP_COMMAND)) {
3785 QString *req_json = qobject_to_json(req);
3786 trace_handle_qmp_command(mon, qstring_get_str(req_json));
3787 QDECREF(req_json);
3788 }
b097efc0 3789
635db18f 3790 rsp = qmp_dispatch(cur_mon->qmp.commands, req);
5fa737a4 3791
635db18f
MA		 3792 if (mon->qmp.commands == &qmp_cap_negotiation_commands) {
3793 qdict = qdict_get_qdict(qobject_to_qdict(rsp), "error");
3794 if (qdict
3795 && !g_strcmp0(qdict_get_try_str(qdict, "class"),
977c736f 3796 QapiErrorClass_str(ERROR_CLASS_COMMAND_NOT_FOUND))) {
635db18f
MA		 3797 /* Provide a more useful error message */
3798 qdict_del(qdict, "desc");
46f5ac20
EB		 3799 qdict_put_str(qdict, "desc", "Expecting capabilities negotiation"
3800 " with 'qmp_capabilities'");
635db18f
MA		 3801 }
3802 }
5fa737a4 3803
5c678ee8
MAL		 3804err_out:
3805 if (err) {
3806 qdict = qdict_new();
3807 qdict_put_obj(qdict, "error", qmp_build_error_object(err));
3808 error_free(err);
3809 rsp = QOBJECT(qdict);
5fa737a4
LC		 3810 }
3811
5c678ee8
MAL		 3812 if (rsp) {
3813 if (id) {
3814 qdict_put_obj(qobject_to_qdict(rsp), "id", id);
3815 id = NULL;
3816 }
5fa737a4 3817
5c678ee8
MAL		 3818 monitor_json_emitter(mon, rsp);
3819 }
3820
3821 qobject_decref(id);
3822 qobject_decref(rsp);
3823 qobject_decref(req);
5fa737a4
LC		 3824}
3825
c83fe23b 3826static void monitor_qmp_read(void *opaque, const uint8_t *buf, int size)
9b57c02e
LC		 3827{
3828 Monitor *old_mon = cur_mon;
3829
3830 cur_mon = opaque;
3831
74358f2a 3832 json_message_parser_feed(&cur_mon->qmp.parser, (const char *) buf, size);
9b57c02e
LC		 3833
3834 cur_mon = old_mon;
3835}
3836
731b0364 3837static void monitor_read(void *opaque, const uint8_t *buf, int size)
9dc39cba 3838{
731b0364 3839 Monitor *old_mon = cur_mon;
7e2515e8 3840 int i;
376253ec 3841
731b0364
AL		 3842 cur_mon = opaque;
3843
cde76ee1
AL		 3844 if (cur_mon->rs) {
3845 for (i = 0; i < size; i++)
3846 readline_handle_byte(cur_mon->rs, buf[i]);
3847 } else {
3848 if (size == 0 || buf[size - 1] != 0)
3849 monitor_printf(cur_mon, "corrupted command\n");
3850 else
7ef6cf63 3851 handle_hmp_command(cur_mon, (char *)buf);
cde76ee1 3852 }
9dc39cba 3853
731b0364
AL		 3854 cur_mon = old_mon;
3855}
d8f44609 3856
c60bf339
SH		 3857static void monitor_command_cb(void *opaque, const char *cmdline,
3858 void *readline_opaque)
aa455485 3859{
c60bf339
SH		 3860 Monitor *mon = opaque;
3861
731b0364 3862 monitor_suspend(mon);
7ef6cf63 3863 handle_hmp_command(mon, cmdline);
731b0364 3864 monitor_resume(mon);
d8f44609
AL		 3865}
3866
cde76ee1 3867int monitor_suspend(Monitor *mon)
d8f44609 3868{
cde76ee1
AL		 3869 if (!mon->rs)
3870 return -ENOTTY;
731b0364 3871 mon->suspend_cnt++;
cde76ee1 3872 return 0;
d8f44609
AL		 3873}
3874
376253ec 3875void monitor_resume(Monitor *mon)
d8f44609 3876{
cde76ee1
AL		 3877 if (!mon->rs)
3878 return;
731b0364
AL		 3879 if (--mon->suspend_cnt == 0)
3880 readline_show_prompt(mon->rs);
aa455485
FB		 3881}
3882
ca9567e2
LC		 3883static QObject *get_qmp_greeting(void)
3884{
b9c15f16 3885 QObject *ver = NULL;
ca9567e2 3886
7fad30f0 3887 qmp_marshal_query_version(NULL, &ver, NULL);
c823501e
MAL		 3888
3889 return qobject_from_jsonf("{'QMP': {'version': %p, 'capabilities': []}}",
3890 ver);
ca9567e2
LC		 3891}
3892
c83fe23b 3893static void monitor_qmp_event(void *opaque, int event)
9b57c02e 3894{
47116d1c
LC		 3895 QObject *data;
3896 Monitor *mon = opaque;
9b57c02e 3897
47116d1c
LC		 3898 switch (event) {
3899 case CHR_EVENT_OPENED:
635db18f 3900 mon->qmp.commands = &qmp_cap_negotiation_commands;
ca9567e2 3901 data = get_qmp_greeting();
9b57c02e
LC		 3902 monitor_json_emitter(mon, data);
3903 qobject_decref(data);
efb87c16 3904 mon_refcount++;
47116d1c
LC		 3905 break;
3906 case CHR_EVENT_CLOSED:
74358f2a
MA		 3907 json_message_parser_destroy(&mon->qmp.parser);
3908 json_message_parser_init(&mon->qmp.parser, handle_qmp_command);
efb87c16
CB		 3909 mon_refcount--;
3910 monitor_fdsets_cleanup();
47116d1c 3911 break;
9b57c02e
LC		 3912 }
3913}
3914
731b0364 3915static void monitor_event(void *opaque, int event)
86e94dea 3916{
376253ec
AL		 3917 Monitor *mon = opaque;
3918
2724b180
AL		 3919 switch (event) {
3920 case CHR_EVENT_MUX_IN:
6cff3e85 3921 qemu_mutex_lock(&mon->out_lock);
a7aec5da 3922 mon->mux_out = 0;
6cff3e85 3923 qemu_mutex_unlock(&mon->out_lock);
a7aec5da
GH		 3924 if (mon->reset_seen) {
3925 readline_restart(mon->rs);
3926 monitor_resume(mon);
3927 monitor_flush(mon);
3928 } else {
3929 mon->suspend_cnt = 0;
3930 }
2724b180
AL		 3931 break;
3932
3933 case CHR_EVENT_MUX_OUT:
a7aec5da
GH		 3934 if (mon->reset_seen) {
3935 if (mon->suspend_cnt == 0) {
3936 monitor_printf(mon, "\n");
3937 }
3938 monitor_flush(mon);
3939 monitor_suspend(mon);
3940 } else {
3941 mon->suspend_cnt++;
3942 }
6cff3e85 3943 qemu_mutex_lock(&mon->out_lock);
a7aec5da 3944 mon->mux_out = 1;
6cff3e85 3945 qemu_mutex_unlock(&mon->out_lock);
2724b180 3946 break;
86e94dea 3947
b6b8df56 3948 case CHR_EVENT_OPENED:
2724b180
AL		 3949 monitor_printf(mon, "QEMU %s monitor - type 'help' for more "
3950 "information\n", QEMU_VERSION);
a7aec5da 3951 if (!mon->mux_out) {
e5554e20 3952 readline_restart(mon->rs);
2724b180 3953 readline_show_prompt(mon->rs);
a7aec5da
GH		 3954 }
3955 mon->reset_seen = 1;
efb87c16
CB		 3956 mon_refcount++;
3957 break;
3958
3959 case CHR_EVENT_CLOSED:
3960 mon_refcount--;
3961 monitor_fdsets_cleanup();
2724b180
AL		 3962 break;
3963 }
86e94dea
TS		 3964}
3965
816f8925
WX		 3966static int
3967compare_mon_cmd(const void *a, const void *b)
3968{
3969 return strcmp(((const mon_cmd_t *)a)->name,
3970 ((const mon_cmd_t *)b)->name);
3971}
3972
3973static void sortcmdlist(void)
3974{
3975 int array_num;
3976 int elem_size = sizeof(mon_cmd_t);
3977
3978 array_num = sizeof(mon_cmds)/elem_size-1;
3979 qsort((void *)mon_cmds, array_num, elem_size, compare_mon_cmd);
3980
3981 array_num = sizeof(info_cmds)/elem_size-1;
3982 qsort((void *)info_cmds, array_num, elem_size, compare_mon_cmd);
3983}
3984
c60bf339
SH		 3985/* These functions just adapt the readline interface in a typesafe way. We
3986 * could cast function pointers but that discards compiler checks.
3987 */
d5d1507b
SW		 3988static void GCC_FMT_ATTR(2, 3) monitor_readline_printf(void *opaque,
3989 const char *fmt, ...)
c60bf339
SH		 3990{
3991 va_list ap;
3992 va_start(ap, fmt);
3993 monitor_vprintf(opaque, fmt, ap);
3994 va_end(ap);
3995}
3996
3997static void monitor_readline_flush(void *opaque)
3998{
3999 monitor_flush(opaque);
4000}
4001
397d30e9
PB		 4002/*
4003 * Print to current monitor if we have one, else to stderr.
4004 * TODO should return int, so callers can calculate width, but that
4005 * requires surgery to monitor_vprintf(). Left for another day.
4006 */
4007void error_vprintf(const char *fmt, va_list ap)
4008{
4009 if (cur_mon && !monitor_cur_is_qmp()) {
4010 monitor_vprintf(cur_mon, fmt, ap);
4011 } else {
4012 vfprintf(stderr, fmt, ap);
4013 }
4014}
4015
4016void error_vprintf_unless_qmp(const char *fmt, va_list ap)
4017{
4018 if (cur_mon && !monitor_cur_is_qmp()) {
4019 monitor_vprintf(cur_mon, fmt, ap);
0d6b50d4
MAL		 4020 } else if (!cur_mon) {
4021 vfprintf(stderr, fmt, ap);
397d30e9
PB		 4022 }
4023}
4024
d622cb58
PB		 4025static void __attribute__((constructor)) monitor_lock_init(void)
4026{
4027 qemu_mutex_init(&monitor_lock);
4028}
4029
0ec7b3e7 4030void monitor_init(Chardev *chr, int flags)
aa455485 4031{
731b0364 4032 static int is_first_init = 1;
87127161 4033 Monitor *mon;
20d8a3ed
TS		 4034
4035 if (is_first_init) {
43a14cfc 4036 monitor_qapi_event_init();
d038317c 4037 sortcmdlist();
20d8a3ed
TS		 4038 is_first_init = 0;
4039 }
87127161 4040
b01fe89e
WX		 4041 mon = g_malloc(sizeof(*mon));
4042 monitor_data_init(mon);
20d8a3ed 4043
32a6ebec 4044 qemu_chr_fe_init(&mon->chr, chr, &error_abort);
731b0364 4045 mon->flags = flags;
cde76ee1 4046 if (flags & MONITOR_USE_READLINE) {
c60bf339
SH		 4047 mon->rs = readline_init(monitor_readline_printf,
4048 monitor_readline_flush,
4049 mon,
4050 monitor_find_completion);
cde76ee1
AL		 4051 monitor_read_command(mon, 0);
4052 }
87127161 4053
9f3982f2 4054 if (monitor_is_qmp(mon)) {
5345fdb4 4055 qemu_chr_fe_set_handlers(&mon->chr, monitor_can_read, monitor_qmp_read,
81517ba3 4056 monitor_qmp_event, NULL, mon, NULL, true);
5345fdb4 4057 qemu_chr_fe_set_echo(&mon->chr, true);
74358f2a 4058 json_message_parser_init(&mon->qmp.parser, handle_qmp_command);
9b57c02e 4059 } else {
5345fdb4 4060 qemu_chr_fe_set_handlers(&mon->chr, monitor_can_read, monitor_read,
81517ba3 4061 monitor_event, NULL, mon, NULL, true);
9b57c02e 4062 }
87127161 4063
d622cb58 4064 qemu_mutex_lock(&monitor_lock);
72cf2d4f 4065 QLIST_INSERT_HEAD(&mon_list, mon, entry);
d622cb58 4066 qemu_mutex_unlock(&monitor_lock);
aa455485
FB		 4067}
4068
2ef45716
MAL		 4069void monitor_cleanup(void)
4070{
4071 Monitor *mon, *next;
4072
4073 qemu_mutex_lock(&monitor_lock);
4074 QLIST_FOREACH_SAFE(mon, &mon_list, entry, next) {
4075 QLIST_REMOVE(mon, entry);
4076 monitor_data_destroy(mon);
4077 g_free(mon);
4078 }
4079 qemu_mutex_unlock(&monitor_lock);
4080}
4081
4d454574
PB		 4082QemuOptsList qemu_mon_opts = {
4083 .name = "mon",
4084 .implied_opt_name = "chardev",
4085 .head = QTAILQ_HEAD_INITIALIZER(qemu_mon_opts.head),
4086 .desc = {
4087 {
4088 .name = "mode",
4089 .type = QEMU_OPT_STRING,
4090 },{
4091 .name = "chardev",
4092 .type = QEMU_OPT_STRING,
4d454574
PB		 4093 },{
4094 .name = "pretty",
4095 .type = QEMU_OPT_BOOL,
4096 },
4097 { /* end of list */ }
4098 },
4099};
f2ae8abf
MT		 4100
4101#ifndef TARGET_I386
4102void qmp_rtc_reset_reinjection(Error **errp)
4103{
c6bd8c70 4104 error_setg(errp, QERR_FEATURE_DISABLED, "rtc-reset-reinjection");
f2ae8abf
MT		 4105}
4106#endif
7ee0c3e3
JH		 4107
4108#ifndef TARGET_S390X
4109void qmp_dump_skeys(const char *filename, Error **errp)
4110{
4111 error_setg(errp, QERR_FEATURE_DISABLED, "dump-skeys");
4112}
4113#endif
ae50a770
PX		 4114
4115#ifndef TARGET_ARM
4116GICCapabilityList *qmp_query_gic_capabilities(Error **errp)
4117{
4118 error_setg(errp, QERR_FEATURE_DISABLED, "query-gic-capabilities");
4119 return NULL;
4120}
4121#endif
d4633541
IM		 4122
4123HotpluggableCPUList *qmp_query_hotpluggable_cpus(Error **errp)
4124{
4125 MachineState *ms = MACHINE(qdev_get_machine());
4126 MachineClass *mc = MACHINE_GET_CLASS(ms);
4127
c5514d0e 4128 if (!mc->has_hotpluggable_cpus) {
d4633541
IM		 4129 error_setg(errp, QERR_FEATURE_DISABLED, "query-hotpluggable-cpus");
4130 return NULL;
4131 }
4132
c5514d0e 4133 return machine_query_hotpluggable_cpus(ms);
d4633541 4134}
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