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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 */
d38ea87a 24#include "qemu/osdep.h"
511d2b14 25#include <dirent.h>
33c11879
PB		 26#include "qemu-common.h"
27#include "cpu.h"
87ecb68b 28#include "hw/hw.h"
b4a42f81 29#include "monitor/qdev.h"
87ecb68b 30#include "hw/usb.h"
0d09e41a 31#include "hw/i386/pc.h"
a2cb15b0 32#include "hw/pci/pci.h"
0d09e41a 33#include "sysemu/watchdog.h"
45a50b16 34#include "hw/loader.h"
022c62cb 35#include "exec/gdbstub.h"
1422e32d 36#include "net/net.h"
68ac40d2 37#include "net/slirp.h"
dccfcd0e 38#include "sysemu/char.h"
7572150c 39#include "ui/qemu-spice.h"
9c17d615 40#include "sysemu/sysemu.h"
e35704ba 41#include "sysemu/numa.h"
83c9089e 42#include "monitor/monitor.h"
213dcb06 43#include "qemu/config-file.h"
0150cd81 44#include "qemu/readline.h"
28ecbaee 45#include "ui/console.h"
c751a74a 46#include "ui/input.h"
9c17d615 47#include "sysemu/blockdev.h"
da27a00e 48#include "sysemu/block-backend.h"
87ecb68b 49#include "audio/audio.h"
76cad711 50#include "disas/disas.h"
9c17d615 51#include "sysemu/balloon.h"
1de7afc9 52#include "qemu/timer.h"
caf71f86 53#include "migration/migration.h"
b3946626 54#include "sysemu/hw_accel.h"
1de7afc9 55#include "qemu/acl.h"
bdee56f5 56#include "sysemu/tpm.h"
cc7a8ea7 57#include "qapi/qmp/qerror.h"
c7eb39cb 58#include "qapi/qmp/types.h"
7b1b5d19
PB		 59#include "qapi/qmp/qjson.h"
60#include "qapi/qmp/json-streamer.h"
61#include "qapi/qmp/json-parser.h"
a9c94277 62#include "qom/object_interfaces.h"
0ab8ed18 63#include "trace-root.h"
31965ae2 64#include "trace/control.h"
bf957284 65#include "monitor/hmp-target.h"
6d8a764e 66#ifdef CONFIG_TRACE_SIMPLE
31965ae2 67#include "trace/simple.h"
22890ab5 68#endif
022c62cb 69#include "exec/memory.h"
63c91552 70#include "exec/exec-all.h"
03dd024f 71#include "qemu/log.h"
48a32bed
AL		 72#include "qmp-commands.h"
73#include "hmp.h"
1de7afc9 74#include "qemu/thread.h"
b21631f3 75#include "block/qapi.h"
43a14cfc
WX		 76#include "qapi/qmp-event.h"
77#include "qapi-event.h"
39a18158 78#include "qmp-introspect.h"
dc599978 79#include "sysemu/qtest.h"
d2528bdc 80#include "sysemu/cpus.h"
f348b6d1 81#include "qemu/cutils.h"
edcfaefe 82#include "qapi/qmp/dispatch.h"
6a5bd307 83
a4538a5c
JH		 84#if defined(TARGET_S390X)
85#include "hw/s390x/storage-keys.h"
86#endif
87
9307c4c1
FB		 88/*
89 * Supported types:
5fafdf24 90 *
9307c4c1 91 * 'F' filename
81d0912d 92 * 'B' block device name
9307c4c1 93 * 's' string (accept optional quote)
129be006 94 * 'S' it just appends the rest of the string (accept optional quote)
361127df
MA		 95 * 'O' option string of the form NAME=VALUE,...
96 * parsed according to QemuOptsList given by its name
97 * Example: 'device:O' uses qemu_device_opts.
98 * Restriction: only lists with empty desc are supported
99 * TODO lift the restriction
92a31b1f
FB		 100 * 'i' 32 bit integer
101 * 'l' target long (32 or 64 bit)
91162849
LC		 102 * 'M' Non-negative target long (32 or 64 bit), in user mode the
103 * value is multiplied by 2^20 (think Mebibyte)
dbc0c67f 104 * 'o' octets (aka bytes)
5e00984a
KW		 105 * user mode accepts an optional E, e, P, p, T, t, G, g, M, m,
106 * K, k suffix, which multiplies the value by 2^60 for suffixes E
107 * and e, 2^50 for suffixes P and p, 2^40 for suffixes T and t,
108 * 2^30 for suffixes G and g, 2^20 for M and m, 2^10 for K and k
fccfb11e
MA		 109 * 'T' double
110 * user mode accepts an optional ms, us, ns suffix,
111 * which divides the value by 1e3, 1e6, 1e9, respectively
9307c4c1
FB		 112 * '/' optional gdb-like print format (like "/10x")
113 *
fb46660e
LC		 114 * '?' optional type (for all types, except '/')
115 * '.' other form of optional type (for 'i' and 'l')
942cd1f2
MA		 116 * 'b' boolean
117 * user mode accepts "on" or "off"
fb46660e 118 * '-' optional parameter (eg. '-f')
9307c4c1
FB		 119 *
120 */
121
c227f099 122typedef struct mon_cmd_t {
9dc39cba 123 const char *name;
9307c4c1 124 const char *args_type;
9dc39cba
FB		 125 const char *params;
126 const char *help;
2b9e3576
MAL		 127 void (*cmd)(Monitor *mon, const QDict *qdict);
128 /* @sub_table is a list of 2nd level of commands. If it does not exist,
129 * cmd should be used. If it exists, sub_table[?].cmd should be
130 * used, and cmd of 1st level plays the role of help function.
5f3d335f
WX		 131 */
132 struct mon_cmd_t *sub_table;
bfa40f77 133 void (*command_completion)(ReadLineState *rs, int nb_args, const char *str);
c227f099 134} mon_cmd_t;
9dc39cba 135
f07918fd 136/* file descriptors passed via SCM_RIGHTS */
c227f099
AL		 137typedef struct mon_fd_t mon_fd_t;
138struct mon_fd_t {
f07918fd
MM		 139 char *name;
140 int fd;
c227f099 141 QLIST_ENTRY(mon_fd_t) next;
f07918fd
MM		 142};
143
ba1c048a
CB		 144/* file descriptor associated with a file descriptor set */
145typedef struct MonFdsetFd MonFdsetFd;
146struct MonFdsetFd {
147 int fd;
148 bool removed;
149 char *opaque;
150 QLIST_ENTRY(MonFdsetFd) next;
151};
152
153/* file descriptor set containing fds passed via SCM_RIGHTS */
154typedef struct MonFdset MonFdset;
155struct MonFdset {
156 int64_t id;
157 QLIST_HEAD(, MonFdsetFd) fds;
adb696f3 158 QLIST_HEAD(, MonFdsetFd) dup_fds;
ba1c048a
CB		 159 QLIST_ENTRY(MonFdset) next;
160};
161
74358f2a 162typedef struct {
5fa737a4 163 JSONMessageParser parser;
f994b258
MA		 164 /*
165 * When a client connects, we're in capabilities negotiation mode.
166 * When command qmp_capabilities succeeds, we go into command
167 * mode.
168 */
635db18f 169 QmpCommandList *commands;
74358f2a 170} MonitorQMP;
5fa737a4 171
afeecec2
DB		 172/*
173 * To prevent flooding clients, events can be throttled. The
174 * throttling is calculated globally, rather than per-Monitor
175 * instance.
176 */
43a14cfc 177typedef struct MonitorQAPIEventState {
7de0be65
MA		 178 QAPIEvent event; /* Throttling state for this event type and... */
179 QDict *data; /* ... data, see qapi_event_throttle_equal() */
afeecec2 180 QEMUTimer *timer; /* Timer for handling delayed events */
688b4b7d 181 QDict *qdict; /* Delayed event (if any) */
43a14cfc 182} MonitorQAPIEventState;
afeecec2 183
b9b03ab0
MA		 184typedef struct {
185 int64_t rate; /* Minimum time (in ns) between two events */
186} MonitorQAPIEventConf;
187
87127161 188struct Monitor {
32a6ebec 189 CharBackend chr;
a7aec5da 190 int reset_seen;
731b0364
AL		 191 int flags;
192 int suspend_cnt;
48c043d0 193 bool skip_flush;
6cff3e85
PB		 194
195 QemuMutex out_lock;
e1f2641b 196 QString *outbuf;
6cff3e85
PB		 197 guint out_watch;
198
199 /* Read under either BQL or out_lock, written with BQL+out_lock. */
200 int mux_out;
201
731b0364 202 ReadLineState *rs;
74358f2a 203 MonitorQMP qmp;
cb446eca 204 CPUState *mon_cpu;
097310b5 205 BlockCompletionFunc *password_completion_cb;
731b0364 206 void *password_opaque;
7717239d 207 mon_cmd_t *cmd_table;
c227f099 208 QLIST_HEAD(,mon_fd_t) fds;
72cf2d4f 209 QLIST_ENTRY(Monitor) entry;
87127161
AL		 210};
211
2dbc8db0
LC		 212/* QMP checker flags */
213#define QMP_ACCEPT_UNKNOWNS 1
214
d622cb58
PB		 215/* Protects mon_list, monitor_event_state. */
216static QemuMutex monitor_lock;
217
72cf2d4f 218static QLIST_HEAD(mon_list, Monitor) mon_list;
ba1c048a 219static QLIST_HEAD(mon_fdsets, MonFdset) mon_fdsets;
efb87c16 220static int mon_refcount;
7e2515e8 221
816f8925
WX		 222static mon_cmd_t mon_cmds[];
223static mon_cmd_t info_cmds[];
9dc39cba 224
635db18f 225QmpCommandList qmp_commands, qmp_cap_negotiation_commands;
1527badb 226
8631b608 227Monitor *cur_mon;
376253ec 228
dc599978
AG		 229static QEMUClockType event_clock_type = QEMU_CLOCK_REALTIME;
230
c60bf339
SH		 231static void monitor_command_cb(void *opaque, const char *cmdline,
232 void *readline_opaque);
83ab7950 233
9f3982f2
MA		 234/**
235 * Is @mon a QMP monitor?
236 */
237static inline bool monitor_is_qmp(const Monitor *mon)
418173c7
LC		 238{
239 return (mon->flags & MONITOR_USE_CONTROL);
240}
241
489653b5
MA		 242/**
243 * Is the current monitor, if any, a QMP monitor?
244 */
245bool monitor_cur_is_qmp(void)
6620d3ce 246{
9f3982f2 247 return cur_mon && monitor_is_qmp(cur_mon);
6620d3ce
MA		 248}
249
7060b478 250void monitor_read_command(Monitor *mon, int show_prompt)
731b0364 251{
183e6e52
LC		 252 if (!mon->rs)
253 return;
254
731b0364
AL		 255 readline_start(mon->rs, "(qemu) ", 0, monitor_command_cb, NULL);
256 if (show_prompt)
257 readline_show_prompt(mon->rs);
258}
6a00d601 259
7060b478
AL		 260int monitor_read_password(Monitor *mon, ReadLineFunc *readline_func,
261 void *opaque)
bb5fc20f 262{
bcf5d19c 263 if (mon->rs) {
cde76ee1
AL		 264 readline_start(mon->rs, "Password: ", 1, readline_func, opaque);
265 /* prompt is printed on return from the command handler */
266 return 0;
267 } else {
268 monitor_printf(mon, "terminal does not support password prompting\n");
269 return -ENOTTY;
270 }
bb5fc20f
AL		 271}
272
6cff3e85
PB		 273static void monitor_flush_locked(Monitor *mon);
274
f628926b
GH		 275static gboolean monitor_unblocked(GIOChannel *chan, GIOCondition cond,
276 void *opaque)
277{
293d2a00
LE		 278 Monitor *mon = opaque;
279
6cff3e85
PB		 280 qemu_mutex_lock(&mon->out_lock);
281 mon->out_watch = 0;
282 monitor_flush_locked(mon);
283 qemu_mutex_unlock(&mon->out_lock);
f628926b
GH		 284 return FALSE;
285}
286
6cff3e85
PB		 287/* Called with mon->out_lock held. */
288static void monitor_flush_locked(Monitor *mon)
7e2515e8 289{
f628926b 290 int rc;
e1f2641b
LC		 291 size_t len;
292 const char *buf;
293
48c043d0
LC		 294 if (mon->skip_flush) {
295 return;
296 }
297
e1f2641b
LC		 298 buf = qstring_get_str(mon->outbuf);
299 len = qstring_get_length(mon->outbuf);
f628926b 300
a4cc73d6 301 if (len && !mon->mux_out) {
5345fdb4 302 rc = qemu_chr_fe_write(&mon->chr, (const uint8_t *) buf, len);
056f49ff
SP		 303 if ((rc < 0 && errno != EAGAIN) || (rc == len)) {
304 /* all flushed or error */
e1f2641b
LC		 305 QDECREF(mon->outbuf);
306 mon->outbuf = qstring_new();
f628926b
GH		 307 return;
308 }
309 if (rc > 0) {
3b7c78c8 310 /* partial write */
e1f2641b
LC		 311 QString *tmp = qstring_from_str(buf + rc);
312 QDECREF(mon->outbuf);
313 mon->outbuf = tmp;
f628926b 314 }
6cff3e85 315 if (mon->out_watch == 0) {
32a6ebec 316 mon->out_watch =
5345fdb4 317 qemu_chr_fe_add_watch(&mon->chr, G_IO_OUT | G_IO_HUP,
32a6ebec 318 monitor_unblocked, mon);
293d2a00 319 }
7e2515e8
FB		 320 }
321}
322
6cff3e85
PB		 323void monitor_flush(Monitor *mon)
324{
325 qemu_mutex_lock(&mon->out_lock);
326 monitor_flush_locked(mon);
327 qemu_mutex_unlock(&mon->out_lock);
328}
329
e1f2641b 330/* flush at every end of line */
376253ec 331static void monitor_puts(Monitor *mon, const char *str)
7e2515e8 332{
60fe76f3 333 char c;
731b0364 334
6cff3e85 335 qemu_mutex_lock(&mon->out_lock);
7e2515e8
FB		 336 for(;;) {
337 c = *str++;
338 if (c == '\0')
339 break;
e1f2641b
LC		 340 if (c == '\n') {
341 qstring_append_chr(mon->outbuf, '\r');
342 }
343 qstring_append_chr(mon->outbuf, c);
344 if (c == '\n') {
6cff3e85 345 monitor_flush_locked(mon);
e1f2641b 346 }
7e2515e8 347 }
6cff3e85 348 qemu_mutex_unlock(&mon->out_lock);
7e2515e8
FB		 349}
350
376253ec 351void monitor_vprintf(Monitor *mon, const char *fmt, va_list ap)
9dc39cba 352{
e1f2641b 353 char *buf;
b8b08266 354
2daa1191
LC		 355 if (!mon)
356 return;
357
9f3982f2 358 if (monitor_is_qmp(mon)) {
b8b08266 359 return;
4a29a85d 360 }
b8b08266 361
e1f2641b 362 buf = g_strdup_vprintf(fmt, ap);
b8b08266 363 monitor_puts(mon, buf);
e1f2641b 364 g_free(buf);
9dc39cba
FB		 365}
366
376253ec 367void monitor_printf(Monitor *mon, const char *fmt, ...)
9dc39cba 368{
7e2515e8
FB		 369 va_list ap;
370 va_start(ap, fmt);
376253ec 371 monitor_vprintf(mon, fmt, ap);
7e2515e8 372 va_end(ap);
9dc39cba
FB		 373}
374
caf15319 375int monitor_fprintf(FILE *stream, const char *fmt, ...)
7fe48483
FB		 376{
377 va_list ap;
378 va_start(ap, fmt);
376253ec 379 monitor_vprintf((Monitor *)stream, fmt, ap);
7fe48483
FB		 380 va_end(ap);
381 return 0;
382}
383
9b57c02e
LC		 384static void monitor_json_emitter(Monitor *mon, const QObject *data)
385{
386 QString *json;
387
83a27d4d
LC		 388 json = mon->flags & MONITOR_USE_PRETTY ? qobject_to_json_pretty(data) :
389 qobject_to_json(data);
9b57c02e
LC		 390 assert(json != NULL);
391
b8b08266
LC		 392 qstring_append_chr(json, '\n');
393 monitor_puts(mon, qstring_get_str(json));
4a29a85d 394
9b57c02e
LC		 395 QDECREF(json);
396}
397
7fb1cf16 398static MonitorQAPIEventConf monitor_qapi_event_conf[QAPI_EVENT__MAX] = {
b9b03ab0
MA		 399 /* Limit guest-triggerable events to 1 per second */
400 [QAPI_EVENT_RTC_CHANGE] = { 1000 * SCALE_MS },
401 [QAPI_EVENT_WATCHDOG] = { 1000 * SCALE_MS },
402 [QAPI_EVENT_BALLOON_CHANGE] = { 1000 * SCALE_MS },
403 [QAPI_EVENT_QUORUM_REPORT_BAD] = { 1000 * SCALE_MS },
404 [QAPI_EVENT_QUORUM_FAILURE] = { 1000 * SCALE_MS },
405 [QAPI_EVENT_VSERPORT_CHANGE] = { 1000 * SCALE_MS },
406};
407
a24712af 408GHashTable *monitor_qapi_event_state;
afeecec2
DB		 409
410/*
43a14cfc 411 * Emits the event to every monitor instance, @event is only used for trace
d622cb58 412 * Called with monitor_lock held.
afeecec2 413 */
688b4b7d 414static void monitor_qapi_event_emit(QAPIEvent event, QDict *qdict)
afeecec2
DB		 415{
416 Monitor *mon;
417
688b4b7d 418 trace_monitor_protocol_event_emit(event, qdict);
afeecec2 419 QLIST_FOREACH(mon, &mon_list, entry) {
635db18f
MA		 420 if (monitor_is_qmp(mon)
421 && mon->qmp.commands != &qmp_cap_negotiation_commands) {
688b4b7d 422 monitor_json_emitter(mon, QOBJECT(qdict));
afeecec2
DB		 423 }
424 }
425}
426
a24712af
MA		 427static void monitor_qapi_event_handler(void *opaque);
428
afeecec2
DB		 429/*
430 * Queue a new event for emission to Monitor instances,
431 * applying any rate limiting if required.
432 */
433static void
688b4b7d 434monitor_qapi_event_queue(QAPIEvent event, QDict *qdict, Error **errp)
afeecec2 435{
b9b03ab0 436 MonitorQAPIEventConf *evconf;
43a14cfc 437 MonitorQAPIEventState *evstate;
afeecec2 438
7fb1cf16 439 assert(event < QAPI_EVENT__MAX);
b9b03ab0 440 evconf = &monitor_qapi_event_conf[event];
b9b03ab0 441 trace_monitor_protocol_event_queue(event, qdict, evconf->rate);
afeecec2 442
d622cb58 443 qemu_mutex_lock(&monitor_lock);
93f8f982 444
b9b03ab0 445 if (!evconf->rate) {
93f8f982 446 /* Unthrottled event */
688b4b7d 447 monitor_qapi_event_emit(event, qdict);
afeecec2 448 } else {
7de0be65
MA		 449 QDict *data = qobject_to_qdict(qdict_get(qdict, "data"));
450 MonitorQAPIEventState key = { .event = event, .data = data };
a24712af
MA		 451
452 evstate = g_hash_table_lookup(monitor_qapi_event_state, &key);
453 assert(!evstate || timer_pending(evstate->timer));
454
455 if (evstate) {
93f8f982 456 /*
b9b03ab0 457 * Timer is pending for (at least) evconf->rate ns after
93f8f982
MA		 458 * last send. Store event for sending when timer fires,
459 * replacing a prior stored event if any.
afeecec2 460 */
93f8f982 461 QDECREF(evstate->qdict);
688b4b7d
MA		 462 evstate->qdict = qdict;
463 QINCREF(evstate->qdict);
afeecec2 464 } else {
93f8f982 465 /*
b9b03ab0 466 * Last send was (at least) evconf->rate ns ago.
93f8f982 467 * Send immediately, and arm the timer to call
b9b03ab0 468 * monitor_qapi_event_handler() in evconf->rate ns. Any
93f8f982
MA		 469 * events arriving before then will be delayed until then.
470 */
dc599978 471 int64_t now = qemu_clock_get_ns(event_clock_type);
93f8f982 472
688b4b7d 473 monitor_qapi_event_emit(event, qdict);
a24712af
MA		 474
475 evstate = g_new(MonitorQAPIEventState, 1);
476 evstate->event = event;
7de0be65
MA		 477 evstate->data = data;
478 QINCREF(evstate->data);
a24712af 479 evstate->qdict = NULL;
dc599978 480 evstate->timer = timer_new_ns(event_clock_type,
a24712af
MA		 481 monitor_qapi_event_handler,
482 evstate);
483 g_hash_table_add(monitor_qapi_event_state, evstate);
b9b03ab0 484 timer_mod_ns(evstate->timer, now + evconf->rate);
afeecec2
DB		 485 }
486 }
93f8f982 487
d622cb58 488 qemu_mutex_unlock(&monitor_lock);
afeecec2
DB		 489}
490
afeecec2 491/*
b9b03ab0 492 * This function runs evconf->rate ns after sending a throttled
93f8f982
MA		 493 * event.
494 * If another event has since been stored, send it.
afeecec2 495 */
43a14cfc 496static void monitor_qapi_event_handler(void *opaque)
afeecec2 497{
43a14cfc 498 MonitorQAPIEventState *evstate = opaque;
b9b03ab0 499 MonitorQAPIEventConf *evconf = &monitor_qapi_event_conf[evstate->event];
afeecec2 500
93f8f982 501 trace_monitor_protocol_event_handler(evstate->event, evstate->qdict);
d622cb58 502 qemu_mutex_lock(&monitor_lock);
93f8f982 503
688b4b7d 504 if (evstate->qdict) {
dc599978 505 int64_t now = qemu_clock_get_ns(event_clock_type);
93f8f982 506
688b4b7d
MA		 507 monitor_qapi_event_emit(evstate->event, evstate->qdict);
508 QDECREF(evstate->qdict);
509 evstate->qdict = NULL;
b9b03ab0 510 timer_mod_ns(evstate->timer, now + evconf->rate);
a24712af
MA		 511 } else {
512 g_hash_table_remove(monitor_qapi_event_state, evstate);
7de0be65 513 QDECREF(evstate->data);
a24712af
MA		 514 timer_free(evstate->timer);
515 g_free(evstate);
afeecec2 516 }
93f8f982 517
d622cb58 518 qemu_mutex_unlock(&monitor_lock);
afeecec2
DB		 519}
520
a24712af 521static unsigned int qapi_event_throttle_hash(const void *key)
afeecec2 522{
a24712af 523 const MonitorQAPIEventState *evstate = key;
7de0be65 524 unsigned int hash = evstate->event * 255;
afeecec2 525
7de0be65
MA		 526 if (evstate->event == QAPI_EVENT_VSERPORT_CHANGE) {
527 hash += g_str_hash(qdict_get_str(evstate->data, "id"));
528 }
529
6d425eb9
AG		 530 if (evstate->event == QAPI_EVENT_QUORUM_REPORT_BAD) {
531 hash += g_str_hash(qdict_get_str(evstate->data, "node-name"));
532 }
533
7de0be65 534 return hash;
a24712af 535}
0d1ea871 536
a24712af
MA		 537static gboolean qapi_event_throttle_equal(const void *a, const void *b)
538{
539 const MonitorQAPIEventState *eva = a;
540 const MonitorQAPIEventState *evb = b;
541
7de0be65
MA		 542 if (eva->event != evb->event) {
543 return FALSE;
544 }
545
546 if (eva->event == QAPI_EVENT_VSERPORT_CHANGE) {
547 return !strcmp(qdict_get_str(eva->data, "id"),
548 qdict_get_str(evb->data, "id"));
549 }
550
6d425eb9
AG		 551 if (eva->event == QAPI_EVENT_QUORUM_REPORT_BAD) {
552 return !strcmp(qdict_get_str(eva->data, "node-name"),
553 qdict_get_str(evb->data, "node-name"));
554 }
555
7de0be65 556 return TRUE;
a24712af
MA		 557}
558
559static void monitor_qapi_event_init(void)
560{
dc599978
AG		 561 if (qtest_enabled()) {
562 event_clock_type = QEMU_CLOCK_VIRTUAL;
563 }
564
a24712af
MA		 565 monitor_qapi_event_state = g_hash_table_new(qapi_event_throttle_hash,
566 qapi_event_throttle_equal);
43a14cfc 567 qmp_event_set_func_emit(monitor_qapi_event_queue);
0d1ea871
LC		 568}
569
7ef6cf63 570static void handle_hmp_command(Monitor *mon, const char *cmdline);
0268d97c 571
b01fe89e
WX		 572static void monitor_data_init(Monitor *mon)
573{
574 memset(mon, 0, sizeof(Monitor));
6cff3e85 575 qemu_mutex_init(&mon->out_lock);
b01fe89e 576 mon->outbuf = qstring_new();
7717239d
WX		 577 /* Use *mon_cmds by default. */
578 mon->cmd_table = mon_cmds;
b01fe89e
WX		 579}
580
581static void monitor_data_destroy(Monitor *mon)
582{
c39860e6 583 qemu_chr_fe_deinit(&mon->chr);
2ef45716
MAL		 584 if (monitor_is_qmp(mon)) {
585 json_message_parser_destroy(&mon->qmp.parser);
586 }
587 g_free(mon->rs);
b01fe89e 588 QDECREF(mon->outbuf);
6cff3e85 589 qemu_mutex_destroy(&mon->out_lock);
b01fe89e
WX		 590}
591
d51a67b4
LC		 592char *qmp_human_monitor_command(const char *command_line, bool has_cpu_index,
593 int64_t cpu_index, Error **errp)
0268d97c 594{
d51a67b4 595 char *output = NULL;
0268d97c 596 Monitor *old_mon, hmp;
0268d97c 597
b01fe89e 598 monitor_data_init(&hmp);
48c043d0 599 hmp.skip_flush = true;
0268d97c
LC		 600
601 old_mon = cur_mon;
602 cur_mon = &hmp;
603
d51a67b4
LC		 604 if (has_cpu_index) {
605 int ret = monitor_set_cpu(cpu_index);
0268d97c
LC		 606 if (ret < 0) {
607 cur_mon = old_mon;
c6bd8c70
MA		 608 error_setg(errp, QERR_INVALID_PARAMETER_VALUE, "cpu-index",
609 "a CPU number");
0268d97c
LC		 610 goto out;
611 }
612 }
613
7ef6cf63 614 handle_hmp_command(&hmp, command_line);
0268d97c
LC		 615 cur_mon = old_mon;
616
6cff3e85 617 qemu_mutex_lock(&hmp.out_lock);
48c043d0
LC		 618 if (qstring_get_length(hmp.outbuf) > 0) {
619 output = g_strdup(qstring_get_str(hmp.outbuf));
d51a67b4
LC		 620 } else {
621 output = g_strdup("");
0268d97c 622 }
6cff3e85 623 qemu_mutex_unlock(&hmp.out_lock);
0268d97c
LC		 624
625out:
b01fe89e 626 monitor_data_destroy(&hmp);
d51a67b4 627 return output;
0268d97c
LC		 628}
629
9dc39cba
FB		 630static int compare_cmd(const char *name, const char *list)
631{
632 const char *p, *pstart;
633 int len;
634 len = strlen(name);
635 p = list;
636 for(;;) {
637 pstart = p;
638 p = strchr(p, '|');
639 if (!p)
640 p = pstart + strlen(pstart);
641 if ((p - pstart) == len && !memcmp(pstart, name, len))
642 return 1;
643 if (*p == '\0')
644 break;
645 p++;
646 }
647 return 0;
648}
649
f5438c05
WX		 650static int get_str(char *buf, int buf_size, const char **pp)
651{
652 const char *p;
653 char *q;
654 int c;
655
656 q = buf;
657 p = *pp;
658 while (qemu_isspace(*p)) {
659 p++;
660 }
661 if (*p == '\0') {
662 fail:
663 *q = '\0';
664 *pp = p;
665 return -1;
666 }
667 if (*p == '\"') {
668 p++;
669 while (*p != '\0' && *p != '\"') {
670 if (*p == '\\') {
671 p++;
672 c = *p++;
673 switch (c) {
674 case 'n':
675 c = '\n';
676 break;
677 case 'r':
678 c = '\r';
679 break;
680 case '\\':
681 case '\'':
682 case '\"':
683 break;
684 default:
71baf787 685 printf("unsupported escape code: '\\%c'\n", c);
f5438c05
WX		 686 goto fail;
687 }
688 if ((q - buf) < buf_size - 1) {
689 *q++ = c;
690 }
691 } else {
692 if ((q - buf) < buf_size - 1) {
693 *q++ = *p;
694 }
695 p++;
696 }
697 }
698 if (*p != '\"') {
71baf787 699 printf("unterminated string\n");
f5438c05
WX		 700 goto fail;
701 }
702 p++;
703 } else {
704 while (*p != '\0' && !qemu_isspace(*p)) {
705 if ((q - buf) < buf_size - 1) {
706 *q++ = *p;
707 }
708 p++;
709 }
710 }
711 *q = '\0';
712 *pp = p;
713 return 0;
714}
715
716#define MAX_ARGS 16
717
dcc70cdf
WX		 718static void free_cmdline_args(char **args, int nb_args)
719{
720 int i;
721
722 assert(nb_args <= MAX_ARGS);
723
724 for (i = 0; i < nb_args; i++) {
725 g_free(args[i]);
726 }
727
728}
729
730/*
731 * Parse the command line to get valid args.
732 * @cmdline: command line to be parsed.
733 * @pnb_args: location to store the number of args, must NOT be NULL.
734 * @args: location to store the args, which should be freed by caller, must
735 * NOT be NULL.
736 *
737 * Returns 0 on success, negative on failure.
738 *
739 * NOTE: this parser is an approximate form of the real command parser. Number
740 * of args have a limit of MAX_ARGS. If cmdline contains more, it will
741 * return with failure.
742 */
743static int parse_cmdline(const char *cmdline,
744 int *pnb_args, char **args)
f5438c05
WX		 745{
746 const char *p;
747 int nb_args, ret;
748 char buf[1024];
749
750 p = cmdline;
751 nb_args = 0;
752 for (;;) {
753 while (qemu_isspace(*p)) {
754 p++;
755 }
756 if (*p == '\0') {
757 break;
758 }
759 if (nb_args >= MAX_ARGS) {
dcc70cdf 760 goto fail;
f5438c05
WX		 761 }
762 ret = get_str(buf, sizeof(buf), &p);
f5438c05 763 if (ret < 0) {
dcc70cdf 764 goto fail;
f5438c05 765 }
dcc70cdf
WX		 766 args[nb_args] = g_strdup(buf);
767 nb_args++;
f5438c05
WX		 768 }
769 *pnb_args = nb_args;
dcc70cdf
WX		 770 return 0;
771
772 fail:
773 free_cmdline_args(args, nb_args);
774 return -1;
f5438c05
WX		 775}
776
66855495
WX		 777static void help_cmd_dump_one(Monitor *mon,
778 const mon_cmd_t *cmd,
779 char **prefix_args,
780 int prefix_args_nb)
781{
782 int i;
783
784 for (i = 0; i < prefix_args_nb; i++) {
785 monitor_printf(mon, "%s ", prefix_args[i]);
786 }
787 monitor_printf(mon, "%s %s -- %s\n", cmd->name, cmd->params, cmd->help);
788}
789
790/* @args[@arg_index] is the valid command need to find in @cmds */
c227f099 791static void help_cmd_dump(Monitor *mon, const mon_cmd_t *cmds,
66855495 792 char **args, int nb_args, int arg_index)
9dc39cba 793{
c227f099 794 const mon_cmd_t *cmd;
9dc39cba 795
66855495
WX		 796 /* No valid arg need to compare with, dump all in *cmds */
797 if (arg_index >= nb_args) {
798 for (cmd = cmds; cmd->name != NULL; cmd++) {
799 help_cmd_dump_one(mon, cmd, args, arg_index);
800 }
801 return;
802 }
803
804 /* Find one entry to dump */
805 for (cmd = cmds; cmd->name != NULL; cmd++) {
806 if (compare_cmd(args[arg_index], cmd->name)) {
807 if (cmd->sub_table) {
808 /* continue with next arg */
809 help_cmd_dump(mon, cmd->sub_table,
810 args, nb_args, arg_index + 1);
811 } else {
812 help_cmd_dump_one(mon, cmd, args, arg_index);
813 }
814 break;
815 }
9dc39cba
FB		 816 }
817}
818
376253ec 819static void help_cmd(Monitor *mon, const char *name)
9dc39cba 820{
66855495
WX		 821 char *args[MAX_ARGS];
822 int nb_args = 0;
823
824 /* 1. parse user input */
825 if (name) {
826 /* special case for log, directly dump and return */
827 if (!strcmp(name, "log")) {
38dad9e5 828 const QEMULogItem *item;
376253ec
AL		 829 monitor_printf(mon, "Log items (comma separated):\n");
830 monitor_printf(mon, "%-10s %s\n", "none", "remove all logs");
38dad9e5 831 for (item = qemu_log_items; item->mask != 0; item++) {
376253ec 832 monitor_printf(mon, "%-10s %s\n", item->name, item->help);
f193c797 833 }
66855495
WX		 834 return;
835 }
836
837 if (parse_cmdline(name, &nb_args, args) < 0) {
838 return;
f193c797 839 }
9dc39cba 840 }
66855495
WX		 841
842 /* 2. dump the contents according to parsed args */
843 help_cmd_dump(mon, mon->cmd_table, args, nb_args, 0);
844
845 free_cmdline_args(args, nb_args);
9dc39cba
FB		 846}
847
d54908a5 848static void do_help_cmd(Monitor *mon, const QDict *qdict)
38183186 849{
d54908a5 850 help_cmd(mon, qdict_get_try_str(qdict, "name"));
38183186
LC		 851}
852
3e5a50d6 853static void hmp_trace_event(Monitor *mon, const QDict *qdict)
22890ab5
PS		 854{
855 const char *tp_name = qdict_get_str(qdict, "name");
856 bool new_state = qdict_get_bool(qdict, "option");
77e2b172
LV		 857 bool has_vcpu = qdict_haskey(qdict, "vcpu");
858 int vcpu = qdict_get_try_int(qdict, "vcpu", 0);
14101d02 859 Error *local_err = NULL;
f871d689 860
77e2b172
LV		 861 if (vcpu < 0) {
862 monitor_printf(mon, "argument vcpu must be positive");
863 return;
864 }
865
866 qmp_trace_event_set_state(tp_name, new_state, true, true, has_vcpu, vcpu, &local_err);
14101d02 867 if (local_err) {
091e38b7 868 error_report_err(local_err);
f871d689 869 }
22890ab5 870}
c5ceb523 871
c45a8168 872#ifdef CONFIG_TRACE_SIMPLE
3e5a50d6 873static void hmp_trace_file(Monitor *mon, const QDict *qdict)
c5ceb523
SH		 874{
875 const char *op = qdict_get_try_str(qdict, "op");
876 const char *arg = qdict_get_try_str(qdict, "arg");
877
878 if (!op) {
879 st_print_trace_file_status((FILE *)mon, &monitor_fprintf);
880 } else if (!strcmp(op, "on")) {
881 st_set_trace_file_enabled(true);
882 } else if (!strcmp(op, "off")) {
883 st_set_trace_file_enabled(false);
884 } else if (!strcmp(op, "flush")) {
885 st_flush_trace_buffer();
886 } else if (!strcmp(op, "set")) {
887 if (arg) {
888 st_set_trace_file(arg);
889 }
890 } else {
891 monitor_printf(mon, "unexpected argument \"%s\"\n", op);
892 help_cmd(mon, "trace-file");
893 }
894}
22890ab5
PS		 895#endif
896
3e5a50d6 897static void hmp_info_help(Monitor *mon, const QDict *qdict)
9dc39cba 898{
13c7425e 899 help_cmd(mon, "info");
9dc39cba
FB		 900}
901
9e812b6a 902static void query_commands_cb(QmpCommand *cmd, void *opaque)
e3bba9d0 903{
9e812b6a 904 CommandInfoList *info, **list = opaque;
e3bba9d0 905
9e812b6a
MAL		 906 if (!cmd->enabled) {
907 return;
e3bba9d0
LC		 908 }
909
9e812b6a
MAL		 910 info = g_malloc0(sizeof(*info));
911 info->value = g_malloc0(sizeof(*info->value));
912 info->value->name = g_strdup(cmd->name);
913 info->next = *list;
914 *list = info;
915}
916
917CommandInfoList *qmp_query_commands(Error **errp)
918{
919 CommandInfoList *list = NULL;
920
635db18f 921 qmp_for_each_command(cur_mon->qmp.commands, query_commands_cb, &list);
9e812b6a
MAL		 922
923 return list;
a36e69dd
TS		 924}
925
4860853d
DB		 926EventInfoList *qmp_query_events(Error **errp)
927{
928 EventInfoList *info, *ev_list = NULL;
75175173 929 QAPIEvent e;
4860853d 930
7fb1cf16 931 for (e = 0 ; e < QAPI_EVENT__MAX ; e++) {
75175173 932 const char *event_name = QAPIEvent_lookup[e];
4860853d
DB		 933 assert(event_name != NULL);
934 info = g_malloc0(sizeof(*info));
935 info->value = g_malloc0(sizeof(*info->value));
936 info->value->name = g_strdup(event_name);
937
938 info->next = ev_list;
939 ev_list = info;
940 }
941
942 return ev_list;
943}
944
39a18158
MA		 945/*
946 * Minor hack: generated marshalling suppressed for this command
947 * ('gen': false in the schema) so we can parse the JSON string
948 * directly into QObject instead of first parsing it with
949 * visit_type_SchemaInfoList() into a SchemaInfoList, then marshal it
950 * to QObject with generated output marshallers, every time. Instead,
b3db211f 951 * we do it in test-qobject-input-visitor.c, just to make sure
39a18158
MA		 952 * qapi-introspect.py's output actually conforms to the schema.
953 */
954static void qmp_query_qmp_schema(QDict *qdict, QObject **ret_data,
955 Error **errp)
956{
b0f36b23 957 *ret_data = qobject_from_json(qmp_schema_json, &error_abort);
39a18158
MA		 958}
959
5032a16d 960/*
5032a16d
MAL		 961 * We used to define commands in qmp-commands.hx in addition to the
962 * QAPI schema. This permitted defining some of them only in certain
963 * configurations. query-commands has always reflected that (good,
964 * because it lets QMP clients figure out what's actually available),
965 * while query-qmp-schema never did (not so good). This function is a
966 * hack to keep the configuration-specific commands defined exactly as
967 * before, even though qmp-commands.hx is gone.
968 *
969 * FIXME Educate the QAPI schema on configuration-specific commands,
970 * and drop this hack.
971 */
972static void qmp_unregister_commands_hack(void)
973{
974#ifndef CONFIG_SPICE
1527badb 975 qmp_unregister_command(&qmp_commands, "query-spice");
5032a16d 976#endif
38bb54f3
MA		 977#ifndef CONFIG_REPLICATION
978 qmp_unregister_command(&qmp_commands, "xen-set-replication");
979 qmp_unregister_command(&qmp_commands, "query-xen-replication-status");
980 qmp_unregister_command(&qmp_commands, "xen-colo-do-checkpoint");
981#endif
5032a16d 982#ifndef TARGET_I386
1527badb 983 qmp_unregister_command(&qmp_commands, "rtc-reset-reinjection");
5032a16d
MAL		 984#endif
985#ifndef TARGET_S390X
1527badb 986 qmp_unregister_command(&qmp_commands, "dump-skeys");
5032a16d
MAL		 987#endif
988#ifndef TARGET_ARM
1527badb 989 qmp_unregister_command(&qmp_commands, "query-gic-capabilities");
5032a16d 990#endif
f99fd7ca 991#if !defined(TARGET_S390X) && !defined(TARGET_I386)
1527badb 992 qmp_unregister_command(&qmp_commands, "query-cpu-model-expansion");
f99fd7ca
EH		 993#endif
994#if !defined(TARGET_S390X)
1527badb
MA		 995 qmp_unregister_command(&qmp_commands, "query-cpu-model-baseline");
996 qmp_unregister_command(&qmp_commands, "query-cpu-model-comparison");
728b1429
EH		 997#endif
998#if !defined(TARGET_PPC) && !defined(TARGET_ARM) && !defined(TARGET_I386) \
999 && !defined(TARGET_S390X)
1527badb 1000 qmp_unregister_command(&qmp_commands, "query-cpu-definitions");
728b1429 1001#endif
5032a16d
MAL		 1002}
1003
05875687 1004void monitor_init_qmp_commands(void)
edcfaefe 1005{
635db18f
MA		 1006 /*
1007 * Two command lists:
1008 * - qmp_commands contains all QMP commands
1009 * - qmp_cap_negotiation_commands contains just
1010 * "qmp_capabilities", to enforce capability negotiation
1011 */
1012
1527badb 1013 qmp_init_marshal(&qmp_commands);
05875687 1014
1527badb
MA		 1015 qmp_register_command(&qmp_commands, "query-qmp-schema",
1016 qmp_query_qmp_schema,
edcfaefe 1017 QCO_NO_OPTIONS);
1527badb 1018 qmp_register_command(&qmp_commands, "device_add", qmp_device_add,
edcfaefe 1019 QCO_NO_OPTIONS);
1527badb 1020 qmp_register_command(&qmp_commands, "netdev_add", qmp_netdev_add,
edcfaefe 1021 QCO_NO_OPTIONS);
5032a16d 1022
05875687 1023 qmp_unregister_commands_hack();
635db18f
MA		 1024
1025 QTAILQ_INIT(&qmp_cap_negotiation_commands);
1026 qmp_register_command(&qmp_cap_negotiation_commands, "qmp_capabilities",
1027 qmp_marshal_qmp_capabilities, QCO_NO_OPTIONS);
1028}
1029
1030void qmp_qmp_capabilities(Error **errp)
1031{
1032 if (cur_mon->qmp.commands == &qmp_commands) {
1033 error_set(errp, ERROR_CLASS_COMMAND_NOT_FOUND,
1034 "Capabilities negotiation is already complete, command "
1035 "ignored");
1036 return;
1037 }
1038
1039 cur_mon->qmp.commands = &qmp_commands;
edcfaefe
MAL		 1040}
1041
b025c8b4
LC		 1042/* set the current CPU defined by the user */
1043int monitor_set_cpu(int cpu_index)
6a00d601 1044{
55e5c285 1045 CPUState *cpu;
6a00d601 1046
1c8bb3cc
AF		 1047 cpu = qemu_get_cpu(cpu_index);
1048 if (cpu == NULL) {
1049 return -1;
6a00d601 1050 }
cb446eca 1051 cur_mon->mon_cpu = cpu;
1c8bb3cc 1052 return 0;
6a00d601
FB		 1053}
1054
caf15319 1055CPUState *mon_get_cpu(void)
6a00d601 1056{
731b0364 1057 if (!cur_mon->mon_cpu) {
854e67fe
TH		 1058 if (!first_cpu) {
1059 return NULL;
1060 }
27a83f8e 1061 monitor_set_cpu(first_cpu->cpu_index);
6a00d601 1062 }
4c0960c0 1063 cpu_synchronize_state(cur_mon->mon_cpu);
5bcda5f7
PC		 1064 return cur_mon->mon_cpu;
1065}
1066
bf957284 1067CPUArchState *mon_get_cpu_env(void)
5bcda5f7 1068{
854e67fe
TH		 1069 CPUState *cs = mon_get_cpu();
1070
1071 return cs ? cs->env_ptr : NULL;
6a00d601
FB		 1072}
1073
99b7796f
LC		 1074int monitor_get_cpu_index(void)
1075{
854e67fe
TH		 1076 CPUState *cs = mon_get_cpu();
1077
1078 return cs ? cs->cpu_index : UNASSIGNED_CPU_INDEX;
99b7796f
LC		 1079}
1080
1ce6be24 1081static void hmp_info_registers(Monitor *mon, const QDict *qdict)
9307c4c1 1082{
854e67fe
TH		 1083 CPUState *cs = mon_get_cpu();
1084
1085 if (!cs) {
1086 monitor_printf(mon, "No CPU available\n");
1087 return;
1088 }
1089 cpu_dump_state(cs, (FILE *)mon, monitor_fprintf, CPU_DUMP_FPU);
9307c4c1
FB		 1090}
1091
1ce6be24 1092static void hmp_info_jit(Monitor *mon, const QDict *qdict)
e3db7226 1093{
b7da97ee
TH		 1094 if (!tcg_enabled()) {
1095 error_report("JIT information is only available with accel=tcg");
1096 return;
1097 }
1098
376253ec 1099 dump_exec_info((FILE *)mon, monitor_fprintf);
27498bef 1100 dump_drift_info((FILE *)mon, monitor_fprintf);
e3db7226
FB		 1101}
1102
1ce6be24 1103static void hmp_info_opcount(Monitor *mon, const QDict *qdict)
246ae24d
MF		 1104{
1105 dump_opcount_info((FILE *)mon, monitor_fprintf);
1106}
1107
1ce6be24 1108static void hmp_info_history(Monitor *mon, const QDict *qdict)
aa455485
FB		 1109{
1110 int i;
7e2515e8 1111 const char *str;
3b46e624 1112
cde76ee1
AL		 1113 if (!mon->rs)
1114 return;
7e2515e8
FB		 1115 i = 0;
1116 for(;;) {
731b0364 1117 str = readline_get_history(mon->rs, i);
7e2515e8
FB		 1118 if (!str)
1119 break;
376253ec 1120 monitor_printf(mon, "%d: '%s'\n", i, str);
8e3a9fd2 1121 i++;
aa455485
FB		 1122 }
1123}
1124
1ce6be24 1125static void hmp_info_cpustats(Monitor *mon, const QDict *qdict)
76a66253 1126{
854e67fe
TH		 1127 CPUState *cs = mon_get_cpu();
1128
1129 if (!cs) {
1130 monitor_printf(mon, "No CPU available\n");
1131 return;
1132 }
1133 cpu_dump_statistics(cs, (FILE *)mon, &monitor_fprintf, 0);
76a66253 1134}
76a66253 1135
1ce6be24 1136static void hmp_info_trace_events(Monitor *mon, const QDict *qdict)
22890ab5 1137{
bd71211d 1138 const char *name = qdict_get_try_str(qdict, "name");
77e2b172
LV		 1139 bool has_vcpu = qdict_haskey(qdict, "vcpu");
1140 int vcpu = qdict_get_try_int(qdict, "vcpu", 0);
bd71211d 1141 TraceEventInfoList *events;
14101d02 1142 TraceEventInfoList *elem;
bd71211d
LV		 1143 Error *local_err = NULL;
1144
1145 if (name == NULL) {
1146 name = "*";
1147 }
77e2b172
LV		 1148 if (vcpu < 0) {
1149 monitor_printf(mon, "argument vcpu must be positive");
1150 return;
1151 }
bd71211d 1152
77e2b172 1153 events = qmp_trace_event_get_state(name, has_vcpu, vcpu, &local_err);
bd71211d
LV		 1154 if (local_err) {
1155 error_report_err(local_err);
1156 return;
1157 }
14101d02
LV		 1158
1159 for (elem = events; elem != NULL; elem = elem->next) {
1160 monitor_printf(mon, "%s : state %u\n",
1161 elem->value->name,
1162 elem->value->state == TRACE_EVENT_STATE_ENABLED ? 1 : 0);
1163 }
1164 qapi_free_TraceEventInfoList(events);
22890ab5 1165}
22890ab5 1166
b8a185bc
MA		 1167void qmp_client_migrate_info(const char *protocol, const char *hostname,
1168 bool has_port, int64_t port,
1169 bool has_tls_port, int64_t tls_port,
1170 bool has_cert_subject, const char *cert_subject,
1171 Error **errp)
e866e239 1172{
e866e239 1173 if (strcmp(protocol, "spice") == 0) {
b8a185bc
MA		 1174 if (!qemu_using_spice(errp)) {
1175 return;
e866e239
GH		 1176 }
1177
b8a185bc 1178 if (!has_port && !has_tls_port) {
c6bd8c70 1179 error_setg(errp, QERR_MISSING_PARAMETER, "port/tls-port");
b8a185bc 1180 return;
6ec5dae5
YH		 1181 }
1182
b8a185bc
MA		 1183 if (qemu_spice_migrate_info(hostname,
1184 has_port ? port : -1,
1185 has_tls_port ? tls_port : -1,
1186 cert_subject)) {
c6bd8c70 1187 error_setg(errp, QERR_UNDEFINED_ERROR);
b8a185bc 1188 return;
e866e239 1189 }
b8a185bc 1190 return;
e866e239
GH		 1191 }
1192
c6bd8c70 1193 error_setg(errp, QERR_INVALID_PARAMETER_VALUE, "protocol", "spice");
e866e239
GH		 1194}
1195
3e5a50d6 1196static void hmp_logfile(Monitor *mon, const QDict *qdict)
e735b91c 1197{
daa76aa4
MA		 1198 Error *err = NULL;
1199
1200 qemu_set_log_filename(qdict_get_str(qdict, "filename"), &err);
1201 if (err) {
1202 error_report_err(err);
1203 }
e735b91c
PB		 1204}
1205
3e5a50d6 1206static void hmp_log(Monitor *mon, const QDict *qdict)
f193c797
FB		 1207{
1208 int mask;
d54908a5 1209 const char *items = qdict_get_str(qdict, "items");
3b46e624 1210
9307c4c1 1211 if (!strcmp(items, "none")) {
f193c797
FB		 1212 mask = 0;
1213 } else {
4fde1eba 1214 mask = qemu_str_to_log_mask(items);
f193c797 1215 if (!mask) {
376253ec 1216 help_cmd(mon, "log");
f193c797
FB		 1217 return;
1218 }
1219 }
24537a01 1220 qemu_set_log(mask);
f193c797
FB		 1221}
1222
3e5a50d6 1223static void hmp_singlestep(Monitor *mon, const QDict *qdict)
1b530a6d 1224{
d54908a5 1225 const char *option = qdict_get_try_str(qdict, "option");
1b530a6d
AJ		 1226 if (!option || !strcmp(option, "on")) {
1227 singlestep = 1;
1228 } else if (!strcmp(option, "off")) {
1229 singlestep = 0;
1230 } else {
1231 monitor_printf(mon, "unexpected option %s\n", option);
1232 }
1233}
1234
3e5a50d6 1235static void hmp_gdbserver(Monitor *mon, const QDict *qdict)
59030a8c 1236{
d54908a5 1237 const char *device = qdict_get_try_str(qdict, "device");
59030a8c
AL		 1238 if (!device)
1239 device = "tcp::" DEFAULT_GDBSTUB_PORT;
1240 if (gdbserver_start(device) < 0) {
1241 monitor_printf(mon, "Could not open gdbserver on device '%s'\n",
1242 device);
1243 } else if (strcmp(device, "none") == 0) {
36556b20 1244 monitor_printf(mon, "Disabled gdbserver\n");
8a7ddc38 1245 } else {
59030a8c
AL		 1246 monitor_printf(mon, "Waiting for gdb connection on device '%s'\n",
1247 device);
8a7ddc38
FB		 1248 }
1249}
1250
3e5a50d6 1251static void hmp_watchdog_action(Monitor *mon, const QDict *qdict)
9dd986cc 1252{
d54908a5 1253 const char *action = qdict_get_str(qdict, "action");
9dd986cc
RJ		 1254 if (select_watchdog_action(action) == -1) {
1255 monitor_printf(mon, "Unknown watchdog action '%s'\n", action);
1256 }
1257}
1258
376253ec 1259static void monitor_printc(Monitor *mon, int c)
9307c4c1 1260{
376253ec 1261 monitor_printf(mon, "'");
9307c4c1
FB		 1262 switch(c) {
1263 case '\'':
376253ec 1264 monitor_printf(mon, "\\'");
9307c4c1
FB		 1265 break;
1266 case '\\':
376253ec 1267 monitor_printf(mon, "\\\\");
9307c4c1
FB		 1268 break;
1269 case '\n':
376253ec 1270 monitor_printf(mon, "\\n");
9307c4c1
FB		 1271 break;
1272 case '\r':
376253ec 1273 monitor_printf(mon, "\\r");
9307c4c1
FB		 1274 break;
1275 default:
1276 if (c >= 32 && c <= 126) {
376253ec 1277 monitor_printf(mon, "%c", c);
9307c4c1 1278 } else {
376253ec 1279 monitor_printf(mon, "\\x%02x", c);
9307c4c1
FB		 1280 }
1281 break;
1282 }
376253ec 1283 monitor_printf(mon, "'");
9307c4c1
FB		 1284}
1285
376253ec 1286static void memory_dump(Monitor *mon, int count, int format, int wsize,
a8170e5e 1287 hwaddr addr, int is_physical)
9307c4c1 1288{
23842aab 1289 int l, line_size, i, max_digits, len;
9307c4c1
FB		 1290 uint8_t buf[16];
1291 uint64_t v;
854e67fe
TH		 1292 CPUState *cs = mon_get_cpu();
1293
1294 if (!cs && (format == 'i' || !is_physical)) {
1295 monitor_printf(mon, "Can not dump without CPU\n");
1296 return;
1297 }
9307c4c1
FB		 1298
1299 if (format == 'i') {
5bcda5f7 1300 int flags = 0;
9307c4c1 1301#ifdef TARGET_I386
5bcda5f7 1302 CPUArchState *env = mon_get_cpu_env();
4c27ba27 1303 if (wsize == 2) {
9307c4c1 1304 flags = 1;
4c27ba27
FB		 1305 } else if (wsize == 4) {
1306 flags = 0;
1307 } else {
6a15fd12 1308 /* as default we use the current CS size */
4c27ba27 1309 flags = 0;
6a15fd12
FB		 1310 if (env) {
1311#ifdef TARGET_X86_64
5fafdf24 1312 if ((env->efer & MSR_EFER_LMA) &&
6a15fd12
FB		 1313 (env->segs[R_CS].flags & DESC_L_MASK))
1314 flags = 2;
1315 else
1316#endif
1317 if (!(env->segs[R_CS].flags & DESC_B_MASK))
1318 flags = 1;
1319 }
4c27ba27 1320 }
1c38f843
TM		 1321#endif
1322#ifdef TARGET_PPC
5bcda5f7 1323 CPUArchState *env = mon_get_cpu_env();
1c38f843
TM		 1324 flags = msr_le << 16;
1325 flags |= env->bfd_mach;
4c27ba27 1326#endif
854e67fe 1327 monitor_disas(mon, cs, addr, count, is_physical, flags);
9307c4c1
FB		 1328 return;
1329 }
1330
1331 len = wsize * count;
1332 if (wsize == 1)
1333 line_size = 8;
1334 else
1335 line_size = 16;
9307c4c1
FB		 1336 max_digits = 0;
1337
1338 switch(format) {
1339 case 'o':
1340 max_digits = (wsize * 8 + 2) / 3;
1341 break;
1342 default:
1343 case 'x':
1344 max_digits = (wsize * 8) / 4;
1345 break;
1346 case 'u':
1347 case 'd':
1348 max_digits = (wsize * 8 * 10 + 32) / 33;
1349 break;
1350 case 'c':
1351 wsize = 1;
1352 break;
1353 }
1354
1355 while (len > 0) {
7743e588 1356 if (is_physical)
376253ec 1357 monitor_printf(mon, TARGET_FMT_plx ":", addr);
7743e588 1358 else
376253ec 1359 monitor_printf(mon, TARGET_FMT_lx ":", (target_ulong)addr);
9307c4c1
FB		 1360 l = len;
1361 if (l > line_size)
1362 l = line_size;
1363 if (is_physical) {
54f7b4a3 1364 cpu_physical_memory_read(addr, buf, l);
9307c4c1 1365 } else {
854e67fe 1366 if (cpu_memory_rw_debug(cs, addr, buf, l, 0) < 0) {
376253ec 1367 monitor_printf(mon, " Cannot access memory\n");
c8f79b67
AL		 1368 break;
1369 }
9307c4c1 1370 }
5fafdf24 1371 i = 0;
9307c4c1
FB		 1372 while (i < l) {
1373 switch(wsize) {
1374 default:
1375 case 1:
24e60305 1376 v = ldub_p(buf + i);
9307c4c1
FB		 1377 break;
1378 case 2:
24e60305 1379 v = lduw_p(buf + i);
9307c4c1
FB		 1380 break;
1381 case 4:
24e60305 1382 v = (uint32_t)ldl_p(buf + i);
9307c4c1
FB		 1383 break;
1384 case 8:
24e60305 1385 v = ldq_p(buf + i);
9307c4c1
FB		 1386 break;
1387 }
376253ec 1388 monitor_printf(mon, " ");
9307c4c1
FB		 1389 switch(format) {
1390 case 'o':
376253ec 1391 monitor_printf(mon, "%#*" PRIo64, max_digits, v);
9307c4c1
FB		 1392 break;
1393 case 'x':
376253ec 1394 monitor_printf(mon, "0x%0*" PRIx64, max_digits, v);
9307c4c1
FB		 1395 break;
1396 case 'u':
376253ec 1397 monitor_printf(mon, "%*" PRIu64, max_digits, v);
9307c4c1
FB		 1398 break;
1399 case 'd':
376253ec 1400 monitor_printf(mon, "%*" PRId64, max_digits, v);
9307c4c1
FB		 1401 break;
1402 case 'c':
376253ec 1403 monitor_printc(mon, v);
9307c4c1
FB		 1404 break;
1405 }
1406 i += wsize;
1407 }
376253ec 1408 monitor_printf(mon, "\n");
9307c4c1
FB		 1409 addr += l;
1410 len -= l;
1411 }
1412}
1413
3e5a50d6 1414static void hmp_memory_dump(Monitor *mon, const QDict *qdict)
9307c4c1 1415{
1bd1442e
LC		 1416 int count = qdict_get_int(qdict, "count");
1417 int format = qdict_get_int(qdict, "format");
1418 int size = qdict_get_int(qdict, "size");
1419 target_long addr = qdict_get_int(qdict, "addr");
1420
376253ec 1421 memory_dump(mon, count, format, size, addr, 0);
9307c4c1
FB		 1422}
1423
3e5a50d6 1424static void hmp_physical_memory_dump(Monitor *mon, const QDict *qdict)
9307c4c1 1425{
1bd1442e
LC		 1426 int count = qdict_get_int(qdict, "count");
1427 int format = qdict_get_int(qdict, "format");
1428 int size = qdict_get_int(qdict, "size");
a8170e5e 1429 hwaddr addr = qdict_get_int(qdict, "addr");
1bd1442e 1430
376253ec 1431 memory_dump(mon, count, format, size, addr, 1);
9307c4c1
FB		 1432}
1433
e9628441
PB		 1434static void *gpa2hva(MemoryRegion **p_mr, hwaddr addr, Error **errp)
1435{
1436 MemoryRegionSection mrs = memory_region_find(get_system_memory(),
1437 addr, 1);
1438
1439 if (!mrs.mr) {
1440 error_setg(errp, "No memory is mapped at address 0x%" HWADDR_PRIx, addr);
1441 return NULL;
1442 }
1443
1444 if (!memory_region_is_ram(mrs.mr) && !memory_region_is_romd(mrs.mr)) {
1445 error_setg(errp, "Memory at address 0x%" HWADDR_PRIx "is not RAM", addr);
1446 memory_region_unref(mrs.mr);
1447 return NULL;
1448 }
1449
1450 *p_mr = mrs.mr;
1451 return qemu_map_ram_ptr(mrs.mr->ram_block, mrs.offset_within_region);
1452}
1453
1454static void hmp_gpa2hva(Monitor *mon, const QDict *qdict)
1455{
1456 hwaddr addr = qdict_get_int(qdict, "addr");
1457 Error *local_err = NULL;
1458 MemoryRegion *mr = NULL;
1459 void *ptr;
1460
1461 ptr = gpa2hva(&mr, addr, &local_err);
1462 if (local_err) {
1463 error_report_err(local_err);
1464 return;
1465 }
1466
1467 monitor_printf(mon, "Host virtual address for 0x%" HWADDR_PRIx
1468 " (%s) is %p\n",
1469 addr, mr->name, ptr);
1470
1471 memory_region_unref(mr);
1472}
1473
1474#ifdef CONFIG_LINUX
1475static uint64_t vtop(void *ptr, Error **errp)
1476{
1477 uint64_t pinfo;
1478 uint64_t ret = -1;
1479 uintptr_t addr = (uintptr_t) ptr;
1480 uintptr_t pagesize = getpagesize();
1481 off_t offset = addr / pagesize * sizeof(pinfo);
1482 int fd;
1483
1484 fd = open("/proc/self/pagemap", O_RDONLY);
1485 if (fd == -1) {
1486 error_setg_errno(errp, errno, "Cannot open /proc/self/pagemap");
1487 return -1;
1488 }
1489
1490 /* Force copy-on-write if necessary. */
1491 atomic_add((uint8_t *)ptr, 0);
1492
1493 if (pread(fd, &pinfo, sizeof(pinfo), offset) != sizeof(pinfo)) {
1494 error_setg_errno(errp, errno, "Cannot read pagemap");
1495 goto out;
1496 }
1497 if ((pinfo & (1ull << 63)) == 0) {
1498 error_setg(errp, "Page not present");
1499 goto out;
1500 }
1501 ret = ((pinfo & 0x007fffffffffffffull) * pagesize) | (addr & (pagesize - 1));
1502
1503out:
1504 close(fd);
1505 return ret;
1506}
1507
1508static void hmp_gpa2hpa(Monitor *mon, const QDict *qdict)
1509{
1510 hwaddr addr = qdict_get_int(qdict, "addr");
1511 Error *local_err = NULL;
1512 MemoryRegion *mr = NULL;
1513 void *ptr;
1514 uint64_t physaddr;
1515
1516 ptr = gpa2hva(&mr, addr, &local_err);
1517 if (local_err) {
1518 error_report_err(local_err);
1519 return;
1520 }
1521
1522 physaddr = vtop(ptr, &local_err);
1523 if (local_err) {
1524 error_report_err(local_err);
1525 } else {
1526 monitor_printf(mon, "Host physical address for 0x%" HWADDR_PRIx
1527 " (%s) is 0x%" PRIx64 "\n",
1528 addr, mr->name, (uint64_t) physaddr);
1529 }
1530
1531 memory_region_unref(mr);
1532}
1533#endif
1534
1bd1442e 1535static void do_print(Monitor *mon, const QDict *qdict)
9307c4c1 1536{
1bd1442e 1537 int format = qdict_get_int(qdict, "format");
a8170e5e 1538 hwaddr val = qdict_get_int(qdict, "val");
1bd1442e 1539
9307c4c1
FB		 1540 switch(format) {
1541 case 'o':
a8170e5e 1542 monitor_printf(mon, "%#" HWADDR_PRIo, val);
9307c4c1
FB		 1543 break;
1544 case 'x':
a8170e5e 1545 monitor_printf(mon, "%#" HWADDR_PRIx, val);
9307c4c1
FB		 1546 break;
1547 case 'u':
a8170e5e 1548 monitor_printf(mon, "%" HWADDR_PRIu, val);
9307c4c1
FB		 1549 break;
1550 default:
1551 case 'd':
a8170e5e 1552 monitor_printf(mon, "%" HWADDR_PRId, val);
9307c4c1
FB		 1553 break;
1554 case 'c':
376253ec 1555 monitor_printc(mon, val);
9307c4c1
FB		 1556 break;
1557 }
376253ec 1558 monitor_printf(mon, "\n");
9307c4c1
FB		 1559}
1560
3e5a50d6 1561static void hmp_sum(Monitor *mon, const QDict *qdict)
e4cf1adc
FB		 1562{
1563 uint32_t addr;
e4cf1adc 1564 uint16_t sum;
f18c16de
LC		 1565 uint32_t start = qdict_get_int(qdict, "start");
1566 uint32_t size = qdict_get_int(qdict, "size");
e4cf1adc
FB		 1567
1568 sum = 0;
1569 for(addr = start; addr < (start + size); addr++) {
42874d3a
PM		 1570 uint8_t val = address_space_ldub(&address_space_memory, addr,
1571 MEMTXATTRS_UNSPECIFIED, NULL);
e4cf1adc
FB		 1572 /* BSD sum algorithm ('sum' Unix command) */
1573 sum = (sum >> 1) | (sum << 15);
54f7b4a3 1574 sum += val;
e4cf1adc 1575 }
376253ec 1576 monitor_printf(mon, "%05d\n", sum);
e4cf1adc
FB		 1577}
1578
13224a87
FB		 1579static int mouse_button_state;
1580
3e5a50d6 1581static void hmp_mouse_move(Monitor *mon, const QDict *qdict)
13224a87 1582{
c751a74a 1583 int dx, dy, dz, button;
1d4daa91
LC		 1584 const char *dx_str = qdict_get_str(qdict, "dx_str");
1585 const char *dy_str = qdict_get_str(qdict, "dy_str");
1586 const char *dz_str = qdict_get_try_str(qdict, "dz_str");
c751a74a 1587
13224a87
FB		 1588 dx = strtol(dx_str, NULL, 0);
1589 dy = strtol(dy_str, NULL, 0);
c751a74a
GH		 1590 qemu_input_queue_rel(NULL, INPUT_AXIS_X, dx);
1591 qemu_input_queue_rel(NULL, INPUT_AXIS_Y, dy);
1592
1593 if (dz_str) {
13224a87 1594 dz = strtol(dz_str, NULL, 0);
c751a74a 1595 if (dz != 0) {
f22d0af0 1596 button = (dz > 0) ? INPUT_BUTTON_WHEEL_UP : INPUT_BUTTON_WHEEL_DOWN;
c751a74a
GH		 1597 qemu_input_queue_btn(NULL, button, true);
1598 qemu_input_event_sync();
1599 qemu_input_queue_btn(NULL, button, false);
1600 }
1601 }
1602 qemu_input_event_sync();
13224a87
FB		 1603}
1604
3e5a50d6 1605static void hmp_mouse_button(Monitor *mon, const QDict *qdict)
13224a87 1606{
7fb1cf16 1607 static uint32_t bmap[INPUT_BUTTON__MAX] = {
c751a74a
GH		 1608 [INPUT_BUTTON_LEFT] = MOUSE_EVENT_LBUTTON,
1609 [INPUT_BUTTON_MIDDLE] = MOUSE_EVENT_MBUTTON,
1610 [INPUT_BUTTON_RIGHT] = MOUSE_EVENT_RBUTTON,
1611 };
d54908a5 1612 int button_state = qdict_get_int(qdict, "button_state");
c751a74a
GH		 1613
1614 if (mouse_button_state == button_state) {
1615 return;
1616 }
1617 qemu_input_update_buttons(NULL, bmap, mouse_button_state, button_state);
1618 qemu_input_event_sync();
13224a87 1619 mouse_button_state = button_state;
13224a87
FB		 1620}
1621
3e5a50d6 1622static void hmp_ioport_read(Monitor *mon, const QDict *qdict)
3440557b 1623{
aa93e39c
LC		 1624 int size = qdict_get_int(qdict, "size");
1625 int addr = qdict_get_int(qdict, "addr");
1626 int has_index = qdict_haskey(qdict, "index");
3440557b
FB		 1627 uint32_t val;
1628 int suffix;
1629
1630 if (has_index) {
aa93e39c 1631 int index = qdict_get_int(qdict, "index");
afcea8cb 1632 cpu_outb(addr & IOPORTS_MASK, index & 0xff);
3440557b
FB		 1633 addr++;
1634 }
1635 addr &= 0xffff;
1636
1637 switch(size) {
1638 default:
1639 case 1:
afcea8cb 1640 val = cpu_inb(addr);
3440557b
FB		 1641 suffix = 'b';
1642 break;
1643 case 2:
afcea8cb 1644 val = cpu_inw(addr);
3440557b
FB		 1645 suffix = 'w';
1646 break;
1647 case 4:
afcea8cb 1648 val = cpu_inl(addr);
3440557b
FB		 1649 suffix = 'l';
1650 break;
1651 }
376253ec
AL		 1652 monitor_printf(mon, "port%c[0x%04x] = %#0*x\n",
1653 suffix, addr, size * 2, val);
3440557b 1654}
a3a91a35 1655
3e5a50d6 1656static void hmp_ioport_write(Monitor *mon, const QDict *qdict)
f114784f 1657{
1bd1442e
LC		 1658 int size = qdict_get_int(qdict, "size");
1659 int addr = qdict_get_int(qdict, "addr");
1660 int val = qdict_get_int(qdict, "val");
1661
f114784f
JK		 1662 addr &= IOPORTS_MASK;
1663
1664 switch (size) {
1665 default:
1666 case 1:
afcea8cb 1667 cpu_outb(addr, val);
f114784f
JK		 1668 break;
1669 case 2:
afcea8cb 1670 cpu_outw(addr, val);
f114784f
JK		 1671 break;
1672 case 4:
afcea8cb 1673 cpu_outl(addr, val);
f114784f
JK		 1674 break;
1675 }
1676}
1677
3e5a50d6 1678static void hmp_boot_set(Monitor *mon, const QDict *qdict)
0ecdffbb 1679{
f1839938 1680 Error *local_err = NULL;
d54908a5 1681 const char *bootdevice = qdict_get_str(qdict, "bootdevice");
0ecdffbb 1682
f1839938
GA		 1683 qemu_boot_set(bootdevice, &local_err);
1684 if (local_err) {
193227f9 1685 error_report_err(local_err);
0ecdffbb 1686 } else {
f1839938 1687 monitor_printf(mon, "boot device list now set to %s\n", bootdevice);
0ecdffbb
AJ		 1688 }
1689}
1690
1ce6be24 1691static void hmp_info_mtree(Monitor *mon, const QDict *qdict)
314e2987 1692{
57bb40c9
PX		 1693 bool flatview = qdict_get_try_bool(qdict, "flatview", false);
1694
1695 mtree_info((fprintf_function)monitor_printf, mon, flatview);
314e2987
BS		 1696}
1697
1ce6be24 1698static void hmp_info_numa(Monitor *mon, const QDict *qdict)
030ea37b 1699{
b28b6230 1700 int i;
1b1ed8dc 1701 CPUState *cpu;
5b009e40 1702 uint64_t *node_mem;
030ea37b 1703
5b009e40
HZ		 1704 node_mem = g_new0(uint64_t, nb_numa_nodes);
1705 query_numa_node_mem(node_mem);
030ea37b
AL		 1706 monitor_printf(mon, "%d nodes\n", nb_numa_nodes);
1707 for (i = 0; i < nb_numa_nodes; i++) {
1708 monitor_printf(mon, "node %d cpus:", i);
bdc44640 1709 CPU_FOREACH(cpu) {
1b1ed8dc 1710 if (cpu->numa_node == i) {
55e5c285 1711 monitor_printf(mon, " %d", cpu->cpu_index);
030ea37b
AL		 1712 }
1713 }
1714 monitor_printf(mon, "\n");
1715 monitor_printf(mon, "node %d size: %" PRId64 " MB\n", i,
5b009e40 1716 node_mem[i] >> 20);
030ea37b 1717 }
5b009e40 1718 g_free(node_mem);
030ea37b
AL		 1719}
1720
5f1ce948
FB		 1721#ifdef CONFIG_PROFILER
1722
89d5cbdd 1723int64_t tcg_time;
e9a6625e
AJ		 1724int64_t dev_time;
1725
1ce6be24 1726static void hmp_info_profile(Monitor *mon, const QDict *qdict)
5f1ce948 1727{
376253ec 1728 monitor_printf(mon, "async time %" PRId64 " (%0.3f)\n",
73bcb24d 1729 dev_time, dev_time / (double)NANOSECONDS_PER_SECOND);
376253ec 1730 monitor_printf(mon, "qemu time %" PRId64 " (%0.3f)\n",
73bcb24d 1731 tcg_time, tcg_time / (double)NANOSECONDS_PER_SECOND);
89d5cbdd 1732 tcg_time = 0;
5f1ce948 1733 dev_time = 0;
5f1ce948
FB		 1734}
1735#else
1ce6be24 1736static void hmp_info_profile(Monitor *mon, const QDict *qdict)
5f1ce948 1737{
376253ec 1738 monitor_printf(mon, "Internal profiler not compiled\n");
5f1ce948
FB		 1739}
1740#endif
1741
ec36b695 1742/* Capture support */
72cf2d4f 1743static QLIST_HEAD (capture_list_head, CaptureState) capture_head;
ec36b695 1744
1ce6be24 1745static void hmp_info_capture(Monitor *mon, const QDict *qdict)
ec36b695
FB		 1746{
1747 int i;
1748 CaptureState *s;
1749
1750 for (s = capture_head.lh_first, i = 0; s; s = s->entries.le_next, ++i) {
376253ec 1751 monitor_printf(mon, "[%d]: ", i);
ec36b695
FB		 1752 s->ops.info (s->opaque);
1753 }
1754}
1755
3e5a50d6 1756static void hmp_stopcapture(Monitor *mon, const QDict *qdict)
ec36b695
FB		 1757{
1758 int i;
d54908a5 1759 int n = qdict_get_int(qdict, "n");
ec36b695
FB		 1760 CaptureState *s;
1761
1762 for (s = capture_head.lh_first, i = 0; s; s = s->entries.le_next, ++i) {
1763 if (i == n) {
1764 s->ops.destroy (s->opaque);
72cf2d4f 1765 QLIST_REMOVE (s, entries);
7267c094 1766 g_free (s);
ec36b695
FB		 1767 return;
1768 }
1769 }
1770}
1771
3e5a50d6 1772static void hmp_wavcapture(Monitor *mon, const QDict *qdict)
c1925484
LC		 1773{
1774 const char *path = qdict_get_str(qdict, "path");
1775 int has_freq = qdict_haskey(qdict, "freq");
1776 int freq = qdict_get_try_int(qdict, "freq", -1);
1777 int has_bits = qdict_haskey(qdict, "bits");
1778 int bits = qdict_get_try_int(qdict, "bits", -1);
1779 int has_channels = qdict_haskey(qdict, "nchannels");
1780 int nchannels = qdict_get_try_int(qdict, "nchannels", -1);
ec36b695
FB		 1781 CaptureState *s;
1782
7267c094 1783 s = g_malloc0 (sizeof (*s));
ec36b695
FB		 1784
1785 freq = has_freq ? freq : 44100;
1786 bits = has_bits ? bits : 16;
1787 nchannels = has_channels ? nchannels : 2;
1788
1789 if (wav_start_capture (s, path, freq, bits, nchannels)) {
d00b2618 1790 monitor_printf(mon, "Failed to add wave capture\n");
7267c094 1791 g_free (s);
d00b2618 1792 return;
ec36b695 1793 }
72cf2d4f 1794 QLIST_INSERT_HEAD (&capture_head, s, entries);
ec36b695 1795}
ec36b695 1796
15dfcd45 1797static qemu_acl *find_acl(Monitor *mon, const char *name)
76655d6d 1798{
15dfcd45 1799 qemu_acl *acl = qemu_acl_find(name);
76655d6d 1800
76655d6d 1801 if (!acl) {
15dfcd45 1802 monitor_printf(mon, "acl: unknown list '%s'\n", name);
76655d6d 1803 }
15dfcd45
JK		 1804 return acl;
1805}
1806
3e5a50d6 1807static void hmp_acl_show(Monitor *mon, const QDict *qdict)
15dfcd45 1808{
d54908a5 1809 const char *aclname = qdict_get_str(qdict, "aclname");
15dfcd45
JK		 1810 qemu_acl *acl = find_acl(mon, aclname);
1811 qemu_acl_entry *entry;
1812 int i = 0;
76655d6d 1813
15dfcd45 1814 if (acl) {
28a76be8 1815 monitor_printf(mon, "policy: %s\n",
76655d6d 1816 acl->defaultDeny ? "deny" : "allow");
72cf2d4f 1817 QTAILQ_FOREACH(entry, &acl->entries, next) {
28a76be8
AL		 1818 i++;
1819 monitor_printf(mon, "%d: %s %s\n", i,
15dfcd45 1820 entry->deny ? "deny" : "allow", entry->match);
28a76be8 1821 }
15dfcd45
JK		 1822 }
1823}
1824
3e5a50d6 1825static void hmp_acl_reset(Monitor *mon, const QDict *qdict)
15dfcd45 1826{
d54908a5 1827 const char *aclname = qdict_get_str(qdict, "aclname");
15dfcd45
JK		 1828 qemu_acl *acl = find_acl(mon, aclname);
1829
1830 if (acl) {
28a76be8
AL		 1831 qemu_acl_reset(acl);
1832 monitor_printf(mon, "acl: removed all rules\n");
15dfcd45
JK		 1833 }
1834}
1835
3e5a50d6 1836static void hmp_acl_policy(Monitor *mon, const QDict *qdict)
15dfcd45 1837{
f18c16de
LC		 1838 const char *aclname = qdict_get_str(qdict, "aclname");
1839 const char *policy = qdict_get_str(qdict, "policy");
15dfcd45 1840 qemu_acl *acl = find_acl(mon, aclname);
28a76be8 1841
15dfcd45
JK		 1842 if (acl) {
1843 if (strcmp(policy, "allow") == 0) {
28a76be8
AL		 1844 acl->defaultDeny = 0;
1845 monitor_printf(mon, "acl: policy set to 'allow'\n");
15dfcd45 1846 } else if (strcmp(policy, "deny") == 0) {
28a76be8
AL		 1847 acl->defaultDeny = 1;
1848 monitor_printf(mon, "acl: policy set to 'deny'\n");
1849 } else {
15dfcd45
JK		 1850 monitor_printf(mon, "acl: unknown policy '%s', "
1851 "expected 'deny' or 'allow'\n", policy);
28a76be8 1852 }
15dfcd45
JK		 1853 }
1854}
28a76be8 1855
3e5a50d6 1856static void hmp_acl_add(Monitor *mon, const QDict *qdict)
15dfcd45 1857{
1bd1442e
LC		 1858 const char *aclname = qdict_get_str(qdict, "aclname");
1859 const char *match = qdict_get_str(qdict, "match");
1860 const char *policy = qdict_get_str(qdict, "policy");
1861 int has_index = qdict_haskey(qdict, "index");
1862 int index = qdict_get_try_int(qdict, "index", -1);
15dfcd45
JK		 1863 qemu_acl *acl = find_acl(mon, aclname);
1864 int deny, ret;
1865
1866 if (acl) {
1867 if (strcmp(policy, "allow") == 0) {
1868 deny = 0;
1869 } else if (strcmp(policy, "deny") == 0) {
1870 deny = 1;
1871 } else {
1872 monitor_printf(mon, "acl: unknown policy '%s', "
1873 "expected 'deny' or 'allow'\n", policy);
28a76be8
AL		 1874 return;
1875 }
28a76be8
AL		 1876 if (has_index)
1877 ret = qemu_acl_insert(acl, deny, match, index);
1878 else
1879 ret = qemu_acl_append(acl, deny, match);
1880 if (ret < 0)
1881 monitor_printf(mon, "acl: unable to add acl entry\n");
1882 else
1883 monitor_printf(mon, "acl: added rule at position %d\n", ret);
15dfcd45
JK		 1884 }
1885}
28a76be8 1886
3e5a50d6 1887static void hmp_acl_remove(Monitor *mon, const QDict *qdict)
15dfcd45 1888{
f18c16de
LC		 1889 const char *aclname = qdict_get_str(qdict, "aclname");
1890 const char *match = qdict_get_str(qdict, "match");
15dfcd45
JK		 1891 qemu_acl *acl = find_acl(mon, aclname);
1892 int ret;
28a76be8 1893
15dfcd45 1894 if (acl) {
28a76be8
AL		 1895 ret = qemu_acl_remove(acl, match);
1896 if (ret < 0)
1897 monitor_printf(mon, "acl: no matching acl entry\n");
1898 else
1899 monitor_printf(mon, "acl: removed rule at position %d\n", ret);
76655d6d
AL		 1900 }
1901}
1902
208c9d1b 1903void qmp_getfd(const char *fdname, Error **errp)
f07918fd 1904{
c227f099 1905 mon_fd_t *monfd;
f07918fd
MM		 1906 int fd;
1907
5345fdb4 1908 fd = qemu_chr_fe_get_msgfd(&cur_mon->chr);
f07918fd 1909 if (fd == -1) {
c6bd8c70 1910 error_setg(errp, QERR_FD_NOT_SUPPLIED);
208c9d1b 1911 return;
f07918fd
MM		 1912 }
1913
1914 if (qemu_isdigit(fdname[0])) {
0b9f0e2f 1915 close(fd);
c6bd8c70
MA		 1916 error_setg(errp, QERR_INVALID_PARAMETER_VALUE, "fdname",
1917 "a name not starting with a digit");
208c9d1b 1918 return;
f07918fd
MM		 1919 }
1920
208c9d1b 1921 QLIST_FOREACH(monfd, &cur_mon->fds, next) {
f07918fd
MM		 1922 if (strcmp(monfd->name, fdname) != 0) {
1923 continue;
1924 }
1925
1926 close(monfd->fd);
1927 monfd->fd = fd;
208c9d1b 1928 return;
f07918fd
MM		 1929 }
1930
7267c094
AL		 1931 monfd = g_malloc0(sizeof(mon_fd_t));
1932 monfd->name = g_strdup(fdname);
f07918fd
MM		 1933 monfd->fd = fd;
1934
208c9d1b 1935 QLIST_INSERT_HEAD(&cur_mon->fds, monfd, next);
f07918fd
MM		 1936}
1937
208c9d1b 1938void qmp_closefd(const char *fdname, Error **errp)
f07918fd 1939{
c227f099 1940 mon_fd_t *monfd;
f07918fd 1941
208c9d1b 1942 QLIST_FOREACH(monfd, &cur_mon->fds, next) {
f07918fd
MM		 1943 if (strcmp(monfd->name, fdname) != 0) {
1944 continue;
1945 }
1946
72cf2d4f 1947 QLIST_REMOVE(monfd, next);
f07918fd 1948 close(monfd->fd);
7267c094
AL		 1949 g_free(monfd->name);
1950 g_free(monfd);
208c9d1b 1951 return;
f07918fd
MM		 1952 }
1953
c6bd8c70 1954 error_setg(errp, QERR_FD_NOT_FOUND, fdname);
f07918fd
MM		 1955}
1956
3e5a50d6 1957static void hmp_loadvm(Monitor *mon, const QDict *qdict)
c8d41b2c 1958{
1354869c 1959 int saved_vm_running = runstate_is_running();
d54908a5 1960 const char *name = qdict_get_str(qdict, "name");
c8d41b2c 1961
0461d5a6 1962 vm_stop(RUN_STATE_RESTORE_VM);
c8d41b2c 1963
f0aa7a8b 1964 if (load_vmstate(name) == 0 && saved_vm_running) {
c8d41b2c 1965 vm_start();
f0aa7a8b 1966 }
c8d41b2c
JQ		 1967}
1968
a9940fc4 1969int monitor_get_fd(Monitor *mon, const char *fdname, Error **errp)
7768e04c 1970{
c227f099 1971 mon_fd_t *monfd;
7768e04c 1972
72cf2d4f 1973 QLIST_FOREACH(monfd, &mon->fds, next) {
7768e04c
MM		 1974 int fd;
1975
1976 if (strcmp(monfd->name, fdname) != 0) {
1977 continue;
1978 }
1979
1980 fd = monfd->fd;
1981
1982 /* caller takes ownership of fd */
72cf2d4f 1983 QLIST_REMOVE(monfd, next);
7267c094
AL		 1984 g_free(monfd->name);
1985 g_free(monfd);
7768e04c
MM		 1986
1987 return fd;
1988 }
1989
a9940fc4 1990 error_setg(errp, "File descriptor named '%s' has not been found", fdname);
7768e04c
MM		 1991 return -1;
1992}
1993
ba1c048a
CB		 1994static void monitor_fdset_cleanup(MonFdset *mon_fdset)
1995{
1996 MonFdsetFd *mon_fdset_fd;
1997 MonFdsetFd *mon_fdset_fd_next;
1998
1999 QLIST_FOREACH_SAFE(mon_fdset_fd, &mon_fdset->fds, next, mon_fdset_fd_next) {
ebe52b59
CB		 2000 if ((mon_fdset_fd->removed ||
2001 (QLIST_EMPTY(&mon_fdset->dup_fds) && mon_refcount == 0)) &&
2002 runstate_is_running()) {
ba1c048a
CB		 2003 close(mon_fdset_fd->fd);
2004 g_free(mon_fdset_fd->opaque);
2005 QLIST_REMOVE(mon_fdset_fd, next);
2006 g_free(mon_fdset_fd);
2007 }
2008 }
2009
adb696f3 2010 if (QLIST_EMPTY(&mon_fdset->fds) && QLIST_EMPTY(&mon_fdset->dup_fds)) {
ba1c048a
CB		 2011 QLIST_REMOVE(mon_fdset, next);
2012 g_free(mon_fdset);
2013 }
2014}
2015
efb87c16
CB		 2016static void monitor_fdsets_cleanup(void)
2017{
2018 MonFdset *mon_fdset;
2019 MonFdset *mon_fdset_next;
2020
2021 QLIST_FOREACH_SAFE(mon_fdset, &mon_fdsets, next, mon_fdset_next) {
2022 monitor_fdset_cleanup(mon_fdset);
2023 }
2024}
2025
ba1c048a
CB		 2026AddfdInfo *qmp_add_fd(bool has_fdset_id, int64_t fdset_id, bool has_opaque,
2027 const char *opaque, Error **errp)
2028{
2029 int fd;
2030 Monitor *mon = cur_mon;
ba1c048a
CB		 2031 AddfdInfo *fdinfo;
2032
5345fdb4 2033 fd = qemu_chr_fe_get_msgfd(&mon->chr);
ba1c048a 2034 if (fd == -1) {
c6bd8c70 2035 error_setg(errp, QERR_FD_NOT_SUPPLIED);
ba1c048a
CB		 2036 goto error;
2037 }
2038
e446f70d
CB		 2039 fdinfo = monitor_fdset_add_fd(fd, has_fdset_id, fdset_id,
2040 has_opaque, opaque, errp);
2041 if (fdinfo) {
2042 return fdinfo;
ba1c048a 2043 }
ba1c048a
CB		 2044
2045error:
2046 if (fd != -1) {
2047 close(fd);
2048 }
2049 return NULL;
2050}
2051
2052void qmp_remove_fd(int64_t fdset_id, bool has_fd, int64_t fd, Error **errp)
2053{
2054 MonFdset *mon_fdset;
2055 MonFdsetFd *mon_fdset_fd;
2056 char fd_str[60];
2057
2058 QLIST_FOREACH(mon_fdset, &mon_fdsets, next) {
2059 if (mon_fdset->id != fdset_id) {
2060 continue;
2061 }
2062 QLIST_FOREACH(mon_fdset_fd, &mon_fdset->fds, next) {
2063 if (has_fd) {
2064 if (mon_fdset_fd->fd != fd) {
2065 continue;
2066 }
2067 mon_fdset_fd->removed = true;
2068 break;
2069 } else {
2070 mon_fdset_fd->removed = true;
2071 }
2072 }
2073 if (has_fd && !mon_fdset_fd) {
2074 goto error;
2075 }
2076 monitor_fdset_cleanup(mon_fdset);
2077 return;
2078 }
2079
2080error:
2081 if (has_fd) {
2082 snprintf(fd_str, sizeof(fd_str), "fdset-id:%" PRId64 ", fd:%" PRId64,
2083 fdset_id, fd);
2084 } else {
2085 snprintf(fd_str, sizeof(fd_str), "fdset-id:%" PRId64, fdset_id);
2086 }
c6bd8c70 2087 error_setg(errp, QERR_FD_NOT_FOUND, fd_str);
ba1c048a
CB		 2088}
2089
2090FdsetInfoList *qmp_query_fdsets(Error **errp)
2091{
2092 MonFdset *mon_fdset;
2093 MonFdsetFd *mon_fdset_fd;
2094 FdsetInfoList *fdset_list = NULL;
2095
2096 QLIST_FOREACH(mon_fdset, &mon_fdsets, next) {
2097 FdsetInfoList *fdset_info = g_malloc0(sizeof(*fdset_info));
2098 FdsetFdInfoList *fdsetfd_list = NULL;
2099
2100 fdset_info->value = g_malloc0(sizeof(*fdset_info->value));
2101 fdset_info->value->fdset_id = mon_fdset->id;
2102
2103 QLIST_FOREACH(mon_fdset_fd, &mon_fdset->fds, next) {
2104 FdsetFdInfoList *fdsetfd_info;
2105
2106 fdsetfd_info = g_malloc0(sizeof(*fdsetfd_info));
2107 fdsetfd_info->value = g_malloc0(sizeof(*fdsetfd_info->value));
2108 fdsetfd_info->value->fd = mon_fdset_fd->fd;
2109 if (mon_fdset_fd->opaque) {
2110 fdsetfd_info->value->has_opaque = true;
2111 fdsetfd_info->value->opaque = g_strdup(mon_fdset_fd->opaque);
2112 } else {
2113 fdsetfd_info->value->has_opaque = false;
2114 }
2115
2116 fdsetfd_info->next = fdsetfd_list;
2117 fdsetfd_list = fdsetfd_info;
2118 }
2119
2120 fdset_info->value->fds = fdsetfd_list;
2121
2122 fdset_info->next = fdset_list;
2123 fdset_list = fdset_info;
2124 }
2125
2126 return fdset_list;
2127}
2128
e446f70d
CB		 2129AddfdInfo *monitor_fdset_add_fd(int fd, bool has_fdset_id, int64_t fdset_id,
2130 bool has_opaque, const char *opaque,
2131 Error **errp)
2132{
2133 MonFdset *mon_fdset = NULL;
2134 MonFdsetFd *mon_fdset_fd;
2135 AddfdInfo *fdinfo;
2136
2137 if (has_fdset_id) {
2138 QLIST_FOREACH(mon_fdset, &mon_fdsets, next) {
2139 /* Break if match found or match impossible due to ordering by ID */
2140 if (fdset_id <= mon_fdset->id) {
2141 if (fdset_id < mon_fdset->id) {
2142 mon_fdset = NULL;
2143 }
2144 break;
2145 }
2146 }
2147 }
2148
2149 if (mon_fdset == NULL) {
2150 int64_t fdset_id_prev = -1;
2151 MonFdset *mon_fdset_cur = QLIST_FIRST(&mon_fdsets);
2152
2153 if (has_fdset_id) {
2154 if (fdset_id < 0) {
c6bd8c70
MA		 2155 error_setg(errp, QERR_INVALID_PARAMETER_VALUE, "fdset-id",
2156 "a non-negative value");
e446f70d
CB		 2157 return NULL;
2158 }
2159 /* Use specified fdset ID */
2160 QLIST_FOREACH(mon_fdset, &mon_fdsets, next) {
2161 mon_fdset_cur = mon_fdset;
2162 if (fdset_id < mon_fdset_cur->id) {
2163 break;
2164 }
2165 }
2166 } else {
2167 /* Use first available fdset ID */
2168 QLIST_FOREACH(mon_fdset, &mon_fdsets, next) {
2169 mon_fdset_cur = mon_fdset;
2170 if (fdset_id_prev == mon_fdset_cur->id - 1) {
2171 fdset_id_prev = mon_fdset_cur->id;
2172 continue;
2173 }
2174 break;
2175 }
2176 }
2177
2178 mon_fdset = g_malloc0(sizeof(*mon_fdset));
2179 if (has_fdset_id) {
2180 mon_fdset->id = fdset_id;
2181 } else {
2182 mon_fdset->id = fdset_id_prev + 1;
2183 }
2184
2185 /* The fdset list is ordered by fdset ID */
2186 if (!mon_fdset_cur) {
2187 QLIST_INSERT_HEAD(&mon_fdsets, mon_fdset, next);
2188 } else if (mon_fdset->id < mon_fdset_cur->id) {
2189 QLIST_INSERT_BEFORE(mon_fdset_cur, mon_fdset, next);
2190 } else {
2191 QLIST_INSERT_AFTER(mon_fdset_cur, mon_fdset, next);
2192 }
2193 }
2194
2195 mon_fdset_fd = g_malloc0(sizeof(*mon_fdset_fd));
2196 mon_fdset_fd->fd = fd;
2197 mon_fdset_fd->removed = false;
2198 if (has_opaque) {
2199 mon_fdset_fd->opaque = g_strdup(opaque);
2200 }
2201 QLIST_INSERT_HEAD(&mon_fdset->fds, mon_fdset_fd, next);
2202
2203 fdinfo = g_malloc0(sizeof(*fdinfo));
2204 fdinfo->fdset_id = mon_fdset->id;
2205 fdinfo->fd = mon_fdset_fd->fd;
2206
2207 return fdinfo;
2208}
2209
adb696f3
CB		 2210int monitor_fdset_get_fd(int64_t fdset_id, int flags)
2211{
b2dc64c3 2212#ifndef _WIN32
adb696f3
CB		 2213 MonFdset *mon_fdset;
2214 MonFdsetFd *mon_fdset_fd;
2215 int mon_fd_flags;
2216
adb696f3
CB		 2217 QLIST_FOREACH(mon_fdset, &mon_fdsets, next) {
2218 if (mon_fdset->id != fdset_id) {
2219 continue;
2220 }
2221 QLIST_FOREACH(mon_fdset_fd, &mon_fdset->fds, next) {
2222 mon_fd_flags = fcntl(mon_fdset_fd->fd, F_GETFL);
2223 if (mon_fd_flags == -1) {
2224 return -1;
2225 }
2226
2227 if ((flags & O_ACCMODE) == (mon_fd_flags & O_ACCMODE)) {
2228 return mon_fdset_fd->fd;
2229 }
2230 }
2231 errno = EACCES;
2232 return -1;
2233 }
2234#endif
2235
2236 errno = ENOENT;
2237 return -1;
2238}
2239
2240int monitor_fdset_dup_fd_add(int64_t fdset_id, int dup_fd)
2241{
2242 MonFdset *mon_fdset;
2243 MonFdsetFd *mon_fdset_fd_dup;
2244
2245 QLIST_FOREACH(mon_fdset, &mon_fdsets, next) {
2246 if (mon_fdset->id != fdset_id) {
2247 continue;
2248 }
2249 QLIST_FOREACH(mon_fdset_fd_dup, &mon_fdset->dup_fds, next) {
2250 if (mon_fdset_fd_dup->fd == dup_fd) {
2251 return -1;
2252 }
2253 }
2254 mon_fdset_fd_dup = g_malloc0(sizeof(*mon_fdset_fd_dup));
2255 mon_fdset_fd_dup->fd = dup_fd;
2256 QLIST_INSERT_HEAD(&mon_fdset->dup_fds, mon_fdset_fd_dup, next);
2257 return 0;
2258 }
2259 return -1;
2260}
2261
2262static int monitor_fdset_dup_fd_find_remove(int dup_fd, bool remove)
2263{
2264 MonFdset *mon_fdset;
2265 MonFdsetFd *mon_fdset_fd_dup;
2266
2267 QLIST_FOREACH(mon_fdset, &mon_fdsets, next) {
2268 QLIST_FOREACH(mon_fdset_fd_dup, &mon_fdset->dup_fds, next) {
2269 if (mon_fdset_fd_dup->fd == dup_fd) {
2270 if (remove) {
2271 QLIST_REMOVE(mon_fdset_fd_dup, next);
2272 if (QLIST_EMPTY(&mon_fdset->dup_fds)) {
2273 monitor_fdset_cleanup(mon_fdset);
2274 }
b3dd1b8c
MT		 2275 return -1;
2276 } else {
2277 return mon_fdset->id;
adb696f3 2278 }
adb696f3
CB		 2279 }
2280 }
2281 }
2282 return -1;
2283}
2284
2285int monitor_fdset_dup_fd_find(int dup_fd)
2286{
2287 return monitor_fdset_dup_fd_find_remove(dup_fd, false);
2288}
2289
b3dd1b8c 2290void monitor_fdset_dup_fd_remove(int dup_fd)
adb696f3 2291{
b3dd1b8c 2292 monitor_fdset_dup_fd_find_remove(dup_fd, true);
adb696f3
CB		 2293}
2294
1677f4c6 2295int monitor_fd_param(Monitor *mon, const char *fdname, Error **errp)
5906366e
LE		 2296{
2297 int fd;
2298 Error *local_err = NULL;
a96ed02f 2299
5906366e 2300 if (!qemu_isdigit(fdname[0]) && mon) {
a9940fc4 2301 fd = monitor_get_fd(mon, fdname, &local_err);
5906366e
LE		 2302 } else {
2303 fd = qemu_parse_fd(fdname);
a96ed02f 2304 if (fd == -1) {
5906366e
LE		 2305 error_setg(&local_err, "Invalid file descriptor number '%s'",
2306 fdname);
a96ed02f 2307 }
5906366e
LE		 2308 }
2309 if (local_err) {
2310 error_propagate(errp, local_err);
2311 assert(fd == -1);
a96ed02f 2312 } else {
5906366e 2313 assert(fd != -1);
a96ed02f
NB		 2314 }
2315
2316 return fd;
2317}
2318
acd0a093 2319/* Please update hmp-commands.hx when adding or changing commands */
816f8925 2320static mon_cmd_t info_cmds[] = {
da76ee76
PB		 2321#include "hmp-commands-info.h"
2322 { NULL, NULL, },
9dc39cba
FB		 2323};
2324
a13ced59
WX		 2325/* mon_cmds and info_cmds would be sorted at runtime */
2326static mon_cmd_t mon_cmds[] = {
2327#include "hmp-commands.h"
2328 { NULL, NULL, },
2329};
2330
9307c4c1
FB		 2331/*******************************************************************/
2332
2333static const char *pch;
6ab7e546 2334static sigjmp_buf expr_env;
9307c4c1 2335
9307c4c1 2336
9c3175cc
SW		 2337static void GCC_FMT_ATTR(2, 3) QEMU_NORETURN
2338expr_error(Monitor *mon, const char *fmt, ...)
9dc39cba 2339{
277acfe8
FZ		 2340 va_list ap;
2341 va_start(ap, fmt);
2342 monitor_vprintf(mon, fmt, ap);
2343 monitor_printf(mon, "\n");
2344 va_end(ap);
6ab7e546 2345 siglongjmp(expr_env, 1);
9307c4c1
FB		 2346}
2347
09b9418c 2348/* return 0 if OK, -1 if not found */
92a31b1f 2349static int get_monitor_def(target_long *pval, const char *name)
9307c4c1 2350{
bf957284 2351 const MonitorDef *md = target_monitor_defs();
854e67fe 2352 CPUState *cs = mon_get_cpu();
92a31b1f 2353 void *ptr;
0a9516c2
AK		 2354 uint64_t tmp = 0;
2355 int ret;
92a31b1f 2356
854e67fe 2357 if (cs == NULL || md == NULL) {
bf957284
PB		 2358 return -1;
2359 }
2360
2361 for(; md->name != NULL; md++) {
9307c4c1
FB		 2362 if (compare_cmd(name, md->name)) {
2363 if (md->get_value) {
e95c8d51 2364 *pval = md->get_value(md, md->offset);
9307c4c1 2365 } else {
5bcda5f7 2366 CPUArchState *env = mon_get_cpu_env();
6a00d601 2367 ptr = (uint8_t *)env + md->offset;
92a31b1f
FB		 2368 switch(md->type) {
2369 case MD_I32:
2370 *pval = *(int32_t *)ptr;
2371 break;
2372 case MD_TLONG:
2373 *pval = *(target_long *)ptr;
2374 break;
2375 default:
2376 *pval = 0;
2377 break;
2378 }
9307c4c1
FB		 2379 }
2380 return 0;
2381 }
2382 }
0a9516c2 2383
854e67fe 2384 ret = target_get_monitor_def(cs, name, &tmp);
0a9516c2
AK		 2385 if (!ret) {
2386 *pval = (target_long) tmp;
2387 }
2388
2389 return ret;
9307c4c1
FB		 2390}
2391
2392static void next(void)
2393{
660f11be 2394 if (*pch != '\0') {
9307c4c1 2395 pch++;
cd390083 2396 while (qemu_isspace(*pch))
9307c4c1
FB		 2397 pch++;
2398 }
2399}
2400
376253ec 2401static int64_t expr_sum(Monitor *mon);
9307c4c1 2402
376253ec 2403static int64_t expr_unary(Monitor *mon)
9307c4c1 2404{
c2efc95d 2405 int64_t n;
9307c4c1 2406 char *p;
6a00d601 2407 int ret;
9307c4c1
FB		 2408
2409 switch(*pch) {
2410 case '+':
2411 next();
376253ec 2412 n = expr_unary(mon);
9307c4c1
FB		 2413 break;
2414 case '-':
2415 next();
376253ec 2416 n = -expr_unary(mon);
9307c4c1
FB		 2417 break;
2418 case '~':
2419 next();
376253ec 2420 n = ~expr_unary(mon);
9307c4c1
FB		 2421 break;
2422 case '(':
2423 next();
376253ec 2424 n = expr_sum(mon);
9307c4c1 2425 if (*pch != ')') {
376253ec 2426 expr_error(mon, "')' expected");
9307c4c1
FB		 2427 }
2428 next();
2429 break;
81d0912d
FB		 2430 case '\'':
2431 pch++;
2432 if (*pch == '\0')
376253ec 2433 expr_error(mon, "character constant expected");
81d0912d
FB		 2434 n = *pch;
2435 pch++;
2436 if (*pch != '\'')
376253ec 2437 expr_error(mon, "missing terminating \' character");
81d0912d
FB		 2438 next();
2439 break;
9307c4c1
FB		 2440 case '$':
2441 {
2442 char buf[128], *q;
69b34976 2443 target_long reg=0;
3b46e624 2444
9307c4c1
FB		 2445 pch++;
2446 q = buf;
2447 while ((*pch >= 'a' && *pch <= 'z') ||
2448 (*pch >= 'A' && *pch <= 'Z') ||
2449 (*pch >= '0' && *pch <= '9') ||
57206fd4 2450 *pch == '_' || *pch == '.') {
9307c4c1
FB		 2451 if ((q - buf) < sizeof(buf) - 1)
2452 *q++ = *pch;
2453 pch++;
2454 }
cd390083 2455 while (qemu_isspace(*pch))
9307c4c1
FB		 2456 pch++;
2457 *q = 0;
7743e588 2458 ret = get_monitor_def(&reg, buf);
09b9418c 2459 if (ret < 0)
376253ec 2460 expr_error(mon, "unknown register");
7743e588 2461 n = reg;
9307c4c1
FB		 2462 }
2463 break;
2464 case '\0':
376253ec 2465 expr_error(mon, "unexpected end of expression");
9307c4c1
FB		 2466 n = 0;
2467 break;
2468 default:
6b0e33be 2469 errno = 0;
4f4fbf77 2470 n = strtoull(pch, &p, 0);
6b0e33be
LC		 2471 if (errno == ERANGE) {
2472 expr_error(mon, "number too large");
2473 }
9307c4c1 2474 if (pch == p) {
277acfe8 2475 expr_error(mon, "invalid char '%c' in expression", *p);
9307c4c1
FB		 2476 }
2477 pch = p;
cd390083 2478 while (qemu_isspace(*pch))
9307c4c1
FB		 2479 pch++;
2480 break;
2481 }
2482 return n;
2483}
2484
2485
376253ec 2486static int64_t expr_prod(Monitor *mon)
9307c4c1 2487{
c2efc95d 2488 int64_t val, val2;
92a31b1f 2489 int op;
3b46e624 2490
376253ec 2491 val = expr_unary(mon);
9307c4c1
FB		 2492 for(;;) {
2493 op = *pch;
2494 if (op != '*' && op != '/' && op != '%')
2495 break;
2496 next();
376253ec 2497 val2 = expr_unary(mon);
9307c4c1
FB		 2498 switch(op) {
2499 default:
2500 case '*':
2501 val *= val2;
2502 break;
2503 case '/':
2504 case '%':
5fafdf24 2505 if (val2 == 0)
376253ec 2506 expr_error(mon, "division by zero");
9307c4c1
FB		 2507 if (op == '/')
2508 val /= val2;
2509 else
2510 val %= val2;
2511 break;
2512 }
2513 }
2514 return val;
2515}
2516
376253ec 2517static int64_t expr_logic(Monitor *mon)
9307c4c1 2518{
c2efc95d 2519 int64_t val, val2;
92a31b1f 2520 int op;
9307c4c1 2521
376253ec 2522 val = expr_prod(mon);
9307c4c1
FB		 2523 for(;;) {
2524 op = *pch;
2525 if (op != '&' && op != '|' && op != '^')
2526 break;
2527 next();
376253ec 2528 val2 = expr_prod(mon);
9307c4c1
FB		 2529 switch(op) {
2530 default:
2531 case '&':
2532 val &= val2;
2533 break;
2534 case '|':
2535 val |= val2;
2536 break;
2537 case '^':
2538 val ^= val2;
2539 break;
2540 }
2541 }
2542 return val;
2543}
2544
376253ec 2545static int64_t expr_sum(Monitor *mon)
9307c4c1 2546{
c2efc95d 2547 int64_t val, val2;
92a31b1f 2548 int op;
9307c4c1 2549
376253ec 2550 val = expr_logic(mon);
9307c4c1
FB		 2551 for(;;) {
2552 op = *pch;
2553 if (op != '+' && op != '-')
2554 break;
2555 next();
376253ec 2556 val2 = expr_logic(mon);
9307c4c1
FB		 2557 if (op == '+')
2558 val += val2;
2559 else
2560 val -= val2;
2561 }
2562 return val;
2563}
2564
376253ec 2565static int get_expr(Monitor *mon, int64_t *pval, const char **pp)
9307c4c1
FB		 2566{
2567 pch = *pp;
6ab7e546 2568 if (sigsetjmp(expr_env, 0)) {
9307c4c1
FB		 2569 *pp = pch;
2570 return -1;
2571 }
cd390083 2572 while (qemu_isspace(*pch))
9307c4c1 2573 pch++;
376253ec 2574 *pval = expr_sum(mon);
9307c4c1
FB		 2575 *pp = pch;
2576 return 0;
2577}
2578
3350a4dd
MA		 2579static int get_double(Monitor *mon, double *pval, const char **pp)
2580{
2581 const char *p = *pp;
2582 char *tailp;
2583 double d;
2584
2585 d = strtod(p, &tailp);
2586 if (tailp == p) {
2587 monitor_printf(mon, "Number expected\n");
2588 return -1;
2589 }
2590 if (d != d || d - d != 0) {
2591 /* NaN or infinity */
2592 monitor_printf(mon, "Bad number\n");
2593 return -1;
2594 }
2595 *pval = d;
2596 *pp = tailp;
2597 return 0;
2598}
2599
4590fd80
LC		 2600/*
2601 * Store the command-name in cmdname, and return a pointer to
2602 * the remaining of the command string.
2603 */
2604static const char *get_command_name(const char *cmdline,
2605 char *cmdname, size_t nlen)
2606{
2607 size_t len;
2608 const char *p, *pstart;
2609
2610 p = cmdline;
2611 while (qemu_isspace(*p))
2612 p++;
2613 if (*p == '\0')
2614 return NULL;
2615 pstart = p;
2616 while (*p != '\0' && *p != '/' && !qemu_isspace(*p))
2617 p++;
2618 len = p - pstart;
2619 if (len > nlen - 1)
2620 len = nlen - 1;
2621 memcpy(cmdname, pstart, len);
2622 cmdname[len] = '\0';
2623 return p;
2624}
2625
4d76d2ba
LC		 2626/**
2627 * Read key of 'type' into 'key' and return the current
2628 * 'type' pointer.
2629 */
2630static char *key_get_info(const char *type, char **key)
2631{
2632 size_t len;
2633 char *p, *str;
2634
2635 if (*type == ',')
2636 type++;
2637
2638 p = strchr(type, ':');
2639 if (!p) {
2640 *key = NULL;
2641 return NULL;
2642 }
2643 len = p - type;
2644
7267c094 2645 str = g_malloc(len + 1);
4d76d2ba
LC		 2646 memcpy(str, type, len);
2647 str[len] = '\0';
2648
2649 *key = str;
2650 return ++p;
2651}
2652
9307c4c1
FB		 2653static int default_fmt_format = 'x';
2654static int default_fmt_size = 4;
2655
fbc3d96c
LS		 2656static int is_valid_option(const char *c, const char *typestr)
2657{
2658 char option[3];
2659
2660 option[0] = '-';
2661 option[1] = *c;
2662 option[2] = '\0';
2663
2664 typestr = strstr(typestr, option);
2665 return (typestr != NULL);
2666}
2667
945c5ac8
LC		 2668static const mon_cmd_t *search_dispatch_table(const mon_cmd_t *disp_table,
2669 const char *cmdname)
7fd669a1
LC		 2670{
2671 const mon_cmd_t *cmd;
2672
945c5ac8 2673 for (cmd = disp_table; cmd->name != NULL; cmd++) {
7fd669a1
LC		 2674 if (compare_cmd(cmdname, cmd->name)) {
2675 return cmd;
2676 }
2677 }
2678
2679 return NULL;
2680}
2681
5f3d335f 2682/*
ae50212f
BD		 2683 * Parse command name from @cmdp according to command table @table.
2684 * If blank, return NULL.
2685 * Else, if no valid command can be found, report to @mon, and return
2686 * NULL.
2687 * Else, change @cmdp to point right behind the name, and return its
2688 * command table entry.
2689 * Do not assume the return value points into @table! It doesn't when
2690 * the command is found in a sub-command table.
5f3d335f 2691 */
c227f099 2692static const mon_cmd_t *monitor_parse_command(Monitor *mon,
ae50212f
BD		 2693 const char **cmdp,
2694 mon_cmd_t *table)
9307c4c1 2695{
ae50212f 2696 const char *p;
c227f099 2697 const mon_cmd_t *cmd;
9307c4c1 2698 char cmdname[256];
9dc39cba 2699
9307c4c1 2700 /* extract the command name */
ae50212f 2701 p = get_command_name(*cmdp, cmdname, sizeof(cmdname));
4590fd80 2702 if (!p)
55f81d96 2703 return NULL;
3b46e624 2704
5f3d335f 2705 cmd = search_dispatch_table(table, cmdname);
7fd669a1 2706 if (!cmd) {
5f3d335f 2707 monitor_printf(mon, "unknown command: '%.*s'\n",
ae50212f 2708 (int)(p - *cmdp), *cmdp);
55f81d96 2709 return NULL;
9307c4c1 2710 }
9307c4c1 2711
5f3d335f
WX		 2712 /* filter out following useless space */
2713 while (qemu_isspace(*p)) {
2714 p++;
2715 }
ae50212f
BD		 2716
2717 *cmdp = p;
5f3d335f 2718 /* search sub command */
ae50212f
BD		 2719 if (cmd->sub_table != NULL && *p != '\0') {
2720 return monitor_parse_command(mon, cmdp, cmd->sub_table);
5f3d335f
WX		 2721 }
2722
ae50212f
BD		 2723 return cmd;
2724}
2725
2726/*
2727 * Parse arguments for @cmd.
2728 * If it can't be parsed, report to @mon, and return NULL.
2729 * Else, insert command arguments into a QDict, and return it.
2730 * Note: On success, caller has to free the QDict structure.
2731 */
2732
2733static QDict *monitor_parse_arguments(Monitor *mon,
2734 const char **endp,
2735 const mon_cmd_t *cmd)
2736{
2737 const char *typestr;
2738 char *key;
2739 int c;
2740 const char *p = *endp;
2741 char buf[1024];
2742 QDict *qdict = qdict_new();
2743
9307c4c1
FB		 2744 /* parse the parameters */
2745 typestr = cmd->args_type;
9dc39cba 2746 for(;;) {
4d76d2ba
LC		 2747 typestr = key_get_info(typestr, &key);
2748 if (!typestr)
9dc39cba 2749 break;
4d76d2ba 2750 c = *typestr;
9307c4c1
FB		 2751 typestr++;
2752 switch(c) {
2753 case 'F':
81d0912d 2754 case 'B':
9307c4c1
FB		 2755 case 's':
2756 {
2757 int ret;
3b46e624 2758
cd390083 2759 while (qemu_isspace(*p))
9307c4c1
FB		 2760 p++;
2761 if (*typestr == '?') {
2762 typestr++;
2763 if (*p == '\0') {
2764 /* no optional string: NULL argument */
53773581 2765 break;
9307c4c1
FB		 2766 }
2767 }
2768 ret = get_str(buf, sizeof(buf), &p);
2769 if (ret < 0) {
81d0912d
FB		 2770 switch(c) {
2771 case 'F':
376253ec 2772 monitor_printf(mon, "%s: filename expected\n",
ae50212f 2773 cmd->name);
81d0912d
FB		 2774 break;
2775 case 'B':
376253ec 2776 monitor_printf(mon, "%s: block device name expected\n",
ae50212f 2777 cmd->name);
81d0912d
FB		 2778 break;
2779 default:
ae50212f 2780 monitor_printf(mon, "%s: string expected\n", cmd->name);
81d0912d
FB		 2781 break;
2782 }
9307c4c1
FB		 2783 goto fail;
2784 }
53773581 2785 qdict_put(qdict, key, qstring_from_str(buf));
9307c4c1 2786 }
9dc39cba 2787 break;
361127df
MA		 2788 case 'O':
2789 {
2790 QemuOptsList *opts_list;
2791 QemuOpts *opts;
2792
2793 opts_list = qemu_find_opts(key);
2794 if (!opts_list || opts_list->desc->name) {
2795 goto bad_type;
2796 }
2797 while (qemu_isspace(*p)) {
2798 p++;
2799 }
2800 if (!*p)
2801 break;
2802 if (get_str(buf, sizeof(buf), &p) < 0) {
2803 goto fail;
2804 }
70b94331 2805 opts = qemu_opts_parse_noisily(opts_list, buf, true);
361127df
MA		 2806 if (!opts) {
2807 goto fail;
2808 }
2809 qemu_opts_to_qdict(opts, qdict);
2810 qemu_opts_del(opts);
2811 }
2812 break;
9307c4c1
FB		 2813 case '/':
2814 {
2815 int count, format, size;
3b46e624 2816
cd390083 2817 while (qemu_isspace(*p))
9307c4c1
FB		 2818 p++;
2819 if (*p == '/') {
2820 /* format found */
2821 p++;
2822 count = 1;
cd390083 2823 if (qemu_isdigit(*p)) {
9307c4c1 2824 count = 0;
cd390083 2825 while (qemu_isdigit(*p)) {
9307c4c1
FB		 2826 count = count * 10 + (*p - '0');
2827 p++;
2828 }
2829 }
2830 size = -1;
2831 format = -1;
2832 for(;;) {
2833 switch(*p) {
2834 case 'o':
2835 case 'd':
2836 case 'u':
2837 case 'x':
2838 case 'i':
2839 case 'c':
2840 format = *p++;
2841 break;
2842 case 'b':
2843 size = 1;
2844 p++;
2845 break;
2846 case 'h':
2847 size = 2;
2848 p++;
2849 break;
2850 case 'w':
2851 size = 4;
2852 p++;
2853 break;
2854 case 'g':
2855 case 'L':
2856 size = 8;
2857 p++;
2858 break;
2859 default:
2860 goto next;
2861 }
2862 }
2863 next:
cd390083 2864 if (*p != '\0' && !qemu_isspace(*p)) {
376253ec
AL		 2865 monitor_printf(mon, "invalid char in format: '%c'\n",
2866 *p);
9307c4c1
FB		 2867 goto fail;
2868 }
9307c4c1
FB		 2869 if (format < 0)
2870 format = default_fmt_format;
4c27ba27
FB		 2871 if (format != 'i') {
2872 /* for 'i', not specifying a size gives -1 as size */
2873 if (size < 0)
2874 size = default_fmt_size;
e90f009b 2875 default_fmt_size = size;
4c27ba27 2876 }
9307c4c1
FB		 2877 default_fmt_format = format;
2878 } else {
2879 count = 1;
2880 format = default_fmt_format;
4c27ba27
FB		 2881 if (format != 'i') {
2882 size = default_fmt_size;
2883 } else {
2884 size = -1;
2885 }
9307c4c1 2886 }
f7188bbe
LC		 2887 qdict_put(qdict, "count", qint_from_int(count));
2888 qdict_put(qdict, "format", qint_from_int(format));
2889 qdict_put(qdict, "size", qint_from_int(size));
9307c4c1 2890 }
9dc39cba 2891 break;
9307c4c1 2892 case 'i':
92a31b1f 2893 case 'l':
b6e098d7 2894 case 'M':
9307c4c1 2895 {
c2efc95d 2896 int64_t val;
7743e588 2897
cd390083 2898 while (qemu_isspace(*p))
9307c4c1 2899 p++;
3440557b 2900 if (*typestr == '?' || *typestr == '.') {
3440557b 2901 if (*typestr == '?') {
53773581
LC		 2902 if (*p == '\0') {
2903 typestr++;
2904 break;
2905 }
3440557b
FB		 2906 } else {
2907 if (*p == '.') {
2908 p++;
cd390083 2909 while (qemu_isspace(*p))
3440557b 2910 p++;
3440557b 2911 } else {
53773581
LC		 2912 typestr++;
2913 break;
3440557b
FB		 2914 }
2915 }
13224a87 2916 typestr++;
9307c4c1 2917 }
376253ec 2918 if (get_expr(mon, &val, &p))
9307c4c1 2919 goto fail;
675ebef9
LC		 2920 /* Check if 'i' is greater than 32-bit */
2921 if ((c == 'i') && ((val >> 32) & 0xffffffff)) {
ae50212f 2922 monitor_printf(mon, "\'%s\' has failed: ", cmd->name);
675ebef9
LC		 2923 monitor_printf(mon, "integer is for 32-bit values\n");
2924 goto fail;
b6e098d7 2925 } else if (c == 'M') {
91162849
LC		 2926 if (val < 0) {
2927 monitor_printf(mon, "enter a positive value\n");
2928 goto fail;
2929 }
b6e098d7 2930 val <<= 20;
675ebef9 2931 }
53773581 2932 qdict_put(qdict, key, qint_from_int(val));
9307c4c1
FB		 2933 }
2934 break;
dbc0c67f
JS		 2935 case 'o':
2936 {
f17fd4fd 2937 int ret;
f46bfdbf 2938 uint64_t val;
dbc0c67f
JS		 2939 char *end;
2940
2941 while (qemu_isspace(*p)) {
2942 p++;
2943 }
2944 if (*typestr == '?') {
2945 typestr++;
2946 if (*p == '\0') {
2947 break;
2948 }
2949 }
f17fd4fd 2950 ret = qemu_strtosz_MiB(p, &end, &val);
f46bfdbf 2951 if (ret < 0 || val > INT64_MAX) {
dbc0c67f
JS		 2952 monitor_printf(mon, "invalid size\n");
2953 goto fail;
2954 }
2955 qdict_put(qdict, key, qint_from_int(val));
2956 p = end;
2957 }
2958 break;
fccfb11e 2959 case 'T':
3350a4dd
MA		 2960 {
2961 double val;
2962
2963 while (qemu_isspace(*p))
2964 p++;
2965 if (*typestr == '?') {
2966 typestr++;
2967 if (*p == '\0') {
2968 break;
2969 }
2970 }
2971 if (get_double(mon, &val, &p) < 0) {
2972 goto fail;
2973 }
07de3e60 2974 if (p[0] && p[1] == 's') {
fccfb11e
MA		 2975 switch (*p) {
2976 case 'm':
2977 val /= 1e3; p += 2; break;
2978 case 'u':
2979 val /= 1e6; p += 2; break;
2980 case 'n':
2981 val /= 1e9; p += 2; break;
2982 }
2983 }
3350a4dd
MA		 2984 if (*p && !qemu_isspace(*p)) {
2985 monitor_printf(mon, "Unknown unit suffix\n");
2986 goto fail;
2987 }
2988 qdict_put(qdict, key, qfloat_from_double(val));
2989 }
2990 break;
942cd1f2
MA		 2991 case 'b':
2992 {
2993 const char *beg;
fc48ffc3 2994 bool val;
942cd1f2
MA		 2995
2996 while (qemu_isspace(*p)) {
2997 p++;
2998 }
2999 beg = p;
3000 while (qemu_isgraph(*p)) {
3001 p++;
3002 }
3003 if (p - beg == 2 && !memcmp(beg, "on", p - beg)) {
fc48ffc3 3004 val = true;
942cd1f2 3005 } else if (p - beg == 3 && !memcmp(beg, "off", p - beg)) {
fc48ffc3 3006 val = false;
942cd1f2
MA		 3007 } else {
3008 monitor_printf(mon, "Expected 'on' or 'off'\n");
3009 goto fail;
3010 }
fc48ffc3 3011 qdict_put(qdict, key, qbool_from_bool(val));
942cd1f2
MA		 3012 }
3013 break;
9307c4c1
FB		 3014 case '-':
3015 {
fbc3d96c 3016 const char *tmp = p;
eb159d13 3017 int skip_key = 0;
9307c4c1 3018 /* option */
3b46e624 3019
9307c4c1
FB		 3020 c = *typestr++;
3021 if (c == '\0')
3022 goto bad_type;
cd390083 3023 while (qemu_isspace(*p))
9307c4c1 3024 p++;
9307c4c1
FB		 3025 if (*p == '-') {
3026 p++;
fbc3d96c
LS		 3027 if(c != *p) {
3028 if(!is_valid_option(p, typestr)) {
3029
3030 monitor_printf(mon, "%s: unsupported option -%c\n",
ae50212f 3031 cmd->name, *p);
fbc3d96c
LS		 3032 goto fail;
3033 } else {
3034 skip_key = 1;
3035 }
3036 }
3037 if(skip_key) {
3038 p = tmp;
3039 } else {
eb159d13 3040 /* has option */
fbc3d96c 3041 p++;
fc48ffc3 3042 qdict_put(qdict, key, qbool_from_bool(true));
9307c4c1 3043 }
9307c4c1 3044 }
9307c4c1
FB		 3045 }
3046 break;
129be006
WX		 3047 case 'S':
3048 {
3049 /* package all remaining string */
3050 int len;
3051
3052 while (qemu_isspace(*p)) {
3053 p++;
3054 }
3055 if (*typestr == '?') {
3056 typestr++;
3057 if (*p == '\0') {
3058 /* no remaining string: NULL argument */
3059 break;
3060 }
3061 }
3062 len = strlen(p);
3063 if (len <= 0) {
3064 monitor_printf(mon, "%s: string expected\n",
ae50212f 3065 cmd->name);
e549d2aa 3066 goto fail;
129be006
WX		 3067 }
3068 qdict_put(qdict, key, qstring_from_str(p));
3069 p += len;
3070 }
3071 break;
9307c4c1
FB		 3072 default:
3073 bad_type:
ae50212f 3074 monitor_printf(mon, "%s: unknown type '%c'\n", cmd->name, c);
9307c4c1
FB		 3075 goto fail;
3076 }
7267c094 3077 g_free(key);
4d76d2ba 3078 key = NULL;
9dc39cba 3079 }
9307c4c1 3080 /* check that all arguments were parsed */
cd390083 3081 while (qemu_isspace(*p))
9307c4c1
FB		 3082 p++;
3083 if (*p != '\0') {
376253ec 3084 monitor_printf(mon, "%s: extraneous characters at the end of line\n",
ae50212f 3085 cmd->name);
9307c4c1 3086 goto fail;
9dc39cba 3087 }
9307c4c1 3088
ae50212f 3089 return qdict;
ac7531ec 3090
55f81d96 3091fail:
ae50212f 3092 QDECREF(qdict);
7267c094 3093 g_free(key);
55f81d96
LC		 3094 return NULL;
3095}
3096
7ef6cf63 3097static void handle_hmp_command(Monitor *mon, const char *cmdline)
55f81d96 3098{
55f81d96 3099 QDict *qdict;
c227f099 3100 const mon_cmd_t *cmd;
55f81d96 3101
ae50212f
BD		 3102 cmd = monitor_parse_command(mon, &cmdline, mon->cmd_table);
3103 if (!cmd) {
3104 return;
3105 }
55f81d96 3106
ae50212f
BD		 3107 qdict = monitor_parse_arguments(mon, &cmdline, cmd);
3108 if (!qdict) {
dd41eea7
BD		 3109 monitor_printf(mon, "Try \"help %s\" for more information\n",
3110 cmd->name);
ae50212f 3111 return;
55f81d96
LC		 3112 }
3113
2b9e3576 3114 cmd->cmd(mon, qdict);
f7188bbe 3115 QDECREF(qdict);
9dc39cba
FB		 3116}
3117
cd5c6bba 3118static void cmd_completion(Monitor *mon, const char *name, const char *list)
81d0912d
FB		 3119{
3120 const char *p, *pstart;
3121 char cmd[128];
3122 int len;
3123
3124 p = list;
3125 for(;;) {
3126 pstart = p;
3127 p = strchr(p, '|');
3128 if (!p)
3129 p = pstart + strlen(pstart);
3130 len = p - pstart;
3131 if (len > sizeof(cmd) - 2)
3132 len = sizeof(cmd) - 2;
3133 memcpy(cmd, pstart, len);
3134 cmd[len] = '\0';
3135 if (name[0] == '\0' || !strncmp(name, cmd, strlen(name))) {
cd5c6bba 3136 readline_add_completion(mon->rs, cmd);
81d0912d
FB		 3137 }
3138 if (*p == '\0')
3139 break;
3140 p++;
3141 }
3142}
3143
cb8f68b1 3144static void file_completion(Monitor *mon, const char *input)
81d0912d
FB		 3145{
3146 DIR *ffs;
3147 struct dirent *d;
3148 char path[1024];
3149 char file[1024], file_prefix[1024];
3150 int input_path_len;
3151 const char *p;
3152
5fafdf24 3153 p = strrchr(input, '/');
81d0912d
FB		 3154 if (!p) {
3155 input_path_len = 0;
3156 pstrcpy(file_prefix, sizeof(file_prefix), input);
363a37d5 3157 pstrcpy(path, sizeof(path), ".");
81d0912d
FB		 3158 } else {
3159 input_path_len = p - input + 1;
3160 memcpy(path, input, input_path_len);
3161 if (input_path_len > sizeof(path) - 1)
3162 input_path_len = sizeof(path) - 1;
3163 path[input_path_len] = '\0';
3164 pstrcpy(file_prefix, sizeof(file_prefix), p + 1);
3165 }
19f2db5c 3166
81d0912d
FB		 3167 ffs = opendir(path);
3168 if (!ffs)
3169 return;
3170 for(;;) {
3171 struct stat sb;
3172 d = readdir(ffs);
3173 if (!d)
3174 break;
46c7fc18
KK		 3175
3176 if (strcmp(d->d_name, ".") == 0 || strcmp(d->d_name, "..") == 0) {
3177 continue;
3178 }
3179
81d0912d
FB		 3180 if (strstart(d->d_name, file_prefix, NULL)) {
3181 memcpy(file, input, input_path_len);
363a37d5
BS		 3182 if (input_path_len < sizeof(file))
3183 pstrcpy(file + input_path_len, sizeof(file) - input_path_len,
3184 d->d_name);
81d0912d
FB		 3185 /* stat the file to find out if it's a directory.
3186 * In that case add a slash to speed up typing long paths
3187 */
c951d9a6 3188 if (stat(file, &sb) == 0 && S_ISDIR(sb.st_mode)) {
363a37d5 3189 pstrcat(file, sizeof(file), "/");
c951d9a6 3190 }
cb8f68b1 3191 readline_add_completion(mon->rs, file);
81d0912d
FB		 3192 }
3193 }
3194 closedir(ffs);
3195}
3196
4d76d2ba
LC		 3197static const char *next_arg_type(const char *typestr)
3198{
3199 const char *p = strchr(typestr, ':');
3200 return (p != NULL ? ++p : typestr);
3201}
3202
40d19394
HB		 3203static void add_completion_option(ReadLineState *rs, const char *str,
3204 const char *option)
3205{
3206 if (!str || !option) {
3207 return;
3208 }
3209 if (!strncmp(option, str, strlen(str))) {
3210 readline_add_completion(rs, option);
3211 }
3212}
3213
13e315da
HB		 3214void chardev_add_completion(ReadLineState *rs, int nb_args, const char *str)
3215{
3216 size_t len;
3217 ChardevBackendInfoList *list, *start;
3218
3219 if (nb_args != 2) {
3220 return;
3221 }
3222 len = strlen(str);
3223 readline_set_completion_index(rs, len);
3224
3225 start = list = qmp_query_chardev_backends(NULL);
3226 while (list) {
3227 const char *chr_name = list->value->name;
3228
3229 if (!strncmp(chr_name, str, len)) {
3230 readline_add_completion(rs, chr_name);
3231 }
3232 list = list->next;
3233 }
3234 qapi_free_ChardevBackendInfoList(start);
3235}
3236
b162b49a
HB		 3237void netdev_add_completion(ReadLineState *rs, int nb_args, const char *str)
3238{
3239 size_t len;
3240 int i;
3241
3242 if (nb_args != 2) {
3243 return;
3244 }
3245 len = strlen(str);
3246 readline_set_completion_index(rs, len);
f394b2e2
EB		 3247 for (i = 0; NetClientDriver_lookup[i]; i++) {
3248 add_completion_option(rs, str, NetClientDriver_lookup[i]);
b162b49a
HB		 3249 }
3250}
3251
2da1b3ab 3252void device_add_completion(ReadLineState *rs, int nb_args, const char *str)
992d3e64
HB		 3253{
3254 GSList *list, *elt;
3255 size_t len;
3256
2da1b3ab
HB		 3257 if (nb_args != 2) {
3258 return;
3259 }
3260
992d3e64
HB		 3261 len = strlen(str);
3262 readline_set_completion_index(rs, len);
3263 list = elt = object_class_get_list(TYPE_DEVICE, false);
3264 while (elt) {
3265 const char *name;
3266 DeviceClass *dc = OBJECT_CLASS_CHECK(DeviceClass, elt->data,
3267 TYPE_DEVICE);
3268 name = object_class_get_name(OBJECT_CLASS(dc));
2da1b3ab
HB		 3269
3270 if (!dc->cannot_instantiate_with_device_add_yet
3271 && !strncmp(name, str, len)) {
992d3e64
HB		 3272 readline_add_completion(rs, name);
3273 }
3274 elt = elt->next;
3275 }
3276 g_slist_free(list);
3277}
3278
bfa40f77 3279void object_add_completion(ReadLineState *rs, int nb_args, const char *str)
1094fd3a
HB		 3280{
3281 GSList *list, *elt;
3282 size_t len;
3283
bfa40f77
HB		 3284 if (nb_args != 2) {
3285 return;
3286 }
3287
1094fd3a
HB		 3288 len = strlen(str);
3289 readline_set_completion_index(rs, len);
3290 list = elt = object_class_get_list(TYPE_USER_CREATABLE, false);
3291 while (elt) {
3292 const char *name;
3293
3294 name = object_class_get_name(OBJECT_CLASS(elt->data));
3295 if (!strncmp(name, str, len) && strcmp(name, TYPE_USER_CREATABLE)) {
3296 readline_add_completion(rs, name);
3297 }
3298 elt = elt->next;
3299 }
3300 g_slist_free(list);
3301}
3302
6a1fa9f5
ZG		 3303static void peripheral_device_del_completion(ReadLineState *rs,
3304 const char *str, size_t len)
3305{
4cae4d5a
MA		 3306 Object *peripheral = container_get(qdev_get_machine(), "/peripheral");
3307 GSList *list, *item;
6a1fa9f5 3308
4cae4d5a
MA		 3309 list = qdev_build_hotpluggable_device_list(peripheral);
3310 if (!list) {
6a1fa9f5
ZG		 3311 return;
3312 }
3313
6a1fa9f5
ZG		 3314 for (item = list; item; item = g_slist_next(item)) {
3315 DeviceState *dev = item->data;
3316
3317 if (dev->id && !strncmp(str, dev->id, len)) {
3318 readline_add_completion(rs, dev->id);
3319 }
3320 }
3321
3322 g_slist_free(list);
3323}
3324
6297d9a2
HB		 3325void chardev_remove_completion(ReadLineState *rs, int nb_args, const char *str)
3326{
3327 size_t len;
3328 ChardevInfoList *list, *start;
3329
3330 if (nb_args != 2) {
3331 return;
3332 }
3333 len = strlen(str);
3334 readline_set_completion_index(rs, len);
3335
3336 start = list = qmp_query_chardev(NULL);
3337 while (list) {
3338 ChardevInfo *chr = list->value;
3339
3340 if (!strncmp(chr->label, str, len)) {
3341 readline_add_completion(rs, chr->label);
3342 }
3343 list = list->next;
3344 }
3345 qapi_free_ChardevInfoList(start);
3346}
3347
8e597779
HB		 3348static void ringbuf_completion(ReadLineState *rs, const char *str)
3349{
3350 size_t len;
3351 ChardevInfoList *list, *start;
3352
3353 len = strlen(str);
3354 readline_set_completion_index(rs, len);
3355
3356 start = list = qmp_query_chardev(NULL);
3357 while (list) {
3358 ChardevInfo *chr_info = list->value;
3359
3360 if (!strncmp(chr_info->label, str, len)) {
0ec7b3e7 3361 Chardev *chr = qemu_chr_find(chr_info->label);
777357d7 3362 if (chr && CHARDEV_IS_RINGBUF(chr)) {
8e597779
HB		 3363 readline_add_completion(rs, chr_info->label);
3364 }
3365 }
3366 list = list->next;
3367 }
3368 qapi_free_ChardevInfoList(start);
3369}
3370
8e597779
HB		 3371void ringbuf_write_completion(ReadLineState *rs, int nb_args, const char *str)
3372{
3373 if (nb_args != 2) {
3374 return;
3375 }
3376 ringbuf_completion(rs, str);
3377}
3378
2da1b3ab
HB		 3379void device_del_completion(ReadLineState *rs, int nb_args, const char *str)
3380{
3381 size_t len;
3382
3383 if (nb_args != 2) {
3384 return;
3385 }
3386
3387 len = strlen(str);
3388 readline_set_completion_index(rs, len);
6a1fa9f5 3389 peripheral_device_del_completion(rs, str, len);
2da1b3ab
HB		 3390}
3391
bfa40f77 3392void object_del_completion(ReadLineState *rs, int nb_args, const char *str)
b48fa074
HB		 3393{
3394 ObjectPropertyInfoList *list, *start;
3395 size_t len;
3396
bfa40f77
HB		 3397 if (nb_args != 2) {
3398 return;
3399 }
b48fa074
HB		 3400 len = strlen(str);
3401 readline_set_completion_index(rs, len);
3402
3403 start = list = qmp_qom_list("/objects", NULL);
3404 while (list) {
3405 ObjectPropertyInfo *info = list->value;
3406
3407 if (!strncmp(info->type, "child<", 5)
3408 && !strncmp(info->name, str, len)) {
3409 readline_add_completion(rs, info->name);
3410 }
3411 list = list->next;
3412 }
3413 qapi_free_ObjectPropertyInfoList(start);
3414}
3415
29136cd8
HB		 3416void sendkey_completion(ReadLineState *rs, int nb_args, const char *str)
3417{
3418 int i;
3419 char *sep;
3420 size_t len;
3421
3422 if (nb_args != 2) {
3423 return;
3424 }
3425 sep = strrchr(str, '-');
3426 if (sep) {
3427 str = sep + 1;
3428 }
3429 len = strlen(str);
3430 readline_set_completion_index(rs, len);
7fb1cf16 3431 for (i = 0; i < Q_KEY_CODE__MAX; i++) {
29136cd8
HB		 3432 if (!strncmp(str, QKeyCode_lookup[i], len)) {
3433 readline_add_completion(rs, QKeyCode_lookup[i]);
3434 }
3435 }
3436}
3437
40d19394
HB		 3438void set_link_completion(ReadLineState *rs, int nb_args, const char *str)
3439{
3440 size_t len;
3441
3442 len = strlen(str);
3443 readline_set_completion_index(rs, len);
3444 if (nb_args == 2) {
eaed483c 3445 NetClientState *ncs[MAX_QUEUE_NUM];
40d19394
HB		 3446 int count, i;
3447 count = qemu_find_net_clients_except(NULL, ncs,
f394b2e2 3448 NET_CLIENT_DRIVER_NONE,
eaed483c 3449 MAX_QUEUE_NUM);
bcfa4d60 3450 for (i = 0; i < MIN(count, MAX_QUEUE_NUM); i++) {
40d19394
HB		 3451 const char *name = ncs[i]->name;
3452 if (!strncmp(str, name, len)) {
3453 readline_add_completion(rs, name);
3454 }
3455 }
3456 } else if (nb_args == 3) {
3457 add_completion_option(rs, str, "on");
3458 add_completion_option(rs, str, "off");
3459 }
3460}
3461
11b389f2
HB		 3462void netdev_del_completion(ReadLineState *rs, int nb_args, const char *str)
3463{
3464 int len, count, i;
eaed483c 3465 NetClientState *ncs[MAX_QUEUE_NUM];
11b389f2
HB		 3466
3467 if (nb_args != 2) {
3468 return;
3469 }
3470
3471 len = strlen(str);
3472 readline_set_completion_index(rs, len);
f394b2e2 3473 count = qemu_find_net_clients_except(NULL, ncs, NET_CLIENT_DRIVER_NIC,
eaed483c 3474 MAX_QUEUE_NUM);
bcfa4d60 3475 for (i = 0; i < MIN(count, MAX_QUEUE_NUM); i++) {
11b389f2
HB		 3476 QemuOpts *opts;
3477 const char *name = ncs[i]->name;
3478 if (strncmp(str, name, len)) {
3479 continue;
3480 }
3481 opts = qemu_opts_find(qemu_find_opts_err("netdev", NULL), name);
3482 if (opts) {
3483 readline_add_completion(rs, name);
3484 }
3485 }
3486}
3487
bd71211d
LV		 3488void info_trace_events_completion(ReadLineState *rs, int nb_args, const char *str)
3489{
3490 size_t len;
3491
3492 len = strlen(str);
3493 readline_set_completion_index(rs, len);
3494 if (nb_args == 2) {
0d4e995c
DB		 3495 TraceEventIter iter;
3496 TraceEvent *ev;
3497 char *pattern = g_strdup_printf("%s*", str);
3498 trace_event_iter_init(&iter, pattern);
3499 while ((ev = trace_event_iter_next(&iter)) != NULL) {
3500 readline_add_completion(rs, trace_event_get_name(ev));
bd71211d 3501 }
0d4e995c 3502 g_free(pattern);
bd71211d
LV		 3503 }
3504}
3505
987bd270
DDAG		 3506void trace_event_completion(ReadLineState *rs, int nb_args, const char *str)
3507{
3508 size_t len;
3509
3510 len = strlen(str);
3511 readline_set_completion_index(rs, len);
3512 if (nb_args == 2) {
0d4e995c
DB		 3513 TraceEventIter iter;
3514 TraceEvent *ev;
3515 char *pattern = g_strdup_printf("%s*", str);
3516 trace_event_iter_init(&iter, pattern);
3517 while ((ev = trace_event_iter_next(&iter)) != NULL) {
3518 readline_add_completion(rs, trace_event_get_name(ev));
3519 }
3520 g_free(pattern);
987bd270
DDAG		 3521 } else if (nb_args == 3) {
3522 add_completion_option(rs, str, "on");
3523 add_completion_option(rs, str, "off");
3524 }
3525}
3526
d0ece345
HB		 3527void watchdog_action_completion(ReadLineState *rs, int nb_args, const char *str)
3528{
4bb08af3
HB		 3529 int i;
3530
d0ece345
HB		 3531 if (nb_args != 2) {
3532 return;
3533 }
3534 readline_set_completion_index(rs, strlen(str));
4bb08af3
HB		 3535 for (i = 0; WatchdogExpirationAction_lookup[i]; i++) {
3536 add_completion_option(rs, str, WatchdogExpirationAction_lookup[i]);
3537 }
d0ece345
HB		 3538}
3539
c68a0409
HB		 3540void migrate_set_capability_completion(ReadLineState *rs, int nb_args,
3541 const char *str)
3542{
3543 size_t len;
3544
3545 len = strlen(str);
3546 readline_set_completion_index(rs, len);
3547 if (nb_args == 2) {
3548 int i;
7fb1cf16 3549 for (i = 0; i < MIGRATION_CAPABILITY__MAX; i++) {
c68a0409
HB		 3550 const char *name = MigrationCapability_lookup[i];
3551 if (!strncmp(str, name, len)) {
3552 readline_add_completion(rs, name);
3553 }
3554 }
3555 } else if (nb_args == 3) {
3556 add_completion_option(rs, str, "on");
3557 add_completion_option(rs, str, "off");
3558 }
3559}
3560
50e9a629
LL		 3561void migrate_set_parameter_completion(ReadLineState *rs, int nb_args,
3562 const char *str)
3563{
3564 size_t len;
3565
3566 len = strlen(str);
3567 readline_set_completion_index(rs, len);
3568 if (nb_args == 2) {
3569 int i;
7fb1cf16 3570 for (i = 0; i < MIGRATION_PARAMETER__MAX; i++) {
50e9a629
LL		 3571 const char *name = MigrationParameter_lookup[i];
3572 if (!strncmp(str, name, len)) {
3573 readline_add_completion(rs, name);
3574 }
3575 }
3576 }
3577}
3578
e3bb532c
HB		 3579void host_net_add_completion(ReadLineState *rs, int nb_args, const char *str)
3580{
3581 int i;
3582 size_t len;
3583 if (nb_args != 2) {
3584 return;
3585 }
3586 len = strlen(str);
3587 readline_set_completion_index(rs, len);
3588 for (i = 0; host_net_devices[i]; i++) {
3589 if (!strncmp(host_net_devices[i], str, len)) {
3590 readline_add_completion(rs, host_net_devices[i]);
3591 }
3592 }
3593}
3594
ddd6b45c
HB		 3595void host_net_remove_completion(ReadLineState *rs, int nb_args, const char *str)
3596{
eaed483c 3597 NetClientState *ncs[MAX_QUEUE_NUM];
ddd6b45c
HB		 3598 int count, i, len;
3599
3600 len = strlen(str);
3601 readline_set_completion_index(rs, len);
3602 if (nb_args == 2) {
3603 count = qemu_find_net_clients_except(NULL, ncs,
f394b2e2 3604 NET_CLIENT_DRIVER_NONE,
eaed483c 3605 MAX_QUEUE_NUM);
bcfa4d60 3606 for (i = 0; i < MIN(count, MAX_QUEUE_NUM); i++) {
ddd6b45c
HB		 3607 int id;
3608 char name[16];
3609
3610 if (net_hub_id_for_client(ncs[i], &id)) {
3611 continue;
3612 }
3613 snprintf(name, sizeof(name), "%d", id);
3614 if (!strncmp(str, name, len)) {
3615 readline_add_completion(rs, name);
3616 }
3617 }
3618 return;
3619 } else if (nb_args == 3) {
3620 count = qemu_find_net_clients_except(NULL, ncs,
f394b2e2 3621 NET_CLIENT_DRIVER_NIC,
eaed483c 3622 MAX_QUEUE_NUM);
bcfa4d60 3623 for (i = 0; i < MIN(count, MAX_QUEUE_NUM); i++) {
2c4681f5 3624 int id;
ddd6b45c
HB		 3625 const char *name;
3626
f394b2e2 3627 if (ncs[i]->info->type == NET_CLIENT_DRIVER_HUBPORT ||
2c4681f5
JW		 3628 net_hub_id_for_client(ncs[i], &id)) {
3629 continue;
3630 }
ddd6b45c
HB		 3631 name = ncs[i]->name;
3632 if (!strncmp(str, name, len)) {
3633 readline_add_completion(rs, name);
3634 }
3635 }
3636 return;
3637 }
3638}
3639
b21631f3
HB		 3640static void vm_completion(ReadLineState *rs, const char *str)
3641{
3642 size_t len;
7c8eece4 3643 BlockDriverState *bs;
88be7b4b 3644 BdrvNextIterator it;
b21631f3
HB		 3645
3646 len = strlen(str);
3647 readline_set_completion_index(rs, len);
7c8eece4 3648
88be7b4b 3649 for (bs = bdrv_first(&it); bs; bs = bdrv_next(&it)) {
b21631f3 3650 SnapshotInfoList *snapshots, *snapshot;
6bf1faa8
DL		 3651 AioContext *ctx = bdrv_get_aio_context(bs);
3652 bool ok = false;
b21631f3 3653
6bf1faa8
DL		 3654 aio_context_acquire(ctx);
3655 if (bdrv_can_snapshot(bs)) {
3656 ok = bdrv_query_snapshot_info_list(bs, &snapshots, NULL) == 0;
b21631f3 3657 }
6bf1faa8
DL		 3658 aio_context_release(ctx);
3659 if (!ok) {
b21631f3
HB		 3660 continue;
3661 }
6bf1faa8 3662
b21631f3
HB		 3663 snapshot = snapshots;
3664 while (snapshot) {
3665 char *completion = snapshot->value->name;
3666 if (!strncmp(str, completion, len)) {
3667 readline_add_completion(rs, completion);
3668 }
3669 completion = snapshot->value->id;
3670 if (!strncmp(str, completion, len)) {
3671 readline_add_completion(rs, completion);
3672 }
3673 snapshot = snapshot->next;
3674 }
3675 qapi_free_SnapshotInfoList(snapshots);
3676 }
3677
3678}
3679
3680void delvm_completion(ReadLineState *rs, int nb_args, const char *str)
3681{
3682 if (nb_args == 2) {
3683 vm_completion(rs, str);
3684 }
3685}
3686
3687void loadvm_completion(ReadLineState *rs, int nb_args, const char *str)
3688{
3689 if (nb_args == 2) {
3690 vm_completion(rs, str);
3691 }
3692}
3693
c35b6400
WX		 3694static void monitor_find_completion_by_table(Monitor *mon,
3695 const mon_cmd_t *cmd_table,
3696 char **args,
3697 int nb_args)
81d0912d
FB		 3698{
3699 const char *cmdname;
c35b6400 3700 int i;
fea68bb6 3701 const char *ptype, *str, *name;
c227f099 3702 const mon_cmd_t *cmd;
da27a00e 3703 BlockBackend *blk = NULL;
81d0912d 3704
81d0912d
FB		 3705 if (nb_args <= 1) {
3706 /* command completion */
3707 if (nb_args == 0)
3708 cmdname = "";
3709 else
3710 cmdname = args[0];
d2674b2c 3711 readline_set_completion_index(mon->rs, strlen(cmdname));
c35b6400 3712 for (cmd = cmd_table; cmd->name != NULL; cmd++) {
cd5c6bba 3713 cmd_completion(mon, cmdname, cmd->name);
81d0912d
FB		 3714 }
3715 } else {
3716 /* find the command */
c35b6400 3717 for (cmd = cmd_table; cmd->name != NULL; cmd++) {
03a63484
JK		 3718 if (compare_cmd(args[0], cmd->name)) {
3719 break;
3720 }
81d0912d 3721 }
03a63484 3722 if (!cmd->name) {
c35b6400 3723 return;
03a63484
JK		 3724 }
3725
d903a779
WX		 3726 if (cmd->sub_table) {
3727 /* do the job again */
e7ae771f
SW		 3728 monitor_find_completion_by_table(mon, cmd->sub_table,
3729 &args[1], nb_args - 1);
3730 return;
d903a779 3731 }
bfa40f77 3732 if (cmd->command_completion) {
e7ae771f
SW		 3733 cmd->command_completion(mon->rs, nb_args, args[nb_args - 1]);
3734 return;
bfa40f77 3735 }
d903a779 3736
4d76d2ba 3737 ptype = next_arg_type(cmd->args_type);
81d0912d
FB		 3738 for(i = 0; i < nb_args - 2; i++) {
3739 if (*ptype != '\0') {
4d76d2ba 3740 ptype = next_arg_type(ptype);
81d0912d 3741 while (*ptype == '?')
4d76d2ba 3742 ptype = next_arg_type(ptype);
81d0912d
FB		 3743 }
3744 }
3745 str = args[nb_args - 1];
48fe86f6 3746 while (*ptype == '-' && ptype[1] != '\0') {
3b6dbf27 3747 ptype = next_arg_type(ptype);
2a1704a7 3748 }
81d0912d
FB		 3749 switch(*ptype) {
3750 case 'F':
3751 /* file completion */
d2674b2c 3752 readline_set_completion_index(mon->rs, strlen(str));
cb8f68b1 3753 file_completion(mon, str);
81d0912d
FB		 3754 break;
3755 case 'B':
3756 /* block device name completion */
599a926a 3757 readline_set_completion_index(mon->rs, strlen(str));
da27a00e
HR		 3758 while ((blk = blk_next(blk)) != NULL) {
3759 name = blk_name(blk);
fea68bb6
MA		 3760 if (str[0] == '\0' ||
3761 !strncmp(name, str, strlen(str))) {
3762 readline_add_completion(mon->rs, name);
3763 }
3764 }
81d0912d 3765 break;
7fe48483 3766 case 's':
129be006 3767 case 'S':
29136cd8 3768 if (!strcmp(cmd->name, "help|?")) {
7ca0e061
WX		 3769 monitor_find_completion_by_table(mon, cmd_table,
3770 &args[1], nb_args - 1);
7fe48483
FB		 3771 }
3772 break;
81d0912d
FB		 3773 default:
3774 break;
3775 }
3776 }
c35b6400
WX		 3777}
3778
c60bf339 3779static void monitor_find_completion(void *opaque,
c35b6400
WX		 3780 const char *cmdline)
3781{
c60bf339 3782 Monitor *mon = opaque;
c35b6400
WX		 3783 char *args[MAX_ARGS];
3784 int nb_args, len;
3785
3786 /* 1. parse the cmdline */
3787 if (parse_cmdline(cmdline, &nb_args, args) < 0) {
3788 return;
3789 }
c35b6400
WX		 3790
3791 /* if the line ends with a space, it means we want to complete the
3792 next arg */
3793 len = strlen(cmdline);
3794 if (len > 0 && qemu_isspace(cmdline[len - 1])) {
3795 if (nb_args >= MAX_ARGS) {
3796 goto cleanup;
3797 }
3798 args[nb_args++] = g_strdup("");
3799 }
3800
3801 /* 2. auto complete according to args */
3802 monitor_find_completion_by_table(mon, mon->cmd_table, args, nb_args);
03a63484
JK		 3803
3804cleanup:
dcc70cdf 3805 free_cmdline_args(args, nb_args);
81d0912d
FB		 3806}
3807
731b0364 3808static int monitor_can_read(void *opaque)
9dc39cba 3809{
731b0364
AL		 3810 Monitor *mon = opaque;
3811
c62313bb 3812 return (mon->suspend_cnt == 0) ? 1 : 0;
9dc39cba
FB		 3813}
3814
95385fe9 3815static void handle_qmp_command(JSONMessageParser *parser, GQueue *tokens)
5fa737a4 3816{
5c678ee8
MAL		 3817 QObject *req, *rsp = NULL, *id = NULL;
3818 QDict *qdict = NULL;
5fa737a4 3819 Monitor *mon = cur_mon;
5c678ee8 3820 Error *err = NULL;
5fa737a4 3821
5c678ee8 3822 req = json_parser_parse_err(tokens, NULL, &err);
bbf1028a
MA		 3823 if (!req && !err) {
3824 /* json_parser_parse_err() sucks: can fail without setting @err */
3825 error_setg(&err, QERR_JSON_PARSING);
3826 }
3827 if (err) {
5fa737a4 3828 goto err_out;
5fa737a4
LC		 3829 }
3830
104fc302
MA		 3831 qdict = qobject_to_qdict(req);
3832 if (qdict) {
3833 id = qdict_get(qdict, "id");
3834 qobject_incref(id);
3835 qdict_del(qdict, "id");
3836 } /* else will fail qmp_dispatch() */
5c678ee8 3837
635db18f 3838 rsp = qmp_dispatch(cur_mon->qmp.commands, req);
5fa737a4 3839
635db18f
MA		 3840 if (mon->qmp.commands == &qmp_cap_negotiation_commands) {
3841 qdict = qdict_get_qdict(qobject_to_qdict(rsp), "error");
3842 if (qdict
3843 && !g_strcmp0(qdict_get_try_str(qdict, "class"),
3844 QapiErrorClass_lookup[ERROR_CLASS_COMMAND_NOT_FOUND])) {
3845 /* Provide a more useful error message */
3846 qdict_del(qdict, "desc");
3847 qdict_put(qdict, "desc",
3848 qstring_from_str("Expecting capabilities negotiation"
3849 " with 'qmp_capabilities'"));
3850 }
3851 }
5fa737a4 3852
5c678ee8
MAL		 3853err_out:
3854 if (err) {
3855 qdict = qdict_new();
3856 qdict_put_obj(qdict, "error", qmp_build_error_object(err));
3857 error_free(err);
3858 rsp = QOBJECT(qdict);
5fa737a4
LC		 3859 }
3860
5c678ee8
MAL		 3861 if (rsp) {
3862 if (id) {
3863 qdict_put_obj(qobject_to_qdict(rsp), "id", id);
3864 id = NULL;
3865 }
5fa737a4 3866
5c678ee8
MAL		 3867 monitor_json_emitter(mon, rsp);
3868 }
3869
3870 qobject_decref(id);
3871 qobject_decref(rsp);
3872 qobject_decref(req);
5fa737a4
LC		 3873}
3874
c83fe23b 3875static void monitor_qmp_read(void *opaque, const uint8_t *buf, int size)
9b57c02e
LC		 3876{
3877 Monitor *old_mon = cur_mon;
3878
3879 cur_mon = opaque;
3880
74358f2a 3881 json_message_parser_feed(&cur_mon->qmp.parser, (const char *) buf, size);
9b57c02e
LC		 3882
3883 cur_mon = old_mon;
3884}
3885
731b0364 3886static void monitor_read(void *opaque, const uint8_t *buf, int size)
9dc39cba 3887{
731b0364 3888 Monitor *old_mon = cur_mon;
7e2515e8 3889 int i;
376253ec 3890
731b0364
AL		 3891 cur_mon = opaque;
3892
cde76ee1
AL		 3893 if (cur_mon->rs) {
3894 for (i = 0; i < size; i++)
3895 readline_handle_byte(cur_mon->rs, buf[i]);
3896 } else {
3897 if (size == 0 || buf[size - 1] != 0)
3898 monitor_printf(cur_mon, "corrupted command\n");
3899 else
7ef6cf63 3900 handle_hmp_command(cur_mon, (char *)buf);
cde76ee1 3901 }
9dc39cba 3902
731b0364
AL		 3903 cur_mon = old_mon;
3904}
d8f44609 3905
c60bf339
SH		 3906static void monitor_command_cb(void *opaque, const char *cmdline,
3907 void *readline_opaque)
aa455485 3908{
c60bf339
SH		 3909 Monitor *mon = opaque;
3910
731b0364 3911 monitor_suspend(mon);
7ef6cf63 3912 handle_hmp_command(mon, cmdline);
731b0364 3913 monitor_resume(mon);
d8f44609
AL		 3914}
3915
cde76ee1 3916int monitor_suspend(Monitor *mon)
d8f44609 3917{
cde76ee1
AL		 3918 if (!mon->rs)
3919 return -ENOTTY;
731b0364 3920 mon->suspend_cnt++;
cde76ee1 3921 return 0;
d8f44609
AL		 3922}
3923
376253ec 3924void monitor_resume(Monitor *mon)
d8f44609 3925{
cde76ee1
AL		 3926 if (!mon->rs)
3927 return;
731b0364
AL		 3928 if (--mon->suspend_cnt == 0)
3929 readline_show_prompt(mon->rs);
aa455485
FB		 3930}
3931
ca9567e2
LC		 3932static QObject *get_qmp_greeting(void)
3933{
b9c15f16 3934 QObject *ver = NULL;
ca9567e2 3935
7fad30f0 3936 qmp_marshal_query_version(NULL, &ver, NULL);
c823501e
MAL		 3937
3938 return qobject_from_jsonf("{'QMP': {'version': %p, 'capabilities': []}}",
3939 ver);
ca9567e2
LC		 3940}
3941
c83fe23b 3942static void monitor_qmp_event(void *opaque, int event)
9b57c02e 3943{
47116d1c
LC		 3944 QObject *data;
3945 Monitor *mon = opaque;
9b57c02e 3946
47116d1c
LC		 3947 switch (event) {
3948 case CHR_EVENT_OPENED:
635db18f 3949 mon->qmp.commands = &qmp_cap_negotiation_commands;
ca9567e2 3950 data = get_qmp_greeting();
9b57c02e
LC		 3951 monitor_json_emitter(mon, data);
3952 qobject_decref(data);
efb87c16 3953 mon_refcount++;
47116d1c
LC		 3954 break;
3955 case CHR_EVENT_CLOSED:
74358f2a
MA		 3956 json_message_parser_destroy(&mon->qmp.parser);
3957 json_message_parser_init(&mon->qmp.parser, handle_qmp_command);
efb87c16
CB		 3958 mon_refcount--;
3959 monitor_fdsets_cleanup();
47116d1c 3960 break;
9b57c02e
LC		 3961 }
3962}
3963
731b0364 3964static void monitor_event(void *opaque, int event)
86e94dea 3965{
376253ec
AL		 3966 Monitor *mon = opaque;
3967
2724b180
AL		 3968 switch (event) {
3969 case CHR_EVENT_MUX_IN:
6cff3e85 3970 qemu_mutex_lock(&mon->out_lock);
a7aec5da 3971 mon->mux_out = 0;
6cff3e85 3972 qemu_mutex_unlock(&mon->out_lock);
a7aec5da
GH		 3973 if (mon->reset_seen) {
3974 readline_restart(mon->rs);
3975 monitor_resume(mon);
3976 monitor_flush(mon);
3977 } else {
3978 mon->suspend_cnt = 0;
3979 }
2724b180
AL		 3980 break;
3981
3982 case CHR_EVENT_MUX_OUT:
a7aec5da
GH		 3983 if (mon->reset_seen) {
3984 if (mon->suspend_cnt == 0) {
3985 monitor_printf(mon, "\n");
3986 }
3987 monitor_flush(mon);
3988 monitor_suspend(mon);
3989 } else {
3990 mon->suspend_cnt++;
3991 }
6cff3e85 3992 qemu_mutex_lock(&mon->out_lock);
a7aec5da 3993 mon->mux_out = 1;
6cff3e85 3994 qemu_mutex_unlock(&mon->out_lock);
2724b180 3995 break;
86e94dea 3996
b6b8df56 3997 case CHR_EVENT_OPENED:
2724b180
AL		 3998 monitor_printf(mon, "QEMU %s monitor - type 'help' for more "
3999 "information\n", QEMU_VERSION);
a7aec5da 4000 if (!mon->mux_out) {
e5554e20 4001 readline_restart(mon->rs);
2724b180 4002 readline_show_prompt(mon->rs);
a7aec5da
GH		 4003 }
4004 mon->reset_seen = 1;
efb87c16
CB		 4005 mon_refcount++;
4006 break;
4007
4008 case CHR_EVENT_CLOSED:
4009 mon_refcount--;
4010 monitor_fdsets_cleanup();
2724b180
AL		 4011 break;
4012 }
86e94dea
TS		 4013}
4014
816f8925
WX		 4015static int
4016compare_mon_cmd(const void *a, const void *b)
4017{
4018 return strcmp(((const mon_cmd_t *)a)->name,
4019 ((const mon_cmd_t *)b)->name);
4020}
4021
4022static void sortcmdlist(void)
4023{
4024 int array_num;
4025 int elem_size = sizeof(mon_cmd_t);
4026
4027 array_num = sizeof(mon_cmds)/elem_size-1;
4028 qsort((void *)mon_cmds, array_num, elem_size, compare_mon_cmd);
4029
4030 array_num = sizeof(info_cmds)/elem_size-1;
4031 qsort((void *)info_cmds, array_num, elem_size, compare_mon_cmd);
4032}
4033
c60bf339
SH		 4034/* These functions just adapt the readline interface in a typesafe way. We
4035 * could cast function pointers but that discards compiler checks.
4036 */
d5d1507b
SW		 4037static void GCC_FMT_ATTR(2, 3) monitor_readline_printf(void *opaque,
4038 const char *fmt, ...)
c60bf339
SH		 4039{
4040 va_list ap;
4041 va_start(ap, fmt);
4042 monitor_vprintf(opaque, fmt, ap);
4043 va_end(ap);
4044}
4045
4046static void monitor_readline_flush(void *opaque)
4047{
4048 monitor_flush(opaque);
4049}
4050
397d30e9
PB		 4051/*
4052 * Print to current monitor if we have one, else to stderr.
4053 * TODO should return int, so callers can calculate width, but that
4054 * requires surgery to monitor_vprintf(). Left for another day.
4055 */
4056void error_vprintf(const char *fmt, va_list ap)
4057{
4058 if (cur_mon && !monitor_cur_is_qmp()) {
4059 monitor_vprintf(cur_mon, fmt, ap);
4060 } else {
4061 vfprintf(stderr, fmt, ap);
4062 }
4063}
4064
4065void error_vprintf_unless_qmp(const char *fmt, va_list ap)
4066{
4067 if (cur_mon && !monitor_cur_is_qmp()) {
4068 monitor_vprintf(cur_mon, fmt, ap);
0d6b50d4
MAL		 4069 } else if (!cur_mon) {
4070 vfprintf(stderr, fmt, ap);
397d30e9
PB		 4071 }
4072}
4073
d622cb58
PB		 4074static void __attribute__((constructor)) monitor_lock_init(void)
4075{
4076 qemu_mutex_init(&monitor_lock);
4077}
4078
0ec7b3e7 4079void monitor_init(Chardev *chr, int flags)
aa455485 4080{
731b0364 4081 static int is_first_init = 1;
87127161 4082 Monitor *mon;
20d8a3ed
TS		 4083
4084 if (is_first_init) {
43a14cfc 4085 monitor_qapi_event_init();
d038317c 4086 sortcmdlist();
20d8a3ed
TS		 4087 is_first_init = 0;
4088 }
87127161 4089
b01fe89e
WX		 4090 mon = g_malloc(sizeof(*mon));
4091 monitor_data_init(mon);
20d8a3ed 4092
32a6ebec 4093 qemu_chr_fe_init(&mon->chr, chr, &error_abort);
731b0364 4094 mon->flags = flags;
cde76ee1 4095 if (flags & MONITOR_USE_READLINE) {
c60bf339
SH		 4096 mon->rs = readline_init(monitor_readline_printf,
4097 monitor_readline_flush,
4098 mon,
4099 monitor_find_completion);
cde76ee1
AL		 4100 monitor_read_command(mon, 0);
4101 }
87127161 4102
9f3982f2 4103 if (monitor_is_qmp(mon)) {
5345fdb4 4104 qemu_chr_fe_set_handlers(&mon->chr, monitor_can_read, monitor_qmp_read,
39ab61c6 4105 monitor_qmp_event, mon, NULL, true);
5345fdb4 4106 qemu_chr_fe_set_echo(&mon->chr, true);
74358f2a 4107 json_message_parser_init(&mon->qmp.parser, handle_qmp_command);
9b57c02e 4108 } else {
5345fdb4 4109 qemu_chr_fe_set_handlers(&mon->chr, monitor_can_read, monitor_read,
39ab61c6 4110 monitor_event, mon, NULL, true);
9b57c02e 4111 }
87127161 4112
d622cb58 4113 qemu_mutex_lock(&monitor_lock);
72cf2d4f 4114 QLIST_INSERT_HEAD(&mon_list, mon, entry);
d622cb58 4115 qemu_mutex_unlock(&monitor_lock);
aa455485
FB		 4116}
4117
2ef45716
MAL		 4118void monitor_cleanup(void)
4119{
4120 Monitor *mon, *next;
4121
4122 qemu_mutex_lock(&monitor_lock);
4123 QLIST_FOREACH_SAFE(mon, &mon_list, entry, next) {
4124 QLIST_REMOVE(mon, entry);
4125 monitor_data_destroy(mon);
4126 g_free(mon);
4127 }
4128 qemu_mutex_unlock(&monitor_lock);
4129}
4130
c60bf339
SH		 4131static void bdrv_password_cb(void *opaque, const char *password,
4132 void *readline_opaque)
81d0912d 4133{
c60bf339
SH		 4134 Monitor *mon = opaque;
4135 BlockDriverState *bs = readline_opaque;
bb5fc20f 4136 int ret = 0;
4d2855a3 4137 Error *local_err = NULL;
81d0912d 4138
4d2855a3
MA		 4139 bdrv_add_key(bs, password, &local_err);
4140 if (local_err) {
193227f9 4141 error_report_err(local_err);
bb5fc20f 4142 ret = -EPERM;
9dc39cba 4143 }
731b0364
AL		 4144 if (mon->password_completion_cb)
4145 mon->password_completion_cb(mon->password_opaque, ret);
bb5fc20f 4146
731b0364 4147 monitor_read_command(mon, 1);
9dc39cba 4148}
c0f4ce77 4149
0bbc47bb 4150int monitor_read_bdrv_key_start(Monitor *mon, BlockDriverState *bs,
097310b5 4151 BlockCompletionFunc *completion_cb,
0bbc47bb 4152 void *opaque)
c0f4ce77 4153{
cde76ee1
AL		 4154 int err;
4155
376253ec
AL		 4156 monitor_printf(mon, "%s (%s) is encrypted.\n", bdrv_get_device_name(bs),
4157 bdrv_get_encrypted_filename(bs));
bb5fc20f 4158
731b0364
AL		 4159 mon->password_completion_cb = completion_cb;
4160 mon->password_opaque = opaque;
bb5fc20f 4161
cde76ee1
AL		 4162 err = monitor_read_password(mon, bdrv_password_cb, bs);
4163
4164 if (err && completion_cb)
4165 completion_cb(opaque, err);
0bbc47bb
LC		 4166
4167 return err;
c0f4ce77 4168}
e42e818b
LC		 4169
4170int monitor_read_block_device_key(Monitor *mon, const char *device,
097310b5 4171 BlockCompletionFunc *completion_cb,
e42e818b
LC		 4172 void *opaque)
4173{
9b14e0ef 4174 Error *err = NULL;
5560625b 4175 BlockBackend *blk;
e42e818b 4176
5560625b
FZ		 4177 blk = blk_by_name(device);
4178 if (!blk) {
e42e818b
LC		 4179 monitor_printf(mon, "Device not found %s\n", device);
4180 return -1;
4181 }
5433c24f
HR		 4182 if (!blk_bs(blk)) {
4183 monitor_printf(mon, "Device '%s' has no medium\n", device);
4184 return -1;
4185 }
e42e818b 4186
9b14e0ef
MA		 4187 bdrv_add_key(blk_bs(blk), NULL, &err);
4188 if (err) {
4189 error_free(err);
4190 return monitor_read_bdrv_key_start(mon, blk_bs(blk), completion_cb, opaque);
4191 }
4192
4193 if (completion_cb) {
4194 completion_cb(opaque, 0);
4195 }
4196 return 0;
e42e818b 4197}
4d454574
PB		 4198
4199QemuOptsList qemu_mon_opts = {
4200 .name = "mon",
4201 .implied_opt_name = "chardev",
4202 .head = QTAILQ_HEAD_INITIALIZER(qemu_mon_opts.head),
4203 .desc = {
4204 {
4205 .name = "mode",
4206 .type = QEMU_OPT_STRING,
4207 },{
4208 .name = "chardev",
4209 .type = QEMU_OPT_STRING,
4210 },{
bdbcb547 4211 .name = "default", /* deprecated */
4d454574
PB		 4212 .type = QEMU_OPT_BOOL,
4213 },{
4214 .name = "pretty",
4215 .type = QEMU_OPT_BOOL,
4216 },
4217 { /* end of list */ }
4218 },
4219};
f2ae8abf
MT		 4220
4221#ifndef TARGET_I386
4222void qmp_rtc_reset_reinjection(Error **errp)
4223{
c6bd8c70 4224 error_setg(errp, QERR_FEATURE_DISABLED, "rtc-reset-reinjection");
f2ae8abf
MT		 4225}
4226#endif
7ee0c3e3
JH		 4227
4228#ifndef TARGET_S390X
4229void qmp_dump_skeys(const char *filename, Error **errp)
4230{
4231 error_setg(errp, QERR_FEATURE_DISABLED, "dump-skeys");
4232}
4233#endif
ae50a770
PX		 4234
4235#ifndef TARGET_ARM
4236GICCapabilityList *qmp_query_gic_capabilities(Error **errp)
4237{
4238 error_setg(errp, QERR_FEATURE_DISABLED, "query-gic-capabilities");
4239 return NULL;
4240}
4241#endif
d4633541
IM		 4242
4243HotpluggableCPUList *qmp_query_hotpluggable_cpus(Error **errp)
4244{
4245 MachineState *ms = MACHINE(qdev_get_machine());
4246 MachineClass *mc = MACHINE_GET_CLASS(ms);
4247
c5514d0e 4248 if (!mc->has_hotpluggable_cpus) {
d4633541
IM		 4249 error_setg(errp, QERR_FEATURE_DISABLED, "query-hotpluggable-cpus");
4250 return NULL;
4251 }
4252
c5514d0e 4253 return machine_query_hotpluggable_cpus(ms);
d4633541 4254}
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