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kvmvapic: Remove user_creatable flag
[qemu.git] / monitor.c
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9dc39cba
FB		 1/*
2 * QEMU monitor
5fafdf24 3 *
9dc39cba 4 * Copyright (c) 2003-2004 Fabrice Bellard
5fafdf24 5 *
9dc39cba
FB		 6 * Permission is hereby granted, free of charge, to any person obtaining a copy
7 * of this software and associated documentation files (the "Software"), to deal
8 * in the Software without restriction, including without limitation the rights
9 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
10 * copies of the Software, and to permit persons to whom the Software is
11 * furnished to do so, subject to the following conditions:
12 *
13 * The above copyright notice and this permission notice shall be included in
14 * all copies or substantial portions of the Software.
15 *
16 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
17 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
18 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
19 * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
20 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
21 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
22 * THE SOFTWARE.
23 */
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"
e35704ba 40#include "sysemu/numa.h"
83c9089e 41#include "monitor/monitor.h"
213dcb06 42#include "qemu/config-file.h"
0150cd81 43#include "qemu/readline.h"
28ecbaee 44#include "ui/console.h"
c751a74a 45#include "ui/input.h"
9c17d615 46#include "sysemu/blockdev.h"
da27a00e 47#include "sysemu/block-backend.h"
87ecb68b 48#include "audio/audio.h"
76cad711 49#include "disas/disas.h"
9c17d615 50#include "sysemu/balloon.h"
1de7afc9 51#include "qemu/timer.h"
caf71f86 52#include "migration/migration.h"
b3946626 53#include "sysemu/hw_accel.h"
1de7afc9 54#include "qemu/acl.h"
bdee56f5 55#include "sysemu/tpm.h"
cc7a8ea7 56#include "qapi/qmp/qerror.h"
c7eb39cb 57#include "qapi/qmp/types.h"
7b1b5d19
PB		 58#include "qapi/qmp/qjson.h"
59#include "qapi/qmp/json-streamer.h"
60#include "qapi/qmp/json-parser.h"
a9c94277 61#include "qom/object_interfaces.h"
0ab8ed18 62#include "trace-root.h"
31965ae2 63#include "trace/control.h"
bf957284 64#include "monitor/hmp-target.h"
6d8a764e 65#ifdef CONFIG_TRACE_SIMPLE
31965ae2 66#include "trace/simple.h"
22890ab5 67#endif
022c62cb 68#include "exec/memory.h"
63c91552 69#include "exec/exec-all.h"
03dd024f 70#include "qemu/log.h"
48a32bed
AL		 71#include "qmp-commands.h"
72#include "hmp.h"
1de7afc9 73#include "qemu/thread.h"
b21631f3 74#include "block/qapi.h"
43a14cfc
WX		 75#include "qapi/qmp-event.h"
76#include "qapi-event.h"
39a18158 77#include "qmp-introspect.h"
dc599978 78#include "sysemu/qtest.h"
d2528bdc 79#include "sysemu/cpus.h"
f348b6d1 80#include "qemu/cutils.h"
edcfaefe 81#include "qapi/qmp/dispatch.h"
6a5bd307 82
a4538a5c
JH		 83#if defined(TARGET_S390X)
84#include "hw/s390x/storage-keys.h"
85#endif
86
9307c4c1
FB		 87/*
88 * Supported types:
5fafdf24 89 *
9307c4c1 90 * 'F' filename
81d0912d 91 * 'B' block device name
9307c4c1 92 * 's' string (accept optional quote)
129be006 93 * 'S' it just appends the rest of the string (accept optional quote)
361127df
MA		 94 * 'O' option string of the form NAME=VALUE,...
95 * parsed according to QemuOptsList given by its name
96 * Example: 'device:O' uses qemu_device_opts.
97 * Restriction: only lists with empty desc are supported
98 * TODO lift the restriction
92a31b1f
FB		 99 * 'i' 32 bit integer
100 * 'l' target long (32 or 64 bit)
91162849
LC		 101 * 'M' Non-negative target long (32 or 64 bit), in user mode the
102 * value is multiplied by 2^20 (think Mebibyte)
dbc0c67f 103 * 'o' octets (aka bytes)
5e00984a
KW		 104 * user mode accepts an optional E, e, P, p, T, t, G, g, M, m,
105 * K, k suffix, which multiplies the value by 2^60 for suffixes E
106 * and e, 2^50 for suffixes P and p, 2^40 for suffixes T and t,
107 * 2^30 for suffixes G and g, 2^20 for M and m, 2^10 for K and k
fccfb11e
MA		 108 * 'T' double
109 * user mode accepts an optional ms, us, ns suffix,
110 * which divides the value by 1e3, 1e6, 1e9, respectively
9307c4c1
FB		 111 * '/' optional gdb-like print format (like "/10x")
112 *
fb46660e
LC		 113 * '?' optional type (for all types, except '/')
114 * '.' other form of optional type (for 'i' and 'l')
942cd1f2
MA		 115 * 'b' boolean
116 * user mode accepts "on" or "off"
fb46660e 117 * '-' optional parameter (eg. '-f')
9307c4c1
FB		 118 *
119 */
120
c227f099 121typedef struct mon_cmd_t {
9dc39cba 122 const char *name;
9307c4c1 123 const char *args_type;
9dc39cba
FB		 124 const char *params;
125 const char *help;
2b9e3576
MAL		 126 void (*cmd)(Monitor *mon, const QDict *qdict);
127 /* @sub_table is a list of 2nd level of commands. If it does not exist,
128 * cmd should be used. If it exists, sub_table[?].cmd should be
129 * used, and cmd of 1st level plays the role of help function.
5f3d335f
WX		 130 */
131 struct mon_cmd_t *sub_table;
bfa40f77 132 void (*command_completion)(ReadLineState *rs, int nb_args, const char *str);
c227f099 133} mon_cmd_t;
9dc39cba 134
f07918fd 135/* file descriptors passed via SCM_RIGHTS */
c227f099
AL		 136typedef struct mon_fd_t mon_fd_t;
137struct mon_fd_t {
f07918fd
MM		 138 char *name;
139 int fd;
c227f099 140 QLIST_ENTRY(mon_fd_t) next;
f07918fd
MM		 141};
142
ba1c048a
CB		 143/* file descriptor associated with a file descriptor set */
144typedef struct MonFdsetFd MonFdsetFd;
145struct MonFdsetFd {
146 int fd;
147 bool removed;
148 char *opaque;
149 QLIST_ENTRY(MonFdsetFd) next;
150};
151
152/* file descriptor set containing fds passed via SCM_RIGHTS */
153typedef struct MonFdset MonFdset;
154struct MonFdset {
155 int64_t id;
156 QLIST_HEAD(, MonFdsetFd) fds;
adb696f3 157 QLIST_HEAD(, MonFdsetFd) dup_fds;
ba1c048a
CB		 158 QLIST_ENTRY(MonFdset) next;
159};
160
74358f2a 161typedef struct {
5fa737a4 162 JSONMessageParser parser;
f994b258
MA		 163 /*
164 * When a client connects, we're in capabilities negotiation mode.
165 * When command qmp_capabilities succeeds, we go into command
166 * mode.
167 */
635db18f 168 QmpCommandList *commands;
74358f2a 169} MonitorQMP;
5fa737a4 170
afeecec2
DB		 171/*
172 * To prevent flooding clients, events can be throttled. The
173 * throttling is calculated globally, rather than per-Monitor
174 * instance.
175 */
43a14cfc 176typedef struct MonitorQAPIEventState {
7de0be65
MA		 177 QAPIEvent event; /* Throttling state for this event type and... */
178 QDict *data; /* ... data, see qapi_event_throttle_equal() */
afeecec2 179 QEMUTimer *timer; /* Timer for handling delayed events */
688b4b7d 180 QDict *qdict; /* Delayed event (if any) */
43a14cfc 181} MonitorQAPIEventState;
afeecec2 182
b9b03ab0
MA		 183typedef struct {
184 int64_t rate; /* Minimum time (in ns) between two events */
185} MonitorQAPIEventConf;
186
87127161 187struct Monitor {
32a6ebec 188 CharBackend chr;
a7aec5da 189 int reset_seen;
731b0364
AL		 190 int flags;
191 int suspend_cnt;
48c043d0 192 bool skip_flush;
6cff3e85
PB		 193
194 QemuMutex out_lock;
e1f2641b 195 QString *outbuf;
6cff3e85
PB		 196 guint out_watch;
197
198 /* Read under either BQL or out_lock, written with BQL+out_lock. */
199 int mux_out;
200
731b0364 201 ReadLineState *rs;
74358f2a 202 MonitorQMP qmp;
cb446eca 203 CPUState *mon_cpu;
097310b5 204 BlockCompletionFunc *password_completion_cb;
731b0364 205 void *password_opaque;
7717239d 206 mon_cmd_t *cmd_table;
c227f099 207 QLIST_HEAD(,mon_fd_t) fds;
72cf2d4f 208 QLIST_ENTRY(Monitor) entry;
87127161
AL		 209};
210
2dbc8db0
LC		 211/* QMP checker flags */
212#define QMP_ACCEPT_UNKNOWNS 1
213
d622cb58
PB		 214/* Protects mon_list, monitor_event_state. */
215static QemuMutex monitor_lock;
216
72cf2d4f 217static QLIST_HEAD(mon_list, Monitor) mon_list;
ba1c048a 218static QLIST_HEAD(mon_fdsets, MonFdset) mon_fdsets;
efb87c16 219static int mon_refcount;
7e2515e8 220
816f8925
WX		 221static mon_cmd_t mon_cmds[];
222static mon_cmd_t info_cmds[];
9dc39cba 223
635db18f 224QmpCommandList qmp_commands, qmp_cap_negotiation_commands;
1527badb 225
8631b608 226Monitor *cur_mon;
376253ec 227
dc599978
AG		 228static QEMUClockType event_clock_type = QEMU_CLOCK_REALTIME;
229
c60bf339
SH		 230static void monitor_command_cb(void *opaque, const char *cmdline,
231 void *readline_opaque);
83ab7950 232
9f3982f2
MA		 233/**
234 * Is @mon a QMP monitor?
235 */
236static inline bool monitor_is_qmp(const Monitor *mon)
418173c7
LC		 237{
238 return (mon->flags & MONITOR_USE_CONTROL);
239}
240
489653b5
MA		 241/**
242 * Is the current monitor, if any, a QMP monitor?
243 */
244bool monitor_cur_is_qmp(void)
6620d3ce 245{
9f3982f2 246 return cur_mon && monitor_is_qmp(cur_mon);
6620d3ce
MA		 247}
248
7060b478 249void monitor_read_command(Monitor *mon, int show_prompt)
731b0364 250{
183e6e52
LC		 251 if (!mon->rs)
252 return;
253
731b0364
AL		 254 readline_start(mon->rs, "(qemu) ", 0, monitor_command_cb, NULL);
255 if (show_prompt)
256 readline_show_prompt(mon->rs);
257}
6a00d601 258
7060b478
AL		 259int monitor_read_password(Monitor *mon, ReadLineFunc *readline_func,
260 void *opaque)
bb5fc20f 261{
bcf5d19c 262 if (mon->rs) {
cde76ee1
AL		 263 readline_start(mon->rs, "Password: ", 1, readline_func, opaque);
264 /* prompt is printed on return from the command handler */
265 return 0;
266 } else {
267 monitor_printf(mon, "terminal does not support password prompting\n");
268 return -ENOTTY;
269 }
bb5fc20f
AL		 270}
271
6cff3e85
PB		 272static void monitor_flush_locked(Monitor *mon);
273
f628926b
GH		 274static gboolean monitor_unblocked(GIOChannel *chan, GIOCondition cond,
275 void *opaque)
276{
293d2a00
LE		 277 Monitor *mon = opaque;
278
6cff3e85
PB		 279 qemu_mutex_lock(&mon->out_lock);
280 mon->out_watch = 0;
281 monitor_flush_locked(mon);
282 qemu_mutex_unlock(&mon->out_lock);
f628926b
GH		 283 return FALSE;
284}
285
6cff3e85
PB		 286/* Called with mon->out_lock held. */
287static void monitor_flush_locked(Monitor *mon)
7e2515e8 288{
f628926b 289 int rc;
e1f2641b
LC		 290 size_t len;
291 const char *buf;
292
48c043d0
LC		 293 if (mon->skip_flush) {
294 return;
295 }
296
e1f2641b
LC		 297 buf = qstring_get_str(mon->outbuf);
298 len = qstring_get_length(mon->outbuf);
f628926b 299
a4cc73d6 300 if (len && !mon->mux_out) {
5345fdb4 301 rc = qemu_chr_fe_write(&mon->chr, (const uint8_t *) buf, len);
056f49ff
SP		 302 if ((rc < 0 && errno != EAGAIN) || (rc == len)) {
303 /* all flushed or error */
e1f2641b
LC		 304 QDECREF(mon->outbuf);
305 mon->outbuf = qstring_new();
f628926b
GH		 306 return;
307 }
308 if (rc > 0) {
3b7c78c8 309 /* partial write */
e1f2641b
LC		 310 QString *tmp = qstring_from_str(buf + rc);
311 QDECREF(mon->outbuf);
312 mon->outbuf = tmp;
f628926b 313 }
6cff3e85 314 if (mon->out_watch == 0) {
32a6ebec 315 mon->out_watch =
5345fdb4 316 qemu_chr_fe_add_watch(&mon->chr, G_IO_OUT | G_IO_HUP,
32a6ebec 317 monitor_unblocked, mon);
293d2a00 318 }
7e2515e8
FB		 319 }
320}
321
6cff3e85
PB		 322void monitor_flush(Monitor *mon)
323{
324 qemu_mutex_lock(&mon->out_lock);
325 monitor_flush_locked(mon);
326 qemu_mutex_unlock(&mon->out_lock);
327}
328
e1f2641b 329/* flush at every end of line */
376253ec 330static void monitor_puts(Monitor *mon, const char *str)
7e2515e8 331{
60fe76f3 332 char c;
731b0364 333
6cff3e85 334 qemu_mutex_lock(&mon->out_lock);
7e2515e8
FB		 335 for(;;) {
336 c = *str++;
337 if (c == '\0')
338 break;
e1f2641b
LC		 339 if (c == '\n') {
340 qstring_append_chr(mon->outbuf, '\r');
341 }
342 qstring_append_chr(mon->outbuf, c);
343 if (c == '\n') {
6cff3e85 344 monitor_flush_locked(mon);
e1f2641b 345 }
7e2515e8 346 }
6cff3e85 347 qemu_mutex_unlock(&mon->out_lock);
7e2515e8
FB		 348}
349
376253ec 350void monitor_vprintf(Monitor *mon, const char *fmt, va_list ap)
9dc39cba 351{
e1f2641b 352 char *buf;
b8b08266 353
2daa1191
LC		 354 if (!mon)
355 return;
356
9f3982f2 357 if (monitor_is_qmp(mon)) {
b8b08266 358 return;
4a29a85d 359 }
b8b08266 360
e1f2641b 361 buf = g_strdup_vprintf(fmt, ap);
b8b08266 362 monitor_puts(mon, buf);
e1f2641b 363 g_free(buf);
9dc39cba
FB		 364}
365
376253ec 366void monitor_printf(Monitor *mon, const char *fmt, ...)
9dc39cba 367{
7e2515e8
FB		 368 va_list ap;
369 va_start(ap, fmt);
376253ec 370 monitor_vprintf(mon, fmt, ap);
7e2515e8 371 va_end(ap);
9dc39cba
FB		 372}
373
caf15319 374int monitor_fprintf(FILE *stream, const char *fmt, ...)
7fe48483
FB		 375{
376 va_list ap;
377 va_start(ap, fmt);
376253ec 378 monitor_vprintf((Monitor *)stream, fmt, ap);
7fe48483
FB		 379 va_end(ap);
380 return 0;
381}
382
9b57c02e
LC		 383static void monitor_json_emitter(Monitor *mon, const QObject *data)
384{
385 QString *json;
386
83a27d4d
LC		 387 json = mon->flags & MONITOR_USE_PRETTY ? qobject_to_json_pretty(data) :
388 qobject_to_json(data);
9b57c02e
LC		 389 assert(json != NULL);
390
b8b08266
LC		 391 qstring_append_chr(json, '\n');
392 monitor_puts(mon, qstring_get_str(json));
4a29a85d 393
9b57c02e
LC		 394 QDECREF(json);
395}
396
7fb1cf16 397static MonitorQAPIEventConf monitor_qapi_event_conf[QAPI_EVENT__MAX] = {
b9b03ab0
MA		 398 /* Limit guest-triggerable events to 1 per second */
399 [QAPI_EVENT_RTC_CHANGE] = { 1000 * SCALE_MS },
400 [QAPI_EVENT_WATCHDOG] = { 1000 * SCALE_MS },
401 [QAPI_EVENT_BALLOON_CHANGE] = { 1000 * SCALE_MS },
402 [QAPI_EVENT_QUORUM_REPORT_BAD] = { 1000 * SCALE_MS },
403 [QAPI_EVENT_QUORUM_FAILURE] = { 1000 * SCALE_MS },
404 [QAPI_EVENT_VSERPORT_CHANGE] = { 1000 * SCALE_MS },
405};
406
a24712af 407GHashTable *monitor_qapi_event_state;
afeecec2
DB		 408
409/*
43a14cfc 410 * Emits the event to every monitor instance, @event is only used for trace
d622cb58 411 * Called with monitor_lock held.
afeecec2 412 */
688b4b7d 413static void monitor_qapi_event_emit(QAPIEvent event, QDict *qdict)
afeecec2
DB		 414{
415 Monitor *mon;
416
688b4b7d 417 trace_monitor_protocol_event_emit(event, qdict);
afeecec2 418 QLIST_FOREACH(mon, &mon_list, entry) {
635db18f
MA		 419 if (monitor_is_qmp(mon)
420 && mon->qmp.commands != &qmp_cap_negotiation_commands) {
688b4b7d 421 monitor_json_emitter(mon, QOBJECT(qdict));
afeecec2
DB		 422 }
423 }
424}
425
a24712af
MA		 426static void monitor_qapi_event_handler(void *opaque);
427
afeecec2
DB		 428/*
429 * Queue a new event for emission to Monitor instances,
430 * applying any rate limiting if required.
431 */
432static void
688b4b7d 433monitor_qapi_event_queue(QAPIEvent event, QDict *qdict, Error **errp)
afeecec2 434{
b9b03ab0 435 MonitorQAPIEventConf *evconf;
43a14cfc 436 MonitorQAPIEventState *evstate;
afeecec2 437
7fb1cf16 438 assert(event < QAPI_EVENT__MAX);
b9b03ab0 439 evconf = &monitor_qapi_event_conf[event];
b9b03ab0 440 trace_monitor_protocol_event_queue(event, qdict, evconf->rate);
afeecec2 441
d622cb58 442 qemu_mutex_lock(&monitor_lock);
93f8f982 443
b9b03ab0 444 if (!evconf->rate) {
93f8f982 445 /* Unthrottled event */
688b4b7d 446 monitor_qapi_event_emit(event, qdict);
afeecec2 447 } else {
7de0be65
MA		 448 QDict *data = qobject_to_qdict(qdict_get(qdict, "data"));
449 MonitorQAPIEventState key = { .event = event, .data = data };
a24712af
MA		 450
451 evstate = g_hash_table_lookup(monitor_qapi_event_state, &key);
452 assert(!evstate || timer_pending(evstate->timer));
453
454 if (evstate) {
93f8f982 455 /*
b9b03ab0 456 * Timer is pending for (at least) evconf->rate ns after
93f8f982
MA		 457 * last send. Store event for sending when timer fires,
458 * replacing a prior stored event if any.
afeecec2 459 */
93f8f982 460 QDECREF(evstate->qdict);
688b4b7d
MA		 461 evstate->qdict = qdict;
462 QINCREF(evstate->qdict);
afeecec2 463 } else {
93f8f982 464 /*
b9b03ab0 465 * Last send was (at least) evconf->rate ns ago.
93f8f982 466 * Send immediately, and arm the timer to call
b9b03ab0 467 * monitor_qapi_event_handler() in evconf->rate ns. Any
93f8f982
MA		 468 * events arriving before then will be delayed until then.
469 */
dc599978 470 int64_t now = qemu_clock_get_ns(event_clock_type);
93f8f982 471
688b4b7d 472 monitor_qapi_event_emit(event, qdict);
a24712af
MA		 473
474 evstate = g_new(MonitorQAPIEventState, 1);
475 evstate->event = event;
7de0be65
MA		 476 evstate->data = data;
477 QINCREF(evstate->data);
a24712af 478 evstate->qdict = NULL;
dc599978 479 evstate->timer = timer_new_ns(event_clock_type,
a24712af
MA		 480 monitor_qapi_event_handler,
481 evstate);
482 g_hash_table_add(monitor_qapi_event_state, evstate);
b9b03ab0 483 timer_mod_ns(evstate->timer, now + evconf->rate);
afeecec2
DB		 484 }
485 }
93f8f982 486
d622cb58 487 qemu_mutex_unlock(&monitor_lock);
afeecec2
DB		 488}
489
afeecec2 490/*
b9b03ab0 491 * This function runs evconf->rate ns after sending a throttled
93f8f982
MA		 492 * event.
493 * If another event has since been stored, send it.
afeecec2 494 */
43a14cfc 495static void monitor_qapi_event_handler(void *opaque)
afeecec2 496{
43a14cfc 497 MonitorQAPIEventState *evstate = opaque;
b9b03ab0 498 MonitorQAPIEventConf *evconf = &monitor_qapi_event_conf[evstate->event];
afeecec2 499
93f8f982 500 trace_monitor_protocol_event_handler(evstate->event, evstate->qdict);
d622cb58 501 qemu_mutex_lock(&monitor_lock);
93f8f982 502
688b4b7d 503 if (evstate->qdict) {
dc599978 504 int64_t now = qemu_clock_get_ns(event_clock_type);
93f8f982 505
688b4b7d
MA		 506 monitor_qapi_event_emit(evstate->event, evstate->qdict);
507 QDECREF(evstate->qdict);
508 evstate->qdict = NULL;
b9b03ab0 509 timer_mod_ns(evstate->timer, now + evconf->rate);
a24712af
MA		 510 } else {
511 g_hash_table_remove(monitor_qapi_event_state, evstate);
7de0be65 512 QDECREF(evstate->data);
a24712af
MA		 513 timer_free(evstate->timer);
514 g_free(evstate);
afeecec2 515 }
93f8f982 516
d622cb58 517 qemu_mutex_unlock(&monitor_lock);
afeecec2
DB		 518}
519
a24712af 520static unsigned int qapi_event_throttle_hash(const void *key)
afeecec2 521{
a24712af 522 const MonitorQAPIEventState *evstate = key;
7de0be65 523 unsigned int hash = evstate->event * 255;
afeecec2 524
7de0be65
MA		 525 if (evstate->event == QAPI_EVENT_VSERPORT_CHANGE) {
526 hash += g_str_hash(qdict_get_str(evstate->data, "id"));
527 }
528
6d425eb9
AG		 529 if (evstate->event == QAPI_EVENT_QUORUM_REPORT_BAD) {
530 hash += g_str_hash(qdict_get_str(evstate->data, "node-name"));
531 }
532
7de0be65 533 return hash;
a24712af 534}
0d1ea871 535
a24712af
MA		 536static gboolean qapi_event_throttle_equal(const void *a, const void *b)
537{
538 const MonitorQAPIEventState *eva = a;
539 const MonitorQAPIEventState *evb = b;
540
7de0be65
MA		 541 if (eva->event != evb->event) {
542 return FALSE;
543 }
544
545 if (eva->event == QAPI_EVENT_VSERPORT_CHANGE) {
546 return !strcmp(qdict_get_str(eva->data, "id"),
547 qdict_get_str(evb->data, "id"));
548 }
549
6d425eb9
AG		 550 if (eva->event == QAPI_EVENT_QUORUM_REPORT_BAD) {
551 return !strcmp(qdict_get_str(eva->data, "node-name"),
552 qdict_get_str(evb->data, "node-name"));
553 }
554
7de0be65 555 return TRUE;
a24712af
MA		 556}
557
558static void monitor_qapi_event_init(void)
559{
dc599978
AG		 560 if (qtest_enabled()) {
561 event_clock_type = QEMU_CLOCK_VIRTUAL;
562 }
563
a24712af
MA		 564 monitor_qapi_event_state = g_hash_table_new(qapi_event_throttle_hash,
565 qapi_event_throttle_equal);
43a14cfc 566 qmp_event_set_func_emit(monitor_qapi_event_queue);
0d1ea871
LC		 567}
568
7ef6cf63 569static void handle_hmp_command(Monitor *mon, const char *cmdline);
0268d97c 570
b01fe89e
WX		 571static void monitor_data_init(Monitor *mon)
572{
573 memset(mon, 0, sizeof(Monitor));
6cff3e85 574 qemu_mutex_init(&mon->out_lock);
b01fe89e 575 mon->outbuf = qstring_new();
7717239d
WX		 576 /* Use *mon_cmds by default. */
577 mon->cmd_table = mon_cmds;
b01fe89e
WX		 578}
579
580static void monitor_data_destroy(Monitor *mon)
581{
c39860e6 582 qemu_chr_fe_deinit(&mon->chr);
2ef45716
MAL		 583 if (monitor_is_qmp(mon)) {
584 json_message_parser_destroy(&mon->qmp.parser);
585 }
586 g_free(mon->rs);
b01fe89e 587 QDECREF(mon->outbuf);
6cff3e85 588 qemu_mutex_destroy(&mon->out_lock);
b01fe89e
WX		 589}
590
d51a67b4
LC		 591char *qmp_human_monitor_command(const char *command_line, bool has_cpu_index,
592 int64_t cpu_index, Error **errp)
0268d97c 593{
d51a67b4 594 char *output = NULL;
0268d97c 595 Monitor *old_mon, hmp;
0268d97c 596
b01fe89e 597 monitor_data_init(&hmp);
48c043d0 598 hmp.skip_flush = true;
0268d97c
LC		 599
600 old_mon = cur_mon;
601 cur_mon = &hmp;
602
d51a67b4
LC		 603 if (has_cpu_index) {
604 int ret = monitor_set_cpu(cpu_index);
0268d97c
LC		 605 if (ret < 0) {
606 cur_mon = old_mon;
c6bd8c70
MA		 607 error_setg(errp, QERR_INVALID_PARAMETER_VALUE, "cpu-index",
608 "a CPU number");
0268d97c
LC		 609 goto out;
610 }
611 }
612
7ef6cf63 613 handle_hmp_command(&hmp, command_line);
0268d97c
LC		 614 cur_mon = old_mon;
615
6cff3e85 616 qemu_mutex_lock(&hmp.out_lock);
48c043d0
LC		 617 if (qstring_get_length(hmp.outbuf) > 0) {
618 output = g_strdup(qstring_get_str(hmp.outbuf));
d51a67b4
LC		 619 } else {
620 output = g_strdup("");
0268d97c 621 }
6cff3e85 622 qemu_mutex_unlock(&hmp.out_lock);
0268d97c
LC		 623
624out:
b01fe89e 625 monitor_data_destroy(&hmp);
d51a67b4 626 return output;
0268d97c
LC		 627}
628
9dc39cba
FB		 629static int compare_cmd(const char *name, const char *list)
630{
631 const char *p, *pstart;
632 int len;
633 len = strlen(name);
634 p = list;
635 for(;;) {
636 pstart = p;
637 p = strchr(p, '|');
638 if (!p)
639 p = pstart + strlen(pstart);
640 if ((p - pstart) == len && !memcmp(pstart, name, len))
641 return 1;
642 if (*p == '\0')
643 break;
644 p++;
645 }
646 return 0;
647}
648
f5438c05
WX		 649static int get_str(char *buf, int buf_size, const char **pp)
650{
651 const char *p;
652 char *q;
653 int c;
654
655 q = buf;
656 p = *pp;
657 while (qemu_isspace(*p)) {
658 p++;
659 }
660 if (*p == '\0') {
661 fail:
662 *q = '\0';
663 *pp = p;
664 return -1;
665 }
666 if (*p == '\"') {
667 p++;
668 while (*p != '\0' && *p != '\"') {
669 if (*p == '\\') {
670 p++;
671 c = *p++;
672 switch (c) {
673 case 'n':
674 c = '\n';
675 break;
676 case 'r':
677 c = '\r';
678 break;
679 case '\\':
680 case '\'':
681 case '\"':
682 break;
683 default:
71baf787 684 printf("unsupported escape code: '\\%c'\n", c);
f5438c05
WX		 685 goto fail;
686 }
687 if ((q - buf) < buf_size - 1) {
688 *q++ = c;
689 }
690 } else {
691 if ((q - buf) < buf_size - 1) {
692 *q++ = *p;
693 }
694 p++;
695 }
696 }
697 if (*p != '\"') {
71baf787 698 printf("unterminated string\n");
f5438c05
WX		 699 goto fail;
700 }
701 p++;
702 } else {
703 while (*p != '\0' && !qemu_isspace(*p)) {
704 if ((q - buf) < buf_size - 1) {
705 *q++ = *p;
706 }
707 p++;
708 }
709 }
710 *q = '\0';
711 *pp = p;
712 return 0;
713}
714
715#define MAX_ARGS 16
716
dcc70cdf
WX		 717static void free_cmdline_args(char **args, int nb_args)
718{
719 int i;
720
721 assert(nb_args <= MAX_ARGS);
722
723 for (i = 0; i < nb_args; i++) {
724 g_free(args[i]);
725 }
726
727}
728
729/*
730 * Parse the command line to get valid args.
731 * @cmdline: command line to be parsed.
732 * @pnb_args: location to store the number of args, must NOT be NULL.
733 * @args: location to store the args, which should be freed by caller, must
734 * NOT be NULL.
735 *
736 * Returns 0 on success, negative on failure.
737 *
738 * NOTE: this parser is an approximate form of the real command parser. Number
739 * of args have a limit of MAX_ARGS. If cmdline contains more, it will
740 * return with failure.
741 */
742static int parse_cmdline(const char *cmdline,
743 int *pnb_args, char **args)
f5438c05
WX		 744{
745 const char *p;
746 int nb_args, ret;
747 char buf[1024];
748
749 p = cmdline;
750 nb_args = 0;
751 for (;;) {
752 while (qemu_isspace(*p)) {
753 p++;
754 }
755 if (*p == '\0') {
756 break;
757 }
758 if (nb_args >= MAX_ARGS) {
dcc70cdf 759 goto fail;
f5438c05
WX		 760 }
761 ret = get_str(buf, sizeof(buf), &p);
f5438c05 762 if (ret < 0) {
dcc70cdf 763 goto fail;
f5438c05 764 }
dcc70cdf
WX		 765 args[nb_args] = g_strdup(buf);
766 nb_args++;
f5438c05
WX		 767 }
768 *pnb_args = nb_args;
dcc70cdf
WX		 769 return 0;
770
771 fail:
772 free_cmdline_args(args, nb_args);
773 return -1;
f5438c05
WX		 774}
775
66855495
WX		 776static void help_cmd_dump_one(Monitor *mon,
777 const mon_cmd_t *cmd,
778 char **prefix_args,
779 int prefix_args_nb)
780{
781 int i;
782
783 for (i = 0; i < prefix_args_nb; i++) {
784 monitor_printf(mon, "%s ", prefix_args[i]);
785 }
786 monitor_printf(mon, "%s %s -- %s\n", cmd->name, cmd->params, cmd->help);
787}
788
789/* @args[@arg_index] is the valid command need to find in @cmds */
c227f099 790static void help_cmd_dump(Monitor *mon, const mon_cmd_t *cmds,
66855495 791 char **args, int nb_args, int arg_index)
9dc39cba 792{
c227f099 793 const mon_cmd_t *cmd;
9dc39cba 794
66855495
WX		 795 /* No valid arg need to compare with, dump all in *cmds */
796 if (arg_index >= nb_args) {
797 for (cmd = cmds; cmd->name != NULL; cmd++) {
798 help_cmd_dump_one(mon, cmd, args, arg_index);
799 }
800 return;
801 }
802
803 /* Find one entry to dump */
804 for (cmd = cmds; cmd->name != NULL; cmd++) {
805 if (compare_cmd(args[arg_index], cmd->name)) {
806 if (cmd->sub_table) {
807 /* continue with next arg */
808 help_cmd_dump(mon, cmd->sub_table,
809 args, nb_args, arg_index + 1);
810 } else {
811 help_cmd_dump_one(mon, cmd, args, arg_index);
812 }
813 break;
814 }
9dc39cba
FB		 815 }
816}
817
376253ec 818static void help_cmd(Monitor *mon, const char *name)
9dc39cba 819{
66855495
WX		 820 char *args[MAX_ARGS];
821 int nb_args = 0;
822
823 /* 1. parse user input */
824 if (name) {
825 /* special case for log, directly dump and return */
826 if (!strcmp(name, "log")) {
38dad9e5 827 const QEMULogItem *item;
376253ec
AL		 828 monitor_printf(mon, "Log items (comma separated):\n");
829 monitor_printf(mon, "%-10s %s\n", "none", "remove all logs");
38dad9e5 830 for (item = qemu_log_items; item->mask != 0; item++) {
376253ec 831 monitor_printf(mon, "%-10s %s\n", item->name, item->help);
f193c797 832 }
66855495
WX		 833 return;
834 }
835
836 if (parse_cmdline(name, &nb_args, args) < 0) {
837 return;
f193c797 838 }
9dc39cba 839 }
66855495
WX		 840
841 /* 2. dump the contents according to parsed args */
842 help_cmd_dump(mon, mon->cmd_table, args, nb_args, 0);
843
844 free_cmdline_args(args, nb_args);
9dc39cba
FB		 845}
846
d54908a5 847static void do_help_cmd(Monitor *mon, const QDict *qdict)
38183186 848{
d54908a5 849 help_cmd(mon, qdict_get_try_str(qdict, "name"));
38183186
LC		 850}
851
3e5a50d6 852static void hmp_trace_event(Monitor *mon, const QDict *qdict)
22890ab5
PS		 853{
854 const char *tp_name = qdict_get_str(qdict, "name");
855 bool new_state = qdict_get_bool(qdict, "option");
77e2b172
LV		 856 bool has_vcpu = qdict_haskey(qdict, "vcpu");
857 int vcpu = qdict_get_try_int(qdict, "vcpu", 0);
14101d02 858 Error *local_err = NULL;
f871d689 859
77e2b172
LV		 860 if (vcpu < 0) {
861 monitor_printf(mon, "argument vcpu must be positive");
862 return;
863 }
864
865 qmp_trace_event_set_state(tp_name, new_state, true, true, has_vcpu, vcpu, &local_err);
14101d02 866 if (local_err) {
091e38b7 867 error_report_err(local_err);
f871d689 868 }
22890ab5 869}
c5ceb523 870
c45a8168 871#ifdef CONFIG_TRACE_SIMPLE
3e5a50d6 872static void hmp_trace_file(Monitor *mon, const QDict *qdict)
c5ceb523
SH		 873{
874 const char *op = qdict_get_try_str(qdict, "op");
875 const char *arg = qdict_get_try_str(qdict, "arg");
876
877 if (!op) {
878 st_print_trace_file_status((FILE *)mon, &monitor_fprintf);
879 } else if (!strcmp(op, "on")) {
880 st_set_trace_file_enabled(true);
881 } else if (!strcmp(op, "off")) {
882 st_set_trace_file_enabled(false);
883 } else if (!strcmp(op, "flush")) {
884 st_flush_trace_buffer();
885 } else if (!strcmp(op, "set")) {
886 if (arg) {
887 st_set_trace_file(arg);
888 }
889 } else {
890 monitor_printf(mon, "unexpected argument \"%s\"\n", op);
891 help_cmd(mon, "trace-file");
892 }
893}
22890ab5
PS		 894#endif
895
3e5a50d6 896static void hmp_info_help(Monitor *mon, const QDict *qdict)
9dc39cba 897{
13c7425e 898 help_cmd(mon, "info");
9dc39cba
FB		 899}
900
9e812b6a 901static void query_commands_cb(QmpCommand *cmd, void *opaque)
e3bba9d0 902{
9e812b6a 903 CommandInfoList *info, **list = opaque;
e3bba9d0 904
9e812b6a
MAL		 905 if (!cmd->enabled) {
906 return;
e3bba9d0
LC		 907 }
908
9e812b6a
MAL		 909 info = g_malloc0(sizeof(*info));
910 info->value = g_malloc0(sizeof(*info->value));
911 info->value->name = g_strdup(cmd->name);
912 info->next = *list;
913 *list = info;
914}
915
916CommandInfoList *qmp_query_commands(Error **errp)
917{
918 CommandInfoList *list = NULL;
919
635db18f 920 qmp_for_each_command(cur_mon->qmp.commands, query_commands_cb, &list);
9e812b6a
MAL		 921
922 return list;
a36e69dd
TS		 923}
924
4860853d
DB		 925EventInfoList *qmp_query_events(Error **errp)
926{
927 EventInfoList *info, *ev_list = NULL;
75175173 928 QAPIEvent e;
4860853d 929
7fb1cf16 930 for (e = 0 ; e < QAPI_EVENT__MAX ; e++) {
75175173 931 const char *event_name = QAPIEvent_lookup[e];
4860853d
DB		 932 assert(event_name != NULL);
933 info = g_malloc0(sizeof(*info));
934 info->value = g_malloc0(sizeof(*info->value));
935 info->value->name = g_strdup(event_name);
936
937 info->next = ev_list;
938 ev_list = info;
939 }
940
941 return ev_list;
942}
943
39a18158
MA		 944/*
945 * Minor hack: generated marshalling suppressed for this command
946 * ('gen': false in the schema) so we can parse the JSON string
947 * directly into QObject instead of first parsing it with
948 * visit_type_SchemaInfoList() into a SchemaInfoList, then marshal it
949 * to QObject with generated output marshallers, every time. Instead,
b3db211f 950 * we do it in test-qobject-input-visitor.c, just to make sure
39a18158
MA		 951 * qapi-introspect.py's output actually conforms to the schema.
952 */
953static void qmp_query_qmp_schema(QDict *qdict, QObject **ret_data,
954 Error **errp)
955{
b0f36b23 956 *ret_data = qobject_from_json(qmp_schema_json, &error_abort);
39a18158
MA		 957}
958
5032a16d 959/*
5032a16d
MAL		 960 * We used to define commands in qmp-commands.hx in addition to the
961 * QAPI schema. This permitted defining some of them only in certain
962 * configurations. query-commands has always reflected that (good,
963 * because it lets QMP clients figure out what's actually available),
964 * while query-qmp-schema never did (not so good). This function is a
965 * hack to keep the configuration-specific commands defined exactly as
966 * before, even though qmp-commands.hx is gone.
967 *
968 * FIXME Educate the QAPI schema on configuration-specific commands,
969 * and drop this hack.
970 */
971static void qmp_unregister_commands_hack(void)
972{
973#ifndef CONFIG_SPICE
1527badb 974 qmp_unregister_command(&qmp_commands, "query-spice");
5032a16d 975#endif
38bb54f3
MA		 976#ifndef CONFIG_REPLICATION
977 qmp_unregister_command(&qmp_commands, "xen-set-replication");
978 qmp_unregister_command(&qmp_commands, "query-xen-replication-status");
979 qmp_unregister_command(&qmp_commands, "xen-colo-do-checkpoint");
980#endif
5032a16d 981#ifndef TARGET_I386
1527badb 982 qmp_unregister_command(&qmp_commands, "rtc-reset-reinjection");
5032a16d
MAL		 983#endif
984#ifndef TARGET_S390X
1527badb 985 qmp_unregister_command(&qmp_commands, "dump-skeys");
5032a16d
MAL		 986#endif
987#ifndef TARGET_ARM
1527badb 988 qmp_unregister_command(&qmp_commands, "query-gic-capabilities");
5032a16d 989#endif
f99fd7ca 990#if !defined(TARGET_S390X) && !defined(TARGET_I386)
1527badb 991 qmp_unregister_command(&qmp_commands, "query-cpu-model-expansion");
f99fd7ca
EH		 992#endif
993#if !defined(TARGET_S390X)
1527badb
MA		 994 qmp_unregister_command(&qmp_commands, "query-cpu-model-baseline");
995 qmp_unregister_command(&qmp_commands, "query-cpu-model-comparison");
728b1429
EH		 996#endif
997#if !defined(TARGET_PPC) && !defined(TARGET_ARM) && !defined(TARGET_I386) \
998 && !defined(TARGET_S390X)
1527badb 999 qmp_unregister_command(&qmp_commands, "query-cpu-definitions");
728b1429 1000#endif
5032a16d
MAL		 1001}
1002
05875687 1003void monitor_init_qmp_commands(void)
edcfaefe 1004{
635db18f
MA		 1005 /*
1006 * Two command lists:
1007 * - qmp_commands contains all QMP commands
1008 * - qmp_cap_negotiation_commands contains just
1009 * "qmp_capabilities", to enforce capability negotiation
1010 */
1011
1527badb 1012 qmp_init_marshal(&qmp_commands);
05875687 1013
1527badb
MA		 1014 qmp_register_command(&qmp_commands, "query-qmp-schema",
1015 qmp_query_qmp_schema,
edcfaefe 1016 QCO_NO_OPTIONS);
1527badb 1017 qmp_register_command(&qmp_commands, "device_add", qmp_device_add,
edcfaefe 1018 QCO_NO_OPTIONS);
1527badb 1019 qmp_register_command(&qmp_commands, "netdev_add", qmp_netdev_add,
edcfaefe 1020 QCO_NO_OPTIONS);
5032a16d 1021
05875687 1022 qmp_unregister_commands_hack();
635db18f
MA		 1023
1024 QTAILQ_INIT(&qmp_cap_negotiation_commands);
1025 qmp_register_command(&qmp_cap_negotiation_commands, "qmp_capabilities",
1026 qmp_marshal_qmp_capabilities, QCO_NO_OPTIONS);
1027}
1028
1029void qmp_qmp_capabilities(Error **errp)
1030{
1031 if (cur_mon->qmp.commands == &qmp_commands) {
1032 error_set(errp, ERROR_CLASS_COMMAND_NOT_FOUND,
1033 "Capabilities negotiation is already complete, command "
1034 "ignored");
1035 return;
1036 }
1037
1038 cur_mon->qmp.commands = &qmp_commands;
edcfaefe
MAL		 1039}
1040
b025c8b4
LC		 1041/* set the current CPU defined by the user */
1042int monitor_set_cpu(int cpu_index)
6a00d601 1043{
55e5c285 1044 CPUState *cpu;
6a00d601 1045
1c8bb3cc
AF		 1046 cpu = qemu_get_cpu(cpu_index);
1047 if (cpu == NULL) {
1048 return -1;
6a00d601 1049 }
cb446eca 1050 cur_mon->mon_cpu = cpu;
1c8bb3cc 1051 return 0;
6a00d601
FB		 1052}
1053
caf15319 1054CPUState *mon_get_cpu(void)
6a00d601 1055{
731b0364 1056 if (!cur_mon->mon_cpu) {
854e67fe
TH		 1057 if (!first_cpu) {
1058 return NULL;
1059 }
27a83f8e 1060 monitor_set_cpu(first_cpu->cpu_index);
6a00d601 1061 }
4c0960c0 1062 cpu_synchronize_state(cur_mon->mon_cpu);
5bcda5f7
PC		 1063 return cur_mon->mon_cpu;
1064}
1065
bf957284 1066CPUArchState *mon_get_cpu_env(void)
5bcda5f7 1067{
854e67fe
TH		 1068 CPUState *cs = mon_get_cpu();
1069
1070 return cs ? cs->env_ptr : NULL;
6a00d601
FB		 1071}
1072
99b7796f
LC		 1073int monitor_get_cpu_index(void)
1074{
854e67fe
TH		 1075 CPUState *cs = mon_get_cpu();
1076
1077 return cs ? cs->cpu_index : UNASSIGNED_CPU_INDEX;
99b7796f
LC		 1078}
1079
1ce6be24 1080static void hmp_info_registers(Monitor *mon, const QDict *qdict)
9307c4c1 1081{
854e67fe
TH		 1082 CPUState *cs = mon_get_cpu();
1083
1084 if (!cs) {
1085 monitor_printf(mon, "No CPU available\n");
1086 return;
1087 }
1088 cpu_dump_state(cs, (FILE *)mon, monitor_fprintf, CPU_DUMP_FPU);
9307c4c1
FB		 1089}
1090
1ce6be24 1091static void hmp_info_jit(Monitor *mon, const QDict *qdict)
e3db7226 1092{
b7da97ee
TH		 1093 if (!tcg_enabled()) {
1094 error_report("JIT information is only available with accel=tcg");
1095 return;
1096 }
1097
376253ec 1098 dump_exec_info((FILE *)mon, monitor_fprintf);
27498bef 1099 dump_drift_info((FILE *)mon, monitor_fprintf);
e3db7226
FB		 1100}
1101
1ce6be24 1102static void hmp_info_opcount(Monitor *mon, const QDict *qdict)
246ae24d
MF		 1103{
1104 dump_opcount_info((FILE *)mon, monitor_fprintf);
1105}
1106
1ce6be24 1107static void hmp_info_history(Monitor *mon, const QDict *qdict)
aa455485
FB		 1108{
1109 int i;
7e2515e8 1110 const char *str;
3b46e624 1111
cde76ee1
AL		 1112 if (!mon->rs)
1113 return;
7e2515e8
FB		 1114 i = 0;
1115 for(;;) {
731b0364 1116 str = readline_get_history(mon->rs, i);
7e2515e8
FB		 1117 if (!str)
1118 break;
376253ec 1119 monitor_printf(mon, "%d: '%s'\n", i, str);
8e3a9fd2 1120 i++;
aa455485
FB		 1121 }
1122}
1123
1ce6be24 1124static void hmp_info_cpustats(Monitor *mon, const QDict *qdict)
76a66253 1125{
854e67fe
TH		 1126 CPUState *cs = mon_get_cpu();
1127
1128 if (!cs) {
1129 monitor_printf(mon, "No CPU available\n");
1130 return;
1131 }
1132 cpu_dump_statistics(cs, (FILE *)mon, &monitor_fprintf, 0);
76a66253 1133}
76a66253 1134
1ce6be24 1135static void hmp_info_trace_events(Monitor *mon, const QDict *qdict)
22890ab5 1136{
bd71211d 1137 const char *name = qdict_get_try_str(qdict, "name");
77e2b172
LV		 1138 bool has_vcpu = qdict_haskey(qdict, "vcpu");
1139 int vcpu = qdict_get_try_int(qdict, "vcpu", 0);
bd71211d 1140 TraceEventInfoList *events;
14101d02 1141 TraceEventInfoList *elem;
bd71211d
LV		 1142 Error *local_err = NULL;
1143
1144 if (name == NULL) {
1145 name = "*";
1146 }
77e2b172
LV		 1147 if (vcpu < 0) {
1148 monitor_printf(mon, "argument vcpu must be positive");
1149 return;
1150 }
bd71211d 1151
77e2b172 1152 events = qmp_trace_event_get_state(name, has_vcpu, vcpu, &local_err);
bd71211d
LV		 1153 if (local_err) {
1154 error_report_err(local_err);
1155 return;
1156 }
14101d02
LV		 1157
1158 for (elem = events; elem != NULL; elem = elem->next) {
1159 monitor_printf(mon, "%s : state %u\n",
1160 elem->value->name,
1161 elem->value->state == TRACE_EVENT_STATE_ENABLED ? 1 : 0);
1162 }
1163 qapi_free_TraceEventInfoList(events);
22890ab5 1164}
22890ab5 1165
b8a185bc
MA		 1166void qmp_client_migrate_info(const char *protocol, const char *hostname,
1167 bool has_port, int64_t port,
1168 bool has_tls_port, int64_t tls_port,
1169 bool has_cert_subject, const char *cert_subject,
1170 Error **errp)
e866e239 1171{
e866e239 1172 if (strcmp(protocol, "spice") == 0) {
b8a185bc
MA		 1173 if (!qemu_using_spice(errp)) {
1174 return;
e866e239
GH		 1175 }
1176
b8a185bc 1177 if (!has_port && !has_tls_port) {
c6bd8c70 1178 error_setg(errp, QERR_MISSING_PARAMETER, "port/tls-port");
b8a185bc 1179 return;
6ec5dae5
YH		 1180 }
1181
b8a185bc
MA		 1182 if (qemu_spice_migrate_info(hostname,
1183 has_port ? port : -1,
1184 has_tls_port ? tls_port : -1,
1185 cert_subject)) {
c6bd8c70 1186 error_setg(errp, QERR_UNDEFINED_ERROR);
b8a185bc 1187 return;
e866e239 1188 }
b8a185bc 1189 return;
e866e239
GH		 1190 }
1191
c6bd8c70 1192 error_setg(errp, QERR_INVALID_PARAMETER_VALUE, "protocol", "spice");
e866e239
GH		 1193}
1194
3e5a50d6 1195static void hmp_logfile(Monitor *mon, const QDict *qdict)
e735b91c 1196{
daa76aa4
MA		 1197 Error *err = NULL;
1198
1199 qemu_set_log_filename(qdict_get_str(qdict, "filename"), &err);
1200 if (err) {
1201 error_report_err(err);
1202 }
e735b91c
PB		 1203}
1204
3e5a50d6 1205static void hmp_log(Monitor *mon, const QDict *qdict)
f193c797
FB		 1206{
1207 int mask;
d54908a5 1208 const char *items = qdict_get_str(qdict, "items");
3b46e624 1209
9307c4c1 1210 if (!strcmp(items, "none")) {
f193c797
FB		 1211 mask = 0;
1212 } else {
4fde1eba 1213 mask = qemu_str_to_log_mask(items);
f193c797 1214 if (!mask) {
376253ec 1215 help_cmd(mon, "log");
f193c797
FB		 1216 return;
1217 }
1218 }
24537a01 1219 qemu_set_log(mask);
f193c797
FB		 1220}
1221
3e5a50d6 1222static void hmp_singlestep(Monitor *mon, const QDict *qdict)
1b530a6d 1223{
d54908a5 1224 const char *option = qdict_get_try_str(qdict, "option");
1b530a6d
AJ		 1225 if (!option || !strcmp(option, "on")) {
1226 singlestep = 1;
1227 } else if (!strcmp(option, "off")) {
1228 singlestep = 0;
1229 } else {
1230 monitor_printf(mon, "unexpected option %s\n", option);
1231 }
1232}
1233
3e5a50d6 1234static void hmp_gdbserver(Monitor *mon, const QDict *qdict)
59030a8c 1235{
d54908a5 1236 const char *device = qdict_get_try_str(qdict, "device");
59030a8c
AL		 1237 if (!device)
1238 device = "tcp::" DEFAULT_GDBSTUB_PORT;
1239 if (gdbserver_start(device) < 0) {
1240 monitor_printf(mon, "Could not open gdbserver on device '%s'\n",
1241 device);
1242 } else if (strcmp(device, "none") == 0) {
36556b20 1243 monitor_printf(mon, "Disabled gdbserver\n");
8a7ddc38 1244 } else {
59030a8c
AL		 1245 monitor_printf(mon, "Waiting for gdb connection on device '%s'\n",
1246 device);
8a7ddc38
FB		 1247 }
1248}
1249
3e5a50d6 1250static void hmp_watchdog_action(Monitor *mon, const QDict *qdict)
9dd986cc 1251{
d54908a5 1252 const char *action = qdict_get_str(qdict, "action");
9dd986cc
RJ		 1253 if (select_watchdog_action(action) == -1) {
1254 monitor_printf(mon, "Unknown watchdog action '%s'\n", action);
1255 }
1256}
1257
376253ec 1258static void monitor_printc(Monitor *mon, int c)
9307c4c1 1259{
376253ec 1260 monitor_printf(mon, "'");
9307c4c1
FB		 1261 switch(c) {
1262 case '\'':
376253ec 1263 monitor_printf(mon, "\\'");
9307c4c1
FB		 1264 break;
1265 case '\\':
376253ec 1266 monitor_printf(mon, "\\\\");
9307c4c1
FB		 1267 break;
1268 case '\n':
376253ec 1269 monitor_printf(mon, "\\n");
9307c4c1
FB		 1270 break;
1271 case '\r':
376253ec 1272 monitor_printf(mon, "\\r");
9307c4c1
FB		 1273 break;
1274 default:
1275 if (c >= 32 && c <= 126) {
376253ec 1276 monitor_printf(mon, "%c", c);
9307c4c1 1277 } else {
376253ec 1278 monitor_printf(mon, "\\x%02x", c);
9307c4c1
FB		 1279 }
1280 break;
1281 }
376253ec 1282 monitor_printf(mon, "'");
9307c4c1
FB		 1283}
1284
376253ec 1285static void memory_dump(Monitor *mon, int count, int format, int wsize,
a8170e5e 1286 hwaddr addr, int is_physical)
9307c4c1 1287{
23842aab 1288 int l, line_size, i, max_digits, len;
9307c4c1
FB		 1289 uint8_t buf[16];
1290 uint64_t v;
854e67fe
TH		 1291 CPUState *cs = mon_get_cpu();
1292
1293 if (!cs && (format == 'i' || !is_physical)) {
1294 monitor_printf(mon, "Can not dump without CPU\n");
1295 return;
1296 }
9307c4c1
FB		 1297
1298 if (format == 'i') {
5bcda5f7 1299 int flags = 0;
9307c4c1 1300#ifdef TARGET_I386
5bcda5f7 1301 CPUArchState *env = mon_get_cpu_env();
4c27ba27 1302 if (wsize == 2) {
9307c4c1 1303 flags = 1;
4c27ba27
FB		 1304 } else if (wsize == 4) {
1305 flags = 0;
1306 } else {
6a15fd12 1307 /* as default we use the current CS size */
4c27ba27 1308 flags = 0;
6a15fd12
FB		 1309 if (env) {
1310#ifdef TARGET_X86_64
5fafdf24 1311 if ((env->efer & MSR_EFER_LMA) &&
6a15fd12
FB		 1312 (env->segs[R_CS].flags & DESC_L_MASK))
1313 flags = 2;
1314 else
1315#endif
1316 if (!(env->segs[R_CS].flags & DESC_B_MASK))
1317 flags = 1;
1318 }
4c27ba27 1319 }
1c38f843
TM		 1320#endif
1321#ifdef TARGET_PPC
5bcda5f7 1322 CPUArchState *env = mon_get_cpu_env();
1c38f843
TM		 1323 flags = msr_le << 16;
1324 flags |= env->bfd_mach;
4c27ba27 1325#endif
854e67fe 1326 monitor_disas(mon, cs, addr, count, is_physical, flags);
9307c4c1
FB		 1327 return;
1328 }
1329
1330 len = wsize * count;
1331 if (wsize == 1)
1332 line_size = 8;
1333 else
1334 line_size = 16;
9307c4c1
FB		 1335 max_digits = 0;
1336
1337 switch(format) {
1338 case 'o':
1339 max_digits = (wsize * 8 + 2) / 3;
1340 break;
1341 default:
1342 case 'x':
1343 max_digits = (wsize * 8) / 4;
1344 break;
1345 case 'u':
1346 case 'd':
1347 max_digits = (wsize * 8 * 10 + 32) / 33;
1348 break;
1349 case 'c':
1350 wsize = 1;
1351 break;
1352 }
1353
1354 while (len > 0) {
7743e588 1355 if (is_physical)
376253ec 1356 monitor_printf(mon, TARGET_FMT_plx ":", addr);
7743e588 1357 else
376253ec 1358 monitor_printf(mon, TARGET_FMT_lx ":", (target_ulong)addr);
9307c4c1
FB		 1359 l = len;
1360 if (l > line_size)
1361 l = line_size;
1362 if (is_physical) {
54f7b4a3 1363 cpu_physical_memory_read(addr, buf, l);
9307c4c1 1364 } else {
854e67fe 1365 if (cpu_memory_rw_debug(cs, addr, buf, l, 0) < 0) {
376253ec 1366 monitor_printf(mon, " Cannot access memory\n");
c8f79b67
AL		 1367 break;
1368 }
9307c4c1 1369 }
5fafdf24 1370 i = 0;
9307c4c1
FB		 1371 while (i < l) {
1372 switch(wsize) {
1373 default:
1374 case 1:
24e60305 1375 v = ldub_p(buf + i);
9307c4c1
FB		 1376 break;
1377 case 2:
24e60305 1378 v = lduw_p(buf + i);
9307c4c1
FB		 1379 break;
1380 case 4:
24e60305 1381 v = (uint32_t)ldl_p(buf + i);
9307c4c1
FB		 1382 break;
1383 case 8:
24e60305 1384 v = ldq_p(buf + i);
9307c4c1
FB		 1385 break;
1386 }
376253ec 1387 monitor_printf(mon, " ");
9307c4c1
FB		 1388 switch(format) {
1389 case 'o':
376253ec 1390 monitor_printf(mon, "%#*" PRIo64, max_digits, v);
9307c4c1
FB		 1391 break;
1392 case 'x':
376253ec 1393 monitor_printf(mon, "0x%0*" PRIx64, max_digits, v);
9307c4c1
FB		 1394 break;
1395 case 'u':
376253ec 1396 monitor_printf(mon, "%*" PRIu64, max_digits, v);
9307c4c1
FB		 1397 break;
1398 case 'd':
376253ec 1399 monitor_printf(mon, "%*" PRId64, max_digits, v);
9307c4c1
FB		 1400 break;
1401 case 'c':
376253ec 1402 monitor_printc(mon, v);
9307c4c1
FB		 1403 break;
1404 }
1405 i += wsize;
1406 }
376253ec 1407 monitor_printf(mon, "\n");
9307c4c1
FB		 1408 addr += l;
1409 len -= l;
1410 }
1411}
1412
3e5a50d6 1413static void hmp_memory_dump(Monitor *mon, const QDict *qdict)
9307c4c1 1414{
1bd1442e
LC		 1415 int count = qdict_get_int(qdict, "count");
1416 int format = qdict_get_int(qdict, "format");
1417 int size = qdict_get_int(qdict, "size");
1418 target_long addr = qdict_get_int(qdict, "addr");
1419
376253ec 1420 memory_dump(mon, count, format, size, addr, 0);
9307c4c1
FB		 1421}
1422
3e5a50d6 1423static void hmp_physical_memory_dump(Monitor *mon, const QDict *qdict)
9307c4c1 1424{
1bd1442e
LC		 1425 int count = qdict_get_int(qdict, "count");
1426 int format = qdict_get_int(qdict, "format");
1427 int size = qdict_get_int(qdict, "size");
a8170e5e 1428 hwaddr addr = qdict_get_int(qdict, "addr");
1bd1442e 1429
376253ec 1430 memory_dump(mon, count, format, size, addr, 1);
9307c4c1
FB		 1431}
1432
e9628441
PB		 1433static void *gpa2hva(MemoryRegion **p_mr, hwaddr addr, Error **errp)
1434{
1435 MemoryRegionSection mrs = memory_region_find(get_system_memory(),
1436 addr, 1);
1437
1438 if (!mrs.mr) {
1439 error_setg(errp, "No memory is mapped at address 0x%" HWADDR_PRIx, addr);
1440 return NULL;
1441 }
1442
1443 if (!memory_region_is_ram(mrs.mr) && !memory_region_is_romd(mrs.mr)) {
1444 error_setg(errp, "Memory at address 0x%" HWADDR_PRIx "is not RAM", addr);
1445 memory_region_unref(mrs.mr);
1446 return NULL;
1447 }
1448
1449 *p_mr = mrs.mr;
1450 return qemu_map_ram_ptr(mrs.mr->ram_block, mrs.offset_within_region);
1451}
1452
1453static void hmp_gpa2hva(Monitor *mon, const QDict *qdict)
1454{
1455 hwaddr addr = qdict_get_int(qdict, "addr");
1456 Error *local_err = NULL;
1457 MemoryRegion *mr = NULL;
1458 void *ptr;
1459
1460 ptr = gpa2hva(&mr, addr, &local_err);
1461 if (local_err) {
1462 error_report_err(local_err);
1463 return;
1464 }
1465
1466 monitor_printf(mon, "Host virtual address for 0x%" HWADDR_PRIx
1467 " (%s) is %p\n",
1468 addr, mr->name, ptr);
1469
1470 memory_region_unref(mr);
1471}
1472
1473#ifdef CONFIG_LINUX
1474static uint64_t vtop(void *ptr, Error **errp)
1475{
1476 uint64_t pinfo;
1477 uint64_t ret = -1;
1478 uintptr_t addr = (uintptr_t) ptr;
1479 uintptr_t pagesize = getpagesize();
1480 off_t offset = addr / pagesize * sizeof(pinfo);
1481 int fd;
1482
1483 fd = open("/proc/self/pagemap", O_RDONLY);
1484 if (fd == -1) {
1485 error_setg_errno(errp, errno, "Cannot open /proc/self/pagemap");
1486 return -1;
1487 }
1488
1489 /* Force copy-on-write if necessary. */
1490 atomic_add((uint8_t *)ptr, 0);
1491
1492 if (pread(fd, &pinfo, sizeof(pinfo), offset) != sizeof(pinfo)) {
1493 error_setg_errno(errp, errno, "Cannot read pagemap");
1494 goto out;
1495 }
1496 if ((pinfo & (1ull << 63)) == 0) {
1497 error_setg(errp, "Page not present");
1498 goto out;
1499 }
1500 ret = ((pinfo & 0x007fffffffffffffull) * pagesize) | (addr & (pagesize - 1));
1501
1502out:
1503 close(fd);
1504 return ret;
1505}
1506
1507static void hmp_gpa2hpa(Monitor *mon, const QDict *qdict)
1508{
1509 hwaddr addr = qdict_get_int(qdict, "addr");
1510 Error *local_err = NULL;
1511 MemoryRegion *mr = NULL;
1512 void *ptr;
1513 uint64_t physaddr;
1514
1515 ptr = gpa2hva(&mr, addr, &local_err);
1516 if (local_err) {
1517 error_report_err(local_err);
1518 return;
1519 }
1520
1521 physaddr = vtop(ptr, &local_err);
1522 if (local_err) {
1523 error_report_err(local_err);
1524 } else {
1525 monitor_printf(mon, "Host physical address for 0x%" HWADDR_PRIx
1526 " (%s) is 0x%" PRIx64 "\n",
1527 addr, mr->name, (uint64_t) physaddr);
1528 }
1529
1530 memory_region_unref(mr);
1531}
1532#endif
1533
1bd1442e 1534static void do_print(Monitor *mon, const QDict *qdict)
9307c4c1 1535{
1bd1442e 1536 int format = qdict_get_int(qdict, "format");
a8170e5e 1537 hwaddr val = qdict_get_int(qdict, "val");
1bd1442e 1538
9307c4c1
FB		 1539 switch(format) {
1540 case 'o':
a8170e5e 1541 monitor_printf(mon, "%#" HWADDR_PRIo, val);
9307c4c1
FB		 1542 break;
1543 case 'x':
a8170e5e 1544 monitor_printf(mon, "%#" HWADDR_PRIx, val);
9307c4c1
FB		 1545 break;
1546 case 'u':
a8170e5e 1547 monitor_printf(mon, "%" HWADDR_PRIu, val);
9307c4c1
FB		 1548 break;
1549 default:
1550 case 'd':
a8170e5e 1551 monitor_printf(mon, "%" HWADDR_PRId, val);
9307c4c1
FB		 1552 break;
1553 case 'c':
376253ec 1554 monitor_printc(mon, val);
9307c4c1
FB		 1555 break;
1556 }
376253ec 1557 monitor_printf(mon, "\n");
9307c4c1
FB		 1558}
1559
3e5a50d6 1560static void hmp_sum(Monitor *mon, const QDict *qdict)
e4cf1adc
FB		 1561{
1562 uint32_t addr;
e4cf1adc 1563 uint16_t sum;
f18c16de
LC		 1564 uint32_t start = qdict_get_int(qdict, "start");
1565 uint32_t size = qdict_get_int(qdict, "size");
e4cf1adc
FB		 1566
1567 sum = 0;
1568 for(addr = start; addr < (start + size); addr++) {
42874d3a
PM		 1569 uint8_t val = address_space_ldub(&address_space_memory, addr,
1570 MEMTXATTRS_UNSPECIFIED, NULL);
e4cf1adc
FB		 1571 /* BSD sum algorithm ('sum' Unix command) */
1572 sum = (sum >> 1) | (sum << 15);
54f7b4a3 1573 sum += val;
e4cf1adc 1574 }
376253ec 1575 monitor_printf(mon, "%05d\n", sum);
e4cf1adc
FB		 1576}
1577
13224a87
FB		 1578static int mouse_button_state;
1579
3e5a50d6 1580static void hmp_mouse_move(Monitor *mon, const QDict *qdict)
13224a87 1581{
c751a74a 1582 int dx, dy, dz, button;
1d4daa91
LC		 1583 const char *dx_str = qdict_get_str(qdict, "dx_str");
1584 const char *dy_str = qdict_get_str(qdict, "dy_str");
1585 const char *dz_str = qdict_get_try_str(qdict, "dz_str");
c751a74a 1586
13224a87
FB		 1587 dx = strtol(dx_str, NULL, 0);
1588 dy = strtol(dy_str, NULL, 0);
c751a74a
GH		 1589 qemu_input_queue_rel(NULL, INPUT_AXIS_X, dx);
1590 qemu_input_queue_rel(NULL, INPUT_AXIS_Y, dy);
1591
1592 if (dz_str) {
13224a87 1593 dz = strtol(dz_str, NULL, 0);
c751a74a 1594 if (dz != 0) {
f22d0af0 1595 button = (dz > 0) ? INPUT_BUTTON_WHEEL_UP : INPUT_BUTTON_WHEEL_DOWN;
c751a74a
GH		 1596 qemu_input_queue_btn(NULL, button, true);
1597 qemu_input_event_sync();
1598 qemu_input_queue_btn(NULL, button, false);
1599 }
1600 }
1601 qemu_input_event_sync();
13224a87
FB		 1602}
1603
3e5a50d6 1604static void hmp_mouse_button(Monitor *mon, const QDict *qdict)
13224a87 1605{
7fb1cf16 1606 static uint32_t bmap[INPUT_BUTTON__MAX] = {
c751a74a
GH		 1607 [INPUT_BUTTON_LEFT] = MOUSE_EVENT_LBUTTON,
1608 [INPUT_BUTTON_MIDDLE] = MOUSE_EVENT_MBUTTON,
1609 [INPUT_BUTTON_RIGHT] = MOUSE_EVENT_RBUTTON,
1610 };
d54908a5 1611 int button_state = qdict_get_int(qdict, "button_state");
c751a74a
GH		 1612
1613 if (mouse_button_state == button_state) {
1614 return;
1615 }
1616 qemu_input_update_buttons(NULL, bmap, mouse_button_state, button_state);
1617 qemu_input_event_sync();
13224a87 1618 mouse_button_state = button_state;
13224a87
FB		 1619}
1620
3e5a50d6 1621static void hmp_ioport_read(Monitor *mon, const QDict *qdict)
3440557b 1622{
aa93e39c
LC		 1623 int size = qdict_get_int(qdict, "size");
1624 int addr = qdict_get_int(qdict, "addr");
1625 int has_index = qdict_haskey(qdict, "index");
3440557b
FB		 1626 uint32_t val;
1627 int suffix;
1628
1629 if (has_index) {
aa93e39c 1630 int index = qdict_get_int(qdict, "index");
afcea8cb 1631 cpu_outb(addr & IOPORTS_MASK, index & 0xff);
3440557b
FB		 1632 addr++;
1633 }
1634 addr &= 0xffff;
1635
1636 switch(size) {
1637 default:
1638 case 1:
afcea8cb 1639 val = cpu_inb(addr);
3440557b
FB		 1640 suffix = 'b';
1641 break;
1642 case 2:
afcea8cb 1643 val = cpu_inw(addr);
3440557b
FB		 1644 suffix = 'w';
1645 break;
1646 case 4:
afcea8cb 1647 val = cpu_inl(addr);
3440557b
FB		 1648 suffix = 'l';
1649 break;
1650 }
376253ec
AL		 1651 monitor_printf(mon, "port%c[0x%04x] = %#0*x\n",
1652 suffix, addr, size * 2, val);
3440557b 1653}
a3a91a35 1654
3e5a50d6 1655static void hmp_ioport_write(Monitor *mon, const QDict *qdict)
f114784f 1656{
1bd1442e
LC		 1657 int size = qdict_get_int(qdict, "size");
1658 int addr = qdict_get_int(qdict, "addr");
1659 int val = qdict_get_int(qdict, "val");
1660
f114784f
JK		 1661 addr &= IOPORTS_MASK;
1662
1663 switch (size) {
1664 default:
1665 case 1:
afcea8cb 1666 cpu_outb(addr, val);
f114784f
JK		 1667 break;
1668 case 2:
afcea8cb 1669 cpu_outw(addr, val);
f114784f
JK		 1670 break;
1671 case 4:
afcea8cb 1672 cpu_outl(addr, val);
f114784f
JK		 1673 break;
1674 }
1675}
1676
3e5a50d6 1677static void hmp_boot_set(Monitor *mon, const QDict *qdict)
0ecdffbb 1678{
f1839938 1679 Error *local_err = NULL;
d54908a5 1680 const char *bootdevice = qdict_get_str(qdict, "bootdevice");
0ecdffbb 1681
f1839938
GA		 1682 qemu_boot_set(bootdevice, &local_err);
1683 if (local_err) {
193227f9 1684 error_report_err(local_err);
0ecdffbb 1685 } else {
f1839938 1686 monitor_printf(mon, "boot device list now set to %s\n", bootdevice);
0ecdffbb
AJ		 1687 }
1688}
1689
1ce6be24 1690static void hmp_info_mtree(Monitor *mon, const QDict *qdict)
314e2987 1691{
57bb40c9
PX		 1692 bool flatview = qdict_get_try_bool(qdict, "flatview", false);
1693
1694 mtree_info((fprintf_function)monitor_printf, mon, flatview);
314e2987
BS		 1695}
1696
1ce6be24 1697static void hmp_info_numa(Monitor *mon, const QDict *qdict)
030ea37b 1698{
b28b6230 1699 int i;
1b1ed8dc 1700 CPUState *cpu;
5b009e40 1701 uint64_t *node_mem;
030ea37b 1702
5b009e40
HZ		 1703 node_mem = g_new0(uint64_t, nb_numa_nodes);
1704 query_numa_node_mem(node_mem);
030ea37b
AL		 1705 monitor_printf(mon, "%d nodes\n", nb_numa_nodes);
1706 for (i = 0; i < nb_numa_nodes; i++) {
1707 monitor_printf(mon, "node %d cpus:", i);
bdc44640 1708 CPU_FOREACH(cpu) {
1b1ed8dc 1709 if (cpu->numa_node == i) {
55e5c285 1710 monitor_printf(mon, " %d", cpu->cpu_index);
030ea37b
AL		 1711 }
1712 }
1713 monitor_printf(mon, "\n");
1714 monitor_printf(mon, "node %d size: %" PRId64 " MB\n", i,
5b009e40 1715 node_mem[i] >> 20);
030ea37b 1716 }
5b009e40 1717 g_free(node_mem);
030ea37b
AL		 1718}
1719
5f1ce948
FB		 1720#ifdef CONFIG_PROFILER
1721
89d5cbdd 1722int64_t tcg_time;
e9a6625e
AJ		 1723int64_t dev_time;
1724
1ce6be24 1725static void hmp_info_profile(Monitor *mon, const QDict *qdict)
5f1ce948 1726{
376253ec 1727 monitor_printf(mon, "async time %" PRId64 " (%0.3f)\n",
73bcb24d 1728 dev_time, dev_time / (double)NANOSECONDS_PER_SECOND);
376253ec 1729 monitor_printf(mon, "qemu time %" PRId64 " (%0.3f)\n",
73bcb24d 1730 tcg_time, tcg_time / (double)NANOSECONDS_PER_SECOND);
89d5cbdd 1731 tcg_time = 0;
5f1ce948 1732 dev_time = 0;
5f1ce948
FB		 1733}
1734#else
1ce6be24 1735static void hmp_info_profile(Monitor *mon, const QDict *qdict)
5f1ce948 1736{
376253ec 1737 monitor_printf(mon, "Internal profiler not compiled\n");
5f1ce948
FB		 1738}
1739#endif
1740
ec36b695 1741/* Capture support */
72cf2d4f 1742static QLIST_HEAD (capture_list_head, CaptureState) capture_head;
ec36b695 1743
1ce6be24 1744static void hmp_info_capture(Monitor *mon, const QDict *qdict)
ec36b695
FB		 1745{
1746 int i;
1747 CaptureState *s;
1748
1749 for (s = capture_head.lh_first, i = 0; s; s = s->entries.le_next, ++i) {
376253ec 1750 monitor_printf(mon, "[%d]: ", i);
ec36b695
FB		 1751 s->ops.info (s->opaque);
1752 }
1753}
1754
3e5a50d6 1755static void hmp_stopcapture(Monitor *mon, const QDict *qdict)
ec36b695
FB		 1756{
1757 int i;
d54908a5 1758 int n = qdict_get_int(qdict, "n");
ec36b695
FB		 1759 CaptureState *s;
1760
1761 for (s = capture_head.lh_first, i = 0; s; s = s->entries.le_next, ++i) {
1762 if (i == n) {
1763 s->ops.destroy (s->opaque);
72cf2d4f 1764 QLIST_REMOVE (s, entries);
7267c094 1765 g_free (s);
ec36b695
FB		 1766 return;
1767 }
1768 }
1769}
1770
3e5a50d6 1771static void hmp_wavcapture(Monitor *mon, const QDict *qdict)
c1925484
LC		 1772{
1773 const char *path = qdict_get_str(qdict, "path");
1774 int has_freq = qdict_haskey(qdict, "freq");
1775 int freq = qdict_get_try_int(qdict, "freq", -1);
1776 int has_bits = qdict_haskey(qdict, "bits");
1777 int bits = qdict_get_try_int(qdict, "bits", -1);
1778 int has_channels = qdict_haskey(qdict, "nchannels");
1779 int nchannels = qdict_get_try_int(qdict, "nchannels", -1);
ec36b695
FB		 1780 CaptureState *s;
1781
7267c094 1782 s = g_malloc0 (sizeof (*s));
ec36b695
FB		 1783
1784 freq = has_freq ? freq : 44100;
1785 bits = has_bits ? bits : 16;
1786 nchannels = has_channels ? nchannels : 2;
1787
1788 if (wav_start_capture (s, path, freq, bits, nchannels)) {
d00b2618 1789 monitor_printf(mon, "Failed to add wave capture\n");
7267c094 1790 g_free (s);
d00b2618 1791 return;
ec36b695 1792 }
72cf2d4f 1793 QLIST_INSERT_HEAD (&capture_head, s, entries);
ec36b695 1794}
ec36b695 1795
15dfcd45 1796static qemu_acl *find_acl(Monitor *mon, const char *name)
76655d6d 1797{
15dfcd45 1798 qemu_acl *acl = qemu_acl_find(name);
76655d6d 1799
76655d6d 1800 if (!acl) {
15dfcd45 1801 monitor_printf(mon, "acl: unknown list '%s'\n", name);
76655d6d 1802 }
15dfcd45
JK		 1803 return acl;
1804}
1805
3e5a50d6 1806static void hmp_acl_show(Monitor *mon, const QDict *qdict)
15dfcd45 1807{
d54908a5 1808 const char *aclname = qdict_get_str(qdict, "aclname");
15dfcd45
JK		 1809 qemu_acl *acl = find_acl(mon, aclname);
1810 qemu_acl_entry *entry;
1811 int i = 0;
76655d6d 1812
15dfcd45 1813 if (acl) {
28a76be8 1814 monitor_printf(mon, "policy: %s\n",
76655d6d 1815 acl->defaultDeny ? "deny" : "allow");
72cf2d4f 1816 QTAILQ_FOREACH(entry, &acl->entries, next) {
28a76be8
AL		 1817 i++;
1818 monitor_printf(mon, "%d: %s %s\n", i,
15dfcd45 1819 entry->deny ? "deny" : "allow", entry->match);
28a76be8 1820 }
15dfcd45
JK		 1821 }
1822}
1823
3e5a50d6 1824static void hmp_acl_reset(Monitor *mon, const QDict *qdict)
15dfcd45 1825{
d54908a5 1826 const char *aclname = qdict_get_str(qdict, "aclname");
15dfcd45
JK		 1827 qemu_acl *acl = find_acl(mon, aclname);
1828
1829 if (acl) {
28a76be8
AL		 1830 qemu_acl_reset(acl);
1831 monitor_printf(mon, "acl: removed all rules\n");
15dfcd45
JK		 1832 }
1833}
1834
3e5a50d6 1835static void hmp_acl_policy(Monitor *mon, const QDict *qdict)
15dfcd45 1836{
f18c16de
LC		 1837 const char *aclname = qdict_get_str(qdict, "aclname");
1838 const char *policy = qdict_get_str(qdict, "policy");
15dfcd45 1839 qemu_acl *acl = find_acl(mon, aclname);
28a76be8 1840
15dfcd45
JK		 1841 if (acl) {
1842 if (strcmp(policy, "allow") == 0) {
28a76be8
AL		 1843 acl->defaultDeny = 0;
1844 monitor_printf(mon, "acl: policy set to 'allow'\n");
15dfcd45 1845 } else if (strcmp(policy, "deny") == 0) {
28a76be8
AL		 1846 acl->defaultDeny = 1;
1847 monitor_printf(mon, "acl: policy set to 'deny'\n");
1848 } else {
15dfcd45
JK		 1849 monitor_printf(mon, "acl: unknown policy '%s', "
1850 "expected 'deny' or 'allow'\n", policy);
28a76be8 1851 }
15dfcd45
JK		 1852 }
1853}
28a76be8 1854
3e5a50d6 1855static void hmp_acl_add(Monitor *mon, const QDict *qdict)
15dfcd45 1856{
1bd1442e
LC		 1857 const char *aclname = qdict_get_str(qdict, "aclname");
1858 const char *match = qdict_get_str(qdict, "match");
1859 const char *policy = qdict_get_str(qdict, "policy");
1860 int has_index = qdict_haskey(qdict, "index");
1861 int index = qdict_get_try_int(qdict, "index", -1);
15dfcd45
JK		 1862 qemu_acl *acl = find_acl(mon, aclname);
1863 int deny, ret;
1864
1865 if (acl) {
1866 if (strcmp(policy, "allow") == 0) {
1867 deny = 0;
1868 } else if (strcmp(policy, "deny") == 0) {
1869 deny = 1;
1870 } else {
1871 monitor_printf(mon, "acl: unknown policy '%s', "
1872 "expected 'deny' or 'allow'\n", policy);
28a76be8
AL		 1873 return;
1874 }
28a76be8
AL		 1875 if (has_index)
1876 ret = qemu_acl_insert(acl, deny, match, index);
1877 else
1878 ret = qemu_acl_append(acl, deny, match);
1879 if (ret < 0)
1880 monitor_printf(mon, "acl: unable to add acl entry\n");
1881 else
1882 monitor_printf(mon, "acl: added rule at position %d\n", ret);
15dfcd45
JK		 1883 }
1884}
28a76be8 1885
3e5a50d6 1886static void hmp_acl_remove(Monitor *mon, const QDict *qdict)
15dfcd45 1887{
f18c16de
LC		 1888 const char *aclname = qdict_get_str(qdict, "aclname");
1889 const char *match = qdict_get_str(qdict, "match");
15dfcd45
JK		 1890 qemu_acl *acl = find_acl(mon, aclname);
1891 int ret;
28a76be8 1892
15dfcd45 1893 if (acl) {
28a76be8
AL		 1894 ret = qemu_acl_remove(acl, match);
1895 if (ret < 0)
1896 monitor_printf(mon, "acl: no matching acl entry\n");
1897 else
1898 monitor_printf(mon, "acl: removed rule at position %d\n", ret);
76655d6d
AL		 1899 }
1900}
1901
208c9d1b 1902void qmp_getfd(const char *fdname, Error **errp)
f07918fd 1903{
c227f099 1904 mon_fd_t *monfd;
f07918fd
MM		 1905 int fd;
1906
5345fdb4 1907 fd = qemu_chr_fe_get_msgfd(&cur_mon->chr);
f07918fd 1908 if (fd == -1) {
c6bd8c70 1909 error_setg(errp, QERR_FD_NOT_SUPPLIED);
208c9d1b 1910 return;
f07918fd
MM		 1911 }
1912
1913 if (qemu_isdigit(fdname[0])) {
0b9f0e2f 1914 close(fd);
c6bd8c70
MA		 1915 error_setg(errp, QERR_INVALID_PARAMETER_VALUE, "fdname",
1916 "a name not starting with a digit");
208c9d1b 1917 return;
f07918fd
MM		 1918 }
1919
208c9d1b 1920 QLIST_FOREACH(monfd, &cur_mon->fds, next) {
f07918fd
MM		 1921 if (strcmp(monfd->name, fdname) != 0) {
1922 continue;
1923 }
1924
1925 close(monfd->fd);
1926 monfd->fd = fd;
208c9d1b 1927 return;
f07918fd
MM		 1928 }
1929
7267c094
AL		 1930 monfd = g_malloc0(sizeof(mon_fd_t));
1931 monfd->name = g_strdup(fdname);
f07918fd
MM		 1932 monfd->fd = fd;
1933
208c9d1b 1934 QLIST_INSERT_HEAD(&cur_mon->fds, monfd, next);
f07918fd
MM		 1935}
1936
208c9d1b 1937void qmp_closefd(const char *fdname, Error **errp)
f07918fd 1938{
c227f099 1939 mon_fd_t *monfd;
f07918fd 1940
208c9d1b 1941 QLIST_FOREACH(monfd, &cur_mon->fds, next) {
f07918fd
MM		 1942 if (strcmp(monfd->name, fdname) != 0) {
1943 continue;
1944 }
1945
72cf2d4f 1946 QLIST_REMOVE(monfd, next);
f07918fd 1947 close(monfd->fd);
7267c094
AL		 1948 g_free(monfd->name);
1949 g_free(monfd);
208c9d1b 1950 return;
f07918fd
MM		 1951 }
1952
c6bd8c70 1953 error_setg(errp, QERR_FD_NOT_FOUND, fdname);
f07918fd
MM		 1954}
1955
a9940fc4 1956int monitor_get_fd(Monitor *mon, const char *fdname, Error **errp)
7768e04c 1957{
c227f099 1958 mon_fd_t *monfd;
7768e04c 1959
72cf2d4f 1960 QLIST_FOREACH(monfd, &mon->fds, next) {
7768e04c
MM		 1961 int fd;
1962
1963 if (strcmp(monfd->name, fdname) != 0) {
1964 continue;
1965 }
1966
1967 fd = monfd->fd;
1968
1969 /* caller takes ownership of fd */
72cf2d4f 1970 QLIST_REMOVE(monfd, next);
7267c094
AL		 1971 g_free(monfd->name);
1972 g_free(monfd);
7768e04c
MM		 1973
1974 return fd;
1975 }
1976
a9940fc4 1977 error_setg(errp, "File descriptor named '%s' has not been found", fdname);
7768e04c
MM		 1978 return -1;
1979}
1980
ba1c048a
CB		 1981static void monitor_fdset_cleanup(MonFdset *mon_fdset)
1982{
1983 MonFdsetFd *mon_fdset_fd;
1984 MonFdsetFd *mon_fdset_fd_next;
1985
1986 QLIST_FOREACH_SAFE(mon_fdset_fd, &mon_fdset->fds, next, mon_fdset_fd_next) {
ebe52b59
CB		 1987 if ((mon_fdset_fd->removed ||
1988 (QLIST_EMPTY(&mon_fdset->dup_fds) && mon_refcount == 0)) &&
1989 runstate_is_running()) {
ba1c048a
CB		 1990 close(mon_fdset_fd->fd);
1991 g_free(mon_fdset_fd->opaque);
1992 QLIST_REMOVE(mon_fdset_fd, next);
1993 g_free(mon_fdset_fd);
1994 }
1995 }
1996
adb696f3 1997 if (QLIST_EMPTY(&mon_fdset->fds) && QLIST_EMPTY(&mon_fdset->dup_fds)) {
ba1c048a
CB		 1998 QLIST_REMOVE(mon_fdset, next);
1999 g_free(mon_fdset);
2000 }
2001}
2002
efb87c16
CB		 2003static void monitor_fdsets_cleanup(void)
2004{
2005 MonFdset *mon_fdset;
2006 MonFdset *mon_fdset_next;
2007
2008 QLIST_FOREACH_SAFE(mon_fdset, &mon_fdsets, next, mon_fdset_next) {
2009 monitor_fdset_cleanup(mon_fdset);
2010 }
2011}
2012
ba1c048a
CB		 2013AddfdInfo *qmp_add_fd(bool has_fdset_id, int64_t fdset_id, bool has_opaque,
2014 const char *opaque, Error **errp)
2015{
2016 int fd;
2017 Monitor *mon = cur_mon;
ba1c048a
CB		 2018 AddfdInfo *fdinfo;
2019
5345fdb4 2020 fd = qemu_chr_fe_get_msgfd(&mon->chr);
ba1c048a 2021 if (fd == -1) {
c6bd8c70 2022 error_setg(errp, QERR_FD_NOT_SUPPLIED);
ba1c048a
CB		 2023 goto error;
2024 }
2025
e446f70d
CB		 2026 fdinfo = monitor_fdset_add_fd(fd, has_fdset_id, fdset_id,
2027 has_opaque, opaque, errp);
2028 if (fdinfo) {
2029 return fdinfo;
ba1c048a 2030 }
ba1c048a
CB		 2031
2032error:
2033 if (fd != -1) {
2034 close(fd);
2035 }
2036 return NULL;
2037}
2038
2039void qmp_remove_fd(int64_t fdset_id, bool has_fd, int64_t fd, Error **errp)
2040{
2041 MonFdset *mon_fdset;
2042 MonFdsetFd *mon_fdset_fd;
2043 char fd_str[60];
2044
2045 QLIST_FOREACH(mon_fdset, &mon_fdsets, next) {
2046 if (mon_fdset->id != fdset_id) {
2047 continue;
2048 }
2049 QLIST_FOREACH(mon_fdset_fd, &mon_fdset->fds, next) {
2050 if (has_fd) {
2051 if (mon_fdset_fd->fd != fd) {
2052 continue;
2053 }
2054 mon_fdset_fd->removed = true;
2055 break;
2056 } else {
2057 mon_fdset_fd->removed = true;
2058 }
2059 }
2060 if (has_fd && !mon_fdset_fd) {
2061 goto error;
2062 }
2063 monitor_fdset_cleanup(mon_fdset);
2064 return;
2065 }
2066
2067error:
2068 if (has_fd) {
2069 snprintf(fd_str, sizeof(fd_str), "fdset-id:%" PRId64 ", fd:%" PRId64,
2070 fdset_id, fd);
2071 } else {
2072 snprintf(fd_str, sizeof(fd_str), "fdset-id:%" PRId64, fdset_id);
2073 }
c6bd8c70 2074 error_setg(errp, QERR_FD_NOT_FOUND, fd_str);
ba1c048a
CB		 2075}
2076
2077FdsetInfoList *qmp_query_fdsets(Error **errp)
2078{
2079 MonFdset *mon_fdset;
2080 MonFdsetFd *mon_fdset_fd;
2081 FdsetInfoList *fdset_list = NULL;
2082
2083 QLIST_FOREACH(mon_fdset, &mon_fdsets, next) {
2084 FdsetInfoList *fdset_info = g_malloc0(sizeof(*fdset_info));
2085 FdsetFdInfoList *fdsetfd_list = NULL;
2086
2087 fdset_info->value = g_malloc0(sizeof(*fdset_info->value));
2088 fdset_info->value->fdset_id = mon_fdset->id;
2089
2090 QLIST_FOREACH(mon_fdset_fd, &mon_fdset->fds, next) {
2091 FdsetFdInfoList *fdsetfd_info;
2092
2093 fdsetfd_info = g_malloc0(sizeof(*fdsetfd_info));
2094 fdsetfd_info->value = g_malloc0(sizeof(*fdsetfd_info->value));
2095 fdsetfd_info->value->fd = mon_fdset_fd->fd;
2096 if (mon_fdset_fd->opaque) {
2097 fdsetfd_info->value->has_opaque = true;
2098 fdsetfd_info->value->opaque = g_strdup(mon_fdset_fd->opaque);
2099 } else {
2100 fdsetfd_info->value->has_opaque = false;
2101 }
2102
2103 fdsetfd_info->next = fdsetfd_list;
2104 fdsetfd_list = fdsetfd_info;
2105 }
2106
2107 fdset_info->value->fds = fdsetfd_list;
2108
2109 fdset_info->next = fdset_list;
2110 fdset_list = fdset_info;
2111 }
2112
2113 return fdset_list;
2114}
2115
e446f70d
CB		 2116AddfdInfo *monitor_fdset_add_fd(int fd, bool has_fdset_id, int64_t fdset_id,
2117 bool has_opaque, const char *opaque,
2118 Error **errp)
2119{
2120 MonFdset *mon_fdset = NULL;
2121 MonFdsetFd *mon_fdset_fd;
2122 AddfdInfo *fdinfo;
2123
2124 if (has_fdset_id) {
2125 QLIST_FOREACH(mon_fdset, &mon_fdsets, next) {
2126 /* Break if match found or match impossible due to ordering by ID */
2127 if (fdset_id <= mon_fdset->id) {
2128 if (fdset_id < mon_fdset->id) {
2129 mon_fdset = NULL;
2130 }
2131 break;
2132 }
2133 }
2134 }
2135
2136 if (mon_fdset == NULL) {
2137 int64_t fdset_id_prev = -1;
2138 MonFdset *mon_fdset_cur = QLIST_FIRST(&mon_fdsets);
2139
2140 if (has_fdset_id) {
2141 if (fdset_id < 0) {
c6bd8c70
MA		 2142 error_setg(errp, QERR_INVALID_PARAMETER_VALUE, "fdset-id",
2143 "a non-negative value");
e446f70d
CB		 2144 return NULL;
2145 }
2146 /* Use specified fdset ID */
2147 QLIST_FOREACH(mon_fdset, &mon_fdsets, next) {
2148 mon_fdset_cur = mon_fdset;
2149 if (fdset_id < mon_fdset_cur->id) {
2150 break;
2151 }
2152 }
2153 } else {
2154 /* Use first available fdset ID */
2155 QLIST_FOREACH(mon_fdset, &mon_fdsets, next) {
2156 mon_fdset_cur = mon_fdset;
2157 if (fdset_id_prev == mon_fdset_cur->id - 1) {
2158 fdset_id_prev = mon_fdset_cur->id;
2159 continue;
2160 }
2161 break;
2162 }
2163 }
2164
2165 mon_fdset = g_malloc0(sizeof(*mon_fdset));
2166 if (has_fdset_id) {
2167 mon_fdset->id = fdset_id;
2168 } else {
2169 mon_fdset->id = fdset_id_prev + 1;
2170 }
2171
2172 /* The fdset list is ordered by fdset ID */
2173 if (!mon_fdset_cur) {
2174 QLIST_INSERT_HEAD(&mon_fdsets, mon_fdset, next);
2175 } else if (mon_fdset->id < mon_fdset_cur->id) {
2176 QLIST_INSERT_BEFORE(mon_fdset_cur, mon_fdset, next);
2177 } else {
2178 QLIST_INSERT_AFTER(mon_fdset_cur, mon_fdset, next);
2179 }
2180 }
2181
2182 mon_fdset_fd = g_malloc0(sizeof(*mon_fdset_fd));
2183 mon_fdset_fd->fd = fd;
2184 mon_fdset_fd->removed = false;
2185 if (has_opaque) {
2186 mon_fdset_fd->opaque = g_strdup(opaque);
2187 }
2188 QLIST_INSERT_HEAD(&mon_fdset->fds, mon_fdset_fd, next);
2189
2190 fdinfo = g_malloc0(sizeof(*fdinfo));
2191 fdinfo->fdset_id = mon_fdset->id;
2192 fdinfo->fd = mon_fdset_fd->fd;
2193
2194 return fdinfo;
2195}
2196
adb696f3
CB		 2197int monitor_fdset_get_fd(int64_t fdset_id, int flags)
2198{
b2dc64c3 2199#ifndef _WIN32
adb696f3
CB		 2200 MonFdset *mon_fdset;
2201 MonFdsetFd *mon_fdset_fd;
2202 int mon_fd_flags;
2203
adb696f3
CB		 2204 QLIST_FOREACH(mon_fdset, &mon_fdsets, next) {
2205 if (mon_fdset->id != fdset_id) {
2206 continue;
2207 }
2208 QLIST_FOREACH(mon_fdset_fd, &mon_fdset->fds, next) {
2209 mon_fd_flags = fcntl(mon_fdset_fd->fd, F_GETFL);
2210 if (mon_fd_flags == -1) {
2211 return -1;
2212 }
2213
2214 if ((flags & O_ACCMODE) == (mon_fd_flags & O_ACCMODE)) {
2215 return mon_fdset_fd->fd;
2216 }
2217 }
2218 errno = EACCES;
2219 return -1;
2220 }
2221#endif
2222
2223 errno = ENOENT;
2224 return -1;
2225}
2226
2227int monitor_fdset_dup_fd_add(int64_t fdset_id, int dup_fd)
2228{
2229 MonFdset *mon_fdset;
2230 MonFdsetFd *mon_fdset_fd_dup;
2231
2232 QLIST_FOREACH(mon_fdset, &mon_fdsets, next) {
2233 if (mon_fdset->id != fdset_id) {
2234 continue;
2235 }
2236 QLIST_FOREACH(mon_fdset_fd_dup, &mon_fdset->dup_fds, next) {
2237 if (mon_fdset_fd_dup->fd == dup_fd) {
2238 return -1;
2239 }
2240 }
2241 mon_fdset_fd_dup = g_malloc0(sizeof(*mon_fdset_fd_dup));
2242 mon_fdset_fd_dup->fd = dup_fd;
2243 QLIST_INSERT_HEAD(&mon_fdset->dup_fds, mon_fdset_fd_dup, next);
2244 return 0;
2245 }
2246 return -1;
2247}
2248
2249static int monitor_fdset_dup_fd_find_remove(int dup_fd, bool remove)
2250{
2251 MonFdset *mon_fdset;
2252 MonFdsetFd *mon_fdset_fd_dup;
2253
2254 QLIST_FOREACH(mon_fdset, &mon_fdsets, next) {
2255 QLIST_FOREACH(mon_fdset_fd_dup, &mon_fdset->dup_fds, next) {
2256 if (mon_fdset_fd_dup->fd == dup_fd) {
2257 if (remove) {
2258 QLIST_REMOVE(mon_fdset_fd_dup, next);
2259 if (QLIST_EMPTY(&mon_fdset->dup_fds)) {
2260 monitor_fdset_cleanup(mon_fdset);
2261 }
b3dd1b8c
MT		 2262 return -1;
2263 } else {
2264 return mon_fdset->id;
adb696f3 2265 }
adb696f3
CB		 2266 }
2267 }
2268 }
2269 return -1;
2270}
2271
2272int monitor_fdset_dup_fd_find(int dup_fd)
2273{
2274 return monitor_fdset_dup_fd_find_remove(dup_fd, false);
2275}
2276
b3dd1b8c 2277void monitor_fdset_dup_fd_remove(int dup_fd)
adb696f3 2278{
b3dd1b8c 2279 monitor_fdset_dup_fd_find_remove(dup_fd, true);
adb696f3
CB		 2280}
2281
1677f4c6 2282int monitor_fd_param(Monitor *mon, const char *fdname, Error **errp)
5906366e
LE		 2283{
2284 int fd;
2285 Error *local_err = NULL;
a96ed02f 2286
5906366e 2287 if (!qemu_isdigit(fdname[0]) && mon) {
a9940fc4 2288 fd = monitor_get_fd(mon, fdname, &local_err);
5906366e
LE		 2289 } else {
2290 fd = qemu_parse_fd(fdname);
a96ed02f 2291 if (fd == -1) {
5906366e
LE		 2292 error_setg(&local_err, "Invalid file descriptor number '%s'",
2293 fdname);
a96ed02f 2294 }
5906366e
LE		 2295 }
2296 if (local_err) {
2297 error_propagate(errp, local_err);
2298 assert(fd == -1);
a96ed02f 2299 } else {
5906366e 2300 assert(fd != -1);
a96ed02f
NB		 2301 }
2302
2303 return fd;
2304}
2305
acd0a093 2306/* Please update hmp-commands.hx when adding or changing commands */
816f8925 2307static mon_cmd_t info_cmds[] = {
da76ee76
PB		 2308#include "hmp-commands-info.h"
2309 { NULL, NULL, },
9dc39cba
FB		 2310};
2311
a13ced59
WX		 2312/* mon_cmds and info_cmds would be sorted at runtime */
2313static mon_cmd_t mon_cmds[] = {
2314#include "hmp-commands.h"
2315 { NULL, NULL, },
2316};
2317
9307c4c1
FB		 2318/*******************************************************************/
2319
2320static const char *pch;
6ab7e546 2321static sigjmp_buf expr_env;
9307c4c1 2322
9307c4c1 2323
9c3175cc
SW		 2324static void GCC_FMT_ATTR(2, 3) QEMU_NORETURN
2325expr_error(Monitor *mon, const char *fmt, ...)
9dc39cba 2326{
277acfe8
FZ		 2327 va_list ap;
2328 va_start(ap, fmt);
2329 monitor_vprintf(mon, fmt, ap);
2330 monitor_printf(mon, "\n");
2331 va_end(ap);
6ab7e546 2332 siglongjmp(expr_env, 1);
9307c4c1
FB		 2333}
2334
09b9418c 2335/* return 0 if OK, -1 if not found */
92a31b1f 2336static int get_monitor_def(target_long *pval, const char *name)
9307c4c1 2337{
bf957284 2338 const MonitorDef *md = target_monitor_defs();
854e67fe 2339 CPUState *cs = mon_get_cpu();
92a31b1f 2340 void *ptr;
0a9516c2
AK		 2341 uint64_t tmp = 0;
2342 int ret;
92a31b1f 2343
854e67fe 2344 if (cs == NULL || md == NULL) {
bf957284
PB		 2345 return -1;
2346 }
2347
2348 for(; md->name != NULL; md++) {
9307c4c1
FB		 2349 if (compare_cmd(name, md->name)) {
2350 if (md->get_value) {
e95c8d51 2351 *pval = md->get_value(md, md->offset);
9307c4c1 2352 } else {
5bcda5f7 2353 CPUArchState *env = mon_get_cpu_env();
6a00d601 2354 ptr = (uint8_t *)env + md->offset;
92a31b1f
FB		 2355 switch(md->type) {
2356 case MD_I32:
2357 *pval = *(int32_t *)ptr;
2358 break;
2359 case MD_TLONG:
2360 *pval = *(target_long *)ptr;
2361 break;
2362 default:
2363 *pval = 0;
2364 break;
2365 }
9307c4c1
FB		 2366 }
2367 return 0;
2368 }
2369 }
0a9516c2 2370
854e67fe 2371 ret = target_get_monitor_def(cs, name, &tmp);
0a9516c2
AK		 2372 if (!ret) {
2373 *pval = (target_long) tmp;
2374 }
2375
2376 return ret;
9307c4c1
FB		 2377}
2378
2379static void next(void)
2380{
660f11be 2381 if (*pch != '\0') {
9307c4c1 2382 pch++;
cd390083 2383 while (qemu_isspace(*pch))
9307c4c1
FB		 2384 pch++;
2385 }
2386}
2387
376253ec 2388static int64_t expr_sum(Monitor *mon);
9307c4c1 2389
376253ec 2390static int64_t expr_unary(Monitor *mon)
9307c4c1 2391{
c2efc95d 2392 int64_t n;
9307c4c1 2393 char *p;
6a00d601 2394 int ret;
9307c4c1
FB		 2395
2396 switch(*pch) {
2397 case '+':
2398 next();
376253ec 2399 n = expr_unary(mon);
9307c4c1
FB		 2400 break;
2401 case '-':
2402 next();
376253ec 2403 n = -expr_unary(mon);
9307c4c1
FB		 2404 break;
2405 case '~':
2406 next();
376253ec 2407 n = ~expr_unary(mon);
9307c4c1
FB		 2408 break;
2409 case '(':
2410 next();
376253ec 2411 n = expr_sum(mon);
9307c4c1 2412 if (*pch != ')') {
376253ec 2413 expr_error(mon, "')' expected");
9307c4c1
FB		 2414 }
2415 next();
2416 break;
81d0912d
FB		 2417 case '\'':
2418 pch++;
2419 if (*pch == '\0')
376253ec 2420 expr_error(mon, "character constant expected");
81d0912d
FB		 2421 n = *pch;
2422 pch++;
2423 if (*pch != '\'')
376253ec 2424 expr_error(mon, "missing terminating \' character");
81d0912d
FB		 2425 next();
2426 break;
9307c4c1
FB		 2427 case '$':
2428 {
2429 char buf[128], *q;
69b34976 2430 target_long reg=0;
3b46e624 2431
9307c4c1
FB		 2432 pch++;
2433 q = buf;
2434 while ((*pch >= 'a' && *pch <= 'z') ||
2435 (*pch >= 'A' && *pch <= 'Z') ||
2436 (*pch >= '0' && *pch <= '9') ||
57206fd4 2437 *pch == '_' || *pch == '.') {
9307c4c1
FB		 2438 if ((q - buf) < sizeof(buf) - 1)
2439 *q++ = *pch;
2440 pch++;
2441 }
cd390083 2442 while (qemu_isspace(*pch))
9307c4c1
FB		 2443 pch++;
2444 *q = 0;
7743e588 2445 ret = get_monitor_def(&reg, buf);
09b9418c 2446 if (ret < 0)
376253ec 2447 expr_error(mon, "unknown register");
7743e588 2448 n = reg;
9307c4c1
FB		 2449 }
2450 break;
2451 case '\0':
376253ec 2452 expr_error(mon, "unexpected end of expression");
9307c4c1
FB		 2453 n = 0;
2454 break;
2455 default:
6b0e33be 2456 errno = 0;
4f4fbf77 2457 n = strtoull(pch, &p, 0);
6b0e33be
LC		 2458 if (errno == ERANGE) {
2459 expr_error(mon, "number too large");
2460 }
9307c4c1 2461 if (pch == p) {
277acfe8 2462 expr_error(mon, "invalid char '%c' in expression", *p);
9307c4c1
FB		 2463 }
2464 pch = p;
cd390083 2465 while (qemu_isspace(*pch))
9307c4c1
FB		 2466 pch++;
2467 break;
2468 }
2469 return n;
2470}
2471
2472
376253ec 2473static int64_t expr_prod(Monitor *mon)
9307c4c1 2474{
c2efc95d 2475 int64_t val, val2;
92a31b1f 2476 int op;
3b46e624 2477
376253ec 2478 val = expr_unary(mon);
9307c4c1
FB		 2479 for(;;) {
2480 op = *pch;
2481 if (op != '*' && op != '/' && op != '%')
2482 break;
2483 next();
376253ec 2484 val2 = expr_unary(mon);
9307c4c1
FB		 2485 switch(op) {
2486 default:
2487 case '*':
2488 val *= val2;
2489 break;
2490 case '/':
2491 case '%':
5fafdf24 2492 if (val2 == 0)
376253ec 2493 expr_error(mon, "division by zero");
9307c4c1
FB		 2494 if (op == '/')
2495 val /= val2;
2496 else
2497 val %= val2;
2498 break;
2499 }
2500 }
2501 return val;
2502}
2503
376253ec 2504static int64_t expr_logic(Monitor *mon)
9307c4c1 2505{
c2efc95d 2506 int64_t val, val2;
92a31b1f 2507 int op;
9307c4c1 2508
376253ec 2509 val = expr_prod(mon);
9307c4c1
FB		 2510 for(;;) {
2511 op = *pch;
2512 if (op != '&' && op != '|' && op != '^')
2513 break;
2514 next();
376253ec 2515 val2 = expr_prod(mon);
9307c4c1
FB		 2516 switch(op) {
2517 default:
2518 case '&':
2519 val &= val2;
2520 break;
2521 case '|':
2522 val |= val2;
2523 break;
2524 case '^':
2525 val ^= val2;
2526 break;
2527 }
2528 }
2529 return val;
2530}
2531
376253ec 2532static int64_t expr_sum(Monitor *mon)
9307c4c1 2533{
c2efc95d 2534 int64_t val, val2;
92a31b1f 2535 int op;
9307c4c1 2536
376253ec 2537 val = expr_logic(mon);
9307c4c1
FB		 2538 for(;;) {
2539 op = *pch;
2540 if (op != '+' && op != '-')
2541 break;
2542 next();
376253ec 2543 val2 = expr_logic(mon);
9307c4c1
FB		 2544 if (op == '+')
2545 val += val2;
2546 else
2547 val -= val2;
2548 }
2549 return val;
2550}
2551
376253ec 2552static int get_expr(Monitor *mon, int64_t *pval, const char **pp)
9307c4c1
FB		 2553{
2554 pch = *pp;
6ab7e546 2555 if (sigsetjmp(expr_env, 0)) {
9307c4c1
FB		 2556 *pp = pch;
2557 return -1;
2558 }
cd390083 2559 while (qemu_isspace(*pch))
9307c4c1 2560 pch++;
376253ec 2561 *pval = expr_sum(mon);
9307c4c1
FB		 2562 *pp = pch;
2563 return 0;
2564}
2565
3350a4dd
MA		 2566static int get_double(Monitor *mon, double *pval, const char **pp)
2567{
2568 const char *p = *pp;
2569 char *tailp;
2570 double d;
2571
2572 d = strtod(p, &tailp);
2573 if (tailp == p) {
2574 monitor_printf(mon, "Number expected\n");
2575 return -1;
2576 }
2577 if (d != d || d - d != 0) {
2578 /* NaN or infinity */
2579 monitor_printf(mon, "Bad number\n");
2580 return -1;
2581 }
2582 *pval = d;
2583 *pp = tailp;
2584 return 0;
2585}
2586
4590fd80
LC		 2587/*
2588 * Store the command-name in cmdname, and return a pointer to
2589 * the remaining of the command string.
2590 */
2591static const char *get_command_name(const char *cmdline,
2592 char *cmdname, size_t nlen)
2593{
2594 size_t len;
2595 const char *p, *pstart;
2596
2597 p = cmdline;
2598 while (qemu_isspace(*p))
2599 p++;
2600 if (*p == '\0')
2601 return NULL;
2602 pstart = p;
2603 while (*p != '\0' && *p != '/' && !qemu_isspace(*p))
2604 p++;
2605 len = p - pstart;
2606 if (len > nlen - 1)
2607 len = nlen - 1;
2608 memcpy(cmdname, pstart, len);
2609 cmdname[len] = '\0';
2610 return p;
2611}
2612
4d76d2ba
LC		 2613/**
2614 * Read key of 'type' into 'key' and return the current
2615 * 'type' pointer.
2616 */
2617static char *key_get_info(const char *type, char **key)
2618{
2619 size_t len;
2620 char *p, *str;
2621
2622 if (*type == ',')
2623 type++;
2624
2625 p = strchr(type, ':');
2626 if (!p) {
2627 *key = NULL;
2628 return NULL;
2629 }
2630 len = p - type;
2631
7267c094 2632 str = g_malloc(len + 1);
4d76d2ba
LC		 2633 memcpy(str, type, len);
2634 str[len] = '\0';
2635
2636 *key = str;
2637 return ++p;
2638}
2639
9307c4c1
FB		 2640static int default_fmt_format = 'x';
2641static int default_fmt_size = 4;
2642
fbc3d96c
LS		 2643static int is_valid_option(const char *c, const char *typestr)
2644{
2645 char option[3];
2646
2647 option[0] = '-';
2648 option[1] = *c;
2649 option[2] = '\0';
2650
2651 typestr = strstr(typestr, option);
2652 return (typestr != NULL);
2653}
2654
945c5ac8
LC		 2655static const mon_cmd_t *search_dispatch_table(const mon_cmd_t *disp_table,
2656 const char *cmdname)
7fd669a1
LC		 2657{
2658 const mon_cmd_t *cmd;
2659
945c5ac8 2660 for (cmd = disp_table; cmd->name != NULL; cmd++) {
7fd669a1
LC		 2661 if (compare_cmd(cmdname, cmd->name)) {
2662 return cmd;
2663 }
2664 }
2665
2666 return NULL;
2667}
2668
5f3d335f 2669/*
ae50212f
BD		 2670 * Parse command name from @cmdp according to command table @table.
2671 * If blank, return NULL.
2672 * Else, if no valid command can be found, report to @mon, and return
2673 * NULL.
2674 * Else, change @cmdp to point right behind the name, and return its
2675 * command table entry.
2676 * Do not assume the return value points into @table! It doesn't when
2677 * the command is found in a sub-command table.
5f3d335f 2678 */
c227f099 2679static const mon_cmd_t *monitor_parse_command(Monitor *mon,
ae50212f
BD		 2680 const char **cmdp,
2681 mon_cmd_t *table)
9307c4c1 2682{
ae50212f 2683 const char *p;
c227f099 2684 const mon_cmd_t *cmd;
9307c4c1 2685 char cmdname[256];
9dc39cba 2686
9307c4c1 2687 /* extract the command name */
ae50212f 2688 p = get_command_name(*cmdp, cmdname, sizeof(cmdname));
4590fd80 2689 if (!p)
55f81d96 2690 return NULL;
3b46e624 2691
5f3d335f 2692 cmd = search_dispatch_table(table, cmdname);
7fd669a1 2693 if (!cmd) {
5f3d335f 2694 monitor_printf(mon, "unknown command: '%.*s'\n",
ae50212f 2695 (int)(p - *cmdp), *cmdp);
55f81d96 2696 return NULL;
9307c4c1 2697 }
9307c4c1 2698
5f3d335f
WX		 2699 /* filter out following useless space */
2700 while (qemu_isspace(*p)) {
2701 p++;
2702 }
ae50212f
BD		 2703
2704 *cmdp = p;
5f3d335f 2705 /* search sub command */
ae50212f
BD		 2706 if (cmd->sub_table != NULL && *p != '\0') {
2707 return monitor_parse_command(mon, cmdp, cmd->sub_table);
5f3d335f
WX		 2708 }
2709
ae50212f
BD		 2710 return cmd;
2711}
2712
2713/*
2714 * Parse arguments for @cmd.
2715 * If it can't be parsed, report to @mon, and return NULL.
2716 * Else, insert command arguments into a QDict, and return it.
2717 * Note: On success, caller has to free the QDict structure.
2718 */
2719
2720static QDict *monitor_parse_arguments(Monitor *mon,
2721 const char **endp,
2722 const mon_cmd_t *cmd)
2723{
2724 const char *typestr;
2725 char *key;
2726 int c;
2727 const char *p = *endp;
2728 char buf[1024];
2729 QDict *qdict = qdict_new();
2730
9307c4c1
FB		 2731 /* parse the parameters */
2732 typestr = cmd->args_type;
9dc39cba 2733 for(;;) {
4d76d2ba
LC		 2734 typestr = key_get_info(typestr, &key);
2735 if (!typestr)
9dc39cba 2736 break;
4d76d2ba 2737 c = *typestr;
9307c4c1
FB		 2738 typestr++;
2739 switch(c) {
2740 case 'F':
81d0912d 2741 case 'B':
9307c4c1
FB		 2742 case 's':
2743 {
2744 int ret;
3b46e624 2745
cd390083 2746 while (qemu_isspace(*p))
9307c4c1
FB		 2747 p++;
2748 if (*typestr == '?') {
2749 typestr++;
2750 if (*p == '\0') {
2751 /* no optional string: NULL argument */
53773581 2752 break;
9307c4c1
FB		 2753 }
2754 }
2755 ret = get_str(buf, sizeof(buf), &p);
2756 if (ret < 0) {
81d0912d
FB		 2757 switch(c) {
2758 case 'F':
376253ec 2759 monitor_printf(mon, "%s: filename expected\n",
ae50212f 2760 cmd->name);
81d0912d
FB		 2761 break;
2762 case 'B':
376253ec 2763 monitor_printf(mon, "%s: block device name expected\n",
ae50212f 2764 cmd->name);
81d0912d
FB		 2765 break;
2766 default:
ae50212f 2767 monitor_printf(mon, "%s: string expected\n", cmd->name);
81d0912d
FB		 2768 break;
2769 }
9307c4c1
FB		 2770 goto fail;
2771 }
46f5ac20 2772 qdict_put_str(qdict, key, buf);
9307c4c1 2773 }
9dc39cba 2774 break;
361127df
MA		 2775 case 'O':
2776 {
2777 QemuOptsList *opts_list;
2778 QemuOpts *opts;
2779
2780 opts_list = qemu_find_opts(key);
2781 if (!opts_list || opts_list->desc->name) {
2782 goto bad_type;
2783 }
2784 while (qemu_isspace(*p)) {
2785 p++;
2786 }
2787 if (!*p)
2788 break;
2789 if (get_str(buf, sizeof(buf), &p) < 0) {
2790 goto fail;
2791 }
70b94331 2792 opts = qemu_opts_parse_noisily(opts_list, buf, true);
361127df
MA		 2793 if (!opts) {
2794 goto fail;
2795 }
2796 qemu_opts_to_qdict(opts, qdict);
2797 qemu_opts_del(opts);
2798 }
2799 break;
9307c4c1
FB		 2800 case '/':
2801 {
2802 int count, format, size;
3b46e624 2803
cd390083 2804 while (qemu_isspace(*p))
9307c4c1
FB		 2805 p++;
2806 if (*p == '/') {
2807 /* format found */
2808 p++;
2809 count = 1;
cd390083 2810 if (qemu_isdigit(*p)) {
9307c4c1 2811 count = 0;
cd390083 2812 while (qemu_isdigit(*p)) {
9307c4c1
FB		 2813 count = count * 10 + (*p - '0');
2814 p++;
2815 }
2816 }
2817 size = -1;
2818 format = -1;
2819 for(;;) {
2820 switch(*p) {
2821 case 'o':
2822 case 'd':
2823 case 'u':
2824 case 'x':
2825 case 'i':
2826 case 'c':
2827 format = *p++;
2828 break;
2829 case 'b':
2830 size = 1;
2831 p++;
2832 break;
2833 case 'h':
2834 size = 2;
2835 p++;
2836 break;
2837 case 'w':
2838 size = 4;
2839 p++;
2840 break;
2841 case 'g':
2842 case 'L':
2843 size = 8;
2844 p++;
2845 break;
2846 default:
2847 goto next;
2848 }
2849 }
2850 next:
cd390083 2851 if (*p != '\0' && !qemu_isspace(*p)) {
376253ec
AL		 2852 monitor_printf(mon, "invalid char in format: '%c'\n",
2853 *p);
9307c4c1
FB		 2854 goto fail;
2855 }
9307c4c1
FB		 2856 if (format < 0)
2857 format = default_fmt_format;
4c27ba27
FB		 2858 if (format != 'i') {
2859 /* for 'i', not specifying a size gives -1 as size */
2860 if (size < 0)
2861 size = default_fmt_size;
e90f009b 2862 default_fmt_size = size;
4c27ba27 2863 }
9307c4c1
FB		 2864 default_fmt_format = format;
2865 } else {
2866 count = 1;
2867 format = default_fmt_format;
4c27ba27
FB		 2868 if (format != 'i') {
2869 size = default_fmt_size;
2870 } else {
2871 size = -1;
2872 }
9307c4c1 2873 }
46f5ac20
EB		 2874 qdict_put_int(qdict, "count", count);
2875 qdict_put_int(qdict, "format", format);
2876 qdict_put_int(qdict, "size", size);
9307c4c1 2877 }
9dc39cba 2878 break;
9307c4c1 2879 case 'i':
92a31b1f 2880 case 'l':
b6e098d7 2881 case 'M':
9307c4c1 2882 {
c2efc95d 2883 int64_t val;
7743e588 2884
cd390083 2885 while (qemu_isspace(*p))
9307c4c1 2886 p++;
3440557b 2887 if (*typestr == '?' || *typestr == '.') {
3440557b 2888 if (*typestr == '?') {
53773581
LC		 2889 if (*p == '\0') {
2890 typestr++;
2891 break;
2892 }
3440557b
FB		 2893 } else {
2894 if (*p == '.') {
2895 p++;
cd390083 2896 while (qemu_isspace(*p))
3440557b 2897 p++;
3440557b 2898 } else {
53773581
LC		 2899 typestr++;
2900 break;
3440557b
FB		 2901 }
2902 }
13224a87 2903 typestr++;
9307c4c1 2904 }
376253ec 2905 if (get_expr(mon, &val, &p))
9307c4c1 2906 goto fail;
675ebef9
LC		 2907 /* Check if 'i' is greater than 32-bit */
2908 if ((c == 'i') && ((val >> 32) & 0xffffffff)) {
ae50212f 2909 monitor_printf(mon, "\'%s\' has failed: ", cmd->name);
675ebef9
LC		 2910 monitor_printf(mon, "integer is for 32-bit values\n");
2911 goto fail;
b6e098d7 2912 } else if (c == 'M') {
91162849
LC		 2913 if (val < 0) {
2914 monitor_printf(mon, "enter a positive value\n");
2915 goto fail;
2916 }
b6e098d7 2917 val <<= 20;
675ebef9 2918 }
46f5ac20 2919 qdict_put_int(qdict, key, val);
9307c4c1
FB		 2920 }
2921 break;
dbc0c67f
JS		 2922 case 'o':
2923 {
f17fd4fd 2924 int ret;
f46bfdbf 2925 uint64_t val;
dbc0c67f
JS		 2926 char *end;
2927
2928 while (qemu_isspace(*p)) {
2929 p++;
2930 }
2931 if (*typestr == '?') {
2932 typestr++;
2933 if (*p == '\0') {
2934 break;
2935 }
2936 }
f17fd4fd 2937 ret = qemu_strtosz_MiB(p, &end, &val);
f46bfdbf 2938 if (ret < 0 || val > INT64_MAX) {
dbc0c67f
JS		 2939 monitor_printf(mon, "invalid size\n");
2940 goto fail;
2941 }
46f5ac20 2942 qdict_put_int(qdict, key, val);
dbc0c67f
JS		 2943 p = end;
2944 }
2945 break;
fccfb11e 2946 case 'T':
3350a4dd
MA		 2947 {
2948 double val;
2949
2950 while (qemu_isspace(*p))
2951 p++;
2952 if (*typestr == '?') {
2953 typestr++;
2954 if (*p == '\0') {
2955 break;
2956 }
2957 }
2958 if (get_double(mon, &val, &p) < 0) {
2959 goto fail;
2960 }
07de3e60 2961 if (p[0] && p[1] == 's') {
fccfb11e
MA		 2962 switch (*p) {
2963 case 'm':
2964 val /= 1e3; p += 2; break;
2965 case 'u':
2966 val /= 1e6; p += 2; break;
2967 case 'n':
2968 val /= 1e9; p += 2; break;
2969 }
2970 }
3350a4dd
MA		 2971 if (*p && !qemu_isspace(*p)) {
2972 monitor_printf(mon, "Unknown unit suffix\n");
2973 goto fail;
2974 }
2975 qdict_put(qdict, key, qfloat_from_double(val));
2976 }
2977 break;
942cd1f2
MA		 2978 case 'b':
2979 {
2980 const char *beg;
fc48ffc3 2981 bool val;
942cd1f2
MA		 2982
2983 while (qemu_isspace(*p)) {
2984 p++;
2985 }
2986 beg = p;
2987 while (qemu_isgraph(*p)) {
2988 p++;
2989 }
2990 if (p - beg == 2 && !memcmp(beg, "on", p - beg)) {
fc48ffc3 2991 val = true;
942cd1f2 2992 } else if (p - beg == 3 && !memcmp(beg, "off", p - beg)) {
fc48ffc3 2993 val = false;
942cd1f2
MA		 2994 } else {
2995 monitor_printf(mon, "Expected 'on' or 'off'\n");
2996 goto fail;
2997 }
46f5ac20 2998 qdict_put_bool(qdict, key, val);
942cd1f2
MA		 2999 }
3000 break;
9307c4c1
FB		 3001 case '-':
3002 {
fbc3d96c 3003 const char *tmp = p;
eb159d13 3004 int skip_key = 0;
9307c4c1 3005 /* option */
3b46e624 3006
9307c4c1
FB		 3007 c = *typestr++;
3008 if (c == '\0')
3009 goto bad_type;
cd390083 3010 while (qemu_isspace(*p))
9307c4c1 3011 p++;
9307c4c1
FB		 3012 if (*p == '-') {
3013 p++;
fbc3d96c
LS		 3014 if(c != *p) {
3015 if(!is_valid_option(p, typestr)) {
3016
3017 monitor_printf(mon, "%s: unsupported option -%c\n",
ae50212f 3018 cmd->name, *p);
fbc3d96c
LS		 3019 goto fail;
3020 } else {
3021 skip_key = 1;
3022 }
3023 }
3024 if(skip_key) {
3025 p = tmp;
3026 } else {
eb159d13 3027 /* has option */
fbc3d96c 3028 p++;
46f5ac20 3029 qdict_put_bool(qdict, key, true);
9307c4c1 3030 }
9307c4c1 3031 }
9307c4c1
FB		 3032 }
3033 break;
129be006
WX		 3034 case 'S':
3035 {
3036 /* package all remaining string */
3037 int len;
3038
3039 while (qemu_isspace(*p)) {
3040 p++;
3041 }
3042 if (*typestr == '?') {
3043 typestr++;
3044 if (*p == '\0') {
3045 /* no remaining string: NULL argument */
3046 break;
3047 }
3048 }
3049 len = strlen(p);
3050 if (len <= 0) {
3051 monitor_printf(mon, "%s: string expected\n",
ae50212f 3052 cmd->name);
e549d2aa 3053 goto fail;
129be006 3054 }
46f5ac20 3055 qdict_put_str(qdict, key, p);
129be006
WX		 3056 p += len;
3057 }
3058 break;
9307c4c1
FB		 3059 default:
3060 bad_type:
ae50212f 3061 monitor_printf(mon, "%s: unknown type '%c'\n", cmd->name, c);
9307c4c1
FB		 3062 goto fail;
3063 }
7267c094 3064 g_free(key);
4d76d2ba 3065 key = NULL;
9dc39cba 3066 }
9307c4c1 3067 /* check that all arguments were parsed */
cd390083 3068 while (qemu_isspace(*p))
9307c4c1
FB		 3069 p++;
3070 if (*p != '\0') {
376253ec 3071 monitor_printf(mon, "%s: extraneous characters at the end of line\n",
ae50212f 3072 cmd->name);
9307c4c1 3073 goto fail;
9dc39cba 3074 }
9307c4c1 3075
ae50212f 3076 return qdict;
ac7531ec 3077
55f81d96 3078fail:
ae50212f 3079 QDECREF(qdict);
7267c094 3080 g_free(key);
55f81d96
LC		 3081 return NULL;
3082}
3083
7ef6cf63 3084static void handle_hmp_command(Monitor *mon, const char *cmdline)
55f81d96 3085{
55f81d96 3086 QDict *qdict;
c227f099 3087 const mon_cmd_t *cmd;
55f81d96 3088
ae50212f
BD		 3089 cmd = monitor_parse_command(mon, &cmdline, mon->cmd_table);
3090 if (!cmd) {
3091 return;
3092 }
55f81d96 3093
ae50212f
BD		 3094 qdict = monitor_parse_arguments(mon, &cmdline, cmd);
3095 if (!qdict) {
dd41eea7
BD		 3096 monitor_printf(mon, "Try \"help %s\" for more information\n",
3097 cmd->name);
ae50212f 3098 return;
55f81d96
LC		 3099 }
3100
2b9e3576 3101 cmd->cmd(mon, qdict);
f7188bbe 3102 QDECREF(qdict);
9dc39cba
FB		 3103}
3104
cd5c6bba 3105static void cmd_completion(Monitor *mon, const char *name, const char *list)
81d0912d
FB		 3106{
3107 const char *p, *pstart;
3108 char cmd[128];
3109 int len;
3110
3111 p = list;
3112 for(;;) {
3113 pstart = p;
3114 p = strchr(p, '|');
3115 if (!p)
3116 p = pstart + strlen(pstart);
3117 len = p - pstart;
3118 if (len > sizeof(cmd) - 2)
3119 len = sizeof(cmd) - 2;
3120 memcpy(cmd, pstart, len);
3121 cmd[len] = '\0';
3122 if (name[0] == '\0' || !strncmp(name, cmd, strlen(name))) {
cd5c6bba 3123 readline_add_completion(mon->rs, cmd);
81d0912d
FB		 3124 }
3125 if (*p == '\0')
3126 break;
3127 p++;
3128 }
3129}
3130
cb8f68b1 3131static void file_completion(Monitor *mon, const char *input)
81d0912d
FB		 3132{
3133 DIR *ffs;
3134 struct dirent *d;
3135 char path[1024];
3136 char file[1024], file_prefix[1024];
3137 int input_path_len;
3138 const char *p;
3139
5fafdf24 3140 p = strrchr(input, '/');
81d0912d
FB		 3141 if (!p) {
3142 input_path_len = 0;
3143 pstrcpy(file_prefix, sizeof(file_prefix), input);
363a37d5 3144 pstrcpy(path, sizeof(path), ".");
81d0912d
FB		 3145 } else {
3146 input_path_len = p - input + 1;
3147 memcpy(path, input, input_path_len);
3148 if (input_path_len > sizeof(path) - 1)
3149 input_path_len = sizeof(path) - 1;
3150 path[input_path_len] = '\0';
3151 pstrcpy(file_prefix, sizeof(file_prefix), p + 1);
3152 }
19f2db5c 3153
81d0912d
FB		 3154 ffs = opendir(path);
3155 if (!ffs)
3156 return;
3157 for(;;) {
3158 struct stat sb;
3159 d = readdir(ffs);
3160 if (!d)
3161 break;
46c7fc18
KK		 3162
3163 if (strcmp(d->d_name, ".") == 0 || strcmp(d->d_name, "..") == 0) {
3164 continue;
3165 }
3166
81d0912d
FB		 3167 if (strstart(d->d_name, file_prefix, NULL)) {
3168 memcpy(file, input, input_path_len);
363a37d5
BS		 3169 if (input_path_len < sizeof(file))
3170 pstrcpy(file + input_path_len, sizeof(file) - input_path_len,
3171 d->d_name);
81d0912d
FB		 3172 /* stat the file to find out if it's a directory.
3173 * In that case add a slash to speed up typing long paths
3174 */
c951d9a6 3175 if (stat(file, &sb) == 0 && S_ISDIR(sb.st_mode)) {
363a37d5 3176 pstrcat(file, sizeof(file), "/");
c951d9a6 3177 }
cb8f68b1 3178 readline_add_completion(mon->rs, file);
81d0912d
FB		 3179 }
3180 }
3181 closedir(ffs);
3182}
3183
4d76d2ba
LC		 3184static const char *next_arg_type(const char *typestr)
3185{
3186 const char *p = strchr(typestr, ':');
3187 return (p != NULL ? ++p : typestr);
3188}
3189
40d19394
HB		 3190static void add_completion_option(ReadLineState *rs, const char *str,
3191 const char *option)
3192{
3193 if (!str || !option) {
3194 return;
3195 }
3196 if (!strncmp(option, str, strlen(str))) {
3197 readline_add_completion(rs, option);
3198 }
3199}
3200
13e315da
HB		 3201void chardev_add_completion(ReadLineState *rs, int nb_args, const char *str)
3202{
3203 size_t len;
3204 ChardevBackendInfoList *list, *start;
3205
3206 if (nb_args != 2) {
3207 return;
3208 }
3209 len = strlen(str);
3210 readline_set_completion_index(rs, len);
3211
3212 start = list = qmp_query_chardev_backends(NULL);
3213 while (list) {
3214 const char *chr_name = list->value->name;
3215
3216 if (!strncmp(chr_name, str, len)) {
3217 readline_add_completion(rs, chr_name);
3218 }
3219 list = list->next;
3220 }
3221 qapi_free_ChardevBackendInfoList(start);
3222}
3223
b162b49a
HB		 3224void netdev_add_completion(ReadLineState *rs, int nb_args, const char *str)
3225{
3226 size_t len;
3227 int i;
3228
3229 if (nb_args != 2) {
3230 return;
3231 }
3232 len = strlen(str);
3233 readline_set_completion_index(rs, len);
f394b2e2
EB		 3234 for (i = 0; NetClientDriver_lookup[i]; i++) {
3235 add_completion_option(rs, str, NetClientDriver_lookup[i]);
b162b49a
HB		 3236 }
3237}
3238
2da1b3ab 3239void device_add_completion(ReadLineState *rs, int nb_args, const char *str)
992d3e64
HB		 3240{
3241 GSList *list, *elt;
3242 size_t len;
3243
2da1b3ab
HB		 3244 if (nb_args != 2) {
3245 return;
3246 }
3247
992d3e64
HB		 3248 len = strlen(str);
3249 readline_set_completion_index(rs, len);
3250 list = elt = object_class_get_list(TYPE_DEVICE, false);
3251 while (elt) {
3252 const char *name;
3253 DeviceClass *dc = OBJECT_CLASS_CHECK(DeviceClass, elt->data,
3254 TYPE_DEVICE);
3255 name = object_class_get_name(OBJECT_CLASS(dc));
2da1b3ab 3256
e90f2a8c 3257 if (dc->user_creatable
2da1b3ab 3258 && !strncmp(name, str, len)) {
992d3e64
HB		 3259 readline_add_completion(rs, name);
3260 }
3261 elt = elt->next;
3262 }
3263 g_slist_free(list);
3264}
3265
bfa40f77 3266void object_add_completion(ReadLineState *rs, int nb_args, const char *str)
1094fd3a
HB		 3267{
3268 GSList *list, *elt;
3269 size_t len;
3270
bfa40f77
HB		 3271 if (nb_args != 2) {
3272 return;
3273 }
3274
1094fd3a
HB		 3275 len = strlen(str);
3276 readline_set_completion_index(rs, len);
3277 list = elt = object_class_get_list(TYPE_USER_CREATABLE, false);
3278 while (elt) {
3279 const char *name;
3280
3281 name = object_class_get_name(OBJECT_CLASS(elt->data));
3282 if (!strncmp(name, str, len) && strcmp(name, TYPE_USER_CREATABLE)) {
3283 readline_add_completion(rs, name);
3284 }
3285 elt = elt->next;
3286 }
3287 g_slist_free(list);
3288}
3289
6a1fa9f5
ZG		 3290static void peripheral_device_del_completion(ReadLineState *rs,
3291 const char *str, size_t len)
3292{
4cae4d5a
MA		 3293 Object *peripheral = container_get(qdev_get_machine(), "/peripheral");
3294 GSList *list, *item;
6a1fa9f5 3295
4cae4d5a
MA		 3296 list = qdev_build_hotpluggable_device_list(peripheral);
3297 if (!list) {
6a1fa9f5
ZG		 3298 return;
3299 }
3300
6a1fa9f5
ZG		 3301 for (item = list; item; item = g_slist_next(item)) {
3302 DeviceState *dev = item->data;
3303
3304 if (dev->id && !strncmp(str, dev->id, len)) {
3305 readline_add_completion(rs, dev->id);
3306 }
3307 }
3308
3309 g_slist_free(list);
3310}
3311
6297d9a2
HB		 3312void chardev_remove_completion(ReadLineState *rs, int nb_args, const char *str)
3313{
3314 size_t len;
3315 ChardevInfoList *list, *start;
3316
3317 if (nb_args != 2) {
3318 return;
3319 }
3320 len = strlen(str);
3321 readline_set_completion_index(rs, len);
3322
3323 start = list = qmp_query_chardev(NULL);
3324 while (list) {
3325 ChardevInfo *chr = list->value;
3326
3327 if (!strncmp(chr->label, str, len)) {
3328 readline_add_completion(rs, chr->label);
3329 }
3330 list = list->next;
3331 }
3332 qapi_free_ChardevInfoList(start);
3333}
3334
8e597779
HB		 3335static void ringbuf_completion(ReadLineState *rs, const char *str)
3336{
3337 size_t len;
3338 ChardevInfoList *list, *start;
3339
3340 len = strlen(str);
3341 readline_set_completion_index(rs, len);
3342
3343 start = list = qmp_query_chardev(NULL);
3344 while (list) {
3345 ChardevInfo *chr_info = list->value;
3346
3347 if (!strncmp(chr_info->label, str, len)) {
0ec7b3e7 3348 Chardev *chr = qemu_chr_find(chr_info->label);
777357d7 3349 if (chr && CHARDEV_IS_RINGBUF(chr)) {
8e597779
HB		 3350 readline_add_completion(rs, chr_info->label);
3351 }
3352 }
3353 list = list->next;
3354 }
3355 qapi_free_ChardevInfoList(start);
3356}
3357
8e597779
HB		 3358void ringbuf_write_completion(ReadLineState *rs, int nb_args, const char *str)
3359{
3360 if (nb_args != 2) {
3361 return;
3362 }
3363 ringbuf_completion(rs, str);
3364}
3365
2da1b3ab
HB		 3366void device_del_completion(ReadLineState *rs, int nb_args, const char *str)
3367{
3368 size_t len;
3369
3370 if (nb_args != 2) {
3371 return;
3372 }
3373
3374 len = strlen(str);
3375 readline_set_completion_index(rs, len);
6a1fa9f5 3376 peripheral_device_del_completion(rs, str, len);
2da1b3ab
HB		 3377}
3378
bfa40f77 3379void object_del_completion(ReadLineState *rs, int nb_args, const char *str)
b48fa074
HB		 3380{
3381 ObjectPropertyInfoList *list, *start;
3382 size_t len;
3383
bfa40f77
HB		 3384 if (nb_args != 2) {
3385 return;
3386 }
b48fa074
HB		 3387 len = strlen(str);
3388 readline_set_completion_index(rs, len);
3389
3390 start = list = qmp_qom_list("/objects", NULL);
3391 while (list) {
3392 ObjectPropertyInfo *info = list->value;
3393
3394 if (!strncmp(info->type, "child<", 5)
3395 && !strncmp(info->name, str, len)) {
3396 readline_add_completion(rs, info->name);
3397 }
3398 list = list->next;
3399 }
3400 qapi_free_ObjectPropertyInfoList(start);
3401}
3402
29136cd8
HB		 3403void sendkey_completion(ReadLineState *rs, int nb_args, const char *str)
3404{
3405 int i;
3406 char *sep;
3407 size_t len;
3408
3409 if (nb_args != 2) {
3410 return;
3411 }
3412 sep = strrchr(str, '-');
3413 if (sep) {
3414 str = sep + 1;
3415 }
3416 len = strlen(str);
3417 readline_set_completion_index(rs, len);
7fb1cf16 3418 for (i = 0; i < Q_KEY_CODE__MAX; i++) {
29136cd8
HB		 3419 if (!strncmp(str, QKeyCode_lookup[i], len)) {
3420 readline_add_completion(rs, QKeyCode_lookup[i]);
3421 }
3422 }
3423}
3424
40d19394
HB		 3425void set_link_completion(ReadLineState *rs, int nb_args, const char *str)
3426{
3427 size_t len;
3428
3429 len = strlen(str);
3430 readline_set_completion_index(rs, len);
3431 if (nb_args == 2) {
eaed483c 3432 NetClientState *ncs[MAX_QUEUE_NUM];
40d19394
HB		 3433 int count, i;
3434 count = qemu_find_net_clients_except(NULL, ncs,
f394b2e2 3435 NET_CLIENT_DRIVER_NONE,
eaed483c 3436 MAX_QUEUE_NUM);
bcfa4d60 3437 for (i = 0; i < MIN(count, MAX_QUEUE_NUM); i++) {
40d19394
HB		 3438 const char *name = ncs[i]->name;
3439 if (!strncmp(str, name, len)) {
3440 readline_add_completion(rs, name);
3441 }
3442 }
3443 } else if (nb_args == 3) {
3444 add_completion_option(rs, str, "on");
3445 add_completion_option(rs, str, "off");
3446 }
3447}
3448
11b389f2
HB		 3449void netdev_del_completion(ReadLineState *rs, int nb_args, const char *str)
3450{
3451 int len, count, i;
eaed483c 3452 NetClientState *ncs[MAX_QUEUE_NUM];
11b389f2
HB		 3453
3454 if (nb_args != 2) {
3455 return;
3456 }
3457
3458 len = strlen(str);
3459 readline_set_completion_index(rs, len);
f394b2e2 3460 count = qemu_find_net_clients_except(NULL, ncs, NET_CLIENT_DRIVER_NIC,
eaed483c 3461 MAX_QUEUE_NUM);
bcfa4d60 3462 for (i = 0; i < MIN(count, MAX_QUEUE_NUM); i++) {
11b389f2
HB		 3463 QemuOpts *opts;
3464 const char *name = ncs[i]->name;
3465 if (strncmp(str, name, len)) {
3466 continue;
3467 }
3468 opts = qemu_opts_find(qemu_find_opts_err("netdev", NULL), name);
3469 if (opts) {
3470 readline_add_completion(rs, name);
3471 }
3472 }
3473}
3474
bd71211d
LV		 3475void info_trace_events_completion(ReadLineState *rs, int nb_args, const char *str)
3476{
3477 size_t len;
3478
3479 len = strlen(str);
3480 readline_set_completion_index(rs, len);
3481 if (nb_args == 2) {
0d4e995c
DB		 3482 TraceEventIter iter;
3483 TraceEvent *ev;
3484 char *pattern = g_strdup_printf("%s*", str);
3485 trace_event_iter_init(&iter, pattern);
3486 while ((ev = trace_event_iter_next(&iter)) != NULL) {
3487 readline_add_completion(rs, trace_event_get_name(ev));
bd71211d 3488 }
0d4e995c 3489 g_free(pattern);
bd71211d
LV		 3490 }
3491}
3492
987bd270
DDAG		 3493void trace_event_completion(ReadLineState *rs, int nb_args, const char *str)
3494{
3495 size_t len;
3496
3497 len = strlen(str);
3498 readline_set_completion_index(rs, len);
3499 if (nb_args == 2) {
0d4e995c
DB		 3500 TraceEventIter iter;
3501 TraceEvent *ev;
3502 char *pattern = g_strdup_printf("%s*", str);
3503 trace_event_iter_init(&iter, pattern);
3504 while ((ev = trace_event_iter_next(&iter)) != NULL) {
3505 readline_add_completion(rs, trace_event_get_name(ev));
3506 }
3507 g_free(pattern);
987bd270
DDAG		 3508 } else if (nb_args == 3) {
3509 add_completion_option(rs, str, "on");
3510 add_completion_option(rs, str, "off");
3511 }
3512}
3513
d0ece345
HB		 3514void watchdog_action_completion(ReadLineState *rs, int nb_args, const char *str)
3515{
4bb08af3
HB		 3516 int i;
3517
d0ece345
HB		 3518 if (nb_args != 2) {
3519 return;
3520 }
3521 readline_set_completion_index(rs, strlen(str));
4bb08af3
HB		 3522 for (i = 0; WatchdogExpirationAction_lookup[i]; i++) {
3523 add_completion_option(rs, str, WatchdogExpirationAction_lookup[i]);
3524 }
d0ece345
HB		 3525}
3526
c68a0409
HB		 3527void migrate_set_capability_completion(ReadLineState *rs, int nb_args,
3528 const char *str)
3529{
3530 size_t len;
3531
3532 len = strlen(str);
3533 readline_set_completion_index(rs, len);
3534 if (nb_args == 2) {
3535 int i;
7fb1cf16 3536 for (i = 0; i < MIGRATION_CAPABILITY__MAX; i++) {
c68a0409
HB		 3537 const char *name = MigrationCapability_lookup[i];
3538 if (!strncmp(str, name, len)) {
3539 readline_add_completion(rs, name);
3540 }
3541 }
3542 } else if (nb_args == 3) {
3543 add_completion_option(rs, str, "on");
3544 add_completion_option(rs, str, "off");
3545 }
3546}
3547
50e9a629
LL		 3548void migrate_set_parameter_completion(ReadLineState *rs, int nb_args,
3549 const char *str)
3550{
3551 size_t len;
3552
3553 len = strlen(str);
3554 readline_set_completion_index(rs, len);
3555 if (nb_args == 2) {
3556 int i;
7fb1cf16 3557 for (i = 0; i < MIGRATION_PARAMETER__MAX; i++) {
50e9a629
LL		 3558 const char *name = MigrationParameter_lookup[i];
3559 if (!strncmp(str, name, len)) {
3560 readline_add_completion(rs, name);
3561 }
3562 }
3563 }
3564}
3565
e3bb532c
HB		 3566void host_net_add_completion(ReadLineState *rs, int nb_args, const char *str)
3567{
3568 int i;
3569 size_t len;
3570 if (nb_args != 2) {
3571 return;
3572 }
3573 len = strlen(str);
3574 readline_set_completion_index(rs, len);
3575 for (i = 0; host_net_devices[i]; i++) {
3576 if (!strncmp(host_net_devices[i], str, len)) {
3577 readline_add_completion(rs, host_net_devices[i]);
3578 }
3579 }
3580}
3581
ddd6b45c
HB		 3582void host_net_remove_completion(ReadLineState *rs, int nb_args, const char *str)
3583{
eaed483c 3584 NetClientState *ncs[MAX_QUEUE_NUM];
ddd6b45c
HB		 3585 int count, i, len;
3586
3587 len = strlen(str);
3588 readline_set_completion_index(rs, len);
3589 if (nb_args == 2) {
3590 count = qemu_find_net_clients_except(NULL, ncs,
f394b2e2 3591 NET_CLIENT_DRIVER_NONE,
eaed483c 3592 MAX_QUEUE_NUM);
bcfa4d60 3593 for (i = 0; i < MIN(count, MAX_QUEUE_NUM); i++) {
ddd6b45c
HB		 3594 int id;
3595 char name[16];
3596
3597 if (net_hub_id_for_client(ncs[i], &id)) {
3598 continue;
3599 }
3600 snprintf(name, sizeof(name), "%d", id);
3601 if (!strncmp(str, name, len)) {
3602 readline_add_completion(rs, name);
3603 }
3604 }
3605 return;
3606 } else if (nb_args == 3) {
3607 count = qemu_find_net_clients_except(NULL, ncs,
f394b2e2 3608 NET_CLIENT_DRIVER_NIC,
eaed483c 3609 MAX_QUEUE_NUM);
bcfa4d60 3610 for (i = 0; i < MIN(count, MAX_QUEUE_NUM); i++) {
2c4681f5 3611 int id;
ddd6b45c
HB		 3612 const char *name;
3613
f394b2e2 3614 if (ncs[i]->info->type == NET_CLIENT_DRIVER_HUBPORT ||
2c4681f5
JW		 3615 net_hub_id_for_client(ncs[i], &id)) {
3616 continue;
3617 }
ddd6b45c
HB		 3618 name = ncs[i]->name;
3619 if (!strncmp(str, name, len)) {
3620 readline_add_completion(rs, name);
3621 }
3622 }
3623 return;
3624 }
3625}
3626
b21631f3
HB		 3627static void vm_completion(ReadLineState *rs, const char *str)
3628{
3629 size_t len;
7c8eece4 3630 BlockDriverState *bs;
88be7b4b 3631 BdrvNextIterator it;
b21631f3
HB		 3632
3633 len = strlen(str);
3634 readline_set_completion_index(rs, len);
7c8eece4 3635
88be7b4b 3636 for (bs = bdrv_first(&it); bs; bs = bdrv_next(&it)) {
b21631f3 3637 SnapshotInfoList *snapshots, *snapshot;
6bf1faa8
DL		 3638 AioContext *ctx = bdrv_get_aio_context(bs);
3639 bool ok = false;
b21631f3 3640
6bf1faa8
DL		 3641 aio_context_acquire(ctx);
3642 if (bdrv_can_snapshot(bs)) {
3643 ok = bdrv_query_snapshot_info_list(bs, &snapshots, NULL) == 0;
b21631f3 3644 }
6bf1faa8
DL		 3645 aio_context_release(ctx);
3646 if (!ok) {
b21631f3
HB		 3647 continue;
3648 }
6bf1faa8 3649
b21631f3
HB		 3650 snapshot = snapshots;
3651 while (snapshot) {
3652 char *completion = snapshot->value->name;
3653 if (!strncmp(str, completion, len)) {
3654 readline_add_completion(rs, completion);
3655 }
3656 completion = snapshot->value->id;
3657 if (!strncmp(str, completion, len)) {
3658 readline_add_completion(rs, completion);
3659 }
3660 snapshot = snapshot->next;
3661 }
3662 qapi_free_SnapshotInfoList(snapshots);
3663 }
3664
3665}
3666
3667void delvm_completion(ReadLineState *rs, int nb_args, const char *str)
3668{
3669 if (nb_args == 2) {
3670 vm_completion(rs, str);
3671 }
3672}
3673
3674void loadvm_completion(ReadLineState *rs, int nb_args, const char *str)
3675{
3676 if (nb_args == 2) {
3677 vm_completion(rs, str);
3678 }
3679}
3680
c35b6400
WX		 3681static void monitor_find_completion_by_table(Monitor *mon,
3682 const mon_cmd_t *cmd_table,
3683 char **args,
3684 int nb_args)
81d0912d
FB		 3685{
3686 const char *cmdname;
c35b6400 3687 int i;
fea68bb6 3688 const char *ptype, *str, *name;
c227f099 3689 const mon_cmd_t *cmd;
da27a00e 3690 BlockBackend *blk = NULL;
81d0912d 3691
81d0912d
FB		 3692 if (nb_args <= 1) {
3693 /* command completion */
3694 if (nb_args == 0)
3695 cmdname = "";
3696 else
3697 cmdname = args[0];
d2674b2c 3698 readline_set_completion_index(mon->rs, strlen(cmdname));
c35b6400 3699 for (cmd = cmd_table; cmd->name != NULL; cmd++) {
cd5c6bba 3700 cmd_completion(mon, cmdname, cmd->name);
81d0912d
FB		 3701 }
3702 } else {
3703 /* find the command */
c35b6400 3704 for (cmd = cmd_table; cmd->name != NULL; cmd++) {
03a63484
JK		 3705 if (compare_cmd(args[0], cmd->name)) {
3706 break;
3707 }
81d0912d 3708 }
03a63484 3709 if (!cmd->name) {
c35b6400 3710 return;
03a63484
JK		 3711 }
3712
d903a779
WX		 3713 if (cmd->sub_table) {
3714 /* do the job again */
e7ae771f
SW		 3715 monitor_find_completion_by_table(mon, cmd->sub_table,
3716 &args[1], nb_args - 1);
3717 return;
d903a779 3718 }
bfa40f77 3719 if (cmd->command_completion) {
e7ae771f
SW		 3720 cmd->command_completion(mon->rs, nb_args, args[nb_args - 1]);
3721 return;
bfa40f77 3722 }
d903a779 3723
4d76d2ba 3724 ptype = next_arg_type(cmd->args_type);
81d0912d
FB		 3725 for(i = 0; i < nb_args - 2; i++) {
3726 if (*ptype != '\0') {
4d76d2ba 3727 ptype = next_arg_type(ptype);
81d0912d 3728 while (*ptype == '?')
4d76d2ba 3729 ptype = next_arg_type(ptype);
81d0912d
FB		 3730 }
3731 }
3732 str = args[nb_args - 1];
48fe86f6 3733 while (*ptype == '-' && ptype[1] != '\0') {
3b6dbf27 3734 ptype = next_arg_type(ptype);
2a1704a7 3735 }
81d0912d
FB		 3736 switch(*ptype) {
3737 case 'F':
3738 /* file completion */
d2674b2c 3739 readline_set_completion_index(mon->rs, strlen(str));
cb8f68b1 3740 file_completion(mon, str);
81d0912d
FB		 3741 break;
3742 case 'B':
3743 /* block device name completion */
599a926a 3744 readline_set_completion_index(mon->rs, strlen(str));
da27a00e
HR		 3745 while ((blk = blk_next(blk)) != NULL) {
3746 name = blk_name(blk);
fea68bb6
MA		 3747 if (str[0] == '\0' ||
3748 !strncmp(name, str, strlen(str))) {
3749 readline_add_completion(mon->rs, name);
3750 }
3751 }
81d0912d 3752 break;
7fe48483 3753 case 's':
129be006 3754 case 'S':
29136cd8 3755 if (!strcmp(cmd->name, "help|?")) {
7ca0e061
WX		 3756 monitor_find_completion_by_table(mon, cmd_table,
3757 &args[1], nb_args - 1);
7fe48483
FB		 3758 }
3759 break;
81d0912d
FB		 3760 default:
3761 break;
3762 }
3763 }
c35b6400
WX		 3764}
3765
c60bf339 3766static void monitor_find_completion(void *opaque,
c35b6400
WX		 3767 const char *cmdline)
3768{
c60bf339 3769 Monitor *mon = opaque;
c35b6400
WX		 3770 char *args[MAX_ARGS];
3771 int nb_args, len;
3772
3773 /* 1. parse the cmdline */
3774 if (parse_cmdline(cmdline, &nb_args, args) < 0) {
3775 return;
3776 }
c35b6400
WX		 3777
3778 /* if the line ends with a space, it means we want to complete the
3779 next arg */
3780 len = strlen(cmdline);
3781 if (len > 0 && qemu_isspace(cmdline[len - 1])) {
3782 if (nb_args >= MAX_ARGS) {
3783 goto cleanup;
3784 }
3785 args[nb_args++] = g_strdup("");
3786 }
3787
3788 /* 2. auto complete according to args */
3789 monitor_find_completion_by_table(mon, mon->cmd_table, args, nb_args);
03a63484
JK		 3790
3791cleanup:
dcc70cdf 3792 free_cmdline_args(args, nb_args);
81d0912d
FB		 3793}
3794
731b0364 3795static int monitor_can_read(void *opaque)
9dc39cba 3796{
731b0364
AL		 3797 Monitor *mon = opaque;
3798
c62313bb 3799 return (mon->suspend_cnt == 0) ? 1 : 0;
9dc39cba
FB		 3800}
3801
95385fe9 3802static void handle_qmp_command(JSONMessageParser *parser, GQueue *tokens)
5fa737a4 3803{
5c678ee8
MAL		 3804 QObject *req, *rsp = NULL, *id = NULL;
3805 QDict *qdict = NULL;
5fa737a4 3806 Monitor *mon = cur_mon;
5c678ee8 3807 Error *err = NULL;
5fa737a4 3808
5c678ee8 3809 req = json_parser_parse_err(tokens, NULL, &err);
bbf1028a
MA		 3810 if (!req && !err) {
3811 /* json_parser_parse_err() sucks: can fail without setting @err */
3812 error_setg(&err, QERR_JSON_PARSING);
3813 }
3814 if (err) {
5fa737a4 3815 goto err_out;
5fa737a4
LC		 3816 }
3817
104fc302
MA		 3818 qdict = qobject_to_qdict(req);
3819 if (qdict) {
3820 id = qdict_get(qdict, "id");
3821 qobject_incref(id);
3822 qdict_del(qdict, "id");
3823 } /* else will fail qmp_dispatch() */
5c678ee8 3824
635db18f 3825 rsp = qmp_dispatch(cur_mon->qmp.commands, req);
5fa737a4 3826
635db18f
MA		 3827 if (mon->qmp.commands == &qmp_cap_negotiation_commands) {
3828 qdict = qdict_get_qdict(qobject_to_qdict(rsp), "error");
3829 if (qdict
3830 && !g_strcmp0(qdict_get_try_str(qdict, "class"),
3831 QapiErrorClass_lookup[ERROR_CLASS_COMMAND_NOT_FOUND])) {
3832 /* Provide a more useful error message */
3833 qdict_del(qdict, "desc");
46f5ac20
EB		 3834 qdict_put_str(qdict, "desc", "Expecting capabilities negotiation"
3835 " with 'qmp_capabilities'");
635db18f
MA		 3836 }
3837 }
5fa737a4 3838
5c678ee8
MAL		 3839err_out:
3840 if (err) {
3841 qdict = qdict_new();
3842 qdict_put_obj(qdict, "error", qmp_build_error_object(err));
3843 error_free(err);
3844 rsp = QOBJECT(qdict);
5fa737a4
LC		 3845 }
3846
5c678ee8
MAL		 3847 if (rsp) {
3848 if (id) {
3849 qdict_put_obj(qobject_to_qdict(rsp), "id", id);
3850 id = NULL;
3851 }
5fa737a4 3852
5c678ee8
MAL		 3853 monitor_json_emitter(mon, rsp);
3854 }
3855
3856 qobject_decref(id);
3857 qobject_decref(rsp);
3858 qobject_decref(req);
5fa737a4
LC		 3859}
3860
c83fe23b 3861static void monitor_qmp_read(void *opaque, const uint8_t *buf, int size)
9b57c02e
LC		 3862{
3863 Monitor *old_mon = cur_mon;
3864
3865 cur_mon = opaque;
3866
74358f2a 3867 json_message_parser_feed(&cur_mon->qmp.parser, (const char *) buf, size);
9b57c02e
LC		 3868
3869 cur_mon = old_mon;
3870}
3871
731b0364 3872static void monitor_read(void *opaque, const uint8_t *buf, int size)
9dc39cba 3873{
731b0364 3874 Monitor *old_mon = cur_mon;
7e2515e8 3875 int i;
376253ec 3876
731b0364
AL		 3877 cur_mon = opaque;
3878
cde76ee1
AL		 3879 if (cur_mon->rs) {
3880 for (i = 0; i < size; i++)
3881 readline_handle_byte(cur_mon->rs, buf[i]);
3882 } else {
3883 if (size == 0 || buf[size - 1] != 0)
3884 monitor_printf(cur_mon, "corrupted command\n");
3885 else
7ef6cf63 3886 handle_hmp_command(cur_mon, (char *)buf);
cde76ee1 3887 }
9dc39cba 3888
731b0364
AL		 3889 cur_mon = old_mon;
3890}
d8f44609 3891
c60bf339
SH		 3892static void monitor_command_cb(void *opaque, const char *cmdline,
3893 void *readline_opaque)
aa455485 3894{
c60bf339
SH		 3895 Monitor *mon = opaque;
3896
731b0364 3897 monitor_suspend(mon);
7ef6cf63 3898 handle_hmp_command(mon, cmdline);
731b0364 3899 monitor_resume(mon);
d8f44609
AL		 3900}
3901
cde76ee1 3902int monitor_suspend(Monitor *mon)
d8f44609 3903{
cde76ee1
AL		 3904 if (!mon->rs)
3905 return -ENOTTY;
731b0364 3906 mon->suspend_cnt++;
cde76ee1 3907 return 0;
d8f44609
AL		 3908}
3909
376253ec 3910void monitor_resume(Monitor *mon)
d8f44609 3911{
cde76ee1
AL		 3912 if (!mon->rs)
3913 return;
731b0364
AL		 3914 if (--mon->suspend_cnt == 0)
3915 readline_show_prompt(mon->rs);
aa455485
FB		 3916}
3917
ca9567e2
LC		 3918static QObject *get_qmp_greeting(void)
3919{
b9c15f16 3920 QObject *ver = NULL;
ca9567e2 3921
7fad30f0 3922 qmp_marshal_query_version(NULL, &ver, NULL);
c823501e
MAL		 3923
3924 return qobject_from_jsonf("{'QMP': {'version': %p, 'capabilities': []}}",
3925 ver);
ca9567e2
LC		 3926}
3927
c83fe23b 3928static void monitor_qmp_event(void *opaque, int event)
9b57c02e 3929{
47116d1c
LC		 3930 QObject *data;
3931 Monitor *mon = opaque;
9b57c02e 3932
47116d1c
LC		 3933 switch (event) {
3934 case CHR_EVENT_OPENED:
635db18f 3935 mon->qmp.commands = &qmp_cap_negotiation_commands;
ca9567e2 3936 data = get_qmp_greeting();
9b57c02e
LC		 3937 monitor_json_emitter(mon, data);
3938 qobject_decref(data);
efb87c16 3939 mon_refcount++;
47116d1c
LC		 3940 break;
3941 case CHR_EVENT_CLOSED:
74358f2a
MA		 3942 json_message_parser_destroy(&mon->qmp.parser);
3943 json_message_parser_init(&mon->qmp.parser, handle_qmp_command);
efb87c16
CB		 3944 mon_refcount--;
3945 monitor_fdsets_cleanup();
47116d1c 3946 break;
9b57c02e
LC		 3947 }
3948}
3949
731b0364 3950static void monitor_event(void *opaque, int event)
86e94dea 3951{
376253ec
AL		 3952 Monitor *mon = opaque;
3953
2724b180
AL		 3954 switch (event) {
3955 case CHR_EVENT_MUX_IN:
6cff3e85 3956 qemu_mutex_lock(&mon->out_lock);
a7aec5da 3957 mon->mux_out = 0;
6cff3e85 3958 qemu_mutex_unlock(&mon->out_lock);
a7aec5da
GH		 3959 if (mon->reset_seen) {
3960 readline_restart(mon->rs);
3961 monitor_resume(mon);
3962 monitor_flush(mon);
3963 } else {
3964 mon->suspend_cnt = 0;
3965 }
2724b180
AL		 3966 break;
3967
3968 case CHR_EVENT_MUX_OUT:
a7aec5da
GH		 3969 if (mon->reset_seen) {
3970 if (mon->suspend_cnt == 0) {
3971 monitor_printf(mon, "\n");
3972 }
3973 monitor_flush(mon);
3974 monitor_suspend(mon);
3975 } else {
3976 mon->suspend_cnt++;
3977 }
6cff3e85 3978 qemu_mutex_lock(&mon->out_lock);
a7aec5da 3979 mon->mux_out = 1;
6cff3e85 3980 qemu_mutex_unlock(&mon->out_lock);
2724b180 3981 break;
86e94dea 3982
b6b8df56 3983 case CHR_EVENT_OPENED:
2724b180
AL		 3984 monitor_printf(mon, "QEMU %s monitor - type 'help' for more "
3985 "information\n", QEMU_VERSION);
a7aec5da 3986 if (!mon->mux_out) {
e5554e20 3987 readline_restart(mon->rs);
2724b180 3988 readline_show_prompt(mon->rs);
a7aec5da
GH		 3989 }
3990 mon->reset_seen = 1;
efb87c16
CB		 3991 mon_refcount++;
3992 break;
3993
3994 case CHR_EVENT_CLOSED:
3995 mon_refcount--;
3996 monitor_fdsets_cleanup();
2724b180
AL		 3997 break;
3998 }
86e94dea
TS		 3999}
4000
816f8925
WX		 4001static int
4002compare_mon_cmd(const void *a, const void *b)
4003{
4004 return strcmp(((const mon_cmd_t *)a)->name,
4005 ((const mon_cmd_t *)b)->name);
4006}
4007
4008static void sortcmdlist(void)
4009{
4010 int array_num;
4011 int elem_size = sizeof(mon_cmd_t);
4012
4013 array_num = sizeof(mon_cmds)/elem_size-1;
4014 qsort((void *)mon_cmds, array_num, elem_size, compare_mon_cmd);
4015
4016 array_num = sizeof(info_cmds)/elem_size-1;
4017 qsort((void *)info_cmds, array_num, elem_size, compare_mon_cmd);
4018}
4019
c60bf339
SH		 4020/* These functions just adapt the readline interface in a typesafe way. We
4021 * could cast function pointers but that discards compiler checks.
4022 */
d5d1507b
SW		 4023static void GCC_FMT_ATTR(2, 3) monitor_readline_printf(void *opaque,
4024 const char *fmt, ...)
c60bf339
SH		 4025{
4026 va_list ap;
4027 va_start(ap, fmt);
4028 monitor_vprintf(opaque, fmt, ap);
4029 va_end(ap);
4030}
4031
4032static void monitor_readline_flush(void *opaque)
4033{
4034 monitor_flush(opaque);
4035}
4036
397d30e9
PB		 4037/*
4038 * Print to current monitor if we have one, else to stderr.
4039 * TODO should return int, so callers can calculate width, but that
4040 * requires surgery to monitor_vprintf(). Left for another day.
4041 */
4042void error_vprintf(const char *fmt, va_list ap)
4043{
4044 if (cur_mon && !monitor_cur_is_qmp()) {
4045 monitor_vprintf(cur_mon, fmt, ap);
4046 } else {
4047 vfprintf(stderr, fmt, ap);
4048 }
4049}
4050
4051void error_vprintf_unless_qmp(const char *fmt, va_list ap)
4052{
4053 if (cur_mon && !monitor_cur_is_qmp()) {
4054 monitor_vprintf(cur_mon, fmt, ap);
0d6b50d4
MAL		 4055 } else if (!cur_mon) {
4056 vfprintf(stderr, fmt, ap);
397d30e9
PB		 4057 }
4058}
4059
d622cb58
PB		 4060static void __attribute__((constructor)) monitor_lock_init(void)
4061{
4062 qemu_mutex_init(&monitor_lock);
4063}
4064
0ec7b3e7 4065void monitor_init(Chardev *chr, int flags)
aa455485 4066{
731b0364 4067 static int is_first_init = 1;
87127161 4068 Monitor *mon;
20d8a3ed
TS		 4069
4070 if (is_first_init) {
43a14cfc 4071 monitor_qapi_event_init();
d038317c 4072 sortcmdlist();
20d8a3ed
TS		 4073 is_first_init = 0;
4074 }
87127161 4075
b01fe89e
WX		 4076 mon = g_malloc(sizeof(*mon));
4077 monitor_data_init(mon);
20d8a3ed 4078
32a6ebec 4079 qemu_chr_fe_init(&mon->chr, chr, &error_abort);
731b0364 4080 mon->flags = flags;
cde76ee1 4081 if (flags & MONITOR_USE_READLINE) {
c60bf339
SH		 4082 mon->rs = readline_init(monitor_readline_printf,
4083 monitor_readline_flush,
4084 mon,
4085 monitor_find_completion);
cde76ee1
AL		 4086 monitor_read_command(mon, 0);
4087 }
87127161 4088
9f3982f2 4089 if (monitor_is_qmp(mon)) {
5345fdb4 4090 qemu_chr_fe_set_handlers(&mon->chr, monitor_can_read, monitor_qmp_read,
39ab61c6 4091 monitor_qmp_event, mon, NULL, true);
5345fdb4 4092 qemu_chr_fe_set_echo(&mon->chr, true);
74358f2a 4093 json_message_parser_init(&mon->qmp.parser, handle_qmp_command);
9b57c02e 4094 } else {
5345fdb4 4095 qemu_chr_fe_set_handlers(&mon->chr, monitor_can_read, monitor_read,
39ab61c6 4096 monitor_event, mon, NULL, true);
9b57c02e 4097 }
87127161 4098
d622cb58 4099 qemu_mutex_lock(&monitor_lock);
72cf2d4f 4100 QLIST_INSERT_HEAD(&mon_list, mon, entry);
d622cb58 4101 qemu_mutex_unlock(&monitor_lock);
aa455485
FB		 4102}
4103
2ef45716
MAL		 4104void monitor_cleanup(void)
4105{
4106 Monitor *mon, *next;
4107
4108 qemu_mutex_lock(&monitor_lock);
4109 QLIST_FOREACH_SAFE(mon, &mon_list, entry, next) {
4110 QLIST_REMOVE(mon, entry);
4111 monitor_data_destroy(mon);
4112 g_free(mon);
4113 }
4114 qemu_mutex_unlock(&monitor_lock);
4115}
4116
c60bf339
SH		 4117static void bdrv_password_cb(void *opaque, const char *password,
4118 void *readline_opaque)
81d0912d 4119{
c60bf339
SH		 4120 Monitor *mon = opaque;
4121 BlockDriverState *bs = readline_opaque;
bb5fc20f 4122 int ret = 0;
4d2855a3 4123 Error *local_err = NULL;
81d0912d 4124
4d2855a3
MA		 4125 bdrv_add_key(bs, password, &local_err);
4126 if (local_err) {
193227f9 4127 error_report_err(local_err);
bb5fc20f 4128 ret = -EPERM;
9dc39cba 4129 }
731b0364
AL		 4130 if (mon->password_completion_cb)
4131 mon->password_completion_cb(mon->password_opaque, ret);
bb5fc20f 4132
731b0364 4133 monitor_read_command(mon, 1);
9dc39cba 4134}
c0f4ce77 4135
0bbc47bb 4136int monitor_read_bdrv_key_start(Monitor *mon, BlockDriverState *bs,
097310b5 4137 BlockCompletionFunc *completion_cb,
0bbc47bb 4138 void *opaque)
c0f4ce77 4139{
cde76ee1
AL		 4140 int err;
4141
376253ec
AL		 4142 monitor_printf(mon, "%s (%s) is encrypted.\n", bdrv_get_device_name(bs),
4143 bdrv_get_encrypted_filename(bs));
bb5fc20f 4144
731b0364
AL		 4145 mon->password_completion_cb = completion_cb;
4146 mon->password_opaque = opaque;
bb5fc20f 4147
cde76ee1
AL		 4148 err = monitor_read_password(mon, bdrv_password_cb, bs);
4149
4150 if (err && completion_cb)
4151 completion_cb(opaque, err);
0bbc47bb
LC		 4152
4153 return err;
c0f4ce77 4154}
e42e818b
LC		 4155
4156int monitor_read_block_device_key(Monitor *mon, const char *device,
097310b5 4157 BlockCompletionFunc *completion_cb,
e42e818b
LC		 4158 void *opaque)
4159{
9b14e0ef 4160 Error *err = NULL;
5560625b 4161 BlockBackend *blk;
e42e818b 4162
5560625b
FZ		 4163 blk = blk_by_name(device);
4164 if (!blk) {
e42e818b
LC		 4165 monitor_printf(mon, "Device not found %s\n", device);
4166 return -1;
4167 }
5433c24f
HR		 4168 if (!blk_bs(blk)) {
4169 monitor_printf(mon, "Device '%s' has no medium\n", device);
4170 return -1;
4171 }
e42e818b 4172
9b14e0ef
MA		 4173 bdrv_add_key(blk_bs(blk), NULL, &err);
4174 if (err) {
4175 error_free(err);
4176 return monitor_read_bdrv_key_start(mon, blk_bs(blk), completion_cb, opaque);
4177 }
4178
4179 if (completion_cb) {
4180 completion_cb(opaque, 0);
4181 }
4182 return 0;
e42e818b 4183}
4d454574
PB		 4184
4185QemuOptsList qemu_mon_opts = {
4186 .name = "mon",
4187 .implied_opt_name = "chardev",
4188 .head = QTAILQ_HEAD_INITIALIZER(qemu_mon_opts.head),
4189 .desc = {
4190 {
4191 .name = "mode",
4192 .type = QEMU_OPT_STRING,
4193 },{
4194 .name = "chardev",
4195 .type = QEMU_OPT_STRING,
4196 },{
bdbcb547 4197 .name = "default", /* deprecated */
4d454574
PB		 4198 .type = QEMU_OPT_BOOL,
4199 },{
4200 .name = "pretty",
4201 .type = QEMU_OPT_BOOL,
4202 },
4203 { /* end of list */ }
4204 },
4205};
f2ae8abf
MT		 4206
4207#ifndef TARGET_I386
4208void qmp_rtc_reset_reinjection(Error **errp)
4209{
c6bd8c70 4210 error_setg(errp, QERR_FEATURE_DISABLED, "rtc-reset-reinjection");
f2ae8abf
MT		 4211}
4212#endif
7ee0c3e3
JH		 4213
4214#ifndef TARGET_S390X
4215void qmp_dump_skeys(const char *filename, Error **errp)
4216{
4217 error_setg(errp, QERR_FEATURE_DISABLED, "dump-skeys");
4218}
4219#endif
ae50a770
PX		 4220
4221#ifndef TARGET_ARM
4222GICCapabilityList *qmp_query_gic_capabilities(Error **errp)
4223{
4224 error_setg(errp, QERR_FEATURE_DISABLED, "query-gic-capabilities");
4225 return NULL;
4226}
4227#endif
d4633541
IM		 4228
4229HotpluggableCPUList *qmp_query_hotpluggable_cpus(Error **errp)
4230{
4231 MachineState *ms = MACHINE(qdev_get_machine());
4232 MachineClass *mc = MACHINE_GET_CLASS(ms);
4233
c5514d0e 4234 if (!mc->has_hotpluggable_cpus) {
d4633541
IM		 4235 error_setg(errp, QERR_FEATURE_DISABLED, "query-hotpluggable-cpus");
4236 return NULL;
4237 }
4238
c5514d0e 4239 return machine_query_hotpluggable_cpus(ms);
d4633541 4240}
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