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9dc39cba
FB		 1/*
2 * QEMU monitor
5fafdf24 3 *
9dc39cba 4 * Copyright (c) 2003-2004 Fabrice Bellard
5fafdf24 5 *
9dc39cba
FB		 6 * Permission is hereby granted, free of charge, to any person obtaining a copy
7 * of this software and associated documentation files (the "Software"), to deal
8 * in the Software without restriction, including without limitation the rights
9 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
10 * copies of the Software, and to permit persons to whom the Software is
11 * furnished to do so, subject to the following conditions:
12 *
13 * The above copyright notice and this permission notice shall be included in
14 * all copies or substantial portions of the Software.
15 *
16 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
17 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
18 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
19 * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
20 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
21 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
22 * THE SOFTWARE.
23 */
d38ea87a 24#include "qemu/osdep.h"
511d2b14 25#include <dirent.h>
33c11879
PB		 26#include "qemu-common.h"
27#include "cpu.h"
87ecb68b 28#include "hw/hw.h"
b4a42f81 29#include "monitor/qdev.h"
87ecb68b 30#include "hw/usb.h"
0d09e41a 31#include "hw/i386/pc.h"
a2cb15b0 32#include "hw/pci/pci.h"
0d09e41a 33#include "sysemu/watchdog.h"
45a50b16 34#include "hw/loader.h"
022c62cb 35#include "exec/gdbstub.h"
1422e32d 36#include "net/net.h"
68ac40d2 37#include "net/slirp.h"
dccfcd0e 38#include "sysemu/char.h"
7572150c 39#include "ui/qemu-spice.h"
9c17d615 40#include "sysemu/sysemu.h"
e35704ba 41#include "sysemu/numa.h"
83c9089e 42#include "monitor/monitor.h"
213dcb06 43#include "qemu/config-file.h"
0150cd81 44#include "qemu/readline.h"
28ecbaee 45#include "ui/console.h"
c751a74a 46#include "ui/input.h"
9c17d615 47#include "sysemu/blockdev.h"
da27a00e 48#include "sysemu/block-backend.h"
87ecb68b 49#include "audio/audio.h"
76cad711 50#include "disas/disas.h"
9c17d615 51#include "sysemu/balloon.h"
1de7afc9 52#include "qemu/timer.h"
caf71f86 53#include "migration/migration.h"
b3946626 54#include "sysemu/hw_accel.h"
1de7afc9 55#include "qemu/acl.h"
bdee56f5 56#include "sysemu/tpm.h"
cc7a8ea7 57#include "qapi/qmp/qerror.h"
c7eb39cb 58#include "qapi/qmp/types.h"
7b1b5d19
PB		 59#include "qapi/qmp/qjson.h"
60#include "qapi/qmp/json-streamer.h"
61#include "qapi/qmp/json-parser.h"
a9c94277 62#include "qom/object_interfaces.h"
0ab8ed18 63#include "trace-root.h"
31965ae2 64#include "trace/control.h"
bf957284 65#include "monitor/hmp-target.h"
6d8a764e 66#ifdef CONFIG_TRACE_SIMPLE
31965ae2 67#include "trace/simple.h"
22890ab5 68#endif
022c62cb 69#include "exec/memory.h"
63c91552 70#include "exec/exec-all.h"
03dd024f 71#include "qemu/log.h"
48a32bed
AL		 72#include "qmp-commands.h"
73#include "hmp.h"
1de7afc9 74#include "qemu/thread.h"
b21631f3 75#include "block/qapi.h"
43a14cfc
WX		 76#include "qapi/qmp-event.h"
77#include "qapi-event.h"
39a18158 78#include "qmp-introspect.h"
dc599978 79#include "sysemu/qtest.h"
d2528bdc 80#include "sysemu/cpus.h"
f348b6d1 81#include "qemu/cutils.h"
edcfaefe 82#include "qapi/qmp/dispatch.h"
6a5bd307 83
a4538a5c
JH		 84#if defined(TARGET_S390X)
85#include "hw/s390x/storage-keys.h"
86#endif
87
9307c4c1
FB		 88/*
89 * Supported types:
5fafdf24 90 *
9307c4c1 91 * 'F' filename
81d0912d 92 * 'B' block device name
9307c4c1 93 * 's' string (accept optional quote)
129be006 94 * 'S' it just appends the rest of the string (accept optional quote)
361127df
MA		 95 * 'O' option string of the form NAME=VALUE,...
96 * parsed according to QemuOptsList given by its name
97 * Example: 'device:O' uses qemu_device_opts.
98 * Restriction: only lists with empty desc are supported
99 * TODO lift the restriction
92a31b1f
FB		 100 * 'i' 32 bit integer
101 * 'l' target long (32 or 64 bit)
91162849
LC		 102 * 'M' Non-negative target long (32 or 64 bit), in user mode the
103 * value is multiplied by 2^20 (think Mebibyte)
dbc0c67f 104 * 'o' octets (aka bytes)
5e00984a
KW		 105 * user mode accepts an optional E, e, P, p, T, t, G, g, M, m,
106 * K, k suffix, which multiplies the value by 2^60 for suffixes E
107 * and e, 2^50 for suffixes P and p, 2^40 for suffixes T and t,
108 * 2^30 for suffixes G and g, 2^20 for M and m, 2^10 for K and k
fccfb11e
MA		 109 * 'T' double
110 * user mode accepts an optional ms, us, ns suffix,
111 * which divides the value by 1e3, 1e6, 1e9, respectively
9307c4c1
FB		 112 * '/' optional gdb-like print format (like "/10x")
113 *
fb46660e
LC		 114 * '?' optional type (for all types, except '/')
115 * '.' other form of optional type (for 'i' and 'l')
942cd1f2
MA		 116 * 'b' boolean
117 * user mode accepts "on" or "off"
fb46660e 118 * '-' optional parameter (eg. '-f')
9307c4c1
FB		 119 *
120 */
121
c227f099 122typedef struct mon_cmd_t {
9dc39cba 123 const char *name;
9307c4c1 124 const char *args_type;
9dc39cba
FB		 125 const char *params;
126 const char *help;
2b9e3576
MAL		 127 void (*cmd)(Monitor *mon, const QDict *qdict);
128 /* @sub_table is a list of 2nd level of commands. If it does not exist,
129 * cmd should be used. If it exists, sub_table[?].cmd should be
130 * used, and cmd of 1st level plays the role of help function.
5f3d335f
WX		 131 */
132 struct mon_cmd_t *sub_table;
bfa40f77 133 void (*command_completion)(ReadLineState *rs, int nb_args, const char *str);
c227f099 134} mon_cmd_t;
9dc39cba 135
f07918fd 136/* file descriptors passed via SCM_RIGHTS */
c227f099
AL		 137typedef struct mon_fd_t mon_fd_t;
138struct mon_fd_t {
f07918fd
MM		 139 char *name;
140 int fd;
c227f099 141 QLIST_ENTRY(mon_fd_t) next;
f07918fd
MM		 142};
143
ba1c048a
CB		 144/* file descriptor associated with a file descriptor set */
145typedef struct MonFdsetFd MonFdsetFd;
146struct MonFdsetFd {
147 int fd;
148 bool removed;
149 char *opaque;
150 QLIST_ENTRY(MonFdsetFd) next;
151};
152
153/* file descriptor set containing fds passed via SCM_RIGHTS */
154typedef struct MonFdset MonFdset;
155struct MonFdset {
156 int64_t id;
157 QLIST_HEAD(, MonFdsetFd) fds;
adb696f3 158 QLIST_HEAD(, MonFdsetFd) dup_fds;
ba1c048a
CB		 159 QLIST_ENTRY(MonFdset) next;
160};
161
74358f2a 162typedef struct {
5fa737a4 163 JSONMessageParser parser;
f994b258
MA		 164 /*
165 * When a client connects, we're in capabilities negotiation mode.
166 * When command qmp_capabilities succeeds, we go into command
167 * mode.
168 */
635db18f 169 QmpCommandList *commands;
74358f2a 170} MonitorQMP;
5fa737a4 171
afeecec2
DB		 172/*
173 * To prevent flooding clients, events can be throttled. The
174 * throttling is calculated globally, rather than per-Monitor
175 * instance.
176 */
43a14cfc 177typedef struct MonitorQAPIEventState {
7de0be65
MA		 178 QAPIEvent event; /* Throttling state for this event type and... */
179 QDict *data; /* ... data, see qapi_event_throttle_equal() */
afeecec2 180 QEMUTimer *timer; /* Timer for handling delayed events */
688b4b7d 181 QDict *qdict; /* Delayed event (if any) */
43a14cfc 182} MonitorQAPIEventState;
afeecec2 183
b9b03ab0
MA		 184typedef struct {
185 int64_t rate; /* Minimum time (in ns) between two events */
186} MonitorQAPIEventConf;
187
87127161 188struct Monitor {
32a6ebec 189 CharBackend chr;
a7aec5da 190 int reset_seen;
731b0364
AL		 191 int flags;
192 int suspend_cnt;
48c043d0 193 bool skip_flush;
6cff3e85
PB		 194
195 QemuMutex out_lock;
e1f2641b 196 QString *outbuf;
6cff3e85
PB		 197 guint out_watch;
198
199 /* Read under either BQL or out_lock, written with BQL+out_lock. */
200 int mux_out;
201
731b0364 202 ReadLineState *rs;
74358f2a 203 MonitorQMP qmp;
cb446eca 204 CPUState *mon_cpu;
097310b5 205 BlockCompletionFunc *password_completion_cb;
731b0364 206 void *password_opaque;
7717239d 207 mon_cmd_t *cmd_table;
c227f099 208 QLIST_HEAD(,mon_fd_t) fds;
72cf2d4f 209 QLIST_ENTRY(Monitor) entry;
87127161
AL		 210};
211
2dbc8db0
LC		 212/* QMP checker flags */
213#define QMP_ACCEPT_UNKNOWNS 1
214
d622cb58
PB		 215/* Protects mon_list, monitor_event_state. */
216static QemuMutex monitor_lock;
217
72cf2d4f 218static QLIST_HEAD(mon_list, Monitor) mon_list;
ba1c048a 219static QLIST_HEAD(mon_fdsets, MonFdset) mon_fdsets;
efb87c16 220static int mon_refcount;
7e2515e8 221
816f8925
WX		 222static mon_cmd_t mon_cmds[];
223static mon_cmd_t info_cmds[];
9dc39cba 224
635db18f 225QmpCommandList qmp_commands, qmp_cap_negotiation_commands;
1527badb 226
8631b608 227Monitor *cur_mon;
376253ec 228
dc599978
AG		 229static QEMUClockType event_clock_type = QEMU_CLOCK_REALTIME;
230
c60bf339
SH		 231static void monitor_command_cb(void *opaque, const char *cmdline,
232 void *readline_opaque);
83ab7950 233
9f3982f2
MA		 234/**
235 * Is @mon a QMP monitor?
236 */
237static inline bool monitor_is_qmp(const Monitor *mon)
418173c7
LC		 238{
239 return (mon->flags & MONITOR_USE_CONTROL);
240}
241
489653b5
MA		 242/**
243 * Is the current monitor, if any, a QMP monitor?
244 */
245bool monitor_cur_is_qmp(void)
6620d3ce 246{
9f3982f2 247 return cur_mon && monitor_is_qmp(cur_mon);
6620d3ce
MA		 248}
249
7060b478 250void monitor_read_command(Monitor *mon, int show_prompt)
731b0364 251{
183e6e52
LC		 252 if (!mon->rs)
253 return;
254
731b0364
AL		 255 readline_start(mon->rs, "(qemu) ", 0, monitor_command_cb, NULL);
256 if (show_prompt)
257 readline_show_prompt(mon->rs);
258}
6a00d601 259
7060b478
AL		 260int monitor_read_password(Monitor *mon, ReadLineFunc *readline_func,
261 void *opaque)
bb5fc20f 262{
bcf5d19c 263 if (mon->rs) {
cde76ee1
AL		 264 readline_start(mon->rs, "Password: ", 1, readline_func, opaque);
265 /* prompt is printed on return from the command handler */
266 return 0;
267 } else {
268 monitor_printf(mon, "terminal does not support password prompting\n");
269 return -ENOTTY;
270 }
bb5fc20f
AL		 271}
272
6cff3e85
PB		 273static void monitor_flush_locked(Monitor *mon);
274
f628926b
GH		 275static gboolean monitor_unblocked(GIOChannel *chan, GIOCondition cond,
276 void *opaque)
277{
293d2a00
LE		 278 Monitor *mon = opaque;
279
6cff3e85
PB		 280 qemu_mutex_lock(&mon->out_lock);
281 mon->out_watch = 0;
282 monitor_flush_locked(mon);
283 qemu_mutex_unlock(&mon->out_lock);
f628926b
GH		 284 return FALSE;
285}
286
6cff3e85
PB		 287/* Called with mon->out_lock held. */
288static void monitor_flush_locked(Monitor *mon)
7e2515e8 289{
f628926b 290 int rc;
e1f2641b
LC		 291 size_t len;
292 const char *buf;
293
48c043d0
LC		 294 if (mon->skip_flush) {
295 return;
296 }
297
e1f2641b
LC		 298 buf = qstring_get_str(mon->outbuf);
299 len = qstring_get_length(mon->outbuf);
f628926b 300
a4cc73d6 301 if (len && !mon->mux_out) {
5345fdb4 302 rc = qemu_chr_fe_write(&mon->chr, (const uint8_t *) buf, len);
056f49ff
SP		 303 if ((rc < 0 && errno != EAGAIN) || (rc == len)) {
304 /* all flushed or error */
e1f2641b
LC		 305 QDECREF(mon->outbuf);
306 mon->outbuf = qstring_new();
f628926b
GH		 307 return;
308 }
309 if (rc > 0) {
3b7c78c8 310 /* partial write */
e1f2641b
LC		 311 QString *tmp = qstring_from_str(buf + rc);
312 QDECREF(mon->outbuf);
313 mon->outbuf = tmp;
f628926b 314 }
6cff3e85 315 if (mon->out_watch == 0) {
32a6ebec 316 mon->out_watch =
5345fdb4 317 qemu_chr_fe_add_watch(&mon->chr, G_IO_OUT | G_IO_HUP,
32a6ebec 318 monitor_unblocked, mon);
293d2a00 319 }
7e2515e8
FB		 320 }
321}
322
6cff3e85
PB		 323void monitor_flush(Monitor *mon)
324{
325 qemu_mutex_lock(&mon->out_lock);
326 monitor_flush_locked(mon);
327 qemu_mutex_unlock(&mon->out_lock);
328}
329
e1f2641b 330/* flush at every end of line */
376253ec 331static void monitor_puts(Monitor *mon, const char *str)
7e2515e8 332{
60fe76f3 333 char c;
731b0364 334
6cff3e85 335 qemu_mutex_lock(&mon->out_lock);
7e2515e8
FB		 336 for(;;) {
337 c = *str++;
338 if (c == '\0')
339 break;
e1f2641b
LC		 340 if (c == '\n') {
341 qstring_append_chr(mon->outbuf, '\r');
342 }
343 qstring_append_chr(mon->outbuf, c);
344 if (c == '\n') {
6cff3e85 345 monitor_flush_locked(mon);
e1f2641b 346 }
7e2515e8 347 }
6cff3e85 348 qemu_mutex_unlock(&mon->out_lock);
7e2515e8
FB		 349}
350
376253ec 351void monitor_vprintf(Monitor *mon, const char *fmt, va_list ap)
9dc39cba 352{
e1f2641b 353 char *buf;
b8b08266 354
2daa1191
LC		 355 if (!mon)
356 return;
357
9f3982f2 358 if (monitor_is_qmp(mon)) {
b8b08266 359 return;
4a29a85d 360 }
b8b08266 361
e1f2641b 362 buf = g_strdup_vprintf(fmt, ap);
b8b08266 363 monitor_puts(mon, buf);
e1f2641b 364 g_free(buf);
9dc39cba
FB		 365}
366
376253ec 367void monitor_printf(Monitor *mon, const char *fmt, ...)
9dc39cba 368{
7e2515e8
FB		 369 va_list ap;
370 va_start(ap, fmt);
376253ec 371 monitor_vprintf(mon, fmt, ap);
7e2515e8 372 va_end(ap);
9dc39cba
FB		 373}
374
caf15319 375int monitor_fprintf(FILE *stream, const char *fmt, ...)
7fe48483
FB		 376{
377 va_list ap;
378 va_start(ap, fmt);
376253ec 379 monitor_vprintf((Monitor *)stream, fmt, ap);
7fe48483
FB		 380 va_end(ap);
381 return 0;
382}
383
9b57c02e
LC		 384static void monitor_json_emitter(Monitor *mon, const QObject *data)
385{
386 QString *json;
387
83a27d4d
LC		 388 json = mon->flags & MONITOR_USE_PRETTY ? qobject_to_json_pretty(data) :
389 qobject_to_json(data);
9b57c02e
LC		 390 assert(json != NULL);
391
b8b08266
LC		 392 qstring_append_chr(json, '\n');
393 monitor_puts(mon, qstring_get_str(json));
4a29a85d 394
9b57c02e
LC		 395 QDECREF(json);
396}
397
7fb1cf16 398static MonitorQAPIEventConf monitor_qapi_event_conf[QAPI_EVENT__MAX] = {
b9b03ab0
MA		 399 /* Limit guest-triggerable events to 1 per second */
400 [QAPI_EVENT_RTC_CHANGE] = { 1000 * SCALE_MS },
401 [QAPI_EVENT_WATCHDOG] = { 1000 * SCALE_MS },
402 [QAPI_EVENT_BALLOON_CHANGE] = { 1000 * SCALE_MS },
403 [QAPI_EVENT_QUORUM_REPORT_BAD] = { 1000 * SCALE_MS },
404 [QAPI_EVENT_QUORUM_FAILURE] = { 1000 * SCALE_MS },
405 [QAPI_EVENT_VSERPORT_CHANGE] = { 1000 * SCALE_MS },
406};
407
a24712af 408GHashTable *monitor_qapi_event_state;
afeecec2
DB		 409
410/*
43a14cfc 411 * Emits the event to every monitor instance, @event is only used for trace
d622cb58 412 * Called with monitor_lock held.
afeecec2 413 */
688b4b7d 414static void monitor_qapi_event_emit(QAPIEvent event, QDict *qdict)
afeecec2
DB		 415{
416 Monitor *mon;
417
688b4b7d 418 trace_monitor_protocol_event_emit(event, qdict);
afeecec2 419 QLIST_FOREACH(mon, &mon_list, entry) {
635db18f
MA		 420 if (monitor_is_qmp(mon)
421 && mon->qmp.commands != &qmp_cap_negotiation_commands) {
688b4b7d 422 monitor_json_emitter(mon, QOBJECT(qdict));
afeecec2
DB		 423 }
424 }
425}
426
a24712af
MA		 427static void monitor_qapi_event_handler(void *opaque);
428
afeecec2
DB		 429/*
430 * Queue a new event for emission to Monitor instances,
431 * applying any rate limiting if required.
432 */
433static void
688b4b7d 434monitor_qapi_event_queue(QAPIEvent event, QDict *qdict, Error **errp)
afeecec2 435{
b9b03ab0 436 MonitorQAPIEventConf *evconf;
43a14cfc 437 MonitorQAPIEventState *evstate;
afeecec2 438
7fb1cf16 439 assert(event < QAPI_EVENT__MAX);
b9b03ab0 440 evconf = &monitor_qapi_event_conf[event];
b9b03ab0 441 trace_monitor_protocol_event_queue(event, qdict, evconf->rate);
afeecec2 442
d622cb58 443 qemu_mutex_lock(&monitor_lock);
93f8f982 444
b9b03ab0 445 if (!evconf->rate) {
93f8f982 446 /* Unthrottled event */
688b4b7d 447 monitor_qapi_event_emit(event, qdict);
afeecec2 448 } else {
7de0be65
MA		 449 QDict *data = qobject_to_qdict(qdict_get(qdict, "data"));
450 MonitorQAPIEventState key = { .event = event, .data = data };
a24712af
MA		 451
452 evstate = g_hash_table_lookup(monitor_qapi_event_state, &key);
453 assert(!evstate || timer_pending(evstate->timer));
454
455 if (evstate) {
93f8f982 456 /*
b9b03ab0 457 * Timer is pending for (at least) evconf->rate ns after
93f8f982
MA		 458 * last send. Store event for sending when timer fires,
459 * replacing a prior stored event if any.
afeecec2 460 */
93f8f982 461 QDECREF(evstate->qdict);
688b4b7d
MA		 462 evstate->qdict = qdict;
463 QINCREF(evstate->qdict);
afeecec2 464 } else {
93f8f982 465 /*
b9b03ab0 466 * Last send was (at least) evconf->rate ns ago.
93f8f982 467 * Send immediately, and arm the timer to call
b9b03ab0 468 * monitor_qapi_event_handler() in evconf->rate ns. Any
93f8f982
MA		 469 * events arriving before then will be delayed until then.
470 */
dc599978 471 int64_t now = qemu_clock_get_ns(event_clock_type);
93f8f982 472
688b4b7d 473 monitor_qapi_event_emit(event, qdict);
a24712af
MA		 474
475 evstate = g_new(MonitorQAPIEventState, 1);
476 evstate->event = event;
7de0be65
MA		 477 evstate->data = data;
478 QINCREF(evstate->data);
a24712af 479 evstate->qdict = NULL;
dc599978 480 evstate->timer = timer_new_ns(event_clock_type,
a24712af
MA		 481 monitor_qapi_event_handler,
482 evstate);
483 g_hash_table_add(monitor_qapi_event_state, evstate);
b9b03ab0 484 timer_mod_ns(evstate->timer, now + evconf->rate);
afeecec2
DB		 485 }
486 }
93f8f982 487
d622cb58 488 qemu_mutex_unlock(&monitor_lock);
afeecec2
DB		 489}
490
afeecec2 491/*
b9b03ab0 492 * This function runs evconf->rate ns after sending a throttled
93f8f982
MA		 493 * event.
494 * If another event has since been stored, send it.
afeecec2 495 */
43a14cfc 496static void monitor_qapi_event_handler(void *opaque)
afeecec2 497{
43a14cfc 498 MonitorQAPIEventState *evstate = opaque;
b9b03ab0 499 MonitorQAPIEventConf *evconf = &monitor_qapi_event_conf[evstate->event];
afeecec2 500
93f8f982 501 trace_monitor_protocol_event_handler(evstate->event, evstate->qdict);
d622cb58 502 qemu_mutex_lock(&monitor_lock);
93f8f982 503
688b4b7d 504 if (evstate->qdict) {
dc599978 505 int64_t now = qemu_clock_get_ns(event_clock_type);
93f8f982 506
688b4b7d
MA		 507 monitor_qapi_event_emit(evstate->event, evstate->qdict);
508 QDECREF(evstate->qdict);
509 evstate->qdict = NULL;
b9b03ab0 510 timer_mod_ns(evstate->timer, now + evconf->rate);
a24712af
MA		 511 } else {
512 g_hash_table_remove(monitor_qapi_event_state, evstate);
7de0be65 513 QDECREF(evstate->data);
a24712af
MA		 514 timer_free(evstate->timer);
515 g_free(evstate);
afeecec2 516 }
93f8f982 517
d622cb58 518 qemu_mutex_unlock(&monitor_lock);
afeecec2
DB		 519}
520
a24712af 521static unsigned int qapi_event_throttle_hash(const void *key)
afeecec2 522{
a24712af 523 const MonitorQAPIEventState *evstate = key;
7de0be65 524 unsigned int hash = evstate->event * 255;
afeecec2 525
7de0be65
MA		 526 if (evstate->event == QAPI_EVENT_VSERPORT_CHANGE) {
527 hash += g_str_hash(qdict_get_str(evstate->data, "id"));
528 }
529
6d425eb9
AG		 530 if (evstate->event == QAPI_EVENT_QUORUM_REPORT_BAD) {
531 hash += g_str_hash(qdict_get_str(evstate->data, "node-name"));
532 }
533
7de0be65 534 return hash;
a24712af 535}
0d1ea871 536
a24712af
MA		 537static gboolean qapi_event_throttle_equal(const void *a, const void *b)
538{
539 const MonitorQAPIEventState *eva = a;
540 const MonitorQAPIEventState *evb = b;
541
7de0be65
MA		 542 if (eva->event != evb->event) {
543 return FALSE;
544 }
545
546 if (eva->event == QAPI_EVENT_VSERPORT_CHANGE) {
547 return !strcmp(qdict_get_str(eva->data, "id"),
548 qdict_get_str(evb->data, "id"));
549 }
550
6d425eb9
AG		 551 if (eva->event == QAPI_EVENT_QUORUM_REPORT_BAD) {
552 return !strcmp(qdict_get_str(eva->data, "node-name"),
553 qdict_get_str(evb->data, "node-name"));
554 }
555
7de0be65 556 return TRUE;
a24712af
MA		 557}
558
559static void monitor_qapi_event_init(void)
560{
dc599978
AG		 561 if (qtest_enabled()) {
562 event_clock_type = QEMU_CLOCK_VIRTUAL;
563 }
564
a24712af
MA		 565 monitor_qapi_event_state = g_hash_table_new(qapi_event_throttle_hash,
566 qapi_event_throttle_equal);
43a14cfc 567 qmp_event_set_func_emit(monitor_qapi_event_queue);
0d1ea871
LC		 568}
569
7ef6cf63 570static void handle_hmp_command(Monitor *mon, const char *cmdline);
0268d97c 571
b01fe89e
WX		 572static void monitor_data_init(Monitor *mon)
573{
574 memset(mon, 0, sizeof(Monitor));
6cff3e85 575 qemu_mutex_init(&mon->out_lock);
b01fe89e 576 mon->outbuf = qstring_new();
7717239d
WX		 577 /* Use *mon_cmds by default. */
578 mon->cmd_table = mon_cmds;
b01fe89e
WX		 579}
580
581static void monitor_data_destroy(Monitor *mon)
582{
c39860e6 583 qemu_chr_fe_deinit(&mon->chr);
2ef45716
MAL		 584 if (monitor_is_qmp(mon)) {
585 json_message_parser_destroy(&mon->qmp.parser);
586 }
587 g_free(mon->rs);
b01fe89e 588 QDECREF(mon->outbuf);
6cff3e85 589 qemu_mutex_destroy(&mon->out_lock);
b01fe89e
WX		 590}
591
d51a67b4
LC		 592char *qmp_human_monitor_command(const char *command_line, bool has_cpu_index,
593 int64_t cpu_index, Error **errp)
0268d97c 594{
d51a67b4 595 char *output = NULL;
0268d97c 596 Monitor *old_mon, hmp;
0268d97c 597
b01fe89e 598 monitor_data_init(&hmp);
48c043d0 599 hmp.skip_flush = true;
0268d97c
LC		 600
601 old_mon = cur_mon;
602 cur_mon = &hmp;
603
d51a67b4
LC		 604 if (has_cpu_index) {
605 int ret = monitor_set_cpu(cpu_index);
0268d97c
LC		 606 if (ret < 0) {
607 cur_mon = old_mon;
c6bd8c70
MA		 608 error_setg(errp, QERR_INVALID_PARAMETER_VALUE, "cpu-index",
609 "a CPU number");
0268d97c
LC		 610 goto out;
611 }
612 }
613
7ef6cf63 614 handle_hmp_command(&hmp, command_line);
0268d97c
LC		 615 cur_mon = old_mon;
616
6cff3e85 617 qemu_mutex_lock(&hmp.out_lock);
48c043d0
LC		 618 if (qstring_get_length(hmp.outbuf) > 0) {
619 output = g_strdup(qstring_get_str(hmp.outbuf));
d51a67b4
LC		 620 } else {
621 output = g_strdup("");
0268d97c 622 }
6cff3e85 623 qemu_mutex_unlock(&hmp.out_lock);
0268d97c
LC		 624
625out:
b01fe89e 626 monitor_data_destroy(&hmp);
d51a67b4 627 return output;
0268d97c
LC		 628}
629
9dc39cba
FB		 630static int compare_cmd(const char *name, const char *list)
631{
632 const char *p, *pstart;
633 int len;
634 len = strlen(name);
635 p = list;
636 for(;;) {
637 pstart = p;
638 p = strchr(p, '|');
639 if (!p)
640 p = pstart + strlen(pstart);
641 if ((p - pstart) == len && !memcmp(pstart, name, len))
642 return 1;
643 if (*p == '\0')
644 break;
645 p++;
646 }
647 return 0;
648}
649
f5438c05
WX		 650static int get_str(char *buf, int buf_size, const char **pp)
651{
652 const char *p;
653 char *q;
654 int c;
655
656 q = buf;
657 p = *pp;
658 while (qemu_isspace(*p)) {
659 p++;
660 }
661 if (*p == '\0') {
662 fail:
663 *q = '\0';
664 *pp = p;
665 return -1;
666 }
667 if (*p == '\"') {
668 p++;
669 while (*p != '\0' && *p != '\"') {
670 if (*p == '\\') {
671 p++;
672 c = *p++;
673 switch (c) {
674 case 'n':
675 c = '\n';
676 break;
677 case 'r':
678 c = '\r';
679 break;
680 case '\\':
681 case '\'':
682 case '\"':
683 break;
684 default:
71baf787 685 printf("unsupported escape code: '\\%c'\n", c);
f5438c05
WX		 686 goto fail;
687 }
688 if ((q - buf) < buf_size - 1) {
689 *q++ = c;
690 }
691 } else {
692 if ((q - buf) < buf_size - 1) {
693 *q++ = *p;
694 }
695 p++;
696 }
697 }
698 if (*p != '\"') {
71baf787 699 printf("unterminated string\n");
f5438c05
WX		 700 goto fail;
701 }
702 p++;
703 } else {
704 while (*p != '\0' && !qemu_isspace(*p)) {
705 if ((q - buf) < buf_size - 1) {
706 *q++ = *p;
707 }
708 p++;
709 }
710 }
711 *q = '\0';
712 *pp = p;
713 return 0;
714}
715
716#define MAX_ARGS 16
717
dcc70cdf
WX		 718static void free_cmdline_args(char **args, int nb_args)
719{
720 int i;
721
722 assert(nb_args <= MAX_ARGS);
723
724 for (i = 0; i < nb_args; i++) {
725 g_free(args[i]);
726 }
727
728}
729
730/*
731 * Parse the command line to get valid args.
732 * @cmdline: command line to be parsed.
733 * @pnb_args: location to store the number of args, must NOT be NULL.
734 * @args: location to store the args, which should be freed by caller, must
735 * NOT be NULL.
736 *
737 * Returns 0 on success, negative on failure.
738 *
739 * NOTE: this parser is an approximate form of the real command parser. Number
740 * of args have a limit of MAX_ARGS. If cmdline contains more, it will
741 * return with failure.
742 */
743static int parse_cmdline(const char *cmdline,
744 int *pnb_args, char **args)
f5438c05
WX		 745{
746 const char *p;
747 int nb_args, ret;
748 char buf[1024];
749
750 p = cmdline;
751 nb_args = 0;
752 for (;;) {
753 while (qemu_isspace(*p)) {
754 p++;
755 }
756 if (*p == '\0') {
757 break;
758 }
759 if (nb_args >= MAX_ARGS) {
dcc70cdf 760 goto fail;
f5438c05
WX		 761 }
762 ret = get_str(buf, sizeof(buf), &p);
f5438c05 763 if (ret < 0) {
dcc70cdf 764 goto fail;
f5438c05 765 }
dcc70cdf
WX		 766 args[nb_args] = g_strdup(buf);
767 nb_args++;
f5438c05
WX		 768 }
769 *pnb_args = nb_args;
dcc70cdf
WX		 770 return 0;
771
772 fail:
773 free_cmdline_args(args, nb_args);
774 return -1;
f5438c05
WX		 775}
776
66855495
WX		 777static void help_cmd_dump_one(Monitor *mon,
778 const mon_cmd_t *cmd,
779 char **prefix_args,
780 int prefix_args_nb)
781{
782 int i;
783
784 for (i = 0; i < prefix_args_nb; i++) {
785 monitor_printf(mon, "%s ", prefix_args[i]);
786 }
787 monitor_printf(mon, "%s %s -- %s\n", cmd->name, cmd->params, cmd->help);
788}
789
790/* @args[@arg_index] is the valid command need to find in @cmds */
c227f099 791static void help_cmd_dump(Monitor *mon, const mon_cmd_t *cmds,
66855495 792 char **args, int nb_args, int arg_index)
9dc39cba 793{
c227f099 794 const mon_cmd_t *cmd;
9dc39cba 795
66855495
WX		 796 /* No valid arg need to compare with, dump all in *cmds */
797 if (arg_index >= nb_args) {
798 for (cmd = cmds; cmd->name != NULL; cmd++) {
799 help_cmd_dump_one(mon, cmd, args, arg_index);
800 }
801 return;
802 }
803
804 /* Find one entry to dump */
805 for (cmd = cmds; cmd->name != NULL; cmd++) {
806 if (compare_cmd(args[arg_index], cmd->name)) {
807 if (cmd->sub_table) {
808 /* continue with next arg */
809 help_cmd_dump(mon, cmd->sub_table,
810 args, nb_args, arg_index + 1);
811 } else {
812 help_cmd_dump_one(mon, cmd, args, arg_index);
813 }
814 break;
815 }
9dc39cba
FB		 816 }
817}
818
376253ec 819static void help_cmd(Monitor *mon, const char *name)
9dc39cba 820{
66855495
WX		 821 char *args[MAX_ARGS];
822 int nb_args = 0;
823
824 /* 1. parse user input */
825 if (name) {
826 /* special case for log, directly dump and return */
827 if (!strcmp(name, "log")) {
38dad9e5 828 const QEMULogItem *item;
376253ec
AL		 829 monitor_printf(mon, "Log items (comma separated):\n");
830 monitor_printf(mon, "%-10s %s\n", "none", "remove all logs");
38dad9e5 831 for (item = qemu_log_items; item->mask != 0; item++) {
376253ec 832 monitor_printf(mon, "%-10s %s\n", item->name, item->help);
f193c797 833 }
66855495
WX		 834 return;
835 }
836
837 if (parse_cmdline(name, &nb_args, args) < 0) {
838 return;
f193c797 839 }
9dc39cba 840 }
66855495
WX		 841
842 /* 2. dump the contents according to parsed args */
843 help_cmd_dump(mon, mon->cmd_table, args, nb_args, 0);
844
845 free_cmdline_args(args, nb_args);
9dc39cba
FB		 846}
847
d54908a5 848static void do_help_cmd(Monitor *mon, const QDict *qdict)
38183186 849{
d54908a5 850 help_cmd(mon, qdict_get_try_str(qdict, "name"));
38183186
LC		 851}
852
3e5a50d6 853static void hmp_trace_event(Monitor *mon, const QDict *qdict)
22890ab5
PS		 854{
855 const char *tp_name = qdict_get_str(qdict, "name");
856 bool new_state = qdict_get_bool(qdict, "option");
77e2b172
LV		 857 bool has_vcpu = qdict_haskey(qdict, "vcpu");
858 int vcpu = qdict_get_try_int(qdict, "vcpu", 0);
14101d02 859 Error *local_err = NULL;
f871d689 860
77e2b172
LV		 861 if (vcpu < 0) {
862 monitor_printf(mon, "argument vcpu must be positive");
863 return;
864 }
865
866 qmp_trace_event_set_state(tp_name, new_state, true, true, has_vcpu, vcpu, &local_err);
14101d02 867 if (local_err) {
091e38b7 868 error_report_err(local_err);
f871d689 869 }
22890ab5 870}
c5ceb523 871
c45a8168 872#ifdef CONFIG_TRACE_SIMPLE
3e5a50d6 873static void hmp_trace_file(Monitor *mon, const QDict *qdict)
c5ceb523
SH		 874{
875 const char *op = qdict_get_try_str(qdict, "op");
876 const char *arg = qdict_get_try_str(qdict, "arg");
877
878 if (!op) {
879 st_print_trace_file_status((FILE *)mon, &monitor_fprintf);
880 } else if (!strcmp(op, "on")) {
881 st_set_trace_file_enabled(true);
882 } else if (!strcmp(op, "off")) {
883 st_set_trace_file_enabled(false);
884 } else if (!strcmp(op, "flush")) {
885 st_flush_trace_buffer();
886 } else if (!strcmp(op, "set")) {
887 if (arg) {
888 st_set_trace_file(arg);
889 }
890 } else {
891 monitor_printf(mon, "unexpected argument \"%s\"\n", op);
892 help_cmd(mon, "trace-file");
893 }
894}
22890ab5
PS		 895#endif
896
3e5a50d6 897static void hmp_info_help(Monitor *mon, const QDict *qdict)
9dc39cba 898{
13c7425e 899 help_cmd(mon, "info");
9dc39cba
FB		 900}
901
9e812b6a 902static void query_commands_cb(QmpCommand *cmd, void *opaque)
e3bba9d0 903{
9e812b6a 904 CommandInfoList *info, **list = opaque;
e3bba9d0 905
9e812b6a
MAL		 906 if (!cmd->enabled) {
907 return;
e3bba9d0
LC		 908 }
909
9e812b6a
MAL		 910 info = g_malloc0(sizeof(*info));
911 info->value = g_malloc0(sizeof(*info->value));
912 info->value->name = g_strdup(cmd->name);
913 info->next = *list;
914 *list = info;
915}
916
917CommandInfoList *qmp_query_commands(Error **errp)
918{
919 CommandInfoList *list = NULL;
920
635db18f 921 qmp_for_each_command(cur_mon->qmp.commands, query_commands_cb, &list);
9e812b6a
MAL		 922
923 return list;
a36e69dd
TS		 924}
925
4860853d
DB		 926EventInfoList *qmp_query_events(Error **errp)
927{
928 EventInfoList *info, *ev_list = NULL;
75175173 929 QAPIEvent e;
4860853d 930
7fb1cf16 931 for (e = 0 ; e < QAPI_EVENT__MAX ; e++) {
75175173 932 const char *event_name = QAPIEvent_lookup[e];
4860853d
DB		 933 assert(event_name != NULL);
934 info = g_malloc0(sizeof(*info));
935 info->value = g_malloc0(sizeof(*info->value));
936 info->value->name = g_strdup(event_name);
937
938 info->next = ev_list;
939 ev_list = info;
940 }
941
942 return ev_list;
943}
944
39a18158
MA		 945/*
946 * Minor hack: generated marshalling suppressed for this command
947 * ('gen': false in the schema) so we can parse the JSON string
948 * directly into QObject instead of first parsing it with
949 * visit_type_SchemaInfoList() into a SchemaInfoList, then marshal it
950 * to QObject with generated output marshallers, every time. Instead,
b3db211f 951 * we do it in test-qobject-input-visitor.c, just to make sure
39a18158
MA		 952 * qapi-introspect.py's output actually conforms to the schema.
953 */
954static void qmp_query_qmp_schema(QDict *qdict, QObject **ret_data,
955 Error **errp)
956{
b0f36b23 957 *ret_data = qobject_from_json(qmp_schema_json, &error_abort);
39a18158
MA		 958}
959
5032a16d 960/*
5032a16d
MAL		 961 * We used to define commands in qmp-commands.hx in addition to the
962 * QAPI schema. This permitted defining some of them only in certain
963 * configurations. query-commands has always reflected that (good,
964 * because it lets QMP clients figure out what's actually available),
965 * while query-qmp-schema never did (not so good). This function is a
966 * hack to keep the configuration-specific commands defined exactly as
967 * before, even though qmp-commands.hx is gone.
968 *
969 * FIXME Educate the QAPI schema on configuration-specific commands,
970 * and drop this hack.
971 */
972static void qmp_unregister_commands_hack(void)
973{
974#ifndef CONFIG_SPICE
1527badb 975 qmp_unregister_command(&qmp_commands, "query-spice");
5032a16d 976#endif
45b3eac7
MA		 977#ifndef CONFIG_REPLICATION
978 qmp_unregister_command(&qmp_commands, "xen-set-replication");
979 qmp_unregister_command(&qmp_commands, "query-xen-replication-status");
980 qmp_unregister_command(&qmp_commands, "xen-colo-do-checkpoint");
981#endif
5032a16d 982#ifndef TARGET_I386
1527badb 983 qmp_unregister_command(&qmp_commands, "rtc-reset-reinjection");
5032a16d
MAL		 984#endif
985#ifndef TARGET_S390X
1527badb 986 qmp_unregister_command(&qmp_commands, "dump-skeys");
5032a16d
MAL		 987#endif
988#ifndef TARGET_ARM
1527badb 989 qmp_unregister_command(&qmp_commands, "query-gic-capabilities");
5032a16d 990#endif
f99fd7ca 991#if !defined(TARGET_S390X) && !defined(TARGET_I386)
1527badb 992 qmp_unregister_command(&qmp_commands, "query-cpu-model-expansion");
f99fd7ca
EH		 993#endif
994#if !defined(TARGET_S390X)
1527badb
MA		 995 qmp_unregister_command(&qmp_commands, "query-cpu-model-baseline");
996 qmp_unregister_command(&qmp_commands, "query-cpu-model-comparison");
728b1429
EH		 997#endif
998#if !defined(TARGET_PPC) && !defined(TARGET_ARM) && !defined(TARGET_I386) \
999 && !defined(TARGET_S390X)
1527badb 1000 qmp_unregister_command(&qmp_commands, "query-cpu-definitions");
728b1429 1001#endif
5032a16d
MAL		 1002}
1003
05875687 1004void monitor_init_qmp_commands(void)
edcfaefe 1005{
635db18f
MA		 1006 /*
1007 * Two command lists:
1008 * - qmp_commands contains all QMP commands
1009 * - qmp_cap_negotiation_commands contains just
1010 * "qmp_capabilities", to enforce capability negotiation
1011 */
1012
1527badb 1013 qmp_init_marshal(&qmp_commands);
05875687 1014
1527badb
MA		 1015 qmp_register_command(&qmp_commands, "query-qmp-schema",
1016 qmp_query_qmp_schema,
edcfaefe 1017 QCO_NO_OPTIONS);
1527badb 1018 qmp_register_command(&qmp_commands, "device_add", qmp_device_add,
edcfaefe 1019 QCO_NO_OPTIONS);
1527badb 1020 qmp_register_command(&qmp_commands, "netdev_add", qmp_netdev_add,
edcfaefe 1021 QCO_NO_OPTIONS);
5032a16d 1022
05875687 1023 qmp_unregister_commands_hack();
635db18f
MA		 1024
1025 QTAILQ_INIT(&qmp_cap_negotiation_commands);
1026 qmp_register_command(&qmp_cap_negotiation_commands, "qmp_capabilities",
1027 qmp_marshal_qmp_capabilities, QCO_NO_OPTIONS);
1028}
1029
1030void qmp_qmp_capabilities(Error **errp)
1031{
1032 if (cur_mon->qmp.commands == &qmp_commands) {
1033 error_set(errp, ERROR_CLASS_COMMAND_NOT_FOUND,
1034 "Capabilities negotiation is already complete, command "
1035 "ignored");
1036 return;
1037 }
1038
1039 cur_mon->qmp.commands = &qmp_commands;
edcfaefe
MAL		 1040}
1041
b025c8b4
LC		 1042/* set the current CPU defined by the user */
1043int monitor_set_cpu(int cpu_index)
6a00d601 1044{
55e5c285 1045 CPUState *cpu;
6a00d601 1046
1c8bb3cc
AF		 1047 cpu = qemu_get_cpu(cpu_index);
1048 if (cpu == NULL) {
1049 return -1;
6a00d601 1050 }
cb446eca 1051 cur_mon->mon_cpu = cpu;
1c8bb3cc 1052 return 0;
6a00d601
FB		 1053}
1054
caf15319 1055CPUState *mon_get_cpu(void)
6a00d601 1056{
731b0364 1057 if (!cur_mon->mon_cpu) {
854e67fe
TH		 1058 if (!first_cpu) {
1059 return NULL;
1060 }
27a83f8e 1061 monitor_set_cpu(first_cpu->cpu_index);
6a00d601 1062 }
4c0960c0 1063 cpu_synchronize_state(cur_mon->mon_cpu);
5bcda5f7
PC		 1064 return cur_mon->mon_cpu;
1065}
1066
bf957284 1067CPUArchState *mon_get_cpu_env(void)
5bcda5f7 1068{
854e67fe
TH		 1069 CPUState *cs = mon_get_cpu();
1070
1071 return cs ? cs->env_ptr : NULL;
6a00d601
FB		 1072}
1073
99b7796f
LC		 1074int monitor_get_cpu_index(void)
1075{
854e67fe
TH		 1076 CPUState *cs = mon_get_cpu();
1077
1078 return cs ? cs->cpu_index : UNASSIGNED_CPU_INDEX;
99b7796f
LC		 1079}
1080
1ce6be24 1081static void hmp_info_registers(Monitor *mon, const QDict *qdict)
9307c4c1 1082{
854e67fe
TH		 1083 CPUState *cs = mon_get_cpu();
1084
1085 if (!cs) {
1086 monitor_printf(mon, "No CPU available\n");
1087 return;
1088 }
1089 cpu_dump_state(cs, (FILE *)mon, monitor_fprintf, CPU_DUMP_FPU);
9307c4c1
FB		 1090}
1091
1ce6be24 1092static void hmp_info_jit(Monitor *mon, const QDict *qdict)
e3db7226 1093{
e8679f5b
TH		 1094 if (!tcg_enabled()) {
1095 error_report("JIT information is only available with accel=tcg");
1096 return;
1097 }
1098
376253ec 1099 dump_exec_info((FILE *)mon, monitor_fprintf);
27498bef 1100 dump_drift_info((FILE *)mon, monitor_fprintf);
e3db7226
FB		 1101}
1102
1ce6be24 1103static void hmp_info_opcount(Monitor *mon, const QDict *qdict)
246ae24d
MF		 1104{
1105 dump_opcount_info((FILE *)mon, monitor_fprintf);
1106}
1107
1ce6be24 1108static void hmp_info_history(Monitor *mon, const QDict *qdict)
aa455485
FB		 1109{
1110 int i;
7e2515e8 1111 const char *str;
3b46e624 1112
cde76ee1
AL		 1113 if (!mon->rs)
1114 return;
7e2515e8
FB		 1115 i = 0;
1116 for(;;) {
731b0364 1117 str = readline_get_history(mon->rs, i);
7e2515e8
FB		 1118 if (!str)
1119 break;
376253ec 1120 monitor_printf(mon, "%d: '%s'\n", i, str);
8e3a9fd2 1121 i++;
aa455485
FB		 1122 }
1123}
1124
1ce6be24 1125static void hmp_info_cpustats(Monitor *mon, const QDict *qdict)
76a66253 1126{
854e67fe
TH		 1127 CPUState *cs = mon_get_cpu();
1128
1129 if (!cs) {
1130 monitor_printf(mon, "No CPU available\n");
1131 return;
1132 }
1133 cpu_dump_statistics(cs, (FILE *)mon, &monitor_fprintf, 0);
76a66253 1134}
76a66253 1135
1ce6be24 1136static void hmp_info_trace_events(Monitor *mon, const QDict *qdict)
22890ab5 1137{
bd71211d 1138 const char *name = qdict_get_try_str(qdict, "name");
77e2b172
LV		 1139 bool has_vcpu = qdict_haskey(qdict, "vcpu");
1140 int vcpu = qdict_get_try_int(qdict, "vcpu", 0);
bd71211d 1141 TraceEventInfoList *events;
14101d02 1142 TraceEventInfoList *elem;
bd71211d
LV		 1143 Error *local_err = NULL;
1144
1145 if (name == NULL) {
1146 name = "*";
1147 }
77e2b172
LV		 1148 if (vcpu < 0) {
1149 monitor_printf(mon, "argument vcpu must be positive");
1150 return;
1151 }
bd71211d 1152
77e2b172 1153 events = qmp_trace_event_get_state(name, has_vcpu, vcpu, &local_err);
bd71211d
LV		 1154 if (local_err) {
1155 error_report_err(local_err);
1156 return;
1157 }
14101d02
LV		 1158
1159 for (elem = events; elem != NULL; elem = elem->next) {
1160 monitor_printf(mon, "%s : state %u\n",
1161 elem->value->name,
1162 elem->value->state == TRACE_EVENT_STATE_ENABLED ? 1 : 0);
1163 }
1164 qapi_free_TraceEventInfoList(events);
22890ab5 1165}
22890ab5 1166
b8a185bc
MA		 1167void qmp_client_migrate_info(const char *protocol, const char *hostname,
1168 bool has_port, int64_t port,
1169 bool has_tls_port, int64_t tls_port,
1170 bool has_cert_subject, const char *cert_subject,
1171 Error **errp)
e866e239 1172{
e866e239 1173 if (strcmp(protocol, "spice") == 0) {
b8a185bc
MA		 1174 if (!qemu_using_spice(errp)) {
1175 return;
e866e239
GH		 1176 }
1177
b8a185bc 1178 if (!has_port && !has_tls_port) {
c6bd8c70 1179 error_setg(errp, QERR_MISSING_PARAMETER, "port/tls-port");
b8a185bc 1180 return;
6ec5dae5
YH		 1181 }
1182
b8a185bc
MA		 1183 if (qemu_spice_migrate_info(hostname,
1184 has_port ? port : -1,
1185 has_tls_port ? tls_port : -1,
1186 cert_subject)) {
c6bd8c70 1187 error_setg(errp, QERR_UNDEFINED_ERROR);
b8a185bc 1188 return;
e866e239 1189 }
b8a185bc 1190 return;
e866e239
GH		 1191 }
1192
c6bd8c70 1193 error_setg(errp, QERR_INVALID_PARAMETER_VALUE, "protocol", "spice");
e866e239
GH		 1194}
1195
3e5a50d6 1196static void hmp_logfile(Monitor *mon, const QDict *qdict)
e735b91c 1197{
daa76aa4
MA		 1198 Error *err = NULL;
1199
1200 qemu_set_log_filename(qdict_get_str(qdict, "filename"), &err);
1201 if (err) {
1202 error_report_err(err);
1203 }
e735b91c
PB		 1204}
1205
3e5a50d6 1206static void hmp_log(Monitor *mon, const QDict *qdict)
f193c797
FB		 1207{
1208 int mask;
d54908a5 1209 const char *items = qdict_get_str(qdict, "items");
3b46e624 1210
9307c4c1 1211 if (!strcmp(items, "none")) {
f193c797
FB		 1212 mask = 0;
1213 } else {
4fde1eba 1214 mask = qemu_str_to_log_mask(items);
f193c797 1215 if (!mask) {
376253ec 1216 help_cmd(mon, "log");
f193c797
FB		 1217 return;
1218 }
1219 }
24537a01 1220 qemu_set_log(mask);
f193c797
FB		 1221}
1222
3e5a50d6 1223static void hmp_singlestep(Monitor *mon, const QDict *qdict)
1b530a6d 1224{
d54908a5 1225 const char *option = qdict_get_try_str(qdict, "option");
1b530a6d
AJ		 1226 if (!option || !strcmp(option, "on")) {
1227 singlestep = 1;
1228 } else if (!strcmp(option, "off")) {
1229 singlestep = 0;
1230 } else {
1231 monitor_printf(mon, "unexpected option %s\n", option);
1232 }
1233}
1234
3e5a50d6 1235static void hmp_gdbserver(Monitor *mon, const QDict *qdict)
59030a8c 1236{
d54908a5 1237 const char *device = qdict_get_try_str(qdict, "device");
59030a8c
AL		 1238 if (!device)
1239 device = "tcp::" DEFAULT_GDBSTUB_PORT;
1240 if (gdbserver_start(device) < 0) {
1241 monitor_printf(mon, "Could not open gdbserver on device '%s'\n",
1242 device);
1243 } else if (strcmp(device, "none") == 0) {
36556b20 1244 monitor_printf(mon, "Disabled gdbserver\n");
8a7ddc38 1245 } else {
59030a8c
AL		 1246 monitor_printf(mon, "Waiting for gdb connection on device '%s'\n",
1247 device);
8a7ddc38
FB		 1248 }
1249}
1250
3e5a50d6 1251static void hmp_watchdog_action(Monitor *mon, const QDict *qdict)
9dd986cc 1252{
d54908a5 1253 const char *action = qdict_get_str(qdict, "action");
9dd986cc
RJ		 1254 if (select_watchdog_action(action) == -1) {
1255 monitor_printf(mon, "Unknown watchdog action '%s'\n", action);
1256 }
1257}
1258
376253ec 1259static void monitor_printc(Monitor *mon, int c)
9307c4c1 1260{
376253ec 1261 monitor_printf(mon, "'");
9307c4c1
FB		 1262 switch(c) {
1263 case '\'':
376253ec 1264 monitor_printf(mon, "\\'");
9307c4c1
FB		 1265 break;
1266 case '\\':
376253ec 1267 monitor_printf(mon, "\\\\");
9307c4c1
FB		 1268 break;
1269 case '\n':
376253ec 1270 monitor_printf(mon, "\\n");
9307c4c1
FB		 1271 break;
1272 case '\r':
376253ec 1273 monitor_printf(mon, "\\r");
9307c4c1
FB		 1274 break;
1275 default:
1276 if (c >= 32 && c <= 126) {
376253ec 1277 monitor_printf(mon, "%c", c);
9307c4c1 1278 } else {
376253ec 1279 monitor_printf(mon, "\\x%02x", c);
9307c4c1
FB		 1280 }
1281 break;
1282 }
376253ec 1283 monitor_printf(mon, "'");
9307c4c1
FB		 1284}
1285
376253ec 1286static void memory_dump(Monitor *mon, int count, int format, int wsize,
a8170e5e 1287 hwaddr addr, int is_physical)
9307c4c1 1288{
23842aab 1289 int l, line_size, i, max_digits, len;
9307c4c1
FB		 1290 uint8_t buf[16];
1291 uint64_t v;
854e67fe
TH		 1292 CPUState *cs = mon_get_cpu();
1293
1294 if (!cs && (format == 'i' || !is_physical)) {
1295 monitor_printf(mon, "Can not dump without CPU\n");
1296 return;
1297 }
9307c4c1
FB		 1298
1299 if (format == 'i') {
5bcda5f7 1300 int flags = 0;
9307c4c1 1301#ifdef TARGET_I386
5bcda5f7 1302 CPUArchState *env = mon_get_cpu_env();
4c27ba27 1303 if (wsize == 2) {
9307c4c1 1304 flags = 1;
4c27ba27
FB		 1305 } else if (wsize == 4) {
1306 flags = 0;
1307 } else {
6a15fd12 1308 /* as default we use the current CS size */
4c27ba27 1309 flags = 0;
6a15fd12
FB		 1310 if (env) {
1311#ifdef TARGET_X86_64
5fafdf24 1312 if ((env->efer & MSR_EFER_LMA) &&
6a15fd12
FB		 1313 (env->segs[R_CS].flags & DESC_L_MASK))
1314 flags = 2;
1315 else
1316#endif
1317 if (!(env->segs[R_CS].flags & DESC_B_MASK))
1318 flags = 1;
1319 }
4c27ba27 1320 }
1c38f843
TM		 1321#endif
1322#ifdef TARGET_PPC
5bcda5f7 1323 CPUArchState *env = mon_get_cpu_env();
1c38f843
TM		 1324 flags = msr_le << 16;
1325 flags |= env->bfd_mach;
4c27ba27 1326#endif
854e67fe 1327 monitor_disas(mon, cs, addr, count, is_physical, flags);
9307c4c1
FB		 1328 return;
1329 }
1330
1331 len = wsize * count;
1332 if (wsize == 1)
1333 line_size = 8;
1334 else
1335 line_size = 16;
9307c4c1
FB		 1336 max_digits = 0;
1337
1338 switch(format) {
1339 case 'o':
1340 max_digits = (wsize * 8 + 2) / 3;
1341 break;
1342 default:
1343 case 'x':
1344 max_digits = (wsize * 8) / 4;
1345 break;
1346 case 'u':
1347 case 'd':
1348 max_digits = (wsize * 8 * 10 + 32) / 33;
1349 break;
1350 case 'c':
1351 wsize = 1;
1352 break;
1353 }
1354
1355 while (len > 0) {
7743e588 1356 if (is_physical)
376253ec 1357 monitor_printf(mon, TARGET_FMT_plx ":", addr);
7743e588 1358 else
376253ec 1359 monitor_printf(mon, TARGET_FMT_lx ":", (target_ulong)addr);
9307c4c1
FB		 1360 l = len;
1361 if (l > line_size)
1362 l = line_size;
1363 if (is_physical) {
54f7b4a3 1364 cpu_physical_memory_read(addr, buf, l);
9307c4c1 1365 } else {
854e67fe 1366 if (cpu_memory_rw_debug(cs, addr, buf, l, 0) < 0) {
376253ec 1367 monitor_printf(mon, " Cannot access memory\n");
c8f79b67
AL		 1368 break;
1369 }
9307c4c1 1370 }
5fafdf24 1371 i = 0;
9307c4c1
FB		 1372 while (i < l) {
1373 switch(wsize) {
1374 default:
1375 case 1:
24e60305 1376 v = ldub_p(buf + i);
9307c4c1
FB		 1377 break;
1378 case 2:
24e60305 1379 v = lduw_p(buf + i);
9307c4c1
FB		 1380 break;
1381 case 4:
24e60305 1382 v = (uint32_t)ldl_p(buf + i);
9307c4c1
FB		 1383 break;
1384 case 8:
24e60305 1385 v = ldq_p(buf + i);
9307c4c1
FB		 1386 break;
1387 }
376253ec 1388 monitor_printf(mon, " ");
9307c4c1
FB		 1389 switch(format) {
1390 case 'o':
376253ec 1391 monitor_printf(mon, "%#*" PRIo64, max_digits, v);
9307c4c1
FB		 1392 break;
1393 case 'x':
376253ec 1394 monitor_printf(mon, "0x%0*" PRIx64, max_digits, v);
9307c4c1
FB		 1395 break;
1396 case 'u':
376253ec 1397 monitor_printf(mon, "%*" PRIu64, max_digits, v);
9307c4c1
FB		 1398 break;
1399 case 'd':
376253ec 1400 monitor_printf(mon, "%*" PRId64, max_digits, v);
9307c4c1
FB		 1401 break;
1402 case 'c':
376253ec 1403 monitor_printc(mon, v);
9307c4c1
FB		 1404 break;
1405 }
1406 i += wsize;
1407 }
376253ec 1408 monitor_printf(mon, "\n");
9307c4c1
FB		 1409 addr += l;
1410 len -= l;
1411 }
1412}
1413
3e5a50d6 1414static void hmp_memory_dump(Monitor *mon, const QDict *qdict)
9307c4c1 1415{
1bd1442e
LC		 1416 int count = qdict_get_int(qdict, "count");
1417 int format = qdict_get_int(qdict, "format");
1418 int size = qdict_get_int(qdict, "size");
1419 target_long addr = qdict_get_int(qdict, "addr");
1420
376253ec 1421 memory_dump(mon, count, format, size, addr, 0);
9307c4c1
FB		 1422}
1423
3e5a50d6 1424static void hmp_physical_memory_dump(Monitor *mon, const QDict *qdict)
9307c4c1 1425{
1bd1442e
LC		 1426 int count = qdict_get_int(qdict, "count");
1427 int format = qdict_get_int(qdict, "format");
1428 int size = qdict_get_int(qdict, "size");
a8170e5e 1429 hwaddr addr = qdict_get_int(qdict, "addr");
1bd1442e 1430
376253ec 1431 memory_dump(mon, count, format, size, addr, 1);
9307c4c1
FB		 1432}
1433
1bd1442e 1434static void do_print(Monitor *mon, const QDict *qdict)
9307c4c1 1435{
1bd1442e 1436 int format = qdict_get_int(qdict, "format");
a8170e5e 1437 hwaddr val = qdict_get_int(qdict, "val");
1bd1442e 1438
9307c4c1
FB		 1439 switch(format) {
1440 case 'o':
a8170e5e 1441 monitor_printf(mon, "%#" HWADDR_PRIo, val);
9307c4c1
FB		 1442 break;
1443 case 'x':
a8170e5e 1444 monitor_printf(mon, "%#" HWADDR_PRIx, val);
9307c4c1
FB		 1445 break;
1446 case 'u':
a8170e5e 1447 monitor_printf(mon, "%" HWADDR_PRIu, val);
9307c4c1
FB		 1448 break;
1449 default:
1450 case 'd':
a8170e5e 1451 monitor_printf(mon, "%" HWADDR_PRId, val);
9307c4c1
FB		 1452 break;
1453 case 'c':
376253ec 1454 monitor_printc(mon, val);
9307c4c1
FB		 1455 break;
1456 }
376253ec 1457 monitor_printf(mon, "\n");
9307c4c1
FB		 1458}
1459
3e5a50d6 1460static void hmp_sum(Monitor *mon, const QDict *qdict)
e4cf1adc
FB		 1461{
1462 uint32_t addr;
e4cf1adc 1463 uint16_t sum;
f18c16de
LC		 1464 uint32_t start = qdict_get_int(qdict, "start");
1465 uint32_t size = qdict_get_int(qdict, "size");
e4cf1adc
FB		 1466
1467 sum = 0;
1468 for(addr = start; addr < (start + size); addr++) {
42874d3a
PM		 1469 uint8_t val = address_space_ldub(&address_space_memory, addr,
1470 MEMTXATTRS_UNSPECIFIED, NULL);
e4cf1adc
FB		 1471 /* BSD sum algorithm ('sum' Unix command) */
1472 sum = (sum >> 1) | (sum << 15);
54f7b4a3 1473 sum += val;
e4cf1adc 1474 }
376253ec 1475 monitor_printf(mon, "%05d\n", sum);
e4cf1adc
FB		 1476}
1477
13224a87
FB		 1478static int mouse_button_state;
1479
3e5a50d6 1480static void hmp_mouse_move(Monitor *mon, const QDict *qdict)
13224a87 1481{
c751a74a 1482 int dx, dy, dz, button;
1d4daa91
LC		 1483 const char *dx_str = qdict_get_str(qdict, "dx_str");
1484 const char *dy_str = qdict_get_str(qdict, "dy_str");
1485 const char *dz_str = qdict_get_try_str(qdict, "dz_str");
c751a74a 1486
13224a87
FB		 1487 dx = strtol(dx_str, NULL, 0);
1488 dy = strtol(dy_str, NULL, 0);
c751a74a
GH		 1489 qemu_input_queue_rel(NULL, INPUT_AXIS_X, dx);
1490 qemu_input_queue_rel(NULL, INPUT_AXIS_Y, dy);
1491
1492 if (dz_str) {
13224a87 1493 dz = strtol(dz_str, NULL, 0);
c751a74a 1494 if (dz != 0) {
f22d0af0 1495 button = (dz > 0) ? INPUT_BUTTON_WHEEL_UP : INPUT_BUTTON_WHEEL_DOWN;
c751a74a
GH		 1496 qemu_input_queue_btn(NULL, button, true);
1497 qemu_input_event_sync();
1498 qemu_input_queue_btn(NULL, button, false);
1499 }
1500 }
1501 qemu_input_event_sync();
13224a87
FB		 1502}
1503
3e5a50d6 1504static void hmp_mouse_button(Monitor *mon, const QDict *qdict)
13224a87 1505{
7fb1cf16 1506 static uint32_t bmap[INPUT_BUTTON__MAX] = {
c751a74a
GH		 1507 [INPUT_BUTTON_LEFT] = MOUSE_EVENT_LBUTTON,
1508 [INPUT_BUTTON_MIDDLE] = MOUSE_EVENT_MBUTTON,
1509 [INPUT_BUTTON_RIGHT] = MOUSE_EVENT_RBUTTON,
1510 };
d54908a5 1511 int button_state = qdict_get_int(qdict, "button_state");
c751a74a
GH		 1512
1513 if (mouse_button_state == button_state) {
1514 return;
1515 }
1516 qemu_input_update_buttons(NULL, bmap, mouse_button_state, button_state);
1517 qemu_input_event_sync();
13224a87 1518 mouse_button_state = button_state;
13224a87
FB		 1519}
1520
3e5a50d6 1521static void hmp_ioport_read(Monitor *mon, const QDict *qdict)
3440557b 1522{
aa93e39c
LC		 1523 int size = qdict_get_int(qdict, "size");
1524 int addr = qdict_get_int(qdict, "addr");
1525 int has_index = qdict_haskey(qdict, "index");
3440557b
FB		 1526 uint32_t val;
1527 int suffix;
1528
1529 if (has_index) {
aa93e39c 1530 int index = qdict_get_int(qdict, "index");
afcea8cb 1531 cpu_outb(addr & IOPORTS_MASK, index & 0xff);
3440557b
FB		 1532 addr++;
1533 }
1534 addr &= 0xffff;
1535
1536 switch(size) {
1537 default:
1538 case 1:
afcea8cb 1539 val = cpu_inb(addr);
3440557b
FB		 1540 suffix = 'b';
1541 break;
1542 case 2:
afcea8cb 1543 val = cpu_inw(addr);
3440557b
FB		 1544 suffix = 'w';
1545 break;
1546 case 4:
afcea8cb 1547 val = cpu_inl(addr);
3440557b
FB		 1548 suffix = 'l';
1549 break;
1550 }
376253ec
AL		 1551 monitor_printf(mon, "port%c[0x%04x] = %#0*x\n",
1552 suffix, addr, size * 2, val);
3440557b 1553}
a3a91a35 1554
3e5a50d6 1555static void hmp_ioport_write(Monitor *mon, const QDict *qdict)
f114784f 1556{
1bd1442e
LC		 1557 int size = qdict_get_int(qdict, "size");
1558 int addr = qdict_get_int(qdict, "addr");
1559 int val = qdict_get_int(qdict, "val");
1560
f114784f
JK		 1561 addr &= IOPORTS_MASK;
1562
1563 switch (size) {
1564 default:
1565 case 1:
afcea8cb 1566 cpu_outb(addr, val);
f114784f
JK		 1567 break;
1568 case 2:
afcea8cb 1569 cpu_outw(addr, val);
f114784f
JK		 1570 break;
1571 case 4:
afcea8cb 1572 cpu_outl(addr, val);
f114784f
JK		 1573 break;
1574 }
1575}
1576
3e5a50d6 1577static void hmp_boot_set(Monitor *mon, const QDict *qdict)
0ecdffbb 1578{
f1839938 1579 Error *local_err = NULL;
d54908a5 1580 const char *bootdevice = qdict_get_str(qdict, "bootdevice");
0ecdffbb 1581
f1839938
GA		 1582 qemu_boot_set(bootdevice, &local_err);
1583 if (local_err) {
193227f9 1584 error_report_err(local_err);
0ecdffbb 1585 } else {
f1839938 1586 monitor_printf(mon, "boot device list now set to %s\n", bootdevice);
0ecdffbb
AJ		 1587 }
1588}
1589
1ce6be24 1590static void hmp_info_mtree(Monitor *mon, const QDict *qdict)
314e2987 1591{
57bb40c9
PX		 1592 bool flatview = qdict_get_try_bool(qdict, "flatview", false);
1593
1594 mtree_info((fprintf_function)monitor_printf, mon, flatview);
314e2987
BS		 1595}
1596
1ce6be24 1597static void hmp_info_numa(Monitor *mon, const QDict *qdict)
030ea37b 1598{
b28b6230 1599 int i;
1b1ed8dc 1600 CPUState *cpu;
5b009e40 1601 uint64_t *node_mem;
030ea37b 1602
5b009e40
HZ		 1603 node_mem = g_new0(uint64_t, nb_numa_nodes);
1604 query_numa_node_mem(node_mem);
030ea37b
AL		 1605 monitor_printf(mon, "%d nodes\n", nb_numa_nodes);
1606 for (i = 0; i < nb_numa_nodes; i++) {
1607 monitor_printf(mon, "node %d cpus:", i);
bdc44640 1608 CPU_FOREACH(cpu) {
1b1ed8dc 1609 if (cpu->numa_node == i) {
55e5c285 1610 monitor_printf(mon, " %d", cpu->cpu_index);
030ea37b
AL		 1611 }
1612 }
1613 monitor_printf(mon, "\n");
1614 monitor_printf(mon, "node %d size: %" PRId64 " MB\n", i,
5b009e40 1615 node_mem[i] >> 20);
030ea37b 1616 }
5b009e40 1617 g_free(node_mem);
030ea37b
AL		 1618}
1619
5f1ce948
FB		 1620#ifdef CONFIG_PROFILER
1621
89d5cbdd 1622int64_t tcg_time;
e9a6625e
AJ		 1623int64_t dev_time;
1624
1ce6be24 1625static void hmp_info_profile(Monitor *mon, const QDict *qdict)
5f1ce948 1626{
376253ec 1627 monitor_printf(mon, "async time %" PRId64 " (%0.3f)\n",
73bcb24d 1628 dev_time, dev_time / (double)NANOSECONDS_PER_SECOND);
376253ec 1629 monitor_printf(mon, "qemu time %" PRId64 " (%0.3f)\n",
73bcb24d 1630 tcg_time, tcg_time / (double)NANOSECONDS_PER_SECOND);
89d5cbdd 1631 tcg_time = 0;
5f1ce948 1632 dev_time = 0;
5f1ce948
FB		 1633}
1634#else
1ce6be24 1635static void hmp_info_profile(Monitor *mon, const QDict *qdict)
5f1ce948 1636{
376253ec 1637 monitor_printf(mon, "Internal profiler not compiled\n");
5f1ce948
FB		 1638}
1639#endif
1640
ec36b695 1641/* Capture support */
72cf2d4f 1642static QLIST_HEAD (capture_list_head, CaptureState) capture_head;
ec36b695 1643
1ce6be24 1644static void hmp_info_capture(Monitor *mon, const QDict *qdict)
ec36b695
FB		 1645{
1646 int i;
1647 CaptureState *s;
1648
1649 for (s = capture_head.lh_first, i = 0; s; s = s->entries.le_next, ++i) {
376253ec 1650 monitor_printf(mon, "[%d]: ", i);
ec36b695
FB		 1651 s->ops.info (s->opaque);
1652 }
1653}
1654
3e5a50d6 1655static void hmp_stopcapture(Monitor *mon, const QDict *qdict)
ec36b695
FB		 1656{
1657 int i;
d54908a5 1658 int n = qdict_get_int(qdict, "n");
ec36b695
FB		 1659 CaptureState *s;
1660
1661 for (s = capture_head.lh_first, i = 0; s; s = s->entries.le_next, ++i) {
1662 if (i == n) {
1663 s->ops.destroy (s->opaque);
72cf2d4f 1664 QLIST_REMOVE (s, entries);
7267c094 1665 g_free (s);
ec36b695
FB		 1666 return;
1667 }
1668 }
1669}
1670
3e5a50d6 1671static void hmp_wavcapture(Monitor *mon, const QDict *qdict)
c1925484
LC		 1672{
1673 const char *path = qdict_get_str(qdict, "path");
1674 int has_freq = qdict_haskey(qdict, "freq");
1675 int freq = qdict_get_try_int(qdict, "freq", -1);
1676 int has_bits = qdict_haskey(qdict, "bits");
1677 int bits = qdict_get_try_int(qdict, "bits", -1);
1678 int has_channels = qdict_haskey(qdict, "nchannels");
1679 int nchannels = qdict_get_try_int(qdict, "nchannels", -1);
ec36b695
FB		 1680 CaptureState *s;
1681
7267c094 1682 s = g_malloc0 (sizeof (*s));
ec36b695
FB		 1683
1684 freq = has_freq ? freq : 44100;
1685 bits = has_bits ? bits : 16;
1686 nchannels = has_channels ? nchannels : 2;
1687
1688 if (wav_start_capture (s, path, freq, bits, nchannels)) {
d00b2618 1689 monitor_printf(mon, "Failed to add wave capture\n");
7267c094 1690 g_free (s);
d00b2618 1691 return;
ec36b695 1692 }
72cf2d4f 1693 QLIST_INSERT_HEAD (&capture_head, s, entries);
ec36b695 1694}
ec36b695 1695
15dfcd45 1696static qemu_acl *find_acl(Monitor *mon, const char *name)
76655d6d 1697{
15dfcd45 1698 qemu_acl *acl = qemu_acl_find(name);
76655d6d 1699
76655d6d 1700 if (!acl) {
15dfcd45 1701 monitor_printf(mon, "acl: unknown list '%s'\n", name);
76655d6d 1702 }
15dfcd45
JK		 1703 return acl;
1704}
1705
3e5a50d6 1706static void hmp_acl_show(Monitor *mon, const QDict *qdict)
15dfcd45 1707{
d54908a5 1708 const char *aclname = qdict_get_str(qdict, "aclname");
15dfcd45
JK		 1709 qemu_acl *acl = find_acl(mon, aclname);
1710 qemu_acl_entry *entry;
1711 int i = 0;
76655d6d 1712
15dfcd45 1713 if (acl) {
28a76be8 1714 monitor_printf(mon, "policy: %s\n",
76655d6d 1715 acl->defaultDeny ? "deny" : "allow");
72cf2d4f 1716 QTAILQ_FOREACH(entry, &acl->entries, next) {
28a76be8
AL		 1717 i++;
1718 monitor_printf(mon, "%d: %s %s\n", i,
15dfcd45 1719 entry->deny ? "deny" : "allow", entry->match);
28a76be8 1720 }
15dfcd45
JK		 1721 }
1722}
1723
3e5a50d6 1724static void hmp_acl_reset(Monitor *mon, const QDict *qdict)
15dfcd45 1725{
d54908a5 1726 const char *aclname = qdict_get_str(qdict, "aclname");
15dfcd45
JK		 1727 qemu_acl *acl = find_acl(mon, aclname);
1728
1729 if (acl) {
28a76be8
AL		 1730 qemu_acl_reset(acl);
1731 monitor_printf(mon, "acl: removed all rules\n");
15dfcd45
JK		 1732 }
1733}
1734
3e5a50d6 1735static void hmp_acl_policy(Monitor *mon, const QDict *qdict)
15dfcd45 1736{
f18c16de
LC		 1737 const char *aclname = qdict_get_str(qdict, "aclname");
1738 const char *policy = qdict_get_str(qdict, "policy");
15dfcd45 1739 qemu_acl *acl = find_acl(mon, aclname);
28a76be8 1740
15dfcd45
JK		 1741 if (acl) {
1742 if (strcmp(policy, "allow") == 0) {
28a76be8
AL		 1743 acl->defaultDeny = 0;
1744 monitor_printf(mon, "acl: policy set to 'allow'\n");
15dfcd45 1745 } else if (strcmp(policy, "deny") == 0) {
28a76be8
AL		 1746 acl->defaultDeny = 1;
1747 monitor_printf(mon, "acl: policy set to 'deny'\n");
1748 } else {
15dfcd45
JK		 1749 monitor_printf(mon, "acl: unknown policy '%s', "
1750 "expected 'deny' or 'allow'\n", policy);
28a76be8 1751 }
15dfcd45
JK		 1752 }
1753}
28a76be8 1754
3e5a50d6 1755static void hmp_acl_add(Monitor *mon, const QDict *qdict)
15dfcd45 1756{
1bd1442e
LC		 1757 const char *aclname = qdict_get_str(qdict, "aclname");
1758 const char *match = qdict_get_str(qdict, "match");
1759 const char *policy = qdict_get_str(qdict, "policy");
1760 int has_index = qdict_haskey(qdict, "index");
1761 int index = qdict_get_try_int(qdict, "index", -1);
15dfcd45
JK		 1762 qemu_acl *acl = find_acl(mon, aclname);
1763 int deny, ret;
1764
1765 if (acl) {
1766 if (strcmp(policy, "allow") == 0) {
1767 deny = 0;
1768 } else if (strcmp(policy, "deny") == 0) {
1769 deny = 1;
1770 } else {
1771 monitor_printf(mon, "acl: unknown policy '%s', "
1772 "expected 'deny' or 'allow'\n", policy);
28a76be8
AL		 1773 return;
1774 }
28a76be8
AL		 1775 if (has_index)
1776 ret = qemu_acl_insert(acl, deny, match, index);
1777 else
1778 ret = qemu_acl_append(acl, deny, match);
1779 if (ret < 0)
1780 monitor_printf(mon, "acl: unable to add acl entry\n");
1781 else
1782 monitor_printf(mon, "acl: added rule at position %d\n", ret);
15dfcd45
JK		 1783 }
1784}
28a76be8 1785
3e5a50d6 1786static void hmp_acl_remove(Monitor *mon, const QDict *qdict)
15dfcd45 1787{
f18c16de
LC		 1788 const char *aclname = qdict_get_str(qdict, "aclname");
1789 const char *match = qdict_get_str(qdict, "match");
15dfcd45
JK		 1790 qemu_acl *acl = find_acl(mon, aclname);
1791 int ret;
28a76be8 1792
15dfcd45 1793 if (acl) {
28a76be8
AL		 1794 ret = qemu_acl_remove(acl, match);
1795 if (ret < 0)
1796 monitor_printf(mon, "acl: no matching acl entry\n");
1797 else
1798 monitor_printf(mon, "acl: removed rule at position %d\n", ret);
76655d6d
AL		 1799 }
1800}
1801
208c9d1b 1802void qmp_getfd(const char *fdname, Error **errp)
f07918fd 1803{
c227f099 1804 mon_fd_t *monfd;
f07918fd
MM		 1805 int fd;
1806
5345fdb4 1807 fd = qemu_chr_fe_get_msgfd(&cur_mon->chr);
f07918fd 1808 if (fd == -1) {
c6bd8c70 1809 error_setg(errp, QERR_FD_NOT_SUPPLIED);
208c9d1b 1810 return;
f07918fd
MM		 1811 }
1812
1813 if (qemu_isdigit(fdname[0])) {
0b9f0e2f 1814 close(fd);
c6bd8c70
MA		 1815 error_setg(errp, QERR_INVALID_PARAMETER_VALUE, "fdname",
1816 "a name not starting with a digit");
208c9d1b 1817 return;
f07918fd
MM		 1818 }
1819
208c9d1b 1820 QLIST_FOREACH(monfd, &cur_mon->fds, next) {
f07918fd
MM		 1821 if (strcmp(monfd->name, fdname) != 0) {
1822 continue;
1823 }
1824
1825 close(monfd->fd);
1826 monfd->fd = fd;
208c9d1b 1827 return;
f07918fd
MM		 1828 }
1829
7267c094
AL		 1830 monfd = g_malloc0(sizeof(mon_fd_t));
1831 monfd->name = g_strdup(fdname);
f07918fd
MM		 1832 monfd->fd = fd;
1833
208c9d1b 1834 QLIST_INSERT_HEAD(&cur_mon->fds, monfd, next);
f07918fd
MM		 1835}
1836
208c9d1b 1837void qmp_closefd(const char *fdname, Error **errp)
f07918fd 1838{
c227f099 1839 mon_fd_t *monfd;
f07918fd 1840
208c9d1b 1841 QLIST_FOREACH(monfd, &cur_mon->fds, next) {
f07918fd
MM		 1842 if (strcmp(monfd->name, fdname) != 0) {
1843 continue;
1844 }
1845
72cf2d4f 1846 QLIST_REMOVE(monfd, next);
f07918fd 1847 close(monfd->fd);
7267c094
AL		 1848 g_free(monfd->name);
1849 g_free(monfd);
208c9d1b 1850 return;
f07918fd
MM		 1851 }
1852
c6bd8c70 1853 error_setg(errp, QERR_FD_NOT_FOUND, fdname);
f07918fd
MM		 1854}
1855
3e5a50d6 1856static void hmp_loadvm(Monitor *mon, const QDict *qdict)
c8d41b2c 1857{
1354869c 1858 int saved_vm_running = runstate_is_running();
d54908a5 1859 const char *name = qdict_get_str(qdict, "name");
c8d41b2c 1860
0461d5a6 1861 vm_stop(RUN_STATE_RESTORE_VM);
c8d41b2c 1862
f0aa7a8b 1863 if (load_vmstate(name) == 0 && saved_vm_running) {
c8d41b2c 1864 vm_start();
f0aa7a8b 1865 }
c8d41b2c
JQ		 1866}
1867
a9940fc4 1868int monitor_get_fd(Monitor *mon, const char *fdname, Error **errp)
7768e04c 1869{
c227f099 1870 mon_fd_t *monfd;
7768e04c 1871
72cf2d4f 1872 QLIST_FOREACH(monfd, &mon->fds, next) {
7768e04c
MM		 1873 int fd;
1874
1875 if (strcmp(monfd->name, fdname) != 0) {
1876 continue;
1877 }
1878
1879 fd = monfd->fd;
1880
1881 /* caller takes ownership of fd */
72cf2d4f 1882 QLIST_REMOVE(monfd, next);
7267c094
AL		 1883 g_free(monfd->name);
1884 g_free(monfd);
7768e04c
MM		 1885
1886 return fd;
1887 }
1888
a9940fc4 1889 error_setg(errp, "File descriptor named '%s' has not been found", fdname);
7768e04c
MM		 1890 return -1;
1891}
1892
ba1c048a
CB		 1893static void monitor_fdset_cleanup(MonFdset *mon_fdset)
1894{
1895 MonFdsetFd *mon_fdset_fd;
1896 MonFdsetFd *mon_fdset_fd_next;
1897
1898 QLIST_FOREACH_SAFE(mon_fdset_fd, &mon_fdset->fds, next, mon_fdset_fd_next) {
ebe52b59
CB		 1899 if ((mon_fdset_fd->removed ||
1900 (QLIST_EMPTY(&mon_fdset->dup_fds) && mon_refcount == 0)) &&
1901 runstate_is_running()) {
ba1c048a
CB		 1902 close(mon_fdset_fd->fd);
1903 g_free(mon_fdset_fd->opaque);
1904 QLIST_REMOVE(mon_fdset_fd, next);
1905 g_free(mon_fdset_fd);
1906 }
1907 }
1908
adb696f3 1909 if (QLIST_EMPTY(&mon_fdset->fds) && QLIST_EMPTY(&mon_fdset->dup_fds)) {
ba1c048a
CB		 1910 QLIST_REMOVE(mon_fdset, next);
1911 g_free(mon_fdset);
1912 }
1913}
1914
efb87c16
CB		 1915static void monitor_fdsets_cleanup(void)
1916{
1917 MonFdset *mon_fdset;
1918 MonFdset *mon_fdset_next;
1919
1920 QLIST_FOREACH_SAFE(mon_fdset, &mon_fdsets, next, mon_fdset_next) {
1921 monitor_fdset_cleanup(mon_fdset);
1922 }
1923}
1924
ba1c048a
CB		 1925AddfdInfo *qmp_add_fd(bool has_fdset_id, int64_t fdset_id, bool has_opaque,
1926 const char *opaque, Error **errp)
1927{
1928 int fd;
1929 Monitor *mon = cur_mon;
ba1c048a
CB		 1930 AddfdInfo *fdinfo;
1931
5345fdb4 1932 fd = qemu_chr_fe_get_msgfd(&mon->chr);
ba1c048a 1933 if (fd == -1) {
c6bd8c70 1934 error_setg(errp, QERR_FD_NOT_SUPPLIED);
ba1c048a
CB		 1935 goto error;
1936 }
1937
e446f70d
CB		 1938 fdinfo = monitor_fdset_add_fd(fd, has_fdset_id, fdset_id,
1939 has_opaque, opaque, errp);
1940 if (fdinfo) {
1941 return fdinfo;
ba1c048a 1942 }
ba1c048a
CB		 1943
1944error:
1945 if (fd != -1) {
1946 close(fd);
1947 }
1948 return NULL;
1949}
1950
1951void qmp_remove_fd(int64_t fdset_id, bool has_fd, int64_t fd, Error **errp)
1952{
1953 MonFdset *mon_fdset;
1954 MonFdsetFd *mon_fdset_fd;
1955 char fd_str[60];
1956
1957 QLIST_FOREACH(mon_fdset, &mon_fdsets, next) {
1958 if (mon_fdset->id != fdset_id) {
1959 continue;
1960 }
1961 QLIST_FOREACH(mon_fdset_fd, &mon_fdset->fds, next) {
1962 if (has_fd) {
1963 if (mon_fdset_fd->fd != fd) {
1964 continue;
1965 }
1966 mon_fdset_fd->removed = true;
1967 break;
1968 } else {
1969 mon_fdset_fd->removed = true;
1970 }
1971 }
1972 if (has_fd && !mon_fdset_fd) {
1973 goto error;
1974 }
1975 monitor_fdset_cleanup(mon_fdset);
1976 return;
1977 }
1978
1979error:
1980 if (has_fd) {
1981 snprintf(fd_str, sizeof(fd_str), "fdset-id:%" PRId64 ", fd:%" PRId64,
1982 fdset_id, fd);
1983 } else {
1984 snprintf(fd_str, sizeof(fd_str), "fdset-id:%" PRId64, fdset_id);
1985 }
c6bd8c70 1986 error_setg(errp, QERR_FD_NOT_FOUND, fd_str);
ba1c048a
CB		 1987}
1988
1989FdsetInfoList *qmp_query_fdsets(Error **errp)
1990{
1991 MonFdset *mon_fdset;
1992 MonFdsetFd *mon_fdset_fd;
1993 FdsetInfoList *fdset_list = NULL;
1994
1995 QLIST_FOREACH(mon_fdset, &mon_fdsets, next) {
1996 FdsetInfoList *fdset_info = g_malloc0(sizeof(*fdset_info));
1997 FdsetFdInfoList *fdsetfd_list = NULL;
1998
1999 fdset_info->value = g_malloc0(sizeof(*fdset_info->value));
2000 fdset_info->value->fdset_id = mon_fdset->id;
2001
2002 QLIST_FOREACH(mon_fdset_fd, &mon_fdset->fds, next) {
2003 FdsetFdInfoList *fdsetfd_info;
2004
2005 fdsetfd_info = g_malloc0(sizeof(*fdsetfd_info));
2006 fdsetfd_info->value = g_malloc0(sizeof(*fdsetfd_info->value));
2007 fdsetfd_info->value->fd = mon_fdset_fd->fd;
2008 if (mon_fdset_fd->opaque) {
2009 fdsetfd_info->value->has_opaque = true;
2010 fdsetfd_info->value->opaque = g_strdup(mon_fdset_fd->opaque);
2011 } else {
2012 fdsetfd_info->value->has_opaque = false;
2013 }
2014
2015 fdsetfd_info->next = fdsetfd_list;
2016 fdsetfd_list = fdsetfd_info;
2017 }
2018
2019 fdset_info->value->fds = fdsetfd_list;
2020
2021 fdset_info->next = fdset_list;
2022 fdset_list = fdset_info;
2023 }
2024
2025 return fdset_list;
2026}
2027
e446f70d
CB		 2028AddfdInfo *monitor_fdset_add_fd(int fd, bool has_fdset_id, int64_t fdset_id,
2029 bool has_opaque, const char *opaque,
2030 Error **errp)
2031{
2032 MonFdset *mon_fdset = NULL;
2033 MonFdsetFd *mon_fdset_fd;
2034 AddfdInfo *fdinfo;
2035
2036 if (has_fdset_id) {
2037 QLIST_FOREACH(mon_fdset, &mon_fdsets, next) {
2038 /* Break if match found or match impossible due to ordering by ID */
2039 if (fdset_id <= mon_fdset->id) {
2040 if (fdset_id < mon_fdset->id) {
2041 mon_fdset = NULL;
2042 }
2043 break;
2044 }
2045 }
2046 }
2047
2048 if (mon_fdset == NULL) {
2049 int64_t fdset_id_prev = -1;
2050 MonFdset *mon_fdset_cur = QLIST_FIRST(&mon_fdsets);
2051
2052 if (has_fdset_id) {
2053 if (fdset_id < 0) {
c6bd8c70
MA		 2054 error_setg(errp, QERR_INVALID_PARAMETER_VALUE, "fdset-id",
2055 "a non-negative value");
e446f70d
CB		 2056 return NULL;
2057 }
2058 /* Use specified fdset ID */
2059 QLIST_FOREACH(mon_fdset, &mon_fdsets, next) {
2060 mon_fdset_cur = mon_fdset;
2061 if (fdset_id < mon_fdset_cur->id) {
2062 break;
2063 }
2064 }
2065 } else {
2066 /* Use first available fdset ID */
2067 QLIST_FOREACH(mon_fdset, &mon_fdsets, next) {
2068 mon_fdset_cur = mon_fdset;
2069 if (fdset_id_prev == mon_fdset_cur->id - 1) {
2070 fdset_id_prev = mon_fdset_cur->id;
2071 continue;
2072 }
2073 break;
2074 }
2075 }
2076
2077 mon_fdset = g_malloc0(sizeof(*mon_fdset));
2078 if (has_fdset_id) {
2079 mon_fdset->id = fdset_id;
2080 } else {
2081 mon_fdset->id = fdset_id_prev + 1;
2082 }
2083
2084 /* The fdset list is ordered by fdset ID */
2085 if (!mon_fdset_cur) {
2086 QLIST_INSERT_HEAD(&mon_fdsets, mon_fdset, next);
2087 } else if (mon_fdset->id < mon_fdset_cur->id) {
2088 QLIST_INSERT_BEFORE(mon_fdset_cur, mon_fdset, next);
2089 } else {
2090 QLIST_INSERT_AFTER(mon_fdset_cur, mon_fdset, next);
2091 }
2092 }
2093
2094 mon_fdset_fd = g_malloc0(sizeof(*mon_fdset_fd));
2095 mon_fdset_fd->fd = fd;
2096 mon_fdset_fd->removed = false;
2097 if (has_opaque) {
2098 mon_fdset_fd->opaque = g_strdup(opaque);
2099 }
2100 QLIST_INSERT_HEAD(&mon_fdset->fds, mon_fdset_fd, next);
2101
2102 fdinfo = g_malloc0(sizeof(*fdinfo));
2103 fdinfo->fdset_id = mon_fdset->id;
2104 fdinfo->fd = mon_fdset_fd->fd;
2105
2106 return fdinfo;
2107}
2108
adb696f3
CB		 2109int monitor_fdset_get_fd(int64_t fdset_id, int flags)
2110{
b2dc64c3 2111#ifndef _WIN32
adb696f3
CB		 2112 MonFdset *mon_fdset;
2113 MonFdsetFd *mon_fdset_fd;
2114 int mon_fd_flags;
2115
adb696f3
CB		 2116 QLIST_FOREACH(mon_fdset, &mon_fdsets, next) {
2117 if (mon_fdset->id != fdset_id) {
2118 continue;
2119 }
2120 QLIST_FOREACH(mon_fdset_fd, &mon_fdset->fds, next) {
2121 mon_fd_flags = fcntl(mon_fdset_fd->fd, F_GETFL);
2122 if (mon_fd_flags == -1) {
2123 return -1;
2124 }
2125
2126 if ((flags & O_ACCMODE) == (mon_fd_flags & O_ACCMODE)) {
2127 return mon_fdset_fd->fd;
2128 }
2129 }
2130 errno = EACCES;
2131 return -1;
2132 }
2133#endif
2134
2135 errno = ENOENT;
2136 return -1;
2137}
2138
2139int monitor_fdset_dup_fd_add(int64_t fdset_id, int dup_fd)
2140{
2141 MonFdset *mon_fdset;
2142 MonFdsetFd *mon_fdset_fd_dup;
2143
2144 QLIST_FOREACH(mon_fdset, &mon_fdsets, next) {
2145 if (mon_fdset->id != fdset_id) {
2146 continue;
2147 }
2148 QLIST_FOREACH(mon_fdset_fd_dup, &mon_fdset->dup_fds, next) {
2149 if (mon_fdset_fd_dup->fd == dup_fd) {
2150 return -1;
2151 }
2152 }
2153 mon_fdset_fd_dup = g_malloc0(sizeof(*mon_fdset_fd_dup));
2154 mon_fdset_fd_dup->fd = dup_fd;
2155 QLIST_INSERT_HEAD(&mon_fdset->dup_fds, mon_fdset_fd_dup, next);
2156 return 0;
2157 }
2158 return -1;
2159}
2160
2161static int monitor_fdset_dup_fd_find_remove(int dup_fd, bool remove)
2162{
2163 MonFdset *mon_fdset;
2164 MonFdsetFd *mon_fdset_fd_dup;
2165
2166 QLIST_FOREACH(mon_fdset, &mon_fdsets, next) {
2167 QLIST_FOREACH(mon_fdset_fd_dup, &mon_fdset->dup_fds, next) {
2168 if (mon_fdset_fd_dup->fd == dup_fd) {
2169 if (remove) {
2170 QLIST_REMOVE(mon_fdset_fd_dup, next);
2171 if (QLIST_EMPTY(&mon_fdset->dup_fds)) {
2172 monitor_fdset_cleanup(mon_fdset);
2173 }
b3dd1b8c
MT		 2174 return -1;
2175 } else {
2176 return mon_fdset->id;
adb696f3 2177 }
adb696f3
CB		 2178 }
2179 }
2180 }
2181 return -1;
2182}
2183
2184int monitor_fdset_dup_fd_find(int dup_fd)
2185{
2186 return monitor_fdset_dup_fd_find_remove(dup_fd, false);
2187}
2188
b3dd1b8c 2189void monitor_fdset_dup_fd_remove(int dup_fd)
adb696f3 2190{
b3dd1b8c 2191 monitor_fdset_dup_fd_find_remove(dup_fd, true);
adb696f3
CB		 2192}
2193
1677f4c6 2194int monitor_fd_param(Monitor *mon, const char *fdname, Error **errp)
5906366e
LE		 2195{
2196 int fd;
2197 Error *local_err = NULL;
a96ed02f 2198
5906366e 2199 if (!qemu_isdigit(fdname[0]) && mon) {
a9940fc4 2200 fd = monitor_get_fd(mon, fdname, &local_err);
5906366e
LE		 2201 } else {
2202 fd = qemu_parse_fd(fdname);
a96ed02f 2203 if (fd == -1) {
5906366e
LE		 2204 error_setg(&local_err, "Invalid file descriptor number '%s'",
2205 fdname);
a96ed02f 2206 }
5906366e
LE		 2207 }
2208 if (local_err) {
2209 error_propagate(errp, local_err);
2210 assert(fd == -1);
a96ed02f 2211 } else {
5906366e 2212 assert(fd != -1);
a96ed02f
NB		 2213 }
2214
2215 return fd;
2216}
2217
acd0a093 2218/* Please update hmp-commands.hx when adding or changing commands */
816f8925 2219static mon_cmd_t info_cmds[] = {
da76ee76
PB		 2220#include "hmp-commands-info.h"
2221 { NULL, NULL, },
9dc39cba
FB		 2222};
2223
a13ced59
WX		 2224/* mon_cmds and info_cmds would be sorted at runtime */
2225static mon_cmd_t mon_cmds[] = {
2226#include "hmp-commands.h"
2227 { NULL, NULL, },
2228};
2229
9307c4c1
FB		 2230/*******************************************************************/
2231
2232static const char *pch;
6ab7e546 2233static sigjmp_buf expr_env;
9307c4c1 2234
9307c4c1 2235
9c3175cc
SW		 2236static void GCC_FMT_ATTR(2, 3) QEMU_NORETURN
2237expr_error(Monitor *mon, const char *fmt, ...)
9dc39cba 2238{
277acfe8
FZ		 2239 va_list ap;
2240 va_start(ap, fmt);
2241 monitor_vprintf(mon, fmt, ap);
2242 monitor_printf(mon, "\n");
2243 va_end(ap);
6ab7e546 2244 siglongjmp(expr_env, 1);
9307c4c1
FB		 2245}
2246
09b9418c 2247/* return 0 if OK, -1 if not found */
92a31b1f 2248static int get_monitor_def(target_long *pval, const char *name)
9307c4c1 2249{
bf957284 2250 const MonitorDef *md = target_monitor_defs();
854e67fe 2251 CPUState *cs = mon_get_cpu();
92a31b1f 2252 void *ptr;
0a9516c2
AK		 2253 uint64_t tmp = 0;
2254 int ret;
92a31b1f 2255
854e67fe 2256 if (cs == NULL || md == NULL) {
bf957284
PB		 2257 return -1;
2258 }
2259
2260 for(; md->name != NULL; md++) {
9307c4c1
FB		 2261 if (compare_cmd(name, md->name)) {
2262 if (md->get_value) {
e95c8d51 2263 *pval = md->get_value(md, md->offset);
9307c4c1 2264 } else {
5bcda5f7 2265 CPUArchState *env = mon_get_cpu_env();
6a00d601 2266 ptr = (uint8_t *)env + md->offset;
92a31b1f
FB		 2267 switch(md->type) {
2268 case MD_I32:
2269 *pval = *(int32_t *)ptr;
2270 break;
2271 case MD_TLONG:
2272 *pval = *(target_long *)ptr;
2273 break;
2274 default:
2275 *pval = 0;
2276 break;
2277 }
9307c4c1
FB		 2278 }
2279 return 0;
2280 }
2281 }
0a9516c2 2282
854e67fe 2283 ret = target_get_monitor_def(cs, name, &tmp);
0a9516c2
AK		 2284 if (!ret) {
2285 *pval = (target_long) tmp;
2286 }
2287
2288 return ret;
9307c4c1
FB		 2289}
2290
2291static void next(void)
2292{
660f11be 2293 if (*pch != '\0') {
9307c4c1 2294 pch++;
cd390083 2295 while (qemu_isspace(*pch))
9307c4c1
FB		 2296 pch++;
2297 }
2298}
2299
376253ec 2300static int64_t expr_sum(Monitor *mon);
9307c4c1 2301
376253ec 2302static int64_t expr_unary(Monitor *mon)
9307c4c1 2303{
c2efc95d 2304 int64_t n;
9307c4c1 2305 char *p;
6a00d601 2306 int ret;
9307c4c1
FB		 2307
2308 switch(*pch) {
2309 case '+':
2310 next();
376253ec 2311 n = expr_unary(mon);
9307c4c1
FB		 2312 break;
2313 case '-':
2314 next();
376253ec 2315 n = -expr_unary(mon);
9307c4c1
FB		 2316 break;
2317 case '~':
2318 next();
376253ec 2319 n = ~expr_unary(mon);
9307c4c1
FB		 2320 break;
2321 case '(':
2322 next();
376253ec 2323 n = expr_sum(mon);
9307c4c1 2324 if (*pch != ')') {
376253ec 2325 expr_error(mon, "')' expected");
9307c4c1
FB		 2326 }
2327 next();
2328 break;
81d0912d
FB		 2329 case '\'':
2330 pch++;
2331 if (*pch == '\0')
376253ec 2332 expr_error(mon, "character constant expected");
81d0912d
FB		 2333 n = *pch;
2334 pch++;
2335 if (*pch != '\'')
376253ec 2336 expr_error(mon, "missing terminating \' character");
81d0912d
FB		 2337 next();
2338 break;
9307c4c1
FB		 2339 case '$':
2340 {
2341 char buf[128], *q;
69b34976 2342 target_long reg=0;
3b46e624 2343
9307c4c1
FB		 2344 pch++;
2345 q = buf;
2346 while ((*pch >= 'a' && *pch <= 'z') ||
2347 (*pch >= 'A' && *pch <= 'Z') ||
2348 (*pch >= '0' && *pch <= '9') ||
57206fd4 2349 *pch == '_' || *pch == '.') {
9307c4c1
FB		 2350 if ((q - buf) < sizeof(buf) - 1)
2351 *q++ = *pch;
2352 pch++;
2353 }
cd390083 2354 while (qemu_isspace(*pch))
9307c4c1
FB		 2355 pch++;
2356 *q = 0;
7743e588 2357 ret = get_monitor_def(&reg, buf);
09b9418c 2358 if (ret < 0)
376253ec 2359 expr_error(mon, "unknown register");
7743e588 2360 n = reg;
9307c4c1
FB		 2361 }
2362 break;
2363 case '\0':
376253ec 2364 expr_error(mon, "unexpected end of expression");
9307c4c1
FB		 2365 n = 0;
2366 break;
2367 default:
6b0e33be 2368 errno = 0;
4f4fbf77 2369 n = strtoull(pch, &p, 0);
6b0e33be
LC		 2370 if (errno == ERANGE) {
2371 expr_error(mon, "number too large");
2372 }
9307c4c1 2373 if (pch == p) {
277acfe8 2374 expr_error(mon, "invalid char '%c' in expression", *p);
9307c4c1
FB		 2375 }
2376 pch = p;
cd390083 2377 while (qemu_isspace(*pch))
9307c4c1
FB		 2378 pch++;
2379 break;
2380 }
2381 return n;
2382}
2383
2384
376253ec 2385static int64_t expr_prod(Monitor *mon)
9307c4c1 2386{
c2efc95d 2387 int64_t val, val2;
92a31b1f 2388 int op;
3b46e624 2389
376253ec 2390 val = expr_unary(mon);
9307c4c1
FB		 2391 for(;;) {
2392 op = *pch;
2393 if (op != '*' && op != '/' && op != '%')
2394 break;
2395 next();
376253ec 2396 val2 = expr_unary(mon);
9307c4c1
FB		 2397 switch(op) {
2398 default:
2399 case '*':
2400 val *= val2;
2401 break;
2402 case '/':
2403 case '%':
5fafdf24 2404 if (val2 == 0)
376253ec 2405 expr_error(mon, "division by zero");
9307c4c1
FB		 2406 if (op == '/')
2407 val /= val2;
2408 else
2409 val %= val2;
2410 break;
2411 }
2412 }
2413 return val;
2414}
2415
376253ec 2416static int64_t expr_logic(Monitor *mon)
9307c4c1 2417{
c2efc95d 2418 int64_t val, val2;
92a31b1f 2419 int op;
9307c4c1 2420
376253ec 2421 val = expr_prod(mon);
9307c4c1
FB		 2422 for(;;) {
2423 op = *pch;
2424 if (op != '&' && op != '|' && op != '^')
2425 break;
2426 next();
376253ec 2427 val2 = expr_prod(mon);
9307c4c1
FB		 2428 switch(op) {
2429 default:
2430 case '&':
2431 val &= val2;
2432 break;
2433 case '|':
2434 val |= val2;
2435 break;
2436 case '^':
2437 val ^= val2;
2438 break;
2439 }
2440 }
2441 return val;
2442}
2443
376253ec 2444static int64_t expr_sum(Monitor *mon)
9307c4c1 2445{
c2efc95d 2446 int64_t val, val2;
92a31b1f 2447 int op;
9307c4c1 2448
376253ec 2449 val = expr_logic(mon);
9307c4c1
FB		 2450 for(;;) {
2451 op = *pch;
2452 if (op != '+' && op != '-')
2453 break;
2454 next();
376253ec 2455 val2 = expr_logic(mon);
9307c4c1
FB		 2456 if (op == '+')
2457 val += val2;
2458 else
2459 val -= val2;
2460 }
2461 return val;
2462}
2463
376253ec 2464static int get_expr(Monitor *mon, int64_t *pval, const char **pp)
9307c4c1
FB		 2465{
2466 pch = *pp;
6ab7e546 2467 if (sigsetjmp(expr_env, 0)) {
9307c4c1
FB		 2468 *pp = pch;
2469 return -1;
2470 }
cd390083 2471 while (qemu_isspace(*pch))
9307c4c1 2472 pch++;
376253ec 2473 *pval = expr_sum(mon);
9307c4c1
FB		 2474 *pp = pch;
2475 return 0;
2476}
2477
3350a4dd
MA		 2478static int get_double(Monitor *mon, double *pval, const char **pp)
2479{
2480 const char *p = *pp;
2481 char *tailp;
2482 double d;
2483
2484 d = strtod(p, &tailp);
2485 if (tailp == p) {
2486 monitor_printf(mon, "Number expected\n");
2487 return -1;
2488 }
2489 if (d != d || d - d != 0) {
2490 /* NaN or infinity */
2491 monitor_printf(mon, "Bad number\n");
2492 return -1;
2493 }
2494 *pval = d;
2495 *pp = tailp;
2496 return 0;
2497}
2498
4590fd80
LC		 2499/*
2500 * Store the command-name in cmdname, and return a pointer to
2501 * the remaining of the command string.
2502 */
2503static const char *get_command_name(const char *cmdline,
2504 char *cmdname, size_t nlen)
2505{
2506 size_t len;
2507 const char *p, *pstart;
2508
2509 p = cmdline;
2510 while (qemu_isspace(*p))
2511 p++;
2512 if (*p == '\0')
2513 return NULL;
2514 pstart = p;
2515 while (*p != '\0' && *p != '/' && !qemu_isspace(*p))
2516 p++;
2517 len = p - pstart;
2518 if (len > nlen - 1)
2519 len = nlen - 1;
2520 memcpy(cmdname, pstart, len);
2521 cmdname[len] = '\0';
2522 return p;
2523}
2524
4d76d2ba
LC		 2525/**
2526 * Read key of 'type' into 'key' and return the current
2527 * 'type' pointer.
2528 */
2529static char *key_get_info(const char *type, char **key)
2530{
2531 size_t len;
2532 char *p, *str;
2533
2534 if (*type == ',')
2535 type++;
2536
2537 p = strchr(type, ':');
2538 if (!p) {
2539 *key = NULL;
2540 return NULL;
2541 }
2542 len = p - type;
2543
7267c094 2544 str = g_malloc(len + 1);
4d76d2ba
LC		 2545 memcpy(str, type, len);
2546 str[len] = '\0';
2547
2548 *key = str;
2549 return ++p;
2550}
2551
9307c4c1
FB		 2552static int default_fmt_format = 'x';
2553static int default_fmt_size = 4;
2554
fbc3d96c
LS		 2555static int is_valid_option(const char *c, const char *typestr)
2556{
2557 char option[3];
2558
2559 option[0] = '-';
2560 option[1] = *c;
2561 option[2] = '\0';
2562
2563 typestr = strstr(typestr, option);
2564 return (typestr != NULL);
2565}
2566
945c5ac8
LC		 2567static const mon_cmd_t *search_dispatch_table(const mon_cmd_t *disp_table,
2568 const char *cmdname)
7fd669a1
LC		 2569{
2570 const mon_cmd_t *cmd;
2571
945c5ac8 2572 for (cmd = disp_table; cmd->name != NULL; cmd++) {
7fd669a1
LC		 2573 if (compare_cmd(cmdname, cmd->name)) {
2574 return cmd;
2575 }
2576 }
2577
2578 return NULL;
2579}
2580
5f3d335f 2581/*
ae50212f
BD		 2582 * Parse command name from @cmdp according to command table @table.
2583 * If blank, return NULL.
2584 * Else, if no valid command can be found, report to @mon, and return
2585 * NULL.
2586 * Else, change @cmdp to point right behind the name, and return its
2587 * command table entry.
2588 * Do not assume the return value points into @table! It doesn't when
2589 * the command is found in a sub-command table.
5f3d335f 2590 */
c227f099 2591static const mon_cmd_t *monitor_parse_command(Monitor *mon,
ae50212f
BD		 2592 const char **cmdp,
2593 mon_cmd_t *table)
9307c4c1 2594{
ae50212f 2595 const char *p;
c227f099 2596 const mon_cmd_t *cmd;
9307c4c1 2597 char cmdname[256];
9dc39cba 2598
9307c4c1 2599 /* extract the command name */
ae50212f 2600 p = get_command_name(*cmdp, cmdname, sizeof(cmdname));
4590fd80 2601 if (!p)
55f81d96 2602 return NULL;
3b46e624 2603
5f3d335f 2604 cmd = search_dispatch_table(table, cmdname);
7fd669a1 2605 if (!cmd) {
5f3d335f 2606 monitor_printf(mon, "unknown command: '%.*s'\n",
ae50212f 2607 (int)(p - *cmdp), *cmdp);
55f81d96 2608 return NULL;
9307c4c1 2609 }
9307c4c1 2610
5f3d335f
WX		 2611 /* filter out following useless space */
2612 while (qemu_isspace(*p)) {
2613 p++;
2614 }
ae50212f
BD		 2615
2616 *cmdp = p;
5f3d335f 2617 /* search sub command */
ae50212f
BD		 2618 if (cmd->sub_table != NULL && *p != '\0') {
2619 return monitor_parse_command(mon, cmdp, cmd->sub_table);
5f3d335f
WX		 2620 }
2621
ae50212f
BD		 2622 return cmd;
2623}
2624
2625/*
2626 * Parse arguments for @cmd.
2627 * If it can't be parsed, report to @mon, and return NULL.
2628 * Else, insert command arguments into a QDict, and return it.
2629 * Note: On success, caller has to free the QDict structure.
2630 */
2631
2632static QDict *monitor_parse_arguments(Monitor *mon,
2633 const char **endp,
2634 const mon_cmd_t *cmd)
2635{
2636 const char *typestr;
2637 char *key;
2638 int c;
2639 const char *p = *endp;
2640 char buf[1024];
2641 QDict *qdict = qdict_new();
2642
9307c4c1
FB		 2643 /* parse the parameters */
2644 typestr = cmd->args_type;
9dc39cba 2645 for(;;) {
4d76d2ba
LC		 2646 typestr = key_get_info(typestr, &key);
2647 if (!typestr)
9dc39cba 2648 break;
4d76d2ba 2649 c = *typestr;
9307c4c1
FB		 2650 typestr++;
2651 switch(c) {
2652 case 'F':
81d0912d 2653 case 'B':
9307c4c1
FB		 2654 case 's':
2655 {
2656 int ret;
3b46e624 2657
cd390083 2658 while (qemu_isspace(*p))
9307c4c1
FB		 2659 p++;
2660 if (*typestr == '?') {
2661 typestr++;
2662 if (*p == '\0') {
2663 /* no optional string: NULL argument */
53773581 2664 break;
9307c4c1
FB		 2665 }
2666 }
2667 ret = get_str(buf, sizeof(buf), &p);
2668 if (ret < 0) {
81d0912d
FB		 2669 switch(c) {
2670 case 'F':
376253ec 2671 monitor_printf(mon, "%s: filename expected\n",
ae50212f 2672 cmd->name);
81d0912d
FB		 2673 break;
2674 case 'B':
376253ec 2675 monitor_printf(mon, "%s: block device name expected\n",
ae50212f 2676 cmd->name);
81d0912d
FB		 2677 break;
2678 default:
ae50212f 2679 monitor_printf(mon, "%s: string expected\n", cmd->name);
81d0912d
FB		 2680 break;
2681 }
9307c4c1
FB		 2682 goto fail;
2683 }
e59084b5 2684 qdict_put_str(qdict, key, buf);
9307c4c1 2685 }
9dc39cba 2686 break;
361127df
MA		 2687 case 'O':
2688 {
2689 QemuOptsList *opts_list;
2690 QemuOpts *opts;
2691
2692 opts_list = qemu_find_opts(key);
2693 if (!opts_list || opts_list->desc->name) {
2694 goto bad_type;
2695 }
2696 while (qemu_isspace(*p)) {
2697 p++;
2698 }
2699 if (!*p)
2700 break;
2701 if (get_str(buf, sizeof(buf), &p) < 0) {
2702 goto fail;
2703 }
70b94331 2704 opts = qemu_opts_parse_noisily(opts_list, buf, true);
361127df
MA		 2705 if (!opts) {
2706 goto fail;
2707 }
2708 qemu_opts_to_qdict(opts, qdict);
2709 qemu_opts_del(opts);
2710 }
2711 break;
9307c4c1
FB		 2712 case '/':
2713 {
2714 int count, format, size;
3b46e624 2715
cd390083 2716 while (qemu_isspace(*p))
9307c4c1
FB		 2717 p++;
2718 if (*p == '/') {
2719 /* format found */
2720 p++;
2721 count = 1;
cd390083 2722 if (qemu_isdigit(*p)) {
9307c4c1 2723 count = 0;
cd390083 2724 while (qemu_isdigit(*p)) {
9307c4c1
FB		 2725 count = count * 10 + (*p - '0');
2726 p++;
2727 }
2728 }
2729 size = -1;
2730 format = -1;
2731 for(;;) {
2732 switch(*p) {
2733 case 'o':
2734 case 'd':
2735 case 'u':
2736 case 'x':
2737 case 'i':
2738 case 'c':
2739 format = *p++;
2740 break;
2741 case 'b':
2742 size = 1;
2743 p++;
2744 break;
2745 case 'h':
2746 size = 2;
2747 p++;
2748 break;
2749 case 'w':
2750 size = 4;
2751 p++;
2752 break;
2753 case 'g':
2754 case 'L':
2755 size = 8;
2756 p++;
2757 break;
2758 default:
2759 goto next;
2760 }
2761 }
2762 next:
cd390083 2763 if (*p != '\0' && !qemu_isspace(*p)) {
376253ec
AL		 2764 monitor_printf(mon, "invalid char in format: '%c'\n",
2765 *p);
9307c4c1
FB		 2766 goto fail;
2767 }
9307c4c1
FB		 2768 if (format < 0)
2769 format = default_fmt_format;
4c27ba27
FB		 2770 if (format != 'i') {
2771 /* for 'i', not specifying a size gives -1 as size */
2772 if (size < 0)
2773 size = default_fmt_size;
e90f009b 2774 default_fmt_size = size;
4c27ba27 2775 }
9307c4c1
FB		 2776 default_fmt_format = format;
2777 } else {
2778 count = 1;
2779 format = default_fmt_format;
4c27ba27
FB		 2780 if (format != 'i') {
2781 size = default_fmt_size;
2782 } else {
2783 size = -1;
2784 }
9307c4c1 2785 }
e59084b5
EB		 2786 qdict_put_int(qdict, "count", count);
2787 qdict_put_int(qdict, "format", format);
2788 qdict_put_int(qdict, "size", size);
9307c4c1 2789 }
9dc39cba 2790 break;
9307c4c1 2791 case 'i':
92a31b1f 2792 case 'l':
b6e098d7 2793 case 'M':
9307c4c1 2794 {
c2efc95d 2795 int64_t val;
7743e588 2796
cd390083 2797 while (qemu_isspace(*p))
9307c4c1 2798 p++;
3440557b 2799 if (*typestr == '?' || *typestr == '.') {
3440557b 2800 if (*typestr == '?') {
53773581
LC		 2801 if (*p == '\0') {
2802 typestr++;
2803 break;
2804 }
3440557b
FB		 2805 } else {
2806 if (*p == '.') {
2807 p++;
cd390083 2808 while (qemu_isspace(*p))
3440557b 2809 p++;
3440557b 2810 } else {
53773581
LC		 2811 typestr++;
2812 break;
3440557b
FB		 2813 }
2814 }
13224a87 2815 typestr++;
9307c4c1 2816 }
376253ec 2817 if (get_expr(mon, &val, &p))
9307c4c1 2818 goto fail;
675ebef9
LC		 2819 /* Check if 'i' is greater than 32-bit */
2820 if ((c == 'i') && ((val >> 32) & 0xffffffff)) {
ae50212f 2821 monitor_printf(mon, "\'%s\' has failed: ", cmd->name);
675ebef9
LC		 2822 monitor_printf(mon, "integer is for 32-bit values\n");
2823 goto fail;
b6e098d7 2824 } else if (c == 'M') {
91162849
LC		 2825 if (val < 0) {
2826 monitor_printf(mon, "enter a positive value\n");
2827 goto fail;
2828 }
b6e098d7 2829 val <<= 20;
675ebef9 2830 }
e59084b5 2831 qdict_put_int(qdict, key, val);
9307c4c1
FB		 2832 }
2833 break;
dbc0c67f
JS		 2834 case 'o':
2835 {
f17fd4fd 2836 int ret;
f46bfdbf 2837 uint64_t val;
dbc0c67f
JS		 2838 char *end;
2839
2840 while (qemu_isspace(*p)) {
2841 p++;
2842 }
2843 if (*typestr == '?') {
2844 typestr++;
2845 if (*p == '\0') {
2846 break;
2847 }
2848 }
f17fd4fd 2849 ret = qemu_strtosz_MiB(p, &end, &val);
f46bfdbf 2850 if (ret < 0 || val > INT64_MAX) {
dbc0c67f
JS		 2851 monitor_printf(mon, "invalid size\n");
2852 goto fail;
2853 }
e59084b5 2854 qdict_put_int(qdict, key, val);
dbc0c67f
JS		 2855 p = end;
2856 }
2857 break;
fccfb11e 2858 case 'T':
3350a4dd
MA		 2859 {
2860 double val;
2861
2862 while (qemu_isspace(*p))
2863 p++;
2864 if (*typestr == '?') {
2865 typestr++;
2866 if (*p == '\0') {
2867 break;
2868 }
2869 }
2870 if (get_double(mon, &val, &p) < 0) {
2871 goto fail;
2872 }
07de3e60 2873 if (p[0] && p[1] == 's') {
fccfb11e
MA		 2874 switch (*p) {
2875 case 'm':
2876 val /= 1e3; p += 2; break;
2877 case 'u':
2878 val /= 1e6; p += 2; break;
2879 case 'n':
2880 val /= 1e9; p += 2; break;
2881 }
2882 }
3350a4dd
MA		 2883 if (*p && !qemu_isspace(*p)) {
2884 monitor_printf(mon, "Unknown unit suffix\n");
2885 goto fail;
2886 }
2887 qdict_put(qdict, key, qfloat_from_double(val));
2888 }
2889 break;
942cd1f2
MA		 2890 case 'b':
2891 {
2892 const char *beg;
fc48ffc3 2893 bool val;
942cd1f2
MA		 2894
2895 while (qemu_isspace(*p)) {
2896 p++;
2897 }
2898 beg = p;
2899 while (qemu_isgraph(*p)) {
2900 p++;
2901 }
2902 if (p - beg == 2 && !memcmp(beg, "on", p - beg)) {
fc48ffc3 2903 val = true;
942cd1f2 2904 } else if (p - beg == 3 && !memcmp(beg, "off", p - beg)) {
fc48ffc3 2905 val = false;
942cd1f2
MA		 2906 } else {
2907 monitor_printf(mon, "Expected 'on' or 'off'\n");
2908 goto fail;
2909 }
e59084b5 2910 qdict_put_bool(qdict, key, val);
942cd1f2
MA		 2911 }
2912 break;
9307c4c1
FB		 2913 case '-':
2914 {
fbc3d96c 2915 const char *tmp = p;
eb159d13 2916 int skip_key = 0;
9307c4c1 2917 /* option */
3b46e624 2918
9307c4c1
FB		 2919 c = *typestr++;
2920 if (c == '\0')
2921 goto bad_type;
cd390083 2922 while (qemu_isspace(*p))
9307c4c1 2923 p++;
9307c4c1
FB		 2924 if (*p == '-') {
2925 p++;
fbc3d96c
LS		 2926 if(c != *p) {
2927 if(!is_valid_option(p, typestr)) {
2928
2929 monitor_printf(mon, "%s: unsupported option -%c\n",
ae50212f 2930 cmd->name, *p);
fbc3d96c
LS		 2931 goto fail;
2932 } else {
2933 skip_key = 1;
2934 }
2935 }
2936 if(skip_key) {
2937 p = tmp;
2938 } else {
eb159d13 2939 /* has option */
fbc3d96c 2940 p++;
e59084b5 2941 qdict_put_bool(qdict, key, true);
9307c4c1 2942 }
9307c4c1 2943 }
9307c4c1
FB		 2944 }
2945 break;
129be006
WX		 2946 case 'S':
2947 {
2948 /* package all remaining string */
2949 int len;
2950
2951 while (qemu_isspace(*p)) {
2952 p++;
2953 }
2954 if (*typestr == '?') {
2955 typestr++;
2956 if (*p == '\0') {
2957 /* no remaining string: NULL argument */
2958 break;
2959 }
2960 }
2961 len = strlen(p);
2962 if (len <= 0) {
2963 monitor_printf(mon, "%s: string expected\n",
ae50212f 2964 cmd->name);
e549d2aa 2965 goto fail;
129be006 2966 }
e59084b5 2967 qdict_put_str(qdict, key, p);
129be006
WX		 2968 p += len;
2969 }
2970 break;
9307c4c1
FB		 2971 default:
2972 bad_type:
ae50212f 2973 monitor_printf(mon, "%s: unknown type '%c'\n", cmd->name, c);
9307c4c1
FB		 2974 goto fail;
2975 }
7267c094 2976 g_free(key);
4d76d2ba 2977 key = NULL;
9dc39cba 2978 }
9307c4c1 2979 /* check that all arguments were parsed */
cd390083 2980 while (qemu_isspace(*p))
9307c4c1
FB		 2981 p++;
2982 if (*p != '\0') {
376253ec 2983 monitor_printf(mon, "%s: extraneous characters at the end of line\n",
ae50212f 2984 cmd->name);
9307c4c1 2985 goto fail;
9dc39cba 2986 }
9307c4c1 2987
ae50212f 2988 return qdict;
ac7531ec 2989
55f81d96 2990fail:
ae50212f 2991 QDECREF(qdict);
7267c094 2992 g_free(key);
55f81d96
LC		 2993 return NULL;
2994}
2995
7ef6cf63 2996static void handle_hmp_command(Monitor *mon, const char *cmdline)
55f81d96 2997{
55f81d96 2998 QDict *qdict;
c227f099 2999 const mon_cmd_t *cmd;
55f81d96 3000
ae50212f
BD		 3001 cmd = monitor_parse_command(mon, &cmdline, mon->cmd_table);
3002 if (!cmd) {
3003 return;
3004 }
55f81d96 3005
ae50212f
BD		 3006 qdict = monitor_parse_arguments(mon, &cmdline, cmd);
3007 if (!qdict) {
dd41eea7
BD		 3008 monitor_printf(mon, "Try \"help %s\" for more information\n",
3009 cmd->name);
ae50212f 3010 return;
55f81d96
LC		 3011 }
3012
2b9e3576 3013 cmd->cmd(mon, qdict);
f7188bbe 3014 QDECREF(qdict);
9dc39cba
FB		 3015}
3016
cd5c6bba 3017static void cmd_completion(Monitor *mon, const char *name, const char *list)
81d0912d
FB		 3018{
3019 const char *p, *pstart;
3020 char cmd[128];
3021 int len;
3022
3023 p = list;
3024 for(;;) {
3025 pstart = p;
3026 p = strchr(p, '|');
3027 if (!p)
3028 p = pstart + strlen(pstart);
3029 len = p - pstart;
3030 if (len > sizeof(cmd) - 2)
3031 len = sizeof(cmd) - 2;
3032 memcpy(cmd, pstart, len);
3033 cmd[len] = '\0';
3034 if (name[0] == '\0' || !strncmp(name, cmd, strlen(name))) {
cd5c6bba 3035 readline_add_completion(mon->rs, cmd);
81d0912d
FB		 3036 }
3037 if (*p == '\0')
3038 break;
3039 p++;
3040 }
3041}
3042
cb8f68b1 3043static void file_completion(Monitor *mon, const char *input)
81d0912d
FB		 3044{
3045 DIR *ffs;
3046 struct dirent *d;
3047 char path[1024];
3048 char file[1024], file_prefix[1024];
3049 int input_path_len;
3050 const char *p;
3051
5fafdf24 3052 p = strrchr(input, '/');
81d0912d
FB		 3053 if (!p) {
3054 input_path_len = 0;
3055 pstrcpy(file_prefix, sizeof(file_prefix), input);
363a37d5 3056 pstrcpy(path, sizeof(path), ".");
81d0912d
FB		 3057 } else {
3058 input_path_len = p - input + 1;
3059 memcpy(path, input, input_path_len);
3060 if (input_path_len > sizeof(path) - 1)
3061 input_path_len = sizeof(path) - 1;
3062 path[input_path_len] = '\0';
3063 pstrcpy(file_prefix, sizeof(file_prefix), p + 1);
3064 }
19f2db5c 3065
81d0912d
FB		 3066 ffs = opendir(path);
3067 if (!ffs)
3068 return;
3069 for(;;) {
3070 struct stat sb;
3071 d = readdir(ffs);
3072 if (!d)
3073 break;
46c7fc18
KK		 3074
3075 if (strcmp(d->d_name, ".") == 0 || strcmp(d->d_name, "..") == 0) {
3076 continue;
3077 }
3078
81d0912d
FB		 3079 if (strstart(d->d_name, file_prefix, NULL)) {
3080 memcpy(file, input, input_path_len);
363a37d5
BS		 3081 if (input_path_len < sizeof(file))
3082 pstrcpy(file + input_path_len, sizeof(file) - input_path_len,
3083 d->d_name);
81d0912d
FB		 3084 /* stat the file to find out if it's a directory.
3085 * In that case add a slash to speed up typing long paths
3086 */
c951d9a6 3087 if (stat(file, &sb) == 0 && S_ISDIR(sb.st_mode)) {
363a37d5 3088 pstrcat(file, sizeof(file), "/");
c951d9a6 3089 }
cb8f68b1 3090 readline_add_completion(mon->rs, file);
81d0912d
FB		 3091 }
3092 }
3093 closedir(ffs);
3094}
3095
4d76d2ba
LC		 3096static const char *next_arg_type(const char *typestr)
3097{
3098 const char *p = strchr(typestr, ':');
3099 return (p != NULL ? ++p : typestr);
3100}
3101
40d19394
HB		 3102static void add_completion_option(ReadLineState *rs, const char *str,
3103 const char *option)
3104{
3105 if (!str || !option) {
3106 return;
3107 }
3108 if (!strncmp(option, str, strlen(str))) {
3109 readline_add_completion(rs, option);
3110 }
3111}
3112
13e315da
HB		 3113void chardev_add_completion(ReadLineState *rs, int nb_args, const char *str)
3114{
3115 size_t len;
3116 ChardevBackendInfoList *list, *start;
3117
3118 if (nb_args != 2) {
3119 return;
3120 }
3121 len = strlen(str);
3122 readline_set_completion_index(rs, len);
3123
3124 start = list = qmp_query_chardev_backends(NULL);
3125 while (list) {
3126 const char *chr_name = list->value->name;
3127
3128 if (!strncmp(chr_name, str, len)) {
3129 readline_add_completion(rs, chr_name);
3130 }
3131 list = list->next;
3132 }
3133 qapi_free_ChardevBackendInfoList(start);
3134}
3135
b162b49a
HB		 3136void netdev_add_completion(ReadLineState *rs, int nb_args, const char *str)
3137{
3138 size_t len;
3139 int i;
3140
3141 if (nb_args != 2) {
3142 return;
3143 }
3144 len = strlen(str);
3145 readline_set_completion_index(rs, len);
f394b2e2
EB		 3146 for (i = 0; NetClientDriver_lookup[i]; i++) {
3147 add_completion_option(rs, str, NetClientDriver_lookup[i]);
b162b49a
HB		 3148 }
3149}
3150
2da1b3ab 3151void device_add_completion(ReadLineState *rs, int nb_args, const char *str)
992d3e64
HB		 3152{
3153 GSList *list, *elt;
3154 size_t len;
3155
2da1b3ab
HB		 3156 if (nb_args != 2) {
3157 return;
3158 }
3159
992d3e64
HB		 3160 len = strlen(str);
3161 readline_set_completion_index(rs, len);
3162 list = elt = object_class_get_list(TYPE_DEVICE, false);
3163 while (elt) {
3164 const char *name;
3165 DeviceClass *dc = OBJECT_CLASS_CHECK(DeviceClass, elt->data,
3166 TYPE_DEVICE);
3167 name = object_class_get_name(OBJECT_CLASS(dc));
2da1b3ab 3168
aab00230 3169 if (dc->user_creatable
2da1b3ab 3170 && !strncmp(name, str, len)) {
992d3e64
HB		 3171 readline_add_completion(rs, name);
3172 }
3173 elt = elt->next;
3174 }
3175 g_slist_free(list);
3176}
3177
bfa40f77 3178void object_add_completion(ReadLineState *rs, int nb_args, const char *str)
1094fd3a
HB		 3179{
3180 GSList *list, *elt;
3181 size_t len;
3182
bfa40f77
HB		 3183 if (nb_args != 2) {
3184 return;
3185 }
3186
1094fd3a
HB		 3187 len = strlen(str);
3188 readline_set_completion_index(rs, len);
3189 list = elt = object_class_get_list(TYPE_USER_CREATABLE, false);
3190 while (elt) {
3191 const char *name;
3192
3193 name = object_class_get_name(OBJECT_CLASS(elt->data));
3194 if (!strncmp(name, str, len) && strcmp(name, TYPE_USER_CREATABLE)) {
3195 readline_add_completion(rs, name);
3196 }
3197 elt = elt->next;
3198 }
3199 g_slist_free(list);
3200}
3201
6a1fa9f5
ZG		 3202static void peripheral_device_del_completion(ReadLineState *rs,
3203 const char *str, size_t len)
3204{
4cae4d5a
MA		 3205 Object *peripheral = container_get(qdev_get_machine(), "/peripheral");
3206 GSList *list, *item;
6a1fa9f5 3207
4cae4d5a
MA		 3208 list = qdev_build_hotpluggable_device_list(peripheral);
3209 if (!list) {
6a1fa9f5
ZG		 3210 return;
3211 }
3212
6a1fa9f5
ZG		 3213 for (item = list; item; item = g_slist_next(item)) {
3214 DeviceState *dev = item->data;
3215
3216 if (dev->id && !strncmp(str, dev->id, len)) {
3217 readline_add_completion(rs, dev->id);
3218 }
3219 }
3220
3221 g_slist_free(list);
3222}
3223
6297d9a2
HB		 3224void chardev_remove_completion(ReadLineState *rs, int nb_args, const char *str)
3225{
3226 size_t len;
3227 ChardevInfoList *list, *start;
3228
3229 if (nb_args != 2) {
3230 return;
3231 }
3232 len = strlen(str);
3233 readline_set_completion_index(rs, len);
3234
3235 start = list = qmp_query_chardev(NULL);
3236 while (list) {
3237 ChardevInfo *chr = list->value;
3238
3239 if (!strncmp(chr->label, str, len)) {
3240 readline_add_completion(rs, chr->label);
3241 }
3242 list = list->next;
3243 }
3244 qapi_free_ChardevInfoList(start);
3245}
3246
8e597779
HB		 3247static void ringbuf_completion(ReadLineState *rs, const char *str)
3248{
3249 size_t len;
3250 ChardevInfoList *list, *start;
3251
3252 len = strlen(str);
3253 readline_set_completion_index(rs, len);
3254
3255 start = list = qmp_query_chardev(NULL);
3256 while (list) {
3257 ChardevInfo *chr_info = list->value;
3258
3259 if (!strncmp(chr_info->label, str, len)) {
0ec7b3e7 3260 Chardev *chr = qemu_chr_find(chr_info->label);
777357d7 3261 if (chr && CHARDEV_IS_RINGBUF(chr)) {
8e597779
HB		 3262 readline_add_completion(rs, chr_info->label);
3263 }
3264 }
3265 list = list->next;
3266 }
3267 qapi_free_ChardevInfoList(start);
3268}
3269
8e597779
HB		 3270void ringbuf_write_completion(ReadLineState *rs, int nb_args, const char *str)
3271{
3272 if (nb_args != 2) {
3273 return;
3274 }
3275 ringbuf_completion(rs, str);
3276}
3277
2da1b3ab
HB		 3278void device_del_completion(ReadLineState *rs, int nb_args, const char *str)
3279{
3280 size_t len;
3281
3282 if (nb_args != 2) {
3283 return;
3284 }
3285
3286 len = strlen(str);
3287 readline_set_completion_index(rs, len);
6a1fa9f5 3288 peripheral_device_del_completion(rs, str, len);
2da1b3ab
HB		 3289}
3290
bfa40f77 3291void object_del_completion(ReadLineState *rs, int nb_args, const char *str)
b48fa074
HB		 3292{
3293 ObjectPropertyInfoList *list, *start;
3294 size_t len;
3295
bfa40f77
HB		 3296 if (nb_args != 2) {
3297 return;
3298 }
b48fa074
HB		 3299 len = strlen(str);
3300 readline_set_completion_index(rs, len);
3301
3302 start = list = qmp_qom_list("/objects", NULL);
3303 while (list) {
3304 ObjectPropertyInfo *info = list->value;
3305
3306 if (!strncmp(info->type, "child<", 5)
3307 && !strncmp(info->name, str, len)) {
3308 readline_add_completion(rs, info->name);
3309 }
3310 list = list->next;
3311 }
3312 qapi_free_ObjectPropertyInfoList(start);
3313}
3314
29136cd8
HB		 3315void sendkey_completion(ReadLineState *rs, int nb_args, const char *str)
3316{
3317 int i;
3318 char *sep;
3319 size_t len;
3320
3321 if (nb_args != 2) {
3322 return;
3323 }
3324 sep = strrchr(str, '-');
3325 if (sep) {
3326 str = sep + 1;
3327 }
3328 len = strlen(str);
3329 readline_set_completion_index(rs, len);
7fb1cf16 3330 for (i = 0; i < Q_KEY_CODE__MAX; i++) {
29136cd8
HB		 3331 if (!strncmp(str, QKeyCode_lookup[i], len)) {
3332 readline_add_completion(rs, QKeyCode_lookup[i]);
3333 }
3334 }
3335}
3336
40d19394
HB		 3337void set_link_completion(ReadLineState *rs, int nb_args, const char *str)
3338{
3339 size_t len;
3340
3341 len = strlen(str);
3342 readline_set_completion_index(rs, len);
3343 if (nb_args == 2) {
eaed483c 3344 NetClientState *ncs[MAX_QUEUE_NUM];
40d19394
HB		 3345 int count, i;
3346 count = qemu_find_net_clients_except(NULL, ncs,
f394b2e2 3347 NET_CLIENT_DRIVER_NONE,
eaed483c 3348 MAX_QUEUE_NUM);
bcfa4d60 3349 for (i = 0; i < MIN(count, MAX_QUEUE_NUM); i++) {
40d19394
HB		 3350 const char *name = ncs[i]->name;
3351 if (!strncmp(str, name, len)) {
3352 readline_add_completion(rs, name);
3353 }
3354 }
3355 } else if (nb_args == 3) {
3356 add_completion_option(rs, str, "on");
3357 add_completion_option(rs, str, "off");
3358 }
3359}
3360
11b389f2
HB		 3361void netdev_del_completion(ReadLineState *rs, int nb_args, const char *str)
3362{
3363 int len, count, i;
eaed483c 3364 NetClientState *ncs[MAX_QUEUE_NUM];
11b389f2
HB		 3365
3366 if (nb_args != 2) {
3367 return;
3368 }
3369
3370 len = strlen(str);
3371 readline_set_completion_index(rs, len);
f394b2e2 3372 count = qemu_find_net_clients_except(NULL, ncs, NET_CLIENT_DRIVER_NIC,
eaed483c 3373 MAX_QUEUE_NUM);
bcfa4d60 3374 for (i = 0; i < MIN(count, MAX_QUEUE_NUM); i++) {
11b389f2
HB		 3375 QemuOpts *opts;
3376 const char *name = ncs[i]->name;
3377 if (strncmp(str, name, len)) {
3378 continue;
3379 }
3380 opts = qemu_opts_find(qemu_find_opts_err("netdev", NULL), name);
3381 if (opts) {
3382 readline_add_completion(rs, name);
3383 }
3384 }
3385}
3386
bd71211d
LV		 3387void info_trace_events_completion(ReadLineState *rs, int nb_args, const char *str)
3388{
3389 size_t len;
3390
3391 len = strlen(str);
3392 readline_set_completion_index(rs, len);
3393 if (nb_args == 2) {
0d4e995c
DB		 3394 TraceEventIter iter;
3395 TraceEvent *ev;
3396 char *pattern = g_strdup_printf("%s*", str);
3397 trace_event_iter_init(&iter, pattern);
3398 while ((ev = trace_event_iter_next(&iter)) != NULL) {
3399 readline_add_completion(rs, trace_event_get_name(ev));
bd71211d 3400 }
0d4e995c 3401 g_free(pattern);
bd71211d
LV		 3402 }
3403}
3404
987bd270
DDAG		 3405void trace_event_completion(ReadLineState *rs, int nb_args, const char *str)
3406{
3407 size_t len;
3408
3409 len = strlen(str);
3410 readline_set_completion_index(rs, len);
3411 if (nb_args == 2) {
0d4e995c
DB		 3412 TraceEventIter iter;
3413 TraceEvent *ev;
3414 char *pattern = g_strdup_printf("%s*", str);
3415 trace_event_iter_init(&iter, pattern);
3416 while ((ev = trace_event_iter_next(&iter)) != NULL) {
3417 readline_add_completion(rs, trace_event_get_name(ev));
3418 }
3419 g_free(pattern);
987bd270
DDAG		 3420 } else if (nb_args == 3) {
3421 add_completion_option(rs, str, "on");
3422 add_completion_option(rs, str, "off");
3423 }
3424}
3425
d0ece345
HB		 3426void watchdog_action_completion(ReadLineState *rs, int nb_args, const char *str)
3427{
4bb08af3
HB		 3428 int i;
3429
d0ece345
HB		 3430 if (nb_args != 2) {
3431 return;
3432 }
3433 readline_set_completion_index(rs, strlen(str));
4bb08af3
HB		 3434 for (i = 0; WatchdogExpirationAction_lookup[i]; i++) {
3435 add_completion_option(rs, str, WatchdogExpirationAction_lookup[i]);
3436 }
d0ece345
HB		 3437}
3438
c68a0409
HB		 3439void migrate_set_capability_completion(ReadLineState *rs, int nb_args,
3440 const char *str)
3441{
3442 size_t len;
3443
3444 len = strlen(str);
3445 readline_set_completion_index(rs, len);
3446 if (nb_args == 2) {
3447 int i;
7fb1cf16 3448 for (i = 0; i < MIGRATION_CAPABILITY__MAX; i++) {
c68a0409
HB		 3449 const char *name = MigrationCapability_lookup[i];
3450 if (!strncmp(str, name, len)) {
3451 readline_add_completion(rs, name);
3452 }
3453 }
3454 } else if (nb_args == 3) {
3455 add_completion_option(rs, str, "on");
3456 add_completion_option(rs, str, "off");
3457 }
3458}
3459
50e9a629
LL		 3460void migrate_set_parameter_completion(ReadLineState *rs, int nb_args,
3461 const char *str)
3462{
3463 size_t len;
3464
3465 len = strlen(str);
3466 readline_set_completion_index(rs, len);
3467 if (nb_args == 2) {
3468 int i;
7fb1cf16 3469 for (i = 0; i < MIGRATION_PARAMETER__MAX; i++) {
50e9a629
LL		 3470 const char *name = MigrationParameter_lookup[i];
3471 if (!strncmp(str, name, len)) {
3472 readline_add_completion(rs, name);
3473 }
3474 }
3475 }
3476}
3477
e3bb532c
HB		 3478void host_net_add_completion(ReadLineState *rs, int nb_args, const char *str)
3479{
3480 int i;
3481 size_t len;
3482 if (nb_args != 2) {
3483 return;
3484 }
3485 len = strlen(str);
3486 readline_set_completion_index(rs, len);
3487 for (i = 0; host_net_devices[i]; i++) {
3488 if (!strncmp(host_net_devices[i], str, len)) {
3489 readline_add_completion(rs, host_net_devices[i]);
3490 }
3491 }
3492}
3493
ddd6b45c
HB		 3494void host_net_remove_completion(ReadLineState *rs, int nb_args, const char *str)
3495{
eaed483c 3496 NetClientState *ncs[MAX_QUEUE_NUM];
ddd6b45c
HB		 3497 int count, i, len;
3498
3499 len = strlen(str);
3500 readline_set_completion_index(rs, len);
3501 if (nb_args == 2) {
3502 count = qemu_find_net_clients_except(NULL, ncs,
f394b2e2 3503 NET_CLIENT_DRIVER_NONE,
eaed483c 3504 MAX_QUEUE_NUM);
bcfa4d60 3505 for (i = 0; i < MIN(count, MAX_QUEUE_NUM); i++) {
ddd6b45c
HB		 3506 int id;
3507 char name[16];
3508
3509 if (net_hub_id_for_client(ncs[i], &id)) {
3510 continue;
3511 }
3512 snprintf(name, sizeof(name), "%d", id);
3513 if (!strncmp(str, name, len)) {
3514 readline_add_completion(rs, name);
3515 }
3516 }
3517 return;
3518 } else if (nb_args == 3) {
3519 count = qemu_find_net_clients_except(NULL, ncs,
f394b2e2 3520 NET_CLIENT_DRIVER_NIC,
eaed483c 3521 MAX_QUEUE_NUM);
bcfa4d60 3522 for (i = 0; i < MIN(count, MAX_QUEUE_NUM); i++) {
2c4681f5 3523 int id;
ddd6b45c
HB		 3524 const char *name;
3525
f394b2e2 3526 if (ncs[i]->info->type == NET_CLIENT_DRIVER_HUBPORT ||
2c4681f5
JW		 3527 net_hub_id_for_client(ncs[i], &id)) {
3528 continue;
3529 }
ddd6b45c
HB		 3530 name = ncs[i]->name;
3531 if (!strncmp(str, name, len)) {
3532 readline_add_completion(rs, name);
3533 }
3534 }
3535 return;
3536 }
3537}
3538
b21631f3
HB		 3539static void vm_completion(ReadLineState *rs, const char *str)
3540{
3541 size_t len;
7c8eece4 3542 BlockDriverState *bs;
88be7b4b 3543 BdrvNextIterator it;
b21631f3
HB		 3544
3545 len = strlen(str);
3546 readline_set_completion_index(rs, len);
7c8eece4 3547
88be7b4b 3548 for (bs = bdrv_first(&it); bs; bs = bdrv_next(&it)) {
b21631f3 3549 SnapshotInfoList *snapshots, *snapshot;
6bf1faa8
DL		 3550 AioContext *ctx = bdrv_get_aio_context(bs);
3551 bool ok = false;
b21631f3 3552
6bf1faa8
DL		 3553 aio_context_acquire(ctx);
3554 if (bdrv_can_snapshot(bs)) {
3555 ok = bdrv_query_snapshot_info_list(bs, &snapshots, NULL) == 0;
b21631f3 3556 }
6bf1faa8
DL		 3557 aio_context_release(ctx);
3558 if (!ok) {
b21631f3
HB		 3559 continue;
3560 }
6bf1faa8 3561
b21631f3
HB		 3562 snapshot = snapshots;
3563 while (snapshot) {
3564 char *completion = snapshot->value->name;
3565 if (!strncmp(str, completion, len)) {
3566 readline_add_completion(rs, completion);
3567 }
3568 completion = snapshot->value->id;
3569 if (!strncmp(str, completion, len)) {
3570 readline_add_completion(rs, completion);
3571 }
3572 snapshot = snapshot->next;
3573 }
3574 qapi_free_SnapshotInfoList(snapshots);
3575 }
3576
3577}
3578
3579void delvm_completion(ReadLineState *rs, int nb_args, const char *str)
3580{
3581 if (nb_args == 2) {
3582 vm_completion(rs, str);
3583 }
3584}
3585
3586void loadvm_completion(ReadLineState *rs, int nb_args, const char *str)
3587{
3588 if (nb_args == 2) {
3589 vm_completion(rs, str);
3590 }
3591}
3592
c35b6400
WX		 3593static void monitor_find_completion_by_table(Monitor *mon,
3594 const mon_cmd_t *cmd_table,
3595 char **args,
3596 int nb_args)
81d0912d
FB		 3597{
3598 const char *cmdname;
c35b6400 3599 int i;
fea68bb6 3600 const char *ptype, *str, *name;
c227f099 3601 const mon_cmd_t *cmd;
da27a00e 3602 BlockBackend *blk = NULL;
81d0912d 3603
81d0912d
FB		 3604 if (nb_args <= 1) {
3605 /* command completion */
3606 if (nb_args == 0)
3607 cmdname = "";
3608 else
3609 cmdname = args[0];
d2674b2c 3610 readline_set_completion_index(mon->rs, strlen(cmdname));
c35b6400 3611 for (cmd = cmd_table; cmd->name != NULL; cmd++) {
cd5c6bba 3612 cmd_completion(mon, cmdname, cmd->name);
81d0912d
FB		 3613 }
3614 } else {
3615 /* find the command */
c35b6400 3616 for (cmd = cmd_table; cmd->name != NULL; cmd++) {
03a63484
JK		 3617 if (compare_cmd(args[0], cmd->name)) {
3618 break;
3619 }
81d0912d 3620 }
03a63484 3621 if (!cmd->name) {
c35b6400 3622 return;
03a63484
JK		 3623 }
3624
d903a779
WX		 3625 if (cmd->sub_table) {
3626 /* do the job again */
e7ae771f
SW		 3627 monitor_find_completion_by_table(mon, cmd->sub_table,
3628 &args[1], nb_args - 1);
3629 return;
d903a779 3630 }
bfa40f77 3631 if (cmd->command_completion) {
e7ae771f
SW		 3632 cmd->command_completion(mon->rs, nb_args, args[nb_args - 1]);
3633 return;
bfa40f77 3634 }
d903a779 3635
4d76d2ba 3636 ptype = next_arg_type(cmd->args_type);
81d0912d
FB		 3637 for(i = 0; i < nb_args - 2; i++) {
3638 if (*ptype != '\0') {
4d76d2ba 3639 ptype = next_arg_type(ptype);
81d0912d 3640 while (*ptype == '?')
4d76d2ba 3641 ptype = next_arg_type(ptype);
81d0912d
FB		 3642 }
3643 }
3644 str = args[nb_args - 1];
48fe86f6 3645 while (*ptype == '-' && ptype[1] != '\0') {
3b6dbf27 3646 ptype = next_arg_type(ptype);
2a1704a7 3647 }
81d0912d
FB		 3648 switch(*ptype) {
3649 case 'F':
3650 /* file completion */
d2674b2c 3651 readline_set_completion_index(mon->rs, strlen(str));
cb8f68b1 3652 file_completion(mon, str);
81d0912d
FB		 3653 break;
3654 case 'B':
3655 /* block device name completion */
599a926a 3656 readline_set_completion_index(mon->rs, strlen(str));
da27a00e
HR		 3657 while ((blk = blk_next(blk)) != NULL) {
3658 name = blk_name(blk);
fea68bb6
MA		 3659 if (str[0] == '\0' ||
3660 !strncmp(name, str, strlen(str))) {
3661 readline_add_completion(mon->rs, name);
3662 }
3663 }
81d0912d 3664 break;
7fe48483 3665 case 's':
129be006 3666 case 'S':
29136cd8 3667 if (!strcmp(cmd->name, "help|?")) {
7ca0e061
WX		 3668 monitor_find_completion_by_table(mon, cmd_table,
3669 &args[1], nb_args - 1);
7fe48483
FB		 3670 }
3671 break;
81d0912d
FB		 3672 default:
3673 break;
3674 }
3675 }
c35b6400
WX		 3676}
3677
c60bf339 3678static void monitor_find_completion(void *opaque,
c35b6400
WX		 3679 const char *cmdline)
3680{
c60bf339 3681 Monitor *mon = opaque;
c35b6400
WX		 3682 char *args[MAX_ARGS];
3683 int nb_args, len;
3684
3685 /* 1. parse the cmdline */
3686 if (parse_cmdline(cmdline, &nb_args, args) < 0) {
3687 return;
3688 }
c35b6400
WX		 3689
3690 /* if the line ends with a space, it means we want to complete the
3691 next arg */
3692 len = strlen(cmdline);
3693 if (len > 0 && qemu_isspace(cmdline[len - 1])) {
3694 if (nb_args >= MAX_ARGS) {
3695 goto cleanup;
3696 }
3697 args[nb_args++] = g_strdup("");
3698 }
3699
3700 /* 2. auto complete according to args */
3701 monitor_find_completion_by_table(mon, mon->cmd_table, args, nb_args);
03a63484
JK		 3702
3703cleanup:
dcc70cdf 3704 free_cmdline_args(args, nb_args);
81d0912d
FB		 3705}
3706
731b0364 3707static int monitor_can_read(void *opaque)
9dc39cba 3708{
731b0364
AL		 3709 Monitor *mon = opaque;
3710
c62313bb 3711 return (mon->suspend_cnt == 0) ? 1 : 0;
9dc39cba
FB		 3712}
3713
95385fe9 3714static void handle_qmp_command(JSONMessageParser *parser, GQueue *tokens)
5fa737a4 3715{
5c678ee8
MAL		 3716 QObject *req, *rsp = NULL, *id = NULL;
3717 QDict *qdict = NULL;
5fa737a4 3718 Monitor *mon = cur_mon;
5c678ee8 3719 Error *err = NULL;
5fa737a4 3720
5c678ee8 3721 req = json_parser_parse_err(tokens, NULL, &err);
bbf1028a
MA		 3722 if (!req && !err) {
3723 /* json_parser_parse_err() sucks: can fail without setting @err */
3724 error_setg(&err, QERR_JSON_PARSING);
3725 }
3726 if (err) {
5fa737a4 3727 goto err_out;
5fa737a4
LC		 3728 }
3729
104fc302
MA		 3730 qdict = qobject_to_qdict(req);
3731 if (qdict) {
3732 id = qdict_get(qdict, "id");
3733 qobject_incref(id);
3734 qdict_del(qdict, "id");
3735 } /* else will fail qmp_dispatch() */
5c678ee8 3736
635db18f 3737 rsp = qmp_dispatch(cur_mon->qmp.commands, req);
5fa737a4 3738
635db18f
MA		 3739 if (mon->qmp.commands == &qmp_cap_negotiation_commands) {
3740 qdict = qdict_get_qdict(qobject_to_qdict(rsp), "error");
3741 if (qdict
3742 && !g_strcmp0(qdict_get_try_str(qdict, "class"),
3743 QapiErrorClass_lookup[ERROR_CLASS_COMMAND_NOT_FOUND])) {
3744 /* Provide a more useful error message */
3745 qdict_del(qdict, "desc");
e59084b5
EB		 3746 qdict_put_str(qdict, "desc", "Expecting capabilities negotiation"
3747 " with 'qmp_capabilities'");
635db18f
MA		 3748 }
3749 }
5fa737a4 3750
5c678ee8
MAL		 3751err_out:
3752 if (err) {
3753 qdict = qdict_new();
3754 qdict_put_obj(qdict, "error", qmp_build_error_object(err));
3755 error_free(err);
3756 rsp = QOBJECT(qdict);
5fa737a4
LC		 3757 }
3758
5c678ee8
MAL		 3759 if (rsp) {
3760 if (id) {
3761 qdict_put_obj(qobject_to_qdict(rsp), "id", id);
3762 id = NULL;
3763 }
5fa737a4 3764
5c678ee8
MAL		 3765 monitor_json_emitter(mon, rsp);
3766 }
3767
3768 qobject_decref(id);
3769 qobject_decref(rsp);
3770 qobject_decref(req);
5fa737a4
LC		 3771}
3772
c83fe23b 3773static void monitor_qmp_read(void *opaque, const uint8_t *buf, int size)
9b57c02e
LC		 3774{
3775 Monitor *old_mon = cur_mon;
3776
3777 cur_mon = opaque;
3778
74358f2a 3779 json_message_parser_feed(&cur_mon->qmp.parser, (const char *) buf, size);
9b57c02e
LC		 3780
3781 cur_mon = old_mon;
3782}
3783
731b0364 3784static void monitor_read(void *opaque, const uint8_t *buf, int size)
9dc39cba 3785{
731b0364 3786 Monitor *old_mon = cur_mon;
7e2515e8 3787 int i;
376253ec 3788
731b0364
AL		 3789 cur_mon = opaque;
3790
cde76ee1
AL		 3791 if (cur_mon->rs) {
3792 for (i = 0; i < size; i++)
3793 readline_handle_byte(cur_mon->rs, buf[i]);
3794 } else {
3795 if (size == 0 || buf[size - 1] != 0)
3796 monitor_printf(cur_mon, "corrupted command\n");
3797 else
7ef6cf63 3798 handle_hmp_command(cur_mon, (char *)buf);
cde76ee1 3799 }
9dc39cba 3800
731b0364
AL		 3801 cur_mon = old_mon;
3802}
d8f44609 3803
c60bf339
SH		 3804static void monitor_command_cb(void *opaque, const char *cmdline,
3805 void *readline_opaque)
aa455485 3806{
c60bf339
SH		 3807 Monitor *mon = opaque;
3808
731b0364 3809 monitor_suspend(mon);
7ef6cf63 3810 handle_hmp_command(mon, cmdline);
731b0364 3811 monitor_resume(mon);
d8f44609
AL		 3812}
3813
cde76ee1 3814int monitor_suspend(Monitor *mon)
d8f44609 3815{
cde76ee1
AL		 3816 if (!mon->rs)
3817 return -ENOTTY;
731b0364 3818 mon->suspend_cnt++;
cde76ee1 3819 return 0;
d8f44609
AL		 3820}
3821
376253ec 3822void monitor_resume(Monitor *mon)
d8f44609 3823{
cde76ee1
AL		 3824 if (!mon->rs)
3825 return;
731b0364
AL		 3826 if (--mon->suspend_cnt == 0)
3827 readline_show_prompt(mon->rs);
aa455485
FB		 3828}
3829
ca9567e2
LC		 3830static QObject *get_qmp_greeting(void)
3831{
b9c15f16 3832 QObject *ver = NULL;
ca9567e2 3833
7fad30f0 3834 qmp_marshal_query_version(NULL, &ver, NULL);
c823501e
MAL		 3835
3836 return qobject_from_jsonf("{'QMP': {'version': %p, 'capabilities': []}}",
3837 ver);
ca9567e2
LC		 3838}
3839
c83fe23b 3840static void monitor_qmp_event(void *opaque, int event)
9b57c02e 3841{
47116d1c
LC		 3842 QObject *data;
3843 Monitor *mon = opaque;
9b57c02e 3844
47116d1c
LC		 3845 switch (event) {
3846 case CHR_EVENT_OPENED:
635db18f 3847 mon->qmp.commands = &qmp_cap_negotiation_commands;
ca9567e2 3848 data = get_qmp_greeting();
9b57c02e
LC		 3849 monitor_json_emitter(mon, data);
3850 qobject_decref(data);
efb87c16 3851 mon_refcount++;
47116d1c
LC		 3852 break;
3853 case CHR_EVENT_CLOSED:
74358f2a
MA		 3854 json_message_parser_destroy(&mon->qmp.parser);
3855 json_message_parser_init(&mon->qmp.parser, handle_qmp_command);
efb87c16
CB		 3856 mon_refcount--;
3857 monitor_fdsets_cleanup();
47116d1c 3858 break;
9b57c02e
LC		 3859 }
3860}
3861
731b0364 3862static void monitor_event(void *opaque, int event)
86e94dea 3863{
376253ec
AL		 3864 Monitor *mon = opaque;
3865
2724b180
AL		 3866 switch (event) {
3867 case CHR_EVENT_MUX_IN:
6cff3e85 3868 qemu_mutex_lock(&mon->out_lock);
a7aec5da 3869 mon->mux_out = 0;
6cff3e85 3870 qemu_mutex_unlock(&mon->out_lock);
a7aec5da
GH		 3871 if (mon->reset_seen) {
3872 readline_restart(mon->rs);
3873 monitor_resume(mon);
3874 monitor_flush(mon);
3875 } else {
3876 mon->suspend_cnt = 0;
3877 }
2724b180
AL		 3878 break;
3879
3880 case CHR_EVENT_MUX_OUT:
a7aec5da
GH		 3881 if (mon->reset_seen) {
3882 if (mon->suspend_cnt == 0) {
3883 monitor_printf(mon, "\n");
3884 }
3885 monitor_flush(mon);
3886 monitor_suspend(mon);
3887 } else {
3888 mon->suspend_cnt++;
3889 }
6cff3e85 3890 qemu_mutex_lock(&mon->out_lock);
a7aec5da 3891 mon->mux_out = 1;
6cff3e85 3892 qemu_mutex_unlock(&mon->out_lock);
2724b180 3893 break;
86e94dea 3894
b6b8df56 3895 case CHR_EVENT_OPENED:
2724b180
AL		 3896 monitor_printf(mon, "QEMU %s monitor - type 'help' for more "
3897 "information\n", QEMU_VERSION);
a7aec5da 3898 if (!mon->mux_out) {
e5554e20 3899 readline_restart(mon->rs);
2724b180 3900 readline_show_prompt(mon->rs);
a7aec5da
GH		 3901 }
3902 mon->reset_seen = 1;
efb87c16
CB		 3903 mon_refcount++;
3904 break;
3905
3906 case CHR_EVENT_CLOSED:
3907 mon_refcount--;
3908 monitor_fdsets_cleanup();
2724b180
AL		 3909 break;
3910 }
86e94dea
TS		 3911}
3912
816f8925
WX		 3913static int
3914compare_mon_cmd(const void *a, const void *b)
3915{
3916 return strcmp(((const mon_cmd_t *)a)->name,
3917 ((const mon_cmd_t *)b)->name);
3918}
3919
3920static void sortcmdlist(void)
3921{
3922 int array_num;
3923 int elem_size = sizeof(mon_cmd_t);
3924
3925 array_num = sizeof(mon_cmds)/elem_size-1;
3926 qsort((void *)mon_cmds, array_num, elem_size, compare_mon_cmd);
3927
3928 array_num = sizeof(info_cmds)/elem_size-1;
3929 qsort((void *)info_cmds, array_num, elem_size, compare_mon_cmd);
3930}
3931
c60bf339
SH		 3932/* These functions just adapt the readline interface in a typesafe way. We
3933 * could cast function pointers but that discards compiler checks.
3934 */
d5d1507b
SW		 3935static void GCC_FMT_ATTR(2, 3) monitor_readline_printf(void *opaque,
3936 const char *fmt, ...)
c60bf339
SH		 3937{
3938 va_list ap;
3939 va_start(ap, fmt);
3940 monitor_vprintf(opaque, fmt, ap);
3941 va_end(ap);
3942}
3943
3944static void monitor_readline_flush(void *opaque)
3945{
3946 monitor_flush(opaque);
3947}
3948
397d30e9
PB		 3949/*
3950 * Print to current monitor if we have one, else to stderr.
3951 * TODO should return int, so callers can calculate width, but that
3952 * requires surgery to monitor_vprintf(). Left for another day.
3953 */
3954void error_vprintf(const char *fmt, va_list ap)
3955{
3956 if (cur_mon && !monitor_cur_is_qmp()) {
3957 monitor_vprintf(cur_mon, fmt, ap);
3958 } else {
3959 vfprintf(stderr, fmt, ap);
3960 }
3961}
3962
3963void error_vprintf_unless_qmp(const char *fmt, va_list ap)
3964{
3965 if (cur_mon && !monitor_cur_is_qmp()) {
3966 monitor_vprintf(cur_mon, fmt, ap);
0d6b50d4
MAL		 3967 } else if (!cur_mon) {
3968 vfprintf(stderr, fmt, ap);
397d30e9
PB		 3969 }
3970}
3971
d622cb58
PB		 3972static void __attribute__((constructor)) monitor_lock_init(void)
3973{
3974 qemu_mutex_init(&monitor_lock);
3975}
3976
0ec7b3e7 3977void monitor_init(Chardev *chr, int flags)
aa455485 3978{
731b0364 3979 static int is_first_init = 1;
87127161 3980 Monitor *mon;
20d8a3ed
TS		 3981
3982 if (is_first_init) {
43a14cfc 3983 monitor_qapi_event_init();
d038317c 3984 sortcmdlist();
20d8a3ed
TS		 3985 is_first_init = 0;
3986 }
87127161 3987
b01fe89e
WX		 3988 mon = g_malloc(sizeof(*mon));
3989 monitor_data_init(mon);
20d8a3ed 3990
32a6ebec 3991 qemu_chr_fe_init(&mon->chr, chr, &error_abort);
731b0364 3992 mon->flags = flags;
cde76ee1 3993 if (flags & MONITOR_USE_READLINE) {
c60bf339
SH		 3994 mon->rs = readline_init(monitor_readline_printf,
3995 monitor_readline_flush,
3996 mon,
3997 monitor_find_completion);
cde76ee1
AL		 3998 monitor_read_command(mon, 0);
3999 }
87127161 4000
9f3982f2 4001 if (monitor_is_qmp(mon)) {
5345fdb4 4002 qemu_chr_fe_set_handlers(&mon->chr, monitor_can_read, monitor_qmp_read,
39ab61c6 4003 monitor_qmp_event, mon, NULL, true);
5345fdb4 4004 qemu_chr_fe_set_echo(&mon->chr, true);
74358f2a 4005 json_message_parser_init(&mon->qmp.parser, handle_qmp_command);
9b57c02e 4006 } else {
5345fdb4 4007 qemu_chr_fe_set_handlers(&mon->chr, monitor_can_read, monitor_read,
39ab61c6 4008 monitor_event, mon, NULL, true);
9b57c02e 4009 }
87127161 4010
d622cb58 4011 qemu_mutex_lock(&monitor_lock);
72cf2d4f 4012 QLIST_INSERT_HEAD(&mon_list, mon, entry);
d622cb58 4013 qemu_mutex_unlock(&monitor_lock);
aa455485
FB		 4014}
4015
2ef45716
MAL		 4016void monitor_cleanup(void)
4017{
4018 Monitor *mon, *next;
4019
4020 qemu_mutex_lock(&monitor_lock);
4021 QLIST_FOREACH_SAFE(mon, &mon_list, entry, next) {
4022 QLIST_REMOVE(mon, entry);
4023 monitor_data_destroy(mon);
4024 g_free(mon);
4025 }
4026 qemu_mutex_unlock(&monitor_lock);
4027}
4028
c60bf339
SH		 4029static void bdrv_password_cb(void *opaque, const char *password,
4030 void *readline_opaque)
81d0912d 4031{
c60bf339
SH		 4032 Monitor *mon = opaque;
4033 BlockDriverState *bs = readline_opaque;
bb5fc20f 4034 int ret = 0;
4d2855a3 4035 Error *local_err = NULL;
81d0912d 4036
4d2855a3
MA		 4037 bdrv_add_key(bs, password, &local_err);
4038 if (local_err) {
193227f9 4039 error_report_err(local_err);
bb5fc20f 4040 ret = -EPERM;
9dc39cba 4041 }
731b0364
AL		 4042 if (mon->password_completion_cb)
4043 mon->password_completion_cb(mon->password_opaque, ret);
bb5fc20f 4044
731b0364 4045 monitor_read_command(mon, 1);
9dc39cba 4046}
c0f4ce77 4047
0bbc47bb 4048int monitor_read_bdrv_key_start(Monitor *mon, BlockDriverState *bs,
097310b5 4049 BlockCompletionFunc *completion_cb,
0bbc47bb 4050 void *opaque)
c0f4ce77 4051{
cde76ee1
AL		 4052 int err;
4053
376253ec
AL		 4054 monitor_printf(mon, "%s (%s) is encrypted.\n", bdrv_get_device_name(bs),
4055 bdrv_get_encrypted_filename(bs));
bb5fc20f 4056
731b0364
AL		 4057 mon->password_completion_cb = completion_cb;
4058 mon->password_opaque = opaque;
bb5fc20f 4059
cde76ee1
AL		 4060 err = monitor_read_password(mon, bdrv_password_cb, bs);
4061
4062 if (err && completion_cb)
4063 completion_cb(opaque, err);
0bbc47bb
LC		 4064
4065 return err;
c0f4ce77 4066}
e42e818b
LC		 4067
4068int monitor_read_block_device_key(Monitor *mon, const char *device,
097310b5 4069 BlockCompletionFunc *completion_cb,
e42e818b
LC		 4070 void *opaque)
4071{
9b14e0ef 4072 Error *err = NULL;
5560625b 4073 BlockBackend *blk;
e42e818b 4074
5560625b
FZ		 4075 blk = blk_by_name(device);
4076 if (!blk) {
e42e818b
LC		 4077 monitor_printf(mon, "Device not found %s\n", device);
4078 return -1;
4079 }
5433c24f
HR		 4080 if (!blk_bs(blk)) {
4081 monitor_printf(mon, "Device '%s' has no medium\n", device);
4082 return -1;
4083 }
e42e818b 4084
9b14e0ef
MA		 4085 bdrv_add_key(blk_bs(blk), NULL, &err);
4086 if (err) {
4087 error_free(err);
4088 return monitor_read_bdrv_key_start(mon, blk_bs(blk), completion_cb, opaque);
4089 }
4090
4091 if (completion_cb) {
4092 completion_cb(opaque, 0);
4093 }
4094 return 0;
e42e818b 4095}
4d454574
PB		 4096
4097QemuOptsList qemu_mon_opts = {
4098 .name = "mon",
4099 .implied_opt_name = "chardev",
4100 .head = QTAILQ_HEAD_INITIALIZER(qemu_mon_opts.head),
4101 .desc = {
4102 {
4103 .name = "mode",
4104 .type = QEMU_OPT_STRING,
4105 },{
4106 .name = "chardev",
4107 .type = QEMU_OPT_STRING,
4108 },{
bdbcb547 4109 .name = "default", /* deprecated */
4d454574
PB		 4110 .type = QEMU_OPT_BOOL,
4111 },{
4112 .name = "pretty",
4113 .type = QEMU_OPT_BOOL,
4114 },
4115 { /* end of list */ }
4116 },
4117};
f2ae8abf
MT		 4118
4119#ifndef TARGET_I386
4120void qmp_rtc_reset_reinjection(Error **errp)
4121{
c6bd8c70 4122 error_setg(errp, QERR_FEATURE_DISABLED, "rtc-reset-reinjection");
f2ae8abf
MT		 4123}
4124#endif
7ee0c3e3
JH		 4125
4126#ifndef TARGET_S390X
4127void qmp_dump_skeys(const char *filename, Error **errp)
4128{
4129 error_setg(errp, QERR_FEATURE_DISABLED, "dump-skeys");
4130}
4131#endif
ae50a770
PX		 4132
4133#ifndef TARGET_ARM
4134GICCapabilityList *qmp_query_gic_capabilities(Error **errp)
4135{
4136 error_setg(errp, QERR_FEATURE_DISABLED, "query-gic-capabilities");
4137 return NULL;
4138}
4139#endif
d4633541
IM		 4140
4141HotpluggableCPUList *qmp_query_hotpluggable_cpus(Error **errp)
4142{
4143 MachineState *ms = MACHINE(qdev_get_machine());
4144 MachineClass *mc = MACHINE_GET_CLASS(ms);
4145
c5514d0e 4146 if (!mc->has_hotpluggable_cpus) {
d4633541
IM		 4147 error_setg(errp, QERR_FEATURE_DISABLED, "query-hotpluggable-cpus");
4148 return NULL;
4149 }
4150
c5514d0e 4151 return machine_query_hotpluggable_cpus(ms);
d4633541 4152}
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