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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{
376253ec 1094 dump_exec_info((FILE *)mon, monitor_fprintf);
27498bef 1095 dump_drift_info((FILE *)mon, monitor_fprintf);
e3db7226
FB		 1096}
1097
1ce6be24 1098static void hmp_info_opcount(Monitor *mon, const QDict *qdict)
246ae24d
MF		 1099{
1100 dump_opcount_info((FILE *)mon, monitor_fprintf);
1101}
1102
1ce6be24 1103static void hmp_info_history(Monitor *mon, const QDict *qdict)
aa455485
FB		 1104{
1105 int i;
7e2515e8 1106 const char *str;
3b46e624 1107
cde76ee1
AL		 1108 if (!mon->rs)
1109 return;
7e2515e8
FB		 1110 i = 0;
1111 for(;;) {
731b0364 1112 str = readline_get_history(mon->rs, i);
7e2515e8
FB		 1113 if (!str)
1114 break;
376253ec 1115 monitor_printf(mon, "%d: '%s'\n", i, str);
8e3a9fd2 1116 i++;
aa455485
FB		 1117 }
1118}
1119
1ce6be24 1120static void hmp_info_cpustats(Monitor *mon, const QDict *qdict)
76a66253 1121{
854e67fe
TH		 1122 CPUState *cs = mon_get_cpu();
1123
1124 if (!cs) {
1125 monitor_printf(mon, "No CPU available\n");
1126 return;
1127 }
1128 cpu_dump_statistics(cs, (FILE *)mon, &monitor_fprintf, 0);
76a66253 1129}
76a66253 1130
1ce6be24 1131static void hmp_info_trace_events(Monitor *mon, const QDict *qdict)
22890ab5 1132{
bd71211d 1133 const char *name = qdict_get_try_str(qdict, "name");
77e2b172
LV		 1134 bool has_vcpu = qdict_haskey(qdict, "vcpu");
1135 int vcpu = qdict_get_try_int(qdict, "vcpu", 0);
bd71211d 1136 TraceEventInfoList *events;
14101d02 1137 TraceEventInfoList *elem;
bd71211d
LV		 1138 Error *local_err = NULL;
1139
1140 if (name == NULL) {
1141 name = "*";
1142 }
77e2b172
LV		 1143 if (vcpu < 0) {
1144 monitor_printf(mon, "argument vcpu must be positive");
1145 return;
1146 }
bd71211d 1147
77e2b172 1148 events = qmp_trace_event_get_state(name, has_vcpu, vcpu, &local_err);
bd71211d
LV		 1149 if (local_err) {
1150 error_report_err(local_err);
1151 return;
1152 }
14101d02
LV		 1153
1154 for (elem = events; elem != NULL; elem = elem->next) {
1155 monitor_printf(mon, "%s : state %u\n",
1156 elem->value->name,
1157 elem->value->state == TRACE_EVENT_STATE_ENABLED ? 1 : 0);
1158 }
1159 qapi_free_TraceEventInfoList(events);
22890ab5 1160}
22890ab5 1161
b8a185bc
MA		 1162void qmp_client_migrate_info(const char *protocol, const char *hostname,
1163 bool has_port, int64_t port,
1164 bool has_tls_port, int64_t tls_port,
1165 bool has_cert_subject, const char *cert_subject,
1166 Error **errp)
e866e239 1167{
e866e239 1168 if (strcmp(protocol, "spice") == 0) {
b8a185bc
MA		 1169 if (!qemu_using_spice(errp)) {
1170 return;
e866e239
GH		 1171 }
1172
b8a185bc 1173 if (!has_port && !has_tls_port) {
c6bd8c70 1174 error_setg(errp, QERR_MISSING_PARAMETER, "port/tls-port");
b8a185bc 1175 return;
6ec5dae5
YH		 1176 }
1177
b8a185bc
MA		 1178 if (qemu_spice_migrate_info(hostname,
1179 has_port ? port : -1,
1180 has_tls_port ? tls_port : -1,
1181 cert_subject)) {
c6bd8c70 1182 error_setg(errp, QERR_UNDEFINED_ERROR);
b8a185bc 1183 return;
e866e239 1184 }
b8a185bc 1185 return;
e866e239
GH		 1186 }
1187
c6bd8c70 1188 error_setg(errp, QERR_INVALID_PARAMETER_VALUE, "protocol", "spice");
e866e239
GH		 1189}
1190
3e5a50d6 1191static void hmp_logfile(Monitor *mon, const QDict *qdict)
e735b91c 1192{
daa76aa4
MA		 1193 Error *err = NULL;
1194
1195 qemu_set_log_filename(qdict_get_str(qdict, "filename"), &err);
1196 if (err) {
1197 error_report_err(err);
1198 }
e735b91c
PB		 1199}
1200
3e5a50d6 1201static void hmp_log(Monitor *mon, const QDict *qdict)
f193c797
FB		 1202{
1203 int mask;
d54908a5 1204 const char *items = qdict_get_str(qdict, "items");
3b46e624 1205
9307c4c1 1206 if (!strcmp(items, "none")) {
f193c797
FB		 1207 mask = 0;
1208 } else {
4fde1eba 1209 mask = qemu_str_to_log_mask(items);
f193c797 1210 if (!mask) {
376253ec 1211 help_cmd(mon, "log");
f193c797
FB		 1212 return;
1213 }
1214 }
24537a01 1215 qemu_set_log(mask);
f193c797
FB		 1216}
1217
3e5a50d6 1218static void hmp_singlestep(Monitor *mon, const QDict *qdict)
1b530a6d 1219{
d54908a5 1220 const char *option = qdict_get_try_str(qdict, "option");
1b530a6d
AJ		 1221 if (!option || !strcmp(option, "on")) {
1222 singlestep = 1;
1223 } else if (!strcmp(option, "off")) {
1224 singlestep = 0;
1225 } else {
1226 monitor_printf(mon, "unexpected option %s\n", option);
1227 }
1228}
1229
3e5a50d6 1230static void hmp_gdbserver(Monitor *mon, const QDict *qdict)
59030a8c 1231{
d54908a5 1232 const char *device = qdict_get_try_str(qdict, "device");
59030a8c
AL		 1233 if (!device)
1234 device = "tcp::" DEFAULT_GDBSTUB_PORT;
1235 if (gdbserver_start(device) < 0) {
1236 monitor_printf(mon, "Could not open gdbserver on device '%s'\n",
1237 device);
1238 } else if (strcmp(device, "none") == 0) {
36556b20 1239 monitor_printf(mon, "Disabled gdbserver\n");
8a7ddc38 1240 } else {
59030a8c
AL		 1241 monitor_printf(mon, "Waiting for gdb connection on device '%s'\n",
1242 device);
8a7ddc38
FB		 1243 }
1244}
1245
3e5a50d6 1246static void hmp_watchdog_action(Monitor *mon, const QDict *qdict)
9dd986cc 1247{
d54908a5 1248 const char *action = qdict_get_str(qdict, "action");
9dd986cc
RJ		 1249 if (select_watchdog_action(action) == -1) {
1250 monitor_printf(mon, "Unknown watchdog action '%s'\n", action);
1251 }
1252}
1253
376253ec 1254static void monitor_printc(Monitor *mon, int c)
9307c4c1 1255{
376253ec 1256 monitor_printf(mon, "'");
9307c4c1
FB		 1257 switch(c) {
1258 case '\'':
376253ec 1259 monitor_printf(mon, "\\'");
9307c4c1
FB		 1260 break;
1261 case '\\':
376253ec 1262 monitor_printf(mon, "\\\\");
9307c4c1
FB		 1263 break;
1264 case '\n':
376253ec 1265 monitor_printf(mon, "\\n");
9307c4c1
FB		 1266 break;
1267 case '\r':
376253ec 1268 monitor_printf(mon, "\\r");
9307c4c1
FB		 1269 break;
1270 default:
1271 if (c >= 32 && c <= 126) {
376253ec 1272 monitor_printf(mon, "%c", c);
9307c4c1 1273 } else {
376253ec 1274 monitor_printf(mon, "\\x%02x", c);
9307c4c1
FB		 1275 }
1276 break;
1277 }
376253ec 1278 monitor_printf(mon, "'");
9307c4c1
FB		 1279}
1280
376253ec 1281static void memory_dump(Monitor *mon, int count, int format, int wsize,
a8170e5e 1282 hwaddr addr, int is_physical)
9307c4c1 1283{
23842aab 1284 int l, line_size, i, max_digits, len;
9307c4c1
FB		 1285 uint8_t buf[16];
1286 uint64_t v;
854e67fe
TH		 1287 CPUState *cs = mon_get_cpu();
1288
1289 if (!cs && (format == 'i' || !is_physical)) {
1290 monitor_printf(mon, "Can not dump without CPU\n");
1291 return;
1292 }
9307c4c1
FB		 1293
1294 if (format == 'i') {
5bcda5f7 1295 int flags = 0;
9307c4c1 1296#ifdef TARGET_I386
5bcda5f7 1297 CPUArchState *env = mon_get_cpu_env();
4c27ba27 1298 if (wsize == 2) {
9307c4c1 1299 flags = 1;
4c27ba27
FB		 1300 } else if (wsize == 4) {
1301 flags = 0;
1302 } else {
6a15fd12 1303 /* as default we use the current CS size */
4c27ba27 1304 flags = 0;
6a15fd12
FB		 1305 if (env) {
1306#ifdef TARGET_X86_64
5fafdf24 1307 if ((env->efer & MSR_EFER_LMA) &&
6a15fd12
FB		 1308 (env->segs[R_CS].flags & DESC_L_MASK))
1309 flags = 2;
1310 else
1311#endif
1312 if (!(env->segs[R_CS].flags & DESC_B_MASK))
1313 flags = 1;
1314 }
4c27ba27 1315 }
1c38f843
TM		 1316#endif
1317#ifdef TARGET_PPC
5bcda5f7 1318 CPUArchState *env = mon_get_cpu_env();
1c38f843
TM		 1319 flags = msr_le << 16;
1320 flags |= env->bfd_mach;
4c27ba27 1321#endif
854e67fe 1322 monitor_disas(mon, cs, addr, count, is_physical, flags);
9307c4c1
FB		 1323 return;
1324 }
1325
1326 len = wsize * count;
1327 if (wsize == 1)
1328 line_size = 8;
1329 else
1330 line_size = 16;
9307c4c1
FB		 1331 max_digits = 0;
1332
1333 switch(format) {
1334 case 'o':
1335 max_digits = (wsize * 8 + 2) / 3;
1336 break;
1337 default:
1338 case 'x':
1339 max_digits = (wsize * 8) / 4;
1340 break;
1341 case 'u':
1342 case 'd':
1343 max_digits = (wsize * 8 * 10 + 32) / 33;
1344 break;
1345 case 'c':
1346 wsize = 1;
1347 break;
1348 }
1349
1350 while (len > 0) {
7743e588 1351 if (is_physical)
376253ec 1352 monitor_printf(mon, TARGET_FMT_plx ":", addr);
7743e588 1353 else
376253ec 1354 monitor_printf(mon, TARGET_FMT_lx ":", (target_ulong)addr);
9307c4c1
FB		 1355 l = len;
1356 if (l > line_size)
1357 l = line_size;
1358 if (is_physical) {
54f7b4a3 1359 cpu_physical_memory_read(addr, buf, l);
9307c4c1 1360 } else {
854e67fe 1361 if (cpu_memory_rw_debug(cs, addr, buf, l, 0) < 0) {
376253ec 1362 monitor_printf(mon, " Cannot access memory\n");
c8f79b67
AL		 1363 break;
1364 }
9307c4c1 1365 }
5fafdf24 1366 i = 0;
9307c4c1
FB		 1367 while (i < l) {
1368 switch(wsize) {
1369 default:
1370 case 1:
24e60305 1371 v = ldub_p(buf + i);
9307c4c1
FB		 1372 break;
1373 case 2:
24e60305 1374 v = lduw_p(buf + i);
9307c4c1
FB		 1375 break;
1376 case 4:
24e60305 1377 v = (uint32_t)ldl_p(buf + i);
9307c4c1
FB		 1378 break;
1379 case 8:
24e60305 1380 v = ldq_p(buf + i);
9307c4c1
FB		 1381 break;
1382 }
376253ec 1383 monitor_printf(mon, " ");
9307c4c1
FB		 1384 switch(format) {
1385 case 'o':
376253ec 1386 monitor_printf(mon, "%#*" PRIo64, max_digits, v);
9307c4c1
FB		 1387 break;
1388 case 'x':
376253ec 1389 monitor_printf(mon, "0x%0*" PRIx64, max_digits, v);
9307c4c1
FB		 1390 break;
1391 case 'u':
376253ec 1392 monitor_printf(mon, "%*" PRIu64, max_digits, v);
9307c4c1
FB		 1393 break;
1394 case 'd':
376253ec 1395 monitor_printf(mon, "%*" PRId64, max_digits, v);
9307c4c1
FB		 1396 break;
1397 case 'c':
376253ec 1398 monitor_printc(mon, v);
9307c4c1
FB		 1399 break;
1400 }
1401 i += wsize;
1402 }
376253ec 1403 monitor_printf(mon, "\n");
9307c4c1
FB		 1404 addr += l;
1405 len -= l;
1406 }
1407}
1408
3e5a50d6 1409static void hmp_memory_dump(Monitor *mon, const QDict *qdict)
9307c4c1 1410{
1bd1442e
LC		 1411 int count = qdict_get_int(qdict, "count");
1412 int format = qdict_get_int(qdict, "format");
1413 int size = qdict_get_int(qdict, "size");
1414 target_long addr = qdict_get_int(qdict, "addr");
1415
376253ec 1416 memory_dump(mon, count, format, size, addr, 0);
9307c4c1
FB		 1417}
1418
3e5a50d6 1419static void hmp_physical_memory_dump(Monitor *mon, const QDict *qdict)
9307c4c1 1420{
1bd1442e
LC		 1421 int count = qdict_get_int(qdict, "count");
1422 int format = qdict_get_int(qdict, "format");
1423 int size = qdict_get_int(qdict, "size");
a8170e5e 1424 hwaddr addr = qdict_get_int(qdict, "addr");
1bd1442e 1425
376253ec 1426 memory_dump(mon, count, format, size, addr, 1);
9307c4c1
FB		 1427}
1428
1bd1442e 1429static void do_print(Monitor *mon, const QDict *qdict)
9307c4c1 1430{
1bd1442e 1431 int format = qdict_get_int(qdict, "format");
a8170e5e 1432 hwaddr val = qdict_get_int(qdict, "val");
1bd1442e 1433
9307c4c1
FB		 1434 switch(format) {
1435 case 'o':
a8170e5e 1436 monitor_printf(mon, "%#" HWADDR_PRIo, val);
9307c4c1
FB		 1437 break;
1438 case 'x':
a8170e5e 1439 monitor_printf(mon, "%#" HWADDR_PRIx, val);
9307c4c1
FB		 1440 break;
1441 case 'u':
a8170e5e 1442 monitor_printf(mon, "%" HWADDR_PRIu, val);
9307c4c1
FB		 1443 break;
1444 default:
1445 case 'd':
a8170e5e 1446 monitor_printf(mon, "%" HWADDR_PRId, val);
9307c4c1
FB		 1447 break;
1448 case 'c':
376253ec 1449 monitor_printc(mon, val);
9307c4c1
FB		 1450 break;
1451 }
376253ec 1452 monitor_printf(mon, "\n");
9307c4c1
FB		 1453}
1454
3e5a50d6 1455static void hmp_sum(Monitor *mon, const QDict *qdict)
e4cf1adc
FB		 1456{
1457 uint32_t addr;
e4cf1adc 1458 uint16_t sum;
f18c16de
LC		 1459 uint32_t start = qdict_get_int(qdict, "start");
1460 uint32_t size = qdict_get_int(qdict, "size");
e4cf1adc
FB		 1461
1462 sum = 0;
1463 for(addr = start; addr < (start + size); addr++) {
42874d3a
PM		 1464 uint8_t val = address_space_ldub(&address_space_memory, addr,
1465 MEMTXATTRS_UNSPECIFIED, NULL);
e4cf1adc
FB		 1466 /* BSD sum algorithm ('sum' Unix command) */
1467 sum = (sum >> 1) | (sum << 15);
54f7b4a3 1468 sum += val;
e4cf1adc 1469 }
376253ec 1470 monitor_printf(mon, "%05d\n", sum);
e4cf1adc
FB		 1471}
1472
13224a87
FB		 1473static int mouse_button_state;
1474
3e5a50d6 1475static void hmp_mouse_move(Monitor *mon, const QDict *qdict)
13224a87 1476{
c751a74a 1477 int dx, dy, dz, button;
1d4daa91
LC		 1478 const char *dx_str = qdict_get_str(qdict, "dx_str");
1479 const char *dy_str = qdict_get_str(qdict, "dy_str");
1480 const char *dz_str = qdict_get_try_str(qdict, "dz_str");
c751a74a 1481
13224a87
FB		 1482 dx = strtol(dx_str, NULL, 0);
1483 dy = strtol(dy_str, NULL, 0);
c751a74a
GH		 1484 qemu_input_queue_rel(NULL, INPUT_AXIS_X, dx);
1485 qemu_input_queue_rel(NULL, INPUT_AXIS_Y, dy);
1486
1487 if (dz_str) {
13224a87 1488 dz = strtol(dz_str, NULL, 0);
c751a74a 1489 if (dz != 0) {
f22d0af0 1490 button = (dz > 0) ? INPUT_BUTTON_WHEEL_UP : INPUT_BUTTON_WHEEL_DOWN;
c751a74a
GH		 1491 qemu_input_queue_btn(NULL, button, true);
1492 qemu_input_event_sync();
1493 qemu_input_queue_btn(NULL, button, false);
1494 }
1495 }
1496 qemu_input_event_sync();
13224a87
FB		 1497}
1498
3e5a50d6 1499static void hmp_mouse_button(Monitor *mon, const QDict *qdict)
13224a87 1500{
7fb1cf16 1501 static uint32_t bmap[INPUT_BUTTON__MAX] = {
c751a74a
GH		 1502 [INPUT_BUTTON_LEFT] = MOUSE_EVENT_LBUTTON,
1503 [INPUT_BUTTON_MIDDLE] = MOUSE_EVENT_MBUTTON,
1504 [INPUT_BUTTON_RIGHT] = MOUSE_EVENT_RBUTTON,
1505 };
d54908a5 1506 int button_state = qdict_get_int(qdict, "button_state");
c751a74a
GH		 1507
1508 if (mouse_button_state == button_state) {
1509 return;
1510 }
1511 qemu_input_update_buttons(NULL, bmap, mouse_button_state, button_state);
1512 qemu_input_event_sync();
13224a87 1513 mouse_button_state = button_state;
13224a87
FB		 1514}
1515
3e5a50d6 1516static void hmp_ioport_read(Monitor *mon, const QDict *qdict)
3440557b 1517{
aa93e39c
LC		 1518 int size = qdict_get_int(qdict, "size");
1519 int addr = qdict_get_int(qdict, "addr");
1520 int has_index = qdict_haskey(qdict, "index");
3440557b
FB		 1521 uint32_t val;
1522 int suffix;
1523
1524 if (has_index) {
aa93e39c 1525 int index = qdict_get_int(qdict, "index");
afcea8cb 1526 cpu_outb(addr & IOPORTS_MASK, index & 0xff);
3440557b
FB		 1527 addr++;
1528 }
1529 addr &= 0xffff;
1530
1531 switch(size) {
1532 default:
1533 case 1:
afcea8cb 1534 val = cpu_inb(addr);
3440557b
FB		 1535 suffix = 'b';
1536 break;
1537 case 2:
afcea8cb 1538 val = cpu_inw(addr);
3440557b
FB		 1539 suffix = 'w';
1540 break;
1541 case 4:
afcea8cb 1542 val = cpu_inl(addr);
3440557b
FB		 1543 suffix = 'l';
1544 break;
1545 }
376253ec
AL		 1546 monitor_printf(mon, "port%c[0x%04x] = %#0*x\n",
1547 suffix, addr, size * 2, val);
3440557b 1548}
a3a91a35 1549
3e5a50d6 1550static void hmp_ioport_write(Monitor *mon, const QDict *qdict)
f114784f 1551{
1bd1442e
LC		 1552 int size = qdict_get_int(qdict, "size");
1553 int addr = qdict_get_int(qdict, "addr");
1554 int val = qdict_get_int(qdict, "val");
1555
f114784f
JK		 1556 addr &= IOPORTS_MASK;
1557
1558 switch (size) {
1559 default:
1560 case 1:
afcea8cb 1561 cpu_outb(addr, val);
f114784f
JK		 1562 break;
1563 case 2:
afcea8cb 1564 cpu_outw(addr, val);
f114784f
JK		 1565 break;
1566 case 4:
afcea8cb 1567 cpu_outl(addr, val);
f114784f
JK		 1568 break;
1569 }
1570}
1571
3e5a50d6 1572static void hmp_boot_set(Monitor *mon, const QDict *qdict)
0ecdffbb 1573{
f1839938 1574 Error *local_err = NULL;
d54908a5 1575 const char *bootdevice = qdict_get_str(qdict, "bootdevice");
0ecdffbb 1576
f1839938
GA		 1577 qemu_boot_set(bootdevice, &local_err);
1578 if (local_err) {
193227f9 1579 error_report_err(local_err);
0ecdffbb 1580 } else {
f1839938 1581 monitor_printf(mon, "boot device list now set to %s\n", bootdevice);
0ecdffbb
AJ		 1582 }
1583}
1584
1ce6be24 1585static void hmp_info_mtree(Monitor *mon, const QDict *qdict)
314e2987 1586{
57bb40c9
PX		 1587 bool flatview = qdict_get_try_bool(qdict, "flatview", false);
1588
1589 mtree_info((fprintf_function)monitor_printf, mon, flatview);
314e2987
BS		 1590}
1591
1ce6be24 1592static void hmp_info_numa(Monitor *mon, const QDict *qdict)
030ea37b 1593{
b28b6230 1594 int i;
1b1ed8dc 1595 CPUState *cpu;
5b009e40 1596 uint64_t *node_mem;
030ea37b 1597
5b009e40
HZ		 1598 node_mem = g_new0(uint64_t, nb_numa_nodes);
1599 query_numa_node_mem(node_mem);
030ea37b
AL		 1600 monitor_printf(mon, "%d nodes\n", nb_numa_nodes);
1601 for (i = 0; i < nb_numa_nodes; i++) {
1602 monitor_printf(mon, "node %d cpus:", i);
bdc44640 1603 CPU_FOREACH(cpu) {
1b1ed8dc 1604 if (cpu->numa_node == i) {
55e5c285 1605 monitor_printf(mon, " %d", cpu->cpu_index);
030ea37b
AL		 1606 }
1607 }
1608 monitor_printf(mon, "\n");
1609 monitor_printf(mon, "node %d size: %" PRId64 " MB\n", i,
5b009e40 1610 node_mem[i] >> 20);
030ea37b 1611 }
5b009e40 1612 g_free(node_mem);
030ea37b
AL		 1613}
1614
5f1ce948
FB		 1615#ifdef CONFIG_PROFILER
1616
89d5cbdd 1617int64_t tcg_time;
e9a6625e
AJ		 1618int64_t dev_time;
1619
1ce6be24 1620static void hmp_info_profile(Monitor *mon, const QDict *qdict)
5f1ce948 1621{
376253ec 1622 monitor_printf(mon, "async time %" PRId64 " (%0.3f)\n",
73bcb24d 1623 dev_time, dev_time / (double)NANOSECONDS_PER_SECOND);
376253ec 1624 monitor_printf(mon, "qemu time %" PRId64 " (%0.3f)\n",
73bcb24d 1625 tcg_time, tcg_time / (double)NANOSECONDS_PER_SECOND);
89d5cbdd 1626 tcg_time = 0;
5f1ce948 1627 dev_time = 0;
5f1ce948
FB		 1628}
1629#else
1ce6be24 1630static void hmp_info_profile(Monitor *mon, const QDict *qdict)
5f1ce948 1631{
376253ec 1632 monitor_printf(mon, "Internal profiler not compiled\n");
5f1ce948
FB		 1633}
1634#endif
1635
ec36b695 1636/* Capture support */
72cf2d4f 1637static QLIST_HEAD (capture_list_head, CaptureState) capture_head;
ec36b695 1638
1ce6be24 1639static void hmp_info_capture(Monitor *mon, const QDict *qdict)
ec36b695
FB		 1640{
1641 int i;
1642 CaptureState *s;
1643
1644 for (s = capture_head.lh_first, i = 0; s; s = s->entries.le_next, ++i) {
376253ec 1645 monitor_printf(mon, "[%d]: ", i);
ec36b695
FB		 1646 s->ops.info (s->opaque);
1647 }
1648}
1649
3e5a50d6 1650static void hmp_stopcapture(Monitor *mon, const QDict *qdict)
ec36b695
FB		 1651{
1652 int i;
d54908a5 1653 int n = qdict_get_int(qdict, "n");
ec36b695
FB		 1654 CaptureState *s;
1655
1656 for (s = capture_head.lh_first, i = 0; s; s = s->entries.le_next, ++i) {
1657 if (i == n) {
1658 s->ops.destroy (s->opaque);
72cf2d4f 1659 QLIST_REMOVE (s, entries);
7267c094 1660 g_free (s);
ec36b695
FB		 1661 return;
1662 }
1663 }
1664}
1665
3e5a50d6 1666static void hmp_wavcapture(Monitor *mon, const QDict *qdict)
c1925484
LC		 1667{
1668 const char *path = qdict_get_str(qdict, "path");
1669 int has_freq = qdict_haskey(qdict, "freq");
1670 int freq = qdict_get_try_int(qdict, "freq", -1);
1671 int has_bits = qdict_haskey(qdict, "bits");
1672 int bits = qdict_get_try_int(qdict, "bits", -1);
1673 int has_channels = qdict_haskey(qdict, "nchannels");
1674 int nchannels = qdict_get_try_int(qdict, "nchannels", -1);
ec36b695
FB		 1675 CaptureState *s;
1676
7267c094 1677 s = g_malloc0 (sizeof (*s));
ec36b695
FB		 1678
1679 freq = has_freq ? freq : 44100;
1680 bits = has_bits ? bits : 16;
1681 nchannels = has_channels ? nchannels : 2;
1682
1683 if (wav_start_capture (s, path, freq, bits, nchannels)) {
d00b2618 1684 monitor_printf(mon, "Failed to add wave capture\n");
7267c094 1685 g_free (s);
d00b2618 1686 return;
ec36b695 1687 }
72cf2d4f 1688 QLIST_INSERT_HEAD (&capture_head, s, entries);
ec36b695 1689}
ec36b695 1690
15dfcd45 1691static qemu_acl *find_acl(Monitor *mon, const char *name)
76655d6d 1692{
15dfcd45 1693 qemu_acl *acl = qemu_acl_find(name);
76655d6d 1694
76655d6d 1695 if (!acl) {
15dfcd45 1696 monitor_printf(mon, "acl: unknown list '%s'\n", name);
76655d6d 1697 }
15dfcd45
JK		 1698 return acl;
1699}
1700
3e5a50d6 1701static void hmp_acl_show(Monitor *mon, const QDict *qdict)
15dfcd45 1702{
d54908a5 1703 const char *aclname = qdict_get_str(qdict, "aclname");
15dfcd45
JK		 1704 qemu_acl *acl = find_acl(mon, aclname);
1705 qemu_acl_entry *entry;
1706 int i = 0;
76655d6d 1707
15dfcd45 1708 if (acl) {
28a76be8 1709 monitor_printf(mon, "policy: %s\n",
76655d6d 1710 acl->defaultDeny ? "deny" : "allow");
72cf2d4f 1711 QTAILQ_FOREACH(entry, &acl->entries, next) {
28a76be8
AL		 1712 i++;
1713 monitor_printf(mon, "%d: %s %s\n", i,
15dfcd45 1714 entry->deny ? "deny" : "allow", entry->match);
28a76be8 1715 }
15dfcd45
JK		 1716 }
1717}
1718
3e5a50d6 1719static void hmp_acl_reset(Monitor *mon, const QDict *qdict)
15dfcd45 1720{
d54908a5 1721 const char *aclname = qdict_get_str(qdict, "aclname");
15dfcd45
JK		 1722 qemu_acl *acl = find_acl(mon, aclname);
1723
1724 if (acl) {
28a76be8
AL		 1725 qemu_acl_reset(acl);
1726 monitor_printf(mon, "acl: removed all rules\n");
15dfcd45
JK		 1727 }
1728}
1729
3e5a50d6 1730static void hmp_acl_policy(Monitor *mon, const QDict *qdict)
15dfcd45 1731{
f18c16de
LC		 1732 const char *aclname = qdict_get_str(qdict, "aclname");
1733 const char *policy = qdict_get_str(qdict, "policy");
15dfcd45 1734 qemu_acl *acl = find_acl(mon, aclname);
28a76be8 1735
15dfcd45
JK		 1736 if (acl) {
1737 if (strcmp(policy, "allow") == 0) {
28a76be8
AL		 1738 acl->defaultDeny = 0;
1739 monitor_printf(mon, "acl: policy set to 'allow'\n");
15dfcd45 1740 } else if (strcmp(policy, "deny") == 0) {
28a76be8
AL		 1741 acl->defaultDeny = 1;
1742 monitor_printf(mon, "acl: policy set to 'deny'\n");
1743 } else {
15dfcd45
JK		 1744 monitor_printf(mon, "acl: unknown policy '%s', "
1745 "expected 'deny' or 'allow'\n", policy);
28a76be8 1746 }
15dfcd45
JK		 1747 }
1748}
28a76be8 1749
3e5a50d6 1750static void hmp_acl_add(Monitor *mon, const QDict *qdict)
15dfcd45 1751{
1bd1442e
LC		 1752 const char *aclname = qdict_get_str(qdict, "aclname");
1753 const char *match = qdict_get_str(qdict, "match");
1754 const char *policy = qdict_get_str(qdict, "policy");
1755 int has_index = qdict_haskey(qdict, "index");
1756 int index = qdict_get_try_int(qdict, "index", -1);
15dfcd45
JK		 1757 qemu_acl *acl = find_acl(mon, aclname);
1758 int deny, ret;
1759
1760 if (acl) {
1761 if (strcmp(policy, "allow") == 0) {
1762 deny = 0;
1763 } else if (strcmp(policy, "deny") == 0) {
1764 deny = 1;
1765 } else {
1766 monitor_printf(mon, "acl: unknown policy '%s', "
1767 "expected 'deny' or 'allow'\n", policy);
28a76be8
AL		 1768 return;
1769 }
28a76be8
AL		 1770 if (has_index)
1771 ret = qemu_acl_insert(acl, deny, match, index);
1772 else
1773 ret = qemu_acl_append(acl, deny, match);
1774 if (ret < 0)
1775 monitor_printf(mon, "acl: unable to add acl entry\n");
1776 else
1777 monitor_printf(mon, "acl: added rule at position %d\n", ret);
15dfcd45
JK		 1778 }
1779}
28a76be8 1780
3e5a50d6 1781static void hmp_acl_remove(Monitor *mon, const QDict *qdict)
15dfcd45 1782{
f18c16de
LC		 1783 const char *aclname = qdict_get_str(qdict, "aclname");
1784 const char *match = qdict_get_str(qdict, "match");
15dfcd45
JK		 1785 qemu_acl *acl = find_acl(mon, aclname);
1786 int ret;
28a76be8 1787
15dfcd45 1788 if (acl) {
28a76be8
AL		 1789 ret = qemu_acl_remove(acl, match);
1790 if (ret < 0)
1791 monitor_printf(mon, "acl: no matching acl entry\n");
1792 else
1793 monitor_printf(mon, "acl: removed rule at position %d\n", ret);
76655d6d
AL		 1794 }
1795}
1796
208c9d1b 1797void qmp_getfd(const char *fdname, Error **errp)
f07918fd 1798{
c227f099 1799 mon_fd_t *monfd;
f07918fd
MM		 1800 int fd;
1801
5345fdb4 1802 fd = qemu_chr_fe_get_msgfd(&cur_mon->chr);
f07918fd 1803 if (fd == -1) {
c6bd8c70 1804 error_setg(errp, QERR_FD_NOT_SUPPLIED);
208c9d1b 1805 return;
f07918fd
MM		 1806 }
1807
1808 if (qemu_isdigit(fdname[0])) {
0b9f0e2f 1809 close(fd);
c6bd8c70
MA		 1810 error_setg(errp, QERR_INVALID_PARAMETER_VALUE, "fdname",
1811 "a name not starting with a digit");
208c9d1b 1812 return;
f07918fd
MM		 1813 }
1814
208c9d1b 1815 QLIST_FOREACH(monfd, &cur_mon->fds, next) {
f07918fd
MM		 1816 if (strcmp(monfd->name, fdname) != 0) {
1817 continue;
1818 }
1819
1820 close(monfd->fd);
1821 monfd->fd = fd;
208c9d1b 1822 return;
f07918fd
MM		 1823 }
1824
7267c094
AL		 1825 monfd = g_malloc0(sizeof(mon_fd_t));
1826 monfd->name = g_strdup(fdname);
f07918fd
MM		 1827 monfd->fd = fd;
1828
208c9d1b 1829 QLIST_INSERT_HEAD(&cur_mon->fds, monfd, next);
f07918fd
MM		 1830}
1831
208c9d1b 1832void qmp_closefd(const char *fdname, Error **errp)
f07918fd 1833{
c227f099 1834 mon_fd_t *monfd;
f07918fd 1835
208c9d1b 1836 QLIST_FOREACH(monfd, &cur_mon->fds, next) {
f07918fd
MM		 1837 if (strcmp(monfd->name, fdname) != 0) {
1838 continue;
1839 }
1840
72cf2d4f 1841 QLIST_REMOVE(monfd, next);
f07918fd 1842 close(monfd->fd);
7267c094
AL		 1843 g_free(monfd->name);
1844 g_free(monfd);
208c9d1b 1845 return;
f07918fd
MM		 1846 }
1847
c6bd8c70 1848 error_setg(errp, QERR_FD_NOT_FOUND, fdname);
f07918fd
MM		 1849}
1850
3e5a50d6 1851static void hmp_loadvm(Monitor *mon, const QDict *qdict)
c8d41b2c 1852{
1354869c 1853 int saved_vm_running = runstate_is_running();
d54908a5 1854 const char *name = qdict_get_str(qdict, "name");
c8d41b2c 1855
0461d5a6 1856 vm_stop(RUN_STATE_RESTORE_VM);
c8d41b2c 1857
f0aa7a8b 1858 if (load_vmstate(name) == 0 && saved_vm_running) {
c8d41b2c 1859 vm_start();
f0aa7a8b 1860 }
c8d41b2c
JQ		 1861}
1862
a9940fc4 1863int monitor_get_fd(Monitor *mon, const char *fdname, Error **errp)
7768e04c 1864{
c227f099 1865 mon_fd_t *monfd;
7768e04c 1866
72cf2d4f 1867 QLIST_FOREACH(monfd, &mon->fds, next) {
7768e04c
MM		 1868 int fd;
1869
1870 if (strcmp(monfd->name, fdname) != 0) {
1871 continue;
1872 }
1873
1874 fd = monfd->fd;
1875
1876 /* caller takes ownership of fd */
72cf2d4f 1877 QLIST_REMOVE(monfd, next);
7267c094
AL		 1878 g_free(monfd->name);
1879 g_free(monfd);
7768e04c
MM		 1880
1881 return fd;
1882 }
1883
a9940fc4 1884 error_setg(errp, "File descriptor named '%s' has not been found", fdname);
7768e04c
MM		 1885 return -1;
1886}
1887
ba1c048a
CB		 1888static void monitor_fdset_cleanup(MonFdset *mon_fdset)
1889{
1890 MonFdsetFd *mon_fdset_fd;
1891 MonFdsetFd *mon_fdset_fd_next;
1892
1893 QLIST_FOREACH_SAFE(mon_fdset_fd, &mon_fdset->fds, next, mon_fdset_fd_next) {
ebe52b59
CB		 1894 if ((mon_fdset_fd->removed ||
1895 (QLIST_EMPTY(&mon_fdset->dup_fds) && mon_refcount == 0)) &&
1896 runstate_is_running()) {
ba1c048a
CB		 1897 close(mon_fdset_fd->fd);
1898 g_free(mon_fdset_fd->opaque);
1899 QLIST_REMOVE(mon_fdset_fd, next);
1900 g_free(mon_fdset_fd);
1901 }
1902 }
1903
adb696f3 1904 if (QLIST_EMPTY(&mon_fdset->fds) && QLIST_EMPTY(&mon_fdset->dup_fds)) {
ba1c048a
CB		 1905 QLIST_REMOVE(mon_fdset, next);
1906 g_free(mon_fdset);
1907 }
1908}
1909
efb87c16
CB		 1910static void monitor_fdsets_cleanup(void)
1911{
1912 MonFdset *mon_fdset;
1913 MonFdset *mon_fdset_next;
1914
1915 QLIST_FOREACH_SAFE(mon_fdset, &mon_fdsets, next, mon_fdset_next) {
1916 monitor_fdset_cleanup(mon_fdset);
1917 }
1918}
1919
ba1c048a
CB		 1920AddfdInfo *qmp_add_fd(bool has_fdset_id, int64_t fdset_id, bool has_opaque,
1921 const char *opaque, Error **errp)
1922{
1923 int fd;
1924 Monitor *mon = cur_mon;
ba1c048a
CB		 1925 AddfdInfo *fdinfo;
1926
5345fdb4 1927 fd = qemu_chr_fe_get_msgfd(&mon->chr);
ba1c048a 1928 if (fd == -1) {
c6bd8c70 1929 error_setg(errp, QERR_FD_NOT_SUPPLIED);
ba1c048a
CB		 1930 goto error;
1931 }
1932
e446f70d
CB		 1933 fdinfo = monitor_fdset_add_fd(fd, has_fdset_id, fdset_id,
1934 has_opaque, opaque, errp);
1935 if (fdinfo) {
1936 return fdinfo;
ba1c048a 1937 }
ba1c048a
CB		 1938
1939error:
1940 if (fd != -1) {
1941 close(fd);
1942 }
1943 return NULL;
1944}
1945
1946void qmp_remove_fd(int64_t fdset_id, bool has_fd, int64_t fd, Error **errp)
1947{
1948 MonFdset *mon_fdset;
1949 MonFdsetFd *mon_fdset_fd;
1950 char fd_str[60];
1951
1952 QLIST_FOREACH(mon_fdset, &mon_fdsets, next) {
1953 if (mon_fdset->id != fdset_id) {
1954 continue;
1955 }
1956 QLIST_FOREACH(mon_fdset_fd, &mon_fdset->fds, next) {
1957 if (has_fd) {
1958 if (mon_fdset_fd->fd != fd) {
1959 continue;
1960 }
1961 mon_fdset_fd->removed = true;
1962 break;
1963 } else {
1964 mon_fdset_fd->removed = true;
1965 }
1966 }
1967 if (has_fd && !mon_fdset_fd) {
1968 goto error;
1969 }
1970 monitor_fdset_cleanup(mon_fdset);
1971 return;
1972 }
1973
1974error:
1975 if (has_fd) {
1976 snprintf(fd_str, sizeof(fd_str), "fdset-id:%" PRId64 ", fd:%" PRId64,
1977 fdset_id, fd);
1978 } else {
1979 snprintf(fd_str, sizeof(fd_str), "fdset-id:%" PRId64, fdset_id);
1980 }
c6bd8c70 1981 error_setg(errp, QERR_FD_NOT_FOUND, fd_str);
ba1c048a
CB		 1982}
1983
1984FdsetInfoList *qmp_query_fdsets(Error **errp)
1985{
1986 MonFdset *mon_fdset;
1987 MonFdsetFd *mon_fdset_fd;
1988 FdsetInfoList *fdset_list = NULL;
1989
1990 QLIST_FOREACH(mon_fdset, &mon_fdsets, next) {
1991 FdsetInfoList *fdset_info = g_malloc0(sizeof(*fdset_info));
1992 FdsetFdInfoList *fdsetfd_list = NULL;
1993
1994 fdset_info->value = g_malloc0(sizeof(*fdset_info->value));
1995 fdset_info->value->fdset_id = mon_fdset->id;
1996
1997 QLIST_FOREACH(mon_fdset_fd, &mon_fdset->fds, next) {
1998 FdsetFdInfoList *fdsetfd_info;
1999
2000 fdsetfd_info = g_malloc0(sizeof(*fdsetfd_info));
2001 fdsetfd_info->value = g_malloc0(sizeof(*fdsetfd_info->value));
2002 fdsetfd_info->value->fd = mon_fdset_fd->fd;
2003 if (mon_fdset_fd->opaque) {
2004 fdsetfd_info->value->has_opaque = true;
2005 fdsetfd_info->value->opaque = g_strdup(mon_fdset_fd->opaque);
2006 } else {
2007 fdsetfd_info->value->has_opaque = false;
2008 }
2009
2010 fdsetfd_info->next = fdsetfd_list;
2011 fdsetfd_list = fdsetfd_info;
2012 }
2013
2014 fdset_info->value->fds = fdsetfd_list;
2015
2016 fdset_info->next = fdset_list;
2017 fdset_list = fdset_info;
2018 }
2019
2020 return fdset_list;
2021}
2022
e446f70d
CB		 2023AddfdInfo *monitor_fdset_add_fd(int fd, bool has_fdset_id, int64_t fdset_id,
2024 bool has_opaque, const char *opaque,
2025 Error **errp)
2026{
2027 MonFdset *mon_fdset = NULL;
2028 MonFdsetFd *mon_fdset_fd;
2029 AddfdInfo *fdinfo;
2030
2031 if (has_fdset_id) {
2032 QLIST_FOREACH(mon_fdset, &mon_fdsets, next) {
2033 /* Break if match found or match impossible due to ordering by ID */
2034 if (fdset_id <= mon_fdset->id) {
2035 if (fdset_id < mon_fdset->id) {
2036 mon_fdset = NULL;
2037 }
2038 break;
2039 }
2040 }
2041 }
2042
2043 if (mon_fdset == NULL) {
2044 int64_t fdset_id_prev = -1;
2045 MonFdset *mon_fdset_cur = QLIST_FIRST(&mon_fdsets);
2046
2047 if (has_fdset_id) {
2048 if (fdset_id < 0) {
c6bd8c70
MA		 2049 error_setg(errp, QERR_INVALID_PARAMETER_VALUE, "fdset-id",
2050 "a non-negative value");
e446f70d
CB		 2051 return NULL;
2052 }
2053 /* Use specified fdset ID */
2054 QLIST_FOREACH(mon_fdset, &mon_fdsets, next) {
2055 mon_fdset_cur = mon_fdset;
2056 if (fdset_id < mon_fdset_cur->id) {
2057 break;
2058 }
2059 }
2060 } else {
2061 /* Use first available fdset ID */
2062 QLIST_FOREACH(mon_fdset, &mon_fdsets, next) {
2063 mon_fdset_cur = mon_fdset;
2064 if (fdset_id_prev == mon_fdset_cur->id - 1) {
2065 fdset_id_prev = mon_fdset_cur->id;
2066 continue;
2067 }
2068 break;
2069 }
2070 }
2071
2072 mon_fdset = g_malloc0(sizeof(*mon_fdset));
2073 if (has_fdset_id) {
2074 mon_fdset->id = fdset_id;
2075 } else {
2076 mon_fdset->id = fdset_id_prev + 1;
2077 }
2078
2079 /* The fdset list is ordered by fdset ID */
2080 if (!mon_fdset_cur) {
2081 QLIST_INSERT_HEAD(&mon_fdsets, mon_fdset, next);
2082 } else if (mon_fdset->id < mon_fdset_cur->id) {
2083 QLIST_INSERT_BEFORE(mon_fdset_cur, mon_fdset, next);
2084 } else {
2085 QLIST_INSERT_AFTER(mon_fdset_cur, mon_fdset, next);
2086 }
2087 }
2088
2089 mon_fdset_fd = g_malloc0(sizeof(*mon_fdset_fd));
2090 mon_fdset_fd->fd = fd;
2091 mon_fdset_fd->removed = false;
2092 if (has_opaque) {
2093 mon_fdset_fd->opaque = g_strdup(opaque);
2094 }
2095 QLIST_INSERT_HEAD(&mon_fdset->fds, mon_fdset_fd, next);
2096
2097 fdinfo = g_malloc0(sizeof(*fdinfo));
2098 fdinfo->fdset_id = mon_fdset->id;
2099 fdinfo->fd = mon_fdset_fd->fd;
2100
2101 return fdinfo;
2102}
2103
adb696f3
CB		 2104int monitor_fdset_get_fd(int64_t fdset_id, int flags)
2105{
b2dc64c3 2106#ifndef _WIN32
adb696f3
CB		 2107 MonFdset *mon_fdset;
2108 MonFdsetFd *mon_fdset_fd;
2109 int mon_fd_flags;
2110
adb696f3
CB		 2111 QLIST_FOREACH(mon_fdset, &mon_fdsets, next) {
2112 if (mon_fdset->id != fdset_id) {
2113 continue;
2114 }
2115 QLIST_FOREACH(mon_fdset_fd, &mon_fdset->fds, next) {
2116 mon_fd_flags = fcntl(mon_fdset_fd->fd, F_GETFL);
2117 if (mon_fd_flags == -1) {
2118 return -1;
2119 }
2120
2121 if ((flags & O_ACCMODE) == (mon_fd_flags & O_ACCMODE)) {
2122 return mon_fdset_fd->fd;
2123 }
2124 }
2125 errno = EACCES;
2126 return -1;
2127 }
2128#endif
2129
2130 errno = ENOENT;
2131 return -1;
2132}
2133
2134int monitor_fdset_dup_fd_add(int64_t fdset_id, int dup_fd)
2135{
2136 MonFdset *mon_fdset;
2137 MonFdsetFd *mon_fdset_fd_dup;
2138
2139 QLIST_FOREACH(mon_fdset, &mon_fdsets, next) {
2140 if (mon_fdset->id != fdset_id) {
2141 continue;
2142 }
2143 QLIST_FOREACH(mon_fdset_fd_dup, &mon_fdset->dup_fds, next) {
2144 if (mon_fdset_fd_dup->fd == dup_fd) {
2145 return -1;
2146 }
2147 }
2148 mon_fdset_fd_dup = g_malloc0(sizeof(*mon_fdset_fd_dup));
2149 mon_fdset_fd_dup->fd = dup_fd;
2150 QLIST_INSERT_HEAD(&mon_fdset->dup_fds, mon_fdset_fd_dup, next);
2151 return 0;
2152 }
2153 return -1;
2154}
2155
2156static int monitor_fdset_dup_fd_find_remove(int dup_fd, bool remove)
2157{
2158 MonFdset *mon_fdset;
2159 MonFdsetFd *mon_fdset_fd_dup;
2160
2161 QLIST_FOREACH(mon_fdset, &mon_fdsets, next) {
2162 QLIST_FOREACH(mon_fdset_fd_dup, &mon_fdset->dup_fds, next) {
2163 if (mon_fdset_fd_dup->fd == dup_fd) {
2164 if (remove) {
2165 QLIST_REMOVE(mon_fdset_fd_dup, next);
2166 if (QLIST_EMPTY(&mon_fdset->dup_fds)) {
2167 monitor_fdset_cleanup(mon_fdset);
2168 }
b3dd1b8c
MT		 2169 return -1;
2170 } else {
2171 return mon_fdset->id;
adb696f3 2172 }
adb696f3
CB		 2173 }
2174 }
2175 }
2176 return -1;
2177}
2178
2179int monitor_fdset_dup_fd_find(int dup_fd)
2180{
2181 return monitor_fdset_dup_fd_find_remove(dup_fd, false);
2182}
2183
b3dd1b8c 2184void monitor_fdset_dup_fd_remove(int dup_fd)
adb696f3 2185{
b3dd1b8c 2186 monitor_fdset_dup_fd_find_remove(dup_fd, true);
adb696f3
CB		 2187}
2188
1677f4c6 2189int monitor_fd_param(Monitor *mon, const char *fdname, Error **errp)
5906366e
LE		 2190{
2191 int fd;
2192 Error *local_err = NULL;
a96ed02f 2193
5906366e 2194 if (!qemu_isdigit(fdname[0]) && mon) {
a9940fc4 2195 fd = monitor_get_fd(mon, fdname, &local_err);
5906366e
LE		 2196 } else {
2197 fd = qemu_parse_fd(fdname);
a96ed02f 2198 if (fd == -1) {
5906366e
LE		 2199 error_setg(&local_err, "Invalid file descriptor number '%s'",
2200 fdname);
a96ed02f 2201 }
5906366e
LE		 2202 }
2203 if (local_err) {
2204 error_propagate(errp, local_err);
2205 assert(fd == -1);
a96ed02f 2206 } else {
5906366e 2207 assert(fd != -1);
a96ed02f
NB		 2208 }
2209
2210 return fd;
2211}
2212
acd0a093 2213/* Please update hmp-commands.hx when adding or changing commands */
816f8925 2214static mon_cmd_t info_cmds[] = {
da76ee76
PB		 2215#include "hmp-commands-info.h"
2216 { NULL, NULL, },
9dc39cba
FB		 2217};
2218
a13ced59
WX		 2219/* mon_cmds and info_cmds would be sorted at runtime */
2220static mon_cmd_t mon_cmds[] = {
2221#include "hmp-commands.h"
2222 { NULL, NULL, },
2223};
2224
9307c4c1
FB		 2225/*******************************************************************/
2226
2227static const char *pch;
6ab7e546 2228static sigjmp_buf expr_env;
9307c4c1 2229
9307c4c1 2230
9c3175cc
SW		 2231static void GCC_FMT_ATTR(2, 3) QEMU_NORETURN
2232expr_error(Monitor *mon, const char *fmt, ...)
9dc39cba 2233{
277acfe8
FZ		 2234 va_list ap;
2235 va_start(ap, fmt);
2236 monitor_vprintf(mon, fmt, ap);
2237 monitor_printf(mon, "\n");
2238 va_end(ap);
6ab7e546 2239 siglongjmp(expr_env, 1);
9307c4c1
FB		 2240}
2241
09b9418c 2242/* return 0 if OK, -1 if not found */
92a31b1f 2243static int get_monitor_def(target_long *pval, const char *name)
9307c4c1 2244{
bf957284 2245 const MonitorDef *md = target_monitor_defs();
854e67fe 2246 CPUState *cs = mon_get_cpu();
92a31b1f 2247 void *ptr;
0a9516c2
AK		 2248 uint64_t tmp = 0;
2249 int ret;
92a31b1f 2250
854e67fe 2251 if (cs == NULL || md == NULL) {
bf957284
PB		 2252 return -1;
2253 }
2254
2255 for(; md->name != NULL; md++) {
9307c4c1
FB		 2256 if (compare_cmd(name, md->name)) {
2257 if (md->get_value) {
e95c8d51 2258 *pval = md->get_value(md, md->offset);
9307c4c1 2259 } else {
5bcda5f7 2260 CPUArchState *env = mon_get_cpu_env();
6a00d601 2261 ptr = (uint8_t *)env + md->offset;
92a31b1f
FB		 2262 switch(md->type) {
2263 case MD_I32:
2264 *pval = *(int32_t *)ptr;
2265 break;
2266 case MD_TLONG:
2267 *pval = *(target_long *)ptr;
2268 break;
2269 default:
2270 *pval = 0;
2271 break;
2272 }
9307c4c1
FB		 2273 }
2274 return 0;
2275 }
2276 }
0a9516c2 2277
854e67fe 2278 ret = target_get_monitor_def(cs, name, &tmp);
0a9516c2
AK		 2279 if (!ret) {
2280 *pval = (target_long) tmp;
2281 }
2282
2283 return ret;
9307c4c1
FB		 2284}
2285
2286static void next(void)
2287{
660f11be 2288 if (*pch != '\0') {
9307c4c1 2289 pch++;
cd390083 2290 while (qemu_isspace(*pch))
9307c4c1
FB		 2291 pch++;
2292 }
2293}
2294
376253ec 2295static int64_t expr_sum(Monitor *mon);
9307c4c1 2296
376253ec 2297static int64_t expr_unary(Monitor *mon)
9307c4c1 2298{
c2efc95d 2299 int64_t n;
9307c4c1 2300 char *p;
6a00d601 2301 int ret;
9307c4c1
FB		 2302
2303 switch(*pch) {
2304 case '+':
2305 next();
376253ec 2306 n = expr_unary(mon);
9307c4c1
FB		 2307 break;
2308 case '-':
2309 next();
376253ec 2310 n = -expr_unary(mon);
9307c4c1
FB		 2311 break;
2312 case '~':
2313 next();
376253ec 2314 n = ~expr_unary(mon);
9307c4c1
FB		 2315 break;
2316 case '(':
2317 next();
376253ec 2318 n = expr_sum(mon);
9307c4c1 2319 if (*pch != ')') {
376253ec 2320 expr_error(mon, "')' expected");
9307c4c1
FB		 2321 }
2322 next();
2323 break;
81d0912d
FB		 2324 case '\'':
2325 pch++;
2326 if (*pch == '\0')
376253ec 2327 expr_error(mon, "character constant expected");
81d0912d
FB		 2328 n = *pch;
2329 pch++;
2330 if (*pch != '\'')
376253ec 2331 expr_error(mon, "missing terminating \' character");
81d0912d
FB		 2332 next();
2333 break;
9307c4c1
FB		 2334 case '$':
2335 {
2336 char buf[128], *q;
69b34976 2337 target_long reg=0;
3b46e624 2338
9307c4c1
FB		 2339 pch++;
2340 q = buf;
2341 while ((*pch >= 'a' && *pch <= 'z') ||
2342 (*pch >= 'A' && *pch <= 'Z') ||
2343 (*pch >= '0' && *pch <= '9') ||
57206fd4 2344 *pch == '_' || *pch == '.') {
9307c4c1
FB		 2345 if ((q - buf) < sizeof(buf) - 1)
2346 *q++ = *pch;
2347 pch++;
2348 }
cd390083 2349 while (qemu_isspace(*pch))
9307c4c1
FB		 2350 pch++;
2351 *q = 0;
7743e588 2352 ret = get_monitor_def(&reg, buf);
09b9418c 2353 if (ret < 0)
376253ec 2354 expr_error(mon, "unknown register");
7743e588 2355 n = reg;
9307c4c1
FB		 2356 }
2357 break;
2358 case '\0':
376253ec 2359 expr_error(mon, "unexpected end of expression");
9307c4c1
FB		 2360 n = 0;
2361 break;
2362 default:
6b0e33be 2363 errno = 0;
4f4fbf77 2364 n = strtoull(pch, &p, 0);
6b0e33be
LC		 2365 if (errno == ERANGE) {
2366 expr_error(mon, "number too large");
2367 }
9307c4c1 2368 if (pch == p) {
277acfe8 2369 expr_error(mon, "invalid char '%c' in expression", *p);
9307c4c1
FB		 2370 }
2371 pch = p;
cd390083 2372 while (qemu_isspace(*pch))
9307c4c1
FB		 2373 pch++;
2374 break;
2375 }
2376 return n;
2377}
2378
2379
376253ec 2380static int64_t expr_prod(Monitor *mon)
9307c4c1 2381{
c2efc95d 2382 int64_t val, val2;
92a31b1f 2383 int op;
3b46e624 2384
376253ec 2385 val = expr_unary(mon);
9307c4c1
FB		 2386 for(;;) {
2387 op = *pch;
2388 if (op != '*' && op != '/' && op != '%')
2389 break;
2390 next();
376253ec 2391 val2 = expr_unary(mon);
9307c4c1
FB		 2392 switch(op) {
2393 default:
2394 case '*':
2395 val *= val2;
2396 break;
2397 case '/':
2398 case '%':
5fafdf24 2399 if (val2 == 0)
376253ec 2400 expr_error(mon, "division by zero");
9307c4c1
FB		 2401 if (op == '/')
2402 val /= val2;
2403 else
2404 val %= val2;
2405 break;
2406 }
2407 }
2408 return val;
2409}
2410
376253ec 2411static int64_t expr_logic(Monitor *mon)
9307c4c1 2412{
c2efc95d 2413 int64_t val, val2;
92a31b1f 2414 int op;
9307c4c1 2415
376253ec 2416 val = expr_prod(mon);
9307c4c1
FB		 2417 for(;;) {
2418 op = *pch;
2419 if (op != '&' && op != '|' && op != '^')
2420 break;
2421 next();
376253ec 2422 val2 = expr_prod(mon);
9307c4c1
FB		 2423 switch(op) {
2424 default:
2425 case '&':
2426 val &= val2;
2427 break;
2428 case '|':
2429 val |= val2;
2430 break;
2431 case '^':
2432 val ^= val2;
2433 break;
2434 }
2435 }
2436 return val;
2437}
2438
376253ec 2439static int64_t expr_sum(Monitor *mon)
9307c4c1 2440{
c2efc95d 2441 int64_t val, val2;
92a31b1f 2442 int op;
9307c4c1 2443
376253ec 2444 val = expr_logic(mon);
9307c4c1
FB		 2445 for(;;) {
2446 op = *pch;
2447 if (op != '+' && op != '-')
2448 break;
2449 next();
376253ec 2450 val2 = expr_logic(mon);
9307c4c1
FB		 2451 if (op == '+')
2452 val += val2;
2453 else
2454 val -= val2;
2455 }
2456 return val;
2457}
2458
376253ec 2459static int get_expr(Monitor *mon, int64_t *pval, const char **pp)
9307c4c1
FB		 2460{
2461 pch = *pp;
6ab7e546 2462 if (sigsetjmp(expr_env, 0)) {
9307c4c1
FB		 2463 *pp = pch;
2464 return -1;
2465 }
cd390083 2466 while (qemu_isspace(*pch))
9307c4c1 2467 pch++;
376253ec 2468 *pval = expr_sum(mon);
9307c4c1
FB		 2469 *pp = pch;
2470 return 0;
2471}
2472
3350a4dd
MA		 2473static int get_double(Monitor *mon, double *pval, const char **pp)
2474{
2475 const char *p = *pp;
2476 char *tailp;
2477 double d;
2478
2479 d = strtod(p, &tailp);
2480 if (tailp == p) {
2481 monitor_printf(mon, "Number expected\n");
2482 return -1;
2483 }
2484 if (d != d || d - d != 0) {
2485 /* NaN or infinity */
2486 monitor_printf(mon, "Bad number\n");
2487 return -1;
2488 }
2489 *pval = d;
2490 *pp = tailp;
2491 return 0;
2492}
2493
4590fd80
LC		 2494/*
2495 * Store the command-name in cmdname, and return a pointer to
2496 * the remaining of the command string.
2497 */
2498static const char *get_command_name(const char *cmdline,
2499 char *cmdname, size_t nlen)
2500{
2501 size_t len;
2502 const char *p, *pstart;
2503
2504 p = cmdline;
2505 while (qemu_isspace(*p))
2506 p++;
2507 if (*p == '\0')
2508 return NULL;
2509 pstart = p;
2510 while (*p != '\0' && *p != '/' && !qemu_isspace(*p))
2511 p++;
2512 len = p - pstart;
2513 if (len > nlen - 1)
2514 len = nlen - 1;
2515 memcpy(cmdname, pstart, len);
2516 cmdname[len] = '\0';
2517 return p;
2518}
2519
4d76d2ba
LC		 2520/**
2521 * Read key of 'type' into 'key' and return the current
2522 * 'type' pointer.
2523 */
2524static char *key_get_info(const char *type, char **key)
2525{
2526 size_t len;
2527 char *p, *str;
2528
2529 if (*type == ',')
2530 type++;
2531
2532 p = strchr(type, ':');
2533 if (!p) {
2534 *key = NULL;
2535 return NULL;
2536 }
2537 len = p - type;
2538
7267c094 2539 str = g_malloc(len + 1);
4d76d2ba
LC		 2540 memcpy(str, type, len);
2541 str[len] = '\0';
2542
2543 *key = str;
2544 return ++p;
2545}
2546
9307c4c1
FB		 2547static int default_fmt_format = 'x';
2548static int default_fmt_size = 4;
2549
fbc3d96c
LS		 2550static int is_valid_option(const char *c, const char *typestr)
2551{
2552 char option[3];
2553
2554 option[0] = '-';
2555 option[1] = *c;
2556 option[2] = '\0';
2557
2558 typestr = strstr(typestr, option);
2559 return (typestr != NULL);
2560}
2561
945c5ac8
LC		 2562static const mon_cmd_t *search_dispatch_table(const mon_cmd_t *disp_table,
2563 const char *cmdname)
7fd669a1
LC		 2564{
2565 const mon_cmd_t *cmd;
2566
945c5ac8 2567 for (cmd = disp_table; cmd->name != NULL; cmd++) {
7fd669a1
LC		 2568 if (compare_cmd(cmdname, cmd->name)) {
2569 return cmd;
2570 }
2571 }
2572
2573 return NULL;
2574}
2575
5f3d335f 2576/*
ae50212f
BD		 2577 * Parse command name from @cmdp according to command table @table.
2578 * If blank, return NULL.
2579 * Else, if no valid command can be found, report to @mon, and return
2580 * NULL.
2581 * Else, change @cmdp to point right behind the name, and return its
2582 * command table entry.
2583 * Do not assume the return value points into @table! It doesn't when
2584 * the command is found in a sub-command table.
5f3d335f 2585 */
c227f099 2586static const mon_cmd_t *monitor_parse_command(Monitor *mon,
ae50212f
BD		 2587 const char **cmdp,
2588 mon_cmd_t *table)
9307c4c1 2589{
ae50212f 2590 const char *p;
c227f099 2591 const mon_cmd_t *cmd;
9307c4c1 2592 char cmdname[256];
9dc39cba 2593
9307c4c1 2594 /* extract the command name */
ae50212f 2595 p = get_command_name(*cmdp, cmdname, sizeof(cmdname));
4590fd80 2596 if (!p)
55f81d96 2597 return NULL;
3b46e624 2598
5f3d335f 2599 cmd = search_dispatch_table(table, cmdname);
7fd669a1 2600 if (!cmd) {
5f3d335f 2601 monitor_printf(mon, "unknown command: '%.*s'\n",
ae50212f 2602 (int)(p - *cmdp), *cmdp);
55f81d96 2603 return NULL;
9307c4c1 2604 }
9307c4c1 2605
5f3d335f
WX		 2606 /* filter out following useless space */
2607 while (qemu_isspace(*p)) {
2608 p++;
2609 }
ae50212f
BD		 2610
2611 *cmdp = p;
5f3d335f 2612 /* search sub command */
ae50212f
BD		 2613 if (cmd->sub_table != NULL && *p != '\0') {
2614 return monitor_parse_command(mon, cmdp, cmd->sub_table);
5f3d335f
WX		 2615 }
2616
ae50212f
BD		 2617 return cmd;
2618}
2619
2620/*
2621 * Parse arguments for @cmd.
2622 * If it can't be parsed, report to @mon, and return NULL.
2623 * Else, insert command arguments into a QDict, and return it.
2624 * Note: On success, caller has to free the QDict structure.
2625 */
2626
2627static QDict *monitor_parse_arguments(Monitor *mon,
2628 const char **endp,
2629 const mon_cmd_t *cmd)
2630{
2631 const char *typestr;
2632 char *key;
2633 int c;
2634 const char *p = *endp;
2635 char buf[1024];
2636 QDict *qdict = qdict_new();
2637
9307c4c1
FB		 2638 /* parse the parameters */
2639 typestr = cmd->args_type;
9dc39cba 2640 for(;;) {
4d76d2ba
LC		 2641 typestr = key_get_info(typestr, &key);
2642 if (!typestr)
9dc39cba 2643 break;
4d76d2ba 2644 c = *typestr;
9307c4c1
FB		 2645 typestr++;
2646 switch(c) {
2647 case 'F':
81d0912d 2648 case 'B':
9307c4c1
FB		 2649 case 's':
2650 {
2651 int ret;
3b46e624 2652
cd390083 2653 while (qemu_isspace(*p))
9307c4c1
FB		 2654 p++;
2655 if (*typestr == '?') {
2656 typestr++;
2657 if (*p == '\0') {
2658 /* no optional string: NULL argument */
53773581 2659 break;
9307c4c1
FB		 2660 }
2661 }
2662 ret = get_str(buf, sizeof(buf), &p);
2663 if (ret < 0) {
81d0912d
FB		 2664 switch(c) {
2665 case 'F':
376253ec 2666 monitor_printf(mon, "%s: filename expected\n",
ae50212f 2667 cmd->name);
81d0912d
FB		 2668 break;
2669 case 'B':
376253ec 2670 monitor_printf(mon, "%s: block device name expected\n",
ae50212f 2671 cmd->name);
81d0912d
FB		 2672 break;
2673 default:
ae50212f 2674 monitor_printf(mon, "%s: string expected\n", cmd->name);
81d0912d
FB		 2675 break;
2676 }
9307c4c1
FB		 2677 goto fail;
2678 }
e59084b5 2679 qdict_put_str(qdict, key, buf);
9307c4c1 2680 }
9dc39cba 2681 break;
361127df
MA		 2682 case 'O':
2683 {
2684 QemuOptsList *opts_list;
2685 QemuOpts *opts;
2686
2687 opts_list = qemu_find_opts(key);
2688 if (!opts_list || opts_list->desc->name) {
2689 goto bad_type;
2690 }
2691 while (qemu_isspace(*p)) {
2692 p++;
2693 }
2694 if (!*p)
2695 break;
2696 if (get_str(buf, sizeof(buf), &p) < 0) {
2697 goto fail;
2698 }
70b94331 2699 opts = qemu_opts_parse_noisily(opts_list, buf, true);
361127df
MA		 2700 if (!opts) {
2701 goto fail;
2702 }
2703 qemu_opts_to_qdict(opts, qdict);
2704 qemu_opts_del(opts);
2705 }
2706 break;
9307c4c1
FB		 2707 case '/':
2708 {
2709 int count, format, size;
3b46e624 2710
cd390083 2711 while (qemu_isspace(*p))
9307c4c1
FB		 2712 p++;
2713 if (*p == '/') {
2714 /* format found */
2715 p++;
2716 count = 1;
cd390083 2717 if (qemu_isdigit(*p)) {
9307c4c1 2718 count = 0;
cd390083 2719 while (qemu_isdigit(*p)) {
9307c4c1
FB		 2720 count = count * 10 + (*p - '0');
2721 p++;
2722 }
2723 }
2724 size = -1;
2725 format = -1;
2726 for(;;) {
2727 switch(*p) {
2728 case 'o':
2729 case 'd':
2730 case 'u':
2731 case 'x':
2732 case 'i':
2733 case 'c':
2734 format = *p++;
2735 break;
2736 case 'b':
2737 size = 1;
2738 p++;
2739 break;
2740 case 'h':
2741 size = 2;
2742 p++;
2743 break;
2744 case 'w':
2745 size = 4;
2746 p++;
2747 break;
2748 case 'g':
2749 case 'L':
2750 size = 8;
2751 p++;
2752 break;
2753 default:
2754 goto next;
2755 }
2756 }
2757 next:
cd390083 2758 if (*p != '\0' && !qemu_isspace(*p)) {
376253ec
AL		 2759 monitor_printf(mon, "invalid char in format: '%c'\n",
2760 *p);
9307c4c1
FB		 2761 goto fail;
2762 }
9307c4c1
FB		 2763 if (format < 0)
2764 format = default_fmt_format;
4c27ba27
FB		 2765 if (format != 'i') {
2766 /* for 'i', not specifying a size gives -1 as size */
2767 if (size < 0)
2768 size = default_fmt_size;
e90f009b 2769 default_fmt_size = size;
4c27ba27 2770 }
9307c4c1
FB		 2771 default_fmt_format = format;
2772 } else {
2773 count = 1;
2774 format = default_fmt_format;
4c27ba27
FB		 2775 if (format != 'i') {
2776 size = default_fmt_size;
2777 } else {
2778 size = -1;
2779 }
9307c4c1 2780 }
e59084b5
EB		 2781 qdict_put_int(qdict, "count", count);
2782 qdict_put_int(qdict, "format", format);
2783 qdict_put_int(qdict, "size", size);
9307c4c1 2784 }
9dc39cba 2785 break;
9307c4c1 2786 case 'i':
92a31b1f 2787 case 'l':
b6e098d7 2788 case 'M':
9307c4c1 2789 {
c2efc95d 2790 int64_t val;
7743e588 2791
cd390083 2792 while (qemu_isspace(*p))
9307c4c1 2793 p++;
3440557b 2794 if (*typestr == '?' || *typestr == '.') {
3440557b 2795 if (*typestr == '?') {
53773581
LC		 2796 if (*p == '\0') {
2797 typestr++;
2798 break;
2799 }
3440557b
FB		 2800 } else {
2801 if (*p == '.') {
2802 p++;
cd390083 2803 while (qemu_isspace(*p))
3440557b 2804 p++;
3440557b 2805 } else {
53773581
LC		 2806 typestr++;
2807 break;
3440557b
FB		 2808 }
2809 }
13224a87 2810 typestr++;
9307c4c1 2811 }
376253ec 2812 if (get_expr(mon, &val, &p))
9307c4c1 2813 goto fail;
675ebef9
LC		 2814 /* Check if 'i' is greater than 32-bit */
2815 if ((c == 'i') && ((val >> 32) & 0xffffffff)) {
ae50212f 2816 monitor_printf(mon, "\'%s\' has failed: ", cmd->name);
675ebef9
LC		 2817 monitor_printf(mon, "integer is for 32-bit values\n");
2818 goto fail;
b6e098d7 2819 } else if (c == 'M') {
91162849
LC		 2820 if (val < 0) {
2821 monitor_printf(mon, "enter a positive value\n");
2822 goto fail;
2823 }
b6e098d7 2824 val <<= 20;
675ebef9 2825 }
e59084b5 2826 qdict_put_int(qdict, key, val);
9307c4c1
FB		 2827 }
2828 break;
dbc0c67f
JS		 2829 case 'o':
2830 {
f17fd4fd 2831 int ret;
f46bfdbf 2832 uint64_t val;
dbc0c67f
JS		 2833 char *end;
2834
2835 while (qemu_isspace(*p)) {
2836 p++;
2837 }
2838 if (*typestr == '?') {
2839 typestr++;
2840 if (*p == '\0') {
2841 break;
2842 }
2843 }
f17fd4fd 2844 ret = qemu_strtosz_MiB(p, &end, &val);
f46bfdbf 2845 if (ret < 0 || val > INT64_MAX) {
dbc0c67f
JS		 2846 monitor_printf(mon, "invalid size\n");
2847 goto fail;
2848 }
e59084b5 2849 qdict_put_int(qdict, key, val);
dbc0c67f
JS		 2850 p = end;
2851 }
2852 break;
fccfb11e 2853 case 'T':
3350a4dd
MA		 2854 {
2855 double val;
2856
2857 while (qemu_isspace(*p))
2858 p++;
2859 if (*typestr == '?') {
2860 typestr++;
2861 if (*p == '\0') {
2862 break;
2863 }
2864 }
2865 if (get_double(mon, &val, &p) < 0) {
2866 goto fail;
2867 }
07de3e60 2868 if (p[0] && p[1] == 's') {
fccfb11e
MA		 2869 switch (*p) {
2870 case 'm':
2871 val /= 1e3; p += 2; break;
2872 case 'u':
2873 val /= 1e6; p += 2; break;
2874 case 'n':
2875 val /= 1e9; p += 2; break;
2876 }
2877 }
3350a4dd
MA		 2878 if (*p && !qemu_isspace(*p)) {
2879 monitor_printf(mon, "Unknown unit suffix\n");
2880 goto fail;
2881 }
2882 qdict_put(qdict, key, qfloat_from_double(val));
2883 }
2884 break;
942cd1f2
MA		 2885 case 'b':
2886 {
2887 const char *beg;
fc48ffc3 2888 bool val;
942cd1f2
MA		 2889
2890 while (qemu_isspace(*p)) {
2891 p++;
2892 }
2893 beg = p;
2894 while (qemu_isgraph(*p)) {
2895 p++;
2896 }
2897 if (p - beg == 2 && !memcmp(beg, "on", p - beg)) {
fc48ffc3 2898 val = true;
942cd1f2 2899 } else if (p - beg == 3 && !memcmp(beg, "off", p - beg)) {
fc48ffc3 2900 val = false;
942cd1f2
MA		 2901 } else {
2902 monitor_printf(mon, "Expected 'on' or 'off'\n");
2903 goto fail;
2904 }
e59084b5 2905 qdict_put_bool(qdict, key, val);
942cd1f2
MA		 2906 }
2907 break;
9307c4c1
FB		 2908 case '-':
2909 {
fbc3d96c 2910 const char *tmp = p;
eb159d13 2911 int skip_key = 0;
9307c4c1 2912 /* option */
3b46e624 2913
9307c4c1
FB		 2914 c = *typestr++;
2915 if (c == '\0')
2916 goto bad_type;
cd390083 2917 while (qemu_isspace(*p))
9307c4c1 2918 p++;
9307c4c1
FB		 2919 if (*p == '-') {
2920 p++;
fbc3d96c
LS		 2921 if(c != *p) {
2922 if(!is_valid_option(p, typestr)) {
2923
2924 monitor_printf(mon, "%s: unsupported option -%c\n",
ae50212f 2925 cmd->name, *p);
fbc3d96c
LS		 2926 goto fail;
2927 } else {
2928 skip_key = 1;
2929 }
2930 }
2931 if(skip_key) {
2932 p = tmp;
2933 } else {
eb159d13 2934 /* has option */
fbc3d96c 2935 p++;
e59084b5 2936 qdict_put_bool(qdict, key, true);
9307c4c1 2937 }
9307c4c1 2938 }
9307c4c1
FB		 2939 }
2940 break;
129be006
WX		 2941 case 'S':
2942 {
2943 /* package all remaining string */
2944 int len;
2945
2946 while (qemu_isspace(*p)) {
2947 p++;
2948 }
2949 if (*typestr == '?') {
2950 typestr++;
2951 if (*p == '\0') {
2952 /* no remaining string: NULL argument */
2953 break;
2954 }
2955 }
2956 len = strlen(p);
2957 if (len <= 0) {
2958 monitor_printf(mon, "%s: string expected\n",
ae50212f 2959 cmd->name);
e549d2aa 2960 goto fail;
129be006 2961 }
e59084b5 2962 qdict_put_str(qdict, key, p);
129be006
WX		 2963 p += len;
2964 }
2965 break;
9307c4c1
FB		 2966 default:
2967 bad_type:
ae50212f 2968 monitor_printf(mon, "%s: unknown type '%c'\n", cmd->name, c);
9307c4c1
FB		 2969 goto fail;
2970 }
7267c094 2971 g_free(key);
4d76d2ba 2972 key = NULL;
9dc39cba 2973 }
9307c4c1 2974 /* check that all arguments were parsed */
cd390083 2975 while (qemu_isspace(*p))
9307c4c1
FB		 2976 p++;
2977 if (*p != '\0') {
376253ec 2978 monitor_printf(mon, "%s: extraneous characters at the end of line\n",
ae50212f 2979 cmd->name);
9307c4c1 2980 goto fail;
9dc39cba 2981 }
9307c4c1 2982
ae50212f 2983 return qdict;
ac7531ec 2984
55f81d96 2985fail:
ae50212f 2986 QDECREF(qdict);
7267c094 2987 g_free(key);
55f81d96
LC		 2988 return NULL;
2989}
2990
7ef6cf63 2991static void handle_hmp_command(Monitor *mon, const char *cmdline)
55f81d96 2992{
55f81d96 2993 QDict *qdict;
c227f099 2994 const mon_cmd_t *cmd;
55f81d96 2995
ae50212f
BD		 2996 cmd = monitor_parse_command(mon, &cmdline, mon->cmd_table);
2997 if (!cmd) {
2998 return;
2999 }
55f81d96 3000
ae50212f
BD		 3001 qdict = monitor_parse_arguments(mon, &cmdline, cmd);
3002 if (!qdict) {
dd41eea7
BD		 3003 monitor_printf(mon, "Try \"help %s\" for more information\n",
3004 cmd->name);
ae50212f 3005 return;
55f81d96
LC		 3006 }
3007
2b9e3576 3008 cmd->cmd(mon, qdict);
f7188bbe 3009 QDECREF(qdict);
9dc39cba
FB		 3010}
3011
cd5c6bba 3012static void cmd_completion(Monitor *mon, const char *name, const char *list)
81d0912d
FB		 3013{
3014 const char *p, *pstart;
3015 char cmd[128];
3016 int len;
3017
3018 p = list;
3019 for(;;) {
3020 pstart = p;
3021 p = strchr(p, '|');
3022 if (!p)
3023 p = pstart + strlen(pstart);
3024 len = p - pstart;
3025 if (len > sizeof(cmd) - 2)
3026 len = sizeof(cmd) - 2;
3027 memcpy(cmd, pstart, len);
3028 cmd[len] = '\0';
3029 if (name[0] == '\0' || !strncmp(name, cmd, strlen(name))) {
cd5c6bba 3030 readline_add_completion(mon->rs, cmd);
81d0912d
FB		 3031 }
3032 if (*p == '\0')
3033 break;
3034 p++;
3035 }
3036}
3037
cb8f68b1 3038static void file_completion(Monitor *mon, const char *input)
81d0912d
FB		 3039{
3040 DIR *ffs;
3041 struct dirent *d;
3042 char path[1024];
3043 char file[1024], file_prefix[1024];
3044 int input_path_len;
3045 const char *p;
3046
5fafdf24 3047 p = strrchr(input, '/');
81d0912d
FB		 3048 if (!p) {
3049 input_path_len = 0;
3050 pstrcpy(file_prefix, sizeof(file_prefix), input);
363a37d5 3051 pstrcpy(path, sizeof(path), ".");
81d0912d
FB		 3052 } else {
3053 input_path_len = p - input + 1;
3054 memcpy(path, input, input_path_len);
3055 if (input_path_len > sizeof(path) - 1)
3056 input_path_len = sizeof(path) - 1;
3057 path[input_path_len] = '\0';
3058 pstrcpy(file_prefix, sizeof(file_prefix), p + 1);
3059 }
19f2db5c 3060
81d0912d
FB		 3061 ffs = opendir(path);
3062 if (!ffs)
3063 return;
3064 for(;;) {
3065 struct stat sb;
3066 d = readdir(ffs);
3067 if (!d)
3068 break;
46c7fc18
KK		 3069
3070 if (strcmp(d->d_name, ".") == 0 || strcmp(d->d_name, "..") == 0) {
3071 continue;
3072 }
3073
81d0912d
FB		 3074 if (strstart(d->d_name, file_prefix, NULL)) {
3075 memcpy(file, input, input_path_len);
363a37d5
BS		 3076 if (input_path_len < sizeof(file))
3077 pstrcpy(file + input_path_len, sizeof(file) - input_path_len,
3078 d->d_name);
81d0912d
FB		 3079 /* stat the file to find out if it's a directory.
3080 * In that case add a slash to speed up typing long paths
3081 */
c951d9a6 3082 if (stat(file, &sb) == 0 && S_ISDIR(sb.st_mode)) {
363a37d5 3083 pstrcat(file, sizeof(file), "/");
c951d9a6 3084 }
cb8f68b1 3085 readline_add_completion(mon->rs, file);
81d0912d
FB		 3086 }
3087 }
3088 closedir(ffs);
3089}
3090
4d76d2ba
LC		 3091static const char *next_arg_type(const char *typestr)
3092{
3093 const char *p = strchr(typestr, ':');
3094 return (p != NULL ? ++p : typestr);
3095}
3096
40d19394
HB		 3097static void add_completion_option(ReadLineState *rs, const char *str,
3098 const char *option)
3099{
3100 if (!str || !option) {
3101 return;
3102 }
3103 if (!strncmp(option, str, strlen(str))) {
3104 readline_add_completion(rs, option);
3105 }
3106}
3107
13e315da
HB		 3108void chardev_add_completion(ReadLineState *rs, int nb_args, const char *str)
3109{
3110 size_t len;
3111 ChardevBackendInfoList *list, *start;
3112
3113 if (nb_args != 2) {
3114 return;
3115 }
3116 len = strlen(str);
3117 readline_set_completion_index(rs, len);
3118
3119 start = list = qmp_query_chardev_backends(NULL);
3120 while (list) {
3121 const char *chr_name = list->value->name;
3122
3123 if (!strncmp(chr_name, str, len)) {
3124 readline_add_completion(rs, chr_name);
3125 }
3126 list = list->next;
3127 }
3128 qapi_free_ChardevBackendInfoList(start);
3129}
3130
b162b49a
HB		 3131void netdev_add_completion(ReadLineState *rs, int nb_args, const char *str)
3132{
3133 size_t len;
3134 int i;
3135
3136 if (nb_args != 2) {
3137 return;
3138 }
3139 len = strlen(str);
3140 readline_set_completion_index(rs, len);
f394b2e2
EB		 3141 for (i = 0; NetClientDriver_lookup[i]; i++) {
3142 add_completion_option(rs, str, NetClientDriver_lookup[i]);
b162b49a
HB		 3143 }
3144}
3145
2da1b3ab 3146void device_add_completion(ReadLineState *rs, int nb_args, const char *str)
992d3e64
HB		 3147{
3148 GSList *list, *elt;
3149 size_t len;
3150
2da1b3ab
HB		 3151 if (nb_args != 2) {
3152 return;
3153 }
3154
992d3e64
HB		 3155 len = strlen(str);
3156 readline_set_completion_index(rs, len);
3157 list = elt = object_class_get_list(TYPE_DEVICE, false);
3158 while (elt) {
3159 const char *name;
3160 DeviceClass *dc = OBJECT_CLASS_CHECK(DeviceClass, elt->data,
3161 TYPE_DEVICE);
3162 name = object_class_get_name(OBJECT_CLASS(dc));
2da1b3ab
HB		 3163
3164 if (!dc->cannot_instantiate_with_device_add_yet
3165 && !strncmp(name, str, len)) {
992d3e64
HB		 3166 readline_add_completion(rs, name);
3167 }
3168 elt = elt->next;
3169 }
3170 g_slist_free(list);
3171}
3172
bfa40f77 3173void object_add_completion(ReadLineState *rs, int nb_args, const char *str)
1094fd3a
HB		 3174{
3175 GSList *list, *elt;
3176 size_t len;
3177
bfa40f77
HB		 3178 if (nb_args != 2) {
3179 return;
3180 }
3181
1094fd3a
HB		 3182 len = strlen(str);
3183 readline_set_completion_index(rs, len);
3184 list = elt = object_class_get_list(TYPE_USER_CREATABLE, false);
3185 while (elt) {
3186 const char *name;
3187
3188 name = object_class_get_name(OBJECT_CLASS(elt->data));
3189 if (!strncmp(name, str, len) && strcmp(name, TYPE_USER_CREATABLE)) {
3190 readline_add_completion(rs, name);
3191 }
3192 elt = elt->next;
3193 }
3194 g_slist_free(list);
3195}
3196
6a1fa9f5
ZG		 3197static void peripheral_device_del_completion(ReadLineState *rs,
3198 const char *str, size_t len)
3199{
4cae4d5a
MA		 3200 Object *peripheral = container_get(qdev_get_machine(), "/peripheral");
3201 GSList *list, *item;
6a1fa9f5 3202
4cae4d5a
MA		 3203 list = qdev_build_hotpluggable_device_list(peripheral);
3204 if (!list) {
6a1fa9f5
ZG		 3205 return;
3206 }
3207
6a1fa9f5
ZG		 3208 for (item = list; item; item = g_slist_next(item)) {
3209 DeviceState *dev = item->data;
3210
3211 if (dev->id && !strncmp(str, dev->id, len)) {
3212 readline_add_completion(rs, dev->id);
3213 }
3214 }
3215
3216 g_slist_free(list);
3217}
3218
6297d9a2
HB		 3219void chardev_remove_completion(ReadLineState *rs, int nb_args, const char *str)
3220{
3221 size_t len;
3222 ChardevInfoList *list, *start;
3223
3224 if (nb_args != 2) {
3225 return;
3226 }
3227 len = strlen(str);
3228 readline_set_completion_index(rs, len);
3229
3230 start = list = qmp_query_chardev(NULL);
3231 while (list) {
3232 ChardevInfo *chr = list->value;
3233
3234 if (!strncmp(chr->label, str, len)) {
3235 readline_add_completion(rs, chr->label);
3236 }
3237 list = list->next;
3238 }
3239 qapi_free_ChardevInfoList(start);
3240}
3241
8e597779
HB		 3242static void ringbuf_completion(ReadLineState *rs, const char *str)
3243{
3244 size_t len;
3245 ChardevInfoList *list, *start;
3246
3247 len = strlen(str);
3248 readline_set_completion_index(rs, len);
3249
3250 start = list = qmp_query_chardev(NULL);
3251 while (list) {
3252 ChardevInfo *chr_info = list->value;
3253
3254 if (!strncmp(chr_info->label, str, len)) {
0ec7b3e7 3255 Chardev *chr = qemu_chr_find(chr_info->label);
777357d7 3256 if (chr && CHARDEV_IS_RINGBUF(chr)) {
8e597779
HB		 3257 readline_add_completion(rs, chr_info->label);
3258 }
3259 }
3260 list = list->next;
3261 }
3262 qapi_free_ChardevInfoList(start);
3263}
3264
8e597779
HB		 3265void ringbuf_write_completion(ReadLineState *rs, int nb_args, const char *str)
3266{
3267 if (nb_args != 2) {
3268 return;
3269 }
3270 ringbuf_completion(rs, str);
3271}
3272
2da1b3ab
HB		 3273void device_del_completion(ReadLineState *rs, int nb_args, const char *str)
3274{
3275 size_t len;
3276
3277 if (nb_args != 2) {
3278 return;
3279 }
3280
3281 len = strlen(str);
3282 readline_set_completion_index(rs, len);
6a1fa9f5 3283 peripheral_device_del_completion(rs, str, len);
2da1b3ab
HB		 3284}
3285
bfa40f77 3286void object_del_completion(ReadLineState *rs, int nb_args, const char *str)
b48fa074
HB		 3287{
3288 ObjectPropertyInfoList *list, *start;
3289 size_t len;
3290
bfa40f77
HB		 3291 if (nb_args != 2) {
3292 return;
3293 }
b48fa074
HB		 3294 len = strlen(str);
3295 readline_set_completion_index(rs, len);
3296
3297 start = list = qmp_qom_list("/objects", NULL);
3298 while (list) {
3299 ObjectPropertyInfo *info = list->value;
3300
3301 if (!strncmp(info->type, "child<", 5)
3302 && !strncmp(info->name, str, len)) {
3303 readline_add_completion(rs, info->name);
3304 }
3305 list = list->next;
3306 }
3307 qapi_free_ObjectPropertyInfoList(start);
3308}
3309
29136cd8
HB		 3310void sendkey_completion(ReadLineState *rs, int nb_args, const char *str)
3311{
3312 int i;
3313 char *sep;
3314 size_t len;
3315
3316 if (nb_args != 2) {
3317 return;
3318 }
3319 sep = strrchr(str, '-');
3320 if (sep) {
3321 str = sep + 1;
3322 }
3323 len = strlen(str);
3324 readline_set_completion_index(rs, len);
7fb1cf16 3325 for (i = 0; i < Q_KEY_CODE__MAX; i++) {
29136cd8
HB		 3326 if (!strncmp(str, QKeyCode_lookup[i], len)) {
3327 readline_add_completion(rs, QKeyCode_lookup[i]);
3328 }
3329 }
3330}
3331
40d19394
HB		 3332void set_link_completion(ReadLineState *rs, int nb_args, const char *str)
3333{
3334 size_t len;
3335
3336 len = strlen(str);
3337 readline_set_completion_index(rs, len);
3338 if (nb_args == 2) {
eaed483c 3339 NetClientState *ncs[MAX_QUEUE_NUM];
40d19394
HB		 3340 int count, i;
3341 count = qemu_find_net_clients_except(NULL, ncs,
f394b2e2 3342 NET_CLIENT_DRIVER_NONE,
eaed483c 3343 MAX_QUEUE_NUM);
bcfa4d60 3344 for (i = 0; i < MIN(count, MAX_QUEUE_NUM); i++) {
40d19394
HB		 3345 const char *name = ncs[i]->name;
3346 if (!strncmp(str, name, len)) {
3347 readline_add_completion(rs, name);
3348 }
3349 }
3350 } else if (nb_args == 3) {
3351 add_completion_option(rs, str, "on");
3352 add_completion_option(rs, str, "off");
3353 }
3354}
3355
11b389f2
HB		 3356void netdev_del_completion(ReadLineState *rs, int nb_args, const char *str)
3357{
3358 int len, count, i;
eaed483c 3359 NetClientState *ncs[MAX_QUEUE_NUM];
11b389f2
HB		 3360
3361 if (nb_args != 2) {
3362 return;
3363 }
3364
3365 len = strlen(str);
3366 readline_set_completion_index(rs, len);
f394b2e2 3367 count = qemu_find_net_clients_except(NULL, ncs, NET_CLIENT_DRIVER_NIC,
eaed483c 3368 MAX_QUEUE_NUM);
bcfa4d60 3369 for (i = 0; i < MIN(count, MAX_QUEUE_NUM); i++) {
11b389f2
HB		 3370 QemuOpts *opts;
3371 const char *name = ncs[i]->name;
3372 if (strncmp(str, name, len)) {
3373 continue;
3374 }
3375 opts = qemu_opts_find(qemu_find_opts_err("netdev", NULL), name);
3376 if (opts) {
3377 readline_add_completion(rs, name);
3378 }
3379 }
3380}
3381
bd71211d
LV		 3382void info_trace_events_completion(ReadLineState *rs, int nb_args, const char *str)
3383{
3384 size_t len;
3385
3386 len = strlen(str);
3387 readline_set_completion_index(rs, len);
3388 if (nb_args == 2) {
0d4e995c
DB		 3389 TraceEventIter iter;
3390 TraceEvent *ev;
3391 char *pattern = g_strdup_printf("%s*", str);
3392 trace_event_iter_init(&iter, pattern);
3393 while ((ev = trace_event_iter_next(&iter)) != NULL) {
3394 readline_add_completion(rs, trace_event_get_name(ev));
bd71211d 3395 }
0d4e995c 3396 g_free(pattern);
bd71211d
LV		 3397 }
3398}
3399
987bd270
DDAG		 3400void trace_event_completion(ReadLineState *rs, int nb_args, const char *str)
3401{
3402 size_t len;
3403
3404 len = strlen(str);
3405 readline_set_completion_index(rs, len);
3406 if (nb_args == 2) {
0d4e995c
DB		 3407 TraceEventIter iter;
3408 TraceEvent *ev;
3409 char *pattern = g_strdup_printf("%s*", str);
3410 trace_event_iter_init(&iter, pattern);
3411 while ((ev = trace_event_iter_next(&iter)) != NULL) {
3412 readline_add_completion(rs, trace_event_get_name(ev));
3413 }
3414 g_free(pattern);
987bd270
DDAG		 3415 } else if (nb_args == 3) {
3416 add_completion_option(rs, str, "on");
3417 add_completion_option(rs, str, "off");
3418 }
3419}
3420
d0ece345
HB		 3421void watchdog_action_completion(ReadLineState *rs, int nb_args, const char *str)
3422{
4bb08af3
HB		 3423 int i;
3424
d0ece345
HB		 3425 if (nb_args != 2) {
3426 return;
3427 }
3428 readline_set_completion_index(rs, strlen(str));
4bb08af3
HB		 3429 for (i = 0; WatchdogExpirationAction_lookup[i]; i++) {
3430 add_completion_option(rs, str, WatchdogExpirationAction_lookup[i]);
3431 }
d0ece345
HB		 3432}
3433
c68a0409
HB		 3434void migrate_set_capability_completion(ReadLineState *rs, int nb_args,
3435 const char *str)
3436{
3437 size_t len;
3438
3439 len = strlen(str);
3440 readline_set_completion_index(rs, len);
3441 if (nb_args == 2) {
3442 int i;
7fb1cf16 3443 for (i = 0; i < MIGRATION_CAPABILITY__MAX; i++) {
c68a0409
HB		 3444 const char *name = MigrationCapability_lookup[i];
3445 if (!strncmp(str, name, len)) {
3446 readline_add_completion(rs, name);
3447 }
3448 }
3449 } else if (nb_args == 3) {
3450 add_completion_option(rs, str, "on");
3451 add_completion_option(rs, str, "off");
3452 }
3453}
3454
50e9a629
LL		 3455void migrate_set_parameter_completion(ReadLineState *rs, int nb_args,
3456 const char *str)
3457{
3458 size_t len;
3459
3460 len = strlen(str);
3461 readline_set_completion_index(rs, len);
3462 if (nb_args == 2) {
3463 int i;
7fb1cf16 3464 for (i = 0; i < MIGRATION_PARAMETER__MAX; i++) {
50e9a629
LL		 3465 const char *name = MigrationParameter_lookup[i];
3466 if (!strncmp(str, name, len)) {
3467 readline_add_completion(rs, name);
3468 }
3469 }
3470 }
3471}
3472
e3bb532c
HB		 3473void host_net_add_completion(ReadLineState *rs, int nb_args, const char *str)
3474{
3475 int i;
3476 size_t len;
3477 if (nb_args != 2) {
3478 return;
3479 }
3480 len = strlen(str);
3481 readline_set_completion_index(rs, len);
3482 for (i = 0; host_net_devices[i]; i++) {
3483 if (!strncmp(host_net_devices[i], str, len)) {
3484 readline_add_completion(rs, host_net_devices[i]);
3485 }
3486 }
3487}
3488
ddd6b45c
HB		 3489void host_net_remove_completion(ReadLineState *rs, int nb_args, const char *str)
3490{
eaed483c 3491 NetClientState *ncs[MAX_QUEUE_NUM];
ddd6b45c
HB		 3492 int count, i, len;
3493
3494 len = strlen(str);
3495 readline_set_completion_index(rs, len);
3496 if (nb_args == 2) {
3497 count = qemu_find_net_clients_except(NULL, ncs,
f394b2e2 3498 NET_CLIENT_DRIVER_NONE,
eaed483c 3499 MAX_QUEUE_NUM);
bcfa4d60 3500 for (i = 0; i < MIN(count, MAX_QUEUE_NUM); i++) {
ddd6b45c
HB		 3501 int id;
3502 char name[16];
3503
3504 if (net_hub_id_for_client(ncs[i], &id)) {
3505 continue;
3506 }
3507 snprintf(name, sizeof(name), "%d", id);
3508 if (!strncmp(str, name, len)) {
3509 readline_add_completion(rs, name);
3510 }
3511 }
3512 return;
3513 } else if (nb_args == 3) {
3514 count = qemu_find_net_clients_except(NULL, ncs,
f394b2e2 3515 NET_CLIENT_DRIVER_NIC,
eaed483c 3516 MAX_QUEUE_NUM);
bcfa4d60 3517 for (i = 0; i < MIN(count, MAX_QUEUE_NUM); i++) {
2c4681f5 3518 int id;
ddd6b45c
HB		 3519 const char *name;
3520
f394b2e2 3521 if (ncs[i]->info->type == NET_CLIENT_DRIVER_HUBPORT ||
2c4681f5
JW		 3522 net_hub_id_for_client(ncs[i], &id)) {
3523 continue;
3524 }
ddd6b45c
HB		 3525 name = ncs[i]->name;
3526 if (!strncmp(str, name, len)) {
3527 readline_add_completion(rs, name);
3528 }
3529 }
3530 return;
3531 }
3532}
3533
b21631f3
HB		 3534static void vm_completion(ReadLineState *rs, const char *str)
3535{
3536 size_t len;
7c8eece4 3537 BlockDriverState *bs;
88be7b4b 3538 BdrvNextIterator it;
b21631f3
HB		 3539
3540 len = strlen(str);
3541 readline_set_completion_index(rs, len);
7c8eece4 3542
88be7b4b 3543 for (bs = bdrv_first(&it); bs; bs = bdrv_next(&it)) {
b21631f3 3544 SnapshotInfoList *snapshots, *snapshot;
6bf1faa8
DL		 3545 AioContext *ctx = bdrv_get_aio_context(bs);
3546 bool ok = false;
b21631f3 3547
6bf1faa8
DL		 3548 aio_context_acquire(ctx);
3549 if (bdrv_can_snapshot(bs)) {
3550 ok = bdrv_query_snapshot_info_list(bs, &snapshots, NULL) == 0;
b21631f3 3551 }
6bf1faa8
DL		 3552 aio_context_release(ctx);
3553 if (!ok) {
b21631f3
HB		 3554 continue;
3555 }
6bf1faa8 3556
b21631f3
HB		 3557 snapshot = snapshots;
3558 while (snapshot) {
3559 char *completion = snapshot->value->name;
3560 if (!strncmp(str, completion, len)) {
3561 readline_add_completion(rs, completion);
3562 }
3563 completion = snapshot->value->id;
3564 if (!strncmp(str, completion, len)) {
3565 readline_add_completion(rs, completion);
3566 }
3567 snapshot = snapshot->next;
3568 }
3569 qapi_free_SnapshotInfoList(snapshots);
3570 }
3571
3572}
3573
3574void delvm_completion(ReadLineState *rs, int nb_args, const char *str)
3575{
3576 if (nb_args == 2) {
3577 vm_completion(rs, str);
3578 }
3579}
3580
3581void loadvm_completion(ReadLineState *rs, int nb_args, const char *str)
3582{
3583 if (nb_args == 2) {
3584 vm_completion(rs, str);
3585 }
3586}
3587
c35b6400
WX		 3588static void monitor_find_completion_by_table(Monitor *mon,
3589 const mon_cmd_t *cmd_table,
3590 char **args,
3591 int nb_args)
81d0912d
FB		 3592{
3593 const char *cmdname;
c35b6400 3594 int i;
fea68bb6 3595 const char *ptype, *str, *name;
c227f099 3596 const mon_cmd_t *cmd;
da27a00e 3597 BlockBackend *blk = NULL;
81d0912d 3598
81d0912d
FB		 3599 if (nb_args <= 1) {
3600 /* command completion */
3601 if (nb_args == 0)
3602 cmdname = "";
3603 else
3604 cmdname = args[0];
d2674b2c 3605 readline_set_completion_index(mon->rs, strlen(cmdname));
c35b6400 3606 for (cmd = cmd_table; cmd->name != NULL; cmd++) {
cd5c6bba 3607 cmd_completion(mon, cmdname, cmd->name);
81d0912d
FB		 3608 }
3609 } else {
3610 /* find the command */
c35b6400 3611 for (cmd = cmd_table; cmd->name != NULL; cmd++) {
03a63484
JK		 3612 if (compare_cmd(args[0], cmd->name)) {
3613 break;
3614 }
81d0912d 3615 }
03a63484 3616 if (!cmd->name) {
c35b6400 3617 return;
03a63484
JK		 3618 }
3619
d903a779
WX		 3620 if (cmd->sub_table) {
3621 /* do the job again */
e7ae771f
SW		 3622 monitor_find_completion_by_table(mon, cmd->sub_table,
3623 &args[1], nb_args - 1);
3624 return;
d903a779 3625 }
bfa40f77 3626 if (cmd->command_completion) {
e7ae771f
SW		 3627 cmd->command_completion(mon->rs, nb_args, args[nb_args - 1]);
3628 return;
bfa40f77 3629 }
d903a779 3630
4d76d2ba 3631 ptype = next_arg_type(cmd->args_type);
81d0912d
FB		 3632 for(i = 0; i < nb_args - 2; i++) {
3633 if (*ptype != '\0') {
4d76d2ba 3634 ptype = next_arg_type(ptype);
81d0912d 3635 while (*ptype == '?')
4d76d2ba 3636 ptype = next_arg_type(ptype);
81d0912d
FB		 3637 }
3638 }
3639 str = args[nb_args - 1];
48fe86f6 3640 while (*ptype == '-' && ptype[1] != '\0') {
3b6dbf27 3641 ptype = next_arg_type(ptype);
2a1704a7 3642 }
81d0912d
FB		 3643 switch(*ptype) {
3644 case 'F':
3645 /* file completion */
d2674b2c 3646 readline_set_completion_index(mon->rs, strlen(str));
cb8f68b1 3647 file_completion(mon, str);
81d0912d
FB		 3648 break;
3649 case 'B':
3650 /* block device name completion */
599a926a 3651 readline_set_completion_index(mon->rs, strlen(str));
da27a00e
HR		 3652 while ((blk = blk_next(blk)) != NULL) {
3653 name = blk_name(blk);
fea68bb6
MA		 3654 if (str[0] == '\0' ||
3655 !strncmp(name, str, strlen(str))) {
3656 readline_add_completion(mon->rs, name);
3657 }
3658 }
81d0912d 3659 break;
7fe48483 3660 case 's':
129be006 3661 case 'S':
29136cd8 3662 if (!strcmp(cmd->name, "help|?")) {
7ca0e061
WX		 3663 monitor_find_completion_by_table(mon, cmd_table,
3664 &args[1], nb_args - 1);
7fe48483
FB		 3665 }
3666 break;
81d0912d
FB		 3667 default:
3668 break;
3669 }
3670 }
c35b6400
WX		 3671}
3672
c60bf339 3673static void monitor_find_completion(void *opaque,
c35b6400
WX		 3674 const char *cmdline)
3675{
c60bf339 3676 Monitor *mon = opaque;
c35b6400
WX		 3677 char *args[MAX_ARGS];
3678 int nb_args, len;
3679
3680 /* 1. parse the cmdline */
3681 if (parse_cmdline(cmdline, &nb_args, args) < 0) {
3682 return;
3683 }
c35b6400
WX		 3684
3685 /* if the line ends with a space, it means we want to complete the
3686 next arg */
3687 len = strlen(cmdline);
3688 if (len > 0 && qemu_isspace(cmdline[len - 1])) {
3689 if (nb_args >= MAX_ARGS) {
3690 goto cleanup;
3691 }
3692 args[nb_args++] = g_strdup("");
3693 }
3694
3695 /* 2. auto complete according to args */
3696 monitor_find_completion_by_table(mon, mon->cmd_table, args, nb_args);
03a63484
JK		 3697
3698cleanup:
dcc70cdf 3699 free_cmdline_args(args, nb_args);
81d0912d
FB		 3700}
3701
731b0364 3702static int monitor_can_read(void *opaque)
9dc39cba 3703{
731b0364
AL		 3704 Monitor *mon = opaque;
3705
c62313bb 3706 return (mon->suspend_cnt == 0) ? 1 : 0;
9dc39cba
FB		 3707}
3708
95385fe9 3709static void handle_qmp_command(JSONMessageParser *parser, GQueue *tokens)
5fa737a4 3710{
5c678ee8
MAL		 3711 QObject *req, *rsp = NULL, *id = NULL;
3712 QDict *qdict = NULL;
5fa737a4 3713 Monitor *mon = cur_mon;
5c678ee8 3714 Error *err = NULL;
5fa737a4 3715
5c678ee8 3716 req = json_parser_parse_err(tokens, NULL, &err);
bbf1028a
MA		 3717 if (!req && !err) {
3718 /* json_parser_parse_err() sucks: can fail without setting @err */
3719 error_setg(&err, QERR_JSON_PARSING);
3720 }
3721 if (err) {
5fa737a4 3722 goto err_out;
5fa737a4
LC		 3723 }
3724
104fc302
MA		 3725 qdict = qobject_to_qdict(req);
3726 if (qdict) {
3727 id = qdict_get(qdict, "id");
3728 qobject_incref(id);
3729 qdict_del(qdict, "id");
3730 } /* else will fail qmp_dispatch() */
5c678ee8 3731
635db18f 3732 rsp = qmp_dispatch(cur_mon->qmp.commands, req);
5fa737a4 3733
635db18f
MA		 3734 if (mon->qmp.commands == &qmp_cap_negotiation_commands) {
3735 qdict = qdict_get_qdict(qobject_to_qdict(rsp), "error");
3736 if (qdict
3737 && !g_strcmp0(qdict_get_try_str(qdict, "class"),
3738 QapiErrorClass_lookup[ERROR_CLASS_COMMAND_NOT_FOUND])) {
3739 /* Provide a more useful error message */
3740 qdict_del(qdict, "desc");
e59084b5
EB		 3741 qdict_put_str(qdict, "desc", "Expecting capabilities negotiation"
3742 " with 'qmp_capabilities'");
635db18f
MA		 3743 }
3744 }
5fa737a4 3745
5c678ee8
MAL		 3746err_out:
3747 if (err) {
3748 qdict = qdict_new();
3749 qdict_put_obj(qdict, "error", qmp_build_error_object(err));
3750 error_free(err);
3751 rsp = QOBJECT(qdict);
5fa737a4
LC		 3752 }
3753
5c678ee8
MAL		 3754 if (rsp) {
3755 if (id) {
3756 qdict_put_obj(qobject_to_qdict(rsp), "id", id);
3757 id = NULL;
3758 }
5fa737a4 3759
5c678ee8
MAL		 3760 monitor_json_emitter(mon, rsp);
3761 }
3762
3763 qobject_decref(id);
3764 qobject_decref(rsp);
3765 qobject_decref(req);
5fa737a4
LC		 3766}
3767
c83fe23b 3768static void monitor_qmp_read(void *opaque, const uint8_t *buf, int size)
9b57c02e
LC		 3769{
3770 Monitor *old_mon = cur_mon;
3771
3772 cur_mon = opaque;
3773
74358f2a 3774 json_message_parser_feed(&cur_mon->qmp.parser, (const char *) buf, size);
9b57c02e
LC		 3775
3776 cur_mon = old_mon;
3777}
3778
731b0364 3779static void monitor_read(void *opaque, const uint8_t *buf, int size)
9dc39cba 3780{
731b0364 3781 Monitor *old_mon = cur_mon;
7e2515e8 3782 int i;
376253ec 3783
731b0364
AL		 3784 cur_mon = opaque;
3785
cde76ee1
AL		 3786 if (cur_mon->rs) {
3787 for (i = 0; i < size; i++)
3788 readline_handle_byte(cur_mon->rs, buf[i]);
3789 } else {
3790 if (size == 0 || buf[size - 1] != 0)
3791 monitor_printf(cur_mon, "corrupted command\n");
3792 else
7ef6cf63 3793 handle_hmp_command(cur_mon, (char *)buf);
cde76ee1 3794 }
9dc39cba 3795
731b0364
AL		 3796 cur_mon = old_mon;
3797}
d8f44609 3798
c60bf339
SH		 3799static void monitor_command_cb(void *opaque, const char *cmdline,
3800 void *readline_opaque)
aa455485 3801{
c60bf339
SH		 3802 Monitor *mon = opaque;
3803
731b0364 3804 monitor_suspend(mon);
7ef6cf63 3805 handle_hmp_command(mon, cmdline);
731b0364 3806 monitor_resume(mon);
d8f44609
AL		 3807}
3808
cde76ee1 3809int monitor_suspend(Monitor *mon)
d8f44609 3810{
cde76ee1
AL		 3811 if (!mon->rs)
3812 return -ENOTTY;
731b0364 3813 mon->suspend_cnt++;
cde76ee1 3814 return 0;
d8f44609
AL		 3815}
3816
376253ec 3817void monitor_resume(Monitor *mon)
d8f44609 3818{
cde76ee1
AL		 3819 if (!mon->rs)
3820 return;
731b0364
AL		 3821 if (--mon->suspend_cnt == 0)
3822 readline_show_prompt(mon->rs);
aa455485
FB		 3823}
3824
ca9567e2
LC		 3825static QObject *get_qmp_greeting(void)
3826{
b9c15f16 3827 QObject *ver = NULL;
ca9567e2 3828
7fad30f0 3829 qmp_marshal_query_version(NULL, &ver, NULL);
c823501e
MAL		 3830
3831 return qobject_from_jsonf("{'QMP': {'version': %p, 'capabilities': []}}",
3832 ver);
ca9567e2
LC		 3833}
3834
c83fe23b 3835static void monitor_qmp_event(void *opaque, int event)
9b57c02e 3836{
47116d1c
LC		 3837 QObject *data;
3838 Monitor *mon = opaque;
9b57c02e 3839
47116d1c
LC		 3840 switch (event) {
3841 case CHR_EVENT_OPENED:
635db18f 3842 mon->qmp.commands = &qmp_cap_negotiation_commands;
ca9567e2 3843 data = get_qmp_greeting();
9b57c02e
LC		 3844 monitor_json_emitter(mon, data);
3845 qobject_decref(data);
efb87c16 3846 mon_refcount++;
47116d1c
LC		 3847 break;
3848 case CHR_EVENT_CLOSED:
74358f2a
MA		 3849 json_message_parser_destroy(&mon->qmp.parser);
3850 json_message_parser_init(&mon->qmp.parser, handle_qmp_command);
efb87c16
CB		 3851 mon_refcount--;
3852 monitor_fdsets_cleanup();
47116d1c 3853 break;
9b57c02e
LC		 3854 }
3855}
3856
731b0364 3857static void monitor_event(void *opaque, int event)
86e94dea 3858{
376253ec
AL		 3859 Monitor *mon = opaque;
3860
2724b180
AL		 3861 switch (event) {
3862 case CHR_EVENT_MUX_IN:
6cff3e85 3863 qemu_mutex_lock(&mon->out_lock);
a7aec5da 3864 mon->mux_out = 0;
6cff3e85 3865 qemu_mutex_unlock(&mon->out_lock);
a7aec5da
GH		 3866 if (mon->reset_seen) {
3867 readline_restart(mon->rs);
3868 monitor_resume(mon);
3869 monitor_flush(mon);
3870 } else {
3871 mon->suspend_cnt = 0;
3872 }
2724b180
AL		 3873 break;
3874
3875 case CHR_EVENT_MUX_OUT:
a7aec5da
GH		 3876 if (mon->reset_seen) {
3877 if (mon->suspend_cnt == 0) {
3878 monitor_printf(mon, "\n");
3879 }
3880 monitor_flush(mon);
3881 monitor_suspend(mon);
3882 } else {
3883 mon->suspend_cnt++;
3884 }
6cff3e85 3885 qemu_mutex_lock(&mon->out_lock);
a7aec5da 3886 mon->mux_out = 1;
6cff3e85 3887 qemu_mutex_unlock(&mon->out_lock);
2724b180 3888 break;
86e94dea 3889
b6b8df56 3890 case CHR_EVENT_OPENED:
2724b180
AL		 3891 monitor_printf(mon, "QEMU %s monitor - type 'help' for more "
3892 "information\n", QEMU_VERSION);
a7aec5da 3893 if (!mon->mux_out) {
e5554e20 3894 readline_restart(mon->rs);
2724b180 3895 readline_show_prompt(mon->rs);
a7aec5da
GH		 3896 }
3897 mon->reset_seen = 1;
efb87c16
CB		 3898 mon_refcount++;
3899 break;
3900
3901 case CHR_EVENT_CLOSED:
3902 mon_refcount--;
3903 monitor_fdsets_cleanup();
2724b180
AL		 3904 break;
3905 }
86e94dea
TS		 3906}
3907
816f8925
WX		 3908static int
3909compare_mon_cmd(const void *a, const void *b)
3910{
3911 return strcmp(((const mon_cmd_t *)a)->name,
3912 ((const mon_cmd_t *)b)->name);
3913}
3914
3915static void sortcmdlist(void)
3916{
3917 int array_num;
3918 int elem_size = sizeof(mon_cmd_t);
3919
3920 array_num = sizeof(mon_cmds)/elem_size-1;
3921 qsort((void *)mon_cmds, array_num, elem_size, compare_mon_cmd);
3922
3923 array_num = sizeof(info_cmds)/elem_size-1;
3924 qsort((void *)info_cmds, array_num, elem_size, compare_mon_cmd);
3925}
3926
c60bf339
SH		 3927/* These functions just adapt the readline interface in a typesafe way. We
3928 * could cast function pointers but that discards compiler checks.
3929 */
d5d1507b
SW		 3930static void GCC_FMT_ATTR(2, 3) monitor_readline_printf(void *opaque,
3931 const char *fmt, ...)
c60bf339
SH		 3932{
3933 va_list ap;
3934 va_start(ap, fmt);
3935 monitor_vprintf(opaque, fmt, ap);
3936 va_end(ap);
3937}
3938
3939static void monitor_readline_flush(void *opaque)
3940{
3941 monitor_flush(opaque);
3942}
3943
397d30e9
PB		 3944/*
3945 * Print to current monitor if we have one, else to stderr.
3946 * TODO should return int, so callers can calculate width, but that
3947 * requires surgery to monitor_vprintf(). Left for another day.
3948 */
3949void error_vprintf(const char *fmt, va_list ap)
3950{
3951 if (cur_mon && !monitor_cur_is_qmp()) {
3952 monitor_vprintf(cur_mon, fmt, ap);
3953 } else {
3954 vfprintf(stderr, fmt, ap);
3955 }
3956}
3957
3958void error_vprintf_unless_qmp(const char *fmt, va_list ap)
3959{
3960 if (cur_mon && !monitor_cur_is_qmp()) {
3961 monitor_vprintf(cur_mon, fmt, ap);
0d6b50d4
MAL		 3962 } else if (!cur_mon) {
3963 vfprintf(stderr, fmt, ap);
397d30e9
PB		 3964 }
3965}
3966
d622cb58
PB		 3967static void __attribute__((constructor)) monitor_lock_init(void)
3968{
3969 qemu_mutex_init(&monitor_lock);
3970}
3971
0ec7b3e7 3972void monitor_init(Chardev *chr, int flags)
aa455485 3973{
731b0364 3974 static int is_first_init = 1;
87127161 3975 Monitor *mon;
20d8a3ed
TS		 3976
3977 if (is_first_init) {
43a14cfc 3978 monitor_qapi_event_init();
d038317c 3979 sortcmdlist();
20d8a3ed
TS		 3980 is_first_init = 0;
3981 }
87127161 3982
b01fe89e
WX		 3983 mon = g_malloc(sizeof(*mon));
3984 monitor_data_init(mon);
20d8a3ed 3985
32a6ebec 3986 qemu_chr_fe_init(&mon->chr, chr, &error_abort);
731b0364 3987 mon->flags = flags;
cde76ee1 3988 if (flags & MONITOR_USE_READLINE) {
c60bf339
SH		 3989 mon->rs = readline_init(monitor_readline_printf,
3990 monitor_readline_flush,
3991 mon,
3992 monitor_find_completion);
cde76ee1
AL		 3993 monitor_read_command(mon, 0);
3994 }
87127161 3995
9f3982f2 3996 if (monitor_is_qmp(mon)) {
5345fdb4 3997 qemu_chr_fe_set_handlers(&mon->chr, monitor_can_read, monitor_qmp_read,
39ab61c6 3998 monitor_qmp_event, mon, NULL, true);
5345fdb4 3999 qemu_chr_fe_set_echo(&mon->chr, true);
74358f2a 4000 json_message_parser_init(&mon->qmp.parser, handle_qmp_command);
9b57c02e 4001 } else {
5345fdb4 4002 qemu_chr_fe_set_handlers(&mon->chr, monitor_can_read, monitor_read,
39ab61c6 4003 monitor_event, mon, NULL, true);
9b57c02e 4004 }
87127161 4005
d622cb58 4006 qemu_mutex_lock(&monitor_lock);
72cf2d4f 4007 QLIST_INSERT_HEAD(&mon_list, mon, entry);
d622cb58 4008 qemu_mutex_unlock(&monitor_lock);
aa455485
FB		 4009}
4010
2ef45716
MAL		 4011void monitor_cleanup(void)
4012{
4013 Monitor *mon, *next;
4014
4015 qemu_mutex_lock(&monitor_lock);
4016 QLIST_FOREACH_SAFE(mon, &mon_list, entry, next) {
4017 QLIST_REMOVE(mon, entry);
4018 monitor_data_destroy(mon);
4019 g_free(mon);
4020 }
4021 qemu_mutex_unlock(&monitor_lock);
4022}
4023
c60bf339
SH		 4024static void bdrv_password_cb(void *opaque, const char *password,
4025 void *readline_opaque)
81d0912d 4026{
c60bf339
SH		 4027 Monitor *mon = opaque;
4028 BlockDriverState *bs = readline_opaque;
bb5fc20f 4029 int ret = 0;
4d2855a3 4030 Error *local_err = NULL;
81d0912d 4031
4d2855a3
MA		 4032 bdrv_add_key(bs, password, &local_err);
4033 if (local_err) {
193227f9 4034 error_report_err(local_err);
bb5fc20f 4035 ret = -EPERM;
9dc39cba 4036 }
731b0364
AL		 4037 if (mon->password_completion_cb)
4038 mon->password_completion_cb(mon->password_opaque, ret);
bb5fc20f 4039
731b0364 4040 monitor_read_command(mon, 1);
9dc39cba 4041}
c0f4ce77 4042
0bbc47bb 4043int monitor_read_bdrv_key_start(Monitor *mon, BlockDriverState *bs,
097310b5 4044 BlockCompletionFunc *completion_cb,
0bbc47bb 4045 void *opaque)
c0f4ce77 4046{
cde76ee1
AL		 4047 int err;
4048
376253ec
AL		 4049 monitor_printf(mon, "%s (%s) is encrypted.\n", bdrv_get_device_name(bs),
4050 bdrv_get_encrypted_filename(bs));
bb5fc20f 4051
731b0364
AL		 4052 mon->password_completion_cb = completion_cb;
4053 mon->password_opaque = opaque;
bb5fc20f 4054
cde76ee1
AL		 4055 err = monitor_read_password(mon, bdrv_password_cb, bs);
4056
4057 if (err && completion_cb)
4058 completion_cb(opaque, err);
0bbc47bb
LC		 4059
4060 return err;
c0f4ce77 4061}
e42e818b
LC		 4062
4063int monitor_read_block_device_key(Monitor *mon, const char *device,
097310b5 4064 BlockCompletionFunc *completion_cb,
e42e818b
LC		 4065 void *opaque)
4066{
9b14e0ef 4067 Error *err = NULL;
5560625b 4068 BlockBackend *blk;
e42e818b 4069
5560625b
FZ		 4070 blk = blk_by_name(device);
4071 if (!blk) {
e42e818b
LC		 4072 monitor_printf(mon, "Device not found %s\n", device);
4073 return -1;
4074 }
5433c24f
HR		 4075 if (!blk_bs(blk)) {
4076 monitor_printf(mon, "Device '%s' has no medium\n", device);
4077 return -1;
4078 }
e42e818b 4079
9b14e0ef
MA		 4080 bdrv_add_key(blk_bs(blk), NULL, &err);
4081 if (err) {
4082 error_free(err);
4083 return monitor_read_bdrv_key_start(mon, blk_bs(blk), completion_cb, opaque);
4084 }
4085
4086 if (completion_cb) {
4087 completion_cb(opaque, 0);
4088 }
4089 return 0;
e42e818b 4090}
4d454574
PB		 4091
4092QemuOptsList qemu_mon_opts = {
4093 .name = "mon",
4094 .implied_opt_name = "chardev",
4095 .head = QTAILQ_HEAD_INITIALIZER(qemu_mon_opts.head),
4096 .desc = {
4097 {
4098 .name = "mode",
4099 .type = QEMU_OPT_STRING,
4100 },{
4101 .name = "chardev",
4102 .type = QEMU_OPT_STRING,
4103 },{
bdbcb547 4104 .name = "default", /* deprecated */
4d454574
PB		 4105 .type = QEMU_OPT_BOOL,
4106 },{
4107 .name = "pretty",
4108 .type = QEMU_OPT_BOOL,
4109 },
4110 { /* end of list */ }
4111 },
4112};
f2ae8abf
MT		 4113
4114#ifndef TARGET_I386
4115void qmp_rtc_reset_reinjection(Error **errp)
4116{
c6bd8c70 4117 error_setg(errp, QERR_FEATURE_DISABLED, "rtc-reset-reinjection");
f2ae8abf
MT		 4118}
4119#endif
7ee0c3e3
JH		 4120
4121#ifndef TARGET_S390X
4122void qmp_dump_skeys(const char *filename, Error **errp)
4123{
4124 error_setg(errp, QERR_FEATURE_DISABLED, "dump-skeys");
4125}
4126#endif
ae50a770
PX		 4127
4128#ifndef TARGET_ARM
4129GICCapabilityList *qmp_query_gic_capabilities(Error **errp)
4130{
4131 error_setg(errp, QERR_FEATURE_DISABLED, "query-gic-capabilities");
4132 return NULL;
4133}
4134#endif
d4633541
IM		 4135
4136HotpluggableCPUList *qmp_query_hotpluggable_cpus(Error **errp)
4137{
4138 MachineState *ms = MACHINE(qdev_get_machine());
4139 MachineClass *mc = MACHINE_GET_CLASS(ms);
4140
c5514d0e 4141 if (!mc->has_hotpluggable_cpus) {
d4633541
IM		 4142 error_setg(errp, QERR_FEATURE_DISABLED, "query-hotpluggable-cpus");
4143 return NULL;
4144 }
4145
c5514d0e 4146 return machine_query_hotpluggable_cpus(ms);
d4633541 4147}
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