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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"
a2cb15b0 31#include "hw/pci/pci.h"
0d09e41a 32#include "sysemu/watchdog.h"
45a50b16 33#include "hw/loader.h"
022c62cb 34#include "exec/gdbstub.h"
1422e32d 35#include "net/net.h"
68ac40d2 36#include "net/slirp.h"
4d43a603 37#include "chardev/char-fe.h"
7572150c 38#include "ui/qemu-spice.h"
e35704ba 39#include "sysemu/numa.h"
83c9089e 40#include "monitor/monitor.h"
213dcb06 41#include "qemu/config-file.h"
0150cd81 42#include "qemu/readline.h"
28ecbaee 43#include "ui/console.h"
c751a74a 44#include "ui/input.h"
9c17d615 45#include "sysemu/blockdev.h"
da27a00e 46#include "sysemu/block-backend.h"
87ecb68b 47#include "audio/audio.h"
76cad711 48#include "disas/disas.h"
9c17d615 49#include "sysemu/balloon.h"
1de7afc9 50#include "qemu/timer.h"
b3946626 51#include "sysemu/hw_accel.h"
1de7afc9 52#include "qemu/acl.h"
bdee56f5 53#include "sysemu/tpm.h"
cc7a8ea7 54#include "qapi/qmp/qerror.h"
c7eb39cb 55#include "qapi/qmp/types.h"
7b1b5d19
PB		 56#include "qapi/qmp/qjson.h"
57#include "qapi/qmp/json-streamer.h"
58#include "qapi/qmp/json-parser.h"
a9c94277 59#include "qom/object_interfaces.h"
0ab8ed18 60#include "trace-root.h"
31965ae2 61#include "trace/control.h"
bf957284 62#include "monitor/hmp-target.h"
6d8a764e 63#ifdef CONFIG_TRACE_SIMPLE
31965ae2 64#include "trace/simple.h"
22890ab5 65#endif
022c62cb 66#include "exec/memory.h"
63c91552 67#include "exec/exec-all.h"
03dd024f 68#include "qemu/log.h"
48a32bed
AL		 69#include "qmp-commands.h"
70#include "hmp.h"
1de7afc9 71#include "qemu/thread.h"
b21631f3 72#include "block/qapi.h"
43a14cfc
WX		 73#include "qapi/qmp-event.h"
74#include "qapi-event.h"
39a18158 75#include "qmp-introspect.h"
dc599978 76#include "sysemu/qtest.h"
d2528bdc 77#include "sysemu/cpus.h"
f348b6d1 78#include "qemu/cutils.h"
edcfaefe 79#include "qapi/qmp/dispatch.h"
6a5bd307 80
a4538a5c
JH		 81#if defined(TARGET_S390X)
82#include "hw/s390x/storage-keys.h"
f860d497 83#include "hw/s390x/storage-attributes.h"
a4538a5c
JH		 84#endif
85
9307c4c1
FB		 86/*
87 * Supported types:
5fafdf24 88 *
9307c4c1 89 * 'F' filename
81d0912d 90 * 'B' block device name
9307c4c1 91 * 's' string (accept optional quote)
129be006 92 * 'S' it just appends the rest of the string (accept optional quote)
361127df
MA		 93 * 'O' option string of the form NAME=VALUE,...
94 * parsed according to QemuOptsList given by its name
95 * Example: 'device:O' uses qemu_device_opts.
96 * Restriction: only lists with empty desc are supported
97 * TODO lift the restriction
92a31b1f
FB		 98 * 'i' 32 bit integer
99 * 'l' target long (32 or 64 bit)
91162849
LC		 100 * 'M' Non-negative target long (32 or 64 bit), in user mode the
101 * value is multiplied by 2^20 (think Mebibyte)
dbc0c67f 102 * 'o' octets (aka bytes)
5e00984a
KW		 103 * user mode accepts an optional E, e, P, p, T, t, G, g, M, m,
104 * K, k suffix, which multiplies the value by 2^60 for suffixes E
105 * and e, 2^50 for suffixes P and p, 2^40 for suffixes T and t,
106 * 2^30 for suffixes G and g, 2^20 for M and m, 2^10 for K and k
fccfb11e
MA		 107 * 'T' double
108 * user mode accepts an optional ms, us, ns suffix,
109 * which divides the value by 1e3, 1e6, 1e9, respectively
9307c4c1
FB		 110 * '/' optional gdb-like print format (like "/10x")
111 *
fb46660e
LC		 112 * '?' optional type (for all types, except '/')
113 * '.' other form of optional type (for 'i' and 'l')
942cd1f2
MA		 114 * 'b' boolean
115 * user mode accepts "on" or "off"
fb46660e 116 * '-' optional parameter (eg. '-f')
9307c4c1
FB		 117 *
118 */
119
c227f099 120typedef struct mon_cmd_t {
9dc39cba 121 const char *name;
9307c4c1 122 const char *args_type;
9dc39cba
FB		 123 const char *params;
124 const char *help;
2b9e3576
MAL		 125 void (*cmd)(Monitor *mon, const QDict *qdict);
126 /* @sub_table is a list of 2nd level of commands. If it does not exist,
127 * cmd should be used. If it exists, sub_table[?].cmd should be
128 * used, and cmd of 1st level plays the role of help function.
5f3d335f
WX		 129 */
130 struct mon_cmd_t *sub_table;
bfa40f77 131 void (*command_completion)(ReadLineState *rs, int nb_args, const char *str);
c227f099 132} mon_cmd_t;
9dc39cba 133
f07918fd 134/* file descriptors passed via SCM_RIGHTS */
c227f099
AL		 135typedef struct mon_fd_t mon_fd_t;
136struct mon_fd_t {
f07918fd
MM		 137 char *name;
138 int fd;
c227f099 139 QLIST_ENTRY(mon_fd_t) next;
f07918fd
MM		 140};
141
ba1c048a
CB		 142/* file descriptor associated with a file descriptor set */
143typedef struct MonFdsetFd MonFdsetFd;
144struct MonFdsetFd {
145 int fd;
146 bool removed;
147 char *opaque;
148 QLIST_ENTRY(MonFdsetFd) next;
149};
150
151/* file descriptor set containing fds passed via SCM_RIGHTS */
152typedef struct MonFdset MonFdset;
153struct MonFdset {
154 int64_t id;
155 QLIST_HEAD(, MonFdsetFd) fds;
adb696f3 156 QLIST_HEAD(, MonFdsetFd) dup_fds;
ba1c048a
CB		 157 QLIST_ENTRY(MonFdset) next;
158};
159
74358f2a 160typedef struct {
5fa737a4 161 JSONMessageParser parser;
f994b258
MA		 162 /*
163 * When a client connects, we're in capabilities negotiation mode.
164 * When command qmp_capabilities succeeds, we go into command
165 * mode.
166 */
635db18f 167 QmpCommandList *commands;
74358f2a 168} MonitorQMP;
5fa737a4 169
afeecec2
DB		 170/*
171 * To prevent flooding clients, events can be throttled. The
172 * throttling is calculated globally, rather than per-Monitor
173 * instance.
174 */
43a14cfc 175typedef struct MonitorQAPIEventState {
7de0be65
MA		 176 QAPIEvent event; /* Throttling state for this event type and... */
177 QDict *data; /* ... data, see qapi_event_throttle_equal() */
afeecec2 178 QEMUTimer *timer; /* Timer for handling delayed events */
688b4b7d 179 QDict *qdict; /* Delayed event (if any) */
43a14cfc 180} MonitorQAPIEventState;
afeecec2 181
b9b03ab0
MA		 182typedef struct {
183 int64_t rate; /* Minimum time (in ns) between two events */
184} MonitorQAPIEventConf;
185
87127161 186struct Monitor {
32a6ebec 187 CharBackend chr;
a7aec5da 188 int reset_seen;
731b0364
AL		 189 int flags;
190 int suspend_cnt;
48c043d0 191 bool skip_flush;
6cff3e85
PB		 192
193 QemuMutex out_lock;
e1f2641b 194 QString *outbuf;
6cff3e85
PB		 195 guint out_watch;
196
197 /* Read under either BQL or out_lock, written with BQL+out_lock. */
198 int mux_out;
199
731b0364 200 ReadLineState *rs;
74358f2a 201 MonitorQMP qmp;
751f8cfe 202 gchar *mon_cpu_path;
097310b5 203 BlockCompletionFunc *password_completion_cb;
731b0364 204 void *password_opaque;
7717239d 205 mon_cmd_t *cmd_table;
c227f099 206 QLIST_HEAD(,mon_fd_t) fds;
72cf2d4f 207 QLIST_ENTRY(Monitor) entry;
87127161
AL		 208};
209
2dbc8db0
LC		 210/* QMP checker flags */
211#define QMP_ACCEPT_UNKNOWNS 1
212
d622cb58
PB		 213/* Protects mon_list, monitor_event_state. */
214static QemuMutex monitor_lock;
215
72cf2d4f 216static QLIST_HEAD(mon_list, Monitor) mon_list;
ba1c048a 217static QLIST_HEAD(mon_fdsets, MonFdset) mon_fdsets;
efb87c16 218static int mon_refcount;
7e2515e8 219
816f8925
WX		 220static mon_cmd_t mon_cmds[];
221static mon_cmd_t info_cmds[];
9dc39cba 222
635db18f 223QmpCommandList qmp_commands, qmp_cap_negotiation_commands;
1527badb 224
8631b608 225Monitor *cur_mon;
376253ec 226
dc599978
AG		 227static QEMUClockType event_clock_type = QEMU_CLOCK_REALTIME;
228
c60bf339
SH		 229static void monitor_command_cb(void *opaque, const char *cmdline,
230 void *readline_opaque);
83ab7950 231
9f3982f2
MA		 232/**
233 * Is @mon a QMP monitor?
234 */
235static inline bool monitor_is_qmp(const Monitor *mon)
418173c7
LC		 236{
237 return (mon->flags & MONITOR_USE_CONTROL);
238}
239
489653b5
MA		 240/**
241 * Is the current monitor, if any, a QMP monitor?
242 */
243bool monitor_cur_is_qmp(void)
6620d3ce 244{
9f3982f2 245 return cur_mon && monitor_is_qmp(cur_mon);
6620d3ce
MA		 246}
247
7060b478 248void monitor_read_command(Monitor *mon, int show_prompt)
731b0364 249{
183e6e52
LC		 250 if (!mon->rs)
251 return;
252
731b0364
AL		 253 readline_start(mon->rs, "(qemu) ", 0, monitor_command_cb, NULL);
254 if (show_prompt)
255 readline_show_prompt(mon->rs);
256}
6a00d601 257
7060b478
AL		 258int monitor_read_password(Monitor *mon, ReadLineFunc *readline_func,
259 void *opaque)
bb5fc20f 260{
bcf5d19c 261 if (mon->rs) {
cde76ee1
AL		 262 readline_start(mon->rs, "Password: ", 1, readline_func, opaque);
263 /* prompt is printed on return from the command handler */
264 return 0;
265 } else {
266 monitor_printf(mon, "terminal does not support password prompting\n");
267 return -ENOTTY;
268 }
bb5fc20f
AL		 269}
270
6cff3e85
PB		 271static void monitor_flush_locked(Monitor *mon);
272
f628926b
GH		 273static gboolean monitor_unblocked(GIOChannel *chan, GIOCondition cond,
274 void *opaque)
275{
293d2a00
LE		 276 Monitor *mon = opaque;
277
6cff3e85
PB		 278 qemu_mutex_lock(&mon->out_lock);
279 mon->out_watch = 0;
280 monitor_flush_locked(mon);
281 qemu_mutex_unlock(&mon->out_lock);
f628926b
GH		 282 return FALSE;
283}
284
6cff3e85
PB		 285/* Called with mon->out_lock held. */
286static void monitor_flush_locked(Monitor *mon)
7e2515e8 287{
f628926b 288 int rc;
e1f2641b
LC		 289 size_t len;
290 const char *buf;
291
48c043d0
LC		 292 if (mon->skip_flush) {
293 return;
294 }
295
e1f2641b
LC		 296 buf = qstring_get_str(mon->outbuf);
297 len = qstring_get_length(mon->outbuf);
f628926b 298
a4cc73d6 299 if (len && !mon->mux_out) {
5345fdb4 300 rc = qemu_chr_fe_write(&mon->chr, (const uint8_t *) buf, len);
056f49ff
SP		 301 if ((rc < 0 && errno != EAGAIN) || (rc == len)) {
302 /* all flushed or error */
e1f2641b
LC		 303 QDECREF(mon->outbuf);
304 mon->outbuf = qstring_new();
f628926b
GH		 305 return;
306 }
307 if (rc > 0) {
3b7c78c8 308 /* partial write */
e1f2641b
LC		 309 QString *tmp = qstring_from_str(buf + rc);
310 QDECREF(mon->outbuf);
311 mon->outbuf = tmp;
f628926b 312 }
6cff3e85 313 if (mon->out_watch == 0) {
32a6ebec 314 mon->out_watch =
5345fdb4 315 qemu_chr_fe_add_watch(&mon->chr, G_IO_OUT | G_IO_HUP,
32a6ebec 316 monitor_unblocked, mon);
293d2a00 317 }
7e2515e8
FB		 318 }
319}
320
6cff3e85
PB		 321void monitor_flush(Monitor *mon)
322{
323 qemu_mutex_lock(&mon->out_lock);
324 monitor_flush_locked(mon);
325 qemu_mutex_unlock(&mon->out_lock);
326}
327
e1f2641b 328/* flush at every end of line */
376253ec 329static void monitor_puts(Monitor *mon, const char *str)
7e2515e8 330{
60fe76f3 331 char c;
731b0364 332
6cff3e85 333 qemu_mutex_lock(&mon->out_lock);
7e2515e8
FB		 334 for(;;) {
335 c = *str++;
336 if (c == '\0')
337 break;
e1f2641b
LC		 338 if (c == '\n') {
339 qstring_append_chr(mon->outbuf, '\r');
340 }
341 qstring_append_chr(mon->outbuf, c);
342 if (c == '\n') {
6cff3e85 343 monitor_flush_locked(mon);
e1f2641b 344 }
7e2515e8 345 }
6cff3e85 346 qemu_mutex_unlock(&mon->out_lock);
7e2515e8
FB		 347}
348
376253ec 349void monitor_vprintf(Monitor *mon, const char *fmt, va_list ap)
9dc39cba 350{
e1f2641b 351 char *buf;
b8b08266 352
2daa1191
LC		 353 if (!mon)
354 return;
355
9f3982f2 356 if (monitor_is_qmp(mon)) {
b8b08266 357 return;
4a29a85d 358 }
b8b08266 359
e1f2641b 360 buf = g_strdup_vprintf(fmt, ap);
b8b08266 361 monitor_puts(mon, buf);
e1f2641b 362 g_free(buf);
9dc39cba
FB		 363}
364
376253ec 365void monitor_printf(Monitor *mon, const char *fmt, ...)
9dc39cba 366{
7e2515e8
FB		 367 va_list ap;
368 va_start(ap, fmt);
376253ec 369 monitor_vprintf(mon, fmt, ap);
7e2515e8 370 va_end(ap);
9dc39cba
FB		 371}
372
caf15319 373int monitor_fprintf(FILE *stream, const char *fmt, ...)
7fe48483
FB		 374{
375 va_list ap;
376 va_start(ap, fmt);
376253ec 377 monitor_vprintf((Monitor *)stream, fmt, ap);
7fe48483
FB		 378 va_end(ap);
379 return 0;
380}
381
9b57c02e
LC		 382static void monitor_json_emitter(Monitor *mon, const QObject *data)
383{
384 QString *json;
385
83a27d4d
LC		 386 json = mon->flags & MONITOR_USE_PRETTY ? qobject_to_json_pretty(data) :
387 qobject_to_json(data);
9b57c02e
LC		 388 assert(json != NULL);
389
b8b08266
LC		 390 qstring_append_chr(json, '\n');
391 monitor_puts(mon, qstring_get_str(json));
4a29a85d 392
9b57c02e
LC		 393 QDECREF(json);
394}
395
7fb1cf16 396static MonitorQAPIEventConf monitor_qapi_event_conf[QAPI_EVENT__MAX] = {
b9b03ab0
MA		 397 /* Limit guest-triggerable events to 1 per second */
398 [QAPI_EVENT_RTC_CHANGE] = { 1000 * SCALE_MS },
399 [QAPI_EVENT_WATCHDOG] = { 1000 * SCALE_MS },
400 [QAPI_EVENT_BALLOON_CHANGE] = { 1000 * SCALE_MS },
401 [QAPI_EVENT_QUORUM_REPORT_BAD] = { 1000 * SCALE_MS },
402 [QAPI_EVENT_QUORUM_FAILURE] = { 1000 * SCALE_MS },
403 [QAPI_EVENT_VSERPORT_CHANGE] = { 1000 * SCALE_MS },
404};
405
a24712af 406GHashTable *monitor_qapi_event_state;
afeecec2
DB		 407
408/*
43a14cfc 409 * Emits the event to every monitor instance, @event is only used for trace
d622cb58 410 * Called with monitor_lock held.
afeecec2 411 */
688b4b7d 412static void monitor_qapi_event_emit(QAPIEvent event, QDict *qdict)
afeecec2
DB		 413{
414 Monitor *mon;
415
688b4b7d 416 trace_monitor_protocol_event_emit(event, qdict);
afeecec2 417 QLIST_FOREACH(mon, &mon_list, entry) {
635db18f
MA		 418 if (monitor_is_qmp(mon)
419 && mon->qmp.commands != &qmp_cap_negotiation_commands) {
688b4b7d 420 monitor_json_emitter(mon, QOBJECT(qdict));
afeecec2
DB		 421 }
422 }
423}
424
a24712af
MA		 425static void monitor_qapi_event_handler(void *opaque);
426
afeecec2
DB		 427/*
428 * Queue a new event for emission to Monitor instances,
429 * applying any rate limiting if required.
430 */
431static void
688b4b7d 432monitor_qapi_event_queue(QAPIEvent event, QDict *qdict, Error **errp)
afeecec2 433{
b9b03ab0 434 MonitorQAPIEventConf *evconf;
43a14cfc 435 MonitorQAPIEventState *evstate;
afeecec2 436
7fb1cf16 437 assert(event < QAPI_EVENT__MAX);
b9b03ab0 438 evconf = &monitor_qapi_event_conf[event];
b9b03ab0 439 trace_monitor_protocol_event_queue(event, qdict, evconf->rate);
afeecec2 440
d622cb58 441 qemu_mutex_lock(&monitor_lock);
93f8f982 442
b9b03ab0 443 if (!evconf->rate) {
93f8f982 444 /* Unthrottled event */
688b4b7d 445 monitor_qapi_event_emit(event, qdict);
afeecec2 446 } else {
7de0be65
MA		 447 QDict *data = qobject_to_qdict(qdict_get(qdict, "data"));
448 MonitorQAPIEventState key = { .event = event, .data = data };
a24712af
MA		 449
450 evstate = g_hash_table_lookup(monitor_qapi_event_state, &key);
451 assert(!evstate || timer_pending(evstate->timer));
452
453 if (evstate) {
93f8f982 454 /*
b9b03ab0 455 * Timer is pending for (at least) evconf->rate ns after
93f8f982
MA		 456 * last send. Store event for sending when timer fires,
457 * replacing a prior stored event if any.
afeecec2 458 */
93f8f982 459 QDECREF(evstate->qdict);
688b4b7d
MA		 460 evstate->qdict = qdict;
461 QINCREF(evstate->qdict);
afeecec2 462 } else {
93f8f982 463 /*
b9b03ab0 464 * Last send was (at least) evconf->rate ns ago.
93f8f982 465 * Send immediately, and arm the timer to call
b9b03ab0 466 * monitor_qapi_event_handler() in evconf->rate ns. Any
93f8f982
MA		 467 * events arriving before then will be delayed until then.
468 */
dc599978 469 int64_t now = qemu_clock_get_ns(event_clock_type);
93f8f982 470
688b4b7d 471 monitor_qapi_event_emit(event, qdict);
a24712af
MA		 472
473 evstate = g_new(MonitorQAPIEventState, 1);
474 evstate->event = event;
7de0be65
MA		 475 evstate->data = data;
476 QINCREF(evstate->data);
a24712af 477 evstate->qdict = NULL;
dc599978 478 evstate->timer = timer_new_ns(event_clock_type,
a24712af
MA		 479 monitor_qapi_event_handler,
480 evstate);
481 g_hash_table_add(monitor_qapi_event_state, evstate);
b9b03ab0 482 timer_mod_ns(evstate->timer, now + evconf->rate);
afeecec2
DB		 483 }
484 }
93f8f982 485
d622cb58 486 qemu_mutex_unlock(&monitor_lock);
afeecec2
DB		 487}
488
afeecec2 489/*
b9b03ab0 490 * This function runs evconf->rate ns after sending a throttled
93f8f982
MA		 491 * event.
492 * If another event has since been stored, send it.
afeecec2 493 */
43a14cfc 494static void monitor_qapi_event_handler(void *opaque)
afeecec2 495{
43a14cfc 496 MonitorQAPIEventState *evstate = opaque;
b9b03ab0 497 MonitorQAPIEventConf *evconf = &monitor_qapi_event_conf[evstate->event];
afeecec2 498
93f8f982 499 trace_monitor_protocol_event_handler(evstate->event, evstate->qdict);
d622cb58 500 qemu_mutex_lock(&monitor_lock);
93f8f982 501
688b4b7d 502 if (evstate->qdict) {
dc599978 503 int64_t now = qemu_clock_get_ns(event_clock_type);
93f8f982 504
688b4b7d
MA		 505 monitor_qapi_event_emit(evstate->event, evstate->qdict);
506 QDECREF(evstate->qdict);
507 evstate->qdict = NULL;
b9b03ab0 508 timer_mod_ns(evstate->timer, now + evconf->rate);
a24712af
MA		 509 } else {
510 g_hash_table_remove(monitor_qapi_event_state, evstate);
7de0be65 511 QDECREF(evstate->data);
a24712af
MA		 512 timer_free(evstate->timer);
513 g_free(evstate);
afeecec2 514 }
93f8f982 515
d622cb58 516 qemu_mutex_unlock(&monitor_lock);
afeecec2
DB		 517}
518
a24712af 519static unsigned int qapi_event_throttle_hash(const void *key)
afeecec2 520{
a24712af 521 const MonitorQAPIEventState *evstate = key;
7de0be65 522 unsigned int hash = evstate->event * 255;
afeecec2 523
7de0be65
MA		 524 if (evstate->event == QAPI_EVENT_VSERPORT_CHANGE) {
525 hash += g_str_hash(qdict_get_str(evstate->data, "id"));
526 }
527
6d425eb9
AG		 528 if (evstate->event == QAPI_EVENT_QUORUM_REPORT_BAD) {
529 hash += g_str_hash(qdict_get_str(evstate->data, "node-name"));
530 }
531
7de0be65 532 return hash;
a24712af 533}
0d1ea871 534
a24712af
MA		 535static gboolean qapi_event_throttle_equal(const void *a, const void *b)
536{
537 const MonitorQAPIEventState *eva = a;
538 const MonitorQAPIEventState *evb = b;
539
7de0be65
MA		 540 if (eva->event != evb->event) {
541 return FALSE;
542 }
543
544 if (eva->event == QAPI_EVENT_VSERPORT_CHANGE) {
545 return !strcmp(qdict_get_str(eva->data, "id"),
546 qdict_get_str(evb->data, "id"));
547 }
548
6d425eb9
AG		 549 if (eva->event == QAPI_EVENT_QUORUM_REPORT_BAD) {
550 return !strcmp(qdict_get_str(eva->data, "node-name"),
551 qdict_get_str(evb->data, "node-name"));
552 }
553
7de0be65 554 return TRUE;
a24712af
MA		 555}
556
557static void monitor_qapi_event_init(void)
558{
dc599978
AG		 559 if (qtest_enabled()) {
560 event_clock_type = QEMU_CLOCK_VIRTUAL;
561 }
562
a24712af
MA		 563 monitor_qapi_event_state = g_hash_table_new(qapi_event_throttle_hash,
564 qapi_event_throttle_equal);
43a14cfc 565 qmp_event_set_func_emit(monitor_qapi_event_queue);
0d1ea871
LC		 566}
567
7ef6cf63 568static void handle_hmp_command(Monitor *mon, const char *cmdline);
0268d97c 569
b01fe89e
WX		 570static void monitor_data_init(Monitor *mon)
571{
572 memset(mon, 0, sizeof(Monitor));
6cff3e85 573 qemu_mutex_init(&mon->out_lock);
b01fe89e 574 mon->outbuf = qstring_new();
7717239d
WX		 575 /* Use *mon_cmds by default. */
576 mon->cmd_table = mon_cmds;
b01fe89e
WX		 577}
578
579static void monitor_data_destroy(Monitor *mon)
580{
751f8cfe 581 g_free(mon->mon_cpu_path);
1ce2610c 582 qemu_chr_fe_deinit(&mon->chr, false);
2ef45716
MAL		 583 if (monitor_is_qmp(mon)) {
584 json_message_parser_destroy(&mon->qmp.parser);
585 }
586 g_free(mon->rs);
b01fe89e 587 QDECREF(mon->outbuf);
6cff3e85 588 qemu_mutex_destroy(&mon->out_lock);
b01fe89e
WX		 589}
590
d51a67b4
LC		 591char *qmp_human_monitor_command(const char *command_line, bool has_cpu_index,
592 int64_t cpu_index, Error **errp)
0268d97c 593{
d51a67b4 594 char *output = NULL;
0268d97c 595 Monitor *old_mon, hmp;
0268d97c 596
b01fe89e 597 monitor_data_init(&hmp);
48c043d0 598 hmp.skip_flush = true;
0268d97c
LC		 599
600 old_mon = cur_mon;
601 cur_mon = &hmp;
602
d51a67b4
LC		 603 if (has_cpu_index) {
604 int ret = monitor_set_cpu(cpu_index);
0268d97c
LC		 605 if (ret < 0) {
606 cur_mon = old_mon;
c6bd8c70
MA		 607 error_setg(errp, QERR_INVALID_PARAMETER_VALUE, "cpu-index",
608 "a CPU number");
0268d97c
LC		 609 goto out;
610 }
611 }
612
7ef6cf63 613 handle_hmp_command(&hmp, command_line);
0268d97c
LC		 614 cur_mon = old_mon;
615
6cff3e85 616 qemu_mutex_lock(&hmp.out_lock);
48c043d0
LC		 617 if (qstring_get_length(hmp.outbuf) > 0) {
618 output = g_strdup(qstring_get_str(hmp.outbuf));
d51a67b4
LC		 619 } else {
620 output = g_strdup("");
0268d97c 621 }
6cff3e85 622 qemu_mutex_unlock(&hmp.out_lock);
0268d97c
LC		 623
624out:
b01fe89e 625 monitor_data_destroy(&hmp);
d51a67b4 626 return output;
0268d97c
LC		 627}
628
9dc39cba
FB		 629static int compare_cmd(const char *name, const char *list)
630{
631 const char *p, *pstart;
632 int len;
633 len = strlen(name);
634 p = list;
635 for(;;) {
636 pstart = p;
637 p = strchr(p, '|');
638 if (!p)
639 p = pstart + strlen(pstart);
640 if ((p - pstart) == len && !memcmp(pstart, name, len))
641 return 1;
642 if (*p == '\0')
643 break;
644 p++;
645 }
646 return 0;
647}
648
f5438c05
WX		 649static int get_str(char *buf, int buf_size, const char **pp)
650{
651 const char *p;
652 char *q;
653 int c;
654
655 q = buf;
656 p = *pp;
657 while (qemu_isspace(*p)) {
658 p++;
659 }
660 if (*p == '\0') {
661 fail:
662 *q = '\0';
663 *pp = p;
664 return -1;
665 }
666 if (*p == '\"') {
667 p++;
668 while (*p != '\0' && *p != '\"') {
669 if (*p == '\\') {
670 p++;
671 c = *p++;
672 switch (c) {
673 case 'n':
674 c = '\n';
675 break;
676 case 'r':
677 c = '\r';
678 break;
679 case '\\':
680 case '\'':
681 case '\"':
682 break;
683 default:
71baf787 684 printf("unsupported escape code: '\\%c'\n", c);
f5438c05
WX		 685 goto fail;
686 }
687 if ((q - buf) < buf_size - 1) {
688 *q++ = c;
689 }
690 } else {
691 if ((q - buf) < buf_size - 1) {
692 *q++ = *p;
693 }
694 p++;
695 }
696 }
697 if (*p != '\"') {
71baf787 698 printf("unterminated string\n");
f5438c05
WX		 699 goto fail;
700 }
701 p++;
702 } else {
703 while (*p != '\0' && !qemu_isspace(*p)) {
704 if ((q - buf) < buf_size - 1) {
705 *q++ = *p;
706 }
707 p++;
708 }
709 }
710 *q = '\0';
711 *pp = p;
712 return 0;
713}
714
715#define MAX_ARGS 16
716
dcc70cdf
WX		 717static void free_cmdline_args(char **args, int nb_args)
718{
719 int i;
720
721 assert(nb_args <= MAX_ARGS);
722
723 for (i = 0; i < nb_args; i++) {
724 g_free(args[i]);
725 }
726
727}
728
729/*
730 * Parse the command line to get valid args.
731 * @cmdline: command line to be parsed.
732 * @pnb_args: location to store the number of args, must NOT be NULL.
733 * @args: location to store the args, which should be freed by caller, must
734 * NOT be NULL.
735 *
736 * Returns 0 on success, negative on failure.
737 *
738 * NOTE: this parser is an approximate form of the real command parser. Number
739 * of args have a limit of MAX_ARGS. If cmdline contains more, it will
740 * return with failure.
741 */
742static int parse_cmdline(const char *cmdline,
743 int *pnb_args, char **args)
f5438c05
WX		 744{
745 const char *p;
746 int nb_args, ret;
747 char buf[1024];
748
749 p = cmdline;
750 nb_args = 0;
751 for (;;) {
752 while (qemu_isspace(*p)) {
753 p++;
754 }
755 if (*p == '\0') {
756 break;
757 }
758 if (nb_args >= MAX_ARGS) {
dcc70cdf 759 goto fail;
f5438c05
WX		 760 }
761 ret = get_str(buf, sizeof(buf), &p);
f5438c05 762 if (ret < 0) {
dcc70cdf 763 goto fail;
f5438c05 764 }
dcc70cdf
WX		 765 args[nb_args] = g_strdup(buf);
766 nb_args++;
f5438c05
WX		 767 }
768 *pnb_args = nb_args;
dcc70cdf
WX		 769 return 0;
770
771 fail:
772 free_cmdline_args(args, nb_args);
773 return -1;
f5438c05
WX		 774}
775
66855495
WX		 776static void help_cmd_dump_one(Monitor *mon,
777 const mon_cmd_t *cmd,
778 char **prefix_args,
779 int prefix_args_nb)
780{
781 int i;
782
783 for (i = 0; i < prefix_args_nb; i++) {
784 monitor_printf(mon, "%s ", prefix_args[i]);
785 }
786 monitor_printf(mon, "%s %s -- %s\n", cmd->name, cmd->params, cmd->help);
787}
788
789/* @args[@arg_index] is the valid command need to find in @cmds */
c227f099 790static void help_cmd_dump(Monitor *mon, const mon_cmd_t *cmds,
66855495 791 char **args, int nb_args, int arg_index)
9dc39cba 792{
c227f099 793 const mon_cmd_t *cmd;
9dc39cba 794
66855495
WX		 795 /* No valid arg need to compare with, dump all in *cmds */
796 if (arg_index >= nb_args) {
797 for (cmd = cmds; cmd->name != NULL; cmd++) {
798 help_cmd_dump_one(mon, cmd, args, arg_index);
799 }
800 return;
801 }
802
803 /* Find one entry to dump */
804 for (cmd = cmds; cmd->name != NULL; cmd++) {
805 if (compare_cmd(args[arg_index], cmd->name)) {
806 if (cmd->sub_table) {
807 /* continue with next arg */
808 help_cmd_dump(mon, cmd->sub_table,
809 args, nb_args, arg_index + 1);
810 } else {
811 help_cmd_dump_one(mon, cmd, args, arg_index);
812 }
813 break;
814 }
9dc39cba
FB		 815 }
816}
817
376253ec 818static void help_cmd(Monitor *mon, const char *name)
9dc39cba 819{
66855495
WX		 820 char *args[MAX_ARGS];
821 int nb_args = 0;
822
823 /* 1. parse user input */
824 if (name) {
825 /* special case for log, directly dump and return */
826 if (!strcmp(name, "log")) {
38dad9e5 827 const QEMULogItem *item;
376253ec
AL		 828 monitor_printf(mon, "Log items (comma separated):\n");
829 monitor_printf(mon, "%-10s %s\n", "none", "remove all logs");
38dad9e5 830 for (item = qemu_log_items; item->mask != 0; item++) {
376253ec 831 monitor_printf(mon, "%-10s %s\n", item->name, item->help);
f193c797 832 }
66855495
WX		 833 return;
834 }
835
836 if (parse_cmdline(name, &nb_args, args) < 0) {
837 return;
f193c797 838 }
9dc39cba 839 }
66855495
WX		 840
841 /* 2. dump the contents according to parsed args */
842 help_cmd_dump(mon, mon->cmd_table, args, nb_args, 0);
843
844 free_cmdline_args(args, nb_args);
9dc39cba
FB		 845}
846
d54908a5 847static void do_help_cmd(Monitor *mon, const QDict *qdict)
38183186 848{
d54908a5 849 help_cmd(mon, qdict_get_try_str(qdict, "name"));
38183186
LC		 850}
851
3e5a50d6 852static void hmp_trace_event(Monitor *mon, const QDict *qdict)
22890ab5
PS		 853{
854 const char *tp_name = qdict_get_str(qdict, "name");
855 bool new_state = qdict_get_bool(qdict, "option");
77e2b172
LV		 856 bool has_vcpu = qdict_haskey(qdict, "vcpu");
857 int vcpu = qdict_get_try_int(qdict, "vcpu", 0);
14101d02 858 Error *local_err = NULL;
f871d689 859
77e2b172
LV		 860 if (vcpu < 0) {
861 monitor_printf(mon, "argument vcpu must be positive");
862 return;
863 }
864
865 qmp_trace_event_set_state(tp_name, new_state, true, true, has_vcpu, vcpu, &local_err);
14101d02 866 if (local_err) {
091e38b7 867 error_report_err(local_err);
f871d689 868 }
22890ab5 869}
c5ceb523 870
c45a8168 871#ifdef CONFIG_TRACE_SIMPLE
3e5a50d6 872static void hmp_trace_file(Monitor *mon, const QDict *qdict)
c5ceb523
SH		 873{
874 const char *op = qdict_get_try_str(qdict, "op");
875 const char *arg = qdict_get_try_str(qdict, "arg");
876
877 if (!op) {
878 st_print_trace_file_status((FILE *)mon, &monitor_fprintf);
879 } else if (!strcmp(op, "on")) {
880 st_set_trace_file_enabled(true);
881 } else if (!strcmp(op, "off")) {
882 st_set_trace_file_enabled(false);
883 } else if (!strcmp(op, "flush")) {
884 st_flush_trace_buffer();
885 } else if (!strcmp(op, "set")) {
886 if (arg) {
887 st_set_trace_file(arg);
888 }
889 } else {
890 monitor_printf(mon, "unexpected argument \"%s\"\n", op);
891 help_cmd(mon, "trace-file");
892 }
893}
22890ab5
PS		 894#endif
895
3e5a50d6 896static void hmp_info_help(Monitor *mon, const QDict *qdict)
9dc39cba 897{
13c7425e 898 help_cmd(mon, "info");
9dc39cba
FB		 899}
900
9e812b6a 901static void query_commands_cb(QmpCommand *cmd, void *opaque)
e3bba9d0 902{
9e812b6a 903 CommandInfoList *info, **list = opaque;
e3bba9d0 904
9e812b6a
MAL		 905 if (!cmd->enabled) {
906 return;
e3bba9d0
LC		 907 }
908
9e812b6a
MAL		 909 info = g_malloc0(sizeof(*info));
910 info->value = g_malloc0(sizeof(*info->value));
911 info->value->name = g_strdup(cmd->name);
912 info->next = *list;
913 *list = info;
914}
915
916CommandInfoList *qmp_query_commands(Error **errp)
917{
918 CommandInfoList *list = NULL;
919
635db18f 920 qmp_for_each_command(cur_mon->qmp.commands, query_commands_cb, &list);
9e812b6a
MAL		 921
922 return list;
a36e69dd
TS		 923}
924
4860853d
DB		 925EventInfoList *qmp_query_events(Error **errp)
926{
927 EventInfoList *info, *ev_list = NULL;
75175173 928 QAPIEvent e;
4860853d 929
7fb1cf16 930 for (e = 0 ; e < QAPI_EVENT__MAX ; e++) {
977c736f 931 const char *event_name = QAPIEvent_str(e);
4860853d
DB		 932 assert(event_name != NULL);
933 info = g_malloc0(sizeof(*info));
934 info->value = g_malloc0(sizeof(*info->value));
935 info->value->name = g_strdup(event_name);
936
937 info->next = ev_list;
938 ev_list = info;
939 }
940
941 return ev_list;
942}
943
39a18158
MA		 944/*
945 * Minor hack: generated marshalling suppressed for this command
946 * ('gen': false in the schema) so we can parse the JSON string
947 * directly into QObject instead of first parsing it with
948 * visit_type_SchemaInfoList() into a SchemaInfoList, then marshal it
949 * to QObject with generated output marshallers, every time. Instead,
b3db211f 950 * we do it in test-qobject-input-visitor.c, just to make sure
39a18158
MA		 951 * qapi-introspect.py's output actually conforms to the schema.
952 */
953static void qmp_query_qmp_schema(QDict *qdict, QObject **ret_data,
954 Error **errp)
955{
b0f36b23 956 *ret_data = qobject_from_json(qmp_schema_json, &error_abort);
39a18158
MA		 957}
958
5032a16d 959/*
5032a16d
MAL		 960 * We used to define commands in qmp-commands.hx in addition to the
961 * QAPI schema. This permitted defining some of them only in certain
962 * configurations. query-commands has always reflected that (good,
963 * because it lets QMP clients figure out what's actually available),
964 * while query-qmp-schema never did (not so good). This function is a
965 * hack to keep the configuration-specific commands defined exactly as
966 * before, even though qmp-commands.hx is gone.
967 *
968 * FIXME Educate the QAPI schema on configuration-specific commands,
969 * and drop this hack.
970 */
971static void qmp_unregister_commands_hack(void)
972{
973#ifndef CONFIG_SPICE
1527badb 974 qmp_unregister_command(&qmp_commands, "query-spice");
5032a16d 975#endif
38bb54f3
MA		 976#ifndef CONFIG_REPLICATION
977 qmp_unregister_command(&qmp_commands, "xen-set-replication");
978 qmp_unregister_command(&qmp_commands, "query-xen-replication-status");
979 qmp_unregister_command(&qmp_commands, "xen-colo-do-checkpoint");
980#endif
5032a16d 981#ifndef TARGET_I386
1527badb 982 qmp_unregister_command(&qmp_commands, "rtc-reset-reinjection");
5032a16d
MAL		 983#endif
984#ifndef TARGET_S390X
1527badb 985 qmp_unregister_command(&qmp_commands, "dump-skeys");
5032a16d
MAL		 986#endif
987#ifndef TARGET_ARM
1527badb 988 qmp_unregister_command(&qmp_commands, "query-gic-capabilities");
5032a16d 989#endif
f99fd7ca 990#if !defined(TARGET_S390X) && !defined(TARGET_I386)
1527badb 991 qmp_unregister_command(&qmp_commands, "query-cpu-model-expansion");
f99fd7ca
EH		 992#endif
993#if !defined(TARGET_S390X)
1527badb
MA		 994 qmp_unregister_command(&qmp_commands, "query-cpu-model-baseline");
995 qmp_unregister_command(&qmp_commands, "query-cpu-model-comparison");
728b1429
EH		 996#endif
997#if !defined(TARGET_PPC) && !defined(TARGET_ARM) && !defined(TARGET_I386) \
998 && !defined(TARGET_S390X)
1527badb 999 qmp_unregister_command(&qmp_commands, "query-cpu-definitions");
728b1429 1000#endif
5032a16d
MAL		 1001}
1002
05875687 1003void monitor_init_qmp_commands(void)
edcfaefe 1004{
635db18f
MA		 1005 /*
1006 * Two command lists:
1007 * - qmp_commands contains all QMP commands
1008 * - qmp_cap_negotiation_commands contains just
1009 * "qmp_capabilities", to enforce capability negotiation
1010 */
1011
1527badb 1012 qmp_init_marshal(&qmp_commands);
05875687 1013
1527badb
MA		 1014 qmp_register_command(&qmp_commands, "query-qmp-schema",
1015 qmp_query_qmp_schema,
edcfaefe 1016 QCO_NO_OPTIONS);
1527badb 1017 qmp_register_command(&qmp_commands, "device_add", qmp_device_add,
edcfaefe 1018 QCO_NO_OPTIONS);
1527badb 1019 qmp_register_command(&qmp_commands, "netdev_add", qmp_netdev_add,
edcfaefe 1020 QCO_NO_OPTIONS);
5032a16d 1021
05875687 1022 qmp_unregister_commands_hack();
635db18f
MA		 1023
1024 QTAILQ_INIT(&qmp_cap_negotiation_commands);
1025 qmp_register_command(&qmp_cap_negotiation_commands, "qmp_capabilities",
1026 qmp_marshal_qmp_capabilities, QCO_NO_OPTIONS);
1027}
1028
1029void qmp_qmp_capabilities(Error **errp)
1030{
1031 if (cur_mon->qmp.commands == &qmp_commands) {
1032 error_set(errp, ERROR_CLASS_COMMAND_NOT_FOUND,
1033 "Capabilities negotiation is already complete, command "
1034 "ignored");
1035 return;
1036 }
1037
1038 cur_mon->qmp.commands = &qmp_commands;
edcfaefe
MAL		 1039}
1040
b025c8b4
LC		 1041/* set the current CPU defined by the user */
1042int monitor_set_cpu(int cpu_index)
6a00d601 1043{
55e5c285 1044 CPUState *cpu;
6a00d601 1045
1c8bb3cc
AF		 1046 cpu = qemu_get_cpu(cpu_index);
1047 if (cpu == NULL) {
1048 return -1;
6a00d601 1049 }
751f8cfe
GK		 1050 g_free(cur_mon->mon_cpu_path);
1051 cur_mon->mon_cpu_path = object_get_canonical_path(OBJECT(cpu));
1c8bb3cc 1052 return 0;
6a00d601
FB		 1053}
1054
caf15319 1055CPUState *mon_get_cpu(void)
6a00d601 1056{
751f8cfe
GK		 1057 CPUState *cpu;
1058
1059 if (cur_mon->mon_cpu_path) {
1060 cpu = (CPUState *) object_resolve_path_type(cur_mon->mon_cpu_path,
1061 TYPE_CPU, NULL);
1062 if (!cpu) {
1063 g_free(cur_mon->mon_cpu_path);
1064 cur_mon->mon_cpu_path = NULL;
1065 }
1066 }
1067 if (!cur_mon->mon_cpu_path) {
854e67fe
TH		 1068 if (!first_cpu) {
1069 return NULL;
1070 }
27a83f8e 1071 monitor_set_cpu(first_cpu->cpu_index);
751f8cfe 1072 cpu = first_cpu;
6a00d601 1073 }
751f8cfe
GK		 1074 cpu_synchronize_state(cpu);
1075 return cpu;
5bcda5f7
PC		 1076}
1077
bf957284 1078CPUArchState *mon_get_cpu_env(void)
5bcda5f7 1079{
854e67fe
TH		 1080 CPUState *cs = mon_get_cpu();
1081
1082 return cs ? cs->env_ptr : NULL;
6a00d601
FB		 1083}
1084
99b7796f
LC		 1085int monitor_get_cpu_index(void)
1086{
854e67fe
TH		 1087 CPUState *cs = mon_get_cpu();
1088
1089 return cs ? cs->cpu_index : UNASSIGNED_CPU_INDEX;
99b7796f
LC		 1090}
1091
1ce6be24 1092static void hmp_info_registers(Monitor *mon, const QDict *qdict)
9307c4c1 1093{
18f08282
SJS		 1094 bool all_cpus = qdict_get_try_bool(qdict, "cpustate_all", false);
1095 CPUState *cs;
854e67fe 1096
18f08282
SJS		 1097 if (all_cpus) {
1098 CPU_FOREACH(cs) {
1099 monitor_printf(mon, "\nCPU#%d\n", cs->cpu_index);
1100 cpu_dump_state(cs, (FILE *)mon, monitor_fprintf, CPU_DUMP_FPU);
1101 }
1102 } else {
1103 cs = mon_get_cpu();
1104
1105 if (!cs) {
1106 monitor_printf(mon, "No CPU available\n");
1107 return;
1108 }
1109
1110 cpu_dump_state(cs, (FILE *)mon, monitor_fprintf, CPU_DUMP_FPU);
854e67fe 1111 }
9307c4c1
FB		 1112}
1113
f0d14a95 1114#ifdef CONFIG_TCG
1ce6be24 1115static void hmp_info_jit(Monitor *mon, const QDict *qdict)
e3db7226 1116{
b7da97ee
TH		 1117 if (!tcg_enabled()) {
1118 error_report("JIT information is only available with accel=tcg");
1119 return;
1120 }
1121
376253ec 1122 dump_exec_info((FILE *)mon, monitor_fprintf);
27498bef 1123 dump_drift_info((FILE *)mon, monitor_fprintf);
e3db7226
FB		 1124}
1125
1ce6be24 1126static void hmp_info_opcount(Monitor *mon, const QDict *qdict)
246ae24d
MF		 1127{
1128 dump_opcount_info((FILE *)mon, monitor_fprintf);
1129}
f0d14a95 1130#endif
246ae24d 1131
1ce6be24 1132static void hmp_info_history(Monitor *mon, const QDict *qdict)
aa455485
FB		 1133{
1134 int i;
7e2515e8 1135 const char *str;
3b46e624 1136
cde76ee1
AL		 1137 if (!mon->rs)
1138 return;
7e2515e8
FB		 1139 i = 0;
1140 for(;;) {
731b0364 1141 str = readline_get_history(mon->rs, i);
7e2515e8
FB		 1142 if (!str)
1143 break;
376253ec 1144 monitor_printf(mon, "%d: '%s'\n", i, str);
8e3a9fd2 1145 i++;
aa455485
FB		 1146 }
1147}
1148
1ce6be24 1149static void hmp_info_cpustats(Monitor *mon, const QDict *qdict)
76a66253 1150{
854e67fe
TH		 1151 CPUState *cs = mon_get_cpu();
1152
1153 if (!cs) {
1154 monitor_printf(mon, "No CPU available\n");
1155 return;
1156 }
1157 cpu_dump_statistics(cs, (FILE *)mon, &monitor_fprintf, 0);
76a66253 1158}
76a66253 1159
1ce6be24 1160static void hmp_info_trace_events(Monitor *mon, const QDict *qdict)
22890ab5 1161{
bd71211d 1162 const char *name = qdict_get_try_str(qdict, "name");
77e2b172
LV		 1163 bool has_vcpu = qdict_haskey(qdict, "vcpu");
1164 int vcpu = qdict_get_try_int(qdict, "vcpu", 0);
bd71211d 1165 TraceEventInfoList *events;
14101d02 1166 TraceEventInfoList *elem;
bd71211d
LV		 1167 Error *local_err = NULL;
1168
1169 if (name == NULL) {
1170 name = "*";
1171 }
77e2b172
LV		 1172 if (vcpu < 0) {
1173 monitor_printf(mon, "argument vcpu must be positive");
1174 return;
1175 }
bd71211d 1176
77e2b172 1177 events = qmp_trace_event_get_state(name, has_vcpu, vcpu, &local_err);
bd71211d
LV		 1178 if (local_err) {
1179 error_report_err(local_err);
1180 return;
1181 }
14101d02
LV		 1182
1183 for (elem = events; elem != NULL; elem = elem->next) {
1184 monitor_printf(mon, "%s : state %u\n",
1185 elem->value->name,
1186 elem->value->state == TRACE_EVENT_STATE_ENABLED ? 1 : 0);
1187 }
1188 qapi_free_TraceEventInfoList(events);
22890ab5 1189}
22890ab5 1190
b8a185bc
MA		 1191void qmp_client_migrate_info(const char *protocol, const char *hostname,
1192 bool has_port, int64_t port,
1193 bool has_tls_port, int64_t tls_port,
1194 bool has_cert_subject, const char *cert_subject,
1195 Error **errp)
e866e239 1196{
e866e239 1197 if (strcmp(protocol, "spice") == 0) {
b8a185bc
MA		 1198 if (!qemu_using_spice(errp)) {
1199 return;
e866e239
GH		 1200 }
1201
b8a185bc 1202 if (!has_port && !has_tls_port) {
c6bd8c70 1203 error_setg(errp, QERR_MISSING_PARAMETER, "port/tls-port");
b8a185bc 1204 return;
6ec5dae5
YH		 1205 }
1206
b8a185bc
MA		 1207 if (qemu_spice_migrate_info(hostname,
1208 has_port ? port : -1,
1209 has_tls_port ? tls_port : -1,
1210 cert_subject)) {
c6bd8c70 1211 error_setg(errp, QERR_UNDEFINED_ERROR);
b8a185bc 1212 return;
e866e239 1213 }
b8a185bc 1214 return;
e866e239
GH		 1215 }
1216
c6bd8c70 1217 error_setg(errp, QERR_INVALID_PARAMETER_VALUE, "protocol", "spice");
e866e239
GH		 1218}
1219
3e5a50d6 1220static void hmp_logfile(Monitor *mon, const QDict *qdict)
e735b91c 1221{
daa76aa4
MA		 1222 Error *err = NULL;
1223
1224 qemu_set_log_filename(qdict_get_str(qdict, "filename"), &err);
1225 if (err) {
1226 error_report_err(err);
1227 }
e735b91c
PB		 1228}
1229
3e5a50d6 1230static void hmp_log(Monitor *mon, const QDict *qdict)
f193c797
FB		 1231{
1232 int mask;
d54908a5 1233 const char *items = qdict_get_str(qdict, "items");
3b46e624 1234
9307c4c1 1235 if (!strcmp(items, "none")) {
f193c797
FB		 1236 mask = 0;
1237 } else {
4fde1eba 1238 mask = qemu_str_to_log_mask(items);
f193c797 1239 if (!mask) {
376253ec 1240 help_cmd(mon, "log");
f193c797
FB		 1241 return;
1242 }
1243 }
24537a01 1244 qemu_set_log(mask);
f193c797
FB		 1245}
1246
3e5a50d6 1247static void hmp_singlestep(Monitor *mon, const QDict *qdict)
1b530a6d 1248{
d54908a5 1249 const char *option = qdict_get_try_str(qdict, "option");
1b530a6d
AJ		 1250 if (!option || !strcmp(option, "on")) {
1251 singlestep = 1;
1252 } else if (!strcmp(option, "off")) {
1253 singlestep = 0;
1254 } else {
1255 monitor_printf(mon, "unexpected option %s\n", option);
1256 }
1257}
1258
3e5a50d6 1259static void hmp_gdbserver(Monitor *mon, const QDict *qdict)
59030a8c 1260{
d54908a5 1261 const char *device = qdict_get_try_str(qdict, "device");
59030a8c
AL		 1262 if (!device)
1263 device = "tcp::" DEFAULT_GDBSTUB_PORT;
1264 if (gdbserver_start(device) < 0) {
1265 monitor_printf(mon, "Could not open gdbserver on device '%s'\n",
1266 device);
1267 } else if (strcmp(device, "none") == 0) {
36556b20 1268 monitor_printf(mon, "Disabled gdbserver\n");
8a7ddc38 1269 } else {
59030a8c
AL		 1270 monitor_printf(mon, "Waiting for gdb connection on device '%s'\n",
1271 device);
8a7ddc38
FB		 1272 }
1273}
1274
3e5a50d6 1275static void hmp_watchdog_action(Monitor *mon, const QDict *qdict)
9dd986cc 1276{
d54908a5 1277 const char *action = qdict_get_str(qdict, "action");
9dd986cc
RJ		 1278 if (select_watchdog_action(action) == -1) {
1279 monitor_printf(mon, "Unknown watchdog action '%s'\n", action);
1280 }
1281}
1282
376253ec 1283static void monitor_printc(Monitor *mon, int c)
9307c4c1 1284{
376253ec 1285 monitor_printf(mon, "'");
9307c4c1
FB		 1286 switch(c) {
1287 case '\'':
376253ec 1288 monitor_printf(mon, "\\'");
9307c4c1
FB		 1289 break;
1290 case '\\':
376253ec 1291 monitor_printf(mon, "\\\\");
9307c4c1
FB		 1292 break;
1293 case '\n':
376253ec 1294 monitor_printf(mon, "\\n");
9307c4c1
FB		 1295 break;
1296 case '\r':
376253ec 1297 monitor_printf(mon, "\\r");
9307c4c1
FB		 1298 break;
1299 default:
1300 if (c >= 32 && c <= 126) {
376253ec 1301 monitor_printf(mon, "%c", c);
9307c4c1 1302 } else {
376253ec 1303 monitor_printf(mon, "\\x%02x", c);
9307c4c1
FB		 1304 }
1305 break;
1306 }
376253ec 1307 monitor_printf(mon, "'");
9307c4c1
FB		 1308}
1309
376253ec 1310static void memory_dump(Monitor *mon, int count, int format, int wsize,
a8170e5e 1311 hwaddr addr, int is_physical)
9307c4c1 1312{
23842aab 1313 int l, line_size, i, max_digits, len;
9307c4c1
FB		 1314 uint8_t buf[16];
1315 uint64_t v;
854e67fe
TH		 1316 CPUState *cs = mon_get_cpu();
1317
1318 if (!cs && (format == 'i' || !is_physical)) {
1319 monitor_printf(mon, "Can not dump without CPU\n");
1320 return;
1321 }
9307c4c1
FB		 1322
1323 if (format == 'i') {
1d48474d 1324 monitor_disas(mon, cs, addr, count, is_physical);
9307c4c1
FB		 1325 return;
1326 }
1327
1328 len = wsize * count;
1329 if (wsize == 1)
1330 line_size = 8;
1331 else
1332 line_size = 16;
9307c4c1
FB		 1333 max_digits = 0;
1334
1335 switch(format) {
1336 case 'o':
69db8dfc 1337 max_digits = DIV_ROUND_UP(wsize * 8, 3);
9307c4c1
FB		 1338 break;
1339 default:
1340 case 'x':
1341 max_digits = (wsize * 8) / 4;
1342 break;
1343 case 'u':
1344 case 'd':
69db8dfc 1345 max_digits = DIV_ROUND_UP(wsize * 8 * 10, 33);
9307c4c1
FB		 1346 break;
1347 case 'c':
1348 wsize = 1;
1349 break;
1350 }
1351
1352 while (len > 0) {
7743e588 1353 if (is_physical)
376253ec 1354 monitor_printf(mon, TARGET_FMT_plx ":", addr);
7743e588 1355 else
376253ec 1356 monitor_printf(mon, TARGET_FMT_lx ":", (target_ulong)addr);
9307c4c1
FB		 1357 l = len;
1358 if (l > line_size)
1359 l = line_size;
1360 if (is_physical) {
54f7b4a3 1361 cpu_physical_memory_read(addr, buf, l);
9307c4c1 1362 } else {
854e67fe 1363 if (cpu_memory_rw_debug(cs, addr, buf, l, 0) < 0) {
376253ec 1364 monitor_printf(mon, " Cannot access memory\n");
c8f79b67
AL		 1365 break;
1366 }
9307c4c1 1367 }
5fafdf24 1368 i = 0;
9307c4c1
FB		 1369 while (i < l) {
1370 switch(wsize) {
1371 default:
1372 case 1:
24e60305 1373 v = ldub_p(buf + i);
9307c4c1
FB		 1374 break;
1375 case 2:
24e60305 1376 v = lduw_p(buf + i);
9307c4c1
FB		 1377 break;
1378 case 4:
24e60305 1379 v = (uint32_t)ldl_p(buf + i);
9307c4c1
FB		 1380 break;
1381 case 8:
24e60305 1382 v = ldq_p(buf + i);
9307c4c1
FB		 1383 break;
1384 }
376253ec 1385 monitor_printf(mon, " ");
9307c4c1
FB		 1386 switch(format) {
1387 case 'o':
376253ec 1388 monitor_printf(mon, "%#*" PRIo64, max_digits, v);
9307c4c1
FB		 1389 break;
1390 case 'x':
376253ec 1391 monitor_printf(mon, "0x%0*" PRIx64, max_digits, v);
9307c4c1
FB		 1392 break;
1393 case 'u':
376253ec 1394 monitor_printf(mon, "%*" PRIu64, max_digits, v);
9307c4c1
FB		 1395 break;
1396 case 'd':
376253ec 1397 monitor_printf(mon, "%*" PRId64, max_digits, v);
9307c4c1
FB		 1398 break;
1399 case 'c':
376253ec 1400 monitor_printc(mon, v);
9307c4c1
FB		 1401 break;
1402 }
1403 i += wsize;
1404 }
376253ec 1405 monitor_printf(mon, "\n");
9307c4c1
FB		 1406 addr += l;
1407 len -= l;
1408 }
1409}
1410
3e5a50d6 1411static void hmp_memory_dump(Monitor *mon, const QDict *qdict)
9307c4c1 1412{
1bd1442e
LC		 1413 int count = qdict_get_int(qdict, "count");
1414 int format = qdict_get_int(qdict, "format");
1415 int size = qdict_get_int(qdict, "size");
1416 target_long addr = qdict_get_int(qdict, "addr");
1417
376253ec 1418 memory_dump(mon, count, format, size, addr, 0);
9307c4c1
FB		 1419}
1420
3e5a50d6 1421static void hmp_physical_memory_dump(Monitor *mon, const QDict *qdict)
9307c4c1 1422{
1bd1442e
LC		 1423 int count = qdict_get_int(qdict, "count");
1424 int format = qdict_get_int(qdict, "format");
1425 int size = qdict_get_int(qdict, "size");
a8170e5e 1426 hwaddr addr = qdict_get_int(qdict, "addr");
1bd1442e 1427
376253ec 1428 memory_dump(mon, count, format, size, addr, 1);
9307c4c1
FB		 1429}
1430
e9628441
PB		 1431static void *gpa2hva(MemoryRegion **p_mr, hwaddr addr, Error **errp)
1432{
1433 MemoryRegionSection mrs = memory_region_find(get_system_memory(),
1434 addr, 1);
1435
1436 if (!mrs.mr) {
1437 error_setg(errp, "No memory is mapped at address 0x%" HWADDR_PRIx, addr);
1438 return NULL;
1439 }
1440
1441 if (!memory_region_is_ram(mrs.mr) && !memory_region_is_romd(mrs.mr)) {
1442 error_setg(errp, "Memory at address 0x%" HWADDR_PRIx "is not RAM", addr);
1443 memory_region_unref(mrs.mr);
1444 return NULL;
1445 }
1446
1447 *p_mr = mrs.mr;
1448 return qemu_map_ram_ptr(mrs.mr->ram_block, mrs.offset_within_region);
1449}
1450
1451static void hmp_gpa2hva(Monitor *mon, const QDict *qdict)
1452{
1453 hwaddr addr = qdict_get_int(qdict, "addr");
1454 Error *local_err = NULL;
1455 MemoryRegion *mr = NULL;
1456 void *ptr;
1457
1458 ptr = gpa2hva(&mr, addr, &local_err);
1459 if (local_err) {
1460 error_report_err(local_err);
1461 return;
1462 }
1463
1464 monitor_printf(mon, "Host virtual address for 0x%" HWADDR_PRIx
1465 " (%s) is %p\n",
1466 addr, mr->name, ptr);
1467
1468 memory_region_unref(mr);
1469}
1470
1471#ifdef CONFIG_LINUX
1472static uint64_t vtop(void *ptr, Error **errp)
1473{
1474 uint64_t pinfo;
1475 uint64_t ret = -1;
1476 uintptr_t addr = (uintptr_t) ptr;
1477 uintptr_t pagesize = getpagesize();
1478 off_t offset = addr / pagesize * sizeof(pinfo);
1479 int fd;
1480
1481 fd = open("/proc/self/pagemap", O_RDONLY);
1482 if (fd == -1) {
1483 error_setg_errno(errp, errno, "Cannot open /proc/self/pagemap");
1484 return -1;
1485 }
1486
1487 /* Force copy-on-write if necessary. */
1488 atomic_add((uint8_t *)ptr, 0);
1489
1490 if (pread(fd, &pinfo, sizeof(pinfo), offset) != sizeof(pinfo)) {
1491 error_setg_errno(errp, errno, "Cannot read pagemap");
1492 goto out;
1493 }
1494 if ((pinfo & (1ull << 63)) == 0) {
1495 error_setg(errp, "Page not present");
1496 goto out;
1497 }
1498 ret = ((pinfo & 0x007fffffffffffffull) * pagesize) | (addr & (pagesize - 1));
1499
1500out:
1501 close(fd);
1502 return ret;
1503}
1504
1505static void hmp_gpa2hpa(Monitor *mon, const QDict *qdict)
1506{
1507 hwaddr addr = qdict_get_int(qdict, "addr");
1508 Error *local_err = NULL;
1509 MemoryRegion *mr = NULL;
1510 void *ptr;
1511 uint64_t physaddr;
1512
1513 ptr = gpa2hva(&mr, addr, &local_err);
1514 if (local_err) {
1515 error_report_err(local_err);
1516 return;
1517 }
1518
1519 physaddr = vtop(ptr, &local_err);
1520 if (local_err) {
1521 error_report_err(local_err);
1522 } else {
1523 monitor_printf(mon, "Host physical address for 0x%" HWADDR_PRIx
1524 " (%s) is 0x%" PRIx64 "\n",
1525 addr, mr->name, (uint64_t) physaddr);
1526 }
1527
1528 memory_region_unref(mr);
1529}
1530#endif
1531
1bd1442e 1532static void do_print(Monitor *mon, const QDict *qdict)
9307c4c1 1533{
1bd1442e 1534 int format = qdict_get_int(qdict, "format");
a8170e5e 1535 hwaddr val = qdict_get_int(qdict, "val");
1bd1442e 1536
9307c4c1
FB		 1537 switch(format) {
1538 case 'o':
a8170e5e 1539 monitor_printf(mon, "%#" HWADDR_PRIo, val);
9307c4c1
FB		 1540 break;
1541 case 'x':
a8170e5e 1542 monitor_printf(mon, "%#" HWADDR_PRIx, val);
9307c4c1
FB		 1543 break;
1544 case 'u':
a8170e5e 1545 monitor_printf(mon, "%" HWADDR_PRIu, val);
9307c4c1
FB		 1546 break;
1547 default:
1548 case 'd':
a8170e5e 1549 monitor_printf(mon, "%" HWADDR_PRId, val);
9307c4c1
FB		 1550 break;
1551 case 'c':
376253ec 1552 monitor_printc(mon, val);
9307c4c1
FB		 1553 break;
1554 }
376253ec 1555 monitor_printf(mon, "\n");
9307c4c1
FB		 1556}
1557
3e5a50d6 1558static void hmp_sum(Monitor *mon, const QDict *qdict)
e4cf1adc
FB		 1559{
1560 uint32_t addr;
e4cf1adc 1561 uint16_t sum;
f18c16de
LC		 1562 uint32_t start = qdict_get_int(qdict, "start");
1563 uint32_t size = qdict_get_int(qdict, "size");
e4cf1adc
FB		 1564
1565 sum = 0;
1566 for(addr = start; addr < (start + size); addr++) {
42874d3a
PM		 1567 uint8_t val = address_space_ldub(&address_space_memory, addr,
1568 MEMTXATTRS_UNSPECIFIED, NULL);
e4cf1adc
FB		 1569 /* BSD sum algorithm ('sum' Unix command) */
1570 sum = (sum >> 1) | (sum << 15);
54f7b4a3 1571 sum += val;
e4cf1adc 1572 }
376253ec 1573 monitor_printf(mon, "%05d\n", sum);
e4cf1adc
FB		 1574}
1575
13224a87
FB		 1576static int mouse_button_state;
1577
3e5a50d6 1578static void hmp_mouse_move(Monitor *mon, const QDict *qdict)
13224a87 1579{
c751a74a 1580 int dx, dy, dz, button;
1d4daa91
LC		 1581 const char *dx_str = qdict_get_str(qdict, "dx_str");
1582 const char *dy_str = qdict_get_str(qdict, "dy_str");
1583 const char *dz_str = qdict_get_try_str(qdict, "dz_str");
c751a74a 1584
13224a87
FB		 1585 dx = strtol(dx_str, NULL, 0);
1586 dy = strtol(dy_str, NULL, 0);
c751a74a
GH		 1587 qemu_input_queue_rel(NULL, INPUT_AXIS_X, dx);
1588 qemu_input_queue_rel(NULL, INPUT_AXIS_Y, dy);
1589
1590 if (dz_str) {
13224a87 1591 dz = strtol(dz_str, NULL, 0);
c751a74a 1592 if (dz != 0) {
f22d0af0 1593 button = (dz > 0) ? INPUT_BUTTON_WHEEL_UP : INPUT_BUTTON_WHEEL_DOWN;
c751a74a
GH		 1594 qemu_input_queue_btn(NULL, button, true);
1595 qemu_input_event_sync();
1596 qemu_input_queue_btn(NULL, button, false);
1597 }
1598 }
1599 qemu_input_event_sync();
13224a87
FB		 1600}
1601
3e5a50d6 1602static void hmp_mouse_button(Monitor *mon, const QDict *qdict)
13224a87 1603{
7fb1cf16 1604 static uint32_t bmap[INPUT_BUTTON__MAX] = {
c751a74a
GH		 1605 [INPUT_BUTTON_LEFT] = MOUSE_EVENT_LBUTTON,
1606 [INPUT_BUTTON_MIDDLE] = MOUSE_EVENT_MBUTTON,
1607 [INPUT_BUTTON_RIGHT] = MOUSE_EVENT_RBUTTON,
1608 };
d54908a5 1609 int button_state = qdict_get_int(qdict, "button_state");
c751a74a
GH		 1610
1611 if (mouse_button_state == button_state) {
1612 return;
1613 }
1614 qemu_input_update_buttons(NULL, bmap, mouse_button_state, button_state);
1615 qemu_input_event_sync();
13224a87 1616 mouse_button_state = button_state;
13224a87
FB		 1617}
1618
3e5a50d6 1619static void hmp_ioport_read(Monitor *mon, const QDict *qdict)
3440557b 1620{
aa93e39c
LC		 1621 int size = qdict_get_int(qdict, "size");
1622 int addr = qdict_get_int(qdict, "addr");
1623 int has_index = qdict_haskey(qdict, "index");
3440557b
FB		 1624 uint32_t val;
1625 int suffix;
1626
1627 if (has_index) {
aa93e39c 1628 int index = qdict_get_int(qdict, "index");
afcea8cb 1629 cpu_outb(addr & IOPORTS_MASK, index & 0xff);
3440557b
FB		 1630 addr++;
1631 }
1632 addr &= 0xffff;
1633
1634 switch(size) {
1635 default:
1636 case 1:
afcea8cb 1637 val = cpu_inb(addr);
3440557b
FB		 1638 suffix = 'b';
1639 break;
1640 case 2:
afcea8cb 1641 val = cpu_inw(addr);
3440557b
FB		 1642 suffix = 'w';
1643 break;
1644 case 4:
afcea8cb 1645 val = cpu_inl(addr);
3440557b
FB		 1646 suffix = 'l';
1647 break;
1648 }
376253ec
AL		 1649 monitor_printf(mon, "port%c[0x%04x] = %#0*x\n",
1650 suffix, addr, size * 2, val);
3440557b 1651}
a3a91a35 1652
3e5a50d6 1653static void hmp_ioport_write(Monitor *mon, const QDict *qdict)
f114784f 1654{
1bd1442e
LC		 1655 int size = qdict_get_int(qdict, "size");
1656 int addr = qdict_get_int(qdict, "addr");
1657 int val = qdict_get_int(qdict, "val");
1658
f114784f
JK		 1659 addr &= IOPORTS_MASK;
1660
1661 switch (size) {
1662 default:
1663 case 1:
afcea8cb 1664 cpu_outb(addr, val);
f114784f
JK		 1665 break;
1666 case 2:
afcea8cb 1667 cpu_outw(addr, val);
f114784f
JK		 1668 break;
1669 case 4:
afcea8cb 1670 cpu_outl(addr, val);
f114784f
JK		 1671 break;
1672 }
1673}
1674
3e5a50d6 1675static void hmp_boot_set(Monitor *mon, const QDict *qdict)
0ecdffbb 1676{
f1839938 1677 Error *local_err = NULL;
d54908a5 1678 const char *bootdevice = qdict_get_str(qdict, "bootdevice");
0ecdffbb 1679
f1839938
GA		 1680 qemu_boot_set(bootdevice, &local_err);
1681 if (local_err) {
193227f9 1682 error_report_err(local_err);
0ecdffbb 1683 } else {
f1839938 1684 monitor_printf(mon, "boot device list now set to %s\n", bootdevice);
0ecdffbb
AJ		 1685 }
1686}
1687
1ce6be24 1688static void hmp_info_mtree(Monitor *mon, const QDict *qdict)
314e2987 1689{
57bb40c9 1690 bool flatview = qdict_get_try_bool(qdict, "flatview", false);
5e8fd947 1691 bool dispatch_tree = qdict_get_try_bool(qdict, "dispatch_tree", false);
57bb40c9 1692
5e8fd947 1693 mtree_info((fprintf_function)monitor_printf, mon, flatview, dispatch_tree);
314e2987
BS		 1694}
1695
1ce6be24 1696static void hmp_info_numa(Monitor *mon, const QDict *qdict)
030ea37b 1697{
b28b6230 1698 int i;
31959e82 1699 NumaNodeMem *node_mem;
f75cd44d 1700 CpuInfoList *cpu_list, *cpu;
030ea37b 1701
f75cd44d 1702 cpu_list = qmp_query_cpus(&error_abort);
31959e82
VG		 1703 node_mem = g_new0(NumaNodeMem, nb_numa_nodes);
1704
5b009e40 1705 query_numa_node_mem(node_mem);
030ea37b
AL		 1706 monitor_printf(mon, "%d nodes\n", nb_numa_nodes);
1707 for (i = 0; i < nb_numa_nodes; i++) {
1708 monitor_printf(mon, "node %d cpus:", i);
f75cd44d
IM		 1709 for (cpu = cpu_list; cpu; cpu = cpu->next) {
1710 if (cpu->value->has_props && cpu->value->props->has_node_id &&
1711 cpu->value->props->node_id == i) {
1712 monitor_printf(mon, " %" PRIi64, cpu->value->CPU);
030ea37b
AL		 1713 }
1714 }
1715 monitor_printf(mon, "\n");
1716 monitor_printf(mon, "node %d size: %" PRId64 " MB\n", i,
31959e82
VG		 1717 node_mem[i].node_mem >> 20);
1718 monitor_printf(mon, "node %d plugged: %" PRId64 " MB\n", i,
1719 node_mem[i].node_plugged_mem >> 20);
030ea37b 1720 }
f75cd44d 1721 qapi_free_CpuInfoList(cpu_list);
5b009e40 1722 g_free(node_mem);
030ea37b
AL		 1723}
1724
5f1ce948
FB		 1725#ifdef CONFIG_PROFILER
1726
89d5cbdd 1727int64_t tcg_time;
e9a6625e
AJ		 1728int64_t dev_time;
1729
1ce6be24 1730static void hmp_info_profile(Monitor *mon, const QDict *qdict)
5f1ce948 1731{
376253ec 1732 monitor_printf(mon, "async time %" PRId64 " (%0.3f)\n",
73bcb24d 1733 dev_time, dev_time / (double)NANOSECONDS_PER_SECOND);
376253ec 1734 monitor_printf(mon, "qemu time %" PRId64 " (%0.3f)\n",
73bcb24d 1735 tcg_time, tcg_time / (double)NANOSECONDS_PER_SECOND);
89d5cbdd 1736 tcg_time = 0;
5f1ce948 1737 dev_time = 0;
5f1ce948
FB		 1738}
1739#else
1ce6be24 1740static void hmp_info_profile(Monitor *mon, const QDict *qdict)
5f1ce948 1741{
376253ec 1742 monitor_printf(mon, "Internal profiler not compiled\n");
5f1ce948
FB		 1743}
1744#endif
1745
ec36b695 1746/* Capture support */
72cf2d4f 1747static QLIST_HEAD (capture_list_head, CaptureState) capture_head;
ec36b695 1748
1ce6be24 1749static void hmp_info_capture(Monitor *mon, const QDict *qdict)
ec36b695
FB		 1750{
1751 int i;
1752 CaptureState *s;
1753
1754 for (s = capture_head.lh_first, i = 0; s; s = s->entries.le_next, ++i) {
376253ec 1755 monitor_printf(mon, "[%d]: ", i);
ec36b695
FB		 1756 s->ops.info (s->opaque);
1757 }
1758}
1759
3e5a50d6 1760static void hmp_stopcapture(Monitor *mon, const QDict *qdict)
ec36b695
FB		 1761{
1762 int i;
d54908a5 1763 int n = qdict_get_int(qdict, "n");
ec36b695
FB		 1764 CaptureState *s;
1765
1766 for (s = capture_head.lh_first, i = 0; s; s = s->entries.le_next, ++i) {
1767 if (i == n) {
1768 s->ops.destroy (s->opaque);
72cf2d4f 1769 QLIST_REMOVE (s, entries);
7267c094 1770 g_free (s);
ec36b695
FB		 1771 return;
1772 }
1773 }
1774}
1775
3e5a50d6 1776static void hmp_wavcapture(Monitor *mon, const QDict *qdict)
c1925484
LC		 1777{
1778 const char *path = qdict_get_str(qdict, "path");
1779 int has_freq = qdict_haskey(qdict, "freq");
1780 int freq = qdict_get_try_int(qdict, "freq", -1);
1781 int has_bits = qdict_haskey(qdict, "bits");
1782 int bits = qdict_get_try_int(qdict, "bits", -1);
1783 int has_channels = qdict_haskey(qdict, "nchannels");
1784 int nchannels = qdict_get_try_int(qdict, "nchannels", -1);
ec36b695
FB		 1785 CaptureState *s;
1786
7267c094 1787 s = g_malloc0 (sizeof (*s));
ec36b695
FB		 1788
1789 freq = has_freq ? freq : 44100;
1790 bits = has_bits ? bits : 16;
1791 nchannels = has_channels ? nchannels : 2;
1792
1793 if (wav_start_capture (s, path, freq, bits, nchannels)) {
d00b2618 1794 monitor_printf(mon, "Failed to add wave capture\n");
7267c094 1795 g_free (s);
d00b2618 1796 return;
ec36b695 1797 }
72cf2d4f 1798 QLIST_INSERT_HEAD (&capture_head, s, entries);
ec36b695 1799}
ec36b695 1800
15dfcd45 1801static qemu_acl *find_acl(Monitor *mon, const char *name)
76655d6d 1802{
15dfcd45 1803 qemu_acl *acl = qemu_acl_find(name);
76655d6d 1804
76655d6d 1805 if (!acl) {
15dfcd45 1806 monitor_printf(mon, "acl: unknown list '%s'\n", name);
76655d6d 1807 }
15dfcd45
JK		 1808 return acl;
1809}
1810
3e5a50d6 1811static void hmp_acl_show(Monitor *mon, const QDict *qdict)
15dfcd45 1812{
d54908a5 1813 const char *aclname = qdict_get_str(qdict, "aclname");
15dfcd45
JK		 1814 qemu_acl *acl = find_acl(mon, aclname);
1815 qemu_acl_entry *entry;
1816 int i = 0;
76655d6d 1817
15dfcd45 1818 if (acl) {
28a76be8 1819 monitor_printf(mon, "policy: %s\n",
76655d6d 1820 acl->defaultDeny ? "deny" : "allow");
72cf2d4f 1821 QTAILQ_FOREACH(entry, &acl->entries, next) {
28a76be8
AL		 1822 i++;
1823 monitor_printf(mon, "%d: %s %s\n", i,
15dfcd45 1824 entry->deny ? "deny" : "allow", entry->match);
28a76be8 1825 }
15dfcd45
JK		 1826 }
1827}
1828
3e5a50d6 1829static void hmp_acl_reset(Monitor *mon, const QDict *qdict)
15dfcd45 1830{
d54908a5 1831 const char *aclname = qdict_get_str(qdict, "aclname");
15dfcd45
JK		 1832 qemu_acl *acl = find_acl(mon, aclname);
1833
1834 if (acl) {
28a76be8
AL		 1835 qemu_acl_reset(acl);
1836 monitor_printf(mon, "acl: removed all rules\n");
15dfcd45
JK		 1837 }
1838}
1839
3e5a50d6 1840static void hmp_acl_policy(Monitor *mon, const QDict *qdict)
15dfcd45 1841{
f18c16de
LC		 1842 const char *aclname = qdict_get_str(qdict, "aclname");
1843 const char *policy = qdict_get_str(qdict, "policy");
15dfcd45 1844 qemu_acl *acl = find_acl(mon, aclname);
28a76be8 1845
15dfcd45
JK		 1846 if (acl) {
1847 if (strcmp(policy, "allow") == 0) {
28a76be8
AL		 1848 acl->defaultDeny = 0;
1849 monitor_printf(mon, "acl: policy set to 'allow'\n");
15dfcd45 1850 } else if (strcmp(policy, "deny") == 0) {
28a76be8
AL		 1851 acl->defaultDeny = 1;
1852 monitor_printf(mon, "acl: policy set to 'deny'\n");
1853 } else {
15dfcd45
JK		 1854 monitor_printf(mon, "acl: unknown policy '%s', "
1855 "expected 'deny' or 'allow'\n", policy);
28a76be8 1856 }
15dfcd45
JK		 1857 }
1858}
28a76be8 1859
3e5a50d6 1860static void hmp_acl_add(Monitor *mon, const QDict *qdict)
15dfcd45 1861{
1bd1442e
LC		 1862 const char *aclname = qdict_get_str(qdict, "aclname");
1863 const char *match = qdict_get_str(qdict, "match");
1864 const char *policy = qdict_get_str(qdict, "policy");
1865 int has_index = qdict_haskey(qdict, "index");
1866 int index = qdict_get_try_int(qdict, "index", -1);
15dfcd45
JK		 1867 qemu_acl *acl = find_acl(mon, aclname);
1868 int deny, ret;
1869
1870 if (acl) {
1871 if (strcmp(policy, "allow") == 0) {
1872 deny = 0;
1873 } else if (strcmp(policy, "deny") == 0) {
1874 deny = 1;
1875 } else {
1876 monitor_printf(mon, "acl: unknown policy '%s', "
1877 "expected 'deny' or 'allow'\n", policy);
28a76be8
AL		 1878 return;
1879 }
28a76be8
AL		 1880 if (has_index)
1881 ret = qemu_acl_insert(acl, deny, match, index);
1882 else
1883 ret = qemu_acl_append(acl, deny, match);
1884 if (ret < 0)
1885 monitor_printf(mon, "acl: unable to add acl entry\n");
1886 else
1887 monitor_printf(mon, "acl: added rule at position %d\n", ret);
15dfcd45
JK		 1888 }
1889}
28a76be8 1890
3e5a50d6 1891static void hmp_acl_remove(Monitor *mon, const QDict *qdict)
15dfcd45 1892{
f18c16de
LC		 1893 const char *aclname = qdict_get_str(qdict, "aclname");
1894 const char *match = qdict_get_str(qdict, "match");
15dfcd45
JK		 1895 qemu_acl *acl = find_acl(mon, aclname);
1896 int ret;
28a76be8 1897
15dfcd45 1898 if (acl) {
28a76be8
AL		 1899 ret = qemu_acl_remove(acl, match);
1900 if (ret < 0)
1901 monitor_printf(mon, "acl: no matching acl entry\n");
1902 else
1903 monitor_printf(mon, "acl: removed rule at position %d\n", ret);
76655d6d
AL		 1904 }
1905}
1906
208c9d1b 1907void qmp_getfd(const char *fdname, Error **errp)
f07918fd 1908{
c227f099 1909 mon_fd_t *monfd;
f07918fd
MM		 1910 int fd;
1911
5345fdb4 1912 fd = qemu_chr_fe_get_msgfd(&cur_mon->chr);
f07918fd 1913 if (fd == -1) {
c6bd8c70 1914 error_setg(errp, QERR_FD_NOT_SUPPLIED);
208c9d1b 1915 return;
f07918fd
MM		 1916 }
1917
1918 if (qemu_isdigit(fdname[0])) {
0b9f0e2f 1919 close(fd);
c6bd8c70
MA		 1920 error_setg(errp, QERR_INVALID_PARAMETER_VALUE, "fdname",
1921 "a name not starting with a digit");
208c9d1b 1922 return;
f07918fd
MM		 1923 }
1924
208c9d1b 1925 QLIST_FOREACH(monfd, &cur_mon->fds, next) {
f07918fd
MM		 1926 if (strcmp(monfd->name, fdname) != 0) {
1927 continue;
1928 }
1929
1930 close(monfd->fd);
1931 monfd->fd = fd;
208c9d1b 1932 return;
f07918fd
MM		 1933 }
1934
7267c094
AL		 1935 monfd = g_malloc0(sizeof(mon_fd_t));
1936 monfd->name = g_strdup(fdname);
f07918fd
MM		 1937 monfd->fd = fd;
1938
208c9d1b 1939 QLIST_INSERT_HEAD(&cur_mon->fds, monfd, next);
f07918fd
MM		 1940}
1941
208c9d1b 1942void qmp_closefd(const char *fdname, Error **errp)
f07918fd 1943{
c227f099 1944 mon_fd_t *monfd;
f07918fd 1945
208c9d1b 1946 QLIST_FOREACH(monfd, &cur_mon->fds, next) {
f07918fd
MM		 1947 if (strcmp(monfd->name, fdname) != 0) {
1948 continue;
1949 }
1950
72cf2d4f 1951 QLIST_REMOVE(monfd, next);
f07918fd 1952 close(monfd->fd);
7267c094
AL		 1953 g_free(monfd->name);
1954 g_free(monfd);
208c9d1b 1955 return;
f07918fd
MM		 1956 }
1957
c6bd8c70 1958 error_setg(errp, QERR_FD_NOT_FOUND, fdname);
f07918fd
MM		 1959}
1960
a9940fc4 1961int monitor_get_fd(Monitor *mon, const char *fdname, Error **errp)
7768e04c 1962{
c227f099 1963 mon_fd_t *monfd;
7768e04c 1964
72cf2d4f 1965 QLIST_FOREACH(monfd, &mon->fds, next) {
7768e04c
MM		 1966 int fd;
1967
1968 if (strcmp(monfd->name, fdname) != 0) {
1969 continue;
1970 }
1971
1972 fd = monfd->fd;
1973
1974 /* caller takes ownership of fd */
72cf2d4f 1975 QLIST_REMOVE(monfd, next);
7267c094
AL		 1976 g_free(monfd->name);
1977 g_free(monfd);
7768e04c
MM		 1978
1979 return fd;
1980 }
1981
a9940fc4 1982 error_setg(errp, "File descriptor named '%s' has not been found", fdname);
7768e04c
MM		 1983 return -1;
1984}
1985
ba1c048a
CB		 1986static void monitor_fdset_cleanup(MonFdset *mon_fdset)
1987{
1988 MonFdsetFd *mon_fdset_fd;
1989 MonFdsetFd *mon_fdset_fd_next;
1990
1991 QLIST_FOREACH_SAFE(mon_fdset_fd, &mon_fdset->fds, next, mon_fdset_fd_next) {
ebe52b59
CB		 1992 if ((mon_fdset_fd->removed ||
1993 (QLIST_EMPTY(&mon_fdset->dup_fds) && mon_refcount == 0)) &&
1994 runstate_is_running()) {
ba1c048a
CB		 1995 close(mon_fdset_fd->fd);
1996 g_free(mon_fdset_fd->opaque);
1997 QLIST_REMOVE(mon_fdset_fd, next);
1998 g_free(mon_fdset_fd);
1999 }
2000 }
2001
adb696f3 2002 if (QLIST_EMPTY(&mon_fdset->fds) && QLIST_EMPTY(&mon_fdset->dup_fds)) {
ba1c048a
CB		 2003 QLIST_REMOVE(mon_fdset, next);
2004 g_free(mon_fdset);
2005 }
2006}
2007
efb87c16
CB		 2008static void monitor_fdsets_cleanup(void)
2009{
2010 MonFdset *mon_fdset;
2011 MonFdset *mon_fdset_next;
2012
2013 QLIST_FOREACH_SAFE(mon_fdset, &mon_fdsets, next, mon_fdset_next) {
2014 monitor_fdset_cleanup(mon_fdset);
2015 }
2016}
2017
ba1c048a
CB		 2018AddfdInfo *qmp_add_fd(bool has_fdset_id, int64_t fdset_id, bool has_opaque,
2019 const char *opaque, Error **errp)
2020{
2021 int fd;
2022 Monitor *mon = cur_mon;
ba1c048a
CB		 2023 AddfdInfo *fdinfo;
2024
5345fdb4 2025 fd = qemu_chr_fe_get_msgfd(&mon->chr);
ba1c048a 2026 if (fd == -1) {
c6bd8c70 2027 error_setg(errp, QERR_FD_NOT_SUPPLIED);
ba1c048a
CB		 2028 goto error;
2029 }
2030
e446f70d
CB		 2031 fdinfo = monitor_fdset_add_fd(fd, has_fdset_id, fdset_id,
2032 has_opaque, opaque, errp);
2033 if (fdinfo) {
2034 return fdinfo;
ba1c048a 2035 }
ba1c048a
CB		 2036
2037error:
2038 if (fd != -1) {
2039 close(fd);
2040 }
2041 return NULL;
2042}
2043
2044void qmp_remove_fd(int64_t fdset_id, bool has_fd, int64_t fd, Error **errp)
2045{
2046 MonFdset *mon_fdset;
2047 MonFdsetFd *mon_fdset_fd;
2048 char fd_str[60];
2049
2050 QLIST_FOREACH(mon_fdset, &mon_fdsets, next) {
2051 if (mon_fdset->id != fdset_id) {
2052 continue;
2053 }
2054 QLIST_FOREACH(mon_fdset_fd, &mon_fdset->fds, next) {
2055 if (has_fd) {
2056 if (mon_fdset_fd->fd != fd) {
2057 continue;
2058 }
2059 mon_fdset_fd->removed = true;
2060 break;
2061 } else {
2062 mon_fdset_fd->removed = true;
2063 }
2064 }
2065 if (has_fd && !mon_fdset_fd) {
2066 goto error;
2067 }
2068 monitor_fdset_cleanup(mon_fdset);
2069 return;
2070 }
2071
2072error:
2073 if (has_fd) {
2074 snprintf(fd_str, sizeof(fd_str), "fdset-id:%" PRId64 ", fd:%" PRId64,
2075 fdset_id, fd);
2076 } else {
2077 snprintf(fd_str, sizeof(fd_str), "fdset-id:%" PRId64, fdset_id);
2078 }
c6bd8c70 2079 error_setg(errp, QERR_FD_NOT_FOUND, fd_str);
ba1c048a
CB		 2080}
2081
2082FdsetInfoList *qmp_query_fdsets(Error **errp)
2083{
2084 MonFdset *mon_fdset;
2085 MonFdsetFd *mon_fdset_fd;
2086 FdsetInfoList *fdset_list = NULL;
2087
2088 QLIST_FOREACH(mon_fdset, &mon_fdsets, next) {
2089 FdsetInfoList *fdset_info = g_malloc0(sizeof(*fdset_info));
2090 FdsetFdInfoList *fdsetfd_list = NULL;
2091
2092 fdset_info->value = g_malloc0(sizeof(*fdset_info->value));
2093 fdset_info->value->fdset_id = mon_fdset->id;
2094
2095 QLIST_FOREACH(mon_fdset_fd, &mon_fdset->fds, next) {
2096 FdsetFdInfoList *fdsetfd_info;
2097
2098 fdsetfd_info = g_malloc0(sizeof(*fdsetfd_info));
2099 fdsetfd_info->value = g_malloc0(sizeof(*fdsetfd_info->value));
2100 fdsetfd_info->value->fd = mon_fdset_fd->fd;
2101 if (mon_fdset_fd->opaque) {
2102 fdsetfd_info->value->has_opaque = true;
2103 fdsetfd_info->value->opaque = g_strdup(mon_fdset_fd->opaque);
2104 } else {
2105 fdsetfd_info->value->has_opaque = false;
2106 }
2107
2108 fdsetfd_info->next = fdsetfd_list;
2109 fdsetfd_list = fdsetfd_info;
2110 }
2111
2112 fdset_info->value->fds = fdsetfd_list;
2113
2114 fdset_info->next = fdset_list;
2115 fdset_list = fdset_info;
2116 }
2117
2118 return fdset_list;
2119}
2120
e446f70d
CB		 2121AddfdInfo *monitor_fdset_add_fd(int fd, bool has_fdset_id, int64_t fdset_id,
2122 bool has_opaque, const char *opaque,
2123 Error **errp)
2124{
2125 MonFdset *mon_fdset = NULL;
2126 MonFdsetFd *mon_fdset_fd;
2127 AddfdInfo *fdinfo;
2128
2129 if (has_fdset_id) {
2130 QLIST_FOREACH(mon_fdset, &mon_fdsets, next) {
2131 /* Break if match found or match impossible due to ordering by ID */
2132 if (fdset_id <= mon_fdset->id) {
2133 if (fdset_id < mon_fdset->id) {
2134 mon_fdset = NULL;
2135 }
2136 break;
2137 }
2138 }
2139 }
2140
2141 if (mon_fdset == NULL) {
2142 int64_t fdset_id_prev = -1;
2143 MonFdset *mon_fdset_cur = QLIST_FIRST(&mon_fdsets);
2144
2145 if (has_fdset_id) {
2146 if (fdset_id < 0) {
c6bd8c70
MA		 2147 error_setg(errp, QERR_INVALID_PARAMETER_VALUE, "fdset-id",
2148 "a non-negative value");
e446f70d
CB		 2149 return NULL;
2150 }
2151 /* Use specified fdset ID */
2152 QLIST_FOREACH(mon_fdset, &mon_fdsets, next) {
2153 mon_fdset_cur = mon_fdset;
2154 if (fdset_id < mon_fdset_cur->id) {
2155 break;
2156 }
2157 }
2158 } else {
2159 /* Use first available fdset ID */
2160 QLIST_FOREACH(mon_fdset, &mon_fdsets, next) {
2161 mon_fdset_cur = mon_fdset;
2162 if (fdset_id_prev == mon_fdset_cur->id - 1) {
2163 fdset_id_prev = mon_fdset_cur->id;
2164 continue;
2165 }
2166 break;
2167 }
2168 }
2169
2170 mon_fdset = g_malloc0(sizeof(*mon_fdset));
2171 if (has_fdset_id) {
2172 mon_fdset->id = fdset_id;
2173 } else {
2174 mon_fdset->id = fdset_id_prev + 1;
2175 }
2176
2177 /* The fdset list is ordered by fdset ID */
2178 if (!mon_fdset_cur) {
2179 QLIST_INSERT_HEAD(&mon_fdsets, mon_fdset, next);
2180 } else if (mon_fdset->id < mon_fdset_cur->id) {
2181 QLIST_INSERT_BEFORE(mon_fdset_cur, mon_fdset, next);
2182 } else {
2183 QLIST_INSERT_AFTER(mon_fdset_cur, mon_fdset, next);
2184 }
2185 }
2186
2187 mon_fdset_fd = g_malloc0(sizeof(*mon_fdset_fd));
2188 mon_fdset_fd->fd = fd;
2189 mon_fdset_fd->removed = false;
2190 if (has_opaque) {
2191 mon_fdset_fd->opaque = g_strdup(opaque);
2192 }
2193 QLIST_INSERT_HEAD(&mon_fdset->fds, mon_fdset_fd, next);
2194
2195 fdinfo = g_malloc0(sizeof(*fdinfo));
2196 fdinfo->fdset_id = mon_fdset->id;
2197 fdinfo->fd = mon_fdset_fd->fd;
2198
2199 return fdinfo;
2200}
2201
adb696f3
CB		 2202int monitor_fdset_get_fd(int64_t fdset_id, int flags)
2203{
b2dc64c3 2204#ifndef _WIN32
adb696f3
CB		 2205 MonFdset *mon_fdset;
2206 MonFdsetFd *mon_fdset_fd;
2207 int mon_fd_flags;
2208
adb696f3
CB		 2209 QLIST_FOREACH(mon_fdset, &mon_fdsets, next) {
2210 if (mon_fdset->id != fdset_id) {
2211 continue;
2212 }
2213 QLIST_FOREACH(mon_fdset_fd, &mon_fdset->fds, next) {
2214 mon_fd_flags = fcntl(mon_fdset_fd->fd, F_GETFL);
2215 if (mon_fd_flags == -1) {
2216 return -1;
2217 }
2218
2219 if ((flags & O_ACCMODE) == (mon_fd_flags & O_ACCMODE)) {
2220 return mon_fdset_fd->fd;
2221 }
2222 }
2223 errno = EACCES;
2224 return -1;
2225 }
2226#endif
2227
2228 errno = ENOENT;
2229 return -1;
2230}
2231
2232int monitor_fdset_dup_fd_add(int64_t fdset_id, int dup_fd)
2233{
2234 MonFdset *mon_fdset;
2235 MonFdsetFd *mon_fdset_fd_dup;
2236
2237 QLIST_FOREACH(mon_fdset, &mon_fdsets, next) {
2238 if (mon_fdset->id != fdset_id) {
2239 continue;
2240 }
2241 QLIST_FOREACH(mon_fdset_fd_dup, &mon_fdset->dup_fds, next) {
2242 if (mon_fdset_fd_dup->fd == dup_fd) {
2243 return -1;
2244 }
2245 }
2246 mon_fdset_fd_dup = g_malloc0(sizeof(*mon_fdset_fd_dup));
2247 mon_fdset_fd_dup->fd = dup_fd;
2248 QLIST_INSERT_HEAD(&mon_fdset->dup_fds, mon_fdset_fd_dup, next);
2249 return 0;
2250 }
2251 return -1;
2252}
2253
2254static int monitor_fdset_dup_fd_find_remove(int dup_fd, bool remove)
2255{
2256 MonFdset *mon_fdset;
2257 MonFdsetFd *mon_fdset_fd_dup;
2258
2259 QLIST_FOREACH(mon_fdset, &mon_fdsets, next) {
2260 QLIST_FOREACH(mon_fdset_fd_dup, &mon_fdset->dup_fds, next) {
2261 if (mon_fdset_fd_dup->fd == dup_fd) {
2262 if (remove) {
2263 QLIST_REMOVE(mon_fdset_fd_dup, next);
2264 if (QLIST_EMPTY(&mon_fdset->dup_fds)) {
2265 monitor_fdset_cleanup(mon_fdset);
2266 }
b3dd1b8c
MT		 2267 return -1;
2268 } else {
2269 return mon_fdset->id;
adb696f3 2270 }
adb696f3
CB		 2271 }
2272 }
2273 }
2274 return -1;
2275}
2276
2277int monitor_fdset_dup_fd_find(int dup_fd)
2278{
2279 return monitor_fdset_dup_fd_find_remove(dup_fd, false);
2280}
2281
b3dd1b8c 2282void monitor_fdset_dup_fd_remove(int dup_fd)
adb696f3 2283{
b3dd1b8c 2284 monitor_fdset_dup_fd_find_remove(dup_fd, true);
adb696f3
CB		 2285}
2286
1677f4c6 2287int monitor_fd_param(Monitor *mon, const char *fdname, Error **errp)
5906366e
LE		 2288{
2289 int fd;
2290 Error *local_err = NULL;
a96ed02f 2291
5906366e 2292 if (!qemu_isdigit(fdname[0]) && mon) {
a9940fc4 2293 fd = monitor_get_fd(mon, fdname, &local_err);
5906366e
LE		 2294 } else {
2295 fd = qemu_parse_fd(fdname);
a96ed02f 2296 if (fd == -1) {
5906366e
LE		 2297 error_setg(&local_err, "Invalid file descriptor number '%s'",
2298 fdname);
a96ed02f 2299 }
5906366e
LE		 2300 }
2301 if (local_err) {
2302 error_propagate(errp, local_err);
2303 assert(fd == -1);
a96ed02f 2304 } else {
5906366e 2305 assert(fd != -1);
a96ed02f
NB		 2306 }
2307
2308 return fd;
2309}
2310
acd0a093 2311/* Please update hmp-commands.hx when adding or changing commands */
816f8925 2312static mon_cmd_t info_cmds[] = {
da76ee76
PB		 2313#include "hmp-commands-info.h"
2314 { NULL, NULL, },
9dc39cba
FB		 2315};
2316
a13ced59
WX		 2317/* mon_cmds and info_cmds would be sorted at runtime */
2318static mon_cmd_t mon_cmds[] = {
2319#include "hmp-commands.h"
2320 { NULL, NULL, },
2321};
2322
9307c4c1
FB		 2323/*******************************************************************/
2324
2325static const char *pch;
6ab7e546 2326static sigjmp_buf expr_env;
9307c4c1 2327
9307c4c1 2328
9c3175cc
SW		 2329static void GCC_FMT_ATTR(2, 3) QEMU_NORETURN
2330expr_error(Monitor *mon, const char *fmt, ...)
9dc39cba 2331{
277acfe8
FZ		 2332 va_list ap;
2333 va_start(ap, fmt);
2334 monitor_vprintf(mon, fmt, ap);
2335 monitor_printf(mon, "\n");
2336 va_end(ap);
6ab7e546 2337 siglongjmp(expr_env, 1);
9307c4c1
FB		 2338}
2339
09b9418c 2340/* return 0 if OK, -1 if not found */
92a31b1f 2341static int get_monitor_def(target_long *pval, const char *name)
9307c4c1 2342{
bf957284 2343 const MonitorDef *md = target_monitor_defs();
854e67fe 2344 CPUState *cs = mon_get_cpu();
92a31b1f 2345 void *ptr;
0a9516c2
AK		 2346 uint64_t tmp = 0;
2347 int ret;
92a31b1f 2348
854e67fe 2349 if (cs == NULL || md == NULL) {
bf957284
PB		 2350 return -1;
2351 }
2352
2353 for(; md->name != NULL; md++) {
9307c4c1
FB		 2354 if (compare_cmd(name, md->name)) {
2355 if (md->get_value) {
e95c8d51 2356 *pval = md->get_value(md, md->offset);
9307c4c1 2357 } else {
5bcda5f7 2358 CPUArchState *env = mon_get_cpu_env();
6a00d601 2359 ptr = (uint8_t *)env + md->offset;
92a31b1f
FB		 2360 switch(md->type) {
2361 case MD_I32:
2362 *pval = *(int32_t *)ptr;
2363 break;
2364 case MD_TLONG:
2365 *pval = *(target_long *)ptr;
2366 break;
2367 default:
2368 *pval = 0;
2369 break;
2370 }
9307c4c1
FB		 2371 }
2372 return 0;
2373 }
2374 }
0a9516c2 2375
854e67fe 2376 ret = target_get_monitor_def(cs, name, &tmp);
0a9516c2
AK		 2377 if (!ret) {
2378 *pval = (target_long) tmp;
2379 }
2380
2381 return ret;
9307c4c1
FB		 2382}
2383
2384static void next(void)
2385{
660f11be 2386 if (*pch != '\0') {
9307c4c1 2387 pch++;
cd390083 2388 while (qemu_isspace(*pch))
9307c4c1
FB		 2389 pch++;
2390 }
2391}
2392
376253ec 2393static int64_t expr_sum(Monitor *mon);
9307c4c1 2394
376253ec 2395static int64_t expr_unary(Monitor *mon)
9307c4c1 2396{
c2efc95d 2397 int64_t n;
9307c4c1 2398 char *p;
6a00d601 2399 int ret;
9307c4c1
FB		 2400
2401 switch(*pch) {
2402 case '+':
2403 next();
376253ec 2404 n = expr_unary(mon);
9307c4c1
FB		 2405 break;
2406 case '-':
2407 next();
376253ec 2408 n = -expr_unary(mon);
9307c4c1
FB		 2409 break;
2410 case '~':
2411 next();
376253ec 2412 n = ~expr_unary(mon);
9307c4c1
FB		 2413 break;
2414 case '(':
2415 next();
376253ec 2416 n = expr_sum(mon);
9307c4c1 2417 if (*pch != ')') {
376253ec 2418 expr_error(mon, "')' expected");
9307c4c1
FB		 2419 }
2420 next();
2421 break;
81d0912d
FB		 2422 case '\'':
2423 pch++;
2424 if (*pch == '\0')
376253ec 2425 expr_error(mon, "character constant expected");
81d0912d
FB		 2426 n = *pch;
2427 pch++;
2428 if (*pch != '\'')
376253ec 2429 expr_error(mon, "missing terminating \' character");
81d0912d
FB		 2430 next();
2431 break;
9307c4c1
FB		 2432 case '$':
2433 {
2434 char buf[128], *q;
69b34976 2435 target_long reg=0;
3b46e624 2436
9307c4c1
FB		 2437 pch++;
2438 q = buf;
2439 while ((*pch >= 'a' && *pch <= 'z') ||
2440 (*pch >= 'A' && *pch <= 'Z') ||
2441 (*pch >= '0' && *pch <= '9') ||
57206fd4 2442 *pch == '_' || *pch == '.') {
9307c4c1
FB		 2443 if ((q - buf) < sizeof(buf) - 1)
2444 *q++ = *pch;
2445 pch++;
2446 }
cd390083 2447 while (qemu_isspace(*pch))
9307c4c1
FB		 2448 pch++;
2449 *q = 0;
7743e588 2450 ret = get_monitor_def(&reg, buf);
09b9418c 2451 if (ret < 0)
376253ec 2452 expr_error(mon, "unknown register");
7743e588 2453 n = reg;
9307c4c1
FB		 2454 }
2455 break;
2456 case '\0':
376253ec 2457 expr_error(mon, "unexpected end of expression");
9307c4c1
FB		 2458 n = 0;
2459 break;
2460 default:
6b0e33be 2461 errno = 0;
4f4fbf77 2462 n = strtoull(pch, &p, 0);
6b0e33be
LC		 2463 if (errno == ERANGE) {
2464 expr_error(mon, "number too large");
2465 }
9307c4c1 2466 if (pch == p) {
277acfe8 2467 expr_error(mon, "invalid char '%c' in expression", *p);
9307c4c1
FB		 2468 }
2469 pch = p;
cd390083 2470 while (qemu_isspace(*pch))
9307c4c1
FB		 2471 pch++;
2472 break;
2473 }
2474 return n;
2475}
2476
2477
376253ec 2478static int64_t expr_prod(Monitor *mon)
9307c4c1 2479{
c2efc95d 2480 int64_t val, val2;
92a31b1f 2481 int op;
3b46e624 2482
376253ec 2483 val = expr_unary(mon);
9307c4c1
FB		 2484 for(;;) {
2485 op = *pch;
2486 if (op != '*' && op != '/' && op != '%')
2487 break;
2488 next();
376253ec 2489 val2 = expr_unary(mon);
9307c4c1
FB		 2490 switch(op) {
2491 default:
2492 case '*':
2493 val *= val2;
2494 break;
2495 case '/':
2496 case '%':
5fafdf24 2497 if (val2 == 0)
376253ec 2498 expr_error(mon, "division by zero");
9307c4c1
FB		 2499 if (op == '/')
2500 val /= val2;
2501 else
2502 val %= val2;
2503 break;
2504 }
2505 }
2506 return val;
2507}
2508
376253ec 2509static int64_t expr_logic(Monitor *mon)
9307c4c1 2510{
c2efc95d 2511 int64_t val, val2;
92a31b1f 2512 int op;
9307c4c1 2513
376253ec 2514 val = expr_prod(mon);
9307c4c1
FB		 2515 for(;;) {
2516 op = *pch;
2517 if (op != '&' && op != '|' && op != '^')
2518 break;
2519 next();
376253ec 2520 val2 = expr_prod(mon);
9307c4c1
FB		 2521 switch(op) {
2522 default:
2523 case '&':
2524 val &= val2;
2525 break;
2526 case '|':
2527 val |= val2;
2528 break;
2529 case '^':
2530 val ^= val2;
2531 break;
2532 }
2533 }
2534 return val;
2535}
2536
376253ec 2537static int64_t expr_sum(Monitor *mon)
9307c4c1 2538{
c2efc95d 2539 int64_t val, val2;
92a31b1f 2540 int op;
9307c4c1 2541
376253ec 2542 val = expr_logic(mon);
9307c4c1
FB		 2543 for(;;) {
2544 op = *pch;
2545 if (op != '+' && op != '-')
2546 break;
2547 next();
376253ec 2548 val2 = expr_logic(mon);
9307c4c1
FB		 2549 if (op == '+')
2550 val += val2;
2551 else
2552 val -= val2;
2553 }
2554 return val;
2555}
2556
376253ec 2557static int get_expr(Monitor *mon, int64_t *pval, const char **pp)
9307c4c1
FB		 2558{
2559 pch = *pp;
6ab7e546 2560 if (sigsetjmp(expr_env, 0)) {
9307c4c1
FB		 2561 *pp = pch;
2562 return -1;
2563 }
cd390083 2564 while (qemu_isspace(*pch))
9307c4c1 2565 pch++;
376253ec 2566 *pval = expr_sum(mon);
9307c4c1
FB		 2567 *pp = pch;
2568 return 0;
2569}
2570
3350a4dd
MA		 2571static int get_double(Monitor *mon, double *pval, const char **pp)
2572{
2573 const char *p = *pp;
2574 char *tailp;
2575 double d;
2576
2577 d = strtod(p, &tailp);
2578 if (tailp == p) {
2579 monitor_printf(mon, "Number expected\n");
2580 return -1;
2581 }
2582 if (d != d || d - d != 0) {
2583 /* NaN or infinity */
2584 monitor_printf(mon, "Bad number\n");
2585 return -1;
2586 }
2587 *pval = d;
2588 *pp = tailp;
2589 return 0;
2590}
2591
4590fd80
LC		 2592/*
2593 * Store the command-name in cmdname, and return a pointer to
2594 * the remaining of the command string.
2595 */
2596static const char *get_command_name(const char *cmdline,
2597 char *cmdname, size_t nlen)
2598{
2599 size_t len;
2600 const char *p, *pstart;
2601
2602 p = cmdline;
2603 while (qemu_isspace(*p))
2604 p++;
2605 if (*p == '\0')
2606 return NULL;
2607 pstart = p;
2608 while (*p != '\0' && *p != '/' && !qemu_isspace(*p))
2609 p++;
2610 len = p - pstart;
2611 if (len > nlen - 1)
2612 len = nlen - 1;
2613 memcpy(cmdname, pstart, len);
2614 cmdname[len] = '\0';
2615 return p;
2616}
2617
4d76d2ba
LC		 2618/**
2619 * Read key of 'type' into 'key' and return the current
2620 * 'type' pointer.
2621 */
2622static char *key_get_info(const char *type, char **key)
2623{
2624 size_t len;
2625 char *p, *str;
2626
2627 if (*type == ',')
2628 type++;
2629
2630 p = strchr(type, ':');
2631 if (!p) {
2632 *key = NULL;
2633 return NULL;
2634 }
2635 len = p - type;
2636
7267c094 2637 str = g_malloc(len + 1);
4d76d2ba
LC		 2638 memcpy(str, type, len);
2639 str[len] = '\0';
2640
2641 *key = str;
2642 return ++p;
2643}
2644
9307c4c1
FB		 2645static int default_fmt_format = 'x';
2646static int default_fmt_size = 4;
2647
fbc3d96c
LS		 2648static int is_valid_option(const char *c, const char *typestr)
2649{
2650 char option[3];
2651
2652 option[0] = '-';
2653 option[1] = *c;
2654 option[2] = '\0';
2655
2656 typestr = strstr(typestr, option);
2657 return (typestr != NULL);
2658}
2659
945c5ac8
LC		 2660static const mon_cmd_t *search_dispatch_table(const mon_cmd_t *disp_table,
2661 const char *cmdname)
7fd669a1
LC		 2662{
2663 const mon_cmd_t *cmd;
2664
945c5ac8 2665 for (cmd = disp_table; cmd->name != NULL; cmd++) {
7fd669a1
LC		 2666 if (compare_cmd(cmdname, cmd->name)) {
2667 return cmd;
2668 }
2669 }
2670
2671 return NULL;
2672}
2673
5f3d335f 2674/*
ae50212f
BD		 2675 * Parse command name from @cmdp according to command table @table.
2676 * If blank, return NULL.
2677 * Else, if no valid command can be found, report to @mon, and return
2678 * NULL.
2679 * Else, change @cmdp to point right behind the name, and return its
2680 * command table entry.
2681 * Do not assume the return value points into @table! It doesn't when
2682 * the command is found in a sub-command table.
5f3d335f 2683 */
c227f099 2684static const mon_cmd_t *monitor_parse_command(Monitor *mon,
250b8197 2685 const char *cmdp_start,
ae50212f
BD		 2686 const char **cmdp,
2687 mon_cmd_t *table)
9307c4c1 2688{
ae50212f 2689 const char *p;
c227f099 2690 const mon_cmd_t *cmd;
9307c4c1 2691 char cmdname[256];
9dc39cba 2692
9307c4c1 2693 /* extract the command name */
ae50212f 2694 p = get_command_name(*cmdp, cmdname, sizeof(cmdname));
4590fd80 2695 if (!p)
55f81d96 2696 return NULL;
3b46e624 2697
5f3d335f 2698 cmd = search_dispatch_table(table, cmdname);
7fd669a1 2699 if (!cmd) {
5f3d335f 2700 monitor_printf(mon, "unknown command: '%.*s'\n",
250b8197 2701 (int)(p - cmdp_start), cmdp_start);
55f81d96 2702 return NULL;
9307c4c1 2703 }
9307c4c1 2704
5f3d335f
WX		 2705 /* filter out following useless space */
2706 while (qemu_isspace(*p)) {
2707 p++;
2708 }
ae50212f
BD		 2709
2710 *cmdp = p;
5f3d335f 2711 /* search sub command */
ae50212f 2712 if (cmd->sub_table != NULL && *p != '\0') {
250b8197 2713 return monitor_parse_command(mon, cmdp_start, cmdp, cmd->sub_table);
5f3d335f
WX		 2714 }
2715
ae50212f
BD		 2716 return cmd;
2717}
2718
2719/*
2720 * Parse arguments for @cmd.
2721 * If it can't be parsed, report to @mon, and return NULL.
2722 * Else, insert command arguments into a QDict, and return it.
2723 * Note: On success, caller has to free the QDict structure.
2724 */
2725
2726static QDict *monitor_parse_arguments(Monitor *mon,
2727 const char **endp,
2728 const mon_cmd_t *cmd)
2729{
2730 const char *typestr;
2731 char *key;
2732 int c;
2733 const char *p = *endp;
2734 char buf[1024];
2735 QDict *qdict = qdict_new();
2736
9307c4c1
FB		 2737 /* parse the parameters */
2738 typestr = cmd->args_type;
9dc39cba 2739 for(;;) {
4d76d2ba
LC		 2740 typestr = key_get_info(typestr, &key);
2741 if (!typestr)
9dc39cba 2742 break;
4d76d2ba 2743 c = *typestr;
9307c4c1
FB		 2744 typestr++;
2745 switch(c) {
2746 case 'F':
81d0912d 2747 case 'B':
9307c4c1
FB		 2748 case 's':
2749 {
2750 int ret;
3b46e624 2751
cd390083 2752 while (qemu_isspace(*p))
9307c4c1
FB		 2753 p++;
2754 if (*typestr == '?') {
2755 typestr++;
2756 if (*p == '\0') {
2757 /* no optional string: NULL argument */
53773581 2758 break;
9307c4c1
FB		 2759 }
2760 }
2761 ret = get_str(buf, sizeof(buf), &p);
2762 if (ret < 0) {
81d0912d
FB		 2763 switch(c) {
2764 case 'F':
376253ec 2765 monitor_printf(mon, "%s: filename expected\n",
ae50212f 2766 cmd->name);
81d0912d
FB		 2767 break;
2768 case 'B':
376253ec 2769 monitor_printf(mon, "%s: block device name expected\n",
ae50212f 2770 cmd->name);
81d0912d
FB		 2771 break;
2772 default:
ae50212f 2773 monitor_printf(mon, "%s: string expected\n", cmd->name);
81d0912d
FB		 2774 break;
2775 }
9307c4c1
FB		 2776 goto fail;
2777 }
46f5ac20 2778 qdict_put_str(qdict, key, buf);
9307c4c1 2779 }
9dc39cba 2780 break;
361127df
MA		 2781 case 'O':
2782 {
2783 QemuOptsList *opts_list;
2784 QemuOpts *opts;
2785
2786 opts_list = qemu_find_opts(key);
2787 if (!opts_list || opts_list->desc->name) {
2788 goto bad_type;
2789 }
2790 while (qemu_isspace(*p)) {
2791 p++;
2792 }
2793 if (!*p)
2794 break;
2795 if (get_str(buf, sizeof(buf), &p) < 0) {
2796 goto fail;
2797 }
70b94331 2798 opts = qemu_opts_parse_noisily(opts_list, buf, true);
361127df
MA		 2799 if (!opts) {
2800 goto fail;
2801 }
2802 qemu_opts_to_qdict(opts, qdict);
2803 qemu_opts_del(opts);
2804 }
2805 break;
9307c4c1
FB		 2806 case '/':
2807 {
2808 int count, format, size;
3b46e624 2809
cd390083 2810 while (qemu_isspace(*p))
9307c4c1
FB		 2811 p++;
2812 if (*p == '/') {
2813 /* format found */
2814 p++;
2815 count = 1;
cd390083 2816 if (qemu_isdigit(*p)) {
9307c4c1 2817 count = 0;
cd390083 2818 while (qemu_isdigit(*p)) {
9307c4c1
FB		 2819 count = count * 10 + (*p - '0');
2820 p++;
2821 }
2822 }
2823 size = -1;
2824 format = -1;
2825 for(;;) {
2826 switch(*p) {
2827 case 'o':
2828 case 'd':
2829 case 'u':
2830 case 'x':
2831 case 'i':
2832 case 'c':
2833 format = *p++;
2834 break;
2835 case 'b':
2836 size = 1;
2837 p++;
2838 break;
2839 case 'h':
2840 size = 2;
2841 p++;
2842 break;
2843 case 'w':
2844 size = 4;
2845 p++;
2846 break;
2847 case 'g':
2848 case 'L':
2849 size = 8;
2850 p++;
2851 break;
2852 default:
2853 goto next;
2854 }
2855 }
2856 next:
cd390083 2857 if (*p != '\0' && !qemu_isspace(*p)) {
376253ec
AL		 2858 monitor_printf(mon, "invalid char in format: '%c'\n",
2859 *p);
9307c4c1
FB		 2860 goto fail;
2861 }
9307c4c1
FB		 2862 if (format < 0)
2863 format = default_fmt_format;
4c27ba27
FB		 2864 if (format != 'i') {
2865 /* for 'i', not specifying a size gives -1 as size */
2866 if (size < 0)
2867 size = default_fmt_size;
e90f009b 2868 default_fmt_size = size;
4c27ba27 2869 }
9307c4c1
FB		 2870 default_fmt_format = format;
2871 } else {
2872 count = 1;
2873 format = default_fmt_format;
4c27ba27
FB		 2874 if (format != 'i') {
2875 size = default_fmt_size;
2876 } else {
2877 size = -1;
2878 }
9307c4c1 2879 }
46f5ac20
EB		 2880 qdict_put_int(qdict, "count", count);
2881 qdict_put_int(qdict, "format", format);
2882 qdict_put_int(qdict, "size", size);
9307c4c1 2883 }
9dc39cba 2884 break;
9307c4c1 2885 case 'i':
92a31b1f 2886 case 'l':
b6e098d7 2887 case 'M':
9307c4c1 2888 {
c2efc95d 2889 int64_t val;
7743e588 2890
cd390083 2891 while (qemu_isspace(*p))
9307c4c1 2892 p++;
3440557b 2893 if (*typestr == '?' || *typestr == '.') {
3440557b 2894 if (*typestr == '?') {
53773581
LC		 2895 if (*p == '\0') {
2896 typestr++;
2897 break;
2898 }
3440557b
FB		 2899 } else {
2900 if (*p == '.') {
2901 p++;
cd390083 2902 while (qemu_isspace(*p))
3440557b 2903 p++;
3440557b 2904 } else {
53773581
LC		 2905 typestr++;
2906 break;
3440557b
FB		 2907 }
2908 }
13224a87 2909 typestr++;
9307c4c1 2910 }
376253ec 2911 if (get_expr(mon, &val, &p))
9307c4c1 2912 goto fail;
675ebef9
LC		 2913 /* Check if 'i' is greater than 32-bit */
2914 if ((c == 'i') && ((val >> 32) & 0xffffffff)) {
ae50212f 2915 monitor_printf(mon, "\'%s\' has failed: ", cmd->name);
675ebef9
LC		 2916 monitor_printf(mon, "integer is for 32-bit values\n");
2917 goto fail;
b6e098d7 2918 } else if (c == 'M') {
91162849
LC		 2919 if (val < 0) {
2920 monitor_printf(mon, "enter a positive value\n");
2921 goto fail;
2922 }
b6e098d7 2923 val <<= 20;
675ebef9 2924 }
46f5ac20 2925 qdict_put_int(qdict, key, val);
9307c4c1
FB		 2926 }
2927 break;
dbc0c67f
JS		 2928 case 'o':
2929 {
f17fd4fd 2930 int ret;
f46bfdbf 2931 uint64_t val;
dbc0c67f
JS		 2932 char *end;
2933
2934 while (qemu_isspace(*p)) {
2935 p++;
2936 }
2937 if (*typestr == '?') {
2938 typestr++;
2939 if (*p == '\0') {
2940 break;
2941 }
2942 }
f17fd4fd 2943 ret = qemu_strtosz_MiB(p, &end, &val);
f46bfdbf 2944 if (ret < 0 || val > INT64_MAX) {
dbc0c67f
JS		 2945 monitor_printf(mon, "invalid size\n");
2946 goto fail;
2947 }
46f5ac20 2948 qdict_put_int(qdict, key, val);
dbc0c67f
JS		 2949 p = end;
2950 }
2951 break;
fccfb11e 2952 case 'T':
3350a4dd
MA		 2953 {
2954 double val;
2955
2956 while (qemu_isspace(*p))
2957 p++;
2958 if (*typestr == '?') {
2959 typestr++;
2960 if (*p == '\0') {
2961 break;
2962 }
2963 }
2964 if (get_double(mon, &val, &p) < 0) {
2965 goto fail;
2966 }
07de3e60 2967 if (p[0] && p[1] == 's') {
fccfb11e
MA		 2968 switch (*p) {
2969 case 'm':
2970 val /= 1e3; p += 2; break;
2971 case 'u':
2972 val /= 1e6; p += 2; break;
2973 case 'n':
2974 val /= 1e9; p += 2; break;
2975 }
2976 }
3350a4dd
MA		 2977 if (*p && !qemu_isspace(*p)) {
2978 monitor_printf(mon, "Unknown unit suffix\n");
2979 goto fail;
2980 }
01b2ffce 2981 qdict_put(qdict, key, qnum_from_double(val));
3350a4dd
MA		 2982 }
2983 break;
942cd1f2
MA		 2984 case 'b':
2985 {
2986 const char *beg;
fc48ffc3 2987 bool val;
942cd1f2
MA		 2988
2989 while (qemu_isspace(*p)) {
2990 p++;
2991 }
2992 beg = p;
2993 while (qemu_isgraph(*p)) {
2994 p++;
2995 }
2996 if (p - beg == 2 && !memcmp(beg, "on", p - beg)) {
fc48ffc3 2997 val = true;
942cd1f2 2998 } else if (p - beg == 3 && !memcmp(beg, "off", p - beg)) {
fc48ffc3 2999 val = false;
942cd1f2
MA		 3000 } else {
3001 monitor_printf(mon, "Expected 'on' or 'off'\n");
3002 goto fail;
3003 }
46f5ac20 3004 qdict_put_bool(qdict, key, val);
942cd1f2
MA		 3005 }
3006 break;
9307c4c1
FB		 3007 case '-':
3008 {
fbc3d96c 3009 const char *tmp = p;
eb159d13 3010 int skip_key = 0;
9307c4c1 3011 /* option */
3b46e624 3012
9307c4c1
FB		 3013 c = *typestr++;
3014 if (c == '\0')
3015 goto bad_type;
cd390083 3016 while (qemu_isspace(*p))
9307c4c1 3017 p++;
9307c4c1
FB		 3018 if (*p == '-') {
3019 p++;
fbc3d96c
LS		 3020 if(c != *p) {
3021 if(!is_valid_option(p, typestr)) {
3022
3023 monitor_printf(mon, "%s: unsupported option -%c\n",
ae50212f 3024 cmd->name, *p);
fbc3d96c
LS		 3025 goto fail;
3026 } else {
3027 skip_key = 1;
3028 }
3029 }
3030 if(skip_key) {
3031 p = tmp;
3032 } else {
eb159d13 3033 /* has option */
fbc3d96c 3034 p++;
46f5ac20 3035 qdict_put_bool(qdict, key, true);
9307c4c1 3036 }
9307c4c1 3037 }
9307c4c1
FB		 3038 }
3039 break;
129be006
WX		 3040 case 'S':
3041 {
3042 /* package all remaining string */
3043 int len;
3044
3045 while (qemu_isspace(*p)) {
3046 p++;
3047 }
3048 if (*typestr == '?') {
3049 typestr++;
3050 if (*p == '\0') {
3051 /* no remaining string: NULL argument */
3052 break;
3053 }
3054 }
3055 len = strlen(p);
3056 if (len <= 0) {
3057 monitor_printf(mon, "%s: string expected\n",
ae50212f 3058 cmd->name);
e549d2aa 3059 goto fail;
129be006 3060 }
46f5ac20 3061 qdict_put_str(qdict, key, p);
129be006
WX		 3062 p += len;
3063 }
3064 break;
9307c4c1
FB		 3065 default:
3066 bad_type:
ae50212f 3067 monitor_printf(mon, "%s: unknown type '%c'\n", cmd->name, c);
9307c4c1
FB		 3068 goto fail;
3069 }
7267c094 3070 g_free(key);
4d76d2ba 3071 key = NULL;
9dc39cba 3072 }
9307c4c1 3073 /* check that all arguments were parsed */
cd390083 3074 while (qemu_isspace(*p))
9307c4c1
FB		 3075 p++;
3076 if (*p != '\0') {
376253ec 3077 monitor_printf(mon, "%s: extraneous characters at the end of line\n",
ae50212f 3078 cmd->name);
9307c4c1 3079 goto fail;
9dc39cba 3080 }
9307c4c1 3081
ae50212f 3082 return qdict;
ac7531ec 3083
55f81d96 3084fail:
ae50212f 3085 QDECREF(qdict);
7267c094 3086 g_free(key);
55f81d96
LC		 3087 return NULL;
3088}
3089
7ef6cf63 3090static void handle_hmp_command(Monitor *mon, const char *cmdline)
55f81d96 3091{
55f81d96 3092 QDict *qdict;
c227f099 3093 const mon_cmd_t *cmd;
55f81d96 3094
79cad8b4
SH		 3095 trace_handle_hmp_command(mon, cmdline);
3096
250b8197 3097 cmd = monitor_parse_command(mon, cmdline, &cmdline, mon->cmd_table);
ae50212f
BD		 3098 if (!cmd) {
3099 return;
3100 }
55f81d96 3101
ae50212f
BD		 3102 qdict = monitor_parse_arguments(mon, &cmdline, cmd);
3103 if (!qdict) {
dd41eea7
BD		 3104 monitor_printf(mon, "Try \"help %s\" for more information\n",
3105 cmd->name);
ae50212f 3106 return;
55f81d96
LC		 3107 }
3108
2b9e3576 3109 cmd->cmd(mon, qdict);
f7188bbe 3110 QDECREF(qdict);
9dc39cba
FB		 3111}
3112
cd5c6bba 3113static void cmd_completion(Monitor *mon, const char *name, const char *list)
81d0912d
FB		 3114{
3115 const char *p, *pstart;
3116 char cmd[128];
3117 int len;
3118
3119 p = list;
3120 for(;;) {
3121 pstart = p;
3122 p = strchr(p, '|');
3123 if (!p)
3124 p = pstart + strlen(pstart);
3125 len = p - pstart;
3126 if (len > sizeof(cmd) - 2)
3127 len = sizeof(cmd) - 2;
3128 memcpy(cmd, pstart, len);
3129 cmd[len] = '\0';
3130 if (name[0] == '\0' || !strncmp(name, cmd, strlen(name))) {
cd5c6bba 3131 readline_add_completion(mon->rs, cmd);
81d0912d
FB		 3132 }
3133 if (*p == '\0')
3134 break;
3135 p++;
3136 }
3137}
3138
cb8f68b1 3139static void file_completion(Monitor *mon, const char *input)
81d0912d
FB		 3140{
3141 DIR *ffs;
3142 struct dirent *d;
3143 char path[1024];
3144 char file[1024], file_prefix[1024];
3145 int input_path_len;
3146 const char *p;
3147
5fafdf24 3148 p = strrchr(input, '/');
81d0912d
FB		 3149 if (!p) {
3150 input_path_len = 0;
3151 pstrcpy(file_prefix, sizeof(file_prefix), input);
363a37d5 3152 pstrcpy(path, sizeof(path), ".");
81d0912d
FB		 3153 } else {
3154 input_path_len = p - input + 1;
3155 memcpy(path, input, input_path_len);
3156 if (input_path_len > sizeof(path) - 1)
3157 input_path_len = sizeof(path) - 1;
3158 path[input_path_len] = '\0';
3159 pstrcpy(file_prefix, sizeof(file_prefix), p + 1);
3160 }
19f2db5c 3161
81d0912d
FB		 3162 ffs = opendir(path);
3163 if (!ffs)
3164 return;
3165 for(;;) {
3166 struct stat sb;
3167 d = readdir(ffs);
3168 if (!d)
3169 break;
46c7fc18
KK		 3170
3171 if (strcmp(d->d_name, ".") == 0 || strcmp(d->d_name, "..") == 0) {
3172 continue;
3173 }
3174
81d0912d
FB		 3175 if (strstart(d->d_name, file_prefix, NULL)) {
3176 memcpy(file, input, input_path_len);
363a37d5
BS		 3177 if (input_path_len < sizeof(file))
3178 pstrcpy(file + input_path_len, sizeof(file) - input_path_len,
3179 d->d_name);
81d0912d
FB		 3180 /* stat the file to find out if it's a directory.
3181 * In that case add a slash to speed up typing long paths
3182 */
c951d9a6 3183 if (stat(file, &sb) == 0 && S_ISDIR(sb.st_mode)) {
363a37d5 3184 pstrcat(file, sizeof(file), "/");
c951d9a6 3185 }
cb8f68b1 3186 readline_add_completion(mon->rs, file);
81d0912d
FB		 3187 }
3188 }
3189 closedir(ffs);
3190}
3191
4d76d2ba
LC		 3192static const char *next_arg_type(const char *typestr)
3193{
3194 const char *p = strchr(typestr, ':');
3195 return (p != NULL ? ++p : typestr);
3196}
3197
40d19394
HB		 3198static void add_completion_option(ReadLineState *rs, const char *str,
3199 const char *option)
3200{
3201 if (!str || !option) {
3202 return;
3203 }
3204 if (!strncmp(option, str, strlen(str))) {
3205 readline_add_completion(rs, option);
3206 }
3207}
3208
13e315da
HB		 3209void chardev_add_completion(ReadLineState *rs, int nb_args, const char *str)
3210{
3211 size_t len;
3212 ChardevBackendInfoList *list, *start;
3213
3214 if (nb_args != 2) {
3215 return;
3216 }
3217 len = strlen(str);
3218 readline_set_completion_index(rs, len);
3219
3220 start = list = qmp_query_chardev_backends(NULL);
3221 while (list) {
3222 const char *chr_name = list->value->name;
3223
3224 if (!strncmp(chr_name, str, len)) {
3225 readline_add_completion(rs, chr_name);
3226 }
3227 list = list->next;
3228 }
3229 qapi_free_ChardevBackendInfoList(start);
3230}
3231
b162b49a
HB		 3232void netdev_add_completion(ReadLineState *rs, int nb_args, const char *str)
3233{
3234 size_t len;
3235 int i;
3236
3237 if (nb_args != 2) {
3238 return;
3239 }
3240 len = strlen(str);
3241 readline_set_completion_index(rs, len);
1c236ba5 3242 for (i = 0; i < NET_CLIENT_DRIVER__MAX; i++) {
977c736f 3243 add_completion_option(rs, str, NetClientDriver_str(i));
b162b49a
HB		 3244 }
3245}
3246
2da1b3ab 3247void device_add_completion(ReadLineState *rs, int nb_args, const char *str)
992d3e64
HB		 3248{
3249 GSList *list, *elt;
3250 size_t len;
3251
2da1b3ab
HB		 3252 if (nb_args != 2) {
3253 return;
3254 }
3255
992d3e64
HB		 3256 len = strlen(str);
3257 readline_set_completion_index(rs, len);
3258 list = elt = object_class_get_list(TYPE_DEVICE, false);
3259 while (elt) {
3260 const char *name;
3261 DeviceClass *dc = OBJECT_CLASS_CHECK(DeviceClass, elt->data,
3262 TYPE_DEVICE);
3263 name = object_class_get_name(OBJECT_CLASS(dc));
2da1b3ab 3264
e90f2a8c 3265 if (dc->user_creatable
2da1b3ab 3266 && !strncmp(name, str, len)) {
992d3e64
HB		 3267 readline_add_completion(rs, name);
3268 }
3269 elt = elt->next;
3270 }
3271 g_slist_free(list);
3272}
3273
bfa40f77 3274void object_add_completion(ReadLineState *rs, int nb_args, const char *str)
1094fd3a
HB		 3275{
3276 GSList *list, *elt;
3277 size_t len;
3278
bfa40f77
HB		 3279 if (nb_args != 2) {
3280 return;
3281 }
3282
1094fd3a
HB		 3283 len = strlen(str);
3284 readline_set_completion_index(rs, len);
3285 list = elt = object_class_get_list(TYPE_USER_CREATABLE, false);
3286 while (elt) {
3287 const char *name;
3288
3289 name = object_class_get_name(OBJECT_CLASS(elt->data));
3290 if (!strncmp(name, str, len) && strcmp(name, TYPE_USER_CREATABLE)) {
3291 readline_add_completion(rs, name);
3292 }
3293 elt = elt->next;
3294 }
3295 g_slist_free(list);
3296}
3297
6a1fa9f5
ZG		 3298static void peripheral_device_del_completion(ReadLineState *rs,
3299 const char *str, size_t len)
3300{
4cae4d5a
MA		 3301 Object *peripheral = container_get(qdev_get_machine(), "/peripheral");
3302 GSList *list, *item;
6a1fa9f5 3303
4cae4d5a
MA		 3304 list = qdev_build_hotpluggable_device_list(peripheral);
3305 if (!list) {
6a1fa9f5
ZG		 3306 return;
3307 }
3308
6a1fa9f5
ZG		 3309 for (item = list; item; item = g_slist_next(item)) {
3310 DeviceState *dev = item->data;
3311
3312 if (dev->id && !strncmp(str, dev->id, len)) {
3313 readline_add_completion(rs, dev->id);
3314 }
3315 }
3316
3317 g_slist_free(list);
3318}
3319
6297d9a2
HB		 3320void chardev_remove_completion(ReadLineState *rs, int nb_args, const char *str)
3321{
3322 size_t len;
3323 ChardevInfoList *list, *start;
3324
3325 if (nb_args != 2) {
3326 return;
3327 }
3328 len = strlen(str);
3329 readline_set_completion_index(rs, len);
3330
3331 start = list = qmp_query_chardev(NULL);
3332 while (list) {
3333 ChardevInfo *chr = list->value;
3334
3335 if (!strncmp(chr->label, str, len)) {
3336 readline_add_completion(rs, chr->label);
3337 }
3338 list = list->next;
3339 }
3340 qapi_free_ChardevInfoList(start);
3341}
3342
8e597779
HB		 3343static void ringbuf_completion(ReadLineState *rs, const char *str)
3344{
3345 size_t len;
3346 ChardevInfoList *list, *start;
3347
3348 len = strlen(str);
3349 readline_set_completion_index(rs, len);
3350
3351 start = list = qmp_query_chardev(NULL);
3352 while (list) {
3353 ChardevInfo *chr_info = list->value;
3354
3355 if (!strncmp(chr_info->label, str, len)) {
0ec7b3e7 3356 Chardev *chr = qemu_chr_find(chr_info->label);
777357d7 3357 if (chr && CHARDEV_IS_RINGBUF(chr)) {
8e597779
HB		 3358 readline_add_completion(rs, chr_info->label);
3359 }
3360 }
3361 list = list->next;
3362 }
3363 qapi_free_ChardevInfoList(start);
3364}
3365
8e597779
HB		 3366void ringbuf_write_completion(ReadLineState *rs, int nb_args, const char *str)
3367{
3368 if (nb_args != 2) {
3369 return;
3370 }
3371 ringbuf_completion(rs, str);
3372}
3373
2da1b3ab
HB		 3374void device_del_completion(ReadLineState *rs, int nb_args, const char *str)
3375{
3376 size_t len;
3377
3378 if (nb_args != 2) {
3379 return;
3380 }
3381
3382 len = strlen(str);
3383 readline_set_completion_index(rs, len);
6a1fa9f5 3384 peripheral_device_del_completion(rs, str, len);
2da1b3ab
HB		 3385}
3386
bfa40f77 3387void object_del_completion(ReadLineState *rs, int nb_args, const char *str)
b48fa074
HB		 3388{
3389 ObjectPropertyInfoList *list, *start;
3390 size_t len;
3391
bfa40f77
HB		 3392 if (nb_args != 2) {
3393 return;
3394 }
b48fa074
HB		 3395 len = strlen(str);
3396 readline_set_completion_index(rs, len);
3397
3398 start = list = qmp_qom_list("/objects", NULL);
3399 while (list) {
3400 ObjectPropertyInfo *info = list->value;
3401
3402 if (!strncmp(info->type, "child<", 5)
3403 && !strncmp(info->name, str, len)) {
3404 readline_add_completion(rs, info->name);
3405 }
3406 list = list->next;
3407 }
3408 qapi_free_ObjectPropertyInfoList(start);
3409}
3410
29136cd8
HB		 3411void sendkey_completion(ReadLineState *rs, int nb_args, const char *str)
3412{
3413 int i;
3414 char *sep;
3415 size_t len;
3416
3417 if (nb_args != 2) {
3418 return;
3419 }
3420 sep = strrchr(str, '-');
3421 if (sep) {
3422 str = sep + 1;
3423 }
3424 len = strlen(str);
3425 readline_set_completion_index(rs, len);
7fb1cf16 3426 for (i = 0; i < Q_KEY_CODE__MAX; i++) {
977c736f
MA		 3427 if (!strncmp(str, QKeyCode_str(i), len)) {
3428 readline_add_completion(rs, QKeyCode_str(i));
29136cd8
HB		 3429 }
3430 }
3431}
3432
40d19394
HB		 3433void set_link_completion(ReadLineState *rs, int nb_args, const char *str)
3434{
3435 size_t len;
3436
3437 len = strlen(str);
3438 readline_set_completion_index(rs, len);
3439 if (nb_args == 2) {
eaed483c 3440 NetClientState *ncs[MAX_QUEUE_NUM];
40d19394
HB		 3441 int count, i;
3442 count = qemu_find_net_clients_except(NULL, ncs,
f394b2e2 3443 NET_CLIENT_DRIVER_NONE,
eaed483c 3444 MAX_QUEUE_NUM);
bcfa4d60 3445 for (i = 0; i < MIN(count, MAX_QUEUE_NUM); i++) {
40d19394
HB		 3446 const char *name = ncs[i]->name;
3447 if (!strncmp(str, name, len)) {
3448 readline_add_completion(rs, name);
3449 }
3450 }
3451 } else if (nb_args == 3) {
3452 add_completion_option(rs, str, "on");
3453 add_completion_option(rs, str, "off");
3454 }
3455}
3456
11b389f2
HB		 3457void netdev_del_completion(ReadLineState *rs, int nb_args, const char *str)
3458{
3459 int len, count, i;
eaed483c 3460 NetClientState *ncs[MAX_QUEUE_NUM];
11b389f2
HB		 3461
3462 if (nb_args != 2) {
3463 return;
3464 }
3465
3466 len = strlen(str);
3467 readline_set_completion_index(rs, len);
f394b2e2 3468 count = qemu_find_net_clients_except(NULL, ncs, NET_CLIENT_DRIVER_NIC,
eaed483c 3469 MAX_QUEUE_NUM);
bcfa4d60 3470 for (i = 0; i < MIN(count, MAX_QUEUE_NUM); i++) {
11b389f2
HB		 3471 QemuOpts *opts;
3472 const char *name = ncs[i]->name;
3473 if (strncmp(str, name, len)) {
3474 continue;
3475 }
3476 opts = qemu_opts_find(qemu_find_opts_err("netdev", NULL), name);
3477 if (opts) {
3478 readline_add_completion(rs, name);
3479 }
3480 }
3481}
3482
bd71211d
LV		 3483void info_trace_events_completion(ReadLineState *rs, int nb_args, const char *str)
3484{
3485 size_t len;
3486
3487 len = strlen(str);
3488 readline_set_completion_index(rs, len);
3489 if (nb_args == 2) {
0d4e995c
DB		 3490 TraceEventIter iter;
3491 TraceEvent *ev;
3492 char *pattern = g_strdup_printf("%s*", str);
3493 trace_event_iter_init(&iter, pattern);
3494 while ((ev = trace_event_iter_next(&iter)) != NULL) {
3495 readline_add_completion(rs, trace_event_get_name(ev));
bd71211d 3496 }
0d4e995c 3497 g_free(pattern);
bd71211d
LV		 3498 }
3499}
3500
987bd270
DDAG		 3501void trace_event_completion(ReadLineState *rs, int nb_args, const char *str)
3502{
3503 size_t len;
3504
3505 len = strlen(str);
3506 readline_set_completion_index(rs, len);
3507 if (nb_args == 2) {
0d4e995c
DB		 3508 TraceEventIter iter;
3509 TraceEvent *ev;
3510 char *pattern = g_strdup_printf("%s*", str);
3511 trace_event_iter_init(&iter, pattern);
3512 while ((ev = trace_event_iter_next(&iter)) != NULL) {
3513 readline_add_completion(rs, trace_event_get_name(ev));
3514 }
3515 g_free(pattern);
987bd270
DDAG		 3516 } else if (nb_args == 3) {
3517 add_completion_option(rs, str, "on");
3518 add_completion_option(rs, str, "off");
3519 }
3520}
3521
d0ece345
HB		 3522void watchdog_action_completion(ReadLineState *rs, int nb_args, const char *str)
3523{
4bb08af3
HB		 3524 int i;
3525
d0ece345
HB		 3526 if (nb_args != 2) {
3527 return;
3528 }
3529 readline_set_completion_index(rs, strlen(str));
14d53b4f
MP		 3530 for (i = 0; i < WATCHDOG_ACTION__MAX; i++) {
3531 add_completion_option(rs, str, WatchdogAction_str(i));
4bb08af3 3532 }
d0ece345
HB		 3533}
3534
c68a0409
HB		 3535void migrate_set_capability_completion(ReadLineState *rs, int nb_args,
3536 const char *str)
3537{
3538 size_t len;
3539
3540 len = strlen(str);
3541 readline_set_completion_index(rs, len);
3542 if (nb_args == 2) {
3543 int i;
7fb1cf16 3544 for (i = 0; i < MIGRATION_CAPABILITY__MAX; i++) {
977c736f 3545 const char *name = MigrationCapability_str(i);
c68a0409
HB		 3546 if (!strncmp(str, name, len)) {
3547 readline_add_completion(rs, name);
3548 }
3549 }
3550 } else if (nb_args == 3) {
3551 add_completion_option(rs, str, "on");
3552 add_completion_option(rs, str, "off");
3553 }
3554}
3555
50e9a629
LL		 3556void migrate_set_parameter_completion(ReadLineState *rs, int nb_args,
3557 const char *str)
3558{
3559 size_t len;
3560
3561 len = strlen(str);
3562 readline_set_completion_index(rs, len);
3563 if (nb_args == 2) {
3564 int i;
7fb1cf16 3565 for (i = 0; i < MIGRATION_PARAMETER__MAX; i++) {
977c736f 3566 const char *name = MigrationParameter_str(i);
50e9a629
LL		 3567 if (!strncmp(str, name, len)) {
3568 readline_add_completion(rs, name);
3569 }
3570 }
3571 }
3572}
3573
e3bb532c
HB		 3574void host_net_add_completion(ReadLineState *rs, int nb_args, const char *str)
3575{
3576 int i;
3577 size_t len;
3578 if (nb_args != 2) {
3579 return;
3580 }
3581 len = strlen(str);
3582 readline_set_completion_index(rs, len);
3583 for (i = 0; host_net_devices[i]; i++) {
3584 if (!strncmp(host_net_devices[i], str, len)) {
3585 readline_add_completion(rs, host_net_devices[i]);
3586 }
3587 }
3588}
3589
ddd6b45c
HB		 3590void host_net_remove_completion(ReadLineState *rs, int nb_args, const char *str)
3591{
eaed483c 3592 NetClientState *ncs[MAX_QUEUE_NUM];
ddd6b45c
HB		 3593 int count, i, len;
3594
3595 len = strlen(str);
3596 readline_set_completion_index(rs, len);
3597 if (nb_args == 2) {
3598 count = qemu_find_net_clients_except(NULL, ncs,
f394b2e2 3599 NET_CLIENT_DRIVER_NONE,
eaed483c 3600 MAX_QUEUE_NUM);
bcfa4d60 3601 for (i = 0; i < MIN(count, MAX_QUEUE_NUM); i++) {
ddd6b45c
HB		 3602 int id;
3603 char name[16];
3604
3605 if (net_hub_id_for_client(ncs[i], &id)) {
3606 continue;
3607 }
3608 snprintf(name, sizeof(name), "%d", id);
3609 if (!strncmp(str, name, len)) {
3610 readline_add_completion(rs, name);
3611 }
3612 }
3613 return;
3614 } else if (nb_args == 3) {
3615 count = qemu_find_net_clients_except(NULL, ncs,
f394b2e2 3616 NET_CLIENT_DRIVER_NIC,
eaed483c 3617 MAX_QUEUE_NUM);
bcfa4d60 3618 for (i = 0; i < MIN(count, MAX_QUEUE_NUM); i++) {
2c4681f5 3619 int id;
ddd6b45c
HB		 3620 const char *name;
3621
f394b2e2 3622 if (ncs[i]->info->type == NET_CLIENT_DRIVER_HUBPORT ||
2c4681f5
JW		 3623 net_hub_id_for_client(ncs[i], &id)) {
3624 continue;
3625 }
ddd6b45c
HB		 3626 name = ncs[i]->name;
3627 if (!strncmp(str, name, len)) {
3628 readline_add_completion(rs, name);
3629 }
3630 }
3631 return;
3632 }
3633}
3634
b21631f3
HB		 3635static void vm_completion(ReadLineState *rs, const char *str)
3636{
3637 size_t len;
7c8eece4 3638 BlockDriverState *bs;
88be7b4b 3639 BdrvNextIterator it;
b21631f3
HB		 3640
3641 len = strlen(str);
3642 readline_set_completion_index(rs, len);
7c8eece4 3643
88be7b4b 3644 for (bs = bdrv_first(&it); bs; bs = bdrv_next(&it)) {
b21631f3 3645 SnapshotInfoList *snapshots, *snapshot;
6bf1faa8
DL		 3646 AioContext *ctx = bdrv_get_aio_context(bs);
3647 bool ok = false;
b21631f3 3648
6bf1faa8
DL		 3649 aio_context_acquire(ctx);
3650 if (bdrv_can_snapshot(bs)) {
3651 ok = bdrv_query_snapshot_info_list(bs, &snapshots, NULL) == 0;
b21631f3 3652 }
6bf1faa8
DL		 3653 aio_context_release(ctx);
3654 if (!ok) {
b21631f3
HB		 3655 continue;
3656 }
6bf1faa8 3657
b21631f3
HB		 3658 snapshot = snapshots;
3659 while (snapshot) {
3660 char *completion = snapshot->value->name;
3661 if (!strncmp(str, completion, len)) {
3662 readline_add_completion(rs, completion);
3663 }
3664 completion = snapshot->value->id;
3665 if (!strncmp(str, completion, len)) {
3666 readline_add_completion(rs, completion);
3667 }
3668 snapshot = snapshot->next;
3669 }
3670 qapi_free_SnapshotInfoList(snapshots);
3671 }
3672
3673}
3674
3675void delvm_completion(ReadLineState *rs, int nb_args, const char *str)
3676{
3677 if (nb_args == 2) {
3678 vm_completion(rs, str);
3679 }
3680}
3681
3682void loadvm_completion(ReadLineState *rs, int nb_args, const char *str)
3683{
3684 if (nb_args == 2) {
3685 vm_completion(rs, str);
3686 }
3687}
3688
c35b6400
WX		 3689static void monitor_find_completion_by_table(Monitor *mon,
3690 const mon_cmd_t *cmd_table,
3691 char **args,
3692 int nb_args)
81d0912d
FB		 3693{
3694 const char *cmdname;
c35b6400 3695 int i;
fea68bb6 3696 const char *ptype, *str, *name;
c227f099 3697 const mon_cmd_t *cmd;
da27a00e 3698 BlockBackend *blk = NULL;
81d0912d 3699
81d0912d
FB		 3700 if (nb_args <= 1) {
3701 /* command completion */
3702 if (nb_args == 0)
3703 cmdname = "";
3704 else
3705 cmdname = args[0];
d2674b2c 3706 readline_set_completion_index(mon->rs, strlen(cmdname));
c35b6400 3707 for (cmd = cmd_table; cmd->name != NULL; cmd++) {
cd5c6bba 3708 cmd_completion(mon, cmdname, cmd->name);
81d0912d
FB		 3709 }
3710 } else {
3711 /* find the command */
c35b6400 3712 for (cmd = cmd_table; cmd->name != NULL; cmd++) {
03a63484
JK		 3713 if (compare_cmd(args[0], cmd->name)) {
3714 break;
3715 }
81d0912d 3716 }
03a63484 3717 if (!cmd->name) {
c35b6400 3718 return;
03a63484
JK		 3719 }
3720
d903a779
WX		 3721 if (cmd->sub_table) {
3722 /* do the job again */
e7ae771f
SW		 3723 monitor_find_completion_by_table(mon, cmd->sub_table,
3724 &args[1], nb_args - 1);
3725 return;
d903a779 3726 }
bfa40f77 3727 if (cmd->command_completion) {
e7ae771f
SW		 3728 cmd->command_completion(mon->rs, nb_args, args[nb_args - 1]);
3729 return;
bfa40f77 3730 }
d903a779 3731
4d76d2ba 3732 ptype = next_arg_type(cmd->args_type);
81d0912d
FB		 3733 for(i = 0; i < nb_args - 2; i++) {
3734 if (*ptype != '\0') {
4d76d2ba 3735 ptype = next_arg_type(ptype);
81d0912d 3736 while (*ptype == '?')
4d76d2ba 3737 ptype = next_arg_type(ptype);
81d0912d
FB		 3738 }
3739 }
3740 str = args[nb_args - 1];
48fe86f6 3741 while (*ptype == '-' && ptype[1] != '\0') {
3b6dbf27 3742 ptype = next_arg_type(ptype);
2a1704a7 3743 }
81d0912d
FB		 3744 switch(*ptype) {
3745 case 'F':
3746 /* file completion */
d2674b2c 3747 readline_set_completion_index(mon->rs, strlen(str));
cb8f68b1 3748 file_completion(mon, str);
81d0912d
FB		 3749 break;
3750 case 'B':
3751 /* block device name completion */
599a926a 3752 readline_set_completion_index(mon->rs, strlen(str));
da27a00e
HR		 3753 while ((blk = blk_next(blk)) != NULL) {
3754 name = blk_name(blk);
fea68bb6
MA		 3755 if (str[0] == '\0' ||
3756 !strncmp(name, str, strlen(str))) {
3757 readline_add_completion(mon->rs, name);
3758 }
3759 }
81d0912d 3760 break;
7fe48483 3761 case 's':
129be006 3762 case 'S':
29136cd8 3763 if (!strcmp(cmd->name, "help|?")) {
7ca0e061
WX		 3764 monitor_find_completion_by_table(mon, cmd_table,
3765 &args[1], nb_args - 1);
7fe48483
FB		 3766 }
3767 break;
81d0912d
FB		 3768 default:
3769 break;
3770 }
3771 }
c35b6400
WX		 3772}
3773
c60bf339 3774static void monitor_find_completion(void *opaque,
c35b6400
WX		 3775 const char *cmdline)
3776{
c60bf339 3777 Monitor *mon = opaque;
c35b6400
WX		 3778 char *args[MAX_ARGS];
3779 int nb_args, len;
3780
3781 /* 1. parse the cmdline */
3782 if (parse_cmdline(cmdline, &nb_args, args) < 0) {
3783 return;
3784 }
c35b6400
WX		 3785
3786 /* if the line ends with a space, it means we want to complete the
3787 next arg */
3788 len = strlen(cmdline);
3789 if (len > 0 && qemu_isspace(cmdline[len - 1])) {
3790 if (nb_args >= MAX_ARGS) {
3791 goto cleanup;
3792 }
3793 args[nb_args++] = g_strdup("");
3794 }
3795
3796 /* 2. auto complete according to args */
3797 monitor_find_completion_by_table(mon, mon->cmd_table, args, nb_args);
03a63484
JK		 3798
3799cleanup:
dcc70cdf 3800 free_cmdline_args(args, nb_args);
81d0912d
FB		 3801}
3802
731b0364 3803static int monitor_can_read(void *opaque)
9dc39cba 3804{
731b0364
AL		 3805 Monitor *mon = opaque;
3806
c62313bb 3807 return (mon->suspend_cnt == 0) ? 1 : 0;
9dc39cba
FB		 3808}
3809
95385fe9 3810static void handle_qmp_command(JSONMessageParser *parser, GQueue *tokens)
5fa737a4 3811{
5c678ee8
MAL		 3812 QObject *req, *rsp = NULL, *id = NULL;
3813 QDict *qdict = NULL;
5fa737a4 3814 Monitor *mon = cur_mon;
5c678ee8 3815 Error *err = NULL;
5fa737a4 3816
5c678ee8 3817 req = json_parser_parse_err(tokens, NULL, &err);
bbf1028a
MA		 3818 if (!req && !err) {
3819 /* json_parser_parse_err() sucks: can fail without setting @err */
3820 error_setg(&err, QERR_JSON_PARSING);
3821 }
3822 if (err) {
5fa737a4 3823 goto err_out;
5fa737a4
LC		 3824 }
3825
104fc302
MA		 3826 qdict = qobject_to_qdict(req);
3827 if (qdict) {
3828 id = qdict_get(qdict, "id");
3829 qobject_incref(id);
3830 qdict_del(qdict, "id");
3831 } /* else will fail qmp_dispatch() */
5c678ee8 3832
bd6952a3
DL		 3833 if (trace_event_get_state_backends(TRACE_HANDLE_QMP_COMMAND)) {
3834 QString *req_json = qobject_to_json(req);
3835 trace_handle_qmp_command(mon, qstring_get_str(req_json));
3836 QDECREF(req_json);
3837 }
b097efc0 3838
635db18f 3839 rsp = qmp_dispatch(cur_mon->qmp.commands, req);
5fa737a4 3840
635db18f
MA		 3841 if (mon->qmp.commands == &qmp_cap_negotiation_commands) {
3842 qdict = qdict_get_qdict(qobject_to_qdict(rsp), "error");
3843 if (qdict
3844 && !g_strcmp0(qdict_get_try_str(qdict, "class"),
977c736f 3845 QapiErrorClass_str(ERROR_CLASS_COMMAND_NOT_FOUND))) {
635db18f
MA		 3846 /* Provide a more useful error message */
3847 qdict_del(qdict, "desc");
46f5ac20
EB		 3848 qdict_put_str(qdict, "desc", "Expecting capabilities negotiation"
3849 " with 'qmp_capabilities'");
635db18f
MA		 3850 }
3851 }
5fa737a4 3852
5c678ee8
MAL		 3853err_out:
3854 if (err) {
3855 qdict = qdict_new();
3856 qdict_put_obj(qdict, "error", qmp_build_error_object(err));
3857 error_free(err);
3858 rsp = QOBJECT(qdict);
5fa737a4
LC		 3859 }
3860
5c678ee8
MAL		 3861 if (rsp) {
3862 if (id) {
3863 qdict_put_obj(qobject_to_qdict(rsp), "id", id);
3864 id = NULL;
3865 }
5fa737a4 3866
5c678ee8
MAL		 3867 monitor_json_emitter(mon, rsp);
3868 }
3869
3870 qobject_decref(id);
3871 qobject_decref(rsp);
3872 qobject_decref(req);
5fa737a4
LC		 3873}
3874
c83fe23b 3875static void monitor_qmp_read(void *opaque, const uint8_t *buf, int size)
9b57c02e
LC		 3876{
3877 Monitor *old_mon = cur_mon;
3878
3879 cur_mon = opaque;
3880
74358f2a 3881 json_message_parser_feed(&cur_mon->qmp.parser, (const char *) buf, size);
9b57c02e
LC		 3882
3883 cur_mon = old_mon;
3884}
3885
731b0364 3886static void monitor_read(void *opaque, const uint8_t *buf, int size)
9dc39cba 3887{
731b0364 3888 Monitor *old_mon = cur_mon;
7e2515e8 3889 int i;
376253ec 3890
731b0364
AL		 3891 cur_mon = opaque;
3892
cde76ee1
AL		 3893 if (cur_mon->rs) {
3894 for (i = 0; i < size; i++)
3895 readline_handle_byte(cur_mon->rs, buf[i]);
3896 } else {
3897 if (size == 0 || buf[size - 1] != 0)
3898 monitor_printf(cur_mon, "corrupted command\n");
3899 else
7ef6cf63 3900 handle_hmp_command(cur_mon, (char *)buf);
cde76ee1 3901 }
9dc39cba 3902
731b0364
AL		 3903 cur_mon = old_mon;
3904}
d8f44609 3905
c60bf339
SH		 3906static void monitor_command_cb(void *opaque, const char *cmdline,
3907 void *readline_opaque)
aa455485 3908{
c60bf339
SH		 3909 Monitor *mon = opaque;
3910
731b0364 3911 monitor_suspend(mon);
7ef6cf63 3912 handle_hmp_command(mon, cmdline);
731b0364 3913 monitor_resume(mon);
d8f44609
AL		 3914}
3915
cde76ee1 3916int monitor_suspend(Monitor *mon)
d8f44609 3917{
cde76ee1
AL		 3918 if (!mon->rs)
3919 return -ENOTTY;
731b0364 3920 mon->suspend_cnt++;
cde76ee1 3921 return 0;
d8f44609
AL		 3922}
3923
376253ec 3924void monitor_resume(Monitor *mon)
d8f44609 3925{
cde76ee1
AL		 3926 if (!mon->rs)
3927 return;
731b0364
AL		 3928 if (--mon->suspend_cnt == 0)
3929 readline_show_prompt(mon->rs);
aa455485
FB		 3930}
3931
ca9567e2
LC		 3932static QObject *get_qmp_greeting(void)
3933{
b9c15f16 3934 QObject *ver = NULL;
ca9567e2 3935
7fad30f0 3936 qmp_marshal_query_version(NULL, &ver, NULL);
c823501e
MAL		 3937
3938 return qobject_from_jsonf("{'QMP': {'version': %p, 'capabilities': []}}",
3939 ver);
ca9567e2
LC		 3940}
3941
c83fe23b 3942static void monitor_qmp_event(void *opaque, int event)
9b57c02e 3943{
47116d1c
LC		 3944 QObject *data;
3945 Monitor *mon = opaque;
9b57c02e 3946
47116d1c
LC		 3947 switch (event) {
3948 case CHR_EVENT_OPENED:
635db18f 3949 mon->qmp.commands = &qmp_cap_negotiation_commands;
ca9567e2 3950 data = get_qmp_greeting();
9b57c02e
LC		 3951 monitor_json_emitter(mon, data);
3952 qobject_decref(data);
efb87c16 3953 mon_refcount++;
47116d1c
LC		 3954 break;
3955 case CHR_EVENT_CLOSED:
74358f2a
MA		 3956 json_message_parser_destroy(&mon->qmp.parser);
3957 json_message_parser_init(&mon->qmp.parser, handle_qmp_command);
efb87c16
CB		 3958 mon_refcount--;
3959 monitor_fdsets_cleanup();
47116d1c 3960 break;
9b57c02e
LC		 3961 }
3962}
3963
731b0364 3964static void monitor_event(void *opaque, int event)
86e94dea 3965{
376253ec
AL		 3966 Monitor *mon = opaque;
3967
2724b180
AL		 3968 switch (event) {
3969 case CHR_EVENT_MUX_IN:
6cff3e85 3970 qemu_mutex_lock(&mon->out_lock);
a7aec5da 3971 mon->mux_out = 0;
6cff3e85 3972 qemu_mutex_unlock(&mon->out_lock);
a7aec5da
GH		 3973 if (mon->reset_seen) {
3974 readline_restart(mon->rs);
3975 monitor_resume(mon);
3976 monitor_flush(mon);
3977 } else {
3978 mon->suspend_cnt = 0;
3979 }
2724b180
AL		 3980 break;
3981
3982 case CHR_EVENT_MUX_OUT:
a7aec5da
GH		 3983 if (mon->reset_seen) {
3984 if (mon->suspend_cnt == 0) {
3985 monitor_printf(mon, "\n");
3986 }
3987 monitor_flush(mon);
3988 monitor_suspend(mon);
3989 } else {
3990 mon->suspend_cnt++;
3991 }
6cff3e85 3992 qemu_mutex_lock(&mon->out_lock);
a7aec5da 3993 mon->mux_out = 1;
6cff3e85 3994 qemu_mutex_unlock(&mon->out_lock);
2724b180 3995 break;
86e94dea 3996
b6b8df56 3997 case CHR_EVENT_OPENED:
2724b180
AL		 3998 monitor_printf(mon, "QEMU %s monitor - type 'help' for more "
3999 "information\n", QEMU_VERSION);
a7aec5da 4000 if (!mon->mux_out) {
e5554e20 4001 readline_restart(mon->rs);
2724b180 4002 readline_show_prompt(mon->rs);
a7aec5da
GH		 4003 }
4004 mon->reset_seen = 1;
efb87c16
CB		 4005 mon_refcount++;
4006 break;
4007
4008 case CHR_EVENT_CLOSED:
4009 mon_refcount--;
4010 monitor_fdsets_cleanup();
2724b180
AL		 4011 break;
4012 }
86e94dea
TS		 4013}
4014
816f8925
WX		 4015static int
4016compare_mon_cmd(const void *a, const void *b)
4017{
4018 return strcmp(((const mon_cmd_t *)a)->name,
4019 ((const mon_cmd_t *)b)->name);
4020}
4021
4022static void sortcmdlist(void)
4023{
4024 int array_num;
4025 int elem_size = sizeof(mon_cmd_t);
4026
4027 array_num = sizeof(mon_cmds)/elem_size-1;
4028 qsort((void *)mon_cmds, array_num, elem_size, compare_mon_cmd);
4029
4030 array_num = sizeof(info_cmds)/elem_size-1;
4031 qsort((void *)info_cmds, array_num, elem_size, compare_mon_cmd);
4032}
4033
c60bf339
SH		 4034/* These functions just adapt the readline interface in a typesafe way. We
4035 * could cast function pointers but that discards compiler checks.
4036 */
d5d1507b
SW		 4037static void GCC_FMT_ATTR(2, 3) monitor_readline_printf(void *opaque,
4038 const char *fmt, ...)
c60bf339
SH		 4039{
4040 va_list ap;
4041 va_start(ap, fmt);
4042 monitor_vprintf(opaque, fmt, ap);
4043 va_end(ap);
4044}
4045
4046static void monitor_readline_flush(void *opaque)
4047{
4048 monitor_flush(opaque);
4049}
4050
397d30e9
PB		 4051/*
4052 * Print to current monitor if we have one, else to stderr.
4053 * TODO should return int, so callers can calculate width, but that
4054 * requires surgery to monitor_vprintf(). Left for another day.
4055 */
4056void error_vprintf(const char *fmt, va_list ap)
4057{
4058 if (cur_mon && !monitor_cur_is_qmp()) {
4059 monitor_vprintf(cur_mon, fmt, ap);
4060 } else {
4061 vfprintf(stderr, fmt, ap);
4062 }
4063}
4064
4065void error_vprintf_unless_qmp(const char *fmt, va_list ap)
4066{
4067 if (cur_mon && !monitor_cur_is_qmp()) {
4068 monitor_vprintf(cur_mon, fmt, ap);
0d6b50d4
MAL		 4069 } else if (!cur_mon) {
4070 vfprintf(stderr, fmt, ap);
397d30e9
PB		 4071 }
4072}
4073
d622cb58
PB		 4074static void __attribute__((constructor)) monitor_lock_init(void)
4075{
4076 qemu_mutex_init(&monitor_lock);
4077}
4078
0ec7b3e7 4079void monitor_init(Chardev *chr, int flags)
aa455485 4080{
731b0364 4081 static int is_first_init = 1;
87127161 4082 Monitor *mon;
20d8a3ed
TS		 4083
4084 if (is_first_init) {
43a14cfc 4085 monitor_qapi_event_init();
d038317c 4086 sortcmdlist();
20d8a3ed
TS		 4087 is_first_init = 0;
4088 }
87127161 4089
b01fe89e
WX		 4090 mon = g_malloc(sizeof(*mon));
4091 monitor_data_init(mon);
20d8a3ed 4092
32a6ebec 4093 qemu_chr_fe_init(&mon->chr, chr, &error_abort);
731b0364 4094 mon->flags = flags;
cde76ee1 4095 if (flags & MONITOR_USE_READLINE) {
c60bf339
SH		 4096 mon->rs = readline_init(monitor_readline_printf,
4097 monitor_readline_flush,
4098 mon,
4099 monitor_find_completion);
cde76ee1
AL		 4100 monitor_read_command(mon, 0);
4101 }
87127161 4102
9f3982f2 4103 if (monitor_is_qmp(mon)) {
5345fdb4 4104 qemu_chr_fe_set_handlers(&mon->chr, monitor_can_read, monitor_qmp_read,
81517ba3 4105 monitor_qmp_event, NULL, mon, NULL, true);
5345fdb4 4106 qemu_chr_fe_set_echo(&mon->chr, true);
74358f2a 4107 json_message_parser_init(&mon->qmp.parser, handle_qmp_command);
9b57c02e 4108 } else {
5345fdb4 4109 qemu_chr_fe_set_handlers(&mon->chr, monitor_can_read, monitor_read,
81517ba3 4110 monitor_event, NULL, mon, NULL, true);
9b57c02e 4111 }
87127161 4112
d622cb58 4113 qemu_mutex_lock(&monitor_lock);
72cf2d4f 4114 QLIST_INSERT_HEAD(&mon_list, mon, entry);
d622cb58 4115 qemu_mutex_unlock(&monitor_lock);
aa455485
FB		 4116}
4117
2ef45716
MAL		 4118void monitor_cleanup(void)
4119{
4120 Monitor *mon, *next;
4121
4122 qemu_mutex_lock(&monitor_lock);
4123 QLIST_FOREACH_SAFE(mon, &mon_list, entry, next) {
4124 QLIST_REMOVE(mon, entry);
4125 monitor_data_destroy(mon);
4126 g_free(mon);
4127 }
4128 qemu_mutex_unlock(&monitor_lock);
4129}
4130
4d454574
PB		 4131QemuOptsList qemu_mon_opts = {
4132 .name = "mon",
4133 .implied_opt_name = "chardev",
4134 .head = QTAILQ_HEAD_INITIALIZER(qemu_mon_opts.head),
4135 .desc = {
4136 {
4137 .name = "mode",
4138 .type = QEMU_OPT_STRING,
4139 },{
4140 .name = "chardev",
4141 .type = QEMU_OPT_STRING,
4142 },{
bdbcb547 4143 .name = "default", /* deprecated */
4d454574
PB		 4144 .type = QEMU_OPT_BOOL,
4145 },{
4146 .name = "pretty",
4147 .type = QEMU_OPT_BOOL,
4148 },
4149 { /* end of list */ }
4150 },
4151};
f2ae8abf
MT		 4152
4153#ifndef TARGET_I386
4154void qmp_rtc_reset_reinjection(Error **errp)
4155{
c6bd8c70 4156 error_setg(errp, QERR_FEATURE_DISABLED, "rtc-reset-reinjection");
f2ae8abf
MT		 4157}
4158#endif
7ee0c3e3
JH		 4159
4160#ifndef TARGET_S390X
4161void qmp_dump_skeys(const char *filename, Error **errp)
4162{
4163 error_setg(errp, QERR_FEATURE_DISABLED, "dump-skeys");
4164}
4165#endif
ae50a770
PX		 4166
4167#ifndef TARGET_ARM
4168GICCapabilityList *qmp_query_gic_capabilities(Error **errp)
4169{
4170 error_setg(errp, QERR_FEATURE_DISABLED, "query-gic-capabilities");
4171 return NULL;
4172}
4173#endif
d4633541
IM		 4174
4175HotpluggableCPUList *qmp_query_hotpluggable_cpus(Error **errp)
4176{
4177 MachineState *ms = MACHINE(qdev_get_machine());
4178 MachineClass *mc = MACHINE_GET_CLASS(ms);
4179
c5514d0e 4180 if (!mc->has_hotpluggable_cpus) {
d4633541
IM		 4181 error_setg(errp, QERR_FEATURE_DISABLED, "query-hotpluggable-cpus");
4182 return NULL;
4183 }
4184
c5514d0e 4185 return machine_query_hotpluggable_cpus(ms);
d4633541 4186}
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