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intc: make HMP 'info irq' and 'info pic' commands use InterruptStatsProvider interface
[mirror_qemu.git] / monitor.c
CommitLineData
9dc39cba
FB		 1/*
2 * QEMU monitor
5fafdf24 3 *
9dc39cba 4 * Copyright (c) 2003-2004 Fabrice Bellard
5fafdf24 5 *
9dc39cba
FB		 6 * Permission is hereby granted, free of charge, to any person obtaining a copy
7 * of this software and associated documentation files (the "Software"), to deal
8 * in the Software without restriction, including without limitation the rights
9 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
10 * copies of the Software, and to permit persons to whom the Software is
11 * furnished to do so, subject to the following conditions:
12 *
13 * The above copyright notice and this permission notice shall be included in
14 * all copies or substantial portions of the Software.
15 *
16 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
17 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
18 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
19 * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
20 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
21 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
22 * THE SOFTWARE.
23 */
d38ea87a 24#include "qemu/osdep.h"
511d2b14 25#include <dirent.h>
33c11879
PB		 26#include "qemu-common.h"
27#include "cpu.h"
87ecb68b 28#include "hw/hw.h"
b4a42f81 29#include "monitor/qdev.h"
87ecb68b 30#include "hw/usb.h"
0d09e41a 31#include "hw/i386/pc.h"
a2cb15b0 32#include "hw/pci/pci.h"
0d09e41a 33#include "sysemu/watchdog.h"
45a50b16 34#include "hw/loader.h"
022c62cb 35#include "exec/gdbstub.h"
1422e32d 36#include "net/net.h"
68ac40d2 37#include "net/slirp.h"
dccfcd0e 38#include "sysemu/char.h"
7572150c 39#include "ui/qemu-spice.h"
9c17d615 40#include "sysemu/sysemu.h"
e35704ba 41#include "sysemu/numa.h"
83c9089e 42#include "monitor/monitor.h"
0150cd81 43#include "qemu/readline.h"
28ecbaee 44#include "ui/console.h"
c751a74a 45#include "ui/input.h"
9c17d615 46#include "sysemu/blockdev.h"
da27a00e 47#include "sysemu/block-backend.h"
87ecb68b 48#include "audio/audio.h"
76cad711 49#include "disas/disas.h"
9c17d615 50#include "sysemu/balloon.h"
1de7afc9 51#include "qemu/timer.h"
caf71f86 52#include "migration/migration.h"
9c17d615 53#include "sysemu/kvm.h"
1de7afc9 54#include "qemu/acl.h"
bdee56f5 55#include "sysemu/tpm.h"
cc7a8ea7 56#include "qapi/qmp/qerror.h"
c7eb39cb 57#include "qapi/qmp/types.h"
7b1b5d19
PB		 58#include "qapi/qmp/qjson.h"
59#include "qapi/qmp/json-streamer.h"
60#include "qapi/qmp/json-parser.h"
a9c94277 61#include "qom/object_interfaces.h"
2b41f10e 62#include "cpu.h"
89bd820a 63#include "trace.h"
31965ae2 64#include "trace/control.h"
bf957284 65#include "monitor/hmp-target.h"
6d8a764e 66#ifdef CONFIG_TRACE_SIMPLE
31965ae2 67#include "trace/simple.h"
22890ab5 68#endif
022c62cb 69#include "exec/memory.h"
63c91552 70#include "exec/exec-all.h"
03dd024f 71#include "qemu/log.h"
48a32bed
AL		 72#include "qmp-commands.h"
73#include "hmp.h"
1de7afc9 74#include "qemu/thread.h"
b21631f3 75#include "block/qapi.h"
43a14cfc
WX		 76#include "qapi/qmp-event.h"
77#include "qapi-event.h"
39a18158 78#include "qmp-introspect.h"
5560625b 79#include "sysemu/block-backend.h"
dc599978 80#include "sysemu/qtest.h"
f348b6d1 81#include "qemu/cutils.h"
edcfaefe 82#include "qapi/qmp/dispatch.h"
6a5bd307 83
a4538a5c
JH		 84#if defined(TARGET_S390X)
85#include "hw/s390x/storage-keys.h"
86#endif
87
9307c4c1
FB		 88/*
89 * Supported types:
5fafdf24 90 *
9307c4c1 91 * 'F' filename
81d0912d 92 * 'B' block device name
9307c4c1 93 * 's' string (accept optional quote)
129be006 94 * 'S' it just appends the rest of the string (accept optional quote)
361127df
MA		 95 * 'O' option string of the form NAME=VALUE,...
96 * parsed according to QemuOptsList given by its name
97 * Example: 'device:O' uses qemu_device_opts.
98 * Restriction: only lists with empty desc are supported
99 * TODO lift the restriction
92a31b1f
FB		 100 * 'i' 32 bit integer
101 * 'l' target long (32 or 64 bit)
91162849
LC		 102 * 'M' Non-negative target long (32 or 64 bit), in user mode the
103 * value is multiplied by 2^20 (think Mebibyte)
dbc0c67f 104 * 'o' octets (aka bytes)
5e00984a
KW		 105 * user mode accepts an optional E, e, P, p, T, t, G, g, M, m,
106 * K, k suffix, which multiplies the value by 2^60 for suffixes E
107 * and e, 2^50 for suffixes P and p, 2^40 for suffixes T and t,
108 * 2^30 for suffixes G and g, 2^20 for M and m, 2^10 for K and k
fccfb11e
MA		 109 * 'T' double
110 * user mode accepts an optional ms, us, ns suffix,
111 * which divides the value by 1e3, 1e6, 1e9, respectively
9307c4c1
FB		 112 * '/' optional gdb-like print format (like "/10x")
113 *
fb46660e
LC		 114 * '?' optional type (for all types, except '/')
115 * '.' other form of optional type (for 'i' and 'l')
942cd1f2
MA		 116 * 'b' boolean
117 * user mode accepts "on" or "off"
fb46660e 118 * '-' optional parameter (eg. '-f')
9307c4c1
FB		 119 *
120 */
121
c227f099 122typedef struct mon_cmd_t {
9dc39cba 123 const char *name;
9307c4c1 124 const char *args_type;
9dc39cba
FB		 125 const char *params;
126 const char *help;
2b9e3576
MAL		 127 void (*cmd)(Monitor *mon, const QDict *qdict);
128 /* @sub_table is a list of 2nd level of commands. If it does not exist,
129 * cmd should be used. If it exists, sub_table[?].cmd should be
130 * used, and cmd of 1st level plays the role of help function.
5f3d335f
WX		 131 */
132 struct mon_cmd_t *sub_table;
bfa40f77 133 void (*command_completion)(ReadLineState *rs, int nb_args, const char *str);
c227f099 134} mon_cmd_t;
9dc39cba 135
f07918fd 136/* file descriptors passed via SCM_RIGHTS */
c227f099
AL		 137typedef struct mon_fd_t mon_fd_t;
138struct mon_fd_t {
f07918fd
MM		 139 char *name;
140 int fd;
c227f099 141 QLIST_ENTRY(mon_fd_t) next;
f07918fd
MM		 142};
143
ba1c048a
CB		 144/* file descriptor associated with a file descriptor set */
145typedef struct MonFdsetFd MonFdsetFd;
146struct MonFdsetFd {
147 int fd;
148 bool removed;
149 char *opaque;
150 QLIST_ENTRY(MonFdsetFd) next;
151};
152
153/* file descriptor set containing fds passed via SCM_RIGHTS */
154typedef struct MonFdset MonFdset;
155struct MonFdset {
156 int64_t id;
157 QLIST_HEAD(, MonFdsetFd) fds;
adb696f3 158 QLIST_HEAD(, MonFdsetFd) dup_fds;
ba1c048a
CB		 159 QLIST_ENTRY(MonFdset) next;
160};
161
74358f2a 162typedef struct {
5fa737a4 163 JSONMessageParser parser;
f994b258
MA		 164 /*
165 * When a client connects, we're in capabilities negotiation mode.
166 * When command qmp_capabilities succeeds, we go into command
167 * mode.
168 */
169 bool in_command_mode; /* are we in command mode? */
74358f2a 170} MonitorQMP;
5fa737a4 171
afeecec2
DB		 172/*
173 * To prevent flooding clients, events can be throttled. The
174 * throttling is calculated globally, rather than per-Monitor
175 * instance.
176 */
43a14cfc 177typedef struct MonitorQAPIEventState {
7de0be65
MA		 178 QAPIEvent event; /* Throttling state for this event type and... */
179 QDict *data; /* ... data, see qapi_event_throttle_equal() */
afeecec2 180 QEMUTimer *timer; /* Timer for handling delayed events */
688b4b7d 181 QDict *qdict; /* Delayed event (if any) */
43a14cfc 182} MonitorQAPIEventState;
afeecec2 183
b9b03ab0
MA		 184typedef struct {
185 int64_t rate; /* Minimum time (in ns) between two events */
186} MonitorQAPIEventConf;
187
87127161
AL		 188struct Monitor {
189 CharDriverState *chr;
a7aec5da 190 int reset_seen;
731b0364
AL		 191 int flags;
192 int suspend_cnt;
48c043d0 193 bool skip_flush;
6cff3e85
PB		 194
195 QemuMutex out_lock;
e1f2641b 196 QString *outbuf;
6cff3e85
PB		 197 guint out_watch;
198
199 /* Read under either BQL or out_lock, written with BQL+out_lock. */
200 int mux_out;
201
731b0364 202 ReadLineState *rs;
74358f2a 203 MonitorQMP qmp;
cb446eca 204 CPUState *mon_cpu;
097310b5 205 BlockCompletionFunc *password_completion_cb;
731b0364 206 void *password_opaque;
7717239d 207 mon_cmd_t *cmd_table;
c227f099 208 QLIST_HEAD(,mon_fd_t) fds;
72cf2d4f 209 QLIST_ENTRY(Monitor) entry;
87127161
AL		 210};
211
2dbc8db0
LC		 212/* QMP checker flags */
213#define QMP_ACCEPT_UNKNOWNS 1
214
d622cb58
PB		 215/* Protects mon_list, monitor_event_state. */
216static QemuMutex monitor_lock;
217
72cf2d4f 218static QLIST_HEAD(mon_list, Monitor) mon_list;
ba1c048a 219static QLIST_HEAD(mon_fdsets, MonFdset) mon_fdsets;
efb87c16 220static int mon_refcount;
7e2515e8 221
816f8925
WX		 222static mon_cmd_t mon_cmds[];
223static mon_cmd_t info_cmds[];
9dc39cba 224
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) {
e1f2641b 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) {
e02bc6de 314 mon->out_watch = qemu_chr_fe_add_watch(mon->chr, G_IO_OUT|G_IO_HUP,
6cff3e85 315 monitor_unblocked, mon);
293d2a00 316 }
7e2515e8
FB		 317 }
318}
319
6cff3e85
PB		 320void monitor_flush(Monitor *mon)
321{
322 qemu_mutex_lock(&mon->out_lock);
323 monitor_flush_locked(mon);
324 qemu_mutex_unlock(&mon->out_lock);
325}
326
e1f2641b 327/* flush at every end of line */
376253ec 328static void monitor_puts(Monitor *mon, const char *str)
7e2515e8 329{
60fe76f3 330 char c;
731b0364 331
6cff3e85 332 qemu_mutex_lock(&mon->out_lock);
7e2515e8
FB		 333 for(;;) {
334 c = *str++;
335 if (c == '\0')
336 break;
e1f2641b
LC		 337 if (c == '\n') {
338 qstring_append_chr(mon->outbuf, '\r');
339 }
340 qstring_append_chr(mon->outbuf, c);
341 if (c == '\n') {
6cff3e85 342 monitor_flush_locked(mon);
e1f2641b 343 }
7e2515e8 344 }
6cff3e85 345 qemu_mutex_unlock(&mon->out_lock);
7e2515e8
FB		 346}
347
376253ec 348void monitor_vprintf(Monitor *mon, const char *fmt, va_list ap)
9dc39cba 349{
e1f2641b 350 char *buf;
b8b08266 351
2daa1191
LC		 352 if (!mon)
353 return;
354
9f3982f2 355 if (monitor_is_qmp(mon)) {
b8b08266 356 return;
4a29a85d 357 }
b8b08266 358
e1f2641b 359 buf = g_strdup_vprintf(fmt, ap);
b8b08266 360 monitor_puts(mon, buf);
e1f2641b 361 g_free(buf);
9dc39cba
FB		 362}
363
376253ec 364void monitor_printf(Monitor *mon, const char *fmt, ...)
9dc39cba 365{
7e2515e8
FB		 366 va_list ap;
367 va_start(ap, fmt);
376253ec 368 monitor_vprintf(mon, fmt, ap);
7e2515e8 369 va_end(ap);
9dc39cba
FB		 370}
371
caf15319 372int monitor_fprintf(FILE *stream, const char *fmt, ...)
7fe48483
FB		 373{
374 va_list ap;
375 va_start(ap, fmt);
376253ec 376 monitor_vprintf((Monitor *)stream, fmt, ap);
7fe48483
FB		 377 va_end(ap);
378 return 0;
379}
380
9b57c02e
LC		 381static void monitor_json_emitter(Monitor *mon, const QObject *data)
382{
383 QString *json;
384
83a27d4d
LC		 385 json = mon->flags & MONITOR_USE_PRETTY ? qobject_to_json_pretty(data) :
386 qobject_to_json(data);
9b57c02e
LC		 387 assert(json != NULL);
388
b8b08266
LC		 389 qstring_append_chr(json, '\n');
390 monitor_puts(mon, qstring_get_str(json));
4a29a85d 391
9b57c02e
LC		 392 QDECREF(json);
393}
394
7fb1cf16 395static MonitorQAPIEventConf monitor_qapi_event_conf[QAPI_EVENT__MAX] = {
b9b03ab0
MA		 396 /* Limit guest-triggerable events to 1 per second */
397 [QAPI_EVENT_RTC_CHANGE] = { 1000 * SCALE_MS },
398 [QAPI_EVENT_WATCHDOG] = { 1000 * SCALE_MS },
399 [QAPI_EVENT_BALLOON_CHANGE] = { 1000 * SCALE_MS },
400 [QAPI_EVENT_QUORUM_REPORT_BAD] = { 1000 * SCALE_MS },
401 [QAPI_EVENT_QUORUM_FAILURE] = { 1000 * SCALE_MS },
402 [QAPI_EVENT_VSERPORT_CHANGE] = { 1000 * SCALE_MS },
403};
404
a24712af 405GHashTable *monitor_qapi_event_state;
afeecec2
DB		 406
407/*
43a14cfc 408 * Emits the event to every monitor instance, @event is only used for trace
d622cb58 409 * Called with monitor_lock held.
afeecec2 410 */
688b4b7d 411static void monitor_qapi_event_emit(QAPIEvent event, QDict *qdict)
afeecec2
DB		 412{
413 Monitor *mon;
414
688b4b7d 415 trace_monitor_protocol_event_emit(event, qdict);
afeecec2 416 QLIST_FOREACH(mon, &mon_list, entry) {
9f3982f2 417 if (monitor_is_qmp(mon) && mon->qmp.in_command_mode) {
688b4b7d 418 monitor_json_emitter(mon, QOBJECT(qdict));
afeecec2
DB		 419 }
420 }
421}
422
a24712af
MA		 423static void monitor_qapi_event_handler(void *opaque);
424
afeecec2
DB		 425/*
426 * Queue a new event for emission to Monitor instances,
427 * applying any rate limiting if required.
428 */
429static void
688b4b7d 430monitor_qapi_event_queue(QAPIEvent event, QDict *qdict, Error **errp)
afeecec2 431{
b9b03ab0 432 MonitorQAPIEventConf *evconf;
43a14cfc 433 MonitorQAPIEventState *evstate;
afeecec2 434
7fb1cf16 435 assert(event < QAPI_EVENT__MAX);
b9b03ab0 436 evconf = &monitor_qapi_event_conf[event];
b9b03ab0 437 trace_monitor_protocol_event_queue(event, qdict, evconf->rate);
afeecec2 438
d622cb58 439 qemu_mutex_lock(&monitor_lock);
93f8f982 440
b9b03ab0 441 if (!evconf->rate) {
93f8f982 442 /* Unthrottled event */
688b4b7d 443 monitor_qapi_event_emit(event, qdict);
afeecec2 444 } else {
7de0be65
MA		 445 QDict *data = qobject_to_qdict(qdict_get(qdict, "data"));
446 MonitorQAPIEventState key = { .event = event, .data = data };
a24712af
MA		 447
448 evstate = g_hash_table_lookup(monitor_qapi_event_state, &key);
449 assert(!evstate || timer_pending(evstate->timer));
450
451 if (evstate) {
93f8f982 452 /*
b9b03ab0 453 * Timer is pending for (at least) evconf->rate ns after
93f8f982
MA		 454 * last send. Store event for sending when timer fires,
455 * replacing a prior stored event if any.
afeecec2 456 */
93f8f982 457 QDECREF(evstate->qdict);
688b4b7d
MA		 458 evstate->qdict = qdict;
459 QINCREF(evstate->qdict);
afeecec2 460 } else {
93f8f982 461 /*
b9b03ab0 462 * Last send was (at least) evconf->rate ns ago.
93f8f982 463 * Send immediately, and arm the timer to call
b9b03ab0 464 * monitor_qapi_event_handler() in evconf->rate ns. Any
93f8f982
MA		 465 * events arriving before then will be delayed until then.
466 */
dc599978 467 int64_t now = qemu_clock_get_ns(event_clock_type);
93f8f982 468
688b4b7d 469 monitor_qapi_event_emit(event, qdict);
a24712af
MA		 470
471 evstate = g_new(MonitorQAPIEventState, 1);
472 evstate->event = event;
7de0be65
MA		 473 evstate->data = data;
474 QINCREF(evstate->data);
a24712af 475 evstate->qdict = NULL;
dc599978 476 evstate->timer = timer_new_ns(event_clock_type,
a24712af
MA		 477 monitor_qapi_event_handler,
478 evstate);
479 g_hash_table_add(monitor_qapi_event_state, evstate);
b9b03ab0 480 timer_mod_ns(evstate->timer, now + evconf->rate);
afeecec2
DB		 481 }
482 }
93f8f982 483
d622cb58 484 qemu_mutex_unlock(&monitor_lock);
afeecec2
DB		 485}
486
afeecec2 487/*
b9b03ab0 488 * This function runs evconf->rate ns after sending a throttled
93f8f982
MA		 489 * event.
490 * If another event has since been stored, send it.
afeecec2 491 */
43a14cfc 492static void monitor_qapi_event_handler(void *opaque)
afeecec2 493{
43a14cfc 494 MonitorQAPIEventState *evstate = opaque;
b9b03ab0 495 MonitorQAPIEventConf *evconf = &monitor_qapi_event_conf[evstate->event];
afeecec2 496
93f8f982 497 trace_monitor_protocol_event_handler(evstate->event, evstate->qdict);
d622cb58 498 qemu_mutex_lock(&monitor_lock);
93f8f982 499
688b4b7d 500 if (evstate->qdict) {
dc599978 501 int64_t now = qemu_clock_get_ns(event_clock_type);
93f8f982 502
688b4b7d
MA		 503 monitor_qapi_event_emit(evstate->event, evstate->qdict);
504 QDECREF(evstate->qdict);
505 evstate->qdict = NULL;
b9b03ab0 506 timer_mod_ns(evstate->timer, now + evconf->rate);
a24712af
MA		 507 } else {
508 g_hash_table_remove(monitor_qapi_event_state, evstate);
7de0be65 509 QDECREF(evstate->data);
a24712af
MA		 510 timer_free(evstate->timer);
511 g_free(evstate);
afeecec2 512 }
93f8f982 513
d622cb58 514 qemu_mutex_unlock(&monitor_lock);
afeecec2
DB		 515}
516
a24712af 517static unsigned int qapi_event_throttle_hash(const void *key)
afeecec2 518{
a24712af 519 const MonitorQAPIEventState *evstate = key;
7de0be65 520 unsigned int hash = evstate->event * 255;
afeecec2 521
7de0be65
MA		 522 if (evstate->event == QAPI_EVENT_VSERPORT_CHANGE) {
523 hash += g_str_hash(qdict_get_str(evstate->data, "id"));
524 }
525
6d425eb9
AG		 526 if (evstate->event == QAPI_EVENT_QUORUM_REPORT_BAD) {
527 hash += g_str_hash(qdict_get_str(evstate->data, "node-name"));
528 }
529
7de0be65 530 return hash;
a24712af 531}
0d1ea871 532
a24712af
MA		 533static gboolean qapi_event_throttle_equal(const void *a, const void *b)
534{
535 const MonitorQAPIEventState *eva = a;
536 const MonitorQAPIEventState *evb = b;
537
7de0be65
MA		 538 if (eva->event != evb->event) {
539 return FALSE;
540 }
541
542 if (eva->event == QAPI_EVENT_VSERPORT_CHANGE) {
543 return !strcmp(qdict_get_str(eva->data, "id"),
544 qdict_get_str(evb->data, "id"));
545 }
546
6d425eb9
AG		 547 if (eva->event == QAPI_EVENT_QUORUM_REPORT_BAD) {
548 return !strcmp(qdict_get_str(eva->data, "node-name"),
549 qdict_get_str(evb->data, "node-name"));
550 }
551
7de0be65 552 return TRUE;
a24712af
MA		 553}
554
555static void monitor_qapi_event_init(void)
556{
dc599978
AG		 557 if (qtest_enabled()) {
558 event_clock_type = QEMU_CLOCK_VIRTUAL;
559 }
560
a24712af
MA		 561 monitor_qapi_event_state = g_hash_table_new(qapi_event_throttle_hash,
562 qapi_event_throttle_equal);
43a14cfc 563 qmp_event_set_func_emit(monitor_qapi_event_queue);
0d1ea871
LC		 564}
565
119ebac1 566void qmp_qmp_capabilities(Error **errp)
4a7e1190 567{
485febc6 568 cur_mon->qmp.in_command_mode = true;
4a7e1190
LC		 569}
570
7ef6cf63 571static void handle_hmp_command(Monitor *mon, const char *cmdline);
0268d97c 572
b01fe89e
WX		 573static void monitor_data_init(Monitor *mon)
574{
575 memset(mon, 0, sizeof(Monitor));
6cff3e85 576 qemu_mutex_init(&mon->out_lock);
b01fe89e 577 mon->outbuf = qstring_new();
7717239d
WX		 578 /* Use *mon_cmds by default. */
579 mon->cmd_table = mon_cmds;
b01fe89e
WX		 580}
581
582static void monitor_data_destroy(Monitor *mon)
583{
2ef45716
MAL		 584 if (mon->chr) {
585 qemu_chr_add_handlers(mon->chr, NULL, NULL, NULL, NULL);
586 }
587 if (monitor_is_qmp(mon)) {
588 json_message_parser_destroy(&mon->qmp.parser);
589 }
590 g_free(mon->rs);
b01fe89e 591 QDECREF(mon->outbuf);
6cff3e85 592 qemu_mutex_destroy(&mon->out_lock);
b01fe89e
WX		 593}
594
d51a67b4
LC		 595char *qmp_human_monitor_command(const char *command_line, bool has_cpu_index,
596 int64_t cpu_index, Error **errp)
0268d97c 597{
d51a67b4 598 char *output = NULL;
0268d97c 599 Monitor *old_mon, hmp;
0268d97c 600
b01fe89e 601 monitor_data_init(&hmp);
48c043d0 602 hmp.skip_flush = true;
0268d97c
LC		 603
604 old_mon = cur_mon;
605 cur_mon = &hmp;
606
d51a67b4
LC		 607 if (has_cpu_index) {
608 int ret = monitor_set_cpu(cpu_index);
0268d97c
LC		 609 if (ret < 0) {
610 cur_mon = old_mon;
c6bd8c70
MA		 611 error_setg(errp, QERR_INVALID_PARAMETER_VALUE, "cpu-index",
612 "a CPU number");
0268d97c
LC		 613 goto out;
614 }
615 }
616
7ef6cf63 617 handle_hmp_command(&hmp, command_line);
0268d97c
LC		 618 cur_mon = old_mon;
619
6cff3e85 620 qemu_mutex_lock(&hmp.out_lock);
48c043d0
LC		 621 if (qstring_get_length(hmp.outbuf) > 0) {
622 output = g_strdup(qstring_get_str(hmp.outbuf));
d51a67b4
LC		 623 } else {
624 output = g_strdup("");
0268d97c 625 }
6cff3e85 626 qemu_mutex_unlock(&hmp.out_lock);
0268d97c
LC		 627
628out:
b01fe89e 629 monitor_data_destroy(&hmp);
d51a67b4 630 return output;
0268d97c
LC		 631}
632
9dc39cba
FB		 633static int compare_cmd(const char *name, const char *list)
634{
635 const char *p, *pstart;
636 int len;
637 len = strlen(name);
638 p = list;
639 for(;;) {
640 pstart = p;
641 p = strchr(p, '|');
642 if (!p)
643 p = pstart + strlen(pstart);
644 if ((p - pstart) == len && !memcmp(pstart, name, len))
645 return 1;
646 if (*p == '\0')
647 break;
648 p++;
649 }
650 return 0;
651}
652
f5438c05
WX		 653static int get_str(char *buf, int buf_size, const char **pp)
654{
655 const char *p;
656 char *q;
657 int c;
658
659 q = buf;
660 p = *pp;
661 while (qemu_isspace(*p)) {
662 p++;
663 }
664 if (*p == '\0') {
665 fail:
666 *q = '\0';
667 *pp = p;
668 return -1;
669 }
670 if (*p == '\"') {
671 p++;
672 while (*p != '\0' && *p != '\"') {
673 if (*p == '\\') {
674 p++;
675 c = *p++;
676 switch (c) {
677 case 'n':
678 c = '\n';
679 break;
680 case 'r':
681 c = '\r';
682 break;
683 case '\\':
684 case '\'':
685 case '\"':
686 break;
687 default:
71baf787 688 printf("unsupported escape code: '\\%c'\n", c);
f5438c05
WX		 689 goto fail;
690 }
691 if ((q - buf) < buf_size - 1) {
692 *q++ = c;
693 }
694 } else {
695 if ((q - buf) < buf_size - 1) {
696 *q++ = *p;
697 }
698 p++;
699 }
700 }
701 if (*p != '\"') {
71baf787 702 printf("unterminated string\n");
f5438c05
WX		 703 goto fail;
704 }
705 p++;
706 } else {
707 while (*p != '\0' && !qemu_isspace(*p)) {
708 if ((q - buf) < buf_size - 1) {
709 *q++ = *p;
710 }
711 p++;
712 }
713 }
714 *q = '\0';
715 *pp = p;
716 return 0;
717}
718
719#define MAX_ARGS 16
720
dcc70cdf
WX		 721static void free_cmdline_args(char **args, int nb_args)
722{
723 int i;
724
725 assert(nb_args <= MAX_ARGS);
726
727 for (i = 0; i < nb_args; i++) {
728 g_free(args[i]);
729 }
730
731}
732
733/*
734 * Parse the command line to get valid args.
735 * @cmdline: command line to be parsed.
736 * @pnb_args: location to store the number of args, must NOT be NULL.
737 * @args: location to store the args, which should be freed by caller, must
738 * NOT be NULL.
739 *
740 * Returns 0 on success, negative on failure.
741 *
742 * NOTE: this parser is an approximate form of the real command parser. Number
743 * of args have a limit of MAX_ARGS. If cmdline contains more, it will
744 * return with failure.
745 */
746static int parse_cmdline(const char *cmdline,
747 int *pnb_args, char **args)
f5438c05
WX		 748{
749 const char *p;
750 int nb_args, ret;
751 char buf[1024];
752
753 p = cmdline;
754 nb_args = 0;
755 for (;;) {
756 while (qemu_isspace(*p)) {
757 p++;
758 }
759 if (*p == '\0') {
760 break;
761 }
762 if (nb_args >= MAX_ARGS) {
dcc70cdf 763 goto fail;
f5438c05
WX		 764 }
765 ret = get_str(buf, sizeof(buf), &p);
f5438c05 766 if (ret < 0) {
dcc70cdf 767 goto fail;
f5438c05 768 }
dcc70cdf
WX		 769 args[nb_args] = g_strdup(buf);
770 nb_args++;
f5438c05
WX		 771 }
772 *pnb_args = nb_args;
dcc70cdf
WX		 773 return 0;
774
775 fail:
776 free_cmdline_args(args, nb_args);
777 return -1;
f5438c05
WX		 778}
779
66855495
WX		 780static void help_cmd_dump_one(Monitor *mon,
781 const mon_cmd_t *cmd,
782 char **prefix_args,
783 int prefix_args_nb)
784{
785 int i;
786
787 for (i = 0; i < prefix_args_nb; i++) {
788 monitor_printf(mon, "%s ", prefix_args[i]);
789 }
790 monitor_printf(mon, "%s %s -- %s\n", cmd->name, cmd->params, cmd->help);
791}
792
793/* @args[@arg_index] is the valid command need to find in @cmds */
c227f099 794static void help_cmd_dump(Monitor *mon, const mon_cmd_t *cmds,
66855495 795 char **args, int nb_args, int arg_index)
9dc39cba 796{
c227f099 797 const mon_cmd_t *cmd;
9dc39cba 798
66855495
WX		 799 /* No valid arg need to compare with, dump all in *cmds */
800 if (arg_index >= nb_args) {
801 for (cmd = cmds; cmd->name != NULL; cmd++) {
802 help_cmd_dump_one(mon, cmd, args, arg_index);
803 }
804 return;
805 }
806
807 /* Find one entry to dump */
808 for (cmd = cmds; cmd->name != NULL; cmd++) {
809 if (compare_cmd(args[arg_index], cmd->name)) {
810 if (cmd->sub_table) {
811 /* continue with next arg */
812 help_cmd_dump(mon, cmd->sub_table,
813 args, nb_args, arg_index + 1);
814 } else {
815 help_cmd_dump_one(mon, cmd, args, arg_index);
816 }
817 break;
818 }
9dc39cba
FB		 819 }
820}
821
376253ec 822static void help_cmd(Monitor *mon, const char *name)
9dc39cba 823{
66855495
WX		 824 char *args[MAX_ARGS];
825 int nb_args = 0;
826
827 /* 1. parse user input */
828 if (name) {
829 /* special case for log, directly dump and return */
830 if (!strcmp(name, "log")) {
38dad9e5 831 const QEMULogItem *item;
376253ec
AL		 832 monitor_printf(mon, "Log items (comma separated):\n");
833 monitor_printf(mon, "%-10s %s\n", "none", "remove all logs");
38dad9e5 834 for (item = qemu_log_items; item->mask != 0; item++) {
376253ec 835 monitor_printf(mon, "%-10s %s\n", item->name, item->help);
f193c797 836 }
66855495
WX		 837 return;
838 }
839
840 if (parse_cmdline(name, &nb_args, args) < 0) {
841 return;
f193c797 842 }
9dc39cba 843 }
66855495
WX		 844
845 /* 2. dump the contents according to parsed args */
846 help_cmd_dump(mon, mon->cmd_table, args, nb_args, 0);
847
848 free_cmdline_args(args, nb_args);
9dc39cba
FB		 849}
850
d54908a5 851static void do_help_cmd(Monitor *mon, const QDict *qdict)
38183186 852{
d54908a5 853 help_cmd(mon, qdict_get_try_str(qdict, "name"));
38183186
LC		 854}
855
3e5a50d6 856static void hmp_trace_event(Monitor *mon, const QDict *qdict)
22890ab5
PS		 857{
858 const char *tp_name = qdict_get_str(qdict, "name");
859 bool new_state = qdict_get_bool(qdict, "option");
77e2b172
LV		 860 bool has_vcpu = qdict_haskey(qdict, "vcpu");
861 int vcpu = qdict_get_try_int(qdict, "vcpu", 0);
14101d02 862 Error *local_err = NULL;
f871d689 863
77e2b172
LV		 864 if (vcpu < 0) {
865 monitor_printf(mon, "argument vcpu must be positive");
866 return;
867 }
868
869 qmp_trace_event_set_state(tp_name, new_state, true, true, has_vcpu, vcpu, &local_err);
14101d02 870 if (local_err) {
091e38b7 871 error_report_err(local_err);
f871d689 872 }
22890ab5 873}
c5ceb523 874
c45a8168 875#ifdef CONFIG_TRACE_SIMPLE
3e5a50d6 876static void hmp_trace_file(Monitor *mon, const QDict *qdict)
c5ceb523
SH		 877{
878 const char *op = qdict_get_try_str(qdict, "op");
879 const char *arg = qdict_get_try_str(qdict, "arg");
880
881 if (!op) {
882 st_print_trace_file_status((FILE *)mon, &monitor_fprintf);
883 } else if (!strcmp(op, "on")) {
884 st_set_trace_file_enabled(true);
885 } else if (!strcmp(op, "off")) {
886 st_set_trace_file_enabled(false);
887 } else if (!strcmp(op, "flush")) {
888 st_flush_trace_buffer();
889 } else if (!strcmp(op, "set")) {
890 if (arg) {
891 st_set_trace_file(arg);
892 }
893 } else {
894 monitor_printf(mon, "unexpected argument \"%s\"\n", op);
895 help_cmd(mon, "trace-file");
896 }
897}
22890ab5
PS		 898#endif
899
3e5a50d6 900static void hmp_info_help(Monitor *mon, const QDict *qdict)
9dc39cba 901{
13c7425e 902 help_cmd(mon, "info");
9dc39cba
FB		 903}
904
9e812b6a 905static void query_commands_cb(QmpCommand *cmd, void *opaque)
e3bba9d0 906{
9e812b6a 907 CommandInfoList *info, **list = opaque;
e3bba9d0 908
9e812b6a
MAL		 909 if (!cmd->enabled) {
910 return;
e3bba9d0
LC		 911 }
912
9e812b6a
MAL		 913 info = g_malloc0(sizeof(*info));
914 info->value = g_malloc0(sizeof(*info->value));
915 info->value->name = g_strdup(cmd->name);
916 info->next = *list;
917 *list = info;
918}
919
920CommandInfoList *qmp_query_commands(Error **errp)
921{
922 CommandInfoList *list = NULL;
923
924 qmp_for_each_command(query_commands_cb, &list);
925
926 return list;
a36e69dd
TS		 927}
928
4860853d
DB		 929EventInfoList *qmp_query_events(Error **errp)
930{
931 EventInfoList *info, *ev_list = NULL;
75175173 932 QAPIEvent e;
4860853d 933
7fb1cf16 934 for (e = 0 ; e < QAPI_EVENT__MAX ; e++) {
75175173 935 const char *event_name = QAPIEvent_lookup[e];
4860853d
DB		 936 assert(event_name != NULL);
937 info = g_malloc0(sizeof(*info));
938 info->value = g_malloc0(sizeof(*info->value));
939 info->value->name = g_strdup(event_name);
940
941 info->next = ev_list;
942 ev_list = info;
943 }
944
945 return ev_list;
946}
947
39a18158
MA		 948/*
949 * Minor hack: generated marshalling suppressed for this command
950 * ('gen': false in the schema) so we can parse the JSON string
951 * directly into QObject instead of first parsing it with
952 * visit_type_SchemaInfoList() into a SchemaInfoList, then marshal it
953 * to QObject with generated output marshallers, every time. Instead,
954 * we do it in test-qmp-input-visitor.c, just to make sure
955 * qapi-introspect.py's output actually conforms to the schema.
956 */
957static void qmp_query_qmp_schema(QDict *qdict, QObject **ret_data,
958 Error **errp)
959{
960 *ret_data = qobject_from_json(qmp_schema_json);
961}
962
5032a16d 963/*
5032a16d
MAL		 964 * We used to define commands in qmp-commands.hx in addition to the
965 * QAPI schema. This permitted defining some of them only in certain
966 * configurations. query-commands has always reflected that (good,
967 * because it lets QMP clients figure out what's actually available),
968 * while query-qmp-schema never did (not so good). This function is a
969 * hack to keep the configuration-specific commands defined exactly as
970 * before, even though qmp-commands.hx is gone.
971 *
972 * FIXME Educate the QAPI schema on configuration-specific commands,
973 * and drop this hack.
974 */
975static void qmp_unregister_commands_hack(void)
976{
977#ifndef CONFIG_SPICE
978 qmp_unregister_command("query-spice");
979#endif
980#ifndef TARGET_I386
981 qmp_unregister_command("rtc-reset-reinjection");
982#endif
983#ifndef TARGET_S390X
984 qmp_unregister_command("dump-skeys");
985#endif
986#ifndef TARGET_ARM
987 qmp_unregister_command("query-gic-capabilities");
988#endif
989}
990
edcfaefe
MAL		 991static void qmp_init_marshal(void)
992{
993 qmp_register_command("query-qmp-schema", qmp_query_qmp_schema,
994 QCO_NO_OPTIONS);
995 qmp_register_command("device_add", qmp_device_add,
996 QCO_NO_OPTIONS);
997 qmp_register_command("netdev_add", qmp_netdev_add,
998 QCO_NO_OPTIONS);
5032a16d
MAL		 999
1000 /* call it after the rest of qapi_init() */
1001 register_module_init(qmp_unregister_commands_hack, MODULE_INIT_QAPI);
edcfaefe
MAL		 1002}
1003
1004qapi_init(qmp_init_marshal);
1005
b025c8b4
LC		 1006/* set the current CPU defined by the user */
1007int monitor_set_cpu(int cpu_index)
6a00d601 1008{
55e5c285 1009 CPUState *cpu;
6a00d601 1010
1c8bb3cc
AF		 1011 cpu = qemu_get_cpu(cpu_index);
1012 if (cpu == NULL) {
1013 return -1;
6a00d601 1014 }
cb446eca 1015 cur_mon->mon_cpu = cpu;
1c8bb3cc 1016 return 0;
6a00d601
FB		 1017}
1018
caf15319 1019CPUState *mon_get_cpu(void)
6a00d601 1020{
731b0364 1021 if (!cur_mon->mon_cpu) {
27a83f8e 1022 monitor_set_cpu(first_cpu->cpu_index);
6a00d601 1023 }
4c0960c0 1024 cpu_synchronize_state(cur_mon->mon_cpu);
5bcda5f7
PC		 1025 return cur_mon->mon_cpu;
1026}
1027
bf957284 1028CPUArchState *mon_get_cpu_env(void)
5bcda5f7
PC		 1029{
1030 return mon_get_cpu()->env_ptr;
6a00d601
FB		 1031}
1032
99b7796f
LC		 1033int monitor_get_cpu_index(void)
1034{
5bcda5f7 1035 return mon_get_cpu()->cpu_index;
99b7796f
LC		 1036}
1037
1ce6be24 1038static void hmp_info_registers(Monitor *mon, const QDict *qdict)
9307c4c1 1039{
5bcda5f7 1040 cpu_dump_state(mon_get_cpu(), (FILE *)mon, monitor_fprintf, CPU_DUMP_FPU);
9307c4c1
FB		 1041}
1042
1ce6be24 1043static void hmp_info_jit(Monitor *mon, const QDict *qdict)
e3db7226 1044{
376253ec 1045 dump_exec_info((FILE *)mon, monitor_fprintf);
27498bef 1046 dump_drift_info((FILE *)mon, monitor_fprintf);
e3db7226
FB		 1047}
1048
1ce6be24 1049static void hmp_info_opcount(Monitor *mon, const QDict *qdict)
246ae24d
MF		 1050{
1051 dump_opcount_info((FILE *)mon, monitor_fprintf);
1052}
1053
1ce6be24 1054static void hmp_info_history(Monitor *mon, const QDict *qdict)
aa455485
FB		 1055{
1056 int i;
7e2515e8 1057 const char *str;
3b46e624 1058
cde76ee1
AL		 1059 if (!mon->rs)
1060 return;
7e2515e8
FB		 1061 i = 0;
1062 for(;;) {
731b0364 1063 str = readline_get_history(mon->rs, i);
7e2515e8
FB		 1064 if (!str)
1065 break;
376253ec 1066 monitor_printf(mon, "%d: '%s'\n", i, str);
8e3a9fd2 1067 i++;
aa455485
FB		 1068 }
1069}
1070
1ce6be24 1071static void hmp_info_cpustats(Monitor *mon, const QDict *qdict)
76a66253 1072{
5bcda5f7 1073 cpu_dump_statistics(mon_get_cpu(), (FILE *)mon, &monitor_fprintf, 0);
76a66253 1074}
76a66253 1075
1ce6be24 1076static void hmp_info_trace_events(Monitor *mon, const QDict *qdict)
22890ab5 1077{
bd71211d 1078 const char *name = qdict_get_try_str(qdict, "name");
77e2b172
LV		 1079 bool has_vcpu = qdict_haskey(qdict, "vcpu");
1080 int vcpu = qdict_get_try_int(qdict, "vcpu", 0);
bd71211d 1081 TraceEventInfoList *events;
14101d02 1082 TraceEventInfoList *elem;
bd71211d
LV		 1083 Error *local_err = NULL;
1084
1085 if (name == NULL) {
1086 name = "*";
1087 }
77e2b172
LV		 1088 if (vcpu < 0) {
1089 monitor_printf(mon, "argument vcpu must be positive");
1090 return;
1091 }
bd71211d 1092
77e2b172 1093 events = qmp_trace_event_get_state(name, has_vcpu, vcpu, &local_err);
bd71211d
LV		 1094 if (local_err) {
1095 error_report_err(local_err);
1096 return;
1097 }
14101d02
LV		 1098
1099 for (elem = events; elem != NULL; elem = elem->next) {
1100 monitor_printf(mon, "%s : state %u\n",
1101 elem->value->name,
1102 elem->value->state == TRACE_EVENT_STATE_ENABLED ? 1 : 0);
1103 }
1104 qapi_free_TraceEventInfoList(events);
22890ab5 1105}
22890ab5 1106
b8a185bc
MA		 1107void qmp_client_migrate_info(const char *protocol, const char *hostname,
1108 bool has_port, int64_t port,
1109 bool has_tls_port, int64_t tls_port,
1110 bool has_cert_subject, const char *cert_subject,
1111 Error **errp)
e866e239 1112{
e866e239 1113 if (strcmp(protocol, "spice") == 0) {
b8a185bc
MA		 1114 if (!qemu_using_spice(errp)) {
1115 return;
e866e239
GH		 1116 }
1117
b8a185bc 1118 if (!has_port && !has_tls_port) {
c6bd8c70 1119 error_setg(errp, QERR_MISSING_PARAMETER, "port/tls-port");
b8a185bc 1120 return;
6ec5dae5
YH		 1121 }
1122
b8a185bc
MA		 1123 if (qemu_spice_migrate_info(hostname,
1124 has_port ? port : -1,
1125 has_tls_port ? tls_port : -1,
1126 cert_subject)) {
c6bd8c70 1127 error_setg(errp, QERR_UNDEFINED_ERROR);
b8a185bc 1128 return;
e866e239 1129 }
b8a185bc 1130 return;
e866e239
GH		 1131 }
1132
c6bd8c70 1133 error_setg(errp, QERR_INVALID_PARAMETER_VALUE, "protocol", "spice");
e866e239
GH		 1134}
1135
3e5a50d6 1136static void hmp_logfile(Monitor *mon, const QDict *qdict)
e735b91c 1137{
daa76aa4
MA		 1138 Error *err = NULL;
1139
1140 qemu_set_log_filename(qdict_get_str(qdict, "filename"), &err);
1141 if (err) {
1142 error_report_err(err);
1143 }
e735b91c
PB		 1144}
1145
3e5a50d6 1146static void hmp_log(Monitor *mon, const QDict *qdict)
f193c797
FB		 1147{
1148 int mask;
d54908a5 1149 const char *items = qdict_get_str(qdict, "items");
3b46e624 1150
9307c4c1 1151 if (!strcmp(items, "none")) {
f193c797
FB		 1152 mask = 0;
1153 } else {
4fde1eba 1154 mask = qemu_str_to_log_mask(items);
f193c797 1155 if (!mask) {
376253ec 1156 help_cmd(mon, "log");
f193c797
FB		 1157 return;
1158 }
1159 }
24537a01 1160 qemu_set_log(mask);
f193c797
FB		 1161}
1162
3e5a50d6 1163static void hmp_singlestep(Monitor *mon, const QDict *qdict)
1b530a6d 1164{
d54908a5 1165 const char *option = qdict_get_try_str(qdict, "option");
1b530a6d
AJ		 1166 if (!option || !strcmp(option, "on")) {
1167 singlestep = 1;
1168 } else if (!strcmp(option, "off")) {
1169 singlestep = 0;
1170 } else {
1171 monitor_printf(mon, "unexpected option %s\n", option);
1172 }
1173}
1174
3e5a50d6 1175static void hmp_gdbserver(Monitor *mon, const QDict *qdict)
59030a8c 1176{
d54908a5 1177 const char *device = qdict_get_try_str(qdict, "device");
59030a8c
AL		 1178 if (!device)
1179 device = "tcp::" DEFAULT_GDBSTUB_PORT;
1180 if (gdbserver_start(device) < 0) {
1181 monitor_printf(mon, "Could not open gdbserver on device '%s'\n",
1182 device);
1183 } else if (strcmp(device, "none") == 0) {
36556b20 1184 monitor_printf(mon, "Disabled gdbserver\n");
8a7ddc38 1185 } else {
59030a8c
AL		 1186 monitor_printf(mon, "Waiting for gdb connection on device '%s'\n",
1187 device);
8a7ddc38
FB		 1188 }
1189}
1190
3e5a50d6 1191static void hmp_watchdog_action(Monitor *mon, const QDict *qdict)
9dd986cc 1192{
d54908a5 1193 const char *action = qdict_get_str(qdict, "action");
9dd986cc
RJ		 1194 if (select_watchdog_action(action) == -1) {
1195 monitor_printf(mon, "Unknown watchdog action '%s'\n", action);
1196 }
1197}
1198
376253ec 1199static void monitor_printc(Monitor *mon, int c)
9307c4c1 1200{
376253ec 1201 monitor_printf(mon, "'");
9307c4c1
FB		 1202 switch(c) {
1203 case '\'':
376253ec 1204 monitor_printf(mon, "\\'");
9307c4c1
FB		 1205 break;
1206 case '\\':
376253ec 1207 monitor_printf(mon, "\\\\");
9307c4c1
FB		 1208 break;
1209 case '\n':
376253ec 1210 monitor_printf(mon, "\\n");
9307c4c1
FB		 1211 break;
1212 case '\r':
376253ec 1213 monitor_printf(mon, "\\r");
9307c4c1
FB		 1214 break;
1215 default:
1216 if (c >= 32 && c <= 126) {
376253ec 1217 monitor_printf(mon, "%c", c);
9307c4c1 1218 } else {
376253ec 1219 monitor_printf(mon, "\\x%02x", c);
9307c4c1
FB		 1220 }
1221 break;
1222 }
376253ec 1223 monitor_printf(mon, "'");
9307c4c1
FB		 1224}
1225
376253ec 1226static void memory_dump(Monitor *mon, int count, int format, int wsize,
a8170e5e 1227 hwaddr addr, int is_physical)
9307c4c1 1228{
23842aab 1229 int l, line_size, i, max_digits, len;
9307c4c1
FB		 1230 uint8_t buf[16];
1231 uint64_t v;
1232
1233 if (format == 'i') {
5bcda5f7 1234 int flags = 0;
9307c4c1 1235#ifdef TARGET_I386
5bcda5f7 1236 CPUArchState *env = mon_get_cpu_env();
4c27ba27 1237 if (wsize == 2) {
9307c4c1 1238 flags = 1;
4c27ba27
FB		 1239 } else if (wsize == 4) {
1240 flags = 0;
1241 } else {
6a15fd12 1242 /* as default we use the current CS size */
4c27ba27 1243 flags = 0;
6a15fd12
FB		 1244 if (env) {
1245#ifdef TARGET_X86_64
5fafdf24 1246 if ((env->efer & MSR_EFER_LMA) &&
6a15fd12
FB		 1247 (env->segs[R_CS].flags & DESC_L_MASK))
1248 flags = 2;
1249 else
1250#endif
1251 if (!(env->segs[R_CS].flags & DESC_B_MASK))
1252 flags = 1;
1253 }
4c27ba27 1254 }
1c38f843
TM		 1255#endif
1256#ifdef TARGET_PPC
5bcda5f7 1257 CPUArchState *env = mon_get_cpu_env();
1c38f843
TM		 1258 flags = msr_le << 16;
1259 flags |= env->bfd_mach;
4c27ba27 1260#endif
d49190c4 1261 monitor_disas(mon, mon_get_cpu(), addr, count, is_physical, flags);
9307c4c1
FB		 1262 return;
1263 }
1264
1265 len = wsize * count;
1266 if (wsize == 1)
1267 line_size = 8;
1268 else
1269 line_size = 16;
9307c4c1
FB		 1270 max_digits = 0;
1271
1272 switch(format) {
1273 case 'o':
1274 max_digits = (wsize * 8 + 2) / 3;
1275 break;
1276 default:
1277 case 'x':
1278 max_digits = (wsize * 8) / 4;
1279 break;
1280 case 'u':
1281 case 'd':
1282 max_digits = (wsize * 8 * 10 + 32) / 33;
1283 break;
1284 case 'c':
1285 wsize = 1;
1286 break;
1287 }
1288
1289 while (len > 0) {
7743e588 1290 if (is_physical)
376253ec 1291 monitor_printf(mon, TARGET_FMT_plx ":", addr);
7743e588 1292 else
376253ec 1293 monitor_printf(mon, TARGET_FMT_lx ":", (target_ulong)addr);
9307c4c1
FB		 1294 l = len;
1295 if (l > line_size)
1296 l = line_size;
1297 if (is_physical) {
54f7b4a3 1298 cpu_physical_memory_read(addr, buf, l);
9307c4c1 1299 } else {
5bcda5f7 1300 if (cpu_memory_rw_debug(mon_get_cpu(), addr, buf, l, 0) < 0) {
376253ec 1301 monitor_printf(mon, " Cannot access memory\n");
c8f79b67
AL		 1302 break;
1303 }
9307c4c1 1304 }
5fafdf24 1305 i = 0;
9307c4c1
FB		 1306 while (i < l) {
1307 switch(wsize) {
1308 default:
1309 case 1:
24e60305 1310 v = ldub_p(buf + i);
9307c4c1
FB		 1311 break;
1312 case 2:
24e60305 1313 v = lduw_p(buf + i);
9307c4c1
FB		 1314 break;
1315 case 4:
24e60305 1316 v = (uint32_t)ldl_p(buf + i);
9307c4c1
FB		 1317 break;
1318 case 8:
24e60305 1319 v = ldq_p(buf + i);
9307c4c1
FB		 1320 break;
1321 }
376253ec 1322 monitor_printf(mon, " ");
9307c4c1
FB		 1323 switch(format) {
1324 case 'o':
376253ec 1325 monitor_printf(mon, "%#*" PRIo64, max_digits, v);
9307c4c1
FB		 1326 break;
1327 case 'x':
376253ec 1328 monitor_printf(mon, "0x%0*" PRIx64, max_digits, v);
9307c4c1
FB		 1329 break;
1330 case 'u':
376253ec 1331 monitor_printf(mon, "%*" PRIu64, max_digits, v);
9307c4c1
FB		 1332 break;
1333 case 'd':
376253ec 1334 monitor_printf(mon, "%*" PRId64, max_digits, v);
9307c4c1
FB		 1335 break;
1336 case 'c':
376253ec 1337 monitor_printc(mon, v);
9307c4c1
FB		 1338 break;
1339 }
1340 i += wsize;
1341 }
376253ec 1342 monitor_printf(mon, "\n");
9307c4c1
FB		 1343 addr += l;
1344 len -= l;
1345 }
1346}
1347
3e5a50d6 1348static void hmp_memory_dump(Monitor *mon, const QDict *qdict)
9307c4c1 1349{
1bd1442e
LC		 1350 int count = qdict_get_int(qdict, "count");
1351 int format = qdict_get_int(qdict, "format");
1352 int size = qdict_get_int(qdict, "size");
1353 target_long addr = qdict_get_int(qdict, "addr");
1354
376253ec 1355 memory_dump(mon, count, format, size, addr, 0);
9307c4c1
FB		 1356}
1357
3e5a50d6 1358static void hmp_physical_memory_dump(Monitor *mon, const QDict *qdict)
9307c4c1 1359{
1bd1442e
LC		 1360 int count = qdict_get_int(qdict, "count");
1361 int format = qdict_get_int(qdict, "format");
1362 int size = qdict_get_int(qdict, "size");
a8170e5e 1363 hwaddr addr = qdict_get_int(qdict, "addr");
1bd1442e 1364
376253ec 1365 memory_dump(mon, count, format, size, addr, 1);
9307c4c1
FB		 1366}
1367
1bd1442e 1368static void do_print(Monitor *mon, const QDict *qdict)
9307c4c1 1369{
1bd1442e 1370 int format = qdict_get_int(qdict, "format");
a8170e5e 1371 hwaddr val = qdict_get_int(qdict, "val");
1bd1442e 1372
9307c4c1
FB		 1373 switch(format) {
1374 case 'o':
a8170e5e 1375 monitor_printf(mon, "%#" HWADDR_PRIo, val);
9307c4c1
FB		 1376 break;
1377 case 'x':
a8170e5e 1378 monitor_printf(mon, "%#" HWADDR_PRIx, val);
9307c4c1
FB		 1379 break;
1380 case 'u':
a8170e5e 1381 monitor_printf(mon, "%" HWADDR_PRIu, val);
9307c4c1
FB		 1382 break;
1383 default:
1384 case 'd':
a8170e5e 1385 monitor_printf(mon, "%" HWADDR_PRId, val);
9307c4c1
FB		 1386 break;
1387 case 'c':
376253ec 1388 monitor_printc(mon, val);
9307c4c1
FB		 1389 break;
1390 }
376253ec 1391 monitor_printf(mon, "\n");
9307c4c1
FB		 1392}
1393
3e5a50d6 1394static void hmp_sum(Monitor *mon, const QDict *qdict)
e4cf1adc
FB		 1395{
1396 uint32_t addr;
e4cf1adc 1397 uint16_t sum;
f18c16de
LC		 1398 uint32_t start = qdict_get_int(qdict, "start");
1399 uint32_t size = qdict_get_int(qdict, "size");
e4cf1adc
FB		 1400
1401 sum = 0;
1402 for(addr = start; addr < (start + size); addr++) {
42874d3a
PM		 1403 uint8_t val = address_space_ldub(&address_space_memory, addr,
1404 MEMTXATTRS_UNSPECIFIED, NULL);
e4cf1adc
FB		 1405 /* BSD sum algorithm ('sum' Unix command) */
1406 sum = (sum >> 1) | (sum << 15);
54f7b4a3 1407 sum += val;
e4cf1adc 1408 }
376253ec 1409 monitor_printf(mon, "%05d\n", sum);
e4cf1adc
FB		 1410}
1411
13224a87
FB		 1412static int mouse_button_state;
1413
3e5a50d6 1414static void hmp_mouse_move(Monitor *mon, const QDict *qdict)
13224a87 1415{
c751a74a 1416 int dx, dy, dz, button;
1d4daa91
LC		 1417 const char *dx_str = qdict_get_str(qdict, "dx_str");
1418 const char *dy_str = qdict_get_str(qdict, "dy_str");
1419 const char *dz_str = qdict_get_try_str(qdict, "dz_str");
c751a74a 1420
13224a87
FB		 1421 dx = strtol(dx_str, NULL, 0);
1422 dy = strtol(dy_str, NULL, 0);
c751a74a
GH		 1423 qemu_input_queue_rel(NULL, INPUT_AXIS_X, dx);
1424 qemu_input_queue_rel(NULL, INPUT_AXIS_Y, dy);
1425
1426 if (dz_str) {
13224a87 1427 dz = strtol(dz_str, NULL, 0);
c751a74a 1428 if (dz != 0) {
f22d0af0 1429 button = (dz > 0) ? INPUT_BUTTON_WHEEL_UP : INPUT_BUTTON_WHEEL_DOWN;
c751a74a
GH		 1430 qemu_input_queue_btn(NULL, button, true);
1431 qemu_input_event_sync();
1432 qemu_input_queue_btn(NULL, button, false);
1433 }
1434 }
1435 qemu_input_event_sync();
13224a87
FB		 1436}
1437
3e5a50d6 1438static void hmp_mouse_button(Monitor *mon, const QDict *qdict)
13224a87 1439{
7fb1cf16 1440 static uint32_t bmap[INPUT_BUTTON__MAX] = {
c751a74a
GH		 1441 [INPUT_BUTTON_LEFT] = MOUSE_EVENT_LBUTTON,
1442 [INPUT_BUTTON_MIDDLE] = MOUSE_EVENT_MBUTTON,
1443 [INPUT_BUTTON_RIGHT] = MOUSE_EVENT_RBUTTON,
1444 };
d54908a5 1445 int button_state = qdict_get_int(qdict, "button_state");
c751a74a
GH		 1446
1447 if (mouse_button_state == button_state) {
1448 return;
1449 }
1450 qemu_input_update_buttons(NULL, bmap, mouse_button_state, button_state);
1451 qemu_input_event_sync();
13224a87 1452 mouse_button_state = button_state;
13224a87
FB		 1453}
1454
3e5a50d6 1455static void hmp_ioport_read(Monitor *mon, const QDict *qdict)
3440557b 1456{
aa93e39c
LC		 1457 int size = qdict_get_int(qdict, "size");
1458 int addr = qdict_get_int(qdict, "addr");
1459 int has_index = qdict_haskey(qdict, "index");
3440557b
FB		 1460 uint32_t val;
1461 int suffix;
1462
1463 if (has_index) {
aa93e39c 1464 int index = qdict_get_int(qdict, "index");
afcea8cb 1465 cpu_outb(addr & IOPORTS_MASK, index & 0xff);
3440557b
FB		 1466 addr++;
1467 }
1468 addr &= 0xffff;
1469
1470 switch(size) {
1471 default:
1472 case 1:
afcea8cb 1473 val = cpu_inb(addr);
3440557b
FB		 1474 suffix = 'b';
1475 break;
1476 case 2:
afcea8cb 1477 val = cpu_inw(addr);
3440557b
FB		 1478 suffix = 'w';
1479 break;
1480 case 4:
afcea8cb 1481 val = cpu_inl(addr);
3440557b
FB		 1482 suffix = 'l';
1483 break;
1484 }
376253ec
AL		 1485 monitor_printf(mon, "port%c[0x%04x] = %#0*x\n",
1486 suffix, addr, size * 2, val);
3440557b 1487}
a3a91a35 1488
3e5a50d6 1489static void hmp_ioport_write(Monitor *mon, const QDict *qdict)
f114784f 1490{
1bd1442e
LC		 1491 int size = qdict_get_int(qdict, "size");
1492 int addr = qdict_get_int(qdict, "addr");
1493 int val = qdict_get_int(qdict, "val");
1494
f114784f
JK		 1495 addr &= IOPORTS_MASK;
1496
1497 switch (size) {
1498 default:
1499 case 1:
afcea8cb 1500 cpu_outb(addr, val);
f114784f
JK		 1501 break;
1502 case 2:
afcea8cb 1503 cpu_outw(addr, val);
f114784f
JK		 1504 break;
1505 case 4:
afcea8cb 1506 cpu_outl(addr, val);
f114784f
JK		 1507 break;
1508 }
1509}
1510
3e5a50d6 1511static void hmp_boot_set(Monitor *mon, const QDict *qdict)
0ecdffbb 1512{
f1839938 1513 Error *local_err = NULL;
d54908a5 1514 const char *bootdevice = qdict_get_str(qdict, "bootdevice");
0ecdffbb 1515
f1839938
GA		 1516 qemu_boot_set(bootdevice, &local_err);
1517 if (local_err) {
193227f9 1518 error_report_err(local_err);
0ecdffbb 1519 } else {
f1839938 1520 monitor_printf(mon, "boot device list now set to %s\n", bootdevice);
0ecdffbb
AJ		 1521 }
1522}
1523
1ce6be24 1524static void hmp_info_mtree(Monitor *mon, const QDict *qdict)
314e2987
BS		 1525{
1526 mtree_info((fprintf_function)monitor_printf, mon);
1527}
1528
1ce6be24 1529static void hmp_info_numa(Monitor *mon, const QDict *qdict)
030ea37b 1530{
b28b6230 1531 int i;
1b1ed8dc 1532 CPUState *cpu;
5b009e40 1533 uint64_t *node_mem;
030ea37b 1534
5b009e40
HZ		 1535 node_mem = g_new0(uint64_t, nb_numa_nodes);
1536 query_numa_node_mem(node_mem);
030ea37b
AL		 1537 monitor_printf(mon, "%d nodes\n", nb_numa_nodes);
1538 for (i = 0; i < nb_numa_nodes; i++) {
1539 monitor_printf(mon, "node %d cpus:", i);
bdc44640 1540 CPU_FOREACH(cpu) {
1b1ed8dc 1541 if (cpu->numa_node == i) {
55e5c285 1542 monitor_printf(mon, " %d", cpu->cpu_index);
030ea37b
AL		 1543 }
1544 }
1545 monitor_printf(mon, "\n");
1546 monitor_printf(mon, "node %d size: %" PRId64 " MB\n", i,
5b009e40 1547 node_mem[i] >> 20);
030ea37b 1548 }
5b009e40 1549 g_free(node_mem);
030ea37b
AL		 1550}
1551
5f1ce948
FB		 1552#ifdef CONFIG_PROFILER
1553
89d5cbdd 1554int64_t tcg_time;
e9a6625e
AJ		 1555int64_t dev_time;
1556
1ce6be24 1557static void hmp_info_profile(Monitor *mon, const QDict *qdict)
5f1ce948 1558{
376253ec 1559 monitor_printf(mon, "async time %" PRId64 " (%0.3f)\n",
73bcb24d 1560 dev_time, dev_time / (double)NANOSECONDS_PER_SECOND);
376253ec 1561 monitor_printf(mon, "qemu time %" PRId64 " (%0.3f)\n",
73bcb24d 1562 tcg_time, tcg_time / (double)NANOSECONDS_PER_SECOND);
89d5cbdd 1563 tcg_time = 0;
5f1ce948 1564 dev_time = 0;
5f1ce948
FB		 1565}
1566#else
1ce6be24 1567static void hmp_info_profile(Monitor *mon, const QDict *qdict)
5f1ce948 1568{
376253ec 1569 monitor_printf(mon, "Internal profiler not compiled\n");
5f1ce948
FB		 1570}
1571#endif
1572
ec36b695 1573/* Capture support */
72cf2d4f 1574static QLIST_HEAD (capture_list_head, CaptureState) capture_head;
ec36b695 1575
1ce6be24 1576static void hmp_info_capture(Monitor *mon, const QDict *qdict)
ec36b695
FB		 1577{
1578 int i;
1579 CaptureState *s;
1580
1581 for (s = capture_head.lh_first, i = 0; s; s = s->entries.le_next, ++i) {
376253ec 1582 monitor_printf(mon, "[%d]: ", i);
ec36b695
FB		 1583 s->ops.info (s->opaque);
1584 }
1585}
1586
3e5a50d6 1587static void hmp_stopcapture(Monitor *mon, const QDict *qdict)
ec36b695
FB		 1588{
1589 int i;
d54908a5 1590 int n = qdict_get_int(qdict, "n");
ec36b695
FB		 1591 CaptureState *s;
1592
1593 for (s = capture_head.lh_first, i = 0; s; s = s->entries.le_next, ++i) {
1594 if (i == n) {
1595 s->ops.destroy (s->opaque);
72cf2d4f 1596 QLIST_REMOVE (s, entries);
7267c094 1597 g_free (s);
ec36b695
FB		 1598 return;
1599 }
1600 }
1601}
1602
3e5a50d6 1603static void hmp_wavcapture(Monitor *mon, const QDict *qdict)
c1925484
LC		 1604{
1605 const char *path = qdict_get_str(qdict, "path");
1606 int has_freq = qdict_haskey(qdict, "freq");
1607 int freq = qdict_get_try_int(qdict, "freq", -1);
1608 int has_bits = qdict_haskey(qdict, "bits");
1609 int bits = qdict_get_try_int(qdict, "bits", -1);
1610 int has_channels = qdict_haskey(qdict, "nchannels");
1611 int nchannels = qdict_get_try_int(qdict, "nchannels", -1);
ec36b695
FB		 1612 CaptureState *s;
1613
7267c094 1614 s = g_malloc0 (sizeof (*s));
ec36b695
FB		 1615
1616 freq = has_freq ? freq : 44100;
1617 bits = has_bits ? bits : 16;
1618 nchannels = has_channels ? nchannels : 2;
1619
1620 if (wav_start_capture (s, path, freq, bits, nchannels)) {
d00b2618 1621 monitor_printf(mon, "Failed to add wave capture\n");
7267c094 1622 g_free (s);
d00b2618 1623 return;
ec36b695 1624 }
72cf2d4f 1625 QLIST_INSERT_HEAD (&capture_head, s, entries);
ec36b695 1626}
ec36b695 1627
15dfcd45 1628static qemu_acl *find_acl(Monitor *mon, const char *name)
76655d6d 1629{
15dfcd45 1630 qemu_acl *acl = qemu_acl_find(name);
76655d6d 1631
76655d6d 1632 if (!acl) {
15dfcd45 1633 monitor_printf(mon, "acl: unknown list '%s'\n", name);
76655d6d 1634 }
15dfcd45
JK		 1635 return acl;
1636}
1637
3e5a50d6 1638static void hmp_acl_show(Monitor *mon, const QDict *qdict)
15dfcd45 1639{
d54908a5 1640 const char *aclname = qdict_get_str(qdict, "aclname");
15dfcd45
JK		 1641 qemu_acl *acl = find_acl(mon, aclname);
1642 qemu_acl_entry *entry;
1643 int i = 0;
76655d6d 1644
15dfcd45 1645 if (acl) {
28a76be8 1646 monitor_printf(mon, "policy: %s\n",
76655d6d 1647 acl->defaultDeny ? "deny" : "allow");
72cf2d4f 1648 QTAILQ_FOREACH(entry, &acl->entries, next) {
28a76be8
AL		 1649 i++;
1650 monitor_printf(mon, "%d: %s %s\n", i,
15dfcd45 1651 entry->deny ? "deny" : "allow", entry->match);
28a76be8 1652 }
15dfcd45
JK		 1653 }
1654}
1655
3e5a50d6 1656static void hmp_acl_reset(Monitor *mon, const QDict *qdict)
15dfcd45 1657{
d54908a5 1658 const char *aclname = qdict_get_str(qdict, "aclname");
15dfcd45
JK		 1659 qemu_acl *acl = find_acl(mon, aclname);
1660
1661 if (acl) {
28a76be8
AL		 1662 qemu_acl_reset(acl);
1663 monitor_printf(mon, "acl: removed all rules\n");
15dfcd45
JK		 1664 }
1665}
1666
3e5a50d6 1667static void hmp_acl_policy(Monitor *mon, const QDict *qdict)
15dfcd45 1668{
f18c16de
LC		 1669 const char *aclname = qdict_get_str(qdict, "aclname");
1670 const char *policy = qdict_get_str(qdict, "policy");
15dfcd45 1671 qemu_acl *acl = find_acl(mon, aclname);
28a76be8 1672
15dfcd45
JK		 1673 if (acl) {
1674 if (strcmp(policy, "allow") == 0) {
28a76be8
AL		 1675 acl->defaultDeny = 0;
1676 monitor_printf(mon, "acl: policy set to 'allow'\n");
15dfcd45 1677 } else if (strcmp(policy, "deny") == 0) {
28a76be8
AL		 1678 acl->defaultDeny = 1;
1679 monitor_printf(mon, "acl: policy set to 'deny'\n");
1680 } else {
15dfcd45
JK		 1681 monitor_printf(mon, "acl: unknown policy '%s', "
1682 "expected 'deny' or 'allow'\n", policy);
28a76be8 1683 }
15dfcd45
JK		 1684 }
1685}
28a76be8 1686
3e5a50d6 1687static void hmp_acl_add(Monitor *mon, const QDict *qdict)
15dfcd45 1688{
1bd1442e
LC		 1689 const char *aclname = qdict_get_str(qdict, "aclname");
1690 const char *match = qdict_get_str(qdict, "match");
1691 const char *policy = qdict_get_str(qdict, "policy");
1692 int has_index = qdict_haskey(qdict, "index");
1693 int index = qdict_get_try_int(qdict, "index", -1);
15dfcd45
JK		 1694 qemu_acl *acl = find_acl(mon, aclname);
1695 int deny, ret;
1696
1697 if (acl) {
1698 if (strcmp(policy, "allow") == 0) {
1699 deny = 0;
1700 } else if (strcmp(policy, "deny") == 0) {
1701 deny = 1;
1702 } else {
1703 monitor_printf(mon, "acl: unknown policy '%s', "
1704 "expected 'deny' or 'allow'\n", policy);
28a76be8
AL		 1705 return;
1706 }
28a76be8
AL		 1707 if (has_index)
1708 ret = qemu_acl_insert(acl, deny, match, index);
1709 else
1710 ret = qemu_acl_append(acl, deny, match);
1711 if (ret < 0)
1712 monitor_printf(mon, "acl: unable to add acl entry\n");
1713 else
1714 monitor_printf(mon, "acl: added rule at position %d\n", ret);
15dfcd45
JK		 1715 }
1716}
28a76be8 1717
3e5a50d6 1718static void hmp_acl_remove(Monitor *mon, const QDict *qdict)
15dfcd45 1719{
f18c16de
LC		 1720 const char *aclname = qdict_get_str(qdict, "aclname");
1721 const char *match = qdict_get_str(qdict, "match");
15dfcd45
JK		 1722 qemu_acl *acl = find_acl(mon, aclname);
1723 int ret;
28a76be8 1724
15dfcd45 1725 if (acl) {
28a76be8
AL		 1726 ret = qemu_acl_remove(acl, match);
1727 if (ret < 0)
1728 monitor_printf(mon, "acl: no matching acl entry\n");
1729 else
1730 monitor_printf(mon, "acl: removed rule at position %d\n", ret);
76655d6d
AL		 1731 }
1732}
1733
208c9d1b 1734void qmp_getfd(const char *fdname, Error **errp)
f07918fd 1735{
c227f099 1736 mon_fd_t *monfd;
f07918fd
MM		 1737 int fd;
1738
208c9d1b 1739 fd = qemu_chr_fe_get_msgfd(cur_mon->chr);
f07918fd 1740 if (fd == -1) {
c6bd8c70 1741 error_setg(errp, QERR_FD_NOT_SUPPLIED);
208c9d1b 1742 return;
f07918fd
MM		 1743 }
1744
1745 if (qemu_isdigit(fdname[0])) {
0b9f0e2f 1746 close(fd);
c6bd8c70
MA		 1747 error_setg(errp, QERR_INVALID_PARAMETER_VALUE, "fdname",
1748 "a name not starting with a digit");
208c9d1b 1749 return;
f07918fd
MM		 1750 }
1751
208c9d1b 1752 QLIST_FOREACH(monfd, &cur_mon->fds, next) {
f07918fd
MM		 1753 if (strcmp(monfd->name, fdname) != 0) {
1754 continue;
1755 }
1756
1757 close(monfd->fd);
1758 monfd->fd = fd;
208c9d1b 1759 return;
f07918fd
MM		 1760 }
1761
7267c094
AL		 1762 monfd = g_malloc0(sizeof(mon_fd_t));
1763 monfd->name = g_strdup(fdname);
f07918fd
MM		 1764 monfd->fd = fd;
1765
208c9d1b 1766 QLIST_INSERT_HEAD(&cur_mon->fds, monfd, next);
f07918fd
MM		 1767}
1768
208c9d1b 1769void qmp_closefd(const char *fdname, Error **errp)
f07918fd 1770{
c227f099 1771 mon_fd_t *monfd;
f07918fd 1772
208c9d1b 1773 QLIST_FOREACH(monfd, &cur_mon->fds, next) {
f07918fd
MM		 1774 if (strcmp(monfd->name, fdname) != 0) {
1775 continue;
1776 }
1777
72cf2d4f 1778 QLIST_REMOVE(monfd, next);
f07918fd 1779 close(monfd->fd);
7267c094
AL		 1780 g_free(monfd->name);
1781 g_free(monfd);
208c9d1b 1782 return;
f07918fd
MM		 1783 }
1784
c6bd8c70 1785 error_setg(errp, QERR_FD_NOT_FOUND, fdname);
f07918fd
MM		 1786}
1787
3e5a50d6 1788static void hmp_loadvm(Monitor *mon, const QDict *qdict)
c8d41b2c 1789{
1354869c 1790 int saved_vm_running = runstate_is_running();
d54908a5 1791 const char *name = qdict_get_str(qdict, "name");
c8d41b2c 1792
0461d5a6 1793 vm_stop(RUN_STATE_RESTORE_VM);
c8d41b2c 1794
f0aa7a8b 1795 if (load_vmstate(name) == 0 && saved_vm_running) {
c8d41b2c 1796 vm_start();
f0aa7a8b 1797 }
c8d41b2c
JQ		 1798}
1799
a9940fc4 1800int monitor_get_fd(Monitor *mon, const char *fdname, Error **errp)
7768e04c 1801{
c227f099 1802 mon_fd_t *monfd;
7768e04c 1803
72cf2d4f 1804 QLIST_FOREACH(monfd, &mon->fds, next) {
7768e04c
MM		 1805 int fd;
1806
1807 if (strcmp(monfd->name, fdname) != 0) {
1808 continue;
1809 }
1810
1811 fd = monfd->fd;
1812
1813 /* caller takes ownership of fd */
72cf2d4f 1814 QLIST_REMOVE(monfd, next);
7267c094
AL		 1815 g_free(monfd->name);
1816 g_free(monfd);
7768e04c
MM		 1817
1818 return fd;
1819 }
1820
a9940fc4 1821 error_setg(errp, "File descriptor named '%s' has not been found", fdname);
7768e04c
MM		 1822 return -1;
1823}
1824
ba1c048a
CB		 1825static void monitor_fdset_cleanup(MonFdset *mon_fdset)
1826{
1827 MonFdsetFd *mon_fdset_fd;
1828 MonFdsetFd *mon_fdset_fd_next;
1829
1830 QLIST_FOREACH_SAFE(mon_fdset_fd, &mon_fdset->fds, next, mon_fdset_fd_next) {
ebe52b59
CB		 1831 if ((mon_fdset_fd->removed ||
1832 (QLIST_EMPTY(&mon_fdset->dup_fds) && mon_refcount == 0)) &&
1833 runstate_is_running()) {
ba1c048a
CB		 1834 close(mon_fdset_fd->fd);
1835 g_free(mon_fdset_fd->opaque);
1836 QLIST_REMOVE(mon_fdset_fd, next);
1837 g_free(mon_fdset_fd);
1838 }
1839 }
1840
adb696f3 1841 if (QLIST_EMPTY(&mon_fdset->fds) && QLIST_EMPTY(&mon_fdset->dup_fds)) {
ba1c048a
CB		 1842 QLIST_REMOVE(mon_fdset, next);
1843 g_free(mon_fdset);
1844 }
1845}
1846
efb87c16
CB		 1847static void monitor_fdsets_cleanup(void)
1848{
1849 MonFdset *mon_fdset;
1850 MonFdset *mon_fdset_next;
1851
1852 QLIST_FOREACH_SAFE(mon_fdset, &mon_fdsets, next, mon_fdset_next) {
1853 monitor_fdset_cleanup(mon_fdset);
1854 }
1855}
1856
ba1c048a
CB		 1857AddfdInfo *qmp_add_fd(bool has_fdset_id, int64_t fdset_id, bool has_opaque,
1858 const char *opaque, Error **errp)
1859{
1860 int fd;
1861 Monitor *mon = cur_mon;
ba1c048a
CB		 1862 AddfdInfo *fdinfo;
1863
1864 fd = qemu_chr_fe_get_msgfd(mon->chr);
1865 if (fd == -1) {
c6bd8c70 1866 error_setg(errp, QERR_FD_NOT_SUPPLIED);
ba1c048a
CB		 1867 goto error;
1868 }
1869
e446f70d
CB		 1870 fdinfo = monitor_fdset_add_fd(fd, has_fdset_id, fdset_id,
1871 has_opaque, opaque, errp);
1872 if (fdinfo) {
1873 return fdinfo;
ba1c048a 1874 }
ba1c048a
CB		 1875
1876error:
1877 if (fd != -1) {
1878 close(fd);
1879 }
1880 return NULL;
1881}
1882
1883void qmp_remove_fd(int64_t fdset_id, bool has_fd, int64_t fd, Error **errp)
1884{
1885 MonFdset *mon_fdset;
1886 MonFdsetFd *mon_fdset_fd;
1887 char fd_str[60];
1888
1889 QLIST_FOREACH(mon_fdset, &mon_fdsets, next) {
1890 if (mon_fdset->id != fdset_id) {
1891 continue;
1892 }
1893 QLIST_FOREACH(mon_fdset_fd, &mon_fdset->fds, next) {
1894 if (has_fd) {
1895 if (mon_fdset_fd->fd != fd) {
1896 continue;
1897 }
1898 mon_fdset_fd->removed = true;
1899 break;
1900 } else {
1901 mon_fdset_fd->removed = true;
1902 }
1903 }
1904 if (has_fd && !mon_fdset_fd) {
1905 goto error;
1906 }
1907 monitor_fdset_cleanup(mon_fdset);
1908 return;
1909 }
1910
1911error:
1912 if (has_fd) {
1913 snprintf(fd_str, sizeof(fd_str), "fdset-id:%" PRId64 ", fd:%" PRId64,
1914 fdset_id, fd);
1915 } else {
1916 snprintf(fd_str, sizeof(fd_str), "fdset-id:%" PRId64, fdset_id);
1917 }
c6bd8c70 1918 error_setg(errp, QERR_FD_NOT_FOUND, fd_str);
ba1c048a
CB		 1919}
1920
1921FdsetInfoList *qmp_query_fdsets(Error **errp)
1922{
1923 MonFdset *mon_fdset;
1924 MonFdsetFd *mon_fdset_fd;
1925 FdsetInfoList *fdset_list = NULL;
1926
1927 QLIST_FOREACH(mon_fdset, &mon_fdsets, next) {
1928 FdsetInfoList *fdset_info = g_malloc0(sizeof(*fdset_info));
1929 FdsetFdInfoList *fdsetfd_list = NULL;
1930
1931 fdset_info->value = g_malloc0(sizeof(*fdset_info->value));
1932 fdset_info->value->fdset_id = mon_fdset->id;
1933
1934 QLIST_FOREACH(mon_fdset_fd, &mon_fdset->fds, next) {
1935 FdsetFdInfoList *fdsetfd_info;
1936
1937 fdsetfd_info = g_malloc0(sizeof(*fdsetfd_info));
1938 fdsetfd_info->value = g_malloc0(sizeof(*fdsetfd_info->value));
1939 fdsetfd_info->value->fd = mon_fdset_fd->fd;
1940 if (mon_fdset_fd->opaque) {
1941 fdsetfd_info->value->has_opaque = true;
1942 fdsetfd_info->value->opaque = g_strdup(mon_fdset_fd->opaque);
1943 } else {
1944 fdsetfd_info->value->has_opaque = false;
1945 }
1946
1947 fdsetfd_info->next = fdsetfd_list;
1948 fdsetfd_list = fdsetfd_info;
1949 }
1950
1951 fdset_info->value->fds = fdsetfd_list;
1952
1953 fdset_info->next = fdset_list;
1954 fdset_list = fdset_info;
1955 }
1956
1957 return fdset_list;
1958}
1959
e446f70d
CB		 1960AddfdInfo *monitor_fdset_add_fd(int fd, bool has_fdset_id, int64_t fdset_id,
1961 bool has_opaque, const char *opaque,
1962 Error **errp)
1963{
1964 MonFdset *mon_fdset = NULL;
1965 MonFdsetFd *mon_fdset_fd;
1966 AddfdInfo *fdinfo;
1967
1968 if (has_fdset_id) {
1969 QLIST_FOREACH(mon_fdset, &mon_fdsets, next) {
1970 /* Break if match found or match impossible due to ordering by ID */
1971 if (fdset_id <= mon_fdset->id) {
1972 if (fdset_id < mon_fdset->id) {
1973 mon_fdset = NULL;
1974 }
1975 break;
1976 }
1977 }
1978 }
1979
1980 if (mon_fdset == NULL) {
1981 int64_t fdset_id_prev = -1;
1982 MonFdset *mon_fdset_cur = QLIST_FIRST(&mon_fdsets);
1983
1984 if (has_fdset_id) {
1985 if (fdset_id < 0) {
c6bd8c70
MA		 1986 error_setg(errp, QERR_INVALID_PARAMETER_VALUE, "fdset-id",
1987 "a non-negative value");
e446f70d
CB		 1988 return NULL;
1989 }
1990 /* Use specified fdset ID */
1991 QLIST_FOREACH(mon_fdset, &mon_fdsets, next) {
1992 mon_fdset_cur = mon_fdset;
1993 if (fdset_id < mon_fdset_cur->id) {
1994 break;
1995 }
1996 }
1997 } else {
1998 /* Use first available fdset ID */
1999 QLIST_FOREACH(mon_fdset, &mon_fdsets, next) {
2000 mon_fdset_cur = mon_fdset;
2001 if (fdset_id_prev == mon_fdset_cur->id - 1) {
2002 fdset_id_prev = mon_fdset_cur->id;
2003 continue;
2004 }
2005 break;
2006 }
2007 }
2008
2009 mon_fdset = g_malloc0(sizeof(*mon_fdset));
2010 if (has_fdset_id) {
2011 mon_fdset->id = fdset_id;
2012 } else {
2013 mon_fdset->id = fdset_id_prev + 1;
2014 }
2015
2016 /* The fdset list is ordered by fdset ID */
2017 if (!mon_fdset_cur) {
2018 QLIST_INSERT_HEAD(&mon_fdsets, mon_fdset, next);
2019 } else if (mon_fdset->id < mon_fdset_cur->id) {
2020 QLIST_INSERT_BEFORE(mon_fdset_cur, mon_fdset, next);
2021 } else {
2022 QLIST_INSERT_AFTER(mon_fdset_cur, mon_fdset, next);
2023 }
2024 }
2025
2026 mon_fdset_fd = g_malloc0(sizeof(*mon_fdset_fd));
2027 mon_fdset_fd->fd = fd;
2028 mon_fdset_fd->removed = false;
2029 if (has_opaque) {
2030 mon_fdset_fd->opaque = g_strdup(opaque);
2031 }
2032 QLIST_INSERT_HEAD(&mon_fdset->fds, mon_fdset_fd, next);
2033
2034 fdinfo = g_malloc0(sizeof(*fdinfo));
2035 fdinfo->fdset_id = mon_fdset->id;
2036 fdinfo->fd = mon_fdset_fd->fd;
2037
2038 return fdinfo;
2039}
2040
adb696f3
CB		 2041int monitor_fdset_get_fd(int64_t fdset_id, int flags)
2042{
b2dc64c3 2043#ifndef _WIN32
adb696f3
CB		 2044 MonFdset *mon_fdset;
2045 MonFdsetFd *mon_fdset_fd;
2046 int mon_fd_flags;
2047
adb696f3
CB		 2048 QLIST_FOREACH(mon_fdset, &mon_fdsets, next) {
2049 if (mon_fdset->id != fdset_id) {
2050 continue;
2051 }
2052 QLIST_FOREACH(mon_fdset_fd, &mon_fdset->fds, next) {
2053 mon_fd_flags = fcntl(mon_fdset_fd->fd, F_GETFL);
2054 if (mon_fd_flags == -1) {
2055 return -1;
2056 }
2057
2058 if ((flags & O_ACCMODE) == (mon_fd_flags & O_ACCMODE)) {
2059 return mon_fdset_fd->fd;
2060 }
2061 }
2062 errno = EACCES;
2063 return -1;
2064 }
2065#endif
2066
2067 errno = ENOENT;
2068 return -1;
2069}
2070
2071int monitor_fdset_dup_fd_add(int64_t fdset_id, int dup_fd)
2072{
2073 MonFdset *mon_fdset;
2074 MonFdsetFd *mon_fdset_fd_dup;
2075
2076 QLIST_FOREACH(mon_fdset, &mon_fdsets, next) {
2077 if (mon_fdset->id != fdset_id) {
2078 continue;
2079 }
2080 QLIST_FOREACH(mon_fdset_fd_dup, &mon_fdset->dup_fds, next) {
2081 if (mon_fdset_fd_dup->fd == dup_fd) {
2082 return -1;
2083 }
2084 }
2085 mon_fdset_fd_dup = g_malloc0(sizeof(*mon_fdset_fd_dup));
2086 mon_fdset_fd_dup->fd = dup_fd;
2087 QLIST_INSERT_HEAD(&mon_fdset->dup_fds, mon_fdset_fd_dup, next);
2088 return 0;
2089 }
2090 return -1;
2091}
2092
2093static int monitor_fdset_dup_fd_find_remove(int dup_fd, bool remove)
2094{
2095 MonFdset *mon_fdset;
2096 MonFdsetFd *mon_fdset_fd_dup;
2097
2098 QLIST_FOREACH(mon_fdset, &mon_fdsets, next) {
2099 QLIST_FOREACH(mon_fdset_fd_dup, &mon_fdset->dup_fds, next) {
2100 if (mon_fdset_fd_dup->fd == dup_fd) {
2101 if (remove) {
2102 QLIST_REMOVE(mon_fdset_fd_dup, next);
2103 if (QLIST_EMPTY(&mon_fdset->dup_fds)) {
2104 monitor_fdset_cleanup(mon_fdset);
2105 }
b3dd1b8c
MT		 2106 return -1;
2107 } else {
2108 return mon_fdset->id;
adb696f3 2109 }
adb696f3
CB		 2110 }
2111 }
2112 }
2113 return -1;
2114}
2115
2116int monitor_fdset_dup_fd_find(int dup_fd)
2117{
2118 return monitor_fdset_dup_fd_find_remove(dup_fd, false);
2119}
2120
b3dd1b8c 2121void monitor_fdset_dup_fd_remove(int dup_fd)
adb696f3 2122{
b3dd1b8c 2123 monitor_fdset_dup_fd_find_remove(dup_fd, true);
adb696f3
CB		 2124}
2125
1677f4c6 2126int monitor_fd_param(Monitor *mon, const char *fdname, Error **errp)
5906366e
LE		 2127{
2128 int fd;
2129 Error *local_err = NULL;
a96ed02f 2130
5906366e 2131 if (!qemu_isdigit(fdname[0]) && mon) {
a9940fc4 2132 fd = monitor_get_fd(mon, fdname, &local_err);
5906366e
LE		 2133 } else {
2134 fd = qemu_parse_fd(fdname);
a96ed02f 2135 if (fd == -1) {
5906366e
LE		 2136 error_setg(&local_err, "Invalid file descriptor number '%s'",
2137 fdname);
a96ed02f 2138 }
5906366e
LE		 2139 }
2140 if (local_err) {
2141 error_propagate(errp, local_err);
2142 assert(fd == -1);
a96ed02f 2143 } else {
5906366e 2144 assert(fd != -1);
a96ed02f
NB		 2145 }
2146
2147 return fd;
2148}
2149
acd0a093 2150/* Please update hmp-commands.hx when adding or changing commands */
816f8925 2151static mon_cmd_t info_cmds[] = {
da76ee76
PB		 2152#include "hmp-commands-info.h"
2153 { NULL, NULL, },
9dc39cba
FB		 2154};
2155
a13ced59
WX		 2156/* mon_cmds and info_cmds would be sorted at runtime */
2157static mon_cmd_t mon_cmds[] = {
2158#include "hmp-commands.h"
2159 { NULL, NULL, },
2160};
2161
9307c4c1
FB		 2162/*******************************************************************/
2163
2164static const char *pch;
6ab7e546 2165static sigjmp_buf expr_env;
9307c4c1 2166
9307c4c1 2167
9c3175cc
SW		 2168static void GCC_FMT_ATTR(2, 3) QEMU_NORETURN
2169expr_error(Monitor *mon, const char *fmt, ...)
9dc39cba 2170{
277acfe8
FZ		 2171 va_list ap;
2172 va_start(ap, fmt);
2173 monitor_vprintf(mon, fmt, ap);
2174 monitor_printf(mon, "\n");
2175 va_end(ap);
6ab7e546 2176 siglongjmp(expr_env, 1);
9307c4c1
FB		 2177}
2178
09b9418c 2179/* return 0 if OK, -1 if not found */
92a31b1f 2180static int get_monitor_def(target_long *pval, const char *name)
9307c4c1 2181{
bf957284 2182 const MonitorDef *md = target_monitor_defs();
92a31b1f 2183 void *ptr;
0a9516c2
AK		 2184 uint64_t tmp = 0;
2185 int ret;
92a31b1f 2186
bf957284
PB		 2187 if (md == NULL) {
2188 return -1;
2189 }
2190
2191 for(; md->name != NULL; md++) {
9307c4c1
FB		 2192 if (compare_cmd(name, md->name)) {
2193 if (md->get_value) {
e95c8d51 2194 *pval = md->get_value(md, md->offset);
9307c4c1 2195 } else {
5bcda5f7 2196 CPUArchState *env = mon_get_cpu_env();
6a00d601 2197 ptr = (uint8_t *)env + md->offset;
92a31b1f
FB		 2198 switch(md->type) {
2199 case MD_I32:
2200 *pval = *(int32_t *)ptr;
2201 break;
2202 case MD_TLONG:
2203 *pval = *(target_long *)ptr;
2204 break;
2205 default:
2206 *pval = 0;
2207 break;
2208 }
9307c4c1
FB		 2209 }
2210 return 0;
2211 }
2212 }
0a9516c2
AK		 2213
2214 ret = target_get_monitor_def(mon_get_cpu(), name, &tmp);
2215 if (!ret) {
2216 *pval = (target_long) tmp;
2217 }
2218
2219 return ret;
9307c4c1
FB		 2220}
2221
2222static void next(void)
2223{
660f11be 2224 if (*pch != '\0') {
9307c4c1 2225 pch++;
cd390083 2226 while (qemu_isspace(*pch))
9307c4c1
FB		 2227 pch++;
2228 }
2229}
2230
376253ec 2231static int64_t expr_sum(Monitor *mon);
9307c4c1 2232
376253ec 2233static int64_t expr_unary(Monitor *mon)
9307c4c1 2234{
c2efc95d 2235 int64_t n;
9307c4c1 2236 char *p;
6a00d601 2237 int ret;
9307c4c1
FB		 2238
2239 switch(*pch) {
2240 case '+':
2241 next();
376253ec 2242 n = expr_unary(mon);
9307c4c1
FB		 2243 break;
2244 case '-':
2245 next();
376253ec 2246 n = -expr_unary(mon);
9307c4c1
FB		 2247 break;
2248 case '~':
2249 next();
376253ec 2250 n = ~expr_unary(mon);
9307c4c1
FB		 2251 break;
2252 case '(':
2253 next();
376253ec 2254 n = expr_sum(mon);
9307c4c1 2255 if (*pch != ')') {
376253ec 2256 expr_error(mon, "')' expected");
9307c4c1
FB		 2257 }
2258 next();
2259 break;
81d0912d
FB		 2260 case '\'':
2261 pch++;
2262 if (*pch == '\0')
376253ec 2263 expr_error(mon, "character constant expected");
81d0912d
FB		 2264 n = *pch;
2265 pch++;
2266 if (*pch != '\'')
376253ec 2267 expr_error(mon, "missing terminating \' character");
81d0912d
FB		 2268 next();
2269 break;
9307c4c1
FB		 2270 case '$':
2271 {
2272 char buf[128], *q;
69b34976 2273 target_long reg=0;
3b46e624 2274
9307c4c1
FB		 2275 pch++;
2276 q = buf;
2277 while ((*pch >= 'a' && *pch <= 'z') ||
2278 (*pch >= 'A' && *pch <= 'Z') ||
2279 (*pch >= '0' && *pch <= '9') ||
57206fd4 2280 *pch == '_' || *pch == '.') {
9307c4c1
FB		 2281 if ((q - buf) < sizeof(buf) - 1)
2282 *q++ = *pch;
2283 pch++;
2284 }
cd390083 2285 while (qemu_isspace(*pch))
9307c4c1
FB		 2286 pch++;
2287 *q = 0;
7743e588 2288 ret = get_monitor_def(&reg, buf);
09b9418c 2289 if (ret < 0)
376253ec 2290 expr_error(mon, "unknown register");
7743e588 2291 n = reg;
9307c4c1
FB		 2292 }
2293 break;
2294 case '\0':
376253ec 2295 expr_error(mon, "unexpected end of expression");
9307c4c1
FB		 2296 n = 0;
2297 break;
2298 default:
6b0e33be 2299 errno = 0;
4f4fbf77 2300 n = strtoull(pch, &p, 0);
6b0e33be
LC		 2301 if (errno == ERANGE) {
2302 expr_error(mon, "number too large");
2303 }
9307c4c1 2304 if (pch == p) {
277acfe8 2305 expr_error(mon, "invalid char '%c' in expression", *p);
9307c4c1
FB		 2306 }
2307 pch = p;
cd390083 2308 while (qemu_isspace(*pch))
9307c4c1
FB		 2309 pch++;
2310 break;
2311 }
2312 return n;
2313}
2314
2315
376253ec 2316static int64_t expr_prod(Monitor *mon)
9307c4c1 2317{
c2efc95d 2318 int64_t val, val2;
92a31b1f 2319 int op;
3b46e624 2320
376253ec 2321 val = expr_unary(mon);
9307c4c1
FB		 2322 for(;;) {
2323 op = *pch;
2324 if (op != '*' && op != '/' && op != '%')
2325 break;
2326 next();
376253ec 2327 val2 = expr_unary(mon);
9307c4c1
FB		 2328 switch(op) {
2329 default:
2330 case '*':
2331 val *= val2;
2332 break;
2333 case '/':
2334 case '%':
5fafdf24 2335 if (val2 == 0)
376253ec 2336 expr_error(mon, "division by zero");
9307c4c1
FB		 2337 if (op == '/')
2338 val /= val2;
2339 else
2340 val %= val2;
2341 break;
2342 }
2343 }
2344 return val;
2345}
2346
376253ec 2347static int64_t expr_logic(Monitor *mon)
9307c4c1 2348{
c2efc95d 2349 int64_t val, val2;
92a31b1f 2350 int op;
9307c4c1 2351
376253ec 2352 val = expr_prod(mon);
9307c4c1
FB		 2353 for(;;) {
2354 op = *pch;
2355 if (op != '&' && op != '|' && op != '^')
2356 break;
2357 next();
376253ec 2358 val2 = expr_prod(mon);
9307c4c1
FB		 2359 switch(op) {
2360 default:
2361 case '&':
2362 val &= val2;
2363 break;
2364 case '|':
2365 val |= val2;
2366 break;
2367 case '^':
2368 val ^= val2;
2369 break;
2370 }
2371 }
2372 return val;
2373}
2374
376253ec 2375static int64_t expr_sum(Monitor *mon)
9307c4c1 2376{
c2efc95d 2377 int64_t val, val2;
92a31b1f 2378 int op;
9307c4c1 2379
376253ec 2380 val = expr_logic(mon);
9307c4c1
FB		 2381 for(;;) {
2382 op = *pch;
2383 if (op != '+' && op != '-')
2384 break;
2385 next();
376253ec 2386 val2 = expr_logic(mon);
9307c4c1
FB		 2387 if (op == '+')
2388 val += val2;
2389 else
2390 val -= val2;
2391 }
2392 return val;
2393}
2394
376253ec 2395static int get_expr(Monitor *mon, int64_t *pval, const char **pp)
9307c4c1
FB		 2396{
2397 pch = *pp;
6ab7e546 2398 if (sigsetjmp(expr_env, 0)) {
9307c4c1
FB		 2399 *pp = pch;
2400 return -1;
2401 }
cd390083 2402 while (qemu_isspace(*pch))
9307c4c1 2403 pch++;
376253ec 2404 *pval = expr_sum(mon);
9307c4c1
FB		 2405 *pp = pch;
2406 return 0;
2407}
2408
3350a4dd
MA		 2409static int get_double(Monitor *mon, double *pval, const char **pp)
2410{
2411 const char *p = *pp;
2412 char *tailp;
2413 double d;
2414
2415 d = strtod(p, &tailp);
2416 if (tailp == p) {
2417 monitor_printf(mon, "Number expected\n");
2418 return -1;
2419 }
2420 if (d != d || d - d != 0) {
2421 /* NaN or infinity */
2422 monitor_printf(mon, "Bad number\n");
2423 return -1;
2424 }
2425 *pval = d;
2426 *pp = tailp;
2427 return 0;
2428}
2429
4590fd80
LC		 2430/*
2431 * Store the command-name in cmdname, and return a pointer to
2432 * the remaining of the command string.
2433 */
2434static const char *get_command_name(const char *cmdline,
2435 char *cmdname, size_t nlen)
2436{
2437 size_t len;
2438 const char *p, *pstart;
2439
2440 p = cmdline;
2441 while (qemu_isspace(*p))
2442 p++;
2443 if (*p == '\0')
2444 return NULL;
2445 pstart = p;
2446 while (*p != '\0' && *p != '/' && !qemu_isspace(*p))
2447 p++;
2448 len = p - pstart;
2449 if (len > nlen - 1)
2450 len = nlen - 1;
2451 memcpy(cmdname, pstart, len);
2452 cmdname[len] = '\0';
2453 return p;
2454}
2455
4d76d2ba
LC		 2456/**
2457 * Read key of 'type' into 'key' and return the current
2458 * 'type' pointer.
2459 */
2460static char *key_get_info(const char *type, char **key)
2461{
2462 size_t len;
2463 char *p, *str;
2464
2465 if (*type == ',')
2466 type++;
2467
2468 p = strchr(type, ':');
2469 if (!p) {
2470 *key = NULL;
2471 return NULL;
2472 }
2473 len = p - type;
2474
7267c094 2475 str = g_malloc(len + 1);
4d76d2ba
LC		 2476 memcpy(str, type, len);
2477 str[len] = '\0';
2478
2479 *key = str;
2480 return ++p;
2481}
2482
9307c4c1
FB		 2483static int default_fmt_format = 'x';
2484static int default_fmt_size = 4;
2485
fbc3d96c
LS		 2486static int is_valid_option(const char *c, const char *typestr)
2487{
2488 char option[3];
2489
2490 option[0] = '-';
2491 option[1] = *c;
2492 option[2] = '\0';
2493
2494 typestr = strstr(typestr, option);
2495 return (typestr != NULL);
2496}
2497
945c5ac8
LC		 2498static const mon_cmd_t *search_dispatch_table(const mon_cmd_t *disp_table,
2499 const char *cmdname)
7fd669a1
LC		 2500{
2501 const mon_cmd_t *cmd;
2502
945c5ac8 2503 for (cmd = disp_table; cmd->name != NULL; cmd++) {
7fd669a1
LC		 2504 if (compare_cmd(cmdname, cmd->name)) {
2505 return cmd;
2506 }
2507 }
2508
2509 return NULL;
2510}
2511
5f3d335f 2512/*
ae50212f
BD		 2513 * Parse command name from @cmdp according to command table @table.
2514 * If blank, return NULL.
2515 * Else, if no valid command can be found, report to @mon, and return
2516 * NULL.
2517 * Else, change @cmdp to point right behind the name, and return its
2518 * command table entry.
2519 * Do not assume the return value points into @table! It doesn't when
2520 * the command is found in a sub-command table.
5f3d335f 2521 */
c227f099 2522static const mon_cmd_t *monitor_parse_command(Monitor *mon,
ae50212f
BD		 2523 const char **cmdp,
2524 mon_cmd_t *table)
9307c4c1 2525{
ae50212f 2526 const char *p;
c227f099 2527 const mon_cmd_t *cmd;
9307c4c1 2528 char cmdname[256];
9dc39cba 2529
9307c4c1 2530 /* extract the command name */
ae50212f 2531 p = get_command_name(*cmdp, cmdname, sizeof(cmdname));
4590fd80 2532 if (!p)
55f81d96 2533 return NULL;
3b46e624 2534
5f3d335f 2535 cmd = search_dispatch_table(table, cmdname);
7fd669a1 2536 if (!cmd) {
5f3d335f 2537 monitor_printf(mon, "unknown command: '%.*s'\n",
ae50212f 2538 (int)(p - *cmdp), *cmdp);
55f81d96 2539 return NULL;
9307c4c1 2540 }
9307c4c1 2541
5f3d335f
WX		 2542 /* filter out following useless space */
2543 while (qemu_isspace(*p)) {
2544 p++;
2545 }
ae50212f
BD		 2546
2547 *cmdp = p;
5f3d335f 2548 /* search sub command */
ae50212f
BD		 2549 if (cmd->sub_table != NULL && *p != '\0') {
2550 return monitor_parse_command(mon, cmdp, cmd->sub_table);
5f3d335f
WX		 2551 }
2552
ae50212f
BD		 2553 return cmd;
2554}
2555
2556/*
2557 * Parse arguments for @cmd.
2558 * If it can't be parsed, report to @mon, and return NULL.
2559 * Else, insert command arguments into a QDict, and return it.
2560 * Note: On success, caller has to free the QDict structure.
2561 */
2562
2563static QDict *monitor_parse_arguments(Monitor *mon,
2564 const char **endp,
2565 const mon_cmd_t *cmd)
2566{
2567 const char *typestr;
2568 char *key;
2569 int c;
2570 const char *p = *endp;
2571 char buf[1024];
2572 QDict *qdict = qdict_new();
2573
9307c4c1
FB		 2574 /* parse the parameters */
2575 typestr = cmd->args_type;
9dc39cba 2576 for(;;) {
4d76d2ba
LC		 2577 typestr = key_get_info(typestr, &key);
2578 if (!typestr)
9dc39cba 2579 break;
4d76d2ba 2580 c = *typestr;
9307c4c1
FB		 2581 typestr++;
2582 switch(c) {
2583 case 'F':
81d0912d 2584 case 'B':
9307c4c1
FB		 2585 case 's':
2586 {
2587 int ret;
3b46e624 2588
cd390083 2589 while (qemu_isspace(*p))
9307c4c1
FB		 2590 p++;
2591 if (*typestr == '?') {
2592 typestr++;
2593 if (*p == '\0') {
2594 /* no optional string: NULL argument */
53773581 2595 break;
9307c4c1
FB		 2596 }
2597 }
2598 ret = get_str(buf, sizeof(buf), &p);
2599 if (ret < 0) {
81d0912d
FB		 2600 switch(c) {
2601 case 'F':
376253ec 2602 monitor_printf(mon, "%s: filename expected\n",
ae50212f 2603 cmd->name);
81d0912d
FB		 2604 break;
2605 case 'B':
376253ec 2606 monitor_printf(mon, "%s: block device name expected\n",
ae50212f 2607 cmd->name);
81d0912d
FB		 2608 break;
2609 default:
ae50212f 2610 monitor_printf(mon, "%s: string expected\n", cmd->name);
81d0912d
FB		 2611 break;
2612 }
9307c4c1
FB		 2613 goto fail;
2614 }
53773581 2615 qdict_put(qdict, key, qstring_from_str(buf));
9307c4c1 2616 }
9dc39cba 2617 break;
361127df
MA		 2618 case 'O':
2619 {
2620 QemuOptsList *opts_list;
2621 QemuOpts *opts;
2622
2623 opts_list = qemu_find_opts(key);
2624 if (!opts_list || opts_list->desc->name) {
2625 goto bad_type;
2626 }
2627 while (qemu_isspace(*p)) {
2628 p++;
2629 }
2630 if (!*p)
2631 break;
2632 if (get_str(buf, sizeof(buf), &p) < 0) {
2633 goto fail;
2634 }
70b94331 2635 opts = qemu_opts_parse_noisily(opts_list, buf, true);
361127df
MA		 2636 if (!opts) {
2637 goto fail;
2638 }
2639 qemu_opts_to_qdict(opts, qdict);
2640 qemu_opts_del(opts);
2641 }
2642 break;
9307c4c1
FB		 2643 case '/':
2644 {
2645 int count, format, size;
3b46e624 2646
cd390083 2647 while (qemu_isspace(*p))
9307c4c1
FB		 2648 p++;
2649 if (*p == '/') {
2650 /* format found */
2651 p++;
2652 count = 1;
cd390083 2653 if (qemu_isdigit(*p)) {
9307c4c1 2654 count = 0;
cd390083 2655 while (qemu_isdigit(*p)) {
9307c4c1
FB		 2656 count = count * 10 + (*p - '0');
2657 p++;
2658 }
2659 }
2660 size = -1;
2661 format = -1;
2662 for(;;) {
2663 switch(*p) {
2664 case 'o':
2665 case 'd':
2666 case 'u':
2667 case 'x':
2668 case 'i':
2669 case 'c':
2670 format = *p++;
2671 break;
2672 case 'b':
2673 size = 1;
2674 p++;
2675 break;
2676 case 'h':
2677 size = 2;
2678 p++;
2679 break;
2680 case 'w':
2681 size = 4;
2682 p++;
2683 break;
2684 case 'g':
2685 case 'L':
2686 size = 8;
2687 p++;
2688 break;
2689 default:
2690 goto next;
2691 }
2692 }
2693 next:
cd390083 2694 if (*p != '\0' && !qemu_isspace(*p)) {
376253ec
AL		 2695 monitor_printf(mon, "invalid char in format: '%c'\n",
2696 *p);
9307c4c1
FB		 2697 goto fail;
2698 }
9307c4c1
FB		 2699 if (format < 0)
2700 format = default_fmt_format;
4c27ba27
FB		 2701 if (format != 'i') {
2702 /* for 'i', not specifying a size gives -1 as size */
2703 if (size < 0)
2704 size = default_fmt_size;
e90f009b 2705 default_fmt_size = size;
4c27ba27 2706 }
9307c4c1
FB		 2707 default_fmt_format = format;
2708 } else {
2709 count = 1;
2710 format = default_fmt_format;
4c27ba27
FB		 2711 if (format != 'i') {
2712 size = default_fmt_size;
2713 } else {
2714 size = -1;
2715 }
9307c4c1 2716 }
f7188bbe
LC		 2717 qdict_put(qdict, "count", qint_from_int(count));
2718 qdict_put(qdict, "format", qint_from_int(format));
2719 qdict_put(qdict, "size", qint_from_int(size));
9307c4c1 2720 }
9dc39cba 2721 break;
9307c4c1 2722 case 'i':
92a31b1f 2723 case 'l':
b6e098d7 2724 case 'M':
9307c4c1 2725 {
c2efc95d 2726 int64_t val;
7743e588 2727
cd390083 2728 while (qemu_isspace(*p))
9307c4c1 2729 p++;
3440557b 2730 if (*typestr == '?' || *typestr == '.') {
3440557b 2731 if (*typestr == '?') {
53773581
LC		 2732 if (*p == '\0') {
2733 typestr++;
2734 break;
2735 }
3440557b
FB		 2736 } else {
2737 if (*p == '.') {
2738 p++;
cd390083 2739 while (qemu_isspace(*p))
3440557b 2740 p++;
3440557b 2741 } else {
53773581
LC		 2742 typestr++;
2743 break;
3440557b
FB		 2744 }
2745 }
13224a87 2746 typestr++;
9307c4c1 2747 }
376253ec 2748 if (get_expr(mon, &val, &p))
9307c4c1 2749 goto fail;
675ebef9
LC		 2750 /* Check if 'i' is greater than 32-bit */
2751 if ((c == 'i') && ((val >> 32) & 0xffffffff)) {
ae50212f 2752 monitor_printf(mon, "\'%s\' has failed: ", cmd->name);
675ebef9
LC		 2753 monitor_printf(mon, "integer is for 32-bit values\n");
2754 goto fail;
b6e098d7 2755 } else if (c == 'M') {
91162849
LC		 2756 if (val < 0) {
2757 monitor_printf(mon, "enter a positive value\n");
2758 goto fail;
2759 }
b6e098d7 2760 val <<= 20;
675ebef9 2761 }
53773581 2762 qdict_put(qdict, key, qint_from_int(val));
9307c4c1
FB		 2763 }
2764 break;
dbc0c67f
JS		 2765 case 'o':
2766 {
70b4f4bb 2767 int64_t val;
dbc0c67f
JS		 2768 char *end;
2769
2770 while (qemu_isspace(*p)) {
2771 p++;
2772 }
2773 if (*typestr == '?') {
2774 typestr++;
2775 if (*p == '\0') {
2776 break;
2777 }
2778 }
4677bb40 2779 val = qemu_strtosz(p, &end);
dbc0c67f
JS		 2780 if (val < 0) {
2781 monitor_printf(mon, "invalid size\n");
2782 goto fail;
2783 }
2784 qdict_put(qdict, key, qint_from_int(val));
2785 p = end;
2786 }
2787 break;
fccfb11e 2788 case 'T':
3350a4dd
MA		 2789 {
2790 double val;
2791
2792 while (qemu_isspace(*p))
2793 p++;
2794 if (*typestr == '?') {
2795 typestr++;
2796 if (*p == '\0') {
2797 break;
2798 }
2799 }
2800 if (get_double(mon, &val, &p) < 0) {
2801 goto fail;
2802 }
07de3e60 2803 if (p[0] && p[1] == 's') {
fccfb11e
MA		 2804 switch (*p) {
2805 case 'm':
2806 val /= 1e3; p += 2; break;
2807 case 'u':
2808 val /= 1e6; p += 2; break;
2809 case 'n':
2810 val /= 1e9; p += 2; break;
2811 }
2812 }
3350a4dd
MA		 2813 if (*p && !qemu_isspace(*p)) {
2814 monitor_printf(mon, "Unknown unit suffix\n");
2815 goto fail;
2816 }
2817 qdict_put(qdict, key, qfloat_from_double(val));
2818 }
2819 break;
942cd1f2
MA		 2820 case 'b':
2821 {
2822 const char *beg;
fc48ffc3 2823 bool val;
942cd1f2
MA		 2824
2825 while (qemu_isspace(*p)) {
2826 p++;
2827 }
2828 beg = p;
2829 while (qemu_isgraph(*p)) {
2830 p++;
2831 }
2832 if (p - beg == 2 && !memcmp(beg, "on", p - beg)) {
fc48ffc3 2833 val = true;
942cd1f2 2834 } else if (p - beg == 3 && !memcmp(beg, "off", p - beg)) {
fc48ffc3 2835 val = false;
942cd1f2
MA		 2836 } else {
2837 monitor_printf(mon, "Expected 'on' or 'off'\n");
2838 goto fail;
2839 }
fc48ffc3 2840 qdict_put(qdict, key, qbool_from_bool(val));
942cd1f2
MA		 2841 }
2842 break;
9307c4c1
FB		 2843 case '-':
2844 {
fbc3d96c 2845 const char *tmp = p;
eb159d13 2846 int skip_key = 0;
9307c4c1 2847 /* option */
3b46e624 2848
9307c4c1
FB		 2849 c = *typestr++;
2850 if (c == '\0')
2851 goto bad_type;
cd390083 2852 while (qemu_isspace(*p))
9307c4c1 2853 p++;
9307c4c1
FB		 2854 if (*p == '-') {
2855 p++;
fbc3d96c
LS		 2856 if(c != *p) {
2857 if(!is_valid_option(p, typestr)) {
2858
2859 monitor_printf(mon, "%s: unsupported option -%c\n",
ae50212f 2860 cmd->name, *p);
fbc3d96c
LS		 2861 goto fail;
2862 } else {
2863 skip_key = 1;
2864 }
2865 }
2866 if(skip_key) {
2867 p = tmp;
2868 } else {
eb159d13 2869 /* has option */
fbc3d96c 2870 p++;
fc48ffc3 2871 qdict_put(qdict, key, qbool_from_bool(true));
9307c4c1 2872 }
9307c4c1 2873 }
9307c4c1
FB		 2874 }
2875 break;
129be006
WX		 2876 case 'S':
2877 {
2878 /* package all remaining string */
2879 int len;
2880
2881 while (qemu_isspace(*p)) {
2882 p++;
2883 }
2884 if (*typestr == '?') {
2885 typestr++;
2886 if (*p == '\0') {
2887 /* no remaining string: NULL argument */
2888 break;
2889 }
2890 }
2891 len = strlen(p);
2892 if (len <= 0) {
2893 monitor_printf(mon, "%s: string expected\n",
ae50212f 2894 cmd->name);
e549d2aa 2895 goto fail;
129be006
WX		 2896 }
2897 qdict_put(qdict, key, qstring_from_str(p));
2898 p += len;
2899 }
2900 break;
9307c4c1
FB		 2901 default:
2902 bad_type:
ae50212f 2903 monitor_printf(mon, "%s: unknown type '%c'\n", cmd->name, c);
9307c4c1
FB		 2904 goto fail;
2905 }
7267c094 2906 g_free(key);
4d76d2ba 2907 key = NULL;
9dc39cba 2908 }
9307c4c1 2909 /* check that all arguments were parsed */
cd390083 2910 while (qemu_isspace(*p))
9307c4c1
FB		 2911 p++;
2912 if (*p != '\0') {
376253ec 2913 monitor_printf(mon, "%s: extraneous characters at the end of line\n",
ae50212f 2914 cmd->name);
9307c4c1 2915 goto fail;
9dc39cba 2916 }
9307c4c1 2917
ae50212f 2918 return qdict;
ac7531ec 2919
55f81d96 2920fail:
ae50212f 2921 QDECREF(qdict);
7267c094 2922 g_free(key);
55f81d96
LC		 2923 return NULL;
2924}
2925
7ef6cf63 2926static void handle_hmp_command(Monitor *mon, const char *cmdline)
55f81d96 2927{
55f81d96 2928 QDict *qdict;
c227f099 2929 const mon_cmd_t *cmd;
55f81d96 2930
ae50212f
BD		 2931 cmd = monitor_parse_command(mon, &cmdline, mon->cmd_table);
2932 if (!cmd) {
2933 return;
2934 }
55f81d96 2935
ae50212f
BD		 2936 qdict = monitor_parse_arguments(mon, &cmdline, cmd);
2937 if (!qdict) {
dd41eea7
BD		 2938 monitor_printf(mon, "Try \"help %s\" for more information\n",
2939 cmd->name);
ae50212f 2940 return;
55f81d96
LC		 2941 }
2942
2b9e3576 2943 cmd->cmd(mon, qdict);
f7188bbe 2944 QDECREF(qdict);
9dc39cba
FB		 2945}
2946
cd5c6bba 2947static void cmd_completion(Monitor *mon, const char *name, const char *list)
81d0912d
FB		 2948{
2949 const char *p, *pstart;
2950 char cmd[128];
2951 int len;
2952
2953 p = list;
2954 for(;;) {
2955 pstart = p;
2956 p = strchr(p, '|');
2957 if (!p)
2958 p = pstart + strlen(pstart);
2959 len = p - pstart;
2960 if (len > sizeof(cmd) - 2)
2961 len = sizeof(cmd) - 2;
2962 memcpy(cmd, pstart, len);
2963 cmd[len] = '\0';
2964 if (name[0] == '\0' || !strncmp(name, cmd, strlen(name))) {
cd5c6bba 2965 readline_add_completion(mon->rs, cmd);
81d0912d
FB		 2966 }
2967 if (*p == '\0')
2968 break;
2969 p++;
2970 }
2971}
2972
cb8f68b1 2973static void file_completion(Monitor *mon, const char *input)
81d0912d
FB		 2974{
2975 DIR *ffs;
2976 struct dirent *d;
2977 char path[1024];
2978 char file[1024], file_prefix[1024];
2979 int input_path_len;
2980 const char *p;
2981
5fafdf24 2982 p = strrchr(input, '/');
81d0912d
FB		 2983 if (!p) {
2984 input_path_len = 0;
2985 pstrcpy(file_prefix, sizeof(file_prefix), input);
363a37d5 2986 pstrcpy(path, sizeof(path), ".");
81d0912d
FB		 2987 } else {
2988 input_path_len = p - input + 1;
2989 memcpy(path, input, input_path_len);
2990 if (input_path_len > sizeof(path) - 1)
2991 input_path_len = sizeof(path) - 1;
2992 path[input_path_len] = '\0';
2993 pstrcpy(file_prefix, sizeof(file_prefix), p + 1);
2994 }
19f2db5c 2995
81d0912d
FB		 2996 ffs = opendir(path);
2997 if (!ffs)
2998 return;
2999 for(;;) {
3000 struct stat sb;
3001 d = readdir(ffs);
3002 if (!d)
3003 break;
46c7fc18
KK		 3004
3005 if (strcmp(d->d_name, ".") == 0 || strcmp(d->d_name, "..") == 0) {
3006 continue;
3007 }
3008
81d0912d
FB		 3009 if (strstart(d->d_name, file_prefix, NULL)) {
3010 memcpy(file, input, input_path_len);
363a37d5
BS		 3011 if (input_path_len < sizeof(file))
3012 pstrcpy(file + input_path_len, sizeof(file) - input_path_len,
3013 d->d_name);
81d0912d
FB		 3014 /* stat the file to find out if it's a directory.
3015 * In that case add a slash to speed up typing long paths
3016 */
c951d9a6 3017 if (stat(file, &sb) == 0 && S_ISDIR(sb.st_mode)) {
363a37d5 3018 pstrcat(file, sizeof(file), "/");
c951d9a6 3019 }
cb8f68b1 3020 readline_add_completion(mon->rs, file);
81d0912d
FB		 3021 }
3022 }
3023 closedir(ffs);
3024}
3025
4d76d2ba
LC		 3026static const char *next_arg_type(const char *typestr)
3027{
3028 const char *p = strchr(typestr, ':');
3029 return (p != NULL ? ++p : typestr);
3030}
3031
40d19394
HB		 3032static void add_completion_option(ReadLineState *rs, const char *str,
3033 const char *option)
3034{
3035 if (!str || !option) {
3036 return;
3037 }
3038 if (!strncmp(option, str, strlen(str))) {
3039 readline_add_completion(rs, option);
3040 }
3041}
3042
13e315da
HB		 3043void chardev_add_completion(ReadLineState *rs, int nb_args, const char *str)
3044{
3045 size_t len;
3046 ChardevBackendInfoList *list, *start;
3047
3048 if (nb_args != 2) {
3049 return;
3050 }
3051 len = strlen(str);
3052 readline_set_completion_index(rs, len);
3053
3054 start = list = qmp_query_chardev_backends(NULL);
3055 while (list) {
3056 const char *chr_name = list->value->name;
3057
3058 if (!strncmp(chr_name, str, len)) {
3059 readline_add_completion(rs, chr_name);
3060 }
3061 list = list->next;
3062 }
3063 qapi_free_ChardevBackendInfoList(start);
3064}
3065
b162b49a
HB		 3066void netdev_add_completion(ReadLineState *rs, int nb_args, const char *str)
3067{
3068 size_t len;
3069 int i;
3070
3071 if (nb_args != 2) {
3072 return;
3073 }
3074 len = strlen(str);
3075 readline_set_completion_index(rs, len);
f394b2e2
EB		 3076 for (i = 0; NetClientDriver_lookup[i]; i++) {
3077 add_completion_option(rs, str, NetClientDriver_lookup[i]);
b162b49a
HB		 3078 }
3079}
3080
2da1b3ab 3081void device_add_completion(ReadLineState *rs, int nb_args, const char *str)
992d3e64
HB		 3082{
3083 GSList *list, *elt;
3084 size_t len;
3085
2da1b3ab
HB		 3086 if (nb_args != 2) {
3087 return;
3088 }
3089
992d3e64
HB		 3090 len = strlen(str);
3091 readline_set_completion_index(rs, len);
3092 list = elt = object_class_get_list(TYPE_DEVICE, false);
3093 while (elt) {
3094 const char *name;
3095 DeviceClass *dc = OBJECT_CLASS_CHECK(DeviceClass, elt->data,
3096 TYPE_DEVICE);
3097 name = object_class_get_name(OBJECT_CLASS(dc));
2da1b3ab
HB		 3098
3099 if (!dc->cannot_instantiate_with_device_add_yet
3100 && !strncmp(name, str, len)) {
992d3e64
HB		 3101 readline_add_completion(rs, name);
3102 }
3103 elt = elt->next;
3104 }
3105 g_slist_free(list);
3106}
3107
bfa40f77 3108void object_add_completion(ReadLineState *rs, int nb_args, const char *str)
1094fd3a
HB		 3109{
3110 GSList *list, *elt;
3111 size_t len;
3112
bfa40f77
HB		 3113 if (nb_args != 2) {
3114 return;
3115 }
3116
1094fd3a
HB		 3117 len = strlen(str);
3118 readline_set_completion_index(rs, len);
3119 list = elt = object_class_get_list(TYPE_USER_CREATABLE, false);
3120 while (elt) {
3121 const char *name;
3122
3123 name = object_class_get_name(OBJECT_CLASS(elt->data));
3124 if (!strncmp(name, str, len) && strcmp(name, TYPE_USER_CREATABLE)) {
3125 readline_add_completion(rs, name);
3126 }
3127 elt = elt->next;
3128 }
3129 g_slist_free(list);
3130}
3131
6a1fa9f5
ZG		 3132static void peripheral_device_del_completion(ReadLineState *rs,
3133 const char *str, size_t len)
3134{
4cae4d5a
MA		 3135 Object *peripheral = container_get(qdev_get_machine(), "/peripheral");
3136 GSList *list, *item;
6a1fa9f5 3137
4cae4d5a
MA		 3138 list = qdev_build_hotpluggable_device_list(peripheral);
3139 if (!list) {
6a1fa9f5
ZG		 3140 return;
3141 }
3142
6a1fa9f5
ZG		 3143 for (item = list; item; item = g_slist_next(item)) {
3144 DeviceState *dev = item->data;
3145
3146 if (dev->id && !strncmp(str, dev->id, len)) {
3147 readline_add_completion(rs, dev->id);
3148 }
3149 }
3150
3151 g_slist_free(list);
3152}
3153
6297d9a2
HB		 3154void chardev_remove_completion(ReadLineState *rs, int nb_args, const char *str)
3155{
3156 size_t len;
3157 ChardevInfoList *list, *start;
3158
3159 if (nb_args != 2) {
3160 return;
3161 }
3162 len = strlen(str);
3163 readline_set_completion_index(rs, len);
3164
3165 start = list = qmp_query_chardev(NULL);
3166 while (list) {
3167 ChardevInfo *chr = list->value;
3168
3169 if (!strncmp(chr->label, str, len)) {
3170 readline_add_completion(rs, chr->label);
3171 }
3172 list = list->next;
3173 }
3174 qapi_free_ChardevInfoList(start);
3175}
3176
8e597779
HB		 3177static void ringbuf_completion(ReadLineState *rs, const char *str)
3178{
3179 size_t len;
3180 ChardevInfoList *list, *start;
3181
3182 len = strlen(str);
3183 readline_set_completion_index(rs, len);
3184
3185 start = list = qmp_query_chardev(NULL);
3186 while (list) {
3187 ChardevInfo *chr_info = list->value;
3188
3189 if (!strncmp(chr_info->label, str, len)) {
3190 CharDriverState *chr = qemu_chr_find(chr_info->label);
3191 if (chr && chr_is_ringbuf(chr)) {
3192 readline_add_completion(rs, chr_info->label);
3193 }
3194 }
3195 list = list->next;
3196 }
3197 qapi_free_ChardevInfoList(start);
3198}
3199
8e597779
HB		 3200void ringbuf_write_completion(ReadLineState *rs, int nb_args, const char *str)
3201{
3202 if (nb_args != 2) {
3203 return;
3204 }
3205 ringbuf_completion(rs, str);
3206}
3207
2da1b3ab
HB		 3208void device_del_completion(ReadLineState *rs, int nb_args, const char *str)
3209{
3210 size_t len;
3211
3212 if (nb_args != 2) {
3213 return;
3214 }
3215
3216 len = strlen(str);
3217 readline_set_completion_index(rs, len);
6a1fa9f5 3218 peripheral_device_del_completion(rs, str, len);
2da1b3ab
HB		 3219}
3220
bfa40f77 3221void object_del_completion(ReadLineState *rs, int nb_args, const char *str)
b48fa074
HB		 3222{
3223 ObjectPropertyInfoList *list, *start;
3224 size_t len;
3225
bfa40f77
HB		 3226 if (nb_args != 2) {
3227 return;
3228 }
b48fa074
HB		 3229 len = strlen(str);
3230 readline_set_completion_index(rs, len);
3231
3232 start = list = qmp_qom_list("/objects", NULL);
3233 while (list) {
3234 ObjectPropertyInfo *info = list->value;
3235
3236 if (!strncmp(info->type, "child<", 5)
3237 && !strncmp(info->name, str, len)) {
3238 readline_add_completion(rs, info->name);
3239 }
3240 list = list->next;
3241 }
3242 qapi_free_ObjectPropertyInfoList(start);
3243}
3244
29136cd8
HB		 3245void sendkey_completion(ReadLineState *rs, int nb_args, const char *str)
3246{
3247 int i;
3248 char *sep;
3249 size_t len;
3250
3251 if (nb_args != 2) {
3252 return;
3253 }
3254 sep = strrchr(str, '-');
3255 if (sep) {
3256 str = sep + 1;
3257 }
3258 len = strlen(str);
3259 readline_set_completion_index(rs, len);
7fb1cf16 3260 for (i = 0; i < Q_KEY_CODE__MAX; i++) {
29136cd8
HB		 3261 if (!strncmp(str, QKeyCode_lookup[i], len)) {
3262 readline_add_completion(rs, QKeyCode_lookup[i]);
3263 }
3264 }
3265}
3266
40d19394
HB		 3267void set_link_completion(ReadLineState *rs, int nb_args, const char *str)
3268{
3269 size_t len;
3270
3271 len = strlen(str);
3272 readline_set_completion_index(rs, len);
3273 if (nb_args == 2) {
eaed483c 3274 NetClientState *ncs[MAX_QUEUE_NUM];
40d19394
HB		 3275 int count, i;
3276 count = qemu_find_net_clients_except(NULL, ncs,
f394b2e2 3277 NET_CLIENT_DRIVER_NONE,
eaed483c 3278 MAX_QUEUE_NUM);
bcfa4d60 3279 for (i = 0; i < MIN(count, MAX_QUEUE_NUM); i++) {
40d19394
HB		 3280 const char *name = ncs[i]->name;
3281 if (!strncmp(str, name, len)) {
3282 readline_add_completion(rs, name);
3283 }
3284 }
3285 } else if (nb_args == 3) {
3286 add_completion_option(rs, str, "on");
3287 add_completion_option(rs, str, "off");
3288 }
3289}
3290
11b389f2
HB		 3291void netdev_del_completion(ReadLineState *rs, int nb_args, const char *str)
3292{
3293 int len, count, i;
eaed483c 3294 NetClientState *ncs[MAX_QUEUE_NUM];
11b389f2
HB		 3295
3296 if (nb_args != 2) {
3297 return;
3298 }
3299
3300 len = strlen(str);
3301 readline_set_completion_index(rs, len);
f394b2e2 3302 count = qemu_find_net_clients_except(NULL, ncs, NET_CLIENT_DRIVER_NIC,
eaed483c 3303 MAX_QUEUE_NUM);
bcfa4d60 3304 for (i = 0; i < MIN(count, MAX_QUEUE_NUM); i++) {
11b389f2
HB		 3305 QemuOpts *opts;
3306 const char *name = ncs[i]->name;
3307 if (strncmp(str, name, len)) {
3308 continue;
3309 }
3310 opts = qemu_opts_find(qemu_find_opts_err("netdev", NULL), name);
3311 if (opts) {
3312 readline_add_completion(rs, name);
3313 }
3314 }
3315}
3316
bd71211d
LV		 3317void info_trace_events_completion(ReadLineState *rs, int nb_args, const char *str)
3318{
3319 size_t len;
3320
3321 len = strlen(str);
3322 readline_set_completion_index(rs, len);
3323 if (nb_args == 2) {
3324 TraceEventID id;
3325 for (id = 0; id < trace_event_count(); id++) {
3326 const char *event_name = trace_event_get_name(trace_event_id(id));
3327 if (!strncmp(str, event_name, len)) {
3328 readline_add_completion(rs, event_name);
3329 }
3330 }
3331 }
3332}
3333
987bd270
DDAG		 3334void trace_event_completion(ReadLineState *rs, int nb_args, const char *str)
3335{
3336 size_t len;
3337
3338 len = strlen(str);
3339 readline_set_completion_index(rs, len);
3340 if (nb_args == 2) {
3341 TraceEventID id;
3342 for (id = 0; id < trace_event_count(); id++) {
3343 const char *event_name = trace_event_get_name(trace_event_id(id));
3344 if (!strncmp(str, event_name, len)) {
3345 readline_add_completion(rs, event_name);
3346 }
3347 }
3348 } else if (nb_args == 3) {
3349 add_completion_option(rs, str, "on");
3350 add_completion_option(rs, str, "off");
3351 }
3352}
3353
d0ece345
HB		 3354void watchdog_action_completion(ReadLineState *rs, int nb_args, const char *str)
3355{
4bb08af3
HB		 3356 int i;
3357
d0ece345
HB		 3358 if (nb_args != 2) {
3359 return;
3360 }
3361 readline_set_completion_index(rs, strlen(str));
4bb08af3
HB		 3362 for (i = 0; WatchdogExpirationAction_lookup[i]; i++) {
3363 add_completion_option(rs, str, WatchdogExpirationAction_lookup[i]);
3364 }
d0ece345
HB		 3365}
3366
c68a0409
HB		 3367void migrate_set_capability_completion(ReadLineState *rs, int nb_args,
3368 const char *str)
3369{
3370 size_t len;
3371
3372 len = strlen(str);
3373 readline_set_completion_index(rs, len);
3374 if (nb_args == 2) {
3375 int i;
7fb1cf16 3376 for (i = 0; i < MIGRATION_CAPABILITY__MAX; i++) {
c68a0409
HB		 3377 const char *name = MigrationCapability_lookup[i];
3378 if (!strncmp(str, name, len)) {
3379 readline_add_completion(rs, name);
3380 }
3381 }
3382 } else if (nb_args == 3) {
3383 add_completion_option(rs, str, "on");
3384 add_completion_option(rs, str, "off");
3385 }
3386}
3387
50e9a629
LL		 3388void migrate_set_parameter_completion(ReadLineState *rs, int nb_args,
3389 const char *str)
3390{
3391 size_t len;
3392
3393 len = strlen(str);
3394 readline_set_completion_index(rs, len);
3395 if (nb_args == 2) {
3396 int i;
7fb1cf16 3397 for (i = 0; i < MIGRATION_PARAMETER__MAX; i++) {
50e9a629
LL		 3398 const char *name = MigrationParameter_lookup[i];
3399 if (!strncmp(str, name, len)) {
3400 readline_add_completion(rs, name);
3401 }
3402 }
3403 }
3404}
3405
e3bb532c
HB		 3406void host_net_add_completion(ReadLineState *rs, int nb_args, const char *str)
3407{
3408 int i;
3409 size_t len;
3410 if (nb_args != 2) {
3411 return;
3412 }
3413 len = strlen(str);
3414 readline_set_completion_index(rs, len);
3415 for (i = 0; host_net_devices[i]; i++) {
3416 if (!strncmp(host_net_devices[i], str, len)) {
3417 readline_add_completion(rs, host_net_devices[i]);
3418 }
3419 }
3420}
3421
ddd6b45c
HB		 3422void host_net_remove_completion(ReadLineState *rs, int nb_args, const char *str)
3423{
eaed483c 3424 NetClientState *ncs[MAX_QUEUE_NUM];
ddd6b45c
HB		 3425 int count, i, len;
3426
3427 len = strlen(str);
3428 readline_set_completion_index(rs, len);
3429 if (nb_args == 2) {
3430 count = qemu_find_net_clients_except(NULL, ncs,
f394b2e2 3431 NET_CLIENT_DRIVER_NONE,
eaed483c 3432 MAX_QUEUE_NUM);
bcfa4d60 3433 for (i = 0; i < MIN(count, MAX_QUEUE_NUM); i++) {
ddd6b45c
HB		 3434 int id;
3435 char name[16];
3436
3437 if (net_hub_id_for_client(ncs[i], &id)) {
3438 continue;
3439 }
3440 snprintf(name, sizeof(name), "%d", id);
3441 if (!strncmp(str, name, len)) {
3442 readline_add_completion(rs, name);
3443 }
3444 }
3445 return;
3446 } else if (nb_args == 3) {
3447 count = qemu_find_net_clients_except(NULL, ncs,
f394b2e2 3448 NET_CLIENT_DRIVER_NIC,
eaed483c 3449 MAX_QUEUE_NUM);
bcfa4d60 3450 for (i = 0; i < MIN(count, MAX_QUEUE_NUM); i++) {
2c4681f5 3451 int id;
ddd6b45c
HB		 3452 const char *name;
3453
f394b2e2 3454 if (ncs[i]->info->type == NET_CLIENT_DRIVER_HUBPORT ||
2c4681f5
JW		 3455 net_hub_id_for_client(ncs[i], &id)) {
3456 continue;
3457 }
ddd6b45c
HB		 3458 name = ncs[i]->name;
3459 if (!strncmp(str, name, len)) {
3460 readline_add_completion(rs, name);
3461 }
3462 }
3463 return;
3464 }
3465}
3466
b21631f3
HB		 3467static void vm_completion(ReadLineState *rs, const char *str)
3468{
3469 size_t len;
7c8eece4 3470 BlockDriverState *bs;
88be7b4b 3471 BdrvNextIterator it;
b21631f3
HB		 3472
3473 len = strlen(str);
3474 readline_set_completion_index(rs, len);
7c8eece4 3475
88be7b4b 3476 for (bs = bdrv_first(&it); bs; bs = bdrv_next(&it)) {
b21631f3 3477 SnapshotInfoList *snapshots, *snapshot;
6bf1faa8
DL		 3478 AioContext *ctx = bdrv_get_aio_context(bs);
3479 bool ok = false;
b21631f3 3480
6bf1faa8
DL		 3481 aio_context_acquire(ctx);
3482 if (bdrv_can_snapshot(bs)) {
3483 ok = bdrv_query_snapshot_info_list(bs, &snapshots, NULL) == 0;
b21631f3 3484 }
6bf1faa8
DL		 3485 aio_context_release(ctx);
3486 if (!ok) {
b21631f3
HB		 3487 continue;
3488 }
6bf1faa8 3489
b21631f3
HB		 3490 snapshot = snapshots;
3491 while (snapshot) {
3492 char *completion = snapshot->value->name;
3493 if (!strncmp(str, completion, len)) {
3494 readline_add_completion(rs, completion);
3495 }
3496 completion = snapshot->value->id;
3497 if (!strncmp(str, completion, len)) {
3498 readline_add_completion(rs, completion);
3499 }
3500 snapshot = snapshot->next;
3501 }
3502 qapi_free_SnapshotInfoList(snapshots);
3503 }
3504
3505}
3506
3507void delvm_completion(ReadLineState *rs, int nb_args, const char *str)
3508{
3509 if (nb_args == 2) {
3510 vm_completion(rs, str);
3511 }
3512}
3513
3514void loadvm_completion(ReadLineState *rs, int nb_args, const char *str)
3515{
3516 if (nb_args == 2) {
3517 vm_completion(rs, str);
3518 }
3519}
3520
c35b6400
WX		 3521static void monitor_find_completion_by_table(Monitor *mon,
3522 const mon_cmd_t *cmd_table,
3523 char **args,
3524 int nb_args)
81d0912d
FB		 3525{
3526 const char *cmdname;
c35b6400 3527 int i;
fea68bb6 3528 const char *ptype, *str, *name;
c227f099 3529 const mon_cmd_t *cmd;
da27a00e 3530 BlockBackend *blk = NULL;
81d0912d 3531
81d0912d
FB		 3532 if (nb_args <= 1) {
3533 /* command completion */
3534 if (nb_args == 0)
3535 cmdname = "";
3536 else
3537 cmdname = args[0];
d2674b2c 3538 readline_set_completion_index(mon->rs, strlen(cmdname));
c35b6400 3539 for (cmd = cmd_table; cmd->name != NULL; cmd++) {
cd5c6bba 3540 cmd_completion(mon, cmdname, cmd->name);
81d0912d
FB		 3541 }
3542 } else {
3543 /* find the command */
c35b6400 3544 for (cmd = cmd_table; cmd->name != NULL; cmd++) {
03a63484
JK		 3545 if (compare_cmd(args[0], cmd->name)) {
3546 break;
3547 }
81d0912d 3548 }
03a63484 3549 if (!cmd->name) {
c35b6400 3550 return;
03a63484
JK		 3551 }
3552
d903a779
WX		 3553 if (cmd->sub_table) {
3554 /* do the job again */
e7ae771f
SW		 3555 monitor_find_completion_by_table(mon, cmd->sub_table,
3556 &args[1], nb_args - 1);
3557 return;
d903a779 3558 }
bfa40f77 3559 if (cmd->command_completion) {
e7ae771f
SW		 3560 cmd->command_completion(mon->rs, nb_args, args[nb_args - 1]);
3561 return;
bfa40f77 3562 }
d903a779 3563
4d76d2ba 3564 ptype = next_arg_type(cmd->args_type);
81d0912d
FB		 3565 for(i = 0; i < nb_args - 2; i++) {
3566 if (*ptype != '\0') {
4d76d2ba 3567 ptype = next_arg_type(ptype);
81d0912d 3568 while (*ptype == '?')
4d76d2ba 3569 ptype = next_arg_type(ptype);
81d0912d
FB		 3570 }
3571 }
3572 str = args[nb_args - 1];
48fe86f6 3573 while (*ptype == '-' && ptype[1] != '\0') {
3b6dbf27 3574 ptype = next_arg_type(ptype);
2a1704a7 3575 }
81d0912d
FB		 3576 switch(*ptype) {
3577 case 'F':
3578 /* file completion */
d2674b2c 3579 readline_set_completion_index(mon->rs, strlen(str));
cb8f68b1 3580 file_completion(mon, str);
81d0912d
FB		 3581 break;
3582 case 'B':
3583 /* block device name completion */
599a926a 3584 readline_set_completion_index(mon->rs, strlen(str));
da27a00e
HR		 3585 while ((blk = blk_next(blk)) != NULL) {
3586 name = blk_name(blk);
fea68bb6
MA		 3587 if (str[0] == '\0' ||
3588 !strncmp(name, str, strlen(str))) {
3589 readline_add_completion(mon->rs, name);
3590 }
3591 }
81d0912d 3592 break;
7fe48483 3593 case 's':
129be006 3594 case 'S':
29136cd8 3595 if (!strcmp(cmd->name, "help|?")) {
7ca0e061
WX		 3596 monitor_find_completion_by_table(mon, cmd_table,
3597 &args[1], nb_args - 1);
7fe48483
FB		 3598 }
3599 break;
81d0912d
FB		 3600 default:
3601 break;
3602 }
3603 }
c35b6400
WX		 3604}
3605
c60bf339 3606static void monitor_find_completion(void *opaque,
c35b6400
WX		 3607 const char *cmdline)
3608{
c60bf339 3609 Monitor *mon = opaque;
c35b6400
WX		 3610 char *args[MAX_ARGS];
3611 int nb_args, len;
3612
3613 /* 1. parse the cmdline */
3614 if (parse_cmdline(cmdline, &nb_args, args) < 0) {
3615 return;
3616 }
c35b6400
WX		 3617
3618 /* if the line ends with a space, it means we want to complete the
3619 next arg */
3620 len = strlen(cmdline);
3621 if (len > 0 && qemu_isspace(cmdline[len - 1])) {
3622 if (nb_args >= MAX_ARGS) {
3623 goto cleanup;
3624 }
3625 args[nb_args++] = g_strdup("");
3626 }
3627
3628 /* 2. auto complete according to args */
3629 monitor_find_completion_by_table(mon, mon->cmd_table, args, nb_args);
03a63484
JK		 3630
3631cleanup:
dcc70cdf 3632 free_cmdline_args(args, nb_args);
81d0912d
FB		 3633}
3634
731b0364 3635static int monitor_can_read(void *opaque)
9dc39cba 3636{
731b0364
AL		 3637 Monitor *mon = opaque;
3638
c62313bb 3639 return (mon->suspend_cnt == 0) ? 1 : 0;
9dc39cba
FB		 3640}
3641
d79bedfa 3642static bool invalid_qmp_mode(const Monitor *mon, const char *cmd,
4086182f 3643 Error **errp)
5fa737a4 3644{
d79bedfa 3645 bool is_cap = g_str_equal(cmd, "qmp_capabilities");
f994b258
MA		 3646
3647 if (is_cap && mon->qmp.in_command_mode) {
4086182f
MA		 3648 error_set(errp, ERROR_CLASS_COMMAND_NOT_FOUND,
3649 "Capabilities negotiation is already complete, command "
d79bedfa 3650 "'%s' ignored", cmd);
2d5a8346
EB		 3651 return true;
3652 }
f994b258 3653 if (!is_cap && !mon->qmp.in_command_mode) {
4086182f
MA		 3654 error_set(errp, ERROR_CLASS_COMMAND_NOT_FOUND,
3655 "Expecting capabilities negotiation with "
d79bedfa 3656 "'qmp_capabilities' before command '%s'", cmd);
2d5a8346
EB		 3657 return true;
3658 }
3659 return false;
5fa737a4
LC		 3660}
3661
5fa737a4 3662/*
c917c8f3 3663 * Input object checking rules
5fa737a4 3664 *
c917c8f3
LC		 3665 * 1. Input object must be a dict
3666 * 2. The "execute" key must exist
3667 * 3. The "execute" key must be a string
3668 * 4. If the "arguments" key exists, it must be a dict
3669 * 5. If the "id" key exists, it can be anything (ie. json-value)
3670 * 6. Any argument not listed above is considered invalid
5fa737a4 3671 */
ba0510aa 3672static QDict *qmp_check_input_obj(QObject *input_obj, Error **errp)
5fa737a4 3673{
c917c8f3
LC		 3674 const QDictEntry *ent;
3675 int has_exec_key = 0;
3676 QDict *input_dict;
5fa737a4 3677
c917c8f3 3678 if (qobject_type(input_obj) != QTYPE_QDICT) {
c6bd8c70 3679 error_setg(errp, QERR_QMP_BAD_INPUT_OBJECT, "object");
c917c8f3 3680 return NULL;
5fa737a4
LC		 3681 }
3682
c917c8f3 3683 input_dict = qobject_to_qdict(input_obj);
5fa737a4 3684
c917c8f3
LC		 3685 for (ent = qdict_first(input_dict); ent; ent = qdict_next(input_dict, ent)){
3686 const char *arg_name = qdict_entry_key(ent);
3687 const QObject *arg_obj = qdict_entry_value(ent);
5fa737a4 3688
c917c8f3
LC		 3689 if (!strcmp(arg_name, "execute")) {
3690 if (qobject_type(arg_obj) != QTYPE_QSTRING) {
c6bd8c70
MA		 3691 error_setg(errp, QERR_QMP_BAD_INPUT_OBJECT_MEMBER,
3692 "execute", "string");
c917c8f3 3693 return NULL;
361127df 3694 }
c917c8f3
LC		 3695 has_exec_key = 1;
3696 } else if (!strcmp(arg_name, "arguments")) {
3697 if (qobject_type(arg_obj) != QTYPE_QDICT) {
c6bd8c70
MA		 3698 error_setg(errp, QERR_QMP_BAD_INPUT_OBJECT_MEMBER,
3699 "arguments", "object");
c917c8f3 3700 return NULL;
5fa737a4 3701 }
779cec4d
MA		 3702 } else if (!strcmp(arg_name, "id")) {
3703 /* Any string is acceptable as "id", so nothing to check */
5fa737a4 3704 } else {
c6bd8c70 3705 error_setg(errp, QERR_QMP_EXTRA_MEMBER, arg_name);
c917c8f3 3706 return NULL;
5fa737a4
LC		 3707 }
3708 }
3709
c917c8f3 3710 if (!has_exec_key) {
c6bd8c70 3711 error_setg(errp, QERR_QMP_BAD_INPUT_OBJECT, "execute");
c917c8f3
LC		 3712 return NULL;
3713 }
5fa737a4 3714
c917c8f3 3715 return input_dict;
09069b19
LC		 3716}
3717
95385fe9 3718static void handle_qmp_command(JSONMessageParser *parser, GQueue *tokens)
5fa737a4 3719{
5c678ee8
MAL		 3720 QObject *req, *rsp = NULL, *id = NULL;
3721 QDict *qdict = NULL;
40e5a01d 3722 const char *cmd_name;
5fa737a4 3723 Monitor *mon = cur_mon;
5c678ee8 3724 Error *err = NULL;
5fa737a4 3725
5c678ee8
MAL		 3726 req = json_parser_parse_err(tokens, NULL, &err);
3727 if (err || !req || qobject_type(req) != QTYPE_QDICT) {
3728 if (!err) {
3729 error_setg(&err, QERR_JSON_PARSING);
3730 }
5fa737a4 3731 goto err_out;
5fa737a4
LC		 3732 }
3733
5c678ee8
MAL		 3734 qdict = qmp_check_input_obj(req, &err);
3735 if (!qdict) {
5fa737a4
LC		 3736 goto err_out;
3737 }
3738
5c678ee8
MAL		 3739 id = qdict_get(qdict, "id");
3740 qobject_incref(id);
3741 qdict_del(qdict, "id");
5fa737a4 3742
5c678ee8 3743 cmd_name = qdict_get_str(qdict, "execute");
89bd820a 3744 trace_handle_qmp_command(mon, cmd_name);
5c678ee8
MAL		 3745
3746 if (invalid_qmp_mode(mon, cmd_name, &err)) {
2d5a8346
EB		 3747 goto err_out;
3748 }
5fa737a4 3749
5c678ee8 3750 rsp = qmp_dispatch(req);
5fa737a4 3751
5c678ee8
MAL		 3752err_out:
3753 if (err) {
3754 qdict = qdict_new();
3755 qdict_put_obj(qdict, "error", qmp_build_error_object(err));
3756 error_free(err);
3757 rsp = QOBJECT(qdict);
5fa737a4
LC		 3758 }
3759
5c678ee8
MAL		 3760 if (rsp) {
3761 if (id) {
3762 qdict_put_obj(qobject_to_qdict(rsp), "id", id);
3763 id = NULL;
3764 }
5fa737a4 3765
5c678ee8
MAL		 3766 monitor_json_emitter(mon, rsp);
3767 }
3768
3769 qobject_decref(id);
3770 qobject_decref(rsp);
3771 qobject_decref(req);
5fa737a4
LC		 3772}
3773
c83fe23b 3774static void monitor_qmp_read(void *opaque, const uint8_t *buf, int size)
9b57c02e
LC		 3775{
3776 Monitor *old_mon = cur_mon;
3777
3778 cur_mon = opaque;
3779
74358f2a 3780 json_message_parser_feed(&cur_mon->qmp.parser, (const char *) buf, size);
9b57c02e
LC		 3781
3782 cur_mon = old_mon;
3783}
3784
731b0364 3785static void monitor_read(void *opaque, const uint8_t *buf, int size)
9dc39cba 3786{
731b0364 3787 Monitor *old_mon = cur_mon;
7e2515e8 3788 int i;
376253ec 3789
731b0364
AL		 3790 cur_mon = opaque;
3791
cde76ee1
AL		 3792 if (cur_mon->rs) {
3793 for (i = 0; i < size; i++)
3794 readline_handle_byte(cur_mon->rs, buf[i]);
3795 } else {
3796 if (size == 0 || buf[size - 1] != 0)
3797 monitor_printf(cur_mon, "corrupted command\n");
3798 else
7ef6cf63 3799 handle_hmp_command(cur_mon, (char *)buf);
cde76ee1 3800 }
9dc39cba 3801
731b0364
AL		 3802 cur_mon = old_mon;
3803}
d8f44609 3804
c60bf339
SH		 3805static void monitor_command_cb(void *opaque, const char *cmdline,
3806 void *readline_opaque)
aa455485 3807{
c60bf339
SH		 3808 Monitor *mon = opaque;
3809
731b0364 3810 monitor_suspend(mon);
7ef6cf63 3811 handle_hmp_command(mon, cmdline);
731b0364 3812 monitor_resume(mon);
d8f44609
AL		 3813}
3814
cde76ee1 3815int monitor_suspend(Monitor *mon)
d8f44609 3816{
cde76ee1
AL		 3817 if (!mon->rs)
3818 return -ENOTTY;
731b0364 3819 mon->suspend_cnt++;
cde76ee1 3820 return 0;
d8f44609
AL		 3821}
3822
376253ec 3823void monitor_resume(Monitor *mon)
d8f44609 3824{
cde76ee1
AL		 3825 if (!mon->rs)
3826 return;
731b0364
AL		 3827 if (--mon->suspend_cnt == 0)
3828 readline_show_prompt(mon->rs);
aa455485
FB		 3829}
3830
ca9567e2
LC		 3831static QObject *get_qmp_greeting(void)
3832{
b9c15f16 3833 QObject *ver = NULL;
ca9567e2 3834
7fad30f0 3835 qmp_marshal_query_version(NULL, &ver, NULL);
c823501e
MAL		 3836
3837 return qobject_from_jsonf("{'QMP': {'version': %p, 'capabilities': []}}",
3838 ver);
ca9567e2
LC		 3839}
3840
c83fe23b 3841static void monitor_qmp_event(void *opaque, int event)
9b57c02e 3842{
47116d1c
LC		 3843 QObject *data;
3844 Monitor *mon = opaque;
9b57c02e 3845
47116d1c
LC		 3846 switch (event) {
3847 case CHR_EVENT_OPENED:
f994b258 3848 mon->qmp.in_command_mode = false;
ca9567e2 3849 data = get_qmp_greeting();
9b57c02e
LC		 3850 monitor_json_emitter(mon, data);
3851 qobject_decref(data);
efb87c16 3852 mon_refcount++;
47116d1c
LC		 3853 break;
3854 case CHR_EVENT_CLOSED:
74358f2a
MA		 3855 json_message_parser_destroy(&mon->qmp.parser);
3856 json_message_parser_init(&mon->qmp.parser, handle_qmp_command);
efb87c16
CB		 3857 mon_refcount--;
3858 monitor_fdsets_cleanup();
47116d1c 3859 break;
9b57c02e
LC		 3860 }
3861}
3862
731b0364 3863static void monitor_event(void *opaque, int event)
86e94dea 3864{
376253ec
AL		 3865 Monitor *mon = opaque;
3866
2724b180
AL		 3867 switch (event) {
3868 case CHR_EVENT_MUX_IN:
6cff3e85 3869 qemu_mutex_lock(&mon->out_lock);
a7aec5da 3870 mon->mux_out = 0;
6cff3e85 3871 qemu_mutex_unlock(&mon->out_lock);
a7aec5da
GH		 3872 if (mon->reset_seen) {
3873 readline_restart(mon->rs);
3874 monitor_resume(mon);
3875 monitor_flush(mon);
3876 } else {
3877 mon->suspend_cnt = 0;
3878 }
2724b180
AL		 3879 break;
3880
3881 case CHR_EVENT_MUX_OUT:
a7aec5da
GH		 3882 if (mon->reset_seen) {
3883 if (mon->suspend_cnt == 0) {
3884 monitor_printf(mon, "\n");
3885 }
3886 monitor_flush(mon);
3887 monitor_suspend(mon);
3888 } else {
3889 mon->suspend_cnt++;
3890 }
6cff3e85 3891 qemu_mutex_lock(&mon->out_lock);
a7aec5da 3892 mon->mux_out = 1;
6cff3e85 3893 qemu_mutex_unlock(&mon->out_lock);
2724b180 3894 break;
86e94dea 3895
b6b8df56 3896 case CHR_EVENT_OPENED:
2724b180
AL		 3897 monitor_printf(mon, "QEMU %s monitor - type 'help' for more "
3898 "information\n", QEMU_VERSION);
a7aec5da 3899 if (!mon->mux_out) {
e5554e20 3900 readline_restart(mon->rs);
2724b180 3901 readline_show_prompt(mon->rs);
a7aec5da
GH		 3902 }
3903 mon->reset_seen = 1;
efb87c16
CB		 3904 mon_refcount++;
3905 break;
3906
3907 case CHR_EVENT_CLOSED:
3908 mon_refcount--;
3909 monitor_fdsets_cleanup();
2724b180
AL		 3910 break;
3911 }
86e94dea
TS		 3912}
3913
816f8925
WX		 3914static int
3915compare_mon_cmd(const void *a, const void *b)
3916{
3917 return strcmp(((const mon_cmd_t *)a)->name,
3918 ((const mon_cmd_t *)b)->name);
3919}
3920
3921static void sortcmdlist(void)
3922{
3923 int array_num;
3924 int elem_size = sizeof(mon_cmd_t);
3925
3926 array_num = sizeof(mon_cmds)/elem_size-1;
3927 qsort((void *)mon_cmds, array_num, elem_size, compare_mon_cmd);
3928
3929 array_num = sizeof(info_cmds)/elem_size-1;
3930 qsort((void *)info_cmds, array_num, elem_size, compare_mon_cmd);
3931}
3932
c60bf339
SH		 3933/* These functions just adapt the readline interface in a typesafe way. We
3934 * could cast function pointers but that discards compiler checks.
3935 */
d5d1507b
SW		 3936static void GCC_FMT_ATTR(2, 3) monitor_readline_printf(void *opaque,
3937 const char *fmt, ...)
c60bf339
SH		 3938{
3939 va_list ap;
3940 va_start(ap, fmt);
3941 monitor_vprintf(opaque, fmt, ap);
3942 va_end(ap);
3943}
3944
3945static void monitor_readline_flush(void *opaque)
3946{
3947 monitor_flush(opaque);
3948}
3949
d622cb58
PB		 3950static void __attribute__((constructor)) monitor_lock_init(void)
3951{
3952 qemu_mutex_init(&monitor_lock);
3953}
3954
731b0364 3955void monitor_init(CharDriverState *chr, int flags)
aa455485 3956{
731b0364 3957 static int is_first_init = 1;
87127161 3958 Monitor *mon;
20d8a3ed
TS		 3959
3960 if (is_first_init) {
43a14cfc 3961 monitor_qapi_event_init();
d038317c 3962 sortcmdlist();
20d8a3ed
TS		 3963 is_first_init = 0;
3964 }
87127161 3965
b01fe89e
WX		 3966 mon = g_malloc(sizeof(*mon));
3967 monitor_data_init(mon);
20d8a3ed 3968
87127161 3969 mon->chr = chr;
731b0364 3970 mon->flags = flags;
cde76ee1 3971 if (flags & MONITOR_USE_READLINE) {
c60bf339
SH		 3972 mon->rs = readline_init(monitor_readline_printf,
3973 monitor_readline_flush,
3974 mon,
3975 monitor_find_completion);
cde76ee1
AL		 3976 monitor_read_command(mon, 0);
3977 }
87127161 3978
9f3982f2 3979 if (monitor_is_qmp(mon)) {
c83fe23b
MA		 3980 qemu_chr_add_handlers(chr, monitor_can_read, monitor_qmp_read,
3981 monitor_qmp_event, mon);
15f31519 3982 qemu_chr_fe_set_echo(chr, true);
74358f2a 3983 json_message_parser_init(&mon->qmp.parser, handle_qmp_command);
9b57c02e
LC		 3984 } else {
3985 qemu_chr_add_handlers(chr, monitor_can_read, monitor_read,
3986 monitor_event, mon);
3987 }
87127161 3988
d622cb58 3989 qemu_mutex_lock(&monitor_lock);
72cf2d4f 3990 QLIST_INSERT_HEAD(&mon_list, mon, entry);
d622cb58 3991 qemu_mutex_unlock(&monitor_lock);
aa455485
FB		 3992}
3993
2ef45716
MAL		 3994void monitor_cleanup(void)
3995{
3996 Monitor *mon, *next;
3997
3998 qemu_mutex_lock(&monitor_lock);
3999 QLIST_FOREACH_SAFE(mon, &mon_list, entry, next) {
4000 QLIST_REMOVE(mon, entry);
4001 monitor_data_destroy(mon);
4002 g_free(mon);
4003 }
4004 qemu_mutex_unlock(&monitor_lock);
4005}
4006
c60bf339
SH		 4007static void bdrv_password_cb(void *opaque, const char *password,
4008 void *readline_opaque)
81d0912d 4009{
c60bf339
SH		 4010 Monitor *mon = opaque;
4011 BlockDriverState *bs = readline_opaque;
bb5fc20f 4012 int ret = 0;
4d2855a3 4013 Error *local_err = NULL;
81d0912d 4014
4d2855a3
MA		 4015 bdrv_add_key(bs, password, &local_err);
4016 if (local_err) {
193227f9 4017 error_report_err(local_err);
bb5fc20f 4018 ret = -EPERM;
9dc39cba 4019 }
731b0364
AL		 4020 if (mon->password_completion_cb)
4021 mon->password_completion_cb(mon->password_opaque, ret);
bb5fc20f 4022
731b0364 4023 monitor_read_command(mon, 1);
9dc39cba 4024}
c0f4ce77 4025
0bbc47bb 4026int monitor_read_bdrv_key_start(Monitor *mon, BlockDriverState *bs,
097310b5 4027 BlockCompletionFunc *completion_cb,
0bbc47bb 4028 void *opaque)
c0f4ce77 4029{
cde76ee1
AL		 4030 int err;
4031
376253ec
AL		 4032 monitor_printf(mon, "%s (%s) is encrypted.\n", bdrv_get_device_name(bs),
4033 bdrv_get_encrypted_filename(bs));
bb5fc20f 4034
731b0364
AL		 4035 mon->password_completion_cb = completion_cb;
4036 mon->password_opaque = opaque;
bb5fc20f 4037
cde76ee1
AL		 4038 err = monitor_read_password(mon, bdrv_password_cb, bs);
4039
4040 if (err && completion_cb)
4041 completion_cb(opaque, err);
0bbc47bb
LC		 4042
4043 return err;
c0f4ce77 4044}
e42e818b
LC		 4045
4046int monitor_read_block_device_key(Monitor *mon, const char *device,
097310b5 4047 BlockCompletionFunc *completion_cb,
e42e818b
LC		 4048 void *opaque)
4049{
9b14e0ef 4050 Error *err = NULL;
5560625b 4051 BlockBackend *blk;
e42e818b 4052
5560625b
FZ		 4053 blk = blk_by_name(device);
4054 if (!blk) {
e42e818b
LC		 4055 monitor_printf(mon, "Device not found %s\n", device);
4056 return -1;
4057 }
5433c24f
HR		 4058 if (!blk_bs(blk)) {
4059 monitor_printf(mon, "Device '%s' has no medium\n", device);
4060 return -1;
4061 }
e42e818b 4062
9b14e0ef
MA		 4063 bdrv_add_key(blk_bs(blk), NULL, &err);
4064 if (err) {
4065 error_free(err);
4066 return monitor_read_bdrv_key_start(mon, blk_bs(blk), completion_cb, opaque);
4067 }
4068
4069 if (completion_cb) {
4070 completion_cb(opaque, 0);
4071 }
4072 return 0;
e42e818b 4073}
4d454574
PB		 4074
4075QemuOptsList qemu_mon_opts = {
4076 .name = "mon",
4077 .implied_opt_name = "chardev",
4078 .head = QTAILQ_HEAD_INITIALIZER(qemu_mon_opts.head),
4079 .desc = {
4080 {
4081 .name = "mode",
4082 .type = QEMU_OPT_STRING,
4083 },{
4084 .name = "chardev",
4085 .type = QEMU_OPT_STRING,
4086 },{
4087 .name = "default",
4088 .type = QEMU_OPT_BOOL,
4089 },{
4090 .name = "pretty",
4091 .type = QEMU_OPT_BOOL,
4092 },
4093 { /* end of list */ }
4094 },
4095};
f2ae8abf
MT		 4096
4097#ifndef TARGET_I386
4098void qmp_rtc_reset_reinjection(Error **errp)
4099{
c6bd8c70 4100 error_setg(errp, QERR_FEATURE_DISABLED, "rtc-reset-reinjection");
f2ae8abf
MT		 4101}
4102#endif
7ee0c3e3
JH		 4103
4104#ifndef TARGET_S390X
4105void qmp_dump_skeys(const char *filename, Error **errp)
4106{
4107 error_setg(errp, QERR_FEATURE_DISABLED, "dump-skeys");
4108}
4109#endif
ae50a770
PX		 4110
4111#ifndef TARGET_ARM
4112GICCapabilityList *qmp_query_gic_capabilities(Error **errp)
4113{
4114 error_setg(errp, QERR_FEATURE_DISABLED, "query-gic-capabilities");
4115 return NULL;
4116}
4117#endif
d4633541
IM		 4118
4119HotpluggableCPUList *qmp_query_hotpluggable_cpus(Error **errp)
4120{
4121 MachineState *ms = MACHINE(qdev_get_machine());
4122 MachineClass *mc = MACHINE_GET_CLASS(ms);
4123
4124 if (!mc->query_hotpluggable_cpus) {
4125 error_setg(errp, QERR_FEATURE_DISABLED, "query-hotpluggable-cpus");
4126 return NULL;
4127 }
4128
4129 return mc->query_hotpluggable_cpus(ms);
4130}
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