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