]>
Commit | Line | Data |
---|---|---|
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 | */ | |
e688df6b | 24 | |
d38ea87a | 25 | #include "qemu/osdep.h" |
511d2b14 | 26 | #include <dirent.h> |
33c11879 | 27 | #include "cpu.h" |
87ecb68b | 28 | #include "hw/hw.h" |
b4a42f81 | 29 | #include "monitor/qdev.h" |
87ecb68b | 30 | #include "hw/usb.h" |
a2cb15b0 | 31 | #include "hw/pci/pci.h" |
0d09e41a | 32 | #include "sysemu/watchdog.h" |
45a50b16 | 33 | #include "hw/loader.h" |
022c62cb | 34 | #include "exec/gdbstub.h" |
1422e32d | 35 | #include "net/net.h" |
68ac40d2 | 36 | #include "net/slirp.h" |
4d43a603 | 37 | #include "chardev/char-fe.h" |
a5ed3525 | 38 | #include "chardev/char-io.h" |
be933ffc | 39 | #include "chardev/char-mux.h" |
7572150c | 40 | #include "ui/qemu-spice.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" |
da27a00e | 47 | #include "sysemu/block-backend.h" |
87ecb68b | 48 | #include "audio/audio.h" |
76cad711 | 49 | #include "disas/disas.h" |
9c17d615 | 50 | #include "sysemu/balloon.h" |
1de7afc9 | 51 | #include "qemu/timer.h" |
b3946626 | 52 | #include "sysemu/hw_accel.h" |
1de7afc9 | 53 | #include "qemu/acl.h" |
bdee56f5 | 54 | #include "sysemu/tpm.h" |
452fcdbc | 55 | #include "qapi/qmp/qdict.h" |
cc7a8ea7 | 56 | #include "qapi/qmp/qerror.h" |
15280c36 | 57 | #include "qapi/qmp/qnum.h" |
fc81fa1e | 58 | #include "qapi/qmp/qstring.h" |
7b1b5d19 PB |
59 | #include "qapi/qmp/qjson.h" |
60 | #include "qapi/qmp/json-streamer.h" | |
61 | #include "qapi/qmp/json-parser.h" | |
02130314 | 62 | #include "qapi/qmp/qlist.h" |
a9c94277 | 63 | #include "qom/object_interfaces.h" |
0ab8ed18 | 64 | #include "trace-root.h" |
31965ae2 | 65 | #include "trace/control.h" |
bf957284 | 66 | #include "monitor/hmp-target.h" |
6d8a764e | 67 | #ifdef CONFIG_TRACE_SIMPLE |
31965ae2 | 68 | #include "trace/simple.h" |
22890ab5 | 69 | #endif |
022c62cb | 70 | #include "exec/memory.h" |
63c91552 | 71 | #include "exec/exec-all.h" |
03dd024f | 72 | #include "qemu/log.h" |
922a01a0 | 73 | #include "qemu/option.h" |
48a32bed | 74 | #include "hmp.h" |
1de7afc9 | 75 | #include "qemu/thread.h" |
b21631f3 | 76 | #include "block/qapi.h" |
eb815e24 MA |
77 | #include "qapi/qapi-commands.h" |
78 | #include "qapi/qapi-events.h" | |
e688df6b | 79 | #include "qapi/error.h" |
43a14cfc | 80 | #include "qapi/qmp-event.h" |
eb815e24 | 81 | #include "qapi/qapi-introspect.h" |
dc599978 | 82 | #include "sysemu/qtest.h" |
d2528bdc | 83 | #include "sysemu/cpus.h" |
a5ed3525 | 84 | #include "sysemu/iothread.h" |
f348b6d1 | 85 | #include "qemu/cutils.h" |
6a5bd307 | 86 | |
a4538a5c JH |
87 | #if defined(TARGET_S390X) |
88 | #include "hw/s390x/storage-keys.h" | |
f860d497 | 89 | #include "hw/s390x/storage-attributes.h" |
a4538a5c JH |
90 | #endif |
91 | ||
9307c4c1 FB |
92 | /* |
93 | * Supported types: | |
5fafdf24 | 94 | * |
9307c4c1 | 95 | * 'F' filename |
81d0912d | 96 | * 'B' block device name |
9307c4c1 | 97 | * 's' string (accept optional quote) |
129be006 | 98 | * 'S' it just appends the rest of the string (accept optional quote) |
361127df MA |
99 | * 'O' option string of the form NAME=VALUE,... |
100 | * parsed according to QemuOptsList given by its name | |
101 | * Example: 'device:O' uses qemu_device_opts. | |
102 | * Restriction: only lists with empty desc are supported | |
103 | * TODO lift the restriction | |
92a31b1f FB |
104 | * 'i' 32 bit integer |
105 | * 'l' target long (32 or 64 bit) | |
91162849 LC |
106 | * 'M' Non-negative target long (32 or 64 bit), in user mode the |
107 | * value is multiplied by 2^20 (think Mebibyte) | |
dbc0c67f | 108 | * 'o' octets (aka bytes) |
5e00984a KW |
109 | * user mode accepts an optional E, e, P, p, T, t, G, g, M, m, |
110 | * K, k suffix, which multiplies the value by 2^60 for suffixes E | |
111 | * and e, 2^50 for suffixes P and p, 2^40 for suffixes T and t, | |
112 | * 2^30 for suffixes G and g, 2^20 for M and m, 2^10 for K and k | |
fccfb11e MA |
113 | * 'T' double |
114 | * user mode accepts an optional ms, us, ns suffix, | |
115 | * which divides the value by 1e3, 1e6, 1e9, respectively | |
9307c4c1 FB |
116 | * '/' optional gdb-like print format (like "/10x") |
117 | * | |
fb46660e LC |
118 | * '?' optional type (for all types, except '/') |
119 | * '.' other form of optional type (for 'i' and 'l') | |
942cd1f2 MA |
120 | * 'b' boolean |
121 | * user mode accepts "on" or "off" | |
fb46660e | 122 | * '-' optional parameter (eg. '-f') |
9307c4c1 FB |
123 | * |
124 | */ | |
125 | ||
c227f099 | 126 | typedef struct mon_cmd_t { |
9dc39cba | 127 | const char *name; |
9307c4c1 | 128 | const char *args_type; |
9dc39cba FB |
129 | const char *params; |
130 | const char *help; | |
c3120f71 | 131 | const char *flags; /* p=preconfig */ |
2b9e3576 MAL |
132 | void (*cmd)(Monitor *mon, const QDict *qdict); |
133 | /* @sub_table is a list of 2nd level of commands. If it does not exist, | |
134 | * cmd should be used. If it exists, sub_table[?].cmd should be | |
135 | * used, and cmd of 1st level plays the role of help function. | |
5f3d335f WX |
136 | */ |
137 | struct mon_cmd_t *sub_table; | |
bfa40f77 | 138 | void (*command_completion)(ReadLineState *rs, int nb_args, const char *str); |
c227f099 | 139 | } mon_cmd_t; |
9dc39cba | 140 | |
f07918fd | 141 | /* file descriptors passed via SCM_RIGHTS */ |
c227f099 AL |
142 | typedef struct mon_fd_t mon_fd_t; |
143 | struct mon_fd_t { | |
f07918fd MM |
144 | char *name; |
145 | int fd; | |
c227f099 | 146 | QLIST_ENTRY(mon_fd_t) next; |
f07918fd MM |
147 | }; |
148 | ||
ba1c048a CB |
149 | /* file descriptor associated with a file descriptor set */ |
150 | typedef struct MonFdsetFd MonFdsetFd; | |
151 | struct MonFdsetFd { | |
152 | int fd; | |
153 | bool removed; | |
154 | char *opaque; | |
155 | QLIST_ENTRY(MonFdsetFd) next; | |
156 | }; | |
157 | ||
158 | /* file descriptor set containing fds passed via SCM_RIGHTS */ | |
159 | typedef struct MonFdset MonFdset; | |
160 | struct MonFdset { | |
161 | int64_t id; | |
162 | QLIST_HEAD(, MonFdsetFd) fds; | |
adb696f3 | 163 | QLIST_HEAD(, MonFdsetFd) dup_fds; |
ba1c048a CB |
164 | QLIST_ENTRY(MonFdset) next; |
165 | }; | |
166 | ||
74358f2a | 167 | typedef struct { |
5fa737a4 | 168 | JSONMessageParser parser; |
f994b258 MA |
169 | /* |
170 | * When a client connects, we're in capabilities negotiation mode. | |
171 | * When command qmp_capabilities succeeds, we go into command | |
172 | * mode. | |
173 | */ | |
635db18f | 174 | QmpCommandList *commands; |
02130314 | 175 | bool qmp_caps[QMP_CAPABILITY__MAX]; |
71da4667 PX |
176 | /* |
177 | * Protects qmp request/response queue. Please take monitor_lock | |
178 | * first when used together. | |
179 | */ | |
180 | QemuMutex qmp_queue_lock; | |
181 | /* Input queue that holds all the parsed QMP requests */ | |
182 | GQueue *qmp_requests; | |
abe3cd0f PX |
183 | /* Output queue contains all the QMP responses in order */ |
184 | GQueue *qmp_responses; | |
74358f2a | 185 | } MonitorQMP; |
5fa737a4 | 186 | |
afeecec2 DB |
187 | /* |
188 | * To prevent flooding clients, events can be throttled. The | |
189 | * throttling is calculated globally, rather than per-Monitor | |
190 | * instance. | |
191 | */ | |
43a14cfc | 192 | typedef struct MonitorQAPIEventState { |
7de0be65 MA |
193 | QAPIEvent event; /* Throttling state for this event type and... */ |
194 | QDict *data; /* ... data, see qapi_event_throttle_equal() */ | |
afeecec2 | 195 | QEMUTimer *timer; /* Timer for handling delayed events */ |
688b4b7d | 196 | QDict *qdict; /* Delayed event (if any) */ |
43a14cfc | 197 | } MonitorQAPIEventState; |
afeecec2 | 198 | |
b9b03ab0 MA |
199 | typedef struct { |
200 | int64_t rate; /* Minimum time (in ns) between two events */ | |
201 | } MonitorQAPIEventConf; | |
202 | ||
87127161 | 203 | struct Monitor { |
32a6ebec | 204 | CharBackend chr; |
a7aec5da | 205 | int reset_seen; |
731b0364 | 206 | int flags; |
df152fb9 | 207 | int suspend_cnt; /* Needs to be accessed atomically */ |
48c043d0 | 208 | bool skip_flush; |
a5ed3525 | 209 | bool use_io_thr; |
d9f25280 PX |
210 | |
211 | /* | |
212 | * State used only in the thread "owning" the monitor. | |
213 | * If @use_io_thr, this is mon_global.mon_iothread. | |
214 | * Else, it's the main thread. | |
215 | * These members can be safely accessed without locks. | |
216 | */ | |
731b0364 | 217 | ReadLineState *rs; |
d9f25280 | 218 | |
74358f2a | 219 | MonitorQMP qmp; |
751f8cfe | 220 | gchar *mon_cpu_path; |
097310b5 | 221 | BlockCompletionFunc *password_completion_cb; |
731b0364 | 222 | void *password_opaque; |
7717239d | 223 | mon_cmd_t *cmd_table; |
238d9f34 | 224 | QTAILQ_ENTRY(Monitor) entry; |
dc7cbcd8 PX |
225 | |
226 | /* | |
227 | * The per-monitor lock. We can't access guest memory when holding | |
228 | * the lock. | |
229 | */ | |
230 | QemuMutex mon_lock; | |
231 | ||
232 | /* | |
233 | * Fields that are protected by the per-monitor lock. | |
234 | */ | |
9409fc05 | 235 | QLIST_HEAD(, mon_fd_t) fds; |
dc7cbcd8 PX |
236 | QString *outbuf; |
237 | guint out_watch; | |
238 | /* Read under either BQL or mon_lock, written with BQL+mon_lock. */ | |
239 | int mux_out; | |
87127161 AL |
240 | }; |
241 | ||
a5ed3525 PX |
242 | /* Let's add monitor global variables to this struct. */ |
243 | static struct { | |
244 | IOThread *mon_iothread; | |
71da4667 PX |
245 | /* Bottom half to dispatch the requests received from IO thread */ |
246 | QEMUBH *qmp_dispatcher_bh; | |
abe3cd0f PX |
247 | /* Bottom half to deliver the responses back to clients */ |
248 | QEMUBH *qmp_respond_bh; | |
a5ed3525 PX |
249 | } mon_global; |
250 | ||
6d2d563f PX |
251 | struct QMPRequest { |
252 | /* Owner of the request */ | |
253 | Monitor *mon; | |
254 | /* "id" field of the request */ | |
255 | QObject *id; | |
256 | /* Request object to be handled */ | |
257 | QObject *req; | |
258 | /* | |
259 | * Whether we need to resume the monitor afterward. This flag is | |
260 | * used to emulate the old QMP server behavior that the current | |
261 | * command must be completed before execution of the next one. | |
262 | */ | |
263 | bool need_resume; | |
264 | }; | |
265 | typedef struct QMPRequest QMPRequest; | |
266 | ||
2dbc8db0 LC |
267 | /* QMP checker flags */ |
268 | #define QMP_ACCEPT_UNKNOWNS 1 | |
269 | ||
095cb1bf | 270 | /* Protects mon_list, monitor_qapi_event_state. */ |
d622cb58 | 271 | static QemuMutex monitor_lock; |
095cb1bf | 272 | static GHashTable *monitor_qapi_event_state; |
238d9f34 | 273 | static QTAILQ_HEAD(mon_list, Monitor) mon_list; |
095cb1bf | 274 | |
47451466 PX |
275 | /* Protects mon_fdsets */ |
276 | static QemuMutex mon_fdsets_lock; | |
ba1c048a | 277 | static QLIST_HEAD(mon_fdsets, MonFdset) mon_fdsets; |
47451466 | 278 | |
efb87c16 | 279 | static int mon_refcount; |
7e2515e8 | 280 | |
816f8925 WX |
281 | static mon_cmd_t mon_cmds[]; |
282 | static mon_cmd_t info_cmds[]; | |
9dc39cba | 283 | |
635db18f | 284 | QmpCommandList qmp_commands, qmp_cap_negotiation_commands; |
1527badb | 285 | |
8631b608 | 286 | Monitor *cur_mon; |
376253ec | 287 | |
c60bf339 SH |
288 | static void monitor_command_cb(void *opaque, const char *cmdline, |
289 | void *readline_opaque); | |
83ab7950 | 290 | |
9f3982f2 MA |
291 | /** |
292 | * Is @mon a QMP monitor? | |
293 | */ | |
294 | static inline bool monitor_is_qmp(const Monitor *mon) | |
418173c7 LC |
295 | { |
296 | return (mon->flags & MONITOR_USE_CONTROL); | |
297 | } | |
298 | ||
e3e977d4 PX |
299 | /** |
300 | * Whether @mon is using readline? Note: not all HMP monitors use | |
301 | * readline, e.g., gdbserver has a non-interactive HMP monitor, so | |
302 | * readline is not used there. | |
303 | */ | |
304 | static inline bool monitor_uses_readline(const Monitor *mon) | |
305 | { | |
306 | return mon->flags & MONITOR_USE_READLINE; | |
307 | } | |
308 | ||
309 | static inline bool monitor_is_hmp_non_interactive(const Monitor *mon) | |
310 | { | |
311 | return !monitor_is_qmp(mon) && !monitor_uses_readline(mon); | |
312 | } | |
313 | ||
6e8c5f4d PX |
314 | /* |
315 | * Return the clock to use for recording an event's time. | |
316 | * Beware: result is invalid before configure_accelerator(). | |
317 | */ | |
318 | static inline QEMUClockType monitor_get_event_clock(void) | |
319 | { | |
320 | /* | |
321 | * This allows us to perform tests on the monitor queues to verify | |
322 | * that the rate limits are enforced. | |
323 | */ | |
324 | return qtest_enabled() ? QEMU_CLOCK_VIRTUAL : QEMU_CLOCK_REALTIME; | |
325 | } | |
326 | ||
489653b5 MA |
327 | /** |
328 | * Is the current monitor, if any, a QMP monitor? | |
329 | */ | |
330 | bool monitor_cur_is_qmp(void) | |
6620d3ce | 331 | { |
9f3982f2 | 332 | return cur_mon && monitor_is_qmp(cur_mon); |
6620d3ce MA |
333 | } |
334 | ||
7060b478 | 335 | void monitor_read_command(Monitor *mon, int show_prompt) |
731b0364 | 336 | { |
183e6e52 LC |
337 | if (!mon->rs) |
338 | return; | |
339 | ||
731b0364 AL |
340 | readline_start(mon->rs, "(qemu) ", 0, monitor_command_cb, NULL); |
341 | if (show_prompt) | |
342 | readline_show_prompt(mon->rs); | |
343 | } | |
6a00d601 | 344 | |
7060b478 AL |
345 | int monitor_read_password(Monitor *mon, ReadLineFunc *readline_func, |
346 | void *opaque) | |
bb5fc20f | 347 | { |
bcf5d19c | 348 | if (mon->rs) { |
cde76ee1 AL |
349 | readline_start(mon->rs, "Password: ", 1, readline_func, opaque); |
350 | /* prompt is printed on return from the command handler */ | |
351 | return 0; | |
352 | } else { | |
353 | monitor_printf(mon, "terminal does not support password prompting\n"); | |
354 | return -ENOTTY; | |
355 | } | |
bb5fc20f AL |
356 | } |
357 | ||
6d2d563f PX |
358 | static void qmp_request_free(QMPRequest *req) |
359 | { | |
cb3e7f08 MAL |
360 | qobject_unref(req->id); |
361 | qobject_unref(req->req); | |
6d2d563f PX |
362 | g_free(req); |
363 | } | |
364 | ||
365 | /* Must with the mon->qmp.qmp_queue_lock held */ | |
366 | static void monitor_qmp_cleanup_req_queue_locked(Monitor *mon) | |
367 | { | |
368 | while (!g_queue_is_empty(mon->qmp.qmp_requests)) { | |
369 | qmp_request_free(g_queue_pop_head(mon->qmp.qmp_requests)); | |
370 | } | |
371 | } | |
372 | ||
373 | /* Must with the mon->qmp.qmp_queue_lock held */ | |
374 | static void monitor_qmp_cleanup_resp_queue_locked(Monitor *mon) | |
375 | { | |
376 | while (!g_queue_is_empty(mon->qmp.qmp_responses)) { | |
cb3e7f08 | 377 | qobject_unref((QObject *)g_queue_pop_head(mon->qmp.qmp_responses)); |
6d2d563f PX |
378 | } |
379 | } | |
380 | ||
381 | static void monitor_qmp_cleanup_queues(Monitor *mon) | |
382 | { | |
383 | qemu_mutex_lock(&mon->qmp.qmp_queue_lock); | |
384 | monitor_qmp_cleanup_req_queue_locked(mon); | |
385 | monitor_qmp_cleanup_resp_queue_locked(mon); | |
386 | qemu_mutex_unlock(&mon->qmp.qmp_queue_lock); | |
387 | } | |
388 | ||
389 | ||
6cff3e85 PB |
390 | static void monitor_flush_locked(Monitor *mon); |
391 | ||
f628926b GH |
392 | static gboolean monitor_unblocked(GIOChannel *chan, GIOCondition cond, |
393 | void *opaque) | |
394 | { | |
293d2a00 LE |
395 | Monitor *mon = opaque; |
396 | ||
dc7cbcd8 | 397 | qemu_mutex_lock(&mon->mon_lock); |
6cff3e85 PB |
398 | mon->out_watch = 0; |
399 | monitor_flush_locked(mon); | |
dc7cbcd8 | 400 | qemu_mutex_unlock(&mon->mon_lock); |
f628926b GH |
401 | return FALSE; |
402 | } | |
403 | ||
dc7cbcd8 | 404 | /* Called with mon->mon_lock held. */ |
6cff3e85 | 405 | static void monitor_flush_locked(Monitor *mon) |
7e2515e8 | 406 | { |
f628926b | 407 | int rc; |
e1f2641b LC |
408 | size_t len; |
409 | const char *buf; | |
410 | ||
48c043d0 LC |
411 | if (mon->skip_flush) { |
412 | return; | |
413 | } | |
414 | ||
e1f2641b LC |
415 | buf = qstring_get_str(mon->outbuf); |
416 | len = qstring_get_length(mon->outbuf); | |
f628926b | 417 | |
a4cc73d6 | 418 | if (len && !mon->mux_out) { |
5345fdb4 | 419 | rc = qemu_chr_fe_write(&mon->chr, (const uint8_t *) buf, len); |
056f49ff SP |
420 | if ((rc < 0 && errno != EAGAIN) || (rc == len)) { |
421 | /* all flushed or error */ | |
cb3e7f08 | 422 | qobject_unref(mon->outbuf); |
e1f2641b | 423 | mon->outbuf = qstring_new(); |
f628926b GH |
424 | return; |
425 | } | |
426 | if (rc > 0) { | |
3b7c78c8 | 427 | /* partial write */ |
e1f2641b | 428 | QString *tmp = qstring_from_str(buf + rc); |
cb3e7f08 | 429 | qobject_unref(mon->outbuf); |
e1f2641b | 430 | mon->outbuf = tmp; |
f628926b | 431 | } |
6cff3e85 | 432 | if (mon->out_watch == 0) { |
32a6ebec | 433 | mon->out_watch = |
5345fdb4 | 434 | qemu_chr_fe_add_watch(&mon->chr, G_IO_OUT | G_IO_HUP, |
32a6ebec | 435 | monitor_unblocked, mon); |
293d2a00 | 436 | } |
7e2515e8 FB |
437 | } |
438 | } | |
439 | ||
6cff3e85 PB |
440 | void monitor_flush(Monitor *mon) |
441 | { | |
dc7cbcd8 | 442 | qemu_mutex_lock(&mon->mon_lock); |
6cff3e85 | 443 | monitor_flush_locked(mon); |
dc7cbcd8 | 444 | qemu_mutex_unlock(&mon->mon_lock); |
6cff3e85 PB |
445 | } |
446 | ||
e1f2641b | 447 | /* flush at every end of line */ |
376253ec | 448 | static void monitor_puts(Monitor *mon, const char *str) |
7e2515e8 | 449 | { |
60fe76f3 | 450 | char c; |
731b0364 | 451 | |
dc7cbcd8 | 452 | qemu_mutex_lock(&mon->mon_lock); |
7e2515e8 FB |
453 | for(;;) { |
454 | c = *str++; | |
455 | if (c == '\0') | |
456 | break; | |
e1f2641b LC |
457 | if (c == '\n') { |
458 | qstring_append_chr(mon->outbuf, '\r'); | |
459 | } | |
460 | qstring_append_chr(mon->outbuf, c); | |
461 | if (c == '\n') { | |
6cff3e85 | 462 | monitor_flush_locked(mon); |
e1f2641b | 463 | } |
7e2515e8 | 464 | } |
dc7cbcd8 | 465 | qemu_mutex_unlock(&mon->mon_lock); |
7e2515e8 FB |
466 | } |
467 | ||
376253ec | 468 | void monitor_vprintf(Monitor *mon, const char *fmt, va_list ap) |
9dc39cba | 469 | { |
e1f2641b | 470 | char *buf; |
b8b08266 | 471 | |
2daa1191 LC |
472 | if (!mon) |
473 | return; | |
474 | ||
9f3982f2 | 475 | if (monitor_is_qmp(mon)) { |
b8b08266 | 476 | return; |
4a29a85d | 477 | } |
b8b08266 | 478 | |
e1f2641b | 479 | buf = g_strdup_vprintf(fmt, ap); |
b8b08266 | 480 | monitor_puts(mon, buf); |
e1f2641b | 481 | g_free(buf); |
9dc39cba FB |
482 | } |
483 | ||
376253ec | 484 | void monitor_printf(Monitor *mon, const char *fmt, ...) |
9dc39cba | 485 | { |
7e2515e8 FB |
486 | va_list ap; |
487 | va_start(ap, fmt); | |
376253ec | 488 | monitor_vprintf(mon, fmt, ap); |
7e2515e8 | 489 | va_end(ap); |
9dc39cba FB |
490 | } |
491 | ||
caf15319 | 492 | int monitor_fprintf(FILE *stream, const char *fmt, ...) |
7fe48483 FB |
493 | { |
494 | va_list ap; | |
495 | va_start(ap, fmt); | |
376253ec | 496 | monitor_vprintf((Monitor *)stream, fmt, ap); |
7fe48483 FB |
497 | va_end(ap); |
498 | return 0; | |
499 | } | |
500 | ||
abe3cd0f PX |
501 | static void monitor_json_emitter_raw(Monitor *mon, |
502 | QObject *data) | |
9b57c02e LC |
503 | { |
504 | QString *json; | |
505 | ||
83a27d4d LC |
506 | json = mon->flags & MONITOR_USE_PRETTY ? qobject_to_json_pretty(data) : |
507 | qobject_to_json(data); | |
9b57c02e LC |
508 | assert(json != NULL); |
509 | ||
b8b08266 LC |
510 | qstring_append_chr(json, '\n'); |
511 | monitor_puts(mon, qstring_get_str(json)); | |
4a29a85d | 512 | |
cb3e7f08 | 513 | qobject_unref(json); |
9b57c02e LC |
514 | } |
515 | ||
abe3cd0f PX |
516 | static void monitor_json_emitter(Monitor *mon, QObject *data) |
517 | { | |
518 | if (mon->use_io_thr) { | |
519 | /* | |
520 | * If using IO thread, we need to queue the item so that IO | |
521 | * thread will do the rest for us. Take refcount so that | |
522 | * caller won't free the data (which will be finally freed in | |
523 | * responder thread). | |
524 | */ | |
abe3cd0f | 525 | qemu_mutex_lock(&mon->qmp.qmp_queue_lock); |
f5a74a5a | 526 | g_queue_push_tail(mon->qmp.qmp_responses, qobject_ref(data)); |
abe3cd0f PX |
527 | qemu_mutex_unlock(&mon->qmp.qmp_queue_lock); |
528 | qemu_bh_schedule(mon_global.qmp_respond_bh); | |
529 | } else { | |
530 | /* | |
531 | * If not using monitor IO thread, then we are in main thread. | |
532 | * Do the emission right away. | |
533 | */ | |
534 | monitor_json_emitter_raw(mon, data); | |
535 | } | |
536 | } | |
537 | ||
538 | struct QMPResponse { | |
539 | Monitor *mon; | |
540 | QObject *data; | |
541 | }; | |
542 | typedef struct QMPResponse QMPResponse; | |
543 | ||
544 | /* | |
545 | * Return one QMPResponse. The response is only valid if | |
546 | * response.data is not NULL. | |
547 | */ | |
548 | static QMPResponse monitor_qmp_response_pop_one(void) | |
549 | { | |
550 | Monitor *mon; | |
551 | QObject *data = NULL; | |
552 | ||
553 | qemu_mutex_lock(&monitor_lock); | |
554 | QTAILQ_FOREACH(mon, &mon_list, entry) { | |
555 | qemu_mutex_lock(&mon->qmp.qmp_queue_lock); | |
556 | data = g_queue_pop_head(mon->qmp.qmp_responses); | |
557 | qemu_mutex_unlock(&mon->qmp.qmp_queue_lock); | |
558 | if (data) { | |
559 | break; | |
560 | } | |
561 | } | |
562 | qemu_mutex_unlock(&monitor_lock); | |
563 | return (QMPResponse) { .mon = mon, .data = data }; | |
564 | } | |
565 | ||
566 | static void monitor_qmp_bh_responder(void *opaque) | |
567 | { | |
568 | QMPResponse response; | |
569 | ||
570 | while (true) { | |
571 | response = monitor_qmp_response_pop_one(); | |
572 | if (!response.data) { | |
573 | break; | |
574 | } | |
575 | monitor_json_emitter_raw(response.mon, response.data); | |
cb3e7f08 | 576 | qobject_unref(response.data); |
abe3cd0f PX |
577 | } |
578 | } | |
579 | ||
7fb1cf16 | 580 | static MonitorQAPIEventConf monitor_qapi_event_conf[QAPI_EVENT__MAX] = { |
b9b03ab0 MA |
581 | /* Limit guest-triggerable events to 1 per second */ |
582 | [QAPI_EVENT_RTC_CHANGE] = { 1000 * SCALE_MS }, | |
583 | [QAPI_EVENT_WATCHDOG] = { 1000 * SCALE_MS }, | |
584 | [QAPI_EVENT_BALLOON_CHANGE] = { 1000 * SCALE_MS }, | |
585 | [QAPI_EVENT_QUORUM_REPORT_BAD] = { 1000 * SCALE_MS }, | |
586 | [QAPI_EVENT_QUORUM_FAILURE] = { 1000 * SCALE_MS }, | |
587 | [QAPI_EVENT_VSERPORT_CHANGE] = { 1000 * SCALE_MS }, | |
588 | }; | |
589 | ||
afeecec2 | 590 | /* |
43a14cfc | 591 | * Emits the event to every monitor instance, @event is only used for trace |
d622cb58 | 592 | * Called with monitor_lock held. |
afeecec2 | 593 | */ |
688b4b7d | 594 | static void monitor_qapi_event_emit(QAPIEvent event, QDict *qdict) |
afeecec2 DB |
595 | { |
596 | Monitor *mon; | |
597 | ||
688b4b7d | 598 | trace_monitor_protocol_event_emit(event, qdict); |
238d9f34 | 599 | QTAILQ_FOREACH(mon, &mon_list, entry) { |
635db18f MA |
600 | if (monitor_is_qmp(mon) |
601 | && mon->qmp.commands != &qmp_cap_negotiation_commands) { | |
688b4b7d | 602 | monitor_json_emitter(mon, QOBJECT(qdict)); |
afeecec2 DB |
603 | } |
604 | } | |
605 | } | |
606 | ||
a24712af MA |
607 | static void monitor_qapi_event_handler(void *opaque); |
608 | ||
afeecec2 DB |
609 | /* |
610 | * Queue a new event for emission to Monitor instances, | |
611 | * applying any rate limiting if required. | |
612 | */ | |
613 | static void | |
688b4b7d | 614 | monitor_qapi_event_queue(QAPIEvent event, QDict *qdict, Error **errp) |
afeecec2 | 615 | { |
b9b03ab0 | 616 | MonitorQAPIEventConf *evconf; |
43a14cfc | 617 | MonitorQAPIEventState *evstate; |
afeecec2 | 618 | |
7fb1cf16 | 619 | assert(event < QAPI_EVENT__MAX); |
b9b03ab0 | 620 | evconf = &monitor_qapi_event_conf[event]; |
b9b03ab0 | 621 | trace_monitor_protocol_event_queue(event, qdict, evconf->rate); |
afeecec2 | 622 | |
d622cb58 | 623 | qemu_mutex_lock(&monitor_lock); |
93f8f982 | 624 | |
b9b03ab0 | 625 | if (!evconf->rate) { |
93f8f982 | 626 | /* Unthrottled event */ |
688b4b7d | 627 | monitor_qapi_event_emit(event, qdict); |
afeecec2 | 628 | } else { |
7dc847eb | 629 | QDict *data = qobject_to(QDict, qdict_get(qdict, "data")); |
7de0be65 | 630 | MonitorQAPIEventState key = { .event = event, .data = data }; |
a24712af MA |
631 | |
632 | evstate = g_hash_table_lookup(monitor_qapi_event_state, &key); | |
633 | assert(!evstate || timer_pending(evstate->timer)); | |
634 | ||
635 | if (evstate) { | |
93f8f982 | 636 | /* |
b9b03ab0 | 637 | * Timer is pending for (at least) evconf->rate ns after |
93f8f982 MA |
638 | * last send. Store event for sending when timer fires, |
639 | * replacing a prior stored event if any. | |
afeecec2 | 640 | */ |
cb3e7f08 | 641 | qobject_unref(evstate->qdict); |
f5a74a5a | 642 | evstate->qdict = qobject_ref(qdict); |
afeecec2 | 643 | } else { |
93f8f982 | 644 | /* |
b9b03ab0 | 645 | * Last send was (at least) evconf->rate ns ago. |
93f8f982 | 646 | * Send immediately, and arm the timer to call |
b9b03ab0 | 647 | * monitor_qapi_event_handler() in evconf->rate ns. Any |
93f8f982 MA |
648 | * events arriving before then will be delayed until then. |
649 | */ | |
6e8c5f4d | 650 | int64_t now = qemu_clock_get_ns(monitor_get_event_clock()); |
93f8f982 | 651 | |
688b4b7d | 652 | monitor_qapi_event_emit(event, qdict); |
a24712af MA |
653 | |
654 | evstate = g_new(MonitorQAPIEventState, 1); | |
655 | evstate->event = event; | |
f5a74a5a | 656 | evstate->data = qobject_ref(data); |
a24712af | 657 | evstate->qdict = NULL; |
6e8c5f4d | 658 | evstate->timer = timer_new_ns(monitor_get_event_clock(), |
a24712af MA |
659 | monitor_qapi_event_handler, |
660 | evstate); | |
661 | g_hash_table_add(monitor_qapi_event_state, evstate); | |
b9b03ab0 | 662 | timer_mod_ns(evstate->timer, now + evconf->rate); |
afeecec2 DB |
663 | } |
664 | } | |
93f8f982 | 665 | |
d622cb58 | 666 | qemu_mutex_unlock(&monitor_lock); |
afeecec2 DB |
667 | } |
668 | ||
afeecec2 | 669 | /* |
b9b03ab0 | 670 | * This function runs evconf->rate ns after sending a throttled |
93f8f982 MA |
671 | * event. |
672 | * If another event has since been stored, send it. | |
afeecec2 | 673 | */ |
43a14cfc | 674 | static void monitor_qapi_event_handler(void *opaque) |
afeecec2 | 675 | { |
43a14cfc | 676 | MonitorQAPIEventState *evstate = opaque; |
b9b03ab0 | 677 | MonitorQAPIEventConf *evconf = &monitor_qapi_event_conf[evstate->event]; |
afeecec2 | 678 | |
93f8f982 | 679 | trace_monitor_protocol_event_handler(evstate->event, evstate->qdict); |
d622cb58 | 680 | qemu_mutex_lock(&monitor_lock); |
93f8f982 | 681 | |
688b4b7d | 682 | if (evstate->qdict) { |
6e8c5f4d | 683 | int64_t now = qemu_clock_get_ns(monitor_get_event_clock()); |
93f8f982 | 684 | |
688b4b7d | 685 | monitor_qapi_event_emit(evstate->event, evstate->qdict); |
cb3e7f08 | 686 | qobject_unref(evstate->qdict); |
688b4b7d | 687 | evstate->qdict = NULL; |
b9b03ab0 | 688 | timer_mod_ns(evstate->timer, now + evconf->rate); |
a24712af MA |
689 | } else { |
690 | g_hash_table_remove(monitor_qapi_event_state, evstate); | |
cb3e7f08 | 691 | qobject_unref(evstate->data); |
a24712af MA |
692 | timer_free(evstate->timer); |
693 | g_free(evstate); | |
afeecec2 | 694 | } |
93f8f982 | 695 | |
d622cb58 | 696 | qemu_mutex_unlock(&monitor_lock); |
afeecec2 DB |
697 | } |
698 | ||
a24712af | 699 | static unsigned int qapi_event_throttle_hash(const void *key) |
afeecec2 | 700 | { |
a24712af | 701 | const MonitorQAPIEventState *evstate = key; |
7de0be65 | 702 | unsigned int hash = evstate->event * 255; |
afeecec2 | 703 | |
7de0be65 MA |
704 | if (evstate->event == QAPI_EVENT_VSERPORT_CHANGE) { |
705 | hash += g_str_hash(qdict_get_str(evstate->data, "id")); | |
706 | } | |
707 | ||
6d425eb9 AG |
708 | if (evstate->event == QAPI_EVENT_QUORUM_REPORT_BAD) { |
709 | hash += g_str_hash(qdict_get_str(evstate->data, "node-name")); | |
710 | } | |
711 | ||
7de0be65 | 712 | return hash; |
a24712af | 713 | } |
0d1ea871 | 714 | |
a24712af MA |
715 | static gboolean qapi_event_throttle_equal(const void *a, const void *b) |
716 | { | |
717 | const MonitorQAPIEventState *eva = a; | |
718 | const MonitorQAPIEventState *evb = b; | |
719 | ||
7de0be65 MA |
720 | if (eva->event != evb->event) { |
721 | return FALSE; | |
722 | } | |
723 | ||
724 | if (eva->event == QAPI_EVENT_VSERPORT_CHANGE) { | |
725 | return !strcmp(qdict_get_str(eva->data, "id"), | |
726 | qdict_get_str(evb->data, "id")); | |
727 | } | |
728 | ||
6d425eb9 AG |
729 | if (eva->event == QAPI_EVENT_QUORUM_REPORT_BAD) { |
730 | return !strcmp(qdict_get_str(eva->data, "node-name"), | |
731 | qdict_get_str(evb->data, "node-name")); | |
732 | } | |
733 | ||
7de0be65 | 734 | return TRUE; |
a24712af MA |
735 | } |
736 | ||
737 | static void monitor_qapi_event_init(void) | |
738 | { | |
739 | monitor_qapi_event_state = g_hash_table_new(qapi_event_throttle_hash, | |
740 | qapi_event_throttle_equal); | |
43a14cfc | 741 | qmp_event_set_func_emit(monitor_qapi_event_queue); |
0d1ea871 LC |
742 | } |
743 | ||
7ef6cf63 | 744 | static void handle_hmp_command(Monitor *mon, const char *cmdline); |
0268d97c | 745 | |
a5ed3525 PX |
746 | static void monitor_data_init(Monitor *mon, bool skip_flush, |
747 | bool use_io_thr) | |
b01fe89e WX |
748 | { |
749 | memset(mon, 0, sizeof(Monitor)); | |
dc7cbcd8 | 750 | qemu_mutex_init(&mon->mon_lock); |
71da4667 | 751 | qemu_mutex_init(&mon->qmp.qmp_queue_lock); |
b01fe89e | 752 | mon->outbuf = qstring_new(); |
7717239d WX |
753 | /* Use *mon_cmds by default. */ |
754 | mon->cmd_table = mon_cmds; | |
88a95d10 | 755 | mon->skip_flush = skip_flush; |
a5ed3525 | 756 | mon->use_io_thr = use_io_thr; |
71da4667 | 757 | mon->qmp.qmp_requests = g_queue_new(); |
abe3cd0f | 758 | mon->qmp.qmp_responses = g_queue_new(); |
b01fe89e WX |
759 | } |
760 | ||
761 | static void monitor_data_destroy(Monitor *mon) | |
762 | { | |
751f8cfe | 763 | g_free(mon->mon_cpu_path); |
1ce2610c | 764 | qemu_chr_fe_deinit(&mon->chr, false); |
2ef45716 MAL |
765 | if (monitor_is_qmp(mon)) { |
766 | json_message_parser_destroy(&mon->qmp.parser); | |
767 | } | |
e5dc1a6c | 768 | readline_free(mon->rs); |
cb3e7f08 | 769 | qobject_unref(mon->outbuf); |
dc7cbcd8 | 770 | qemu_mutex_destroy(&mon->mon_lock); |
71da4667 | 771 | qemu_mutex_destroy(&mon->qmp.qmp_queue_lock); |
6d2d563f PX |
772 | monitor_qmp_cleanup_req_queue_locked(mon); |
773 | monitor_qmp_cleanup_resp_queue_locked(mon); | |
71da4667 | 774 | g_queue_free(mon->qmp.qmp_requests); |
abe3cd0f | 775 | g_queue_free(mon->qmp.qmp_responses); |
b01fe89e WX |
776 | } |
777 | ||
d51a67b4 LC |
778 | char *qmp_human_monitor_command(const char *command_line, bool has_cpu_index, |
779 | int64_t cpu_index, Error **errp) | |
0268d97c | 780 | { |
d51a67b4 | 781 | char *output = NULL; |
0268d97c | 782 | Monitor *old_mon, hmp; |
0268d97c | 783 | |
a5ed3525 | 784 | monitor_data_init(&hmp, true, false); |
0268d97c LC |
785 | |
786 | old_mon = cur_mon; | |
787 | cur_mon = &hmp; | |
788 | ||
d51a67b4 LC |
789 | if (has_cpu_index) { |
790 | int ret = monitor_set_cpu(cpu_index); | |
0268d97c LC |
791 | if (ret < 0) { |
792 | cur_mon = old_mon; | |
c6bd8c70 MA |
793 | error_setg(errp, QERR_INVALID_PARAMETER_VALUE, "cpu-index", |
794 | "a CPU number"); | |
0268d97c LC |
795 | goto out; |
796 | } | |
797 | } | |
798 | ||
7ef6cf63 | 799 | handle_hmp_command(&hmp, command_line); |
0268d97c LC |
800 | cur_mon = old_mon; |
801 | ||
dc7cbcd8 | 802 | qemu_mutex_lock(&hmp.mon_lock); |
48c043d0 LC |
803 | if (qstring_get_length(hmp.outbuf) > 0) { |
804 | output = g_strdup(qstring_get_str(hmp.outbuf)); | |
d51a67b4 LC |
805 | } else { |
806 | output = g_strdup(""); | |
0268d97c | 807 | } |
dc7cbcd8 | 808 | qemu_mutex_unlock(&hmp.mon_lock); |
0268d97c LC |
809 | |
810 | out: | |
b01fe89e | 811 | monitor_data_destroy(&hmp); |
d51a67b4 | 812 | return output; |
0268d97c LC |
813 | } |
814 | ||
9dc39cba FB |
815 | static int compare_cmd(const char *name, const char *list) |
816 | { | |
817 | const char *p, *pstart; | |
818 | int len; | |
819 | len = strlen(name); | |
820 | p = list; | |
821 | for(;;) { | |
822 | pstart = p; | |
823 | p = strchr(p, '|'); | |
824 | if (!p) | |
825 | p = pstart + strlen(pstart); | |
826 | if ((p - pstart) == len && !memcmp(pstart, name, len)) | |
827 | return 1; | |
828 | if (*p == '\0') | |
829 | break; | |
830 | p++; | |
831 | } | |
832 | return 0; | |
833 | } | |
834 | ||
f5438c05 WX |
835 | static int get_str(char *buf, int buf_size, const char **pp) |
836 | { | |
837 | const char *p; | |
838 | char *q; | |
839 | int c; | |
840 | ||
841 | q = buf; | |
842 | p = *pp; | |
843 | while (qemu_isspace(*p)) { | |
844 | p++; | |
845 | } | |
846 | if (*p == '\0') { | |
847 | fail: | |
848 | *q = '\0'; | |
849 | *pp = p; | |
850 | return -1; | |
851 | } | |
852 | if (*p == '\"') { | |
853 | p++; | |
854 | while (*p != '\0' && *p != '\"') { | |
855 | if (*p == '\\') { | |
856 | p++; | |
857 | c = *p++; | |
858 | switch (c) { | |
859 | case 'n': | |
860 | c = '\n'; | |
861 | break; | |
862 | case 'r': | |
863 | c = '\r'; | |
864 | break; | |
865 | case '\\': | |
866 | case '\'': | |
867 | case '\"': | |
868 | break; | |
869 | default: | |
71baf787 | 870 | printf("unsupported escape code: '\\%c'\n", c); |
f5438c05 WX |
871 | goto fail; |
872 | } | |
873 | if ((q - buf) < buf_size - 1) { | |
874 | *q++ = c; | |
875 | } | |
876 | } else { | |
877 | if ((q - buf) < buf_size - 1) { | |
878 | *q++ = *p; | |
879 | } | |
880 | p++; | |
881 | } | |
882 | } | |
883 | if (*p != '\"') { | |
71baf787 | 884 | printf("unterminated string\n"); |
f5438c05 WX |
885 | goto fail; |
886 | } | |
887 | p++; | |
888 | } else { | |
889 | while (*p != '\0' && !qemu_isspace(*p)) { | |
890 | if ((q - buf) < buf_size - 1) { | |
891 | *q++ = *p; | |
892 | } | |
893 | p++; | |
894 | } | |
895 | } | |
896 | *q = '\0'; | |
897 | *pp = p; | |
898 | return 0; | |
899 | } | |
900 | ||
901 | #define MAX_ARGS 16 | |
902 | ||
dcc70cdf WX |
903 | static void free_cmdline_args(char **args, int nb_args) |
904 | { | |
905 | int i; | |
906 | ||
907 | assert(nb_args <= MAX_ARGS); | |
908 | ||
909 | for (i = 0; i < nb_args; i++) { | |
910 | g_free(args[i]); | |
911 | } | |
912 | ||
913 | } | |
914 | ||
915 | /* | |
916 | * Parse the command line to get valid args. | |
917 | * @cmdline: command line to be parsed. | |
918 | * @pnb_args: location to store the number of args, must NOT be NULL. | |
919 | * @args: location to store the args, which should be freed by caller, must | |
920 | * NOT be NULL. | |
921 | * | |
922 | * Returns 0 on success, negative on failure. | |
923 | * | |
924 | * NOTE: this parser is an approximate form of the real command parser. Number | |
925 | * of args have a limit of MAX_ARGS. If cmdline contains more, it will | |
926 | * return with failure. | |
927 | */ | |
928 | static int parse_cmdline(const char *cmdline, | |
929 | int *pnb_args, char **args) | |
f5438c05 WX |
930 | { |
931 | const char *p; | |
932 | int nb_args, ret; | |
933 | char buf[1024]; | |
934 | ||
935 | p = cmdline; | |
936 | nb_args = 0; | |
937 | for (;;) { | |
938 | while (qemu_isspace(*p)) { | |
939 | p++; | |
940 | } | |
941 | if (*p == '\0') { | |
942 | break; | |
943 | } | |
944 | if (nb_args >= MAX_ARGS) { | |
dcc70cdf | 945 | goto fail; |
f5438c05 WX |
946 | } |
947 | ret = get_str(buf, sizeof(buf), &p); | |
f5438c05 | 948 | if (ret < 0) { |
dcc70cdf | 949 | goto fail; |
f5438c05 | 950 | } |
dcc70cdf WX |
951 | args[nb_args] = g_strdup(buf); |
952 | nb_args++; | |
f5438c05 WX |
953 | } |
954 | *pnb_args = nb_args; | |
dcc70cdf WX |
955 | return 0; |
956 | ||
957 | fail: | |
958 | free_cmdline_args(args, nb_args); | |
959 | return -1; | |
f5438c05 WX |
960 | } |
961 | ||
c3120f71 DDAG |
962 | /* |
963 | * Returns true if the command can be executed in preconfig mode | |
964 | * i.e. it has the 'p' flag. | |
965 | */ | |
966 | static bool cmd_can_preconfig(const mon_cmd_t *cmd) | |
967 | { | |
968 | if (!cmd->flags) { | |
969 | return false; | |
970 | } | |
971 | ||
972 | return strchr(cmd->flags, 'p'); | |
973 | } | |
974 | ||
66855495 WX |
975 | static void help_cmd_dump_one(Monitor *mon, |
976 | const mon_cmd_t *cmd, | |
977 | char **prefix_args, | |
978 | int prefix_args_nb) | |
979 | { | |
980 | int i; | |
981 | ||
982 | for (i = 0; i < prefix_args_nb; i++) { | |
983 | monitor_printf(mon, "%s ", prefix_args[i]); | |
984 | } | |
985 | monitor_printf(mon, "%s %s -- %s\n", cmd->name, cmd->params, cmd->help); | |
986 | } | |
987 | ||
988 | /* @args[@arg_index] is the valid command need to find in @cmds */ | |
c227f099 | 989 | static void help_cmd_dump(Monitor *mon, const mon_cmd_t *cmds, |
66855495 | 990 | char **args, int nb_args, int arg_index) |
9dc39cba | 991 | { |
c227f099 | 992 | const mon_cmd_t *cmd; |
9dc39cba | 993 | |
66855495 WX |
994 | /* No valid arg need to compare with, dump all in *cmds */ |
995 | if (arg_index >= nb_args) { | |
996 | for (cmd = cmds; cmd->name != NULL; cmd++) { | |
997 | help_cmd_dump_one(mon, cmd, args, arg_index); | |
998 | } | |
999 | return; | |
1000 | } | |
1001 | ||
1002 | /* Find one entry to dump */ | |
1003 | for (cmd = cmds; cmd->name != NULL; cmd++) { | |
1004 | if (compare_cmd(args[arg_index], cmd->name)) { | |
1005 | if (cmd->sub_table) { | |
1006 | /* continue with next arg */ | |
1007 | help_cmd_dump(mon, cmd->sub_table, | |
1008 | args, nb_args, arg_index + 1); | |
1009 | } else { | |
1010 | help_cmd_dump_one(mon, cmd, args, arg_index); | |
1011 | } | |
1012 | break; | |
1013 | } | |
9dc39cba FB |
1014 | } |
1015 | } | |
1016 | ||
376253ec | 1017 | static void help_cmd(Monitor *mon, const char *name) |
9dc39cba | 1018 | { |
66855495 WX |
1019 | char *args[MAX_ARGS]; |
1020 | int nb_args = 0; | |
1021 | ||
1022 | /* 1. parse user input */ | |
1023 | if (name) { | |
1024 | /* special case for log, directly dump and return */ | |
1025 | if (!strcmp(name, "log")) { | |
38dad9e5 | 1026 | const QEMULogItem *item; |
376253ec AL |
1027 | monitor_printf(mon, "Log items (comma separated):\n"); |
1028 | monitor_printf(mon, "%-10s %s\n", "none", "remove all logs"); | |
38dad9e5 | 1029 | for (item = qemu_log_items; item->mask != 0; item++) { |
376253ec | 1030 | monitor_printf(mon, "%-10s %s\n", item->name, item->help); |
f193c797 | 1031 | } |
66855495 WX |
1032 | return; |
1033 | } | |
1034 | ||
1035 | if (parse_cmdline(name, &nb_args, args) < 0) { | |
1036 | return; | |
f193c797 | 1037 | } |
9dc39cba | 1038 | } |
66855495 WX |
1039 | |
1040 | /* 2. dump the contents according to parsed args */ | |
1041 | help_cmd_dump(mon, mon->cmd_table, args, nb_args, 0); | |
1042 | ||
1043 | free_cmdline_args(args, nb_args); | |
9dc39cba FB |
1044 | } |
1045 | ||
d54908a5 | 1046 | static void do_help_cmd(Monitor *mon, const QDict *qdict) |
38183186 | 1047 | { |
d54908a5 | 1048 | help_cmd(mon, qdict_get_try_str(qdict, "name")); |
38183186 LC |
1049 | } |
1050 | ||
3e5a50d6 | 1051 | static void hmp_trace_event(Monitor *mon, const QDict *qdict) |
22890ab5 PS |
1052 | { |
1053 | const char *tp_name = qdict_get_str(qdict, "name"); | |
1054 | bool new_state = qdict_get_bool(qdict, "option"); | |
77e2b172 LV |
1055 | bool has_vcpu = qdict_haskey(qdict, "vcpu"); |
1056 | int vcpu = qdict_get_try_int(qdict, "vcpu", 0); | |
14101d02 | 1057 | Error *local_err = NULL; |
f871d689 | 1058 | |
77e2b172 LV |
1059 | if (vcpu < 0) { |
1060 | monitor_printf(mon, "argument vcpu must be positive"); | |
1061 | return; | |
1062 | } | |
1063 | ||
1064 | qmp_trace_event_set_state(tp_name, new_state, true, true, has_vcpu, vcpu, &local_err); | |
14101d02 | 1065 | if (local_err) { |
091e38b7 | 1066 | error_report_err(local_err); |
f871d689 | 1067 | } |
22890ab5 | 1068 | } |
c5ceb523 | 1069 | |
c45a8168 | 1070 | #ifdef CONFIG_TRACE_SIMPLE |
3e5a50d6 | 1071 | static void hmp_trace_file(Monitor *mon, const QDict *qdict) |
c5ceb523 SH |
1072 | { |
1073 | const char *op = qdict_get_try_str(qdict, "op"); | |
1074 | const char *arg = qdict_get_try_str(qdict, "arg"); | |
1075 | ||
1076 | if (!op) { | |
1077 | st_print_trace_file_status((FILE *)mon, &monitor_fprintf); | |
1078 | } else if (!strcmp(op, "on")) { | |
1079 | st_set_trace_file_enabled(true); | |
1080 | } else if (!strcmp(op, "off")) { | |
1081 | st_set_trace_file_enabled(false); | |
1082 | } else if (!strcmp(op, "flush")) { | |
1083 | st_flush_trace_buffer(); | |
1084 | } else if (!strcmp(op, "set")) { | |
1085 | if (arg) { | |
1086 | st_set_trace_file(arg); | |
1087 | } | |
1088 | } else { | |
1089 | monitor_printf(mon, "unexpected argument \"%s\"\n", op); | |
1090 | help_cmd(mon, "trace-file"); | |
1091 | } | |
1092 | } | |
22890ab5 PS |
1093 | #endif |
1094 | ||
3e5a50d6 | 1095 | static void hmp_info_help(Monitor *mon, const QDict *qdict) |
9dc39cba | 1096 | { |
13c7425e | 1097 | help_cmd(mon, "info"); |
9dc39cba FB |
1098 | } |
1099 | ||
9e812b6a | 1100 | static void query_commands_cb(QmpCommand *cmd, void *opaque) |
e3bba9d0 | 1101 | { |
9e812b6a | 1102 | CommandInfoList *info, **list = opaque; |
e3bba9d0 | 1103 | |
9e812b6a MAL |
1104 | if (!cmd->enabled) { |
1105 | return; | |
e3bba9d0 LC |
1106 | } |
1107 | ||
9e812b6a MAL |
1108 | info = g_malloc0(sizeof(*info)); |
1109 | info->value = g_malloc0(sizeof(*info->value)); | |
1110 | info->value->name = g_strdup(cmd->name); | |
1111 | info->next = *list; | |
1112 | *list = info; | |
1113 | } | |
1114 | ||
1115 | CommandInfoList *qmp_query_commands(Error **errp) | |
1116 | { | |
1117 | CommandInfoList *list = NULL; | |
1118 | ||
635db18f | 1119 | qmp_for_each_command(cur_mon->qmp.commands, query_commands_cb, &list); |
9e812b6a MAL |
1120 | |
1121 | return list; | |
a36e69dd TS |
1122 | } |
1123 | ||
4860853d DB |
1124 | EventInfoList *qmp_query_events(Error **errp) |
1125 | { | |
1126 | EventInfoList *info, *ev_list = NULL; | |
75175173 | 1127 | QAPIEvent e; |
4860853d | 1128 | |
7fb1cf16 | 1129 | for (e = 0 ; e < QAPI_EVENT__MAX ; e++) { |
977c736f | 1130 | const char *event_name = QAPIEvent_str(e); |
4860853d DB |
1131 | assert(event_name != NULL); |
1132 | info = g_malloc0(sizeof(*info)); | |
1133 | info->value = g_malloc0(sizeof(*info->value)); | |
1134 | info->value->name = g_strdup(event_name); | |
1135 | ||
1136 | info->next = ev_list; | |
1137 | ev_list = info; | |
1138 | } | |
1139 | ||
1140 | return ev_list; | |
1141 | } | |
1142 | ||
39a18158 MA |
1143 | /* |
1144 | * Minor hack: generated marshalling suppressed for this command | |
1145 | * ('gen': false in the schema) so we can parse the JSON string | |
1146 | * directly into QObject instead of first parsing it with | |
1147 | * visit_type_SchemaInfoList() into a SchemaInfoList, then marshal it | |
1148 | * to QObject with generated output marshallers, every time. Instead, | |
b3db211f | 1149 | * we do it in test-qobject-input-visitor.c, just to make sure |
fb0bc835 | 1150 | * qapi-gen.py's output actually conforms to the schema. |
39a18158 MA |
1151 | */ |
1152 | static void qmp_query_qmp_schema(QDict *qdict, QObject **ret_data, | |
1153 | Error **errp) | |
1154 | { | |
7d0f982b | 1155 | *ret_data = qobject_from_qlit(&qmp_schema_qlit); |
39a18158 MA |
1156 | } |
1157 | ||
5032a16d | 1158 | /* |
5032a16d MAL |
1159 | * We used to define commands in qmp-commands.hx in addition to the |
1160 | * QAPI schema. This permitted defining some of them only in certain | |
1161 | * configurations. query-commands has always reflected that (good, | |
1162 | * because it lets QMP clients figure out what's actually available), | |
1163 | * while query-qmp-schema never did (not so good). This function is a | |
1164 | * hack to keep the configuration-specific commands defined exactly as | |
1165 | * before, even though qmp-commands.hx is gone. | |
1166 | * | |
1167 | * FIXME Educate the QAPI schema on configuration-specific commands, | |
1168 | * and drop this hack. | |
1169 | */ | |
1170 | static void qmp_unregister_commands_hack(void) | |
1171 | { | |
1172 | #ifndef CONFIG_SPICE | |
1527badb | 1173 | qmp_unregister_command(&qmp_commands, "query-spice"); |
5032a16d | 1174 | #endif |
38bb54f3 MA |
1175 | #ifndef CONFIG_REPLICATION |
1176 | qmp_unregister_command(&qmp_commands, "xen-set-replication"); | |
1177 | qmp_unregister_command(&qmp_commands, "query-xen-replication-status"); | |
1178 | qmp_unregister_command(&qmp_commands, "xen-colo-do-checkpoint"); | |
1179 | #endif | |
5032a16d | 1180 | #ifndef TARGET_I386 |
1527badb | 1181 | qmp_unregister_command(&qmp_commands, "rtc-reset-reinjection"); |
08a161fd | 1182 | qmp_unregister_command(&qmp_commands, "query-sev"); |
1b6a034f | 1183 | qmp_unregister_command(&qmp_commands, "query-sev-launch-measure"); |
31dd67f6 | 1184 | qmp_unregister_command(&qmp_commands, "query-sev-capabilities"); |
5032a16d MAL |
1185 | #endif |
1186 | #ifndef TARGET_S390X | |
1527badb | 1187 | qmp_unregister_command(&qmp_commands, "dump-skeys"); |
5032a16d MAL |
1188 | #endif |
1189 | #ifndef TARGET_ARM | |
1527badb | 1190 | qmp_unregister_command(&qmp_commands, "query-gic-capabilities"); |
5032a16d | 1191 | #endif |
f99fd7ca | 1192 | #if !defined(TARGET_S390X) && !defined(TARGET_I386) |
1527badb | 1193 | qmp_unregister_command(&qmp_commands, "query-cpu-model-expansion"); |
f99fd7ca EH |
1194 | #endif |
1195 | #if !defined(TARGET_S390X) | |
1527badb MA |
1196 | qmp_unregister_command(&qmp_commands, "query-cpu-model-baseline"); |
1197 | qmp_unregister_command(&qmp_commands, "query-cpu-model-comparison"); | |
728b1429 EH |
1198 | #endif |
1199 | #if !defined(TARGET_PPC) && !defined(TARGET_ARM) && !defined(TARGET_I386) \ | |
1200 | && !defined(TARGET_S390X) | |
1527badb | 1201 | qmp_unregister_command(&qmp_commands, "query-cpu-definitions"); |
728b1429 | 1202 | #endif |
5032a16d MAL |
1203 | } |
1204 | ||
6adf08dd | 1205 | static void monitor_init_qmp_commands(void) |
edcfaefe | 1206 | { |
635db18f MA |
1207 | /* |
1208 | * Two command lists: | |
1209 | * - qmp_commands contains all QMP commands | |
1210 | * - qmp_cap_negotiation_commands contains just | |
1211 | * "qmp_capabilities", to enforce capability negotiation | |
1212 | */ | |
1213 | ||
1527badb | 1214 | qmp_init_marshal(&qmp_commands); |
05875687 | 1215 | |
1527badb | 1216 | qmp_register_command(&qmp_commands, "query-qmp-schema", |
d6fe3d02 | 1217 | qmp_query_qmp_schema, QCO_ALLOW_PRECONFIG); |
1527badb | 1218 | qmp_register_command(&qmp_commands, "device_add", qmp_device_add, |
edcfaefe | 1219 | QCO_NO_OPTIONS); |
1527badb | 1220 | qmp_register_command(&qmp_commands, "netdev_add", qmp_netdev_add, |
edcfaefe | 1221 | QCO_NO_OPTIONS); |
5032a16d | 1222 | |
05875687 | 1223 | qmp_unregister_commands_hack(); |
635db18f MA |
1224 | |
1225 | QTAILQ_INIT(&qmp_cap_negotiation_commands); | |
1226 | qmp_register_command(&qmp_cap_negotiation_commands, "qmp_capabilities", | |
d6fe3d02 | 1227 | qmp_marshal_qmp_capabilities, QCO_ALLOW_PRECONFIG); |
635db18f MA |
1228 | } |
1229 | ||
71da4667 PX |
1230 | static bool qmp_cap_enabled(Monitor *mon, QMPCapability cap) |
1231 | { | |
1232 | return mon->qmp.qmp_caps[cap]; | |
1233 | } | |
1234 | ||
1235 | static bool qmp_oob_enabled(Monitor *mon) | |
1236 | { | |
1237 | return qmp_cap_enabled(mon, QMP_CAPABILITY_OOB); | |
1238 | } | |
1239 | ||
02130314 PX |
1240 | static void qmp_caps_check(Monitor *mon, QMPCapabilityList *list, |
1241 | Error **errp) | |
1242 | { | |
1243 | for (; list; list = list->next) { | |
1244 | assert(list->value < QMP_CAPABILITY__MAX); | |
1245 | switch (list->value) { | |
1246 | case QMP_CAPABILITY_OOB: | |
1247 | if (!mon->use_io_thr) { | |
1248 | /* | |
1249 | * Out-Of-Band only works with monitors that are | |
1250 | * running on dedicated IOThread. | |
1251 | */ | |
1252 | error_setg(errp, "This monitor does not support " | |
1253 | "Out-Of-Band (OOB)"); | |
1254 | return; | |
1255 | } | |
1256 | break; | |
1257 | default: | |
1258 | break; | |
1259 | } | |
1260 | } | |
1261 | } | |
1262 | ||
1263 | /* This function should only be called after capabilities are checked. */ | |
1264 | static void qmp_caps_apply(Monitor *mon, QMPCapabilityList *list) | |
635db18f | 1265 | { |
02130314 PX |
1266 | for (; list; list = list->next) { |
1267 | mon->qmp.qmp_caps[list->value] = true; | |
1268 | } | |
1269 | } | |
1270 | ||
cf869d53 PX |
1271 | /* |
1272 | * Return true if check successful, or false otherwise. When false is | |
1273 | * returned, detailed error will be in errp if provided. | |
1274 | */ | |
1275 | static bool qmp_cmd_oob_check(Monitor *mon, QDict *req, Error **errp) | |
1276 | { | |
1277 | const char *command; | |
1278 | QmpCommand *cmd; | |
1279 | ||
1280 | command = qdict_get_try_str(req, "execute"); | |
1281 | if (!command) { | |
1282 | error_setg(errp, "Command field 'execute' missing"); | |
1283 | return false; | |
1284 | } | |
1285 | ||
1286 | cmd = qmp_find_command(mon->qmp.commands, command); | |
1287 | if (!cmd) { | |
9ddb7456 PX |
1288 | if (mon->qmp.commands == &qmp_cap_negotiation_commands) { |
1289 | error_set(errp, ERROR_CLASS_COMMAND_NOT_FOUND, | |
1290 | "Expecting capabilities negotiation " | |
1291 | "with 'qmp_capabilities'"); | |
1292 | } else { | |
1293 | error_set(errp, ERROR_CLASS_COMMAND_NOT_FOUND, | |
1294 | "The command %s has not been found", command); | |
1295 | } | |
cf869d53 PX |
1296 | return false; |
1297 | } | |
1298 | ||
1299 | if (qmp_is_oob(req)) { | |
1300 | if (!qmp_oob_enabled(mon)) { | |
1301 | error_setg(errp, "Please enable Out-Of-Band first " | |
1302 | "for the session during capabilities negotiation"); | |
1303 | return false; | |
1304 | } | |
1305 | if (!(cmd->options & QCO_ALLOW_OOB)) { | |
1306 | error_setg(errp, "The command %s does not support OOB", | |
1307 | command); | |
1308 | return false; | |
1309 | } | |
1310 | } | |
1311 | ||
1312 | return true; | |
1313 | } | |
1314 | ||
02130314 PX |
1315 | void qmp_qmp_capabilities(bool has_enable, QMPCapabilityList *enable, |
1316 | Error **errp) | |
1317 | { | |
1318 | Error *local_err = NULL; | |
1319 | ||
635db18f MA |
1320 | if (cur_mon->qmp.commands == &qmp_commands) { |
1321 | error_set(errp, ERROR_CLASS_COMMAND_NOT_FOUND, | |
1322 | "Capabilities negotiation is already complete, command " | |
1323 | "ignored"); | |
1324 | return; | |
1325 | } | |
1326 | ||
02130314 PX |
1327 | /* Enable QMP capabilities provided by the client if applicable. */ |
1328 | if (has_enable) { | |
1329 | qmp_caps_check(cur_mon, enable, &local_err); | |
1330 | if (local_err) { | |
1331 | /* | |
1332 | * Failed check on any of the capabilities will fail the | |
1333 | * entire command (and thus not apply any of the other | |
1334 | * capabilities that were also requested). | |
1335 | */ | |
1336 | error_propagate(errp, local_err); | |
1337 | return; | |
1338 | } | |
1339 | qmp_caps_apply(cur_mon, enable); | |
1340 | } | |
1341 | ||
635db18f | 1342 | cur_mon->qmp.commands = &qmp_commands; |
edcfaefe MAL |
1343 | } |
1344 | ||
d9f25280 | 1345 | /* Set the current CPU defined by the user. Callers must hold BQL. */ |
b025c8b4 | 1346 | int monitor_set_cpu(int cpu_index) |
6a00d601 | 1347 | { |
55e5c285 | 1348 | CPUState *cpu; |
6a00d601 | 1349 | |
1c8bb3cc AF |
1350 | cpu = qemu_get_cpu(cpu_index); |
1351 | if (cpu == NULL) { | |
1352 | return -1; | |
6a00d601 | 1353 | } |
751f8cfe GK |
1354 | g_free(cur_mon->mon_cpu_path); |
1355 | cur_mon->mon_cpu_path = object_get_canonical_path(OBJECT(cpu)); | |
1c8bb3cc | 1356 | return 0; |
6a00d601 FB |
1357 | } |
1358 | ||
d9f25280 | 1359 | /* Callers must hold BQL. */ |
137b5cb6 | 1360 | static CPUState *mon_get_cpu_sync(bool synchronize) |
6a00d601 | 1361 | { |
751f8cfe GK |
1362 | CPUState *cpu; |
1363 | ||
1364 | if (cur_mon->mon_cpu_path) { | |
1365 | cpu = (CPUState *) object_resolve_path_type(cur_mon->mon_cpu_path, | |
1366 | TYPE_CPU, NULL); | |
1367 | if (!cpu) { | |
1368 | g_free(cur_mon->mon_cpu_path); | |
1369 | cur_mon->mon_cpu_path = NULL; | |
1370 | } | |
1371 | } | |
1372 | if (!cur_mon->mon_cpu_path) { | |
854e67fe TH |
1373 | if (!first_cpu) { |
1374 | return NULL; | |
1375 | } | |
27a83f8e | 1376 | monitor_set_cpu(first_cpu->cpu_index); |
751f8cfe | 1377 | cpu = first_cpu; |
6a00d601 | 1378 | } |
137b5cb6 VM |
1379 | if (synchronize) { |
1380 | cpu_synchronize_state(cpu); | |
1381 | } | |
751f8cfe | 1382 | return cpu; |
5bcda5f7 PC |
1383 | } |
1384 | ||
137b5cb6 VM |
1385 | CPUState *mon_get_cpu(void) |
1386 | { | |
1387 | return mon_get_cpu_sync(true); | |
1388 | } | |
1389 | ||
bf957284 | 1390 | CPUArchState *mon_get_cpu_env(void) |
5bcda5f7 | 1391 | { |
854e67fe TH |
1392 | CPUState *cs = mon_get_cpu(); |
1393 | ||
1394 | return cs ? cs->env_ptr : NULL; | |
6a00d601 FB |
1395 | } |
1396 | ||
99b7796f LC |
1397 | int monitor_get_cpu_index(void) |
1398 | { | |
137b5cb6 | 1399 | CPUState *cs = mon_get_cpu_sync(false); |
854e67fe TH |
1400 | |
1401 | return cs ? cs->cpu_index : UNASSIGNED_CPU_INDEX; | |
99b7796f LC |
1402 | } |
1403 | ||
1ce6be24 | 1404 | static void hmp_info_registers(Monitor *mon, const QDict *qdict) |
9307c4c1 | 1405 | { |
18f08282 SJS |
1406 | bool all_cpus = qdict_get_try_bool(qdict, "cpustate_all", false); |
1407 | CPUState *cs; | |
854e67fe | 1408 | |
18f08282 SJS |
1409 | if (all_cpus) { |
1410 | CPU_FOREACH(cs) { | |
1411 | monitor_printf(mon, "\nCPU#%d\n", cs->cpu_index); | |
1412 | cpu_dump_state(cs, (FILE *)mon, monitor_fprintf, CPU_DUMP_FPU); | |
1413 | } | |
1414 | } else { | |
1415 | cs = mon_get_cpu(); | |
1416 | ||
1417 | if (!cs) { | |
1418 | monitor_printf(mon, "No CPU available\n"); | |
1419 | return; | |
1420 | } | |
1421 | ||
1422 | cpu_dump_state(cs, (FILE *)mon, monitor_fprintf, CPU_DUMP_FPU); | |
854e67fe | 1423 | } |
9307c4c1 FB |
1424 | } |
1425 | ||
f0d14a95 | 1426 | #ifdef CONFIG_TCG |
1ce6be24 | 1427 | static void hmp_info_jit(Monitor *mon, const QDict *qdict) |
e3db7226 | 1428 | { |
b7da97ee TH |
1429 | if (!tcg_enabled()) { |
1430 | error_report("JIT information is only available with accel=tcg"); | |
1431 | return; | |
1432 | } | |
1433 | ||
376253ec | 1434 | dump_exec_info((FILE *)mon, monitor_fprintf); |
27498bef | 1435 | dump_drift_info((FILE *)mon, monitor_fprintf); |
e3db7226 FB |
1436 | } |
1437 | ||
1ce6be24 | 1438 | static void hmp_info_opcount(Monitor *mon, const QDict *qdict) |
246ae24d MF |
1439 | { |
1440 | dump_opcount_info((FILE *)mon, monitor_fprintf); | |
1441 | } | |
f0d14a95 | 1442 | #endif |
246ae24d | 1443 | |
1ce6be24 | 1444 | static void hmp_info_history(Monitor *mon, const QDict *qdict) |
aa455485 FB |
1445 | { |
1446 | int i; | |
7e2515e8 | 1447 | const char *str; |
3b46e624 | 1448 | |
cde76ee1 AL |
1449 | if (!mon->rs) |
1450 | return; | |
7e2515e8 FB |
1451 | i = 0; |
1452 | for(;;) { | |
731b0364 | 1453 | str = readline_get_history(mon->rs, i); |
7e2515e8 FB |
1454 | if (!str) |
1455 | break; | |
376253ec | 1456 | monitor_printf(mon, "%d: '%s'\n", i, str); |
8e3a9fd2 | 1457 | i++; |
aa455485 FB |
1458 | } |
1459 | } | |
1460 | ||
1ce6be24 | 1461 | static void hmp_info_cpustats(Monitor *mon, const QDict *qdict) |
76a66253 | 1462 | { |
854e67fe TH |
1463 | CPUState *cs = mon_get_cpu(); |
1464 | ||
1465 | if (!cs) { | |
1466 | monitor_printf(mon, "No CPU available\n"); | |
1467 | return; | |
1468 | } | |
1469 | cpu_dump_statistics(cs, (FILE *)mon, &monitor_fprintf, 0); | |
76a66253 | 1470 | } |
76a66253 | 1471 | |
1ce6be24 | 1472 | static void hmp_info_trace_events(Monitor *mon, const QDict *qdict) |
22890ab5 | 1473 | { |
bd71211d | 1474 | const char *name = qdict_get_try_str(qdict, "name"); |
77e2b172 LV |
1475 | bool has_vcpu = qdict_haskey(qdict, "vcpu"); |
1476 | int vcpu = qdict_get_try_int(qdict, "vcpu", 0); | |
bd71211d | 1477 | TraceEventInfoList *events; |
14101d02 | 1478 | TraceEventInfoList *elem; |
bd71211d LV |
1479 | Error *local_err = NULL; |
1480 | ||
1481 | if (name == NULL) { | |
1482 | name = "*"; | |
1483 | } | |
77e2b172 LV |
1484 | if (vcpu < 0) { |
1485 | monitor_printf(mon, "argument vcpu must be positive"); | |
1486 | return; | |
1487 | } | |
bd71211d | 1488 | |
77e2b172 | 1489 | events = qmp_trace_event_get_state(name, has_vcpu, vcpu, &local_err); |
bd71211d LV |
1490 | if (local_err) { |
1491 | error_report_err(local_err); | |
1492 | return; | |
1493 | } | |
14101d02 LV |
1494 | |
1495 | for (elem = events; elem != NULL; elem = elem->next) { | |
1496 | monitor_printf(mon, "%s : state %u\n", | |
1497 | elem->value->name, | |
1498 | elem->value->state == TRACE_EVENT_STATE_ENABLED ? 1 : 0); | |
1499 | } | |
1500 | qapi_free_TraceEventInfoList(events); | |
22890ab5 | 1501 | } |
22890ab5 | 1502 | |
b8a185bc MA |
1503 | void qmp_client_migrate_info(const char *protocol, const char *hostname, |
1504 | bool has_port, int64_t port, | |
1505 | bool has_tls_port, int64_t tls_port, | |
1506 | bool has_cert_subject, const char *cert_subject, | |
1507 | Error **errp) | |
e866e239 | 1508 | { |
e866e239 | 1509 | if (strcmp(protocol, "spice") == 0) { |
b8a185bc MA |
1510 | if (!qemu_using_spice(errp)) { |
1511 | return; | |
e866e239 GH |
1512 | } |
1513 | ||
b8a185bc | 1514 | if (!has_port && !has_tls_port) { |
c6bd8c70 | 1515 | error_setg(errp, QERR_MISSING_PARAMETER, "port/tls-port"); |
b8a185bc | 1516 | return; |
6ec5dae5 YH |
1517 | } |
1518 | ||
b8a185bc MA |
1519 | if (qemu_spice_migrate_info(hostname, |
1520 | has_port ? port : -1, | |
1521 | has_tls_port ? tls_port : -1, | |
1522 | cert_subject)) { | |
c6bd8c70 | 1523 | error_setg(errp, QERR_UNDEFINED_ERROR); |
b8a185bc | 1524 | return; |
e866e239 | 1525 | } |
b8a185bc | 1526 | return; |
e866e239 GH |
1527 | } |
1528 | ||
c6bd8c70 | 1529 | error_setg(errp, QERR_INVALID_PARAMETER_VALUE, "protocol", "spice"); |
e866e239 GH |
1530 | } |
1531 | ||
3e5a50d6 | 1532 | static void hmp_logfile(Monitor *mon, const QDict *qdict) |
e735b91c | 1533 | { |
daa76aa4 MA |
1534 | Error *err = NULL; |
1535 | ||
1536 | qemu_set_log_filename(qdict_get_str(qdict, "filename"), &err); | |
1537 | if (err) { | |
1538 | error_report_err(err); | |
1539 | } | |
e735b91c PB |
1540 | } |
1541 | ||
3e5a50d6 | 1542 | static void hmp_log(Monitor *mon, const QDict *qdict) |
f193c797 FB |
1543 | { |
1544 | int mask; | |
d54908a5 | 1545 | const char *items = qdict_get_str(qdict, "items"); |
3b46e624 | 1546 | |
9307c4c1 | 1547 | if (!strcmp(items, "none")) { |
f193c797 FB |
1548 | mask = 0; |
1549 | } else { | |
4fde1eba | 1550 | mask = qemu_str_to_log_mask(items); |
f193c797 | 1551 | if (!mask) { |
376253ec | 1552 | help_cmd(mon, "log"); |
f193c797 FB |
1553 | return; |
1554 | } | |
1555 | } | |
24537a01 | 1556 | qemu_set_log(mask); |
f193c797 FB |
1557 | } |
1558 | ||
3e5a50d6 | 1559 | static void hmp_singlestep(Monitor *mon, const QDict *qdict) |
1b530a6d | 1560 | { |
d54908a5 | 1561 | const char *option = qdict_get_try_str(qdict, "option"); |
1b530a6d AJ |
1562 | if (!option || !strcmp(option, "on")) { |
1563 | singlestep = 1; | |
1564 | } else if (!strcmp(option, "off")) { | |
1565 | singlestep = 0; | |
1566 | } else { | |
1567 | monitor_printf(mon, "unexpected option %s\n", option); | |
1568 | } | |
1569 | } | |
1570 | ||
3e5a50d6 | 1571 | static void hmp_gdbserver(Monitor *mon, const QDict *qdict) |
59030a8c | 1572 | { |
d54908a5 | 1573 | const char *device = qdict_get_try_str(qdict, "device"); |
59030a8c AL |
1574 | if (!device) |
1575 | device = "tcp::" DEFAULT_GDBSTUB_PORT; | |
1576 | if (gdbserver_start(device) < 0) { | |
1577 | monitor_printf(mon, "Could not open gdbserver on device '%s'\n", | |
1578 | device); | |
1579 | } else if (strcmp(device, "none") == 0) { | |
36556b20 | 1580 | monitor_printf(mon, "Disabled gdbserver\n"); |
8a7ddc38 | 1581 | } else { |
59030a8c AL |
1582 | monitor_printf(mon, "Waiting for gdb connection on device '%s'\n", |
1583 | device); | |
8a7ddc38 FB |
1584 | } |
1585 | } | |
1586 | ||
3e5a50d6 | 1587 | static void hmp_watchdog_action(Monitor *mon, const QDict *qdict) |
9dd986cc | 1588 | { |
d54908a5 | 1589 | const char *action = qdict_get_str(qdict, "action"); |
9dd986cc RJ |
1590 | if (select_watchdog_action(action) == -1) { |
1591 | monitor_printf(mon, "Unknown watchdog action '%s'\n", action); | |
1592 | } | |
1593 | } | |
1594 | ||
376253ec | 1595 | static void monitor_printc(Monitor *mon, int c) |
9307c4c1 | 1596 | { |
376253ec | 1597 | monitor_printf(mon, "'"); |
9307c4c1 FB |
1598 | switch(c) { |
1599 | case '\'': | |
376253ec | 1600 | monitor_printf(mon, "\\'"); |
9307c4c1 FB |
1601 | break; |
1602 | case '\\': | |
376253ec | 1603 | monitor_printf(mon, "\\\\"); |
9307c4c1 FB |
1604 | break; |
1605 | case '\n': | |
376253ec | 1606 | monitor_printf(mon, "\\n"); |
9307c4c1 FB |
1607 | break; |
1608 | case '\r': | |
376253ec | 1609 | monitor_printf(mon, "\\r"); |
9307c4c1 FB |
1610 | break; |
1611 | default: | |
1612 | if (c >= 32 && c <= 126) { | |
376253ec | 1613 | monitor_printf(mon, "%c", c); |
9307c4c1 | 1614 | } else { |
376253ec | 1615 | monitor_printf(mon, "\\x%02x", c); |
9307c4c1 FB |
1616 | } |
1617 | break; | |
1618 | } | |
376253ec | 1619 | monitor_printf(mon, "'"); |
9307c4c1 FB |
1620 | } |
1621 | ||
376253ec | 1622 | static void memory_dump(Monitor *mon, int count, int format, int wsize, |
a8170e5e | 1623 | hwaddr addr, int is_physical) |
9307c4c1 | 1624 | { |
23842aab | 1625 | int l, line_size, i, max_digits, len; |
9307c4c1 FB |
1626 | uint8_t buf[16]; |
1627 | uint64_t v; | |
854e67fe TH |
1628 | CPUState *cs = mon_get_cpu(); |
1629 | ||
1630 | if (!cs && (format == 'i' || !is_physical)) { | |
1631 | monitor_printf(mon, "Can not dump without CPU\n"); | |
1632 | return; | |
1633 | } | |
9307c4c1 FB |
1634 | |
1635 | if (format == 'i') { | |
1d48474d | 1636 | monitor_disas(mon, cs, addr, count, is_physical); |
9307c4c1 FB |
1637 | return; |
1638 | } | |
1639 | ||
1640 | len = wsize * count; | |
1641 | if (wsize == 1) | |
1642 | line_size = 8; | |
1643 | else | |
1644 | line_size = 16; | |
9307c4c1 FB |
1645 | max_digits = 0; |
1646 | ||
1647 | switch(format) { | |
1648 | case 'o': | |
69db8dfc | 1649 | max_digits = DIV_ROUND_UP(wsize * 8, 3); |
9307c4c1 FB |
1650 | break; |
1651 | default: | |
1652 | case 'x': | |
1653 | max_digits = (wsize * 8) / 4; | |
1654 | break; | |
1655 | case 'u': | |
1656 | case 'd': | |
69db8dfc | 1657 | max_digits = DIV_ROUND_UP(wsize * 8 * 10, 33); |
9307c4c1 FB |
1658 | break; |
1659 | case 'c': | |
1660 | wsize = 1; | |
1661 | break; | |
1662 | } | |
1663 | ||
1664 | while (len > 0) { | |
7743e588 | 1665 | if (is_physical) |
376253ec | 1666 | monitor_printf(mon, TARGET_FMT_plx ":", addr); |
7743e588 | 1667 | else |
376253ec | 1668 | monitor_printf(mon, TARGET_FMT_lx ":", (target_ulong)addr); |
9307c4c1 FB |
1669 | l = len; |
1670 | if (l > line_size) | |
1671 | l = line_size; | |
1672 | if (is_physical) { | |
54f7b4a3 | 1673 | cpu_physical_memory_read(addr, buf, l); |
9307c4c1 | 1674 | } else { |
854e67fe | 1675 | if (cpu_memory_rw_debug(cs, addr, buf, l, 0) < 0) { |
376253ec | 1676 | monitor_printf(mon, " Cannot access memory\n"); |
c8f79b67 AL |
1677 | break; |
1678 | } | |
9307c4c1 | 1679 | } |
5fafdf24 | 1680 | i = 0; |
9307c4c1 FB |
1681 | while (i < l) { |
1682 | switch(wsize) { | |
1683 | default: | |
1684 | case 1: | |
24e60305 | 1685 | v = ldub_p(buf + i); |
9307c4c1 FB |
1686 | break; |
1687 | case 2: | |
24e60305 | 1688 | v = lduw_p(buf + i); |
9307c4c1 FB |
1689 | break; |
1690 | case 4: | |
24e60305 | 1691 | v = (uint32_t)ldl_p(buf + i); |
9307c4c1 FB |
1692 | break; |
1693 | case 8: | |
24e60305 | 1694 | v = ldq_p(buf + i); |
9307c4c1 FB |
1695 | break; |
1696 | } | |
376253ec | 1697 | monitor_printf(mon, " "); |
9307c4c1 FB |
1698 | switch(format) { |
1699 | case 'o': | |
376253ec | 1700 | monitor_printf(mon, "%#*" PRIo64, max_digits, v); |
9307c4c1 FB |
1701 | break; |
1702 | case 'x': | |
376253ec | 1703 | monitor_printf(mon, "0x%0*" PRIx64, max_digits, v); |
9307c4c1 FB |
1704 | break; |
1705 | case 'u': | |
376253ec | 1706 | monitor_printf(mon, "%*" PRIu64, max_digits, v); |
9307c4c1 FB |
1707 | break; |
1708 | case 'd': | |
376253ec | 1709 | monitor_printf(mon, "%*" PRId64, max_digits, v); |
9307c4c1 FB |
1710 | break; |
1711 | case 'c': | |
376253ec | 1712 | monitor_printc(mon, v); |
9307c4c1 FB |
1713 | break; |
1714 | } | |
1715 | i += wsize; | |
1716 | } | |
376253ec | 1717 | monitor_printf(mon, "\n"); |
9307c4c1 FB |
1718 | addr += l; |
1719 | len -= l; | |
1720 | } | |
1721 | } | |
1722 | ||
3e5a50d6 | 1723 | static void hmp_memory_dump(Monitor *mon, const QDict *qdict) |
9307c4c1 | 1724 | { |
1bd1442e LC |
1725 | int count = qdict_get_int(qdict, "count"); |
1726 | int format = qdict_get_int(qdict, "format"); | |
1727 | int size = qdict_get_int(qdict, "size"); | |
1728 | target_long addr = qdict_get_int(qdict, "addr"); | |
1729 | ||
376253ec | 1730 | memory_dump(mon, count, format, size, addr, 0); |
9307c4c1 FB |
1731 | } |
1732 | ||
3e5a50d6 | 1733 | static void hmp_physical_memory_dump(Monitor *mon, const QDict *qdict) |
9307c4c1 | 1734 | { |
1bd1442e LC |
1735 | int count = qdict_get_int(qdict, "count"); |
1736 | int format = qdict_get_int(qdict, "format"); | |
1737 | int size = qdict_get_int(qdict, "size"); | |
a8170e5e | 1738 | hwaddr addr = qdict_get_int(qdict, "addr"); |
1bd1442e | 1739 | |
376253ec | 1740 | memory_dump(mon, count, format, size, addr, 1); |
9307c4c1 FB |
1741 | } |
1742 | ||
e9628441 PB |
1743 | static void *gpa2hva(MemoryRegion **p_mr, hwaddr addr, Error **errp) |
1744 | { | |
1745 | MemoryRegionSection mrs = memory_region_find(get_system_memory(), | |
1746 | addr, 1); | |
1747 | ||
1748 | if (!mrs.mr) { | |
1749 | error_setg(errp, "No memory is mapped at address 0x%" HWADDR_PRIx, addr); | |
1750 | return NULL; | |
1751 | } | |
1752 | ||
1753 | if (!memory_region_is_ram(mrs.mr) && !memory_region_is_romd(mrs.mr)) { | |
1754 | error_setg(errp, "Memory at address 0x%" HWADDR_PRIx "is not RAM", addr); | |
1755 | memory_region_unref(mrs.mr); | |
1756 | return NULL; | |
1757 | } | |
1758 | ||
1759 | *p_mr = mrs.mr; | |
1760 | return qemu_map_ram_ptr(mrs.mr->ram_block, mrs.offset_within_region); | |
1761 | } | |
1762 | ||
1763 | static void hmp_gpa2hva(Monitor *mon, const QDict *qdict) | |
1764 | { | |
1765 | hwaddr addr = qdict_get_int(qdict, "addr"); | |
1766 | Error *local_err = NULL; | |
1767 | MemoryRegion *mr = NULL; | |
1768 | void *ptr; | |
1769 | ||
1770 | ptr = gpa2hva(&mr, addr, &local_err); | |
1771 | if (local_err) { | |
1772 | error_report_err(local_err); | |
1773 | return; | |
1774 | } | |
1775 | ||
1776 | monitor_printf(mon, "Host virtual address for 0x%" HWADDR_PRIx | |
1777 | " (%s) is %p\n", | |
1778 | addr, mr->name, ptr); | |
1779 | ||
1780 | memory_region_unref(mr); | |
1781 | } | |
1782 | ||
1783 | #ifdef CONFIG_LINUX | |
1784 | static uint64_t vtop(void *ptr, Error **errp) | |
1785 | { | |
1786 | uint64_t pinfo; | |
1787 | uint64_t ret = -1; | |
1788 | uintptr_t addr = (uintptr_t) ptr; | |
1789 | uintptr_t pagesize = getpagesize(); | |
1790 | off_t offset = addr / pagesize * sizeof(pinfo); | |
1791 | int fd; | |
1792 | ||
1793 | fd = open("/proc/self/pagemap", O_RDONLY); | |
1794 | if (fd == -1) { | |
1795 | error_setg_errno(errp, errno, "Cannot open /proc/self/pagemap"); | |
1796 | return -1; | |
1797 | } | |
1798 | ||
1799 | /* Force copy-on-write if necessary. */ | |
1800 | atomic_add((uint8_t *)ptr, 0); | |
1801 | ||
1802 | if (pread(fd, &pinfo, sizeof(pinfo), offset) != sizeof(pinfo)) { | |
1803 | error_setg_errno(errp, errno, "Cannot read pagemap"); | |
1804 | goto out; | |
1805 | } | |
1806 | if ((pinfo & (1ull << 63)) == 0) { | |
1807 | error_setg(errp, "Page not present"); | |
1808 | goto out; | |
1809 | } | |
1810 | ret = ((pinfo & 0x007fffffffffffffull) * pagesize) | (addr & (pagesize - 1)); | |
1811 | ||
1812 | out: | |
1813 | close(fd); | |
1814 | return ret; | |
1815 | } | |
1816 | ||
1817 | static void hmp_gpa2hpa(Monitor *mon, const QDict *qdict) | |
1818 | { | |
1819 | hwaddr addr = qdict_get_int(qdict, "addr"); | |
1820 | Error *local_err = NULL; | |
1821 | MemoryRegion *mr = NULL; | |
1822 | void *ptr; | |
1823 | uint64_t physaddr; | |
1824 | ||
1825 | ptr = gpa2hva(&mr, addr, &local_err); | |
1826 | if (local_err) { | |
1827 | error_report_err(local_err); | |
1828 | return; | |
1829 | } | |
1830 | ||
1831 | physaddr = vtop(ptr, &local_err); | |
1832 | if (local_err) { | |
1833 | error_report_err(local_err); | |
1834 | } else { | |
1835 | monitor_printf(mon, "Host physical address for 0x%" HWADDR_PRIx | |
1836 | " (%s) is 0x%" PRIx64 "\n", | |
1837 | addr, mr->name, (uint64_t) physaddr); | |
1838 | } | |
1839 | ||
1840 | memory_region_unref(mr); | |
1841 | } | |
1842 | #endif | |
1843 | ||
1bd1442e | 1844 | static void do_print(Monitor *mon, const QDict *qdict) |
9307c4c1 | 1845 | { |
1bd1442e | 1846 | int format = qdict_get_int(qdict, "format"); |
a8170e5e | 1847 | hwaddr val = qdict_get_int(qdict, "val"); |
1bd1442e | 1848 | |
9307c4c1 FB |
1849 | switch(format) { |
1850 | case 'o': | |
a8170e5e | 1851 | monitor_printf(mon, "%#" HWADDR_PRIo, val); |
9307c4c1 FB |
1852 | break; |
1853 | case 'x': | |
a8170e5e | 1854 | monitor_printf(mon, "%#" HWADDR_PRIx, val); |
9307c4c1 FB |
1855 | break; |
1856 | case 'u': | |
a8170e5e | 1857 | monitor_printf(mon, "%" HWADDR_PRIu, val); |
9307c4c1 FB |
1858 | break; |
1859 | default: | |
1860 | case 'd': | |
a8170e5e | 1861 | monitor_printf(mon, "%" HWADDR_PRId, val); |
9307c4c1 FB |
1862 | break; |
1863 | case 'c': | |
376253ec | 1864 | monitor_printc(mon, val); |
9307c4c1 FB |
1865 | break; |
1866 | } | |
376253ec | 1867 | monitor_printf(mon, "\n"); |
9307c4c1 FB |
1868 | } |
1869 | ||
3e5a50d6 | 1870 | static void hmp_sum(Monitor *mon, const QDict *qdict) |
e4cf1adc FB |
1871 | { |
1872 | uint32_t addr; | |
e4cf1adc | 1873 | uint16_t sum; |
f18c16de LC |
1874 | uint32_t start = qdict_get_int(qdict, "start"); |
1875 | uint32_t size = qdict_get_int(qdict, "size"); | |
e4cf1adc FB |
1876 | |
1877 | sum = 0; | |
1878 | for(addr = start; addr < (start + size); addr++) { | |
42874d3a PM |
1879 | uint8_t val = address_space_ldub(&address_space_memory, addr, |
1880 | MEMTXATTRS_UNSPECIFIED, NULL); | |
e4cf1adc FB |
1881 | /* BSD sum algorithm ('sum' Unix command) */ |
1882 | sum = (sum >> 1) | (sum << 15); | |
54f7b4a3 | 1883 | sum += val; |
e4cf1adc | 1884 | } |
376253ec | 1885 | monitor_printf(mon, "%05d\n", sum); |
e4cf1adc FB |
1886 | } |
1887 | ||
13224a87 FB |
1888 | static int mouse_button_state; |
1889 | ||
3e5a50d6 | 1890 | static void hmp_mouse_move(Monitor *mon, const QDict *qdict) |
13224a87 | 1891 | { |
c751a74a | 1892 | int dx, dy, dz, button; |
1d4daa91 LC |
1893 | const char *dx_str = qdict_get_str(qdict, "dx_str"); |
1894 | const char *dy_str = qdict_get_str(qdict, "dy_str"); | |
1895 | const char *dz_str = qdict_get_try_str(qdict, "dz_str"); | |
c751a74a | 1896 | |
13224a87 FB |
1897 | dx = strtol(dx_str, NULL, 0); |
1898 | dy = strtol(dy_str, NULL, 0); | |
c751a74a GH |
1899 | qemu_input_queue_rel(NULL, INPUT_AXIS_X, dx); |
1900 | qemu_input_queue_rel(NULL, INPUT_AXIS_Y, dy); | |
1901 | ||
1902 | if (dz_str) { | |
13224a87 | 1903 | dz = strtol(dz_str, NULL, 0); |
c751a74a | 1904 | if (dz != 0) { |
f22d0af0 | 1905 | button = (dz > 0) ? INPUT_BUTTON_WHEEL_UP : INPUT_BUTTON_WHEEL_DOWN; |
c751a74a GH |
1906 | qemu_input_queue_btn(NULL, button, true); |
1907 | qemu_input_event_sync(); | |
1908 | qemu_input_queue_btn(NULL, button, false); | |
1909 | } | |
1910 | } | |
1911 | qemu_input_event_sync(); | |
13224a87 FB |
1912 | } |
1913 | ||
3e5a50d6 | 1914 | static void hmp_mouse_button(Monitor *mon, const QDict *qdict) |
13224a87 | 1915 | { |
7fb1cf16 | 1916 | static uint32_t bmap[INPUT_BUTTON__MAX] = { |
c751a74a GH |
1917 | [INPUT_BUTTON_LEFT] = MOUSE_EVENT_LBUTTON, |
1918 | [INPUT_BUTTON_MIDDLE] = MOUSE_EVENT_MBUTTON, | |
1919 | [INPUT_BUTTON_RIGHT] = MOUSE_EVENT_RBUTTON, | |
1920 | }; | |
d54908a5 | 1921 | int button_state = qdict_get_int(qdict, "button_state"); |
c751a74a GH |
1922 | |
1923 | if (mouse_button_state == button_state) { | |
1924 | return; | |
1925 | } | |
1926 | qemu_input_update_buttons(NULL, bmap, mouse_button_state, button_state); | |
1927 | qemu_input_event_sync(); | |
13224a87 | 1928 | mouse_button_state = button_state; |
13224a87 FB |
1929 | } |
1930 | ||
3e5a50d6 | 1931 | static void hmp_ioport_read(Monitor *mon, const QDict *qdict) |
3440557b | 1932 | { |
aa93e39c LC |
1933 | int size = qdict_get_int(qdict, "size"); |
1934 | int addr = qdict_get_int(qdict, "addr"); | |
1935 | int has_index = qdict_haskey(qdict, "index"); | |
3440557b FB |
1936 | uint32_t val; |
1937 | int suffix; | |
1938 | ||
1939 | if (has_index) { | |
aa93e39c | 1940 | int index = qdict_get_int(qdict, "index"); |
afcea8cb | 1941 | cpu_outb(addr & IOPORTS_MASK, index & 0xff); |
3440557b FB |
1942 | addr++; |
1943 | } | |
1944 | addr &= 0xffff; | |
1945 | ||
1946 | switch(size) { | |
1947 | default: | |
1948 | case 1: | |
afcea8cb | 1949 | val = cpu_inb(addr); |
3440557b FB |
1950 | suffix = 'b'; |
1951 | break; | |
1952 | case 2: | |
afcea8cb | 1953 | val = cpu_inw(addr); |
3440557b FB |
1954 | suffix = 'w'; |
1955 | break; | |
1956 | case 4: | |
afcea8cb | 1957 | val = cpu_inl(addr); |
3440557b FB |
1958 | suffix = 'l'; |
1959 | break; | |
1960 | } | |
376253ec AL |
1961 | monitor_printf(mon, "port%c[0x%04x] = %#0*x\n", |
1962 | suffix, addr, size * 2, val); | |
3440557b | 1963 | } |
a3a91a35 | 1964 | |
3e5a50d6 | 1965 | static void hmp_ioport_write(Monitor *mon, const QDict *qdict) |
f114784f | 1966 | { |
1bd1442e LC |
1967 | int size = qdict_get_int(qdict, "size"); |
1968 | int addr = qdict_get_int(qdict, "addr"); | |
1969 | int val = qdict_get_int(qdict, "val"); | |
1970 | ||
f114784f JK |
1971 | addr &= IOPORTS_MASK; |
1972 | ||
1973 | switch (size) { | |
1974 | default: | |
1975 | case 1: | |
afcea8cb | 1976 | cpu_outb(addr, val); |
f114784f JK |
1977 | break; |
1978 | case 2: | |
afcea8cb | 1979 | cpu_outw(addr, val); |
f114784f JK |
1980 | break; |
1981 | case 4: | |
afcea8cb | 1982 | cpu_outl(addr, val); |
f114784f JK |
1983 | break; |
1984 | } | |
1985 | } | |
1986 | ||
3e5a50d6 | 1987 | static void hmp_boot_set(Monitor *mon, const QDict *qdict) |
0ecdffbb | 1988 | { |
f1839938 | 1989 | Error *local_err = NULL; |
d54908a5 | 1990 | const char *bootdevice = qdict_get_str(qdict, "bootdevice"); |
0ecdffbb | 1991 | |
f1839938 GA |
1992 | qemu_boot_set(bootdevice, &local_err); |
1993 | if (local_err) { | |
193227f9 | 1994 | error_report_err(local_err); |
0ecdffbb | 1995 | } else { |
f1839938 | 1996 | monitor_printf(mon, "boot device list now set to %s\n", bootdevice); |
0ecdffbb AJ |
1997 | } |
1998 | } | |
1999 | ||
1ce6be24 | 2000 | static void hmp_info_mtree(Monitor *mon, const QDict *qdict) |
314e2987 | 2001 | { |
57bb40c9 | 2002 | bool flatview = qdict_get_try_bool(qdict, "flatview", false); |
5e8fd947 | 2003 | bool dispatch_tree = qdict_get_try_bool(qdict, "dispatch_tree", false); |
57bb40c9 | 2004 | |
5e8fd947 | 2005 | mtree_info((fprintf_function)monitor_printf, mon, flatview, dispatch_tree); |
314e2987 BS |
2006 | } |
2007 | ||
1ce6be24 | 2008 | static void hmp_info_numa(Monitor *mon, const QDict *qdict) |
030ea37b | 2009 | { |
b28b6230 | 2010 | int i; |
31959e82 | 2011 | NumaNodeMem *node_mem; |
f75cd44d | 2012 | CpuInfoList *cpu_list, *cpu; |
030ea37b | 2013 | |
f75cd44d | 2014 | cpu_list = qmp_query_cpus(&error_abort); |
31959e82 VG |
2015 | node_mem = g_new0(NumaNodeMem, nb_numa_nodes); |
2016 | ||
5b009e40 | 2017 | query_numa_node_mem(node_mem); |
030ea37b AL |
2018 | monitor_printf(mon, "%d nodes\n", nb_numa_nodes); |
2019 | for (i = 0; i < nb_numa_nodes; i++) { | |
2020 | monitor_printf(mon, "node %d cpus:", i); | |
f75cd44d IM |
2021 | for (cpu = cpu_list; cpu; cpu = cpu->next) { |
2022 | if (cpu->value->has_props && cpu->value->props->has_node_id && | |
2023 | cpu->value->props->node_id == i) { | |
2024 | monitor_printf(mon, " %" PRIi64, cpu->value->CPU); | |
030ea37b AL |
2025 | } |
2026 | } | |
2027 | monitor_printf(mon, "\n"); | |
2028 | monitor_printf(mon, "node %d size: %" PRId64 " MB\n", i, | |
31959e82 VG |
2029 | node_mem[i].node_mem >> 20); |
2030 | monitor_printf(mon, "node %d plugged: %" PRId64 " MB\n", i, | |
2031 | node_mem[i].node_plugged_mem >> 20); | |
030ea37b | 2032 | } |
f75cd44d | 2033 | qapi_free_CpuInfoList(cpu_list); |
5b009e40 | 2034 | g_free(node_mem); |
030ea37b AL |
2035 | } |
2036 | ||
5f1ce948 FB |
2037 | #ifdef CONFIG_PROFILER |
2038 | ||
89d5cbdd | 2039 | int64_t tcg_time; |
e9a6625e AJ |
2040 | int64_t dev_time; |
2041 | ||
1ce6be24 | 2042 | static void hmp_info_profile(Monitor *mon, const QDict *qdict) |
5f1ce948 | 2043 | { |
376253ec | 2044 | monitor_printf(mon, "async time %" PRId64 " (%0.3f)\n", |
73bcb24d | 2045 | dev_time, dev_time / (double)NANOSECONDS_PER_SECOND); |
376253ec | 2046 | monitor_printf(mon, "qemu time %" PRId64 " (%0.3f)\n", |
73bcb24d | 2047 | tcg_time, tcg_time / (double)NANOSECONDS_PER_SECOND); |
89d5cbdd | 2048 | tcg_time = 0; |
5f1ce948 | 2049 | dev_time = 0; |
5f1ce948 FB |
2050 | } |
2051 | #else | |
1ce6be24 | 2052 | static void hmp_info_profile(Monitor *mon, const QDict *qdict) |
5f1ce948 | 2053 | { |
376253ec | 2054 | monitor_printf(mon, "Internal profiler not compiled\n"); |
5f1ce948 FB |
2055 | } |
2056 | #endif | |
2057 | ||
ec36b695 | 2058 | /* Capture support */ |
72cf2d4f | 2059 | static QLIST_HEAD (capture_list_head, CaptureState) capture_head; |
ec36b695 | 2060 | |
1ce6be24 | 2061 | static void hmp_info_capture(Monitor *mon, const QDict *qdict) |
ec36b695 FB |
2062 | { |
2063 | int i; | |
2064 | CaptureState *s; | |
2065 | ||
2066 | for (s = capture_head.lh_first, i = 0; s; s = s->entries.le_next, ++i) { | |
376253ec | 2067 | monitor_printf(mon, "[%d]: ", i); |
ec36b695 FB |
2068 | s->ops.info (s->opaque); |
2069 | } | |
2070 | } | |
2071 | ||
3e5a50d6 | 2072 | static void hmp_stopcapture(Monitor *mon, const QDict *qdict) |
ec36b695 FB |
2073 | { |
2074 | int i; | |
d54908a5 | 2075 | int n = qdict_get_int(qdict, "n"); |
ec36b695 FB |
2076 | CaptureState *s; |
2077 | ||
2078 | for (s = capture_head.lh_first, i = 0; s; s = s->entries.le_next, ++i) { | |
2079 | if (i == n) { | |
2080 | s->ops.destroy (s->opaque); | |
72cf2d4f | 2081 | QLIST_REMOVE (s, entries); |
7267c094 | 2082 | g_free (s); |
ec36b695 FB |
2083 | return; |
2084 | } | |
2085 | } | |
2086 | } | |
2087 | ||
3e5a50d6 | 2088 | static void hmp_wavcapture(Monitor *mon, const QDict *qdict) |
c1925484 LC |
2089 | { |
2090 | const char *path = qdict_get_str(qdict, "path"); | |
2091 | int has_freq = qdict_haskey(qdict, "freq"); | |
2092 | int freq = qdict_get_try_int(qdict, "freq", -1); | |
2093 | int has_bits = qdict_haskey(qdict, "bits"); | |
2094 | int bits = qdict_get_try_int(qdict, "bits", -1); | |
2095 | int has_channels = qdict_haskey(qdict, "nchannels"); | |
2096 | int nchannels = qdict_get_try_int(qdict, "nchannels", -1); | |
ec36b695 FB |
2097 | CaptureState *s; |
2098 | ||
7267c094 | 2099 | s = g_malloc0 (sizeof (*s)); |
ec36b695 FB |
2100 | |
2101 | freq = has_freq ? freq : 44100; | |
2102 | bits = has_bits ? bits : 16; | |
2103 | nchannels = has_channels ? nchannels : 2; | |
2104 | ||
2105 | if (wav_start_capture (s, path, freq, bits, nchannels)) { | |
d00b2618 | 2106 | monitor_printf(mon, "Failed to add wave capture\n"); |
7267c094 | 2107 | g_free (s); |
d00b2618 | 2108 | return; |
ec36b695 | 2109 | } |
72cf2d4f | 2110 | QLIST_INSERT_HEAD (&capture_head, s, entries); |
ec36b695 | 2111 | } |
ec36b695 | 2112 | |
15dfcd45 | 2113 | static qemu_acl *find_acl(Monitor *mon, const char *name) |
76655d6d | 2114 | { |
15dfcd45 | 2115 | qemu_acl *acl = qemu_acl_find(name); |
76655d6d | 2116 | |
76655d6d | 2117 | if (!acl) { |
15dfcd45 | 2118 | monitor_printf(mon, "acl: unknown list '%s'\n", name); |
76655d6d | 2119 | } |
15dfcd45 JK |
2120 | return acl; |
2121 | } | |
2122 | ||
3e5a50d6 | 2123 | static void hmp_acl_show(Monitor *mon, const QDict *qdict) |
15dfcd45 | 2124 | { |
d54908a5 | 2125 | const char *aclname = qdict_get_str(qdict, "aclname"); |
15dfcd45 JK |
2126 | qemu_acl *acl = find_acl(mon, aclname); |
2127 | qemu_acl_entry *entry; | |
2128 | int i = 0; | |
76655d6d | 2129 | |
15dfcd45 | 2130 | if (acl) { |
28a76be8 | 2131 | monitor_printf(mon, "policy: %s\n", |
76655d6d | 2132 | acl->defaultDeny ? "deny" : "allow"); |
72cf2d4f | 2133 | QTAILQ_FOREACH(entry, &acl->entries, next) { |
28a76be8 AL |
2134 | i++; |
2135 | monitor_printf(mon, "%d: %s %s\n", i, | |
15dfcd45 | 2136 | entry->deny ? "deny" : "allow", entry->match); |
28a76be8 | 2137 | } |
15dfcd45 JK |
2138 | } |
2139 | } | |
2140 | ||
3e5a50d6 | 2141 | static void hmp_acl_reset(Monitor *mon, const QDict *qdict) |
15dfcd45 | 2142 | { |
d54908a5 | 2143 | const char *aclname = qdict_get_str(qdict, "aclname"); |
15dfcd45 JK |
2144 | qemu_acl *acl = find_acl(mon, aclname); |
2145 | ||
2146 | if (acl) { | |
28a76be8 AL |
2147 | qemu_acl_reset(acl); |
2148 | monitor_printf(mon, "acl: removed all rules\n"); | |
15dfcd45 JK |
2149 | } |
2150 | } | |
2151 | ||
3e5a50d6 | 2152 | static void hmp_acl_policy(Monitor *mon, const QDict *qdict) |
15dfcd45 | 2153 | { |
f18c16de LC |
2154 | const char *aclname = qdict_get_str(qdict, "aclname"); |
2155 | const char *policy = qdict_get_str(qdict, "policy"); | |
15dfcd45 | 2156 | qemu_acl *acl = find_acl(mon, aclname); |
28a76be8 | 2157 | |
15dfcd45 JK |
2158 | if (acl) { |
2159 | if (strcmp(policy, "allow") == 0) { | |
28a76be8 AL |
2160 | acl->defaultDeny = 0; |
2161 | monitor_printf(mon, "acl: policy set to 'allow'\n"); | |
15dfcd45 | 2162 | } else if (strcmp(policy, "deny") == 0) { |
28a76be8 AL |
2163 | acl->defaultDeny = 1; |
2164 | monitor_printf(mon, "acl: policy set to 'deny'\n"); | |
2165 | } else { | |
15dfcd45 JK |
2166 | monitor_printf(mon, "acl: unknown policy '%s', " |
2167 | "expected 'deny' or 'allow'\n", policy); | |
28a76be8 | 2168 | } |
15dfcd45 JK |
2169 | } |
2170 | } | |
28a76be8 | 2171 | |
3e5a50d6 | 2172 | static void hmp_acl_add(Monitor *mon, const QDict *qdict) |
15dfcd45 | 2173 | { |
1bd1442e LC |
2174 | const char *aclname = qdict_get_str(qdict, "aclname"); |
2175 | const char *match = qdict_get_str(qdict, "match"); | |
2176 | const char *policy = qdict_get_str(qdict, "policy"); | |
2177 | int has_index = qdict_haskey(qdict, "index"); | |
2178 | int index = qdict_get_try_int(qdict, "index", -1); | |
15dfcd45 JK |
2179 | qemu_acl *acl = find_acl(mon, aclname); |
2180 | int deny, ret; | |
2181 | ||
2182 | if (acl) { | |
2183 | if (strcmp(policy, "allow") == 0) { | |
2184 | deny = 0; | |
2185 | } else if (strcmp(policy, "deny") == 0) { | |
2186 | deny = 1; | |
2187 | } else { | |
2188 | monitor_printf(mon, "acl: unknown policy '%s', " | |
2189 | "expected 'deny' or 'allow'\n", policy); | |
28a76be8 AL |
2190 | return; |
2191 | } | |
28a76be8 AL |
2192 | if (has_index) |
2193 | ret = qemu_acl_insert(acl, deny, match, index); | |
2194 | else | |
2195 | ret = qemu_acl_append(acl, deny, match); | |
2196 | if (ret < 0) | |
2197 | monitor_printf(mon, "acl: unable to add acl entry\n"); | |
2198 | else | |
2199 | monitor_printf(mon, "acl: added rule at position %d\n", ret); | |
15dfcd45 JK |
2200 | } |
2201 | } | |
28a76be8 | 2202 | |
3e5a50d6 | 2203 | static void hmp_acl_remove(Monitor *mon, const QDict *qdict) |
15dfcd45 | 2204 | { |
f18c16de LC |
2205 | const char *aclname = qdict_get_str(qdict, "aclname"); |
2206 | const char *match = qdict_get_str(qdict, "match"); | |
15dfcd45 JK |
2207 | qemu_acl *acl = find_acl(mon, aclname); |
2208 | int ret; | |
28a76be8 | 2209 | |
15dfcd45 | 2210 | if (acl) { |
28a76be8 AL |
2211 | ret = qemu_acl_remove(acl, match); |
2212 | if (ret < 0) | |
2213 | monitor_printf(mon, "acl: no matching acl entry\n"); | |
2214 | else | |
2215 | monitor_printf(mon, "acl: removed rule at position %d\n", ret); | |
76655d6d AL |
2216 | } |
2217 | } | |
2218 | ||
208c9d1b | 2219 | void qmp_getfd(const char *fdname, Error **errp) |
f07918fd | 2220 | { |
c227f099 | 2221 | mon_fd_t *monfd; |
9409fc05 | 2222 | int fd, tmp_fd; |
f07918fd | 2223 | |
5345fdb4 | 2224 | fd = qemu_chr_fe_get_msgfd(&cur_mon->chr); |
f07918fd | 2225 | if (fd == -1) { |
c6bd8c70 | 2226 | error_setg(errp, QERR_FD_NOT_SUPPLIED); |
208c9d1b | 2227 | return; |
f07918fd MM |
2228 | } |
2229 | ||
2230 | if (qemu_isdigit(fdname[0])) { | |
0b9f0e2f | 2231 | close(fd); |
c6bd8c70 MA |
2232 | error_setg(errp, QERR_INVALID_PARAMETER_VALUE, "fdname", |
2233 | "a name not starting with a digit"); | |
208c9d1b | 2234 | return; |
f07918fd MM |
2235 | } |
2236 | ||
9409fc05 | 2237 | qemu_mutex_lock(&cur_mon->mon_lock); |
208c9d1b | 2238 | QLIST_FOREACH(monfd, &cur_mon->fds, next) { |
f07918fd MM |
2239 | if (strcmp(monfd->name, fdname) != 0) { |
2240 | continue; | |
2241 | } | |
2242 | ||
9409fc05 | 2243 | tmp_fd = monfd->fd; |
f07918fd | 2244 | monfd->fd = fd; |
9409fc05 PX |
2245 | qemu_mutex_unlock(&cur_mon->mon_lock); |
2246 | /* Make sure close() is out of critical section */ | |
2247 | close(tmp_fd); | |
208c9d1b | 2248 | return; |
f07918fd MM |
2249 | } |
2250 | ||
7267c094 AL |
2251 | monfd = g_malloc0(sizeof(mon_fd_t)); |
2252 | monfd->name = g_strdup(fdname); | |
f07918fd MM |
2253 | monfd->fd = fd; |
2254 | ||
208c9d1b | 2255 | QLIST_INSERT_HEAD(&cur_mon->fds, monfd, next); |
9409fc05 | 2256 | qemu_mutex_unlock(&cur_mon->mon_lock); |
f07918fd MM |
2257 | } |
2258 | ||
208c9d1b | 2259 | void qmp_closefd(const char *fdname, Error **errp) |
f07918fd | 2260 | { |
c227f099 | 2261 | mon_fd_t *monfd; |
9409fc05 | 2262 | int tmp_fd; |
f07918fd | 2263 | |
9409fc05 | 2264 | qemu_mutex_lock(&cur_mon->mon_lock); |
208c9d1b | 2265 | QLIST_FOREACH(monfd, &cur_mon->fds, next) { |
f07918fd MM |
2266 | if (strcmp(monfd->name, fdname) != 0) { |
2267 | continue; | |
2268 | } | |
2269 | ||
72cf2d4f | 2270 | QLIST_REMOVE(monfd, next); |
9409fc05 | 2271 | tmp_fd = monfd->fd; |
7267c094 AL |
2272 | g_free(monfd->name); |
2273 | g_free(monfd); | |
9409fc05 PX |
2274 | qemu_mutex_unlock(&cur_mon->mon_lock); |
2275 | /* Make sure close() is out of critical section */ | |
2276 | close(tmp_fd); | |
208c9d1b | 2277 | return; |
f07918fd MM |
2278 | } |
2279 | ||
9409fc05 | 2280 | qemu_mutex_unlock(&cur_mon->mon_lock); |
c6bd8c70 | 2281 | error_setg(errp, QERR_FD_NOT_FOUND, fdname); |
f07918fd MM |
2282 | } |
2283 | ||
a9940fc4 | 2284 | int monitor_get_fd(Monitor *mon, const char *fdname, Error **errp) |
7768e04c | 2285 | { |
c227f099 | 2286 | mon_fd_t *monfd; |
7768e04c | 2287 | |
9409fc05 | 2288 | qemu_mutex_lock(&mon->mon_lock); |
72cf2d4f | 2289 | QLIST_FOREACH(monfd, &mon->fds, next) { |
7768e04c MM |
2290 | int fd; |
2291 | ||
2292 | if (strcmp(monfd->name, fdname) != 0) { | |
2293 | continue; | |
2294 | } | |
2295 | ||
2296 | fd = monfd->fd; | |
2297 | ||
2298 | /* caller takes ownership of fd */ | |
72cf2d4f | 2299 | QLIST_REMOVE(monfd, next); |
7267c094 AL |
2300 | g_free(monfd->name); |
2301 | g_free(monfd); | |
9409fc05 | 2302 | qemu_mutex_unlock(&mon->mon_lock); |
7768e04c MM |
2303 | |
2304 | return fd; | |
2305 | } | |
2306 | ||
9409fc05 | 2307 | qemu_mutex_unlock(&mon->mon_lock); |
a9940fc4 | 2308 | error_setg(errp, "File descriptor named '%s' has not been found", fdname); |
7768e04c MM |
2309 | return -1; |
2310 | } | |
2311 | ||
ba1c048a CB |
2312 | static void monitor_fdset_cleanup(MonFdset *mon_fdset) |
2313 | { | |
2314 | MonFdsetFd *mon_fdset_fd; | |
2315 | MonFdsetFd *mon_fdset_fd_next; | |
2316 | ||
2317 | QLIST_FOREACH_SAFE(mon_fdset_fd, &mon_fdset->fds, next, mon_fdset_fd_next) { | |
ebe52b59 CB |
2318 | if ((mon_fdset_fd->removed || |
2319 | (QLIST_EMPTY(&mon_fdset->dup_fds) && mon_refcount == 0)) && | |
2320 | runstate_is_running()) { | |
ba1c048a CB |
2321 | close(mon_fdset_fd->fd); |
2322 | g_free(mon_fdset_fd->opaque); | |
2323 | QLIST_REMOVE(mon_fdset_fd, next); | |
2324 | g_free(mon_fdset_fd); | |
2325 | } | |
2326 | } | |
2327 | ||
adb696f3 | 2328 | if (QLIST_EMPTY(&mon_fdset->fds) && QLIST_EMPTY(&mon_fdset->dup_fds)) { |
ba1c048a CB |
2329 | QLIST_REMOVE(mon_fdset, next); |
2330 | g_free(mon_fdset); | |
2331 | } | |
2332 | } | |
2333 | ||
efb87c16 CB |
2334 | static void monitor_fdsets_cleanup(void) |
2335 | { | |
2336 | MonFdset *mon_fdset; | |
2337 | MonFdset *mon_fdset_next; | |
2338 | ||
47451466 | 2339 | qemu_mutex_lock(&mon_fdsets_lock); |
efb87c16 CB |
2340 | QLIST_FOREACH_SAFE(mon_fdset, &mon_fdsets, next, mon_fdset_next) { |
2341 | monitor_fdset_cleanup(mon_fdset); | |
2342 | } | |
47451466 | 2343 | qemu_mutex_unlock(&mon_fdsets_lock); |
efb87c16 CB |
2344 | } |
2345 | ||
ba1c048a CB |
2346 | AddfdInfo *qmp_add_fd(bool has_fdset_id, int64_t fdset_id, bool has_opaque, |
2347 | const char *opaque, Error **errp) | |
2348 | { | |
2349 | int fd; | |
2350 | Monitor *mon = cur_mon; | |
ba1c048a CB |
2351 | AddfdInfo *fdinfo; |
2352 | ||
5345fdb4 | 2353 | fd = qemu_chr_fe_get_msgfd(&mon->chr); |
ba1c048a | 2354 | if (fd == -1) { |
c6bd8c70 | 2355 | error_setg(errp, QERR_FD_NOT_SUPPLIED); |
ba1c048a CB |
2356 | goto error; |
2357 | } | |
2358 | ||
e446f70d CB |
2359 | fdinfo = monitor_fdset_add_fd(fd, has_fdset_id, fdset_id, |
2360 | has_opaque, opaque, errp); | |
2361 | if (fdinfo) { | |
2362 | return fdinfo; | |
ba1c048a | 2363 | } |
ba1c048a CB |
2364 | |
2365 | error: | |
2366 | if (fd != -1) { | |
2367 | close(fd); | |
2368 | } | |
2369 | return NULL; | |
2370 | } | |
2371 | ||
2372 | void qmp_remove_fd(int64_t fdset_id, bool has_fd, int64_t fd, Error **errp) | |
2373 | { | |
2374 | MonFdset *mon_fdset; | |
2375 | MonFdsetFd *mon_fdset_fd; | |
2376 | char fd_str[60]; | |
2377 | ||
47451466 | 2378 | qemu_mutex_lock(&mon_fdsets_lock); |
ba1c048a CB |
2379 | QLIST_FOREACH(mon_fdset, &mon_fdsets, next) { |
2380 | if (mon_fdset->id != fdset_id) { | |
2381 | continue; | |
2382 | } | |
2383 | QLIST_FOREACH(mon_fdset_fd, &mon_fdset->fds, next) { | |
2384 | if (has_fd) { | |
2385 | if (mon_fdset_fd->fd != fd) { | |
2386 | continue; | |
2387 | } | |
2388 | mon_fdset_fd->removed = true; | |
2389 | break; | |
2390 | } else { | |
2391 | mon_fdset_fd->removed = true; | |
2392 | } | |
2393 | } | |
2394 | if (has_fd && !mon_fdset_fd) { | |
2395 | goto error; | |
2396 | } | |
2397 | monitor_fdset_cleanup(mon_fdset); | |
47451466 | 2398 | qemu_mutex_unlock(&mon_fdsets_lock); |
ba1c048a CB |
2399 | return; |
2400 | } | |
2401 | ||
2402 | error: | |
47451466 | 2403 | qemu_mutex_unlock(&mon_fdsets_lock); |
ba1c048a CB |
2404 | if (has_fd) { |
2405 | snprintf(fd_str, sizeof(fd_str), "fdset-id:%" PRId64 ", fd:%" PRId64, | |
2406 | fdset_id, fd); | |
2407 | } else { | |
2408 | snprintf(fd_str, sizeof(fd_str), "fdset-id:%" PRId64, fdset_id); | |
2409 | } | |
c6bd8c70 | 2410 | error_setg(errp, QERR_FD_NOT_FOUND, fd_str); |
ba1c048a CB |
2411 | } |
2412 | ||
2413 | FdsetInfoList *qmp_query_fdsets(Error **errp) | |
2414 | { | |
2415 | MonFdset *mon_fdset; | |
2416 | MonFdsetFd *mon_fdset_fd; | |
2417 | FdsetInfoList *fdset_list = NULL; | |
2418 | ||
47451466 | 2419 | qemu_mutex_lock(&mon_fdsets_lock); |
ba1c048a CB |
2420 | QLIST_FOREACH(mon_fdset, &mon_fdsets, next) { |
2421 | FdsetInfoList *fdset_info = g_malloc0(sizeof(*fdset_info)); | |
2422 | FdsetFdInfoList *fdsetfd_list = NULL; | |
2423 | ||
2424 | fdset_info->value = g_malloc0(sizeof(*fdset_info->value)); | |
2425 | fdset_info->value->fdset_id = mon_fdset->id; | |
2426 | ||
2427 | QLIST_FOREACH(mon_fdset_fd, &mon_fdset->fds, next) { | |
2428 | FdsetFdInfoList *fdsetfd_info; | |
2429 | ||
2430 | fdsetfd_info = g_malloc0(sizeof(*fdsetfd_info)); | |
2431 | fdsetfd_info->value = g_malloc0(sizeof(*fdsetfd_info->value)); | |
2432 | fdsetfd_info->value->fd = mon_fdset_fd->fd; | |
2433 | if (mon_fdset_fd->opaque) { | |
2434 | fdsetfd_info->value->has_opaque = true; | |
2435 | fdsetfd_info->value->opaque = g_strdup(mon_fdset_fd->opaque); | |
2436 | } else { | |
2437 | fdsetfd_info->value->has_opaque = false; | |
2438 | } | |
2439 | ||
2440 | fdsetfd_info->next = fdsetfd_list; | |
2441 | fdsetfd_list = fdsetfd_info; | |
2442 | } | |
2443 | ||
2444 | fdset_info->value->fds = fdsetfd_list; | |
2445 | ||
2446 | fdset_info->next = fdset_list; | |
2447 | fdset_list = fdset_info; | |
2448 | } | |
47451466 | 2449 | qemu_mutex_unlock(&mon_fdsets_lock); |
ba1c048a CB |
2450 | |
2451 | return fdset_list; | |
2452 | } | |
2453 | ||
e446f70d CB |
2454 | AddfdInfo *monitor_fdset_add_fd(int fd, bool has_fdset_id, int64_t fdset_id, |
2455 | bool has_opaque, const char *opaque, | |
2456 | Error **errp) | |
2457 | { | |
2458 | MonFdset *mon_fdset = NULL; | |
2459 | MonFdsetFd *mon_fdset_fd; | |
2460 | AddfdInfo *fdinfo; | |
2461 | ||
47451466 | 2462 | qemu_mutex_lock(&mon_fdsets_lock); |
e446f70d CB |
2463 | if (has_fdset_id) { |
2464 | QLIST_FOREACH(mon_fdset, &mon_fdsets, next) { | |
2465 | /* Break if match found or match impossible due to ordering by ID */ | |
2466 | if (fdset_id <= mon_fdset->id) { | |
2467 | if (fdset_id < mon_fdset->id) { | |
2468 | mon_fdset = NULL; | |
2469 | } | |
2470 | break; | |
2471 | } | |
2472 | } | |
2473 | } | |
2474 | ||
2475 | if (mon_fdset == NULL) { | |
2476 | int64_t fdset_id_prev = -1; | |
2477 | MonFdset *mon_fdset_cur = QLIST_FIRST(&mon_fdsets); | |
2478 | ||
2479 | if (has_fdset_id) { | |
2480 | if (fdset_id < 0) { | |
c6bd8c70 MA |
2481 | error_setg(errp, QERR_INVALID_PARAMETER_VALUE, "fdset-id", |
2482 | "a non-negative value"); | |
47451466 | 2483 | qemu_mutex_unlock(&mon_fdsets_lock); |
e446f70d CB |
2484 | return NULL; |
2485 | } | |
2486 | /* Use specified fdset ID */ | |
2487 | QLIST_FOREACH(mon_fdset, &mon_fdsets, next) { | |
2488 | mon_fdset_cur = mon_fdset; | |
2489 | if (fdset_id < mon_fdset_cur->id) { | |
2490 | break; | |
2491 | } | |
2492 | } | |
2493 | } else { | |
2494 | /* Use first available fdset ID */ | |
2495 | QLIST_FOREACH(mon_fdset, &mon_fdsets, next) { | |
2496 | mon_fdset_cur = mon_fdset; | |
2497 | if (fdset_id_prev == mon_fdset_cur->id - 1) { | |
2498 | fdset_id_prev = mon_fdset_cur->id; | |
2499 | continue; | |
2500 | } | |
2501 | break; | |
2502 | } | |
2503 | } | |
2504 | ||
2505 | mon_fdset = g_malloc0(sizeof(*mon_fdset)); | |
2506 | if (has_fdset_id) { | |
2507 | mon_fdset->id = fdset_id; | |
2508 | } else { | |
2509 | mon_fdset->id = fdset_id_prev + 1; | |
2510 | } | |
2511 | ||
2512 | /* The fdset list is ordered by fdset ID */ | |
2513 | if (!mon_fdset_cur) { | |
2514 | QLIST_INSERT_HEAD(&mon_fdsets, mon_fdset, next); | |
2515 | } else if (mon_fdset->id < mon_fdset_cur->id) { | |
2516 | QLIST_INSERT_BEFORE(mon_fdset_cur, mon_fdset, next); | |
2517 | } else { | |
2518 | QLIST_INSERT_AFTER(mon_fdset_cur, mon_fdset, next); | |
2519 | } | |
2520 | } | |
2521 | ||
2522 | mon_fdset_fd = g_malloc0(sizeof(*mon_fdset_fd)); | |
2523 | mon_fdset_fd->fd = fd; | |
2524 | mon_fdset_fd->removed = false; | |
2525 | if (has_opaque) { | |
2526 | mon_fdset_fd->opaque = g_strdup(opaque); | |
2527 | } | |
2528 | QLIST_INSERT_HEAD(&mon_fdset->fds, mon_fdset_fd, next); | |
2529 | ||
2530 | fdinfo = g_malloc0(sizeof(*fdinfo)); | |
2531 | fdinfo->fdset_id = mon_fdset->id; | |
2532 | fdinfo->fd = mon_fdset_fd->fd; | |
2533 | ||
47451466 | 2534 | qemu_mutex_unlock(&mon_fdsets_lock); |
e446f70d CB |
2535 | return fdinfo; |
2536 | } | |
2537 | ||
adb696f3 CB |
2538 | int monitor_fdset_get_fd(int64_t fdset_id, int flags) |
2539 | { | |
47451466 PX |
2540 | #ifdef _WIN32 |
2541 | return -ENOENT; | |
2542 | #else | |
adb696f3 CB |
2543 | MonFdset *mon_fdset; |
2544 | MonFdsetFd *mon_fdset_fd; | |
2545 | int mon_fd_flags; | |
47451466 | 2546 | int ret; |
adb696f3 | 2547 | |
47451466 | 2548 | qemu_mutex_lock(&mon_fdsets_lock); |
adb696f3 CB |
2549 | QLIST_FOREACH(mon_fdset, &mon_fdsets, next) { |
2550 | if (mon_fdset->id != fdset_id) { | |
2551 | continue; | |
2552 | } | |
2553 | QLIST_FOREACH(mon_fdset_fd, &mon_fdset->fds, next) { | |
2554 | mon_fd_flags = fcntl(mon_fdset_fd->fd, F_GETFL); | |
2555 | if (mon_fd_flags == -1) { | |
47451466 PX |
2556 | ret = -errno; |
2557 | goto out; | |
adb696f3 CB |
2558 | } |
2559 | ||
2560 | if ((flags & O_ACCMODE) == (mon_fd_flags & O_ACCMODE)) { | |
47451466 PX |
2561 | ret = mon_fdset_fd->fd; |
2562 | goto out; | |
adb696f3 CB |
2563 | } |
2564 | } | |
47451466 PX |
2565 | ret = -EACCES; |
2566 | goto out; | |
adb696f3 | 2567 | } |
47451466 | 2568 | ret = -ENOENT; |
adb696f3 | 2569 | |
47451466 PX |
2570 | out: |
2571 | qemu_mutex_unlock(&mon_fdsets_lock); | |
2572 | return ret; | |
2573 | #endif | |
adb696f3 CB |
2574 | } |
2575 | ||
2576 | int monitor_fdset_dup_fd_add(int64_t fdset_id, int dup_fd) | |
2577 | { | |
2578 | MonFdset *mon_fdset; | |
2579 | MonFdsetFd *mon_fdset_fd_dup; | |
2580 | ||
47451466 | 2581 | qemu_mutex_lock(&mon_fdsets_lock); |
adb696f3 CB |
2582 | QLIST_FOREACH(mon_fdset, &mon_fdsets, next) { |
2583 | if (mon_fdset->id != fdset_id) { | |
2584 | continue; | |
2585 | } | |
2586 | QLIST_FOREACH(mon_fdset_fd_dup, &mon_fdset->dup_fds, next) { | |
2587 | if (mon_fdset_fd_dup->fd == dup_fd) { | |
47451466 | 2588 | goto err; |
adb696f3 CB |
2589 | } |
2590 | } | |
2591 | mon_fdset_fd_dup = g_malloc0(sizeof(*mon_fdset_fd_dup)); | |
2592 | mon_fdset_fd_dup->fd = dup_fd; | |
2593 | QLIST_INSERT_HEAD(&mon_fdset->dup_fds, mon_fdset_fd_dup, next); | |
47451466 | 2594 | qemu_mutex_unlock(&mon_fdsets_lock); |
adb696f3 CB |
2595 | return 0; |
2596 | } | |
47451466 PX |
2597 | |
2598 | err: | |
2599 | qemu_mutex_unlock(&mon_fdsets_lock); | |
adb696f3 CB |
2600 | return -1; |
2601 | } | |
2602 | ||
2603 | static int monitor_fdset_dup_fd_find_remove(int dup_fd, bool remove) | |
2604 | { | |
2605 | MonFdset *mon_fdset; | |
2606 | MonFdsetFd *mon_fdset_fd_dup; | |
2607 | ||
47451466 | 2608 | qemu_mutex_lock(&mon_fdsets_lock); |
adb696f3 CB |
2609 | QLIST_FOREACH(mon_fdset, &mon_fdsets, next) { |
2610 | QLIST_FOREACH(mon_fdset_fd_dup, &mon_fdset->dup_fds, next) { | |
2611 | if (mon_fdset_fd_dup->fd == dup_fd) { | |
2612 | if (remove) { | |
2613 | QLIST_REMOVE(mon_fdset_fd_dup, next); | |
2614 | if (QLIST_EMPTY(&mon_fdset->dup_fds)) { | |
2615 | monitor_fdset_cleanup(mon_fdset); | |
2616 | } | |
47451466 | 2617 | goto err; |
b3dd1b8c | 2618 | } else { |
47451466 | 2619 | qemu_mutex_unlock(&mon_fdsets_lock); |
b3dd1b8c | 2620 | return mon_fdset->id; |
adb696f3 | 2621 | } |
adb696f3 CB |
2622 | } |
2623 | } | |
2624 | } | |
47451466 PX |
2625 | |
2626 | err: | |
2627 | qemu_mutex_unlock(&mon_fdsets_lock); | |
adb696f3 CB |
2628 | return -1; |
2629 | } | |
2630 | ||
2631 | int monitor_fdset_dup_fd_find(int dup_fd) | |
2632 | { | |
2633 | return monitor_fdset_dup_fd_find_remove(dup_fd, false); | |
2634 | } | |
2635 | ||
b3dd1b8c | 2636 | void monitor_fdset_dup_fd_remove(int dup_fd) |
adb696f3 | 2637 | { |
b3dd1b8c | 2638 | monitor_fdset_dup_fd_find_remove(dup_fd, true); |
adb696f3 CB |
2639 | } |
2640 | ||
1677f4c6 | 2641 | int monitor_fd_param(Monitor *mon, const char *fdname, Error **errp) |
5906366e LE |
2642 | { |
2643 | int fd; | |
2644 | Error *local_err = NULL; | |
a96ed02f | 2645 | |
5906366e | 2646 | if (!qemu_isdigit(fdname[0]) && mon) { |
a9940fc4 | 2647 | fd = monitor_get_fd(mon, fdname, &local_err); |
5906366e LE |
2648 | } else { |
2649 | fd = qemu_parse_fd(fdname); | |
a96ed02f | 2650 | if (fd == -1) { |
5906366e LE |
2651 | error_setg(&local_err, "Invalid file descriptor number '%s'", |
2652 | fdname); | |
a96ed02f | 2653 | } |
5906366e LE |
2654 | } |
2655 | if (local_err) { | |
2656 | error_propagate(errp, local_err); | |
2657 | assert(fd == -1); | |
a96ed02f | 2658 | } else { |
5906366e | 2659 | assert(fd != -1); |
a96ed02f NB |
2660 | } |
2661 | ||
2662 | return fd; | |
2663 | } | |
2664 | ||
acd0a093 | 2665 | /* Please update hmp-commands.hx when adding or changing commands */ |
816f8925 | 2666 | static mon_cmd_t info_cmds[] = { |
da76ee76 PB |
2667 | #include "hmp-commands-info.h" |
2668 | { NULL, NULL, }, | |
9dc39cba FB |
2669 | }; |
2670 | ||
a13ced59 WX |
2671 | /* mon_cmds and info_cmds would be sorted at runtime */ |
2672 | static mon_cmd_t mon_cmds[] = { | |
2673 | #include "hmp-commands.h" | |
2674 | { NULL, NULL, }, | |
2675 | }; | |
2676 | ||
9307c4c1 FB |
2677 | /*******************************************************************/ |
2678 | ||
2679 | static const char *pch; | |
6ab7e546 | 2680 | static sigjmp_buf expr_env; |
9307c4c1 | 2681 | |
9307c4c1 | 2682 | |
9c3175cc SW |
2683 | static void GCC_FMT_ATTR(2, 3) QEMU_NORETURN |
2684 | expr_error(Monitor *mon, const char *fmt, ...) | |
9dc39cba | 2685 | { |
277acfe8 FZ |
2686 | va_list ap; |
2687 | va_start(ap, fmt); | |
2688 | monitor_vprintf(mon, fmt, ap); | |
2689 | monitor_printf(mon, "\n"); | |
2690 | va_end(ap); | |
6ab7e546 | 2691 | siglongjmp(expr_env, 1); |
9307c4c1 FB |
2692 | } |
2693 | ||
09b9418c | 2694 | /* return 0 if OK, -1 if not found */ |
92a31b1f | 2695 | static int get_monitor_def(target_long *pval, const char *name) |
9307c4c1 | 2696 | { |
bf957284 | 2697 | const MonitorDef *md = target_monitor_defs(); |
854e67fe | 2698 | CPUState *cs = mon_get_cpu(); |
92a31b1f | 2699 | void *ptr; |
0a9516c2 AK |
2700 | uint64_t tmp = 0; |
2701 | int ret; | |
92a31b1f | 2702 | |
854e67fe | 2703 | if (cs == NULL || md == NULL) { |
bf957284 PB |
2704 | return -1; |
2705 | } | |
2706 | ||
2707 | for(; md->name != NULL; md++) { | |
9307c4c1 FB |
2708 | if (compare_cmd(name, md->name)) { |
2709 | if (md->get_value) { | |
e95c8d51 | 2710 | *pval = md->get_value(md, md->offset); |
9307c4c1 | 2711 | } else { |
5bcda5f7 | 2712 | CPUArchState *env = mon_get_cpu_env(); |
6a00d601 | 2713 | ptr = (uint8_t *)env + md->offset; |
92a31b1f FB |
2714 | switch(md->type) { |
2715 | case MD_I32: | |
2716 | *pval = *(int32_t *)ptr; | |
2717 | break; | |
2718 | case MD_TLONG: | |
2719 | *pval = *(target_long *)ptr; | |
2720 | break; | |
2721 | default: | |
2722 | *pval = 0; | |
2723 | break; | |
2724 | } | |
9307c4c1 FB |
2725 | } |
2726 | return 0; | |
2727 | } | |
2728 | } | |
0a9516c2 | 2729 | |
854e67fe | 2730 | ret = target_get_monitor_def(cs, name, &tmp); |
0a9516c2 AK |
2731 | if (!ret) { |
2732 | *pval = (target_long) tmp; | |
2733 | } | |
2734 | ||
2735 | return ret; | |
9307c4c1 FB |
2736 | } |
2737 | ||
2738 | static void next(void) | |
2739 | { | |
660f11be | 2740 | if (*pch != '\0') { |
9307c4c1 | 2741 | pch++; |
cd390083 | 2742 | while (qemu_isspace(*pch)) |
9307c4c1 FB |
2743 | pch++; |
2744 | } | |
2745 | } | |
2746 | ||
376253ec | 2747 | static int64_t expr_sum(Monitor *mon); |
9307c4c1 | 2748 | |
376253ec | 2749 | static int64_t expr_unary(Monitor *mon) |
9307c4c1 | 2750 | { |
c2efc95d | 2751 | int64_t n; |
9307c4c1 | 2752 | char *p; |
6a00d601 | 2753 | int ret; |
9307c4c1 FB |
2754 | |
2755 | switch(*pch) { | |
2756 | case '+': | |
2757 | next(); | |
376253ec | 2758 | n = expr_unary(mon); |
9307c4c1 FB |
2759 | break; |
2760 | case '-': | |
2761 | next(); | |
376253ec | 2762 | n = -expr_unary(mon); |
9307c4c1 FB |
2763 | break; |
2764 | case '~': | |
2765 | next(); | |
376253ec | 2766 | n = ~expr_unary(mon); |
9307c4c1 FB |
2767 | break; |
2768 | case '(': | |
2769 | next(); | |
376253ec | 2770 | n = expr_sum(mon); |
9307c4c1 | 2771 | if (*pch != ')') { |
376253ec | 2772 | expr_error(mon, "')' expected"); |
9307c4c1 FB |
2773 | } |
2774 | next(); | |
2775 | break; | |
81d0912d FB |
2776 | case '\'': |
2777 | pch++; | |
2778 | if (*pch == '\0') | |
376253ec | 2779 | expr_error(mon, "character constant expected"); |
81d0912d FB |
2780 | n = *pch; |
2781 | pch++; | |
2782 | if (*pch != '\'') | |
376253ec | 2783 | expr_error(mon, "missing terminating \' character"); |
81d0912d FB |
2784 | next(); |
2785 | break; | |
9307c4c1 FB |
2786 | case '$': |
2787 | { | |
2788 | char buf[128], *q; | |
69b34976 | 2789 | target_long reg=0; |
3b46e624 | 2790 | |
9307c4c1 FB |
2791 | pch++; |
2792 | q = buf; | |
2793 | while ((*pch >= 'a' && *pch <= 'z') || | |
2794 | (*pch >= 'A' && *pch <= 'Z') || | |
2795 | (*pch >= '0' && *pch <= '9') || | |
57206fd4 | 2796 | *pch == '_' || *pch == '.') { |
9307c4c1 FB |
2797 | if ((q - buf) < sizeof(buf) - 1) |
2798 | *q++ = *pch; | |
2799 | pch++; | |
2800 | } | |
cd390083 | 2801 | while (qemu_isspace(*pch)) |
9307c4c1 FB |
2802 | pch++; |
2803 | *q = 0; | |
7743e588 | 2804 | ret = get_monitor_def(®, buf); |
09b9418c | 2805 | if (ret < 0) |
376253ec | 2806 | expr_error(mon, "unknown register"); |
7743e588 | 2807 | n = reg; |
9307c4c1 FB |
2808 | } |
2809 | break; | |
2810 | case '\0': | |
376253ec | 2811 | expr_error(mon, "unexpected end of expression"); |
9307c4c1 FB |
2812 | n = 0; |
2813 | break; | |
2814 | default: | |
6b0e33be | 2815 | errno = 0; |
4f4fbf77 | 2816 | n = strtoull(pch, &p, 0); |
6b0e33be LC |
2817 | if (errno == ERANGE) { |
2818 | expr_error(mon, "number too large"); | |
2819 | } | |
9307c4c1 | 2820 | if (pch == p) { |
277acfe8 | 2821 | expr_error(mon, "invalid char '%c' in expression", *p); |
9307c4c1 FB |
2822 | } |
2823 | pch = p; | |
cd390083 | 2824 | while (qemu_isspace(*pch)) |
9307c4c1 FB |
2825 | pch++; |
2826 | break; | |
2827 | } | |
2828 | return n; | |
2829 | } | |
2830 | ||
2831 | ||
376253ec | 2832 | static int64_t expr_prod(Monitor *mon) |
9307c4c1 | 2833 | { |
c2efc95d | 2834 | int64_t val, val2; |
92a31b1f | 2835 | int op; |
3b46e624 | 2836 | |
376253ec | 2837 | val = expr_unary(mon); |
9307c4c1 FB |
2838 | for(;;) { |
2839 | op = *pch; | |
2840 | if (op != '*' && op != '/' && op != '%') | |
2841 | break; | |
2842 | next(); | |
376253ec | 2843 | val2 = expr_unary(mon); |
9307c4c1 FB |
2844 | switch(op) { |
2845 | default: | |
2846 | case '*': | |
2847 | val *= val2; | |
2848 | break; | |
2849 | case '/': | |
2850 | case '%': | |
5fafdf24 | 2851 | if (val2 == 0) |
376253ec | 2852 | expr_error(mon, "division by zero"); |
9307c4c1 FB |
2853 | if (op == '/') |
2854 | val /= val2; | |
2855 | else | |
2856 | val %= val2; | |
2857 | break; | |
2858 | } | |
2859 | } | |
2860 | return val; | |
2861 | } | |
2862 | ||
376253ec | 2863 | static int64_t expr_logic(Monitor *mon) |
9307c4c1 | 2864 | { |
c2efc95d | 2865 | int64_t val, val2; |
92a31b1f | 2866 | int op; |
9307c4c1 | 2867 | |
376253ec | 2868 | val = expr_prod(mon); |
9307c4c1 FB |
2869 | for(;;) { |
2870 | op = *pch; | |
2871 | if (op != '&' && op != '|' && op != '^') | |
2872 | break; | |
2873 | next(); | |
376253ec | 2874 | val2 = expr_prod(mon); |
9307c4c1 FB |
2875 | switch(op) { |
2876 | default: | |
2877 | case '&': | |
2878 | val &= val2; | |
2879 | break; | |
2880 | case '|': | |
2881 | val |= val2; | |
2882 | break; | |
2883 | case '^': | |
2884 | val ^= val2; | |
2885 | break; | |
2886 | } | |
2887 | } | |
2888 | return val; | |
2889 | } | |
2890 | ||
376253ec | 2891 | static int64_t expr_sum(Monitor *mon) |
9307c4c1 | 2892 | { |
c2efc95d | 2893 | int64_t val, val2; |
92a31b1f | 2894 | int op; |
9307c4c1 | 2895 | |
376253ec | 2896 | val = expr_logic(mon); |
9307c4c1 FB |
2897 | for(;;) { |
2898 | op = *pch; | |
2899 | if (op != '+' && op != '-') | |
2900 | break; | |
2901 | next(); | |
376253ec | 2902 | val2 = expr_logic(mon); |
9307c4c1 FB |
2903 | if (op == '+') |
2904 | val += val2; | |
2905 | else | |
2906 | val -= val2; | |
2907 | } | |
2908 | return val; | |
2909 | } | |
2910 | ||
376253ec | 2911 | static int get_expr(Monitor *mon, int64_t *pval, const char **pp) |
9307c4c1 FB |
2912 | { |
2913 | pch = *pp; | |
6ab7e546 | 2914 | if (sigsetjmp(expr_env, 0)) { |
9307c4c1 FB |
2915 | *pp = pch; |
2916 | return -1; | |
2917 | } | |
cd390083 | 2918 | while (qemu_isspace(*pch)) |
9307c4c1 | 2919 | pch++; |
376253ec | 2920 | *pval = expr_sum(mon); |
9307c4c1 FB |
2921 | *pp = pch; |
2922 | return 0; | |
2923 | } | |
2924 | ||
3350a4dd MA |
2925 | static int get_double(Monitor *mon, double *pval, const char **pp) |
2926 | { | |
2927 | const char *p = *pp; | |
2928 | char *tailp; | |
2929 | double d; | |
2930 | ||
2931 | d = strtod(p, &tailp); | |
2932 | if (tailp == p) { | |
2933 | monitor_printf(mon, "Number expected\n"); | |
2934 | return -1; | |
2935 | } | |
2936 | if (d != d || d - d != 0) { | |
2937 | /* NaN or infinity */ | |
2938 | monitor_printf(mon, "Bad number\n"); | |
2939 | return -1; | |
2940 | } | |
2941 | *pval = d; | |
2942 | *pp = tailp; | |
2943 | return 0; | |
2944 | } | |
2945 | ||
4590fd80 LC |
2946 | /* |
2947 | * Store the command-name in cmdname, and return a pointer to | |
2948 | * the remaining of the command string. | |
2949 | */ | |
2950 | static const char *get_command_name(const char *cmdline, | |
2951 | char *cmdname, size_t nlen) | |
2952 | { | |
2953 | size_t len; | |
2954 | const char *p, *pstart; | |
2955 | ||
2956 | p = cmdline; | |
2957 | while (qemu_isspace(*p)) | |
2958 | p++; | |
2959 | if (*p == '\0') | |
2960 | return NULL; | |
2961 | pstart = p; | |
2962 | while (*p != '\0' && *p != '/' && !qemu_isspace(*p)) | |
2963 | p++; | |
2964 | len = p - pstart; | |
2965 | if (len > nlen - 1) | |
2966 | len = nlen - 1; | |
2967 | memcpy(cmdname, pstart, len); | |
2968 | cmdname[len] = '\0'; | |
2969 | return p; | |
2970 | } | |
2971 | ||
4d76d2ba LC |
2972 | /** |
2973 | * Read key of 'type' into 'key' and return the current | |
2974 | * 'type' pointer. | |
2975 | */ | |
2976 | static char *key_get_info(const char *type, char **key) | |
2977 | { | |
2978 | size_t len; | |
2979 | char *p, *str; | |
2980 | ||
2981 | if (*type == ',') | |
2982 | type++; | |
2983 | ||
2984 | p = strchr(type, ':'); | |
2985 | if (!p) { | |
2986 | *key = NULL; | |
2987 | return NULL; | |
2988 | } | |
2989 | len = p - type; | |
2990 | ||
7267c094 | 2991 | str = g_malloc(len + 1); |
4d76d2ba LC |
2992 | memcpy(str, type, len); |
2993 | str[len] = '\0'; | |
2994 | ||
2995 | *key = str; | |
2996 | return ++p; | |
2997 | } | |
2998 | ||
9307c4c1 FB |
2999 | static int default_fmt_format = 'x'; |
3000 | static int default_fmt_size = 4; | |
3001 | ||
fbc3d96c LS |
3002 | static int is_valid_option(const char *c, const char *typestr) |
3003 | { | |
3004 | char option[3]; | |
3005 | ||
3006 | option[0] = '-'; | |
3007 | option[1] = *c; | |
3008 | option[2] = '\0'; | |
3009 | ||
3010 | typestr = strstr(typestr, option); | |
3011 | return (typestr != NULL); | |
3012 | } | |
3013 | ||
945c5ac8 LC |
3014 | static const mon_cmd_t *search_dispatch_table(const mon_cmd_t *disp_table, |
3015 | const char *cmdname) | |
7fd669a1 LC |
3016 | { |
3017 | const mon_cmd_t *cmd; | |
3018 | ||
945c5ac8 | 3019 | for (cmd = disp_table; cmd->name != NULL; cmd++) { |
7fd669a1 LC |
3020 | if (compare_cmd(cmdname, cmd->name)) { |
3021 | return cmd; | |
3022 | } | |
3023 | } | |
3024 | ||
3025 | return NULL; | |
3026 | } | |
3027 | ||
5f3d335f | 3028 | /* |
ae50212f BD |
3029 | * Parse command name from @cmdp according to command table @table. |
3030 | * If blank, return NULL. | |
3031 | * Else, if no valid command can be found, report to @mon, and return | |
3032 | * NULL. | |
3033 | * Else, change @cmdp to point right behind the name, and return its | |
3034 | * command table entry. | |
3035 | * Do not assume the return value points into @table! It doesn't when | |
3036 | * the command is found in a sub-command table. | |
5f3d335f | 3037 | */ |
c227f099 | 3038 | static const mon_cmd_t *monitor_parse_command(Monitor *mon, |
250b8197 | 3039 | const char *cmdp_start, |
ae50212f BD |
3040 | const char **cmdp, |
3041 | mon_cmd_t *table) | |
9307c4c1 | 3042 | { |
ae50212f | 3043 | const char *p; |
c227f099 | 3044 | const mon_cmd_t *cmd; |
9307c4c1 | 3045 | char cmdname[256]; |
9dc39cba | 3046 | |
9307c4c1 | 3047 | /* extract the command name */ |
ae50212f | 3048 | p = get_command_name(*cmdp, cmdname, sizeof(cmdname)); |
4590fd80 | 3049 | if (!p) |
55f81d96 | 3050 | return NULL; |
3b46e624 | 3051 | |
5f3d335f | 3052 | cmd = search_dispatch_table(table, cmdname); |
7fd669a1 | 3053 | if (!cmd) { |
5f3d335f | 3054 | monitor_printf(mon, "unknown command: '%.*s'\n", |
250b8197 | 3055 | (int)(p - cmdp_start), cmdp_start); |
55f81d96 | 3056 | return NULL; |
9307c4c1 | 3057 | } |
c3120f71 DDAG |
3058 | if (runstate_check(RUN_STATE_PRECONFIG) && !cmd_can_preconfig(cmd)) { |
3059 | monitor_printf(mon, "Command '%.*s' not available with -preconfig " | |
3060 | "until after exit_preconfig.\n", | |
3061 | (int)(p - cmdp_start), cmdp_start); | |
3062 | return NULL; | |
3063 | } | |
9307c4c1 | 3064 | |
5f3d335f WX |
3065 | /* filter out following useless space */ |
3066 | while (qemu_isspace(*p)) { | |
3067 | p++; | |
3068 | } | |
ae50212f BD |
3069 | |
3070 | *cmdp = p; | |
5f3d335f | 3071 | /* search sub command */ |
ae50212f | 3072 | if (cmd->sub_table != NULL && *p != '\0') { |
250b8197 | 3073 | return monitor_parse_command(mon, cmdp_start, cmdp, cmd->sub_table); |
5f3d335f WX |
3074 | } |
3075 | ||
ae50212f BD |
3076 | return cmd; |
3077 | } | |
3078 | ||
3079 | /* | |
3080 | * Parse arguments for @cmd. | |
3081 | * If it can't be parsed, report to @mon, and return NULL. | |
3082 | * Else, insert command arguments into a QDict, and return it. | |
3083 | * Note: On success, caller has to free the QDict structure. | |
3084 | */ | |
3085 | ||
3086 | static QDict *monitor_parse_arguments(Monitor *mon, | |
3087 | const char **endp, | |
3088 | const mon_cmd_t *cmd) | |
3089 | { | |
3090 | const char *typestr; | |
3091 | char *key; | |
3092 | int c; | |
3093 | const char *p = *endp; | |
3094 | char buf[1024]; | |
3095 | QDict *qdict = qdict_new(); | |
3096 | ||
9307c4c1 FB |
3097 | /* parse the parameters */ |
3098 | typestr = cmd->args_type; | |
9dc39cba | 3099 | for(;;) { |
4d76d2ba LC |
3100 | typestr = key_get_info(typestr, &key); |
3101 | if (!typestr) | |
9dc39cba | 3102 | break; |
4d76d2ba | 3103 | c = *typestr; |
9307c4c1 FB |
3104 | typestr++; |
3105 | switch(c) { | |
3106 | case 'F': | |
81d0912d | 3107 | case 'B': |
9307c4c1 FB |
3108 | case 's': |
3109 | { | |
3110 | int ret; | |
3b46e624 | 3111 | |
cd390083 | 3112 | while (qemu_isspace(*p)) |
9307c4c1 FB |
3113 | p++; |
3114 | if (*typestr == '?') { | |
3115 | typestr++; | |
3116 | if (*p == '\0') { | |
3117 | /* no optional string: NULL argument */ | |
53773581 | 3118 | break; |
9307c4c1 FB |
3119 | } |
3120 | } | |
3121 | ret = get_str(buf, sizeof(buf), &p); | |
3122 | if (ret < 0) { | |
81d0912d FB |
3123 | switch(c) { |
3124 | case 'F': | |
376253ec | 3125 | monitor_printf(mon, "%s: filename expected\n", |
ae50212f | 3126 | cmd->name); |
81d0912d FB |
3127 | break; |
3128 | case 'B': | |
376253ec | 3129 | monitor_printf(mon, "%s: block device name expected\n", |
ae50212f | 3130 | cmd->name); |
81d0912d FB |
3131 | break; |
3132 | default: | |
ae50212f | 3133 | monitor_printf(mon, "%s: string expected\n", cmd->name); |
81d0912d FB |
3134 | break; |
3135 | } | |
9307c4c1 FB |
3136 | goto fail; |
3137 | } | |
46f5ac20 | 3138 | qdict_put_str(qdict, key, buf); |
9307c4c1 | 3139 | } |
9dc39cba | 3140 | break; |
361127df MA |
3141 | case 'O': |
3142 | { | |
3143 | QemuOptsList *opts_list; | |
3144 | QemuOpts *opts; | |
3145 | ||
3146 | opts_list = qemu_find_opts(key); | |
3147 | if (!opts_list || opts_list->desc->name) { | |
3148 | goto bad_type; | |
3149 | } | |
3150 | while (qemu_isspace(*p)) { | |
3151 | p++; | |
3152 | } | |
3153 | if (!*p) | |
3154 | break; | |
3155 | if (get_str(buf, sizeof(buf), &p) < 0) { | |
3156 | goto fail; | |
3157 | } | |
70b94331 | 3158 | opts = qemu_opts_parse_noisily(opts_list, buf, true); |
361127df MA |
3159 | if (!opts) { |
3160 | goto fail; | |
3161 | } | |
3162 | qemu_opts_to_qdict(opts, qdict); | |
3163 | qemu_opts_del(opts); | |
3164 | } | |
3165 | break; | |
9307c4c1 FB |
3166 | case '/': |
3167 | { | |
3168 | int count, format, size; | |
3b46e624 | 3169 | |
cd390083 | 3170 | while (qemu_isspace(*p)) |
9307c4c1 FB |
3171 | p++; |
3172 | if (*p == '/') { | |
3173 | /* format found */ | |
3174 | p++; | |
3175 | count = 1; | |
cd390083 | 3176 | if (qemu_isdigit(*p)) { |
9307c4c1 | 3177 | count = 0; |
cd390083 | 3178 | while (qemu_isdigit(*p)) { |
9307c4c1 FB |
3179 | count = count * 10 + (*p - '0'); |
3180 | p++; | |
3181 | } | |
3182 | } | |
3183 | size = -1; | |
3184 | format = -1; | |
3185 | for(;;) { | |
3186 | switch(*p) { | |
3187 | case 'o': | |
3188 | case 'd': | |
3189 | case 'u': | |
3190 | case 'x': | |
3191 | case 'i': | |
3192 | case 'c': | |
3193 | format = *p++; | |
3194 | break; | |
3195 | case 'b': | |
3196 | size = 1; | |
3197 | p++; | |
3198 | break; | |
3199 | case 'h': | |
3200 | size = 2; | |
3201 | p++; | |
3202 | break; | |
3203 | case 'w': | |
3204 | size = 4; | |
3205 | p++; | |
3206 | break; | |
3207 | case 'g': | |
3208 | case 'L': | |
3209 | size = 8; | |
3210 | p++; | |
3211 | break; | |
3212 | default: | |
3213 | goto next; | |
3214 | } | |
3215 | } | |
3216 | next: | |
cd390083 | 3217 | if (*p != '\0' && !qemu_isspace(*p)) { |
376253ec AL |
3218 | monitor_printf(mon, "invalid char in format: '%c'\n", |
3219 | *p); | |
9307c4c1 FB |
3220 | goto fail; |
3221 | } | |
9307c4c1 FB |
3222 | if (format < 0) |
3223 | format = default_fmt_format; | |
4c27ba27 FB |
3224 | if (format != 'i') { |
3225 | /* for 'i', not specifying a size gives -1 as size */ | |
3226 | if (size < 0) | |
3227 | size = default_fmt_size; | |
e90f009b | 3228 | default_fmt_size = size; |
4c27ba27 | 3229 | } |
9307c4c1 FB |
3230 | default_fmt_format = format; |
3231 | } else { | |
3232 | count = 1; | |
3233 | format = default_fmt_format; | |
4c27ba27 FB |
3234 | if (format != 'i') { |
3235 | size = default_fmt_size; | |
3236 | } else { | |
3237 | size = -1; | |
3238 | } | |
9307c4c1 | 3239 | } |
46f5ac20 EB |
3240 | qdict_put_int(qdict, "count", count); |
3241 | qdict_put_int(qdict, "format", format); | |
3242 | qdict_put_int(qdict, "size", size); | |
9307c4c1 | 3243 | } |
9dc39cba | 3244 | break; |
9307c4c1 | 3245 | case 'i': |
92a31b1f | 3246 | case 'l': |
b6e098d7 | 3247 | case 'M': |
9307c4c1 | 3248 | { |
c2efc95d | 3249 | int64_t val; |
7743e588 | 3250 | |
cd390083 | 3251 | while (qemu_isspace(*p)) |
9307c4c1 | 3252 | p++; |
3440557b | 3253 | if (*typestr == '?' || *typestr == '.') { |
3440557b | 3254 | if (*typestr == '?') { |
53773581 LC |
3255 | if (*p == '\0') { |
3256 | typestr++; | |
3257 | break; | |
3258 | } | |
3440557b FB |
3259 | } else { |
3260 | if (*p == '.') { | |
3261 | p++; | |
cd390083 | 3262 | while (qemu_isspace(*p)) |
3440557b | 3263 | p++; |
3440557b | 3264 | } else { |
53773581 LC |
3265 | typestr++; |
3266 | break; | |
3440557b FB |
3267 | } |
3268 | } | |
13224a87 | 3269 | typestr++; |
9307c4c1 | 3270 | } |
376253ec | 3271 | if (get_expr(mon, &val, &p)) |
9307c4c1 | 3272 | goto fail; |
675ebef9 LC |
3273 | /* Check if 'i' is greater than 32-bit */ |
3274 | if ((c == 'i') && ((val >> 32) & 0xffffffff)) { | |
ae50212f | 3275 | monitor_printf(mon, "\'%s\' has failed: ", cmd->name); |
675ebef9 LC |
3276 | monitor_printf(mon, "integer is for 32-bit values\n"); |
3277 | goto fail; | |
b6e098d7 | 3278 | } else if (c == 'M') { |
91162849 LC |
3279 | if (val < 0) { |
3280 | monitor_printf(mon, "enter a positive value\n"); | |
3281 | goto fail; | |
3282 | } | |
b6e098d7 | 3283 | val <<= 20; |
675ebef9 | 3284 | } |
46f5ac20 | 3285 | qdict_put_int(qdict, key, val); |
9307c4c1 FB |
3286 | } |
3287 | break; | |
dbc0c67f JS |
3288 | case 'o': |
3289 | { | |
f17fd4fd | 3290 | int ret; |
f46bfdbf | 3291 | uint64_t val; |
dbc0c67f JS |
3292 | char *end; |
3293 | ||
3294 | while (qemu_isspace(*p)) { | |
3295 | p++; | |
3296 | } | |
3297 | if (*typestr == '?') { | |
3298 | typestr++; | |
3299 | if (*p == '\0') { | |
3300 | break; | |
3301 | } | |
3302 | } | |
f17fd4fd | 3303 | ret = qemu_strtosz_MiB(p, &end, &val); |
f46bfdbf | 3304 | if (ret < 0 || val > INT64_MAX) { |
dbc0c67f JS |
3305 | monitor_printf(mon, "invalid size\n"); |
3306 | goto fail; | |
3307 | } | |
46f5ac20 | 3308 | qdict_put_int(qdict, key, val); |
dbc0c67f JS |
3309 | p = end; |
3310 | } | |
3311 | break; | |
fccfb11e | 3312 | case 'T': |
3350a4dd MA |
3313 | { |
3314 | double val; | |
3315 | ||
3316 | while (qemu_isspace(*p)) | |
3317 | p++; | |
3318 | if (*typestr == '?') { | |
3319 | typestr++; | |
3320 | if (*p == '\0') { | |
3321 | break; | |
3322 | } | |
3323 | } | |
3324 | if (get_double(mon, &val, &p) < 0) { | |
3325 | goto fail; | |
3326 | } | |
07de3e60 | 3327 | if (p[0] && p[1] == 's') { |
fccfb11e MA |
3328 | switch (*p) { |
3329 | case 'm': | |
3330 | val /= 1e3; p += 2; break; | |
3331 | case 'u': | |
3332 | val /= 1e6; p += 2; break; | |
3333 | case 'n': | |
3334 | val /= 1e9; p += 2; break; | |
3335 | } | |
3336 | } | |
3350a4dd MA |
3337 | if (*p && !qemu_isspace(*p)) { |
3338 | monitor_printf(mon, "Unknown unit suffix\n"); | |
3339 | goto fail; | |
3340 | } | |
01b2ffce | 3341 | qdict_put(qdict, key, qnum_from_double(val)); |
3350a4dd MA |
3342 | } |
3343 | break; | |
942cd1f2 MA |
3344 | case 'b': |
3345 | { | |
3346 | const char *beg; | |
fc48ffc3 | 3347 | bool val; |
942cd1f2 MA |
3348 | |
3349 | while (qemu_isspace(*p)) { | |
3350 | p++; | |
3351 | } | |
3352 | beg = p; | |
3353 | while (qemu_isgraph(*p)) { | |
3354 | p++; | |
3355 | } | |
3356 | if (p - beg == 2 && !memcmp(beg, "on", p - beg)) { | |
fc48ffc3 | 3357 | val = true; |
942cd1f2 | 3358 | } else if (p - beg == 3 && !memcmp(beg, "off", p - beg)) { |
fc48ffc3 | 3359 | val = false; |
942cd1f2 MA |
3360 | } else { |
3361 | monitor_printf(mon, "Expected 'on' or 'off'\n"); | |
3362 | goto fail; | |
3363 | } | |
46f5ac20 | 3364 | qdict_put_bool(qdict, key, val); |
942cd1f2 MA |
3365 | } |
3366 | break; | |
9307c4c1 FB |
3367 | case '-': |
3368 | { | |
fbc3d96c | 3369 | const char *tmp = p; |
eb159d13 | 3370 | int skip_key = 0; |
9307c4c1 | 3371 | /* option */ |
3b46e624 | 3372 | |
9307c4c1 FB |
3373 | c = *typestr++; |
3374 | if (c == '\0') | |
3375 | goto bad_type; | |
cd390083 | 3376 | while (qemu_isspace(*p)) |
9307c4c1 | 3377 | p++; |
9307c4c1 FB |
3378 | if (*p == '-') { |
3379 | p++; | |
fbc3d96c LS |
3380 | if(c != *p) { |
3381 | if(!is_valid_option(p, typestr)) { | |
3382 | ||
3383 | monitor_printf(mon, "%s: unsupported option -%c\n", | |
ae50212f | 3384 | cmd->name, *p); |
fbc3d96c LS |
3385 | goto fail; |
3386 | } else { | |
3387 | skip_key = 1; | |
3388 | } | |
3389 | } | |
3390 | if(skip_key) { | |
3391 | p = tmp; | |
3392 | } else { | |
eb159d13 | 3393 | /* has option */ |
fbc3d96c | 3394 | p++; |
46f5ac20 | 3395 | qdict_put_bool(qdict, key, true); |
9307c4c1 | 3396 | } |
9307c4c1 | 3397 | } |
9307c4c1 FB |
3398 | } |
3399 | break; | |
129be006 WX |
3400 | case 'S': |
3401 | { | |
3402 | /* package all remaining string */ | |
3403 | int len; | |
3404 | ||
3405 | while (qemu_isspace(*p)) { | |
3406 | p++; | |
3407 | } | |
3408 | if (*typestr == '?') { | |
3409 | typestr++; | |
3410 | if (*p == '\0') { | |
3411 | /* no remaining string: NULL argument */ | |
3412 | break; | |
3413 | } | |
3414 | } | |
3415 | len = strlen(p); | |
3416 | if (len <= 0) { | |
3417 | monitor_printf(mon, "%s: string expected\n", | |
ae50212f | 3418 | cmd->name); |
e549d2aa | 3419 | goto fail; |
129be006 | 3420 | } |
46f5ac20 | 3421 | qdict_put_str(qdict, key, p); |
129be006 WX |
3422 | p += len; |
3423 | } | |
3424 | break; | |
9307c4c1 FB |
3425 | default: |
3426 | bad_type: | |
ae50212f | 3427 | monitor_printf(mon, "%s: unknown type '%c'\n", cmd->name, c); |
9307c4c1 FB |
3428 | goto fail; |
3429 | } | |
7267c094 | 3430 | g_free(key); |
4d76d2ba | 3431 | key = NULL; |
9dc39cba | 3432 | } |
9307c4c1 | 3433 | /* check that all arguments were parsed */ |
cd390083 | 3434 | while (qemu_isspace(*p)) |
9307c4c1 FB |
3435 | p++; |
3436 | if (*p != '\0') { | |
376253ec | 3437 | monitor_printf(mon, "%s: extraneous characters at the end of line\n", |
ae50212f | 3438 | cmd->name); |
9307c4c1 | 3439 | goto fail; |
9dc39cba | 3440 | } |
9307c4c1 | 3441 | |
ae50212f | 3442 | return qdict; |
ac7531ec | 3443 | |
55f81d96 | 3444 | fail: |
cb3e7f08 | 3445 | qobject_unref(qdict); |
7267c094 | 3446 | g_free(key); |
55f81d96 LC |
3447 | return NULL; |
3448 | } | |
3449 | ||
7ef6cf63 | 3450 | static void handle_hmp_command(Monitor *mon, const char *cmdline) |
55f81d96 | 3451 | { |
55f81d96 | 3452 | QDict *qdict; |
c227f099 | 3453 | const mon_cmd_t *cmd; |
317c52cc | 3454 | const char *cmd_start = cmdline; |
55f81d96 | 3455 | |
79cad8b4 SH |
3456 | trace_handle_hmp_command(mon, cmdline); |
3457 | ||
71dc578e IM |
3458 | if (runstate_check(RUN_STATE_PRECONFIG)) { |
3459 | monitor_printf(mon, "HMP not available in preconfig state, " | |
3460 | "use QMP instead\n"); | |
3461 | return; | |
3462 | } | |
3463 | ||
250b8197 | 3464 | cmd = monitor_parse_command(mon, cmdline, &cmdline, mon->cmd_table); |
ae50212f BD |
3465 | if (!cmd) { |
3466 | return; | |
3467 | } | |
55f81d96 | 3468 | |
ae50212f BD |
3469 | qdict = monitor_parse_arguments(mon, &cmdline, cmd); |
3470 | if (!qdict) { | |
317c52cc CW |
3471 | while (cmdline > cmd_start && qemu_isspace(cmdline[-1])) { |
3472 | cmdline--; | |
3473 | } | |
3474 | monitor_printf(mon, "Try \"help %.*s\" for more information\n", | |
3475 | (int)(cmdline - cmd_start), cmd_start); | |
ae50212f | 3476 | return; |
55f81d96 LC |
3477 | } |
3478 | ||
2b9e3576 | 3479 | cmd->cmd(mon, qdict); |
cb3e7f08 | 3480 | qobject_unref(qdict); |
9dc39cba FB |
3481 | } |
3482 | ||
cd5c6bba | 3483 | static void cmd_completion(Monitor *mon, const char *name, const char *list) |
81d0912d FB |
3484 | { |
3485 | const char *p, *pstart; | |
3486 | char cmd[128]; | |
3487 | int len; | |
3488 | ||
3489 | p = list; | |
3490 | for(;;) { | |
3491 | pstart = p; | |
3492 | p = strchr(p, '|'); | |
3493 | if (!p) | |
3494 | p = pstart + strlen(pstart); | |
3495 | len = p - pstart; | |
3496 | if (len > sizeof(cmd) - 2) | |
3497 | len = sizeof(cmd) - 2; | |
3498 | memcpy(cmd, pstart, len); | |
3499 | cmd[len] = '\0'; | |
3500 | if (name[0] == '\0' || !strncmp(name, cmd, strlen(name))) { | |
cd5c6bba | 3501 | readline_add_completion(mon->rs, cmd); |
81d0912d FB |
3502 | } |
3503 | if (*p == '\0') | |
3504 | break; | |
3505 | p++; | |
3506 | } | |
3507 | } | |
3508 | ||
cb8f68b1 | 3509 | static void file_completion(Monitor *mon, const char *input) |
81d0912d FB |
3510 | { |
3511 | DIR *ffs; | |
3512 | struct dirent *d; | |
3513 | char path[1024]; | |
3514 | char file[1024], file_prefix[1024]; | |
3515 | int input_path_len; | |
3516 | const char *p; | |
3517 | ||
5fafdf24 | 3518 | p = strrchr(input, '/'); |
81d0912d FB |
3519 | if (!p) { |
3520 | input_path_len = 0; | |
3521 | pstrcpy(file_prefix, sizeof(file_prefix), input); | |
363a37d5 | 3522 | pstrcpy(path, sizeof(path), "."); |
81d0912d FB |
3523 | } else { |
3524 | input_path_len = p - input + 1; | |
3525 | memcpy(path, input, input_path_len); | |
3526 | if (input_path_len > sizeof(path) - 1) | |
3527 | input_path_len = sizeof(path) - 1; | |
3528 | path[input_path_len] = '\0'; | |
3529 | pstrcpy(file_prefix, sizeof(file_prefix), p + 1); | |
3530 | } | |
19f2db5c | 3531 | |
81d0912d FB |
3532 | ffs = opendir(path); |
3533 | if (!ffs) | |
3534 | return; | |
3535 | for(;;) { | |
3536 | struct stat sb; | |
3537 | d = readdir(ffs); | |
3538 | if (!d) | |
3539 | break; | |
46c7fc18 KK |
3540 | |
3541 | if (strcmp(d->d_name, ".") == 0 || strcmp(d->d_name, "..") == 0) { | |
3542 | continue; | |
3543 | } | |
3544 | ||
81d0912d FB |
3545 | if (strstart(d->d_name, file_prefix, NULL)) { |
3546 | memcpy(file, input, input_path_len); | |
363a37d5 BS |
3547 | if (input_path_len < sizeof(file)) |
3548 | pstrcpy(file + input_path_len, sizeof(file) - input_path_len, | |
3549 | d->d_name); | |
81d0912d FB |
3550 | /* stat the file to find out if it's a directory. |
3551 | * In that case add a slash to speed up typing long paths | |
3552 | */ | |
c951d9a6 | 3553 | if (stat(file, &sb) == 0 && S_ISDIR(sb.st_mode)) { |
363a37d5 | 3554 | pstrcat(file, sizeof(file), "/"); |
c951d9a6 | 3555 | } |
cb8f68b1 | 3556 | readline_add_completion(mon->rs, file); |
81d0912d FB |
3557 | } |
3558 | } | |
3559 | closedir(ffs); | |
3560 | } | |
3561 | ||
4d76d2ba LC |
3562 | static const char *next_arg_type(const char *typestr) |
3563 | { | |
3564 | const char *p = strchr(typestr, ':'); | |
3565 | return (p != NULL ? ++p : typestr); | |
3566 | } | |
3567 | ||
40d19394 HB |
3568 | static void add_completion_option(ReadLineState *rs, const char *str, |
3569 | const char *option) | |
3570 | { | |
3571 | if (!str || !option) { | |
3572 | return; | |
3573 | } | |
3574 | if (!strncmp(option, str, strlen(str))) { | |
3575 | readline_add_completion(rs, option); | |
3576 | } | |
3577 | } | |
3578 | ||
13e315da HB |
3579 | void chardev_add_completion(ReadLineState *rs, int nb_args, const char *str) |
3580 | { | |
3581 | size_t len; | |
3582 | ChardevBackendInfoList *list, *start; | |
3583 | ||
3584 | if (nb_args != 2) { | |
3585 | return; | |
3586 | } | |
3587 | len = strlen(str); | |
3588 | readline_set_completion_index(rs, len); | |
3589 | ||
3590 | start = list = qmp_query_chardev_backends(NULL); | |
3591 | while (list) { | |
3592 | const char *chr_name = list->value->name; | |
3593 | ||
3594 | if (!strncmp(chr_name, str, len)) { | |
3595 | readline_add_completion(rs, chr_name); | |
3596 | } | |
3597 | list = list->next; | |
3598 | } | |
3599 | qapi_free_ChardevBackendInfoList(start); | |
3600 | } | |
3601 | ||
b162b49a HB |
3602 | void netdev_add_completion(ReadLineState *rs, int nb_args, const char *str) |
3603 | { | |
3604 | size_t len; | |
3605 | int i; | |
3606 | ||
3607 | if (nb_args != 2) { | |
3608 | return; | |
3609 | } | |
3610 | len = strlen(str); | |
3611 | readline_set_completion_index(rs, len); | |
1c236ba5 | 3612 | for (i = 0; i < NET_CLIENT_DRIVER__MAX; i++) { |
977c736f | 3613 | add_completion_option(rs, str, NetClientDriver_str(i)); |
b162b49a HB |
3614 | } |
3615 | } | |
3616 | ||
2da1b3ab | 3617 | void device_add_completion(ReadLineState *rs, int nb_args, const char *str) |
992d3e64 HB |
3618 | { |
3619 | GSList *list, *elt; | |
3620 | size_t len; | |
3621 | ||
2da1b3ab HB |
3622 | if (nb_args != 2) { |
3623 | return; | |
3624 | } | |
3625 | ||
992d3e64 HB |
3626 | len = strlen(str); |
3627 | readline_set_completion_index(rs, len); | |
3628 | list = elt = object_class_get_list(TYPE_DEVICE, false); | |
3629 | while (elt) { | |
3630 | const char *name; | |
3631 | DeviceClass *dc = OBJECT_CLASS_CHECK(DeviceClass, elt->data, | |
3632 | TYPE_DEVICE); | |
3633 | name = object_class_get_name(OBJECT_CLASS(dc)); | |
2da1b3ab | 3634 | |
e90f2a8c | 3635 | if (dc->user_creatable |
2da1b3ab | 3636 | && !strncmp(name, str, len)) { |
992d3e64 HB |
3637 | readline_add_completion(rs, name); |
3638 | } | |
3639 | elt = elt->next; | |
3640 | } | |
3641 | g_slist_free(list); | |
3642 | } | |
3643 | ||
bfa40f77 | 3644 | void object_add_completion(ReadLineState *rs, int nb_args, const char *str) |
1094fd3a HB |
3645 | { |
3646 | GSList *list, *elt; | |
3647 | size_t len; | |
3648 | ||
bfa40f77 HB |
3649 | if (nb_args != 2) { |
3650 | return; | |
3651 | } | |
3652 | ||
1094fd3a HB |
3653 | len = strlen(str); |
3654 | readline_set_completion_index(rs, len); | |
3655 | list = elt = object_class_get_list(TYPE_USER_CREATABLE, false); | |
3656 | while (elt) { | |
3657 | const char *name; | |
3658 | ||
3659 | name = object_class_get_name(OBJECT_CLASS(elt->data)); | |
3660 | if (!strncmp(name, str, len) && strcmp(name, TYPE_USER_CREATABLE)) { | |
3661 | readline_add_completion(rs, name); | |
3662 | } | |
3663 | elt = elt->next; | |
3664 | } | |
3665 | g_slist_free(list); | |
3666 | } | |
3667 | ||
6a1fa9f5 ZG |
3668 | static void peripheral_device_del_completion(ReadLineState *rs, |
3669 | const char *str, size_t len) | |
3670 | { | |
4cae4d5a MA |
3671 | Object *peripheral = container_get(qdev_get_machine(), "/peripheral"); |
3672 | GSList *list, *item; | |
6a1fa9f5 | 3673 | |
4cae4d5a MA |
3674 | list = qdev_build_hotpluggable_device_list(peripheral); |
3675 | if (!list) { | |
6a1fa9f5 ZG |
3676 | return; |
3677 | } | |
3678 | ||
6a1fa9f5 ZG |
3679 | for (item = list; item; item = g_slist_next(item)) { |
3680 | DeviceState *dev = item->data; | |
3681 | ||
3682 | if (dev->id && !strncmp(str, dev->id, len)) { | |
3683 | readline_add_completion(rs, dev->id); | |
3684 | } | |
3685 | } | |
3686 | ||
3687 | g_slist_free(list); | |
3688 | } | |
3689 | ||
6297d9a2 HB |
3690 | void chardev_remove_completion(ReadLineState *rs, int nb_args, const char *str) |
3691 | { | |
3692 | size_t len; | |
3693 | ChardevInfoList *list, *start; | |
3694 | ||
3695 | if (nb_args != 2) { | |
3696 | return; | |
3697 | } | |
3698 | len = strlen(str); | |
3699 | readline_set_completion_index(rs, len); | |
3700 | ||
3701 | start = list = qmp_query_chardev(NULL); | |
3702 | while (list) { | |
3703 | ChardevInfo *chr = list->value; | |
3704 | ||
3705 | if (!strncmp(chr->label, str, len)) { | |
3706 | readline_add_completion(rs, chr->label); | |
3707 | } | |
3708 | list = list->next; | |
3709 | } | |
3710 | qapi_free_ChardevInfoList(start); | |
3711 | } | |
3712 | ||
8e597779 HB |
3713 | static void ringbuf_completion(ReadLineState *rs, const char *str) |
3714 | { | |
3715 | size_t len; | |
3716 | ChardevInfoList *list, *start; | |
3717 | ||
3718 | len = strlen(str); | |
3719 | readline_set_completion_index(rs, len); | |
3720 | ||
3721 | start = list = qmp_query_chardev(NULL); | |
3722 | while (list) { | |
3723 | ChardevInfo *chr_info = list->value; | |
3724 | ||
3725 | if (!strncmp(chr_info->label, str, len)) { | |
0ec7b3e7 | 3726 | Chardev *chr = qemu_chr_find(chr_info->label); |
777357d7 | 3727 | if (chr && CHARDEV_IS_RINGBUF(chr)) { |
8e597779 HB |
3728 | readline_add_completion(rs, chr_info->label); |
3729 | } | |
3730 | } | |
3731 | list = list->next; | |
3732 | } | |
3733 | qapi_free_ChardevInfoList(start); | |
3734 | } | |
3735 | ||
8e597779 HB |
3736 | void ringbuf_write_completion(ReadLineState *rs, int nb_args, const char *str) |
3737 | { | |
3738 | if (nb_args != 2) { | |
3739 | return; | |
3740 | } | |
3741 | ringbuf_completion(rs, str); | |
3742 | } | |
3743 | ||
2da1b3ab HB |
3744 | void device_del_completion(ReadLineState *rs, int nb_args, const char *str) |
3745 | { | |
3746 | size_t len; | |
3747 | ||
3748 | if (nb_args != 2) { | |
3749 | return; | |
3750 | } | |
3751 | ||
3752 | len = strlen(str); | |
3753 | readline_set_completion_index(rs, len); | |
6a1fa9f5 | 3754 | peripheral_device_del_completion(rs, str, len); |
2da1b3ab HB |
3755 | } |
3756 | ||
bfa40f77 | 3757 | void object_del_completion(ReadLineState *rs, int nb_args, const char *str) |
b48fa074 HB |
3758 | { |
3759 | ObjectPropertyInfoList *list, *start; | |
3760 | size_t len; | |
3761 | ||
bfa40f77 HB |
3762 | if (nb_args != 2) { |
3763 | return; | |
3764 | } | |
b48fa074 HB |
3765 | len = strlen(str); |
3766 | readline_set_completion_index(rs, len); | |
3767 | ||
3768 | start = list = qmp_qom_list("/objects", NULL); | |
3769 | while (list) { | |
3770 | ObjectPropertyInfo *info = list->value; | |
3771 | ||
3772 | if (!strncmp(info->type, "child<", 5) | |
3773 | && !strncmp(info->name, str, len)) { | |
3774 | readline_add_completion(rs, info->name); | |
3775 | } | |
3776 | list = list->next; | |
3777 | } | |
3778 | qapi_free_ObjectPropertyInfoList(start); | |
3779 | } | |
3780 | ||
29136cd8 HB |
3781 | void sendkey_completion(ReadLineState *rs, int nb_args, const char *str) |
3782 | { | |
3783 | int i; | |
3784 | char *sep; | |
3785 | size_t len; | |
3786 | ||
3787 | if (nb_args != 2) { | |
3788 | return; | |
3789 | } | |
3790 | sep = strrchr(str, '-'); | |
3791 | if (sep) { | |
3792 | str = sep + 1; | |
3793 | } | |
3794 | len = strlen(str); | |
3795 | readline_set_completion_index(rs, len); | |
7fb1cf16 | 3796 | for (i = 0; i < Q_KEY_CODE__MAX; i++) { |
977c736f MA |
3797 | if (!strncmp(str, QKeyCode_str(i), len)) { |
3798 | readline_add_completion(rs, QKeyCode_str(i)); | |
29136cd8 HB |
3799 | } |
3800 | } | |
3801 | } | |
3802 | ||
40d19394 HB |
3803 | void set_link_completion(ReadLineState *rs, int nb_args, const char *str) |
3804 | { | |
3805 | size_t len; | |
3806 | ||
3807 | len = strlen(str); | |
3808 | readline_set_completion_index(rs, len); | |
3809 | if (nb_args == 2) { | |
eaed483c | 3810 | NetClientState *ncs[MAX_QUEUE_NUM]; |
40d19394 HB |
3811 | int count, i; |
3812 | count = qemu_find_net_clients_except(NULL, ncs, | |
f394b2e2 | 3813 | NET_CLIENT_DRIVER_NONE, |
eaed483c | 3814 | MAX_QUEUE_NUM); |
bcfa4d60 | 3815 | for (i = 0; i < MIN(count, MAX_QUEUE_NUM); i++) { |
40d19394 HB |
3816 | const char *name = ncs[i]->name; |
3817 | if (!strncmp(str, name, len)) { | |
3818 | readline_add_completion(rs, name); | |
3819 | } | |
3820 | } | |
3821 | } else if (nb_args == 3) { | |
3822 | add_completion_option(rs, str, "on"); | |
3823 | add_completion_option(rs, str, "off"); | |
3824 | } | |
3825 | } | |
3826 | ||
11b389f2 HB |
3827 | void netdev_del_completion(ReadLineState *rs, int nb_args, const char *str) |
3828 | { | |
3829 | int len, count, i; | |
eaed483c | 3830 | NetClientState *ncs[MAX_QUEUE_NUM]; |
11b389f2 HB |
3831 | |
3832 | if (nb_args != 2) { | |
3833 | return; | |
3834 | } | |
3835 | ||
3836 | len = strlen(str); | |
3837 | readline_set_completion_index(rs, len); | |
f394b2e2 | 3838 | count = qemu_find_net_clients_except(NULL, ncs, NET_CLIENT_DRIVER_NIC, |
eaed483c | 3839 | MAX_QUEUE_NUM); |
bcfa4d60 | 3840 | for (i = 0; i < MIN(count, MAX_QUEUE_NUM); i++) { |
11b389f2 HB |
3841 | QemuOpts *opts; |
3842 | const char *name = ncs[i]->name; | |
3843 | if (strncmp(str, name, len)) { | |
3844 | continue; | |
3845 | } | |
3846 | opts = qemu_opts_find(qemu_find_opts_err("netdev", NULL), name); | |
3847 | if (opts) { | |
3848 | readline_add_completion(rs, name); | |
3849 | } | |
3850 | } | |
3851 | } | |
3852 | ||
bd71211d LV |
3853 | void info_trace_events_completion(ReadLineState *rs, int nb_args, const char *str) |
3854 | { | |
3855 | size_t len; | |
3856 | ||
3857 | len = strlen(str); | |
3858 | readline_set_completion_index(rs, len); | |
3859 | if (nb_args == 2) { | |
0d4e995c DB |
3860 | TraceEventIter iter; |
3861 | TraceEvent *ev; | |
3862 | char *pattern = g_strdup_printf("%s*", str); | |
3863 | trace_event_iter_init(&iter, pattern); | |
3864 | while ((ev = trace_event_iter_next(&iter)) != NULL) { | |
3865 | readline_add_completion(rs, trace_event_get_name(ev)); | |
bd71211d | 3866 | } |
0d4e995c | 3867 | g_free(pattern); |
bd71211d LV |
3868 | } |
3869 | } | |
3870 | ||
987bd270 DDAG |
3871 | void trace_event_completion(ReadLineState *rs, int nb_args, const char *str) |
3872 | { | |
3873 | size_t len; | |
3874 | ||
3875 | len = strlen(str); | |
3876 | readline_set_completion_index(rs, len); | |
3877 | if (nb_args == 2) { | |
0d4e995c DB |
3878 | TraceEventIter iter; |
3879 | TraceEvent *ev; | |
3880 | char *pattern = g_strdup_printf("%s*", str); | |
3881 | trace_event_iter_init(&iter, pattern); | |
3882 | while ((ev = trace_event_iter_next(&iter)) != NULL) { | |
3883 | readline_add_completion(rs, trace_event_get_name(ev)); | |
3884 | } | |
3885 | g_free(pattern); | |
987bd270 DDAG |
3886 | } else if (nb_args == 3) { |
3887 | add_completion_option(rs, str, "on"); | |
3888 | add_completion_option(rs, str, "off"); | |
3889 | } | |
3890 | } | |
3891 | ||
d0ece345 HB |
3892 | void watchdog_action_completion(ReadLineState *rs, int nb_args, const char *str) |
3893 | { | |
4bb08af3 HB |
3894 | int i; |
3895 | ||
d0ece345 HB |
3896 | if (nb_args != 2) { |
3897 | return; | |
3898 | } | |
3899 | readline_set_completion_index(rs, strlen(str)); | |
14d53b4f MP |
3900 | for (i = 0; i < WATCHDOG_ACTION__MAX; i++) { |
3901 | add_completion_option(rs, str, WatchdogAction_str(i)); | |
4bb08af3 | 3902 | } |
d0ece345 HB |
3903 | } |
3904 | ||
c68a0409 HB |
3905 | void migrate_set_capability_completion(ReadLineState *rs, int nb_args, |
3906 | const char *str) | |
3907 | { | |
3908 | size_t len; | |
3909 | ||
3910 | len = strlen(str); | |
3911 | readline_set_completion_index(rs, len); | |
3912 | if (nb_args == 2) { | |
3913 | int i; | |
7fb1cf16 | 3914 | for (i = 0; i < MIGRATION_CAPABILITY__MAX; i++) { |
977c736f | 3915 | const char *name = MigrationCapability_str(i); |
c68a0409 HB |
3916 | if (!strncmp(str, name, len)) { |
3917 | readline_add_completion(rs, name); | |
3918 | } | |
3919 | } | |
3920 | } else if (nb_args == 3) { | |
3921 | add_completion_option(rs, str, "on"); | |
3922 | add_completion_option(rs, str, "off"); | |
3923 | } | |
3924 | } | |
3925 | ||
50e9a629 LL |
3926 | void migrate_set_parameter_completion(ReadLineState *rs, int nb_args, |
3927 | const char *str) | |
3928 | { | |
3929 | size_t len; | |
3930 | ||
3931 | len = strlen(str); | |
3932 | readline_set_completion_index(rs, len); | |
3933 | if (nb_args == 2) { | |
3934 | int i; | |
7fb1cf16 | 3935 | for (i = 0; i < MIGRATION_PARAMETER__MAX; i++) { |
977c736f | 3936 | const char *name = MigrationParameter_str(i); |
50e9a629 LL |
3937 | if (!strncmp(str, name, len)) { |
3938 | readline_add_completion(rs, name); | |
3939 | } | |
3940 | } | |
3941 | } | |
3942 | } | |
3943 | ||
b21631f3 HB |
3944 | static void vm_completion(ReadLineState *rs, const char *str) |
3945 | { | |
3946 | size_t len; | |
7c8eece4 | 3947 | BlockDriverState *bs; |
88be7b4b | 3948 | BdrvNextIterator it; |
b21631f3 HB |
3949 | |
3950 | len = strlen(str); | |
3951 | readline_set_completion_index(rs, len); | |
7c8eece4 | 3952 | |
88be7b4b | 3953 | for (bs = bdrv_first(&it); bs; bs = bdrv_next(&it)) { |
b21631f3 | 3954 | SnapshotInfoList *snapshots, *snapshot; |
6bf1faa8 DL |
3955 | AioContext *ctx = bdrv_get_aio_context(bs); |
3956 | bool ok = false; | |
b21631f3 | 3957 | |
6bf1faa8 DL |
3958 | aio_context_acquire(ctx); |
3959 | if (bdrv_can_snapshot(bs)) { | |
3960 | ok = bdrv_query_snapshot_info_list(bs, &snapshots, NULL) == 0; | |
b21631f3 | 3961 | } |
6bf1faa8 DL |
3962 | aio_context_release(ctx); |
3963 | if (!ok) { | |
b21631f3 HB |
3964 | continue; |
3965 | } | |
6bf1faa8 | 3966 | |
b21631f3 HB |
3967 | snapshot = snapshots; |
3968 | while (snapshot) { | |
3969 | char *completion = snapshot->value->name; | |
3970 | if (!strncmp(str, completion, len)) { | |
3971 | readline_add_completion(rs, completion); | |
3972 | } | |
3973 | completion = snapshot->value->id; | |
3974 | if (!strncmp(str, completion, len)) { | |
3975 | readline_add_completion(rs, completion); | |
3976 | } | |
3977 | snapshot = snapshot->next; | |
3978 | } | |
3979 | qapi_free_SnapshotInfoList(snapshots); | |
3980 | } | |
3981 | ||
3982 | } | |
3983 | ||
3984 | void delvm_completion(ReadLineState *rs, int nb_args, const char *str) | |
3985 | { | |
3986 | if (nb_args == 2) { | |
3987 | vm_completion(rs, str); | |
3988 | } | |
3989 | } | |
3990 | ||
3991 | void loadvm_completion(ReadLineState *rs, int nb_args, const char *str) | |
3992 | { | |
3993 | if (nb_args == 2) { | |
3994 | vm_completion(rs, str); | |
3995 | } | |
3996 | } | |
3997 | ||
c35b6400 WX |
3998 | static void monitor_find_completion_by_table(Monitor *mon, |
3999 | const mon_cmd_t *cmd_table, | |
4000 | char **args, | |
4001 | int nb_args) | |
81d0912d FB |
4002 | { |
4003 | const char *cmdname; | |
c35b6400 | 4004 | int i; |
bf67f1c0 | 4005 | const char *ptype, *old_ptype, *str, *name; |
c227f099 | 4006 | const mon_cmd_t *cmd; |
da27a00e | 4007 | BlockBackend *blk = NULL; |
81d0912d | 4008 | |
81d0912d FB |
4009 | if (nb_args <= 1) { |
4010 | /* command completion */ | |
4011 | if (nb_args == 0) | |
4012 | cmdname = ""; | |
4013 | else | |
4014 | cmdname = args[0]; | |
d2674b2c | 4015 | readline_set_completion_index(mon->rs, strlen(cmdname)); |
c35b6400 | 4016 | for (cmd = cmd_table; cmd->name != NULL; cmd++) { |
cd5c6bba | 4017 | cmd_completion(mon, cmdname, cmd->name); |
81d0912d FB |
4018 | } |
4019 | } else { | |
4020 | /* find the command */ | |
c35b6400 | 4021 | for (cmd = cmd_table; cmd->name != NULL; cmd++) { |
03a63484 JK |
4022 | if (compare_cmd(args[0], cmd->name)) { |
4023 | break; | |
4024 | } | |
81d0912d | 4025 | } |
03a63484 | 4026 | if (!cmd->name) { |
c35b6400 | 4027 | return; |
03a63484 JK |
4028 | } |
4029 | ||
d903a779 WX |
4030 | if (cmd->sub_table) { |
4031 | /* do the job again */ | |
e7ae771f SW |
4032 | monitor_find_completion_by_table(mon, cmd->sub_table, |
4033 | &args[1], nb_args - 1); | |
4034 | return; | |
d903a779 | 4035 | } |
bfa40f77 | 4036 | if (cmd->command_completion) { |
e7ae771f SW |
4037 | cmd->command_completion(mon->rs, nb_args, args[nb_args - 1]); |
4038 | return; | |
bfa40f77 | 4039 | } |
d903a779 | 4040 | |
4d76d2ba | 4041 | ptype = next_arg_type(cmd->args_type); |
81d0912d FB |
4042 | for(i = 0; i < nb_args - 2; i++) { |
4043 | if (*ptype != '\0') { | |
4d76d2ba | 4044 | ptype = next_arg_type(ptype); |
81d0912d | 4045 | while (*ptype == '?') |
4d76d2ba | 4046 | ptype = next_arg_type(ptype); |
81d0912d FB |
4047 | } |
4048 | } | |
4049 | str = args[nb_args - 1]; | |
bf67f1c0 DDAG |
4050 | old_ptype = NULL; |
4051 | while (*ptype == '-' && old_ptype != ptype) { | |
4052 | old_ptype = ptype; | |
3b6dbf27 | 4053 | ptype = next_arg_type(ptype); |
2a1704a7 | 4054 | } |
81d0912d FB |
4055 | switch(*ptype) { |
4056 | case 'F': | |
4057 | /* file completion */ | |
d2674b2c | 4058 | readline_set_completion_index(mon->rs, strlen(str)); |
cb8f68b1 | 4059 | file_completion(mon, str); |
81d0912d FB |
4060 | break; |
4061 | case 'B': | |
4062 | /* block device name completion */ | |
599a926a | 4063 | readline_set_completion_index(mon->rs, strlen(str)); |
da27a00e HR |
4064 | while ((blk = blk_next(blk)) != NULL) { |
4065 | name = blk_name(blk); | |
fea68bb6 MA |
4066 | if (str[0] == '\0' || |
4067 | !strncmp(name, str, strlen(str))) { | |
4068 | readline_add_completion(mon->rs, name); | |
4069 | } | |
4070 | } | |
81d0912d | 4071 | break; |
7fe48483 | 4072 | case 's': |
129be006 | 4073 | case 'S': |
29136cd8 | 4074 | if (!strcmp(cmd->name, "help|?")) { |
7ca0e061 WX |
4075 | monitor_find_completion_by_table(mon, cmd_table, |
4076 | &args[1], nb_args - 1); | |
7fe48483 FB |
4077 | } |
4078 | break; | |
81d0912d FB |
4079 | default: |
4080 | break; | |
4081 | } | |
4082 | } | |
c35b6400 WX |
4083 | } |
4084 | ||
c60bf339 | 4085 | static void monitor_find_completion(void *opaque, |
c35b6400 WX |
4086 | const char *cmdline) |
4087 | { | |
c60bf339 | 4088 | Monitor *mon = opaque; |
c35b6400 WX |
4089 | char *args[MAX_ARGS]; |
4090 | int nb_args, len; | |
4091 | ||
4092 | /* 1. parse the cmdline */ | |
4093 | if (parse_cmdline(cmdline, &nb_args, args) < 0) { | |
4094 | return; | |
4095 | } | |
c35b6400 WX |
4096 | |
4097 | /* if the line ends with a space, it means we want to complete the | |
4098 | next arg */ | |
4099 | len = strlen(cmdline); | |
4100 | if (len > 0 && qemu_isspace(cmdline[len - 1])) { | |
4101 | if (nb_args >= MAX_ARGS) { | |
4102 | goto cleanup; | |
4103 | } | |
4104 | args[nb_args++] = g_strdup(""); | |
4105 | } | |
4106 | ||
4107 | /* 2. auto complete according to args */ | |
4108 | monitor_find_completion_by_table(mon, mon->cmd_table, args, nb_args); | |
03a63484 JK |
4109 | |
4110 | cleanup: | |
dcc70cdf | 4111 | free_cmdline_args(args, nb_args); |
81d0912d FB |
4112 | } |
4113 | ||
731b0364 | 4114 | static int monitor_can_read(void *opaque) |
9dc39cba | 4115 | { |
731b0364 AL |
4116 | Monitor *mon = opaque; |
4117 | ||
df152fb9 | 4118 | return !atomic_mb_read(&mon->suspend_cnt); |
9dc39cba FB |
4119 | } |
4120 | ||
546aa566 PX |
4121 | /* |
4122 | * 1. This function takes ownership of rsp, err, and id. | |
4123 | * 2. rsp, err, and id may be NULL. | |
4124 | * 3. If err != NULL then rsp must be NULL. | |
4125 | */ | |
4126 | static void monitor_qmp_respond(Monitor *mon, QObject *rsp, | |
4127 | Error *err, QObject *id) | |
4128 | { | |
4129 | QDict *qdict = NULL; | |
4130 | ||
4131 | if (err) { | |
4132 | assert(!rsp); | |
4133 | qdict = qdict_new(); | |
4134 | qdict_put_obj(qdict, "error", qmp_build_error_object(err)); | |
4135 | error_free(err); | |
4136 | rsp = QOBJECT(qdict); | |
4137 | } | |
4138 | ||
4139 | if (rsp) { | |
4140 | if (id) { | |
f5a74a5a | 4141 | qdict_put_obj(qobject_to(QDict, rsp), "id", qobject_ref(id)); |
546aa566 PX |
4142 | } |
4143 | ||
4144 | monitor_json_emitter(mon, rsp); | |
4145 | } | |
4146 | ||
cb3e7f08 MAL |
4147 | qobject_unref(id); |
4148 | qobject_unref(rsp); | |
546aa566 PX |
4149 | } |
4150 | ||
71da4667 PX |
4151 | /* |
4152 | * Dispatch one single QMP request. The function will free the req_obj | |
4153 | * and objects inside it before return. | |
4154 | */ | |
4155 | static void monitor_qmp_dispatch_one(QMPRequest *req_obj) | |
5fa737a4 | 4156 | { |
71da4667 PX |
4157 | Monitor *mon, *old_mon; |
4158 | QObject *req, *rsp = NULL, *id; | |
71da4667 | 4159 | bool need_resume; |
5fa737a4 | 4160 | |
71da4667 PX |
4161 | req = req_obj->req; |
4162 | mon = req_obj->mon; | |
4163 | id = req_obj->id; | |
4164 | need_resume = req_obj->need_resume; | |
5fa737a4 | 4165 | |
71da4667 | 4166 | g_free(req_obj); |
5c678ee8 | 4167 | |
bd6952a3 DL |
4168 | if (trace_event_get_state_backends(TRACE_HANDLE_QMP_COMMAND)) { |
4169 | QString *req_json = qobject_to_json(req); | |
4170 | trace_handle_qmp_command(mon, qstring_get_str(req_json)); | |
cb3e7f08 | 4171 | qobject_unref(req_json); |
bd6952a3 | 4172 | } |
b097efc0 | 4173 | |
227a0755 PX |
4174 | old_mon = cur_mon; |
4175 | cur_mon = mon; | |
4176 | ||
71da4667 | 4177 | rsp = qmp_dispatch(mon->qmp.commands, req); |
5fa737a4 | 4178 | |
227a0755 PX |
4179 | cur_mon = old_mon; |
4180 | ||
71da4667 PX |
4181 | /* Respond if necessary */ |
4182 | monitor_qmp_respond(mon, rsp, NULL, id); | |
4183 | ||
4184 | /* This pairs with the monitor_suspend() in handle_qmp_command(). */ | |
4185 | if (need_resume) { | |
4186 | monitor_resume(mon); | |
4187 | } | |
5fa737a4 | 4188 | |
cb3e7f08 | 4189 | qobject_unref(req); |
5fa737a4 LC |
4190 | } |
4191 | ||
71da4667 PX |
4192 | /* |
4193 | * Pop one QMP request from monitor queues, return NULL if not found. | |
4194 | * We are using round-robin fashion to pop the request, to avoid | |
4195 | * processing commands only on a very busy monitor. To achieve that, | |
4196 | * when we process one request on a specific monitor, we put that | |
4197 | * monitor to the end of mon_list queue. | |
4198 | */ | |
4199 | static QMPRequest *monitor_qmp_requests_pop_one(void) | |
4200 | { | |
4201 | QMPRequest *req_obj = NULL; | |
4202 | Monitor *mon; | |
4203 | ||
4204 | qemu_mutex_lock(&monitor_lock); | |
4205 | ||
4206 | QTAILQ_FOREACH(mon, &mon_list, entry) { | |
4207 | qemu_mutex_lock(&mon->qmp.qmp_queue_lock); | |
4208 | req_obj = g_queue_pop_head(mon->qmp.qmp_requests); | |
4209 | qemu_mutex_unlock(&mon->qmp.qmp_queue_lock); | |
4210 | if (req_obj) { | |
4211 | break; | |
4212 | } | |
4213 | } | |
4214 | ||
4215 | if (req_obj) { | |
4216 | /* | |
4217 | * We found one request on the monitor. Degrade this monitor's | |
4218 | * priority to lowest by re-inserting it to end of queue. | |
4219 | */ | |
4220 | QTAILQ_REMOVE(&mon_list, mon, entry); | |
4221 | QTAILQ_INSERT_TAIL(&mon_list, mon, entry); | |
4222 | } | |
4223 | ||
4224 | qemu_mutex_unlock(&monitor_lock); | |
4225 | ||
4226 | return req_obj; | |
4227 | } | |
4228 | ||
4229 | static void monitor_qmp_bh_dispatcher(void *data) | |
4230 | { | |
4231 | QMPRequest *req_obj = monitor_qmp_requests_pop_one(); | |
4232 | ||
4233 | if (req_obj) { | |
cf869d53 | 4234 | trace_monitor_qmp_cmd_in_band(qobject_get_try_str(req_obj->id) ?: ""); |
71da4667 PX |
4235 | monitor_qmp_dispatch_one(req_obj); |
4236 | /* Reschedule instead of looping so the main loop stays responsive */ | |
4237 | qemu_bh_schedule(mon_global.qmp_dispatcher_bh); | |
4238 | } | |
4239 | } | |
4240 | ||
bf1e7301 PX |
4241 | #define QMP_REQ_QUEUE_LEN_MAX (8) |
4242 | ||
71da4667 PX |
4243 | static void handle_qmp_command(JSONMessageParser *parser, GQueue *tokens) |
4244 | { | |
4245 | QObject *req, *id = NULL; | |
4246 | QDict *qdict = NULL; | |
4247 | MonitorQMP *mon_qmp = container_of(parser, MonitorQMP, parser); | |
4248 | Monitor *mon = container_of(mon_qmp, Monitor, qmp); | |
4249 | Error *err = NULL; | |
4250 | QMPRequest *req_obj; | |
4251 | ||
4252 | req = json_parser_parse_err(tokens, NULL, &err); | |
4253 | if (!req && !err) { | |
4254 | /* json_parser_parse_err() sucks: can fail without setting @err */ | |
4255 | error_setg(&err, QERR_JSON_PARSING); | |
4256 | } | |
4257 | if (err) { | |
cf869d53 PX |
4258 | goto err; |
4259 | } | |
4260 | ||
4261 | /* Check against the request in general layout */ | |
4262 | qdict = qmp_dispatch_check_obj(req, &err); | |
4263 | if (!qdict) { | |
4264 | goto err; | |
71da4667 PX |
4265 | } |
4266 | ||
cf869d53 PX |
4267 | /* Check against OOB specific */ |
4268 | if (!qmp_cmd_oob_check(mon, qdict, &err)) { | |
4269 | goto err; | |
4270 | } | |
4271 | ||
4272 | id = qdict_get(qdict, "id"); | |
4273 | ||
4274 | /* When OOB is enabled, the "id" field is mandatory. */ | |
4275 | if (qmp_oob_enabled(mon) && !id) { | |
4276 | error_setg(&err, "Out-Of-Band capability requires that " | |
4277 | "every command contains an 'id' field"); | |
4278 | goto err; | |
4279 | } | |
4280 | ||
71da4667 PX |
4281 | req_obj = g_new0(QMPRequest, 1); |
4282 | req_obj->mon = mon; | |
f5a74a5a | 4283 | req_obj->id = qobject_ref(id); |
71da4667 PX |
4284 | req_obj->req = req; |
4285 | req_obj->need_resume = false; | |
4286 | ||
f5a74a5a MAL |
4287 | qdict_del(qdict, "id"); |
4288 | ||
cf869d53 PX |
4289 | if (qmp_is_oob(qdict)) { |
4290 | /* Out-Of-Band (OOB) requests are executed directly in parser. */ | |
4291 | trace_monitor_qmp_cmd_out_of_band(qobject_get_try_str(req_obj->id) | |
4292 | ?: ""); | |
4293 | monitor_qmp_dispatch_one(req_obj); | |
4294 | return; | |
4295 | } | |
4296 | ||
bf1e7301 PX |
4297 | /* Protect qmp_requests and fetching its length. */ |
4298 | qemu_mutex_lock(&mon->qmp.qmp_queue_lock); | |
4299 | ||
71da4667 PX |
4300 | /* |
4301 | * If OOB is not enabled on the current monitor, we'll emulate the | |
4302 | * old behavior that we won't process the current monitor any more | |
4303 | * until it has responded. This helps make sure that as long as | |
4304 | * OOB is not enabled, the server will never drop any command. | |
4305 | */ | |
4306 | if (!qmp_oob_enabled(mon)) { | |
4307 | monitor_suspend(mon); | |
4308 | req_obj->need_resume = true; | |
bf1e7301 PX |
4309 | } else { |
4310 | /* Drop the request if queue is full. */ | |
4311 | if (mon->qmp.qmp_requests->length >= QMP_REQ_QUEUE_LEN_MAX) { | |
4312 | qemu_mutex_unlock(&mon->qmp.qmp_queue_lock); | |
4313 | qapi_event_send_command_dropped(id, | |
4314 | COMMAND_DROP_REASON_QUEUE_FULL, | |
4315 | &error_abort); | |
6d2d563f | 4316 | qmp_request_free(req_obj); |
bf1e7301 PX |
4317 | return; |
4318 | } | |
71da4667 PX |
4319 | } |
4320 | ||
4321 | /* | |
4322 | * Put the request to the end of queue so that requests will be | |
4323 | * handled in time order. Ownership for req_obj, req, id, | |
4324 | * etc. will be delivered to the handler side. | |
4325 | */ | |
71da4667 PX |
4326 | g_queue_push_tail(mon->qmp.qmp_requests, req_obj); |
4327 | qemu_mutex_unlock(&mon->qmp.qmp_queue_lock); | |
4328 | ||
4329 | /* Kick the dispatcher routine */ | |
4330 | qemu_bh_schedule(mon_global.qmp_dispatcher_bh); | |
cf869d53 PX |
4331 | return; |
4332 | ||
4333 | err: | |
4334 | monitor_qmp_respond(mon, NULL, err, NULL); | |
cb3e7f08 | 4335 | qobject_unref(req); |
71da4667 PX |
4336 | } |
4337 | ||
c83fe23b | 4338 | static void monitor_qmp_read(void *opaque, const uint8_t *buf, int size) |
9b57c02e | 4339 | { |
227a0755 | 4340 | Monitor *mon = opaque; |
9b57c02e | 4341 | |
227a0755 | 4342 | json_message_parser_feed(&mon->qmp.parser, (const char *) buf, size); |
9b57c02e LC |
4343 | } |
4344 | ||
731b0364 | 4345 | static void monitor_read(void *opaque, const uint8_t *buf, int size) |
9dc39cba | 4346 | { |
731b0364 | 4347 | Monitor *old_mon = cur_mon; |
7e2515e8 | 4348 | int i; |
376253ec | 4349 | |
731b0364 AL |
4350 | cur_mon = opaque; |
4351 | ||
cde76ee1 AL |
4352 | if (cur_mon->rs) { |
4353 | for (i = 0; i < size; i++) | |
4354 | readline_handle_byte(cur_mon->rs, buf[i]); | |
4355 | } else { | |
4356 | if (size == 0 || buf[size - 1] != 0) | |
4357 | monitor_printf(cur_mon, "corrupted command\n"); | |
4358 | else | |
7ef6cf63 | 4359 | handle_hmp_command(cur_mon, (char *)buf); |
cde76ee1 | 4360 | } |
9dc39cba | 4361 | |
731b0364 AL |
4362 | cur_mon = old_mon; |
4363 | } | |
d8f44609 | 4364 | |
c60bf339 SH |
4365 | static void monitor_command_cb(void *opaque, const char *cmdline, |
4366 | void *readline_opaque) | |
aa455485 | 4367 | { |
c60bf339 SH |
4368 | Monitor *mon = opaque; |
4369 | ||
731b0364 | 4370 | monitor_suspend(mon); |
7ef6cf63 | 4371 | handle_hmp_command(mon, cmdline); |
731b0364 | 4372 | monitor_resume(mon); |
d8f44609 AL |
4373 | } |
4374 | ||
cde76ee1 | 4375 | int monitor_suspend(Monitor *mon) |
d8f44609 | 4376 | { |
e3e977d4 | 4377 | if (monitor_is_hmp_non_interactive(mon)) { |
cde76ee1 | 4378 | return -ENOTTY; |
e3e977d4 PX |
4379 | } |
4380 | ||
df152fb9 | 4381 | atomic_inc(&mon->suspend_cnt); |
e3e977d4 PX |
4382 | |
4383 | if (monitor_is_qmp(mon)) { | |
4384 | /* | |
4385 | * Kick iothread to make sure this takes effect. It'll be | |
4386 | * evaluated again in prepare() of the watch object. | |
4387 | */ | |
4388 | aio_notify(iothread_get_aio_context(mon_global.mon_iothread)); | |
4389 | } | |
4390 | ||
4391 | trace_monitor_suspend(mon, 1); | |
cde76ee1 | 4392 | return 0; |
d8f44609 AL |
4393 | } |
4394 | ||
376253ec | 4395 | void monitor_resume(Monitor *mon) |
d8f44609 | 4396 | { |
e3e977d4 | 4397 | if (monitor_is_hmp_non_interactive(mon)) { |
cde76ee1 | 4398 | return; |
e3e977d4 PX |
4399 | } |
4400 | ||
df152fb9 | 4401 | if (atomic_dec_fetch(&mon->suspend_cnt) == 0) { |
e3e977d4 PX |
4402 | if (monitor_is_qmp(mon)) { |
4403 | /* | |
4404 | * For QMP monitors that are running in IOThread, let's | |
4405 | * kick the thread in case it's sleeping. | |
4406 | */ | |
4407 | if (mon->use_io_thr) { | |
4408 | aio_notify(iothread_get_aio_context(mon_global.mon_iothread)); | |
4409 | } | |
4410 | } else { | |
4411 | assert(mon->rs); | |
4412 | readline_show_prompt(mon->rs); | |
4413 | } | |
df152fb9 | 4414 | } |
e3e977d4 | 4415 | trace_monitor_suspend(mon, -1); |
aa455485 FB |
4416 | } |
4417 | ||
02130314 | 4418 | static QObject *get_qmp_greeting(Monitor *mon) |
ca9567e2 | 4419 | { |
02130314 | 4420 | QList *cap_list = qlist_new(); |
b9c15f16 | 4421 | QObject *ver = NULL; |
02130314 | 4422 | QMPCapability cap; |
ca9567e2 | 4423 | |
7fad30f0 | 4424 | qmp_marshal_query_version(NULL, &ver, NULL); |
c823501e | 4425 | |
02130314 PX |
4426 | for (cap = 0; cap < QMP_CAPABILITY__MAX; cap++) { |
4427 | if (!mon->use_io_thr && cap == QMP_CAPABILITY_OOB) { | |
4428 | /* Monitors that are not using IOThread won't support OOB */ | |
4429 | continue; | |
4430 | } | |
625eaca9 | 4431 | qlist_append_str(cap_list, QMPCapability_str(cap)); |
02130314 PX |
4432 | } |
4433 | ||
4434 | return qobject_from_jsonf("{'QMP': {'version': %p, 'capabilities': %p}}", | |
4435 | ver, cap_list); | |
4436 | } | |
4437 | ||
4438 | static void monitor_qmp_caps_reset(Monitor *mon) | |
4439 | { | |
4440 | memset(mon->qmp.qmp_caps, 0, sizeof(mon->qmp.qmp_caps)); | |
ca9567e2 LC |
4441 | } |
4442 | ||
c83fe23b | 4443 | static void monitor_qmp_event(void *opaque, int event) |
9b57c02e | 4444 | { |
47116d1c LC |
4445 | QObject *data; |
4446 | Monitor *mon = opaque; | |
9b57c02e | 4447 | |
47116d1c LC |
4448 | switch (event) { |
4449 | case CHR_EVENT_OPENED: | |
635db18f | 4450 | mon->qmp.commands = &qmp_cap_negotiation_commands; |
02130314 PX |
4451 | monitor_qmp_caps_reset(mon); |
4452 | data = get_qmp_greeting(mon); | |
9b57c02e | 4453 | monitor_json_emitter(mon, data); |
cb3e7f08 | 4454 | qobject_unref(data); |
efb87c16 | 4455 | mon_refcount++; |
47116d1c LC |
4456 | break; |
4457 | case CHR_EVENT_CLOSED: | |
6d2d563f | 4458 | monitor_qmp_cleanup_queues(mon); |
74358f2a MA |
4459 | json_message_parser_destroy(&mon->qmp.parser); |
4460 | json_message_parser_init(&mon->qmp.parser, handle_qmp_command); | |
efb87c16 CB |
4461 | mon_refcount--; |
4462 | monitor_fdsets_cleanup(); | |
47116d1c | 4463 | break; |
9b57c02e LC |
4464 | } |
4465 | } | |
4466 | ||
731b0364 | 4467 | static void monitor_event(void *opaque, int event) |
86e94dea | 4468 | { |
376253ec AL |
4469 | Monitor *mon = opaque; |
4470 | ||
2724b180 AL |
4471 | switch (event) { |
4472 | case CHR_EVENT_MUX_IN: | |
dc7cbcd8 | 4473 | qemu_mutex_lock(&mon->mon_lock); |
a7aec5da | 4474 | mon->mux_out = 0; |
dc7cbcd8 | 4475 | qemu_mutex_unlock(&mon->mon_lock); |
a7aec5da GH |
4476 | if (mon->reset_seen) { |
4477 | readline_restart(mon->rs); | |
4478 | monitor_resume(mon); | |
4479 | monitor_flush(mon); | |
4480 | } else { | |
df152fb9 | 4481 | atomic_mb_set(&mon->suspend_cnt, 0); |
a7aec5da | 4482 | } |
2724b180 AL |
4483 | break; |
4484 | ||
4485 | case CHR_EVENT_MUX_OUT: | |
a7aec5da | 4486 | if (mon->reset_seen) { |
df152fb9 | 4487 | if (atomic_mb_read(&mon->suspend_cnt) == 0) { |
a7aec5da GH |
4488 | monitor_printf(mon, "\n"); |
4489 | } | |
4490 | monitor_flush(mon); | |
4491 | monitor_suspend(mon); | |
4492 | } else { | |
df152fb9 | 4493 | atomic_inc(&mon->suspend_cnt); |
a7aec5da | 4494 | } |
dc7cbcd8 | 4495 | qemu_mutex_lock(&mon->mon_lock); |
a7aec5da | 4496 | mon->mux_out = 1; |
dc7cbcd8 | 4497 | qemu_mutex_unlock(&mon->mon_lock); |
2724b180 | 4498 | break; |
86e94dea | 4499 | |
b6b8df56 | 4500 | case CHR_EVENT_OPENED: |
2724b180 AL |
4501 | monitor_printf(mon, "QEMU %s monitor - type 'help' for more " |
4502 | "information\n", QEMU_VERSION); | |
a7aec5da | 4503 | if (!mon->mux_out) { |
e5554e20 | 4504 | readline_restart(mon->rs); |
2724b180 | 4505 | readline_show_prompt(mon->rs); |
a7aec5da GH |
4506 | } |
4507 | mon->reset_seen = 1; | |
efb87c16 CB |
4508 | mon_refcount++; |
4509 | break; | |
4510 | ||
4511 | case CHR_EVENT_CLOSED: | |
4512 | mon_refcount--; | |
4513 | monitor_fdsets_cleanup(); | |
2724b180 AL |
4514 | break; |
4515 | } | |
86e94dea TS |
4516 | } |
4517 | ||
816f8925 WX |
4518 | static int |
4519 | compare_mon_cmd(const void *a, const void *b) | |
4520 | { | |
4521 | return strcmp(((const mon_cmd_t *)a)->name, | |
4522 | ((const mon_cmd_t *)b)->name); | |
4523 | } | |
4524 | ||
4525 | static void sortcmdlist(void) | |
4526 | { | |
4527 | int array_num; | |
4528 | int elem_size = sizeof(mon_cmd_t); | |
4529 | ||
4530 | array_num = sizeof(mon_cmds)/elem_size-1; | |
4531 | qsort((void *)mon_cmds, array_num, elem_size, compare_mon_cmd); | |
4532 | ||
4533 | array_num = sizeof(info_cmds)/elem_size-1; | |
4534 | qsort((void *)info_cmds, array_num, elem_size, compare_mon_cmd); | |
4535 | } | |
4536 | ||
a5ed3525 PX |
4537 | static GMainContext *monitor_get_io_context(void) |
4538 | { | |
4539 | return iothread_get_g_main_context(mon_global.mon_iothread); | |
4540 | } | |
4541 | ||
4542 | static AioContext *monitor_get_aio_context(void) | |
4543 | { | |
4544 | return iothread_get_aio_context(mon_global.mon_iothread); | |
4545 | } | |
4546 | ||
4547 | static void monitor_iothread_init(void) | |
4548 | { | |
4549 | mon_global.mon_iothread = iothread_create("mon_iothread", | |
4550 | &error_abort); | |
71da4667 PX |
4551 | |
4552 | /* | |
4553 | * This MUST be on main loop thread since we have commands that | |
4554 | * have assumption to be run on main loop thread. It would be | |
4555 | * nice that one day we can remove this assumption in the future. | |
4556 | */ | |
951702f3 | 4557 | mon_global.qmp_dispatcher_bh = aio_bh_new(iohandler_get_aio_context(), |
71da4667 PX |
4558 | monitor_qmp_bh_dispatcher, |
4559 | NULL); | |
abe3cd0f PX |
4560 | |
4561 | /* | |
4562 | * Unlike the dispatcher BH, this must be run on the monitor IO | |
4563 | * thread, so that monitors that are using IO thread will make | |
4564 | * sure read/write operations are all done on the IO thread. | |
4565 | */ | |
4566 | mon_global.qmp_respond_bh = aio_bh_new(monitor_get_aio_context(), | |
4567 | monitor_qmp_bh_responder, | |
4568 | NULL); | |
a5ed3525 PX |
4569 | } |
4570 | ||
6adf08dd PX |
4571 | void monitor_init_globals(void) |
4572 | { | |
4573 | monitor_init_qmp_commands(); | |
4574 | monitor_qapi_event_init(); | |
4575 | sortcmdlist(); | |
4576 | qemu_mutex_init(&monitor_lock); | |
47451466 | 4577 | qemu_mutex_init(&mon_fdsets_lock); |
a5ed3525 | 4578 | monitor_iothread_init(); |
6adf08dd PX |
4579 | } |
4580 | ||
c60bf339 SH |
4581 | /* These functions just adapt the readline interface in a typesafe way. We |
4582 | * could cast function pointers but that discards compiler checks. | |
4583 | */ | |
d5d1507b SW |
4584 | static void GCC_FMT_ATTR(2, 3) monitor_readline_printf(void *opaque, |
4585 | const char *fmt, ...) | |
c60bf339 SH |
4586 | { |
4587 | va_list ap; | |
4588 | va_start(ap, fmt); | |
4589 | monitor_vprintf(opaque, fmt, ap); | |
4590 | va_end(ap); | |
4591 | } | |
4592 | ||
4593 | static void monitor_readline_flush(void *opaque) | |
4594 | { | |
4595 | monitor_flush(opaque); | |
4596 | } | |
4597 | ||
397d30e9 PB |
4598 | /* |
4599 | * Print to current monitor if we have one, else to stderr. | |
4600 | * TODO should return int, so callers can calculate width, but that | |
4601 | * requires surgery to monitor_vprintf(). Left for another day. | |
4602 | */ | |
4603 | void error_vprintf(const char *fmt, va_list ap) | |
4604 | { | |
4605 | if (cur_mon && !monitor_cur_is_qmp()) { | |
4606 | monitor_vprintf(cur_mon, fmt, ap); | |
4607 | } else { | |
4608 | vfprintf(stderr, fmt, ap); | |
4609 | } | |
4610 | } | |
4611 | ||
4612 | void error_vprintf_unless_qmp(const char *fmt, va_list ap) | |
4613 | { | |
4614 | if (cur_mon && !monitor_cur_is_qmp()) { | |
4615 | monitor_vprintf(cur_mon, fmt, ap); | |
0d6b50d4 MAL |
4616 | } else if (!cur_mon) { |
4617 | vfprintf(stderr, fmt, ap); | |
397d30e9 PB |
4618 | } |
4619 | } | |
4620 | ||
a5ed3525 PX |
4621 | static void monitor_list_append(Monitor *mon) |
4622 | { | |
4623 | qemu_mutex_lock(&monitor_lock); | |
4624 | QTAILQ_INSERT_HEAD(&mon_list, mon, entry); | |
4625 | qemu_mutex_unlock(&monitor_lock); | |
4626 | } | |
4627 | ||
4628 | static void monitor_qmp_setup_handlers_bh(void *opaque) | |
4629 | { | |
4630 | Monitor *mon = opaque; | |
4631 | GMainContext *context; | |
4632 | ||
4633 | if (mon->use_io_thr) { | |
4634 | /* | |
4635 | * When use_io_thr is set, we use the global shared dedicated | |
4636 | * IO thread for this monitor to handle input/output. | |
4637 | */ | |
4638 | context = monitor_get_io_context(); | |
4639 | /* We should have inited globals before reaching here. */ | |
4640 | assert(context); | |
4641 | } else { | |
4642 | /* The default main loop, which is the main thread */ | |
4643 | context = NULL; | |
4644 | } | |
4645 | ||
4646 | qemu_chr_fe_set_handlers(&mon->chr, monitor_can_read, monitor_qmp_read, | |
4647 | monitor_qmp_event, NULL, mon, context, true); | |
4648 | monitor_list_append(mon); | |
4649 | } | |
4650 | ||
0ec7b3e7 | 4651 | void monitor_init(Chardev *chr, int flags) |
aa455485 | 4652 | { |
6adf08dd | 4653 | Monitor *mon = g_malloc(sizeof(*mon)); |
be933ffc PX |
4654 | bool use_readline = flags & MONITOR_USE_READLINE; |
4655 | bool use_oob = flags & MONITOR_USE_OOB; | |
4656 | ||
4657 | if (use_oob) { | |
4658 | if (CHARDEV_IS_MUX(chr)) { | |
4659 | error_report("Monitor Out-Of-Band is not supported with " | |
4660 | "MUX typed chardev backend"); | |
4661 | exit(1); | |
4662 | } | |
4663 | if (use_readline) { | |
4664 | error_report("Monitor Out-Of-band is only supported by QMP"); | |
4665 | exit(1); | |
4666 | } | |
4667 | } | |
87127161 | 4668 | |
be933ffc | 4669 | monitor_data_init(mon, false, use_oob); |
20d8a3ed | 4670 | |
32a6ebec | 4671 | qemu_chr_fe_init(&mon->chr, chr, &error_abort); |
731b0364 | 4672 | mon->flags = flags; |
be933ffc | 4673 | if (use_readline) { |
c60bf339 SH |
4674 | mon->rs = readline_init(monitor_readline_printf, |
4675 | monitor_readline_flush, | |
4676 | mon, | |
4677 | monitor_find_completion); | |
cde76ee1 AL |
4678 | monitor_read_command(mon, 0); |
4679 | } | |
87127161 | 4680 | |
9f3982f2 | 4681 | if (monitor_is_qmp(mon)) { |
5345fdb4 | 4682 | qemu_chr_fe_set_echo(&mon->chr, true); |
74358f2a | 4683 | json_message_parser_init(&mon->qmp.parser, handle_qmp_command); |
a5ed3525 PX |
4684 | if (mon->use_io_thr) { |
4685 | /* | |
4686 | * Make sure the old iowatch is gone. It's possible when | |
4687 | * e.g. the chardev is in client mode, with wait=on. | |
4688 | */ | |
4689 | remove_fd_in_watch(chr); | |
4690 | /* | |
4691 | * We can't call qemu_chr_fe_set_handlers() directly here | |
4692 | * since during the procedure the chardev will be active | |
4693 | * and running in monitor iothread, while we'll still do | |
4694 | * something before returning from it, which is a possible | |
4695 | * race too. To avoid that, we just create a BH to setup | |
4696 | * the handlers. | |
4697 | */ | |
4698 | aio_bh_schedule_oneshot(monitor_get_aio_context(), | |
4699 | monitor_qmp_setup_handlers_bh, mon); | |
4700 | /* We'll add this to mon_list in the BH when setup done */ | |
4701 | return; | |
4702 | } else { | |
4703 | qemu_chr_fe_set_handlers(&mon->chr, monitor_can_read, | |
4704 | monitor_qmp_read, monitor_qmp_event, | |
4705 | NULL, mon, NULL, true); | |
4706 | } | |
9b57c02e | 4707 | } else { |
5345fdb4 | 4708 | qemu_chr_fe_set_handlers(&mon->chr, monitor_can_read, monitor_read, |
81517ba3 | 4709 | monitor_event, NULL, mon, NULL, true); |
9b57c02e | 4710 | } |
87127161 | 4711 | |
a5ed3525 | 4712 | monitor_list_append(mon); |
aa455485 FB |
4713 | } |
4714 | ||
2ef45716 MAL |
4715 | void monitor_cleanup(void) |
4716 | { | |
4717 | Monitor *mon, *next; | |
4718 | ||
a5ed3525 PX |
4719 | /* |
4720 | * We need to explicitly stop the iothread (but not destroy it), | |
4721 | * cleanup the monitor resources, then destroy the iothread since | |
4722 | * we need to unregister from chardev below in | |
4723 | * monitor_data_destroy(), and chardev is not thread-safe yet | |
4724 | */ | |
4725 | iothread_stop(mon_global.mon_iothread); | |
4726 | ||
abe3cd0f PX |
4727 | /* |
4728 | * After we have IOThread to send responses, it's possible that | |
4729 | * when we stop the IOThread there are still replies queued in the | |
4730 | * responder queue. Flush all of them. Note that even after this | |
4731 | * flush it's still possible that out buffer is not flushed. | |
4732 | * It'll be done in below monitor_flush() as the last resort. | |
4733 | */ | |
4734 | monitor_qmp_bh_responder(NULL); | |
4735 | ||
2ef45716 | 4736 | qemu_mutex_lock(&monitor_lock); |
238d9f34 PX |
4737 | QTAILQ_FOREACH_SAFE(mon, &mon_list, entry, next) { |
4738 | QTAILQ_REMOVE(&mon_list, mon, entry); | |
abe3cd0f | 4739 | monitor_flush(mon); |
2ef45716 MAL |
4740 | monitor_data_destroy(mon); |
4741 | g_free(mon); | |
4742 | } | |
4743 | qemu_mutex_unlock(&monitor_lock); | |
a5ed3525 | 4744 | |
71da4667 PX |
4745 | /* QEMUBHs needs to be deleted before destroying the IOThread. */ |
4746 | qemu_bh_delete(mon_global.qmp_dispatcher_bh); | |
4747 | mon_global.qmp_dispatcher_bh = NULL; | |
abe3cd0f PX |
4748 | qemu_bh_delete(mon_global.qmp_respond_bh); |
4749 | mon_global.qmp_respond_bh = NULL; | |
71da4667 | 4750 | |
a5ed3525 PX |
4751 | iothread_destroy(mon_global.mon_iothread); |
4752 | mon_global.mon_iothread = NULL; | |
2ef45716 MAL |
4753 | } |
4754 | ||
4d454574 PB |
4755 | QemuOptsList qemu_mon_opts = { |
4756 | .name = "mon", | |
4757 | .implied_opt_name = "chardev", | |
4758 | .head = QTAILQ_HEAD_INITIALIZER(qemu_mon_opts.head), | |
4759 | .desc = { | |
4760 | { | |
4761 | .name = "mode", | |
4762 | .type = QEMU_OPT_STRING, | |
4763 | },{ | |
4764 | .name = "chardev", | |
4765 | .type = QEMU_OPT_STRING, | |
4d454574 PB |
4766 | },{ |
4767 | .name = "pretty", | |
4768 | .type = QEMU_OPT_BOOL, | |
be933ffc PX |
4769 | },{ |
4770 | .name = "x-oob", | |
4771 | .type = QEMU_OPT_BOOL, | |
4d454574 PB |
4772 | }, |
4773 | { /* end of list */ } | |
4774 | }, | |
4775 | }; | |
f2ae8abf MT |
4776 | |
4777 | #ifndef TARGET_I386 | |
4778 | void qmp_rtc_reset_reinjection(Error **errp) | |
4779 | { | |
c6bd8c70 | 4780 | error_setg(errp, QERR_FEATURE_DISABLED, "rtc-reset-reinjection"); |
f2ae8abf | 4781 | } |
08a161fd BS |
4782 | |
4783 | SevInfo *qmp_query_sev(Error **errp) | |
4784 | { | |
4785 | error_setg(errp, QERR_FEATURE_DISABLED, "query-sev"); | |
4786 | return NULL; | |
4787 | } | |
1b6a034f BS |
4788 | |
4789 | SevLaunchMeasureInfo *qmp_query_sev_launch_measure(Error **errp) | |
4790 | { | |
4791 | error_setg(errp, QERR_FEATURE_DISABLED, "query-sev-launch-measure"); | |
4792 | return NULL; | |
4793 | } | |
31dd67f6 BS |
4794 | |
4795 | SevCapability *qmp_query_sev_capabilities(Error **errp) | |
4796 | { | |
4797 | error_setg(errp, QERR_FEATURE_DISABLED, "query-sev-capabilities"); | |
4798 | return NULL; | |
4799 | } | |
f2ae8abf | 4800 | #endif |
7ee0c3e3 JH |
4801 | |
4802 | #ifndef TARGET_S390X | |
4803 | void qmp_dump_skeys(const char *filename, Error **errp) | |
4804 | { | |
4805 | error_setg(errp, QERR_FEATURE_DISABLED, "dump-skeys"); | |
4806 | } | |
4807 | #endif | |
ae50a770 PX |
4808 | |
4809 | #ifndef TARGET_ARM | |
4810 | GICCapabilityList *qmp_query_gic_capabilities(Error **errp) | |
4811 | { | |
4812 | error_setg(errp, QERR_FEATURE_DISABLED, "query-gic-capabilities"); | |
4813 | return NULL; | |
4814 | } | |
4815 | #endif | |
d4633541 IM |
4816 | |
4817 | HotpluggableCPUList *qmp_query_hotpluggable_cpus(Error **errp) | |
4818 | { | |
4819 | MachineState *ms = MACHINE(qdev_get_machine()); | |
4820 | MachineClass *mc = MACHINE_GET_CLASS(ms); | |
4821 | ||
c5514d0e | 4822 | if (!mc->has_hotpluggable_cpus) { |
d4633541 IM |
4823 | error_setg(errp, QERR_FEATURE_DISABLED, "query-hotpluggable-cpus"); |
4824 | return NULL; | |
4825 | } | |
4826 | ||
c5514d0e | 4827 | return machine_query_hotpluggable_cpus(ms); |
d4633541 | 4828 | } |