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Commit | Line | Data |
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9dc39cba FB |
1 | /* |
2 | * QEMU monitor | |
5fafdf24 | 3 | * |
9dc39cba | 4 | * Copyright (c) 2003-2004 Fabrice Bellard |
5fafdf24 | 5 | * |
9dc39cba FB |
6 | * Permission is hereby granted, free of charge, to any person obtaining a copy |
7 | * of this software and associated documentation files (the "Software"), to deal | |
8 | * in the Software without restriction, including without limitation the rights | |
9 | * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell | |
10 | * copies of the Software, and to permit persons to whom the Software is | |
11 | * furnished to do so, subject to the following conditions: | |
12 | * | |
13 | * The above copyright notice and this permission notice shall be included in | |
14 | * all copies or substantial portions of the Software. | |
15 | * | |
16 | * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR | |
17 | * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, | |
18 | * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL | |
19 | * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER | |
20 | * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, | |
21 | * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN | |
22 | * THE SOFTWARE. | |
23 | */ | |
e688df6b | 24 | |
d38ea87a | 25 | #include "qemu/osdep.h" |
8ec338ac | 26 | #include "qemu/units.h" |
511d2b14 | 27 | #include <dirent.h> |
33c11879 | 28 | #include "cpu.h" |
87ecb68b | 29 | #include "hw/hw.h" |
b4a42f81 | 30 | #include "monitor/qdev.h" |
87ecb68b | 31 | #include "hw/usb.h" |
a2cb15b0 | 32 | #include "hw/pci/pci.h" |
0d09e41a | 33 | #include "sysemu/watchdog.h" |
45a50b16 | 34 | #include "hw/loader.h" |
022c62cb | 35 | #include "exec/gdbstub.h" |
1422e32d | 36 | #include "net/net.h" |
68ac40d2 | 37 | #include "net/slirp.h" |
4d43a603 | 38 | #include "chardev/char-fe.h" |
a5ed3525 | 39 | #include "chardev/char-io.h" |
be933ffc | 40 | #include "chardev/char-mux.h" |
7572150c | 41 | #include "ui/qemu-spice.h" |
e35704ba | 42 | #include "sysemu/numa.h" |
83c9089e | 43 | #include "monitor/monitor.h" |
213dcb06 | 44 | #include "qemu/config-file.h" |
0150cd81 | 45 | #include "qemu/readline.h" |
28ecbaee | 46 | #include "ui/console.h" |
c751a74a | 47 | #include "ui/input.h" |
da27a00e | 48 | #include "sysemu/block-backend.h" |
87ecb68b | 49 | #include "audio/audio.h" |
76cad711 | 50 | #include "disas/disas.h" |
9c17d615 | 51 | #include "sysemu/balloon.h" |
1de7afc9 | 52 | #include "qemu/timer.h" |
b3946626 | 53 | #include "sysemu/hw_accel.h" |
1de7afc9 | 54 | #include "qemu/acl.h" |
bdee56f5 | 55 | #include "sysemu/tpm.h" |
452fcdbc | 56 | #include "qapi/qmp/qdict.h" |
cc7a8ea7 | 57 | #include "qapi/qmp/qerror.h" |
15280c36 | 58 | #include "qapi/qmp/qnum.h" |
fc81fa1e | 59 | #include "qapi/qmp/qstring.h" |
7b1b5d19 PB |
60 | #include "qapi/qmp/qjson.h" |
61 | #include "qapi/qmp/json-streamer.h" | |
62 | #include "qapi/qmp/json-parser.h" | |
02130314 | 63 | #include "qapi/qmp/qlist.h" |
a9c94277 | 64 | #include "qom/object_interfaces.h" |
0ab8ed18 | 65 | #include "trace-root.h" |
31965ae2 | 66 | #include "trace/control.h" |
bf957284 | 67 | #include "monitor/hmp-target.h" |
6d8a764e | 68 | #ifdef CONFIG_TRACE_SIMPLE |
31965ae2 | 69 | #include "trace/simple.h" |
22890ab5 | 70 | #endif |
022c62cb | 71 | #include "exec/memory.h" |
63c91552 | 72 | #include "exec/exec-all.h" |
03dd024f | 73 | #include "qemu/log.h" |
922a01a0 | 74 | #include "qemu/option.h" |
48a32bed | 75 | #include "hmp.h" |
1de7afc9 | 76 | #include "qemu/thread.h" |
b21631f3 | 77 | #include "block/qapi.h" |
eb815e24 MA |
78 | #include "qapi/qapi-commands.h" |
79 | #include "qapi/qapi-events.h" | |
e688df6b | 80 | #include "qapi/error.h" |
43a14cfc | 81 | #include "qapi/qmp-event.h" |
eb815e24 | 82 | #include "qapi/qapi-introspect.h" |
dc599978 | 83 | #include "sysemu/qtest.h" |
d2528bdc | 84 | #include "sysemu/cpus.h" |
a5ed3525 | 85 | #include "sysemu/iothread.h" |
f348b6d1 | 86 | #include "qemu/cutils.h" |
6a5bd307 | 87 | |
a4538a5c JH |
88 | #if defined(TARGET_S390X) |
89 | #include "hw/s390x/storage-keys.h" | |
f860d497 | 90 | #include "hw/s390x/storage-attributes.h" |
a4538a5c JH |
91 | #endif |
92 | ||
9307c4c1 FB |
93 | /* |
94 | * Supported types: | |
5fafdf24 | 95 | * |
9307c4c1 | 96 | * 'F' filename |
81d0912d | 97 | * 'B' block device name |
9307c4c1 | 98 | * 's' string (accept optional quote) |
129be006 | 99 | * 'S' it just appends the rest of the string (accept optional quote) |
361127df MA |
100 | * 'O' option string of the form NAME=VALUE,... |
101 | * parsed according to QemuOptsList given by its name | |
102 | * Example: 'device:O' uses qemu_device_opts. | |
103 | * Restriction: only lists with empty desc are supported | |
104 | * TODO lift the restriction | |
92a31b1f FB |
105 | * 'i' 32 bit integer |
106 | * 'l' target long (32 or 64 bit) | |
91162849 LC |
107 | * 'M' Non-negative target long (32 or 64 bit), in user mode the |
108 | * value is multiplied by 2^20 (think Mebibyte) | |
dbc0c67f | 109 | * 'o' octets (aka bytes) |
5e00984a KW |
110 | * user mode accepts an optional E, e, P, p, T, t, G, g, M, m, |
111 | * K, k suffix, which multiplies the value by 2^60 for suffixes E | |
112 | * and e, 2^50 for suffixes P and p, 2^40 for suffixes T and t, | |
113 | * 2^30 for suffixes G and g, 2^20 for M and m, 2^10 for K and k | |
fccfb11e MA |
114 | * 'T' double |
115 | * user mode accepts an optional ms, us, ns suffix, | |
116 | * which divides the value by 1e3, 1e6, 1e9, respectively | |
9307c4c1 FB |
117 | * '/' optional gdb-like print format (like "/10x") |
118 | * | |
fb46660e LC |
119 | * '?' optional type (for all types, except '/') |
120 | * '.' other form of optional type (for 'i' and 'l') | |
942cd1f2 MA |
121 | * 'b' boolean |
122 | * user mode accepts "on" or "off" | |
fb46660e | 123 | * '-' optional parameter (eg. '-f') |
9307c4c1 FB |
124 | * |
125 | */ | |
126 | ||
c227f099 | 127 | typedef struct mon_cmd_t { |
9dc39cba | 128 | const char *name; |
9307c4c1 | 129 | const char *args_type; |
9dc39cba FB |
130 | const char *params; |
131 | const char *help; | |
c3120f71 | 132 | const char *flags; /* p=preconfig */ |
2b9e3576 MAL |
133 | void (*cmd)(Monitor *mon, const QDict *qdict); |
134 | /* @sub_table is a list of 2nd level of commands. If it does not exist, | |
135 | * cmd should be used. If it exists, sub_table[?].cmd should be | |
136 | * used, and cmd of 1st level plays the role of help function. | |
5f3d335f WX |
137 | */ |
138 | struct mon_cmd_t *sub_table; | |
bfa40f77 | 139 | void (*command_completion)(ReadLineState *rs, int nb_args, const char *str); |
c227f099 | 140 | } mon_cmd_t; |
9dc39cba | 141 | |
f07918fd | 142 | /* file descriptors passed via SCM_RIGHTS */ |
c227f099 AL |
143 | typedef struct mon_fd_t mon_fd_t; |
144 | struct mon_fd_t { | |
f07918fd MM |
145 | char *name; |
146 | int fd; | |
c227f099 | 147 | QLIST_ENTRY(mon_fd_t) next; |
f07918fd MM |
148 | }; |
149 | ||
ba1c048a CB |
150 | /* file descriptor associated with a file descriptor set */ |
151 | typedef struct MonFdsetFd MonFdsetFd; | |
152 | struct MonFdsetFd { | |
153 | int fd; | |
154 | bool removed; | |
155 | char *opaque; | |
156 | QLIST_ENTRY(MonFdsetFd) next; | |
157 | }; | |
158 | ||
159 | /* file descriptor set containing fds passed via SCM_RIGHTS */ | |
160 | typedef struct MonFdset MonFdset; | |
161 | struct MonFdset { | |
162 | int64_t id; | |
163 | QLIST_HEAD(, MonFdsetFd) fds; | |
adb696f3 | 164 | QLIST_HEAD(, MonFdsetFd) dup_fds; |
ba1c048a CB |
165 | QLIST_ENTRY(MonFdset) next; |
166 | }; | |
167 | ||
74358f2a | 168 | typedef struct { |
5fa737a4 | 169 | JSONMessageParser parser; |
f994b258 MA |
170 | /* |
171 | * When a client connects, we're in capabilities negotiation mode. | |
172 | * When command qmp_capabilities succeeds, we go into command | |
173 | * mode. | |
174 | */ | |
635db18f | 175 | QmpCommandList *commands; |
02130314 | 176 | bool qmp_caps[QMP_CAPABILITY__MAX]; |
71da4667 PX |
177 | /* |
178 | * Protects qmp request/response queue. Please take monitor_lock | |
179 | * first when used together. | |
180 | */ | |
181 | QemuMutex qmp_queue_lock; | |
182 | /* Input queue that holds all the parsed QMP requests */ | |
183 | GQueue *qmp_requests; | |
abe3cd0f PX |
184 | /* Output queue contains all the QMP responses in order */ |
185 | GQueue *qmp_responses; | |
74358f2a | 186 | } MonitorQMP; |
5fa737a4 | 187 | |
afeecec2 DB |
188 | /* |
189 | * To prevent flooding clients, events can be throttled. The | |
190 | * throttling is calculated globally, rather than per-Monitor | |
191 | * instance. | |
192 | */ | |
43a14cfc | 193 | typedef struct MonitorQAPIEventState { |
7de0be65 MA |
194 | QAPIEvent event; /* Throttling state for this event type and... */ |
195 | QDict *data; /* ... data, see qapi_event_throttle_equal() */ | |
afeecec2 | 196 | QEMUTimer *timer; /* Timer for handling delayed events */ |
688b4b7d | 197 | QDict *qdict; /* Delayed event (if any) */ |
43a14cfc | 198 | } MonitorQAPIEventState; |
afeecec2 | 199 | |
b9b03ab0 MA |
200 | typedef struct { |
201 | int64_t rate; /* Minimum time (in ns) between two events */ | |
202 | } MonitorQAPIEventConf; | |
203 | ||
87127161 | 204 | struct Monitor { |
32a6ebec | 205 | CharBackend chr; |
a7aec5da | 206 | int reset_seen; |
731b0364 | 207 | int flags; |
df152fb9 | 208 | int suspend_cnt; /* Needs to be accessed atomically */ |
48c043d0 | 209 | bool skip_flush; |
a5ed3525 | 210 | bool use_io_thr; |
d9f25280 PX |
211 | |
212 | /* | |
213 | * State used only in the thread "owning" the monitor. | |
214 | * If @use_io_thr, this is mon_global.mon_iothread. | |
215 | * Else, it's the main thread. | |
216 | * These members can be safely accessed without locks. | |
217 | */ | |
731b0364 | 218 | ReadLineState *rs; |
d9f25280 | 219 | |
74358f2a | 220 | MonitorQMP qmp; |
751f8cfe | 221 | gchar *mon_cpu_path; |
097310b5 | 222 | BlockCompletionFunc *password_completion_cb; |
731b0364 | 223 | void *password_opaque; |
7717239d | 224 | mon_cmd_t *cmd_table; |
238d9f34 | 225 | QTAILQ_ENTRY(Monitor) entry; |
dc7cbcd8 PX |
226 | |
227 | /* | |
228 | * The per-monitor lock. We can't access guest memory when holding | |
229 | * the lock. | |
230 | */ | |
231 | QemuMutex mon_lock; | |
232 | ||
233 | /* | |
234 | * Fields that are protected by the per-monitor lock. | |
235 | */ | |
9409fc05 | 236 | QLIST_HEAD(, mon_fd_t) fds; |
dc7cbcd8 PX |
237 | QString *outbuf; |
238 | guint out_watch; | |
239 | /* Read under either BQL or mon_lock, written with BQL+mon_lock. */ | |
240 | int mux_out; | |
87127161 AL |
241 | }; |
242 | ||
a5ed3525 PX |
243 | /* Let's add monitor global variables to this struct. */ |
244 | static struct { | |
245 | IOThread *mon_iothread; | |
c5f57ed0 | 246 | /* Bottom half to dispatch the requests received from I/O thread */ |
71da4667 | 247 | QEMUBH *qmp_dispatcher_bh; |
abe3cd0f PX |
248 | /* Bottom half to deliver the responses back to clients */ |
249 | QEMUBH *qmp_respond_bh; | |
a5ed3525 PX |
250 | } mon_global; |
251 | ||
6d2d563f PX |
252 | struct QMPRequest { |
253 | /* Owner of the request */ | |
254 | Monitor *mon; | |
255 | /* "id" field of the request */ | |
256 | QObject *id; | |
257 | /* Request object to be handled */ | |
258 | QObject *req; | |
259 | /* | |
260 | * Whether we need to resume the monitor afterward. This flag is | |
261 | * used to emulate the old QMP server behavior that the current | |
262 | * command must be completed before execution of the next one. | |
263 | */ | |
264 | bool need_resume; | |
265 | }; | |
266 | typedef struct QMPRequest QMPRequest; | |
267 | ||
2dbc8db0 LC |
268 | /* QMP checker flags */ |
269 | #define QMP_ACCEPT_UNKNOWNS 1 | |
270 | ||
095cb1bf | 271 | /* Protects mon_list, monitor_qapi_event_state. */ |
d622cb58 | 272 | static QemuMutex monitor_lock; |
095cb1bf | 273 | static GHashTable *monitor_qapi_event_state; |
238d9f34 | 274 | static QTAILQ_HEAD(mon_list, Monitor) mon_list; |
095cb1bf | 275 | |
47451466 PX |
276 | /* Protects mon_fdsets */ |
277 | static QemuMutex mon_fdsets_lock; | |
ba1c048a | 278 | static QLIST_HEAD(mon_fdsets, MonFdset) mon_fdsets; |
47451466 | 279 | |
efb87c16 | 280 | static int mon_refcount; |
7e2515e8 | 281 | |
816f8925 WX |
282 | static mon_cmd_t mon_cmds[]; |
283 | static mon_cmd_t info_cmds[]; | |
9dc39cba | 284 | |
635db18f | 285 | QmpCommandList qmp_commands, qmp_cap_negotiation_commands; |
1527badb | 286 | |
8631b608 | 287 | Monitor *cur_mon; |
376253ec | 288 | |
c60bf339 SH |
289 | static void monitor_command_cb(void *opaque, const char *cmdline, |
290 | void *readline_opaque); | |
83ab7950 | 291 | |
9f3982f2 MA |
292 | /** |
293 | * Is @mon a QMP monitor? | |
294 | */ | |
295 | static inline bool monitor_is_qmp(const Monitor *mon) | |
418173c7 LC |
296 | { |
297 | return (mon->flags & MONITOR_USE_CONTROL); | |
298 | } | |
299 | ||
e3e977d4 PX |
300 | /** |
301 | * Whether @mon is using readline? Note: not all HMP monitors use | |
302 | * readline, e.g., gdbserver has a non-interactive HMP monitor, so | |
303 | * readline is not used there. | |
304 | */ | |
305 | static inline bool monitor_uses_readline(const Monitor *mon) | |
306 | { | |
307 | return mon->flags & MONITOR_USE_READLINE; | |
308 | } | |
309 | ||
310 | static inline bool monitor_is_hmp_non_interactive(const Monitor *mon) | |
311 | { | |
312 | return !monitor_is_qmp(mon) && !monitor_uses_readline(mon); | |
313 | } | |
314 | ||
6e8c5f4d PX |
315 | /* |
316 | * Return the clock to use for recording an event's time. | |
317 | * Beware: result is invalid before configure_accelerator(). | |
318 | */ | |
319 | static inline QEMUClockType monitor_get_event_clock(void) | |
320 | { | |
321 | /* | |
322 | * This allows us to perform tests on the monitor queues to verify | |
323 | * that the rate limits are enforced. | |
324 | */ | |
325 | return qtest_enabled() ? QEMU_CLOCK_VIRTUAL : QEMU_CLOCK_REALTIME; | |
326 | } | |
327 | ||
489653b5 MA |
328 | /** |
329 | * Is the current monitor, if any, a QMP monitor? | |
330 | */ | |
331 | bool monitor_cur_is_qmp(void) | |
6620d3ce | 332 | { |
9f3982f2 | 333 | return cur_mon && monitor_is_qmp(cur_mon); |
6620d3ce MA |
334 | } |
335 | ||
7060b478 | 336 | void monitor_read_command(Monitor *mon, int show_prompt) |
731b0364 | 337 | { |
183e6e52 LC |
338 | if (!mon->rs) |
339 | return; | |
340 | ||
731b0364 AL |
341 | readline_start(mon->rs, "(qemu) ", 0, monitor_command_cb, NULL); |
342 | if (show_prompt) | |
343 | readline_show_prompt(mon->rs); | |
344 | } | |
6a00d601 | 345 | |
7060b478 AL |
346 | int monitor_read_password(Monitor *mon, ReadLineFunc *readline_func, |
347 | void *opaque) | |
bb5fc20f | 348 | { |
bcf5d19c | 349 | if (mon->rs) { |
cde76ee1 AL |
350 | readline_start(mon->rs, "Password: ", 1, readline_func, opaque); |
351 | /* prompt is printed on return from the command handler */ | |
352 | return 0; | |
353 | } else { | |
354 | monitor_printf(mon, "terminal does not support password prompting\n"); | |
355 | return -ENOTTY; | |
356 | } | |
bb5fc20f AL |
357 | } |
358 | ||
6d2d563f PX |
359 | static void qmp_request_free(QMPRequest *req) |
360 | { | |
cb3e7f08 MAL |
361 | qobject_unref(req->id); |
362 | qobject_unref(req->req); | |
6d2d563f PX |
363 | g_free(req); |
364 | } | |
365 | ||
366 | /* Must with the mon->qmp.qmp_queue_lock held */ | |
367 | static void monitor_qmp_cleanup_req_queue_locked(Monitor *mon) | |
368 | { | |
369 | while (!g_queue_is_empty(mon->qmp.qmp_requests)) { | |
370 | qmp_request_free(g_queue_pop_head(mon->qmp.qmp_requests)); | |
371 | } | |
372 | } | |
373 | ||
374 | /* Must with the mon->qmp.qmp_queue_lock held */ | |
375 | static void monitor_qmp_cleanup_resp_queue_locked(Monitor *mon) | |
376 | { | |
377 | while (!g_queue_is_empty(mon->qmp.qmp_responses)) { | |
cb3e7f08 | 378 | qobject_unref((QObject *)g_queue_pop_head(mon->qmp.qmp_responses)); |
6d2d563f PX |
379 | } |
380 | } | |
381 | ||
382 | static void monitor_qmp_cleanup_queues(Monitor *mon) | |
383 | { | |
384 | qemu_mutex_lock(&mon->qmp.qmp_queue_lock); | |
385 | monitor_qmp_cleanup_req_queue_locked(mon); | |
386 | monitor_qmp_cleanup_resp_queue_locked(mon); | |
387 | qemu_mutex_unlock(&mon->qmp.qmp_queue_lock); | |
388 | } | |
389 | ||
390 | ||
6cff3e85 PB |
391 | static void monitor_flush_locked(Monitor *mon); |
392 | ||
f628926b GH |
393 | static gboolean monitor_unblocked(GIOChannel *chan, GIOCondition cond, |
394 | void *opaque) | |
395 | { | |
293d2a00 LE |
396 | Monitor *mon = opaque; |
397 | ||
dc7cbcd8 | 398 | qemu_mutex_lock(&mon->mon_lock); |
6cff3e85 PB |
399 | mon->out_watch = 0; |
400 | monitor_flush_locked(mon); | |
dc7cbcd8 | 401 | qemu_mutex_unlock(&mon->mon_lock); |
f628926b GH |
402 | return FALSE; |
403 | } | |
404 | ||
dc7cbcd8 | 405 | /* Called with mon->mon_lock held. */ |
6cff3e85 | 406 | static void monitor_flush_locked(Monitor *mon) |
7e2515e8 | 407 | { |
f628926b | 408 | int rc; |
e1f2641b LC |
409 | size_t len; |
410 | const char *buf; | |
411 | ||
48c043d0 LC |
412 | if (mon->skip_flush) { |
413 | return; | |
414 | } | |
415 | ||
e1f2641b LC |
416 | buf = qstring_get_str(mon->outbuf); |
417 | len = qstring_get_length(mon->outbuf); | |
f628926b | 418 | |
a4cc73d6 | 419 | if (len && !mon->mux_out) { |
5345fdb4 | 420 | rc = qemu_chr_fe_write(&mon->chr, (const uint8_t *) buf, len); |
056f49ff SP |
421 | if ((rc < 0 && errno != EAGAIN) || (rc == len)) { |
422 | /* all flushed or error */ | |
cb3e7f08 | 423 | qobject_unref(mon->outbuf); |
e1f2641b | 424 | mon->outbuf = qstring_new(); |
f628926b GH |
425 | return; |
426 | } | |
427 | if (rc > 0) { | |
3b7c78c8 | 428 | /* partial write */ |
e1f2641b | 429 | QString *tmp = qstring_from_str(buf + rc); |
cb3e7f08 | 430 | qobject_unref(mon->outbuf); |
e1f2641b | 431 | mon->outbuf = tmp; |
f628926b | 432 | } |
6cff3e85 | 433 | if (mon->out_watch == 0) { |
32a6ebec | 434 | mon->out_watch = |
5345fdb4 | 435 | qemu_chr_fe_add_watch(&mon->chr, G_IO_OUT | G_IO_HUP, |
32a6ebec | 436 | monitor_unblocked, mon); |
293d2a00 | 437 | } |
7e2515e8 FB |
438 | } |
439 | } | |
440 | ||
6cff3e85 PB |
441 | void monitor_flush(Monitor *mon) |
442 | { | |
dc7cbcd8 | 443 | qemu_mutex_lock(&mon->mon_lock); |
6cff3e85 | 444 | monitor_flush_locked(mon); |
dc7cbcd8 | 445 | qemu_mutex_unlock(&mon->mon_lock); |
6cff3e85 PB |
446 | } |
447 | ||
e1f2641b | 448 | /* flush at every end of line */ |
376253ec | 449 | static void monitor_puts(Monitor *mon, const char *str) |
7e2515e8 | 450 | { |
60fe76f3 | 451 | char c; |
731b0364 | 452 | |
dc7cbcd8 | 453 | qemu_mutex_lock(&mon->mon_lock); |
7e2515e8 FB |
454 | for(;;) { |
455 | c = *str++; | |
456 | if (c == '\0') | |
457 | break; | |
e1f2641b LC |
458 | if (c == '\n') { |
459 | qstring_append_chr(mon->outbuf, '\r'); | |
460 | } | |
461 | qstring_append_chr(mon->outbuf, c); | |
462 | if (c == '\n') { | |
6cff3e85 | 463 | monitor_flush_locked(mon); |
e1f2641b | 464 | } |
7e2515e8 | 465 | } |
dc7cbcd8 | 466 | qemu_mutex_unlock(&mon->mon_lock); |
7e2515e8 FB |
467 | } |
468 | ||
376253ec | 469 | void monitor_vprintf(Monitor *mon, const char *fmt, va_list ap) |
9dc39cba | 470 | { |
e1f2641b | 471 | char *buf; |
b8b08266 | 472 | |
2daa1191 LC |
473 | if (!mon) |
474 | return; | |
475 | ||
9f3982f2 | 476 | if (monitor_is_qmp(mon)) { |
b8b08266 | 477 | return; |
4a29a85d | 478 | } |
b8b08266 | 479 | |
e1f2641b | 480 | buf = g_strdup_vprintf(fmt, ap); |
b8b08266 | 481 | monitor_puts(mon, buf); |
e1f2641b | 482 | g_free(buf); |
9dc39cba FB |
483 | } |
484 | ||
376253ec | 485 | void monitor_printf(Monitor *mon, const char *fmt, ...) |
9dc39cba | 486 | { |
7e2515e8 FB |
487 | va_list ap; |
488 | va_start(ap, fmt); | |
376253ec | 489 | monitor_vprintf(mon, fmt, ap); |
7e2515e8 | 490 | va_end(ap); |
9dc39cba FB |
491 | } |
492 | ||
caf15319 | 493 | int monitor_fprintf(FILE *stream, const char *fmt, ...) |
7fe48483 FB |
494 | { |
495 | va_list ap; | |
496 | va_start(ap, fmt); | |
376253ec | 497 | monitor_vprintf((Monitor *)stream, fmt, ap); |
7fe48483 FB |
498 | va_end(ap); |
499 | return 0; | |
500 | } | |
501 | ||
abe3cd0f PX |
502 | static void monitor_json_emitter_raw(Monitor *mon, |
503 | QObject *data) | |
9b57c02e LC |
504 | { |
505 | QString *json; | |
506 | ||
83a27d4d LC |
507 | json = mon->flags & MONITOR_USE_PRETTY ? qobject_to_json_pretty(data) : |
508 | qobject_to_json(data); | |
9b57c02e LC |
509 | assert(json != NULL); |
510 | ||
b8b08266 LC |
511 | qstring_append_chr(json, '\n'); |
512 | monitor_puts(mon, qstring_get_str(json)); | |
4a29a85d | 513 | |
cb3e7f08 | 514 | qobject_unref(json); |
9b57c02e LC |
515 | } |
516 | ||
abe3cd0f PX |
517 | static void monitor_json_emitter(Monitor *mon, QObject *data) |
518 | { | |
519 | if (mon->use_io_thr) { | |
520 | /* | |
c5f57ed0 | 521 | * If using I/O thread, we need to queue the item so that I/O |
abe3cd0f PX |
522 | * thread will do the rest for us. Take refcount so that |
523 | * caller won't free the data (which will be finally freed in | |
524 | * responder thread). | |
525 | */ | |
abe3cd0f | 526 | qemu_mutex_lock(&mon->qmp.qmp_queue_lock); |
f5a74a5a | 527 | g_queue_push_tail(mon->qmp.qmp_responses, qobject_ref(data)); |
abe3cd0f PX |
528 | qemu_mutex_unlock(&mon->qmp.qmp_queue_lock); |
529 | qemu_bh_schedule(mon_global.qmp_respond_bh); | |
530 | } else { | |
531 | /* | |
c5f57ed0 | 532 | * If not using monitor I/O thread, then we are in main thread. |
abe3cd0f PX |
533 | * Do the emission right away. |
534 | */ | |
535 | monitor_json_emitter_raw(mon, data); | |
536 | } | |
537 | } | |
538 | ||
539 | struct QMPResponse { | |
540 | Monitor *mon; | |
541 | QObject *data; | |
542 | }; | |
543 | typedef struct QMPResponse QMPResponse; | |
544 | ||
c73a843b PX |
545 | static QObject *monitor_qmp_response_pop_one(Monitor *mon) |
546 | { | |
547 | QObject *data; | |
548 | ||
549 | qemu_mutex_lock(&mon->qmp.qmp_queue_lock); | |
550 | data = g_queue_pop_head(mon->qmp.qmp_responses); | |
551 | qemu_mutex_unlock(&mon->qmp.qmp_queue_lock); | |
552 | ||
553 | return data; | |
554 | } | |
555 | ||
556 | static void monitor_qmp_response_flush(Monitor *mon) | |
557 | { | |
558 | QObject *data; | |
559 | ||
560 | while ((data = monitor_qmp_response_pop_one(mon))) { | |
561 | monitor_json_emitter_raw(mon, data); | |
562 | qobject_unref(data); | |
563 | } | |
564 | } | |
565 | ||
abe3cd0f | 566 | /* |
40687eb7 PX |
567 | * Pop a QMPResponse from any monitor's response queue into @response. |
568 | * Return false if all the queues are empty; else true. | |
abe3cd0f | 569 | */ |
40687eb7 | 570 | static bool monitor_qmp_response_pop_any(QMPResponse *response) |
abe3cd0f PX |
571 | { |
572 | Monitor *mon; | |
573 | QObject *data = NULL; | |
574 | ||
575 | qemu_mutex_lock(&monitor_lock); | |
576 | QTAILQ_FOREACH(mon, &mon_list, entry) { | |
c73a843b | 577 | data = monitor_qmp_response_pop_one(mon); |
abe3cd0f | 578 | if (data) { |
40687eb7 PX |
579 | response->mon = mon; |
580 | response->data = data; | |
abe3cd0f PX |
581 | break; |
582 | } | |
583 | } | |
584 | qemu_mutex_unlock(&monitor_lock); | |
40687eb7 | 585 | return data != NULL; |
abe3cd0f PX |
586 | } |
587 | ||
588 | static void monitor_qmp_bh_responder(void *opaque) | |
589 | { | |
590 | QMPResponse response; | |
591 | ||
40687eb7 | 592 | while (monitor_qmp_response_pop_any(&response)) { |
abe3cd0f | 593 | monitor_json_emitter_raw(response.mon, response.data); |
cb3e7f08 | 594 | qobject_unref(response.data); |
abe3cd0f PX |
595 | } |
596 | } | |
597 | ||
7fb1cf16 | 598 | static MonitorQAPIEventConf monitor_qapi_event_conf[QAPI_EVENT__MAX] = { |
b9b03ab0 MA |
599 | /* Limit guest-triggerable events to 1 per second */ |
600 | [QAPI_EVENT_RTC_CHANGE] = { 1000 * SCALE_MS }, | |
601 | [QAPI_EVENT_WATCHDOG] = { 1000 * SCALE_MS }, | |
602 | [QAPI_EVENT_BALLOON_CHANGE] = { 1000 * SCALE_MS }, | |
603 | [QAPI_EVENT_QUORUM_REPORT_BAD] = { 1000 * SCALE_MS }, | |
604 | [QAPI_EVENT_QUORUM_FAILURE] = { 1000 * SCALE_MS }, | |
605 | [QAPI_EVENT_VSERPORT_CHANGE] = { 1000 * SCALE_MS }, | |
606 | }; | |
607 | ||
afeecec2 | 608 | /* |
43a14cfc | 609 | * Emits the event to every monitor instance, @event is only used for trace |
d622cb58 | 610 | * Called with monitor_lock held. |
afeecec2 | 611 | */ |
688b4b7d | 612 | static void monitor_qapi_event_emit(QAPIEvent event, QDict *qdict) |
afeecec2 DB |
613 | { |
614 | Monitor *mon; | |
615 | ||
688b4b7d | 616 | trace_monitor_protocol_event_emit(event, qdict); |
238d9f34 | 617 | QTAILQ_FOREACH(mon, &mon_list, entry) { |
635db18f MA |
618 | if (monitor_is_qmp(mon) |
619 | && mon->qmp.commands != &qmp_cap_negotiation_commands) { | |
688b4b7d | 620 | monitor_json_emitter(mon, QOBJECT(qdict)); |
afeecec2 DB |
621 | } |
622 | } | |
623 | } | |
624 | ||
a24712af MA |
625 | static void monitor_qapi_event_handler(void *opaque); |
626 | ||
afeecec2 DB |
627 | /* |
628 | * Queue a new event for emission to Monitor instances, | |
629 | * applying any rate limiting if required. | |
630 | */ | |
631 | static void | |
688b4b7d | 632 | monitor_qapi_event_queue(QAPIEvent event, QDict *qdict, Error **errp) |
afeecec2 | 633 | { |
b9b03ab0 | 634 | MonitorQAPIEventConf *evconf; |
43a14cfc | 635 | MonitorQAPIEventState *evstate; |
afeecec2 | 636 | |
7fb1cf16 | 637 | assert(event < QAPI_EVENT__MAX); |
b9b03ab0 | 638 | evconf = &monitor_qapi_event_conf[event]; |
b9b03ab0 | 639 | trace_monitor_protocol_event_queue(event, qdict, evconf->rate); |
afeecec2 | 640 | |
d622cb58 | 641 | qemu_mutex_lock(&monitor_lock); |
93f8f982 | 642 | |
b9b03ab0 | 643 | if (!evconf->rate) { |
93f8f982 | 644 | /* Unthrottled event */ |
688b4b7d | 645 | monitor_qapi_event_emit(event, qdict); |
afeecec2 | 646 | } else { |
7dc847eb | 647 | QDict *data = qobject_to(QDict, qdict_get(qdict, "data")); |
7de0be65 | 648 | MonitorQAPIEventState key = { .event = event, .data = data }; |
a24712af MA |
649 | |
650 | evstate = g_hash_table_lookup(monitor_qapi_event_state, &key); | |
651 | assert(!evstate || timer_pending(evstate->timer)); | |
652 | ||
653 | if (evstate) { | |
93f8f982 | 654 | /* |
b9b03ab0 | 655 | * Timer is pending for (at least) evconf->rate ns after |
93f8f982 MA |
656 | * last send. Store event for sending when timer fires, |
657 | * replacing a prior stored event if any. | |
afeecec2 | 658 | */ |
cb3e7f08 | 659 | qobject_unref(evstate->qdict); |
f5a74a5a | 660 | evstate->qdict = qobject_ref(qdict); |
afeecec2 | 661 | } else { |
93f8f982 | 662 | /* |
b9b03ab0 | 663 | * Last send was (at least) evconf->rate ns ago. |
93f8f982 | 664 | * Send immediately, and arm the timer to call |
b9b03ab0 | 665 | * monitor_qapi_event_handler() in evconf->rate ns. Any |
93f8f982 MA |
666 | * events arriving before then will be delayed until then. |
667 | */ | |
6e8c5f4d | 668 | int64_t now = qemu_clock_get_ns(monitor_get_event_clock()); |
93f8f982 | 669 | |
688b4b7d | 670 | monitor_qapi_event_emit(event, qdict); |
a24712af MA |
671 | |
672 | evstate = g_new(MonitorQAPIEventState, 1); | |
673 | evstate->event = event; | |
f5a74a5a | 674 | evstate->data = qobject_ref(data); |
a24712af | 675 | evstate->qdict = NULL; |
6e8c5f4d | 676 | evstate->timer = timer_new_ns(monitor_get_event_clock(), |
a24712af MA |
677 | monitor_qapi_event_handler, |
678 | evstate); | |
679 | g_hash_table_add(monitor_qapi_event_state, evstate); | |
b9b03ab0 | 680 | timer_mod_ns(evstate->timer, now + evconf->rate); |
afeecec2 DB |
681 | } |
682 | } | |
93f8f982 | 683 | |
d622cb58 | 684 | qemu_mutex_unlock(&monitor_lock); |
afeecec2 DB |
685 | } |
686 | ||
afeecec2 | 687 | /* |
b9b03ab0 | 688 | * This function runs evconf->rate ns after sending a throttled |
93f8f982 MA |
689 | * event. |
690 | * If another event has since been stored, send it. | |
afeecec2 | 691 | */ |
43a14cfc | 692 | static void monitor_qapi_event_handler(void *opaque) |
afeecec2 | 693 | { |
43a14cfc | 694 | MonitorQAPIEventState *evstate = opaque; |
b9b03ab0 | 695 | MonitorQAPIEventConf *evconf = &monitor_qapi_event_conf[evstate->event]; |
afeecec2 | 696 | |
93f8f982 | 697 | trace_monitor_protocol_event_handler(evstate->event, evstate->qdict); |
d622cb58 | 698 | qemu_mutex_lock(&monitor_lock); |
93f8f982 | 699 | |
688b4b7d | 700 | if (evstate->qdict) { |
6e8c5f4d | 701 | int64_t now = qemu_clock_get_ns(monitor_get_event_clock()); |
93f8f982 | 702 | |
688b4b7d | 703 | monitor_qapi_event_emit(evstate->event, evstate->qdict); |
cb3e7f08 | 704 | qobject_unref(evstate->qdict); |
688b4b7d | 705 | evstate->qdict = NULL; |
b9b03ab0 | 706 | timer_mod_ns(evstate->timer, now + evconf->rate); |
a24712af MA |
707 | } else { |
708 | g_hash_table_remove(monitor_qapi_event_state, evstate); | |
cb3e7f08 | 709 | qobject_unref(evstate->data); |
a24712af MA |
710 | timer_free(evstate->timer); |
711 | g_free(evstate); | |
afeecec2 | 712 | } |
93f8f982 | 713 | |
d622cb58 | 714 | qemu_mutex_unlock(&monitor_lock); |
afeecec2 DB |
715 | } |
716 | ||
a24712af | 717 | static unsigned int qapi_event_throttle_hash(const void *key) |
afeecec2 | 718 | { |
a24712af | 719 | const MonitorQAPIEventState *evstate = key; |
7de0be65 | 720 | unsigned int hash = evstate->event * 255; |
afeecec2 | 721 | |
7de0be65 MA |
722 | if (evstate->event == QAPI_EVENT_VSERPORT_CHANGE) { |
723 | hash += g_str_hash(qdict_get_str(evstate->data, "id")); | |
724 | } | |
725 | ||
6d425eb9 AG |
726 | if (evstate->event == QAPI_EVENT_QUORUM_REPORT_BAD) { |
727 | hash += g_str_hash(qdict_get_str(evstate->data, "node-name")); | |
728 | } | |
729 | ||
7de0be65 | 730 | return hash; |
a24712af | 731 | } |
0d1ea871 | 732 | |
a24712af MA |
733 | static gboolean qapi_event_throttle_equal(const void *a, const void *b) |
734 | { | |
735 | const MonitorQAPIEventState *eva = a; | |
736 | const MonitorQAPIEventState *evb = b; | |
737 | ||
7de0be65 MA |
738 | if (eva->event != evb->event) { |
739 | return FALSE; | |
740 | } | |
741 | ||
742 | if (eva->event == QAPI_EVENT_VSERPORT_CHANGE) { | |
743 | return !strcmp(qdict_get_str(eva->data, "id"), | |
744 | qdict_get_str(evb->data, "id")); | |
745 | } | |
746 | ||
6d425eb9 AG |
747 | if (eva->event == QAPI_EVENT_QUORUM_REPORT_BAD) { |
748 | return !strcmp(qdict_get_str(eva->data, "node-name"), | |
749 | qdict_get_str(evb->data, "node-name")); | |
750 | } | |
751 | ||
7de0be65 | 752 | return TRUE; |
a24712af MA |
753 | } |
754 | ||
755 | static void monitor_qapi_event_init(void) | |
756 | { | |
757 | monitor_qapi_event_state = g_hash_table_new(qapi_event_throttle_hash, | |
758 | qapi_event_throttle_equal); | |
43a14cfc | 759 | qmp_event_set_func_emit(monitor_qapi_event_queue); |
0d1ea871 LC |
760 | } |
761 | ||
7ef6cf63 | 762 | static void handle_hmp_command(Monitor *mon, const char *cmdline); |
0268d97c | 763 | |
a5ed3525 PX |
764 | static void monitor_data_init(Monitor *mon, bool skip_flush, |
765 | bool use_io_thr) | |
b01fe89e WX |
766 | { |
767 | memset(mon, 0, sizeof(Monitor)); | |
dc7cbcd8 | 768 | qemu_mutex_init(&mon->mon_lock); |
71da4667 | 769 | qemu_mutex_init(&mon->qmp.qmp_queue_lock); |
b01fe89e | 770 | mon->outbuf = qstring_new(); |
7717239d WX |
771 | /* Use *mon_cmds by default. */ |
772 | mon->cmd_table = mon_cmds; | |
88a95d10 | 773 | mon->skip_flush = skip_flush; |
a5ed3525 | 774 | mon->use_io_thr = use_io_thr; |
71da4667 | 775 | mon->qmp.qmp_requests = g_queue_new(); |
abe3cd0f | 776 | mon->qmp.qmp_responses = g_queue_new(); |
b01fe89e WX |
777 | } |
778 | ||
779 | static void monitor_data_destroy(Monitor *mon) | |
780 | { | |
751f8cfe | 781 | g_free(mon->mon_cpu_path); |
1ce2610c | 782 | qemu_chr_fe_deinit(&mon->chr, false); |
2ef45716 MAL |
783 | if (monitor_is_qmp(mon)) { |
784 | json_message_parser_destroy(&mon->qmp.parser); | |
785 | } | |
e5dc1a6c | 786 | readline_free(mon->rs); |
cb3e7f08 | 787 | qobject_unref(mon->outbuf); |
dc7cbcd8 | 788 | qemu_mutex_destroy(&mon->mon_lock); |
71da4667 | 789 | qemu_mutex_destroy(&mon->qmp.qmp_queue_lock); |
6d2d563f PX |
790 | monitor_qmp_cleanup_req_queue_locked(mon); |
791 | monitor_qmp_cleanup_resp_queue_locked(mon); | |
71da4667 | 792 | g_queue_free(mon->qmp.qmp_requests); |
abe3cd0f | 793 | g_queue_free(mon->qmp.qmp_responses); |
b01fe89e WX |
794 | } |
795 | ||
d51a67b4 LC |
796 | char *qmp_human_monitor_command(const char *command_line, bool has_cpu_index, |
797 | int64_t cpu_index, Error **errp) | |
0268d97c | 798 | { |
d51a67b4 | 799 | char *output = NULL; |
0268d97c | 800 | Monitor *old_mon, hmp; |
0268d97c | 801 | |
a5ed3525 | 802 | monitor_data_init(&hmp, true, false); |
0268d97c LC |
803 | |
804 | old_mon = cur_mon; | |
805 | cur_mon = &hmp; | |
806 | ||
d51a67b4 LC |
807 | if (has_cpu_index) { |
808 | int ret = monitor_set_cpu(cpu_index); | |
0268d97c LC |
809 | if (ret < 0) { |
810 | cur_mon = old_mon; | |
c6bd8c70 MA |
811 | error_setg(errp, QERR_INVALID_PARAMETER_VALUE, "cpu-index", |
812 | "a CPU number"); | |
0268d97c LC |
813 | goto out; |
814 | } | |
815 | } | |
816 | ||
7ef6cf63 | 817 | handle_hmp_command(&hmp, command_line); |
0268d97c LC |
818 | cur_mon = old_mon; |
819 | ||
dc7cbcd8 | 820 | qemu_mutex_lock(&hmp.mon_lock); |
48c043d0 LC |
821 | if (qstring_get_length(hmp.outbuf) > 0) { |
822 | output = g_strdup(qstring_get_str(hmp.outbuf)); | |
d51a67b4 LC |
823 | } else { |
824 | output = g_strdup(""); | |
0268d97c | 825 | } |
dc7cbcd8 | 826 | qemu_mutex_unlock(&hmp.mon_lock); |
0268d97c LC |
827 | |
828 | out: | |
b01fe89e | 829 | monitor_data_destroy(&hmp); |
d51a67b4 | 830 | return output; |
0268d97c LC |
831 | } |
832 | ||
9dc39cba FB |
833 | static int compare_cmd(const char *name, const char *list) |
834 | { | |
835 | const char *p, *pstart; | |
836 | int len; | |
837 | len = strlen(name); | |
838 | p = list; | |
839 | for(;;) { | |
840 | pstart = p; | |
5c99fa37 | 841 | p = qemu_strchrnul(p, '|'); |
9dc39cba FB |
842 | if ((p - pstart) == len && !memcmp(pstart, name, len)) |
843 | return 1; | |
844 | if (*p == '\0') | |
845 | break; | |
846 | p++; | |
847 | } | |
848 | return 0; | |
849 | } | |
850 | ||
f5438c05 WX |
851 | static int get_str(char *buf, int buf_size, const char **pp) |
852 | { | |
853 | const char *p; | |
854 | char *q; | |
855 | int c; | |
856 | ||
857 | q = buf; | |
858 | p = *pp; | |
859 | while (qemu_isspace(*p)) { | |
860 | p++; | |
861 | } | |
862 | if (*p == '\0') { | |
863 | fail: | |
864 | *q = '\0'; | |
865 | *pp = p; | |
866 | return -1; | |
867 | } | |
868 | if (*p == '\"') { | |
869 | p++; | |
870 | while (*p != '\0' && *p != '\"') { | |
871 | if (*p == '\\') { | |
872 | p++; | |
873 | c = *p++; | |
874 | switch (c) { | |
875 | case 'n': | |
876 | c = '\n'; | |
877 | break; | |
878 | case 'r': | |
879 | c = '\r'; | |
880 | break; | |
881 | case '\\': | |
882 | case '\'': | |
883 | case '\"': | |
884 | break; | |
885 | default: | |
71baf787 | 886 | printf("unsupported escape code: '\\%c'\n", c); |
f5438c05 WX |
887 | goto fail; |
888 | } | |
889 | if ((q - buf) < buf_size - 1) { | |
890 | *q++ = c; | |
891 | } | |
892 | } else { | |
893 | if ((q - buf) < buf_size - 1) { | |
894 | *q++ = *p; | |
895 | } | |
896 | p++; | |
897 | } | |
898 | } | |
899 | if (*p != '\"') { | |
71baf787 | 900 | printf("unterminated string\n"); |
f5438c05 WX |
901 | goto fail; |
902 | } | |
903 | p++; | |
904 | } else { | |
905 | while (*p != '\0' && !qemu_isspace(*p)) { | |
906 | if ((q - buf) < buf_size - 1) { | |
907 | *q++ = *p; | |
908 | } | |
909 | p++; | |
910 | } | |
911 | } | |
912 | *q = '\0'; | |
913 | *pp = p; | |
914 | return 0; | |
915 | } | |
916 | ||
917 | #define MAX_ARGS 16 | |
918 | ||
dcc70cdf WX |
919 | static void free_cmdline_args(char **args, int nb_args) |
920 | { | |
921 | int i; | |
922 | ||
923 | assert(nb_args <= MAX_ARGS); | |
924 | ||
925 | for (i = 0; i < nb_args; i++) { | |
926 | g_free(args[i]); | |
927 | } | |
928 | ||
929 | } | |
930 | ||
931 | /* | |
932 | * Parse the command line to get valid args. | |
933 | * @cmdline: command line to be parsed. | |
934 | * @pnb_args: location to store the number of args, must NOT be NULL. | |
935 | * @args: location to store the args, which should be freed by caller, must | |
936 | * NOT be NULL. | |
937 | * | |
938 | * Returns 0 on success, negative on failure. | |
939 | * | |
940 | * NOTE: this parser is an approximate form of the real command parser. Number | |
941 | * of args have a limit of MAX_ARGS. If cmdline contains more, it will | |
942 | * return with failure. | |
943 | */ | |
944 | static int parse_cmdline(const char *cmdline, | |
945 | int *pnb_args, char **args) | |
f5438c05 WX |
946 | { |
947 | const char *p; | |
948 | int nb_args, ret; | |
949 | char buf[1024]; | |
950 | ||
951 | p = cmdline; | |
952 | nb_args = 0; | |
953 | for (;;) { | |
954 | while (qemu_isspace(*p)) { | |
955 | p++; | |
956 | } | |
957 | if (*p == '\0') { | |
958 | break; | |
959 | } | |
960 | if (nb_args >= MAX_ARGS) { | |
dcc70cdf | 961 | goto fail; |
f5438c05 WX |
962 | } |
963 | ret = get_str(buf, sizeof(buf), &p); | |
f5438c05 | 964 | if (ret < 0) { |
dcc70cdf | 965 | goto fail; |
f5438c05 | 966 | } |
dcc70cdf WX |
967 | args[nb_args] = g_strdup(buf); |
968 | nb_args++; | |
f5438c05 WX |
969 | } |
970 | *pnb_args = nb_args; | |
dcc70cdf WX |
971 | return 0; |
972 | ||
973 | fail: | |
974 | free_cmdline_args(args, nb_args); | |
975 | return -1; | |
f5438c05 WX |
976 | } |
977 | ||
c3120f71 DDAG |
978 | /* |
979 | * Returns true if the command can be executed in preconfig mode | |
980 | * i.e. it has the 'p' flag. | |
981 | */ | |
982 | static bool cmd_can_preconfig(const mon_cmd_t *cmd) | |
983 | { | |
984 | if (!cmd->flags) { | |
985 | return false; | |
986 | } | |
987 | ||
988 | return strchr(cmd->flags, 'p'); | |
989 | } | |
990 | ||
66855495 WX |
991 | static void help_cmd_dump_one(Monitor *mon, |
992 | const mon_cmd_t *cmd, | |
993 | char **prefix_args, | |
994 | int prefix_args_nb) | |
995 | { | |
996 | int i; | |
997 | ||
31785f1b DDAG |
998 | if (runstate_check(RUN_STATE_PRECONFIG) && !cmd_can_preconfig(cmd)) { |
999 | return; | |
1000 | } | |
1001 | ||
66855495 WX |
1002 | for (i = 0; i < prefix_args_nb; i++) { |
1003 | monitor_printf(mon, "%s ", prefix_args[i]); | |
1004 | } | |
1005 | monitor_printf(mon, "%s %s -- %s\n", cmd->name, cmd->params, cmd->help); | |
1006 | } | |
1007 | ||
1008 | /* @args[@arg_index] is the valid command need to find in @cmds */ | |
c227f099 | 1009 | static void help_cmd_dump(Monitor *mon, const mon_cmd_t *cmds, |
66855495 | 1010 | char **args, int nb_args, int arg_index) |
9dc39cba | 1011 | { |
c227f099 | 1012 | const mon_cmd_t *cmd; |
9dc39cba | 1013 | |
66855495 WX |
1014 | /* No valid arg need to compare with, dump all in *cmds */ |
1015 | if (arg_index >= nb_args) { | |
1016 | for (cmd = cmds; cmd->name != NULL; cmd++) { | |
1017 | help_cmd_dump_one(mon, cmd, args, arg_index); | |
1018 | } | |
1019 | return; | |
1020 | } | |
1021 | ||
1022 | /* Find one entry to dump */ | |
1023 | for (cmd = cmds; cmd->name != NULL; cmd++) { | |
31785f1b DDAG |
1024 | if (compare_cmd(args[arg_index], cmd->name) && |
1025 | ((!runstate_check(RUN_STATE_PRECONFIG) || | |
1026 | cmd_can_preconfig(cmd)))) { | |
66855495 WX |
1027 | if (cmd->sub_table) { |
1028 | /* continue with next arg */ | |
1029 | help_cmd_dump(mon, cmd->sub_table, | |
1030 | args, nb_args, arg_index + 1); | |
1031 | } else { | |
1032 | help_cmd_dump_one(mon, cmd, args, arg_index); | |
1033 | } | |
1034 | break; | |
1035 | } | |
9dc39cba FB |
1036 | } |
1037 | } | |
1038 | ||
376253ec | 1039 | static void help_cmd(Monitor *mon, const char *name) |
9dc39cba | 1040 | { |
66855495 WX |
1041 | char *args[MAX_ARGS]; |
1042 | int nb_args = 0; | |
1043 | ||
1044 | /* 1. parse user input */ | |
1045 | if (name) { | |
1046 | /* special case for log, directly dump and return */ | |
1047 | if (!strcmp(name, "log")) { | |
38dad9e5 | 1048 | const QEMULogItem *item; |
376253ec AL |
1049 | monitor_printf(mon, "Log items (comma separated):\n"); |
1050 | monitor_printf(mon, "%-10s %s\n", "none", "remove all logs"); | |
38dad9e5 | 1051 | for (item = qemu_log_items; item->mask != 0; item++) { |
376253ec | 1052 | monitor_printf(mon, "%-10s %s\n", item->name, item->help); |
f193c797 | 1053 | } |
66855495 WX |
1054 | return; |
1055 | } | |
1056 | ||
1057 | if (parse_cmdline(name, &nb_args, args) < 0) { | |
1058 | return; | |
f193c797 | 1059 | } |
9dc39cba | 1060 | } |
66855495 WX |
1061 | |
1062 | /* 2. dump the contents according to parsed args */ | |
1063 | help_cmd_dump(mon, mon->cmd_table, args, nb_args, 0); | |
1064 | ||
1065 | free_cmdline_args(args, nb_args); | |
9dc39cba FB |
1066 | } |
1067 | ||
d54908a5 | 1068 | static void do_help_cmd(Monitor *mon, const QDict *qdict) |
38183186 | 1069 | { |
d54908a5 | 1070 | help_cmd(mon, qdict_get_try_str(qdict, "name")); |
38183186 LC |
1071 | } |
1072 | ||
3e5a50d6 | 1073 | static void hmp_trace_event(Monitor *mon, const QDict *qdict) |
22890ab5 PS |
1074 | { |
1075 | const char *tp_name = qdict_get_str(qdict, "name"); | |
1076 | bool new_state = qdict_get_bool(qdict, "option"); | |
77e2b172 LV |
1077 | bool has_vcpu = qdict_haskey(qdict, "vcpu"); |
1078 | int vcpu = qdict_get_try_int(qdict, "vcpu", 0); | |
14101d02 | 1079 | Error *local_err = NULL; |
f871d689 | 1080 | |
77e2b172 LV |
1081 | if (vcpu < 0) { |
1082 | monitor_printf(mon, "argument vcpu must be positive"); | |
1083 | return; | |
1084 | } | |
1085 | ||
1086 | qmp_trace_event_set_state(tp_name, new_state, true, true, has_vcpu, vcpu, &local_err); | |
14101d02 | 1087 | if (local_err) { |
091e38b7 | 1088 | error_report_err(local_err); |
f871d689 | 1089 | } |
22890ab5 | 1090 | } |
c5ceb523 | 1091 | |
c45a8168 | 1092 | #ifdef CONFIG_TRACE_SIMPLE |
3e5a50d6 | 1093 | static void hmp_trace_file(Monitor *mon, const QDict *qdict) |
c5ceb523 SH |
1094 | { |
1095 | const char *op = qdict_get_try_str(qdict, "op"); | |
1096 | const char *arg = qdict_get_try_str(qdict, "arg"); | |
1097 | ||
1098 | if (!op) { | |
1099 | st_print_trace_file_status((FILE *)mon, &monitor_fprintf); | |
1100 | } else if (!strcmp(op, "on")) { | |
1101 | st_set_trace_file_enabled(true); | |
1102 | } else if (!strcmp(op, "off")) { | |
1103 | st_set_trace_file_enabled(false); | |
1104 | } else if (!strcmp(op, "flush")) { | |
1105 | st_flush_trace_buffer(); | |
1106 | } else if (!strcmp(op, "set")) { | |
1107 | if (arg) { | |
1108 | st_set_trace_file(arg); | |
1109 | } | |
1110 | } else { | |
1111 | monitor_printf(mon, "unexpected argument \"%s\"\n", op); | |
1112 | help_cmd(mon, "trace-file"); | |
1113 | } | |
1114 | } | |
22890ab5 PS |
1115 | #endif |
1116 | ||
3e5a50d6 | 1117 | static void hmp_info_help(Monitor *mon, const QDict *qdict) |
9dc39cba | 1118 | { |
13c7425e | 1119 | help_cmd(mon, "info"); |
9dc39cba FB |
1120 | } |
1121 | ||
9e812b6a | 1122 | static void query_commands_cb(QmpCommand *cmd, void *opaque) |
e3bba9d0 | 1123 | { |
9e812b6a | 1124 | CommandInfoList *info, **list = opaque; |
e3bba9d0 | 1125 | |
9e812b6a MAL |
1126 | if (!cmd->enabled) { |
1127 | return; | |
e3bba9d0 LC |
1128 | } |
1129 | ||
9e812b6a MAL |
1130 | info = g_malloc0(sizeof(*info)); |
1131 | info->value = g_malloc0(sizeof(*info->value)); | |
1132 | info->value->name = g_strdup(cmd->name); | |
1133 | info->next = *list; | |
1134 | *list = info; | |
1135 | } | |
1136 | ||
1137 | CommandInfoList *qmp_query_commands(Error **errp) | |
1138 | { | |
1139 | CommandInfoList *list = NULL; | |
1140 | ||
635db18f | 1141 | qmp_for_each_command(cur_mon->qmp.commands, query_commands_cb, &list); |
9e812b6a MAL |
1142 | |
1143 | return list; | |
a36e69dd TS |
1144 | } |
1145 | ||
4860853d DB |
1146 | EventInfoList *qmp_query_events(Error **errp) |
1147 | { | |
1148 | EventInfoList *info, *ev_list = NULL; | |
75175173 | 1149 | QAPIEvent e; |
4860853d | 1150 | |
7fb1cf16 | 1151 | for (e = 0 ; e < QAPI_EVENT__MAX ; e++) { |
977c736f | 1152 | const char *event_name = QAPIEvent_str(e); |
4860853d DB |
1153 | assert(event_name != NULL); |
1154 | info = g_malloc0(sizeof(*info)); | |
1155 | info->value = g_malloc0(sizeof(*info->value)); | |
1156 | info->value->name = g_strdup(event_name); | |
1157 | ||
1158 | info->next = ev_list; | |
1159 | ev_list = info; | |
1160 | } | |
1161 | ||
1162 | return ev_list; | |
1163 | } | |
1164 | ||
39a18158 MA |
1165 | /* |
1166 | * Minor hack: generated marshalling suppressed for this command | |
1167 | * ('gen': false in the schema) so we can parse the JSON string | |
1168 | * directly into QObject instead of first parsing it with | |
1169 | * visit_type_SchemaInfoList() into a SchemaInfoList, then marshal it | |
1170 | * to QObject with generated output marshallers, every time. Instead, | |
b3db211f | 1171 | * we do it in test-qobject-input-visitor.c, just to make sure |
fb0bc835 | 1172 | * qapi-gen.py's output actually conforms to the schema. |
39a18158 MA |
1173 | */ |
1174 | static void qmp_query_qmp_schema(QDict *qdict, QObject **ret_data, | |
1175 | Error **errp) | |
1176 | { | |
7d0f982b | 1177 | *ret_data = qobject_from_qlit(&qmp_schema_qlit); |
39a18158 MA |
1178 | } |
1179 | ||
5032a16d | 1180 | /* |
5032a16d MAL |
1181 | * We used to define commands in qmp-commands.hx in addition to the |
1182 | * QAPI schema. This permitted defining some of them only in certain | |
1183 | * configurations. query-commands has always reflected that (good, | |
1184 | * because it lets QMP clients figure out what's actually available), | |
1185 | * while query-qmp-schema never did (not so good). This function is a | |
1186 | * hack to keep the configuration-specific commands defined exactly as | |
1187 | * before, even though qmp-commands.hx is gone. | |
1188 | * | |
1189 | * FIXME Educate the QAPI schema on configuration-specific commands, | |
1190 | * and drop this hack. | |
1191 | */ | |
1192 | static void qmp_unregister_commands_hack(void) | |
1193 | { | |
1194 | #ifndef CONFIG_SPICE | |
1527badb | 1195 | qmp_unregister_command(&qmp_commands, "query-spice"); |
5032a16d | 1196 | #endif |
38bb54f3 MA |
1197 | #ifndef CONFIG_REPLICATION |
1198 | qmp_unregister_command(&qmp_commands, "xen-set-replication"); | |
1199 | qmp_unregister_command(&qmp_commands, "query-xen-replication-status"); | |
1200 | qmp_unregister_command(&qmp_commands, "xen-colo-do-checkpoint"); | |
1201 | #endif | |
5032a16d | 1202 | #ifndef TARGET_I386 |
1527badb | 1203 | qmp_unregister_command(&qmp_commands, "rtc-reset-reinjection"); |
08a161fd | 1204 | qmp_unregister_command(&qmp_commands, "query-sev"); |
1b6a034f | 1205 | qmp_unregister_command(&qmp_commands, "query-sev-launch-measure"); |
31dd67f6 | 1206 | qmp_unregister_command(&qmp_commands, "query-sev-capabilities"); |
5032a16d MAL |
1207 | #endif |
1208 | #ifndef TARGET_S390X | |
1527badb | 1209 | qmp_unregister_command(&qmp_commands, "dump-skeys"); |
5032a16d MAL |
1210 | #endif |
1211 | #ifndef TARGET_ARM | |
1527badb | 1212 | qmp_unregister_command(&qmp_commands, "query-gic-capabilities"); |
5032a16d | 1213 | #endif |
f99fd7ca | 1214 | #if !defined(TARGET_S390X) && !defined(TARGET_I386) |
1527badb | 1215 | qmp_unregister_command(&qmp_commands, "query-cpu-model-expansion"); |
f99fd7ca EH |
1216 | #endif |
1217 | #if !defined(TARGET_S390X) | |
1527badb MA |
1218 | qmp_unregister_command(&qmp_commands, "query-cpu-model-baseline"); |
1219 | qmp_unregister_command(&qmp_commands, "query-cpu-model-comparison"); | |
728b1429 EH |
1220 | #endif |
1221 | #if !defined(TARGET_PPC) && !defined(TARGET_ARM) && !defined(TARGET_I386) \ | |
1222 | && !defined(TARGET_S390X) | |
1527badb | 1223 | qmp_unregister_command(&qmp_commands, "query-cpu-definitions"); |
728b1429 | 1224 | #endif |
5032a16d MAL |
1225 | } |
1226 | ||
6adf08dd | 1227 | static void monitor_init_qmp_commands(void) |
edcfaefe | 1228 | { |
635db18f MA |
1229 | /* |
1230 | * Two command lists: | |
1231 | * - qmp_commands contains all QMP commands | |
1232 | * - qmp_cap_negotiation_commands contains just | |
1233 | * "qmp_capabilities", to enforce capability negotiation | |
1234 | */ | |
1235 | ||
1527badb | 1236 | qmp_init_marshal(&qmp_commands); |
05875687 | 1237 | |
1527badb | 1238 | qmp_register_command(&qmp_commands, "query-qmp-schema", |
d6fe3d02 | 1239 | qmp_query_qmp_schema, QCO_ALLOW_PRECONFIG); |
1527badb | 1240 | qmp_register_command(&qmp_commands, "device_add", qmp_device_add, |
edcfaefe | 1241 | QCO_NO_OPTIONS); |
1527badb | 1242 | qmp_register_command(&qmp_commands, "netdev_add", qmp_netdev_add, |
edcfaefe | 1243 | QCO_NO_OPTIONS); |
5032a16d | 1244 | |
05875687 | 1245 | qmp_unregister_commands_hack(); |
635db18f MA |
1246 | |
1247 | QTAILQ_INIT(&qmp_cap_negotiation_commands); | |
1248 | qmp_register_command(&qmp_cap_negotiation_commands, "qmp_capabilities", | |
d6fe3d02 | 1249 | qmp_marshal_qmp_capabilities, QCO_ALLOW_PRECONFIG); |
635db18f MA |
1250 | } |
1251 | ||
71da4667 PX |
1252 | static bool qmp_cap_enabled(Monitor *mon, QMPCapability cap) |
1253 | { | |
1254 | return mon->qmp.qmp_caps[cap]; | |
1255 | } | |
1256 | ||
1257 | static bool qmp_oob_enabled(Monitor *mon) | |
1258 | { | |
1259 | return qmp_cap_enabled(mon, QMP_CAPABILITY_OOB); | |
1260 | } | |
1261 | ||
02130314 PX |
1262 | static void qmp_caps_check(Monitor *mon, QMPCapabilityList *list, |
1263 | Error **errp) | |
1264 | { | |
1265 | for (; list; list = list->next) { | |
1266 | assert(list->value < QMP_CAPABILITY__MAX); | |
1267 | switch (list->value) { | |
1268 | case QMP_CAPABILITY_OOB: | |
1269 | if (!mon->use_io_thr) { | |
1270 | /* | |
c0698212 | 1271 | * Out-of-band only works with monitors that are |
c5f57ed0 | 1272 | * running on dedicated I/O thread. |
02130314 PX |
1273 | */ |
1274 | error_setg(errp, "This monitor does not support " | |
c0698212 | 1275 | "out-of-band (OOB)"); |
02130314 PX |
1276 | return; |
1277 | } | |
1278 | break; | |
1279 | default: | |
1280 | break; | |
1281 | } | |
1282 | } | |
1283 | } | |
1284 | ||
1285 | /* This function should only be called after capabilities are checked. */ | |
1286 | static void qmp_caps_apply(Monitor *mon, QMPCapabilityList *list) | |
635db18f | 1287 | { |
02130314 PX |
1288 | for (; list; list = list->next) { |
1289 | mon->qmp.qmp_caps[list->value] = true; | |
1290 | } | |
1291 | } | |
1292 | ||
cf869d53 PX |
1293 | /* |
1294 | * Return true if check successful, or false otherwise. When false is | |
1295 | * returned, detailed error will be in errp if provided. | |
1296 | */ | |
1297 | static bool qmp_cmd_oob_check(Monitor *mon, QDict *req, Error **errp) | |
1298 | { | |
1299 | const char *command; | |
1300 | QmpCommand *cmd; | |
1301 | ||
1302 | command = qdict_get_try_str(req, "execute"); | |
00ecec15 MA |
1303 | if (!command) { |
1304 | command = qdict_get_try_str(req, "exec-oob"); | |
1305 | } | |
cf869d53 PX |
1306 | if (!command) { |
1307 | error_setg(errp, "Command field 'execute' missing"); | |
1308 | return false; | |
1309 | } | |
1310 | ||
1311 | cmd = qmp_find_command(mon->qmp.commands, command); | |
1312 | if (!cmd) { | |
9ddb7456 PX |
1313 | if (mon->qmp.commands == &qmp_cap_negotiation_commands) { |
1314 | error_set(errp, ERROR_CLASS_COMMAND_NOT_FOUND, | |
1315 | "Expecting capabilities negotiation " | |
1316 | "with 'qmp_capabilities'"); | |
1317 | } else { | |
1318 | error_set(errp, ERROR_CLASS_COMMAND_NOT_FOUND, | |
1319 | "The command %s has not been found", command); | |
1320 | } | |
cf869d53 PX |
1321 | return false; |
1322 | } | |
1323 | ||
1324 | if (qmp_is_oob(req)) { | |
cf869d53 PX |
1325 | if (!(cmd->options & QCO_ALLOW_OOB)) { |
1326 | error_setg(errp, "The command %s does not support OOB", | |
1327 | command); | |
1328 | return false; | |
1329 | } | |
1330 | } | |
1331 | ||
1332 | return true; | |
1333 | } | |
1334 | ||
02130314 PX |
1335 | void qmp_qmp_capabilities(bool has_enable, QMPCapabilityList *enable, |
1336 | Error **errp) | |
1337 | { | |
1338 | Error *local_err = NULL; | |
1339 | ||
635db18f MA |
1340 | if (cur_mon->qmp.commands == &qmp_commands) { |
1341 | error_set(errp, ERROR_CLASS_COMMAND_NOT_FOUND, | |
1342 | "Capabilities negotiation is already complete, command " | |
1343 | "ignored"); | |
1344 | return; | |
1345 | } | |
1346 | ||
02130314 PX |
1347 | /* Enable QMP capabilities provided by the client if applicable. */ |
1348 | if (has_enable) { | |
1349 | qmp_caps_check(cur_mon, enable, &local_err); | |
1350 | if (local_err) { | |
1351 | /* | |
1352 | * Failed check on any of the capabilities will fail the | |
1353 | * entire command (and thus not apply any of the other | |
1354 | * capabilities that were also requested). | |
1355 | */ | |
1356 | error_propagate(errp, local_err); | |
1357 | return; | |
1358 | } | |
1359 | qmp_caps_apply(cur_mon, enable); | |
1360 | } | |
1361 | ||
635db18f | 1362 | cur_mon->qmp.commands = &qmp_commands; |
edcfaefe MAL |
1363 | } |
1364 | ||
d9f25280 | 1365 | /* Set the current CPU defined by the user. Callers must hold BQL. */ |
b025c8b4 | 1366 | int monitor_set_cpu(int cpu_index) |
6a00d601 | 1367 | { |
55e5c285 | 1368 | CPUState *cpu; |
6a00d601 | 1369 | |
1c8bb3cc AF |
1370 | cpu = qemu_get_cpu(cpu_index); |
1371 | if (cpu == NULL) { | |
1372 | return -1; | |
6a00d601 | 1373 | } |
751f8cfe GK |
1374 | g_free(cur_mon->mon_cpu_path); |
1375 | cur_mon->mon_cpu_path = object_get_canonical_path(OBJECT(cpu)); | |
1c8bb3cc | 1376 | return 0; |
6a00d601 FB |
1377 | } |
1378 | ||
d9f25280 | 1379 | /* Callers must hold BQL. */ |
137b5cb6 | 1380 | static CPUState *mon_get_cpu_sync(bool synchronize) |
6a00d601 | 1381 | { |
751f8cfe GK |
1382 | CPUState *cpu; |
1383 | ||
1384 | if (cur_mon->mon_cpu_path) { | |
1385 | cpu = (CPUState *) object_resolve_path_type(cur_mon->mon_cpu_path, | |
1386 | TYPE_CPU, NULL); | |
1387 | if (!cpu) { | |
1388 | g_free(cur_mon->mon_cpu_path); | |
1389 | cur_mon->mon_cpu_path = NULL; | |
1390 | } | |
1391 | } | |
1392 | if (!cur_mon->mon_cpu_path) { | |
854e67fe TH |
1393 | if (!first_cpu) { |
1394 | return NULL; | |
1395 | } | |
27a83f8e | 1396 | monitor_set_cpu(first_cpu->cpu_index); |
751f8cfe | 1397 | cpu = first_cpu; |
6a00d601 | 1398 | } |
137b5cb6 VM |
1399 | if (synchronize) { |
1400 | cpu_synchronize_state(cpu); | |
1401 | } | |
751f8cfe | 1402 | return cpu; |
5bcda5f7 PC |
1403 | } |
1404 | ||
137b5cb6 VM |
1405 | CPUState *mon_get_cpu(void) |
1406 | { | |
1407 | return mon_get_cpu_sync(true); | |
1408 | } | |
1409 | ||
bf957284 | 1410 | CPUArchState *mon_get_cpu_env(void) |
5bcda5f7 | 1411 | { |
854e67fe TH |
1412 | CPUState *cs = mon_get_cpu(); |
1413 | ||
1414 | return cs ? cs->env_ptr : NULL; | |
6a00d601 FB |
1415 | } |
1416 | ||
99b7796f LC |
1417 | int monitor_get_cpu_index(void) |
1418 | { | |
137b5cb6 | 1419 | CPUState *cs = mon_get_cpu_sync(false); |
854e67fe TH |
1420 | |
1421 | return cs ? cs->cpu_index : UNASSIGNED_CPU_INDEX; | |
99b7796f LC |
1422 | } |
1423 | ||
1ce6be24 | 1424 | static void hmp_info_registers(Monitor *mon, const QDict *qdict) |
9307c4c1 | 1425 | { |
18f08282 SJS |
1426 | bool all_cpus = qdict_get_try_bool(qdict, "cpustate_all", false); |
1427 | CPUState *cs; | |
854e67fe | 1428 | |
18f08282 SJS |
1429 | if (all_cpus) { |
1430 | CPU_FOREACH(cs) { | |
1431 | monitor_printf(mon, "\nCPU#%d\n", cs->cpu_index); | |
1432 | cpu_dump_state(cs, (FILE *)mon, monitor_fprintf, CPU_DUMP_FPU); | |
1433 | } | |
1434 | } else { | |
1435 | cs = mon_get_cpu(); | |
1436 | ||
1437 | if (!cs) { | |
1438 | monitor_printf(mon, "No CPU available\n"); | |
1439 | return; | |
1440 | } | |
1441 | ||
1442 | cpu_dump_state(cs, (FILE *)mon, monitor_fprintf, CPU_DUMP_FPU); | |
854e67fe | 1443 | } |
9307c4c1 FB |
1444 | } |
1445 | ||
f0d14a95 | 1446 | #ifdef CONFIG_TCG |
1ce6be24 | 1447 | static void hmp_info_jit(Monitor *mon, const QDict *qdict) |
e3db7226 | 1448 | { |
b7da97ee TH |
1449 | if (!tcg_enabled()) { |
1450 | error_report("JIT information is only available with accel=tcg"); | |
1451 | return; | |
1452 | } | |
1453 | ||
376253ec | 1454 | dump_exec_info((FILE *)mon, monitor_fprintf); |
27498bef | 1455 | dump_drift_info((FILE *)mon, monitor_fprintf); |
e3db7226 FB |
1456 | } |
1457 | ||
1ce6be24 | 1458 | static void hmp_info_opcount(Monitor *mon, const QDict *qdict) |
246ae24d MF |
1459 | { |
1460 | dump_opcount_info((FILE *)mon, monitor_fprintf); | |
1461 | } | |
f0d14a95 | 1462 | #endif |
246ae24d | 1463 | |
1ce6be24 | 1464 | static void hmp_info_history(Monitor *mon, const QDict *qdict) |
aa455485 FB |
1465 | { |
1466 | int i; | |
7e2515e8 | 1467 | const char *str; |
3b46e624 | 1468 | |
cde76ee1 AL |
1469 | if (!mon->rs) |
1470 | return; | |
7e2515e8 FB |
1471 | i = 0; |
1472 | for(;;) { | |
731b0364 | 1473 | str = readline_get_history(mon->rs, i); |
7e2515e8 FB |
1474 | if (!str) |
1475 | break; | |
376253ec | 1476 | monitor_printf(mon, "%d: '%s'\n", i, str); |
8e3a9fd2 | 1477 | i++; |
aa455485 FB |
1478 | } |
1479 | } | |
1480 | ||
1ce6be24 | 1481 | static void hmp_info_cpustats(Monitor *mon, const QDict *qdict) |
76a66253 | 1482 | { |
854e67fe TH |
1483 | CPUState *cs = mon_get_cpu(); |
1484 | ||
1485 | if (!cs) { | |
1486 | monitor_printf(mon, "No CPU available\n"); | |
1487 | return; | |
1488 | } | |
1489 | cpu_dump_statistics(cs, (FILE *)mon, &monitor_fprintf, 0); | |
76a66253 | 1490 | } |
76a66253 | 1491 | |
1ce6be24 | 1492 | static void hmp_info_trace_events(Monitor *mon, const QDict *qdict) |
22890ab5 | 1493 | { |
bd71211d | 1494 | const char *name = qdict_get_try_str(qdict, "name"); |
77e2b172 LV |
1495 | bool has_vcpu = qdict_haskey(qdict, "vcpu"); |
1496 | int vcpu = qdict_get_try_int(qdict, "vcpu", 0); | |
bd71211d | 1497 | TraceEventInfoList *events; |
14101d02 | 1498 | TraceEventInfoList *elem; |
bd71211d LV |
1499 | Error *local_err = NULL; |
1500 | ||
1501 | if (name == NULL) { | |
1502 | name = "*"; | |
1503 | } | |
77e2b172 LV |
1504 | if (vcpu < 0) { |
1505 | monitor_printf(mon, "argument vcpu must be positive"); | |
1506 | return; | |
1507 | } | |
bd71211d | 1508 | |
77e2b172 | 1509 | events = qmp_trace_event_get_state(name, has_vcpu, vcpu, &local_err); |
bd71211d LV |
1510 | if (local_err) { |
1511 | error_report_err(local_err); | |
1512 | return; | |
1513 | } | |
14101d02 LV |
1514 | |
1515 | for (elem = events; elem != NULL; elem = elem->next) { | |
1516 | monitor_printf(mon, "%s : state %u\n", | |
1517 | elem->value->name, | |
1518 | elem->value->state == TRACE_EVENT_STATE_ENABLED ? 1 : 0); | |
1519 | } | |
1520 | qapi_free_TraceEventInfoList(events); | |
22890ab5 | 1521 | } |
22890ab5 | 1522 | |
b8a185bc MA |
1523 | void qmp_client_migrate_info(const char *protocol, const char *hostname, |
1524 | bool has_port, int64_t port, | |
1525 | bool has_tls_port, int64_t tls_port, | |
1526 | bool has_cert_subject, const char *cert_subject, | |
1527 | Error **errp) | |
e866e239 | 1528 | { |
e866e239 | 1529 | if (strcmp(protocol, "spice") == 0) { |
b8a185bc MA |
1530 | if (!qemu_using_spice(errp)) { |
1531 | return; | |
e866e239 GH |
1532 | } |
1533 | ||
b8a185bc | 1534 | if (!has_port && !has_tls_port) { |
c6bd8c70 | 1535 | error_setg(errp, QERR_MISSING_PARAMETER, "port/tls-port"); |
b8a185bc | 1536 | return; |
6ec5dae5 YH |
1537 | } |
1538 | ||
b8a185bc MA |
1539 | if (qemu_spice_migrate_info(hostname, |
1540 | has_port ? port : -1, | |
1541 | has_tls_port ? tls_port : -1, | |
1542 | cert_subject)) { | |
c6bd8c70 | 1543 | error_setg(errp, QERR_UNDEFINED_ERROR); |
b8a185bc | 1544 | return; |
e866e239 | 1545 | } |
b8a185bc | 1546 | return; |
e866e239 GH |
1547 | } |
1548 | ||
c6bd8c70 | 1549 | error_setg(errp, QERR_INVALID_PARAMETER_VALUE, "protocol", "spice"); |
e866e239 GH |
1550 | } |
1551 | ||
3e5a50d6 | 1552 | static void hmp_logfile(Monitor *mon, const QDict *qdict) |
e735b91c | 1553 | { |
daa76aa4 MA |
1554 | Error *err = NULL; |
1555 | ||
1556 | qemu_set_log_filename(qdict_get_str(qdict, "filename"), &err); | |
1557 | if (err) { | |
1558 | error_report_err(err); | |
1559 | } | |
e735b91c PB |
1560 | } |
1561 | ||
3e5a50d6 | 1562 | static void hmp_log(Monitor *mon, const QDict *qdict) |
f193c797 FB |
1563 | { |
1564 | int mask; | |
d54908a5 | 1565 | const char *items = qdict_get_str(qdict, "items"); |
3b46e624 | 1566 | |
9307c4c1 | 1567 | if (!strcmp(items, "none")) { |
f193c797 FB |
1568 | mask = 0; |
1569 | } else { | |
4fde1eba | 1570 | mask = qemu_str_to_log_mask(items); |
f193c797 | 1571 | if (!mask) { |
376253ec | 1572 | help_cmd(mon, "log"); |
f193c797 FB |
1573 | return; |
1574 | } | |
1575 | } | |
24537a01 | 1576 | qemu_set_log(mask); |
f193c797 FB |
1577 | } |
1578 | ||
3e5a50d6 | 1579 | static void hmp_singlestep(Monitor *mon, const QDict *qdict) |
1b530a6d | 1580 | { |
d54908a5 | 1581 | const char *option = qdict_get_try_str(qdict, "option"); |
1b530a6d AJ |
1582 | if (!option || !strcmp(option, "on")) { |
1583 | singlestep = 1; | |
1584 | } else if (!strcmp(option, "off")) { | |
1585 | singlestep = 0; | |
1586 | } else { | |
1587 | monitor_printf(mon, "unexpected option %s\n", option); | |
1588 | } | |
1589 | } | |
1590 | ||
3e5a50d6 | 1591 | static void hmp_gdbserver(Monitor *mon, const QDict *qdict) |
59030a8c | 1592 | { |
d54908a5 | 1593 | const char *device = qdict_get_try_str(qdict, "device"); |
59030a8c AL |
1594 | if (!device) |
1595 | device = "tcp::" DEFAULT_GDBSTUB_PORT; | |
1596 | if (gdbserver_start(device) < 0) { | |
1597 | monitor_printf(mon, "Could not open gdbserver on device '%s'\n", | |
1598 | device); | |
1599 | } else if (strcmp(device, "none") == 0) { | |
36556b20 | 1600 | monitor_printf(mon, "Disabled gdbserver\n"); |
8a7ddc38 | 1601 | } else { |
59030a8c AL |
1602 | monitor_printf(mon, "Waiting for gdb connection on device '%s'\n", |
1603 | device); | |
8a7ddc38 FB |
1604 | } |
1605 | } | |
1606 | ||
3e5a50d6 | 1607 | static void hmp_watchdog_action(Monitor *mon, const QDict *qdict) |
9dd986cc | 1608 | { |
d54908a5 | 1609 | const char *action = qdict_get_str(qdict, "action"); |
9dd986cc RJ |
1610 | if (select_watchdog_action(action) == -1) { |
1611 | monitor_printf(mon, "Unknown watchdog action '%s'\n", action); | |
1612 | } | |
1613 | } | |
1614 | ||
376253ec | 1615 | static void monitor_printc(Monitor *mon, int c) |
9307c4c1 | 1616 | { |
376253ec | 1617 | monitor_printf(mon, "'"); |
9307c4c1 FB |
1618 | switch(c) { |
1619 | case '\'': | |
376253ec | 1620 | monitor_printf(mon, "\\'"); |
9307c4c1 FB |
1621 | break; |
1622 | case '\\': | |
376253ec | 1623 | monitor_printf(mon, "\\\\"); |
9307c4c1 FB |
1624 | break; |
1625 | case '\n': | |
376253ec | 1626 | monitor_printf(mon, "\\n"); |
9307c4c1 FB |
1627 | break; |
1628 | case '\r': | |
376253ec | 1629 | monitor_printf(mon, "\\r"); |
9307c4c1 FB |
1630 | break; |
1631 | default: | |
1632 | if (c >= 32 && c <= 126) { | |
376253ec | 1633 | monitor_printf(mon, "%c", c); |
9307c4c1 | 1634 | } else { |
376253ec | 1635 | monitor_printf(mon, "\\x%02x", c); |
9307c4c1 FB |
1636 | } |
1637 | break; | |
1638 | } | |
376253ec | 1639 | monitor_printf(mon, "'"); |
9307c4c1 FB |
1640 | } |
1641 | ||
376253ec | 1642 | static void memory_dump(Monitor *mon, int count, int format, int wsize, |
a8170e5e | 1643 | hwaddr addr, int is_physical) |
9307c4c1 | 1644 | { |
23842aab | 1645 | int l, line_size, i, max_digits, len; |
9307c4c1 FB |
1646 | uint8_t buf[16]; |
1647 | uint64_t v; | |
854e67fe TH |
1648 | CPUState *cs = mon_get_cpu(); |
1649 | ||
1650 | if (!cs && (format == 'i' || !is_physical)) { | |
1651 | monitor_printf(mon, "Can not dump without CPU\n"); | |
1652 | return; | |
1653 | } | |
9307c4c1 FB |
1654 | |
1655 | if (format == 'i') { | |
1d48474d | 1656 | monitor_disas(mon, cs, addr, count, is_physical); |
9307c4c1 FB |
1657 | return; |
1658 | } | |
1659 | ||
1660 | len = wsize * count; | |
1661 | if (wsize == 1) | |
1662 | line_size = 8; | |
1663 | else | |
1664 | line_size = 16; | |
9307c4c1 FB |
1665 | max_digits = 0; |
1666 | ||
1667 | switch(format) { | |
1668 | case 'o': | |
69db8dfc | 1669 | max_digits = DIV_ROUND_UP(wsize * 8, 3); |
9307c4c1 FB |
1670 | break; |
1671 | default: | |
1672 | case 'x': | |
1673 | max_digits = (wsize * 8) / 4; | |
1674 | break; | |
1675 | case 'u': | |
1676 | case 'd': | |
69db8dfc | 1677 | max_digits = DIV_ROUND_UP(wsize * 8 * 10, 33); |
9307c4c1 FB |
1678 | break; |
1679 | case 'c': | |
1680 | wsize = 1; | |
1681 | break; | |
1682 | } | |
1683 | ||
1684 | while (len > 0) { | |
7743e588 | 1685 | if (is_physical) |
376253ec | 1686 | monitor_printf(mon, TARGET_FMT_plx ":", addr); |
7743e588 | 1687 | else |
376253ec | 1688 | monitor_printf(mon, TARGET_FMT_lx ":", (target_ulong)addr); |
9307c4c1 FB |
1689 | l = len; |
1690 | if (l > line_size) | |
1691 | l = line_size; | |
1692 | if (is_physical) { | |
54f7b4a3 | 1693 | cpu_physical_memory_read(addr, buf, l); |
9307c4c1 | 1694 | } else { |
854e67fe | 1695 | if (cpu_memory_rw_debug(cs, addr, buf, l, 0) < 0) { |
376253ec | 1696 | monitor_printf(mon, " Cannot access memory\n"); |
c8f79b67 AL |
1697 | break; |
1698 | } | |
9307c4c1 | 1699 | } |
5fafdf24 | 1700 | i = 0; |
9307c4c1 FB |
1701 | while (i < l) { |
1702 | switch(wsize) { | |
1703 | default: | |
1704 | case 1: | |
24e60305 | 1705 | v = ldub_p(buf + i); |
9307c4c1 FB |
1706 | break; |
1707 | case 2: | |
24e60305 | 1708 | v = lduw_p(buf + i); |
9307c4c1 FB |
1709 | break; |
1710 | case 4: | |
24e60305 | 1711 | v = (uint32_t)ldl_p(buf + i); |
9307c4c1 FB |
1712 | break; |
1713 | case 8: | |
24e60305 | 1714 | v = ldq_p(buf + i); |
9307c4c1 FB |
1715 | break; |
1716 | } | |
376253ec | 1717 | monitor_printf(mon, " "); |
9307c4c1 FB |
1718 | switch(format) { |
1719 | case 'o': | |
376253ec | 1720 | monitor_printf(mon, "%#*" PRIo64, max_digits, v); |
9307c4c1 FB |
1721 | break; |
1722 | case 'x': | |
376253ec | 1723 | monitor_printf(mon, "0x%0*" PRIx64, max_digits, v); |
9307c4c1 FB |
1724 | break; |
1725 | case 'u': | |
376253ec | 1726 | monitor_printf(mon, "%*" PRIu64, max_digits, v); |
9307c4c1 FB |
1727 | break; |
1728 | case 'd': | |
376253ec | 1729 | monitor_printf(mon, "%*" PRId64, max_digits, v); |
9307c4c1 FB |
1730 | break; |
1731 | case 'c': | |
376253ec | 1732 | monitor_printc(mon, v); |
9307c4c1 FB |
1733 | break; |
1734 | } | |
1735 | i += wsize; | |
1736 | } | |
376253ec | 1737 | monitor_printf(mon, "\n"); |
9307c4c1 FB |
1738 | addr += l; |
1739 | len -= l; | |
1740 | } | |
1741 | } | |
1742 | ||
3e5a50d6 | 1743 | static void hmp_memory_dump(Monitor *mon, const QDict *qdict) |
9307c4c1 | 1744 | { |
1bd1442e LC |
1745 | int count = qdict_get_int(qdict, "count"); |
1746 | int format = qdict_get_int(qdict, "format"); | |
1747 | int size = qdict_get_int(qdict, "size"); | |
1748 | target_long addr = qdict_get_int(qdict, "addr"); | |
1749 | ||
376253ec | 1750 | memory_dump(mon, count, format, size, addr, 0); |
9307c4c1 FB |
1751 | } |
1752 | ||
3e5a50d6 | 1753 | static void hmp_physical_memory_dump(Monitor *mon, const QDict *qdict) |
9307c4c1 | 1754 | { |
1bd1442e LC |
1755 | int count = qdict_get_int(qdict, "count"); |
1756 | int format = qdict_get_int(qdict, "format"); | |
1757 | int size = qdict_get_int(qdict, "size"); | |
a8170e5e | 1758 | hwaddr addr = qdict_get_int(qdict, "addr"); |
1bd1442e | 1759 | |
376253ec | 1760 | memory_dump(mon, count, format, size, addr, 1); |
9307c4c1 FB |
1761 | } |
1762 | ||
e9628441 PB |
1763 | static void *gpa2hva(MemoryRegion **p_mr, hwaddr addr, Error **errp) |
1764 | { | |
1765 | MemoryRegionSection mrs = memory_region_find(get_system_memory(), | |
1766 | addr, 1); | |
1767 | ||
1768 | if (!mrs.mr) { | |
1769 | error_setg(errp, "No memory is mapped at address 0x%" HWADDR_PRIx, addr); | |
1770 | return NULL; | |
1771 | } | |
1772 | ||
1773 | if (!memory_region_is_ram(mrs.mr) && !memory_region_is_romd(mrs.mr)) { | |
1774 | error_setg(errp, "Memory at address 0x%" HWADDR_PRIx "is not RAM", addr); | |
1775 | memory_region_unref(mrs.mr); | |
1776 | return NULL; | |
1777 | } | |
1778 | ||
1779 | *p_mr = mrs.mr; | |
1780 | return qemu_map_ram_ptr(mrs.mr->ram_block, mrs.offset_within_region); | |
1781 | } | |
1782 | ||
1783 | static void hmp_gpa2hva(Monitor *mon, const QDict *qdict) | |
1784 | { | |
1785 | hwaddr addr = qdict_get_int(qdict, "addr"); | |
1786 | Error *local_err = NULL; | |
1787 | MemoryRegion *mr = NULL; | |
1788 | void *ptr; | |
1789 | ||
1790 | ptr = gpa2hva(&mr, addr, &local_err); | |
1791 | if (local_err) { | |
1792 | error_report_err(local_err); | |
1793 | return; | |
1794 | } | |
1795 | ||
1796 | monitor_printf(mon, "Host virtual address for 0x%" HWADDR_PRIx | |
1797 | " (%s) is %p\n", | |
1798 | addr, mr->name, ptr); | |
1799 | ||
1800 | memory_region_unref(mr); | |
1801 | } | |
1802 | ||
1803 | #ifdef CONFIG_LINUX | |
1804 | static uint64_t vtop(void *ptr, Error **errp) | |
1805 | { | |
1806 | uint64_t pinfo; | |
1807 | uint64_t ret = -1; | |
1808 | uintptr_t addr = (uintptr_t) ptr; | |
1809 | uintptr_t pagesize = getpagesize(); | |
1810 | off_t offset = addr / pagesize * sizeof(pinfo); | |
1811 | int fd; | |
1812 | ||
1813 | fd = open("/proc/self/pagemap", O_RDONLY); | |
1814 | if (fd == -1) { | |
1815 | error_setg_errno(errp, errno, "Cannot open /proc/self/pagemap"); | |
1816 | return -1; | |
1817 | } | |
1818 | ||
1819 | /* Force copy-on-write if necessary. */ | |
1820 | atomic_add((uint8_t *)ptr, 0); | |
1821 | ||
1822 | if (pread(fd, &pinfo, sizeof(pinfo), offset) != sizeof(pinfo)) { | |
1823 | error_setg_errno(errp, errno, "Cannot read pagemap"); | |
1824 | goto out; | |
1825 | } | |
1826 | if ((pinfo & (1ull << 63)) == 0) { | |
1827 | error_setg(errp, "Page not present"); | |
1828 | goto out; | |
1829 | } | |
1830 | ret = ((pinfo & 0x007fffffffffffffull) * pagesize) | (addr & (pagesize - 1)); | |
1831 | ||
1832 | out: | |
1833 | close(fd); | |
1834 | return ret; | |
1835 | } | |
1836 | ||
1837 | static void hmp_gpa2hpa(Monitor *mon, const QDict *qdict) | |
1838 | { | |
1839 | hwaddr addr = qdict_get_int(qdict, "addr"); | |
1840 | Error *local_err = NULL; | |
1841 | MemoryRegion *mr = NULL; | |
1842 | void *ptr; | |
1843 | uint64_t physaddr; | |
1844 | ||
1845 | ptr = gpa2hva(&mr, addr, &local_err); | |
1846 | if (local_err) { | |
1847 | error_report_err(local_err); | |
1848 | return; | |
1849 | } | |
1850 | ||
1851 | physaddr = vtop(ptr, &local_err); | |
1852 | if (local_err) { | |
1853 | error_report_err(local_err); | |
1854 | } else { | |
1855 | monitor_printf(mon, "Host physical address for 0x%" HWADDR_PRIx | |
1856 | " (%s) is 0x%" PRIx64 "\n", | |
1857 | addr, mr->name, (uint64_t) physaddr); | |
1858 | } | |
1859 | ||
1860 | memory_region_unref(mr); | |
1861 | } | |
1862 | #endif | |
1863 | ||
1bd1442e | 1864 | static void do_print(Monitor *mon, const QDict *qdict) |
9307c4c1 | 1865 | { |
1bd1442e | 1866 | int format = qdict_get_int(qdict, "format"); |
a8170e5e | 1867 | hwaddr val = qdict_get_int(qdict, "val"); |
1bd1442e | 1868 | |
9307c4c1 FB |
1869 | switch(format) { |
1870 | case 'o': | |
a8170e5e | 1871 | monitor_printf(mon, "%#" HWADDR_PRIo, val); |
9307c4c1 FB |
1872 | break; |
1873 | case 'x': | |
a8170e5e | 1874 | monitor_printf(mon, "%#" HWADDR_PRIx, val); |
9307c4c1 FB |
1875 | break; |
1876 | case 'u': | |
a8170e5e | 1877 | monitor_printf(mon, "%" HWADDR_PRIu, val); |
9307c4c1 FB |
1878 | break; |
1879 | default: | |
1880 | case 'd': | |
a8170e5e | 1881 | monitor_printf(mon, "%" HWADDR_PRId, val); |
9307c4c1 FB |
1882 | break; |
1883 | case 'c': | |
376253ec | 1884 | monitor_printc(mon, val); |
9307c4c1 FB |
1885 | break; |
1886 | } | |
376253ec | 1887 | monitor_printf(mon, "\n"); |
9307c4c1 FB |
1888 | } |
1889 | ||
3e5a50d6 | 1890 | static void hmp_sum(Monitor *mon, const QDict *qdict) |
e4cf1adc FB |
1891 | { |
1892 | uint32_t addr; | |
e4cf1adc | 1893 | uint16_t sum; |
f18c16de LC |
1894 | uint32_t start = qdict_get_int(qdict, "start"); |
1895 | uint32_t size = qdict_get_int(qdict, "size"); | |
e4cf1adc FB |
1896 | |
1897 | sum = 0; | |
1898 | for(addr = start; addr < (start + size); addr++) { | |
42874d3a PM |
1899 | uint8_t val = address_space_ldub(&address_space_memory, addr, |
1900 | MEMTXATTRS_UNSPECIFIED, NULL); | |
e4cf1adc FB |
1901 | /* BSD sum algorithm ('sum' Unix command) */ |
1902 | sum = (sum >> 1) | (sum << 15); | |
54f7b4a3 | 1903 | sum += val; |
e4cf1adc | 1904 | } |
376253ec | 1905 | monitor_printf(mon, "%05d\n", sum); |
e4cf1adc FB |
1906 | } |
1907 | ||
13224a87 FB |
1908 | static int mouse_button_state; |
1909 | ||
3e5a50d6 | 1910 | static void hmp_mouse_move(Monitor *mon, const QDict *qdict) |
13224a87 | 1911 | { |
c751a74a | 1912 | int dx, dy, dz, button; |
1d4daa91 LC |
1913 | const char *dx_str = qdict_get_str(qdict, "dx_str"); |
1914 | const char *dy_str = qdict_get_str(qdict, "dy_str"); | |
1915 | const char *dz_str = qdict_get_try_str(qdict, "dz_str"); | |
c751a74a | 1916 | |
13224a87 FB |
1917 | dx = strtol(dx_str, NULL, 0); |
1918 | dy = strtol(dy_str, NULL, 0); | |
c751a74a GH |
1919 | qemu_input_queue_rel(NULL, INPUT_AXIS_X, dx); |
1920 | qemu_input_queue_rel(NULL, INPUT_AXIS_Y, dy); | |
1921 | ||
1922 | if (dz_str) { | |
13224a87 | 1923 | dz = strtol(dz_str, NULL, 0); |
c751a74a | 1924 | if (dz != 0) { |
f22d0af0 | 1925 | button = (dz > 0) ? INPUT_BUTTON_WHEEL_UP : INPUT_BUTTON_WHEEL_DOWN; |
c751a74a GH |
1926 | qemu_input_queue_btn(NULL, button, true); |
1927 | qemu_input_event_sync(); | |
1928 | qemu_input_queue_btn(NULL, button, false); | |
1929 | } | |
1930 | } | |
1931 | qemu_input_event_sync(); | |
13224a87 FB |
1932 | } |
1933 | ||
3e5a50d6 | 1934 | static void hmp_mouse_button(Monitor *mon, const QDict *qdict) |
13224a87 | 1935 | { |
7fb1cf16 | 1936 | static uint32_t bmap[INPUT_BUTTON__MAX] = { |
c751a74a GH |
1937 | [INPUT_BUTTON_LEFT] = MOUSE_EVENT_LBUTTON, |
1938 | [INPUT_BUTTON_MIDDLE] = MOUSE_EVENT_MBUTTON, | |
1939 | [INPUT_BUTTON_RIGHT] = MOUSE_EVENT_RBUTTON, | |
1940 | }; | |
d54908a5 | 1941 | int button_state = qdict_get_int(qdict, "button_state"); |
c751a74a GH |
1942 | |
1943 | if (mouse_button_state == button_state) { | |
1944 | return; | |
1945 | } | |
1946 | qemu_input_update_buttons(NULL, bmap, mouse_button_state, button_state); | |
1947 | qemu_input_event_sync(); | |
13224a87 | 1948 | mouse_button_state = button_state; |
13224a87 FB |
1949 | } |
1950 | ||
3e5a50d6 | 1951 | static void hmp_ioport_read(Monitor *mon, const QDict *qdict) |
3440557b | 1952 | { |
aa93e39c LC |
1953 | int size = qdict_get_int(qdict, "size"); |
1954 | int addr = qdict_get_int(qdict, "addr"); | |
1955 | int has_index = qdict_haskey(qdict, "index"); | |
3440557b FB |
1956 | uint32_t val; |
1957 | int suffix; | |
1958 | ||
1959 | if (has_index) { | |
aa93e39c | 1960 | int index = qdict_get_int(qdict, "index"); |
afcea8cb | 1961 | cpu_outb(addr & IOPORTS_MASK, index & 0xff); |
3440557b FB |
1962 | addr++; |
1963 | } | |
1964 | addr &= 0xffff; | |
1965 | ||
1966 | switch(size) { | |
1967 | default: | |
1968 | case 1: | |
afcea8cb | 1969 | val = cpu_inb(addr); |
3440557b FB |
1970 | suffix = 'b'; |
1971 | break; | |
1972 | case 2: | |
afcea8cb | 1973 | val = cpu_inw(addr); |
3440557b FB |
1974 | suffix = 'w'; |
1975 | break; | |
1976 | case 4: | |
afcea8cb | 1977 | val = cpu_inl(addr); |
3440557b FB |
1978 | suffix = 'l'; |
1979 | break; | |
1980 | } | |
376253ec AL |
1981 | monitor_printf(mon, "port%c[0x%04x] = %#0*x\n", |
1982 | suffix, addr, size * 2, val); | |
3440557b | 1983 | } |
a3a91a35 | 1984 | |
3e5a50d6 | 1985 | static void hmp_ioport_write(Monitor *mon, const QDict *qdict) |
f114784f | 1986 | { |
1bd1442e LC |
1987 | int size = qdict_get_int(qdict, "size"); |
1988 | int addr = qdict_get_int(qdict, "addr"); | |
1989 | int val = qdict_get_int(qdict, "val"); | |
1990 | ||
f114784f JK |
1991 | addr &= IOPORTS_MASK; |
1992 | ||
1993 | switch (size) { | |
1994 | default: | |
1995 | case 1: | |
afcea8cb | 1996 | cpu_outb(addr, val); |
f114784f JK |
1997 | break; |
1998 | case 2: | |
afcea8cb | 1999 | cpu_outw(addr, val); |
f114784f JK |
2000 | break; |
2001 | case 4: | |
afcea8cb | 2002 | cpu_outl(addr, val); |
f114784f JK |
2003 | break; |
2004 | } | |
2005 | } | |
2006 | ||
3e5a50d6 | 2007 | static void hmp_boot_set(Monitor *mon, const QDict *qdict) |
0ecdffbb | 2008 | { |
f1839938 | 2009 | Error *local_err = NULL; |
d54908a5 | 2010 | const char *bootdevice = qdict_get_str(qdict, "bootdevice"); |
0ecdffbb | 2011 | |
f1839938 GA |
2012 | qemu_boot_set(bootdevice, &local_err); |
2013 | if (local_err) { | |
193227f9 | 2014 | error_report_err(local_err); |
0ecdffbb | 2015 | } else { |
f1839938 | 2016 | monitor_printf(mon, "boot device list now set to %s\n", bootdevice); |
0ecdffbb AJ |
2017 | } |
2018 | } | |
2019 | ||
1ce6be24 | 2020 | static void hmp_info_mtree(Monitor *mon, const QDict *qdict) |
314e2987 | 2021 | { |
57bb40c9 | 2022 | bool flatview = qdict_get_try_bool(qdict, "flatview", false); |
5e8fd947 | 2023 | bool dispatch_tree = qdict_get_try_bool(qdict, "dispatch_tree", false); |
fc051ae6 | 2024 | bool owner = qdict_get_try_bool(qdict, "owner", false); |
57bb40c9 | 2025 | |
fc051ae6 AK |
2026 | mtree_info((fprintf_function)monitor_printf, mon, flatview, dispatch_tree, |
2027 | owner); | |
314e2987 BS |
2028 | } |
2029 | ||
1ce6be24 | 2030 | static void hmp_info_numa(Monitor *mon, const QDict *qdict) |
030ea37b | 2031 | { |
b28b6230 | 2032 | int i; |
31959e82 | 2033 | NumaNodeMem *node_mem; |
f75cd44d | 2034 | CpuInfoList *cpu_list, *cpu; |
030ea37b | 2035 | |
f75cd44d | 2036 | cpu_list = qmp_query_cpus(&error_abort); |
31959e82 VG |
2037 | node_mem = g_new0(NumaNodeMem, nb_numa_nodes); |
2038 | ||
5b009e40 | 2039 | query_numa_node_mem(node_mem); |
030ea37b AL |
2040 | monitor_printf(mon, "%d nodes\n", nb_numa_nodes); |
2041 | for (i = 0; i < nb_numa_nodes; i++) { | |
2042 | monitor_printf(mon, "node %d cpus:", i); | |
f75cd44d IM |
2043 | for (cpu = cpu_list; cpu; cpu = cpu->next) { |
2044 | if (cpu->value->has_props && cpu->value->props->has_node_id && | |
2045 | cpu->value->props->node_id == i) { | |
2046 | monitor_printf(mon, " %" PRIi64, cpu->value->CPU); | |
030ea37b AL |
2047 | } |
2048 | } | |
2049 | monitor_printf(mon, "\n"); | |
2050 | monitor_printf(mon, "node %d size: %" PRId64 " MB\n", i, | |
31959e82 VG |
2051 | node_mem[i].node_mem >> 20); |
2052 | monitor_printf(mon, "node %d plugged: %" PRId64 " MB\n", i, | |
2053 | node_mem[i].node_plugged_mem >> 20); | |
030ea37b | 2054 | } |
f75cd44d | 2055 | qapi_free_CpuInfoList(cpu_list); |
5b009e40 | 2056 | g_free(node_mem); |
030ea37b AL |
2057 | } |
2058 | ||
5f1ce948 FB |
2059 | #ifdef CONFIG_PROFILER |
2060 | ||
89d5cbdd | 2061 | int64_t tcg_time; |
e9a6625e AJ |
2062 | int64_t dev_time; |
2063 | ||
1ce6be24 | 2064 | static void hmp_info_profile(Monitor *mon, const QDict *qdict) |
5f1ce948 | 2065 | { |
376253ec | 2066 | monitor_printf(mon, "async time %" PRId64 " (%0.3f)\n", |
73bcb24d | 2067 | dev_time, dev_time / (double)NANOSECONDS_PER_SECOND); |
376253ec | 2068 | monitor_printf(mon, "qemu time %" PRId64 " (%0.3f)\n", |
73bcb24d | 2069 | tcg_time, tcg_time / (double)NANOSECONDS_PER_SECOND); |
89d5cbdd | 2070 | tcg_time = 0; |
5f1ce948 | 2071 | dev_time = 0; |
5f1ce948 FB |
2072 | } |
2073 | #else | |
1ce6be24 | 2074 | static void hmp_info_profile(Monitor *mon, const QDict *qdict) |
5f1ce948 | 2075 | { |
376253ec | 2076 | monitor_printf(mon, "Internal profiler not compiled\n"); |
5f1ce948 FB |
2077 | } |
2078 | #endif | |
2079 | ||
ec36b695 | 2080 | /* Capture support */ |
72cf2d4f | 2081 | static QLIST_HEAD (capture_list_head, CaptureState) capture_head; |
ec36b695 | 2082 | |
1ce6be24 | 2083 | static void hmp_info_capture(Monitor *mon, const QDict *qdict) |
ec36b695 FB |
2084 | { |
2085 | int i; | |
2086 | CaptureState *s; | |
2087 | ||
2088 | for (s = capture_head.lh_first, i = 0; s; s = s->entries.le_next, ++i) { | |
376253ec | 2089 | monitor_printf(mon, "[%d]: ", i); |
ec36b695 FB |
2090 | s->ops.info (s->opaque); |
2091 | } | |
2092 | } | |
2093 | ||
3e5a50d6 | 2094 | static void hmp_stopcapture(Monitor *mon, const QDict *qdict) |
ec36b695 FB |
2095 | { |
2096 | int i; | |
d54908a5 | 2097 | int n = qdict_get_int(qdict, "n"); |
ec36b695 FB |
2098 | CaptureState *s; |
2099 | ||
2100 | for (s = capture_head.lh_first, i = 0; s; s = s->entries.le_next, ++i) { | |
2101 | if (i == n) { | |
2102 | s->ops.destroy (s->opaque); | |
72cf2d4f | 2103 | QLIST_REMOVE (s, entries); |
7267c094 | 2104 | g_free (s); |
ec36b695 FB |
2105 | return; |
2106 | } | |
2107 | } | |
2108 | } | |
2109 | ||
3e5a50d6 | 2110 | static void hmp_wavcapture(Monitor *mon, const QDict *qdict) |
c1925484 LC |
2111 | { |
2112 | const char *path = qdict_get_str(qdict, "path"); | |
2113 | int has_freq = qdict_haskey(qdict, "freq"); | |
2114 | int freq = qdict_get_try_int(qdict, "freq", -1); | |
2115 | int has_bits = qdict_haskey(qdict, "bits"); | |
2116 | int bits = qdict_get_try_int(qdict, "bits", -1); | |
2117 | int has_channels = qdict_haskey(qdict, "nchannels"); | |
2118 | int nchannels = qdict_get_try_int(qdict, "nchannels", -1); | |
ec36b695 FB |
2119 | CaptureState *s; |
2120 | ||
7267c094 | 2121 | s = g_malloc0 (sizeof (*s)); |
ec36b695 FB |
2122 | |
2123 | freq = has_freq ? freq : 44100; | |
2124 | bits = has_bits ? bits : 16; | |
2125 | nchannels = has_channels ? nchannels : 2; | |
2126 | ||
2127 | if (wav_start_capture (s, path, freq, bits, nchannels)) { | |
d00b2618 | 2128 | monitor_printf(mon, "Failed to add wave capture\n"); |
7267c094 | 2129 | g_free (s); |
d00b2618 | 2130 | return; |
ec36b695 | 2131 | } |
72cf2d4f | 2132 | QLIST_INSERT_HEAD (&capture_head, s, entries); |
ec36b695 | 2133 | } |
ec36b695 | 2134 | |
15dfcd45 | 2135 | static qemu_acl *find_acl(Monitor *mon, const char *name) |
76655d6d | 2136 | { |
15dfcd45 | 2137 | qemu_acl *acl = qemu_acl_find(name); |
76655d6d | 2138 | |
76655d6d | 2139 | if (!acl) { |
15dfcd45 | 2140 | monitor_printf(mon, "acl: unknown list '%s'\n", name); |
76655d6d | 2141 | } |
15dfcd45 JK |
2142 | return acl; |
2143 | } | |
2144 | ||
3e5a50d6 | 2145 | static void hmp_acl_show(Monitor *mon, const QDict *qdict) |
15dfcd45 | 2146 | { |
d54908a5 | 2147 | const char *aclname = qdict_get_str(qdict, "aclname"); |
15dfcd45 JK |
2148 | qemu_acl *acl = find_acl(mon, aclname); |
2149 | qemu_acl_entry *entry; | |
2150 | int i = 0; | |
76655d6d | 2151 | |
15dfcd45 | 2152 | if (acl) { |
28a76be8 | 2153 | monitor_printf(mon, "policy: %s\n", |
76655d6d | 2154 | acl->defaultDeny ? "deny" : "allow"); |
72cf2d4f | 2155 | QTAILQ_FOREACH(entry, &acl->entries, next) { |
28a76be8 AL |
2156 | i++; |
2157 | monitor_printf(mon, "%d: %s %s\n", i, | |
15dfcd45 | 2158 | entry->deny ? "deny" : "allow", entry->match); |
28a76be8 | 2159 | } |
15dfcd45 JK |
2160 | } |
2161 | } | |
2162 | ||
3e5a50d6 | 2163 | static void hmp_acl_reset(Monitor *mon, const QDict *qdict) |
15dfcd45 | 2164 | { |
d54908a5 | 2165 | const char *aclname = qdict_get_str(qdict, "aclname"); |
15dfcd45 JK |
2166 | qemu_acl *acl = find_acl(mon, aclname); |
2167 | ||
2168 | if (acl) { | |
28a76be8 AL |
2169 | qemu_acl_reset(acl); |
2170 | monitor_printf(mon, "acl: removed all rules\n"); | |
15dfcd45 JK |
2171 | } |
2172 | } | |
2173 | ||
3e5a50d6 | 2174 | static void hmp_acl_policy(Monitor *mon, const QDict *qdict) |
15dfcd45 | 2175 | { |
f18c16de LC |
2176 | const char *aclname = qdict_get_str(qdict, "aclname"); |
2177 | const char *policy = qdict_get_str(qdict, "policy"); | |
15dfcd45 | 2178 | qemu_acl *acl = find_acl(mon, aclname); |
28a76be8 | 2179 | |
15dfcd45 JK |
2180 | if (acl) { |
2181 | if (strcmp(policy, "allow") == 0) { | |
28a76be8 AL |
2182 | acl->defaultDeny = 0; |
2183 | monitor_printf(mon, "acl: policy set to 'allow'\n"); | |
15dfcd45 | 2184 | } else if (strcmp(policy, "deny") == 0) { |
28a76be8 AL |
2185 | acl->defaultDeny = 1; |
2186 | monitor_printf(mon, "acl: policy set to 'deny'\n"); | |
2187 | } else { | |
15dfcd45 JK |
2188 | monitor_printf(mon, "acl: unknown policy '%s', " |
2189 | "expected 'deny' or 'allow'\n", policy); | |
28a76be8 | 2190 | } |
15dfcd45 JK |
2191 | } |
2192 | } | |
28a76be8 | 2193 | |
3e5a50d6 | 2194 | static void hmp_acl_add(Monitor *mon, const QDict *qdict) |
15dfcd45 | 2195 | { |
1bd1442e LC |
2196 | const char *aclname = qdict_get_str(qdict, "aclname"); |
2197 | const char *match = qdict_get_str(qdict, "match"); | |
2198 | const char *policy = qdict_get_str(qdict, "policy"); | |
2199 | int has_index = qdict_haskey(qdict, "index"); | |
2200 | int index = qdict_get_try_int(qdict, "index", -1); | |
15dfcd45 JK |
2201 | qemu_acl *acl = find_acl(mon, aclname); |
2202 | int deny, ret; | |
2203 | ||
2204 | if (acl) { | |
2205 | if (strcmp(policy, "allow") == 0) { | |
2206 | deny = 0; | |
2207 | } else if (strcmp(policy, "deny") == 0) { | |
2208 | deny = 1; | |
2209 | } else { | |
2210 | monitor_printf(mon, "acl: unknown policy '%s', " | |
2211 | "expected 'deny' or 'allow'\n", policy); | |
28a76be8 AL |
2212 | return; |
2213 | } | |
28a76be8 AL |
2214 | if (has_index) |
2215 | ret = qemu_acl_insert(acl, deny, match, index); | |
2216 | else | |
2217 | ret = qemu_acl_append(acl, deny, match); | |
2218 | if (ret < 0) | |
2219 | monitor_printf(mon, "acl: unable to add acl entry\n"); | |
2220 | else | |
2221 | monitor_printf(mon, "acl: added rule at position %d\n", ret); | |
15dfcd45 JK |
2222 | } |
2223 | } | |
28a76be8 | 2224 | |
3e5a50d6 | 2225 | static void hmp_acl_remove(Monitor *mon, const QDict *qdict) |
15dfcd45 | 2226 | { |
f18c16de LC |
2227 | const char *aclname = qdict_get_str(qdict, "aclname"); |
2228 | const char *match = qdict_get_str(qdict, "match"); | |
15dfcd45 JK |
2229 | qemu_acl *acl = find_acl(mon, aclname); |
2230 | int ret; | |
28a76be8 | 2231 | |
15dfcd45 | 2232 | if (acl) { |
28a76be8 AL |
2233 | ret = qemu_acl_remove(acl, match); |
2234 | if (ret < 0) | |
2235 | monitor_printf(mon, "acl: no matching acl entry\n"); | |
2236 | else | |
2237 | monitor_printf(mon, "acl: removed rule at position %d\n", ret); | |
76655d6d AL |
2238 | } |
2239 | } | |
2240 | ||
208c9d1b | 2241 | void qmp_getfd(const char *fdname, Error **errp) |
f07918fd | 2242 | { |
c227f099 | 2243 | mon_fd_t *monfd; |
9409fc05 | 2244 | int fd, tmp_fd; |
f07918fd | 2245 | |
5345fdb4 | 2246 | fd = qemu_chr_fe_get_msgfd(&cur_mon->chr); |
f07918fd | 2247 | if (fd == -1) { |
c6bd8c70 | 2248 | error_setg(errp, QERR_FD_NOT_SUPPLIED); |
208c9d1b | 2249 | return; |
f07918fd MM |
2250 | } |
2251 | ||
2252 | if (qemu_isdigit(fdname[0])) { | |
0b9f0e2f | 2253 | close(fd); |
c6bd8c70 MA |
2254 | error_setg(errp, QERR_INVALID_PARAMETER_VALUE, "fdname", |
2255 | "a name not starting with a digit"); | |
208c9d1b | 2256 | return; |
f07918fd MM |
2257 | } |
2258 | ||
9409fc05 | 2259 | qemu_mutex_lock(&cur_mon->mon_lock); |
208c9d1b | 2260 | QLIST_FOREACH(monfd, &cur_mon->fds, next) { |
f07918fd MM |
2261 | if (strcmp(monfd->name, fdname) != 0) { |
2262 | continue; | |
2263 | } | |
2264 | ||
9409fc05 | 2265 | tmp_fd = monfd->fd; |
f07918fd | 2266 | monfd->fd = fd; |
9409fc05 PX |
2267 | qemu_mutex_unlock(&cur_mon->mon_lock); |
2268 | /* Make sure close() is out of critical section */ | |
2269 | close(tmp_fd); | |
208c9d1b | 2270 | return; |
f07918fd MM |
2271 | } |
2272 | ||
7267c094 AL |
2273 | monfd = g_malloc0(sizeof(mon_fd_t)); |
2274 | monfd->name = g_strdup(fdname); | |
f07918fd MM |
2275 | monfd->fd = fd; |
2276 | ||
208c9d1b | 2277 | QLIST_INSERT_HEAD(&cur_mon->fds, monfd, next); |
9409fc05 | 2278 | qemu_mutex_unlock(&cur_mon->mon_lock); |
f07918fd MM |
2279 | } |
2280 | ||
208c9d1b | 2281 | void qmp_closefd(const char *fdname, Error **errp) |
f07918fd | 2282 | { |
c227f099 | 2283 | mon_fd_t *monfd; |
9409fc05 | 2284 | int tmp_fd; |
f07918fd | 2285 | |
9409fc05 | 2286 | qemu_mutex_lock(&cur_mon->mon_lock); |
208c9d1b | 2287 | QLIST_FOREACH(monfd, &cur_mon->fds, next) { |
f07918fd MM |
2288 | if (strcmp(monfd->name, fdname) != 0) { |
2289 | continue; | |
2290 | } | |
2291 | ||
72cf2d4f | 2292 | QLIST_REMOVE(monfd, next); |
9409fc05 | 2293 | tmp_fd = monfd->fd; |
7267c094 AL |
2294 | g_free(monfd->name); |
2295 | g_free(monfd); | |
9409fc05 PX |
2296 | qemu_mutex_unlock(&cur_mon->mon_lock); |
2297 | /* Make sure close() is out of critical section */ | |
2298 | close(tmp_fd); | |
208c9d1b | 2299 | return; |
f07918fd MM |
2300 | } |
2301 | ||
9409fc05 | 2302 | qemu_mutex_unlock(&cur_mon->mon_lock); |
c6bd8c70 | 2303 | error_setg(errp, QERR_FD_NOT_FOUND, fdname); |
f07918fd MM |
2304 | } |
2305 | ||
a9940fc4 | 2306 | int monitor_get_fd(Monitor *mon, const char *fdname, Error **errp) |
7768e04c | 2307 | { |
c227f099 | 2308 | mon_fd_t *monfd; |
7768e04c | 2309 | |
9409fc05 | 2310 | qemu_mutex_lock(&mon->mon_lock); |
72cf2d4f | 2311 | QLIST_FOREACH(monfd, &mon->fds, next) { |
7768e04c MM |
2312 | int fd; |
2313 | ||
2314 | if (strcmp(monfd->name, fdname) != 0) { | |
2315 | continue; | |
2316 | } | |
2317 | ||
2318 | fd = monfd->fd; | |
2319 | ||
2320 | /* caller takes ownership of fd */ | |
72cf2d4f | 2321 | QLIST_REMOVE(monfd, next); |
7267c094 AL |
2322 | g_free(monfd->name); |
2323 | g_free(monfd); | |
9409fc05 | 2324 | qemu_mutex_unlock(&mon->mon_lock); |
7768e04c MM |
2325 | |
2326 | return fd; | |
2327 | } | |
2328 | ||
9409fc05 | 2329 | qemu_mutex_unlock(&mon->mon_lock); |
a9940fc4 | 2330 | error_setg(errp, "File descriptor named '%s' has not been found", fdname); |
7768e04c MM |
2331 | return -1; |
2332 | } | |
2333 | ||
ba1c048a CB |
2334 | static void monitor_fdset_cleanup(MonFdset *mon_fdset) |
2335 | { | |
2336 | MonFdsetFd *mon_fdset_fd; | |
2337 | MonFdsetFd *mon_fdset_fd_next; | |
2338 | ||
2339 | QLIST_FOREACH_SAFE(mon_fdset_fd, &mon_fdset->fds, next, mon_fdset_fd_next) { | |
ebe52b59 CB |
2340 | if ((mon_fdset_fd->removed || |
2341 | (QLIST_EMPTY(&mon_fdset->dup_fds) && mon_refcount == 0)) && | |
2342 | runstate_is_running()) { | |
ba1c048a CB |
2343 | close(mon_fdset_fd->fd); |
2344 | g_free(mon_fdset_fd->opaque); | |
2345 | QLIST_REMOVE(mon_fdset_fd, next); | |
2346 | g_free(mon_fdset_fd); | |
2347 | } | |
2348 | } | |
2349 | ||
adb696f3 | 2350 | if (QLIST_EMPTY(&mon_fdset->fds) && QLIST_EMPTY(&mon_fdset->dup_fds)) { |
ba1c048a CB |
2351 | QLIST_REMOVE(mon_fdset, next); |
2352 | g_free(mon_fdset); | |
2353 | } | |
2354 | } | |
2355 | ||
efb87c16 CB |
2356 | static void monitor_fdsets_cleanup(void) |
2357 | { | |
2358 | MonFdset *mon_fdset; | |
2359 | MonFdset *mon_fdset_next; | |
2360 | ||
47451466 | 2361 | qemu_mutex_lock(&mon_fdsets_lock); |
efb87c16 CB |
2362 | QLIST_FOREACH_SAFE(mon_fdset, &mon_fdsets, next, mon_fdset_next) { |
2363 | monitor_fdset_cleanup(mon_fdset); | |
2364 | } | |
47451466 | 2365 | qemu_mutex_unlock(&mon_fdsets_lock); |
efb87c16 CB |
2366 | } |
2367 | ||
ba1c048a CB |
2368 | AddfdInfo *qmp_add_fd(bool has_fdset_id, int64_t fdset_id, bool has_opaque, |
2369 | const char *opaque, Error **errp) | |
2370 | { | |
2371 | int fd; | |
2372 | Monitor *mon = cur_mon; | |
ba1c048a CB |
2373 | AddfdInfo *fdinfo; |
2374 | ||
5345fdb4 | 2375 | fd = qemu_chr_fe_get_msgfd(&mon->chr); |
ba1c048a | 2376 | if (fd == -1) { |
c6bd8c70 | 2377 | error_setg(errp, QERR_FD_NOT_SUPPLIED); |
ba1c048a CB |
2378 | goto error; |
2379 | } | |
2380 | ||
e446f70d CB |
2381 | fdinfo = monitor_fdset_add_fd(fd, has_fdset_id, fdset_id, |
2382 | has_opaque, opaque, errp); | |
2383 | if (fdinfo) { | |
2384 | return fdinfo; | |
ba1c048a | 2385 | } |
ba1c048a CB |
2386 | |
2387 | error: | |
2388 | if (fd != -1) { | |
2389 | close(fd); | |
2390 | } | |
2391 | return NULL; | |
2392 | } | |
2393 | ||
2394 | void qmp_remove_fd(int64_t fdset_id, bool has_fd, int64_t fd, Error **errp) | |
2395 | { | |
2396 | MonFdset *mon_fdset; | |
2397 | MonFdsetFd *mon_fdset_fd; | |
2398 | char fd_str[60]; | |
2399 | ||
47451466 | 2400 | qemu_mutex_lock(&mon_fdsets_lock); |
ba1c048a CB |
2401 | QLIST_FOREACH(mon_fdset, &mon_fdsets, next) { |
2402 | if (mon_fdset->id != fdset_id) { | |
2403 | continue; | |
2404 | } | |
2405 | QLIST_FOREACH(mon_fdset_fd, &mon_fdset->fds, next) { | |
2406 | if (has_fd) { | |
2407 | if (mon_fdset_fd->fd != fd) { | |
2408 | continue; | |
2409 | } | |
2410 | mon_fdset_fd->removed = true; | |
2411 | break; | |
2412 | } else { | |
2413 | mon_fdset_fd->removed = true; | |
2414 | } | |
2415 | } | |
2416 | if (has_fd && !mon_fdset_fd) { | |
2417 | goto error; | |
2418 | } | |
2419 | monitor_fdset_cleanup(mon_fdset); | |
47451466 | 2420 | qemu_mutex_unlock(&mon_fdsets_lock); |
ba1c048a CB |
2421 | return; |
2422 | } | |
2423 | ||
2424 | error: | |
47451466 | 2425 | qemu_mutex_unlock(&mon_fdsets_lock); |
ba1c048a CB |
2426 | if (has_fd) { |
2427 | snprintf(fd_str, sizeof(fd_str), "fdset-id:%" PRId64 ", fd:%" PRId64, | |
2428 | fdset_id, fd); | |
2429 | } else { | |
2430 | snprintf(fd_str, sizeof(fd_str), "fdset-id:%" PRId64, fdset_id); | |
2431 | } | |
c6bd8c70 | 2432 | error_setg(errp, QERR_FD_NOT_FOUND, fd_str); |
ba1c048a CB |
2433 | } |
2434 | ||
2435 | FdsetInfoList *qmp_query_fdsets(Error **errp) | |
2436 | { | |
2437 | MonFdset *mon_fdset; | |
2438 | MonFdsetFd *mon_fdset_fd; | |
2439 | FdsetInfoList *fdset_list = NULL; | |
2440 | ||
47451466 | 2441 | qemu_mutex_lock(&mon_fdsets_lock); |
ba1c048a CB |
2442 | QLIST_FOREACH(mon_fdset, &mon_fdsets, next) { |
2443 | FdsetInfoList *fdset_info = g_malloc0(sizeof(*fdset_info)); | |
2444 | FdsetFdInfoList *fdsetfd_list = NULL; | |
2445 | ||
2446 | fdset_info->value = g_malloc0(sizeof(*fdset_info->value)); | |
2447 | fdset_info->value->fdset_id = mon_fdset->id; | |
2448 | ||
2449 | QLIST_FOREACH(mon_fdset_fd, &mon_fdset->fds, next) { | |
2450 | FdsetFdInfoList *fdsetfd_info; | |
2451 | ||
2452 | fdsetfd_info = g_malloc0(sizeof(*fdsetfd_info)); | |
2453 | fdsetfd_info->value = g_malloc0(sizeof(*fdsetfd_info->value)); | |
2454 | fdsetfd_info->value->fd = mon_fdset_fd->fd; | |
2455 | if (mon_fdset_fd->opaque) { | |
2456 | fdsetfd_info->value->has_opaque = true; | |
2457 | fdsetfd_info->value->opaque = g_strdup(mon_fdset_fd->opaque); | |
2458 | } else { | |
2459 | fdsetfd_info->value->has_opaque = false; | |
2460 | } | |
2461 | ||
2462 | fdsetfd_info->next = fdsetfd_list; | |
2463 | fdsetfd_list = fdsetfd_info; | |
2464 | } | |
2465 | ||
2466 | fdset_info->value->fds = fdsetfd_list; | |
2467 | ||
2468 | fdset_info->next = fdset_list; | |
2469 | fdset_list = fdset_info; | |
2470 | } | |
47451466 | 2471 | qemu_mutex_unlock(&mon_fdsets_lock); |
ba1c048a CB |
2472 | |
2473 | return fdset_list; | |
2474 | } | |
2475 | ||
e446f70d CB |
2476 | AddfdInfo *monitor_fdset_add_fd(int fd, bool has_fdset_id, int64_t fdset_id, |
2477 | bool has_opaque, const char *opaque, | |
2478 | Error **errp) | |
2479 | { | |
2480 | MonFdset *mon_fdset = NULL; | |
2481 | MonFdsetFd *mon_fdset_fd; | |
2482 | AddfdInfo *fdinfo; | |
2483 | ||
47451466 | 2484 | qemu_mutex_lock(&mon_fdsets_lock); |
e446f70d CB |
2485 | if (has_fdset_id) { |
2486 | QLIST_FOREACH(mon_fdset, &mon_fdsets, next) { | |
2487 | /* Break if match found or match impossible due to ordering by ID */ | |
2488 | if (fdset_id <= mon_fdset->id) { | |
2489 | if (fdset_id < mon_fdset->id) { | |
2490 | mon_fdset = NULL; | |
2491 | } | |
2492 | break; | |
2493 | } | |
2494 | } | |
2495 | } | |
2496 | ||
2497 | if (mon_fdset == NULL) { | |
2498 | int64_t fdset_id_prev = -1; | |
2499 | MonFdset *mon_fdset_cur = QLIST_FIRST(&mon_fdsets); | |
2500 | ||
2501 | if (has_fdset_id) { | |
2502 | if (fdset_id < 0) { | |
c6bd8c70 MA |
2503 | error_setg(errp, QERR_INVALID_PARAMETER_VALUE, "fdset-id", |
2504 | "a non-negative value"); | |
47451466 | 2505 | qemu_mutex_unlock(&mon_fdsets_lock); |
e446f70d CB |
2506 | return NULL; |
2507 | } | |
2508 | /* Use specified fdset ID */ | |
2509 | QLIST_FOREACH(mon_fdset, &mon_fdsets, next) { | |
2510 | mon_fdset_cur = mon_fdset; | |
2511 | if (fdset_id < mon_fdset_cur->id) { | |
2512 | break; | |
2513 | } | |
2514 | } | |
2515 | } else { | |
2516 | /* Use first available fdset ID */ | |
2517 | QLIST_FOREACH(mon_fdset, &mon_fdsets, next) { | |
2518 | mon_fdset_cur = mon_fdset; | |
2519 | if (fdset_id_prev == mon_fdset_cur->id - 1) { | |
2520 | fdset_id_prev = mon_fdset_cur->id; | |
2521 | continue; | |
2522 | } | |
2523 | break; | |
2524 | } | |
2525 | } | |
2526 | ||
2527 | mon_fdset = g_malloc0(sizeof(*mon_fdset)); | |
2528 | if (has_fdset_id) { | |
2529 | mon_fdset->id = fdset_id; | |
2530 | } else { | |
2531 | mon_fdset->id = fdset_id_prev + 1; | |
2532 | } | |
2533 | ||
2534 | /* The fdset list is ordered by fdset ID */ | |
2535 | if (!mon_fdset_cur) { | |
2536 | QLIST_INSERT_HEAD(&mon_fdsets, mon_fdset, next); | |
2537 | } else if (mon_fdset->id < mon_fdset_cur->id) { | |
2538 | QLIST_INSERT_BEFORE(mon_fdset_cur, mon_fdset, next); | |
2539 | } else { | |
2540 | QLIST_INSERT_AFTER(mon_fdset_cur, mon_fdset, next); | |
2541 | } | |
2542 | } | |
2543 | ||
2544 | mon_fdset_fd = g_malloc0(sizeof(*mon_fdset_fd)); | |
2545 | mon_fdset_fd->fd = fd; | |
2546 | mon_fdset_fd->removed = false; | |
2547 | if (has_opaque) { | |
2548 | mon_fdset_fd->opaque = g_strdup(opaque); | |
2549 | } | |
2550 | QLIST_INSERT_HEAD(&mon_fdset->fds, mon_fdset_fd, next); | |
2551 | ||
2552 | fdinfo = g_malloc0(sizeof(*fdinfo)); | |
2553 | fdinfo->fdset_id = mon_fdset->id; | |
2554 | fdinfo->fd = mon_fdset_fd->fd; | |
2555 | ||
47451466 | 2556 | qemu_mutex_unlock(&mon_fdsets_lock); |
e446f70d CB |
2557 | return fdinfo; |
2558 | } | |
2559 | ||
adb696f3 CB |
2560 | int monitor_fdset_get_fd(int64_t fdset_id, int flags) |
2561 | { | |
47451466 PX |
2562 | #ifdef _WIN32 |
2563 | return -ENOENT; | |
2564 | #else | |
adb696f3 CB |
2565 | MonFdset *mon_fdset; |
2566 | MonFdsetFd *mon_fdset_fd; | |
2567 | int mon_fd_flags; | |
47451466 | 2568 | int ret; |
adb696f3 | 2569 | |
47451466 | 2570 | qemu_mutex_lock(&mon_fdsets_lock); |
adb696f3 CB |
2571 | QLIST_FOREACH(mon_fdset, &mon_fdsets, next) { |
2572 | if (mon_fdset->id != fdset_id) { | |
2573 | continue; | |
2574 | } | |
2575 | QLIST_FOREACH(mon_fdset_fd, &mon_fdset->fds, next) { | |
2576 | mon_fd_flags = fcntl(mon_fdset_fd->fd, F_GETFL); | |
2577 | if (mon_fd_flags == -1) { | |
47451466 PX |
2578 | ret = -errno; |
2579 | goto out; | |
adb696f3 CB |
2580 | } |
2581 | ||
2582 | if ((flags & O_ACCMODE) == (mon_fd_flags & O_ACCMODE)) { | |
47451466 PX |
2583 | ret = mon_fdset_fd->fd; |
2584 | goto out; | |
adb696f3 CB |
2585 | } |
2586 | } | |
47451466 PX |
2587 | ret = -EACCES; |
2588 | goto out; | |
adb696f3 | 2589 | } |
47451466 | 2590 | ret = -ENOENT; |
adb696f3 | 2591 | |
47451466 PX |
2592 | out: |
2593 | qemu_mutex_unlock(&mon_fdsets_lock); | |
2594 | return ret; | |
2595 | #endif | |
adb696f3 CB |
2596 | } |
2597 | ||
2598 | int monitor_fdset_dup_fd_add(int64_t fdset_id, int dup_fd) | |
2599 | { | |
2600 | MonFdset *mon_fdset; | |
2601 | MonFdsetFd *mon_fdset_fd_dup; | |
2602 | ||
47451466 | 2603 | qemu_mutex_lock(&mon_fdsets_lock); |
adb696f3 CB |
2604 | QLIST_FOREACH(mon_fdset, &mon_fdsets, next) { |
2605 | if (mon_fdset->id != fdset_id) { | |
2606 | continue; | |
2607 | } | |
2608 | QLIST_FOREACH(mon_fdset_fd_dup, &mon_fdset->dup_fds, next) { | |
2609 | if (mon_fdset_fd_dup->fd == dup_fd) { | |
47451466 | 2610 | goto err; |
adb696f3 CB |
2611 | } |
2612 | } | |
2613 | mon_fdset_fd_dup = g_malloc0(sizeof(*mon_fdset_fd_dup)); | |
2614 | mon_fdset_fd_dup->fd = dup_fd; | |
2615 | QLIST_INSERT_HEAD(&mon_fdset->dup_fds, mon_fdset_fd_dup, next); | |
47451466 | 2616 | qemu_mutex_unlock(&mon_fdsets_lock); |
adb696f3 CB |
2617 | return 0; |
2618 | } | |
47451466 PX |
2619 | |
2620 | err: | |
2621 | qemu_mutex_unlock(&mon_fdsets_lock); | |
adb696f3 CB |
2622 | return -1; |
2623 | } | |
2624 | ||
2625 | static int monitor_fdset_dup_fd_find_remove(int dup_fd, bool remove) | |
2626 | { | |
2627 | MonFdset *mon_fdset; | |
2628 | MonFdsetFd *mon_fdset_fd_dup; | |
2629 | ||
47451466 | 2630 | qemu_mutex_lock(&mon_fdsets_lock); |
adb696f3 CB |
2631 | QLIST_FOREACH(mon_fdset, &mon_fdsets, next) { |
2632 | QLIST_FOREACH(mon_fdset_fd_dup, &mon_fdset->dup_fds, next) { | |
2633 | if (mon_fdset_fd_dup->fd == dup_fd) { | |
2634 | if (remove) { | |
2635 | QLIST_REMOVE(mon_fdset_fd_dup, next); | |
2636 | if (QLIST_EMPTY(&mon_fdset->dup_fds)) { | |
2637 | monitor_fdset_cleanup(mon_fdset); | |
2638 | } | |
47451466 | 2639 | goto err; |
b3dd1b8c | 2640 | } else { |
47451466 | 2641 | qemu_mutex_unlock(&mon_fdsets_lock); |
b3dd1b8c | 2642 | return mon_fdset->id; |
adb696f3 | 2643 | } |
adb696f3 CB |
2644 | } |
2645 | } | |
2646 | } | |
47451466 PX |
2647 | |
2648 | err: | |
2649 | qemu_mutex_unlock(&mon_fdsets_lock); | |
adb696f3 CB |
2650 | return -1; |
2651 | } | |
2652 | ||
2653 | int monitor_fdset_dup_fd_find(int dup_fd) | |
2654 | { | |
2655 | return monitor_fdset_dup_fd_find_remove(dup_fd, false); | |
2656 | } | |
2657 | ||
b3dd1b8c | 2658 | void monitor_fdset_dup_fd_remove(int dup_fd) |
adb696f3 | 2659 | { |
b3dd1b8c | 2660 | monitor_fdset_dup_fd_find_remove(dup_fd, true); |
adb696f3 CB |
2661 | } |
2662 | ||
1677f4c6 | 2663 | int monitor_fd_param(Monitor *mon, const char *fdname, Error **errp) |
5906366e LE |
2664 | { |
2665 | int fd; | |
2666 | Error *local_err = NULL; | |
a96ed02f | 2667 | |
5906366e | 2668 | if (!qemu_isdigit(fdname[0]) && mon) { |
a9940fc4 | 2669 | fd = monitor_get_fd(mon, fdname, &local_err); |
5906366e LE |
2670 | } else { |
2671 | fd = qemu_parse_fd(fdname); | |
a96ed02f | 2672 | if (fd == -1) { |
5906366e LE |
2673 | error_setg(&local_err, "Invalid file descriptor number '%s'", |
2674 | fdname); | |
a96ed02f | 2675 | } |
5906366e LE |
2676 | } |
2677 | if (local_err) { | |
2678 | error_propagate(errp, local_err); | |
2679 | assert(fd == -1); | |
a96ed02f | 2680 | } else { |
5906366e | 2681 | assert(fd != -1); |
a96ed02f NB |
2682 | } |
2683 | ||
2684 | return fd; | |
2685 | } | |
2686 | ||
acd0a093 | 2687 | /* Please update hmp-commands.hx when adding or changing commands */ |
816f8925 | 2688 | static mon_cmd_t info_cmds[] = { |
da76ee76 PB |
2689 | #include "hmp-commands-info.h" |
2690 | { NULL, NULL, }, | |
9dc39cba FB |
2691 | }; |
2692 | ||
a13ced59 WX |
2693 | /* mon_cmds and info_cmds would be sorted at runtime */ |
2694 | static mon_cmd_t mon_cmds[] = { | |
2695 | #include "hmp-commands.h" | |
2696 | { NULL, NULL, }, | |
2697 | }; | |
2698 | ||
9307c4c1 FB |
2699 | /*******************************************************************/ |
2700 | ||
2701 | static const char *pch; | |
6ab7e546 | 2702 | static sigjmp_buf expr_env; |
9307c4c1 | 2703 | |
9307c4c1 | 2704 | |
9c3175cc SW |
2705 | static void GCC_FMT_ATTR(2, 3) QEMU_NORETURN |
2706 | expr_error(Monitor *mon, const char *fmt, ...) | |
9dc39cba | 2707 | { |
277acfe8 FZ |
2708 | va_list ap; |
2709 | va_start(ap, fmt); | |
2710 | monitor_vprintf(mon, fmt, ap); | |
2711 | monitor_printf(mon, "\n"); | |
2712 | va_end(ap); | |
6ab7e546 | 2713 | siglongjmp(expr_env, 1); |
9307c4c1 FB |
2714 | } |
2715 | ||
09b9418c | 2716 | /* return 0 if OK, -1 if not found */ |
92a31b1f | 2717 | static int get_monitor_def(target_long *pval, const char *name) |
9307c4c1 | 2718 | { |
bf957284 | 2719 | const MonitorDef *md = target_monitor_defs(); |
854e67fe | 2720 | CPUState *cs = mon_get_cpu(); |
92a31b1f | 2721 | void *ptr; |
0a9516c2 AK |
2722 | uint64_t tmp = 0; |
2723 | int ret; | |
92a31b1f | 2724 | |
854e67fe | 2725 | if (cs == NULL || md == NULL) { |
bf957284 PB |
2726 | return -1; |
2727 | } | |
2728 | ||
2729 | for(; md->name != NULL; md++) { | |
9307c4c1 FB |
2730 | if (compare_cmd(name, md->name)) { |
2731 | if (md->get_value) { | |
e95c8d51 | 2732 | *pval = md->get_value(md, md->offset); |
9307c4c1 | 2733 | } else { |
5bcda5f7 | 2734 | CPUArchState *env = mon_get_cpu_env(); |
6a00d601 | 2735 | ptr = (uint8_t *)env + md->offset; |
92a31b1f FB |
2736 | switch(md->type) { |
2737 | case MD_I32: | |
2738 | *pval = *(int32_t *)ptr; | |
2739 | break; | |
2740 | case MD_TLONG: | |
2741 | *pval = *(target_long *)ptr; | |
2742 | break; | |
2743 | default: | |
2744 | *pval = 0; | |
2745 | break; | |
2746 | } | |
9307c4c1 FB |
2747 | } |
2748 | return 0; | |
2749 | } | |
2750 | } | |
0a9516c2 | 2751 | |
854e67fe | 2752 | ret = target_get_monitor_def(cs, name, &tmp); |
0a9516c2 AK |
2753 | if (!ret) { |
2754 | *pval = (target_long) tmp; | |
2755 | } | |
2756 | ||
2757 | return ret; | |
9307c4c1 FB |
2758 | } |
2759 | ||
2760 | static void next(void) | |
2761 | { | |
660f11be | 2762 | if (*pch != '\0') { |
9307c4c1 | 2763 | pch++; |
cd390083 | 2764 | while (qemu_isspace(*pch)) |
9307c4c1 FB |
2765 | pch++; |
2766 | } | |
2767 | } | |
2768 | ||
376253ec | 2769 | static int64_t expr_sum(Monitor *mon); |
9307c4c1 | 2770 | |
376253ec | 2771 | static int64_t expr_unary(Monitor *mon) |
9307c4c1 | 2772 | { |
c2efc95d | 2773 | int64_t n; |
9307c4c1 | 2774 | char *p; |
6a00d601 | 2775 | int ret; |
9307c4c1 FB |
2776 | |
2777 | switch(*pch) { | |
2778 | case '+': | |
2779 | next(); | |
376253ec | 2780 | n = expr_unary(mon); |
9307c4c1 FB |
2781 | break; |
2782 | case '-': | |
2783 | next(); | |
376253ec | 2784 | n = -expr_unary(mon); |
9307c4c1 FB |
2785 | break; |
2786 | case '~': | |
2787 | next(); | |
376253ec | 2788 | n = ~expr_unary(mon); |
9307c4c1 FB |
2789 | break; |
2790 | case '(': | |
2791 | next(); | |
376253ec | 2792 | n = expr_sum(mon); |
9307c4c1 | 2793 | if (*pch != ')') { |
376253ec | 2794 | expr_error(mon, "')' expected"); |
9307c4c1 FB |
2795 | } |
2796 | next(); | |
2797 | break; | |
81d0912d FB |
2798 | case '\'': |
2799 | pch++; | |
2800 | if (*pch == '\0') | |
376253ec | 2801 | expr_error(mon, "character constant expected"); |
81d0912d FB |
2802 | n = *pch; |
2803 | pch++; | |
2804 | if (*pch != '\'') | |
376253ec | 2805 | expr_error(mon, "missing terminating \' character"); |
81d0912d FB |
2806 | next(); |
2807 | break; | |
9307c4c1 FB |
2808 | case '$': |
2809 | { | |
2810 | char buf[128], *q; | |
69b34976 | 2811 | target_long reg=0; |
3b46e624 | 2812 | |
9307c4c1 FB |
2813 | pch++; |
2814 | q = buf; | |
2815 | while ((*pch >= 'a' && *pch <= 'z') || | |
2816 | (*pch >= 'A' && *pch <= 'Z') || | |
2817 | (*pch >= '0' && *pch <= '9') || | |
57206fd4 | 2818 | *pch == '_' || *pch == '.') { |
9307c4c1 FB |
2819 | if ((q - buf) < sizeof(buf) - 1) |
2820 | *q++ = *pch; | |
2821 | pch++; | |
2822 | } | |
cd390083 | 2823 | while (qemu_isspace(*pch)) |
9307c4c1 FB |
2824 | pch++; |
2825 | *q = 0; | |
7743e588 | 2826 | ret = get_monitor_def(®, buf); |
09b9418c | 2827 | if (ret < 0) |
376253ec | 2828 | expr_error(mon, "unknown register"); |
7743e588 | 2829 | n = reg; |
9307c4c1 FB |
2830 | } |
2831 | break; | |
2832 | case '\0': | |
376253ec | 2833 | expr_error(mon, "unexpected end of expression"); |
9307c4c1 FB |
2834 | n = 0; |
2835 | break; | |
2836 | default: | |
6b0e33be | 2837 | errno = 0; |
4f4fbf77 | 2838 | n = strtoull(pch, &p, 0); |
6b0e33be LC |
2839 | if (errno == ERANGE) { |
2840 | expr_error(mon, "number too large"); | |
2841 | } | |
9307c4c1 | 2842 | if (pch == p) { |
277acfe8 | 2843 | expr_error(mon, "invalid char '%c' in expression", *p); |
9307c4c1 FB |
2844 | } |
2845 | pch = p; | |
cd390083 | 2846 | while (qemu_isspace(*pch)) |
9307c4c1 FB |
2847 | pch++; |
2848 | break; | |
2849 | } | |
2850 | return n; | |
2851 | } | |
2852 | ||
2853 | ||
376253ec | 2854 | static int64_t expr_prod(Monitor *mon) |
9307c4c1 | 2855 | { |
c2efc95d | 2856 | int64_t val, val2; |
92a31b1f | 2857 | int op; |
3b46e624 | 2858 | |
376253ec | 2859 | val = expr_unary(mon); |
9307c4c1 FB |
2860 | for(;;) { |
2861 | op = *pch; | |
2862 | if (op != '*' && op != '/' && op != '%') | |
2863 | break; | |
2864 | next(); | |
376253ec | 2865 | val2 = expr_unary(mon); |
9307c4c1 FB |
2866 | switch(op) { |
2867 | default: | |
2868 | case '*': | |
2869 | val *= val2; | |
2870 | break; | |
2871 | case '/': | |
2872 | case '%': | |
5fafdf24 | 2873 | if (val2 == 0) |
376253ec | 2874 | expr_error(mon, "division by zero"); |
9307c4c1 FB |
2875 | if (op == '/') |
2876 | val /= val2; | |
2877 | else | |
2878 | val %= val2; | |
2879 | break; | |
2880 | } | |
2881 | } | |
2882 | return val; | |
2883 | } | |
2884 | ||
376253ec | 2885 | static int64_t expr_logic(Monitor *mon) |
9307c4c1 | 2886 | { |
c2efc95d | 2887 | int64_t val, val2; |
92a31b1f | 2888 | int op; |
9307c4c1 | 2889 | |
376253ec | 2890 | val = expr_prod(mon); |
9307c4c1 FB |
2891 | for(;;) { |
2892 | op = *pch; | |
2893 | if (op != '&' && op != '|' && op != '^') | |
2894 | break; | |
2895 | next(); | |
376253ec | 2896 | val2 = expr_prod(mon); |
9307c4c1 FB |
2897 | switch(op) { |
2898 | default: | |
2899 | case '&': | |
2900 | val &= val2; | |
2901 | break; | |
2902 | case '|': | |
2903 | val |= val2; | |
2904 | break; | |
2905 | case '^': | |
2906 | val ^= val2; | |
2907 | break; | |
2908 | } | |
2909 | } | |
2910 | return val; | |
2911 | } | |
2912 | ||
376253ec | 2913 | static int64_t expr_sum(Monitor *mon) |
9307c4c1 | 2914 | { |
c2efc95d | 2915 | int64_t val, val2; |
92a31b1f | 2916 | int op; |
9307c4c1 | 2917 | |
376253ec | 2918 | val = expr_logic(mon); |
9307c4c1 FB |
2919 | for(;;) { |
2920 | op = *pch; | |
2921 | if (op != '+' && op != '-') | |
2922 | break; | |
2923 | next(); | |
376253ec | 2924 | val2 = expr_logic(mon); |
9307c4c1 FB |
2925 | if (op == '+') |
2926 | val += val2; | |
2927 | else | |
2928 | val -= val2; | |
2929 | } | |
2930 | return val; | |
2931 | } | |
2932 | ||
376253ec | 2933 | static int get_expr(Monitor *mon, int64_t *pval, const char **pp) |
9307c4c1 FB |
2934 | { |
2935 | pch = *pp; | |
6ab7e546 | 2936 | if (sigsetjmp(expr_env, 0)) { |
9307c4c1 FB |
2937 | *pp = pch; |
2938 | return -1; | |
2939 | } | |
cd390083 | 2940 | while (qemu_isspace(*pch)) |
9307c4c1 | 2941 | pch++; |
376253ec | 2942 | *pval = expr_sum(mon); |
9307c4c1 FB |
2943 | *pp = pch; |
2944 | return 0; | |
2945 | } | |
2946 | ||
3350a4dd MA |
2947 | static int get_double(Monitor *mon, double *pval, const char **pp) |
2948 | { | |
2949 | const char *p = *pp; | |
2950 | char *tailp; | |
2951 | double d; | |
2952 | ||
2953 | d = strtod(p, &tailp); | |
2954 | if (tailp == p) { | |
2955 | monitor_printf(mon, "Number expected\n"); | |
2956 | return -1; | |
2957 | } | |
2958 | if (d != d || d - d != 0) { | |
2959 | /* NaN or infinity */ | |
2960 | monitor_printf(mon, "Bad number\n"); | |
2961 | return -1; | |
2962 | } | |
2963 | *pval = d; | |
2964 | *pp = tailp; | |
2965 | return 0; | |
2966 | } | |
2967 | ||
4590fd80 LC |
2968 | /* |
2969 | * Store the command-name in cmdname, and return a pointer to | |
2970 | * the remaining of the command string. | |
2971 | */ | |
2972 | static const char *get_command_name(const char *cmdline, | |
2973 | char *cmdname, size_t nlen) | |
2974 | { | |
2975 | size_t len; | |
2976 | const char *p, *pstart; | |
2977 | ||
2978 | p = cmdline; | |
2979 | while (qemu_isspace(*p)) | |
2980 | p++; | |
2981 | if (*p == '\0') | |
2982 | return NULL; | |
2983 | pstart = p; | |
2984 | while (*p != '\0' && *p != '/' && !qemu_isspace(*p)) | |
2985 | p++; | |
2986 | len = p - pstart; | |
2987 | if (len > nlen - 1) | |
2988 | len = nlen - 1; | |
2989 | memcpy(cmdname, pstart, len); | |
2990 | cmdname[len] = '\0'; | |
2991 | return p; | |
2992 | } | |
2993 | ||
4d76d2ba LC |
2994 | /** |
2995 | * Read key of 'type' into 'key' and return the current | |
2996 | * 'type' pointer. | |
2997 | */ | |
2998 | static char *key_get_info(const char *type, char **key) | |
2999 | { | |
3000 | size_t len; | |
3001 | char *p, *str; | |
3002 | ||
3003 | if (*type == ',') | |
3004 | type++; | |
3005 | ||
3006 | p = strchr(type, ':'); | |
3007 | if (!p) { | |
3008 | *key = NULL; | |
3009 | return NULL; | |
3010 | } | |
3011 | len = p - type; | |
3012 | ||
7267c094 | 3013 | str = g_malloc(len + 1); |
4d76d2ba LC |
3014 | memcpy(str, type, len); |
3015 | str[len] = '\0'; | |
3016 | ||
3017 | *key = str; | |
3018 | return ++p; | |
3019 | } | |
3020 | ||
9307c4c1 FB |
3021 | static int default_fmt_format = 'x'; |
3022 | static int default_fmt_size = 4; | |
3023 | ||
fbc3d96c LS |
3024 | static int is_valid_option(const char *c, const char *typestr) |
3025 | { | |
3026 | char option[3]; | |
3027 | ||
3028 | option[0] = '-'; | |
3029 | option[1] = *c; | |
3030 | option[2] = '\0'; | |
3031 | ||
3032 | typestr = strstr(typestr, option); | |
3033 | return (typestr != NULL); | |
3034 | } | |
3035 | ||
945c5ac8 LC |
3036 | static const mon_cmd_t *search_dispatch_table(const mon_cmd_t *disp_table, |
3037 | const char *cmdname) | |
7fd669a1 LC |
3038 | { |
3039 | const mon_cmd_t *cmd; | |
3040 | ||
945c5ac8 | 3041 | for (cmd = disp_table; cmd->name != NULL; cmd++) { |
7fd669a1 LC |
3042 | if (compare_cmd(cmdname, cmd->name)) { |
3043 | return cmd; | |
3044 | } | |
3045 | } | |
3046 | ||
3047 | return NULL; | |
3048 | } | |
3049 | ||
5f3d335f | 3050 | /* |
ae50212f BD |
3051 | * Parse command name from @cmdp according to command table @table. |
3052 | * If blank, return NULL. | |
3053 | * Else, if no valid command can be found, report to @mon, and return | |
3054 | * NULL. | |
3055 | * Else, change @cmdp to point right behind the name, and return its | |
3056 | * command table entry. | |
3057 | * Do not assume the return value points into @table! It doesn't when | |
3058 | * the command is found in a sub-command table. | |
5f3d335f | 3059 | */ |
c227f099 | 3060 | static const mon_cmd_t *monitor_parse_command(Monitor *mon, |
250b8197 | 3061 | const char *cmdp_start, |
ae50212f BD |
3062 | const char **cmdp, |
3063 | mon_cmd_t *table) | |
9307c4c1 | 3064 | { |
ae50212f | 3065 | const char *p; |
c227f099 | 3066 | const mon_cmd_t *cmd; |
9307c4c1 | 3067 | char cmdname[256]; |
9dc39cba | 3068 | |
9307c4c1 | 3069 | /* extract the command name */ |
ae50212f | 3070 | p = get_command_name(*cmdp, cmdname, sizeof(cmdname)); |
4590fd80 | 3071 | if (!p) |
55f81d96 | 3072 | return NULL; |
3b46e624 | 3073 | |
5f3d335f | 3074 | cmd = search_dispatch_table(table, cmdname); |
7fd669a1 | 3075 | if (!cmd) { |
5f3d335f | 3076 | monitor_printf(mon, "unknown command: '%.*s'\n", |
250b8197 | 3077 | (int)(p - cmdp_start), cmdp_start); |
55f81d96 | 3078 | return NULL; |
9307c4c1 | 3079 | } |
c3120f71 DDAG |
3080 | if (runstate_check(RUN_STATE_PRECONFIG) && !cmd_can_preconfig(cmd)) { |
3081 | monitor_printf(mon, "Command '%.*s' not available with -preconfig " | |
3082 | "until after exit_preconfig.\n", | |
3083 | (int)(p - cmdp_start), cmdp_start); | |
3084 | return NULL; | |
3085 | } | |
9307c4c1 | 3086 | |
5f3d335f WX |
3087 | /* filter out following useless space */ |
3088 | while (qemu_isspace(*p)) { | |
3089 | p++; | |
3090 | } | |
ae50212f BD |
3091 | |
3092 | *cmdp = p; | |
5f3d335f | 3093 | /* search sub command */ |
ae50212f | 3094 | if (cmd->sub_table != NULL && *p != '\0') { |
250b8197 | 3095 | return monitor_parse_command(mon, cmdp_start, cmdp, cmd->sub_table); |
5f3d335f WX |
3096 | } |
3097 | ||
ae50212f BD |
3098 | return cmd; |
3099 | } | |
3100 | ||
3101 | /* | |
3102 | * Parse arguments for @cmd. | |
3103 | * If it can't be parsed, report to @mon, and return NULL. | |
3104 | * Else, insert command arguments into a QDict, and return it. | |
3105 | * Note: On success, caller has to free the QDict structure. | |
3106 | */ | |
3107 | ||
3108 | static QDict *monitor_parse_arguments(Monitor *mon, | |
3109 | const char **endp, | |
3110 | const mon_cmd_t *cmd) | |
3111 | { | |
3112 | const char *typestr; | |
3113 | char *key; | |
3114 | int c; | |
3115 | const char *p = *endp; | |
3116 | char buf[1024]; | |
3117 | QDict *qdict = qdict_new(); | |
3118 | ||
9307c4c1 FB |
3119 | /* parse the parameters */ |
3120 | typestr = cmd->args_type; | |
9dc39cba | 3121 | for(;;) { |
4d76d2ba LC |
3122 | typestr = key_get_info(typestr, &key); |
3123 | if (!typestr) | |
9dc39cba | 3124 | break; |
4d76d2ba | 3125 | c = *typestr; |
9307c4c1 FB |
3126 | typestr++; |
3127 | switch(c) { | |
3128 | case 'F': | |
81d0912d | 3129 | case 'B': |
9307c4c1 FB |
3130 | case 's': |
3131 | { | |
3132 | int ret; | |
3b46e624 | 3133 | |
cd390083 | 3134 | while (qemu_isspace(*p)) |
9307c4c1 FB |
3135 | p++; |
3136 | if (*typestr == '?') { | |
3137 | typestr++; | |
3138 | if (*p == '\0') { | |
3139 | /* no optional string: NULL argument */ | |
53773581 | 3140 | break; |
9307c4c1 FB |
3141 | } |
3142 | } | |
3143 | ret = get_str(buf, sizeof(buf), &p); | |
3144 | if (ret < 0) { | |
81d0912d FB |
3145 | switch(c) { |
3146 | case 'F': | |
376253ec | 3147 | monitor_printf(mon, "%s: filename expected\n", |
ae50212f | 3148 | cmd->name); |
81d0912d FB |
3149 | break; |
3150 | case 'B': | |
376253ec | 3151 | monitor_printf(mon, "%s: block device name expected\n", |
ae50212f | 3152 | cmd->name); |
81d0912d FB |
3153 | break; |
3154 | default: | |
ae50212f | 3155 | monitor_printf(mon, "%s: string expected\n", cmd->name); |
81d0912d FB |
3156 | break; |
3157 | } | |
9307c4c1 FB |
3158 | goto fail; |
3159 | } | |
46f5ac20 | 3160 | qdict_put_str(qdict, key, buf); |
9307c4c1 | 3161 | } |
9dc39cba | 3162 | break; |
361127df MA |
3163 | case 'O': |
3164 | { | |
3165 | QemuOptsList *opts_list; | |
3166 | QemuOpts *opts; | |
3167 | ||
3168 | opts_list = qemu_find_opts(key); | |
3169 | if (!opts_list || opts_list->desc->name) { | |
3170 | goto bad_type; | |
3171 | } | |
3172 | while (qemu_isspace(*p)) { | |
3173 | p++; | |
3174 | } | |
3175 | if (!*p) | |
3176 | break; | |
3177 | if (get_str(buf, sizeof(buf), &p) < 0) { | |
3178 | goto fail; | |
3179 | } | |
70b94331 | 3180 | opts = qemu_opts_parse_noisily(opts_list, buf, true); |
361127df MA |
3181 | if (!opts) { |
3182 | goto fail; | |
3183 | } | |
3184 | qemu_opts_to_qdict(opts, qdict); | |
3185 | qemu_opts_del(opts); | |
3186 | } | |
3187 | break; | |
9307c4c1 FB |
3188 | case '/': |
3189 | { | |
3190 | int count, format, size; | |
3b46e624 | 3191 | |
cd390083 | 3192 | while (qemu_isspace(*p)) |
9307c4c1 FB |
3193 | p++; |
3194 | if (*p == '/') { | |
3195 | /* format found */ | |
3196 | p++; | |
3197 | count = 1; | |
cd390083 | 3198 | if (qemu_isdigit(*p)) { |
9307c4c1 | 3199 | count = 0; |
cd390083 | 3200 | while (qemu_isdigit(*p)) { |
9307c4c1 FB |
3201 | count = count * 10 + (*p - '0'); |
3202 | p++; | |
3203 | } | |
3204 | } | |
3205 | size = -1; | |
3206 | format = -1; | |
3207 | for(;;) { | |
3208 | switch(*p) { | |
3209 | case 'o': | |
3210 | case 'd': | |
3211 | case 'u': | |
3212 | case 'x': | |
3213 | case 'i': | |
3214 | case 'c': | |
3215 | format = *p++; | |
3216 | break; | |
3217 | case 'b': | |
3218 | size = 1; | |
3219 | p++; | |
3220 | break; | |
3221 | case 'h': | |
3222 | size = 2; | |
3223 | p++; | |
3224 | break; | |
3225 | case 'w': | |
3226 | size = 4; | |
3227 | p++; | |
3228 | break; | |
3229 | case 'g': | |
3230 | case 'L': | |
3231 | size = 8; | |
3232 | p++; | |
3233 | break; | |
3234 | default: | |
3235 | goto next; | |
3236 | } | |
3237 | } | |
3238 | next: | |
cd390083 | 3239 | if (*p != '\0' && !qemu_isspace(*p)) { |
376253ec AL |
3240 | monitor_printf(mon, "invalid char in format: '%c'\n", |
3241 | *p); | |
9307c4c1 FB |
3242 | goto fail; |
3243 | } | |
9307c4c1 FB |
3244 | if (format < 0) |
3245 | format = default_fmt_format; | |
4c27ba27 FB |
3246 | if (format != 'i') { |
3247 | /* for 'i', not specifying a size gives -1 as size */ | |
3248 | if (size < 0) | |
3249 | size = default_fmt_size; | |
e90f009b | 3250 | default_fmt_size = size; |
4c27ba27 | 3251 | } |
9307c4c1 FB |
3252 | default_fmt_format = format; |
3253 | } else { | |
3254 | count = 1; | |
3255 | format = default_fmt_format; | |
4c27ba27 FB |
3256 | if (format != 'i') { |
3257 | size = default_fmt_size; | |
3258 | } else { | |
3259 | size = -1; | |
3260 | } | |
9307c4c1 | 3261 | } |
46f5ac20 EB |
3262 | qdict_put_int(qdict, "count", count); |
3263 | qdict_put_int(qdict, "format", format); | |
3264 | qdict_put_int(qdict, "size", size); | |
9307c4c1 | 3265 | } |
9dc39cba | 3266 | break; |
9307c4c1 | 3267 | case 'i': |
92a31b1f | 3268 | case 'l': |
b6e098d7 | 3269 | case 'M': |
9307c4c1 | 3270 | { |
c2efc95d | 3271 | int64_t val; |
7743e588 | 3272 | |
cd390083 | 3273 | while (qemu_isspace(*p)) |
9307c4c1 | 3274 | p++; |
3440557b | 3275 | if (*typestr == '?' || *typestr == '.') { |
3440557b | 3276 | if (*typestr == '?') { |
53773581 LC |
3277 | if (*p == '\0') { |
3278 | typestr++; | |
3279 | break; | |
3280 | } | |
3440557b FB |
3281 | } else { |
3282 | if (*p == '.') { | |
3283 | p++; | |
cd390083 | 3284 | while (qemu_isspace(*p)) |
3440557b | 3285 | p++; |
3440557b | 3286 | } else { |
53773581 LC |
3287 | typestr++; |
3288 | break; | |
3440557b FB |
3289 | } |
3290 | } | |
13224a87 | 3291 | typestr++; |
9307c4c1 | 3292 | } |
376253ec | 3293 | if (get_expr(mon, &val, &p)) |
9307c4c1 | 3294 | goto fail; |
675ebef9 LC |
3295 | /* Check if 'i' is greater than 32-bit */ |
3296 | if ((c == 'i') && ((val >> 32) & 0xffffffff)) { | |
ae50212f | 3297 | monitor_printf(mon, "\'%s\' has failed: ", cmd->name); |
675ebef9 LC |
3298 | monitor_printf(mon, "integer is for 32-bit values\n"); |
3299 | goto fail; | |
b6e098d7 | 3300 | } else if (c == 'M') { |
91162849 LC |
3301 | if (val < 0) { |
3302 | monitor_printf(mon, "enter a positive value\n"); | |
3303 | goto fail; | |
3304 | } | |
8ec338ac | 3305 | val *= MiB; |
675ebef9 | 3306 | } |
46f5ac20 | 3307 | qdict_put_int(qdict, key, val); |
9307c4c1 FB |
3308 | } |
3309 | break; | |
dbc0c67f JS |
3310 | case 'o': |
3311 | { | |
f17fd4fd | 3312 | int ret; |
f46bfdbf | 3313 | uint64_t val; |
dbc0c67f JS |
3314 | char *end; |
3315 | ||
3316 | while (qemu_isspace(*p)) { | |
3317 | p++; | |
3318 | } | |
3319 | if (*typestr == '?') { | |
3320 | typestr++; | |
3321 | if (*p == '\0') { | |
3322 | break; | |
3323 | } | |
3324 | } | |
f17fd4fd | 3325 | ret = qemu_strtosz_MiB(p, &end, &val); |
f46bfdbf | 3326 | if (ret < 0 || val > INT64_MAX) { |
dbc0c67f JS |
3327 | monitor_printf(mon, "invalid size\n"); |
3328 | goto fail; | |
3329 | } | |
46f5ac20 | 3330 | qdict_put_int(qdict, key, val); |
dbc0c67f JS |
3331 | p = end; |
3332 | } | |
3333 | break; | |
fccfb11e | 3334 | case 'T': |
3350a4dd MA |
3335 | { |
3336 | double val; | |
3337 | ||
3338 | while (qemu_isspace(*p)) | |
3339 | p++; | |
3340 | if (*typestr == '?') { | |
3341 | typestr++; | |
3342 | if (*p == '\0') { | |
3343 | break; | |
3344 | } | |
3345 | } | |
3346 | if (get_double(mon, &val, &p) < 0) { | |
3347 | goto fail; | |
3348 | } | |
07de3e60 | 3349 | if (p[0] && p[1] == 's') { |
fccfb11e MA |
3350 | switch (*p) { |
3351 | case 'm': | |
3352 | val /= 1e3; p += 2; break; | |
3353 | case 'u': | |
3354 | val /= 1e6; p += 2; break; | |
3355 | case 'n': | |
3356 | val /= 1e9; p += 2; break; | |
3357 | } | |
3358 | } | |
3350a4dd MA |
3359 | if (*p && !qemu_isspace(*p)) { |
3360 | monitor_printf(mon, "Unknown unit suffix\n"); | |
3361 | goto fail; | |
3362 | } | |
01b2ffce | 3363 | qdict_put(qdict, key, qnum_from_double(val)); |
3350a4dd MA |
3364 | } |
3365 | break; | |
942cd1f2 MA |
3366 | case 'b': |
3367 | { | |
3368 | const char *beg; | |
fc48ffc3 | 3369 | bool val; |
942cd1f2 MA |
3370 | |
3371 | while (qemu_isspace(*p)) { | |
3372 | p++; | |
3373 | } | |
3374 | beg = p; | |
3375 | while (qemu_isgraph(*p)) { | |
3376 | p++; | |
3377 | } | |
3378 | if (p - beg == 2 && !memcmp(beg, "on", p - beg)) { | |
fc48ffc3 | 3379 | val = true; |
942cd1f2 | 3380 | } else if (p - beg == 3 && !memcmp(beg, "off", p - beg)) { |
fc48ffc3 | 3381 | val = false; |
942cd1f2 MA |
3382 | } else { |
3383 | monitor_printf(mon, "Expected 'on' or 'off'\n"); | |
3384 | goto fail; | |
3385 | } | |
46f5ac20 | 3386 | qdict_put_bool(qdict, key, val); |
942cd1f2 MA |
3387 | } |
3388 | break; | |
9307c4c1 FB |
3389 | case '-': |
3390 | { | |
fbc3d96c | 3391 | const char *tmp = p; |
eb159d13 | 3392 | int skip_key = 0; |
9307c4c1 | 3393 | /* option */ |
3b46e624 | 3394 | |
9307c4c1 FB |
3395 | c = *typestr++; |
3396 | if (c == '\0') | |
3397 | goto bad_type; | |
cd390083 | 3398 | while (qemu_isspace(*p)) |
9307c4c1 | 3399 | p++; |
9307c4c1 FB |
3400 | if (*p == '-') { |
3401 | p++; | |
fbc3d96c LS |
3402 | if(c != *p) { |
3403 | if(!is_valid_option(p, typestr)) { | |
3404 | ||
3405 | monitor_printf(mon, "%s: unsupported option -%c\n", | |
ae50212f | 3406 | cmd->name, *p); |
fbc3d96c LS |
3407 | goto fail; |
3408 | } else { | |
3409 | skip_key = 1; | |
3410 | } | |
3411 | } | |
3412 | if(skip_key) { | |
3413 | p = tmp; | |
3414 | } else { | |
eb159d13 | 3415 | /* has option */ |
fbc3d96c | 3416 | p++; |
46f5ac20 | 3417 | qdict_put_bool(qdict, key, true); |
9307c4c1 | 3418 | } |
9307c4c1 | 3419 | } |
9307c4c1 FB |
3420 | } |
3421 | break; | |
129be006 WX |
3422 | case 'S': |
3423 | { | |
3424 | /* package all remaining string */ | |
3425 | int len; | |
3426 | ||
3427 | while (qemu_isspace(*p)) { | |
3428 | p++; | |
3429 | } | |
3430 | if (*typestr == '?') { | |
3431 | typestr++; | |
3432 | if (*p == '\0') { | |
3433 | /* no remaining string: NULL argument */ | |
3434 | break; | |
3435 | } | |
3436 | } | |
3437 | len = strlen(p); | |
3438 | if (len <= 0) { | |
3439 | monitor_printf(mon, "%s: string expected\n", | |
ae50212f | 3440 | cmd->name); |
e549d2aa | 3441 | goto fail; |
129be006 | 3442 | } |
46f5ac20 | 3443 | qdict_put_str(qdict, key, p); |
129be006 WX |
3444 | p += len; |
3445 | } | |
3446 | break; | |
9307c4c1 FB |
3447 | default: |
3448 | bad_type: | |
ae50212f | 3449 | monitor_printf(mon, "%s: unknown type '%c'\n", cmd->name, c); |
9307c4c1 FB |
3450 | goto fail; |
3451 | } | |
7267c094 | 3452 | g_free(key); |
4d76d2ba | 3453 | key = NULL; |
9dc39cba | 3454 | } |
9307c4c1 | 3455 | /* check that all arguments were parsed */ |
cd390083 | 3456 | while (qemu_isspace(*p)) |
9307c4c1 FB |
3457 | p++; |
3458 | if (*p != '\0') { | |
376253ec | 3459 | monitor_printf(mon, "%s: extraneous characters at the end of line\n", |
ae50212f | 3460 | cmd->name); |
9307c4c1 | 3461 | goto fail; |
9dc39cba | 3462 | } |
9307c4c1 | 3463 | |
ae50212f | 3464 | return qdict; |
ac7531ec | 3465 | |
55f81d96 | 3466 | fail: |
cb3e7f08 | 3467 | qobject_unref(qdict); |
7267c094 | 3468 | g_free(key); |
55f81d96 LC |
3469 | return NULL; |
3470 | } | |
3471 | ||
7ef6cf63 | 3472 | static void handle_hmp_command(Monitor *mon, const char *cmdline) |
55f81d96 | 3473 | { |
55f81d96 | 3474 | QDict *qdict; |
c227f099 | 3475 | const mon_cmd_t *cmd; |
317c52cc | 3476 | const char *cmd_start = cmdline; |
55f81d96 | 3477 | |
79cad8b4 SH |
3478 | trace_handle_hmp_command(mon, cmdline); |
3479 | ||
250b8197 | 3480 | cmd = monitor_parse_command(mon, cmdline, &cmdline, mon->cmd_table); |
ae50212f BD |
3481 | if (!cmd) { |
3482 | return; | |
3483 | } | |
55f81d96 | 3484 | |
ae50212f BD |
3485 | qdict = monitor_parse_arguments(mon, &cmdline, cmd); |
3486 | if (!qdict) { | |
317c52cc CW |
3487 | while (cmdline > cmd_start && qemu_isspace(cmdline[-1])) { |
3488 | cmdline--; | |
3489 | } | |
3490 | monitor_printf(mon, "Try \"help %.*s\" for more information\n", | |
3491 | (int)(cmdline - cmd_start), cmd_start); | |
ae50212f | 3492 | return; |
55f81d96 LC |
3493 | } |
3494 | ||
2b9e3576 | 3495 | cmd->cmd(mon, qdict); |
cb3e7f08 | 3496 | qobject_unref(qdict); |
9dc39cba FB |
3497 | } |
3498 | ||
cd5c6bba | 3499 | static void cmd_completion(Monitor *mon, const char *name, const char *list) |
81d0912d FB |
3500 | { |
3501 | const char *p, *pstart; | |
3502 | char cmd[128]; | |
3503 | int len; | |
3504 | ||
3505 | p = list; | |
3506 | for(;;) { | |
3507 | pstart = p; | |
5c99fa37 | 3508 | p = qemu_strchrnul(p, '|'); |
81d0912d FB |
3509 | len = p - pstart; |
3510 | if (len > sizeof(cmd) - 2) | |
3511 | len = sizeof(cmd) - 2; | |
3512 | memcpy(cmd, pstart, len); | |
3513 | cmd[len] = '\0'; | |
3514 | if (name[0] == '\0' || !strncmp(name, cmd, strlen(name))) { | |
cd5c6bba | 3515 | readline_add_completion(mon->rs, cmd); |
81d0912d FB |
3516 | } |
3517 | if (*p == '\0') | |
3518 | break; | |
3519 | p++; | |
3520 | } | |
3521 | } | |
3522 | ||
cb8f68b1 | 3523 | static void file_completion(Monitor *mon, const char *input) |
81d0912d FB |
3524 | { |
3525 | DIR *ffs; | |
3526 | struct dirent *d; | |
3527 | char path[1024]; | |
3528 | char file[1024], file_prefix[1024]; | |
3529 | int input_path_len; | |
3530 | const char *p; | |
3531 | ||
5fafdf24 | 3532 | p = strrchr(input, '/'); |
81d0912d FB |
3533 | if (!p) { |
3534 | input_path_len = 0; | |
3535 | pstrcpy(file_prefix, sizeof(file_prefix), input); | |
363a37d5 | 3536 | pstrcpy(path, sizeof(path), "."); |
81d0912d FB |
3537 | } else { |
3538 | input_path_len = p - input + 1; | |
3539 | memcpy(path, input, input_path_len); | |
3540 | if (input_path_len > sizeof(path) - 1) | |
3541 | input_path_len = sizeof(path) - 1; | |
3542 | path[input_path_len] = '\0'; | |
3543 | pstrcpy(file_prefix, sizeof(file_prefix), p + 1); | |
3544 | } | |
19f2db5c | 3545 | |
81d0912d FB |
3546 | ffs = opendir(path); |
3547 | if (!ffs) | |
3548 | return; | |
3549 | for(;;) { | |
3550 | struct stat sb; | |
3551 | d = readdir(ffs); | |
3552 | if (!d) | |
3553 | break; | |
46c7fc18 KK |
3554 | |
3555 | if (strcmp(d->d_name, ".") == 0 || strcmp(d->d_name, "..") == 0) { | |
3556 | continue; | |
3557 | } | |
3558 | ||
81d0912d FB |
3559 | if (strstart(d->d_name, file_prefix, NULL)) { |
3560 | memcpy(file, input, input_path_len); | |
363a37d5 BS |
3561 | if (input_path_len < sizeof(file)) |
3562 | pstrcpy(file + input_path_len, sizeof(file) - input_path_len, | |
3563 | d->d_name); | |
81d0912d FB |
3564 | /* stat the file to find out if it's a directory. |
3565 | * In that case add a slash to speed up typing long paths | |
3566 | */ | |
c951d9a6 | 3567 | if (stat(file, &sb) == 0 && S_ISDIR(sb.st_mode)) { |
363a37d5 | 3568 | pstrcat(file, sizeof(file), "/"); |
c951d9a6 | 3569 | } |
cb8f68b1 | 3570 | readline_add_completion(mon->rs, file); |
81d0912d FB |
3571 | } |
3572 | } | |
3573 | closedir(ffs); | |
3574 | } | |
3575 | ||
4d76d2ba LC |
3576 | static const char *next_arg_type(const char *typestr) |
3577 | { | |
3578 | const char *p = strchr(typestr, ':'); | |
3579 | return (p != NULL ? ++p : typestr); | |
3580 | } | |
3581 | ||
40d19394 HB |
3582 | static void add_completion_option(ReadLineState *rs, const char *str, |
3583 | const char *option) | |
3584 | { | |
3585 | if (!str || !option) { | |
3586 | return; | |
3587 | } | |
3588 | if (!strncmp(option, str, strlen(str))) { | |
3589 | readline_add_completion(rs, option); | |
3590 | } | |
3591 | } | |
3592 | ||
13e315da HB |
3593 | void chardev_add_completion(ReadLineState *rs, int nb_args, const char *str) |
3594 | { | |
3595 | size_t len; | |
3596 | ChardevBackendInfoList *list, *start; | |
3597 | ||
3598 | if (nb_args != 2) { | |
3599 | return; | |
3600 | } | |
3601 | len = strlen(str); | |
3602 | readline_set_completion_index(rs, len); | |
3603 | ||
3604 | start = list = qmp_query_chardev_backends(NULL); | |
3605 | while (list) { | |
3606 | const char *chr_name = list->value->name; | |
3607 | ||
3608 | if (!strncmp(chr_name, str, len)) { | |
3609 | readline_add_completion(rs, chr_name); | |
3610 | } | |
3611 | list = list->next; | |
3612 | } | |
3613 | qapi_free_ChardevBackendInfoList(start); | |
3614 | } | |
3615 | ||
b162b49a HB |
3616 | void netdev_add_completion(ReadLineState *rs, int nb_args, const char *str) |
3617 | { | |
3618 | size_t len; | |
3619 | int i; | |
3620 | ||
3621 | if (nb_args != 2) { | |
3622 | return; | |
3623 | } | |
3624 | len = strlen(str); | |
3625 | readline_set_completion_index(rs, len); | |
1c236ba5 | 3626 | for (i = 0; i < NET_CLIENT_DRIVER__MAX; i++) { |
977c736f | 3627 | add_completion_option(rs, str, NetClientDriver_str(i)); |
b162b49a HB |
3628 | } |
3629 | } | |
3630 | ||
2da1b3ab | 3631 | void device_add_completion(ReadLineState *rs, int nb_args, const char *str) |
992d3e64 HB |
3632 | { |
3633 | GSList *list, *elt; | |
3634 | size_t len; | |
3635 | ||
2da1b3ab HB |
3636 | if (nb_args != 2) { |
3637 | return; | |
3638 | } | |
3639 | ||
992d3e64 HB |
3640 | len = strlen(str); |
3641 | readline_set_completion_index(rs, len); | |
3642 | list = elt = object_class_get_list(TYPE_DEVICE, false); | |
3643 | while (elt) { | |
3644 | const char *name; | |
3645 | DeviceClass *dc = OBJECT_CLASS_CHECK(DeviceClass, elt->data, | |
3646 | TYPE_DEVICE); | |
3647 | name = object_class_get_name(OBJECT_CLASS(dc)); | |
2da1b3ab | 3648 | |
e90f2a8c | 3649 | if (dc->user_creatable |
2da1b3ab | 3650 | && !strncmp(name, str, len)) { |
992d3e64 HB |
3651 | readline_add_completion(rs, name); |
3652 | } | |
3653 | elt = elt->next; | |
3654 | } | |
3655 | g_slist_free(list); | |
3656 | } | |
3657 | ||
bfa40f77 | 3658 | void object_add_completion(ReadLineState *rs, int nb_args, const char *str) |
1094fd3a HB |
3659 | { |
3660 | GSList *list, *elt; | |
3661 | size_t len; | |
3662 | ||
bfa40f77 HB |
3663 | if (nb_args != 2) { |
3664 | return; | |
3665 | } | |
3666 | ||
1094fd3a HB |
3667 | len = strlen(str); |
3668 | readline_set_completion_index(rs, len); | |
3669 | list = elt = object_class_get_list(TYPE_USER_CREATABLE, false); | |
3670 | while (elt) { | |
3671 | const char *name; | |
3672 | ||
3673 | name = object_class_get_name(OBJECT_CLASS(elt->data)); | |
3674 | if (!strncmp(name, str, len) && strcmp(name, TYPE_USER_CREATABLE)) { | |
3675 | readline_add_completion(rs, name); | |
3676 | } | |
3677 | elt = elt->next; | |
3678 | } | |
3679 | g_slist_free(list); | |
3680 | } | |
3681 | ||
6a1fa9f5 ZG |
3682 | static void peripheral_device_del_completion(ReadLineState *rs, |
3683 | const char *str, size_t len) | |
3684 | { | |
4cae4d5a MA |
3685 | Object *peripheral = container_get(qdev_get_machine(), "/peripheral"); |
3686 | GSList *list, *item; | |
6a1fa9f5 | 3687 | |
4cae4d5a MA |
3688 | list = qdev_build_hotpluggable_device_list(peripheral); |
3689 | if (!list) { | |
6a1fa9f5 ZG |
3690 | return; |
3691 | } | |
3692 | ||
6a1fa9f5 ZG |
3693 | for (item = list; item; item = g_slist_next(item)) { |
3694 | DeviceState *dev = item->data; | |
3695 | ||
3696 | if (dev->id && !strncmp(str, dev->id, len)) { | |
3697 | readline_add_completion(rs, dev->id); | |
3698 | } | |
3699 | } | |
3700 | ||
3701 | g_slist_free(list); | |
3702 | } | |
3703 | ||
6297d9a2 HB |
3704 | void chardev_remove_completion(ReadLineState *rs, int nb_args, const char *str) |
3705 | { | |
3706 | size_t len; | |
3707 | ChardevInfoList *list, *start; | |
3708 | ||
3709 | if (nb_args != 2) { | |
3710 | return; | |
3711 | } | |
3712 | len = strlen(str); | |
3713 | readline_set_completion_index(rs, len); | |
3714 | ||
3715 | start = list = qmp_query_chardev(NULL); | |
3716 | while (list) { | |
3717 | ChardevInfo *chr = list->value; | |
3718 | ||
3719 | if (!strncmp(chr->label, str, len)) { | |
3720 | readline_add_completion(rs, chr->label); | |
3721 | } | |
3722 | list = list->next; | |
3723 | } | |
3724 | qapi_free_ChardevInfoList(start); | |
3725 | } | |
3726 | ||
8e597779 HB |
3727 | static void ringbuf_completion(ReadLineState *rs, const char *str) |
3728 | { | |
3729 | size_t len; | |
3730 | ChardevInfoList *list, *start; | |
3731 | ||
3732 | len = strlen(str); | |
3733 | readline_set_completion_index(rs, len); | |
3734 | ||
3735 | start = list = qmp_query_chardev(NULL); | |
3736 | while (list) { | |
3737 | ChardevInfo *chr_info = list->value; | |
3738 | ||
3739 | if (!strncmp(chr_info->label, str, len)) { | |
0ec7b3e7 | 3740 | Chardev *chr = qemu_chr_find(chr_info->label); |
777357d7 | 3741 | if (chr && CHARDEV_IS_RINGBUF(chr)) { |
8e597779 HB |
3742 | readline_add_completion(rs, chr_info->label); |
3743 | } | |
3744 | } | |
3745 | list = list->next; | |
3746 | } | |
3747 | qapi_free_ChardevInfoList(start); | |
3748 | } | |
3749 | ||
8e597779 HB |
3750 | void ringbuf_write_completion(ReadLineState *rs, int nb_args, const char *str) |
3751 | { | |
3752 | if (nb_args != 2) { | |
3753 | return; | |
3754 | } | |
3755 | ringbuf_completion(rs, str); | |
3756 | } | |
3757 | ||
2da1b3ab HB |
3758 | void device_del_completion(ReadLineState *rs, int nb_args, const char *str) |
3759 | { | |
3760 | size_t len; | |
3761 | ||
3762 | if (nb_args != 2) { | |
3763 | return; | |
3764 | } | |
3765 | ||
3766 | len = strlen(str); | |
3767 | readline_set_completion_index(rs, len); | |
6a1fa9f5 | 3768 | peripheral_device_del_completion(rs, str, len); |
2da1b3ab HB |
3769 | } |
3770 | ||
bfa40f77 | 3771 | void object_del_completion(ReadLineState *rs, int nb_args, const char *str) |
b48fa074 HB |
3772 | { |
3773 | ObjectPropertyInfoList *list, *start; | |
3774 | size_t len; | |
3775 | ||
bfa40f77 HB |
3776 | if (nb_args != 2) { |
3777 | return; | |
3778 | } | |
b48fa074 HB |
3779 | len = strlen(str); |
3780 | readline_set_completion_index(rs, len); | |
3781 | ||
3782 | start = list = qmp_qom_list("/objects", NULL); | |
3783 | while (list) { | |
3784 | ObjectPropertyInfo *info = list->value; | |
3785 | ||
3786 | if (!strncmp(info->type, "child<", 5) | |
3787 | && !strncmp(info->name, str, len)) { | |
3788 | readline_add_completion(rs, info->name); | |
3789 | } | |
3790 | list = list->next; | |
3791 | } | |
3792 | qapi_free_ObjectPropertyInfoList(start); | |
3793 | } | |
3794 | ||
29136cd8 HB |
3795 | void sendkey_completion(ReadLineState *rs, int nb_args, const char *str) |
3796 | { | |
3797 | int i; | |
3798 | char *sep; | |
3799 | size_t len; | |
3800 | ||
3801 | if (nb_args != 2) { | |
3802 | return; | |
3803 | } | |
3804 | sep = strrchr(str, '-'); | |
3805 | if (sep) { | |
3806 | str = sep + 1; | |
3807 | } | |
3808 | len = strlen(str); | |
3809 | readline_set_completion_index(rs, len); | |
7fb1cf16 | 3810 | for (i = 0; i < Q_KEY_CODE__MAX; i++) { |
977c736f MA |
3811 | if (!strncmp(str, QKeyCode_str(i), len)) { |
3812 | readline_add_completion(rs, QKeyCode_str(i)); | |
29136cd8 HB |
3813 | } |
3814 | } | |
3815 | } | |
3816 | ||
40d19394 HB |
3817 | void set_link_completion(ReadLineState *rs, int nb_args, const char *str) |
3818 | { | |
3819 | size_t len; | |
3820 | ||
3821 | len = strlen(str); | |
3822 | readline_set_completion_index(rs, len); | |
3823 | if (nb_args == 2) { | |
eaed483c | 3824 | NetClientState *ncs[MAX_QUEUE_NUM]; |
40d19394 HB |
3825 | int count, i; |
3826 | count = qemu_find_net_clients_except(NULL, ncs, | |
f394b2e2 | 3827 | NET_CLIENT_DRIVER_NONE, |
eaed483c | 3828 | MAX_QUEUE_NUM); |
bcfa4d60 | 3829 | for (i = 0; i < MIN(count, MAX_QUEUE_NUM); i++) { |
40d19394 HB |
3830 | const char *name = ncs[i]->name; |
3831 | if (!strncmp(str, name, len)) { | |
3832 | readline_add_completion(rs, name); | |
3833 | } | |
3834 | } | |
3835 | } else if (nb_args == 3) { | |
3836 | add_completion_option(rs, str, "on"); | |
3837 | add_completion_option(rs, str, "off"); | |
3838 | } | |
3839 | } | |
3840 | ||
11b389f2 HB |
3841 | void netdev_del_completion(ReadLineState *rs, int nb_args, const char *str) |
3842 | { | |
3843 | int len, count, i; | |
eaed483c | 3844 | NetClientState *ncs[MAX_QUEUE_NUM]; |
11b389f2 HB |
3845 | |
3846 | if (nb_args != 2) { | |
3847 | return; | |
3848 | } | |
3849 | ||
3850 | len = strlen(str); | |
3851 | readline_set_completion_index(rs, len); | |
f394b2e2 | 3852 | count = qemu_find_net_clients_except(NULL, ncs, NET_CLIENT_DRIVER_NIC, |
eaed483c | 3853 | MAX_QUEUE_NUM); |
bcfa4d60 | 3854 | for (i = 0; i < MIN(count, MAX_QUEUE_NUM); i++) { |
11b389f2 HB |
3855 | QemuOpts *opts; |
3856 | const char *name = ncs[i]->name; | |
3857 | if (strncmp(str, name, len)) { | |
3858 | continue; | |
3859 | } | |
3860 | opts = qemu_opts_find(qemu_find_opts_err("netdev", NULL), name); | |
3861 | if (opts) { | |
3862 | readline_add_completion(rs, name); | |
3863 | } | |
3864 | } | |
3865 | } | |
3866 | ||
bd71211d LV |
3867 | void info_trace_events_completion(ReadLineState *rs, int nb_args, const char *str) |
3868 | { | |
3869 | size_t len; | |
3870 | ||
3871 | len = strlen(str); | |
3872 | readline_set_completion_index(rs, len); | |
3873 | if (nb_args == 2) { | |
0d4e995c DB |
3874 | TraceEventIter iter; |
3875 | TraceEvent *ev; | |
3876 | char *pattern = g_strdup_printf("%s*", str); | |
3877 | trace_event_iter_init(&iter, pattern); | |
3878 | while ((ev = trace_event_iter_next(&iter)) != NULL) { | |
3879 | readline_add_completion(rs, trace_event_get_name(ev)); | |
bd71211d | 3880 | } |
0d4e995c | 3881 | g_free(pattern); |
bd71211d LV |
3882 | } |
3883 | } | |
3884 | ||
987bd270 DDAG |
3885 | void trace_event_completion(ReadLineState *rs, int nb_args, const char *str) |
3886 | { | |
3887 | size_t len; | |
3888 | ||
3889 | len = strlen(str); | |
3890 | readline_set_completion_index(rs, len); | |
3891 | if (nb_args == 2) { | |
0d4e995c DB |
3892 | TraceEventIter iter; |
3893 | TraceEvent *ev; | |
3894 | char *pattern = g_strdup_printf("%s*", str); | |
3895 | trace_event_iter_init(&iter, pattern); | |
3896 | while ((ev = trace_event_iter_next(&iter)) != NULL) { | |
3897 | readline_add_completion(rs, trace_event_get_name(ev)); | |
3898 | } | |
3899 | g_free(pattern); | |
987bd270 DDAG |
3900 | } else if (nb_args == 3) { |
3901 | add_completion_option(rs, str, "on"); | |
3902 | add_completion_option(rs, str, "off"); | |
3903 | } | |
3904 | } | |
3905 | ||
d0ece345 HB |
3906 | void watchdog_action_completion(ReadLineState *rs, int nb_args, const char *str) |
3907 | { | |
4bb08af3 HB |
3908 | int i; |
3909 | ||
d0ece345 HB |
3910 | if (nb_args != 2) { |
3911 | return; | |
3912 | } | |
3913 | readline_set_completion_index(rs, strlen(str)); | |
14d53b4f MP |
3914 | for (i = 0; i < WATCHDOG_ACTION__MAX; i++) { |
3915 | add_completion_option(rs, str, WatchdogAction_str(i)); | |
4bb08af3 | 3916 | } |
d0ece345 HB |
3917 | } |
3918 | ||
c68a0409 HB |
3919 | void migrate_set_capability_completion(ReadLineState *rs, int nb_args, |
3920 | const char *str) | |
3921 | { | |
3922 | size_t len; | |
3923 | ||
3924 | len = strlen(str); | |
3925 | readline_set_completion_index(rs, len); | |
3926 | if (nb_args == 2) { | |
3927 | int i; | |
7fb1cf16 | 3928 | for (i = 0; i < MIGRATION_CAPABILITY__MAX; i++) { |
977c736f | 3929 | const char *name = MigrationCapability_str(i); |
c68a0409 HB |
3930 | if (!strncmp(str, name, len)) { |
3931 | readline_add_completion(rs, name); | |
3932 | } | |
3933 | } | |
3934 | } else if (nb_args == 3) { | |
3935 | add_completion_option(rs, str, "on"); | |
3936 | add_completion_option(rs, str, "off"); | |
3937 | } | |
3938 | } | |
3939 | ||
50e9a629 LL |
3940 | void migrate_set_parameter_completion(ReadLineState *rs, int nb_args, |
3941 | const char *str) | |
3942 | { | |
3943 | size_t len; | |
3944 | ||
3945 | len = strlen(str); | |
3946 | readline_set_completion_index(rs, len); | |
3947 | if (nb_args == 2) { | |
3948 | int i; | |
7fb1cf16 | 3949 | for (i = 0; i < MIGRATION_PARAMETER__MAX; i++) { |
977c736f | 3950 | const char *name = MigrationParameter_str(i); |
50e9a629 LL |
3951 | if (!strncmp(str, name, len)) { |
3952 | readline_add_completion(rs, name); | |
3953 | } | |
3954 | } | |
3955 | } | |
3956 | } | |
3957 | ||
b21631f3 HB |
3958 | static void vm_completion(ReadLineState *rs, const char *str) |
3959 | { | |
3960 | size_t len; | |
7c8eece4 | 3961 | BlockDriverState *bs; |
88be7b4b | 3962 | BdrvNextIterator it; |
b21631f3 HB |
3963 | |
3964 | len = strlen(str); | |
3965 | readline_set_completion_index(rs, len); | |
7c8eece4 | 3966 | |
88be7b4b | 3967 | for (bs = bdrv_first(&it); bs; bs = bdrv_next(&it)) { |
b21631f3 | 3968 | SnapshotInfoList *snapshots, *snapshot; |
6bf1faa8 DL |
3969 | AioContext *ctx = bdrv_get_aio_context(bs); |
3970 | bool ok = false; | |
b21631f3 | 3971 | |
6bf1faa8 DL |
3972 | aio_context_acquire(ctx); |
3973 | if (bdrv_can_snapshot(bs)) { | |
3974 | ok = bdrv_query_snapshot_info_list(bs, &snapshots, NULL) == 0; | |
b21631f3 | 3975 | } |
6bf1faa8 DL |
3976 | aio_context_release(ctx); |
3977 | if (!ok) { | |
b21631f3 HB |
3978 | continue; |
3979 | } | |
6bf1faa8 | 3980 | |
b21631f3 HB |
3981 | snapshot = snapshots; |
3982 | while (snapshot) { | |
3983 | char *completion = snapshot->value->name; | |
3984 | if (!strncmp(str, completion, len)) { | |
3985 | readline_add_completion(rs, completion); | |
3986 | } | |
3987 | completion = snapshot->value->id; | |
3988 | if (!strncmp(str, completion, len)) { | |
3989 | readline_add_completion(rs, completion); | |
3990 | } | |
3991 | snapshot = snapshot->next; | |
3992 | } | |
3993 | qapi_free_SnapshotInfoList(snapshots); | |
3994 | } | |
3995 | ||
3996 | } | |
3997 | ||
3998 | void delvm_completion(ReadLineState *rs, int nb_args, const char *str) | |
3999 | { | |
4000 | if (nb_args == 2) { | |
4001 | vm_completion(rs, str); | |
4002 | } | |
4003 | } | |
4004 | ||
4005 | void loadvm_completion(ReadLineState *rs, int nb_args, const char *str) | |
4006 | { | |
4007 | if (nb_args == 2) { | |
4008 | vm_completion(rs, str); | |
4009 | } | |
4010 | } | |
4011 | ||
c35b6400 WX |
4012 | static void monitor_find_completion_by_table(Monitor *mon, |
4013 | const mon_cmd_t *cmd_table, | |
4014 | char **args, | |
4015 | int nb_args) | |
81d0912d FB |
4016 | { |
4017 | const char *cmdname; | |
c35b6400 | 4018 | int i; |
bf67f1c0 | 4019 | const char *ptype, *old_ptype, *str, *name; |
c227f099 | 4020 | const mon_cmd_t *cmd; |
da27a00e | 4021 | BlockBackend *blk = NULL; |
81d0912d | 4022 | |
81d0912d FB |
4023 | if (nb_args <= 1) { |
4024 | /* command completion */ | |
4025 | if (nb_args == 0) | |
4026 | cmdname = ""; | |
4027 | else | |
4028 | cmdname = args[0]; | |
d2674b2c | 4029 | readline_set_completion_index(mon->rs, strlen(cmdname)); |
c35b6400 | 4030 | for (cmd = cmd_table; cmd->name != NULL; cmd++) { |
6d9f7839 DDAG |
4031 | if (!runstate_check(RUN_STATE_PRECONFIG) || |
4032 | cmd_can_preconfig(cmd)) { | |
4033 | cmd_completion(mon, cmdname, cmd->name); | |
4034 | } | |
81d0912d FB |
4035 | } |
4036 | } else { | |
4037 | /* find the command */ | |
c35b6400 | 4038 | for (cmd = cmd_table; cmd->name != NULL; cmd++) { |
6d9f7839 DDAG |
4039 | if (compare_cmd(args[0], cmd->name) && |
4040 | (!runstate_check(RUN_STATE_PRECONFIG) || | |
4041 | cmd_can_preconfig(cmd))) { | |
03a63484 JK |
4042 | break; |
4043 | } | |
81d0912d | 4044 | } |
03a63484 | 4045 | if (!cmd->name) { |
c35b6400 | 4046 | return; |
03a63484 JK |
4047 | } |
4048 | ||
d903a779 WX |
4049 | if (cmd->sub_table) { |
4050 | /* do the job again */ | |
e7ae771f SW |
4051 | monitor_find_completion_by_table(mon, cmd->sub_table, |
4052 | &args[1], nb_args - 1); | |
4053 | return; | |
d903a779 | 4054 | } |
bfa40f77 | 4055 | if (cmd->command_completion) { |
e7ae771f SW |
4056 | cmd->command_completion(mon->rs, nb_args, args[nb_args - 1]); |
4057 | return; | |
bfa40f77 | 4058 | } |
d903a779 | 4059 | |
4d76d2ba | 4060 | ptype = next_arg_type(cmd->args_type); |
81d0912d FB |
4061 | for(i = 0; i < nb_args - 2; i++) { |
4062 | if (*ptype != '\0') { | |
4d76d2ba | 4063 | ptype = next_arg_type(ptype); |
81d0912d | 4064 | while (*ptype == '?') |
4d76d2ba | 4065 | ptype = next_arg_type(ptype); |
81d0912d FB |
4066 | } |
4067 | } | |
4068 | str = args[nb_args - 1]; | |
bf67f1c0 DDAG |
4069 | old_ptype = NULL; |
4070 | while (*ptype == '-' && old_ptype != ptype) { | |
4071 | old_ptype = ptype; | |
3b6dbf27 | 4072 | ptype = next_arg_type(ptype); |
2a1704a7 | 4073 | } |
81d0912d FB |
4074 | switch(*ptype) { |
4075 | case 'F': | |
4076 | /* file completion */ | |
d2674b2c | 4077 | readline_set_completion_index(mon->rs, strlen(str)); |
cb8f68b1 | 4078 | file_completion(mon, str); |
81d0912d FB |
4079 | break; |
4080 | case 'B': | |
4081 | /* block device name completion */ | |
599a926a | 4082 | readline_set_completion_index(mon->rs, strlen(str)); |
da27a00e HR |
4083 | while ((blk = blk_next(blk)) != NULL) { |
4084 | name = blk_name(blk); | |
fea68bb6 MA |
4085 | if (str[0] == '\0' || |
4086 | !strncmp(name, str, strlen(str))) { | |
4087 | readline_add_completion(mon->rs, name); | |
4088 | } | |
4089 | } | |
81d0912d | 4090 | break; |
7fe48483 | 4091 | case 's': |
129be006 | 4092 | case 'S': |
29136cd8 | 4093 | if (!strcmp(cmd->name, "help|?")) { |
7ca0e061 WX |
4094 | monitor_find_completion_by_table(mon, cmd_table, |
4095 | &args[1], nb_args - 1); | |
7fe48483 FB |
4096 | } |
4097 | break; | |
81d0912d FB |
4098 | default: |
4099 | break; | |
4100 | } | |
4101 | } | |
c35b6400 WX |
4102 | } |
4103 | ||
c60bf339 | 4104 | static void monitor_find_completion(void *opaque, |
c35b6400 WX |
4105 | const char *cmdline) |
4106 | { | |
c60bf339 | 4107 | Monitor *mon = opaque; |
c35b6400 WX |
4108 | char *args[MAX_ARGS]; |
4109 | int nb_args, len; | |
4110 | ||
4111 | /* 1. parse the cmdline */ | |
4112 | if (parse_cmdline(cmdline, &nb_args, args) < 0) { | |
4113 | return; | |
4114 | } | |
c35b6400 WX |
4115 | |
4116 | /* if the line ends with a space, it means we want to complete the | |
4117 | next arg */ | |
4118 | len = strlen(cmdline); | |
4119 | if (len > 0 && qemu_isspace(cmdline[len - 1])) { | |
4120 | if (nb_args >= MAX_ARGS) { | |
4121 | goto cleanup; | |
4122 | } | |
4123 | args[nb_args++] = g_strdup(""); | |
4124 | } | |
4125 | ||
4126 | /* 2. auto complete according to args */ | |
4127 | monitor_find_completion_by_table(mon, mon->cmd_table, args, nb_args); | |
03a63484 JK |
4128 | |
4129 | cleanup: | |
dcc70cdf | 4130 | free_cmdline_args(args, nb_args); |
81d0912d FB |
4131 | } |
4132 | ||
731b0364 | 4133 | static int monitor_can_read(void *opaque) |
9dc39cba | 4134 | { |
731b0364 AL |
4135 | Monitor *mon = opaque; |
4136 | ||
df152fb9 | 4137 | return !atomic_mb_read(&mon->suspend_cnt); |
9dc39cba FB |
4138 | } |
4139 | ||
546aa566 PX |
4140 | /* |
4141 | * 1. This function takes ownership of rsp, err, and id. | |
4142 | * 2. rsp, err, and id may be NULL. | |
4143 | * 3. If err != NULL then rsp must be NULL. | |
4144 | */ | |
4145 | static void monitor_qmp_respond(Monitor *mon, QObject *rsp, | |
4146 | Error *err, QObject *id) | |
4147 | { | |
4148 | QDict *qdict = NULL; | |
4149 | ||
4150 | if (err) { | |
4151 | assert(!rsp); | |
4152 | qdict = qdict_new(); | |
4153 | qdict_put_obj(qdict, "error", qmp_build_error_object(err)); | |
4154 | error_free(err); | |
4155 | rsp = QOBJECT(qdict); | |
4156 | } | |
4157 | ||
4158 | if (rsp) { | |
4159 | if (id) { | |
f5a74a5a | 4160 | qdict_put_obj(qobject_to(QDict, rsp), "id", qobject_ref(id)); |
546aa566 PX |
4161 | } |
4162 | ||
4163 | monitor_json_emitter(mon, rsp); | |
4164 | } | |
4165 | ||
cb3e7f08 MAL |
4166 | qobject_unref(id); |
4167 | qobject_unref(rsp); | |
546aa566 PX |
4168 | } |
4169 | ||
71da4667 PX |
4170 | /* |
4171 | * Dispatch one single QMP request. The function will free the req_obj | |
4172 | * and objects inside it before return. | |
4173 | */ | |
4174 | static void monitor_qmp_dispatch_one(QMPRequest *req_obj) | |
5fa737a4 | 4175 | { |
71da4667 PX |
4176 | Monitor *mon, *old_mon; |
4177 | QObject *req, *rsp = NULL, *id; | |
71da4667 | 4178 | bool need_resume; |
5fa737a4 | 4179 | |
71da4667 PX |
4180 | req = req_obj->req; |
4181 | mon = req_obj->mon; | |
4182 | id = req_obj->id; | |
4183 | need_resume = req_obj->need_resume; | |
5fa737a4 | 4184 | |
227a0755 PX |
4185 | old_mon = cur_mon; |
4186 | cur_mon = mon; | |
4187 | ||
674ed722 | 4188 | rsp = qmp_dispatch(mon->qmp.commands, req, qmp_oob_enabled(mon)); |
5fa737a4 | 4189 | |
227a0755 PX |
4190 | cur_mon = old_mon; |
4191 | ||
71da4667 | 4192 | /* Respond if necessary */ |
05f7274c | 4193 | monitor_qmp_respond(mon, rsp, NULL, qobject_ref(id)); |
71da4667 PX |
4194 | |
4195 | /* This pairs with the monitor_suspend() in handle_qmp_command(). */ | |
4196 | if (need_resume) { | |
4197 | monitor_resume(mon); | |
4198 | } | |
5fa737a4 | 4199 | |
05f7274c | 4200 | qmp_request_free(req_obj); |
5fa737a4 LC |
4201 | } |
4202 | ||
71da4667 PX |
4203 | /* |
4204 | * Pop one QMP request from monitor queues, return NULL if not found. | |
4205 | * We are using round-robin fashion to pop the request, to avoid | |
4206 | * processing commands only on a very busy monitor. To achieve that, | |
4207 | * when we process one request on a specific monitor, we put that | |
4208 | * monitor to the end of mon_list queue. | |
4209 | */ | |
40687eb7 | 4210 | static QMPRequest *monitor_qmp_requests_pop_any(void) |
71da4667 PX |
4211 | { |
4212 | QMPRequest *req_obj = NULL; | |
4213 | Monitor *mon; | |
4214 | ||
4215 | qemu_mutex_lock(&monitor_lock); | |
4216 | ||
4217 | QTAILQ_FOREACH(mon, &mon_list, entry) { | |
4218 | qemu_mutex_lock(&mon->qmp.qmp_queue_lock); | |
4219 | req_obj = g_queue_pop_head(mon->qmp.qmp_requests); | |
4220 | qemu_mutex_unlock(&mon->qmp.qmp_queue_lock); | |
4221 | if (req_obj) { | |
4222 | break; | |
4223 | } | |
4224 | } | |
4225 | ||
4226 | if (req_obj) { | |
4227 | /* | |
4228 | * We found one request on the monitor. Degrade this monitor's | |
4229 | * priority to lowest by re-inserting it to end of queue. | |
4230 | */ | |
4231 | QTAILQ_REMOVE(&mon_list, mon, entry); | |
4232 | QTAILQ_INSERT_TAIL(&mon_list, mon, entry); | |
4233 | } | |
4234 | ||
4235 | qemu_mutex_unlock(&monitor_lock); | |
4236 | ||
4237 | return req_obj; | |
4238 | } | |
4239 | ||
4240 | static void monitor_qmp_bh_dispatcher(void *data) | |
4241 | { | |
40687eb7 | 4242 | QMPRequest *req_obj = monitor_qmp_requests_pop_any(); |
71da4667 PX |
4243 | |
4244 | if (req_obj) { | |
cf869d53 | 4245 | trace_monitor_qmp_cmd_in_band(qobject_get_try_str(req_obj->id) ?: ""); |
71da4667 PX |
4246 | monitor_qmp_dispatch_one(req_obj); |
4247 | /* Reschedule instead of looping so the main loop stays responsive */ | |
4248 | qemu_bh_schedule(mon_global.qmp_dispatcher_bh); | |
4249 | } | |
4250 | } | |
4251 | ||
bf1e7301 PX |
4252 | #define QMP_REQ_QUEUE_LEN_MAX (8) |
4253 | ||
71da4667 PX |
4254 | static void handle_qmp_command(JSONMessageParser *parser, GQueue *tokens) |
4255 | { | |
4256 | QObject *req, *id = NULL; | |
0fa39d0b | 4257 | QDict *qdict; |
71da4667 PX |
4258 | MonitorQMP *mon_qmp = container_of(parser, MonitorQMP, parser); |
4259 | Monitor *mon = container_of(mon_qmp, Monitor, qmp); | |
4260 | Error *err = NULL; | |
4261 | QMPRequest *req_obj; | |
4262 | ||
4263 | req = json_parser_parse_err(tokens, NULL, &err); | |
4264 | if (!req && !err) { | |
4265 | /* json_parser_parse_err() sucks: can fail without setting @err */ | |
4266 | error_setg(&err, QERR_JSON_PARSING); | |
4267 | } | |
4268 | if (err) { | |
cf869d53 PX |
4269 | goto err; |
4270 | } | |
4271 | ||
0fa39d0b MA |
4272 | qdict = qobject_to(QDict, req); |
4273 | if (qdict) { | |
4274 | id = qobject_ref(qdict_get(qdict, "id")); | |
4275 | qdict_del(qdict, "id"); | |
4276 | } /* else will fail qmp_dispatch() */ | |
4277 | ||
45434ba4 MA |
4278 | if (trace_event_get_state_backends(TRACE_HANDLE_QMP_COMMAND)) { |
4279 | QString *req_json = qobject_to_json(req); | |
4280 | trace_handle_qmp_command(mon, qstring_get_str(req_json)); | |
4281 | qobject_unref(req_json); | |
4282 | } | |
4283 | ||
cf869d53 | 4284 | /* Check against the request in general layout */ |
674ed722 | 4285 | qdict = qmp_dispatch_check_obj(req, qmp_oob_enabled(mon), &err); |
cf869d53 PX |
4286 | if (!qdict) { |
4287 | goto err; | |
71da4667 PX |
4288 | } |
4289 | ||
cf869d53 PX |
4290 | /* Check against OOB specific */ |
4291 | if (!qmp_cmd_oob_check(mon, qdict, &err)) { | |
4292 | goto err; | |
4293 | } | |
4294 | ||
71da4667 PX |
4295 | req_obj = g_new0(QMPRequest, 1); |
4296 | req_obj->mon = mon; | |
0fa39d0b | 4297 | req_obj->id = id; |
71da4667 PX |
4298 | req_obj->req = req; |
4299 | req_obj->need_resume = false; | |
4300 | ||
cf869d53 | 4301 | if (qmp_is_oob(qdict)) { |
c0698212 | 4302 | /* Out-of-band (OOB) requests are executed directly in parser. */ |
cf869d53 PX |
4303 | trace_monitor_qmp_cmd_out_of_band(qobject_get_try_str(req_obj->id) |
4304 | ?: ""); | |
4305 | monitor_qmp_dispatch_one(req_obj); | |
4306 | return; | |
4307 | } | |
4308 | ||
bf1e7301 PX |
4309 | /* Protect qmp_requests and fetching its length. */ |
4310 | qemu_mutex_lock(&mon->qmp.qmp_queue_lock); | |
4311 | ||
71da4667 PX |
4312 | /* |
4313 | * If OOB is not enabled on the current monitor, we'll emulate the | |
4314 | * old behavior that we won't process the current monitor any more | |
4315 | * until it has responded. This helps make sure that as long as | |
4316 | * OOB is not enabled, the server will never drop any command. | |
4317 | */ | |
4318 | if (!qmp_oob_enabled(mon)) { | |
4319 | monitor_suspend(mon); | |
4320 | req_obj->need_resume = true; | |
bf1e7301 PX |
4321 | } else { |
4322 | /* Drop the request if queue is full. */ | |
4323 | if (mon->qmp.qmp_requests->length >= QMP_REQ_QUEUE_LEN_MAX) { | |
4324 | qemu_mutex_unlock(&mon->qmp.qmp_queue_lock); | |
d621cfe0 MA |
4325 | /* |
4326 | * FIXME @id's scope is just @mon, and broadcasting it is | |
4327 | * wrong. If another monitor's client has a command with | |
4328 | * the same ID in flight, the event will incorrectly claim | |
4329 | * that command was dropped. | |
4330 | */ | |
bf1e7301 PX |
4331 | qapi_event_send_command_dropped(id, |
4332 | COMMAND_DROP_REASON_QUEUE_FULL, | |
4333 | &error_abort); | |
6d2d563f | 4334 | qmp_request_free(req_obj); |
bf1e7301 PX |
4335 | return; |
4336 | } | |
71da4667 PX |
4337 | } |
4338 | ||
4339 | /* | |
4340 | * Put the request to the end of queue so that requests will be | |
4341 | * handled in time order. Ownership for req_obj, req, id, | |
4342 | * etc. will be delivered to the handler side. | |
4343 | */ | |
71da4667 PX |
4344 | g_queue_push_tail(mon->qmp.qmp_requests, req_obj); |
4345 | qemu_mutex_unlock(&mon->qmp.qmp_queue_lock); | |
4346 | ||
4347 | /* Kick the dispatcher routine */ | |
4348 | qemu_bh_schedule(mon_global.qmp_dispatcher_bh); | |
cf869d53 PX |
4349 | return; |
4350 | ||
4351 | err: | |
4352 | monitor_qmp_respond(mon, NULL, err, NULL); | |
cb3e7f08 | 4353 | qobject_unref(req); |
71da4667 PX |
4354 | } |
4355 | ||
c83fe23b | 4356 | static void monitor_qmp_read(void *opaque, const uint8_t *buf, int size) |
9b57c02e | 4357 | { |
227a0755 | 4358 | Monitor *mon = opaque; |
9b57c02e | 4359 | |
227a0755 | 4360 | json_message_parser_feed(&mon->qmp.parser, (const char *) buf, size); |
9b57c02e LC |
4361 | } |
4362 | ||
731b0364 | 4363 | static void monitor_read(void *opaque, const uint8_t *buf, int size) |
9dc39cba | 4364 | { |
731b0364 | 4365 | Monitor *old_mon = cur_mon; |
7e2515e8 | 4366 | int i; |
376253ec | 4367 | |
731b0364 AL |
4368 | cur_mon = opaque; |
4369 | ||
cde76ee1 AL |
4370 | if (cur_mon->rs) { |
4371 | for (i = 0; i < size; i++) | |
4372 | readline_handle_byte(cur_mon->rs, buf[i]); | |
4373 | } else { | |
4374 | if (size == 0 || buf[size - 1] != 0) | |
4375 | monitor_printf(cur_mon, "corrupted command\n"); | |
4376 | else | |
7ef6cf63 | 4377 | handle_hmp_command(cur_mon, (char *)buf); |
cde76ee1 | 4378 | } |
9dc39cba | 4379 | |
731b0364 AL |
4380 | cur_mon = old_mon; |
4381 | } | |
d8f44609 | 4382 | |
c60bf339 SH |
4383 | static void monitor_command_cb(void *opaque, const char *cmdline, |
4384 | void *readline_opaque) | |
aa455485 | 4385 | { |
c60bf339 SH |
4386 | Monitor *mon = opaque; |
4387 | ||
731b0364 | 4388 | monitor_suspend(mon); |
7ef6cf63 | 4389 | handle_hmp_command(mon, cmdline); |
731b0364 | 4390 | monitor_resume(mon); |
d8f44609 AL |
4391 | } |
4392 | ||
cde76ee1 | 4393 | int monitor_suspend(Monitor *mon) |
d8f44609 | 4394 | { |
e3e977d4 | 4395 | if (monitor_is_hmp_non_interactive(mon)) { |
cde76ee1 | 4396 | return -ENOTTY; |
e3e977d4 PX |
4397 | } |
4398 | ||
df152fb9 | 4399 | atomic_inc(&mon->suspend_cnt); |
e3e977d4 PX |
4400 | |
4401 | if (monitor_is_qmp(mon)) { | |
4402 | /* | |
c5f57ed0 | 4403 | * Kick I/O thread to make sure this takes effect. It'll be |
e3e977d4 PX |
4404 | * evaluated again in prepare() of the watch object. |
4405 | */ | |
4406 | aio_notify(iothread_get_aio_context(mon_global.mon_iothread)); | |
4407 | } | |
4408 | ||
4409 | trace_monitor_suspend(mon, 1); | |
cde76ee1 | 4410 | return 0; |
d8f44609 AL |
4411 | } |
4412 | ||
376253ec | 4413 | void monitor_resume(Monitor *mon) |
d8f44609 | 4414 | { |
e3e977d4 | 4415 | if (monitor_is_hmp_non_interactive(mon)) { |
cde76ee1 | 4416 | return; |
e3e977d4 PX |
4417 | } |
4418 | ||
df152fb9 | 4419 | if (atomic_dec_fetch(&mon->suspend_cnt) == 0) { |
e3e977d4 PX |
4420 | if (monitor_is_qmp(mon)) { |
4421 | /* | |
c5f57ed0 | 4422 | * For QMP monitors that are running in I/O thread, let's |
e3e977d4 PX |
4423 | * kick the thread in case it's sleeping. |
4424 | */ | |
4425 | if (mon->use_io_thr) { | |
4426 | aio_notify(iothread_get_aio_context(mon_global.mon_iothread)); | |
4427 | } | |
4428 | } else { | |
4429 | assert(mon->rs); | |
4430 | readline_show_prompt(mon->rs); | |
4431 | } | |
df152fb9 | 4432 | } |
e3e977d4 | 4433 | trace_monitor_suspend(mon, -1); |
aa455485 FB |
4434 | } |
4435 | ||
02130314 | 4436 | static QObject *get_qmp_greeting(Monitor *mon) |
ca9567e2 | 4437 | { |
02130314 | 4438 | QList *cap_list = qlist_new(); |
b9c15f16 | 4439 | QObject *ver = NULL; |
02130314 | 4440 | QMPCapability cap; |
ca9567e2 | 4441 | |
7fad30f0 | 4442 | qmp_marshal_query_version(NULL, &ver, NULL); |
c823501e | 4443 | |
02130314 PX |
4444 | for (cap = 0; cap < QMP_CAPABILITY__MAX; cap++) { |
4445 | if (!mon->use_io_thr && cap == QMP_CAPABILITY_OOB) { | |
c5f57ed0 | 4446 | /* Monitors that are not using I/O thread won't support OOB */ |
02130314 PX |
4447 | continue; |
4448 | } | |
625eaca9 | 4449 | qlist_append_str(cap_list, QMPCapability_str(cap)); |
02130314 PX |
4450 | } |
4451 | ||
4452 | return qobject_from_jsonf("{'QMP': {'version': %p, 'capabilities': %p}}", | |
4453 | ver, cap_list); | |
4454 | } | |
4455 | ||
4456 | static void monitor_qmp_caps_reset(Monitor *mon) | |
4457 | { | |
4458 | memset(mon->qmp.qmp_caps, 0, sizeof(mon->qmp.qmp_caps)); | |
ca9567e2 LC |
4459 | } |
4460 | ||
c83fe23b | 4461 | static void monitor_qmp_event(void *opaque, int event) |
9b57c02e | 4462 | { |
47116d1c LC |
4463 | QObject *data; |
4464 | Monitor *mon = opaque; | |
9b57c02e | 4465 | |
47116d1c LC |
4466 | switch (event) { |
4467 | case CHR_EVENT_OPENED: | |
635db18f | 4468 | mon->qmp.commands = &qmp_cap_negotiation_commands; |
02130314 PX |
4469 | monitor_qmp_caps_reset(mon); |
4470 | data = get_qmp_greeting(mon); | |
9b57c02e | 4471 | monitor_json_emitter(mon, data); |
cb3e7f08 | 4472 | qobject_unref(data); |
efb87c16 | 4473 | mon_refcount++; |
47116d1c LC |
4474 | break; |
4475 | case CHR_EVENT_CLOSED: | |
c73a843b PX |
4476 | /* |
4477 | * Note: this is only useful when the output of the chardev | |
4478 | * backend is still open. For example, when the backend is | |
4479 | * stdio, it's possible that stdout is still open when stdin | |
4480 | * is closed. | |
4481 | */ | |
4482 | monitor_qmp_response_flush(mon); | |
6d2d563f | 4483 | monitor_qmp_cleanup_queues(mon); |
74358f2a MA |
4484 | json_message_parser_destroy(&mon->qmp.parser); |
4485 | json_message_parser_init(&mon->qmp.parser, handle_qmp_command); | |
efb87c16 CB |
4486 | mon_refcount--; |
4487 | monitor_fdsets_cleanup(); | |
47116d1c | 4488 | break; |
9b57c02e LC |
4489 | } |
4490 | } | |
4491 | ||
731b0364 | 4492 | static void monitor_event(void *opaque, int event) |
86e94dea | 4493 | { |
376253ec AL |
4494 | Monitor *mon = opaque; |
4495 | ||
2724b180 AL |
4496 | switch (event) { |
4497 | case CHR_EVENT_MUX_IN: | |
dc7cbcd8 | 4498 | qemu_mutex_lock(&mon->mon_lock); |
a7aec5da | 4499 | mon->mux_out = 0; |
dc7cbcd8 | 4500 | qemu_mutex_unlock(&mon->mon_lock); |
a7aec5da GH |
4501 | if (mon->reset_seen) { |
4502 | readline_restart(mon->rs); | |
4503 | monitor_resume(mon); | |
4504 | monitor_flush(mon); | |
4505 | } else { | |
df152fb9 | 4506 | atomic_mb_set(&mon->suspend_cnt, 0); |
a7aec5da | 4507 | } |
2724b180 AL |
4508 | break; |
4509 | ||
4510 | case CHR_EVENT_MUX_OUT: | |
a7aec5da | 4511 | if (mon->reset_seen) { |
df152fb9 | 4512 | if (atomic_mb_read(&mon->suspend_cnt) == 0) { |
a7aec5da GH |
4513 | monitor_printf(mon, "\n"); |
4514 | } | |
4515 | monitor_flush(mon); | |
4516 | monitor_suspend(mon); | |
4517 | } else { | |
df152fb9 | 4518 | atomic_inc(&mon->suspend_cnt); |
a7aec5da | 4519 | } |
dc7cbcd8 | 4520 | qemu_mutex_lock(&mon->mon_lock); |
a7aec5da | 4521 | mon->mux_out = 1; |
dc7cbcd8 | 4522 | qemu_mutex_unlock(&mon->mon_lock); |
2724b180 | 4523 | break; |
86e94dea | 4524 | |
b6b8df56 | 4525 | case CHR_EVENT_OPENED: |
2724b180 AL |
4526 | monitor_printf(mon, "QEMU %s monitor - type 'help' for more " |
4527 | "information\n", QEMU_VERSION); | |
a7aec5da | 4528 | if (!mon->mux_out) { |
e5554e20 | 4529 | readline_restart(mon->rs); |
2724b180 | 4530 | readline_show_prompt(mon->rs); |
a7aec5da GH |
4531 | } |
4532 | mon->reset_seen = 1; | |
efb87c16 CB |
4533 | mon_refcount++; |
4534 | break; | |
4535 | ||
4536 | case CHR_EVENT_CLOSED: | |
4537 | mon_refcount--; | |
4538 | monitor_fdsets_cleanup(); | |
2724b180 AL |
4539 | break; |
4540 | } | |
86e94dea TS |
4541 | } |
4542 | ||
816f8925 WX |
4543 | static int |
4544 | compare_mon_cmd(const void *a, const void *b) | |
4545 | { | |
4546 | return strcmp(((const mon_cmd_t *)a)->name, | |
4547 | ((const mon_cmd_t *)b)->name); | |
4548 | } | |
4549 | ||
4550 | static void sortcmdlist(void) | |
4551 | { | |
4552 | int array_num; | |
4553 | int elem_size = sizeof(mon_cmd_t); | |
4554 | ||
4555 | array_num = sizeof(mon_cmds)/elem_size-1; | |
4556 | qsort((void *)mon_cmds, array_num, elem_size, compare_mon_cmd); | |
4557 | ||
4558 | array_num = sizeof(info_cmds)/elem_size-1; | |
4559 | qsort((void *)info_cmds, array_num, elem_size, compare_mon_cmd); | |
4560 | } | |
4561 | ||
a5ed3525 PX |
4562 | static GMainContext *monitor_get_io_context(void) |
4563 | { | |
4564 | return iothread_get_g_main_context(mon_global.mon_iothread); | |
4565 | } | |
4566 | ||
4567 | static AioContext *monitor_get_aio_context(void) | |
4568 | { | |
4569 | return iothread_get_aio_context(mon_global.mon_iothread); | |
4570 | } | |
4571 | ||
4572 | static void monitor_iothread_init(void) | |
4573 | { | |
4574 | mon_global.mon_iothread = iothread_create("mon_iothread", | |
4575 | &error_abort); | |
71da4667 PX |
4576 | |
4577 | /* | |
4578 | * This MUST be on main loop thread since we have commands that | |
4579 | * have assumption to be run on main loop thread. It would be | |
4580 | * nice that one day we can remove this assumption in the future. | |
4581 | */ | |
951702f3 | 4582 | mon_global.qmp_dispatcher_bh = aio_bh_new(iohandler_get_aio_context(), |
71da4667 PX |
4583 | monitor_qmp_bh_dispatcher, |
4584 | NULL); | |
abe3cd0f PX |
4585 | |
4586 | /* | |
c5f57ed0 MA |
4587 | * Unlike the dispatcher BH, this must be run on the monitor I/O |
4588 | * thread, so that monitors that are using I/O thread will make | |
4589 | * sure read/write operations are all done on the I/O thread. | |
abe3cd0f PX |
4590 | */ |
4591 | mon_global.qmp_respond_bh = aio_bh_new(monitor_get_aio_context(), | |
4592 | monitor_qmp_bh_responder, | |
4593 | NULL); | |
a5ed3525 PX |
4594 | } |
4595 | ||
6adf08dd PX |
4596 | void monitor_init_globals(void) |
4597 | { | |
4598 | monitor_init_qmp_commands(); | |
4599 | monitor_qapi_event_init(); | |
4600 | sortcmdlist(); | |
4601 | qemu_mutex_init(&monitor_lock); | |
47451466 | 4602 | qemu_mutex_init(&mon_fdsets_lock); |
a5ed3525 | 4603 | monitor_iothread_init(); |
6adf08dd PX |
4604 | } |
4605 | ||
c60bf339 SH |
4606 | /* These functions just adapt the readline interface in a typesafe way. We |
4607 | * could cast function pointers but that discards compiler checks. | |
4608 | */ | |
d5d1507b SW |
4609 | static void GCC_FMT_ATTR(2, 3) monitor_readline_printf(void *opaque, |
4610 | const char *fmt, ...) | |
c60bf339 SH |
4611 | { |
4612 | va_list ap; | |
4613 | va_start(ap, fmt); | |
4614 | monitor_vprintf(opaque, fmt, ap); | |
4615 | va_end(ap); | |
4616 | } | |
4617 | ||
4618 | static void monitor_readline_flush(void *opaque) | |
4619 | { | |
4620 | monitor_flush(opaque); | |
4621 | } | |
4622 | ||
397d30e9 PB |
4623 | /* |
4624 | * Print to current monitor if we have one, else to stderr. | |
4625 | * TODO should return int, so callers can calculate width, but that | |
4626 | * requires surgery to monitor_vprintf(). Left for another day. | |
4627 | */ | |
4628 | void error_vprintf(const char *fmt, va_list ap) | |
4629 | { | |
4630 | if (cur_mon && !monitor_cur_is_qmp()) { | |
4631 | monitor_vprintf(cur_mon, fmt, ap); | |
4632 | } else { | |
4633 | vfprintf(stderr, fmt, ap); | |
4634 | } | |
4635 | } | |
4636 | ||
4637 | void error_vprintf_unless_qmp(const char *fmt, va_list ap) | |
4638 | { | |
4639 | if (cur_mon && !monitor_cur_is_qmp()) { | |
4640 | monitor_vprintf(cur_mon, fmt, ap); | |
0d6b50d4 MAL |
4641 | } else if (!cur_mon) { |
4642 | vfprintf(stderr, fmt, ap); | |
397d30e9 PB |
4643 | } |
4644 | } | |
4645 | ||
a5ed3525 PX |
4646 | static void monitor_list_append(Monitor *mon) |
4647 | { | |
4648 | qemu_mutex_lock(&monitor_lock); | |
4649 | QTAILQ_INSERT_HEAD(&mon_list, mon, entry); | |
4650 | qemu_mutex_unlock(&monitor_lock); | |
4651 | } | |
4652 | ||
4653 | static void monitor_qmp_setup_handlers_bh(void *opaque) | |
4654 | { | |
4655 | Monitor *mon = opaque; | |
4656 | GMainContext *context; | |
4657 | ||
4658 | if (mon->use_io_thr) { | |
4659 | /* | |
4660 | * When use_io_thr is set, we use the global shared dedicated | |
c5f57ed0 | 4661 | * I/O thread for this monitor to handle input/output. |
a5ed3525 PX |
4662 | */ |
4663 | context = monitor_get_io_context(); | |
4664 | /* We should have inited globals before reaching here. */ | |
4665 | assert(context); | |
4666 | } else { | |
4667 | /* The default main loop, which is the main thread */ | |
4668 | context = NULL; | |
4669 | } | |
4670 | ||
4671 | qemu_chr_fe_set_handlers(&mon->chr, monitor_can_read, monitor_qmp_read, | |
4672 | monitor_qmp_event, NULL, mon, context, true); | |
4673 | monitor_list_append(mon); | |
4674 | } | |
4675 | ||
0ec7b3e7 | 4676 | void monitor_init(Chardev *chr, int flags) |
aa455485 | 4677 | { |
6adf08dd | 4678 | Monitor *mon = g_malloc(sizeof(*mon)); |
be933ffc PX |
4679 | bool use_readline = flags & MONITOR_USE_READLINE; |
4680 | bool use_oob = flags & MONITOR_USE_OOB; | |
4681 | ||
4682 | if (use_oob) { | |
4683 | if (CHARDEV_IS_MUX(chr)) { | |
c0698212 | 4684 | error_report("Monitor out-of-band is not supported with " |
be933ffc PX |
4685 | "MUX typed chardev backend"); |
4686 | exit(1); | |
4687 | } | |
4688 | if (use_readline) { | |
c0698212 | 4689 | error_report("Monitor out-of-band is only supported by QMP"); |
be933ffc PX |
4690 | exit(1); |
4691 | } | |
4692 | } | |
87127161 | 4693 | |
be933ffc | 4694 | monitor_data_init(mon, false, use_oob); |
20d8a3ed | 4695 | |
32a6ebec | 4696 | qemu_chr_fe_init(&mon->chr, chr, &error_abort); |
731b0364 | 4697 | mon->flags = flags; |
be933ffc | 4698 | if (use_readline) { |
c60bf339 SH |
4699 | mon->rs = readline_init(monitor_readline_printf, |
4700 | monitor_readline_flush, | |
4701 | mon, | |
4702 | monitor_find_completion); | |
cde76ee1 AL |
4703 | monitor_read_command(mon, 0); |
4704 | } | |
87127161 | 4705 | |
9f3982f2 | 4706 | if (monitor_is_qmp(mon)) { |
5345fdb4 | 4707 | qemu_chr_fe_set_echo(&mon->chr, true); |
74358f2a | 4708 | json_message_parser_init(&mon->qmp.parser, handle_qmp_command); |
a5ed3525 PX |
4709 | if (mon->use_io_thr) { |
4710 | /* | |
4711 | * Make sure the old iowatch is gone. It's possible when | |
4712 | * e.g. the chardev is in client mode, with wait=on. | |
4713 | */ | |
4714 | remove_fd_in_watch(chr); | |
4715 | /* | |
4716 | * We can't call qemu_chr_fe_set_handlers() directly here | |
4717 | * since during the procedure the chardev will be active | |
c5f57ed0 | 4718 | * and running in monitor I/O thread, while we'll still do |
a5ed3525 PX |
4719 | * something before returning from it, which is a possible |
4720 | * race too. To avoid that, we just create a BH to setup | |
4721 | * the handlers. | |
4722 | */ | |
4723 | aio_bh_schedule_oneshot(monitor_get_aio_context(), | |
4724 | monitor_qmp_setup_handlers_bh, mon); | |
4725 | /* We'll add this to mon_list in the BH when setup done */ | |
4726 | return; | |
4727 | } else { | |
4728 | qemu_chr_fe_set_handlers(&mon->chr, monitor_can_read, | |
4729 | monitor_qmp_read, monitor_qmp_event, | |
4730 | NULL, mon, NULL, true); | |
4731 | } | |
9b57c02e | 4732 | } else { |
5345fdb4 | 4733 | qemu_chr_fe_set_handlers(&mon->chr, monitor_can_read, monitor_read, |
81517ba3 | 4734 | monitor_event, NULL, mon, NULL, true); |
9b57c02e | 4735 | } |
87127161 | 4736 | |
a5ed3525 | 4737 | monitor_list_append(mon); |
aa455485 FB |
4738 | } |
4739 | ||
2ef45716 MAL |
4740 | void monitor_cleanup(void) |
4741 | { | |
4742 | Monitor *mon, *next; | |
4743 | ||
a5ed3525 | 4744 | /* |
c5f57ed0 MA |
4745 | * We need to explicitly stop the I/O thread (but not destroy it), |
4746 | * cleanup the monitor resources, then destroy the I/O thread since | |
a5ed3525 PX |
4747 | * we need to unregister from chardev below in |
4748 | * monitor_data_destroy(), and chardev is not thread-safe yet | |
4749 | */ | |
4750 | iothread_stop(mon_global.mon_iothread); | |
4751 | ||
abe3cd0f | 4752 | /* |
c5f57ed0 MA |
4753 | * After we have I/O thread to send responses, it's possible that |
4754 | * when we stop the I/O thread there are still replies queued in the | |
abe3cd0f PX |
4755 | * responder queue. Flush all of them. Note that even after this |
4756 | * flush it's still possible that out buffer is not flushed. | |
4757 | * It'll be done in below monitor_flush() as the last resort. | |
4758 | */ | |
4759 | monitor_qmp_bh_responder(NULL); | |
4760 | ||
2ef45716 | 4761 | qemu_mutex_lock(&monitor_lock); |
238d9f34 PX |
4762 | QTAILQ_FOREACH_SAFE(mon, &mon_list, entry, next) { |
4763 | QTAILQ_REMOVE(&mon_list, mon, entry); | |
abe3cd0f | 4764 | monitor_flush(mon); |
2ef45716 MAL |
4765 | monitor_data_destroy(mon); |
4766 | g_free(mon); | |
4767 | } | |
4768 | qemu_mutex_unlock(&monitor_lock); | |
a5ed3525 | 4769 | |
c5f57ed0 | 4770 | /* QEMUBHs needs to be deleted before destroying the I/O thread */ |
71da4667 PX |
4771 | qemu_bh_delete(mon_global.qmp_dispatcher_bh); |
4772 | mon_global.qmp_dispatcher_bh = NULL; | |
abe3cd0f PX |
4773 | qemu_bh_delete(mon_global.qmp_respond_bh); |
4774 | mon_global.qmp_respond_bh = NULL; | |
71da4667 | 4775 | |
a5ed3525 PX |
4776 | iothread_destroy(mon_global.mon_iothread); |
4777 | mon_global.mon_iothread = NULL; | |
2ef45716 MAL |
4778 | } |
4779 | ||
4d454574 PB |
4780 | QemuOptsList qemu_mon_opts = { |
4781 | .name = "mon", | |
4782 | .implied_opt_name = "chardev", | |
4783 | .head = QTAILQ_HEAD_INITIALIZER(qemu_mon_opts.head), | |
4784 | .desc = { | |
4785 | { | |
4786 | .name = "mode", | |
4787 | .type = QEMU_OPT_STRING, | |
4788 | },{ | |
4789 | .name = "chardev", | |
4790 | .type = QEMU_OPT_STRING, | |
4d454574 PB |
4791 | },{ |
4792 | .name = "pretty", | |
4793 | .type = QEMU_OPT_BOOL, | |
be933ffc PX |
4794 | },{ |
4795 | .name = "x-oob", | |
4796 | .type = QEMU_OPT_BOOL, | |
4d454574 PB |
4797 | }, |
4798 | { /* end of list */ } | |
4799 | }, | |
4800 | }; | |
f2ae8abf MT |
4801 | |
4802 | #ifndef TARGET_I386 | |
4803 | void qmp_rtc_reset_reinjection(Error **errp) | |
4804 | { | |
c6bd8c70 | 4805 | error_setg(errp, QERR_FEATURE_DISABLED, "rtc-reset-reinjection"); |
f2ae8abf | 4806 | } |
08a161fd BS |
4807 | |
4808 | SevInfo *qmp_query_sev(Error **errp) | |
4809 | { | |
4810 | error_setg(errp, QERR_FEATURE_DISABLED, "query-sev"); | |
4811 | return NULL; | |
4812 | } | |
1b6a034f BS |
4813 | |
4814 | SevLaunchMeasureInfo *qmp_query_sev_launch_measure(Error **errp) | |
4815 | { | |
4816 | error_setg(errp, QERR_FEATURE_DISABLED, "query-sev-launch-measure"); | |
4817 | return NULL; | |
4818 | } | |
31dd67f6 BS |
4819 | |
4820 | SevCapability *qmp_query_sev_capabilities(Error **errp) | |
4821 | { | |
4822 | error_setg(errp, QERR_FEATURE_DISABLED, "query-sev-capabilities"); | |
4823 | return NULL; | |
4824 | } | |
f2ae8abf | 4825 | #endif |
7ee0c3e3 JH |
4826 | |
4827 | #ifndef TARGET_S390X | |
4828 | void qmp_dump_skeys(const char *filename, Error **errp) | |
4829 | { | |
4830 | error_setg(errp, QERR_FEATURE_DISABLED, "dump-skeys"); | |
4831 | } | |
4832 | #endif | |
ae50a770 PX |
4833 | |
4834 | #ifndef TARGET_ARM | |
4835 | GICCapabilityList *qmp_query_gic_capabilities(Error **errp) | |
4836 | { | |
4837 | error_setg(errp, QERR_FEATURE_DISABLED, "query-gic-capabilities"); | |
4838 | return NULL; | |
4839 | } | |
4840 | #endif | |
d4633541 IM |
4841 | |
4842 | HotpluggableCPUList *qmp_query_hotpluggable_cpus(Error **errp) | |
4843 | { | |
4844 | MachineState *ms = MACHINE(qdev_get_machine()); | |
4845 | MachineClass *mc = MACHINE_GET_CLASS(ms); | |
4846 | ||
c5514d0e | 4847 | if (!mc->has_hotpluggable_cpus) { |
d4633541 IM |
4848 | error_setg(errp, QERR_FEATURE_DISABLED, "query-hotpluggable-cpus"); |
4849 | return NULL; | |
4850 | } | |
4851 | ||
c5514d0e | 4852 | return machine_query_hotpluggable_cpus(ms); |
d4633541 | 4853 | } |