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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" |
b76806d4 DB |
54 | #include "authz/list.h" |
55 | #include "qapi/util.h" | |
bdee56f5 | 56 | #include "sysemu/tpm.h" |
452fcdbc | 57 | #include "qapi/qmp/qdict.h" |
cc7a8ea7 | 58 | #include "qapi/qmp/qerror.h" |
15280c36 | 59 | #include "qapi/qmp/qnum.h" |
fc81fa1e | 60 | #include "qapi/qmp/qstring.h" |
7b1b5d19 | 61 | #include "qapi/qmp/qjson.h" |
86cdf9ec | 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 | 78 | #include "qapi/qapi-commands.h" |
5d75648b | 79 | #include "qapi/qapi-emit-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" |
72fd2efb | 87 | #include "tcg/tcg.h" |
6a5bd307 | 88 | |
a4538a5c JH |
89 | #if defined(TARGET_S390X) |
90 | #include "hw/s390x/storage-keys.h" | |
f860d497 | 91 | #include "hw/s390x/storage-attributes.h" |
a4538a5c JH |
92 | #endif |
93 | ||
9307c4c1 FB |
94 | /* |
95 | * Supported types: | |
5fafdf24 | 96 | * |
9307c4c1 | 97 | * 'F' filename |
81d0912d | 98 | * 'B' block device name |
9307c4c1 | 99 | * 's' string (accept optional quote) |
129be006 | 100 | * 'S' it just appends the rest of the string (accept optional quote) |
361127df MA |
101 | * 'O' option string of the form NAME=VALUE,... |
102 | * parsed according to QemuOptsList given by its name | |
103 | * Example: 'device:O' uses qemu_device_opts. | |
104 | * Restriction: only lists with empty desc are supported | |
105 | * TODO lift the restriction | |
92a31b1f FB |
106 | * 'i' 32 bit integer |
107 | * 'l' target long (32 or 64 bit) | |
91162849 LC |
108 | * 'M' Non-negative target long (32 or 64 bit), in user mode the |
109 | * value is multiplied by 2^20 (think Mebibyte) | |
dbc0c67f | 110 | * 'o' octets (aka bytes) |
5e00984a KW |
111 | * user mode accepts an optional E, e, P, p, T, t, G, g, M, m, |
112 | * K, k suffix, which multiplies the value by 2^60 for suffixes E | |
113 | * and e, 2^50 for suffixes P and p, 2^40 for suffixes T and t, | |
114 | * 2^30 for suffixes G and g, 2^20 for M and m, 2^10 for K and k | |
fccfb11e MA |
115 | * 'T' double |
116 | * user mode accepts an optional ms, us, ns suffix, | |
117 | * which divides the value by 1e3, 1e6, 1e9, respectively | |
9307c4c1 FB |
118 | * '/' optional gdb-like print format (like "/10x") |
119 | * | |
fb46660e LC |
120 | * '?' optional type (for all types, except '/') |
121 | * '.' other form of optional type (for 'i' and 'l') | |
942cd1f2 MA |
122 | * 'b' boolean |
123 | * user mode accepts "on" or "off" | |
fb46660e | 124 | * '-' optional parameter (eg. '-f') |
9307c4c1 FB |
125 | * |
126 | */ | |
127 | ||
c227f099 | 128 | typedef struct mon_cmd_t { |
9dc39cba | 129 | const char *name; |
9307c4c1 | 130 | const char *args_type; |
9dc39cba FB |
131 | const char *params; |
132 | const char *help; | |
c3120f71 | 133 | const char *flags; /* p=preconfig */ |
2b9e3576 MAL |
134 | void (*cmd)(Monitor *mon, const QDict *qdict); |
135 | /* @sub_table is a list of 2nd level of commands. If it does not exist, | |
136 | * cmd should be used. If it exists, sub_table[?].cmd should be | |
137 | * used, and cmd of 1st level plays the role of help function. | |
5f3d335f WX |
138 | */ |
139 | struct mon_cmd_t *sub_table; | |
bfa40f77 | 140 | void (*command_completion)(ReadLineState *rs, int nb_args, const char *str); |
c227f099 | 141 | } mon_cmd_t; |
9dc39cba | 142 | |
f07918fd | 143 | /* file descriptors passed via SCM_RIGHTS */ |
c227f099 AL |
144 | typedef struct mon_fd_t mon_fd_t; |
145 | struct mon_fd_t { | |
f07918fd MM |
146 | char *name; |
147 | int fd; | |
c227f099 | 148 | QLIST_ENTRY(mon_fd_t) next; |
f07918fd MM |
149 | }; |
150 | ||
ba1c048a CB |
151 | /* file descriptor associated with a file descriptor set */ |
152 | typedef struct MonFdsetFd MonFdsetFd; | |
153 | struct MonFdsetFd { | |
154 | int fd; | |
155 | bool removed; | |
156 | char *opaque; | |
157 | QLIST_ENTRY(MonFdsetFd) next; | |
158 | }; | |
159 | ||
160 | /* file descriptor set containing fds passed via SCM_RIGHTS */ | |
161 | typedef struct MonFdset MonFdset; | |
162 | struct MonFdset { | |
163 | int64_t id; | |
164 | QLIST_HEAD(, MonFdsetFd) fds; | |
adb696f3 | 165 | QLIST_HEAD(, MonFdsetFd) dup_fds; |
ba1c048a CB |
166 | QLIST_ENTRY(MonFdset) next; |
167 | }; | |
168 | ||
74358f2a | 169 | typedef struct { |
5fa737a4 | 170 | JSONMessageParser parser; |
f994b258 MA |
171 | /* |
172 | * When a client connects, we're in capabilities negotiation mode. | |
774a6b67 MA |
173 | * @commands is &qmp_cap_negotiation_commands then. When command |
174 | * qmp_capabilities succeeds, we go into command mode, and | |
175 | * @command becomes &qmp_commands. | |
f994b258 | 176 | */ |
635db18f | 177 | QmpCommandList *commands; |
279f9e08 MA |
178 | bool capab_offered[QMP_CAPABILITY__MAX]; /* capabilities offered */ |
179 | bool capab[QMP_CAPABILITY__MAX]; /* offered and accepted */ | |
71da4667 | 180 | /* |
774a6b67 MA |
181 | * Protects qmp request/response queue. |
182 | * Take monitor_lock first when you need both. | |
71da4667 PX |
183 | */ |
184 | QemuMutex qmp_queue_lock; | |
185 | /* Input queue that holds all the parsed QMP requests */ | |
186 | GQueue *qmp_requests; | |
74358f2a | 187 | } MonitorQMP; |
5fa737a4 | 188 | |
afeecec2 DB |
189 | /* |
190 | * To prevent flooding clients, events can be throttled. The | |
191 | * throttling is calculated globally, rather than per-Monitor | |
192 | * instance. | |
193 | */ | |
43a14cfc | 194 | typedef struct MonitorQAPIEventState { |
7de0be65 MA |
195 | QAPIEvent event; /* Throttling state for this event type and... */ |
196 | QDict *data; /* ... data, see qapi_event_throttle_equal() */ | |
afeecec2 | 197 | QEMUTimer *timer; /* Timer for handling delayed events */ |
688b4b7d | 198 | QDict *qdict; /* Delayed event (if any) */ |
43a14cfc | 199 | } MonitorQAPIEventState; |
afeecec2 | 200 | |
b9b03ab0 MA |
201 | typedef struct { |
202 | int64_t rate; /* Minimum time (in ns) between two events */ | |
203 | } MonitorQAPIEventConf; | |
204 | ||
87127161 | 205 | struct Monitor { |
32a6ebec | 206 | CharBackend chr; |
a7aec5da | 207 | int reset_seen; |
731b0364 | 208 | int flags; |
df152fb9 | 209 | int suspend_cnt; /* Needs to be accessed atomically */ |
48c043d0 | 210 | bool skip_flush; |
f91dc2a0 | 211 | bool use_io_thread; |
d9f25280 PX |
212 | |
213 | /* | |
214 | * State used only in the thread "owning" the monitor. | |
cab5ad86 | 215 | * If @use_io_thread, this is @mon_iothread. |
d9f25280 PX |
216 | * Else, it's the main thread. |
217 | * These members can be safely accessed without locks. | |
218 | */ | |
731b0364 | 219 | ReadLineState *rs; |
d9f25280 | 220 | |
74358f2a | 221 | MonitorQMP qmp; |
751f8cfe | 222 | gchar *mon_cpu_path; |
097310b5 | 223 | BlockCompletionFunc *password_completion_cb; |
731b0364 | 224 | void *password_opaque; |
7717239d | 225 | mon_cmd_t *cmd_table; |
238d9f34 | 226 | QTAILQ_ENTRY(Monitor) entry; |
dc7cbcd8 PX |
227 | |
228 | /* | |
229 | * The per-monitor lock. We can't access guest memory when holding | |
230 | * the lock. | |
231 | */ | |
232 | QemuMutex mon_lock; | |
233 | ||
234 | /* | |
774a6b67 | 235 | * Members that are protected by the per-monitor lock |
dc7cbcd8 | 236 | */ |
9409fc05 | 237 | QLIST_HEAD(, mon_fd_t) fds; |
dc7cbcd8 PX |
238 | QString *outbuf; |
239 | guint out_watch; | |
240 | /* Read under either BQL or mon_lock, written with BQL+mon_lock. */ | |
241 | int mux_out; | |
87127161 AL |
242 | }; |
243 | ||
774a6b67 | 244 | /* Shared monitor I/O thread */ |
cab5ad86 MA |
245 | IOThread *mon_iothread; |
246 | ||
247 | /* Bottom half to dispatch the requests received from I/O thread */ | |
248 | QEMUBH *qmp_dispatcher_bh; | |
249 | ||
6d2d563f PX |
250 | struct QMPRequest { |
251 | /* Owner of the request */ | |
252 | Monitor *mon; | |
1cc37471 MA |
253 | /* |
254 | * Request object to be handled or Error to be reported | |
255 | * (exactly one of them is non-null) | |
256 | */ | |
6d2d563f | 257 | QObject *req; |
1cc37471 | 258 | Error *err; |
6d2d563f PX |
259 | }; |
260 | typedef struct QMPRequest QMPRequest; | |
261 | ||
2dbc8db0 LC |
262 | /* QMP checker flags */ |
263 | #define QMP_ACCEPT_UNKNOWNS 1 | |
264 | ||
8dac00bb | 265 | /* Protects mon_list, monitor_qapi_event_state, monitor_destroyed. */ |
d622cb58 | 266 | static QemuMutex monitor_lock; |
095cb1bf | 267 | static GHashTable *monitor_qapi_event_state; |
b58deb34 | 268 | static QTAILQ_HEAD(, Monitor) mon_list; |
8dac00bb | 269 | static bool monitor_destroyed; |
095cb1bf | 270 | |
47451466 PX |
271 | /* Protects mon_fdsets */ |
272 | static QemuMutex mon_fdsets_lock; | |
b58deb34 | 273 | static QLIST_HEAD(, MonFdset) mon_fdsets; |
47451466 | 274 | |
efb87c16 | 275 | static int mon_refcount; |
7e2515e8 | 276 | |
816f8925 WX |
277 | static mon_cmd_t mon_cmds[]; |
278 | static mon_cmd_t info_cmds[]; | |
9dc39cba | 279 | |
635db18f | 280 | QmpCommandList qmp_commands, qmp_cap_negotiation_commands; |
1527badb | 281 | |
62aa1d88 | 282 | __thread Monitor *cur_mon; |
376253ec | 283 | |
c60bf339 SH |
284 | static void monitor_command_cb(void *opaque, const char *cmdline, |
285 | void *readline_opaque); | |
83ab7950 | 286 | |
9f3982f2 MA |
287 | /** |
288 | * Is @mon a QMP monitor? | |
289 | */ | |
290 | static inline bool monitor_is_qmp(const Monitor *mon) | |
418173c7 LC |
291 | { |
292 | return (mon->flags & MONITOR_USE_CONTROL); | |
293 | } | |
294 | ||
e3e977d4 | 295 | /** |
774a6b67 MA |
296 | * Is @mon is using readline? |
297 | * Note: not all HMP monitors use readline, e.g., gdbserver has a | |
298 | * non-interactive HMP monitor, so readline is not used there. | |
e3e977d4 PX |
299 | */ |
300 | static inline bool monitor_uses_readline(const Monitor *mon) | |
301 | { | |
302 | return mon->flags & MONITOR_USE_READLINE; | |
303 | } | |
304 | ||
305 | static inline bool monitor_is_hmp_non_interactive(const Monitor *mon) | |
306 | { | |
307 | return !monitor_is_qmp(mon) && !monitor_uses_readline(mon); | |
308 | } | |
309 | ||
6e8c5f4d PX |
310 | /* |
311 | * Return the clock to use for recording an event's time. | |
774a6b67 MA |
312 | * It's QEMU_CLOCK_REALTIME, except for qtests it's |
313 | * QEMU_CLOCK_VIRTUAL, to support testing rate limits. | |
6e8c5f4d PX |
314 | * Beware: result is invalid before configure_accelerator(). |
315 | */ | |
316 | static inline QEMUClockType monitor_get_event_clock(void) | |
317 | { | |
6e8c5f4d PX |
318 | return qtest_enabled() ? QEMU_CLOCK_VIRTUAL : QEMU_CLOCK_REALTIME; |
319 | } | |
320 | ||
489653b5 MA |
321 | /** |
322 | * Is the current monitor, if any, a QMP monitor? | |
323 | */ | |
324 | bool monitor_cur_is_qmp(void) | |
6620d3ce | 325 | { |
9f3982f2 | 326 | return cur_mon && monitor_is_qmp(cur_mon); |
6620d3ce MA |
327 | } |
328 | ||
7060b478 | 329 | void monitor_read_command(Monitor *mon, int show_prompt) |
731b0364 | 330 | { |
183e6e52 LC |
331 | if (!mon->rs) |
332 | return; | |
333 | ||
731b0364 AL |
334 | readline_start(mon->rs, "(qemu) ", 0, monitor_command_cb, NULL); |
335 | if (show_prompt) | |
336 | readline_show_prompt(mon->rs); | |
337 | } | |
6a00d601 | 338 | |
7060b478 AL |
339 | int monitor_read_password(Monitor *mon, ReadLineFunc *readline_func, |
340 | void *opaque) | |
bb5fc20f | 341 | { |
bcf5d19c | 342 | if (mon->rs) { |
cde76ee1 AL |
343 | readline_start(mon->rs, "Password: ", 1, readline_func, opaque); |
344 | /* prompt is printed on return from the command handler */ | |
345 | return 0; | |
346 | } else { | |
347 | monitor_printf(mon, "terminal does not support password prompting\n"); | |
348 | return -ENOTTY; | |
349 | } | |
bb5fc20f AL |
350 | } |
351 | ||
6d2d563f PX |
352 | static void qmp_request_free(QMPRequest *req) |
353 | { | |
cb3e7f08 | 354 | qobject_unref(req->req); |
1cc37471 | 355 | error_free(req->err); |
6d2d563f PX |
356 | g_free(req); |
357 | } | |
358 | ||
774a6b67 | 359 | /* Caller must hold mon->qmp.qmp_queue_lock */ |
6d2d563f PX |
360 | static void monitor_qmp_cleanup_req_queue_locked(Monitor *mon) |
361 | { | |
362 | while (!g_queue_is_empty(mon->qmp.qmp_requests)) { | |
363 | qmp_request_free(g_queue_pop_head(mon->qmp.qmp_requests)); | |
364 | } | |
365 | } | |
366 | ||
6d2d563f PX |
367 | static void monitor_qmp_cleanup_queues(Monitor *mon) |
368 | { | |
369 | qemu_mutex_lock(&mon->qmp.qmp_queue_lock); | |
370 | monitor_qmp_cleanup_req_queue_locked(mon); | |
6d2d563f PX |
371 | qemu_mutex_unlock(&mon->qmp.qmp_queue_lock); |
372 | } | |
373 | ||
374 | ||
6cff3e85 PB |
375 | static void monitor_flush_locked(Monitor *mon); |
376 | ||
f628926b GH |
377 | static gboolean monitor_unblocked(GIOChannel *chan, GIOCondition cond, |
378 | void *opaque) | |
379 | { | |
293d2a00 LE |
380 | Monitor *mon = opaque; |
381 | ||
dc7cbcd8 | 382 | qemu_mutex_lock(&mon->mon_lock); |
6cff3e85 PB |
383 | mon->out_watch = 0; |
384 | monitor_flush_locked(mon); | |
dc7cbcd8 | 385 | qemu_mutex_unlock(&mon->mon_lock); |
f628926b GH |
386 | return FALSE; |
387 | } | |
388 | ||
774a6b67 | 389 | /* Caller must hold mon->mon_lock */ |
6cff3e85 | 390 | static void monitor_flush_locked(Monitor *mon) |
7e2515e8 | 391 | { |
f628926b | 392 | int rc; |
e1f2641b LC |
393 | size_t len; |
394 | const char *buf; | |
395 | ||
48c043d0 LC |
396 | if (mon->skip_flush) { |
397 | return; | |
398 | } | |
399 | ||
e1f2641b LC |
400 | buf = qstring_get_str(mon->outbuf); |
401 | len = qstring_get_length(mon->outbuf); | |
f628926b | 402 | |
a4cc73d6 | 403 | if (len && !mon->mux_out) { |
5345fdb4 | 404 | rc = qemu_chr_fe_write(&mon->chr, (const uint8_t *) buf, len); |
056f49ff SP |
405 | if ((rc < 0 && errno != EAGAIN) || (rc == len)) { |
406 | /* all flushed or error */ | |
cb3e7f08 | 407 | qobject_unref(mon->outbuf); |
e1f2641b | 408 | mon->outbuf = qstring_new(); |
f628926b GH |
409 | return; |
410 | } | |
411 | if (rc > 0) { | |
3b7c78c8 | 412 | /* partial write */ |
e1f2641b | 413 | QString *tmp = qstring_from_str(buf + rc); |
cb3e7f08 | 414 | qobject_unref(mon->outbuf); |
e1f2641b | 415 | mon->outbuf = tmp; |
f628926b | 416 | } |
6cff3e85 | 417 | if (mon->out_watch == 0) { |
32a6ebec | 418 | mon->out_watch = |
5345fdb4 | 419 | qemu_chr_fe_add_watch(&mon->chr, G_IO_OUT | G_IO_HUP, |
32a6ebec | 420 | monitor_unblocked, mon); |
293d2a00 | 421 | } |
7e2515e8 FB |
422 | } |
423 | } | |
424 | ||
6cff3e85 PB |
425 | void monitor_flush(Monitor *mon) |
426 | { | |
dc7cbcd8 | 427 | qemu_mutex_lock(&mon->mon_lock); |
6cff3e85 | 428 | monitor_flush_locked(mon); |
dc7cbcd8 | 429 | qemu_mutex_unlock(&mon->mon_lock); |
6cff3e85 PB |
430 | } |
431 | ||
e1f2641b | 432 | /* flush at every end of line */ |
679cb8e1 | 433 | static int monitor_puts(Monitor *mon, const char *str) |
7e2515e8 | 434 | { |
679cb8e1 | 435 | int i; |
60fe76f3 | 436 | char c; |
731b0364 | 437 | |
dc7cbcd8 | 438 | qemu_mutex_lock(&mon->mon_lock); |
679cb8e1 MA |
439 | for (i = 0; str[i]; i++) { |
440 | c = str[i]; | |
e1f2641b LC |
441 | if (c == '\n') { |
442 | qstring_append_chr(mon->outbuf, '\r'); | |
443 | } | |
444 | qstring_append_chr(mon->outbuf, c); | |
445 | if (c == '\n') { | |
6cff3e85 | 446 | monitor_flush_locked(mon); |
e1f2641b | 447 | } |
7e2515e8 | 448 | } |
dc7cbcd8 | 449 | qemu_mutex_unlock(&mon->mon_lock); |
679cb8e1 MA |
450 | |
451 | return i; | |
7e2515e8 FB |
452 | } |
453 | ||
679cb8e1 | 454 | int monitor_vprintf(Monitor *mon, const char *fmt, va_list ap) |
9dc39cba | 455 | { |
e1f2641b | 456 | char *buf; |
679cb8e1 | 457 | int n; |
b8b08266 | 458 | |
2daa1191 | 459 | if (!mon) |
679cb8e1 | 460 | return -1; |
2daa1191 | 461 | |
9f3982f2 | 462 | if (monitor_is_qmp(mon)) { |
679cb8e1 | 463 | return -1; |
4a29a85d | 464 | } |
b8b08266 | 465 | |
e1f2641b | 466 | buf = g_strdup_vprintf(fmt, ap); |
679cb8e1 | 467 | n = monitor_puts(mon, buf); |
e1f2641b | 468 | g_free(buf); |
679cb8e1 | 469 | return n; |
9dc39cba FB |
470 | } |
471 | ||
679cb8e1 | 472 | int monitor_printf(Monitor *mon, const char *fmt, ...) |
9dc39cba | 473 | { |
679cb8e1 MA |
474 | int ret; |
475 | ||
7e2515e8 FB |
476 | va_list ap; |
477 | va_start(ap, fmt); | |
679cb8e1 | 478 | ret = monitor_vprintf(mon, fmt, ap); |
7e2515e8 | 479 | va_end(ap); |
679cb8e1 | 480 | return ret; |
9dc39cba FB |
481 | } |
482 | ||
caf15319 | 483 | int monitor_fprintf(FILE *stream, const char *fmt, ...) |
7fe48483 | 484 | { |
679cb8e1 MA |
485 | int ret; |
486 | ||
7fe48483 FB |
487 | va_list ap; |
488 | va_start(ap, fmt); | |
679cb8e1 | 489 | ret = monitor_vprintf((Monitor *)stream, fmt, ap); |
7fe48483 | 490 | va_end(ap); |
679cb8e1 | 491 | return ret; |
7fe48483 FB |
492 | } |
493 | ||
6cd112e2 | 494 | static void qmp_send_response(Monitor *mon, const QDict *rsp) |
9b57c02e | 495 | { |
6cd112e2 | 496 | const QObject *data = QOBJECT(rsp); |
9b57c02e LC |
497 | QString *json; |
498 | ||
83a27d4d LC |
499 | json = mon->flags & MONITOR_USE_PRETTY ? qobject_to_json_pretty(data) : |
500 | qobject_to_json(data); | |
9b57c02e LC |
501 | assert(json != NULL); |
502 | ||
b8b08266 LC |
503 | qstring_append_chr(json, '\n'); |
504 | monitor_puts(mon, qstring_get_str(json)); | |
4a29a85d | 505 | |
cb3e7f08 | 506 | qobject_unref(json); |
9b57c02e LC |
507 | } |
508 | ||
7fb1cf16 | 509 | static MonitorQAPIEventConf monitor_qapi_event_conf[QAPI_EVENT__MAX] = { |
b9b03ab0 MA |
510 | /* Limit guest-triggerable events to 1 per second */ |
511 | [QAPI_EVENT_RTC_CHANGE] = { 1000 * SCALE_MS }, | |
512 | [QAPI_EVENT_WATCHDOG] = { 1000 * SCALE_MS }, | |
513 | [QAPI_EVENT_BALLOON_CHANGE] = { 1000 * SCALE_MS }, | |
514 | [QAPI_EVENT_QUORUM_REPORT_BAD] = { 1000 * SCALE_MS }, | |
515 | [QAPI_EVENT_QUORUM_FAILURE] = { 1000 * SCALE_MS }, | |
516 | [QAPI_EVENT_VSERPORT_CHANGE] = { 1000 * SCALE_MS }, | |
517 | }; | |
518 | ||
afeecec2 | 519 | /* |
774a6b67 MA |
520 | * Broadcast an event to all monitors. |
521 | * @qdict is the event object. Its member "event" must match @event. | |
522 | * Caller must hold monitor_lock. | |
afeecec2 | 523 | */ |
688b4b7d | 524 | static void monitor_qapi_event_emit(QAPIEvent event, QDict *qdict) |
afeecec2 DB |
525 | { |
526 | Monitor *mon; | |
527 | ||
688b4b7d | 528 | trace_monitor_protocol_event_emit(event, qdict); |
238d9f34 | 529 | QTAILQ_FOREACH(mon, &mon_list, entry) { |
635db18f MA |
530 | if (monitor_is_qmp(mon) |
531 | && mon->qmp.commands != &qmp_cap_negotiation_commands) { | |
27656018 | 532 | qmp_send_response(mon, qdict); |
afeecec2 DB |
533 | } |
534 | } | |
535 | } | |
536 | ||
a24712af MA |
537 | static void monitor_qapi_event_handler(void *opaque); |
538 | ||
afeecec2 DB |
539 | /* |
540 | * Queue a new event for emission to Monitor instances, | |
541 | * applying any rate limiting if required. | |
542 | */ | |
543 | static void | |
9a105406 | 544 | monitor_qapi_event_queue_no_reenter(QAPIEvent event, QDict *qdict) |
afeecec2 | 545 | { |
b9b03ab0 | 546 | MonitorQAPIEventConf *evconf; |
43a14cfc | 547 | MonitorQAPIEventState *evstate; |
afeecec2 | 548 | |
7fb1cf16 | 549 | assert(event < QAPI_EVENT__MAX); |
b9b03ab0 | 550 | evconf = &monitor_qapi_event_conf[event]; |
b9b03ab0 | 551 | trace_monitor_protocol_event_queue(event, qdict, evconf->rate); |
afeecec2 | 552 | |
d622cb58 | 553 | qemu_mutex_lock(&monitor_lock); |
93f8f982 | 554 | |
b9b03ab0 | 555 | if (!evconf->rate) { |
93f8f982 | 556 | /* Unthrottled event */ |
688b4b7d | 557 | monitor_qapi_event_emit(event, qdict); |
afeecec2 | 558 | } else { |
7dc847eb | 559 | QDict *data = qobject_to(QDict, qdict_get(qdict, "data")); |
7de0be65 | 560 | MonitorQAPIEventState key = { .event = event, .data = data }; |
a24712af MA |
561 | |
562 | evstate = g_hash_table_lookup(monitor_qapi_event_state, &key); | |
563 | assert(!evstate || timer_pending(evstate->timer)); | |
564 | ||
565 | if (evstate) { | |
93f8f982 | 566 | /* |
b9b03ab0 | 567 | * Timer is pending for (at least) evconf->rate ns after |
93f8f982 MA |
568 | * last send. Store event for sending when timer fires, |
569 | * replacing a prior stored event if any. | |
afeecec2 | 570 | */ |
cb3e7f08 | 571 | qobject_unref(evstate->qdict); |
f5a74a5a | 572 | evstate->qdict = qobject_ref(qdict); |
afeecec2 | 573 | } else { |
93f8f982 | 574 | /* |
b9b03ab0 | 575 | * Last send was (at least) evconf->rate ns ago. |
93f8f982 | 576 | * Send immediately, and arm the timer to call |
b9b03ab0 | 577 | * monitor_qapi_event_handler() in evconf->rate ns. Any |
93f8f982 MA |
578 | * events arriving before then will be delayed until then. |
579 | */ | |
6e8c5f4d | 580 | int64_t now = qemu_clock_get_ns(monitor_get_event_clock()); |
93f8f982 | 581 | |
688b4b7d | 582 | monitor_qapi_event_emit(event, qdict); |
a24712af MA |
583 | |
584 | evstate = g_new(MonitorQAPIEventState, 1); | |
585 | evstate->event = event; | |
f5a74a5a | 586 | evstate->data = qobject_ref(data); |
a24712af | 587 | evstate->qdict = NULL; |
6e8c5f4d | 588 | evstate->timer = timer_new_ns(monitor_get_event_clock(), |
a24712af MA |
589 | monitor_qapi_event_handler, |
590 | evstate); | |
591 | g_hash_table_add(monitor_qapi_event_state, evstate); | |
b9b03ab0 | 592 | timer_mod_ns(evstate->timer, now + evconf->rate); |
afeecec2 DB |
593 | } |
594 | } | |
93f8f982 | 595 | |
d622cb58 | 596 | qemu_mutex_unlock(&monitor_lock); |
afeecec2 DB |
597 | } |
598 | ||
a9529100 | 599 | void qapi_event_emit(QAPIEvent event, QDict *qdict) |
9a105406 MAL |
600 | { |
601 | /* | |
602 | * monitor_qapi_event_queue_no_reenter() is not reentrant: it | |
603 | * would deadlock on monitor_lock. Work around by queueing | |
604 | * events in thread-local storage. | |
605 | * TODO: remove this, make it re-enter safe. | |
606 | */ | |
607 | typedef struct MonitorQapiEvent { | |
608 | QAPIEvent event; | |
609 | QDict *qdict; | |
610 | QSIMPLEQ_ENTRY(MonitorQapiEvent) entry; | |
611 | } MonitorQapiEvent; | |
612 | static __thread QSIMPLEQ_HEAD(, MonitorQapiEvent) event_queue; | |
613 | static __thread bool reentered; | |
614 | MonitorQapiEvent *ev; | |
615 | ||
616 | if (!reentered) { | |
617 | QSIMPLEQ_INIT(&event_queue); | |
618 | } | |
619 | ||
620 | ev = g_new(MonitorQapiEvent, 1); | |
621 | ev->qdict = qobject_ref(qdict); | |
622 | ev->event = event; | |
623 | QSIMPLEQ_INSERT_TAIL(&event_queue, ev, entry); | |
624 | if (reentered) { | |
625 | return; | |
626 | } | |
627 | ||
628 | reentered = true; | |
629 | ||
630 | while ((ev = QSIMPLEQ_FIRST(&event_queue)) != NULL) { | |
631 | QSIMPLEQ_REMOVE_HEAD(&event_queue, entry); | |
632 | monitor_qapi_event_queue_no_reenter(ev->event, ev->qdict); | |
633 | qobject_unref(ev->qdict); | |
634 | g_free(ev); | |
635 | } | |
636 | ||
637 | reentered = false; | |
638 | } | |
639 | ||
afeecec2 | 640 | /* |
b9b03ab0 | 641 | * This function runs evconf->rate ns after sending a throttled |
93f8f982 MA |
642 | * event. |
643 | * If another event has since been stored, send it. | |
afeecec2 | 644 | */ |
43a14cfc | 645 | static void monitor_qapi_event_handler(void *opaque) |
afeecec2 | 646 | { |
43a14cfc | 647 | MonitorQAPIEventState *evstate = opaque; |
b9b03ab0 | 648 | MonitorQAPIEventConf *evconf = &monitor_qapi_event_conf[evstate->event]; |
afeecec2 | 649 | |
93f8f982 | 650 | trace_monitor_protocol_event_handler(evstate->event, evstate->qdict); |
d622cb58 | 651 | qemu_mutex_lock(&monitor_lock); |
93f8f982 | 652 | |
688b4b7d | 653 | if (evstate->qdict) { |
6e8c5f4d | 654 | int64_t now = qemu_clock_get_ns(monitor_get_event_clock()); |
93f8f982 | 655 | |
688b4b7d | 656 | monitor_qapi_event_emit(evstate->event, evstate->qdict); |
cb3e7f08 | 657 | qobject_unref(evstate->qdict); |
688b4b7d | 658 | evstate->qdict = NULL; |
b9b03ab0 | 659 | timer_mod_ns(evstate->timer, now + evconf->rate); |
a24712af MA |
660 | } else { |
661 | g_hash_table_remove(monitor_qapi_event_state, evstate); | |
cb3e7f08 | 662 | qobject_unref(evstate->data); |
a24712af MA |
663 | timer_free(evstate->timer); |
664 | g_free(evstate); | |
afeecec2 | 665 | } |
93f8f982 | 666 | |
d622cb58 | 667 | qemu_mutex_unlock(&monitor_lock); |
afeecec2 DB |
668 | } |
669 | ||
a24712af | 670 | static unsigned int qapi_event_throttle_hash(const void *key) |
afeecec2 | 671 | { |
a24712af | 672 | const MonitorQAPIEventState *evstate = key; |
7de0be65 | 673 | unsigned int hash = evstate->event * 255; |
afeecec2 | 674 | |
7de0be65 MA |
675 | if (evstate->event == QAPI_EVENT_VSERPORT_CHANGE) { |
676 | hash += g_str_hash(qdict_get_str(evstate->data, "id")); | |
677 | } | |
678 | ||
6d425eb9 AG |
679 | if (evstate->event == QAPI_EVENT_QUORUM_REPORT_BAD) { |
680 | hash += g_str_hash(qdict_get_str(evstate->data, "node-name")); | |
681 | } | |
682 | ||
7de0be65 | 683 | return hash; |
a24712af | 684 | } |
0d1ea871 | 685 | |
a24712af MA |
686 | static gboolean qapi_event_throttle_equal(const void *a, const void *b) |
687 | { | |
688 | const MonitorQAPIEventState *eva = a; | |
689 | const MonitorQAPIEventState *evb = b; | |
690 | ||
7de0be65 MA |
691 | if (eva->event != evb->event) { |
692 | return FALSE; | |
693 | } | |
694 | ||
695 | if (eva->event == QAPI_EVENT_VSERPORT_CHANGE) { | |
696 | return !strcmp(qdict_get_str(eva->data, "id"), | |
697 | qdict_get_str(evb->data, "id")); | |
698 | } | |
699 | ||
6d425eb9 AG |
700 | if (eva->event == QAPI_EVENT_QUORUM_REPORT_BAD) { |
701 | return !strcmp(qdict_get_str(eva->data, "node-name"), | |
702 | qdict_get_str(evb->data, "node-name")); | |
703 | } | |
704 | ||
7de0be65 | 705 | return TRUE; |
a24712af MA |
706 | } |
707 | ||
708 | static void monitor_qapi_event_init(void) | |
709 | { | |
710 | monitor_qapi_event_state = g_hash_table_new(qapi_event_throttle_hash, | |
711 | qapi_event_throttle_equal); | |
0d1ea871 LC |
712 | } |
713 | ||
7ef6cf63 | 714 | static void handle_hmp_command(Monitor *mon, const char *cmdline); |
0268d97c | 715 | |
85117701 WB |
716 | static void monitor_iothread_init(void); |
717 | ||
a5ed3525 | 718 | static void monitor_data_init(Monitor *mon, bool skip_flush, |
f91dc2a0 | 719 | bool use_io_thread) |
b01fe89e | 720 | { |
85117701 WB |
721 | if (use_io_thread && !mon_iothread) { |
722 | monitor_iothread_init(); | |
723 | } | |
b01fe89e | 724 | memset(mon, 0, sizeof(Monitor)); |
dc7cbcd8 | 725 | qemu_mutex_init(&mon->mon_lock); |
71da4667 | 726 | qemu_mutex_init(&mon->qmp.qmp_queue_lock); |
b01fe89e | 727 | mon->outbuf = qstring_new(); |
7717239d WX |
728 | /* Use *mon_cmds by default. */ |
729 | mon->cmd_table = mon_cmds; | |
88a95d10 | 730 | mon->skip_flush = skip_flush; |
f91dc2a0 | 731 | mon->use_io_thread = use_io_thread; |
71da4667 | 732 | mon->qmp.qmp_requests = g_queue_new(); |
b01fe89e WX |
733 | } |
734 | ||
735 | static void monitor_data_destroy(Monitor *mon) | |
736 | { | |
751f8cfe | 737 | g_free(mon->mon_cpu_path); |
1ce2610c | 738 | qemu_chr_fe_deinit(&mon->chr, false); |
2ef45716 MAL |
739 | if (monitor_is_qmp(mon)) { |
740 | json_message_parser_destroy(&mon->qmp.parser); | |
741 | } | |
e5dc1a6c | 742 | readline_free(mon->rs); |
cb3e7f08 | 743 | qobject_unref(mon->outbuf); |
dc7cbcd8 | 744 | qemu_mutex_destroy(&mon->mon_lock); |
71da4667 | 745 | qemu_mutex_destroy(&mon->qmp.qmp_queue_lock); |
6d2d563f | 746 | monitor_qmp_cleanup_req_queue_locked(mon); |
71da4667 | 747 | g_queue_free(mon->qmp.qmp_requests); |
b01fe89e WX |
748 | } |
749 | ||
d51a67b4 LC |
750 | char *qmp_human_monitor_command(const char *command_line, bool has_cpu_index, |
751 | int64_t cpu_index, Error **errp) | |
0268d97c | 752 | { |
d51a67b4 | 753 | char *output = NULL; |
0268d97c | 754 | Monitor *old_mon, hmp; |
0268d97c | 755 | |
a5ed3525 | 756 | monitor_data_init(&hmp, true, false); |
0268d97c LC |
757 | |
758 | old_mon = cur_mon; | |
759 | cur_mon = &hmp; | |
760 | ||
d51a67b4 LC |
761 | if (has_cpu_index) { |
762 | int ret = monitor_set_cpu(cpu_index); | |
0268d97c LC |
763 | if (ret < 0) { |
764 | cur_mon = old_mon; | |
c6bd8c70 MA |
765 | error_setg(errp, QERR_INVALID_PARAMETER_VALUE, "cpu-index", |
766 | "a CPU number"); | |
0268d97c LC |
767 | goto out; |
768 | } | |
769 | } | |
770 | ||
7ef6cf63 | 771 | handle_hmp_command(&hmp, command_line); |
0268d97c LC |
772 | cur_mon = old_mon; |
773 | ||
dc7cbcd8 | 774 | qemu_mutex_lock(&hmp.mon_lock); |
48c043d0 LC |
775 | if (qstring_get_length(hmp.outbuf) > 0) { |
776 | output = g_strdup(qstring_get_str(hmp.outbuf)); | |
d51a67b4 LC |
777 | } else { |
778 | output = g_strdup(""); | |
0268d97c | 779 | } |
dc7cbcd8 | 780 | qemu_mutex_unlock(&hmp.mon_lock); |
0268d97c LC |
781 | |
782 | out: | |
b01fe89e | 783 | monitor_data_destroy(&hmp); |
d51a67b4 | 784 | return output; |
0268d97c LC |
785 | } |
786 | ||
9dc39cba FB |
787 | static int compare_cmd(const char *name, const char *list) |
788 | { | |
789 | const char *p, *pstart; | |
790 | int len; | |
791 | len = strlen(name); | |
792 | p = list; | |
793 | for(;;) { | |
794 | pstart = p; | |
5c99fa37 | 795 | p = qemu_strchrnul(p, '|'); |
9dc39cba FB |
796 | if ((p - pstart) == len && !memcmp(pstart, name, len)) |
797 | return 1; | |
798 | if (*p == '\0') | |
799 | break; | |
800 | p++; | |
801 | } | |
802 | return 0; | |
803 | } | |
804 | ||
f5438c05 WX |
805 | static int get_str(char *buf, int buf_size, const char **pp) |
806 | { | |
807 | const char *p; | |
808 | char *q; | |
809 | int c; | |
810 | ||
811 | q = buf; | |
812 | p = *pp; | |
813 | while (qemu_isspace(*p)) { | |
814 | p++; | |
815 | } | |
816 | if (*p == '\0') { | |
817 | fail: | |
818 | *q = '\0'; | |
819 | *pp = p; | |
820 | return -1; | |
821 | } | |
822 | if (*p == '\"') { | |
823 | p++; | |
824 | while (*p != '\0' && *p != '\"') { | |
825 | if (*p == '\\') { | |
826 | p++; | |
827 | c = *p++; | |
828 | switch (c) { | |
829 | case 'n': | |
830 | c = '\n'; | |
831 | break; | |
832 | case 'r': | |
833 | c = '\r'; | |
834 | break; | |
835 | case '\\': | |
836 | case '\'': | |
837 | case '\"': | |
838 | break; | |
839 | default: | |
71baf787 | 840 | printf("unsupported escape code: '\\%c'\n", c); |
f5438c05 WX |
841 | goto fail; |
842 | } | |
843 | if ((q - buf) < buf_size - 1) { | |
844 | *q++ = c; | |
845 | } | |
846 | } else { | |
847 | if ((q - buf) < buf_size - 1) { | |
848 | *q++ = *p; | |
849 | } | |
850 | p++; | |
851 | } | |
852 | } | |
853 | if (*p != '\"') { | |
71baf787 | 854 | printf("unterminated string\n"); |
f5438c05 WX |
855 | goto fail; |
856 | } | |
857 | p++; | |
858 | } else { | |
859 | while (*p != '\0' && !qemu_isspace(*p)) { | |
860 | if ((q - buf) < buf_size - 1) { | |
861 | *q++ = *p; | |
862 | } | |
863 | p++; | |
864 | } | |
865 | } | |
866 | *q = '\0'; | |
867 | *pp = p; | |
868 | return 0; | |
869 | } | |
870 | ||
871 | #define MAX_ARGS 16 | |
872 | ||
dcc70cdf WX |
873 | static void free_cmdline_args(char **args, int nb_args) |
874 | { | |
875 | int i; | |
876 | ||
877 | assert(nb_args <= MAX_ARGS); | |
878 | ||
879 | for (i = 0; i < nb_args; i++) { | |
880 | g_free(args[i]); | |
881 | } | |
882 | ||
883 | } | |
884 | ||
885 | /* | |
886 | * Parse the command line to get valid args. | |
887 | * @cmdline: command line to be parsed. | |
888 | * @pnb_args: location to store the number of args, must NOT be NULL. | |
889 | * @args: location to store the args, which should be freed by caller, must | |
890 | * NOT be NULL. | |
891 | * | |
892 | * Returns 0 on success, negative on failure. | |
893 | * | |
894 | * NOTE: this parser is an approximate form of the real command parser. Number | |
895 | * of args have a limit of MAX_ARGS. If cmdline contains more, it will | |
896 | * return with failure. | |
897 | */ | |
898 | static int parse_cmdline(const char *cmdline, | |
899 | int *pnb_args, char **args) | |
f5438c05 WX |
900 | { |
901 | const char *p; | |
902 | int nb_args, ret; | |
903 | char buf[1024]; | |
904 | ||
905 | p = cmdline; | |
906 | nb_args = 0; | |
907 | for (;;) { | |
908 | while (qemu_isspace(*p)) { | |
909 | p++; | |
910 | } | |
911 | if (*p == '\0') { | |
912 | break; | |
913 | } | |
914 | if (nb_args >= MAX_ARGS) { | |
dcc70cdf | 915 | goto fail; |
f5438c05 WX |
916 | } |
917 | ret = get_str(buf, sizeof(buf), &p); | |
f5438c05 | 918 | if (ret < 0) { |
dcc70cdf | 919 | goto fail; |
f5438c05 | 920 | } |
dcc70cdf WX |
921 | args[nb_args] = g_strdup(buf); |
922 | nb_args++; | |
f5438c05 WX |
923 | } |
924 | *pnb_args = nb_args; | |
dcc70cdf WX |
925 | return 0; |
926 | ||
927 | fail: | |
928 | free_cmdline_args(args, nb_args); | |
929 | return -1; | |
f5438c05 WX |
930 | } |
931 | ||
c3120f71 | 932 | /* |
774a6b67 | 933 | * Can command @cmd be executed in preconfig state? |
c3120f71 DDAG |
934 | */ |
935 | static bool cmd_can_preconfig(const mon_cmd_t *cmd) | |
936 | { | |
937 | if (!cmd->flags) { | |
938 | return false; | |
939 | } | |
940 | ||
941 | return strchr(cmd->flags, 'p'); | |
942 | } | |
943 | ||
66855495 WX |
944 | static void help_cmd_dump_one(Monitor *mon, |
945 | const mon_cmd_t *cmd, | |
946 | char **prefix_args, | |
947 | int prefix_args_nb) | |
948 | { | |
949 | int i; | |
950 | ||
31785f1b DDAG |
951 | if (runstate_check(RUN_STATE_PRECONFIG) && !cmd_can_preconfig(cmd)) { |
952 | return; | |
953 | } | |
954 | ||
66855495 WX |
955 | for (i = 0; i < prefix_args_nb; i++) { |
956 | monitor_printf(mon, "%s ", prefix_args[i]); | |
957 | } | |
958 | monitor_printf(mon, "%s %s -- %s\n", cmd->name, cmd->params, cmd->help); | |
959 | } | |
960 | ||
961 | /* @args[@arg_index] is the valid command need to find in @cmds */ | |
c227f099 | 962 | static void help_cmd_dump(Monitor *mon, const mon_cmd_t *cmds, |
66855495 | 963 | char **args, int nb_args, int arg_index) |
9dc39cba | 964 | { |
c227f099 | 965 | const mon_cmd_t *cmd; |
43e87b3e | 966 | size_t i; |
9dc39cba | 967 | |
66855495 WX |
968 | /* No valid arg need to compare with, dump all in *cmds */ |
969 | if (arg_index >= nb_args) { | |
970 | for (cmd = cmds; cmd->name != NULL; cmd++) { | |
971 | help_cmd_dump_one(mon, cmd, args, arg_index); | |
972 | } | |
973 | return; | |
974 | } | |
975 | ||
976 | /* Find one entry to dump */ | |
977 | for (cmd = cmds; cmd->name != NULL; cmd++) { | |
31785f1b DDAG |
978 | if (compare_cmd(args[arg_index], cmd->name) && |
979 | ((!runstate_check(RUN_STATE_PRECONFIG) || | |
980 | cmd_can_preconfig(cmd)))) { | |
66855495 WX |
981 | if (cmd->sub_table) { |
982 | /* continue with next arg */ | |
983 | help_cmd_dump(mon, cmd->sub_table, | |
984 | args, nb_args, arg_index + 1); | |
985 | } else { | |
986 | help_cmd_dump_one(mon, cmd, args, arg_index); | |
987 | } | |
43e87b3e | 988 | return; |
66855495 | 989 | } |
9dc39cba | 990 | } |
43e87b3e CW |
991 | |
992 | /* Command not found */ | |
993 | monitor_printf(mon, "unknown command: '"); | |
994 | for (i = 0; i <= arg_index; i++) { | |
995 | monitor_printf(mon, "%s%s", args[i], i == arg_index ? "'\n" : " "); | |
996 | } | |
9dc39cba FB |
997 | } |
998 | ||
376253ec | 999 | static void help_cmd(Monitor *mon, const char *name) |
9dc39cba | 1000 | { |
66855495 WX |
1001 | char *args[MAX_ARGS]; |
1002 | int nb_args = 0; | |
1003 | ||
1004 | /* 1. parse user input */ | |
1005 | if (name) { | |
1006 | /* special case for log, directly dump and return */ | |
1007 | if (!strcmp(name, "log")) { | |
38dad9e5 | 1008 | const QEMULogItem *item; |
376253ec AL |
1009 | monitor_printf(mon, "Log items (comma separated):\n"); |
1010 | monitor_printf(mon, "%-10s %s\n", "none", "remove all logs"); | |
38dad9e5 | 1011 | for (item = qemu_log_items; item->mask != 0; item++) { |
376253ec | 1012 | monitor_printf(mon, "%-10s %s\n", item->name, item->help); |
f193c797 | 1013 | } |
66855495 WX |
1014 | return; |
1015 | } | |
1016 | ||
1017 | if (parse_cmdline(name, &nb_args, args) < 0) { | |
1018 | return; | |
f193c797 | 1019 | } |
9dc39cba | 1020 | } |
66855495 WX |
1021 | |
1022 | /* 2. dump the contents according to parsed args */ | |
1023 | help_cmd_dump(mon, mon->cmd_table, args, nb_args, 0); | |
1024 | ||
1025 | free_cmdline_args(args, nb_args); | |
9dc39cba FB |
1026 | } |
1027 | ||
d54908a5 | 1028 | static void do_help_cmd(Monitor *mon, const QDict *qdict) |
38183186 | 1029 | { |
d54908a5 | 1030 | help_cmd(mon, qdict_get_try_str(qdict, "name")); |
38183186 LC |
1031 | } |
1032 | ||
3e5a50d6 | 1033 | static void hmp_trace_event(Monitor *mon, const QDict *qdict) |
22890ab5 PS |
1034 | { |
1035 | const char *tp_name = qdict_get_str(qdict, "name"); | |
1036 | bool new_state = qdict_get_bool(qdict, "option"); | |
77e2b172 LV |
1037 | bool has_vcpu = qdict_haskey(qdict, "vcpu"); |
1038 | int vcpu = qdict_get_try_int(qdict, "vcpu", 0); | |
14101d02 | 1039 | Error *local_err = NULL; |
f871d689 | 1040 | |
77e2b172 LV |
1041 | if (vcpu < 0) { |
1042 | monitor_printf(mon, "argument vcpu must be positive"); | |
1043 | return; | |
1044 | } | |
1045 | ||
1046 | qmp_trace_event_set_state(tp_name, new_state, true, true, has_vcpu, vcpu, &local_err); | |
14101d02 | 1047 | if (local_err) { |
091e38b7 | 1048 | error_report_err(local_err); |
f871d689 | 1049 | } |
22890ab5 | 1050 | } |
c5ceb523 | 1051 | |
c45a8168 | 1052 | #ifdef CONFIG_TRACE_SIMPLE |
3e5a50d6 | 1053 | static void hmp_trace_file(Monitor *mon, const QDict *qdict) |
c5ceb523 SH |
1054 | { |
1055 | const char *op = qdict_get_try_str(qdict, "op"); | |
1056 | const char *arg = qdict_get_try_str(qdict, "arg"); | |
1057 | ||
1058 | if (!op) { | |
ba4912cb | 1059 | st_print_trace_file_status(); |
c5ceb523 SH |
1060 | } else if (!strcmp(op, "on")) { |
1061 | st_set_trace_file_enabled(true); | |
1062 | } else if (!strcmp(op, "off")) { | |
1063 | st_set_trace_file_enabled(false); | |
1064 | } else if (!strcmp(op, "flush")) { | |
1065 | st_flush_trace_buffer(); | |
1066 | } else if (!strcmp(op, "set")) { | |
1067 | if (arg) { | |
1068 | st_set_trace_file(arg); | |
1069 | } | |
1070 | } else { | |
1071 | monitor_printf(mon, "unexpected argument \"%s\"\n", op); | |
1072 | help_cmd(mon, "trace-file"); | |
1073 | } | |
1074 | } | |
22890ab5 PS |
1075 | #endif |
1076 | ||
3e5a50d6 | 1077 | static void hmp_info_help(Monitor *mon, const QDict *qdict) |
9dc39cba | 1078 | { |
13c7425e | 1079 | help_cmd(mon, "info"); |
9dc39cba FB |
1080 | } |
1081 | ||
9e812b6a | 1082 | static void query_commands_cb(QmpCommand *cmd, void *opaque) |
e3bba9d0 | 1083 | { |
9e812b6a | 1084 | CommandInfoList *info, **list = opaque; |
e3bba9d0 | 1085 | |
9e812b6a MAL |
1086 | if (!cmd->enabled) { |
1087 | return; | |
e3bba9d0 LC |
1088 | } |
1089 | ||
9e812b6a MAL |
1090 | info = g_malloc0(sizeof(*info)); |
1091 | info->value = g_malloc0(sizeof(*info->value)); | |
1092 | info->value->name = g_strdup(cmd->name); | |
1093 | info->next = *list; | |
1094 | *list = info; | |
1095 | } | |
1096 | ||
1097 | CommandInfoList *qmp_query_commands(Error **errp) | |
1098 | { | |
1099 | CommandInfoList *list = NULL; | |
1100 | ||
635db18f | 1101 | qmp_for_each_command(cur_mon->qmp.commands, query_commands_cb, &list); |
9e812b6a MAL |
1102 | |
1103 | return list; | |
a36e69dd TS |
1104 | } |
1105 | ||
4860853d DB |
1106 | EventInfoList *qmp_query_events(Error **errp) |
1107 | { | |
9d7b7086 MA |
1108 | /* |
1109 | * TODO This deprecated command is the only user of | |
1110 | * QAPIEvent_str() and QAPIEvent_lookup[]. When the command goes, | |
1111 | * they should go, too. | |
1112 | */ | |
4860853d | 1113 | EventInfoList *info, *ev_list = NULL; |
75175173 | 1114 | QAPIEvent e; |
4860853d | 1115 | |
7fb1cf16 | 1116 | for (e = 0 ; e < QAPI_EVENT__MAX ; e++) { |
977c736f | 1117 | const char *event_name = QAPIEvent_str(e); |
4860853d DB |
1118 | assert(event_name != NULL); |
1119 | info = g_malloc0(sizeof(*info)); | |
1120 | info->value = g_malloc0(sizeof(*info->value)); | |
1121 | info->value->name = g_strdup(event_name); | |
1122 | ||
1123 | info->next = ev_list; | |
1124 | ev_list = info; | |
1125 | } | |
1126 | ||
1127 | return ev_list; | |
1128 | } | |
1129 | ||
39a18158 MA |
1130 | /* |
1131 | * Minor hack: generated marshalling suppressed for this command | |
1132 | * ('gen': false in the schema) so we can parse the JSON string | |
1133 | * directly into QObject instead of first parsing it with | |
1134 | * visit_type_SchemaInfoList() into a SchemaInfoList, then marshal it | |
1135 | * to QObject with generated output marshallers, every time. Instead, | |
b3db211f | 1136 | * we do it in test-qobject-input-visitor.c, just to make sure |
fb0bc835 | 1137 | * qapi-gen.py's output actually conforms to the schema. |
39a18158 MA |
1138 | */ |
1139 | static void qmp_query_qmp_schema(QDict *qdict, QObject **ret_data, | |
1140 | Error **errp) | |
1141 | { | |
7d0f982b | 1142 | *ret_data = qobject_from_qlit(&qmp_schema_qlit); |
39a18158 MA |
1143 | } |
1144 | ||
6adf08dd | 1145 | static void monitor_init_qmp_commands(void) |
edcfaefe | 1146 | { |
635db18f MA |
1147 | /* |
1148 | * Two command lists: | |
1149 | * - qmp_commands contains all QMP commands | |
1150 | * - qmp_cap_negotiation_commands contains just | |
1151 | * "qmp_capabilities", to enforce capability negotiation | |
1152 | */ | |
1153 | ||
1527badb | 1154 | qmp_init_marshal(&qmp_commands); |
05875687 | 1155 | |
1527badb | 1156 | qmp_register_command(&qmp_commands, "query-qmp-schema", |
d6fe3d02 | 1157 | qmp_query_qmp_schema, QCO_ALLOW_PRECONFIG); |
1527badb | 1158 | qmp_register_command(&qmp_commands, "device_add", qmp_device_add, |
edcfaefe | 1159 | QCO_NO_OPTIONS); |
1527badb | 1160 | qmp_register_command(&qmp_commands, "netdev_add", qmp_netdev_add, |
edcfaefe | 1161 | QCO_NO_OPTIONS); |
5032a16d | 1162 | |
635db18f MA |
1163 | QTAILQ_INIT(&qmp_cap_negotiation_commands); |
1164 | qmp_register_command(&qmp_cap_negotiation_commands, "qmp_capabilities", | |
d6fe3d02 | 1165 | qmp_marshal_qmp_capabilities, QCO_ALLOW_PRECONFIG); |
635db18f MA |
1166 | } |
1167 | ||
71da4667 PX |
1168 | static bool qmp_oob_enabled(Monitor *mon) |
1169 | { | |
279f9e08 | 1170 | return mon->qmp.capab[QMP_CAPABILITY_OOB]; |
02130314 PX |
1171 | } |
1172 | ||
279f9e08 | 1173 | static void monitor_qmp_caps_reset(Monitor *mon) |
635db18f | 1174 | { |
279f9e08 MA |
1175 | memset(mon->qmp.capab_offered, 0, sizeof(mon->qmp.capab_offered)); |
1176 | memset(mon->qmp.capab, 0, sizeof(mon->qmp.capab)); | |
1177 | mon->qmp.capab_offered[QMP_CAPABILITY_OOB] = mon->use_io_thread; | |
02130314 PX |
1178 | } |
1179 | ||
cf869d53 | 1180 | /* |
279f9e08 MA |
1181 | * Accept QMP capabilities in @list for @mon. |
1182 | * On success, set mon->qmp.capab[], and return true. | |
1183 | * On error, set @errp, and return false. | |
cf869d53 | 1184 | */ |
279f9e08 MA |
1185 | static bool qmp_caps_accept(Monitor *mon, QMPCapabilityList *list, |
1186 | Error **errp) | |
cf869d53 | 1187 | { |
279f9e08 MA |
1188 | GString *unavailable = NULL; |
1189 | bool capab[QMP_CAPABILITY__MAX]; | |
cf869d53 | 1190 | |
279f9e08 | 1191 | memset(capab, 0, sizeof(capab)); |
cf869d53 | 1192 | |
02130314 | 1193 | for (; list; list = list->next) { |
279f9e08 MA |
1194 | if (!mon->qmp.capab_offered[list->value]) { |
1195 | if (!unavailable) { | |
1196 | unavailable = g_string_new(QMPCapability_str(list->value)); | |
1197 | } else { | |
1198 | g_string_append_printf(unavailable, ", %s", | |
1199 | QMPCapability_str(list->value)); | |
02130314 | 1200 | } |
9ddb7456 | 1201 | } |
279f9e08 | 1202 | capab[list->value] = true; |
cf869d53 PX |
1203 | } |
1204 | ||
279f9e08 MA |
1205 | if (unavailable) { |
1206 | error_setg(errp, "Capability %s not available", unavailable->str); | |
1207 | g_string_free(unavailable, true); | |
1208 | return false; | |
cf869d53 PX |
1209 | } |
1210 | ||
279f9e08 | 1211 | memcpy(mon->qmp.capab, capab, sizeof(capab)); |
cf869d53 PX |
1212 | return true; |
1213 | } | |
1214 | ||
02130314 PX |
1215 | void qmp_qmp_capabilities(bool has_enable, QMPCapabilityList *enable, |
1216 | Error **errp) | |
1217 | { | |
635db18f MA |
1218 | if (cur_mon->qmp.commands == &qmp_commands) { |
1219 | error_set(errp, ERROR_CLASS_COMMAND_NOT_FOUND, | |
1220 | "Capabilities negotiation is already complete, command " | |
1221 | "ignored"); | |
1222 | return; | |
1223 | } | |
1224 | ||
279f9e08 MA |
1225 | if (!qmp_caps_accept(cur_mon, enable, errp)) { |
1226 | return; | |
02130314 PX |
1227 | } |
1228 | ||
635db18f | 1229 | cur_mon->qmp.commands = &qmp_commands; |
edcfaefe MAL |
1230 | } |
1231 | ||
d9f25280 | 1232 | /* Set the current CPU defined by the user. Callers must hold BQL. */ |
b025c8b4 | 1233 | int monitor_set_cpu(int cpu_index) |
6a00d601 | 1234 | { |
55e5c285 | 1235 | CPUState *cpu; |
6a00d601 | 1236 | |
1c8bb3cc AF |
1237 | cpu = qemu_get_cpu(cpu_index); |
1238 | if (cpu == NULL) { | |
1239 | return -1; | |
6a00d601 | 1240 | } |
751f8cfe GK |
1241 | g_free(cur_mon->mon_cpu_path); |
1242 | cur_mon->mon_cpu_path = object_get_canonical_path(OBJECT(cpu)); | |
1c8bb3cc | 1243 | return 0; |
6a00d601 FB |
1244 | } |
1245 | ||
d9f25280 | 1246 | /* Callers must hold BQL. */ |
137b5cb6 | 1247 | static CPUState *mon_get_cpu_sync(bool synchronize) |
6a00d601 | 1248 | { |
751f8cfe GK |
1249 | CPUState *cpu; |
1250 | ||
1251 | if (cur_mon->mon_cpu_path) { | |
1252 | cpu = (CPUState *) object_resolve_path_type(cur_mon->mon_cpu_path, | |
1253 | TYPE_CPU, NULL); | |
1254 | if (!cpu) { | |
1255 | g_free(cur_mon->mon_cpu_path); | |
1256 | cur_mon->mon_cpu_path = NULL; | |
1257 | } | |
1258 | } | |
1259 | if (!cur_mon->mon_cpu_path) { | |
854e67fe TH |
1260 | if (!first_cpu) { |
1261 | return NULL; | |
1262 | } | |
27a83f8e | 1263 | monitor_set_cpu(first_cpu->cpu_index); |
751f8cfe | 1264 | cpu = first_cpu; |
6a00d601 | 1265 | } |
137b5cb6 VM |
1266 | if (synchronize) { |
1267 | cpu_synchronize_state(cpu); | |
1268 | } | |
751f8cfe | 1269 | return cpu; |
5bcda5f7 PC |
1270 | } |
1271 | ||
137b5cb6 VM |
1272 | CPUState *mon_get_cpu(void) |
1273 | { | |
1274 | return mon_get_cpu_sync(true); | |
1275 | } | |
1276 | ||
bf957284 | 1277 | CPUArchState *mon_get_cpu_env(void) |
5bcda5f7 | 1278 | { |
854e67fe TH |
1279 | CPUState *cs = mon_get_cpu(); |
1280 | ||
1281 | return cs ? cs->env_ptr : NULL; | |
6a00d601 FB |
1282 | } |
1283 | ||
99b7796f LC |
1284 | int monitor_get_cpu_index(void) |
1285 | { | |
137b5cb6 | 1286 | CPUState *cs = mon_get_cpu_sync(false); |
854e67fe TH |
1287 | |
1288 | return cs ? cs->cpu_index : UNASSIGNED_CPU_INDEX; | |
99b7796f LC |
1289 | } |
1290 | ||
1ce6be24 | 1291 | static void hmp_info_registers(Monitor *mon, const QDict *qdict) |
9307c4c1 | 1292 | { |
18f08282 SJS |
1293 | bool all_cpus = qdict_get_try_bool(qdict, "cpustate_all", false); |
1294 | CPUState *cs; | |
854e67fe | 1295 | |
18f08282 SJS |
1296 | if (all_cpus) { |
1297 | CPU_FOREACH(cs) { | |
1298 | monitor_printf(mon, "\nCPU#%d\n", cs->cpu_index); | |
1299 | cpu_dump_state(cs, (FILE *)mon, monitor_fprintf, CPU_DUMP_FPU); | |
1300 | } | |
1301 | } else { | |
1302 | cs = mon_get_cpu(); | |
1303 | ||
1304 | if (!cs) { | |
1305 | monitor_printf(mon, "No CPU available\n"); | |
1306 | return; | |
1307 | } | |
1308 | ||
1309 | cpu_dump_state(cs, (FILE *)mon, monitor_fprintf, CPU_DUMP_FPU); | |
854e67fe | 1310 | } |
9307c4c1 FB |
1311 | } |
1312 | ||
f0d14a95 | 1313 | #ifdef CONFIG_TCG |
1ce6be24 | 1314 | static void hmp_info_jit(Monitor *mon, const QDict *qdict) |
e3db7226 | 1315 | { |
b7da97ee TH |
1316 | if (!tcg_enabled()) { |
1317 | error_report("JIT information is only available with accel=tcg"); | |
1318 | return; | |
1319 | } | |
1320 | ||
3de2faa9 | 1321 | dump_exec_info(); |
76c86615 | 1322 | dump_drift_info(); |
e3db7226 FB |
1323 | } |
1324 | ||
1ce6be24 | 1325 | static void hmp_info_opcount(Monitor *mon, const QDict *qdict) |
246ae24d | 1326 | { |
d4c51a0a | 1327 | dump_opcount_info(); |
246ae24d | 1328 | } |
f0d14a95 | 1329 | #endif |
246ae24d | 1330 | |
97bfafe2 EC |
1331 | static void hmp_info_sync_profile(Monitor *mon, const QDict *qdict) |
1332 | { | |
1333 | int64_t max = qdict_get_try_int(qdict, "max", 10); | |
1334 | bool mean = qdict_get_try_bool(qdict, "mean", false); | |
1335 | bool coalesce = !qdict_get_try_bool(qdict, "no_coalesce", false); | |
1336 | enum QSPSortBy sort_by; | |
1337 | ||
1338 | sort_by = mean ? QSP_SORT_BY_AVG_WAIT_TIME : QSP_SORT_BY_TOTAL_WAIT_TIME; | |
ac7ff4cf | 1339 | qsp_report(max, sort_by, coalesce); |
97bfafe2 EC |
1340 | } |
1341 | ||
1ce6be24 | 1342 | static void hmp_info_history(Monitor *mon, const QDict *qdict) |
aa455485 FB |
1343 | { |
1344 | int i; | |
7e2515e8 | 1345 | const char *str; |
3b46e624 | 1346 | |
cde76ee1 AL |
1347 | if (!mon->rs) |
1348 | return; | |
7e2515e8 FB |
1349 | i = 0; |
1350 | for(;;) { | |
731b0364 | 1351 | str = readline_get_history(mon->rs, i); |
7e2515e8 FB |
1352 | if (!str) |
1353 | break; | |
376253ec | 1354 | monitor_printf(mon, "%d: '%s'\n", i, str); |
8e3a9fd2 | 1355 | i++; |
aa455485 FB |
1356 | } |
1357 | } | |
1358 | ||
1ce6be24 | 1359 | static void hmp_info_cpustats(Monitor *mon, const QDict *qdict) |
76a66253 | 1360 | { |
854e67fe TH |
1361 | CPUState *cs = mon_get_cpu(); |
1362 | ||
1363 | if (!cs) { | |
1364 | monitor_printf(mon, "No CPU available\n"); | |
1365 | return; | |
1366 | } | |
11cb6c15 | 1367 | cpu_dump_statistics(cs, 0); |
76a66253 | 1368 | } |
76a66253 | 1369 | |
1ce6be24 | 1370 | static void hmp_info_trace_events(Monitor *mon, const QDict *qdict) |
22890ab5 | 1371 | { |
bd71211d | 1372 | const char *name = qdict_get_try_str(qdict, "name"); |
77e2b172 LV |
1373 | bool has_vcpu = qdict_haskey(qdict, "vcpu"); |
1374 | int vcpu = qdict_get_try_int(qdict, "vcpu", 0); | |
bd71211d | 1375 | TraceEventInfoList *events; |
14101d02 | 1376 | TraceEventInfoList *elem; |
bd71211d LV |
1377 | Error *local_err = NULL; |
1378 | ||
1379 | if (name == NULL) { | |
1380 | name = "*"; | |
1381 | } | |
77e2b172 LV |
1382 | if (vcpu < 0) { |
1383 | monitor_printf(mon, "argument vcpu must be positive"); | |
1384 | return; | |
1385 | } | |
bd71211d | 1386 | |
77e2b172 | 1387 | events = qmp_trace_event_get_state(name, has_vcpu, vcpu, &local_err); |
bd71211d LV |
1388 | if (local_err) { |
1389 | error_report_err(local_err); | |
1390 | return; | |
1391 | } | |
14101d02 LV |
1392 | |
1393 | for (elem = events; elem != NULL; elem = elem->next) { | |
1394 | monitor_printf(mon, "%s : state %u\n", | |
1395 | elem->value->name, | |
1396 | elem->value->state == TRACE_EVENT_STATE_ENABLED ? 1 : 0); | |
1397 | } | |
1398 | qapi_free_TraceEventInfoList(events); | |
22890ab5 | 1399 | } |
22890ab5 | 1400 | |
b8a185bc MA |
1401 | void qmp_client_migrate_info(const char *protocol, const char *hostname, |
1402 | bool has_port, int64_t port, | |
1403 | bool has_tls_port, int64_t tls_port, | |
1404 | bool has_cert_subject, const char *cert_subject, | |
1405 | Error **errp) | |
e866e239 | 1406 | { |
e866e239 | 1407 | if (strcmp(protocol, "spice") == 0) { |
b8a185bc MA |
1408 | if (!qemu_using_spice(errp)) { |
1409 | return; | |
e866e239 GH |
1410 | } |
1411 | ||
b8a185bc | 1412 | if (!has_port && !has_tls_port) { |
c6bd8c70 | 1413 | error_setg(errp, QERR_MISSING_PARAMETER, "port/tls-port"); |
b8a185bc | 1414 | return; |
6ec5dae5 YH |
1415 | } |
1416 | ||
b8a185bc MA |
1417 | if (qemu_spice_migrate_info(hostname, |
1418 | has_port ? port : -1, | |
1419 | has_tls_port ? tls_port : -1, | |
1420 | cert_subject)) { | |
c6bd8c70 | 1421 | error_setg(errp, QERR_UNDEFINED_ERROR); |
b8a185bc | 1422 | return; |
e866e239 | 1423 | } |
b8a185bc | 1424 | return; |
e866e239 GH |
1425 | } |
1426 | ||
c6bd8c70 | 1427 | error_setg(errp, QERR_INVALID_PARAMETER_VALUE, "protocol", "spice"); |
e866e239 GH |
1428 | } |
1429 | ||
3e5a50d6 | 1430 | static void hmp_logfile(Monitor *mon, const QDict *qdict) |
e735b91c | 1431 | { |
daa76aa4 MA |
1432 | Error *err = NULL; |
1433 | ||
1434 | qemu_set_log_filename(qdict_get_str(qdict, "filename"), &err); | |
1435 | if (err) { | |
1436 | error_report_err(err); | |
1437 | } | |
e735b91c PB |
1438 | } |
1439 | ||
3e5a50d6 | 1440 | static void hmp_log(Monitor *mon, const QDict *qdict) |
f193c797 FB |
1441 | { |
1442 | int mask; | |
d54908a5 | 1443 | const char *items = qdict_get_str(qdict, "items"); |
3b46e624 | 1444 | |
9307c4c1 | 1445 | if (!strcmp(items, "none")) { |
f193c797 FB |
1446 | mask = 0; |
1447 | } else { | |
4fde1eba | 1448 | mask = qemu_str_to_log_mask(items); |
f193c797 | 1449 | if (!mask) { |
376253ec | 1450 | help_cmd(mon, "log"); |
f193c797 FB |
1451 | return; |
1452 | } | |
1453 | } | |
24537a01 | 1454 | qemu_set_log(mask); |
f193c797 FB |
1455 | } |
1456 | ||
3e5a50d6 | 1457 | static void hmp_singlestep(Monitor *mon, const QDict *qdict) |
1b530a6d | 1458 | { |
d54908a5 | 1459 | const char *option = qdict_get_try_str(qdict, "option"); |
1b530a6d AJ |
1460 | if (!option || !strcmp(option, "on")) { |
1461 | singlestep = 1; | |
1462 | } else if (!strcmp(option, "off")) { | |
1463 | singlestep = 0; | |
1464 | } else { | |
1465 | monitor_printf(mon, "unexpected option %s\n", option); | |
1466 | } | |
1467 | } | |
1468 | ||
3e5a50d6 | 1469 | static void hmp_gdbserver(Monitor *mon, const QDict *qdict) |
59030a8c | 1470 | { |
d54908a5 | 1471 | const char *device = qdict_get_try_str(qdict, "device"); |
59030a8c AL |
1472 | if (!device) |
1473 | device = "tcp::" DEFAULT_GDBSTUB_PORT; | |
1474 | if (gdbserver_start(device) < 0) { | |
1475 | monitor_printf(mon, "Could not open gdbserver on device '%s'\n", | |
1476 | device); | |
1477 | } else if (strcmp(device, "none") == 0) { | |
36556b20 | 1478 | monitor_printf(mon, "Disabled gdbserver\n"); |
8a7ddc38 | 1479 | } else { |
59030a8c AL |
1480 | monitor_printf(mon, "Waiting for gdb connection on device '%s'\n", |
1481 | device); | |
8a7ddc38 FB |
1482 | } |
1483 | } | |
1484 | ||
3e5a50d6 | 1485 | static void hmp_watchdog_action(Monitor *mon, const QDict *qdict) |
9dd986cc | 1486 | { |
d54908a5 | 1487 | const char *action = qdict_get_str(qdict, "action"); |
9dd986cc RJ |
1488 | if (select_watchdog_action(action) == -1) { |
1489 | monitor_printf(mon, "Unknown watchdog action '%s'\n", action); | |
1490 | } | |
1491 | } | |
1492 | ||
376253ec | 1493 | static void monitor_printc(Monitor *mon, int c) |
9307c4c1 | 1494 | { |
376253ec | 1495 | monitor_printf(mon, "'"); |
9307c4c1 FB |
1496 | switch(c) { |
1497 | case '\'': | |
376253ec | 1498 | monitor_printf(mon, "\\'"); |
9307c4c1 FB |
1499 | break; |
1500 | case '\\': | |
376253ec | 1501 | monitor_printf(mon, "\\\\"); |
9307c4c1 FB |
1502 | break; |
1503 | case '\n': | |
376253ec | 1504 | monitor_printf(mon, "\\n"); |
9307c4c1 FB |
1505 | break; |
1506 | case '\r': | |
376253ec | 1507 | monitor_printf(mon, "\\r"); |
9307c4c1 FB |
1508 | break; |
1509 | default: | |
1510 | if (c >= 32 && c <= 126) { | |
376253ec | 1511 | monitor_printf(mon, "%c", c); |
9307c4c1 | 1512 | } else { |
376253ec | 1513 | monitor_printf(mon, "\\x%02x", c); |
9307c4c1 FB |
1514 | } |
1515 | break; | |
1516 | } | |
376253ec | 1517 | monitor_printf(mon, "'"); |
9307c4c1 FB |
1518 | } |
1519 | ||
376253ec | 1520 | static void memory_dump(Monitor *mon, int count, int format, int wsize, |
a8170e5e | 1521 | hwaddr addr, int is_physical) |
9307c4c1 | 1522 | { |
23842aab | 1523 | int l, line_size, i, max_digits, len; |
9307c4c1 FB |
1524 | uint8_t buf[16]; |
1525 | uint64_t v; | |
854e67fe TH |
1526 | CPUState *cs = mon_get_cpu(); |
1527 | ||
1528 | if (!cs && (format == 'i' || !is_physical)) { | |
1529 | monitor_printf(mon, "Can not dump without CPU\n"); | |
1530 | return; | |
1531 | } | |
9307c4c1 FB |
1532 | |
1533 | if (format == 'i') { | |
1d48474d | 1534 | monitor_disas(mon, cs, addr, count, is_physical); |
9307c4c1 FB |
1535 | return; |
1536 | } | |
1537 | ||
1538 | len = wsize * count; | |
1539 | if (wsize == 1) | |
1540 | line_size = 8; | |
1541 | else | |
1542 | line_size = 16; | |
9307c4c1 FB |
1543 | max_digits = 0; |
1544 | ||
1545 | switch(format) { | |
1546 | case 'o': | |
69db8dfc | 1547 | max_digits = DIV_ROUND_UP(wsize * 8, 3); |
9307c4c1 FB |
1548 | break; |
1549 | default: | |
1550 | case 'x': | |
1551 | max_digits = (wsize * 8) / 4; | |
1552 | break; | |
1553 | case 'u': | |
1554 | case 'd': | |
69db8dfc | 1555 | max_digits = DIV_ROUND_UP(wsize * 8 * 10, 33); |
9307c4c1 FB |
1556 | break; |
1557 | case 'c': | |
1558 | wsize = 1; | |
1559 | break; | |
1560 | } | |
1561 | ||
1562 | while (len > 0) { | |
7743e588 | 1563 | if (is_physical) |
376253ec | 1564 | monitor_printf(mon, TARGET_FMT_plx ":", addr); |
7743e588 | 1565 | else |
376253ec | 1566 | monitor_printf(mon, TARGET_FMT_lx ":", (target_ulong)addr); |
9307c4c1 FB |
1567 | l = len; |
1568 | if (l > line_size) | |
1569 | l = line_size; | |
1570 | if (is_physical) { | |
6f89ae58 PM |
1571 | AddressSpace *as = cs ? cs->as : &address_space_memory; |
1572 | MemTxResult r = address_space_read(as, addr, | |
1573 | MEMTXATTRS_UNSPECIFIED, buf, l); | |
1574 | if (r != MEMTX_OK) { | |
1575 | monitor_printf(mon, " Cannot access memory\n"); | |
1576 | break; | |
1577 | } | |
9307c4c1 | 1578 | } else { |
854e67fe | 1579 | if (cpu_memory_rw_debug(cs, addr, buf, l, 0) < 0) { |
376253ec | 1580 | monitor_printf(mon, " Cannot access memory\n"); |
c8f79b67 AL |
1581 | break; |
1582 | } | |
9307c4c1 | 1583 | } |
5fafdf24 | 1584 | i = 0; |
9307c4c1 FB |
1585 | while (i < l) { |
1586 | switch(wsize) { | |
1587 | default: | |
1588 | case 1: | |
24e60305 | 1589 | v = ldub_p(buf + i); |
9307c4c1 FB |
1590 | break; |
1591 | case 2: | |
24e60305 | 1592 | v = lduw_p(buf + i); |
9307c4c1 FB |
1593 | break; |
1594 | case 4: | |
24e60305 | 1595 | v = (uint32_t)ldl_p(buf + i); |
9307c4c1 FB |
1596 | break; |
1597 | case 8: | |
24e60305 | 1598 | v = ldq_p(buf + i); |
9307c4c1 FB |
1599 | break; |
1600 | } | |
376253ec | 1601 | monitor_printf(mon, " "); |
9307c4c1 FB |
1602 | switch(format) { |
1603 | case 'o': | |
376253ec | 1604 | monitor_printf(mon, "%#*" PRIo64, max_digits, v); |
9307c4c1 FB |
1605 | break; |
1606 | case 'x': | |
376253ec | 1607 | monitor_printf(mon, "0x%0*" PRIx64, max_digits, v); |
9307c4c1 FB |
1608 | break; |
1609 | case 'u': | |
376253ec | 1610 | monitor_printf(mon, "%*" PRIu64, max_digits, v); |
9307c4c1 FB |
1611 | break; |
1612 | case 'd': | |
376253ec | 1613 | monitor_printf(mon, "%*" PRId64, max_digits, v); |
9307c4c1 FB |
1614 | break; |
1615 | case 'c': | |
376253ec | 1616 | monitor_printc(mon, v); |
9307c4c1 FB |
1617 | break; |
1618 | } | |
1619 | i += wsize; | |
1620 | } | |
376253ec | 1621 | monitor_printf(mon, "\n"); |
9307c4c1 FB |
1622 | addr += l; |
1623 | len -= l; | |
1624 | } | |
1625 | } | |
1626 | ||
3e5a50d6 | 1627 | static void hmp_memory_dump(Monitor *mon, const QDict *qdict) |
9307c4c1 | 1628 | { |
1bd1442e LC |
1629 | int count = qdict_get_int(qdict, "count"); |
1630 | int format = qdict_get_int(qdict, "format"); | |
1631 | int size = qdict_get_int(qdict, "size"); | |
1632 | target_long addr = qdict_get_int(qdict, "addr"); | |
1633 | ||
376253ec | 1634 | memory_dump(mon, count, format, size, addr, 0); |
9307c4c1 FB |
1635 | } |
1636 | ||
3e5a50d6 | 1637 | static void hmp_physical_memory_dump(Monitor *mon, const QDict *qdict) |
9307c4c1 | 1638 | { |
1bd1442e LC |
1639 | int count = qdict_get_int(qdict, "count"); |
1640 | int format = qdict_get_int(qdict, "format"); | |
1641 | int size = qdict_get_int(qdict, "size"); | |
a8170e5e | 1642 | hwaddr addr = qdict_get_int(qdict, "addr"); |
1bd1442e | 1643 | |
376253ec | 1644 | memory_dump(mon, count, format, size, addr, 1); |
9307c4c1 FB |
1645 | } |
1646 | ||
e9628441 PB |
1647 | static void *gpa2hva(MemoryRegion **p_mr, hwaddr addr, Error **errp) |
1648 | { | |
1649 | MemoryRegionSection mrs = memory_region_find(get_system_memory(), | |
1650 | addr, 1); | |
1651 | ||
1652 | if (!mrs.mr) { | |
1653 | error_setg(errp, "No memory is mapped at address 0x%" HWADDR_PRIx, addr); | |
1654 | return NULL; | |
1655 | } | |
1656 | ||
1657 | if (!memory_region_is_ram(mrs.mr) && !memory_region_is_romd(mrs.mr)) { | |
1658 | error_setg(errp, "Memory at address 0x%" HWADDR_PRIx "is not RAM", addr); | |
1659 | memory_region_unref(mrs.mr); | |
1660 | return NULL; | |
1661 | } | |
1662 | ||
1663 | *p_mr = mrs.mr; | |
1664 | return qemu_map_ram_ptr(mrs.mr->ram_block, mrs.offset_within_region); | |
1665 | } | |
1666 | ||
1667 | static void hmp_gpa2hva(Monitor *mon, const QDict *qdict) | |
1668 | { | |
1669 | hwaddr addr = qdict_get_int(qdict, "addr"); | |
1670 | Error *local_err = NULL; | |
1671 | MemoryRegion *mr = NULL; | |
1672 | void *ptr; | |
1673 | ||
1674 | ptr = gpa2hva(&mr, addr, &local_err); | |
1675 | if (local_err) { | |
1676 | error_report_err(local_err); | |
1677 | return; | |
1678 | } | |
1679 | ||
1680 | monitor_printf(mon, "Host virtual address for 0x%" HWADDR_PRIx | |
1681 | " (%s) is %p\n", | |
1682 | addr, mr->name, ptr); | |
1683 | ||
1684 | memory_region_unref(mr); | |
1685 | } | |
1686 | ||
1687 | #ifdef CONFIG_LINUX | |
1688 | static uint64_t vtop(void *ptr, Error **errp) | |
1689 | { | |
1690 | uint64_t pinfo; | |
1691 | uint64_t ret = -1; | |
1692 | uintptr_t addr = (uintptr_t) ptr; | |
1693 | uintptr_t pagesize = getpagesize(); | |
1694 | off_t offset = addr / pagesize * sizeof(pinfo); | |
1695 | int fd; | |
1696 | ||
1697 | fd = open("/proc/self/pagemap", O_RDONLY); | |
1698 | if (fd == -1) { | |
1699 | error_setg_errno(errp, errno, "Cannot open /proc/self/pagemap"); | |
1700 | return -1; | |
1701 | } | |
1702 | ||
1703 | /* Force copy-on-write if necessary. */ | |
1704 | atomic_add((uint8_t *)ptr, 0); | |
1705 | ||
1706 | if (pread(fd, &pinfo, sizeof(pinfo), offset) != sizeof(pinfo)) { | |
1707 | error_setg_errno(errp, errno, "Cannot read pagemap"); | |
1708 | goto out; | |
1709 | } | |
1710 | if ((pinfo & (1ull << 63)) == 0) { | |
1711 | error_setg(errp, "Page not present"); | |
1712 | goto out; | |
1713 | } | |
1714 | ret = ((pinfo & 0x007fffffffffffffull) * pagesize) | (addr & (pagesize - 1)); | |
1715 | ||
1716 | out: | |
1717 | close(fd); | |
1718 | return ret; | |
1719 | } | |
1720 | ||
1721 | static void hmp_gpa2hpa(Monitor *mon, const QDict *qdict) | |
1722 | { | |
1723 | hwaddr addr = qdict_get_int(qdict, "addr"); | |
1724 | Error *local_err = NULL; | |
1725 | MemoryRegion *mr = NULL; | |
1726 | void *ptr; | |
1727 | uint64_t physaddr; | |
1728 | ||
1729 | ptr = gpa2hva(&mr, addr, &local_err); | |
1730 | if (local_err) { | |
1731 | error_report_err(local_err); | |
1732 | return; | |
1733 | } | |
1734 | ||
1735 | physaddr = vtop(ptr, &local_err); | |
1736 | if (local_err) { | |
1737 | error_report_err(local_err); | |
1738 | } else { | |
1739 | monitor_printf(mon, "Host physical address for 0x%" HWADDR_PRIx | |
1740 | " (%s) is 0x%" PRIx64 "\n", | |
1741 | addr, mr->name, (uint64_t) physaddr); | |
1742 | } | |
1743 | ||
1744 | memory_region_unref(mr); | |
1745 | } | |
1746 | #endif | |
1747 | ||
1bd1442e | 1748 | static void do_print(Monitor *mon, const QDict *qdict) |
9307c4c1 | 1749 | { |
1bd1442e | 1750 | int format = qdict_get_int(qdict, "format"); |
a8170e5e | 1751 | hwaddr val = qdict_get_int(qdict, "val"); |
1bd1442e | 1752 | |
9307c4c1 FB |
1753 | switch(format) { |
1754 | case 'o': | |
a8170e5e | 1755 | monitor_printf(mon, "%#" HWADDR_PRIo, val); |
9307c4c1 FB |
1756 | break; |
1757 | case 'x': | |
a8170e5e | 1758 | monitor_printf(mon, "%#" HWADDR_PRIx, val); |
9307c4c1 FB |
1759 | break; |
1760 | case 'u': | |
a8170e5e | 1761 | monitor_printf(mon, "%" HWADDR_PRIu, val); |
9307c4c1 FB |
1762 | break; |
1763 | default: | |
1764 | case 'd': | |
a8170e5e | 1765 | monitor_printf(mon, "%" HWADDR_PRId, val); |
9307c4c1 FB |
1766 | break; |
1767 | case 'c': | |
376253ec | 1768 | monitor_printc(mon, val); |
9307c4c1 FB |
1769 | break; |
1770 | } | |
376253ec | 1771 | monitor_printf(mon, "\n"); |
9307c4c1 FB |
1772 | } |
1773 | ||
3e5a50d6 | 1774 | static void hmp_sum(Monitor *mon, const QDict *qdict) |
e4cf1adc FB |
1775 | { |
1776 | uint32_t addr; | |
e4cf1adc | 1777 | uint16_t sum; |
f18c16de LC |
1778 | uint32_t start = qdict_get_int(qdict, "start"); |
1779 | uint32_t size = qdict_get_int(qdict, "size"); | |
e4cf1adc FB |
1780 | |
1781 | sum = 0; | |
1782 | for(addr = start; addr < (start + size); addr++) { | |
42874d3a PM |
1783 | uint8_t val = address_space_ldub(&address_space_memory, addr, |
1784 | MEMTXATTRS_UNSPECIFIED, NULL); | |
e4cf1adc FB |
1785 | /* BSD sum algorithm ('sum' Unix command) */ |
1786 | sum = (sum >> 1) | (sum << 15); | |
54f7b4a3 | 1787 | sum += val; |
e4cf1adc | 1788 | } |
376253ec | 1789 | monitor_printf(mon, "%05d\n", sum); |
e4cf1adc FB |
1790 | } |
1791 | ||
13224a87 FB |
1792 | static int mouse_button_state; |
1793 | ||
3e5a50d6 | 1794 | static void hmp_mouse_move(Monitor *mon, const QDict *qdict) |
13224a87 | 1795 | { |
c751a74a | 1796 | int dx, dy, dz, button; |
1d4daa91 LC |
1797 | const char *dx_str = qdict_get_str(qdict, "dx_str"); |
1798 | const char *dy_str = qdict_get_str(qdict, "dy_str"); | |
1799 | const char *dz_str = qdict_get_try_str(qdict, "dz_str"); | |
c751a74a | 1800 | |
13224a87 FB |
1801 | dx = strtol(dx_str, NULL, 0); |
1802 | dy = strtol(dy_str, NULL, 0); | |
c751a74a GH |
1803 | qemu_input_queue_rel(NULL, INPUT_AXIS_X, dx); |
1804 | qemu_input_queue_rel(NULL, INPUT_AXIS_Y, dy); | |
1805 | ||
1806 | if (dz_str) { | |
13224a87 | 1807 | dz = strtol(dz_str, NULL, 0); |
c751a74a | 1808 | if (dz != 0) { |
f22d0af0 | 1809 | button = (dz > 0) ? INPUT_BUTTON_WHEEL_UP : INPUT_BUTTON_WHEEL_DOWN; |
c751a74a GH |
1810 | qemu_input_queue_btn(NULL, button, true); |
1811 | qemu_input_event_sync(); | |
1812 | qemu_input_queue_btn(NULL, button, false); | |
1813 | } | |
1814 | } | |
1815 | qemu_input_event_sync(); | |
13224a87 FB |
1816 | } |
1817 | ||
3e5a50d6 | 1818 | static void hmp_mouse_button(Monitor *mon, const QDict *qdict) |
13224a87 | 1819 | { |
7fb1cf16 | 1820 | static uint32_t bmap[INPUT_BUTTON__MAX] = { |
c751a74a GH |
1821 | [INPUT_BUTTON_LEFT] = MOUSE_EVENT_LBUTTON, |
1822 | [INPUT_BUTTON_MIDDLE] = MOUSE_EVENT_MBUTTON, | |
1823 | [INPUT_BUTTON_RIGHT] = MOUSE_EVENT_RBUTTON, | |
1824 | }; | |
d54908a5 | 1825 | int button_state = qdict_get_int(qdict, "button_state"); |
c751a74a GH |
1826 | |
1827 | if (mouse_button_state == button_state) { | |
1828 | return; | |
1829 | } | |
1830 | qemu_input_update_buttons(NULL, bmap, mouse_button_state, button_state); | |
1831 | qemu_input_event_sync(); | |
13224a87 | 1832 | mouse_button_state = button_state; |
13224a87 FB |
1833 | } |
1834 | ||
3e5a50d6 | 1835 | static void hmp_ioport_read(Monitor *mon, const QDict *qdict) |
3440557b | 1836 | { |
aa93e39c LC |
1837 | int size = qdict_get_int(qdict, "size"); |
1838 | int addr = qdict_get_int(qdict, "addr"); | |
1839 | int has_index = qdict_haskey(qdict, "index"); | |
3440557b FB |
1840 | uint32_t val; |
1841 | int suffix; | |
1842 | ||
1843 | if (has_index) { | |
aa93e39c | 1844 | int index = qdict_get_int(qdict, "index"); |
afcea8cb | 1845 | cpu_outb(addr & IOPORTS_MASK, index & 0xff); |
3440557b FB |
1846 | addr++; |
1847 | } | |
1848 | addr &= 0xffff; | |
1849 | ||
1850 | switch(size) { | |
1851 | default: | |
1852 | case 1: | |
afcea8cb | 1853 | val = cpu_inb(addr); |
3440557b FB |
1854 | suffix = 'b'; |
1855 | break; | |
1856 | case 2: | |
afcea8cb | 1857 | val = cpu_inw(addr); |
3440557b FB |
1858 | suffix = 'w'; |
1859 | break; | |
1860 | case 4: | |
afcea8cb | 1861 | val = cpu_inl(addr); |
3440557b FB |
1862 | suffix = 'l'; |
1863 | break; | |
1864 | } | |
376253ec AL |
1865 | monitor_printf(mon, "port%c[0x%04x] = %#0*x\n", |
1866 | suffix, addr, size * 2, val); | |
3440557b | 1867 | } |
a3a91a35 | 1868 | |
3e5a50d6 | 1869 | static void hmp_ioport_write(Monitor *mon, const QDict *qdict) |
f114784f | 1870 | { |
1bd1442e LC |
1871 | int size = qdict_get_int(qdict, "size"); |
1872 | int addr = qdict_get_int(qdict, "addr"); | |
1873 | int val = qdict_get_int(qdict, "val"); | |
1874 | ||
f114784f JK |
1875 | addr &= IOPORTS_MASK; |
1876 | ||
1877 | switch (size) { | |
1878 | default: | |
1879 | case 1: | |
afcea8cb | 1880 | cpu_outb(addr, val); |
f114784f JK |
1881 | break; |
1882 | case 2: | |
afcea8cb | 1883 | cpu_outw(addr, val); |
f114784f JK |
1884 | break; |
1885 | case 4: | |
afcea8cb | 1886 | cpu_outl(addr, val); |
f114784f JK |
1887 | break; |
1888 | } | |
1889 | } | |
1890 | ||
3e5a50d6 | 1891 | static void hmp_boot_set(Monitor *mon, const QDict *qdict) |
0ecdffbb | 1892 | { |
f1839938 | 1893 | Error *local_err = NULL; |
d54908a5 | 1894 | const char *bootdevice = qdict_get_str(qdict, "bootdevice"); |
0ecdffbb | 1895 | |
f1839938 GA |
1896 | qemu_boot_set(bootdevice, &local_err); |
1897 | if (local_err) { | |
193227f9 | 1898 | error_report_err(local_err); |
0ecdffbb | 1899 | } else { |
f1839938 | 1900 | monitor_printf(mon, "boot device list now set to %s\n", bootdevice); |
0ecdffbb AJ |
1901 | } |
1902 | } | |
1903 | ||
1ce6be24 | 1904 | static void hmp_info_mtree(Monitor *mon, const QDict *qdict) |
314e2987 | 1905 | { |
57bb40c9 | 1906 | bool flatview = qdict_get_try_bool(qdict, "flatview", false); |
5e8fd947 | 1907 | bool dispatch_tree = qdict_get_try_bool(qdict, "dispatch_tree", false); |
fc051ae6 | 1908 | bool owner = qdict_get_try_bool(qdict, "owner", false); |
57bb40c9 | 1909 | |
b6b71cb5 | 1910 | mtree_info(flatview, dispatch_tree, owner); |
314e2987 BS |
1911 | } |
1912 | ||
1ce6be24 | 1913 | static void hmp_info_numa(Monitor *mon, const QDict *qdict) |
030ea37b | 1914 | { |
b28b6230 | 1915 | int i; |
31959e82 | 1916 | NumaNodeMem *node_mem; |
f75cd44d | 1917 | CpuInfoList *cpu_list, *cpu; |
030ea37b | 1918 | |
f75cd44d | 1919 | cpu_list = qmp_query_cpus(&error_abort); |
31959e82 VG |
1920 | node_mem = g_new0(NumaNodeMem, nb_numa_nodes); |
1921 | ||
5b009e40 | 1922 | query_numa_node_mem(node_mem); |
030ea37b AL |
1923 | monitor_printf(mon, "%d nodes\n", nb_numa_nodes); |
1924 | for (i = 0; i < nb_numa_nodes; i++) { | |
1925 | monitor_printf(mon, "node %d cpus:", i); | |
f75cd44d IM |
1926 | for (cpu = cpu_list; cpu; cpu = cpu->next) { |
1927 | if (cpu->value->has_props && cpu->value->props->has_node_id && | |
1928 | cpu->value->props->node_id == i) { | |
1929 | monitor_printf(mon, " %" PRIi64, cpu->value->CPU); | |
030ea37b AL |
1930 | } |
1931 | } | |
1932 | monitor_printf(mon, "\n"); | |
1933 | monitor_printf(mon, "node %d size: %" PRId64 " MB\n", i, | |
31959e82 VG |
1934 | node_mem[i].node_mem >> 20); |
1935 | monitor_printf(mon, "node %d plugged: %" PRId64 " MB\n", i, | |
1936 | node_mem[i].node_plugged_mem >> 20); | |
030ea37b | 1937 | } |
f75cd44d | 1938 | qapi_free_CpuInfoList(cpu_list); |
5b009e40 | 1939 | g_free(node_mem); |
030ea37b AL |
1940 | } |
1941 | ||
5f1ce948 FB |
1942 | #ifdef CONFIG_PROFILER |
1943 | ||
e9a6625e AJ |
1944 | int64_t dev_time; |
1945 | ||
1ce6be24 | 1946 | static void hmp_info_profile(Monitor *mon, const QDict *qdict) |
5f1ce948 | 1947 | { |
72fd2efb EC |
1948 | static int64_t last_cpu_exec_time; |
1949 | int64_t cpu_exec_time; | |
1950 | int64_t delta; | |
1951 | ||
1952 | cpu_exec_time = tcg_cpu_exec_time(); | |
1953 | delta = cpu_exec_time - last_cpu_exec_time; | |
1954 | ||
376253ec | 1955 | monitor_printf(mon, "async time %" PRId64 " (%0.3f)\n", |
73bcb24d | 1956 | dev_time, dev_time / (double)NANOSECONDS_PER_SECOND); |
376253ec | 1957 | monitor_printf(mon, "qemu time %" PRId64 " (%0.3f)\n", |
72fd2efb EC |
1958 | delta, delta / (double)NANOSECONDS_PER_SECOND); |
1959 | last_cpu_exec_time = cpu_exec_time; | |
5f1ce948 | 1960 | dev_time = 0; |
5f1ce948 FB |
1961 | } |
1962 | #else | |
1ce6be24 | 1963 | static void hmp_info_profile(Monitor *mon, const QDict *qdict) |
5f1ce948 | 1964 | { |
376253ec | 1965 | monitor_printf(mon, "Internal profiler not compiled\n"); |
5f1ce948 FB |
1966 | } |
1967 | #endif | |
1968 | ||
ec36b695 | 1969 | /* Capture support */ |
72cf2d4f | 1970 | static QLIST_HEAD (capture_list_head, CaptureState) capture_head; |
ec36b695 | 1971 | |
1ce6be24 | 1972 | static void hmp_info_capture(Monitor *mon, const QDict *qdict) |
ec36b695 FB |
1973 | { |
1974 | int i; | |
1975 | CaptureState *s; | |
1976 | ||
1977 | for (s = capture_head.lh_first, i = 0; s; s = s->entries.le_next, ++i) { | |
376253ec | 1978 | monitor_printf(mon, "[%d]: ", i); |
ec36b695 FB |
1979 | s->ops.info (s->opaque); |
1980 | } | |
1981 | } | |
1982 | ||
3e5a50d6 | 1983 | static void hmp_stopcapture(Monitor *mon, const QDict *qdict) |
ec36b695 FB |
1984 | { |
1985 | int i; | |
d54908a5 | 1986 | int n = qdict_get_int(qdict, "n"); |
ec36b695 FB |
1987 | CaptureState *s; |
1988 | ||
1989 | for (s = capture_head.lh_first, i = 0; s; s = s->entries.le_next, ++i) { | |
1990 | if (i == n) { | |
1991 | s->ops.destroy (s->opaque); | |
72cf2d4f | 1992 | QLIST_REMOVE (s, entries); |
7267c094 | 1993 | g_free (s); |
ec36b695 FB |
1994 | return; |
1995 | } | |
1996 | } | |
1997 | } | |
1998 | ||
3e5a50d6 | 1999 | static void hmp_wavcapture(Monitor *mon, const QDict *qdict) |
c1925484 LC |
2000 | { |
2001 | const char *path = qdict_get_str(qdict, "path"); | |
2002 | int has_freq = qdict_haskey(qdict, "freq"); | |
2003 | int freq = qdict_get_try_int(qdict, "freq", -1); | |
2004 | int has_bits = qdict_haskey(qdict, "bits"); | |
2005 | int bits = qdict_get_try_int(qdict, "bits", -1); | |
2006 | int has_channels = qdict_haskey(qdict, "nchannels"); | |
2007 | int nchannels = qdict_get_try_int(qdict, "nchannels", -1); | |
ec36b695 FB |
2008 | CaptureState *s; |
2009 | ||
7267c094 | 2010 | s = g_malloc0 (sizeof (*s)); |
ec36b695 FB |
2011 | |
2012 | freq = has_freq ? freq : 44100; | |
2013 | bits = has_bits ? bits : 16; | |
2014 | nchannels = has_channels ? nchannels : 2; | |
2015 | ||
2016 | if (wav_start_capture (s, path, freq, bits, nchannels)) { | |
d00b2618 | 2017 | monitor_printf(mon, "Failed to add wave capture\n"); |
7267c094 | 2018 | g_free (s); |
d00b2618 | 2019 | return; |
ec36b695 | 2020 | } |
72cf2d4f | 2021 | QLIST_INSERT_HEAD (&capture_head, s, entries); |
ec36b695 | 2022 | } |
ec36b695 | 2023 | |
b76806d4 | 2024 | static QAuthZList *find_auth(Monitor *mon, const char *name) |
76655d6d | 2025 | { |
b76806d4 DB |
2026 | Object *obj; |
2027 | Object *container; | |
76655d6d | 2028 | |
b76806d4 DB |
2029 | container = object_get_objects_root(); |
2030 | obj = object_resolve_path_component(container, name); | |
2031 | if (!obj) { | |
15dfcd45 | 2032 | monitor_printf(mon, "acl: unknown list '%s'\n", name); |
b76806d4 | 2033 | return NULL; |
76655d6d | 2034 | } |
b76806d4 DB |
2035 | |
2036 | return QAUTHZ_LIST(obj); | |
15dfcd45 JK |
2037 | } |
2038 | ||
01438407 DB |
2039 | static bool warn_acl; |
2040 | static void hmp_warn_acl(void) | |
2041 | { | |
2042 | if (warn_acl) { | |
2043 | return; | |
2044 | } | |
2045 | error_report("The acl_show, acl_reset, acl_policy, acl_add, acl_remove " | |
2046 | "commands are deprecated with no replacement. Authorization " | |
2047 | "for VNC should be performed using the pluggable QAuthZ " | |
2048 | "objects"); | |
2049 | warn_acl = true; | |
2050 | } | |
2051 | ||
3e5a50d6 | 2052 | static void hmp_acl_show(Monitor *mon, const QDict *qdict) |
15dfcd45 | 2053 | { |
d54908a5 | 2054 | const char *aclname = qdict_get_str(qdict, "aclname"); |
b76806d4 DB |
2055 | QAuthZList *auth = find_auth(mon, aclname); |
2056 | QAuthZListRuleList *rules; | |
2057 | size_t i = 0; | |
2058 | ||
01438407 DB |
2059 | hmp_warn_acl(); |
2060 | ||
b76806d4 DB |
2061 | if (!auth) { |
2062 | return; | |
2063 | } | |
2064 | ||
2065 | monitor_printf(mon, "policy: %s\n", | |
2066 | QAuthZListPolicy_str(auth->policy)); | |
2067 | ||
2068 | rules = auth->rules; | |
2069 | while (rules) { | |
2070 | QAuthZListRule *rule = rules->value; | |
2071 | i++; | |
2072 | monitor_printf(mon, "%zu: %s %s\n", i, | |
2073 | QAuthZListPolicy_str(rule->policy), | |
2074 | rule->match); | |
2075 | rules = rules->next; | |
15dfcd45 JK |
2076 | } |
2077 | } | |
2078 | ||
3e5a50d6 | 2079 | static void hmp_acl_reset(Monitor *mon, const QDict *qdict) |
15dfcd45 | 2080 | { |
d54908a5 | 2081 | const char *aclname = qdict_get_str(qdict, "aclname"); |
b76806d4 | 2082 | QAuthZList *auth = find_auth(mon, aclname); |
15dfcd45 | 2083 | |
01438407 DB |
2084 | hmp_warn_acl(); |
2085 | ||
b76806d4 DB |
2086 | if (!auth) { |
2087 | return; | |
15dfcd45 | 2088 | } |
b76806d4 DB |
2089 | |
2090 | auth->policy = QAUTHZ_LIST_POLICY_DENY; | |
2091 | qapi_free_QAuthZListRuleList(auth->rules); | |
2092 | auth->rules = NULL; | |
2093 | monitor_printf(mon, "acl: removed all rules\n"); | |
15dfcd45 JK |
2094 | } |
2095 | ||
3e5a50d6 | 2096 | static void hmp_acl_policy(Monitor *mon, const QDict *qdict) |
15dfcd45 | 2097 | { |
f18c16de LC |
2098 | const char *aclname = qdict_get_str(qdict, "aclname"); |
2099 | const char *policy = qdict_get_str(qdict, "policy"); | |
b76806d4 DB |
2100 | QAuthZList *auth = find_auth(mon, aclname); |
2101 | int val; | |
2102 | Error *err = NULL; | |
28a76be8 | 2103 | |
01438407 DB |
2104 | hmp_warn_acl(); |
2105 | ||
b76806d4 DB |
2106 | if (!auth) { |
2107 | return; | |
2108 | } | |
2109 | ||
2110 | val = qapi_enum_parse(&QAuthZListPolicy_lookup, | |
2111 | policy, | |
2112 | QAUTHZ_LIST_POLICY_DENY, | |
2113 | &err); | |
2114 | if (err) { | |
2115 | error_free(err); | |
2116 | monitor_printf(mon, "acl: unknown policy '%s', " | |
2117 | "expected 'deny' or 'allow'\n", policy); | |
2118 | } else { | |
2119 | auth->policy = val; | |
2120 | if (auth->policy == QAUTHZ_LIST_POLICY_ALLOW) { | |
28a76be8 | 2121 | monitor_printf(mon, "acl: policy set to 'allow'\n"); |
28a76be8 | 2122 | } else { |
b76806d4 | 2123 | monitor_printf(mon, "acl: policy set to 'deny'\n"); |
28a76be8 | 2124 | } |
15dfcd45 JK |
2125 | } |
2126 | } | |
28a76be8 | 2127 | |
b76806d4 DB |
2128 | static QAuthZListFormat hmp_acl_get_format(const char *match) |
2129 | { | |
2130 | if (strchr(match, '*')) { | |
2131 | return QAUTHZ_LIST_FORMAT_GLOB; | |
2132 | } else { | |
2133 | return QAUTHZ_LIST_FORMAT_EXACT; | |
2134 | } | |
2135 | } | |
2136 | ||
3e5a50d6 | 2137 | static void hmp_acl_add(Monitor *mon, const QDict *qdict) |
15dfcd45 | 2138 | { |
1bd1442e LC |
2139 | const char *aclname = qdict_get_str(qdict, "aclname"); |
2140 | const char *match = qdict_get_str(qdict, "match"); | |
b76806d4 | 2141 | const char *policystr = qdict_get_str(qdict, "policy"); |
1bd1442e LC |
2142 | int has_index = qdict_haskey(qdict, "index"); |
2143 | int index = qdict_get_try_int(qdict, "index", -1); | |
b76806d4 DB |
2144 | QAuthZList *auth = find_auth(mon, aclname); |
2145 | Error *err = NULL; | |
2146 | QAuthZListPolicy policy; | |
2147 | QAuthZListFormat format; | |
2148 | size_t i = 0; | |
2149 | ||
01438407 DB |
2150 | hmp_warn_acl(); |
2151 | ||
b76806d4 DB |
2152 | if (!auth) { |
2153 | return; | |
2154 | } | |
2155 | ||
2156 | policy = qapi_enum_parse(&QAuthZListPolicy_lookup, | |
2157 | policystr, | |
2158 | QAUTHZ_LIST_POLICY_DENY, | |
2159 | &err); | |
2160 | if (err) { | |
2161 | error_free(err); | |
2162 | monitor_printf(mon, "acl: unknown policy '%s', " | |
2163 | "expected 'deny' or 'allow'\n", policystr); | |
2164 | return; | |
2165 | } | |
2166 | ||
2167 | format = hmp_acl_get_format(match); | |
2168 | ||
2169 | if (has_index && index == 0) { | |
2170 | monitor_printf(mon, "acl: unable to add acl entry\n"); | |
2171 | return; | |
2172 | } | |
2173 | ||
2174 | if (has_index) { | |
2175 | i = qauthz_list_insert_rule(auth, match, policy, | |
2176 | format, index - 1, &err); | |
2177 | } else { | |
2178 | i = qauthz_list_append_rule(auth, match, policy, | |
2179 | format, &err); | |
2180 | } | |
2181 | if (err) { | |
2182 | monitor_printf(mon, "acl: unable to add rule: %s", | |
2183 | error_get_pretty(err)); | |
2184 | error_free(err); | |
2185 | } else { | |
2186 | monitor_printf(mon, "acl: added rule at position %zu\n", i + 1); | |
15dfcd45 JK |
2187 | } |
2188 | } | |
28a76be8 | 2189 | |
3e5a50d6 | 2190 | static void hmp_acl_remove(Monitor *mon, const QDict *qdict) |
15dfcd45 | 2191 | { |
f18c16de LC |
2192 | const char *aclname = qdict_get_str(qdict, "aclname"); |
2193 | const char *match = qdict_get_str(qdict, "match"); | |
b76806d4 DB |
2194 | QAuthZList *auth = find_auth(mon, aclname); |
2195 | ssize_t i = 0; | |
28a76be8 | 2196 | |
01438407 DB |
2197 | hmp_warn_acl(); |
2198 | ||
b76806d4 DB |
2199 | if (!auth) { |
2200 | return; | |
2201 | } | |
2202 | ||
2203 | i = qauthz_list_delete_rule(auth, match); | |
2204 | if (i >= 0) { | |
2205 | monitor_printf(mon, "acl: removed rule at position %zu\n", i + 1); | |
2206 | } else { | |
2207 | monitor_printf(mon, "acl: no matching acl entry\n"); | |
76655d6d AL |
2208 | } |
2209 | } | |
2210 | ||
208c9d1b | 2211 | void qmp_getfd(const char *fdname, Error **errp) |
f07918fd | 2212 | { |
c227f099 | 2213 | mon_fd_t *monfd; |
9409fc05 | 2214 | int fd, tmp_fd; |
f07918fd | 2215 | |
5345fdb4 | 2216 | fd = qemu_chr_fe_get_msgfd(&cur_mon->chr); |
f07918fd | 2217 | if (fd == -1) { |
c6bd8c70 | 2218 | error_setg(errp, QERR_FD_NOT_SUPPLIED); |
208c9d1b | 2219 | return; |
f07918fd MM |
2220 | } |
2221 | ||
2222 | if (qemu_isdigit(fdname[0])) { | |
0b9f0e2f | 2223 | close(fd); |
c6bd8c70 MA |
2224 | error_setg(errp, QERR_INVALID_PARAMETER_VALUE, "fdname", |
2225 | "a name not starting with a digit"); | |
208c9d1b | 2226 | return; |
f07918fd MM |
2227 | } |
2228 | ||
9409fc05 | 2229 | qemu_mutex_lock(&cur_mon->mon_lock); |
208c9d1b | 2230 | QLIST_FOREACH(monfd, &cur_mon->fds, next) { |
f07918fd MM |
2231 | if (strcmp(monfd->name, fdname) != 0) { |
2232 | continue; | |
2233 | } | |
2234 | ||
9409fc05 | 2235 | tmp_fd = monfd->fd; |
f07918fd | 2236 | monfd->fd = fd; |
9409fc05 | 2237 | qemu_mutex_unlock(&cur_mon->mon_lock); |
774a6b67 | 2238 | /* Make sure close() is outside critical section */ |
9409fc05 | 2239 | close(tmp_fd); |
208c9d1b | 2240 | return; |
f07918fd MM |
2241 | } |
2242 | ||
7267c094 AL |
2243 | monfd = g_malloc0(sizeof(mon_fd_t)); |
2244 | monfd->name = g_strdup(fdname); | |
f07918fd MM |
2245 | monfd->fd = fd; |
2246 | ||
208c9d1b | 2247 | QLIST_INSERT_HEAD(&cur_mon->fds, monfd, next); |
9409fc05 | 2248 | qemu_mutex_unlock(&cur_mon->mon_lock); |
f07918fd MM |
2249 | } |
2250 | ||
208c9d1b | 2251 | void qmp_closefd(const char *fdname, Error **errp) |
f07918fd | 2252 | { |
c227f099 | 2253 | mon_fd_t *monfd; |
9409fc05 | 2254 | int tmp_fd; |
f07918fd | 2255 | |
9409fc05 | 2256 | qemu_mutex_lock(&cur_mon->mon_lock); |
208c9d1b | 2257 | QLIST_FOREACH(monfd, &cur_mon->fds, next) { |
f07918fd MM |
2258 | if (strcmp(monfd->name, fdname) != 0) { |
2259 | continue; | |
2260 | } | |
2261 | ||
72cf2d4f | 2262 | QLIST_REMOVE(monfd, next); |
9409fc05 | 2263 | tmp_fd = monfd->fd; |
7267c094 AL |
2264 | g_free(monfd->name); |
2265 | g_free(monfd); | |
9409fc05 | 2266 | qemu_mutex_unlock(&cur_mon->mon_lock); |
774a6b67 | 2267 | /* Make sure close() is outside critical section */ |
9409fc05 | 2268 | close(tmp_fd); |
208c9d1b | 2269 | return; |
f07918fd MM |
2270 | } |
2271 | ||
9409fc05 | 2272 | qemu_mutex_unlock(&cur_mon->mon_lock); |
c6bd8c70 | 2273 | error_setg(errp, QERR_FD_NOT_FOUND, fdname); |
f07918fd MM |
2274 | } |
2275 | ||
a9940fc4 | 2276 | int monitor_get_fd(Monitor *mon, const char *fdname, Error **errp) |
7768e04c | 2277 | { |
c227f099 | 2278 | mon_fd_t *monfd; |
7768e04c | 2279 | |
9409fc05 | 2280 | qemu_mutex_lock(&mon->mon_lock); |
72cf2d4f | 2281 | QLIST_FOREACH(monfd, &mon->fds, next) { |
7768e04c MM |
2282 | int fd; |
2283 | ||
2284 | if (strcmp(monfd->name, fdname) != 0) { | |
2285 | continue; | |
2286 | } | |
2287 | ||
2288 | fd = monfd->fd; | |
2289 | ||
2290 | /* caller takes ownership of fd */ | |
72cf2d4f | 2291 | QLIST_REMOVE(monfd, next); |
7267c094 AL |
2292 | g_free(monfd->name); |
2293 | g_free(monfd); | |
9409fc05 | 2294 | qemu_mutex_unlock(&mon->mon_lock); |
7768e04c MM |
2295 | |
2296 | return fd; | |
2297 | } | |
2298 | ||
9409fc05 | 2299 | qemu_mutex_unlock(&mon->mon_lock); |
a9940fc4 | 2300 | error_setg(errp, "File descriptor named '%s' has not been found", fdname); |
7768e04c MM |
2301 | return -1; |
2302 | } | |
2303 | ||
ba1c048a CB |
2304 | static void monitor_fdset_cleanup(MonFdset *mon_fdset) |
2305 | { | |
2306 | MonFdsetFd *mon_fdset_fd; | |
2307 | MonFdsetFd *mon_fdset_fd_next; | |
2308 | ||
2309 | QLIST_FOREACH_SAFE(mon_fdset_fd, &mon_fdset->fds, next, mon_fdset_fd_next) { | |
ebe52b59 CB |
2310 | if ((mon_fdset_fd->removed || |
2311 | (QLIST_EMPTY(&mon_fdset->dup_fds) && mon_refcount == 0)) && | |
2312 | runstate_is_running()) { | |
ba1c048a CB |
2313 | close(mon_fdset_fd->fd); |
2314 | g_free(mon_fdset_fd->opaque); | |
2315 | QLIST_REMOVE(mon_fdset_fd, next); | |
2316 | g_free(mon_fdset_fd); | |
2317 | } | |
2318 | } | |
2319 | ||
adb696f3 | 2320 | if (QLIST_EMPTY(&mon_fdset->fds) && QLIST_EMPTY(&mon_fdset->dup_fds)) { |
ba1c048a CB |
2321 | QLIST_REMOVE(mon_fdset, next); |
2322 | g_free(mon_fdset); | |
2323 | } | |
2324 | } | |
2325 | ||
efb87c16 CB |
2326 | static void monitor_fdsets_cleanup(void) |
2327 | { | |
2328 | MonFdset *mon_fdset; | |
2329 | MonFdset *mon_fdset_next; | |
2330 | ||
47451466 | 2331 | qemu_mutex_lock(&mon_fdsets_lock); |
efb87c16 CB |
2332 | QLIST_FOREACH_SAFE(mon_fdset, &mon_fdsets, next, mon_fdset_next) { |
2333 | monitor_fdset_cleanup(mon_fdset); | |
2334 | } | |
47451466 | 2335 | qemu_mutex_unlock(&mon_fdsets_lock); |
efb87c16 CB |
2336 | } |
2337 | ||
ba1c048a CB |
2338 | AddfdInfo *qmp_add_fd(bool has_fdset_id, int64_t fdset_id, bool has_opaque, |
2339 | const char *opaque, Error **errp) | |
2340 | { | |
2341 | int fd; | |
2342 | Monitor *mon = cur_mon; | |
ba1c048a CB |
2343 | AddfdInfo *fdinfo; |
2344 | ||
5345fdb4 | 2345 | fd = qemu_chr_fe_get_msgfd(&mon->chr); |
ba1c048a | 2346 | if (fd == -1) { |
c6bd8c70 | 2347 | error_setg(errp, QERR_FD_NOT_SUPPLIED); |
ba1c048a CB |
2348 | goto error; |
2349 | } | |
2350 | ||
e446f70d CB |
2351 | fdinfo = monitor_fdset_add_fd(fd, has_fdset_id, fdset_id, |
2352 | has_opaque, opaque, errp); | |
2353 | if (fdinfo) { | |
2354 | return fdinfo; | |
ba1c048a | 2355 | } |
ba1c048a CB |
2356 | |
2357 | error: | |
2358 | if (fd != -1) { | |
2359 | close(fd); | |
2360 | } | |
2361 | return NULL; | |
2362 | } | |
2363 | ||
2364 | void qmp_remove_fd(int64_t fdset_id, bool has_fd, int64_t fd, Error **errp) | |
2365 | { | |
2366 | MonFdset *mon_fdset; | |
2367 | MonFdsetFd *mon_fdset_fd; | |
2368 | char fd_str[60]; | |
2369 | ||
47451466 | 2370 | qemu_mutex_lock(&mon_fdsets_lock); |
ba1c048a CB |
2371 | QLIST_FOREACH(mon_fdset, &mon_fdsets, next) { |
2372 | if (mon_fdset->id != fdset_id) { | |
2373 | continue; | |
2374 | } | |
2375 | QLIST_FOREACH(mon_fdset_fd, &mon_fdset->fds, next) { | |
2376 | if (has_fd) { | |
2377 | if (mon_fdset_fd->fd != fd) { | |
2378 | continue; | |
2379 | } | |
2380 | mon_fdset_fd->removed = true; | |
2381 | break; | |
2382 | } else { | |
2383 | mon_fdset_fd->removed = true; | |
2384 | } | |
2385 | } | |
2386 | if (has_fd && !mon_fdset_fd) { | |
2387 | goto error; | |
2388 | } | |
2389 | monitor_fdset_cleanup(mon_fdset); | |
47451466 | 2390 | qemu_mutex_unlock(&mon_fdsets_lock); |
ba1c048a CB |
2391 | return; |
2392 | } | |
2393 | ||
2394 | error: | |
47451466 | 2395 | qemu_mutex_unlock(&mon_fdsets_lock); |
ba1c048a CB |
2396 | if (has_fd) { |
2397 | snprintf(fd_str, sizeof(fd_str), "fdset-id:%" PRId64 ", fd:%" PRId64, | |
2398 | fdset_id, fd); | |
2399 | } else { | |
2400 | snprintf(fd_str, sizeof(fd_str), "fdset-id:%" PRId64, fdset_id); | |
2401 | } | |
c6bd8c70 | 2402 | error_setg(errp, QERR_FD_NOT_FOUND, fd_str); |
ba1c048a CB |
2403 | } |
2404 | ||
2405 | FdsetInfoList *qmp_query_fdsets(Error **errp) | |
2406 | { | |
2407 | MonFdset *mon_fdset; | |
2408 | MonFdsetFd *mon_fdset_fd; | |
2409 | FdsetInfoList *fdset_list = NULL; | |
2410 | ||
47451466 | 2411 | qemu_mutex_lock(&mon_fdsets_lock); |
ba1c048a CB |
2412 | QLIST_FOREACH(mon_fdset, &mon_fdsets, next) { |
2413 | FdsetInfoList *fdset_info = g_malloc0(sizeof(*fdset_info)); | |
2414 | FdsetFdInfoList *fdsetfd_list = NULL; | |
2415 | ||
2416 | fdset_info->value = g_malloc0(sizeof(*fdset_info->value)); | |
2417 | fdset_info->value->fdset_id = mon_fdset->id; | |
2418 | ||
2419 | QLIST_FOREACH(mon_fdset_fd, &mon_fdset->fds, next) { | |
2420 | FdsetFdInfoList *fdsetfd_info; | |
2421 | ||
2422 | fdsetfd_info = g_malloc0(sizeof(*fdsetfd_info)); | |
2423 | fdsetfd_info->value = g_malloc0(sizeof(*fdsetfd_info->value)); | |
2424 | fdsetfd_info->value->fd = mon_fdset_fd->fd; | |
2425 | if (mon_fdset_fd->opaque) { | |
2426 | fdsetfd_info->value->has_opaque = true; | |
2427 | fdsetfd_info->value->opaque = g_strdup(mon_fdset_fd->opaque); | |
2428 | } else { | |
2429 | fdsetfd_info->value->has_opaque = false; | |
2430 | } | |
2431 | ||
2432 | fdsetfd_info->next = fdsetfd_list; | |
2433 | fdsetfd_list = fdsetfd_info; | |
2434 | } | |
2435 | ||
2436 | fdset_info->value->fds = fdsetfd_list; | |
2437 | ||
2438 | fdset_info->next = fdset_list; | |
2439 | fdset_list = fdset_info; | |
2440 | } | |
47451466 | 2441 | qemu_mutex_unlock(&mon_fdsets_lock); |
ba1c048a CB |
2442 | |
2443 | return fdset_list; | |
2444 | } | |
2445 | ||
e446f70d CB |
2446 | AddfdInfo *monitor_fdset_add_fd(int fd, bool has_fdset_id, int64_t fdset_id, |
2447 | bool has_opaque, const char *opaque, | |
2448 | Error **errp) | |
2449 | { | |
2450 | MonFdset *mon_fdset = NULL; | |
2451 | MonFdsetFd *mon_fdset_fd; | |
2452 | AddfdInfo *fdinfo; | |
2453 | ||
47451466 | 2454 | qemu_mutex_lock(&mon_fdsets_lock); |
e446f70d CB |
2455 | if (has_fdset_id) { |
2456 | QLIST_FOREACH(mon_fdset, &mon_fdsets, next) { | |
2457 | /* Break if match found or match impossible due to ordering by ID */ | |
2458 | if (fdset_id <= mon_fdset->id) { | |
2459 | if (fdset_id < mon_fdset->id) { | |
2460 | mon_fdset = NULL; | |
2461 | } | |
2462 | break; | |
2463 | } | |
2464 | } | |
2465 | } | |
2466 | ||
2467 | if (mon_fdset == NULL) { | |
2468 | int64_t fdset_id_prev = -1; | |
2469 | MonFdset *mon_fdset_cur = QLIST_FIRST(&mon_fdsets); | |
2470 | ||
2471 | if (has_fdset_id) { | |
2472 | if (fdset_id < 0) { | |
c6bd8c70 MA |
2473 | error_setg(errp, QERR_INVALID_PARAMETER_VALUE, "fdset-id", |
2474 | "a non-negative value"); | |
47451466 | 2475 | qemu_mutex_unlock(&mon_fdsets_lock); |
e446f70d CB |
2476 | return NULL; |
2477 | } | |
2478 | /* Use specified fdset ID */ | |
2479 | QLIST_FOREACH(mon_fdset, &mon_fdsets, next) { | |
2480 | mon_fdset_cur = mon_fdset; | |
2481 | if (fdset_id < mon_fdset_cur->id) { | |
2482 | break; | |
2483 | } | |
2484 | } | |
2485 | } else { | |
2486 | /* Use first available fdset ID */ | |
2487 | QLIST_FOREACH(mon_fdset, &mon_fdsets, next) { | |
2488 | mon_fdset_cur = mon_fdset; | |
2489 | if (fdset_id_prev == mon_fdset_cur->id - 1) { | |
2490 | fdset_id_prev = mon_fdset_cur->id; | |
2491 | continue; | |
2492 | } | |
2493 | break; | |
2494 | } | |
2495 | } | |
2496 | ||
2497 | mon_fdset = g_malloc0(sizeof(*mon_fdset)); | |
2498 | if (has_fdset_id) { | |
2499 | mon_fdset->id = fdset_id; | |
2500 | } else { | |
2501 | mon_fdset->id = fdset_id_prev + 1; | |
2502 | } | |
2503 | ||
2504 | /* The fdset list is ordered by fdset ID */ | |
2505 | if (!mon_fdset_cur) { | |
2506 | QLIST_INSERT_HEAD(&mon_fdsets, mon_fdset, next); | |
2507 | } else if (mon_fdset->id < mon_fdset_cur->id) { | |
2508 | QLIST_INSERT_BEFORE(mon_fdset_cur, mon_fdset, next); | |
2509 | } else { | |
2510 | QLIST_INSERT_AFTER(mon_fdset_cur, mon_fdset, next); | |
2511 | } | |
2512 | } | |
2513 | ||
2514 | mon_fdset_fd = g_malloc0(sizeof(*mon_fdset_fd)); | |
2515 | mon_fdset_fd->fd = fd; | |
2516 | mon_fdset_fd->removed = false; | |
2517 | if (has_opaque) { | |
2518 | mon_fdset_fd->opaque = g_strdup(opaque); | |
2519 | } | |
2520 | QLIST_INSERT_HEAD(&mon_fdset->fds, mon_fdset_fd, next); | |
2521 | ||
2522 | fdinfo = g_malloc0(sizeof(*fdinfo)); | |
2523 | fdinfo->fdset_id = mon_fdset->id; | |
2524 | fdinfo->fd = mon_fdset_fd->fd; | |
2525 | ||
47451466 | 2526 | qemu_mutex_unlock(&mon_fdsets_lock); |
e446f70d CB |
2527 | return fdinfo; |
2528 | } | |
2529 | ||
adb696f3 CB |
2530 | int monitor_fdset_get_fd(int64_t fdset_id, int flags) |
2531 | { | |
47451466 PX |
2532 | #ifdef _WIN32 |
2533 | return -ENOENT; | |
2534 | #else | |
adb696f3 CB |
2535 | MonFdset *mon_fdset; |
2536 | MonFdsetFd *mon_fdset_fd; | |
2537 | int mon_fd_flags; | |
47451466 | 2538 | int ret; |
adb696f3 | 2539 | |
47451466 | 2540 | qemu_mutex_lock(&mon_fdsets_lock); |
adb696f3 CB |
2541 | QLIST_FOREACH(mon_fdset, &mon_fdsets, next) { |
2542 | if (mon_fdset->id != fdset_id) { | |
2543 | continue; | |
2544 | } | |
2545 | QLIST_FOREACH(mon_fdset_fd, &mon_fdset->fds, next) { | |
2546 | mon_fd_flags = fcntl(mon_fdset_fd->fd, F_GETFL); | |
2547 | if (mon_fd_flags == -1) { | |
47451466 PX |
2548 | ret = -errno; |
2549 | goto out; | |
adb696f3 CB |
2550 | } |
2551 | ||
2552 | if ((flags & O_ACCMODE) == (mon_fd_flags & O_ACCMODE)) { | |
47451466 PX |
2553 | ret = mon_fdset_fd->fd; |
2554 | goto out; | |
adb696f3 CB |
2555 | } |
2556 | } | |
47451466 PX |
2557 | ret = -EACCES; |
2558 | goto out; | |
adb696f3 | 2559 | } |
47451466 | 2560 | ret = -ENOENT; |
adb696f3 | 2561 | |
47451466 PX |
2562 | out: |
2563 | qemu_mutex_unlock(&mon_fdsets_lock); | |
2564 | return ret; | |
2565 | #endif | |
adb696f3 CB |
2566 | } |
2567 | ||
2568 | int monitor_fdset_dup_fd_add(int64_t fdset_id, int dup_fd) | |
2569 | { | |
2570 | MonFdset *mon_fdset; | |
2571 | MonFdsetFd *mon_fdset_fd_dup; | |
2572 | ||
47451466 | 2573 | qemu_mutex_lock(&mon_fdsets_lock); |
adb696f3 CB |
2574 | QLIST_FOREACH(mon_fdset, &mon_fdsets, next) { |
2575 | if (mon_fdset->id != fdset_id) { | |
2576 | continue; | |
2577 | } | |
2578 | QLIST_FOREACH(mon_fdset_fd_dup, &mon_fdset->dup_fds, next) { | |
2579 | if (mon_fdset_fd_dup->fd == dup_fd) { | |
47451466 | 2580 | goto err; |
adb696f3 CB |
2581 | } |
2582 | } | |
2583 | mon_fdset_fd_dup = g_malloc0(sizeof(*mon_fdset_fd_dup)); | |
2584 | mon_fdset_fd_dup->fd = dup_fd; | |
2585 | QLIST_INSERT_HEAD(&mon_fdset->dup_fds, mon_fdset_fd_dup, next); | |
47451466 | 2586 | qemu_mutex_unlock(&mon_fdsets_lock); |
adb696f3 CB |
2587 | return 0; |
2588 | } | |
47451466 PX |
2589 | |
2590 | err: | |
2591 | qemu_mutex_unlock(&mon_fdsets_lock); | |
adb696f3 CB |
2592 | return -1; |
2593 | } | |
2594 | ||
2595 | static int monitor_fdset_dup_fd_find_remove(int dup_fd, bool remove) | |
2596 | { | |
2597 | MonFdset *mon_fdset; | |
2598 | MonFdsetFd *mon_fdset_fd_dup; | |
2599 | ||
47451466 | 2600 | qemu_mutex_lock(&mon_fdsets_lock); |
adb696f3 CB |
2601 | QLIST_FOREACH(mon_fdset, &mon_fdsets, next) { |
2602 | QLIST_FOREACH(mon_fdset_fd_dup, &mon_fdset->dup_fds, next) { | |
2603 | if (mon_fdset_fd_dup->fd == dup_fd) { | |
2604 | if (remove) { | |
2605 | QLIST_REMOVE(mon_fdset_fd_dup, next); | |
2606 | if (QLIST_EMPTY(&mon_fdset->dup_fds)) { | |
2607 | monitor_fdset_cleanup(mon_fdset); | |
2608 | } | |
47451466 | 2609 | goto err; |
b3dd1b8c | 2610 | } else { |
47451466 | 2611 | qemu_mutex_unlock(&mon_fdsets_lock); |
b3dd1b8c | 2612 | return mon_fdset->id; |
adb696f3 | 2613 | } |
adb696f3 CB |
2614 | } |
2615 | } | |
2616 | } | |
47451466 PX |
2617 | |
2618 | err: | |
2619 | qemu_mutex_unlock(&mon_fdsets_lock); | |
adb696f3 CB |
2620 | return -1; |
2621 | } | |
2622 | ||
2623 | int monitor_fdset_dup_fd_find(int dup_fd) | |
2624 | { | |
2625 | return monitor_fdset_dup_fd_find_remove(dup_fd, false); | |
2626 | } | |
2627 | ||
b3dd1b8c | 2628 | void monitor_fdset_dup_fd_remove(int dup_fd) |
adb696f3 | 2629 | { |
b3dd1b8c | 2630 | monitor_fdset_dup_fd_find_remove(dup_fd, true); |
adb696f3 CB |
2631 | } |
2632 | ||
1677f4c6 | 2633 | int monitor_fd_param(Monitor *mon, const char *fdname, Error **errp) |
5906366e LE |
2634 | { |
2635 | int fd; | |
2636 | Error *local_err = NULL; | |
a96ed02f | 2637 | |
5906366e | 2638 | if (!qemu_isdigit(fdname[0]) && mon) { |
a9940fc4 | 2639 | fd = monitor_get_fd(mon, fdname, &local_err); |
5906366e LE |
2640 | } else { |
2641 | fd = qemu_parse_fd(fdname); | |
a96ed02f | 2642 | if (fd == -1) { |
5906366e LE |
2643 | error_setg(&local_err, "Invalid file descriptor number '%s'", |
2644 | fdname); | |
a96ed02f | 2645 | } |
5906366e LE |
2646 | } |
2647 | if (local_err) { | |
2648 | error_propagate(errp, local_err); | |
2649 | assert(fd == -1); | |
a96ed02f | 2650 | } else { |
5906366e | 2651 | assert(fd != -1); |
a96ed02f NB |
2652 | } |
2653 | ||
2654 | return fd; | |
2655 | } | |
2656 | ||
acd0a093 | 2657 | /* Please update hmp-commands.hx when adding or changing commands */ |
816f8925 | 2658 | static mon_cmd_t info_cmds[] = { |
da76ee76 PB |
2659 | #include "hmp-commands-info.h" |
2660 | { NULL, NULL, }, | |
9dc39cba FB |
2661 | }; |
2662 | ||
a13ced59 WX |
2663 | /* mon_cmds and info_cmds would be sorted at runtime */ |
2664 | static mon_cmd_t mon_cmds[] = { | |
2665 | #include "hmp-commands.h" | |
2666 | { NULL, NULL, }, | |
2667 | }; | |
2668 | ||
9307c4c1 FB |
2669 | /*******************************************************************/ |
2670 | ||
2671 | static const char *pch; | |
6ab7e546 | 2672 | static sigjmp_buf expr_env; |
9307c4c1 | 2673 | |
9307c4c1 | 2674 | |
9c3175cc SW |
2675 | static void GCC_FMT_ATTR(2, 3) QEMU_NORETURN |
2676 | expr_error(Monitor *mon, const char *fmt, ...) | |
9dc39cba | 2677 | { |
277acfe8 FZ |
2678 | va_list ap; |
2679 | va_start(ap, fmt); | |
2680 | monitor_vprintf(mon, fmt, ap); | |
2681 | monitor_printf(mon, "\n"); | |
2682 | va_end(ap); | |
6ab7e546 | 2683 | siglongjmp(expr_env, 1); |
9307c4c1 FB |
2684 | } |
2685 | ||
09b9418c | 2686 | /* return 0 if OK, -1 if not found */ |
92a31b1f | 2687 | static int get_monitor_def(target_long *pval, const char *name) |
9307c4c1 | 2688 | { |
bf957284 | 2689 | const MonitorDef *md = target_monitor_defs(); |
854e67fe | 2690 | CPUState *cs = mon_get_cpu(); |
92a31b1f | 2691 | void *ptr; |
0a9516c2 AK |
2692 | uint64_t tmp = 0; |
2693 | int ret; | |
92a31b1f | 2694 | |
854e67fe | 2695 | if (cs == NULL || md == NULL) { |
bf957284 PB |
2696 | return -1; |
2697 | } | |
2698 | ||
2699 | for(; md->name != NULL; md++) { | |
9307c4c1 FB |
2700 | if (compare_cmd(name, md->name)) { |
2701 | if (md->get_value) { | |
e95c8d51 | 2702 | *pval = md->get_value(md, md->offset); |
9307c4c1 | 2703 | } else { |
5bcda5f7 | 2704 | CPUArchState *env = mon_get_cpu_env(); |
6a00d601 | 2705 | ptr = (uint8_t *)env + md->offset; |
92a31b1f FB |
2706 | switch(md->type) { |
2707 | case MD_I32: | |
2708 | *pval = *(int32_t *)ptr; | |
2709 | break; | |
2710 | case MD_TLONG: | |
2711 | *pval = *(target_long *)ptr; | |
2712 | break; | |
2713 | default: | |
2714 | *pval = 0; | |
2715 | break; | |
2716 | } | |
9307c4c1 FB |
2717 | } |
2718 | return 0; | |
2719 | } | |
2720 | } | |
0a9516c2 | 2721 | |
854e67fe | 2722 | ret = target_get_monitor_def(cs, name, &tmp); |
0a9516c2 AK |
2723 | if (!ret) { |
2724 | *pval = (target_long) tmp; | |
2725 | } | |
2726 | ||
2727 | return ret; | |
9307c4c1 FB |
2728 | } |
2729 | ||
2730 | static void next(void) | |
2731 | { | |
660f11be | 2732 | if (*pch != '\0') { |
9307c4c1 | 2733 | pch++; |
cd390083 | 2734 | while (qemu_isspace(*pch)) |
9307c4c1 FB |
2735 | pch++; |
2736 | } | |
2737 | } | |
2738 | ||
376253ec | 2739 | static int64_t expr_sum(Monitor *mon); |
9307c4c1 | 2740 | |
376253ec | 2741 | static int64_t expr_unary(Monitor *mon) |
9307c4c1 | 2742 | { |
c2efc95d | 2743 | int64_t n; |
9307c4c1 | 2744 | char *p; |
6a00d601 | 2745 | int ret; |
9307c4c1 FB |
2746 | |
2747 | switch(*pch) { | |
2748 | case '+': | |
2749 | next(); | |
376253ec | 2750 | n = expr_unary(mon); |
9307c4c1 FB |
2751 | break; |
2752 | case '-': | |
2753 | next(); | |
376253ec | 2754 | n = -expr_unary(mon); |
9307c4c1 FB |
2755 | break; |
2756 | case '~': | |
2757 | next(); | |
376253ec | 2758 | n = ~expr_unary(mon); |
9307c4c1 FB |
2759 | break; |
2760 | case '(': | |
2761 | next(); | |
376253ec | 2762 | n = expr_sum(mon); |
9307c4c1 | 2763 | if (*pch != ')') { |
376253ec | 2764 | expr_error(mon, "')' expected"); |
9307c4c1 FB |
2765 | } |
2766 | next(); | |
2767 | break; | |
81d0912d FB |
2768 | case '\'': |
2769 | pch++; | |
2770 | if (*pch == '\0') | |
376253ec | 2771 | expr_error(mon, "character constant expected"); |
81d0912d FB |
2772 | n = *pch; |
2773 | pch++; | |
2774 | if (*pch != '\'') | |
376253ec | 2775 | expr_error(mon, "missing terminating \' character"); |
81d0912d FB |
2776 | next(); |
2777 | break; | |
9307c4c1 FB |
2778 | case '$': |
2779 | { | |
2780 | char buf[128], *q; | |
69b34976 | 2781 | target_long reg=0; |
3b46e624 | 2782 | |
9307c4c1 FB |
2783 | pch++; |
2784 | q = buf; | |
2785 | while ((*pch >= 'a' && *pch <= 'z') || | |
2786 | (*pch >= 'A' && *pch <= 'Z') || | |
2787 | (*pch >= '0' && *pch <= '9') || | |
57206fd4 | 2788 | *pch == '_' || *pch == '.') { |
9307c4c1 FB |
2789 | if ((q - buf) < sizeof(buf) - 1) |
2790 | *q++ = *pch; | |
2791 | pch++; | |
2792 | } | |
cd390083 | 2793 | while (qemu_isspace(*pch)) |
9307c4c1 FB |
2794 | pch++; |
2795 | *q = 0; | |
7743e588 | 2796 | ret = get_monitor_def(®, buf); |
09b9418c | 2797 | if (ret < 0) |
376253ec | 2798 | expr_error(mon, "unknown register"); |
7743e588 | 2799 | n = reg; |
9307c4c1 FB |
2800 | } |
2801 | break; | |
2802 | case '\0': | |
376253ec | 2803 | expr_error(mon, "unexpected end of expression"); |
9307c4c1 FB |
2804 | n = 0; |
2805 | break; | |
2806 | default: | |
6b0e33be | 2807 | errno = 0; |
4f4fbf77 | 2808 | n = strtoull(pch, &p, 0); |
6b0e33be LC |
2809 | if (errno == ERANGE) { |
2810 | expr_error(mon, "number too large"); | |
2811 | } | |
9307c4c1 | 2812 | if (pch == p) { |
277acfe8 | 2813 | expr_error(mon, "invalid char '%c' in expression", *p); |
9307c4c1 FB |
2814 | } |
2815 | pch = p; | |
cd390083 | 2816 | while (qemu_isspace(*pch)) |
9307c4c1 FB |
2817 | pch++; |
2818 | break; | |
2819 | } | |
2820 | return n; | |
2821 | } | |
2822 | ||
2823 | ||
376253ec | 2824 | static int64_t expr_prod(Monitor *mon) |
9307c4c1 | 2825 | { |
c2efc95d | 2826 | int64_t val, val2; |
92a31b1f | 2827 | int op; |
3b46e624 | 2828 | |
376253ec | 2829 | val = expr_unary(mon); |
9307c4c1 FB |
2830 | for(;;) { |
2831 | op = *pch; | |
2832 | if (op != '*' && op != '/' && op != '%') | |
2833 | break; | |
2834 | next(); | |
376253ec | 2835 | val2 = expr_unary(mon); |
9307c4c1 FB |
2836 | switch(op) { |
2837 | default: | |
2838 | case '*': | |
2839 | val *= val2; | |
2840 | break; | |
2841 | case '/': | |
2842 | case '%': | |
5fafdf24 | 2843 | if (val2 == 0) |
376253ec | 2844 | expr_error(mon, "division by zero"); |
9307c4c1 FB |
2845 | if (op == '/') |
2846 | val /= val2; | |
2847 | else | |
2848 | val %= val2; | |
2849 | break; | |
2850 | } | |
2851 | } | |
2852 | return val; | |
2853 | } | |
2854 | ||
376253ec | 2855 | static int64_t expr_logic(Monitor *mon) |
9307c4c1 | 2856 | { |
c2efc95d | 2857 | int64_t val, val2; |
92a31b1f | 2858 | int op; |
9307c4c1 | 2859 | |
376253ec | 2860 | val = expr_prod(mon); |
9307c4c1 FB |
2861 | for(;;) { |
2862 | op = *pch; | |
2863 | if (op != '&' && op != '|' && op != '^') | |
2864 | break; | |
2865 | next(); | |
376253ec | 2866 | val2 = expr_prod(mon); |
9307c4c1 FB |
2867 | switch(op) { |
2868 | default: | |
2869 | case '&': | |
2870 | val &= val2; | |
2871 | break; | |
2872 | case '|': | |
2873 | val |= val2; | |
2874 | break; | |
2875 | case '^': | |
2876 | val ^= val2; | |
2877 | break; | |
2878 | } | |
2879 | } | |
2880 | return val; | |
2881 | } | |
2882 | ||
376253ec | 2883 | static int64_t expr_sum(Monitor *mon) |
9307c4c1 | 2884 | { |
c2efc95d | 2885 | int64_t val, val2; |
92a31b1f | 2886 | int op; |
9307c4c1 | 2887 | |
376253ec | 2888 | val = expr_logic(mon); |
9307c4c1 FB |
2889 | for(;;) { |
2890 | op = *pch; | |
2891 | if (op != '+' && op != '-') | |
2892 | break; | |
2893 | next(); | |
376253ec | 2894 | val2 = expr_logic(mon); |
9307c4c1 FB |
2895 | if (op == '+') |
2896 | val += val2; | |
2897 | else | |
2898 | val -= val2; | |
2899 | } | |
2900 | return val; | |
2901 | } | |
2902 | ||
376253ec | 2903 | static int get_expr(Monitor *mon, int64_t *pval, const char **pp) |
9307c4c1 FB |
2904 | { |
2905 | pch = *pp; | |
6ab7e546 | 2906 | if (sigsetjmp(expr_env, 0)) { |
9307c4c1 FB |
2907 | *pp = pch; |
2908 | return -1; | |
2909 | } | |
cd390083 | 2910 | while (qemu_isspace(*pch)) |
9307c4c1 | 2911 | pch++; |
376253ec | 2912 | *pval = expr_sum(mon); |
9307c4c1 FB |
2913 | *pp = pch; |
2914 | return 0; | |
2915 | } | |
2916 | ||
3350a4dd MA |
2917 | static int get_double(Monitor *mon, double *pval, const char **pp) |
2918 | { | |
2919 | const char *p = *pp; | |
2920 | char *tailp; | |
2921 | double d; | |
2922 | ||
2923 | d = strtod(p, &tailp); | |
2924 | if (tailp == p) { | |
2925 | monitor_printf(mon, "Number expected\n"); | |
2926 | return -1; | |
2927 | } | |
2928 | if (d != d || d - d != 0) { | |
2929 | /* NaN or infinity */ | |
2930 | monitor_printf(mon, "Bad number\n"); | |
2931 | return -1; | |
2932 | } | |
2933 | *pval = d; | |
2934 | *pp = tailp; | |
2935 | return 0; | |
2936 | } | |
2937 | ||
4590fd80 LC |
2938 | /* |
2939 | * Store the command-name in cmdname, and return a pointer to | |
2940 | * the remaining of the command string. | |
2941 | */ | |
2942 | static const char *get_command_name(const char *cmdline, | |
2943 | char *cmdname, size_t nlen) | |
2944 | { | |
2945 | size_t len; | |
2946 | const char *p, *pstart; | |
2947 | ||
2948 | p = cmdline; | |
2949 | while (qemu_isspace(*p)) | |
2950 | p++; | |
2951 | if (*p == '\0') | |
2952 | return NULL; | |
2953 | pstart = p; | |
2954 | while (*p != '\0' && *p != '/' && !qemu_isspace(*p)) | |
2955 | p++; | |
2956 | len = p - pstart; | |
2957 | if (len > nlen - 1) | |
2958 | len = nlen - 1; | |
2959 | memcpy(cmdname, pstart, len); | |
2960 | cmdname[len] = '\0'; | |
2961 | return p; | |
2962 | } | |
2963 | ||
4d76d2ba LC |
2964 | /** |
2965 | * Read key of 'type' into 'key' and return the current | |
2966 | * 'type' pointer. | |
2967 | */ | |
2968 | static char *key_get_info(const char *type, char **key) | |
2969 | { | |
2970 | size_t len; | |
2971 | char *p, *str; | |
2972 | ||
2973 | if (*type == ',') | |
2974 | type++; | |
2975 | ||
2976 | p = strchr(type, ':'); | |
2977 | if (!p) { | |
2978 | *key = NULL; | |
2979 | return NULL; | |
2980 | } | |
2981 | len = p - type; | |
2982 | ||
7267c094 | 2983 | str = g_malloc(len + 1); |
4d76d2ba LC |
2984 | memcpy(str, type, len); |
2985 | str[len] = '\0'; | |
2986 | ||
2987 | *key = str; | |
2988 | return ++p; | |
2989 | } | |
2990 | ||
9307c4c1 FB |
2991 | static int default_fmt_format = 'x'; |
2992 | static int default_fmt_size = 4; | |
2993 | ||
fbc3d96c LS |
2994 | static int is_valid_option(const char *c, const char *typestr) |
2995 | { | |
2996 | char option[3]; | |
2997 | ||
2998 | option[0] = '-'; | |
2999 | option[1] = *c; | |
3000 | option[2] = '\0'; | |
3001 | ||
3002 | typestr = strstr(typestr, option); | |
3003 | return (typestr != NULL); | |
3004 | } | |
3005 | ||
945c5ac8 LC |
3006 | static const mon_cmd_t *search_dispatch_table(const mon_cmd_t *disp_table, |
3007 | const char *cmdname) | |
7fd669a1 LC |
3008 | { |
3009 | const mon_cmd_t *cmd; | |
3010 | ||
945c5ac8 | 3011 | for (cmd = disp_table; cmd->name != NULL; cmd++) { |
7fd669a1 LC |
3012 | if (compare_cmd(cmdname, cmd->name)) { |
3013 | return cmd; | |
3014 | } | |
3015 | } | |
3016 | ||
3017 | return NULL; | |
3018 | } | |
3019 | ||
5f3d335f | 3020 | /* |
ae50212f BD |
3021 | * Parse command name from @cmdp according to command table @table. |
3022 | * If blank, return NULL. | |
3023 | * Else, if no valid command can be found, report to @mon, and return | |
3024 | * NULL. | |
3025 | * Else, change @cmdp to point right behind the name, and return its | |
3026 | * command table entry. | |
3027 | * Do not assume the return value points into @table! It doesn't when | |
3028 | * the command is found in a sub-command table. | |
5f3d335f | 3029 | */ |
c227f099 | 3030 | static const mon_cmd_t *monitor_parse_command(Monitor *mon, |
250b8197 | 3031 | const char *cmdp_start, |
ae50212f BD |
3032 | const char **cmdp, |
3033 | mon_cmd_t *table) | |
9307c4c1 | 3034 | { |
ae50212f | 3035 | const char *p; |
c227f099 | 3036 | const mon_cmd_t *cmd; |
9307c4c1 | 3037 | char cmdname[256]; |
9dc39cba | 3038 | |
9307c4c1 | 3039 | /* extract the command name */ |
ae50212f | 3040 | p = get_command_name(*cmdp, cmdname, sizeof(cmdname)); |
4590fd80 | 3041 | if (!p) |
55f81d96 | 3042 | return NULL; |
3b46e624 | 3043 | |
5f3d335f | 3044 | cmd = search_dispatch_table(table, cmdname); |
7fd669a1 | 3045 | if (!cmd) { |
5f3d335f | 3046 | monitor_printf(mon, "unknown command: '%.*s'\n", |
250b8197 | 3047 | (int)(p - cmdp_start), cmdp_start); |
55f81d96 | 3048 | return NULL; |
9307c4c1 | 3049 | } |
c3120f71 DDAG |
3050 | if (runstate_check(RUN_STATE_PRECONFIG) && !cmd_can_preconfig(cmd)) { |
3051 | monitor_printf(mon, "Command '%.*s' not available with -preconfig " | |
3052 | "until after exit_preconfig.\n", | |
3053 | (int)(p - cmdp_start), cmdp_start); | |
3054 | return NULL; | |
3055 | } | |
9307c4c1 | 3056 | |
5f3d335f WX |
3057 | /* filter out following useless space */ |
3058 | while (qemu_isspace(*p)) { | |
3059 | p++; | |
3060 | } | |
ae50212f BD |
3061 | |
3062 | *cmdp = p; | |
5f3d335f | 3063 | /* search sub command */ |
ae50212f | 3064 | if (cmd->sub_table != NULL && *p != '\0') { |
250b8197 | 3065 | return monitor_parse_command(mon, cmdp_start, cmdp, cmd->sub_table); |
5f3d335f WX |
3066 | } |
3067 | ||
ae50212f BD |
3068 | return cmd; |
3069 | } | |
3070 | ||
3071 | /* | |
3072 | * Parse arguments for @cmd. | |
3073 | * If it can't be parsed, report to @mon, and return NULL. | |
3074 | * Else, insert command arguments into a QDict, and return it. | |
3075 | * Note: On success, caller has to free the QDict structure. | |
3076 | */ | |
3077 | ||
3078 | static QDict *monitor_parse_arguments(Monitor *mon, | |
3079 | const char **endp, | |
3080 | const mon_cmd_t *cmd) | |
3081 | { | |
3082 | const char *typestr; | |
3083 | char *key; | |
3084 | int c; | |
3085 | const char *p = *endp; | |
3086 | char buf[1024]; | |
3087 | QDict *qdict = qdict_new(); | |
3088 | ||
9307c4c1 FB |
3089 | /* parse the parameters */ |
3090 | typestr = cmd->args_type; | |
9dc39cba | 3091 | for(;;) { |
4d76d2ba LC |
3092 | typestr = key_get_info(typestr, &key); |
3093 | if (!typestr) | |
9dc39cba | 3094 | break; |
4d76d2ba | 3095 | c = *typestr; |
9307c4c1 FB |
3096 | typestr++; |
3097 | switch(c) { | |
3098 | case 'F': | |
81d0912d | 3099 | case 'B': |
9307c4c1 FB |
3100 | case 's': |
3101 | { | |
3102 | int ret; | |
3b46e624 | 3103 | |
cd390083 | 3104 | while (qemu_isspace(*p)) |
9307c4c1 FB |
3105 | p++; |
3106 | if (*typestr == '?') { | |
3107 | typestr++; | |
3108 | if (*p == '\0') { | |
3109 | /* no optional string: NULL argument */ | |
53773581 | 3110 | break; |
9307c4c1 FB |
3111 | } |
3112 | } | |
3113 | ret = get_str(buf, sizeof(buf), &p); | |
3114 | if (ret < 0) { | |
81d0912d FB |
3115 | switch(c) { |
3116 | case 'F': | |
376253ec | 3117 | monitor_printf(mon, "%s: filename expected\n", |
ae50212f | 3118 | cmd->name); |
81d0912d FB |
3119 | break; |
3120 | case 'B': | |
376253ec | 3121 | monitor_printf(mon, "%s: block device name expected\n", |
ae50212f | 3122 | cmd->name); |
81d0912d FB |
3123 | break; |
3124 | default: | |
ae50212f | 3125 | monitor_printf(mon, "%s: string expected\n", cmd->name); |
81d0912d FB |
3126 | break; |
3127 | } | |
9307c4c1 FB |
3128 | goto fail; |
3129 | } | |
46f5ac20 | 3130 | qdict_put_str(qdict, key, buf); |
9307c4c1 | 3131 | } |
9dc39cba | 3132 | break; |
361127df MA |
3133 | case 'O': |
3134 | { | |
3135 | QemuOptsList *opts_list; | |
3136 | QemuOpts *opts; | |
3137 | ||
3138 | opts_list = qemu_find_opts(key); | |
3139 | if (!opts_list || opts_list->desc->name) { | |
3140 | goto bad_type; | |
3141 | } | |
3142 | while (qemu_isspace(*p)) { | |
3143 | p++; | |
3144 | } | |
3145 | if (!*p) | |
3146 | break; | |
3147 | if (get_str(buf, sizeof(buf), &p) < 0) { | |
3148 | goto fail; | |
3149 | } | |
70b94331 | 3150 | opts = qemu_opts_parse_noisily(opts_list, buf, true); |
361127df MA |
3151 | if (!opts) { |
3152 | goto fail; | |
3153 | } | |
3154 | qemu_opts_to_qdict(opts, qdict); | |
3155 | qemu_opts_del(opts); | |
3156 | } | |
3157 | break; | |
9307c4c1 FB |
3158 | case '/': |
3159 | { | |
3160 | int count, format, size; | |
3b46e624 | 3161 | |
cd390083 | 3162 | while (qemu_isspace(*p)) |
9307c4c1 FB |
3163 | p++; |
3164 | if (*p == '/') { | |
3165 | /* format found */ | |
3166 | p++; | |
3167 | count = 1; | |
cd390083 | 3168 | if (qemu_isdigit(*p)) { |
9307c4c1 | 3169 | count = 0; |
cd390083 | 3170 | while (qemu_isdigit(*p)) { |
9307c4c1 FB |
3171 | count = count * 10 + (*p - '0'); |
3172 | p++; | |
3173 | } | |
3174 | } | |
3175 | size = -1; | |
3176 | format = -1; | |
3177 | for(;;) { | |
3178 | switch(*p) { | |
3179 | case 'o': | |
3180 | case 'd': | |
3181 | case 'u': | |
3182 | case 'x': | |
3183 | case 'i': | |
3184 | case 'c': | |
3185 | format = *p++; | |
3186 | break; | |
3187 | case 'b': | |
3188 | size = 1; | |
3189 | p++; | |
3190 | break; | |
3191 | case 'h': | |
3192 | size = 2; | |
3193 | p++; | |
3194 | break; | |
3195 | case 'w': | |
3196 | size = 4; | |
3197 | p++; | |
3198 | break; | |
3199 | case 'g': | |
3200 | case 'L': | |
3201 | size = 8; | |
3202 | p++; | |
3203 | break; | |
3204 | default: | |
3205 | goto next; | |
3206 | } | |
3207 | } | |
3208 | next: | |
cd390083 | 3209 | if (*p != '\0' && !qemu_isspace(*p)) { |
376253ec AL |
3210 | monitor_printf(mon, "invalid char in format: '%c'\n", |
3211 | *p); | |
9307c4c1 FB |
3212 | goto fail; |
3213 | } | |
9307c4c1 FB |
3214 | if (format < 0) |
3215 | format = default_fmt_format; | |
4c27ba27 FB |
3216 | if (format != 'i') { |
3217 | /* for 'i', not specifying a size gives -1 as size */ | |
3218 | if (size < 0) | |
3219 | size = default_fmt_size; | |
e90f009b | 3220 | default_fmt_size = size; |
4c27ba27 | 3221 | } |
9307c4c1 FB |
3222 | default_fmt_format = format; |
3223 | } else { | |
3224 | count = 1; | |
3225 | format = default_fmt_format; | |
4c27ba27 FB |
3226 | if (format != 'i') { |
3227 | size = default_fmt_size; | |
3228 | } else { | |
3229 | size = -1; | |
3230 | } | |
9307c4c1 | 3231 | } |
46f5ac20 EB |
3232 | qdict_put_int(qdict, "count", count); |
3233 | qdict_put_int(qdict, "format", format); | |
3234 | qdict_put_int(qdict, "size", size); | |
9307c4c1 | 3235 | } |
9dc39cba | 3236 | break; |
9307c4c1 | 3237 | case 'i': |
92a31b1f | 3238 | case 'l': |
b6e098d7 | 3239 | case 'M': |
9307c4c1 | 3240 | { |
c2efc95d | 3241 | int64_t val; |
7743e588 | 3242 | |
cd390083 | 3243 | while (qemu_isspace(*p)) |
9307c4c1 | 3244 | p++; |
3440557b | 3245 | if (*typestr == '?' || *typestr == '.') { |
3440557b | 3246 | if (*typestr == '?') { |
53773581 LC |
3247 | if (*p == '\0') { |
3248 | typestr++; | |
3249 | break; | |
3250 | } | |
3440557b FB |
3251 | } else { |
3252 | if (*p == '.') { | |
3253 | p++; | |
cd390083 | 3254 | while (qemu_isspace(*p)) |
3440557b | 3255 | p++; |
3440557b | 3256 | } else { |
53773581 LC |
3257 | typestr++; |
3258 | break; | |
3440557b FB |
3259 | } |
3260 | } | |
13224a87 | 3261 | typestr++; |
9307c4c1 | 3262 | } |
376253ec | 3263 | if (get_expr(mon, &val, &p)) |
9307c4c1 | 3264 | goto fail; |
675ebef9 LC |
3265 | /* Check if 'i' is greater than 32-bit */ |
3266 | if ((c == 'i') && ((val >> 32) & 0xffffffff)) { | |
ae50212f | 3267 | monitor_printf(mon, "\'%s\' has failed: ", cmd->name); |
675ebef9 LC |
3268 | monitor_printf(mon, "integer is for 32-bit values\n"); |
3269 | goto fail; | |
b6e098d7 | 3270 | } else if (c == 'M') { |
91162849 LC |
3271 | if (val < 0) { |
3272 | monitor_printf(mon, "enter a positive value\n"); | |
3273 | goto fail; | |
3274 | } | |
8ec338ac | 3275 | val *= MiB; |
675ebef9 | 3276 | } |
46f5ac20 | 3277 | qdict_put_int(qdict, key, val); |
9307c4c1 FB |
3278 | } |
3279 | break; | |
dbc0c67f JS |
3280 | case 'o': |
3281 | { | |
f17fd4fd | 3282 | int ret; |
f46bfdbf | 3283 | uint64_t val; |
af02f4c5 | 3284 | const char *end; |
dbc0c67f JS |
3285 | |
3286 | while (qemu_isspace(*p)) { | |
3287 | p++; | |
3288 | } | |
3289 | if (*typestr == '?') { | |
3290 | typestr++; | |
3291 | if (*p == '\0') { | |
3292 | break; | |
3293 | } | |
3294 | } | |
f17fd4fd | 3295 | ret = qemu_strtosz_MiB(p, &end, &val); |
f46bfdbf | 3296 | if (ret < 0 || val > INT64_MAX) { |
dbc0c67f JS |
3297 | monitor_printf(mon, "invalid size\n"); |
3298 | goto fail; | |
3299 | } | |
46f5ac20 | 3300 | qdict_put_int(qdict, key, val); |
dbc0c67f JS |
3301 | p = end; |
3302 | } | |
3303 | break; | |
fccfb11e | 3304 | case 'T': |
3350a4dd MA |
3305 | { |
3306 | double val; | |
3307 | ||
3308 | while (qemu_isspace(*p)) | |
3309 | p++; | |
3310 | if (*typestr == '?') { | |
3311 | typestr++; | |
3312 | if (*p == '\0') { | |
3313 | break; | |
3314 | } | |
3315 | } | |
3316 | if (get_double(mon, &val, &p) < 0) { | |
3317 | goto fail; | |
3318 | } | |
07de3e60 | 3319 | if (p[0] && p[1] == 's') { |
fccfb11e MA |
3320 | switch (*p) { |
3321 | case 'm': | |
3322 | val /= 1e3; p += 2; break; | |
3323 | case 'u': | |
3324 | val /= 1e6; p += 2; break; | |
3325 | case 'n': | |
3326 | val /= 1e9; p += 2; break; | |
3327 | } | |
3328 | } | |
3350a4dd MA |
3329 | if (*p && !qemu_isspace(*p)) { |
3330 | monitor_printf(mon, "Unknown unit suffix\n"); | |
3331 | goto fail; | |
3332 | } | |
01b2ffce | 3333 | qdict_put(qdict, key, qnum_from_double(val)); |
3350a4dd MA |
3334 | } |
3335 | break; | |
942cd1f2 MA |
3336 | case 'b': |
3337 | { | |
3338 | const char *beg; | |
fc48ffc3 | 3339 | bool val; |
942cd1f2 MA |
3340 | |
3341 | while (qemu_isspace(*p)) { | |
3342 | p++; | |
3343 | } | |
3344 | beg = p; | |
3345 | while (qemu_isgraph(*p)) { | |
3346 | p++; | |
3347 | } | |
3348 | if (p - beg == 2 && !memcmp(beg, "on", p - beg)) { | |
fc48ffc3 | 3349 | val = true; |
942cd1f2 | 3350 | } else if (p - beg == 3 && !memcmp(beg, "off", p - beg)) { |
fc48ffc3 | 3351 | val = false; |
942cd1f2 MA |
3352 | } else { |
3353 | monitor_printf(mon, "Expected 'on' or 'off'\n"); | |
3354 | goto fail; | |
3355 | } | |
46f5ac20 | 3356 | qdict_put_bool(qdict, key, val); |
942cd1f2 MA |
3357 | } |
3358 | break; | |
9307c4c1 FB |
3359 | case '-': |
3360 | { | |
fbc3d96c | 3361 | const char *tmp = p; |
eb159d13 | 3362 | int skip_key = 0; |
9307c4c1 | 3363 | /* option */ |
3b46e624 | 3364 | |
9307c4c1 FB |
3365 | c = *typestr++; |
3366 | if (c == '\0') | |
3367 | goto bad_type; | |
cd390083 | 3368 | while (qemu_isspace(*p)) |
9307c4c1 | 3369 | p++; |
9307c4c1 FB |
3370 | if (*p == '-') { |
3371 | p++; | |
fbc3d96c LS |
3372 | if(c != *p) { |
3373 | if(!is_valid_option(p, typestr)) { | |
3374 | ||
3375 | monitor_printf(mon, "%s: unsupported option -%c\n", | |
ae50212f | 3376 | cmd->name, *p); |
fbc3d96c LS |
3377 | goto fail; |
3378 | } else { | |
3379 | skip_key = 1; | |
3380 | } | |
3381 | } | |
3382 | if(skip_key) { | |
3383 | p = tmp; | |
3384 | } else { | |
eb159d13 | 3385 | /* has option */ |
fbc3d96c | 3386 | p++; |
46f5ac20 | 3387 | qdict_put_bool(qdict, key, true); |
9307c4c1 | 3388 | } |
9307c4c1 | 3389 | } |
9307c4c1 FB |
3390 | } |
3391 | break; | |
129be006 WX |
3392 | case 'S': |
3393 | { | |
3394 | /* package all remaining string */ | |
3395 | int len; | |
3396 | ||
3397 | while (qemu_isspace(*p)) { | |
3398 | p++; | |
3399 | } | |
3400 | if (*typestr == '?') { | |
3401 | typestr++; | |
3402 | if (*p == '\0') { | |
3403 | /* no remaining string: NULL argument */ | |
3404 | break; | |
3405 | } | |
3406 | } | |
3407 | len = strlen(p); | |
3408 | if (len <= 0) { | |
3409 | monitor_printf(mon, "%s: string expected\n", | |
ae50212f | 3410 | cmd->name); |
e549d2aa | 3411 | goto fail; |
129be006 | 3412 | } |
46f5ac20 | 3413 | qdict_put_str(qdict, key, p); |
129be006 WX |
3414 | p += len; |
3415 | } | |
3416 | break; | |
9307c4c1 FB |
3417 | default: |
3418 | bad_type: | |
ae50212f | 3419 | monitor_printf(mon, "%s: unknown type '%c'\n", cmd->name, c); |
9307c4c1 FB |
3420 | goto fail; |
3421 | } | |
7267c094 | 3422 | g_free(key); |
4d76d2ba | 3423 | key = NULL; |
9dc39cba | 3424 | } |
9307c4c1 | 3425 | /* check that all arguments were parsed */ |
cd390083 | 3426 | while (qemu_isspace(*p)) |
9307c4c1 FB |
3427 | p++; |
3428 | if (*p != '\0') { | |
376253ec | 3429 | monitor_printf(mon, "%s: extraneous characters at the end of line\n", |
ae50212f | 3430 | cmd->name); |
9307c4c1 | 3431 | goto fail; |
9dc39cba | 3432 | } |
9307c4c1 | 3433 | |
ae50212f | 3434 | return qdict; |
ac7531ec | 3435 | |
55f81d96 | 3436 | fail: |
cb3e7f08 | 3437 | qobject_unref(qdict); |
7267c094 | 3438 | g_free(key); |
55f81d96 LC |
3439 | return NULL; |
3440 | } | |
3441 | ||
7ef6cf63 | 3442 | static void handle_hmp_command(Monitor *mon, const char *cmdline) |
55f81d96 | 3443 | { |
55f81d96 | 3444 | QDict *qdict; |
c227f099 | 3445 | const mon_cmd_t *cmd; |
317c52cc | 3446 | const char *cmd_start = cmdline; |
55f81d96 | 3447 | |
79cad8b4 SH |
3448 | trace_handle_hmp_command(mon, cmdline); |
3449 | ||
250b8197 | 3450 | cmd = monitor_parse_command(mon, cmdline, &cmdline, mon->cmd_table); |
ae50212f BD |
3451 | if (!cmd) { |
3452 | return; | |
3453 | } | |
55f81d96 | 3454 | |
ae50212f BD |
3455 | qdict = monitor_parse_arguments(mon, &cmdline, cmd); |
3456 | if (!qdict) { | |
317c52cc CW |
3457 | while (cmdline > cmd_start && qemu_isspace(cmdline[-1])) { |
3458 | cmdline--; | |
3459 | } | |
3460 | monitor_printf(mon, "Try \"help %.*s\" for more information\n", | |
3461 | (int)(cmdline - cmd_start), cmd_start); | |
ae50212f | 3462 | return; |
55f81d96 LC |
3463 | } |
3464 | ||
2b9e3576 | 3465 | cmd->cmd(mon, qdict); |
cb3e7f08 | 3466 | qobject_unref(qdict); |
9dc39cba FB |
3467 | } |
3468 | ||
cd5c6bba | 3469 | static void cmd_completion(Monitor *mon, const char *name, const char *list) |
81d0912d FB |
3470 | { |
3471 | const char *p, *pstart; | |
3472 | char cmd[128]; | |
3473 | int len; | |
3474 | ||
3475 | p = list; | |
3476 | for(;;) { | |
3477 | pstart = p; | |
5c99fa37 | 3478 | p = qemu_strchrnul(p, '|'); |
81d0912d FB |
3479 | len = p - pstart; |
3480 | if (len > sizeof(cmd) - 2) | |
3481 | len = sizeof(cmd) - 2; | |
3482 | memcpy(cmd, pstart, len); | |
3483 | cmd[len] = '\0'; | |
3484 | if (name[0] == '\0' || !strncmp(name, cmd, strlen(name))) { | |
cd5c6bba | 3485 | readline_add_completion(mon->rs, cmd); |
81d0912d FB |
3486 | } |
3487 | if (*p == '\0') | |
3488 | break; | |
3489 | p++; | |
3490 | } | |
3491 | } | |
3492 | ||
cb8f68b1 | 3493 | static void file_completion(Monitor *mon, const char *input) |
81d0912d FB |
3494 | { |
3495 | DIR *ffs; | |
3496 | struct dirent *d; | |
3497 | char path[1024]; | |
3498 | char file[1024], file_prefix[1024]; | |
3499 | int input_path_len; | |
3500 | const char *p; | |
3501 | ||
5fafdf24 | 3502 | p = strrchr(input, '/'); |
81d0912d FB |
3503 | if (!p) { |
3504 | input_path_len = 0; | |
3505 | pstrcpy(file_prefix, sizeof(file_prefix), input); | |
363a37d5 | 3506 | pstrcpy(path, sizeof(path), "."); |
81d0912d FB |
3507 | } else { |
3508 | input_path_len = p - input + 1; | |
3509 | memcpy(path, input, input_path_len); | |
3510 | if (input_path_len > sizeof(path) - 1) | |
3511 | input_path_len = sizeof(path) - 1; | |
3512 | path[input_path_len] = '\0'; | |
3513 | pstrcpy(file_prefix, sizeof(file_prefix), p + 1); | |
3514 | } | |
19f2db5c | 3515 | |
81d0912d FB |
3516 | ffs = opendir(path); |
3517 | if (!ffs) | |
3518 | return; | |
3519 | for(;;) { | |
3520 | struct stat sb; | |
3521 | d = readdir(ffs); | |
3522 | if (!d) | |
3523 | break; | |
46c7fc18 KK |
3524 | |
3525 | if (strcmp(d->d_name, ".") == 0 || strcmp(d->d_name, "..") == 0) { | |
3526 | continue; | |
3527 | } | |
3528 | ||
81d0912d FB |
3529 | if (strstart(d->d_name, file_prefix, NULL)) { |
3530 | memcpy(file, input, input_path_len); | |
363a37d5 BS |
3531 | if (input_path_len < sizeof(file)) |
3532 | pstrcpy(file + input_path_len, sizeof(file) - input_path_len, | |
3533 | d->d_name); | |
81d0912d FB |
3534 | /* stat the file to find out if it's a directory. |
3535 | * In that case add a slash to speed up typing long paths | |
3536 | */ | |
c951d9a6 | 3537 | if (stat(file, &sb) == 0 && S_ISDIR(sb.st_mode)) { |
363a37d5 | 3538 | pstrcat(file, sizeof(file), "/"); |
c951d9a6 | 3539 | } |
cb8f68b1 | 3540 | readline_add_completion(mon->rs, file); |
81d0912d FB |
3541 | } |
3542 | } | |
3543 | closedir(ffs); | |
3544 | } | |
3545 | ||
4d76d2ba LC |
3546 | static const char *next_arg_type(const char *typestr) |
3547 | { | |
3548 | const char *p = strchr(typestr, ':'); | |
3549 | return (p != NULL ? ++p : typestr); | |
3550 | } | |
3551 | ||
40d19394 HB |
3552 | static void add_completion_option(ReadLineState *rs, const char *str, |
3553 | const char *option) | |
3554 | { | |
3555 | if (!str || !option) { | |
3556 | return; | |
3557 | } | |
3558 | if (!strncmp(option, str, strlen(str))) { | |
3559 | readline_add_completion(rs, option); | |
3560 | } | |
3561 | } | |
3562 | ||
13e315da HB |
3563 | void chardev_add_completion(ReadLineState *rs, int nb_args, const char *str) |
3564 | { | |
3565 | size_t len; | |
3566 | ChardevBackendInfoList *list, *start; | |
3567 | ||
3568 | if (nb_args != 2) { | |
3569 | return; | |
3570 | } | |
3571 | len = strlen(str); | |
3572 | readline_set_completion_index(rs, len); | |
3573 | ||
3574 | start = list = qmp_query_chardev_backends(NULL); | |
3575 | while (list) { | |
3576 | const char *chr_name = list->value->name; | |
3577 | ||
3578 | if (!strncmp(chr_name, str, len)) { | |
3579 | readline_add_completion(rs, chr_name); | |
3580 | } | |
3581 | list = list->next; | |
3582 | } | |
3583 | qapi_free_ChardevBackendInfoList(start); | |
3584 | } | |
3585 | ||
b162b49a HB |
3586 | void netdev_add_completion(ReadLineState *rs, int nb_args, const char *str) |
3587 | { | |
3588 | size_t len; | |
3589 | int i; | |
3590 | ||
3591 | if (nb_args != 2) { | |
3592 | return; | |
3593 | } | |
3594 | len = strlen(str); | |
3595 | readline_set_completion_index(rs, len); | |
1c236ba5 | 3596 | for (i = 0; i < NET_CLIENT_DRIVER__MAX; i++) { |
977c736f | 3597 | add_completion_option(rs, str, NetClientDriver_str(i)); |
b162b49a HB |
3598 | } |
3599 | } | |
3600 | ||
2da1b3ab | 3601 | void device_add_completion(ReadLineState *rs, int nb_args, const char *str) |
992d3e64 HB |
3602 | { |
3603 | GSList *list, *elt; | |
3604 | size_t len; | |
3605 | ||
2da1b3ab HB |
3606 | if (nb_args != 2) { |
3607 | return; | |
3608 | } | |
3609 | ||
992d3e64 HB |
3610 | len = strlen(str); |
3611 | readline_set_completion_index(rs, len); | |
3612 | list = elt = object_class_get_list(TYPE_DEVICE, false); | |
3613 | while (elt) { | |
3614 | const char *name; | |
3615 | DeviceClass *dc = OBJECT_CLASS_CHECK(DeviceClass, elt->data, | |
3616 | TYPE_DEVICE); | |
3617 | name = object_class_get_name(OBJECT_CLASS(dc)); | |
2da1b3ab | 3618 | |
e90f2a8c | 3619 | if (dc->user_creatable |
2da1b3ab | 3620 | && !strncmp(name, str, len)) { |
992d3e64 HB |
3621 | readline_add_completion(rs, name); |
3622 | } | |
3623 | elt = elt->next; | |
3624 | } | |
3625 | g_slist_free(list); | |
3626 | } | |
3627 | ||
bfa40f77 | 3628 | void object_add_completion(ReadLineState *rs, int nb_args, const char *str) |
1094fd3a HB |
3629 | { |
3630 | GSList *list, *elt; | |
3631 | size_t len; | |
3632 | ||
bfa40f77 HB |
3633 | if (nb_args != 2) { |
3634 | return; | |
3635 | } | |
3636 | ||
1094fd3a HB |
3637 | len = strlen(str); |
3638 | readline_set_completion_index(rs, len); | |
3639 | list = elt = object_class_get_list(TYPE_USER_CREATABLE, false); | |
3640 | while (elt) { | |
3641 | const char *name; | |
3642 | ||
3643 | name = object_class_get_name(OBJECT_CLASS(elt->data)); | |
3644 | if (!strncmp(name, str, len) && strcmp(name, TYPE_USER_CREATABLE)) { | |
3645 | readline_add_completion(rs, name); | |
3646 | } | |
3647 | elt = elt->next; | |
3648 | } | |
3649 | g_slist_free(list); | |
3650 | } | |
3651 | ||
6a1fa9f5 ZG |
3652 | static void peripheral_device_del_completion(ReadLineState *rs, |
3653 | const char *str, size_t len) | |
3654 | { | |
4cae4d5a MA |
3655 | Object *peripheral = container_get(qdev_get_machine(), "/peripheral"); |
3656 | GSList *list, *item; | |
6a1fa9f5 | 3657 | |
4cae4d5a MA |
3658 | list = qdev_build_hotpluggable_device_list(peripheral); |
3659 | if (!list) { | |
6a1fa9f5 ZG |
3660 | return; |
3661 | } | |
3662 | ||
6a1fa9f5 ZG |
3663 | for (item = list; item; item = g_slist_next(item)) { |
3664 | DeviceState *dev = item->data; | |
3665 | ||
3666 | if (dev->id && !strncmp(str, dev->id, len)) { | |
3667 | readline_add_completion(rs, dev->id); | |
3668 | } | |
3669 | } | |
3670 | ||
3671 | g_slist_free(list); | |
3672 | } | |
3673 | ||
6297d9a2 HB |
3674 | void chardev_remove_completion(ReadLineState *rs, int nb_args, const char *str) |
3675 | { | |
3676 | size_t len; | |
3677 | ChardevInfoList *list, *start; | |
3678 | ||
3679 | if (nb_args != 2) { | |
3680 | return; | |
3681 | } | |
3682 | len = strlen(str); | |
3683 | readline_set_completion_index(rs, len); | |
3684 | ||
3685 | start = list = qmp_query_chardev(NULL); | |
3686 | while (list) { | |
3687 | ChardevInfo *chr = list->value; | |
3688 | ||
3689 | if (!strncmp(chr->label, str, len)) { | |
3690 | readline_add_completion(rs, chr->label); | |
3691 | } | |
3692 | list = list->next; | |
3693 | } | |
3694 | qapi_free_ChardevInfoList(start); | |
3695 | } | |
3696 | ||
8e597779 HB |
3697 | static void ringbuf_completion(ReadLineState *rs, const char *str) |
3698 | { | |
3699 | size_t len; | |
3700 | ChardevInfoList *list, *start; | |
3701 | ||
3702 | len = strlen(str); | |
3703 | readline_set_completion_index(rs, len); | |
3704 | ||
3705 | start = list = qmp_query_chardev(NULL); | |
3706 | while (list) { | |
3707 | ChardevInfo *chr_info = list->value; | |
3708 | ||
3709 | if (!strncmp(chr_info->label, str, len)) { | |
0ec7b3e7 | 3710 | Chardev *chr = qemu_chr_find(chr_info->label); |
777357d7 | 3711 | if (chr && CHARDEV_IS_RINGBUF(chr)) { |
8e597779 HB |
3712 | readline_add_completion(rs, chr_info->label); |
3713 | } | |
3714 | } | |
3715 | list = list->next; | |
3716 | } | |
3717 | qapi_free_ChardevInfoList(start); | |
3718 | } | |
3719 | ||
8e597779 HB |
3720 | void ringbuf_write_completion(ReadLineState *rs, int nb_args, const char *str) |
3721 | { | |
3722 | if (nb_args != 2) { | |
3723 | return; | |
3724 | } | |
3725 | ringbuf_completion(rs, str); | |
3726 | } | |
3727 | ||
2da1b3ab HB |
3728 | void device_del_completion(ReadLineState *rs, int nb_args, const char *str) |
3729 | { | |
3730 | size_t len; | |
3731 | ||
3732 | if (nb_args != 2) { | |
3733 | return; | |
3734 | } | |
3735 | ||
3736 | len = strlen(str); | |
3737 | readline_set_completion_index(rs, len); | |
6a1fa9f5 | 3738 | peripheral_device_del_completion(rs, str, len); |
2da1b3ab HB |
3739 | } |
3740 | ||
bfa40f77 | 3741 | void object_del_completion(ReadLineState *rs, int nb_args, const char *str) |
b48fa074 HB |
3742 | { |
3743 | ObjectPropertyInfoList *list, *start; | |
3744 | size_t len; | |
3745 | ||
bfa40f77 HB |
3746 | if (nb_args != 2) { |
3747 | return; | |
3748 | } | |
b48fa074 HB |
3749 | len = strlen(str); |
3750 | readline_set_completion_index(rs, len); | |
3751 | ||
3752 | start = list = qmp_qom_list("/objects", NULL); | |
3753 | while (list) { | |
3754 | ObjectPropertyInfo *info = list->value; | |
3755 | ||
3756 | if (!strncmp(info->type, "child<", 5) | |
3757 | && !strncmp(info->name, str, len)) { | |
3758 | readline_add_completion(rs, info->name); | |
3759 | } | |
3760 | list = list->next; | |
3761 | } | |
3762 | qapi_free_ObjectPropertyInfoList(start); | |
3763 | } | |
3764 | ||
29136cd8 HB |
3765 | void sendkey_completion(ReadLineState *rs, int nb_args, const char *str) |
3766 | { | |
3767 | int i; | |
3768 | char *sep; | |
3769 | size_t len; | |
3770 | ||
3771 | if (nb_args != 2) { | |
3772 | return; | |
3773 | } | |
3774 | sep = strrchr(str, '-'); | |
3775 | if (sep) { | |
3776 | str = sep + 1; | |
3777 | } | |
3778 | len = strlen(str); | |
3779 | readline_set_completion_index(rs, len); | |
7fb1cf16 | 3780 | for (i = 0; i < Q_KEY_CODE__MAX; i++) { |
977c736f MA |
3781 | if (!strncmp(str, QKeyCode_str(i), len)) { |
3782 | readline_add_completion(rs, QKeyCode_str(i)); | |
29136cd8 HB |
3783 | } |
3784 | } | |
3785 | } | |
3786 | ||
40d19394 HB |
3787 | void set_link_completion(ReadLineState *rs, int nb_args, const char *str) |
3788 | { | |
3789 | size_t len; | |
3790 | ||
3791 | len = strlen(str); | |
3792 | readline_set_completion_index(rs, len); | |
3793 | if (nb_args == 2) { | |
eaed483c | 3794 | NetClientState *ncs[MAX_QUEUE_NUM]; |
40d19394 HB |
3795 | int count, i; |
3796 | count = qemu_find_net_clients_except(NULL, ncs, | |
f394b2e2 | 3797 | NET_CLIENT_DRIVER_NONE, |
eaed483c | 3798 | MAX_QUEUE_NUM); |
bcfa4d60 | 3799 | for (i = 0; i < MIN(count, MAX_QUEUE_NUM); i++) { |
40d19394 HB |
3800 | const char *name = ncs[i]->name; |
3801 | if (!strncmp(str, name, len)) { | |
3802 | readline_add_completion(rs, name); | |
3803 | } | |
3804 | } | |
3805 | } else if (nb_args == 3) { | |
3806 | add_completion_option(rs, str, "on"); | |
3807 | add_completion_option(rs, str, "off"); | |
3808 | } | |
3809 | } | |
3810 | ||
11b389f2 HB |
3811 | void netdev_del_completion(ReadLineState *rs, int nb_args, const char *str) |
3812 | { | |
3813 | int len, count, i; | |
eaed483c | 3814 | NetClientState *ncs[MAX_QUEUE_NUM]; |
11b389f2 HB |
3815 | |
3816 | if (nb_args != 2) { | |
3817 | return; | |
3818 | } | |
3819 | ||
3820 | len = strlen(str); | |
3821 | readline_set_completion_index(rs, len); | |
f394b2e2 | 3822 | count = qemu_find_net_clients_except(NULL, ncs, NET_CLIENT_DRIVER_NIC, |
eaed483c | 3823 | MAX_QUEUE_NUM); |
bcfa4d60 | 3824 | for (i = 0; i < MIN(count, MAX_QUEUE_NUM); i++) { |
11b389f2 HB |
3825 | QemuOpts *opts; |
3826 | const char *name = ncs[i]->name; | |
3827 | if (strncmp(str, name, len)) { | |
3828 | continue; | |
3829 | } | |
3830 | opts = qemu_opts_find(qemu_find_opts_err("netdev", NULL), name); | |
3831 | if (opts) { | |
3832 | readline_add_completion(rs, name); | |
3833 | } | |
3834 | } | |
3835 | } | |
3836 | ||
bd71211d LV |
3837 | void info_trace_events_completion(ReadLineState *rs, int nb_args, const char *str) |
3838 | { | |
3839 | size_t len; | |
3840 | ||
3841 | len = strlen(str); | |
3842 | readline_set_completion_index(rs, len); | |
3843 | if (nb_args == 2) { | |
0d4e995c DB |
3844 | TraceEventIter iter; |
3845 | TraceEvent *ev; | |
3846 | char *pattern = g_strdup_printf("%s*", str); | |
3847 | trace_event_iter_init(&iter, pattern); | |
3848 | while ((ev = trace_event_iter_next(&iter)) != NULL) { | |
3849 | readline_add_completion(rs, trace_event_get_name(ev)); | |
bd71211d | 3850 | } |
0d4e995c | 3851 | g_free(pattern); |
bd71211d LV |
3852 | } |
3853 | } | |
3854 | ||
987bd270 DDAG |
3855 | void trace_event_completion(ReadLineState *rs, int nb_args, const char *str) |
3856 | { | |
3857 | size_t len; | |
3858 | ||
3859 | len = strlen(str); | |
3860 | readline_set_completion_index(rs, len); | |
3861 | if (nb_args == 2) { | |
0d4e995c DB |
3862 | TraceEventIter iter; |
3863 | TraceEvent *ev; | |
3864 | char *pattern = g_strdup_printf("%s*", str); | |
3865 | trace_event_iter_init(&iter, pattern); | |
3866 | while ((ev = trace_event_iter_next(&iter)) != NULL) { | |
3867 | readline_add_completion(rs, trace_event_get_name(ev)); | |
3868 | } | |
3869 | g_free(pattern); | |
987bd270 DDAG |
3870 | } else if (nb_args == 3) { |
3871 | add_completion_option(rs, str, "on"); | |
3872 | add_completion_option(rs, str, "off"); | |
3873 | } | |
3874 | } | |
3875 | ||
d0ece345 HB |
3876 | void watchdog_action_completion(ReadLineState *rs, int nb_args, const char *str) |
3877 | { | |
4bb08af3 HB |
3878 | int i; |
3879 | ||
d0ece345 HB |
3880 | if (nb_args != 2) { |
3881 | return; | |
3882 | } | |
3883 | readline_set_completion_index(rs, strlen(str)); | |
14d53b4f MP |
3884 | for (i = 0; i < WATCHDOG_ACTION__MAX; i++) { |
3885 | add_completion_option(rs, str, WatchdogAction_str(i)); | |
4bb08af3 | 3886 | } |
d0ece345 HB |
3887 | } |
3888 | ||
c68a0409 HB |
3889 | void migrate_set_capability_completion(ReadLineState *rs, int nb_args, |
3890 | const char *str) | |
3891 | { | |
3892 | size_t len; | |
3893 | ||
3894 | len = strlen(str); | |
3895 | readline_set_completion_index(rs, len); | |
3896 | if (nb_args == 2) { | |
3897 | int i; | |
7fb1cf16 | 3898 | for (i = 0; i < MIGRATION_CAPABILITY__MAX; i++) { |
977c736f | 3899 | const char *name = MigrationCapability_str(i); |
c68a0409 HB |
3900 | if (!strncmp(str, name, len)) { |
3901 | readline_add_completion(rs, name); | |
3902 | } | |
3903 | } | |
3904 | } else if (nb_args == 3) { | |
3905 | add_completion_option(rs, str, "on"); | |
3906 | add_completion_option(rs, str, "off"); | |
3907 | } | |
3908 | } | |
3909 | ||
50e9a629 LL |
3910 | void migrate_set_parameter_completion(ReadLineState *rs, int nb_args, |
3911 | const char *str) | |
3912 | { | |
3913 | size_t len; | |
3914 | ||
3915 | len = strlen(str); | |
3916 | readline_set_completion_index(rs, len); | |
3917 | if (nb_args == 2) { | |
3918 | int i; | |
7fb1cf16 | 3919 | for (i = 0; i < MIGRATION_PARAMETER__MAX; i++) { |
977c736f | 3920 | const char *name = MigrationParameter_str(i); |
50e9a629 LL |
3921 | if (!strncmp(str, name, len)) { |
3922 | readline_add_completion(rs, name); | |
3923 | } | |
3924 | } | |
3925 | } | |
3926 | } | |
3927 | ||
b21631f3 HB |
3928 | static void vm_completion(ReadLineState *rs, const char *str) |
3929 | { | |
3930 | size_t len; | |
7c8eece4 | 3931 | BlockDriverState *bs; |
88be7b4b | 3932 | BdrvNextIterator it; |
b21631f3 HB |
3933 | |
3934 | len = strlen(str); | |
3935 | readline_set_completion_index(rs, len); | |
7c8eece4 | 3936 | |
88be7b4b | 3937 | for (bs = bdrv_first(&it); bs; bs = bdrv_next(&it)) { |
b21631f3 | 3938 | SnapshotInfoList *snapshots, *snapshot; |
6bf1faa8 DL |
3939 | AioContext *ctx = bdrv_get_aio_context(bs); |
3940 | bool ok = false; | |
b21631f3 | 3941 | |
6bf1faa8 DL |
3942 | aio_context_acquire(ctx); |
3943 | if (bdrv_can_snapshot(bs)) { | |
3944 | ok = bdrv_query_snapshot_info_list(bs, &snapshots, NULL) == 0; | |
b21631f3 | 3945 | } |
6bf1faa8 DL |
3946 | aio_context_release(ctx); |
3947 | if (!ok) { | |
b21631f3 HB |
3948 | continue; |
3949 | } | |
6bf1faa8 | 3950 | |
b21631f3 HB |
3951 | snapshot = snapshots; |
3952 | while (snapshot) { | |
3953 | char *completion = snapshot->value->name; | |
3954 | if (!strncmp(str, completion, len)) { | |
3955 | readline_add_completion(rs, completion); | |
3956 | } | |
3957 | completion = snapshot->value->id; | |
3958 | if (!strncmp(str, completion, len)) { | |
3959 | readline_add_completion(rs, completion); | |
3960 | } | |
3961 | snapshot = snapshot->next; | |
3962 | } | |
3963 | qapi_free_SnapshotInfoList(snapshots); | |
3964 | } | |
3965 | ||
3966 | } | |
3967 | ||
3968 | void delvm_completion(ReadLineState *rs, int nb_args, const char *str) | |
3969 | { | |
3970 | if (nb_args == 2) { | |
3971 | vm_completion(rs, str); | |
3972 | } | |
3973 | } | |
3974 | ||
3975 | void loadvm_completion(ReadLineState *rs, int nb_args, const char *str) | |
3976 | { | |
3977 | if (nb_args == 2) { | |
3978 | vm_completion(rs, str); | |
3979 | } | |
3980 | } | |
3981 | ||
c35b6400 WX |
3982 | static void monitor_find_completion_by_table(Monitor *mon, |
3983 | const mon_cmd_t *cmd_table, | |
3984 | char **args, | |
3985 | int nb_args) | |
81d0912d FB |
3986 | { |
3987 | const char *cmdname; | |
c35b6400 | 3988 | int i; |
bf67f1c0 | 3989 | const char *ptype, *old_ptype, *str, *name; |
c227f099 | 3990 | const mon_cmd_t *cmd; |
da27a00e | 3991 | BlockBackend *blk = NULL; |
81d0912d | 3992 | |
81d0912d FB |
3993 | if (nb_args <= 1) { |
3994 | /* command completion */ | |
3995 | if (nb_args == 0) | |
3996 | cmdname = ""; | |
3997 | else | |
3998 | cmdname = args[0]; | |
d2674b2c | 3999 | readline_set_completion_index(mon->rs, strlen(cmdname)); |
c35b6400 | 4000 | for (cmd = cmd_table; cmd->name != NULL; cmd++) { |
6d9f7839 DDAG |
4001 | if (!runstate_check(RUN_STATE_PRECONFIG) || |
4002 | cmd_can_preconfig(cmd)) { | |
4003 | cmd_completion(mon, cmdname, cmd->name); | |
4004 | } | |
81d0912d FB |
4005 | } |
4006 | } else { | |
4007 | /* find the command */ | |
c35b6400 | 4008 | for (cmd = cmd_table; cmd->name != NULL; cmd++) { |
6d9f7839 DDAG |
4009 | if (compare_cmd(args[0], cmd->name) && |
4010 | (!runstate_check(RUN_STATE_PRECONFIG) || | |
4011 | cmd_can_preconfig(cmd))) { | |
03a63484 JK |
4012 | break; |
4013 | } | |
81d0912d | 4014 | } |
03a63484 | 4015 | if (!cmd->name) { |
c35b6400 | 4016 | return; |
03a63484 JK |
4017 | } |
4018 | ||
d903a779 WX |
4019 | if (cmd->sub_table) { |
4020 | /* do the job again */ | |
e7ae771f SW |
4021 | monitor_find_completion_by_table(mon, cmd->sub_table, |
4022 | &args[1], nb_args - 1); | |
4023 | return; | |
d903a779 | 4024 | } |
bfa40f77 | 4025 | if (cmd->command_completion) { |
e7ae771f SW |
4026 | cmd->command_completion(mon->rs, nb_args, args[nb_args - 1]); |
4027 | return; | |
bfa40f77 | 4028 | } |
d903a779 | 4029 | |
4d76d2ba | 4030 | ptype = next_arg_type(cmd->args_type); |
81d0912d FB |
4031 | for(i = 0; i < nb_args - 2; i++) { |
4032 | if (*ptype != '\0') { | |
4d76d2ba | 4033 | ptype = next_arg_type(ptype); |
81d0912d | 4034 | while (*ptype == '?') |
4d76d2ba | 4035 | ptype = next_arg_type(ptype); |
81d0912d FB |
4036 | } |
4037 | } | |
4038 | str = args[nb_args - 1]; | |
bf67f1c0 DDAG |
4039 | old_ptype = NULL; |
4040 | while (*ptype == '-' && old_ptype != ptype) { | |
4041 | old_ptype = ptype; | |
3b6dbf27 | 4042 | ptype = next_arg_type(ptype); |
2a1704a7 | 4043 | } |
81d0912d FB |
4044 | switch(*ptype) { |
4045 | case 'F': | |
4046 | /* file completion */ | |
d2674b2c | 4047 | readline_set_completion_index(mon->rs, strlen(str)); |
cb8f68b1 | 4048 | file_completion(mon, str); |
81d0912d FB |
4049 | break; |
4050 | case 'B': | |
4051 | /* block device name completion */ | |
599a926a | 4052 | readline_set_completion_index(mon->rs, strlen(str)); |
da27a00e HR |
4053 | while ((blk = blk_next(blk)) != NULL) { |
4054 | name = blk_name(blk); | |
fea68bb6 MA |
4055 | if (str[0] == '\0' || |
4056 | !strncmp(name, str, strlen(str))) { | |
4057 | readline_add_completion(mon->rs, name); | |
4058 | } | |
4059 | } | |
81d0912d | 4060 | break; |
7fe48483 | 4061 | case 's': |
129be006 | 4062 | case 'S': |
29136cd8 | 4063 | if (!strcmp(cmd->name, "help|?")) { |
7ca0e061 WX |
4064 | monitor_find_completion_by_table(mon, cmd_table, |
4065 | &args[1], nb_args - 1); | |
7fe48483 FB |
4066 | } |
4067 | break; | |
81d0912d FB |
4068 | default: |
4069 | break; | |
4070 | } | |
4071 | } | |
c35b6400 WX |
4072 | } |
4073 | ||
c60bf339 | 4074 | static void monitor_find_completion(void *opaque, |
c35b6400 WX |
4075 | const char *cmdline) |
4076 | { | |
c60bf339 | 4077 | Monitor *mon = opaque; |
c35b6400 WX |
4078 | char *args[MAX_ARGS]; |
4079 | int nb_args, len; | |
4080 | ||
4081 | /* 1. parse the cmdline */ | |
4082 | if (parse_cmdline(cmdline, &nb_args, args) < 0) { | |
4083 | return; | |
4084 | } | |
c35b6400 WX |
4085 | |
4086 | /* if the line ends with a space, it means we want to complete the | |
4087 | next arg */ | |
4088 | len = strlen(cmdline); | |
4089 | if (len > 0 && qemu_isspace(cmdline[len - 1])) { | |
4090 | if (nb_args >= MAX_ARGS) { | |
4091 | goto cleanup; | |
4092 | } | |
4093 | args[nb_args++] = g_strdup(""); | |
4094 | } | |
4095 | ||
4096 | /* 2. auto complete according to args */ | |
4097 | monitor_find_completion_by_table(mon, mon->cmd_table, args, nb_args); | |
03a63484 JK |
4098 | |
4099 | cleanup: | |
dcc70cdf | 4100 | free_cmdline_args(args, nb_args); |
81d0912d FB |
4101 | } |
4102 | ||
731b0364 | 4103 | static int monitor_can_read(void *opaque) |
9dc39cba | 4104 | { |
731b0364 AL |
4105 | Monitor *mon = opaque; |
4106 | ||
df152fb9 | 4107 | return !atomic_mb_read(&mon->suspend_cnt); |
9dc39cba FB |
4108 | } |
4109 | ||
546aa566 | 4110 | /* |
7cb2123f MA |
4111 | * Emit QMP response @rsp with ID @id to @mon. |
4112 | * Null @rsp can only happen for commands with QCO_NO_SUCCESS_RESP. | |
4113 | * Nothing is emitted then. | |
546aa566 | 4114 | */ |
4eaca8de | 4115 | static void monitor_qmp_respond(Monitor *mon, QDict *rsp) |
546aa566 | 4116 | { |
546aa566 | 4117 | if (rsp) { |
27656018 | 4118 | qmp_send_response(mon, rsp); |
546aa566 | 4119 | } |
546aa566 PX |
4120 | } |
4121 | ||
4eaca8de | 4122 | static void monitor_qmp_dispatch(Monitor *mon, QObject *req) |
5fa737a4 | 4123 | { |
b2731456 | 4124 | Monitor *old_mon; |
d43b1694 | 4125 | QDict *rsp; |
69240fe6 | 4126 | QDict *error; |
b097efc0 | 4127 | |
227a0755 PX |
4128 | old_mon = cur_mon; |
4129 | cur_mon = mon; | |
4130 | ||
674ed722 | 4131 | rsp = qmp_dispatch(mon->qmp.commands, req, qmp_oob_enabled(mon)); |
5fa737a4 | 4132 | |
227a0755 PX |
4133 | cur_mon = old_mon; |
4134 | ||
69240fe6 | 4135 | if (mon->qmp.commands == &qmp_cap_negotiation_commands) { |
d43b1694 | 4136 | error = qdict_get_qdict(rsp, "error"); |
69240fe6 MA |
4137 | if (error |
4138 | && !g_strcmp0(qdict_get_try_str(error, "class"), | |
4139 | QapiErrorClass_str(ERROR_CLASS_COMMAND_NOT_FOUND))) { | |
4140 | /* Provide a more useful error message */ | |
4141 | qdict_del(error, "desc"); | |
4142 | qdict_put_str(error, "desc", "Expecting capabilities negotiation" | |
4143 | " with 'qmp_capabilities'"); | |
4144 | } | |
71da4667 | 4145 | } |
5fa737a4 | 4146 | |
4eaca8de | 4147 | monitor_qmp_respond(mon, rsp); |
7cb2123f | 4148 | qobject_unref(rsp); |
5fa737a4 LC |
4149 | } |
4150 | ||
71da4667 | 4151 | /* |
774a6b67 MA |
4152 | * Pop a QMP request from a monitor request queue. |
4153 | * Return the request, or NULL all request queues are empty. | |
71da4667 PX |
4154 | * We are using round-robin fashion to pop the request, to avoid |
4155 | * processing commands only on a very busy monitor. To achieve that, | |
4156 | * when we process one request on a specific monitor, we put that | |
4157 | * monitor to the end of mon_list queue. | |
9ab84470 PX |
4158 | * |
4159 | * Note: if the function returned with non-NULL, then the caller will | |
4160 | * be with mon->qmp.qmp_queue_lock held, and the caller is responsible | |
4161 | * to release it. | |
71da4667 | 4162 | */ |
9ab84470 | 4163 | static QMPRequest *monitor_qmp_requests_pop_any_with_lock(void) |
71da4667 PX |
4164 | { |
4165 | QMPRequest *req_obj = NULL; | |
4166 | Monitor *mon; | |
4167 | ||
4168 | qemu_mutex_lock(&monitor_lock); | |
4169 | ||
4170 | QTAILQ_FOREACH(mon, &mon_list, entry) { | |
4171 | qemu_mutex_lock(&mon->qmp.qmp_queue_lock); | |
4172 | req_obj = g_queue_pop_head(mon->qmp.qmp_requests); | |
71da4667 | 4173 | if (req_obj) { |
9ab84470 | 4174 | /* With the lock of corresponding queue held */ |
71da4667 PX |
4175 | break; |
4176 | } | |
9ab84470 | 4177 | qemu_mutex_unlock(&mon->qmp.qmp_queue_lock); |
71da4667 PX |
4178 | } |
4179 | ||
4180 | if (req_obj) { | |
4181 | /* | |
4182 | * We found one request on the monitor. Degrade this monitor's | |
4183 | * priority to lowest by re-inserting it to end of queue. | |
4184 | */ | |
4185 | QTAILQ_REMOVE(&mon_list, mon, entry); | |
4186 | QTAILQ_INSERT_TAIL(&mon_list, mon, entry); | |
4187 | } | |
4188 | ||
4189 | qemu_mutex_unlock(&monitor_lock); | |
4190 | ||
4191 | return req_obj; | |
4192 | } | |
4193 | ||
4194 | static void monitor_qmp_bh_dispatcher(void *data) | |
4195 | { | |
9ab84470 | 4196 | QMPRequest *req_obj = monitor_qmp_requests_pop_any_with_lock(); |
7cb2123f | 4197 | QDict *rsp; |
176160ce | 4198 | bool need_resume; |
9ab84470 | 4199 | Monitor *mon; |
71da4667 | 4200 | |
b2731456 MA |
4201 | if (!req_obj) { |
4202 | return; | |
71da4667 | 4203 | } |
b2731456 | 4204 | |
9ab84470 | 4205 | mon = req_obj->mon; |
176160ce | 4206 | /* qmp_oob_enabled() might change after "qmp_capabilities" */ |
9ab84470 PX |
4207 | need_resume = !qmp_oob_enabled(mon) || |
4208 | mon->qmp.qmp_requests->length == QMP_REQ_QUEUE_LEN_MAX - 1; | |
4209 | qemu_mutex_unlock(&mon->qmp.qmp_queue_lock); | |
1cc37471 | 4210 | if (req_obj->req) { |
4eaca8de MAL |
4211 | QDict *qdict = qobject_to(QDict, req_obj->req); |
4212 | QObject *id = qdict ? qdict_get(qdict, "id") : NULL; | |
4213 | trace_monitor_qmp_cmd_in_band(qobject_get_try_str(id) ?: ""); | |
4214 | monitor_qmp_dispatch(mon, req_obj->req); | |
1cc37471 MA |
4215 | } else { |
4216 | assert(req_obj->err); | |
7cb2123f | 4217 | rsp = qmp_error_response(req_obj->err); |
42eab8db | 4218 | req_obj->err = NULL; |
4eaca8de | 4219 | monitor_qmp_respond(mon, rsp); |
7cb2123f | 4220 | qobject_unref(rsp); |
1cc37471 MA |
4221 | } |
4222 | ||
176160ce | 4223 | if (need_resume) { |
b2731456 | 4224 | /* Pairs with the monitor_suspend() in handle_qmp_command() */ |
9ab84470 | 4225 | monitor_resume(mon); |
71da4667 | 4226 | } |
b2731456 MA |
4227 | qmp_request_free(req_obj); |
4228 | ||
4229 | /* Reschedule instead of looping so the main loop stays responsive */ | |
cab5ad86 | 4230 | qemu_bh_schedule(qmp_dispatcher_bh); |
71da4667 PX |
4231 | } |
4232 | ||
62815d85 | 4233 | static void handle_qmp_command(void *opaque, QObject *req, Error *err) |
71da4667 | 4234 | { |
62815d85 MA |
4235 | Monitor *mon = opaque; |
4236 | QObject *id = NULL; | |
0fa39d0b | 4237 | QDict *qdict; |
71da4667 PX |
4238 | QMPRequest *req_obj; |
4239 | ||
84a56f38 | 4240 | assert(!req != !err); |
cf869d53 | 4241 | |
0fa39d0b MA |
4242 | qdict = qobject_to(QDict, req); |
4243 | if (qdict) { | |
4eaca8de | 4244 | id = qdict_get(qdict, "id"); |
0fa39d0b | 4245 | } /* else will fail qmp_dispatch() */ |
71da4667 | 4246 | |
8720e63e | 4247 | if (req && trace_event_get_state_backends(TRACE_HANDLE_QMP_COMMAND)) { |
45434ba4 MA |
4248 | QString *req_json = qobject_to_json(req); |
4249 | trace_handle_qmp_command(mon, qstring_get_str(req_json)); | |
4250 | qobject_unref(req_json); | |
cf869d53 PX |
4251 | } |
4252 | ||
69240fe6 | 4253 | if (qdict && qmp_is_oob(qdict)) { |
774a6b67 | 4254 | /* OOB commands are executed immediately */ |
4eaca8de MAL |
4255 | trace_monitor_qmp_cmd_out_of_band(qobject_get_try_str(id) ?: ""); |
4256 | monitor_qmp_dispatch(mon, req); | |
cb9ec42f | 4257 | qobject_unref(req); |
cf869d53 | 4258 | return; |
cf869d53 PX |
4259 | } |
4260 | ||
71da4667 PX |
4261 | req_obj = g_new0(QMPRequest, 1); |
4262 | req_obj->mon = mon; | |
71da4667 | 4263 | req_obj->req = req; |
1cc37471 | 4264 | req_obj->err = err; |
71da4667 | 4265 | |
bf1e7301 PX |
4266 | /* Protect qmp_requests and fetching its length. */ |
4267 | qemu_mutex_lock(&mon->qmp.qmp_queue_lock); | |
4268 | ||
71da4667 | 4269 | /* |
9ab84470 PX |
4270 | * Suspend the monitor when we can't queue more requests after |
4271 | * this one. Dequeuing in monitor_qmp_bh_dispatcher() will resume | |
4272 | * it. Note that when OOB is disabled, we queue at most one | |
4273 | * command, for backward compatibility. | |
71da4667 | 4274 | */ |
9ab84470 PX |
4275 | if (!qmp_oob_enabled(mon) || |
4276 | mon->qmp.qmp_requests->length == QMP_REQ_QUEUE_LEN_MAX - 1) { | |
71da4667 | 4277 | monitor_suspend(mon); |
71da4667 PX |
4278 | } |
4279 | ||
4280 | /* | |
4281 | * Put the request to the end of queue so that requests will be | |
4eaca8de | 4282 | * handled in time order. Ownership for req_obj, req, |
71da4667 PX |
4283 | * etc. will be delivered to the handler side. |
4284 | */ | |
9ab84470 | 4285 | assert(mon->qmp.qmp_requests->length < QMP_REQ_QUEUE_LEN_MAX); |
71da4667 PX |
4286 | g_queue_push_tail(mon->qmp.qmp_requests, req_obj); |
4287 | qemu_mutex_unlock(&mon->qmp.qmp_queue_lock); | |
4288 | ||
4289 | /* Kick the dispatcher routine */ | |
cab5ad86 | 4290 | qemu_bh_schedule(qmp_dispatcher_bh); |
71da4667 PX |
4291 | } |
4292 | ||
c83fe23b | 4293 | static void monitor_qmp_read(void *opaque, const uint8_t *buf, int size) |
9b57c02e | 4294 | { |
227a0755 | 4295 | Monitor *mon = opaque; |
9b57c02e | 4296 | |
227a0755 | 4297 | json_message_parser_feed(&mon->qmp.parser, (const char *) buf, size); |
9b57c02e LC |
4298 | } |
4299 | ||
731b0364 | 4300 | static void monitor_read(void *opaque, const uint8_t *buf, int size) |
9dc39cba | 4301 | { |
731b0364 | 4302 | Monitor *old_mon = cur_mon; |
7e2515e8 | 4303 | int i; |
376253ec | 4304 | |
731b0364 AL |
4305 | cur_mon = opaque; |
4306 | ||
cde76ee1 AL |
4307 | if (cur_mon->rs) { |
4308 | for (i = 0; i < size; i++) | |
4309 | readline_handle_byte(cur_mon->rs, buf[i]); | |
4310 | } else { | |
4311 | if (size == 0 || buf[size - 1] != 0) | |
4312 | monitor_printf(cur_mon, "corrupted command\n"); | |
4313 | else | |
7ef6cf63 | 4314 | handle_hmp_command(cur_mon, (char *)buf); |
cde76ee1 | 4315 | } |
9dc39cba | 4316 | |
731b0364 AL |
4317 | cur_mon = old_mon; |
4318 | } | |
d8f44609 | 4319 | |
c60bf339 SH |
4320 | static void monitor_command_cb(void *opaque, const char *cmdline, |
4321 | void *readline_opaque) | |
aa455485 | 4322 | { |
c60bf339 SH |
4323 | Monitor *mon = opaque; |
4324 | ||
731b0364 | 4325 | monitor_suspend(mon); |
7ef6cf63 | 4326 | handle_hmp_command(mon, cmdline); |
731b0364 | 4327 | monitor_resume(mon); |
d8f44609 AL |
4328 | } |
4329 | ||
cde76ee1 | 4330 | int monitor_suspend(Monitor *mon) |
d8f44609 | 4331 | { |
e3e977d4 | 4332 | if (monitor_is_hmp_non_interactive(mon)) { |
cde76ee1 | 4333 | return -ENOTTY; |
e3e977d4 PX |
4334 | } |
4335 | ||
df152fb9 | 4336 | atomic_inc(&mon->suspend_cnt); |
e3e977d4 | 4337 | |
ef12a703 | 4338 | if (mon->use_io_thread) { |
e3e977d4 | 4339 | /* |
c5f57ed0 | 4340 | * Kick I/O thread to make sure this takes effect. It'll be |
e3e977d4 PX |
4341 | * evaluated again in prepare() of the watch object. |
4342 | */ | |
cab5ad86 | 4343 | aio_notify(iothread_get_aio_context(mon_iothread)); |
e3e977d4 PX |
4344 | } |
4345 | ||
4346 | trace_monitor_suspend(mon, 1); | |
cde76ee1 | 4347 | return 0; |
d8f44609 AL |
4348 | } |
4349 | ||
ef12a703 MAL |
4350 | static void monitor_accept_input(void *opaque) |
4351 | { | |
4352 | Monitor *mon = opaque; | |
4353 | ||
4354 | qemu_chr_fe_accept_input(&mon->chr); | |
4355 | } | |
4356 | ||
376253ec | 4357 | void monitor_resume(Monitor *mon) |
d8f44609 | 4358 | { |
e3e977d4 | 4359 | if (monitor_is_hmp_non_interactive(mon)) { |
cde76ee1 | 4360 | return; |
e3e977d4 PX |
4361 | } |
4362 | ||
df152fb9 | 4363 | if (atomic_dec_fetch(&mon->suspend_cnt) == 0) { |
ef12a703 MAL |
4364 | AioContext *ctx; |
4365 | ||
4366 | if (mon->use_io_thread) { | |
4367 | ctx = iothread_get_aio_context(mon_iothread); | |
e3e977d4 | 4368 | } else { |
ef12a703 MAL |
4369 | ctx = qemu_get_aio_context(); |
4370 | } | |
4371 | ||
4372 | if (!monitor_is_qmp(mon)) { | |
e3e977d4 PX |
4373 | assert(mon->rs); |
4374 | readline_show_prompt(mon->rs); | |
4375 | } | |
ef12a703 MAL |
4376 | |
4377 | aio_bh_schedule_oneshot(ctx, monitor_accept_input, mon); | |
df152fb9 | 4378 | } |
ef12a703 | 4379 | |
e3e977d4 | 4380 | trace_monitor_suspend(mon, -1); |
aa455485 FB |
4381 | } |
4382 | ||
1816604b | 4383 | static QDict *qmp_greeting(Monitor *mon) |
ca9567e2 | 4384 | { |
02130314 | 4385 | QList *cap_list = qlist_new(); |
b9c15f16 | 4386 | QObject *ver = NULL; |
02130314 | 4387 | QMPCapability cap; |
ca9567e2 | 4388 | |
7fad30f0 | 4389 | qmp_marshal_query_version(NULL, &ver, NULL); |
c823501e | 4390 | |
02130314 | 4391 | for (cap = 0; cap < QMP_CAPABILITY__MAX; cap++) { |
279f9e08 MA |
4392 | if (mon->qmp.capab_offered[cap]) { |
4393 | qlist_append_str(cap_list, QMPCapability_str(cap)); | |
02130314 | 4394 | } |
02130314 PX |
4395 | } |
4396 | ||
1816604b MA |
4397 | return qdict_from_jsonf_nofail( |
4398 | "{'QMP': {'version': %p, 'capabilities': %p}}", | |
4399 | ver, cap_list); | |
ca9567e2 LC |
4400 | } |
4401 | ||
c83fe23b | 4402 | static void monitor_qmp_event(void *opaque, int event) |
9b57c02e | 4403 | { |
1816604b | 4404 | QDict *data; |
47116d1c | 4405 | Monitor *mon = opaque; |
9b57c02e | 4406 | |
47116d1c LC |
4407 | switch (event) { |
4408 | case CHR_EVENT_OPENED: | |
635db18f | 4409 | mon->qmp.commands = &qmp_cap_negotiation_commands; |
02130314 | 4410 | monitor_qmp_caps_reset(mon); |
1816604b | 4411 | data = qmp_greeting(mon); |
27656018 | 4412 | qmp_send_response(mon, data); |
cb3e7f08 | 4413 | qobject_unref(data); |
efb87c16 | 4414 | mon_refcount++; |
47116d1c LC |
4415 | break; |
4416 | case CHR_EVENT_CLOSED: | |
c73a843b PX |
4417 | /* |
4418 | * Note: this is only useful when the output of the chardev | |
4419 | * backend is still open. For example, when the backend is | |
4420 | * stdio, it's possible that stdout is still open when stdin | |
4421 | * is closed. | |
4422 | */ | |
6d2d563f | 4423 | monitor_qmp_cleanup_queues(mon); |
74358f2a | 4424 | json_message_parser_destroy(&mon->qmp.parser); |
62815d85 MA |
4425 | json_message_parser_init(&mon->qmp.parser, handle_qmp_command, |
4426 | mon, NULL); | |
efb87c16 CB |
4427 | mon_refcount--; |
4428 | monitor_fdsets_cleanup(); | |
47116d1c | 4429 | break; |
9b57c02e LC |
4430 | } |
4431 | } | |
4432 | ||
731b0364 | 4433 | static void monitor_event(void *opaque, int event) |
86e94dea | 4434 | { |
376253ec AL |
4435 | Monitor *mon = opaque; |
4436 | ||
2724b180 AL |
4437 | switch (event) { |
4438 | case CHR_EVENT_MUX_IN: | |
dc7cbcd8 | 4439 | qemu_mutex_lock(&mon->mon_lock); |
a7aec5da | 4440 | mon->mux_out = 0; |
dc7cbcd8 | 4441 | qemu_mutex_unlock(&mon->mon_lock); |
a7aec5da GH |
4442 | if (mon->reset_seen) { |
4443 | readline_restart(mon->rs); | |
4444 | monitor_resume(mon); | |
4445 | monitor_flush(mon); | |
4446 | } else { | |
df152fb9 | 4447 | atomic_mb_set(&mon->suspend_cnt, 0); |
a7aec5da | 4448 | } |
2724b180 AL |
4449 | break; |
4450 | ||
4451 | case CHR_EVENT_MUX_OUT: | |
a7aec5da | 4452 | if (mon->reset_seen) { |
df152fb9 | 4453 | if (atomic_mb_read(&mon->suspend_cnt) == 0) { |
a7aec5da GH |
4454 | monitor_printf(mon, "\n"); |
4455 | } | |
4456 | monitor_flush(mon); | |
4457 | monitor_suspend(mon); | |
4458 | } else { | |
df152fb9 | 4459 | atomic_inc(&mon->suspend_cnt); |
a7aec5da | 4460 | } |
dc7cbcd8 | 4461 | qemu_mutex_lock(&mon->mon_lock); |
a7aec5da | 4462 | mon->mux_out = 1; |
dc7cbcd8 | 4463 | qemu_mutex_unlock(&mon->mon_lock); |
2724b180 | 4464 | break; |
86e94dea | 4465 | |
b6b8df56 | 4466 | case CHR_EVENT_OPENED: |
2724b180 AL |
4467 | monitor_printf(mon, "QEMU %s monitor - type 'help' for more " |
4468 | "information\n", QEMU_VERSION); | |
a7aec5da | 4469 | if (!mon->mux_out) { |
e5554e20 | 4470 | readline_restart(mon->rs); |
2724b180 | 4471 | readline_show_prompt(mon->rs); |
a7aec5da GH |
4472 | } |
4473 | mon->reset_seen = 1; | |
efb87c16 CB |
4474 | mon_refcount++; |
4475 | break; | |
4476 | ||
4477 | case CHR_EVENT_CLOSED: | |
4478 | mon_refcount--; | |
4479 | monitor_fdsets_cleanup(); | |
2724b180 AL |
4480 | break; |
4481 | } | |
86e94dea TS |
4482 | } |
4483 | ||
816f8925 WX |
4484 | static int |
4485 | compare_mon_cmd(const void *a, const void *b) | |
4486 | { | |
4487 | return strcmp(((const mon_cmd_t *)a)->name, | |
4488 | ((const mon_cmd_t *)b)->name); | |
4489 | } | |
4490 | ||
4491 | static void sortcmdlist(void) | |
4492 | { | |
4493 | int array_num; | |
4494 | int elem_size = sizeof(mon_cmd_t); | |
4495 | ||
4496 | array_num = sizeof(mon_cmds)/elem_size-1; | |
4497 | qsort((void *)mon_cmds, array_num, elem_size, compare_mon_cmd); | |
4498 | ||
4499 | array_num = sizeof(info_cmds)/elem_size-1; | |
4500 | qsort((void *)info_cmds, array_num, elem_size, compare_mon_cmd); | |
4501 | } | |
4502 | ||
a5ed3525 PX |
4503 | static void monitor_iothread_init(void) |
4504 | { | |
cab5ad86 | 4505 | mon_iothread = iothread_create("mon_iothread", &error_abort); |
a5ed3525 PX |
4506 | } |
4507 | ||
6adf08dd PX |
4508 | void monitor_init_globals(void) |
4509 | { | |
4510 | monitor_init_qmp_commands(); | |
4511 | monitor_qapi_event_init(); | |
4512 | sortcmdlist(); | |
4513 | qemu_mutex_init(&monitor_lock); | |
47451466 | 4514 | qemu_mutex_init(&mon_fdsets_lock); |
85117701 WB |
4515 | |
4516 | /* | |
4517 | * The dispatcher BH must run in the main loop thread, since we | |
4518 | * have commands assuming that context. It would be nice to get | |
4519 | * rid of those assumptions. | |
4520 | */ | |
4521 | qmp_dispatcher_bh = aio_bh_new(iohandler_get_aio_context(), | |
4522 | monitor_qmp_bh_dispatcher, | |
4523 | NULL); | |
6adf08dd PX |
4524 | } |
4525 | ||
c60bf339 SH |
4526 | /* These functions just adapt the readline interface in a typesafe way. We |
4527 | * could cast function pointers but that discards compiler checks. | |
4528 | */ | |
d5d1507b SW |
4529 | static void GCC_FMT_ATTR(2, 3) monitor_readline_printf(void *opaque, |
4530 | const char *fmt, ...) | |
c60bf339 SH |
4531 | { |
4532 | va_list ap; | |
4533 | va_start(ap, fmt); | |
4534 | monitor_vprintf(opaque, fmt, ap); | |
4535 | va_end(ap); | |
4536 | } | |
4537 | ||
4538 | static void monitor_readline_flush(void *opaque) | |
4539 | { | |
4540 | monitor_flush(opaque); | |
4541 | } | |
4542 | ||
397d30e9 | 4543 | /* |
8acb2a75 | 4544 | * Print to current monitor if we have one, else to stderr. |
397d30e9 | 4545 | */ |
8acb2a75 | 4546 | int error_vprintf(const char *fmt, va_list ap) |
397d30e9 PB |
4547 | { |
4548 | if (cur_mon && !monitor_cur_is_qmp()) { | |
679cb8e1 | 4549 | return monitor_vprintf(cur_mon, fmt, ap); |
397d30e9 | 4550 | } |
8acb2a75 | 4551 | return vfprintf(stderr, fmt, ap); |
a95db58f MAL |
4552 | } |
4553 | ||
679cb8e1 | 4554 | int error_vprintf_unless_qmp(const char *fmt, va_list ap) |
397d30e9 | 4555 | { |
679cb8e1 MA |
4556 | if (!cur_mon) { |
4557 | return vfprintf(stderr, fmt, ap); | |
397d30e9 | 4558 | } |
679cb8e1 MA |
4559 | if (!monitor_cur_is_qmp()) { |
4560 | return monitor_vprintf(cur_mon, fmt, ap); | |
4561 | } | |
4562 | return -1; | |
397d30e9 PB |
4563 | } |
4564 | ||
a5ed3525 PX |
4565 | static void monitor_list_append(Monitor *mon) |
4566 | { | |
4567 | qemu_mutex_lock(&monitor_lock); | |
8dac00bb MAL |
4568 | /* |
4569 | * This prevents inserting new monitors during monitor_cleanup(). | |
4570 | * A cleaner solution would involve the main thread telling other | |
4571 | * threads to terminate, waiting for their termination. | |
4572 | */ | |
4573 | if (!monitor_destroyed) { | |
4574 | QTAILQ_INSERT_HEAD(&mon_list, mon, entry); | |
4575 | mon = NULL; | |
4576 | } | |
a5ed3525 | 4577 | qemu_mutex_unlock(&monitor_lock); |
8dac00bb MAL |
4578 | |
4579 | if (mon) { | |
4580 | monitor_data_destroy(mon); | |
4581 | g_free(mon); | |
4582 | } | |
a5ed3525 PX |
4583 | } |
4584 | ||
4585 | static void monitor_qmp_setup_handlers_bh(void *opaque) | |
4586 | { | |
4587 | Monitor *mon = opaque; | |
4588 | GMainContext *context; | |
4589 | ||
3d7a1c44 | 4590 | assert(mon->use_io_thread); |
88e40e43 | 4591 | context = iothread_get_g_main_context(mon_iothread); |
3d7a1c44 | 4592 | assert(context); |
a5ed3525 PX |
4593 | qemu_chr_fe_set_handlers(&mon->chr, monitor_can_read, monitor_qmp_read, |
4594 | monitor_qmp_event, NULL, mon, context, true); | |
4595 | monitor_list_append(mon); | |
4596 | } | |
4597 | ||
0ec7b3e7 | 4598 | void monitor_init(Chardev *chr, int flags) |
aa455485 | 4599 | { |
6adf08dd | 4600 | Monitor *mon = g_malloc(sizeof(*mon)); |
be933ffc | 4601 | bool use_readline = flags & MONITOR_USE_READLINE; |
87127161 | 4602 | |
8258292e PX |
4603 | /* Note: we run QMP monitor in I/O thread when @chr supports that */ |
4604 | monitor_data_init(mon, false, | |
4605 | (flags & MONITOR_USE_CONTROL) | |
4606 | && qemu_chr_has_feature(chr, | |
4607 | QEMU_CHAR_FEATURE_GCONTEXT)); | |
20d8a3ed | 4608 | |
32a6ebec | 4609 | qemu_chr_fe_init(&mon->chr, chr, &error_abort); |
731b0364 | 4610 | mon->flags = flags; |
be933ffc | 4611 | if (use_readline) { |
c60bf339 SH |
4612 | mon->rs = readline_init(monitor_readline_printf, |
4613 | monitor_readline_flush, | |
4614 | mon, | |
4615 | monitor_find_completion); | |
cde76ee1 AL |
4616 | monitor_read_command(mon, 0); |
4617 | } | |
87127161 | 4618 | |
9f3982f2 | 4619 | if (monitor_is_qmp(mon)) { |
5345fdb4 | 4620 | qemu_chr_fe_set_echo(&mon->chr, true); |
62815d85 MA |
4621 | json_message_parser_init(&mon->qmp.parser, handle_qmp_command, |
4622 | mon, NULL); | |
f91dc2a0 | 4623 | if (mon->use_io_thread) { |
a5ed3525 PX |
4624 | /* |
4625 | * Make sure the old iowatch is gone. It's possible when | |
4626 | * e.g. the chardev is in client mode, with wait=on. | |
4627 | */ | |
4628 | remove_fd_in_watch(chr); | |
4629 | /* | |
4630 | * We can't call qemu_chr_fe_set_handlers() directly here | |
774a6b67 MA |
4631 | * since chardev might be running in the monitor I/O |
4632 | * thread. Schedule a bottom half. | |
a5ed3525 | 4633 | */ |
88e40e43 | 4634 | aio_bh_schedule_oneshot(iothread_get_aio_context(mon_iothread), |
a5ed3525 | 4635 | monitor_qmp_setup_handlers_bh, mon); |
774a6b67 | 4636 | /* The bottom half will add @mon to @mon_list */ |
a5ed3525 PX |
4637 | return; |
4638 | } else { | |
4639 | qemu_chr_fe_set_handlers(&mon->chr, monitor_can_read, | |
4640 | monitor_qmp_read, monitor_qmp_event, | |
4641 | NULL, mon, NULL, true); | |
4642 | } | |
9b57c02e | 4643 | } else { |
5345fdb4 | 4644 | qemu_chr_fe_set_handlers(&mon->chr, monitor_can_read, monitor_read, |
81517ba3 | 4645 | monitor_event, NULL, mon, NULL, true); |
9b57c02e | 4646 | } |
87127161 | 4647 | |
a5ed3525 | 4648 | monitor_list_append(mon); |
aa455485 FB |
4649 | } |
4650 | ||
2ef45716 MAL |
4651 | void monitor_cleanup(void) |
4652 | { | |
a5ed3525 | 4653 | /* |
c5f57ed0 | 4654 | * We need to explicitly stop the I/O thread (but not destroy it), |
774a6b67 | 4655 | * clean up the monitor resources, then destroy the I/O thread since |
a5ed3525 PX |
4656 | * we need to unregister from chardev below in |
4657 | * monitor_data_destroy(), and chardev is not thread-safe yet | |
4658 | */ | |
85117701 WB |
4659 | if (mon_iothread) { |
4660 | iothread_stop(mon_iothread); | |
4661 | } | |
a5ed3525 | 4662 | |
774a6b67 | 4663 | /* Flush output buffers and destroy monitors */ |
2ef45716 | 4664 | qemu_mutex_lock(&monitor_lock); |
8dac00bb | 4665 | monitor_destroyed = true; |
82e870ba PB |
4666 | while (!QTAILQ_EMPTY(&mon_list)) { |
4667 | Monitor *mon = QTAILQ_FIRST(&mon_list); | |
238d9f34 | 4668 | QTAILQ_REMOVE(&mon_list, mon, entry); |
34f1f3e0 MAL |
4669 | /* Permit QAPI event emission from character frontend release */ |
4670 | qemu_mutex_unlock(&monitor_lock); | |
abe3cd0f | 4671 | monitor_flush(mon); |
2ef45716 | 4672 | monitor_data_destroy(mon); |
34f1f3e0 | 4673 | qemu_mutex_lock(&monitor_lock); |
2ef45716 MAL |
4674 | g_free(mon); |
4675 | } | |
4676 | qemu_mutex_unlock(&monitor_lock); | |
a5ed3525 | 4677 | |
c5f57ed0 | 4678 | /* QEMUBHs needs to be deleted before destroying the I/O thread */ |
cab5ad86 MA |
4679 | qemu_bh_delete(qmp_dispatcher_bh); |
4680 | qmp_dispatcher_bh = NULL; | |
85117701 WB |
4681 | if (mon_iothread) { |
4682 | iothread_destroy(mon_iothread); | |
4683 | mon_iothread = NULL; | |
4684 | } | |
2ef45716 MAL |
4685 | } |
4686 | ||
4d454574 PB |
4687 | QemuOptsList qemu_mon_opts = { |
4688 | .name = "mon", | |
4689 | .implied_opt_name = "chardev", | |
4690 | .head = QTAILQ_HEAD_INITIALIZER(qemu_mon_opts.head), | |
4691 | .desc = { | |
4692 | { | |
4693 | .name = "mode", | |
4694 | .type = QEMU_OPT_STRING, | |
4695 | },{ | |
4696 | .name = "chardev", | |
4697 | .type = QEMU_OPT_STRING, | |
4d454574 PB |
4698 | },{ |
4699 | .name = "pretty", | |
4700 | .type = QEMU_OPT_BOOL, | |
4701 | }, | |
4702 | { /* end of list */ } | |
4703 | }, | |
4704 | }; | |
f2ae8abf | 4705 | |
d4633541 IM |
4706 | HotpluggableCPUList *qmp_query_hotpluggable_cpus(Error **errp) |
4707 | { | |
4708 | MachineState *ms = MACHINE(qdev_get_machine()); | |
4709 | MachineClass *mc = MACHINE_GET_CLASS(ms); | |
4710 | ||
c5514d0e | 4711 | if (!mc->has_hotpluggable_cpus) { |
d4633541 IM |
4712 | error_setg(errp, QERR_FEATURE_DISABLED, "query-hotpluggable-cpus"); |
4713 | return NULL; | |
4714 | } | |
4715 | ||
c5514d0e | 4716 | return machine_query_hotpluggable_cpus(ms); |
d4633541 | 4717 | } |