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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" |
856dfd8a | 45 | #include "qemu/ctype.h" |
0150cd81 | 46 | #include "qemu/readline.h" |
28ecbaee | 47 | #include "ui/console.h" |
c751a74a | 48 | #include "ui/input.h" |
da27a00e | 49 | #include "sysemu/block-backend.h" |
87ecb68b | 50 | #include "audio/audio.h" |
76cad711 | 51 | #include "disas/disas.h" |
9c17d615 | 52 | #include "sysemu/balloon.h" |
1de7afc9 | 53 | #include "qemu/timer.h" |
b3946626 | 54 | #include "sysemu/hw_accel.h" |
b76806d4 DB |
55 | #include "authz/list.h" |
56 | #include "qapi/util.h" | |
14a48c1d | 57 | #include "sysemu/tcg.h" |
bdee56f5 | 58 | #include "sysemu/tpm.h" |
452fcdbc | 59 | #include "qapi/qmp/qdict.h" |
cc7a8ea7 | 60 | #include "qapi/qmp/qerror.h" |
15280c36 | 61 | #include "qapi/qmp/qnum.h" |
fc81fa1e | 62 | #include "qapi/qmp/qstring.h" |
7b1b5d19 | 63 | #include "qapi/qmp/qjson.h" |
86cdf9ec | 64 | #include "qapi/qmp/json-parser.h" |
02130314 | 65 | #include "qapi/qmp/qlist.h" |
a9c94277 | 66 | #include "qom/object_interfaces.h" |
0ab8ed18 | 67 | #include "trace-root.h" |
31965ae2 | 68 | #include "trace/control.h" |
bf957284 | 69 | #include "monitor/hmp-target.h" |
6d8a764e | 70 | #ifdef CONFIG_TRACE_SIMPLE |
31965ae2 | 71 | #include "trace/simple.h" |
22890ab5 | 72 | #endif |
022c62cb | 73 | #include "exec/memory.h" |
63c91552 | 74 | #include "exec/exec-all.h" |
03dd024f | 75 | #include "qemu/log.h" |
922a01a0 | 76 | #include "qemu/option.h" |
48a32bed | 77 | #include "hmp.h" |
1de7afc9 | 78 | #include "qemu/thread.h" |
b21631f3 | 79 | #include "block/qapi.h" |
eb815e24 | 80 | #include "qapi/qapi-commands.h" |
5d75648b | 81 | #include "qapi/qapi-emit-events.h" |
e688df6b | 82 | #include "qapi/error.h" |
43a14cfc | 83 | #include "qapi/qmp-event.h" |
eb815e24 | 84 | #include "qapi/qapi-introspect.h" |
dc599978 | 85 | #include "sysemu/qtest.h" |
d2528bdc | 86 | #include "sysemu/cpus.h" |
a5ed3525 | 87 | #include "sysemu/iothread.h" |
f348b6d1 | 88 | #include "qemu/cutils.h" |
72fd2efb | 89 | #include "tcg/tcg.h" |
6a5bd307 | 90 | |
a4538a5c JH |
91 | #if defined(TARGET_S390X) |
92 | #include "hw/s390x/storage-keys.h" | |
f860d497 | 93 | #include "hw/s390x/storage-attributes.h" |
a4538a5c JH |
94 | #endif |
95 | ||
9307c4c1 FB |
96 | /* |
97 | * Supported types: | |
5fafdf24 | 98 | * |
9307c4c1 | 99 | * 'F' filename |
81d0912d | 100 | * 'B' block device name |
9307c4c1 | 101 | * 's' string (accept optional quote) |
129be006 | 102 | * 'S' it just appends the rest of the string (accept optional quote) |
361127df MA |
103 | * 'O' option string of the form NAME=VALUE,... |
104 | * parsed according to QemuOptsList given by its name | |
105 | * Example: 'device:O' uses qemu_device_opts. | |
106 | * Restriction: only lists with empty desc are supported | |
107 | * TODO lift the restriction | |
92a31b1f FB |
108 | * 'i' 32 bit integer |
109 | * 'l' target long (32 or 64 bit) | |
91162849 LC |
110 | * 'M' Non-negative target long (32 or 64 bit), in user mode the |
111 | * value is multiplied by 2^20 (think Mebibyte) | |
dbc0c67f | 112 | * 'o' octets (aka bytes) |
5e00984a KW |
113 | * user mode accepts an optional E, e, P, p, T, t, G, g, M, m, |
114 | * K, k suffix, which multiplies the value by 2^60 for suffixes E | |
115 | * and e, 2^50 for suffixes P and p, 2^40 for suffixes T and t, | |
116 | * 2^30 for suffixes G and g, 2^20 for M and m, 2^10 for K and k | |
fccfb11e MA |
117 | * 'T' double |
118 | * user mode accepts an optional ms, us, ns suffix, | |
119 | * which divides the value by 1e3, 1e6, 1e9, respectively | |
9307c4c1 FB |
120 | * '/' optional gdb-like print format (like "/10x") |
121 | * | |
fb46660e LC |
122 | * '?' optional type (for all types, except '/') |
123 | * '.' other form of optional type (for 'i' and 'l') | |
942cd1f2 MA |
124 | * 'b' boolean |
125 | * user mode accepts "on" or "off" | |
fb46660e | 126 | * '-' optional parameter (eg. '-f') |
9307c4c1 FB |
127 | * |
128 | */ | |
129 | ||
c227f099 | 130 | typedef struct mon_cmd_t { |
9dc39cba | 131 | const char *name; |
9307c4c1 | 132 | const char *args_type; |
9dc39cba FB |
133 | const char *params; |
134 | const char *help; | |
c3120f71 | 135 | const char *flags; /* p=preconfig */ |
2b9e3576 MAL |
136 | void (*cmd)(Monitor *mon, const QDict *qdict); |
137 | /* @sub_table is a list of 2nd level of commands. If it does not exist, | |
138 | * cmd should be used. If it exists, sub_table[?].cmd should be | |
139 | * used, and cmd of 1st level plays the role of help function. | |
5f3d335f WX |
140 | */ |
141 | struct mon_cmd_t *sub_table; | |
bfa40f77 | 142 | void (*command_completion)(ReadLineState *rs, int nb_args, const char *str); |
c227f099 | 143 | } mon_cmd_t; |
9dc39cba | 144 | |
f07918fd | 145 | /* file descriptors passed via SCM_RIGHTS */ |
c227f099 AL |
146 | typedef struct mon_fd_t mon_fd_t; |
147 | struct mon_fd_t { | |
f07918fd MM |
148 | char *name; |
149 | int fd; | |
c227f099 | 150 | QLIST_ENTRY(mon_fd_t) next; |
f07918fd MM |
151 | }; |
152 | ||
ba1c048a CB |
153 | /* file descriptor associated with a file descriptor set */ |
154 | typedef struct MonFdsetFd MonFdsetFd; | |
155 | struct MonFdsetFd { | |
156 | int fd; | |
157 | bool removed; | |
158 | char *opaque; | |
159 | QLIST_ENTRY(MonFdsetFd) next; | |
160 | }; | |
161 | ||
162 | /* file descriptor set containing fds passed via SCM_RIGHTS */ | |
163 | typedef struct MonFdset MonFdset; | |
164 | struct MonFdset { | |
165 | int64_t id; | |
166 | QLIST_HEAD(, MonFdsetFd) fds; | |
adb696f3 | 167 | QLIST_HEAD(, MonFdsetFd) dup_fds; |
ba1c048a CB |
168 | QLIST_ENTRY(MonFdset) next; |
169 | }; | |
170 | ||
74358f2a | 171 | typedef struct { |
5fa737a4 | 172 | JSONMessageParser parser; |
f994b258 MA |
173 | /* |
174 | * When a client connects, we're in capabilities negotiation mode. | |
774a6b67 MA |
175 | * @commands is &qmp_cap_negotiation_commands then. When command |
176 | * qmp_capabilities succeeds, we go into command mode, and | |
177 | * @command becomes &qmp_commands. | |
f994b258 | 178 | */ |
635db18f | 179 | QmpCommandList *commands; |
279f9e08 MA |
180 | bool capab_offered[QMP_CAPABILITY__MAX]; /* capabilities offered */ |
181 | bool capab[QMP_CAPABILITY__MAX]; /* offered and accepted */ | |
71da4667 | 182 | /* |
774a6b67 MA |
183 | * Protects qmp request/response queue. |
184 | * Take monitor_lock first when you need both. | |
71da4667 PX |
185 | */ |
186 | QemuMutex qmp_queue_lock; | |
187 | /* Input queue that holds all the parsed QMP requests */ | |
188 | GQueue *qmp_requests; | |
74358f2a | 189 | } MonitorQMP; |
5fa737a4 | 190 | |
afeecec2 DB |
191 | /* |
192 | * To prevent flooding clients, events can be throttled. The | |
193 | * throttling is calculated globally, rather than per-Monitor | |
194 | * instance. | |
195 | */ | |
43a14cfc | 196 | typedef struct MonitorQAPIEventState { |
7de0be65 MA |
197 | QAPIEvent event; /* Throttling state for this event type and... */ |
198 | QDict *data; /* ... data, see qapi_event_throttle_equal() */ | |
afeecec2 | 199 | QEMUTimer *timer; /* Timer for handling delayed events */ |
688b4b7d | 200 | QDict *qdict; /* Delayed event (if any) */ |
43a14cfc | 201 | } MonitorQAPIEventState; |
afeecec2 | 202 | |
b9b03ab0 MA |
203 | typedef struct { |
204 | int64_t rate; /* Minimum time (in ns) between two events */ | |
205 | } MonitorQAPIEventConf; | |
206 | ||
87127161 | 207 | struct Monitor { |
32a6ebec | 208 | CharBackend chr; |
a7aec5da | 209 | int reset_seen; |
731b0364 | 210 | int flags; |
df152fb9 | 211 | int suspend_cnt; /* Needs to be accessed atomically */ |
48c043d0 | 212 | bool skip_flush; |
f91dc2a0 | 213 | bool use_io_thread; |
d9f25280 PX |
214 | |
215 | /* | |
216 | * State used only in the thread "owning" the monitor. | |
cab5ad86 | 217 | * If @use_io_thread, this is @mon_iothread. |
d9f25280 PX |
218 | * Else, it's the main thread. |
219 | * These members can be safely accessed without locks. | |
220 | */ | |
731b0364 | 221 | ReadLineState *rs; |
d9f25280 | 222 | |
74358f2a | 223 | MonitorQMP qmp; |
751f8cfe | 224 | gchar *mon_cpu_path; |
097310b5 | 225 | BlockCompletionFunc *password_completion_cb; |
731b0364 | 226 | void *password_opaque; |
7717239d | 227 | mon_cmd_t *cmd_table; |
238d9f34 | 228 | QTAILQ_ENTRY(Monitor) entry; |
dc7cbcd8 PX |
229 | |
230 | /* | |
231 | * The per-monitor lock. We can't access guest memory when holding | |
232 | * the lock. | |
233 | */ | |
234 | QemuMutex mon_lock; | |
235 | ||
236 | /* | |
774a6b67 | 237 | * Members that are protected by the per-monitor lock |
dc7cbcd8 | 238 | */ |
9409fc05 | 239 | QLIST_HEAD(, mon_fd_t) fds; |
dc7cbcd8 PX |
240 | QString *outbuf; |
241 | guint out_watch; | |
242 | /* Read under either BQL or mon_lock, written with BQL+mon_lock. */ | |
243 | int mux_out; | |
87127161 AL |
244 | }; |
245 | ||
774a6b67 | 246 | /* Shared monitor I/O thread */ |
cab5ad86 MA |
247 | IOThread *mon_iothread; |
248 | ||
249 | /* Bottom half to dispatch the requests received from I/O thread */ | |
250 | QEMUBH *qmp_dispatcher_bh; | |
251 | ||
6d2d563f PX |
252 | struct QMPRequest { |
253 | /* Owner of the request */ | |
254 | Monitor *mon; | |
1cc37471 MA |
255 | /* |
256 | * Request object to be handled or Error to be reported | |
257 | * (exactly one of them is non-null) | |
258 | */ | |
6d2d563f | 259 | QObject *req; |
1cc37471 | 260 | Error *err; |
6d2d563f PX |
261 | }; |
262 | typedef struct QMPRequest QMPRequest; | |
263 | ||
2dbc8db0 LC |
264 | /* QMP checker flags */ |
265 | #define QMP_ACCEPT_UNKNOWNS 1 | |
266 | ||
8dac00bb | 267 | /* Protects mon_list, monitor_qapi_event_state, monitor_destroyed. */ |
d622cb58 | 268 | static QemuMutex monitor_lock; |
095cb1bf | 269 | static GHashTable *monitor_qapi_event_state; |
b58deb34 | 270 | static QTAILQ_HEAD(, Monitor) mon_list; |
8dac00bb | 271 | static bool monitor_destroyed; |
095cb1bf | 272 | |
47451466 PX |
273 | /* Protects mon_fdsets */ |
274 | static QemuMutex mon_fdsets_lock; | |
b58deb34 | 275 | static QLIST_HEAD(, MonFdset) mon_fdsets; |
47451466 | 276 | |
efb87c16 | 277 | static int mon_refcount; |
7e2515e8 | 278 | |
816f8925 WX |
279 | static mon_cmd_t mon_cmds[]; |
280 | static mon_cmd_t info_cmds[]; | |
9dc39cba | 281 | |
635db18f | 282 | QmpCommandList qmp_commands, qmp_cap_negotiation_commands; |
1527badb | 283 | |
62aa1d88 | 284 | __thread Monitor *cur_mon; |
376253ec | 285 | |
c60bf339 SH |
286 | static void monitor_command_cb(void *opaque, const char *cmdline, |
287 | void *readline_opaque); | |
83ab7950 | 288 | |
9f3982f2 MA |
289 | /** |
290 | * Is @mon a QMP monitor? | |
291 | */ | |
292 | static inline bool monitor_is_qmp(const Monitor *mon) | |
418173c7 LC |
293 | { |
294 | return (mon->flags & MONITOR_USE_CONTROL); | |
295 | } | |
296 | ||
e3e977d4 | 297 | /** |
774a6b67 MA |
298 | * Is @mon is using readline? |
299 | * Note: not all HMP monitors use readline, e.g., gdbserver has a | |
300 | * non-interactive HMP monitor, so readline is not used there. | |
e3e977d4 PX |
301 | */ |
302 | static inline bool monitor_uses_readline(const Monitor *mon) | |
303 | { | |
304 | return mon->flags & MONITOR_USE_READLINE; | |
305 | } | |
306 | ||
307 | static inline bool monitor_is_hmp_non_interactive(const Monitor *mon) | |
308 | { | |
309 | return !monitor_is_qmp(mon) && !monitor_uses_readline(mon); | |
310 | } | |
311 | ||
6e8c5f4d PX |
312 | /* |
313 | * Return the clock to use for recording an event's time. | |
774a6b67 MA |
314 | * It's QEMU_CLOCK_REALTIME, except for qtests it's |
315 | * QEMU_CLOCK_VIRTUAL, to support testing rate limits. | |
6e8c5f4d PX |
316 | * Beware: result is invalid before configure_accelerator(). |
317 | */ | |
318 | static inline QEMUClockType monitor_get_event_clock(void) | |
319 | { | |
6e8c5f4d PX |
320 | return qtest_enabled() ? QEMU_CLOCK_VIRTUAL : QEMU_CLOCK_REALTIME; |
321 | } | |
322 | ||
489653b5 MA |
323 | /** |
324 | * Is the current monitor, if any, a QMP monitor? | |
325 | */ | |
326 | bool monitor_cur_is_qmp(void) | |
6620d3ce | 327 | { |
9f3982f2 | 328 | return cur_mon && monitor_is_qmp(cur_mon); |
6620d3ce MA |
329 | } |
330 | ||
7060b478 | 331 | void monitor_read_command(Monitor *mon, int show_prompt) |
731b0364 | 332 | { |
183e6e52 LC |
333 | if (!mon->rs) |
334 | return; | |
335 | ||
731b0364 AL |
336 | readline_start(mon->rs, "(qemu) ", 0, monitor_command_cb, NULL); |
337 | if (show_prompt) | |
338 | readline_show_prompt(mon->rs); | |
339 | } | |
6a00d601 | 340 | |
7060b478 AL |
341 | int monitor_read_password(Monitor *mon, ReadLineFunc *readline_func, |
342 | void *opaque) | |
bb5fc20f | 343 | { |
bcf5d19c | 344 | if (mon->rs) { |
cde76ee1 AL |
345 | readline_start(mon->rs, "Password: ", 1, readline_func, opaque); |
346 | /* prompt is printed on return from the command handler */ | |
347 | return 0; | |
348 | } else { | |
349 | monitor_printf(mon, "terminal does not support password prompting\n"); | |
350 | return -ENOTTY; | |
351 | } | |
bb5fc20f AL |
352 | } |
353 | ||
6d2d563f PX |
354 | static void qmp_request_free(QMPRequest *req) |
355 | { | |
cb3e7f08 | 356 | qobject_unref(req->req); |
1cc37471 | 357 | error_free(req->err); |
6d2d563f PX |
358 | g_free(req); |
359 | } | |
360 | ||
774a6b67 | 361 | /* Caller must hold mon->qmp.qmp_queue_lock */ |
6d2d563f PX |
362 | static void monitor_qmp_cleanup_req_queue_locked(Monitor *mon) |
363 | { | |
364 | while (!g_queue_is_empty(mon->qmp.qmp_requests)) { | |
365 | qmp_request_free(g_queue_pop_head(mon->qmp.qmp_requests)); | |
366 | } | |
367 | } | |
368 | ||
6d2d563f PX |
369 | static void monitor_qmp_cleanup_queues(Monitor *mon) |
370 | { | |
371 | qemu_mutex_lock(&mon->qmp.qmp_queue_lock); | |
372 | monitor_qmp_cleanup_req_queue_locked(mon); | |
6d2d563f PX |
373 | qemu_mutex_unlock(&mon->qmp.qmp_queue_lock); |
374 | } | |
375 | ||
376 | ||
6cff3e85 PB |
377 | static void monitor_flush_locked(Monitor *mon); |
378 | ||
f628926b GH |
379 | static gboolean monitor_unblocked(GIOChannel *chan, GIOCondition cond, |
380 | void *opaque) | |
381 | { | |
293d2a00 LE |
382 | Monitor *mon = opaque; |
383 | ||
dc7cbcd8 | 384 | qemu_mutex_lock(&mon->mon_lock); |
6cff3e85 PB |
385 | mon->out_watch = 0; |
386 | monitor_flush_locked(mon); | |
dc7cbcd8 | 387 | qemu_mutex_unlock(&mon->mon_lock); |
f628926b GH |
388 | return FALSE; |
389 | } | |
390 | ||
774a6b67 | 391 | /* Caller must hold mon->mon_lock */ |
6cff3e85 | 392 | static void monitor_flush_locked(Monitor *mon) |
7e2515e8 | 393 | { |
f628926b | 394 | int rc; |
e1f2641b LC |
395 | size_t len; |
396 | const char *buf; | |
397 | ||
48c043d0 LC |
398 | if (mon->skip_flush) { |
399 | return; | |
400 | } | |
401 | ||
e1f2641b LC |
402 | buf = qstring_get_str(mon->outbuf); |
403 | len = qstring_get_length(mon->outbuf); | |
f628926b | 404 | |
a4cc73d6 | 405 | if (len && !mon->mux_out) { |
5345fdb4 | 406 | rc = qemu_chr_fe_write(&mon->chr, (const uint8_t *) buf, len); |
056f49ff SP |
407 | if ((rc < 0 && errno != EAGAIN) || (rc == len)) { |
408 | /* all flushed or error */ | |
cb3e7f08 | 409 | qobject_unref(mon->outbuf); |
e1f2641b | 410 | mon->outbuf = qstring_new(); |
f628926b GH |
411 | return; |
412 | } | |
413 | if (rc > 0) { | |
3b7c78c8 | 414 | /* partial write */ |
e1f2641b | 415 | QString *tmp = qstring_from_str(buf + rc); |
cb3e7f08 | 416 | qobject_unref(mon->outbuf); |
e1f2641b | 417 | mon->outbuf = tmp; |
f628926b | 418 | } |
6cff3e85 | 419 | if (mon->out_watch == 0) { |
32a6ebec | 420 | mon->out_watch = |
5345fdb4 | 421 | qemu_chr_fe_add_watch(&mon->chr, G_IO_OUT | G_IO_HUP, |
32a6ebec | 422 | monitor_unblocked, mon); |
293d2a00 | 423 | } |
7e2515e8 FB |
424 | } |
425 | } | |
426 | ||
6cff3e85 PB |
427 | void monitor_flush(Monitor *mon) |
428 | { | |
dc7cbcd8 | 429 | qemu_mutex_lock(&mon->mon_lock); |
6cff3e85 | 430 | monitor_flush_locked(mon); |
dc7cbcd8 | 431 | qemu_mutex_unlock(&mon->mon_lock); |
6cff3e85 PB |
432 | } |
433 | ||
e1f2641b | 434 | /* flush at every end of line */ |
679cb8e1 | 435 | static int monitor_puts(Monitor *mon, const char *str) |
7e2515e8 | 436 | { |
679cb8e1 | 437 | int i; |
60fe76f3 | 438 | char c; |
731b0364 | 439 | |
dc7cbcd8 | 440 | qemu_mutex_lock(&mon->mon_lock); |
679cb8e1 MA |
441 | for (i = 0; str[i]; i++) { |
442 | c = str[i]; | |
e1f2641b LC |
443 | if (c == '\n') { |
444 | qstring_append_chr(mon->outbuf, '\r'); | |
445 | } | |
446 | qstring_append_chr(mon->outbuf, c); | |
447 | if (c == '\n') { | |
6cff3e85 | 448 | monitor_flush_locked(mon); |
e1f2641b | 449 | } |
7e2515e8 | 450 | } |
dc7cbcd8 | 451 | qemu_mutex_unlock(&mon->mon_lock); |
679cb8e1 MA |
452 | |
453 | return i; | |
7e2515e8 FB |
454 | } |
455 | ||
679cb8e1 | 456 | int monitor_vprintf(Monitor *mon, const char *fmt, va_list ap) |
9dc39cba | 457 | { |
e1f2641b | 458 | char *buf; |
679cb8e1 | 459 | int n; |
b8b08266 | 460 | |
2daa1191 | 461 | if (!mon) |
679cb8e1 | 462 | return -1; |
2daa1191 | 463 | |
9f3982f2 | 464 | if (monitor_is_qmp(mon)) { |
679cb8e1 | 465 | return -1; |
4a29a85d | 466 | } |
b8b08266 | 467 | |
e1f2641b | 468 | buf = g_strdup_vprintf(fmt, ap); |
679cb8e1 | 469 | n = monitor_puts(mon, buf); |
e1f2641b | 470 | g_free(buf); |
679cb8e1 | 471 | return n; |
9dc39cba FB |
472 | } |
473 | ||
679cb8e1 | 474 | int monitor_printf(Monitor *mon, const char *fmt, ...) |
9dc39cba | 475 | { |
679cb8e1 MA |
476 | int ret; |
477 | ||
7e2515e8 FB |
478 | va_list ap; |
479 | va_start(ap, fmt); | |
679cb8e1 | 480 | ret = monitor_vprintf(mon, fmt, ap); |
7e2515e8 | 481 | va_end(ap); |
679cb8e1 | 482 | return ret; |
9dc39cba FB |
483 | } |
484 | ||
6cd112e2 | 485 | static void qmp_send_response(Monitor *mon, const QDict *rsp) |
9b57c02e | 486 | { |
6cd112e2 | 487 | const QObject *data = QOBJECT(rsp); |
9b57c02e LC |
488 | QString *json; |
489 | ||
83a27d4d LC |
490 | json = mon->flags & MONITOR_USE_PRETTY ? qobject_to_json_pretty(data) : |
491 | qobject_to_json(data); | |
9b57c02e LC |
492 | assert(json != NULL); |
493 | ||
b8b08266 LC |
494 | qstring_append_chr(json, '\n'); |
495 | monitor_puts(mon, qstring_get_str(json)); | |
4a29a85d | 496 | |
cb3e7f08 | 497 | qobject_unref(json); |
9b57c02e LC |
498 | } |
499 | ||
7fb1cf16 | 500 | static MonitorQAPIEventConf monitor_qapi_event_conf[QAPI_EVENT__MAX] = { |
b9b03ab0 MA |
501 | /* Limit guest-triggerable events to 1 per second */ |
502 | [QAPI_EVENT_RTC_CHANGE] = { 1000 * SCALE_MS }, | |
503 | [QAPI_EVENT_WATCHDOG] = { 1000 * SCALE_MS }, | |
504 | [QAPI_EVENT_BALLOON_CHANGE] = { 1000 * SCALE_MS }, | |
505 | [QAPI_EVENT_QUORUM_REPORT_BAD] = { 1000 * SCALE_MS }, | |
506 | [QAPI_EVENT_QUORUM_FAILURE] = { 1000 * SCALE_MS }, | |
507 | [QAPI_EVENT_VSERPORT_CHANGE] = { 1000 * SCALE_MS }, | |
508 | }; | |
509 | ||
afeecec2 | 510 | /* |
774a6b67 MA |
511 | * Broadcast an event to all monitors. |
512 | * @qdict is the event object. Its member "event" must match @event. | |
513 | * Caller must hold monitor_lock. | |
afeecec2 | 514 | */ |
688b4b7d | 515 | static void monitor_qapi_event_emit(QAPIEvent event, QDict *qdict) |
afeecec2 DB |
516 | { |
517 | Monitor *mon; | |
518 | ||
688b4b7d | 519 | trace_monitor_protocol_event_emit(event, qdict); |
238d9f34 | 520 | QTAILQ_FOREACH(mon, &mon_list, entry) { |
635db18f MA |
521 | if (monitor_is_qmp(mon) |
522 | && mon->qmp.commands != &qmp_cap_negotiation_commands) { | |
27656018 | 523 | qmp_send_response(mon, qdict); |
afeecec2 DB |
524 | } |
525 | } | |
526 | } | |
527 | ||
a24712af MA |
528 | static void monitor_qapi_event_handler(void *opaque); |
529 | ||
afeecec2 DB |
530 | /* |
531 | * Queue a new event for emission to Monitor instances, | |
532 | * applying any rate limiting if required. | |
533 | */ | |
534 | static void | |
9a105406 | 535 | monitor_qapi_event_queue_no_reenter(QAPIEvent event, QDict *qdict) |
afeecec2 | 536 | { |
b9b03ab0 | 537 | MonitorQAPIEventConf *evconf; |
43a14cfc | 538 | MonitorQAPIEventState *evstate; |
afeecec2 | 539 | |
7fb1cf16 | 540 | assert(event < QAPI_EVENT__MAX); |
b9b03ab0 | 541 | evconf = &monitor_qapi_event_conf[event]; |
b9b03ab0 | 542 | trace_monitor_protocol_event_queue(event, qdict, evconf->rate); |
afeecec2 | 543 | |
d622cb58 | 544 | qemu_mutex_lock(&monitor_lock); |
93f8f982 | 545 | |
b9b03ab0 | 546 | if (!evconf->rate) { |
93f8f982 | 547 | /* Unthrottled event */ |
688b4b7d | 548 | monitor_qapi_event_emit(event, qdict); |
afeecec2 | 549 | } else { |
7dc847eb | 550 | QDict *data = qobject_to(QDict, qdict_get(qdict, "data")); |
7de0be65 | 551 | MonitorQAPIEventState key = { .event = event, .data = data }; |
a24712af MA |
552 | |
553 | evstate = g_hash_table_lookup(monitor_qapi_event_state, &key); | |
554 | assert(!evstate || timer_pending(evstate->timer)); | |
555 | ||
556 | if (evstate) { | |
93f8f982 | 557 | /* |
b9b03ab0 | 558 | * Timer is pending for (at least) evconf->rate ns after |
93f8f982 MA |
559 | * last send. Store event for sending when timer fires, |
560 | * replacing a prior stored event if any. | |
afeecec2 | 561 | */ |
cb3e7f08 | 562 | qobject_unref(evstate->qdict); |
f5a74a5a | 563 | evstate->qdict = qobject_ref(qdict); |
afeecec2 | 564 | } else { |
93f8f982 | 565 | /* |
b9b03ab0 | 566 | * Last send was (at least) evconf->rate ns ago. |
93f8f982 | 567 | * Send immediately, and arm the timer to call |
b9b03ab0 | 568 | * monitor_qapi_event_handler() in evconf->rate ns. Any |
93f8f982 MA |
569 | * events arriving before then will be delayed until then. |
570 | */ | |
6e8c5f4d | 571 | int64_t now = qemu_clock_get_ns(monitor_get_event_clock()); |
93f8f982 | 572 | |
688b4b7d | 573 | monitor_qapi_event_emit(event, qdict); |
a24712af MA |
574 | |
575 | evstate = g_new(MonitorQAPIEventState, 1); | |
576 | evstate->event = event; | |
f5a74a5a | 577 | evstate->data = qobject_ref(data); |
a24712af | 578 | evstate->qdict = NULL; |
6e8c5f4d | 579 | evstate->timer = timer_new_ns(monitor_get_event_clock(), |
a24712af MA |
580 | monitor_qapi_event_handler, |
581 | evstate); | |
582 | g_hash_table_add(monitor_qapi_event_state, evstate); | |
b9b03ab0 | 583 | timer_mod_ns(evstate->timer, now + evconf->rate); |
afeecec2 DB |
584 | } |
585 | } | |
93f8f982 | 586 | |
d622cb58 | 587 | qemu_mutex_unlock(&monitor_lock); |
afeecec2 DB |
588 | } |
589 | ||
a9529100 | 590 | void qapi_event_emit(QAPIEvent event, QDict *qdict) |
9a105406 MAL |
591 | { |
592 | /* | |
593 | * monitor_qapi_event_queue_no_reenter() is not reentrant: it | |
594 | * would deadlock on monitor_lock. Work around by queueing | |
595 | * events in thread-local storage. | |
596 | * TODO: remove this, make it re-enter safe. | |
597 | */ | |
598 | typedef struct MonitorQapiEvent { | |
599 | QAPIEvent event; | |
600 | QDict *qdict; | |
601 | QSIMPLEQ_ENTRY(MonitorQapiEvent) entry; | |
602 | } MonitorQapiEvent; | |
603 | static __thread QSIMPLEQ_HEAD(, MonitorQapiEvent) event_queue; | |
604 | static __thread bool reentered; | |
605 | MonitorQapiEvent *ev; | |
606 | ||
607 | if (!reentered) { | |
608 | QSIMPLEQ_INIT(&event_queue); | |
609 | } | |
610 | ||
611 | ev = g_new(MonitorQapiEvent, 1); | |
612 | ev->qdict = qobject_ref(qdict); | |
613 | ev->event = event; | |
614 | QSIMPLEQ_INSERT_TAIL(&event_queue, ev, entry); | |
615 | if (reentered) { | |
616 | return; | |
617 | } | |
618 | ||
619 | reentered = true; | |
620 | ||
621 | while ((ev = QSIMPLEQ_FIRST(&event_queue)) != NULL) { | |
622 | QSIMPLEQ_REMOVE_HEAD(&event_queue, entry); | |
623 | monitor_qapi_event_queue_no_reenter(ev->event, ev->qdict); | |
624 | qobject_unref(ev->qdict); | |
625 | g_free(ev); | |
626 | } | |
627 | ||
628 | reentered = false; | |
629 | } | |
630 | ||
afeecec2 | 631 | /* |
b9b03ab0 | 632 | * This function runs evconf->rate ns after sending a throttled |
93f8f982 MA |
633 | * event. |
634 | * If another event has since been stored, send it. | |
afeecec2 | 635 | */ |
43a14cfc | 636 | static void monitor_qapi_event_handler(void *opaque) |
afeecec2 | 637 | { |
43a14cfc | 638 | MonitorQAPIEventState *evstate = opaque; |
b9b03ab0 | 639 | MonitorQAPIEventConf *evconf = &monitor_qapi_event_conf[evstate->event]; |
afeecec2 | 640 | |
93f8f982 | 641 | trace_monitor_protocol_event_handler(evstate->event, evstate->qdict); |
d622cb58 | 642 | qemu_mutex_lock(&monitor_lock); |
93f8f982 | 643 | |
688b4b7d | 644 | if (evstate->qdict) { |
6e8c5f4d | 645 | int64_t now = qemu_clock_get_ns(monitor_get_event_clock()); |
93f8f982 | 646 | |
688b4b7d | 647 | monitor_qapi_event_emit(evstate->event, evstate->qdict); |
cb3e7f08 | 648 | qobject_unref(evstate->qdict); |
688b4b7d | 649 | evstate->qdict = NULL; |
b9b03ab0 | 650 | timer_mod_ns(evstate->timer, now + evconf->rate); |
a24712af MA |
651 | } else { |
652 | g_hash_table_remove(monitor_qapi_event_state, evstate); | |
cb3e7f08 | 653 | qobject_unref(evstate->data); |
a24712af MA |
654 | timer_free(evstate->timer); |
655 | g_free(evstate); | |
afeecec2 | 656 | } |
93f8f982 | 657 | |
d622cb58 | 658 | qemu_mutex_unlock(&monitor_lock); |
afeecec2 DB |
659 | } |
660 | ||
a24712af | 661 | static unsigned int qapi_event_throttle_hash(const void *key) |
afeecec2 | 662 | { |
a24712af | 663 | const MonitorQAPIEventState *evstate = key; |
7de0be65 | 664 | unsigned int hash = evstate->event * 255; |
afeecec2 | 665 | |
7de0be65 MA |
666 | if (evstate->event == QAPI_EVENT_VSERPORT_CHANGE) { |
667 | hash += g_str_hash(qdict_get_str(evstate->data, "id")); | |
668 | } | |
669 | ||
6d425eb9 AG |
670 | if (evstate->event == QAPI_EVENT_QUORUM_REPORT_BAD) { |
671 | hash += g_str_hash(qdict_get_str(evstate->data, "node-name")); | |
672 | } | |
673 | ||
7de0be65 | 674 | return hash; |
a24712af | 675 | } |
0d1ea871 | 676 | |
a24712af MA |
677 | static gboolean qapi_event_throttle_equal(const void *a, const void *b) |
678 | { | |
679 | const MonitorQAPIEventState *eva = a; | |
680 | const MonitorQAPIEventState *evb = b; | |
681 | ||
7de0be65 MA |
682 | if (eva->event != evb->event) { |
683 | return FALSE; | |
684 | } | |
685 | ||
686 | if (eva->event == QAPI_EVENT_VSERPORT_CHANGE) { | |
687 | return !strcmp(qdict_get_str(eva->data, "id"), | |
688 | qdict_get_str(evb->data, "id")); | |
689 | } | |
690 | ||
6d425eb9 AG |
691 | if (eva->event == QAPI_EVENT_QUORUM_REPORT_BAD) { |
692 | return !strcmp(qdict_get_str(eva->data, "node-name"), | |
693 | qdict_get_str(evb->data, "node-name")); | |
694 | } | |
695 | ||
7de0be65 | 696 | return TRUE; |
a24712af MA |
697 | } |
698 | ||
699 | static void monitor_qapi_event_init(void) | |
700 | { | |
701 | monitor_qapi_event_state = g_hash_table_new(qapi_event_throttle_hash, | |
702 | qapi_event_throttle_equal); | |
0d1ea871 LC |
703 | } |
704 | ||
7ef6cf63 | 705 | static void handle_hmp_command(Monitor *mon, const char *cmdline); |
0268d97c | 706 | |
85117701 WB |
707 | static void monitor_iothread_init(void); |
708 | ||
a5ed3525 | 709 | static void monitor_data_init(Monitor *mon, bool skip_flush, |
f91dc2a0 | 710 | bool use_io_thread) |
b01fe89e | 711 | { |
85117701 WB |
712 | if (use_io_thread && !mon_iothread) { |
713 | monitor_iothread_init(); | |
714 | } | |
b01fe89e | 715 | memset(mon, 0, sizeof(Monitor)); |
dc7cbcd8 | 716 | qemu_mutex_init(&mon->mon_lock); |
71da4667 | 717 | qemu_mutex_init(&mon->qmp.qmp_queue_lock); |
b01fe89e | 718 | mon->outbuf = qstring_new(); |
7717239d WX |
719 | /* Use *mon_cmds by default. */ |
720 | mon->cmd_table = mon_cmds; | |
88a95d10 | 721 | mon->skip_flush = skip_flush; |
f91dc2a0 | 722 | mon->use_io_thread = use_io_thread; |
71da4667 | 723 | mon->qmp.qmp_requests = g_queue_new(); |
b01fe89e WX |
724 | } |
725 | ||
726 | static void monitor_data_destroy(Monitor *mon) | |
727 | { | |
751f8cfe | 728 | g_free(mon->mon_cpu_path); |
1ce2610c | 729 | qemu_chr_fe_deinit(&mon->chr, false); |
2ef45716 MAL |
730 | if (monitor_is_qmp(mon)) { |
731 | json_message_parser_destroy(&mon->qmp.parser); | |
732 | } | |
e5dc1a6c | 733 | readline_free(mon->rs); |
cb3e7f08 | 734 | qobject_unref(mon->outbuf); |
dc7cbcd8 | 735 | qemu_mutex_destroy(&mon->mon_lock); |
71da4667 | 736 | qemu_mutex_destroy(&mon->qmp.qmp_queue_lock); |
6d2d563f | 737 | monitor_qmp_cleanup_req_queue_locked(mon); |
71da4667 | 738 | g_queue_free(mon->qmp.qmp_requests); |
b01fe89e WX |
739 | } |
740 | ||
d51a67b4 LC |
741 | char *qmp_human_monitor_command(const char *command_line, bool has_cpu_index, |
742 | int64_t cpu_index, Error **errp) | |
0268d97c | 743 | { |
d51a67b4 | 744 | char *output = NULL; |
0268d97c | 745 | Monitor *old_mon, hmp; |
0268d97c | 746 | |
a5ed3525 | 747 | monitor_data_init(&hmp, true, false); |
0268d97c LC |
748 | |
749 | old_mon = cur_mon; | |
750 | cur_mon = &hmp; | |
751 | ||
d51a67b4 LC |
752 | if (has_cpu_index) { |
753 | int ret = monitor_set_cpu(cpu_index); | |
0268d97c LC |
754 | if (ret < 0) { |
755 | cur_mon = old_mon; | |
c6bd8c70 MA |
756 | error_setg(errp, QERR_INVALID_PARAMETER_VALUE, "cpu-index", |
757 | "a CPU number"); | |
0268d97c LC |
758 | goto out; |
759 | } | |
760 | } | |
761 | ||
7ef6cf63 | 762 | handle_hmp_command(&hmp, command_line); |
0268d97c LC |
763 | cur_mon = old_mon; |
764 | ||
dc7cbcd8 | 765 | qemu_mutex_lock(&hmp.mon_lock); |
48c043d0 LC |
766 | if (qstring_get_length(hmp.outbuf) > 0) { |
767 | output = g_strdup(qstring_get_str(hmp.outbuf)); | |
d51a67b4 LC |
768 | } else { |
769 | output = g_strdup(""); | |
0268d97c | 770 | } |
dc7cbcd8 | 771 | qemu_mutex_unlock(&hmp.mon_lock); |
0268d97c LC |
772 | |
773 | out: | |
b01fe89e | 774 | monitor_data_destroy(&hmp); |
d51a67b4 | 775 | return output; |
0268d97c LC |
776 | } |
777 | ||
9dc39cba FB |
778 | static int compare_cmd(const char *name, const char *list) |
779 | { | |
780 | const char *p, *pstart; | |
781 | int len; | |
782 | len = strlen(name); | |
783 | p = list; | |
784 | for(;;) { | |
785 | pstart = p; | |
5c99fa37 | 786 | p = qemu_strchrnul(p, '|'); |
9dc39cba FB |
787 | if ((p - pstart) == len && !memcmp(pstart, name, len)) |
788 | return 1; | |
789 | if (*p == '\0') | |
790 | break; | |
791 | p++; | |
792 | } | |
793 | return 0; | |
794 | } | |
795 | ||
f5438c05 WX |
796 | static int get_str(char *buf, int buf_size, const char **pp) |
797 | { | |
798 | const char *p; | |
799 | char *q; | |
800 | int c; | |
801 | ||
802 | q = buf; | |
803 | p = *pp; | |
804 | while (qemu_isspace(*p)) { | |
805 | p++; | |
806 | } | |
807 | if (*p == '\0') { | |
808 | fail: | |
809 | *q = '\0'; | |
810 | *pp = p; | |
811 | return -1; | |
812 | } | |
813 | if (*p == '\"') { | |
814 | p++; | |
815 | while (*p != '\0' && *p != '\"') { | |
816 | if (*p == '\\') { | |
817 | p++; | |
818 | c = *p++; | |
819 | switch (c) { | |
820 | case 'n': | |
821 | c = '\n'; | |
822 | break; | |
823 | case 'r': | |
824 | c = '\r'; | |
825 | break; | |
826 | case '\\': | |
827 | case '\'': | |
828 | case '\"': | |
829 | break; | |
830 | default: | |
71baf787 | 831 | printf("unsupported escape code: '\\%c'\n", c); |
f5438c05 WX |
832 | goto fail; |
833 | } | |
834 | if ((q - buf) < buf_size - 1) { | |
835 | *q++ = c; | |
836 | } | |
837 | } else { | |
838 | if ((q - buf) < buf_size - 1) { | |
839 | *q++ = *p; | |
840 | } | |
841 | p++; | |
842 | } | |
843 | } | |
844 | if (*p != '\"') { | |
71baf787 | 845 | printf("unterminated string\n"); |
f5438c05 WX |
846 | goto fail; |
847 | } | |
848 | p++; | |
849 | } else { | |
850 | while (*p != '\0' && !qemu_isspace(*p)) { | |
851 | if ((q - buf) < buf_size - 1) { | |
852 | *q++ = *p; | |
853 | } | |
854 | p++; | |
855 | } | |
856 | } | |
857 | *q = '\0'; | |
858 | *pp = p; | |
859 | return 0; | |
860 | } | |
861 | ||
862 | #define MAX_ARGS 16 | |
863 | ||
dcc70cdf WX |
864 | static void free_cmdline_args(char **args, int nb_args) |
865 | { | |
866 | int i; | |
867 | ||
868 | assert(nb_args <= MAX_ARGS); | |
869 | ||
870 | for (i = 0; i < nb_args; i++) { | |
871 | g_free(args[i]); | |
872 | } | |
873 | ||
874 | } | |
875 | ||
876 | /* | |
877 | * Parse the command line to get valid args. | |
878 | * @cmdline: command line to be parsed. | |
879 | * @pnb_args: location to store the number of args, must NOT be NULL. | |
880 | * @args: location to store the args, which should be freed by caller, must | |
881 | * NOT be NULL. | |
882 | * | |
883 | * Returns 0 on success, negative on failure. | |
884 | * | |
885 | * NOTE: this parser is an approximate form of the real command parser. Number | |
886 | * of args have a limit of MAX_ARGS. If cmdline contains more, it will | |
887 | * return with failure. | |
888 | */ | |
889 | static int parse_cmdline(const char *cmdline, | |
890 | int *pnb_args, char **args) | |
f5438c05 WX |
891 | { |
892 | const char *p; | |
893 | int nb_args, ret; | |
894 | char buf[1024]; | |
895 | ||
896 | p = cmdline; | |
897 | nb_args = 0; | |
898 | for (;;) { | |
899 | while (qemu_isspace(*p)) { | |
900 | p++; | |
901 | } | |
902 | if (*p == '\0') { | |
903 | break; | |
904 | } | |
905 | if (nb_args >= MAX_ARGS) { | |
dcc70cdf | 906 | goto fail; |
f5438c05 WX |
907 | } |
908 | ret = get_str(buf, sizeof(buf), &p); | |
f5438c05 | 909 | if (ret < 0) { |
dcc70cdf | 910 | goto fail; |
f5438c05 | 911 | } |
dcc70cdf WX |
912 | args[nb_args] = g_strdup(buf); |
913 | nb_args++; | |
f5438c05 WX |
914 | } |
915 | *pnb_args = nb_args; | |
dcc70cdf WX |
916 | return 0; |
917 | ||
918 | fail: | |
919 | free_cmdline_args(args, nb_args); | |
920 | return -1; | |
f5438c05 WX |
921 | } |
922 | ||
c3120f71 | 923 | /* |
774a6b67 | 924 | * Can command @cmd be executed in preconfig state? |
c3120f71 DDAG |
925 | */ |
926 | static bool cmd_can_preconfig(const mon_cmd_t *cmd) | |
927 | { | |
928 | if (!cmd->flags) { | |
929 | return false; | |
930 | } | |
931 | ||
932 | return strchr(cmd->flags, 'p'); | |
933 | } | |
934 | ||
66855495 WX |
935 | static void help_cmd_dump_one(Monitor *mon, |
936 | const mon_cmd_t *cmd, | |
937 | char **prefix_args, | |
938 | int prefix_args_nb) | |
939 | { | |
940 | int i; | |
941 | ||
31785f1b DDAG |
942 | if (runstate_check(RUN_STATE_PRECONFIG) && !cmd_can_preconfig(cmd)) { |
943 | return; | |
944 | } | |
945 | ||
66855495 WX |
946 | for (i = 0; i < prefix_args_nb; i++) { |
947 | monitor_printf(mon, "%s ", prefix_args[i]); | |
948 | } | |
949 | monitor_printf(mon, "%s %s -- %s\n", cmd->name, cmd->params, cmd->help); | |
950 | } | |
951 | ||
952 | /* @args[@arg_index] is the valid command need to find in @cmds */ | |
c227f099 | 953 | static void help_cmd_dump(Monitor *mon, const mon_cmd_t *cmds, |
66855495 | 954 | char **args, int nb_args, int arg_index) |
9dc39cba | 955 | { |
c227f099 | 956 | const mon_cmd_t *cmd; |
43e87b3e | 957 | size_t i; |
9dc39cba | 958 | |
66855495 WX |
959 | /* No valid arg need to compare with, dump all in *cmds */ |
960 | if (arg_index >= nb_args) { | |
961 | for (cmd = cmds; cmd->name != NULL; cmd++) { | |
962 | help_cmd_dump_one(mon, cmd, args, arg_index); | |
963 | } | |
964 | return; | |
965 | } | |
966 | ||
967 | /* Find one entry to dump */ | |
968 | for (cmd = cmds; cmd->name != NULL; cmd++) { | |
31785f1b DDAG |
969 | if (compare_cmd(args[arg_index], cmd->name) && |
970 | ((!runstate_check(RUN_STATE_PRECONFIG) || | |
971 | cmd_can_preconfig(cmd)))) { | |
66855495 WX |
972 | if (cmd->sub_table) { |
973 | /* continue with next arg */ | |
974 | help_cmd_dump(mon, cmd->sub_table, | |
975 | args, nb_args, arg_index + 1); | |
976 | } else { | |
977 | help_cmd_dump_one(mon, cmd, args, arg_index); | |
978 | } | |
43e87b3e | 979 | return; |
66855495 | 980 | } |
9dc39cba | 981 | } |
43e87b3e CW |
982 | |
983 | /* Command not found */ | |
984 | monitor_printf(mon, "unknown command: '"); | |
985 | for (i = 0; i <= arg_index; i++) { | |
986 | monitor_printf(mon, "%s%s", args[i], i == arg_index ? "'\n" : " "); | |
987 | } | |
9dc39cba FB |
988 | } |
989 | ||
376253ec | 990 | static void help_cmd(Monitor *mon, const char *name) |
9dc39cba | 991 | { |
66855495 WX |
992 | char *args[MAX_ARGS]; |
993 | int nb_args = 0; | |
994 | ||
995 | /* 1. parse user input */ | |
996 | if (name) { | |
997 | /* special case for log, directly dump and return */ | |
998 | if (!strcmp(name, "log")) { | |
38dad9e5 | 999 | const QEMULogItem *item; |
376253ec AL |
1000 | monitor_printf(mon, "Log items (comma separated):\n"); |
1001 | monitor_printf(mon, "%-10s %s\n", "none", "remove all logs"); | |
38dad9e5 | 1002 | for (item = qemu_log_items; item->mask != 0; item++) { |
376253ec | 1003 | monitor_printf(mon, "%-10s %s\n", item->name, item->help); |
f193c797 | 1004 | } |
66855495 WX |
1005 | return; |
1006 | } | |
1007 | ||
1008 | if (parse_cmdline(name, &nb_args, args) < 0) { | |
1009 | return; | |
f193c797 | 1010 | } |
9dc39cba | 1011 | } |
66855495 WX |
1012 | |
1013 | /* 2. dump the contents according to parsed args */ | |
1014 | help_cmd_dump(mon, mon->cmd_table, args, nb_args, 0); | |
1015 | ||
1016 | free_cmdline_args(args, nb_args); | |
9dc39cba FB |
1017 | } |
1018 | ||
d54908a5 | 1019 | static void do_help_cmd(Monitor *mon, const QDict *qdict) |
38183186 | 1020 | { |
d54908a5 | 1021 | help_cmd(mon, qdict_get_try_str(qdict, "name")); |
38183186 LC |
1022 | } |
1023 | ||
3e5a50d6 | 1024 | static void hmp_trace_event(Monitor *mon, const QDict *qdict) |
22890ab5 PS |
1025 | { |
1026 | const char *tp_name = qdict_get_str(qdict, "name"); | |
1027 | bool new_state = qdict_get_bool(qdict, "option"); | |
77e2b172 LV |
1028 | bool has_vcpu = qdict_haskey(qdict, "vcpu"); |
1029 | int vcpu = qdict_get_try_int(qdict, "vcpu", 0); | |
14101d02 | 1030 | Error *local_err = NULL; |
f871d689 | 1031 | |
77e2b172 LV |
1032 | if (vcpu < 0) { |
1033 | monitor_printf(mon, "argument vcpu must be positive"); | |
1034 | return; | |
1035 | } | |
1036 | ||
1037 | qmp_trace_event_set_state(tp_name, new_state, true, true, has_vcpu, vcpu, &local_err); | |
14101d02 | 1038 | if (local_err) { |
091e38b7 | 1039 | error_report_err(local_err); |
f871d689 | 1040 | } |
22890ab5 | 1041 | } |
c5ceb523 | 1042 | |
c45a8168 | 1043 | #ifdef CONFIG_TRACE_SIMPLE |
3e5a50d6 | 1044 | static void hmp_trace_file(Monitor *mon, const QDict *qdict) |
c5ceb523 SH |
1045 | { |
1046 | const char *op = qdict_get_try_str(qdict, "op"); | |
1047 | const char *arg = qdict_get_try_str(qdict, "arg"); | |
1048 | ||
1049 | if (!op) { | |
ba4912cb | 1050 | st_print_trace_file_status(); |
c5ceb523 SH |
1051 | } else if (!strcmp(op, "on")) { |
1052 | st_set_trace_file_enabled(true); | |
1053 | } else if (!strcmp(op, "off")) { | |
1054 | st_set_trace_file_enabled(false); | |
1055 | } else if (!strcmp(op, "flush")) { | |
1056 | st_flush_trace_buffer(); | |
1057 | } else if (!strcmp(op, "set")) { | |
1058 | if (arg) { | |
1059 | st_set_trace_file(arg); | |
1060 | } | |
1061 | } else { | |
1062 | monitor_printf(mon, "unexpected argument \"%s\"\n", op); | |
1063 | help_cmd(mon, "trace-file"); | |
1064 | } | |
1065 | } | |
22890ab5 PS |
1066 | #endif |
1067 | ||
3e5a50d6 | 1068 | static void hmp_info_help(Monitor *mon, const QDict *qdict) |
9dc39cba | 1069 | { |
13c7425e | 1070 | help_cmd(mon, "info"); |
9dc39cba FB |
1071 | } |
1072 | ||
9e812b6a | 1073 | static void query_commands_cb(QmpCommand *cmd, void *opaque) |
e3bba9d0 | 1074 | { |
9e812b6a | 1075 | CommandInfoList *info, **list = opaque; |
e3bba9d0 | 1076 | |
9e812b6a MAL |
1077 | if (!cmd->enabled) { |
1078 | return; | |
e3bba9d0 LC |
1079 | } |
1080 | ||
9e812b6a MAL |
1081 | info = g_malloc0(sizeof(*info)); |
1082 | info->value = g_malloc0(sizeof(*info->value)); | |
1083 | info->value->name = g_strdup(cmd->name); | |
1084 | info->next = *list; | |
1085 | *list = info; | |
1086 | } | |
1087 | ||
1088 | CommandInfoList *qmp_query_commands(Error **errp) | |
1089 | { | |
1090 | CommandInfoList *list = NULL; | |
1091 | ||
635db18f | 1092 | qmp_for_each_command(cur_mon->qmp.commands, query_commands_cb, &list); |
9e812b6a MAL |
1093 | |
1094 | return list; | |
a36e69dd TS |
1095 | } |
1096 | ||
4860853d DB |
1097 | EventInfoList *qmp_query_events(Error **errp) |
1098 | { | |
9d7b7086 MA |
1099 | /* |
1100 | * TODO This deprecated command is the only user of | |
1101 | * QAPIEvent_str() and QAPIEvent_lookup[]. When the command goes, | |
1102 | * they should go, too. | |
1103 | */ | |
4860853d | 1104 | EventInfoList *info, *ev_list = NULL; |
75175173 | 1105 | QAPIEvent e; |
4860853d | 1106 | |
7fb1cf16 | 1107 | for (e = 0 ; e < QAPI_EVENT__MAX ; e++) { |
977c736f | 1108 | const char *event_name = QAPIEvent_str(e); |
4860853d DB |
1109 | assert(event_name != NULL); |
1110 | info = g_malloc0(sizeof(*info)); | |
1111 | info->value = g_malloc0(sizeof(*info->value)); | |
1112 | info->value->name = g_strdup(event_name); | |
1113 | ||
1114 | info->next = ev_list; | |
1115 | ev_list = info; | |
1116 | } | |
1117 | ||
1118 | return ev_list; | |
1119 | } | |
1120 | ||
39a18158 MA |
1121 | /* |
1122 | * Minor hack: generated marshalling suppressed for this command | |
1123 | * ('gen': false in the schema) so we can parse the JSON string | |
1124 | * directly into QObject instead of first parsing it with | |
1125 | * visit_type_SchemaInfoList() into a SchemaInfoList, then marshal it | |
1126 | * to QObject with generated output marshallers, every time. Instead, | |
b3db211f | 1127 | * we do it in test-qobject-input-visitor.c, just to make sure |
fb0bc835 | 1128 | * qapi-gen.py's output actually conforms to the schema. |
39a18158 MA |
1129 | */ |
1130 | static void qmp_query_qmp_schema(QDict *qdict, QObject **ret_data, | |
1131 | Error **errp) | |
1132 | { | |
7d0f982b | 1133 | *ret_data = qobject_from_qlit(&qmp_schema_qlit); |
39a18158 MA |
1134 | } |
1135 | ||
6adf08dd | 1136 | static void monitor_init_qmp_commands(void) |
edcfaefe | 1137 | { |
635db18f MA |
1138 | /* |
1139 | * Two command lists: | |
1140 | * - qmp_commands contains all QMP commands | |
1141 | * - qmp_cap_negotiation_commands contains just | |
1142 | * "qmp_capabilities", to enforce capability negotiation | |
1143 | */ | |
1144 | ||
1527badb | 1145 | qmp_init_marshal(&qmp_commands); |
05875687 | 1146 | |
1527badb | 1147 | qmp_register_command(&qmp_commands, "query-qmp-schema", |
d6fe3d02 | 1148 | qmp_query_qmp_schema, QCO_ALLOW_PRECONFIG); |
1527badb | 1149 | qmp_register_command(&qmp_commands, "device_add", qmp_device_add, |
edcfaefe | 1150 | QCO_NO_OPTIONS); |
1527badb | 1151 | qmp_register_command(&qmp_commands, "netdev_add", qmp_netdev_add, |
edcfaefe | 1152 | QCO_NO_OPTIONS); |
5032a16d | 1153 | |
635db18f MA |
1154 | QTAILQ_INIT(&qmp_cap_negotiation_commands); |
1155 | qmp_register_command(&qmp_cap_negotiation_commands, "qmp_capabilities", | |
d6fe3d02 | 1156 | qmp_marshal_qmp_capabilities, QCO_ALLOW_PRECONFIG); |
635db18f MA |
1157 | } |
1158 | ||
71da4667 PX |
1159 | static bool qmp_oob_enabled(Monitor *mon) |
1160 | { | |
279f9e08 | 1161 | return mon->qmp.capab[QMP_CAPABILITY_OOB]; |
02130314 PX |
1162 | } |
1163 | ||
279f9e08 | 1164 | static void monitor_qmp_caps_reset(Monitor *mon) |
635db18f | 1165 | { |
279f9e08 MA |
1166 | memset(mon->qmp.capab_offered, 0, sizeof(mon->qmp.capab_offered)); |
1167 | memset(mon->qmp.capab, 0, sizeof(mon->qmp.capab)); | |
1168 | mon->qmp.capab_offered[QMP_CAPABILITY_OOB] = mon->use_io_thread; | |
02130314 PX |
1169 | } |
1170 | ||
cf869d53 | 1171 | /* |
279f9e08 MA |
1172 | * Accept QMP capabilities in @list for @mon. |
1173 | * On success, set mon->qmp.capab[], and return true. | |
1174 | * On error, set @errp, and return false. | |
cf869d53 | 1175 | */ |
279f9e08 MA |
1176 | static bool qmp_caps_accept(Monitor *mon, QMPCapabilityList *list, |
1177 | Error **errp) | |
cf869d53 | 1178 | { |
279f9e08 MA |
1179 | GString *unavailable = NULL; |
1180 | bool capab[QMP_CAPABILITY__MAX]; | |
cf869d53 | 1181 | |
279f9e08 | 1182 | memset(capab, 0, sizeof(capab)); |
cf869d53 | 1183 | |
02130314 | 1184 | for (; list; list = list->next) { |
279f9e08 MA |
1185 | if (!mon->qmp.capab_offered[list->value]) { |
1186 | if (!unavailable) { | |
1187 | unavailable = g_string_new(QMPCapability_str(list->value)); | |
1188 | } else { | |
1189 | g_string_append_printf(unavailable, ", %s", | |
1190 | QMPCapability_str(list->value)); | |
02130314 | 1191 | } |
9ddb7456 | 1192 | } |
279f9e08 | 1193 | capab[list->value] = true; |
cf869d53 PX |
1194 | } |
1195 | ||
279f9e08 MA |
1196 | if (unavailable) { |
1197 | error_setg(errp, "Capability %s not available", unavailable->str); | |
1198 | g_string_free(unavailable, true); | |
1199 | return false; | |
cf869d53 PX |
1200 | } |
1201 | ||
279f9e08 | 1202 | memcpy(mon->qmp.capab, capab, sizeof(capab)); |
cf869d53 PX |
1203 | return true; |
1204 | } | |
1205 | ||
02130314 PX |
1206 | void qmp_qmp_capabilities(bool has_enable, QMPCapabilityList *enable, |
1207 | Error **errp) | |
1208 | { | |
635db18f MA |
1209 | if (cur_mon->qmp.commands == &qmp_commands) { |
1210 | error_set(errp, ERROR_CLASS_COMMAND_NOT_FOUND, | |
1211 | "Capabilities negotiation is already complete, command " | |
1212 | "ignored"); | |
1213 | return; | |
1214 | } | |
1215 | ||
279f9e08 MA |
1216 | if (!qmp_caps_accept(cur_mon, enable, errp)) { |
1217 | return; | |
02130314 PX |
1218 | } |
1219 | ||
635db18f | 1220 | cur_mon->qmp.commands = &qmp_commands; |
edcfaefe MAL |
1221 | } |
1222 | ||
d9f25280 | 1223 | /* Set the current CPU defined by the user. Callers must hold BQL. */ |
b025c8b4 | 1224 | int monitor_set_cpu(int cpu_index) |
6a00d601 | 1225 | { |
55e5c285 | 1226 | CPUState *cpu; |
6a00d601 | 1227 | |
1c8bb3cc AF |
1228 | cpu = qemu_get_cpu(cpu_index); |
1229 | if (cpu == NULL) { | |
1230 | return -1; | |
6a00d601 | 1231 | } |
751f8cfe GK |
1232 | g_free(cur_mon->mon_cpu_path); |
1233 | cur_mon->mon_cpu_path = object_get_canonical_path(OBJECT(cpu)); | |
1c8bb3cc | 1234 | return 0; |
6a00d601 FB |
1235 | } |
1236 | ||
d9f25280 | 1237 | /* Callers must hold BQL. */ |
137b5cb6 | 1238 | static CPUState *mon_get_cpu_sync(bool synchronize) |
6a00d601 | 1239 | { |
751f8cfe GK |
1240 | CPUState *cpu; |
1241 | ||
1242 | if (cur_mon->mon_cpu_path) { | |
1243 | cpu = (CPUState *) object_resolve_path_type(cur_mon->mon_cpu_path, | |
1244 | TYPE_CPU, NULL); | |
1245 | if (!cpu) { | |
1246 | g_free(cur_mon->mon_cpu_path); | |
1247 | cur_mon->mon_cpu_path = NULL; | |
1248 | } | |
1249 | } | |
1250 | if (!cur_mon->mon_cpu_path) { | |
854e67fe TH |
1251 | if (!first_cpu) { |
1252 | return NULL; | |
1253 | } | |
27a83f8e | 1254 | monitor_set_cpu(first_cpu->cpu_index); |
751f8cfe | 1255 | cpu = first_cpu; |
6a00d601 | 1256 | } |
137b5cb6 VM |
1257 | if (synchronize) { |
1258 | cpu_synchronize_state(cpu); | |
1259 | } | |
751f8cfe | 1260 | return cpu; |
5bcda5f7 PC |
1261 | } |
1262 | ||
137b5cb6 VM |
1263 | CPUState *mon_get_cpu(void) |
1264 | { | |
1265 | return mon_get_cpu_sync(true); | |
1266 | } | |
1267 | ||
bf957284 | 1268 | CPUArchState *mon_get_cpu_env(void) |
5bcda5f7 | 1269 | { |
854e67fe TH |
1270 | CPUState *cs = mon_get_cpu(); |
1271 | ||
1272 | return cs ? cs->env_ptr : NULL; | |
6a00d601 FB |
1273 | } |
1274 | ||
99b7796f LC |
1275 | int monitor_get_cpu_index(void) |
1276 | { | |
137b5cb6 | 1277 | CPUState *cs = mon_get_cpu_sync(false); |
854e67fe TH |
1278 | |
1279 | return cs ? cs->cpu_index : UNASSIGNED_CPU_INDEX; | |
99b7796f LC |
1280 | } |
1281 | ||
1ce6be24 | 1282 | static void hmp_info_registers(Monitor *mon, const QDict *qdict) |
9307c4c1 | 1283 | { |
18f08282 SJS |
1284 | bool all_cpus = qdict_get_try_bool(qdict, "cpustate_all", false); |
1285 | CPUState *cs; | |
854e67fe | 1286 | |
18f08282 SJS |
1287 | if (all_cpus) { |
1288 | CPU_FOREACH(cs) { | |
1289 | monitor_printf(mon, "\nCPU#%d\n", cs->cpu_index); | |
90c84c56 | 1290 | cpu_dump_state(cs, NULL, CPU_DUMP_FPU); |
18f08282 SJS |
1291 | } |
1292 | } else { | |
1293 | cs = mon_get_cpu(); | |
1294 | ||
1295 | if (!cs) { | |
1296 | monitor_printf(mon, "No CPU available\n"); | |
1297 | return; | |
1298 | } | |
1299 | ||
90c84c56 | 1300 | cpu_dump_state(cs, NULL, CPU_DUMP_FPU); |
854e67fe | 1301 | } |
9307c4c1 FB |
1302 | } |
1303 | ||
f0d14a95 | 1304 | #ifdef CONFIG_TCG |
1ce6be24 | 1305 | static void hmp_info_jit(Monitor *mon, const QDict *qdict) |
e3db7226 | 1306 | { |
b7da97ee TH |
1307 | if (!tcg_enabled()) { |
1308 | error_report("JIT information is only available with accel=tcg"); | |
1309 | return; | |
1310 | } | |
1311 | ||
3de2faa9 | 1312 | dump_exec_info(); |
76c86615 | 1313 | dump_drift_info(); |
e3db7226 FB |
1314 | } |
1315 | ||
1ce6be24 | 1316 | static void hmp_info_opcount(Monitor *mon, const QDict *qdict) |
246ae24d | 1317 | { |
d4c51a0a | 1318 | dump_opcount_info(); |
246ae24d | 1319 | } |
f0d14a95 | 1320 | #endif |
246ae24d | 1321 | |
97bfafe2 EC |
1322 | static void hmp_info_sync_profile(Monitor *mon, const QDict *qdict) |
1323 | { | |
1324 | int64_t max = qdict_get_try_int(qdict, "max", 10); | |
1325 | bool mean = qdict_get_try_bool(qdict, "mean", false); | |
1326 | bool coalesce = !qdict_get_try_bool(qdict, "no_coalesce", false); | |
1327 | enum QSPSortBy sort_by; | |
1328 | ||
1329 | sort_by = mean ? QSP_SORT_BY_AVG_WAIT_TIME : QSP_SORT_BY_TOTAL_WAIT_TIME; | |
ac7ff4cf | 1330 | qsp_report(max, sort_by, coalesce); |
97bfafe2 EC |
1331 | } |
1332 | ||
1ce6be24 | 1333 | static void hmp_info_history(Monitor *mon, const QDict *qdict) |
aa455485 FB |
1334 | { |
1335 | int i; | |
7e2515e8 | 1336 | const char *str; |
3b46e624 | 1337 | |
cde76ee1 AL |
1338 | if (!mon->rs) |
1339 | return; | |
7e2515e8 FB |
1340 | i = 0; |
1341 | for(;;) { | |
731b0364 | 1342 | str = readline_get_history(mon->rs, i); |
7e2515e8 FB |
1343 | if (!str) |
1344 | break; | |
376253ec | 1345 | monitor_printf(mon, "%d: '%s'\n", i, str); |
8e3a9fd2 | 1346 | i++; |
aa455485 FB |
1347 | } |
1348 | } | |
1349 | ||
1ce6be24 | 1350 | static void hmp_info_cpustats(Monitor *mon, const QDict *qdict) |
76a66253 | 1351 | { |
854e67fe TH |
1352 | CPUState *cs = mon_get_cpu(); |
1353 | ||
1354 | if (!cs) { | |
1355 | monitor_printf(mon, "No CPU available\n"); | |
1356 | return; | |
1357 | } | |
11cb6c15 | 1358 | cpu_dump_statistics(cs, 0); |
76a66253 | 1359 | } |
76a66253 | 1360 | |
1ce6be24 | 1361 | static void hmp_info_trace_events(Monitor *mon, const QDict *qdict) |
22890ab5 | 1362 | { |
bd71211d | 1363 | const char *name = qdict_get_try_str(qdict, "name"); |
77e2b172 LV |
1364 | bool has_vcpu = qdict_haskey(qdict, "vcpu"); |
1365 | int vcpu = qdict_get_try_int(qdict, "vcpu", 0); | |
bd71211d | 1366 | TraceEventInfoList *events; |
14101d02 | 1367 | TraceEventInfoList *elem; |
bd71211d LV |
1368 | Error *local_err = NULL; |
1369 | ||
1370 | if (name == NULL) { | |
1371 | name = "*"; | |
1372 | } | |
77e2b172 LV |
1373 | if (vcpu < 0) { |
1374 | monitor_printf(mon, "argument vcpu must be positive"); | |
1375 | return; | |
1376 | } | |
bd71211d | 1377 | |
77e2b172 | 1378 | events = qmp_trace_event_get_state(name, has_vcpu, vcpu, &local_err); |
bd71211d LV |
1379 | if (local_err) { |
1380 | error_report_err(local_err); | |
1381 | return; | |
1382 | } | |
14101d02 LV |
1383 | |
1384 | for (elem = events; elem != NULL; elem = elem->next) { | |
1385 | monitor_printf(mon, "%s : state %u\n", | |
1386 | elem->value->name, | |
1387 | elem->value->state == TRACE_EVENT_STATE_ENABLED ? 1 : 0); | |
1388 | } | |
1389 | qapi_free_TraceEventInfoList(events); | |
22890ab5 | 1390 | } |
22890ab5 | 1391 | |
b8a185bc MA |
1392 | void qmp_client_migrate_info(const char *protocol, const char *hostname, |
1393 | bool has_port, int64_t port, | |
1394 | bool has_tls_port, int64_t tls_port, | |
1395 | bool has_cert_subject, const char *cert_subject, | |
1396 | Error **errp) | |
e866e239 | 1397 | { |
e866e239 | 1398 | if (strcmp(protocol, "spice") == 0) { |
b8a185bc MA |
1399 | if (!qemu_using_spice(errp)) { |
1400 | return; | |
e866e239 GH |
1401 | } |
1402 | ||
b8a185bc | 1403 | if (!has_port && !has_tls_port) { |
c6bd8c70 | 1404 | error_setg(errp, QERR_MISSING_PARAMETER, "port/tls-port"); |
b8a185bc | 1405 | return; |
6ec5dae5 YH |
1406 | } |
1407 | ||
b8a185bc MA |
1408 | if (qemu_spice_migrate_info(hostname, |
1409 | has_port ? port : -1, | |
1410 | has_tls_port ? tls_port : -1, | |
1411 | cert_subject)) { | |
c6bd8c70 | 1412 | error_setg(errp, QERR_UNDEFINED_ERROR); |
b8a185bc | 1413 | return; |
e866e239 | 1414 | } |
b8a185bc | 1415 | return; |
e866e239 GH |
1416 | } |
1417 | ||
c6bd8c70 | 1418 | error_setg(errp, QERR_INVALID_PARAMETER_VALUE, "protocol", "spice"); |
e866e239 GH |
1419 | } |
1420 | ||
3e5a50d6 | 1421 | static void hmp_logfile(Monitor *mon, const QDict *qdict) |
e735b91c | 1422 | { |
daa76aa4 MA |
1423 | Error *err = NULL; |
1424 | ||
1425 | qemu_set_log_filename(qdict_get_str(qdict, "filename"), &err); | |
1426 | if (err) { | |
1427 | error_report_err(err); | |
1428 | } | |
e735b91c PB |
1429 | } |
1430 | ||
3e5a50d6 | 1431 | static void hmp_log(Monitor *mon, const QDict *qdict) |
f193c797 FB |
1432 | { |
1433 | int mask; | |
d54908a5 | 1434 | const char *items = qdict_get_str(qdict, "items"); |
3b46e624 | 1435 | |
9307c4c1 | 1436 | if (!strcmp(items, "none")) { |
f193c797 FB |
1437 | mask = 0; |
1438 | } else { | |
4fde1eba | 1439 | mask = qemu_str_to_log_mask(items); |
f193c797 | 1440 | if (!mask) { |
376253ec | 1441 | help_cmd(mon, "log"); |
f193c797 FB |
1442 | return; |
1443 | } | |
1444 | } | |
24537a01 | 1445 | qemu_set_log(mask); |
f193c797 FB |
1446 | } |
1447 | ||
3e5a50d6 | 1448 | static void hmp_singlestep(Monitor *mon, const QDict *qdict) |
1b530a6d | 1449 | { |
d54908a5 | 1450 | const char *option = qdict_get_try_str(qdict, "option"); |
1b530a6d AJ |
1451 | if (!option || !strcmp(option, "on")) { |
1452 | singlestep = 1; | |
1453 | } else if (!strcmp(option, "off")) { | |
1454 | singlestep = 0; | |
1455 | } else { | |
1456 | monitor_printf(mon, "unexpected option %s\n", option); | |
1457 | } | |
1458 | } | |
1459 | ||
3e5a50d6 | 1460 | static void hmp_gdbserver(Monitor *mon, const QDict *qdict) |
59030a8c | 1461 | { |
d54908a5 | 1462 | const char *device = qdict_get_try_str(qdict, "device"); |
59030a8c AL |
1463 | if (!device) |
1464 | device = "tcp::" DEFAULT_GDBSTUB_PORT; | |
1465 | if (gdbserver_start(device) < 0) { | |
1466 | monitor_printf(mon, "Could not open gdbserver on device '%s'\n", | |
1467 | device); | |
1468 | } else if (strcmp(device, "none") == 0) { | |
36556b20 | 1469 | monitor_printf(mon, "Disabled gdbserver\n"); |
8a7ddc38 | 1470 | } else { |
59030a8c AL |
1471 | monitor_printf(mon, "Waiting for gdb connection on device '%s'\n", |
1472 | device); | |
8a7ddc38 FB |
1473 | } |
1474 | } | |
1475 | ||
3e5a50d6 | 1476 | static void hmp_watchdog_action(Monitor *mon, const QDict *qdict) |
9dd986cc | 1477 | { |
d54908a5 | 1478 | const char *action = qdict_get_str(qdict, "action"); |
9dd986cc RJ |
1479 | if (select_watchdog_action(action) == -1) { |
1480 | monitor_printf(mon, "Unknown watchdog action '%s'\n", action); | |
1481 | } | |
1482 | } | |
1483 | ||
376253ec | 1484 | static void monitor_printc(Monitor *mon, int c) |
9307c4c1 | 1485 | { |
376253ec | 1486 | monitor_printf(mon, "'"); |
9307c4c1 FB |
1487 | switch(c) { |
1488 | case '\'': | |
376253ec | 1489 | monitor_printf(mon, "\\'"); |
9307c4c1 FB |
1490 | break; |
1491 | case '\\': | |
376253ec | 1492 | monitor_printf(mon, "\\\\"); |
9307c4c1 FB |
1493 | break; |
1494 | case '\n': | |
376253ec | 1495 | monitor_printf(mon, "\\n"); |
9307c4c1 FB |
1496 | break; |
1497 | case '\r': | |
376253ec | 1498 | monitor_printf(mon, "\\r"); |
9307c4c1 FB |
1499 | break; |
1500 | default: | |
1501 | if (c >= 32 && c <= 126) { | |
376253ec | 1502 | monitor_printf(mon, "%c", c); |
9307c4c1 | 1503 | } else { |
376253ec | 1504 | monitor_printf(mon, "\\x%02x", c); |
9307c4c1 FB |
1505 | } |
1506 | break; | |
1507 | } | |
376253ec | 1508 | monitor_printf(mon, "'"); |
9307c4c1 FB |
1509 | } |
1510 | ||
376253ec | 1511 | static void memory_dump(Monitor *mon, int count, int format, int wsize, |
a8170e5e | 1512 | hwaddr addr, int is_physical) |
9307c4c1 | 1513 | { |
23842aab | 1514 | int l, line_size, i, max_digits, len; |
9307c4c1 FB |
1515 | uint8_t buf[16]; |
1516 | uint64_t v; | |
854e67fe TH |
1517 | CPUState *cs = mon_get_cpu(); |
1518 | ||
1519 | if (!cs && (format == 'i' || !is_physical)) { | |
1520 | monitor_printf(mon, "Can not dump without CPU\n"); | |
1521 | return; | |
1522 | } | |
9307c4c1 FB |
1523 | |
1524 | if (format == 'i') { | |
1d48474d | 1525 | monitor_disas(mon, cs, addr, count, is_physical); |
9307c4c1 FB |
1526 | return; |
1527 | } | |
1528 | ||
1529 | len = wsize * count; | |
1530 | if (wsize == 1) | |
1531 | line_size = 8; | |
1532 | else | |
1533 | line_size = 16; | |
9307c4c1 FB |
1534 | max_digits = 0; |
1535 | ||
1536 | switch(format) { | |
1537 | case 'o': | |
69db8dfc | 1538 | max_digits = DIV_ROUND_UP(wsize * 8, 3); |
9307c4c1 FB |
1539 | break; |
1540 | default: | |
1541 | case 'x': | |
1542 | max_digits = (wsize * 8) / 4; | |
1543 | break; | |
1544 | case 'u': | |
1545 | case 'd': | |
69db8dfc | 1546 | max_digits = DIV_ROUND_UP(wsize * 8 * 10, 33); |
9307c4c1 FB |
1547 | break; |
1548 | case 'c': | |
1549 | wsize = 1; | |
1550 | break; | |
1551 | } | |
1552 | ||
1553 | while (len > 0) { | |
7743e588 | 1554 | if (is_physical) |
376253ec | 1555 | monitor_printf(mon, TARGET_FMT_plx ":", addr); |
7743e588 | 1556 | else |
376253ec | 1557 | monitor_printf(mon, TARGET_FMT_lx ":", (target_ulong)addr); |
9307c4c1 FB |
1558 | l = len; |
1559 | if (l > line_size) | |
1560 | l = line_size; | |
1561 | if (is_physical) { | |
6f89ae58 PM |
1562 | AddressSpace *as = cs ? cs->as : &address_space_memory; |
1563 | MemTxResult r = address_space_read(as, addr, | |
1564 | MEMTXATTRS_UNSPECIFIED, buf, l); | |
1565 | if (r != MEMTX_OK) { | |
1566 | monitor_printf(mon, " Cannot access memory\n"); | |
1567 | break; | |
1568 | } | |
9307c4c1 | 1569 | } else { |
854e67fe | 1570 | if (cpu_memory_rw_debug(cs, addr, buf, l, 0) < 0) { |
376253ec | 1571 | monitor_printf(mon, " Cannot access memory\n"); |
c8f79b67 AL |
1572 | break; |
1573 | } | |
9307c4c1 | 1574 | } |
5fafdf24 | 1575 | i = 0; |
9307c4c1 FB |
1576 | while (i < l) { |
1577 | switch(wsize) { | |
1578 | default: | |
1579 | case 1: | |
24e60305 | 1580 | v = ldub_p(buf + i); |
9307c4c1 FB |
1581 | break; |
1582 | case 2: | |
24e60305 | 1583 | v = lduw_p(buf + i); |
9307c4c1 FB |
1584 | break; |
1585 | case 4: | |
24e60305 | 1586 | v = (uint32_t)ldl_p(buf + i); |
9307c4c1 FB |
1587 | break; |
1588 | case 8: | |
24e60305 | 1589 | v = ldq_p(buf + i); |
9307c4c1 FB |
1590 | break; |
1591 | } | |
376253ec | 1592 | monitor_printf(mon, " "); |
9307c4c1 FB |
1593 | switch(format) { |
1594 | case 'o': | |
376253ec | 1595 | monitor_printf(mon, "%#*" PRIo64, max_digits, v); |
9307c4c1 FB |
1596 | break; |
1597 | case 'x': | |
376253ec | 1598 | monitor_printf(mon, "0x%0*" PRIx64, max_digits, v); |
9307c4c1 FB |
1599 | break; |
1600 | case 'u': | |
376253ec | 1601 | monitor_printf(mon, "%*" PRIu64, max_digits, v); |
9307c4c1 FB |
1602 | break; |
1603 | case 'd': | |
376253ec | 1604 | monitor_printf(mon, "%*" PRId64, max_digits, v); |
9307c4c1 FB |
1605 | break; |
1606 | case 'c': | |
376253ec | 1607 | monitor_printc(mon, v); |
9307c4c1 FB |
1608 | break; |
1609 | } | |
1610 | i += wsize; | |
1611 | } | |
376253ec | 1612 | monitor_printf(mon, "\n"); |
9307c4c1 FB |
1613 | addr += l; |
1614 | len -= l; | |
1615 | } | |
1616 | } | |
1617 | ||
3e5a50d6 | 1618 | static void hmp_memory_dump(Monitor *mon, const QDict *qdict) |
9307c4c1 | 1619 | { |
1bd1442e LC |
1620 | int count = qdict_get_int(qdict, "count"); |
1621 | int format = qdict_get_int(qdict, "format"); | |
1622 | int size = qdict_get_int(qdict, "size"); | |
1623 | target_long addr = qdict_get_int(qdict, "addr"); | |
1624 | ||
376253ec | 1625 | memory_dump(mon, count, format, size, addr, 0); |
9307c4c1 FB |
1626 | } |
1627 | ||
3e5a50d6 | 1628 | static void hmp_physical_memory_dump(Monitor *mon, const QDict *qdict) |
9307c4c1 | 1629 | { |
1bd1442e LC |
1630 | int count = qdict_get_int(qdict, "count"); |
1631 | int format = qdict_get_int(qdict, "format"); | |
1632 | int size = qdict_get_int(qdict, "size"); | |
a8170e5e | 1633 | hwaddr addr = qdict_get_int(qdict, "addr"); |
1bd1442e | 1634 | |
376253ec | 1635 | memory_dump(mon, count, format, size, addr, 1); |
9307c4c1 FB |
1636 | } |
1637 | ||
e9628441 PB |
1638 | static void *gpa2hva(MemoryRegion **p_mr, hwaddr addr, Error **errp) |
1639 | { | |
1640 | MemoryRegionSection mrs = memory_region_find(get_system_memory(), | |
1641 | addr, 1); | |
1642 | ||
1643 | if (!mrs.mr) { | |
1644 | error_setg(errp, "No memory is mapped at address 0x%" HWADDR_PRIx, addr); | |
1645 | return NULL; | |
1646 | } | |
1647 | ||
1648 | if (!memory_region_is_ram(mrs.mr) && !memory_region_is_romd(mrs.mr)) { | |
1649 | error_setg(errp, "Memory at address 0x%" HWADDR_PRIx "is not RAM", addr); | |
1650 | memory_region_unref(mrs.mr); | |
1651 | return NULL; | |
1652 | } | |
1653 | ||
1654 | *p_mr = mrs.mr; | |
1655 | return qemu_map_ram_ptr(mrs.mr->ram_block, mrs.offset_within_region); | |
1656 | } | |
1657 | ||
1658 | static void hmp_gpa2hva(Monitor *mon, const QDict *qdict) | |
1659 | { | |
1660 | hwaddr addr = qdict_get_int(qdict, "addr"); | |
1661 | Error *local_err = NULL; | |
1662 | MemoryRegion *mr = NULL; | |
1663 | void *ptr; | |
1664 | ||
1665 | ptr = gpa2hva(&mr, addr, &local_err); | |
1666 | if (local_err) { | |
1667 | error_report_err(local_err); | |
1668 | return; | |
1669 | } | |
1670 | ||
1671 | monitor_printf(mon, "Host virtual address for 0x%" HWADDR_PRIx | |
1672 | " (%s) is %p\n", | |
1673 | addr, mr->name, ptr); | |
1674 | ||
1675 | memory_region_unref(mr); | |
1676 | } | |
1677 | ||
574d9693 DDAG |
1678 | static void hmp_gva2gpa(Monitor *mon, const QDict *qdict) |
1679 | { | |
1680 | target_ulong addr = qdict_get_int(qdict, "addr"); | |
1681 | MemTxAttrs attrs; | |
1682 | CPUState *cs = mon_get_cpu(); | |
1683 | hwaddr gpa; | |
1684 | ||
1685 | if (!cs) { | |
1686 | monitor_printf(mon, "No cpu\n"); | |
1687 | return; | |
1688 | } | |
1689 | ||
9d3250d5 | 1690 | gpa = cpu_get_phys_page_attrs_debug(cs, addr & TARGET_PAGE_MASK, &attrs); |
574d9693 DDAG |
1691 | if (gpa == -1) { |
1692 | monitor_printf(mon, "Unmapped\n"); | |
1693 | } else { | |
1694 | monitor_printf(mon, "gpa: %#" HWADDR_PRIx "\n", | |
1695 | gpa + (addr & ~TARGET_PAGE_MASK)); | |
1696 | } | |
1697 | } | |
1698 | ||
e9628441 PB |
1699 | #ifdef CONFIG_LINUX |
1700 | static uint64_t vtop(void *ptr, Error **errp) | |
1701 | { | |
1702 | uint64_t pinfo; | |
1703 | uint64_t ret = -1; | |
1704 | uintptr_t addr = (uintptr_t) ptr; | |
1705 | uintptr_t pagesize = getpagesize(); | |
1706 | off_t offset = addr / pagesize * sizeof(pinfo); | |
1707 | int fd; | |
1708 | ||
1709 | fd = open("/proc/self/pagemap", O_RDONLY); | |
1710 | if (fd == -1) { | |
1711 | error_setg_errno(errp, errno, "Cannot open /proc/self/pagemap"); | |
1712 | return -1; | |
1713 | } | |
1714 | ||
1715 | /* Force copy-on-write if necessary. */ | |
1716 | atomic_add((uint8_t *)ptr, 0); | |
1717 | ||
1718 | if (pread(fd, &pinfo, sizeof(pinfo), offset) != sizeof(pinfo)) { | |
1719 | error_setg_errno(errp, errno, "Cannot read pagemap"); | |
1720 | goto out; | |
1721 | } | |
1722 | if ((pinfo & (1ull << 63)) == 0) { | |
1723 | error_setg(errp, "Page not present"); | |
1724 | goto out; | |
1725 | } | |
1726 | ret = ((pinfo & 0x007fffffffffffffull) * pagesize) | (addr & (pagesize - 1)); | |
1727 | ||
1728 | out: | |
1729 | close(fd); | |
1730 | return ret; | |
1731 | } | |
1732 | ||
1733 | static void hmp_gpa2hpa(Monitor *mon, const QDict *qdict) | |
1734 | { | |
1735 | hwaddr addr = qdict_get_int(qdict, "addr"); | |
1736 | Error *local_err = NULL; | |
1737 | MemoryRegion *mr = NULL; | |
1738 | void *ptr; | |
1739 | uint64_t physaddr; | |
1740 | ||
1741 | ptr = gpa2hva(&mr, addr, &local_err); | |
1742 | if (local_err) { | |
1743 | error_report_err(local_err); | |
1744 | return; | |
1745 | } | |
1746 | ||
1747 | physaddr = vtop(ptr, &local_err); | |
1748 | if (local_err) { | |
1749 | error_report_err(local_err); | |
1750 | } else { | |
1751 | monitor_printf(mon, "Host physical address for 0x%" HWADDR_PRIx | |
1752 | " (%s) is 0x%" PRIx64 "\n", | |
1753 | addr, mr->name, (uint64_t) physaddr); | |
1754 | } | |
1755 | ||
1756 | memory_region_unref(mr); | |
1757 | } | |
1758 | #endif | |
1759 | ||
1bd1442e | 1760 | static void do_print(Monitor *mon, const QDict *qdict) |
9307c4c1 | 1761 | { |
1bd1442e | 1762 | int format = qdict_get_int(qdict, "format"); |
a8170e5e | 1763 | hwaddr val = qdict_get_int(qdict, "val"); |
1bd1442e | 1764 | |
9307c4c1 FB |
1765 | switch(format) { |
1766 | case 'o': | |
a8170e5e | 1767 | monitor_printf(mon, "%#" HWADDR_PRIo, val); |
9307c4c1 FB |
1768 | break; |
1769 | case 'x': | |
a8170e5e | 1770 | monitor_printf(mon, "%#" HWADDR_PRIx, val); |
9307c4c1 FB |
1771 | break; |
1772 | case 'u': | |
a8170e5e | 1773 | monitor_printf(mon, "%" HWADDR_PRIu, val); |
9307c4c1 FB |
1774 | break; |
1775 | default: | |
1776 | case 'd': | |
a8170e5e | 1777 | monitor_printf(mon, "%" HWADDR_PRId, val); |
9307c4c1 FB |
1778 | break; |
1779 | case 'c': | |
376253ec | 1780 | monitor_printc(mon, val); |
9307c4c1 FB |
1781 | break; |
1782 | } | |
376253ec | 1783 | monitor_printf(mon, "\n"); |
9307c4c1 FB |
1784 | } |
1785 | ||
3e5a50d6 | 1786 | static void hmp_sum(Monitor *mon, const QDict *qdict) |
e4cf1adc FB |
1787 | { |
1788 | uint32_t addr; | |
e4cf1adc | 1789 | uint16_t sum; |
f18c16de LC |
1790 | uint32_t start = qdict_get_int(qdict, "start"); |
1791 | uint32_t size = qdict_get_int(qdict, "size"); | |
e4cf1adc FB |
1792 | |
1793 | sum = 0; | |
1794 | for(addr = start; addr < (start + size); addr++) { | |
42874d3a PM |
1795 | uint8_t val = address_space_ldub(&address_space_memory, addr, |
1796 | MEMTXATTRS_UNSPECIFIED, NULL); | |
e4cf1adc FB |
1797 | /* BSD sum algorithm ('sum' Unix command) */ |
1798 | sum = (sum >> 1) | (sum << 15); | |
54f7b4a3 | 1799 | sum += val; |
e4cf1adc | 1800 | } |
376253ec | 1801 | monitor_printf(mon, "%05d\n", sum); |
e4cf1adc FB |
1802 | } |
1803 | ||
13224a87 FB |
1804 | static int mouse_button_state; |
1805 | ||
3e5a50d6 | 1806 | static void hmp_mouse_move(Monitor *mon, const QDict *qdict) |
13224a87 | 1807 | { |
c751a74a | 1808 | int dx, dy, dz, button; |
1d4daa91 LC |
1809 | const char *dx_str = qdict_get_str(qdict, "dx_str"); |
1810 | const char *dy_str = qdict_get_str(qdict, "dy_str"); | |
1811 | const char *dz_str = qdict_get_try_str(qdict, "dz_str"); | |
c751a74a | 1812 | |
13224a87 FB |
1813 | dx = strtol(dx_str, NULL, 0); |
1814 | dy = strtol(dy_str, NULL, 0); | |
c751a74a GH |
1815 | qemu_input_queue_rel(NULL, INPUT_AXIS_X, dx); |
1816 | qemu_input_queue_rel(NULL, INPUT_AXIS_Y, dy); | |
1817 | ||
1818 | if (dz_str) { | |
13224a87 | 1819 | dz = strtol(dz_str, NULL, 0); |
c751a74a | 1820 | if (dz != 0) { |
f22d0af0 | 1821 | button = (dz > 0) ? INPUT_BUTTON_WHEEL_UP : INPUT_BUTTON_WHEEL_DOWN; |
c751a74a GH |
1822 | qemu_input_queue_btn(NULL, button, true); |
1823 | qemu_input_event_sync(); | |
1824 | qemu_input_queue_btn(NULL, button, false); | |
1825 | } | |
1826 | } | |
1827 | qemu_input_event_sync(); | |
13224a87 FB |
1828 | } |
1829 | ||
3e5a50d6 | 1830 | static void hmp_mouse_button(Monitor *mon, const QDict *qdict) |
13224a87 | 1831 | { |
7fb1cf16 | 1832 | static uint32_t bmap[INPUT_BUTTON__MAX] = { |
c751a74a GH |
1833 | [INPUT_BUTTON_LEFT] = MOUSE_EVENT_LBUTTON, |
1834 | [INPUT_BUTTON_MIDDLE] = MOUSE_EVENT_MBUTTON, | |
1835 | [INPUT_BUTTON_RIGHT] = MOUSE_EVENT_RBUTTON, | |
1836 | }; | |
d54908a5 | 1837 | int button_state = qdict_get_int(qdict, "button_state"); |
c751a74a GH |
1838 | |
1839 | if (mouse_button_state == button_state) { | |
1840 | return; | |
1841 | } | |
1842 | qemu_input_update_buttons(NULL, bmap, mouse_button_state, button_state); | |
1843 | qemu_input_event_sync(); | |
13224a87 | 1844 | mouse_button_state = button_state; |
13224a87 FB |
1845 | } |
1846 | ||
3e5a50d6 | 1847 | static void hmp_ioport_read(Monitor *mon, const QDict *qdict) |
3440557b | 1848 | { |
aa93e39c LC |
1849 | int size = qdict_get_int(qdict, "size"); |
1850 | int addr = qdict_get_int(qdict, "addr"); | |
1851 | int has_index = qdict_haskey(qdict, "index"); | |
3440557b FB |
1852 | uint32_t val; |
1853 | int suffix; | |
1854 | ||
1855 | if (has_index) { | |
aa93e39c | 1856 | int index = qdict_get_int(qdict, "index"); |
afcea8cb | 1857 | cpu_outb(addr & IOPORTS_MASK, index & 0xff); |
3440557b FB |
1858 | addr++; |
1859 | } | |
1860 | addr &= 0xffff; | |
1861 | ||
1862 | switch(size) { | |
1863 | default: | |
1864 | case 1: | |
afcea8cb | 1865 | val = cpu_inb(addr); |
3440557b FB |
1866 | suffix = 'b'; |
1867 | break; | |
1868 | case 2: | |
afcea8cb | 1869 | val = cpu_inw(addr); |
3440557b FB |
1870 | suffix = 'w'; |
1871 | break; | |
1872 | case 4: | |
afcea8cb | 1873 | val = cpu_inl(addr); |
3440557b FB |
1874 | suffix = 'l'; |
1875 | break; | |
1876 | } | |
376253ec AL |
1877 | monitor_printf(mon, "port%c[0x%04x] = %#0*x\n", |
1878 | suffix, addr, size * 2, val); | |
3440557b | 1879 | } |
a3a91a35 | 1880 | |
3e5a50d6 | 1881 | static void hmp_ioport_write(Monitor *mon, const QDict *qdict) |
f114784f | 1882 | { |
1bd1442e LC |
1883 | int size = qdict_get_int(qdict, "size"); |
1884 | int addr = qdict_get_int(qdict, "addr"); | |
1885 | int val = qdict_get_int(qdict, "val"); | |
1886 | ||
f114784f JK |
1887 | addr &= IOPORTS_MASK; |
1888 | ||
1889 | switch (size) { | |
1890 | default: | |
1891 | case 1: | |
afcea8cb | 1892 | cpu_outb(addr, val); |
f114784f JK |
1893 | break; |
1894 | case 2: | |
afcea8cb | 1895 | cpu_outw(addr, val); |
f114784f JK |
1896 | break; |
1897 | case 4: | |
afcea8cb | 1898 | cpu_outl(addr, val); |
f114784f JK |
1899 | break; |
1900 | } | |
1901 | } | |
1902 | ||
3e5a50d6 | 1903 | static void hmp_boot_set(Monitor *mon, const QDict *qdict) |
0ecdffbb | 1904 | { |
f1839938 | 1905 | Error *local_err = NULL; |
d54908a5 | 1906 | const char *bootdevice = qdict_get_str(qdict, "bootdevice"); |
0ecdffbb | 1907 | |
f1839938 GA |
1908 | qemu_boot_set(bootdevice, &local_err); |
1909 | if (local_err) { | |
193227f9 | 1910 | error_report_err(local_err); |
0ecdffbb | 1911 | } else { |
f1839938 | 1912 | monitor_printf(mon, "boot device list now set to %s\n", bootdevice); |
0ecdffbb AJ |
1913 | } |
1914 | } | |
1915 | ||
1ce6be24 | 1916 | static void hmp_info_mtree(Monitor *mon, const QDict *qdict) |
314e2987 | 1917 | { |
57bb40c9 | 1918 | bool flatview = qdict_get_try_bool(qdict, "flatview", false); |
5e8fd947 | 1919 | bool dispatch_tree = qdict_get_try_bool(qdict, "dispatch_tree", false); |
fc051ae6 | 1920 | bool owner = qdict_get_try_bool(qdict, "owner", false); |
57bb40c9 | 1921 | |
b6b71cb5 | 1922 | mtree_info(flatview, dispatch_tree, owner); |
314e2987 BS |
1923 | } |
1924 | ||
1ce6be24 | 1925 | static void hmp_info_numa(Monitor *mon, const QDict *qdict) |
030ea37b | 1926 | { |
b28b6230 | 1927 | int i; |
31959e82 | 1928 | NumaNodeMem *node_mem; |
f75cd44d | 1929 | CpuInfoList *cpu_list, *cpu; |
030ea37b | 1930 | |
f75cd44d | 1931 | cpu_list = qmp_query_cpus(&error_abort); |
31959e82 VG |
1932 | node_mem = g_new0(NumaNodeMem, nb_numa_nodes); |
1933 | ||
5b009e40 | 1934 | query_numa_node_mem(node_mem); |
030ea37b AL |
1935 | monitor_printf(mon, "%d nodes\n", nb_numa_nodes); |
1936 | for (i = 0; i < nb_numa_nodes; i++) { | |
1937 | monitor_printf(mon, "node %d cpus:", i); | |
f75cd44d IM |
1938 | for (cpu = cpu_list; cpu; cpu = cpu->next) { |
1939 | if (cpu->value->has_props && cpu->value->props->has_node_id && | |
1940 | cpu->value->props->node_id == i) { | |
1941 | monitor_printf(mon, " %" PRIi64, cpu->value->CPU); | |
030ea37b AL |
1942 | } |
1943 | } | |
1944 | monitor_printf(mon, "\n"); | |
1945 | monitor_printf(mon, "node %d size: %" PRId64 " MB\n", i, | |
31959e82 VG |
1946 | node_mem[i].node_mem >> 20); |
1947 | monitor_printf(mon, "node %d plugged: %" PRId64 " MB\n", i, | |
1948 | node_mem[i].node_plugged_mem >> 20); | |
030ea37b | 1949 | } |
f75cd44d | 1950 | qapi_free_CpuInfoList(cpu_list); |
5b009e40 | 1951 | g_free(node_mem); |
030ea37b AL |
1952 | } |
1953 | ||
5f1ce948 FB |
1954 | #ifdef CONFIG_PROFILER |
1955 | ||
e9a6625e AJ |
1956 | int64_t dev_time; |
1957 | ||
1ce6be24 | 1958 | static void hmp_info_profile(Monitor *mon, const QDict *qdict) |
5f1ce948 | 1959 | { |
72fd2efb EC |
1960 | static int64_t last_cpu_exec_time; |
1961 | int64_t cpu_exec_time; | |
1962 | int64_t delta; | |
1963 | ||
1964 | cpu_exec_time = tcg_cpu_exec_time(); | |
1965 | delta = cpu_exec_time - last_cpu_exec_time; | |
1966 | ||
376253ec | 1967 | monitor_printf(mon, "async time %" PRId64 " (%0.3f)\n", |
73bcb24d | 1968 | dev_time, dev_time / (double)NANOSECONDS_PER_SECOND); |
376253ec | 1969 | monitor_printf(mon, "qemu time %" PRId64 " (%0.3f)\n", |
72fd2efb EC |
1970 | delta, delta / (double)NANOSECONDS_PER_SECOND); |
1971 | last_cpu_exec_time = cpu_exec_time; | |
5f1ce948 | 1972 | dev_time = 0; |
5f1ce948 FB |
1973 | } |
1974 | #else | |
1ce6be24 | 1975 | static void hmp_info_profile(Monitor *mon, const QDict *qdict) |
5f1ce948 | 1976 | { |
376253ec | 1977 | monitor_printf(mon, "Internal profiler not compiled\n"); |
5f1ce948 FB |
1978 | } |
1979 | #endif | |
1980 | ||
ec36b695 | 1981 | /* Capture support */ |
72cf2d4f | 1982 | static QLIST_HEAD (capture_list_head, CaptureState) capture_head; |
ec36b695 | 1983 | |
1ce6be24 | 1984 | static void hmp_info_capture(Monitor *mon, const QDict *qdict) |
ec36b695 FB |
1985 | { |
1986 | int i; | |
1987 | CaptureState *s; | |
1988 | ||
1989 | for (s = capture_head.lh_first, i = 0; s; s = s->entries.le_next, ++i) { | |
376253ec | 1990 | monitor_printf(mon, "[%d]: ", i); |
ec36b695 FB |
1991 | s->ops.info (s->opaque); |
1992 | } | |
1993 | } | |
1994 | ||
3e5a50d6 | 1995 | static void hmp_stopcapture(Monitor *mon, const QDict *qdict) |
ec36b695 FB |
1996 | { |
1997 | int i; | |
d54908a5 | 1998 | int n = qdict_get_int(qdict, "n"); |
ec36b695 FB |
1999 | CaptureState *s; |
2000 | ||
2001 | for (s = capture_head.lh_first, i = 0; s; s = s->entries.le_next, ++i) { | |
2002 | if (i == n) { | |
2003 | s->ops.destroy (s->opaque); | |
72cf2d4f | 2004 | QLIST_REMOVE (s, entries); |
7267c094 | 2005 | g_free (s); |
ec36b695 FB |
2006 | return; |
2007 | } | |
2008 | } | |
2009 | } | |
2010 | ||
3e5a50d6 | 2011 | static void hmp_wavcapture(Monitor *mon, const QDict *qdict) |
c1925484 LC |
2012 | { |
2013 | const char *path = qdict_get_str(qdict, "path"); | |
2014 | int has_freq = qdict_haskey(qdict, "freq"); | |
2015 | int freq = qdict_get_try_int(qdict, "freq", -1); | |
2016 | int has_bits = qdict_haskey(qdict, "bits"); | |
2017 | int bits = qdict_get_try_int(qdict, "bits", -1); | |
2018 | int has_channels = qdict_haskey(qdict, "nchannels"); | |
2019 | int nchannels = qdict_get_try_int(qdict, "nchannels", -1); | |
ec36b695 FB |
2020 | CaptureState *s; |
2021 | ||
7267c094 | 2022 | s = g_malloc0 (sizeof (*s)); |
ec36b695 FB |
2023 | |
2024 | freq = has_freq ? freq : 44100; | |
2025 | bits = has_bits ? bits : 16; | |
2026 | nchannels = has_channels ? nchannels : 2; | |
2027 | ||
2028 | if (wav_start_capture (s, path, freq, bits, nchannels)) { | |
d00b2618 | 2029 | monitor_printf(mon, "Failed to add wave capture\n"); |
7267c094 | 2030 | g_free (s); |
d00b2618 | 2031 | return; |
ec36b695 | 2032 | } |
72cf2d4f | 2033 | QLIST_INSERT_HEAD (&capture_head, s, entries); |
ec36b695 | 2034 | } |
ec36b695 | 2035 | |
b76806d4 | 2036 | static QAuthZList *find_auth(Monitor *mon, const char *name) |
76655d6d | 2037 | { |
b76806d4 DB |
2038 | Object *obj; |
2039 | Object *container; | |
76655d6d | 2040 | |
b76806d4 DB |
2041 | container = object_get_objects_root(); |
2042 | obj = object_resolve_path_component(container, name); | |
2043 | if (!obj) { | |
15dfcd45 | 2044 | monitor_printf(mon, "acl: unknown list '%s'\n", name); |
b76806d4 | 2045 | return NULL; |
76655d6d | 2046 | } |
b76806d4 DB |
2047 | |
2048 | return QAUTHZ_LIST(obj); | |
15dfcd45 JK |
2049 | } |
2050 | ||
01438407 DB |
2051 | static bool warn_acl; |
2052 | static void hmp_warn_acl(void) | |
2053 | { | |
2054 | if (warn_acl) { | |
2055 | return; | |
2056 | } | |
2057 | error_report("The acl_show, acl_reset, acl_policy, acl_add, acl_remove " | |
2058 | "commands are deprecated with no replacement. Authorization " | |
2059 | "for VNC should be performed using the pluggable QAuthZ " | |
2060 | "objects"); | |
2061 | warn_acl = true; | |
2062 | } | |
2063 | ||
3e5a50d6 | 2064 | static void hmp_acl_show(Monitor *mon, const QDict *qdict) |
15dfcd45 | 2065 | { |
d54908a5 | 2066 | const char *aclname = qdict_get_str(qdict, "aclname"); |
b76806d4 DB |
2067 | QAuthZList *auth = find_auth(mon, aclname); |
2068 | QAuthZListRuleList *rules; | |
2069 | size_t i = 0; | |
2070 | ||
01438407 DB |
2071 | hmp_warn_acl(); |
2072 | ||
b76806d4 DB |
2073 | if (!auth) { |
2074 | return; | |
2075 | } | |
2076 | ||
2077 | monitor_printf(mon, "policy: %s\n", | |
2078 | QAuthZListPolicy_str(auth->policy)); | |
2079 | ||
2080 | rules = auth->rules; | |
2081 | while (rules) { | |
2082 | QAuthZListRule *rule = rules->value; | |
2083 | i++; | |
2084 | monitor_printf(mon, "%zu: %s %s\n", i, | |
2085 | QAuthZListPolicy_str(rule->policy), | |
2086 | rule->match); | |
2087 | rules = rules->next; | |
15dfcd45 JK |
2088 | } |
2089 | } | |
2090 | ||
3e5a50d6 | 2091 | static void hmp_acl_reset(Monitor *mon, const QDict *qdict) |
15dfcd45 | 2092 | { |
d54908a5 | 2093 | const char *aclname = qdict_get_str(qdict, "aclname"); |
b76806d4 | 2094 | QAuthZList *auth = find_auth(mon, aclname); |
15dfcd45 | 2095 | |
01438407 DB |
2096 | hmp_warn_acl(); |
2097 | ||
b76806d4 DB |
2098 | if (!auth) { |
2099 | return; | |
15dfcd45 | 2100 | } |
b76806d4 DB |
2101 | |
2102 | auth->policy = QAUTHZ_LIST_POLICY_DENY; | |
2103 | qapi_free_QAuthZListRuleList(auth->rules); | |
2104 | auth->rules = NULL; | |
2105 | monitor_printf(mon, "acl: removed all rules\n"); | |
15dfcd45 JK |
2106 | } |
2107 | ||
3e5a50d6 | 2108 | static void hmp_acl_policy(Monitor *mon, const QDict *qdict) |
15dfcd45 | 2109 | { |
f18c16de LC |
2110 | const char *aclname = qdict_get_str(qdict, "aclname"); |
2111 | const char *policy = qdict_get_str(qdict, "policy"); | |
b76806d4 DB |
2112 | QAuthZList *auth = find_auth(mon, aclname); |
2113 | int val; | |
2114 | Error *err = NULL; | |
28a76be8 | 2115 | |
01438407 DB |
2116 | hmp_warn_acl(); |
2117 | ||
b76806d4 DB |
2118 | if (!auth) { |
2119 | return; | |
2120 | } | |
2121 | ||
2122 | val = qapi_enum_parse(&QAuthZListPolicy_lookup, | |
2123 | policy, | |
2124 | QAUTHZ_LIST_POLICY_DENY, | |
2125 | &err); | |
2126 | if (err) { | |
2127 | error_free(err); | |
2128 | monitor_printf(mon, "acl: unknown policy '%s', " | |
2129 | "expected 'deny' or 'allow'\n", policy); | |
2130 | } else { | |
2131 | auth->policy = val; | |
2132 | if (auth->policy == QAUTHZ_LIST_POLICY_ALLOW) { | |
28a76be8 | 2133 | monitor_printf(mon, "acl: policy set to 'allow'\n"); |
28a76be8 | 2134 | } else { |
b76806d4 | 2135 | monitor_printf(mon, "acl: policy set to 'deny'\n"); |
28a76be8 | 2136 | } |
15dfcd45 JK |
2137 | } |
2138 | } | |
28a76be8 | 2139 | |
b76806d4 DB |
2140 | static QAuthZListFormat hmp_acl_get_format(const char *match) |
2141 | { | |
2142 | if (strchr(match, '*')) { | |
2143 | return QAUTHZ_LIST_FORMAT_GLOB; | |
2144 | } else { | |
2145 | return QAUTHZ_LIST_FORMAT_EXACT; | |
2146 | } | |
2147 | } | |
2148 | ||
3e5a50d6 | 2149 | static void hmp_acl_add(Monitor *mon, const QDict *qdict) |
15dfcd45 | 2150 | { |
1bd1442e LC |
2151 | const char *aclname = qdict_get_str(qdict, "aclname"); |
2152 | const char *match = qdict_get_str(qdict, "match"); | |
b76806d4 | 2153 | const char *policystr = qdict_get_str(qdict, "policy"); |
1bd1442e LC |
2154 | int has_index = qdict_haskey(qdict, "index"); |
2155 | int index = qdict_get_try_int(qdict, "index", -1); | |
b76806d4 DB |
2156 | QAuthZList *auth = find_auth(mon, aclname); |
2157 | Error *err = NULL; | |
2158 | QAuthZListPolicy policy; | |
2159 | QAuthZListFormat format; | |
2160 | size_t i = 0; | |
2161 | ||
01438407 DB |
2162 | hmp_warn_acl(); |
2163 | ||
b76806d4 DB |
2164 | if (!auth) { |
2165 | return; | |
2166 | } | |
2167 | ||
2168 | policy = qapi_enum_parse(&QAuthZListPolicy_lookup, | |
2169 | policystr, | |
2170 | QAUTHZ_LIST_POLICY_DENY, | |
2171 | &err); | |
2172 | if (err) { | |
2173 | error_free(err); | |
2174 | monitor_printf(mon, "acl: unknown policy '%s', " | |
2175 | "expected 'deny' or 'allow'\n", policystr); | |
2176 | return; | |
2177 | } | |
2178 | ||
2179 | format = hmp_acl_get_format(match); | |
2180 | ||
2181 | if (has_index && index == 0) { | |
2182 | monitor_printf(mon, "acl: unable to add acl entry\n"); | |
2183 | return; | |
2184 | } | |
2185 | ||
2186 | if (has_index) { | |
2187 | i = qauthz_list_insert_rule(auth, match, policy, | |
2188 | format, index - 1, &err); | |
2189 | } else { | |
2190 | i = qauthz_list_append_rule(auth, match, policy, | |
2191 | format, &err); | |
2192 | } | |
2193 | if (err) { | |
2194 | monitor_printf(mon, "acl: unable to add rule: %s", | |
2195 | error_get_pretty(err)); | |
2196 | error_free(err); | |
2197 | } else { | |
2198 | monitor_printf(mon, "acl: added rule at position %zu\n", i + 1); | |
15dfcd45 JK |
2199 | } |
2200 | } | |
28a76be8 | 2201 | |
3e5a50d6 | 2202 | static void hmp_acl_remove(Monitor *mon, const QDict *qdict) |
15dfcd45 | 2203 | { |
f18c16de LC |
2204 | const char *aclname = qdict_get_str(qdict, "aclname"); |
2205 | const char *match = qdict_get_str(qdict, "match"); | |
b76806d4 DB |
2206 | QAuthZList *auth = find_auth(mon, aclname); |
2207 | ssize_t i = 0; | |
28a76be8 | 2208 | |
01438407 DB |
2209 | hmp_warn_acl(); |
2210 | ||
b76806d4 DB |
2211 | if (!auth) { |
2212 | return; | |
2213 | } | |
2214 | ||
2215 | i = qauthz_list_delete_rule(auth, match); | |
2216 | if (i >= 0) { | |
2217 | monitor_printf(mon, "acl: removed rule at position %zu\n", i + 1); | |
2218 | } else { | |
2219 | monitor_printf(mon, "acl: no matching acl entry\n"); | |
76655d6d AL |
2220 | } |
2221 | } | |
2222 | ||
208c9d1b | 2223 | void qmp_getfd(const char *fdname, Error **errp) |
f07918fd | 2224 | { |
c227f099 | 2225 | mon_fd_t *monfd; |
9409fc05 | 2226 | int fd, tmp_fd; |
f07918fd | 2227 | |
5345fdb4 | 2228 | fd = qemu_chr_fe_get_msgfd(&cur_mon->chr); |
f07918fd | 2229 | if (fd == -1) { |
c6bd8c70 | 2230 | error_setg(errp, QERR_FD_NOT_SUPPLIED); |
208c9d1b | 2231 | return; |
f07918fd MM |
2232 | } |
2233 | ||
2234 | if (qemu_isdigit(fdname[0])) { | |
0b9f0e2f | 2235 | close(fd); |
c6bd8c70 MA |
2236 | error_setg(errp, QERR_INVALID_PARAMETER_VALUE, "fdname", |
2237 | "a name not starting with a digit"); | |
208c9d1b | 2238 | return; |
f07918fd MM |
2239 | } |
2240 | ||
9409fc05 | 2241 | qemu_mutex_lock(&cur_mon->mon_lock); |
208c9d1b | 2242 | QLIST_FOREACH(monfd, &cur_mon->fds, next) { |
f07918fd MM |
2243 | if (strcmp(monfd->name, fdname) != 0) { |
2244 | continue; | |
2245 | } | |
2246 | ||
9409fc05 | 2247 | tmp_fd = monfd->fd; |
f07918fd | 2248 | monfd->fd = fd; |
9409fc05 | 2249 | qemu_mutex_unlock(&cur_mon->mon_lock); |
774a6b67 | 2250 | /* Make sure close() is outside critical section */ |
9409fc05 | 2251 | close(tmp_fd); |
208c9d1b | 2252 | return; |
f07918fd MM |
2253 | } |
2254 | ||
7267c094 AL |
2255 | monfd = g_malloc0(sizeof(mon_fd_t)); |
2256 | monfd->name = g_strdup(fdname); | |
f07918fd MM |
2257 | monfd->fd = fd; |
2258 | ||
208c9d1b | 2259 | QLIST_INSERT_HEAD(&cur_mon->fds, monfd, next); |
9409fc05 | 2260 | qemu_mutex_unlock(&cur_mon->mon_lock); |
f07918fd MM |
2261 | } |
2262 | ||
208c9d1b | 2263 | void qmp_closefd(const char *fdname, Error **errp) |
f07918fd | 2264 | { |
c227f099 | 2265 | mon_fd_t *monfd; |
9409fc05 | 2266 | int tmp_fd; |
f07918fd | 2267 | |
9409fc05 | 2268 | qemu_mutex_lock(&cur_mon->mon_lock); |
208c9d1b | 2269 | QLIST_FOREACH(monfd, &cur_mon->fds, next) { |
f07918fd MM |
2270 | if (strcmp(monfd->name, fdname) != 0) { |
2271 | continue; | |
2272 | } | |
2273 | ||
72cf2d4f | 2274 | QLIST_REMOVE(monfd, next); |
9409fc05 | 2275 | tmp_fd = monfd->fd; |
7267c094 AL |
2276 | g_free(monfd->name); |
2277 | g_free(monfd); | |
9409fc05 | 2278 | qemu_mutex_unlock(&cur_mon->mon_lock); |
774a6b67 | 2279 | /* Make sure close() is outside critical section */ |
9409fc05 | 2280 | close(tmp_fd); |
208c9d1b | 2281 | return; |
f07918fd MM |
2282 | } |
2283 | ||
9409fc05 | 2284 | qemu_mutex_unlock(&cur_mon->mon_lock); |
c6bd8c70 | 2285 | error_setg(errp, QERR_FD_NOT_FOUND, fdname); |
f07918fd MM |
2286 | } |
2287 | ||
a9940fc4 | 2288 | int monitor_get_fd(Monitor *mon, const char *fdname, Error **errp) |
7768e04c | 2289 | { |
c227f099 | 2290 | mon_fd_t *monfd; |
7768e04c | 2291 | |
9409fc05 | 2292 | qemu_mutex_lock(&mon->mon_lock); |
72cf2d4f | 2293 | QLIST_FOREACH(monfd, &mon->fds, next) { |
7768e04c MM |
2294 | int fd; |
2295 | ||
2296 | if (strcmp(monfd->name, fdname) != 0) { | |
2297 | continue; | |
2298 | } | |
2299 | ||
2300 | fd = monfd->fd; | |
2301 | ||
2302 | /* caller takes ownership of fd */ | |
72cf2d4f | 2303 | QLIST_REMOVE(monfd, next); |
7267c094 AL |
2304 | g_free(monfd->name); |
2305 | g_free(monfd); | |
9409fc05 | 2306 | qemu_mutex_unlock(&mon->mon_lock); |
7768e04c MM |
2307 | |
2308 | return fd; | |
2309 | } | |
2310 | ||
9409fc05 | 2311 | qemu_mutex_unlock(&mon->mon_lock); |
a9940fc4 | 2312 | error_setg(errp, "File descriptor named '%s' has not been found", fdname); |
7768e04c MM |
2313 | return -1; |
2314 | } | |
2315 | ||
ba1c048a CB |
2316 | static void monitor_fdset_cleanup(MonFdset *mon_fdset) |
2317 | { | |
2318 | MonFdsetFd *mon_fdset_fd; | |
2319 | MonFdsetFd *mon_fdset_fd_next; | |
2320 | ||
2321 | QLIST_FOREACH_SAFE(mon_fdset_fd, &mon_fdset->fds, next, mon_fdset_fd_next) { | |
ebe52b59 CB |
2322 | if ((mon_fdset_fd->removed || |
2323 | (QLIST_EMPTY(&mon_fdset->dup_fds) && mon_refcount == 0)) && | |
2324 | runstate_is_running()) { | |
ba1c048a CB |
2325 | close(mon_fdset_fd->fd); |
2326 | g_free(mon_fdset_fd->opaque); | |
2327 | QLIST_REMOVE(mon_fdset_fd, next); | |
2328 | g_free(mon_fdset_fd); | |
2329 | } | |
2330 | } | |
2331 | ||
adb696f3 | 2332 | if (QLIST_EMPTY(&mon_fdset->fds) && QLIST_EMPTY(&mon_fdset->dup_fds)) { |
ba1c048a CB |
2333 | QLIST_REMOVE(mon_fdset, next); |
2334 | g_free(mon_fdset); | |
2335 | } | |
2336 | } | |
2337 | ||
efb87c16 CB |
2338 | static void monitor_fdsets_cleanup(void) |
2339 | { | |
2340 | MonFdset *mon_fdset; | |
2341 | MonFdset *mon_fdset_next; | |
2342 | ||
47451466 | 2343 | qemu_mutex_lock(&mon_fdsets_lock); |
efb87c16 CB |
2344 | QLIST_FOREACH_SAFE(mon_fdset, &mon_fdsets, next, mon_fdset_next) { |
2345 | monitor_fdset_cleanup(mon_fdset); | |
2346 | } | |
47451466 | 2347 | qemu_mutex_unlock(&mon_fdsets_lock); |
efb87c16 CB |
2348 | } |
2349 | ||
ba1c048a CB |
2350 | AddfdInfo *qmp_add_fd(bool has_fdset_id, int64_t fdset_id, bool has_opaque, |
2351 | const char *opaque, Error **errp) | |
2352 | { | |
2353 | int fd; | |
2354 | Monitor *mon = cur_mon; | |
ba1c048a CB |
2355 | AddfdInfo *fdinfo; |
2356 | ||
5345fdb4 | 2357 | fd = qemu_chr_fe_get_msgfd(&mon->chr); |
ba1c048a | 2358 | if (fd == -1) { |
c6bd8c70 | 2359 | error_setg(errp, QERR_FD_NOT_SUPPLIED); |
ba1c048a CB |
2360 | goto error; |
2361 | } | |
2362 | ||
e446f70d CB |
2363 | fdinfo = monitor_fdset_add_fd(fd, has_fdset_id, fdset_id, |
2364 | has_opaque, opaque, errp); | |
2365 | if (fdinfo) { | |
2366 | return fdinfo; | |
ba1c048a | 2367 | } |
ba1c048a CB |
2368 | |
2369 | error: | |
2370 | if (fd != -1) { | |
2371 | close(fd); | |
2372 | } | |
2373 | return NULL; | |
2374 | } | |
2375 | ||
2376 | void qmp_remove_fd(int64_t fdset_id, bool has_fd, int64_t fd, Error **errp) | |
2377 | { | |
2378 | MonFdset *mon_fdset; | |
2379 | MonFdsetFd *mon_fdset_fd; | |
2380 | char fd_str[60]; | |
2381 | ||
47451466 | 2382 | qemu_mutex_lock(&mon_fdsets_lock); |
ba1c048a CB |
2383 | QLIST_FOREACH(mon_fdset, &mon_fdsets, next) { |
2384 | if (mon_fdset->id != fdset_id) { | |
2385 | continue; | |
2386 | } | |
2387 | QLIST_FOREACH(mon_fdset_fd, &mon_fdset->fds, next) { | |
2388 | if (has_fd) { | |
2389 | if (mon_fdset_fd->fd != fd) { | |
2390 | continue; | |
2391 | } | |
2392 | mon_fdset_fd->removed = true; | |
2393 | break; | |
2394 | } else { | |
2395 | mon_fdset_fd->removed = true; | |
2396 | } | |
2397 | } | |
2398 | if (has_fd && !mon_fdset_fd) { | |
2399 | goto error; | |
2400 | } | |
2401 | monitor_fdset_cleanup(mon_fdset); | |
47451466 | 2402 | qemu_mutex_unlock(&mon_fdsets_lock); |
ba1c048a CB |
2403 | return; |
2404 | } | |
2405 | ||
2406 | error: | |
47451466 | 2407 | qemu_mutex_unlock(&mon_fdsets_lock); |
ba1c048a CB |
2408 | if (has_fd) { |
2409 | snprintf(fd_str, sizeof(fd_str), "fdset-id:%" PRId64 ", fd:%" PRId64, | |
2410 | fdset_id, fd); | |
2411 | } else { | |
2412 | snprintf(fd_str, sizeof(fd_str), "fdset-id:%" PRId64, fdset_id); | |
2413 | } | |
c6bd8c70 | 2414 | error_setg(errp, QERR_FD_NOT_FOUND, fd_str); |
ba1c048a CB |
2415 | } |
2416 | ||
2417 | FdsetInfoList *qmp_query_fdsets(Error **errp) | |
2418 | { | |
2419 | MonFdset *mon_fdset; | |
2420 | MonFdsetFd *mon_fdset_fd; | |
2421 | FdsetInfoList *fdset_list = NULL; | |
2422 | ||
47451466 | 2423 | qemu_mutex_lock(&mon_fdsets_lock); |
ba1c048a CB |
2424 | QLIST_FOREACH(mon_fdset, &mon_fdsets, next) { |
2425 | FdsetInfoList *fdset_info = g_malloc0(sizeof(*fdset_info)); | |
2426 | FdsetFdInfoList *fdsetfd_list = NULL; | |
2427 | ||
2428 | fdset_info->value = g_malloc0(sizeof(*fdset_info->value)); | |
2429 | fdset_info->value->fdset_id = mon_fdset->id; | |
2430 | ||
2431 | QLIST_FOREACH(mon_fdset_fd, &mon_fdset->fds, next) { | |
2432 | FdsetFdInfoList *fdsetfd_info; | |
2433 | ||
2434 | fdsetfd_info = g_malloc0(sizeof(*fdsetfd_info)); | |
2435 | fdsetfd_info->value = g_malloc0(sizeof(*fdsetfd_info->value)); | |
2436 | fdsetfd_info->value->fd = mon_fdset_fd->fd; | |
2437 | if (mon_fdset_fd->opaque) { | |
2438 | fdsetfd_info->value->has_opaque = true; | |
2439 | fdsetfd_info->value->opaque = g_strdup(mon_fdset_fd->opaque); | |
2440 | } else { | |
2441 | fdsetfd_info->value->has_opaque = false; | |
2442 | } | |
2443 | ||
2444 | fdsetfd_info->next = fdsetfd_list; | |
2445 | fdsetfd_list = fdsetfd_info; | |
2446 | } | |
2447 | ||
2448 | fdset_info->value->fds = fdsetfd_list; | |
2449 | ||
2450 | fdset_info->next = fdset_list; | |
2451 | fdset_list = fdset_info; | |
2452 | } | |
47451466 | 2453 | qemu_mutex_unlock(&mon_fdsets_lock); |
ba1c048a CB |
2454 | |
2455 | return fdset_list; | |
2456 | } | |
2457 | ||
e446f70d CB |
2458 | AddfdInfo *monitor_fdset_add_fd(int fd, bool has_fdset_id, int64_t fdset_id, |
2459 | bool has_opaque, const char *opaque, | |
2460 | Error **errp) | |
2461 | { | |
2462 | MonFdset *mon_fdset = NULL; | |
2463 | MonFdsetFd *mon_fdset_fd; | |
2464 | AddfdInfo *fdinfo; | |
2465 | ||
47451466 | 2466 | qemu_mutex_lock(&mon_fdsets_lock); |
e446f70d CB |
2467 | if (has_fdset_id) { |
2468 | QLIST_FOREACH(mon_fdset, &mon_fdsets, next) { | |
2469 | /* Break if match found or match impossible due to ordering by ID */ | |
2470 | if (fdset_id <= mon_fdset->id) { | |
2471 | if (fdset_id < mon_fdset->id) { | |
2472 | mon_fdset = NULL; | |
2473 | } | |
2474 | break; | |
2475 | } | |
2476 | } | |
2477 | } | |
2478 | ||
2479 | if (mon_fdset == NULL) { | |
2480 | int64_t fdset_id_prev = -1; | |
2481 | MonFdset *mon_fdset_cur = QLIST_FIRST(&mon_fdsets); | |
2482 | ||
2483 | if (has_fdset_id) { | |
2484 | if (fdset_id < 0) { | |
c6bd8c70 MA |
2485 | error_setg(errp, QERR_INVALID_PARAMETER_VALUE, "fdset-id", |
2486 | "a non-negative value"); | |
47451466 | 2487 | qemu_mutex_unlock(&mon_fdsets_lock); |
e446f70d CB |
2488 | return NULL; |
2489 | } | |
2490 | /* Use specified fdset ID */ | |
2491 | QLIST_FOREACH(mon_fdset, &mon_fdsets, next) { | |
2492 | mon_fdset_cur = mon_fdset; | |
2493 | if (fdset_id < mon_fdset_cur->id) { | |
2494 | break; | |
2495 | } | |
2496 | } | |
2497 | } else { | |
2498 | /* Use first available fdset ID */ | |
2499 | QLIST_FOREACH(mon_fdset, &mon_fdsets, next) { | |
2500 | mon_fdset_cur = mon_fdset; | |
2501 | if (fdset_id_prev == mon_fdset_cur->id - 1) { | |
2502 | fdset_id_prev = mon_fdset_cur->id; | |
2503 | continue; | |
2504 | } | |
2505 | break; | |
2506 | } | |
2507 | } | |
2508 | ||
2509 | mon_fdset = g_malloc0(sizeof(*mon_fdset)); | |
2510 | if (has_fdset_id) { | |
2511 | mon_fdset->id = fdset_id; | |
2512 | } else { | |
2513 | mon_fdset->id = fdset_id_prev + 1; | |
2514 | } | |
2515 | ||
2516 | /* The fdset list is ordered by fdset ID */ | |
2517 | if (!mon_fdset_cur) { | |
2518 | QLIST_INSERT_HEAD(&mon_fdsets, mon_fdset, next); | |
2519 | } else if (mon_fdset->id < mon_fdset_cur->id) { | |
2520 | QLIST_INSERT_BEFORE(mon_fdset_cur, mon_fdset, next); | |
2521 | } else { | |
2522 | QLIST_INSERT_AFTER(mon_fdset_cur, mon_fdset, next); | |
2523 | } | |
2524 | } | |
2525 | ||
2526 | mon_fdset_fd = g_malloc0(sizeof(*mon_fdset_fd)); | |
2527 | mon_fdset_fd->fd = fd; | |
2528 | mon_fdset_fd->removed = false; | |
2529 | if (has_opaque) { | |
2530 | mon_fdset_fd->opaque = g_strdup(opaque); | |
2531 | } | |
2532 | QLIST_INSERT_HEAD(&mon_fdset->fds, mon_fdset_fd, next); | |
2533 | ||
2534 | fdinfo = g_malloc0(sizeof(*fdinfo)); | |
2535 | fdinfo->fdset_id = mon_fdset->id; | |
2536 | fdinfo->fd = mon_fdset_fd->fd; | |
2537 | ||
47451466 | 2538 | qemu_mutex_unlock(&mon_fdsets_lock); |
e446f70d CB |
2539 | return fdinfo; |
2540 | } | |
2541 | ||
adb696f3 CB |
2542 | int monitor_fdset_get_fd(int64_t fdset_id, int flags) |
2543 | { | |
47451466 PX |
2544 | #ifdef _WIN32 |
2545 | return -ENOENT; | |
2546 | #else | |
adb696f3 CB |
2547 | MonFdset *mon_fdset; |
2548 | MonFdsetFd *mon_fdset_fd; | |
2549 | int mon_fd_flags; | |
47451466 | 2550 | int ret; |
adb696f3 | 2551 | |
47451466 | 2552 | qemu_mutex_lock(&mon_fdsets_lock); |
adb696f3 CB |
2553 | QLIST_FOREACH(mon_fdset, &mon_fdsets, next) { |
2554 | if (mon_fdset->id != fdset_id) { | |
2555 | continue; | |
2556 | } | |
2557 | QLIST_FOREACH(mon_fdset_fd, &mon_fdset->fds, next) { | |
2558 | mon_fd_flags = fcntl(mon_fdset_fd->fd, F_GETFL); | |
2559 | if (mon_fd_flags == -1) { | |
47451466 PX |
2560 | ret = -errno; |
2561 | goto out; | |
adb696f3 CB |
2562 | } |
2563 | ||
2564 | if ((flags & O_ACCMODE) == (mon_fd_flags & O_ACCMODE)) { | |
47451466 PX |
2565 | ret = mon_fdset_fd->fd; |
2566 | goto out; | |
adb696f3 CB |
2567 | } |
2568 | } | |
47451466 PX |
2569 | ret = -EACCES; |
2570 | goto out; | |
adb696f3 | 2571 | } |
47451466 | 2572 | ret = -ENOENT; |
adb696f3 | 2573 | |
47451466 PX |
2574 | out: |
2575 | qemu_mutex_unlock(&mon_fdsets_lock); | |
2576 | return ret; | |
2577 | #endif | |
adb696f3 CB |
2578 | } |
2579 | ||
2580 | int monitor_fdset_dup_fd_add(int64_t fdset_id, int dup_fd) | |
2581 | { | |
2582 | MonFdset *mon_fdset; | |
2583 | MonFdsetFd *mon_fdset_fd_dup; | |
2584 | ||
47451466 | 2585 | qemu_mutex_lock(&mon_fdsets_lock); |
adb696f3 CB |
2586 | QLIST_FOREACH(mon_fdset, &mon_fdsets, next) { |
2587 | if (mon_fdset->id != fdset_id) { | |
2588 | continue; | |
2589 | } | |
2590 | QLIST_FOREACH(mon_fdset_fd_dup, &mon_fdset->dup_fds, next) { | |
2591 | if (mon_fdset_fd_dup->fd == dup_fd) { | |
47451466 | 2592 | goto err; |
adb696f3 CB |
2593 | } |
2594 | } | |
2595 | mon_fdset_fd_dup = g_malloc0(sizeof(*mon_fdset_fd_dup)); | |
2596 | mon_fdset_fd_dup->fd = dup_fd; | |
2597 | QLIST_INSERT_HEAD(&mon_fdset->dup_fds, mon_fdset_fd_dup, next); | |
47451466 | 2598 | qemu_mutex_unlock(&mon_fdsets_lock); |
adb696f3 CB |
2599 | return 0; |
2600 | } | |
47451466 PX |
2601 | |
2602 | err: | |
2603 | qemu_mutex_unlock(&mon_fdsets_lock); | |
adb696f3 CB |
2604 | return -1; |
2605 | } | |
2606 | ||
2607 | static int monitor_fdset_dup_fd_find_remove(int dup_fd, bool remove) | |
2608 | { | |
2609 | MonFdset *mon_fdset; | |
2610 | MonFdsetFd *mon_fdset_fd_dup; | |
2611 | ||
47451466 | 2612 | qemu_mutex_lock(&mon_fdsets_lock); |
adb696f3 CB |
2613 | QLIST_FOREACH(mon_fdset, &mon_fdsets, next) { |
2614 | QLIST_FOREACH(mon_fdset_fd_dup, &mon_fdset->dup_fds, next) { | |
2615 | if (mon_fdset_fd_dup->fd == dup_fd) { | |
2616 | if (remove) { | |
2617 | QLIST_REMOVE(mon_fdset_fd_dup, next); | |
2618 | if (QLIST_EMPTY(&mon_fdset->dup_fds)) { | |
2619 | monitor_fdset_cleanup(mon_fdset); | |
2620 | } | |
47451466 | 2621 | goto err; |
b3dd1b8c | 2622 | } else { |
47451466 | 2623 | qemu_mutex_unlock(&mon_fdsets_lock); |
b3dd1b8c | 2624 | return mon_fdset->id; |
adb696f3 | 2625 | } |
adb696f3 CB |
2626 | } |
2627 | } | |
2628 | } | |
47451466 PX |
2629 | |
2630 | err: | |
2631 | qemu_mutex_unlock(&mon_fdsets_lock); | |
adb696f3 CB |
2632 | return -1; |
2633 | } | |
2634 | ||
2635 | int monitor_fdset_dup_fd_find(int dup_fd) | |
2636 | { | |
2637 | return monitor_fdset_dup_fd_find_remove(dup_fd, false); | |
2638 | } | |
2639 | ||
b3dd1b8c | 2640 | void monitor_fdset_dup_fd_remove(int dup_fd) |
adb696f3 | 2641 | { |
b3dd1b8c | 2642 | monitor_fdset_dup_fd_find_remove(dup_fd, true); |
adb696f3 CB |
2643 | } |
2644 | ||
1677f4c6 | 2645 | int monitor_fd_param(Monitor *mon, const char *fdname, Error **errp) |
5906366e LE |
2646 | { |
2647 | int fd; | |
2648 | Error *local_err = NULL; | |
a96ed02f | 2649 | |
5906366e | 2650 | if (!qemu_isdigit(fdname[0]) && mon) { |
a9940fc4 | 2651 | fd = monitor_get_fd(mon, fdname, &local_err); |
5906366e LE |
2652 | } else { |
2653 | fd = qemu_parse_fd(fdname); | |
a96ed02f | 2654 | if (fd == -1) { |
5906366e LE |
2655 | error_setg(&local_err, "Invalid file descriptor number '%s'", |
2656 | fdname); | |
a96ed02f | 2657 | } |
5906366e LE |
2658 | } |
2659 | if (local_err) { | |
2660 | error_propagate(errp, local_err); | |
2661 | assert(fd == -1); | |
a96ed02f | 2662 | } else { |
5906366e | 2663 | assert(fd != -1); |
a96ed02f NB |
2664 | } |
2665 | ||
2666 | return fd; | |
2667 | } | |
2668 | ||
acd0a093 | 2669 | /* Please update hmp-commands.hx when adding or changing commands */ |
816f8925 | 2670 | static mon_cmd_t info_cmds[] = { |
da76ee76 PB |
2671 | #include "hmp-commands-info.h" |
2672 | { NULL, NULL, }, | |
9dc39cba FB |
2673 | }; |
2674 | ||
a13ced59 WX |
2675 | /* mon_cmds and info_cmds would be sorted at runtime */ |
2676 | static mon_cmd_t mon_cmds[] = { | |
2677 | #include "hmp-commands.h" | |
2678 | { NULL, NULL, }, | |
2679 | }; | |
2680 | ||
9307c4c1 FB |
2681 | /*******************************************************************/ |
2682 | ||
2683 | static const char *pch; | |
6ab7e546 | 2684 | static sigjmp_buf expr_env; |
9307c4c1 | 2685 | |
9307c4c1 | 2686 | |
9c3175cc SW |
2687 | static void GCC_FMT_ATTR(2, 3) QEMU_NORETURN |
2688 | expr_error(Monitor *mon, const char *fmt, ...) | |
9dc39cba | 2689 | { |
277acfe8 FZ |
2690 | va_list ap; |
2691 | va_start(ap, fmt); | |
2692 | monitor_vprintf(mon, fmt, ap); | |
2693 | monitor_printf(mon, "\n"); | |
2694 | va_end(ap); | |
6ab7e546 | 2695 | siglongjmp(expr_env, 1); |
9307c4c1 FB |
2696 | } |
2697 | ||
09b9418c | 2698 | /* return 0 if OK, -1 if not found */ |
92a31b1f | 2699 | static int get_monitor_def(target_long *pval, const char *name) |
9307c4c1 | 2700 | { |
bf957284 | 2701 | const MonitorDef *md = target_monitor_defs(); |
854e67fe | 2702 | CPUState *cs = mon_get_cpu(); |
92a31b1f | 2703 | void *ptr; |
0a9516c2 AK |
2704 | uint64_t tmp = 0; |
2705 | int ret; | |
92a31b1f | 2706 | |
854e67fe | 2707 | if (cs == NULL || md == NULL) { |
bf957284 PB |
2708 | return -1; |
2709 | } | |
2710 | ||
2711 | for(; md->name != NULL; md++) { | |
9307c4c1 FB |
2712 | if (compare_cmd(name, md->name)) { |
2713 | if (md->get_value) { | |
e95c8d51 | 2714 | *pval = md->get_value(md, md->offset); |
9307c4c1 | 2715 | } else { |
5bcda5f7 | 2716 | CPUArchState *env = mon_get_cpu_env(); |
6a00d601 | 2717 | ptr = (uint8_t *)env + md->offset; |
92a31b1f FB |
2718 | switch(md->type) { |
2719 | case MD_I32: | |
2720 | *pval = *(int32_t *)ptr; | |
2721 | break; | |
2722 | case MD_TLONG: | |
2723 | *pval = *(target_long *)ptr; | |
2724 | break; | |
2725 | default: | |
2726 | *pval = 0; | |
2727 | break; | |
2728 | } | |
9307c4c1 FB |
2729 | } |
2730 | return 0; | |
2731 | } | |
2732 | } | |
0a9516c2 | 2733 | |
854e67fe | 2734 | ret = target_get_monitor_def(cs, name, &tmp); |
0a9516c2 AK |
2735 | if (!ret) { |
2736 | *pval = (target_long) tmp; | |
2737 | } | |
2738 | ||
2739 | return ret; | |
9307c4c1 FB |
2740 | } |
2741 | ||
2742 | static void next(void) | |
2743 | { | |
660f11be | 2744 | if (*pch != '\0') { |
9307c4c1 | 2745 | pch++; |
cd390083 | 2746 | while (qemu_isspace(*pch)) |
9307c4c1 FB |
2747 | pch++; |
2748 | } | |
2749 | } | |
2750 | ||
376253ec | 2751 | static int64_t expr_sum(Monitor *mon); |
9307c4c1 | 2752 | |
376253ec | 2753 | static int64_t expr_unary(Monitor *mon) |
9307c4c1 | 2754 | { |
c2efc95d | 2755 | int64_t n; |
9307c4c1 | 2756 | char *p; |
6a00d601 | 2757 | int ret; |
9307c4c1 FB |
2758 | |
2759 | switch(*pch) { | |
2760 | case '+': | |
2761 | next(); | |
376253ec | 2762 | n = expr_unary(mon); |
9307c4c1 FB |
2763 | break; |
2764 | case '-': | |
2765 | next(); | |
376253ec | 2766 | n = -expr_unary(mon); |
9307c4c1 FB |
2767 | break; |
2768 | case '~': | |
2769 | next(); | |
376253ec | 2770 | n = ~expr_unary(mon); |
9307c4c1 FB |
2771 | break; |
2772 | case '(': | |
2773 | next(); | |
376253ec | 2774 | n = expr_sum(mon); |
9307c4c1 | 2775 | if (*pch != ')') { |
376253ec | 2776 | expr_error(mon, "')' expected"); |
9307c4c1 FB |
2777 | } |
2778 | next(); | |
2779 | break; | |
81d0912d FB |
2780 | case '\'': |
2781 | pch++; | |
2782 | if (*pch == '\0') | |
376253ec | 2783 | expr_error(mon, "character constant expected"); |
81d0912d FB |
2784 | n = *pch; |
2785 | pch++; | |
2786 | if (*pch != '\'') | |
376253ec | 2787 | expr_error(mon, "missing terminating \' character"); |
81d0912d FB |
2788 | next(); |
2789 | break; | |
9307c4c1 FB |
2790 | case '$': |
2791 | { | |
2792 | char buf[128], *q; | |
69b34976 | 2793 | target_long reg=0; |
3b46e624 | 2794 | |
9307c4c1 FB |
2795 | pch++; |
2796 | q = buf; | |
2797 | while ((*pch >= 'a' && *pch <= 'z') || | |
2798 | (*pch >= 'A' && *pch <= 'Z') || | |
2799 | (*pch >= '0' && *pch <= '9') || | |
57206fd4 | 2800 | *pch == '_' || *pch == '.') { |
9307c4c1 FB |
2801 | if ((q - buf) < sizeof(buf) - 1) |
2802 | *q++ = *pch; | |
2803 | pch++; | |
2804 | } | |
cd390083 | 2805 | while (qemu_isspace(*pch)) |
9307c4c1 FB |
2806 | pch++; |
2807 | *q = 0; | |
7743e588 | 2808 | ret = get_monitor_def(®, buf); |
09b9418c | 2809 | if (ret < 0) |
376253ec | 2810 | expr_error(mon, "unknown register"); |
7743e588 | 2811 | n = reg; |
9307c4c1 FB |
2812 | } |
2813 | break; | |
2814 | case '\0': | |
376253ec | 2815 | expr_error(mon, "unexpected end of expression"); |
9307c4c1 FB |
2816 | n = 0; |
2817 | break; | |
2818 | default: | |
6b0e33be | 2819 | errno = 0; |
4f4fbf77 | 2820 | n = strtoull(pch, &p, 0); |
6b0e33be LC |
2821 | if (errno == ERANGE) { |
2822 | expr_error(mon, "number too large"); | |
2823 | } | |
9307c4c1 | 2824 | if (pch == p) { |
277acfe8 | 2825 | expr_error(mon, "invalid char '%c' in expression", *p); |
9307c4c1 FB |
2826 | } |
2827 | pch = p; | |
cd390083 | 2828 | while (qemu_isspace(*pch)) |
9307c4c1 FB |
2829 | pch++; |
2830 | break; | |
2831 | } | |
2832 | return n; | |
2833 | } | |
2834 | ||
2835 | ||
376253ec | 2836 | static int64_t expr_prod(Monitor *mon) |
9307c4c1 | 2837 | { |
c2efc95d | 2838 | int64_t val, val2; |
92a31b1f | 2839 | int op; |
3b46e624 | 2840 | |
376253ec | 2841 | val = expr_unary(mon); |
9307c4c1 FB |
2842 | for(;;) { |
2843 | op = *pch; | |
2844 | if (op != '*' && op != '/' && op != '%') | |
2845 | break; | |
2846 | next(); | |
376253ec | 2847 | val2 = expr_unary(mon); |
9307c4c1 FB |
2848 | switch(op) { |
2849 | default: | |
2850 | case '*': | |
2851 | val *= val2; | |
2852 | break; | |
2853 | case '/': | |
2854 | case '%': | |
5fafdf24 | 2855 | if (val2 == 0) |
376253ec | 2856 | expr_error(mon, "division by zero"); |
9307c4c1 FB |
2857 | if (op == '/') |
2858 | val /= val2; | |
2859 | else | |
2860 | val %= val2; | |
2861 | break; | |
2862 | } | |
2863 | } | |
2864 | return val; | |
2865 | } | |
2866 | ||
376253ec | 2867 | static int64_t expr_logic(Monitor *mon) |
9307c4c1 | 2868 | { |
c2efc95d | 2869 | int64_t val, val2; |
92a31b1f | 2870 | int op; |
9307c4c1 | 2871 | |
376253ec | 2872 | val = expr_prod(mon); |
9307c4c1 FB |
2873 | for(;;) { |
2874 | op = *pch; | |
2875 | if (op != '&' && op != '|' && op != '^') | |
2876 | break; | |
2877 | next(); | |
376253ec | 2878 | val2 = expr_prod(mon); |
9307c4c1 FB |
2879 | switch(op) { |
2880 | default: | |
2881 | case '&': | |
2882 | val &= val2; | |
2883 | break; | |
2884 | case '|': | |
2885 | val |= val2; | |
2886 | break; | |
2887 | case '^': | |
2888 | val ^= val2; | |
2889 | break; | |
2890 | } | |
2891 | } | |
2892 | return val; | |
2893 | } | |
2894 | ||
376253ec | 2895 | static int64_t expr_sum(Monitor *mon) |
9307c4c1 | 2896 | { |
c2efc95d | 2897 | int64_t val, val2; |
92a31b1f | 2898 | int op; |
9307c4c1 | 2899 | |
376253ec | 2900 | val = expr_logic(mon); |
9307c4c1 FB |
2901 | for(;;) { |
2902 | op = *pch; | |
2903 | if (op != '+' && op != '-') | |
2904 | break; | |
2905 | next(); | |
376253ec | 2906 | val2 = expr_logic(mon); |
9307c4c1 FB |
2907 | if (op == '+') |
2908 | val += val2; | |
2909 | else | |
2910 | val -= val2; | |
2911 | } | |
2912 | return val; | |
2913 | } | |
2914 | ||
376253ec | 2915 | static int get_expr(Monitor *mon, int64_t *pval, const char **pp) |
9307c4c1 FB |
2916 | { |
2917 | pch = *pp; | |
6ab7e546 | 2918 | if (sigsetjmp(expr_env, 0)) { |
9307c4c1 FB |
2919 | *pp = pch; |
2920 | return -1; | |
2921 | } | |
cd390083 | 2922 | while (qemu_isspace(*pch)) |
9307c4c1 | 2923 | pch++; |
376253ec | 2924 | *pval = expr_sum(mon); |
9307c4c1 FB |
2925 | *pp = pch; |
2926 | return 0; | |
2927 | } | |
2928 | ||
3350a4dd MA |
2929 | static int get_double(Monitor *mon, double *pval, const char **pp) |
2930 | { | |
2931 | const char *p = *pp; | |
2932 | char *tailp; | |
2933 | double d; | |
2934 | ||
2935 | d = strtod(p, &tailp); | |
2936 | if (tailp == p) { | |
2937 | monitor_printf(mon, "Number expected\n"); | |
2938 | return -1; | |
2939 | } | |
2940 | if (d != d || d - d != 0) { | |
2941 | /* NaN or infinity */ | |
2942 | monitor_printf(mon, "Bad number\n"); | |
2943 | return -1; | |
2944 | } | |
2945 | *pval = d; | |
2946 | *pp = tailp; | |
2947 | return 0; | |
2948 | } | |
2949 | ||
4590fd80 LC |
2950 | /* |
2951 | * Store the command-name in cmdname, and return a pointer to | |
2952 | * the remaining of the command string. | |
2953 | */ | |
2954 | static const char *get_command_name(const char *cmdline, | |
2955 | char *cmdname, size_t nlen) | |
2956 | { | |
2957 | size_t len; | |
2958 | const char *p, *pstart; | |
2959 | ||
2960 | p = cmdline; | |
2961 | while (qemu_isspace(*p)) | |
2962 | p++; | |
2963 | if (*p == '\0') | |
2964 | return NULL; | |
2965 | pstart = p; | |
2966 | while (*p != '\0' && *p != '/' && !qemu_isspace(*p)) | |
2967 | p++; | |
2968 | len = p - pstart; | |
2969 | if (len > nlen - 1) | |
2970 | len = nlen - 1; | |
2971 | memcpy(cmdname, pstart, len); | |
2972 | cmdname[len] = '\0'; | |
2973 | return p; | |
2974 | } | |
2975 | ||
4d76d2ba LC |
2976 | /** |
2977 | * Read key of 'type' into 'key' and return the current | |
2978 | * 'type' pointer. | |
2979 | */ | |
2980 | static char *key_get_info(const char *type, char **key) | |
2981 | { | |
2982 | size_t len; | |
2983 | char *p, *str; | |
2984 | ||
2985 | if (*type == ',') | |
2986 | type++; | |
2987 | ||
2988 | p = strchr(type, ':'); | |
2989 | if (!p) { | |
2990 | *key = NULL; | |
2991 | return NULL; | |
2992 | } | |
2993 | len = p - type; | |
2994 | ||
7267c094 | 2995 | str = g_malloc(len + 1); |
4d76d2ba LC |
2996 | memcpy(str, type, len); |
2997 | str[len] = '\0'; | |
2998 | ||
2999 | *key = str; | |
3000 | return ++p; | |
3001 | } | |
3002 | ||
9307c4c1 FB |
3003 | static int default_fmt_format = 'x'; |
3004 | static int default_fmt_size = 4; | |
3005 | ||
fbc3d96c LS |
3006 | static int is_valid_option(const char *c, const char *typestr) |
3007 | { | |
3008 | char option[3]; | |
3009 | ||
3010 | option[0] = '-'; | |
3011 | option[1] = *c; | |
3012 | option[2] = '\0'; | |
3013 | ||
3014 | typestr = strstr(typestr, option); | |
3015 | return (typestr != NULL); | |
3016 | } | |
3017 | ||
945c5ac8 LC |
3018 | static const mon_cmd_t *search_dispatch_table(const mon_cmd_t *disp_table, |
3019 | const char *cmdname) | |
7fd669a1 LC |
3020 | { |
3021 | const mon_cmd_t *cmd; | |
3022 | ||
945c5ac8 | 3023 | for (cmd = disp_table; cmd->name != NULL; cmd++) { |
7fd669a1 LC |
3024 | if (compare_cmd(cmdname, cmd->name)) { |
3025 | return cmd; | |
3026 | } | |
3027 | } | |
3028 | ||
3029 | return NULL; | |
3030 | } | |
3031 | ||
5f3d335f | 3032 | /* |
ae50212f BD |
3033 | * Parse command name from @cmdp according to command table @table. |
3034 | * If blank, return NULL. | |
3035 | * Else, if no valid command can be found, report to @mon, and return | |
3036 | * NULL. | |
3037 | * Else, change @cmdp to point right behind the name, and return its | |
3038 | * command table entry. | |
3039 | * Do not assume the return value points into @table! It doesn't when | |
3040 | * the command is found in a sub-command table. | |
5f3d335f | 3041 | */ |
c227f099 | 3042 | static const mon_cmd_t *monitor_parse_command(Monitor *mon, |
250b8197 | 3043 | const char *cmdp_start, |
ae50212f BD |
3044 | const char **cmdp, |
3045 | mon_cmd_t *table) | |
9307c4c1 | 3046 | { |
ae50212f | 3047 | const char *p; |
c227f099 | 3048 | const mon_cmd_t *cmd; |
9307c4c1 | 3049 | char cmdname[256]; |
9dc39cba | 3050 | |
9307c4c1 | 3051 | /* extract the command name */ |
ae50212f | 3052 | p = get_command_name(*cmdp, cmdname, sizeof(cmdname)); |
4590fd80 | 3053 | if (!p) |
55f81d96 | 3054 | return NULL; |
3b46e624 | 3055 | |
5f3d335f | 3056 | cmd = search_dispatch_table(table, cmdname); |
7fd669a1 | 3057 | if (!cmd) { |
5f3d335f | 3058 | monitor_printf(mon, "unknown command: '%.*s'\n", |
250b8197 | 3059 | (int)(p - cmdp_start), cmdp_start); |
55f81d96 | 3060 | return NULL; |
9307c4c1 | 3061 | } |
c3120f71 DDAG |
3062 | if (runstate_check(RUN_STATE_PRECONFIG) && !cmd_can_preconfig(cmd)) { |
3063 | monitor_printf(mon, "Command '%.*s' not available with -preconfig " | |
3064 | "until after exit_preconfig.\n", | |
3065 | (int)(p - cmdp_start), cmdp_start); | |
3066 | return NULL; | |
3067 | } | |
9307c4c1 | 3068 | |
5f3d335f WX |
3069 | /* filter out following useless space */ |
3070 | while (qemu_isspace(*p)) { | |
3071 | p++; | |
3072 | } | |
ae50212f BD |
3073 | |
3074 | *cmdp = p; | |
5f3d335f | 3075 | /* search sub command */ |
ae50212f | 3076 | if (cmd->sub_table != NULL && *p != '\0') { |
250b8197 | 3077 | return monitor_parse_command(mon, cmdp_start, cmdp, cmd->sub_table); |
5f3d335f WX |
3078 | } |
3079 | ||
ae50212f BD |
3080 | return cmd; |
3081 | } | |
3082 | ||
3083 | /* | |
3084 | * Parse arguments for @cmd. | |
3085 | * If it can't be parsed, report to @mon, and return NULL. | |
3086 | * Else, insert command arguments into a QDict, and return it. | |
3087 | * Note: On success, caller has to free the QDict structure. | |
3088 | */ | |
3089 | ||
3090 | static QDict *monitor_parse_arguments(Monitor *mon, | |
3091 | const char **endp, | |
3092 | const mon_cmd_t *cmd) | |
3093 | { | |
3094 | const char *typestr; | |
3095 | char *key; | |
3096 | int c; | |
3097 | const char *p = *endp; | |
3098 | char buf[1024]; | |
3099 | QDict *qdict = qdict_new(); | |
3100 | ||
9307c4c1 FB |
3101 | /* parse the parameters */ |
3102 | typestr = cmd->args_type; | |
9dc39cba | 3103 | for(;;) { |
4d76d2ba LC |
3104 | typestr = key_get_info(typestr, &key); |
3105 | if (!typestr) | |
9dc39cba | 3106 | break; |
4d76d2ba | 3107 | c = *typestr; |
9307c4c1 FB |
3108 | typestr++; |
3109 | switch(c) { | |
3110 | case 'F': | |
81d0912d | 3111 | case 'B': |
9307c4c1 FB |
3112 | case 's': |
3113 | { | |
3114 | int ret; | |
3b46e624 | 3115 | |
cd390083 | 3116 | while (qemu_isspace(*p)) |
9307c4c1 FB |
3117 | p++; |
3118 | if (*typestr == '?') { | |
3119 | typestr++; | |
3120 | if (*p == '\0') { | |
3121 | /* no optional string: NULL argument */ | |
53773581 | 3122 | break; |
9307c4c1 FB |
3123 | } |
3124 | } | |
3125 | ret = get_str(buf, sizeof(buf), &p); | |
3126 | if (ret < 0) { | |
81d0912d FB |
3127 | switch(c) { |
3128 | case 'F': | |
376253ec | 3129 | monitor_printf(mon, "%s: filename expected\n", |
ae50212f | 3130 | cmd->name); |
81d0912d FB |
3131 | break; |
3132 | case 'B': | |
376253ec | 3133 | monitor_printf(mon, "%s: block device name expected\n", |
ae50212f | 3134 | cmd->name); |
81d0912d FB |
3135 | break; |
3136 | default: | |
ae50212f | 3137 | monitor_printf(mon, "%s: string expected\n", cmd->name); |
81d0912d FB |
3138 | break; |
3139 | } | |
9307c4c1 FB |
3140 | goto fail; |
3141 | } | |
46f5ac20 | 3142 | qdict_put_str(qdict, key, buf); |
9307c4c1 | 3143 | } |
9dc39cba | 3144 | break; |
361127df MA |
3145 | case 'O': |
3146 | { | |
3147 | QemuOptsList *opts_list; | |
3148 | QemuOpts *opts; | |
3149 | ||
3150 | opts_list = qemu_find_opts(key); | |
3151 | if (!opts_list || opts_list->desc->name) { | |
3152 | goto bad_type; | |
3153 | } | |
3154 | while (qemu_isspace(*p)) { | |
3155 | p++; | |
3156 | } | |
3157 | if (!*p) | |
3158 | break; | |
3159 | if (get_str(buf, sizeof(buf), &p) < 0) { | |
3160 | goto fail; | |
3161 | } | |
70b94331 | 3162 | opts = qemu_opts_parse_noisily(opts_list, buf, true); |
361127df MA |
3163 | if (!opts) { |
3164 | goto fail; | |
3165 | } | |
3166 | qemu_opts_to_qdict(opts, qdict); | |
3167 | qemu_opts_del(opts); | |
3168 | } | |
3169 | break; | |
9307c4c1 FB |
3170 | case '/': |
3171 | { | |
3172 | int count, format, size; | |
3b46e624 | 3173 | |
cd390083 | 3174 | while (qemu_isspace(*p)) |
9307c4c1 FB |
3175 | p++; |
3176 | if (*p == '/') { | |
3177 | /* format found */ | |
3178 | p++; | |
3179 | count = 1; | |
cd390083 | 3180 | if (qemu_isdigit(*p)) { |
9307c4c1 | 3181 | count = 0; |
cd390083 | 3182 | while (qemu_isdigit(*p)) { |
9307c4c1 FB |
3183 | count = count * 10 + (*p - '0'); |
3184 | p++; | |
3185 | } | |
3186 | } | |
3187 | size = -1; | |
3188 | format = -1; | |
3189 | for(;;) { | |
3190 | switch(*p) { | |
3191 | case 'o': | |
3192 | case 'd': | |
3193 | case 'u': | |
3194 | case 'x': | |
3195 | case 'i': | |
3196 | case 'c': | |
3197 | format = *p++; | |
3198 | break; | |
3199 | case 'b': | |
3200 | size = 1; | |
3201 | p++; | |
3202 | break; | |
3203 | case 'h': | |
3204 | size = 2; | |
3205 | p++; | |
3206 | break; | |
3207 | case 'w': | |
3208 | size = 4; | |
3209 | p++; | |
3210 | break; | |
3211 | case 'g': | |
3212 | case 'L': | |
3213 | size = 8; | |
3214 | p++; | |
3215 | break; | |
3216 | default: | |
3217 | goto next; | |
3218 | } | |
3219 | } | |
3220 | next: | |
cd390083 | 3221 | if (*p != '\0' && !qemu_isspace(*p)) { |
376253ec AL |
3222 | monitor_printf(mon, "invalid char in format: '%c'\n", |
3223 | *p); | |
9307c4c1 FB |
3224 | goto fail; |
3225 | } | |
9307c4c1 FB |
3226 | if (format < 0) |
3227 | format = default_fmt_format; | |
4c27ba27 FB |
3228 | if (format != 'i') { |
3229 | /* for 'i', not specifying a size gives -1 as size */ | |
3230 | if (size < 0) | |
3231 | size = default_fmt_size; | |
e90f009b | 3232 | default_fmt_size = size; |
4c27ba27 | 3233 | } |
9307c4c1 FB |
3234 | default_fmt_format = format; |
3235 | } else { | |
3236 | count = 1; | |
3237 | format = default_fmt_format; | |
4c27ba27 FB |
3238 | if (format != 'i') { |
3239 | size = default_fmt_size; | |
3240 | } else { | |
3241 | size = -1; | |
3242 | } | |
9307c4c1 | 3243 | } |
46f5ac20 EB |
3244 | qdict_put_int(qdict, "count", count); |
3245 | qdict_put_int(qdict, "format", format); | |
3246 | qdict_put_int(qdict, "size", size); | |
9307c4c1 | 3247 | } |
9dc39cba | 3248 | break; |
9307c4c1 | 3249 | case 'i': |
92a31b1f | 3250 | case 'l': |
b6e098d7 | 3251 | case 'M': |
9307c4c1 | 3252 | { |
c2efc95d | 3253 | int64_t val; |
7743e588 | 3254 | |
cd390083 | 3255 | while (qemu_isspace(*p)) |
9307c4c1 | 3256 | p++; |
3440557b | 3257 | if (*typestr == '?' || *typestr == '.') { |
3440557b | 3258 | if (*typestr == '?') { |
53773581 LC |
3259 | if (*p == '\0') { |
3260 | typestr++; | |
3261 | break; | |
3262 | } | |
3440557b FB |
3263 | } else { |
3264 | if (*p == '.') { | |
3265 | p++; | |
cd390083 | 3266 | while (qemu_isspace(*p)) |
3440557b | 3267 | p++; |
3440557b | 3268 | } else { |
53773581 LC |
3269 | typestr++; |
3270 | break; | |
3440557b FB |
3271 | } |
3272 | } | |
13224a87 | 3273 | typestr++; |
9307c4c1 | 3274 | } |
376253ec | 3275 | if (get_expr(mon, &val, &p)) |
9307c4c1 | 3276 | goto fail; |
675ebef9 LC |
3277 | /* Check if 'i' is greater than 32-bit */ |
3278 | if ((c == 'i') && ((val >> 32) & 0xffffffff)) { | |
ae50212f | 3279 | monitor_printf(mon, "\'%s\' has failed: ", cmd->name); |
675ebef9 LC |
3280 | monitor_printf(mon, "integer is for 32-bit values\n"); |
3281 | goto fail; | |
b6e098d7 | 3282 | } else if (c == 'M') { |
91162849 LC |
3283 | if (val < 0) { |
3284 | monitor_printf(mon, "enter a positive value\n"); | |
3285 | goto fail; | |
3286 | } | |
8ec338ac | 3287 | val *= MiB; |
675ebef9 | 3288 | } |
46f5ac20 | 3289 | qdict_put_int(qdict, key, val); |
9307c4c1 FB |
3290 | } |
3291 | break; | |
dbc0c67f JS |
3292 | case 'o': |
3293 | { | |
f17fd4fd | 3294 | int ret; |
f46bfdbf | 3295 | uint64_t val; |
af02f4c5 | 3296 | const char *end; |
dbc0c67f JS |
3297 | |
3298 | while (qemu_isspace(*p)) { | |
3299 | p++; | |
3300 | } | |
3301 | if (*typestr == '?') { | |
3302 | typestr++; | |
3303 | if (*p == '\0') { | |
3304 | break; | |
3305 | } | |
3306 | } | |
f17fd4fd | 3307 | ret = qemu_strtosz_MiB(p, &end, &val); |
f46bfdbf | 3308 | if (ret < 0 || val > INT64_MAX) { |
dbc0c67f JS |
3309 | monitor_printf(mon, "invalid size\n"); |
3310 | goto fail; | |
3311 | } | |
46f5ac20 | 3312 | qdict_put_int(qdict, key, val); |
dbc0c67f JS |
3313 | p = end; |
3314 | } | |
3315 | break; | |
fccfb11e | 3316 | case 'T': |
3350a4dd MA |
3317 | { |
3318 | double val; | |
3319 | ||
3320 | while (qemu_isspace(*p)) | |
3321 | p++; | |
3322 | if (*typestr == '?') { | |
3323 | typestr++; | |
3324 | if (*p == '\0') { | |
3325 | break; | |
3326 | } | |
3327 | } | |
3328 | if (get_double(mon, &val, &p) < 0) { | |
3329 | goto fail; | |
3330 | } | |
07de3e60 | 3331 | if (p[0] && p[1] == 's') { |
fccfb11e MA |
3332 | switch (*p) { |
3333 | case 'm': | |
3334 | val /= 1e3; p += 2; break; | |
3335 | case 'u': | |
3336 | val /= 1e6; p += 2; break; | |
3337 | case 'n': | |
3338 | val /= 1e9; p += 2; break; | |
3339 | } | |
3340 | } | |
3350a4dd MA |
3341 | if (*p && !qemu_isspace(*p)) { |
3342 | monitor_printf(mon, "Unknown unit suffix\n"); | |
3343 | goto fail; | |
3344 | } | |
01b2ffce | 3345 | qdict_put(qdict, key, qnum_from_double(val)); |
3350a4dd MA |
3346 | } |
3347 | break; | |
942cd1f2 MA |
3348 | case 'b': |
3349 | { | |
3350 | const char *beg; | |
fc48ffc3 | 3351 | bool val; |
942cd1f2 MA |
3352 | |
3353 | while (qemu_isspace(*p)) { | |
3354 | p++; | |
3355 | } | |
3356 | beg = p; | |
3357 | while (qemu_isgraph(*p)) { | |
3358 | p++; | |
3359 | } | |
3360 | if (p - beg == 2 && !memcmp(beg, "on", p - beg)) { | |
fc48ffc3 | 3361 | val = true; |
942cd1f2 | 3362 | } else if (p - beg == 3 && !memcmp(beg, "off", p - beg)) { |
fc48ffc3 | 3363 | val = false; |
942cd1f2 MA |
3364 | } else { |
3365 | monitor_printf(mon, "Expected 'on' or 'off'\n"); | |
3366 | goto fail; | |
3367 | } | |
46f5ac20 | 3368 | qdict_put_bool(qdict, key, val); |
942cd1f2 MA |
3369 | } |
3370 | break; | |
9307c4c1 FB |
3371 | case '-': |
3372 | { | |
fbc3d96c | 3373 | const char *tmp = p; |
eb159d13 | 3374 | int skip_key = 0; |
9307c4c1 | 3375 | /* option */ |
3b46e624 | 3376 | |
9307c4c1 FB |
3377 | c = *typestr++; |
3378 | if (c == '\0') | |
3379 | goto bad_type; | |
cd390083 | 3380 | while (qemu_isspace(*p)) |
9307c4c1 | 3381 | p++; |
9307c4c1 FB |
3382 | if (*p == '-') { |
3383 | p++; | |
fbc3d96c LS |
3384 | if(c != *p) { |
3385 | if(!is_valid_option(p, typestr)) { | |
3386 | ||
3387 | monitor_printf(mon, "%s: unsupported option -%c\n", | |
ae50212f | 3388 | cmd->name, *p); |
fbc3d96c LS |
3389 | goto fail; |
3390 | } else { | |
3391 | skip_key = 1; | |
3392 | } | |
3393 | } | |
3394 | if(skip_key) { | |
3395 | p = tmp; | |
3396 | } else { | |
eb159d13 | 3397 | /* has option */ |
fbc3d96c | 3398 | p++; |
46f5ac20 | 3399 | qdict_put_bool(qdict, key, true); |
9307c4c1 | 3400 | } |
9307c4c1 | 3401 | } |
9307c4c1 FB |
3402 | } |
3403 | break; | |
129be006 WX |
3404 | case 'S': |
3405 | { | |
3406 | /* package all remaining string */ | |
3407 | int len; | |
3408 | ||
3409 | while (qemu_isspace(*p)) { | |
3410 | p++; | |
3411 | } | |
3412 | if (*typestr == '?') { | |
3413 | typestr++; | |
3414 | if (*p == '\0') { | |
3415 | /* no remaining string: NULL argument */ | |
3416 | break; | |
3417 | } | |
3418 | } | |
3419 | len = strlen(p); | |
3420 | if (len <= 0) { | |
3421 | monitor_printf(mon, "%s: string expected\n", | |
ae50212f | 3422 | cmd->name); |
e549d2aa | 3423 | goto fail; |
129be006 | 3424 | } |
46f5ac20 | 3425 | qdict_put_str(qdict, key, p); |
129be006 WX |
3426 | p += len; |
3427 | } | |
3428 | break; | |
9307c4c1 FB |
3429 | default: |
3430 | bad_type: | |
ae50212f | 3431 | monitor_printf(mon, "%s: unknown type '%c'\n", cmd->name, c); |
9307c4c1 FB |
3432 | goto fail; |
3433 | } | |
7267c094 | 3434 | g_free(key); |
4d76d2ba | 3435 | key = NULL; |
9dc39cba | 3436 | } |
9307c4c1 | 3437 | /* check that all arguments were parsed */ |
cd390083 | 3438 | while (qemu_isspace(*p)) |
9307c4c1 FB |
3439 | p++; |
3440 | if (*p != '\0') { | |
376253ec | 3441 | monitor_printf(mon, "%s: extraneous characters at the end of line\n", |
ae50212f | 3442 | cmd->name); |
9307c4c1 | 3443 | goto fail; |
9dc39cba | 3444 | } |
9307c4c1 | 3445 | |
ae50212f | 3446 | return qdict; |
ac7531ec | 3447 | |
55f81d96 | 3448 | fail: |
cb3e7f08 | 3449 | qobject_unref(qdict); |
7267c094 | 3450 | g_free(key); |
55f81d96 LC |
3451 | return NULL; |
3452 | } | |
3453 | ||
7ef6cf63 | 3454 | static void handle_hmp_command(Monitor *mon, const char *cmdline) |
55f81d96 | 3455 | { |
55f81d96 | 3456 | QDict *qdict; |
c227f099 | 3457 | const mon_cmd_t *cmd; |
317c52cc | 3458 | const char *cmd_start = cmdline; |
55f81d96 | 3459 | |
79cad8b4 SH |
3460 | trace_handle_hmp_command(mon, cmdline); |
3461 | ||
250b8197 | 3462 | cmd = monitor_parse_command(mon, cmdline, &cmdline, mon->cmd_table); |
ae50212f BD |
3463 | if (!cmd) { |
3464 | return; | |
3465 | } | |
55f81d96 | 3466 | |
ae50212f BD |
3467 | qdict = monitor_parse_arguments(mon, &cmdline, cmd); |
3468 | if (!qdict) { | |
317c52cc CW |
3469 | while (cmdline > cmd_start && qemu_isspace(cmdline[-1])) { |
3470 | cmdline--; | |
3471 | } | |
3472 | monitor_printf(mon, "Try \"help %.*s\" for more information\n", | |
3473 | (int)(cmdline - cmd_start), cmd_start); | |
ae50212f | 3474 | return; |
55f81d96 LC |
3475 | } |
3476 | ||
2b9e3576 | 3477 | cmd->cmd(mon, qdict); |
cb3e7f08 | 3478 | qobject_unref(qdict); |
9dc39cba FB |
3479 | } |
3480 | ||
cd5c6bba | 3481 | static void cmd_completion(Monitor *mon, const char *name, const char *list) |
81d0912d FB |
3482 | { |
3483 | const char *p, *pstart; | |
3484 | char cmd[128]; | |
3485 | int len; | |
3486 | ||
3487 | p = list; | |
3488 | for(;;) { | |
3489 | pstart = p; | |
5c99fa37 | 3490 | p = qemu_strchrnul(p, '|'); |
81d0912d FB |
3491 | len = p - pstart; |
3492 | if (len > sizeof(cmd) - 2) | |
3493 | len = sizeof(cmd) - 2; | |
3494 | memcpy(cmd, pstart, len); | |
3495 | cmd[len] = '\0'; | |
3496 | if (name[0] == '\0' || !strncmp(name, cmd, strlen(name))) { | |
cd5c6bba | 3497 | readline_add_completion(mon->rs, cmd); |
81d0912d FB |
3498 | } |
3499 | if (*p == '\0') | |
3500 | break; | |
3501 | p++; | |
3502 | } | |
3503 | } | |
3504 | ||
cb8f68b1 | 3505 | static void file_completion(Monitor *mon, const char *input) |
81d0912d FB |
3506 | { |
3507 | DIR *ffs; | |
3508 | struct dirent *d; | |
3509 | char path[1024]; | |
3510 | char file[1024], file_prefix[1024]; | |
3511 | int input_path_len; | |
3512 | const char *p; | |
3513 | ||
5fafdf24 | 3514 | p = strrchr(input, '/'); |
81d0912d FB |
3515 | if (!p) { |
3516 | input_path_len = 0; | |
3517 | pstrcpy(file_prefix, sizeof(file_prefix), input); | |
363a37d5 | 3518 | pstrcpy(path, sizeof(path), "."); |
81d0912d FB |
3519 | } else { |
3520 | input_path_len = p - input + 1; | |
3521 | memcpy(path, input, input_path_len); | |
3522 | if (input_path_len > sizeof(path) - 1) | |
3523 | input_path_len = sizeof(path) - 1; | |
3524 | path[input_path_len] = '\0'; | |
3525 | pstrcpy(file_prefix, sizeof(file_prefix), p + 1); | |
3526 | } | |
19f2db5c | 3527 | |
81d0912d FB |
3528 | ffs = opendir(path); |
3529 | if (!ffs) | |
3530 | return; | |
3531 | for(;;) { | |
3532 | struct stat sb; | |
3533 | d = readdir(ffs); | |
3534 | if (!d) | |
3535 | break; | |
46c7fc18 KK |
3536 | |
3537 | if (strcmp(d->d_name, ".") == 0 || strcmp(d->d_name, "..") == 0) { | |
3538 | continue; | |
3539 | } | |
3540 | ||
81d0912d FB |
3541 | if (strstart(d->d_name, file_prefix, NULL)) { |
3542 | memcpy(file, input, input_path_len); | |
363a37d5 BS |
3543 | if (input_path_len < sizeof(file)) |
3544 | pstrcpy(file + input_path_len, sizeof(file) - input_path_len, | |
3545 | d->d_name); | |
81d0912d FB |
3546 | /* stat the file to find out if it's a directory. |
3547 | * In that case add a slash to speed up typing long paths | |
3548 | */ | |
c951d9a6 | 3549 | if (stat(file, &sb) == 0 && S_ISDIR(sb.st_mode)) { |
363a37d5 | 3550 | pstrcat(file, sizeof(file), "/"); |
c951d9a6 | 3551 | } |
cb8f68b1 | 3552 | readline_add_completion(mon->rs, file); |
81d0912d FB |
3553 | } |
3554 | } | |
3555 | closedir(ffs); | |
3556 | } | |
3557 | ||
4d76d2ba LC |
3558 | static const char *next_arg_type(const char *typestr) |
3559 | { | |
3560 | const char *p = strchr(typestr, ':'); | |
3561 | return (p != NULL ? ++p : typestr); | |
3562 | } | |
3563 | ||
40d19394 HB |
3564 | static void add_completion_option(ReadLineState *rs, const char *str, |
3565 | const char *option) | |
3566 | { | |
3567 | if (!str || !option) { | |
3568 | return; | |
3569 | } | |
3570 | if (!strncmp(option, str, strlen(str))) { | |
3571 | readline_add_completion(rs, option); | |
3572 | } | |
3573 | } | |
3574 | ||
13e315da HB |
3575 | void chardev_add_completion(ReadLineState *rs, int nb_args, const char *str) |
3576 | { | |
3577 | size_t len; | |
3578 | ChardevBackendInfoList *list, *start; | |
3579 | ||
3580 | if (nb_args != 2) { | |
3581 | return; | |
3582 | } | |
3583 | len = strlen(str); | |
3584 | readline_set_completion_index(rs, len); | |
3585 | ||
3586 | start = list = qmp_query_chardev_backends(NULL); | |
3587 | while (list) { | |
3588 | const char *chr_name = list->value->name; | |
3589 | ||
3590 | if (!strncmp(chr_name, str, len)) { | |
3591 | readline_add_completion(rs, chr_name); | |
3592 | } | |
3593 | list = list->next; | |
3594 | } | |
3595 | qapi_free_ChardevBackendInfoList(start); | |
3596 | } | |
3597 | ||
b162b49a HB |
3598 | void netdev_add_completion(ReadLineState *rs, int nb_args, const char *str) |
3599 | { | |
3600 | size_t len; | |
3601 | int i; | |
3602 | ||
3603 | if (nb_args != 2) { | |
3604 | return; | |
3605 | } | |
3606 | len = strlen(str); | |
3607 | readline_set_completion_index(rs, len); | |
1c236ba5 | 3608 | for (i = 0; i < NET_CLIENT_DRIVER__MAX; i++) { |
977c736f | 3609 | add_completion_option(rs, str, NetClientDriver_str(i)); |
b162b49a HB |
3610 | } |
3611 | } | |
3612 | ||
2da1b3ab | 3613 | void device_add_completion(ReadLineState *rs, int nb_args, const char *str) |
992d3e64 HB |
3614 | { |
3615 | GSList *list, *elt; | |
3616 | size_t len; | |
3617 | ||
2da1b3ab HB |
3618 | if (nb_args != 2) { |
3619 | return; | |
3620 | } | |
3621 | ||
992d3e64 HB |
3622 | len = strlen(str); |
3623 | readline_set_completion_index(rs, len); | |
3624 | list = elt = object_class_get_list(TYPE_DEVICE, false); | |
3625 | while (elt) { | |
3626 | const char *name; | |
3627 | DeviceClass *dc = OBJECT_CLASS_CHECK(DeviceClass, elt->data, | |
3628 | TYPE_DEVICE); | |
3629 | name = object_class_get_name(OBJECT_CLASS(dc)); | |
2da1b3ab | 3630 | |
e90f2a8c | 3631 | if (dc->user_creatable |
2da1b3ab | 3632 | && !strncmp(name, str, len)) { |
992d3e64 HB |
3633 | readline_add_completion(rs, name); |
3634 | } | |
3635 | elt = elt->next; | |
3636 | } | |
3637 | g_slist_free(list); | |
3638 | } | |
3639 | ||
bfa40f77 | 3640 | void object_add_completion(ReadLineState *rs, int nb_args, const char *str) |
1094fd3a HB |
3641 | { |
3642 | GSList *list, *elt; | |
3643 | size_t len; | |
3644 | ||
bfa40f77 HB |
3645 | if (nb_args != 2) { |
3646 | return; | |
3647 | } | |
3648 | ||
1094fd3a HB |
3649 | len = strlen(str); |
3650 | readline_set_completion_index(rs, len); | |
3651 | list = elt = object_class_get_list(TYPE_USER_CREATABLE, false); | |
3652 | while (elt) { | |
3653 | const char *name; | |
3654 | ||
3655 | name = object_class_get_name(OBJECT_CLASS(elt->data)); | |
3656 | if (!strncmp(name, str, len) && strcmp(name, TYPE_USER_CREATABLE)) { | |
3657 | readline_add_completion(rs, name); | |
3658 | } | |
3659 | elt = elt->next; | |
3660 | } | |
3661 | g_slist_free(list); | |
3662 | } | |
3663 | ||
6a1fa9f5 ZG |
3664 | static void peripheral_device_del_completion(ReadLineState *rs, |
3665 | const char *str, size_t len) | |
3666 | { | |
4cae4d5a MA |
3667 | Object *peripheral = container_get(qdev_get_machine(), "/peripheral"); |
3668 | GSList *list, *item; | |
6a1fa9f5 | 3669 | |
4cae4d5a MA |
3670 | list = qdev_build_hotpluggable_device_list(peripheral); |
3671 | if (!list) { | |
6a1fa9f5 ZG |
3672 | return; |
3673 | } | |
3674 | ||
6a1fa9f5 ZG |
3675 | for (item = list; item; item = g_slist_next(item)) { |
3676 | DeviceState *dev = item->data; | |
3677 | ||
3678 | if (dev->id && !strncmp(str, dev->id, len)) { | |
3679 | readline_add_completion(rs, dev->id); | |
3680 | } | |
3681 | } | |
3682 | ||
3683 | g_slist_free(list); | |
3684 | } | |
3685 | ||
6297d9a2 HB |
3686 | void chardev_remove_completion(ReadLineState *rs, int nb_args, const char *str) |
3687 | { | |
3688 | size_t len; | |
3689 | ChardevInfoList *list, *start; | |
3690 | ||
3691 | if (nb_args != 2) { | |
3692 | return; | |
3693 | } | |
3694 | len = strlen(str); | |
3695 | readline_set_completion_index(rs, len); | |
3696 | ||
3697 | start = list = qmp_query_chardev(NULL); | |
3698 | while (list) { | |
3699 | ChardevInfo *chr = list->value; | |
3700 | ||
3701 | if (!strncmp(chr->label, str, len)) { | |
3702 | readline_add_completion(rs, chr->label); | |
3703 | } | |
3704 | list = list->next; | |
3705 | } | |
3706 | qapi_free_ChardevInfoList(start); | |
3707 | } | |
3708 | ||
8e597779 HB |
3709 | static void ringbuf_completion(ReadLineState *rs, const char *str) |
3710 | { | |
3711 | size_t len; | |
3712 | ChardevInfoList *list, *start; | |
3713 | ||
3714 | len = strlen(str); | |
3715 | readline_set_completion_index(rs, len); | |
3716 | ||
3717 | start = list = qmp_query_chardev(NULL); | |
3718 | while (list) { | |
3719 | ChardevInfo *chr_info = list->value; | |
3720 | ||
3721 | if (!strncmp(chr_info->label, str, len)) { | |
0ec7b3e7 | 3722 | Chardev *chr = qemu_chr_find(chr_info->label); |
777357d7 | 3723 | if (chr && CHARDEV_IS_RINGBUF(chr)) { |
8e597779 HB |
3724 | readline_add_completion(rs, chr_info->label); |
3725 | } | |
3726 | } | |
3727 | list = list->next; | |
3728 | } | |
3729 | qapi_free_ChardevInfoList(start); | |
3730 | } | |
3731 | ||
8e597779 HB |
3732 | void ringbuf_write_completion(ReadLineState *rs, int nb_args, const char *str) |
3733 | { | |
3734 | if (nb_args != 2) { | |
3735 | return; | |
3736 | } | |
3737 | ringbuf_completion(rs, str); | |
3738 | } | |
3739 | ||
2da1b3ab HB |
3740 | void device_del_completion(ReadLineState *rs, int nb_args, const char *str) |
3741 | { | |
3742 | size_t len; | |
3743 | ||
3744 | if (nb_args != 2) { | |
3745 | return; | |
3746 | } | |
3747 | ||
3748 | len = strlen(str); | |
3749 | readline_set_completion_index(rs, len); | |
6a1fa9f5 | 3750 | peripheral_device_del_completion(rs, str, len); |
2da1b3ab HB |
3751 | } |
3752 | ||
bfa40f77 | 3753 | void object_del_completion(ReadLineState *rs, int nb_args, const char *str) |
b48fa074 HB |
3754 | { |
3755 | ObjectPropertyInfoList *list, *start; | |
3756 | size_t len; | |
3757 | ||
bfa40f77 HB |
3758 | if (nb_args != 2) { |
3759 | return; | |
3760 | } | |
b48fa074 HB |
3761 | len = strlen(str); |
3762 | readline_set_completion_index(rs, len); | |
3763 | ||
3764 | start = list = qmp_qom_list("/objects", NULL); | |
3765 | while (list) { | |
3766 | ObjectPropertyInfo *info = list->value; | |
3767 | ||
3768 | if (!strncmp(info->type, "child<", 5) | |
3769 | && !strncmp(info->name, str, len)) { | |
3770 | readline_add_completion(rs, info->name); | |
3771 | } | |
3772 | list = list->next; | |
3773 | } | |
3774 | qapi_free_ObjectPropertyInfoList(start); | |
3775 | } | |
3776 | ||
29136cd8 HB |
3777 | void sendkey_completion(ReadLineState *rs, int nb_args, const char *str) |
3778 | { | |
3779 | int i; | |
3780 | char *sep; | |
3781 | size_t len; | |
3782 | ||
3783 | if (nb_args != 2) { | |
3784 | return; | |
3785 | } | |
3786 | sep = strrchr(str, '-'); | |
3787 | if (sep) { | |
3788 | str = sep + 1; | |
3789 | } | |
3790 | len = strlen(str); | |
3791 | readline_set_completion_index(rs, len); | |
7fb1cf16 | 3792 | for (i = 0; i < Q_KEY_CODE__MAX; i++) { |
977c736f MA |
3793 | if (!strncmp(str, QKeyCode_str(i), len)) { |
3794 | readline_add_completion(rs, QKeyCode_str(i)); | |
29136cd8 HB |
3795 | } |
3796 | } | |
3797 | } | |
3798 | ||
40d19394 HB |
3799 | void set_link_completion(ReadLineState *rs, int nb_args, const char *str) |
3800 | { | |
3801 | size_t len; | |
3802 | ||
3803 | len = strlen(str); | |
3804 | readline_set_completion_index(rs, len); | |
3805 | if (nb_args == 2) { | |
eaed483c | 3806 | NetClientState *ncs[MAX_QUEUE_NUM]; |
40d19394 HB |
3807 | int count, i; |
3808 | count = qemu_find_net_clients_except(NULL, ncs, | |
f394b2e2 | 3809 | NET_CLIENT_DRIVER_NONE, |
eaed483c | 3810 | MAX_QUEUE_NUM); |
bcfa4d60 | 3811 | for (i = 0; i < MIN(count, MAX_QUEUE_NUM); i++) { |
40d19394 HB |
3812 | const char *name = ncs[i]->name; |
3813 | if (!strncmp(str, name, len)) { | |
3814 | readline_add_completion(rs, name); | |
3815 | } | |
3816 | } | |
3817 | } else if (nb_args == 3) { | |
3818 | add_completion_option(rs, str, "on"); | |
3819 | add_completion_option(rs, str, "off"); | |
3820 | } | |
3821 | } | |
3822 | ||
11b389f2 HB |
3823 | void netdev_del_completion(ReadLineState *rs, int nb_args, const char *str) |
3824 | { | |
3825 | int len, count, i; | |
eaed483c | 3826 | NetClientState *ncs[MAX_QUEUE_NUM]; |
11b389f2 HB |
3827 | |
3828 | if (nb_args != 2) { | |
3829 | return; | |
3830 | } | |
3831 | ||
3832 | len = strlen(str); | |
3833 | readline_set_completion_index(rs, len); | |
f394b2e2 | 3834 | count = qemu_find_net_clients_except(NULL, ncs, NET_CLIENT_DRIVER_NIC, |
eaed483c | 3835 | MAX_QUEUE_NUM); |
bcfa4d60 | 3836 | for (i = 0; i < MIN(count, MAX_QUEUE_NUM); i++) { |
11b389f2 HB |
3837 | QemuOpts *opts; |
3838 | const char *name = ncs[i]->name; | |
3839 | if (strncmp(str, name, len)) { | |
3840 | continue; | |
3841 | } | |
3842 | opts = qemu_opts_find(qemu_find_opts_err("netdev", NULL), name); | |
3843 | if (opts) { | |
3844 | readline_add_completion(rs, name); | |
3845 | } | |
3846 | } | |
3847 | } | |
3848 | ||
bd71211d LV |
3849 | void info_trace_events_completion(ReadLineState *rs, int nb_args, const char *str) |
3850 | { | |
3851 | size_t len; | |
3852 | ||
3853 | len = strlen(str); | |
3854 | readline_set_completion_index(rs, len); | |
3855 | if (nb_args == 2) { | |
0d4e995c DB |
3856 | TraceEventIter iter; |
3857 | TraceEvent *ev; | |
3858 | char *pattern = g_strdup_printf("%s*", str); | |
3859 | trace_event_iter_init(&iter, pattern); | |
3860 | while ((ev = trace_event_iter_next(&iter)) != NULL) { | |
3861 | readline_add_completion(rs, trace_event_get_name(ev)); | |
bd71211d | 3862 | } |
0d4e995c | 3863 | g_free(pattern); |
bd71211d LV |
3864 | } |
3865 | } | |
3866 | ||
987bd270 DDAG |
3867 | void trace_event_completion(ReadLineState *rs, int nb_args, const char *str) |
3868 | { | |
3869 | size_t len; | |
3870 | ||
3871 | len = strlen(str); | |
3872 | readline_set_completion_index(rs, len); | |
3873 | if (nb_args == 2) { | |
0d4e995c DB |
3874 | TraceEventIter iter; |
3875 | TraceEvent *ev; | |
3876 | char *pattern = g_strdup_printf("%s*", str); | |
3877 | trace_event_iter_init(&iter, pattern); | |
3878 | while ((ev = trace_event_iter_next(&iter)) != NULL) { | |
3879 | readline_add_completion(rs, trace_event_get_name(ev)); | |
3880 | } | |
3881 | g_free(pattern); | |
987bd270 DDAG |
3882 | } else if (nb_args == 3) { |
3883 | add_completion_option(rs, str, "on"); | |
3884 | add_completion_option(rs, str, "off"); | |
3885 | } | |
3886 | } | |
3887 | ||
d0ece345 HB |
3888 | void watchdog_action_completion(ReadLineState *rs, int nb_args, const char *str) |
3889 | { | |
4bb08af3 HB |
3890 | int i; |
3891 | ||
d0ece345 HB |
3892 | if (nb_args != 2) { |
3893 | return; | |
3894 | } | |
3895 | readline_set_completion_index(rs, strlen(str)); | |
14d53b4f MP |
3896 | for (i = 0; i < WATCHDOG_ACTION__MAX; i++) { |
3897 | add_completion_option(rs, str, WatchdogAction_str(i)); | |
4bb08af3 | 3898 | } |
d0ece345 HB |
3899 | } |
3900 | ||
c68a0409 HB |
3901 | void migrate_set_capability_completion(ReadLineState *rs, int nb_args, |
3902 | const char *str) | |
3903 | { | |
3904 | size_t len; | |
3905 | ||
3906 | len = strlen(str); | |
3907 | readline_set_completion_index(rs, len); | |
3908 | if (nb_args == 2) { | |
3909 | int i; | |
7fb1cf16 | 3910 | for (i = 0; i < MIGRATION_CAPABILITY__MAX; i++) { |
977c736f | 3911 | const char *name = MigrationCapability_str(i); |
c68a0409 HB |
3912 | if (!strncmp(str, name, len)) { |
3913 | readline_add_completion(rs, name); | |
3914 | } | |
3915 | } | |
3916 | } else if (nb_args == 3) { | |
3917 | add_completion_option(rs, str, "on"); | |
3918 | add_completion_option(rs, str, "off"); | |
3919 | } | |
3920 | } | |
3921 | ||
50e9a629 LL |
3922 | void migrate_set_parameter_completion(ReadLineState *rs, int nb_args, |
3923 | const char *str) | |
3924 | { | |
3925 | size_t len; | |
3926 | ||
3927 | len = strlen(str); | |
3928 | readline_set_completion_index(rs, len); | |
3929 | if (nb_args == 2) { | |
3930 | int i; | |
7fb1cf16 | 3931 | for (i = 0; i < MIGRATION_PARAMETER__MAX; i++) { |
977c736f | 3932 | const char *name = MigrationParameter_str(i); |
50e9a629 LL |
3933 | if (!strncmp(str, name, len)) { |
3934 | readline_add_completion(rs, name); | |
3935 | } | |
3936 | } | |
3937 | } | |
3938 | } | |
3939 | ||
b21631f3 HB |
3940 | static void vm_completion(ReadLineState *rs, const char *str) |
3941 | { | |
3942 | size_t len; | |
7c8eece4 | 3943 | BlockDriverState *bs; |
88be7b4b | 3944 | BdrvNextIterator it; |
b21631f3 HB |
3945 | |
3946 | len = strlen(str); | |
3947 | readline_set_completion_index(rs, len); | |
7c8eece4 | 3948 | |
88be7b4b | 3949 | for (bs = bdrv_first(&it); bs; bs = bdrv_next(&it)) { |
b21631f3 | 3950 | SnapshotInfoList *snapshots, *snapshot; |
6bf1faa8 DL |
3951 | AioContext *ctx = bdrv_get_aio_context(bs); |
3952 | bool ok = false; | |
b21631f3 | 3953 | |
6bf1faa8 DL |
3954 | aio_context_acquire(ctx); |
3955 | if (bdrv_can_snapshot(bs)) { | |
3956 | ok = bdrv_query_snapshot_info_list(bs, &snapshots, NULL) == 0; | |
b21631f3 | 3957 | } |
6bf1faa8 DL |
3958 | aio_context_release(ctx); |
3959 | if (!ok) { | |
b21631f3 HB |
3960 | continue; |
3961 | } | |
6bf1faa8 | 3962 | |
b21631f3 HB |
3963 | snapshot = snapshots; |
3964 | while (snapshot) { | |
3965 | char *completion = snapshot->value->name; | |
3966 | if (!strncmp(str, completion, len)) { | |
3967 | readline_add_completion(rs, completion); | |
3968 | } | |
3969 | completion = snapshot->value->id; | |
3970 | if (!strncmp(str, completion, len)) { | |
3971 | readline_add_completion(rs, completion); | |
3972 | } | |
3973 | snapshot = snapshot->next; | |
3974 | } | |
3975 | qapi_free_SnapshotInfoList(snapshots); | |
3976 | } | |
3977 | ||
3978 | } | |
3979 | ||
3980 | void delvm_completion(ReadLineState *rs, int nb_args, const char *str) | |
3981 | { | |
3982 | if (nb_args == 2) { | |
3983 | vm_completion(rs, str); | |
3984 | } | |
3985 | } | |
3986 | ||
3987 | void loadvm_completion(ReadLineState *rs, int nb_args, const char *str) | |
3988 | { | |
3989 | if (nb_args == 2) { | |
3990 | vm_completion(rs, str); | |
3991 | } | |
3992 | } | |
3993 | ||
c35b6400 WX |
3994 | static void monitor_find_completion_by_table(Monitor *mon, |
3995 | const mon_cmd_t *cmd_table, | |
3996 | char **args, | |
3997 | int nb_args) | |
81d0912d FB |
3998 | { |
3999 | const char *cmdname; | |
c35b6400 | 4000 | int i; |
bf67f1c0 | 4001 | const char *ptype, *old_ptype, *str, *name; |
c227f099 | 4002 | const mon_cmd_t *cmd; |
da27a00e | 4003 | BlockBackend *blk = NULL; |
81d0912d | 4004 | |
81d0912d FB |
4005 | if (nb_args <= 1) { |
4006 | /* command completion */ | |
4007 | if (nb_args == 0) | |
4008 | cmdname = ""; | |
4009 | else | |
4010 | cmdname = args[0]; | |
d2674b2c | 4011 | readline_set_completion_index(mon->rs, strlen(cmdname)); |
c35b6400 | 4012 | for (cmd = cmd_table; cmd->name != NULL; cmd++) { |
6d9f7839 DDAG |
4013 | if (!runstate_check(RUN_STATE_PRECONFIG) || |
4014 | cmd_can_preconfig(cmd)) { | |
4015 | cmd_completion(mon, cmdname, cmd->name); | |
4016 | } | |
81d0912d FB |
4017 | } |
4018 | } else { | |
4019 | /* find the command */ | |
c35b6400 | 4020 | for (cmd = cmd_table; cmd->name != NULL; cmd++) { |
6d9f7839 DDAG |
4021 | if (compare_cmd(args[0], cmd->name) && |
4022 | (!runstate_check(RUN_STATE_PRECONFIG) || | |
4023 | cmd_can_preconfig(cmd))) { | |
03a63484 JK |
4024 | break; |
4025 | } | |
81d0912d | 4026 | } |
03a63484 | 4027 | if (!cmd->name) { |
c35b6400 | 4028 | return; |
03a63484 JK |
4029 | } |
4030 | ||
d903a779 WX |
4031 | if (cmd->sub_table) { |
4032 | /* do the job again */ | |
e7ae771f SW |
4033 | monitor_find_completion_by_table(mon, cmd->sub_table, |
4034 | &args[1], nb_args - 1); | |
4035 | return; | |
d903a779 | 4036 | } |
bfa40f77 | 4037 | if (cmd->command_completion) { |
e7ae771f SW |
4038 | cmd->command_completion(mon->rs, nb_args, args[nb_args - 1]); |
4039 | return; | |
bfa40f77 | 4040 | } |
d903a779 | 4041 | |
4d76d2ba | 4042 | ptype = next_arg_type(cmd->args_type); |
81d0912d FB |
4043 | for(i = 0; i < nb_args - 2; i++) { |
4044 | if (*ptype != '\0') { | |
4d76d2ba | 4045 | ptype = next_arg_type(ptype); |
81d0912d | 4046 | while (*ptype == '?') |
4d76d2ba | 4047 | ptype = next_arg_type(ptype); |
81d0912d FB |
4048 | } |
4049 | } | |
4050 | str = args[nb_args - 1]; | |
bf67f1c0 DDAG |
4051 | old_ptype = NULL; |
4052 | while (*ptype == '-' && old_ptype != ptype) { | |
4053 | old_ptype = ptype; | |
3b6dbf27 | 4054 | ptype = next_arg_type(ptype); |
2a1704a7 | 4055 | } |
81d0912d FB |
4056 | switch(*ptype) { |
4057 | case 'F': | |
4058 | /* file completion */ | |
d2674b2c | 4059 | readline_set_completion_index(mon->rs, strlen(str)); |
cb8f68b1 | 4060 | file_completion(mon, str); |
81d0912d FB |
4061 | break; |
4062 | case 'B': | |
4063 | /* block device name completion */ | |
599a926a | 4064 | readline_set_completion_index(mon->rs, strlen(str)); |
da27a00e HR |
4065 | while ((blk = blk_next(blk)) != NULL) { |
4066 | name = blk_name(blk); | |
fea68bb6 MA |
4067 | if (str[0] == '\0' || |
4068 | !strncmp(name, str, strlen(str))) { | |
4069 | readline_add_completion(mon->rs, name); | |
4070 | } | |
4071 | } | |
81d0912d | 4072 | break; |
7fe48483 | 4073 | case 's': |
129be006 | 4074 | case 'S': |
29136cd8 | 4075 | if (!strcmp(cmd->name, "help|?")) { |
7ca0e061 WX |
4076 | monitor_find_completion_by_table(mon, cmd_table, |
4077 | &args[1], nb_args - 1); | |
7fe48483 FB |
4078 | } |
4079 | break; | |
81d0912d FB |
4080 | default: |
4081 | break; | |
4082 | } | |
4083 | } | |
c35b6400 WX |
4084 | } |
4085 | ||
c60bf339 | 4086 | static void monitor_find_completion(void *opaque, |
c35b6400 WX |
4087 | const char *cmdline) |
4088 | { | |
c60bf339 | 4089 | Monitor *mon = opaque; |
c35b6400 WX |
4090 | char *args[MAX_ARGS]; |
4091 | int nb_args, len; | |
4092 | ||
4093 | /* 1. parse the cmdline */ | |
4094 | if (parse_cmdline(cmdline, &nb_args, args) < 0) { | |
4095 | return; | |
4096 | } | |
c35b6400 WX |
4097 | |
4098 | /* if the line ends with a space, it means we want to complete the | |
4099 | next arg */ | |
4100 | len = strlen(cmdline); | |
4101 | if (len > 0 && qemu_isspace(cmdline[len - 1])) { | |
4102 | if (nb_args >= MAX_ARGS) { | |
4103 | goto cleanup; | |
4104 | } | |
4105 | args[nb_args++] = g_strdup(""); | |
4106 | } | |
4107 | ||
4108 | /* 2. auto complete according to args */ | |
4109 | monitor_find_completion_by_table(mon, mon->cmd_table, args, nb_args); | |
03a63484 JK |
4110 | |
4111 | cleanup: | |
dcc70cdf | 4112 | free_cmdline_args(args, nb_args); |
81d0912d FB |
4113 | } |
4114 | ||
731b0364 | 4115 | static int monitor_can_read(void *opaque) |
9dc39cba | 4116 | { |
731b0364 AL |
4117 | Monitor *mon = opaque; |
4118 | ||
df152fb9 | 4119 | return !atomic_mb_read(&mon->suspend_cnt); |
9dc39cba FB |
4120 | } |
4121 | ||
546aa566 | 4122 | /* |
7cb2123f MA |
4123 | * Emit QMP response @rsp with ID @id to @mon. |
4124 | * Null @rsp can only happen for commands with QCO_NO_SUCCESS_RESP. | |
4125 | * Nothing is emitted then. | |
546aa566 | 4126 | */ |
4eaca8de | 4127 | static void monitor_qmp_respond(Monitor *mon, QDict *rsp) |
546aa566 | 4128 | { |
546aa566 | 4129 | if (rsp) { |
27656018 | 4130 | qmp_send_response(mon, rsp); |
546aa566 | 4131 | } |
546aa566 PX |
4132 | } |
4133 | ||
4eaca8de | 4134 | static void monitor_qmp_dispatch(Monitor *mon, QObject *req) |
5fa737a4 | 4135 | { |
b2731456 | 4136 | Monitor *old_mon; |
d43b1694 | 4137 | QDict *rsp; |
69240fe6 | 4138 | QDict *error; |
b097efc0 | 4139 | |
227a0755 PX |
4140 | old_mon = cur_mon; |
4141 | cur_mon = mon; | |
4142 | ||
674ed722 | 4143 | rsp = qmp_dispatch(mon->qmp.commands, req, qmp_oob_enabled(mon)); |
5fa737a4 | 4144 | |
227a0755 PX |
4145 | cur_mon = old_mon; |
4146 | ||
69240fe6 | 4147 | if (mon->qmp.commands == &qmp_cap_negotiation_commands) { |
d43b1694 | 4148 | error = qdict_get_qdict(rsp, "error"); |
69240fe6 MA |
4149 | if (error |
4150 | && !g_strcmp0(qdict_get_try_str(error, "class"), | |
4151 | QapiErrorClass_str(ERROR_CLASS_COMMAND_NOT_FOUND))) { | |
4152 | /* Provide a more useful error message */ | |
4153 | qdict_del(error, "desc"); | |
4154 | qdict_put_str(error, "desc", "Expecting capabilities negotiation" | |
4155 | " with 'qmp_capabilities'"); | |
4156 | } | |
71da4667 | 4157 | } |
5fa737a4 | 4158 | |
4eaca8de | 4159 | monitor_qmp_respond(mon, rsp); |
7cb2123f | 4160 | qobject_unref(rsp); |
5fa737a4 LC |
4161 | } |
4162 | ||
71da4667 | 4163 | /* |
774a6b67 MA |
4164 | * Pop a QMP request from a monitor request queue. |
4165 | * Return the request, or NULL all request queues are empty. | |
71da4667 PX |
4166 | * We are using round-robin fashion to pop the request, to avoid |
4167 | * processing commands only on a very busy monitor. To achieve that, | |
4168 | * when we process one request on a specific monitor, we put that | |
4169 | * monitor to the end of mon_list queue. | |
9ab84470 PX |
4170 | * |
4171 | * Note: if the function returned with non-NULL, then the caller will | |
4172 | * be with mon->qmp.qmp_queue_lock held, and the caller is responsible | |
4173 | * to release it. | |
71da4667 | 4174 | */ |
9ab84470 | 4175 | static QMPRequest *monitor_qmp_requests_pop_any_with_lock(void) |
71da4667 PX |
4176 | { |
4177 | QMPRequest *req_obj = NULL; | |
4178 | Monitor *mon; | |
4179 | ||
4180 | qemu_mutex_lock(&monitor_lock); | |
4181 | ||
4182 | QTAILQ_FOREACH(mon, &mon_list, entry) { | |
4183 | qemu_mutex_lock(&mon->qmp.qmp_queue_lock); | |
4184 | req_obj = g_queue_pop_head(mon->qmp.qmp_requests); | |
71da4667 | 4185 | if (req_obj) { |
9ab84470 | 4186 | /* With the lock of corresponding queue held */ |
71da4667 PX |
4187 | break; |
4188 | } | |
9ab84470 | 4189 | qemu_mutex_unlock(&mon->qmp.qmp_queue_lock); |
71da4667 PX |
4190 | } |
4191 | ||
4192 | if (req_obj) { | |
4193 | /* | |
4194 | * We found one request on the monitor. Degrade this monitor's | |
4195 | * priority to lowest by re-inserting it to end of queue. | |
4196 | */ | |
4197 | QTAILQ_REMOVE(&mon_list, mon, entry); | |
4198 | QTAILQ_INSERT_TAIL(&mon_list, mon, entry); | |
4199 | } | |
4200 | ||
4201 | qemu_mutex_unlock(&monitor_lock); | |
4202 | ||
4203 | return req_obj; | |
4204 | } | |
4205 | ||
4206 | static void monitor_qmp_bh_dispatcher(void *data) | |
4207 | { | |
9ab84470 | 4208 | QMPRequest *req_obj = monitor_qmp_requests_pop_any_with_lock(); |
7cb2123f | 4209 | QDict *rsp; |
176160ce | 4210 | bool need_resume; |
9ab84470 | 4211 | Monitor *mon; |
71da4667 | 4212 | |
b2731456 MA |
4213 | if (!req_obj) { |
4214 | return; | |
71da4667 | 4215 | } |
b2731456 | 4216 | |
9ab84470 | 4217 | mon = req_obj->mon; |
176160ce | 4218 | /* qmp_oob_enabled() might change after "qmp_capabilities" */ |
9ab84470 PX |
4219 | need_resume = !qmp_oob_enabled(mon) || |
4220 | mon->qmp.qmp_requests->length == QMP_REQ_QUEUE_LEN_MAX - 1; | |
4221 | qemu_mutex_unlock(&mon->qmp.qmp_queue_lock); | |
1cc37471 | 4222 | if (req_obj->req) { |
4eaca8de MAL |
4223 | QDict *qdict = qobject_to(QDict, req_obj->req); |
4224 | QObject *id = qdict ? qdict_get(qdict, "id") : NULL; | |
4225 | trace_monitor_qmp_cmd_in_band(qobject_get_try_str(id) ?: ""); | |
4226 | monitor_qmp_dispatch(mon, req_obj->req); | |
1cc37471 MA |
4227 | } else { |
4228 | assert(req_obj->err); | |
7cb2123f | 4229 | rsp = qmp_error_response(req_obj->err); |
42eab8db | 4230 | req_obj->err = NULL; |
4eaca8de | 4231 | monitor_qmp_respond(mon, rsp); |
7cb2123f | 4232 | qobject_unref(rsp); |
1cc37471 MA |
4233 | } |
4234 | ||
176160ce | 4235 | if (need_resume) { |
b2731456 | 4236 | /* Pairs with the monitor_suspend() in handle_qmp_command() */ |
9ab84470 | 4237 | monitor_resume(mon); |
71da4667 | 4238 | } |
b2731456 MA |
4239 | qmp_request_free(req_obj); |
4240 | ||
4241 | /* Reschedule instead of looping so the main loop stays responsive */ | |
cab5ad86 | 4242 | qemu_bh_schedule(qmp_dispatcher_bh); |
71da4667 PX |
4243 | } |
4244 | ||
62815d85 | 4245 | static void handle_qmp_command(void *opaque, QObject *req, Error *err) |
71da4667 | 4246 | { |
62815d85 MA |
4247 | Monitor *mon = opaque; |
4248 | QObject *id = NULL; | |
0fa39d0b | 4249 | QDict *qdict; |
71da4667 PX |
4250 | QMPRequest *req_obj; |
4251 | ||
84a56f38 | 4252 | assert(!req != !err); |
cf869d53 | 4253 | |
0fa39d0b MA |
4254 | qdict = qobject_to(QDict, req); |
4255 | if (qdict) { | |
4eaca8de | 4256 | id = qdict_get(qdict, "id"); |
0fa39d0b | 4257 | } /* else will fail qmp_dispatch() */ |
71da4667 | 4258 | |
8720e63e | 4259 | if (req && trace_event_get_state_backends(TRACE_HANDLE_QMP_COMMAND)) { |
45434ba4 MA |
4260 | QString *req_json = qobject_to_json(req); |
4261 | trace_handle_qmp_command(mon, qstring_get_str(req_json)); | |
4262 | qobject_unref(req_json); | |
cf869d53 PX |
4263 | } |
4264 | ||
69240fe6 | 4265 | if (qdict && qmp_is_oob(qdict)) { |
774a6b67 | 4266 | /* OOB commands are executed immediately */ |
4eaca8de MAL |
4267 | trace_monitor_qmp_cmd_out_of_band(qobject_get_try_str(id) ?: ""); |
4268 | monitor_qmp_dispatch(mon, req); | |
cb9ec42f | 4269 | qobject_unref(req); |
cf869d53 | 4270 | return; |
cf869d53 PX |
4271 | } |
4272 | ||
71da4667 PX |
4273 | req_obj = g_new0(QMPRequest, 1); |
4274 | req_obj->mon = mon; | |
71da4667 | 4275 | req_obj->req = req; |
1cc37471 | 4276 | req_obj->err = err; |
71da4667 | 4277 | |
bf1e7301 PX |
4278 | /* Protect qmp_requests and fetching its length. */ |
4279 | qemu_mutex_lock(&mon->qmp.qmp_queue_lock); | |
4280 | ||
71da4667 | 4281 | /* |
9ab84470 PX |
4282 | * Suspend the monitor when we can't queue more requests after |
4283 | * this one. Dequeuing in monitor_qmp_bh_dispatcher() will resume | |
4284 | * it. Note that when OOB is disabled, we queue at most one | |
4285 | * command, for backward compatibility. | |
71da4667 | 4286 | */ |
9ab84470 PX |
4287 | if (!qmp_oob_enabled(mon) || |
4288 | mon->qmp.qmp_requests->length == QMP_REQ_QUEUE_LEN_MAX - 1) { | |
71da4667 | 4289 | monitor_suspend(mon); |
71da4667 PX |
4290 | } |
4291 | ||
4292 | /* | |
4293 | * Put the request to the end of queue so that requests will be | |
4eaca8de | 4294 | * handled in time order. Ownership for req_obj, req, |
71da4667 PX |
4295 | * etc. will be delivered to the handler side. |
4296 | */ | |
9ab84470 | 4297 | assert(mon->qmp.qmp_requests->length < QMP_REQ_QUEUE_LEN_MAX); |
71da4667 PX |
4298 | g_queue_push_tail(mon->qmp.qmp_requests, req_obj); |
4299 | qemu_mutex_unlock(&mon->qmp.qmp_queue_lock); | |
4300 | ||
4301 | /* Kick the dispatcher routine */ | |
cab5ad86 | 4302 | qemu_bh_schedule(qmp_dispatcher_bh); |
71da4667 PX |
4303 | } |
4304 | ||
c83fe23b | 4305 | static void monitor_qmp_read(void *opaque, const uint8_t *buf, int size) |
9b57c02e | 4306 | { |
227a0755 | 4307 | Monitor *mon = opaque; |
9b57c02e | 4308 | |
227a0755 | 4309 | json_message_parser_feed(&mon->qmp.parser, (const char *) buf, size); |
9b57c02e LC |
4310 | } |
4311 | ||
731b0364 | 4312 | static void monitor_read(void *opaque, const uint8_t *buf, int size) |
9dc39cba | 4313 | { |
731b0364 | 4314 | Monitor *old_mon = cur_mon; |
7e2515e8 | 4315 | int i; |
376253ec | 4316 | |
731b0364 AL |
4317 | cur_mon = opaque; |
4318 | ||
cde76ee1 AL |
4319 | if (cur_mon->rs) { |
4320 | for (i = 0; i < size; i++) | |
4321 | readline_handle_byte(cur_mon->rs, buf[i]); | |
4322 | } else { | |
4323 | if (size == 0 || buf[size - 1] != 0) | |
4324 | monitor_printf(cur_mon, "corrupted command\n"); | |
4325 | else | |
7ef6cf63 | 4326 | handle_hmp_command(cur_mon, (char *)buf); |
cde76ee1 | 4327 | } |
9dc39cba | 4328 | |
731b0364 AL |
4329 | cur_mon = old_mon; |
4330 | } | |
d8f44609 | 4331 | |
c60bf339 SH |
4332 | static void monitor_command_cb(void *opaque, const char *cmdline, |
4333 | void *readline_opaque) | |
aa455485 | 4334 | { |
c60bf339 SH |
4335 | Monitor *mon = opaque; |
4336 | ||
731b0364 | 4337 | monitor_suspend(mon); |
7ef6cf63 | 4338 | handle_hmp_command(mon, cmdline); |
731b0364 | 4339 | monitor_resume(mon); |
d8f44609 AL |
4340 | } |
4341 | ||
cde76ee1 | 4342 | int monitor_suspend(Monitor *mon) |
d8f44609 | 4343 | { |
e3e977d4 | 4344 | if (monitor_is_hmp_non_interactive(mon)) { |
cde76ee1 | 4345 | return -ENOTTY; |
e3e977d4 PX |
4346 | } |
4347 | ||
df152fb9 | 4348 | atomic_inc(&mon->suspend_cnt); |
e3e977d4 | 4349 | |
ef12a703 | 4350 | if (mon->use_io_thread) { |
e3e977d4 | 4351 | /* |
c5f57ed0 | 4352 | * Kick I/O thread to make sure this takes effect. It'll be |
e3e977d4 PX |
4353 | * evaluated again in prepare() of the watch object. |
4354 | */ | |
cab5ad86 | 4355 | aio_notify(iothread_get_aio_context(mon_iothread)); |
e3e977d4 PX |
4356 | } |
4357 | ||
4358 | trace_monitor_suspend(mon, 1); | |
cde76ee1 | 4359 | return 0; |
d8f44609 AL |
4360 | } |
4361 | ||
ef12a703 MAL |
4362 | static void monitor_accept_input(void *opaque) |
4363 | { | |
4364 | Monitor *mon = opaque; | |
4365 | ||
4366 | qemu_chr_fe_accept_input(&mon->chr); | |
4367 | } | |
4368 | ||
376253ec | 4369 | void monitor_resume(Monitor *mon) |
d8f44609 | 4370 | { |
e3e977d4 | 4371 | if (monitor_is_hmp_non_interactive(mon)) { |
cde76ee1 | 4372 | return; |
e3e977d4 PX |
4373 | } |
4374 | ||
df152fb9 | 4375 | if (atomic_dec_fetch(&mon->suspend_cnt) == 0) { |
ef12a703 MAL |
4376 | AioContext *ctx; |
4377 | ||
4378 | if (mon->use_io_thread) { | |
4379 | ctx = iothread_get_aio_context(mon_iothread); | |
e3e977d4 | 4380 | } else { |
ef12a703 MAL |
4381 | ctx = qemu_get_aio_context(); |
4382 | } | |
4383 | ||
4384 | if (!monitor_is_qmp(mon)) { | |
e3e977d4 PX |
4385 | assert(mon->rs); |
4386 | readline_show_prompt(mon->rs); | |
4387 | } | |
ef12a703 MAL |
4388 | |
4389 | aio_bh_schedule_oneshot(ctx, monitor_accept_input, mon); | |
df152fb9 | 4390 | } |
ef12a703 | 4391 | |
e3e977d4 | 4392 | trace_monitor_suspend(mon, -1); |
aa455485 FB |
4393 | } |
4394 | ||
1816604b | 4395 | static QDict *qmp_greeting(Monitor *mon) |
ca9567e2 | 4396 | { |
02130314 | 4397 | QList *cap_list = qlist_new(); |
b9c15f16 | 4398 | QObject *ver = NULL; |
02130314 | 4399 | QMPCapability cap; |
ca9567e2 | 4400 | |
7fad30f0 | 4401 | qmp_marshal_query_version(NULL, &ver, NULL); |
c823501e | 4402 | |
02130314 | 4403 | for (cap = 0; cap < QMP_CAPABILITY__MAX; cap++) { |
279f9e08 MA |
4404 | if (mon->qmp.capab_offered[cap]) { |
4405 | qlist_append_str(cap_list, QMPCapability_str(cap)); | |
02130314 | 4406 | } |
02130314 PX |
4407 | } |
4408 | ||
1816604b MA |
4409 | return qdict_from_jsonf_nofail( |
4410 | "{'QMP': {'version': %p, 'capabilities': %p}}", | |
4411 | ver, cap_list); | |
ca9567e2 LC |
4412 | } |
4413 | ||
c83fe23b | 4414 | static void monitor_qmp_event(void *opaque, int event) |
9b57c02e | 4415 | { |
1816604b | 4416 | QDict *data; |
47116d1c | 4417 | Monitor *mon = opaque; |
9b57c02e | 4418 | |
47116d1c LC |
4419 | switch (event) { |
4420 | case CHR_EVENT_OPENED: | |
635db18f | 4421 | mon->qmp.commands = &qmp_cap_negotiation_commands; |
02130314 | 4422 | monitor_qmp_caps_reset(mon); |
1816604b | 4423 | data = qmp_greeting(mon); |
27656018 | 4424 | qmp_send_response(mon, data); |
cb3e7f08 | 4425 | qobject_unref(data); |
efb87c16 | 4426 | mon_refcount++; |
47116d1c LC |
4427 | break; |
4428 | case CHR_EVENT_CLOSED: | |
c73a843b PX |
4429 | /* |
4430 | * Note: this is only useful when the output of the chardev | |
4431 | * backend is still open. For example, when the backend is | |
4432 | * stdio, it's possible that stdout is still open when stdin | |
4433 | * is closed. | |
4434 | */ | |
6d2d563f | 4435 | monitor_qmp_cleanup_queues(mon); |
74358f2a | 4436 | json_message_parser_destroy(&mon->qmp.parser); |
62815d85 MA |
4437 | json_message_parser_init(&mon->qmp.parser, handle_qmp_command, |
4438 | mon, NULL); | |
efb87c16 CB |
4439 | mon_refcount--; |
4440 | monitor_fdsets_cleanup(); | |
47116d1c | 4441 | break; |
9b57c02e LC |
4442 | } |
4443 | } | |
4444 | ||
731b0364 | 4445 | static void monitor_event(void *opaque, int event) |
86e94dea | 4446 | { |
376253ec AL |
4447 | Monitor *mon = opaque; |
4448 | ||
2724b180 AL |
4449 | switch (event) { |
4450 | case CHR_EVENT_MUX_IN: | |
dc7cbcd8 | 4451 | qemu_mutex_lock(&mon->mon_lock); |
a7aec5da | 4452 | mon->mux_out = 0; |
dc7cbcd8 | 4453 | qemu_mutex_unlock(&mon->mon_lock); |
a7aec5da GH |
4454 | if (mon->reset_seen) { |
4455 | readline_restart(mon->rs); | |
4456 | monitor_resume(mon); | |
4457 | monitor_flush(mon); | |
4458 | } else { | |
df152fb9 | 4459 | atomic_mb_set(&mon->suspend_cnt, 0); |
a7aec5da | 4460 | } |
2724b180 AL |
4461 | break; |
4462 | ||
4463 | case CHR_EVENT_MUX_OUT: | |
a7aec5da | 4464 | if (mon->reset_seen) { |
df152fb9 | 4465 | if (atomic_mb_read(&mon->suspend_cnt) == 0) { |
a7aec5da GH |
4466 | monitor_printf(mon, "\n"); |
4467 | } | |
4468 | monitor_flush(mon); | |
4469 | monitor_suspend(mon); | |
4470 | } else { | |
df152fb9 | 4471 | atomic_inc(&mon->suspend_cnt); |
a7aec5da | 4472 | } |
dc7cbcd8 | 4473 | qemu_mutex_lock(&mon->mon_lock); |
a7aec5da | 4474 | mon->mux_out = 1; |
dc7cbcd8 | 4475 | qemu_mutex_unlock(&mon->mon_lock); |
2724b180 | 4476 | break; |
86e94dea | 4477 | |
b6b8df56 | 4478 | case CHR_EVENT_OPENED: |
2724b180 AL |
4479 | monitor_printf(mon, "QEMU %s monitor - type 'help' for more " |
4480 | "information\n", QEMU_VERSION); | |
a7aec5da | 4481 | if (!mon->mux_out) { |
e5554e20 | 4482 | readline_restart(mon->rs); |
2724b180 | 4483 | readline_show_prompt(mon->rs); |
a7aec5da GH |
4484 | } |
4485 | mon->reset_seen = 1; | |
efb87c16 CB |
4486 | mon_refcount++; |
4487 | break; | |
4488 | ||
4489 | case CHR_EVENT_CLOSED: | |
4490 | mon_refcount--; | |
4491 | monitor_fdsets_cleanup(); | |
2724b180 AL |
4492 | break; |
4493 | } | |
86e94dea TS |
4494 | } |
4495 | ||
816f8925 WX |
4496 | static int |
4497 | compare_mon_cmd(const void *a, const void *b) | |
4498 | { | |
4499 | return strcmp(((const mon_cmd_t *)a)->name, | |
4500 | ((const mon_cmd_t *)b)->name); | |
4501 | } | |
4502 | ||
4503 | static void sortcmdlist(void) | |
4504 | { | |
4505 | int array_num; | |
4506 | int elem_size = sizeof(mon_cmd_t); | |
4507 | ||
4508 | array_num = sizeof(mon_cmds)/elem_size-1; | |
4509 | qsort((void *)mon_cmds, array_num, elem_size, compare_mon_cmd); | |
4510 | ||
4511 | array_num = sizeof(info_cmds)/elem_size-1; | |
4512 | qsort((void *)info_cmds, array_num, elem_size, compare_mon_cmd); | |
4513 | } | |
4514 | ||
a5ed3525 PX |
4515 | static void monitor_iothread_init(void) |
4516 | { | |
cab5ad86 | 4517 | mon_iothread = iothread_create("mon_iothread", &error_abort); |
a5ed3525 PX |
4518 | } |
4519 | ||
6adf08dd PX |
4520 | void monitor_init_globals(void) |
4521 | { | |
4522 | monitor_init_qmp_commands(); | |
4523 | monitor_qapi_event_init(); | |
4524 | sortcmdlist(); | |
4525 | qemu_mutex_init(&monitor_lock); | |
47451466 | 4526 | qemu_mutex_init(&mon_fdsets_lock); |
85117701 WB |
4527 | |
4528 | /* | |
4529 | * The dispatcher BH must run in the main loop thread, since we | |
4530 | * have commands assuming that context. It would be nice to get | |
4531 | * rid of those assumptions. | |
4532 | */ | |
4533 | qmp_dispatcher_bh = aio_bh_new(iohandler_get_aio_context(), | |
4534 | monitor_qmp_bh_dispatcher, | |
4535 | NULL); | |
6adf08dd PX |
4536 | } |
4537 | ||
c60bf339 SH |
4538 | /* These functions just adapt the readline interface in a typesafe way. We |
4539 | * could cast function pointers but that discards compiler checks. | |
4540 | */ | |
d5d1507b SW |
4541 | static void GCC_FMT_ATTR(2, 3) monitor_readline_printf(void *opaque, |
4542 | const char *fmt, ...) | |
c60bf339 SH |
4543 | { |
4544 | va_list ap; | |
4545 | va_start(ap, fmt); | |
4546 | monitor_vprintf(opaque, fmt, ap); | |
4547 | va_end(ap); | |
4548 | } | |
4549 | ||
4550 | static void monitor_readline_flush(void *opaque) | |
4551 | { | |
4552 | monitor_flush(opaque); | |
4553 | } | |
4554 | ||
397d30e9 | 4555 | /* |
8acb2a75 | 4556 | * Print to current monitor if we have one, else to stderr. |
397d30e9 | 4557 | */ |
8acb2a75 | 4558 | int error_vprintf(const char *fmt, va_list ap) |
397d30e9 PB |
4559 | { |
4560 | if (cur_mon && !monitor_cur_is_qmp()) { | |
679cb8e1 | 4561 | return monitor_vprintf(cur_mon, fmt, ap); |
397d30e9 | 4562 | } |
8acb2a75 | 4563 | return vfprintf(stderr, fmt, ap); |
a95db58f MAL |
4564 | } |
4565 | ||
679cb8e1 | 4566 | int error_vprintf_unless_qmp(const char *fmt, va_list ap) |
397d30e9 | 4567 | { |
679cb8e1 MA |
4568 | if (!cur_mon) { |
4569 | return vfprintf(stderr, fmt, ap); | |
397d30e9 | 4570 | } |
679cb8e1 MA |
4571 | if (!monitor_cur_is_qmp()) { |
4572 | return monitor_vprintf(cur_mon, fmt, ap); | |
4573 | } | |
4574 | return -1; | |
397d30e9 PB |
4575 | } |
4576 | ||
a5ed3525 PX |
4577 | static void monitor_list_append(Monitor *mon) |
4578 | { | |
4579 | qemu_mutex_lock(&monitor_lock); | |
8dac00bb MAL |
4580 | /* |
4581 | * This prevents inserting new monitors during monitor_cleanup(). | |
4582 | * A cleaner solution would involve the main thread telling other | |
4583 | * threads to terminate, waiting for their termination. | |
4584 | */ | |
4585 | if (!monitor_destroyed) { | |
4586 | QTAILQ_INSERT_HEAD(&mon_list, mon, entry); | |
4587 | mon = NULL; | |
4588 | } | |
a5ed3525 | 4589 | qemu_mutex_unlock(&monitor_lock); |
8dac00bb MAL |
4590 | |
4591 | if (mon) { | |
4592 | monitor_data_destroy(mon); | |
4593 | g_free(mon); | |
4594 | } | |
a5ed3525 PX |
4595 | } |
4596 | ||
4597 | static void monitor_qmp_setup_handlers_bh(void *opaque) | |
4598 | { | |
4599 | Monitor *mon = opaque; | |
4600 | GMainContext *context; | |
4601 | ||
3d7a1c44 | 4602 | assert(mon->use_io_thread); |
88e40e43 | 4603 | context = iothread_get_g_main_context(mon_iothread); |
3d7a1c44 | 4604 | assert(context); |
a5ed3525 PX |
4605 | qemu_chr_fe_set_handlers(&mon->chr, monitor_can_read, monitor_qmp_read, |
4606 | monitor_qmp_event, NULL, mon, context, true); | |
4607 | monitor_list_append(mon); | |
4608 | } | |
4609 | ||
0ec7b3e7 | 4610 | void monitor_init(Chardev *chr, int flags) |
aa455485 | 4611 | { |
6adf08dd | 4612 | Monitor *mon = g_malloc(sizeof(*mon)); |
be933ffc | 4613 | bool use_readline = flags & MONITOR_USE_READLINE; |
87127161 | 4614 | |
8258292e PX |
4615 | /* Note: we run QMP monitor in I/O thread when @chr supports that */ |
4616 | monitor_data_init(mon, false, | |
4617 | (flags & MONITOR_USE_CONTROL) | |
4618 | && qemu_chr_has_feature(chr, | |
4619 | QEMU_CHAR_FEATURE_GCONTEXT)); | |
20d8a3ed | 4620 | |
32a6ebec | 4621 | qemu_chr_fe_init(&mon->chr, chr, &error_abort); |
731b0364 | 4622 | mon->flags = flags; |
be933ffc | 4623 | if (use_readline) { |
c60bf339 SH |
4624 | mon->rs = readline_init(monitor_readline_printf, |
4625 | monitor_readline_flush, | |
4626 | mon, | |
4627 | monitor_find_completion); | |
cde76ee1 AL |
4628 | monitor_read_command(mon, 0); |
4629 | } | |
87127161 | 4630 | |
9f3982f2 | 4631 | if (monitor_is_qmp(mon)) { |
5345fdb4 | 4632 | qemu_chr_fe_set_echo(&mon->chr, true); |
62815d85 MA |
4633 | json_message_parser_init(&mon->qmp.parser, handle_qmp_command, |
4634 | mon, NULL); | |
f91dc2a0 | 4635 | if (mon->use_io_thread) { |
a5ed3525 PX |
4636 | /* |
4637 | * Make sure the old iowatch is gone. It's possible when | |
4638 | * e.g. the chardev is in client mode, with wait=on. | |
4639 | */ | |
4640 | remove_fd_in_watch(chr); | |
4641 | /* | |
4642 | * We can't call qemu_chr_fe_set_handlers() directly here | |
774a6b67 MA |
4643 | * since chardev might be running in the monitor I/O |
4644 | * thread. Schedule a bottom half. | |
a5ed3525 | 4645 | */ |
88e40e43 | 4646 | aio_bh_schedule_oneshot(iothread_get_aio_context(mon_iothread), |
a5ed3525 | 4647 | monitor_qmp_setup_handlers_bh, mon); |
774a6b67 | 4648 | /* The bottom half will add @mon to @mon_list */ |
a5ed3525 PX |
4649 | return; |
4650 | } else { | |
4651 | qemu_chr_fe_set_handlers(&mon->chr, monitor_can_read, | |
4652 | monitor_qmp_read, monitor_qmp_event, | |
4653 | NULL, mon, NULL, true); | |
4654 | } | |
9b57c02e | 4655 | } else { |
5345fdb4 | 4656 | qemu_chr_fe_set_handlers(&mon->chr, monitor_can_read, monitor_read, |
81517ba3 | 4657 | monitor_event, NULL, mon, NULL, true); |
9b57c02e | 4658 | } |
87127161 | 4659 | |
a5ed3525 | 4660 | monitor_list_append(mon); |
aa455485 FB |
4661 | } |
4662 | ||
2ef45716 MAL |
4663 | void monitor_cleanup(void) |
4664 | { | |
a5ed3525 | 4665 | /* |
c5f57ed0 | 4666 | * We need to explicitly stop the I/O thread (but not destroy it), |
774a6b67 | 4667 | * clean up the monitor resources, then destroy the I/O thread since |
a5ed3525 PX |
4668 | * we need to unregister from chardev below in |
4669 | * monitor_data_destroy(), and chardev is not thread-safe yet | |
4670 | */ | |
85117701 WB |
4671 | if (mon_iothread) { |
4672 | iothread_stop(mon_iothread); | |
4673 | } | |
a5ed3525 | 4674 | |
774a6b67 | 4675 | /* Flush output buffers and destroy monitors */ |
2ef45716 | 4676 | qemu_mutex_lock(&monitor_lock); |
8dac00bb | 4677 | monitor_destroyed = true; |
82e870ba PB |
4678 | while (!QTAILQ_EMPTY(&mon_list)) { |
4679 | Monitor *mon = QTAILQ_FIRST(&mon_list); | |
238d9f34 | 4680 | QTAILQ_REMOVE(&mon_list, mon, entry); |
34f1f3e0 MAL |
4681 | /* Permit QAPI event emission from character frontend release */ |
4682 | qemu_mutex_unlock(&monitor_lock); | |
abe3cd0f | 4683 | monitor_flush(mon); |
2ef45716 | 4684 | monitor_data_destroy(mon); |
34f1f3e0 | 4685 | qemu_mutex_lock(&monitor_lock); |
2ef45716 MAL |
4686 | g_free(mon); |
4687 | } | |
4688 | qemu_mutex_unlock(&monitor_lock); | |
a5ed3525 | 4689 | |
c5f57ed0 | 4690 | /* QEMUBHs needs to be deleted before destroying the I/O thread */ |
cab5ad86 MA |
4691 | qemu_bh_delete(qmp_dispatcher_bh); |
4692 | qmp_dispatcher_bh = NULL; | |
85117701 WB |
4693 | if (mon_iothread) { |
4694 | iothread_destroy(mon_iothread); | |
4695 | mon_iothread = NULL; | |
4696 | } | |
2ef45716 MAL |
4697 | } |
4698 | ||
4d454574 PB |
4699 | QemuOptsList qemu_mon_opts = { |
4700 | .name = "mon", | |
4701 | .implied_opt_name = "chardev", | |
4702 | .head = QTAILQ_HEAD_INITIALIZER(qemu_mon_opts.head), | |
4703 | .desc = { | |
4704 | { | |
4705 | .name = "mode", | |
4706 | .type = QEMU_OPT_STRING, | |
4707 | },{ | |
4708 | .name = "chardev", | |
4709 | .type = QEMU_OPT_STRING, | |
4d454574 PB |
4710 | },{ |
4711 | .name = "pretty", | |
4712 | .type = QEMU_OPT_BOOL, | |
4713 | }, | |
4714 | { /* end of list */ } | |
4715 | }, | |
4716 | }; | |
f2ae8abf | 4717 | |
d4633541 IM |
4718 | HotpluggableCPUList *qmp_query_hotpluggable_cpus(Error **errp) |
4719 | { | |
4720 | MachineState *ms = MACHINE(qdev_get_machine()); | |
4721 | MachineClass *mc = MACHINE_GET_CLASS(ms); | |
4722 | ||
c5514d0e | 4723 | if (!mc->has_hotpluggable_cpus) { |
d4633541 IM |
4724 | error_setg(errp, QERR_FEATURE_DISABLED, "query-hotpluggable-cpus"); |
4725 | return NULL; | |
4726 | } | |
4727 | ||
c5514d0e | 4728 | return machine_query_hotpluggable_cpus(ms); |
d4633541 | 4729 | } |