qemu-option: Replace opt_set() by cleaner opt_validate()
[qemu.git] / monitor / misc.c
1 /*
2 * QEMU monitor
3 *
4 * Copyright (c) 2003-2004 Fabrice Bellard
5 *
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 */
24
25 #include "qemu/osdep.h"
26 #include "monitor-internal.h"
27 #include "cpu.h"
28 #include "monitor/qdev.h"
29 #include "hw/usb.h"
30 #include "hw/pci/pci.h"
31 #include "sysemu/watchdog.h"
32 #include "hw/loader.h"
33 #include "exec/gdbstub.h"
34 #include "net/net.h"
35 #include "net/slirp.h"
36 #include "chardev/char-mux.h"
37 #include "ui/qemu-spice.h"
38 #include "qemu/config-file.h"
39 #include "qemu/ctype.h"
40 #include "ui/console.h"
41 #include "ui/input.h"
42 #include "audio/audio.h"
43 #include "disas/disas.h"
44 #include "sysemu/balloon.h"
45 #include "qemu/timer.h"
46 #include "sysemu/hw_accel.h"
47 #include "sysemu/runstate.h"
48 #include "authz/list.h"
49 #include "qapi/util.h"
50 #include "sysemu/blockdev.h"
51 #include "sysemu/sysemu.h"
52 #include "sysemu/tcg.h"
53 #include "sysemu/tpm.h"
54 #include "qapi/qmp/qdict.h"
55 #include "qapi/qmp/qerror.h"
56 #include "qapi/qmp/qstring.h"
57 #include "qom/object_interfaces.h"
58 #include "trace/control.h"
59 #include "monitor/hmp-target.h"
60 #include "monitor/hmp.h"
61 #ifdef CONFIG_TRACE_SIMPLE
62 #include "trace/simple.h"
63 #endif
64 #include "exec/memory.h"
65 #include "exec/exec-all.h"
66 #include "qemu/option.h"
67 #include "qemu/thread.h"
68 #include "block/qapi.h"
69 #include "block/block-hmp-cmds.h"
70 #include "qapi/qapi-commands-char.h"
71 #include "qapi/qapi-commands-control.h"
72 #include "qapi/qapi-commands-migration.h"
73 #include "qapi/qapi-commands-misc.h"
74 #include "qapi/qapi-commands-qom.h"
75 #include "qapi/qapi-commands-trace.h"
76 #include "qapi/qapi-init-commands.h"
77 #include "qapi/error.h"
78 #include "qapi/qmp-event.h"
79 #include "sysemu/cpus.h"
80 #include "qemu/cutils.h"
81 #include "tcg/tcg.h"
82
83 #if defined(TARGET_S390X)
84 #include "hw/s390x/storage-keys.h"
85 #include "hw/s390x/storage-attributes.h"
86 #endif
87
88 /* file descriptors passed via SCM_RIGHTS */
89 typedef struct mon_fd_t mon_fd_t;
90 struct mon_fd_t {
91 char *name;
92 int fd;
93 QLIST_ENTRY(mon_fd_t) next;
94 };
95
96 /* file descriptor associated with a file descriptor set */
97 typedef struct MonFdsetFd MonFdsetFd;
98 struct MonFdsetFd {
99 int fd;
100 bool removed;
101 char *opaque;
102 QLIST_ENTRY(MonFdsetFd) next;
103 };
104
105 /* file descriptor set containing fds passed via SCM_RIGHTS */
106 typedef struct MonFdset MonFdset;
107 struct MonFdset {
108 int64_t id;
109 QLIST_HEAD(, MonFdsetFd) fds;
110 QLIST_HEAD(, MonFdsetFd) dup_fds;
111 QLIST_ENTRY(MonFdset) next;
112 };
113
114 /* Protects mon_fdsets */
115 static QemuMutex mon_fdsets_lock;
116 static QLIST_HEAD(, MonFdset) mon_fdsets;
117
118 static HMPCommand hmp_info_cmds[];
119
120 char *qmp_human_monitor_command(const char *command_line, bool has_cpu_index,
121 int64_t cpu_index, Error **errp)
122 {
123 char *output = NULL;
124 Monitor *old_mon;
125 MonitorHMP hmp = {};
126
127 monitor_data_init(&hmp.common, false, true, false);
128
129 old_mon = cur_mon;
130 cur_mon = &hmp.common;
131
132 if (has_cpu_index) {
133 int ret = monitor_set_cpu(cpu_index);
134 if (ret < 0) {
135 cur_mon = old_mon;
136 error_setg(errp, QERR_INVALID_PARAMETER_VALUE, "cpu-index",
137 "a CPU number");
138 goto out;
139 }
140 }
141
142 handle_hmp_command(&hmp, command_line);
143 cur_mon = old_mon;
144
145 qemu_mutex_lock(&hmp.common.mon_lock);
146 if (qstring_get_length(hmp.common.outbuf) > 0) {
147 output = g_strdup(qstring_get_str(hmp.common.outbuf));
148 } else {
149 output = g_strdup("");
150 }
151 qemu_mutex_unlock(&hmp.common.mon_lock);
152
153 out:
154 monitor_data_destroy(&hmp.common);
155 return output;
156 }
157
158 /**
159 * Is @name in the '|' separated list of names @list?
160 */
161 int hmp_compare_cmd(const char *name, const char *list)
162 {
163 const char *p, *pstart;
164 int len;
165 len = strlen(name);
166 p = list;
167 for (;;) {
168 pstart = p;
169 p = qemu_strchrnul(p, '|');
170 if ((p - pstart) == len && !memcmp(pstart, name, len)) {
171 return 1;
172 }
173 if (*p == '\0') {
174 break;
175 }
176 p++;
177 }
178 return 0;
179 }
180
181 static void do_help_cmd(Monitor *mon, const QDict *qdict)
182 {
183 help_cmd(mon, qdict_get_try_str(qdict, "name"));
184 }
185
186 static void hmp_trace_event(Monitor *mon, const QDict *qdict)
187 {
188 const char *tp_name = qdict_get_str(qdict, "name");
189 bool new_state = qdict_get_bool(qdict, "option");
190 bool has_vcpu = qdict_haskey(qdict, "vcpu");
191 int vcpu = qdict_get_try_int(qdict, "vcpu", 0);
192 Error *local_err = NULL;
193
194 if (vcpu < 0) {
195 monitor_printf(mon, "argument vcpu must be positive");
196 return;
197 }
198
199 qmp_trace_event_set_state(tp_name, new_state, true, true, has_vcpu, vcpu, &local_err);
200 if (local_err) {
201 error_report_err(local_err);
202 }
203 }
204
205 #ifdef CONFIG_TRACE_SIMPLE
206 static void hmp_trace_file(Monitor *mon, const QDict *qdict)
207 {
208 const char *op = qdict_get_try_str(qdict, "op");
209 const char *arg = qdict_get_try_str(qdict, "arg");
210
211 if (!op) {
212 st_print_trace_file_status();
213 } else if (!strcmp(op, "on")) {
214 st_set_trace_file_enabled(true);
215 } else if (!strcmp(op, "off")) {
216 st_set_trace_file_enabled(false);
217 } else if (!strcmp(op, "flush")) {
218 st_flush_trace_buffer();
219 } else if (!strcmp(op, "set")) {
220 if (arg) {
221 st_set_trace_file(arg);
222 }
223 } else {
224 monitor_printf(mon, "unexpected argument \"%s\"\n", op);
225 help_cmd(mon, "trace-file");
226 }
227 }
228 #endif
229
230 static void hmp_info_help(Monitor *mon, const QDict *qdict)
231 {
232 help_cmd(mon, "info");
233 }
234
235 static void monitor_init_qmp_commands(void)
236 {
237 /*
238 * Two command lists:
239 * - qmp_commands contains all QMP commands
240 * - qmp_cap_negotiation_commands contains just
241 * "qmp_capabilities", to enforce capability negotiation
242 */
243
244 qmp_init_marshal(&qmp_commands);
245
246 qmp_register_command(&qmp_commands, "query-qmp-schema",
247 qmp_query_qmp_schema, QCO_ALLOW_PRECONFIG);
248 qmp_register_command(&qmp_commands, "device_add", qmp_device_add,
249 QCO_NO_OPTIONS);
250 qmp_register_command(&qmp_commands, "object-add", qmp_object_add,
251 QCO_NO_OPTIONS);
252
253 QTAILQ_INIT(&qmp_cap_negotiation_commands);
254 qmp_register_command(&qmp_cap_negotiation_commands, "qmp_capabilities",
255 qmp_marshal_qmp_capabilities, QCO_ALLOW_PRECONFIG);
256 }
257
258 /* Set the current CPU defined by the user. Callers must hold BQL. */
259 int monitor_set_cpu(int cpu_index)
260 {
261 CPUState *cpu;
262
263 cpu = qemu_get_cpu(cpu_index);
264 if (cpu == NULL) {
265 return -1;
266 }
267 g_free(cur_mon->mon_cpu_path);
268 cur_mon->mon_cpu_path = object_get_canonical_path(OBJECT(cpu));
269 return 0;
270 }
271
272 /* Callers must hold BQL. */
273 static CPUState *mon_get_cpu_sync(bool synchronize)
274 {
275 CPUState *cpu = NULL;
276
277 if (cur_mon->mon_cpu_path) {
278 cpu = (CPUState *) object_resolve_path_type(cur_mon->mon_cpu_path,
279 TYPE_CPU, NULL);
280 if (!cpu) {
281 g_free(cur_mon->mon_cpu_path);
282 cur_mon->mon_cpu_path = NULL;
283 }
284 }
285 if (!cur_mon->mon_cpu_path) {
286 if (!first_cpu) {
287 return NULL;
288 }
289 monitor_set_cpu(first_cpu->cpu_index);
290 cpu = first_cpu;
291 }
292 assert(cpu != NULL);
293 if (synchronize) {
294 cpu_synchronize_state(cpu);
295 }
296 return cpu;
297 }
298
299 CPUState *mon_get_cpu(void)
300 {
301 return mon_get_cpu_sync(true);
302 }
303
304 CPUArchState *mon_get_cpu_env(void)
305 {
306 CPUState *cs = mon_get_cpu();
307
308 return cs ? cs->env_ptr : NULL;
309 }
310
311 int monitor_get_cpu_index(void)
312 {
313 CPUState *cs = mon_get_cpu_sync(false);
314
315 return cs ? cs->cpu_index : UNASSIGNED_CPU_INDEX;
316 }
317
318 static void hmp_info_registers(Monitor *mon, const QDict *qdict)
319 {
320 bool all_cpus = qdict_get_try_bool(qdict, "cpustate_all", false);
321 CPUState *cs;
322
323 if (all_cpus) {
324 CPU_FOREACH(cs) {
325 monitor_printf(mon, "\nCPU#%d\n", cs->cpu_index);
326 cpu_dump_state(cs, NULL, CPU_DUMP_FPU);
327 }
328 } else {
329 cs = mon_get_cpu();
330
331 if (!cs) {
332 monitor_printf(mon, "No CPU available\n");
333 return;
334 }
335
336 cpu_dump_state(cs, NULL, CPU_DUMP_FPU);
337 }
338 }
339
340 #ifdef CONFIG_TCG
341 static void hmp_info_jit(Monitor *mon, const QDict *qdict)
342 {
343 if (!tcg_enabled()) {
344 error_report("JIT information is only available with accel=tcg");
345 return;
346 }
347
348 dump_exec_info();
349 dump_drift_info();
350 }
351
352 static void hmp_info_opcount(Monitor *mon, const QDict *qdict)
353 {
354 dump_opcount_info();
355 }
356 #endif
357
358 static void hmp_info_sync_profile(Monitor *mon, const QDict *qdict)
359 {
360 int64_t max = qdict_get_try_int(qdict, "max", 10);
361 bool mean = qdict_get_try_bool(qdict, "mean", false);
362 bool coalesce = !qdict_get_try_bool(qdict, "no_coalesce", false);
363 enum QSPSortBy sort_by;
364
365 sort_by = mean ? QSP_SORT_BY_AVG_WAIT_TIME : QSP_SORT_BY_TOTAL_WAIT_TIME;
366 qsp_report(max, sort_by, coalesce);
367 }
368
369 static void hmp_info_history(Monitor *mon, const QDict *qdict)
370 {
371 MonitorHMP *hmp_mon = container_of(mon, MonitorHMP, common);
372 int i;
373 const char *str;
374
375 if (!hmp_mon->rs) {
376 return;
377 }
378 i = 0;
379 for(;;) {
380 str = readline_get_history(hmp_mon->rs, i);
381 if (!str) {
382 break;
383 }
384 monitor_printf(mon, "%d: '%s'\n", i, str);
385 i++;
386 }
387 }
388
389 static void hmp_info_cpustats(Monitor *mon, const QDict *qdict)
390 {
391 CPUState *cs = mon_get_cpu();
392
393 if (!cs) {
394 monitor_printf(mon, "No CPU available\n");
395 return;
396 }
397 cpu_dump_statistics(cs, 0);
398 }
399
400 static void hmp_info_trace_events(Monitor *mon, const QDict *qdict)
401 {
402 const char *name = qdict_get_try_str(qdict, "name");
403 bool has_vcpu = qdict_haskey(qdict, "vcpu");
404 int vcpu = qdict_get_try_int(qdict, "vcpu", 0);
405 TraceEventInfoList *events;
406 TraceEventInfoList *elem;
407 Error *local_err = NULL;
408
409 if (name == NULL) {
410 name = "*";
411 }
412 if (vcpu < 0) {
413 monitor_printf(mon, "argument vcpu must be positive");
414 return;
415 }
416
417 events = qmp_trace_event_get_state(name, has_vcpu, vcpu, &local_err);
418 if (local_err) {
419 error_report_err(local_err);
420 return;
421 }
422
423 for (elem = events; elem != NULL; elem = elem->next) {
424 monitor_printf(mon, "%s : state %u\n",
425 elem->value->name,
426 elem->value->state == TRACE_EVENT_STATE_ENABLED ? 1 : 0);
427 }
428 qapi_free_TraceEventInfoList(events);
429 }
430
431 void qmp_client_migrate_info(const char *protocol, const char *hostname,
432 bool has_port, int64_t port,
433 bool has_tls_port, int64_t tls_port,
434 bool has_cert_subject, const char *cert_subject,
435 Error **errp)
436 {
437 if (strcmp(protocol, "spice") == 0) {
438 if (!qemu_using_spice(errp)) {
439 return;
440 }
441
442 if (!has_port && !has_tls_port) {
443 error_setg(errp, QERR_MISSING_PARAMETER, "port/tls-port");
444 return;
445 }
446
447 if (qemu_spice_migrate_info(hostname,
448 has_port ? port : -1,
449 has_tls_port ? tls_port : -1,
450 cert_subject)) {
451 error_setg(errp, QERR_UNDEFINED_ERROR);
452 return;
453 }
454 return;
455 }
456
457 error_setg(errp, QERR_INVALID_PARAMETER_VALUE, "protocol", "spice");
458 }
459
460 static void hmp_logfile(Monitor *mon, const QDict *qdict)
461 {
462 Error *err = NULL;
463
464 qemu_set_log_filename(qdict_get_str(qdict, "filename"), &err);
465 if (err) {
466 error_report_err(err);
467 }
468 }
469
470 static void hmp_log(Monitor *mon, const QDict *qdict)
471 {
472 int mask;
473 const char *items = qdict_get_str(qdict, "items");
474
475 if (!strcmp(items, "none")) {
476 mask = 0;
477 } else {
478 mask = qemu_str_to_log_mask(items);
479 if (!mask) {
480 help_cmd(mon, "log");
481 return;
482 }
483 }
484 qemu_set_log(mask);
485 }
486
487 static void hmp_singlestep(Monitor *mon, const QDict *qdict)
488 {
489 const char *option = qdict_get_try_str(qdict, "option");
490 if (!option || !strcmp(option, "on")) {
491 singlestep = 1;
492 } else if (!strcmp(option, "off")) {
493 singlestep = 0;
494 } else {
495 monitor_printf(mon, "unexpected option %s\n", option);
496 }
497 }
498
499 static void hmp_gdbserver(Monitor *mon, const QDict *qdict)
500 {
501 const char *device = qdict_get_try_str(qdict, "device");
502 if (!device)
503 device = "tcp::" DEFAULT_GDBSTUB_PORT;
504 if (gdbserver_start(device) < 0) {
505 monitor_printf(mon, "Could not open gdbserver on device '%s'\n",
506 device);
507 } else if (strcmp(device, "none") == 0) {
508 monitor_printf(mon, "Disabled gdbserver\n");
509 } else {
510 monitor_printf(mon, "Waiting for gdb connection on device '%s'\n",
511 device);
512 }
513 }
514
515 static void hmp_watchdog_action(Monitor *mon, const QDict *qdict)
516 {
517 const char *action = qdict_get_str(qdict, "action");
518 if (select_watchdog_action(action) == -1) {
519 monitor_printf(mon, "Unknown watchdog action '%s'\n", action);
520 }
521 }
522
523 static void monitor_printc(Monitor *mon, int c)
524 {
525 monitor_printf(mon, "'");
526 switch(c) {
527 case '\'':
528 monitor_printf(mon, "\\'");
529 break;
530 case '\\':
531 monitor_printf(mon, "\\\\");
532 break;
533 case '\n':
534 monitor_printf(mon, "\\n");
535 break;
536 case '\r':
537 monitor_printf(mon, "\\r");
538 break;
539 default:
540 if (c >= 32 && c <= 126) {
541 monitor_printf(mon, "%c", c);
542 } else {
543 monitor_printf(mon, "\\x%02x", c);
544 }
545 break;
546 }
547 monitor_printf(mon, "'");
548 }
549
550 static void memory_dump(Monitor *mon, int count, int format, int wsize,
551 hwaddr addr, int is_physical)
552 {
553 int l, line_size, i, max_digits, len;
554 uint8_t buf[16];
555 uint64_t v;
556 CPUState *cs = mon_get_cpu();
557
558 if (!cs && (format == 'i' || !is_physical)) {
559 monitor_printf(mon, "Can not dump without CPU\n");
560 return;
561 }
562
563 if (format == 'i') {
564 monitor_disas(mon, cs, addr, count, is_physical);
565 return;
566 }
567
568 len = wsize * count;
569 if (wsize == 1)
570 line_size = 8;
571 else
572 line_size = 16;
573 max_digits = 0;
574
575 switch(format) {
576 case 'o':
577 max_digits = DIV_ROUND_UP(wsize * 8, 3);
578 break;
579 default:
580 case 'x':
581 max_digits = (wsize * 8) / 4;
582 break;
583 case 'u':
584 case 'd':
585 max_digits = DIV_ROUND_UP(wsize * 8 * 10, 33);
586 break;
587 case 'c':
588 wsize = 1;
589 break;
590 }
591
592 while (len > 0) {
593 if (is_physical)
594 monitor_printf(mon, TARGET_FMT_plx ":", addr);
595 else
596 monitor_printf(mon, TARGET_FMT_lx ":", (target_ulong)addr);
597 l = len;
598 if (l > line_size)
599 l = line_size;
600 if (is_physical) {
601 AddressSpace *as = cs ? cs->as : &address_space_memory;
602 MemTxResult r = address_space_read(as, addr,
603 MEMTXATTRS_UNSPECIFIED, buf, l);
604 if (r != MEMTX_OK) {
605 monitor_printf(mon, " Cannot access memory\n");
606 break;
607 }
608 } else {
609 if (cpu_memory_rw_debug(cs, addr, buf, l, 0) < 0) {
610 monitor_printf(mon, " Cannot access memory\n");
611 break;
612 }
613 }
614 i = 0;
615 while (i < l) {
616 switch(wsize) {
617 default:
618 case 1:
619 v = ldub_p(buf + i);
620 break;
621 case 2:
622 v = lduw_p(buf + i);
623 break;
624 case 4:
625 v = (uint32_t)ldl_p(buf + i);
626 break;
627 case 8:
628 v = ldq_p(buf + i);
629 break;
630 }
631 monitor_printf(mon, " ");
632 switch(format) {
633 case 'o':
634 monitor_printf(mon, "%#*" PRIo64, max_digits, v);
635 break;
636 case 'x':
637 monitor_printf(mon, "0x%0*" PRIx64, max_digits, v);
638 break;
639 case 'u':
640 monitor_printf(mon, "%*" PRIu64, max_digits, v);
641 break;
642 case 'd':
643 monitor_printf(mon, "%*" PRId64, max_digits, v);
644 break;
645 case 'c':
646 monitor_printc(mon, v);
647 break;
648 }
649 i += wsize;
650 }
651 monitor_printf(mon, "\n");
652 addr += l;
653 len -= l;
654 }
655 }
656
657 static void hmp_memory_dump(Monitor *mon, const QDict *qdict)
658 {
659 int count = qdict_get_int(qdict, "count");
660 int format = qdict_get_int(qdict, "format");
661 int size = qdict_get_int(qdict, "size");
662 target_long addr = qdict_get_int(qdict, "addr");
663
664 memory_dump(mon, count, format, size, addr, 0);
665 }
666
667 static void hmp_physical_memory_dump(Monitor *mon, const QDict *qdict)
668 {
669 int count = qdict_get_int(qdict, "count");
670 int format = qdict_get_int(qdict, "format");
671 int size = qdict_get_int(qdict, "size");
672 hwaddr addr = qdict_get_int(qdict, "addr");
673
674 memory_dump(mon, count, format, size, addr, 1);
675 }
676
677 static void *gpa2hva(MemoryRegion **p_mr, hwaddr addr, Error **errp)
678 {
679 MemoryRegionSection mrs = memory_region_find(get_system_memory(),
680 addr, 1);
681
682 if (!mrs.mr) {
683 error_setg(errp, "No memory is mapped at address 0x%" HWADDR_PRIx, addr);
684 return NULL;
685 }
686
687 if (!memory_region_is_ram(mrs.mr) && !memory_region_is_romd(mrs.mr)) {
688 error_setg(errp, "Memory at address 0x%" HWADDR_PRIx "is not RAM", addr);
689 memory_region_unref(mrs.mr);
690 return NULL;
691 }
692
693 *p_mr = mrs.mr;
694 return qemu_map_ram_ptr(mrs.mr->ram_block, mrs.offset_within_region);
695 }
696
697 static void hmp_gpa2hva(Monitor *mon, const QDict *qdict)
698 {
699 hwaddr addr = qdict_get_int(qdict, "addr");
700 Error *local_err = NULL;
701 MemoryRegion *mr = NULL;
702 void *ptr;
703
704 ptr = gpa2hva(&mr, addr, &local_err);
705 if (local_err) {
706 error_report_err(local_err);
707 return;
708 }
709
710 monitor_printf(mon, "Host virtual address for 0x%" HWADDR_PRIx
711 " (%s) is %p\n",
712 addr, mr->name, ptr);
713
714 memory_region_unref(mr);
715 }
716
717 static void hmp_gva2gpa(Monitor *mon, const QDict *qdict)
718 {
719 target_ulong addr = qdict_get_int(qdict, "addr");
720 MemTxAttrs attrs;
721 CPUState *cs = mon_get_cpu();
722 hwaddr gpa;
723
724 if (!cs) {
725 monitor_printf(mon, "No cpu\n");
726 return;
727 }
728
729 gpa = cpu_get_phys_page_attrs_debug(cs, addr & TARGET_PAGE_MASK, &attrs);
730 if (gpa == -1) {
731 monitor_printf(mon, "Unmapped\n");
732 } else {
733 monitor_printf(mon, "gpa: %#" HWADDR_PRIx "\n",
734 gpa + (addr & ~TARGET_PAGE_MASK));
735 }
736 }
737
738 #ifdef CONFIG_LINUX
739 static uint64_t vtop(void *ptr, Error **errp)
740 {
741 uint64_t pinfo;
742 uint64_t ret = -1;
743 uintptr_t addr = (uintptr_t) ptr;
744 uintptr_t pagesize = qemu_real_host_page_size;
745 off_t offset = addr / pagesize * sizeof(pinfo);
746 int fd;
747
748 fd = open("/proc/self/pagemap", O_RDONLY);
749 if (fd == -1) {
750 error_setg_errno(errp, errno, "Cannot open /proc/self/pagemap");
751 return -1;
752 }
753
754 /* Force copy-on-write if necessary. */
755 atomic_add((uint8_t *)ptr, 0);
756
757 if (pread(fd, &pinfo, sizeof(pinfo), offset) != sizeof(pinfo)) {
758 error_setg_errno(errp, errno, "Cannot read pagemap");
759 goto out;
760 }
761 if ((pinfo & (1ull << 63)) == 0) {
762 error_setg(errp, "Page not present");
763 goto out;
764 }
765 ret = ((pinfo & 0x007fffffffffffffull) * pagesize) | (addr & (pagesize - 1));
766
767 out:
768 close(fd);
769 return ret;
770 }
771
772 static void hmp_gpa2hpa(Monitor *mon, const QDict *qdict)
773 {
774 hwaddr addr = qdict_get_int(qdict, "addr");
775 Error *local_err = NULL;
776 MemoryRegion *mr = NULL;
777 void *ptr;
778 uint64_t physaddr;
779
780 ptr = gpa2hva(&mr, addr, &local_err);
781 if (local_err) {
782 error_report_err(local_err);
783 return;
784 }
785
786 physaddr = vtop(ptr, &local_err);
787 if (local_err) {
788 error_report_err(local_err);
789 } else {
790 monitor_printf(mon, "Host physical address for 0x%" HWADDR_PRIx
791 " (%s) is 0x%" PRIx64 "\n",
792 addr, mr->name, (uint64_t) physaddr);
793 }
794
795 memory_region_unref(mr);
796 }
797 #endif
798
799 static void do_print(Monitor *mon, const QDict *qdict)
800 {
801 int format = qdict_get_int(qdict, "format");
802 hwaddr val = qdict_get_int(qdict, "val");
803
804 switch(format) {
805 case 'o':
806 monitor_printf(mon, "%#" HWADDR_PRIo, val);
807 break;
808 case 'x':
809 monitor_printf(mon, "%#" HWADDR_PRIx, val);
810 break;
811 case 'u':
812 monitor_printf(mon, "%" HWADDR_PRIu, val);
813 break;
814 default:
815 case 'd':
816 monitor_printf(mon, "%" HWADDR_PRId, val);
817 break;
818 case 'c':
819 monitor_printc(mon, val);
820 break;
821 }
822 monitor_printf(mon, "\n");
823 }
824
825 static void hmp_sum(Monitor *mon, const QDict *qdict)
826 {
827 uint32_t addr;
828 uint16_t sum;
829 uint32_t start = qdict_get_int(qdict, "start");
830 uint32_t size = qdict_get_int(qdict, "size");
831
832 sum = 0;
833 for(addr = start; addr < (start + size); addr++) {
834 uint8_t val = address_space_ldub(&address_space_memory, addr,
835 MEMTXATTRS_UNSPECIFIED, NULL);
836 /* BSD sum algorithm ('sum' Unix command) */
837 sum = (sum >> 1) | (sum << 15);
838 sum += val;
839 }
840 monitor_printf(mon, "%05d\n", sum);
841 }
842
843 static int mouse_button_state;
844
845 static void hmp_mouse_move(Monitor *mon, const QDict *qdict)
846 {
847 int dx, dy, dz, button;
848 const char *dx_str = qdict_get_str(qdict, "dx_str");
849 const char *dy_str = qdict_get_str(qdict, "dy_str");
850 const char *dz_str = qdict_get_try_str(qdict, "dz_str");
851
852 dx = strtol(dx_str, NULL, 0);
853 dy = strtol(dy_str, NULL, 0);
854 qemu_input_queue_rel(NULL, INPUT_AXIS_X, dx);
855 qemu_input_queue_rel(NULL, INPUT_AXIS_Y, dy);
856
857 if (dz_str) {
858 dz = strtol(dz_str, NULL, 0);
859 if (dz != 0) {
860 button = (dz > 0) ? INPUT_BUTTON_WHEEL_UP : INPUT_BUTTON_WHEEL_DOWN;
861 qemu_input_queue_btn(NULL, button, true);
862 qemu_input_event_sync();
863 qemu_input_queue_btn(NULL, button, false);
864 }
865 }
866 qemu_input_event_sync();
867 }
868
869 static void hmp_mouse_button(Monitor *mon, const QDict *qdict)
870 {
871 static uint32_t bmap[INPUT_BUTTON__MAX] = {
872 [INPUT_BUTTON_LEFT] = MOUSE_EVENT_LBUTTON,
873 [INPUT_BUTTON_MIDDLE] = MOUSE_EVENT_MBUTTON,
874 [INPUT_BUTTON_RIGHT] = MOUSE_EVENT_RBUTTON,
875 };
876 int button_state = qdict_get_int(qdict, "button_state");
877
878 if (mouse_button_state == button_state) {
879 return;
880 }
881 qemu_input_update_buttons(NULL, bmap, mouse_button_state, button_state);
882 qemu_input_event_sync();
883 mouse_button_state = button_state;
884 }
885
886 static void hmp_ioport_read(Monitor *mon, const QDict *qdict)
887 {
888 int size = qdict_get_int(qdict, "size");
889 int addr = qdict_get_int(qdict, "addr");
890 int has_index = qdict_haskey(qdict, "index");
891 uint32_t val;
892 int suffix;
893
894 if (has_index) {
895 int index = qdict_get_int(qdict, "index");
896 cpu_outb(addr & IOPORTS_MASK, index & 0xff);
897 addr++;
898 }
899 addr &= 0xffff;
900
901 switch(size) {
902 default:
903 case 1:
904 val = cpu_inb(addr);
905 suffix = 'b';
906 break;
907 case 2:
908 val = cpu_inw(addr);
909 suffix = 'w';
910 break;
911 case 4:
912 val = cpu_inl(addr);
913 suffix = 'l';
914 break;
915 }
916 monitor_printf(mon, "port%c[0x%04x] = %#0*x\n",
917 suffix, addr, size * 2, val);
918 }
919
920 static void hmp_ioport_write(Monitor *mon, const QDict *qdict)
921 {
922 int size = qdict_get_int(qdict, "size");
923 int addr = qdict_get_int(qdict, "addr");
924 int val = qdict_get_int(qdict, "val");
925
926 addr &= IOPORTS_MASK;
927
928 switch (size) {
929 default:
930 case 1:
931 cpu_outb(addr, val);
932 break;
933 case 2:
934 cpu_outw(addr, val);
935 break;
936 case 4:
937 cpu_outl(addr, val);
938 break;
939 }
940 }
941
942 static void hmp_boot_set(Monitor *mon, const QDict *qdict)
943 {
944 Error *local_err = NULL;
945 const char *bootdevice = qdict_get_str(qdict, "bootdevice");
946
947 qemu_boot_set(bootdevice, &local_err);
948 if (local_err) {
949 error_report_err(local_err);
950 } else {
951 monitor_printf(mon, "boot device list now set to %s\n", bootdevice);
952 }
953 }
954
955 static void hmp_info_mtree(Monitor *mon, const QDict *qdict)
956 {
957 bool flatview = qdict_get_try_bool(qdict, "flatview", false);
958 bool dispatch_tree = qdict_get_try_bool(qdict, "dispatch_tree", false);
959 bool owner = qdict_get_try_bool(qdict, "owner", false);
960 bool disabled = qdict_get_try_bool(qdict, "disabled", false);
961
962 mtree_info(flatview, dispatch_tree, owner, disabled);
963 }
964
965 #ifdef CONFIG_PROFILER
966
967 int64_t dev_time;
968
969 static void hmp_info_profile(Monitor *mon, const QDict *qdict)
970 {
971 static int64_t last_cpu_exec_time;
972 int64_t cpu_exec_time;
973 int64_t delta;
974
975 cpu_exec_time = tcg_cpu_exec_time();
976 delta = cpu_exec_time - last_cpu_exec_time;
977
978 monitor_printf(mon, "async time %" PRId64 " (%0.3f)\n",
979 dev_time, dev_time / (double)NANOSECONDS_PER_SECOND);
980 monitor_printf(mon, "qemu time %" PRId64 " (%0.3f)\n",
981 delta, delta / (double)NANOSECONDS_PER_SECOND);
982 last_cpu_exec_time = cpu_exec_time;
983 dev_time = 0;
984 }
985 #else
986 static void hmp_info_profile(Monitor *mon, const QDict *qdict)
987 {
988 monitor_printf(mon, "Internal profiler not compiled\n");
989 }
990 #endif
991
992 /* Capture support */
993 static QLIST_HEAD (capture_list_head, CaptureState) capture_head;
994
995 static void hmp_info_capture(Monitor *mon, const QDict *qdict)
996 {
997 int i;
998 CaptureState *s;
999
1000 for (s = capture_head.lh_first, i = 0; s; s = s->entries.le_next, ++i) {
1001 monitor_printf(mon, "[%d]: ", i);
1002 s->ops.info (s->opaque);
1003 }
1004 }
1005
1006 static void hmp_stopcapture(Monitor *mon, const QDict *qdict)
1007 {
1008 int i;
1009 int n = qdict_get_int(qdict, "n");
1010 CaptureState *s;
1011
1012 for (s = capture_head.lh_first, i = 0; s; s = s->entries.le_next, ++i) {
1013 if (i == n) {
1014 s->ops.destroy (s->opaque);
1015 QLIST_REMOVE (s, entries);
1016 g_free (s);
1017 return;
1018 }
1019 }
1020 }
1021
1022 static void hmp_wavcapture(Monitor *mon, const QDict *qdict)
1023 {
1024 const char *path = qdict_get_str(qdict, "path");
1025 int freq = qdict_get_try_int(qdict, "freq", 44100);
1026 int bits = qdict_get_try_int(qdict, "bits", 16);
1027 int nchannels = qdict_get_try_int(qdict, "nchannels", 2);
1028 const char *audiodev = qdict_get_str(qdict, "audiodev");
1029 CaptureState *s;
1030 AudioState *as = audio_state_by_name(audiodev);
1031
1032 if (!as) {
1033 monitor_printf(mon, "Audiodev '%s' not found\n", audiodev);
1034 return;
1035 }
1036
1037 s = g_malloc0 (sizeof (*s));
1038
1039 if (wav_start_capture(as, s, path, freq, bits, nchannels)) {
1040 monitor_printf(mon, "Failed to add wave capture\n");
1041 g_free (s);
1042 return;
1043 }
1044 QLIST_INSERT_HEAD (&capture_head, s, entries);
1045 }
1046
1047 static QAuthZList *find_auth(Monitor *mon, const char *name)
1048 {
1049 Object *obj;
1050 Object *container;
1051
1052 container = object_get_objects_root();
1053 obj = object_resolve_path_component(container, name);
1054 if (!obj) {
1055 monitor_printf(mon, "acl: unknown list '%s'\n", name);
1056 return NULL;
1057 }
1058
1059 return QAUTHZ_LIST(obj);
1060 }
1061
1062 static bool warn_acl;
1063 static void hmp_warn_acl(void)
1064 {
1065 if (warn_acl) {
1066 return;
1067 }
1068 error_report("The acl_show, acl_reset, acl_policy, acl_add, acl_remove "
1069 "commands are deprecated with no replacement. Authorization "
1070 "for VNC should be performed using the pluggable QAuthZ "
1071 "objects");
1072 warn_acl = true;
1073 }
1074
1075 static void hmp_acl_show(Monitor *mon, const QDict *qdict)
1076 {
1077 const char *aclname = qdict_get_str(qdict, "aclname");
1078 QAuthZList *auth = find_auth(mon, aclname);
1079 QAuthZListRuleList *rules;
1080 size_t i = 0;
1081
1082 hmp_warn_acl();
1083
1084 if (!auth) {
1085 return;
1086 }
1087
1088 monitor_printf(mon, "policy: %s\n",
1089 QAuthZListPolicy_str(auth->policy));
1090
1091 rules = auth->rules;
1092 while (rules) {
1093 QAuthZListRule *rule = rules->value;
1094 i++;
1095 monitor_printf(mon, "%zu: %s %s\n", i,
1096 QAuthZListPolicy_str(rule->policy),
1097 rule->match);
1098 rules = rules->next;
1099 }
1100 }
1101
1102 static void hmp_acl_reset(Monitor *mon, const QDict *qdict)
1103 {
1104 const char *aclname = qdict_get_str(qdict, "aclname");
1105 QAuthZList *auth = find_auth(mon, aclname);
1106
1107 hmp_warn_acl();
1108
1109 if (!auth) {
1110 return;
1111 }
1112
1113 auth->policy = QAUTHZ_LIST_POLICY_DENY;
1114 qapi_free_QAuthZListRuleList(auth->rules);
1115 auth->rules = NULL;
1116 monitor_printf(mon, "acl: removed all rules\n");
1117 }
1118
1119 static void hmp_acl_policy(Monitor *mon, const QDict *qdict)
1120 {
1121 const char *aclname = qdict_get_str(qdict, "aclname");
1122 const char *policy = qdict_get_str(qdict, "policy");
1123 QAuthZList *auth = find_auth(mon, aclname);
1124 int val;
1125 Error *err = NULL;
1126
1127 hmp_warn_acl();
1128
1129 if (!auth) {
1130 return;
1131 }
1132
1133 val = qapi_enum_parse(&QAuthZListPolicy_lookup,
1134 policy,
1135 QAUTHZ_LIST_POLICY_DENY,
1136 &err);
1137 if (err) {
1138 error_free(err);
1139 monitor_printf(mon, "acl: unknown policy '%s', "
1140 "expected 'deny' or 'allow'\n", policy);
1141 } else {
1142 auth->policy = val;
1143 if (auth->policy == QAUTHZ_LIST_POLICY_ALLOW) {
1144 monitor_printf(mon, "acl: policy set to 'allow'\n");
1145 } else {
1146 monitor_printf(mon, "acl: policy set to 'deny'\n");
1147 }
1148 }
1149 }
1150
1151 static QAuthZListFormat hmp_acl_get_format(const char *match)
1152 {
1153 if (strchr(match, '*')) {
1154 return QAUTHZ_LIST_FORMAT_GLOB;
1155 } else {
1156 return QAUTHZ_LIST_FORMAT_EXACT;
1157 }
1158 }
1159
1160 static void hmp_acl_add(Monitor *mon, const QDict *qdict)
1161 {
1162 const char *aclname = qdict_get_str(qdict, "aclname");
1163 const char *match = qdict_get_str(qdict, "match");
1164 const char *policystr = qdict_get_str(qdict, "policy");
1165 int has_index = qdict_haskey(qdict, "index");
1166 int index = qdict_get_try_int(qdict, "index", -1);
1167 QAuthZList *auth = find_auth(mon, aclname);
1168 Error *err = NULL;
1169 QAuthZListPolicy policy;
1170 QAuthZListFormat format;
1171 size_t i = 0;
1172
1173 hmp_warn_acl();
1174
1175 if (!auth) {
1176 return;
1177 }
1178
1179 policy = qapi_enum_parse(&QAuthZListPolicy_lookup,
1180 policystr,
1181 QAUTHZ_LIST_POLICY_DENY,
1182 &err);
1183 if (err) {
1184 error_free(err);
1185 monitor_printf(mon, "acl: unknown policy '%s', "
1186 "expected 'deny' or 'allow'\n", policystr);
1187 return;
1188 }
1189
1190 format = hmp_acl_get_format(match);
1191
1192 if (has_index && index == 0) {
1193 monitor_printf(mon, "acl: unable to add acl entry\n");
1194 return;
1195 }
1196
1197 if (has_index) {
1198 i = qauthz_list_insert_rule(auth, match, policy,
1199 format, index - 1, &err);
1200 } else {
1201 i = qauthz_list_append_rule(auth, match, policy,
1202 format, &err);
1203 }
1204 if (err) {
1205 monitor_printf(mon, "acl: unable to add rule: %s",
1206 error_get_pretty(err));
1207 error_free(err);
1208 } else {
1209 monitor_printf(mon, "acl: added rule at position %zu\n", i + 1);
1210 }
1211 }
1212
1213 static void hmp_acl_remove(Monitor *mon, const QDict *qdict)
1214 {
1215 const char *aclname = qdict_get_str(qdict, "aclname");
1216 const char *match = qdict_get_str(qdict, "match");
1217 QAuthZList *auth = find_auth(mon, aclname);
1218 ssize_t i = 0;
1219
1220 hmp_warn_acl();
1221
1222 if (!auth) {
1223 return;
1224 }
1225
1226 i = qauthz_list_delete_rule(auth, match);
1227 if (i >= 0) {
1228 monitor_printf(mon, "acl: removed rule at position %zu\n", i + 1);
1229 } else {
1230 monitor_printf(mon, "acl: no matching acl entry\n");
1231 }
1232 }
1233
1234 void qmp_getfd(const char *fdname, Error **errp)
1235 {
1236 mon_fd_t *monfd;
1237 int fd, tmp_fd;
1238
1239 fd = qemu_chr_fe_get_msgfd(&cur_mon->chr);
1240 if (fd == -1) {
1241 error_setg(errp, QERR_FD_NOT_SUPPLIED);
1242 return;
1243 }
1244
1245 if (qemu_isdigit(fdname[0])) {
1246 close(fd);
1247 error_setg(errp, QERR_INVALID_PARAMETER_VALUE, "fdname",
1248 "a name not starting with a digit");
1249 return;
1250 }
1251
1252 qemu_mutex_lock(&cur_mon->mon_lock);
1253 QLIST_FOREACH(monfd, &cur_mon->fds, next) {
1254 if (strcmp(monfd->name, fdname) != 0) {
1255 continue;
1256 }
1257
1258 tmp_fd = monfd->fd;
1259 monfd->fd = fd;
1260 qemu_mutex_unlock(&cur_mon->mon_lock);
1261 /* Make sure close() is outside critical section */
1262 close(tmp_fd);
1263 return;
1264 }
1265
1266 monfd = g_malloc0(sizeof(mon_fd_t));
1267 monfd->name = g_strdup(fdname);
1268 monfd->fd = fd;
1269
1270 QLIST_INSERT_HEAD(&cur_mon->fds, monfd, next);
1271 qemu_mutex_unlock(&cur_mon->mon_lock);
1272 }
1273
1274 void qmp_closefd(const char *fdname, Error **errp)
1275 {
1276 mon_fd_t *monfd;
1277 int tmp_fd;
1278
1279 qemu_mutex_lock(&cur_mon->mon_lock);
1280 QLIST_FOREACH(monfd, &cur_mon->fds, next) {
1281 if (strcmp(monfd->name, fdname) != 0) {
1282 continue;
1283 }
1284
1285 QLIST_REMOVE(monfd, next);
1286 tmp_fd = monfd->fd;
1287 g_free(monfd->name);
1288 g_free(monfd);
1289 qemu_mutex_unlock(&cur_mon->mon_lock);
1290 /* Make sure close() is outside critical section */
1291 close(tmp_fd);
1292 return;
1293 }
1294
1295 qemu_mutex_unlock(&cur_mon->mon_lock);
1296 error_setg(errp, QERR_FD_NOT_FOUND, fdname);
1297 }
1298
1299 int monitor_get_fd(Monitor *mon, const char *fdname, Error **errp)
1300 {
1301 mon_fd_t *monfd;
1302
1303 qemu_mutex_lock(&mon->mon_lock);
1304 QLIST_FOREACH(monfd, &mon->fds, next) {
1305 int fd;
1306
1307 if (strcmp(monfd->name, fdname) != 0) {
1308 continue;
1309 }
1310
1311 fd = monfd->fd;
1312
1313 /* caller takes ownership of fd */
1314 QLIST_REMOVE(monfd, next);
1315 g_free(monfd->name);
1316 g_free(monfd);
1317 qemu_mutex_unlock(&mon->mon_lock);
1318
1319 return fd;
1320 }
1321
1322 qemu_mutex_unlock(&mon->mon_lock);
1323 error_setg(errp, "File descriptor named '%s' has not been found", fdname);
1324 return -1;
1325 }
1326
1327 static void monitor_fdset_cleanup(MonFdset *mon_fdset)
1328 {
1329 MonFdsetFd *mon_fdset_fd;
1330 MonFdsetFd *mon_fdset_fd_next;
1331
1332 QLIST_FOREACH_SAFE(mon_fdset_fd, &mon_fdset->fds, next, mon_fdset_fd_next) {
1333 if ((mon_fdset_fd->removed ||
1334 (QLIST_EMPTY(&mon_fdset->dup_fds) && mon_refcount == 0)) &&
1335 runstate_is_running()) {
1336 close(mon_fdset_fd->fd);
1337 g_free(mon_fdset_fd->opaque);
1338 QLIST_REMOVE(mon_fdset_fd, next);
1339 g_free(mon_fdset_fd);
1340 }
1341 }
1342
1343 if (QLIST_EMPTY(&mon_fdset->fds) && QLIST_EMPTY(&mon_fdset->dup_fds)) {
1344 QLIST_REMOVE(mon_fdset, next);
1345 g_free(mon_fdset);
1346 }
1347 }
1348
1349 void monitor_fdsets_cleanup(void)
1350 {
1351 MonFdset *mon_fdset;
1352 MonFdset *mon_fdset_next;
1353
1354 qemu_mutex_lock(&mon_fdsets_lock);
1355 QLIST_FOREACH_SAFE(mon_fdset, &mon_fdsets, next, mon_fdset_next) {
1356 monitor_fdset_cleanup(mon_fdset);
1357 }
1358 qemu_mutex_unlock(&mon_fdsets_lock);
1359 }
1360
1361 AddfdInfo *qmp_add_fd(bool has_fdset_id, int64_t fdset_id, bool has_opaque,
1362 const char *opaque, Error **errp)
1363 {
1364 int fd;
1365 Monitor *mon = cur_mon;
1366 AddfdInfo *fdinfo;
1367
1368 fd = qemu_chr_fe_get_msgfd(&mon->chr);
1369 if (fd == -1) {
1370 error_setg(errp, QERR_FD_NOT_SUPPLIED);
1371 goto error;
1372 }
1373
1374 fdinfo = monitor_fdset_add_fd(fd, has_fdset_id, fdset_id,
1375 has_opaque, opaque, errp);
1376 if (fdinfo) {
1377 return fdinfo;
1378 }
1379
1380 error:
1381 if (fd != -1) {
1382 close(fd);
1383 }
1384 return NULL;
1385 }
1386
1387 void qmp_remove_fd(int64_t fdset_id, bool has_fd, int64_t fd, Error **errp)
1388 {
1389 MonFdset *mon_fdset;
1390 MonFdsetFd *mon_fdset_fd;
1391 char fd_str[60];
1392
1393 qemu_mutex_lock(&mon_fdsets_lock);
1394 QLIST_FOREACH(mon_fdset, &mon_fdsets, next) {
1395 if (mon_fdset->id != fdset_id) {
1396 continue;
1397 }
1398 QLIST_FOREACH(mon_fdset_fd, &mon_fdset->fds, next) {
1399 if (has_fd) {
1400 if (mon_fdset_fd->fd != fd) {
1401 continue;
1402 }
1403 mon_fdset_fd->removed = true;
1404 break;
1405 } else {
1406 mon_fdset_fd->removed = true;
1407 }
1408 }
1409 if (has_fd && !mon_fdset_fd) {
1410 goto error;
1411 }
1412 monitor_fdset_cleanup(mon_fdset);
1413 qemu_mutex_unlock(&mon_fdsets_lock);
1414 return;
1415 }
1416
1417 error:
1418 qemu_mutex_unlock(&mon_fdsets_lock);
1419 if (has_fd) {
1420 snprintf(fd_str, sizeof(fd_str), "fdset-id:%" PRId64 ", fd:%" PRId64,
1421 fdset_id, fd);
1422 } else {
1423 snprintf(fd_str, sizeof(fd_str), "fdset-id:%" PRId64, fdset_id);
1424 }
1425 error_setg(errp, QERR_FD_NOT_FOUND, fd_str);
1426 }
1427
1428 FdsetInfoList *qmp_query_fdsets(Error **errp)
1429 {
1430 MonFdset *mon_fdset;
1431 MonFdsetFd *mon_fdset_fd;
1432 FdsetInfoList *fdset_list = NULL;
1433
1434 qemu_mutex_lock(&mon_fdsets_lock);
1435 QLIST_FOREACH(mon_fdset, &mon_fdsets, next) {
1436 FdsetInfoList *fdset_info = g_malloc0(sizeof(*fdset_info));
1437 FdsetFdInfoList *fdsetfd_list = NULL;
1438
1439 fdset_info->value = g_malloc0(sizeof(*fdset_info->value));
1440 fdset_info->value->fdset_id = mon_fdset->id;
1441
1442 QLIST_FOREACH(mon_fdset_fd, &mon_fdset->fds, next) {
1443 FdsetFdInfoList *fdsetfd_info;
1444
1445 fdsetfd_info = g_malloc0(sizeof(*fdsetfd_info));
1446 fdsetfd_info->value = g_malloc0(sizeof(*fdsetfd_info->value));
1447 fdsetfd_info->value->fd = mon_fdset_fd->fd;
1448 if (mon_fdset_fd->opaque) {
1449 fdsetfd_info->value->has_opaque = true;
1450 fdsetfd_info->value->opaque = g_strdup(mon_fdset_fd->opaque);
1451 } else {
1452 fdsetfd_info->value->has_opaque = false;
1453 }
1454
1455 fdsetfd_info->next = fdsetfd_list;
1456 fdsetfd_list = fdsetfd_info;
1457 }
1458
1459 fdset_info->value->fds = fdsetfd_list;
1460
1461 fdset_info->next = fdset_list;
1462 fdset_list = fdset_info;
1463 }
1464 qemu_mutex_unlock(&mon_fdsets_lock);
1465
1466 return fdset_list;
1467 }
1468
1469 AddfdInfo *monitor_fdset_add_fd(int fd, bool has_fdset_id, int64_t fdset_id,
1470 bool has_opaque, const char *opaque,
1471 Error **errp)
1472 {
1473 MonFdset *mon_fdset = NULL;
1474 MonFdsetFd *mon_fdset_fd;
1475 AddfdInfo *fdinfo;
1476
1477 QEMU_LOCK_GUARD(&mon_fdsets_lock);
1478 if (has_fdset_id) {
1479 QLIST_FOREACH(mon_fdset, &mon_fdsets, next) {
1480 /* Break if match found or match impossible due to ordering by ID */
1481 if (fdset_id <= mon_fdset->id) {
1482 if (fdset_id < mon_fdset->id) {
1483 mon_fdset = NULL;
1484 }
1485 break;
1486 }
1487 }
1488 }
1489
1490 if (mon_fdset == NULL) {
1491 int64_t fdset_id_prev = -1;
1492 MonFdset *mon_fdset_cur = QLIST_FIRST(&mon_fdsets);
1493
1494 if (has_fdset_id) {
1495 if (fdset_id < 0) {
1496 error_setg(errp, QERR_INVALID_PARAMETER_VALUE, "fdset-id",
1497 "a non-negative value");
1498 return NULL;
1499 }
1500 /* Use specified fdset ID */
1501 QLIST_FOREACH(mon_fdset, &mon_fdsets, next) {
1502 mon_fdset_cur = mon_fdset;
1503 if (fdset_id < mon_fdset_cur->id) {
1504 break;
1505 }
1506 }
1507 } else {
1508 /* Use first available fdset ID */
1509 QLIST_FOREACH(mon_fdset, &mon_fdsets, next) {
1510 mon_fdset_cur = mon_fdset;
1511 if (fdset_id_prev == mon_fdset_cur->id - 1) {
1512 fdset_id_prev = mon_fdset_cur->id;
1513 continue;
1514 }
1515 break;
1516 }
1517 }
1518
1519 mon_fdset = g_malloc0(sizeof(*mon_fdset));
1520 if (has_fdset_id) {
1521 mon_fdset->id = fdset_id;
1522 } else {
1523 mon_fdset->id = fdset_id_prev + 1;
1524 }
1525
1526 /* The fdset list is ordered by fdset ID */
1527 if (!mon_fdset_cur) {
1528 QLIST_INSERT_HEAD(&mon_fdsets, mon_fdset, next);
1529 } else if (mon_fdset->id < mon_fdset_cur->id) {
1530 QLIST_INSERT_BEFORE(mon_fdset_cur, mon_fdset, next);
1531 } else {
1532 QLIST_INSERT_AFTER(mon_fdset_cur, mon_fdset, next);
1533 }
1534 }
1535
1536 mon_fdset_fd = g_malloc0(sizeof(*mon_fdset_fd));
1537 mon_fdset_fd->fd = fd;
1538 mon_fdset_fd->removed = false;
1539 if (has_opaque) {
1540 mon_fdset_fd->opaque = g_strdup(opaque);
1541 }
1542 QLIST_INSERT_HEAD(&mon_fdset->fds, mon_fdset_fd, next);
1543
1544 fdinfo = g_malloc0(sizeof(*fdinfo));
1545 fdinfo->fdset_id = mon_fdset->id;
1546 fdinfo->fd = mon_fdset_fd->fd;
1547
1548 return fdinfo;
1549 }
1550
1551 int monitor_fdset_get_fd(int64_t fdset_id, int flags)
1552 {
1553 #ifdef _WIN32
1554 return -ENOENT;
1555 #else
1556 MonFdset *mon_fdset;
1557 MonFdsetFd *mon_fdset_fd;
1558 int mon_fd_flags;
1559 int ret;
1560
1561 qemu_mutex_lock(&mon_fdsets_lock);
1562 QLIST_FOREACH(mon_fdset, &mon_fdsets, next) {
1563 if (mon_fdset->id != fdset_id) {
1564 continue;
1565 }
1566 QLIST_FOREACH(mon_fdset_fd, &mon_fdset->fds, next) {
1567 mon_fd_flags = fcntl(mon_fdset_fd->fd, F_GETFL);
1568 if (mon_fd_flags == -1) {
1569 ret = -errno;
1570 goto out;
1571 }
1572
1573 if ((flags & O_ACCMODE) == (mon_fd_flags & O_ACCMODE)) {
1574 ret = mon_fdset_fd->fd;
1575 goto out;
1576 }
1577 }
1578 ret = -EACCES;
1579 goto out;
1580 }
1581 ret = -ENOENT;
1582
1583 out:
1584 qemu_mutex_unlock(&mon_fdsets_lock);
1585 return ret;
1586 #endif
1587 }
1588
1589 int monitor_fdset_dup_fd_add(int64_t fdset_id, int dup_fd)
1590 {
1591 MonFdset *mon_fdset;
1592 MonFdsetFd *mon_fdset_fd_dup;
1593
1594 qemu_mutex_lock(&mon_fdsets_lock);
1595 QLIST_FOREACH(mon_fdset, &mon_fdsets, next) {
1596 if (mon_fdset->id != fdset_id) {
1597 continue;
1598 }
1599 QLIST_FOREACH(mon_fdset_fd_dup, &mon_fdset->dup_fds, next) {
1600 if (mon_fdset_fd_dup->fd == dup_fd) {
1601 goto err;
1602 }
1603 }
1604 mon_fdset_fd_dup = g_malloc0(sizeof(*mon_fdset_fd_dup));
1605 mon_fdset_fd_dup->fd = dup_fd;
1606 QLIST_INSERT_HEAD(&mon_fdset->dup_fds, mon_fdset_fd_dup, next);
1607 qemu_mutex_unlock(&mon_fdsets_lock);
1608 return 0;
1609 }
1610
1611 err:
1612 qemu_mutex_unlock(&mon_fdsets_lock);
1613 return -1;
1614 }
1615
1616 static int64_t monitor_fdset_dup_fd_find_remove(int dup_fd, bool remove)
1617 {
1618 MonFdset *mon_fdset;
1619 MonFdsetFd *mon_fdset_fd_dup;
1620
1621 qemu_mutex_lock(&mon_fdsets_lock);
1622 QLIST_FOREACH(mon_fdset, &mon_fdsets, next) {
1623 QLIST_FOREACH(mon_fdset_fd_dup, &mon_fdset->dup_fds, next) {
1624 if (mon_fdset_fd_dup->fd == dup_fd) {
1625 if (remove) {
1626 QLIST_REMOVE(mon_fdset_fd_dup, next);
1627 g_free(mon_fdset_fd_dup);
1628 if (QLIST_EMPTY(&mon_fdset->dup_fds)) {
1629 monitor_fdset_cleanup(mon_fdset);
1630 }
1631 goto err;
1632 } else {
1633 qemu_mutex_unlock(&mon_fdsets_lock);
1634 return mon_fdset->id;
1635 }
1636 }
1637 }
1638 }
1639
1640 err:
1641 qemu_mutex_unlock(&mon_fdsets_lock);
1642 return -1;
1643 }
1644
1645 int64_t monitor_fdset_dup_fd_find(int dup_fd)
1646 {
1647 return monitor_fdset_dup_fd_find_remove(dup_fd, false);
1648 }
1649
1650 void monitor_fdset_dup_fd_remove(int dup_fd)
1651 {
1652 monitor_fdset_dup_fd_find_remove(dup_fd, true);
1653 }
1654
1655 int monitor_fd_param(Monitor *mon, const char *fdname, Error **errp)
1656 {
1657 int fd;
1658 Error *local_err = NULL;
1659
1660 if (!qemu_isdigit(fdname[0]) && mon) {
1661 fd = monitor_get_fd(mon, fdname, &local_err);
1662 } else {
1663 fd = qemu_parse_fd(fdname);
1664 if (fd == -1) {
1665 error_setg(&local_err, "Invalid file descriptor number '%s'",
1666 fdname);
1667 }
1668 }
1669 if (local_err) {
1670 error_propagate(errp, local_err);
1671 assert(fd == -1);
1672 } else {
1673 assert(fd != -1);
1674 }
1675
1676 return fd;
1677 }
1678
1679 /* Please update hmp-commands.hx when adding or changing commands */
1680 static HMPCommand hmp_info_cmds[] = {
1681 #include "hmp-commands-info.h"
1682 { NULL, NULL, },
1683 };
1684
1685 /* hmp_cmds and hmp_info_cmds would be sorted at runtime */
1686 HMPCommand hmp_cmds[] = {
1687 #include "hmp-commands.h"
1688 { NULL, NULL, },
1689 };
1690
1691 /*
1692 * Set @pval to the value in the register identified by @name.
1693 * return 0 if OK, -1 if not found
1694 */
1695 int get_monitor_def(int64_t *pval, const char *name)
1696 {
1697 const MonitorDef *md = target_monitor_defs();
1698 CPUState *cs = mon_get_cpu();
1699 void *ptr;
1700 uint64_t tmp = 0;
1701 int ret;
1702
1703 if (cs == NULL || md == NULL) {
1704 return -1;
1705 }
1706
1707 for(; md->name != NULL; md++) {
1708 if (hmp_compare_cmd(name, md->name)) {
1709 if (md->get_value) {
1710 *pval = md->get_value(md, md->offset);
1711 } else {
1712 CPUArchState *env = mon_get_cpu_env();
1713 ptr = (uint8_t *)env + md->offset;
1714 switch(md->type) {
1715 case MD_I32:
1716 *pval = *(int32_t *)ptr;
1717 break;
1718 case MD_TLONG:
1719 *pval = *(target_long *)ptr;
1720 break;
1721 default:
1722 *pval = 0;
1723 break;
1724 }
1725 }
1726 return 0;
1727 }
1728 }
1729
1730 ret = target_get_monitor_def(cs, name, &tmp);
1731 if (!ret) {
1732 *pval = (target_long) tmp;
1733 }
1734
1735 return ret;
1736 }
1737
1738 static void add_completion_option(ReadLineState *rs, const char *str,
1739 const char *option)
1740 {
1741 if (!str || !option) {
1742 return;
1743 }
1744 if (!strncmp(option, str, strlen(str))) {
1745 readline_add_completion(rs, option);
1746 }
1747 }
1748
1749 void chardev_add_completion(ReadLineState *rs, int nb_args, const char *str)
1750 {
1751 size_t len;
1752 ChardevBackendInfoList *list, *start;
1753
1754 if (nb_args != 2) {
1755 return;
1756 }
1757 len = strlen(str);
1758 readline_set_completion_index(rs, len);
1759
1760 start = list = qmp_query_chardev_backends(NULL);
1761 while (list) {
1762 const char *chr_name = list->value->name;
1763
1764 if (!strncmp(chr_name, str, len)) {
1765 readline_add_completion(rs, chr_name);
1766 }
1767 list = list->next;
1768 }
1769 qapi_free_ChardevBackendInfoList(start);
1770 }
1771
1772 void netdev_add_completion(ReadLineState *rs, int nb_args, const char *str)
1773 {
1774 size_t len;
1775 int i;
1776
1777 if (nb_args != 2) {
1778 return;
1779 }
1780 len = strlen(str);
1781 readline_set_completion_index(rs, len);
1782 for (i = 0; i < NET_CLIENT_DRIVER__MAX; i++) {
1783 add_completion_option(rs, str, NetClientDriver_str(i));
1784 }
1785 }
1786
1787 void device_add_completion(ReadLineState *rs, int nb_args, const char *str)
1788 {
1789 GSList *list, *elt;
1790 size_t len;
1791
1792 if (nb_args != 2) {
1793 return;
1794 }
1795
1796 len = strlen(str);
1797 readline_set_completion_index(rs, len);
1798 list = elt = object_class_get_list(TYPE_DEVICE, false);
1799 while (elt) {
1800 const char *name;
1801 DeviceClass *dc = OBJECT_CLASS_CHECK(DeviceClass, elt->data,
1802 TYPE_DEVICE);
1803 name = object_class_get_name(OBJECT_CLASS(dc));
1804
1805 if (dc->user_creatable
1806 && !strncmp(name, str, len)) {
1807 readline_add_completion(rs, name);
1808 }
1809 elt = elt->next;
1810 }
1811 g_slist_free(list);
1812 }
1813
1814 void object_add_completion(ReadLineState *rs, int nb_args, const char *str)
1815 {
1816 GSList *list, *elt;
1817 size_t len;
1818
1819 if (nb_args != 2) {
1820 return;
1821 }
1822
1823 len = strlen(str);
1824 readline_set_completion_index(rs, len);
1825 list = elt = object_class_get_list(TYPE_USER_CREATABLE, false);
1826 while (elt) {
1827 const char *name;
1828
1829 name = object_class_get_name(OBJECT_CLASS(elt->data));
1830 if (!strncmp(name, str, len) && strcmp(name, TYPE_USER_CREATABLE)) {
1831 readline_add_completion(rs, name);
1832 }
1833 elt = elt->next;
1834 }
1835 g_slist_free(list);
1836 }
1837
1838 static int qdev_add_hotpluggable_device(Object *obj, void *opaque)
1839 {
1840 GSList **list = opaque;
1841 DeviceState *dev = (DeviceState *)object_dynamic_cast(obj, TYPE_DEVICE);
1842
1843 if (dev == NULL) {
1844 return 0;
1845 }
1846
1847 if (dev->realized && object_property_get_bool(obj, "hotpluggable", NULL)) {
1848 *list = g_slist_append(*list, dev);
1849 }
1850
1851 return 0;
1852 }
1853
1854 static GSList *qdev_build_hotpluggable_device_list(Object *peripheral)
1855 {
1856 GSList *list = NULL;
1857
1858 object_child_foreach(peripheral, qdev_add_hotpluggable_device, &list);
1859
1860 return list;
1861 }
1862
1863 static void peripheral_device_del_completion(ReadLineState *rs,
1864 const char *str, size_t len)
1865 {
1866 Object *peripheral = container_get(qdev_get_machine(), "/peripheral");
1867 GSList *list, *item;
1868
1869 list = qdev_build_hotpluggable_device_list(peripheral);
1870 if (!list) {
1871 return;
1872 }
1873
1874 for (item = list; item; item = g_slist_next(item)) {
1875 DeviceState *dev = item->data;
1876
1877 if (dev->id && !strncmp(str, dev->id, len)) {
1878 readline_add_completion(rs, dev->id);
1879 }
1880 }
1881
1882 g_slist_free(list);
1883 }
1884
1885 void chardev_remove_completion(ReadLineState *rs, int nb_args, const char *str)
1886 {
1887 size_t len;
1888 ChardevInfoList *list, *start;
1889
1890 if (nb_args != 2) {
1891 return;
1892 }
1893 len = strlen(str);
1894 readline_set_completion_index(rs, len);
1895
1896 start = list = qmp_query_chardev(NULL);
1897 while (list) {
1898 ChardevInfo *chr = list->value;
1899
1900 if (!strncmp(chr->label, str, len)) {
1901 readline_add_completion(rs, chr->label);
1902 }
1903 list = list->next;
1904 }
1905 qapi_free_ChardevInfoList(start);
1906 }
1907
1908 static void ringbuf_completion(ReadLineState *rs, const char *str)
1909 {
1910 size_t len;
1911 ChardevInfoList *list, *start;
1912
1913 len = strlen(str);
1914 readline_set_completion_index(rs, len);
1915
1916 start = list = qmp_query_chardev(NULL);
1917 while (list) {
1918 ChardevInfo *chr_info = list->value;
1919
1920 if (!strncmp(chr_info->label, str, len)) {
1921 Chardev *chr = qemu_chr_find(chr_info->label);
1922 if (chr && CHARDEV_IS_RINGBUF(chr)) {
1923 readline_add_completion(rs, chr_info->label);
1924 }
1925 }
1926 list = list->next;
1927 }
1928 qapi_free_ChardevInfoList(start);
1929 }
1930
1931 void ringbuf_write_completion(ReadLineState *rs, int nb_args, const char *str)
1932 {
1933 if (nb_args != 2) {
1934 return;
1935 }
1936 ringbuf_completion(rs, str);
1937 }
1938
1939 void device_del_completion(ReadLineState *rs, int nb_args, const char *str)
1940 {
1941 size_t len;
1942
1943 if (nb_args != 2) {
1944 return;
1945 }
1946
1947 len = strlen(str);
1948 readline_set_completion_index(rs, len);
1949 peripheral_device_del_completion(rs, str, len);
1950 }
1951
1952 void object_del_completion(ReadLineState *rs, int nb_args, const char *str)
1953 {
1954 ObjectPropertyInfoList *list, *start;
1955 size_t len;
1956
1957 if (nb_args != 2) {
1958 return;
1959 }
1960 len = strlen(str);
1961 readline_set_completion_index(rs, len);
1962
1963 start = list = qmp_qom_list("/objects", NULL);
1964 while (list) {
1965 ObjectPropertyInfo *info = list->value;
1966
1967 if (!strncmp(info->type, "child<", 5)
1968 && !strncmp(info->name, str, len)) {
1969 readline_add_completion(rs, info->name);
1970 }
1971 list = list->next;
1972 }
1973 qapi_free_ObjectPropertyInfoList(start);
1974 }
1975
1976 void sendkey_completion(ReadLineState *rs, int nb_args, const char *str)
1977 {
1978 int i;
1979 char *sep;
1980 size_t len;
1981
1982 if (nb_args != 2) {
1983 return;
1984 }
1985 sep = strrchr(str, '-');
1986 if (sep) {
1987 str = sep + 1;
1988 }
1989 len = strlen(str);
1990 readline_set_completion_index(rs, len);
1991 for (i = 0; i < Q_KEY_CODE__MAX; i++) {
1992 if (!strncmp(str, QKeyCode_str(i), len)) {
1993 readline_add_completion(rs, QKeyCode_str(i));
1994 }
1995 }
1996 }
1997
1998 void set_link_completion(ReadLineState *rs, int nb_args, const char *str)
1999 {
2000 size_t len;
2001
2002 len = strlen(str);
2003 readline_set_completion_index(rs, len);
2004 if (nb_args == 2) {
2005 NetClientState *ncs[MAX_QUEUE_NUM];
2006 int count, i;
2007 count = qemu_find_net_clients_except(NULL, ncs,
2008 NET_CLIENT_DRIVER_NONE,
2009 MAX_QUEUE_NUM);
2010 for (i = 0; i < MIN(count, MAX_QUEUE_NUM); i++) {
2011 const char *name = ncs[i]->name;
2012 if (!strncmp(str, name, len)) {
2013 readline_add_completion(rs, name);
2014 }
2015 }
2016 } else if (nb_args == 3) {
2017 add_completion_option(rs, str, "on");
2018 add_completion_option(rs, str, "off");
2019 }
2020 }
2021
2022 void netdev_del_completion(ReadLineState *rs, int nb_args, const char *str)
2023 {
2024 int len, count, i;
2025 NetClientState *ncs[MAX_QUEUE_NUM];
2026
2027 if (nb_args != 2) {
2028 return;
2029 }
2030
2031 len = strlen(str);
2032 readline_set_completion_index(rs, len);
2033 count = qemu_find_net_clients_except(NULL, ncs, NET_CLIENT_DRIVER_NIC,
2034 MAX_QUEUE_NUM);
2035 for (i = 0; i < MIN(count, MAX_QUEUE_NUM); i++) {
2036 const char *name = ncs[i]->name;
2037 if (strncmp(str, name, len)) {
2038 continue;
2039 }
2040 if (ncs[i]->is_netdev) {
2041 readline_add_completion(rs, name);
2042 }
2043 }
2044 }
2045
2046 void info_trace_events_completion(ReadLineState *rs, int nb_args, const char *str)
2047 {
2048 size_t len;
2049
2050 len = strlen(str);
2051 readline_set_completion_index(rs, len);
2052 if (nb_args == 2) {
2053 TraceEventIter iter;
2054 TraceEvent *ev;
2055 char *pattern = g_strdup_printf("%s*", str);
2056 trace_event_iter_init(&iter, pattern);
2057 while ((ev = trace_event_iter_next(&iter)) != NULL) {
2058 readline_add_completion(rs, trace_event_get_name(ev));
2059 }
2060 g_free(pattern);
2061 }
2062 }
2063
2064 void trace_event_completion(ReadLineState *rs, int nb_args, const char *str)
2065 {
2066 size_t len;
2067
2068 len = strlen(str);
2069 readline_set_completion_index(rs, len);
2070 if (nb_args == 2) {
2071 TraceEventIter iter;
2072 TraceEvent *ev;
2073 char *pattern = g_strdup_printf("%s*", str);
2074 trace_event_iter_init(&iter, pattern);
2075 while ((ev = trace_event_iter_next(&iter)) != NULL) {
2076 readline_add_completion(rs, trace_event_get_name(ev));
2077 }
2078 g_free(pattern);
2079 } else if (nb_args == 3) {
2080 add_completion_option(rs, str, "on");
2081 add_completion_option(rs, str, "off");
2082 }
2083 }
2084
2085 void watchdog_action_completion(ReadLineState *rs, int nb_args, const char *str)
2086 {
2087 int i;
2088
2089 if (nb_args != 2) {
2090 return;
2091 }
2092 readline_set_completion_index(rs, strlen(str));
2093 for (i = 0; i < WATCHDOG_ACTION__MAX; i++) {
2094 add_completion_option(rs, str, WatchdogAction_str(i));
2095 }
2096 }
2097
2098 void migrate_set_capability_completion(ReadLineState *rs, int nb_args,
2099 const char *str)
2100 {
2101 size_t len;
2102
2103 len = strlen(str);
2104 readline_set_completion_index(rs, len);
2105 if (nb_args == 2) {
2106 int i;
2107 for (i = 0; i < MIGRATION_CAPABILITY__MAX; i++) {
2108 const char *name = MigrationCapability_str(i);
2109 if (!strncmp(str, name, len)) {
2110 readline_add_completion(rs, name);
2111 }
2112 }
2113 } else if (nb_args == 3) {
2114 add_completion_option(rs, str, "on");
2115 add_completion_option(rs, str, "off");
2116 }
2117 }
2118
2119 void migrate_set_parameter_completion(ReadLineState *rs, int nb_args,
2120 const char *str)
2121 {
2122 size_t len;
2123
2124 len = strlen(str);
2125 readline_set_completion_index(rs, len);
2126 if (nb_args == 2) {
2127 int i;
2128 for (i = 0; i < MIGRATION_PARAMETER__MAX; i++) {
2129 const char *name = MigrationParameter_str(i);
2130 if (!strncmp(str, name, len)) {
2131 readline_add_completion(rs, name);
2132 }
2133 }
2134 }
2135 }
2136
2137 static void vm_completion(ReadLineState *rs, const char *str)
2138 {
2139 size_t len;
2140 BlockDriverState *bs;
2141 BdrvNextIterator it;
2142
2143 len = strlen(str);
2144 readline_set_completion_index(rs, len);
2145
2146 for (bs = bdrv_first(&it); bs; bs = bdrv_next(&it)) {
2147 SnapshotInfoList *snapshots, *snapshot;
2148 AioContext *ctx = bdrv_get_aio_context(bs);
2149 bool ok = false;
2150
2151 aio_context_acquire(ctx);
2152 if (bdrv_can_snapshot(bs)) {
2153 ok = bdrv_query_snapshot_info_list(bs, &snapshots, NULL) == 0;
2154 }
2155 aio_context_release(ctx);
2156 if (!ok) {
2157 continue;
2158 }
2159
2160 snapshot = snapshots;
2161 while (snapshot) {
2162 char *completion = snapshot->value->name;
2163 if (!strncmp(str, completion, len)) {
2164 readline_add_completion(rs, completion);
2165 }
2166 completion = snapshot->value->id;
2167 if (!strncmp(str, completion, len)) {
2168 readline_add_completion(rs, completion);
2169 }
2170 snapshot = snapshot->next;
2171 }
2172 qapi_free_SnapshotInfoList(snapshots);
2173 }
2174
2175 }
2176
2177 void delvm_completion(ReadLineState *rs, int nb_args, const char *str)
2178 {
2179 if (nb_args == 2) {
2180 vm_completion(rs, str);
2181 }
2182 }
2183
2184 void loadvm_completion(ReadLineState *rs, int nb_args, const char *str)
2185 {
2186 if (nb_args == 2) {
2187 vm_completion(rs, str);
2188 }
2189 }
2190
2191 static int
2192 compare_mon_cmd(const void *a, const void *b)
2193 {
2194 return strcmp(((const HMPCommand *)a)->name,
2195 ((const HMPCommand *)b)->name);
2196 }
2197
2198 static void sortcmdlist(void)
2199 {
2200 qsort(hmp_cmds, ARRAY_SIZE(hmp_cmds) - 1,
2201 sizeof(*hmp_cmds),
2202 compare_mon_cmd);
2203 qsort(hmp_info_cmds, ARRAY_SIZE(hmp_info_cmds) - 1,
2204 sizeof(*hmp_info_cmds),
2205 compare_mon_cmd);
2206 }
2207
2208 void monitor_init_globals(void)
2209 {
2210 monitor_init_globals_core();
2211 monitor_init_qmp_commands();
2212 sortcmdlist();
2213 qemu_mutex_init(&mon_fdsets_lock);
2214 }