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