xref: /openbmc/qemu/monitor/hmp-cmds.c (revision 8e6fe6b8)
1 /*
2  * Human Monitor Interface commands
3  *
4  * Copyright IBM, Corp. 2011
5  *
6  * Authors:
7  *  Anthony Liguori   <aliguori@us.ibm.com>
8  *
9  * This work is licensed under the terms of the GNU GPL, version 2.  See
10  * the COPYING file in the top-level directory.
11  *
12  * Contributions after 2012-01-13 are licensed under the terms of the
13  * GNU GPL, version 2 or (at your option) any later version.
14  */
15 
16 #include "qemu/osdep.h"
17 #include "hmp.h"
18 #include "net/net.h"
19 #include "net/eth.h"
20 #include "chardev/char.h"
21 #include "sysemu/block-backend.h"
22 #include "sysemu/sysemu.h"
23 #include "qemu/config-file.h"
24 #include "qemu/option.h"
25 #include "qemu/timer.h"
26 #include "qemu/sockets.h"
27 #include "monitor/monitor-internal.h"
28 #include "monitor/qdev.h"
29 #include "qapi/error.h"
30 #include "qapi/opts-visitor.h"
31 #include "qapi/qapi-builtin-visit.h"
32 #include "qapi/qapi-commands-block.h"
33 #include "qapi/qapi-commands-char.h"
34 #include "qapi/qapi-commands-migration.h"
35 #include "qapi/qapi-commands-misc.h"
36 #include "qapi/qapi-commands-net.h"
37 #include "qapi/qapi-commands-rocker.h"
38 #include "qapi/qapi-commands-run-state.h"
39 #include "qapi/qapi-commands-tpm.h"
40 #include "qapi/qapi-commands-ui.h"
41 #include "qapi/qmp/qdict.h"
42 #include "qapi/qmp/qerror.h"
43 #include "qapi/string-input-visitor.h"
44 #include "qapi/string-output-visitor.h"
45 #include "qom/object_interfaces.h"
46 #include "ui/console.h"
47 #include "block/nbd.h"
48 #include "block/qapi.h"
49 #include "qemu-io.h"
50 #include "qemu/cutils.h"
51 #include "qemu/error-report.h"
52 #include "exec/ramlist.h"
53 #include "hw/intc/intc.h"
54 #include "hw/rdma/rdma.h"
55 #include "migration/snapshot.h"
56 #include "migration/misc.h"
57 
58 #ifdef CONFIG_SPICE
59 #include <spice/enums.h>
60 #endif
61 
62 static void hmp_handle_error(Monitor *mon, Error **errp)
63 {
64     assert(errp);
65     if (*errp) {
66         error_reportf_err(*errp, "Error: ");
67     }
68 }
69 
70 void hmp_info_name(Monitor *mon, const QDict *qdict)
71 {
72     NameInfo *info;
73 
74     info = qmp_query_name(NULL);
75     if (info->has_name) {
76         monitor_printf(mon, "%s\n", info->name);
77     }
78     qapi_free_NameInfo(info);
79 }
80 
81 void hmp_info_version(Monitor *mon, const QDict *qdict)
82 {
83     VersionInfo *info;
84 
85     info = qmp_query_version(NULL);
86 
87     monitor_printf(mon, "%" PRId64 ".%" PRId64 ".%" PRId64 "%s\n",
88                    info->qemu->major, info->qemu->minor, info->qemu->micro,
89                    info->package);
90 
91     qapi_free_VersionInfo(info);
92 }
93 
94 void hmp_info_kvm(Monitor *mon, const QDict *qdict)
95 {
96     KvmInfo *info;
97 
98     info = qmp_query_kvm(NULL);
99     monitor_printf(mon, "kvm support: ");
100     if (info->present) {
101         monitor_printf(mon, "%s\n", info->enabled ? "enabled" : "disabled");
102     } else {
103         monitor_printf(mon, "not compiled\n");
104     }
105 
106     qapi_free_KvmInfo(info);
107 }
108 
109 void hmp_info_status(Monitor *mon, const QDict *qdict)
110 {
111     StatusInfo *info;
112 
113     info = qmp_query_status(NULL);
114 
115     monitor_printf(mon, "VM status: %s%s",
116                    info->running ? "running" : "paused",
117                    info->singlestep ? " (single step mode)" : "");
118 
119     if (!info->running && info->status != RUN_STATE_PAUSED) {
120         monitor_printf(mon, " (%s)", RunState_str(info->status));
121     }
122 
123     monitor_printf(mon, "\n");
124 
125     qapi_free_StatusInfo(info);
126 }
127 
128 void hmp_info_uuid(Monitor *mon, const QDict *qdict)
129 {
130     UuidInfo *info;
131 
132     info = qmp_query_uuid(NULL);
133     monitor_printf(mon, "%s\n", info->UUID);
134     qapi_free_UuidInfo(info);
135 }
136 
137 void hmp_info_chardev(Monitor *mon, const QDict *qdict)
138 {
139     ChardevInfoList *char_info, *info;
140 
141     char_info = qmp_query_chardev(NULL);
142     for (info = char_info; info; info = info->next) {
143         monitor_printf(mon, "%s: filename=%s\n", info->value->label,
144                                                  info->value->filename);
145     }
146 
147     qapi_free_ChardevInfoList(char_info);
148 }
149 
150 void hmp_info_mice(Monitor *mon, const QDict *qdict)
151 {
152     MouseInfoList *mice_list, *mouse;
153 
154     mice_list = qmp_query_mice(NULL);
155     if (!mice_list) {
156         monitor_printf(mon, "No mouse devices connected\n");
157         return;
158     }
159 
160     for (mouse = mice_list; mouse; mouse = mouse->next) {
161         monitor_printf(mon, "%c Mouse #%" PRId64 ": %s%s\n",
162                        mouse->value->current ? '*' : ' ',
163                        mouse->value->index, mouse->value->name,
164                        mouse->value->absolute ? " (absolute)" : "");
165     }
166 
167     qapi_free_MouseInfoList(mice_list);
168 }
169 
170 static char *SocketAddress_to_str(SocketAddress *addr)
171 {
172     switch (addr->type) {
173     case SOCKET_ADDRESS_TYPE_INET:
174         return g_strdup_printf("tcp:%s:%s",
175                                addr->u.inet.host,
176                                addr->u.inet.port);
177     case SOCKET_ADDRESS_TYPE_UNIX:
178         return g_strdup_printf("unix:%s",
179                                addr->u.q_unix.path);
180     case SOCKET_ADDRESS_TYPE_FD:
181         return g_strdup_printf("fd:%s", addr->u.fd.str);
182     case SOCKET_ADDRESS_TYPE_VSOCK:
183         return g_strdup_printf("tcp:%s:%s",
184                                addr->u.vsock.cid,
185                                addr->u.vsock.port);
186     default:
187         return g_strdup("unknown address type");
188     }
189 }
190 
191 void hmp_info_migrate(Monitor *mon, const QDict *qdict)
192 {
193     MigrationInfo *info;
194     MigrationCapabilityStatusList *caps, *cap;
195 
196     info = qmp_query_migrate(NULL);
197     caps = qmp_query_migrate_capabilities(NULL);
198 
199     migration_global_dump(mon);
200 
201     /* do not display parameters during setup */
202     if (info->has_status && caps) {
203         monitor_printf(mon, "capabilities: ");
204         for (cap = caps; cap; cap = cap->next) {
205             monitor_printf(mon, "%s: %s ",
206                            MigrationCapability_str(cap->value->capability),
207                            cap->value->state ? "on" : "off");
208         }
209         monitor_printf(mon, "\n");
210     }
211 
212     if (info->has_status) {
213         monitor_printf(mon, "Migration status: %s",
214                        MigrationStatus_str(info->status));
215         if (info->status == MIGRATION_STATUS_FAILED &&
216             info->has_error_desc) {
217             monitor_printf(mon, " (%s)\n", info->error_desc);
218         } else {
219             monitor_printf(mon, "\n");
220         }
221 
222         monitor_printf(mon, "total time: %" PRIu64 " milliseconds\n",
223                        info->total_time);
224         if (info->has_expected_downtime) {
225             monitor_printf(mon, "expected downtime: %" PRIu64 " milliseconds\n",
226                            info->expected_downtime);
227         }
228         if (info->has_downtime) {
229             monitor_printf(mon, "downtime: %" PRIu64 " milliseconds\n",
230                            info->downtime);
231         }
232         if (info->has_setup_time) {
233             monitor_printf(mon, "setup: %" PRIu64 " milliseconds\n",
234                            info->setup_time);
235         }
236     }
237 
238     if (info->has_ram) {
239         monitor_printf(mon, "transferred ram: %" PRIu64 " kbytes\n",
240                        info->ram->transferred >> 10);
241         monitor_printf(mon, "throughput: %0.2f mbps\n",
242                        info->ram->mbps);
243         monitor_printf(mon, "remaining ram: %" PRIu64 " kbytes\n",
244                        info->ram->remaining >> 10);
245         monitor_printf(mon, "total ram: %" PRIu64 " kbytes\n",
246                        info->ram->total >> 10);
247         monitor_printf(mon, "duplicate: %" PRIu64 " pages\n",
248                        info->ram->duplicate);
249         monitor_printf(mon, "skipped: %" PRIu64 " pages\n",
250                        info->ram->skipped);
251         monitor_printf(mon, "normal: %" PRIu64 " pages\n",
252                        info->ram->normal);
253         monitor_printf(mon, "normal bytes: %" PRIu64 " kbytes\n",
254                        info->ram->normal_bytes >> 10);
255         monitor_printf(mon, "dirty sync count: %" PRIu64 "\n",
256                        info->ram->dirty_sync_count);
257         monitor_printf(mon, "page size: %" PRIu64 " kbytes\n",
258                        info->ram->page_size >> 10);
259         monitor_printf(mon, "multifd bytes: %" PRIu64 " kbytes\n",
260                        info->ram->multifd_bytes >> 10);
261         monitor_printf(mon, "pages-per-second: %" PRIu64 "\n",
262                        info->ram->pages_per_second);
263 
264         if (info->ram->dirty_pages_rate) {
265             monitor_printf(mon, "dirty pages rate: %" PRIu64 " pages\n",
266                            info->ram->dirty_pages_rate);
267         }
268         if (info->ram->postcopy_requests) {
269             monitor_printf(mon, "postcopy request count: %" PRIu64 "\n",
270                            info->ram->postcopy_requests);
271         }
272     }
273 
274     if (info->has_disk) {
275         monitor_printf(mon, "transferred disk: %" PRIu64 " kbytes\n",
276                        info->disk->transferred >> 10);
277         monitor_printf(mon, "remaining disk: %" PRIu64 " kbytes\n",
278                        info->disk->remaining >> 10);
279         monitor_printf(mon, "total disk: %" PRIu64 " kbytes\n",
280                        info->disk->total >> 10);
281     }
282 
283     if (info->has_xbzrle_cache) {
284         monitor_printf(mon, "cache size: %" PRIu64 " bytes\n",
285                        info->xbzrle_cache->cache_size);
286         monitor_printf(mon, "xbzrle transferred: %" PRIu64 " kbytes\n",
287                        info->xbzrle_cache->bytes >> 10);
288         monitor_printf(mon, "xbzrle pages: %" PRIu64 " pages\n",
289                        info->xbzrle_cache->pages);
290         monitor_printf(mon, "xbzrle cache miss: %" PRIu64 "\n",
291                        info->xbzrle_cache->cache_miss);
292         monitor_printf(mon, "xbzrle cache miss rate: %0.2f\n",
293                        info->xbzrle_cache->cache_miss_rate);
294         monitor_printf(mon, "xbzrle overflow : %" PRIu64 "\n",
295                        info->xbzrle_cache->overflow);
296     }
297 
298     if (info->has_compression) {
299         monitor_printf(mon, "compression pages: %" PRIu64 " pages\n",
300                        info->compression->pages);
301         monitor_printf(mon, "compression busy: %" PRIu64 "\n",
302                        info->compression->busy);
303         monitor_printf(mon, "compression busy rate: %0.2f\n",
304                        info->compression->busy_rate);
305         monitor_printf(mon, "compressed size: %" PRIu64 "\n",
306                        info->compression->compressed_size);
307         monitor_printf(mon, "compression rate: %0.2f\n",
308                        info->compression->compression_rate);
309     }
310 
311     if (info->has_cpu_throttle_percentage) {
312         monitor_printf(mon, "cpu throttle percentage: %" PRIu64 "\n",
313                        info->cpu_throttle_percentage);
314     }
315 
316     if (info->has_postcopy_blocktime) {
317         monitor_printf(mon, "postcopy blocktime: %u\n",
318                        info->postcopy_blocktime);
319     }
320 
321     if (info->has_postcopy_vcpu_blocktime) {
322         Visitor *v;
323         char *str;
324         v = string_output_visitor_new(false, &str);
325         visit_type_uint32List(v, NULL, &info->postcopy_vcpu_blocktime, NULL);
326         visit_complete(v, &str);
327         monitor_printf(mon, "postcopy vcpu blocktime: %s\n", str);
328         g_free(str);
329         visit_free(v);
330     }
331     if (info->has_socket_address) {
332         SocketAddressList *addr;
333 
334         monitor_printf(mon, "socket address: [\n");
335 
336         for (addr = info->socket_address; addr; addr = addr->next) {
337             char *s = SocketAddress_to_str(addr->value);
338             monitor_printf(mon, "\t%s\n", s);
339             g_free(s);
340         }
341         monitor_printf(mon, "]\n");
342     }
343     qapi_free_MigrationInfo(info);
344     qapi_free_MigrationCapabilityStatusList(caps);
345 }
346 
347 void hmp_info_migrate_capabilities(Monitor *mon, const QDict *qdict)
348 {
349     MigrationCapabilityStatusList *caps, *cap;
350 
351     caps = qmp_query_migrate_capabilities(NULL);
352 
353     if (caps) {
354         for (cap = caps; cap; cap = cap->next) {
355             monitor_printf(mon, "%s: %s\n",
356                            MigrationCapability_str(cap->value->capability),
357                            cap->value->state ? "on" : "off");
358         }
359     }
360 
361     qapi_free_MigrationCapabilityStatusList(caps);
362 }
363 
364 void hmp_info_migrate_parameters(Monitor *mon, const QDict *qdict)
365 {
366     MigrationParameters *params;
367 
368     params = qmp_query_migrate_parameters(NULL);
369 
370     if (params) {
371         monitor_printf(mon, "%s: %" PRIu64 " ms\n",
372             MigrationParameter_str(MIGRATION_PARAMETER_ANNOUNCE_INITIAL),
373             params->announce_initial);
374         monitor_printf(mon, "%s: %" PRIu64 " ms\n",
375             MigrationParameter_str(MIGRATION_PARAMETER_ANNOUNCE_MAX),
376             params->announce_max);
377         monitor_printf(mon, "%s: %" PRIu64 "\n",
378             MigrationParameter_str(MIGRATION_PARAMETER_ANNOUNCE_ROUNDS),
379             params->announce_rounds);
380         monitor_printf(mon, "%s: %" PRIu64 " ms\n",
381             MigrationParameter_str(MIGRATION_PARAMETER_ANNOUNCE_STEP),
382             params->announce_step);
383         assert(params->has_compress_level);
384         monitor_printf(mon, "%s: %u\n",
385             MigrationParameter_str(MIGRATION_PARAMETER_COMPRESS_LEVEL),
386             params->compress_level);
387         assert(params->has_compress_threads);
388         monitor_printf(mon, "%s: %u\n",
389             MigrationParameter_str(MIGRATION_PARAMETER_COMPRESS_THREADS),
390             params->compress_threads);
391         assert(params->has_compress_wait_thread);
392         monitor_printf(mon, "%s: %s\n",
393             MigrationParameter_str(MIGRATION_PARAMETER_COMPRESS_WAIT_THREAD),
394             params->compress_wait_thread ? "on" : "off");
395         assert(params->has_decompress_threads);
396         monitor_printf(mon, "%s: %u\n",
397             MigrationParameter_str(MIGRATION_PARAMETER_DECOMPRESS_THREADS),
398             params->decompress_threads);
399         assert(params->has_cpu_throttle_initial);
400         monitor_printf(mon, "%s: %u\n",
401             MigrationParameter_str(MIGRATION_PARAMETER_CPU_THROTTLE_INITIAL),
402             params->cpu_throttle_initial);
403         assert(params->has_cpu_throttle_increment);
404         monitor_printf(mon, "%s: %u\n",
405             MigrationParameter_str(MIGRATION_PARAMETER_CPU_THROTTLE_INCREMENT),
406             params->cpu_throttle_increment);
407         assert(params->has_max_cpu_throttle);
408         monitor_printf(mon, "%s: %u\n",
409             MigrationParameter_str(MIGRATION_PARAMETER_MAX_CPU_THROTTLE),
410             params->max_cpu_throttle);
411         assert(params->has_tls_creds);
412         monitor_printf(mon, "%s: '%s'\n",
413             MigrationParameter_str(MIGRATION_PARAMETER_TLS_CREDS),
414             params->tls_creds);
415         assert(params->has_tls_hostname);
416         monitor_printf(mon, "%s: '%s'\n",
417             MigrationParameter_str(MIGRATION_PARAMETER_TLS_HOSTNAME),
418             params->tls_hostname);
419         assert(params->has_max_bandwidth);
420         monitor_printf(mon, "%s: %" PRIu64 " bytes/second\n",
421             MigrationParameter_str(MIGRATION_PARAMETER_MAX_BANDWIDTH),
422             params->max_bandwidth);
423         assert(params->has_downtime_limit);
424         monitor_printf(mon, "%s: %" PRIu64 " milliseconds\n",
425             MigrationParameter_str(MIGRATION_PARAMETER_DOWNTIME_LIMIT),
426             params->downtime_limit);
427         assert(params->has_x_checkpoint_delay);
428         monitor_printf(mon, "%s: %u\n",
429             MigrationParameter_str(MIGRATION_PARAMETER_X_CHECKPOINT_DELAY),
430             params->x_checkpoint_delay);
431         assert(params->has_block_incremental);
432         monitor_printf(mon, "%s: %s\n",
433             MigrationParameter_str(MIGRATION_PARAMETER_BLOCK_INCREMENTAL),
434             params->block_incremental ? "on" : "off");
435         monitor_printf(mon, "%s: %u\n",
436             MigrationParameter_str(MIGRATION_PARAMETER_MULTIFD_CHANNELS),
437             params->multifd_channels);
438         monitor_printf(mon, "%s: %" PRIu64 "\n",
439             MigrationParameter_str(MIGRATION_PARAMETER_XBZRLE_CACHE_SIZE),
440             params->xbzrle_cache_size);
441         monitor_printf(mon, "%s: %" PRIu64 "\n",
442             MigrationParameter_str(MIGRATION_PARAMETER_MAX_POSTCOPY_BANDWIDTH),
443             params->max_postcopy_bandwidth);
444         monitor_printf(mon, " %s: '%s'\n",
445             MigrationParameter_str(MIGRATION_PARAMETER_TLS_AUTHZ),
446             params->has_tls_authz ? params->tls_authz : "");
447     }
448 
449     qapi_free_MigrationParameters(params);
450 }
451 
452 void hmp_info_migrate_cache_size(Monitor *mon, const QDict *qdict)
453 {
454     monitor_printf(mon, "xbzrel cache size: %" PRId64 " kbytes\n",
455                    qmp_query_migrate_cache_size(NULL) >> 10);
456 }
457 
458 void hmp_info_cpus(Monitor *mon, const QDict *qdict)
459 {
460     CpuInfoFastList *cpu_list, *cpu;
461 
462     cpu_list = qmp_query_cpus_fast(NULL);
463 
464     for (cpu = cpu_list; cpu; cpu = cpu->next) {
465         int active = ' ';
466 
467         if (cpu->value->cpu_index == monitor_get_cpu_index()) {
468             active = '*';
469         }
470 
471         monitor_printf(mon, "%c CPU #%" PRId64 ":", active,
472                        cpu->value->cpu_index);
473         monitor_printf(mon, " thread_id=%" PRId64 "\n", cpu->value->thread_id);
474     }
475 
476     qapi_free_CpuInfoFastList(cpu_list);
477 }
478 
479 static void print_block_info(Monitor *mon, BlockInfo *info,
480                              BlockDeviceInfo *inserted, bool verbose)
481 {
482     ImageInfo *image_info;
483 
484     assert(!info || !info->has_inserted || info->inserted == inserted);
485 
486     if (info && *info->device) {
487         monitor_printf(mon, "%s", info->device);
488         if (inserted && inserted->has_node_name) {
489             monitor_printf(mon, " (%s)", inserted->node_name);
490         }
491     } else {
492         assert(info || inserted);
493         monitor_printf(mon, "%s",
494                        inserted && inserted->has_node_name ? inserted->node_name
495                        : info && info->has_qdev ? info->qdev
496                        : "<anonymous>");
497     }
498 
499     if (inserted) {
500         monitor_printf(mon, ": %s (%s%s%s)\n",
501                        inserted->file,
502                        inserted->drv,
503                        inserted->ro ? ", read-only" : "",
504                        inserted->encrypted ? ", encrypted" : "");
505     } else {
506         monitor_printf(mon, ": [not inserted]\n");
507     }
508 
509     if (info) {
510         if (info->has_qdev) {
511             monitor_printf(mon, "    Attached to:      %s\n", info->qdev);
512         }
513         if (info->has_io_status && info->io_status != BLOCK_DEVICE_IO_STATUS_OK) {
514             monitor_printf(mon, "    I/O status:       %s\n",
515                            BlockDeviceIoStatus_str(info->io_status));
516         }
517 
518         if (info->removable) {
519             monitor_printf(mon, "    Removable device: %slocked, tray %s\n",
520                            info->locked ? "" : "not ",
521                            info->tray_open ? "open" : "closed");
522         }
523     }
524 
525 
526     if (!inserted) {
527         return;
528     }
529 
530     monitor_printf(mon, "    Cache mode:       %s%s%s\n",
531                    inserted->cache->writeback ? "writeback" : "writethrough",
532                    inserted->cache->direct ? ", direct" : "",
533                    inserted->cache->no_flush ? ", ignore flushes" : "");
534 
535     if (inserted->has_backing_file) {
536         monitor_printf(mon,
537                        "    Backing file:     %s "
538                        "(chain depth: %" PRId64 ")\n",
539                        inserted->backing_file,
540                        inserted->backing_file_depth);
541     }
542 
543     if (inserted->detect_zeroes != BLOCKDEV_DETECT_ZEROES_OPTIONS_OFF) {
544         monitor_printf(mon, "    Detect zeroes:    %s\n",
545                 BlockdevDetectZeroesOptions_str(inserted->detect_zeroes));
546     }
547 
548     if (inserted->bps  || inserted->bps_rd  || inserted->bps_wr  ||
549         inserted->iops || inserted->iops_rd || inserted->iops_wr)
550     {
551         monitor_printf(mon, "    I/O throttling:   bps=%" PRId64
552                         " bps_rd=%" PRId64  " bps_wr=%" PRId64
553                         " bps_max=%" PRId64
554                         " bps_rd_max=%" PRId64
555                         " bps_wr_max=%" PRId64
556                         " iops=%" PRId64 " iops_rd=%" PRId64
557                         " iops_wr=%" PRId64
558                         " iops_max=%" PRId64
559                         " iops_rd_max=%" PRId64
560                         " iops_wr_max=%" PRId64
561                         " iops_size=%" PRId64
562                         " group=%s\n",
563                         inserted->bps,
564                         inserted->bps_rd,
565                         inserted->bps_wr,
566                         inserted->bps_max,
567                         inserted->bps_rd_max,
568                         inserted->bps_wr_max,
569                         inserted->iops,
570                         inserted->iops_rd,
571                         inserted->iops_wr,
572                         inserted->iops_max,
573                         inserted->iops_rd_max,
574                         inserted->iops_wr_max,
575                         inserted->iops_size,
576                         inserted->group);
577     }
578 
579     if (verbose) {
580         monitor_printf(mon, "\nImages:\n");
581         image_info = inserted->image;
582         while (1) {
583                 bdrv_image_info_dump(image_info);
584             if (image_info->has_backing_image) {
585                 image_info = image_info->backing_image;
586             } else {
587                 break;
588             }
589         }
590     }
591 }
592 
593 void hmp_info_block(Monitor *mon, const QDict *qdict)
594 {
595     BlockInfoList *block_list, *info;
596     BlockDeviceInfoList *blockdev_list, *blockdev;
597     const char *device = qdict_get_try_str(qdict, "device");
598     bool verbose = qdict_get_try_bool(qdict, "verbose", false);
599     bool nodes = qdict_get_try_bool(qdict, "nodes", false);
600     bool printed = false;
601 
602     /* Print BlockBackend information */
603     if (!nodes) {
604         block_list = qmp_query_block(NULL);
605     } else {
606         block_list = NULL;
607     }
608 
609     for (info = block_list; info; info = info->next) {
610         if (device && strcmp(device, info->value->device)) {
611             continue;
612         }
613 
614         if (info != block_list) {
615             monitor_printf(mon, "\n");
616         }
617 
618         print_block_info(mon, info->value, info->value->has_inserted
619                                            ? info->value->inserted : NULL,
620                          verbose);
621         printed = true;
622     }
623 
624     qapi_free_BlockInfoList(block_list);
625 
626     if ((!device && !nodes) || printed) {
627         return;
628     }
629 
630     /* Print node information */
631     blockdev_list = qmp_query_named_block_nodes(NULL);
632     for (blockdev = blockdev_list; blockdev; blockdev = blockdev->next) {
633         assert(blockdev->value->has_node_name);
634         if (device && strcmp(device, blockdev->value->node_name)) {
635             continue;
636         }
637 
638         if (blockdev != blockdev_list) {
639             monitor_printf(mon, "\n");
640         }
641 
642         print_block_info(mon, NULL, blockdev->value, verbose);
643     }
644     qapi_free_BlockDeviceInfoList(blockdev_list);
645 }
646 
647 void hmp_info_blockstats(Monitor *mon, const QDict *qdict)
648 {
649     BlockStatsList *stats_list, *stats;
650 
651     stats_list = qmp_query_blockstats(false, false, NULL);
652 
653     for (stats = stats_list; stats; stats = stats->next) {
654         if (!stats->value->has_device) {
655             continue;
656         }
657 
658         monitor_printf(mon, "%s:", stats->value->device);
659         monitor_printf(mon, " rd_bytes=%" PRId64
660                        " wr_bytes=%" PRId64
661                        " rd_operations=%" PRId64
662                        " wr_operations=%" PRId64
663                        " flush_operations=%" PRId64
664                        " wr_total_time_ns=%" PRId64
665                        " rd_total_time_ns=%" PRId64
666                        " flush_total_time_ns=%" PRId64
667                        " rd_merged=%" PRId64
668                        " wr_merged=%" PRId64
669                        " idle_time_ns=%" PRId64
670                        "\n",
671                        stats->value->stats->rd_bytes,
672                        stats->value->stats->wr_bytes,
673                        stats->value->stats->rd_operations,
674                        stats->value->stats->wr_operations,
675                        stats->value->stats->flush_operations,
676                        stats->value->stats->wr_total_time_ns,
677                        stats->value->stats->rd_total_time_ns,
678                        stats->value->stats->flush_total_time_ns,
679                        stats->value->stats->rd_merged,
680                        stats->value->stats->wr_merged,
681                        stats->value->stats->idle_time_ns);
682     }
683 
684     qapi_free_BlockStatsList(stats_list);
685 }
686 
687 #ifdef CONFIG_VNC
688 /* Helper for hmp_info_vnc_clients, _servers */
689 static void hmp_info_VncBasicInfo(Monitor *mon, VncBasicInfo *info,
690                                   const char *name)
691 {
692     monitor_printf(mon, "  %s: %s:%s (%s%s)\n",
693                    name,
694                    info->host,
695                    info->service,
696                    NetworkAddressFamily_str(info->family),
697                    info->websocket ? " (Websocket)" : "");
698 }
699 
700 /* Helper displaying and auth and crypt info */
701 static void hmp_info_vnc_authcrypt(Monitor *mon, const char *indent,
702                                    VncPrimaryAuth auth,
703                                    VncVencryptSubAuth *vencrypt)
704 {
705     monitor_printf(mon, "%sAuth: %s (Sub: %s)\n", indent,
706                    VncPrimaryAuth_str(auth),
707                    vencrypt ? VncVencryptSubAuth_str(*vencrypt) : "none");
708 }
709 
710 static void hmp_info_vnc_clients(Monitor *mon, VncClientInfoList *client)
711 {
712     while (client) {
713         VncClientInfo *cinfo = client->value;
714 
715         hmp_info_VncBasicInfo(mon, qapi_VncClientInfo_base(cinfo), "Client");
716         monitor_printf(mon, "    x509_dname: %s\n",
717                        cinfo->has_x509_dname ?
718                        cinfo->x509_dname : "none");
719         monitor_printf(mon, "    sasl_username: %s\n",
720                        cinfo->has_sasl_username ?
721                        cinfo->sasl_username : "none");
722 
723         client = client->next;
724     }
725 }
726 
727 static void hmp_info_vnc_servers(Monitor *mon, VncServerInfo2List *server)
728 {
729     while (server) {
730         VncServerInfo2 *sinfo = server->value;
731         hmp_info_VncBasicInfo(mon, qapi_VncServerInfo2_base(sinfo), "Server");
732         hmp_info_vnc_authcrypt(mon, "    ", sinfo->auth,
733                                sinfo->has_vencrypt ? &sinfo->vencrypt : NULL);
734         server = server->next;
735     }
736 }
737 
738 void hmp_info_vnc(Monitor *mon, const QDict *qdict)
739 {
740     VncInfo2List *info2l;
741     Error *err = NULL;
742 
743     info2l = qmp_query_vnc_servers(&err);
744     if (err) {
745         hmp_handle_error(mon, &err);
746         return;
747     }
748     if (!info2l) {
749         monitor_printf(mon, "None\n");
750         return;
751     }
752 
753     while (info2l) {
754         VncInfo2 *info = info2l->value;
755         monitor_printf(mon, "%s:\n", info->id);
756         hmp_info_vnc_servers(mon, info->server);
757         hmp_info_vnc_clients(mon, info->clients);
758         if (!info->server) {
759             /* The server entry displays its auth, we only
760              * need to display in the case of 'reverse' connections
761              * where there's no server.
762              */
763             hmp_info_vnc_authcrypt(mon, "  ", info->auth,
764                                info->has_vencrypt ? &info->vencrypt : NULL);
765         }
766         if (info->has_display) {
767             monitor_printf(mon, "  Display: %s\n", info->display);
768         }
769         info2l = info2l->next;
770     }
771 
772     qapi_free_VncInfo2List(info2l);
773 
774 }
775 #endif
776 
777 #ifdef CONFIG_SPICE
778 void hmp_info_spice(Monitor *mon, const QDict *qdict)
779 {
780     SpiceChannelList *chan;
781     SpiceInfo *info;
782     const char *channel_name;
783     const char * const channel_names[] = {
784         [SPICE_CHANNEL_MAIN] = "main",
785         [SPICE_CHANNEL_DISPLAY] = "display",
786         [SPICE_CHANNEL_INPUTS] = "inputs",
787         [SPICE_CHANNEL_CURSOR] = "cursor",
788         [SPICE_CHANNEL_PLAYBACK] = "playback",
789         [SPICE_CHANNEL_RECORD] = "record",
790         [SPICE_CHANNEL_TUNNEL] = "tunnel",
791         [SPICE_CHANNEL_SMARTCARD] = "smartcard",
792         [SPICE_CHANNEL_USBREDIR] = "usbredir",
793         [SPICE_CHANNEL_PORT] = "port",
794 #if 0
795         /* minimum spice-protocol is 0.12.3, webdav was added in 0.12.7,
796          * no easy way to #ifdef (SPICE_CHANNEL_* is a enum).  Disable
797          * as quick fix for build failures with older versions. */
798         [SPICE_CHANNEL_WEBDAV] = "webdav",
799 #endif
800     };
801 
802     info = qmp_query_spice(NULL);
803 
804     if (!info->enabled) {
805         monitor_printf(mon, "Server: disabled\n");
806         goto out;
807     }
808 
809     monitor_printf(mon, "Server:\n");
810     if (info->has_port) {
811         monitor_printf(mon, "     address: %s:%" PRId64 "\n",
812                        info->host, info->port);
813     }
814     if (info->has_tls_port) {
815         monitor_printf(mon, "     address: %s:%" PRId64 " [tls]\n",
816                        info->host, info->tls_port);
817     }
818     monitor_printf(mon, "    migrated: %s\n",
819                    info->migrated ? "true" : "false");
820     monitor_printf(mon, "        auth: %s\n", info->auth);
821     monitor_printf(mon, "    compiled: %s\n", info->compiled_version);
822     monitor_printf(mon, "  mouse-mode: %s\n",
823                    SpiceQueryMouseMode_str(info->mouse_mode));
824 
825     if (!info->has_channels || info->channels == NULL) {
826         monitor_printf(mon, "Channels: none\n");
827     } else {
828         for (chan = info->channels; chan; chan = chan->next) {
829             monitor_printf(mon, "Channel:\n");
830             monitor_printf(mon, "     address: %s:%s%s\n",
831                            chan->value->host, chan->value->port,
832                            chan->value->tls ? " [tls]" : "");
833             monitor_printf(mon, "     session: %" PRId64 "\n",
834                            chan->value->connection_id);
835             monitor_printf(mon, "     channel: %" PRId64 ":%" PRId64 "\n",
836                            chan->value->channel_type, chan->value->channel_id);
837 
838             channel_name = "unknown";
839             if (chan->value->channel_type > 0 &&
840                 chan->value->channel_type < ARRAY_SIZE(channel_names) &&
841                 channel_names[chan->value->channel_type]) {
842                 channel_name = channel_names[chan->value->channel_type];
843             }
844 
845             monitor_printf(mon, "     channel name: %s\n", channel_name);
846         }
847     }
848 
849 out:
850     qapi_free_SpiceInfo(info);
851 }
852 #endif
853 
854 void hmp_info_balloon(Monitor *mon, const QDict *qdict)
855 {
856     BalloonInfo *info;
857     Error *err = NULL;
858 
859     info = qmp_query_balloon(&err);
860     if (err) {
861         hmp_handle_error(mon, &err);
862         return;
863     }
864 
865     monitor_printf(mon, "balloon: actual=%" PRId64 "\n", info->actual >> 20);
866 
867     qapi_free_BalloonInfo(info);
868 }
869 
870 static void hmp_info_pci_device(Monitor *mon, const PciDeviceInfo *dev)
871 {
872     PciMemoryRegionList *region;
873 
874     monitor_printf(mon, "  Bus %2" PRId64 ", ", dev->bus);
875     monitor_printf(mon, "device %3" PRId64 ", function %" PRId64 ":\n",
876                    dev->slot, dev->function);
877     monitor_printf(mon, "    ");
878 
879     if (dev->class_info->has_desc) {
880         monitor_printf(mon, "%s", dev->class_info->desc);
881     } else {
882         monitor_printf(mon, "Class %04" PRId64, dev->class_info->q_class);
883     }
884 
885     monitor_printf(mon, ": PCI device %04" PRIx64 ":%04" PRIx64 "\n",
886                    dev->id->vendor, dev->id->device);
887     if (dev->id->has_subsystem_vendor && dev->id->has_subsystem) {
888         monitor_printf(mon, "      PCI subsystem %04" PRIx64 ":%04" PRIx64 "\n",
889                        dev->id->subsystem_vendor, dev->id->subsystem);
890     }
891 
892     if (dev->has_irq) {
893         monitor_printf(mon, "      IRQ %" PRId64 ".\n", dev->irq);
894     }
895 
896     if (dev->has_pci_bridge) {
897         monitor_printf(mon, "      BUS %" PRId64 ".\n",
898                        dev->pci_bridge->bus->number);
899         monitor_printf(mon, "      secondary bus %" PRId64 ".\n",
900                        dev->pci_bridge->bus->secondary);
901         monitor_printf(mon, "      subordinate bus %" PRId64 ".\n",
902                        dev->pci_bridge->bus->subordinate);
903 
904         monitor_printf(mon, "      IO range [0x%04"PRIx64", 0x%04"PRIx64"]\n",
905                        dev->pci_bridge->bus->io_range->base,
906                        dev->pci_bridge->bus->io_range->limit);
907 
908         monitor_printf(mon,
909                        "      memory range [0x%08"PRIx64", 0x%08"PRIx64"]\n",
910                        dev->pci_bridge->bus->memory_range->base,
911                        dev->pci_bridge->bus->memory_range->limit);
912 
913         monitor_printf(mon, "      prefetchable memory range "
914                        "[0x%08"PRIx64", 0x%08"PRIx64"]\n",
915                        dev->pci_bridge->bus->prefetchable_range->base,
916                        dev->pci_bridge->bus->prefetchable_range->limit);
917     }
918 
919     for (region = dev->regions; region; region = region->next) {
920         uint64_t addr, size;
921 
922         addr = region->value->address;
923         size = region->value->size;
924 
925         monitor_printf(mon, "      BAR%" PRId64 ": ", region->value->bar);
926 
927         if (!strcmp(region->value->type, "io")) {
928             monitor_printf(mon, "I/O at 0x%04" PRIx64
929                                 " [0x%04" PRIx64 "].\n",
930                            addr, addr + size - 1);
931         } else {
932             monitor_printf(mon, "%d bit%s memory at 0x%08" PRIx64
933                                " [0x%08" PRIx64 "].\n",
934                            region->value->mem_type_64 ? 64 : 32,
935                            region->value->prefetch ? " prefetchable" : "",
936                            addr, addr + size - 1);
937         }
938     }
939 
940     monitor_printf(mon, "      id \"%s\"\n", dev->qdev_id);
941 
942     if (dev->has_pci_bridge) {
943         if (dev->pci_bridge->has_devices) {
944             PciDeviceInfoList *cdev;
945             for (cdev = dev->pci_bridge->devices; cdev; cdev = cdev->next) {
946                 hmp_info_pci_device(mon, cdev->value);
947             }
948         }
949     }
950 }
951 
952 static int hmp_info_irq_foreach(Object *obj, void *opaque)
953 {
954     InterruptStatsProvider *intc;
955     InterruptStatsProviderClass *k;
956     Monitor *mon = opaque;
957 
958     if (object_dynamic_cast(obj, TYPE_INTERRUPT_STATS_PROVIDER)) {
959         intc = INTERRUPT_STATS_PROVIDER(obj);
960         k = INTERRUPT_STATS_PROVIDER_GET_CLASS(obj);
961         uint64_t *irq_counts;
962         unsigned int nb_irqs, i;
963         if (k->get_statistics &&
964             k->get_statistics(intc, &irq_counts, &nb_irqs)) {
965             if (nb_irqs > 0) {
966                 monitor_printf(mon, "IRQ statistics for %s:\n",
967                                object_get_typename(obj));
968                 for (i = 0; i < nb_irqs; i++) {
969                     if (irq_counts[i] > 0) {
970                         monitor_printf(mon, "%2d: %" PRId64 "\n", i,
971                                        irq_counts[i]);
972                     }
973                 }
974             }
975         } else {
976             monitor_printf(mon, "IRQ statistics not available for %s.\n",
977                            object_get_typename(obj));
978         }
979     }
980 
981     return 0;
982 }
983 
984 void hmp_info_irq(Monitor *mon, const QDict *qdict)
985 {
986     object_child_foreach_recursive(object_get_root(),
987                                    hmp_info_irq_foreach, mon);
988 }
989 
990 static int hmp_info_pic_foreach(Object *obj, void *opaque)
991 {
992     InterruptStatsProvider *intc;
993     InterruptStatsProviderClass *k;
994     Monitor *mon = opaque;
995 
996     if (object_dynamic_cast(obj, TYPE_INTERRUPT_STATS_PROVIDER)) {
997         intc = INTERRUPT_STATS_PROVIDER(obj);
998         k = INTERRUPT_STATS_PROVIDER_GET_CLASS(obj);
999         if (k->print_info) {
1000             k->print_info(intc, mon);
1001         } else {
1002             monitor_printf(mon, "Interrupt controller information not available for %s.\n",
1003                            object_get_typename(obj));
1004         }
1005     }
1006 
1007     return 0;
1008 }
1009 
1010 void hmp_info_pic(Monitor *mon, const QDict *qdict)
1011 {
1012     object_child_foreach_recursive(object_get_root(),
1013                                    hmp_info_pic_foreach, mon);
1014 }
1015 
1016 static int hmp_info_rdma_foreach(Object *obj, void *opaque)
1017 {
1018     RdmaProvider *rdma;
1019     RdmaProviderClass *k;
1020     Monitor *mon = opaque;
1021 
1022     if (object_dynamic_cast(obj, INTERFACE_RDMA_PROVIDER)) {
1023         rdma = RDMA_PROVIDER(obj);
1024         k = RDMA_PROVIDER_GET_CLASS(obj);
1025         if (k->print_statistics) {
1026             k->print_statistics(mon, rdma);
1027         } else {
1028             monitor_printf(mon, "RDMA statistics not available for %s.\n",
1029                            object_get_typename(obj));
1030         }
1031     }
1032 
1033     return 0;
1034 }
1035 
1036 void hmp_info_rdma(Monitor *mon, const QDict *qdict)
1037 {
1038     object_child_foreach_recursive(object_get_root(),
1039                                    hmp_info_rdma_foreach, mon);
1040 }
1041 
1042 void hmp_info_pci(Monitor *mon, const QDict *qdict)
1043 {
1044     PciInfoList *info_list, *info;
1045     Error *err = NULL;
1046 
1047     info_list = qmp_query_pci(&err);
1048     if (err) {
1049         monitor_printf(mon, "PCI devices not supported\n");
1050         error_free(err);
1051         return;
1052     }
1053 
1054     for (info = info_list; info; info = info->next) {
1055         PciDeviceInfoList *dev;
1056 
1057         for (dev = info->value->devices; dev; dev = dev->next) {
1058             hmp_info_pci_device(mon, dev->value);
1059         }
1060     }
1061 
1062     qapi_free_PciInfoList(info_list);
1063 }
1064 
1065 void hmp_info_block_jobs(Monitor *mon, const QDict *qdict)
1066 {
1067     BlockJobInfoList *list;
1068     Error *err = NULL;
1069 
1070     list = qmp_query_block_jobs(&err);
1071     assert(!err);
1072 
1073     if (!list) {
1074         monitor_printf(mon, "No active jobs\n");
1075         return;
1076     }
1077 
1078     while (list) {
1079         if (strcmp(list->value->type, "stream") == 0) {
1080             monitor_printf(mon, "Streaming device %s: Completed %" PRId64
1081                            " of %" PRId64 " bytes, speed limit %" PRId64
1082                            " bytes/s\n",
1083                            list->value->device,
1084                            list->value->offset,
1085                            list->value->len,
1086                            list->value->speed);
1087         } else {
1088             monitor_printf(mon, "Type %s, device %s: Completed %" PRId64
1089                            " of %" PRId64 " bytes, speed limit %" PRId64
1090                            " bytes/s\n",
1091                            list->value->type,
1092                            list->value->device,
1093                            list->value->offset,
1094                            list->value->len,
1095                            list->value->speed);
1096         }
1097         list = list->next;
1098     }
1099 
1100     qapi_free_BlockJobInfoList(list);
1101 }
1102 
1103 void hmp_info_tpm(Monitor *mon, const QDict *qdict)
1104 {
1105     TPMInfoList *info_list, *info;
1106     Error *err = NULL;
1107     unsigned int c = 0;
1108     TPMPassthroughOptions *tpo;
1109     TPMEmulatorOptions *teo;
1110 
1111     info_list = qmp_query_tpm(&err);
1112     if (err) {
1113         monitor_printf(mon, "TPM device not supported\n");
1114         error_free(err);
1115         return;
1116     }
1117 
1118     if (info_list) {
1119         monitor_printf(mon, "TPM device:\n");
1120     }
1121 
1122     for (info = info_list; info; info = info->next) {
1123         TPMInfo *ti = info->value;
1124         monitor_printf(mon, " tpm%d: model=%s\n",
1125                        c, TpmModel_str(ti->model));
1126 
1127         monitor_printf(mon, "  \\ %s: type=%s",
1128                        ti->id, TpmTypeOptionsKind_str(ti->options->type));
1129 
1130         switch (ti->options->type) {
1131         case TPM_TYPE_OPTIONS_KIND_PASSTHROUGH:
1132             tpo = ti->options->u.passthrough.data;
1133             monitor_printf(mon, "%s%s%s%s",
1134                            tpo->has_path ? ",path=" : "",
1135                            tpo->has_path ? tpo->path : "",
1136                            tpo->has_cancel_path ? ",cancel-path=" : "",
1137                            tpo->has_cancel_path ? tpo->cancel_path : "");
1138             break;
1139         case TPM_TYPE_OPTIONS_KIND_EMULATOR:
1140             teo = ti->options->u.emulator.data;
1141             monitor_printf(mon, ",chardev=%s", teo->chardev);
1142             break;
1143         case TPM_TYPE_OPTIONS_KIND__MAX:
1144             break;
1145         }
1146         monitor_printf(mon, "\n");
1147         c++;
1148     }
1149     qapi_free_TPMInfoList(info_list);
1150 }
1151 
1152 void hmp_quit(Monitor *mon, const QDict *qdict)
1153 {
1154     monitor_suspend(mon);
1155     qmp_quit(NULL);
1156 }
1157 
1158 void hmp_stop(Monitor *mon, const QDict *qdict)
1159 {
1160     qmp_stop(NULL);
1161 }
1162 
1163 void hmp_sync_profile(Monitor *mon, const QDict *qdict)
1164 {
1165     const char *op = qdict_get_try_str(qdict, "op");
1166 
1167     if (op == NULL) {
1168         bool on = qsp_is_enabled();
1169 
1170         monitor_printf(mon, "sync-profile is %s\n", on ? "on" : "off");
1171         return;
1172     }
1173     if (!strcmp(op, "on")) {
1174         qsp_enable();
1175     } else if (!strcmp(op, "off")) {
1176         qsp_disable();
1177     } else if (!strcmp(op, "reset")) {
1178         qsp_reset();
1179     } else {
1180         Error *err = NULL;
1181 
1182         error_setg(&err, QERR_INVALID_PARAMETER, op);
1183         hmp_handle_error(mon, &err);
1184     }
1185 }
1186 
1187 void hmp_system_reset(Monitor *mon, const QDict *qdict)
1188 {
1189     qmp_system_reset(NULL);
1190 }
1191 
1192 void hmp_system_powerdown(Monitor *mon, const QDict *qdict)
1193 {
1194     qmp_system_powerdown(NULL);
1195 }
1196 
1197 void hmp_exit_preconfig(Monitor *mon, const QDict *qdict)
1198 {
1199     Error *err = NULL;
1200 
1201     qmp_x_exit_preconfig(&err);
1202     hmp_handle_error(mon, &err);
1203 }
1204 
1205 void hmp_cpu(Monitor *mon, const QDict *qdict)
1206 {
1207     int64_t cpu_index;
1208 
1209     /* XXX: drop the monitor_set_cpu() usage when all HMP commands that
1210             use it are converted to the QAPI */
1211     cpu_index = qdict_get_int(qdict, "index");
1212     if (monitor_set_cpu(cpu_index) < 0) {
1213         monitor_printf(mon, "invalid CPU index\n");
1214     }
1215 }
1216 
1217 void hmp_memsave(Monitor *mon, const QDict *qdict)
1218 {
1219     uint32_t size = qdict_get_int(qdict, "size");
1220     const char *filename = qdict_get_str(qdict, "filename");
1221     uint64_t addr = qdict_get_int(qdict, "val");
1222     Error *err = NULL;
1223     int cpu_index = monitor_get_cpu_index();
1224 
1225     if (cpu_index < 0) {
1226         monitor_printf(mon, "No CPU available\n");
1227         return;
1228     }
1229 
1230     qmp_memsave(addr, size, filename, true, cpu_index, &err);
1231     hmp_handle_error(mon, &err);
1232 }
1233 
1234 void hmp_pmemsave(Monitor *mon, const QDict *qdict)
1235 {
1236     uint32_t size = qdict_get_int(qdict, "size");
1237     const char *filename = qdict_get_str(qdict, "filename");
1238     uint64_t addr = qdict_get_int(qdict, "val");
1239     Error *err = NULL;
1240 
1241     qmp_pmemsave(addr, size, filename, &err);
1242     hmp_handle_error(mon, &err);
1243 }
1244 
1245 void hmp_ringbuf_write(Monitor *mon, const QDict *qdict)
1246 {
1247     const char *chardev = qdict_get_str(qdict, "device");
1248     const char *data = qdict_get_str(qdict, "data");
1249     Error *err = NULL;
1250 
1251     qmp_ringbuf_write(chardev, data, false, 0, &err);
1252 
1253     hmp_handle_error(mon, &err);
1254 }
1255 
1256 void hmp_ringbuf_read(Monitor *mon, const QDict *qdict)
1257 {
1258     uint32_t size = qdict_get_int(qdict, "size");
1259     const char *chardev = qdict_get_str(qdict, "device");
1260     char *data;
1261     Error *err = NULL;
1262     int i;
1263 
1264     data = qmp_ringbuf_read(chardev, size, false, 0, &err);
1265     if (err) {
1266         hmp_handle_error(mon, &err);
1267         return;
1268     }
1269 
1270     for (i = 0; data[i]; i++) {
1271         unsigned char ch = data[i];
1272 
1273         if (ch == '\\') {
1274             monitor_printf(mon, "\\\\");
1275         } else if ((ch < 0x20 && ch != '\n' && ch != '\t') || ch == 0x7F) {
1276             monitor_printf(mon, "\\u%04X", ch);
1277         } else {
1278             monitor_printf(mon, "%c", ch);
1279         }
1280 
1281     }
1282     monitor_printf(mon, "\n");
1283     g_free(data);
1284 }
1285 
1286 void hmp_cont(Monitor *mon, const QDict *qdict)
1287 {
1288     Error *err = NULL;
1289 
1290     qmp_cont(&err);
1291     hmp_handle_error(mon, &err);
1292 }
1293 
1294 void hmp_system_wakeup(Monitor *mon, const QDict *qdict)
1295 {
1296     Error *err = NULL;
1297 
1298     qmp_system_wakeup(&err);
1299     hmp_handle_error(mon, &err);
1300 }
1301 
1302 void hmp_nmi(Monitor *mon, const QDict *qdict)
1303 {
1304     Error *err = NULL;
1305 
1306     qmp_inject_nmi(&err);
1307     hmp_handle_error(mon, &err);
1308 }
1309 
1310 void hmp_set_link(Monitor *mon, const QDict *qdict)
1311 {
1312     const char *name = qdict_get_str(qdict, "name");
1313     bool up = qdict_get_bool(qdict, "up");
1314     Error *err = NULL;
1315 
1316     qmp_set_link(name, up, &err);
1317     hmp_handle_error(mon, &err);
1318 }
1319 
1320 void hmp_block_passwd(Monitor *mon, const QDict *qdict)
1321 {
1322     const char *device = qdict_get_str(qdict, "device");
1323     const char *password = qdict_get_str(qdict, "password");
1324     Error *err = NULL;
1325 
1326     qmp_block_passwd(true, device, false, NULL, password, &err);
1327     hmp_handle_error(mon, &err);
1328 }
1329 
1330 void hmp_balloon(Monitor *mon, const QDict *qdict)
1331 {
1332     int64_t value = qdict_get_int(qdict, "value");
1333     Error *err = NULL;
1334 
1335     qmp_balloon(value, &err);
1336     hmp_handle_error(mon, &err);
1337 }
1338 
1339 void hmp_block_resize(Monitor *mon, const QDict *qdict)
1340 {
1341     const char *device = qdict_get_str(qdict, "device");
1342     int64_t size = qdict_get_int(qdict, "size");
1343     Error *err = NULL;
1344 
1345     qmp_block_resize(true, device, false, NULL, size, &err);
1346     hmp_handle_error(mon, &err);
1347 }
1348 
1349 void hmp_drive_mirror(Monitor *mon, const QDict *qdict)
1350 {
1351     const char *filename = qdict_get_str(qdict, "target");
1352     const char *format = qdict_get_try_str(qdict, "format");
1353     bool reuse = qdict_get_try_bool(qdict, "reuse", false);
1354     bool full = qdict_get_try_bool(qdict, "full", false);
1355     Error *err = NULL;
1356     DriveMirror mirror = {
1357         .device = (char *)qdict_get_str(qdict, "device"),
1358         .target = (char *)filename,
1359         .has_format = !!format,
1360         .format = (char *)format,
1361         .sync = full ? MIRROR_SYNC_MODE_FULL : MIRROR_SYNC_MODE_TOP,
1362         .has_mode = true,
1363         .mode = reuse ? NEW_IMAGE_MODE_EXISTING : NEW_IMAGE_MODE_ABSOLUTE_PATHS,
1364         .unmap = true,
1365     };
1366 
1367     if (!filename) {
1368         error_setg(&err, QERR_MISSING_PARAMETER, "target");
1369         hmp_handle_error(mon, &err);
1370         return;
1371     }
1372     qmp_drive_mirror(&mirror, &err);
1373     hmp_handle_error(mon, &err);
1374 }
1375 
1376 void hmp_drive_backup(Monitor *mon, const QDict *qdict)
1377 {
1378     const char *device = qdict_get_str(qdict, "device");
1379     const char *filename = qdict_get_str(qdict, "target");
1380     const char *format = qdict_get_try_str(qdict, "format");
1381     bool reuse = qdict_get_try_bool(qdict, "reuse", false);
1382     bool full = qdict_get_try_bool(qdict, "full", false);
1383     bool compress = qdict_get_try_bool(qdict, "compress", false);
1384     Error *err = NULL;
1385     DriveBackup backup = {
1386         .device = (char *)device,
1387         .target = (char *)filename,
1388         .has_format = !!format,
1389         .format = (char *)format,
1390         .sync = full ? MIRROR_SYNC_MODE_FULL : MIRROR_SYNC_MODE_TOP,
1391         .has_mode = true,
1392         .mode = reuse ? NEW_IMAGE_MODE_EXISTING : NEW_IMAGE_MODE_ABSOLUTE_PATHS,
1393         .has_compress = !!compress,
1394         .compress = compress,
1395     };
1396 
1397     if (!filename) {
1398         error_setg(&err, QERR_MISSING_PARAMETER, "target");
1399         hmp_handle_error(mon, &err);
1400         return;
1401     }
1402 
1403     qmp_drive_backup(&backup, &err);
1404     hmp_handle_error(mon, &err);
1405 }
1406 
1407 void hmp_snapshot_blkdev(Monitor *mon, const QDict *qdict)
1408 {
1409     const char *device = qdict_get_str(qdict, "device");
1410     const char *filename = qdict_get_try_str(qdict, "snapshot-file");
1411     const char *format = qdict_get_try_str(qdict, "format");
1412     bool reuse = qdict_get_try_bool(qdict, "reuse", false);
1413     enum NewImageMode mode;
1414     Error *err = NULL;
1415 
1416     if (!filename) {
1417         /* In the future, if 'snapshot-file' is not specified, the snapshot
1418            will be taken internally. Today it's actually required. */
1419         error_setg(&err, QERR_MISSING_PARAMETER, "snapshot-file");
1420         hmp_handle_error(mon, &err);
1421         return;
1422     }
1423 
1424     mode = reuse ? NEW_IMAGE_MODE_EXISTING : NEW_IMAGE_MODE_ABSOLUTE_PATHS;
1425     qmp_blockdev_snapshot_sync(true, device, false, NULL,
1426                                filename, false, NULL,
1427                                !!format, format,
1428                                true, mode, &err);
1429     hmp_handle_error(mon, &err);
1430 }
1431 
1432 void hmp_snapshot_blkdev_internal(Monitor *mon, const QDict *qdict)
1433 {
1434     const char *device = qdict_get_str(qdict, "device");
1435     const char *name = qdict_get_str(qdict, "name");
1436     Error *err = NULL;
1437 
1438     qmp_blockdev_snapshot_internal_sync(device, name, &err);
1439     hmp_handle_error(mon, &err);
1440 }
1441 
1442 void hmp_snapshot_delete_blkdev_internal(Monitor *mon, const QDict *qdict)
1443 {
1444     const char *device = qdict_get_str(qdict, "device");
1445     const char *name = qdict_get_str(qdict, "name");
1446     const char *id = qdict_get_try_str(qdict, "id");
1447     Error *err = NULL;
1448 
1449     qmp_blockdev_snapshot_delete_internal_sync(device, !!id, id,
1450                                                true, name, &err);
1451     hmp_handle_error(mon, &err);
1452 }
1453 
1454 void hmp_loadvm(Monitor *mon, const QDict *qdict)
1455 {
1456     int saved_vm_running  = runstate_is_running();
1457     const char *name = qdict_get_str(qdict, "name");
1458     Error *err = NULL;
1459 
1460     vm_stop(RUN_STATE_RESTORE_VM);
1461 
1462     if (load_snapshot(name, &err) == 0 && saved_vm_running) {
1463         vm_start();
1464     }
1465     hmp_handle_error(mon, &err);
1466 }
1467 
1468 void hmp_savevm(Monitor *mon, const QDict *qdict)
1469 {
1470     Error *err = NULL;
1471 
1472     save_snapshot(qdict_get_try_str(qdict, "name"), &err);
1473     hmp_handle_error(mon, &err);
1474 }
1475 
1476 void hmp_delvm(Monitor *mon, const QDict *qdict)
1477 {
1478     BlockDriverState *bs;
1479     Error *err = NULL;
1480     const char *name = qdict_get_str(qdict, "name");
1481 
1482     if (bdrv_all_delete_snapshot(name, &bs, &err) < 0) {
1483         error_prepend(&err,
1484                       "deleting snapshot on device '%s': ",
1485                       bdrv_get_device_name(bs));
1486     }
1487     hmp_handle_error(mon, &err);
1488 }
1489 
1490 void hmp_info_snapshots(Monitor *mon, const QDict *qdict)
1491 {
1492     BlockDriverState *bs, *bs1;
1493     BdrvNextIterator it1;
1494     QEMUSnapshotInfo *sn_tab, *sn;
1495     bool no_snapshot = true;
1496     int nb_sns, i;
1497     int total;
1498     int *global_snapshots;
1499     AioContext *aio_context;
1500 
1501     typedef struct SnapshotEntry {
1502         QEMUSnapshotInfo sn;
1503         QTAILQ_ENTRY(SnapshotEntry) next;
1504     } SnapshotEntry;
1505 
1506     typedef struct ImageEntry {
1507         const char *imagename;
1508         QTAILQ_ENTRY(ImageEntry) next;
1509         QTAILQ_HEAD(, SnapshotEntry) snapshots;
1510     } ImageEntry;
1511 
1512     QTAILQ_HEAD(, ImageEntry) image_list =
1513         QTAILQ_HEAD_INITIALIZER(image_list);
1514 
1515     ImageEntry *image_entry, *next_ie;
1516     SnapshotEntry *snapshot_entry;
1517 
1518     bs = bdrv_all_find_vmstate_bs();
1519     if (!bs) {
1520         monitor_printf(mon, "No available block device supports snapshots\n");
1521         return;
1522     }
1523     aio_context = bdrv_get_aio_context(bs);
1524 
1525     aio_context_acquire(aio_context);
1526     nb_sns = bdrv_snapshot_list(bs, &sn_tab);
1527     aio_context_release(aio_context);
1528 
1529     if (nb_sns < 0) {
1530         monitor_printf(mon, "bdrv_snapshot_list: error %d\n", nb_sns);
1531         return;
1532     }
1533 
1534     for (bs1 = bdrv_first(&it1); bs1; bs1 = bdrv_next(&it1)) {
1535         int bs1_nb_sns = 0;
1536         ImageEntry *ie;
1537         SnapshotEntry *se;
1538         AioContext *ctx = bdrv_get_aio_context(bs1);
1539 
1540         aio_context_acquire(ctx);
1541         if (bdrv_can_snapshot(bs1)) {
1542             sn = NULL;
1543             bs1_nb_sns = bdrv_snapshot_list(bs1, &sn);
1544             if (bs1_nb_sns > 0) {
1545                 no_snapshot = false;
1546                 ie = g_new0(ImageEntry, 1);
1547                 ie->imagename = bdrv_get_device_name(bs1);
1548                 QTAILQ_INIT(&ie->snapshots);
1549                 QTAILQ_INSERT_TAIL(&image_list, ie, next);
1550                 for (i = 0; i < bs1_nb_sns; i++) {
1551                     se = g_new0(SnapshotEntry, 1);
1552                     se->sn = sn[i];
1553                     QTAILQ_INSERT_TAIL(&ie->snapshots, se, next);
1554                 }
1555             }
1556             g_free(sn);
1557         }
1558         aio_context_release(ctx);
1559     }
1560 
1561     if (no_snapshot) {
1562         monitor_printf(mon, "There is no snapshot available.\n");
1563         return;
1564     }
1565 
1566     global_snapshots = g_new0(int, nb_sns);
1567     total = 0;
1568     for (i = 0; i < nb_sns; i++) {
1569         SnapshotEntry *next_sn;
1570         if (bdrv_all_find_snapshot(sn_tab[i].name, &bs1) == 0) {
1571             global_snapshots[total] = i;
1572             total++;
1573             QTAILQ_FOREACH(image_entry, &image_list, next) {
1574                 QTAILQ_FOREACH_SAFE(snapshot_entry, &image_entry->snapshots,
1575                                     next, next_sn) {
1576                     if (!strcmp(sn_tab[i].name, snapshot_entry->sn.name)) {
1577                         QTAILQ_REMOVE(&image_entry->snapshots, snapshot_entry,
1578                                       next);
1579                         g_free(snapshot_entry);
1580                     }
1581                 }
1582             }
1583         }
1584     }
1585 
1586     monitor_printf(mon, "List of snapshots present on all disks:\n");
1587 
1588     if (total > 0) {
1589         bdrv_snapshot_dump(NULL);
1590         monitor_printf(mon, "\n");
1591         for (i = 0; i < total; i++) {
1592             sn = &sn_tab[global_snapshots[i]];
1593             /* The ID is not guaranteed to be the same on all images, so
1594              * overwrite it.
1595              */
1596             pstrcpy(sn->id_str, sizeof(sn->id_str), "--");
1597             bdrv_snapshot_dump(sn);
1598             monitor_printf(mon, "\n");
1599         }
1600     } else {
1601         monitor_printf(mon, "None\n");
1602     }
1603 
1604     QTAILQ_FOREACH(image_entry, &image_list, next) {
1605         if (QTAILQ_EMPTY(&image_entry->snapshots)) {
1606             continue;
1607         }
1608         monitor_printf(mon,
1609                        "\nList of partial (non-loadable) snapshots on '%s':\n",
1610                        image_entry->imagename);
1611         bdrv_snapshot_dump(NULL);
1612         monitor_printf(mon, "\n");
1613         QTAILQ_FOREACH(snapshot_entry, &image_entry->snapshots, next) {
1614             bdrv_snapshot_dump(&snapshot_entry->sn);
1615             monitor_printf(mon, "\n");
1616         }
1617     }
1618 
1619     QTAILQ_FOREACH_SAFE(image_entry, &image_list, next, next_ie) {
1620         SnapshotEntry *next_sn;
1621         QTAILQ_FOREACH_SAFE(snapshot_entry, &image_entry->snapshots, next,
1622                             next_sn) {
1623             g_free(snapshot_entry);
1624         }
1625         g_free(image_entry);
1626     }
1627     g_free(sn_tab);
1628     g_free(global_snapshots);
1629 
1630 }
1631 
1632 void hmp_announce_self(Monitor *mon, const QDict *qdict)
1633 {
1634     qmp_announce_self(migrate_announce_params(), NULL);
1635 }
1636 
1637 void hmp_migrate_cancel(Monitor *mon, const QDict *qdict)
1638 {
1639     qmp_migrate_cancel(NULL);
1640 }
1641 
1642 void hmp_migrate_continue(Monitor *mon, const QDict *qdict)
1643 {
1644     Error *err = NULL;
1645     const char *state = qdict_get_str(qdict, "state");
1646     int val = qapi_enum_parse(&MigrationStatus_lookup, state, -1, &err);
1647 
1648     if (val >= 0) {
1649         qmp_migrate_continue(val, &err);
1650     }
1651 
1652     hmp_handle_error(mon, &err);
1653 }
1654 
1655 void hmp_migrate_incoming(Monitor *mon, const QDict *qdict)
1656 {
1657     Error *err = NULL;
1658     const char *uri = qdict_get_str(qdict, "uri");
1659 
1660     qmp_migrate_incoming(uri, &err);
1661 
1662     hmp_handle_error(mon, &err);
1663 }
1664 
1665 void hmp_migrate_recover(Monitor *mon, const QDict *qdict)
1666 {
1667     Error *err = NULL;
1668     const char *uri = qdict_get_str(qdict, "uri");
1669 
1670     qmp_migrate_recover(uri, &err);
1671 
1672     hmp_handle_error(mon, &err);
1673 }
1674 
1675 void hmp_migrate_pause(Monitor *mon, const QDict *qdict)
1676 {
1677     Error *err = NULL;
1678 
1679     qmp_migrate_pause(&err);
1680 
1681     hmp_handle_error(mon, &err);
1682 }
1683 
1684 /* Kept for backwards compatibility */
1685 void hmp_migrate_set_downtime(Monitor *mon, const QDict *qdict)
1686 {
1687     double value = qdict_get_double(qdict, "value");
1688     qmp_migrate_set_downtime(value, NULL);
1689 }
1690 
1691 void hmp_migrate_set_cache_size(Monitor *mon, const QDict *qdict)
1692 {
1693     int64_t value = qdict_get_int(qdict, "value");
1694     Error *err = NULL;
1695 
1696     qmp_migrate_set_cache_size(value, &err);
1697     hmp_handle_error(mon, &err);
1698 }
1699 
1700 /* Kept for backwards compatibility */
1701 void hmp_migrate_set_speed(Monitor *mon, const QDict *qdict)
1702 {
1703     int64_t value = qdict_get_int(qdict, "value");
1704     qmp_migrate_set_speed(value, NULL);
1705 }
1706 
1707 void hmp_migrate_set_capability(Monitor *mon, const QDict *qdict)
1708 {
1709     const char *cap = qdict_get_str(qdict, "capability");
1710     bool state = qdict_get_bool(qdict, "state");
1711     Error *err = NULL;
1712     MigrationCapabilityStatusList *caps = g_malloc0(sizeof(*caps));
1713     int val;
1714 
1715     val = qapi_enum_parse(&MigrationCapability_lookup, cap, -1, &err);
1716     if (val < 0) {
1717         goto end;
1718     }
1719 
1720     caps->value = g_malloc0(sizeof(*caps->value));
1721     caps->value->capability = val;
1722     caps->value->state = state;
1723     caps->next = NULL;
1724     qmp_migrate_set_capabilities(caps, &err);
1725 
1726 end:
1727     qapi_free_MigrationCapabilityStatusList(caps);
1728     hmp_handle_error(mon, &err);
1729 }
1730 
1731 void hmp_migrate_set_parameter(Monitor *mon, const QDict *qdict)
1732 {
1733     const char *param = qdict_get_str(qdict, "parameter");
1734     const char *valuestr = qdict_get_str(qdict, "value");
1735     Visitor *v = string_input_visitor_new(valuestr);
1736     MigrateSetParameters *p = g_new0(MigrateSetParameters, 1);
1737     uint64_t valuebw = 0;
1738     uint64_t cache_size;
1739     Error *err = NULL;
1740     int val, ret;
1741 
1742     val = qapi_enum_parse(&MigrationParameter_lookup, param, -1, &err);
1743     if (val < 0) {
1744         goto cleanup;
1745     }
1746 
1747     switch (val) {
1748     case MIGRATION_PARAMETER_COMPRESS_LEVEL:
1749         p->has_compress_level = true;
1750         visit_type_int(v, param, &p->compress_level, &err);
1751         break;
1752     case MIGRATION_PARAMETER_COMPRESS_THREADS:
1753         p->has_compress_threads = true;
1754         visit_type_int(v, param, &p->compress_threads, &err);
1755         break;
1756     case MIGRATION_PARAMETER_COMPRESS_WAIT_THREAD:
1757         p->has_compress_wait_thread = true;
1758         visit_type_bool(v, param, &p->compress_wait_thread, &err);
1759         break;
1760     case MIGRATION_PARAMETER_DECOMPRESS_THREADS:
1761         p->has_decompress_threads = true;
1762         visit_type_int(v, param, &p->decompress_threads, &err);
1763         break;
1764     case MIGRATION_PARAMETER_CPU_THROTTLE_INITIAL:
1765         p->has_cpu_throttle_initial = true;
1766         visit_type_int(v, param, &p->cpu_throttle_initial, &err);
1767         break;
1768     case MIGRATION_PARAMETER_CPU_THROTTLE_INCREMENT:
1769         p->has_cpu_throttle_increment = true;
1770         visit_type_int(v, param, &p->cpu_throttle_increment, &err);
1771         break;
1772     case MIGRATION_PARAMETER_MAX_CPU_THROTTLE:
1773         p->has_max_cpu_throttle = true;
1774         visit_type_int(v, param, &p->max_cpu_throttle, &err);
1775         break;
1776     case MIGRATION_PARAMETER_TLS_CREDS:
1777         p->has_tls_creds = true;
1778         p->tls_creds = g_new0(StrOrNull, 1);
1779         p->tls_creds->type = QTYPE_QSTRING;
1780         visit_type_str(v, param, &p->tls_creds->u.s, &err);
1781         break;
1782     case MIGRATION_PARAMETER_TLS_HOSTNAME:
1783         p->has_tls_hostname = true;
1784         p->tls_hostname = g_new0(StrOrNull, 1);
1785         p->tls_hostname->type = QTYPE_QSTRING;
1786         visit_type_str(v, param, &p->tls_hostname->u.s, &err);
1787         break;
1788     case MIGRATION_PARAMETER_TLS_AUTHZ:
1789         p->has_tls_authz = true;
1790         p->tls_authz = g_new0(StrOrNull, 1);
1791         p->tls_authz->type = QTYPE_QSTRING;
1792         visit_type_str(v, param, &p->tls_authz->u.s, &err);
1793         break;
1794     case MIGRATION_PARAMETER_MAX_BANDWIDTH:
1795         p->has_max_bandwidth = true;
1796         /*
1797          * Can't use visit_type_size() here, because it
1798          * defaults to Bytes rather than Mebibytes.
1799          */
1800         ret = qemu_strtosz_MiB(valuestr, NULL, &valuebw);
1801         if (ret < 0 || valuebw > INT64_MAX
1802             || (size_t)valuebw != valuebw) {
1803             error_setg(&err, "Invalid size %s", valuestr);
1804             break;
1805         }
1806         p->max_bandwidth = valuebw;
1807         break;
1808     case MIGRATION_PARAMETER_DOWNTIME_LIMIT:
1809         p->has_downtime_limit = true;
1810         visit_type_int(v, param, &p->downtime_limit, &err);
1811         break;
1812     case MIGRATION_PARAMETER_X_CHECKPOINT_DELAY:
1813         p->has_x_checkpoint_delay = true;
1814         visit_type_int(v, param, &p->x_checkpoint_delay, &err);
1815         break;
1816     case MIGRATION_PARAMETER_BLOCK_INCREMENTAL:
1817         p->has_block_incremental = true;
1818         visit_type_bool(v, param, &p->block_incremental, &err);
1819         break;
1820     case MIGRATION_PARAMETER_MULTIFD_CHANNELS:
1821         p->has_multifd_channels = true;
1822         visit_type_int(v, param, &p->multifd_channels, &err);
1823         break;
1824     case MIGRATION_PARAMETER_XBZRLE_CACHE_SIZE:
1825         p->has_xbzrle_cache_size = true;
1826         visit_type_size(v, param, &cache_size, &err);
1827         if (err) {
1828             break;
1829         }
1830         if (cache_size > INT64_MAX || (size_t)cache_size != cache_size) {
1831             error_setg(&err, "Invalid size %s", valuestr);
1832             break;
1833         }
1834         p->xbzrle_cache_size = cache_size;
1835         break;
1836     case MIGRATION_PARAMETER_MAX_POSTCOPY_BANDWIDTH:
1837         p->has_max_postcopy_bandwidth = true;
1838         visit_type_size(v, param, &p->max_postcopy_bandwidth, &err);
1839         break;
1840     case MIGRATION_PARAMETER_ANNOUNCE_INITIAL:
1841         p->has_announce_initial = true;
1842         visit_type_size(v, param, &p->announce_initial, &err);
1843         break;
1844     case MIGRATION_PARAMETER_ANNOUNCE_MAX:
1845         p->has_announce_max = true;
1846         visit_type_size(v, param, &p->announce_max, &err);
1847         break;
1848     case MIGRATION_PARAMETER_ANNOUNCE_ROUNDS:
1849         p->has_announce_rounds = true;
1850         visit_type_size(v, param, &p->announce_rounds, &err);
1851         break;
1852     case MIGRATION_PARAMETER_ANNOUNCE_STEP:
1853         p->has_announce_step = true;
1854         visit_type_size(v, param, &p->announce_step, &err);
1855         break;
1856     default:
1857         assert(0);
1858     }
1859 
1860     if (err) {
1861         goto cleanup;
1862     }
1863 
1864     qmp_migrate_set_parameters(p, &err);
1865 
1866  cleanup:
1867     qapi_free_MigrateSetParameters(p);
1868     visit_free(v);
1869     hmp_handle_error(mon, &err);
1870 }
1871 
1872 void hmp_client_migrate_info(Monitor *mon, const QDict *qdict)
1873 {
1874     Error *err = NULL;
1875     const char *protocol = qdict_get_str(qdict, "protocol");
1876     const char *hostname = qdict_get_str(qdict, "hostname");
1877     bool has_port        = qdict_haskey(qdict, "port");
1878     int port             = qdict_get_try_int(qdict, "port", -1);
1879     bool has_tls_port    = qdict_haskey(qdict, "tls-port");
1880     int tls_port         = qdict_get_try_int(qdict, "tls-port", -1);
1881     const char *cert_subject = qdict_get_try_str(qdict, "cert-subject");
1882 
1883     qmp_client_migrate_info(protocol, hostname,
1884                             has_port, port, has_tls_port, tls_port,
1885                             !!cert_subject, cert_subject, &err);
1886     hmp_handle_error(mon, &err);
1887 }
1888 
1889 void hmp_migrate_start_postcopy(Monitor *mon, const QDict *qdict)
1890 {
1891     Error *err = NULL;
1892     qmp_migrate_start_postcopy(&err);
1893     hmp_handle_error(mon, &err);
1894 }
1895 
1896 void hmp_x_colo_lost_heartbeat(Monitor *mon, const QDict *qdict)
1897 {
1898     Error *err = NULL;
1899 
1900     qmp_x_colo_lost_heartbeat(&err);
1901     hmp_handle_error(mon, &err);
1902 }
1903 
1904 void hmp_set_password(Monitor *mon, const QDict *qdict)
1905 {
1906     const char *protocol  = qdict_get_str(qdict, "protocol");
1907     const char *password  = qdict_get_str(qdict, "password");
1908     const char *connected = qdict_get_try_str(qdict, "connected");
1909     Error *err = NULL;
1910 
1911     qmp_set_password(protocol, password, !!connected, connected, &err);
1912     hmp_handle_error(mon, &err);
1913 }
1914 
1915 void hmp_expire_password(Monitor *mon, const QDict *qdict)
1916 {
1917     const char *protocol  = qdict_get_str(qdict, "protocol");
1918     const char *whenstr = qdict_get_str(qdict, "time");
1919     Error *err = NULL;
1920 
1921     qmp_expire_password(protocol, whenstr, &err);
1922     hmp_handle_error(mon, &err);
1923 }
1924 
1925 void hmp_eject(Monitor *mon, const QDict *qdict)
1926 {
1927     bool force = qdict_get_try_bool(qdict, "force", false);
1928     const char *device = qdict_get_str(qdict, "device");
1929     Error *err = NULL;
1930 
1931     qmp_eject(true, device, false, NULL, true, force, &err);
1932     hmp_handle_error(mon, &err);
1933 }
1934 
1935 #ifdef CONFIG_VNC
1936 static void hmp_change_read_arg(void *opaque, const char *password,
1937                                 void *readline_opaque)
1938 {
1939     qmp_change_vnc_password(password, NULL);
1940     monitor_read_command(opaque, 1);
1941 }
1942 #endif
1943 
1944 void hmp_change(Monitor *mon, const QDict *qdict)
1945 {
1946     MonitorHMP *hmp_mon = container_of(mon, MonitorHMP, common);
1947     const char *device = qdict_get_str(qdict, "device");
1948     const char *target = qdict_get_str(qdict, "target");
1949     const char *arg = qdict_get_try_str(qdict, "arg");
1950     const char *read_only = qdict_get_try_str(qdict, "read-only-mode");
1951     BlockdevChangeReadOnlyMode read_only_mode = 0;
1952     Error *err = NULL;
1953 
1954 #ifdef CONFIG_VNC
1955     if (strcmp(device, "vnc") == 0) {
1956         if (read_only) {
1957             monitor_printf(mon,
1958                            "Parameter 'read-only-mode' is invalid for VNC\n");
1959             return;
1960         }
1961         if (strcmp(target, "passwd") == 0 ||
1962             strcmp(target, "password") == 0) {
1963             if (!arg) {
1964                 monitor_read_password(hmp_mon, hmp_change_read_arg, NULL);
1965                 return;
1966             }
1967         }
1968         qmp_change("vnc", target, !!arg, arg, &err);
1969     } else
1970 #endif
1971     {
1972         if (read_only) {
1973             read_only_mode =
1974                 qapi_enum_parse(&BlockdevChangeReadOnlyMode_lookup,
1975                                 read_only,
1976                                 BLOCKDEV_CHANGE_READ_ONLY_MODE_RETAIN, &err);
1977             if (err) {
1978                 hmp_handle_error(mon, &err);
1979                 return;
1980             }
1981         }
1982 
1983         qmp_blockdev_change_medium(true, device, false, NULL, target,
1984                                    !!arg, arg, !!read_only, read_only_mode,
1985                                    &err);
1986     }
1987 
1988     hmp_handle_error(mon, &err);
1989 }
1990 
1991 void hmp_block_set_io_throttle(Monitor *mon, const QDict *qdict)
1992 {
1993     Error *err = NULL;
1994     char *device = (char *) qdict_get_str(qdict, "device");
1995     BlockIOThrottle throttle = {
1996         .bps = qdict_get_int(qdict, "bps"),
1997         .bps_rd = qdict_get_int(qdict, "bps_rd"),
1998         .bps_wr = qdict_get_int(qdict, "bps_wr"),
1999         .iops = qdict_get_int(qdict, "iops"),
2000         .iops_rd = qdict_get_int(qdict, "iops_rd"),
2001         .iops_wr = qdict_get_int(qdict, "iops_wr"),
2002     };
2003 
2004     /* qmp_block_set_io_throttle has separate parameters for the
2005      * (deprecated) block device name and the qdev ID but the HMP
2006      * version has only one, so we must decide which one to pass. */
2007     if (blk_by_name(device)) {
2008         throttle.has_device = true;
2009         throttle.device = device;
2010     } else {
2011         throttle.has_id = true;
2012         throttle.id = device;
2013     }
2014 
2015     qmp_block_set_io_throttle(&throttle, &err);
2016     hmp_handle_error(mon, &err);
2017 }
2018 
2019 void hmp_block_stream(Monitor *mon, const QDict *qdict)
2020 {
2021     Error *error = NULL;
2022     const char *device = qdict_get_str(qdict, "device");
2023     const char *base = qdict_get_try_str(qdict, "base");
2024     int64_t speed = qdict_get_try_int(qdict, "speed", 0);
2025 
2026     qmp_block_stream(true, device, device, base != NULL, base, false, NULL,
2027                      false, NULL, qdict_haskey(qdict, "speed"), speed, true,
2028                      BLOCKDEV_ON_ERROR_REPORT, false, false, false, false,
2029                      &error);
2030 
2031     hmp_handle_error(mon, &error);
2032 }
2033 
2034 void hmp_block_job_set_speed(Monitor *mon, const QDict *qdict)
2035 {
2036     Error *error = NULL;
2037     const char *device = qdict_get_str(qdict, "device");
2038     int64_t value = qdict_get_int(qdict, "speed");
2039 
2040     qmp_block_job_set_speed(device, value, &error);
2041 
2042     hmp_handle_error(mon, &error);
2043 }
2044 
2045 void hmp_block_job_cancel(Monitor *mon, const QDict *qdict)
2046 {
2047     Error *error = NULL;
2048     const char *device = qdict_get_str(qdict, "device");
2049     bool force = qdict_get_try_bool(qdict, "force", false);
2050 
2051     qmp_block_job_cancel(device, true, force, &error);
2052 
2053     hmp_handle_error(mon, &error);
2054 }
2055 
2056 void hmp_block_job_pause(Monitor *mon, const QDict *qdict)
2057 {
2058     Error *error = NULL;
2059     const char *device = qdict_get_str(qdict, "device");
2060 
2061     qmp_block_job_pause(device, &error);
2062 
2063     hmp_handle_error(mon, &error);
2064 }
2065 
2066 void hmp_block_job_resume(Monitor *mon, const QDict *qdict)
2067 {
2068     Error *error = NULL;
2069     const char *device = qdict_get_str(qdict, "device");
2070 
2071     qmp_block_job_resume(device, &error);
2072 
2073     hmp_handle_error(mon, &error);
2074 }
2075 
2076 void hmp_block_job_complete(Monitor *mon, const QDict *qdict)
2077 {
2078     Error *error = NULL;
2079     const char *device = qdict_get_str(qdict, "device");
2080 
2081     qmp_block_job_complete(device, &error);
2082 
2083     hmp_handle_error(mon, &error);
2084 }
2085 
2086 typedef struct HMPMigrationStatus
2087 {
2088     QEMUTimer *timer;
2089     Monitor *mon;
2090     bool is_block_migration;
2091 } HMPMigrationStatus;
2092 
2093 static void hmp_migrate_status_cb(void *opaque)
2094 {
2095     HMPMigrationStatus *status = opaque;
2096     MigrationInfo *info;
2097 
2098     info = qmp_query_migrate(NULL);
2099     if (!info->has_status || info->status == MIGRATION_STATUS_ACTIVE ||
2100         info->status == MIGRATION_STATUS_SETUP) {
2101         if (info->has_disk) {
2102             int progress;
2103 
2104             if (info->disk->remaining) {
2105                 progress = info->disk->transferred * 100 / info->disk->total;
2106             } else {
2107                 progress = 100;
2108             }
2109 
2110             monitor_printf(status->mon, "Completed %d %%\r", progress);
2111             monitor_flush(status->mon);
2112         }
2113 
2114         timer_mod(status->timer, qemu_clock_get_ms(QEMU_CLOCK_REALTIME) + 1000);
2115     } else {
2116         if (status->is_block_migration) {
2117             monitor_printf(status->mon, "\n");
2118         }
2119         if (info->has_error_desc) {
2120             error_report("%s", info->error_desc);
2121         }
2122         monitor_resume(status->mon);
2123         timer_del(status->timer);
2124         timer_free(status->timer);
2125         g_free(status);
2126     }
2127 
2128     qapi_free_MigrationInfo(info);
2129 }
2130 
2131 void hmp_migrate(Monitor *mon, const QDict *qdict)
2132 {
2133     bool detach = qdict_get_try_bool(qdict, "detach", false);
2134     bool blk = qdict_get_try_bool(qdict, "blk", false);
2135     bool inc = qdict_get_try_bool(qdict, "inc", false);
2136     bool resume = qdict_get_try_bool(qdict, "resume", false);
2137     const char *uri = qdict_get_str(qdict, "uri");
2138     Error *err = NULL;
2139 
2140     qmp_migrate(uri, !!blk, blk, !!inc, inc,
2141                 false, false, true, resume, &err);
2142     if (err) {
2143         hmp_handle_error(mon, &err);
2144         return;
2145     }
2146 
2147     if (!detach) {
2148         HMPMigrationStatus *status;
2149 
2150         if (monitor_suspend(mon) < 0) {
2151             monitor_printf(mon, "terminal does not allow synchronous "
2152                            "migration, continuing detached\n");
2153             return;
2154         }
2155 
2156         status = g_malloc0(sizeof(*status));
2157         status->mon = mon;
2158         status->is_block_migration = blk || inc;
2159         status->timer = timer_new_ms(QEMU_CLOCK_REALTIME, hmp_migrate_status_cb,
2160                                           status);
2161         timer_mod(status->timer, qemu_clock_get_ms(QEMU_CLOCK_REALTIME));
2162     }
2163 }
2164 
2165 void hmp_device_add(Monitor *mon, const QDict *qdict)
2166 {
2167     Error *err = NULL;
2168 
2169     qmp_device_add((QDict *)qdict, NULL, &err);
2170     hmp_handle_error(mon, &err);
2171 }
2172 
2173 void hmp_device_del(Monitor *mon, const QDict *qdict)
2174 {
2175     const char *id = qdict_get_str(qdict, "id");
2176     Error *err = NULL;
2177 
2178     qmp_device_del(id, &err);
2179     hmp_handle_error(mon, &err);
2180 }
2181 
2182 void hmp_dump_guest_memory(Monitor *mon, const QDict *qdict)
2183 {
2184     Error *err = NULL;
2185     bool win_dmp = qdict_get_try_bool(qdict, "windmp", false);
2186     bool paging = qdict_get_try_bool(qdict, "paging", false);
2187     bool zlib = qdict_get_try_bool(qdict, "zlib", false);
2188     bool lzo = qdict_get_try_bool(qdict, "lzo", false);
2189     bool snappy = qdict_get_try_bool(qdict, "snappy", false);
2190     const char *file = qdict_get_str(qdict, "filename");
2191     bool has_begin = qdict_haskey(qdict, "begin");
2192     bool has_length = qdict_haskey(qdict, "length");
2193     bool has_detach = qdict_haskey(qdict, "detach");
2194     int64_t begin = 0;
2195     int64_t length = 0;
2196     bool detach = false;
2197     enum DumpGuestMemoryFormat dump_format = DUMP_GUEST_MEMORY_FORMAT_ELF;
2198     char *prot;
2199 
2200     if (zlib + lzo + snappy + win_dmp > 1) {
2201         error_setg(&err, "only one of '-z|-l|-s|-w' can be set");
2202         hmp_handle_error(mon, &err);
2203         return;
2204     }
2205 
2206     if (win_dmp) {
2207         dump_format = DUMP_GUEST_MEMORY_FORMAT_WIN_DMP;
2208     }
2209 
2210     if (zlib) {
2211         dump_format = DUMP_GUEST_MEMORY_FORMAT_KDUMP_ZLIB;
2212     }
2213 
2214     if (lzo) {
2215         dump_format = DUMP_GUEST_MEMORY_FORMAT_KDUMP_LZO;
2216     }
2217 
2218     if (snappy) {
2219         dump_format = DUMP_GUEST_MEMORY_FORMAT_KDUMP_SNAPPY;
2220     }
2221 
2222     if (has_begin) {
2223         begin = qdict_get_int(qdict, "begin");
2224     }
2225     if (has_length) {
2226         length = qdict_get_int(qdict, "length");
2227     }
2228     if (has_detach) {
2229         detach = qdict_get_bool(qdict, "detach");
2230     }
2231 
2232     prot = g_strconcat("file:", file, NULL);
2233 
2234     qmp_dump_guest_memory(paging, prot, true, detach, has_begin, begin,
2235                           has_length, length, true, dump_format, &err);
2236     hmp_handle_error(mon, &err);
2237     g_free(prot);
2238 }
2239 
2240 void hmp_netdev_add(Monitor *mon, const QDict *qdict)
2241 {
2242     Error *err = NULL;
2243     QemuOpts *opts;
2244 
2245     opts = qemu_opts_from_qdict(qemu_find_opts("netdev"), qdict, &err);
2246     if (err) {
2247         goto out;
2248     }
2249 
2250     netdev_add(opts, &err);
2251     if (err) {
2252         qemu_opts_del(opts);
2253     }
2254 
2255 out:
2256     hmp_handle_error(mon, &err);
2257 }
2258 
2259 void hmp_netdev_del(Monitor *mon, const QDict *qdict)
2260 {
2261     const char *id = qdict_get_str(qdict, "id");
2262     Error *err = NULL;
2263 
2264     qmp_netdev_del(id, &err);
2265     hmp_handle_error(mon, &err);
2266 }
2267 
2268 void hmp_object_add(Monitor *mon, const QDict *qdict)
2269 {
2270     Error *err = NULL;
2271     QemuOpts *opts;
2272     Object *obj = NULL;
2273 
2274     opts = qemu_opts_from_qdict(qemu_find_opts("object"), qdict, &err);
2275     if (err) {
2276         hmp_handle_error(mon, &err);
2277         return;
2278     }
2279 
2280     obj = user_creatable_add_opts(opts, &err);
2281     qemu_opts_del(opts);
2282 
2283     if (err) {
2284         hmp_handle_error(mon, &err);
2285     }
2286     if (obj) {
2287         object_unref(obj);
2288     }
2289 }
2290 
2291 void hmp_getfd(Monitor *mon, const QDict *qdict)
2292 {
2293     const char *fdname = qdict_get_str(qdict, "fdname");
2294     Error *err = NULL;
2295 
2296     qmp_getfd(fdname, &err);
2297     hmp_handle_error(mon, &err);
2298 }
2299 
2300 void hmp_closefd(Monitor *mon, const QDict *qdict)
2301 {
2302     const char *fdname = qdict_get_str(qdict, "fdname");
2303     Error *err = NULL;
2304 
2305     qmp_closefd(fdname, &err);
2306     hmp_handle_error(mon, &err);
2307 }
2308 
2309 void hmp_sendkey(Monitor *mon, const QDict *qdict)
2310 {
2311     const char *keys = qdict_get_str(qdict, "keys");
2312     KeyValueList *keylist, *head = NULL, *tmp = NULL;
2313     int has_hold_time = qdict_haskey(qdict, "hold-time");
2314     int hold_time = qdict_get_try_int(qdict, "hold-time", -1);
2315     Error *err = NULL;
2316     const char *separator;
2317     int keyname_len;
2318 
2319     while (1) {
2320         separator = qemu_strchrnul(keys, '-');
2321         keyname_len = separator - keys;
2322 
2323         /* Be compatible with old interface, convert user inputted "<" */
2324         if (keys[0] == '<' && keyname_len == 1) {
2325             keys = "less";
2326             keyname_len = 4;
2327         }
2328 
2329         keylist = g_malloc0(sizeof(*keylist));
2330         keylist->value = g_malloc0(sizeof(*keylist->value));
2331 
2332         if (!head) {
2333             head = keylist;
2334         }
2335         if (tmp) {
2336             tmp->next = keylist;
2337         }
2338         tmp = keylist;
2339 
2340         if (strstart(keys, "0x", NULL)) {
2341             char *endp;
2342             int value = strtoul(keys, &endp, 0);
2343             assert(endp <= keys + keyname_len);
2344             if (endp != keys + keyname_len) {
2345                 goto err_out;
2346             }
2347             keylist->value->type = KEY_VALUE_KIND_NUMBER;
2348             keylist->value->u.number.data = value;
2349         } else {
2350             int idx = index_from_key(keys, keyname_len);
2351             if (idx == Q_KEY_CODE__MAX) {
2352                 goto err_out;
2353             }
2354             keylist->value->type = KEY_VALUE_KIND_QCODE;
2355             keylist->value->u.qcode.data = idx;
2356         }
2357 
2358         if (!*separator) {
2359             break;
2360         }
2361         keys = separator + 1;
2362     }
2363 
2364     qmp_send_key(head, has_hold_time, hold_time, &err);
2365     hmp_handle_error(mon, &err);
2366 
2367 out:
2368     qapi_free_KeyValueList(head);
2369     return;
2370 
2371 err_out:
2372     monitor_printf(mon, "invalid parameter: %.*s\n", keyname_len, keys);
2373     goto out;
2374 }
2375 
2376 void hmp_screendump(Monitor *mon, const QDict *qdict)
2377 {
2378     const char *filename = qdict_get_str(qdict, "filename");
2379     const char *id = qdict_get_try_str(qdict, "device");
2380     int64_t head = qdict_get_try_int(qdict, "head", 0);
2381     Error *err = NULL;
2382 
2383     qmp_screendump(filename, id != NULL, id, id != NULL, head, &err);
2384     hmp_handle_error(mon, &err);
2385 }
2386 
2387 void hmp_nbd_server_start(Monitor *mon, const QDict *qdict)
2388 {
2389     const char *uri = qdict_get_str(qdict, "uri");
2390     bool writable = qdict_get_try_bool(qdict, "writable", false);
2391     bool all = qdict_get_try_bool(qdict, "all", false);
2392     Error *local_err = NULL;
2393     BlockInfoList *block_list, *info;
2394     SocketAddress *addr;
2395 
2396     if (writable && !all) {
2397         error_setg(&local_err, "-w only valid together with -a");
2398         goto exit;
2399     }
2400 
2401     /* First check if the address is valid and start the server.  */
2402     addr = socket_parse(uri, &local_err);
2403     if (local_err != NULL) {
2404         goto exit;
2405     }
2406 
2407     nbd_server_start(addr, NULL, NULL, &local_err);
2408     qapi_free_SocketAddress(addr);
2409     if (local_err != NULL) {
2410         goto exit;
2411     }
2412 
2413     if (!all) {
2414         return;
2415     }
2416 
2417     /* Then try adding all block devices.  If one fails, close all and
2418      * exit.
2419      */
2420     block_list = qmp_query_block(NULL);
2421 
2422     for (info = block_list; info; info = info->next) {
2423         if (!info->value->has_inserted) {
2424             continue;
2425         }
2426 
2427         qmp_nbd_server_add(info->value->device, false, NULL,
2428                            true, writable, false, NULL, &local_err);
2429 
2430         if (local_err != NULL) {
2431             qmp_nbd_server_stop(NULL);
2432             break;
2433         }
2434     }
2435 
2436     qapi_free_BlockInfoList(block_list);
2437 
2438 exit:
2439     hmp_handle_error(mon, &local_err);
2440 }
2441 
2442 void hmp_nbd_server_add(Monitor *mon, const QDict *qdict)
2443 {
2444     const char *device = qdict_get_str(qdict, "device");
2445     const char *name = qdict_get_try_str(qdict, "name");
2446     bool writable = qdict_get_try_bool(qdict, "writable", false);
2447     Error *local_err = NULL;
2448 
2449     qmp_nbd_server_add(device, !!name, name, true, writable,
2450                        false, NULL, &local_err);
2451     hmp_handle_error(mon, &local_err);
2452 }
2453 
2454 void hmp_nbd_server_remove(Monitor *mon, const QDict *qdict)
2455 {
2456     const char *name = qdict_get_str(qdict, "name");
2457     bool force = qdict_get_try_bool(qdict, "force", false);
2458     Error *err = NULL;
2459 
2460     /* Rely on NBD_SERVER_REMOVE_MODE_SAFE being the default */
2461     qmp_nbd_server_remove(name, force, NBD_SERVER_REMOVE_MODE_HARD, &err);
2462     hmp_handle_error(mon, &err);
2463 }
2464 
2465 void hmp_nbd_server_stop(Monitor *mon, const QDict *qdict)
2466 {
2467     Error *err = NULL;
2468 
2469     qmp_nbd_server_stop(&err);
2470     hmp_handle_error(mon, &err);
2471 }
2472 
2473 void hmp_cpu_add(Monitor *mon, const QDict *qdict)
2474 {
2475     int cpuid;
2476     Error *err = NULL;
2477 
2478     error_report("cpu_add is deprecated, please use device_add instead");
2479 
2480     cpuid = qdict_get_int(qdict, "id");
2481     qmp_cpu_add(cpuid, &err);
2482     hmp_handle_error(mon, &err);
2483 }
2484 
2485 void hmp_chardev_add(Monitor *mon, const QDict *qdict)
2486 {
2487     const char *args = qdict_get_str(qdict, "args");
2488     Error *err = NULL;
2489     QemuOpts *opts;
2490 
2491     opts = qemu_opts_parse_noisily(qemu_find_opts("chardev"), args, true);
2492     if (opts == NULL) {
2493         error_setg(&err, "Parsing chardev args failed");
2494     } else {
2495         qemu_chr_new_from_opts(opts, NULL, &err);
2496         qemu_opts_del(opts);
2497     }
2498     hmp_handle_error(mon, &err);
2499 }
2500 
2501 void hmp_chardev_change(Monitor *mon, const QDict *qdict)
2502 {
2503     const char *args = qdict_get_str(qdict, "args");
2504     const char *id;
2505     Error *err = NULL;
2506     ChardevBackend *backend = NULL;
2507     ChardevReturn *ret = NULL;
2508     QemuOpts *opts = qemu_opts_parse_noisily(qemu_find_opts("chardev"), args,
2509                                              true);
2510     if (!opts) {
2511         error_setg(&err, "Parsing chardev args failed");
2512         goto end;
2513     }
2514 
2515     id = qdict_get_str(qdict, "id");
2516     if (qemu_opts_id(opts)) {
2517         error_setg(&err, "Unexpected 'id' parameter");
2518         goto end;
2519     }
2520 
2521     backend = qemu_chr_parse_opts(opts, &err);
2522     if (!backend) {
2523         goto end;
2524     }
2525 
2526     ret = qmp_chardev_change(id, backend, &err);
2527 
2528 end:
2529     qapi_free_ChardevReturn(ret);
2530     qapi_free_ChardevBackend(backend);
2531     qemu_opts_del(opts);
2532     hmp_handle_error(mon, &err);
2533 }
2534 
2535 void hmp_chardev_remove(Monitor *mon, const QDict *qdict)
2536 {
2537     Error *local_err = NULL;
2538 
2539     qmp_chardev_remove(qdict_get_str(qdict, "id"), &local_err);
2540     hmp_handle_error(mon, &local_err);
2541 }
2542 
2543 void hmp_chardev_send_break(Monitor *mon, const QDict *qdict)
2544 {
2545     Error *local_err = NULL;
2546 
2547     qmp_chardev_send_break(qdict_get_str(qdict, "id"), &local_err);
2548     hmp_handle_error(mon, &local_err);
2549 }
2550 
2551 void hmp_qemu_io(Monitor *mon, const QDict *qdict)
2552 {
2553     BlockBackend *blk;
2554     BlockBackend *local_blk = NULL;
2555     const char* device = qdict_get_str(qdict, "device");
2556     const char* command = qdict_get_str(qdict, "command");
2557     Error *err = NULL;
2558     int ret;
2559 
2560     blk = blk_by_name(device);
2561     if (!blk) {
2562         BlockDriverState *bs = bdrv_lookup_bs(NULL, device, &err);
2563         if (bs) {
2564             blk = local_blk = blk_new(bdrv_get_aio_context(bs),
2565                                       0, BLK_PERM_ALL);
2566             ret = blk_insert_bs(blk, bs, &err);
2567             if (ret < 0) {
2568                 goto fail;
2569             }
2570         } else {
2571             goto fail;
2572         }
2573     }
2574 
2575     /*
2576      * Notably absent: Proper permission management. This is sad, but it seems
2577      * almost impossible to achieve without changing the semantics and thereby
2578      * limiting the use cases of the qemu-io HMP command.
2579      *
2580      * In an ideal world we would unconditionally create a new BlockBackend for
2581      * qemuio_command(), but we have commands like 'reopen' and want them to
2582      * take effect on the exact BlockBackend whose name the user passed instead
2583      * of just on a temporary copy of it.
2584      *
2585      * Another problem is that deleting the temporary BlockBackend involves
2586      * draining all requests on it first, but some qemu-iotests cases want to
2587      * issue multiple aio_read/write requests and expect them to complete in
2588      * the background while the monitor has already returned.
2589      *
2590      * This is also what prevents us from saving the original permissions and
2591      * restoring them later: We can't revoke permissions until all requests
2592      * have completed, and we don't know when that is nor can we really let
2593      * anything else run before we have revoken them to avoid race conditions.
2594      *
2595      * What happens now is that command() in qemu-io-cmds.c can extend the
2596      * permissions if necessary for the qemu-io command. And they simply stay
2597      * extended, possibly resulting in a read-only guest device keeping write
2598      * permissions. Ugly, but it appears to be the lesser evil.
2599      */
2600     qemuio_command(blk, command);
2601 
2602 fail:
2603     blk_unref(local_blk);
2604     hmp_handle_error(mon, &err);
2605 }
2606 
2607 void hmp_object_del(Monitor *mon, const QDict *qdict)
2608 {
2609     const char *id = qdict_get_str(qdict, "id");
2610     Error *err = NULL;
2611 
2612     user_creatable_del(id, &err);
2613     hmp_handle_error(mon, &err);
2614 }
2615 
2616 void hmp_info_memdev(Monitor *mon, const QDict *qdict)
2617 {
2618     Error *err = NULL;
2619     MemdevList *memdev_list = qmp_query_memdev(&err);
2620     MemdevList *m = memdev_list;
2621     Visitor *v;
2622     char *str;
2623 
2624     while (m) {
2625         v = string_output_visitor_new(false, &str);
2626         visit_type_uint16List(v, NULL, &m->value->host_nodes, NULL);
2627         monitor_printf(mon, "memory backend: %s\n", m->value->id);
2628         monitor_printf(mon, "  size:  %" PRId64 "\n", m->value->size);
2629         monitor_printf(mon, "  merge: %s\n",
2630                        m->value->merge ? "true" : "false");
2631         monitor_printf(mon, "  dump: %s\n",
2632                        m->value->dump ? "true" : "false");
2633         monitor_printf(mon, "  prealloc: %s\n",
2634                        m->value->prealloc ? "true" : "false");
2635         monitor_printf(mon, "  policy: %s\n",
2636                        HostMemPolicy_str(m->value->policy));
2637         visit_complete(v, &str);
2638         monitor_printf(mon, "  host nodes: %s\n", str);
2639 
2640         g_free(str);
2641         visit_free(v);
2642         m = m->next;
2643     }
2644 
2645     monitor_printf(mon, "\n");
2646 
2647     qapi_free_MemdevList(memdev_list);
2648     hmp_handle_error(mon, &err);
2649 }
2650 
2651 void hmp_info_memory_devices(Monitor *mon, const QDict *qdict)
2652 {
2653     Error *err = NULL;
2654     MemoryDeviceInfoList *info_list = qmp_query_memory_devices(&err);
2655     MemoryDeviceInfoList *info;
2656     MemoryDeviceInfo *value;
2657     PCDIMMDeviceInfo *di;
2658 
2659     for (info = info_list; info; info = info->next) {
2660         value = info->value;
2661 
2662         if (value) {
2663             switch (value->type) {
2664             case MEMORY_DEVICE_INFO_KIND_DIMM:
2665                 di = value->u.dimm.data;
2666                 break;
2667 
2668             case MEMORY_DEVICE_INFO_KIND_NVDIMM:
2669                 di = value->u.nvdimm.data;
2670                 break;
2671 
2672             default:
2673                 di = NULL;
2674                 break;
2675             }
2676 
2677             if (di) {
2678                 monitor_printf(mon, "Memory device [%s]: \"%s\"\n",
2679                                MemoryDeviceInfoKind_str(value->type),
2680                                di->id ? di->id : "");
2681                 monitor_printf(mon, "  addr: 0x%" PRIx64 "\n", di->addr);
2682                 monitor_printf(mon, "  slot: %" PRId64 "\n", di->slot);
2683                 monitor_printf(mon, "  node: %" PRId64 "\n", di->node);
2684                 monitor_printf(mon, "  size: %" PRIu64 "\n", di->size);
2685                 monitor_printf(mon, "  memdev: %s\n", di->memdev);
2686                 monitor_printf(mon, "  hotplugged: %s\n",
2687                                di->hotplugged ? "true" : "false");
2688                 monitor_printf(mon, "  hotpluggable: %s\n",
2689                                di->hotpluggable ? "true" : "false");
2690             }
2691         }
2692     }
2693 
2694     qapi_free_MemoryDeviceInfoList(info_list);
2695     hmp_handle_error(mon, &err);
2696 }
2697 
2698 void hmp_info_iothreads(Monitor *mon, const QDict *qdict)
2699 {
2700     IOThreadInfoList *info_list = qmp_query_iothreads(NULL);
2701     IOThreadInfoList *info;
2702     IOThreadInfo *value;
2703 
2704     for (info = info_list; info; info = info->next) {
2705         value = info->value;
2706         monitor_printf(mon, "%s:\n", value->id);
2707         monitor_printf(mon, "  thread_id=%" PRId64 "\n", value->thread_id);
2708         monitor_printf(mon, "  poll-max-ns=%" PRId64 "\n", value->poll_max_ns);
2709         monitor_printf(mon, "  poll-grow=%" PRId64 "\n", value->poll_grow);
2710         monitor_printf(mon, "  poll-shrink=%" PRId64 "\n", value->poll_shrink);
2711     }
2712 
2713     qapi_free_IOThreadInfoList(info_list);
2714 }
2715 
2716 void hmp_qom_list(Monitor *mon, const QDict *qdict)
2717 {
2718     const char *path = qdict_get_try_str(qdict, "path");
2719     ObjectPropertyInfoList *list;
2720     Error *err = NULL;
2721 
2722     if (path == NULL) {
2723         monitor_printf(mon, "/\n");
2724         return;
2725     }
2726 
2727     list = qmp_qom_list(path, &err);
2728     if (err == NULL) {
2729         ObjectPropertyInfoList *start = list;
2730         while (list != NULL) {
2731             ObjectPropertyInfo *value = list->value;
2732 
2733             monitor_printf(mon, "%s (%s)\n",
2734                            value->name, value->type);
2735             list = list->next;
2736         }
2737         qapi_free_ObjectPropertyInfoList(start);
2738     }
2739     hmp_handle_error(mon, &err);
2740 }
2741 
2742 void hmp_qom_set(Monitor *mon, const QDict *qdict)
2743 {
2744     const char *path = qdict_get_str(qdict, "path");
2745     const char *property = qdict_get_str(qdict, "property");
2746     const char *value = qdict_get_str(qdict, "value");
2747     Error *err = NULL;
2748     bool ambiguous = false;
2749     Object *obj;
2750 
2751     obj = object_resolve_path(path, &ambiguous);
2752     if (obj == NULL) {
2753         error_set(&err, ERROR_CLASS_DEVICE_NOT_FOUND,
2754                   "Device '%s' not found", path);
2755     } else {
2756         if (ambiguous) {
2757             monitor_printf(mon, "Warning: Path '%s' is ambiguous\n", path);
2758         }
2759         object_property_parse(obj, value, property, &err);
2760     }
2761     hmp_handle_error(mon, &err);
2762 }
2763 
2764 void hmp_rocker(Monitor *mon, const QDict *qdict)
2765 {
2766     const char *name = qdict_get_str(qdict, "name");
2767     RockerSwitch *rocker;
2768     Error *err = NULL;
2769 
2770     rocker = qmp_query_rocker(name, &err);
2771     if (err != NULL) {
2772         hmp_handle_error(mon, &err);
2773         return;
2774     }
2775 
2776     monitor_printf(mon, "name: %s\n", rocker->name);
2777     monitor_printf(mon, "id: 0x%" PRIx64 "\n", rocker->id);
2778     monitor_printf(mon, "ports: %d\n", rocker->ports);
2779 
2780     qapi_free_RockerSwitch(rocker);
2781 }
2782 
2783 void hmp_rocker_ports(Monitor *mon, const QDict *qdict)
2784 {
2785     RockerPortList *list, *port;
2786     const char *name = qdict_get_str(qdict, "name");
2787     Error *err = NULL;
2788 
2789     list = qmp_query_rocker_ports(name, &err);
2790     if (err != NULL) {
2791         hmp_handle_error(mon, &err);
2792         return;
2793     }
2794 
2795     monitor_printf(mon, "            ena/    speed/ auto\n");
2796     monitor_printf(mon, "      port  link    duplex neg?\n");
2797 
2798     for (port = list; port; port = port->next) {
2799         monitor_printf(mon, "%10s  %-4s   %-3s  %2s  %-3s\n",
2800                        port->value->name,
2801                        port->value->enabled ? port->value->link_up ?
2802                        "up" : "down" : "!ena",
2803                        port->value->speed == 10000 ? "10G" : "??",
2804                        port->value->duplex ? "FD" : "HD",
2805                        port->value->autoneg ? "Yes" : "No");
2806     }
2807 
2808     qapi_free_RockerPortList(list);
2809 }
2810 
2811 void hmp_rocker_of_dpa_flows(Monitor *mon, const QDict *qdict)
2812 {
2813     RockerOfDpaFlowList *list, *info;
2814     const char *name = qdict_get_str(qdict, "name");
2815     uint32_t tbl_id = qdict_get_try_int(qdict, "tbl_id", -1);
2816     Error *err = NULL;
2817 
2818     list = qmp_query_rocker_of_dpa_flows(name, tbl_id != -1, tbl_id, &err);
2819     if (err != NULL) {
2820         hmp_handle_error(mon, &err);
2821         return;
2822     }
2823 
2824     monitor_printf(mon, "prio tbl hits key(mask) --> actions\n");
2825 
2826     for (info = list; info; info = info->next) {
2827         RockerOfDpaFlow *flow = info->value;
2828         RockerOfDpaFlowKey *key = flow->key;
2829         RockerOfDpaFlowMask *mask = flow->mask;
2830         RockerOfDpaFlowAction *action = flow->action;
2831 
2832         if (flow->hits) {
2833             monitor_printf(mon, "%-4d %-3d %-4" PRIu64,
2834                            key->priority, key->tbl_id, flow->hits);
2835         } else {
2836             monitor_printf(mon, "%-4d %-3d     ",
2837                            key->priority, key->tbl_id);
2838         }
2839 
2840         if (key->has_in_pport) {
2841             monitor_printf(mon, " pport %d", key->in_pport);
2842             if (mask->has_in_pport) {
2843                 monitor_printf(mon, "(0x%x)", mask->in_pport);
2844             }
2845         }
2846 
2847         if (key->has_vlan_id) {
2848             monitor_printf(mon, " vlan %d",
2849                            key->vlan_id & VLAN_VID_MASK);
2850             if (mask->has_vlan_id) {
2851                 monitor_printf(mon, "(0x%x)", mask->vlan_id);
2852             }
2853         }
2854 
2855         if (key->has_tunnel_id) {
2856             monitor_printf(mon, " tunnel %d", key->tunnel_id);
2857             if (mask->has_tunnel_id) {
2858                 monitor_printf(mon, "(0x%x)", mask->tunnel_id);
2859             }
2860         }
2861 
2862         if (key->has_eth_type) {
2863             switch (key->eth_type) {
2864             case 0x0806:
2865                 monitor_printf(mon, " ARP");
2866                 break;
2867             case 0x0800:
2868                 monitor_printf(mon, " IP");
2869                 break;
2870             case 0x86dd:
2871                 monitor_printf(mon, " IPv6");
2872                 break;
2873             case 0x8809:
2874                 monitor_printf(mon, " LACP");
2875                 break;
2876             case 0x88cc:
2877                 monitor_printf(mon, " LLDP");
2878                 break;
2879             default:
2880                 monitor_printf(mon, " eth type 0x%04x", key->eth_type);
2881                 break;
2882             }
2883         }
2884 
2885         if (key->has_eth_src) {
2886             if ((strcmp(key->eth_src, "01:00:00:00:00:00") == 0) &&
2887                 (mask->has_eth_src) &&
2888                 (strcmp(mask->eth_src, "01:00:00:00:00:00") == 0)) {
2889                 monitor_printf(mon, " src <any mcast/bcast>");
2890             } else if ((strcmp(key->eth_src, "00:00:00:00:00:00") == 0) &&
2891                 (mask->has_eth_src) &&
2892                 (strcmp(mask->eth_src, "01:00:00:00:00:00") == 0)) {
2893                 monitor_printf(mon, " src <any ucast>");
2894             } else {
2895                 monitor_printf(mon, " src %s", key->eth_src);
2896                 if (mask->has_eth_src) {
2897                     monitor_printf(mon, "(%s)", mask->eth_src);
2898                 }
2899             }
2900         }
2901 
2902         if (key->has_eth_dst) {
2903             if ((strcmp(key->eth_dst, "01:00:00:00:00:00") == 0) &&
2904                 (mask->has_eth_dst) &&
2905                 (strcmp(mask->eth_dst, "01:00:00:00:00:00") == 0)) {
2906                 monitor_printf(mon, " dst <any mcast/bcast>");
2907             } else if ((strcmp(key->eth_dst, "00:00:00:00:00:00") == 0) &&
2908                 (mask->has_eth_dst) &&
2909                 (strcmp(mask->eth_dst, "01:00:00:00:00:00") == 0)) {
2910                 monitor_printf(mon, " dst <any ucast>");
2911             } else {
2912                 monitor_printf(mon, " dst %s", key->eth_dst);
2913                 if (mask->has_eth_dst) {
2914                     monitor_printf(mon, "(%s)", mask->eth_dst);
2915                 }
2916             }
2917         }
2918 
2919         if (key->has_ip_proto) {
2920             monitor_printf(mon, " proto %d", key->ip_proto);
2921             if (mask->has_ip_proto) {
2922                 monitor_printf(mon, "(0x%x)", mask->ip_proto);
2923             }
2924         }
2925 
2926         if (key->has_ip_tos) {
2927             monitor_printf(mon, " TOS %d", key->ip_tos);
2928             if (mask->has_ip_tos) {
2929                 monitor_printf(mon, "(0x%x)", mask->ip_tos);
2930             }
2931         }
2932 
2933         if (key->has_ip_dst) {
2934             monitor_printf(mon, " dst %s", key->ip_dst);
2935         }
2936 
2937         if (action->has_goto_tbl || action->has_group_id ||
2938             action->has_new_vlan_id) {
2939             monitor_printf(mon, " -->");
2940         }
2941 
2942         if (action->has_new_vlan_id) {
2943             monitor_printf(mon, " apply new vlan %d",
2944                            ntohs(action->new_vlan_id));
2945         }
2946 
2947         if (action->has_group_id) {
2948             monitor_printf(mon, " write group 0x%08x", action->group_id);
2949         }
2950 
2951         if (action->has_goto_tbl) {
2952             monitor_printf(mon, " goto tbl %d", action->goto_tbl);
2953         }
2954 
2955         monitor_printf(mon, "\n");
2956     }
2957 
2958     qapi_free_RockerOfDpaFlowList(list);
2959 }
2960 
2961 void hmp_rocker_of_dpa_groups(Monitor *mon, const QDict *qdict)
2962 {
2963     RockerOfDpaGroupList *list, *g;
2964     const char *name = qdict_get_str(qdict, "name");
2965     uint8_t type = qdict_get_try_int(qdict, "type", 9);
2966     Error *err = NULL;
2967     bool set = false;
2968 
2969     list = qmp_query_rocker_of_dpa_groups(name, type != 9, type, &err);
2970     if (err != NULL) {
2971         hmp_handle_error(mon, &err);
2972         return;
2973     }
2974 
2975     monitor_printf(mon, "id (decode) --> buckets\n");
2976 
2977     for (g = list; g; g = g->next) {
2978         RockerOfDpaGroup *group = g->value;
2979 
2980         monitor_printf(mon, "0x%08x", group->id);
2981 
2982         monitor_printf(mon, " (type %s", group->type == 0 ? "L2 interface" :
2983                                          group->type == 1 ? "L2 rewrite" :
2984                                          group->type == 2 ? "L3 unicast" :
2985                                          group->type == 3 ? "L2 multicast" :
2986                                          group->type == 4 ? "L2 flood" :
2987                                          group->type == 5 ? "L3 interface" :
2988                                          group->type == 6 ? "L3 multicast" :
2989                                          group->type == 7 ? "L3 ECMP" :
2990                                          group->type == 8 ? "L2 overlay" :
2991                                          "unknown");
2992 
2993         if (group->has_vlan_id) {
2994             monitor_printf(mon, " vlan %d", group->vlan_id);
2995         }
2996 
2997         if (group->has_pport) {
2998             monitor_printf(mon, " pport %d", group->pport);
2999         }
3000 
3001         if (group->has_index) {
3002             monitor_printf(mon, " index %d", group->index);
3003         }
3004 
3005         monitor_printf(mon, ") -->");
3006 
3007         if (group->has_set_vlan_id && group->set_vlan_id) {
3008             set = true;
3009             monitor_printf(mon, " set vlan %d",
3010                            group->set_vlan_id & VLAN_VID_MASK);
3011         }
3012 
3013         if (group->has_set_eth_src) {
3014             if (!set) {
3015                 set = true;
3016                 monitor_printf(mon, " set");
3017             }
3018             monitor_printf(mon, " src %s", group->set_eth_src);
3019         }
3020 
3021         if (group->has_set_eth_dst) {
3022             if (!set) {
3023                 set = true;
3024                 monitor_printf(mon, " set");
3025             }
3026             monitor_printf(mon, " dst %s", group->set_eth_dst);
3027         }
3028 
3029         set = false;
3030 
3031         if (group->has_ttl_check && group->ttl_check) {
3032             monitor_printf(mon, " check TTL");
3033         }
3034 
3035         if (group->has_group_id && group->group_id) {
3036             monitor_printf(mon, " group id 0x%08x", group->group_id);
3037         }
3038 
3039         if (group->has_pop_vlan && group->pop_vlan) {
3040             monitor_printf(mon, " pop vlan");
3041         }
3042 
3043         if (group->has_out_pport) {
3044             monitor_printf(mon, " out pport %d", group->out_pport);
3045         }
3046 
3047         if (group->has_group_ids) {
3048             struct uint32List *id;
3049 
3050             monitor_printf(mon, " groups [");
3051             for (id = group->group_ids; id; id = id->next) {
3052                 monitor_printf(mon, "0x%08x", id->value);
3053                 if (id->next) {
3054                     monitor_printf(mon, ",");
3055                 }
3056             }
3057             monitor_printf(mon, "]");
3058         }
3059 
3060         monitor_printf(mon, "\n");
3061     }
3062 
3063     qapi_free_RockerOfDpaGroupList(list);
3064 }
3065 
3066 void hmp_info_dump(Monitor *mon, const QDict *qdict)
3067 {
3068     DumpQueryResult *result = qmp_query_dump(NULL);
3069 
3070     assert(result && result->status < DUMP_STATUS__MAX);
3071     monitor_printf(mon, "Status: %s\n", DumpStatus_str(result->status));
3072 
3073     if (result->status == DUMP_STATUS_ACTIVE) {
3074         float percent = 0;
3075         assert(result->total != 0);
3076         percent = 100.0 * result->completed / result->total;
3077         monitor_printf(mon, "Finished: %.2f %%\n", percent);
3078     }
3079 
3080     qapi_free_DumpQueryResult(result);
3081 }
3082 
3083 void hmp_info_ramblock(Monitor *mon, const QDict *qdict)
3084 {
3085     ram_block_dump(mon);
3086 }
3087 
3088 void hmp_hotpluggable_cpus(Monitor *mon, const QDict *qdict)
3089 {
3090     Error *err = NULL;
3091     HotpluggableCPUList *l = qmp_query_hotpluggable_cpus(&err);
3092     HotpluggableCPUList *saved = l;
3093     CpuInstanceProperties *c;
3094 
3095     if (err != NULL) {
3096         hmp_handle_error(mon, &err);
3097         return;
3098     }
3099 
3100     monitor_printf(mon, "Hotpluggable CPUs:\n");
3101     while (l) {
3102         monitor_printf(mon, "  type: \"%s\"\n", l->value->type);
3103         monitor_printf(mon, "  vcpus_count: \"%" PRIu64 "\"\n",
3104                        l->value->vcpus_count);
3105         if (l->value->has_qom_path) {
3106             monitor_printf(mon, "  qom_path: \"%s\"\n", l->value->qom_path);
3107         }
3108 
3109         c = l->value->props;
3110         monitor_printf(mon, "  CPUInstance Properties:\n");
3111         if (c->has_node_id) {
3112             monitor_printf(mon, "    node-id: \"%" PRIu64 "\"\n", c->node_id);
3113         }
3114         if (c->has_socket_id) {
3115             monitor_printf(mon, "    socket-id: \"%" PRIu64 "\"\n", c->socket_id);
3116         }
3117         if (c->has_core_id) {
3118             monitor_printf(mon, "    core-id: \"%" PRIu64 "\"\n", c->core_id);
3119         }
3120         if (c->has_thread_id) {
3121             monitor_printf(mon, "    thread-id: \"%" PRIu64 "\"\n", c->thread_id);
3122         }
3123 
3124         l = l->next;
3125     }
3126 
3127     qapi_free_HotpluggableCPUList(saved);
3128 }
3129 
3130 void hmp_info_vm_generation_id(Monitor *mon, const QDict *qdict)
3131 {
3132     Error *err = NULL;
3133     GuidInfo *info = qmp_query_vm_generation_id(&err);
3134     if (info) {
3135         monitor_printf(mon, "%s\n", info->guid);
3136     }
3137     hmp_handle_error(mon, &err);
3138     qapi_free_GuidInfo(info);
3139 }
3140 
3141 void hmp_info_memory_size_summary(Monitor *mon, const QDict *qdict)
3142 {
3143     Error *err = NULL;
3144     MemoryInfo *info = qmp_query_memory_size_summary(&err);
3145     if (info) {
3146         monitor_printf(mon, "base memory: %" PRIu64 "\n",
3147                        info->base_memory);
3148 
3149         if (info->has_plugged_memory) {
3150             monitor_printf(mon, "plugged memory: %" PRIu64 "\n",
3151                            info->plugged_memory);
3152         }
3153 
3154         qapi_free_MemoryInfo(info);
3155     }
3156     hmp_handle_error(mon, &err);
3157 }
3158