aboutsummaryrefslogtreecommitdiff
path: root/qapi/machine.json
blob: 9811927504ea1671e9baf428315c7bb447f83e6b (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
458
459
460
461
462
463
464
465
466
467
468
469
470
471
472
473
474
475
476
477
478
479
480
481
482
483
484
485
486
487
488
489
490
491
492
493
494
495
496
497
498
499
500
501
502
503
504
505
506
507
508
509
510
511
512
513
514
515
516
517
518
519
520
521
522
523
524
525
526
527
528
529
530
531
532
533
534
535
536
537
538
539
540
541
542
543
544
545
546
547
548
549
550
551
552
553
554
555
556
557
558
559
560
561
562
563
564
565
566
567
568
569
570
571
572
573
574
575
576
577
578
579
580
581
582
583
584
585
586
587
588
589
590
591
592
593
594
595
596
597
598
599
600
601
602
603
604
605
606
607
608
609
610
611
612
613
614
615
616
617
618
619
620
621
622
623
624
625
626
627
628
629
630
631
632
633
634
635
636
637
638
639
640
641
642
643
644
645
646
647
648
649
650
651
652
653
654
655
656
657
658
659
660
661
662
663
664
665
666
667
668
669
670
671
672
673
674
675
676
677
678
679
680
681
682
683
684
685
686
687
688
689
690
691
692
693
694
695
696
697
698
699
700
701
702
703
704
705
706
707
708
709
710
711
712
713
714
715
716
717
718
719
720
721
722
723
724
725
726
727
728
729
730
731
732
733
734
735
736
737
738
739
740
741
742
743
744
745
746
747
748
749
750
751
752
753
754
755
756
757
758
759
760
761
762
763
764
765
766
767
768
769
770
771
772
773
774
775
776
777
778
779
780
781
782
783
784
785
786
787
788
789
790
791
792
793
794
795
796
797
798
799
800
801
802
803
804
805
806
807
808
809
810
811
812
813
814
815
816
817
818
819
820
821
822
823
824
825
826
827
828
829
830
831
832
833
834
835
836
837
838
839
840
841
842
843
844
845
846
847
848
849
850
851
852
853
854
855
856
857
858
859
860
861
862
863
864
865
866
867
868
869
870
871
872
873
874
875
876
877
878
879
880
881
882
883
884
885
886
887
888
889
890
891
892
893
894
895
896
897
898
899
900
901
902
903
904
905
906
907
908
909
910
911
912
913
914
915
916
917
918
919
920
921
922
923
924
925
926
927
928
929
930
931
932
933
934
935
936
937
938
939
940
941
942
943
944
945
946
947
948
949
950
951
952
953
954
955
956
957
958
959
960
961
962
963
964
965
966
967
968
969
970
971
972
973
974
975
976
977
978
979
980
981
982
983
984
985
986
987
988
989
990
991
992
993
994
995
996
997
998
999
1000
1001
1002
1003
1004
1005
1006
1007
1008
1009
1010
1011
1012
1013
1014
1015
1016
1017
1018
1019
1020
1021
1022
1023
1024
1025
1026
1027
1028
1029
1030
1031
1032
1033
1034
1035
1036
1037
1038
1039
1040
1041
1042
1043
1044
1045
1046
1047
1048
1049
1050
1051
1052
1053
1054
1055
1056
1057
1058
1059
1060
1061
1062
1063
1064
1065
1066
1067
1068
1069
1070
1071
1072
1073
1074
1075
1076
1077
1078
1079
1080
1081
1082
1083
1084
1085
1086
1087
1088
1089
1090
1091
1092
1093
1094
1095
1096
1097
1098
1099
1100
1101
1102
1103
1104
1105
1106
1107
1108
1109
1110
1111
1112
1113
1114
1115
1116
1117
1118
1119
1120
1121
1122
1123
1124
1125
1126
1127
1128
1129
1130
1131
1132
1133
1134
1135
1136
1137
1138
1139
1140
1141
1142
1143
1144
1145
1146
1147
1148
1149
1150
1151
1152
1153
1154
1155
1156
1157
1158
1159
1160
1161
1162
1163
1164
1165
1166
1167
1168
1169
1170
1171
1172
1173
1174
1175
1176
1177
1178
1179
1180
1181
1182
1183
1184
1185
1186
1187
1188
1189
1190
1191
1192
1193
1194
1195
1196
1197
1198
1199
1200
1201
1202
1203
1204
1205
1206
1207
1208
1209
1210
1211
1212
1213
1214
1215
1216
1217
1218
1219
1220
1221
1222
1223
1224
1225
1226
1227
1228
1229
1230
1231
1232
1233
1234
1235
1236
1237
1238
1239
1240
1241
1242
1243
1244
1245
1246
1247
1248
1249
1250
1251
1252
1253
1254
1255
1256
1257
1258
1259
1260
1261
1262
1263
1264
1265
1266
1267
1268
1269
1270
1271
1272
1273
1274
1275
1276
1277
1278
1279
1280
1281
1282
1283
1284
1285
1286
1287
1288
1289
1290
1291
1292
1293
1294
1295
1296
1297
1298
1299
1300
1301
1302
1303
1304
1305
1306
1307
1308
1309
1310
1311
1312
1313
1314
1315
1316
# -*- Mode: Python -*-
# vim: filetype=python
#
# This work is licensed under the terms of the GNU GPL, version 2 or later.
# See the COPYING file in the top-level directory.

##
# = Machines
##

##
# @SysEmuTarget:
#
# The comprehensive enumeration of QEMU system emulation ("softmmu")
# targets. Run "./configure --help" in the project root directory, and
# look for the \*-softmmu targets near the "--target-list" option. The
# individual target constants are not documented here, for the time
# being.
#
# @rx: since 5.0
# @avr: since 5.1
#
# Notes: The resulting QMP strings can be appended to the "qemu-system-"
#        prefix to produce the corresponding QEMU executable name. This
#        is true even for "qemu-system-x86_64".
#
# Since: 3.0
##
{ 'enum' : 'SysEmuTarget',
  'data' : [ 'aarch64', 'alpha', 'arm', 'avr', 'cris', 'hppa', 'i386', 'lm32',
             'm68k', 'microblaze', 'microblazeel', 'mips', 'mips64',
             'mips64el', 'mipsel', 'moxie', 'nios2', 'or1k', 'ppc',
             'ppc64', 'riscv32', 'riscv64', 'rx', 's390x', 'sh4',
             'sh4eb', 'sparc', 'sparc64', 'tricore', 'unicore32',
             'x86_64', 'xtensa', 'xtensaeb' ] }

##
# @CpuInfoArch:
#
# An enumeration of cpu types that enable additional information during
# @query-cpus-fast.
#
# @s390: since 2.12
#
# @riscv: since 2.12
#
# Since: 2.6
##
{ 'enum': 'CpuInfoArch',
  'data': ['x86', 'sparc', 'ppc', 'mips', 'tricore', 's390', 'riscv', 'other' ] }

##
# @CpuS390State:
#
# An enumeration of cpu states that can be assumed by a virtual
# S390 CPU
#
# Since: 2.12
##
{ 'enum': 'CpuS390State',
  'prefix': 'S390_CPU_STATE',
  'data': [ 'uninitialized', 'stopped', 'check-stop', 'operating', 'load' ] }

##
# @CpuInfoS390:
#
# Additional information about a virtual S390 CPU
#
# @cpu-state: the virtual CPU's state
#
# Since: 2.12
##
{ 'struct': 'CpuInfoS390', 'data': { 'cpu-state': 'CpuS390State' } }

##
# @CpuInfoFast:
#
# Information about a virtual CPU
#
# @cpu-index: index of the virtual CPU
#
# @qom-path: path to the CPU object in the QOM tree
#
# @thread-id: ID of the underlying host thread
#
# @props: properties describing to which node/socket/core/thread
#         virtual CPU belongs to, provided if supported by board
#
# @arch: base architecture of the cpu
#
# @target: the QEMU system emulation target, which determines which
#          additional fields will be listed (since 3.0)
#
# Features:
# @deprecated: Member @arch is deprecated.  Use @target instead.
#
# Since: 2.12
#
##
{ 'union'         : 'CpuInfoFast',
  'base'          : { 'cpu-index'    : 'int',
                      'qom-path'     : 'str',
                      'thread-id'    : 'int',
                      '*props'       : 'CpuInstanceProperties',
                      'arch'         : { 'type': 'CpuInfoArch',
                                         'features': [ 'deprecated' ] },
                      'target'       : 'SysEmuTarget' },
  'discriminator' : 'target',
  'data'          : { 's390x'        : 'CpuInfoS390' } }

##
# @query-cpus-fast:
#
# Returns information about all virtual CPUs.
#
# Returns: list of @CpuInfoFast
#
# Since: 2.12
#
# Example:
#
# -> { "execute": "query-cpus-fast" }
# <- { "return": [
#         {
#             "thread-id": 25627,
#             "props": {
#                 "core-id": 0,
#                 "thread-id": 0,
#                 "socket-id": 0
#             },
#             "qom-path": "/machine/unattached/device[0]",
#             "arch":"x86",
#             "target":"x86_64",
#             "cpu-index": 0
#         },
#         {
#             "thread-id": 25628,
#             "props": {
#                 "core-id": 0,
#                 "thread-id": 0,
#                 "socket-id": 1
#             },
#             "qom-path": "/machine/unattached/device[2]",
#             "arch":"x86",
#             "target":"x86_64",
#             "cpu-index": 1
#         }
#     ]
# }
##
{ 'command': 'query-cpus-fast', 'returns': [ 'CpuInfoFast' ] }

##
# @MachineInfo:
#
# Information describing a machine.
#
# @name: the name of the machine
#
# @alias: an alias for the machine name
#
# @is-default: whether the machine is default
#
# @cpu-max: maximum number of CPUs supported by the machine type
#           (since 1.5)
#
# @hotpluggable-cpus: cpu hotplug via -device is supported (since 2.7)
#
# @numa-mem-supported: true if '-numa node,mem' option is supported by
#                      the machine type and false otherwise (since 4.1)
#
# @deprecated: if true, the machine type is deprecated and may be removed
#              in future versions of QEMU according to the QEMU deprecation
#              policy (since 4.1)
#
# @default-cpu-type: default CPU model typename if none is requested via
#                    the -cpu argument. (since 4.2)
#
# @default-ram-id: the default ID of initial RAM memory backend (since 5.2)
#
# Since: 1.2
##
{ 'struct': 'MachineInfo',
  'data': { 'name': 'str', '*alias': 'str',
            '*is-default': 'bool', 'cpu-max': 'int',
            'hotpluggable-cpus': 'bool',  'numa-mem-supported': 'bool',
            'deprecated': 'bool', '*default-cpu-type': 'str',
            '*default-ram-id': 'str' } }

##
# @query-machines:
#
# Return a list of supported machines
#
# Returns: a list of MachineInfo
#
# Since: 1.2
##
{ 'command': 'query-machines', 'returns': ['MachineInfo'] }

##
# @CurrentMachineParams:
#
# Information describing the running machine parameters.
#
# @wakeup-suspend-support: true if the machine supports wake up from
#                          suspend
#
# Since: 4.0
##
{ 'struct': 'CurrentMachineParams',
  'data': { 'wakeup-suspend-support': 'bool'} }

##
# @query-current-machine:
#
# Return information on the current virtual machine.
#
# Returns: CurrentMachineParams
#
# Since: 4.0
##
{ 'command': 'query-current-machine', 'returns': 'CurrentMachineParams' }

##
# @TargetInfo:
#
# Information describing the QEMU target.
#
# @arch: the target architecture
#
# Since: 1.2
##
{ 'struct': 'TargetInfo',
  'data': { 'arch': 'SysEmuTarget' } }

##
# @query-target:
#
# Return information about the target for this QEMU
#
# Returns: TargetInfo
#
# Since: 1.2
##
{ 'command': 'query-target', 'returns': 'TargetInfo' }

##
# @UuidInfo:
#
# Guest UUID information (Universally Unique Identifier).
#
# @UUID: the UUID of the guest
#
# Since: 0.14
#
# Notes: If no UUID was specified for the guest, a null UUID is returned.
##
{ 'struct': 'UuidInfo', 'data': {'UUID': 'str'} }

##
# @query-uuid:
#
# Query the guest UUID information.
#
# Returns: The @UuidInfo for the guest
#
# Since: 0.14
#
# Example:
#
# -> { "execute": "query-uuid" }
# <- { "return": { "UUID": "550e8400-e29b-41d4-a716-446655440000" } }
#
##
{ 'command': 'query-uuid', 'returns': 'UuidInfo', 'allow-preconfig': true }

##
# @GuidInfo:
#
# GUID information.
#
# @guid: the globally unique identifier
#
# Since: 2.9
##
{ 'struct': 'GuidInfo', 'data': {'guid': 'str'} }

##
# @query-vm-generation-id:
#
# Show Virtual Machine Generation ID
#
# Since: 2.9
##
{ 'command': 'query-vm-generation-id', 'returns': 'GuidInfo' }

##
# @system_reset:
#
# Performs a hard reset of a guest.
#
# Since: 0.14
#
# Example:
#
# -> { "execute": "system_reset" }
# <- { "return": {} }
#
##
{ 'command': 'system_reset' }

##
# @system_powerdown:
#
# Requests that a guest perform a powerdown operation.
#
# Since: 0.14
#
# Notes: A guest may or may not respond to this command.  This command
#        returning does not indicate that a guest has accepted the request or
#        that it has shut down.  Many guests will respond to this command by
#        prompting the user in some way.
# Example:
#
# -> { "execute": "system_powerdown" }
# <- { "return": {} }
#
##
{ 'command': 'system_powerdown' }

##
# @system_wakeup:
#
# Wake up guest from suspend. If the guest has wake-up from suspend
# support enabled (wakeup-suspend-support flag from
# query-current-machine), wake-up guest from suspend if the guest is
# in SUSPENDED state. Return an error otherwise.
#
# Since:  1.1
#
# Returns:  nothing.
#
# Note: prior to 4.0, this command does nothing in case the guest
#       isn't suspended.
#
# Example:
#
# -> { "execute": "system_wakeup" }
# <- { "return": {} }
#
##
{ 'command': 'system_wakeup' }

##
# @LostTickPolicy:
#
# Policy for handling lost ticks in timer devices.  Ticks end up getting
# lost when, for example, the guest is paused.
#
# @discard: throw away the missed ticks and continue with future injection
#           normally.  The guest OS will see the timer jump ahead by a
#           potentially quite significant amount all at once, as if the
#           intervening chunk of time had simply not existed; needless to
#           say, such a sudden jump can easily confuse a guest OS which is
#           not specifically prepared to deal with it.  Assuming the guest
#           OS can deal correctly with the time jump, the time in the guest
#           and in the host should now match.
#
# @delay: continue to deliver ticks at the normal rate.  The guest OS will
#         not notice anything is amiss, as from its point of view time will
#         have continued to flow normally.  The time in the guest should now
#         be behind the time in the host by exactly the amount of time during
#         which ticks have been missed.
#
# @slew: deliver ticks at a higher rate to catch up with the missed ticks.
#        The guest OS will not notice anything is amiss, as from its point
#        of view time will have continued to flow normally.  Once the timer
#        has managed to catch up with all the missing ticks, the time in
#        the guest and in the host should match.
#
# Since: 2.0
##
{ 'enum': 'LostTickPolicy',
  'data': ['discard', 'delay', 'slew' ] }

##
# @inject-nmi:
#
# Injects a Non-Maskable Interrupt into the default CPU (x86/s390) or all CPUs (ppc64).
# The command fails when the guest doesn't support injecting.
#
# Returns:  If successful, nothing
#
# Since:  0.14
#
# Note: prior to 2.1, this command was only supported for x86 and s390 VMs
#
# Example:
#
# -> { "execute": "inject-nmi" }
# <- { "return": {} }
#
##
{ 'command': 'inject-nmi' }

##
# @KvmInfo:
#
# Information about support for KVM acceleration
#
# @enabled: true if KVM acceleration is active
#
# @present: true if KVM acceleration is built into this executable
#
# Since: 0.14
##
{ 'struct': 'KvmInfo', 'data': {'enabled': 'bool', 'present': 'bool'} }

##
# @query-kvm:
#
# Returns information about KVM acceleration
#
# Returns: @KvmInfo
#
# Since: 0.14
#
# Example:
#
# -> { "execute": "query-kvm" }
# <- { "return": { "enabled": true, "present": true } }
#
##
{ 'command': 'query-kvm', 'returns': 'KvmInfo' }

##
# @NumaOptionsType:
#
# @node: NUMA nodes configuration
#
# @dist: NUMA distance configuration (since 2.10)
#
# @cpu: property based CPU(s) to node mapping (Since: 2.10)
#
# @hmat-lb: memory latency and bandwidth information (Since: 5.0)
#
# @hmat-cache: memory side cache information (Since: 5.0)
#
# Since: 2.1
##
{ 'enum': 'NumaOptionsType',
  'data': [ 'node', 'dist', 'cpu', 'hmat-lb', 'hmat-cache' ] }

##
# @NumaOptions:
#
# A discriminated record of NUMA options. (for OptsVisitor)
#
# Since: 2.1
##
{ 'union': 'NumaOptions',
  'base': { 'type': 'NumaOptionsType' },
  'discriminator': 'type',
  'data': {
    'node': 'NumaNodeOptions',
    'dist': 'NumaDistOptions',
    'cpu': 'NumaCpuOptions',
    'hmat-lb': 'NumaHmatLBOptions',
    'hmat-cache': 'NumaHmatCacheOptions' }}

##
# @NumaNodeOptions:
#
# Create a guest NUMA node. (for OptsVisitor)
#
# @nodeid: NUMA node ID (increase by 1 from 0 if omitted)
#
# @cpus: VCPUs belonging to this node (assign VCPUS round-robin
#         if omitted)
#
# @mem: memory size of this node; mutually exclusive with @memdev.
#       Equally divide total memory among nodes if both @mem and @memdev are
#       omitted.
#
# @memdev: memory backend object.  If specified for one node,
#          it must be specified for all nodes.
#
# @initiator: defined in ACPI 6.3 Chapter 5.2.27.3 Table 5-145,
#             points to the nodeid which has the memory controller
#             responsible for this NUMA node. This field provides
#             additional information as to the initiator node that
#             is closest (as in directly attached) to this node, and
#             therefore has the best performance (since 5.0)
#
# Since: 2.1
##
{ 'struct': 'NumaNodeOptions',
  'data': {
   '*nodeid': 'uint16',
   '*cpus':   ['uint16'],
   '*mem':    'size',
   '*memdev': 'str',
   '*initiator': 'uint16' }}

##
# @NumaDistOptions:
#
# Set the distance between 2 NUMA nodes.
#
# @src: source NUMA node.
#
# @dst: destination NUMA node.
#
# @val: NUMA distance from source node to destination node.
#       When a node is unreachable from another node, set the distance
#       between them to 255.
#
# Since: 2.10
##
{ 'struct': 'NumaDistOptions',
  'data': {
   'src': 'uint16',
   'dst': 'uint16',
   'val': 'uint8' }}

##
# @X86CPURegister32:
#
# A X86 32-bit register
#
# Since: 1.5
##
{ 'enum': 'X86CPURegister32',
  'data': [ 'EAX', 'EBX', 'ECX', 'EDX', 'ESP', 'EBP', 'ESI', 'EDI' ] }

##
# @X86CPUFeatureWordInfo:
#
# Information about a X86 CPU feature word
#
# @cpuid-input-eax: Input EAX value for CPUID instruction for that feature word
#
# @cpuid-input-ecx: Input ECX value for CPUID instruction for that
#                   feature word
#
# @cpuid-register: Output register containing the feature bits
#
# @features: value of output register, containing the feature bits
#
# Since: 1.5
##
{ 'struct': 'X86CPUFeatureWordInfo',
  'data': { 'cpuid-input-eax': 'int',
            '*cpuid-input-ecx': 'int',
            'cpuid-register': 'X86CPURegister32',
            'features': 'int' } }

##
# @DummyForceArrays:
#
# Not used by QMP; hack to let us use X86CPUFeatureWordInfoList internally
#
# Since: 2.5
##
{ 'struct': 'DummyForceArrays',
  'data': { 'unused': ['X86CPUFeatureWordInfo'] } }

##
# @NumaCpuOptions:
#
# Option "-numa cpu" overrides default cpu to node mapping.
# It accepts the same set of cpu properties as returned by
# query-hotpluggable-cpus[].props, where node-id could be used to
# override default node mapping.
#
# Since: 2.10
##
{ 'struct': 'NumaCpuOptions',
   'base': 'CpuInstanceProperties',
   'data' : {} }

##
# @HmatLBMemoryHierarchy:
#
# The memory hierarchy in the System Locality Latency and Bandwidth
# Information Structure of HMAT (Heterogeneous Memory Attribute Table)
#
# For more information about @HmatLBMemoryHierarchy, see chapter
# 5.2.27.4: Table 5-146: Field "Flags" of ACPI 6.3 spec.
#
# @memory: the structure represents the memory performance
#
# @first-level: first level of memory side cache
#
# @second-level: second level of memory side cache
#
# @third-level: third level of memory side cache
#
# Since: 5.0
##
{ 'enum': 'HmatLBMemoryHierarchy',
  'data': [ 'memory', 'first-level', 'second-level', 'third-level' ] }

##
# @HmatLBDataType:
#
# Data type in the System Locality Latency and Bandwidth
# Information Structure of HMAT (Heterogeneous Memory Attribute Table)
#
# For more information about @HmatLBDataType, see chapter
# 5.2.27.4: Table 5-146:  Field "Data Type" of ACPI 6.3 spec.
#
# @access-latency: access latency (nanoseconds)
#
# @read-latency: read latency (nanoseconds)
#
# @write-latency: write latency (nanoseconds)
#
# @access-bandwidth: access bandwidth (Bytes per second)
#
# @read-bandwidth: read bandwidth (Bytes per second)
#
# @write-bandwidth: write bandwidth (Bytes per second)
#
# Since: 5.0
##
{ 'enum': 'HmatLBDataType',
  'data': [ 'access-latency', 'read-latency', 'write-latency',
            'access-bandwidth', 'read-bandwidth', 'write-bandwidth' ] }

##
# @NumaHmatLBOptions:
#
# Set the system locality latency and bandwidth information
# between Initiator and Target proximity Domains.
#
# For more information about @NumaHmatLBOptions, see chapter
# 5.2.27.4: Table 5-146 of ACPI 6.3 spec.
#
# @initiator: the Initiator Proximity Domain.
#
# @target: the Target Proximity Domain.
#
# @hierarchy: the Memory Hierarchy. Indicates the performance
#             of memory or side cache.
#
# @data-type: presents the type of data, access/read/write
#             latency or hit latency.
#
# @latency: the value of latency from @initiator to @target
#           proximity domain, the latency unit is "ns(nanosecond)".
#
# @bandwidth: the value of bandwidth between @initiator and @target
#             proximity domain, the bandwidth unit is
#             "Bytes per second".
#
# Since: 5.0
##
{ 'struct': 'NumaHmatLBOptions',
    'data': {
    'initiator': 'uint16',
    'target': 'uint16',
    'hierarchy': 'HmatLBMemoryHierarchy',
    'data-type': 'HmatLBDataType',
    '*latency': 'uint64',
    '*bandwidth': 'size' }}

##
# @HmatCacheAssociativity:
#
# Cache associativity in the Memory Side Cache Information Structure
# of HMAT
#
# For more information of @HmatCacheAssociativity, see chapter
# 5.2.27.5: Table 5-147 of ACPI 6.3 spec.
#
# @none: None (no memory side cache in this proximity domain,
#              or cache associativity unknown)
#
# @direct: Direct Mapped
#
# @complex: Complex Cache Indexing (implementation specific)
#
# Since: 5.0
##
{ 'enum': 'HmatCacheAssociativity',
  'data': [ 'none', 'direct', 'complex' ] }

##
# @HmatCacheWritePolicy:
#
# Cache write policy in the Memory Side Cache Information Structure
# of HMAT
#
# For more information of @HmatCacheWritePolicy, see chapter
# 5.2.27.5: Table 5-147: Field "Cache Attributes" of ACPI 6.3 spec.
#
# @none: None (no memory side cache in this proximity domain,
#        or cache write policy unknown)
#
# @write-back: Write Back (WB)
#
# @write-through: Write Through (WT)
#
# Since: 5.0
##
{ 'enum': 'HmatCacheWritePolicy',
  'data': [ 'none', 'write-back', 'write-through' ] }

##
# @NumaHmatCacheOptions:
#
# Set the memory side cache information for a given memory domain.
#
# For more information of @NumaHmatCacheOptions, see chapter
# 5.2.27.5: Table 5-147: Field "Cache Attributes" of ACPI 6.3 spec.
#
# @node-id: the memory proximity domain to which the memory belongs.
#
# @size: the size of memory side cache in bytes.
#
# @level: the cache level described in this structure.
#
# @associativity: the cache associativity,
#                 none/direct-mapped/complex(complex cache indexing).
#
# @policy: the write policy, none/write-back/write-through.
#
# @line: the cache Line size in bytes.
#
# Since: 5.0
##
{ 'struct': 'NumaHmatCacheOptions',
  'data': {
   'node-id': 'uint32',
   'size': 'size',
   'level': 'uint8',
   'associativity': 'HmatCacheAssociativity',
   'policy': 'HmatCacheWritePolicy',
   'line': 'uint16' }}

##
# @HostMemPolicy:
#
# Host memory policy types
#
# @default: restore default policy, remove any nondefault policy
#
# @preferred: set the preferred host nodes for allocation
#
# @bind: a strict policy that restricts memory allocation to the
#        host nodes specified
#
# @interleave: memory allocations are interleaved across the set
#              of host nodes specified
#
# Since: 2.1
##
{ 'enum': 'HostMemPolicy',
  'data': [ 'default', 'preferred', 'bind', 'interleave' ] }

##
# @memsave:
#
# Save a portion of guest memory to a file.
#
# @val: the virtual address of the guest to start from
#
# @size: the size of memory region to save
#
# @filename: the file to save the memory to as binary data
#
# @cpu-index: the index of the virtual CPU to use for translating the
#             virtual address (defaults to CPU 0)
#
# Returns: Nothing on success
#
# Since: 0.14
#
# Notes: Errors were not reliably returned until 1.1
#
# Example:
#
# -> { "execute": "memsave",
#      "arguments": { "val": 10,
#                     "size": 100,
#                     "filename": "/tmp/virtual-mem-dump" } }
# <- { "return": {} }
#
##
{ 'command': 'memsave',
  'data': {'val': 'int', 'size': 'int', 'filename': 'str', '*cpu-index': 'int'} }

##
# @pmemsave:
#
# Save a portion of guest physical memory to a file.
#
# @val: the physical address of the guest to start from
#
# @size: the size of memory region to save
#
# @filename: the file to save the memory to as binary data
#
# Returns: Nothing on success
#
# Since: 0.14
#
# Notes: Errors were not reliably returned until 1.1
#
# Example:
#
# -> { "execute": "pmemsave",
#      "arguments": { "val": 10,
#                     "size": 100,
#                     "filename": "/tmp/physical-mem-dump" } }
# <- { "return": {} }
#
##
{ 'command': 'pmemsave',
  'data': {'val': 'int', 'size': 'int', 'filename': 'str'} }

##
# @Memdev:
#
# Information about memory backend
#
# @id: backend's ID if backend has 'id' property (since 2.9)
#
# @size: memory backend size
#
# @merge: enables or disables memory merge support
#
# @dump: includes memory backend's memory in a core dump or not
#
# @prealloc: enables or disables memory preallocation
#
# @host-nodes: host nodes for its memory policy
#
# @policy: memory policy of memory backend
#
# Since: 2.1
##
{ 'struct': 'Memdev',
  'data': {
    '*id':        'str',
    'size':       'size',
    'merge':      'bool',
    'dump':       'bool',
    'prealloc':   'bool',
    'host-nodes': ['uint16'],
    'policy':     'HostMemPolicy' }}

##
# @query-memdev:
#
# Returns information for all memory backends.
#
# Returns: a list of @Memdev.
#
# Since: 2.1
#
# Example:
#
# -> { "execute": "query-memdev" }
# <- { "return": [
#        {
#          "id": "mem1",
#          "size": 536870912,
#          "merge": false,
#          "dump": true,
#          "prealloc": false,
#          "host-nodes": [0, 1],
#          "policy": "bind"
#        },
#        {
#          "size": 536870912,
#          "merge": false,
#          "dump": true,
#          "prealloc": true,
#          "host-nodes": [2, 3],
#          "policy": "preferred"
#        }
#      ]
#    }
#
##
{ 'command': 'query-memdev', 'returns': ['Memdev'], 'allow-preconfig': true }

##
# @CpuInstanceProperties:
#
# List of properties to be used for hotplugging a CPU instance,
# it should be passed by management with device_add command when
# a CPU is being hotplugged.
#
# @node-id: NUMA node ID the CPU belongs to
# @socket-id: socket number within node/board the CPU belongs to
# @die-id: die number within node/board the CPU belongs to (Since 4.1)
# @core-id: core number within die the CPU belongs to
# @thread-id: thread number within core the CPU belongs to
#
# Note: currently there are 5 properties that could be present
#       but management should be prepared to pass through other
#       properties with device_add command to allow for future
#       interface extension. This also requires the filed names to be kept in
#       sync with the properties passed to -device/device_add.
#
# Since: 2.7
##
{ 'struct': 'CpuInstanceProperties',
  'data': { '*node-id': 'int',
            '*socket-id': 'int',
            '*die-id': 'int',
            '*core-id': 'int',
            '*thread-id': 'int'
  }
}

##
# @HotpluggableCPU:
#
# @type: CPU object type for usage with device_add command
# @props: list of properties to be used for hotplugging CPU
# @vcpus-count: number of logical VCPU threads @HotpluggableCPU provides
# @qom-path: link to existing CPU object if CPU is present or
#            omitted if CPU is not present.
#
# Since: 2.7
##
{ 'struct': 'HotpluggableCPU',
  'data': { 'type': 'str',
            'vcpus-count': 'int',
            'props': 'CpuInstanceProperties',
            '*qom-path': 'str'
          }
}

##
# @query-hotpluggable-cpus:
#
# TODO: Better documentation; currently there is none.
#
# Returns: a list of HotpluggableCPU objects.
#
# Since: 2.7
#
# Example:
#
# For pseries machine type started with -smp 2,cores=2,maxcpus=4 -cpu POWER8:
#
# -> { "execute": "query-hotpluggable-cpus" }
# <- {"return": [
#      { "props": { "core": 8 }, "type": "POWER8-spapr-cpu-core",
#        "vcpus-count": 1 },
#      { "props": { "core": 0 }, "type": "POWER8-spapr-cpu-core",
#        "vcpus-count": 1, "qom-path": "/machine/unattached/device[0]"}
#    ]}'
#
# For pc machine type started with -smp 1,maxcpus=2:
#
# -> { "execute": "query-hotpluggable-cpus" }
# <- {"return": [
#      {
#         "type": "qemu64-x86_64-cpu", "vcpus-count": 1,
#         "props": {"core-id": 0, "socket-id": 1, "thread-id": 0}
#      },
#      {
#         "qom-path": "/machine/unattached/device[0]",
#         "type": "qemu64-x86_64-cpu", "vcpus-count": 1,
#         "props": {"core-id": 0, "socket-id": 0, "thread-id": 0}
#      }
#    ]}
#
# For s390x-virtio-ccw machine type started with -smp 1,maxcpus=2 -cpu qemu
# (Since: 2.11):
#
# -> { "execute": "query-hotpluggable-cpus" }
# <- {"return": [
#      {
#         "type": "qemu-s390x-cpu", "vcpus-count": 1,
#         "props": { "core-id": 1 }
#      },
#      {
#         "qom-path": "/machine/unattached/device[0]",
#         "type": "qemu-s390x-cpu", "vcpus-count": 1,
#         "props": { "core-id": 0 }
#      }
#    ]}
#
##
{ 'command': 'query-hotpluggable-cpus', 'returns': ['HotpluggableCPU'],
             'allow-preconfig': true }

##
# @set-numa-node:
#
# Runtime equivalent of '-numa' CLI option, available at
# preconfigure stage to configure numa mapping before initializing
# machine.
#
# Since 3.0
##
{ 'command': 'set-numa-node', 'boxed': true,
  'data': 'NumaOptions',
  'allow-preconfig': true
}

##
# @balloon:
#
# Request the balloon driver to change its balloon size.
#
# @value: the target logical size of the VM in bytes.
#         We can deduce the size of the balloon using this formula:
#
#            logical_vm_size = vm_ram_size - balloon_size
#
#         From it we have: balloon_size = vm_ram_size - @value
#
# Returns: - Nothing on success
#          - If the balloon driver is enabled but not functional because the KVM
#            kernel module cannot support it, KvmMissingCap
#          - If no balloon device is present, DeviceNotActive
#
# Notes: This command just issues a request to the guest.  When it returns,
#        the balloon size may not have changed.  A guest can change the balloon
#        size independent of this command.
#
# Since: 0.14
#
# Example:
#
# -> { "execute": "balloon", "arguments": { "value": 536870912 } }
# <- { "return": {} }
#
# With a 2.5GiB guest this command inflated the ballon to 3GiB.
#
##
{ 'command': 'balloon', 'data': {'value': 'int'} }

##
# @BalloonInfo:
#
# Information about the guest balloon device.
#
# @actual: the logical size of the VM in bytes
#          Formula used: logical_vm_size = vm_ram_size - balloon_size
#
# Since: 0.14
#
##
{ 'struct': 'BalloonInfo', 'data': {'actual': 'int' } }

##
# @query-balloon:
#
# Return information about the balloon device.
#
# Returns: - @BalloonInfo on success
#          - If the balloon driver is enabled but not functional because the KVM
#            kernel module cannot support it, KvmMissingCap
#          - If no balloon device is present, DeviceNotActive
#
# Since: 0.14
#
# Example:
#
# -> { "execute": "query-balloon" }
# <- { "return": {
#          "actual": 1073741824,
#       }
#    }
#
##
{ 'command': 'query-balloon', 'returns': 'BalloonInfo' }

##
# @BALLOON_CHANGE:
#
# Emitted when the guest changes the actual BALLOON level. This value is
# equivalent to the @actual field return by the 'query-balloon' command
#
# @actual: the logical size of the VM in bytes
#          Formula used: logical_vm_size = vm_ram_size - balloon_size
#
# Note: this event is rate-limited.
#
# Since: 1.2
#
# Example:
#
# <- { "event": "BALLOON_CHANGE",
#      "data": { "actual": 944766976 },
#      "timestamp": { "seconds": 1267020223, "microseconds": 435656 } }
#
##
{ 'event': 'BALLOON_CHANGE',
  'data': { 'actual': 'int' } }

##
# @MemoryInfo:
#
# Actual memory information in bytes.
#
# @base-memory: size of "base" memory specified with command line
#               option -m.
#
# @plugged-memory: size of memory that can be hot-unplugged. This field
#                  is omitted if target doesn't support memory hotplug
#                  (i.e. CONFIG_MEM_DEVICE not defined at build time).
#
# Since: 2.11
##
{ 'struct': 'MemoryInfo',
  'data'  : { 'base-memory': 'size', '*plugged-memory': 'size' } }

##
# @query-memory-size-summary:
#
# Return the amount of initially allocated and present hotpluggable (if
# enabled) memory in bytes.
#
# Example:
#
# -> { "execute": "query-memory-size-summary" }
# <- { "return": { "base-memory": 4294967296, "plugged-memory": 0 } }
#
# Since: 2.11
##
{ 'command': 'query-memory-size-summary', 'returns': 'MemoryInfo' }

##
# @PCDIMMDeviceInfo:
#
# PCDIMMDevice state information
#
# @id: device's ID
#
# @addr: physical address, where device is mapped
#
# @size: size of memory that the device provides
#
# @slot: slot number at which device is plugged in
#
# @node: NUMA node number where device is plugged in
#
# @memdev: memory backend linked with device
#
# @hotplugged: true if device was hotplugged
#
# @hotpluggable: true if device if could be added/removed while machine is running
#
# Since: 2.1
##
{ 'struct': 'PCDIMMDeviceInfo',
  'data': { '*id': 'str',
            'addr': 'int',
            'size': 'int',
            'slot': 'int',
            'node': 'int',
            'memdev': 'str',
            'hotplugged': 'bool',
            'hotpluggable': 'bool'
          }
}

##
# @VirtioPMEMDeviceInfo:
#
# VirtioPMEM state information
#
# @id: device's ID
#
# @memaddr: physical address in memory, where device is mapped
#
# @size: size of memory that the device provides
#
# @memdev: memory backend linked with device
#
# Since: 4.1
##
{ 'struct': 'VirtioPMEMDeviceInfo',
  'data': { '*id': 'str',
            'memaddr': 'size',
            'size': 'size',
            'memdev': 'str'
          }
}

##
# @VirtioMEMDeviceInfo:
#
# VirtioMEMDevice state information
#
# @id: device's ID
#
# @memaddr: physical address in memory, where device is mapped
#
# @requested-size: the user requested size of the device
#
# @size: the (current) size of memory that the device provides
#
# @max-size: the maximum size of memory that the device can provide
#
# @block-size: the block size of memory that the device provides
#
# @node: NUMA node number where device is assigned to
#
# @memdev: memory backend linked with the region
#
# Since: 5.1
##
{ 'struct': 'VirtioMEMDeviceInfo',
  'data': { '*id': 'str',
            'memaddr': 'size',
            'requested-size': 'size',
            'size': 'size',
            'max-size': 'size',
            'block-size': 'size',
            'node': 'int',
            'memdev': 'str'
          }
}

##
# @MemoryDeviceInfo:
#
# Union containing information about a memory device
#
# nvdimm is included since 2.12. virtio-pmem is included since 4.1.
# virtio-mem is included since 5.1.
#
# Since: 2.1
##
{ 'union': 'MemoryDeviceInfo',
  'data': { 'dimm': 'PCDIMMDeviceInfo',
            'nvdimm': 'PCDIMMDeviceInfo',
            'virtio-pmem': 'VirtioPMEMDeviceInfo',
            'virtio-mem': 'VirtioMEMDeviceInfo'
          }
}

##
# @query-memory-devices:
#
# Lists available memory devices and their state
#
# Since: 2.1
#
# Example:
#
# -> { "execute": "query-memory-devices" }
# <- { "return": [ { "data":
#                       { "addr": 5368709120,
#                         "hotpluggable": true,
#                         "hotplugged": true,
#                         "id": "d1",
#                         "memdev": "/objects/memX",
#                         "node": 0,
#                         "size": 1073741824,
#                         "slot": 0},
#                    "type": "dimm"
#                  } ] }
#
##
{ 'command': 'query-memory-devices', 'returns': ['MemoryDeviceInfo'] }

##
# @MEMORY_DEVICE_SIZE_CHANGE:
#
# Emitted when the size of a memory device changes. Only emitted for memory
# devices that can actually change the size (e.g., virtio-mem due to guest
# action).
#
# @id: device's ID
# @size: the new size of memory that the device provides
#
# Note: this event is rate-limited.
#
# Since: 5.1
#
# Example:
#
# <- { "event": "MEMORY_DEVICE_SIZE_CHANGE",
#      "data": { "id": "vm0", "size": 1073741824},
#      "timestamp": { "seconds": 1588168529, "microseconds": 201316 } }
#
##
{ 'event': 'MEMORY_DEVICE_SIZE_CHANGE',
  'data': { '*id': 'str', 'size': 'size' } }


##
# @MEM_UNPLUG_ERROR:
#
# Emitted when memory hot unplug error occurs.
#
# @device: device name
#
# @msg: Informative message
#
# Since: 2.4
#
# Example:
#
# <- { "event": "MEM_UNPLUG_ERROR"
#      "data": { "device": "dimm1",
#                "msg": "acpi: device unplug for unsupported device"
#      },
#      "timestamp": { "seconds": 1265044230, "microseconds": 450486 } }
#
##
{ 'event': 'MEM_UNPLUG_ERROR',
  'data': { 'device': 'str', 'msg': 'str' } }