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
|
# -*- Mode: Python -*-
# vim: filetype=python
#
##
# = Virtio devices
##
##
# @VirtioInfo:
#
# Basic information about a given VirtIODevice
#
# @path: The VirtIODevice's canonical QOM path
#
# @name: Name of the VirtIODevice
#
# Since: 7.1
#
##
{ 'struct': 'VirtioInfo',
'data': { 'path': 'str',
'name': 'str' } }
##
# @x-query-virtio:
#
# Returns a list of all realized VirtIODevices
#
# Features:
# @unstable: This command is meant for debugging.
#
# Returns: List of gathered VirtIODevices
#
# Since: 7.1
#
# Example:
#
# -> { "execute": "x-query-virtio" }
# <- { "return": [
# {
# "name": "virtio-input",
# "path": "/machine/peripheral-anon/device[4]/virtio-backend"
# },
# {
# "name": "virtio-crypto",
# "path": "/machine/peripheral/crypto0/virtio-backend"
# },
# {
# "name": "virtio-scsi",
# "path": "/machine/peripheral-anon/device[2]/virtio-backend"
# },
# {
# "name": "virtio-net",
# "path": "/machine/peripheral-anon/device[1]/virtio-backend"
# },
# {
# "name": "virtio-serial",
# "path": "/machine/peripheral-anon/device[0]/virtio-backend"
# }
# ]
# }
#
##
{ 'command': 'x-query-virtio',
'returns': [ 'VirtioInfo' ],
'features': [ 'unstable' ] }
##
# @VhostStatus:
#
# Information about a vhost device. This information will only be
# displayed if the vhost device is active.
#
# @n-mem-sections: vhost_dev n_mem_sections
#
# @n-tmp-sections: vhost_dev n_tmp_sections
#
# @nvqs: vhost_dev nvqs (number of virtqueues being used)
#
# @vq-index: vhost_dev vq_index
#
# @features: vhost_dev features
#
# @acked-features: vhost_dev acked_features
#
# @backend-features: vhost_dev backend_features
#
# @protocol-features: vhost_dev protocol_features
#
# @max-queues: vhost_dev max_queues
#
# @backend-cap: vhost_dev backend_cap
#
# @log-enabled: vhost_dev log_enabled flag
#
# @log-size: vhost_dev log_size
#
# Since: 7.1
#
##
{ 'struct': 'VhostStatus',
'data': { 'n-mem-sections': 'int',
'n-tmp-sections': 'int',
'nvqs': 'uint32',
'vq-index': 'int',
'features': 'VirtioDeviceFeatures',
'acked-features': 'VirtioDeviceFeatures',
'backend-features': 'VirtioDeviceFeatures',
'protocol-features': 'VhostDeviceProtocols',
'max-queues': 'uint64',
'backend-cap': 'uint64',
'log-enabled': 'bool',
'log-size': 'uint64' } }
##
# @VirtioStatus:
#
# Full status of the virtio device with most VirtIODevice members.
# Also includes the full status of the corresponding vhost device
# if the vhost device is active.
#
# @name: VirtIODevice name
#
# @device-id: VirtIODevice ID
#
# @vhost-started: VirtIODevice vhost_started flag
#
# @guest-features: VirtIODevice guest_features
#
# @host-features: VirtIODevice host_features
#
# @backend-features: VirtIODevice backend_features
#
# @device-endian: VirtIODevice device_endian
#
# @num-vqs: VirtIODevice virtqueue count. This is the number of active
# virtqueues being used by the VirtIODevice.
#
# @status: VirtIODevice configuration status (VirtioDeviceStatus)
#
# @isr: VirtIODevice ISR
#
# @queue-sel: VirtIODevice queue_sel
#
# @vm-running: VirtIODevice vm_running flag
#
# @broken: VirtIODevice broken flag
#
# @disabled: VirtIODevice disabled flag
#
# @use-started: VirtIODevice use_started flag
#
# @started: VirtIODevice started flag
#
# @start-on-kick: VirtIODevice start_on_kick flag
#
# @disable-legacy-check: VirtIODevice disabled_legacy_check flag
#
# @bus-name: VirtIODevice bus_name
#
# @use-guest-notifier-mask: VirtIODevice use_guest_notifier_mask flag
#
# @vhost-dev: Corresponding vhost device info for a given VirtIODevice.
# Present if the given VirtIODevice has an active vhost
# device.
#
# Since: 7.1
#
##
{ 'struct': 'VirtioStatus',
'data': { 'name': 'str',
'device-id': 'uint16',
'vhost-started': 'bool',
'device-endian': 'str',
'guest-features': 'VirtioDeviceFeatures',
'host-features': 'VirtioDeviceFeatures',
'backend-features': 'VirtioDeviceFeatures',
'num-vqs': 'int',
'status': 'VirtioDeviceStatus',
'isr': 'uint8',
'queue-sel': 'uint16',
'vm-running': 'bool',
'broken': 'bool',
'disabled': 'bool',
'use-started': 'bool',
'started': 'bool',
'start-on-kick': 'bool',
'disable-legacy-check': 'bool',
'bus-name': 'str',
'use-guest-notifier-mask': 'bool',
'*vhost-dev': 'VhostStatus' } }
##
# @x-query-virtio-status:
#
# Poll for a comprehensive status of a given virtio device
#
# @path: Canonical QOM path of the VirtIODevice
#
# Features:
# @unstable: This command is meant for debugging.
#
# Returns: VirtioStatus of the virtio device
#
# Since: 7.1
#
# Examples:
#
# 1. Poll for the status of virtio-crypto (no vhost-crypto active)
#
# -> { "execute": "x-query-virtio-status",
# "arguments": { "path": "/machine/peripheral/crypto0/virtio-backend" }
# }
# <- { "return": {
# "device-endian": "little",
# "bus-name": "",
# "disable-legacy-check": false,
# "name": "virtio-crypto",
# "started": true,
# "device-id": 20,
# "backend-features": {
# "transports": [],
# "dev-features": []
# },
# "start-on-kick": false,
# "isr": 1,
# "broken": false,
# "status": {
# "statuses": [
# "VIRTIO_CONFIG_S_ACKNOWLEDGE: Valid virtio device found",
# "VIRTIO_CONFIG_S_DRIVER: Guest OS compatible with device",
# "VIRTIO_CONFIG_S_FEATURES_OK: Feature negotiation complete",
# "VIRTIO_CONFIG_S_DRIVER_OK: Driver setup and ready"
# ]
# },
# "num-vqs": 2,
# "guest-features": {
# "dev-features": [],
# "transports": [
# "VIRTIO_RING_F_EVENT_IDX: Used & avail. event fields enabled",
# "VIRTIO_RING_F_INDIRECT_DESC: Indirect descriptors supported",
# "VIRTIO_F_VERSION_1: Device compliant for v1 spec (legacy)"
# ]
# },
# "host-features": {
# "unknown-dev-features": 1073741824,
# "dev-features": [],
# "transports": [
# "VIRTIO_RING_F_EVENT_IDX: Used & avail. event fields enabled",
# "VIRTIO_RING_F_INDIRECT_DESC: Indirect descriptors supported",
# "VIRTIO_F_VERSION_1: Device compliant for v1 spec (legacy)",
# "VIRTIO_F_ANY_LAYOUT: Device accepts arbitrary desc. layouts",
# "VIRTIO_F_NOTIFY_ON_EMPTY: Notify when device runs out of avail. descs. on VQ"
# ]
# },
# "use-guest-notifier-mask": true,
# "vm-running": true,
# "queue-sel": 1,
# "disabled": false,
# "vhost-started": false,
# "use-started": true
# }
# }
#
# 2. Poll for the status of virtio-net (vhost-net is active)
#
# -> { "execute": "x-query-virtio-status",
# "arguments": { "path": "/machine/peripheral-anon/device[1]/virtio-backend" }
# }
# <- { "return": {
# "device-endian": "little",
# "bus-name": "",
# "disabled-legacy-check": false,
# "name": "virtio-net",
# "started": true,
# "device-id": 1,
# "vhost-dev": {
# "n-tmp-sections": 4,
# "n-mem-sections": 4,
# "max-queues": 1,
# "backend-cap": 2,
# "log-size": 0,
# "backend-features": {
# "dev-features": [],
# "transports": []
# },
# "nvqs": 2,
# "protocol-features": {
# "protocols": []
# },
# "vq-index": 0,
# "log-enabled": false,
# "acked-features": {
# "dev-features": [
# "VIRTIO_NET_F_MRG_RXBUF: Driver can merge receive buffers"
# ],
# "transports": [
# "VIRTIO_RING_F_EVENT_IDX: Used & avail. event fields enabled",
# "VIRTIO_RING_F_INDIRECT_DESC: Indirect descriptors supported",
# "VIRTIO_F_VERSION_1: Device compliant for v1 spec (legacy)"
# ]
# },
# "features": {
# "dev-features": [
# "VHOST_F_LOG_ALL: Logging write descriptors supported",
# "VIRTIO_NET_F_MRG_RXBUF: Driver can merge receive buffers"
# ],
# "transports": [
# "VIRTIO_RING_F_EVENT_IDX: Used & avail. event fields enabled",
# "VIRTIO_RING_F_INDIRECT_DESC: Indirect descriptors supported",
# "VIRTIO_F_IOMMU_PLATFORM: Device can be used on IOMMU platform",
# "VIRTIO_F_VERSION_1: Device compliant for v1 spec (legacy)",
# "VIRTIO_F_ANY_LAYOUT: Device accepts arbitrary desc. layouts",
# "VIRTIO_F_NOTIFY_ON_EMPTY: Notify when device runs out of avail. descs. on VQ"
# ]
# }
# },
# "backend-features": {
# "dev-features": [
# "VHOST_USER_F_PROTOCOL_FEATURES: Vhost-user protocol features negotation supported",
# "VIRTIO_NET_F_GSO: Handling GSO-type packets supported",
# "VIRTIO_NET_F_CTRL_MAC_ADDR: MAC address set through control channel",
# "VIRTIO_NET_F_GUEST_ANNOUNCE: Driver sending gratuitous packets supported",
# "VIRTIO_NET_F_CTRL_RX_EXTRA: Extra RX mode control supported",
# "VIRTIO_NET_F_CTRL_VLAN: Control channel VLAN filtering supported",
# "VIRTIO_NET_F_CTRL_RX: Control channel RX mode supported",
# "VIRTIO_NET_F_CTRL_VQ: Control channel available",
# "VIRTIO_NET_F_STATUS: Configuration status field available",
# "VIRTIO_NET_F_MRG_RXBUF: Driver can merge receive buffers",
# "VIRTIO_NET_F_HOST_UFO: Device can receive UFO",
# "VIRTIO_NET_F_HOST_ECN: Device can receive TSO with ECN",
# "VIRTIO_NET_F_HOST_TSO6: Device can receive TSOv6",
# "VIRTIO_NET_F_HOST_TSO4: Device can receive TSOv4",
# "VIRTIO_NET_F_GUEST_UFO: Driver can receive UFO",
# "VIRTIO_NET_F_GUEST_ECN: Driver can receive TSO with ECN",
# "VIRTIO_NET_F_GUEST_TSO6: Driver can receive TSOv6",
# "VIRTIO_NET_F_GUEST_TSO4: Driver can receive TSOv4",
# "VIRTIO_NET_F_MAC: Device has given MAC address",
# "VIRTIO_NET_F_CTRL_GUEST_OFFLOADS: Control channel offloading reconfig. supported",
# "VIRTIO_NET_F_GUEST_CSUM: Driver handling packets with partial checksum supported",
# "VIRTIO_NET_F_CSUM: Device handling packets with partial checksum supported"
# ],
# "transports": [
# "VIRTIO_RING_F_EVENT_IDX: Used & avail. event fields enabled",
# "VIRTIO_RING_F_INDIRECT_DESC: Indirect descriptors supported",
# "VIRTIO_F_VERSION_1: Device compliant for v1 spec (legacy)",
# "VIRTIO_F_ANY_LAYOUT: Device accepts arbitrary desc. layouts",
# "VIRTIO_F_NOTIFY_ON_EMPTY: Notify when device runs out of avail. descs. on VQ"
# ]
# },
# "start-on-kick": false,
# "isr": 1,
# "broken": false,
# "status": {
# "statuses": [
# "VIRTIO_CONFIG_S_ACKNOWLEDGE: Valid virtio device found",
# "VIRTIO_CONFIG_S_DRIVER: Guest OS compatible with device",
# "VIRTIO_CONFIG_S_FEATURES_OK: Feature negotiation complete",
# "VIRTIO_CONFIG_S_DRIVER_OK: Driver setup and ready"
# ]
# },
# "num-vqs": 3,
# "guest-features": {
# "dev-features": [
# "VIRTIO_NET_F_CTRL_MAC_ADDR: MAC address set through control channel",
# "VIRTIO_NET_F_GUEST_ANNOUNCE: Driver sending gratuitous packets supported",
# "VIRTIO_NET_F_CTRL_VLAN: Control channel VLAN filtering supported",
# "VIRTIO_NET_F_CTRL_RX: Control channel RX mode supported",
# "VIRTIO_NET_F_CTRL_VQ: Control channel available",
# "VIRTIO_NET_F_STATUS: Configuration status field available",
# "VIRTIO_NET_F_MRG_RXBUF: Driver can merge receive buffers",
# "VIRTIO_NET_F_HOST_UFO: Device can receive UFO",
# "VIRTIO_NET_F_HOST_ECN: Device can receive TSO with ECN",
# "VIRTIO_NET_F_HOST_TSO6: Device can receive TSOv6",
# "VIRTIO_NET_F_HOST_TSO4: Device can receive TSOv4",
# "VIRTIO_NET_F_GUEST_UFO: Driver can receive UFO",
# "VIRTIO_NET_F_GUEST_ECN: Driver can receive TSO with ECN",
# "VIRTIO_NET_F_GUEST_TSO6: Driver can receive TSOv6",
# "VIRTIO_NET_F_GUEST_TSO4: Driver can receive TSOv4",
# "VIRTIO_NET_F_MAC: Device has given MAC address",
# "VIRTIO_NET_F_CTRL_GUEST_OFFLOADS: Control channel offloading reconfig. supported",
# "VIRTIO_NET_F_GUEST_CSUM: Driver handling packets with partial checksum supported",
# "VIRTIO_NET_F_CSUM: Device handling packets with partial checksum supported"
# ],
# "transports": [
# "VIRTIO_RING_F_EVENT_IDX: Used & avail. event fields enabled",
# "VIRTIO_RING_F_INDIRECT_DESC: Indirect descriptors supported",
# "VIRTIO_F_VERSION_1: Device compliant for v1 spec (legacy)"
# ]
# },
# "host-features": {
# "dev-features": [
# "VHOST_USER_F_PROTOCOL_FEATURES: Vhost-user protocol features negotation supported",
# "VIRTIO_NET_F_GSO: Handling GSO-type packets supported",
# "VIRTIO_NET_F_CTRL_MAC_ADDR: MAC address set through control channel",
# "VIRTIO_NET_F_GUEST_ANNOUNCE: Driver sending gratuitous packets supported",
# "VIRTIO_NET_F_CTRL_RX_EXTRA: Extra RX mode control supported",
# "VIRTIO_NET_F_CTRL_VLAN: Control channel VLAN filtering supported",
# "VIRTIO_NET_F_CTRL_RX: Control channel RX mode supported",
# "VIRTIO_NET_F_CTRL_VQ: Control channel available",
# "VIRTIO_NET_F_STATUS: Configuration status field available",
# "VIRTIO_NET_F_MRG_RXBUF: Driver can merge receive buffers",
# "VIRTIO_NET_F_HOST_UFO: Device can receive UFO",
# "VIRTIO_NET_F_HOST_ECN: Device can receive TSO with ECN",
# "VIRTIO_NET_F_HOST_TSO6: Device can receive TSOv6",
# "VIRTIO_NET_F_HOST_TSO4: Device can receive TSOv4",
# "VIRTIO_NET_F_GUEST_UFO: Driver can receive UFO",
# "VIRTIO_NET_F_GUEST_ECN: Driver can receive TSO with ECN",
# "VIRTIO_NET_F_GUEST_TSO6: Driver can receive TSOv6",
# "VIRTIO_NET_F_GUEST_TSO4: Driver can receive TSOv4",
# "VIRTIO_NET_F_MAC: Device has given MAC address",
# "VIRTIO_NET_F_CTRL_GUEST_OFFLOADS: Control channel offloading reconfig. supported",
# "VIRTIO_NET_F_GUEST_CSUM: Driver handling packets with partial checksum supported",
# "VIRTIO_NET_F_CSUM: Device handling packets with partial checksum supported"
# ],
# "transports": [
# "VIRTIO_RING_F_EVENT_IDX: Used & avail. event fields enabled",
# "VIRTIO_RING_F_INDIRECT_DESC: Indirect descriptors supported",
# "VIRTIO_F_VERSION_1: Device compliant for v1 spec (legacy)",
# "VIRTIO_F_ANY_LAYOUT: Device accepts arbitrary desc. layouts",
# "VIRTIO_F_NOTIFY_ON_EMPTY: Notify when device runs out of avail. descs. on VQ"
# ]
# },
# "use-guest-notifier-mask": true,
# "vm-running": true,
# "queue-sel": 2,
# "disabled": false,
# "vhost-started": true,
# "use-started": true
# }
# }
#
##
{ 'command': 'x-query-virtio-status',
'data': { 'path': 'str' },
'returns': 'VirtioStatus',
'features': [ 'unstable' ] }
##
# @VirtioDeviceStatus:
#
# A structure defined to list the configuration statuses of a virtio
# device
#
# @statuses: List of decoded configuration statuses of the virtio
# device
#
# @unknown-statuses: Virtio device statuses bitmap that have not been decoded
#
# Since: 7.1
##
{ 'struct': 'VirtioDeviceStatus',
'data': { 'statuses': [ 'str' ],
'*unknown-statuses': 'uint8' } }
##
# @VhostDeviceProtocols:
#
# A structure defined to list the vhost user protocol features of a
# Vhost User device
#
# @protocols: List of decoded vhost user protocol features of a vhost
# user device
#
# @unknown-protocols: Vhost user device protocol features bitmap that
# have not been decoded
#
# Since: 7.1
##
{ 'struct': 'VhostDeviceProtocols',
'data': { 'protocols': [ 'str' ],
'*unknown-protocols': 'uint64' } }
##
# @VirtioDeviceFeatures:
#
# The common fields that apply to most Virtio devices. Some devices
# may not have their own device-specific features (e.g. virtio-rng).
#
# @transports: List of transport features of the virtio device
#
# @dev-features: List of device-specific features (if the device has
# unique features)
#
# @unknown-dev-features: Virtio device features bitmap that have not
# been decoded
#
# Since: 7.1
##
{ 'struct': 'VirtioDeviceFeatures',
'data': { 'transports': [ 'str' ],
'*dev-features': [ 'str' ],
'*unknown-dev-features': 'uint64' } }
##
# @VirtQueueStatus:
#
# Information of a VirtIODevice VirtQueue, including most members of
# the VirtQueue data structure.
#
# @name: Name of the VirtIODevice that uses this VirtQueue
#
# @queue-index: VirtQueue queue_index
#
# @inuse: VirtQueue inuse
#
# @vring-num: VirtQueue vring.num
#
# @vring-num-default: VirtQueue vring.num_default
#
# @vring-align: VirtQueue vring.align
#
# @vring-desc: VirtQueue vring.desc (descriptor area)
#
# @vring-avail: VirtQueue vring.avail (driver area)
#
# @vring-used: VirtQueue vring.used (device area)
#
# @last-avail-idx: VirtQueue last_avail_idx or return of vhost_dev
# vhost_get_vring_base (if vhost active)
#
# @shadow-avail-idx: VirtQueue shadow_avail_idx
#
# @used-idx: VirtQueue used_idx
#
# @signalled-used: VirtQueue signalled_used
#
# @signalled-used-valid: VirtQueue signalled_used_valid flag
#
# Since: 7.1
#
##
{ 'struct': 'VirtQueueStatus',
'data': { 'name': 'str',
'queue-index': 'uint16',
'inuse': 'uint32',
'vring-num': 'uint32',
'vring-num-default': 'uint32',
'vring-align': 'uint32',
'vring-desc': 'uint64',
'vring-avail': 'uint64',
'vring-used': 'uint64',
'*last-avail-idx': 'uint16',
'*shadow-avail-idx': 'uint16',
'used-idx': 'uint16',
'signalled-used': 'uint16',
'signalled-used-valid': 'bool' } }
##
# @x-query-virtio-queue-status:
#
# Return the status of a given VirtIODevice's VirtQueue
#
# @path: VirtIODevice canonical QOM path
#
# @queue: VirtQueue index to examine
#
# Features:
# @unstable: This command is meant for debugging.
#
# Returns: VirtQueueStatus of the VirtQueue
#
# Notes: last_avail_idx will not be displayed in the case where
# the selected VirtIODevice has a running vhost device and
# the VirtIODevice VirtQueue index (queue) does not exist for
# the corresponding vhost device vhost_virtqueue. Also,
# shadow_avail_idx will not be displayed in the case where
# the selected VirtIODevice has a running vhost device.
#
# Since: 7.1
#
# Examples:
#
# 1. Get VirtQueueStatus for virtio-vsock (vhost-vsock running)
#
# -> { "execute": "x-query-virtio-queue-status",
# "arguments": { "path": "/machine/peripheral/vsock0/virtio-backend",
# "queue": 1 }
# }
# <- { "return": {
# "signalled-used": 0,
# "inuse": 0,
# "name": "vhost-vsock",
# "vring-align": 4096,
# "vring-desc": 5217370112,
# "signalled-used-valid": false,
# "vring-num-default": 128,
# "vring-avail": 5217372160,
# "queue-index": 1,
# "last-avail-idx": 0,
# "vring-used": 5217372480,
# "used-idx": 0,
# "vring-num": 128
# }
# }
#
# 2. Get VirtQueueStatus for virtio-serial (no vhost)
#
# -> { "execute": "x-query-virtio-queue-status",
# "arguments": { "path": "/machine/peripheral-anon/device[0]/virtio-backend",
# "queue": 20 }
# }
# <- { "return": {
# "signalled-used": 0,
# "inuse": 0,
# "name": "virtio-serial",
# "vring-align": 4096,
# "vring-desc": 5182074880,
# "signalled-used-valid": false,
# "vring-num-default": 128,
# "vring-avail": 5182076928,
# "queue-index": 20,
# "last-avail-idx": 0,
# "vring-used": 5182077248,
# "used-idx": 0,
# "shadow-avail-idx": 0,
# "vring-num": 128
# }
# }
#
##
{ 'command': 'x-query-virtio-queue-status',
'data': { 'path': 'str', 'queue': 'uint16' },
'returns': 'VirtQueueStatus',
'features': [ 'unstable' ] }
##
# @VirtVhostQueueStatus:
#
# Information of a vhost device's vhost_virtqueue, including most
# members of the vhost_dev vhost_virtqueue data structure.
#
# @name: Name of the VirtIODevice that uses this vhost_virtqueue
#
# @kick: vhost_virtqueue kick
#
# @call: vhost_virtqueue call
#
# @desc: vhost_virtqueue desc
#
# @avail: vhost_virtqueue avail
#
# @used: vhost_virtqueue used
#
# @num: vhost_virtqueue num
#
# @desc-phys: vhost_virtqueue desc_phys (descriptor area phys. addr.)
#
# @desc-size: vhost_virtqueue desc_size
#
# @avail-phys: vhost_virtqueue avail_phys (driver area phys. addr.)
#
# @avail-size: vhost_virtqueue avail_size
#
# @used-phys: vhost_virtqueue used_phys (device area phys. addr.)
#
# @used-size: vhost_virtqueue used_size
#
# Since: 7.1
#
##
{ 'struct': 'VirtVhostQueueStatus',
'data': { 'name': 'str',
'kick': 'int',
'call': 'int',
'desc': 'uint64',
'avail': 'uint64',
'used': 'uint64',
'num': 'int',
'desc-phys': 'uint64',
'desc-size': 'uint32',
'avail-phys': 'uint64',
'avail-size': 'uint32',
'used-phys': 'uint64',
'used-size': 'uint32' } }
##
# @x-query-virtio-vhost-queue-status:
#
# Return information of a given vhost device's vhost_virtqueue
#
# @path: VirtIODevice canonical QOM path
#
# @queue: vhost_virtqueue index to examine
#
# Features:
# @unstable: This command is meant for debugging.
#
# Returns: VirtVhostQueueStatus of the vhost_virtqueue
#
# Since: 7.1
#
# Examples:
#
# 1. Get vhost_virtqueue status for vhost-crypto
#
# -> { "execute": "x-query-virtio-vhost-queue-status",
# "arguments": { "path": "/machine/peripheral/crypto0/virtio-backend",
# "queue": 0 }
# }
# <- { "return": {
# "avail-phys": 5216124928,
# "name": "virtio-crypto",
# "used-phys": 5216127040,
# "avail-size": 2054,
# "desc-size": 16384,
# "used-size": 8198,
# "desc": 140141447430144,
# "num": 1024,
# "call": 0,
# "avail": 140141447446528,
# "desc-phys": 5216108544,
# "used": 140141447448640,
# "kick": 0
# }
# }
#
# 2. Get vhost_virtqueue status for vhost-vsock
#
# -> { "execute": "x-query-virtio-vhost-queue-status",
# "arguments": { "path": "/machine/peripheral/vsock0/virtio-backend",
# "queue": 0 }
# }
# <- { "return": {
# "avail-phys": 5182261248,
# "name": "vhost-vsock",
# "used-phys": 5182261568,
# "avail-size": 262,
# "desc-size": 2048,
# "used-size": 1030,
# "desc": 140141413580800,
# "num": 128,
# "call": 0,
# "avail": 140141413582848,
# "desc-phys": 5182259200,
# "used": 140141413583168,
# "kick": 0
# }
# }
#
##
{ 'command': 'x-query-virtio-vhost-queue-status',
'data': { 'path': 'str', 'queue': 'uint16' },
'returns': 'VirtVhostQueueStatus',
'features': [ 'unstable' ] }
##
# @VirtioRingDesc:
#
# Information regarding the vring descriptor area
#
# @addr: Guest physical address of the descriptor area
#
# @len: Length of the descriptor area
#
# @flags: List of descriptor flags
#
# Since: 7.1
#
##
{ 'struct': 'VirtioRingDesc',
'data': { 'addr': 'uint64',
'len': 'uint32',
'flags': [ 'str' ] } }
##
# @VirtioRingAvail:
#
# Information regarding the avail vring (a.k.a. driver area)
#
# @flags: VRingAvail flags
#
# @idx: VRingAvail index
#
# @ring: VRingAvail ring[] entry at provided index
#
# Since: 7.1
#
##
{ 'struct': 'VirtioRingAvail',
'data': { 'flags': 'uint16',
'idx': 'uint16',
'ring': 'uint16' } }
##
# @VirtioRingUsed:
#
# Information regarding the used vring (a.k.a. device area)
#
# @flags: VRingUsed flags
#
# @idx: VRingUsed index
#
# Since: 7.1
#
##
{ 'struct': 'VirtioRingUsed',
'data': { 'flags': 'uint16',
'idx': 'uint16' } }
##
# @VirtioQueueElement:
#
# Information regarding a VirtQueue's VirtQueueElement including
# descriptor, driver, and device areas
#
# @name: Name of the VirtIODevice that uses this VirtQueue
#
# @index: Index of the element in the queue
#
# @descs: List of descriptors (VirtioRingDesc)
#
# @avail: VRingAvail info
#
# @used: VRingUsed info
#
# Since: 7.1
#
##
{ 'struct': 'VirtioQueueElement',
'data': { 'name': 'str',
'index': 'uint32',
'descs': [ 'VirtioRingDesc' ],
'avail': 'VirtioRingAvail',
'used': 'VirtioRingUsed' } }
##
# @x-query-virtio-queue-element:
#
# Return the information about a VirtQueue's VirtQueueElement
#
# @path: VirtIODevice canonical QOM path
#
# @queue: VirtQueue index to examine
#
# @index: Index of the element in the queue
# (default: head of the queue)
#
# Features:
# @unstable: This command is meant for debugging.
#
# Returns: VirtioQueueElement information
#
# Since: 7.1
#
# Examples:
#
# 1. Introspect on virtio-net's VirtQueue 0 at index 5
#
# -> { "execute": "x-query-virtio-queue-element",
# "arguments": { "path": "/machine/peripheral-anon/device[1]/virtio-backend",
# "queue": 0,
# "index": 5 }
# }
# <- { "return": {
# "index": 5,
# "name": "virtio-net",
# "descs": [
# {
# "flags": ["write"],
# "len": 1536,
# "addr": 5257305600
# }
# ],
# "avail": {
# "idx": 256,
# "flags": 0,
# "ring": 5
# },
# "used": {
# "idx": 13,
# "flags": 0
# }
# }
# }
#
# 2. Introspect on virtio-crypto's VirtQueue 1 at head
#
# -> { "execute": "x-query-virtio-queue-element",
# "arguments": { "path": "/machine/peripheral/crypto0/virtio-backend",
# "queue": 1 }
# }
# <- { "return": {
# "index": 0,
# "name": "virtio-crypto",
# "descs": [
# {
# "flags": [],
# "len": 0,
# "addr": 8080268923184214134
# }
# ],
# "avail": {
# "idx": 280,
# "flags": 0,
# "ring": 0
# },
# "used": {
# "idx": 280,
# "flags": 0
# }
# }
# }
#
# 3. Introspect on virtio-scsi's VirtQueue 2 at head
#
# -> { "execute": "x-query-virtio-queue-element",
# "arguments": { "path": "/machine/peripheral-anon/device[2]/virtio-backend",
# "queue": 2 }
# }
# <- { "return": {
# "index": 19,
# "name": "virtio-scsi",
# "descs": [
# {
# "flags": ["used", "indirect", "write"],
# "len": 4099327944,
# "addr": 12055409292258155293
# }
# ],
# "avail": {
# "idx": 1147,
# "flags": 0,
# "ring": 19
# },
# "used": {
# "idx": 280,
# "flags": 0
# }
# }
# }
#
##
{ 'command': 'x-query-virtio-queue-element',
'data': { 'path': 'str', 'queue': 'uint16', '*index': 'uint16' },
'returns': 'VirtioQueueElement',
'features': [ 'unstable' ] }
|
