]> git.proxmox.com Git - mirror_qemu.git/blame - qapi/virtio.json
Merge tag 'pull-target-arm-20221104' of https://git.linaro.org/people/pmaydell/qemu...
[mirror_qemu.git] / qapi / virtio.json
CommitLineData
a5ebce38
LV
1# -*- Mode: Python -*-
2# vim: filetype=python
3#
4
5##
6# = Virtio devices
7##
8
9##
10# @VirtioInfo:
11#
12# Basic information about a given VirtIODevice
13#
14# @path: The VirtIODevice's canonical QOM path
15#
16# @name: Name of the VirtIODevice
17#
18# Since: 7.1
19#
20##
21{ 'struct': 'VirtioInfo',
22 'data': { 'path': 'str',
23 'name': 'str' } }
24
25##
26# @x-query-virtio:
27#
28# Returns a list of all realized VirtIODevices
29#
30# Features:
31# @unstable: This command is meant for debugging.
32#
33# Returns: List of gathered VirtIODevices
34#
35# Since: 7.1
36#
37# Example:
38#
39# -> { "execute": "x-query-virtio" }
40# <- { "return": [
41# {
42# "name": "virtio-input",
43# "path": "/machine/peripheral-anon/device[4]/virtio-backend"
44# },
45# {
46# "name": "virtio-crypto",
47# "path": "/machine/peripheral/crypto0/virtio-backend"
48# },
49# {
50# "name": "virtio-scsi",
51# "path": "/machine/peripheral-anon/device[2]/virtio-backend"
52# },
53# {
54# "name": "virtio-net",
55# "path": "/machine/peripheral-anon/device[1]/virtio-backend"
56# },
57# {
58# "name": "virtio-serial",
59# "path": "/machine/peripheral-anon/device[0]/virtio-backend"
60# }
61# ]
62# }
63#
64##
65
66{ 'command': 'x-query-virtio',
67 'returns': [ 'VirtioInfo' ],
68 'features': [ 'unstable' ] }
90c066cd
LV
69
70##
71# @VhostStatus:
72#
73# Information about a vhost device. This information will only be
74# displayed if the vhost device is active.
75#
76# @n-mem-sections: vhost_dev n_mem_sections
77#
78# @n-tmp-sections: vhost_dev n_tmp_sections
79#
80# @nvqs: vhost_dev nvqs (number of virtqueues being used)
81#
82# @vq-index: vhost_dev vq_index
83#
84# @features: vhost_dev features
85#
86# @acked-features: vhost_dev acked_features
87#
88# @backend-features: vhost_dev backend_features
89#
90# @protocol-features: vhost_dev protocol_features
91#
92# @max-queues: vhost_dev max_queues
93#
94# @backend-cap: vhost_dev backend_cap
95#
96# @log-enabled: vhost_dev log_enabled flag
97#
98# @log-size: vhost_dev log_size
99#
100# Since: 7.1
101#
102##
103
104{ 'struct': 'VhostStatus',
105 'data': { 'n-mem-sections': 'int',
106 'n-tmp-sections': 'int',
107 'nvqs': 'uint32',
108 'vq-index': 'int',
f3034ad7
LV
109 'features': 'VirtioDeviceFeatures',
110 'acked-features': 'VirtioDeviceFeatures',
111 'backend-features': 'VirtioDeviceFeatures',
112 'protocol-features': 'VhostDeviceProtocols',
90c066cd
LV
113 'max-queues': 'uint64',
114 'backend-cap': 'uint64',
115 'log-enabled': 'bool',
116 'log-size': 'uint64' } }
117
118##
119# @VirtioStatus:
120#
121# Full status of the virtio device with most VirtIODevice members.
122# Also includes the full status of the corresponding vhost device
123# if the vhost device is active.
124#
125# @name: VirtIODevice name
126#
127# @device-id: VirtIODevice ID
128#
129# @vhost-started: VirtIODevice vhost_started flag
130#
131# @guest-features: VirtIODevice guest_features
132#
133# @host-features: VirtIODevice host_features
134#
135# @backend-features: VirtIODevice backend_features
136#
137# @device-endian: VirtIODevice device_endian
138#
139# @num-vqs: VirtIODevice virtqueue count. This is the number of active
140# virtqueues being used by the VirtIODevice.
141#
142# @status: VirtIODevice configuration status (VirtioDeviceStatus)
143#
144# @isr: VirtIODevice ISR
145#
146# @queue-sel: VirtIODevice queue_sel
147#
148# @vm-running: VirtIODevice vm_running flag
149#
150# @broken: VirtIODevice broken flag
151#
152# @disabled: VirtIODevice disabled flag
153#
154# @use-started: VirtIODevice use_started flag
155#
156# @started: VirtIODevice started flag
157#
158# @start-on-kick: VirtIODevice start_on_kick flag
159#
160# @disable-legacy-check: VirtIODevice disabled_legacy_check flag
161#
162# @bus-name: VirtIODevice bus_name
163#
164# @use-guest-notifier-mask: VirtIODevice use_guest_notifier_mask flag
165#
166# @vhost-dev: Corresponding vhost device info for a given VirtIODevice.
167# Present if the given VirtIODevice has an active vhost
168# device.
169#
170# Since: 7.1
171#
172##
173
174{ 'struct': 'VirtioStatus',
175 'data': { 'name': 'str',
176 'device-id': 'uint16',
177 'vhost-started': 'bool',
178 'device-endian': 'str',
f3034ad7
LV
179 'guest-features': 'VirtioDeviceFeatures',
180 'host-features': 'VirtioDeviceFeatures',
181 'backend-features': 'VirtioDeviceFeatures',
90c066cd 182 'num-vqs': 'int',
f3034ad7 183 'status': 'VirtioDeviceStatus',
90c066cd
LV
184 'isr': 'uint8',
185 'queue-sel': 'uint16',
186 'vm-running': 'bool',
187 'broken': 'bool',
188 'disabled': 'bool',
189 'use-started': 'bool',
190 'started': 'bool',
191 'start-on-kick': 'bool',
192 'disable-legacy-check': 'bool',
193 'bus-name': 'str',
194 'use-guest-notifier-mask': 'bool',
195 '*vhost-dev': 'VhostStatus' } }
196
197##
198# @x-query-virtio-status:
199#
200# Poll for a comprehensive status of a given virtio device
201#
202# @path: Canonical QOM path of the VirtIODevice
203#
204# Features:
205# @unstable: This command is meant for debugging.
206#
207# Returns: VirtioStatus of the virtio device
208#
209# Since: 7.1
210#
211# Examples:
212#
213# 1. Poll for the status of virtio-crypto (no vhost-crypto active)
214#
215# -> { "execute": "x-query-virtio-status",
216# "arguments": { "path": "/machine/peripheral/crypto0/virtio-backend" }
217# }
218# <- { "return": {
219# "device-endian": "little",
220# "bus-name": "",
221# "disable-legacy-check": false,
222# "name": "virtio-crypto",
223# "started": true,
224# "device-id": 20,
f3034ad7
LV
225# "backend-features": {
226# "transports": [],
227# "dev-features": []
228# },
90c066cd
LV
229# "start-on-kick": false,
230# "isr": 1,
231# "broken": false,
f3034ad7
LV
232# "status": {
233# "statuses": [
234# "VIRTIO_CONFIG_S_ACKNOWLEDGE: Valid virtio device found",
235# "VIRTIO_CONFIG_S_DRIVER: Guest OS compatible with device",
236# "VIRTIO_CONFIG_S_FEATURES_OK: Feature negotiation complete",
237# "VIRTIO_CONFIG_S_DRIVER_OK: Driver setup and ready"
238# ]
239# },
90c066cd 240# "num-vqs": 2,
f3034ad7
LV
241# "guest-features": {
242# "dev-features": [],
243# "transports": [
244# "VIRTIO_RING_F_EVENT_IDX: Used & avail. event fields enabled",
245# "VIRTIO_RING_F_INDIRECT_DESC: Indirect descriptors supported",
246# "VIRTIO_F_VERSION_1: Device compliant for v1 spec (legacy)"
247# ]
248# },
249# "host-features": {
250# "unknown-dev-features": 1073741824,
251# "dev-features": [],
252# "transports": [
253# "VIRTIO_RING_F_EVENT_IDX: Used & avail. event fields enabled",
254# "VIRTIO_RING_F_INDIRECT_DESC: Indirect descriptors supported",
255# "VIRTIO_F_VERSION_1: Device compliant for v1 spec (legacy)",
256# "VIRTIO_F_ANY_LAYOUT: Device accepts arbitrary desc. layouts",
257# "VIRTIO_F_NOTIFY_ON_EMPTY: Notify when device runs out of avail. descs. on VQ"
258# ]
259# },
90c066cd
LV
260# "use-guest-notifier-mask": true,
261# "vm-running": true,
262# "queue-sel": 1,
263# "disabled": false,
264# "vhost-started": false,
265# "use-started": true
266# }
267# }
268#
269# 2. Poll for the status of virtio-net (vhost-net is active)
270#
271# -> { "execute": "x-query-virtio-status",
272# "arguments": { "path": "/machine/peripheral-anon/device[1]/virtio-backend" }
273# }
274# <- { "return": {
275# "device-endian": "little",
276# "bus-name": "",
277# "disabled-legacy-check": false,
278# "name": "virtio-net",
279# "started": true,
280# "device-id": 1,
281# "vhost-dev": {
282# "n-tmp-sections": 4,
283# "n-mem-sections": 4,
284# "max-queues": 1,
285# "backend-cap": 2,
286# "log-size": 0,
f3034ad7
LV
287# "backend-features": {
288# "dev-features": [],
289# "transports": []
290# },
90c066cd 291# "nvqs": 2,
f3034ad7
LV
292# "protocol-features": {
293# "protocols": []
294# },
90c066cd
LV
295# "vq-index": 0,
296# "log-enabled": false,
f3034ad7
LV
297# "acked-features": {
298# "dev-features": [
299# "VIRTIO_NET_F_MRG_RXBUF: Driver can merge receive buffers"
300# ],
301# "transports": [
302# "VIRTIO_RING_F_EVENT_IDX: Used & avail. event fields enabled",
303# "VIRTIO_RING_F_INDIRECT_DESC: Indirect descriptors supported",
304# "VIRTIO_F_VERSION_1: Device compliant for v1 spec (legacy)"
305# ]
306# },
307# "features": {
308# "dev-features": [
309# "VHOST_F_LOG_ALL: Logging write descriptors supported",
310# "VIRTIO_NET_F_MRG_RXBUF: Driver can merge receive buffers"
311# ],
312# "transports": [
313# "VIRTIO_RING_F_EVENT_IDX: Used & avail. event fields enabled",
314# "VIRTIO_RING_F_INDIRECT_DESC: Indirect descriptors supported",
315# "VIRTIO_F_IOMMU_PLATFORM: Device can be used on IOMMU platform",
316# "VIRTIO_F_VERSION_1: Device compliant for v1 spec (legacy)",
317# "VIRTIO_F_ANY_LAYOUT: Device accepts arbitrary desc. layouts",
318# "VIRTIO_F_NOTIFY_ON_EMPTY: Notify when device runs out of avail. descs. on VQ"
319# ]
320# }
321# },
322# "backend-features": {
323# "dev-features": [
324# "VHOST_USER_F_PROTOCOL_FEATURES: Vhost-user protocol features negotation supported",
325# "VIRTIO_NET_F_GSO: Handling GSO-type packets supported",
326# "VIRTIO_NET_F_CTRL_MAC_ADDR: MAC address set through control channel",
327# "VIRTIO_NET_F_GUEST_ANNOUNCE: Driver sending gratuitous packets supported",
328# "VIRTIO_NET_F_CTRL_RX_EXTRA: Extra RX mode control supported",
329# "VIRTIO_NET_F_CTRL_VLAN: Control channel VLAN filtering supported",
330# "VIRTIO_NET_F_CTRL_RX: Control channel RX mode supported",
331# "VIRTIO_NET_F_CTRL_VQ: Control channel available",
332# "VIRTIO_NET_F_STATUS: Configuration status field available",
333# "VIRTIO_NET_F_MRG_RXBUF: Driver can merge receive buffers",
334# "VIRTIO_NET_F_HOST_UFO: Device can receive UFO",
335# "VIRTIO_NET_F_HOST_ECN: Device can receive TSO with ECN",
336# "VIRTIO_NET_F_HOST_TSO6: Device can receive TSOv6",
337# "VIRTIO_NET_F_HOST_TSO4: Device can receive TSOv4",
338# "VIRTIO_NET_F_GUEST_UFO: Driver can receive UFO",
339# "VIRTIO_NET_F_GUEST_ECN: Driver can receive TSO with ECN",
340# "VIRTIO_NET_F_GUEST_TSO6: Driver can receive TSOv6",
341# "VIRTIO_NET_F_GUEST_TSO4: Driver can receive TSOv4",
342# "VIRTIO_NET_F_MAC: Device has given MAC address",
343# "VIRTIO_NET_F_CTRL_GUEST_OFFLOADS: Control channel offloading reconfig. supported",
344# "VIRTIO_NET_F_GUEST_CSUM: Driver handling packets with partial checksum supported",
345# "VIRTIO_NET_F_CSUM: Device handling packets with partial checksum supported"
346# ],
347# "transports": [
348# "VIRTIO_RING_F_EVENT_IDX: Used & avail. event fields enabled",
349# "VIRTIO_RING_F_INDIRECT_DESC: Indirect descriptors supported",
350# "VIRTIO_F_VERSION_1: Device compliant for v1 spec (legacy)",
351# "VIRTIO_F_ANY_LAYOUT: Device accepts arbitrary desc. layouts",
352# "VIRTIO_F_NOTIFY_ON_EMPTY: Notify when device runs out of avail. descs. on VQ"
353# ]
90c066cd 354# },
90c066cd
LV
355# "start-on-kick": false,
356# "isr": 1,
357# "broken": false,
f3034ad7
LV
358# "status": {
359# "statuses": [
360# "VIRTIO_CONFIG_S_ACKNOWLEDGE: Valid virtio device found",
361# "VIRTIO_CONFIG_S_DRIVER: Guest OS compatible with device",
362# "VIRTIO_CONFIG_S_FEATURES_OK: Feature negotiation complete",
363# "VIRTIO_CONFIG_S_DRIVER_OK: Driver setup and ready"
364# ]
365# },
90c066cd 366# "num-vqs": 3,
f3034ad7
LV
367# "guest-features": {
368# "dev-features": [
369# "VIRTIO_NET_F_CTRL_MAC_ADDR: MAC address set through control channel",
370# "VIRTIO_NET_F_GUEST_ANNOUNCE: Driver sending gratuitous packets supported",
371# "VIRTIO_NET_F_CTRL_VLAN: Control channel VLAN filtering supported",
372# "VIRTIO_NET_F_CTRL_RX: Control channel RX mode supported",
373# "VIRTIO_NET_F_CTRL_VQ: Control channel available",
374# "VIRTIO_NET_F_STATUS: Configuration status field available",
375# "VIRTIO_NET_F_MRG_RXBUF: Driver can merge receive buffers",
376# "VIRTIO_NET_F_HOST_UFO: Device can receive UFO",
377# "VIRTIO_NET_F_HOST_ECN: Device can receive TSO with ECN",
378# "VIRTIO_NET_F_HOST_TSO6: Device can receive TSOv6",
379# "VIRTIO_NET_F_HOST_TSO4: Device can receive TSOv4",
380# "VIRTIO_NET_F_GUEST_UFO: Driver can receive UFO",
381# "VIRTIO_NET_F_GUEST_ECN: Driver can receive TSO with ECN",
382# "VIRTIO_NET_F_GUEST_TSO6: Driver can receive TSOv6",
383# "VIRTIO_NET_F_GUEST_TSO4: Driver can receive TSOv4",
384# "VIRTIO_NET_F_MAC: Device has given MAC address",
385# "VIRTIO_NET_F_CTRL_GUEST_OFFLOADS: Control channel offloading reconfig. supported",
386# "VIRTIO_NET_F_GUEST_CSUM: Driver handling packets with partial checksum supported",
387# "VIRTIO_NET_F_CSUM: Device handling packets with partial checksum supported"
388# ],
389# "transports": [
390# "VIRTIO_RING_F_EVENT_IDX: Used & avail. event fields enabled",
391# "VIRTIO_RING_F_INDIRECT_DESC: Indirect descriptors supported",
392# "VIRTIO_F_VERSION_1: Device compliant for v1 spec (legacy)"
393# ]
394# },
395# "host-features": {
396# "dev-features": [
397# "VHOST_USER_F_PROTOCOL_FEATURES: Vhost-user protocol features negotation supported",
398# "VIRTIO_NET_F_GSO: Handling GSO-type packets supported",
399# "VIRTIO_NET_F_CTRL_MAC_ADDR: MAC address set through control channel",
400# "VIRTIO_NET_F_GUEST_ANNOUNCE: Driver sending gratuitous packets supported",
401# "VIRTIO_NET_F_CTRL_RX_EXTRA: Extra RX mode control supported",
402# "VIRTIO_NET_F_CTRL_VLAN: Control channel VLAN filtering supported",
403# "VIRTIO_NET_F_CTRL_RX: Control channel RX mode supported",
404# "VIRTIO_NET_F_CTRL_VQ: Control channel available",
405# "VIRTIO_NET_F_STATUS: Configuration status field available",
406# "VIRTIO_NET_F_MRG_RXBUF: Driver can merge receive buffers",
407# "VIRTIO_NET_F_HOST_UFO: Device can receive UFO",
408# "VIRTIO_NET_F_HOST_ECN: Device can receive TSO with ECN",
409# "VIRTIO_NET_F_HOST_TSO6: Device can receive TSOv6",
410# "VIRTIO_NET_F_HOST_TSO4: Device can receive TSOv4",
411# "VIRTIO_NET_F_GUEST_UFO: Driver can receive UFO",
412# "VIRTIO_NET_F_GUEST_ECN: Driver can receive TSO with ECN",
413# "VIRTIO_NET_F_GUEST_TSO6: Driver can receive TSOv6",
414# "VIRTIO_NET_F_GUEST_TSO4: Driver can receive TSOv4",
415# "VIRTIO_NET_F_MAC: Device has given MAC address",
416# "VIRTIO_NET_F_CTRL_GUEST_OFFLOADS: Control channel offloading reconfig. supported",
417# "VIRTIO_NET_F_GUEST_CSUM: Driver handling packets with partial checksum supported",
418# "VIRTIO_NET_F_CSUM: Device handling packets with partial checksum supported"
419# ],
420# "transports": [
421# "VIRTIO_RING_F_EVENT_IDX: Used & avail. event fields enabled",
422# "VIRTIO_RING_F_INDIRECT_DESC: Indirect descriptors supported",
423# "VIRTIO_F_VERSION_1: Device compliant for v1 spec (legacy)",
424# "VIRTIO_F_ANY_LAYOUT: Device accepts arbitrary desc. layouts",
425# "VIRTIO_F_NOTIFY_ON_EMPTY: Notify when device runs out of avail. descs. on VQ"
426# ]
427# },
90c066cd
LV
428# "use-guest-notifier-mask": true,
429# "vm-running": true,
430# "queue-sel": 2,
431# "disabled": false,
432# "vhost-started": true,
433# "use-started": true
434# }
435# }
436#
437##
438
439{ 'command': 'x-query-virtio-status',
440 'data': { 'path': 'str' },
441 'returns': 'VirtioStatus',
442 'features': [ 'unstable' ] }
f3034ad7
LV
443
444##
445# @VirtioDeviceStatus:
446#
447# A structure defined to list the configuration statuses of a virtio
448# device
449#
450# @statuses: List of decoded configuration statuses of the virtio
451# device
452#
453# @unknown-statuses: Virtio device statuses bitmap that have not been decoded
454#
455# Since: 7.1
456##
457
458{ 'struct': 'VirtioDeviceStatus',
459 'data': { 'statuses': [ 'str' ],
460 '*unknown-statuses': 'uint8' } }
461
462##
463# @VhostDeviceProtocols:
464#
465# A structure defined to list the vhost user protocol features of a
466# Vhost User device
467#
468# @protocols: List of decoded vhost user protocol features of a vhost
469# user device
470#
471# @unknown-protocols: Vhost user device protocol features bitmap that
472# have not been decoded
473#
474# Since: 7.1
475##
476
477{ 'struct': 'VhostDeviceProtocols',
478 'data': { 'protocols': [ 'str' ],
479 '*unknown-protocols': 'uint64' } }
480
481##
482# @VirtioDeviceFeatures:
483#
484# The common fields that apply to most Virtio devices. Some devices
485# may not have their own device-specific features (e.g. virtio-rng).
486#
487# @transports: List of transport features of the virtio device
488#
489# @dev-features: List of device-specific features (if the device has
490# unique features)
491#
492# @unknown-dev-features: Virtio device features bitmap that have not
493# been decoded
494#
495# Since: 7.1
496##
497
498{ 'struct': 'VirtioDeviceFeatures',
499 'data': { 'transports': [ 'str' ],
500 '*dev-features': [ 'str' ],
501 '*unknown-dev-features': 'uint64' } }
07536ddd
LV
502
503##
504# @VirtQueueStatus:
505#
506# Information of a VirtIODevice VirtQueue, including most members of
507# the VirtQueue data structure.
508#
509# @name: Name of the VirtIODevice that uses this VirtQueue
510#
511# @queue-index: VirtQueue queue_index
512#
513# @inuse: VirtQueue inuse
514#
515# @vring-num: VirtQueue vring.num
516#
517# @vring-num-default: VirtQueue vring.num_default
518#
519# @vring-align: VirtQueue vring.align
520#
521# @vring-desc: VirtQueue vring.desc (descriptor area)
522#
523# @vring-avail: VirtQueue vring.avail (driver area)
524#
525# @vring-used: VirtQueue vring.used (device area)
526#
527# @last-avail-idx: VirtQueue last_avail_idx or return of vhost_dev
528# vhost_get_vring_base (if vhost active)
529#
530# @shadow-avail-idx: VirtQueue shadow_avail_idx
531#
532# @used-idx: VirtQueue used_idx
533#
534# @signalled-used: VirtQueue signalled_used
535#
536# @signalled-used-valid: VirtQueue signalled_used_valid flag
537#
538# Since: 7.1
539#
540##
541
542{ 'struct': 'VirtQueueStatus',
543 'data': { 'name': 'str',
544 'queue-index': 'uint16',
545 'inuse': 'uint32',
546 'vring-num': 'uint32',
547 'vring-num-default': 'uint32',
548 'vring-align': 'uint32',
549 'vring-desc': 'uint64',
550 'vring-avail': 'uint64',
551 'vring-used': 'uint64',
552 '*last-avail-idx': 'uint16',
553 '*shadow-avail-idx': 'uint16',
554 'used-idx': 'uint16',
555 'signalled-used': 'uint16',
556 'signalled-used-valid': 'bool' } }
557
558##
559# @x-query-virtio-queue-status:
560#
561# Return the status of a given VirtIODevice's VirtQueue
562#
563# @path: VirtIODevice canonical QOM path
564#
565# @queue: VirtQueue index to examine
566#
567# Features:
568# @unstable: This command is meant for debugging.
569#
570# Returns: VirtQueueStatus of the VirtQueue
571#
572# Notes: last_avail_idx will not be displayed in the case where
573# the selected VirtIODevice has a running vhost device and
574# the VirtIODevice VirtQueue index (queue) does not exist for
575# the corresponding vhost device vhost_virtqueue. Also,
576# shadow_avail_idx will not be displayed in the case where
577# the selected VirtIODevice has a running vhost device.
578#
579# Since: 7.1
580#
581# Examples:
582#
583# 1. Get VirtQueueStatus for virtio-vsock (vhost-vsock running)
584#
585# -> { "execute": "x-query-virtio-queue-status",
586# "arguments": { "path": "/machine/peripheral/vsock0/virtio-backend",
587# "queue": 1 }
588# }
589# <- { "return": {
590# "signalled-used": 0,
591# "inuse": 0,
592# "name": "vhost-vsock",
593# "vring-align": 4096,
594# "vring-desc": 5217370112,
595# "signalled-used-valid": false,
596# "vring-num-default": 128,
597# "vring-avail": 5217372160,
598# "queue-index": 1,
599# "last-avail-idx": 0,
600# "vring-used": 5217372480,
601# "used-idx": 0,
602# "vring-num": 128
603# }
604# }
605#
606# 2. Get VirtQueueStatus for virtio-serial (no vhost)
607#
608# -> { "execute": "x-query-virtio-queue-status",
609# "arguments": { "path": "/machine/peripheral-anon/device[0]/virtio-backend",
610# "queue": 20 }
611# }
612# <- { "return": {
613# "signalled-used": 0,
614# "inuse": 0,
615# "name": "virtio-serial",
616# "vring-align": 4096,
617# "vring-desc": 5182074880,
618# "signalled-used-valid": false,
619# "vring-num-default": 128,
620# "vring-avail": 5182076928,
621# "queue-index": 20,
622# "last-avail-idx": 0,
623# "vring-used": 5182077248,
624# "used-idx": 0,
625# "shadow-avail-idx": 0,
626# "vring-num": 128
627# }
628# }
629#
630##
631
632{ 'command': 'x-query-virtio-queue-status',
633 'data': { 'path': 'str', 'queue': 'uint16' },
634 'returns': 'VirtQueueStatus',
635 'features': [ 'unstable' ] }
636
637##
638# @VirtVhostQueueStatus:
639#
640# Information of a vhost device's vhost_virtqueue, including most
641# members of the vhost_dev vhost_virtqueue data structure.
642#
643# @name: Name of the VirtIODevice that uses this vhost_virtqueue
644#
645# @kick: vhost_virtqueue kick
646#
647# @call: vhost_virtqueue call
648#
649# @desc: vhost_virtqueue desc
650#
651# @avail: vhost_virtqueue avail
652#
653# @used: vhost_virtqueue used
654#
655# @num: vhost_virtqueue num
656#
657# @desc-phys: vhost_virtqueue desc_phys (descriptor area phys. addr.)
658#
659# @desc-size: vhost_virtqueue desc_size
660#
661# @avail-phys: vhost_virtqueue avail_phys (driver area phys. addr.)
662#
663# @avail-size: vhost_virtqueue avail_size
664#
665# @used-phys: vhost_virtqueue used_phys (device area phys. addr.)
666#
667# @used-size: vhost_virtqueue used_size
668#
669# Since: 7.1
670#
671##
672
673{ 'struct': 'VirtVhostQueueStatus',
674 'data': { 'name': 'str',
675 'kick': 'int',
676 'call': 'int',
677 'desc': 'uint64',
678 'avail': 'uint64',
679 'used': 'uint64',
680 'num': 'int',
681 'desc-phys': 'uint64',
682 'desc-size': 'uint32',
683 'avail-phys': 'uint64',
684 'avail-size': 'uint32',
685 'used-phys': 'uint64',
686 'used-size': 'uint32' } }
687
688##
689# @x-query-virtio-vhost-queue-status:
690#
691# Return information of a given vhost device's vhost_virtqueue
692#
693# @path: VirtIODevice canonical QOM path
694#
695# @queue: vhost_virtqueue index to examine
696#
697# Features:
698# @unstable: This command is meant for debugging.
699#
700# Returns: VirtVhostQueueStatus of the vhost_virtqueue
701#
702# Since: 7.1
703#
704# Examples:
705#
706# 1. Get vhost_virtqueue status for vhost-crypto
707#
708# -> { "execute": "x-query-virtio-vhost-queue-status",
709# "arguments": { "path": "/machine/peripheral/crypto0/virtio-backend",
710# "queue": 0 }
711# }
712# <- { "return": {
713# "avail-phys": 5216124928,
714# "name": "virtio-crypto",
715# "used-phys": 5216127040,
716# "avail-size": 2054,
717# "desc-size": 16384,
718# "used-size": 8198,
719# "desc": 140141447430144,
720# "num": 1024,
721# "call": 0,
722# "avail": 140141447446528,
723# "desc-phys": 5216108544,
724# "used": 140141447448640,
725# "kick": 0
726# }
727# }
728#
729# 2. Get vhost_virtqueue status for vhost-vsock
730#
731# -> { "execute": "x-query-virtio-vhost-queue-status",
732# "arguments": { "path": "/machine/peripheral/vsock0/virtio-backend",
733# "queue": 0 }
734# }
735# <- { "return": {
736# "avail-phys": 5182261248,
737# "name": "vhost-vsock",
738# "used-phys": 5182261568,
739# "avail-size": 262,
740# "desc-size": 2048,
741# "used-size": 1030,
742# "desc": 140141413580800,
743# "num": 128,
744# "call": 0,
745# "avail": 140141413582848,
746# "desc-phys": 5182259200,
747# "used": 140141413583168,
748# "kick": 0
749# }
750# }
751#
752##
753
754{ 'command': 'x-query-virtio-vhost-queue-status',
755 'data': { 'path': 'str', 'queue': 'uint16' },
756 'returns': 'VirtVhostQueueStatus',
757 'features': [ 'unstable' ] }
1ee7bb5b
LV
758
759##
760# @VirtioRingDesc:
761#
762# Information regarding the vring descriptor area
763#
764# @addr: Guest physical address of the descriptor area
765#
766# @len: Length of the descriptor area
767#
768# @flags: List of descriptor flags
769#
770# Since: 7.1
771#
772##
773
774{ 'struct': 'VirtioRingDesc',
775 'data': { 'addr': 'uint64',
776 'len': 'uint32',
777 'flags': [ 'str' ] } }
778
779##
780# @VirtioRingAvail:
781#
782# Information regarding the avail vring (a.k.a. driver area)
783#
784# @flags: VRingAvail flags
785#
786# @idx: VRingAvail index
787#
788# @ring: VRingAvail ring[] entry at provided index
789#
790# Since: 7.1
791#
792##
793
794{ 'struct': 'VirtioRingAvail',
795 'data': { 'flags': 'uint16',
796 'idx': 'uint16',
797 'ring': 'uint16' } }
798
799##
800# @VirtioRingUsed:
801#
802# Information regarding the used vring (a.k.a. device area)
803#
804# @flags: VRingUsed flags
805#
806# @idx: VRingUsed index
807#
808# Since: 7.1
809#
810##
811
812{ 'struct': 'VirtioRingUsed',
813 'data': { 'flags': 'uint16',
814 'idx': 'uint16' } }
815
816##
817# @VirtioQueueElement:
818#
819# Information regarding a VirtQueue's VirtQueueElement including
820# descriptor, driver, and device areas
821#
822# @name: Name of the VirtIODevice that uses this VirtQueue
823#
824# @index: Index of the element in the queue
825#
826# @descs: List of descriptors (VirtioRingDesc)
827#
828# @avail: VRingAvail info
829#
830# @used: VRingUsed info
831#
832# Since: 7.1
833#
834##
835
836{ 'struct': 'VirtioQueueElement',
837 'data': { 'name': 'str',
838 'index': 'uint32',
839 'descs': [ 'VirtioRingDesc' ],
840 'avail': 'VirtioRingAvail',
841 'used': 'VirtioRingUsed' } }
842
843##
844# @x-query-virtio-queue-element:
845#
846# Return the information about a VirtQueue's VirtQueueElement
847#
848# @path: VirtIODevice canonical QOM path
849#
850# @queue: VirtQueue index to examine
851#
852# @index: Index of the element in the queue
853# (default: head of the queue)
854#
855# Features:
856# @unstable: This command is meant for debugging.
857#
858# Returns: VirtioQueueElement information
859#
860# Since: 7.1
861#
862# Examples:
863#
864# 1. Introspect on virtio-net's VirtQueue 0 at index 5
865#
866# -> { "execute": "x-query-virtio-queue-element",
867# "arguments": { "path": "/machine/peripheral-anon/device[1]/virtio-backend",
868# "queue": 0,
869# "index": 5 }
870# }
871# <- { "return": {
872# "index": 5,
873# "name": "virtio-net",
874# "descs": [
875# {
876# "flags": ["write"],
877# "len": 1536,
878# "addr": 5257305600
879# }
880# ],
881# "avail": {
882# "idx": 256,
883# "flags": 0,
884# "ring": 5
885# },
886# "used": {
887# "idx": 13,
888# "flags": 0
889# }
890# }
891# }
892#
893# 2. Introspect on virtio-crypto's VirtQueue 1 at head
894#
895# -> { "execute": "x-query-virtio-queue-element",
896# "arguments": { "path": "/machine/peripheral/crypto0/virtio-backend",
897# "queue": 1 }
898# }
899# <- { "return": {
900# "index": 0,
901# "name": "virtio-crypto",
902# "descs": [
903# {
904# "flags": [],
905# "len": 0,
906# "addr": 8080268923184214134
907# }
908# ],
909# "avail": {
910# "idx": 280,
911# "flags": 0,
912# "ring": 0
913# },
914# "used": {
915# "idx": 280,
916# "flags": 0
917# }
918# }
919# }
920#
921# 3. Introspect on virtio-scsi's VirtQueue 2 at head
922#
923# -> { "execute": "x-query-virtio-queue-element",
924# "arguments": { "path": "/machine/peripheral-anon/device[2]/virtio-backend",
925# "queue": 2 }
926# }
927# <- { "return": {
928# "index": 19,
929# "name": "virtio-scsi",
930# "descs": [
931# {
932# "flags": ["used", "indirect", "write"],
933# "len": 4099327944,
934# "addr": 12055409292258155293
935# }
936# ],
937# "avail": {
938# "idx": 1147,
939# "flags": 0,
940# "ring": 19
941# },
942# "used": {
943# "idx": 280,
944# "flags": 0
945# }
946# }
947# }
948#
949##
950
951{ 'command': 'x-query-virtio-queue-element',
952 'data': { 'path': 'str', 'queue': 'uint16', '*index': 'uint16' },
953 'returns': 'VirtioQueueElement',
954 'features': [ 'unstable' ] }