aboutsummaryrefslogtreecommitdiff
path: root/qapi/pci.json
blob: b79cbd787bee6fe5a649d9d0227ff204c0cc8a61 (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
# -*- 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.
# SPDX-License-Identifier: GPL-2.0-or-later

##
# = PCI
##

##
# @PciMemoryRange:
#
# A PCI device memory region
#
# @base: the starting address (guest physical)
#
# @limit: the ending address (guest physical)
#
# Since: 0.14.0
##
{ 'struct': 'PciMemoryRange', 'data': {'base': 'int', 'limit': 'int'} }

##
# @PciMemoryRegion:
#
# Information about a PCI device I/O region.
#
# @bar: the index of the Base Address Register for this region
#
# @type: - 'io' if the region is a PIO region
#        - 'memory' if the region is a MMIO region
#
# @size: memory size
#
# @prefetch: if @type is 'memory', true if the memory is prefetchable
#
# @mem_type_64: if @type is 'memory', true if the BAR is 64-bit
#
# Since: 0.14.0
##
{ 'struct': 'PciMemoryRegion',
  'data': {'bar': 'int', 'type': 'str', 'address': 'int', 'size': 'int',
           '*prefetch': 'bool', '*mem_type_64': 'bool' } }

##
# @PciBusInfo:
#
# Information about a bus of a PCI Bridge device
#
# @number: primary bus interface number.  This should be the number of the
#          bus the device resides on.
#
# @secondary: secondary bus interface number.  This is the number of the
#             main bus for the bridge
#
# @subordinate: This is the highest number bus that resides below the
#               bridge.
#
# @io_range: The PIO range for all devices on this bridge
#
# @memory_range: The MMIO range for all devices on this bridge
#
# @prefetchable_range: The range of prefetchable MMIO for all devices on
#                      this bridge
#
# Since: 2.4
##
{ 'struct': 'PciBusInfo',
  'data': {'number': 'int', 'secondary': 'int', 'subordinate': 'int',
           'io_range': 'PciMemoryRange',
           'memory_range': 'PciMemoryRange',
           'prefetchable_range': 'PciMemoryRange' } }

##
# @PciBridgeInfo:
#
# Information about a PCI Bridge device
#
# @bus: information about the bus the device resides on
#
# @devices: a list of @PciDeviceInfo for each device on this bridge
#
# Since: 0.14.0
##
{ 'struct': 'PciBridgeInfo',
  'data': {'bus': 'PciBusInfo', '*devices': ['PciDeviceInfo']} }

##
# @PciDeviceClass:
#
# Information about the Class of a PCI device
#
# @desc: a string description of the device's class
#
# @class: the class code of the device
#
# Since: 2.4
##
{ 'struct': 'PciDeviceClass',
  'data': {'*desc': 'str', 'class': 'int'} }

##
# @PciDeviceId:
#
# Information about the Id of a PCI device
#
# @device: the PCI device id
#
# @vendor: the PCI vendor id
#
# @subsystem: the PCI subsystem id (since 3.1)
#
# @subsystem-vendor: the PCI subsystem vendor id (since 3.1)
#
# Since: 2.4
##
{ 'struct': 'PciDeviceId',
  'data': {'device': 'int', 'vendor': 'int', '*subsystem': 'int',
            '*subsystem-vendor': 'int'} }

##
# @PciDeviceInfo:
#
# Information about a PCI device
#
# @bus: the bus number of the device
#
# @slot: the slot the device is located in
#
# @function: the function of the slot used by the device
#
# @class_info: the class of the device
#
# @id: the PCI device id
#
# @irq: if an IRQ is assigned to the device, the IRQ number
#
# @irq_pin: the IRQ pin, zero means no IRQ (since 5.1)
#
# @qdev_id: the device name of the PCI device
#
# @pci_bridge: if the device is a PCI bridge, the bridge information
#
# @regions: a list of the PCI I/O regions associated with the device
#
# Notes: the contents of @class_info.desc are not stable and should only be
#        treated as informational.
#
# Since: 0.14.0
##
{ 'struct': 'PciDeviceInfo',
  'data': {'bus': 'int', 'slot': 'int', 'function': 'int',
           'class_info': 'PciDeviceClass', 'id': 'PciDeviceId',
           '*irq': 'int', 'irq_pin': 'int', 'qdev_id': 'str',
           '*pci_bridge': 'PciBridgeInfo', 'regions': ['PciMemoryRegion'] }}

##
# @PciInfo:
#
# Information about a PCI bus
#
# @bus: the bus index
#
# @devices: a list of devices on this bus
#
# Since: 0.14.0
##
{ 'struct': 'PciInfo', 'data': {'bus': 'int', 'devices': ['PciDeviceInfo']} }

##
# @query-pci:
#
# Return information about the PCI bus topology of the guest.
#
# Returns: a list of @PciInfo for each PCI bus. Each bus is
#          represented by a json-object, which has a key with a json-array of
#          all PCI devices attached to it. Each device is represented by a
#          json-object.
#
# Since: 0.14.0
#
# Example:
#
# -> { "execute": "query-pci" }
# <- { "return": [
#          {
#             "bus": 0,
#             "devices": [
#                {
#                   "bus": 0,
#                   "qdev_id": "",
#                   "slot": 0,
#                   "class_info": {
#                      "class": 1536,
#                      "desc": "Host bridge"
#                   },
#                   "id": {
#                      "device": 32902,
#                      "vendor": 4663
#                   },
#                   "function": 0,
#                   "regions": [
#                   ]
#                },
#                {
#                   "bus": 0,
#                   "qdev_id": "",
#                   "slot": 1,
#                   "class_info": {
#                      "class": 1537,
#                      "desc": "ISA bridge"
#                   },
#                   "id": {
#                      "device": 32902,
#                      "vendor": 28672
#                   },
#                   "function": 0,
#                   "regions": [
#                   ]
#                },
#                {
#                   "bus": 0,
#                   "qdev_id": "",
#                   "slot": 1,
#                   "class_info": {
#                      "class": 257,
#                      "desc": "IDE controller"
#                   },
#                   "id": {
#                      "device": 32902,
#                      "vendor": 28688
#                   },
#                   "function": 1,
#                   "regions": [
#                      {
#                         "bar": 4,
#                         "size": 16,
#                         "address": 49152,
#                         "type": "io"
#                      }
#                   ]
#                },
#                {
#                   "bus": 0,
#                   "qdev_id": "",
#                   "slot": 2,
#                   "class_info": {
#                      "class": 768,
#                      "desc": "VGA controller"
#                   },
#                   "id": {
#                      "device": 4115,
#                      "vendor": 184
#                   },
#                   "function": 0,
#                   "regions": [
#                      {
#                         "prefetch": true,
#                         "mem_type_64": false,
#                         "bar": 0,
#                         "size": 33554432,
#                         "address": 4026531840,
#                         "type": "memory"
#                      },
#                      {
#                         "prefetch": false,
#                         "mem_type_64": false,
#                         "bar": 1,
#                         "size": 4096,
#                         "address": 4060086272,
#                         "type": "memory"
#                      },
#                      {
#                         "prefetch": false,
#                         "mem_type_64": false,
#                         "bar": 6,
#                         "size": 65536,
#                         "address": -1,
#                         "type": "memory"
#                      }
#                   ]
#                },
#                {
#                   "bus": 0,
#                   "qdev_id": "",
#                   "irq": 11,
#                   "slot": 4,
#                   "class_info": {
#                      "class": 1280,
#                      "desc": "RAM controller"
#                   },
#                   "id": {
#                      "device": 6900,
#                      "vendor": 4098
#                   },
#                   "function": 0,
#                   "regions": [
#                      {
#                         "bar": 0,
#                         "size": 32,
#                         "address": 49280,
#                         "type": "io"
#                      }
#                   ]
#                }
#             ]
#          }
#       ]
#    }
#
# Note: This example has been shortened as the real response is too long.
#
##
{ 'command': 'query-pci', 'returns': ['PciInfo'] }