qapi/pci.json

   1 # -*- Mode: Python -*-
   2 # vim: filetype=python
   3 #
   4 # This work is licensed under the terms of the GNU GPL, version 2 or later.
   5 # See the COPYING file in the top-level directory.
   6 # SPDX-License-Identifier: GPL-2.0-or-later
   7
   8 ##
   9 # = PCI
  10 ##
  11
  12 ##
  13 # @PciMemoryRange:
  14 #
  15 # A PCI device memory region
  16 #
  17 # @base: the starting address (guest physical)
  18 #
  19 # @limit: the ending address (guest physical)
  20 #
  21 # Since: 0.14
  22 ##
  23 { 'struct': 'PciMemoryRange', 'data': {'base': 'int', 'limit': 'int'} }
  24
  25 ##
  26 # @PciMemoryRegion:
  27 #
  28 # Information about a PCI device I/O region.
  29 #
  30 # @bar: the index of the Base Address Register for this region
  31 #
  32 # @type:
  33 #     - 'io' if the region is a PIO region
  34 #     - 'memory' if the region is a MMIO region
  35 #
  36 # @size: memory size
  37 #
  38 # @prefetch: if @type is 'memory', true if the memory is prefetchable
  39 #
  40 # @mem_type_64: if @type is 'memory', true if the BAR is 64-bit
  41 #
  42 # Since: 0.14
  43 ##
  44 { 'struct': 'PciMemoryRegion',
  45   'data': {'bar': 'int', 'type': 'str', 'address': 'int', 'size': 'int',
  46            '*prefetch': 'bool', '*mem_type_64': 'bool' } }
  47
  48 ##
  49 # @PciBusInfo:
  50 #
  51 # Information about a bus of a PCI Bridge device
  52 #
  53 # @number: primary bus interface number.  This should be the number of
  54 #     the bus the device resides on.
  55 #
  56 # @secondary: secondary bus interface number.  This is the number of
  57 #     the main bus for the bridge
  58 #
  59 # @subordinate: This is the highest number bus that resides below the
  60 #     bridge.
  61 #
  62 # @io_range: The PIO range for all devices on this bridge
  63 #
  64 # @memory_range: The MMIO range for all devices on this bridge
  65 #
  66 # @prefetchable_range: The range of prefetchable MMIO for all devices
  67 #     on this bridge
  68 #
  69 # Since: 2.4
  70 ##
  71 { 'struct': 'PciBusInfo',
  72   'data': {'number': 'int', 'secondary': 'int', 'subordinate': 'int',
  73            'io_range': 'PciMemoryRange',
  74            'memory_range': 'PciMemoryRange',
  75            'prefetchable_range': 'PciMemoryRange' } }
  76
  77 ##
  78 # @PciBridgeInfo:
  79 #
  80 # Information about a PCI Bridge device
  81 #
  82 # @bus: information about the bus the device resides on
  83 #
  84 # @devices: a list of @PciDeviceInfo for each device on this bridge
  85 #
  86 # Since: 0.14
  87 ##
  88 { 'struct': 'PciBridgeInfo',
  89   'data': {'bus': 'PciBusInfo', '*devices': ['PciDeviceInfo']} }
  90
  91 ##
  92 # @PciDeviceClass:
  93 #
  94 # Information about the Class of a PCI device
  95 #
  96 # @desc: a string description of the device's class
  97 #
  98 # @class: the class code of the device
  99 #
 100 # Since: 2.4
 101 ##
 102 { 'struct': 'PciDeviceClass',
 103   'data': {'*desc': 'str', 'class': 'int'} }
 104
 105 ##
 106 # @PciDeviceId:
 107 #
 108 # Information about the Id of a PCI device
 109 #
 110 # @device: the PCI device id
 111 #
 112 # @vendor: the PCI vendor id
 113 #
 114 # @subsystem: the PCI subsystem id (since 3.1)
 115 #
 116 # @subsystem-vendor: the PCI subsystem vendor id (since 3.1)
 117 #
 118 # Since: 2.4
 119 ##
 120 { 'struct': 'PciDeviceId',
 121   'data': {'device': 'int', 'vendor': 'int', '*subsystem': 'int',
 122             '*subsystem-vendor': 'int'} }
 123
 124 ##
 125 # @PciDeviceInfo:
 126 #
 127 # Information about a PCI device
 128 #
 129 # @bus: the bus number of the device
 130 #
 131 # @slot: the slot the device is located in
 132 #
 133 # @function: the function of the slot used by the device
 134 #
 135 # @class_info: the class of the device
 136 #
 137 # @id: the PCI device id
 138 #
 139 # @irq: if an IRQ is assigned to the device, the IRQ number
 140 #
 141 # @irq_pin: the IRQ pin, zero means no IRQ (since 5.1)
 142 #
 143 # @qdev_id: the device name of the PCI device
 144 #
 145 # @pci_bridge: if the device is a PCI bridge, the bridge information
 146 #
 147 # @regions: a list of the PCI I/O regions associated with the device
 148 #
 149 # Notes: the contents of @class_info.desc are not stable and should
 150 #     only be treated as informational.
 151 #
 152 # Since: 0.14
 153 ##
 154 { 'struct': 'PciDeviceInfo',
 155   'data': {'bus': 'int', 'slot': 'int', 'function': 'int',
 156            'class_info': 'PciDeviceClass', 'id': 'PciDeviceId',
 157            '*irq': 'int', 'irq_pin': 'int', 'qdev_id': 'str',
 158            '*pci_bridge': 'PciBridgeInfo', 'regions': ['PciMemoryRegion'] }}
 159
 160 ##
 161 # @PciInfo:
 162 #
 163 # Information about a PCI bus
 164 #
 165 # @bus: the bus index
 166 #
 167 # @devices: a list of devices on this bus
 168 #
 169 # Since: 0.14
 170 ##
 171 { 'struct': 'PciInfo', 'data': {'bus': 'int', 'devices': ['PciDeviceInfo']} }
 172
 173 ##
 174 # @query-pci:
 175 #
 176 # Return information about the PCI bus topology of the guest.
 177 #
 178 # Returns: a list of @PciInfo for each PCI bus.  Each bus is
 179 #     represented by a json-object, which has a key with a json-array
 180 #     of all PCI devices attached to it.  Each device is represented
 181 #     by a json-object.
 182 #
 183 # Since: 0.14
 184 #
 185 # Example:
 186 #
 187 # -> { "execute": "query-pci" }
 188 # <- { "return": [
 189 #          {
 190 #             "bus": 0,
 191 #             "devices": [
 192 #                {
 193 #                   "bus": 0,
 194 #                   "qdev_id": "",
 195 #                   "slot": 0,
 196 #                   "class_info": {
 197 #                      "class": 1536,
 198 #                      "desc": "Host bridge"
 199 #                   },
 200 #                   "id": {
 201 #                      "device": 32902,
 202 #                      "vendor": 4663
 203 #                   },
 204 #                   "function": 0,
 205 #                   "regions": [
 206 #                   ]
 207 #                },
 208 #                {
 209 #                   "bus": 0,
 210 #                   "qdev_id": "",
 211 #                   "slot": 1,
 212 #                   "class_info": {
 213 #                      "class": 1537,
 214 #                      "desc": "ISA bridge"
 215 #                   },
 216 #                   "id": {
 217 #                      "device": 32902,
 218 #                      "vendor": 28672
 219 #                   },
 220 #                   "function": 0,
 221 #                   "regions": [
 222 #                   ]
 223 #                },
 224 #                {
 225 #                   "bus": 0,
 226 #                   "qdev_id": "",
 227 #                   "slot": 1,
 228 #                   "class_info": {
 229 #                      "class": 257,
 230 #                      "desc": "IDE controller"
 231 #                   },
 232 #                   "id": {
 233 #                      "device": 32902,
 234 #                      "vendor": 28688
 235 #                   },
 236 #                   "function": 1,
 237 #                   "regions": [
 238 #                      {
 239 #                         "bar": 4,
 240 #                         "size": 16,
 241 #                         "address": 49152,
 242 #                         "type": "io"
 243 #                      }
 244 #                   ]
 245 #                },
 246 #                {
 247 #                   "bus": 0,
 248 #                   "qdev_id": "",
 249 #                   "slot": 2,
 250 #                   "class_info": {
 251 #                      "class": 768,
 252 #                      "desc": "VGA controller"
 253 #                   },
 254 #                   "id": {
 255 #                      "device": 4115,
 256 #                      "vendor": 184
 257 #                   },
 258 #                   "function": 0,
 259 #                   "regions": [
 260 #                      {
 261 #                         "prefetch": true,
 262 #                         "mem_type_64": false,
 263 #                         "bar": 0,
 264 #                         "size": 33554432,
 265 #                         "address": 4026531840,
 266 #                         "type": "memory"
 267 #                      },
 268 #                      {
 269 #                         "prefetch": false,
 270 #                         "mem_type_64": false,
 271 #                         "bar": 1,
 272 #                         "size": 4096,
 273 #                         "address": 4060086272,
 274 #                         "type": "memory"
 275 #                      },
 276 #                      {
 277 #                         "prefetch": false,
 278 #                         "mem_type_64": false,
 279 #                         "bar": 6,
 280 #                         "size": 65536,
 281 #                         "address": -1,
 282 #                         "type": "memory"
 283 #                      }
 284 #                   ]
 285 #                },
 286 #                {
 287 #                   "bus": 0,
 288 #                   "qdev_id": "",
 289 #                   "irq": 11,
 290 #                   "slot": 4,
 291 #                   "class_info": {
 292 #                      "class": 1280,
 293 #                      "desc": "RAM controller"
 294 #                   },
 295 #                   "id": {
 296 #                      "device": 6900,
 297 #                      "vendor": 4098
 298 #                   },
 299 #                   "function": 0,
 300 #                   "regions": [
 301 #                      {
 302 #                         "bar": 0,
 303 #                         "size": 32,
 304 #                         "address": 49280,
 305 #                         "type": "io"
 306 #                      }
 307 #                   ]
 308 #                }
 309 #             ]
 310 #          }
 311 #       ]
 312 #    }
 313 #
 314 # Note: This example has been shortened as the real response is too
 315 #     long.
 316 ##
 317 { 'command': 'query-pci', 'returns': ['PciInfo'] }