virtio.h File Reference

#include <stdint.h>

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Classes
struct	virtio_gpu_ctrl_hdr
struct	virtio_gpu_resource_create_2d
struct	virtio_gpu_resource_attach_backing
struct	virtio_gpu_rect
struct	virtio_gpu_set_scanout
struct	virtio_gpu_transfer_to_host_2d
struct	virtio_gpu_resource_flush
struct	virtio_gpu_config
struct	virtio_gpu_mem_entry
struct	_virtio_mmio_
struct	_common_config_
struct	virtio_pci_cap
struct	VirtioBuffer
struct	VirtioAvail
struct	VirtioRing
struct	VirtioUsed
struct	VirtioQueue

Macros
#define	VIRTIO_MAGIC_VALUE   0x74726976
#define	VIRTIO_VENDOR_ID_QEMU   0x554D4551
#define	VIRTIO_GPU_FLAG_FENCE   (1<<0)
#define	VIRTIO_GPU_FLAG_INFO_RING_IDX   (1<<1)
#define	VIRTIO_PCI_CAP_ID   0x09
#define	VIRTIO_PCI_CAP_COMMON_CFG   1
#define	VIRTIO_PCI_CAP_DEVICE_CFG   4
#define	VIRTIO_STATUS_ACKNOWLEDGE   1
#define	VIRTIO_STATUS_DRIVER   2
#define	VIRTIO_STATUS_DRIVER_OK   4
#define	VIRTIO_STATUS_FEATURES_OK   8

Typedefs
typedef struct _virtio_mmio_	VirtioMMIOHeader
typedef struct _common_config_	virtio_common_config

Enumerations
enum	virtio_gpu_ctrl_type {   VIRTIO_GPU_CMD_GET_DISPLAY_INFO = 0x0100 , VIRTIO_GPU_CMD_RESOURCE_CREATE_2D , VIRTIO_GPU_CMD_RESOURCE_UNREF , VIRTIO_GPU_CMD_SET_SCANOUT ,   VIRTIO_GPU_CMD_RESOURCE_FLUSH , VIRTIO_GPU_CMD_TRANSFER_TO_HOST2D , VIRTIO_GPU_CMD_RESOURCE_ATTACH_BACKING , VIRTIO_GPU_CMD_RESOURCE_DETACH_BACKING ,   VIRTIO_GPU_CMD_GET_CAPSET_INFO , VIRTIO_GPU_CMD_GET_CAPSET , VIRTIO_GPU_CMD_GET_EDID , VIRTIO_GPU_CMD_RESOURCE_ASSIGN_UUID ,   VIRTIO_GPU_CMD_RESOURCE_CREATE_BLOB , VIRTIO_GPU_CMD_SET_SCANOUT_BLOB , VIRTIO_GPU_CMD_CTX_CREATE = 0x0200 , VIRTIO_GPU_CMD_CTX_DESTROY ,   VIRTIO_GPU_CMD_CTX_ATTACH_RESOURCE , VIRTIO_GPU_CMD_CTX_DETACH_RESOURCE , VIRTIO_GPU_CMD_RESOURCE_CREATE_3D , VIRTIO_GPU_CMD_TRANSFER_TO_HOST_3D ,   VIRTIO_GPU_CMD_TRANSFER_FROM_HOST_3D , VIRTIO_GPU_CMD_SUBMIT_3D , VIRTIO_GPU_CMD_RESOURCE_MAP_BLOB , VIRTIO_GPU_CMD_RESOURCE_UNMAP_BLOB ,   VIRTIO_GPU_CMD_UPDATE_CURSOR = 0x0300 , VIRTIO_GPU_CMD_MOVE_CURSOR , VIRTIO_GPU_RESP_OK_NODATA = 0x1100 , VIRTIO_GPU_RESP_OK_DISPLAY_INFO ,   VIRTIO_GPU_RESP_OK_CAPSET_INFO , VIRTIO_GPU_RESP_OK_CAPSET , VIRTIO_GPU_RESP_OK_EDID , VIRTIO_GPU_RESP_OK_RESOURCE_UUID ,   VIRTIO_GPU_RESP_OK_MAP_INFO , VIRTIO_GPU_RESP_ERR_UNSPEC = 0x1200 , VIRTIO_GPU_RESP_ERR_OUT_OF_MEMORY , VIRTIO_GPU_RESP_ERR_INVALID_SCANOUT_ID ,   VIRTIO_GPU_RESP_ERR_INVALID_RESOURCE_ID , VIRTIO_GPU_RESP_ERR_INVALID_CONTEXT_ID , VIRTIO_GPU_RESP_ERR_INVALID_PARAMETER }

Macro Definition Documentation

VIRTIO_GPU_FLAG_FENCE

#define VIRTIO_GPU_FLAG_FENCE   (1<<0)

VIRTIO_GPU_FLAG_INFO_RING_IDX

#define VIRTIO_GPU_FLAG_INFO_RING_IDX   (1<<1)

VIRTIO_MAGIC_VALUE

#define VIRTIO_MAGIC_VALUE   0x74726976

BSD 2-Clause License

Copyright (c) 2022-2025, Manas Kamal Choudhury All rights reserved.

Redistribution and use in source and binary forms, with or without modification, are permitted provided that the following conditions are met:

1. Redistributions of source code must retain the above copyright notice, this list of conditions and the following disclaimer.
2. Redistributions in binary form must reproduce the above copyright notice, this list of conditions and the following disclaimer in the documentation and/or other materials provided with the distribution.

THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.

VIRTIO_PCI_CAP_COMMON_CFG

#define VIRTIO_PCI_CAP_COMMON_CFG   1

VIRTIO_PCI_CAP_DEVICE_CFG

#define VIRTIO_PCI_CAP_DEVICE_CFG   4

VIRTIO_PCI_CAP_ID

#define VIRTIO_PCI_CAP_ID   0x09

VIRTIO_STATUS_ACKNOWLEDGE

#define VIRTIO_STATUS_ACKNOWLEDGE   1

VIRTIO_STATUS_DRIVER

#define VIRTIO_STATUS_DRIVER   2

VIRTIO_STATUS_DRIVER_OK

#define VIRTIO_STATUS_DRIVER_OK   4

VIRTIO_STATUS_FEATURES_OK

#define VIRTIO_STATUS_FEATURES_OK   8

VIRTIO_VENDOR_ID_QEMU

#define VIRTIO_VENDOR_ID_QEMU   0x554D4551

Typedef Documentation

virtio_common_config

typedef struct _common_config_ virtio_common_config

VirtioMMIOHeader

typedef struct _virtio_mmio_ VirtioMMIOHeader

Enumeration Type Documentation

virtio_gpu_ctrl_type

enum virtio_gpu_ctrl_type

Enumerator
VIRTIO_GPU_CMD_GET_DISPLAY_INFO
VIRTIO_GPU_CMD_RESOURCE_CREATE_2D
VIRTIO_GPU_CMD_RESOURCE_UNREF
VIRTIO_GPU_CMD_SET_SCANOUT
VIRTIO_GPU_CMD_RESOURCE_FLUSH
VIRTIO_GPU_CMD_TRANSFER_TO_HOST2D
VIRTIO_GPU_CMD_RESOURCE_ATTACH_BACKING
VIRTIO_GPU_CMD_RESOURCE_DETACH_BACKING
VIRTIO_GPU_CMD_GET_CAPSET_INFO
VIRTIO_GPU_CMD_GET_CAPSET
VIRTIO_GPU_CMD_GET_EDID
VIRTIO_GPU_CMD_RESOURCE_ASSIGN_UUID
VIRTIO_GPU_CMD_RESOURCE_CREATE_BLOB
VIRTIO_GPU_CMD_SET_SCANOUT_BLOB
VIRTIO_GPU_CMD_CTX_CREATE
VIRTIO_GPU_CMD_CTX_DESTROY
VIRTIO_GPU_CMD_CTX_ATTACH_RESOURCE
VIRTIO_GPU_CMD_CTX_DETACH_RESOURCE
VIRTIO_GPU_CMD_RESOURCE_CREATE_3D
VIRTIO_GPU_CMD_TRANSFER_TO_HOST_3D
VIRTIO_GPU_CMD_TRANSFER_FROM_HOST_3D
VIRTIO_GPU_CMD_SUBMIT_3D
VIRTIO_GPU_CMD_RESOURCE_MAP_BLOB
VIRTIO_GPU_CMD_RESOURCE_UNMAP_BLOB
VIRTIO_GPU_CMD_UPDATE_CURSOR
VIRTIO_GPU_CMD_MOVE_CURSOR
VIRTIO_GPU_RESP_OK_NODATA
VIRTIO_GPU_RESP_OK_DISPLAY_INFO
VIRTIO_GPU_RESP_OK_CAPSET_INFO
VIRTIO_GPU_RESP_OK_CAPSET
VIRTIO_GPU_RESP_OK_EDID
VIRTIO_GPU_RESP_OK_RESOURCE_UUID
VIRTIO_GPU_RESP_OK_MAP_INFO
VIRTIO_GPU_RESP_ERR_UNSPEC
VIRTIO_GPU_RESP_ERR_OUT_OF_MEMORY
VIRTIO_GPU_RESP_ERR_INVALID_SCANOUT_ID
VIRTIO_GPU_RESP_ERR_INVALID_RESOURCE_ID
VIRTIO_GPU_RESP_ERR_INVALID_CONTEXT_ID
VIRTIO_GPU_RESP_ERR_INVALID_PARAMETER