blob: dc838f38d59bffd4519285433ed7cdb113696e8a (
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
|
/*
* Copyright (c) 2019 Stefan Fritsch <sf@openbsd.org>
*
* Permission to use, copy, modify, and distribute this software for any
* purpose with or without fee is hereby granted, provided that the above
* copyright notice and this permission notice appear in all copies.
*
* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
* ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
* ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
* OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
*/
#ifndef _DEV_PCI_VIRTIO_PCIREG_H_
#define _DEV_PCI_VIRTIO_PCIREG_H_
/* Virtio 0.9 config space */
#define VIRTIO_CONFIG_DEVICE_FEATURES 0 /* 32bit */
#define VIRTIO_CONFIG_GUEST_FEATURES 4 /* 32bit */
#define VIRTIO_CONFIG_QUEUE_ADDRESS 8 /* 32bit */
#define VIRTIO_CONFIG_QUEUE_SIZE 12 /* 16bit */
#define VIRTIO_CONFIG_QUEUE_SELECT 14 /* 16bit */
#define VIRTIO_CONFIG_QUEUE_NOTIFY 16 /* 16bit */
#define VIRTIO_CONFIG_DEVICE_STATUS 18 /* 8bit */
#define VIRTIO_CONFIG_ISR_STATUS 19 /* 8bit */
#define VIRTIO_CONFIG_ISR_CONFIG_CHANGE 2
#define VIRTIO_CONFIG_DEVICE_CONFIG_NOMSI 20
/* Only if MSIX is enabled: */
#define VIRTIO_MSI_CONFIG_VECTOR 20 /* 16bit, optional */
#define VIRTIO_MSI_QUEUE_VECTOR 22 /* 16bit, optional */
#define VIRTIO_CONFIG_DEVICE_CONFIG_MSI 24
#define VIRTIO_MSI_NO_VECTOR 0xffff
#endif /* _DEV_PCI_VIRTIO_PCIREG_H_ */
|
