root / hw / virtio-pci.h @ 8798d6c9
History | View | Annotate | Download (1.3 kB)
1 |
/*
|
---|---|
2 |
* Virtio PCI Bindings
|
3 |
*
|
4 |
* Copyright IBM, Corp. 2007
|
5 |
* Copyright (c) 2009 CodeSourcery
|
6 |
*
|
7 |
* Authors:
|
8 |
* Anthony Liguori <aliguori@us.ibm.com>
|
9 |
* Paul Brook <paul@codesourcery.com>
|
10 |
*
|
11 |
* This work is licensed under the terms of the GNU GPL, version 2. See
|
12 |
* the COPYING file in the top-level directory.
|
13 |
*/
|
14 |
|
15 |
#ifndef QEMU_VIRTIO_PCI_H
|
16 |
#define QEMU_VIRTIO_PCI_H
|
17 |
|
18 |
#include "virtio-net.h" |
19 |
#include "virtio-serial.h" |
20 |
|
21 |
/* Performance improves when virtqueue kick processing is decoupled from the
|
22 |
* vcpu thread using ioeventfd for some devices. */
|
23 |
#define VIRTIO_PCI_FLAG_USE_IOEVENTFD_BIT 1 |
24 |
#define VIRTIO_PCI_FLAG_USE_IOEVENTFD (1 << VIRTIO_PCI_FLAG_USE_IOEVENTFD_BIT) |
25 |
|
26 |
typedef struct { |
27 |
PCIDevice pci_dev; |
28 |
VirtIODevice *vdev; |
29 |
MemoryRegion bar; |
30 |
MemoryRegion msix_bar; |
31 |
uint32_t flags; |
32 |
uint32_t class_code; |
33 |
uint32_t nvectors; |
34 |
BlockConf block; |
35 |
char *block_serial;
|
36 |
NICConf nic; |
37 |
uint32_t host_features; |
38 |
#ifdef CONFIG_LINUX
|
39 |
V9fsConf fsconf; |
40 |
#endif
|
41 |
virtio_serial_conf serial; |
42 |
virtio_net_conf net; |
43 |
bool ioeventfd_disabled;
|
44 |
bool ioeventfd_started;
|
45 |
} VirtIOPCIProxy; |
46 |
|
47 |
void virtio_init_pci(VirtIOPCIProxy *proxy, VirtIODevice *vdev);
|
48 |
void virtio_pci_reset(DeviceState *d);
|
49 |
|
50 |
/* Virtio ABI version, if we increment this, we break the guest driver. */
|
51 |
#define VIRTIO_PCI_ABI_VERSION 0 |
52 |
|
53 |
#endif
|