qemu/hw/virtio-pci.h
Aneesh Kumar K.V 8798d6c98e hw/9pfs: Add qdev.reset callback for virtio-9p-pci device
Add the device reset callback

Signed-off-by: Aneesh Kumar K.V <aneesh.kumar@linux.vnet.ibm.com>
2011-12-04 22:35:28 +05:30

54 lines
1.3 KiB
C

/*
* Virtio PCI Bindings
*
* Copyright IBM, Corp. 2007
* Copyright (c) 2009 CodeSourcery
*
* Authors:
* Anthony Liguori <aliguori@us.ibm.com>
* Paul Brook <paul@codesourcery.com>
*
* This work is licensed under the terms of the GNU GPL, version 2. See
* the COPYING file in the top-level directory.
*/
#ifndef QEMU_VIRTIO_PCI_H
#define QEMU_VIRTIO_PCI_H
#include "virtio-net.h"
#include "virtio-serial.h"
/* Performance improves when virtqueue kick processing is decoupled from the
* vcpu thread using ioeventfd for some devices. */
#define VIRTIO_PCI_FLAG_USE_IOEVENTFD_BIT 1
#define VIRTIO_PCI_FLAG_USE_IOEVENTFD (1 << VIRTIO_PCI_FLAG_USE_IOEVENTFD_BIT)
typedef struct {
PCIDevice pci_dev;
VirtIODevice *vdev;
MemoryRegion bar;
MemoryRegion msix_bar;
uint32_t flags;
uint32_t class_code;
uint32_t nvectors;
BlockConf block;
char *block_serial;
NICConf nic;
uint32_t host_features;
#ifdef CONFIG_LINUX
V9fsConf fsconf;
#endif
virtio_serial_conf serial;
virtio_net_conf net;
bool ioeventfd_disabled;
bool ioeventfd_started;
} VirtIOPCIProxy;
void virtio_init_pci(VirtIOPCIProxy *proxy, VirtIODevice *vdev);
void virtio_pci_reset(DeviceState *d);
/* Virtio ABI version, if we increment this, we break the guest driver. */
#define VIRTIO_PCI_ABI_VERSION 0
#endif