projects / qemu.git / blame
| Commit | Line | Data |
|---|---|---|
| 9fe1ebeb AK |
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 | ||
| 5745e38a AK |
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 | ||
| 9fe1ebeb AK |
26 | typedef struct { |
| 27 | PCIDevice pci_dev; | |
| 28 | VirtIODevice *vdev; | |
| da146d0a | 29 | MemoryRegion bar; |
| 95524ae8 | 30 | MemoryRegion msix_bar; |
| 9fe1ebeb | 31 | uint32_t flags; |
| 9fe1ebeb AK |
32 | uint32_t class_code; |
| 33 | uint32_t nvectors; | |
| 34 | BlockConf block; | |
| a8686a9b | 35 | char *block_serial; |
| 9fe1ebeb AK |
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 | ||
| befeac45 | 47 | void virtio_init_pci(VirtIOPCIProxy *proxy, VirtIODevice *vdev); |
| 8798d6c9 | 48 | void virtio_pci_reset(DeviceState *d); |
| befeac45 MT |
49 | |
| 50 | /* Virtio ABI version, if we increment this, we break the guest driver. */ | |
| 51 | #define VIRTIO_PCI_ABI_VERSION 0 | |
| 52 | ||
| 9fe1ebeb | 53 | #endif |