4 * Copyright IBM, Corp. 2007
5 * Copyright (c) 2009 CodeSourcery
8 * Anthony Liguori <aliguori@us.ibm.com>
9 * Paul Brook <paul@codesourcery.com>
11 * This work is licensed under the terms of the GNU GPL, version 2. See
12 * the COPYING file in the top-level directory.
15 #ifndef QEMU_VIRTIO_PCI_H
16 #define QEMU_VIRTIO_PCI_H
18 #include "hw/pci/msi.h"
19 #include "hw/virtio/virtio-blk.h"
20 #include "hw/virtio/virtio-net.h"
21 #include "hw/virtio/virtio-rng.h"
22 #include "hw/virtio/virtio-serial.h"
23 #include "hw/virtio/virtio-scsi.h"
24 #include "hw/virtio/virtio-balloon.h"
25 #include "hw/virtio/virtio-bus.h"
26 #include "hw/virtio/virtio-9p.h"
27 #ifdef CONFIG_VHOST_SCSI
28 #include "hw/virtio/vhost-scsi.h"
31 typedef struct VirtIOPCIProxy VirtIOPCIProxy;
32 typedef struct VirtIOBlkPCI VirtIOBlkPCI;
33 typedef struct VirtIOSCSIPCI VirtIOSCSIPCI;
34 typedef struct VirtIOBalloonPCI VirtIOBalloonPCI;
35 typedef struct VirtIOSerialPCI VirtIOSerialPCI;
36 typedef struct VirtIONetPCI VirtIONetPCI;
37 typedef struct VHostSCSIPCI VHostSCSIPCI;
41 typedef struct VirtioBusState VirtioPCIBusState;
42 typedef struct VirtioBusClass VirtioPCIBusClass;
44 #define TYPE_VIRTIO_PCI_BUS "virtio-pci-bus"
45 #define VIRTIO_PCI_BUS(obj) \
46 OBJECT_CHECK(VirtioPCIBusState, (obj), TYPE_VIRTIO_PCI_BUS)
47 #define VIRTIO_PCI_BUS_GET_CLASS(obj) \
48 OBJECT_GET_CLASS(VirtioPCIBusClass, obj, TYPE_VIRTIO_PCI_BUS)
49 #define VIRTIO_PCI_BUS_CLASS(klass) \
50 OBJECT_CLASS_CHECK(VirtioPCIBusClass, klass, TYPE_VIRTIO_PCI_BUS)
52 /* Performance improves when virtqueue kick processing is decoupled from the
53 * vcpu thread using ioeventfd for some devices. */
54 #define VIRTIO_PCI_FLAG_USE_IOEVENTFD_BIT 1
55 #define VIRTIO_PCI_FLAG_USE_IOEVENTFD (1 << VIRTIO_PCI_FLAG_USE_IOEVENTFD_BIT)
64 * virtio-pci: This is the PCIDevice which has a virtio-pci-bus.
66 #define TYPE_VIRTIO_PCI "virtio-pci"
67 #define VIRTIO_PCI_GET_CLASS(obj) \
68 OBJECT_GET_CLASS(VirtioPCIClass, obj, TYPE_VIRTIO_PCI)
69 #define VIRTIO_PCI_CLASS(klass) \
70 OBJECT_CLASS_CHECK(VirtioPCIClass, klass, TYPE_VIRTIO_PCI)
71 #define VIRTIO_PCI(obj) \
72 OBJECT_CHECK(VirtIOPCIProxy, (obj), TYPE_VIRTIO_PCI)
74 typedef struct VirtioPCIClass {
75 PCIDeviceClass parent_class;
76 int (*init)(VirtIOPCIProxy *vpci_dev);
79 struct VirtIOPCIProxy {
86 uint32_t host_features;
91 bool ioeventfd_disabled;
92 bool ioeventfd_started;
93 VirtIOIRQFD *vector_irqfd;
94 int nvqs_with_notifiers;
100 * virtio-scsi-pci: This extends VirtioPCIProxy.
102 #define TYPE_VIRTIO_SCSI_PCI "virtio-scsi-pci"
103 #define VIRTIO_SCSI_PCI(obj) \
104 OBJECT_CHECK(VirtIOSCSIPCI, (obj), TYPE_VIRTIO_SCSI_PCI)
106 struct VirtIOSCSIPCI {
107 VirtIOPCIProxy parent_obj;
111 #ifdef CONFIG_VHOST_SCSI
113 * vhost-scsi-pci: This extends VirtioPCIProxy.
115 #define TYPE_VHOST_SCSI_PCI "vhost-scsi-pci"
116 #define VHOST_SCSI_PCI(obj) \
117 OBJECT_CHECK(VHostSCSIPCI, (obj), TYPE_VHOST_SCSI_PCI)
119 struct VHostSCSIPCI {
120 VirtIOPCIProxy parent_obj;
126 * virtio-blk-pci: This extends VirtioPCIProxy.
128 #define TYPE_VIRTIO_BLK_PCI "virtio-blk-pci"
129 #define VIRTIO_BLK_PCI(obj) \
130 OBJECT_CHECK(VirtIOBlkPCI, (obj), TYPE_VIRTIO_BLK_PCI)
132 struct VirtIOBlkPCI {
133 VirtIOPCIProxy parent_obj;
139 * virtio-balloon-pci: This extends VirtioPCIProxy.
141 #define TYPE_VIRTIO_BALLOON_PCI "virtio-balloon-pci"
142 #define VIRTIO_BALLOON_PCI(obj) \
143 OBJECT_CHECK(VirtIOBalloonPCI, (obj), TYPE_VIRTIO_BALLOON_PCI)
145 struct VirtIOBalloonPCI {
146 VirtIOPCIProxy parent_obj;
151 * virtio-serial-pci: This extends VirtioPCIProxy.
153 #define TYPE_VIRTIO_SERIAL_PCI "virtio-serial-pci"
154 #define VIRTIO_SERIAL_PCI(obj) \
155 OBJECT_CHECK(VirtIOSerialPCI, (obj), TYPE_VIRTIO_SERIAL_PCI)
157 struct VirtIOSerialPCI {
158 VirtIOPCIProxy parent_obj;
163 * virtio-net-pci: This extends VirtioPCIProxy.
165 #define TYPE_VIRTIO_NET_PCI "virtio-net-pci"
166 #define VIRTIO_NET_PCI(obj) \
167 OBJECT_CHECK(VirtIONetPCI, (obj), TYPE_VIRTIO_NET_PCI)
169 struct VirtIONetPCI {
170 VirtIOPCIProxy parent_obj;
174 void virtio_init_pci(VirtIOPCIProxy *proxy, VirtIODevice *vdev);
175 void virtio_pci_bus_new(VirtioBusState *bus, VirtIOPCIProxy *dev);
177 /* Virtio ABI version, if we increment this, we break the guest driver. */
178 #define VIRTIO_PCI_ABI_VERSION 0