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"
28 #include "hw/9pfs/virtio-9p.h"
30 #ifdef CONFIG_VHOST_SCSI
31 #include "hw/virtio/vhost-scsi.h"
34 typedef struct VirtIOPCIProxy VirtIOPCIProxy
;
35 typedef struct VirtIOBlkPCI VirtIOBlkPCI
;
36 typedef struct VirtIOSCSIPCI VirtIOSCSIPCI
;
37 typedef struct VirtIOBalloonPCI VirtIOBalloonPCI
;
38 typedef struct VirtIOSerialPCI VirtIOSerialPCI
;
39 typedef struct VirtIONetPCI VirtIONetPCI
;
40 typedef struct VHostSCSIPCI VHostSCSIPCI
;
41 typedef struct VirtIORngPCI VirtIORngPCI
;
45 typedef struct VirtioBusState VirtioPCIBusState
;
46 typedef struct VirtioBusClass VirtioPCIBusClass
;
48 #define TYPE_VIRTIO_PCI_BUS "virtio-pci-bus"
49 #define VIRTIO_PCI_BUS(obj) \
50 OBJECT_CHECK(VirtioPCIBusState, (obj), TYPE_VIRTIO_PCI_BUS)
51 #define VIRTIO_PCI_BUS_GET_CLASS(obj) \
52 OBJECT_GET_CLASS(VirtioPCIBusClass, obj, TYPE_VIRTIO_PCI_BUS)
53 #define VIRTIO_PCI_BUS_CLASS(klass) \
54 OBJECT_CLASS_CHECK(VirtioPCIBusClass, klass, TYPE_VIRTIO_PCI_BUS)
56 /* Performance improves when virtqueue kick processing is decoupled from the
57 * vcpu thread using ioeventfd for some devices. */
58 #define VIRTIO_PCI_FLAG_USE_IOEVENTFD_BIT 1
59 #define VIRTIO_PCI_FLAG_USE_IOEVENTFD (1 << VIRTIO_PCI_FLAG_USE_IOEVENTFD_BIT)
68 * virtio-pci: This is the PCIDevice which has a virtio-pci-bus.
70 #define TYPE_VIRTIO_PCI "virtio-pci"
71 #define VIRTIO_PCI_GET_CLASS(obj) \
72 OBJECT_GET_CLASS(VirtioPCIClass, obj, TYPE_VIRTIO_PCI)
73 #define VIRTIO_PCI_CLASS(klass) \
74 OBJECT_CLASS_CHECK(VirtioPCIClass, klass, TYPE_VIRTIO_PCI)
75 #define VIRTIO_PCI(obj) \
76 OBJECT_CHECK(VirtIOPCIProxy, (obj), TYPE_VIRTIO_PCI)
78 typedef struct VirtioPCIClass
{
79 PCIDeviceClass parent_class
;
80 int (*init
)(VirtIOPCIProxy
*vpci_dev
);
83 struct VirtIOPCIProxy
{
90 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
;
175 * virtio-9p-pci: This extends VirtioPCIProxy.
180 #define TYPE_VIRTIO_9P_PCI "virtio-9p-pci"
181 #define VIRTIO_9P_PCI(obj) \
182 OBJECT_CHECK(V9fsPCIState, (obj), TYPE_VIRTIO_9P_PCI)
184 typedef struct V9fsPCIState
{
185 VirtIOPCIProxy parent_obj
;
192 * virtio-rng-pci: This extends VirtioPCIProxy.
194 #define TYPE_VIRTIO_RNG_PCI "virtio-rng-pci"
195 #define VIRTIO_RNG_PCI(obj) \
196 OBJECT_CHECK(VirtIORngPCI, (obj), TYPE_VIRTIO_RNG_PCI)
198 struct VirtIORngPCI
{
199 VirtIOPCIProxy parent_obj
;
203 /* Virtio ABI version, if we increment this, we break the guest driver. */
204 #define VIRTIO_PCI_ABI_VERSION 0