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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 | ||
cf7c3f0c | 18 | #include "hw/pci/msi.h" |
0d09e41a PB |
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" | |
0a2acf5e | 27 | |
085bccb7 | 28 | typedef struct VirtIOPCIProxy VirtIOPCIProxy; |
653ced07 | 29 | typedef struct VirtIOBlkPCI VirtIOBlkPCI; |
bc7b90a0 | 30 | typedef struct VirtIOSCSIPCI VirtIOSCSIPCI; |
e378e88d | 31 | typedef struct VirtIOBalloonPCI VirtIOBalloonPCI; |
f7f7464a | 32 | typedef struct VirtIOSerialPCI VirtIOSerialPCI; |
e37da394 | 33 | typedef struct VirtIONetPCI VirtIONetPCI; |
085bccb7 | 34 | |
0a2acf5e FK |
35 | /* virtio-pci-bus */ |
36 | ||
37 | typedef struct VirtioBusState VirtioPCIBusState; | |
38 | typedef struct VirtioBusClass VirtioPCIBusClass; | |
39 | ||
40 | #define TYPE_VIRTIO_PCI_BUS "virtio-pci-bus" | |
41 | #define VIRTIO_PCI_BUS(obj) \ | |
42 | OBJECT_CHECK(VirtioPCIBusState, (obj), TYPE_VIRTIO_PCI_BUS) | |
43 | #define VIRTIO_PCI_BUS_GET_CLASS(obj) \ | |
44 | OBJECT_GET_CLASS(VirtioPCIBusClass, obj, TYPE_VIRTIO_PCI_BUS) | |
45 | #define VIRTIO_PCI_BUS_CLASS(klass) \ | |
46 | OBJECT_CLASS_CHECK(VirtioPCIBusClass, klass, TYPE_VIRTIO_PCI_BUS) | |
9fe1ebeb | 47 | |
5745e38a AK |
48 | /* Performance improves when virtqueue kick processing is decoupled from the |
49 | * vcpu thread using ioeventfd for some devices. */ | |
50 | #define VIRTIO_PCI_FLAG_USE_IOEVENTFD_BIT 1 | |
51 | #define VIRTIO_PCI_FLAG_USE_IOEVENTFD (1 << VIRTIO_PCI_FLAG_USE_IOEVENTFD_BIT) | |
52 | ||
7d37d351 | 53 | typedef struct { |
774345f9 | 54 | MSIMessage msg; |
7d37d351 JK |
55 | int virq; |
56 | unsigned int users; | |
57 | } VirtIOIRQFD; | |
58 | ||
085bccb7 FK |
59 | /* |
60 | * virtio-pci: This is the PCIDevice which has a virtio-pci-bus. | |
61 | */ | |
62 | #define TYPE_VIRTIO_PCI "virtio-pci" | |
63 | #define VIRTIO_PCI_GET_CLASS(obj) \ | |
64 | OBJECT_GET_CLASS(VirtioPCIClass, obj, TYPE_VIRTIO_PCI) | |
65 | #define VIRTIO_PCI_CLASS(klass) \ | |
66 | OBJECT_CLASS_CHECK(VirtioPCIClass, klass, TYPE_VIRTIO_PCI) | |
67 | #define VIRTIO_PCI(obj) \ | |
68 | OBJECT_CHECK(VirtIOPCIProxy, (obj), TYPE_VIRTIO_PCI) | |
69 | ||
70 | typedef struct VirtioPCIClass { | |
71 | PCIDeviceClass parent_class; | |
72 | int (*init)(VirtIOPCIProxy *vpci_dev); | |
73 | } VirtioPCIClass; | |
74 | ||
75 | struct VirtIOPCIProxy { | |
9fe1ebeb AK |
76 | PCIDevice pci_dev; |
77 | VirtIODevice *vdev; | |
da146d0a | 78 | MemoryRegion bar; |
9fe1ebeb | 79 | uint32_t flags; |
9fe1ebeb AK |
80 | uint32_t class_code; |
81 | uint32_t nvectors; | |
9fe1ebeb | 82 | uint32_t host_features; |
7e6b14df | 83 | #ifdef CONFIG_VIRTFS |
9fe1ebeb AK |
84 | V9fsConf fsconf; |
85 | #endif | |
16c915ba | 86 | VirtIORNGConf rng; |
9fe1ebeb AK |
87 | bool ioeventfd_disabled; |
88 | bool ioeventfd_started; | |
7d37d351 | 89 | VirtIOIRQFD *vector_irqfd; |
2d620f59 | 90 | int nvqs_with_notifiers; |
085bccb7 FK |
91 | VirtioBusState bus; |
92 | }; | |
9fe1ebeb | 93 | |
bc7b90a0 FK |
94 | |
95 | /* | |
96 | * virtio-scsi-pci: This extends VirtioPCIProxy. | |
97 | */ | |
98 | #define TYPE_VIRTIO_SCSI_PCI "virtio-scsi-pci" | |
99 | #define VIRTIO_SCSI_PCI(obj) \ | |
100 | OBJECT_CHECK(VirtIOSCSIPCI, (obj), TYPE_VIRTIO_SCSI_PCI) | |
101 | ||
102 | struct VirtIOSCSIPCI { | |
103 | VirtIOPCIProxy parent_obj; | |
104 | VirtIOSCSI vdev; | |
105 | }; | |
106 | ||
653ced07 FK |
107 | /* |
108 | * virtio-blk-pci: This extends VirtioPCIProxy. | |
109 | */ | |
110 | #define TYPE_VIRTIO_BLK_PCI "virtio-blk-pci" | |
111 | #define VIRTIO_BLK_PCI(obj) \ | |
112 | OBJECT_CHECK(VirtIOBlkPCI, (obj), TYPE_VIRTIO_BLK_PCI) | |
113 | ||
114 | struct VirtIOBlkPCI { | |
115 | VirtIOPCIProxy parent_obj; | |
116 | VirtIOBlock vdev; | |
117 | VirtIOBlkConf blk; | |
118 | }; | |
119 | ||
e378e88d FK |
120 | /* |
121 | * virtio-balloon-pci: This extends VirtioPCIProxy. | |
122 | */ | |
123 | #define TYPE_VIRTIO_BALLOON_PCI "virtio-balloon-pci" | |
124 | #define VIRTIO_BALLOON_PCI(obj) \ | |
125 | OBJECT_CHECK(VirtIOBalloonPCI, (obj), TYPE_VIRTIO_BALLOON_PCI) | |
126 | ||
127 | struct VirtIOBalloonPCI { | |
128 | VirtIOPCIProxy parent_obj; | |
129 | VirtIOBalloon vdev; | |
130 | }; | |
131 | ||
f7f7464a FK |
132 | /* |
133 | * virtio-serial-pci: This extends VirtioPCIProxy. | |
134 | */ | |
135 | #define TYPE_VIRTIO_SERIAL_PCI "virtio-serial-pci" | |
136 | #define VIRTIO_SERIAL_PCI(obj) \ | |
137 | OBJECT_CHECK(VirtIOSerialPCI, (obj), TYPE_VIRTIO_SERIAL_PCI) | |
138 | ||
139 | struct VirtIOSerialPCI { | |
140 | VirtIOPCIProxy parent_obj; | |
141 | VirtIOSerial vdev; | |
142 | }; | |
143 | ||
e37da394 FK |
144 | /* |
145 | * virtio-net-pci: This extends VirtioPCIProxy. | |
146 | */ | |
147 | #define TYPE_VIRTIO_NET_PCI "virtio-net-pci" | |
148 | #define VIRTIO_NET_PCI(obj) \ | |
149 | OBJECT_CHECK(VirtIONetPCI, (obj), TYPE_VIRTIO_NET_PCI) | |
150 | ||
151 | struct VirtIONetPCI { | |
152 | VirtIOPCIProxy parent_obj; | |
153 | VirtIONet vdev; | |
154 | }; | |
155 | ||
befeac45 | 156 | void virtio_init_pci(VirtIOPCIProxy *proxy, VirtIODevice *vdev); |
0a2acf5e | 157 | void virtio_pci_bus_new(VirtioBusState *bus, VirtIOPCIProxy *dev); |
befeac45 MT |
158 | |
159 | /* Virtio ABI version, if we increment this, we break the guest driver. */ | |
160 | #define VIRTIO_PCI_ABI_VERSION 0 | |
161 | ||
9fe1ebeb | 162 | #endif |