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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" | |
234a336f FK |
27 | #ifdef CONFIG_VIRTFS |
28 | #include "hw/9pfs/virtio-9p.h" | |
29 | #endif | |
50787628 NB |
30 | #ifdef CONFIG_VHOST_SCSI |
31 | #include "hw/virtio/vhost-scsi.h" | |
32 | #endif | |
0a2acf5e | 33 | |
085bccb7 | 34 | typedef struct VirtIOPCIProxy VirtIOPCIProxy; |
653ced07 | 35 | typedef struct VirtIOBlkPCI VirtIOBlkPCI; |
bc7b90a0 | 36 | typedef struct VirtIOSCSIPCI VirtIOSCSIPCI; |
e378e88d | 37 | typedef struct VirtIOBalloonPCI VirtIOBalloonPCI; |
f7f7464a | 38 | typedef struct VirtIOSerialPCI VirtIOSerialPCI; |
e37da394 | 39 | typedef struct VirtIONetPCI VirtIONetPCI; |
50787628 | 40 | typedef struct VHostSCSIPCI VHostSCSIPCI; |
59ccd20a | 41 | typedef struct VirtIORngPCI VirtIORngPCI; |
085bccb7 | 42 | |
0a2acf5e FK |
43 | /* virtio-pci-bus */ |
44 | ||
45 | typedef struct VirtioBusState VirtioPCIBusState; | |
46 | typedef struct VirtioBusClass VirtioPCIBusClass; | |
47 | ||
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) | |
9fe1ebeb | 55 | |
68a27b20 MT |
56 | /* Need to activate work-arounds for buggy guests at vmstate load. */ |
57 | #define VIRTIO_PCI_FLAG_BUS_MASTER_BUG_MIGRATION_BIT 0 | |
58 | #define VIRTIO_PCI_FLAG_BUS_MASTER_BUG_MIGRATION \ | |
59 | (1 << VIRTIO_PCI_FLAG_BUS_MASTER_BUG_MIGRATION_BIT) | |
60 | ||
5745e38a AK |
61 | /* Performance improves when virtqueue kick processing is decoupled from the |
62 | * vcpu thread using ioeventfd for some devices. */ | |
63 | #define VIRTIO_PCI_FLAG_USE_IOEVENTFD_BIT 1 | |
64 | #define VIRTIO_PCI_FLAG_USE_IOEVENTFD (1 << VIRTIO_PCI_FLAG_USE_IOEVENTFD_BIT) | |
65 | ||
7d37d351 | 66 | typedef struct { |
774345f9 | 67 | MSIMessage msg; |
7d37d351 JK |
68 | int virq; |
69 | unsigned int users; | |
70 | } VirtIOIRQFD; | |
71 | ||
085bccb7 FK |
72 | /* |
73 | * virtio-pci: This is the PCIDevice which has a virtio-pci-bus. | |
74 | */ | |
75 | #define TYPE_VIRTIO_PCI "virtio-pci" | |
76 | #define VIRTIO_PCI_GET_CLASS(obj) \ | |
77 | OBJECT_GET_CLASS(VirtioPCIClass, obj, TYPE_VIRTIO_PCI) | |
78 | #define VIRTIO_PCI_CLASS(klass) \ | |
79 | OBJECT_CLASS_CHECK(VirtioPCIClass, klass, TYPE_VIRTIO_PCI) | |
80 | #define VIRTIO_PCI(obj) \ | |
81 | OBJECT_CHECK(VirtIOPCIProxy, (obj), TYPE_VIRTIO_PCI) | |
82 | ||
83 | typedef struct VirtioPCIClass { | |
84 | PCIDeviceClass parent_class; | |
85 | int (*init)(VirtIOPCIProxy *vpci_dev); | |
86 | } VirtioPCIClass; | |
87 | ||
88 | struct VirtIOPCIProxy { | |
9fe1ebeb | 89 | PCIDevice pci_dev; |
da146d0a | 90 | MemoryRegion bar; |
9fe1ebeb | 91 | uint32_t flags; |
9fe1ebeb AK |
92 | uint32_t class_code; |
93 | uint32_t nvectors; | |
9fe1ebeb | 94 | uint32_t host_features; |
9fe1ebeb AK |
95 | bool ioeventfd_disabled; |
96 | bool ioeventfd_started; | |
7d37d351 | 97 | VirtIOIRQFD *vector_irqfd; |
2d620f59 | 98 | int nvqs_with_notifiers; |
085bccb7 FK |
99 | VirtioBusState bus; |
100 | }; | |
9fe1ebeb | 101 | |
bc7b90a0 FK |
102 | |
103 | /* | |
104 | * virtio-scsi-pci: This extends VirtioPCIProxy. | |
105 | */ | |
106 | #define TYPE_VIRTIO_SCSI_PCI "virtio-scsi-pci" | |
107 | #define VIRTIO_SCSI_PCI(obj) \ | |
108 | OBJECT_CHECK(VirtIOSCSIPCI, (obj), TYPE_VIRTIO_SCSI_PCI) | |
109 | ||
110 | struct VirtIOSCSIPCI { | |
111 | VirtIOPCIProxy parent_obj; | |
112 | VirtIOSCSI vdev; | |
113 | }; | |
114 | ||
50787628 NB |
115 | #ifdef CONFIG_VHOST_SCSI |
116 | /* | |
117 | * vhost-scsi-pci: This extends VirtioPCIProxy. | |
118 | */ | |
119 | #define TYPE_VHOST_SCSI_PCI "vhost-scsi-pci" | |
120 | #define VHOST_SCSI_PCI(obj) \ | |
121 | OBJECT_CHECK(VHostSCSIPCI, (obj), TYPE_VHOST_SCSI_PCI) | |
122 | ||
123 | struct VHostSCSIPCI { | |
124 | VirtIOPCIProxy parent_obj; | |
125 | VHostSCSI vdev; | |
126 | }; | |
127 | #endif | |
128 | ||
653ced07 FK |
129 | /* |
130 | * virtio-blk-pci: This extends VirtioPCIProxy. | |
131 | */ | |
132 | #define TYPE_VIRTIO_BLK_PCI "virtio-blk-pci" | |
133 | #define VIRTIO_BLK_PCI(obj) \ | |
134 | OBJECT_CHECK(VirtIOBlkPCI, (obj), TYPE_VIRTIO_BLK_PCI) | |
135 | ||
136 | struct VirtIOBlkPCI { | |
137 | VirtIOPCIProxy parent_obj; | |
138 | VirtIOBlock vdev; | |
653ced07 FK |
139 | }; |
140 | ||
e378e88d FK |
141 | /* |
142 | * virtio-balloon-pci: This extends VirtioPCIProxy. | |
143 | */ | |
144 | #define TYPE_VIRTIO_BALLOON_PCI "virtio-balloon-pci" | |
145 | #define VIRTIO_BALLOON_PCI(obj) \ | |
146 | OBJECT_CHECK(VirtIOBalloonPCI, (obj), TYPE_VIRTIO_BALLOON_PCI) | |
147 | ||
148 | struct VirtIOBalloonPCI { | |
149 | VirtIOPCIProxy parent_obj; | |
150 | VirtIOBalloon vdev; | |
151 | }; | |
152 | ||
f7f7464a FK |
153 | /* |
154 | * virtio-serial-pci: This extends VirtioPCIProxy. | |
155 | */ | |
156 | #define TYPE_VIRTIO_SERIAL_PCI "virtio-serial-pci" | |
157 | #define VIRTIO_SERIAL_PCI(obj) \ | |
158 | OBJECT_CHECK(VirtIOSerialPCI, (obj), TYPE_VIRTIO_SERIAL_PCI) | |
159 | ||
160 | struct VirtIOSerialPCI { | |
161 | VirtIOPCIProxy parent_obj; | |
162 | VirtIOSerial vdev; | |
163 | }; | |
164 | ||
e37da394 FK |
165 | /* |
166 | * virtio-net-pci: This extends VirtioPCIProxy. | |
167 | */ | |
168 | #define TYPE_VIRTIO_NET_PCI "virtio-net-pci" | |
169 | #define VIRTIO_NET_PCI(obj) \ | |
170 | OBJECT_CHECK(VirtIONetPCI, (obj), TYPE_VIRTIO_NET_PCI) | |
171 | ||
172 | struct VirtIONetPCI { | |
173 | VirtIOPCIProxy parent_obj; | |
174 | VirtIONet vdev; | |
175 | }; | |
176 | ||
234a336f FK |
177 | /* |
178 | * virtio-9p-pci: This extends VirtioPCIProxy. | |
179 | */ | |
180 | ||
181 | #ifdef CONFIG_VIRTFS | |
182 | ||
183 | #define TYPE_VIRTIO_9P_PCI "virtio-9p-pci" | |
184 | #define VIRTIO_9P_PCI(obj) \ | |
185 | OBJECT_CHECK(V9fsPCIState, (obj), TYPE_VIRTIO_9P_PCI) | |
186 | ||
187 | typedef struct V9fsPCIState { | |
188 | VirtIOPCIProxy parent_obj; | |
189 | V9fsState vdev; | |
190 | } V9fsPCIState; | |
191 | ||
192 | #endif | |
193 | ||
59ccd20a FK |
194 | /* |
195 | * virtio-rng-pci: This extends VirtioPCIProxy. | |
196 | */ | |
197 | #define TYPE_VIRTIO_RNG_PCI "virtio-rng-pci" | |
198 | #define VIRTIO_RNG_PCI(obj) \ | |
199 | OBJECT_CHECK(VirtIORngPCI, (obj), TYPE_VIRTIO_RNG_PCI) | |
200 | ||
201 | struct VirtIORngPCI { | |
202 | VirtIOPCIProxy parent_obj; | |
203 | VirtIORNG vdev; | |
204 | }; | |
205 | ||
befeac45 MT |
206 | /* Virtio ABI version, if we increment this, we break the guest driver. */ |
207 | #define VIRTIO_PCI_ABI_VERSION 0 | |
208 | ||
9fe1ebeb | 209 | #endif |