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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" | |
f958c8aa | 27 | #include "hw/virtio/virtio-input.h" |
234a336f FK |
28 | #ifdef CONFIG_VIRTFS |
29 | #include "hw/9pfs/virtio-9p.h" | |
30 | #endif | |
50787628 NB |
31 | #ifdef CONFIG_VHOST_SCSI |
32 | #include "hw/virtio/vhost-scsi.h" | |
33 | #endif | |
0a2acf5e | 34 | |
085bccb7 | 35 | typedef struct VirtIOPCIProxy VirtIOPCIProxy; |
653ced07 | 36 | typedef struct VirtIOBlkPCI VirtIOBlkPCI; |
bc7b90a0 | 37 | typedef struct VirtIOSCSIPCI VirtIOSCSIPCI; |
e378e88d | 38 | typedef struct VirtIOBalloonPCI VirtIOBalloonPCI; |
f7f7464a | 39 | typedef struct VirtIOSerialPCI VirtIOSerialPCI; |
e37da394 | 40 | typedef struct VirtIONetPCI VirtIONetPCI; |
50787628 | 41 | typedef struct VHostSCSIPCI VHostSCSIPCI; |
59ccd20a | 42 | typedef struct VirtIORngPCI VirtIORngPCI; |
f958c8aa | 43 | typedef struct VirtIOInputPCI VirtIOInputPCI; |
710e2d90 | 44 | typedef struct VirtIOInputHIDPCI VirtIOInputHIDPCI; |
085bccb7 | 45 | |
0a2acf5e FK |
46 | /* virtio-pci-bus */ |
47 | ||
48 | typedef struct VirtioBusState VirtioPCIBusState; | |
49 | typedef struct VirtioBusClass VirtioPCIBusClass; | |
50 | ||
51 | #define TYPE_VIRTIO_PCI_BUS "virtio-pci-bus" | |
52 | #define VIRTIO_PCI_BUS(obj) \ | |
53 | OBJECT_CHECK(VirtioPCIBusState, (obj), TYPE_VIRTIO_PCI_BUS) | |
54 | #define VIRTIO_PCI_BUS_GET_CLASS(obj) \ | |
55 | OBJECT_GET_CLASS(VirtioPCIBusClass, obj, TYPE_VIRTIO_PCI_BUS) | |
56 | #define VIRTIO_PCI_BUS_CLASS(klass) \ | |
57 | OBJECT_CLASS_CHECK(VirtioPCIBusClass, klass, TYPE_VIRTIO_PCI_BUS) | |
9fe1ebeb | 58 | |
68a27b20 MT |
59 | /* Need to activate work-arounds for buggy guests at vmstate load. */ |
60 | #define VIRTIO_PCI_FLAG_BUS_MASTER_BUG_MIGRATION_BIT 0 | |
61 | #define VIRTIO_PCI_FLAG_BUS_MASTER_BUG_MIGRATION \ | |
62 | (1 << VIRTIO_PCI_FLAG_BUS_MASTER_BUG_MIGRATION_BIT) | |
63 | ||
5745e38a AK |
64 | /* Performance improves when virtqueue kick processing is decoupled from the |
65 | * vcpu thread using ioeventfd for some devices. */ | |
66 | #define VIRTIO_PCI_FLAG_USE_IOEVENTFD_BIT 1 | |
67 | #define VIRTIO_PCI_FLAG_USE_IOEVENTFD (1 << VIRTIO_PCI_FLAG_USE_IOEVENTFD_BIT) | |
68 | ||
e266d421 GH |
69 | /* virtio version flags */ |
70 | #define VIRTIO_PCI_FLAG_DISABLE_LEGACY_BIT 2 | |
71 | #define VIRTIO_PCI_FLAG_DISABLE_MODERN_BIT 3 | |
72 | #define VIRTIO_PCI_FLAG_DISABLE_LEGACY (1 << VIRTIO_PCI_FLAG_DISABLE_LEGACY_BIT) | |
73 | #define VIRTIO_PCI_FLAG_DISABLE_MODERN (1 << VIRTIO_PCI_FLAG_DISABLE_MODERN_BIT) | |
74 | ||
7d37d351 | 75 | typedef struct { |
774345f9 | 76 | MSIMessage msg; |
7d37d351 JK |
77 | int virq; |
78 | unsigned int users; | |
79 | } VirtIOIRQFD; | |
80 | ||
085bccb7 FK |
81 | /* |
82 | * virtio-pci: This is the PCIDevice which has a virtio-pci-bus. | |
83 | */ | |
84 | #define TYPE_VIRTIO_PCI "virtio-pci" | |
85 | #define VIRTIO_PCI_GET_CLASS(obj) \ | |
86 | OBJECT_GET_CLASS(VirtioPCIClass, obj, TYPE_VIRTIO_PCI) | |
87 | #define VIRTIO_PCI_CLASS(klass) \ | |
88 | OBJECT_CLASS_CHECK(VirtioPCIClass, klass, TYPE_VIRTIO_PCI) | |
89 | #define VIRTIO_PCI(obj) \ | |
90 | OBJECT_CHECK(VirtIOPCIProxy, (obj), TYPE_VIRTIO_PCI) | |
91 | ||
92 | typedef struct VirtioPCIClass { | |
93 | PCIDeviceClass parent_class; | |
fc079951 | 94 | void (*realize)(VirtIOPCIProxy *vpci_dev, Error **errp); |
085bccb7 FK |
95 | } VirtioPCIClass; |
96 | ||
588255ad GH |
97 | typedef struct VirtIOPCIRegion { |
98 | MemoryRegion mr; | |
a3cc2e81 | 99 | uint32_t offset; |
b6ce27a5 | 100 | uint32_t size; |
fc004905 | 101 | uint32_t type; |
588255ad GH |
102 | } VirtIOPCIRegion; |
103 | ||
085bccb7 | 104 | struct VirtIOPCIProxy { |
9fe1ebeb | 105 | PCIDevice pci_dev; |
da146d0a | 106 | MemoryRegion bar; |
588255ad GH |
107 | VirtIOPCIRegion common; |
108 | VirtIOPCIRegion isr; | |
109 | VirtIOPCIRegion device; | |
110 | VirtIOPCIRegion notify; | |
dfb8e184 | 111 | MemoryRegion modern_bar; |
b6ce27a5 GH |
112 | uint32_t legacy_io_bar; |
113 | uint32_t msix_bar; | |
114 | uint32_t modern_mem_bar; | |
9fe1ebeb | 115 | uint32_t flags; |
9fe1ebeb AK |
116 | uint32_t class_code; |
117 | uint32_t nvectors; | |
dfb8e184 MT |
118 | uint32_t dfselect; |
119 | uint32_t gfselect; | |
120 | uint32_t guest_features[2]; | |
121 | struct { | |
122 | uint16_t num; | |
123 | bool enabled; | |
124 | uint32_t desc[2]; | |
125 | uint32_t avail[2]; | |
126 | uint32_t used[2]; | |
127 | } vqs[VIRTIO_QUEUE_MAX]; | |
128 | ||
9fe1ebeb AK |
129 | bool ioeventfd_disabled; |
130 | bool ioeventfd_started; | |
7d37d351 | 131 | VirtIOIRQFD *vector_irqfd; |
2d620f59 | 132 | int nvqs_with_notifiers; |
085bccb7 FK |
133 | VirtioBusState bus; |
134 | }; | |
9fe1ebeb | 135 | |
bc7b90a0 FK |
136 | |
137 | /* | |
138 | * virtio-scsi-pci: This extends VirtioPCIProxy. | |
139 | */ | |
140 | #define TYPE_VIRTIO_SCSI_PCI "virtio-scsi-pci" | |
141 | #define VIRTIO_SCSI_PCI(obj) \ | |
142 | OBJECT_CHECK(VirtIOSCSIPCI, (obj), TYPE_VIRTIO_SCSI_PCI) | |
143 | ||
144 | struct VirtIOSCSIPCI { | |
145 | VirtIOPCIProxy parent_obj; | |
146 | VirtIOSCSI vdev; | |
147 | }; | |
148 | ||
50787628 NB |
149 | #ifdef CONFIG_VHOST_SCSI |
150 | /* | |
151 | * vhost-scsi-pci: This extends VirtioPCIProxy. | |
152 | */ | |
153 | #define TYPE_VHOST_SCSI_PCI "vhost-scsi-pci" | |
154 | #define VHOST_SCSI_PCI(obj) \ | |
155 | OBJECT_CHECK(VHostSCSIPCI, (obj), TYPE_VHOST_SCSI_PCI) | |
156 | ||
157 | struct VHostSCSIPCI { | |
158 | VirtIOPCIProxy parent_obj; | |
159 | VHostSCSI vdev; | |
160 | }; | |
161 | #endif | |
162 | ||
653ced07 FK |
163 | /* |
164 | * virtio-blk-pci: This extends VirtioPCIProxy. | |
165 | */ | |
166 | #define TYPE_VIRTIO_BLK_PCI "virtio-blk-pci" | |
167 | #define VIRTIO_BLK_PCI(obj) \ | |
168 | OBJECT_CHECK(VirtIOBlkPCI, (obj), TYPE_VIRTIO_BLK_PCI) | |
169 | ||
170 | struct VirtIOBlkPCI { | |
171 | VirtIOPCIProxy parent_obj; | |
172 | VirtIOBlock vdev; | |
653ced07 FK |
173 | }; |
174 | ||
e378e88d FK |
175 | /* |
176 | * virtio-balloon-pci: This extends VirtioPCIProxy. | |
177 | */ | |
178 | #define TYPE_VIRTIO_BALLOON_PCI "virtio-balloon-pci" | |
179 | #define VIRTIO_BALLOON_PCI(obj) \ | |
180 | OBJECT_CHECK(VirtIOBalloonPCI, (obj), TYPE_VIRTIO_BALLOON_PCI) | |
181 | ||
182 | struct VirtIOBalloonPCI { | |
183 | VirtIOPCIProxy parent_obj; | |
184 | VirtIOBalloon vdev; | |
185 | }; | |
186 | ||
f7f7464a FK |
187 | /* |
188 | * virtio-serial-pci: This extends VirtioPCIProxy. | |
189 | */ | |
190 | #define TYPE_VIRTIO_SERIAL_PCI "virtio-serial-pci" | |
191 | #define VIRTIO_SERIAL_PCI(obj) \ | |
192 | OBJECT_CHECK(VirtIOSerialPCI, (obj), TYPE_VIRTIO_SERIAL_PCI) | |
193 | ||
194 | struct VirtIOSerialPCI { | |
195 | VirtIOPCIProxy parent_obj; | |
196 | VirtIOSerial vdev; | |
197 | }; | |
198 | ||
e37da394 FK |
199 | /* |
200 | * virtio-net-pci: This extends VirtioPCIProxy. | |
201 | */ | |
202 | #define TYPE_VIRTIO_NET_PCI "virtio-net-pci" | |
203 | #define VIRTIO_NET_PCI(obj) \ | |
204 | OBJECT_CHECK(VirtIONetPCI, (obj), TYPE_VIRTIO_NET_PCI) | |
205 | ||
206 | struct VirtIONetPCI { | |
207 | VirtIOPCIProxy parent_obj; | |
208 | VirtIONet vdev; | |
209 | }; | |
210 | ||
234a336f FK |
211 | /* |
212 | * virtio-9p-pci: This extends VirtioPCIProxy. | |
213 | */ | |
214 | ||
215 | #ifdef CONFIG_VIRTFS | |
216 | ||
217 | #define TYPE_VIRTIO_9P_PCI "virtio-9p-pci" | |
218 | #define VIRTIO_9P_PCI(obj) \ | |
219 | OBJECT_CHECK(V9fsPCIState, (obj), TYPE_VIRTIO_9P_PCI) | |
220 | ||
221 | typedef struct V9fsPCIState { | |
222 | VirtIOPCIProxy parent_obj; | |
223 | V9fsState vdev; | |
224 | } V9fsPCIState; | |
225 | ||
226 | #endif | |
227 | ||
59ccd20a FK |
228 | /* |
229 | * virtio-rng-pci: This extends VirtioPCIProxy. | |
230 | */ | |
231 | #define TYPE_VIRTIO_RNG_PCI "virtio-rng-pci" | |
232 | #define VIRTIO_RNG_PCI(obj) \ | |
233 | OBJECT_CHECK(VirtIORngPCI, (obj), TYPE_VIRTIO_RNG_PCI) | |
234 | ||
235 | struct VirtIORngPCI { | |
236 | VirtIOPCIProxy parent_obj; | |
237 | VirtIORNG vdev; | |
238 | }; | |
239 | ||
f958c8aa GH |
240 | /* |
241 | * virtio-input-pci: This extends VirtioPCIProxy. | |
242 | */ | |
243 | #define TYPE_VIRTIO_INPUT_PCI "virtio-input-pci" | |
244 | #define VIRTIO_INPUT_PCI(obj) \ | |
245 | OBJECT_CHECK(VirtIOInputPCI, (obj), TYPE_VIRTIO_INPUT_PCI) | |
246 | ||
247 | struct VirtIOInputPCI { | |
248 | VirtIOPCIProxy parent_obj; | |
249 | VirtIOInput vdev; | |
250 | }; | |
251 | ||
710e2d90 GH |
252 | #define TYPE_VIRTIO_INPUT_HID_PCI "virtio-input-hid-pci" |
253 | #define TYPE_VIRTIO_KEYBOARD_PCI "virtio-keyboard-pci" | |
254 | #define TYPE_VIRTIO_MOUSE_PCI "virtio-mouse-pci" | |
255 | #define TYPE_VIRTIO_TABLET_PCI "virtio-tablet-pci" | |
256 | #define VIRTIO_INPUT_HID_PCI(obj) \ | |
257 | OBJECT_CHECK(VirtIOInputHIDPCI, (obj), TYPE_VIRTIO_INPUT_HID_PCI) | |
258 | ||
259 | struct VirtIOInputHIDPCI { | |
260 | VirtIOPCIProxy parent_obj; | |
261 | VirtIOInputHID vdev; | |
262 | }; | |
263 | ||
befeac45 MT |
264 | /* Virtio ABI version, if we increment this, we break the guest driver. */ |
265 | #define VIRTIO_PCI_ABI_VERSION 0 | |
266 | ||
9fe1ebeb | 267 | #endif |