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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" | |
f958c8aa | 26 | #include "hw/virtio/virtio-input.h" |
9eafb62d | 27 | #include "hw/virtio/virtio-gpu.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; |
006a5ede | 45 | typedef struct VirtIOInputHostPCI VirtIOInputHostPCI; |
9eafb62d | 46 | typedef struct VirtIOGPUPCI VirtIOGPUPCI; |
085bccb7 | 47 | |
0a2acf5e FK |
48 | /* virtio-pci-bus */ |
49 | ||
50 | typedef struct VirtioBusState VirtioPCIBusState; | |
51 | typedef struct VirtioBusClass VirtioPCIBusClass; | |
52 | ||
53 | #define TYPE_VIRTIO_PCI_BUS "virtio-pci-bus" | |
54 | #define VIRTIO_PCI_BUS(obj) \ | |
55 | OBJECT_CHECK(VirtioPCIBusState, (obj), TYPE_VIRTIO_PCI_BUS) | |
56 | #define VIRTIO_PCI_BUS_GET_CLASS(obj) \ | |
57 | OBJECT_GET_CLASS(VirtioPCIBusClass, obj, TYPE_VIRTIO_PCI_BUS) | |
58 | #define VIRTIO_PCI_BUS_CLASS(klass) \ | |
59 | OBJECT_CLASS_CHECK(VirtioPCIBusClass, klass, TYPE_VIRTIO_PCI_BUS) | |
9fe1ebeb | 60 | |
68a27b20 MT |
61 | /* Need to activate work-arounds for buggy guests at vmstate load. */ |
62 | #define VIRTIO_PCI_FLAG_BUS_MASTER_BUG_MIGRATION_BIT 0 | |
63 | #define VIRTIO_PCI_FLAG_BUS_MASTER_BUG_MIGRATION \ | |
64 | (1 << VIRTIO_PCI_FLAG_BUS_MASTER_BUG_MIGRATION_BIT) | |
65 | ||
5745e38a AK |
66 | /* Performance improves when virtqueue kick processing is decoupled from the |
67 | * vcpu thread using ioeventfd for some devices. */ | |
68 | #define VIRTIO_PCI_FLAG_USE_IOEVENTFD_BIT 1 | |
69 | #define VIRTIO_PCI_FLAG_USE_IOEVENTFD (1 << VIRTIO_PCI_FLAG_USE_IOEVENTFD_BIT) | |
70 | ||
e266d421 GH |
71 | /* virtio version flags */ |
72 | #define VIRTIO_PCI_FLAG_DISABLE_LEGACY_BIT 2 | |
73 | #define VIRTIO_PCI_FLAG_DISABLE_MODERN_BIT 3 | |
1811e64c | 74 | #define VIRTIO_PCI_FLAG_DISABLE_PCIE_BIT 4 |
e266d421 GH |
75 | #define VIRTIO_PCI_FLAG_DISABLE_LEGACY (1 << VIRTIO_PCI_FLAG_DISABLE_LEGACY_BIT) |
76 | #define VIRTIO_PCI_FLAG_DISABLE_MODERN (1 << VIRTIO_PCI_FLAG_DISABLE_MODERN_BIT) | |
1811e64c | 77 | #define VIRTIO_PCI_FLAG_DISABLE_PCIE (1 << VIRTIO_PCI_FLAG_DISABLE_PCIE_BIT) |
e266d421 | 78 | |
a6df8adf JW |
79 | /* migrate extra state */ |
80 | #define VIRTIO_PCI_FLAG_MIGRATE_EXTRA_BIT 4 | |
81 | #define VIRTIO_PCI_FLAG_MIGRATE_EXTRA (1 << VIRTIO_PCI_FLAG_MIGRATE_EXTRA_BIT) | |
82 | ||
9824d2a3 JW |
83 | /* have pio notification for modern device ? */ |
84 | #define VIRTIO_PCI_FLAG_MODERN_PIO_NOTIFY_BIT 5 | |
85 | #define VIRTIO_PCI_FLAG_MODERN_PIO_NOTIFY \ | |
86 | (1 << VIRTIO_PCI_FLAG_MODERN_PIO_NOTIFY_BIT) | |
87 | ||
7d37d351 | 88 | typedef struct { |
774345f9 | 89 | MSIMessage msg; |
7d37d351 JK |
90 | int virq; |
91 | unsigned int users; | |
92 | } VirtIOIRQFD; | |
93 | ||
085bccb7 FK |
94 | /* |
95 | * virtio-pci: This is the PCIDevice which has a virtio-pci-bus. | |
96 | */ | |
97 | #define TYPE_VIRTIO_PCI "virtio-pci" | |
98 | #define VIRTIO_PCI_GET_CLASS(obj) \ | |
99 | OBJECT_GET_CLASS(VirtioPCIClass, obj, TYPE_VIRTIO_PCI) | |
100 | #define VIRTIO_PCI_CLASS(klass) \ | |
101 | OBJECT_CLASS_CHECK(VirtioPCIClass, klass, TYPE_VIRTIO_PCI) | |
102 | #define VIRTIO_PCI(obj) \ | |
103 | OBJECT_CHECK(VirtIOPCIProxy, (obj), TYPE_VIRTIO_PCI) | |
104 | ||
105 | typedef struct VirtioPCIClass { | |
106 | PCIDeviceClass parent_class; | |
0560b0e9 | 107 | DeviceRealize parent_dc_realize; |
fc079951 | 108 | void (*realize)(VirtIOPCIProxy *vpci_dev, Error **errp); |
085bccb7 FK |
109 | } VirtioPCIClass; |
110 | ||
588255ad GH |
111 | typedef struct VirtIOPCIRegion { |
112 | MemoryRegion mr; | |
a3cc2e81 | 113 | uint32_t offset; |
b6ce27a5 | 114 | uint32_t size; |
fc004905 | 115 | uint32_t type; |
588255ad GH |
116 | } VirtIOPCIRegion; |
117 | ||
a6df8adf JW |
118 | typedef struct VirtIOPCIQueue { |
119 | uint16_t num; | |
120 | bool enabled; | |
121 | uint32_t desc[2]; | |
122 | uint32_t avail[2]; | |
123 | uint32_t used[2]; | |
124 | } VirtIOPCIQueue; | |
125 | ||
085bccb7 | 126 | struct VirtIOPCIProxy { |
9fe1ebeb | 127 | PCIDevice pci_dev; |
da146d0a | 128 | MemoryRegion bar; |
588255ad GH |
129 | VirtIOPCIRegion common; |
130 | VirtIOPCIRegion isr; | |
131 | VirtIOPCIRegion device; | |
132 | VirtIOPCIRegion notify; | |
9824d2a3 | 133 | VirtIOPCIRegion notify_pio; |
dfb8e184 | 134 | MemoryRegion modern_bar; |
9824d2a3 | 135 | MemoryRegion io_bar; |
ada434cd MT |
136 | MemoryRegion modern_cfg; |
137 | AddressSpace modern_as; | |
b6ce27a5 GH |
138 | uint32_t legacy_io_bar; |
139 | uint32_t msix_bar; | |
9824d2a3 | 140 | uint32_t modern_io_bar; |
b6ce27a5 | 141 | uint32_t modern_mem_bar; |
ada434cd | 142 | int config_cap; |
9fe1ebeb | 143 | uint32_t flags; |
9fe1ebeb AK |
144 | uint32_t class_code; |
145 | uint32_t nvectors; | |
dfb8e184 MT |
146 | uint32_t dfselect; |
147 | uint32_t gfselect; | |
148 | uint32_t guest_features[2]; | |
a6df8adf | 149 | VirtIOPCIQueue vqs[VIRTIO_QUEUE_MAX]; |
dfb8e184 | 150 | |
9fe1ebeb AK |
151 | bool ioeventfd_disabled; |
152 | bool ioeventfd_started; | |
7d37d351 | 153 | VirtIOIRQFD *vector_irqfd; |
2d620f59 | 154 | int nvqs_with_notifiers; |
085bccb7 FK |
155 | VirtioBusState bus; |
156 | }; | |
9fe1ebeb | 157 | |
bc7b90a0 FK |
158 | |
159 | /* | |
160 | * virtio-scsi-pci: This extends VirtioPCIProxy. | |
161 | */ | |
162 | #define TYPE_VIRTIO_SCSI_PCI "virtio-scsi-pci" | |
163 | #define VIRTIO_SCSI_PCI(obj) \ | |
164 | OBJECT_CHECK(VirtIOSCSIPCI, (obj), TYPE_VIRTIO_SCSI_PCI) | |
165 | ||
166 | struct VirtIOSCSIPCI { | |
167 | VirtIOPCIProxy parent_obj; | |
168 | VirtIOSCSI vdev; | |
169 | }; | |
170 | ||
50787628 NB |
171 | #ifdef CONFIG_VHOST_SCSI |
172 | /* | |
173 | * vhost-scsi-pci: This extends VirtioPCIProxy. | |
174 | */ | |
175 | #define TYPE_VHOST_SCSI_PCI "vhost-scsi-pci" | |
176 | #define VHOST_SCSI_PCI(obj) \ | |
177 | OBJECT_CHECK(VHostSCSIPCI, (obj), TYPE_VHOST_SCSI_PCI) | |
178 | ||
179 | struct VHostSCSIPCI { | |
180 | VirtIOPCIProxy parent_obj; | |
181 | VHostSCSI vdev; | |
182 | }; | |
183 | #endif | |
184 | ||
653ced07 FK |
185 | /* |
186 | * virtio-blk-pci: This extends VirtioPCIProxy. | |
187 | */ | |
188 | #define TYPE_VIRTIO_BLK_PCI "virtio-blk-pci" | |
189 | #define VIRTIO_BLK_PCI(obj) \ | |
190 | OBJECT_CHECK(VirtIOBlkPCI, (obj), TYPE_VIRTIO_BLK_PCI) | |
191 | ||
192 | struct VirtIOBlkPCI { | |
193 | VirtIOPCIProxy parent_obj; | |
194 | VirtIOBlock vdev; | |
653ced07 FK |
195 | }; |
196 | ||
e378e88d FK |
197 | /* |
198 | * virtio-balloon-pci: This extends VirtioPCIProxy. | |
199 | */ | |
200 | #define TYPE_VIRTIO_BALLOON_PCI "virtio-balloon-pci" | |
201 | #define VIRTIO_BALLOON_PCI(obj) \ | |
202 | OBJECT_CHECK(VirtIOBalloonPCI, (obj), TYPE_VIRTIO_BALLOON_PCI) | |
203 | ||
204 | struct VirtIOBalloonPCI { | |
205 | VirtIOPCIProxy parent_obj; | |
206 | VirtIOBalloon vdev; | |
207 | }; | |
208 | ||
f7f7464a FK |
209 | /* |
210 | * virtio-serial-pci: This extends VirtioPCIProxy. | |
211 | */ | |
212 | #define TYPE_VIRTIO_SERIAL_PCI "virtio-serial-pci" | |
213 | #define VIRTIO_SERIAL_PCI(obj) \ | |
214 | OBJECT_CHECK(VirtIOSerialPCI, (obj), TYPE_VIRTIO_SERIAL_PCI) | |
215 | ||
216 | struct VirtIOSerialPCI { | |
217 | VirtIOPCIProxy parent_obj; | |
218 | VirtIOSerial vdev; | |
219 | }; | |
220 | ||
e37da394 FK |
221 | /* |
222 | * virtio-net-pci: This extends VirtioPCIProxy. | |
223 | */ | |
224 | #define TYPE_VIRTIO_NET_PCI "virtio-net-pci" | |
225 | #define VIRTIO_NET_PCI(obj) \ | |
226 | OBJECT_CHECK(VirtIONetPCI, (obj), TYPE_VIRTIO_NET_PCI) | |
227 | ||
228 | struct VirtIONetPCI { | |
229 | VirtIOPCIProxy parent_obj; | |
230 | VirtIONet vdev; | |
231 | }; | |
232 | ||
234a336f FK |
233 | /* |
234 | * virtio-9p-pci: This extends VirtioPCIProxy. | |
235 | */ | |
236 | ||
237 | #ifdef CONFIG_VIRTFS | |
238 | ||
239 | #define TYPE_VIRTIO_9P_PCI "virtio-9p-pci" | |
240 | #define VIRTIO_9P_PCI(obj) \ | |
241 | OBJECT_CHECK(V9fsPCIState, (obj), TYPE_VIRTIO_9P_PCI) | |
242 | ||
243 | typedef struct V9fsPCIState { | |
244 | VirtIOPCIProxy parent_obj; | |
245 | V9fsState vdev; | |
246 | } V9fsPCIState; | |
247 | ||
248 | #endif | |
249 | ||
59ccd20a FK |
250 | /* |
251 | * virtio-rng-pci: This extends VirtioPCIProxy. | |
252 | */ | |
253 | #define TYPE_VIRTIO_RNG_PCI "virtio-rng-pci" | |
254 | #define VIRTIO_RNG_PCI(obj) \ | |
255 | OBJECT_CHECK(VirtIORngPCI, (obj), TYPE_VIRTIO_RNG_PCI) | |
256 | ||
257 | struct VirtIORngPCI { | |
258 | VirtIOPCIProxy parent_obj; | |
259 | VirtIORNG vdev; | |
260 | }; | |
261 | ||
f958c8aa GH |
262 | /* |
263 | * virtio-input-pci: This extends VirtioPCIProxy. | |
264 | */ | |
265 | #define TYPE_VIRTIO_INPUT_PCI "virtio-input-pci" | |
266 | #define VIRTIO_INPUT_PCI(obj) \ | |
267 | OBJECT_CHECK(VirtIOInputPCI, (obj), TYPE_VIRTIO_INPUT_PCI) | |
268 | ||
269 | struct VirtIOInputPCI { | |
270 | VirtIOPCIProxy parent_obj; | |
271 | VirtIOInput vdev; | |
272 | }; | |
273 | ||
710e2d90 GH |
274 | #define TYPE_VIRTIO_INPUT_HID_PCI "virtio-input-hid-pci" |
275 | #define TYPE_VIRTIO_KEYBOARD_PCI "virtio-keyboard-pci" | |
276 | #define TYPE_VIRTIO_MOUSE_PCI "virtio-mouse-pci" | |
277 | #define TYPE_VIRTIO_TABLET_PCI "virtio-tablet-pci" | |
278 | #define VIRTIO_INPUT_HID_PCI(obj) \ | |
279 | OBJECT_CHECK(VirtIOInputHIDPCI, (obj), TYPE_VIRTIO_INPUT_HID_PCI) | |
280 | ||
281 | struct VirtIOInputHIDPCI { | |
282 | VirtIOPCIProxy parent_obj; | |
283 | VirtIOInputHID vdev; | |
284 | }; | |
285 | ||
c6047e96 MA |
286 | #ifdef CONFIG_LINUX |
287 | ||
006a5ede GH |
288 | #define TYPE_VIRTIO_INPUT_HOST_PCI "virtio-input-host-pci" |
289 | #define VIRTIO_INPUT_HOST_PCI(obj) \ | |
290 | OBJECT_CHECK(VirtIOInputHostPCI, (obj), TYPE_VIRTIO_INPUT_HOST_PCI) | |
291 | ||
292 | struct VirtIOInputHostPCI { | |
293 | VirtIOPCIProxy parent_obj; | |
294 | VirtIOInputHost vdev; | |
295 | }; | |
296 | ||
c6047e96 MA |
297 | #endif |
298 | ||
9eafb62d GH |
299 | /* |
300 | * virtio-gpu-pci: This extends VirtioPCIProxy. | |
301 | */ | |
302 | #define TYPE_VIRTIO_GPU_PCI "virtio-gpu-pci" | |
303 | #define VIRTIO_GPU_PCI(obj) \ | |
304 | OBJECT_CHECK(VirtIOGPUPCI, (obj), TYPE_VIRTIO_GPU_PCI) | |
305 | ||
306 | struct VirtIOGPUPCI { | |
307 | VirtIOPCIProxy parent_obj; | |
308 | VirtIOGPU vdev; | |
309 | }; | |
310 | ||
befeac45 MT |
311 | /* Virtio ABI version, if we increment this, we break the guest driver. */ |
312 | #define VIRTIO_PCI_ABI_VERSION 0 | |
313 | ||
9fe1ebeb | 314 | #endif |