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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 <[email protected]> | |
9 | * Paul Brook <[email protected]> | |
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" |
b307d308 GA |
28 | #include "hw/virtio/virtio-crypto.h" |
29 | ||
234a336f FK |
30 | #ifdef CONFIG_VIRTFS |
31 | #include "hw/9pfs/virtio-9p.h" | |
32 | #endif | |
50787628 NB |
33 | #ifdef CONFIG_VHOST_SCSI |
34 | #include "hw/virtio/vhost-scsi.h" | |
35 | #endif | |
fc0b9b0e SH |
36 | #ifdef CONFIG_VHOST_VSOCK |
37 | #include "hw/virtio/vhost-vsock.h" | |
38 | #endif | |
0a2acf5e | 39 | |
085bccb7 | 40 | typedef struct VirtIOPCIProxy VirtIOPCIProxy; |
653ced07 | 41 | typedef struct VirtIOBlkPCI VirtIOBlkPCI; |
bc7b90a0 | 42 | typedef struct VirtIOSCSIPCI VirtIOSCSIPCI; |
e378e88d | 43 | typedef struct VirtIOBalloonPCI VirtIOBalloonPCI; |
f7f7464a | 44 | typedef struct VirtIOSerialPCI VirtIOSerialPCI; |
e37da394 | 45 | typedef struct VirtIONetPCI VirtIONetPCI; |
50787628 | 46 | typedef struct VHostSCSIPCI VHostSCSIPCI; |
59ccd20a | 47 | typedef struct VirtIORngPCI VirtIORngPCI; |
f958c8aa | 48 | typedef struct VirtIOInputPCI VirtIOInputPCI; |
710e2d90 | 49 | typedef struct VirtIOInputHIDPCI VirtIOInputHIDPCI; |
006a5ede | 50 | typedef struct VirtIOInputHostPCI VirtIOInputHostPCI; |
9eafb62d | 51 | typedef struct VirtIOGPUPCI VirtIOGPUPCI; |
fc0b9b0e | 52 | typedef struct VHostVSockPCI VHostVSockPCI; |
b307d308 | 53 | typedef struct VirtIOCryptoPCI VirtIOCryptoPCI; |
085bccb7 | 54 | |
0a2acf5e FK |
55 | /* virtio-pci-bus */ |
56 | ||
57 | typedef struct VirtioBusState VirtioPCIBusState; | |
58 | typedef struct VirtioBusClass VirtioPCIBusClass; | |
59 | ||
60 | #define TYPE_VIRTIO_PCI_BUS "virtio-pci-bus" | |
61 | #define VIRTIO_PCI_BUS(obj) \ | |
62 | OBJECT_CHECK(VirtioPCIBusState, (obj), TYPE_VIRTIO_PCI_BUS) | |
63 | #define VIRTIO_PCI_BUS_GET_CLASS(obj) \ | |
64 | OBJECT_GET_CLASS(VirtioPCIBusClass, obj, TYPE_VIRTIO_PCI_BUS) | |
65 | #define VIRTIO_PCI_BUS_CLASS(klass) \ | |
66 | OBJECT_CLASS_CHECK(VirtioPCIBusClass, klass, TYPE_VIRTIO_PCI_BUS) | |
9fe1ebeb | 67 | |
fc1769b7 MA |
68 | enum { |
69 | VIRTIO_PCI_FLAG_BUS_MASTER_BUG_MIGRATION_BIT, | |
70 | VIRTIO_PCI_FLAG_USE_IOEVENTFD_BIT, | |
fc1769b7 MA |
71 | VIRTIO_PCI_FLAG_MIGRATE_EXTRA_BIT, |
72 | VIRTIO_PCI_FLAG_MODERN_PIO_NOTIFY_BIT, | |
73 | VIRTIO_PCI_FLAG_DISABLE_PCIE_BIT, | |
d9997d89 | 74 | VIRTIO_PCI_FLAG_PAGE_PER_VQ_BIT, |
fc1769b7 MA |
75 | }; |
76 | ||
68a27b20 | 77 | /* Need to activate work-arounds for buggy guests at vmstate load. */ |
68a27b20 MT |
78 | #define VIRTIO_PCI_FLAG_BUS_MASTER_BUG_MIGRATION \ |
79 | (1 << VIRTIO_PCI_FLAG_BUS_MASTER_BUG_MIGRATION_BIT) | |
80 | ||
5745e38a AK |
81 | /* Performance improves when virtqueue kick processing is decoupled from the |
82 | * vcpu thread using ioeventfd for some devices. */ | |
5745e38a AK |
83 | #define VIRTIO_PCI_FLAG_USE_IOEVENTFD (1 << VIRTIO_PCI_FLAG_USE_IOEVENTFD_BIT) |
84 | ||
e266d421 | 85 | /* virtio version flags */ |
1811e64c | 86 | #define VIRTIO_PCI_FLAG_DISABLE_PCIE (1 << VIRTIO_PCI_FLAG_DISABLE_PCIE_BIT) |
e266d421 | 87 | |
a6df8adf | 88 | /* migrate extra state */ |
a6df8adf JW |
89 | #define VIRTIO_PCI_FLAG_MIGRATE_EXTRA (1 << VIRTIO_PCI_FLAG_MIGRATE_EXTRA_BIT) |
90 | ||
9824d2a3 | 91 | /* have pio notification for modern device ? */ |
9824d2a3 JW |
92 | #define VIRTIO_PCI_FLAG_MODERN_PIO_NOTIFY \ |
93 | (1 << VIRTIO_PCI_FLAG_MODERN_PIO_NOTIFY_BIT) | |
94 | ||
d9997d89 MA |
95 | /* page per vq flag to be used by split drivers within guests */ |
96 | #define VIRTIO_PCI_FLAG_PAGE_PER_VQ \ | |
97 | (1 << VIRTIO_PCI_FLAG_PAGE_PER_VQ_BIT) | |
98 | ||
7d37d351 | 99 | typedef struct { |
774345f9 | 100 | MSIMessage msg; |
7d37d351 JK |
101 | int virq; |
102 | unsigned int users; | |
103 | } VirtIOIRQFD; | |
104 | ||
085bccb7 FK |
105 | /* |
106 | * virtio-pci: This is the PCIDevice which has a virtio-pci-bus. | |
107 | */ | |
108 | #define TYPE_VIRTIO_PCI "virtio-pci" | |
109 | #define VIRTIO_PCI_GET_CLASS(obj) \ | |
110 | OBJECT_GET_CLASS(VirtioPCIClass, obj, TYPE_VIRTIO_PCI) | |
111 | #define VIRTIO_PCI_CLASS(klass) \ | |
112 | OBJECT_CLASS_CHECK(VirtioPCIClass, klass, TYPE_VIRTIO_PCI) | |
113 | #define VIRTIO_PCI(obj) \ | |
114 | OBJECT_CHECK(VirtIOPCIProxy, (obj), TYPE_VIRTIO_PCI) | |
115 | ||
116 | typedef struct VirtioPCIClass { | |
117 | PCIDeviceClass parent_class; | |
0560b0e9 | 118 | DeviceRealize parent_dc_realize; |
fc079951 | 119 | void (*realize)(VirtIOPCIProxy *vpci_dev, Error **errp); |
085bccb7 FK |
120 | } VirtioPCIClass; |
121 | ||
588255ad GH |
122 | typedef struct VirtIOPCIRegion { |
123 | MemoryRegion mr; | |
a3cc2e81 | 124 | uint32_t offset; |
b6ce27a5 | 125 | uint32_t size; |
fc004905 | 126 | uint32_t type; |
588255ad GH |
127 | } VirtIOPCIRegion; |
128 | ||
a6df8adf JW |
129 | typedef struct VirtIOPCIQueue { |
130 | uint16_t num; | |
131 | bool enabled; | |
132 | uint32_t desc[2]; | |
133 | uint32_t avail[2]; | |
134 | uint32_t used[2]; | |
135 | } VirtIOPCIQueue; | |
136 | ||
085bccb7 | 137 | struct VirtIOPCIProxy { |
9fe1ebeb | 138 | PCIDevice pci_dev; |
da146d0a | 139 | MemoryRegion bar; |
588255ad GH |
140 | VirtIOPCIRegion common; |
141 | VirtIOPCIRegion isr; | |
142 | VirtIOPCIRegion device; | |
143 | VirtIOPCIRegion notify; | |
9824d2a3 | 144 | VirtIOPCIRegion notify_pio; |
dfb8e184 | 145 | MemoryRegion modern_bar; |
9824d2a3 | 146 | MemoryRegion io_bar; |
ada434cd MT |
147 | MemoryRegion modern_cfg; |
148 | AddressSpace modern_as; | |
7a25126d CF |
149 | uint32_t legacy_io_bar_idx; |
150 | uint32_t msix_bar_idx; | |
151 | uint32_t modern_io_bar_idx; | |
152 | uint32_t modern_mem_bar_idx; | |
ada434cd | 153 | int config_cap; |
9fe1ebeb | 154 | uint32_t flags; |
9a4c0e22 MA |
155 | bool disable_modern; |
156 | OnOffAuto disable_legacy; | |
9fe1ebeb AK |
157 | uint32_t class_code; |
158 | uint32_t nvectors; | |
dfb8e184 MT |
159 | uint32_t dfselect; |
160 | uint32_t gfselect; | |
161 | uint32_t guest_features[2]; | |
a6df8adf | 162 | VirtIOPCIQueue vqs[VIRTIO_QUEUE_MAX]; |
dfb8e184 | 163 | |
7d37d351 | 164 | VirtIOIRQFD *vector_irqfd; |
2d620f59 | 165 | int nvqs_with_notifiers; |
085bccb7 FK |
166 | VirtioBusState bus; |
167 | }; | |
9fe1ebeb | 168 | |
9a4c0e22 MA |
169 | static inline bool virtio_pci_modern(VirtIOPCIProxy *proxy) |
170 | { | |
171 | return !proxy->disable_modern; | |
172 | } | |
173 | ||
174 | static inline bool virtio_pci_legacy(VirtIOPCIProxy *proxy) | |
175 | { | |
176 | return proxy->disable_legacy == ON_OFF_AUTO_OFF; | |
177 | } | |
178 | ||
179 | static inline void virtio_pci_force_virtio_1(VirtIOPCIProxy *proxy) | |
180 | { | |
181 | proxy->disable_modern = false; | |
182 | proxy->disable_legacy = ON_OFF_AUTO_ON; | |
183 | } | |
bc7b90a0 | 184 | |
d1b4259f MC |
185 | static inline void virtio_pci_disable_modern(VirtIOPCIProxy *proxy) |
186 | { | |
187 | proxy->disable_modern = true; | |
188 | } | |
189 | ||
bc7b90a0 FK |
190 | /* |
191 | * virtio-scsi-pci: This extends VirtioPCIProxy. | |
192 | */ | |
193 | #define TYPE_VIRTIO_SCSI_PCI "virtio-scsi-pci" | |
194 | #define VIRTIO_SCSI_PCI(obj) \ | |
195 | OBJECT_CHECK(VirtIOSCSIPCI, (obj), TYPE_VIRTIO_SCSI_PCI) | |
196 | ||
197 | struct VirtIOSCSIPCI { | |
198 | VirtIOPCIProxy parent_obj; | |
199 | VirtIOSCSI vdev; | |
200 | }; | |
201 | ||
50787628 NB |
202 | #ifdef CONFIG_VHOST_SCSI |
203 | /* | |
204 | * vhost-scsi-pci: This extends VirtioPCIProxy. | |
205 | */ | |
206 | #define TYPE_VHOST_SCSI_PCI "vhost-scsi-pci" | |
207 | #define VHOST_SCSI_PCI(obj) \ | |
208 | OBJECT_CHECK(VHostSCSIPCI, (obj), TYPE_VHOST_SCSI_PCI) | |
209 | ||
210 | struct VHostSCSIPCI { | |
211 | VirtIOPCIProxy parent_obj; | |
212 | VHostSCSI vdev; | |
213 | }; | |
214 | #endif | |
215 | ||
653ced07 FK |
216 | /* |
217 | * virtio-blk-pci: This extends VirtioPCIProxy. | |
218 | */ | |
219 | #define TYPE_VIRTIO_BLK_PCI "virtio-blk-pci" | |
220 | #define VIRTIO_BLK_PCI(obj) \ | |
221 | OBJECT_CHECK(VirtIOBlkPCI, (obj), TYPE_VIRTIO_BLK_PCI) | |
222 | ||
223 | struct VirtIOBlkPCI { | |
224 | VirtIOPCIProxy parent_obj; | |
225 | VirtIOBlock vdev; | |
653ced07 FK |
226 | }; |
227 | ||
e378e88d FK |
228 | /* |
229 | * virtio-balloon-pci: This extends VirtioPCIProxy. | |
230 | */ | |
231 | #define TYPE_VIRTIO_BALLOON_PCI "virtio-balloon-pci" | |
232 | #define VIRTIO_BALLOON_PCI(obj) \ | |
233 | OBJECT_CHECK(VirtIOBalloonPCI, (obj), TYPE_VIRTIO_BALLOON_PCI) | |
234 | ||
235 | struct VirtIOBalloonPCI { | |
236 | VirtIOPCIProxy parent_obj; | |
237 | VirtIOBalloon vdev; | |
238 | }; | |
239 | ||
f7f7464a FK |
240 | /* |
241 | * virtio-serial-pci: This extends VirtioPCIProxy. | |
242 | */ | |
243 | #define TYPE_VIRTIO_SERIAL_PCI "virtio-serial-pci" | |
244 | #define VIRTIO_SERIAL_PCI(obj) \ | |
245 | OBJECT_CHECK(VirtIOSerialPCI, (obj), TYPE_VIRTIO_SERIAL_PCI) | |
246 | ||
247 | struct VirtIOSerialPCI { | |
248 | VirtIOPCIProxy parent_obj; | |
249 | VirtIOSerial vdev; | |
250 | }; | |
251 | ||
e37da394 FK |
252 | /* |
253 | * virtio-net-pci: This extends VirtioPCIProxy. | |
254 | */ | |
255 | #define TYPE_VIRTIO_NET_PCI "virtio-net-pci" | |
256 | #define VIRTIO_NET_PCI(obj) \ | |
257 | OBJECT_CHECK(VirtIONetPCI, (obj), TYPE_VIRTIO_NET_PCI) | |
258 | ||
259 | struct VirtIONetPCI { | |
260 | VirtIOPCIProxy parent_obj; | |
261 | VirtIONet vdev; | |
262 | }; | |
263 | ||
234a336f FK |
264 | /* |
265 | * virtio-9p-pci: This extends VirtioPCIProxy. | |
266 | */ | |
267 | ||
268 | #ifdef CONFIG_VIRTFS | |
269 | ||
270 | #define TYPE_VIRTIO_9P_PCI "virtio-9p-pci" | |
271 | #define VIRTIO_9P_PCI(obj) \ | |
272 | OBJECT_CHECK(V9fsPCIState, (obj), TYPE_VIRTIO_9P_PCI) | |
273 | ||
274 | typedef struct V9fsPCIState { | |
275 | VirtIOPCIProxy parent_obj; | |
00588a0a | 276 | V9fsVirtioState vdev; |
234a336f FK |
277 | } V9fsPCIState; |
278 | ||
279 | #endif | |
280 | ||
59ccd20a FK |
281 | /* |
282 | * virtio-rng-pci: This extends VirtioPCIProxy. | |
283 | */ | |
284 | #define TYPE_VIRTIO_RNG_PCI "virtio-rng-pci" | |
285 | #define VIRTIO_RNG_PCI(obj) \ | |
286 | OBJECT_CHECK(VirtIORngPCI, (obj), TYPE_VIRTIO_RNG_PCI) | |
287 | ||
288 | struct VirtIORngPCI { | |
289 | VirtIOPCIProxy parent_obj; | |
290 | VirtIORNG vdev; | |
291 | }; | |
292 | ||
f958c8aa GH |
293 | /* |
294 | * virtio-input-pci: This extends VirtioPCIProxy. | |
295 | */ | |
296 | #define TYPE_VIRTIO_INPUT_PCI "virtio-input-pci" | |
297 | #define VIRTIO_INPUT_PCI(obj) \ | |
298 | OBJECT_CHECK(VirtIOInputPCI, (obj), TYPE_VIRTIO_INPUT_PCI) | |
299 | ||
300 | struct VirtIOInputPCI { | |
301 | VirtIOPCIProxy parent_obj; | |
302 | VirtIOInput vdev; | |
303 | }; | |
304 | ||
710e2d90 GH |
305 | #define TYPE_VIRTIO_INPUT_HID_PCI "virtio-input-hid-pci" |
306 | #define TYPE_VIRTIO_KEYBOARD_PCI "virtio-keyboard-pci" | |
307 | #define TYPE_VIRTIO_MOUSE_PCI "virtio-mouse-pci" | |
308 | #define TYPE_VIRTIO_TABLET_PCI "virtio-tablet-pci" | |
309 | #define VIRTIO_INPUT_HID_PCI(obj) \ | |
310 | OBJECT_CHECK(VirtIOInputHIDPCI, (obj), TYPE_VIRTIO_INPUT_HID_PCI) | |
311 | ||
312 | struct VirtIOInputHIDPCI { | |
313 | VirtIOPCIProxy parent_obj; | |
314 | VirtIOInputHID vdev; | |
315 | }; | |
316 | ||
c6047e96 MA |
317 | #ifdef CONFIG_LINUX |
318 | ||
006a5ede GH |
319 | #define TYPE_VIRTIO_INPUT_HOST_PCI "virtio-input-host-pci" |
320 | #define VIRTIO_INPUT_HOST_PCI(obj) \ | |
321 | OBJECT_CHECK(VirtIOInputHostPCI, (obj), TYPE_VIRTIO_INPUT_HOST_PCI) | |
322 | ||
323 | struct VirtIOInputHostPCI { | |
324 | VirtIOPCIProxy parent_obj; | |
325 | VirtIOInputHost vdev; | |
326 | }; | |
327 | ||
c6047e96 MA |
328 | #endif |
329 | ||
9eafb62d GH |
330 | /* |
331 | * virtio-gpu-pci: This extends VirtioPCIProxy. | |
332 | */ | |
333 | #define TYPE_VIRTIO_GPU_PCI "virtio-gpu-pci" | |
334 | #define VIRTIO_GPU_PCI(obj) \ | |
335 | OBJECT_CHECK(VirtIOGPUPCI, (obj), TYPE_VIRTIO_GPU_PCI) | |
336 | ||
337 | struct VirtIOGPUPCI { | |
338 | VirtIOPCIProxy parent_obj; | |
339 | VirtIOGPU vdev; | |
340 | }; | |
341 | ||
fc0b9b0e SH |
342 | #ifdef CONFIG_VHOST_VSOCK |
343 | /* | |
344 | * vhost-vsock-pci: This extends VirtioPCIProxy. | |
345 | */ | |
346 | #define TYPE_VHOST_VSOCK_PCI "vhost-vsock-pci" | |
347 | #define VHOST_VSOCK_PCI(obj) \ | |
348 | OBJECT_CHECK(VHostVSockPCI, (obj), TYPE_VHOST_VSOCK_PCI) | |
349 | ||
350 | struct VHostVSockPCI { | |
351 | VirtIOPCIProxy parent_obj; | |
352 | VHostVSock vdev; | |
353 | }; | |
354 | #endif | |
355 | ||
b307d308 GA |
356 | /* |
357 | * virtio-crypto-pci: This extends VirtioPCIProxy. | |
358 | */ | |
359 | #define TYPE_VIRTIO_CRYPTO_PCI "virtio-crypto-pci" | |
360 | #define VIRTIO_CRYPTO_PCI(obj) \ | |
361 | OBJECT_CHECK(VirtIOCryptoPCI, (obj), TYPE_VIRTIO_CRYPTO_PCI) | |
362 | ||
363 | struct VirtIOCryptoPCI { | |
364 | VirtIOPCIProxy parent_obj; | |
365 | VirtIOCrypto vdev; | |
366 | }; | |
367 | ||
befeac45 MT |
368 | /* Virtio ABI version, if we increment this, we break the guest driver. */ |
369 | #define VIRTIO_PCI_ABI_VERSION 0 | |
370 | ||
9fe1ebeb | 371 | #endif |