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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" |
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, |
615c4ed2 | 75 | VIRTIO_PCI_FLAG_ATS_BIT, |
fc1769b7 MA |
76 | }; |
77 | ||
68a27b20 | 78 | /* Need to activate work-arounds for buggy guests at vmstate load. */ |
68a27b20 MT |
79 | #define VIRTIO_PCI_FLAG_BUS_MASTER_BUG_MIGRATION \ |
80 | (1 << VIRTIO_PCI_FLAG_BUS_MASTER_BUG_MIGRATION_BIT) | |
81 | ||
5745e38a AK |
82 | /* Performance improves when virtqueue kick processing is decoupled from the |
83 | * vcpu thread using ioeventfd for some devices. */ | |
5745e38a AK |
84 | #define VIRTIO_PCI_FLAG_USE_IOEVENTFD (1 << VIRTIO_PCI_FLAG_USE_IOEVENTFD_BIT) |
85 | ||
e266d421 | 86 | /* virtio version flags */ |
1811e64c | 87 | #define VIRTIO_PCI_FLAG_DISABLE_PCIE (1 << VIRTIO_PCI_FLAG_DISABLE_PCIE_BIT) |
e266d421 | 88 | |
a6df8adf | 89 | /* migrate extra state */ |
a6df8adf JW |
90 | #define VIRTIO_PCI_FLAG_MIGRATE_EXTRA (1 << VIRTIO_PCI_FLAG_MIGRATE_EXTRA_BIT) |
91 | ||
9824d2a3 | 92 | /* have pio notification for modern device ? */ |
9824d2a3 JW |
93 | #define VIRTIO_PCI_FLAG_MODERN_PIO_NOTIFY \ |
94 | (1 << VIRTIO_PCI_FLAG_MODERN_PIO_NOTIFY_BIT) | |
95 | ||
d9997d89 MA |
96 | /* page per vq flag to be used by split drivers within guests */ |
97 | #define VIRTIO_PCI_FLAG_PAGE_PER_VQ \ | |
98 | (1 << VIRTIO_PCI_FLAG_PAGE_PER_VQ_BIT) | |
99 | ||
615c4ed2 JW |
100 | /* address space translation service */ |
101 | #define VIRTIO_PCI_FLAG_ATS (1 << VIRTIO_PCI_FLAG_ATS_BIT) | |
102 | ||
7d37d351 | 103 | typedef struct { |
774345f9 | 104 | MSIMessage msg; |
7d37d351 JK |
105 | int virq; |
106 | unsigned int users; | |
107 | } VirtIOIRQFD; | |
108 | ||
085bccb7 FK |
109 | /* |
110 | * virtio-pci: This is the PCIDevice which has a virtio-pci-bus. | |
111 | */ | |
112 | #define TYPE_VIRTIO_PCI "virtio-pci" | |
113 | #define VIRTIO_PCI_GET_CLASS(obj) \ | |
114 | OBJECT_GET_CLASS(VirtioPCIClass, obj, TYPE_VIRTIO_PCI) | |
115 | #define VIRTIO_PCI_CLASS(klass) \ | |
116 | OBJECT_CLASS_CHECK(VirtioPCIClass, klass, TYPE_VIRTIO_PCI) | |
117 | #define VIRTIO_PCI(obj) \ | |
118 | OBJECT_CHECK(VirtIOPCIProxy, (obj), TYPE_VIRTIO_PCI) | |
119 | ||
120 | typedef struct VirtioPCIClass { | |
121 | PCIDeviceClass parent_class; | |
0560b0e9 | 122 | DeviceRealize parent_dc_realize; |
fc079951 | 123 | void (*realize)(VirtIOPCIProxy *vpci_dev, Error **errp); |
085bccb7 FK |
124 | } VirtioPCIClass; |
125 | ||
588255ad GH |
126 | typedef struct VirtIOPCIRegion { |
127 | MemoryRegion mr; | |
a3cc2e81 | 128 | uint32_t offset; |
b6ce27a5 | 129 | uint32_t size; |
fc004905 | 130 | uint32_t type; |
588255ad GH |
131 | } VirtIOPCIRegion; |
132 | ||
a6df8adf JW |
133 | typedef struct VirtIOPCIQueue { |
134 | uint16_t num; | |
135 | bool enabled; | |
136 | uint32_t desc[2]; | |
137 | uint32_t avail[2]; | |
138 | uint32_t used[2]; | |
139 | } VirtIOPCIQueue; | |
140 | ||
085bccb7 | 141 | struct VirtIOPCIProxy { |
9fe1ebeb | 142 | PCIDevice pci_dev; |
da146d0a | 143 | MemoryRegion bar; |
588255ad GH |
144 | VirtIOPCIRegion common; |
145 | VirtIOPCIRegion isr; | |
146 | VirtIOPCIRegion device; | |
147 | VirtIOPCIRegion notify; | |
9824d2a3 | 148 | VirtIOPCIRegion notify_pio; |
dfb8e184 | 149 | MemoryRegion modern_bar; |
9824d2a3 | 150 | MemoryRegion io_bar; |
ada434cd MT |
151 | MemoryRegion modern_cfg; |
152 | AddressSpace modern_as; | |
7a25126d CF |
153 | uint32_t legacy_io_bar_idx; |
154 | uint32_t msix_bar_idx; | |
155 | uint32_t modern_io_bar_idx; | |
156 | uint32_t modern_mem_bar_idx; | |
ada434cd | 157 | int config_cap; |
9fe1ebeb | 158 | uint32_t flags; |
9a4c0e22 | 159 | bool disable_modern; |
66d1c4c1 | 160 | bool ignore_backend_features; |
9a4c0e22 | 161 | OnOffAuto disable_legacy; |
9fe1ebeb AK |
162 | uint32_t class_code; |
163 | uint32_t nvectors; | |
dfb8e184 MT |
164 | uint32_t dfselect; |
165 | uint32_t gfselect; | |
166 | uint32_t guest_features[2]; | |
a6df8adf | 167 | VirtIOPCIQueue vqs[VIRTIO_QUEUE_MAX]; |
dfb8e184 | 168 | |
7d37d351 | 169 | VirtIOIRQFD *vector_irqfd; |
2d620f59 | 170 | int nvqs_with_notifiers; |
085bccb7 FK |
171 | VirtioBusState bus; |
172 | }; | |
9fe1ebeb | 173 | |
9a4c0e22 MA |
174 | static inline bool virtio_pci_modern(VirtIOPCIProxy *proxy) |
175 | { | |
176 | return !proxy->disable_modern; | |
177 | } | |
178 | ||
179 | static inline bool virtio_pci_legacy(VirtIOPCIProxy *proxy) | |
180 | { | |
181 | return proxy->disable_legacy == ON_OFF_AUTO_OFF; | |
182 | } | |
183 | ||
184 | static inline void virtio_pci_force_virtio_1(VirtIOPCIProxy *proxy) | |
185 | { | |
186 | proxy->disable_modern = false; | |
187 | proxy->disable_legacy = ON_OFF_AUTO_ON; | |
188 | } | |
bc7b90a0 | 189 | |
d1b4259f MC |
190 | static inline void virtio_pci_disable_modern(VirtIOPCIProxy *proxy) |
191 | { | |
192 | proxy->disable_modern = true; | |
193 | } | |
194 | ||
bc7b90a0 FK |
195 | /* |
196 | * virtio-scsi-pci: This extends VirtioPCIProxy. | |
197 | */ | |
198 | #define TYPE_VIRTIO_SCSI_PCI "virtio-scsi-pci" | |
199 | #define VIRTIO_SCSI_PCI(obj) \ | |
200 | OBJECT_CHECK(VirtIOSCSIPCI, (obj), TYPE_VIRTIO_SCSI_PCI) | |
201 | ||
202 | struct VirtIOSCSIPCI { | |
203 | VirtIOPCIProxy parent_obj; | |
204 | VirtIOSCSI vdev; | |
205 | }; | |
206 | ||
50787628 NB |
207 | #ifdef CONFIG_VHOST_SCSI |
208 | /* | |
209 | * vhost-scsi-pci: This extends VirtioPCIProxy. | |
210 | */ | |
211 | #define TYPE_VHOST_SCSI_PCI "vhost-scsi-pci" | |
212 | #define VHOST_SCSI_PCI(obj) \ | |
213 | OBJECT_CHECK(VHostSCSIPCI, (obj), TYPE_VHOST_SCSI_PCI) | |
214 | ||
215 | struct VHostSCSIPCI { | |
216 | VirtIOPCIProxy parent_obj; | |
217 | VHostSCSI vdev; | |
218 | }; | |
219 | #endif | |
220 | ||
653ced07 FK |
221 | /* |
222 | * virtio-blk-pci: This extends VirtioPCIProxy. | |
223 | */ | |
224 | #define TYPE_VIRTIO_BLK_PCI "virtio-blk-pci" | |
225 | #define VIRTIO_BLK_PCI(obj) \ | |
226 | OBJECT_CHECK(VirtIOBlkPCI, (obj), TYPE_VIRTIO_BLK_PCI) | |
227 | ||
228 | struct VirtIOBlkPCI { | |
229 | VirtIOPCIProxy parent_obj; | |
230 | VirtIOBlock vdev; | |
653ced07 FK |
231 | }; |
232 | ||
e378e88d FK |
233 | /* |
234 | * virtio-balloon-pci: This extends VirtioPCIProxy. | |
235 | */ | |
236 | #define TYPE_VIRTIO_BALLOON_PCI "virtio-balloon-pci" | |
237 | #define VIRTIO_BALLOON_PCI(obj) \ | |
238 | OBJECT_CHECK(VirtIOBalloonPCI, (obj), TYPE_VIRTIO_BALLOON_PCI) | |
239 | ||
240 | struct VirtIOBalloonPCI { | |
241 | VirtIOPCIProxy parent_obj; | |
242 | VirtIOBalloon vdev; | |
243 | }; | |
244 | ||
f7f7464a FK |
245 | /* |
246 | * virtio-serial-pci: This extends VirtioPCIProxy. | |
247 | */ | |
248 | #define TYPE_VIRTIO_SERIAL_PCI "virtio-serial-pci" | |
249 | #define VIRTIO_SERIAL_PCI(obj) \ | |
250 | OBJECT_CHECK(VirtIOSerialPCI, (obj), TYPE_VIRTIO_SERIAL_PCI) | |
251 | ||
252 | struct VirtIOSerialPCI { | |
253 | VirtIOPCIProxy parent_obj; | |
254 | VirtIOSerial vdev; | |
255 | }; | |
256 | ||
e37da394 FK |
257 | /* |
258 | * virtio-net-pci: This extends VirtioPCIProxy. | |
259 | */ | |
260 | #define TYPE_VIRTIO_NET_PCI "virtio-net-pci" | |
261 | #define VIRTIO_NET_PCI(obj) \ | |
262 | OBJECT_CHECK(VirtIONetPCI, (obj), TYPE_VIRTIO_NET_PCI) | |
263 | ||
264 | struct VirtIONetPCI { | |
265 | VirtIOPCIProxy parent_obj; | |
266 | VirtIONet vdev; | |
267 | }; | |
268 | ||
234a336f FK |
269 | /* |
270 | * virtio-9p-pci: This extends VirtioPCIProxy. | |
271 | */ | |
272 | ||
273 | #ifdef CONFIG_VIRTFS | |
274 | ||
275 | #define TYPE_VIRTIO_9P_PCI "virtio-9p-pci" | |
276 | #define VIRTIO_9P_PCI(obj) \ | |
277 | OBJECT_CHECK(V9fsPCIState, (obj), TYPE_VIRTIO_9P_PCI) | |
278 | ||
279 | typedef struct V9fsPCIState { | |
280 | VirtIOPCIProxy parent_obj; | |
00588a0a | 281 | V9fsVirtioState vdev; |
234a336f FK |
282 | } V9fsPCIState; |
283 | ||
284 | #endif | |
285 | ||
59ccd20a FK |
286 | /* |
287 | * virtio-rng-pci: This extends VirtioPCIProxy. | |
288 | */ | |
289 | #define TYPE_VIRTIO_RNG_PCI "virtio-rng-pci" | |
290 | #define VIRTIO_RNG_PCI(obj) \ | |
291 | OBJECT_CHECK(VirtIORngPCI, (obj), TYPE_VIRTIO_RNG_PCI) | |
292 | ||
293 | struct VirtIORngPCI { | |
294 | VirtIOPCIProxy parent_obj; | |
295 | VirtIORNG vdev; | |
296 | }; | |
297 | ||
f958c8aa GH |
298 | /* |
299 | * virtio-input-pci: This extends VirtioPCIProxy. | |
300 | */ | |
301 | #define TYPE_VIRTIO_INPUT_PCI "virtio-input-pci" | |
302 | #define VIRTIO_INPUT_PCI(obj) \ | |
303 | OBJECT_CHECK(VirtIOInputPCI, (obj), TYPE_VIRTIO_INPUT_PCI) | |
304 | ||
305 | struct VirtIOInputPCI { | |
306 | VirtIOPCIProxy parent_obj; | |
307 | VirtIOInput vdev; | |
308 | }; | |
309 | ||
710e2d90 GH |
310 | #define TYPE_VIRTIO_INPUT_HID_PCI "virtio-input-hid-pci" |
311 | #define TYPE_VIRTIO_KEYBOARD_PCI "virtio-keyboard-pci" | |
312 | #define TYPE_VIRTIO_MOUSE_PCI "virtio-mouse-pci" | |
313 | #define TYPE_VIRTIO_TABLET_PCI "virtio-tablet-pci" | |
314 | #define VIRTIO_INPUT_HID_PCI(obj) \ | |
315 | OBJECT_CHECK(VirtIOInputHIDPCI, (obj), TYPE_VIRTIO_INPUT_HID_PCI) | |
316 | ||
317 | struct VirtIOInputHIDPCI { | |
318 | VirtIOPCIProxy parent_obj; | |
319 | VirtIOInputHID vdev; | |
320 | }; | |
321 | ||
c6047e96 MA |
322 | #ifdef CONFIG_LINUX |
323 | ||
006a5ede GH |
324 | #define TYPE_VIRTIO_INPUT_HOST_PCI "virtio-input-host-pci" |
325 | #define VIRTIO_INPUT_HOST_PCI(obj) \ | |
326 | OBJECT_CHECK(VirtIOInputHostPCI, (obj), TYPE_VIRTIO_INPUT_HOST_PCI) | |
327 | ||
328 | struct VirtIOInputHostPCI { | |
329 | VirtIOPCIProxy parent_obj; | |
330 | VirtIOInputHost vdev; | |
331 | }; | |
332 | ||
c6047e96 MA |
333 | #endif |
334 | ||
9eafb62d GH |
335 | /* |
336 | * virtio-gpu-pci: This extends VirtioPCIProxy. | |
337 | */ | |
338 | #define TYPE_VIRTIO_GPU_PCI "virtio-gpu-pci" | |
339 | #define VIRTIO_GPU_PCI(obj) \ | |
340 | OBJECT_CHECK(VirtIOGPUPCI, (obj), TYPE_VIRTIO_GPU_PCI) | |
341 | ||
342 | struct VirtIOGPUPCI { | |
343 | VirtIOPCIProxy parent_obj; | |
344 | VirtIOGPU vdev; | |
345 | }; | |
346 | ||
fc0b9b0e SH |
347 | #ifdef CONFIG_VHOST_VSOCK |
348 | /* | |
349 | * vhost-vsock-pci: This extends VirtioPCIProxy. | |
350 | */ | |
351 | #define TYPE_VHOST_VSOCK_PCI "vhost-vsock-pci" | |
352 | #define VHOST_VSOCK_PCI(obj) \ | |
353 | OBJECT_CHECK(VHostVSockPCI, (obj), TYPE_VHOST_VSOCK_PCI) | |
354 | ||
355 | struct VHostVSockPCI { | |
356 | VirtIOPCIProxy parent_obj; | |
357 | VHostVSock vdev; | |
358 | }; | |
359 | #endif | |
360 | ||
b307d308 GA |
361 | /* |
362 | * virtio-crypto-pci: This extends VirtioPCIProxy. | |
363 | */ | |
364 | #define TYPE_VIRTIO_CRYPTO_PCI "virtio-crypto-pci" | |
365 | #define VIRTIO_CRYPTO_PCI(obj) \ | |
366 | OBJECT_CHECK(VirtIOCryptoPCI, (obj), TYPE_VIRTIO_CRYPTO_PCI) | |
367 | ||
368 | struct VirtIOCryptoPCI { | |
369 | VirtIOPCIProxy parent_obj; | |
370 | VirtIOCrypto vdev; | |
371 | }; | |
372 | ||
befeac45 MT |
373 | /* Virtio ABI version, if we increment this, we break the guest driver. */ |
374 | #define VIRTIO_PCI_ABI_VERSION 0 | |
375 | ||
9fe1ebeb | 376 | #endif |