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