4 * Copyright IBM, Corp. 2007
5 * Copyright (c) 2009 CodeSourcery
8 * Anthony Liguori <aliguori@us.ibm.com>
9 * Paul Brook <paul@codesourcery.com>
11 * This work is licensed under the terms of the GNU GPL, version 2. See
12 * the COPYING file in the top-level directory.
15 #ifndef QEMU_VIRTIO_PCI_H
16 #define QEMU_VIRTIO_PCI_H
18 #include "hw/pci/msi.h"
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-input.h"
27 #include "hw/virtio/virtio-gpu.h"
28 #include "hw/virtio/virtio-crypto.h"
31 #include "hw/9pfs/virtio-9p.h"
33 #ifdef CONFIG_VHOST_SCSI
34 #include "hw/virtio/vhost-scsi.h"
36 #ifdef CONFIG_VHOST_VSOCK
37 #include "hw/virtio/vhost-vsock.h"
40 typedef struct VirtIOPCIProxy VirtIOPCIProxy;
41 typedef struct VirtIOBlkPCI VirtIOBlkPCI;
42 typedef struct VirtIOSCSIPCI VirtIOSCSIPCI;
43 typedef struct VirtIOBalloonPCI VirtIOBalloonPCI;
44 typedef struct VirtIOSerialPCI VirtIOSerialPCI;
45 typedef struct VirtIONetPCI VirtIONetPCI;
46 typedef struct VHostSCSIPCI VHostSCSIPCI;
47 typedef struct VirtIORngPCI VirtIORngPCI;
48 typedef struct VirtIOInputPCI VirtIOInputPCI;
49 typedef struct VirtIOInputHIDPCI VirtIOInputHIDPCI;
50 typedef struct VirtIOInputHostPCI VirtIOInputHostPCI;
51 typedef struct VirtIOGPUPCI VirtIOGPUPCI;
52 typedef struct VHostVSockPCI VHostVSockPCI;
53 typedef struct VirtIOCryptoPCI VirtIOCryptoPCI;
57 typedef struct VirtioBusState VirtioPCIBusState;
58 typedef struct VirtioBusClass VirtioPCIBusClass;
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)
69 VIRTIO_PCI_FLAG_BUS_MASTER_BUG_MIGRATION_BIT,
70 VIRTIO_PCI_FLAG_USE_IOEVENTFD_BIT,
71 VIRTIO_PCI_FLAG_MIGRATE_EXTRA_BIT,
72 VIRTIO_PCI_FLAG_MODERN_PIO_NOTIFY_BIT,
73 VIRTIO_PCI_FLAG_DISABLE_PCIE_BIT,
74 VIRTIO_PCI_FLAG_PAGE_PER_VQ_BIT,
77 /* Need to activate work-arounds for buggy guests at vmstate load. */
78 #define VIRTIO_PCI_FLAG_BUS_MASTER_BUG_MIGRATION \
79 (1 << VIRTIO_PCI_FLAG_BUS_MASTER_BUG_MIGRATION_BIT)
81 /* Performance improves when virtqueue kick processing is decoupled from the
82 * vcpu thread using ioeventfd for some devices. */
83 #define VIRTIO_PCI_FLAG_USE_IOEVENTFD (1 << VIRTIO_PCI_FLAG_USE_IOEVENTFD_BIT)
85 /* virtio version flags */
86 #define VIRTIO_PCI_FLAG_DISABLE_PCIE (1 << VIRTIO_PCI_FLAG_DISABLE_PCIE_BIT)
88 /* migrate extra state */
89 #define VIRTIO_PCI_FLAG_MIGRATE_EXTRA (1 << VIRTIO_PCI_FLAG_MIGRATE_EXTRA_BIT)
91 /* have pio notification for modern device ? */
92 #define VIRTIO_PCI_FLAG_MODERN_PIO_NOTIFY \
93 (1 << VIRTIO_PCI_FLAG_MODERN_PIO_NOTIFY_BIT)
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)
106 * virtio-pci: This is the PCIDevice which has a virtio-pci-bus.
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)
116 typedef struct VirtioPCIClass {
117 PCIDeviceClass parent_class;
118 DeviceRealize parent_dc_realize;
119 void (*realize)(VirtIOPCIProxy *vpci_dev, Error **errp);
122 typedef struct VirtIOPCIRegion {
129 typedef struct VirtIOPCIQueue {
137 struct VirtIOPCIProxy {
140 VirtIOPCIRegion common;
142 VirtIOPCIRegion device;
143 VirtIOPCIRegion notify;
144 VirtIOPCIRegion notify_pio;
145 MemoryRegion modern_bar;
147 MemoryRegion modern_cfg;
148 AddressSpace modern_as;
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;
156 OnOffAuto disable_legacy;
161 uint32_t guest_features[2];
162 VirtIOPCIQueue vqs[VIRTIO_QUEUE_MAX];
164 VirtIOIRQFD *vector_irqfd;
165 int nvqs_with_notifiers;
169 static inline bool virtio_pci_modern(VirtIOPCIProxy *proxy)
171 return !proxy->disable_modern;
174 static inline bool virtio_pci_legacy(VirtIOPCIProxy *proxy)
176 return proxy->disable_legacy == ON_OFF_AUTO_OFF;
179 static inline void virtio_pci_force_virtio_1(VirtIOPCIProxy *proxy)
181 proxy->disable_modern = false;
182 proxy->disable_legacy = ON_OFF_AUTO_ON;
185 static inline void virtio_pci_disable_modern(VirtIOPCIProxy *proxy)
187 proxy->disable_modern = true;
191 * virtio-scsi-pci: This extends VirtioPCIProxy.
193 #define TYPE_VIRTIO_SCSI_PCI "virtio-scsi-pci"
194 #define VIRTIO_SCSI_PCI(obj) \
195 OBJECT_CHECK(VirtIOSCSIPCI, (obj), TYPE_VIRTIO_SCSI_PCI)
197 struct VirtIOSCSIPCI {
198 VirtIOPCIProxy parent_obj;
202 #ifdef CONFIG_VHOST_SCSI
204 * vhost-scsi-pci: This extends VirtioPCIProxy.
206 #define TYPE_VHOST_SCSI_PCI "vhost-scsi-pci"
207 #define VHOST_SCSI_PCI(obj) \
208 OBJECT_CHECK(VHostSCSIPCI, (obj), TYPE_VHOST_SCSI_PCI)
210 struct VHostSCSIPCI {
211 VirtIOPCIProxy parent_obj;
217 * virtio-blk-pci: This extends VirtioPCIProxy.
219 #define TYPE_VIRTIO_BLK_PCI "virtio-blk-pci"
220 #define VIRTIO_BLK_PCI(obj) \
221 OBJECT_CHECK(VirtIOBlkPCI, (obj), TYPE_VIRTIO_BLK_PCI)
223 struct VirtIOBlkPCI {
224 VirtIOPCIProxy parent_obj;
229 * virtio-balloon-pci: This extends VirtioPCIProxy.
231 #define TYPE_VIRTIO_BALLOON_PCI "virtio-balloon-pci"
232 #define VIRTIO_BALLOON_PCI(obj) \
233 OBJECT_CHECK(VirtIOBalloonPCI, (obj), TYPE_VIRTIO_BALLOON_PCI)
235 struct VirtIOBalloonPCI {
236 VirtIOPCIProxy parent_obj;
241 * virtio-serial-pci: This extends VirtioPCIProxy.
243 #define TYPE_VIRTIO_SERIAL_PCI "virtio-serial-pci"
244 #define VIRTIO_SERIAL_PCI(obj) \
245 OBJECT_CHECK(VirtIOSerialPCI, (obj), TYPE_VIRTIO_SERIAL_PCI)
247 struct VirtIOSerialPCI {
248 VirtIOPCIProxy parent_obj;
253 * virtio-net-pci: This extends VirtioPCIProxy.
255 #define TYPE_VIRTIO_NET_PCI "virtio-net-pci"
256 #define VIRTIO_NET_PCI(obj) \
257 OBJECT_CHECK(VirtIONetPCI, (obj), TYPE_VIRTIO_NET_PCI)
259 struct VirtIONetPCI {
260 VirtIOPCIProxy parent_obj;
265 * virtio-9p-pci: This extends VirtioPCIProxy.
270 #define TYPE_VIRTIO_9P_PCI "virtio-9p-pci"
271 #define VIRTIO_9P_PCI(obj) \
272 OBJECT_CHECK(V9fsPCIState, (obj), TYPE_VIRTIO_9P_PCI)
274 typedef struct V9fsPCIState {
275 VirtIOPCIProxy parent_obj;
276 V9fsVirtioState vdev;
282 * virtio-rng-pci: This extends VirtioPCIProxy.
284 #define TYPE_VIRTIO_RNG_PCI "virtio-rng-pci"
285 #define VIRTIO_RNG_PCI(obj) \
286 OBJECT_CHECK(VirtIORngPCI, (obj), TYPE_VIRTIO_RNG_PCI)
288 struct VirtIORngPCI {
289 VirtIOPCIProxy parent_obj;
294 * virtio-input-pci: This extends VirtioPCIProxy.
296 #define TYPE_VIRTIO_INPUT_PCI "virtio-input-pci"
297 #define VIRTIO_INPUT_PCI(obj) \
298 OBJECT_CHECK(VirtIOInputPCI, (obj), TYPE_VIRTIO_INPUT_PCI)
300 struct VirtIOInputPCI {
301 VirtIOPCIProxy parent_obj;
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)
312 struct VirtIOInputHIDPCI {
313 VirtIOPCIProxy parent_obj;
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)
323 struct VirtIOInputHostPCI {
324 VirtIOPCIProxy parent_obj;
325 VirtIOInputHost vdev;
331 * virtio-gpu-pci: This extends VirtioPCIProxy.
333 #define TYPE_VIRTIO_GPU_PCI "virtio-gpu-pci"
334 #define VIRTIO_GPU_PCI(obj) \
335 OBJECT_CHECK(VirtIOGPUPCI, (obj), TYPE_VIRTIO_GPU_PCI)
337 struct VirtIOGPUPCI {
338 VirtIOPCIProxy parent_obj;
342 #ifdef CONFIG_VHOST_VSOCK
344 * vhost-vsock-pci: This extends VirtioPCIProxy.
346 #define TYPE_VHOST_VSOCK_PCI "vhost-vsock-pci"
347 #define VHOST_VSOCK_PCI(obj) \
348 OBJECT_CHECK(VHostVSockPCI, (obj), TYPE_VHOST_VSOCK_PCI)
350 struct VHostVSockPCI {
351 VirtIOPCIProxy parent_obj;
357 * virtio-crypto-pci: This extends VirtioPCIProxy.
359 #define TYPE_VIRTIO_CRYPTO_PCI "virtio-crypto-pci"
360 #define VIRTIO_CRYPTO_PCI(obj) \
361 OBJECT_CHECK(VirtIOCryptoPCI, (obj), TYPE_VIRTIO_CRYPTO_PCI)
363 struct VirtIOCryptoPCI {
364 VirtIOPCIProxy parent_obj;
368 /* Virtio ABI version, if we increment this, we break the guest driver. */
369 #define VIRTIO_PCI_ABI_VERSION 0