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ddac19f5 JQ |
1 | /* |
2 | * Virtio 9p PCI Bindings | |
3 | * | |
4 | * Copyright IBM, Corp. 2010 | |
5 | * | |
6 | * Authors: | |
7 | * Anthony Liguori <aliguori@us.ibm.com> | |
8 | * | |
9 | * This work is licensed under the terms of the GNU GPL, version 2. See | |
10 | * the COPYING file in the top-level directory. | |
11 | * | |
12 | * Contributions after 2012-01-13 are licensed under the terms of the | |
13 | * GNU GPL, version 2 or (at your option) any later version. | |
14 | */ | |
15 | ||
16 | #include "qemu/osdep.h" | |
17 | ||
18 | #include "virtio-pci.h" | |
19 | #include "hw/9pfs/virtio-9p.h" | |
a27bd6c7 | 20 | #include "hw/qdev-properties.h" |
0b8fa32f | 21 | #include "qemu/module.h" |
ddac19f5 JQ |
22 | |
23 | /* | |
24 | * virtio-9p-pci: This extends VirtioPCIProxy. | |
25 | */ | |
26 | ||
27 | #define TYPE_VIRTIO_9P_PCI "virtio-9p-pci-base" | |
28 | #define VIRTIO_9P_PCI(obj) \ | |
29 | OBJECT_CHECK(V9fsPCIState, (obj), TYPE_VIRTIO_9P_PCI) | |
30 | ||
31 | typedef struct V9fsPCIState { | |
32 | VirtIOPCIProxy parent_obj; | |
33 | V9fsVirtioState vdev; | |
34 | } V9fsPCIState; | |
35 | ||
36 | static void virtio_9p_pci_realize(VirtIOPCIProxy *vpci_dev, Error **errp) | |
37 | { | |
38 | V9fsPCIState *dev = VIRTIO_9P_PCI(vpci_dev); | |
39 | DeviceState *vdev = DEVICE(&dev->vdev); | |
40 | ||
41 | qdev_set_parent_bus(vdev, BUS(&vpci_dev->bus)); | |
42 | object_property_set_bool(OBJECT(vdev), true, "realized", errp); | |
43 | } | |
44 | ||
45 | static Property virtio_9p_pci_properties[] = { | |
46 | DEFINE_PROP_BIT("ioeventfd", VirtIOPCIProxy, flags, | |
47 | VIRTIO_PCI_FLAG_USE_IOEVENTFD_BIT, true), | |
48 | DEFINE_PROP_UINT32("vectors", VirtIOPCIProxy, nvectors, 2), | |
49 | DEFINE_PROP_END_OF_LIST(), | |
50 | }; | |
51 | ||
52 | static void virtio_9p_pci_class_init(ObjectClass *klass, void *data) | |
53 | { | |
54 | DeviceClass *dc = DEVICE_CLASS(klass); | |
55 | PCIDeviceClass *pcidev_k = PCI_DEVICE_CLASS(klass); | |
56 | VirtioPCIClass *k = VIRTIO_PCI_CLASS(klass); | |
57 | ||
58 | k->realize = virtio_9p_pci_realize; | |
59 | pcidev_k->vendor_id = PCI_VENDOR_ID_REDHAT_QUMRANET; | |
60 | pcidev_k->device_id = PCI_DEVICE_ID_VIRTIO_9P; | |
61 | pcidev_k->revision = VIRTIO_PCI_ABI_VERSION; | |
62 | pcidev_k->class_id = 0x2; | |
63 | set_bit(DEVICE_CATEGORY_STORAGE, dc->categories); | |
64 | dc->props = virtio_9p_pci_properties; | |
65 | } | |
66 | ||
67 | static void virtio_9p_pci_instance_init(Object *obj) | |
68 | { | |
69 | V9fsPCIState *dev = VIRTIO_9P_PCI(obj); | |
70 | ||
71 | virtio_instance_init_common(obj, &dev->vdev, sizeof(dev->vdev), | |
72 | TYPE_VIRTIO_9P); | |
73 | } | |
74 | ||
75 | static const VirtioPCIDeviceTypeInfo virtio_9p_pci_info = { | |
76 | .base_name = TYPE_VIRTIO_9P_PCI, | |
77 | .generic_name = "virtio-9p-pci", | |
78 | .transitional_name = "virtio-9p-pci-transitional", | |
79 | .non_transitional_name = "virtio-9p-pci-non-transitional", | |
80 | .instance_size = sizeof(V9fsPCIState), | |
81 | .instance_init = virtio_9p_pci_instance_init, | |
82 | .class_init = virtio_9p_pci_class_init, | |
83 | }; | |
84 | ||
85 | static void virtio_9p_pci_register(void) | |
86 | { | |
87 | virtio_pci_types_register(&virtio_9p_pci_info); | |
88 | } | |
89 | ||
90 | type_init(virtio_9p_pci_register) |