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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" |
db1015e9 | 22 | #include "qom/object.h" |
ddac19f5 JQ |
23 | |
24 | /* | |
25 | * virtio-9p-pci: This extends VirtioPCIProxy. | |
26 | */ | |
27 | ||
28 | #define TYPE_VIRTIO_9P_PCI "virtio-9p-pci-base" | |
db1015e9 | 29 | typedef struct V9fsPCIState V9fsPCIState; |
8110fa1d EH |
30 | DECLARE_INSTANCE_CHECKER(V9fsPCIState, VIRTIO_9P_PCI, |
31 | TYPE_VIRTIO_9P_PCI) | |
ddac19f5 | 32 | |
db1015e9 | 33 | struct V9fsPCIState { |
ddac19f5 JQ |
34 | VirtIOPCIProxy parent_obj; |
35 | V9fsVirtioState vdev; | |
db1015e9 | 36 | }; |
ddac19f5 JQ |
37 | |
38 | static void virtio_9p_pci_realize(VirtIOPCIProxy *vpci_dev, Error **errp) | |
39 | { | |
40 | V9fsPCIState *dev = VIRTIO_9P_PCI(vpci_dev); | |
41 | DeviceState *vdev = DEVICE(&dev->vdev); | |
42 | ||
99ba777e | 43 | qdev_realize(vdev, BUS(&vpci_dev->bus), errp); |
ddac19f5 JQ |
44 | } |
45 | ||
46 | static Property virtio_9p_pci_properties[] = { | |
47 | DEFINE_PROP_BIT("ioeventfd", VirtIOPCIProxy, flags, | |
48 | VIRTIO_PCI_FLAG_USE_IOEVENTFD_BIT, true), | |
49 | DEFINE_PROP_UINT32("vectors", VirtIOPCIProxy, nvectors, 2), | |
50 | DEFINE_PROP_END_OF_LIST(), | |
51 | }; | |
52 | ||
53 | static void virtio_9p_pci_class_init(ObjectClass *klass, void *data) | |
54 | { | |
55 | DeviceClass *dc = DEVICE_CLASS(klass); | |
56 | PCIDeviceClass *pcidev_k = PCI_DEVICE_CLASS(klass); | |
57 | VirtioPCIClass *k = VIRTIO_PCI_CLASS(klass); | |
58 | ||
59 | k->realize = virtio_9p_pci_realize; | |
60 | pcidev_k->vendor_id = PCI_VENDOR_ID_REDHAT_QUMRANET; | |
61 | pcidev_k->device_id = PCI_DEVICE_ID_VIRTIO_9P; | |
62 | pcidev_k->revision = VIRTIO_PCI_ABI_VERSION; | |
63 | pcidev_k->class_id = 0x2; | |
64 | set_bit(DEVICE_CATEGORY_STORAGE, dc->categories); | |
4f67d30b | 65 | device_class_set_props(dc, virtio_9p_pci_properties); |
ddac19f5 JQ |
66 | } |
67 | ||
68 | static void virtio_9p_pci_instance_init(Object *obj) | |
69 | { | |
70 | V9fsPCIState *dev = VIRTIO_9P_PCI(obj); | |
71 | ||
72 | virtio_instance_init_common(obj, &dev->vdev, sizeof(dev->vdev), | |
73 | TYPE_VIRTIO_9P); | |
74 | } | |
75 | ||
76 | static const VirtioPCIDeviceTypeInfo virtio_9p_pci_info = { | |
77 | .base_name = TYPE_VIRTIO_9P_PCI, | |
78 | .generic_name = "virtio-9p-pci", | |
79 | .transitional_name = "virtio-9p-pci-transitional", | |
80 | .non_transitional_name = "virtio-9p-pci-non-transitional", | |
81 | .instance_size = sizeof(V9fsPCIState), | |
82 | .instance_init = virtio_9p_pci_instance_init, | |
83 | .class_init = virtio_9p_pci_class_init, | |
84 | }; | |
85 | ||
86 | static void virtio_9p_pci_register(void) | |
87 | { | |
88 | virtio_pci_types_register(&virtio_9p_pci_info); | |
89 | } | |
90 | ||
91 | type_init(virtio_9p_pci_register) |