projects / mirror_qemu.git / blame
| Commit | Line | Data |
|---|---|---|
| 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) |