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" | |
| 20 | ||
| 21 | /* | |
| 22 | * virtio-9p-pci: This extends VirtioPCIProxy. | |
| 23 | */ | |
| 24 | ||
| 25 | #define TYPE_VIRTIO_9P_PCI "virtio-9p-pci-base" | |
| 26 | #define VIRTIO_9P_PCI(obj) \ | |
| 27 | OBJECT_CHECK(V9fsPCIState, (obj), TYPE_VIRTIO_9P_PCI) | |
| 28 | ||
| 29 | typedef struct V9fsPCIState { | |
| 30 | VirtIOPCIProxy parent_obj; | |
| 31 | V9fsVirtioState vdev; | |
| 32 | } V9fsPCIState; | |
| 33 | ||
| 34 | static void virtio_9p_pci_realize(VirtIOPCIProxy *vpci_dev, Error **errp) | |
| 35 | { | |
| 36 | V9fsPCIState *dev = VIRTIO_9P_PCI(vpci_dev); | |
| 37 | DeviceState *vdev = DEVICE(&dev->vdev); | |
| 38 | ||
| 39 | qdev_set_parent_bus(vdev, BUS(&vpci_dev->bus)); | |
| 40 | object_property_set_bool(OBJECT(vdev), true, "realized", errp); | |
| 41 | } | |
| 42 | ||
| 43 | static Property virtio_9p_pci_properties[] = { | |
| 44 | DEFINE_PROP_BIT("ioeventfd", VirtIOPCIProxy, flags, | |
| 45 | VIRTIO_PCI_FLAG_USE_IOEVENTFD_BIT, true), | |
| 46 | DEFINE_PROP_UINT32("vectors", VirtIOPCIProxy, nvectors, 2), | |
| 47 | DEFINE_PROP_END_OF_LIST(), | |
| 48 | }; | |
| 49 | ||
| 50 | static void virtio_9p_pci_class_init(ObjectClass *klass, void *data) | |
| 51 | { | |
| 52 | DeviceClass *dc = DEVICE_CLASS(klass); | |
| 53 | PCIDeviceClass *pcidev_k = PCI_DEVICE_CLASS(klass); | |
| 54 | VirtioPCIClass *k = VIRTIO_PCI_CLASS(klass); | |
| 55 | ||
| 56 | k->realize = virtio_9p_pci_realize; | |
| 57 | pcidev_k->vendor_id = PCI_VENDOR_ID_REDHAT_QUMRANET; | |
| 58 | pcidev_k->device_id = PCI_DEVICE_ID_VIRTIO_9P; | |
| 59 | pcidev_k->revision = VIRTIO_PCI_ABI_VERSION; | |
| 60 | pcidev_k->class_id = 0x2; | |
| 61 | set_bit(DEVICE_CATEGORY_STORAGE, dc->categories); | |
| 62 | dc->props = virtio_9p_pci_properties; | |
| 63 | } | |
| 64 | ||
| 65 | static void virtio_9p_pci_instance_init(Object *obj) | |
| 66 | { | |
| 67 | V9fsPCIState *dev = VIRTIO_9P_PCI(obj); | |
| 68 | ||
| 69 | virtio_instance_init_common(obj, &dev->vdev, sizeof(dev->vdev), | |
| 70 | TYPE_VIRTIO_9P); | |
| 71 | } | |
| 72 | ||
| 73 | static const VirtioPCIDeviceTypeInfo virtio_9p_pci_info = { | |
| 74 | .base_name = TYPE_VIRTIO_9P_PCI, | |
| 75 | .generic_name = "virtio-9p-pci", | |
| 76 | .transitional_name = "virtio-9p-pci-transitional", | |
| 77 | .non_transitional_name = "virtio-9p-pci-non-transitional", | |
| 78 | .instance_size = sizeof(V9fsPCIState), | |
| 79 | .instance_init = virtio_9p_pci_instance_init, | |
| 80 | .class_init = virtio_9p_pci_class_init, | |
| 81 | }; | |
| 82 | ||
| 83 | static void virtio_9p_pci_register(void) | |
| 84 | { | |
| 85 | virtio_pci_types_register(&virtio_9p_pci_info); | |
| 86 | } | |
| 87 | ||
| 88 | type_init(virtio_9p_pci_register) |