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19#include "qemu/osdep.h"
20
21#include "standard-headers/linux/virtio_pci.h"
22#include "hw/virtio/virtio.h"
23#include "hw/virtio/vhost-user-blk.h"
24#include "hw/pci/pci.h"
25#include "qapi/error.h"
26#include "qemu/error-report.h"
27#include "qemu/module.h"
28#include "virtio-pci.h"
29
30typedef struct VHostUserBlkPCI VHostUserBlkPCI;
31
32
33
34
35#define TYPE_VHOST_USER_BLK_PCI "vhost-user-blk-pci-base"
36#define VHOST_USER_BLK_PCI(obj) \
37 OBJECT_CHECK(VHostUserBlkPCI, (obj), TYPE_VHOST_USER_BLK_PCI)
38
39struct VHostUserBlkPCI {
40 VirtIOPCIProxy parent_obj;
41 VHostUserBlk vdev;
42};
43
44static Property vhost_user_blk_pci_properties[] = {
45 DEFINE_PROP_UINT32("class", VirtIOPCIProxy, class_code, 0),
46 DEFINE_PROP_UINT32("vectors", VirtIOPCIProxy, nvectors,
47 DEV_NVECTORS_UNSPECIFIED),
48 DEFINE_PROP_END_OF_LIST(),
49};
50
51static void vhost_user_blk_pci_realize(VirtIOPCIProxy *vpci_dev, Error **errp)
52{
53 VHostUserBlkPCI *dev = VHOST_USER_BLK_PCI(vpci_dev);
54 DeviceState *vdev = DEVICE(&dev->vdev);
55
56 if (vpci_dev->nvectors == DEV_NVECTORS_UNSPECIFIED) {
57 vpci_dev->nvectors = dev->vdev.num_queues + 1;
58 }
59
60 qdev_set_parent_bus(vdev, BUS(&vpci_dev->bus));
61 object_property_set_bool(OBJECT(vdev), true, "realized", errp);
62}
63
64static void vhost_user_blk_pci_class_init(ObjectClass *klass, void *data)
65{
66 DeviceClass *dc = DEVICE_CLASS(klass);
67 VirtioPCIClass *k = VIRTIO_PCI_CLASS(klass);
68 PCIDeviceClass *pcidev_k = PCI_DEVICE_CLASS(klass);
69
70 set_bit(DEVICE_CATEGORY_STORAGE, dc->categories);
71 dc->props = vhost_user_blk_pci_properties;
72 k->realize = vhost_user_blk_pci_realize;
73 pcidev_k->vendor_id = PCI_VENDOR_ID_REDHAT_QUMRANET;
74 pcidev_k->device_id = PCI_DEVICE_ID_VIRTIO_BLOCK;
75 pcidev_k->revision = VIRTIO_PCI_ABI_VERSION;
76 pcidev_k->class_id = PCI_CLASS_STORAGE_SCSI;
77}
78
79static void vhost_user_blk_pci_instance_init(Object *obj)
80{
81 VHostUserBlkPCI *dev = VHOST_USER_BLK_PCI(obj);
82
83 virtio_instance_init_common(obj, &dev->vdev, sizeof(dev->vdev),
84 TYPE_VHOST_USER_BLK);
85 object_property_add_alias(obj, "bootindex", OBJECT(&dev->vdev),
86 "bootindex", &error_abort);
87}
88
89static const VirtioPCIDeviceTypeInfo vhost_user_blk_pci_info = {
90 .base_name = TYPE_VHOST_USER_BLK_PCI,
91 .generic_name = "vhost-user-blk-pci",
92 .transitional_name = "vhost-user-blk-pci-transitional",
93 .non_transitional_name = "vhost-user-blk-pci-non-transitional",
94 .instance_size = sizeof(VHostUserBlkPCI),
95 .instance_init = vhost_user_blk_pci_instance_init,
96 .class_init = vhost_user_blk_pci_class_init,
97};
98
99static void vhost_user_blk_pci_register(void)
100{
101 virtio_pci_types_register(&vhost_user_blk_pci_info);
102}
103
104type_init(vhost_user_blk_pci_register)
105