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