hw/arm/raspi: fix CPRMAN base address
[qemu.git] / hw / virtio / vhost-user-fs-pci.c
1 /*
2 * Vhost-user filesystem virtio device PCI glue
3 *
4 * Copyright 2018-2019 Red Hat, Inc.
5 *
6 * Authors:
7 * Dr. David Alan Gilbert <dgilbert@redhat.com>
8 *
9 * This work is licensed under the terms of the GNU GPL, version 2 or
10 * (at your option) any later version. See the COPYING file in the
11 * top-level directory.
12 */
13
14 #include "qemu/osdep.h"
15 #include "hw/qdev-properties.h"
16 #include "hw/virtio/vhost-user-fs.h"
17 #include "virtio-pci.h"
18 #include "qom/object.h"
19
20 struct VHostUserFSPCI {
21 VirtIOPCIProxy parent_obj;
22 VHostUserFS vdev;
23 };
24
25 typedef struct VHostUserFSPCI VHostUserFSPCI;
26
27 #define TYPE_VHOST_USER_FS_PCI "vhost-user-fs-pci-base"
28
29 DECLARE_INSTANCE_CHECKER(VHostUserFSPCI, VHOST_USER_FS_PCI,
30 TYPE_VHOST_USER_FS_PCI)
31
32 static Property vhost_user_fs_pci_properties[] = {
33 DEFINE_PROP_UINT32("vectors", VirtIOPCIProxy, nvectors,
34 DEV_NVECTORS_UNSPECIFIED),
35 DEFINE_PROP_END_OF_LIST(),
36 };
37
38 static void vhost_user_fs_pci_realize(VirtIOPCIProxy *vpci_dev, Error **errp)
39 {
40 VHostUserFSPCI *dev = VHOST_USER_FS_PCI(vpci_dev);
41 DeviceState *vdev = DEVICE(&dev->vdev);
42
43 if (vpci_dev->nvectors == DEV_NVECTORS_UNSPECIFIED) {
44 /* Also reserve config change and hiprio queue vectors */
45 vpci_dev->nvectors = dev->vdev.conf.num_request_queues + 2;
46 }
47
48 qdev_realize(vdev, BUS(&vpci_dev->bus), errp);
49 }
50
51 static void vhost_user_fs_pci_class_init(ObjectClass *klass, void *data)
52 {
53 DeviceClass *dc = DEVICE_CLASS(klass);
54 VirtioPCIClass *k = VIRTIO_PCI_CLASS(klass);
55 PCIDeviceClass *pcidev_k = PCI_DEVICE_CLASS(klass);
56 k->realize = vhost_user_fs_pci_realize;
57 set_bit(DEVICE_CATEGORY_STORAGE, dc->categories);
58 device_class_set_props(dc, vhost_user_fs_pci_properties);
59 pcidev_k->vendor_id = PCI_VENDOR_ID_REDHAT_QUMRANET;
60 pcidev_k->device_id = 0; /* Set by virtio-pci based on virtio id */
61 pcidev_k->revision = 0x00;
62 pcidev_k->class_id = PCI_CLASS_STORAGE_OTHER;
63 }
64
65 static void vhost_user_fs_pci_instance_init(Object *obj)
66 {
67 VHostUserFSPCI *dev = VHOST_USER_FS_PCI(obj);
68
69 virtio_instance_init_common(obj, &dev->vdev, sizeof(dev->vdev),
70 TYPE_VHOST_USER_FS);
71 }
72
73 static const VirtioPCIDeviceTypeInfo vhost_user_fs_pci_info = {
74 .base_name = TYPE_VHOST_USER_FS_PCI,
75 .non_transitional_name = "vhost-user-fs-pci",
76 .instance_size = sizeof(VHostUserFSPCI),
77 .instance_init = vhost_user_fs_pci_instance_init,
78 .class_init = vhost_user_fs_pci_class_init,
79 };
80
81 static void vhost_user_fs_pci_register(void)
82 {
83 virtio_pci_types_register(&vhost_user_fs_pci_info);
84 }
85
86 type_init(vhost_user_fs_pci_register);