qdev: Convert uses of qdev_set_parent_bus() with Coccinelle
[qemu.git] / hw / virtio / vhost-scsi-pci.c
1 /*
2 * Vhost scsi PCI bindings
3 *
4 * Copyright IBM, Corp. 2011
5 *
6 * Authors:
7 * Stefan Hajnoczi <stefanha@linux.vnet.ibm.com>
8 *
9 * Changes for QEMU mainline + tcm_vhost kernel upstream:
10 * Nicholas Bellinger <nab@risingtidesystems.com>
11 *
12 * This work is licensed under the terms of the GNU LGPL, version 2 or later.
13 * See the COPYING.LIB file in the top-level directory.
14 *
15 */
16
17 #include "qemu/osdep.h"
18
19 #include "standard-headers/linux/virtio_pci.h"
20 #include "hw/qdev-properties.h"
21 #include "hw/virtio/vhost-scsi.h"
22 #include "qapi/error.h"
23 #include "qemu/module.h"
24 #include "virtio-pci.h"
25
26 typedef struct VHostSCSIPCI VHostSCSIPCI;
27
28 /*
29 * vhost-scsi-pci: This extends VirtioPCIProxy.
30 */
31 #define TYPE_VHOST_SCSI_PCI "vhost-scsi-pci-base"
32 #define VHOST_SCSI_PCI(obj) \
33 OBJECT_CHECK(VHostSCSIPCI, (obj), TYPE_VHOST_SCSI_PCI)
34
35 struct VHostSCSIPCI {
36 VirtIOPCIProxy parent_obj;
37 VHostSCSI vdev;
38 };
39
40 static Property vhost_scsi_pci_properties[] = {
41 DEFINE_PROP_UINT32("vectors", VirtIOPCIProxy, nvectors,
42 DEV_NVECTORS_UNSPECIFIED),
43 DEFINE_PROP_END_OF_LIST(),
44 };
45
46 static void vhost_scsi_pci_realize(VirtIOPCIProxy *vpci_dev, Error **errp)
47 {
48 VHostSCSIPCI *dev = VHOST_SCSI_PCI(vpci_dev);
49 DeviceState *vdev = DEVICE(&dev->vdev);
50 VirtIOSCSICommon *vs = VIRTIO_SCSI_COMMON(vdev);
51
52 if (vpci_dev->nvectors == DEV_NVECTORS_UNSPECIFIED) {
53 vpci_dev->nvectors = vs->conf.num_queues + 3;
54 }
55
56 qdev_realize(vdev, BUS(&vpci_dev->bus), errp);
57 }
58
59 static void vhost_scsi_pci_class_init(ObjectClass *klass, void *data)
60 {
61 DeviceClass *dc = DEVICE_CLASS(klass);
62 VirtioPCIClass *k = VIRTIO_PCI_CLASS(klass);
63 PCIDeviceClass *pcidev_k = PCI_DEVICE_CLASS(klass);
64 k->realize = vhost_scsi_pci_realize;
65 set_bit(DEVICE_CATEGORY_STORAGE, dc->categories);
66 device_class_set_props(dc, vhost_scsi_pci_properties);
67 pcidev_k->vendor_id = PCI_VENDOR_ID_REDHAT_QUMRANET;
68 pcidev_k->device_id = PCI_DEVICE_ID_VIRTIO_SCSI;
69 pcidev_k->revision = 0x00;
70 pcidev_k->class_id = PCI_CLASS_STORAGE_SCSI;
71 }
72
73 static void vhost_scsi_pci_instance_init(Object *obj)
74 {
75 VHostSCSIPCI *dev = VHOST_SCSI_PCI(obj);
76
77 virtio_instance_init_common(obj, &dev->vdev, sizeof(dev->vdev),
78 TYPE_VHOST_SCSI);
79 object_property_add_alias(obj, "bootindex", OBJECT(&dev->vdev),
80 "bootindex");
81 }
82
83 static const VirtioPCIDeviceTypeInfo vhost_scsi_pci_info = {
84 .base_name = TYPE_VHOST_SCSI_PCI,
85 .generic_name = "vhost-scsi-pci",
86 .transitional_name = "vhost-scsi-pci-transitional",
87 .non_transitional_name = "vhost-scsi-pci-non-transitional",
88 .instance_size = sizeof(VHostSCSIPCI),
89 .instance_init = vhost_scsi_pci_instance_init,
90 .class_init = vhost_scsi_pci_class_init,
91 };
92
93 static void vhost_scsi_pci_register(void)
94 {
95 virtio_pci_types_register(&vhost_scsi_pci_info);
96 }
97
98 type_init(vhost_scsi_pci_register)