693510dd20
Reviewed-by: Laurent Vivier <lvivier@redhat.com> Signed-off-by: Juan Quintela <quintela@redhat.com> Reviewed-by: Michael S. Tsirkin <mst@redhat.com> Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
104 lines
3.3 KiB
C
104 lines
3.3 KiB
C
/*
|
|
* Vhost user scsi PCI Bindings
|
|
*
|
|
* Copyright (c) 2016 Nutanix Inc. All rights reserved.
|
|
*
|
|
* Author:
|
|
* Felipe Franciosi <felipe@nutanix.com>
|
|
*
|
|
* This work is largely based on the "vhost-scsi" implementation by:
|
|
* Stefan Hajnoczi <stefanha@linux.vnet.ibm.com>
|
|
* Nicholas Bellinger <nab@risingtidesystems.com>
|
|
*
|
|
* This work is licensed under the terms of the GNU LGPL, version 2 or later.
|
|
* See the COPYING.LIB file in the top-level directory.
|
|
*
|
|
*/
|
|
|
|
#include "qemu/osdep.h"
|
|
|
|
#include "standard-headers/linux/virtio_pci.h"
|
|
#include "hw/virtio/vhost-user-scsi.h"
|
|
#include "hw/virtio/virtio.h"
|
|
#include "hw/virtio/virtio-scsi.h"
|
|
#include "hw/pci/pci.h"
|
|
#include "qapi/error.h"
|
|
#include "qemu/error-report.h"
|
|
#include "hw/pci/msi.h"
|
|
#include "hw/pci/msix.h"
|
|
#include "hw/loader.h"
|
|
#include "sysemu/kvm.h"
|
|
#include "virtio-pci.h"
|
|
|
|
typedef struct VHostUserSCSIPCI VHostUserSCSIPCI;
|
|
|
|
#define TYPE_VHOST_USER_SCSI_PCI "vhost-user-scsi-pci-base"
|
|
#define VHOST_USER_SCSI_PCI(obj) \
|
|
OBJECT_CHECK(VHostUserSCSIPCI, (obj), TYPE_VHOST_USER_SCSI_PCI)
|
|
|
|
struct VHostUserSCSIPCI {
|
|
VirtIOPCIProxy parent_obj;
|
|
VHostUserSCSI vdev;
|
|
};
|
|
|
|
static Property vhost_user_scsi_pci_properties[] = {
|
|
DEFINE_PROP_UINT32("vectors", VirtIOPCIProxy, nvectors,
|
|
DEV_NVECTORS_UNSPECIFIED),
|
|
DEFINE_PROP_END_OF_LIST(),
|
|
};
|
|
|
|
static void vhost_user_scsi_pci_realize(VirtIOPCIProxy *vpci_dev, Error **errp)
|
|
{
|
|
VHostUserSCSIPCI *dev = VHOST_USER_SCSI_PCI(vpci_dev);
|
|
DeviceState *vdev = DEVICE(&dev->vdev);
|
|
VirtIOSCSICommon *vs = VIRTIO_SCSI_COMMON(vdev);
|
|
|
|
if (vpci_dev->nvectors == DEV_NVECTORS_UNSPECIFIED) {
|
|
vpci_dev->nvectors = vs->conf.num_queues + 3;
|
|
}
|
|
|
|
qdev_set_parent_bus(vdev, BUS(&vpci_dev->bus));
|
|
object_property_set_bool(OBJECT(vdev), true, "realized", errp);
|
|
}
|
|
|
|
static void vhost_user_scsi_pci_class_init(ObjectClass *klass, void *data)
|
|
{
|
|
DeviceClass *dc = DEVICE_CLASS(klass);
|
|
VirtioPCIClass *k = VIRTIO_PCI_CLASS(klass);
|
|
PCIDeviceClass *pcidev_k = PCI_DEVICE_CLASS(klass);
|
|
k->realize = vhost_user_scsi_pci_realize;
|
|
set_bit(DEVICE_CATEGORY_STORAGE, dc->categories);
|
|
dc->props = vhost_user_scsi_pci_properties;
|
|
pcidev_k->vendor_id = PCI_VENDOR_ID_REDHAT_QUMRANET;
|
|
pcidev_k->device_id = PCI_DEVICE_ID_VIRTIO_SCSI;
|
|
pcidev_k->revision = 0x00;
|
|
pcidev_k->class_id = PCI_CLASS_STORAGE_SCSI;
|
|
}
|
|
|
|
static void vhost_user_scsi_pci_instance_init(Object *obj)
|
|
{
|
|
VHostUserSCSIPCI *dev = VHOST_USER_SCSI_PCI(obj);
|
|
|
|
virtio_instance_init_common(obj, &dev->vdev, sizeof(dev->vdev),
|
|
TYPE_VHOST_USER_SCSI);
|
|
object_property_add_alias(obj, "bootindex", OBJECT(&dev->vdev),
|
|
"bootindex", &error_abort);
|
|
}
|
|
|
|
static const VirtioPCIDeviceTypeInfo vhost_user_scsi_pci_info = {
|
|
.base_name = TYPE_VHOST_USER_SCSI_PCI,
|
|
.generic_name = "vhost-user-scsi-pci",
|
|
.transitional_name = "vhost-user-scsi-pci-transitional",
|
|
.non_transitional_name = "vhost-user-scsi-pci-non-transitional",
|
|
.instance_size = sizeof(VHostUserSCSIPCI),
|
|
.instance_init = vhost_user_scsi_pci_instance_init,
|
|
.class_init = vhost_user_scsi_pci_class_init,
|
|
};
|
|
|
|
static void vhost_user_scsi_pci_register(void)
|
|
{
|
|
virtio_pci_types_register(&vhost_user_scsi_pci_info);
|
|
}
|
|
|
|
type_init(vhost_user_scsi_pci_register)
|