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virtio-scsi: Add 'iothread' property to virtio-scsi

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Similar to this property in virtio-blk for dataplane, add it as a QOM
link in virtio-scsi and an alias in virtio-scsi-pci and virtio-scsi-ccw,
in order to assign an iothread to the device.

Signed-off-by: Fam Zheng <famz@redhat.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
This commit is contained in:
Fam Zheng 2014-08-06 13:35:06 +08:00 committed by Paolo Bonzini
parent c8075caf19
commit 19d339f11d
4 changed files with 16 additions and 0 deletions
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2
hw/s390x/virtio-ccw.c
View File

@ -938,6 +938,8 @@ static void virtio_ccw_scsi_instance_init(Object *obj)
virtio_instance_init_common(obj, &dev->vdev, sizeof(dev->vdev), virtio_instance_init_common(obj, &dev->vdev, sizeof(dev->vdev),
TYPE_VIRTIO_SCSI); TYPE_VIRTIO_SCSI);
object_property_add_alias(obj, "iothread", OBJECT(&dev->vdev), "iothread",
&error_abort);
} }
#ifdef CONFIG_VHOST_SCSI #ifdef CONFIG_VHOST_SCSI

11
hw/scsi/virtio-scsi.c
View File

@ -728,6 +728,16 @@ static void virtio_scsi_device_realize(DeviceState *dev, Error **errp)
virtio_scsi_save, virtio_scsi_load, s); virtio_scsi_save, virtio_scsi_load, s);
} }
static void virtio_scsi_instance_init(Object *obj)
{
VirtIOSCSICommon *vs = VIRTIO_SCSI_COMMON(obj);
object_property_add_link(obj, "iothread", TYPE_IOTHREAD,
(Object **)&vs->conf.iothread,
qdev_prop_allow_set_link_before_realize,
OBJ_PROP_LINK_UNREF_ON_RELEASE, &error_abort);
}
void virtio_scsi_common_unrealize(DeviceState *dev, Error **errp) void virtio_scsi_common_unrealize(DeviceState *dev, Error **errp)
{ {
VirtIODevice *vdev = VIRTIO_DEVICE(dev); VirtIODevice *vdev = VIRTIO_DEVICE(dev);
@ -786,6 +796,7 @@ static const TypeInfo virtio_scsi_info = {
.name = TYPE_VIRTIO_SCSI, .name = TYPE_VIRTIO_SCSI,
.parent = TYPE_VIRTIO_SCSI_COMMON, .parent = TYPE_VIRTIO_SCSI_COMMON,
.instance_size = sizeof(VirtIOSCSI), .instance_size = sizeof(VirtIOSCSI),
.instance_init = virtio_scsi_instance_init,
.class_init = virtio_scsi_class_init, .class_init = virtio_scsi_class_init,
}; };

2
hw/virtio/virtio-pci.c
View File

@ -1186,6 +1186,8 @@ static void virtio_scsi_pci_instance_init(Object *obj)
virtio_instance_init_common(obj, &dev->vdev, sizeof(dev->vdev), virtio_instance_init_common(obj, &dev->vdev, sizeof(dev->vdev),
TYPE_VIRTIO_SCSI); TYPE_VIRTIO_SCSI);
object_property_add_alias(obj, "iothread", OBJECT(&dev->vdev), "iothread",
&error_abort);
} }
static const TypeInfo virtio_scsi_pci_info = { static const TypeInfo virtio_scsi_pci_info = {

1
include/hw/virtio/virtio-scsi.h
View File

@ -151,6 +151,7 @@ struct VirtIOSCSIConf {
uint32_t cmd_per_lun; uint32_t cmd_per_lun;
char *vhostfd; char *vhostfd;
char *wwpn; char *wwpn;
IOThread *iothread;
}; };
typedef struct VirtIOSCSICommon { typedef struct VirtIOSCSICommon {