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vhost-scsi-ccw: new device supporting the tcm_vhost Linux kernel module 

Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
This commit is contained in:
Paolo Bonzini 2013-04-19 16:16:50 +02:00
parent 50787628ee
commit ccf6916c84
2 changed files with 65 additions and 0 deletions
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51
hw/s390x/virtio-ccw.c
View File

@ -687,6 +687,28 @@ static void virtio_ccw_scsi_instance_init(Object *obj)
object_property_add_child(obj, "virtio-backend", OBJECT(&dev->vdev), NULL);
}
#ifdef CONFIG_VHOST_SCSI
static int vhost_ccw_scsi_init(VirtioCcwDevice *ccw_dev)
{
VHostSCSICcw *dev = VHOST_SCSI_CCW(ccw_dev);
DeviceState *vdev = DEVICE(&dev->vdev);
qdev_set_parent_bus(vdev, BUS(&ccw_dev->bus));
if (qdev_init(vdev) < 0) {
return -1;
}
return virtio_ccw_device_init(ccw_dev, VIRTIO_DEVICE(vdev));
}
static void vhost_ccw_scsi_instance_init(Object *obj)
{
VHostSCSICcw *dev = VHOST_SCSI_CCW(obj);
object_initialize(OBJECT(&dev->vdev), TYPE_VHOST_SCSI);
object_property_add_child(obj, "virtio-backend", OBJECT(&dev->vdev), NULL);
}
#endif
static int virtio_ccw_rng_init(VirtioCcwDevice *dev)
{
VirtIODevice *vdev;
@ -897,6 +919,34 @@ static const TypeInfo virtio_ccw_scsi = {
.class_init = virtio_ccw_scsi_class_init,
};
#ifdef CONFIG_VHOST_SCSI
static Property vhost_ccw_scsi_properties[] = {
DEFINE_PROP_STRING("devno", VirtioCcwDevice, bus_id),
DEFINE_VHOST_SCSI_PROPERTIES(VirtIOSCSICcw, vdev.parent_obj.conf),
DEFINE_VIRTIO_COMMON_FEATURES(VirtioCcwDevice, host_features[0]),
DEFINE_PROP_END_OF_LIST(),
};
static void vhost_ccw_scsi_class_init(ObjectClass *klass, void *data)
{
DeviceClass *dc = DEVICE_CLASS(klass);
VirtIOCCWDeviceClass *k = VIRTIO_CCW_DEVICE_CLASS(klass);
k->init = vhost_ccw_scsi_init;
k->exit = virtio_ccw_exit;
dc->reset = virtio_ccw_reset;
dc->props = vhost_ccw_scsi_properties;
}
static const TypeInfo vhost_ccw_scsi = {
.name = TYPE_VHOST_SCSI_CCW,
.parent = TYPE_VIRTIO_CCW_DEVICE,
.instance_size = sizeof(VirtIOSCSICcw),
.instance_init = vhost_ccw_scsi_instance_init,
.class_init = vhost_ccw_scsi_class_init,
};
#endif
static void virtio_ccw_rng_initfn(Object *obj)
{
VirtioCcwDevice *dev = VIRTIO_CCW_DEVICE(obj);
@ -1054,6 +1104,7 @@ static void virtio_ccw_register(void)
type_register_static(&virtio_ccw_net);
type_register_static(&virtio_ccw_balloon);
type_register_static(&virtio_ccw_scsi);
type_register_static(&vhost_ccw_scsi);
type_register_static(&virtio_ccw_rng);
type_register_static(&virtual_css_bridge_info);
}

14
hw/s390x/virtio-ccw.h
View File

@ -16,6 +16,9 @@
#include <hw/virtio/virtio-net.h>
#include <hw/virtio/virtio-serial.h>
#include <hw/virtio/virtio-scsi.h>
#ifdef CONFIG_VHOST_SCSI
#include <hw/virtio/vhost-scsi.h>
#endif
#include <hw/virtio/virtio-balloon.h>
#include <hw/virtio/virtio-rng.h>
#include <hw/virtio/virtio-bus.h>
@ -101,6 +104,17 @@ typedef struct VirtIOSCSICcw {
VirtIOSCSI vdev;
} VirtIOSCSICcw;
/* vhost-scsi-ccw */
#define TYPE_VHOST_SCSI_CCW "vhost-scsi-ccw"
#define VHOST_SCSI_CCW(obj) \
OBJECT_CHECK(VHostSCSICcw, (obj), TYPE_VHOST_SCSI_CCW)
typedef struct VHostSCSICcw {
VirtioCcwDevice parent_obj;
VHostSCSI vdev;
} VHostSCSICcw;
/* virtio-blk-ccw */
#define TYPE_VIRTIO_BLK_CCW "virtio-blk-ccw"