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authorPaolo Bonzini <pbonzini@redhat.com>2013-03-29 01:08:16 +0000
committerPaolo Bonzini <pbonzini@redhat.com>2013-04-19 16:19:13 +0200
commitd6e51919a7e3250bbfb4bb0ad0f208ab6fd688a4 (patch)
treefe8fcb622231d71087db1e6815c581385417818f /hw
parentccf6916c843edd30ea4ecfaaac68faa865529c97 (diff)
vhost-scsi-s390: new device supporting the tcm_vhost Linux kernel module
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com> Signed-off-by: Asias He <asias@redhat.com> Cc: Michael S. Tsirkin <mst@redhat.com> Signed-off-by: Nicholas Bellinger <nab@linux-iscsi.org> Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Diffstat (limited to 'hw')
-rw-r--r--hw/s390x/s390-virtio-bus.c49
-rw-r--r--hw/s390x/s390-virtio-bus.h16
2 files changed, 65 insertions, 0 deletions
diff --git a/hw/s390x/s390-virtio-bus.c b/hw/s390x/s390-virtio-bus.c
index 8f29b5e92a..dabbc2e6a5 100644
--- a/hw/s390x/s390-virtio-bus.c
+++ b/hw/s390x/s390-virtio-bus.c
@@ -28,6 +28,7 @@
#include "hw/virtio/virtio-rng.h"
#include "hw/virtio/virtio-serial.h"
#include "hw/virtio/virtio-net.h"
+#include "hw/virtio/vhost-scsi.h"
#include "hw/sysbus.h"
#include "sysemu/kvm.h"
@@ -239,6 +240,28 @@ static void s390_virtio_scsi_instance_init(Object *obj)
object_property_add_child(obj, "virtio-backend", OBJECT(&dev->vdev), NULL);
}
+#ifdef CONFIG_VHOST_SCSI
+static int s390_vhost_scsi_init(VirtIOS390Device *s390_dev)
+{
+ VHostSCSIS390 *dev = VHOST_SCSI_S390(s390_dev);
+ DeviceState *vdev = DEVICE(&dev->vdev);
+
+ qdev_set_parent_bus(vdev, BUS(&s390_dev->bus));
+ if (qdev_init(vdev) < 0) {
+ return -1;
+ }
+
+ return s390_virtio_device_init(s390_dev, VIRTIO_DEVICE(vdev));
+}
+
+static void s390_vhost_scsi_instance_init(Object *obj)
+{
+ VHostSCSIS390 *dev = VHOST_SCSI_S390(obj);
+ object_initialize(OBJECT(&dev->vdev), TYPE_VHOST_SCSI);
+ object_property_add_child(obj, "virtio-backend", OBJECT(&dev->vdev), NULL);
+}
+#endif
+
static int s390_virtio_rng_init(VirtIOS390Device *dev)
{
VirtIODevice *vdev;
@@ -582,6 +605,31 @@ static const TypeInfo s390_virtio_scsi = {
.class_init = s390_virtio_scsi_class_init,
};
+#ifdef CONFIG_VHOST_SCSI
+static Property s390_vhost_scsi_properties[] = {
+ DEFINE_VIRTIO_COMMON_FEATURES(VirtIOS390Device, host_features),
+ DEFINE_VHOST_SCSI_PROPERTIES(VHostSCSIS390, vdev.parent_obj.conf),
+ DEFINE_PROP_END_OF_LIST(),
+};
+
+static void s390_vhost_scsi_class_init(ObjectClass *klass, void *data)
+{
+ DeviceClass *dc = DEVICE_CLASS(klass);
+ VirtIOS390DeviceClass *k = VIRTIO_S390_DEVICE_CLASS(klass);
+
+ k->init = s390_vhost_scsi_init;
+ dc->props = s390_vhost_scsi_properties;
+}
+
+static const TypeInfo s390_vhost_scsi = {
+ .name = TYPE_VHOST_SCSI_S390,
+ .parent = TYPE_VIRTIO_S390_DEVICE,
+ .instance_size = sizeof(VHostSCSIS390),
+ .instance_init = s390_vhost_scsi_instance_init,
+ .class_init = s390_vhost_scsi_class_init,
+};
+#endif
+
/***************** S390 Virtio Bus Bridge Device *******************/
/* Only required to have the virtio bus as child in the system bus */
@@ -643,6 +691,7 @@ static void s390_virtio_register_types(void)
type_register_static(&s390_virtio_blk);
type_register_static(&s390_virtio_net);
type_register_static(&s390_virtio_scsi);
+ type_register_static(&s390_vhost_scsi);
type_register_static(&s390_virtio_rng);
type_register_static(&s390_virtio_bridge_info);
}
diff --git a/hw/s390x/s390-virtio-bus.h b/hw/s390x/s390-virtio-bus.h
index 925ed2b0b1..d7c47db2b9 100644
--- a/hw/s390x/s390-virtio-bus.h
+++ b/hw/s390x/s390-virtio-bus.h
@@ -25,6 +25,9 @@
#include "hw/virtio/virtio-serial.h"
#include "hw/virtio/virtio-scsi.h"
#include "hw/virtio/virtio-bus.h"
+#ifdef CONFIG_VHOST_SCSI
+#include "hw/virtio/vhost-scsi.h"
+#endif
#define VIRTIO_DEV_OFFS_TYPE 0 /* 8 bits */
#define VIRTIO_DEV_OFFS_NUM_VQ 1 /* 8 bits */
@@ -160,4 +163,17 @@ typedef struct VirtIONetS390 {
VirtIONet vdev;
} VirtIONetS390;
+/* vhost-scsi-s390 */
+
+#ifdef CONFIG_VHOST_SCSI
+#define TYPE_VHOST_SCSI_S390 "vhost-scsi-s390"
+#define VHOST_SCSI_S390(obj) \
+ OBJECT_CHECK(VHostSCSIS390, (obj), TYPE_VHOST_SCSI_S390)
+
+typedef struct VHostSCSIS390 {
+ VirtIOS390Device parent_obj;
+ VHostSCSI vdev;
+} VHostSCSIS390;
+#endif
+
#endif