diff options
author | Paolo Bonzini <pbonzini@redhat.com> | 2013-03-29 01:08:16 +0000 |
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committer | Paolo Bonzini <pbonzini@redhat.com> | 2013-04-19 16:19:13 +0200 |
commit | d6e51919a7e3250bbfb4bb0ad0f208ab6fd688a4 (patch) | |
tree | fe8fcb622231d71087db1e6815c581385417818f /hw/s390x | |
parent | ccf6916c843edd30ea4ecfaaac68faa865529c97 (diff) | |
download | qemu-d6e51919a7e3250bbfb4bb0ad0f208ab6fd688a4.zip qemu-d6e51919a7e3250bbfb4bb0ad0f208ab6fd688a4.tar.gz qemu-d6e51919a7e3250bbfb4bb0ad0f208ab6fd688a4.tar.bz2 |
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/s390x')
-rw-r--r-- | hw/s390x/s390-virtio-bus.c | 49 | ||||
-rw-r--r-- | hw/s390x/s390-virtio-bus.h | 16 |
2 files changed, 65 insertions, 0 deletions
diff --git a/hw/s390x/s390-virtio-bus.c b/hw/s390x/s390-virtio-bus.c index 8f29b5e..dabbc2e 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 925ed2b..d7c47db 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 |