diff options
Diffstat (limited to 'hw/scsi/virtio-scsi.c')
-rw-r--r-- | hw/scsi/virtio-scsi.c | 18 |
1 files changed, 9 insertions, 9 deletions
diff --git a/hw/scsi/virtio-scsi.c b/hw/scsi/virtio-scsi.c index 7fdf6ade98..50a3cb28b5 100644 --- a/hw/scsi/virtio-scsi.c +++ b/hw/scsi/virtio-scsi.c @@ -41,19 +41,15 @@ static inline SCSIDevice *virtio_scsi_device_find(VirtIOSCSI *s, uint8_t *lun) return scsi_device_find(&s->bus, 0, lun[1], virtio_scsi_get_lun(lun)); } -VirtIOSCSIReq *virtio_scsi_init_req(VirtIOSCSI *s, VirtQueue *vq) +void virtio_scsi_init_req(VirtIOSCSI *s, VirtQueue *vq, VirtIOSCSIReq *req) { - VirtIOSCSIReq *req; - VirtIOSCSICommon *vs = (VirtIOSCSICommon *)s; const size_t zero_skip = offsetof(VirtIOSCSIReq, vring); - req = g_malloc(sizeof(*req) + vs->cdb_size); req->vq = vq; req->dev = s; qemu_sglist_init(&req->qsgl, DEVICE(s), 8, &address_space_memory); qemu_iovec_init(&req->resp_iov, 1); memset((uint8_t *)req + zero_skip, 0, sizeof(*req) - zero_skip); - return req; } void virtio_scsi_free_req(VirtIOSCSIReq *req) @@ -174,11 +170,14 @@ static int virtio_scsi_parse_req(VirtIOSCSIReq *req, static VirtIOSCSIReq *virtio_scsi_pop_req(VirtIOSCSI *s, VirtQueue *vq) { - VirtIOSCSIReq *req = virtio_scsi_init_req(s, vq); - if (!virtqueue_pop(vq, &req->elem)) { - virtio_scsi_free_req(req); + VirtIOSCSICommon *vs = (VirtIOSCSICommon *)s; + VirtIOSCSIReq *req; + + req = virtqueue_pop(vq, sizeof(VirtIOSCSIReq) + vs->cdb_size); + if (!req) { return NULL; } + virtio_scsi_init_req(s, vq, req); return req; } @@ -203,8 +202,9 @@ static void *virtio_scsi_load_request(QEMUFile *f, SCSIRequest *sreq) qemu_get_be32s(f, &n); assert(n < vs->conf.num_queues); - req = virtio_scsi_init_req(s, vs->cmd_vqs[n]); + req = g_malloc(sizeof(VirtIOSCSIReq) + vs->cdb_size); qemu_get_buffer(f, (unsigned char *)&req->elem, sizeof(req->elem)); + virtio_scsi_init_req(s, vs->cmd_vqs[n], req); virtqueue_map(&req->elem); |