Lines Matching defs:vbr
49 struct virtblk_req *vbr;
54 while ((vbr = virtqueue_get_buf(vblk->vq, &len)) != NULL) {
57 switch (vbr->status) {
69 switch (vbr->req->cmd_type) {
71 vbr->req->resid_len = vbr->in_hdr.residual;
72 vbr->req->sense_len = vbr->in_hdr.sense_len;
73 vbr->req->errors = vbr->in_hdr.errors;
76 vbr->req->errors = (error != 0);
82 __blk_end_request_all(vbr->req, error);
83 list_del(&vbr->list);
84 mempool_free(vbr, vblk->pool);
95 struct virtblk_req *vbr;
97 vbr = mempool_alloc(vblk->pool, GFP_ATOMIC);
98 if (!vbr)
102 vbr->req = req;
105 vbr->out_hdr.type = VIRTIO_BLK_T_FLUSH;
106 vbr->out_hdr.sector = 0;
107 vbr->out_hdr.ioprio = req_get_ioprio(vbr->req);
111 vbr->out_hdr.type = 0;
112 vbr->out_hdr.sector = blk_rq_pos(vbr->req);
113 vbr->out_hdr.ioprio = req_get_ioprio(vbr->req);
116 vbr->out_hdr.type = VIRTIO_BLK_T_SCSI_CMD;
117 vbr->out_hdr.sector = 0;
118 vbr->out_hdr.ioprio = req_get_ioprio(vbr->req);
121 vbr->out_hdr.type = VIRTIO_BLK_T_GET_ID;
122 vbr->out_hdr.sector = 0;
123 vbr->out_hdr.ioprio = req_get_ioprio(vbr->req);
131 if (vbr->req->cmd_flags & REQ_HARDBARRIER)
132 vbr->out_hdr.type |= VIRTIO_BLK_T_BARRIER;
134 sg_set_buf(&vblk->sg[out++], &vbr->out_hdr, sizeof(vbr->out_hdr));
142 if (vbr->req->cmd_type == REQ_TYPE_BLOCK_PC)
143 sg_set_buf(&vblk->sg[out++], vbr->req->cmd, vbr->req->cmd_len);
145 num = blk_rq_map_sg(q, vbr->req, vblk->sg + out);
147 if (vbr->req->cmd_type == REQ_TYPE_BLOCK_PC) {
148 sg_set_buf(&vblk->sg[num + out + in++], vbr->req->sense, 96);
149 sg_set_buf(&vblk->sg[num + out + in++], &vbr->in_hdr,
150 sizeof(vbr->in_hdr));
153 sg_set_buf(&vblk->sg[num + out + in++], &vbr->status,
154 sizeof(vbr->status));
157 if (rq_data_dir(vbr->req) == WRITE) {
158 vbr->out_hdr.type |= VIRTIO_BLK_T_OUT;
161 vbr->out_hdr.type |= VIRTIO_BLK_T_IN;
166 if (virtqueue_add_buf(vblk->vq, vblk->sg, out, in, vbr) < 0) {
167 mempool_free(vbr, vblk->pool);
171 list_add_tail(&vbr->list, &vblk->reqs);