ulp/isert/ib_isert.c

153 	struct iser_rx_desc *rx_desc;
164 	rx_desc = isert_conn->rx_descs;
166 	for (i = 0; i < ISERT_QP_MAX_RECV_DTOS; i++, rx_desc++)  {
167 		dma_addr = ib_dma_map_single(ib_dev, rx_desc->buf,
172 		rx_desc->dma_addr = dma_addr;
174 		rx_sg = &rx_desc->rx_sg;
175 		rx_sg->addr = rx_desc->dma_addr + isert_get_hdr_offset(rx_desc);
178 		rx_desc->rx_cqe.done = isert_recv_done;
184 	rx_desc = isert_conn->rx_descs;
185 	for (j = 0; j < i; j++, rx_desc++) {
186 		ib_dma_unmap_single(ib_dev, rx_desc->dma_addr,
199 	struct iser_rx_desc *rx_desc;
205 	rx_desc = isert_conn->rx_descs;
206 	for (i = 0; i < ISERT_QP_MAX_RECV_DTOS; i++, rx_desc++)  {
207 		ib_dma_unmap_single(ib_dev, rx_desc->dma_addr,
734 	struct iser_rx_desc *rx_desc;
737 		rx_desc = &isert_conn->rx_descs[i];
739 		rx_wr->wr_cqe = &rx_desc->rx_cqe;
740 		rx_wr->sg_list = &rx_desc->rx_sg;
743 		rx_desc->in_use = false;
756 isert_post_recv(struct isert_conn *isert_conn, struct iser_rx_desc *rx_desc)
761 	if (!rx_desc->in_use) {
769 	rx_desc->in_use = false;
770 	rx_wr.wr_cqe = &rx_desc->rx_cqe;
771 	rx_wr.sg_list = &rx_desc->rx_sg;
982 	struct iser_rx_desc *rx_desc = isert_conn->login_desc;
994 			(struct iscsi_login_req *)isert_get_iscsi_hdr(rx_desc);
1012 	memcpy(&login->req[0], isert_get_iscsi_hdr(rx_desc), ISCSI_HDR_LEN);
1018 	memcpy(login->req_buf, isert_get_data(rx_desc), size);
1028 *isert_allocate_cmd(struct iscsit_conn *conn, struct iser_rx_desc *rx_desc)
1042 	isert_cmd->rx_desc = rx_desc;
1050 		      struct iser_rx_desc *rx_desc, unsigned char *buf)
1083 				    isert_get_data(rx_desc), imm_data_len);
1090 		sg_set_buf(&isert_cmd->sg, isert_get_data(rx_desc),
1118 			   struct iser_rx_desc *rx_desc, unsigned char *buf)
1160 		  sg_nents, isert_get_data(rx_desc), unsol_data_len);
1162 	sg_copy_from_buffer(sg_start, sg_nents, isert_get_data(rx_desc),
1173 	return isert_post_recv(isert_conn, rx_desc);
1178 		     struct iscsit_cmd *cmd, struct iser_rx_desc *rx_desc,
1197 		      struct iscsit_cmd *cmd, struct iser_rx_desc *rx_desc,
1216 	memcpy(cmd->text_in_ptr, isert_get_data(rx_desc), payload_length);
1222 isert_rx_opcode(struct isert_conn *isert_conn, struct iser_rx_desc *rx_desc,
1226 	struct iscsi_hdr *hdr = isert_get_iscsi_hdr(rx_desc);
1242 		cmd = isert_allocate_cmd(conn, rx_desc);
1254 					rx_desc, (unsigned char *)hdr);
1257 		cmd = isert_allocate_cmd(conn, rx_desc);
1263 					   rx_desc, (unsigned char *)hdr);
1266 		ret = isert_handle_iscsi_dataout(isert_conn, rx_desc,
1270 		cmd = isert_allocate_cmd(conn, rx_desc);
1278 		cmd = isert_allocate_cmd(conn, rx_desc);
1288 			cmd = isert_allocate_cmd(conn, rx_desc);
1295 					    rx_desc, (struct iscsi_text *)hdr);
1323 	struct iser_rx_desc *rx_desc = cqe_to_rx_desc(wc->wr_cqe);
1324 	struct iscsi_hdr *hdr = isert_get_iscsi_hdr(rx_desc);
1325 	struct iser_ctrl *iser_ctrl = isert_get_iser_hdr(rx_desc);
1336 	rx_desc->in_use = true;
1338 	ib_dma_sync_single_for_cpu(ib_dev, rx_desc->dma_addr,
1342 		 rx_desc->dma_addr, hdr->opcode, hdr->itt, hdr->flags,
1370 	isert_rx_opcode(isert_conn, rx_desc,
1373 	ib_dma_sync_single_for_device(ib_dev, rx_desc->dma_addr,
1749 	ret = isert_post_recv(isert_conn, isert_cmd->rx_desc);
2122 		rc = isert_post_recv(isert_conn, isert_cmd->rx_desc);