target/iscsi/iscsi_target.c

576 	u32 iov_count = 0, tx_size = 0;
580 	iov[iov_count].iov_base	= cmd->pdu;
581 	iov[iov_count++].iov_len = ISCSI_HDR_LEN;
598 	iov_ret = iscsit_map_iovec(cmd, &cmd->iov_data[iov_count],
599 				   cmd->orig_iov_data_count - (iov_count + 2),
604 	iov_count += iov_ret;
609 		iov[iov_count].iov_base		= cmd->pad_bytes;
610 		iov[iov_count++].iov_len	= cmd->padding;
623 		iov[iov_count].iov_base	= &cmd->data_crc;
624 		iov[iov_count++].iov_len = ISCSI_CRC_LEN;
631 	cmd->iov_data_count = iov_count;
991 	u32 iov_count = max(1UL, DIV_ROUND_UP(cmd->se_cmd.data_length, PAGE_SIZE));
993 	iov_count += ISCSI_IOV_DATA_BUFFER;
994 	cmd->iov_data = kcalloc(iov_count, sizeof(*cmd->iov_data), GFP_KERNEL);
998 	cmd->orig_iov_data_count = iov_count;
1624 	u32 checksum, iov_count = 0, padding = 0, rx_got = 0, rx_size = 0;
1638 	iov_count += iov_ret;
1642 		iov[iov_count].iov_base	= cmd->pad_bytes;
1643 		iov[iov_count++].iov_len = padding;
1649 		iov[iov_count].iov_base = &checksum;
1650 		iov[iov_count++].iov_len = ISCSI_CRC_LEN;
1654 	WARN_ON_ONCE(iov_count > cmd->orig_iov_data_count);
1655 	rx_got = rx_data(conn, &cmd->iov_data[0], iov_count, rx_size);
2633 	u32 checksum, iov_count = 0, padding = 0;
2646 	iov_count = iov_ret;
2659 		iov[iov_count].iov_base = overflow_buf;
2660 		iov[iov_count].iov_len = length - rx_size;
2661 		iov_count++;
2667 		iov[iov_count].iov_base	= cmd->pad_bytes;
2668 		iov[iov_count++].iov_len = padding;
2673 		iov[iov_count].iov_base		= &checksum;
2674 		iov[iov_count++].iov_len	= ISCSI_CRC_LEN;
2678 	WARN_ON_ONCE(iov_count > cmd->orig_iov_data_count);
2679 	rx_got = rx_data(conn, &cmd->iov_data[0], iov_count, rx_size);