diff options
Diffstat (limited to 'drivers/target')
41 files changed, 613 insertions, 605 deletions
diff --git a/drivers/target/iscsi/iscsi_target.c b/drivers/target/iscsi/iscsi_target.c index 97c0f78c3c9c..d6ce2182e672 100644 --- a/drivers/target/iscsi/iscsi_target.c +++ b/drivers/target/iscsi/iscsi_target.c @@ -427,7 +427,7 @@ int iscsit_reset_np_thread( return 0; } -int iscsit_del_np_comm(struct iscsi_np *np) +static int iscsit_del_np_comm(struct iscsi_np *np) { if (np->np_socket) sock_release(np->np_socket); @@ -785,10 +785,6 @@ static int iscsit_handle_scsi_cmd( hdr = (struct iscsi_scsi_req *) buf; payload_length = ntoh24(hdr->dlength); - hdr->itt = be32_to_cpu(hdr->itt); - hdr->data_length = be32_to_cpu(hdr->data_length); - hdr->cmdsn = be32_to_cpu(hdr->cmdsn); - hdr->exp_statsn = be32_to_cpu(hdr->exp_statsn); /* FIXME; Add checks for AdditionalHeaderSegment */ @@ -852,7 +848,7 @@ done: buf, conn); } - if ((hdr->data_length == payload_length) && + if ((be32_to_cpu(hdr->data_length )== payload_length) && (!(hdr->flags & ISCSI_FLAG_CMD_FINAL))) { pr_err("Expected Data Transfer Length and Length of" " Immediate Data are the same, but ISCSI_FLAG_CMD_FINAL" @@ -861,7 +857,7 @@ done: buf, conn); } - if (payload_length > hdr->data_length) { + if (payload_length > be32_to_cpu(hdr->data_length)) { pr_err("DataSegmentLength: %u is greater than" " EDTL: %u, protocol error.\n", payload_length, hdr->data_length); @@ -869,10 +865,10 @@ done: buf, conn); } - if (payload_length > conn->conn_ops->MaxRecvDataSegmentLength) { + if (payload_length > conn->conn_ops->MaxXmitDataSegmentLength) { pr_err("DataSegmentLength: %u is greater than" - " MaxRecvDataSegmentLength: %u, protocol error.\n", - payload_length, conn->conn_ops->MaxRecvDataSegmentLength); + " MaxXmitDataSegmentLength: %u, protocol error.\n", + payload_length, conn->conn_ops->MaxXmitDataSegmentLength); return iscsit_add_reject(ISCSI_REASON_PROTOCOL_ERROR, 1, buf, conn); } @@ -932,8 +928,8 @@ done: spin_unlock_bh(&conn->sess->ttt_lock); } else if (hdr->flags & ISCSI_FLAG_CMD_WRITE) cmd->targ_xfer_tag = 0xFFFFFFFF; - cmd->cmd_sn = hdr->cmdsn; - cmd->exp_stat_sn = hdr->exp_statsn; + cmd->cmd_sn = be32_to_cpu(hdr->cmdsn); + cmd->exp_stat_sn = be32_to_cpu(hdr->exp_statsn); cmd->first_burst_len = payload_length; if (cmd->data_direction == DMA_FROM_DEVICE) { @@ -952,8 +948,9 @@ done: * Initialize struct se_cmd descriptor from target_core_mod infrastructure */ transport_init_se_cmd(&cmd->se_cmd, &lio_target_fabric_configfs->tf_ops, - conn->sess->se_sess, hdr->data_length, cmd->data_direction, - sam_task_attr, &cmd->sense_buffer[0]); + conn->sess->se_sess, be32_to_cpu(hdr->data_length), + cmd->data_direction, sam_task_attr, + cmd->sense_buffer + 2); pr_debug("Got SCSI Command, ITT: 0x%08x, CmdSN: 0x%08x," " ExpXferLen: %u, Length: %u, CID: %hu\n", hdr->itt, @@ -1028,7 +1025,7 @@ attach_cmd: 1, 0, buf, cmd); } - iscsit_ack_from_expstatsn(conn, hdr->exp_statsn); + iscsit_ack_from_expstatsn(conn, be32_to_cpu(hdr->exp_statsn)); /* * If no Immediate Data is attached, it's OK to return now. @@ -1194,11 +1191,6 @@ static int iscsit_handle_data_out(struct iscsi_conn *conn, unsigned char *buf) hdr = (struct iscsi_data *) buf; payload_length = ntoh24(hdr->dlength); - hdr->itt = be32_to_cpu(hdr->itt); - hdr->ttt = be32_to_cpu(hdr->ttt); - hdr->exp_statsn = be32_to_cpu(hdr->exp_statsn); - hdr->datasn = be32_to_cpu(hdr->datasn); - hdr->offset = be32_to_cpu(hdr->offset); if (!payload_length) { pr_err("DataOUT payload is ZERO, protocol error.\n"); @@ -1216,10 +1208,10 @@ static int iscsit_handle_data_out(struct iscsi_conn *conn, unsigned char *buf) } spin_unlock_bh(&conn->sess->session_stats_lock); - if (payload_length > conn->conn_ops->MaxRecvDataSegmentLength) { + if (payload_length > conn->conn_ops->MaxXmitDataSegmentLength) { pr_err("DataSegmentLength: %u is greater than" - " MaxRecvDataSegmentLength: %u\n", payload_length, - conn->conn_ops->MaxRecvDataSegmentLength); + " MaxXmitDataSegmentLength: %u\n", payload_length, + conn->conn_ops->MaxXmitDataSegmentLength); return iscsit_add_reject(ISCSI_REASON_PROTOCOL_ERROR, 1, buf, conn); } @@ -1250,7 +1242,7 @@ static int iscsit_handle_data_out(struct iscsi_conn *conn, unsigned char *buf) se_cmd = &cmd->se_cmd; iscsit_mod_dataout_timer(cmd); - if ((hdr->offset + payload_length) > cmd->se_cmd.data_length) { + if ((be32_to_cpu(hdr->offset) + payload_length) > cmd->se_cmd.data_length) { pr_err("DataOut Offset: %u, Length %u greater than" " iSCSI Command EDTL %u, protocol error.\n", hdr->offset, payload_length, cmd->se_cmd.data_length); @@ -1333,7 +1325,8 @@ static int iscsit_handle_data_out(struct iscsi_conn *conn, unsigned char *buf) rx_size += payload_length; iov = &cmd->iov_data[0]; - iov_ret = iscsit_map_iovec(cmd, iov, hdr->offset, payload_length); + iov_ret = iscsit_map_iovec(cmd, iov, be32_to_cpu(hdr->offset), + payload_length); if (iov_ret < 0) return -1; @@ -1364,7 +1357,8 @@ static int iscsit_handle_data_out(struct iscsi_conn *conn, unsigned char *buf) u32 data_crc; data_crc = iscsit_do_crypto_hash_sg(&conn->conn_rx_hash, cmd, - hdr->offset, payload_length, padding, + be32_to_cpu(hdr->offset), + payload_length, padding, cmd->pad_bytes); if (checksum != data_crc) { @@ -1425,30 +1419,26 @@ static int iscsit_handle_nop_out( hdr = (struct iscsi_nopout *) buf; payload_length = ntoh24(hdr->dlength); - hdr->itt = be32_to_cpu(hdr->itt); - hdr->ttt = be32_to_cpu(hdr->ttt); - hdr->cmdsn = be32_to_cpu(hdr->cmdsn); - hdr->exp_statsn = be32_to_cpu(hdr->exp_statsn); - if ((hdr->itt == 0xFFFFFFFF) && !(hdr->opcode & ISCSI_OP_IMMEDIATE)) { + if (hdr->itt == RESERVED_ITT && !(hdr->opcode & ISCSI_OP_IMMEDIATE)) { pr_err("NOPOUT ITT is reserved, but Immediate Bit is" " not set, protocol error.\n"); return iscsit_add_reject(ISCSI_REASON_PROTOCOL_ERROR, 1, buf, conn); } - if (payload_length > conn->conn_ops->MaxRecvDataSegmentLength) { + if (payload_length > conn->conn_ops->MaxXmitDataSegmentLength) { pr_err("NOPOUT Ping Data DataSegmentLength: %u is" - " greater than MaxRecvDataSegmentLength: %u, protocol" + " greater than MaxXmitDataSegmentLength: %u, protocol" " error.\n", payload_length, - conn->conn_ops->MaxRecvDataSegmentLength); + conn->conn_ops->MaxXmitDataSegmentLength); return iscsit_add_reject(ISCSI_REASON_PROTOCOL_ERROR, 1, buf, conn); } pr_debug("Got NOPOUT Ping %s ITT: 0x%08x, TTT: 0x%09x," " CmdSN: 0x%08x, ExpStatSN: 0x%08x, Length: %u\n", - (hdr->itt == 0xFFFFFFFF) ? "Response" : "Request", + hdr->itt == RESERVED_ITT ? "Response" : "Request", hdr->itt, hdr->ttt, hdr->cmdsn, hdr->exp_statsn, payload_length); /* @@ -1458,7 +1448,7 @@ static int iscsit_handle_nop_out( * Either way, make sure we allocate an struct iscsi_cmd, as both * can contain ping data. */ - if (hdr->ttt == 0xFFFFFFFF) { + if (hdr->ttt == cpu_to_be32(0xFFFFFFFF)) { cmd = iscsit_allocate_cmd(conn, GFP_KERNEL); if (!cmd) return iscsit_add_reject( @@ -1471,12 +1461,12 @@ static int iscsit_handle_nop_out( 1 : 0); conn->sess->init_task_tag = cmd->init_task_tag = hdr->itt; cmd->targ_xfer_tag = 0xFFFFFFFF; - cmd->cmd_sn = hdr->cmdsn; - cmd->exp_stat_sn = hdr->exp_statsn; + cmd->cmd_sn = be32_to_cpu(hdr->cmdsn); + cmd->exp_stat_sn = be32_to_cpu(hdr->exp_statsn); cmd->data_direction = DMA_NONE; } - if (payload_length && (hdr->ttt == 0xFFFFFFFF)) { + if (payload_length && hdr->ttt == cpu_to_be32(0xFFFFFFFF)) { rx_size = payload_length; ping_data = kzalloc(payload_length + 1, GFP_KERNEL); if (!ping_data) { @@ -1556,7 +1546,7 @@ static int iscsit_handle_nop_out( pr_debug("Ping Data: \"%s\"\n", ping_data); } - if (hdr->itt != 0xFFFFFFFF) { + if (hdr->itt != RESERVED_ITT) { if (!cmd) { pr_err("Checking CmdSN for NOPOUT," " but cmd is NULL!\n"); @@ -1569,7 +1559,7 @@ static int iscsit_handle_nop_out( list_add_tail(&cmd->i_conn_node, &conn->conn_cmd_list); spin_unlock_bh(&conn->cmd_lock); - iscsit_ack_from_expstatsn(conn, hdr->exp_statsn); + iscsit_ack_from_expstatsn(conn, be32_to_cpu(hdr->exp_statsn)); if (hdr->opcode & ISCSI_OP_IMMEDIATE) { iscsit_add_cmd_to_response_queue(cmd, conn, @@ -1590,11 +1580,11 @@ static int iscsit_handle_nop_out( return 0; } - if (hdr->ttt != 0xFFFFFFFF) { + if (hdr->ttt != cpu_to_be32(0xFFFFFFFF)) { /* * This was a response to a unsolicited NOPIN ping. */ - cmd = iscsit_find_cmd_from_ttt(conn, hdr->ttt); + cmd = iscsit_find_cmd_from_ttt(conn, be32_to_cpu(hdr->ttt)); if (!cmd) return -1; @@ -1639,12 +1629,6 @@ static int iscsit_handle_task_mgt_cmd( u8 function; hdr = (struct iscsi_tm *) buf; - hdr->itt = be32_to_cpu(hdr->itt); - hdr->rtt = be32_to_cpu(hdr->rtt); - hdr->cmdsn = be32_to_cpu(hdr->cmdsn); - hdr->exp_statsn = be32_to_cpu(hdr->exp_statsn); - hdr->refcmdsn = be32_to_cpu(hdr->refcmdsn); - hdr->exp_datasn = be32_to_cpu(hdr->exp_datasn); hdr->flags &= ~ISCSI_FLAG_CMD_FINAL; function = hdr->flags; @@ -1655,9 +1639,9 @@ static int iscsit_handle_task_mgt_cmd( if ((function != ISCSI_TM_FUNC_ABORT_TASK) && ((function != ISCSI_TM_FUNC_TASK_REASSIGN) && - (hdr->rtt != ISCSI_RESERVED_TAG))) { + hdr->rtt != RESERVED_ITT)) { pr_err("RefTaskTag should be set to 0xFFFFFFFF.\n"); - hdr->rtt = ISCSI_RESERVED_TAG; + hdr->rtt = RESERVED_ITT; } if ((function == ISCSI_TM_FUNC_TASK_REASSIGN) && @@ -1669,8 +1653,8 @@ static int iscsit_handle_task_mgt_cmd( buf, conn); } if ((function != ISCSI_TM_FUNC_ABORT_TASK) && - (hdr->refcmdsn != ISCSI_RESERVED_TAG)) - hdr->refcmdsn = ISCSI_RESERVED_TAG; + be32_to_cpu(hdr->refcmdsn) != ISCSI_RESERVED_TAG) + hdr->refcmdsn = cpu_to_be32(ISCSI_RESERVED_TAG); cmd = iscsit_allocate_cmd(conn, GFP_KERNEL); if (!cmd) @@ -1700,7 +1684,7 @@ static int iscsit_handle_task_mgt_cmd( transport_init_se_cmd(&cmd->se_cmd, &lio_target_fabric_configfs->tf_ops, conn->sess->se_sess, 0, DMA_NONE, - MSG_SIMPLE_TAG, &cmd->sense_buffer[0]); + MSG_SIMPLE_TAG, cmd->sense_buffer + 2); switch (function) { case ISCSI_TM_FUNC_ABORT_TASK: @@ -1747,8 +1731,8 @@ static int iscsit_handle_task_mgt_cmd( cmd->immediate_cmd = ((hdr->opcode & ISCSI_OP_IMMEDIATE) ? 1 : 0); cmd->init_task_tag = hdr->itt; cmd->targ_xfer_tag = 0xFFFFFFFF; - cmd->cmd_sn = hdr->cmdsn; - cmd->exp_stat_sn = hdr->exp_statsn; + cmd->cmd_sn = be32_to_cpu(hdr->cmdsn); + cmd->exp_stat_sn = be32_to_cpu(hdr->exp_statsn); se_tmr = cmd->se_cmd.se_tmr_req; tmr_req = cmd->tmr_req; /* @@ -1832,7 +1816,7 @@ attach: ISCSI_REASON_PROTOCOL_ERROR, 1, 0, buf, cmd); } - iscsit_ack_from_expstatsn(conn, hdr->exp_statsn); + iscsit_ack_from_expstatsn(conn, be32_to_cpu(hdr->exp_statsn)); if (out_of_order_cmdsn || !(hdr->opcode & ISCSI_OP_IMMEDIATE)) return 0; @@ -1869,15 +1853,11 @@ static int iscsit_handle_text_cmd( hdr = (struct iscsi_text *) buf; payload_length = ntoh24(hdr->dlength); - hdr->itt = be32_to_cpu(hdr->itt); - hdr->ttt = be32_to_cpu(hdr->ttt); - hdr->cmdsn = be32_to_cpu(hdr->cmdsn); - hdr->exp_statsn = be32_to_cpu(hdr->exp_statsn); - if (payload_length > conn->conn_ops->MaxRecvDataSegmentLength) { + if (payload_length > conn->conn_ops->MaxXmitDataSegmentLength) { pr_err("Unable to accept text parameter length: %u" - "greater than MaxRecvDataSegmentLength %u.\n", - payload_length, conn->conn_ops->MaxRecvDataSegmentLength); + "greater than MaxXmitDataSegmentLength %u.\n", + payload_length, conn->conn_ops->MaxXmitDataSegmentLength); return iscsit_add_reject(ISCSI_REASON_PROTOCOL_ERROR, 1, buf, conn); } @@ -1989,15 +1969,15 @@ static int iscsit_handle_text_cmd( cmd->immediate_cmd = ((hdr->opcode & ISCSI_OP_IMMEDIATE) ? 1 : 0); conn->sess->init_task_tag = cmd->init_task_tag = hdr->itt; cmd->targ_xfer_tag = 0xFFFFFFFF; - cmd->cmd_sn = hdr->cmdsn; - cmd->exp_stat_sn = hdr->exp_statsn; + cmd->cmd_sn = be32_to_cpu(hdr->cmdsn); + cmd->exp_stat_sn = be32_to_cpu(hdr->exp_statsn); cmd->data_direction = DMA_NONE; spin_lock_bh(&conn->cmd_lock); list_add_tail(&cmd->i_conn_node, &conn->conn_cmd_list); spin_unlock_bh(&conn->cmd_lock); - iscsit_ack_from_expstatsn(conn, hdr->exp_statsn); + iscsit_ack_from_expstatsn(conn, be32_to_cpu(hdr->exp_statsn)); if (!(hdr->opcode & ISCSI_OP_IMMEDIATE)) { cmdsn_ret = iscsit_sequence_cmd(conn, cmd, hdr->cmdsn); @@ -2131,10 +2111,6 @@ static int iscsit_handle_logout_cmd( hdr = (struct iscsi_logout *) buf; reason_code = (hdr->flags & 0x7f); - hdr->itt = be32_to_cpu(hdr->itt); - hdr->cid = be16_to_cpu(hdr->cid); - hdr->cmdsn = be32_to_cpu(hdr->cmdsn); - hdr->exp_statsn = be32_to_cpu(hdr->exp_statsn); if (tiqn) { spin_lock(&tiqn->logout_stats.lock); @@ -2166,9 +2142,9 @@ static int iscsit_handle_logout_cmd( cmd->immediate_cmd = ((hdr->opcode & ISCSI_OP_IMMEDIATE) ? 1 : 0); conn->sess->init_task_tag = cmd->init_task_tag = hdr->itt; cmd->targ_xfer_tag = 0xFFFFFFFF; - cmd->cmd_sn = hdr->cmdsn; - cmd->exp_stat_sn = hdr->exp_statsn; - cmd->logout_cid = hdr->cid; + cmd->cmd_sn = be32_to_cpu(hdr->cmdsn); + cmd->exp_stat_sn = be32_to_cpu(hdr->exp_statsn); + cmd->logout_cid = be16_to_cpu(hdr->cid); cmd->logout_reason = reason_code; cmd->data_direction = DMA_NONE; @@ -2178,7 +2154,7 @@ static int iscsit_handle_logout_cmd( */ if ((reason_code == ISCSI_LOGOUT_REASON_CLOSE_SESSION) || ((reason_code == ISCSI_LOGOUT_REASON_CLOSE_CONNECTION) && - (hdr->cid == conn->cid))) + be16_to_cpu(hdr->cid) == conn->cid)) logout_remove = 1; spin_lock_bh(&conn->cmd_lock); @@ -2186,7 +2162,7 @@ static int iscsit_handle_logout_cmd( spin_unlock_bh(&conn->cmd_lock); if (reason_code != ISCSI_LOGOUT_REASON_RECOVERY) - iscsit_ack_from_expstatsn(conn, hdr->exp_statsn); + iscsit_ack_from_expstatsn(conn, be32_to_cpu(hdr->exp_statsn)); /* * Immediate commands are executed, well, immediately. @@ -2219,11 +2195,6 @@ static int iscsit_handle_snack( hdr = (struct iscsi_snack *) buf; hdr->flags &= ~ISCSI_FLAG_CMD_FINAL; - hdr->itt = be32_to_cpu(hdr->itt); - hdr->ttt = be32_to_cpu(hdr->ttt); - hdr->exp_statsn = be32_to_cpu(hdr->exp_statsn); - hdr->begrun = be32_to_cpu(hdr->begrun); - hdr->runlength = be32_to_cpu(hdr->runlength); pr_debug("Got ISCSI_INIT_SNACK, ITT: 0x%08x, ExpStatSN:" " 0x%08x, Type: 0x%02x, BegRun: 0x%08x, RunLength: 0x%08x," @@ -2243,13 +2214,18 @@ static int iscsit_handle_snack( switch (hdr->flags & ISCSI_FLAG_SNACK_TYPE_MASK) { case 0: return iscsit_handle_recovery_datain_or_r2t(conn, buf, - hdr->itt, hdr->ttt, hdr->begrun, hdr->runlength); + hdr->itt, + be32_to_cpu(hdr->ttt), + be32_to_cpu(hdr->begrun), + be32_to_cpu(hdr->runlength)); case ISCSI_FLAG_SNACK_TYPE_STATUS: - return iscsit_handle_status_snack(conn, hdr->itt, hdr->ttt, - hdr->begrun, hdr->runlength); + return iscsit_handle_status_snack(conn, hdr->itt, + be32_to_cpu(hdr->ttt), + be32_to_cpu(hdr->begrun), be32_to_cpu(hdr->runlength)); case ISCSI_FLAG_SNACK_TYPE_DATA_ACK: - return iscsit_handle_data_ack(conn, hdr->ttt, hdr->begrun, - hdr->runlength); + return iscsit_handle_data_ack(conn, be32_to_cpu(hdr->ttt), + be32_to_cpu(hdr->begrun), + be32_to_cpu(hdr->runlength)); case ISCSI_FLAG_SNACK_TYPE_RDATA: /* FIXME: Support R-Data SNACK */ pr_err("R-Data SNACK Not Supported.\n"); @@ -2414,7 +2390,7 @@ static int iscsit_send_conn_drop_async_message( hdr = (struct iscsi_async *) cmd->pdu; hdr->opcode = ISCSI_OP_ASYNC_EVENT; hdr->flags = ISCSI_FLAG_CMD_FINAL; - cmd->init_task_tag = 0xFFFFFFFF; + cmd->init_task_tag = RESERVED_ITT; cmd->targ_xfer_tag = 0xFFFFFFFF; put_unaligned_be64(0xFFFFFFFFFFFFFFFFULL, &hdr->rsvd4[0]); cmd->stat_sn = conn->stat_sn++; @@ -2536,12 +2512,17 @@ static int iscsit_send_data_in( else put_unaligned_le64(0xFFFFFFFFFFFFFFFFULL, &hdr->lun); - hdr->itt = cpu_to_be32(cmd->init_task_tag); - hdr->ttt = (hdr->flags & ISCSI_FLAG_DATA_ACK) ? - cpu_to_be32(cmd->targ_xfer_tag) : - 0xFFFFFFFF; - hdr->statsn = (set_statsn) ? cpu_to_be32(cmd->stat_sn) : - 0xFFFFFFFF; + hdr->itt = cmd->init_task_tag; + + if (hdr->flags & ISCSI_FLAG_DATA_ACK) + hdr->ttt = cpu_to_be32(cmd->targ_xfer_tag); + else + hdr->ttt = cpu_to_be32(0xFFFFFFFF); + if (set_statsn) + hdr->statsn = cpu_to_be32(cmd->stat_sn); + else + hdr->statsn = cpu_to_be32(0xFFFFFFFF); + hdr->exp_cmdsn = cpu_to_be32(conn->sess->exp_cmd_sn); hdr->max_cmdsn = cpu_to_be32(conn->sess->max_cmd_sn); hdr->datasn = cpu_to_be32(datain.data_sn); @@ -2708,7 +2689,7 @@ static int iscsit_send_logout_response( hdr->opcode = ISCSI_OP_LOGOUT_RSP; hdr->flags |= ISCSI_FLAG_CMD_FINAL; hdr->response = cmd->logout_response; - hdr->itt = cpu_to_be32(cmd->init_task_tag); + hdr->itt = cmd->init_task_tag; cmd->stat_sn = conn->stat_sn++; hdr->statsn = cpu_to_be32(cmd->stat_sn); @@ -2759,7 +2740,7 @@ static int iscsit_send_unsolicited_nopin( memset(hdr, 0, ISCSI_HDR_LEN); hdr->opcode = ISCSI_OP_NOOP_IN; hdr->flags |= ISCSI_FLAG_CMD_FINAL; - hdr->itt = cpu_to_be32(cmd->init_task_tag); + hdr->itt = cmd->init_task_tag; hdr->ttt = cpu_to_be32(cmd->targ_xfer_tag); cmd->stat_sn = conn->stat_sn; hdr->statsn = cpu_to_be32(cmd->stat_sn); @@ -2816,7 +2797,7 @@ static int iscsit_send_nopin_response( hdr->flags |= ISCSI_FLAG_CMD_FINAL; hton24(hdr->dlength, cmd->buf_ptr_size); put_unaligned_le64(0xFFFFFFFFFFFFFFFFULL, &hdr->lun); - hdr->itt = cpu_to_be32(cmd->init_task_tag); + hdr->itt = cmd->init_task_tag; hdr->ttt = cpu_to_be32(cmd->targ_xfer_tag); cmd->stat_sn = conn->stat_sn++; hdr->statsn = cpu_to_be32(cmd->stat_sn); @@ -2906,7 +2887,7 @@ static int iscsit_send_r2t( hdr->flags |= ISCSI_FLAG_CMD_FINAL; int_to_scsilun(cmd->se_cmd.orig_fe_lun, (struct scsi_lun *)&hdr->lun); - hdr->itt = cpu_to_be32(cmd->init_task_tag); + hdr->itt = cmd->init_task_tag; spin_lock_bh(&conn->sess->ttt_lock); r2t->targ_xfer_tag = conn->sess->targ_xfer_tag++; if (r2t->targ_xfer_tag == 0xFFFFFFFF) @@ -3074,7 +3055,7 @@ static int iscsit_send_status( } hdr->response = cmd->iscsi_response; hdr->cmd_status = cmd->se_cmd.scsi_status; - hdr->itt = cpu_to_be32(cmd->init_task_tag); + hdr->itt = cmd->init_task_tag; hdr->statsn = cpu_to_be32(cmd->stat_sn); iscsit_increment_maxcmdsn(cmd, conn->sess); @@ -3092,15 +3073,18 @@ static int iscsit_send_status( if (cmd->se_cmd.sense_buffer && ((cmd->se_cmd.se_cmd_flags & SCF_TRANSPORT_TASK_SENSE) || (cmd->se_cmd.se_cmd_flags & SCF_EMULATED_TASK_SENSE))) { + put_unaligned_be16(cmd->se_cmd.scsi_sense_length, cmd->sense_buffer); + cmd->se_cmd.scsi_sense_length += sizeof (__be16); + padding = -(cmd->se_cmd.scsi_sense_length) & 3; - hton24(hdr->dlength, cmd->se_cmd.scsi_sense_length); - iov[iov_count].iov_base = cmd->se_cmd.sense_buffer; + hton24(hdr->dlength, (u32)cmd->se_cmd.scsi_sense_length); + iov[iov_count].iov_base = cmd->sense_buffer; iov[iov_count++].iov_len = (cmd->se_cmd.scsi_sense_length + padding); tx_size += cmd->se_cmd.scsi_sense_length; if (padding) { - memset(cmd->se_cmd.sense_buffer + + memset(cmd->sense_buffer + cmd->se_cmd.scsi_sense_length, 0, padding); tx_size += padding; pr_debug("Adding %u bytes of padding to" @@ -3109,7 +3093,7 @@ static int iscsit_send_status( if (conn->conn_ops->DataDigest) { iscsit_do_crypto_hash_buf(&conn->conn_tx_hash, - cmd->se_cmd.sense_buffer, + cmd->sense_buffer, (cmd->se_cmd.scsi_sense_length + padding), 0, NULL, (u8 *)&cmd->data_crc); @@ -3184,7 +3168,7 @@ static int iscsit_send_task_mgt_rsp( hdr->opcode = ISCSI_OP_SCSI_TMFUNC_RSP; hdr->flags = ISCSI_FLAG_CMD_FINAL; hdr->response = iscsit_convert_tcm_tmr_rsp(se_tmr); - hdr->itt = cpu_to_be32(cmd->init_task_tag); + hdr->itt = cmd->init_task_tag; cmd->stat_sn = conn->stat_sn++; hdr->statsn = cpu_to_be32(cmd->stat_sn); @@ -3236,7 +3220,7 @@ static bool iscsit_check_inaddr_any(struct iscsi_np *np) struct sockaddr_in * sock_in = (struct sockaddr_in *)&np->np_sockaddr; - if (sock_in->sin_addr.s_addr == INADDR_ANY) + if (sock_in->sin_addr.s_addr == htonl(INADDR_ANY)) ret = true; } @@ -3271,7 +3255,6 @@ static int iscsit_build_sendtargets_response(struct iscsi_cmd *cmd) len += 1; if ((len + payload_len) > buffer_len) { - spin_unlock(&tiqn->tiqn_tpg_lock); end_of_buf = 1; goto eob; } @@ -3358,7 +3341,7 @@ static int iscsit_send_text_rsp( hdr->opcode = ISCSI_OP_TEXT_RSP; hdr->flags |= ISCSI_FLAG_CMD_FINAL; hton24(hdr->dlength, text_length); - hdr->itt = cpu_to_be32(cmd->init_task_tag); + hdr->itt = cmd->init_task_tag; hdr->ttt = cpu_to_be32(cmd->targ_xfer_tag); cmd->stat_sn = conn->stat_sn++; hdr->statsn = cpu_to_be32(cmd->stat_sn); @@ -3424,6 +3407,7 @@ static int iscsit_send_reject( hdr->opcode = ISCSI_OP_REJECT; hdr->flags |= ISCSI_FLAG_CMD_FINAL; hton24(hdr->dlength, ISCSI_HDR_LEN); + hdr->ffffffff = cpu_to_be32(0xffffffff); cmd->stat_sn = conn->stat_sn++; hdr->statsn = cpu_to_be32(cmd->stat_sn); hdr->exp_cmdsn = cpu_to_be32(conn->sess->exp_cmd_sn); diff --git a/drivers/target/iscsi/iscsi_target.h b/drivers/target/iscsi/iscsi_target.h index 12abb4c9e34e..f1e4f3155bac 100644 --- a/drivers/target/iscsi/iscsi_target.h +++ b/drivers/target/iscsi/iscsi_target.h @@ -38,4 +38,9 @@ extern struct kmem_cache *lio_cmd_cache; extern struct kmem_cache *lio_qr_cache; extern struct kmem_cache *lio_r2t_cache; +extern struct idr sess_idr; +extern struct mutex auth_id_lock; +extern spinlock_t sess_idr_lock; + + #endif /*** ISCSI_TARGET_H ***/ diff --git a/drivers/target/iscsi/iscsi_target_configfs.c b/drivers/target/iscsi/iscsi_target_configfs.c index a7b25e783b58..ff6fd4fb624d 100644 --- a/drivers/target/iscsi/iscsi_target_configfs.c +++ b/drivers/target/iscsi/iscsi_target_configfs.c @@ -135,7 +135,7 @@ static struct configfs_attribute *lio_target_portal_attrs[] = { #define MAX_PORTAL_LEN 256 -struct se_tpg_np *lio_target_call_addnptotpg( +static struct se_tpg_np *lio_target_call_addnptotpg( struct se_portal_group *se_tpg, struct config_group *group, const char *name) @@ -1034,6 +1034,9 @@ TPG_PARAM_ATTR(ImmediateData, S_IRUGO | S_IWUSR); DEF_TPG_PARAM(MaxRecvDataSegmentLength); TPG_PARAM_ATTR(MaxRecvDataSegmentLength, S_IRUGO | S_IWUSR); +DEF_TPG_PARAM(MaxXmitDataSegmentLength); +TPG_PARAM_ATTR(MaxXmitDataSegmentLength, S_IRUGO | S_IWUSR); + DEF_TPG_PARAM(MaxBurstLength); TPG_PARAM_ATTR(MaxBurstLength, S_IRUGO | S_IWUSR); @@ -1079,6 +1082,7 @@ static struct configfs_attribute *lio_target_tpg_param_attrs[] = { &iscsi_tpg_param_InitialR2T.attr, &iscsi_tpg_param_ImmediateData.attr, &iscsi_tpg_param_MaxRecvDataSegmentLength.attr, + &iscsi_tpg_param_MaxXmitDataSegmentLength.attr, &iscsi_tpg_param_MaxBurstLength.attr, &iscsi_tpg_param_FirstBurstLength.attr, &iscsi_tpg_param_DefaultTime2Wait.attr, @@ -1166,7 +1170,7 @@ static struct configfs_attribute *lio_target_tpg_attrs[] = { /* Start items for lio_target_tiqn_cit */ -struct se_portal_group *lio_target_tiqn_addtpg( +static struct se_portal_group *lio_target_tiqn_addtpg( struct se_wwn *wwn, struct config_group *group, const char *name) @@ -1216,7 +1220,7 @@ out: return NULL; } -void lio_target_tiqn_deltpg(struct se_portal_group *se_tpg) +static void lio_target_tiqn_deltpg(struct se_portal_group *se_tpg) { struct iscsi_portal_group *tpg; struct iscsi_tiqn *tiqn; @@ -1248,7 +1252,7 @@ static struct configfs_attribute *lio_target_wwn_attrs[] = { NULL, }; -struct se_wwn *lio_target_call_coreaddtiqn( +static struct se_wwn *lio_target_call_coreaddtiqn( struct target_fabric_configfs *tf, struct config_group *group, const char *name) @@ -1296,7 +1300,7 @@ struct se_wwn *lio_target_call_coreaddtiqn( return &tiqn->tiqn_wwn; } -void lio_target_call_coredeltiqn( +static void lio_target_call_coredeltiqn( struct se_wwn *wwn) { struct iscsi_tiqn *tiqn = container_of(wwn, struct iscsi_tiqn, tiqn_wwn); @@ -1471,7 +1475,8 @@ static u32 iscsi_get_task_tag(struct se_cmd *se_cmd) { struct iscsi_cmd *cmd = container_of(se_cmd, struct iscsi_cmd, se_cmd); - return cmd->init_task_tag; + /* only used for printks or comparism with ->ref_task_tag */ + return (__force u32)cmd->init_task_tag; } static int iscsi_get_cmd_state(struct se_cmd *se_cmd) @@ -1542,29 +1547,6 @@ static int lio_queue_status(struct se_cmd *se_cmd) return 0; } -static u16 lio_set_fabric_sense_len(struct se_cmd *se_cmd, u32 sense_length) -{ - unsigned char *buffer = se_cmd->sense_buffer; - /* - * From RFC-3720 10.4.7. Data Segment - Sense and Response Data Segment - * 16-bit SenseLength. - */ - buffer[0] = ((sense_length >> 8) & 0xff); - buffer[1] = (sense_length & 0xff); - /* - * Return two byte offset into allocated sense_buffer. - */ - return 2; -} - -static u16 lio_get_fabric_sense_len(void) -{ - /* - * Return two byte offset into allocated sense_buffer. - */ - return 2; -} - static int lio_queue_tm_rsp(struct se_cmd *se_cmd) { struct iscsi_cmd *cmd = container_of(se_cmd, struct iscsi_cmd, se_cmd); @@ -1748,8 +1730,6 @@ int iscsi_target_register_configfs(void) fabric->tf_ops.queue_data_in = &lio_queue_data_in; fabric->tf_ops.queue_status = &lio_queue_status; fabric->tf_ops.queue_tm_rsp = &lio_queue_tm_rsp; - fabric->tf_ops.set_fabric_sense_len = &lio_set_fabric_sense_len; - fabric->tf_ops.get_fabric_sense_len = &lio_get_fabric_sense_len; /* * Setup function pointers for generic logic in target_core_fabric_configfs.c */ diff --git a/drivers/target/iscsi/iscsi_target_core.h b/drivers/target/iscsi/iscsi_target_core.h index 8a908b28d8b2..2ba9f9b9435c 100644 --- a/drivers/target/iscsi/iscsi_target_core.h +++ b/drivers/target/iscsi/iscsi_target_core.h @@ -25,10 +25,10 @@ #define NA_DATAOUT_TIMEOUT_RETRIES 5 #define NA_DATAOUT_TIMEOUT_RETRIES_MAX 15 #define NA_DATAOUT_TIMEOUT_RETRIES_MIN 1 -#define NA_NOPIN_TIMEOUT 5 +#define NA_NOPIN_TIMEOUT 15 #define NA_NOPIN_TIMEOUT_MAX 60 #define NA_NOPIN_TIMEOUT_MIN 3 -#define NA_NOPIN_RESPONSE_TIMEOUT 5 +#define NA_NOPIN_RESPONSE_TIMEOUT 30 #define NA_NOPIN_RESPONSE_TIMEOUT_MAX 60 #define NA_NOPIN_RESPONSE_TIMEOUT_MIN 3 #define NA_RANDOM_DATAIN_PDU_OFFSETS 0 @@ -239,6 +239,7 @@ struct iscsi_conn_ops { u8 HeaderDigest; /* [0,1] == [None,CRC32C] */ u8 DataDigest; /* [0,1] == [None,CRC32C] */ u32 MaxRecvDataSegmentLength; /* [512..2**24-1] */ + u32 MaxXmitDataSegmentLength; /* [512..2**24-1] */ u8 OFMarker; /* [0,1] == [No,Yes] */ u8 IFMarker; /* [0,1] == [No,Yes] */ u32 OFMarkInt; /* [1..65535] */ @@ -360,7 +361,7 @@ struct iscsi_cmd { /* Command flags */ enum cmd_flags_table cmd_flags; /* Initiator Task Tag assigned from Initiator */ - u32 init_task_tag; + itt_t init_task_tag; /* Target Transfer Tag assigned from Target */ u32 targ_xfer_tag; /* CmdSN assigned from Initiator */ @@ -478,7 +479,6 @@ struct iscsi_cmd { struct iscsi_tmr_req { bool task_reassign:1; - u32 ref_cmd_sn; u32 exp_data_sn; struct iscsi_cmd *ref_cmd; struct iscsi_conn_recovery *conn_recovery; @@ -505,7 +505,7 @@ struct iscsi_conn { u32 auth_id; u32 conn_flags; /* Used for iscsi_tx_login_rsp() */ - u32 login_itt; + itt_t login_itt; u32 exp_statsn; /* Per connection status sequence number */ u32 stat_sn; @@ -578,6 +578,7 @@ struct iscsi_conn_recovery { u16 cid; u32 cmd_count; u32 maxrecvdatasegmentlength; + u32 maxxmitdatasegmentlength; int ready_for_reallegiance; struct list_head conn_recovery_cmd_list; spinlock_t conn_recovery_cmd_lock; @@ -597,7 +598,7 @@ struct iscsi_session { /* state session is currently in */ u32 session_state; /* session wide counter: initiator assigned task tag */ - u32 init_task_tag; + itt_t init_task_tag; /* session wide counter: target assigned task tag */ u32 targ_xfer_tag; u32 cmdsn_window; @@ -663,7 +664,7 @@ struct iscsi_login { u8 version_max; char isid[6]; u32 cmd_sn; - u32 init_task_tag; + itt_t init_task_tag; u32 initial_exp_statsn; u32 rsp_length; u16 cid; diff --git a/drivers/target/iscsi/iscsi_target_erl0.c b/drivers/target/iscsi/iscsi_target_erl0.c index 1a02016ecdab..8aacf611b86d 100644 --- a/drivers/target/iscsi/iscsi_target_erl0.c +++ b/drivers/target/iscsi/iscsi_target_erl0.c @@ -48,9 +48,9 @@ void iscsit_set_dataout_sequence_values( if (cmd->unsolicited_data) { cmd->seq_start_offset = cmd->write_data_done; cmd->seq_end_offset = (cmd->write_data_done + - (cmd->se_cmd.data_length > - conn->sess->sess_ops->FirstBurstLength) ? - conn->sess->sess_ops->FirstBurstLength : cmd->se_cmd.data_length); + ((cmd->se_cmd.data_length > + conn->sess->sess_ops->FirstBurstLength) ? + conn->sess->sess_ops->FirstBurstLength : cmd->se_cmd.data_length)); return; } @@ -95,14 +95,15 @@ static int iscsit_dataout_within_command_recovery_check( */ if (conn->sess->sess_ops->DataSequenceInOrder) { if ((cmd->cmd_flags & ICF_WITHIN_COMMAND_RECOVERY) && - (cmd->write_data_done != hdr->offset)) + cmd->write_data_done != be32_to_cpu(hdr->offset)) goto dump; cmd->cmd_flags &= ~ICF_WITHIN_COMMAND_RECOVERY; } else { struct iscsi_seq *seq; - seq = iscsit_get_seq_holder(cmd, hdr->offset, payload_length); + seq = iscsit_get_seq_holder(cmd, be32_to_cpu(hdr->offset), + payload_length); if (!seq) return DATAOUT_CANNOT_RECOVER; /* @@ -111,15 +112,15 @@ static int iscsit_dataout_within_command_recovery_check( cmd->seq_ptr = seq; if (conn->sess->sess_ops->DataPDUInOrder) { - if ((seq->status == - DATAOUT_SEQUENCE_WITHIN_COMMAND_RECOVERY) && - ((seq->offset != hdr->offset) || - (seq->data_sn != hdr->datasn))) + if (seq->status == + DATAOUT_SEQUENCE_WITHIN_COMMAND_RECOVERY && + (seq->offset != be32_to_cpu(hdr->offset) || + seq->data_sn != be32_to_cpu(hdr->datasn))) goto dump; } else { - if ((seq->status == - DATAOUT_SEQUENCE_WITHIN_COMMAND_RECOVERY) && - (seq->data_sn != hdr->datasn)) + if (seq->status == + DATAOUT_SEQUENCE_WITHIN_COMMAND_RECOVERY && + seq->data_sn != be32_to_cpu(hdr->datasn)) goto dump; } @@ -148,12 +149,12 @@ static int iscsit_dataout_check_unsolicited_sequence( u32 payload_length = ntoh24(hdr->dlength); - if ((hdr->offset < cmd->seq_start_offset) || - ((hdr->offset + payload_length) > cmd->seq_end_offset)) { + if ((be32_to_cpu(hdr->offset) < cmd->seq_start_offset) || + ((be32_to_cpu(hdr->offset) + payload_length) > cmd->seq_end_offset)) { pr_err("Command ITT: 0x%08x with Offset: %u," " Length: %u outside of Unsolicited Sequence %u:%u while" " DataSequenceInOrder=Yes.\n", cmd->init_task_tag, - hdr->offset, payload_length, cmd->seq_start_offset, + be32_to_cpu(hdr->offset), payload_length, cmd->seq_start_offset, cmd->seq_end_offset); return DATAOUT_CANNOT_RECOVER; } @@ -236,12 +237,12 @@ static int iscsit_dataout_check_sequence( * fullfilling an Recovery R2T, it's best to just dump the * payload here, instead of erroring out. */ - if ((hdr->offset < cmd->seq_start_offset) || - ((hdr->offset + payload_length) > cmd->seq_end_offset)) { + if ((be32_to_cpu(hdr->offset) < cmd->seq_start_offset) || + ((be32_to_cpu(hdr->offset) + payload_length) > cmd->seq_end_offset)) { pr_err("Command ITT: 0x%08x with Offset: %u," " Length: %u outside of Sequence %u:%u while" " DataSequenceInOrder=Yes.\n", cmd->init_task_tag, - hdr->offset, payload_length, cmd->seq_start_offset, + be32_to_cpu(hdr->offset), payload_length, cmd->seq_start_offset, cmd->seq_end_offset); if (iscsit_dump_data_payload(conn, payload_length, 1) < 0) @@ -251,7 +252,8 @@ static int iscsit_dataout_check_sequence( next_burst_len = (cmd->next_burst_len + payload_length); } else { - seq = iscsit_get_seq_holder(cmd, hdr->offset, payload_length); + seq = iscsit_get_seq_holder(cmd, be32_to_cpu(hdr->offset), + payload_length); if (!seq) return DATAOUT_CANNOT_RECOVER; /* @@ -366,16 +368,16 @@ static int iscsit_dataout_check_datasn( data_sn = seq->data_sn; } - if (hdr->datasn > data_sn) { + if (be32_to_cpu(hdr->datasn) > data_sn) { pr_err("Command ITT: 0x%08x, received DataSN: 0x%08x" " higher than expected 0x%08x.\n", cmd->init_task_tag, - hdr->datasn, data_sn); + be32_to_cpu(hdr->datasn), data_sn); recovery = 1; goto recover; - } else if (hdr->datasn < data_sn) { + } else if (be32_to_cpu(hdr->datasn) < data_sn) { pr_err("Command ITT: 0x%08x, received DataSN: 0x%08x" " lower than expected 0x%08x, discarding payload.\n", - cmd->init_task_tag, hdr->datasn, data_sn); + cmd->init_task_tag, be32_to_cpu(hdr->datasn), data_sn); dump = 1; goto dump; } @@ -415,26 +417,27 @@ static int iscsit_dataout_pre_datapduinorder_yes( * error has occured and fail the connection. */ if (conn->sess->sess_ops->DataSequenceInOrder) { - if (hdr->offset != cmd->write_data_done) { + if (be32_to_cpu(hdr->offset) != cmd->write_data_done) { pr_err("Command ITT: 0x%08x, received offset" " %u different than expected %u.\n", cmd->init_task_tag, - hdr->offset, cmd->write_data_done); + be32_to_cpu(hdr->offset), cmd->write_data_done); recovery = 1; goto recover; } } else { struct iscsi_seq *seq = cmd->seq_ptr; - if (hdr->offset > seq->offset) { + if (be32_to_cpu(hdr->offset) > seq->offset) { pr_err("Command ITT: 0x%08x, received offset" " %u greater than expected %u.\n", cmd->init_task_tag, - hdr->offset, seq->offset); + be32_to_cpu(hdr->offset), seq->offset); recovery = 1; goto recover; - } else if (hdr->offset < seq->offset) { + } else if (be32_to_cpu(hdr->offset) < seq->offset) { pr_err("Command ITT: 0x%08x, received offset" " %u less than expected %u, discarding payload.\n", - cmd->init_task_tag, hdr->offset, seq->offset); + cmd->init_task_tag, be32_to_cpu(hdr->offset), + seq->offset); dump = 1; goto dump; } @@ -453,7 +456,7 @@ dump: return DATAOUT_CANNOT_RECOVER; return (recovery) ? iscsit_recover_dataout_sequence(cmd, - hdr->offset, payload_length) : + be32_to_cpu(hdr->offset), payload_length) : (dump) ? DATAOUT_WITHIN_COMMAND_RECOVERY : DATAOUT_NORMAL; } @@ -465,7 +468,8 @@ static int iscsit_dataout_pre_datapduinorder_no( struct iscsi_data *hdr = (struct iscsi_data *) buf; u32 payload_length = ntoh24(hdr->dlength); - pdu = iscsit_get_pdu_holder(cmd, hdr->offset, payload_length); + pdu = iscsit_get_pdu_holder(cmd, be32_to_cpu(hdr->offset), + payload_length); if (!pdu) return DATAOUT_CANNOT_RECOVER; @@ -479,7 +483,7 @@ static int iscsit_dataout_pre_datapduinorder_no( case ISCSI_PDU_RECEIVED_OK: pr_err("Command ITT: 0x%08x received already gotten" " Offset: %u, Length: %u\n", cmd->init_task_tag, - hdr->offset, payload_length); + be32_to_cpu(hdr->offset), payload_length); return iscsit_dump_data_payload(cmd->conn, payload_length, 1); default: return DATAOUT_CANNOT_RECOVER; @@ -553,7 +557,7 @@ static int iscsit_dataout_post_crc_passed( if (cmd->unsolicited_data) { if ((cmd->first_burst_len + payload_length) == conn->sess->sess_ops->FirstBurstLength) { - if (iscsit_dataout_update_r2t(cmd, hdr->offset, + if (iscsit_dataout_update_r2t(cmd, be32_to_cpu(hdr->offset), payload_length) < 0) return DATAOUT_CANNOT_RECOVER; send_r2t = 1; @@ -561,7 +565,8 @@ static int iscsit_dataout_post_crc_passed( if (!conn->sess->sess_ops->DataPDUInOrder) { ret = iscsit_dataout_update_datapduinorder_no(cmd, - hdr->datasn, (hdr->flags & ISCSI_FLAG_CMD_FINAL)); + be32_to_cpu(hdr->datasn), + (hdr->flags & ISCSI_FLAG_CMD_FINAL)); if (ret == DATAOUT_CANNOT_RECOVER) return ret; } @@ -586,7 +591,8 @@ static int iscsit_dataout_post_crc_passed( if (conn->sess->sess_ops->DataSequenceInOrder) { if ((cmd->next_burst_len + payload_length) == conn->sess->sess_ops->MaxBurstLength) { - if (iscsit_dataout_update_r2t(cmd, hdr->offset, + if (iscsit_dataout_update_r2t(cmd, + be32_to_cpu(hdr->offset), payload_length) < 0) return DATAOUT_CANNOT_RECOVER; send_r2t = 1; @@ -594,7 +600,7 @@ static int iscsit_dataout_post_crc_passed( if (!conn->sess->sess_ops->DataPDUInOrder) { ret = iscsit_dataout_update_datapduinorder_no( - cmd, hdr->datasn, + cmd, be32_to_cpu(hdr->datasn), (hdr->flags & ISCSI_FLAG_CMD_FINAL)); if (ret == DATAOUT_CANNOT_RECOVER) return ret; @@ -610,7 +616,8 @@ static int iscsit_dataout_post_crc_passed( if ((seq->next_burst_len + payload_length) == seq->xfer_len) { - if (iscsit_dataout_update_r2t(cmd, hdr->offset, + if (iscsit_dataout_update_r2t(cmd, + be32_to_cpu(hdr->offset), payload_length) < 0) return DATAOUT_CANNOT_RECOVER; send_r2t = 1; @@ -618,7 +625,7 @@ static int iscsit_dataout_post_crc_passed( if (!conn->sess->sess_ops->DataPDUInOrder) { ret = iscsit_dataout_update_datapduinorder_no( - cmd, hdr->datasn, + cmd, be32_to_cpu(hdr->datasn), (hdr->flags & ISCSI_FLAG_CMD_FINAL)); if (ret == DATAOUT_CANNOT_RECOVER) return ret; @@ -678,14 +685,15 @@ static int iscsit_dataout_post_crc_failed( } recover: - return iscsit_recover_dataout_sequence(cmd, hdr->offset, payload_length); + return iscsit_recover_dataout_sequence(cmd, be32_to_cpu(hdr->offset), + payload_length); } /* * Called from iscsit_handle_data_out() before DataOUT Payload is received * and CRC computed. */ -extern int iscsit_check_pre_dataout( +int iscsit_check_pre_dataout( struct iscsi_cmd *cmd, unsigned char *buf) { @@ -789,7 +797,7 @@ static void iscsit_handle_time2retain_timeout(unsigned long data) target_put_session(sess->se_sess); } -extern void iscsit_start_time2retain_handler(struct iscsi_session *sess) +void iscsit_start_time2retain_handler(struct iscsi_session *sess) { int tpg_active; /* @@ -822,7 +830,7 @@ extern void iscsit_start_time2retain_handler(struct iscsi_session *sess) /* * Called with spin_lock_bh(&struct se_portal_group->session_lock) held */ -extern int iscsit_stop_time2retain_timer(struct iscsi_session *sess) +int iscsit_stop_time2retain_timer(struct iscsi_session *sess) { struct iscsi_portal_group *tpg = ISCSI_TPG_S(sess); struct se_portal_group *se_tpg = &tpg->tpg_se_tpg; @@ -926,7 +934,7 @@ static void iscsit_handle_connection_cleanup(struct iscsi_conn *conn) } } -extern void iscsit_take_action_for_connection_exit(struct iscsi_conn *conn) +void iscsit_take_action_for_connection_exit(struct iscsi_conn *conn) { spin_lock_bh(&conn->state_lock); if (atomic_read(&conn->connection_exit)) { diff --git a/drivers/target/iscsi/iscsi_target_erl1.c b/drivers/target/iscsi/iscsi_target_erl1.c index 3df8a2cef86f..21f29d91a8cb 100644 --- a/drivers/target/iscsi/iscsi_target_erl1.c +++ b/drivers/target/iscsi/iscsi_target_erl1.c @@ -466,7 +466,7 @@ static int iscsit_handle_recovery_datain( int iscsit_handle_recovery_datain_or_r2t( struct iscsi_conn *conn, unsigned char *buf, - u32 init_task_tag, + itt_t init_task_tag, u32 targ_xfer_tag, u32 begrun, u32 runlength) @@ -498,7 +498,7 @@ int iscsit_handle_recovery_datain_or_r2t( /* #warning FIXME: Status SNACK needs to be dependent on OPCODE!!! */ int iscsit_handle_status_snack( struct iscsi_conn *conn, - u32 init_task_tag, + itt_t init_task_tag, u32 targ_xfer_tag, u32 begrun, u32 runlength) diff --git a/drivers/target/iscsi/iscsi_target_erl1.h b/drivers/target/iscsi/iscsi_target_erl1.h index 85e67e29de6b..2a3ebf118a34 100644 --- a/drivers/target/iscsi/iscsi_target_erl1.h +++ b/drivers/target/iscsi/iscsi_target_erl1.h @@ -7,8 +7,8 @@ extern int iscsit_create_recovery_datain_values_datasequenceinorder_yes( extern int iscsit_create_recovery_datain_values_datasequenceinorder_no( struct iscsi_cmd *, struct iscsi_datain_req *); extern int iscsit_handle_recovery_datain_or_r2t(struct iscsi_conn *, unsigned char *, - u32, u32, u32, u32); -extern int iscsit_handle_status_snack(struct iscsi_conn *, u32, u32, + itt_t, u32, u32, u32); +extern int iscsit_handle_status_snack(struct iscsi_conn *, itt_t, u32, u32, u32); extern int iscsit_handle_data_ack(struct iscsi_conn *, u32, u32, u32); extern int iscsit_dataout_datapduinorder_no_fbit(struct iscsi_cmd *, struct iscsi_pdu *); diff --git a/drivers/target/iscsi/iscsi_target_erl2.c b/drivers/target/iscsi/iscsi_target_erl2.c index 65aac14fd831..17d8c20094fd 100644 --- a/drivers/target/iscsi/iscsi_target_erl2.c +++ b/drivers/target/iscsi/iscsi_target_erl2.c @@ -36,7 +36,7 @@ */ void iscsit_create_conn_recovery_datain_values( struct iscsi_cmd *cmd, - u32 exp_data_sn) + __be32 exp_data_sn) { u32 data_sn = 0; struct iscsi_conn *conn = cmd->conn; @@ -44,7 +44,7 @@ void iscsit_create_conn_recovery_datain_values( cmd->next_burst_len = 0; cmd->read_data_done = 0; - while (exp_data_sn > data_sn) { + while (be32_to_cpu(exp_data_sn) > data_sn) { if ((cmd->next_burst_len + conn->conn_ops->MaxRecvDataSegmentLength) < conn->sess->sess_ops->MaxBurstLength) { @@ -193,15 +193,13 @@ int iscsit_remove_active_connection_recovery_entry( return 0; } -int iscsit_remove_inactive_connection_recovery_entry( +static void iscsit_remove_inactive_connection_recovery_entry( struct iscsi_conn_recovery *cr, struct iscsi_session *sess) { spin_lock(&sess->cr_i_lock); list_del(&cr->cr_list); spin_unlock(&sess->cr_i_lock); - - return 0; } /* @@ -421,6 +419,7 @@ int iscsit_prepare_cmds_for_realligance(struct iscsi_conn *conn) cr->cid = conn->cid; cr->cmd_count = cmd_count; cr->maxrecvdatasegmentlength = conn->conn_ops->MaxRecvDataSegmentLength; + cr->maxxmitdatasegmentlength = conn->conn_ops->MaxXmitDataSegmentLength; cr->sess = conn->sess; iscsit_attach_inactive_connection_recovery_entry(conn->sess, cr); diff --git a/drivers/target/iscsi/iscsi_target_erl2.h b/drivers/target/iscsi/iscsi_target_erl2.h index 22f8d24780a6..63f2501f3fe0 100644 --- a/drivers/target/iscsi/iscsi_target_erl2.h +++ b/drivers/target/iscsi/iscsi_target_erl2.h @@ -1,7 +1,7 @@ #ifndef ISCSI_TARGET_ERL2_H #define ISCSI_TARGET_ERL2_H -extern void iscsit_create_conn_recovery_datain_values(struct iscsi_cmd *, u32); +extern void iscsit_create_conn_recovery_datain_values(struct iscsi_cmd *, __be32); extern void iscsit_create_conn_recovery_dataout_values(struct iscsi_cmd *); extern struct iscsi_conn_recovery *iscsit_get_inactive_connection_recovery_entry( struct iscsi_session *, u16); diff --git a/drivers/target/iscsi/iscsi_target_login.c b/drivers/target/iscsi/iscsi_target_login.c index 6aba4395e8d8..cdc8a10939c3 100644 --- a/drivers/target/iscsi/iscsi_target_login.c +++ b/drivers/target/iscsi/iscsi_target_login.c @@ -39,10 +39,6 @@ #include "iscsi_target.h" #include "iscsi_target_parameters.h" -extern struct idr sess_idr; -extern struct mutex auth_id_lock; -extern spinlock_t sess_idr_lock; - static int iscsi_login_init_conn(struct iscsi_conn *conn) { INIT_LIST_HEAD(&conn->conn_list); @@ -196,10 +192,10 @@ int iscsi_check_for_session_reinstatement(struct iscsi_conn *conn) static void iscsi_login_set_conn_values( struct iscsi_session *sess, struct iscsi_conn *conn, - u16 cid) + __be16 cid) { conn->sess = sess; - conn->cid = cid; + conn->cid = be16_to_cpu(cid); /* * Generate a random Status sequence number (statsn) for the new * iSCSI connection. @@ -234,7 +230,7 @@ static int iscsi_login_zero_tsih_s1( iscsi_login_set_conn_values(sess, conn, pdu->cid); sess->init_task_tag = pdu->itt; memcpy(&sess->isid, pdu->isid, 6); - sess->exp_cmd_sn = pdu->cmdsn; + sess->exp_cmd_sn = be32_to_cpu(pdu->cmdsn); INIT_LIST_HEAD(&sess->sess_conn_list); INIT_LIST_HEAD(&sess->sess_ooo_cmdsn_list); INIT_LIST_HEAD(&sess->cr_active_list); @@ -275,7 +271,7 @@ static int iscsi_login_zero_tsih_s1( * The FFP CmdSN window values will be allocated from the TPG's * Initiator Node's ACL once the login has been successfully completed. */ - sess->max_cmd_sn = pdu->cmdsn; + sess->max_cmd_sn = be32_to_cpu(pdu->cmdsn); sess->sess_ops = kzalloc(sizeof(struct iscsi_sess_ops), GFP_KERNEL); if (!sess->sess_ops) { @@ -453,7 +449,7 @@ static int iscsi_login_non_zero_tsih_s2( (sess_p->time2retain_timer_flags & ISCSI_TF_EXPIRED)) continue; if (!memcmp(sess_p->isid, pdu->isid, 6) && - (sess_p->tsih == pdu->tsih)) { + (sess_p->tsih == be16_to_cpu(pdu->tsih))) { iscsit_inc_session_usage_count(sess_p); iscsit_stop_time2retain_timer(sess_p); sess = sess_p; @@ -955,11 +951,7 @@ static int __iscsi_target_login_thread(struct iscsi_np *np) } pdu = (struct iscsi_login_req *) buffer; - pdu->cid = be16_to_cpu(pdu->cid); - pdu->tsih = be16_to_cpu(pdu->tsih); - pdu->itt = be32_to_cpu(pdu->itt); - pdu->cmdsn = be32_to_cpu(pdu->cmdsn); - pdu->exp_statsn = be32_to_cpu(pdu->exp_statsn); + /* * Used by iscsit_tx_login_rsp() for Login Resonses PDUs * when Status-Class != 0. diff --git a/drivers/target/iscsi/iscsi_target_nego.c b/drivers/target/iscsi/iscsi_target_nego.c index 2dba448cac19..e9053a04f24c 100644 --- a/drivers/target/iscsi/iscsi_target_nego.c +++ b/drivers/target/iscsi/iscsi_target_nego.c @@ -44,7 +44,7 @@ void convert_null_to_semi(char *buf, int len) buf[i] = ';'; } -int strlen_semi(char *buf) +static int strlen_semi(char *buf) { int i = 0; @@ -339,14 +339,14 @@ static int iscsi_target_do_tx_login_io(struct iscsi_conn *conn, struct iscsi_log hton24(login_rsp->dlength, login->rsp_length); memcpy(login_rsp->isid, login->isid, 6); login_rsp->tsih = cpu_to_be16(login->tsih); - login_rsp->itt = cpu_to_be32(login->init_task_tag); + login_rsp->itt = login->init_task_tag; login_rsp->statsn = cpu_to_be32(conn->stat_sn++); login_rsp->exp_cmdsn = cpu_to_be32(conn->sess->exp_cmd_sn); login_rsp->max_cmdsn = cpu_to_be32(conn->sess->max_cmd_sn); pr_debug("Sending Login Response, Flags: 0x%02x, ITT: 0x%08x," " ExpCmdSN; 0x%08x, MaxCmdSN: 0x%08x, StatSN: 0x%08x, Length:" - " %u\n", login_rsp->flags, ntohl(login_rsp->itt), + " %u\n", login_rsp->flags, (__force u32)login_rsp->itt, ntohl(login_rsp->exp_cmdsn), ntohl(login_rsp->max_cmdsn), ntohl(login_rsp->statsn), login->rsp_length); @@ -360,12 +360,9 @@ static int iscsi_target_do_tx_login_io(struct iscsi_conn *conn, struct iscsi_log return -1; login->rsp_length = 0; - login_rsp->tsih = be16_to_cpu(login_rsp->tsih); - login_rsp->itt = be32_to_cpu(login_rsp->itt); - login_rsp->statsn = be32_to_cpu(login_rsp->statsn); mutex_lock(&sess->cmdsn_mutex); - login_rsp->exp_cmdsn = be32_to_cpu(sess->exp_cmd_sn); - login_rsp->max_cmdsn = be32_to_cpu(sess->max_cmd_sn); + login_rsp->exp_cmdsn = cpu_to_be32(sess->exp_cmd_sn); + login_rsp->max_cmdsn = cpu_to_be32(sess->max_cmd_sn); mutex_unlock(&sess->cmdsn_mutex); return 0; @@ -381,11 +378,6 @@ static int iscsi_target_do_rx_login_io(struct iscsi_conn *conn, struct iscsi_log login_req = (struct iscsi_login_req *) login->req; payload_length = ntoh24(login_req->dlength); - login_req->tsih = be16_to_cpu(login_req->tsih); - login_req->itt = be32_to_cpu(login_req->itt); - login_req->cid = be16_to_cpu(login_req->cid); - login_req->cmdsn = be32_to_cpu(login_req->cmdsn); - login_req->exp_statsn = be32_to_cpu(login_req->exp_statsn); pr_debug("Got Login Command, Flags 0x%02x, ITT: 0x%08x," " CmdSN: 0x%08x, ExpStatSN: 0x%08x, CID: %hu, Length: %u\n", @@ -550,7 +542,7 @@ static int iscsi_target_handle_csg_zero( SENDER_INITIATOR|SENDER_RECEIVER, login->req_buf, payload_length, - conn->param_list); + conn); if (ret < 0) return -1; @@ -627,7 +619,7 @@ static int iscsi_target_handle_csg_one(struct iscsi_conn *conn, struct iscsi_log SENDER_INITIATOR|SENDER_RECEIVER, login->req_buf, payload_length, - conn->param_list); + conn); if (ret < 0) return -1; @@ -762,11 +754,11 @@ static int iscsi_target_locate_portal( login->version_min = login_req->min_version; login->version_max = login_req->max_version; memcpy(login->isid, login_req->isid, 6); - login->cmd_sn = login_req->cmdsn; + login->cmd_sn = be32_to_cpu(login_req->cmdsn); login->init_task_tag = login_req->itt; - login->initial_exp_statsn = login_req->exp_statsn; - login->cid = login_req->cid; - login->tsih = login_req->tsih; + login->initial_exp_statsn = be32_to_cpu(login_req->exp_statsn); + login->cid = be16_to_cpu(login_req->cid); + login->tsih = be16_to_cpu(login_req->tsih); if (iscsi_target_get_initial_payload(conn, login) < 0) return -1; @@ -1000,7 +992,6 @@ struct iscsi_login *iscsi_target_init_negotiation( * Locates Target Portal from NP -> Target IQN */ if (iscsi_target_locate_portal(np, conn, login) < 0) { - pr_err("iSCSI Login negotiation failed.\n"); goto out; } diff --git a/drivers/target/iscsi/iscsi_target_parameters.c b/drivers/target/iscsi/iscsi_target_parameters.c index 240f7aa76ed1..90b740048f26 100644 --- a/drivers/target/iscsi/iscsi_target_parameters.c +++ b/drivers/target/iscsi/iscsi_target_parameters.c @@ -334,6 +334,13 @@ int iscsi_create_default_params(struct iscsi_param_list **param_list_ptr) if (!param) goto out; + param = iscsi_set_default_param(pl, MAXXMITDATASEGMENTLENGTH, + INITIAL_MAXXMITDATASEGMENTLENGTH, + PHASE_OPERATIONAL, SCOPE_CONNECTION_ONLY, SENDER_BOTH, + TYPERANGE_512_TO_16777215, USE_ALL); + if (!param) + goto out; + param = iscsi_set_default_param(pl, MAXRECVDATASEGMENTLENGTH, INITIAL_MAXRECVDATASEGMENTLENGTH, PHASE_OPERATIONAL, SCOPE_CONNECTION_ONLY, SENDER_BOTH, @@ -467,6 +474,8 @@ int iscsi_set_keys_to_negotiate( SET_PSTATE_NEGOTIATE(param); } else if (!strcmp(param->name, MAXRECVDATASEGMENTLENGTH)) { SET_PSTATE_NEGOTIATE(param); + } else if (!strcmp(param->name, MAXXMITDATASEGMENTLENGTH)) { + continue; } else if (!strcmp(param->name, MAXBURSTLENGTH)) { SET_PSTATE_NEGOTIATE(param); } else if (!strcmp(param->name, FIRSTBURSTLENGTH)) { @@ -1056,7 +1065,8 @@ out: return proposer_values; } -static int iscsi_check_acceptor_state(struct iscsi_param *param, char *value) +static int iscsi_check_acceptor_state(struct iscsi_param *param, char *value, + struct iscsi_conn *conn) { u8 acceptor_boolean_value = 0, proposer_boolean_value = 0; char *negoitated_value = NULL; @@ -1131,8 +1141,35 @@ static int iscsi_check_acceptor_state(struct iscsi_param *param, char *value) return -1; } - if (!strcmp(param->name, MAXRECVDATASEGMENTLENGTH)) - SET_PSTATE_REPLY_OPTIONAL(param); + if (!strcmp(param->name, MAXRECVDATASEGMENTLENGTH)) { + struct iscsi_param *param_mxdsl; + unsigned long long tmp; + int rc; + + rc = strict_strtoull(param->value, 0, &tmp); + if (rc < 0) + return -1; + + conn->conn_ops->MaxRecvDataSegmentLength = tmp; + pr_debug("Saving op->MaxRecvDataSegmentLength from" + " original initiator received value: %u\n", + conn->conn_ops->MaxRecvDataSegmentLength); + + param_mxdsl = iscsi_find_param_from_key( + MAXXMITDATASEGMENTLENGTH, + conn->param_list); + if (!param_mxdsl) + return -1; + + rc = iscsi_update_param_value(param, + param_mxdsl->value); + if (rc < 0) + return -1; + + pr_debug("Updated %s to target MXDSL value: %s\n", + param->name, param->value); + } + } else if (IS_TYPE_NUMBER_RANGE(param)) { negoitated_value = iscsi_get_value_from_number_range( param, value); @@ -1526,8 +1563,9 @@ int iscsi_decode_text_input( u8 sender, char *textbuf, u32 length, - struct iscsi_param_list *param_list) + struct iscsi_conn *conn) { + struct iscsi_param_list *param_list = conn->param_list; char *tmpbuf, *start = NULL, *end = NULL; tmpbuf = kzalloc(length + 1, GFP_KERNEL); @@ -1585,7 +1623,7 @@ int iscsi_decode_text_input( } SET_PSTATE_RESPONSE_GOT(param); } else { - if (iscsi_check_acceptor_state(param, value) < 0) { + if (iscsi_check_acceptor_state(param, value, conn) < 0) { kfree(tmpbuf); return -1; } @@ -1720,6 +1758,18 @@ void iscsi_set_connection_parameters( pr_debug("---------------------------------------------------" "---------------\n"); list_for_each_entry(param, ¶m_list->param_list, p_list) { + /* + * Special case to set MAXXMITDATASEGMENTLENGTH from the + * target requested MaxRecvDataSegmentLength, even though + * this key is not sent over the wire. + */ + if (!strcmp(param->name, MAXXMITDATASEGMENTLENGTH)) { + ops->MaxXmitDataSegmentLength = + simple_strtoul(param->value, &tmpptr, 0); + pr_debug("MaxXmitDataSegmentLength: %s\n", + param->value); + } + if (!IS_PSTATE_ACCEPTOR(param) && !IS_PSTATE_PROPOSER(param)) continue; if (!strcmp(param->name, AUTHMETHOD)) { @@ -1734,10 +1784,13 @@ void iscsi_set_connection_parameters( pr_debug("DataDigest: %s\n", param->value); } else if (!strcmp(param->name, MAXRECVDATASEGMENTLENGTH)) { - ops->MaxRecvDataSegmentLength = - simple_strtoul(param->value, &tmpptr, 0); - pr_debug("MaxRecvDataSegmentLength: %s\n", - param->value); + /* + * At this point iscsi_check_acceptor_state() will have + * set ops->MaxRecvDataSegmentLength from the original + * initiator provided value. + */ + pr_debug("MaxRecvDataSegmentLength: %u\n", + ops->MaxRecvDataSegmentLength); } else if (!strcmp(param->name, OFMARKER)) { ops->OFMarker = !strcmp(param->value, YES); pr_debug("OFMarker: %s\n", diff --git a/drivers/target/iscsi/iscsi_target_parameters.h b/drivers/target/iscsi/iscsi_target_parameters.h index 6a37fd6f1285..1e1b7504a76b 100644 --- a/drivers/target/iscsi/iscsi_target_parameters.h +++ b/drivers/target/iscsi/iscsi_target_parameters.h @@ -36,7 +36,7 @@ extern void iscsi_release_param_list(struct iscsi_param_list *); extern struct iscsi_param *iscsi_find_param_from_key(char *, struct iscsi_param_list *); extern int iscsi_extract_key_value(char *, char **, char **); extern int iscsi_update_param_value(struct iscsi_param *, char *); -extern int iscsi_decode_text_input(u8, u8, char *, u32, struct iscsi_param_list *); +extern int iscsi_decode_text_input(u8, u8, char *, u32, struct iscsi_conn *); extern int iscsi_encode_text_output(u8, u8, char *, u32 *, struct iscsi_param_list *); extern int iscsi_check_negotiated_keys(struct iscsi_param_list *); @@ -70,6 +70,7 @@ extern void iscsi_set_session_parameters(struct iscsi_sess_ops *, #define INITIALR2T "InitialR2T" #define IMMEDIATEDATA "ImmediateData" #define MAXRECVDATASEGMENTLENGTH "MaxRecvDataSegmentLength" +#define MAXXMITDATASEGMENTLENGTH "MaxXmitDataSegmentLength" #define MAXBURSTLENGTH "MaxBurstLength" #define FIRSTBURSTLENGTH "FirstBurstLength" #define DEFAULTTIME2WAIT "DefaultTime2Wait" @@ -113,6 +114,10 @@ extern void iscsi_set_session_parameters(struct iscsi_sess_ops *, #define INITIAL_INITIALR2T YES #define INITIAL_IMMEDIATEDATA YES #define INITIAL_MAXRECVDATASEGMENTLENGTH "8192" +/* + * Match outgoing MXDSL default to incoming Open-iSCSI default + */ +#define INITIAL_MAXXMITDATASEGMENTLENGTH "262144" #define INITIAL_MAXBURSTLENGTH "262144" #define INITIAL_FIRSTBURSTLENGTH "65536" #define INITIAL_DEFAULTTIME2WAIT "2" diff --git a/drivers/target/iscsi/iscsi_target_seq_pdu_list.c b/drivers/target/iscsi/iscsi_target_seq_pdu_list.c index 85a306e067ba..edb592a368ef 100644 --- a/drivers/target/iscsi/iscsi_target_seq_pdu_list.c +++ b/drivers/target/iscsi/iscsi_target_seq_pdu_list.c @@ -219,8 +219,14 @@ static void iscsit_determine_counts_for_list( int check_immediate = 0; u32 burstlength = 0, offset = 0; u32 unsolicited_data_length = 0; + u32 mdsl; struct iscsi_conn *conn = cmd->conn; + if (cmd->se_cmd.data_direction == DMA_TO_DEVICE) + mdsl = cmd->conn->conn_ops->MaxXmitDataSegmentLength; + else + mdsl = cmd->conn->conn_ops->MaxRecvDataSegmentLength; + if ((bl->type == PDULIST_IMMEDIATE) || (bl->type == PDULIST_IMMEDIATE_AND_UNSOLICITED)) check_immediate = 1; @@ -243,14 +249,13 @@ static void iscsit_determine_counts_for_list( continue; } if (unsolicited_data_length > 0) { - if ((offset + conn->conn_ops->MaxRecvDataSegmentLength) - >= cmd->se_cmd.data_length) { + if ((offset + mdsl) >= cmd->se_cmd.data_length) { unsolicited_data_length -= (cmd->se_cmd.data_length - offset); offset += (cmd->se_cmd.data_length - offset); continue; } - if ((offset + conn->conn_ops->MaxRecvDataSegmentLength) + if ((offset + mdsl) >= conn->sess->sess_ops->FirstBurstLength) { unsolicited_data_length -= (conn->sess->sess_ops->FirstBurstLength - @@ -262,17 +267,15 @@ static void iscsit_determine_counts_for_list( continue; } - offset += conn->conn_ops->MaxRecvDataSegmentLength; - unsolicited_data_length -= - conn->conn_ops->MaxRecvDataSegmentLength; + offset += mdsl; + unsolicited_data_length -= mdsl; continue; } - if ((offset + conn->conn_ops->MaxRecvDataSegmentLength) >= - cmd->se_cmd.data_length) { + if ((offset + mdsl) >= cmd->se_cmd.data_length) { offset += (cmd->se_cmd.data_length - offset); continue; } - if ((burstlength + conn->conn_ops->MaxRecvDataSegmentLength) >= + if ((burstlength + mdsl) >= conn->sess->sess_ops->MaxBurstLength) { offset += (conn->sess->sess_ops->MaxBurstLength - burstlength); @@ -281,8 +284,8 @@ static void iscsit_determine_counts_for_list( continue; } - burstlength += conn->conn_ops->MaxRecvDataSegmentLength; - offset += conn->conn_ops->MaxRecvDataSegmentLength; + burstlength += mdsl; + offset += mdsl; } } @@ -296,12 +299,17 @@ static int iscsit_do_build_pdu_and_seq_lists( struct iscsi_build_list *bl) { int check_immediate = 0, datapduinorder, datasequenceinorder; - u32 burstlength = 0, offset = 0, i = 0; + u32 burstlength = 0, offset = 0, i = 0, mdsl; u32 pdu_count = 0, seq_no = 0, unsolicited_data_length = 0; struct iscsi_conn *conn = cmd->conn; struct iscsi_pdu *pdu = cmd->pdu_list; struct iscsi_seq *seq = cmd->seq_list; + if (cmd->se_cmd.data_direction == DMA_TO_DEVICE) + mdsl = cmd->conn->conn_ops->MaxXmitDataSegmentLength; + else + mdsl = cmd->conn->conn_ops->MaxRecvDataSegmentLength; + datapduinorder = conn->sess->sess_ops->DataPDUInOrder; datasequenceinorder = conn->sess->sess_ops->DataSequenceInOrder; @@ -348,9 +356,7 @@ static int iscsit_do_build_pdu_and_seq_lists( continue; } if (unsolicited_data_length > 0) { - if ((offset + - conn->conn_ops->MaxRecvDataSegmentLength) >= - cmd->se_cmd.data_length) { + if ((offset + mdsl) >= cmd->se_cmd.data_length) { if (!datapduinorder) { pdu[i].type = PDUTYPE_UNSOLICITED; pdu[i].length = @@ -367,8 +373,7 @@ static int iscsit_do_build_pdu_and_seq_lists( offset += (cmd->se_cmd.data_length - offset); continue; } - if ((offset + - conn->conn_ops->MaxRecvDataSegmentLength) >= + if ((offset + mdsl) >= conn->sess->sess_ops->FirstBurstLength) { if (!datapduinorder) { pdu[i].type = PDUTYPE_UNSOLICITED; @@ -396,17 +401,14 @@ static int iscsit_do_build_pdu_and_seq_lists( if (!datapduinorder) { pdu[i].type = PDUTYPE_UNSOLICITED; - pdu[i++].length = - conn->conn_ops->MaxRecvDataSegmentLength; + pdu[i++].length = mdsl; } - burstlength += conn->conn_ops->MaxRecvDataSegmentLength; - offset += conn->conn_ops->MaxRecvDataSegmentLength; - unsolicited_data_length -= - conn->conn_ops->MaxRecvDataSegmentLength; + burstlength += mdsl; + offset += mdsl; + unsolicited_data_length -= mdsl; continue; } - if ((offset + conn->conn_ops->MaxRecvDataSegmentLength) >= - cmd->se_cmd.data_length) { + if ((offset + mdsl) >= cmd->se_cmd.data_length) { if (!datapduinorder) { pdu[i].type = PDUTYPE_NORMAL; pdu[i].length = (cmd->se_cmd.data_length - offset); @@ -420,7 +422,7 @@ static int iscsit_do_build_pdu_and_seq_lists( offset += (cmd->se_cmd.data_length - offset); continue; } - if ((burstlength + conn->conn_ops->MaxRecvDataSegmentLength) >= + if ((burstlength + mdsl) >= conn->sess->sess_ops->MaxBurstLength) { if (!datapduinorder) { pdu[i].type = PDUTYPE_NORMAL; @@ -445,11 +447,10 @@ static int iscsit_do_build_pdu_and_seq_lists( if (!datapduinorder) { pdu[i].type = PDUTYPE_NORMAL; - pdu[i++].length = - conn->conn_ops->MaxRecvDataSegmentLength; + pdu[i++].length = mdsl; } - burstlength += conn->conn_ops->MaxRecvDataSegmentLength; - offset += conn->conn_ops->MaxRecvDataSegmentLength; + burstlength += mdsl; + offset += mdsl; } if (!datasequenceinorder) { diff --git a/drivers/target/iscsi/iscsi_target_tmr.c b/drivers/target/iscsi/iscsi_target_tmr.c index f62fe123d902..4a99820d063b 100644 --- a/drivers/target/iscsi/iscsi_target_tmr.c +++ b/drivers/target/iscsi/iscsi_target_tmr.c @@ -50,21 +50,20 @@ u8 iscsit_tmr_abort_task( if (!ref_cmd) { pr_err("Unable to locate RefTaskTag: 0x%08x on CID:" " %hu.\n", hdr->rtt, conn->cid); - return ((hdr->refcmdsn >= conn->sess->exp_cmd_sn) && - (hdr->refcmdsn <= conn->sess->max_cmd_sn)) ? + return (be32_to_cpu(hdr->refcmdsn) >= conn->sess->exp_cmd_sn && + be32_to_cpu(hdr->refcmdsn) <= conn->sess->max_cmd_sn) ? ISCSI_TMF_RSP_COMPLETE : ISCSI_TMF_RSP_NO_TASK; } - if (ref_cmd->cmd_sn != hdr->refcmdsn) { + if (ref_cmd->cmd_sn != be32_to_cpu(hdr->refcmdsn)) { pr_err("RefCmdSN 0x%08x does not equal" " task's CmdSN 0x%08x. Rejecting ABORT_TASK.\n", hdr->refcmdsn, ref_cmd->cmd_sn); return ISCSI_TMF_RSP_REJECTED; } - se_tmr->ref_task_tag = hdr->rtt; + se_tmr->ref_task_tag = (__force u32)hdr->rtt; tmr_req->ref_cmd = ref_cmd; - tmr_req->ref_cmd_sn = hdr->refcmdsn; - tmr_req->exp_data_sn = hdr->exp_datasn; + tmr_req->exp_data_sn = be32_to_cpu(hdr->exp_datasn); return ISCSI_TMF_RSP_COMPLETE; } @@ -146,7 +145,7 @@ u8 iscsit_tmr_task_reassign( } /* * Temporary check to prevent connection recovery for - * connections with a differing MaxRecvDataSegmentLength. + * connections with a differing Max*DataSegmentLength. */ if (cr->maxrecvdatasegmentlength != conn->conn_ops->MaxRecvDataSegmentLength) { @@ -155,6 +154,13 @@ u8 iscsit_tmr_task_reassign( " TMR TASK_REASSIGN.\n"); return ISCSI_TMF_RSP_REJECTED; } + if (cr->maxxmitdatasegmentlength != + conn->conn_ops->MaxXmitDataSegmentLength) { + pr_err("Unable to perform connection recovery for" + " differing MaxXmitDataSegmentLength, rejecting" + " TMR TASK_REASSIGN.\n"); + return ISCSI_TMF_RSP_REJECTED; + } ref_lun = scsilun_to_int(&hdr->lun); if (ref_lun != ref_cmd->se_cmd.orig_fe_lun) { @@ -164,10 +170,9 @@ u8 iscsit_tmr_task_reassign( return ISCSI_TMF_RSP_REJECTED; } - se_tmr->ref_task_tag = hdr->rtt; + se_tmr->ref_task_tag = (__force u32)hdr->rtt; tmr_req->ref_cmd = ref_cmd; - tmr_req->ref_cmd_sn = hdr->refcmdsn; - tmr_req->exp_data_sn = hdr->exp_datasn; + tmr_req->exp_data_sn = be32_to_cpu(hdr->exp_datasn); tmr_req->conn_recovery = cr; tmr_req->task_reassign = 1; /* @@ -455,7 +460,7 @@ static int iscsit_task_reassign_complete( * Right now the only one that its really needed for is * connection recovery releated TASK_REASSIGN. */ -extern int iscsit_tmr_post_handler(struct iscsi_cmd *cmd, struct iscsi_conn *conn) +int iscsit_tmr_post_handler(struct iscsi_cmd *cmd, struct iscsi_conn *conn) { struct iscsi_tmr_req *tmr_req = cmd->tmr_req; struct se_tmr_req *se_tmr = cmd->se_cmd.se_tmr_req; @@ -470,7 +475,7 @@ extern int iscsit_tmr_post_handler(struct iscsi_cmd *cmd, struct iscsi_conn *con /* * Nothing to do here, but leave it for good measure. :-) */ -int iscsit_task_reassign_prepare_read( +static int iscsit_task_reassign_prepare_read( struct iscsi_tmr_req *tmr_req, struct iscsi_conn *conn) { @@ -545,7 +550,7 @@ static void iscsit_task_reassign_prepare_unsolicited_dataout( } } -int iscsit_task_reassign_prepare_write( +static int iscsit_task_reassign_prepare_write( struct iscsi_tmr_req *tmr_req, struct iscsi_conn *conn) { diff --git a/drivers/target/iscsi/iscsi_target_tpg.c b/drivers/target/iscsi/iscsi_target_tpg.c index a38a3f8ab0d9..de9ea32b6104 100644 --- a/drivers/target/iscsi/iscsi_target_tpg.c +++ b/drivers/target/iscsi/iscsi_target_tpg.c @@ -677,6 +677,12 @@ int iscsit_ta_generate_node_acls( pr_debug("iSCSI_TPG[%hu] - Generate Initiator Portal Group ACLs: %s\n", tpg->tpgt, (a->generate_node_acls) ? "Enabled" : "Disabled"); + if (flag == 1 && a->cache_dynamic_acls == 0) { + pr_debug("Explicitly setting cache_dynamic_acls=1 when " + "generate_node_acls=1\n"); + a->cache_dynamic_acls = 1; + } + return 0; } @@ -716,6 +722,12 @@ int iscsit_ta_cache_dynamic_acls( return -EINVAL; } + if (a->generate_node_acls == 1 && flag == 0) { + pr_debug("Skipping cache_dynamic_acls=0 when" + " generate_node_acls=1\n"); + return 0; + } + a->cache_dynamic_acls = flag; pr_debug("iSCSI_TPG[%hu] - Cache Dynamic Initiator Portal Group" " ACLs %s\n", tpg->tpgt, (a->cache_dynamic_acls) ? diff --git a/drivers/target/iscsi/iscsi_target_tq.c b/drivers/target/iscsi/iscsi_target_tq.c index 977e1cf90e83..9d881a000e42 100644 --- a/drivers/target/iscsi/iscsi_target_tq.c +++ b/drivers/target/iscsi/iscsi_target_tq.c @@ -40,7 +40,7 @@ static void iscsi_add_ts_to_active_list(struct iscsi_thread_set *ts) spin_unlock(&active_ts_lock); } -extern void iscsi_add_ts_to_inactive_list(struct iscsi_thread_set *ts) +static void iscsi_add_ts_to_inactive_list(struct iscsi_thread_set *ts) { spin_lock(&inactive_ts_lock); list_add_tail(&ts->ts_list, &inactive_ts_list); @@ -76,7 +76,7 @@ static struct iscsi_thread_set *iscsi_get_ts_from_inactive_list(void) return ts; } -extern int iscsi_allocate_thread_sets(u32 thread_pair_count) +int iscsi_allocate_thread_sets(u32 thread_pair_count) { int allocated_thread_pair_count = 0, i, thread_id; struct iscsi_thread_set *ts = NULL; @@ -140,7 +140,7 @@ extern int iscsi_allocate_thread_sets(u32 thread_pair_count) return allocated_thread_pair_count; } -extern void iscsi_deallocate_thread_sets(void) +void iscsi_deallocate_thread_sets(void) { u32 released_count = 0; struct iscsi_thread_set *ts = NULL; diff --git a/drivers/target/iscsi/iscsi_target_tq.h b/drivers/target/iscsi/iscsi_target_tq.h index 26e6a95ec203..547d11831282 100644 --- a/drivers/target/iscsi/iscsi_target_tq.h +++ b/drivers/target/iscsi/iscsi_target_tq.h @@ -5,7 +5,6 @@ * Defines for thread sets. */ extern int iscsi_thread_set_force_reinstatement(struct iscsi_conn *); -extern void iscsi_add_ts_to_inactive_list(struct iscsi_thread_set *); extern int iscsi_allocate_thread_sets(u32); extern void iscsi_deallocate_thread_sets(void); extern void iscsi_activate_thread_set(struct iscsi_conn *, struct iscsi_thread_set *); diff --git a/drivers/target/iscsi/iscsi_target_util.c b/drivers/target/iscsi/iscsi_target_util.c index b42cdeb153df..afd98ccd40ae 100644 --- a/drivers/target/iscsi/iscsi_target_util.c +++ b/drivers/target/iscsi/iscsi_target_util.c @@ -274,14 +274,14 @@ static inline int iscsit_check_received_cmdsn(struct iscsi_session *sess, u32 cm int iscsit_sequence_cmd( struct iscsi_conn *conn, struct iscsi_cmd *cmd, - u32 cmdsn) + __be32 cmdsn) { int ret; int cmdsn_ret; mutex_lock(&conn->sess->cmdsn_mutex); - cmdsn_ret = iscsit_check_received_cmdsn(conn->sess, cmdsn); + cmdsn_ret = iscsit_check_received_cmdsn(conn->sess, be32_to_cpu(cmdsn)); switch (cmdsn_ret) { case CMDSN_NORMAL_OPERATION: ret = iscsit_execute_cmd(cmd, 0); @@ -289,7 +289,7 @@ int iscsit_sequence_cmd( iscsit_execute_ooo_cmdsns(conn->sess); break; case CMDSN_HIGHER_THAN_EXP: - ret = iscsit_handle_ooo_cmdsn(conn->sess, cmd, cmdsn); + ret = iscsit_handle_ooo_cmdsn(conn->sess, cmd, be32_to_cpu(cmdsn)); break; case CMDSN_LOWER_THAN_EXP: cmd->i_state = ISTATE_REMOVE; @@ -351,7 +351,7 @@ int iscsit_check_unsolicited_dataout(struct iscsi_cmd *cmd, unsigned char *buf) struct iscsi_cmd *iscsit_find_cmd_from_itt( struct iscsi_conn *conn, - u32 init_task_tag) + itt_t init_task_tag) { struct iscsi_cmd *cmd; @@ -371,7 +371,7 @@ struct iscsi_cmd *iscsit_find_cmd_from_itt( struct iscsi_cmd *iscsit_find_cmd_from_itt_or_dump( struct iscsi_conn *conn, - u32 init_task_tag, + itt_t init_task_tag, u32 length) { struct iscsi_cmd *cmd; @@ -417,7 +417,7 @@ int iscsit_find_cmd_for_recovery( struct iscsi_session *sess, struct iscsi_cmd **cmd_ptr, struct iscsi_conn_recovery **cr_ptr, - u32 init_task_tag) + itt_t init_task_tag) { struct iscsi_cmd *cmd = NULL; struct iscsi_conn_recovery *cr; @@ -855,7 +855,7 @@ static int iscsit_add_nopin(struct iscsi_conn *conn, int want_response) cmd->iscsi_opcode = ISCSI_OP_NOOP_IN; state = (want_response) ? ISTATE_SEND_NOPIN_WANT_RESPONSE : ISTATE_SEND_NOPIN_NO_RESPONSE; - cmd->init_task_tag = 0xFFFFFFFF; + cmd->init_task_tag = RESERVED_ITT; spin_lock_bh(&conn->sess->ttt_lock); cmd->targ_xfer_tag = (want_response) ? conn->sess->targ_xfer_tag++ : 0xFFFFFFFF; @@ -1222,7 +1222,7 @@ int iscsit_tx_login_rsp(struct iscsi_conn *conn, u8 status_class, u8 status_deta hdr->opcode = ISCSI_OP_LOGIN_RSP; hdr->status_class = status_class; hdr->status_detail = status_detail; - hdr->itt = cpu_to_be32(conn->login_itt); + hdr->itt = conn->login_itt; iov.iov_base = &iscsi_hdr; iov.iov_len = ISCSI_HDR_LEN; diff --git a/drivers/target/iscsi/iscsi_target_util.h b/drivers/target/iscsi/iscsi_target_util.h index e1c729b8a1c5..44054bd35437 100644 --- a/drivers/target/iscsi/iscsi_target_util.h +++ b/drivers/target/iscsi/iscsi_target_util.h @@ -12,14 +12,14 @@ extern struct iscsi_cmd *iscsit_allocate_cmd(struct iscsi_conn *, gfp_t); extern struct iscsi_seq *iscsit_get_seq_holder_for_datain(struct iscsi_cmd *, u32); extern struct iscsi_seq *iscsit_get_seq_holder_for_r2t(struct iscsi_cmd *); extern struct iscsi_r2t *iscsit_get_holder_for_r2tsn(struct iscsi_cmd *, u32); -int iscsit_sequence_cmd(struct iscsi_conn *conn, struct iscsi_cmd *cmd, u32 cmdsn); +int iscsit_sequence_cmd(struct iscsi_conn *conn, struct iscsi_cmd *cmd, __be32 cmdsn); extern int iscsit_check_unsolicited_dataout(struct iscsi_cmd *, unsigned char *); -extern struct iscsi_cmd *iscsit_find_cmd_from_itt(struct iscsi_conn *, u32); +extern struct iscsi_cmd *iscsit_find_cmd_from_itt(struct iscsi_conn *, itt_t); extern struct iscsi_cmd *iscsit_find_cmd_from_itt_or_dump(struct iscsi_conn *, - u32, u32); + itt_t, u32); extern struct iscsi_cmd *iscsit_find_cmd_from_ttt(struct iscsi_conn *, u32); extern int iscsit_find_cmd_for_recovery(struct iscsi_session *, struct iscsi_cmd **, - struct iscsi_conn_recovery **, u32); + struct iscsi_conn_recovery **, itt_t); extern void iscsit_add_cmd_to_immediate_queue(struct iscsi_cmd *, struct iscsi_conn *, u8); extern struct iscsi_queue_req *iscsit_get_cmd_from_immediate_queue(struct iscsi_conn *); extern void iscsit_add_cmd_to_response_queue(struct iscsi_cmd *, struct iscsi_conn *, u8); diff --git a/drivers/target/loopback/tcm_loop.c b/drivers/target/loopback/tcm_loop.c index 5491c632a15e..2d444b1ccd33 100644 --- a/drivers/target/loopback/tcm_loop.c +++ b/drivers/target/loopback/tcm_loop.c @@ -166,7 +166,7 @@ static void tcm_loop_submission_work(struct work_struct *work) struct tcm_loop_tpg *tl_tpg; struct scatterlist *sgl_bidi = NULL; u32 sgl_bidi_count = 0; - int ret; + int rc; tl_hba = *(struct tcm_loop_hba **)shost_priv(sc->device->host); tl_tpg = &tl_hba->tl_hba_tpgs[sc->device->id]; @@ -187,12 +187,6 @@ static void tcm_loop_submission_work(struct work_struct *work) set_host_byte(sc, DID_ERROR); goto out_done; } - - transport_init_se_cmd(se_cmd, tl_tpg->tl_se_tpg.se_tpg_tfo, - tl_nexus->se_sess, - scsi_bufflen(sc), sc->sc_data_direction, - tcm_loop_sam_attr(sc), &tl_cmd->tl_sense_buf[0]); - if (scsi_bidi_cmnd(sc)) { struct scsi_data_buffer *sdb = scsi_in(sc); @@ -201,56 +195,16 @@ static void tcm_loop_submission_work(struct work_struct *work) se_cmd->se_cmd_flags |= SCF_BIDI; } - - if (transport_lookup_cmd_lun(se_cmd, tl_cmd->sc->device->lun) < 0) { - kmem_cache_free(tcm_loop_cmd_cache, tl_cmd); + rc = target_submit_cmd_map_sgls(se_cmd, tl_nexus->se_sess, sc->cmnd, + &tl_cmd->tl_sense_buf[0], tl_cmd->sc->device->lun, + scsi_bufflen(sc), tcm_loop_sam_attr(sc), + sc->sc_data_direction, 0, + scsi_sglist(sc), scsi_sg_count(sc), + sgl_bidi, sgl_bidi_count); + if (rc < 0) { set_host_byte(sc, DID_NO_CONNECT); goto out_done; } - - /* - * Because some userspace code via scsi-generic do not memset their - * associated read buffers, go ahead and do that here for type - * non-data CDBs. Also note that this is currently guaranteed to be a - * single SGL for this case by target core in - * target_setup_cmd_from_cdb() -> transport_generic_cmd_sequencer(). - */ - if (!(se_cmd->se_cmd_flags & SCF_SCSI_DATA_CDB) && - se_cmd->data_direction == DMA_FROM_DEVICE) { - struct scatterlist *sg = scsi_sglist(sc); - unsigned char *buf = kmap(sg_page(sg)) + sg->offset; - - if (buf != NULL) { - memset(buf, 0, sg->length); - kunmap(sg_page(sg)); - } - } - - ret = target_setup_cmd_from_cdb(se_cmd, sc->cmnd); - if (ret == -ENOMEM) { - transport_send_check_condition_and_sense(se_cmd, - TCM_LOGICAL_UNIT_COMMUNICATION_FAILURE, 0); - transport_generic_free_cmd(se_cmd, 0); - return; - } else if (ret < 0) { - if (se_cmd->se_cmd_flags & SCF_SCSI_RESERVATION_CONFLICT) - tcm_loop_queue_status(se_cmd); - else - transport_send_check_condition_and_sense(se_cmd, - se_cmd->scsi_sense_reason, 0); - transport_generic_free_cmd(se_cmd, 0); - return; - } - - ret = transport_generic_map_mem_to_cmd(se_cmd, scsi_sglist(sc), - scsi_sg_count(sc), sgl_bidi, sgl_bidi_count); - if (ret) { - transport_send_check_condition_and_sense(se_cmd, - se_cmd->scsi_sense_reason, 0); - transport_generic_free_cmd(se_cmd, 0); - return; - } - transport_handle_cdb_direct(se_cmd); return; out_done: @@ -846,16 +800,6 @@ static int tcm_loop_queue_tm_rsp(struct se_cmd *se_cmd) return 0; } -static u16 tcm_loop_set_fabric_sense_len(struct se_cmd *se_cmd, u32 sense_length) -{ - return 0; -} - -static u16 tcm_loop_get_fabric_sense_len(void) -{ - return 0; -} - static char *tcm_loop_dump_proto_id(struct tcm_loop_hba *tl_hba) { switch (tl_hba->tl_proto_id) { @@ -1373,8 +1317,6 @@ static int tcm_loop_register_configfs(void) fabric->tf_ops.queue_data_in = &tcm_loop_queue_data_in; fabric->tf_ops.queue_status = &tcm_loop_queue_status; fabric->tf_ops.queue_tm_rsp = &tcm_loop_queue_tm_rsp; - fabric->tf_ops.set_fabric_sense_len = &tcm_loop_set_fabric_sense_len; - fabric->tf_ops.get_fabric_sense_len = &tcm_loop_get_fabric_sense_len; /* * Setup function pointers for generic logic in target_core_fabric_configfs.c diff --git a/drivers/target/sbp/sbp_target.c b/drivers/target/sbp/sbp_target.c index 39ddba584b30..0d6d7c1f025e 100644 --- a/drivers/target/sbp/sbp_target.c +++ b/drivers/target/sbp/sbp_target.c @@ -660,8 +660,7 @@ static void session_reconnect_expired(struct sbp_session *sess) spin_lock_bh(&sess->lock); list_for_each_entry_safe(login, temp, &sess->login_list, link) { login->sess = NULL; - list_del(&login->link); - list_add_tail(&login->link, &login_list); + list_move_tail(&login->link, &login_list); } spin_unlock_bh(&sess->lock); @@ -1847,16 +1846,6 @@ static int sbp_queue_tm_rsp(struct se_cmd *se_cmd) return 0; } -static u16 sbp_set_fabric_sense_len(struct se_cmd *se_cmd, u32 sense_length) -{ - return 0; -} - -static u16 sbp_get_fabric_sense_len(void) -{ - return 0; -} - static int sbp_check_stop_free(struct se_cmd *se_cmd) { struct sbp_target_request *req = container_of(se_cmd, @@ -2068,7 +2057,7 @@ static int sbp_update_unit_directory(struct sbp_tport *tport) return ret; } -static ssize_t sbp_parse_wwn(const char *name, u64 *wwn, int strict) +static ssize_t sbp_parse_wwn(const char *name, u64 *wwn) { const char *cp; char c, nibble; @@ -2088,7 +2077,7 @@ static ssize_t sbp_parse_wwn(const char *name, u64 *wwn, int strict) err = 3; if (isdigit(c)) nibble = c - '0'; - else if (isxdigit(c) && (islower(c) || !strict)) + else if (isxdigit(c)) nibble = tolower(c) - 'a' + 10; else goto fail; @@ -2117,7 +2106,7 @@ static struct se_node_acl *sbp_make_nodeacl( u64 guid = 0; u32 nexus_depth = 1; - if (sbp_parse_wwn(name, &guid, 1) < 0) + if (sbp_parse_wwn(name, &guid) < 0) return ERR_PTR(-EINVAL); se_nacl_new = sbp_alloc_fabric_acl(se_tpg); @@ -2253,7 +2242,7 @@ static struct se_wwn *sbp_make_tport( struct sbp_tport *tport; u64 guid = 0; - if (sbp_parse_wwn(name, &guid, 1) < 0) + if (sbp_parse_wwn(name, &guid) < 0) return ERR_PTR(-EINVAL); tport = kzalloc(sizeof(*tport), GFP_KERNEL); @@ -2534,8 +2523,6 @@ static struct target_core_fabric_ops sbp_ops = { .queue_data_in = sbp_queue_data_in, .queue_status = sbp_queue_status, .queue_tm_rsp = sbp_queue_tm_rsp, - .get_fabric_sense_len = sbp_get_fabric_sense_len, - .set_fabric_sense_len = sbp_set_fabric_sense_len, .check_stop_free = sbp_check_stop_free, .fabric_make_wwn = sbp_make_tport, @@ -2556,9 +2543,9 @@ static int sbp_register_configfs(void) int ret; fabric = target_fabric_configfs_init(THIS_MODULE, "sbp"); - if (!fabric) { + if (IS_ERR(fabric)) { pr_err("target_fabric_configfs_init() failed\n"); - return -ENOMEM; + return PTR_ERR(fabric); } fabric->tf_ops = sbp_ops; diff --git a/drivers/target/target_core_alua.c b/drivers/target/target_core_alua.c index 41641ba54828..9a5f9a7aecd2 100644 --- a/drivers/target/target_core_alua.c +++ b/drivers/target/target_core_alua.c @@ -344,7 +344,7 @@ int target_emulate_set_target_port_groups(struct se_cmd *cmd) */ rtpi = get_unaligned_be16(ptr + 2); /* - * Locate the matching relative target port identifer + * Locate the matching relative target port identifier * for the struct se_device storage object. */ spin_lock(&dev->se_port_lock); diff --git a/drivers/target/target_core_configfs.c b/drivers/target/target_core_configfs.c index 801efa892046..015f5be27bf6 100644 --- a/drivers/target/target_core_configfs.c +++ b/drivers/target/target_core_configfs.c @@ -457,14 +457,6 @@ static int target_fabric_tf_ops_check( pr_err("Missing tfo->queue_tm_rsp()\n"); return -EINVAL; } - if (!tfo->set_fabric_sense_len) { - pr_err("Missing tfo->set_fabric_sense_len()\n"); - return -EINVAL; - } - if (!tfo->get_fabric_sense_len) { - pr_err("Missing tfo->get_fabric_sense_len()\n"); - return -EINVAL; - } /* * We at least require tfo->fabric_make_wwn(), tfo->fabric_drop_wwn() * tfo->fabric_make_tpg() and tfo->fabric_drop_tpg() in @@ -1208,7 +1200,7 @@ static ssize_t target_core_dev_pr_show_attr_res_pr_holder_tg_port( " Target Node Endpoint: %s\n", tfo->get_fabric_name(), tfo->tpg_get_wwn(se_tpg)); len += sprintf(page+len, "SPC-3 Reservation: Relative Port" - " Identifer Tag: %hu %s Portal Group Tag: %hu" + " Identifier Tag: %hu %s Portal Group Tag: %hu" " %s Logical Unit: %u\n", lun->lun_sep->sep_rtpi, tfo->get_fabric_name(), tfo->tpg_get_tag(se_tpg), tfo->get_fabric_name(), lun->unpacked_lun); @@ -3132,6 +3124,7 @@ static int __init target_core_init_configfs(void) GFP_KERNEL); if (!target_cg->default_groups) { pr_err("Unable to allocate target_cg->default_groups\n"); + ret = -ENOMEM; goto out_global; } @@ -3147,6 +3140,7 @@ static int __init target_core_init_configfs(void) GFP_KERNEL); if (!hba_cg->default_groups) { pr_err("Unable to allocate hba_cg->default_groups\n"); + ret = -ENOMEM; goto out_global; } config_group_init_type_name(&alua_group, @@ -3162,6 +3156,7 @@ static int __init target_core_init_configfs(void) GFP_KERNEL); if (!alua_cg->default_groups) { pr_err("Unable to allocate alua_cg->default_groups\n"); + ret = -ENOMEM; goto out_global; } @@ -3173,14 +3168,17 @@ static int __init target_core_init_configfs(void) * Add core/alua/lu_gps/default_lu_gp */ lu_gp = core_alua_allocate_lu_gp("default_lu_gp", 1); - if (IS_ERR(lu_gp)) + if (IS_ERR(lu_gp)) { + ret = -ENOMEM; goto out_global; + } lu_gp_cg = &alua_lu_gps_group; lu_gp_cg->default_groups = kzalloc(sizeof(struct config_group) * 2, GFP_KERNEL); if (!lu_gp_cg->default_groups) { pr_err("Unable to allocate lu_gp_cg->default_groups\n"); + ret = -ENOMEM; goto out_global; } diff --git a/drivers/target/target_core_device.c b/drivers/target/target_core_device.c index 9fc9a6006ca0..8d774da16320 100644 --- a/drivers/target/target_core_device.c +++ b/drivers/target/target_core_device.c @@ -531,7 +531,7 @@ static struct se_port *core_alloc_port(struct se_device *dev) } again: /* - * Allocate the next RELATIVE TARGET PORT IDENTIFER for this struct se_device + * Allocate the next RELATIVE TARGET PORT IDENTIFIER for this struct se_device * Here is the table from spc4r17 section 7.7.3.8. * * Table 473 -- RELATIVE TARGET PORT IDENTIFIER field @@ -548,7 +548,7 @@ again: list_for_each_entry(port_tmp, &dev->dev_sep_list, sep_list) { /* - * Make sure RELATIVE TARGET PORT IDENTIFER is unique + * Make sure RELATIVE TARGET PORT IDENTIFIER is unique * for 16-bit wrap.. */ if (port->sep_rtpi == port_tmp->sep_rtpi) @@ -595,7 +595,7 @@ static void core_export_port( } dev->dev_port_count++; - port->sep_index = port->sep_rtpi; /* RELATIVE TARGET PORT IDENTIFER */ + port->sep_index = port->sep_rtpi; /* RELATIVE TARGET PORT IDENTIFIER */ } /* @@ -988,8 +988,9 @@ int se_dev_set_emulate_fua_write(struct se_device *dev, int flag) return -EINVAL; } - if (flag && dev->transport->fua_write_emulated == 0) { - pr_err("fua_write_emulated not supported\n"); + if (flag && + dev->transport->transport_type == TRANSPORT_PLUGIN_PHBA_PDEV) { + pr_err("emulate_fua_write not supported for pSCSI\n"); return -EINVAL; } dev->se_sub_dev->se_dev_attrib.emulate_fua_write = flag; @@ -1019,8 +1020,9 @@ int se_dev_set_emulate_write_cache(struct se_device *dev, int flag) pr_err("Illegal value %d\n", flag); return -EINVAL; } - if (flag && dev->transport->write_cache_emulated == 0) { - pr_err("write_cache_emulated not supported\n"); + if (flag && + dev->transport->transport_type == TRANSPORT_PLUGIN_PHBA_PDEV) { + pr_err("emulate_write_cache not supported for pSCSI\n"); return -EINVAL; } dev->se_sub_dev->se_dev_attrib.emulate_write_cache = flag; diff --git a/drivers/target/target_core_fabric_configfs.c b/drivers/target/target_core_fabric_configfs.c index ea479e54f5fd..bca737bb813d 100644 --- a/drivers/target/target_core_fabric_configfs.c +++ b/drivers/target/target_core_fabric_configfs.c @@ -22,7 +22,6 @@ #include <linux/module.h> #include <linux/moduleparam.h> -#include <generated/utsrelease.h> #include <linux/utsname.h> #include <linux/init.h> #include <linux/fs.h> diff --git a/drivers/target/target_core_fabric_lib.c b/drivers/target/target_core_fabric_lib.c index 283a36e464e6..e460d6233a0a 100644 --- a/drivers/target/target_core_fabric_lib.c +++ b/drivers/target/target_core_fabric_lib.c @@ -338,7 +338,7 @@ u32 iscsi_get_pr_transport_id_len( * 00b: iSCSI Initiator device TransportID format */ if (pr_reg->isid_present_at_reg) { - len += 5; /* For ",i,0x" ASCII seperator */ + len += 5; /* For ",i,0x" ASCII separator */ len += 7; /* For iSCSI Initiator Session ID + Null terminator */ *format_code = 1; } else @@ -415,20 +415,20 @@ char *iscsi_parse_pr_out_transport_id( *out_tid_len = (add_len + 4); } /* - * Check for ',i,0x' seperator between iSCSI Name and iSCSI Initiator + * Check for ',i,0x' separator between iSCSI Name and iSCSI Initiator * Session ID as defined in Table 390 - iSCSI initiator port TransportID * format. */ if (format_code == 0x40) { p = strstr(&buf[4], ",i,0x"); if (!p) { - pr_err("Unable to locate \",i,0x\" seperator" + pr_err("Unable to locate \",i,0x\" separator" " for Initiator port identifier: %s\n", &buf[4]); return NULL; } *p = '\0'; /* Terminate iSCSI Name */ - p += 5; /* Skip over ",i,0x" seperator */ + p += 5; /* Skip over ",i,0x" separator */ *port_nexus_ptr = p; /* diff --git a/drivers/target/target_core_file.c b/drivers/target/target_core_file.c index cbb5aaf3e567..0360383dfb94 100644 --- a/drivers/target/target_core_file.c +++ b/drivers/target/target_core_file.c @@ -125,6 +125,19 @@ static struct se_device *fd_create_virtdevice( * of pure timestamp updates. */ flags = O_RDWR | O_CREAT | O_LARGEFILE | O_DSYNC; + /* + * Optionally allow fd_buffered_io=1 to be enabled for people + * who want use the fs buffer cache as an WriteCache mechanism. + * + * This means that in event of a hard failure, there is a risk + * of silent data-loss if the SCSI client has *not* performed a + * forced unit access (FUA) write, or issued SYNCHRONIZE_CACHE + * to write-out the entire device cache. + */ + if (fd_dev->fbd_flags & FDBD_HAS_BUFFERED_IO_WCE) { + pr_debug("FILEIO: Disabling O_DSYNC, using buffered FILEIO\n"); + flags &= ~O_DSYNC; + } file = filp_open(fd_dev->fd_dev_name, flags, 0600); if (IS_ERR(file)) { @@ -188,6 +201,12 @@ static struct se_device *fd_create_virtdevice( if (!dev) goto fail; + if (fd_dev->fbd_flags & FDBD_HAS_BUFFERED_IO_WCE) { + pr_debug("FILEIO: Forcing setting of emulate_write_cache=1" + " with FDBD_HAS_BUFFERED_IO_WCE\n"); + dev->se_sub_dev->se_dev_attrib.emulate_write_cache = 1; + } + fd_dev->fd_dev_id = fd_host->fd_host_dev_id_count++; fd_dev->fd_queue_depth = dev->queue_depth; @@ -407,6 +426,7 @@ enum { static match_table_t tokens = { {Opt_fd_dev_name, "fd_dev_name=%s"}, {Opt_fd_dev_size, "fd_dev_size=%s"}, + {Opt_fd_buffered_io, "fd_buffered_io=%d"}, {Opt_err, NULL} }; @@ -418,7 +438,7 @@ static ssize_t fd_set_configfs_dev_params( struct fd_dev *fd_dev = se_dev->se_dev_su_ptr; char *orig, *ptr, *arg_p, *opts; substring_t args[MAX_OPT_ARGS]; - int ret = 0, token; + int ret = 0, arg, token; opts = kstrdup(page, GFP_KERNEL); if (!opts) @@ -459,6 +479,19 @@ static ssize_t fd_set_configfs_dev_params( " bytes\n", fd_dev->fd_dev_size); fd_dev->fbd_flags |= FBDF_HAS_SIZE; break; + case Opt_fd_buffered_io: + match_int(args, &arg); + if (arg != 1) { + pr_err("bogus fd_buffered_io=%d value\n", arg); + ret = -EINVAL; + goto out; + } + + pr_debug("FILEIO: Using buffered I/O" + " operations for struct fd_dev\n"); + + fd_dev->fbd_flags |= FDBD_HAS_BUFFERED_IO_WCE; + break; default: break; } @@ -490,8 +523,10 @@ static ssize_t fd_show_configfs_dev_params( ssize_t bl = 0; bl = sprintf(b + bl, "TCM FILEIO ID: %u", fd_dev->fd_dev_id); - bl += sprintf(b + bl, " File: %s Size: %llu Mode: O_DSYNC\n", - fd_dev->fd_dev_name, fd_dev->fd_dev_size); + bl += sprintf(b + bl, " File: %s Size: %llu Mode: %s\n", + fd_dev->fd_dev_name, fd_dev->fd_dev_size, + (fd_dev->fbd_flags & FDBD_HAS_BUFFERED_IO_WCE) ? + "Buffered-WCE" : "O_DSYNC"); return bl; } @@ -546,8 +581,6 @@ static struct se_subsystem_api fileio_template = { .name = "fileio", .owner = THIS_MODULE, .transport_type = TRANSPORT_PLUGIN_VHBA_PDEV, - .write_cache_emulated = 1, - .fua_write_emulated = 1, .attach_hba = fd_attach_hba, .detach_hba = fd_detach_hba, .allocate_virtdevice = fd_allocate_virtdevice, diff --git a/drivers/target/target_core_file.h b/drivers/target/target_core_file.h index 70ce7fd7111d..876ae53ef5b8 100644 --- a/drivers/target/target_core_file.h +++ b/drivers/target/target_core_file.h @@ -14,6 +14,7 @@ #define FBDF_HAS_PATH 0x01 #define FBDF_HAS_SIZE 0x02 +#define FDBD_HAS_BUFFERED_IO_WCE 0x04 struct fd_dev { u32 fbd_flags; diff --git a/drivers/target/target_core_iblock.c b/drivers/target/target_core_iblock.c index 9ba495477fd2..29408d46a6d9 100644 --- a/drivers/target/target_core_iblock.c +++ b/drivers/target/target_core_iblock.c @@ -454,14 +454,11 @@ static ssize_t iblock_set_configfs_dev_params(struct se_hba *hba, ret = -EEXIST; goto out; } - arg_p = match_strdup(&args[0]); - if (!arg_p) { - ret = -ENOMEM; + if (match_strlcpy(ib_dev->ibd_udev_path, &args[0], + SE_UDEV_PATH_LEN) == 0) { + ret = -EINVAL; break; } - snprintf(ib_dev->ibd_udev_path, SE_UDEV_PATH_LEN, - "%s", arg_p); - kfree(arg_p); pr_debug("IBLOCK: Referencing UDEV path: %s\n", ib_dev->ibd_udev_path); ib_dev->ibd_flags |= IBDF_HAS_UDEV_PATH; @@ -657,6 +654,12 @@ static int iblock_execute_rw(struct se_cmd *cmd) goto fail; cmd->priv = ibr; + if (!sgl_nents) { + atomic_set(&ibr->pending, 1); + iblock_complete_cmd(cmd); + return 0; + } + bio = iblock_get_bio(cmd, block_lba, sgl_nents); if (!bio) goto fail_free_ibr; @@ -769,8 +772,6 @@ static struct se_subsystem_api iblock_template = { .name = "iblock", .owner = THIS_MODULE, .transport_type = TRANSPORT_PLUGIN_VHBA_PDEV, - .write_cache_emulated = 1, - .fua_write_emulated = 1, .attach_hba = iblock_attach_hba, .detach_hba = iblock_detach_hba, .allocate_virtdevice = iblock_allocate_virtdevice, diff --git a/drivers/target/target_core_pr.c b/drivers/target/target_core_pr.c index 956c84c6b666..8c323a98c4a0 100644 --- a/drivers/target/target_core_pr.c +++ b/drivers/target/target_core_pr.c @@ -197,10 +197,10 @@ int target_scsi2_reservation_release(struct se_cmd *cmd) { struct se_device *dev = cmd->se_dev; struct se_session *sess = cmd->se_sess; - struct se_portal_group *tpg = sess->se_tpg; + struct se_portal_group *tpg; int ret = 0, rc; - if (!sess || !tpg) + if (!sess || !sess->se_tpg) goto out; rc = target_check_scsi2_reservation_conflict(cmd); if (rc == 1) @@ -228,6 +228,7 @@ int target_scsi2_reservation_release(struct se_cmd *cmd) dev->dev_res_bin_isid = 0; dev->dev_flags &= ~DF_SPC2_RESERVATIONS_WITH_ISID; } + tpg = sess->se_tpg; pr_debug("SCSI-2 Released reservation for %s LUN: %u ->" " MAPPED LUN: %u for %s\n", tpg->se_tpg_tfo->get_fabric_name(), cmd->se_lun->unpacked_lun, cmd->se_deve->mapped_lun, @@ -245,7 +246,7 @@ int target_scsi2_reservation_reserve(struct se_cmd *cmd) { struct se_device *dev = cmd->se_dev; struct se_session *sess = cmd->se_sess; - struct se_portal_group *tpg = sess->se_tpg; + struct se_portal_group *tpg; int ret = 0, rc; if ((cmd->t_task_cdb[1] & 0x01) && @@ -260,7 +261,7 @@ int target_scsi2_reservation_reserve(struct se_cmd *cmd) * This is currently the case for target_core_mod passthrough struct se_cmd * ops */ - if (!sess || !tpg) + if (!sess || !sess->se_tpg) goto out; rc = target_check_scsi2_reservation_conflict(cmd); if (rc == 1) @@ -272,6 +273,7 @@ int target_scsi2_reservation_reserve(struct se_cmd *cmd) } ret = 0; + tpg = sess->se_tpg; spin_lock(&dev->dev_reservation_lock); if (dev->dev_reserved_node_acl && (dev->dev_reserved_node_acl != sess->se_node_acl)) { @@ -1620,7 +1622,7 @@ static int core_scsi3_decode_spec_i_port( goto out; } /* - * Locate the desination initiator ACL to be registered + * Locate the destination initiator ACL to be registered * from the decoded fabric module specific TransportID * at *i_str. */ @@ -4257,7 +4259,7 @@ static int core_scsi3_pri_read_full_status(struct se_cmd *cmd) buf[off++] = ((port->sep_rtpi >> 8) & 0xff); buf[off++] = (port->sep_rtpi & 0xff); } else - off += 2; /* Skip over RELATIVE TARGET PORT IDENTIFER */ + off += 2; /* Skip over RELATIVE TARGET PORT IDENTIFIER */ /* * Now, have the $FABRIC_MOD fill in the protocol identifier diff --git a/drivers/target/target_core_pscsi.c b/drivers/target/target_core_pscsi.c index 9d7ce3daa262..617c086a8a02 100644 --- a/drivers/target/target_core_pscsi.c +++ b/drivers/target/target_core_pscsi.c @@ -264,7 +264,7 @@ pscsi_get_inquiry_vpd_device_ident(struct scsi_device *sdev, " length zero!\n"); break; } - pr_debug("T10 VPD Identifer Length: %d\n", ident_len); + pr_debug("T10 VPD Identifier Length: %d\n", ident_len); vpd = kzalloc(sizeof(struct t10_vpd), GFP_KERNEL); if (!vpd) { diff --git a/drivers/target/target_core_sbc.c b/drivers/target/target_core_sbc.c index a9dd9469e3bd..868f8aa04f13 100644 --- a/drivers/target/target_core_sbc.c +++ b/drivers/target/target_core_sbc.c @@ -40,8 +40,9 @@ static int sbc_emulate_readcapacity(struct se_cmd *cmd) { struct se_device *dev = cmd->se_dev; - unsigned char *buf; unsigned long long blocks_long = dev->transport->get_blocks(dev); + unsigned char *rbuf; + unsigned char buf[8]; u32 blocks; if (blocks_long >= 0x00000000ffffffff) @@ -49,8 +50,6 @@ static int sbc_emulate_readcapacity(struct se_cmd *cmd) else blocks = (u32)blocks_long; - buf = transport_kmap_data_sg(cmd); - buf[0] = (blocks >> 24) & 0xff; buf[1] = (blocks >> 16) & 0xff; buf[2] = (blocks >> 8) & 0xff; @@ -60,7 +59,11 @@ static int sbc_emulate_readcapacity(struct se_cmd *cmd) buf[6] = (dev->se_sub_dev->se_dev_attrib.block_size >> 8) & 0xff; buf[7] = dev->se_sub_dev->se_dev_attrib.block_size & 0xff; - transport_kunmap_data_sg(cmd); + rbuf = transport_kmap_data_sg(cmd); + if (rbuf) { + memcpy(rbuf, buf, min_t(u32, sizeof(buf), cmd->data_length)); + transport_kunmap_data_sg(cmd); + } target_complete_cmd(cmd, GOOD); return 0; @@ -69,11 +72,11 @@ static int sbc_emulate_readcapacity(struct se_cmd *cmd) static int sbc_emulate_readcapacity_16(struct se_cmd *cmd) { struct se_device *dev = cmd->se_dev; - unsigned char *buf; + unsigned char *rbuf; + unsigned char buf[32]; unsigned long long blocks = dev->transport->get_blocks(dev); - buf = transport_kmap_data_sg(cmd); - + memset(buf, 0, sizeof(buf)); buf[0] = (blocks >> 56) & 0xff; buf[1] = (blocks >> 48) & 0xff; buf[2] = (blocks >> 40) & 0xff; @@ -93,7 +96,11 @@ static int sbc_emulate_readcapacity_16(struct se_cmd *cmd) if (dev->se_sub_dev->se_dev_attrib.emulate_tpu || dev->se_sub_dev->se_dev_attrib.emulate_tpws) buf[14] = 0x80; - transport_kunmap_data_sg(cmd); + rbuf = transport_kmap_data_sg(cmd); + if (rbuf) { + memcpy(rbuf, buf, min_t(u32, sizeof(buf), cmd->data_length)); + transport_kunmap_data_sg(cmd); + } target_complete_cmd(cmd, GOOD); return 0; diff --git a/drivers/target/target_core_spc.c b/drivers/target/target_core_spc.c index 388a922c8f6d..9229bd9ad61b 100644 --- a/drivers/target/target_core_spc.c +++ b/drivers/target/target_core_spc.c @@ -600,30 +600,11 @@ static int spc_emulate_inquiry(struct se_cmd *cmd) { struct se_device *dev = cmd->se_dev; struct se_portal_group *tpg = cmd->se_lun->lun_sep->sep_tpg; - unsigned char *buf, *map_buf; + unsigned char *rbuf; unsigned char *cdb = cmd->t_task_cdb; + unsigned char buf[SE_INQUIRY_BUF]; int p, ret; - map_buf = transport_kmap_data_sg(cmd); - /* - * If SCF_PASSTHROUGH_SG_TO_MEM_NOALLOC is not set, then we - * know we actually allocated a full page. Otherwise, if the - * data buffer is too small, allocate a temporary buffer so we - * don't have to worry about overruns in all our INQUIRY - * emulation handling. - */ - if (cmd->data_length < SE_INQUIRY_BUF && - (cmd->se_cmd_flags & SCF_PASSTHROUGH_SG_TO_MEM_NOALLOC)) { - buf = kzalloc(SE_INQUIRY_BUF, GFP_KERNEL); - if (!buf) { - transport_kunmap_data_sg(cmd); - cmd->scsi_sense_reason = TCM_LOGICAL_UNIT_COMMUNICATION_FAILURE; - return -ENOMEM; - } - } else { - buf = map_buf; - } - if (dev == tpg->tpg_virt_lun0.lun_se_dev) buf[0] = 0x3f; /* Not connected */ else @@ -655,11 +636,11 @@ static int spc_emulate_inquiry(struct se_cmd *cmd) ret = -EINVAL; out: - if (buf != map_buf) { - memcpy(map_buf, buf, cmd->data_length); - kfree(buf); + rbuf = transport_kmap_data_sg(cmd); + if (rbuf) { + memcpy(rbuf, buf, min_t(u32, sizeof(buf), cmd->data_length)); + transport_kunmap_data_sg(cmd); } - transport_kunmap_data_sg(cmd); if (!ret) target_complete_cmd(cmd, GOOD); @@ -803,7 +784,7 @@ static int spc_emulate_modesense(struct se_cmd *cmd) unsigned char *rbuf; int type = dev->transport->get_device_type(dev); int ten = (cmd->t_task_cdb[0] == MODE_SENSE_10); - int offset = ten ? 8 : 4; + u32 offset = ten ? 8 : 4; int length = 0; unsigned char buf[SE_MODE_PAGE_BUF]; @@ -836,6 +817,7 @@ static int spc_emulate_modesense(struct se_cmd *cmd) offset -= 2; buf[0] = (offset >> 8) & 0xff; buf[1] = offset & 0xff; + offset += 2; if ((cmd->se_lun->lun_access & TRANSPORT_LUNFLAGS_READ_ONLY) || (cmd->se_deve && @@ -845,13 +827,10 @@ static int spc_emulate_modesense(struct se_cmd *cmd) if ((dev->se_sub_dev->se_dev_attrib.emulate_write_cache > 0) && (dev->se_sub_dev->se_dev_attrib.emulate_fua_write > 0)) spc_modesense_dpofua(&buf[3], type); - - if ((offset + 2) > cmd->data_length) - offset = cmd->data_length; - } else { offset -= 1; buf[0] = offset & 0xff; + offset += 1; if ((cmd->se_lun->lun_access & TRANSPORT_LUNFLAGS_READ_ONLY) || (cmd->se_deve && @@ -861,14 +840,13 @@ static int spc_emulate_modesense(struct se_cmd *cmd) if ((dev->se_sub_dev->se_dev_attrib.emulate_write_cache > 0) && (dev->se_sub_dev->se_dev_attrib.emulate_fua_write > 0)) spc_modesense_dpofua(&buf[2], type); - - if ((offset + 1) > cmd->data_length) - offset = cmd->data_length; } rbuf = transport_kmap_data_sg(cmd); - memcpy(rbuf, buf, offset); - transport_kunmap_data_sg(cmd); + if (rbuf) { + memcpy(rbuf, buf, min(offset, cmd->data_length)); + transport_kunmap_data_sg(cmd); + } target_complete_cmd(cmd, GOOD); return 0; diff --git a/drivers/target/target_core_stat.c b/drivers/target/target_core_stat.c index 3d44beb0cf1f..cb6b0036ae95 100644 --- a/drivers/target/target_core_stat.c +++ b/drivers/target/target_core_stat.c @@ -32,7 +32,6 @@ #include <linux/delay.h> #include <linux/timer.h> #include <linux/string.h> -#include <generated/utsrelease.h> #include <linux/utsname.h> #include <linux/proc_fs.h> #include <linux/seq_file.h> diff --git a/drivers/target/target_core_tpg.c b/drivers/target/target_core_tpg.c index b8628a5014b9..a531fe282b1e 100644 --- a/drivers/target/target_core_tpg.c +++ b/drivers/target/target_core_tpg.c @@ -303,7 +303,7 @@ struct se_node_acl *core_tpg_check_initiator_node_acl( } /* * Here we only create demo-mode MappedLUNs from the active - * TPG LUNs if the fabric is not explictly asking for + * TPG LUNs if the fabric is not explicitly asking for * tpg_check_demo_mode_login_only() == 1. */ if ((tpg->se_tpg_tfo->tpg_check_demo_mode_login_only == NULL) || diff --git a/drivers/target/target_core_transport.c b/drivers/target/target_core_transport.c index 269f54488397..c33baff86aa6 100644 --- a/drivers/target/target_core_transport.c +++ b/drivers/target/target_core_transport.c @@ -55,8 +55,6 @@ #include "target_core_pr.h" #include "target_core_ua.h" -static int sub_api_initialized; - static struct workqueue_struct *target_completion_wq; static struct kmem_cache *se_sess_cache; struct kmem_cache *se_ua_cache; @@ -195,6 +193,7 @@ u32 scsi_get_new_index(scsi_index_t type) void transport_subsystem_check_init(void) { int ret; + static int sub_api_initialized; if (sub_api_initialized) return; @@ -211,12 +210,7 @@ void transport_subsystem_check_init(void) if (ret != 0) pr_err("Unable to load target_core_pscsi\n"); - ret = request_module("target_core_stgt"); - if (ret != 0) - pr_err("Unable to load target_core_stgt\n"); - sub_api_initialized = 1; - return; } struct se_session *transport_init_session(void) @@ -573,9 +567,7 @@ static void target_complete_failure_work(struct work_struct *work) */ static unsigned char *transport_get_sense_buffer(struct se_cmd *cmd) { - unsigned char *buffer = cmd->sense_buffer; struct se_device *dev = cmd->se_dev; - u32 offset = 0; WARN_ON(!cmd->se_lun); @@ -585,14 +577,11 @@ static unsigned char *transport_get_sense_buffer(struct se_cmd *cmd) if (cmd->se_cmd_flags & SCF_SENT_CHECK_CONDITION) return NULL; - offset = cmd->se_tfo->set_fabric_sense_len(cmd, TRANSPORT_SENSE_BUFFER); - - /* Automatically padded */ - cmd->scsi_sense_length = TRANSPORT_SENSE_BUFFER + offset; + cmd->scsi_sense_length = TRANSPORT_SENSE_BUFFER; pr_debug("HBA_[%u]_PLUG[%s]: Requesting sense for SAM STATUS: 0x%02x\n", dev->se_hba->hba_id, dev->transport->name, cmd->scsi_status); - return &buffer[offset]; + return cmd->sense_buffer; } void target_complete_cmd(struct se_cmd *cmd, u8 scsi_status) @@ -969,7 +958,7 @@ int transport_set_vpd_ident(struct t10_vpd *vpd, unsigned char *page_83) { static const char hex_str[] = "0123456789abcdef"; - int j = 0, i = 4; /* offset to start of the identifer */ + int j = 0, i = 4; /* offset to start of the identifier */ /* * The VPD Code Set (encoding) @@ -1466,8 +1455,9 @@ int transport_handle_cdb_direct( } EXPORT_SYMBOL(transport_handle_cdb_direct); -/** - * target_submit_cmd - lookup unpacked lun and submit uninitialized se_cmd +/* + * target_submit_cmd_map_sgls - lookup unpacked lun and submit uninitialized + * se_cmd + use pre-allocated SGL memory. * * @se_cmd: command descriptor to submit * @se_sess: associated se_sess for endpoint @@ -1478,6 +1468,10 @@ EXPORT_SYMBOL(transport_handle_cdb_direct); * @task_addr: SAM task attribute * @data_dir: DMA data direction * @flags: flags for command submission from target_sc_flags_tables + * @sgl: struct scatterlist memory for unidirectional mapping + * @sgl_count: scatterlist count for unidirectional mapping + * @sgl_bidi: struct scatterlist memory for bidirectional READ mapping + * @sgl_bidi_count: scatterlist count for bidirectional READ mapping * * Returns non zero to signal active I/O shutdown failure. All other * setup exceptions will be returned as a SCSI CHECK_CONDITION response, @@ -1485,10 +1479,12 @@ EXPORT_SYMBOL(transport_handle_cdb_direct); * * This may only be called from process context, and also currently * assumes internal allocation of fabric payload buffer by target-core. - **/ -int target_submit_cmd(struct se_cmd *se_cmd, struct se_session *se_sess, + */ +int target_submit_cmd_map_sgls(struct se_cmd *se_cmd, struct se_session *se_sess, unsigned char *cdb, unsigned char *sense, u32 unpacked_lun, - u32 data_length, int task_attr, int data_dir, int flags) + u32 data_length, int task_attr, int data_dir, int flags, + struct scatterlist *sgl, u32 sgl_count, + struct scatterlist *sgl_bidi, u32 sgl_bidi_count) { struct se_portal_group *se_tpg; int rc; @@ -1535,7 +1531,42 @@ int target_submit_cmd(struct se_cmd *se_cmd, struct se_session *se_sess, transport_generic_request_failure(se_cmd); return 0; } + /* + * When a non zero sgl_count has been passed perform SGL passthrough + * mapping for pre-allocated fabric memory instead of having target + * core perform an internal SGL allocation.. + */ + if (sgl_count != 0) { + BUG_ON(!sgl); + + /* + * A work-around for tcm_loop as some userspace code via + * scsi-generic do not memset their associated read buffers, + * so go ahead and do that here for type non-data CDBs. Also + * note that this is currently guaranteed to be a single SGL + * for this case by target core in target_setup_cmd_from_cdb() + * -> transport_generic_cmd_sequencer(). + */ + if (!(se_cmd->se_cmd_flags & SCF_SCSI_DATA_CDB) && + se_cmd->data_direction == DMA_FROM_DEVICE) { + unsigned char *buf = NULL; + + if (sgl) + buf = kmap(sg_page(sgl)) + sgl->offset; + + if (buf) { + memset(buf, 0, sgl->length); + kunmap(sg_page(sgl)); + } + } + rc = transport_generic_map_mem_to_cmd(se_cmd, sgl, sgl_count, + sgl_bidi, sgl_bidi_count); + if (rc != 0) { + transport_generic_request_failure(se_cmd); + return 0; + } + } /* * Check if we need to delay processing because of ALUA * Active/NonOptimized primary access state.. @@ -1545,6 +1576,38 @@ int target_submit_cmd(struct se_cmd *se_cmd, struct se_session *se_sess, transport_handle_cdb_direct(se_cmd); return 0; } +EXPORT_SYMBOL(target_submit_cmd_map_sgls); + +/* + * target_submit_cmd - lookup unpacked lun and submit uninitialized se_cmd + * + * @se_cmd: command descriptor to submit + * @se_sess: associated se_sess for endpoint + * @cdb: pointer to SCSI CDB + * @sense: pointer to SCSI sense buffer + * @unpacked_lun: unpacked LUN to reference for struct se_lun + * @data_length: fabric expected data transfer length + * @task_addr: SAM task attribute + * @data_dir: DMA data direction + * @flags: flags for command submission from target_sc_flags_tables + * + * Returns non zero to signal active I/O shutdown failure. All other + * setup exceptions will be returned as a SCSI CHECK_CONDITION response, + * but still return zero here. + * + * This may only be called from process context, and also currently + * assumes internal allocation of fabric payload buffer by target-core. + * + * It also assumes interal target core SGL memory allocation. + */ +int target_submit_cmd(struct se_cmd *se_cmd, struct se_session *se_sess, + unsigned char *cdb, unsigned char *sense, u32 unpacked_lun, + u32 data_length, int task_attr, int data_dir, int flags) +{ + return target_submit_cmd_map_sgls(se_cmd, se_sess, cdb, sense, + unpacked_lun, data_length, task_attr, data_dir, + flags, NULL, 0, NULL, 0); +} EXPORT_SYMBOL(target_submit_cmd); static void target_complete_tmr_failure(struct work_struct *work) @@ -2300,23 +2363,6 @@ int transport_generic_new_cmd(struct se_cmd *cmd) if (ret < 0) goto out_fail; } - /* - * If this command doesn't have any payload and we don't have to call - * into the fabric for data transfers, go ahead and complete it right - * away. - */ - if (!cmd->data_length && - cmd->t_task_cdb[0] != REQUEST_SENSE && - cmd->se_dev->transport->transport_type != TRANSPORT_PLUGIN_PHBA_PDEV) { - spin_lock_irq(&cmd->t_state_lock); - cmd->t_state = TRANSPORT_COMPLETE; - cmd->transport_state |= CMD_T_ACTIVE; - spin_unlock_irq(&cmd->t_state_lock); - - INIT_WORK(&cmd->work, target_complete_ok_work); - queue_work(target_completion_wq, &cmd->work); - return 0; - } atomic_inc(&cmd->t_fe_count); @@ -2771,7 +2817,7 @@ bool transport_wait_for_tasks(struct se_cmd *cmd) spin_lock_irqsave(&cmd->t_state_lock, flags); cmd->transport_state &= ~(CMD_T_ACTIVE | CMD_T_STOP); - pr_debug("wait_for_tasks: Stopped wait_for_compltion(" + pr_debug("wait_for_tasks: Stopped wait_for_completion(" "&cmd->t_transport_stop_comp) for ITT: 0x%08x\n", cmd->se_tfo->get_task_tag(cmd)); @@ -2810,7 +2856,6 @@ int transport_send_check_condition_and_sense( { unsigned char *buffer = cmd->sense_buffer; unsigned long flags; - int offset; u8 asc = 0, ascq = 0; spin_lock_irqsave(&cmd->t_state_lock, flags); @@ -2826,14 +2871,7 @@ int transport_send_check_condition_and_sense( if (!from_transport) cmd->se_cmd_flags |= SCF_EMULATED_TASK_SENSE; - /* - * Data Segment and SenseLength of the fabric response PDU. - * - * TRANSPORT_SENSE_BUFFER is now set to SCSI_SENSE_BUFFERSIZE - * from include/scsi/scsi_cmnd.h - */ - offset = cmd->se_tfo->set_fabric_sense_len(cmd, - TRANSPORT_SENSE_BUFFER); + /* * Actual SENSE DATA, see SPC-3 7.23.2 SPC_SENSE_KEY_OFFSET uses * SENSE KEY values from include/scsi/scsi.h @@ -2841,151 +2879,151 @@ int transport_send_check_condition_and_sense( switch (reason) { case TCM_NON_EXISTENT_LUN: /* CURRENT ERROR */ - buffer[offset] = 0x70; - buffer[offset+SPC_ADD_SENSE_LEN_OFFSET] = 10; + buffer[0] = 0x70; + buffer[SPC_ADD_SENSE_LEN_OFFSET] = 10; /* ILLEGAL REQUEST */ - buffer[offset+SPC_SENSE_KEY_OFFSET] = ILLEGAL_REQUEST; + buffer[SPC_SENSE_KEY_OFFSET] = ILLEGAL_REQUEST; /* LOGICAL UNIT NOT SUPPORTED */ - buffer[offset+SPC_ASC_KEY_OFFSET] = 0x25; + buffer[SPC_ASC_KEY_OFFSET] = 0x25; break; case TCM_UNSUPPORTED_SCSI_OPCODE: case TCM_SECTOR_COUNT_TOO_MANY: /* CURRENT ERROR */ - buffer[offset] = 0x70; - buffer[offset+SPC_ADD_SENSE_LEN_OFFSET] = 10; + buffer[0] = 0x70; + buffer[SPC_ADD_SENSE_LEN_OFFSET] = 10; /* ILLEGAL REQUEST */ - buffer[offset+SPC_SENSE_KEY_OFFSET] = ILLEGAL_REQUEST; + buffer[SPC_SENSE_KEY_OFFSET] = ILLEGAL_REQUEST; /* INVALID COMMAND OPERATION CODE */ - buffer[offset+SPC_ASC_KEY_OFFSET] = 0x20; + buffer[SPC_ASC_KEY_OFFSET] = 0x20; break; case TCM_UNKNOWN_MODE_PAGE: /* CURRENT ERROR */ - buffer[offset] = 0x70; - buffer[offset+SPC_ADD_SENSE_LEN_OFFSET] = 10; + buffer[0] = 0x70; + buffer[SPC_ADD_SENSE_LEN_OFFSET] = 10; /* ILLEGAL REQUEST */ - buffer[offset+SPC_SENSE_KEY_OFFSET] = ILLEGAL_REQUEST; + buffer[SPC_SENSE_KEY_OFFSET] = ILLEGAL_REQUEST; /* INVALID FIELD IN CDB */ - buffer[offset+SPC_ASC_KEY_OFFSET] = 0x24; + buffer[SPC_ASC_KEY_OFFSET] = 0x24; break; case TCM_CHECK_CONDITION_ABORT_CMD: /* CURRENT ERROR */ - buffer[offset] = 0x70; - buffer[offset+SPC_ADD_SENSE_LEN_OFFSET] = 10; + buffer[0] = 0x70; + buffer[SPC_ADD_SENSE_LEN_OFFSET] = 10; /* ABORTED COMMAND */ - buffer[offset+SPC_SENSE_KEY_OFFSET] = ABORTED_COMMAND; + buffer[SPC_SENSE_KEY_OFFSET] = ABORTED_COMMAND; /* BUS DEVICE RESET FUNCTION OCCURRED */ - buffer[offset+SPC_ASC_KEY_OFFSET] = 0x29; - buffer[offset+SPC_ASCQ_KEY_OFFSET] = 0x03; + buffer[SPC_ASC_KEY_OFFSET] = 0x29; + buffer[SPC_ASCQ_KEY_OFFSET] = 0x03; break; case TCM_INCORRECT_AMOUNT_OF_DATA: /* CURRENT ERROR */ - buffer[offset] = 0x70; - buffer[offset+SPC_ADD_SENSE_LEN_OFFSET] = 10; + buffer[0] = 0x70; + buffer[SPC_ADD_SENSE_LEN_OFFSET] = 10; /* ABORTED COMMAND */ - buffer[offset+SPC_SENSE_KEY_OFFSET] = ABORTED_COMMAND; + buffer[SPC_SENSE_KEY_OFFSET] = ABORTED_COMMAND; /* WRITE ERROR */ - buffer[offset+SPC_ASC_KEY_OFFSET] = 0x0c; + buffer[SPC_ASC_KEY_OFFSET] = 0x0c; /* NOT ENOUGH UNSOLICITED DATA */ - buffer[offset+SPC_ASCQ_KEY_OFFSET] = 0x0d; + buffer[SPC_ASCQ_KEY_OFFSET] = 0x0d; break; case TCM_INVALID_CDB_FIELD: /* CURRENT ERROR */ - buffer[offset] = 0x70; - buffer[offset+SPC_ADD_SENSE_LEN_OFFSET] = 10; + buffer[0] = 0x70; + buffer[SPC_ADD_SENSE_LEN_OFFSET] = 10; /* ILLEGAL REQUEST */ - buffer[offset+SPC_SENSE_KEY_OFFSET] = ILLEGAL_REQUEST; + buffer[SPC_SENSE_KEY_OFFSET] = ILLEGAL_REQUEST; /* INVALID FIELD IN CDB */ - buffer[offset+SPC_ASC_KEY_OFFSET] = 0x24; + buffer[SPC_ASC_KEY_OFFSET] = 0x24; break; case TCM_INVALID_PARAMETER_LIST: /* CURRENT ERROR */ - buffer[offset] = 0x70; - buffer[offset+SPC_ADD_SENSE_LEN_OFFSET] = 10; + buffer[0] = 0x70; + buffer[SPC_ADD_SENSE_LEN_OFFSET] = 10; /* ILLEGAL REQUEST */ - buffer[offset+SPC_SENSE_KEY_OFFSET] = ILLEGAL_REQUEST; + buffer[SPC_SENSE_KEY_OFFSET] = ILLEGAL_REQUEST; /* INVALID FIELD IN PARAMETER LIST */ - buffer[offset+SPC_ASC_KEY_OFFSET] = 0x26; + buffer[SPC_ASC_KEY_OFFSET] = 0x26; break; case TCM_UNEXPECTED_UNSOLICITED_DATA: /* CURRENT ERROR */ - buffer[offset] = 0x70; - buffer[offset+SPC_ADD_SENSE_LEN_OFFSET] = 10; + buffer[0] = 0x70; + buffer[SPC_ADD_SENSE_LEN_OFFSET] = 10; /* ABORTED COMMAND */ - buffer[offset+SPC_SENSE_KEY_OFFSET] = ABORTED_COMMAND; + buffer[SPC_SENSE_KEY_OFFSET] = ABORTED_COMMAND; /* WRITE ERROR */ - buffer[offset+SPC_ASC_KEY_OFFSET] = 0x0c; + buffer[SPC_ASC_KEY_OFFSET] = 0x0c; /* UNEXPECTED_UNSOLICITED_DATA */ - buffer[offset+SPC_ASCQ_KEY_OFFSET] = 0x0c; + buffer[SPC_ASCQ_KEY_OFFSET] = 0x0c; break; case TCM_SERVICE_CRC_ERROR: /* CURRENT ERROR */ - buffer[offset] = 0x70; - buffer[offset+SPC_ADD_SENSE_LEN_OFFSET] = 10; + buffer[0] = 0x70; + buffer[SPC_ADD_SENSE_LEN_OFFSET] = 10; /* ABORTED COMMAND */ - buffer[offset+SPC_SENSE_KEY_OFFSET] = ABORTED_COMMAND; + buffer[SPC_SENSE_KEY_OFFSET] = ABORTED_COMMAND; /* PROTOCOL SERVICE CRC ERROR */ - buffer[offset+SPC_ASC_KEY_OFFSET] = 0x47; + buffer[SPC_ASC_KEY_OFFSET] = 0x47; /* N/A */ - buffer[offset+SPC_ASCQ_KEY_OFFSET] = 0x05; + buffer[SPC_ASCQ_KEY_OFFSET] = 0x05; break; case TCM_SNACK_REJECTED: /* CURRENT ERROR */ - buffer[offset] = 0x70; - buffer[offset+SPC_ADD_SENSE_LEN_OFFSET] = 10; + buffer[0] = 0x70; + buffer[SPC_ADD_SENSE_LEN_OFFSET] = 10; /* ABORTED COMMAND */ - buffer[offset+SPC_SENSE_KEY_OFFSET] = ABORTED_COMMAND; + buffer[SPC_SENSE_KEY_OFFSET] = ABORTED_COMMAND; /* READ ERROR */ - buffer[offset+SPC_ASC_KEY_OFFSET] = 0x11; + buffer[SPC_ASC_KEY_OFFSET] = 0x11; /* FAILED RETRANSMISSION REQUEST */ - buffer[offset+SPC_ASCQ_KEY_OFFSET] = 0x13; + buffer[SPC_ASCQ_KEY_OFFSET] = 0x13; break; case TCM_WRITE_PROTECTED: /* CURRENT ERROR */ - buffer[offset] = 0x70; - buffer[offset+SPC_ADD_SENSE_LEN_OFFSET] = 10; + buffer[0] = 0x70; + buffer[SPC_ADD_SENSE_LEN_OFFSET] = 10; /* DATA PROTECT */ - buffer[offset+SPC_SENSE_KEY_OFFSET] = DATA_PROTECT; + buffer[SPC_SENSE_KEY_OFFSET] = DATA_PROTECT; /* WRITE PROTECTED */ - buffer[offset+SPC_ASC_KEY_OFFSET] = 0x27; + buffer[SPC_ASC_KEY_OFFSET] = 0x27; break; case TCM_ADDRESS_OUT_OF_RANGE: /* CURRENT ERROR */ - buffer[offset] = 0x70; - buffer[offset+SPC_ADD_SENSE_LEN_OFFSET] = 10; + buffer[0] = 0x70; + buffer[SPC_ADD_SENSE_LEN_OFFSET] = 10; /* ILLEGAL REQUEST */ - buffer[offset+SPC_SENSE_KEY_OFFSET] = ILLEGAL_REQUEST; + buffer[SPC_SENSE_KEY_OFFSET] = ILLEGAL_REQUEST; /* LOGICAL BLOCK ADDRESS OUT OF RANGE */ - buffer[offset+SPC_ASC_KEY_OFFSET] = 0x21; + buffer[SPC_ASC_KEY_OFFSET] = 0x21; break; case TCM_CHECK_CONDITION_UNIT_ATTENTION: /* CURRENT ERROR */ - buffer[offset] = 0x70; - buffer[offset+SPC_ADD_SENSE_LEN_OFFSET] = 10; + buffer[0] = 0x70; + buffer[SPC_ADD_SENSE_LEN_OFFSET] = 10; /* UNIT ATTENTION */ - buffer[offset+SPC_SENSE_KEY_OFFSET] = UNIT_ATTENTION; + buffer[SPC_SENSE_KEY_OFFSET] = UNIT_ATTENTION; core_scsi3_ua_for_check_condition(cmd, &asc, &ascq); - buffer[offset+SPC_ASC_KEY_OFFSET] = asc; - buffer[offset+SPC_ASCQ_KEY_OFFSET] = ascq; + buffer[SPC_ASC_KEY_OFFSET] = asc; + buffer[SPC_ASCQ_KEY_OFFSET] = ascq; break; case TCM_CHECK_CONDITION_NOT_READY: /* CURRENT ERROR */ - buffer[offset] = 0x70; - buffer[offset+SPC_ADD_SENSE_LEN_OFFSET] = 10; + buffer[0] = 0x70; + buffer[SPC_ADD_SENSE_LEN_OFFSET] = 10; /* Not Ready */ - buffer[offset+SPC_SENSE_KEY_OFFSET] = NOT_READY; + buffer[SPC_SENSE_KEY_OFFSET] = NOT_READY; transport_get_sense_codes(cmd, &asc, &ascq); - buffer[offset+SPC_ASC_KEY_OFFSET] = asc; - buffer[offset+SPC_ASCQ_KEY_OFFSET] = ascq; + buffer[SPC_ASC_KEY_OFFSET] = asc; + buffer[SPC_ASCQ_KEY_OFFSET] = ascq; break; case TCM_LOGICAL_UNIT_COMMUNICATION_FAILURE: default: /* CURRENT ERROR */ - buffer[offset] = 0x70; - buffer[offset+SPC_ADD_SENSE_LEN_OFFSET] = 10; + buffer[0] = 0x70; + buffer[SPC_ADD_SENSE_LEN_OFFSET] = 10; /* ILLEGAL REQUEST */ - buffer[offset+SPC_SENSE_KEY_OFFSET] = ILLEGAL_REQUEST; + buffer[SPC_SENSE_KEY_OFFSET] = ILLEGAL_REQUEST; /* LOGICAL UNIT COMMUNICATION FAILURE */ - buffer[offset+SPC_ASC_KEY_OFFSET] = 0x80; + buffer[SPC_ASC_KEY_OFFSET] = 0x80; break; } /* @@ -2996,7 +3034,7 @@ int transport_send_check_condition_and_sense( * Automatically padded, this value is encoded in the fabric's * data_length response PDU containing the SCSI defined sense data. */ - cmd->scsi_sense_length = TRANSPORT_SENSE_BUFFER + offset; + cmd->scsi_sense_length = TRANSPORT_SENSE_BUFFER; after_reason: return cmd->se_tfo->queue_status(cmd); diff --git a/drivers/target/tcm_fc/tfc_cmd.c b/drivers/target/tcm_fc/tfc_cmd.c index 823e6922249d..b406f178ff39 100644 --- a/drivers/target/tcm_fc/tfc_cmd.c +++ b/drivers/target/tcm_fc/tfc_cmd.c @@ -19,7 +19,6 @@ #include <linux/module.h> #include <linux/moduleparam.h> -#include <generated/utsrelease.h> #include <linux/utsname.h> #include <linux/init.h> #include <linux/slab.h> diff --git a/drivers/target/tcm_fc/tfc_conf.c b/drivers/target/tcm_fc/tfc_conf.c index 9501844fae2d..b74feb0d5133 100644 --- a/drivers/target/tcm_fc/tfc_conf.c +++ b/drivers/target/tcm_fc/tfc_conf.c @@ -495,16 +495,6 @@ static void ft_set_default_node_attr(struct se_node_acl *se_nacl) { } -static u16 ft_get_fabric_sense_len(void) -{ - return 0; -} - -static u16 ft_set_fabric_sense_len(struct se_cmd *se_cmd, u32 sense_len) -{ - return 0; -} - static u32 ft_tpg_get_inst_index(struct se_portal_group *se_tpg) { struct ft_tpg *tpg = se_tpg->se_tpg_fabric_ptr; @@ -542,8 +532,6 @@ static struct target_core_fabric_ops ft_fabric_ops = { .queue_data_in = ft_queue_data_in, .queue_status = ft_queue_status, .queue_tm_rsp = ft_queue_tm_resp, - .get_fabric_sense_len = ft_get_fabric_sense_len, - .set_fabric_sense_len = ft_set_fabric_sense_len, /* * Setup function pointers for generic logic in * target_core_fabric_configfs.c diff --git a/drivers/target/tcm_fc/tfc_io.c b/drivers/target/tcm_fc/tfc_io.c index ad36ede1a1ea..b6fd4cf42840 100644 --- a/drivers/target/tcm_fc/tfc_io.c +++ b/drivers/target/tcm_fc/tfc_io.c @@ -28,7 +28,6 @@ #include <linux/module.h> #include <linux/moduleparam.h> -#include <generated/utsrelease.h> #include <linux/utsname.h> #include <linux/init.h> #include <linux/slab.h> @@ -328,11 +327,12 @@ drop: */ void ft_invl_hw_context(struct ft_cmd *cmd) { - struct fc_seq *seq = cmd->seq; + struct fc_seq *seq; struct fc_exch *ep = NULL; struct fc_lport *lport = NULL; BUG_ON(!cmd); + seq = cmd->seq; /* Cleanup the DDP context in HW if DDP was setup */ if (cmd->was_ddp_setup && seq) { diff --git a/drivers/target/tcm_fc/tfc_sess.c b/drivers/target/tcm_fc/tfc_sess.c index 3c9e5b57caab..9585010964ec 100644 --- a/drivers/target/tcm_fc/tfc_sess.c +++ b/drivers/target/tcm_fc/tfc_sess.c @@ -19,7 +19,6 @@ #include <linux/module.h> #include <linux/moduleparam.h> -#include <generated/utsrelease.h> #include <linux/utsname.h> #include <linux/init.h> #include <linux/slab.h> |