/* * QLogic NetXtreme II iSCSI offload driver. * Copyright (c) 2003-2014 QLogic Corporation * * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by * the Free Software Foundation. */ #ifndef __57XX_ISCSI_CONSTANTS_H_ #define __57XX_ISCSI_CONSTANTS_H_ /** * This file defines HSI constants for the iSCSI flows */ /* iSCSI request op codes */ #define ISCSI_OPCODE_CLEANUP_REQUEST (7) /* iSCSI response/messages op codes */ #define ISCSI_OPCODE_CLEANUP_RESPONSE (0x27) #define ISCSI_OPCODE_NOPOUT_LOCAL_COMPLETION (0) /* iSCSI task types */ #define ISCSI_TASK_TYPE_READ (0) #define ISCSI_TASK_TYPE_WRITE (1) #define ISCSI_TASK_TYPE_MPATH (2) /* initial CQ sequence numbers */ #define ISCSI_INITIAL_SN (1) /* KWQ (kernel work queue) layer codes */ #define ISCSI_KWQE_LAYER_CODE (6) /* KWQ (kernel work queue) request op codes */ #define ISCSI_KWQE_OPCODE_OFFLOAD_CONN1 (0) #define ISCSI_KWQE_OPCODE_OFFLOAD_CONN2 (1) #define ISCSI_KWQE_OPCODE_UPDATE_CONN (2) #define ISCSI_KWQE_OPCODE_DESTROY_CONN (3) #define ISCSI_KWQE_OPCODE_INIT1 (4) #define ISCSI_KWQE_OPCODE_INIT2 (5) /* KCQ (kernel completion queue) response op codes */ #define ISCSI_KCQE_OPCODE_OFFLOAD_CONN (0x10) #define ISCSI_KCQE_OPCODE_UPDATE_CONN (0x12) #define ISCSI_KCQE_OPCODE_DESTROY_CONN (0x13) #define ISCSI_KCQE_OPCODE_INIT (0x14) #define ISCSI_KCQE_OPCODE_FW_CLEAN_TASK (0x15) #define ISCSI_KCQE_OPCODE_TCP_RESET (0x16) #define ISCSI_KCQE_OPCODE_TCP_SYN (0x17) #define ISCSI_KCQE_OPCODE_TCP_FIN (0X18) #define ISCSI_KCQE_OPCODE_TCP_ERROR (0x19) #define ISCSI_KCQE_OPCODE_CQ_EVENT_NOTIFICATION (0x20) #define ISCSI_KCQE_OPCODE_ISCSI_ERROR (0x21) /* KCQ (kernel completion queue) completion status */ #define ISCSI_KCQE_COMPLETION_STATUS_SUCCESS (0x0) #define ISCSI_KCQE_COMPLETION_STATUS_INVALID_OPCODE (0x1) #define ISCSI_KCQE_COMPLETION_STATUS_CTX_ALLOC_FAILURE (0x2) #define ISCSI_KCQE_COMPLETION_STATUS_CTX_FREE_FAILURE (0x3) #define ISCSI_KCQE_COMPLETION_STATUS_NIC_ERROR (0x4) #define ISCSI_KCQE_COMPLETION_STATUS_HDR_DIG_ERR (0x5) #define ISCSI_KCQE_COMPLETION_STATUS_DATA_DIG_ERR (0x6) #define ISCSI_KCQE_COMPLETION_STATUS_PROTOCOL_ERR_UNEXPECTED_OPCODE (0xa) #define ISCSI_KCQE_COMPLETION_STATUS_PROTOCOL_ERR_OPCODE (0xb) #define ISCSI_KCQE_COMPLETION_STATUS_PROTOCOL_ERR_AHS_LEN (0xc) #define ISCSI_KCQE_COMPLETION_STATUS_PROTOCOL_ERR_ITT (0xd) #define ISCSI_KCQE_COMPLETION_STATUS_PROTOCOL_ERR_STATSN (0xe) /* Response */ #define ISCSI_KCQE_COMPLETION_STATUS_PROTOCOL_ERR_EXP_DATASN (0xf) #define ISCSI_KCQE_COMPLETION_STATUS_PROTOCOL_ERR_PEND_R2T (0x10) #define ISCSI_KCQE_COMPLETION_STATUS_PROTOCOL_ERR_DATA_SEG_LEN_IS_ZERO (0x2c) #define ISCSI_KCQE_COMPLETION_STATUS_PROTOCOL_ERR_DATA_SEG_LEN_TOO_BIG (0x2d) #define ISCSI_KCQE_COMPLETION_STATUS_PROTOCOL_ERR_O_U_0 (0x11) #define ISCSI_KCQE_COMPLETION_STATUS_PROTOCOL_ERR_O_U_1 (0x12) #define ISCSI_KCQE_COMPLETION_STATUS_PROTOCOL_ERR_O_U_2 (0x13) #define ISCSI_KCQE_COMPLETION_STATUS_PROTOCOL_ERR_O_U_3 (0x14) #define ISCSI_KCQE_COMPLETION_STATUS_PROTOCOL_ERR_O_U_4 (0x15) #define ISCSI_KCQE_COMPLETION_STATUS_PROTOCOL_ERR_O_U_5 (0x16) #define ISCSI_KCQE_COMPLETION_STATUS_PROTOCOL_ERR_O_U_6 (0x17) /* Data-In */ #define ISCSI_KCQE_COMPLETION_STATUS_PROTOCOL_ERR_REMAIN_RCV_LEN (0x18) #define ISCSI_KCQE_COMPLETION_STATUS_PROTOCOL_ERR_MAX_RCV_PDU_LEN (0x19) #define ISCSI_KCQE_COMPLETION_STATUS_PROTOCOL_ERR_F_BIT_ZERO (0x1a) #define ISCSI_KCQE_COMPLETION_STATUS_PROTOCOL_ERR_TTT_NOT_RSRV (0x1b) #define ISCSI_KCQE_COMPLETION_STATUS_PROTOCOL_ERR_DATASN (0x1c) #define ISCSI_KCQE_COMPLETION_STATUS_PROTOCOL_ERR_REMAIN_BURST_LEN (0x1d) /* R2T */ #define ISCSI_KCQE_COMPLETION_STATUS_PROTOCOL_ERR_BUFFER_OFF (0x1f) #define ISCSI_KCQE_COMPLETION_STATUS_PROTOCOL_ERR_LUN (0x20) #define ISCSI_KCQE_COMPLETION_STATUS_PROTOCOL_ERR_R2TSN (0x21) #define ISCSI_KCQE_COMPLETION_STATUS_PROTOCOL_ERR_DESIRED_DATA_TRNS_LEN_0 (0x22) #define ISCSI_KCQE_COMPLETION_STATUS_PROTOCOL_ERR_DESIRED_DATA_TRNS_LEN_1 (0x23) #define ISCSI_KCQE_COMPLETION_STATUS_PROTOCOL_ERR_PEND_R2T_EXCEED (0x24) #define ISCSI_KCQE_COMPLETION_STATUS_PROTOCOL_ERR_TTT_IS_RSRV (0x25) #define ISCSI_KCQE_COMPLETION_STATUS_PROTOCOL_ERR_MAX_BURST_LEN (0x26) #define ISCSI_KCQE_COMPLETION_STATUS_PROTOCOL_ERR_DATA_SEG_LEN_NOT_ZERO (0x27) /* TMF */ #define ISCSI_KCQE_COMPLETION_STATUS_PROTOCOL_ERR_REJECT_PDU_LEN (0x28) #define ISCSI_KCQE_COMPLETION_STATUS_PROTOCOL_ERR_ASYNC_PDU_LEN (0x29) #define ISCSI_KCQE_COMPLETION_STATUS_PROTOCOL_ERR_NOPIN_PDU_LEN (0x2a) #define ISCSI_KCQE_COMPLETION_STATUS_PROTOCOL_ERR_PEND_R2T_IN_CLEANUP (0x2b) /* IP/TCP processing errors: */ #define ISCI_KCQE_COMPLETION_STATUS_TCP_ERROR_IP_FRAGMENT (0x40) #define ISCI_KCQE_COMPLETION_STATUS_TCP_ERROR_IP_OPTIONS (0x41) #define ISCI_KCQE_COMPLETION_STATUS_TCP_ERROR_URGENT_FLAG (0x42) #define ISCI_KCQE_COMPLETION_STATUS_TCP_ERROR_MAX_RTRANS (0x43) /* iSCSI licensing errors */ /* general iSCSI license not installed */ #define ISCSI_KCQE_COMPLETION_STATUS_ISCSI_NOT_SUPPORTED (0x50) /* additional LOM specific iSCSI license not installed */ #define ISCSI_KCQE_COMPLETION_STATUS_LOM_ISCSI_NOT_ENABLED (0x51) #define ISCSI_KCQE_COMPLETION_STATUS_CID_BUSY (0x80) /* SQ/RQ/CQ DB structure sizes */ #define ISCSI_SQ_DB_SIZE (16) #define ISCSI_RQ_DB_SIZE (64) #define ISCSI_CQ_DB_SIZE (80) #define ISCSI_SQN_TO_NOTIFY_NOT_VALID 0xFFFF /* Page size codes (for flags field in connection offload request) */ #define ISCSI_PAGE_SIZE_256 (0) #define ISCSI_PAGE_SIZE_512 (1) #define ISCSI_PAGE_SIZE_1K (2) #define ISCSI_PAGE_SIZE_2K (3) #define ISCSI_PAGE_SIZE_4K (4) #define ISCSI_PAGE_SIZE_8K (5) #define ISCSI_PAGE_SIZE_16K (6) #define ISCSI_PAGE_SIZE_32K (7) #define ISCSI_PAGE_SIZE_64K (8) #define ISCSI_PAGE_SIZE_128K (9) #define ISCSI_PAGE_SIZE_256K (10) #define ISCSI_PAGE_SIZE_512K (11) #define ISCSI_PAGE_SIZE_1M (12) #define ISCSI_PAGE_SIZE_2M (13) #define ISCSI_PAGE_SIZE_4M (14) #define ISCSI_PAGE_SIZE_8M (15) /* Iscsi PDU related defines */ #define ISCSI_HEADER_SIZE (48) #define ISCSI_DIGEST_SHIFT (2) #define ISCSI_DIGEST_SIZE (4) #define B577XX_ISCSI_CONNECTION_TYPE 3 #endif /*__57XX_ISCSI_CONSTANTS_H_ */