1 /* 57xx_iscsi_constants.h: QLogic NetXtreme II iSCSI HSI 2 * 3 * Copyright (c) 2006 - 2013 Broadcom Corporation 4 * Copyright (c) 2014, QLogic Corporation 5 * 6 * This program is free software; you can redistribute it and/or modify 7 * it under the terms of the GNU General Public License as published by 8 * the Free Software Foundation. 9 * 10 * Written by: Anil Veerabhadrappa (anilgv@broadcom.com) 11 * Previously Maintained by: Eddie Wai (eddie.wai@broadcom.com) 12 * Maintained by: QLogic-Storage-Upstream@qlogic.com 13 */ 14 #ifndef __57XX_ISCSI_CONSTANTS_H_ 15 #define __57XX_ISCSI_CONSTANTS_H_ 16 17 /** 18 * This file defines HSI constants for the iSCSI flows 19 */ 20 21 /* iSCSI request op codes */ 22 #define ISCSI_OPCODE_CLEANUP_REQUEST (7) 23 24 /* iSCSI response/messages op codes */ 25 #define ISCSI_OPCODE_CLEANUP_RESPONSE (0x27) 26 #define ISCSI_OPCODE_NOPOUT_LOCAL_COMPLETION (0) 27 28 /* iSCSI task types */ 29 #define ISCSI_TASK_TYPE_READ (0) 30 #define ISCSI_TASK_TYPE_WRITE (1) 31 #define ISCSI_TASK_TYPE_MPATH (2) 32 33 /* initial CQ sequence numbers */ 34 #define ISCSI_INITIAL_SN (1) 35 36 /* KWQ (kernel work queue) layer codes */ 37 #define ISCSI_KWQE_LAYER_CODE (6) 38 39 /* KWQ (kernel work queue) request op codes */ 40 #define ISCSI_KWQE_OPCODE_OFFLOAD_CONN1 (0) 41 #define ISCSI_KWQE_OPCODE_OFFLOAD_CONN2 (1) 42 #define ISCSI_KWQE_OPCODE_UPDATE_CONN (2) 43 #define ISCSI_KWQE_OPCODE_DESTROY_CONN (3) 44 #define ISCSI_KWQE_OPCODE_INIT1 (4) 45 #define ISCSI_KWQE_OPCODE_INIT2 (5) 46 47 /* KCQ (kernel completion queue) response op codes */ 48 #define ISCSI_KCQE_OPCODE_OFFLOAD_CONN (0x10) 49 #define ISCSI_KCQE_OPCODE_UPDATE_CONN (0x12) 50 #define ISCSI_KCQE_OPCODE_DESTROY_CONN (0x13) 51 #define ISCSI_KCQE_OPCODE_INIT (0x14) 52 #define ISCSI_KCQE_OPCODE_FW_CLEAN_TASK (0x15) 53 #define ISCSI_KCQE_OPCODE_TCP_RESET (0x16) 54 #define ISCSI_KCQE_OPCODE_TCP_SYN (0x17) 55 #define ISCSI_KCQE_OPCODE_TCP_FIN (0X18) 56 #define ISCSI_KCQE_OPCODE_TCP_ERROR (0x19) 57 #define ISCSI_KCQE_OPCODE_CQ_EVENT_NOTIFICATION (0x20) 58 #define ISCSI_KCQE_OPCODE_ISCSI_ERROR (0x21) 59 60 /* KCQ (kernel completion queue) completion status */ 61 #define ISCSI_KCQE_COMPLETION_STATUS_SUCCESS (0x0) 62 #define ISCSI_KCQE_COMPLETION_STATUS_INVALID_OPCODE (0x1) 63 #define ISCSI_KCQE_COMPLETION_STATUS_CTX_ALLOC_FAILURE (0x2) 64 #define ISCSI_KCQE_COMPLETION_STATUS_CTX_FREE_FAILURE (0x3) 65 #define ISCSI_KCQE_COMPLETION_STATUS_NIC_ERROR (0x4) 66 67 #define ISCSI_KCQE_COMPLETION_STATUS_HDR_DIG_ERR (0x5) 68 #define ISCSI_KCQE_COMPLETION_STATUS_DATA_DIG_ERR (0x6) 69 70 #define ISCSI_KCQE_COMPLETION_STATUS_PROTOCOL_ERR_UNEXPECTED_OPCODE (0xa) 71 #define ISCSI_KCQE_COMPLETION_STATUS_PROTOCOL_ERR_OPCODE (0xb) 72 #define ISCSI_KCQE_COMPLETION_STATUS_PROTOCOL_ERR_AHS_LEN (0xc) 73 #define ISCSI_KCQE_COMPLETION_STATUS_PROTOCOL_ERR_ITT (0xd) 74 #define ISCSI_KCQE_COMPLETION_STATUS_PROTOCOL_ERR_STATSN (0xe) 75 76 /* Response */ 77 #define ISCSI_KCQE_COMPLETION_STATUS_PROTOCOL_ERR_EXP_DATASN (0xf) 78 #define ISCSI_KCQE_COMPLETION_STATUS_PROTOCOL_ERR_PEND_R2T (0x10) 79 #define ISCSI_KCQE_COMPLETION_STATUS_PROTOCOL_ERR_DATA_SEG_LEN_IS_ZERO (0x2c) 80 #define ISCSI_KCQE_COMPLETION_STATUS_PROTOCOL_ERR_DATA_SEG_LEN_TOO_BIG (0x2d) 81 #define ISCSI_KCQE_COMPLETION_STATUS_PROTOCOL_ERR_O_U_0 (0x11) 82 #define ISCSI_KCQE_COMPLETION_STATUS_PROTOCOL_ERR_O_U_1 (0x12) 83 #define ISCSI_KCQE_COMPLETION_STATUS_PROTOCOL_ERR_O_U_2 (0x13) 84 #define ISCSI_KCQE_COMPLETION_STATUS_PROTOCOL_ERR_O_U_3 (0x14) 85 #define ISCSI_KCQE_COMPLETION_STATUS_PROTOCOL_ERR_O_U_4 (0x15) 86 #define ISCSI_KCQE_COMPLETION_STATUS_PROTOCOL_ERR_O_U_5 (0x16) 87 #define ISCSI_KCQE_COMPLETION_STATUS_PROTOCOL_ERR_O_U_6 (0x17) 88 89 /* Data-In */ 90 #define ISCSI_KCQE_COMPLETION_STATUS_PROTOCOL_ERR_REMAIN_RCV_LEN (0x18) 91 #define ISCSI_KCQE_COMPLETION_STATUS_PROTOCOL_ERR_MAX_RCV_PDU_LEN (0x19) 92 #define ISCSI_KCQE_COMPLETION_STATUS_PROTOCOL_ERR_F_BIT_ZERO (0x1a) 93 #define ISCSI_KCQE_COMPLETION_STATUS_PROTOCOL_ERR_TTT_NOT_RSRV (0x1b) 94 #define ISCSI_KCQE_COMPLETION_STATUS_PROTOCOL_ERR_DATASN (0x1c) 95 #define ISCSI_KCQE_COMPLETION_STATUS_PROTOCOL_ERR_REMAIN_BURST_LEN (0x1d) 96 97 /* R2T */ 98 #define ISCSI_KCQE_COMPLETION_STATUS_PROTOCOL_ERR_BUFFER_OFF (0x1f) 99 #define ISCSI_KCQE_COMPLETION_STATUS_PROTOCOL_ERR_LUN (0x20) 100 #define ISCSI_KCQE_COMPLETION_STATUS_PROTOCOL_ERR_R2TSN (0x21) 101 #define ISCSI_KCQE_COMPLETION_STATUS_PROTOCOL_ERR_DESIRED_DATA_TRNS_LEN_0 (0x22) 102 #define ISCSI_KCQE_COMPLETION_STATUS_PROTOCOL_ERR_DESIRED_DATA_TRNS_LEN_1 (0x23) 103 #define ISCSI_KCQE_COMPLETION_STATUS_PROTOCOL_ERR_PEND_R2T_EXCEED (0x24) 104 #define ISCSI_KCQE_COMPLETION_STATUS_PROTOCOL_ERR_TTT_IS_RSRV (0x25) 105 #define ISCSI_KCQE_COMPLETION_STATUS_PROTOCOL_ERR_MAX_BURST_LEN (0x26) 106 #define ISCSI_KCQE_COMPLETION_STATUS_PROTOCOL_ERR_DATA_SEG_LEN_NOT_ZERO (0x27) 107 108 /* TMF */ 109 #define ISCSI_KCQE_COMPLETION_STATUS_PROTOCOL_ERR_REJECT_PDU_LEN (0x28) 110 #define ISCSI_KCQE_COMPLETION_STATUS_PROTOCOL_ERR_ASYNC_PDU_LEN (0x29) 111 #define ISCSI_KCQE_COMPLETION_STATUS_PROTOCOL_ERR_NOPIN_PDU_LEN (0x2a) 112 #define ISCSI_KCQE_COMPLETION_STATUS_PROTOCOL_ERR_PEND_R2T_IN_CLEANUP (0x2b) 113 114 /* IP/TCP processing errors: */ 115 #define ISCI_KCQE_COMPLETION_STATUS_TCP_ERROR_IP_FRAGMENT (0x40) 116 #define ISCI_KCQE_COMPLETION_STATUS_TCP_ERROR_IP_OPTIONS (0x41) 117 #define ISCI_KCQE_COMPLETION_STATUS_TCP_ERROR_URGENT_FLAG (0x42) 118 #define ISCI_KCQE_COMPLETION_STATUS_TCP_ERROR_MAX_RTRANS (0x43) 119 120 /* iSCSI licensing errors */ 121 /* general iSCSI license not installed */ 122 #define ISCSI_KCQE_COMPLETION_STATUS_ISCSI_NOT_SUPPORTED (0x50) 123 /* additional LOM specific iSCSI license not installed */ 124 #define ISCSI_KCQE_COMPLETION_STATUS_LOM_ISCSI_NOT_ENABLED (0x51) 125 126 #define ISCSI_KCQE_COMPLETION_STATUS_CID_BUSY (0x80) 127 #define ISCSI_KCQE_COMPLETION_STATUS_PARITY_ERR (0x81) 128 129 /* SQ/RQ/CQ DB structure sizes */ 130 #define ISCSI_SQ_DB_SIZE (16) 131 #define ISCSI_RQ_DB_SIZE (64) 132 #define ISCSI_CQ_DB_SIZE (80) 133 134 #define ISCSI_SQN_TO_NOTIFY_NOT_VALID 0xFFFF 135 136 /* Page size codes (for flags field in connection offload request) */ 137 #define ISCSI_PAGE_SIZE_256 (0) 138 #define ISCSI_PAGE_SIZE_512 (1) 139 #define ISCSI_PAGE_SIZE_1K (2) 140 #define ISCSI_PAGE_SIZE_2K (3) 141 #define ISCSI_PAGE_SIZE_4K (4) 142 #define ISCSI_PAGE_SIZE_8K (5) 143 #define ISCSI_PAGE_SIZE_16K (6) 144 #define ISCSI_PAGE_SIZE_32K (7) 145 #define ISCSI_PAGE_SIZE_64K (8) 146 #define ISCSI_PAGE_SIZE_128K (9) 147 #define ISCSI_PAGE_SIZE_256K (10) 148 #define ISCSI_PAGE_SIZE_512K (11) 149 #define ISCSI_PAGE_SIZE_1M (12) 150 #define ISCSI_PAGE_SIZE_2M (13) 151 #define ISCSI_PAGE_SIZE_4M (14) 152 #define ISCSI_PAGE_SIZE_8M (15) 153 154 /* Iscsi PDU related defines */ 155 #define ISCSI_HEADER_SIZE (48) 156 #define ISCSI_DIGEST_SHIFT (2) 157 #define ISCSI_DIGEST_SIZE (4) 158 159 #define B577XX_ISCSI_CONNECTION_TYPE 3 160 161 #endif /*__57XX_ISCSI_CONSTANTS_H_ */ 162