1 /* 57xx_iscsi_constants.h: Broadcom NetXtreme II iSCSI HSI 2 * 3 * Copyright (c) 2006 - 2010 Broadcom Corporation 4 * 5 * This program is free software; you can redistribute it and/or modify 6 * it under the terms of the GNU General Public License as published by 7 * the Free Software Foundation. 8 * 9 * Written by: Anil Veerabhadrappa (anilgv@broadcom.com) 10 * Maintained by: Eddie Wai (eddie.wai@broadcom.com) 11 */ 12 #ifndef __57XX_ISCSI_CONSTANTS_H_ 13 #define __57XX_ISCSI_CONSTANTS_H_ 14 15 /** 16 * This file defines HSI constants for the iSCSI flows 17 */ 18 19 /* iSCSI request op codes */ 20 #define ISCSI_OPCODE_CLEANUP_REQUEST (7) 21 22 /* iSCSI response/messages op codes */ 23 #define ISCSI_OPCODE_CLEANUP_RESPONSE (0x27) 24 #define ISCSI_OPCODE_NOPOUT_LOCAL_COMPLETION (0) 25 26 /* iSCSI task types */ 27 #define ISCSI_TASK_TYPE_READ (0) 28 #define ISCSI_TASK_TYPE_WRITE (1) 29 #define ISCSI_TASK_TYPE_MPATH (2) 30 31 /* initial CQ sequence numbers */ 32 #define ISCSI_INITIAL_SN (1) 33 34 /* KWQ (kernel work queue) layer codes */ 35 #define ISCSI_KWQE_LAYER_CODE (6) 36 37 /* KWQ (kernel work queue) request op codes */ 38 #define ISCSI_KWQE_OPCODE_OFFLOAD_CONN1 (0) 39 #define ISCSI_KWQE_OPCODE_OFFLOAD_CONN2 (1) 40 #define ISCSI_KWQE_OPCODE_UPDATE_CONN (2) 41 #define ISCSI_KWQE_OPCODE_DESTROY_CONN (3) 42 #define ISCSI_KWQE_OPCODE_INIT1 (4) 43 #define ISCSI_KWQE_OPCODE_INIT2 (5) 44 45 /* KCQ (kernel completion queue) response op codes */ 46 #define ISCSI_KCQE_OPCODE_OFFLOAD_CONN (0x10) 47 #define ISCSI_KCQE_OPCODE_UPDATE_CONN (0x12) 48 #define ISCSI_KCQE_OPCODE_DESTROY_CONN (0x13) 49 #define ISCSI_KCQE_OPCODE_INIT (0x14) 50 #define ISCSI_KCQE_OPCODE_FW_CLEAN_TASK (0x15) 51 #define ISCSI_KCQE_OPCODE_TCP_RESET (0x16) 52 #define ISCSI_KCQE_OPCODE_TCP_SYN (0x17) 53 #define ISCSI_KCQE_OPCODE_TCP_FIN (0X18) 54 #define ISCSI_KCQE_OPCODE_TCP_ERROR (0x19) 55 #define ISCSI_KCQE_OPCODE_CQ_EVENT_NOTIFICATION (0x20) 56 #define ISCSI_KCQE_OPCODE_ISCSI_ERROR (0x21) 57 58 /* KCQ (kernel completion queue) completion status */ 59 #define ISCSI_KCQE_COMPLETION_STATUS_SUCCESS (0x0) 60 #define ISCSI_KCQE_COMPLETION_STATUS_INVALID_OPCODE (0x1) 61 #define ISCSI_KCQE_COMPLETION_STATUS_CTX_ALLOC_FAILURE (0x2) 62 #define ISCSI_KCQE_COMPLETION_STATUS_CTX_FREE_FAILURE (0x3) 63 #define ISCSI_KCQE_COMPLETION_STATUS_NIC_ERROR (0x4) 64 65 #define ISCSI_KCQE_COMPLETION_STATUS_HDR_DIG_ERR (0x5) 66 #define ISCSI_KCQE_COMPLETION_STATUS_DATA_DIG_ERR (0x6) 67 68 #define ISCSI_KCQE_COMPLETION_STATUS_PROTOCOL_ERR_UNEXPECTED_OPCODE (0xa) 69 #define ISCSI_KCQE_COMPLETION_STATUS_PROTOCOL_ERR_OPCODE (0xb) 70 #define ISCSI_KCQE_COMPLETION_STATUS_PROTOCOL_ERR_AHS_LEN (0xc) 71 #define ISCSI_KCQE_COMPLETION_STATUS_PROTOCOL_ERR_ITT (0xd) 72 #define ISCSI_KCQE_COMPLETION_STATUS_PROTOCOL_ERR_STATSN (0xe) 73 74 /* Response */ 75 #define ISCSI_KCQE_COMPLETION_STATUS_PROTOCOL_ERR_EXP_DATASN (0xf) 76 #define ISCSI_KCQE_COMPLETION_STATUS_PROTOCOL_ERR_PEND_R2T (0x10) 77 #define ISCSI_KCQE_COMPLETION_STATUS_PROTOCOL_ERR_DATA_SEG_LEN_IS_ZERO (0x2c) 78 #define ISCSI_KCQE_COMPLETION_STATUS_PROTOCOL_ERR_DATA_SEG_LEN_TOO_BIG (0x2d) 79 #define ISCSI_KCQE_COMPLETION_STATUS_PROTOCOL_ERR_O_U_0 (0x11) 80 #define ISCSI_KCQE_COMPLETION_STATUS_PROTOCOL_ERR_O_U_1 (0x12) 81 #define ISCSI_KCQE_COMPLETION_STATUS_PROTOCOL_ERR_O_U_2 (0x13) 82 #define ISCSI_KCQE_COMPLETION_STATUS_PROTOCOL_ERR_O_U_3 (0x14) 83 #define ISCSI_KCQE_COMPLETION_STATUS_PROTOCOL_ERR_O_U_4 (0x15) 84 #define ISCSI_KCQE_COMPLETION_STATUS_PROTOCOL_ERR_O_U_5 (0x16) 85 #define ISCSI_KCQE_COMPLETION_STATUS_PROTOCOL_ERR_O_U_6 (0x17) 86 87 /* Data-In */ 88 #define ISCSI_KCQE_COMPLETION_STATUS_PROTOCOL_ERR_REMAIN_RCV_LEN (0x18) 89 #define ISCSI_KCQE_COMPLETION_STATUS_PROTOCOL_ERR_MAX_RCV_PDU_LEN (0x19) 90 #define ISCSI_KCQE_COMPLETION_STATUS_PROTOCOL_ERR_F_BIT_ZERO (0x1a) 91 #define ISCSI_KCQE_COMPLETION_STATUS_PROTOCOL_ERR_TTT_NOT_RSRV (0x1b) 92 #define ISCSI_KCQE_COMPLETION_STATUS_PROTOCOL_ERR_DATASN (0x1c) 93 #define ISCSI_KCQE_COMPLETION_STATUS_PROTOCOL_ERR_REMAIN_BURST_LEN (0x1d) 94 95 /* R2T */ 96 #define ISCSI_KCQE_COMPLETION_STATUS_PROTOCOL_ERR_BUFFER_OFF (0x1f) 97 #define ISCSI_KCQE_COMPLETION_STATUS_PROTOCOL_ERR_LUN (0x20) 98 #define ISCSI_KCQE_COMPLETION_STATUS_PROTOCOL_ERR_R2TSN (0x21) 99 #define ISCSI_KCQE_COMPLETION_STATUS_PROTOCOL_ERR_DESIRED_DATA_TRNS_LEN_0 (0x22) 100 #define ISCSI_KCQE_COMPLETION_STATUS_PROTOCOL_ERR_DESIRED_DATA_TRNS_LEN_1 (0x23) 101 #define ISCSI_KCQE_COMPLETION_STATUS_PROTOCOL_ERR_PEND_R2T_EXCEED (0x24) 102 #define ISCSI_KCQE_COMPLETION_STATUS_PROTOCOL_ERR_TTT_IS_RSRV (0x25) 103 #define ISCSI_KCQE_COMPLETION_STATUS_PROTOCOL_ERR_MAX_BURST_LEN (0x26) 104 #define ISCSI_KCQE_COMPLETION_STATUS_PROTOCOL_ERR_DATA_SEG_LEN_NOT_ZERO (0x27) 105 106 /* TMF */ 107 #define ISCSI_KCQE_COMPLETION_STATUS_PROTOCOL_ERR_REJECT_PDU_LEN (0x28) 108 #define ISCSI_KCQE_COMPLETION_STATUS_PROTOCOL_ERR_ASYNC_PDU_LEN (0x29) 109 #define ISCSI_KCQE_COMPLETION_STATUS_PROTOCOL_ERR_NOPIN_PDU_LEN (0x2a) 110 #define ISCSI_KCQE_COMPLETION_STATUS_PROTOCOL_ERR_PEND_R2T_IN_CLEANUP (0x2b) 111 112 /* IP/TCP processing errors: */ 113 #define ISCI_KCQE_COMPLETION_STATUS_TCP_ERROR_IP_FRAGMENT (0x40) 114 #define ISCI_KCQE_COMPLETION_STATUS_TCP_ERROR_IP_OPTIONS (0x41) 115 #define ISCI_KCQE_COMPLETION_STATUS_TCP_ERROR_URGENT_FLAG (0x42) 116 #define ISCI_KCQE_COMPLETION_STATUS_TCP_ERROR_MAX_RTRANS (0x43) 117 118 /* iSCSI licensing errors */ 119 /* general iSCSI license not installed */ 120 #define ISCSI_KCQE_COMPLETION_STATUS_ISCSI_NOT_SUPPORTED (0x50) 121 /* additional LOM specific iSCSI license not installed */ 122 #define ISCSI_KCQE_COMPLETION_STATUS_LOM_ISCSI_NOT_ENABLED (0x51) 123 124 #define ISCSI_KCQE_COMPLETION_STATUS_CID_BUSY (0x80) 125 126 /* SQ/RQ/CQ DB structure sizes */ 127 #define ISCSI_SQ_DB_SIZE (16) 128 #define ISCSI_RQ_DB_SIZE (16) 129 #define ISCSI_CQ_DB_SIZE (80) 130 131 #define ISCSI_SQN_TO_NOTIFY_NOT_VALID 0xFFFF 132 133 /* Page size codes (for flags field in connection offload request) */ 134 #define ISCSI_PAGE_SIZE_256 (0) 135 #define ISCSI_PAGE_SIZE_512 (1) 136 #define ISCSI_PAGE_SIZE_1K (2) 137 #define ISCSI_PAGE_SIZE_2K (3) 138 #define ISCSI_PAGE_SIZE_4K (4) 139 #define ISCSI_PAGE_SIZE_8K (5) 140 #define ISCSI_PAGE_SIZE_16K (6) 141 #define ISCSI_PAGE_SIZE_32K (7) 142 #define ISCSI_PAGE_SIZE_64K (8) 143 #define ISCSI_PAGE_SIZE_128K (9) 144 #define ISCSI_PAGE_SIZE_256K (10) 145 #define ISCSI_PAGE_SIZE_512K (11) 146 #define ISCSI_PAGE_SIZE_1M (12) 147 #define ISCSI_PAGE_SIZE_2M (13) 148 #define ISCSI_PAGE_SIZE_4M (14) 149 #define ISCSI_PAGE_SIZE_8M (15) 150 151 /* Iscsi PDU related defines */ 152 #define ISCSI_HEADER_SIZE (48) 153 #define ISCSI_DIGEST_SHIFT (2) 154 #define ISCSI_DIGEST_SIZE (4) 155 156 #define B577XX_ISCSI_CONNECTION_TYPE 3 157 158 #endif /*__57XX_ISCSI_CONSTANTS_H_ */ 159