| Michael Chan | cf4e636 | 2009-06-08 18:14:44 -0700 | [diff] [blame^] | 1 | /* 57xx_iscsi_constants.h: Broadcom NetXtreme II iSCSI HSI |
| 2 | * |
| 3 | * Copyright (c) 2006 - 2009 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 | */ |
| 11 | #ifndef __57XX_ISCSI_CONSTANTS_H_ |
| 12 | #define __57XX_ISCSI_CONSTANTS_H_ |
| 13 | |
| 14 | /** |
| 15 | * This file defines HSI constants for the iSCSI flows |
| 16 | */ |
| 17 | |
| 18 | /* iSCSI request op codes */ |
| 19 | #define ISCSI_OPCODE_CLEANUP_REQUEST (7) |
| 20 | |
| 21 | /* iSCSI response/messages op codes */ |
| 22 | #define ISCSI_OPCODE_CLEANUP_RESPONSE (0x27) |
| 23 | #define ISCSI_OPCODE_NOPOUT_LOCAL_COMPLETION (0) |
| 24 | |
| 25 | /* iSCSI task types */ |
| 26 | #define ISCSI_TASK_TYPE_READ (0) |
| 27 | #define ISCSI_TASK_TYPE_WRITE (1) |
| 28 | #define ISCSI_TASK_TYPE_MPATH (2) |
| 29 | |
| 30 | /* initial CQ sequence numbers */ |
| 31 | #define ISCSI_INITIAL_SN (1) |
| 32 | |
| 33 | /* KWQ (kernel work queue) layer codes */ |
| 34 | #define ISCSI_KWQE_LAYER_CODE (6) |
| 35 | |
| 36 | /* KWQ (kernel work queue) request op codes */ |
| 37 | #define ISCSI_KWQE_OPCODE_OFFLOAD_CONN1 (0) |
| 38 | #define ISCSI_KWQE_OPCODE_OFFLOAD_CONN2 (1) |
| 39 | #define ISCSI_KWQE_OPCODE_UPDATE_CONN (2) |
| 40 | #define ISCSI_KWQE_OPCODE_DESTROY_CONN (3) |
| 41 | #define ISCSI_KWQE_OPCODE_INIT1 (4) |
| 42 | #define ISCSI_KWQE_OPCODE_INIT2 (5) |
| 43 | |
| 44 | /* KCQ (kernel completion queue) response op codes */ |
| 45 | #define ISCSI_KCQE_OPCODE_OFFLOAD_CONN (0x10) |
| 46 | #define ISCSI_KCQE_OPCODE_UPDATE_CONN (0x12) |
| 47 | #define ISCSI_KCQE_OPCODE_DESTROY_CONN (0x13) |
| 48 | #define ISCSI_KCQE_OPCODE_INIT (0x14) |
| 49 | #define ISCSI_KCQE_OPCODE_FW_CLEAN_TASK (0x15) |
| 50 | #define ISCSI_KCQE_OPCODE_TCP_RESET (0x16) |
| 51 | #define ISCSI_KCQE_OPCODE_TCP_SYN (0x17) |
| 52 | #define ISCSI_KCQE_OPCODE_TCP_FIN (0X18) |
| 53 | #define ISCSI_KCQE_OPCODE_TCP_ERROR (0x19) |
| 54 | #define ISCSI_KCQE_OPCODE_CQ_EVENT_NOTIFICATION (0x20) |
| 55 | #define ISCSI_KCQE_OPCODE_ISCSI_ERROR (0x21) |
| 56 | |
| 57 | /* KCQ (kernel completion queue) completion status */ |
| 58 | #define ISCSI_KCQE_COMPLETION_STATUS_SUCCESS (0x0) |
| 59 | #define ISCSI_KCQE_COMPLETION_STATUS_INVALID_OPCODE (0x1) |
| 60 | #define ISCSI_KCQE_COMPLETION_STATUS_CTX_ALLOC_FAILURE (0x2) |
| 61 | #define ISCSI_KCQE_COMPLETION_STATUS_CTX_FREE_FAILURE (0x3) |
| 62 | #define ISCSI_KCQE_COMPLETION_STATUS_NIC_ERROR (0x4) |
| 63 | |
| 64 | #define ISCSI_KCQE_COMPLETION_STATUS_HDR_DIG_ERR (0x5) |
| 65 | #define ISCSI_KCQE_COMPLETION_STATUS_DATA_DIG_ERR (0x6) |
| 66 | |
| 67 | #define ISCSI_KCQE_COMPLETION_STATUS_PROTOCOL_ERR_UNEXPECTED_OPCODE (0xa) |
| 68 | #define ISCSI_KCQE_COMPLETION_STATUS_PROTOCOL_ERR_OPCODE (0xb) |
| 69 | #define ISCSI_KCQE_COMPLETION_STATUS_PROTOCOL_ERR_AHS_LEN (0xc) |
| 70 | #define ISCSI_KCQE_COMPLETION_STATUS_PROTOCOL_ERR_ITT (0xd) |
| 71 | #define ISCSI_KCQE_COMPLETION_STATUS_PROTOCOL_ERR_STATSN (0xe) |
| 72 | |
| 73 | /* Response */ |
| 74 | #define ISCSI_KCQE_COMPLETION_STATUS_PROTOCOL_ERR_EXP_DATASN (0xf) |
| 75 | #define ISCSI_KCQE_COMPLETION_STATUS_PROTOCOL_ERR_PEND_R2T (0x10) |
| 76 | #define ISCSI_KCQE_COMPLETION_STATUS_PROTOCOL_ERR_DATA_SEG_LEN_IS_ZERO (0x2c) |
| 77 | #define ISCSI_KCQE_COMPLETION_STATUS_PROTOCOL_ERR_DATA_SEG_LEN_TOO_BIG (0x2d) |
| 78 | #define ISCSI_KCQE_COMPLETION_STATUS_PROTOCOL_ERR_O_U_0 (0x11) |
| 79 | #define ISCSI_KCQE_COMPLETION_STATUS_PROTOCOL_ERR_O_U_1 (0x12) |
| 80 | #define ISCSI_KCQE_COMPLETION_STATUS_PROTOCOL_ERR_O_U_2 (0x13) |
| 81 | #define ISCSI_KCQE_COMPLETION_STATUS_PROTOCOL_ERR_O_U_3 (0x14) |
| 82 | #define ISCSI_KCQE_COMPLETION_STATUS_PROTOCOL_ERR_O_U_4 (0x15) |
| 83 | #define ISCSI_KCQE_COMPLETION_STATUS_PROTOCOL_ERR_O_U_5 (0x16) |
| 84 | #define ISCSI_KCQE_COMPLETION_STATUS_PROTOCOL_ERR_O_U_6 (0x17) |
| 85 | |
| 86 | /* Data-In */ |
| 87 | #define ISCSI_KCQE_COMPLETION_STATUS_PROTOCOL_ERR_REMAIN_RCV_LEN (0x18) |
| 88 | #define ISCSI_KCQE_COMPLETION_STATUS_PROTOCOL_ERR_MAX_RCV_PDU_LEN (0x19) |
| 89 | #define ISCSI_KCQE_COMPLETION_STATUS_PROTOCOL_ERR_F_BIT_ZERO (0x1a) |
| 90 | #define ISCSI_KCQE_COMPLETION_STATUS_PROTOCOL_ERR_TTT_NOT_RSRV (0x1b) |
| 91 | #define ISCSI_KCQE_COMPLETION_STATUS_PROTOCOL_ERR_DATASN (0x1c) |
| 92 | #define ISCSI_KCQE_COMPLETION_STATUS_PROTOCOL_ERR_REMAIN_BURST_LEN (0x1d) |
| 93 | |
| 94 | /* R2T */ |
| 95 | #define ISCSI_KCQE_COMPLETION_STATUS_PROTOCOL_ERR_BUFFER_OFF (0x1f) |
| 96 | #define ISCSI_KCQE_COMPLETION_STATUS_PROTOCOL_ERR_LUN (0x20) |
| 97 | #define ISCSI_KCQE_COMPLETION_STATUS_PROTOCOL_ERR_R2TSN (0x21) |
| 98 | #define ISCSI_KCQE_COMPLETION_STATUS_PROTOCOL_ERR_DESIRED_DATA_TRNS_LEN_0 (0x22) |
| 99 | #define ISCSI_KCQE_COMPLETION_STATUS_PROTOCOL_ERR_DESIRED_DATA_TRNS_LEN_1 (0x23) |
| 100 | #define ISCSI_KCQE_COMPLETION_STATUS_PROTOCOL_ERR_PEND_R2T_EXCEED (0x24) |
| 101 | #define ISCSI_KCQE_COMPLETION_STATUS_PROTOCOL_ERR_TTT_IS_RSRV (0x25) |
| 102 | #define ISCSI_KCQE_COMPLETION_STATUS_PROTOCOL_ERR_MAX_BURST_LEN (0x26) |
| 103 | #define ISCSI_KCQE_COMPLETION_STATUS_PROTOCOL_ERR_DATA_SEG_LEN_NOT_ZERO (0x27) |
| 104 | |
| 105 | /* TMF */ |
| 106 | #define ISCSI_KCQE_COMPLETION_STATUS_PROTOCOL_ERR_REJECT_PDU_LEN (0x28) |
| 107 | #define ISCSI_KCQE_COMPLETION_STATUS_PROTOCOL_ERR_ASYNC_PDU_LEN (0x29) |
| 108 | #define ISCSI_KCQE_COMPLETION_STATUS_PROTOCOL_ERR_NOPIN_PDU_LEN (0x2a) |
| 109 | #define ISCSI_KCQE_COMPLETION_STATUS_PROTOCOL_ERR_PEND_R2T_IN_CLEANUP (0x2b) |
| 110 | |
| 111 | /* IP/TCP processing errors: */ |
| 112 | #define ISCI_KCQE_COMPLETION_STATUS_TCP_ERROR_IP_FRAGMENT (0x40) |
| 113 | #define ISCI_KCQE_COMPLETION_STATUS_TCP_ERROR_IP_OPTIONS (0x41) |
| 114 | #define ISCI_KCQE_COMPLETION_STATUS_TCP_ERROR_URGENT_FLAG (0x42) |
| 115 | #define ISCI_KCQE_COMPLETION_STATUS_TCP_ERROR_MAX_RTRANS (0x43) |
| 116 | |
| 117 | /* iSCSI licensing errors */ |
| 118 | /* general iSCSI license not installed */ |
| 119 | #define ISCSI_KCQE_COMPLETION_STATUS_ISCSI_NOT_SUPPORTED (0x50) |
| 120 | /* additional LOM specific iSCSI license not installed */ |
| 121 | #define ISCSI_KCQE_COMPLETION_STATUS_LOM_ISCSI_NOT_ENABLED (0x51) |
| 122 | |
| 123 | /* SQ/RQ/CQ DB structure sizes */ |
| 124 | #define ISCSI_SQ_DB_SIZE (16) |
| 125 | #define ISCSI_RQ_DB_SIZE (16) |
| 126 | #define ISCSI_CQ_DB_SIZE (80) |
| 127 | |
| 128 | #define ISCSI_SQN_TO_NOTIFY_NOT_VALID 0xFFFF |
| 129 | |
| 130 | /* Page size codes (for flags field in connection offload request) */ |
| 131 | #define ISCSI_PAGE_SIZE_256 (0) |
| 132 | #define ISCSI_PAGE_SIZE_512 (1) |
| 133 | #define ISCSI_PAGE_SIZE_1K (2) |
| 134 | #define ISCSI_PAGE_SIZE_2K (3) |
| 135 | #define ISCSI_PAGE_SIZE_4K (4) |
| 136 | #define ISCSI_PAGE_SIZE_8K (5) |
| 137 | #define ISCSI_PAGE_SIZE_16K (6) |
| 138 | #define ISCSI_PAGE_SIZE_32K (7) |
| 139 | #define ISCSI_PAGE_SIZE_64K (8) |
| 140 | #define ISCSI_PAGE_SIZE_128K (9) |
| 141 | #define ISCSI_PAGE_SIZE_256K (10) |
| 142 | #define ISCSI_PAGE_SIZE_512K (11) |
| 143 | #define ISCSI_PAGE_SIZE_1M (12) |
| 144 | #define ISCSI_PAGE_SIZE_2M (13) |
| 145 | #define ISCSI_PAGE_SIZE_4M (14) |
| 146 | #define ISCSI_PAGE_SIZE_8M (15) |
| 147 | |
| 148 | /* Iscsi PDU related defines */ |
| 149 | #define ISCSI_HEADER_SIZE (48) |
| 150 | #define ISCSI_DIGEST_SHIFT (2) |
| 151 | #define ISCSI_DIGEST_SIZE (4) |
| 152 | |
| 153 | #define B577XX_ISCSI_CONNECTION_TYPE 3 |
| 154 | |
| 155 | #endif /*__57XX_ISCSI_CONSTANTS_H_ */ |