1 /* bnx2fc_constants.h: QLogic Linux FCoE offload driver. 2 * Handles operations such as session offload/upload etc, and manages 3 * session resources such as connection id and qp resources. 4 * 5 * Copyright (c) 2008-2013 Broadcom Corporation 6 * Copyright (c) 2014-2015 QLogic Corporation 7 * 8 * This program is free software; you can redistribute it and/or modify 9 * it under the terms of the GNU General Public License as published by 10 * the Free Software Foundation. 11 * 12 */ 13 14 #ifndef __BNX2FC_CONSTANTS_H_ 15 #define __BNX2FC_CONSTANTS_H_ 16 17 /** 18 * This file defines HSI constants for the FCoE flows 19 */ 20 21 /* Current FCoE HSI version number composed of two fields (16 bit) */ 22 /* Implies on a change broken previous HSI */ 23 #define FCOE_HSI_MAJOR_VERSION (2) 24 /* Implies on a change which does not broken previous HSI */ 25 #define FCOE_HSI_MINOR_VERSION (1) 26 27 /* KWQ/KCQ FCoE layer code */ 28 #define FCOE_KWQE_LAYER_CODE (7) 29 30 /* KWQ (kernel work queue) request op codes */ 31 #define FCOE_KWQE_OPCODE_INIT1 (0) 32 #define FCOE_KWQE_OPCODE_INIT2 (1) 33 #define FCOE_KWQE_OPCODE_INIT3 (2) 34 #define FCOE_KWQE_OPCODE_OFFLOAD_CONN1 (3) 35 #define FCOE_KWQE_OPCODE_OFFLOAD_CONN2 (4) 36 #define FCOE_KWQE_OPCODE_OFFLOAD_CONN3 (5) 37 #define FCOE_KWQE_OPCODE_OFFLOAD_CONN4 (6) 38 #define FCOE_KWQE_OPCODE_ENABLE_CONN (7) 39 #define FCOE_KWQE_OPCODE_DISABLE_CONN (8) 40 #define FCOE_KWQE_OPCODE_DESTROY_CONN (9) 41 #define FCOE_KWQE_OPCODE_DESTROY (10) 42 #define FCOE_KWQE_OPCODE_STAT (11) 43 44 /* KCQ (kernel completion queue) response op codes */ 45 #define FCOE_KCQE_OPCODE_INIT_FUNC (0x10) 46 #define FCOE_KCQE_OPCODE_DESTROY_FUNC (0x11) 47 #define FCOE_KCQE_OPCODE_STAT_FUNC (0x12) 48 #define FCOE_KCQE_OPCODE_OFFLOAD_CONN (0x15) 49 #define FCOE_KCQE_OPCODE_ENABLE_CONN (0x16) 50 #define FCOE_KCQE_OPCODE_DISABLE_CONN (0x17) 51 #define FCOE_KCQE_OPCODE_DESTROY_CONN (0x18) 52 #define FCOE_KCQE_OPCODE_CQ_EVENT_NOTIFICATION (0x20) 53 #define FCOE_KCQE_OPCODE_FCOE_ERROR (0x21) 54 55 /* KCQ (kernel completion queue) completion status */ 56 #define FCOE_KCQE_COMPLETION_STATUS_SUCCESS (0x0) 57 #define FCOE_KCQE_COMPLETION_STATUS_ERROR (0x1) 58 #define FCOE_KCQE_COMPLETION_STATUS_INVALID_OPCODE (0x2) 59 #define FCOE_KCQE_COMPLETION_STATUS_CTX_ALLOC_FAILURE (0x3) 60 #define FCOE_KCQE_COMPLETION_STATUS_CTX_FREE_FAILURE (0x4) 61 #define FCOE_KCQE_COMPLETION_STATUS_NIC_ERROR (0x5) 62 #define FCOE_KCQE_COMPLETION_STATUS_WRONG_HSI_VERSION (0x6) 63 #define FCOE_KCQE_COMPLETION_STATUS_PARITY_ERROR (0x81) 64 65 /* CQE type */ 66 #define FCOE_PENDING_CQE_TYPE 0 67 #define FCOE_UNSOLIC_CQE_TYPE 1 68 69 /* Unsolicited CQE type */ 70 #define FCOE_UNSOLICITED_FRAME_CQE_TYPE 0 71 #define FCOE_ERROR_DETECTION_CQE_TYPE 1 72 #define FCOE_WARNING_DETECTION_CQE_TYPE 2 73 74 /* E_D_TOV timer resolution in ms */ 75 #define FCOE_E_D_TOV_TIMER_RESOLUTION_MS (20) 76 77 /* E_D_TOV timer resolution for SDM (4 micro) */ 78 #define FCOE_E_D_TOV_SDM_TIMER_RESOLUTION \ 79 (FCOE_E_D_TOV_TIMER_RESOLUTION_MS * 1000 / 4) 80 81 /* REC timer resolution in ms */ 82 #define FCOE_REC_TIMER_RESOLUTION_MS (20) 83 84 /* REC timer resolution for SDM (4 micro) */ 85 #define FCOE_REC_SDM_TIMER_RESOLUTION (FCOE_REC_TIMER_RESOLUTION_MS * 1000 / 4) 86 87 /* E_D_TOV timer default wraparound value (2 sec) in 20 ms resolution */ 88 #define FCOE_E_D_TOV_DEFAULT_WRAPAROUND_VAL \ 89 (2000 / FCOE_E_D_TOV_TIMER_RESOLUTION_MS) 90 91 /* REC_TOV timer default wraparound value (3 sec) in 20 ms resolution */ 92 #define FCOE_REC_TOV_DEFAULT_WRAPAROUND_VAL \ 93 (3000 / FCOE_REC_TIMER_RESOLUTION_MS) 94 95 #define FCOE_NUM_OF_TIMER_TASKS (8 * 1024) 96 97 #define FCOE_NUM_OF_CACHED_TASKS_TIMER (8) 98 99 /* Task context constants */ 100 /******** Remove FCP_CMD write tce sleep ***********************/ 101 /* In case timer services are required then shall be updated by Xstorm after 102 * start processing the task. In case no timer facilities are required then the 103 * driver would initialize the state to this value 104 * 105 #define FCOE_TASK_TX_STATE_NORMAL 0 106 * After driver has initialize the task in case timer services required * 107 #define FCOE_TASK_TX_STATE_INIT 1 108 ******** Remove FCP_CMD write tce sleep ***********************/ 109 /* After driver has initialize the task in case timer services required */ 110 #define FCOE_TASK_TX_STATE_INIT 0 111 /* In case timer services are required then shall be updated by Xstorm after 112 * start processing the task. In case no timer facilities are required then the 113 * driver would initialize the state to this value 114 */ 115 #define FCOE_TASK_TX_STATE_NORMAL 1 116 /* Task is under abort procedure. Updated in order to stop processing of 117 * pending WQEs on this task 118 */ 119 #define FCOE_TASK_TX_STATE_ABORT 2 120 /* For E_D_T_TOV timer expiration in Xstorm (Class 2 only) */ 121 #define FCOE_TASK_TX_STATE_ERROR 3 122 /* For REC_TOV timer expiration indication received from Xstorm */ 123 #define FCOE_TASK_TX_STATE_WARNING 4 124 /* For completed unsolicited task */ 125 #define FCOE_TASK_TX_STATE_UNSOLICITED_COMPLETED 5 126 /* For exchange cleanup request task */ 127 #define FCOE_TASK_TX_STATE_EXCHANGE_CLEANUP 6 128 /* For sequence cleanup request task */ 129 #define FCOE_TASK_TX_STATE_SEQUENCE_CLEANUP 7 130 /* For completion the ABTS task. */ 131 #define FCOE_TASK_TX_STATE_ABTS_TX 8 132 133 #define FCOE_TASK_RX_STATE_NORMAL 0 134 #define FCOE_TASK_RX_STATE_COMPLETED 1 135 /* Obsolete: Intermediate completion (middle path with local completion) */ 136 #define FCOE_TASK_RX_STATE_INTER_COMP 2 137 /* For REC_TOV timer expiration indication received from Xstorm */ 138 #define FCOE_TASK_RX_STATE_WARNING 3 139 /* For E_D_T_TOV timer expiration in Ustorm */ 140 #define FCOE_TASK_RX_STATE_ERROR 4 141 /* FW only: First visit at rx-path, part of the abts round trip */ 142 #define FCOE_TASK_RX_STATE_ABTS_IN_PROCESS 5 143 /* FW only: Second visit at rx-path, after ABTS frame transmitted */ 144 #define FCOE_TASK_RX_STATE_ABTS_TRANSMITTED 6 145 /* Special completion indication in case of task was aborted. */ 146 #define FCOE_TASK_RX_STATE_ABTS_COMPLETED 7 147 /* FW only: First visit at rx-path, part of the cleanup round trip */ 148 #define FCOE_TASK_RX_STATE_EXCHANGE_CLEANUP_IN_PROCESS 8 149 /* FW only: Special completion indication in case of task was cleaned. */ 150 #define FCOE_TASK_RX_STATE_EXCHANGE_CLEANUP_COMPLETED 9 151 /* Not in used: Special completion indication (in task requested the exchange 152 * cleanup) in case cleaned task is in non-valid. 153 */ 154 #define FCOE_TASK_RX_STATE_ABORT_CLEANUP_COMPLETED 10 155 /* Special completion indication (in task requested the sequence cleanup) in 156 * case cleaned task was already returned to normal. 157 */ 158 #define FCOE_TASK_RX_STATE_IGNORED_SEQUENCE_CLEANUP 11 159 160 161 #define FCOE_TASK_TYPE_WRITE 0 162 #define FCOE_TASK_TYPE_READ 1 163 #define FCOE_TASK_TYPE_MIDPATH 2 164 #define FCOE_TASK_TYPE_UNSOLICITED 3 165 #define FCOE_TASK_TYPE_ABTS 4 166 #define FCOE_TASK_TYPE_EXCHANGE_CLEANUP 5 167 #define FCOE_TASK_TYPE_SEQUENCE_CLEANUP 6 168 169 #define FCOE_TASK_DEV_TYPE_DISK 0 170 #define FCOE_TASK_DEV_TYPE_TAPE 1 171 172 #define FCOE_TASK_CLASS_TYPE_3 0 173 #define FCOE_TASK_CLASS_TYPE_2 1 174 175 /* FCoE/FC packet fields */ 176 #define FCOE_ETH_TYPE 0x8906 177 178 /* FCoE maximum elements in hash table */ 179 #define FCOE_MAX_ELEMENTS_IN_HASH_TABLE_ROW 8 180 181 /* FCoE half of the elements in hash table */ 182 #define FCOE_HALF_ELEMENTS_IN_HASH_TABLE_ROW \ 183 (FCOE_MAX_ELEMENTS_IN_HASH_TABLE_ROW / 2) 184 185 /* FcoE number of cached T2 entries */ 186 #define T_FCOE_NUMBER_OF_CACHED_T2_ENTRIES (4) 187 188 /* FCoE maximum elements in hash table */ 189 #define FCOE_HASH_TBL_CHUNK_SIZE 16384 190 191 /* Everest FCoE connection type */ 192 #define B577XX_FCOE_CONNECTION_TYPE 4 193 194 /* FCoE number of rows (in log). This number derives 195 * from the maximum connections supported which is 2048. 196 * TBA: Need a different constant for E2 197 */ 198 #define FCOE_MAX_NUM_SESSIONS_LOG 11 199 200 #define FC_ABTS_REPLY_MAX_PAYLOAD_LEN 12 201 202 /* Error codes for Error Reporting in slow path flows */ 203 #define FCOE_SLOW_PATH_ERROR_CODE_TOO_MANY_FUNCS 0 204 #define FCOE_SLOW_PATH_ERROR_CODE_NO_LICENSE 1 205 206 /* Error codes for Error Reporting in fast path flows 207 * XFER error codes 208 */ 209 #define FCOE_ERROR_CODE_XFER_OOO_RO 0 210 #define FCOE_ERROR_CODE_XFER_RO_NOT_ALIGNED 1 211 #define FCOE_ERROR_CODE_XFER_NULL_BURST_LEN 2 212 #define FCOE_ERROR_CODE_XFER_RO_GREATER_THAN_DATA2TRNS 3 213 #define FCOE_ERROR_CODE_XFER_INVALID_PAYLOAD_SIZE 4 214 #define FCOE_ERROR_CODE_XFER_TASK_TYPE_NOT_WRITE 5 215 #define FCOE_ERROR_CODE_XFER_PEND_XFER_SET 6 216 #define FCOE_ERROR_CODE_XFER_OPENED_SEQ 7 217 #define FCOE_ERROR_CODE_XFER_FCTL 8 218 219 /* FCP RSP error codes */ 220 #define FCOE_ERROR_CODE_FCP_RSP_BIDI_FLAGS_SET 9 221 #define FCOE_ERROR_CODE_FCP_RSP_UNDERFLOW 10 222 #define FCOE_ERROR_CODE_FCP_RSP_OVERFLOW 11 223 #define FCOE_ERROR_CODE_FCP_RSP_INVALID_LENGTH_FIELD 12 224 #define FCOE_ERROR_CODE_FCP_RSP_INVALID_SNS_FIELD 13 225 #define FCOE_ERROR_CODE_FCP_RSP_INVALID_PAYLOAD_SIZE 14 226 #define FCOE_ERROR_CODE_FCP_RSP_PEND_XFER_SET 15 227 #define FCOE_ERROR_CODE_FCP_RSP_OPENED_SEQ 16 228 #define FCOE_ERROR_CODE_FCP_RSP_FCTL 17 229 #define FCOE_ERROR_CODE_FCP_RSP_LAST_SEQ_RESET 18 230 #define FCOE_ERROR_CODE_FCP_RSP_CONF_REQ_NOT_SUPPORTED_YET 19 231 232 /* FCP DATA error codes */ 233 #define FCOE_ERROR_CODE_DATA_OOO_RO 20 234 #define FCOE_ERROR_CODE_DATA_EXCEEDS_DEFINED_MAX_FRAME_SIZE 21 235 #define FCOE_ERROR_CODE_DATA_EXCEEDS_DATA2TRNS 22 236 #define FCOE_ERROR_CODE_DATA_SOFI3_SEQ_ACTIVE_SET 23 237 #define FCOE_ERROR_CODE_DATA_SOFN_SEQ_ACTIVE_RESET 24 238 #define FCOE_ERROR_CODE_DATA_EOFN_END_SEQ_SET 25 239 #define FCOE_ERROR_CODE_DATA_EOFT_END_SEQ_RESET 26 240 #define FCOE_ERROR_CODE_DATA_TASK_TYPE_NOT_READ 27 241 #define FCOE_ERROR_CODE_DATA_FCTL 28 242 243 /* Middle path error codes */ 244 #define FCOE_ERROR_CODE_MIDPATH_INVALID_TYPE 29 245 #define FCOE_ERROR_CODE_MIDPATH_SOFI3_SEQ_ACTIVE_SET 30 246 #define FCOE_ERROR_CODE_MIDPATH_SOFN_SEQ_ACTIVE_RESET 31 247 #define FCOE_ERROR_CODE_MIDPATH_EOFN_END_SEQ_SET 32 248 #define FCOE_ERROR_CODE_MIDPATH_EOFT_END_SEQ_RESET 33 249 #define FCOE_ERROR_CODE_MIDPATH_REPLY_FCTL 34 250 #define FCOE_ERROR_CODE_MIDPATH_INVALID_REPLY 35 251 #define FCOE_ERROR_CODE_MIDPATH_ELS_REPLY_RCTL 36 252 253 /* ABTS error codes */ 254 #define FCOE_ERROR_CODE_ABTS_REPLY_F_CTL 37 255 #define FCOE_ERROR_CODE_ABTS_REPLY_DDF_RCTL_FIELD 38 256 #define FCOE_ERROR_CODE_ABTS_REPLY_INVALID_BLS_RCTL 39 257 #define FCOE_ERROR_CODE_ABTS_REPLY_INVALID_RCTL 40 258 #define FCOE_ERROR_CODE_ABTS_REPLY_RCTL_GENERAL_MISMATCH 41 259 260 /* Common error codes */ 261 #define FCOE_ERROR_CODE_COMMON_MIDDLE_FRAME_WITH_PAD 42 262 #define FCOE_ERROR_CODE_COMMON_SEQ_INIT_IN_TCE 43 263 #define FCOE_ERROR_CODE_COMMON_FC_HDR_RX_ID_MISMATCH 44 264 #define FCOE_ERROR_CODE_COMMON_INCORRECT_SEQ_CNT 45 265 #define FCOE_ERROR_CODE_COMMON_DATA_FC_HDR_FCP_TYPE_MISMATCH 46 266 #define FCOE_ERROR_CODE_COMMON_DATA_NO_MORE_SGES 47 267 #define FCOE_ERROR_CODE_COMMON_OPTIONAL_FC_HDR 48 268 #define FCOE_ERROR_CODE_COMMON_READ_TCE_OX_ID_TOO_BIG 49 269 #define FCOE_ERROR_CODE_COMMON_DATA_WAS_NOT_TRANSMITTED 50 270 271 /* Unsolicited Rx error codes */ 272 #define FCOE_ERROR_CODE_UNSOLICITED_TYPE_NOT_ELS 51 273 #define FCOE_ERROR_CODE_UNSOLICITED_TYPE_NOT_BLS 52 274 #define FCOE_ERROR_CODE_UNSOLICITED_FCTL_ELS 53 275 #define FCOE_ERROR_CODE_UNSOLICITED_FCTL_BLS 54 276 #define FCOE_ERROR_CODE_UNSOLICITED_R_CTL 55 277 278 #define FCOE_ERROR_CODE_RW_TASK_DDF_RCTL_INFO_FIELD 56 279 #define FCOE_ERROR_CODE_RW_TASK_INVALID_RCTL 57 280 #define FCOE_ERROR_CODE_RW_TASK_RCTL_GENERAL_MISMATCH 58 281 282 /* Timer error codes */ 283 #define FCOE_ERROR_CODE_E_D_TOV_TIMER_EXPIRATION 60 284 #define FCOE_ERROR_CODE_REC_TOV_TIMER_EXPIRATION 61 285 286 287 #endif /* BNX2FC_CONSTANTS_H_ */ 288