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) 2014-2016 QLogic Corporation 7 * Copyright (c) 2016-2017 Cavium Inc. 8 * 9 * This program is free software; you can redistribute it and/or modify 10 * it under the terms of the GNU General Public License as published by 11 * the Free Software Foundation. 12 * 13 */ 14 15#ifndef __BNX2FC_CONSTANTS_H_ 16#define __BNX2FC_CONSTANTS_H_ 17 18/** 19 * This file defines HSI constants for the FCoE flows 20 */ 21 22/* Current FCoE HSI version number composed of two fields (16 bit) */ 23/* Implies on a change broken previous HSI */ 24#define FCOE_HSI_MAJOR_VERSION (2) 25/* Implies on a change which does not broken previous HSI */ 26#define FCOE_HSI_MINOR_VERSION (1) 27 28/* KWQ/KCQ FCoE layer code */ 29#define FCOE_KWQE_LAYER_CODE (7) 30 31/* KWQ (kernel work queue) request op codes */ 32#define FCOE_KWQE_OPCODE_INIT1 (0) 33#define FCOE_KWQE_OPCODE_INIT2 (1) 34#define FCOE_KWQE_OPCODE_INIT3 (2) 35#define FCOE_KWQE_OPCODE_OFFLOAD_CONN1 (3) 36#define FCOE_KWQE_OPCODE_OFFLOAD_CONN2 (4) 37#define FCOE_KWQE_OPCODE_OFFLOAD_CONN3 (5) 38#define FCOE_KWQE_OPCODE_OFFLOAD_CONN4 (6) 39#define FCOE_KWQE_OPCODE_ENABLE_CONN (7) 40#define FCOE_KWQE_OPCODE_DISABLE_CONN (8) 41#define FCOE_KWQE_OPCODE_DESTROY_CONN (9) 42#define FCOE_KWQE_OPCODE_DESTROY (10) 43#define FCOE_KWQE_OPCODE_STAT (11) 44 45/* KCQ (kernel completion queue) response op codes */ 46#define FCOE_KCQE_OPCODE_INIT_FUNC (0x10) 47#define FCOE_KCQE_OPCODE_DESTROY_FUNC (0x11) 48#define FCOE_KCQE_OPCODE_STAT_FUNC (0x12) 49#define FCOE_KCQE_OPCODE_OFFLOAD_CONN (0x15) 50#define FCOE_KCQE_OPCODE_ENABLE_CONN (0x16) 51#define FCOE_KCQE_OPCODE_DISABLE_CONN (0x17) 52#define FCOE_KCQE_OPCODE_DESTROY_CONN (0x18) 53#define FCOE_KCQE_OPCODE_CQ_EVENT_NOTIFICATION (0x20) 54#define FCOE_KCQE_OPCODE_FCOE_ERROR (0x21) 55 56/* KCQ (kernel completion queue) completion status */ 57#define FCOE_KCQE_COMPLETION_STATUS_SUCCESS (0x0) 58#define FCOE_KCQE_COMPLETION_STATUS_ERROR (0x1) 59#define FCOE_KCQE_COMPLETION_STATUS_INVALID_OPCODE (0x2) 60#define FCOE_KCQE_COMPLETION_STATUS_CTX_ALLOC_FAILURE (0x3) 61#define FCOE_KCQE_COMPLETION_STATUS_CTX_FREE_FAILURE (0x4) 62#define FCOE_KCQE_COMPLETION_STATUS_NIC_ERROR (0x5) 63#define FCOE_KCQE_COMPLETION_STATUS_WRONG_HSI_VERSION (0x6) 64#define FCOE_KCQE_COMPLETION_STATUS_PARITY_ERROR (0x81) 65 66/* CQE type */ 67#define FCOE_PENDING_CQE_TYPE 0 68#define FCOE_UNSOLIC_CQE_TYPE 1 69 70/* Unsolicited CQE type */ 71#define FCOE_UNSOLICITED_FRAME_CQE_TYPE 0 72#define FCOE_ERROR_DETECTION_CQE_TYPE 1 73#define FCOE_WARNING_DETECTION_CQE_TYPE 2 74 75/* E_D_TOV timer resolution in ms */ 76#define FCOE_E_D_TOV_TIMER_RESOLUTION_MS (20) 77 78/* E_D_TOV timer resolution for SDM (4 micro) */ 79#define FCOE_E_D_TOV_SDM_TIMER_RESOLUTION \ 80 (FCOE_E_D_TOV_TIMER_RESOLUTION_MS * 1000 / 4) 81 82/* REC timer resolution in ms */ 83#define FCOE_REC_TIMER_RESOLUTION_MS (20) 84 85/* REC timer resolution for SDM (4 micro) */ 86#define FCOE_REC_SDM_TIMER_RESOLUTION (FCOE_REC_TIMER_RESOLUTION_MS * 1000 / 4) 87 88/* E_D_TOV timer default wraparound value (2 sec) in 20 ms resolution */ 89#define FCOE_E_D_TOV_DEFAULT_WRAPAROUND_VAL \ 90 (2000 / FCOE_E_D_TOV_TIMER_RESOLUTION_MS) 91 92/* REC_TOV timer default wraparound value (3 sec) in 20 ms resolution */ 93#define FCOE_REC_TOV_DEFAULT_WRAPAROUND_VAL \ 94 (3000 / FCOE_REC_TIMER_RESOLUTION_MS) 95 96#define FCOE_NUM_OF_TIMER_TASKS (8 * 1024) 97 98#define FCOE_NUM_OF_CACHED_TASKS_TIMER (8) 99 100/* Task context constants */ 101/******** Remove FCP_CMD write tce sleep ***********************/ 102/* In case timer services are required then shall be updated by Xstorm after 103 * start processing the task. In case no timer facilities are required then the 104 * driver would initialize the state to this value 105 * 106#define FCOE_TASK_TX_STATE_NORMAL 0 107 * After driver has initialize the task in case timer services required * 108#define FCOE_TASK_TX_STATE_INIT 1 109******** Remove FCP_CMD write tce sleep ***********************/ 110/* After driver has initialize the task in case timer services required */ 111#define FCOE_TASK_TX_STATE_INIT 0 112/* In case timer services are required then shall be updated by Xstorm after 113 * start processing the task. In case no timer facilities are required then the 114 * driver would initialize the state to this value 115 */ 116#define FCOE_TASK_TX_STATE_NORMAL 1 117/* Task is under abort procedure. Updated in order to stop processing of 118 * pending WQEs on this task 119 */ 120#define FCOE_TASK_TX_STATE_ABORT 2 121/* For E_D_T_TOV timer expiration in Xstorm (Class 2 only) */ 122#define FCOE_TASK_TX_STATE_ERROR 3 123/* For REC_TOV timer expiration indication received from Xstorm */ 124#define FCOE_TASK_TX_STATE_WARNING 4 125/* For completed unsolicited task */ 126#define FCOE_TASK_TX_STATE_UNSOLICITED_COMPLETED 5 127/* For exchange cleanup request task */ 128#define FCOE_TASK_TX_STATE_EXCHANGE_CLEANUP 6 129/* For sequence cleanup request task */ 130#define FCOE_TASK_TX_STATE_SEQUENCE_CLEANUP 7 131/* For completion the ABTS task. */ 132#define FCOE_TASK_TX_STATE_ABTS_TX 8 133 134#define FCOE_TASK_RX_STATE_NORMAL 0 135#define FCOE_TASK_RX_STATE_COMPLETED 1 136/* Obsolete: Intermediate completion (middle path with local completion) */ 137#define FCOE_TASK_RX_STATE_INTER_COMP 2 138/* For REC_TOV timer expiration indication received from Xstorm */ 139#define FCOE_TASK_RX_STATE_WARNING 3 140/* For E_D_T_TOV timer expiration in Ustorm */ 141#define FCOE_TASK_RX_STATE_ERROR 4 142/* FW only: First visit at rx-path, part of the abts round trip */ 143#define FCOE_TASK_RX_STATE_ABTS_IN_PROCESS 5 144/* FW only: Second visit at rx-path, after ABTS frame transmitted */ 145#define FCOE_TASK_RX_STATE_ABTS_TRANSMITTED 6 146/* Special completion indication in case of task was aborted. */ 147#define FCOE_TASK_RX_STATE_ABTS_COMPLETED 7 148/* FW only: First visit at rx-path, part of the cleanup round trip */ 149#define FCOE_TASK_RX_STATE_EXCHANGE_CLEANUP_IN_PROCESS 8 150/* FW only: Special completion indication in case of task was cleaned. */ 151#define FCOE_TASK_RX_STATE_EXCHANGE_CLEANUP_COMPLETED 9 152/* Not in used: Special completion indication (in task requested the exchange 153 * cleanup) in case cleaned task is in non-valid. 154 */ 155#define FCOE_TASK_RX_STATE_ABORT_CLEANUP_COMPLETED 10 156/* Special completion indication (in task requested the sequence cleanup) in 157 * case cleaned task was already returned to normal. 158 */ 159#define FCOE_TASK_RX_STATE_IGNORED_SEQUENCE_CLEANUP 11 160 161 162#define FCOE_TASK_TYPE_WRITE 0 163#define FCOE_TASK_TYPE_READ 1 164#define FCOE_TASK_TYPE_MIDPATH 2 165#define FCOE_TASK_TYPE_UNSOLICITED 3 166#define FCOE_TASK_TYPE_ABTS 4 167#define FCOE_TASK_TYPE_EXCHANGE_CLEANUP 5 168#define FCOE_TASK_TYPE_SEQUENCE_CLEANUP 6 169 170#define FCOE_TASK_DEV_TYPE_DISK 0 171#define FCOE_TASK_DEV_TYPE_TAPE 1 172 173#define FCOE_TASK_CLASS_TYPE_3 0 174#define FCOE_TASK_CLASS_TYPE_2 1 175 176/* FCoE/FC packet fields */ 177#define FCOE_ETH_TYPE 0x8906 178 179/* FCoE maximum elements in hash table */ 180#define FCOE_MAX_ELEMENTS_IN_HASH_TABLE_ROW 8 181 182/* FCoE half of the elements in hash table */ 183#define FCOE_HALF_ELEMENTS_IN_HASH_TABLE_ROW \ 184 (FCOE_MAX_ELEMENTS_IN_HASH_TABLE_ROW / 2) 185 186/* FcoE number of cached T2 entries */ 187#define T_FCOE_NUMBER_OF_CACHED_T2_ENTRIES (4) 188 189/* FCoE maximum elements in hash table */ 190#define FCOE_HASH_TBL_CHUNK_SIZE 16384 191 192/* Everest FCoE connection type */ 193#define B577XX_FCOE_CONNECTION_TYPE 4 194 195/* FCoE number of rows (in log). This number derives 196 * from the maximum connections supported which is 2048. 197 * TBA: Need a different constant for E2 198 */ 199#define FCOE_MAX_NUM_SESSIONS_LOG 11 200 201#define FC_ABTS_REPLY_MAX_PAYLOAD_LEN 12 202 203/* Error codes for Error Reporting in slow path flows */ 204#define FCOE_SLOW_PATH_ERROR_CODE_TOO_MANY_FUNCS 0 205#define FCOE_SLOW_PATH_ERROR_CODE_NO_LICENSE 1 206 207/* Error codes for Error Reporting in fast path flows 208 * XFER error codes 209 */ 210#define FCOE_ERROR_CODE_XFER_OOO_RO 0 211#define FCOE_ERROR_CODE_XFER_RO_NOT_ALIGNED 1 212#define FCOE_ERROR_CODE_XFER_NULL_BURST_LEN 2 213#define FCOE_ERROR_CODE_XFER_RO_GREATER_THAN_DATA2TRNS 3 214#define FCOE_ERROR_CODE_XFER_INVALID_PAYLOAD_SIZE 4 215#define FCOE_ERROR_CODE_XFER_TASK_TYPE_NOT_WRITE 5 216#define FCOE_ERROR_CODE_XFER_PEND_XFER_SET 6 217#define FCOE_ERROR_CODE_XFER_OPENED_SEQ 7 218#define FCOE_ERROR_CODE_XFER_FCTL 8 219 220/* FCP RSP error codes */ 221#define FCOE_ERROR_CODE_FCP_RSP_BIDI_FLAGS_SET 9 222#define FCOE_ERROR_CODE_FCP_RSP_UNDERFLOW 10 223#define FCOE_ERROR_CODE_FCP_RSP_OVERFLOW 11 224#define FCOE_ERROR_CODE_FCP_RSP_INVALID_LENGTH_FIELD 12 225#define FCOE_ERROR_CODE_FCP_RSP_INVALID_SNS_FIELD 13 226#define FCOE_ERROR_CODE_FCP_RSP_INVALID_PAYLOAD_SIZE 14 227#define FCOE_ERROR_CODE_FCP_RSP_PEND_XFER_SET 15 228#define FCOE_ERROR_CODE_FCP_RSP_OPENED_SEQ 16 229#define FCOE_ERROR_CODE_FCP_RSP_FCTL 17 230#define FCOE_ERROR_CODE_FCP_RSP_LAST_SEQ_RESET 18 231#define FCOE_ERROR_CODE_FCP_RSP_CONF_REQ_NOT_SUPPORTED_YET 19 232 233/* FCP DATA error codes */ 234#define FCOE_ERROR_CODE_DATA_OOO_RO 20 235#define FCOE_ERROR_CODE_DATA_EXCEEDS_DEFINED_MAX_FRAME_SIZE 21 236#define FCOE_ERROR_CODE_DATA_EXCEEDS_DATA2TRNS 22 237#define FCOE_ERROR_CODE_DATA_SOFI3_SEQ_ACTIVE_SET 23 238#define FCOE_ERROR_CODE_DATA_SOFN_SEQ_ACTIVE_RESET 24 239#define FCOE_ERROR_CODE_DATA_EOFN_END_SEQ_SET 25 240#define FCOE_ERROR_CODE_DATA_EOFT_END_SEQ_RESET 26 241#define FCOE_ERROR_CODE_DATA_TASK_TYPE_NOT_READ 27 242#define FCOE_ERROR_CODE_DATA_FCTL 28 243 244/* Middle path error codes */ 245#define FCOE_ERROR_CODE_MIDPATH_INVALID_TYPE 29 246#define FCOE_ERROR_CODE_MIDPATH_SOFI3_SEQ_ACTIVE_SET 30 247#define FCOE_ERROR_CODE_MIDPATH_SOFN_SEQ_ACTIVE_RESET 31 248#define FCOE_ERROR_CODE_MIDPATH_EOFN_END_SEQ_SET 32 249#define FCOE_ERROR_CODE_MIDPATH_EOFT_END_SEQ_RESET 33 250#define FCOE_ERROR_CODE_MIDPATH_REPLY_FCTL 34 251#define FCOE_ERROR_CODE_MIDPATH_INVALID_REPLY 35 252#define FCOE_ERROR_CODE_MIDPATH_ELS_REPLY_RCTL 36 253 254/* ABTS error codes */ 255#define FCOE_ERROR_CODE_ABTS_REPLY_F_CTL 37 256#define FCOE_ERROR_CODE_ABTS_REPLY_DDF_RCTL_FIELD 38 257#define FCOE_ERROR_CODE_ABTS_REPLY_INVALID_BLS_RCTL 39 258#define FCOE_ERROR_CODE_ABTS_REPLY_INVALID_RCTL 40 259#define FCOE_ERROR_CODE_ABTS_REPLY_RCTL_GENERAL_MISMATCH 41 260 261/* Common error codes */ 262#define FCOE_ERROR_CODE_COMMON_MIDDLE_FRAME_WITH_PAD 42 263#define FCOE_ERROR_CODE_COMMON_SEQ_INIT_IN_TCE 43 264#define FCOE_ERROR_CODE_COMMON_FC_HDR_RX_ID_MISMATCH 44 265#define FCOE_ERROR_CODE_COMMON_INCORRECT_SEQ_CNT 45 266#define FCOE_ERROR_CODE_COMMON_DATA_FC_HDR_FCP_TYPE_MISMATCH 46 267#define FCOE_ERROR_CODE_COMMON_DATA_NO_MORE_SGES 47 268#define FCOE_ERROR_CODE_COMMON_OPTIONAL_FC_HDR 48 269#define FCOE_ERROR_CODE_COMMON_READ_TCE_OX_ID_TOO_BIG 49 270#define FCOE_ERROR_CODE_COMMON_DATA_WAS_NOT_TRANSMITTED 50 271 272/* Unsolicited Rx error codes */ 273#define FCOE_ERROR_CODE_UNSOLICITED_TYPE_NOT_ELS 51 274#define FCOE_ERROR_CODE_UNSOLICITED_TYPE_NOT_BLS 52 275#define FCOE_ERROR_CODE_UNSOLICITED_FCTL_ELS 53 276#define FCOE_ERROR_CODE_UNSOLICITED_FCTL_BLS 54 277#define FCOE_ERROR_CODE_UNSOLICITED_R_CTL 55 278 279#define FCOE_ERROR_CODE_RW_TASK_DDF_RCTL_INFO_FIELD 56 280#define FCOE_ERROR_CODE_RW_TASK_INVALID_RCTL 57 281#define FCOE_ERROR_CODE_RW_TASK_RCTL_GENERAL_MISMATCH 58 282 283/* Timer error codes */ 284#define FCOE_ERROR_CODE_E_D_TOV_TIMER_EXPIRATION 60 285#define FCOE_ERROR_CODE_REC_TOV_TIMER_EXPIRATION 61 286 287 288#endif /* BNX2FC_CONSTANTS_H_ */ 289