1/* bnx2fc_constants.h: QLogic NetXtreme II 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, 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