diff options
Diffstat (limited to 'drivers/scsi/bnx2fc/bnx2fc_constants.h')
| -rw-r--r-- | drivers/scsi/bnx2fc/bnx2fc_constants.h | 288 |
1 files changed, 288 insertions, 0 deletions
diff --git a/drivers/scsi/bnx2fc/bnx2fc_constants.h b/drivers/scsi/bnx2fc/bnx2fc_constants.h new file mode 100644 index 0000000000..9ed150307a --- /dev/null +++ b/drivers/scsi/bnx2fc/bnx2fc_constants.h @@ -0,0 +1,288 @@ +/* bnx2fc_constants.h: QLogic Linux FCoE offload driver. + * Handles operations such as session offload/upload etc, and manages + * session resources such as connection id and qp resources. + * + * Copyright (c) 2008-2013 Broadcom Corporation + * Copyright (c) 2014-2016 QLogic Corporation + * Copyright (c) 2016-2017 Cavium Inc. + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation. + * + */ + +#ifndef __BNX2FC_CONSTANTS_H_ +#define __BNX2FC_CONSTANTS_H_ + +/** + * This file defines HSI constants for the FCoE flows + */ + +/* Current FCoE HSI version number composed of two fields (16 bit) */ +/* Implies on a change broken previous HSI */ +#define FCOE_HSI_MAJOR_VERSION (2) +/* Implies on a change which does not broken previous HSI */ +#define FCOE_HSI_MINOR_VERSION (1) + +/* KWQ/KCQ FCoE layer code */ +#define FCOE_KWQE_LAYER_CODE (7) + +/* KWQ (kernel work queue) request op codes */ +#define FCOE_KWQE_OPCODE_INIT1 (0) +#define FCOE_KWQE_OPCODE_INIT2 (1) +#define FCOE_KWQE_OPCODE_INIT3 (2) +#define FCOE_KWQE_OPCODE_OFFLOAD_CONN1 (3) +#define FCOE_KWQE_OPCODE_OFFLOAD_CONN2 (4) +#define FCOE_KWQE_OPCODE_OFFLOAD_CONN3 (5) +#define FCOE_KWQE_OPCODE_OFFLOAD_CONN4 (6) +#define FCOE_KWQE_OPCODE_ENABLE_CONN (7) +#define FCOE_KWQE_OPCODE_DISABLE_CONN (8) +#define FCOE_KWQE_OPCODE_DESTROY_CONN (9) +#define FCOE_KWQE_OPCODE_DESTROY (10) +#define FCOE_KWQE_OPCODE_STAT (11) + +/* KCQ (kernel completion queue) response op codes */ +#define FCOE_KCQE_OPCODE_INIT_FUNC (0x10) +#define FCOE_KCQE_OPCODE_DESTROY_FUNC (0x11) +#define FCOE_KCQE_OPCODE_STAT_FUNC (0x12) +#define FCOE_KCQE_OPCODE_OFFLOAD_CONN (0x15) +#define FCOE_KCQE_OPCODE_ENABLE_CONN (0x16) +#define FCOE_KCQE_OPCODE_DISABLE_CONN (0x17) +#define FCOE_KCQE_OPCODE_DESTROY_CONN (0x18) +#define FCOE_KCQE_OPCODE_CQ_EVENT_NOTIFICATION (0x20) +#define FCOE_KCQE_OPCODE_FCOE_ERROR (0x21) + +/* KCQ (kernel completion queue) completion status */ +#define FCOE_KCQE_COMPLETION_STATUS_SUCCESS (0x0) +#define FCOE_KCQE_COMPLETION_STATUS_ERROR (0x1) +#define FCOE_KCQE_COMPLETION_STATUS_INVALID_OPCODE (0x2) +#define FCOE_KCQE_COMPLETION_STATUS_CTX_ALLOC_FAILURE (0x3) +#define FCOE_KCQE_COMPLETION_STATUS_CTX_FREE_FAILURE (0x4) +#define FCOE_KCQE_COMPLETION_STATUS_NIC_ERROR (0x5) +#define FCOE_KCQE_COMPLETION_STATUS_WRONG_HSI_VERSION (0x6) +#define FCOE_KCQE_COMPLETION_STATUS_PARITY_ERROR (0x81) + +/* CQE type */ +#define FCOE_PENDING_CQE_TYPE 0 +#define FCOE_UNSOLIC_CQE_TYPE 1 + +/* Unsolicited CQE type */ +#define FCOE_UNSOLICITED_FRAME_CQE_TYPE 0 +#define FCOE_ERROR_DETECTION_CQE_TYPE 1 +#define FCOE_WARNING_DETECTION_CQE_TYPE 2 + +/* E_D_TOV timer resolution in ms */ +#define FCOE_E_D_TOV_TIMER_RESOLUTION_MS (20) + +/* E_D_TOV timer resolution for SDM (4 micro) */ +#define FCOE_E_D_TOV_SDM_TIMER_RESOLUTION \ + (FCOE_E_D_TOV_TIMER_RESOLUTION_MS * 1000 / 4) + +/* REC timer resolution in ms */ +#define FCOE_REC_TIMER_RESOLUTION_MS (20) + +/* REC timer resolution for SDM (4 micro) */ +#define FCOE_REC_SDM_TIMER_RESOLUTION (FCOE_REC_TIMER_RESOLUTION_MS * 1000 / 4) + +/* E_D_TOV timer default wraparound value (2 sec) in 20 ms resolution */ +#define FCOE_E_D_TOV_DEFAULT_WRAPAROUND_VAL \ + (2000 / FCOE_E_D_TOV_TIMER_RESOLUTION_MS) + +/* REC_TOV timer default wraparound value (3 sec) in 20 ms resolution */ +#define FCOE_REC_TOV_DEFAULT_WRAPAROUND_VAL \ + (3000 / FCOE_REC_TIMER_RESOLUTION_MS) + +#define FCOE_NUM_OF_TIMER_TASKS (8 * 1024) + +#define FCOE_NUM_OF_CACHED_TASKS_TIMER (8) + +/* Task context constants */ +/******** Remove FCP_CMD write tce sleep ***********************/ +/* In case timer services are required then shall be updated by Xstorm after + * start processing the task. In case no timer facilities are required then the + * driver would initialize the state to this value + * +#define FCOE_TASK_TX_STATE_NORMAL 0 + * After driver has initialize the task in case timer services required * +#define FCOE_TASK_TX_STATE_INIT 1 +******** Remove FCP_CMD write tce sleep ***********************/ +/* After driver has initialize the task in case timer services required */ +#define FCOE_TASK_TX_STATE_INIT 0 +/* In case timer services are required then shall be updated by Xstorm after + * start processing the task. In case no timer facilities are required then the + * driver would initialize the state to this value + */ +#define FCOE_TASK_TX_STATE_NORMAL 1 +/* Task is under abort procedure. Updated in order to stop processing of + * pending WQEs on this task + */ +#define FCOE_TASK_TX_STATE_ABORT 2 +/* For E_D_T_TOV timer expiration in Xstorm (Class 2 only) */ +#define FCOE_TASK_TX_STATE_ERROR 3 +/* For REC_TOV timer expiration indication received from Xstorm */ +#define FCOE_TASK_TX_STATE_WARNING 4 +/* For completed unsolicited task */ +#define FCOE_TASK_TX_STATE_UNSOLICITED_COMPLETED 5 +/* For exchange cleanup request task */ +#define FCOE_TASK_TX_STATE_EXCHANGE_CLEANUP 6 +/* For sequence cleanup request task */ +#define FCOE_TASK_TX_STATE_SEQUENCE_CLEANUP 7 +/* For completion the ABTS task. */ +#define FCOE_TASK_TX_STATE_ABTS_TX 8 + +#define FCOE_TASK_RX_STATE_NORMAL 0 +#define FCOE_TASK_RX_STATE_COMPLETED 1 +/* Obsolete: Intermediate completion (middle path with local completion) */ +#define FCOE_TASK_RX_STATE_INTER_COMP 2 +/* For REC_TOV timer expiration indication received from Xstorm */ +#define FCOE_TASK_RX_STATE_WARNING 3 +/* For E_D_T_TOV timer expiration in Ustorm */ +#define FCOE_TASK_RX_STATE_ERROR 4 +/* FW only: First visit at rx-path, part of the abts round trip */ +#define FCOE_TASK_RX_STATE_ABTS_IN_PROCESS 5 +/* FW only: Second visit at rx-path, after ABTS frame transmitted */ +#define FCOE_TASK_RX_STATE_ABTS_TRANSMITTED 6 +/* Special completion indication in case of task was aborted. */ +#define FCOE_TASK_RX_STATE_ABTS_COMPLETED 7 +/* FW only: First visit at rx-path, part of the cleanup round trip */ +#define FCOE_TASK_RX_STATE_EXCHANGE_CLEANUP_IN_PROCESS 8 +/* FW only: Special completion indication in case of task was cleaned. */ +#define FCOE_TASK_RX_STATE_EXCHANGE_CLEANUP_COMPLETED 9 +/* Not in used: Special completion indication (in task requested the exchange + * cleanup) in case cleaned task is in non-valid. + */ +#define FCOE_TASK_RX_STATE_ABORT_CLEANUP_COMPLETED 10 +/* Special completion indication (in task requested the sequence cleanup) in + * case cleaned task was already returned to normal. + */ +#define FCOE_TASK_RX_STATE_IGNORED_SEQUENCE_CLEANUP 11 + + +#define FCOE_TASK_TYPE_WRITE 0 +#define FCOE_TASK_TYPE_READ 1 +#define FCOE_TASK_TYPE_MIDPATH 2 +#define FCOE_TASK_TYPE_UNSOLICITED 3 +#define FCOE_TASK_TYPE_ABTS 4 +#define FCOE_TASK_TYPE_EXCHANGE_CLEANUP 5 +#define FCOE_TASK_TYPE_SEQUENCE_CLEANUP 6 + +#define FCOE_TASK_DEV_TYPE_DISK 0 +#define FCOE_TASK_DEV_TYPE_TAPE 1 + +#define FCOE_TASK_CLASS_TYPE_3 0 +#define FCOE_TASK_CLASS_TYPE_2 1 + +/* FCoE/FC packet fields */ +#define FCOE_ETH_TYPE 0x8906 + +/* FCoE maximum elements in hash table */ +#define FCOE_MAX_ELEMENTS_IN_HASH_TABLE_ROW 8 + +/* FCoE half of the elements in hash table */ +#define FCOE_HALF_ELEMENTS_IN_HASH_TABLE_ROW \ + (FCOE_MAX_ELEMENTS_IN_HASH_TABLE_ROW / 2) + +/* FcoE number of cached T2 entries */ +#define T_FCOE_NUMBER_OF_CACHED_T2_ENTRIES (4) + +/* FCoE maximum elements in hash table */ +#define FCOE_HASH_TBL_CHUNK_SIZE 16384 + +/* Everest FCoE connection type */ +#define B577XX_FCOE_CONNECTION_TYPE 4 + +/* FCoE number of rows (in log). This number derives + * from the maximum connections supported which is 2048. + * TBA: Need a different constant for E2 + */ +#define FCOE_MAX_NUM_SESSIONS_LOG 11 + +#define FC_ABTS_REPLY_MAX_PAYLOAD_LEN 12 + +/* Error codes for Error Reporting in slow path flows */ +#define FCOE_SLOW_PATH_ERROR_CODE_TOO_MANY_FUNCS 0 +#define FCOE_SLOW_PATH_ERROR_CODE_NO_LICENSE 1 + +/* Error codes for Error Reporting in fast path flows + * XFER error codes + */ +#define FCOE_ERROR_CODE_XFER_OOO_RO 0 +#define FCOE_ERROR_CODE_XFER_RO_NOT_ALIGNED 1 +#define FCOE_ERROR_CODE_XFER_NULL_BURST_LEN 2 +#define FCOE_ERROR_CODE_XFER_RO_GREATER_THAN_DATA2TRNS 3 +#define FCOE_ERROR_CODE_XFER_INVALID_PAYLOAD_SIZE 4 +#define FCOE_ERROR_CODE_XFER_TASK_TYPE_NOT_WRITE 5 +#define FCOE_ERROR_CODE_XFER_PEND_XFER_SET 6 +#define FCOE_ERROR_CODE_XFER_OPENED_SEQ 7 +#define FCOE_ERROR_CODE_XFER_FCTL 8 + +/* FCP RSP error codes */ +#define FCOE_ERROR_CODE_FCP_RSP_BIDI_FLAGS_SET 9 +#define FCOE_ERROR_CODE_FCP_RSP_UNDERFLOW 10 +#define FCOE_ERROR_CODE_FCP_RSP_OVERFLOW 11 +#define FCOE_ERROR_CODE_FCP_RSP_INVALID_LENGTH_FIELD 12 +#define FCOE_ERROR_CODE_FCP_RSP_INVALID_SNS_FIELD 13 +#define FCOE_ERROR_CODE_FCP_RSP_INVALID_PAYLOAD_SIZE 14 +#define FCOE_ERROR_CODE_FCP_RSP_PEND_XFER_SET 15 +#define FCOE_ERROR_CODE_FCP_RSP_OPENED_SEQ 16 +#define FCOE_ERROR_CODE_FCP_RSP_FCTL 17 +#define FCOE_ERROR_CODE_FCP_RSP_LAST_SEQ_RESET 18 +#define FCOE_ERROR_CODE_FCP_RSP_CONF_REQ_NOT_SUPPORTED_YET 19 + +/* FCP DATA error codes */ +#define FCOE_ERROR_CODE_DATA_OOO_RO 20 +#define FCOE_ERROR_CODE_DATA_EXCEEDS_DEFINED_MAX_FRAME_SIZE 21 +#define FCOE_ERROR_CODE_DATA_EXCEEDS_DATA2TRNS 22 +#define FCOE_ERROR_CODE_DATA_SOFI3_SEQ_ACTIVE_SET 23 +#define FCOE_ERROR_CODE_DATA_SOFN_SEQ_ACTIVE_RESET 24 +#define FCOE_ERROR_CODE_DATA_EOFN_END_SEQ_SET 25 +#define FCOE_ERROR_CODE_DATA_EOFT_END_SEQ_RESET 26 +#define FCOE_ERROR_CODE_DATA_TASK_TYPE_NOT_READ 27 +#define FCOE_ERROR_CODE_DATA_FCTL 28 + +/* Middle path error codes */ +#define FCOE_ERROR_CODE_MIDPATH_INVALID_TYPE 29 +#define FCOE_ERROR_CODE_MIDPATH_SOFI3_SEQ_ACTIVE_SET 30 +#define FCOE_ERROR_CODE_MIDPATH_SOFN_SEQ_ACTIVE_RESET 31 +#define FCOE_ERROR_CODE_MIDPATH_EOFN_END_SEQ_SET 32 +#define FCOE_ERROR_CODE_MIDPATH_EOFT_END_SEQ_RESET 33 +#define FCOE_ERROR_CODE_MIDPATH_REPLY_FCTL 34 +#define FCOE_ERROR_CODE_MIDPATH_INVALID_REPLY 35 +#define FCOE_ERROR_CODE_MIDPATH_ELS_REPLY_RCTL 36 + +/* ABTS error codes */ +#define FCOE_ERROR_CODE_ABTS_REPLY_F_CTL 37 +#define FCOE_ERROR_CODE_ABTS_REPLY_DDF_RCTL_FIELD 38 +#define FCOE_ERROR_CODE_ABTS_REPLY_INVALID_BLS_RCTL 39 +#define FCOE_ERROR_CODE_ABTS_REPLY_INVALID_RCTL 40 +#define FCOE_ERROR_CODE_ABTS_REPLY_RCTL_GENERAL_MISMATCH 41 + +/* Common error codes */ +#define FCOE_ERROR_CODE_COMMON_MIDDLE_FRAME_WITH_PAD 42 +#define FCOE_ERROR_CODE_COMMON_SEQ_INIT_IN_TCE 43 +#define FCOE_ERROR_CODE_COMMON_FC_HDR_RX_ID_MISMATCH 44 +#define FCOE_ERROR_CODE_COMMON_INCORRECT_SEQ_CNT 45 +#define FCOE_ERROR_CODE_COMMON_DATA_FC_HDR_FCP_TYPE_MISMATCH 46 +#define FCOE_ERROR_CODE_COMMON_DATA_NO_MORE_SGES 47 +#define FCOE_ERROR_CODE_COMMON_OPTIONAL_FC_HDR 48 +#define FCOE_ERROR_CODE_COMMON_READ_TCE_OX_ID_TOO_BIG 49 +#define FCOE_ERROR_CODE_COMMON_DATA_WAS_NOT_TRANSMITTED 50 + +/* Unsolicited Rx error codes */ +#define FCOE_ERROR_CODE_UNSOLICITED_TYPE_NOT_ELS 51 +#define FCOE_ERROR_CODE_UNSOLICITED_TYPE_NOT_BLS 52 +#define FCOE_ERROR_CODE_UNSOLICITED_FCTL_ELS 53 +#define FCOE_ERROR_CODE_UNSOLICITED_FCTL_BLS 54 +#define FCOE_ERROR_CODE_UNSOLICITED_R_CTL 55 + +#define FCOE_ERROR_CODE_RW_TASK_DDF_RCTL_INFO_FIELD 56 +#define FCOE_ERROR_CODE_RW_TASK_INVALID_RCTL 57 +#define FCOE_ERROR_CODE_RW_TASK_RCTL_GENERAL_MISMATCH 58 + +/* Timer error codes */ +#define FCOE_ERROR_CODE_E_D_TOV_TIMER_EXPIRATION 60 +#define FCOE_ERROR_CODE_REC_TOV_TIMER_EXPIRATION 61 + + +#endif /* BNX2FC_CONSTANTS_H_ */ |