drivers/scsi/qedf/qedf_hsi.h - linux/torvalds/linux - Git at Google

 /* SPDX-License-Identifier: GPL-2.0-only */
 /*
  *  QLogic FCoE Offload Driver
  *  Copyright (c) 2016-2018 Cavium Inc.
  */
 #ifndef __QEDF_HSI__
 #define __QEDF_HSI__
 /*
  * Add include to common target
  */
 #include <linux/qed/common_hsi.h>

 /*
  * Add include to common storage target
  */
 #include <linux/qed/storage_common.h>

 /*
  * Add include to common fcoe target for both eCore and protocol driver
  */
 #include <linux/qed/fcoe_common.h>


 /*
  * FCoE CQ element ABTS information
  */
 struct fcoe_abts_info {
 	u8 r_ctl /* R_CTL in the ABTS response frame */;
 	u8 reserved0;
 	__le16 rx_id;
 	__le32 reserved2[2];
 	__le32 fc_payload[3] /* ABTS FC payload response frame */;
 };


 /*
  * FCoE class type
  */
 enum fcoe_class_type {
 	FCOE_TASK_CLASS_TYPE_3,
 	FCOE_TASK_CLASS_TYPE_2,
 	MAX_FCOE_CLASS_TYPE
 };


 /*
  * FCoE CMDQ element control information
  */
 struct fcoe_cmdqe_control {
 	__le16 conn_id;
 	u8 num_additional_cmdqes;
 	u8 cmdType;
 	/* true for ABTS request cmdqe. used in Target mode */
 #define FCOE_CMDQE_CONTROL_ABTSREQCMD_MASK  0x1
 #define FCOE_CMDQE_CONTROL_ABTSREQCMD_SHIFT 0
 #define FCOE_CMDQE_CONTROL_RESERVED1_MASK   0x7F
 #define FCOE_CMDQE_CONTROL_RESERVED1_SHIFT  1
 	u8 reserved2[4];
 };

 /*
  * FCoE control + payload CMDQ element
  */
 struct fcoe_cmdqe {
 	struct fcoe_cmdqe_control hdr;
 	u8 fc_header[24];
 	__le32 fcp_cmd_payload[8];
 };


 /*
  * FCP RSP flags
  */
 struct fcoe_fcp_rsp_flags {
 	u8 flags;
 #define FCOE_FCP_RSP_FLAGS_FCP_RSP_LEN_VALID_MASK  0x1
 #define FCOE_FCP_RSP_FLAGS_FCP_RSP_LEN_VALID_SHIFT 0
 #define FCOE_FCP_RSP_FLAGS_FCP_SNS_LEN_VALID_MASK  0x1
 #define FCOE_FCP_RSP_FLAGS_FCP_SNS_LEN_VALID_SHIFT 1
 #define FCOE_FCP_RSP_FLAGS_FCP_RESID_OVER_MASK     0x1
 #define FCOE_FCP_RSP_FLAGS_FCP_RESID_OVER_SHIFT    2
 #define FCOE_FCP_RSP_FLAGS_FCP_RESID_UNDER_MASK    0x1
 #define FCOE_FCP_RSP_FLAGS_FCP_RESID_UNDER_SHIFT   3
 #define FCOE_FCP_RSP_FLAGS_FCP_CONF_REQ_MASK       0x1
 #define FCOE_FCP_RSP_FLAGS_FCP_CONF_REQ_SHIFT      4
 #define FCOE_FCP_RSP_FLAGS_FCP_BIDI_FLAGS_MASK     0x7
 #define FCOE_FCP_RSP_FLAGS_FCP_BIDI_FLAGS_SHIFT    5
 };

 /*
  * FCoE CQ element response information
  */
 struct fcoe_cqe_rsp_info {
 	struct fcoe_fcp_rsp_flags rsp_flags;
 	u8 scsi_status_code;
 	__le16 retry_delay_timer;
 	__le32 fcp_resid;
 	__le32 fcp_sns_len;
 	__le32 fcp_rsp_len;
 	__le16 rx_id;
 	u8 fw_error_flags;
 #define FCOE_CQE_RSP_INFO_FW_UNDERRUN_MASK  0x1 /* FW detected underrun */
 #define FCOE_CQE_RSP_INFO_FW_UNDERRUN_SHIFT 0
 #define FCOE_CQE_RSP_INFO_RESREVED_MASK     0x7F
 #define FCOE_CQE_RSP_INFO_RESREVED_SHIFT    1
 	u8 reserved;
 	__le32 fw_residual /* Residual bytes calculated by FW */;
 };

 /*
  * FCoE CQ element Target completion information
  */
 struct fcoe_cqe_target_info {
 	__le16 rx_id;
 	__le16 reserved0;
 	__le32 reserved1[5];
 };

 /*
  * FCoE error/warning reporting entry
  */
 struct fcoe_err_report_entry {
 	__le32 err_warn_bitmap_lo /* Error bitmap lower 32 bits */;
 	__le32 err_warn_bitmap_hi /* Error bitmap higher 32 bits */;
 	/* Buffer offset the beginning of the Sequence last transmitted */
 	__le32 tx_buf_off;
 	/* Buffer offset from the beginning of the Sequence last received */
 	__le32 rx_buf_off;
 	__le16 rx_id /* RX_ID of the associated task */;
 	__le16 reserved1;
 	__le32 reserved2;
 };

 /*
  * FCoE CQ element middle path information
  */
 struct fcoe_cqe_midpath_info {
 	__le32 data_placement_size;
 	__le16 rx_id;
 	__le16 reserved0;
 	__le32 reserved1[4];
 };

 /*
  * FCoE CQ element unsolicited information
  */
 struct fcoe_unsolic_info {
 	/* BD information: Physical address and opaque data */
 	struct scsi_bd bd_info;
 	__le16 conn_id /* Connection ID the frame is associated to */;
 	__le16 pkt_len /* Packet length */;
 	u8 reserved1[4];
 };

 /*
  * FCoE warning reporting entry
  */
 struct fcoe_warning_report_entry {
 	/* BD information: Physical address and opaque data */
 	struct scsi_bd bd_info;
 	/* Buffer offset the beginning of the Sequence last transmitted */
 	__le32 buf_off;
 	__le16 rx_id /* RX_ID of the associated task */;
 	__le16 reserved1;
 };

 /*
  * FCoE CQ element information
  */
 union fcoe_cqe_info {
 	struct fcoe_cqe_rsp_info rsp_info /* Response completion information */;
 	/* Target completion information */
 	struct fcoe_cqe_target_info target_info;
 	/* Error completion information */
 	struct fcoe_err_report_entry err_info;
 	struct fcoe_abts_info abts_info /* ABTS completion information */;
 	/* Middle path completion information */
 	struct fcoe_cqe_midpath_info midpath_info;
 	/* Unsolicited packet completion information */
 	struct fcoe_unsolic_info unsolic_info;
 	/* Warning completion information (Rec Tov expiration) */
 	struct fcoe_warning_report_entry warn_info;
 };

 /*
  * FCoE CQ element
  */
 struct fcoe_cqe {
 	__le32 cqe_data;
 	/* The task identifier (OX_ID) to be completed */
 #define FCOE_CQE_TASK_ID_MASK    0xFFFF
 #define FCOE_CQE_TASK_ID_SHIFT   0
 	/*
 	 * The CQE type: 0x0 Indicating on a pending work request completion.
 	 * 0x1 - Indicating on an unsolicited event notification. use enum
 	 * fcoe_cqe_type  (use enum fcoe_cqe_type)
 	 */
 #define FCOE_CQE_CQE_TYPE_MASK   0xF
 #define FCOE_CQE_CQE_TYPE_SHIFT  16
 #define FCOE_CQE_RESERVED0_MASK  0xFFF
 #define FCOE_CQE_RESERVED0_SHIFT 20
 	__le16 reserved1;
 	__le16 fw_cq_prod;
 	union fcoe_cqe_info cqe_info;
 };

 /*
  * FCoE CQE type
  */
 enum fcoe_cqe_type {
 	/* solicited response on a R/W or middle-path SQE */
 	FCOE_GOOD_COMPLETION_CQE_TYPE,
 	FCOE_UNSOLIC_CQE_TYPE /* unsolicited packet, RQ consumed */,
 	FCOE_ERROR_DETECTION_CQE_TYPE /* timer expiration, validation error */,
 	FCOE_WARNING_CQE_TYPE /* rec_tov or rr_tov timer expiration */,
 	FCOE_EXCH_CLEANUP_CQE_TYPE /* task cleanup completed */,
 	FCOE_ABTS_CQE_TYPE /* ABTS received and task cleaned */,
 	FCOE_DUMMY_CQE_TYPE /* just increment SQ CONS */,
 	/* Task was completed wight after sending a pkt to the target */
 	FCOE_LOCAL_COMP_CQE_TYPE,
 	MAX_FCOE_CQE_TYPE
 };

 /*
  * FCoE fast path error codes
  */
 enum fcoe_fp_error_warning_code {
 	FCOE_ERROR_CODE_XFER_OOO_RO /* XFER error codes */,
 	FCOE_ERROR_CODE_XFER_RO_NOT_ALIGNED,
 	FCOE_ERROR_CODE_XFER_NULL_BURST_LEN,
 	FCOE_ERROR_CODE_XFER_RO_GREATER_THAN_DATA2TRNS,
 	FCOE_ERROR_CODE_XFER_INVALID_PAYLOAD_SIZE,
 	FCOE_ERROR_CODE_XFER_TASK_TYPE_NOT_WRITE,
 	FCOE_ERROR_CODE_XFER_PEND_XFER_SET,
 	FCOE_ERROR_CODE_XFER_OPENED_SEQ,
 	FCOE_ERROR_CODE_XFER_FCTL,
 	FCOE_ERROR_CODE_FCP_RSP_BIDI_FLAGS_SET /* FCP RSP error codes */,
 	FCOE_ERROR_CODE_FCP_RSP_INVALID_LENGTH_FIELD,
 	FCOE_ERROR_CODE_FCP_RSP_INVALID_SNS_FIELD,
 	FCOE_ERROR_CODE_FCP_RSP_INVALID_PAYLOAD_SIZE,
 	FCOE_ERROR_CODE_FCP_RSP_PEND_XFER_SET,
 	FCOE_ERROR_CODE_FCP_RSP_OPENED_SEQ,
 	FCOE_ERROR_CODE_FCP_RSP_FCTL,
 	FCOE_ERROR_CODE_FCP_RSP_LAST_SEQ_RESET,
 	FCOE_ERROR_CODE_FCP_RSP_CONF_REQ_NOT_SUPPORTED_YET,
 	FCOE_ERROR_CODE_DATA_OOO_RO /* FCP DATA error codes */,
 	FCOE_ERROR_CODE_DATA_EXCEEDS_DEFINED_MAX_FRAME_SIZE,
 	FCOE_ERROR_CODE_DATA_EXCEEDS_DATA2TRNS,
 	FCOE_ERROR_CODE_DATA_SOFI3_SEQ_ACTIVE_SET,
 	FCOE_ERROR_CODE_DATA_SOFN_SEQ_ACTIVE_RESET,
 	FCOE_ERROR_CODE_DATA_EOFN_END_SEQ_SET,
 	FCOE_ERROR_CODE_DATA_EOFT_END_SEQ_RESET,
 	FCOE_ERROR_CODE_DATA_TASK_TYPE_NOT_READ,
 	FCOE_ERROR_CODE_DATA_FCTL_INITIATIR,
 	FCOE_ERROR_CODE_MIDPATH_INVALID_TYPE /* Middle path error codes */,
 	FCOE_ERROR_CODE_MIDPATH_SOFI3_SEQ_ACTIVE_SET,
 	FCOE_ERROR_CODE_MIDPATH_SOFN_SEQ_ACTIVE_RESET,
 	FCOE_ERROR_CODE_MIDPATH_EOFN_END_SEQ_SET,
 	FCOE_ERROR_CODE_MIDPATH_EOFT_END_SEQ_RESET,
 	FCOE_ERROR_CODE_MIDPATH_REPLY_FCTL,
 	FCOE_ERROR_CODE_MIDPATH_INVALID_REPLY,
 	FCOE_ERROR_CODE_MIDPATH_ELS_REPLY_RCTL,
 	FCOE_ERROR_CODE_COMMON_MIDDLE_FRAME_WITH_PAD /* Common error codes */,
 	FCOE_ERROR_CODE_COMMON_SEQ_INIT_IN_TCE,
 	FCOE_ERROR_CODE_COMMON_FC_HDR_RX_ID_MISMATCH,
 	FCOE_ERROR_CODE_COMMON_INCORRECT_SEQ_CNT,
 	FCOE_ERROR_CODE_COMMON_DATA_FC_HDR_FCP_TYPE_MISMATCH,
 	FCOE_ERROR_CODE_COMMON_DATA_NO_MORE_SGES,
 	FCOE_ERROR_CODE_COMMON_OPTIONAL_FC_HDR,
 	FCOE_ERROR_CODE_COMMON_READ_TCE_OX_ID_TOO_BIG,
 	FCOE_ERROR_CODE_COMMON_DATA_WAS_NOT_TRANSMITTED,
 	FCOE_ERROR_CODE_COMMON_TASK_DDF_RCTL_INFO_FIELD,
 	FCOE_ERROR_CODE_COMMON_TASK_INVALID_RCTL,
 	FCOE_ERROR_CODE_COMMON_TASK_RCTL_GENERAL_MISMATCH,
 	FCOE_ERROR_CODE_E_D_TOV_TIMER_EXPIRATION /* Timer error codes */,
 	FCOE_WARNING_CODE_REC_TOV_TIMER_EXPIRATION /* Timer error codes */,
 	FCOE_ERROR_CODE_RR_TOV_TIMER_EXPIRATION /* Timer error codes */,
 	/* ABTSrsp pckt arrived unexpected */
 	FCOE_ERROR_CODE_ABTS_REPLY_UNEXPECTED,
 	FCOE_ERROR_CODE_TARGET_MODE_FCP_RSP,
 	FCOE_ERROR_CODE_TARGET_MODE_FCP_XFER,
 	FCOE_ERROR_CODE_TARGET_MODE_DATA_TASK_TYPE_NOT_WRITE,
 	FCOE_ERROR_CODE_DATA_FCTL_TARGET,
 	FCOE_ERROR_CODE_TARGET_DATA_SIZE_NO_MATCH_XFER,
 	FCOE_ERROR_CODE_TARGET_DIF_CRC_CHECKSUM_ERROR,
 	FCOE_ERROR_CODE_TARGET_DIF_REF_TAG_ERROR,
 	FCOE_ERROR_CODE_TARGET_DIF_APP_TAG_ERROR,
 	MAX_FCOE_FP_ERROR_WARNING_CODE
 };


 /*
  * FCoE RESPQ element
  */
 struct fcoe_respqe {
 	__le16 ox_id /* OX_ID that is located in the FCP_RSP FC header */;
 	__le16 rx_id /* RX_ID that is located in the FCP_RSP FC header */;
 	__le32 additional_info;
 /* PARAM that is located in the FCP_RSP FC header */
 #define FCOE_RESPQE_PARAM_MASK            0xFFFFFF
 #define FCOE_RESPQE_PARAM_SHIFT           0
 /* Indication whther its Target-auto-rsp mode or not */
 #define FCOE_RESPQE_TARGET_AUTO_RSP_MASK  0xFF
 #define FCOE_RESPQE_TARGET_AUTO_RSP_SHIFT 24
 };


 /*
  * FCoE slow path error codes
  */
 enum fcoe_sp_error_code {
 	/* Error codes for Error Reporting in slow path flows */
 	FCOE_ERROR_CODE_SLOW_PATH_TOO_MANY_FUNCS,
 	FCOE_ERROR_SLOW_PATH_CODE_NO_LICENSE,
 	MAX_FCOE_SP_ERROR_CODE
 };

 /*
  * FCoE task TX state
  */
 enum fcoe_task_tx_state {
 	/* Initiate state after driver has initialized the task */
 	FCOE_TASK_TX_STATE_NORMAL,
 	/* Updated by TX path after complete transmitting unsolicited packet */
 	FCOE_TASK_TX_STATE_UNSOLICITED_COMPLETED,
 	/*
 	 * Updated by TX path after start processing the task requesting the
 	 * cleanup/abort operation
 	 */
 	FCOE_TASK_TX_STATE_CLEAN_REQ,
 	FCOE_TASK_TX_STATE_ABTS /* Updated by TX path during abort procedure */,
 	/* Updated by TX path during exchange cleanup procedure */
 	FCOE_TASK_TX_STATE_EXCLEANUP,
 	/*
 	 * Updated by TX path during exchange cleanup continuation task
 	 * procedure
 	 */
 	FCOE_TASK_TX_STATE_EXCLEANUP_TARGET_WRITE_CONT,
 	/* Updated by TX path during exchange cleanup first xfer procedure */
 	FCOE_TASK_TX_STATE_EXCLEANUP_TARGET_WRITE,
 	/* Updated by TX path during exchange cleanup read task in Target */
 	FCOE_TASK_TX_STATE_EXCLEANUP_TARGET_READ_OR_RSP,
 	/* Updated by TX path during target exchange cleanup procedure */
 	FCOE_TASK_TX_STATE_EXCLEANUP_TARGET_WRITE_LAST_CYCLE,
 	/* Updated by TX path during sequence recovery procedure */
 	FCOE_TASK_TX_STATE_SEQRECOVERY,
 	MAX_FCOE_TASK_TX_STATE
 };

 #endif /* __QEDF_HSI__ */
	/* SPDX-License-Identifier: GPL-2.0-only */
	/*
	* QLogic FCoE Offload Driver
	* Copyright (c) 2016-2018 Cavium Inc.
	*/
	#ifndef __QEDF_HSI__
	#define __QEDF_HSI__
	/*
	* Add include to common target
	*/
	#include <linux/qed/common_hsi.h>

	/*
	* Add include to common storage target
	*/
	#include <linux/qed/storage_common.h>

	/*
	* Add include to common fcoe target for both eCore and protocol driver
	*/
	#include <linux/qed/fcoe_common.h>


	/*
	* FCoE CQ element ABTS information
	*/
	struct fcoe_abts_info {
	u8 r_ctl /* R_CTL in the ABTS response frame */;
	u8 reserved0;
	__le16 rx_id;
	__le32 reserved2[2];
	__le32 fc_payload[3] /* ABTS FC payload response frame */;
	};


	/*
	* FCoE class type
	*/
	enum fcoe_class_type {
	FCOE_TASK_CLASS_TYPE_3,
	FCOE_TASK_CLASS_TYPE_2,
	MAX_FCOE_CLASS_TYPE
	};


	/*
	* FCoE CMDQ element control information
	*/
	struct fcoe_cmdqe_control {
	__le16 conn_id;
	u8 num_additional_cmdqes;
	u8 cmdType;
	/* true for ABTS request cmdqe. used in Target mode */
	#define FCOE_CMDQE_CONTROL_ABTSREQCMD_MASK 0x1
	#define FCOE_CMDQE_CONTROL_ABTSREQCMD_SHIFT 0
	#define FCOE_CMDQE_CONTROL_RESERVED1_MASK 0x7F
	#define FCOE_CMDQE_CONTROL_RESERVED1_SHIFT 1
	u8 reserved2[4];
	};

	/*
	* FCoE control + payload CMDQ element
	*/
	struct fcoe_cmdqe {
	struct fcoe_cmdqe_control hdr;
	u8 fc_header[24];
	__le32 fcp_cmd_payload[8];
	};



	/*
	* FCP RSP flags
	*/
	struct fcoe_fcp_rsp_flags {
	u8 flags;
	#define FCOE_FCP_RSP_FLAGS_FCP_RSP_LEN_VALID_MASK 0x1
	#define FCOE_FCP_RSP_FLAGS_FCP_RSP_LEN_VALID_SHIFT 0
	#define FCOE_FCP_RSP_FLAGS_FCP_SNS_LEN_VALID_MASK 0x1
	#define FCOE_FCP_RSP_FLAGS_FCP_SNS_LEN_VALID_SHIFT 1
	#define FCOE_FCP_RSP_FLAGS_FCP_RESID_OVER_MASK 0x1
	#define FCOE_FCP_RSP_FLAGS_FCP_RESID_OVER_SHIFT 2
	#define FCOE_FCP_RSP_FLAGS_FCP_RESID_UNDER_MASK 0x1
	#define FCOE_FCP_RSP_FLAGS_FCP_RESID_UNDER_SHIFT 3
	#define FCOE_FCP_RSP_FLAGS_FCP_CONF_REQ_MASK 0x1
	#define FCOE_FCP_RSP_FLAGS_FCP_CONF_REQ_SHIFT 4
	#define FCOE_FCP_RSP_FLAGS_FCP_BIDI_FLAGS_MASK 0x7
	#define FCOE_FCP_RSP_FLAGS_FCP_BIDI_FLAGS_SHIFT 5
	};

	/*
	* FCoE CQ element response information
	*/
	struct fcoe_cqe_rsp_info {
	struct fcoe_fcp_rsp_flags rsp_flags;
	u8 scsi_status_code;
	__le16 retry_delay_timer;
	__le32 fcp_resid;
	__le32 fcp_sns_len;
	__le32 fcp_rsp_len;
	__le16 rx_id;
	u8 fw_error_flags;
	#define FCOE_CQE_RSP_INFO_FW_UNDERRUN_MASK 0x1 /* FW detected underrun */
	#define FCOE_CQE_RSP_INFO_FW_UNDERRUN_SHIFT 0
	#define FCOE_CQE_RSP_INFO_RESREVED_MASK 0x7F
	#define FCOE_CQE_RSP_INFO_RESREVED_SHIFT 1
	u8 reserved;
	__le32 fw_residual /* Residual bytes calculated by FW */;
	};

	/*
	* FCoE CQ element Target completion information
	*/
	struct fcoe_cqe_target_info {
	__le16 rx_id;
	__le16 reserved0;
	__le32 reserved1[5];
	};

	/*
	* FCoE error/warning reporting entry
	*/
	struct fcoe_err_report_entry {
	__le32 err_warn_bitmap_lo /* Error bitmap lower 32 bits */;
	__le32 err_warn_bitmap_hi /* Error bitmap higher 32 bits */;
	/* Buffer offset the beginning of the Sequence last transmitted */
	__le32 tx_buf_off;
	/* Buffer offset from the beginning of the Sequence last received */
	__le32 rx_buf_off;
	__le16 rx_id /* RX_ID of the associated task */;
	__le16 reserved1;
	__le32 reserved2;
	};

	/*
	* FCoE CQ element middle path information
	*/
	struct fcoe_cqe_midpath_info {
	__le32 data_placement_size;
	__le16 rx_id;
	__le16 reserved0;
	__le32 reserved1[4];
	};

	/*
	* FCoE CQ element unsolicited information
	*/
	struct fcoe_unsolic_info {
	/* BD information: Physical address and opaque data */
	struct scsi_bd bd_info;
	__le16 conn_id /* Connection ID the frame is associated to */;
	__le16 pkt_len /* Packet length */;
	u8 reserved1[4];
	};

	/*
	* FCoE warning reporting entry
	*/
	struct fcoe_warning_report_entry {
	/* BD information: Physical address and opaque data */
	struct scsi_bd bd_info;
	/* Buffer offset the beginning of the Sequence last transmitted */
	__le32 buf_off;
	__le16 rx_id /* RX_ID of the associated task */;
	__le16 reserved1;
	};

	/*
	* FCoE CQ element information
	*/
	union fcoe_cqe_info {
	struct fcoe_cqe_rsp_info rsp_info /* Response completion information */;
	/* Target completion information */
	struct fcoe_cqe_target_info target_info;
	/* Error completion information */
	struct fcoe_err_report_entry err_info;
	struct fcoe_abts_info abts_info /* ABTS completion information */;
	/* Middle path completion information */
	struct fcoe_cqe_midpath_info midpath_info;
	/* Unsolicited packet completion information */
	struct fcoe_unsolic_info unsolic_info;
	/* Warning completion information (Rec Tov expiration) */
	struct fcoe_warning_report_entry warn_info;
	};

	/*
	* FCoE CQ element
	*/
	struct fcoe_cqe {
	__le32 cqe_data;
	/* The task identifier (OX_ID) to be completed */
	#define FCOE_CQE_TASK_ID_MASK 0xFFFF
	#define FCOE_CQE_TASK_ID_SHIFT 0
	/*
	* The CQE type: 0x0 Indicating on a pending work request completion.
	* 0x1 - Indicating on an unsolicited event notification. use enum
	* fcoe_cqe_type (use enum fcoe_cqe_type)
	*/
	#define FCOE_CQE_CQE_TYPE_MASK 0xF
	#define FCOE_CQE_CQE_TYPE_SHIFT 16
	#define FCOE_CQE_RESERVED0_MASK 0xFFF
	#define FCOE_CQE_RESERVED0_SHIFT 20
	__le16 reserved1;
	__le16 fw_cq_prod;
	union fcoe_cqe_info cqe_info;
	};

	/*
	* FCoE CQE type
	*/
	enum fcoe_cqe_type {
	/* solicited response on a R/W or middle-path SQE */
	FCOE_GOOD_COMPLETION_CQE_TYPE,
	FCOE_UNSOLIC_CQE_TYPE /* unsolicited packet, RQ consumed */,
	FCOE_ERROR_DETECTION_CQE_TYPE /* timer expiration, validation error */,
	FCOE_WARNING_CQE_TYPE /* rec_tov or rr_tov timer expiration */,
	FCOE_EXCH_CLEANUP_CQE_TYPE /* task cleanup completed */,
	FCOE_ABTS_CQE_TYPE /* ABTS received and task cleaned */,
	FCOE_DUMMY_CQE_TYPE /* just increment SQ CONS */,
	/* Task was completed wight after sending a pkt to the target */
	FCOE_LOCAL_COMP_CQE_TYPE,
	MAX_FCOE_CQE_TYPE
	};

	/*
	* FCoE fast path error codes
	*/
	enum fcoe_fp_error_warning_code {
	FCOE_ERROR_CODE_XFER_OOO_RO /* XFER error codes */,
	FCOE_ERROR_CODE_XFER_RO_NOT_ALIGNED,
	FCOE_ERROR_CODE_XFER_NULL_BURST_LEN,
	FCOE_ERROR_CODE_XFER_RO_GREATER_THAN_DATA2TRNS,
	FCOE_ERROR_CODE_XFER_INVALID_PAYLOAD_SIZE,
	FCOE_ERROR_CODE_XFER_TASK_TYPE_NOT_WRITE,
	FCOE_ERROR_CODE_XFER_PEND_XFER_SET,
	FCOE_ERROR_CODE_XFER_OPENED_SEQ,
	FCOE_ERROR_CODE_XFER_FCTL,
	FCOE_ERROR_CODE_FCP_RSP_BIDI_FLAGS_SET /* FCP RSP error codes */,
	FCOE_ERROR_CODE_FCP_RSP_INVALID_LENGTH_FIELD,
	FCOE_ERROR_CODE_FCP_RSP_INVALID_SNS_FIELD,
	FCOE_ERROR_CODE_FCP_RSP_INVALID_PAYLOAD_SIZE,
	FCOE_ERROR_CODE_FCP_RSP_PEND_XFER_SET,
	FCOE_ERROR_CODE_FCP_RSP_OPENED_SEQ,
	FCOE_ERROR_CODE_FCP_RSP_FCTL,
	FCOE_ERROR_CODE_FCP_RSP_LAST_SEQ_RESET,
	FCOE_ERROR_CODE_FCP_RSP_CONF_REQ_NOT_SUPPORTED_YET,
	FCOE_ERROR_CODE_DATA_OOO_RO /* FCP DATA error codes */,
	FCOE_ERROR_CODE_DATA_EXCEEDS_DEFINED_MAX_FRAME_SIZE,
	FCOE_ERROR_CODE_DATA_EXCEEDS_DATA2TRNS,
	FCOE_ERROR_CODE_DATA_SOFI3_SEQ_ACTIVE_SET,
	FCOE_ERROR_CODE_DATA_SOFN_SEQ_ACTIVE_RESET,
	FCOE_ERROR_CODE_DATA_EOFN_END_SEQ_SET,
	FCOE_ERROR_CODE_DATA_EOFT_END_SEQ_RESET,
	FCOE_ERROR_CODE_DATA_TASK_TYPE_NOT_READ,
	FCOE_ERROR_CODE_DATA_FCTL_INITIATIR,
	FCOE_ERROR_CODE_MIDPATH_INVALID_TYPE /* Middle path error codes */,
	FCOE_ERROR_CODE_MIDPATH_SOFI3_SEQ_ACTIVE_SET,
	FCOE_ERROR_CODE_MIDPATH_SOFN_SEQ_ACTIVE_RESET,
	FCOE_ERROR_CODE_MIDPATH_EOFN_END_SEQ_SET,
	FCOE_ERROR_CODE_MIDPATH_EOFT_END_SEQ_RESET,
	FCOE_ERROR_CODE_MIDPATH_REPLY_FCTL,
	FCOE_ERROR_CODE_MIDPATH_INVALID_REPLY,
	FCOE_ERROR_CODE_MIDPATH_ELS_REPLY_RCTL,
	FCOE_ERROR_CODE_COMMON_MIDDLE_FRAME_WITH_PAD /* Common error codes */,
	FCOE_ERROR_CODE_COMMON_SEQ_INIT_IN_TCE,
	FCOE_ERROR_CODE_COMMON_FC_HDR_RX_ID_MISMATCH,
	FCOE_ERROR_CODE_COMMON_INCORRECT_SEQ_CNT,
	FCOE_ERROR_CODE_COMMON_DATA_FC_HDR_FCP_TYPE_MISMATCH,
	FCOE_ERROR_CODE_COMMON_DATA_NO_MORE_SGES,
	FCOE_ERROR_CODE_COMMON_OPTIONAL_FC_HDR,
	FCOE_ERROR_CODE_COMMON_READ_TCE_OX_ID_TOO_BIG,
	FCOE_ERROR_CODE_COMMON_DATA_WAS_NOT_TRANSMITTED,
	FCOE_ERROR_CODE_COMMON_TASK_DDF_RCTL_INFO_FIELD,
	FCOE_ERROR_CODE_COMMON_TASK_INVALID_RCTL,
	FCOE_ERROR_CODE_COMMON_TASK_RCTL_GENERAL_MISMATCH,
	FCOE_ERROR_CODE_E_D_TOV_TIMER_EXPIRATION /* Timer error codes */,
	FCOE_WARNING_CODE_REC_TOV_TIMER_EXPIRATION /* Timer error codes */,
	FCOE_ERROR_CODE_RR_TOV_TIMER_EXPIRATION /* Timer error codes */,
	/* ABTSrsp pckt arrived unexpected */
	FCOE_ERROR_CODE_ABTS_REPLY_UNEXPECTED,
	FCOE_ERROR_CODE_TARGET_MODE_FCP_RSP,
	FCOE_ERROR_CODE_TARGET_MODE_FCP_XFER,
	FCOE_ERROR_CODE_TARGET_MODE_DATA_TASK_TYPE_NOT_WRITE,
	FCOE_ERROR_CODE_DATA_FCTL_TARGET,
	FCOE_ERROR_CODE_TARGET_DATA_SIZE_NO_MATCH_XFER,
	FCOE_ERROR_CODE_TARGET_DIF_CRC_CHECKSUM_ERROR,
	FCOE_ERROR_CODE_TARGET_DIF_REF_TAG_ERROR,
	FCOE_ERROR_CODE_TARGET_DIF_APP_TAG_ERROR,
	MAX_FCOE_FP_ERROR_WARNING_CODE
	};


	/*
	* FCoE RESPQ element
	*/
	struct fcoe_respqe {
	__le16 ox_id /* OX_ID that is located in the FCP_RSP FC header */;
	__le16 rx_id /* RX_ID that is located in the FCP_RSP FC header */;
	__le32 additional_info;
	/* PARAM that is located in the FCP_RSP FC header */
	#define FCOE_RESPQE_PARAM_MASK 0xFFFFFF
	#define FCOE_RESPQE_PARAM_SHIFT 0
	/* Indication whther its Target-auto-rsp mode or not */
	#define FCOE_RESPQE_TARGET_AUTO_RSP_MASK 0xFF
	#define FCOE_RESPQE_TARGET_AUTO_RSP_SHIFT 24
	};


	/*
	* FCoE slow path error codes
	*/
	enum fcoe_sp_error_code {
	/* Error codes for Error Reporting in slow path flows */
	FCOE_ERROR_CODE_SLOW_PATH_TOO_MANY_FUNCS,
	FCOE_ERROR_SLOW_PATH_CODE_NO_LICENSE,
	MAX_FCOE_SP_ERROR_CODE
	};

	/*
	* FCoE task TX state
	*/
	enum fcoe_task_tx_state {
	/* Initiate state after driver has initialized the task */
	FCOE_TASK_TX_STATE_NORMAL,
	/* Updated by TX path after complete transmitting unsolicited packet */
	FCOE_TASK_TX_STATE_UNSOLICITED_COMPLETED,
	/*
	* Updated by TX path after start processing the task requesting the
	* cleanup/abort operation
	*/
	FCOE_TASK_TX_STATE_CLEAN_REQ,
	FCOE_TASK_TX_STATE_ABTS /* Updated by TX path during abort procedure */,
	/* Updated by TX path during exchange cleanup procedure */
	FCOE_TASK_TX_STATE_EXCLEANUP,
	/*
	* Updated by TX path during exchange cleanup continuation task
	* procedure
	*/
	FCOE_TASK_TX_STATE_EXCLEANUP_TARGET_WRITE_CONT,
	/* Updated by TX path during exchange cleanup first xfer procedure */
	FCOE_TASK_TX_STATE_EXCLEANUP_TARGET_WRITE,
	/* Updated by TX path during exchange cleanup read task in Target */
	FCOE_TASK_TX_STATE_EXCLEANUP_TARGET_READ_OR_RSP,
	/* Updated by TX path during target exchange cleanup procedure */
	FCOE_TASK_TX_STATE_EXCLEANUP_TARGET_WRITE_LAST_CYCLE,
	/* Updated by TX path during sequence recovery procedure */
	FCOE_TASK_TX_STATE_SEQRECOVERY,
	MAX_FCOE_TASK_TX_STATE
	};

	#endif /* __QEDF_HSI__ */