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Current File : /usr/lib/modules/5.15.0-1083-aws/build/include/linux/qed/fcoe_common.h
/* SPDX-License-Identifier: (GPL-2.0-only OR BSD-3-Clause) */
/* QLogic qed NIC Driver
 * Copyright (c) 2015 QLogic Corporation
 * Copyright (c) 2019-2020 Marvell International Ltd.
 */

#ifndef __FCOE_COMMON__
#define __FCOE_COMMON__

/*********************/
/* FCOE FW CONSTANTS */
/*********************/

#define FC_ABTS_REPLY_MAX_PAYLOAD_LEN	12

/* The fcoe storm task context protection-information of Ystorm */
struct protection_info_ctx {
	__le16 flags;
#define PROTECTION_INFO_CTX_HOST_INTERFACE_MASK		0x3
#define PROTECTION_INFO_CTX_HOST_INTERFACE_SHIFT	0
#define PROTECTION_INFO_CTX_DIF_TO_PEER_MASK		0x1
#define PROTECTION_INFO_CTX_DIF_TO_PEER_SHIFT		2
#define PROTECTION_INFO_CTX_VALIDATE_DIX_APP_TAG_MASK	0x1
#define PROTECTION_INFO_CTX_VALIDATE_DIX_APP_TAG_SHIFT	3
#define PROTECTION_INFO_CTX_INTERVAL_SIZE_LOG_MASK	0xF
#define PROTECTION_INFO_CTX_INTERVAL_SIZE_LOG_SHIFT	4
#define PROTECTION_INFO_CTX_VALIDATE_DIX_REF_TAG_MASK	0x1
#define PROTECTION_INFO_CTX_VALIDATE_DIX_REF_TAG_SHIFT	8
#define PROTECTION_INFO_CTX_RESERVED0_MASK		0x7F
#define PROTECTION_INFO_CTX_RESERVED0_SHIFT		9
	u8 dix_block_size;
	u8 dst_size;
};

/* The fcoe storm task context protection-information of Ystorm */
union protection_info_union_ctx {
	struct protection_info_ctx info;
	__le32 value;
};

/* FCP CMD payload */
struct fcoe_fcp_cmd_payload {
	__le32 opaque[8];
};

/* FCP RSP payload */
struct fcoe_fcp_rsp_payload {
	__le32 opaque[6];
};

/* FCP RSP payload */
struct fcp_rsp_payload_padded {
	struct fcoe_fcp_rsp_payload rsp_payload;
	__le32 reserved[2];
};

/* FCP RSP payload */
struct fcoe_fcp_xfer_payload {
	__le32 opaque[3];
};

/* FCP RSP payload */
struct fcp_xfer_payload_padded {
	struct fcoe_fcp_xfer_payload xfer_payload;
	__le32 reserved[5];
};

/* Task params */
struct fcoe_tx_data_params {
	__le32 data_offset;
	__le32 offset_in_io;
	u8 flags;
#define FCOE_TX_DATA_PARAMS_OFFSET_IN_IO_VALID_MASK	0x1
#define FCOE_TX_DATA_PARAMS_OFFSET_IN_IO_VALID_SHIFT	0
#define FCOE_TX_DATA_PARAMS_DROP_DATA_MASK		0x1
#define FCOE_TX_DATA_PARAMS_DROP_DATA_SHIFT		1
#define FCOE_TX_DATA_PARAMS_AFTER_SEQ_REC_MASK		0x1
#define FCOE_TX_DATA_PARAMS_AFTER_SEQ_REC_SHIFT		2
#define FCOE_TX_DATA_PARAMS_RESERVED0_MASK		0x1F
#define FCOE_TX_DATA_PARAMS_RESERVED0_SHIFT		3
	u8 dif_residual;
	__le16 seq_cnt;
	__le16 single_sge_saved_offset;
	__le16 next_dif_offset;
	__le16 seq_id;
	__le16 reserved3;
};

/* Middle path parameters: FC header fields provided by the driver */
struct fcoe_tx_mid_path_params {
	__le32 parameter;
	u8 r_ctl;
	u8 type;
	u8 cs_ctl;
	u8 df_ctl;
	__le16 rx_id;
	__le16 ox_id;
};

/* Task params */
struct fcoe_tx_params {
	struct fcoe_tx_data_params data;
	struct fcoe_tx_mid_path_params mid_path;
};

/* Union of FCP CMD payload \ TX params \ ABTS \ Cleanup */
union fcoe_tx_info_union_ctx {
	struct fcoe_fcp_cmd_payload fcp_cmd_payload;
	struct fcp_rsp_payload_padded fcp_rsp_payload;
	struct fcp_xfer_payload_padded fcp_xfer_payload;
	struct fcoe_tx_params tx_params;
};

/* Data sgl */
struct fcoe_slow_sgl_ctx {
	struct regpair base_sgl_addr;
	__le16 curr_sge_off;
	__le16 remainder_num_sges;
	__le16 curr_sgl_index;
	__le16 reserved;
};

/* Union of DIX SGL \ cached DIX sges */
union fcoe_dix_desc_ctx {
	struct fcoe_slow_sgl_ctx dix_sgl;
	struct scsi_sge cached_dix_sge;
};

/* The fcoe storm task context of Ystorm */
struct ystorm_fcoe_task_st_ctx {
	u8 task_type;
	u8 sgl_mode;
#define YSTORM_FCOE_TASK_ST_CTX_TX_SGL_MODE_MASK	0x1
#define YSTORM_FCOE_TASK_ST_CTX_TX_SGL_MODE_SHIFT	0
#define YSTORM_FCOE_TASK_ST_CTX_RSRV_MASK		0x7F
#define YSTORM_FCOE_TASK_ST_CTX_RSRV_SHIFT		1
	u8 cached_dix_sge;
	u8 expect_first_xfer;
	__le32 num_pbf_zero_write;
	union protection_info_union_ctx protection_info_union;
	__le32 data_2_trns_rem;
	struct scsi_sgl_params sgl_params;
	u8 reserved1[12];
	union fcoe_tx_info_union_ctx tx_info_union;
	union fcoe_dix_desc_ctx dix_desc;
	struct scsi_cached_sges data_desc;
	__le16 ox_id;
	__le16 rx_id;
	__le32 task_rety_identifier;
	u8 reserved2[8];
};

struct e4_ystorm_fcoe_task_ag_ctx {
	u8 byte0;
	u8 byte1;
	__le16 word0;
	u8 flags0;
#define E4_YSTORM_FCOE_TASK_AG_CTX_NIBBLE0_MASK		0xF
#define E4_YSTORM_FCOE_TASK_AG_CTX_NIBBLE0_SHIFT	0
#define E4_YSTORM_FCOE_TASK_AG_CTX_BIT0_MASK		0x1
#define E4_YSTORM_FCOE_TASK_AG_CTX_BIT0_SHIFT		4
#define E4_YSTORM_FCOE_TASK_AG_CTX_BIT1_MASK		0x1
#define E4_YSTORM_FCOE_TASK_AG_CTX_BIT1_SHIFT		5
#define E4_YSTORM_FCOE_TASK_AG_CTX_BIT2_MASK		0x1
#define E4_YSTORM_FCOE_TASK_AG_CTX_BIT2_SHIFT		6
#define E4_YSTORM_FCOE_TASK_AG_CTX_BIT3_MASK		0x1
#define E4_YSTORM_FCOE_TASK_AG_CTX_BIT3_SHIFT		7
	u8 flags1;
#define E4_YSTORM_FCOE_TASK_AG_CTX_CF0_MASK		0x3
#define E4_YSTORM_FCOE_TASK_AG_CTX_CF0_SHIFT		0
#define E4_YSTORM_FCOE_TASK_AG_CTX_CF1_MASK		0x3
#define E4_YSTORM_FCOE_TASK_AG_CTX_CF1_SHIFT		2
#define E4_YSTORM_FCOE_TASK_AG_CTX_CF2SPECIAL_MASK	0x3
#define E4_YSTORM_FCOE_TASK_AG_CTX_CF2SPECIAL_SHIFT	4
#define E4_YSTORM_FCOE_TASK_AG_CTX_CF0EN_MASK		0x1
#define E4_YSTORM_FCOE_TASK_AG_CTX_CF0EN_SHIFT		6
#define E4_YSTORM_FCOE_TASK_AG_CTX_CF1EN_MASK		0x1
#define E4_YSTORM_FCOE_TASK_AG_CTX_CF1EN_SHIFT		7
	u8 flags2;
#define E4_YSTORM_FCOE_TASK_AG_CTX_BIT4_MASK		0x1
#define E4_YSTORM_FCOE_TASK_AG_CTX_BIT4_SHIFT		0
#define E4_YSTORM_FCOE_TASK_AG_CTX_RULE0EN_MASK		0x1
#define E4_YSTORM_FCOE_TASK_AG_CTX_RULE0EN_SHIFT	1
#define E4_YSTORM_FCOE_TASK_AG_CTX_RULE1EN_MASK		0x1
#define E4_YSTORM_FCOE_TASK_AG_CTX_RULE1EN_SHIFT	2
#define E4_YSTORM_FCOE_TASK_AG_CTX_RULE2EN_MASK		0x1
#define E4_YSTORM_FCOE_TASK_AG_CTX_RULE2EN_SHIFT	3
#define E4_YSTORM_FCOE_TASK_AG_CTX_RULE3EN_MASK		0x1
#define E4_YSTORM_FCOE_TASK_AG_CTX_RULE3EN_SHIFT	4
#define E4_YSTORM_FCOE_TASK_AG_CTX_RULE4EN_MASK		0x1
#define E4_YSTORM_FCOE_TASK_AG_CTX_RULE4EN_SHIFT	5
#define E4_YSTORM_FCOE_TASK_AG_CTX_RULE5EN_MASK		0x1
#define E4_YSTORM_FCOE_TASK_AG_CTX_RULE5EN_SHIFT	6
#define E4_YSTORM_FCOE_TASK_AG_CTX_RULE6EN_MASK		0x1
#define E4_YSTORM_FCOE_TASK_AG_CTX_RULE6EN_SHIFT	7
	u8 byte2;
	__le32 reg0;
	u8 byte3;
	u8 byte4;
	__le16 rx_id;
	__le16 word2;
	__le16 word3;
	__le16 word4;
	__le16 word5;
	__le32 reg1;
	__le32 reg2;
};

struct e4_tstorm_fcoe_task_ag_ctx {
	u8 reserved;
	u8 byte1;
	__le16 icid;
	u8 flags0;
#define E4_TSTORM_FCOE_TASK_AG_CTX_CONNECTION_TYPE_MASK		0xF
#define E4_TSTORM_FCOE_TASK_AG_CTX_CONNECTION_TYPE_SHIFT	0
#define E4_TSTORM_FCOE_TASK_AG_CTX_EXIST_IN_QM0_MASK		0x1
#define E4_TSTORM_FCOE_TASK_AG_CTX_EXIST_IN_QM0_SHIFT		4
#define E4_TSTORM_FCOE_TASK_AG_CTX_BIT1_MASK			0x1
#define E4_TSTORM_FCOE_TASK_AG_CTX_BIT1_SHIFT			5
#define E4_TSTORM_FCOE_TASK_AG_CTX_WAIT_ABTS_RSP_F_MASK		0x1
#define E4_TSTORM_FCOE_TASK_AG_CTX_WAIT_ABTS_RSP_F_SHIFT	6
#define E4_TSTORM_FCOE_TASK_AG_CTX_VALID_MASK			0x1
#define E4_TSTORM_FCOE_TASK_AG_CTX_VALID_SHIFT			7
	u8 flags1;
#define E4_TSTORM_FCOE_TASK_AG_CTX_FALSE_RR_TOV_MASK	0x1
#define E4_TSTORM_FCOE_TASK_AG_CTX_FALSE_RR_TOV_SHIFT	0
#define E4_TSTORM_FCOE_TASK_AG_CTX_BIT5_MASK		0x1
#define E4_TSTORM_FCOE_TASK_AG_CTX_BIT5_SHIFT		1
#define E4_TSTORM_FCOE_TASK_AG_CTX_REC_RR_TOV_CF_MASK	0x3
#define E4_TSTORM_FCOE_TASK_AG_CTX_REC_RR_TOV_CF_SHIFT	2
#define E4_TSTORM_FCOE_TASK_AG_CTX_ED_TOV_CF_MASK	0x3
#define E4_TSTORM_FCOE_TASK_AG_CTX_ED_TOV_CF_SHIFT	4
#define E4_TSTORM_FCOE_TASK_AG_CTX_CF2_MASK		0x3
#define E4_TSTORM_FCOE_TASK_AG_CTX_CF2_SHIFT		6
	u8 flags2;
#define E4_TSTORM_FCOE_TASK_AG_CTX_TIMER_STOP_ALL_MASK		0x3
#define E4_TSTORM_FCOE_TASK_AG_CTX_TIMER_STOP_ALL_SHIFT		0
#define E4_TSTORM_FCOE_TASK_AG_CTX_EX_CLEANUP_CF_MASK		0x3
#define E4_TSTORM_FCOE_TASK_AG_CTX_EX_CLEANUP_CF_SHIFT		2
#define E4_TSTORM_FCOE_TASK_AG_CTX_SEQ_INIT_CF_MASK		0x3
#define E4_TSTORM_FCOE_TASK_AG_CTX_SEQ_INIT_CF_SHIFT		4
#define E4_TSTORM_FCOE_TASK_AG_CTX_SEQ_RECOVERY_CF_MASK		0x3
#define E4_TSTORM_FCOE_TASK_AG_CTX_SEQ_RECOVERY_CF_SHIFT	6
	u8 flags3;
#define E4_TSTORM_FCOE_TASK_AG_CTX_UNSOL_COMP_CF_MASK		0x3
#define E4_TSTORM_FCOE_TASK_AG_CTX_UNSOL_COMP_CF_SHIFT		0
#define E4_TSTORM_FCOE_TASK_AG_CTX_REC_RR_TOV_CF_EN_MASK	0x1
#define E4_TSTORM_FCOE_TASK_AG_CTX_REC_RR_TOV_CF_EN_SHIFT	2
#define E4_TSTORM_FCOE_TASK_AG_CTX_ED_TOV_CF_EN_MASK		0x1
#define E4_TSTORM_FCOE_TASK_AG_CTX_ED_TOV_CF_EN_SHIFT		3
#define E4_TSTORM_FCOE_TASK_AG_CTX_CF2EN_MASK			0x1
#define E4_TSTORM_FCOE_TASK_AG_CTX_CF2EN_SHIFT			4
#define E4_TSTORM_FCOE_TASK_AG_CTX_TIMER_STOP_ALL_EN_MASK	0x1
#define E4_TSTORM_FCOE_TASK_AG_CTX_TIMER_STOP_ALL_EN_SHIFT	5
#define E4_TSTORM_FCOE_TASK_AG_CTX_EX_CLEANUP_CF_EN_MASK	0x1
#define E4_TSTORM_FCOE_TASK_AG_CTX_EX_CLEANUP_CF_EN_SHIFT	6
#define E4_TSTORM_FCOE_TASK_AG_CTX_SEQ_INIT_CF_EN_MASK		0x1
#define E4_TSTORM_FCOE_TASK_AG_CTX_SEQ_INIT_CF_EN_SHIFT		7
	u8 flags4;
#define E4_TSTORM_FCOE_TASK_AG_CTX_SEQ_RECOVERY_CF_EN_MASK	0x1
#define E4_TSTORM_FCOE_TASK_AG_CTX_SEQ_RECOVERY_CF_EN_SHIFT	0
#define E4_TSTORM_FCOE_TASK_AG_CTX_UNSOL_COMP_CF_EN_MASK	0x1
#define E4_TSTORM_FCOE_TASK_AG_CTX_UNSOL_COMP_CF_EN_SHIFT	1
#define E4_TSTORM_FCOE_TASK_AG_CTX_RULE0EN_MASK			0x1
#define E4_TSTORM_FCOE_TASK_AG_CTX_RULE0EN_SHIFT		2
#define E4_TSTORM_FCOE_TASK_AG_CTX_RULE1EN_MASK			0x1
#define E4_TSTORM_FCOE_TASK_AG_CTX_RULE1EN_SHIFT		3
#define E4_TSTORM_FCOE_TASK_AG_CTX_RULE2EN_MASK			0x1
#define E4_TSTORM_FCOE_TASK_AG_CTX_RULE2EN_SHIFT		4
#define E4_TSTORM_FCOE_TASK_AG_CTX_RULE3EN_MASK			0x1
#define E4_TSTORM_FCOE_TASK_AG_CTX_RULE3EN_SHIFT		5
#define E4_TSTORM_FCOE_TASK_AG_CTX_RULE4EN_MASK			0x1
#define E4_TSTORM_FCOE_TASK_AG_CTX_RULE4EN_SHIFT		6
#define E4_TSTORM_FCOE_TASK_AG_CTX_RULE5EN_MASK			0x1
#define E4_TSTORM_FCOE_TASK_AG_CTX_RULE5EN_SHIFT		7
	u8 cleanup_state;
	__le16 last_sent_tid;
	__le32 rec_rr_tov_exp_timeout;
	u8 byte3;
	u8 byte4;
	__le16 word2;
	__le16 word3;
	__le16 word4;
	__le32 data_offset_end_of_seq;
	__le32 data_offset_next;
};

/* Cached data sges */
struct fcoe_exp_ro {
	__le32 data_offset;
	__le32 reserved;
};

/* Union of Cleanup address \ expected relative offsets */
union fcoe_cleanup_addr_exp_ro_union {
	struct regpair abts_rsp_fc_payload_hi;
	struct fcoe_exp_ro exp_ro;
};

/* Fields coppied from ABTSrsp pckt */
struct fcoe_abts_pkt {
	__le32 abts_rsp_fc_payload_lo;
	__le16 abts_rsp_rx_id;
	u8 abts_rsp_rctl;
	u8 reserved2;
};

/* FW read- write (modifyable) part The fcoe task storm context of Tstorm */
struct fcoe_tstorm_fcoe_task_st_ctx_read_write {
	union fcoe_cleanup_addr_exp_ro_union cleanup_addr_exp_ro_union;
	__le16 flags;
#define FCOE_TSTORM_FCOE_TASK_ST_CTX_READ_WRITE_RX_SGL_MODE_MASK	0x1
#define FCOE_TSTORM_FCOE_TASK_ST_CTX_READ_WRITE_RX_SGL_MODE_SHIFT	0
#define FCOE_TSTORM_FCOE_TASK_ST_CTX_READ_WRITE_EXP_FIRST_FRAME_MASK	0x1
#define FCOE_TSTORM_FCOE_TASK_ST_CTX_READ_WRITE_EXP_FIRST_FRAME_SHIFT	1
#define FCOE_TSTORM_FCOE_TASK_ST_CTX_READ_WRITE_SEQ_ACTIVE_MASK		0x1
#define FCOE_TSTORM_FCOE_TASK_ST_CTX_READ_WRITE_SEQ_ACTIVE_SHIFT	2
#define FCOE_TSTORM_FCOE_TASK_ST_CTX_READ_WRITE_SEQ_TIMEOUT_MASK	0x1
#define FCOE_TSTORM_FCOE_TASK_ST_CTX_READ_WRITE_SEQ_TIMEOUT_SHIFT	3
#define FCOE_TSTORM_FCOE_TASK_ST_CTX_READ_WRITE_SINGLE_PKT_IN_EX_MASK	0x1
#define FCOE_TSTORM_FCOE_TASK_ST_CTX_READ_WRITE_SINGLE_PKT_IN_EX_SHIFT	4
#define FCOE_TSTORM_FCOE_TASK_ST_CTX_READ_WRITE_OOO_RX_SEQ_STAT_MASK	0x1
#define FCOE_TSTORM_FCOE_TASK_ST_CTX_READ_WRITE_OOO_RX_SEQ_STAT_SHIFT	5
#define FCOE_TSTORM_FCOE_TASK_ST_CTX_READ_WRITE_CQ_ADD_ADV_MASK		0x3
#define FCOE_TSTORM_FCOE_TASK_ST_CTX_READ_WRITE_CQ_ADD_ADV_SHIFT	6
#define FCOE_TSTORM_FCOE_TASK_ST_CTX_READ_WRITE_RSRV1_MASK		0xFF
#define FCOE_TSTORM_FCOE_TASK_ST_CTX_READ_WRITE_RSRV1_SHIFT		8
	__le16 seq_cnt;
	u8 seq_id;
	u8 ooo_rx_seq_id;
	__le16 rx_id;
	struct fcoe_abts_pkt abts_data;
	__le32 e_d_tov_exp_timeout_val;
	__le16 ooo_rx_seq_cnt;
	__le16 reserved1;
};

/* FW read only part The fcoe task storm context of Tstorm */
struct fcoe_tstorm_fcoe_task_st_ctx_read_only {
	u8 task_type;
	u8 dev_type;
	u8 conf_supported;
	u8 glbl_q_num;
	__le32 cid;
	__le32 fcp_cmd_trns_size;
	__le32 rsrv;
};

/** The fcoe task storm context of Tstorm */
struct tstorm_fcoe_task_st_ctx {
	struct fcoe_tstorm_fcoe_task_st_ctx_read_write read_write;
	struct fcoe_tstorm_fcoe_task_st_ctx_read_only read_only;
};

struct e4_mstorm_fcoe_task_ag_ctx {
	u8 byte0;
	u8 byte1;
	__le16 icid;
	u8 flags0;
#define E4_MSTORM_FCOE_TASK_AG_CTX_CONNECTION_TYPE_MASK		0xF
#define E4_MSTORM_FCOE_TASK_AG_CTX_CONNECTION_TYPE_SHIFT	0
#define E4_MSTORM_FCOE_TASK_AG_CTX_EXIST_IN_QM0_MASK		0x1
#define E4_MSTORM_FCOE_TASK_AG_CTX_EXIST_IN_QM0_SHIFT		4
#define E4_MSTORM_FCOE_TASK_AG_CTX_CQE_PLACED_MASK		0x1
#define E4_MSTORM_FCOE_TASK_AG_CTX_CQE_PLACED_SHIFT		5
#define E4_MSTORM_FCOE_TASK_AG_CTX_BIT2_MASK			0x1
#define E4_MSTORM_FCOE_TASK_AG_CTX_BIT2_SHIFT			6
#define E4_MSTORM_FCOE_TASK_AG_CTX_BIT3_MASK			0x1
#define E4_MSTORM_FCOE_TASK_AG_CTX_BIT3_SHIFT			7
	u8 flags1;
#define E4_MSTORM_FCOE_TASK_AG_CTX_EX_CLEANUP_CF_MASK		0x3
#define E4_MSTORM_FCOE_TASK_AG_CTX_EX_CLEANUP_CF_SHIFT		0
#define E4_MSTORM_FCOE_TASK_AG_CTX_CF1_MASK			0x3
#define E4_MSTORM_FCOE_TASK_AG_CTX_CF1_SHIFT			2
#define E4_MSTORM_FCOE_TASK_AG_CTX_CF2_MASK			0x3
#define E4_MSTORM_FCOE_TASK_AG_CTX_CF2_SHIFT			4
#define E4_MSTORM_FCOE_TASK_AG_CTX_EX_CLEANUP_CF_EN_MASK	0x1
#define E4_MSTORM_FCOE_TASK_AG_CTX_EX_CLEANUP_CF_EN_SHIFT	6
#define E4_MSTORM_FCOE_TASK_AG_CTX_CF1EN_MASK			0x1
#define E4_MSTORM_FCOE_TASK_AG_CTX_CF1EN_SHIFT			7
	u8 flags2;
#define E4_MSTORM_FCOE_TASK_AG_CTX_CF2EN_MASK			0x1
#define E4_MSTORM_FCOE_TASK_AG_CTX_CF2EN_SHIFT			0
#define E4_MSTORM_FCOE_TASK_AG_CTX_RULE0EN_MASK			0x1
#define E4_MSTORM_FCOE_TASK_AG_CTX_RULE0EN_SHIFT		1
#define E4_MSTORM_FCOE_TASK_AG_CTX_RULE1EN_MASK			0x1
#define E4_MSTORM_FCOE_TASK_AG_CTX_RULE1EN_SHIFT		2
#define E4_MSTORM_FCOE_TASK_AG_CTX_RULE2EN_MASK			0x1
#define E4_MSTORM_FCOE_TASK_AG_CTX_RULE2EN_SHIFT		3
#define E4_MSTORM_FCOE_TASK_AG_CTX_RULE3EN_MASK			0x1
#define E4_MSTORM_FCOE_TASK_AG_CTX_RULE3EN_SHIFT		4
#define E4_MSTORM_FCOE_TASK_AG_CTX_RULE4EN_MASK			0x1
#define E4_MSTORM_FCOE_TASK_AG_CTX_RULE4EN_SHIFT		5
#define E4_MSTORM_FCOE_TASK_AG_CTX_XFER_PLACEMENT_EN_MASK	0x1
#define E4_MSTORM_FCOE_TASK_AG_CTX_XFER_PLACEMENT_EN_SHIFT	6
#define E4_MSTORM_FCOE_TASK_AG_CTX_RULE6EN_MASK			0x1
#define E4_MSTORM_FCOE_TASK_AG_CTX_RULE6EN_SHIFT		7
	u8 cleanup_state;
	__le32 received_bytes;
	u8 byte3;
	u8 glbl_q_num;
	__le16 word1;
	__le16 tid_to_xfer;
	__le16 word3;
	__le16 word4;
	__le16 word5;
	__le32 expected_bytes;
	__le32 reg2;
};

/* The fcoe task storm context of Mstorm */
struct mstorm_fcoe_task_st_ctx {
	struct regpair rsp_buf_addr;
	__le32 rsrv[2];
	struct scsi_sgl_params sgl_params;
	__le32 data_2_trns_rem;
	__le32 data_buffer_offset;
	__le16 parent_id;
	__le16 flags;
#define MSTORM_FCOE_TASK_ST_CTX_INTERVAL_SIZE_LOG_MASK		0xF
#define MSTORM_FCOE_TASK_ST_CTX_INTERVAL_SIZE_LOG_SHIFT		0
#define MSTORM_FCOE_TASK_ST_CTX_HOST_INTERFACE_MASK		0x3
#define MSTORM_FCOE_TASK_ST_CTX_HOST_INTERFACE_SHIFT		4
#define MSTORM_FCOE_TASK_ST_CTX_DIF_TO_PEER_MASK		0x1
#define MSTORM_FCOE_TASK_ST_CTX_DIF_TO_PEER_SHIFT		6
#define MSTORM_FCOE_TASK_ST_CTX_MP_INCLUDE_FC_HEADER_MASK	0x1
#define MSTORM_FCOE_TASK_ST_CTX_MP_INCLUDE_FC_HEADER_SHIFT	7
#define MSTORM_FCOE_TASK_ST_CTX_DIX_BLOCK_SIZE_MASK		0x3
#define MSTORM_FCOE_TASK_ST_CTX_DIX_BLOCK_SIZE_SHIFT		8
#define MSTORM_FCOE_TASK_ST_CTX_VALIDATE_DIX_REF_TAG_MASK	0x1
#define MSTORM_FCOE_TASK_ST_CTX_VALIDATE_DIX_REF_TAG_SHIFT	10
#define MSTORM_FCOE_TASK_ST_CTX_DIX_CACHED_SGE_FLG_MASK		0x1
#define MSTORM_FCOE_TASK_ST_CTX_DIX_CACHED_SGE_FLG_SHIFT	11
#define MSTORM_FCOE_TASK_ST_CTX_DIF_SUPPORTED_MASK		0x1
#define MSTORM_FCOE_TASK_ST_CTX_DIF_SUPPORTED_SHIFT		12
#define MSTORM_FCOE_TASK_ST_CTX_TX_SGL_MODE_MASK		0x1
#define MSTORM_FCOE_TASK_ST_CTX_TX_SGL_MODE_SHIFT		13
#define MSTORM_FCOE_TASK_ST_CTX_RESERVED_MASK			0x3
#define MSTORM_FCOE_TASK_ST_CTX_RESERVED_SHIFT			14
	struct scsi_cached_sges data_desc;
};

struct e4_ustorm_fcoe_task_ag_ctx {
	u8 reserved;
	u8 byte1;
	__le16 icid;
	u8 flags0;
#define E4_USTORM_FCOE_TASK_AG_CTX_CONNECTION_TYPE_MASK		0xF
#define E4_USTORM_FCOE_TASK_AG_CTX_CONNECTION_TYPE_SHIFT	0
#define E4_USTORM_FCOE_TASK_AG_CTX_EXIST_IN_QM0_MASK		0x1
#define E4_USTORM_FCOE_TASK_AG_CTX_EXIST_IN_QM0_SHIFT		4
#define E4_USTORM_FCOE_TASK_AG_CTX_BIT1_MASK			0x1
#define E4_USTORM_FCOE_TASK_AG_CTX_BIT1_SHIFT			5
#define E4_USTORM_FCOE_TASK_AG_CTX_CF0_MASK			0x3
#define E4_USTORM_FCOE_TASK_AG_CTX_CF0_SHIFT			6
	u8 flags1;
#define E4_USTORM_FCOE_TASK_AG_CTX_CF1_MASK		0x3
#define E4_USTORM_FCOE_TASK_AG_CTX_CF1_SHIFT		0
#define E4_USTORM_FCOE_TASK_AG_CTX_CF2_MASK		0x3
#define E4_USTORM_FCOE_TASK_AG_CTX_CF2_SHIFT		2
#define E4_USTORM_FCOE_TASK_AG_CTX_CF3_MASK		0x3
#define E4_USTORM_FCOE_TASK_AG_CTX_CF3_SHIFT		4
#define E4_USTORM_FCOE_TASK_AG_CTX_DIF_ERROR_CF_MASK	0x3
#define E4_USTORM_FCOE_TASK_AG_CTX_DIF_ERROR_CF_SHIFT	6
	u8 flags2;
#define E4_USTORM_FCOE_TASK_AG_CTX_CF0EN_MASK			0x1
#define E4_USTORM_FCOE_TASK_AG_CTX_CF0EN_SHIFT			0
#define E4_USTORM_FCOE_TASK_AG_CTX_CF1EN_MASK			0x1
#define E4_USTORM_FCOE_TASK_AG_CTX_CF1EN_SHIFT			1
#define E4_USTORM_FCOE_TASK_AG_CTX_CF2EN_MASK			0x1
#define E4_USTORM_FCOE_TASK_AG_CTX_CF2EN_SHIFT			2
#define E4_USTORM_FCOE_TASK_AG_CTX_CF3EN_MASK			0x1
#define E4_USTORM_FCOE_TASK_AG_CTX_CF3EN_SHIFT			3
#define E4_USTORM_FCOE_TASK_AG_CTX_DIF_ERROR_CF_EN_MASK		0x1
#define E4_USTORM_FCOE_TASK_AG_CTX_DIF_ERROR_CF_EN_SHIFT	4
#define E4_USTORM_FCOE_TASK_AG_CTX_RULE0EN_MASK			0x1
#define E4_USTORM_FCOE_TASK_AG_CTX_RULE0EN_SHIFT		5
#define E4_USTORM_FCOE_TASK_AG_CTX_RULE1EN_MASK			0x1
#define E4_USTORM_FCOE_TASK_AG_CTX_RULE1EN_SHIFT		6
#define E4_USTORM_FCOE_TASK_AG_CTX_RULE2EN_MASK			0x1
#define E4_USTORM_FCOE_TASK_AG_CTX_RULE2EN_SHIFT		7
	u8 flags3;
#define E4_USTORM_FCOE_TASK_AG_CTX_RULE3EN_MASK		0x1
#define E4_USTORM_FCOE_TASK_AG_CTX_RULE3EN_SHIFT	0
#define E4_USTORM_FCOE_TASK_AG_CTX_RULE4EN_MASK		0x1
#define E4_USTORM_FCOE_TASK_AG_CTX_RULE4EN_SHIFT	1
#define E4_USTORM_FCOE_TASK_AG_CTX_RULE5EN_MASK		0x1
#define E4_USTORM_FCOE_TASK_AG_CTX_RULE5EN_SHIFT	2
#define E4_USTORM_FCOE_TASK_AG_CTX_RULE6EN_MASK		0x1
#define E4_USTORM_FCOE_TASK_AG_CTX_RULE6EN_SHIFT	3
#define E4_USTORM_FCOE_TASK_AG_CTX_DIF_ERROR_TYPE_MASK	0xF
#define E4_USTORM_FCOE_TASK_AG_CTX_DIF_ERROR_TYPE_SHIFT	4
	__le32 dif_err_intervals;
	__le32 dif_error_1st_interval;
	__le32 global_cq_num;
	__le32 reg3;
	__le32 reg4;
	__le32 reg5;
};

/* FCoE task context */
struct e4_fcoe_task_context {
	struct ystorm_fcoe_task_st_ctx ystorm_st_context;
	struct regpair ystorm_st_padding[2];
	struct tdif_task_context tdif_context;
	struct e4_ystorm_fcoe_task_ag_ctx ystorm_ag_context;
	struct e4_tstorm_fcoe_task_ag_ctx tstorm_ag_context;
	struct timers_context timer_context;
	struct tstorm_fcoe_task_st_ctx tstorm_st_context;
	struct regpair tstorm_st_padding[2];
	struct e4_mstorm_fcoe_task_ag_ctx mstorm_ag_context;
	struct mstorm_fcoe_task_st_ctx mstorm_st_context;
	struct e4_ustorm_fcoe_task_ag_ctx ustorm_ag_context;
	struct rdif_task_context rdif_context;
};

/* FCoE additional WQE (Sq/XferQ) information */
union fcoe_additional_info_union {
	__le32 previous_tid;
	__le32 parent_tid;
	__le32 burst_length;
	__le32 seq_rec_updated_offset;
};

/* FCoE Ramrod Command IDs */
enum fcoe_completion_status {
	FCOE_COMPLETION_STATUS_SUCCESS,
	FCOE_COMPLETION_STATUS_FCOE_VER_ERR,
	FCOE_COMPLETION_STATUS_SRC_MAC_ADD_ARR_ERR,
	MAX_FCOE_COMPLETION_STATUS
};

/* FC address (SID/DID) network presentation */
struct fc_addr_nw {
	u8 addr_lo;
	u8 addr_mid;
	u8 addr_hi;
};

/* FCoE connection offload */
struct fcoe_conn_offload_ramrod_data {
	struct regpair sq_pbl_addr;
	struct regpair sq_curr_page_addr;
	struct regpair sq_next_page_addr;
	struct regpair xferq_pbl_addr;
	struct regpair xferq_curr_page_addr;
	struct regpair xferq_next_page_addr;
	struct regpair respq_pbl_addr;
	struct regpair respq_curr_page_addr;
	struct regpair respq_next_page_addr;
	__le16 dst_mac_addr_lo;
	__le16 dst_mac_addr_mid;
	__le16 dst_mac_addr_hi;
	__le16 src_mac_addr_lo;
	__le16 src_mac_addr_mid;
	__le16 src_mac_addr_hi;
	__le16 tx_max_fc_pay_len;
	__le16 e_d_tov_timer_val;
	__le16 rx_max_fc_pay_len;
	__le16 vlan_tag;
#define FCOE_CONN_OFFLOAD_RAMROD_DATA_VLAN_ID_MASK	0xFFF
#define FCOE_CONN_OFFLOAD_RAMROD_DATA_VLAN_ID_SHIFT	0
#define FCOE_CONN_OFFLOAD_RAMROD_DATA_CFI_MASK		0x1
#define FCOE_CONN_OFFLOAD_RAMROD_DATA_CFI_SHIFT		12
#define FCOE_CONN_OFFLOAD_RAMROD_DATA_PRIORITY_MASK	0x7
#define FCOE_CONN_OFFLOAD_RAMROD_DATA_PRIORITY_SHIFT	13
	__le16 physical_q0;
	__le16 rec_rr_tov_timer_val;
	struct fc_addr_nw s_id;
	u8 max_conc_seqs_c3;
	struct fc_addr_nw d_id;
	u8 flags;
#define FCOE_CONN_OFFLOAD_RAMROD_DATA_B_CONT_INCR_SEQ_CNT_MASK	0x1
#define FCOE_CONN_OFFLOAD_RAMROD_DATA_B_CONT_INCR_SEQ_CNT_SHIFT	0
#define FCOE_CONN_OFFLOAD_RAMROD_DATA_B_CONF_REQ_MASK		0x1
#define FCOE_CONN_OFFLOAD_RAMROD_DATA_B_CONF_REQ_SHIFT		1
#define FCOE_CONN_OFFLOAD_RAMROD_DATA_B_REC_VALID_MASK		0x1
#define FCOE_CONN_OFFLOAD_RAMROD_DATA_B_REC_VALID_SHIFT		2
#define FCOE_CONN_OFFLOAD_RAMROD_DATA_B_VLAN_FLAG_MASK		0x1
#define FCOE_CONN_OFFLOAD_RAMROD_DATA_B_VLAN_FLAG_SHIFT		3
#define FCOE_CONN_OFFLOAD_RAMROD_DATA_B_SINGLE_VLAN_MASK	0x1
#define FCOE_CONN_OFFLOAD_RAMROD_DATA_B_SINGLE_VLAN_SHIFT	4
#define FCOE_CONN_OFFLOAD_RAMROD_DATA_MODE_MASK			0x3
#define FCOE_CONN_OFFLOAD_RAMROD_DATA_MODE_SHIFT		5
#define FCOE_CONN_OFFLOAD_RAMROD_DATA_RESERVED0_MASK		0x1
#define FCOE_CONN_OFFLOAD_RAMROD_DATA_RESERVED0_SHIFT		7
	__le16 conn_id;
	u8 def_q_idx;
	u8 reserved[5];
};

/* FCoE terminate connection request */
struct fcoe_conn_terminate_ramrod_data {
	struct regpair terminate_params_addr;
};

/* FCoE device type */
enum fcoe_device_type {
	FCOE_TASK_DEV_TYPE_DISK,
	FCOE_TASK_DEV_TYPE_TAPE,
	MAX_FCOE_DEVICE_TYPE
};

/* Data sgl */
struct fcoe_fast_sgl_ctx {
	struct regpair sgl_start_addr;
	__le32 sgl_byte_offset;
	__le16 task_reuse_cnt;
	__le16 init_offset_in_first_sge;
};

/* FCoE firmware function init */
struct fcoe_init_func_ramrod_data {
	struct scsi_init_func_params func_params;
	struct scsi_init_func_queues q_params;
	__le16 mtu;
	__le16 sq_num_pages_in_pbl;
	__le32 reserved[3];
};

/* FCoE: Mode of the connection: Target or Initiator or both */
enum fcoe_mode_type {
	FCOE_INITIATOR_MODE = 0x0,
	FCOE_TARGET_MODE = 0x1,
	FCOE_BOTH_OR_NOT_CHOSEN = 0x3,
	MAX_FCOE_MODE_TYPE
};

/* Per PF FCoE receive path statistics - tStorm RAM structure */
struct fcoe_rx_stat {
	struct regpair fcoe_rx_byte_cnt;
	struct regpair fcoe_rx_data_pkt_cnt;
	struct regpair fcoe_rx_xfer_pkt_cnt;
	struct regpair fcoe_rx_other_pkt_cnt;
	__le32 fcoe_silent_drop_pkt_cmdq_full_cnt;
	__le32 fcoe_silent_drop_pkt_rq_full_cnt;
	__le32 fcoe_silent_drop_pkt_crc_error_cnt;
	__le32 fcoe_silent_drop_pkt_task_invalid_cnt;
	__le32 fcoe_silent_drop_total_pkt_cnt;
	__le32 rsrv;
};

/* FCoE SQE request type */
enum fcoe_sqe_request_type {
	SEND_FCOE_CMD,
	SEND_FCOE_MIDPATH,
	SEND_FCOE_ABTS_REQUEST,
	FCOE_EXCHANGE_CLEANUP,
	FCOE_SEQUENCE_RECOVERY,
	SEND_FCOE_XFER_RDY,
	SEND_FCOE_RSP,
	SEND_FCOE_RSP_WITH_SENSE_DATA,
	SEND_FCOE_TARGET_DATA,
	SEND_FCOE_INITIATOR_DATA,
	SEND_FCOE_XFER_CONTINUATION_RDY,
	SEND_FCOE_TARGET_ABTS_RSP,
	MAX_FCOE_SQE_REQUEST_TYPE
};

/* FCoe statistics request */
struct fcoe_stat_ramrod_data {
	struct regpair stat_params_addr;
};

/* FCoE task type */
enum fcoe_task_type {
	FCOE_TASK_TYPE_WRITE_INITIATOR,
	FCOE_TASK_TYPE_READ_INITIATOR,
	FCOE_TASK_TYPE_MIDPATH,
	FCOE_TASK_TYPE_UNSOLICITED,
	FCOE_TASK_TYPE_ABTS,
	FCOE_TASK_TYPE_EXCHANGE_CLEANUP,
	FCOE_TASK_TYPE_SEQUENCE_CLEANUP,
	FCOE_TASK_TYPE_WRITE_TARGET,
	FCOE_TASK_TYPE_READ_TARGET,
	FCOE_TASK_TYPE_RSP,
	FCOE_TASK_TYPE_RSP_SENSE_DATA,
	FCOE_TASK_TYPE_ABTS_TARGET,
	FCOE_TASK_TYPE_ENUM_SIZE,
	MAX_FCOE_TASK_TYPE
};

/* Per PF FCoE transmit path statistics - pStorm RAM structure */
struct fcoe_tx_stat {
	struct regpair fcoe_tx_byte_cnt;
	struct regpair fcoe_tx_data_pkt_cnt;
	struct regpair fcoe_tx_xfer_pkt_cnt;
	struct regpair fcoe_tx_other_pkt_cnt;
};

/* FCoE SQ/XferQ element */
struct fcoe_wqe {
	__le16 task_id;
	__le16 flags;
#define FCOE_WQE_REQ_TYPE_MASK		0xF
#define FCOE_WQE_REQ_TYPE_SHIFT		0
#define FCOE_WQE_SGL_MODE_MASK		0x1
#define FCOE_WQE_SGL_MODE_SHIFT		4
#define FCOE_WQE_CONTINUATION_MASK	0x1
#define FCOE_WQE_CONTINUATION_SHIFT	5
#define FCOE_WQE_SEND_AUTO_RSP_MASK	0x1
#define FCOE_WQE_SEND_AUTO_RSP_SHIFT	6
#define FCOE_WQE_RESERVED_MASK		0x1
#define FCOE_WQE_RESERVED_SHIFT		7
#define FCOE_WQE_NUM_SGES_MASK		0xF
#define FCOE_WQE_NUM_SGES_SHIFT		8
#define FCOE_WQE_RESERVED1_MASK		0xF
#define FCOE_WQE_RESERVED1_SHIFT	12
	union fcoe_additional_info_union additional_info_union;
};

/* FCoE XFRQ element */
struct xfrqe_prot_flags {
	u8 flags;
#define XFRQE_PROT_FLAGS_PROT_INTERVAL_SIZE_LOG_MASK	0xF
#define XFRQE_PROT_FLAGS_PROT_INTERVAL_SIZE_LOG_SHIFT	0
#define XFRQE_PROT_FLAGS_DIF_TO_PEER_MASK		0x1
#define XFRQE_PROT_FLAGS_DIF_TO_PEER_SHIFT		4
#define XFRQE_PROT_FLAGS_HOST_INTERFACE_MASK		0x3
#define XFRQE_PROT_FLAGS_HOST_INTERFACE_SHIFT		5
#define XFRQE_PROT_FLAGS_RESERVED_MASK			0x1
#define XFRQE_PROT_FLAGS_RESERVED_SHIFT			7
};

/* FCoE doorbell data */
struct fcoe_db_data {
	u8 params;
#define FCOE_DB_DATA_DEST_MASK		0x3
#define FCOE_DB_DATA_DEST_SHIFT		0
#define FCOE_DB_DATA_AGG_CMD_MASK	0x3
#define FCOE_DB_DATA_AGG_CMD_SHIFT	2
#define FCOE_DB_DATA_BYPASS_EN_MASK	0x1
#define FCOE_DB_DATA_BYPASS_EN_SHIFT	4
#define FCOE_DB_DATA_RESERVED_MASK	0x1
#define FCOE_DB_DATA_RESERVED_SHIFT	5
#define FCOE_DB_DATA_AGG_VAL_SEL_MASK	0x3
#define FCOE_DB_DATA_AGG_VAL_SEL_SHIFT	6
	u8 agg_flags;
	__le16 sq_prod;
};

#endif /* __FCOE_COMMON__ */
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