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1/* SPDX-License-Identifier: GPL-2.0-only */2/* QLogic FCoE Offload Driver3 * Copyright (c) 2016-2018 Cavium Inc.4 */5#ifndef _SCSI_FW_FUNCS_H6#define _SCSI_FW_FUNCS_H7#include <linux/qed/common_hsi.h>8#include <linux/qed/storage_common.h>9#include <linux/qed/fcoe_common.h>10 11struct scsi_sgl_task_params {12 struct scsi_sge *sgl;13 struct regpair sgl_phys_addr;14 u32 total_buffer_size;15 u16 num_sges;16 17 /* true if SGL contains a small (< 4KB) SGE in middle(not 1st or last)18 * -> relevant for tx only19 */20 bool small_mid_sge;21};22 23struct scsi_dif_task_params {24 u32 initial_ref_tag;25 bool initial_ref_tag_is_valid;26 u16 application_tag;27 u16 application_tag_mask;28 u16 dif_block_size_log;29 bool dif_on_network;30 bool dif_on_host;31 u8 host_guard_type;32 u8 protection_type;33 u8 ref_tag_mask;34 bool crc_seed;35 36 /* Enable Connection error upon DIF error (segments with DIF errors are37 * dropped)38 */39 bool tx_dif_conn_err_en;40 bool ignore_app_tag;41 bool keep_ref_tag_const;42 bool validate_guard;43 bool validate_app_tag;44 bool validate_ref_tag;45 bool forward_guard;46 bool forward_app_tag;47 bool forward_ref_tag;48 bool forward_app_tag_with_mask;49 bool forward_ref_tag_with_mask;50};51 52struct scsi_initiator_cmd_params {53 /* for cdb_size > default CDB size (extended CDB > 16 bytes) ->54 * pointer to the CDB buffer SGE55 */56 struct scsi_sge extended_cdb_sge;57 58 /* Physical address of sense data buffer for sense data - 256B buffer */59 struct regpair sense_data_buffer_phys_addr;60};61 62/**63 * @brief scsi_is_slow_sgl - checks for slow SGL64 *65 * @param num_sges - number of sges in SGL66 * @param small_mid_sge - True is the SGL contains an SGE which is smaller than67 * 4KB and its not the 1st or last SGE in the SGL68 */69bool scsi_is_slow_sgl(u16 num_sges, bool small_mid_sge);70 71/**72 * @brief init_scsi_sgl_context - initializes SGL task context73 *74 * @param sgl_params - SGL context parameters to initialize (output parameter)75 * @param data_desc - context struct containing SGEs array to set (output76 * parameter)77 * @param sgl_task_params - SGL parameters (input)78 */79void init_scsi_sgl_context(struct scsi_sgl_params *sgl_params,80 struct scsi_cached_sges *ctx_data_desc,81 struct scsi_sgl_task_params *sgl_task_params);82#endif83