/* SPDX-License-Identifier: GPL-2.0-only */ /* QLogic FCoE Offload Driver * Copyright (c) 2016-2018 Cavium Inc. */ #ifndef _SCSI_FW_FUNCS_H #define _SCSI_FW_FUNCS_H #include <linux/qed/common_hsi.h> #include <linux/qed/storage_common.h> #include <linux/qed/fcoe_common.h> struct scsi_sgl_task_params { struct scsi_sge *sgl; struct regpair sgl_phys_addr; u32 total_buffer_size; u16 num_sges; /* true if SGL contains a small (< 4KB) SGE in middle(not 1st or last) * -> relevant for tx only */ bool small_mid_sge; }; struct scsi_dif_task_params { u32 initial_ref_tag; bool initial_ref_tag_is_valid; u16 application_tag; u16 application_tag_mask; u16 dif_block_size_log; bool dif_on_network; bool dif_on_host; u8 host_guard_type; u8 protection_type; u8 ref_tag_mask; bool crc_seed; /* Enable Connection error upon DIF error (segments with DIF errors are * dropped) */ bool tx_dif_conn_err_en; bool ignore_app_tag; bool keep_ref_tag_const; bool validate_guard; bool validate_app_tag; bool validate_ref_tag; bool forward_guard; bool forward_app_tag; bool forward_ref_tag; bool forward_app_tag_with_mask; bool forward_ref_tag_with_mask; }; struct scsi_initiator_cmd_params { /* for cdb_size > default CDB size (extended CDB > 16 bytes) -> * pointer to the CDB buffer SGE */ struct scsi_sge extended_cdb_sge; /* Physical address of sense data buffer for sense data - 256B buffer */ struct regpair sense_data_buffer_phys_addr; }; /** * @brief scsi_is_slow_sgl - checks for slow SGL * * @param num_sges - number of sges in SGL * @param small_mid_sge - True is the SGL contains an SGE which is smaller than * 4KB and its not the 1st or last SGE in the SGL */ bool scsi_is_slow_sgl(u16 num_sges, bool small_mid_sge); /** * @brief init_scsi_sgl_context - initializes SGL task context * * @param sgl_params - SGL context parameters to initialize (output parameter) * @param data_desc - context struct containing SGEs array to set (output * parameter) * @param sgl_task_params - SGL parameters (input) */ void init_scsi_sgl_context(struct scsi_sgl_params *sgl_params, struct scsi_cached_sges *ctx_data_desc, struct scsi_sgl_task_params *sgl_task_params); #endif