| /* 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 |
