/* QLogic FCoE Offload Driver
|
* Copyright (c) 2016-2018 Cavium Inc.
|
*
|
* This software is available under the terms of the GNU General Public License
|
* (GPL) Version 2, available from the file COPYING in the main directory of
|
* this source tree.
|
*/
|
#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
|
