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/*
* QLogic iSCSI Offload Driver
* Copyright (c) 2016 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 _QEDI_FW_ISCSI_H_
#define _QEDI_FW_ISCSI_H_
#include "qedi_fw_scsi.h"
struct iscsi_task_params {
struct iscsi_task_context *context;
struct iscsi_wqe *sqe;
u32 tx_io_size;
u32 rx_io_size;
u16 conn_icid;
u16 itid;
u8 cq_rss_number;
};
struct iscsi_conn_params {
u32 first_burst_length;
u32 max_send_pdu_length;
u32 max_burst_length;
bool initial_r2t;
bool immediate_data;
};
/* @brief init_initiator_read_iscsi_task - initializes iSCSI Initiator Read
* task context.
*
* @param task_params - Pointer to task parameters struct
* @param conn_params - Connection Parameters
* @param cmd_params - command specific parameters
* @param cmd_pdu_header - PDU Header Parameters
* @param sgl_task_params - Pointer to SGL task params
* @param dif_task_params - Pointer to DIF parameters struct
*/
int init_initiator_rw_iscsi_task(struct iscsi_task_params *task_params,
struct iscsi_conn_params *conn_params,
struct scsi_initiator_cmd_params *cmd_params,
struct iscsi_cmd_hdr *cmd_pdu_header,
struct scsi_sgl_task_params *tx_sgl_params,
struct scsi_sgl_task_params *rx_sgl_params,
struct scsi_dif_task_params *dif_task_params);
/* @brief init_initiator_login_request_task - initializes iSCSI Initiator Login
* Request task context.
*
* @param task_params - Pointer to task parameters struct
* @param login_req_pdu_header - PDU Header Parameters
* @param tx_sgl_task_params - Pointer to SGL task params
* @param rx_sgl_task_params - Pointer to SGL task params
*/
int init_initiator_login_request_task(struct iscsi_task_params *task_params,
struct iscsi_login_req_hdr *login_header,
struct scsi_sgl_task_params *tx_params,
struct scsi_sgl_task_params *rx_params);
/* @brief init_initiator_nop_out_task - initializes iSCSI Initiator NOP Out
* task context.
*
* @param task_params - Pointer to task parameters struct
* @param nop_out_pdu_header - PDU Header Parameters
* @param tx_sgl_task_params - Pointer to SGL task params
* @param rx_sgl_task_params - Pointer to SGL task params
*/
int init_initiator_nop_out_task(struct iscsi_task_params *task_params,
struct iscsi_nop_out_hdr *nop_out_pdu_header,
struct scsi_sgl_task_params *tx_sgl_params,
struct scsi_sgl_task_params *rx_sgl_params);
/* @brief init_initiator_logout_request_task - initializes iSCSI Initiator
* Logout Request task context.
*
* @param task_params - Pointer to task parameters struct
* @param logout_pdu_header - PDU Header Parameters
* @param tx_sgl_task_params - Pointer to SGL task params
* @param rx_sgl_task_params - Pointer to SGL task params
*/
int init_initiator_logout_request_task(struct iscsi_task_params *task_params,
struct iscsi_logout_req_hdr *logout_hdr,
struct scsi_sgl_task_params *tx_params,
struct scsi_sgl_task_params *rx_params);
/* @brief init_initiator_tmf_request_task - initializes iSCSI Initiator TMF
* task context.
*
* @param task_params - Pointer to task parameters struct
* @param tmf_pdu_header - PDU Header Parameters
*/
int init_initiator_tmf_request_task(struct iscsi_task_params *task_params,
struct iscsi_tmf_request_hdr *tmf_header);
/* @brief init_initiator_text_request_task - initializes iSCSI Initiator Text
* Request task context.
*
* @param task_params - Pointer to task parameters struct
* @param text_request_pdu_header - PDU Header Parameters
* @param tx_sgl_task_params - Pointer to Tx SGL task params
* @param rx_sgl_task_params - Pointer to Rx SGL task params
*/
int init_initiator_text_request_task(struct iscsi_task_params *task_params,
struct iscsi_text_request_hdr *text_header,
struct scsi_sgl_task_params *tx_params,
struct scsi_sgl_task_params *rx_params);
/* @brief init_cleanup_task - initializes Clean task (SQE)
*
* @param task_params - Pointer to task parameters struct
*/
int init_cleanup_task(struct iscsi_task_params *task_params);
#endif
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