118 lines
4.2 KiB
C
118 lines
4.2 KiB
C
/*
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* QLogic iSCSI Offload Driver
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* Copyright (c) 2016 Cavium Inc.
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*
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* This software is available under the terms of the GNU General Public License
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* (GPL) Version 2, available from the file COPYING in the main directory of
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* this source tree.
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*/
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#ifndef _QEDI_FW_ISCSI_H_
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#define _QEDI_FW_ISCSI_H_
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#include "qedi_fw_scsi.h"
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struct iscsi_task_params {
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struct e4_iscsi_task_context *context;
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struct iscsi_wqe *sqe;
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u32 tx_io_size;
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u32 rx_io_size;
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u16 conn_icid;
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u16 itid;
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u8 cq_rss_number;
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};
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struct iscsi_conn_params {
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u32 first_burst_length;
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u32 max_send_pdu_length;
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u32 max_burst_length;
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bool initial_r2t;
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bool immediate_data;
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};
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/* @brief init_initiator_read_iscsi_task - initializes iSCSI Initiator Read
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* task context.
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*
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* @param task_params - Pointer to task parameters struct
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* @param conn_params - Connection Parameters
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* @param cmd_params - command specific parameters
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* @param cmd_pdu_header - PDU Header Parameters
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* @param sgl_task_params - Pointer to SGL task params
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* @param dif_task_params - Pointer to DIF parameters struct
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*/
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int init_initiator_rw_iscsi_task(struct iscsi_task_params *task_params,
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struct iscsi_conn_params *conn_params,
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struct scsi_initiator_cmd_params *cmd_params,
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struct iscsi_cmd_hdr *cmd_pdu_header,
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struct scsi_sgl_task_params *tx_sgl_params,
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struct scsi_sgl_task_params *rx_sgl_params,
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struct scsi_dif_task_params *dif_task_params);
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/* @brief init_initiator_login_request_task - initializes iSCSI Initiator Login
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* Request task context.
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*
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* @param task_params - Pointer to task parameters struct
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* @param login_req_pdu_header - PDU Header Parameters
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* @param tx_sgl_task_params - Pointer to SGL task params
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* @param rx_sgl_task_params - Pointer to SGL task params
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*/
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int init_initiator_login_request_task(struct iscsi_task_params *task_params,
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struct iscsi_login_req_hdr *login_header,
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struct scsi_sgl_task_params *tx_params,
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struct scsi_sgl_task_params *rx_params);
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/* @brief init_initiator_nop_out_task - initializes iSCSI Initiator NOP Out
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* task context.
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*
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* @param task_params - Pointer to task parameters struct
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* @param nop_out_pdu_header - PDU Header Parameters
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* @param tx_sgl_task_params - Pointer to SGL task params
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* @param rx_sgl_task_params - Pointer to SGL task params
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*/
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int init_initiator_nop_out_task(struct iscsi_task_params *task_params,
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struct iscsi_nop_out_hdr *nop_out_pdu_header,
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struct scsi_sgl_task_params *tx_sgl_params,
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struct scsi_sgl_task_params *rx_sgl_params);
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/* @brief init_initiator_logout_request_task - initializes iSCSI Initiator
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* Logout Request task context.
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*
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* @param task_params - Pointer to task parameters struct
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* @param logout_pdu_header - PDU Header Parameters
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* @param tx_sgl_task_params - Pointer to SGL task params
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* @param rx_sgl_task_params - Pointer to SGL task params
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*/
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int init_initiator_logout_request_task(struct iscsi_task_params *task_params,
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struct iscsi_logout_req_hdr *logout_hdr,
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struct scsi_sgl_task_params *tx_params,
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struct scsi_sgl_task_params *rx_params);
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/* @brief init_initiator_tmf_request_task - initializes iSCSI Initiator TMF
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* task context.
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*
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* @param task_params - Pointer to task parameters struct
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* @param tmf_pdu_header - PDU Header Parameters
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*/
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int init_initiator_tmf_request_task(struct iscsi_task_params *task_params,
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struct iscsi_tmf_request_hdr *tmf_header);
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/* @brief init_initiator_text_request_task - initializes iSCSI Initiator Text
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* Request task context.
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*
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* @param task_params - Pointer to task parameters struct
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* @param text_request_pdu_header - PDU Header Parameters
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* @param tx_sgl_task_params - Pointer to Tx SGL task params
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* @param rx_sgl_task_params - Pointer to Rx SGL task params
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*/
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int init_initiator_text_request_task(struct iscsi_task_params *task_params,
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struct iscsi_text_request_hdr *text_header,
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struct scsi_sgl_task_params *tx_params,
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struct scsi_sgl_task_params *rx_params);
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/* @brief init_cleanup_task - initializes Clean task (SQE)
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*
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* @param task_params - Pointer to task parameters struct
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*/
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int init_cleanup_task(struct iscsi_task_params *task_params);
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#endif
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