1/* SPDX-License-Identifier: GPL-2.0-only */
  2/*
  3 * QLogic iSCSI Offload Driver
  4 * Copyright (c) 2016 Cavium Inc.
  5 */
  6
  7#ifndef _QEDI_FW_ISCSI_H_
  8#define _QEDI_FW_ISCSI_H_
  9
 10#include "qedi_fw_scsi.h"
 11
 12struct iscsi_task_params {
 13	struct iscsi_task_context *context;
 14	struct iscsi_wqe	  *sqe;
 15	u32			  tx_io_size;
 16	u32			  rx_io_size;
 17	u16			  conn_icid;
 18	u16			  itid;
 19	u8			  cq_rss_number;
 20};
 21
 22struct iscsi_conn_params {
 23	u32	first_burst_length;
 24	u32	max_send_pdu_length;
 25	u32	max_burst_length;
 26	bool	initial_r2t;
 27	bool	immediate_data;
 28};
 29
 30/* @brief init_initiator_read_iscsi_task - initializes iSCSI Initiator Read
 31 * task context.
 32 *
 33 * @param task_params	  - Pointer to task parameters struct
 34 * @param conn_params	  - Connection Parameters
 35 * @param cmd_params	  - command specific parameters
 36 * @param cmd_pdu_header  - PDU Header Parameters
 37 * @param sgl_task_params - Pointer to SGL task params
 38 * @param dif_task_params - Pointer to DIF parameters struct
 39 */
 40int init_initiator_rw_iscsi_task(struct iscsi_task_params *task_params,
 41				 struct iscsi_conn_params *conn_params,
 42				 struct scsi_initiator_cmd_params *cmd_params,
 43				 struct iscsi_cmd_hdr *cmd_pdu_header,
 44				 struct scsi_sgl_task_params *tx_sgl_params,
 45				 struct scsi_sgl_task_params *rx_sgl_params,
 46				 struct scsi_dif_task_params *dif_task_params);
 47
 48/* @brief init_initiator_login_request_task - initializes iSCSI Initiator Login
 49 * Request task context.
 50 *
 51 * @param task_params		  - Pointer to task parameters struct
 52 * @param login_req_pdu_header    - PDU Header Parameters
 53 * @param tx_sgl_task_params	  - Pointer to SGL task params
 54 * @param rx_sgl_task_params	  - Pointer to SGL task params
 55 */
 56int init_initiator_login_request_task(struct iscsi_task_params *task_params,
 57				      struct iscsi_login_req_hdr *login_header,
 58				      struct scsi_sgl_task_params *tx_params,
 59				      struct scsi_sgl_task_params *rx_params);
 60
 61/* @brief init_initiator_nop_out_task - initializes iSCSI Initiator NOP Out
 62 * task context.
 63 *
 64 * @param task_params		- Pointer to task parameters struct
 65 * @param nop_out_pdu_header    - PDU Header Parameters
 66 * @param tx_sgl_task_params	- Pointer to SGL task params
 67 * @param rx_sgl_task_params	- Pointer to SGL task params
 68 */
 69int init_initiator_nop_out_task(struct iscsi_task_params *task_params,
 70				struct iscsi_nop_out_hdr *nop_out_pdu_header,
 71				struct scsi_sgl_task_params *tx_sgl_params,
 72				struct scsi_sgl_task_params *rx_sgl_params);
 73
 74/* @brief init_initiator_logout_request_task - initializes iSCSI Initiator
 75 * Logout Request task context.
 76 *
 77 * @param task_params		- Pointer to task parameters struct
 78 * @param logout_pdu_header  - PDU Header Parameters
 79 * @param tx_sgl_task_params	- Pointer to SGL task params
 80 * @param rx_sgl_task_params	- Pointer to SGL task params
 81 */
 82int init_initiator_logout_request_task(struct iscsi_task_params *task_params,
 83				       struct iscsi_logout_req_hdr *logout_hdr,
 84				       struct scsi_sgl_task_params *tx_params,
 85				       struct scsi_sgl_task_params *rx_params);
 86
 87/* @brief init_initiator_tmf_request_task - initializes iSCSI Initiator TMF
 88 * task context.
 89 *
 90 * @param task_params	- Pointer to task parameters struct
 91 * @param tmf_pdu_header - PDU Header Parameters
 92 */
 93int init_initiator_tmf_request_task(struct iscsi_task_params *task_params,
 94				    struct iscsi_tmf_request_hdr *tmf_header);
 95
 96/* @brief init_initiator_text_request_task - initializes iSCSI Initiator Text
 97 * Request task context.
 98 *
 99 * @param task_params		     - Pointer to task parameters struct
100 * @param text_request_pdu_header    - PDU Header Parameters
101 * @param tx_sgl_task_params	     - Pointer to Tx SGL task params
102 * @param rx_sgl_task_params	     - Pointer to Rx SGL task params
103 */
104int init_initiator_text_request_task(struct iscsi_task_params *task_params,
105				     struct iscsi_text_request_hdr *text_header,
106				     struct scsi_sgl_task_params *tx_params,
107				     struct scsi_sgl_task_params *rx_params);
108
109/* @brief init_cleanup_task - initializes Clean task (SQE)
110 *
111 * @param task_params - Pointer to task parameters struct
112 */
113int init_cleanup_task(struct iscsi_task_params *task_params);
114#endif