[linux-2.6-block.git] / drivers / scsi / qedi / qedi_fw_iscsi.h

/*
 * 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 e4_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
Commit	Line	Data
be086e7c MY	1	/*
	2	* QLogic iSCSI Offload Driver
	3	* Copyright (c) 2016 Cavium Inc.
	4	*
	5	* This software is available under the terms of the GNU General Public License
	6	* (GPL) Version 2, available from the file COPYING in the main directory of
	7	* this source tree.
	8	*/
	9
	10	#ifndef _QEDI_FW_ISCSI_H_
	11	#define _QEDI_FW_ISCSI_H_
	12
	13	#include "qedi_fw_scsi.h"
	14
	15	struct iscsi_task_params {
21dd79e8	16	struct e4_iscsi_task_context *context;
be086e7c MY	17	struct iscsi_wqe *sqe;
	18	u32 tx_io_size;
	19	u32 rx_io_size;
	20	u16 conn_icid;
	21	u16 itid;
	22	u8 cq_rss_number;
	23	};
	24
	25	struct iscsi_conn_params {
	26	u32 first_burst_length;
	27	u32 max_send_pdu_length;
	28	u32 max_burst_length;
	29	bool initial_r2t;
	30	bool immediate_data;
	31	};
	32
	33	/* @brief init_initiator_read_iscsi_task - initializes iSCSI Initiator Read
	34	* task context.
	35	*
	36	* @param task_params - Pointer to task parameters struct
	37	* @param conn_params - Connection Parameters
	38	* @param cmd_params - command specific parameters
	39	* @param cmd_pdu_header - PDU Header Parameters
	40	* @param sgl_task_params - Pointer to SGL task params
	41	* @param dif_task_params - Pointer to DIF parameters struct
	42	*/
	43	int init_initiator_rw_iscsi_task(struct iscsi_task_params *task_params,
	44	struct iscsi_conn_params *conn_params,
	45	struct scsi_initiator_cmd_params *cmd_params,
	46	struct iscsi_cmd_hdr *cmd_pdu_header,
	47	struct scsi_sgl_task_params *tx_sgl_params,
	48	struct scsi_sgl_task_params *rx_sgl_params,
	49	struct scsi_dif_task_params *dif_task_params);
	50
	51	/* @brief init_initiator_login_request_task - initializes iSCSI Initiator Login
	52	* Request task context.
	53	*
	54	* @param task_params - Pointer to task parameters struct
	55	* @param login_req_pdu_header - PDU Header Parameters
	56	* @param tx_sgl_task_params - Pointer to SGL task params
	57	* @param rx_sgl_task_params - Pointer to SGL task params
	58	*/
	59	int init_initiator_login_request_task(struct iscsi_task_params *task_params,
	60	struct iscsi_login_req_hdr *login_header,
	61	struct scsi_sgl_task_params *tx_params,
	62	struct scsi_sgl_task_params *rx_params);
	63
	64	/* @brief init_initiator_nop_out_task - initializes iSCSI Initiator NOP Out
	65	* task context.
	66	*
	67	* @param task_params - Pointer to task parameters struct
	68	* @param nop_out_pdu_header - PDU Header Parameters
	69	* @param tx_sgl_task_params - Pointer to SGL task params
	70	* @param rx_sgl_task_params - Pointer to SGL task params
	71	*/
	72	int init_initiator_nop_out_task(struct iscsi_task_params *task_params,
	73	struct iscsi_nop_out_hdr *nop_out_pdu_header,
	74	struct scsi_sgl_task_params *tx_sgl_params,
	75	struct scsi_sgl_task_params *rx_sgl_params);
	76
	77	/* @brief init_initiator_logout_request_task - initializes iSCSI Initiator
	78	* Logout Request task context.
	79	*
	80	* @param task_params - Pointer to task parameters struct
81	* @param logout_pdu_header - PDU Header Parameters
82	* @param tx_sgl_task_params - Pointer to SGL task params
83	* @param rx_sgl_task_params - Pointer to SGL task params
84	*/
85	int init_initiator_logout_request_task(struct iscsi_task_params *task_params,
86	struct iscsi_logout_req_hdr *logout_hdr,
87	struct scsi_sgl_task_params *tx_params,
88	struct scsi_sgl_task_params *rx_params);
89
90	/* @brief init_initiator_tmf_request_task - initializes iSCSI Initiator TMF
91	* task context.
92	*
93	* @param task_params - Pointer to task parameters struct
94	* @param tmf_pdu_header - PDU Header Parameters
95	*/
96	int init_initiator_tmf_request_task(struct iscsi_task_params *task_params,
97	struct iscsi_tmf_request_hdr *tmf_header);
98
99	/* @brief init_initiator_text_request_task - initializes iSCSI Initiator Text
100	* Request task context.
101	*
102	* @param task_params - Pointer to task parameters struct
103	* @param text_request_pdu_header - PDU Header Parameters
104	* @param tx_sgl_task_params - Pointer to Tx SGL task params
105	* @param rx_sgl_task_params - Pointer to Rx SGL task params
106	*/
107	int init_initiator_text_request_task(struct iscsi_task_params *task_params,
108	struct iscsi_text_request_hdr *text_header,
109	struct scsi_sgl_task_params *tx_params,
110	struct scsi_sgl_task_params *rx_params);
111
112	/* @brief init_cleanup_task - initializes Clean task (SQE)
113	*
114	* @param task_params - Pointer to task parameters struct
115	*/
116	int init_cleanup_task(struct iscsi_task_params *task_params);
117	#endif