diff options
Diffstat (limited to 'drivers/scsi/qedi/qedi_fw_iscsi.h')
| -rw-r--r-- | drivers/scsi/qedi/qedi_fw_iscsi.h | 117 |
1 files changed, 117 insertions, 0 deletions
diff --git a/drivers/scsi/qedi/qedi_fw_iscsi.h b/drivers/scsi/qedi/qedi_fw_iscsi.h new file mode 100644 index 000000000..c3deb77ac --- /dev/null +++ b/drivers/scsi/qedi/qedi_fw_iscsi.h @@ -0,0 +1,117 @@ +/* + * 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 |