Mintz, Yuval | be086e7 | 2017-03-11 18:39:18 +0200 | [diff] [blame] | 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 { |
| 16 | struct iscsi_task_context *context; |
| 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 |