1 /* QLogic FCoE Offload Driver 2 * Copyright (c) 2016-2018 Cavium Inc. 3 * 4 * This software is available under the terms of the GNU General Public License 5 * (GPL) Version 2, available from the file COPYING in the main directory of 6 * this source tree. 7 */ 8 #ifndef _FCOE_FW_FUNCS_H 9 #define _FCOE_FW_FUNCS_H 10 #include "drv_scsi_fw_funcs.h" 11 #include "qedf_hsi.h" 12 #include <linux/qed/qed_if.h> 13 14 struct fcoe_task_params { 15 /* Output parameter [set/filled by the HSI function] */ 16 struct e4_fcoe_task_context *context; 17 18 /* Output parameter [set/filled by the HSI function] */ 19 struct fcoe_wqe *sqe; 20 enum fcoe_task_type task_type; 21 u32 tx_io_size; /* in bytes */ 22 u32 rx_io_size; /* in bytes */ 23 u32 conn_cid; 24 u16 itid; 25 u8 cq_rss_number; 26 27 /* Whether it's Tape device or not (0=Disk, 1=Tape) */ 28 u8 is_tape_device; 29 }; 30 31 /** 32 * @brief init_initiator_rw_fcoe_task - Initializes FCoE task context for 33 * read/write task types and init fcoe_sqe 34 * 35 * @param task_params - Pointer to task parameters struct 36 * @param sgl_task_params - Pointer to SGL task params 37 * @param sense_data_buffer_phys_addr - Pointer to sense data buffer 38 * @param task_retry_id - retry identification - Used only for Tape device 39 * @param fcp_cmnd_payload - FCP CMD Payload 40 */ 41 int init_initiator_rw_fcoe_task(struct fcoe_task_params *task_params, 42 struct scsi_sgl_task_params *sgl_task_params, 43 struct regpair sense_data_buffer_phys_addr, 44 u32 task_retry_id, 45 u8 fcp_cmd_payload[32]); 46 47 /** 48 * @brief init_initiator_midpath_fcoe_task - Initializes FCoE task context for 49 * midpath/unsolicited task types and init fcoe_sqe 50 * 51 * @param task_params - Pointer to task parameters struct 52 * @param mid_path_fc_header - FC header 53 * @param tx_sgl_task_params - Pointer to Tx SGL task params 54 * @param rx_sgl_task_params - Pointer to Rx SGL task params 55 * @param fw_to_place_fc_header - Indication if the FW will place the FC header 56 * in addition to the data arrives. 57 */ 58 int init_initiator_midpath_unsolicited_fcoe_task( 59 struct fcoe_task_params *task_params, 60 struct fcoe_tx_mid_path_params *mid_path_fc_header, 61 struct scsi_sgl_task_params *tx_sgl_task_params, 62 struct scsi_sgl_task_params *rx_sgl_task_params, 63 u8 fw_to_place_fc_header); 64 65 /** 66 * @brief init_initiator_abort_fcoe_task - Initializes FCoE task context for 67 * abort task types and init fcoe_sqe 68 * 69 * @param task_params - Pointer to task parameters struct 70 */ 71 int init_initiator_abort_fcoe_task(struct fcoe_task_params *task_params); 72 73 /** 74 * @brief init_initiator_cleanup_fcoe_task - Initializes FCoE task context for 75 * cleanup task types and init fcoe_sqe 76 * 77 * 78 * @param task_params - Pointer to task parameters struct 79 */ 80 int init_initiator_cleanup_fcoe_task(struct fcoe_task_params *task_params); 81 82 /** 83 * @brief init_initiator_cleanup_fcoe_task - Initializes FCoE task context for 84 * sequence recovery task types and init fcoe_sqe 85 * 86 * 87 * @param task_params - Pointer to task parameters struct 88 * @param desired_offset - The desired offest the task will be re-sent from 89 */ 90 int init_initiator_sequence_recovery_fcoe_task( 91 struct fcoe_task_params *task_params, 92 u32 desired_offset); 93 #endif 94