1 /* SPDX-License-Identifier: GPL-2.0-only */ 2 /* QLogic FCoE Offload Driver 3 * Copyright (c) 2016-2018 Cavium Inc. 4 */ 5 #ifndef _FCOE_FW_FUNCS_H 6 #define _FCOE_FW_FUNCS_H 7 #include "drv_scsi_fw_funcs.h" 8 #include "qedf_hsi.h" 9 #include <linux/qed/qed_if.h> 10 11 struct fcoe_task_params { 12 /* Output parameter [set/filled by the HSI function] */ 13 struct e4_fcoe_task_context *context; 14 15 /* Output parameter [set/filled by the HSI function] */ 16 struct fcoe_wqe *sqe; 17 enum fcoe_task_type task_type; 18 u32 tx_io_size; /* in bytes */ 19 u32 rx_io_size; /* in bytes */ 20 u32 conn_cid; 21 u16 itid; 22 u8 cq_rss_number; 23 24 /* Whether it's Tape device or not (0=Disk, 1=Tape) */ 25 u8 is_tape_device; 26 }; 27 28 /** 29 * @brief init_initiator_rw_fcoe_task - Initializes FCoE task context for 30 * read/write task types and init fcoe_sqe 31 * 32 * @param task_params - Pointer to task parameters struct 33 * @param sgl_task_params - Pointer to SGL task params 34 * @param sense_data_buffer_phys_addr - Pointer to sense data buffer 35 * @param task_retry_id - retry identification - Used only for Tape device 36 * @param fcp_cmnd_payload - FCP CMD Payload 37 */ 38 int init_initiator_rw_fcoe_task(struct fcoe_task_params *task_params, 39 struct scsi_sgl_task_params *sgl_task_params, 40 struct regpair sense_data_buffer_phys_addr, 41 u32 task_retry_id, 42 u8 fcp_cmd_payload[32]); 43 44 /** 45 * @brief init_initiator_midpath_fcoe_task - Initializes FCoE task context for 46 * midpath/unsolicited task types and init fcoe_sqe 47 * 48 * @param task_params - Pointer to task parameters struct 49 * @param mid_path_fc_header - FC header 50 * @param tx_sgl_task_params - Pointer to Tx SGL task params 51 * @param rx_sgl_task_params - Pointer to Rx SGL task params 52 * @param fw_to_place_fc_header - Indication if the FW will place the FC header 53 * in addition to the data arrives. 54 */ 55 int init_initiator_midpath_unsolicited_fcoe_task( 56 struct fcoe_task_params *task_params, 57 struct fcoe_tx_mid_path_params *mid_path_fc_header, 58 struct scsi_sgl_task_params *tx_sgl_task_params, 59 struct scsi_sgl_task_params *rx_sgl_task_params, 60 u8 fw_to_place_fc_header); 61 62 /** 63 * @brief init_initiator_abort_fcoe_task - Initializes FCoE task context for 64 * abort task types and init fcoe_sqe 65 * 66 * @param task_params - Pointer to task parameters struct 67 */ 68 int init_initiator_abort_fcoe_task(struct fcoe_task_params *task_params); 69 70 /** 71 * @brief init_initiator_cleanup_fcoe_task - Initializes FCoE task context for 72 * cleanup task types and init fcoe_sqe 73 * 74 * 75 * @param task_params - Pointer to task parameters struct 76 */ 77 int init_initiator_cleanup_fcoe_task(struct fcoe_task_params *task_params); 78 79 /** 80 * @brief init_initiator_cleanup_fcoe_task - Initializes FCoE task context for 81 * sequence recovery task types and init fcoe_sqe 82 * 83 * 84 * @param task_params - Pointer to task parameters struct 85 * @param desired_offset - The desired offest the task will be re-sent from 86 */ 87 int init_initiator_sequence_recovery_fcoe_task( 88 struct fcoe_task_params *task_params, 89 u32 desired_offset); 90 #endif 91