LXR linux/drivers/scsi/qedf/drv_fcoe_fw

   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
  11struct 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 */
  38int 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 */
  55int 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 */
  68int 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 */
  77int 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 */
  87int init_initiator_sequence_recovery_fcoe_task(
  88        struct fcoe_task_params *task_params,
  89        u32 desired_offset);
  90#endif
  91