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