1/* SPDX-License-Identifier: (GPL-2.0-only OR BSD-3-Clause) */
2/* Copyright (c) 2019-2020 Marvell International Ltd. */
3
4#ifndef _QED_FCOE_IF_H
5#define _QED_FCOE_IF_H
6#include <linux/types.h>
7#include <linux/qed/qed_if.h>
8struct qed_fcoe_stats {
9	u64 fcoe_rx_byte_cnt;
10	u64 fcoe_rx_data_pkt_cnt;
11	u64 fcoe_rx_xfer_pkt_cnt;
12	u64 fcoe_rx_other_pkt_cnt;
13	u32 fcoe_silent_drop_pkt_cmdq_full_cnt;
14	u32 fcoe_silent_drop_pkt_rq_full_cnt;
15	u32 fcoe_silent_drop_pkt_crc_error_cnt;
16	u32 fcoe_silent_drop_pkt_task_invalid_cnt;
17	u32 fcoe_silent_drop_total_pkt_cnt;
18
19	u64 fcoe_tx_byte_cnt;
20	u64 fcoe_tx_data_pkt_cnt;
21	u64 fcoe_tx_xfer_pkt_cnt;
22	u64 fcoe_tx_other_pkt_cnt;
23};
24
25struct qed_dev_fcoe_info {
26	struct qed_dev_info common;
27
28	void __iomem *primary_dbq_rq_addr;
29	void __iomem *secondary_bdq_rq_addr;
30
31	u64 wwpn;
32	u64 wwnn;
33
34	u8 num_cqs;
35};
36
37struct qed_fcoe_params_offload {
38	dma_addr_t sq_pbl_addr;
39	dma_addr_t sq_curr_page_addr;
40	dma_addr_t sq_next_page_addr;
41
42	u8 src_mac[ETH_ALEN];
43	u8 dst_mac[ETH_ALEN];
44
45	u16 tx_max_fc_pay_len;
46	u16 e_d_tov_timer_val;
47	u16 rec_tov_timer_val;
48	u16 rx_max_fc_pay_len;
49	u16 vlan_tag;
50
51	struct fc_addr_nw s_id;
52	u8 max_conc_seqs_c3;
53	struct fc_addr_nw d_id;
54	u8 flags;
55	u8 def_q_idx;
56};
57
58#define MAX_TID_BLOCKS_FCOE (512)
59struct qed_fcoe_tid {
60	u32 size;		/* In bytes per task */
61	u32 num_tids_per_block;
62	u8 *blocks[MAX_TID_BLOCKS_FCOE];
63};
64
65struct qed_fcoe_cb_ops {
66	struct qed_common_cb_ops common;
67	 u32 (*get_login_failures)(void *cookie);
68};
69
70/**
71 * struct qed_fcoe_ops - qed FCoE operations.
72 * @common:		common operations pointer
73 * @fill_dev_info:	fills FCoE specific information
74 *			@param cdev
75 *			@param info
76 *			@return 0 on success, otherwise error value.
77 * @register_ops:	register FCoE operations
78 *			@param cdev
79 *			@param ops - specified using qed_iscsi_cb_ops
80 *			@param cookie - driver private
81 * @ll2:		light L2 operations pointer
82 * @start:		fcoe in FW
83 *			@param cdev
84 *			@param tasks - qed will fill information about tasks
85 *			return 0 on success, otherwise error value.
86 * @stop:		stops fcoe in FW
87 *			@param cdev
88 *			return 0 on success, otherwise error value.
89 * @acquire_conn:	acquire a new fcoe connection
90 *			@param cdev
91 *			@param handle - qed will fill handle that should be
92 *				used henceforth as identifier of the
93 *				connection.
94 *			@param p_doorbell - qed will fill the address of the
95 *				doorbell.
96 *			return 0 on success, otherwise error value.
97 * @release_conn:	release a previously acquired fcoe connection
98 *			@param cdev
99 *			@param handle - the connection handle.
100 *			return 0 on success, otherwise error value.
101 * @offload_conn:	configures an offloaded connection
102 *			@param cdev
103 *			@param handle - the connection handle.
104 *			@param conn_info - the configuration to use for the
105 *				offload.
106 *			return 0 on success, otherwise error value.
107 * @destroy_conn:	stops an offloaded connection
108 *			@param cdev
109 *			@param handle - the connection handle.
110 *			@param terminate_params
111 *			return 0 on success, otherwise error value.
112 * @get_stats:		gets FCoE related statistics
113 *			@param cdev
114 *			@param stats - pointer to struck that would be filled
115 *				we stats
116 *			return 0 on success, error otherwise.
117 */
118struct qed_fcoe_ops {
119	const struct qed_common_ops *common;
120
121	int (*fill_dev_info)(struct qed_dev *cdev,
122			     struct qed_dev_fcoe_info *info);
123
124	void (*register_ops)(struct qed_dev *cdev,
125			     struct qed_fcoe_cb_ops *ops, void *cookie);
126
127	const struct qed_ll2_ops *ll2;
128
129	int (*start)(struct qed_dev *cdev, struct qed_fcoe_tid *tasks);
130
131	int (*stop)(struct qed_dev *cdev);
132
133	int (*acquire_conn)(struct qed_dev *cdev,
134			    u32 *handle,
135			    u32 *fw_cid, void __iomem **p_doorbell);
136
137	int (*release_conn)(struct qed_dev *cdev, u32 handle);
138
139	int (*offload_conn)(struct qed_dev *cdev,
140			    u32 handle,
141			    struct qed_fcoe_params_offload *conn_info);
142	int (*destroy_conn)(struct qed_dev *cdev,
143			    u32 handle, dma_addr_t terminate_params);
144
145	int (*get_stats)(struct qed_dev *cdev, struct qed_fcoe_stats *stats);
146};
147
148const struct qed_fcoe_ops *qed_get_fcoe_ops(void);
149void qed_put_fcoe_ops(void);
150#endif
151