tjh.dev
Linux kernel mirror (for testing)
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linux
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
70void qed_fcoe_set_pf_params(struct qed_dev *cdev,
71 struct qed_fcoe_pf_params *params);
72
73/**
74 * struct qed_fcoe_ops - qed FCoE operations.
75 * @common: common operations pointer
76 * @fill_dev_info: fills FCoE specific information
77 * @param cdev
78 * @param info
79 * @return 0 on sucesss, otherwise error value.
80 * @register_ops: register FCoE operations
81 * @param cdev
82 * @param ops - specified using qed_iscsi_cb_ops
83 * @param cookie - driver private
84 * @ll2: light L2 operations pointer
85 * @start: fcoe in FW
86 * @param cdev
87 * @param tasks - qed will fill information about tasks
88 * return 0 on success, otherwise error value.
89 * @stop: stops fcoe in FW
90 * @param cdev
91 * return 0 on success, otherwise error value.
92 * @acquire_conn: acquire a new fcoe connection
93 * @param cdev
94 * @param handle - qed will fill handle that should be
95 * used henceforth as identifier of the
96 * connection.
97 * @param p_doorbell - qed will fill the address of the
98 * doorbell.
99 * return 0 on sucesss, otherwise error value.
100 * @release_conn: release a previously acquired fcoe connection
101 * @param cdev
102 * @param handle - the connection handle.
103 * return 0 on success, otherwise error value.
104 * @offload_conn: configures an offloaded connection
105 * @param cdev
106 * @param handle - the connection handle.
107 * @param conn_info - the configuration to use for the
108 * offload.
109 * return 0 on success, otherwise error value.
110 * @destroy_conn: stops an offloaded connection
111 * @param cdev
112 * @param handle - the connection handle.
113 * @param terminate_params
114 * return 0 on success, otherwise error value.
115 * @get_stats: gets FCoE related statistics
116 * @param cdev
117 * @param stats - pointer to struck that would be filled
118 * we stats
119 * return 0 on success, error otherwise.
120 */
121struct qed_fcoe_ops {
122 const struct qed_common_ops *common;
123
124 int (*fill_dev_info)(struct qed_dev *cdev,
125 struct qed_dev_fcoe_info *info);
126
127 void (*register_ops)(struct qed_dev *cdev,
128 struct qed_fcoe_cb_ops *ops, void *cookie);
129
130 const struct qed_ll2_ops *ll2;
131
132 int (*start)(struct qed_dev *cdev, struct qed_fcoe_tid *tasks);
133
134 int (*stop)(struct qed_dev *cdev);
135
136 int (*acquire_conn)(struct qed_dev *cdev,
137 u32 *handle,
138 u32 *fw_cid, void __iomem **p_doorbell);
139
140 int (*release_conn)(struct qed_dev *cdev, u32 handle);
141
142 int (*offload_conn)(struct qed_dev *cdev,
143 u32 handle,
144 struct qed_fcoe_params_offload *conn_info);
145 int (*destroy_conn)(struct qed_dev *cdev,
146 u32 handle, dma_addr_t terminate_params);
147
148 int (*get_stats)(struct qed_dev *cdev, struct qed_fcoe_stats *stats);
149};
150
151const struct qed_fcoe_ops *qed_get_fcoe_ops(void);
152void qed_put_fcoe_ops(void);
153#endif