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