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> |
8 | struct 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 | |
25 | struct 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 | |
37 | struct 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) |
59 | struct 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 | |
65 | struct 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 | */ |
118 | struct 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 | |
148 | const struct qed_fcoe_ops *qed_get_fcoe_ops(void); |
149 | void qed_put_fcoe_ops(void); |
150 | #endif |
151 | |