xref: /linux-6.15/include/linux/qed/qed_fcoe_if.h (revision 564f7dfd)
1 #ifndef _QED_FCOE_IF_H
2 #define _QED_FCOE_IF_H
3 #include <linux/types.h>
4 #include <linux/qed/qed_if.h>
5 struct qed_fcoe_stats {
6 	u64 fcoe_rx_byte_cnt;
7 	u64 fcoe_rx_data_pkt_cnt;
8 	u64 fcoe_rx_xfer_pkt_cnt;
9 	u64 fcoe_rx_other_pkt_cnt;
10 	u32 fcoe_silent_drop_pkt_cmdq_full_cnt;
11 	u32 fcoe_silent_drop_pkt_rq_full_cnt;
12 	u32 fcoe_silent_drop_pkt_crc_error_cnt;
13 	u32 fcoe_silent_drop_pkt_task_invalid_cnt;
14 	u32 fcoe_silent_drop_total_pkt_cnt;
15 
16 	u64 fcoe_tx_byte_cnt;
17 	u64 fcoe_tx_data_pkt_cnt;
18 	u64 fcoe_tx_xfer_pkt_cnt;
19 	u64 fcoe_tx_other_pkt_cnt;
20 };
21 
22 struct qed_dev_fcoe_info {
23 	struct qed_dev_info common;
24 
25 	void __iomem *primary_dbq_rq_addr;
26 	void __iomem *secondary_bdq_rq_addr;
27 };
28 
29 struct qed_fcoe_params_offload {
30 	dma_addr_t sq_pbl_addr;
31 	dma_addr_t sq_curr_page_addr;
32 	dma_addr_t sq_next_page_addr;
33 
34 	u8 src_mac[ETH_ALEN];
35 	u8 dst_mac[ETH_ALEN];
36 
37 	u16 tx_max_fc_pay_len;
38 	u16 e_d_tov_timer_val;
39 	u16 rec_tov_timer_val;
40 	u16 rx_max_fc_pay_len;
41 	u16 vlan_tag;
42 
43 	struct fc_addr_nw s_id;
44 	u8 max_conc_seqs_c3;
45 	struct fc_addr_nw d_id;
46 	u8 flags;
47 	u8 def_q_idx;
48 };
49 
50 #define MAX_TID_BLOCKS_FCOE (512)
51 struct qed_fcoe_tid {
52 	u32 size;		/* In bytes per task */
53 	u32 num_tids_per_block;
54 	u8 *blocks[MAX_TID_BLOCKS_FCOE];
55 };
56 
57 struct qed_fcoe_cb_ops {
58 	struct qed_common_cb_ops common;
59 	 u32 (*get_login_failures)(void *cookie);
60 };
61 
62 void qed_fcoe_set_pf_params(struct qed_dev *cdev,
63 			    struct qed_fcoe_pf_params *params);
64 
65 /**
66  * struct qed_fcoe_ops - qed FCoE operations.
67  * @common:		common operations pointer
68  * @fill_dev_info:	fills FCoE specific information
69  *			@param cdev
70  *			@param info
71  *			@return 0 on sucesss, otherwise error value.
72  * @register_ops:	register FCoE operations
73  *			@param cdev
74  *			@param ops - specified using qed_iscsi_cb_ops
75  *			@param cookie - driver private
76  * @ll2:		light L2 operations pointer
77  * @start:		fcoe in FW
78  *			@param cdev
79  *			@param tasks - qed will fill information about tasks
80  *			return 0 on success, otherwise error value.
81  * @stop:		stops fcoe in FW
82  *			@param cdev
83  *			return 0 on success, otherwise error value.
84  * @acquire_conn:	acquire a new fcoe connection
85  *			@param cdev
86  *			@param handle - qed will fill handle that should be
87  *				used henceforth as identifier of the
88  *				connection.
89  *			@param p_doorbell - qed will fill the address of the
90  *				doorbell.
91  *			return 0 on sucesss, otherwise error value.
92  * @release_conn:	release a previously acquired fcoe connection
93  *			@param cdev
94  *			@param handle - the connection handle.
95  *			return 0 on success, otherwise error value.
96  * @offload_conn:	configures an offloaded connection
97  *			@param cdev
98  *			@param handle - the connection handle.
99  *			@param conn_info - the configuration to use for the
100  *				offload.
101  *			return 0 on success, otherwise error value.
102  * @destroy_conn:	stops an offloaded connection
103  *			@param cdev
104  *			@param handle - the connection handle.
105  *			@param terminate_params
106  *			return 0 on success, otherwise error value.
107  * @get_stats:		gets FCoE related statistics
108  *			@param cdev
109  *			@param stats - pointer to struck that would be filled
110  *				we stats
111  *			return 0 on success, error otherwise.
112  */
113 struct qed_fcoe_ops {
114 	const struct qed_common_ops *common;
115 
116 	int (*fill_dev_info)(struct qed_dev *cdev,
117 			     struct qed_dev_fcoe_info *info);
118 
119 	void (*register_ops)(struct qed_dev *cdev,
120 			     struct qed_fcoe_cb_ops *ops, void *cookie);
121 
122 	const struct qed_ll2_ops *ll2;
123 
124 	int (*start)(struct qed_dev *cdev, struct qed_fcoe_tid *tasks);
125 
126 	int (*stop)(struct qed_dev *cdev);
127 
128 	int (*acquire_conn)(struct qed_dev *cdev,
129 			    u32 *handle,
130 			    u32 *fw_cid, void __iomem **p_doorbell);
131 
132 	int (*release_conn)(struct qed_dev *cdev, u32 handle);
133 
134 	int (*offload_conn)(struct qed_dev *cdev,
135 			    u32 handle,
136 			    struct qed_fcoe_params_offload *conn_info);
137 	int (*destroy_conn)(struct qed_dev *cdev,
138 			    u32 handle, dma_addr_t terminate_params);
139 
140 	int (*get_stats)(struct qed_dev *cdev, struct qed_fcoe_stats *stats);
141 };
142 
143 const struct qed_fcoe_ops *qed_get_fcoe_ops(void);
144 void qed_put_fcoe_ops(void);
145 #endif
146