tjh.dev
Linux kernel mirror (for testing)
git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
kernel
os
linux
1#ifndef _QED_FCOE_IF_H
2#define _QED_FCOE_IF_H
3#include <linux/types.h>
4#include <linux/qed/qed_if.h>
5struct 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
22struct 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
29struct 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)
51struct 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
57struct qed_fcoe_cb_ops {
58 struct qed_common_cb_ops common;
59 u32 (*get_login_failures)(void *cookie);
60};
61
62void 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 */
113struct 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
143const struct qed_fcoe_ops *qed_get_fcoe_ops(void);
144void qed_put_fcoe_ops(void);
145#endif