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10#ifndef BNXT_ULP_H
11#define BNXT_ULP_H
12
13#define BNXT_ROCE_ULP 0
14#define BNXT_OTHER_ULP 1
15#define BNXT_MAX_ULP 2
16
17#define BNXT_MIN_ROCE_CP_RINGS 2
18#define BNXT_MIN_ROCE_STAT_CTXS 1
19
20struct hwrm_async_event_cmpl;
21struct bnxt;
22
23struct bnxt_msix_entry {
24 u32 vector;
25 u32 ring_idx;
26 u32 db_offset;
27};
28
29struct bnxt_ulp_ops {
30
31 void (*ulp_async_notifier)(void *, struct hwrm_async_event_cmpl *);
32 void (*ulp_stop)(void *);
33 void (*ulp_start)(void *);
34 void (*ulp_sriov_config)(void *, int);
35 void (*ulp_shutdown)(void *);
36 void (*ulp_irq_stop)(void *);
37 void (*ulp_irq_restart)(void *, struct bnxt_msix_entry *);
38};
39
40struct bnxt_fw_msg {
41 void *msg;
42 int msg_len;
43 void *resp;
44 int resp_max_len;
45 int timeout;
46};
47
48struct bnxt_ulp {
49 void *handle;
50 struct bnxt_ulp_ops __rcu *ulp_ops;
51 unsigned long *async_events_bmap;
52 u16 max_async_event_id;
53 u16 msix_requested;
54 u16 msix_base;
55 atomic_t ref_count;
56};
57
58struct bnxt_en_dev {
59 struct net_device *net;
60 struct pci_dev *pdev;
61 u32 flags;
62 #define BNXT_EN_FLAG_ROCEV1_CAP 0x1
63 #define BNXT_EN_FLAG_ROCEV2_CAP 0x2
64 #define BNXT_EN_FLAG_ROCE_CAP (BNXT_EN_FLAG_ROCEV1_CAP | \
65 BNXT_EN_FLAG_ROCEV2_CAP)
66 #define BNXT_EN_FLAG_MSIX_REQUESTED 0x4
67 #define BNXT_EN_FLAG_ULP_STOPPED 0x8
68 const struct bnxt_en_ops *en_ops;
69 struct bnxt_ulp ulp_tbl[BNXT_MAX_ULP];
70};
71
72struct bnxt_en_ops {
73 int (*bnxt_register_device)(struct bnxt_en_dev *, int,
74 struct bnxt_ulp_ops *, void *);
75 int (*bnxt_unregister_device)(struct bnxt_en_dev *, int);
76 int (*bnxt_request_msix)(struct bnxt_en_dev *, int,
77 struct bnxt_msix_entry *, int);
78 int (*bnxt_free_msix)(struct bnxt_en_dev *, int);
79 int (*bnxt_send_fw_msg)(struct bnxt_en_dev *, int,
80 struct bnxt_fw_msg *);
81 int (*bnxt_register_fw_async_events)(struct bnxt_en_dev *, int,
82 unsigned long *, u16);
83};
84
85static inline bool bnxt_ulp_registered(struct bnxt_en_dev *edev, int ulp_id)
86{
87 if (edev && rcu_access_pointer(edev->ulp_tbl[ulp_id].ulp_ops))
88 return true;
89 return false;
90}
91
92int bnxt_get_ulp_msix_num(struct bnxt *bp);
93int bnxt_get_ulp_msix_base(struct bnxt *bp);
94int bnxt_get_ulp_stat_ctxs(struct bnxt *bp);
95void bnxt_ulp_stop(struct bnxt *bp);
96void bnxt_ulp_start(struct bnxt *bp, int err);
97void bnxt_ulp_sriov_cfg(struct bnxt *bp, int num_vfs);
98void bnxt_ulp_shutdown(struct bnxt *bp);
99void bnxt_ulp_irq_stop(struct bnxt *bp);
100void bnxt_ulp_irq_restart(struct bnxt *bp, int err);
101void bnxt_ulp_async_events(struct bnxt *bp, struct hwrm_async_event_cmpl *cmpl);
102struct bnxt_en_dev *bnxt_ulp_probe(struct net_device *dev);
103
104#endif
105
