Loading...
1/* Broadcom NetXtreme-C/E network driver.
2 *
3 * Copyright (c) 2016-2018 Broadcom Limited
4 *
5 * This program is free software; you can redistribute it and/or modify
6 * it under the terms of the GNU General Public License as published by
7 * the Free Software Foundation.
8 */
9
10#ifndef BNXT_ULP_H
11#define BNXT_ULP_H
12
13#define BNXT_ROCE_ULP 0
14#define BNXT_MAX_ULP 1
15
16#define BNXT_MIN_ROCE_CP_RINGS 2
17#define BNXT_MIN_ROCE_STAT_CTXS 1
18#define BNXT_MAX_ROCE_MSIX 9
19#define BNXT_MAX_VF_ROCE_MSIX 2
20
21struct hwrm_async_event_cmpl;
22struct bnxt;
23
24struct bnxt_msix_entry {
25 u32 vector;
26 u32 ring_idx;
27 u32 db_offset;
28};
29
30struct bnxt_ulp_ops {
31 void (*ulp_irq_stop)(void *);
32 void (*ulp_irq_restart)(void *, struct bnxt_msix_entry *);
33};
34
35struct bnxt_fw_msg {
36 void *msg;
37 int msg_len;
38 void *resp;
39 int resp_max_len;
40 int timeout;
41};
42
43struct bnxt_ulp {
44 void *handle;
45 struct bnxt_ulp_ops __rcu *ulp_ops;
46 unsigned long *async_events_bmap;
47 u16 max_async_event_id;
48 u16 msix_requested;
49 u16 msix_base;
50 atomic_t ref_count;
51};
52
53struct bnxt_en_dev {
54 struct net_device *net;
55 struct pci_dev *pdev;
56 struct bnxt_msix_entry msix_entries[BNXT_MAX_ROCE_MSIX];
57 u32 flags;
58 #define BNXT_EN_FLAG_ROCEV1_CAP 0x1
59 #define BNXT_EN_FLAG_ROCEV2_CAP 0x2
60 #define BNXT_EN_FLAG_ROCE_CAP (BNXT_EN_FLAG_ROCEV1_CAP | \
61 BNXT_EN_FLAG_ROCEV2_CAP)
62 #define BNXT_EN_FLAG_MSIX_REQUESTED 0x4
63 #define BNXT_EN_FLAG_ULP_STOPPED 0x8
64 #define BNXT_EN_FLAG_VF 0x10
65#define BNXT_EN_VF(edev) ((edev)->flags & BNXT_EN_FLAG_VF)
66
67 struct bnxt_ulp *ulp_tbl;
68 int l2_db_size; /* Doorbell BAR size in
69 * bytes mapped by L2
70 * driver.
71 */
72 int l2_db_size_nc; /* Doorbell BAR size in
73 * bytes mapped as non-
74 * cacheable.
75 */
76 int l2_db_offset; /* Doorbell offset in
77 * bytes within
78 * l2_db_size_nc.
79 */
80 u16 chip_num;
81 u16 hw_ring_stats_size;
82 u16 pf_port_id;
83 unsigned long en_state; /* Could be checked in
84 * RoCE driver suspend
85 * mode only. Will be
86 * updated in resume.
87 */
88 void __iomem *bar0;
89};
90
91static inline bool bnxt_ulp_registered(struct bnxt_en_dev *edev)
92{
93 if (edev && edev->ulp_tbl)
94 return true;
95 return false;
96}
97
98int bnxt_get_ulp_msix_num(struct bnxt *bp);
99int bnxt_get_ulp_msix_base(struct bnxt *bp);
100int bnxt_get_ulp_stat_ctxs(struct bnxt *bp);
101void bnxt_ulp_stop(struct bnxt *bp);
102void bnxt_ulp_start(struct bnxt *bp, int err);
103void bnxt_ulp_sriov_cfg(struct bnxt *bp, int num_vfs);
104void bnxt_ulp_irq_stop(struct bnxt *bp);
105void bnxt_ulp_irq_restart(struct bnxt *bp, int err);
106void bnxt_ulp_async_events(struct bnxt *bp, struct hwrm_async_event_cmpl *cmpl);
107void bnxt_rdma_aux_device_uninit(struct bnxt *bp);
108void bnxt_rdma_aux_device_init(struct bnxt *bp);
109int bnxt_register_dev(struct bnxt_en_dev *edev, struct bnxt_ulp_ops *ulp_ops,
110 void *handle);
111void bnxt_unregister_dev(struct bnxt_en_dev *edev);
112int bnxt_send_msg(struct bnxt_en_dev *edev, struct bnxt_fw_msg *fw_msg);
113int bnxt_register_async_events(struct bnxt_en_dev *edev,
114 unsigned long *events_bmap, u16 max_id);
115#endif
1/* Broadcom NetXtreme-C/E network driver.
2 *
3 * Copyright (c) 2016-2018 Broadcom Limited
4 *
5 * This program is free software; you can redistribute it and/or modify
6 * it under the terms of the GNU General Public License as published by
7 * the Free Software Foundation.
8 */
9
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 /* async_notifier() cannot sleep (in BH context) */
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 int l2_db_size; /* Doorbell BAR size in
71 * bytes mapped by L2
72 * driver.
73 */
74 int l2_db_size_nc; /* Doorbell BAR size in
75 * bytes mapped as non-
76 * cacheable.
77 */
78};
79
80struct bnxt_en_ops {
81 int (*bnxt_register_device)(struct bnxt_en_dev *, int,
82 struct bnxt_ulp_ops *, void *);
83 int (*bnxt_unregister_device)(struct bnxt_en_dev *, int);
84 int (*bnxt_request_msix)(struct bnxt_en_dev *, int,
85 struct bnxt_msix_entry *, int);
86 int (*bnxt_free_msix)(struct bnxt_en_dev *, int);
87 int (*bnxt_send_fw_msg)(struct bnxt_en_dev *, int,
88 struct bnxt_fw_msg *);
89 int (*bnxt_register_fw_async_events)(struct bnxt_en_dev *, int,
90 unsigned long *, u16);
91};
92
93static inline bool bnxt_ulp_registered(struct bnxt_en_dev *edev, int ulp_id)
94{
95 if (edev && rcu_access_pointer(edev->ulp_tbl[ulp_id].ulp_ops))
96 return true;
97 return false;
98}
99
100int bnxt_get_ulp_msix_num(struct bnxt *bp);
101int bnxt_get_ulp_msix_base(struct bnxt *bp);
102int bnxt_get_ulp_stat_ctxs(struct bnxt *bp);
103void bnxt_ulp_stop(struct bnxt *bp);
104void bnxt_ulp_start(struct bnxt *bp, int err);
105void bnxt_ulp_sriov_cfg(struct bnxt *bp, int num_vfs);
106void bnxt_ulp_shutdown(struct bnxt *bp);
107void bnxt_ulp_irq_stop(struct bnxt *bp);
108void bnxt_ulp_irq_restart(struct bnxt *bp, int err);
109void bnxt_ulp_async_events(struct bnxt *bp, struct hwrm_async_event_cmpl *cmpl);
110struct bnxt_en_dev *bnxt_ulp_probe(struct net_device *dev);
111
112#endif