103 lines
2.7 KiB
C
103 lines
2.7 KiB
C
/* Broadcom NetXtreme-C/E network driver.
|
|
*
|
|
* Copyright (c) 2016-2018 Broadcom Limited
|
|
*
|
|
* This program is free software; you can redistribute it and/or modify
|
|
* it under the terms of the GNU General Public License as published by
|
|
* the Free Software Foundation.
|
|
*/
|
|
|
|
#ifndef BNXT_ULP_H
|
|
#define BNXT_ULP_H
|
|
|
|
#define BNXT_ROCE_ULP 0
|
|
#define BNXT_OTHER_ULP 1
|
|
#define BNXT_MAX_ULP 2
|
|
|
|
#define BNXT_MIN_ROCE_CP_RINGS 2
|
|
#define BNXT_MIN_ROCE_STAT_CTXS 1
|
|
|
|
struct hwrm_async_event_cmpl;
|
|
struct bnxt;
|
|
|
|
struct bnxt_msix_entry {
|
|
u32 vector;
|
|
u32 ring_idx;
|
|
u32 db_offset;
|
|
};
|
|
|
|
struct bnxt_ulp_ops {
|
|
/* async_notifier() cannot sleep (in BH context) */
|
|
void (*ulp_async_notifier)(void *, struct hwrm_async_event_cmpl *);
|
|
void (*ulp_stop)(void *);
|
|
void (*ulp_start)(void *);
|
|
void (*ulp_sriov_config)(void *, int);
|
|
void (*ulp_shutdown)(void *);
|
|
void (*ulp_irq_stop)(void *);
|
|
void (*ulp_irq_restart)(void *, struct bnxt_msix_entry *);
|
|
};
|
|
|
|
struct bnxt_fw_msg {
|
|
void *msg;
|
|
int msg_len;
|
|
void *resp;
|
|
int resp_max_len;
|
|
int timeout;
|
|
};
|
|
|
|
struct bnxt_ulp {
|
|
void *handle;
|
|
struct bnxt_ulp_ops __rcu *ulp_ops;
|
|
unsigned long *async_events_bmap;
|
|
u16 max_async_event_id;
|
|
u16 msix_requested;
|
|
u16 msix_base;
|
|
atomic_t ref_count;
|
|
};
|
|
|
|
struct bnxt_en_dev {
|
|
struct net_device *net;
|
|
struct pci_dev *pdev;
|
|
u32 flags;
|
|
#define BNXT_EN_FLAG_ROCEV1_CAP 0x1
|
|
#define BNXT_EN_FLAG_ROCEV2_CAP 0x2
|
|
#define BNXT_EN_FLAG_ROCE_CAP (BNXT_EN_FLAG_ROCEV1_CAP | \
|
|
BNXT_EN_FLAG_ROCEV2_CAP)
|
|
#define BNXT_EN_FLAG_MSIX_REQUESTED 0x4
|
|
const struct bnxt_en_ops *en_ops;
|
|
struct bnxt_ulp ulp_tbl[BNXT_MAX_ULP];
|
|
};
|
|
|
|
struct bnxt_en_ops {
|
|
int (*bnxt_register_device)(struct bnxt_en_dev *, int,
|
|
struct bnxt_ulp_ops *, void *);
|
|
int (*bnxt_unregister_device)(struct bnxt_en_dev *, int);
|
|
int (*bnxt_request_msix)(struct bnxt_en_dev *, int,
|
|
struct bnxt_msix_entry *, int);
|
|
int (*bnxt_free_msix)(struct bnxt_en_dev *, int);
|
|
int (*bnxt_send_fw_msg)(struct bnxt_en_dev *, int,
|
|
struct bnxt_fw_msg *);
|
|
int (*bnxt_register_fw_async_events)(struct bnxt_en_dev *, int,
|
|
unsigned long *, u16);
|
|
};
|
|
|
|
static inline bool bnxt_ulp_registered(struct bnxt_en_dev *edev, int ulp_id)
|
|
{
|
|
if (edev && rcu_access_pointer(edev->ulp_tbl[ulp_id].ulp_ops))
|
|
return true;
|
|
return false;
|
|
}
|
|
|
|
int bnxt_get_ulp_msix_num(struct bnxt *bp);
|
|
int bnxt_get_ulp_msix_base(struct bnxt *bp);
|
|
void bnxt_ulp_stop(struct bnxt *bp);
|
|
void bnxt_ulp_start(struct bnxt *bp);
|
|
void bnxt_ulp_sriov_cfg(struct bnxt *bp, int num_vfs);
|
|
void bnxt_ulp_shutdown(struct bnxt *bp);
|
|
void bnxt_ulp_irq_stop(struct bnxt *bp);
|
|
void bnxt_ulp_irq_restart(struct bnxt *bp, int err);
|
|
void bnxt_ulp_async_events(struct bnxt *bp, struct hwrm_async_event_cmpl *cmpl);
|
|
struct bnxt_en_dev *bnxt_ulp_probe(struct net_device *dev);
|
|
|
|
#endif
|