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112 lines
3.0 KiB
112 lines
3.0 KiB
/* Broadcom NetXtreme-C/E network driver. |
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* |
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* Copyright (c) 2016-2018 Broadcom Limited |
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* |
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* This program is free software; you can redistribute it and/or modify |
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* it under the terms of the GNU General Public License as published by |
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* the Free Software Foundation. |
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*/ |
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#ifndef BNXT_ULP_H |
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#define BNXT_ULP_H |
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#define BNXT_ROCE_ULP 0 |
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#define BNXT_OTHER_ULP 1 |
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#define BNXT_MAX_ULP 2 |
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#define BNXT_MIN_ROCE_CP_RINGS 2 |
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#define BNXT_MIN_ROCE_STAT_CTXS 1 |
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struct hwrm_async_event_cmpl; |
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struct bnxt; |
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struct bnxt_msix_entry { |
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u32 vector; |
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u32 ring_idx; |
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u32 db_offset; |
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}; |
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struct bnxt_ulp_ops { |
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/* async_notifier() cannot sleep (in BH context) */ |
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void (*ulp_async_notifier)(void *, struct hwrm_async_event_cmpl *); |
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void (*ulp_stop)(void *); |
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void (*ulp_start)(void *); |
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void (*ulp_sriov_config)(void *, int); |
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void (*ulp_shutdown)(void *); |
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void (*ulp_irq_stop)(void *); |
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void (*ulp_irq_restart)(void *, struct bnxt_msix_entry *); |
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}; |
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struct bnxt_fw_msg { |
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void *msg; |
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int msg_len; |
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void *resp; |
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int resp_max_len; |
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int timeout; |
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}; |
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struct bnxt_ulp { |
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void *handle; |
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struct bnxt_ulp_ops __rcu *ulp_ops; |
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unsigned long *async_events_bmap; |
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u16 max_async_event_id; |
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u16 msix_requested; |
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u16 msix_base; |
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atomic_t ref_count; |
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}; |
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struct bnxt_en_dev { |
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struct net_device *net; |
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struct pci_dev *pdev; |
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u32 flags; |
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#define BNXT_EN_FLAG_ROCEV1_CAP 0x1 |
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#define BNXT_EN_FLAG_ROCEV2_CAP 0x2 |
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#define BNXT_EN_FLAG_ROCE_CAP (BNXT_EN_FLAG_ROCEV1_CAP | \ |
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BNXT_EN_FLAG_ROCEV2_CAP) |
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#define BNXT_EN_FLAG_MSIX_REQUESTED 0x4 |
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#define BNXT_EN_FLAG_ULP_STOPPED 0x8 |
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const struct bnxt_en_ops *en_ops; |
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struct bnxt_ulp ulp_tbl[BNXT_MAX_ULP]; |
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int l2_db_size; /* Doorbell BAR size in |
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* bytes mapped by L2 |
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* driver. |
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*/ |
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int l2_db_size_nc; /* Doorbell BAR size in |
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* bytes mapped as non- |
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* cacheable. |
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*/ |
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}; |
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struct bnxt_en_ops { |
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int (*bnxt_register_device)(struct bnxt_en_dev *, int, |
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struct bnxt_ulp_ops *, void *); |
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int (*bnxt_unregister_device)(struct bnxt_en_dev *, int); |
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int (*bnxt_request_msix)(struct bnxt_en_dev *, int, |
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struct bnxt_msix_entry *, int); |
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int (*bnxt_free_msix)(struct bnxt_en_dev *, int); |
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int (*bnxt_send_fw_msg)(struct bnxt_en_dev *, int, |
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struct bnxt_fw_msg *); |
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int (*bnxt_register_fw_async_events)(struct bnxt_en_dev *, int, |
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unsigned long *, u16); |
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}; |
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static inline bool bnxt_ulp_registered(struct bnxt_en_dev *edev, int ulp_id) |
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{ |
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if (edev && rcu_access_pointer(edev->ulp_tbl[ulp_id].ulp_ops)) |
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return true; |
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return false; |
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} |
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int bnxt_get_ulp_msix_num(struct bnxt *bp); |
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int bnxt_get_ulp_msix_base(struct bnxt *bp); |
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int bnxt_get_ulp_stat_ctxs(struct bnxt *bp); |
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void bnxt_ulp_stop(struct bnxt *bp); |
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void bnxt_ulp_start(struct bnxt *bp, int err); |
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void bnxt_ulp_sriov_cfg(struct bnxt *bp, int num_vfs); |
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void bnxt_ulp_shutdown(struct bnxt *bp); |
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void bnxt_ulp_irq_stop(struct bnxt *bp); |
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void bnxt_ulp_irq_restart(struct bnxt *bp, int err); |
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void bnxt_ulp_async_events(struct bnxt *bp, struct hwrm_async_event_cmpl *cmpl); |
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struct bnxt_en_dev *bnxt_ulp_probe(struct net_device *dev); |
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#endif
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