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(I'm so sorry!) Linux kernel mirror (for testing) git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
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C
123456789101112131415161718192021222324252627282930313233343536373839404142434445464748495051525354555657585960616263646566676869707172737475767778798081828384858687888990919293949596979899100101102103104105106107108109110111112113114115116117118119120121122123124125126127128129130131132133134135136137138139140141142143144145/* 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
#include <linux/auxiliary_bus.h>
#define BNXT_MIN_ROCE_CP_RINGS 2#define BNXT_MIN_ROCE_STAT_CTXS 1
#define BNXT_MAX_ROCE_MSIX_VF 2#define BNXT_MAX_ROCE_MSIX_NPAR_PF 5#define BNXT_MAX_ROCE_MSIX 64
struct hwrm_async_event_cmpl;struct bnxt;
enum bnxt_auxdev_type { BNXT_AUXDEV_RDMA = 0, BNXT_AUXDEV_FWCTL, __BNXT_AUXDEV_MAX};
struct bnxt_aux_priv { struct auxiliary_device aux_dev; struct bnxt_en_dev *edev; int id;};
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_irq_stop)(void *, bool); 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;};
struct bnxt_en_dev { struct net_device *net; struct pci_dev *pdev; struct bnxt_msix_entry msix_entries[BNXT_MAX_ROCE_MSIX]; 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_ULP_STOPPED 0x8 #define BNXT_EN_FLAG_VF 0x10#define BNXT_EN_VF(edev) ((edev)->flags & BNXT_EN_FLAG_VF) #define BNXT_EN_FLAG_ROCE_VF_RES_MGMT 0x20 #define BNXT_EN_FLAG_SW_RES_LMT 0x40#define BNXT_EN_SW_RES_LMT(edev) ((edev)->flags & BNXT_EN_FLAG_SW_RES_LMT)
struct bnxt_ulp *ulp_tbl; int l2_db_size; /* Doorbell BAR size in * bytes mapped by L2 * driver. */ int l2_db_size_nc; /* Doorbell BAR size in * bytes mapped as non- * cacheable. */ int l2_db_offset; /* Doorbell offset in * bytes within * l2_db_size_nc. */ u16 chip_num; u16 hw_ring_stats_size; u16 pf_port_id; unsigned long en_state; /* Could be checked in * RoCE driver suspend * mode only. Will be * updated in resume. */ void __iomem *bar0;
u16 ulp_num_msix_vec; u16 ulp_num_ctxs;
/* serialize ulp operations */ struct mutex en_dev_lock;};
static inline bool bnxt_ulp_registered(struct bnxt_en_dev *edev){ if (edev && rcu_access_pointer(edev->ulp_tbl->ulp_ops)) return true; return false;}
int bnxt_get_ulp_msix_num(struct bnxt *bp);int bnxt_get_ulp_msix_num_in_use(struct bnxt *bp);void bnxt_set_ulp_msix_num(struct bnxt *bp, int num);int bnxt_get_ulp_stat_ctxs(struct bnxt *bp);void bnxt_set_ulp_stat_ctxs(struct bnxt *bp, int num_ctxs);int bnxt_get_ulp_stat_ctxs_in_use(struct bnxt *bp);void bnxt_set_dflt_ulp_stat_ctxs(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_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);void bnxt_aux_devices_uninit(struct bnxt *bp);void bnxt_aux_devices_del(struct bnxt *bp);void bnxt_aux_devices_add(struct bnxt *bp);void bnxt_aux_devices_init(struct bnxt *bp);int bnxt_register_dev(struct bnxt_en_dev *edev, struct bnxt_ulp_ops *ulp_ops, void *handle);void bnxt_unregister_dev(struct bnxt_en_dev *edev);int bnxt_send_msg(struct bnxt_en_dev *edev, struct bnxt_fw_msg *fw_msg);void bnxt_register_async_events(struct bnxt_en_dev *edev, unsigned long *events_bmap, u16 max_id);int bnxt_auxdev_id_alloc(struct bnxt *bp);void bnxt_auxdev_id_free(struct bnxt *bp, int id);#endif