1 /* Broadcom NetXtreme-C/E network driver. 2 * 3 * Copyright (c) 2017 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_DEVLINK_H 11 #define BNXT_DEVLINK_H 12 13 /* Struct to hold housekeeping info needed by devlink interface */ 14 struct bnxt_dl { 15 struct bnxt *bp; /* back ptr to the controlling dev */ 16 }; 17 18 static inline struct bnxt *bnxt_get_bp_from_dl(struct devlink *dl) 19 { 20 return ((struct bnxt_dl *)devlink_priv(dl))->bp; 21 } 22 23 /* To clear devlink pointer from bp, pass NULL dl */ 24 static inline void bnxt_link_bp_to_dl(struct bnxt *bp, struct devlink *dl) 25 { 26 bp->dl = dl; 27 28 /* add a back pointer in dl to bp */ 29 if (dl) { 30 struct bnxt_dl *bp_dl = devlink_priv(dl); 31 32 bp_dl->bp = bp; 33 } 34 } 35 36 int bnxt_dl_register(struct bnxt *bp); 37 void bnxt_dl_unregister(struct bnxt *bp); 38 39 #endif /* BNXT_DEVLINK_H */ 40