LXR linux/include/linux/fmc-sdb.h

   1/* SPDX-License-Identifier: GPL-2.0 */
   2/*
   3 * This file is separate from sdb.h, because I want that one to remain
   4 * unchanged (as far as possible) from the official sdb distribution
   5 *
   6 * This file and associated functionality are a playground for me to
   7 * understand stuff which will later be implemented in more generic places.
   8 */
   9#include <linux/sdb.h>
  10
  11/* This is the union of all currently defined types */
  12union sdb_record {
  13        struct sdb_interconnect ic;
  14        struct sdb_device dev;
  15        struct sdb_bridge bridge;
  16        struct sdb_integration integr;
  17        struct sdb_empty empty;
  18        struct sdb_synthesis synthesis;
  19        struct sdb_repo_url repo_url;
  20};
  21
  22struct fmc_device;
  23
  24/* Every sdb table is turned into this structure */
  25struct sdb_array {
  26        int len;
  27        int level;
  28        unsigned long baseaddr;
  29        struct fmc_device *fmc;         /* the device that hosts it */
  30        struct sdb_array *parent;       /* NULL at root */
  31        union sdb_record *record;       /* copies of the struct */
  32        struct sdb_array **subtree;     /* only valid for bridge items */
  33};
  34
  35extern int fmc_scan_sdb_tree(struct fmc_device *fmc, unsigned long address);
  36extern void fmc_show_sdb_tree(const struct fmc_device *fmc);
  37extern signed long fmc_find_sdb_device(struct sdb_array *tree, uint64_t vendor,
  38                                       uint32_t device, unsigned long *sz);
  39extern int fmc_free_sdb_tree(struct fmc_device *fmc);
  40