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