| Alessandro Rubini | e34fae7 | 2013-06-12 09:13:36 +0200 | [diff] [blame] | 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 | }; |
| 18 | |
| 19 | struct fmc_device; |
| 20 | |
| 21 | /* Every sdb table is turned into this structure */ |
| 22 | struct sdb_array { |
| 23 | int len; |
| 24 | int level; |
| 25 | unsigned long baseaddr; |
| 26 | struct fmc_device *fmc; /* the device that hosts it */ |
| 27 | struct sdb_array *parent; /* NULL at root */ |
| 28 | union sdb_record *record; /* copies of the struct */ |
| 29 | struct sdb_array **subtree; /* only valid for bridge items */ |
| 30 | }; |
| 31 | |
| 32 | extern int fmc_scan_sdb_tree(struct fmc_device *fmc, unsigned long address); |
| 33 | extern void fmc_show_sdb_tree(const struct fmc_device *fmc); |
| 34 | extern signed long fmc_find_sdb_device(struct sdb_array *tree, uint64_t vendor, |
| 35 | uint32_t device, unsigned long *sz); |
| 36 | extern int fmc_free_sdb_tree(struct fmc_device *fmc); |