37 lines
		
	
	
	
		
			1.2 KiB
			
		
	
	
	
		
			C
		
	
	
	
	
	
		
		
			
		
	
	
			37 lines
		
	
	
	
		
			1.2 KiB
			
		
	
	
	
		
			C
		
	
	
	
	
	
|   | /*
 | ||
|  |  * This file is separate from sdb.h, because I want that one to remain | ||
|  |  * unchanged (as far as possible) from the official sdb distribution | ||
|  |  * | ||
|  |  * This file and associated functionality are a playground for me to | ||
|  |  * understand stuff which will later be implemented in more generic places. | ||
|  |  */ | ||
|  | #include <linux/sdb.h>
 | ||
|  | 
 | ||
|  | /* This is the union of all currently defined types */ | ||
|  | union sdb_record { | ||
|  | 	struct sdb_interconnect ic; | ||
|  | 	struct sdb_device dev; | ||
|  | 	struct sdb_bridge bridge; | ||
|  | 	struct sdb_integration integr; | ||
|  | 	struct sdb_empty empty; | ||
|  | }; | ||
|  | 
 | ||
|  | struct fmc_device; | ||
|  | 
 | ||
|  | /* Every sdb table is turned into this structure */ | ||
|  | struct sdb_array { | ||
|  | 	int len; | ||
|  | 	int level; | ||
|  | 	unsigned long baseaddr; | ||
|  | 	struct fmc_device *fmc;		/* the device that hosts it */ | ||
|  | 	struct sdb_array *parent;	/* NULL at root */ | ||
|  | 	union sdb_record *record;	/* copies of the struct */ | ||
|  | 	struct sdb_array **subtree;	/* only valid for bridge items */ | ||
|  | }; | ||
|  | 
 | ||
|  | extern int fmc_scan_sdb_tree(struct fmc_device *fmc, unsigned long address); | ||
|  | extern void fmc_show_sdb_tree(const struct fmc_device *fmc); | ||
|  | extern signed long fmc_find_sdb_device(struct sdb_array *tree, uint64_t vendor, | ||
|  | 				       uint32_t device, unsigned long *sz); | ||
|  | extern int fmc_free_sdb_tree(struct fmc_device *fmc); |