This version of libbdev support asynchronous communication, recovery after driver restarts, and retrying of failed transfer operations.
		
			
				
	
	
		
			18 lines
		
	
	
		
			614 B
		
	
	
	
		
			C
		
	
	
	
	
	
			
		
		
	
	
			18 lines
		
	
	
		
			614 B
		
	
	
	
		
			C
		
	
	
	
	
	
#ifndef _BDEV_CONST_H
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#define _BDEV_CONST_H
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#define NR_CALLS 	256	/* maximum number of concurrent async calls */
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#define NO_ID		(-1)	/* ID for synchronous requests */
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#define DS_NR_TRIES	100	/* number of times to check endpoint in DS */
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#define DS_DELAY	50000	/* delay time (us) between DS checks */
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#define DRIVER_TRIES	10	/* after so many tries, give up on a driver */
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#define RECOVER_TRIES	2	/* tolerated nr of restarts during recovery */
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#define TRANSFER_TRIES	5	/* number of times to try transfers on EIO */
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#define NR_OPEN_DEVS	4	/* maximum different opened minor devices */
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#endif /* _BDEV_CONST_H */
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