This version of libbdev support asynchronous communication, recovery after driver restarts, and retrying of failed transfer operations.
17 lines
614 B
C
17 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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