sata_link_hardreset man page on Scientific

sata_link_hardreset man page on Scientific

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SATA_LINK_HARDRESET(9)		libata Library		SATA_LINK_HARDRESET(9)

NAME
       sata_link_hardreset - reset link via SATA phy reset

SYNOPSIS
       int sata_link_hardreset(struct ata_link * link,
			       const unsigned long * timing,
			       unsigned long deadline, bool * online,
			       int (*check_ready) (struct ata_link *));

ARGUMENTS
       link
	   link to reset

       timing
	   timing parameters { interval, duratinon, timeout } in msec

       deadline
	   deadline jiffies for the operation

       online
	   optional out parameter indicating link onlineness

       check_ready
	   optional callback to check link readiness

DESCRIPTION
       SATA phy-reset link using DET bits of SControl register. After
       hardreset, link readiness is waited upon using ata_wait_ready if
       check_ready is specified. LLDs are allowed to not specify check_ready
       and wait itself after this function returns. Device classification is
       LLD´s responsibility.

       *online is set to one iff reset succeeded and link is online after
       reset.

LOCKING
       Kernel thread context (may sleep)

RETURNS
       0 on success, -errno otherwise.

AUTHOR
       Jeff Garzik
	   Author.

COPYRIGHT
Kernel Hackers Manual 2.6.	 November 2013		SATA_LINK_HARDRESET(9)

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