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. July 2010 SATA_LINK_HARDRESET(9)
