| 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¶
| May 2024 | Kernel Hackers Manual 2.6. |