sata_link_hardreset(9)

sata_link_hardreset9

Reset link via sata phy reset

Usage

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, duration, timeout } in msec

deadline

deadline jiffies for the operation

online

optional out parameter indicating link onlineness

check_ready

optional callback to check link readiness

Overview

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)

Return

0 on success, -errno otherwise.

Releases

6 releases since Debian 4.0 (Etch); the text changed 5 times.

  1. 4.0
  2. 5.0
  3. 6.0
  4. 7
  5. 8
  6. 9

Author

Jeff Garzik

Author.

From linux-manual-4.9 4.9.228-1 in Debian 9 (Stretch). Parsed by carta from the page's man source.