sata_scr_read

Langue: en

Autres versions - même langue

Version: June 2009 (debian - 07/07/09)

Section: 9 (Appels noyau Linux)

Sommaire

NAME

sata_scr_read - read SCR register of the specified port

SYNOPSIS

int sata_scr_read(struct ata_link * link, int reg, u32 * val);

ARGUMENTS

link

ATA link to read SCR for

reg

SCR to read

val

Place to store read value

DESCRIPTION

Read SCR register reg of link into *val. This function is guaranteed to succeed if link is ap->link, the cable type of the port is SATA and the port implements ->scr_read.

LOCKING

None if link is ap->link. Kernel thread context otherwise.

RETURNS

0 on success, negative errno on failure.

AUTHOR

Jeff Garzik

Author.