ata_dev_read_id

Langue: en

Autres versions - même langue

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

Section: 9 (Appels noyau Linux)

Sommaire

NAME

ata_dev_read_id - Read ID data from the specified device

SYNOPSIS

int ata_dev_read_id(struct ata_device * dev, unsigned int * p_class, unsigned int flags, u16 * id);

ARGUMENTS

dev

target device

p_class

pointer to class of the target device (may be changed)

flags

ATA_READID_* flags

id

buffer to read IDENTIFY data into

DESCRIPTION

Read ID data from the specified device. ATA_CMD_ID_ATA is performed on ATA devices and ATA_CMD_ID_ATAPI on ATAPI devices. This function also issues ATA_CMD_INIT_DEV_PARAMS for pre-ATA4 drives.

FIXME

ATA_CMD_ID_ATA is optional for early drives and right now we abort if we hit that case.

LOCKING

Kernel thread context (may sleep)

RETURNS

0 on success, -errno otherwise.

AUTHOR

Jeff Garzik

Author.