ATA_DEV_READ_ID(9) libata Core Internals ATA_DEV_READ_ID(9)
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.
COPYRIGHT
Kernel Hackers Manual 2.6. July 2010 ATA_DEV_READ_ID(9)
