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.