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.