| 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¶
| May 2024 | Kernel Hackers Manual 2.6. |