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ata_dev_read_id
Langue: en
Version: June 2009 (debian - 07/07/09)
Section: 9 (Appels noyau Linux)
NAME
ata_dev_read_id - Read ID data from the specified deviceSYNOPSIS
- 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
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