ata_scsi_find_dev(9) centos man page | unix.com

ATA_SCSI_FIND_DEV(9)					  libata SCSI translation/emulat				      ATA_SCSI_FIND_DEV(9)

NAME
       ata_scsi_find_dev - lookup ata_device from scsi_cmnd

SYNOPSIS
       struct ata_device * ata_scsi_find_dev(struct ata_port * ap, const struct scsi_device * scsidev);

ARGUMENTS
       ap
	   ATA port to which the device is attached

       scsidev
	   SCSI device from which we derive the ATA device

DESCRIPTION
       Given various information provided in struct scsi_cmnd, map that onto an ATA bus, and using that mapping determine which ata_device is
       associated with the SCSI command to be sent.

LOCKING
       spin_lock_irqsave(host lock)

RETURNS
       Associated ATA device, or NULL if not found.

AUTHOR
       Jeff Garzik
	   Author.

COPYRIGHT
Kernel Hackers Manual 3.10					     June 2014						      ATA_SCSI_FIND_DEV(9)