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)

Return

Associated ATA device, or NULL if not found.