other versions
| 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¶
struct ata_port * ap
ATA port to which the device is attached
const struct scsi_device * 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.
AUTHOR¶
Jeff Garzik
Author.
COPYRIGHT¶
| July 2017 | Kernel Hackers Manual 4.12 |