ata_scsi_qc_new(9)
NAME
ata_scsi_qc_new - acquire new ata_queued_cmd reference
SYNOPSIS
struct ata_queued_cmd * ata_scsi_qc_new(struct ata_device * dev,
struct scsi_cmnd * cmd,
void (*done) (struct scsi_cmnd *));
ARGUMENTS
- dev
- ATA device to which the new command is attached
- cmd
- SCSI command that originated this ATA command
- done
- SCSI command completion function
DESCRIPTION
Obtain a reference to an unused ata_queued_cmd structure, which is the
basic libata structure representing a single ATA command sent to the
hardware.
If a command was available, fill in the SCSI-specific portions of the
structure with information on the current command.
LOCKING
spin_lock_irqsave(host lock)
RETURNS
Command allocated, or NULL if none available.
AUTHOR
- Jeff Garzik
- Author.