| ATA_SCSI_QC_NEW(9) | libata SCSI translation/emulat | 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.
COPYRIGHT¶
| April 2023 | Kernel Hackers Manual 2.6. |