| ATA_SCSI_QUEUECMD(9) | libata SCSI translation/emulat | ATA_SCSI_QUEUECMD(9) |
NAME¶
ata_scsi_queuecmd - Issue SCSI cdb to libata-managed device
SYNOPSIS¶
int ata_scsi_queuecmd(struct scsi_cmnd * cmd, void (*done) (struct scsi_cmnd *));
ARGUMENTS¶
cmd
SCSI command to be sent
done
Completion function, called when command is
complete
DESCRIPTION¶
In some cases, this function translates SCSI commands into ATA taskfiles, and queues the taskfiles to be sent to hardware. In other cases, this function simulates a SCSI device by evaluating and responding to certain SCSI commands. This creates the overall effect of ATA and ATAPI devices appearing as SCSI devices.
LOCKING¶
Releases scsi-layer-held lock, and obtains host lock.
RETURNS¶
Return value from __ata_scsi_queuecmd if cmd can be queued, 0 otherwise.
AUTHOR¶
Jeff Garzik
Author.
COPYRIGHT¶
| April 2023 | Kernel Hackers Manual 2.6. |