Name
ata_qc_issue —
issue taskfile to device
Synopsis
int ata_qc_issue (struct ata_queued_cmd * qc);
Arguments
qc
command to issue to device
Description
Prepare an ATA command to submission to device.
This includes mapping the data into a DMA-able
area, filling in the S/G table, and finally
writing the taskfile to hardware, starting the command.
LOCKING
spin_lock_irqsave(host_set lock)
RETURNS
Zero on success, negative on error.