ATA_QC_ISSUE(9) libata Core Internals ATA_QC_ISSUE(9)

NAME ata_qc_issue - issue taskfile to device

SYNOPSIS void 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 lock)

AUTHOR Jeff Garzik Author.

COPYRIGHT Kernel Hackers Manual 2.6. January 2013 ATA_QC_ISSUE(9)