ATA_SG_SETUP(9)                       libata Core Internals                       ATA_SG_SETUP(9)



NAME
       ata_sg_setup - DMA-map the scatter-gather table associated with a command.

SYNOPSIS
       int ata_sg_setup(struct ata_queued_cmd * qc);

ARGUMENTS
       qc
           Command with scatter-gather table to be mapped.

DESCRIPTION
       DMA-map the scatter-gather table associated with queued_cmd qc.

       LOCKING: spin_lock_irqsave(host lock)

RETURN
       Zero on success, negative on error.

AUTHOR
       Jeff Garzik
           Author.

COPYRIGHT
Kernel Hackers Manual 4.8.                 January 2017                           ATA_SG_SETUP(9)