Dma-map the scatter-gather table associated with a command.
int ata_sg_setup(struct ata_queued_cmd * qc);
qc
Command with scatter-gather table to be mapped.
DMA-map the scatter-gather table associated with queued_cmd qc.
spin_lock_irqsave(host lock)
Zero on success, negative on error.
Jeff Garzik
Author.