ATA_SG_SETUP - Online Linux Manual PageSection : 9
Updated : June 2018
Source : Kernel Hackers Manual 2​.6​.
Note : libata Core Internals

NAMEata_sg_setup − DMA−map the scatter−gather table associated with a command​.

SYNOPSISint ata_sg_setup(struct ata_queued_cmd * qc);

ARGUMENTSqc Command with scatter−gather table to be mapped​.

DESCRIPTIONDMA−map the scatter−gather table associated with queued_cmd qc​.

LOCKINGspin_lock_irqsave(host lock)

RETURNSZero on success, negative on error​.

AUTHORJeff Garzik Author.

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