ATA_SG_SETUP

Section: libata Core Internals (9)
Updated: February 2011
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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)  

RETURNS

Zero on success, negative on error.  

AUTHOR

Jeff Garzik

Author.
 

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