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atapi_check_dma
Langue: en
Version: June 2009 (debian - 07/07/09)
Section: 9 (Appels noyau Linux)
NAME
atapi_check_dma - Check whether ATAPI DMA can be supportedSYNOPSIS
- int atapi_check_dma(struct ata_queued_cmd * qc);
ARGUMENTS
qc
- Metadata associated with taskfile to check
DESCRIPTION
Allow low-level driver to filter ATA PACKET commands, returning a status indicating whether or not it is OK to use DMA for the supplied PACKET command.
LOCKING
spin_lock_irqsave(host lock)
RETURNS
0 when ATAPI DMA can be used nonzero otherwise
AUTHOR
Jeff Garzik
- Author.
COPYRIGHT
Contenus ©2006-2024 Benjamin Poulain
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