Query: atapi_check_dma
OS: suse
Section: 9
Format: Original Unix Latex Style Formatted with HTML and a Horizontal Scroll Bar
ATAPI_CHECK_DMA(9) libata Core Internals ATAPI_CHECK_DMA(9)NAMEatapi_check_dma - Check whether ATAPI DMA can be supportedSYNOPSISint atapi_check_dma(struct ata_queued_cmd * qc);ARGUMENTSqc Metadata associated with taskfile to checkDESCRIPTIONAllow 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.LOCKINGspin_lock_irqsave(host lock)RETURNS0 when ATAPI DMA can be used nonzero otherwiseAUTHORJeff Garzik Author.COPYRIGHTKernel Hackers Manual 2.6. July 2010 ATAPI_CHECK_DMA(9)
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