Query: rio_dma_prep_slave_sg
OS: centos
Section: 9
Links: centos man pages all man pages
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RIO_DMA_PREP_SLAVE_S(9) RapidIO driver interface RIO_DMA_PREP_SLAVE_S(9)NAMErio_dma_prep_slave_sg - RapidIO specific wrapper for device_prep_slave_sg callback defined by DMAENGINE.SYNOPSISstruct dma_async_tx_descriptor * rio_dma_prep_slave_sg(struct rio_dev * rdev, struct dma_chan * dchan, struct rio_dma_data * data, enum dma_transfer_direction direction, unsigned long flags);ARGUMENTSrdev RIO device control structure dchan DMA channel to configure data RIO specific data descriptor direction DMA data transfer direction (TO or FROM the device) flags dmaengine defined flagsDESCRIPTIONInitializes RapidIO capable DMA channel for the specified data transfer. Uses DMA channel private extension to pass information related to remote target RIO device. Returns pointer to DMA transaction descriptor or NULL if failed.AUTHORMatt Porter <mporter@kernel.crashing.org>, <mporter@mvista.com> Author.COPYRIGHTKernel Hackers Manual 3.10 June 2014 RIO_DMA_PREP_SLAVE_S(9)