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Forum Topic - Direct I/O SGDMA in read/write() in a PCI resmgr?: (1 Item)

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Leon Woestenberg(deleted)

04/30/2011 3:52 PM

post85324

Direct I/O SGDMA in read/write() in a PCI resmgr?

When an application calls read()/write() of a PCI device driver / resource manager, can the resource manager use the DMA
 controller of a PCI device to perform direct DMA to the user space buffer provided to read/write()?

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