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Direct I/O SGDMA in read/write() in a PCI resmgr?
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04/30/2011 3:52 PM
post85324
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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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