Intel(R) IQ80315 I/O Processor DMA and XOR Library APIs and ...
Intel(R) IQ80315 I/O Processor DMA and XOR Library APIs and ...
Intel(R) IQ80315 I/O Processor DMA and XOR Library APIs and ...
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<strong>Intel</strong> ® GW80314 I/O <strong>Processor</strong> <strong>DMA</strong> <strong>and</strong> <strong>XOR</strong> <strong>Library</strong><strong>Library</strong> Flow ChartsBuffer Manager(5) Allocate buffers <strong>and</strong> initialize XorDma_80314_Typelib_init()StartFor four channels:1. Set free stacks length <strong>and</strong> limit.2. For Free Stacks , load pointers to Xor_Frame_Typebuffers which can be used for either <strong>DMA</strong> or <strong>XOR</strong>transactions.3. Memory buffer passed for descriptor buffers canlocated in SDRAM or SRAM.Test that allbuffers fall withinupper <strong>and</strong> lowermemory maprangesEach of (4)channels:Initialize circularqueues as emptyExecute one <strong>DMA</strong>descriptor for each channel<strong>and</strong> post address to globalvariable to enable followonappendsEnd34 <strong>APIs</strong> <strong>and</strong> Testbench White Paper