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#define IPEDMA_MAX_TLP_SIZE 256 /**< Defines maximum TLP in bytes supported by device */
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//#define IPEDMA_TLP_SIZE 128 /**< If set, enforces the specified TLP size */
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#define IPEDMA_PAGE_SIZE 4096
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#define IPEDMA_DMA_PAGES 1024 /**< number of DMA pages in the ring buffer to allocate */
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#define IPEDMA_DMA_PROGRESS_THRESHOLD 1 /**< how many pages the DMA engine should fill before reporting progress */