From 2e7a7a3534bcf591c0d6c65105b2d845f293112f Mon Sep 17 00:00:00 2001 From: root Date: Mon, 4 Jul 2011 16:21:23 +0200 Subject: North West Logick DMA implementation --- dma.h | 18 ++++++++++++++++++ 1 file changed, 18 insertions(+) create mode 100644 dma.h (limited to 'dma.h') diff --git a/dma.h b/dma.h new file mode 100644 index 0000000..8025089 --- /dev/null +++ b/dma.h @@ -0,0 +1,18 @@ +#ifndef _PCILIB_DMA_H +#define _PCILIB_DMA_H + +#define PCILIB_DMA_BUFFER_INVALID ((size_t)-1) + +struct pcilib_dma_api_description_s { + pcilib_dma_context_t *(*init)(pcilib_t *ctx); + void (*free)(pcilib_dma_context_t *ctx); + + size_t (*push)(pcilib_dma_context_t *ctx, pcilib_dma_t dma, uintptr_t addr, size_t size, pcilib_dma_flags_t flags, size_t timeout, void *buf); + size_t (*stream)(pcilib_dma_context_t *ctx, pcilib_dma_t dma, uintptr_t addr, size_t size, pcilib_dma_flags_t flags, size_t timeout, pcilib_dma_callback_t cb, void *cbattr); + + double (*benchmark)(pcilib_dma_context_t *ctx, pcilib_dma_addr_t dma, uintptr_t addr, size_t size, size_t iterations, pcilib_dma_direction_t direction); +}; + +int pcilib_set_dma_engine_description(pcilib_t *ctx, pcilib_dma_t engine, pcilib_dma_engine_description_t *desc); + +#endif /* _PCILIB_DMA_H */ -- cgit v1.2.3