xyou
f1a2a110d7
Add the current OS source tree, build scripts, system image layout, and development notes covering DMA page allocation, e1000 bring-up, net API dispatch, and DHCP work in progress.
21 lines
448 B
C
21 lines
448 B
C
#ifndef UTSM_DMA_H
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#define UTSM_DMA_H
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#include <utsm/types.h>
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typedef struct dkm_dma_buffer {
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void *virt;
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u64 phys;
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u64 size;
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} dkm_dma_buffer;
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typedef struct dkm_dma_api {
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int (*alloc_pages)(u64 page_count, u64 alignment, u64 max_phys, dkm_dma_buffer *out);
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} dkm_dma_api;
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void dma_init(void);
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int dma_alloc_pages(u64 page_count, u64 alignment, u64 max_phys, dkm_dma_buffer *out);
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const dkm_dma_api *dma_get_api(void);
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#endif
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