dma.hpp

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// SPDX-License-Identifier: GPL-3.0-or-later
 
#pragma once
 
#include <mos/types.hpp>

pfn_t dmabuf_allocate(size_t n_pages, ptr_t *pages);
 
bool dmabuf_free(ptr_t vaddr, ptr_t paddr);
 
pfn_t dmabuf_share(void *buffer, size_t size);
 
bool dmabuf_unshare(ptr_t phys, size_t size, void *virt);