layoutx/linux/dma-heap.h

#ifndef _DMA_HEAP_H
#define _DMA_HEAP_H

#include <linux/ioctl.h>
#include <linux/types.h>

struct dma_heap_allocation_data {
    __u64 len;
    __u32 fd;
    __u32 fd_flags;
    __u64 heap_flags;
};

#define DMA_HEAP_IOC_MAGIC 'H'
#define DMA_HEAP_IOCTL_ALLOC _IOWR(DMA_HEAP_IOC_MAGIC, 0x0, struct dma_heap_allocation_data)

#endif