49 lines
1.6 KiB
C
49 lines
1.6 KiB
C
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/****************************************************************************
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****************************************************************************
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***
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*** This header was automatically generated from a Linux kernel header
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*** of the same name, to make information necessary for userspace to
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*** call into the kernel available to libc. It contains only constants,
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*** structures, and macros generated from the original header, and thus,
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*** contains no copyrightable information.
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***
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****************************************************************************
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****************************************************************************/
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#ifndef _ASM_LINUX_DMA_MAPPING_H
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#define _ASM_LINUX_DMA_MAPPING_H
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#include <linux/device.h>
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#include <linux/err.h>
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enum dma_data_direction {
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DMA_BIDIRECTIONAL = 0,
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DMA_TO_DEVICE = 1,
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DMA_FROM_DEVICE = 2,
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DMA_NONE = 3,
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};
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#define DMA_64BIT_MASK 0xffffffffffffffffULL
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#define DMA_48BIT_MASK 0x0000ffffffffffffULL
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#define DMA_40BIT_MASK 0x000000ffffffffffULL
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#define DMA_39BIT_MASK 0x0000007fffffffffULL
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#define DMA_32BIT_MASK 0x00000000ffffffffULL
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#define DMA_31BIT_MASK 0x000000007fffffffULL
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#define DMA_30BIT_MASK 0x000000003fffffffULL
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#define DMA_29BIT_MASK 0x000000001fffffffULL
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#define DMA_28BIT_MASK 0x000000000fffffffULL
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#define DMA_24BIT_MASK 0x0000000000ffffffULL
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#include <asm/dma-mapping.h>
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#define dma_sync_single dma_sync_single_for_cpu
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#define dma_sync_sg dma_sync_sg_for_cpu
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#define DMA_MEMORY_MAP 0x01
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#define DMA_MEMORY_IO 0x02
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#define DMA_MEMORY_INCLUDES_CHILDREN 0x04
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#define DMA_MEMORY_EXCLUSIVE 0x08
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#ifndef ARCH_HAS_DMA_DECLARE_COHERENT_MEMORY
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#endif
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#endif
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