1/****************************************************************************
2 ****************************************************************************
3 ***
4 ***   This header was automatically generated from a Linux kernel header
5 ***   of the same name, to make information necessary for userspace to
6 ***   call into the kernel available to libc.  It contains only constants,
7 ***   structures, and macros generated from the original header, and thus,
8 ***   contains no copyrightable information.
9 ***
10 ****************************************************************************
11 ****************************************************************************/
12#ifndef _ASM_LINUX_DMA_MAPPING_H
13#define _ASM_LINUX_DMA_MAPPING_H
14
15#include <linux/device.h>
16#include <linux/err.h>
17
18enum dma_data_direction {
19 DMA_BIDIRECTIONAL = 0,
20 DMA_TO_DEVICE = 1,
21 DMA_FROM_DEVICE = 2,
22 DMA_NONE = 3,
23};
24
25#define DMA_64BIT_MASK 0xffffffffffffffffULL
26#define DMA_48BIT_MASK 0x0000ffffffffffffULL
27#define DMA_40BIT_MASK 0x000000ffffffffffULL
28#define DMA_39BIT_MASK 0x0000007fffffffffULL
29#define DMA_32BIT_MASK 0x00000000ffffffffULL
30#define DMA_31BIT_MASK 0x000000007fffffffULL
31#define DMA_30BIT_MASK 0x000000003fffffffULL
32#define DMA_29BIT_MASK 0x000000001fffffffULL
33#define DMA_28BIT_MASK 0x000000000fffffffULL
34#define DMA_24BIT_MASK 0x0000000000ffffffULL
35
36#include <asm/dma-mapping.h>
37
38#define dma_sync_single dma_sync_single_for_cpu
39#define dma_sync_sg dma_sync_sg_for_cpu
40
41#define DMA_MEMORY_MAP 0x01
42#define DMA_MEMORY_IO 0x02
43#define DMA_MEMORY_INCLUDES_CHILDREN 0x04
44#define DMA_MEMORY_EXCLUSIVE 0x08
45
46#ifndef ARCH_HAS_DMA_DECLARE_COHERENT_MEMORY
47#endif
48#endif
49