summaryrefslogtreecommitdiffstats
path: root/libc/kernel/common/linux/dma-mapping.h
blob: 6432259214386b3e952a4cb60db296b192c1e9f7 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
/****************************************************************************
 ****************************************************************************
 ***
 ***   This header was automatically generated from a Linux kernel header
 ***   of the same name, to make information necessary for userspace to
 ***   call into the kernel available to libc.  It contains only constants,
 ***   structures, and macros generated from the original header, and thus,
 ***   contains no copyrightable information.
 ***
 ****************************************************************************
 ****************************************************************************/
#ifndef _ASM_LINUX_DMA_MAPPING_H
#define _ASM_LINUX_DMA_MAPPING_H

#include <linux/device.h>
#include <linux/err.h>

enum dma_data_direction {
 DMA_BIDIRECTIONAL = 0,
 DMA_TO_DEVICE = 1,
 DMA_FROM_DEVICE = 2,
 DMA_NONE = 3,
};

#define DMA_64BIT_MASK 0xffffffffffffffffULL
#define DMA_48BIT_MASK 0x0000ffffffffffffULL
#define DMA_40BIT_MASK 0x000000ffffffffffULL
#define DMA_39BIT_MASK 0x0000007fffffffffULL
#define DMA_32BIT_MASK 0x00000000ffffffffULL
#define DMA_31BIT_MASK 0x000000007fffffffULL
#define DMA_30BIT_MASK 0x000000003fffffffULL
#define DMA_29BIT_MASK 0x000000001fffffffULL
#define DMA_28BIT_MASK 0x000000000fffffffULL
#define DMA_24BIT_MASK 0x0000000000ffffffULL

#include <asm/dma-mapping.h>

#define dma_sync_single dma_sync_single_for_cpu
#define dma_sync_sg dma_sync_sg_for_cpu

#define DMA_MEMORY_MAP 0x01
#define DMA_MEMORY_IO 0x02
#define DMA_MEMORY_INCLUDES_CHILDREN 0x04
#define DMA_MEMORY_EXCLUSIVE 0x08

#ifndef ARCH_HAS_DMA_DECLARE_COHERENT_MEMORY
#endif
#endif