1 /****************************************************************************
2 ****************************************************************************
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.
10 ****************************************************************************
11 ****************************************************************************/
12 #ifndef _ASM_LINUX_DMA_MAPPING_H
13 #define _ASM_LINUX_DMA_MAPPING_H
15 #include <linux/device.h>
16 #include <linux/err.h>
18 enum dma_data_direction {
19 DMA_BIDIRECTIONAL = 0,
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
36 #include <asm/dma-mapping.h>
38 #define dma_sync_single dma_sync_single_for_cpu
39 #define dma_sync_sg dma_sync_sg_for_cpu
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
46 #ifndef ARCH_HAS_DMA_DECLARE_COHERENT_MEMORY