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 *** To edit the content of this header, modify the corresponding 11 *** source file (e.g. under external/kernel-headers/original/) then 12 *** run bionic/libc/kernel/tools/update_all.py 13 *** 14 *** Any manual change here will be lost the next time this script will 15 *** be run. You've been warned! 16 *** 17 **************************************************************************** 18 ****************************************************************************/ 19 #ifndef _ASM_LINUX_DMA_MAPPING_H 20 #define _ASM_LINUX_DMA_MAPPING_H 21 #include <linux/device.h> 22 #include <linux/err.h> 23 /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */ 24 enum dma_data_direction { 25 DMA_BIDIRECTIONAL = 0, 26 DMA_TO_DEVICE = 1, 27 DMA_FROM_DEVICE = 2, 28 /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */ 29 DMA_NONE = 3, 30 }; 31 #define DMA_64BIT_MASK 0xffffffffffffffffULL 32 #define DMA_48BIT_MASK 0x0000ffffffffffffULL 33 /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */ 34 #define DMA_40BIT_MASK 0x000000ffffffffffULL 35 #define DMA_39BIT_MASK 0x0000007fffffffffULL 36 #define DMA_32BIT_MASK 0x00000000ffffffffULL 37 #define DMA_31BIT_MASK 0x000000007fffffffULL 38 /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */ 39 #define DMA_30BIT_MASK 0x000000003fffffffULL 40 #define DMA_29BIT_MASK 0x000000001fffffffULL 41 #define DMA_28BIT_MASK 0x000000000fffffffULL 42 #define DMA_24BIT_MASK 0x0000000000ffffffULL 43 /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */ 44 #include <asm/dma-mapping.h> 45 #define dma_sync_single dma_sync_single_for_cpu 46 #define dma_sync_sg dma_sync_sg_for_cpu 47 #define DMA_MEMORY_MAP 0x01 48 /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */ 49 #define DMA_MEMORY_IO 0x02 50 #define DMA_MEMORY_INCLUDES_CHILDREN 0x04 51 #define DMA_MEMORY_EXCLUSIVE 0x08 52 #ifndef ARCH_HAS_DMA_DECLARE_COHERENT_MEMORY 53 /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */ 54 #endif 55 #endif 56