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 _DMA_BUF_UAPI_H_ 20 #define _DMA_BUF_UAPI_H_ 21 #include <linux/types.h> 22 struct dma_buf_sync { 23 __u64 flags; 24 }; 25 #define DMA_BUF_SYNC_READ (1 << 0) 26 #define DMA_BUF_SYNC_WRITE (2 << 0) 27 #define DMA_BUF_SYNC_RW (DMA_BUF_SYNC_READ | DMA_BUF_SYNC_WRITE) 28 #define DMA_BUF_SYNC_START (0 << 2) 29 #define DMA_BUF_SYNC_END (1 << 2) 30 #define DMA_BUF_SYNC_VALID_FLAGS_MASK (DMA_BUF_SYNC_RW | DMA_BUF_SYNC_END) 31 #define DMA_BUF_BASE 'b' 32 #define DMA_BUF_IOCTL_SYNC _IOW(DMA_BUF_BASE, 0, struct dma_buf_sync) 33 #endif 34
