1 /* 2 * This file is auto-generated. Modifications will be lost. 3 * 4 * See https://android.googlesource.com/platform/bionic/+/master/libc/kernel/ 5 * for more information. 6 */ 7 #ifndef _DMA_BUF_UAPI_H_ 8 #define _DMA_BUF_UAPI_H_ 9 #include <linux/types.h> 10 struct dma_buf_sync { 11 __u64 flags; 12 }; 13 #define DMA_BUF_SYNC_READ (1 << 0) 14 #define DMA_BUF_SYNC_WRITE (2 << 0) 15 #define DMA_BUF_SYNC_RW (DMA_BUF_SYNC_READ | DMA_BUF_SYNC_WRITE) 16 #define DMA_BUF_SYNC_START (0 << 2) 17 #define DMA_BUF_SYNC_END (1 << 2) 18 #define DMA_BUF_SYNC_VALID_FLAGS_MASK (DMA_BUF_SYNC_RW | DMA_BUF_SYNC_END) 19 #define DMA_BUF_NAME_LEN 32 20 struct dma_buf_export_sync_file { 21 __u32 flags; 22 __s32 fd; 23 }; 24 struct dma_buf_import_sync_file { 25 __u32 flags; 26 __s32 fd; 27 }; 28 #define DMA_BUF_BASE 'b' 29 #define DMA_BUF_IOCTL_SYNC _IOW(DMA_BUF_BASE, 0, struct dma_buf_sync) 30 #define DMA_BUF_SET_NAME _IOW(DMA_BUF_BASE, 1, const char *) 31 #define DMA_BUF_SET_NAME_A _IOW(DMA_BUF_BASE, 1, __u32) 32 #define DMA_BUF_SET_NAME_B _IOW(DMA_BUF_BASE, 1, __u64) 33 #define DMA_BUF_IOCTL_EXPORT_SYNC_FILE _IOWR(DMA_BUF_BASE, 2, struct dma_buf_export_sync_file) 34 #define DMA_BUF_IOCTL_IMPORT_SYNC_FILE _IOW(DMA_BUF_BASE, 3, struct dma_buf_import_sync_file) 35 #endif 36