1 /* 2 * This header was generated from the Linux kernel headers by update_headers.py, 3 * to provide necessary information from kernel to userspace, such as constants, 4 * structures, and macros, and thus, contains no copyrightable information. 5 */ 6 #ifndef _UAPI_LINUX_ASHMEM_H 7 #define _UAPI_LINUX_ASHMEM_H 8 #include <linux/ioctl.h> 9 #include <linux/types.h> 10 #define ASHMEM_NAME_LEN 256 11 #define ASHMEM_NAME_DEF "dev/ashmem" 12 #define ASHMEM_NOT_PURGED 0 13 #define ASHMEM_WAS_PURGED 1 14 #define ASHMEM_IS_UNPINNED 0 15 #define ASHMEM_IS_PINNED 1 16 struct ashmem_pin { 17 __u32 offset; 18 __u32 len; 19 }; 20 #define __ASHMEMIOC 0x77 21 #define ASHMEM_SET_NAME _IOW(__ASHMEMIOC, 1, char[ASHMEM_NAME_LEN]) 22 #define ASHMEM_GET_NAME _IOR(__ASHMEMIOC, 2, char[ASHMEM_NAME_LEN]) 23 #define ASHMEM_SET_SIZE _IOW(__ASHMEMIOC, 3, size_t) 24 #define ASHMEM_GET_SIZE _IO(__ASHMEMIOC, 4) 25 #define ASHMEM_SET_PROT_MASK _IOW(__ASHMEMIOC, 5, unsigned long) 26 #define ASHMEM_GET_PROT_MASK _IO(__ASHMEMIOC, 6) 27 #define ASHMEM_PIN _IOW(__ASHMEMIOC, 7, struct ashmem_pin) 28 #define ASHMEM_UNPIN _IOW(__ASHMEMIOC, 8, struct ashmem_pin) 29 #define ASHMEM_GET_PIN_STATUS _IO(__ASHMEMIOC, 9) 30 #define ASHMEM_PURGE_ALL_CACHES _IO(__ASHMEMIOC, 10) 31 #endif 32