1cbb1011c95e0c25c29e40e203a6a31bccd029da3The Android Open Source Project/* utils/ashmem.h 2cbb1011c95e0c25c29e40e203a6a31bccd029da3The Android Open Source Project ** 3cbb1011c95e0c25c29e40e203a6a31bccd029da3The Android Open Source Project ** Copyright 2008 The Android Open Source Project 4cbb1011c95e0c25c29e40e203a6a31bccd029da3The Android Open Source Project ** 5cbb1011c95e0c25c29e40e203a6a31bccd029da3The Android Open Source Project ** This file is dual licensed. It may be redistributed and/or modified 6cbb1011c95e0c25c29e40e203a6a31bccd029da3The Android Open Source Project ** under the terms of the Apache 2.0 License OR version 2 of the GNU 7cbb1011c95e0c25c29e40e203a6a31bccd029da3The Android Open Source Project ** General Public License. 8cbb1011c95e0c25c29e40e203a6a31bccd029da3The Android Open Source Project */ 9cbb1011c95e0c25c29e40e203a6a31bccd029da3The Android Open Source Project 10cbb1011c95e0c25c29e40e203a6a31bccd029da3The Android Open Source Project#ifndef _UTILS_ASHMEM_H 11cbb1011c95e0c25c29e40e203a6a31bccd029da3The Android Open Source Project#define _UTILS_ASHMEM_H 12cbb1011c95e0c25c29e40e203a6a31bccd029da3The Android Open Source Project 13cbb1011c95e0c25c29e40e203a6a31bccd029da3The Android Open Source Project#include <linux/limits.h> 14cbb1011c95e0c25c29e40e203a6a31bccd029da3The Android Open Source Project#include <linux/ioctl.h> 15cbb1011c95e0c25c29e40e203a6a31bccd029da3The Android Open Source Project 16cbb1011c95e0c25c29e40e203a6a31bccd029da3The Android Open Source Project#define ASHMEM_NAME_LEN 256 17cbb1011c95e0c25c29e40e203a6a31bccd029da3The Android Open Source Project 18cbb1011c95e0c25c29e40e203a6a31bccd029da3The Android Open Source Project#define ASHMEM_NAME_DEF "dev/ashmem" 19cbb1011c95e0c25c29e40e203a6a31bccd029da3The Android Open Source Project 20cbb1011c95e0c25c29e40e203a6a31bccd029da3The Android Open Source Project/* Return values from ASHMEM_PIN: Was the mapping purged while unpinned? */ 21cbb1011c95e0c25c29e40e203a6a31bccd029da3The Android Open Source Project#define ASHMEM_NOT_REAPED 0 22cbb1011c95e0c25c29e40e203a6a31bccd029da3The Android Open Source Project#define ASHMEM_WAS_REAPED 1 23cbb1011c95e0c25c29e40e203a6a31bccd029da3The Android Open Source Project 24cbb1011c95e0c25c29e40e203a6a31bccd029da3The Android Open Source Project/* Return values from ASHMEM_UNPIN: Is the mapping now pinned or unpinned? */ 25cbb1011c95e0c25c29e40e203a6a31bccd029da3The Android Open Source Project#define ASHMEM_NOW_UNPINNED 0 26cbb1011c95e0c25c29e40e203a6a31bccd029da3The Android Open Source Project#define ASHMEM_NOW_PINNED 1 27cbb1011c95e0c25c29e40e203a6a31bccd029da3The Android Open Source Project 28cbb1011c95e0c25c29e40e203a6a31bccd029da3The Android Open Source Project#define __ASHMEMIOC 0x77 29cbb1011c95e0c25c29e40e203a6a31bccd029da3The Android Open Source Project 30cbb1011c95e0c25c29e40e203a6a31bccd029da3The Android Open Source Project#define ASHMEM_SET_NAME _IOW(__ASHMEMIOC, 1, char[ASHMEM_NAME_LEN]) 31cbb1011c95e0c25c29e40e203a6a31bccd029da3The Android Open Source Project#define ASHMEM_GET_NAME _IOR(__ASHMEMIOC, 2, char[ASHMEM_NAME_LEN]) 32cbb1011c95e0c25c29e40e203a6a31bccd029da3The Android Open Source Project#define ASHMEM_SET_SIZE _IOW(__ASHMEMIOC, 3, size_t) 33cbb1011c95e0c25c29e40e203a6a31bccd029da3The Android Open Source Project#define ASHMEM_GET_SIZE _IO(__ASHMEMIOC, 4) 34cbb1011c95e0c25c29e40e203a6a31bccd029da3The Android Open Source Project#define ASHMEM_SET_PROT_MASK _IOW(__ASHMEMIOC, 5, unsigned long) 35cbb1011c95e0c25c29e40e203a6a31bccd029da3The Android Open Source Project#define ASHMEM_GET_PROT_MASK _IO(__ASHMEMIOC, 6) 36cbb1011c95e0c25c29e40e203a6a31bccd029da3The Android Open Source Project#define ASHMEM_PIN _IO(__ASHMEMIOC, 7) 37cbb1011c95e0c25c29e40e203a6a31bccd029da3The Android Open Source Project#define ASHMEM_UNPIN _IO(__ASHMEMIOC, 8) 38cbb1011c95e0c25c29e40e203a6a31bccd029da3The Android Open Source Project#define ASHMEM_ISPINNED _IO(__ASHMEMIOC, 9) 39cbb1011c95e0c25c29e40e203a6a31bccd029da3The Android Open Source Project#define ASHMEM_PURGE_ALL_CACHES _IO(__ASHMEMIOC, 10) 40cbb1011c95e0c25c29e40e203a6a31bccd029da3The Android Open Source Project 41cbb1011c95e0c25c29e40e203a6a31bccd029da3The Android Open Source Project#endif /* _UTILS_ASHMEM_H */ 42