1 /* 2 * Copyright (c) 2014, STMicroelectronics International N.V. 3 * All rights reserved. 4 * 5 * Redistribution and use in source and binary forms, with or without 6 * modification, are permitted provided that the following conditions are met: 7 * 8 * 1. Redistributions of source code must retain the above copyright notice, 9 * this list of conditions and the following disclaimer. 10 * 11 * 2. Redistributions in binary form must reproduce the above copyright notice, 12 * this list of conditions and the following disclaimer in the documentation 13 * and/or other materials provided with the distribution. 14 * 15 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" 16 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 17 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 18 * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE 19 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 20 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 21 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 22 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 23 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 24 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 25 * POSSIBILITY OF SUCH DAMAGE. 26 */ 27 28 #ifndef TEE_FS_H 29 #define TEE_FS_H 30 31 #include <stddef.h> 32 #include <stdint.h> 33 34 #define TEE_FS_NAME_MAX 150 35 36 typedef int tee_fs_off_t; 37 typedef uint32_t tee_fs_mode_t; 38 typedef struct tee_fs_dir tee_fs_dir; 39 40 struct tee_fs_dirent { 41 char *d_name; 42 }; 43 44 /* 45 * tee_fs implemets a POSIX like secure file system 46 */ 47 int tee_fs_open(const char *file, int flags, ...); 48 49 int tee_fs_close(int fd); 50 51 int tee_fs_read(int fd, void *buf, size_t len); 52 53 int tee_fs_write(int fd, const void *buf, size_t len); 54 55 tee_fs_off_t tee_fs_lseek(int fd, tee_fs_off_t offset, int whence); 56 57 int tee_fs_rename(const char *old, const char *new); 58 59 int tee_fs_unlink(const char *file); 60 61 int tee_fs_ftruncate(int fd, tee_fs_off_t length); 62 63 int tee_fs_mkdir(const char *path, tee_fs_mode_t mode); 64 65 tee_fs_dir *tee_fs_opendir(const char *name); 66 67 int tee_fs_closedir(tee_fs_dir *d); 68 69 struct tee_fs_dirent *tee_fs_readdir(tee_fs_dir *d); 70 71 int tee_fs_rmdir(const char *pathname); 72 73 int tee_fs_access(const char *name, int mode); 74 75 #endif 76