1 /* 2 * Copyright (C) 2012 The Android Open Source Project 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); 5 * you may not use this file except in compliance with the License. 6 * You may obtain a copy of the License at 7 * 8 * http://www.apache.org/licenses/LICENSE-2.0 9 * 10 * Unless required by applicable law or agreed to in writing, software 11 * distributed under the License is distributed on an "AS IS" BASIS, 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 * See the License for the specific language governing permissions and 14 * limitations under the License. 15 */ 16 17 #ifndef __CORE_FS_TAB_H 18 #define __CORE_FS_TAB_H 19 20 #include <linux/dm-ioctl.h> 21 #include <stdbool.h> 22 #include <stdint.h> 23 #include <stdio.h> 24 25 // C++ only headers 26 // TODO: move this into separate header files under include/fs_mgr/*.h 27 #ifdef __cplusplus 28 #include <string> 29 #endif 30 31 __BEGIN_DECLS 32 33 /* 34 * The entries must be kept in the same order as they were seen in the fstab. 35 * Unless explicitly requested, a lookup on mount point should always 36 * return the 1st one. 37 */ 38 struct fstab { 39 int num_entries; 40 struct fstab_rec* recs; 41 char* fstab_filename; 42 }; 43 44 struct fstab_rec { 45 char* blk_device; 46 char* mount_point; 47 char* fs_type; 48 unsigned long flags; 49 char* fs_options; 50 int fs_mgr_flags; 51 char* key_loc; 52 char* key_dir; 53 char* verity_loc; 54 long long length; 55 char* label; 56 int partnum; 57 int swap_prio; 58 int max_comp_streams; 59 unsigned int zram_size; 60 uint64_t reserved_size; 61 unsigned int file_contents_mode; 62 unsigned int file_names_mode; 63 unsigned int erase_blk_size; 64 unsigned int logical_blk_size; 65 }; 66 67 struct fstab* fs_mgr_read_fstab_default(); 68 struct fstab* fs_mgr_read_fstab_dt(); 69 struct fstab* fs_mgr_read_fstab(const char* fstab_path); 70 void fs_mgr_free_fstab(struct fstab* fstab); 71 72 int fs_mgr_add_entry(struct fstab* fstab, const char* mount_point, const char* fs_type, 73 const char* blk_device); 74 struct fstab_rec* fs_mgr_get_entry_for_mount_point(struct fstab* fstab, const char* path); 75 int fs_mgr_is_voldmanaged(const struct fstab_rec* fstab); 76 int fs_mgr_is_nonremovable(const struct fstab_rec* fstab); 77 int fs_mgr_is_verified(const struct fstab_rec* fstab); 78 int fs_mgr_is_verifyatboot(const struct fstab_rec* fstab); 79 int fs_mgr_is_avb(const struct fstab_rec* fstab); 80 int fs_mgr_is_encryptable(const struct fstab_rec* fstab); 81 int fs_mgr_is_file_encrypted(const struct fstab_rec* fstab); 82 void fs_mgr_get_file_encryption_modes(const struct fstab_rec* fstab, const char** contents_mode_ret, 83 const char** filenames_mode_ret); 84 int fs_mgr_is_convertible_to_fbe(const struct fstab_rec* fstab); 85 int fs_mgr_is_noemulatedsd(const struct fstab_rec* fstab); 86 int fs_mgr_is_notrim(const struct fstab_rec* fstab); 87 int fs_mgr_is_formattable(const struct fstab_rec* fstab); 88 int fs_mgr_is_slotselect(const struct fstab_rec* fstab); 89 int fs_mgr_is_nofail(const struct fstab_rec* fstab); 90 int fs_mgr_is_latemount(const struct fstab_rec* fstab); 91 int fs_mgr_is_quota(const struct fstab_rec* fstab); 92 93 __END_DECLS 94 95 // C++ only functions 96 // TODO: move this into separate header files under include/fs_mgr/*.h 97 #ifdef __cplusplus 98 std::string fs_mgr_get_slot_suffix(); 99 #endif 100 101 #endif /* __CORE_FS_TAB_H */ 102
