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_MGR_H 18#define __CORE_FS_MGR_H 19 20#include <stdint.h> 21#include <linux/dm-ioctl.h> 22 23#ifdef __cplusplus 24extern "C" { 25#endif 26 27/* 28 * The entries must be kept in the same order as they were seen in the fstab. 29 * Unless explicitly requested, a lookup on mount point should always 30 * return the 1st one. 31 */ 32struct fstab { 33 int num_entries; 34 struct fstab_rec *recs; 35 char *fstab_filename; 36}; 37 38struct fstab_rec { 39 char *blk_device; 40 char *mount_point; 41 char *fs_type; 42 unsigned long flags; 43 char *fs_options; 44 int fs_mgr_flags; 45 char *key_loc; 46 char *verity_loc; 47 long long length; 48 char *label; 49 int partnum; 50 int swap_prio; 51 unsigned int zram_size; 52}; 53 54struct fstab *fs_mgr_read_fstab(const char *fstab_path); 55void fs_mgr_free_fstab(struct fstab *fstab); 56 57#define FS_MGR_MNTALL_DEV_NEEDS_RECOVERY 3 58#define FS_MGR_MNTALL_DEV_NEEDS_ENCRYPTION 2 59#define FS_MGR_MNTALL_DEV_MIGHT_BE_ENCRYPTED 1 60#define FS_MGR_MNTALL_DEV_NOT_ENCRYPTED 0 61int fs_mgr_mount_all(struct fstab *fstab); 62 63#define FS_MGR_DOMNT_FAILED -1 64#define FS_MGR_DOMNT_BUSY -2 65int fs_mgr_do_mount(struct fstab *fstab, char *n_name, char *n_blk_device, 66 char *tmp_mount_point); 67int fs_mgr_do_tmpfs_mount(char *n_name); 68int fs_mgr_unmount_all(struct fstab *fstab); 69int fs_mgr_get_crypt_info(struct fstab *fstab, char *key_loc, 70 char *real_blk_device, int size); 71int fs_mgr_add_entry(struct fstab *fstab, 72 const char *mount_point, const char *fs_type, 73 const char *blk_device); 74struct fstab_rec *fs_mgr_get_entry_for_mount_point(struct fstab *fstab, const char *path); 75int fs_mgr_is_voldmanaged(struct fstab_rec *fstab); 76int fs_mgr_is_nonremovable(struct fstab_rec *fstab); 77int fs_mgr_is_encryptable(struct fstab_rec *fstab); 78int fs_mgr_is_noemulatedsd(struct fstab_rec *fstab); 79int fs_mgr_swapon_all(struct fstab *fstab); 80#ifdef __cplusplus 81} 82#endif 83 84#endif /* __CORE_FS_MGR_H */ 85 86