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      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
     24 extern "C" {
     25 #endif
     26 
     27 struct fstab {
     28     int num_entries;
     29     struct fstab_rec *recs;
     30     char *fstab_filename;
     31 };
     32 
     33 struct fstab_rec {
     34     char *blk_device;
     35     char *mount_point;
     36     char *fs_type;
     37     unsigned long flags;
     38     char *fs_options;
     39     int fs_mgr_flags;
     40     char *key_loc;
     41     char *verity_loc;
     42     long long length;
     43     char *label;
     44     int partnum;
     45     int swap_prio;
     46     unsigned int zram_size;
     47 };
     48 
     49 struct fstab *fs_mgr_read_fstab(const char *fstab_path);
     50 void fs_mgr_free_fstab(struct fstab *fstab);
     51 int fs_mgr_mount_all(struct fstab *fstab);
     52 int fs_mgr_do_mount(struct fstab *fstab, char *n_name, char *n_blk_device,
     53                     char *tmp_mount_point);
     54 int fs_mgr_do_tmpfs_mount(char *n_name);
     55 int fs_mgr_unmount_all(struct fstab *fstab);
     56 int fs_mgr_get_crypt_info(struct fstab *fstab, char *key_loc,
     57                           char *real_blk_device, int size);
     58 int fs_mgr_add_entry(struct fstab *fstab,
     59                      const char *mount_point, const char *fs_type,
     60                      const char *blk_device, long long length);
     61 struct fstab_rec *fs_mgr_get_entry_for_mount_point(struct fstab *fstab, const char *path);
     62 int fs_mgr_is_voldmanaged(struct fstab_rec *fstab);
     63 int fs_mgr_is_nonremovable(struct fstab_rec *fstab);
     64 int fs_mgr_is_encryptable(struct fstab_rec *fstab);
     65 int fs_mgr_is_noemulatedsd(struct fstab_rec *fstab);
     66 int fs_mgr_swapon_all(struct fstab *fstab);
     67 #ifdef __cplusplus
     68 }
     69 #endif
     70 
     71 #endif /* __CORE_FS_MGR_H */
     72 
     73