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_PRIV_H 18 #define __CORE_FS_MGR_PRIV_H 19 20 #include <cutils/klog.h> 21 #include <fs_mgr.h> 22 23 #define INFO(x...) KLOG_INFO("fs_mgr", x) 24 #define ERROR(x...) KLOG_ERROR("fs_mgr", x) 25 26 #define CRYPTO_TMPFS_OPTIONS "size=128m,mode=0771,uid=1000,gid=1000" 27 28 struct fstab_rec { 29 char *blk_dev; 30 char *mnt_point; 31 char *type; 32 unsigned long flags; 33 char *fs_options; 34 int fs_mgr_flags; 35 char *key_loc; 36 }; 37 38 #define WAIT_TIMEOUT 5 39 40 /* fstab has the following format: 41 * 42 * Any line starting with a # is a comment and ignored 43 * 44 * Any blank line is ignored 45 * 46 * All other lines must be in this format: 47 * <source> <mount_point> <fs_type> <mount_flags> <fs_options> <fs_mgr_options> 48 * 49 * <mount_flags> is a comma separated list of flags that can be passed to the 50 * mount command. The list includes noatime, nosuid, nodev, nodiratime, 51 * ro, rw, remount, defaults. 52 * 53 * <fs_options> is a comma separated list of options accepted by the filesystem being 54 * mounted. It is passed directly to mount without being parsed 55 * 56 * <fs_mgr_options> is a comma separated list of flags that control the operation of 57 * the fs_mgr program. The list includes "wait", which will wait till 58 * the <source> file exists, and "check", which requests that the fs_mgr 59 * run an fscheck program on the <source> before mounting the filesystem. 60 * If check is specifed on a read-only filesystem, it is ignored. 61 * Also, "encryptable" means that filesystem can be encrypted. 62 * The "encryptable" flag _MUST_ be followed by a : and a string which 63 * is the location of the encryption keys. I can either be a path 64 * to a file or partition which contains the keys, or the word "footer" 65 * which means the keys are in the last 16 Kbytes of the partition 66 * containing the filesystem. 67 * 68 * When the fs_mgr is requested to mount all filesystems, it will first mount all the 69 * filesystems that do _NOT_ specify check (including filesystems that are read-only and 70 * specify check, because check is ignored in that case) and then it will check and mount 71 * filesystem marked with check. 72 * 73 */ 74 75 #define MF_WAIT 0x1 76 #define MF_CHECK 0x2 77 #define MF_CRYPT 0x4 78 79 #endif /* __CORE_FS_MGR_PRIV_H */ 80 81