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 WARNING(x...) KLOG_WARNING("fs_mgr", x) 25 #define ERROR(x...) KLOG_ERROR("fs_mgr", x) 26 27 #define CRYPTO_TMPFS_OPTIONS "size=256m,mode=0771,uid=1000,gid=1000" 28 29 #define WAIT_TIMEOUT 20 30 31 /* fstab has the following format: 32 * 33 * Any line starting with a # is a comment and ignored 34 * 35 * Any blank line is ignored 36 * 37 * All other lines must be in this format: 38 * <source> <mount_point> <fs_type> <mount_flags> <fs_options> <fs_mgr_options> 39 * 40 * <mount_flags> is a comma separated list of flags that can be passed to the 41 * mount command. The list includes noatime, nosuid, nodev, nodiratime, 42 * ro, rw, remount, defaults. 43 * 44 * <fs_options> is a comma separated list of options accepted by the filesystem being 45 * mounted. It is passed directly to mount without being parsed 46 * 47 * <fs_mgr_options> is a comma separated list of flags that control the operation of 48 * the fs_mgr program. The list includes "wait", which will wait till 49 * the <source> file exists, and "check", which requests that the fs_mgr 50 * run an fscheck program on the <source> before mounting the filesystem. 51 * If check is specifed on a read-only filesystem, it is ignored. 52 * Also, "encryptable" means that filesystem can be encrypted. 53 * The "encryptable" flag _MUST_ be followed by a = and a string which 54 * is the location of the encryption keys. It can either be a path 55 * to a file or partition which contains the keys, or the word "footer" 56 * which means the keys are in the last 16 Kbytes of the partition 57 * containing the filesystem. 58 * 59 * When the fs_mgr is requested to mount all filesystems, it will first mount all the 60 * filesystems that do _NOT_ specify check (including filesystems that are read-only and 61 * specify check, because check is ignored in that case) and then it will check and mount 62 * filesystem marked with check. 63 * 64 */ 65 66 #define MF_WAIT 0x1 67 #define MF_CHECK 0x2 68 #define MF_CRYPT 0x4 69 #define MF_NONREMOVABLE 0x8 70 #define MF_VOLDMANAGED 0x10 71 #define MF_LENGTH 0x20 72 #define MF_RECOVERYONLY 0x40 73 #define MF_SWAPPRIO 0x80 74 #define MF_ZRAMSIZE 0x100 75 #define MF_VERIFY 0x200 76 #define MF_FORCECRYPT 0x400 77 #define MF_NOEMULATEDSD 0x800 /* no emulated sdcard daemon, sd card is the only 78 external storage */ 79 #define MF_NOTRIM 0x1000 80 #define MF_FILEENCRYPTION 0x2000 81 #define MF_FORMATTABLE 0x4000 82 83 #define DM_BUF_SIZE 4096 84 85 int fs_mgr_set_blk_ro(const char *blockdev); 86 87 #endif /* __CORE_FS_MGR_PRIV_H */ 88