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 __BEGIN_DECLS 24 25 #define INFO(x...) KLOG_INFO("fs_mgr", x) 26 #define WARNING(x...) KLOG_WARNING("fs_mgr", x) 27 #define ERROR(x...) KLOG_ERROR("fs_mgr", x) 28 29 #define CRYPTO_TMPFS_OPTIONS "size=256m,mode=0771,uid=1000,gid=1000" 30 31 #define WAIT_TIMEOUT 20 32 33 /* fstab has the following format: 34 * 35 * Any line starting with a # is a comment and ignored 36 * 37 * Any blank line is ignored 38 * 39 * All other lines must be in this format: 40 * <source> <mount_point> <fs_type> <mount_flags> <fs_options> <fs_mgr_options> 41 * 42 * <mount_flags> is a comma separated list of flags that can be passed to the 43 * mount command. The list includes noatime, nosuid, nodev, nodiratime, 44 * ro, rw, remount, defaults. 45 * 46 * <fs_options> is a comma separated list of options accepted by the filesystem being 47 * mounted. It is passed directly to mount without being parsed 48 * 49 * <fs_mgr_options> is a comma separated list of flags that control the operation of 50 * the fs_mgr program. The list includes "wait", which will wait till 51 * the <source> file exists, and "check", which requests that the fs_mgr 52 * run an fscheck program on the <source> before mounting the filesystem. 53 * If check is specifed on a read-only filesystem, it is ignored. 54 * Also, "encryptable" means that filesystem can be encrypted. 55 * The "encryptable" flag _MUST_ be followed by a = and a string which 56 * is the location of the encryption keys. It can either be a path 57 * to a file or partition which contains the keys, or the word "footer" 58 * which means the keys are in the last 16 Kbytes of the partition 59 * containing the filesystem. 60 * 61 * When the fs_mgr is requested to mount all filesystems, it will first mount all the 62 * filesystems that do _NOT_ specify check (including filesystems that are read-only and 63 * specify check, because check is ignored in that case) and then it will check and mount 64 * filesystem marked with check. 65 * 66 */ 67 68 #define MF_WAIT 0x1 69 #define MF_CHECK 0x2 70 #define MF_CRYPT 0x4 71 #define MF_NONREMOVABLE 0x8 72 #define MF_VOLDMANAGED 0x10 73 #define MF_LENGTH 0x20 74 #define MF_RECOVERYONLY 0x40 75 #define MF_SWAPPRIO 0x80 76 #define MF_ZRAMSIZE 0x100 77 #define MF_VERIFY 0x200 78 #define MF_FORCECRYPT 0x400 79 #define MF_NOEMULATEDSD 0x800 /* no emulated sdcard daemon, sd card is the only 80 external storage */ 81 #define MF_NOTRIM 0x1000 82 #define MF_FILEENCRYPTION 0x2000 83 #define MF_FORMATTABLE 0x4000 84 #define MF_SLOTSELECT 0x8000 85 #define MF_FORCEFDEORFBE 0x10000 86 #define MF_LATEMOUNT 0x20000 87 #define MF_NOFAIL 0x40000 88 #define MF_VERIFYATBOOT 0x80000 89 90 #define DM_BUF_SIZE 4096 91 92 int fs_mgr_set_blk_ro(const char *blockdev); 93 int fs_mgr_update_for_slotselect(struct fstab *fstab); 94 95 __END_DECLS 96 97 #endif /* __CORE_FS_MGR_PRIV_H */ 98