1/* 2 * Copyright (c) 2004-2014 Apple Computer, Inc. All rights reserved. 3 * 4 * @APPLE_OSREFERENCE_LICENSE_HEADER_START@ 5 * 6 * This file contains Original Code and/or Modifications of Original Code 7 * as defined in and that are subject to the Apple Public Source License 8 * Version 2.0 (the 'License'). You may not use this file except in 9 * compliance with the License. The rights granted to you under the License 10 * may not be used to create, or enable the creation or redistribution of, 11 * unlawful or unlicensed copies of an Apple operating system, or to 12 * circumvent, violate, or enable the circumvention or violation of, any 13 * terms of an Apple operating system software license agreement. 14 * 15 * Please obtain a copy of the License at 16 * http://www.opensource.apple.com/apsl/ and read it before using this file. 17 * 18 * The Original Code and all software distributed under the License are 19 * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER 20 * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES, 21 * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY, 22 * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT. 23 * Please see the License for the specific language governing rights and 24 * limitations under the License. 25 * 26 * @APPLE_OSREFERENCE_LICENSE_HEADER_END@ 27 */ 28 29#ifndef _HFS_FSCTL_H_ 30#define _HFS_FSCTL_H_ 31 32#include <sys/appleapiopts.h> 33 34#include <sys/param.h> 35#include <sys/ioccom.h> 36#include <sys/time.h> 37#include <stdint.h> 38 39#ifdef __APPLE_API_UNSTABLE 40 41struct hfs_backingstoreinfo { 42 int signature; /* == 3419115 */ 43 int version; /* version of this struct (1) */ 44 int backingfd; /* disk image file (on backing fs) */ 45 int bandsize; /* sparse disk image band size */ 46}; 47 48 49typedef char pathname_t[MAXPATHLEN]; 50 51struct hfs_journal_info { 52 off_t jstart; 53 off_t jsize; 54}; 55 56 57struct hfsinfo_metadata { 58 uint32_t total; 59 uint32_t extents; 60 uint32_t catalog; 61 uint32_t allocation; 62 uint32_t attribute; 63 uint32_t journal; 64 uint32_t reserved[4]; 65}; 66 67 68/* HFS FS CONTROL COMMANDS */ 69 70#define HFSIOC_RESIZE_PROGRESS _IOR('h', 1, u_int32_t) 71#define HFS_RESIZE_PROGRESS IOCBASECMD(HFSIOC_RESIZE_PROGRESS) 72 73#define HFSIOC_RESIZE_VOLUME _IOW('h', 2, u_int64_t) 74#define HFS_RESIZE_VOLUME IOCBASECMD(HFSIOC_RESIZE_VOLUME) 75 76#define HFSIOC_CHANGE_NEXT_ALLOCATION _IOWR('h', 3, u_int32_t) 77#define HFS_CHANGE_NEXT_ALLOCATION IOCBASECMD(HFSIOC_CHANGE_NEXT_ALLOCATION) 78/* Magic value for next allocation to use with fcntl to set next allocation 79 * to zero and never update it again on new block allocation. 80 */ 81#define HFS_NO_UPDATE_NEXT_ALLOCATION 0xffffFFFF 82 83#define HFSIOC_GETCREATETIME _IOR('h', 4, time_t) 84#define HFS_GETCREATETIME IOCBASECMD(HFSIOC_GETCREATETIME) 85 86#define HFSIOC_SETBACKINGSTOREINFO _IOW('h', 7, struct hfs_backingstoreinfo) 87#define HFS_SETBACKINGSTOREINFO IOCBASECMD(HFSIOC_SETBACKINGSTOREINFO) 88 89#define HFSIOC_CLRBACKINGSTOREINFO _IO('h', 8) 90#define HFS_CLRBACKINGSTOREINFO IOCBASECMD(HFSIOC_CLRBACKINGSTOREINFO) 91 92#define HFSIOC_BULKACCESS _IOW('h', 9, struct user32_access_t) 93#define HFS_BULKACCESS_FSCTL IOCBASECMD(HFSIOC_BULKACCESS) 94 95/* Unsupported - Previously used to enable/disable ACLs */ 96#define HFSIOC_UNSUPPORTED _IOW('h', 10, int32_t) 97 98#define HFSIOC_PREV_LINK _IOWR('h', 11, u_int32_t) 99#define HFS_PREV_LINK IOCBASECMD(HFSIOC_PREV_LINK) 100 101#define HFSIOC_NEXT_LINK _IOWR('h', 12, u_int32_t) 102#define HFS_NEXT_LINK IOCBASECMD(HFSIOC_NEXT_LINK) 103 104#define HFSIOC_GETPATH _IOWR('h', 13, pathname_t) 105#define HFS_GETPATH IOCBASECMD(HFSIOC_GETPATH) 106/* By default, the path returned by HFS_GETPATH is an absolute path, 107 * i.e. it also contains the mount point of the volume on which the 108 * fileID exists. If the following bit is set, the path returned is 109 * relative to the root of the volume. 110 */ 111#define HFS_GETPATH_VOLUME_RELATIVE 0x1 112 113/* Enable/disable extent-based extended attributes */ 114#define HFSIOC_SET_XATTREXTENTS_STATE _IOW('h', 14, u_int32_t) 115#define HFS_SET_XATTREXTENTS_STATE IOCBASECMD(HFSIOC_SET_XATTREXTENTS_STATE) 116 117#define HFSIOC_EXT_BULKACCESS _IOW('h', 15, struct user32_ext_access_t) 118#define HFS_EXT_BULKACCESS_FSCTL IOCBASECMD(HFSIOC_EXT_BULKACCESS) 119 120#define HFSIOC_MARK_BOOT_CORRUPT _IO('h', 16) 121#define HFS_MARK_BOOT_CORRUPT IOCBASECMD(HFSIOC_MARK_BOOT_CORRUPT) 122 123#define HFSIOC_GET_JOURNAL_INFO _IOR('h', 17, struct hfs_journal_info) 124#define HFS_FSCTL_GET_JOURNAL_INFO IOCBASECMD(HFSIOC_GET_JOURNAL_INFO) 125 126#define HFSIOC_SET_VERY_LOW_DISK _IOW('h', 20, u_int32_t) 127#define HFS_FSCTL_SET_VERY_LOW_DISK IOCBASECMD(HFSIOC_SET_VERY_LOW_DISK) 128 129#define HFSIOC_SET_LOW_DISK _IOW('h', 21, u_int32_t) 130#define HFS_FSCTL_SET_LOW_DISK IOCBASECMD(HFSIOC_SET_LOW_DISK) 131 132#define HFSIOC_SET_DESIRED_DISK _IOW('h', 22, u_int32_t) 133#define HFS_FSCTL_SET_DESIRED_DISK IOCBASECMD(HFSIOC_SET_DESIRED_DISK) 134 135#define HFSIOC_SET_ALWAYS_ZEROFILL _IOW('h', 23, int32_t) 136#define HFS_SET_ALWAYS_ZEROFILL IOCBASECMD(HFSIOC_SET_ALWAYS_ZEROFILL) 137 138#define HFSIOC_VOLUME_STATUS _IOR('h', 24, u_int32_t) 139#define HFS_VOLUME_STATUS IOCBASECMD(HFSIOC_VOLUME_STATUS) 140 141/* Disable metadata zone for given volume */ 142#define HFSIOC_DISABLE_METAZONE _IO('h', 25) 143#define HFS_DISABLE_METAZONE IOCBASECMD(HFSIOC_DISABLE_METAZONE) 144 145/* Change the next CNID value */ 146#define HFSIOC_CHANGE_NEXTCNID _IOWR('h', 26, u_int32_t) 147#define HFS_CHANGE_NEXTCNID IOCBASECMD(HFSIOC_CHANGE_NEXTCNID) 148 149/* Get the low disk space values */ 150#define HFSIOC_GET_VERY_LOW_DISK _IOR('h', 27, u_int32_t) 151#define HFS_FSCTL_GET_VERY_LOW_DISK IOCBASECMD(HFSIOC_GET_VERY_LOW_DISK) 152 153#define HFSIOC_GET_LOW_DISK _IOR('h', 28, u_int32_t) 154#define HFS_FSCTL_GET_LOW_DISK IOCBASECMD(HFSIOC_GET_LOW_DISK) 155 156#define HFSIOC_GET_DESIRED_DISK _IOR('h', 29, u_int32_t) 157#define HFS_FSCTL_GET_DESIRED_DISK IOCBASECMD(HFSIOC_GET_DESIRED_DISK) 158 159/* 30 was HFSIOC_GET_WRITE_GEN_COUNTER and is now deprecated */ 160 161/* 31 was HFSIOC_GET_DOCUMENT_ID and is now deprecated */ 162 163/* revisiond only uses this when something transforms in a way the kernel can't track such as "foo.rtf" -> "foo.rtfd" */ 164#define HFSIOC_TRANSFER_DOCUMENT_ID _IOW('h', 32, u_int32_t) 165#define HFS_TRANSFER_DOCUMENT_ID IOCBASECMD(HFSIOC_TRANSFER_DOCUMENT_ID) 166 167 168/* 169 * Get information about number of file system allocation blocks used by metadata 170 * files on the volume, including individual btrees and journal file. The caller 171 * can determine the size of file system allocation block using value returned as 172 * f_bsize by statfs(2). 173 */ 174#define HFSIOC_FSINFO_METADATA_BLOCKS _IOWR('h', 38, struct hfsinfo_metadata) 175#define HFS_FSINFO_METADATA_BLOCKS IOCBASECMD(HFSIOC_FSINFO_METADATA_BLOCKS) 176 177/* Send TRIMs for all free blocks to the underlying device */ 178#define HFSIOC_CS_FREESPACE_TRIM _IOWR('h', 39, u_int32_t) 179#define HFS_CS_FREESPACE_TRIM IOCBASECMD(HFSIOC_CS_FREESPACE_TRIM) 180 181#endif /* __APPLE_API_UNSTABLE */ 182 183#endif /* ! _HFS_FSCTL_H_ */ 184