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1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 216 217 218 219 220 221 222 223 224 225 226 227 228 229 230 231 232 233 234 235 236 237 238 239 240 241 242 243 244 245 246 247 248 249 250 251 252 253 254 255 256 257 258 259 260 261 262 263 264 265 266 267 268 269 270 271 272 273 274 275 276 277 278 279 280 281 282 283 284 285 286 287 288 289 290 291 292 293 294 295 296 297 298 299 300 | /* * Copyright (c) 1998-2014 Apple Computer, Inc. All rights reserved. * * @APPLE_OSREFERENCE_LICENSE_HEADER_START@ * * This file contains Original Code and/or Modifications of Original Code * as defined in and that are subject to the Apple Public Source License * Version 2.0 (the 'License'). You may not use this file except in * compliance with the License. The rights granted to you under the License * may not be used to create, or enable the creation or redistribution of, * unlawful or unlicensed copies of an Apple operating system, or to * circumvent, violate, or enable the circumvention or violation of, any * terms of an Apple operating system software license agreement. * * Please obtain a copy of the License at * http://www.opensource.apple.com/apsl/ and read it before using this file. * * The Original Code and all software distributed under the License are * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES, * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY, * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT. * Please see the License for the specific language governing rights and * limitations under the License. * * @APPLE_OSREFERENCE_LICENSE_HEADER_END@ */ #ifndef _SYS_DISK_H_ #define _SYS_DISK_H_ #include <stdint.h> #include <sys/ioctl.h> #ifdef XNU_KERNEL_PRIVATE #include <mach/boolean.h> #endif /* XNU_KERNEL_PRIVATE */ /* * Definitions * * ioctl description * ------------------------------------- --------------------------------------- * DKIOCEJECT eject media * DKIOCSYNCHRONIZE flush media * * DKIOCFORMAT format media * DKIOCGETFORMATCAPACITIES get media's formattable capacities * * DKIOCGETBLOCKSIZE get media's block size * DKIOCGETBLOCKCOUNT get media's block count * DKIOCGETFIRMWAREPATH get media's firmware path * * DKIOCISFORMATTED is media formatted? * DKIOCISWRITABLE is media writable? * * DKIOCREQUESTIDLE idle media * DKIOCUNMAP delete unused data * * DKIOCGETMAXBLOCKCOUNTREAD get maximum block count for reads * DKIOCGETMAXBLOCKCOUNTWRITE get maximum block count for writes * DKIOCGETMAXBYTECOUNTREAD get maximum byte count for reads * DKIOCGETMAXBYTECOUNTWRITE get maximum byte count for writes * * DKIOCGETMAXSEGMENTCOUNTREAD get maximum segment count for reads * DKIOCGETMAXSEGMENTCOUNTWRITE get maximum segment count for writes * DKIOCGETMAXSEGMENTBYTECOUNTREAD get maximum segment byte count for reads * DKIOCGETMAXSEGMENTBYTECOUNTWRITE get maximum segment byte count for writes * * DKIOCGETMINSEGMENTALIGNMENTBYTECOUNT get minimum segment alignment in bytes * DKIOCGETMAXSEGMENTADDRESSABLEBITCOUNT get maximum segment width in bits * * DKIOCGETFEATURES get device's feature set * DKIOCGETPHYSICALBLOCKSIZE get device's block size * DKIOCGETCOMMANDPOOLSIZE get device's queue depth */ #define DK_FEATURE_BARRIER 0x00000002 #define DK_FEATURE_PRIORITY 0x00000004 #define DK_FEATURE_UNMAP 0x00000010 #define DK_SYNCHRONIZE_OPTION_BARRIER 0x00000002 typedef struct { uint64_t offset; uint64_t length; } dk_extent_t; typedef struct { char path[128]; } dk_firmware_path_t; typedef struct { uint64_t blockCount; uint32_t blockSize; uint8_t reserved0096[4]; /* reserved, clear to zero */ } dk_format_capacity_t; typedef struct { dk_format_capacity_t * capacities; uint32_t capacitiesCount; /* use zero to probe count */ #ifdef __LP64__ uint8_t reserved0096[4]; /* reserved, clear to zero */ #else /* !__LP64__ */ uint8_t reserved0064[8]; /* reserved, clear to zero */ #endif /* !__LP64__ */ } dk_format_capacities_t; typedef struct { uint64_t offset; uint64_t length; uint32_t options; uint8_t reserved0160[4]; /* reserved, clear to zero */ } dk_synchronize_t; typedef struct { dk_extent_t * extents; uint32_t extentsCount; uint32_t options; #ifndef __LP64__ uint8_t reserved0096[4]; /* reserved, clear to zero */ #endif /* !__LP64__ */ } dk_unmap_t; typedef struct { uint64_t flags; uint64_t hotfile_size; /* in bytes */ uint64_t hibernate_minsize; uint64_t swapfile_pinning; uint64_t padding[4]; } dk_corestorage_info_t; #define DK_CORESTORAGE_PIN_YOUR_METADATA 0x00000001 #define DK_CORESTORAGE_ENABLE_HOTFILES 0x00000002 #define DK_CORESTORAGE_PIN_YOUR_SWAPFILE 0x00000004 #ifdef KERNEL #ifdef PRIVATE /* Definitions of option bits for dk_unmap_t */ #define _DK_UNMAP_INITIALIZE 0x00000100 #endif /* PRIVATE */ #endif /* KERNEL */ #define DKIOCEJECT _IO('d', 21) #define DKIOCSYNCHRONIZE _IOW('d', 22, dk_synchronize_t) #define DKIOCFORMAT _IOW('d', 26, dk_format_capacity_t) #define DKIOCGETFORMATCAPACITIES _IOWR('d', 26, dk_format_capacities_t) #define DKIOCGETBLOCKSIZE _IOR('d', 24, uint32_t) #define DKIOCGETBLOCKCOUNT _IOR('d', 25, uint64_t) #define DKIOCGETFIRMWAREPATH _IOR('d', 28, dk_firmware_path_t) #define DKIOCISFORMATTED _IOR('d', 23, uint32_t) #define DKIOCISWRITABLE _IOR('d', 29, uint32_t) #define DKIOCREQUESTIDLE _IO('d', 30) #define DKIOCUNMAP _IOW('d', 31, dk_unmap_t) #define DKIOCCORESTORAGE _IOR('d', 32, dk_corestorage_info_t) #define DKIOCGETMAXBLOCKCOUNTREAD _IOR('d', 64, uint64_t) #define DKIOCGETMAXBLOCKCOUNTWRITE _IOR('d', 65, uint64_t) #define DKIOCGETMAXBYTECOUNTREAD _IOR('d', 70, uint64_t) #define DKIOCGETMAXBYTECOUNTWRITE _IOR('d', 71, uint64_t) #define DKIOCGETMAXSEGMENTCOUNTREAD _IOR('d', 66, uint64_t) #define DKIOCGETMAXSEGMENTCOUNTWRITE _IOR('d', 67, uint64_t) #define DKIOCGETMAXSEGMENTBYTECOUNTREAD _IOR('d', 68, uint64_t) #define DKIOCGETMAXSEGMENTBYTECOUNTWRITE _IOR('d', 69, uint64_t) #define DKIOCGETMINSEGMENTALIGNMENTBYTECOUNT _IOR('d', 74, uint64_t) #define DKIOCGETMAXSEGMENTADDRESSABLEBITCOUNT _IOR('d', 75, uint64_t) #define DKIOCGETFEATURES _IOR('d', 76, uint32_t) #define DKIOCGETPHYSICALBLOCKSIZE _IOR('d', 77, uint32_t) #define DKIOCGETCOMMANDPOOLSIZE _IOR('d', 78, uint32_t) #define DKIOCSYNCHRONIZECACHE _IO('d', 22) #ifdef KERNEL #define DK_FEATURE_FORCE_UNIT_ACCESS 0x00000001 #define DK_ENCRYPTION_TYPE_AES_CBC 1 #define DK_ENCRYPTION_TYPE_AES_XEX 2 #define DK_ENCRYPTION_TYPE_AES_XTS 3 #define DK_TIER_MASK 0xC0 #define DK_TIER_SHIFT 6 #define DK_TIER_TO_PRIORITY(tier) (((tier) << DK_TIER_SHIFT) | ~DK_TIER_MASK) #define DK_PRIORITY_TO_TIER(priority) ((priority) >> DK_TIER_SHIFT) typedef struct { uint64_t offset; uint64_t length; uint8_t reserved0128[12]; /* reserved, clear to zero */ dev_t dev; } dk_physical_extent_t; typedef struct { dk_extent_t * extents; uint32_t extentsCount; uint8_t tier; #ifdef __LP64__ uint8_t reserved0104[3]; /* reserved, clear to zero */ #else /* !__LP64__ */ uint8_t reserved0072[7]; /* reserved, clear to zero */ #endif /* !__LP64__ */ } dk_set_tier_t; #define DKIOCSETBLOCKSIZE _IOW('d', 24, uint32_t) #define DKIOCGETBSDUNIT _IOR('d', 27, uint32_t) #define DKIOCISSOLIDSTATE _IOR('d', 79, uint32_t) #define DKIOCISVIRTUAL _IOR('d', 72, uint32_t) #define DKIOCGETBASE _IOR('d', 73, uint64_t) #define DKIOCGETTHROTTLEMASK _IOR('d', 80, uint64_t) #define DKIOCLOCKPHYSICALEXTENTS _IO('d', 81) #define DKIOCGETPHYSICALEXTENT _IOWR('d', 82, dk_physical_extent_t) #define DKIOCUNLOCKPHYSICALEXTENTS _IO('d', 83) #define DKIOCSETTIER _IOW('d', 85, dk_set_tier_t) #define DKIOCGETENCRYPTIONTYPE _IOR('d', 86, uint32_t) #define DKIOCISLOWPOWERMODE _IOR('d', 87, uint32_t) #ifdef XNU_KERNEL_PRIVATE typedef struct { boolean_t mi_mdev; /* Is this a memdev device? */ boolean_t mi_phys; /* Physical memory? */ uint32_t mi_base; /* Base page number of the device? */ uint64_t mi_size; /* Size of the device (in ) */ } dk_memdev_info_t; typedef dk_memdev_info_t memdev_info_t; #define DKIOCGETMEMDEVINFO _IOR('d', 90, dk_memdev_info_t) #endif /* XNU_KERNEL_PRIVATE */ #ifdef PRIVATE typedef struct _dk_cs_pin { dk_extent_t cp_extent; int64_t cp_flags; } _dk_cs_pin_t; /* The following are modifiers to _DKIOCCSPINEXTENT/cp_flags operation */ #define _DKIOCCSPINTOFASTMEDIA (0) /* Pin extent to the fast (SSD) media */ #define _DKIOCCSPINFORHIBERNATION (1 << 0) /* Pin of hibernation file, content not preserved */ #define _DKIOCCSPINDISCARDBLACKLIST (1 << 1) /* Hibernation complete/error, stop blacklisting */ #define _DKIOCCSPINTOSLOWMEDIA (1 << 2) /* Pin extent to the slow (HDD) media */ #define _DKIOCCSTEMPORARYPIN (1 << 3) /* Relocate, but do not pin, to indicated media */ #define _DKIOCCSHIBERNATEIMGSIZE (1 << 4) /* Anticipate/Max size of the upcoming hibernate */ #define _DKIOCCSPINFORSWAPFILE (1 << 5) /* Pin of swap file, content not preserved */ #define _DKIOCCSSETLVNAME _IOW('d', 198, char[256]) #define _DKIOCCSPINEXTENT _IOW('d', 199, _dk_cs_pin_t) #define _DKIOCCSUNPINEXTENT _IOW('d', 200, _dk_cs_pin_t) #define _DKIOCGETMIGRATIONUNITBYTESIZE _IOR('d', 201, uint32_t) typedef struct _dk_cs_map { dk_extent_t cm_extent; uint64_t cm_bytes_mapped; } _dk_cs_map_t; typedef struct _dk_cs_unmap { dk_extent_t *extents; uint32_t extentsCount; uint32_t options; } _dk_cs_unmap_t; #define _DKIOCCSMAP _IOWR('d', 202, _dk_cs_map_t) // No longer used: _DKIOCCSSETFSVNODE (203) & _DKIOCCSGETFREEBYTES (204) #define _DKIOCCSUNMAP _IOWR('d', 205, _dk_cs_unmap_t) #endif /* PRIVATE */ #endif /* KERNEL */ #ifdef PRIVATE #endif /* PRIVATE */ #endif /* _SYS_DISK_H_ */ |