iokit/IOKit/IOHibernatePrivate.h

   1 /*
   2  * Copyright (c) 2004 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 #include <stdint.h>
  30
  31 #ifdef __cplusplus
  32 extern "C" {
  33 #endif
  34
  35 #ifdef KERNEL
  36 #include <libkern/crypto/aes.h>
  37 #include <uuid/uuid.h>
  38 #endif
  39
  40 #ifndef __IOKIT_IOHIBERNATEPRIVATE_H
  41 #define __IOKIT_IOHIBERNATEPRIVATE_H
  42
  43 struct IOPolledFileExtent
  44 {
  45     uint64_t    start;
  46     uint64_t    length;
  47 };
  48 typedef struct IOPolledFileExtent IOPolledFileExtent;
  49
  50 struct IOHibernateImageHeader
  51 {
  52     uint64_t    imageSize;
  53     uint64_t    image1Size;
  54
  55     uint32_t    restore1CodePhysPage;
  56     uint32_t    reserved1;
  57     uint64_t    restore1CodeVirt;
  58     uint32_t    restore1PageCount;
  59     uint32_t    restore1CodeOffset;
  60     uint32_t    restore1StackOffset;
  61
  62     uint32_t    pageCount;
  63     uint32_t    bitmapSize;
  64
  65     uint32_t    restore1Sum;
  66     uint32_t    image1Sum;
  67     uint32_t    image2Sum;
  68
  69     uint32_t    actualRestore1Sum;
  70     uint32_t    actualImage1Sum;
  71     uint32_t    actualImage2Sum;
  72
  73     uint32_t    actualUncompressedPages;
  74     uint32_t    conflictCount;
  75     uint32_t    nextFree;
  76
  77     uint32_t    signature;
  78     uint32_t    processorFlags;
  79
  80     uint32_t    runtimePages;
  81     uint32_t    runtimePageCount;
  82     uint64_t    runtimeVirtualPages __attribute__ ((packed));
  83
  84     uint32_t    performanceDataStart;
  85     uint32_t    performanceDataSize;
  86
  87     uint64_t    encryptStart __attribute__ ((packed));
  88     uint64_t    machineSignature __attribute__ ((packed));
  89
  90     uint32_t    previewSize;
  91     uint32_t    previewPageListSize;
  92
  93     uint32_t    diag[4];
  94
  95     uint32_t    handoffPages;
  96     uint32_t    handoffPageCount;
  97
  98     uint32_t    systemTableOffset;
  99
 100     uint32_t    debugFlags;
 101     uint32_t    options;
 102     uint32_t    sleepTime;
 103     uint32_t    compression;
 104
 105     uint32_t    reserved[58];           // make sizeof == 512
 106     uint32_t    booterTime0;
 107     uint32_t    booterTime1;
 108     uint32_t    booterTime2;
 109
 110     uint32_t    booterStart;
 111     uint32_t    smcStart;
 112     uint32_t    connectDisplayTime;
 113     uint32_t    splashTime;
 114     uint32_t    booterTime;
 115     uint32_t    trampolineTime;
 116
 117     uint64_t    encryptEnd __attribute__ ((packed));
 118     uint64_t    deviceBase __attribute__ ((packed));
 119     uint32_t    deviceBlockSize;
 120
 121     uint32_t            fileExtentMapSize;
 122     IOPolledFileExtent  fileExtentMap[2];
 123 };
 124 typedef struct IOHibernateImageHeader IOHibernateImageHeader;
 125
 126 enum
 127 {
 128     kIOHibernateDebugRestoreLogs = 0x00000001
 129 };
 130
 131 // options & IOHibernateOptions property
 132 enum
 133 {
 134     kIOHibernateOptionSSD           = 0x00000001,
 135     kIOHibernateOptionColor         = 0x00000002,
 136     kIOHibernateOptionProgress      = 0x00000004,
 137     kIOHibernateOptionDarkWake      = 0x00000008,
 138 };
 139
 140 struct hibernate_bitmap_t
 141 {
 142     uint32_t    first_page;
 143     uint32_t    last_page;
 144     uint32_t    bitmapwords;
 145     uint32_t    bitmap[0];
 146 };
 147 typedef struct hibernate_bitmap_t hibernate_bitmap_t;
 148
 149 struct hibernate_page_list_t
 150 {
 151     uint32_t              list_size;
 152     uint32_t              page_count;
 153     uint32_t              bank_count;
 154     hibernate_bitmap_t    bank_bitmap[0];
 155 };
 156 typedef struct hibernate_page_list_t hibernate_page_list_t;
 157
 158 #if defined(_AES_H)
 159
 160 struct hibernate_cryptwakevars_t
 161 {
 162     uint8_t aes_iv[AES_BLOCK_SIZE];
 163 };
 164 typedef struct hibernate_cryptwakevars_t hibernate_cryptwakevars_t;
 165
 166 struct hibernate_cryptvars_t
 167 {
 168     uint8_t aes_iv[AES_BLOCK_SIZE];
 169     aes_ctx ctx;
 170 };
 171 typedef struct hibernate_cryptvars_t hibernate_cryptvars_t;
 172
 173 #endif /* defined(_AES_H) */
 174
 175 enum
 176 {
 177     kIOHibernateHandoffType                 = 0x686f0000,
 178     kIOHibernateHandoffTypeEnd              = kIOHibernateHandoffType + 0,
 179     kIOHibernateHandoffTypeGraphicsInfo     = kIOHibernateHandoffType + 1,
 180     kIOHibernateHandoffTypeCryptVars        = kIOHibernateHandoffType + 2,
 181     kIOHibernateHandoffTypeMemoryMap        = kIOHibernateHandoffType + 3,
 182     kIOHibernateHandoffTypeDeviceTree       = kIOHibernateHandoffType + 4,
 183     kIOHibernateHandoffTypeDeviceProperties = kIOHibernateHandoffType + 5,
 184     kIOHibernateHandoffTypeKeyStore         = kIOHibernateHandoffType + 6,
 185 };
 186
 187 struct IOHibernateHandoff
 188 {
 189     uint32_t type;
 190     uint32_t bytecount;
 191     uint8_t  data[];
 192 };
 193 typedef struct IOHibernateHandoff IOHibernateHandoff;
 194
 195 enum
 196 {
 197     kIOHibernateProgressCount         = 19,
 198     kIOHibernateProgressWidth         = 7,
 199     kIOHibernateProgressHeight        = 16,
 200     kIOHibernateProgressSpacing       = 3,
 201     kIOHibernateProgressOriginY       = 81,
 202
 203     kIOHibernateProgressSaveUnderSize = 2*5+14*2,
 204
 205     kIOHibernateProgressLightGray     = 230,
 206     kIOHibernateProgressMidGray       = 174,
 207     kIOHibernateProgressDarkGray      = 92
 208 };
 209
 210 enum
 211 {
 212     kIOHibernatePostWriteSleep   = 0,
 213     kIOHibernatePostWriteWake    = 1,
 214     kIOHibernatePostWriteHalt    = 2,
 215     kIOHibernatePostWriteRestart = 3
 216 };
 217
 218
 219 struct hibernate_graphics_t
 220 {
 221     uint64_t physicalAddress;   // Base address of video memory
 222     int32_t  gfxStatus;         // EFI config restore status
 223     uint32_t rowBytes;                  // Number of bytes per pixel row
 224     uint32_t width;                     // Width
 225     uint32_t height;                    // Height
 226     uint32_t depth;                     // Pixel Depth
 227
 228     uint8_t progressSaveUnder[kIOHibernateProgressCount][kIOHibernateProgressSaveUnderSize];
 229 };
 230 typedef struct hibernate_graphics_t hibernate_graphics_t;
 231
 232 #define DECLARE_IOHIBERNATEPROGRESSALPHA                                \
 233 static const uint8_t gIOHibernateProgressAlpha                  \
 234 [kIOHibernateProgressHeight][kIOHibernateProgressWidth] =       \
 235 {                                                               \
 236     { 0x00,0x63,0xd8,0xf0,0xd8,0x63,0x00 },                     \
 237     { 0x51,0xff,0xff,0xff,0xff,0xff,0x51 },                     \
 238     { 0xae,0xff,0xff,0xff,0xff,0xff,0xae },                     \
 239     { 0xc3,0xff,0xff,0xff,0xff,0xff,0xc3 },                     \
 240     { 0xc3,0xff,0xff,0xff,0xff,0xff,0xc3 },                     \
 241     { 0xc3,0xff,0xff,0xff,0xff,0xff,0xc3 },                     \
 242     { 0xc3,0xff,0xff,0xff,0xff,0xff,0xc3 },                     \
 243     { 0xc3,0xff,0xff,0xff,0xff,0xff,0xc3 },                     \
 244     { 0xc3,0xff,0xff,0xff,0xff,0xff,0xc3 },                     \
 245     { 0xc3,0xff,0xff,0xff,0xff,0xff,0xc3 },                     \
 246     { 0xc3,0xff,0xff,0xff,0xff,0xff,0xc3 },                     \
 247     { 0xc3,0xff,0xff,0xff,0xff,0xff,0xc3 },                     \
 248     { 0xc3,0xff,0xff,0xff,0xff,0xff,0xc3 },                     \
 249     { 0xae,0xff,0xff,0xff,0xff,0xff,0xae },                     \
 250     { 0x54,0xff,0xff,0xff,0xff,0xff,0x54 },                     \
 251     { 0x00,0x66,0xdb,0xf3,0xdb,0x66,0x00 }                      \
 252 };
 253
 254 struct hibernate_preview_t
 255 {
 256     uint32_t  imageCount;       // Number of images
 257     uint32_t  width;            // Width
 258     uint32_t  height;           // Height
 259     uint32_t  depth;            // Pixel Depth
 260     uint32_t  lockTime;     // Lock time
 261     uint32_t  reservedG[8]; // reserved
 262     uint32_t  reservedK[8]; // reserved
 263 };
 264 typedef struct hibernate_preview_t hibernate_preview_t;
 265
 266 struct hibernate_statistics_t
 267 {
 268     uint64_t image1Size;
 269     uint64_t imageSize;
 270     uint32_t image1Pages;
 271     uint32_t imagePages;
 272     uint32_t booterStart;
 273     uint32_t smcStart;
 274     uint32_t booterDuration;
 275     uint32_t booterConnectDisplayDuration;
 276     uint32_t booterSplashDuration;
 277     uint32_t booterDuration0;
 278     uint32_t booterDuration1;
 279     uint32_t booterDuration2;
 280     uint32_t trampolineDuration;
 281     uint32_t kernelImageReadDuration;
 282
 283     uint32_t graphicsReadyTime;
 284     uint32_t wakeNotificationTime;
 285     uint32_t lockScreenReadyTime;
 286     uint32_t hidReadyTime;
 287
 288     uint32_t wakeCapability;
 289     uint32_t resvA[15];
 290 };
 291 typedef struct hibernate_statistics_t hibernate_statistics_t;
 292
 293 #define kIOSysctlHibernateStatistics    "kern.hibernatestatistics"
 294 #define kIOSysctlHibernateGraphicsReady "kern.hibernategraphicsready"
 295 #define kIOSysctlHibernateWakeNotify    "kern.hibernatewakenotification"
 296 #define kIOSysctlHibernateScreenReady   "kern.hibernatelockscreenready"
 297 #define kIOSysctlHibernateHIDReady      "kern.hibernatehidready"
 298
 299 #ifdef KERNEL
 300
 301 #ifdef __cplusplus
 302
 303 void     IOHibernateSystemInit(IOPMrootDomain * rootDomain);
 304
 305 IOReturn IOHibernateSystemSleep(void);
 306 void     IOOpenDebugDataFile(const char *fname, uint64_t size);
 307 void     IOCloseDebugDataFile();
 308 IOReturn IOHibernateIOKitSleep(void);
 309 IOReturn IOHibernateSystemHasSlept(void);
 310 IOReturn IOHibernateSystemWake(void);
 311 IOReturn IOHibernateSystemPostWake(void);
 312 void     IOHibernateSystemPostWakeTrim(void * p1, void * p2);
 313 uint32_t IOHibernateWasScreenLocked(void);
 314 void     IOHibernateSetScreenLocked(uint32_t lockState);
 315 void     IOHibernateSetWakeCapabilities(uint32_t capability);
 316 void     IOHibernateSystemRestart(void);
 317
 318 #endif /* __cplusplus */
 319
 320 void
 321 vm_compressor_do_warmup(void);
 322
 323
 324 hibernate_page_list_t *
 325 hibernate_page_list_allocate(boolean_t log);
 326
 327 kern_return_t
 328 hibernate_alloc_page_lists(
 329                 hibernate_page_list_t ** page_list_ret,
 330                 hibernate_page_list_t ** page_list_wired_ret,
 331                 hibernate_page_list_t ** page_list_pal_ret);
 332
 333 kern_return_t
 334 hibernate_setup(IOHibernateImageHeader * header,
 335                         boolean_t vmflush,
 336                         hibernate_page_list_t * page_list,
 337                         hibernate_page_list_t * page_list_wired,
 338                         hibernate_page_list_t * page_list_pal);
 339
 340 kern_return_t
 341 hibernate_teardown(hibernate_page_list_t * page_list,
 342                     hibernate_page_list_t * page_list_wired,
 343                     hibernate_page_list_t * page_list_pal);
 344
 345 kern_return_t
 346 hibernate_pin_swap(boolean_t begin);
 347
 348 kern_return_t
 349 hibernate_processor_setup(IOHibernateImageHeader * header);
 350
 351 void
 352 hibernate_gobble_pages(uint32_t gobble_count, uint32_t free_page_time);
 353 void
 354 hibernate_free_gobble_pages(void);
 355
 356 void
 357 hibernate_vm_lock_queues(void);
 358 void
 359 hibernate_vm_unlock_queues(void);
 360
 361 void
 362 hibernate_vm_lock(void);
 363 void
 364 hibernate_vm_unlock(void);
 365
 366 // mark pages not to be saved, based on VM system accounting
 367 void
 368 hibernate_page_list_setall(hibernate_page_list_t * page_list,
 369                            hibernate_page_list_t * page_list_wired,
 370                            hibernate_page_list_t * page_list_pal,
 371                            boolean_t preflight,
 372                            boolean_t discard_all,
 373                            uint32_t * pagesOut);
 374
 375 // mark pages to be saved, or pages not to be saved but available
 376 // for scratch usage during restore
 377 void
 378 hibernate_page_list_setall_machine(hibernate_page_list_t * page_list,
 379                                     hibernate_page_list_t * page_list_wired,
 380                                     boolean_t preflight,
 381                                     uint32_t * pagesOut);
 382
 383 // mark pages not to be saved and not for scratch usage during restore
 384 void
 385 hibernate_page_list_set_volatile( hibernate_page_list_t * page_list,
 386                                   hibernate_page_list_t * page_list_wired,
 387                                   uint32_t * pagesOut);
 388
 389 void
 390 hibernate_page_list_discard(hibernate_page_list_t * page_list);
 391
 392 int
 393 hibernate_should_abort(void);
 394
 395 void
 396 hibernate_set_page_state(hibernate_page_list_t * page_list, hibernate_page_list_t * page_list_wired,
 397                                 vm_offset_t ppnum, vm_offset_t count, uint32_t kind);
 398
 399 void
 400 hibernate_page_bitset(hibernate_page_list_t * list, boolean_t set, uint32_t page);
 401
 402 boolean_t
 403 hibernate_page_bittst(hibernate_page_list_t * list, uint32_t page);
 404
 405 hibernate_bitmap_t *
 406 hibernate_page_bitmap_pin(hibernate_page_list_t * list, uint32_t * page);
 407
 408 uint32_t
 409 hibernate_page_bitmap_count(hibernate_bitmap_t * bitmap, uint32_t set, uint32_t page);
 410
 411 uintptr_t
 412 hibernate_restore_phys_page(uint64_t src, uint64_t dst, uint32_t len, uint32_t procFlags);
 413
 414 void
 415 hibernate_machine_init(void);
 416
 417 uint32_t
 418 hibernate_write_image(void);
 419
 420 long
 421 hibernate_machine_entrypoint(uint32_t p1, uint32_t p2, uint32_t p3, uint32_t p4);
 422 long
 423 hibernate_kernel_entrypoint(uint32_t p1, uint32_t p2, uint32_t p3, uint32_t p4);
 424 void
 425 hibernate_newruntime_map(void * map, vm_size_t map_size,
 426                             uint32_t system_table_offset);
 427
 428
 429 extern uint32_t    gIOHibernateState;
 430 extern uint32_t    gIOHibernateMode;
 431 extern uint32_t    gIOHibernateDebugFlags;
 432 extern uint32_t    gIOHibernateFreeTime;        // max time to spend freeing pages (ms)
 433 extern boolean_t   gIOHibernateStandbyDisabled;
 434 extern uint8_t     gIOHibernateRestoreStack[];
 435 extern uint8_t     gIOHibernateRestoreStackEnd[];
 436 extern IOHibernateImageHeader *    gIOHibernateCurrentHeader;
 437
 438 #define HIBLOG(fmt, args...)    \
 439     { kprintf(fmt, ## args); printf(fmt, ## args); }
 440
 441 #define HIBPRINT(fmt, args...)  \
 442     { kprintf(fmt, ## args); }
 443
 444 #endif /* KERNEL */
 445
 446 // gIOHibernateState, kIOHibernateStateKey
 447 enum
 448 {
 449     kIOHibernateStateInactive            = 0,
 450     kIOHibernateStateHibernating         = 1,   /* writing image */
 451     kIOHibernateStateWakingFromHibernate = 2    /* booted and restored image */
 452 };
 453
 454 // gIOHibernateMode, kIOHibernateModeKey
 455 enum
 456 {
 457     kIOHibernateModeOn      = 0x00000001,
 458     kIOHibernateModeSleep   = 0x00000002,
 459     kIOHibernateModeEncrypt = 0x00000004,
 460     kIOHibernateModeDiscardCleanInactive = 0x00000008,
 461     kIOHibernateModeDiscardCleanActive   = 0x00000010,
 462     kIOHibernateModeSwitch      = 0x00000020,
 463     kIOHibernateModeRestart     = 0x00000040,
 464     kIOHibernateModeSSDInvert   = 0x00000080,
 465     kIOHibernateModeFileResize  = 0x00000100,
 466 };
 467
 468 // IOHibernateImageHeader.signature
 469 enum
 470 {
 471     kIOHibernateHeaderSignature        = 0x73696d65,
 472     kIOHibernateHeaderInvalidSignature = 0x7a7a7a7a,
 473     kIOHibernateHeaderOpenSignature    = 0xf1e0be9d,
 474     kIOHibernateHeaderDebugDataSignature = 0xfcddfcdd
 475 };
 476
 477 // kind for hibernate_set_page_state()
 478 enum
 479 {
 480     kIOHibernatePageStateFree        = 0,
 481     kIOHibernatePageStateWiredSave   = 1,
 482     kIOHibernatePageStateUnwiredSave = 2
 483 };
 484
 485 #define kIOHibernateModeKey             "Hibernate Mode"
 486 #define kIOHibernateFileKey             "Hibernate File"
 487 #define kIOHibernateFileMinSizeKey      "Hibernate File Min"
 488 #define kIOHibernateFileMaxSizeKey      "Hibernate File Max"
 489 #define kIOHibernateFreeRatioKey        "Hibernate Free Ratio"
 490 #define kIOHibernateFreeTimeKey         "Hibernate Free Time"
 491
 492 #define kIOHibernateStateKey            "IOHibernateState"
 493 #define kIOHibernateFeatureKey          "Hibernation"
 494 #define kIOHibernatePreviewBufferKey    "IOPreviewBuffer"
 495
 496 #ifndef kIOHibernatePreviewActiveKey
 497 #define kIOHibernatePreviewActiveKey    "IOHibernatePreviewActive"
 498 // values for kIOHibernatePreviewActiveKey
 499 enum {
 500     kIOHibernatePreviewActive  = 0x00000001,
 501     kIOHibernatePreviewUpdates = 0x00000002
 502 };
 503 #endif
 504
 505 #define kIOHibernateOptionsKey      "IOHibernateOptions"
 506 #define kIOHibernateGfxStatusKey    "IOHibernateGfxStatus"
 507 enum {
 508     kIOHibernateGfxStatusUnknown = ((int32_t) 0xFFFFFFFF)
 509 };
 510
 511 #define kIOHibernateBootImageKey        "boot-image"
 512 #define kIOHibernateBootImageKeyKey     "boot-image-key"
 513 #define kIOHibernateBootSignatureKey    "boot-signature"
 514
 515 #define kIOHibernateMemorySignatureKey    "memory-signature"
 516 #define kIOHibernateMemorySignatureEnvKey "mem-sig"
 517 #define kIOHibernateMachineSignatureKey   "machine-signature"
 518
 519 #define kIOHibernateRTCVariablesKey     "IOHibernateRTCVariables"
 520 #define kIOHibernateSMCVariablesKey     "IOHibernateSMCVariables"
 521
 522 #define kIOHibernateBootSwitchVarsKey   "boot-switch-vars"
 523
 524 #define kIOHibernateBootNoteKey         "boot-note"
 525
 526
 527 #define kIOHibernateUseKernelInterpreter    0x80000000
 528
 529 enum
 530 {
 531         kIOPreviewImageIndexDesktop = 0,
 532         kIOPreviewImageIndexLockScreen = 1,
 533         kIOPreviewImageCount = 2
 534 };
 535
 536 enum
 537 {
 538         kIOScreenLockNoLock          = 1,
 539         kIOScreenLockUnlocked        = 2,
 540         kIOScreenLockLocked          = 3,
 541         kIOScreenLockFileVaultDialog = 4,
 542 };
 543
 544 #define kIOScreenLockStateKey       "IOScreenLockState"
 545 #define kIOBooterScreenLockStateKey "IOBooterScreenLockState"
 546
 547 #endif /* ! __IOKIT_IOHIBERNATEPRIVATE_H */
 548
 549 #ifdef __cplusplus
 550 }
 551 #endif