/*
- * Copyright (c) 2004-2008 Apple Computer, Inc. All rights reserved.
+ * Copyright (c) 2004-2016 Apple 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
* 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,
* 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@
*/
-
/*
Sleep:
by hibernate_page_list_setall(), avoiding having to find arch dependent low level bits.
The image header and block list are written. The header includes the second file extent so
only the header block is needed to read the file, regardless of filesystem.
- The kernel section "__HIB" is written uncompressed to the image. This section of code and data
+ The kernel segment "__HIB" is written uncompressed to the image. This segment of code and data
(only) is used to decompress the image during wake/boot.
Some additional pages are removed from the bitmaps - the buffers used for hibernation.
The bitmaps are written to the image.
More areas are removed from the bitmaps (after they have been written to the image) - the
- section "__HIB" pages and interrupt stack.
+ segment "__HIB" pages and interrupt stack.
Each wired page is compressed and written and then each non-wired page. Compression and
disk writes are in parallel.
The image header is written to the start of the file and the polling driver closed.
#include "IOPMPowerStateQueue.h"
#include <IOKit/IOBufferMemoryDescriptor.h>
#include <IOKit/AppleKeyStoreInterface.h>
-#include <crypto/aes.h>
+#include <libkern/crypto/aes.h>
#include <sys/uio.h>
#include <sys/conf.h>
#include <sys/fcntl.h> // (FWRITE, ...)
#include <sys/sysctl.h>
#include <sys/kdebug.h>
+#include <stdint.h>
#include <IOKit/IOHibernatePrivate.h>
#include <IOKit/IOPolledInterface.h>
#include <IOKit/IONVRAM.h>
#include "IOHibernateInternal.h"
-#include <libkern/WKdm.h>
+#include <vm/WKdm_new.h>
+#include <vm/vm_protos.h>
#include "IOKitKernelInternal.h"
#include <pexpert/device_tree.h>
#include <machine/pal_routines.h>
#include <machine/pal_hibernate.h>
+#include <i386/tsc.h>
+#include <i386/cpuid.h>
extern "C" addr64_t kvtophys(vm_offset_t va);
+extern "C" ppnum_t pmap_find_phys(pmap_t pmap, addr64_t va);
/* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */
+#define DISABLE_TRIM 0
+#define TRIM_DELAY 25000
+
extern unsigned int save_kdebug_enable;
extern uint32_t gIOHibernateState;
uint32_t gIOHibernateMode;
static char gIOHibernateBootSignature[256+1];
static char gIOHibernateFilename[MAXPATHLEN+1];
-static uint32_t gIOHibernateFreeRatio = 0; // free page target (percent)
-uint32_t gIOHibernateFreeTime = 0*1000; // max time to spend freeing pages (ms)
+static uint32_t gIOHibernateFreeRatio = 0; // free page target (percent)
+uint32_t gIOHibernateFreeTime = 0*1000; // max time to spend freeing pages (ms)
+static uint64_t gIOHibernateCompression = 0x80; // default compression 50%
+boolean_t gIOHibernateStandbyDisabled;
static IODTNVRAM * gIOOptionsEntry;
static IORegistryEntry * gIOChosenEntry;
+
+static const OSSymbol * gIOHibernateBootImageKey;
+
#if defined(__i386__) || defined(__x86_64__)
-static const OSSymbol * gIOCreateEFIDevicePathSymbol;
+
static const OSSymbol * gIOHibernateRTCVariablesKey;
static const OSSymbol * gIOHibernateBoot0082Key;
static const OSSymbol * gIOHibernateBootNextKey;
static OSData * gIOHibernateBoot0082Data;
static OSData * gIOHibernateBootNextData;
static OSObject * gIOHibernateBootNextSave;
-#endif
+static IOPolledFileIOVars * gDebugImageFileVars;
+static IOLock * gDebugImageLock;
+
+#endif /* defined(__i386__) || defined(__x86_64__) */
+
+static IOLock * gFSLock;
+static uint32_t gFSState;
+static thread_call_t gIOHibernateTrimCalloutEntry;
static IOPolledFileIOVars gFileVars;
static IOHibernateVars gIOHibernateVars;
-static struct kern_direct_file_io_ref_t * gIOHibernateFileRef;
-static hibernate_cryptvars_t gIOHibernateCryptWakeContext;
+static IOPolledFileCryptVars gIOHibernateCryptWakeContext;
static hibernate_graphics_t _hibernateGraphics;
static hibernate_graphics_t * gIOHibernateGraphicsInfo = &_hibernateGraphics;
+static hibernate_statistics_t _hibernateStats;
+static hibernate_statistics_t * gIOHibernateStats = &_hibernateStats;
-/* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */
-
-enum { kXPRamAudioVolume = 8 };
-enum { kDefaultIOSize = 128 * 1024 };
-enum { kVideoMapSize = 32 * 1024 * 1024 };
-
-#ifndef kIOMediaPreferredBlockSizeKey
-#define kIOMediaPreferredBlockSizeKey "Preferred Block Size"
-#endif
+enum
+{
+ kFSIdle = 0,
+ kFSOpening = 2,
+ kFSOpened = 3,
+ kFSTimedOut = 4,
+ kFSTrimDelay = 5
+};
-#ifndef kIOBootPathKey
-#define kIOBootPathKey "bootpath"
-#endif
-#ifndef kIOSelectedBootDeviceKey
-#define kIOSelectedBootDeviceKey "boot-device"
-#endif
+static IOReturn IOHibernateDone(IOHibernateVars * vars);
+static IOReturn IOWriteExtentsToFile(IOPolledFileIOVars * vars, uint32_t signature);
+static void IOSetBootImageNVRAM(OSData * data);
+/* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */
-enum { kIOHibernateMinPollersNeeded = 2 };
+enum { kDefaultIOSize = 128 * 1024 };
+enum { kVideoMapSize = 80 * 1024 * 1024 };
/* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */
/* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */
-static IOReturn
-IOHibernatePollerProbe(IOPolledFileIOVars * vars, IOService * target)
-{
- IOReturn err = kIOReturnError;
- int32_t idx;
- IOPolledInterface * poller;
-
- for (idx = vars->pollers->getCount() - 1; idx >= 0; idx--)
- {
- poller = (IOPolledInterface *) vars->pollers->getObject(idx);
- err = poller->probe(target);
- if (err)
- {
- HIBLOG("IOPolledInterface::probe[%d] 0x%x\n", idx, err);
- break;
- }
- }
-
- return (err);
-}
-
-static IOReturn
-IOHibernatePollerOpen(IOPolledFileIOVars * vars, uint32_t state, IOMemoryDescriptor * md)
-{
- IOReturn err = kIOReturnError;
- int32_t idx;
- IOPolledInterface * poller;
-
- for (idx = vars->pollers->getCount() - 1; idx >= 0; idx--)
- {
- poller = (IOPolledInterface *) vars->pollers->getObject(idx);
- err = poller->open(state, md);
- if (err)
- {
- HIBLOG("IOPolledInterface::open[%d] 0x%x\n", idx, err);
- break;
- }
- }
-
- return (err);
-}
-
-static IOReturn
-IOHibernatePollerClose(IOPolledFileIOVars * vars, uint32_t state)
-{
- IOReturn err = kIOReturnError;
- int32_t idx;
- IOPolledInterface * poller;
-
- for (idx = 0;
- (poller = (IOPolledInterface *) vars->pollers->getObject(idx));
- idx++)
- {
- err = poller->close(state);
- if (err)
- HIBLOG("IOPolledInterface::close[%d] 0x%x\n", idx, err);
- }
-
- return (err);
-}
-
-static void
-IOHibernatePollerIOComplete(void * target,
- void * parameter,
- IOReturn status,
- UInt64 actualByteCount)
-{
- IOPolledFileIOVars * vars = (IOPolledFileIOVars *) parameter;
-
- vars->ioStatus = status;
-}
-
-static IOReturn
-IOHibernatePollerIO(IOPolledFileIOVars * vars,
- uint32_t operation, uint32_t bufferOffset,
- uint64_t deviceOffset, uint64_t length)
-{
-
- IOReturn err = kIOReturnError;
- IOPolledInterface * poller;
- IOPolledCompletion completion;
-
- completion.target = 0;
- completion.action = &IOHibernatePollerIOComplete;
- completion.parameter = vars;
-
- vars->ioStatus = -1;
-
- poller = (IOPolledInterface *) vars->pollers->getObject(0);
- err = poller->startIO(operation, bufferOffset, deviceOffset + vars->block0, length, completion);
- if (err)
- HIBLOG("IOPolledInterface::startIO[%d] 0x%x\n", 0, err);
-
- return (err);
-}
-
-static IOReturn
-IOHibernatePollerIODone(IOPolledFileIOVars * vars, bool abortable)
-{
- IOReturn err = kIOReturnSuccess;
- int32_t idx = 0;
- IOPolledInterface * poller;
-
- while (-1 == vars->ioStatus)
- {
- for (idx = 0;
- (poller = (IOPolledInterface *) vars->pollers->getObject(idx));
- idx++)
- {
- IOReturn newErr;
- newErr = poller->checkForWork();
- if ((newErr == kIOReturnAborted) && !abortable)
- newErr = kIOReturnSuccess;
- if (kIOReturnSuccess == err)
- err = newErr;
- }
- }
-
- if ((kIOReturnSuccess == err) && abortable && hibernate_should_abort())
- {
- err = kIOReturnAborted;
- HIBLOG("IOPolledInterface::checkForWork sw abort\n");
- }
-
- if (err)
- {
- HIBLOG("IOPolledInterface::checkForWork[%d] 0x%x\n", idx, err);
- }
- else
- {
- err = vars->ioStatus;
- if (kIOReturnSuccess != err)
- HIBLOG("IOPolledInterface::ioStatus 0x%x\n", err);
- }
-
- return (err);
-}
-
-IOReturn
-IOPolledInterface::checkAllForWork(void)
-{
- IOReturn err = kIOReturnNotReady;
- int32_t idx;
- IOPolledInterface * poller;
-
- IOHibernateVars * vars = &gIOHibernateVars;
-
- if (!vars->fileVars || !vars->fileVars->pollers)
- return (err);
-
- for (idx = 0;
- (poller = (IOPolledInterface *) vars->fileVars->pollers->getObject(idx));
- idx++)
- {
- err = poller->checkForWork();
- if (err)
- HIBLOG("IOPolledInterface::checkAllForWork[%d] 0x%x\n", idx, err);
- }
-
- return (err);
-}
-
-/* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */
-
-struct _OpenFileContext
-{
- OSData * extents;
- uint64_t size;
-};
-
-static void
-file_extent_callback(void * ref, uint64_t start, uint64_t length)
-{
- _OpenFileContext * ctx = (_OpenFileContext *) ref;
- IOPolledFileExtent extent;
-
- extent.start = start;
- extent.length = length;
-
- ctx->extents->appendBytes(&extent, sizeof(extent));
- ctx->size += length;
-}
-
-static IOService *
-IOCopyMediaForDev(dev_t device)
-{
- OSDictionary * matching;
- OSNumber * num;
- OSIterator * iter;
- IOService * result = 0;
-
- matching = IOService::serviceMatching("IOMedia");
- if (!matching)
- return (0);
- do
- {
- num = OSNumber::withNumber(major(device), 32);
- if (!num)
- break;
- matching->setObject(kIOBSDMajorKey, num);
- num->release();
- num = OSNumber::withNumber(minor(device), 32);
- if (!num)
- break;
- matching->setObject(kIOBSDMinorKey, num);
- num->release();
- if (!num)
- break;
- iter = IOService::getMatchingServices(matching);
- if (iter)
- {
- result = (IOService *) iter->getNextObject();
- result->retain();
- iter->release();
- }
- }
- while (false);
- matching->release();
-
- return (result);
-}
-
-IOReturn
-IOPolledFileOpen( const char * filename, IOBufferMemoryDescriptor * ioBuffer,
- IOPolledFileIOVars ** fileVars, OSData ** fileExtents,
- OSData ** imagePath, uint8_t * volumeCryptKey)
-{
- IOReturn err = kIOReturnError;
- IOPolledFileIOVars * vars;
- _OpenFileContext ctx;
- OSData * extentsData;
- OSNumber * num;
- IOService * part = 0;
- OSString * keyUUID = 0;
- OSString * keyStoreUUID = 0;
- dev_t block_dev;
- dev_t hibernate_image_dev;
- uint64_t maxiobytes;
-
- vars = &gFileVars;
- do
- {
- HIBLOG("sizeof(IOHibernateImageHeader) == %ld\n", sizeof(IOHibernateImageHeader));
- if (sizeof(IOHibernateImageHeader) != 512)
- continue;
-
- vars->io = false;
- vars->buffer = (uint8_t *) ioBuffer->getBytesNoCopy();
- vars->bufferHalf = 0;
- vars->bufferOffset = 0;
- vars->bufferSize = ioBuffer->getLength() >> 1;
-
- extentsData = OSData::withCapacity(32);
-
- ctx.extents = extentsData;
- ctx.size = 0;
- vars->fileRef = kern_open_file_for_direct_io(filename,
- &file_extent_callback, &ctx,
- &block_dev,
- &hibernate_image_dev,
- &vars->block0,
- &maxiobytes,
- &vars->flags,
- 0, (caddr_t) gIOHibernateCurrentHeader,
- sizeof(IOHibernateImageHeader));
- if (!vars->fileRef)
- {
- err = kIOReturnNoSpace;
- break;
- }
- gIOHibernateFileRef = vars->fileRef;
-
- if (kIOHibernateModeSSDInvert & gIOHibernateMode)
- vars->flags ^= kIOHibernateOptionSSD;
-
- HIBLOG("Opened file %s, size %qd, partition base 0x%qx, maxio %qx ssd %d\n", filename, ctx.size,
- vars->block0, maxiobytes, kIOHibernateOptionSSD & vars->flags);
- if (ctx.size < 1*1024*1024) // check against image size estimate!
- {
- err = kIOReturnNoSpace;
- break;
- }
-
- if (maxiobytes < vars->bufferSize)
- vars->bufferSize = maxiobytes;
-
- vars->extentMap = (IOPolledFileExtent *) extentsData->getBytesNoCopy();
-
- part = IOCopyMediaForDev(block_dev);
- if (!part)
- break;
-
- err = part->callPlatformFunction(PLATFORM_FUNCTION_GET_MEDIA_ENCRYPTION_KEY_UUID, false,
- (void *) &keyUUID, (void *) &keyStoreUUID, NULL, NULL);
- if ((kIOReturnSuccess == err) && keyUUID && keyStoreUUID)
- {
-// IOLog("got volume key %s\n", keyStoreUUID->getCStringNoCopy());
- uuid_t volumeKeyUUID;
- aks_volume_key_t vek;
- static IOService * sKeyStore;
- static const OSSymbol * sAKSGetKey;
-
- if (!sAKSGetKey)
- sAKSGetKey = OSSymbol::withCStringNoCopy(AKS_PLATFORM_FUNCTION_GETKEY);
- if (!sKeyStore)
- sKeyStore = (IOService *) IORegistryEntry::fromPath(AKS_SERVICE_PATH, gIOServicePlane);
- if (sKeyStore)
- err = uuid_parse(keyStoreUUID->getCStringNoCopy(), volumeKeyUUID);
- else
- err = kIOReturnNoResources;
- if (kIOReturnSuccess == err)
- err = sKeyStore->callPlatformFunction(sAKSGetKey, true, volumeKeyUUID, &vek, NULL, NULL);
- if (kIOReturnSuccess != err)
- IOLog("volume key err 0x%x\n", err);
- else
- {
- size_t bytes = (kIOHibernateAESKeySize / 8);
- if (vek.key.keybytecount < bytes)
- bytes = vek.key.keybytecount;
- bcopy(&vek.key.keybytes[0], volumeCryptKey, bytes);
- }
- bzero(&vek, sizeof(vek));
- }
- part->release();
-
- part = IOCopyMediaForDev(hibernate_image_dev);
- if (!part)
- break;
-
- IORegistryEntry * next;
- IORegistryEntry * child;
- OSData * data;
-
- vars->pollers = OSArray::withCapacity(4);
- if (!vars->pollers)
- break;
-
- vars->blockSize = 512;
- next = part;
- do
- {
- IOPolledInterface * poller;
- OSObject * obj;
-
- obj = next->getProperty(kIOPolledInterfaceSupportKey);
- if (kOSBooleanFalse == obj)
- {
- vars->pollers->flushCollection();
- break;
- }
- else if ((poller = OSDynamicCast(IOPolledInterface, obj)))
- vars->pollers->setObject(poller);
- if ((num = OSDynamicCast(OSNumber, next->getProperty(kIOMediaPreferredBlockSizeKey))))
- vars->blockSize = num->unsigned32BitValue();
- child = next;
- }
- while ((next = child->getParentEntry(gIOServicePlane))
- && child->isParent(next, gIOServicePlane, true));
-
- HIBLOG("hibernate image major %d, minor %d, blocksize %ld, pollers %d\n",
- major(hibernate_image_dev), minor(hibernate_image_dev), (long)vars->blockSize, vars->pollers->getCount());
- if (vars->pollers->getCount() < kIOHibernateMinPollersNeeded)
- continue;
-
- err = IOHibernatePollerProbe(vars, (IOService *) part);
- if (kIOReturnSuccess != err)
- break;
-
- err = IOHibernatePollerOpen(vars, kIOPolledPreflightState, ioBuffer);
- if (kIOReturnSuccess != err)
- break;
-
- *fileVars = vars;
- *fileExtents = extentsData;
-
- // make imagePath
-
- if ((extentsData->getLength() >= sizeof(IOPolledFileExtent)))
- {
- char str2[24 + sizeof(uuid_string_t) + 2];
-
-#if defined(__i386__) || defined(__x86_64__)
- if (!gIOCreateEFIDevicePathSymbol)
- gIOCreateEFIDevicePathSymbol = OSSymbol::withCString("CreateEFIDevicePath");
-
- if (keyUUID)
- snprintf(str2, sizeof(str2), "%qx:%s",
- vars->extentMap[0].start, keyUUID->getCStringNoCopy());
- else
- snprintf(str2, sizeof(str2), "%qx", vars->extentMap[0].start);
-
- err = IOService::getPlatform()->callPlatformFunction(
- gIOCreateEFIDevicePathSymbol, false,
- (void *) part, (void *) str2,
- (void *) (uintptr_t) true, (void *) &data);
-#else
- char str1[256];
- int len = sizeof(str1);
-
- if (!part->getPath(str1, &len, gIODTPlane))
- err = kIOReturnNotFound;
- else
- {
- snprintf(str2, sizeof(str2), ",%qx", vars->extentMap[0].start);
- // (strip the plane name)
- char * tail = strchr(str1, ':');
- if (!tail)
- tail = str1 - 1;
- data = OSData::withBytes(tail + 1, strlen(tail + 1));
- data->appendBytes(str2, strlen(str2));
- }
-#endif
- if (kIOReturnSuccess == err)
- *imagePath = data;
- else
- HIBLOG("error 0x%x getting path\n", err);
- }
- }
- while (false);
-
- if (kIOReturnSuccess != err)
- {
- HIBLOG("error 0x%x opening hibernation file\n", err);
- if (vars->fileRef)
- {
- kern_close_file_for_direct_io(vars->fileRef, 0, 0, 0, 0, 0);
- gIOHibernateFileRef = vars->fileRef = NULL;
- }
- }
-
- if (part)
- part->release();
-
- return (err);
-}
-
-IOReturn
-IOPolledFileClose( IOPolledFileIOVars * vars )
-{
- if (vars->pollers)
- {
- IOHibernatePollerClose(vars, kIOPolledPostflightState);
- vars->pollers->release();
- }
-
- bzero(vars, sizeof(IOPolledFileIOVars));
-
- return (kIOReturnSuccess);
-}
-
-static IOReturn
-IOPolledFileSeek(IOPolledFileIOVars * vars, uint64_t position)
-{
- IOPolledFileExtent * extentMap;
-
- extentMap = vars->extentMap;
-
- vars->position = position;
-
- while (position >= extentMap->length)
- {
- position -= extentMap->length;
- extentMap++;
- }
-
- vars->currentExtent = extentMap;
- vars->extentRemaining = extentMap->length - position;
- vars->extentPosition = vars->position - position;
-
- if (vars->bufferSize <= vars->extentRemaining)
- vars->bufferLimit = vars->bufferSize;
- else
- vars->bufferLimit = vars->extentRemaining;
-
- return (kIOReturnSuccess);
-}
-
-static IOReturn
-IOPolledFileWrite(IOPolledFileIOVars * vars,
- const uint8_t * bytes, IOByteCount size,
- hibernate_cryptvars_t * cryptvars)
-{
- IOReturn err = kIOReturnSuccess;
- IOByteCount copy;
- bool flush = false;
-
- do
- {
- if (!bytes && !size)
- {
- // seek to end of block & flush
- size = vars->position & (vars->blockSize - 1);
- if (size)
- size = vars->blockSize - size;
- flush = true;
- // use some garbage for the fill
- bytes = vars->buffer + vars->bufferOffset;
- }
-
- copy = vars->bufferLimit - vars->bufferOffset;
- if (copy > size)
- copy = size;
- else
- flush = true;
-
- if (bytes)
- {
- bcopy(bytes, vars->buffer + vars->bufferHalf + vars->bufferOffset, copy);
- bytes += copy;
- }
- else
- bzero(vars->buffer + vars->bufferHalf + vars->bufferOffset, copy);
-
- size -= copy;
- vars->bufferOffset += copy;
- vars->position += copy;
-
- if (flush && vars->bufferOffset)
- {
- uint64_t offset = (vars->position - vars->bufferOffset
- - vars->extentPosition + vars->currentExtent->start);
- uint32_t length = (vars->bufferOffset);
-
-#if CRYPTO
- if (cryptvars && vars->encryptStart
- && (vars->position > vars->encryptStart)
- && ((vars->position - length) < vars->encryptEnd))
- {
- AbsoluteTime startTime, endTime;
-
- uint64_t encryptLen, encryptStart;
- encryptLen = vars->position - vars->encryptStart;
- if (encryptLen > length)
- encryptLen = length;
- encryptStart = length - encryptLen;
- if (vars->position > vars->encryptEnd)
- encryptLen -= (vars->position - vars->encryptEnd);
-
- clock_get_uptime(&startTime);
-
- // encrypt the buffer
- aes_encrypt_cbc(vars->buffer + vars->bufferHalf + encryptStart,
- &cryptvars->aes_iv[0],
- encryptLen / AES_BLOCK_SIZE,
- vars->buffer + vars->bufferHalf + encryptStart,
- &cryptvars->ctx.encrypt);
-
- clock_get_uptime(&endTime);
- ADD_ABSOLUTETIME(&vars->cryptTime, &endTime);
- SUB_ABSOLUTETIME(&vars->cryptTime, &startTime);
- vars->cryptBytes += encryptLen;
-
- // save initial vector for following encrypts
- bcopy(vars->buffer + vars->bufferHalf + encryptStart + encryptLen - AES_BLOCK_SIZE,
- &cryptvars->aes_iv[0],
- AES_BLOCK_SIZE);
- }
-#endif /* CRYPTO */
-
- if (vars->io)
- {
- err = IOHibernatePollerIODone(vars, true);
- if (kIOReturnSuccess != err)
- break;
- }
-
-if (vars->position & (vars->blockSize - 1)) HIBLOG("misaligned file pos %qx\n", vars->position);
-//if (length != vars->bufferSize) HIBLOG("short write of %qx ends@ %qx\n", length, offset + length);
-
- err = IOHibernatePollerIO(vars, kIOPolledWrite, vars->bufferHalf, offset, length);
- if (kIOReturnSuccess != err)
- break;
- vars->io = true;
-
- vars->extentRemaining -= vars->bufferOffset;
- if (!vars->extentRemaining)
- {
- vars->currentExtent++;
- vars->extentRemaining = vars->currentExtent->length;
- vars->extentPosition = vars->position;
- if (!vars->extentRemaining)
- {
- err = kIOReturnOverrun;
- break;
- }
- }
-
- vars->bufferHalf = vars->bufferHalf ? 0 : vars->bufferSize;
- vars->bufferOffset = 0;
- if (vars->bufferSize <= vars->extentRemaining)
- vars->bufferLimit = vars->bufferSize;
- else
- vars->bufferLimit = vars->extentRemaining;
-
- flush = false;
- }
- }
- while (size);
-
- return (err);
-}
-
-static IOReturn
-IOPolledFileRead(IOPolledFileIOVars * vars,
- uint8_t * bytes, IOByteCount size,
- hibernate_cryptvars_t * cryptvars)
-{
- IOReturn err = kIOReturnSuccess;
- IOByteCount copy;
-
-// bytesWritten += size;
-
- do
- {
- copy = vars->bufferLimit - vars->bufferOffset;
- if (copy > size)
- copy = size;
-
- if (bytes)
- {
- bcopy(vars->buffer + vars->bufferHalf + vars->bufferOffset, bytes, copy);
- bytes += copy;
- }
- size -= copy;
- vars->bufferOffset += copy;
-// vars->position += copy;
-
- if ((vars->bufferOffset == vars->bufferLimit) && (vars->position < vars->readEnd))
- {
- if (vars->io)
- {
- err = IOHibernatePollerIODone(vars, false);
- if (kIOReturnSuccess != err)
- break;
- }
- else
- cryptvars = 0;
-
-if (vars->position & (vars->blockSize - 1)) HIBLOG("misaligned file pos %qx\n", vars->position);
-
- vars->position += vars->lastRead;
- vars->extentRemaining -= vars->lastRead;
- vars->bufferLimit = vars->lastRead;
-
- if (!vars->extentRemaining)
- {
- vars->currentExtent++;
- vars->extentRemaining = vars->currentExtent->length;
- vars->extentPosition = vars->position;
- if (!vars->extentRemaining)
- {
- err = kIOReturnOverrun;
- break;
- }
- }
-
- uint64_t length;
- uint64_t lastReadLength = vars->lastRead;
- uint64_t offset = (vars->position
- - vars->extentPosition + vars->currentExtent->start);
- if (vars->extentRemaining <= vars->bufferSize)
- length = vars->extentRemaining;
- else
- length = vars->bufferSize;
- if ((length + vars->position) > vars->readEnd)
- length = vars->readEnd - vars->position;
-
- vars->lastRead = length;
- if (length)
- {
-//if (length != vars->bufferSize) HIBLOG("short read of %qx ends@ %qx\n", length, offset + length);
- err = IOHibernatePollerIO(vars, kIOPolledRead, vars->bufferHalf, offset, length);
- if (kIOReturnSuccess != err)
- break;
- vars->io = true;
- }
-
- vars->bufferHalf = vars->bufferHalf ? 0 : vars->bufferSize;
- vars->bufferOffset = 0;
-
-#if CRYPTO
- if (cryptvars)
- {
- uint8_t thisVector[AES_BLOCK_SIZE];
- AbsoluteTime startTime, endTime;
-
- // save initial vector for following decrypts
- bcopy(&cryptvars->aes_iv[0], &thisVector[0], AES_BLOCK_SIZE);
- bcopy(vars->buffer + vars->bufferHalf + lastReadLength - AES_BLOCK_SIZE,
- &cryptvars->aes_iv[0], AES_BLOCK_SIZE);
-
- // decrypt the buffer
- clock_get_uptime(&startTime);
-
- aes_decrypt_cbc(vars->buffer + vars->bufferHalf,
- &thisVector[0],
- lastReadLength / AES_BLOCK_SIZE,
- vars->buffer + vars->bufferHalf,
- &cryptvars->ctx.decrypt);
-
- clock_get_uptime(&endTime);
- ADD_ABSOLUTETIME(&vars->cryptTime, &endTime);
- SUB_ABSOLUTETIME(&vars->cryptTime, &startTime);
- vars->cryptBytes += lastReadLength;
- }
-#endif /* CRYPTO */
- }
- }
- while (size);
-
- return (err);
-}
-
-/* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */
-
IOReturn
IOHibernateSystemSleep(void)
{
IOReturn err;
- OSData * data;
+ OSData * nvramData;
OSObject * obj;
OSString * str;
- bool dsSSD;
-
- IOHibernateVars * vars = &gIOHibernateVars;
-
- if (vars->fileVars && vars->fileVars->fileRef)
- // already on the way down
- return (kIOReturnSuccess);
+ OSNumber * num;
+ bool dsSSD, vmflush, swapPinned;
+ IOHibernateVars * vars;
+ uint64_t setFileSize = 0;
gIOHibernateState = kIOHibernateStateInactive;
HIBLOG("hibernate image path: %s\n", gIOHibernateFilename);
+ vars = IONew(IOHibernateVars, 1);
+ if (!vars) return (kIOReturnNoMemory);
+ bzero(vars, sizeof(*vars));
+
+ IOLockLock(gFSLock);
+ if (!gIOHibernateTrimCalloutEntry)
+ {
+ gIOHibernateTrimCalloutEntry = thread_call_allocate(&IOHibernateSystemPostWakeTrim, &gFSLock);
+ }
+ IOHibernateSystemPostWakeTrim(NULL, NULL);
+ if (kFSIdle != gFSState)
+ {
+ HIBLOG("hibernate file busy\n");
+ IOLockUnlock(gFSLock);
+ IODelete(vars, IOHibernateVars, 1);
+ return (kIOReturnBusy);
+ }
+ gFSState = kFSOpening;
+ IOLockUnlock(gFSLock);
+ swapPinned = false;
do
{
vars->srcBuffer = IOBufferMemoryDescriptor::withOptions(kIODirectionOutIn,
- 4 * page_size, page_size);
- vars->ioBuffer = IOBufferMemoryDescriptor::withOptions(kIODirectionOutIn,
- 2 * kDefaultIOSize, page_size);
+ 2 * page_size + WKdm_SCRATCH_BUF_SIZE_INTERNAL, page_size);
vars->handoffBuffer = IOBufferMemoryDescriptor::withOptions(kIODirectionOutIn,
ptoa_64(gIOHibernateHandoffPageCount), page_size);
- if (!vars->srcBuffer || !vars->ioBuffer || !vars->handoffBuffer)
+ if (!vars->srcBuffer || !vars->handoffBuffer)
{
err = kIOReturnNoMemory;
break;
}
- // open & invalidate the image file
- gIOHibernateCurrentHeader->signature = kIOHibernateHeaderInvalidSignature;
- err = IOPolledFileOpen(gIOHibernateFilename, vars->ioBuffer,
- &vars->fileVars, &vars->fileExtents, &data,
- &vars->volumeCryptKey[0]);
- if (KERN_SUCCESS != err)
- {
- HIBLOG("IOPolledFileOpen(%x)\n", err);
- break;
- }
+ if ((obj = IOService::getPMRootDomain()->copyProperty(kIOHibernateFileMinSizeKey)))
+ {
+ if ((num = OSDynamicCast(OSNumber, obj))) vars->fileMinSize = num->unsigned64BitValue();
+ obj->release();
+ }
+ if ((obj = IOService::getPMRootDomain()->copyProperty(kIOHibernateFileMaxSizeKey)))
+ {
+ if ((num = OSDynamicCast(OSNumber, obj))) vars->fileMaxSize = num->unsigned64BitValue();
+ obj->release();
+ }
+
+ boolean_t encryptedswap = true;
+ uint32_t pageCount;
+ AbsoluteTime startTime, endTime;
+ uint64_t nsec;
bzero(gIOHibernateCurrentHeader, sizeof(IOHibernateImageHeader));
gIOHibernateCurrentHeader->debugFlags = gIOHibernateDebugFlags;
- dsSSD = ((0 != (kIOHibernateOptionSSD & vars->fileVars->flags))
- && (kOSBooleanTrue == IOService::getPMRootDomain()->getProperty(kIOPMDeepSleepEnabledKey)));
- if (dsSSD)
- {
- gIOHibernateCurrentHeader->options |=
- kIOHibernateOptionSSD
- | kIOHibernateOptionColor;
+ gIOHibernateCurrentHeader->signature = kIOHibernateHeaderInvalidSignature;
-#if defined(__i386__) || defined(__x86_64__)
- if (!uuid_is_null(vars->volumeCryptKey) &&
- (kOSBooleanTrue != IOService::getPMRootDomain()->getProperty(kIOPMDestroyFVKeyOnStandbyKey)))
- {
- uintptr_t smcVars[2];
- smcVars[0] = sizeof(vars->volumeCryptKey);
- smcVars[1] = (uintptr_t)(void *) &vars->volumeCryptKey[0];
+ vmflush = ((kOSBooleanTrue == IOService::getPMRootDomain()->getProperty(kIOPMDeepSleepEnabledKey)));
+ err = hibernate_alloc_page_lists(&vars->page_list,
+ &vars->page_list_wired,
+ &vars->page_list_pal);
+ if (KERN_SUCCESS != err) break;
- IOService::getPMRootDomain()->setProperty(kIOHibernateSMCVariablesKey, smcVars, sizeof(smcVars));
- bzero(smcVars, sizeof(smcVars));
- }
-#endif
+ err = hibernate_pin_swap(TRUE);
+ if (KERN_SUCCESS != err) break;
+ swapPinned = true;
+
+ if (vars->fileMinSize || (kIOHibernateModeFileResize & gIOHibernateMode))
+ {
+ hibernate_page_list_setall(vars->page_list,
+ vars->page_list_wired,
+ vars->page_list_pal,
+ true /* preflight */,
+ vmflush /* discard */,
+ &pageCount);
+ PE_Video consoleInfo;
+ bzero(&consoleInfo, sizeof(consoleInfo));
+ IOService::getPlatform()->getConsoleInfo(&consoleInfo);
+
+ // estimate: 6% increase in pages compressed
+ // screen preview 2 images compressed 0%
+ setFileSize = ((ptoa_64((106 * pageCount) / 100) * gIOHibernateCompression) >> 8)
+ + vars->page_list->list_size
+ + (consoleInfo.v_width * consoleInfo.v_height * 8);
+ enum { setFileRound = 1024*1024ULL };
+ setFileSize = ((setFileSize + setFileRound) & ~(setFileRound - 1));
+
+ HIBLOG("hibernate_page_list_setall preflight pageCount %d est comp %qd setfile %qd min %qd\n",
+ pageCount, (100ULL * gIOHibernateCompression) >> 8,
+ setFileSize, vars->fileMinSize);
+
+ if (!(kIOHibernateModeFileResize & gIOHibernateMode)
+ && (setFileSize < vars->fileMinSize))
+ {
+ setFileSize = vars->fileMinSize;
+ }
+ }
+
+ // Invalidate the image file
+ if (gDebugImageLock) {
+ IOLockLock(gDebugImageLock);
+ if (gDebugImageFileVars != 0) {
+ IOSetBootImageNVRAM(0);
+ IOPolledFileClose(&gDebugImageFileVars, 0, 0, 0, 0, 0);
}
- else
+ IOLockUnlock(gDebugImageLock);
+ }
+
+ err = IOPolledFileOpen(gIOHibernateFilename, setFileSize, 0,
+ gIOHibernateCurrentHeader, sizeof(gIOHibernateCurrentHeader),
+ &vars->fileVars, &nvramData,
+ &vars->volumeCryptKey[0], sizeof(vars->volumeCryptKey));
+
+ if (KERN_SUCCESS != err)
{
- gIOHibernateCurrentHeader->options |= kIOHibernateOptionProgress;
+ IOLockLock(gFSLock);
+ if (kFSOpening != gFSState) err = kIOReturnTimeout;
+ IOLockUnlock(gFSLock);
+ }
+
+ if (KERN_SUCCESS != err)
+ {
+ HIBLOG("IOPolledFileOpen(%x)\n", err);
+ break;
}
- boolean_t encryptedswap;
- AbsoluteTime startTime, endTime;
- uint64_t nsec;
+ // write extents for debug data usage in EFI
+ IOWriteExtentsToFile(vars->fileVars, kIOHibernateHeaderOpenSignature);
+
+ err = IOPolledFilePollersSetup(vars->fileVars, kIOPolledPreflightState);
+ if (KERN_SUCCESS != err) break;
clock_get_uptime(&startTime);
err = hibernate_setup(gIOHibernateCurrentHeader,
- gIOHibernateFreeRatio, gIOHibernateFreeTime,
- dsSSD,
- &vars->page_list, &vars->page_list_wired, &vars->page_list_pal, &encryptedswap);
+ vmflush,
+ vars->page_list, vars->page_list_wired, vars->page_list_pal);
clock_get_uptime(&endTime);
SUB_ABSOLUTETIME(&endTime, &startTime);
absolutetime_to_nanoseconds(endTime, &nsec);
- HIBLOG("hibernate_setup(%d) took %qd ms\n", err, nsec / 1000000ULL);
- if (KERN_SUCCESS != err)
- break;
+ boolean_t haveSwapPin, hibFileSSD;
+ haveSwapPin = vm_swap_files_pinned();
+
+ hibFileSSD = (kIOPolledFileSSD & vars->fileVars->flags);
+
+ HIBLOG("hibernate_setup(%d) took %qd ms, swapPin(%d) ssd(%d)\n",
+ err, nsec / 1000000ULL,
+ haveSwapPin, hibFileSSD);
+ if (KERN_SUCCESS != err) break;
+
+ gIOHibernateStandbyDisabled = ((!haveSwapPin || !hibFileSSD));
+
+ dsSSD = ((0 != (kIOPolledFileSSD & vars->fileVars->flags))
+ && (kOSBooleanTrue == IOService::getPMRootDomain()->getProperty(kIOPMDeepSleepEnabledKey)));
+
+ if (dsSSD) gIOHibernateCurrentHeader->options |= kIOHibernateOptionSSD | kIOHibernateOptionColor;
+ else gIOHibernateCurrentHeader->options |= kIOHibernateOptionProgress;
+
+
+#if defined(__i386__) || defined(__x86_64__)
+ if (!uuid_is_null(vars->volumeCryptKey) &&
+ (kOSBooleanTrue != IOService::getPMRootDomain()->getProperty(kIOPMDestroyFVKeyOnStandbyKey)))
+ {
+ uintptr_t smcVars[2];
+ smcVars[0] = sizeof(vars->volumeCryptKey);
+ smcVars[1] = (uintptr_t)(void *) &gIOHibernateVars.volumeCryptKey[0];
+
+ IOService::getPMRootDomain()->setProperty(kIOHibernateSMCVariablesKey, smcVars, sizeof(smcVars));
+ bzero(smcVars, sizeof(smcVars));
+ }
+#endif
+
if (encryptedswap || !uuid_is_null(vars->volumeCryptKey))
gIOHibernateMode ^= kIOHibernateModeEncrypt;
if (kIOHibernateOptionProgress & gIOHibernateCurrentHeader->options)
{
vars->videoAllocSize = kVideoMapSize;
- if (KERN_SUCCESS != kmem_alloc_pageable(kernel_map, &vars->videoMapping, vars->videoAllocSize))
+ if (KERN_SUCCESS != kmem_alloc_pageable(kernel_map, &vars->videoMapping, vars->videoAllocSize, VM_KERN_MEMORY_IOKIT))
vars->videoMapping = 0;
}
// set nvram
- IORegistryEntry * regEntry;
- if (!gIOOptionsEntry)
- {
- regEntry = IORegistryEntry::fromPath("/options", gIODTPlane);
- gIOOptionsEntry = OSDynamicCast(IODTNVRAM, regEntry);
- if (regEntry && !gIOOptionsEntry)
- regEntry->release();
- }
- if (!gIOChosenEntry)
- gIOChosenEntry = IORegistryEntry::fromPath("/chosen", gIODTPlane);
-
- if (gIOOptionsEntry)
- {
- const OSSymbol * sym;
-
- sym = OSSymbol::withCStringNoCopy(kIOHibernateBootImageKey);
- if (sym)
- {
- gIOOptionsEntry->setProperty(sym, data);
- sym->release();
- }
- data->release();
+ IOSetBootImageNVRAM(nvramData);
+ nvramData->release();
#if defined(__i386__) || defined(__x86_64__)
+ {
struct AppleRTCHibernateVars
{
uint8_t signature[4];
uint8_t wiredCryptKey[16];
};
AppleRTCHibernateVars rtcVars;
+ OSData * data;
rtcVars.signature[0] = 'A';
rtcVars.signature[1] = 'A';
(c = gIOHibernateBootSignature[i]) && (i < (sizeof(rtcVars.booterSignature) << 1));
i++)
{
- if (c >= 'a')
- c -= 'a' - 10;
- else if (c >= 'A')
- c -= 'A' - 10;
- else if (c >= '0')
- c -= '0';
- else
- continue;
+ if (c >= 'a') c -= 'a' - 10;
+ else if (c >= 'A') c -= 'A' - 10;
+ else if (c >= '0') c -= '0';
+ else continue;
value = (value << 4) | c;
- if (i & 1)
- rtcVars.booterSignature[i >> 1] = value;
+ if (i & 1) rtcVars.booterSignature[i >> 1] = value;
}
}
data = OSData::withBytes(&rtcVars, sizeof(rtcVars));
if (data)
{
- if (!gIOHibernateRTCVariablesKey)
- gIOHibernateRTCVariablesKey = OSSymbol::withCStringNoCopy(kIOHibernateRTCVariablesKey);
if (gIOHibernateRTCVariablesKey)
IOService::getPMRootDomain()->setProperty(gIOHibernateRTCVariablesKey, data);
-
- if( gIOOptionsEntry )
- {
- if( gIOHibernateMode & kIOHibernateModeSwitch )
- {
- const OSSymbol *sym;
- sym = OSSymbol::withCStringNoCopy(kIOHibernateBootSwitchVarsKey);
- if( sym )
- {
- gIOOptionsEntry->setProperty(sym, data); /* intentional insecure backup of rtc boot vars */
- sym->release();
- }
- }
- }
-
data->release();
}
if (gIOChosenEntry)
{
data = OSDynamicCast(OSData, gIOChosenEntry->getProperty(kIOHibernateMachineSignatureKey));
- if (data)
- gIOHibernateCurrentHeader->machineSignature = *((UInt32 *)data->getBytesNoCopy());
+ if (data) gIOHibernateCurrentHeader->machineSignature = *((UInt32 *)data->getBytesNoCopy());
+ // set BootNext
+ if (!gIOHibernateBoot0082Data)
+ {
+ data = OSDynamicCast(OSData, gIOChosenEntry->getProperty("boot-device-path"));
+ if (data)
+ {
+ // AppleNVRAM_EFI_LOAD_OPTION
+ struct {
+ uint32_t Attributes;
+ uint16_t FilePathLength;
+ uint16_t Desc;
+ } loadOptionHeader;
+ loadOptionHeader.Attributes = 1;
+ loadOptionHeader.FilePathLength = data->getLength();
+ loadOptionHeader.Desc = 0;
+ gIOHibernateBoot0082Data = OSData::withCapacity(sizeof(loadOptionHeader) + loadOptionHeader.FilePathLength);
+ if (gIOHibernateBoot0082Data)
+ {
+ gIOHibernateBoot0082Data->appendBytes(&loadOptionHeader, sizeof(loadOptionHeader));
+ gIOHibernateBoot0082Data->appendBytes(data);
+ }
+ }
+ }
+ if (!gIOHibernateBootNextData)
{
- // set BootNext
+ uint16_t bits = 0x0082;
+ gIOHibernateBootNextData = OSData::withBytes(&bits, sizeof(bits));
+ }
+ if (gIOHibernateBoot0082Key && gIOHibernateBoot0082Data && gIOHibernateBootNextKey && gIOHibernateBootNextData)
+ {
+ gIOHibernateBootNextSave = gIOOptionsEntry->copyProperty(gIOHibernateBootNextKey);
+ gIOOptionsEntry->setProperty(gIOHibernateBoot0082Key, gIOHibernateBoot0082Data);
+ gIOOptionsEntry->setProperty(gIOHibernateBootNextKey, gIOHibernateBootNextData);
+ }
+ // BootNext
+ }
+ }
+#endif /* !i386 && !x86_64 */
+ }
+ while (false);
+
+ if (swapPinned) hibernate_pin_swap(FALSE);
+
+ IOLockLock(gFSLock);
+ if ((kIOReturnSuccess == err) && (kFSOpening != gFSState))
+ {
+ HIBLOG("hibernate file close due timeout\n");
+ err = kIOReturnTimeout;
+ }
+ if (kIOReturnSuccess == err)
+ {
+ gFSState = kFSOpened;
+ gIOHibernateVars = *vars;
+ gFileVars = *vars->fileVars;
+ gFileVars.allocated = false;
+ gIOHibernateVars.fileVars = &gFileVars;
+ gIOHibernateCurrentHeader->signature = kIOHibernateHeaderSignature;
+ gIOHibernateState = kIOHibernateStateHibernating;
+ }
+ else
+ {
+ IOPolledFileIOVars * fileVars = vars->fileVars;
+ IOHibernateDone(vars);
+ IOPolledFileClose(&fileVars,
+#if DISABLE_TRIM
+ 0, NULL, 0, 0, 0);
+#else
+ 0, NULL, 0, sizeof(IOHibernateImageHeader), setFileSize);
+#endif
+ gFSState = kFSIdle;
+ }
+ IOLockUnlock(gFSLock);
+
+ if (vars->fileVars) IODelete(vars->fileVars, IOPolledFileIOVars, 1);
+ IODelete(vars, IOHibernateVars, 1);
+
+ return (err);
+}
+
+/* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */
+
+static void
+IOSetBootImageNVRAM(OSData * data)
+{
+ IORegistryEntry * regEntry;
+
+ if (!gIOOptionsEntry)
+ {
+ regEntry = IORegistryEntry::fromPath("/options", gIODTPlane);
+ gIOOptionsEntry = OSDynamicCast(IODTNVRAM, regEntry);
+ if (regEntry && !gIOOptionsEntry)
+ regEntry->release();
+ }
+ if (gIOOptionsEntry && gIOHibernateBootImageKey)
+ {
+ if (data) gIOOptionsEntry->setProperty(gIOHibernateBootImageKey, data);
+ else
+ {
+ gIOOptionsEntry->removeProperty(gIOHibernateBootImageKey);
+ gIOOptionsEntry->sync();
+ }
+ }
+}
+
+/* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */
+/*
+ * Writes header to disk with signature, block size and file extents data.
+ * If there are more than 2 extents, then they are written on second block.
+ */
+static IOReturn
+IOWriteExtentsToFile(IOPolledFileIOVars * vars, uint32_t signature)
+{
+ IOHibernateImageHeader hdr;
+ IOItemCount count;
+ IOReturn err = kIOReturnSuccess;
+ int rc;
+ IOPolledFileExtent * fileExtents;
+
+ fileExtents = (typeof(fileExtents)) vars->fileExtents->getBytesNoCopy();
+
+ memset(&hdr, 0, sizeof(IOHibernateImageHeader));
+ count = vars->fileExtents->getLength();
+ if (count > sizeof(hdr.fileExtentMap))
+ {
+ hdr.fileExtentMapSize = count;
+ count = sizeof(hdr.fileExtentMap);
+ }
+ else
+ hdr.fileExtentMapSize = sizeof(hdr.fileExtentMap);
+
+ bcopy(fileExtents, &hdr.fileExtentMap[0], count);
+
+ // copy file block extent list if larger than header
+ if (hdr.fileExtentMapSize > sizeof(hdr.fileExtentMap))
+ {
+ count = hdr.fileExtentMapSize - sizeof(hdr.fileExtentMap);
+ rc = kern_write_file(vars->fileRef, vars->blockSize,
+ (caddr_t)(((uint8_t *)fileExtents) + sizeof(hdr.fileExtentMap)),
+ count, IO_SKIP_ENCRYPTION);
+ if (rc != 0) {
+ HIBLOG("kern_write_file returned %d\n", rc);
+ err = kIOReturnIOError;
+ goto exit;
+ }
+ }
+ hdr.signature = signature;
+ hdr.deviceBlockSize = vars->blockSize;
+
+ rc = kern_write_file(vars->fileRef, 0, (char *)&hdr, sizeof(hdr), IO_SKIP_ENCRYPTION);
+ if (rc != 0) {
+ HIBLOG("kern_write_file returned %d\n", rc);
+ err = kIOReturnIOError;
+ goto exit;
+ }
+
+exit:
+ return err;
+}
+
+extern "C" boolean_t root_is_CF_drive;
+
+void
+IOOpenDebugDataFile(const char *fname, uint64_t size)
+{
+ IOReturn err;
+ OSData * imagePath = NULL;
+ uint64_t padding;
+
+ if (!gDebugImageLock) {
+ gDebugImageLock = IOLockAlloc();
+ }
+
+ if (root_is_CF_drive) return;
+
+ // Try to get a lock, but don't block for getting lock
+ if (!IOLockTryLock(gDebugImageLock)) {
+ HIBLOG("IOOpenDebugDataFile: Failed to get lock\n");
+ return;
+ }
+
+ if (gDebugImageFileVars || !fname || !size) {
+ HIBLOG("IOOpenDebugDataFile: conditions failed\n");
+ goto exit;
+ }
+
+ padding = (PAGE_SIZE*2); // allocate couple more pages for header and fileextents
+ err = IOPolledFileOpen(fname, size+padding, 32ULL*1024*1024*1024,
+ NULL, 0,
+ &gDebugImageFileVars, &imagePath, NULL, 0);
+
+ if ((kIOReturnSuccess == err) && imagePath)
+ {
+ if ((gDebugImageFileVars->fileSize < (size+padding)) ||
+ (gDebugImageFileVars->fileExtents->getLength() > PAGE_SIZE)) {
+ // Can't use the file
+ IOPolledFileClose(&gDebugImageFileVars, 0, 0, 0, 0, 0);
+ HIBLOG("IOOpenDebugDataFile: too many file extents\n");
+ goto exit;
+ }
- if (!gIOHibernateBoot0082Data)
- {
- data = OSDynamicCast(OSData, gIOChosenEntry->getProperty("boot-device-path"));
- if (data)
- {
- // AppleNVRAM_EFI_LOAD_OPTION
- struct {
- uint32_t Attributes;
- uint16_t FilePathLength;
- uint16_t Desc;
- } loadOptionHeader;
- loadOptionHeader.Attributes = 1;
- loadOptionHeader.FilePathLength = data->getLength();
- loadOptionHeader.Desc = 0;
- gIOHibernateBoot0082Data = OSData::withCapacity(sizeof(loadOptionHeader) + loadOptionHeader.FilePathLength);
- if (gIOHibernateBoot0082Data)
- {
- gIOHibernateBoot0082Data->appendBytes(&loadOptionHeader, sizeof(loadOptionHeader));
- gIOHibernateBoot0082Data->appendBytes(data);
- }
- }
- }
- if (!gIOHibernateBoot0082Key)
- gIOHibernateBoot0082Key = OSSymbol::withCString("8BE4DF61-93CA-11D2-AA0D-00E098032B8C:Boot0082");
- if (!gIOHibernateBootNextKey)
- gIOHibernateBootNextKey = OSSymbol::withCString("8BE4DF61-93CA-11D2-AA0D-00E098032B8C:BootNext");
- if (!gIOHibernateBootNextData)
- {
- uint16_t bits = 0x0082;
- gIOHibernateBootNextData = OSData::withBytes(&bits, sizeof(bits));
- }
- if (gIOHibernateBoot0082Key && gIOHibernateBoot0082Data && gIOHibernateBootNextKey && gIOHibernateBootNextData)
- {
- gIOHibernateBootNextSave = gIOOptionsEntry->copyProperty(gIOHibernateBootNextKey);
- gIOOptionsEntry->setProperty(gIOHibernateBoot0082Key, gIOHibernateBoot0082Data);
- gIOOptionsEntry->setProperty(gIOHibernateBootNextKey, gIOHibernateBootNextData);
- }
- }
- }
-#else /* !i386 && !x86_64 */
- if (kIOHibernateModeEncrypt & gIOHibernateMode)
- {
- data = OSData::withBytes(&vars->wiredCryptKey[0], sizeof(vars->wiredCryptKey));
- sym = OSSymbol::withCStringNoCopy(kIOHibernateBootImageKeyKey);
- if (sym && data)
- gIOOptionsEntry->setProperty(sym, data);
- if (sym)
- sym->release();
- if (data)
- data->release();
- if (false && gIOHibernateBootSignature[0])
- {
- data = OSData::withCapacity(16);
- sym = OSSymbol::withCStringNoCopy(kIOHibernateBootSignatureKey);
- if (sym && data)
- {
- char c;
- uint8_t value = 0;
- for (uint32_t i = 0; (c = gIOHibernateBootSignature[i]); i++)
- {
- if (c >= 'a')
- c -= 'a' - 10;
- else if (c >= 'A')
- c -= 'A' - 10;
- else if (c >= '0')
- c -= '0';
- else
- continue;
- value = (value << 4) | c;
- if (i & 1)
- data->appendBytes(&value, sizeof(value));
- }
- gIOOptionsEntry->setProperty(sym, data);
- }
- if (sym)
- sym->release();
- if (data)
- data->release();
- }
- }
- if (!vars->haveFastBoot)
- {
- // set boot volume to zero
- IODTPlatformExpert * platform = OSDynamicCast(IODTPlatformExpert, IOService::getPlatform());
- if (platform && (kIOReturnSuccess == platform->readXPRAM(kXPRamAudioVolume,
- &vars->saveBootAudioVolume, sizeof(vars->saveBootAudioVolume))))
- {
- uint8_t newVolume;
- newVolume = vars->saveBootAudioVolume & 0xf8;
- platform->writeXPRAM(kXPRamAudioVolume,
- &newVolume, sizeof(newVolume));
- }
- }
-#endif /* !i386 && !x86_64 */
- }
- // --
+ // write extents for debug data usage in EFI
+ IOWriteExtentsToFile(gDebugImageFileVars, kIOHibernateHeaderOpenSignature);
+ IOSetBootImageNVRAM(imagePath);
+ }
- gIOHibernateCurrentHeader->signature = kIOHibernateHeaderSignature;
- gIOHibernateState = kIOHibernateStateHibernating;
+exit:
+ IOLockUnlock(gDebugImageLock);
+
+ if (imagePath) imagePath->release();
+ return;
+}
+
+void
+IOCloseDebugDataFile()
+{
+ IOSetBootImageNVRAM(0);
+
+ if (gDebugImageLock) {
+ IOLockLock(gDebugImageLock);
+ if (gDebugImageFileVars != 0) {
+ IOPolledFileClose(&gDebugImageFileVars, 0, 0, 0, 0, 0);
+ }
+ IOLockUnlock(gDebugImageLock);
}
- while (false);
- return (err);
+
}
/* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */
/* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */
+IOReturn
+IOHibernateIOKitSleep(void)
+{
+ IOReturn ret = kIOReturnSuccess;
+ IOLockLock(gFSLock);
+ if (kFSOpening == gFSState)
+ {
+ gFSState = kFSTimedOut;
+ HIBLOG("hibernate file open timed out\n");
+ ret = kIOReturnTimeout;
+ }
+ IOLockUnlock(gFSLock);
+ return (ret);
+}
+
+/* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */
+
IOReturn
IOHibernateSystemHasSlept(void)
{
+ IOReturn ret = kIOReturnSuccess;
IOHibernateVars * vars = &gIOHibernateVars;
- OSObject * obj;
+ OSObject * obj = 0;
OSData * data;
- obj = IOService::getPMRootDomain()->copyProperty(kIOHibernatePreviewBufferKey);
+ IOLockLock(gFSLock);
+ if ((kFSOpened != gFSState) && gIOHibernateMode)
+ {
+ ret = kIOReturnTimeout;
+ }
+ IOLockUnlock(gFSLock);
+ if (kIOReturnSuccess != ret) return (ret);
+
+ if (gIOHibernateMode) obj = IOService::getPMRootDomain()->copyProperty(kIOHibernatePreviewBufferKey);
vars->previewBuffer = OSDynamicCast(IOMemoryDescriptor, obj);
if (obj && !vars->previewBuffer)
obj->release();
if (gIOOptionsEntry)
gIOOptionsEntry->sync();
- return (kIOReturnSuccess);
+ return (ret);
}
/* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */
IOReturn
IOHibernateSystemWake(void)
{
- IOHibernateVars * vars = &gIOHibernateVars;
+ if (kFSOpened == gFSState)
+ {
+ IOPolledFilePollersClose(gIOHibernateVars.fileVars, kIOPolledPostflightState);
+ IOHibernateDone(&gIOHibernateVars);
+ }
+ else
+ {
+ IOService::getPMRootDomain()->removeProperty(kIOHibernateOptionsKey);
+ IOService::getPMRootDomain()->removeProperty(kIOHibernateGfxStatusKey);
+ }
+ return (kIOReturnSuccess);
+}
- hibernate_teardown(vars->page_list, vars->page_list_wired);
+static IOReturn
+IOHibernateDone(IOHibernateVars * vars)
+{
+ hibernate_teardown(vars->page_list, vars->page_list_wired, vars->page_list_pal);
if (vars->videoMapping)
{
IOService::getPMRootDomain()->removeProperty(kIOHibernateGfxStatusKey);
}
-
- if (vars->fileVars)
- {
- IOPolledFileClose(vars->fileVars);
- }
-
// invalidate nvram properties - (gIOOptionsEntry != 0) => nvram was touched
#if defined(__i386__) || defined(__x86_64__)
else
gIOOptionsEntry->removeProperty(gIOHibernateBootNextKey);
}
- gIOOptionsEntry->sync();
+ if (kIOHibernateStateWakingFromHibernate != gIOHibernateState) gIOOptionsEntry->sync();
}
#endif
- if (vars->srcBuffer)
- vars->srcBuffer->release();
- if (vars->ioBuffer)
- vars->ioBuffer->release();
+ if (vars->srcBuffer) vars->srcBuffer->release();
bzero(&gIOHibernateHandoffPages[0], gIOHibernateHandoffPageCount * sizeof(gIOHibernateHandoffPages[0]));
- if (vars->handoffBuffer && (kIOHibernateStateWakingFromHibernate == gIOHibernateState))
+ if (vars->handoffBuffer)
{
- IOHibernateHandoff * handoff;
- bool done = false;
- for (handoff = (IOHibernateHandoff *) vars->handoffBuffer->getBytesNoCopy();
- !done;
- handoff = (IOHibernateHandoff *) &handoff->data[handoff->bytecount])
+ if (kIOHibernateStateWakingFromHibernate == gIOHibernateState)
{
- HIBPRINT("handoff %p, %x, %x\n", handoff, handoff->type, handoff->bytecount);
- uint8_t * data = &handoff->data[0];
- switch (handoff->type)
+ IOHibernateHandoff * handoff;
+ bool done = false;
+ for (handoff = (IOHibernateHandoff *) vars->handoffBuffer->getBytesNoCopy();
+ !done;
+ handoff = (IOHibernateHandoff *) &handoff->data[handoff->bytecount])
{
- case kIOHibernateHandoffTypeEnd:
- done = true;
- break;
+ HIBPRINT("handoff %p, %x, %x\n", handoff, handoff->type, handoff->bytecount);
+ uint8_t * data = &handoff->data[0];
+ switch (handoff->type)
+ {
+ case kIOHibernateHandoffTypeEnd:
+ done = true;
+ break;
- case kIOHibernateHandoffTypeDeviceTree:
- MergeDeviceTree((DeviceTreeNode *) data, IOService::getServiceRoot());
- break;
-
- case kIOHibernateHandoffTypeKeyStore:
+ case kIOHibernateHandoffTypeDeviceTree:
+ MergeDeviceTree((DeviceTreeNode *) data, IOService::getServiceRoot());
+ break;
+
+ case kIOHibernateHandoffTypeKeyStore:
#if defined(__i386__) || defined(__x86_64__)
- {
- IOBufferMemoryDescriptor *
- md = IOBufferMemoryDescriptor::withBytes(data, handoff->bytecount, kIODirectionOutIn);
- if (md)
{
- IOSetKeyStoreData(md);
+ IOBufferMemoryDescriptor *
+ md = IOBufferMemoryDescriptor::withBytes(data, handoff->bytecount, kIODirectionOutIn);
+ if (md)
+ {
+ IOSetKeyStoreData(md);
+ }
}
- }
#endif
- break;
-
- default:
- done = (kIOHibernateHandoffType != (handoff->type & 0xFFFF0000));
- break;
- }
+ break;
+
+ default:
+ done = (kIOHibernateHandoffType != (handoff->type & 0xFFFF0000));
+ break;
+ }
+ }
}
vars->handoffBuffer->release();
}
- if (vars->fileExtents)
- vars->fileExtents->release();
bzero(vars, sizeof(*vars));
return (kIOReturnSuccess);
}
+void
+IOHibernateSystemPostWakeTrim(void * p1, void * p2)
+{
+ // invalidate & close the image file
+ if (p1) IOLockLock(gFSLock);
+ if (kFSTrimDelay == gFSState)
+ {
+ IOPolledFileIOVars * vars = &gFileVars;
+ IOPolledFileClose(&vars,
+#if DISABLE_TRIM
+ 0, NULL, 0, 0, 0);
+#else
+ 0, (caddr_t)gIOHibernateCurrentHeader, sizeof(IOHibernateImageHeader),
+ sizeof(IOHibernateImageHeader), gIOHibernateCurrentHeader->imageSize);
+#endif
+ gFSState = kFSIdle;
+ }
+ if (p1) IOLockUnlock(gFSLock);
+}
+
IOReturn
IOHibernateSystemPostWake(void)
{
- if (gIOHibernateFileRef)
+ gIOHibernateCurrentHeader->signature = kIOHibernateHeaderInvalidSignature;
+ IOLockLock(gFSLock);
+ if (kFSTrimDelay == gFSState) IOHibernateSystemPostWakeTrim(NULL, NULL);
+ else if (kFSOpened != gFSState) gFSState = kFSIdle;
+ else
{
- // invalidate & close the image file
- gIOHibernateCurrentHeader->signature = kIOHibernateHeaderInvalidSignature;
- kern_close_file_for_direct_io(gIOHibernateFileRef,
- 0, (caddr_t) gIOHibernateCurrentHeader,
- sizeof(IOHibernateImageHeader),
- sizeof(IOHibernateImageHeader),
- gIOHibernateCurrentHeader->imageSize);
- gIOHibernateFileRef = 0;
+ AbsoluteTime deadline;
+
+ gFSState = kFSTrimDelay;
+ clock_interval_to_deadline(TRIM_DELAY, kMillisecondScale, &deadline );
+ thread_call_enter1_delayed(gIOHibernateTrimCalloutEntry, NULL, deadline);
}
+ IOLockUnlock(gFSLock);
+
+ // IOCloseDebugDataFile() calls IOSetBootImageNVRAM() unconditionally
+ IOCloseDebugDataFile( );
return (kIOReturnSuccess);
}
+uint32_t IOHibernateWasScreenLocked(void)
+{
+ uint32_t ret = 0;
+ if ((kIOHibernateStateWakingFromHibernate == gIOHibernateState) && gIOChosenEntry)
+ {
+ OSData *
+ data = OSDynamicCast(OSData, gIOChosenEntry->getProperty(kIOScreenLockStateKey));
+ if (data)
+ {
+ ret = ((uint32_t *)data->getBytesNoCopy())[0];
+ gIOChosenEntry->setProperty(kIOBooterScreenLockStateKey, data);
+ }
+ }
+ else gIOChosenEntry->removeProperty(kIOBooterScreenLockStateKey);
+
+ return (ret);
+}
+
/* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */
SYSCTL_STRING(_kern, OID_AUTO, hibernatefile,
SYSCTL_UINT(_kern, OID_AUTO, hibernatemode,
CTLFLAG_RW | CTLFLAG_NOAUTO | CTLFLAG_KERN | CTLFLAG_LOCKED,
&gIOHibernateMode, 0, "");
+SYSCTL_STRUCT(_kern, OID_AUTO, hibernatestatistics,
+ CTLTYPE_STRUCT | CTLFLAG_RD | CTLFLAG_NOAUTO | CTLFLAG_KERN | CTLFLAG_LOCKED,
+ &_hibernateStats, hibernate_statistics_t, "");
+
+SYSCTL_UINT(_kern, OID_AUTO, hibernategraphicsready,
+ CTLFLAG_RW | CTLFLAG_NOAUTO | CTLFLAG_KERN | CTLFLAG_ANYBODY,
+ &_hibernateStats.graphicsReadyTime, 0, "");
+SYSCTL_UINT(_kern, OID_AUTO, hibernatewakenotification,
+ CTLFLAG_RW | CTLFLAG_NOAUTO | CTLFLAG_KERN | CTLFLAG_ANYBODY,
+ &_hibernateStats.wakeNotificationTime, 0, "");
+SYSCTL_UINT(_kern, OID_AUTO, hibernatelockscreenready,
+ CTLFLAG_RW | CTLFLAG_NOAUTO | CTLFLAG_KERN | CTLFLAG_ANYBODY,
+ &_hibernateStats.lockScreenReadyTime, 0, "");
+SYSCTL_UINT(_kern, OID_AUTO, hibernatehidready,
+ CTLFLAG_RW | CTLFLAG_NOAUTO | CTLFLAG_KERN | CTLFLAG_ANYBODY,
+ &_hibernateStats.hidReadyTime, 0, "");
+
void
IOHibernateSystemInit(IOPMrootDomain * rootDomain)
{
+ gIOHibernateBootImageKey = OSSymbol::withCStringNoCopy(kIOHibernateBootImageKey);
+
+#if defined(__i386__) || defined(__x86_64__)
+ gIOHibernateRTCVariablesKey = OSSymbol::withCStringNoCopy(kIOHibernateRTCVariablesKey);
+ gIOHibernateBoot0082Key = OSSymbol::withCString("8BE4DF61-93CA-11D2-AA0D-00E098032B8C:Boot0082");
+ gIOHibernateBootNextKey = OSSymbol::withCString("8BE4DF61-93CA-11D2-AA0D-00E098032B8C:BootNext");
+ gIOHibernateRTCVariablesKey = OSSymbol::withCStringNoCopy(kIOHibernateRTCVariablesKey);
+#endif /* defined(__i386__) || defined(__x86_64__) */
+
OSData * data = OSData::withBytesNoCopy(&gIOHibernateState, sizeof(gIOHibernateState));
if (data)
{
sysctl_register_oid(&sysctl__kern_hibernatefile);
sysctl_register_oid(&sysctl__kern_bootsignature);
sysctl_register_oid(&sysctl__kern_hibernatemode);
-}
+ sysctl_register_oid(&sysctl__kern_hibernatestatistics);
+ sysctl_register_oid(&sysctl__kern_hibernategraphicsready);
+ sysctl_register_oid(&sysctl__kern_hibernatewakenotification);
+ sysctl_register_oid(&sysctl__kern_hibernatelockscreenready);
+ sysctl_register_oid(&sysctl__kern_hibernatehidready);
+ gIOChosenEntry = IORegistryEntry::fromPath("/chosen", gIODTPlane);
-/* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */
-
-static void
-hibernate_setup_for_wake(void)
-{
+ gFSLock = IOLockAlloc();
}
/* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */
-#define C_ASSERT(e) typedef char __C_ASSERT__[(e) ? 1 : -1]
-
-static bool
-no_encrypt_page(vm_offset_t ppnum)
-{
- if (pmap_is_noencrypt((ppnum_t)ppnum) == TRUE)
- {
- return true;
- }
- return false;
-}
-
-uint32_t wired_pages_encrypted = 0;
-uint32_t dirty_pages_encrypted = 0;
-uint32_t wired_pages_clear = 0;
-
-static void
-hibernate_pal_callback(void *vars_arg, vm_offset_t addr)
+static IOReturn
+IOHibernatePolledFileWrite(IOPolledFileIOVars * vars,
+ const uint8_t * bytes, IOByteCount size,
+ IOPolledFileCryptVars * cryptvars)
{
- IOHibernateVars *vars = (IOHibernateVars *)vars_arg;
- /* Make sure it's not in either of the save lists */
- hibernate_set_page_state(vars->page_list, vars->page_list_wired, atop_64(addr), 1, kIOHibernatePageStateFree);
+ IOReturn err;
- /* Set it in the bitmap of pages owned by the PAL */
- hibernate_page_bitset(vars->page_list_pal, TRUE, atop_64(addr));
-}
-
-static struct hibernate_cryptvars_t *local_cryptvars;
-
-extern "C" int
-hibernate_pal_write(void *buffer, size_t size)
-{
- IOHibernateVars * vars = &gIOHibernateVars;
-
- IOReturn err = IOPolledFileWrite(vars->fileVars, (const uint8_t *)buffer, size, local_cryptvars);
- if (kIOReturnSuccess != err) {
- kprintf("epic hibernate fail! %d\n", err);
- return err;
- }
+ err = IOPolledFileWrite(vars, bytes, size, cryptvars);
+ if ((kIOReturnSuccess == err) && hibernate_should_abort()) err = kIOReturnAborted;
- return 0;
+ return (err);
}
+/* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */
extern "C" uint32_t
hibernate_write_image(void)
IOHibernateVars * vars = &gIOHibernateVars;
IOPolledFileExtent * fileExtents;
- C_ASSERT(sizeof(IOHibernateImageHeader) == 512);
+ _static_assert_1_arg(sizeof(IOHibernateImageHeader) == 512);
uint32_t pageCount, pagesDone;
IOReturn err;
IOItemCount count;
uint8_t * src;
uint8_t * data;
+ uint8_t * compressed;
+ uint8_t * scratch;
IOByteCount pageCompressedSize;
uint64_t compressedSize, uncompressedSize;
uint64_t image1Size = 0;
uint32_t bitmap_size;
bool iterDone, pollerOpen, needEncrypt;
uint32_t restore1Sum, sum, sum1, sum2;
+ int wkresult;
uint32_t tag;
uint32_t pageType;
uint32_t pageAndCount[2];
addr64_t phys64;
IOByteCount segLen;
+ uintptr_t hibernateBase;
+ uintptr_t hibernateEnd;
AbsoluteTime startTime, endTime;
AbsoluteTime allTime, compTime;
uint32_t progressStamp;
uint32_t blob, lastBlob = (uint32_t) -1L;
- hibernate_cryptvars_t _cryptvars;
- hibernate_cryptvars_t * cryptvars = 0;
+ uint32_t wiredPagesEncrypted;
+ uint32_t dirtyPagesEncrypted;
+ uint32_t wiredPagesClear;
+ uint32_t svPageCount;
+ uint32_t zvPageCount;
+
+ IOPolledFileCryptVars _cryptvars;
+ IOPolledFileCryptVars * cryptvars = 0;
- wired_pages_encrypted = 0;
- dirty_pages_encrypted = 0;
- wired_pages_clear = 0;
+ wiredPagesEncrypted = 0;
+ dirtyPagesEncrypted = 0;
+ wiredPagesClear = 0;
+ svPageCount = 0;
+ zvPageCount = 0;
- if (!vars->fileVars || !vars->fileVars->pollers || !vars->fileExtents)
- return (false /* sleep */ );
+ if (!vars->fileVars
+ || !vars->fileVars->pollers
+ || !(kIOHibernateModeOn & gIOHibernateMode)) return (kIOHibernatePostWriteSleep);
if (kIOHibernateModeSleep & gIOHibernateMode)
kdebug_enable = save_kdebug_enable;
restore1Sum = sum1 = sum2 = 0;
- hibernate_pal_prepare();
-
#if CRYPTO
// encryption data. "iv" is the "initial vector".
if (kIOHibernateModeEncrypt & gIOHibernateMode)
0xdf, 0x9e, 0x5f, 0x32, 0xd7, 0x61, 0x63, 0xda };
cryptvars = &gIOHibernateCryptWakeContext;
- bzero(cryptvars, sizeof(hibernate_cryptvars_t));
+ bzero(cryptvars, sizeof(IOPolledFileCryptVars));
aes_encrypt_key(vars->cryptKey,
kIOHibernateAESKeySize,
&cryptvars->ctx.encrypt);
&cryptvars->ctx.decrypt);
cryptvars = &_cryptvars;
- bzero(cryptvars, sizeof(hibernate_cryptvars_t));
+ bzero(cryptvars, sizeof(IOPolledFileCryptVars));
for (pageCount = 0; pageCount < sizeof(vars->wiredCryptKey); pageCount++)
vars->wiredCryptKey[pageCount] ^= vars->volumeCryptKey[pageCount];
bzero(&vars->volumeCryptKey[0], sizeof(vars->volumeCryptKey));
bcopy(&first_iv[0], &cryptvars->aes_iv[0], AES_BLOCK_SIZE);
bzero(&vars->wiredCryptKey[0], sizeof(vars->wiredCryptKey));
bzero(&vars->cryptKey[0], sizeof(vars->cryptKey));
-
- local_cryptvars = cryptvars;
}
#endif /* CRYPTO */
- hibernate_setup_for_wake();
-
hibernate_page_list_setall(vars->page_list,
vars->page_list_wired,
- vars->page_list_pal,
+ vars->page_list_pal,
+ false /* !preflight */,
+ /* discard_all */
+ ((0 == (kIOHibernateModeSleep & gIOHibernateMode))
+ && (0 != ((kIOHibernateModeDiscardCleanActive | kIOHibernateModeDiscardCleanInactive) & gIOHibernateMode))),
&pageCount);
HIBLOG("hibernate_page_list_setall found pageCount %d\n", pageCount);
- fileExtents = (IOPolledFileExtent *) vars->fileExtents->getBytesNoCopy();
+ fileExtents = (IOPolledFileExtent *) vars->fileVars->fileExtents->getBytesNoCopy();
#if 0
count = vars->fileExtents->getLength() / sizeof(IOPolledFileExtent);
clock_get_uptime(&allTime);
IOService::getPMRootDomain()->pmStatsRecordEvent(
kIOPMStatsHibernateImageWrite | kIOPMStatsEventStartFlag, allTime);
-
do
{
compressedSize = 0;
uncompressedSize = 0;
+ svPageCount = 0;
+ zvPageCount = 0;
- IOPolledFileSeek(vars->fileVars, sizeof(IOHibernateImageHeader));
+ IOPolledFileSeek(vars->fileVars, vars->fileVars->blockSize);
HIBLOG("IOHibernatePollerOpen, ml_get_interrupts_enabled %d\n",
ml_get_interrupts_enabled());
- err = IOHibernatePollerOpen(vars->fileVars, kIOPolledBeforeSleepState, vars->ioBuffer);
+ err = IOPolledFilePollersOpen(vars->fileVars, kIOPolledBeforeSleepState,
+ // abortable if not low battery
+ !IOService::getPMRootDomain()->mustHibernate());
HIBLOG("IOHibernatePollerOpen(%x)\n", err);
pollerOpen = (kIOReturnSuccess == err);
if (!pollerOpen)
// copy file block extent list if larger than header
- count = vars->fileExtents->getLength();
+ count = vars->fileVars->fileExtents->getLength();
if (count > sizeof(header->fileExtentMap))
{
count -= sizeof(header->fileExtentMap);
- err = IOPolledFileWrite(vars->fileVars,
+ err = IOHibernatePolledFileWrite(vars->fileVars,
((uint8_t *) &fileExtents[0]) + sizeof(header->fileExtentMap), count, cryptvars);
if (kIOReturnSuccess != err)
break;
}
- uintptr_t hibernateBase;
- uintptr_t hibernateEnd;
-
hibernateBase = HIB_BASE; /* Defined in PAL headers */
-
- hibernateEnd = (sectHIBB + sectSizeHIB);
+ hibernateEnd = (segHIBB + segSizeHIB);
// copy out restore1 code
header->restore1CodeOffset = ((uintptr_t) &hibernate_machine_entrypoint) - hibernateBase;
header->restore1StackOffset = ((uintptr_t) &gIOHibernateRestoreStackEnd[0]) - 64 - hibernateBase;
- // sum __HIB sect, with zeros for the stack
+ // sum __HIB seg, with zeros for the stack
src = (uint8_t *) trunc_page(hibernateBase);
for (page = 0; page < count; page++)
{
}
sum1 = restore1Sum;
- // write the __HIB sect, with zeros for the stack
+ // write the __HIB seg, with zeros for the stack
src = (uint8_t *) trunc_page(hibernateBase);
count = ((uintptr_t) &gIOHibernateRestoreStack[0]) - trunc_page(hibernateBase);
if (count)
{
- err = IOPolledFileWrite(vars->fileVars, src, count, cryptvars);
+ err = IOHibernatePolledFileWrite(vars->fileVars, src, count, cryptvars);
if (kIOReturnSuccess != err)
break;
}
- err = IOPolledFileWrite(vars->fileVars,
+ err = IOHibernatePolledFileWrite(vars->fileVars,
(uint8_t *) 0,
&gIOHibernateRestoreStackEnd[0] - &gIOHibernateRestoreStack[0],
cryptvars);
count = round_page(hibernateEnd) - ((uintptr_t) src);
if (count)
{
- err = IOPolledFileWrite(vars->fileVars, src, count, cryptvars);
+ err = IOHibernatePolledFileWrite(vars->fileVars, src, count, cryptvars);
if (kIOReturnSuccess != err)
break;
}
+ if (kIOHibernateModeEncrypt & gIOHibernateMode)
+ {
+ vars->fileVars->encryptStart = (vars->fileVars->position & ~(AES_BLOCK_SIZE - 1));
+ vars->fileVars->encryptEnd = UINT64_MAX;
+ HIBLOG("encryptStart %qx\n", vars->fileVars->encryptStart);
+ }
+
// write the preview buffer
if (vars->previewBuffer)
phys64 = vars->previewBuffer->getPhysicalSegment(count, &segLen, kIOMemoryMapperNone);
pageAndCount[0] = atop_64(phys64);
pageAndCount[1] = atop_32(segLen);
- err = IOPolledFileWrite(vars->fileVars,
+ err = IOHibernatePolledFileWrite(vars->fileVars,
(const uint8_t *) &pageAndCount, sizeof(pageAndCount),
cryptvars);
if (kIOReturnSuccess != err)
break;
src = (uint8_t *) vars->previewBuffer->getPhysicalSegment(0, NULL, _kIOMemorySourceSegment);
+
+ ((hibernate_preview_t *)src)->lockTime = gIOConsoleLockTime;
+
count = vars->previewBuffer->getLength();
header->previewPageListSize = ppnum;
phys64 = vars->previewBuffer->getPhysicalSegment(page, NULL, kIOMemoryMapperNone);
sum1 += hibernate_sum_page(src + page, atop_64(phys64));
}
- err = IOPolledFileWrite(vars->fileVars, src, count, cryptvars);
+ err = IOHibernatePolledFileWrite(vars->fileVars, src, count, cryptvars);
if (kIOReturnSuccess != err)
break;
}
// mark areas for no save
-
+ IOMemoryDescriptor * ioBuffer;
+ ioBuffer = IOPolledFileGetIOBuffer(vars->fileVars);
for (count = 0;
- (phys64 = vars->ioBuffer->getPhysicalSegment(count, &segLen, kIOMemoryMapperNone));
+ (phys64 = ioBuffer->getPhysicalSegment(count, &segLen, kIOMemoryMapperNone));
count += segLen)
{
hibernate_set_page_state(vars->page_list, vars->page_list_wired,
bitmap_size = vars->page_list_wired->list_size;
src = (uint8_t *) vars->page_list_wired;
- err = IOPolledFileWrite(vars->fileVars, src, bitmap_size, cryptvars);
+ err = IOHibernatePolledFileWrite(vars->fileVars, src, bitmap_size, cryptvars);
if (kIOReturnSuccess != err)
break;
pageCount -= atop_32(segLen);
}
- (void)hibernate_pal_callback;
-
src = (uint8_t *) vars->srcBuffer->getBytesNoCopy();
-
+ compressed = src + page_size;
+ scratch = compressed + page_size;
+
pagesDone = 0;
lastBlob = 0;
- HIBLOG("writing %d pages\n", pageCount);
+ HIBLOG("bitmap_size 0x%x, previewSize 0x%x, writing %d pages @ 0x%llx\n",
+ bitmap_size, header->previewSize,
+ pageCount, vars->fileVars->position);
enum
// pageType
kUnwiredEncrypt = kEncrypt
};
+ bool cpuAES = (0 != (CPUID_FEATURE_AES & cpuid_features()));
+#define _pmap_is_noencrypt(x) (cpuAES ? false : pmap_is_noencrypt((x)))
+
for (pageType = kWiredEncrypt; pageType >= kUnwiredEncrypt; pageType--)
{
- if (needEncrypt && (kEncrypt & pageType))
- {
- vars->fileVars->encryptStart = (vars->fileVars->position & ~(((uint64_t)AES_BLOCK_SIZE) - 1));
- vars->fileVars->encryptEnd = UINT64_MAX;
- HIBLOG("encryptStart %qx\n", vars->fileVars->encryptStart);
-
- if (kUnwiredEncrypt == pageType)
- {
- // start unwired image
- bcopy(&cryptvars->aes_iv[0],
- &gIOHibernateCryptWakeContext.aes_iv[0],
- sizeof(cryptvars->aes_iv));
- cryptvars = &gIOHibernateCryptWakeContext;
- }
+ if (kUnwiredEncrypt == pageType)
+ {
+ // start unwired image
+ if (kIOHibernateModeEncrypt & gIOHibernateMode)
+ {
+ vars->fileVars->encryptStart = (vars->fileVars->position & ~(((uint64_t)AES_BLOCK_SIZE) - 1));
+ vars->fileVars->encryptEnd = UINT64_MAX;
+ HIBLOG("encryptStart %qx\n", vars->fileVars->encryptStart);
+ }
+ bcopy(&cryptvars->aes_iv[0],
+ &gIOHibernateCryptWakeContext.aes_iv[0],
+ sizeof(cryptvars->aes_iv));
+ cryptvars = &gIOHibernateCryptWakeContext;
}
for (iterDone = false, ppnum = 0; !iterDone; )
{
&ppnum);
// kprintf("[%d](%x : %x)\n", pageType, ppnum, count);
iterDone = !count;
-
+
if (count && (kWired & pageType) && needEncrypt)
{
uint32_t checkIndex;
for (checkIndex = 0;
(checkIndex < count)
- && (((kEncrypt & pageType) == 0) == no_encrypt_page(ppnum + checkIndex));
+ && (((kEncrypt & pageType) == 0) == _pmap_is_noencrypt(ppnum + checkIndex));
checkIndex++)
{}
if (!checkIndex)
switch (pageType)
{
- case kWiredEncrypt: wired_pages_encrypted += count; break;
- case kWiredClear: wired_pages_clear += count; break;
- case kUnwiredEncrypt: dirty_pages_encrypted += count; break;
+ case kWiredEncrypt: wiredPagesEncrypted += count; break;
+ case kWiredClear: wiredPagesClear += count; break;
+ case kUnwiredEncrypt: dirtyPagesEncrypted += count; break;
}
if (iterDone && (kWiredEncrypt == pageType)) {/* not yet end of wired list */}
{
pageAndCount[0] = ppnum;
pageAndCount[1] = count;
- err = IOPolledFileWrite(vars->fileVars,
+ err = IOHibernatePolledFileWrite(vars->fileVars,
(const uint8_t *) &pageAndCount, sizeof(pageAndCount),
cryptvars);
if (kIOReturnSuccess != err)
sum2 += sum;
clock_get_uptime(&startTime);
+ wkresult = WKdm_compress_new((const WK_word*) src,
+ (WK_word*) compressed,
+ (WK_word*) scratch,
+ page_size - 4);
- pageCompressedSize = WKdm_compress ((WK_word*) src, (WK_word*) (src + page_size), PAGE_SIZE_IN_WORDS);
-
clock_get_uptime(&endTime);
ADD_ABSOLUTETIME(&compTime, &endTime);
SUB_ABSOLUTETIME(&compTime, &startTime);
+
compBytes += page_size;
-
- if (kIOHibernateModeEncrypt & gIOHibernateMode)
- pageCompressedSize = (pageCompressedSize + AES_BLOCK_SIZE - 1) & ~(AES_BLOCK_SIZE - 1);
-
- if (pageCompressedSize > page_size)
- {
-// HIBLOG("------------lose: %d\n", pageCompressedSize);
- pageCompressedSize = page_size;
- }
-
- if (pageCompressedSize != page_size)
- data = (src + page_size);
- else
+ pageCompressedSize = (-1 == wkresult) ? page_size : wkresult;
+
+ if (pageCompressedSize == 0)
+ {
+ pageCompressedSize = 4;
data = src;
+
+ if (*(uint32_t *)src)
+ svPageCount++;
+ else
+ zvPageCount++;
+ }
+ else
+ {
+ if (pageCompressedSize != page_size)
+ data = compressed;
+ else
+ data = src;
+ }
tag = pageCompressedSize | kIOHibernateTagSignature;
- err = IOPolledFileWrite(vars->fileVars, (const uint8_t *) &tag, sizeof(tag), cryptvars);
+ err = IOHibernatePolledFileWrite(vars->fileVars, (const uint8_t *) &tag, sizeof(tag), cryptvars);
if (kIOReturnSuccess != err)
break;
- err = IOPolledFileWrite(vars->fileVars, data, (pageCompressedSize + 3) & ~3, cryptvars);
+ err = IOHibernatePolledFileWrite(vars->fileVars, data, (pageCompressedSize + 3) & ~3, cryptvars);
if (kIOReturnSuccess != err)
break;
compressedSize += pageCompressedSize;
- if (pageCompressedSize)
- uncompressedSize += page_size;
+ uncompressedSize += page_size;
pagesDone++;
if (vars->consoleMapping && (0 == (1023 & pagesDone)))
if (kIOReturnSuccess != err)
break;
- if ((kEncrypt & pageType))
+ if ((kEncrypt & pageType) && vars->fileVars->encryptStart)
{
vars->fileVars->encryptEnd = ((vars->fileVars->position + 511) & ~511ULL);
HIBLOG("encryptEnd %qx\n", vars->fileVars->encryptEnd);
if (kWiredEncrypt != pageType)
{
// end of image1/2 - fill to next block
- err = IOPolledFileWrite(vars->fileVars, 0, 0, cryptvars);
+ err = IOHibernatePolledFileWrite(vars->fileVars, 0, 0, cryptvars);
if (kIOReturnSuccess != err)
break;
}
if (kWiredClear == pageType)
{
// enlarge wired image for test
-// err = IOPolledFileWrite(vars->fileVars, 0, 0x60000000, cryptvars);
+// err = IOHibernatePolledFileWrite(vars->fileVars, 0, 0x60000000, cryptvars);
// end wired image
header->encryptStart = vars->fileVars->encryptStart;
}
}
if (kIOReturnSuccess != err)
+ {
+ if (kIOReturnOverrun == err)
+ {
+ // update actual compression ratio on not enough space (for retry)
+ gIOHibernateCompression = (compressedSize << 8) / uncompressedSize;
+ }
+
+ // update partial amount written (for IOPolledFileClose cleanup/unmap)
+ header->imageSize = vars->fileVars->position;
break;
+ }
// Header:
header->restore1Sum = restore1Sum;
header->image1Sum = sum1;
header->image2Sum = sum2;
+ header->sleepTime = gIOLastSleepTime.tv_sec;
+
+ header->compression = (compressedSize << 8) / uncompressedSize;
+ gIOHibernateCompression = header->compression;
- count = vars->fileExtents->getLength();
+ count = vars->fileVars->fileExtents->getLength();
if (count > sizeof(header->fileExtentMap))
{
header->fileExtentMapSize = count;
header->fileExtentMapSize = sizeof(header->fileExtentMap);
bcopy(&fileExtents[0], &header->fileExtentMap[0], count);
- header->deviceBase = vars->fileVars->block0;
+ header->deviceBase = vars->fileVars->block0;
+ header->deviceBlockSize = vars->fileVars->blockSize;
IOPolledFileSeek(vars->fileVars, 0);
- err = IOPolledFileWrite(vars->fileVars,
+ err = IOHibernatePolledFileWrite(vars->fileVars,
(uint8_t *) header, sizeof(IOHibernateImageHeader),
cryptvars);
if (kIOReturnSuccess != err)
break;
- err = IOPolledFileWrite(vars->fileVars, 0, 0, cryptvars);
- if (kIOReturnSuccess != err)
- break;
- err = IOHibernatePollerIODone(vars->fileVars, true);
- if (kIOReturnSuccess != err)
- break;
+ err = IOHibernatePolledFileWrite(vars->fileVars, 0, 0, cryptvars);
}
while (false);
SUB_ABSOLUTETIME(&endTime, &allTime);
absolutetime_to_nanoseconds(endTime, &nsec);
- HIBLOG("all time: %qd ms, ",
- nsec / 1000000ULL);
+ HIBLOG("all time: %qd ms, ", nsec / 1000000ULL);
absolutetime_to_nanoseconds(compTime, &nsec);
HIBLOG("comp bytes: %qd time: %qd ms %qd Mb/s, ",
nsec / 1000000ULL,
nsec ? (((vars->fileVars->cryptBytes * 1000000000ULL) / 1024 / 1024) / nsec) : 0);
- HIBLOG("\nimage %qd, uncompressed %qd (%d), compressed %qd (%d%%), sum1 %x, sum2 %x\n",
- header->imageSize,
+ HIBLOG("\nimage %qd (%lld%%), uncompressed %qd (%d), compressed %qd (%d%%), sum1 %x, sum2 %x\n",
+ header->imageSize, (header->imageSize * 100) / vars->fileVars->fileSize,
uncompressedSize, atop_32(uncompressedSize), compressedSize,
uncompressedSize ? ((int) ((compressedSize * 100ULL) / uncompressedSize)) : 0,
sum1, sum2);
- HIBLOG("wired_pages_encrypted %d, wired_pages_clear %d, dirty_pages_encrypted %d\n",
- wired_pages_encrypted, wired_pages_clear, dirty_pages_encrypted);
-
- if (vars->fileVars->io)
- (void) IOHibernatePollerIODone(vars->fileVars, false);
+ HIBLOG("svPageCount %d, zvPageCount %d, wiredPagesEncrypted %d, wiredPagesClear %d, dirtyPagesEncrypted %d\n",
+ svPageCount, zvPageCount, wiredPagesEncrypted, wiredPagesClear, dirtyPagesEncrypted);
if (pollerOpen)
- IOHibernatePollerClose(vars->fileVars, kIOPolledBeforeSleepState);
+ IOPolledFilePollersClose(vars->fileVars, (kIOReturnSuccess == err) ? kIOPolledBeforeSleepState : kIOPolledBeforeSleepStateAborted );
if (vars->consoleMapping)
ProgressUpdate(gIOHibernateGraphicsInfo,
gIOHibernateState = kIOHibernateStateInactive;
KERNEL_DEBUG_CONSTANT(IOKDBG_CODE(DBG_HIBERNATE, 1) | DBG_FUNC_END,
- wired_pages_encrypted, wired_pages_clear, dirty_pages_encrypted, 0, 0);
+ wiredPagesEncrypted, wiredPagesClear, dirtyPagesEncrypted, 0, 0);
if (kIOReturnSuccess == err)
{
uint32_t pagesRead = 0;
AbsoluteTime startTime, compTime;
AbsoluteTime allTime, endTime;
+ AbsoluteTime startIOTime, endIOTime;
+ uint64_t nsec, nsecIO;
uint64_t compBytes;
- uint64_t nsec;
uint32_t lastProgressStamp = 0;
uint32_t progressStamp;
- uint64_t progressZeroPosition = 0;
- uint32_t blob, lastBlob = (uint32_t) -1L;
- hibernate_cryptvars_t * cryptvars = 0;
+ IOPolledFileCryptVars * cryptvars = 0;
IOHibernateVars * vars = &gIOHibernateVars;
+ bzero(gIOHibernateStats, sizeof(hibernate_statistics_t));
- if (!vars->fileVars || !vars->fileVars->pollers || !vars->fileExtents)
+ if (!vars->fileVars || !vars->fileVars->pollers)
return;
sum = gIOHibernateCurrentHeader->actualImage1Sum;
pagesDone = gIOHibernateCurrentHeader->actualUncompressedPages;
- HIBLOG("hibernate_machine_init: state %d, image pages %d, sum was %x, image1Size %qx, conflictCount %d, nextFree %x\n",
- gIOHibernateState, pagesDone, sum, gIOHibernateCurrentHeader->image1Size,
- gIOHibernateCurrentHeader->conflictCount, gIOHibernateCurrentHeader->nextFree);
-
if (kIOHibernateStateWakingFromHibernate != gIOHibernateState)
{
HIBLOG("regular wake\n");
gIOHibernateCurrentHeader->diag[0], gIOHibernateCurrentHeader->diag[1],
gIOHibernateCurrentHeader->diag[2], gIOHibernateCurrentHeader->diag[3]);
- HIBPRINT("video %x %d %d %d status %x\n",
- gIOHibernateGraphicsInfo->physicalAddress, gIOHibernateGraphicsInfo->depth,
- gIOHibernateGraphicsInfo->width, gIOHibernateGraphicsInfo->height, gIOHibernateGraphicsInfo->gfxStatus);
+#define t40ms(x) (tmrCvt((((uint64_t)(x)) << 8), tscFCvtt2n) / 1000000)
+#define tStat(x, y) gIOHibernateStats->x = t40ms(gIOHibernateCurrentHeader->y);
+ tStat(booterStart, booterStart);
+ gIOHibernateStats->smcStart = gIOHibernateCurrentHeader->smcStart;
+ tStat(booterDuration0, booterTime0);
+ tStat(booterDuration1, booterTime1);
+ tStat(booterDuration2, booterTime2);
+ tStat(booterDuration, booterTime);
+ tStat(booterConnectDisplayDuration, connectDisplayTime);
+ tStat(booterSplashDuration, splashTime);
+ tStat(trampolineDuration, trampolineTime);
+
+ gIOHibernateStats->image1Size = gIOHibernateCurrentHeader->image1Size;
+ gIOHibernateStats->imageSize = gIOHibernateCurrentHeader->imageSize;
+ gIOHibernateStats->image1Pages = pagesDone;
+
+ HIBLOG("booter start at %d ms smc %d ms, [%d, %d, %d] total %d ms, dsply %d, %d ms, tramp %d ms\n",
+ gIOHibernateStats->booterStart,
+ gIOHibernateStats->smcStart,
+ gIOHibernateStats->booterDuration0,
+ gIOHibernateStats->booterDuration1,
+ gIOHibernateStats->booterDuration2,
+ gIOHibernateStats->booterDuration,
+ gIOHibernateStats->booterConnectDisplayDuration,
+ gIOHibernateStats->booterSplashDuration,
+ gIOHibernateStats->trampolineDuration);
+
+ HIBLOG("hibernate_machine_init: state %d, image pages %d, sum was %x, imageSize 0x%qx, image1Size 0x%qx, conflictCount %d, nextFree %x\n",
+ gIOHibernateState, pagesDone, sum, gIOHibernateStats->imageSize, gIOHibernateStats->image1Size,
+ gIOHibernateCurrentHeader->conflictCount, gIOHibernateCurrentHeader->nextFree);
- if ((kIOHibernateModeDiscardCleanActive | kIOHibernateModeDiscardCleanInactive) & gIOHibernateMode)
+ if ((0 != (kIOHibernateModeSleep & gIOHibernateMode))
+ && (0 != ((kIOHibernateModeDiscardCleanActive | kIOHibernateModeDiscardCleanInactive) & gIOHibernateMode)))
+ {
hibernate_page_list_discard(vars->page_list);
-
- boot_args *args = (boot_args *) PE_state.bootArgs;
+ }
cryptvars = (kIOHibernateModeEncrypt & gIOHibernateMode) ? &gIOHibernateCryptWakeContext : 0;
break;
case kIOHibernateHandoffTypeGraphicsInfo:
- bcopy(data, gIOHibernateGraphicsInfo, sizeof(*gIOHibernateGraphicsInfo));
+ if (handoff->bytecount == sizeof(*gIOHibernateGraphicsInfo))
+ {
+ bcopy(data, gIOHibernateGraphicsInfo, sizeof(*gIOHibernateGraphicsInfo));
+ }
break;
case kIOHibernateHandoffTypeCryptVars:
break;
case kIOHibernateHandoffTypeMemoryMap:
+
+ clock_get_uptime(&allTime);
+
hibernate_newruntime_map(data, handoff->bytecount,
gIOHibernateCurrentHeader->systemTableOffset);
+
+ clock_get_uptime(&endTime);
+
+ SUB_ABSOLUTETIME(&endTime, &allTime);
+ absolutetime_to_nanoseconds(endTime, &nsec);
+
+ HIBLOG("hibernate_newruntime_map time: %qd ms, ", nsec / 1000000ULL);
+
break;
case kIOHibernateHandoffTypeDeviceTree:
if (cryptvars && !foundCryptData)
panic("hibernate handoff");
- if (vars->videoMapping
- && gIOHibernateGraphicsInfo->physicalAddress
- && (args->Video.v_baseAddr == gIOHibernateGraphicsInfo->physicalAddress))
+ HIBPRINT("video 0x%llx %d %d %d status %x\n",
+ gIOHibernateGraphicsInfo->physicalAddress, gIOHibernateGraphicsInfo->depth,
+ gIOHibernateGraphicsInfo->width, gIOHibernateGraphicsInfo->height, gIOHibernateGraphicsInfo->gfxStatus);
+
+ if (vars->videoMapping && gIOHibernateGraphicsInfo->physicalAddress)
{
vars->videoMapSize = round_page(gIOHibernateGraphicsInfo->height
* gIOHibernateGraphicsInfo->rowBytes);
- IOMapPages(kernel_map,
- vars->videoMapping, gIOHibernateGraphicsInfo->physicalAddress,
- vars->videoMapSize, kIOMapInhibitCache );
+ if (vars->videoMapSize > vars->videoAllocSize) vars->videoMapSize = 0;
+ else
+ {
+ IOMapPages(kernel_map,
+ vars->videoMapping, gIOHibernateGraphicsInfo->physicalAddress,
+ vars->videoMapSize, kIOMapInhibitCache );
+ }
}
+ if (vars->videoMapSize)
+ ProgressUpdate(gIOHibernateGraphicsInfo,
+ (uint8_t *) vars->videoMapping, 0, kIOHibernateProgressCount);
+
uint8_t * src = (uint8_t *) vars->srcBuffer->getBytesNoCopy();
- uint32_t decoOffset;
+ uint8_t * compressed = src + page_size;
+ uint8_t * scratch = compressed + page_size;
+ uint32_t decoOffset;
clock_get_uptime(&allTime);
AbsoluteTime_to_scalar(&compTime) = 0;
compBytes = 0;
- HIBLOG("IOHibernatePollerOpen(), ml_get_interrupts_enabled %d\n", ml_get_interrupts_enabled());
- err = IOHibernatePollerOpen(vars->fileVars, kIOPolledAfterSleepState, 0);
- HIBLOG("IOHibernatePollerOpen(%x)\n", err);
-
- if (gIOHibernateCurrentHeader->previewSize)
- progressZeroPosition = gIOHibernateCurrentHeader->previewSize
- + gIOHibernateCurrentHeader->fileExtentMapSize
- - sizeof(gIOHibernateCurrentHeader->fileExtentMap)
- + ptoa_64(gIOHibernateCurrentHeader->restore1PageCount);
+ HIBLOG("IOPolledFilePollersOpen(), ml_get_interrupts_enabled %d\n", ml_get_interrupts_enabled());
+ err = IOPolledFilePollersOpen(vars->fileVars, kIOPolledAfterSleepState, false);
+ clock_get_uptime(&startIOTime);
+ endTime = startIOTime;
+ SUB_ABSOLUTETIME(&endTime, &allTime);
+ absolutetime_to_nanoseconds(endTime, &nsec);
+ HIBLOG("IOPolledFilePollersOpen(%x) %qd ms\n", err, nsec / 1000000ULL);
IOPolledFileSeek(vars->fileVars, gIOHibernateCurrentHeader->image1Size);
- if (vars->videoMapSize)
- {
- lastBlob = ((vars->fileVars->position - progressZeroPosition) * kIOHibernateProgressCount)
- / (gIOHibernateCurrentHeader->imageSize - progressZeroPosition);
- ProgressUpdate(gIOHibernateGraphicsInfo, (uint8_t *) vars->videoMapping, 0, lastBlob);
- }
-
// kick off the read ahead
- vars->fileVars->io = false;
vars->fileVars->bufferHalf = 0;
vars->fileVars->bufferLimit = 0;
vars->fileVars->lastRead = 0;
break;
}
- if (!compressedSize)
- {
- ppnum++;
- pagesDone++;
- continue;
- }
-
err = IOPolledFileRead(vars->fileVars, src, (compressedSize + 3) & ~3, cryptvars);
- if (kIOReturnSuccess != err)
- break;
+ if (kIOReturnSuccess != err) break;
if (compressedSize < page_size)
{
decoOffset = page_size;
+ clock_get_uptime(&startTime);
- clock_get_uptime(&startTime);
- WKdm_decompress((WK_word*) src, (WK_word*) (src + decoOffset), PAGE_SIZE_IN_WORDS);
- clock_get_uptime(&endTime);
- ADD_ABSOLUTETIME(&compTime, &endTime);
- SUB_ABSOLUTETIME(&compTime, &startTime);
+ if (compressedSize == 4) {
+ int i;
+ uint32_t *s, *d;
+
+ s = (uint32_t *)src;
+ d = (uint32_t *)(uintptr_t)compressed;
- compBytes += page_size;
+ for (i = 0; i < (int)(PAGE_SIZE / sizeof(int32_t)); i++)
+ *d++ = *s;
+ }
+ else
+ WKdm_decompress_new((WK_word*) src, (WK_word*) compressed, (WK_word*) scratch, compressedSize);
+ clock_get_uptime(&endTime);
+ ADD_ABSOLUTETIME(&compTime, &endTime);
+ SUB_ABSOLUTETIME(&compTime, &startTime);
+ compBytes += page_size;
}
- else
- decoOffset = 0;
+ else decoOffset = 0;
sum += hibernate_sum_page((src + decoOffset), ppnum);
-
err = IOMemoryDescriptorReadToPhysical(vars->srcBuffer, decoOffset, ptoa_64(ppnum), page_size);
if (err)
{
- HIBLOG("IOMemoryDescriptorReadToPhysical [%ld] %x\n", (long)ppnum, err);
- break;
+ HIBLOG("IOMemoryDescriptorReadToPhysical [%ld] %x\n", (long)ppnum, err);
+ break;
}
ppnum++;
pagesDone++;
pagesRead++;
- if (vars->videoMapSize && (0 == (1023 & pagesDone)))
- {
- blob = ((vars->fileVars->position - progressZeroPosition) * kIOHibernateProgressCount)
- / (gIOHibernateCurrentHeader->imageSize - progressZeroPosition);
- if (blob != lastBlob)
- {
- ProgressUpdate(gIOHibernateGraphicsInfo, (uint8_t *) vars->videoMapping, lastBlob, blob);
- lastBlob = blob;
- }
- }
-
if (0 == (8191 & pagesDone))
{
clock_get_uptime(&endTime);
panic("Hibernate restore error %x", err);
gIOHibernateCurrentHeader->actualImage2Sum = sum;
+ gIOHibernateCompression = gIOHibernateCurrentHeader->compression;
- if (vars->fileVars->io)
- (void) IOHibernatePollerIODone(vars->fileVars, false);
+ clock_get_uptime(&endIOTime);
- err = IOHibernatePollerClose(vars->fileVars, kIOPolledAfterSleepState);
-
- if (vars->videoMapSize)
- ProgressUpdate(gIOHibernateGraphicsInfo,
- (uint8_t *) vars->videoMapping, 0, kIOHibernateProgressCount);
+ err = IOPolledFilePollersClose(vars->fileVars, kIOPolledAfterSleepState);
clock_get_uptime(&endTime);
SUB_ABSOLUTETIME(&endTime, &allTime);
absolutetime_to_nanoseconds(endTime, &nsec);
- HIBLOG("hibernate_machine_init pagesDone %d sum2 %x, time: %qd ms, ",
- pagesDone, sum, nsec / 1000000ULL);
+ SUB_ABSOLUTETIME(&endIOTime, &startIOTime);
+ absolutetime_to_nanoseconds(endIOTime, &nsecIO);
+
+ gIOHibernateStats->kernelImageReadDuration = nsec / 1000000ULL;
+ gIOHibernateStats->imagePages = pagesDone;
+
+ HIBLOG("hibernate_machine_init pagesDone %d sum2 %x, time: %d ms, disk(0x%x) %qd Mb/s, ",
+ pagesDone, sum, gIOHibernateStats->kernelImageReadDuration, kDefaultIOSize,
+ nsecIO ? ((((gIOHibernateCurrentHeader->imageSize - gIOHibernateCurrentHeader->image1Size) * 1000000000ULL) / 1024 / 1024) / nsecIO) : 0);
absolutetime_to_nanoseconds(compTime, &nsec);
HIBLOG("comp bytes: %qd time: %qd ms %qd Mb/s, ",
}
/* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */
+
+void IOHibernateSetWakeCapabilities(uint32_t capability)
+{
+ if (kIOHibernateStateWakingFromHibernate == gIOHibernateState)
+ {
+ gIOHibernateStats->wakeCapability = capability;
+
+ if (kIOPMSystemCapabilityGraphics & capability)
+ {
+ vm_compressor_do_warmup();
+ }
+ }
+}
+
+/* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */
+
+void IOHibernateSystemRestart(void)
+{
+ static uint8_t noteStore[32] __attribute__((aligned(32)));
+ IORegistryEntry * regEntry;
+ const OSSymbol * sym;
+ OSData * noteProp;
+ OSData * data;
+ uintptr_t * smcVars;
+ uint8_t * smcBytes;
+ size_t len;
+ addr64_t element;
+
+ data = OSDynamicCast(OSData, IOService::getPMRootDomain()->getProperty(kIOHibernateSMCVariablesKey));
+ if (!data) return;
+
+ smcVars = (typeof(smcVars)) data->getBytesNoCopy();
+ smcBytes = (typeof(smcBytes)) smcVars[1];
+ len = smcVars[0];
+ if (len > sizeof(noteStore)) len = sizeof(noteStore);
+ noteProp = OSData::withCapacity(3 * sizeof(element));
+ if (!noteProp) return;
+ element = len;
+ noteProp->appendBytes(&element, sizeof(element));
+ element = crc32(0, smcBytes, len);
+ noteProp->appendBytes(&element, sizeof(element));
+
+ bcopy(smcBytes, noteStore, len);
+ element = (addr64_t) ¬eStore[0];
+ element = (element & page_mask) | ptoa_64(pmap_find_phys(kernel_pmap, element));
+ noteProp->appendBytes(&element, sizeof(element));
+
+ if (!gIOOptionsEntry)
+ {
+ regEntry = IORegistryEntry::fromPath("/options", gIODTPlane);
+ gIOOptionsEntry = OSDynamicCast(IODTNVRAM, regEntry);
+ if (regEntry && !gIOOptionsEntry)
+ regEntry->release();
+ }
+
+ sym = OSSymbol::withCStringNoCopy(kIOHibernateBootNoteKey);
+ if (gIOOptionsEntry && sym) gIOOptionsEntry->setProperty(sym, noteProp);
+ if (noteProp) noteProp->release();
+ if (sym) sym->release();
+}
+
+
+