X-Git-Url: https://git.saurik.com/apple/xnu.git/blobdiff_plain/d52fe63fc81f7e44faaae711812a211a78434976..0c530ab8987f0ae6a1a3d9284f40182b88852816:/bsd/hfs/hfscommon/headers/FileMgrInternal.h diff --git a/bsd/hfs/hfscommon/headers/FileMgrInternal.h b/bsd/hfs/hfscommon/headers/FileMgrInternal.h index ed67a4cf1..15ccb6e63 100644 --- a/bsd/hfs/hfscommon/headers/FileMgrInternal.h +++ b/bsd/hfs/hfscommon/headers/FileMgrInternal.h @@ -1,5 +1,5 @@ /* - * Copyright (c) 2000-2001 Apple Computer, Inc. All rights reserved. + * Copyright (c) 2000-2005 Apple Computer, Inc. All rights reserved. * * @APPLE_LICENSE_HEADER_START@ * @@ -32,12 +32,18 @@ #ifndef __FILEMGRINTERNAL__ #define __FILEMGRINTERNAL__ +#include + +#ifdef KERNEL +#ifdef __APPLE_API_PRIVATE + #include #include #include "../../hfs.h" #include "../../hfs_macos_defs.h" #include "../../hfs_format.h" +#include "../../hfs_cnode.h" #if PRAGMA_ONCE @@ -104,10 +110,13 @@ enum { /* internal flags*/ enum { - kEFContigBit = 1, /* force contiguous allocation*/ - kEFContigMask = 0x02, - kEFAllBit = 0, /* allocate all requested bytes or none*/ - kEFAllMask = 0x01, /* TruncateFile option flags*/ + kEFAllMask = 0x01, /* allocate all requested bytes or none */ + kEFContigMask = 0x02, /* force contiguous allocation */ + kEFReserveMask = 0x04, /* keep block reserve */ + kEFDeferMask = 0x08, /* defer file block allocations */ + kEFNoClumpMask = 0x10, /* don't round up to clump size */ + kEFMetadataMask = 0x20, /* metadata allocation */ + kTFTrunExtBit = 0, /* truncate to the extent containing new PEOF*/ kTFTrunExtMask = 1 }; @@ -121,12 +130,6 @@ enum { }; -enum { - kInvalidMRUCacheKey = -1L, /* flag to denote current MRU cache key is invalid*/ - kDefaultNumMRUCacheBlocks = 16 /* default number of blocks in each cache*/ -}; - - /* Universal Extent Key */ union ExtentKey { @@ -148,25 +151,6 @@ union ExtentRecord { HFSPlusExtentRecord hfsPlus; }; typedef union ExtentRecord ExtentRecord; -/* Universal catalog key */ - -union CatalogKey { - HFSCatalogKey hfs; - HFSPlusCatalogKey hfsPlus; -}; -typedef union CatalogKey CatalogKey; -/* Universal catalog data record */ - -union CatalogRecord { - SInt16 recordType; - HFSCatalogFolder hfsFolder; - HFSCatalogFile hfsFile; - HFSCatalogThread hfsThread; - HFSPlusCatalogFolder hfsPlusFolder; - HFSPlusCatalogFile hfsPlusFile; - HFSPlusCatalogThread hfsPlusThread; -}; -typedef union CatalogRecord CatalogRecord; enum { @@ -174,16 +158,6 @@ enum { }; -enum { - vcbMaxNam = 27, /* volumes currently have a 27 byte max name length*/ - /* VCB flags*/ - vcbManualEjectMask = 0x0001, /* bit 0 manual-eject bit: set if volume is in a manual-eject drive*/ - vcbFlushCriticalInfoMask = 0x0002, /* bit 1 critical info bit: set if critical MDB information needs to flush*/ - /* IoParam->ioVAtrb*/ - kDefaultVolumeMask = 0x0020, - kFilesOpenMask = 0x0040 -}; - /* Universal catalog name*/ @@ -197,8 +171,8 @@ typedef union CatalogName CatalogName; /* * MacOS accessor routines */ -#define GetFileControlBlock(fref) ((FCB *)((fref)->v_data)) -#define GetFileRefNumFromFCB(filePtr) ((filePtr)->h_vp) +#define GetFileControlBlock(fref) VTOF((fref)) +#define GetFileRefNumFromFCB(fcb) FTOV((fcb)) /* The following macro marks a VCB as dirty by setting the upper 8 bits of the flags*/ @@ -212,12 +186,8 @@ EXTERN_API_C( Boolean ) IsVCBDirty (ExtendedVCB *vcb); -#define VCB_LOCK_INIT(vcb) simple_lock_init(&vcb->vcbSimpleLock) -#define VCB_LOCK(vcb) simple_lock(&vcb->vcbSimpleLock) -#define VCB_UNLOCK(vcb) simple_unlock(&vcb->vcbSimpleLock) - -#define MarkVCBDirty(vcb) { VCB_LOCK((vcb)); ((vcb)->vcbFlags |= 0xFF00); VCB_UNLOCK((vcb)); } -#define MarkVCBClean(vcb) { VCB_LOCK((vcb)); ((vcb)->vcbFlags &= 0x00FF); VCB_UNLOCK((vcb)); } +#define MarkVCBDirty(vcb) { ((vcb)->vcbFlags |= 0xFF00); } +#define MarkVCBClean(vcb) { ((vcb)->vcbFlags &= 0x00FF); } #define IsVCBDirty(vcb) ((Boolean) ((vcb->vcbFlags & 0xFF00) != 0)) @@ -226,12 +196,7 @@ EXTERN_API_C( void ) ReturnIfError (OSErr result); #define ReturnIfError(result) if ( (result) != noErr ) return (result); else ; -/* Test for passed condition and return if true*/ -EXTERN_API_C( void ) -ReturnErrorIf (Boolean condition, - OSErr result); -#define ReturnErrorIf(condition, error) if ( (condition) ) return( (error) ); /* Exit function on error*/ EXTERN_API_C( void ) ExitOnError (OSErr result); @@ -242,62 +207,6 @@ ExitOnError (OSErr result); /* Catalog Manager Routines (IPI)*/ -EXTERN_API_C( OSErr ) -CreateCatalogNode (ExtendedVCB * volume, - HFSCatalogNodeID parentID, - ConstUTF8Param name, - UInt32 nodeType, - HFSCatalogNodeID * catalogNodeID, - UInt32 * catalogHint, - UInt32 teHint); - -EXTERN_API_C( OSErr ) -DeleteCatalogNode (ExtendedVCB * volume, - HFSCatalogNodeID parentID, - ConstUTF8Param name, - UInt32 hint); - -EXTERN_API_C( OSErr ) -GetCatalogNode (ExtendedVCB * volume, - HFSCatalogNodeID parentID, - ConstUTF8Param name, - UInt32 length, - UInt32 hint, - CatalogNodeData * nodeData, - UInt32 * newHint); - -EXTERN_API_C( OSErr ) -GetCatalogOffspring (ExtendedVCB * volume, - HFSCatalogNodeID folderID, - UInt16 index, - CatalogNodeData * nodeData, - HFSCatalogNodeID * nodeID, - SInt16 * nodeType); - -EXTERN_API_C( OSErr ) -MoveRenameCatalogNode (ExtendedVCB * volume, - HFSCatalogNodeID srcParentID, - ConstUTF8Param srcName, - UInt32 srcHint, - HFSCatalogNodeID dstParentID, - ConstUTF8Param dstName, - UInt32 * newHint, - UInt32 teHint); - -EXTERN_API_C( OSErr ) -UpdateCatalogNode (ExtendedVCB * volume, - HFSCatalogNodeID parentID, - ConstUTF8Param name, - UInt32 catalogHint, - const CatalogNodeData * nodeData); - -EXTERN_API_C( OSErr ) -CreateFileIDRef (ExtendedVCB * volume, - HFSCatalogNodeID parentID, - ConstUTF8Param name, - UInt32 hint, - HFSCatalogNodeID * threadID); - EXTERN_API_C( OSErr ) ExchangeFileIDs (ExtendedVCB * volume, ConstUTF8Param srcName, @@ -307,53 +216,6 @@ ExchangeFileIDs (ExtendedVCB * volume, UInt32 srcHint, UInt32 destHint ); -EXTERN_API_C( OSErr ) -LinkCatalogNode (ExtendedVCB * volume, - HFSCatalogNodeID parentID, - ConstUTF8Param name, - HFSCatalogNodeID linkParentID, - ConstUTF8Param linkName); - -EXTERN_API_C( SInt32 ) -CompareCatalogKeys (HFSCatalogKey * searchKey, - HFSCatalogKey * trialKey); - -EXTERN_API_C( SInt32 ) -CompareExtendedCatalogKeys (HFSPlusCatalogKey * searchKey, - HFSPlusCatalogKey * trialKey); - -EXTERN_API_C( OSErr ) -InitCatalogCache (void); - -EXTERN_API_C( void ) -InvalidateCatalogCache (ExtendedVCB * volume); - - -/* GenericMRUCache Routines*/ -EXTERN_API_C( OSErr ) -InitMRUCache (UInt32 bufferSize, - UInt32 numCacheBlocks, - Ptr * cachePtr); - -EXTERN_API_C( OSErr ) -DisposeMRUCache (Ptr cachePtr); - -EXTERN_API_C( void ) -TrashMRUCache (Ptr cachePtr); - -EXTERN_API_C( OSErr ) -GetMRUCacheBlock (UInt32 key, - Ptr cachePtr, - Ptr * buffer); - -EXTERN_API_C( void ) -InvalidateMRUCacheBlock (Ptr cachePtr, - Ptr buffer); - -EXTERN_API_C( void ) -InsertMRUCacheBlock (Ptr cachePtr, - UInt32 key, - Ptr buffer); /* BTree Manager Routines*/ @@ -369,17 +231,6 @@ SearchBTreeRecord (FileReference refNum, UInt16 * dataSize, UInt32 * newHint); -EXTERN_API_C( OSErr ) -InsertBTreeRecord (FileReference refNum, - void * key, - void * data, - UInt16 dataSize, - UInt32 * newHint); - -EXTERN_API_C( OSErr ) -DeleteBTreeRecord (FileReference refNum, - void * key); - EXTERN_API_C( OSErr ) ReplaceBTreeRecord (FileReference refNum, const void * key, @@ -393,9 +244,10 @@ ReplaceBTreeRecord (FileReference refNum, EXTERN_API_C( OSErr ) BlockAllocate (ExtendedVCB * vcb, UInt32 startingBlock, - SInt64 bytesRequested, - SInt64 bytesMaximum, + UInt32 minBlocks, + UInt32 maxBlocks, Boolean forceContiguous, + Boolean useMetaZone, UInt32 * startBlock, UInt32 * actualBlocks); @@ -404,9 +256,14 @@ BlockDeallocate (ExtendedVCB * vcb, UInt32 firstBlock, UInt32 numBlocks); +EXTERN_API_C( OSErr ) +BlockMarkAllocated(ExtendedVCB *vcb, UInt32 startingBlock, UInt32 numBlocks); + +EXTERN_API_C( OSErr ) +BlockMarkFree( ExtendedVCB *vcb, UInt32 startingBlock, UInt32 numBlocks); + EXTERN_API_C( UInt32 ) -FileBytesToBlocks (SInt64 numerator, - UInt32 denominator); +MetaZoneFreeBlocks(ExtendedVCB *vcb); /* File Extent Mapping routines*/ EXTERN_API_C( OSErr ) @@ -420,12 +277,6 @@ EXTERN_API_C( SInt32 ) CompareExtentKeysPlus (const HFSPlusExtentKey *searchKey, const HFSPlusExtentKey *trialKey); -EXTERN_API_C( OSErr ) -DeleteFile (ExtendedVCB * vcb, - HFSCatalogNodeID parDirID, - ConstUTF8Param catalogName, - UInt32 catalogHint); - EXTERN_API_C( OSErr ) TruncateFileC (ExtendedVCB * vcb, FCB * fcb, @@ -445,9 +296,14 @@ MapFileBlockC (ExtendedVCB * vcb, FCB * fcb, size_t numberOfBytes, off_t offset, - daddr_t * startBlock, + daddr64_t * startBlock, size_t * availableBytes); +OSErr HeadTruncateFile(ExtendedVCB *vcb, FCB *fcb, UInt32 headblks); + +EXTERN_API_C( int ) +AddFileExtent (ExtendedVCB *vcb, FCB *fcb, UInt32 startBlock, UInt32 blockCount); + #if TARGET_API_MACOS_X EXTERN_API_C( Boolean ) NodesAreContiguous (ExtendedVCB * vcb, @@ -455,24 +311,12 @@ NodesAreContiguous (ExtendedVCB * vcb, UInt32 nodeSize); #endif -/* Utility routines*/ - -EXTERN_API_C( void ) -ClearMemory (void * start, - UInt32 length); - -EXTERN_API_C( OSErr ) -VolumeWritable (ExtendedVCB * vcb); /* Get the current time in UTC (GMT)*/ EXTERN_API_C( UInt32 ) GetTimeUTC (void); -/* Get the current local time*/ -EXTERN_API_C( UInt32 ) -GetTimeLocal (Boolean forHFS); - EXTERN_API_C( UInt32 ) LocalToUTC (UInt32 localTime); @@ -480,14 +324,6 @@ EXTERN_API_C( UInt32 ) UTCToLocal (UInt32 utcTime); -/* Volumes routines*/ -EXTERN_API_C( OSErr ) -FlushVolumeControlBlock (ExtendedVCB * vcb); - -EXTERN_API_C( OSErr ) -ValidVolumeHeader (HFSPlusVolumeHeader * volumeHeader); - - #if PRAGMA_STRUCT_ALIGN #pragma options align=reset #elif PRAGMA_STRUCT_PACKPUSH @@ -506,5 +342,7 @@ ValidVolumeHeader (HFSPlusVolumeHeader * volumeHeader); } #endif +#endif /* __APPLE_API_PRIVATE */ +#endif /* KERNEL */ #endif /* __FILEMGRINTERNAL__ */