src/WINNT/afsd/cm_memmap.h

   1 /*
   2  * Copyright 2004, Secure Endpoints Inc.
   3  * All Rights Reserved.
   4  *
   5  * This software has been released under the terms of the IBM Public
   6  * License.  For details, see the LICENSE file in the top-level source
   7  * directory or online at http://www.openafs.org/dl/license10.html
   8  */
   9
  10 #ifndef CM_MEMMAP_H
  11 #define CM_MEMMAP_H 1
  12
  13 #define CM_CONFIG_DATA_MAGIC            ('A' | 'F'<<8 | 'S'<<16 | 'D'<<24)
  14
  15 typedef struct cm_config_data {
  16     long                size;
  17     long                magic;
  18     CHAR *              baseAddress;
  19
  20     long                stats;
  21     long                chunkSize;
  22     long                blockSize;
  23     long                bufferSize;
  24     long                cacheType;
  25     long                dirty;
  26
  27     cm_volume_t *       volumeBaseAddress;
  28     cm_cell_t   *       cellBaseAddress;
  29     cm_aclent_t *       aclBaseAddress;
  30     cm_scache_t *       scacheBaseAddress;
  31     cm_nc_t     *       dnlcBaseAddress;
  32     cm_buf_t    *       bufHeaderBaseAddress;
  33     char *              bufDataBaseAddress;
  34     char *              bufEndOfData;
  35
  36     cm_volume_t *       allVolumesp;
  37     long                currentVolumes;
  38     long                maxVolumes;
  39
  40     cm_cell_t   *       allCellsp;
  41     long                currentCells;
  42     long                maxCells;
  43
  44     cm_volume_t *       rootVolumep;
  45     cm_cell_t   *       rootCellp;
  46     cm_fid_t            rootFid;
  47     cm_scache_t *       rootSCachep;
  48     cm_scache_t         fakeSCache;
  49     afs_uint32          fakeDirVersion;
  50
  51     cm_aclent_t *       aclLRUp;
  52     cm_aclent_t *       aclLRUEndp;
  53
  54     cm_scache_t **      hashTablep;
  55     long                hashTableSize;
  56
  57     long                currentSCaches;
  58     long                maxSCaches;
  59     cm_scache_t *       scacheLRUFirstp;
  60     cm_scache_t *       scacheLRULastp;
  61
  62     cm_nc_t     *       ncfreelist;
  63     cm_nc_t     *       nameCache;
  64     cm_nc_t     **      nameHash;
  65
  66     cm_buf_t    *       buf_freeListp;
  67     cm_buf_t    *       buf_freeListEndp;
  68     cm_buf_t    **      buf_hashTablepp;
  69     cm_buf_t    **      buf_fileHashTablepp;
  70     cm_buf_t    *       buf_allp;
  71     long                buf_nbuffers;
  72     long                buf_blockSize;
  73     long                buf_hashSize;
  74     long                buf_nOrigBuffers;
  75     long                buf_reservedBufs;
  76     long                buf_maxReservedBufs;
  77     long                buf_reserveWaiting;
  78
  79     time_t              mountRootGen;
  80     afsUUID             Uuid;
  81 } cm_config_data_t;
  82
  83 extern cm_config_data_t cm_data;
  84
  85 DWORD GranularityAdjustment(DWORD size);
  86 DWORD ComputeSizeOfConfigData(void);
  87 DWORD ComputeSizeOfVolumes(DWORD maxvols);
  88 DWORD ComputeSizeOfCells(DWORD maxcells);
  89 DWORD ComputeSizeOfACLCache(DWORD stats);
  90 DWORD ComputeSizeOfSCache(DWORD stats);
  91 DWORD ComputeSizeOfSCacheHT(DWORD stats);
  92 DWORD ComputeSizeOfDNLCache(void);
  93 DWORD ComputeSizeOfDataBuffers(DWORD cacheBlocks, DWORD blockSize);
  94 DWORD ComputeSizeOfDataHT(void);
  95 DWORD ComputeSizeOfDataHeaders(DWORD cacheBlocks);
  96 DWORD ComputeSizeOfMappingFile(DWORD stats, DWORD chunkSize, DWORD cacheBlocks, DWORD blockSize);
  97 PSECURITY_ATTRIBUTES CreateCacheFileSA();
  98 VOID  FreeCacheFileSA(PSECURITY_ATTRIBUTES psa);
  99 int   cm_ShutdownMappedMemory(void);
 100 int   cm_ValidateMappedMemory(char * cachePath);
 101 int   cm_InitMappedMemory(DWORD virtualCache, char * cachePath, DWORD stats, DWORD chunkSize, DWORD cacheBlocks );
 102 #endif /* CM_MEMMAP_H */