src/WINNT/afsd/cm_memmap.h

   1 /*
   2  * Copyright 2004-2011, 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_VERSION  17
  14 #define CM_CONFIG_DATA_MAGIC            ('A' | 'F'<<8 | 'S'<<16 | CM_CONFIG_DATA_VERSION<<24)
  15
  16 typedef struct cm_config_data {
  17     afs_uint32          size;
  18     afs_uint32          magic;
  19     CHAR *              baseAddress;
  20
  21     afs_uint32          stats;
  22     afs_uint32          chunkSize;
  23     afs_uint32          blockSize;
  24     afs_uint64          bufferSize;
  25     afs_uint32          cacheType;
  26     afs_uint32          dirty;
  27
  28     cm_volume_t *       volumeBaseAddress;
  29     cm_cell_t   *       cellBaseAddress;
  30     cm_aclent_t *       aclBaseAddress;
  31     cm_scache_t *       scacheBaseAddress;
  32     cm_nc_t     *       dnlcBaseAddress;
  33     cm_buf_t    *       bufHeaderBaseAddress;
  34     char *              bufDataBaseAddress;
  35     char *              bufEndOfData;
  36
  37     cm_volume_t *       allVolumesp;
  38     afs_uint32          currentVolumes;
  39     afs_uint32          maxVolumes;
  40
  41     cm_cell_t   *       allCellsp;
  42     cm_cell_t   *       freeCellsp;
  43     afs_uint32          currentCells;
  44     afs_uint32          maxCells;
  45
  46     cm_volume_t *       rootVolumep;
  47     cm_cell_t   *       rootCellp;
  48     cm_fid_t            rootFid;
  49     cm_scache_t *       rootSCachep;
  50     cm_scache_t         fakeSCache;
  51     afs_uint64          fakeDirVersion;
  52     afs_uint32          fakeUnique;
  53
  54     cm_aclent_t *       aclLRUp;
  55     cm_aclent_t *       aclLRUEndp;
  56
  57     cm_scache_t **      scacheHashTablep;
  58     afs_uint32          scacheHashTableSize;
  59
  60     cm_scache_t *       allSCachesp;
  61     afs_uint32          currentSCaches;
  62     afs_uint32          maxSCaches;
  63     cm_scache_t *       scacheLRUFirstp;
  64     cm_scache_t *       scacheLRULastp;
  65
  66     cm_cell_t   **      cellNameHashTablep;
  67     cm_cell_t   **      cellIDHashTablep;
  68     afs_uint32          cellHashTableSize;
  69
  70     cm_volume_t **      volumeNameHashTablep;
  71     cm_volume_t **      volumeRWIDHashTablep;
  72     cm_volume_t **      volumeROIDHashTablep;
  73     cm_volume_t **      volumeBKIDHashTablep;
  74     afs_uint32          volumeHashTableSize;
  75     cm_volume_t *       volumeLRUFirstp;
  76     cm_volume_t *       volumeLRULastp;
  77
  78     cm_nc_t     *       ncfreelist;
  79     cm_nc_t     *       nameCache;
  80     cm_nc_t     **      nameHash;
  81
  82     cm_buf_t    *       buf_freeListp;
  83     cm_buf_t    *       buf_freeListEndp;
  84     cm_buf_t    *       buf_dirtyListp;
  85     cm_buf_t    *       buf_dirtyListEndp;
  86     cm_buf_t    *       buf_redirListp;
  87     cm_buf_t    *       buf_redirListEndp;
  88     cm_buf_t    **      buf_scacheHashTablepp;
  89     cm_buf_t    **      buf_fileHashTablepp;
  90     cm_buf_t    *       buf_allp;
  91     afs_uint32          buf_blockSize;
  92     afs_uint32          buf_hashSize;
  93 #ifdef _M_IX86
  94     afs_uint32          buf_nbuffers;
  95     afs_uint32          buf_nOrigBuffers;
  96     afs_uint32          buf_reservedBufs;
  97     afs_uint32          buf_maxReservedBufs;
  98     afs_uint32          buf_reserveWaiting;
  99     afs_uint32          buf_freeCount;
 100     afs_uint32          buf_redirCount;
 101 #else
 102     afs_uint64          buf_nbuffers;
 103     afs_uint64          buf_nOrigBuffers;
 104     afs_uint64          buf_reservedBufs;
 105     afs_uint64          buf_maxReservedBufs;
 106     afs_uint64          buf_reserveWaiting;
 107     afs_uint64          buf_freeCount;
 108     afs_uint64          buf_redirCount;
 109 #endif
 110     time_t              mountRootGen;
 111     afsUUID             Uuid;
 112     DWORD               volSerialNumber;
 113     CHAR                Sid[6 * sizeof(DWORD)];
 114 } cm_config_data_t;
 115
 116 extern cm_config_data_t cm_data;
 117
 118 afs_uint64 GranularityAdjustment(afs_uint64 size);
 119 afs_uint64 ComputeSizeOfConfigData(void);
 120 afs_uint64 ComputeSizeOfVolumes(DWORD maxvols);
 121 afs_uint64 ComputeSizeOfCells(DWORD maxcells);
 122 afs_uint64 ComputeSizeOfACLCache(DWORD stats);
 123 afs_uint64 ComputeSizeOfSCache(DWORD stats);
 124 afs_uint64 ComputeSizeOfSCacheHT(DWORD stats);
 125 afs_uint64 ComputeSizeOfDNLCache(void);
 126 afs_uint64 ComputeSizeOfDataBuffers(afs_uint64 cacheBlocks, DWORD blockSize);
 127 afs_uint64 ComputeSizeOfDataHT(afs_uint64 cacheBlocks);
 128 afs_uint64 ComputeSizeOfDataHeaders(afs_uint64 cacheBlocks);
 129 afs_uint64 ComputeSizeOfMappingFile(DWORD stats, DWORD maxVols, DWORD maxCells, DWORD chunkSize, afs_uint64 cacheBlocks, DWORD blockSize);
 130 PSECURITY_ATTRIBUTES CreateCacheFileSA();
 131 VOID  FreeCacheFileSA(PSECURITY_ATTRIBUTES psa);
 132 int   cm_ShutdownMappedMemory(void);
 133 int   cm_ValidateMappedMemory(char * cachePath);
 134 int   cm_InitMappedMemory(DWORD virtualCache, char * cachePath, DWORD stats, DWORD maxVols, DWORD maxCells, DWORD chunkSize, afs_uint64 cacheBlocks, afs_uint32 blockSize);
 135 #endif /* CM_MEMMAP_H */