reactos/include/ndk/obtypes.h

   1 /*
   2  * PROJECT:         ReactOS Native Headers
   3  * FILE:            include/ndk/obtypes.h
   4  * PURPOSE:         Defintions for Object Manager Types not defined in DDK/IFS
   5  * PROGRAMMER:      Alex Ionescu (alex@relsoft.net)
   6  * UPDATE HISTORY:
   7  *                  Created 06/10/04
   8  */
   9 #ifndef _OBTYPES_H
  10 #define _OBTYPES_H
  11
  12 /* DEPENDENCIES **************************************************************/
  13
  14 /* CONSTANTS *****************************************************************/
  15
  16 /* Values for DosDeviceDriveType */
  17 #define DOSDEVICE_DRIVE_UNKNOWN         0
  18 #define DOSDEVICE_DRIVE_CALCULATE       1
  19 #define DOSDEVICE_DRIVE_REMOVABLE       2
  20 #define DOSDEVICE_DRIVE_FIXED           3
  21 #define DOSDEVICE_DRIVE_REMOTE          4
  22 #define DOSDEVICE_DRIVE_CDROM           5
  23 #define DOSDEVICE_DRIVE_RAMDISK         6
  24
  25 /* ENUMERATIONS **************************************************************/
  26
  27 /* TYPES *********************************************************************/
  28
  29 typedef struct _OBJECT_BASIC_INFORMATION
  30 {
  31     ULONG Attributes;
  32     ACCESS_MASK GrantedAccess;
  33     ULONG HandleCount;
  34     ULONG PointerCount;
  35     ULONG PagedPoolUsage;
  36     ULONG NonPagedPoolUsage;
  37     ULONG Reserved[3];
  38     ULONG NameInformationLength;
  39     ULONG TypeInformationLength;
  40     ULONG SecurityDescriptorLength;
  41     LARGE_INTEGER CreateTime;
  42 } OBJECT_BASIC_INFORMATION, *POBJECT_BASIC_INFORMATION;
  43
  44 /* FIXME: Add Object Structures Here */
  45 /*
  46  * FIXME: These will eventually become centerfold in the compliant Ob Manager
  47  * For now, they are only here so Device Map is properly defined before the header
  48  * changes
  49  */
  50 typedef struct _OBJECT_DIRECTORY_ENTRY
  51 {
  52     struct _OBJECT_DIRECTORY_ENTRY *ChainLink;
  53     PVOID Object;
  54     ULONG HashValue;
  55 } OBJECT_DIRECTORY_ENTRY, *POBJECT_DIRECTORY_ENTRY;
  56
  57 #define NUMBER_HASH_BUCKETS 37
  58 typedef struct _OBJECT_DIRECTORY
  59 {
  60     struct _OBJECT_DIRECTORY_ENTRY *HashBuckets[NUMBER_HASH_BUCKETS];
  61     struct _EX_PUSH_LOCK *Lock;
  62     struct _DEVICE_MAP *DeviceMap;
  63     ULONG SessionId;
  64 } OBJECT_DIRECTORY, *POBJECT_DIRECTORY;
  65
  66 typedef struct _DEVICE_MAP
  67 {
  68     POBJECT_DIRECTORY   DosDevicesDirectory;
  69     POBJECT_DIRECTORY   GlobalDosDevicesDirectory;
  70     ULONG               ReferenceCount;
  71     ULONG               DriveMap;
  72     UCHAR               DriveType[32];
  73 } DEVICE_MAP, *PDEVICE_MAP;
  74
  75 /* EXPORTED DATA *************************************************************/
  76
  77 extern NTOSAPI POBJECT_TYPE ObDirectoryType;
  78 extern NTOSAPI PDEVICE_MAP ObSystemDeviceMap;
  79
  80 #endif