reactos/include/ddk/ntagp.h

   1 /*
   2  * ntagp.h
   3  *
   4  * NT AGP bus driver interface
   5  *
   6  * This file is part of the w32api package.
   7  *
   8  * Contributors:
   9  *   Created by Gregor Anich <blight@blight.eu.org>
  10  *
  11  * THIS SOFTWARE IS NOT COPYRIGHTED
  12  *
  13  * This source code is offered for use in the public domain. You may
  14  * use, modify or distribute it freely.
  15  *
  16  * This code is distributed in the hope that it will be useful but
  17  * WITHOUT ANY WARRANTY. ALL WARRANTIES, EXPRESS OR IMPLIED ARE HEREBY
  18  * DISCLAIMED. This includes but is not limited to warranties of
  19  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
  20  *
  21  */
  22
  23 #ifndef __NTAGP_H
  24 #define __NTAGP_H
  25
  26 #include "video.h"
  27
  28 #ifdef __cplusplus
  29 extern "C" {
  30 #endif
  31
  32 #define AGP_BUS_INTERFACE_V1              1L
  33 #define AGP_BUS_INTERFACE_V2              2L
  34
  35 /* Indicates wether the GART supports mapping of physical memory for the CPU */
  36 #define AGP_CAPABILITIES_MAP_PHYSICAL     0x00000001L
  37
  38 typedef NTSTATUS
  39 (NTAPI *PAGP_BUS_COMMIT_MEMORY)(
  40   IN     PVOID  AgpContext,
  41   IN     PVOID  MapHandle,
  42   IN     ULONG  NumberOfPages,
  43   IN     ULONG  OffsetInPages,
  44   IN OUT PMDL  Mdl  OPTIONAL,
  45   OUT    PHYSICAL_ADDRESS  *MemoryBase);
  46
  47 typedef NTSTATUS
  48 (NTAPI *PAGP_BUS_FREE_MEMORY)(
  49   IN  PVOID  AgpContext,
  50   IN  PVOID  MapHandle,
  51   IN  ULONG  NumberOfPages,
  52   IN  ULONG  OffsetInPages);
  53
  54 typedef NTSTATUS
  55 (NTAPI *PAGP_BUS_RELEASE_MEMORY)(
  56   IN  PVOID  AgpContext,
  57   IN  PVOID  MapHandle);
  58
  59 typedef NTSTATUS
  60 (NTAPI *PAGP_BUS_RESERVE_MEMORY)(
  61   IN  PVOID  AgpContext,
  62   IN  ULONG  NumberOfPages,
  63   IN  MEMORY_CACHING_TYPE  MemoryType,
  64   OUT PVOID  *MapHandle,
  65   OUT PHYSICAL_ADDRESS  *PhysicalAddress  OPTIONAL);
  66
  67 typedef NTSTATUS
  68 (NTAPI *PAGP_BUS_SET_RATE)(
  69   IN  PVOID  AgpContext,
  70   IN  ULONG  AgpRate);
  71
  72 typedef NTSTATUS
  73 (NTAPI *PAGP_GET_MAPPED_PAGES)(
  74   IN  PVOID  AgpContext,
  75   IN  PVOID  MapHandle,
  76   IN  ULONG  NumberOfPages,
  77   IN  ULONG  OffsetInPages,
  78   OUT PMDL  Mdl);
  79
  80 typedef struct _AGP_BUS_INTERFACE_STANDARD {
  81   USHORT  Size;
  82   USHORT  Version;
  83   PVOID  AgpContext;
  84   PINTERFACE_REFERENCE  InterfaceReference;
  85   PINTERFACE_DEREFERENCE  InterfaceDereference;
  86
  87   ULONG  Capabilities;
  88   PAGP_BUS_RESERVE_MEMORY  ReserveMemory;
  89   PAGP_BUS_RELEASE_MEMORY  ReleaseMemory;
  90   PAGP_BUS_COMMIT_MEMORY  CommitMemory;
  91   PAGP_BUS_FREE_MEMORY  FreeMemory;
  92   PAGP_GET_MAPPED_PAGES  GetMappedPages;
  93   PAGP_BUS_SET_RATE  SetRate;
  94 } AGP_BUS_INTERFACE_STANDARD, *PAGP_BUS_INTERFACE_STANDARD;
  95
  96 #define AGP_BUS_INTERFACE_V2_SIZE sizeof(AGP_BUS_INTERFACE_STANDARD)
  97 #define AGP_BUS_INTERFACE_V1_SIZE \
  98              (AGP_BUS_INTERFACE_V2_SIZE - sizeof(PAGP_BUS_SET_RATE))
  99
 100 #ifdef __cplusplus
 101 }
 102 #endif
 103
 104 #endif /* __NTAGP_H */
 105