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 #if __GNUC__ >=3
  27 #pragma GCC system_header
  28 #endif
  29
  30 #include "video.h"
  31
  32 #ifdef __cplusplus
  33 extern "C" {
  34 #endif
  35
  36 #define AGP_BUS_INTERFACE_V1              1L
  37 #define AGP_BUS_INTERFACE_V2              2L
  38
  39 /* Indicates wether the GART supports mapping of physical memory for the CPU */
  40 #define AGP_CAPABILITIES_MAP_PHYSICAL     0x00000001L
  41
  42 typedef NTSTATUS
  43 (DDKAPI *PAGP_BUS_COMMIT_MEMORY)(
  44   IN     PVOID  AgpContext,
  45   IN     PVOID  MapHandle,
  46   IN     ULONG  NumberOfPages,
  47   IN     ULONG  OffsetInPages,
  48   IN OUT PMDL  Mdl  OPTIONAL,
  49   OUT    PHYSICAL_ADDRESS  *MemoryBase);
  50
  51 typedef NTSTATUS
  52 (DDKAPI *PAGP_BUS_FREE_MEMORY)(
  53   IN  PVOID  AgpContext,
  54   IN  PVOID  MapHandle,
  55   IN  ULONG  NumberOfPages,
  56   IN  ULONG  OffsetInPages);
  57
  58 typedef NTSTATUS
  59 (DDKAPI *PAGP_BUS_RELEASE_MEMORY)(
  60   IN  PVOID  AgpContext,
  61   IN  PVOID  MapHandle);
  62
  63 typedef NTSTATUS
  64 (DDKAPI *PAGP_BUS_RESERVE_MEMORY)(
  65   IN  PVOID  AgpContext,
  66   IN  ULONG  NumberOfPages,
  67   IN  MEMORY_CACHING_TYPE  MemoryType,
  68   OUT PVOID  *MapHandle,
  69   OUT PHYSICAL_ADDRESS  *PhysicalAddress  OPTIONAL);
  70
  71 typedef NTSTATUS
  72 (DDKAPI *PAGP_BUS_SET_RATE)(
  73   IN  PVOID  AgpContext,
  74   IN  ULONG  AgpRate);
  75
  76 typedef NTSTATUS
  77 (DDKAPI *PAGP_GET_MAPPED_PAGES)(
  78   IN  PVOID  AgpContext,
  79   IN  PVOID  MapHandle,
  80   IN  ULONG  NumberOfPages,
  81   IN  ULONG  OffsetInPages,
  82   OUT PMDL  Mdl);
  83
  84 typedef struct _AGP_BUS_INTERFACE_STANDARD {
  85   USHORT  Size;
  86   USHORT  Version;
  87   PVOID  AgpContext;
  88   PINTERFACE_REFERENCE  InterfaceReference;
  89   PINTERFACE_DEREFERENCE  InterfaceDereference;
  90
  91   ULONG  Capabilities;
  92   PAGP_BUS_RESERVE_MEMORY  ReserveMemory;
  93   PAGP_BUS_RELEASE_MEMORY  ReleaseMemory;
  94   PAGP_BUS_COMMIT_MEMORY  CommitMemory;
  95   PAGP_BUS_FREE_MEMORY  FreeMemory;
  96   PAGP_GET_MAPPED_PAGES  GetMappedPages;
  97   PAGP_BUS_SET_RATE  SetRate;
  98 } AGP_BUS_INTERFACE_STANDARD, *PAGP_BUS_INTERFACE_STANDARD;
  99
 100 #define AGP_BUS_INTERFACE_V2_SIZE sizeof(AGP_BUS_INTERFACE_STANDARD)
 101 #define AGP_BUS_INTERFACE_V1_SIZE \
 102              (AGP_BUS_INTERFACE_V2_SIZE - sizeof(PAGP_BUS_SET_RATE))
 103
 104 #ifdef __cplusplus
 105 }
 106 #endif
 107
 108 #endif /* __NTAGP_H */
 109