From 57cef8643daa218507e7a4d10f0810d28bacfe8c Mon Sep 17 00:00:00 2001
From: Gregor Anich <blight@blight.eu.org>
Date: Mon, 3 Jan 2005 23:12:56 +0000
Subject: [PATCH] added ntagp.h

svn path=/trunk/; revision=12768
---
 reactos/w32api/include/ddk/ntagp.h | 111 +++++++++++++++++++++++++++++
 1 file changed, 111 insertions(+)
 create mode 100644 reactos/w32api/include/ddk/ntagp.h

diff --git a/reactos/w32api/include/ddk/ntagp.h b/reactos/w32api/include/ddk/ntagp.h
new file mode 100644
index 00000000000..c507eae0372
--- /dev/null
+++ b/reactos/w32api/include/ddk/ntagp.h
@@ -0,0 +1,111 @@
+/*
+ * ntagp.h
+ *
+ * NT AGP bus driver interface
+ *
+ * This file is part of the w32api package.
+ *
+ * Contributors:
+ *   Created by Gregor Anich <blight@blight.eu.org>
+ *
+ * THIS SOFTWARE IS NOT COPYRIGHTED
+ *
+ * This source code is offered for use in the public domain. You may
+ * use, modify or distribute it freely.
+ *
+ * This code is distributed in the hope that it will be useful but
+ * WITHOUT ANY WARRANTY. ALL WARRANTIES, EXPRESS OR IMPLIED ARE HEREBY
+ * DISCLAIMED. This includes but is not limited to warranties of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
+ *
+ */
+
+#ifndef __NTAGP_H
+#define __NTAGP_H
+
+#if __GNUC__ >=3
+#pragma GCC system_header
+#endif
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+#include "ntddk.h"
+#include "video.h"
+
+
+#define AGP_BUS_INTERFACE_V1              1L
+#define AGP_BUS_INTERFACE_V2              2L
+
+/* Indicates wether the GART supports mapping of physical memory for the CPU */
+#define AGP_CAPABILITIES_MAP_PHYSICAL     0x00000001L
+
+typedef NTSTATUS
+(DDKAPI *PAGP_BUS_COMMIT_MEMORY)(
+  IN     PVOID  AgpContext,
+  IN     PVOID  MapHandle,
+  IN     ULONG  NumberOfPages,
+  IN     ULONG  OffsetInPages,
+  IN OUT PMDL  Mdl  OPTIONAL,
+  OUT    PHYSICAL_ADDRESS  *MemoryBase);
+
+typedef NTSTATUS
+(DDKAPI *PAGP_BUS_FREE_MEMORY)(
+  IN  PVOID  AgpContext,
+  IN  PVOID  MapHandle,
+  IN  ULONG  NumberOfPages,
+  IN  ULONG  OffsetInPages);
+
+typedef NTSTATUS
+(DDKAPI *PAGP_BUS_RELEASE_MEMORY)(
+  IN  PVOID  AgpContext,
+  IN  PVOID  MapHandle);
+
+typedef NTSTATUS
+(DDKAPI *PAGP_BUS_RESERVE_MEMORY)(
+  IN  PVOID  AgpContext,
+  IN  ULONG  NumberOfPages,
+  IN  MEMORY_CACHING_TYPE  MemoryType,
+  OUT PVOID  *MapHandle,
+  OUT PHYSICAL_ADDRESS  *PhysicalAddress  OPTIONAL);
+
+typedef NTSTATUS
+(DDKAPI *PAGP_BUS_SET_RATE)(
+  IN  PVOID  AgpContext,
+  IN  ULONG  AgpRate);
+
+typedef NTSTATUS
+(DDKAPI *PAGP_GET_MAPPED_PAGES)(
+  IN  PVOID  AgpContext,
+  IN  PVOID  MapHandle,
+  IN  ULONG  NumberOfPages,
+  IN  ULONG  OffsetInPages,
+  OUT PMDL  Mdl);
+
+typedef struct _AGP_BUS_INTERFACE_STANDARD {
+  USHORT  Size;
+  USHORT  Version;
+  PVOID  AgpContext;
+  PINTERFACE_REFERENCE  InterfaceReference;
+  PINTERFACE_DEREFERENCE  InterfaceDereference;
+  
+  ULONG  Capabilities;
+  PAGP_BUS_RESERVE_MEMORY  ReserveMemory;
+  PAGP_BUS_RELEASE_MEMORY  ReleaseMemory;
+  PAGP_BUS_COMMIT_MEMORY  CommitMemory;
+  PAGP_BUS_FREE_MEMORY  FreeMemory;
+  PAGP_GET_MAPPED_PAGES  GetMappedPages;
+  PAGP_BUS_SET_RATE  SetRate;
+} AGP_BUS_INTERFACE_STANDARD, *PAGP_BUS_INTERFACE_STANDARD;
+
+#define AGP_BUS_INTERFACE_V2_SIZE sizeof(AGP_BUS_INTERFACE_STANDARD)
+#define AGP_BUS_INTERFACE_V1_SIZE \
+             (AGP_BUS_INTERFACE_V2_SIZE - sizeof(PAGP_BUS_SET_RATE))
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* __NTAGP_H */
+