130 lines
2.3 KiB
C
130 lines
2.3 KiB
C
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/*++
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Copyright (c) Microsoft Corporation. All rights reserved.
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Module Name:
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videoagp.h
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Abstract:
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Video miniport AGP support.
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Notes:
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Revision History:
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--*/
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#ifndef __VIDEOAGP_H__
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#define __VIDEOAGP_H__
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#define VIDEO_AGP_RATE_1X 1
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#define VIDEO_AGP_RATE_2X 2
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#define VIDEO_AGP_RATE_4X 4
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#define VIDEO_AGP_RATE_8X 8
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typedef enum
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{
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VpNonCached = 0,
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VpWriteCombined,
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VpCached
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} VIDEO_PORT_CACHE_TYPE;
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typedef
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PHYSICAL_ADDRESS
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(*PAGP_RESERVE_PHYSICAL)(
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IN PVOID HwDeviceExtension,
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IN ULONG Pages,
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IN VIDEO_PORT_CACHE_TYPE Caching,
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OUT PVOID *PhysicalReserveContext
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);
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typedef
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VOID
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(*PAGP_RELEASE_PHYSICAL)(
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IN PVOID HwDeviceExtension,
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IN PVOID PhysicalReserveContext
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);
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typedef
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BOOLEAN
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(*PAGP_COMMIT_PHYSICAL)(
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IN PVOID HwDeviceExtension,
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IN PVOID PhysicalReserveContext,
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IN ULONG Pages,
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IN ULONG Offset
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);
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typedef
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VOID
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(*PAGP_FREE_PHYSICAL)(
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IN PVOID HwDeviceExtension,
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IN PVOID PhysicalReserveContext,
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IN ULONG Pages,
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IN ULONG Offset
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);
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typedef
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PVOID
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(*PAGP_RESERVE_VIRTUAL)(
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IN PVOID HwDeviceExtension,
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IN HANDLE ProcessHandle,
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IN PVOID PhysicalReserveContext,
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OUT PVOID *VirtualReserveContext
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);
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typedef
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VOID
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(*PAGP_RELEASE_VIRTUAL)(
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IN PVOID HwDeviceExtension,
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IN PVOID VirtualReserveContext
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);
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typedef
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PVOID
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(*PAGP_COMMIT_VIRTUAL)(
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IN PVOID HwDeviceExtension,
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IN PVOID VirtualReserveContext,
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IN ULONG Pages,
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IN ULONG Offset
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);
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typedef
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VOID
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(*PAGP_FREE_VIRTUAL)(
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IN PVOID HwDeviceExtension,
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IN PVOID VirtualReserveContext,
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IN ULONG Pages,
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IN ULONG Offset
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);
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typedef
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BOOLEAN
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(*PAGP_SET_RATE)(
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IN PVOID HwDeviceExtension,
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IN ULONG AgpRate
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);
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typedef struct _VIDEO_PORT_AGP_SERVICES
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{
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PAGP_RESERVE_PHYSICAL AgpReservePhysical;
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PAGP_RELEASE_PHYSICAL AgpReleasePhysical;
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PAGP_COMMIT_PHYSICAL AgpCommitPhysical;
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PAGP_FREE_PHYSICAL AgpFreePhysical;
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PAGP_RESERVE_VIRTUAL AgpReserveVirtual;
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PAGP_RELEASE_VIRTUAL AgpReleaseVirtual;
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PAGP_COMMIT_VIRTUAL AgpCommitVirtual;
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PAGP_FREE_VIRTUAL AgpFreeVirtual;
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ULONGLONG AllocationLimit;
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} VIDEO_PORT_AGP_SERVICES, *PVIDEO_PORT_AGP_SERVICES;
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BOOLEAN
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VideoPortGetAgpServices(
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IN PVOID HwDeviceExtension,
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IN PVIDEO_PORT_AGP_SERVICES AgpServices
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);
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#endif // ifndef __VIDEOAGP_H__
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