112 lines
2.2 KiB
C
112 lines
2.2 KiB
C
/*++
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Copyright (c) 2000 Microsoft Corporation
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Module Name:
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oprghdlr.h
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Abstract:
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This header file contains the shared structures for the ACPI op region
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registration DLL.
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Author:
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Vincent Geglia (vincentg) 09-Feb-2000
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Environment:
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Kernel mode
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Notes:
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Revision History:
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--*/
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#include "wdm.h"
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//
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// Make sure that we define the right calling convention
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//
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#ifdef EXPORT
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#undef EXPORT
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#endif
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#define EXPORT __cdecl
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//
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// Op region handler and callback function prototypes
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//
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typedef VOID (EXPORT *PACPI_OP_REGION_CALLBACK)();
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typedef
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NTSTATUS
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(EXPORT *PACPI_OP_REGION_HANDLER) (
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ULONG AccessType,
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PVOID OperationRegionObject,
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ULONG Address,
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ULONG Size,
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PULONG Data,
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ULONG_PTR Context,
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PACPI_OP_REGION_CALLBACK CompletionHandler,
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PVOID CompletionContext
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);
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//
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// Exposed function prototypes
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//
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NTSTATUS
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RegisterOpRegionHandler (
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IN PDEVICE_OBJECT DeviceObject,
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IN ULONG AccessType,
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IN ULONG RegionSpace,
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IN PACPI_OP_REGION_HANDLER Handler,
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IN PVOID Context,
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IN ULONG Flags,
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IN OUT PVOID *OperationRegionObject
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);
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NTSTATUS
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DeRegisterOpRegionHandler (
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IN PDEVICE_OBJECT DeviceObject,
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IN PVOID OperationRegionObject
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);
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//
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// Exposed definitions
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//
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//
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// Access types for OpRegions
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//
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#define ACPI_OPREGION_ACCESS_AS_RAW 0x1
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#define ACPI_OPREGION_ACCESS_AS_COOKED 0x2
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//
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// Allowable region spaces
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//
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#define ACPI_OPREGION_REGION_SPACE_MEMORY 0x0
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#define ACPI_OPREGION_REGION_SPACE_IO 0x1
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#define ACPI_OPREGION_REGION_SPACE_PCI_CONFIG 0x2
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#define ACPI_OPREGION_REGION_SPACE_EC 0x3
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#define ACPI_OPREGION_REGION_SPACE_SMB 0x4
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//
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// Operation to perform on region
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//
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#define ACPI_OPREGION_READ 0x0
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#define ACPI_OPREGION_WRITE 0x1
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//
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// Flag definitions for op region registration
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//
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#define ACPI_OPREGION_ACCESS_AT_HIGH_LEVEL 0x1 // Indicates the handler function can be called at HIGH_LEVEL IRQL
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