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147 lines
3.7 KiB
147 lines
3.7 KiB
/*++
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Copyright (c) 1998 Microsoft Corporation
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Module Name:
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wmimap.h
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Abstract:
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ACPI to WMI mapping layer
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Author:
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Alan Warwick
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Environment:
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Kernel mode
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Revision History:
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--*/
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#if DBG
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extern ULONG WmiAcpiDebug;
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#define WmiAcpiPrint(l,m) if(l & WmiAcpiDebug) DbgPrint m
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#else
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#define WmiAcpiPrint(l,m)
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#endif
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#define WmiAcpiError 0x00000001
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#define WmiAcpiWarning 0x00000002
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#define WmiAcpiBasicTrace 0x00000004
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#define WmiAcpiQueryTrace 0x00000010
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#define WmiAcpiSetTrace 0x00000020
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#define WmiAcpiMethodTrace 0x00000040
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#define WmiAcpiEventTrace 0x00000080
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#define WmiAcpiFncCtlTrace 0x00000100
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#define WmiAcpiRegInfoTrace 0x00000200
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#define WmiAcpiEvalTrace 0x00001000
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#define ACPI_EVAL_OUTPUT_FUDGE sizeof(ACPI_EVAL_OUTPUT_BUFFER)
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#define WmiAcpiPoolTag 'AimW'
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typedef struct
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{
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GUID Guid;
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union
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{
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CHAR ObjectId[2];
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struct
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{
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UCHAR NotificationValue;
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UCHAR Reserved;
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} NotifyId;
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};
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USHORT Flags;
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} WMIACPIMAPINFO, *PWMIACPIMAPINFO;
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#define WmiAcpiMethodToMethodAsUlong(c1, c2, c3, c4) \
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((ULONG)( c1 | (c2 << 8) | (c3 << 16) | (c4 << 24)))
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#define _WDGMethodAsULONG (WmiAcpiMethodToMethodAsUlong('_','W','D','G'))
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#define _WEDMethodAsULONG (WmiAcpiMethodToMethodAsUlong('_','W','E','D'))
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typedef struct
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{
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GUID Guid; // Guid that names data block
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union
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{
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CHAR ObjectId[2]; // 2 character ACPI id for Data Blocks and Methods
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struct
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{
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UCHAR NotificationValue; // Byte value passed by event handler control method
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UCHAR Reserved[1];
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} NotifyId;
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};
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UCHAR InstanceCount;
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UCHAR Flags;
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} WMIACPIGUIDMAP, *PWMIACPIGUIDMAP;
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// Set this flag if the WCxx control method should be run to whenever
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// the first data consumer is interested in collecting the data block
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// and whenever the last data consumer is no longer interested.
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#define WMIACPI_REGFLAG_EXPENSIVE 0x1
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// Set this flag if the guid represents a set of WMI method calls and
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// not a data block
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#define WMIACPI_REGFLAG_METHOD 0x2
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// Set this flag if the data block is wholly composed of a string
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// and should be translated from ASCIZ to UNICODE in returning queries
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// and from UNICODE to ASCIZ when
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// passing sets
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#define WMIACPI_REGFLAG_STRING 0x04
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// Set this flag if the guid maps to an event rather than a data block
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// or method
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#define WMIACPI_REGFLAG_EVENT 0x08
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typedef struct
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{
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WORK_QUEUE_ITEM WorkQueueItem;
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PVOID CallerContext;
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PWORKER_THREAD_ROUTINE CallerWorkItemRoutine;
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PDEVICE_OBJECT DeviceObject;
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ULONG Status;
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PUCHAR OutBuffer;
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ULONG OutBufferSize;
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} IRP_CONTEXT_BLOCK, *PIRP_CONTEXT_BLOCK;
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//
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// This defines the maximum size for the data returned from the _WED method
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// and thus the maximum size of the data associated with an event
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#define _WEDBufferSize 512
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//
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// Device extension for WMI acpi mapping devices
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typedef struct
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{
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PDEVICE_OBJECT LowerDeviceObject;
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PDEVICE_OBJECT LowerPDO;
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ULONG GuidMapCount;
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PWMIACPIMAPINFO WmiAcpiMapInfo;
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ULONG Flags;
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WMILIB_CONTEXT WmilibContext;
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ACPI_INTERFACE_STANDARD WmiAcpiDirectInterface;
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BOOLEAN AcpiNotificationEnabled;
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} DEVICE_EXTENSION, *PDEVICE_EXTENSION;
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//
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// If this flag is set that means that the device has been removed from the
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// system and any requests sent to it should be rejected. The only memory
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// that can be relied upon is the DeviceExtension, but nothing that the
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// device extension points to.
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#define DEVFLAG_REMOVED 0x00000001
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//
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// If this flag is set then the device has successfully registered with WMI
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#define DEVFLAG_WMIREGED 0x00000002
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