606 lines
15 KiB
C
606 lines
15 KiB
C
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/*++ BUILD Version: 0001 // Increment this if a change has global effects
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Copyright (c) 1994 Microsoft Corporation
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Copyright (c) 1994 International Business Machines Corporation
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Module Name:
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po.h
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Abstract:
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This module contains the internal structure definitions and APIs used by
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the NT Power Management.
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Author:
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Ken Reneris (kenr) 19-July-1994
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N. Yoshiyama [IBM Corp.] 01-Mar-1994
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Revision History:
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--*/
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#ifndef _PO_
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#define _PO_
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#include "xpress.h" // XPRESS declarations
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//
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// XPRESS compression header (LZNT1 will treat it as erroneous block)
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//
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#define XPRESS_HEADER_STRING "\x81\x81xpress"
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#define XPRESS_HEADER_STRING_SIZE 8
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//
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// size of header (shall be at least 16 and be multiple of XPRESS_ALIGNMENT)
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//
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#define XPRESS_HEADER_SIZE 32
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//
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// max # of pages Xpress may handle at once
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//
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#define XPRESS_MAX_PAGES (XPRESS_MAX_BLOCK >> PAGE_SHIFT)
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//
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// max size of block aligned on page boundary
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//
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#define XPRESS_MAX_SIZE (XPRESS_MAX_PAGES << PAGE_SHIFT)
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#if DBG
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VOID
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PoPowerTracePrint(
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ULONG TracePoint,
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ULONG_PTR Caller,
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ULONG_PTR CallerCaller,
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ULONG_PTR DeviceObject,
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ULONG_PTR Irp,
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ULONG_PTR Ios
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);
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#define PoPowerTrace(TracePoint,DevObj,Arg1,Arg2) \
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{\
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PVOID pptcCaller; \
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PVOID pptcCallerCaller; \
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RtlGetCallersAddress(&pptcCaller, &pptcCallerCaller); \
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PoPowerTracePrint(TracePoint, (ULONG_PTR)pptcCaller, (ULONG_PTR)pptcCallerCaller, (ULONG_PTR)DevObj, (ULONG_PTR)Arg1, (ULONG_PTR)Arg2); \
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}
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#else
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#define PoPowerTrace(TracePoint,DevObj,Arg1,Arg2)
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#endif
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#define POWERTRACE_CALL 0x1
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#define POWERTRACE_PRESENT 0x2
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#define POWERTRACE_STARTNEXT 0x4
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#define POWERTRACE_SETSTATE 0x8
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#define POWERTRACE_COMPLETE 0x10
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VOID
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FASTCALL
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PoInitializePrcb (
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PKPRCB Prcb
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);
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BOOLEAN
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PoInitSystem (
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IN ULONG Phase
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);
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VOID
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PoInitDriverServices (
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IN ULONG Phase
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);
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VOID
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PoInitHiberServices (
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IN BOOLEAN Setup
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);
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VOID
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PoGetDevicePowerState (
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IN PDEVICE_OBJECT PhysicalDeviceObject,
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OUT DEVICE_POWER_STATE *DevicePowerState
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);
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VOID
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PoInitializeDeviceObject (
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IN PDEVOBJ_EXTENSION DeviceObjectExtension
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);
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VOID
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PoRunDownDeviceObject (
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IN PDEVICE_OBJECT DeviceObject
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);
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NTKERNELAPI
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VOID
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PopCleanupPowerState (
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IN OUT PUCHAR PowerState
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);
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#define PoRundownThread(Thread) \
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PopCleanupPowerState(&Thread->Tcb.PowerState)
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#define PoRundownProcess(Process) \
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PopCleanupPowerState(&Process->Pcb.PowerState)
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VOID
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PoNotifySystemTimeSet (
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VOID
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);
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VOID
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PoInvalidateDevicePowerRelations(
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PDEVICE_OBJECT DeviceObject
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);
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VOID
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PoShutdownBugCheck (
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IN BOOLEAN AllowCrashDump,
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IN ULONG BugCheckCode,
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IN ULONG_PTR BugCheckParameter1,
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IN ULONG_PTR BugCheckParameter2,
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IN ULONG_PTR BugCheckParameter3,
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IN ULONG_PTR BugCheckParameter4
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);
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// begin_nthal
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NTKERNELAPI
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VOID
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PoSetHiberRange (
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IN PVOID MemoryMap,
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IN ULONG Flags,
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IN PVOID Address,
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IN ULONG_PTR Length,
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IN ULONG Tag
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);
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// memory_range.Type
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#define PO_MEM_PRESERVE 0x00000001 // memory range needs preserved
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#define PO_MEM_CLONE 0x00000002 // Clone this range
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#define PO_MEM_CL_OR_NCHK 0x00000004 // Either clone or do not checksum
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#define PO_MEM_DISCARD 0x00008000 // This range to be removed
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#define PO_MEM_PAGE_ADDRESS 0x00004000 // Arguments passed are physical pages
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// end_nthal
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#define PoWakeTimerSupported() \
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(PopCapabilities.RtcWake >= PowerSystemSleeping1)
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ULONG
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PoSimpleCheck (
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IN ULONG PatialSum,
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IN PVOID StartVa,
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IN ULONG_PTR Length
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);
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BOOLEAN
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PoSystemIdleWorker (
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IN BOOLEAN IdleWorker
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);
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VOID
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PoVolumeDevice(
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IN PDEVICE_OBJECT DeviceObject
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);
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VOID
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PoSetWarmEjectDevice(
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IN PDEVICE_OBJECT DeviceObject
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) ;
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NTSTATUS
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PoGetLightestSystemStateForEject(
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IN BOOLEAN DockBeingEjected,
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IN BOOLEAN HotEjectSupported,
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IN BOOLEAN WarmEjectSupported,
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OUT PSYSTEM_POWER_STATE LightestSleepState
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);
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// begin_ntddk begin_wdm begin_ntosp
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NTKERNELAPI
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VOID
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PoSetSystemState (
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IN EXECUTION_STATE Flags
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);
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// begin_ntifs
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NTKERNELAPI
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PVOID
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PoRegisterSystemState (
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IN PVOID StateHandle,
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IN EXECUTION_STATE Flags
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);
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// end_ntifs
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typedef
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VOID
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(*PREQUEST_POWER_COMPLETE) (
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IN PDEVICE_OBJECT DeviceObject,
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IN UCHAR MinorFunction,
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IN POWER_STATE PowerState,
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IN PVOID Context,
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IN PIO_STATUS_BLOCK IoStatus
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);
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NTKERNELAPI
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NTSTATUS
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PoRequestPowerIrp (
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IN PDEVICE_OBJECT DeviceObject,
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IN UCHAR MinorFunction,
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IN POWER_STATE PowerState,
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IN PREQUEST_POWER_COMPLETE CompletionFunction,
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IN PVOID Context,
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OUT PIRP *Irp OPTIONAL
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);
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NTKERNELAPI
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NTSTATUS
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PoRequestShutdownEvent (
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OUT PVOID *Event
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);
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NTKERNELAPI
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NTSTATUS
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PoRequestShutdownWait (
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IN PETHREAD Thread
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);
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// begin_ntifs
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NTKERNELAPI
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VOID
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PoUnregisterSystemState (
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IN PVOID StateHandle
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);
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// begin_nthal
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NTKERNELAPI
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POWER_STATE
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PoSetPowerState (
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IN PDEVICE_OBJECT DeviceObject,
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IN POWER_STATE_TYPE Type,
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IN POWER_STATE State
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);
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NTKERNELAPI
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NTSTATUS
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PoCallDriver (
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IN PDEVICE_OBJECT DeviceObject,
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IN OUT PIRP Irp
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);
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NTKERNELAPI
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VOID
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PoStartNextPowerIrp(
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IN PIRP Irp
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);
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NTKERNELAPI
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PULONG
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PoRegisterDeviceForIdleDetection (
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IN PDEVICE_OBJECT DeviceObject,
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IN ULONG ConservationIdleTime,
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IN ULONG PerformanceIdleTime,
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IN DEVICE_POWER_STATE State
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);
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#define PoSetDeviceBusy(IdlePointer) \
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*IdlePointer = 0
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//
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// \Callback\PowerState values
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//
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#define PO_CB_SYSTEM_POWER_POLICY 0
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#define PO_CB_AC_STATUS 1
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#define PO_CB_BUTTON_COLLISION 2
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#define PO_CB_SYSTEM_STATE_LOCK 3
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#define PO_CB_LID_SWITCH_STATE 4
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#define PO_CB_PROCESSOR_POWER_POLICY 5
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// end_ntddk end_wdm end_nthal
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// Used for queuing work items to be performed at shutdown time. Same
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// rules apply as per Ex work queues.
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NTKERNELAPI
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NTSTATUS
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PoQueueShutdownWorkItem(
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IN PWORK_QUEUE_ITEM WorkItem
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);
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// end_ntosp end_ntifs
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//
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// Broken functions we don't intend to keep supporting. The code backing these
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// should be ripped out in NT5.1
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//
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typedef
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VOID
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(*PPO_NOTIFY) (
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IN PDEVICE_OBJECT DeviceObject,
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IN PVOID Context,
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IN ULONG Type,
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IN ULONG Reserved
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);
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#define PO_NOTIFY_D0 0x00000001
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#define PO_NOTIFY_TRANSITIONING_FROM_D0 0x00000002
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#define PO_NOTIFY_INVALID 0x80000000
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NTKERNELAPI
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NTSTATUS
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PoRegisterDeviceNotify (
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IN PDEVICE_OBJECT DeviceObject,
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IN PPO_NOTIFY NotificationFunction,
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IN PVOID NotificationContext,
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IN ULONG NotificationType,
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OUT PDEVICE_POWER_STATE DeviceState,
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OUT PVOID *NotificationHandle
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);
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NTKERNELAPI
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NTSTATUS
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PoCancelDeviceNotify (
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IN PVOID NotificationHandle
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);
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//
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// Callout set state failure notification
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//
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typedef struct {
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NTSTATUS Status;
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POWER_ACTION PowerAction;
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SYSTEM_POWER_STATE MinState;
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ULONG Flags;
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} PO_SET_STATE_FAILURE, *PPO_SET_STATE_FAILURE;
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//
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// Hibernation file layout:
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// Page 0 - PO_MEMORY_IMAGE
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// Page 1 - Free page array
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// Page 2 - KPROCESSOR_CONTEXT
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// Page 3 - first memory_range_array page
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//
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// PO_MEMORY_IMAGE:
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// Header in file which contains some information to identify
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// the hibernation, as well as a couple of checksums.
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//
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// Free page array:
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// A page full of page numbers which identify 4MBs worth of
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// system pages that are not in the restoration image. These
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// pages are used by the loader (to keep itself out of the way)
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// when restoring the memory image.
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//
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// KPROCESSOR_CONTEST
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// The context of the processor which hibernated the system.
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// Rest of page is empty.
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//
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// memory_range_array
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// A page which contains an array of memory_range_array elements
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// where element 0 is a Link entry, and all other elements are
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// Range entries. The Link entry is used to link to the next
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// such page, and to supply a count of the number of Range entries
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// in the current page. The range entries each describe one
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// physical memory range which needs restoration and its location
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// in the file.
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//
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typedef struct _PO_MEMORY_RANGE_ARRAY {
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union {
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struct {
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PFN_NUMBER PageNo;
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PFN_NUMBER StartPage;
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PFN_NUMBER EndPage;
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ULONG CheckSum;
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} Range;
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struct {
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struct _PO_MEMORY_RANGE_ARRAY *Next;
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PFN_NUMBER NextTable;
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ULONG CheckSum;
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ULONG EntryCount;
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} Link;
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};
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} PO_MEMORY_RANGE_ARRAY, *PPO_MEMORY_RANGE_ARRAY;
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#define PO_MAX_RANGE_ARRAY (PAGE_SIZE / sizeof(PO_MEMORY_RANGE_ARRAY))
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#define PO_ENTRIES_PER_PAGE (PO_MAX_RANGE_ARRAY-1)
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#define PO_IMAGE_SIGNATURE 'rbih'
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||
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#define PO_IMAGE_SIGNATURE_WAKE 'ekaw'
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||
|
|
#define PO_IMAGE_SIGNATURE_BREAK 'pkrb'
|
||
|
|
#define PO_IMAGE_SIGNATURE_LINK 'knil'
|
||
|
|
#define PO_IMAGE_HEADER_PAGE 0
|
||
|
|
#define PO_FREE_MAP_PAGE 1
|
||
|
|
#define PO_PROCESSOR_CONTEXT_PAGE 2
|
||
|
|
#define PO_FIRST_RANGE_TABLE_PAGE 3
|
||
|
|
|
||
|
|
#define PO_COMPRESS_CHUNK_SIZE 4096
|
||
|
|
|
||
|
|
//
|
||
|
|
// Perf information
|
||
|
|
//
|
||
|
|
typedef struct _PO_HIBER_PERF {
|
||
|
|
ULONGLONG IoTicks;
|
||
|
|
ULONGLONG InitTicks;
|
||
|
|
ULONGLONG CopyTicks;
|
||
|
|
ULONGLONG StartCount;
|
||
|
|
ULONG ElapsedTime;
|
||
|
|
ULONG IoTime;
|
||
|
|
ULONG CopyTime;
|
||
|
|
ULONG InitTime;
|
||
|
|
ULONG PagesWritten;
|
||
|
|
ULONG PagesProcessed;
|
||
|
|
ULONG BytesCopied;
|
||
|
|
ULONG DumpCount;
|
||
|
|
ULONG FileRuns;
|
||
|
|
|
||
|
|
} PO_HIBER_PERF, *PPO_HIBER_PERF;
|
||
|
|
|
||
|
|
//
|
||
|
|
// Define various HiberFlags to control the behavior when restoring
|
||
|
|
//
|
||
|
|
#define PO_HIBER_APM_RECONNECT 1
|
||
|
|
|
||
|
|
typedef struct {
|
||
|
|
ULONG Signature;
|
||
|
|
ULONG Version;
|
||
|
|
ULONG CheckSum;
|
||
|
|
ULONG LengthSelf;
|
||
|
|
PFN_NUMBER PageSelf;
|
||
|
|
ULONG PageSize;
|
||
|
|
|
||
|
|
ULONG ImageType;
|
||
|
|
LARGE_INTEGER SystemTime;
|
||
|
|
ULONGLONG InterruptTime;
|
||
|
|
ULONG FeatureFlags;
|
||
|
|
UCHAR HiberFlags;
|
||
|
|
UCHAR spare[3];
|
||
|
|
|
||
|
|
ULONG NoHiberPtes;
|
||
|
|
ULONG_PTR HiberVa;
|
||
|
|
PHYSICAL_ADDRESS HiberPte;
|
||
|
|
|
||
|
|
ULONG NoFreePages;
|
||
|
|
ULONG FreeMapCheck;
|
||
|
|
ULONG WakeCheck;
|
||
|
|
|
||
|
|
PFN_NUMBER TotalPages;
|
||
|
|
PFN_NUMBER FirstTablePage;
|
||
|
|
PFN_NUMBER LastFilePage;
|
||
|
|
|
||
|
|
//
|
||
|
|
// Perf stuff
|
||
|
|
//
|
||
|
|
PO_HIBER_PERF PerfInfo;
|
||
|
|
} PO_MEMORY_IMAGE, *PPO_MEMORY_IMAGE;
|
||
|
|
|
||
|
|
|
||
|
|
typedef struct {
|
||
|
|
ULONG Signature;
|
||
|
|
WCHAR Name[1];
|
||
|
|
} PO_IMAGE_LINK, *PPO_IMAGE_LINK;
|
||
|
|
|
||
|
|
//
|
||
|
|
// Returned by Io system
|
||
|
|
//
|
||
|
|
|
||
|
|
typedef struct _PO_DEVICE_NOTIFY {
|
||
|
|
LIST_ENTRY Link;
|
||
|
|
PDEVICE_OBJECT TargetDevice;
|
||
|
|
|
||
|
|
BOOLEAN WakeNeeded;
|
||
|
|
UCHAR OrderLevel;
|
||
|
|
|
||
|
|
PDEVICE_OBJECT DeviceObject;
|
||
|
|
PVOID Node;
|
||
|
|
PWCHAR DeviceName;
|
||
|
|
PWCHAR DriverName;
|
||
|
|
ULONG ChildCount;
|
||
|
|
ULONG ActiveChild;
|
||
|
|
|
||
|
|
} PO_DEVICE_NOTIFY, *PPO_DEVICE_NOTIFY;
|
||
|
|
|
||
|
|
//
|
||
|
|
// A PO_DEVICE_NOTIFY_LEVEL structure holds all the PO_DEVICE_NOTIFY
|
||
|
|
// structures for a given level. Every PO_DEVICE_NOTIFY is on one of
|
||
|
|
// the lists. As we send power irps, the notify structure progresses
|
||
|
|
// through all the lists.
|
||
|
|
//
|
||
|
|
typedef struct _PO_NOTIFY_ORDER_LEVEL {
|
||
|
|
KEVENT LevelReady;
|
||
|
|
ULONG DeviceCount; // number of devices on this notify level
|
||
|
|
ULONG ActiveCount; // number of devices until this level is complete
|
||
|
|
LIST_ENTRY WaitSleep; // waiting for children to complete their Sx irps
|
||
|
|
LIST_ENTRY ReadySleep; // ready to receive a Sx irp
|
||
|
|
LIST_ENTRY Pending; // A Sx or S0 irp is outstanding
|
||
|
|
LIST_ENTRY Complete; // Fully awake.
|
||
|
|
LIST_ENTRY ReadyS0; // Ready to receive a S0 irp
|
||
|
|
LIST_ENTRY WaitS0; // waiting for parent to complete their S0 irp
|
||
|
|
} PO_NOTIFY_ORDER_LEVEL, *PPO_NOTIFY_ORDER_LEVEL;
|
||
|
|
|
||
|
|
#define PO_ORDER_NOT_VIDEO 0x0001
|
||
|
|
#define PO_ORDER_ROOT_ENUM 0x0002
|
||
|
|
#define PO_ORDER_PAGABLE 0x0004
|
||
|
|
#define PO_ORDER_MAXIMUM 0x0007
|
||
|
|
|
||
|
|
// notify GDI before this order level
|
||
|
|
#define PO_ORDER_GDI_NOTIFICATION (PO_ORDER_PAGABLE)
|
||
|
|
|
||
|
|
typedef struct _PO_DEVICE_NOTIFY_ORDER {
|
||
|
|
ULONG DevNodeSequence;
|
||
|
|
PDEVICE_OBJECT *WarmEjectPdoPointer;
|
||
|
|
PO_NOTIFY_ORDER_LEVEL OrderLevel[PO_ORDER_MAXIMUM+1];
|
||
|
|
} PO_DEVICE_NOTIFY_ORDER, *PPO_DEVICE_NOTIFY_ORDER;
|
||
|
|
|
||
|
|
extern KAFFINITY PoSleepingSummary;
|
||
|
|
extern BOOLEAN PoEnabled;
|
||
|
|
extern ULONG PoPowerSequence;
|
||
|
|
extern BOOLEAN PoPageLockData;
|
||
|
|
extern KTIMER PoSystemIdleTimer;
|
||
|
|
extern BOOLEAN PoHiberInProgress;
|
||
|
|
|
||
|
|
// PopCapabilities used by some internal macros
|
||
|
|
extern SYSTEM_POWER_CAPABILITIES PopCapabilities;
|
||
|
|
|
||
|
|
extern ULONG PopShutdownCleanly;
|
||
|
|
|
||
|
|
// Set this flag to make general clean shutdown-related things happen
|
||
|
|
// without setting any of the more specific things.
|
||
|
|
#define PO_CLEAN_SHUTDOWN_GENERAL (0x1)
|
||
|
|
|
||
|
|
// PO_CLEAN_SHUTDOWN_PAGING forces unlocked pageable data to become
|
||
|
|
// unavailable once paging is shut down.
|
||
|
|
#define PO_CLEAN_SHUTDOWN_PAGING (0x2)
|
||
|
|
|
||
|
|
// PO_CLEAN_SHUTDOWN_WORKERS causes the Ex worker threads to be torn
|
||
|
|
// down at shutdown time (ensuring that their queues are flushed and
|
||
|
|
// no more work items are posted).
|
||
|
|
#define PO_CLEAN_SHUTDOWN_WORKERS (0x4)
|
||
|
|
|
||
|
|
// PO_CLEAN_SHUTDOWN_REGISTRY causes all open registry keys to be
|
||
|
|
// dumped to the debugger at shutdown time.
|
||
|
|
#define PO_CLEAN_SHUTDOWN_REGISTRY (0x8)
|
||
|
|
|
||
|
|
// PO_CLEAN_SHUTDOWN_OB causes the object manager namespace to be
|
||
|
|
// flushed of all permanent objects, and causes ob cleanup to occur.
|
||
|
|
#define PO_CLEAN_SHUTDOWN_OB (0x10)
|
||
|
|
|
||
|
|
// PO_CLEAN_SHUTDOWN_PNP causes PNP to QueryRemove/Remove all the PNP devices
|
||
|
|
// in the system.
|
||
|
|
#define PO_CLEAN_SHUTDOWN_PNP (0x20)
|
||
|
|
|
||
|
|
// This function returns non-zero if the system should be shut down cleanly.
|
||
|
|
ULONG
|
||
|
|
FORCEINLINE
|
||
|
|
PoCleanShutdownEnabled(
|
||
|
|
VOID
|
||
|
|
)
|
||
|
|
{
|
||
|
|
return PopShutdownCleanly;
|
||
|
|
}
|
||
|
|
|
||
|
|
// This is the worker queue which po will use for shutdown
|
||
|
|
#define PO_SHUTDOWN_QUEUE (CriticalWorkQueue)
|
||
|
|
|
||
|
|
#endif
|
||
|
|
|