po.c File Reference

#include <ntdef.h>
#include <ntifs.h>

Include dependency graph for po.c:

Go to the source code of this file.

Functions
NTKRNLVISTAAPI NTSTATUS NTAPI	PoRegisterPowerSettingCallback (_In_opt_ PDEVICE_OBJECT DeviceObject, _In_ LPCGUID SettingGuid, _In_ PPOWER_SETTING_CALLBACK Callback, _In_opt_ PVOID Context, _Outptr_opt_ PVOID *Handle)
	_IRQL_requires_max_ (APC_LEVEL)
	Probes and locks virtual pages in memory for the specified process.
	_IRQL_requires_max_ (DISPATCH_LEVEL)

Function Documentation

_IRQL_requires_max_() [1/2]

_IRQL_requires_max_

(

APC_LEVEL

)

Probes and locks virtual pages in memory for the specified process.

Parameters

[in,out]	MemoryDescriptorList	Memory Descriptor List (MDL) containing the buffer to be probed and locked.
[in]	Process	The process for which the buffer should be probed and locked.
[in]	AccessMode	Access mode for probing the pages. Can be KernelMode or UserMode.
[in]	LockOperation	The type of the probing and locking operation. Can be IoReadAccess, IoWriteAccess or IoModifyAccess.

Returns

Nothing.

See also

MmProbeAndLockPages

Remarks

Must be called at IRQL <= APC_LEVEL

Probes and locks virtual pages in memory for the specified process.

Frees previously reserved amount of memory in system virtual address space.

Parameters

[in]	NumberOfBytes	Size, in bytes, of memory to reserve.
[in]	PoolTag	Pool Tag identifying the buffer. Usually consists from 4 characters in reversed order.

Returns

A pointer to the 1st memory block of the reserved buffer in case of success, NULL otherwise.

Remarks

Must be called at IRQL <= APC_LEVEL

Parameters

[in]	BaseAddress	A pointer to the 1st memory block of the reserved buffer.
[in]	PoolTag	Pool Tag identifying the buffer. Usually consists from 4 characters in reversed order.

Returns

Nothing.

See also

MmAllocateMappingAddress

Remarks

Must be called at IRQL <= APC_LEVEL

Definition at line 24 of file po.c.

{
    return STATUS_NOT_IMPLEMENTED;
}

_IRQL_requires_max_() [2/2]

_IRQL_requires_max_

(

DISPATCH_LEVEL

)

Definition at line 34 of file po.c.

{
    return FALSE;
}

PoRegisterPowerSettingCallback()

NTKRNLVISTAAPI NTSTATUS NTAPI PoRegisterPowerSettingCallback	(	_In_opt_ PDEVICE_OBJECT	DeviceObject,
		_In_ LPCGUID	SettingGuid,
		_In_ PPOWER_SETTING_CALLBACK	Callback,
		_In_opt_ PVOID	Context,
		_Outptr_opt_ PVOID *	Handle
	)

Definition at line 14 of file po.c.

{
    return STATUS_NOT_IMPLEMENTED;
}

Referenced by ClasspEnableIdlePower(), and ClasspInitializePolling().