PAGP_RELEASE_PHYSICAL - NtDoc

Native API online documentation, based on the System Informer (formerly Process Hacker) phnt headers 
// videoagp.h

PAGP_RELEASE_PHYSICAL PagpReleasePhysical;

VOID PagpReleasePhysical(
  [in] IN PVOID HwDeviceExtension,
  [in] IN PVOID PhysicalReserveContext
)
{...}
View the official Windows Driver Kit DDI reference

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Windows Driver Kit DDI reference (nc-videoagp-pagp_release_physical)

PAGP_RELEASE_PHYSICAL callback function

Description

The AgpReleasePhysical function frees a physical address range reserved by a previous call to AgpReservePhysical.

Parameters

HwDeviceExtension [in]

Pointer to the miniport driver's device extension.

PhysicalReserveContext [in]

Is the context handle that identifies the reserved physical address range to be released. This context was obtained from AgpReservePhysical.

Remarks

The miniport driver must call AgpFreePhysical to unmap all committed memory within the address range identified by PhysicalReserveContext before calling AgpReleasePhysical.

See also

AgpFreePhysical

AgpReservePhysical

View the official Windows Driver Kit DDI reference

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