StorPortRevertToUserGroupAffinityThread - NtDoc

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

ULONG StorPortRevertToUserGroupAffinityThread(
  [in]          PVOID                HwDeviceExtension,
  [in/optional] PVOID                ThreadContext,
  [in]          PSTOR_GROUP_AFFINITY PreviousAffinity
);
View the official Windows Driver Kit DDI reference

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Windows Driver Kit DDI reference (nf-storport-storportreverttousergroupaffinitythread)

Description

Parameters

HwDeviceExtension [in]

Pointer to the miniport's hardware device extension.

ThreadContext [in/optional]

Pointer to the thread context received in a prior call to StorPortCreateSystemThread.

PreviousAffinity [in]

Pointer to a STOR_GROUP_AFFINITY structure with the group affinity to restore. This group affinity was obtained in a prior call to StorPortSetSystemGroupAffinityThread.

Return value

StorPortRevertToUserGroupAffinityThread returns one of the following values:

Return code Description
STOR_STATUS_SUCCESS The original group affinity was restored successfully.
STOR_STATUS_INVALID_IRQL IRQL level must be <= DISPATCH_LEVEL.
STOR_STATUS_INVALID_PARAMETER One or more of the provided parameters are invalid.
STOR_STATUS_UNSUCCESSFUL Returned for other internal system reasons.

Remarks

If a miniport calls StorPortSetSystemGroupAffinityThread to temporarily change the group affinity of the thread, then it should call StorPortRevertToUserGroupAffinityThread to revert thread affinity to its original value before the thread exits.

See also

STOR_GROUP_AFFINITY

StorPortCreateSystemThread

StorPortSetSystemGroupAffinityThread

View the official Windows Driver Kit DDI reference

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