StorPortGetCurrentIrql - NtDoc

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

ULONG StorPortGetCurrentIrql(
  [in]  PVOID  HwDeviceExtension,
  [out] PKIRQL Irql
);
View the official Windows Driver Kit DDI reference

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

Description

StorPortGetCurrentIrql retrieves the current interrupt request level (IRQL).

Parameters

HwDeviceExtension [in]

A pointer to the miniport's device extension.

Irql [out]

Pointer to a KIRQL structure in which the current IRQL will be stored. Irql cannot be NULL.

Return value

This function returns one of the following status codes.

Return code Description
STOR_STATUS_SUCCESS The IRQL was successfully retrieved.
STOR_STATUS_INVALID_PARAMETER Irql is a null pointer.
STOR_STATUS_UNSUCCESSFUL Returned for other internal system reasons.

Remarks

A miniport can call StorPortGetCurrentIrql to query the current IRQL. KIRQL is defined in miniport.h. For general information about IRQLs, see Managing Hardware Priorities.

See also

View the official Windows Driver Kit DDI reference

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