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StorPortIsDeviceOperationAllowed function (storport.h)

  • Artikel

A miniport driver can call the StorPortIsDeviceOperationAllowedminiport routine to determine if operations for a certain device management class are allowed. A status value is set in the return parameter to indicate whether such operations are allowed or not allowed for the device in its current operating environment.

Syntax

ULONG StorPortIsDeviceOperationAllowed(
  [in]  PVOID         HwDeviceExtension,
  [in]  PSTOR_ADDRESS Address,
  [in]  LPCGUID       DeviceOperation,
  [out] ULONG         *AllowedFlag
);

Parameters

[in] HwDeviceExtension

A pointer to the hardware device extension for the host bus adapter (HBA).

[in] Address

The address of a storage device unit.

[in] DeviceOperation

A pointer to a GUID specifying a device management operation class. The following GUID is valid.

Value Meaning
STORPORT_DEVICEOPERATION_SECURE_REPROVISION_GUID
 The device is enabled to receive secured provisioning commands.

[out] AllowedFlag

TRUE when the operation specified in DeviceOperation is allowed. Otherwise, FALSE.

Return value

The StorPortIsDeviceOperationAllowed routine returns one of these status codes:

Return code Description
STOR_STATUS_SUCCESS
 A valid value for AllowedFlag was returned.
STOR_STATUS_INVALID_PARAMETER
 Address points to an invalid unit address structure.

-or-

The storage device specified by Address is not found.

-or-

The pointer value in AllowedFlag is NULL.
STOR_STATUS_INVALID_IRQL
 The current IRQL > PASSIVE_LEVEL.
STOR_STATUS_NOT_IMPLEMENTED
 The management class specified in DeviceOperation is not available or invalid.

Requirements

Requirement Value
Minimum supported client Available in starting with Windows 8.1.
Target Platform Universal
Header storport.h
IRQL IRQL == PASSIVE_LEVEL