StorPortGetSystemPortNumber - NtDoc

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

ULONG StorPortGetSystemPortNumber(
  [in]      PVOID         HwDeviceExtension,
  [in, out] PSTOR_ADDRESS Address
);
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Windows Driver Kit DDI reference (nf-storport-storportgetsystemportnumber)

StorPortGetSystemPortNumber function

Description

The StorPortGetSystemPortNumber routine retrieves the system assigned port number for a storage adapter.

Parameters

HwDeviceExtension [in]

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

Address [in, out]

A pointer to a storage address structure formatted as STOR_ADDR_BTL8. On return, the Port member of this structure will contain the port value assigned to the adapter.

Return value

StorPortGetSystemPortNumber returns one of the following status codes:

Return code Description
STOR_STATUS_INVALID_DEVICE_STATE A port number value is not yet assigned to the storage adapter.
STOR_STATUS_SUCCESS Indicates that port number of the storage adapter was returned successfully.
STOR_STATUS_INVALID_PARAMETER The HwDeviceExtension was NULL.

-or-

The Type member of Address is not STOR_ADDRESS_TYPE_BTL8.

Remarks

The address structure pointed to by Address is allocated and formatted as STOR_ADDR_BTL8. The Type member of Address must be set to STOR_ADDRESS_TYPE_BTL8 and the Length member Address must be greater than or equal to STOR_ADDR_BTL8_ADDRESS_LENGTH.

See also

STOR_ADDRESS

STOR_ADDR_BTL8

View the official Windows Driver Kit DDI reference

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