// mpiowmi.h

typedef struct _MPIO_ADAPTER_INFORMATION {
  ULONGLONG PathId;
  UCHAR     BusNumber;
  UCHAR     DeviceNumber;
  UCHAR     FunctionNumber;
  UCHAR     Pad;
  WCHAR     AdapterName[63 + 1];
} MPIO_ADAPTER_INFORMATION, *PMPIO_ADAPTER_INFORMATION;
View the official Windows Driver Kit DDI reference

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Windows Driver Kit DDI reference (ns-mpiowmi-_mpio_adapter_information)

_MPIO_ADAPTER_INFORMATION structure

Description

The MPIO_ADAPTER_INFORMATION structure contains information that pertains to MPIO's view of a path.

Members

`PathId`

An unsigned 64-bitfield that represents an identifier that is assigned to a particular path. This field will match the PathIdentifier field in the instance(s) of the PDO_INFORMATION class that represent device(s) exposed via this path.

`BusNumber`

An unsigned 8-bitfield that corresponds to the bus number that is assigned by PCI to the host bus adapter through which this path is exposed.

`DeviceNumber`

An unsigned 8-bitfield that corresponds to the device number that is assigned by PCI to the host bus adapter through which this path is exposed.

`FunctionNumber`

An unsigned 8-bitfield that corresponds to the function number that is assigned by PCI to the host bus adapter through which this path is exposed.

`Pad`

Should be zero.

`AdapterName`

A string field that returns the friendly name of the host bus adapter through which this path is exposed.

View the official Windows Driver Kit DDI reference

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