MPIO_CONTROLLER_INFO - NtDoc

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

typedef struct _MPIO_CONTROLLER_INFO {
  ULONG IdentifierType;
  ULONG IdentifierLength;
  UCHAR Identifier[32];
  ULONG ControllerState;
  ULONG Pad;
  WCHAR AssociatedDsm[63 + 1];
} MPIO_CONTROLLER_INFO, *PMPIO_CONTROLLER_INFO;
View the official Windows Driver Kit DDI reference

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

_MPIO_CONTROLLER_INFO structure

Description

The MPIO_CONTROLLER_INFO structure represents a storage controller.

Members

IdentifierType

An unsigned 32-bitfield that represents the identifier type for the controller.

IdentifierLength

An unsigned 32-bitfield that represents the length of the controller's identifier.

Identifier

A 32-byte array that contains the actual identifier (serial number) of the controller.

ControllerState

An unsigned 32-bitfield that represents the controller state.

Pad

Should be zero.

AssociatedDsm

A string field of maximum length 63 characters. This string field returns the friendly name of the DSM that controls the devices that are exposed by this controller.

View the official Windows Driver Kit DDI reference

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