// ndkpi.h

typedef enum _NDK_OPERATION_TYPE {
  NdkOperationTypeReceive,
  NdkOperationTypeReceiveAndInvalidate,
  NdkOperationTypeSend,
  NdkOperationTypeFastRegister,
  NdkOperationTypeBind,
  NdkOperationTypeInvalidate,
  NdkOperationTypeRead,
  NdkOperationTypeWrite
} NDK_OPERATION_TYPE;
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Windows Driver Kit DDI reference (ne-ndkpi-_ndk_operation_type)

_NDK_OPERATION_TYPE enumeration

Description

The NDK_OPERATION_TYPE enumeration defines types of NDK operations. Its enumeration values are used in the Type member of the NDK_RESULT_EX structure.

Constants

`NdkOperationTypeReceive`

An NdkReceive (NDK_FN_RECEIVE) operation.

`NdkOperationTypeReceiveAndInvalidate`

An NdkSendAndInvalidate (NDK_FN_SEND_AND_INVALIDATE) operation.

`NdkOperationTypeSend`

An NdkSend (NDK_FN_SEND) operation.

`NdkOperationTypeFastRegister`

An NdkFastRegister (NDK_FN_FAST_REGISTER) operation.

`NdkOperationTypeBind`

An NdkBind (NDK_FN_BIND) operation.

`NdkOperationTypeInvalidate`

An NdkInvalidate (NDK_FN_INVALIDATE) operation.

`NdkOperationTypeRead`

An NdkRead (NDK_FN_READ) operation.

`NdkOperationTypeWrite`

An NdkWrite (NDK_FN_WRITE) operation.

NDK_OPERATION_TYPE - NtDoc