_EFI_DRIVER_BINDING_PROTOCOL Struct Reference


Data Fields

EFI_DRIVER_BINDING_SUPPORTED Supported
EFI_DRIVER_BINDING_START Start
EFI_DRIVER_BINDING_STOP Stop
UINT32 Version
EFI_HANDLE ImageHandle
EFI_HANDLE DriverBindingHandle

Detailed Description

This protocol provides the services required to determine if a driver supports a given controller. If a controller is supported, then it also provides routines to start and stop the controller.

Field Documentation

The handle on which this instance of the EFI_DRIVER_BINDING_PROTOCOL is installed. In most cases, this is the same handle as ImageHandle. However, for UEFI drivers that produce more than one instance of the EFI_DRIVER_BINDING_PROTOCOL, this value may not be the same as ImageHandle.

The image handle of the UEFI driver that produced this instance of the EFI_DRIVER_BINDING_PROTOCOL.

The version number of the UEFI driver that produced the EFI_DRIVER_BINDING_PROTOCOL. This field is used by the EFI boot service ConnectController() to determine the order that driver's Supported() service will be used when a controller needs to be started. EFI Driver Binding Protocol instances with higher Version values will be used before ones with lower Version values. The Version values of 0x0- 0x0f and 0xfffffff0-0xffffffff are reserved for platform/OEM specific drivers. The Version values of 0x10- 0xffffffef are reserved for IHV-developed drivers.


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