audk/OvmfPkg/MptScsiDxe/MptScsi.c

/** @file

  This driver produces Extended SCSI Pass Thru Protocol instances for
  LSI Fusion MPT SCSI devices.

  Copyright (C) 2020, Oracle and/or its affiliates.

  SPDX-License-Identifier: BSD-2-Clause-Patent

**/

#include <Library/UefiLib.h>
#include <Uefi/UefiSpec.h>

//
// Higher versions will be used before lower, 0x10-0xffffffef is the version
// range for IVH (Indie Hardware Vendors)
//
#define MPT_SCSI_BINDING_VERSION 0x10

//
// Driver Binding
//

STATIC
EFI_STATUS
EFIAPI
MptScsiControllerSupported (
  IN EFI_DRIVER_BINDING_PROTOCOL            *This,
  IN EFI_HANDLE                             ControllerHandle,
  IN EFI_DEVICE_PATH_PROTOCOL               *RemainingDevicePath OPTIONAL
  )
{
  return EFI_UNSUPPORTED;
}

STATIC
EFI_STATUS
EFIAPI
MptScsiControllerStart (
  IN EFI_DRIVER_BINDING_PROTOCOL            *This,
  IN EFI_HANDLE                             ControllerHandle,
  IN EFI_DEVICE_PATH_PROTOCOL               *RemainingDevicePath OPTIONAL
  )
{
  return EFI_UNSUPPORTED;
}

STATIC
EFI_STATUS
EFIAPI
MptScsiControllerStop (
  IN EFI_DRIVER_BINDING_PROTOCOL            *This,
  IN  EFI_HANDLE                            ControllerHandle,
  IN  UINTN                                 NumberOfChildren,
  IN  EFI_HANDLE                            *ChildHandleBuffer
  )
{
  return EFI_UNSUPPORTED;
}

STATIC
EFI_DRIVER_BINDING_PROTOCOL mMptScsiDriverBinding = {
  &MptScsiControllerSupported,
  &MptScsiControllerStart,
  &MptScsiControllerStop,
  MPT_SCSI_BINDING_VERSION,
  NULL, // ImageHandle, filled by EfiLibInstallDriverBindingComponentName2
  NULL, // DriverBindingHandle, filled as well
};

//
// Entry Point
//

EFI_STATUS
EFIAPI
MptScsiEntryPoint (
  IN EFI_HANDLE       ImageHandle,
  IN EFI_SYSTEM_TABLE *SystemTable
  )
{
  return EfiLibInstallDriverBindingComponentName2 (
           ImageHandle,
           SystemTable,
           &mMptScsiDriverBinding,
           ImageHandle, // The handle to install onto
           NULL, // TODO Component name
           NULL // TODO Component name
           );
}