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Diffstat (limited to 'src/vendorcode/intel/edk2/UDK2017/MdePkg/Include/Protocol/DriverFamilyOverride.h')
-rw-r--r-- | src/vendorcode/intel/edk2/UDK2017/MdePkg/Include/Protocol/DriverFamilyOverride.h | 66 |
1 files changed, 66 insertions, 0 deletions
diff --git a/src/vendorcode/intel/edk2/UDK2017/MdePkg/Include/Protocol/DriverFamilyOverride.h b/src/vendorcode/intel/edk2/UDK2017/MdePkg/Include/Protocol/DriverFamilyOverride.h new file mode 100644 index 0000000000..868c773411 --- /dev/null +++ b/src/vendorcode/intel/edk2/UDK2017/MdePkg/Include/Protocol/DriverFamilyOverride.h @@ -0,0 +1,66 @@ +/** @file + UEFI Driver Family Protocol + +Copyright (c) 2007 - 2010, Intel Corporation. All rights reserved.<BR> +This program and the accompanying materials are licensed and made available under +the terms and conditions of the BSD License that accompanies this distribution. +The full text of the license may be found at +http://opensource.org/licenses/bsd-license.php. + +THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS, +WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED. + +**/ + +#ifndef __EFI_DRIVER_FAMILY_OVERRIDE_H__ +#define __EFI_DRIVER_FAMILY_OVERRIDE_H__ + +#define EFI_DRIVER_FAMILY_OVERRIDE_PROTOCOL_GUID \ + { \ + 0xb1ee129e, 0xda36, 0x4181, { 0x91, 0xf8, 0x4, 0xa4, 0x92, 0x37, 0x66, 0xa7 } \ + } + +typedef struct _EFI_DRIVER_FAMILY_OVERRIDE_PROTOCOL EFI_DRIVER_FAMILY_OVERRIDE_PROTOCOL; + +// +// Prototypes for the Driver Family Override Protocol +// +// +/** + This function returns the version value associated with the driver specified by This. + + Retrieves the version of the driver that is used by the EFI Boot Service ConnectController() + to sort the set of Driver Binding Protocols in order from highest priority to lowest priority. + For drivers that support the Driver Family Override Protocol, those drivers are sorted so that + the drivers with higher values returned by GetVersion() are higher priority than drivers that + return lower values from GetVersion(). + + @param This A pointer to the EFI_DRIVER_FAMILY_OVERRIDE_PROTOCOL instance. + + @return The version value associated with the driver specified by This. + +**/ +typedef +UINT32 +(EFIAPI *EFI_DRIVER_FAMILY_OVERRIDE_GET_VERSION)( + IN EFI_DRIVER_FAMILY_OVERRIDE_PROTOCOL *This + ); + +/// +/// When installed, the Driver Family Override Protocol produces a GUID that represents +/// a family of drivers. Drivers with the same GUID are members of the same family +/// When drivers are connected to controllers, drivers with a higher revision value +/// in the same driver family are connected with a higher priority than drivers +/// with a lower revision value in the same driver family. The EFI Boot Service +/// Connect Controller uses five rules to build a prioritized list of drivers when +/// a request is made to connect a driver to a controller. The Driver Family Protocol +/// rule is between the Platform Specific Driver Override Protocol and above the +/// Bus Specific Driver Override Protocol. +/// +struct _EFI_DRIVER_FAMILY_OVERRIDE_PROTOCOL { + EFI_DRIVER_FAMILY_OVERRIDE_GET_VERSION GetVersion; +}; + +extern EFI_GUID gEfiDriverFamilyOverrideProtocolGuid; + +#endif |