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Diffstat (limited to 'src/vendorcode/intel/edk2/UDK2017/MdePkg/Include/Protocol/PlatformDriverOverride.h')
| -rw-r--r-- | src/vendorcode/intel/edk2/UDK2017/MdePkg/Include/Protocol/PlatformDriverOverride.h | 140 |
1 files changed, 140 insertions, 0 deletions
diff --git a/src/vendorcode/intel/edk2/UDK2017/MdePkg/Include/Protocol/PlatformDriverOverride.h b/src/vendorcode/intel/edk2/UDK2017/MdePkg/Include/Protocol/PlatformDriverOverride.h new file mode 100644 index 0000000000..c84d12d1f0 --- /dev/null +++ b/src/vendorcode/intel/edk2/UDK2017/MdePkg/Include/Protocol/PlatformDriverOverride.h @@ -0,0 +1,140 @@ +/** @file + Platform Driver Override protocol as defined in the UEFI 2.1 specification. + + Copyright (c) 2006 - 2011, 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 + which 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_PLATFORM_DRIVER_OVERRIDE_PROTOCOL_H__ +#define __EFI_PLATFORM_DRIVER_OVERRIDE_PROTOCOL_H__ + +/// +/// Global ID for the Platform Driver Override Protocol +/// +#define EFI_PLATFORM_DRIVER_OVERRIDE_PROTOCOL_GUID \ + { \ + 0x6b30c738, 0xa391, 0x11d4, {0x9a, 0x3b, 0x00, 0x90, 0x27, 0x3f, 0xc1, 0x4d } \ + } + +typedef struct _EFI_PLATFORM_DRIVER_OVERRIDE_PROTOCOL EFI_PLATFORM_DRIVER_OVERRIDE_PROTOCOL; + +// +// Prototypes for the Platform Driver Override Protocol +// + +/** + Retrieves the image handle of the platform override driver for a controller in the system. + + @param This A pointer to the EFI_PLATFORM_DRIVER_OVERRIDE_ + PROTOCOL instance. + @param ControllerHandle The device handle of the controller to check if a driver override + exists. + @param DriverImageHandle On input, a pointer to the previous driver image handle returned + by GetDriver(). On output, a pointer to the next driver + image handle. + + @retval EFI_SUCCESS The driver override for ControllerHandle was returned in + DriverImageHandle. + @retval EFI_NOT_FOUND A driver override for ControllerHandle was not found. + @retval EFI_INVALID_PARAMETER The handle specified by ControllerHandle is NULL. + @retval EFI_INVALID_PARAMETER DriverImageHandle is not a handle that was returned on a + previous call to GetDriver(). + +**/ +typedef +EFI_STATUS +(EFIAPI *EFI_PLATFORM_DRIVER_OVERRIDE_GET_DRIVER)( + IN EFI_PLATFORM_DRIVER_OVERRIDE_PROTOCOL *This, + IN EFI_HANDLE ControllerHandle, + IN OUT EFI_HANDLE *DriverImageHandle + ); + +/** + Retrieves the device path of the platform override driver for a controller in the system. + + @param This A pointer to the EFI_PLATFORM_DRIVER_OVERRIDE_PROTOCOL instance. + @param ControllerHandle The device handle of the controller to check if a driver override + exists. + @param DriverImagePath On input, a pointer to the previous driver device path returned by + GetDriverPath(). On output, a pointer to the next driver + device path. Passing in a pointer to NULL will return the first + driver device path for ControllerHandle. + + @retval EFI_SUCCESS The driver override for ControllerHandle was returned in + DriverImageHandle. + @retval EFI_UNSUPPORTED The operation is not supported. + @retval EFI_NOT_FOUND A driver override for ControllerHandle was not found. + @retval EFI_INVALID_PARAMETER The handle specified by ControllerHandle is NULL. + @retval EFI_INVALID_PARAMETER DriverImagePath is not a device path that was returned on a + previous call to GetDriverPath(). + +**/ +typedef +EFI_STATUS +(EFIAPI *EFI_PLATFORM_DRIVER_OVERRIDE_GET_DRIVER_PATH)( + IN EFI_PLATFORM_DRIVER_OVERRIDE_PROTOCOL *This, + IN EFI_HANDLE ControllerHandle, + IN OUT EFI_DEVICE_PATH_PROTOCOL **DriverImagePath + ); + +/** + Used to associate a driver image handle with a device path that was returned on a prior call to the + GetDriverPath() service. This driver image handle will then be available through the + GetDriver() service. + + @param This A pointer to the EFI_PLATFORM_DRIVER_OVERRIDE_ + PROTOCOL instance. + @param ControllerHandle The device handle of the controller. + @param DriverImagePath A pointer to the driver device path that was returned in a prior + call to GetDriverPath(). + @param DriverImageHandle The driver image handle that was returned by LoadImage() + when the driver specified by DriverImagePath was loaded + into memory. + + @retval EFI_SUCCESS The association between DriverImagePath and + DriverImageHandle was established for the controller specified + by ControllerHandle. + @retval EFI_UNSUPPORTED The operation is not supported. + @retval EFI_NOT_FOUND DriverImagePath is not a device path that was returned on a prior + call to GetDriverPath() for the controller specified by + ControllerHandle. + @retval EFI_INVALID_PARAMETER ControllerHandle is NULL. + @retval EFI_INVALID_PARAMETER DriverImagePath is not a valid device path. + @retval EFI_INVALID_PARAMETER DriverImageHandle is not a valid image handle. + +**/ +typedef +EFI_STATUS +(EFIAPI *EFI_PLATFORM_DRIVER_OVERRIDE_DRIVER_LOADED)( + IN EFI_PLATFORM_DRIVER_OVERRIDE_PROTOCOL *This, + IN EFI_HANDLE ControllerHandle, + IN EFI_DEVICE_PATH_PROTOCOL *DriverImagePath, + IN EFI_HANDLE DriverImageHandle + ); + +/// +/// This protocol matches one or more drivers to a controller. A platform driver +/// produces this protocol, and it is installed on a separate handle. This protocol +/// is used by the ConnectController() boot service to select the best driver +/// for a controller. All of the drivers returned by this protocol have a higher +/// precedence than drivers found from an EFI Bus Specific Driver Override Protocol +/// or drivers found from the general UEFI driver Binding search algorithm. If more +/// than one driver is returned by this protocol, then the drivers are returned in +/// order from highest precedence to lowest precedence. +/// +struct _EFI_PLATFORM_DRIVER_OVERRIDE_PROTOCOL { + EFI_PLATFORM_DRIVER_OVERRIDE_GET_DRIVER GetDriver; + EFI_PLATFORM_DRIVER_OVERRIDE_GET_DRIVER_PATH GetDriverPath; + EFI_PLATFORM_DRIVER_OVERRIDE_DRIVER_LOADED DriverLoaded; +}; + +extern EFI_GUID gEfiPlatformDriverOverrideProtocolGuid; + +#endif |