diff options
Diffstat (limited to 'src/vendorcode/intel/edk2/UDK2017/MdePkg/Include/Protocol/LoadFile.h')
| -rw-r--r-- | src/vendorcode/intel/edk2/UDK2017/MdePkg/Include/Protocol/LoadFile.h | 88 |
1 files changed, 88 insertions, 0 deletions
diff --git a/src/vendorcode/intel/edk2/UDK2017/MdePkg/Include/Protocol/LoadFile.h b/src/vendorcode/intel/edk2/UDK2017/MdePkg/Include/Protocol/LoadFile.h new file mode 100644 index 0000000000..430ddb843d --- /dev/null +++ b/src/vendorcode/intel/edk2/UDK2017/MdePkg/Include/Protocol/LoadFile.h @@ -0,0 +1,88 @@ +/** @file + Load File protocol as defined in the UEFI 2.0 specification. + + The load file protocol exists to supports the addition of new boot devices, + and to support booting from devices that do not map well to file system. + Network boot is done via a LoadFile protocol. + + UEFI 2.0 can boot from any device that produces a LoadFile protocol. + +Copyright (c) 2006 - 2016, 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_LOAD_FILE_PROTOCOL_H__ +#define __EFI_LOAD_FILE_PROTOCOL_H__ + +#define EFI_LOAD_FILE_PROTOCOL_GUID \ + { \ + 0x56EC3091, 0x954C, 0x11d2, {0x8E, 0x3F, 0x00, 0xA0, 0xC9, 0x69, 0x72, 0x3B } \ + } + +/// +/// Protocol Guid defined by EFI1.1. +/// +#define LOAD_FILE_PROTOCOL EFI_LOAD_FILE_PROTOCOL_GUID + +typedef struct _EFI_LOAD_FILE_PROTOCOL EFI_LOAD_FILE_PROTOCOL; + +/// +/// Backward-compatible with EFI1.1 +/// +typedef EFI_LOAD_FILE_PROTOCOL EFI_LOAD_FILE_INTERFACE; + +/** + Causes the driver to load a specified file. + + @param This Protocol instance pointer. + @param FilePath The device specific path of the file to load. + @param BootPolicy If TRUE, indicates that the request originates from the + boot manager is attempting to load FilePath as a boot + selection. If FALSE, then FilePath must match as exact file + to be loaded. + @param BufferSize On input the size of Buffer in bytes. On output with a return + code of EFI_SUCCESS, the amount of data transferred to + Buffer. On output with a return code of EFI_BUFFER_TOO_SMALL, + the size of Buffer required to retrieve the requested file. + @param Buffer The memory buffer to transfer the file to. IF Buffer is NULL, + then the size of the requested file is returned in + BufferSize. + + @retval EFI_SUCCESS The file was loaded. + @retval EFI_UNSUPPORTED The device does not support the provided BootPolicy + @retval EFI_INVALID_PARAMETER FilePath is not a valid device path, or + BufferSize is NULL. + @retval EFI_NO_MEDIA No medium was present to load the file. + @retval EFI_DEVICE_ERROR The file was not loaded due to a device error. + @retval EFI_NO_RESPONSE The remote system did not respond. + @retval EFI_NOT_FOUND The file was not found. + @retval EFI_ABORTED The file load process was manually cancelled. + @retval EFI_WARN_FILE_SYSTEM The resulting Buffer contains UEFI-compliant file system. +**/ +typedef +EFI_STATUS +(EFIAPI *EFI_LOAD_FILE)( + IN EFI_LOAD_FILE_PROTOCOL *This, + IN EFI_DEVICE_PATH_PROTOCOL *FilePath, + IN BOOLEAN BootPolicy, + IN OUT UINTN *BufferSize, + IN VOID *Buffer OPTIONAL + ); + +/// +/// The EFI_LOAD_FILE_PROTOCOL is a simple protocol used to obtain files from arbitrary devices. +/// +struct _EFI_LOAD_FILE_PROTOCOL { + EFI_LOAD_FILE LoadFile; +}; + +extern EFI_GUID gEfiLoadFileProtocolGuid; + +#endif |