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-rw-r--r--EmbeddedPkg/Include/Protocol/PlatformBootManager.h86
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+/** @file
+
+ Copyright (c) 2018, Linaro. 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 __PLATFORM_BOOT_MANAGER_PROTOCOL_H__
+#define __PLATFORM_BOOT_MANAGER_PROTOCOL_H__
+
+//
+// Protocol interface structure
+//
+typedef struct _PLATFORM_BOOT_MANAGER_PROTOCOL PLATFORM_BOOT_MANAGER_PROTOCOL;
+
+//
+// Function Prototypes
+//
+
+/*
+ Get predefined boot options for platform.
+
+ @param[out] Count The number of elements in each of
+ BootOptions and BootKeys. On successful
+ return, Count is at least one.
+
+ @param[out] BootOptions An array of platform boot options.
+ BootOptions is pool-allocated by
+ GET_PLATFORM_BOOT_OPTIONS_AND_KEYS, and
+ GET_PLATFORM_BOOT_OPTIONS_AND_KEYS populates
+ every element in BootOptions with
+ EfiBootManagerInitializeLoadOption().
+ BootOptions shall not contain duplicate
+ entries. The caller is responsible for
+ releasing BootOptions after use with
+ EfiBootManagerFreeLoadOptions().
+
+ @param[out] BootKeys A pool-allocated array of platform boot
+ hotkeys. For every 0 <= Index < Count, if
+ BootOptions[Index] is not to be associated
+ with a hotkey, then BootKeys[Index] is
+ zero-filled. Otherwise, BootKeys[Index]
+ specifies the boot hotkey for
+ BootOptions[Index]. BootKeys shall not
+ contain duplicate entries (other than
+ zero-filled entries). The caller is
+ responsible for releasing BootKeys with
+ FreePool() after use.
+
+ @retval EFI_SUCCESS Count, BootOptions and BootKeys have
+ been set.
+
+ @retval EFI_OUT_OF_RESOURCES Memory allocation failed.
+
+ @retval EFI_UNSUPPORTED The platform doesn't provide boot options
+ as a feature.
+
+ @retval EFI_NOT_FOUND The platform could provide boot options
+ as a feature, but none have been
+ configured.
+
+ @return Error codes propagated from underlying
+ functions.
+*/
+typedef
+EFI_STATUS
+(EFIAPI *GET_PLATFORM_BOOT_OPTIONS_AND_KEYS) (
+ OUT UINTN *Count,
+ OUT EFI_BOOT_MANAGER_LOAD_OPTION **BootOptions,
+ OUT EFI_INPUT_KEY **BootKeys
+ );
+
+struct _PLATFORM_BOOT_MANAGER_PROTOCOL {
+ GET_PLATFORM_BOOT_OPTIONS_AND_KEYS GetPlatformBootOptionsAndKeys;
+};
+
+extern EFI_GUID gPlatformBootManagerProtocolGuid;
+
+#endif /* __PLATFORM_BOOT_MANAGER_PROTOCOL_H__ */