Create the PlatformBootManagerProtocol that is used to add
predefined boot options in platform driver. This interface
will be used in ArmPkg/PlatformBootManagerLib.

Cc: Laszlo Ersek <lersek@redhat.com>
Cc: Leif Lindholm <leif.lindholm@linaro.org>
Cc: Ard Biesheuvel <ard.biesheuvel@linaro.org>
Contributed-under: TianoCore Contribution Agreement 1.1
Signed-off-by: Haojian Zhuang <haojian.zhuang@linaro.org>
---
 EmbeddedPkg/EmbeddedPkg.dec                        |  1 +
 EmbeddedPkg/Include/Protocol/PlatformBootManager.h | 86 ++++++++++++++++++++++
 2 files changed, 87 insertions(+)
 create mode 100644 EmbeddedPkg/Include/Protocol/PlatformBootManager.h

diff --git a/EmbeddedPkg/EmbeddedPkg.dec b/EmbeddedPkg/EmbeddedPkg.dec
index eb135340b173..9cd50738363b 100644
--- a/EmbeddedPkg/EmbeddedPkg.dec
+++ b/EmbeddedPkg/EmbeddedPkg.dec
@@ -81,6 +81,7 @@ [Protocols.common]
   gPlatformGpioProtocolGuid = { 0x52ce9845, 0x5af4, 0x43e2, {0xba, 0xfd, 0x23, 0x08, 0x12, 0x54, 0x7a, 0xc2 }}
   gAndroidBootImgProtocolGuid = { 0x9859bb19, 0x407c, 0x4f8b, {0xbc, 0xe1, 0xf8, 0xda, 0x65, 0x65, 0xf4, 0xa5 }}
   gPlatformVirtualKeyboardProtocolGuid = { 0x0e3606d2, 0x1dc3, 0x4e6f, { 0xbe, 0x65, 0x39, 0x49, 0x82, 0xa2, 0x65, 0x47 }}
+  gPlatformBootManagerProtocolGuid = { 0x7197c8a7, 0x6559, 0x4c93, { 0x93, 0xd5, 0x8a, 0x84, 0xf9, 0x88, 0x79, 0x8b }}
 
 [Ppis]
   gEdkiiEmbeddedGpioPpiGuid = { 0x21c3b115, 0x4e0b, 0x470c, { 0x85, 0xc7, 0xe1, 0x05, 0xa5, 0x75, 0xc9, 0x7b }}
diff --git a/EmbeddedPkg/Include/Protocol/PlatformBootManager.h b/EmbeddedPkg/Include/Protocol/PlatformBootManager.h
new file mode 100644
index 000000000000..9fa27985b469
--- /dev/null
+++ b/EmbeddedPkg/Include/Protocol/PlatformBootManager.h
@@ -0,0 +1,86 @@
+/** @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__ */
-- 
2.7.4

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