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60 lines
2.0 KiB
C
60 lines
2.0 KiB
C
/** @file
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This file defines:
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* the capsule vendor GUID for capsule variables and the HOB.
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* the capsule variable name.
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* the capsule GUID HOB data structure.
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The capsule HOB and variable can be used to store the capsule image start address and length.
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They are used by EDKII implementation of capsule update across a system reset.
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@par Note: EDKII implementation of capsule updating has discarded this capsule GUID HOB data
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structure and used one UEFI Capsule HOB (defined in PI Specification 1.2) instead.
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Copyright (c) 2006 - 2018, Intel Corporation. All rights reserved.<BR>
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SPDX-License-Identifier: BSD-2-Clause-Patent
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**/
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#ifndef __EFI_CAPSULE_VENDOR_GUID_H__
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#define __EFI_CAPSULE_VENDOR_GUID_H__
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///
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/// This guid is used as a variable GUID for the capsule variable
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/// if the capsule pointer is passed through reset via a variable.
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///
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/// This guid is also used as a hob GUID for the capsule data
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/// when the capsule pointer is passed from PEI phase to DXE phase.
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///
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#define EFI_CAPSULE_VENDOR_GUID \
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{ 0x711C703F, 0xC285, 0x4B10, { 0xA3, 0xB0, 0x36, 0xEC, 0xBD, 0x3C, 0x8B, 0xE2 } }
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///
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/// Name of capsule variable.
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///
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#define EFI_CAPSULE_VARIABLE_NAME L"CapsuleUpdateData"
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///
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/// The data structure of the capsule guid hob entry.
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/// Note: EDKII implementation has discarded this structure and used
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/// UEFI_CAPSULE_HOB instead.
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///
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typedef struct {
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EFI_PHYSICAL_ADDRESS BaseAddress; ///< Capsule data start address.
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UINT32 Length; ///< Length of capsule data.
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} CAPSULE_HOB_INFO;
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//
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// The variable describes the long mode buffer used by IA32 Capsule PEIM
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// to call X64 CapsuleCoalesce code to handle >4GB capsule blocks.
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//
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#define EFI_CAPSULE_LONG_MODE_BUFFER_NAME L"CapsuleLongModeBuffer"
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typedef struct {
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EFI_PHYSICAL_ADDRESS PageTableAddress;
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EFI_PHYSICAL_ADDRESS StackBaseAddress;
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UINT64 StackSize;
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} EFI_CAPSULE_LONG_MODE_BUFFER;
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extern EFI_GUID gEfiCapsuleVendorGuid;
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#endif // #ifndef _EFI_CAPSULE_VENDOR_GUID_H_
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