mirror of https://github.com/acidanthera/audk.git
67 lines
2.4 KiB
C
67 lines
2.4 KiB
C
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/** @file
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Guid & data structure for EFI_RT _PROPERTIES_TABLE, designed to be published by a
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platform if it no longer supports all EFI runtime services once ExitBootServices()
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has been called by the OS. Introduced in UEFI 2.8a.
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Copyright (c) 2020, American Megatrends International LLC. All rights reserved.<BR>
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SPDX-License-Identifier: BSD-2-Clause-Patent
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**/
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#ifndef __RT_PROPERTIES_TABLE_GUID_H__
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#define __RT_PROPERTIES_TABLE_GUID_H__
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//
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// Table, defined here, should be published by a platform if it no longer supports all EFI runtime
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// services once ExitBootServices() has been called by the OS. Note that this is merely a hint
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// to the OS, which it is free to ignore, and so the platform is still required to provide callable
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// implementations of unsupported runtime services that simply return EFI_UNSUPPORTED.
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//
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#define EFI_RT_PROPERTIES_TABLE_GUID \
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{ 0xeb66918a, 0x7eef, 0x402a, \
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{ 0x84, 0x2e, 0x93, 0x1d, 0x21, 0xc3, 0x8a, 0xe9 }}
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#pragma pack(1)
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typedef struct {
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///
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/// Version of the structure, must be 0x1.
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///
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UINT16 Version;
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///
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/// Size in bytes of the entire EFI_RT_PROPERTIES_TABLE, must be 8.
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///
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UINT16 Length;
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///
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/// Bitmask of which calls are or are not supported, where a bit set to 1 indicates
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/// that the call is supported, and 0 indicates that it is not.
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///
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UINT32 RuntimeServicesSupported;
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} EFI_RT_PROPERTIES_TABLE;
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#pragma pack()
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#define EFI_RT_PROPERTIES_TABLE_VERSION 0x1
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#define EFI_RT_SUPPORTED_GET_TIME 0x0001
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#define EFI_RT_SUPPORTED_SET_TIME 0x0002
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#define EFI_RT_SUPPORTED_GET_WAKEUP_TIME 0x0004
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#define EFI_RT_SUPPORTED_SET_WAKEUP_TIME 0x0008
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#define EFI_RT_SUPPORTED_GET_VARIABLE 0x0010
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#define EFI_RT_SUPPORTED_GET_NEXT_VARIABLE_NAME 0x0020
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#define EFI_RT_SUPPORTED_SET_VARIABLE 0x0040
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#define EFI_RT_SUPPORTED_SET_VIRTUAL_ADDRESS_MAP 0x0080
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#define EFI_RT_SUPPORTED_CONVERT_POINTER 0x0100
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#define EFI_RT_SUPPORTED_GET_NEXT_HIGH_MONOTONIC_COUNT 0x0200
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#define EFI_RT_SUPPORTED_RESET_SYSTEM 0x0400
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#define EFI_RT_SUPPORTED_UPDATE_CAPSULE 0x0800
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#define EFI_RT_SUPPORTED_QUERY_CAPSULE_CAPABILITIES 0x1000
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#define EFI_RT_SUPPORTED_QUERY_VARIABLE_INFO 0x2000
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extern EFI_GUID gEfiRtPropertiesTableGuid;
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#endif
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