diff options
| author | Liming Gao <liming.gao@intel.com> | 2020-05-19 23:47:33 +0800 |
|---|---|---|
| committer | mergify[bot] <37929162+mergify[bot]@users.noreply.github.com> | 2020-05-20 14:49:13 +0000 |
| commit | ea38791043109d79cfbf496615bef223c5881023 (patch) | |
| tree | cac30c8f519aa649423d15e69f21bc7cc3b4f306 /MdePkg | |
| parent | ff95c0fcba6a74fbf53b5b631252177a80ddf36a (diff) | |
| download | edk2-ea38791043109d79cfbf496615bef223c5881023.tar.gz edk2-ea38791043109d79cfbf496615bef223c5881023.tar.bz2 edk2-ea38791043109d79cfbf496615bef223c5881023.zip | |
MdePkg: Add EFI_RT_PROPERTIES_TABLE
Define Guid & data structure for EFI_RT_PROPERTIES_TABLE, designed
to be published by a platform if it no longer supports all EFI
runtime services once ExitBootServices() has been called by the OS.
(UEFI 2.8 errata a, mantis 2049)
Signed-off-by: Oleksiy Yakovlev <oleksiyy@ami.com>
Reviewed-by: Liming Gao <liming.gao@intel.com>
Diffstat (limited to 'MdePkg')
| -rw-r--r-- | MdePkg/Include/Guid/RtPropertiesTable.h | 69 | ||||
| -rw-r--r-- | MdePkg/MdePkg.dec | 5 |
2 files changed, 74 insertions, 0 deletions
diff --git a/MdePkg/Include/Guid/RtPropertiesTable.h b/MdePkg/Include/Guid/RtPropertiesTable.h new file mode 100644 index 0000000000..6b6a1a1084 --- /dev/null +++ b/MdePkg/Include/Guid/RtPropertiesTable.h @@ -0,0 +1,69 @@ +/** @file
+Guid & data structure for EFI_RT _PROPERTIES_TABLE, designed to be published by a
+platform if it no longer supports all EFI runtime services once ExitBootServices()
+has been called by the OS. Introduced in UEFI 2.8a.
+
+
+Copyright (c) 2020, American Megatrends International LLC. All rights reserved.<BR>
+SPDX-License-Identifier: BSD-2-Clause-Patent
+
+**/
+
+#ifndef __RT_PROPERTIES_TABLE_GUID_H__
+#define __RT_PROPERTIES_TABLE_GUID_H__
+
+//
+// Table, defined here, should be published by a platform if it no longer supports all EFI runtime
+// services once ExitBootServices() has been called by the OS. Note that this is merely a hint
+// to the OS, which it is free to ignore, and so the platform is still required to provide callable
+// implementations of unsupported runtime services that simply return EFI_UNSUPPORTED.
+//
+#define EFI_RT_PROPERTIES_TABLE_GUID \
+ { 0xeb66918a, 0x7eef, 0x402a, \
+ { 0x84, 0x2e, 0x93, 0x1d, 0x21, 0xc3, 0x8a, 0xe9 }}
+
+
+
+
+#pragma pack(1)
+
+typedef struct {
+ ///
+ /// Version of the structure, must be 0x1.
+ ///
+ UINT16 Version;
+
+ ///
+ /// Size in bytes of the entire EFI_RT_PROPERTIES_TABLE, must be 8.
+ ///
+ UINT16 Length;
+
+ ///
+ /// Bitmask of which calls are or are not supported, where a bit set to 1 indicates
+ /// that the call is supported, and 0 indicates that it is not.
+ ///
+ UINT32 RuntimeServicesSupported;
+} EFI_RT_PROPERTIES_TABLE;
+
+#pragma pack()
+
+#define EFI_RT_PROPERTIES_TABLE_VERSION 0x1
+
+#define EFI_RT_SUPPORTED_GET_TIME 0x0001
+#define EFI_RT_SUPPORTED_SET_TIME 0x0002
+#define EFI_RT_SUPPORTED_GET_WAKEUP_TIME 0x0004
+#define EFI_RT_SUPPORTED_SET_WAKEUP_TIME 0x0008
+#define EFI_RT_SUPPORTED_GET_VARIABLE 0x0010
+#define EFI_RT_SUPPORTED_GET_NEXT_VARIABLE_NAME 0x0020
+#define EFI_RT_SUPPORTED_SET_VARIABLE 0x0040
+#define EFI_RT_SUPPORTED_SET_VIRTUAL_ADDRESS_MAP 0x0080
+#define EFI_RT_SUPPORTED_CONVERT_POINTER 0x0100
+#define EFI_RT_SUPPORTED_GET_NEXT_HIGH_MONOTONIC_COUNT 0x0200
+#define EFI_RT_SUPPORTED_RESET_SYSTEM 0x0400
+#define EFI_RT_SUPPORTED_UPDATE_CAPSULE 0x0800
+#define EFI_RT_SUPPORTED_QUERY_CAPSULE_CAPABILITIES 0x1000
+#define EFI_RT_SUPPORTED_QUERY_VARIABLE_INFO 0x2000
+
+extern EFI_GUID gEfiRtPropertiesTableGuid;
+
+#endif
diff --git a/MdePkg/MdePkg.dec b/MdePkg/MdePkg.dec index c2f6b7953b..d03fc5b49d 100644 --- a/MdePkg/MdePkg.dec +++ b/MdePkg/MdePkg.dec @@ -665,6 +665,11 @@ ## Include/Guid/HiiPlatformSetupFormset.h
gEfiHiiResetStyleFormsetGuid = { 0x790217bd, 0xbecf, 0x485b, { 0x91, 0x70, 0x5f, 0xf7, 0x11, 0x31, 0x8b, 0x27 }}
+ # GUIDs defined in UEFI2.8a
+ #
+ ## Include/Guid/RtPropertiesTable.h
+ gEfiRtPropertiesTableGuid = { 0xeb66918a, 0x7eef, 0x402a, { 0x84, 0x2e, 0x93, 0x1d, 0x21, 0xc3, 0x8a, 0xe9 }}
+
#
# GUID defined in PI1.0
#
|