diff options
| author | Min M Xu <min.m.xu@intel.com> | 2022-11-01 13:13:43 +0800 |
|---|---|---|
| committer | mergify[bot] <37929162+mergify[bot]@users.noreply.github.com> | 2022-11-01 10:08:10 +0000 |
| commit | 502c01c5028038e4e6b4512e9c66be0ec4d11492 (patch) | |
| tree | 2d7e7d635a908d3f2c09b5b9e4a74cfc54f27594 | |
| parent | 9b648112a51fdbe9c173e2de7315b24a5f3844ef (diff) | |
| download | edk2-502c01c5028038e4e6b4512e9c66be0ec4d11492.tar.gz | |
MdePkg: Add UEFI Unaccepted memory definition
RFC: https://bugzilla.tianocore.org/show_bug.cgi?id=3937
Plase refer to:
UEFI Spec v2.9 Table 7-5 Memory Type Usage before ExitBootServices()
Cc: Michael D Kinney <michael.d.kinney@intel.com>
Cc: Liming Gao <gaoliming@byosoft.com.cn>
Cc: Zhiguang Liu <zhiguang.liu@intel.com>
Cc: Erdem Aktas <erdemaktas@google.com>
Cc: Gerd Hoffmann <kraxel@redhat.com>
Cc: James Bottomley <jejb@linux.ibm.com>
Cc: Jiewen Yao <jiewen.yao@intel.com>
Cc: Tom Lendacky <thomas.lendacky@amd.com>
Reviewed-by: Jiewen Yao <jiewen.yao@intel.com>
Acked-by: Gerd Hoffmann <kraxel@redhat.com>
Reviewed-by: Liming Gao <gaoliming@byosoft.com.cn>
Signed-off-by: Min Xu <min.m.xu@intel.com>
| -rw-r--r-- | MdeModulePkg/Include/Pi/PrePiDxeCis.h | 25 | ||||
| -rw-r--r-- | MdePkg/Include/Pi/PiDxeCis.h | 10 | ||||
| -rw-r--r-- | MdePkg/Include/Uefi/UefiMultiPhase.h | 5 |
3 files changed, 39 insertions, 1 deletions
diff --git a/MdeModulePkg/Include/Pi/PrePiDxeCis.h b/MdeModulePkg/Include/Pi/PrePiDxeCis.h new file mode 100644 index 0000000000..113ac37924 --- /dev/null +++ b/MdeModulePkg/Include/Pi/PrePiDxeCis.h @@ -0,0 +1,25 @@ +/** @file
+ Include file matches things in PI.
+
+Copyright (c) 2022, Intel Corporation. All rights reserved.<BR>
+SPDX-License-Identifier: BSD-2-Clause-Patent
+
+**/
+
+#ifndef MDE_MODULEPKG_PRE_PI_DXE_CIS_H_
+#define MDE_MODULEPKG_PRE_PI_DXE_CIS_H_
+
+///
+/// A memory region that describes system memory that has not been accepted
+/// by a corresponding call to the underlying isolation architecture.
+///
+/// This memory region has not been defined in PI spec, so it is defined in
+/// PrePiDxeCis.h. And it is defined in the format of captial letters
+/// because only capital letters are allowed to be used for #define declarations.
+///
+/// After this memory region is defined in PI spec, it should be a value in
+/// EFI_GCD_MEMORY_TYPE in PiDxeCis.h.
+///
+#define EFI_GCD_MEMORY_TYPE_UNACCEPTED 7
+
+#endif
diff --git a/MdePkg/Include/Pi/PiDxeCis.h b/MdePkg/Include/Pi/PiDxeCis.h index d0f2ed0e58..27b219aa3f 100644 --- a/MdePkg/Include/Pi/PiDxeCis.h +++ b/MdePkg/Include/Pi/PiDxeCis.h @@ -56,7 +56,15 @@ typedef enum { /// system. If all memory has the same reliability, then this bit is not used.
///
EfiGcdMemoryTypeMoreReliable,
- EfiGcdMemoryTypeMaximum
+ // ///
+ // /// A memory region that describes system memory that has not been accepted
+ // /// by a corresponding call to the underlying isolation architecture.
+ // ///
+ // /// Please be noted:
+ // /// EfiGcdMemoryTypeUnaccepted is defined in PrePiDxeCis.h because it has not been
+ // /// defined in PI spec.
+ // EfiGcdMemoryTypeUnaccepted,
+ EfiGcdMemoryTypeMaximum = 8
} EFI_GCD_MEMORY_TYPE;
///
diff --git a/MdePkg/Include/Uefi/UefiMultiPhase.h b/MdePkg/Include/Uefi/UefiMultiPhase.h index 22bae43e36..7884913371 100644 --- a/MdePkg/Include/Uefi/UefiMultiPhase.h +++ b/MdePkg/Include/Uefi/UefiMultiPhase.h @@ -103,6 +103,11 @@ typedef enum { /// however it happens to also support byte-addressable non-volatility.
///
EfiPersistentMemory,
+ ///
+ /// A memory region that describes system memory that has not been accepted
+ /// by a corresponding call to the underlying isolation architecture.
+ ///
+ EfiUnacceptedMemoryType,
EfiMaxMemoryType
} EFI_MEMORY_TYPE;
|