[PATCH v1 0/1] Introduce DxeMmUnblockMemoryLib Interface

["Kun Qin" <kun.q@outlook.com>]

The interface proposed in this patch series intends to provide an
abstraction layer for DXE drivers to request certain memory regions to be
accessible from inside MM environment that applies total memory blockage.

This abstraction could pave way for models such as Standalone MM to
manage memory resources without having knowledge of DXE memory map inside
MM environment.

Example usages of it can be NVS region in Tcg2Smm and runtime variable
cache regions in VariableSmmRuntimeDxe.

Patch v1 branch: https://github.com/kuqin12/edk2/tree/unblock_mem_v1

Cc: Jian J Wang <jian.j.wang@intel.com>
Cc: Hao A Wu <hao.a.wu@intel.com>
Cc: Eric Dong <eric.dong@intel.com>
Cc: Ray Ni <ray.ni@intel.com>
Cc: Jiewen Yao <jiewen.yao@intel.com>

Kun Qin (1):
  MdeModulePkg: DxeMmUnblockMemoryLib: Added definition and null
    instance

 MdeModulePkg/Library/DxeMmUnblockMemoryLib/DxeMmUnblockMemoryLibNull.c   | 40 ++++++++++++++++++++
 MdeModulePkg/Include/Library/DxeMmUnblockMemoryLib.h                     | 40 ++++++++++++++++++++
 MdeModulePkg/Library/DxeMmUnblockMemoryLib/DxeMmUnblockMemoryLibNull.inf | 29 ++++++++++++++
 MdeModulePkg/MdeModulePkg.dec                                            |  5 +++
 MdeModulePkg/MdeModulePkg.dsc                                            |  2 +
 5 files changed, 116 insertions(+)
 create mode 100644 MdeModulePkg/Library/DxeMmUnblockMemoryLib/DxeMmUnblockMemoryLibNull.c
 create mode 100644 MdeModulePkg/Include/Library/DxeMmUnblockMemoryLib.h
 create mode 100644 MdeModulePkg/Library/DxeMmUnblockMemoryLib/DxeMmUnblockMemoryLibNull.inf

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2.30.0.windows.1