During DXE, drivers save data in the LockBox. A save operation is layered
as follows:

- The unprivileged driver wishing to store data in the LockBox links
  against the "MdeModulePkg/Library/SmmLockBoxLib/SmmLockBoxDxeLib.inf"
  library instance.

  The library allows the unprivileged driver to format requests for the
  privileged SMM LockBox driver (see below), and to parse responses.

  We apply this resolution for DXE_DRIVER modules.

- The privileged SMM LockBox driver is built from
  "MdeModulePkg/Universal/LockBox/SmmLockBox/SmmLockBox.inf". This driver
  has module type DXE_SMM_DRIVER and can access SMRAM.

  The driver delegates command parsing and response formatting to
  "MdeModulePkg/Library/SmmLockBoxLib/SmmLockBoxSmmLib.inf".

  Therefore we include this DXE_SMM_DRIVER in the build, and apply said
  resolution specifically to it.

  (Including the driver requires us to resolve a few of other library
  classes for DXE_SMM_DRIVER modules.)

- In PEI, the S3 Resume PEIM (UefiCpuPkg/Universal/Acpi/S3Resume2Pei)
  retrieves data from the LockBox. It is capable of searching SMRAM
  itself.

  We resolve LockBoxLib to
  "MdeModulePkg/Library/SmmLockBoxLib/SmmLockBoxPeiLib.inf" specifically
  for this one PEIM.

Contributed-under: TianoCore Contribution Agreement 1.0
Signed-off-by: Laszlo Ersek <ler...@redhat.com>
---
 OvmfPkg/OvmfPkgIa32.dsc    | 16 ++++++++++++++++
 OvmfPkg/OvmfPkgIa32X64.dsc | 16 ++++++++++++++++
 OvmfPkg/OvmfPkgX64.dsc     | 16 ++++++++++++++++
 OvmfPkg/OvmfPkgIa32.fdf    |  1 +
 OvmfPkg/OvmfPkgIa32X64.fdf |  1 +
 OvmfPkg/OvmfPkgX64.fdf     |  1 +
 6 files changed, 51 insertions(+)

diff --git a/OvmfPkg/OvmfPkgIa32.dsc b/OvmfPkg/OvmfPkgIa32.dsc
index 6cfd58e..a19d4e2 100644
--- a/OvmfPkg/OvmfPkgIa32.dsc
+++ b/OvmfPkg/OvmfPkgIa32.dsc
@@ -106,7 +106,9 @@ [LibraryClasses]
   QemuFwCfgLib|OvmfPkg/Library/QemuFwCfgLib/QemuFwCfgLib.inf
   VirtioLib|OvmfPkg/Library/VirtioLib/VirtioLib.inf
   LoadLinuxLib|OvmfPkg/Library/LoadLinuxLib/LoadLinuxLib.inf
+!if $(SMM_REQUIRE) == FALSE
   LockBoxLib|OvmfPkg/Library/LockBoxLib/LockBoxBaseLib.inf
+!endif
   
CustomizedDisplayLib|MdeModulePkg/Library/CustomizedDisplayLib/CustomizedDisplayLib.inf
 
 !ifdef $(SOURCE_DEBUG_ENABLE)
@@ -272,7 +274,11 @@ [LibraryClasses.common.DXE_DRIVER]
   DpcLib|MdeModulePkg/Library/DxeDpcLib/DxeDpcLib.inf
   PlatformBdsLib|OvmfPkg/Library/PlatformBdsLib/PlatformBdsLib.inf
   
CpuExceptionHandlerLib|UefiCpuPkg/Library/CpuExceptionHandlerLib/DxeCpuExceptionHandlerLib.inf
+!if $(SMM_REQUIRE) == TRUE
+  LockBoxLib|MdeModulePkg/Library/SmmLockBoxLib/SmmLockBoxDxeLib.inf
+!else
   LockBoxLib|OvmfPkg/Library/LockBoxLib/LockBoxDxeLib.inf
+!endif
 !ifdef $(SOURCE_DEBUG_ENABLE)
   DebugAgentLib|SourceLevelDebugPkg/Library/DebugAgent/DxeDebugAgentLib.inf
 !endif
@@ -292,6 +298,9 @@ [LibraryClasses.common.UEFI_APPLICATION]
 [LibraryClasses.common.DXE_SMM_DRIVER]
   PcdLib|MdePkg/Library/DxePcdLib/DxePcdLib.inf
   TimerLib|OvmfPkg/Library/AcpiTimerLib/DxeAcpiTimerLib.inf
+  
MemoryAllocationLib|MdePkg/Library/SmmMemoryAllocationLib/SmmMemoryAllocationLib.inf
+  HobLib|MdePkg/Library/DxeHobLib/DxeHobLib.inf
+  SmmMemLib|MdePkg/Library/SmmMemLib/SmmMemLib.inf
   
SmmServicesTableLib|MdePkg/Library/SmmServicesTableLib/SmmServicesTableLib.inf
 !ifdef $(DEBUG_ON_SERIAL_PORT)
   DebugLib|MdePkg/Library/BaseDebugLibSerialPort/BaseDebugLibSerialPort.inf
@@ -461,6 +470,9 @@ [Components]
   UefiCpuPkg/Universal/Acpi/S3Resume2Pei/S3Resume2Pei.inf {
     <LibraryClasses>
       PcdLib|MdePkg/Library/PeiPcdLib/PeiPcdLib.inf
+!if $(SMM_REQUIRE) == TRUE
+      LockBoxLib|MdeModulePkg/Library/SmmLockBoxLib/SmmLockBoxPeiLib.inf
+!endif
   }
 !if $(SMM_REQUIRE) == TRUE
   OvmfPkg/SmmAccess/SmmAccessPei.inf {
@@ -708,4 +720,8 @@ [Components]
   # Privileged drivers (DXE_SMM_DRIVER modules)
   #
   UefiCpuPkg/CpuIo2Smm/CpuIo2Smm.inf
+  MdeModulePkg/Universal/LockBox/SmmLockBox/SmmLockBox.inf {
+    <LibraryClasses>
+      LockBoxLib|MdeModulePkg/Library/SmmLockBoxLib/SmmLockBoxSmmLib.inf
+  }
 !endif
diff --git a/OvmfPkg/OvmfPkgIa32X64.dsc b/OvmfPkg/OvmfPkgIa32X64.dsc
index 6679e8a..d177154 100644
--- a/OvmfPkg/OvmfPkgIa32X64.dsc
+++ b/OvmfPkg/OvmfPkgIa32X64.dsc
@@ -111,7 +111,9 @@ [LibraryClasses]
   QemuFwCfgLib|OvmfPkg/Library/QemuFwCfgLib/QemuFwCfgLib.inf
   VirtioLib|OvmfPkg/Library/VirtioLib/VirtioLib.inf
   LoadLinuxLib|OvmfPkg/Library/LoadLinuxLib/LoadLinuxLib.inf
+!if $(SMM_REQUIRE) == FALSE
   LockBoxLib|OvmfPkg/Library/LockBoxLib/LockBoxBaseLib.inf
+!endif
   
CustomizedDisplayLib|MdeModulePkg/Library/CustomizedDisplayLib/CustomizedDisplayLib.inf
 
 !ifdef $(SOURCE_DEBUG_ENABLE)
@@ -277,7 +279,11 @@ [LibraryClasses.common.DXE_DRIVER]
   DpcLib|MdeModulePkg/Library/DxeDpcLib/DxeDpcLib.inf
   PlatformBdsLib|OvmfPkg/Library/PlatformBdsLib/PlatformBdsLib.inf
   
CpuExceptionHandlerLib|UefiCpuPkg/Library/CpuExceptionHandlerLib/DxeCpuExceptionHandlerLib.inf
+!if $(SMM_REQUIRE) == TRUE
+  LockBoxLib|MdeModulePkg/Library/SmmLockBoxLib/SmmLockBoxDxeLib.inf
+!else
   LockBoxLib|OvmfPkg/Library/LockBoxLib/LockBoxDxeLib.inf
+!endif
 !ifdef $(SOURCE_DEBUG_ENABLE)
   DebugAgentLib|SourceLevelDebugPkg/Library/DebugAgent/DxeDebugAgentLib.inf
 !endif
@@ -297,6 +303,9 @@ [LibraryClasses.common.UEFI_APPLICATION]
 [LibraryClasses.common.DXE_SMM_DRIVER]
   PcdLib|MdePkg/Library/DxePcdLib/DxePcdLib.inf
   TimerLib|OvmfPkg/Library/AcpiTimerLib/DxeAcpiTimerLib.inf
+  
MemoryAllocationLib|MdePkg/Library/SmmMemoryAllocationLib/SmmMemoryAllocationLib.inf
+  HobLib|MdePkg/Library/DxeHobLib/DxeHobLib.inf
+  SmmMemLib|MdePkg/Library/SmmMemLib/SmmMemLib.inf
   
SmmServicesTableLib|MdePkg/Library/SmmServicesTableLib/SmmServicesTableLib.inf
 !ifdef $(DEBUG_ON_SERIAL_PORT)
   DebugLib|MdePkg/Library/BaseDebugLibSerialPort/BaseDebugLibSerialPort.inf
@@ -467,6 +476,9 @@ [Components.IA32]
   UefiCpuPkg/Universal/Acpi/S3Resume2Pei/S3Resume2Pei.inf {
     <LibraryClasses>
       PcdLib|MdePkg/Library/PeiPcdLib/PeiPcdLib.inf
+!if $(SMM_REQUIRE) == TRUE
+      LockBoxLib|MdeModulePkg/Library/SmmLockBoxLib/SmmLockBoxPeiLib.inf
+!endif
   }
 !if $(SMM_REQUIRE) == TRUE
   OvmfPkg/SmmAccess/SmmAccessPei.inf {
@@ -715,4 +727,8 @@ [Components.X64]
   # Privileged drivers (DXE_SMM_DRIVER modules)
   #
   UefiCpuPkg/CpuIo2Smm/CpuIo2Smm.inf
+  MdeModulePkg/Universal/LockBox/SmmLockBox/SmmLockBox.inf {
+    <LibraryClasses>
+      LockBoxLib|MdeModulePkg/Library/SmmLockBoxLib/SmmLockBoxSmmLib.inf
+  }
 !endif
diff --git a/OvmfPkg/OvmfPkgX64.dsc b/OvmfPkg/OvmfPkgX64.dsc
index 2651042..7908a31 100644
--- a/OvmfPkg/OvmfPkgX64.dsc
+++ b/OvmfPkg/OvmfPkgX64.dsc
@@ -111,7 +111,9 @@ [LibraryClasses]
   QemuFwCfgLib|OvmfPkg/Library/QemuFwCfgLib/QemuFwCfgLib.inf
   VirtioLib|OvmfPkg/Library/VirtioLib/VirtioLib.inf
   LoadLinuxLib|OvmfPkg/Library/LoadLinuxLib/LoadLinuxLib.inf
+!if $(SMM_REQUIRE) == FALSE
   LockBoxLib|OvmfPkg/Library/LockBoxLib/LockBoxBaseLib.inf
+!endif
   
CustomizedDisplayLib|MdeModulePkg/Library/CustomizedDisplayLib/CustomizedDisplayLib.inf
 
 !ifdef $(SOURCE_DEBUG_ENABLE)
@@ -277,7 +279,11 @@ [LibraryClasses.common.DXE_DRIVER]
   DpcLib|MdeModulePkg/Library/DxeDpcLib/DxeDpcLib.inf
   PlatformBdsLib|OvmfPkg/Library/PlatformBdsLib/PlatformBdsLib.inf
   
CpuExceptionHandlerLib|UefiCpuPkg/Library/CpuExceptionHandlerLib/DxeCpuExceptionHandlerLib.inf
+!if $(SMM_REQUIRE) == TRUE
+  LockBoxLib|MdeModulePkg/Library/SmmLockBoxLib/SmmLockBoxDxeLib.inf
+!else
   LockBoxLib|OvmfPkg/Library/LockBoxLib/LockBoxDxeLib.inf
+!endif
 !ifdef $(SOURCE_DEBUG_ENABLE)
   DebugAgentLib|SourceLevelDebugPkg/Library/DebugAgent/DxeDebugAgentLib.inf
 !endif
@@ -297,6 +303,9 @@ [LibraryClasses.common.UEFI_APPLICATION]
 [LibraryClasses.common.DXE_SMM_DRIVER]
   PcdLib|MdePkg/Library/DxePcdLib/DxePcdLib.inf
   TimerLib|OvmfPkg/Library/AcpiTimerLib/DxeAcpiTimerLib.inf
+  
MemoryAllocationLib|MdePkg/Library/SmmMemoryAllocationLib/SmmMemoryAllocationLib.inf
+  HobLib|MdePkg/Library/DxeHobLib/DxeHobLib.inf
+  SmmMemLib|MdePkg/Library/SmmMemLib/SmmMemLib.inf
   
SmmServicesTableLib|MdePkg/Library/SmmServicesTableLib/SmmServicesTableLib.inf
 !ifdef $(DEBUG_ON_SERIAL_PORT)
   DebugLib|MdePkg/Library/BaseDebugLibSerialPort/BaseDebugLibSerialPort.inf
@@ -466,6 +475,9 @@ [Components]
   UefiCpuPkg/Universal/Acpi/S3Resume2Pei/S3Resume2Pei.inf {
     <LibraryClasses>
       PcdLib|MdePkg/Library/PeiPcdLib/PeiPcdLib.inf
+!if $(SMM_REQUIRE) == TRUE
+      LockBoxLib|MdeModulePkg/Library/SmmLockBoxLib/SmmLockBoxPeiLib.inf
+!endif
   }
 !if $(SMM_REQUIRE) == TRUE
   OvmfPkg/SmmAccess/SmmAccessPei.inf {
@@ -713,4 +725,8 @@ [Components]
   # Privileged drivers (DXE_SMM_DRIVER modules)
   #
   UefiCpuPkg/CpuIo2Smm/CpuIo2Smm.inf
+  MdeModulePkg/Universal/LockBox/SmmLockBox/SmmLockBox.inf {
+    <LibraryClasses>
+      LockBoxLib|MdeModulePkg/Library/SmmLockBoxLib/SmmLockBoxSmmLib.inf
+  }
 !endif
diff --git a/OvmfPkg/OvmfPkgIa32.fdf b/OvmfPkg/OvmfPkgIa32.fdf
index e908198..53ddae3 100644
--- a/OvmfPkg/OvmfPkgIa32.fdf
+++ b/OvmfPkg/OvmfPkgIa32.fdf
@@ -361,6 +361,7 @@ [FV.DXEFV]
 INF  MdeModulePkg/Core/PiSmmCore/PiSmmIpl.inf
 INF  MdeModulePkg/Core/PiSmmCore/PiSmmCore.inf
 INF  UefiCpuPkg/CpuIo2Smm/CpuIo2Smm.inf
+INF  MdeModulePkg/Universal/LockBox/SmmLockBox/SmmLockBox.inf
 !endif
 
 
################################################################################
diff --git a/OvmfPkg/OvmfPkgIa32X64.fdf b/OvmfPkg/OvmfPkgIa32X64.fdf
index 5300a71..bb7ca6e 100644
--- a/OvmfPkg/OvmfPkgIa32X64.fdf
+++ b/OvmfPkg/OvmfPkgIa32X64.fdf
@@ -361,6 +361,7 @@ [FV.DXEFV]
 INF  MdeModulePkg/Core/PiSmmCore/PiSmmIpl.inf
 INF  MdeModulePkg/Core/PiSmmCore/PiSmmCore.inf
 INF  UefiCpuPkg/CpuIo2Smm/CpuIo2Smm.inf
+INF  MdeModulePkg/Universal/LockBox/SmmLockBox/SmmLockBox.inf
 !endif
 
 
################################################################################
diff --git a/OvmfPkg/OvmfPkgX64.fdf b/OvmfPkg/OvmfPkgX64.fdf
index 94a77d6..bceab15 100644
--- a/OvmfPkg/OvmfPkgX64.fdf
+++ b/OvmfPkg/OvmfPkgX64.fdf
@@ -361,6 +361,7 @@ [FV.DXEFV]
 INF  MdeModulePkg/Core/PiSmmCore/PiSmmIpl.inf
 INF  MdeModulePkg/Core/PiSmmCore/PiSmmCore.inf
 INF  UefiCpuPkg/CpuIo2Smm/CpuIo2Smm.inf
+INF  MdeModulePkg/Universal/LockBox/SmmLockBox/SmmLockBox.inf
 !endif
 
 
################################################################################
-- 
1.8.3.1


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