MdeModulePkg Variable: Abstract VariableWriteServiceInitializeDxe/Smm
REF: https://bugzilla.tianocore.org/show_bug.cgi?id=1323 Merge EmuVariable and Real variable driver. Abstract VariableWriteServiceInitializeDxe/Smm from FtwNotificationEvent/SmmFtwNotificationEvent, then VariableWriteServiceInitializeDxe/Smm could be not aware the NV storage is real or emulated. This patch prepares for adding emulated variable NV mode support in VariableRuntimeDxe. Cc: Jian J Wang <jian.j.wang@intel.com> Cc: Hao Wu <hao.a.wu@intel.com> Contributed-under: TianoCore Contribution Agreement 1.1 Signed-off-by: Star Zeng <star.zeng@intel.com> Reviewed-by: Hao Wu <hao.a.wu@intel.com> Reviewed-by: Jian J Wang <jian.j.wang@intel.com> Tested-by: Julien Grall <julien.grall@arm.com> Acked-by: Julien Grall <julien.grall@arm.com>
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@@ -839,6 +839,28 @@ SmmEndOfDxeCallback (
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return EFI_SUCCESS;
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}
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/**
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Initializes variable write service for SMM.
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**/
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VOID
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VariableWriteServiceInitializeSmm (
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VOID
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)
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{
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EFI_STATUS Status;
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Status = VariableWriteServiceInitialize ();
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if (EFI_ERROR (Status)) {
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DEBUG ((DEBUG_ERROR, "Variable write service initialization failed. Status = %r\n", Status));
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}
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//
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// Notify the variable wrapper driver the variable write service is ready
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//
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VariableNotifySmmWriteReady ();
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}
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/**
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SMM Fault Tolerant Write protocol notification event handler.
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@@ -903,15 +925,10 @@ SmmFtwNotificationEvent (
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mVariableModuleGlobal->FvbInstance = FvbProtocol;
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Status = VariableWriteServiceInitialize ();
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if (EFI_ERROR (Status)) {
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DEBUG ((DEBUG_ERROR, "Variable write service initialization failed. Status = %r\n", Status));
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}
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//
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// Notify the variable wrapper driver the variable write service is ready
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// Initializes variable write service after FTW was ready.
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//
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VariableNotifySmmWriteReady ();
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VariableWriteServiceInitializeSmm ();
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return EFI_SUCCESS;
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}
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