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IntelSiliconPkg IntelVTdDxe: Signal AcpiNotificationFunc() initially 

Signal AcpiNotificationFunc() initially for the case that
DMAR table has been installed when creating event.

Cc: Jiewen Yao <jiewen.yao@intel.com>
Contributed-under: TianoCore Contribution Agreement 1.1
Signed-off-by: Star Zeng <star.zeng@intel.com>
Reviewed-by: Jiewen Yao <jiewen.yao@intel.com>
This commit is contained in:
Star Zeng 2018-01-03 14:00:03 +08:00
parent c5fcec8c3f
commit dcd39e09ff
2 changed files with 15 additions and 4 deletions
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16
IntelSiliconPkg/Feature/VTd/IntelVTdDxe/DmaProtection.c
View File

@ -1,6 +1,6 @@
/** @file
Copyright (c) 2017, Intel Corporation. All rights reserved.<BR>
Copyright (c) 2017 - 2018, Intel Corporation. All rights reserved.<BR>
This program and the accompanying materials
are licensed and made available under the terms and conditions of the BSD License
which accompanies this distribution. The full text of the license may be found at
@ -473,7 +473,8 @@ InitializeDmaProtection (
EFI_STATUS Status;
EFI_EVENT ExitBootServicesEvent;
EFI_EVENT LegacyBootEvent;
EFI_EVENT Event;
EFI_EVENT EventAcpi10;
EFI_EVENT EventAcpi20;
Status = gBS->CreateEventEx (
EVT_NOTIFY_SIGNAL,
@ -481,7 +482,7 @@ InitializeDmaProtection (
AcpiNotificationFunc,
NULL,
&gEfiAcpi10TableGuid,
&Event
&EventAcpi10
);
ASSERT_EFI_ERROR (Status);
@ -491,10 +492,17 @@ InitializeDmaProtection (
AcpiNotificationFunc,
NULL,
&gEfiAcpi20TableGuid,
&Event
&EventAcpi20
);
ASSERT_EFI_ERROR (Status);
//
// Signal the events initially for the case
// that DMAR table has been installed.
//
gBS->SignalEvent (EventAcpi20);
gBS->SignalEvent (EventAcpi10);
Status = gBS->CreateEventEx (
EVT_NOTIFY_SIGNAL,
TPL_CALLBACK,

3
IntelSiliconPkg/Feature/VTd/IntelVTdDxe/DmarAcpiTable.c
View File

@ -1005,6 +1005,9 @@ GetDmarAcpiTable (
&AcpiTable
);
}
if (EFI_ERROR (Status)) {
return EFI_NOT_FOUND;
}
ASSERT (AcpiTable != NULL);
mAcpiDmarTable = FindAcpiPtr (