[edk2-devel] [PATCH] IntelSiliconPkg/VTd: Refine VTd core driver

[Robert Kowalewski]

Reviewed-by: Robert Kowalewski <robert.kowalewski at intel.com>

-----Original Message-----
From: Sheng, W <w.sheng at intel.com> 
Sent: Tuesday, October 18, 2022 8:43 AM
To: devel at edk2.groups.io
Cc: Ni, Ray <ray.ni at intel.com>; Chaganty, Rangasai V <rangasai.v.chaganty at intel.com>; Huang, Jenny <jenny.huang at intel.com>; Kowalewski, Robert <robert.kowalewski at intel.com>
Subject: [PATCH] IntelSiliconPkg/VTd: Refine VTd core driver

Refine the DRHD table print message.
Remove unused variable.

Hsd-es-id: 15012152545
Signed-off-by: Sheng Wei <w.sheng at intel.com>
Cc: Ray Ni <ray.ni at intel.com>
Cc: Rangasai V Chaganty <rangasai.v.chaganty at intel.com>
Cc: Jenny Huang <jenny.huang at intel.com>
Cc: Robert Kowalewski <robert.kowalewski at intel.com>
---
 .../Feature/VTd/IntelVTdDmarPei/IntelVTdDmar.c            | 3 +--
 .../Feature/VTd/IntelVTdDxe/DmarAcpiTable.c               | 8 ++++----
 .../IntelSiliconPkg/Feature/VTd/IntelVTdDxe/VtdReg.c      | 3 +--
 3 files changed, 6 insertions(+), 8 deletions(-)

diff --git a/Silicon/Intel/IntelSiliconPkg/Feature/VTd/IntelVTdDmarPei/IntelVTdDmar.c b/Silicon/Intel/IntelSiliconPkg/Feature/VTd/IntelVTdDmarPei/IntelVTdDmar.c
index 24beccd26..af85a3d8e 100644
--- a/Silicon/Intel/IntelSiliconPkg/Feature/VTd/IntelVTdDmarPei/IntelVTdDmar.c
+++ b/Silicon/Intel/IntelSiliconPkg/Feature/VTd/IntelVTdDmarPei/IntelVTdDmar.c
@@ -486,7 +486,6 @@ EnableDmar (
   IN UINTN                      RootEntryTable

   )

 {

-  UINT32                        Reg32;

   UINTN                         VtdUnitBaseAddress;

   BOOLEAN                       TEWasEnabled;

 

@@ -529,7 +528,7 @@ EnableDmar (
   //

   // Init DMAr Fault Event and Data registers

   //

-  Reg32 = MmioRead32 (VtdUnitBaseAddress + R_FEDATA_REG);

+  MmioRead32 (VtdUnitBaseAddress + R_FEDATA_REG);

 

   //

   // Write Buffer Flush before invalidation

diff --git a/Silicon/Intel/IntelSiliconPkg/Feature/VTd/IntelVTdDxe/DmarAcpiTable.c b/Silicon/Intel/IntelSiliconPkg/Feature/VTd/IntelVTdDxe/DmarAcpiTable.c
index 42e1b1449..a485f4d9a 100644
--- a/Silicon/Intel/IntelSiliconPkg/Feature/VTd/IntelVTdDxe/DmarAcpiTable.c
+++ b/Silicon/Intel/IntelSiliconPkg/Feature/VTd/IntelVTdDxe/DmarAcpiTable.c
@@ -536,14 +536,14 @@ DumpDmarDrhd (
     "    Flags ................................................ 0x%02x\n",

     Drhd->Flags

     ));

-  DEBUG ((DEBUG_INFO,

-    "    Size ................................................. 0x%02x\n",

-    Drhd->Size

-    ));

   DEBUG ((DEBUG_INFO,

     "      INCLUDE_PCI_ALL .................................... 0x%02x\n",

     Drhd->Flags & EFI_ACPI_DMAR_DRHD_FLAGS_INCLUDE_PCI_ALL

     ));

+  DEBUG ((DEBUG_INFO,

+    "    Size ................................................. 0x%02x\n",

+    Drhd->Size

+    ));

   DEBUG ((DEBUG_INFO,

     "    Segment Number ....................................... 0x%04x\n",

     Drhd->SegmentNumber

diff --git a/Silicon/Intel/IntelSiliconPkg/Feature/VTd/IntelVTdDxe/VtdReg.c b/Silicon/Intel/IntelSiliconPkg/Feature/VTd/IntelVTdDxe/VtdReg.c
index 1b354e850..8e834f4c4 100644
--- a/Silicon/Intel/IntelSiliconPkg/Feature/VTd/IntelVTdDxe/VtdReg.c
+++ b/Silicon/Intel/IntelSiliconPkg/Feature/VTd/IntelVTdDxe/VtdReg.c
@@ -573,7 +573,6 @@ EnableDmar (
   )

 {

   UINTN     Index;

-  UINT32    Reg32;

   UINTN     VtdUnitBaseAddress;

   BOOLEAN   TEWasEnabled;

 

@@ -615,7 +614,7 @@ EnableDmar (
     //

     // Init DMAr Fault Event and Data registers

     //

-    Reg32 = MmioRead32 (mVtdUnitInformation[Index].VtdUnitBaseAddress + R_FEDATA_REG);

+    MmioRead32 (mVtdUnitInformation[Index].VtdUnitBaseAddress + R_FEDATA_REG);

 

     //

     // Write Buffer Flush before invalidation

-- 
2.26.2.windows.1

---------------------------------------------------------------------
Intel Technology Poland sp. z o.o.
ul. Slowackiego 173 | 80-298 Gdansk | Sad Rejonowy Gdansk Polnoc | VII Wydzial Gospodarczy Krajowego Rejestru Sadowego - KRS 101882 | NIP 957-07-52-316 | Kapital zakladowy 200.000 PLN.
Spolka oswiadcza, ze posiada status duzego przedsiebiorcy w rozumieniu ustawy z dnia 8 marca 2013 r. o przeciwdzialaniu nadmiernym opoznieniom w transakcjach handlowych.

Ta wiadomosc wraz z zalacznikami jest przeznaczona dla okreslonego adresata i moze zawierac informacje poufne. W razie przypadkowego otrzymania tej wiadomosci, prosimy o powiadomienie nadawcy oraz trwale jej usuniecie; jakiekolwiek przegladanie lub rozpowszechnianie jest zabronione.
This e-mail and any attachments may contain confidential material for the sole use of the intended recipient(s). If you are not the intended recipient, please contact the sender and delete all copies; any review or distribution by others is strictly prohibited.



-=-=-=-=-=-=-=-=-=-=-=-
Groups.io Links: You receive all messages sent to this group.
View/Reply Online (#95311): https://edk2.groups.io/g/devel/message/95311
Mute This Topic: https://groups.io/mt/94403119/1813853
Group Owner: devel+owner at edk2.groups.io
Unsubscribe: https://edk2.groups.io/g/devel/unsub [edk2-devel-archive at redhat.com]
-=-=-=-=-=-=-=-=-=-=-=-