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* [PATCH] IntelSiliconPkg/VTd: Add DMAR SIDP Table dumpping
@ 2022-08-17  6:20 Sheng Wei
  2022-08-18  5:17 ` Robert Kowalewski
  0 siblings, 1 reply; 2+ messages in thread
From: Sheng Wei @ 2022-08-17  6:20 UTC (permalink / raw)
  To: devel; +Cc: Ray Ni, Rangasai V Chaganty, Jenny Huang, Robert Kowalewski

VT-d spec 4.0 has added a new structure called SIDP which is more
generic to describe special properties of integrated devices.

Cc: Ray Ni <ray.ni@intel.com>
Cc: Rangasai V Chaganty <rangasai.v.chaganty@intel.com>
Cc: Jenny Huang <jenny.huang@intel.com>
Cc: Robert Kowalewski <robert.kowalewski@intel.com>
Signed-off-by: Sheng Wei <w.sheng@intel.com>
---
 .../Feature/VTd/IntelVTdDxe/DmarAcpiTable.c   | 72 +++++++++++++++++++
 1 file changed, 72 insertions(+)

diff --git a/Silicon/Intel/IntelSiliconPkg/Feature/VTd/IntelVTdDxe/DmarAcpiTable.c b/Silicon/Intel/IntelSiliconPkg/Feature/VTd/IntelVTdDxe/DmarAcpiTable.c
index 75fbd53ed..42e1b1449 100644
--- a/Silicon/Intel/IntelSiliconPkg/Feature/VTd/IntelVTdDxe/DmarAcpiTable.c
+++ b/Silicon/Intel/IntelSiliconPkg/Feature/VTd/IntelVTdDxe/DmarAcpiTable.c
@@ -93,6 +93,10 @@ DumpDmarDeviceScopeEntry (
     "      Length ............................................. 0x%02x\n",
     DmarDeviceScopeEntry->Length
     ));
+  DEBUG ((DEBUG_INFO,
+    "      Flags .............................................. 0x%02x\n",
+    DmarDeviceScopeEntry->Flags
+    ));
   DEBUG ((DEBUG_INFO,
     "      Enumeration ID ..................................... 0x%02x\n",
     DmarDeviceScopeEntry->EnumerationId
@@ -122,6 +126,66 @@ DumpDmarDeviceScopeEntry (
   return;
 }
 
+/**
+  Dump DMAR SIDP table.
+
+  @param[in]  Sidp  DMAR SIDP table
+**/
+VOID
+DumpDmarSidp (
+  IN EFI_ACPI_DMAR_SIDP_HEADER *Sidp
+  )
+{
+  EFI_ACPI_DMAR_DEVICE_SCOPE_STRUCTURE_HEADER   *DmarDeviceScopeEntry;
+  INTN                                          SidpLen;
+
+  if (Sidp == NULL) {
+    return;
+  }
+
+  DEBUG ((DEBUG_INFO,
+    "  ***************************************************************************\n"
+    ));
+  DEBUG ((DEBUG_INFO,
+    "  *       SoC Integrated Device Property Reporting Structure                *\n"
+    ));
+  DEBUG ((DEBUG_INFO,
+    "  ***************************************************************************\n"
+    ));
+  DEBUG ((DEBUG_INFO,
+    (sizeof(UINTN) == sizeof(UINT64)) ?
+    "  SIDP address ........................................... 0x%016lx\n" :
+    "  SIDP address ........................................... 0x%08x\n",
+    Sidp
+    ));
+  DEBUG ((DEBUG_INFO,
+    "    Type ................................................. 0x%04x\n",
+    Sidp->Header.Type
+    ));
+  DEBUG ((DEBUG_INFO,
+    "    Length ............................................... 0x%04x\n",
+    Sidp->Header.Length
+    ));
+  DEBUG ((DEBUG_INFO,
+    "    Segment Number ....................................... 0x%04x\n",
+    Sidp->SegmentNumber
+    ));
+
+  SidpLen  = Sidp->Header.Length - sizeof(EFI_ACPI_DMAR_SIDP_HEADER);
+  DmarDeviceScopeEntry = (EFI_ACPI_DMAR_DEVICE_SCOPE_STRUCTURE_HEADER *)(Sidp + 1);
+  while (SidpLen > 0) {
+    DumpDmarDeviceScopeEntry (DmarDeviceScopeEntry);
+    SidpLen -= DmarDeviceScopeEntry->Length;
+    DmarDeviceScopeEntry = (EFI_ACPI_DMAR_DEVICE_SCOPE_STRUCTURE_HEADER *)((UINTN)DmarDeviceScopeEntry + DmarDeviceScopeEntry->Length);
+  }
+
+  DEBUG ((DEBUG_INFO,
+    "  ***************************************************************************\n\n"
+    ));
+
+  return;
+}
+
 /**
   Dump DMAR SATC table.
 
@@ -472,6 +536,10 @@ 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
@@ -583,7 +651,11 @@ DumpAcpiDMAR (
     case EFI_ACPI_DMAR_TYPE_SATC:
       DumpDmarSatc ((EFI_ACPI_DMAR_SATC_HEADER *)DmarHeader);
       break;
+    case EFI_ACPI_DMAR_TYPE_SIDP:
+      DumpDmarSidp ((EFI_ACPI_DMAR_SIDP_HEADER *)DmarHeader);
+      break;
     default:
+      DEBUG ((DEBUG_INFO, "Unknown DMAR Table Type : %d\n", DmarHeader->Type));
       break;
     }
     DmarLen -= DmarHeader->Length;
-- 
2.26.2.windows.1


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2022-08-17  6:20 [PATCH] IntelSiliconPkg/VTd: Add DMAR SIDP Table dumpping Sheng Wei
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