IortParser.c

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#include <IndustryStandard/IoRemappingTable.h>
#include <Library/PrintLib.h>
#include <Library/UefiLib.h>
#include "AcpiParser.h"
#include "AcpiTableParser.h"
#include "AcpiViewConfig.h"
 
// Local variables
STATIC ACPI_DESCRIPTION_HEADER_INFO  AcpiHdrInfo;
 
STATIC CONST UINT32  *IortNodeCount;
STATIC CONST UINT32  *IortNodeOffset;
 
STATIC CONST UINT8   *IortNodeType;
STATIC CONST UINT16  *IortNodeLength;
STATIC CONST UINT8   *IortNodeRevision;
STATIC CONST UINT32  *IortIdMappingCount;
STATIC CONST UINT32  *IortIdMappingOffset;
 
STATIC CONST UINT32  *InterruptContextCount;
STATIC CONST UINT32  *InterruptContextOffset;
STATIC CONST UINT32  *PmuInterruptCount;
STATIC CONST UINT32  *PmuInterruptOffset;
 
STATIC CONST UINT32  *ItsCount;
 
STATIC CONST UINT32  *RmrMemDescCount;
STATIC CONST UINT32  *RmrMemDescOffset;
 
STATIC
VOID
EFIAPI
ValidateItsIdMappingCount (
  IN UINT8   *Ptr,
  IN UINT32  Length,
  IN VOID    *Context
  )
{
  if (*(UINT32 *)Ptr != 0) {
    IncrementErrorCount ();
    Print (L"\nERROR: IORT ID Mapping count must be zero.");
  }
}
 
STATIC
VOID
EFIAPI
ValidatePmcgIdMappingCount (
  IN UINT8   *Ptr,
  IN UINT32  Length,
  IN VOID    *Context
  )
{
  if (*(UINT32 *)Ptr > 1) {
    IncrementErrorCount ();
    Print (L"\nERROR: IORT ID Mapping count must not be greater than 1.");
  }
}
 
STATIC
VOID
EFIAPI
ValidateItsIdArrayReference (
  IN UINT8   *Ptr,
  IN UINT32  Length,
  IN VOID    *Context
  )
{
  if (*(UINT32 *)Ptr != 0) {
    IncrementErrorCount ();
    Print (L"\nERROR: IORT ID Mapping offset must be zero.");
  }
}
 
STATIC
VOID
EFIAPI
ValidatePhysicalRange (
  IN UINT8   *Ptr,
  IN UINT32  Length,
  IN VOID    *Context
  )
{
  UINT64  Value;
 
  Value = *(UINT64 *)Ptr;
  if ((Value == 0) || ((Value & (SIZE_64KB - 1)) != 0)) {
    IncrementErrorCount ();
    Print (L"\nERROR: Physical Range must be 64K aligned and cannot be zero.");
  }
}
 
STATIC
VOID
EFIAPI
ValidateRmrMemDescCount (
  IN UINT8   *Ptr,
  IN UINT32  Length,
  IN VOID    *Context
  )
{
  if (*(UINT32 *)Ptr == 0) {
    IncrementErrorCount ();
    Print (L"\nERROR: Memory Range Descriptor count must be >=1.");
  }
}
 
#define PARSE_IORT_NODE_HEADER(ValidateIdMappingCount,                        \
                               ValidateIdArrayReference)                      \
  { L"Type", 1, 0, L"%d", NULL, (VOID**)&IortNodeType, NULL, NULL },          \
  { L"Length", 2, 1, L"%d", NULL, (VOID**)&IortNodeLength, NULL, NULL },      \
  { L"Revision", 1, 3, L"%d", NULL, (VOID**)&IortNodeRevision, NULL, NULL },  \
  { L"Identifier", 4, 4, L"0x%x", NULL, NULL, NULL, NULL },                   \
  { L"Number of ID mappings", 4, 8, L"%d", NULL,                              \
    (VOID**)&IortIdMappingCount, ValidateIdMappingCount, NULL },              \
  { L"Reference to ID Array", 4, 12, L"0x%x", NULL,                           \
    (VOID**)&IortIdMappingOffset, ValidateIdArrayReference, NULL }
 
STATIC CONST ACPI_PARSER  IortParser[] = {
  PARSE_ACPI_HEADER (&AcpiHdrInfo),
  { L"Number of IORT Nodes",       4,     36, L"%d",   NULL,
    (VOID **)&IortNodeCount,       NULL,  NULL },
  { L"Offset to Array of IORT Nodes",4,     40, L"0x%x", NULL,
    (VOID **)&IortNodeOffset,      NULL,  NULL },
  { L"Reserved",                   4,     44, L"0x%x", NULL,NULL,NULL, NULL }
};
 
STATIC CONST ACPI_PARSER  IortNodeHeaderParser[] = {
  PARSE_IORT_NODE_HEADER (NULL, NULL)
};
 
STATIC CONST ACPI_PARSER  IortNodeSmmuV1V2Parser[] = {
  PARSE_IORT_NODE_HEADER (NULL,       NULL),
  { L"Base Address",                  8,    16,  L"0x%lx", NULL, NULL, NULL, NULL },
  { L"Span",                          8,    24,  L"0x%lx", NULL, NULL, NULL, NULL },
  { L"Model",                         4,    32,  L"%d",    NULL, NULL, NULL, NULL },
  { L"Flags",                         4,    36,  L"0x%x",  NULL, NULL, NULL, NULL },
  { L"Global Interrupt Array Ref",    4,    40,  L"0x%x",  NULL, NULL, NULL,
    NULL },
  { L"Number of context interrupts",  4,    44,  L"%d",    NULL,
    (VOID **)&InterruptContextCount,  NULL, NULL },
  { L"Context Interrupt Array Ref",   4,    48,  L"0x%x",  NULL,
    (VOID **)&InterruptContextOffset, NULL, NULL },
  { L"Number of PMU Interrupts",      4,    52,  L"%d",    NULL,
    (VOID **)&PmuInterruptCount,      NULL, NULL },
  { L"PMU Interrupt Array Ref",       4,    56,  L"0x%x",  NULL,
    (VOID **)&PmuInterruptOffset,     NULL, NULL },
 
  // Interrupt Array
  { L"SMMU_NSgIrpt",                  4,    60,  L"0x%x",  NULL, NULL, NULL, NULL },
  { L"SMMU_NSgIrpt interrupt flags",  4,    64,  L"0x%x",  NULL, NULL, NULL, NULL },
  { L"SMMU_NSgCfgIrpt",               4,    68,  L"0x%x",  NULL, NULL, NULL, NULL },
  { L"SMMU_NSgCfgIrpt interrupt flags",4,    72,  L"0x%x",  NULL, NULL, NULL, NULL }
};
 
STATIC CONST ACPI_PARSER  InterruptArrayParser[] = {
  { L"Interrupt GSIV", 4, 0, L"0x%x", NULL, NULL, NULL, NULL },
  { L"Flags",          4, 4, L"0x%x", NULL, NULL, NULL, NULL }
};
 
STATIC CONST ACPI_PARSER  IortNodeIdMappingParser[] = {
  { L"Input base",       4, 0,  L"0x%x", NULL, NULL, NULL, NULL },
  { L"Number of IDs",    4, 4,  L"0x%x", NULL, NULL, NULL, NULL },
  { L"Output base",      4, 8,  L"0x%x", NULL, NULL, NULL, NULL },
  { L"Output reference", 4, 12, L"0x%x", NULL, NULL, NULL, NULL },
  { L"Flags",            4, 16, L"0x%x", NULL, NULL, NULL, NULL }
};
 
STATIC CONST ACPI_PARSER  IortNodeSmmuV3Parser[] = {
  PARSE_IORT_NODE_HEADER (NULL, NULL),
  { L"Base Address",            8,    16,  L"0x%lx", NULL, NULL, NULL, NULL },
  { L"Flags",                   4,    24,  L"0x%x",  NULL, NULL, NULL, NULL },
  { L"Reserved",                4,    28,  L"0x%x",  NULL, NULL, NULL, NULL },
  { L"VATOS Address",           8,    32,  L"0x%lx", NULL, NULL, NULL, NULL },
  { L"Model",                   4,    40,  L"%d",    NULL, NULL, NULL, NULL },
  { L"Event",                   4,    44,  L"0x%x",  NULL, NULL, NULL, NULL },
  { L"PRI",                     4,    48,  L"0x%x",  NULL, NULL, NULL, NULL },
  { L"GERR",                    4,    52,  L"0x%x",  NULL, NULL, NULL, NULL },
  { L"Sync",                    4,    56,  L"0x%x",  NULL, NULL, NULL, NULL },
  { L"Proximity domain",        4,    60,  L"0x%x",  NULL, NULL, NULL, NULL },
  { L"Device ID mapping index", 4,    64,  L"%d",    NULL, NULL, NULL, NULL }
};
 
STATIC CONST ACPI_PARSER  IortNodeItsParser[] = {
  PARSE_IORT_NODE_HEADER (
    ValidateItsIdMappingCount,
    ValidateItsIdArrayReference
    ),
  { L"Number of ITSs",        4,16, L"%d", NULL, (VOID **)&ItsCount, NULL }
};
 
STATIC CONST ACPI_PARSER  ItsIdParser[] = {
  { L"GIC ITS Identifier", 4, 0, L"%d", NULL, NULL, NULL }
};
 
STATIC CONST ACPI_PARSER  IortNodeNamedComponentParser[] = {
  PARSE_IORT_NODE_HEADER (NULL, NULL),
  { L"Node Flags",              4,    16,  L"%d",    NULL, NULL, NULL, NULL },
  { L"Memory access properties",8,    20,  L"0x%lx", NULL, NULL, NULL, NULL },
  { L"Device memory address size limit",1,    28,  L"%d",    NULL, NULL, NULL, NULL }
};
 
STATIC CONST ACPI_PARSER  IortNodeRootComplexParser[] = {
  PARSE_IORT_NODE_HEADER (NULL, NULL),
  { L"Memory access properties",8,    16,  L"0x%lx", NULL, NULL, NULL, NULL },
  { L"ATS Attribute",           4,    24,  L"0x%x",  NULL, NULL, NULL, NULL },
  { L"PCI Segment number",      4,    28,  L"0x%x",  NULL, NULL, NULL, NULL },
  { L"Memory access size limit",1,    32,  L"0x%x",  NULL, NULL, NULL, NULL },
  { L"PASID capabilities",      2,    33,  L"0x%x",  NULL, NULL, NULL, NULL },
  { L"Reserved",                1,    35,  L"%x",    NULL, NULL, NULL, NULL },
  { L"Flags",                   4,    36,  L"0x%x",  NULL, NULL, NULL, NULL },
};
 
STATIC CONST ACPI_PARSER  IortNodePmcgParser[] = {
  PARSE_IORT_NODE_HEADER (ValidatePmcgIdMappingCount, NULL),
  { L"Page 0 Base Address",                           8,    16,  L"0x%lx", NULL, NULL, NULL, NULL },
  { L"Overflow interrupt GSIV",                       4,    24,  L"0x%x",  NULL, NULL, NULL, NULL },
  { L"Node reference",                                4,    28,  L"0x%x",  NULL, NULL, NULL, NULL },
  { L"Page 1 Base Address",                           8,    32,  L"0x%lx", NULL, NULL, NULL, NULL }
};
 
STATIC CONST ACPI_PARSER  IortNodeRmrParser[] = {
  PARSE_IORT_NODE_HEADER (NULL, NULL),
  { L"Flags",                   4,                      16,  L"0x%x", NULL, NULL, NULL, NULL },
  { L"Memory Range Desc count", 4,                      20,  L"%d",   NULL,
    (VOID **)&RmrMemDescCount,  ValidateRmrMemDescCount,NULL },
  { L"Memory Range Desc Ref",   4,                      24,  L"0x%x", NULL,
    (VOID **)&RmrMemDescOffset, NULL,                   NULL }
};
 
STATIC CONST ACPI_PARSER  IortNodeRmrMemRangeDescParser[] = {
  { L"Physical Range offset", 8, 0,  L"0x%lx", NULL, NULL, ValidatePhysicalRange,
    NULL },
  { L"Physical Range length", 8, 8,  L"0x%lx", NULL, NULL, ValidatePhysicalRange,
    NULL },
  { L"Reserved",              4, 16, L"0x%x",  NULL, NULL, NULL,                 NULL}
};
 
STATIC
VOID
DumpIortNodeIdMappings (
  IN UINT8   *Ptr,
  IN UINT32  Length,
  IN UINT32  MappingCount
  )
{
  UINT32  Index;
  UINT32  Offset;
  CHAR8   Buffer[40]; // Used for AsciiName param of ParseAcpi
 
  Index  = 0;
  Offset = 0;
 
  while ((Index < MappingCount) &&
         (Offset < Length))
  {
    AsciiSPrint (
      Buffer,
      sizeof (Buffer),
      "ID Mapping [%d]",
      Index
      );
    Offset += ParseAcpi (
                TRUE,
                4,
                Buffer,
                Ptr + Offset,
                Length - Offset,
                PARSER_PARAMS (IortNodeIdMappingParser)
                );
    Index++;
  }
}
 
STATIC
VOID
DumpIortNodeSmmuV1V2 (
  IN UINT8   *Ptr,
  IN UINT16  Length,
  IN UINT32  MappingCount,
  IN UINT32  MappingOffset
  )
{
  UINT32  Index;
  UINT32  Offset;
  CHAR8   Buffer[50]; // Used for AsciiName param of ParseAcpi
 
  ParseAcpi (
    TRUE,
    2,
    "SMMUv1 or SMMUv2 Node",
    Ptr,
    Length,
    PARSER_PARAMS (IortNodeSmmuV1V2Parser)
    );
 
  // Check if the values used to control the parsing logic have been
  // successfully read.
  if ((InterruptContextCount == NULL)   ||
      (InterruptContextOffset == NULL)  ||
      (PmuInterruptCount == NULL)       ||
      (PmuInterruptOffset == NULL))
  {
    IncrementErrorCount ();
    Print (
      L"ERROR: Insufficient SMMUv1/2 node length. Length = %d\n",
      Length
      );
    return;
  }
 
  Offset = *InterruptContextOffset;
  Index  = 0;
 
  while ((Index < *InterruptContextCount) &&
         (Offset < Length))
  {
    AsciiSPrint (
      Buffer,
      sizeof (Buffer),
      "Context Interrupts Array [%d]",
      Index
      );
    Offset += ParseAcpi (
                TRUE,
                4,
                Buffer,
                Ptr + Offset,
                Length - Offset,
                PARSER_PARAMS (InterruptArrayParser)
                );
    Index++;
  }
 
  Offset = *PmuInterruptOffset;
  Index  = 0;
 
  while ((Index < *PmuInterruptCount) &&
         (Offset < Length))
  {
    AsciiSPrint (
      Buffer,
      sizeof (Buffer),
      "PMU Interrupts Array [%d]",
      Index
      );
    Offset += ParseAcpi (
                TRUE,
                4,
                Buffer,
                Ptr + Offset,
                Length - Offset,
                PARSER_PARAMS (InterruptArrayParser)
                );
    Index++;
  }
 
  DumpIortNodeIdMappings (
    Ptr + MappingOffset,
    Length - MappingOffset,
    MappingCount
    );
}
 
STATIC
VOID
DumpIortNodeSmmuV3 (
  IN UINT8   *Ptr,
  IN UINT16  Length,
  IN UINT32  MappingCount,
  IN UINT32  MappingOffset
  )
{
  ParseAcpi (
    TRUE,
    2,
    "SMMUV3 Node",
    Ptr,
    Length,
    PARSER_PARAMS (IortNodeSmmuV3Parser)
    );
 
  DumpIortNodeIdMappings (
    Ptr + MappingOffset,
    Length - MappingOffset,
    MappingCount
    );
}
 
STATIC
VOID
DumpIortNodeIts (
  IN UINT8   *Ptr,
  IN UINT16  Length
  )
{
  UINT32  Offset;
  UINT32  Index;
  CHAR8   Buffer[80]; // Used for AsciiName param of ParseAcpi
 
  Offset = ParseAcpi (
             TRUE,
             2,
             "ITS Node",
             Ptr,
             Length,
             PARSER_PARAMS (IortNodeItsParser)
             );
 
  // Check if the values used to control the parsing logic have been
  // successfully read.
  if (ItsCount == NULL) {
    IncrementErrorCount ();
    Print (
      L"ERROR: Insufficient ITS group length. Length = %d.\n",
      Length
      );
    return;
  }
 
  Index = 0;
 
  while ((Index < *ItsCount) &&
         (Offset < Length))
  {
    AsciiSPrint (
      Buffer,
      sizeof (Buffer),
      "GIC ITS Identifier Array [%d]",
      Index
      );
    Offset += ParseAcpi (
                TRUE,
                4,
                Buffer,
                Ptr + Offset,
                Length - Offset,
                PARSER_PARAMS (ItsIdParser)
                );
    Index++;
  }
 
  // Note: ITS does not have the ID Mappings Array
}
 
STATIC
VOID
DumpIortNodeNamedComponent (
  IN UINT8   *Ptr,
  IN UINT16  Length,
  IN UINT32  MappingCount,
  IN UINT32  MappingOffset
  )
{
  UINT32  Offset;
 
  Offset = ParseAcpi (
             TRUE,
             2,
             "Named Component Node",
             Ptr,
             Length,
             PARSER_PARAMS (IortNodeNamedComponentParser)
             );
 
  // Estimate the Device Name length
  PrintFieldName (2, L"Device Object Name");
 
  while ((*(Ptr + Offset) != 0) &&
         (Offset < Length))
  {
    Print (L"%c", *(Ptr + Offset));
    Offset++;
  }
 
  Print (L"\n");
 
  DumpIortNodeIdMappings (
    Ptr + MappingOffset,
    Length - MappingOffset,
    MappingCount
    );
}
 
STATIC
VOID
DumpIortNodeRootComplex (
  IN UINT8   *Ptr,
  IN UINT16  Length,
  IN UINT32  MappingCount,
  IN UINT32  MappingOffset
  )
{
  ParseAcpi (
    TRUE,
    2,
    "Root Complex Node",
    Ptr,
    Length,
    PARSER_PARAMS (IortNodeRootComplexParser)
    );
 
  DumpIortNodeIdMappings (
    Ptr + MappingOffset,
    Length - MappingOffset,
    MappingCount
    );
}
 
STATIC
VOID
DumpIortNodePmcg (
  IN UINT8   *Ptr,
  IN UINT16  Length,
  IN UINT32  MappingCount,
  IN UINT32  MappingOffset
  )
{
  ParseAcpi (
    TRUE,
    2,
    "PMCG Node",
    Ptr,
    Length,
    PARSER_PARAMS (IortNodePmcgParser)
    );
 
  DumpIortNodeIdMappings (
    Ptr + MappingOffset,
    Length - MappingOffset,
    MappingCount
    );
}
 
STATIC
VOID
DumpIortNodeRmrMemRangeDesc (
  IN UINT8   *Ptr,
  IN UINT32  Length,
  IN UINT32  DescCount
  )
{
  UINT32  Index;
  UINT32  Offset;
  CHAR8   Buffer[40]; // Used for AsciiName param of ParseAcpi
 
  Index  = 0;
  Offset = 0;
 
  while ((Index < DescCount) &&
         (Offset < Length))
  {
    AsciiSPrint (
      Buffer,
      sizeof (Buffer),
      "Mem range Descriptor [%d]",
      Index
      );
    Offset += ParseAcpi (
                TRUE,
                4,
                Buffer,
                Ptr + Offset,
                Length - Offset,
                PARSER_PARAMS (IortNodeRmrMemRangeDescParser)
                );
    Index++;
  }
}
 
STATIC
VOID
DumpIortNodeRmr (
  IN UINT8   *Ptr,
  IN UINT16  Length,
  IN UINT32  MappingCount,
  IN UINT32  MappingOffset
  )
{
  ParseAcpi (
    TRUE,
    2,
    "RMR Node",
    Ptr,
    Length,
    PARSER_PARAMS (IortNodeRmrParser)
    );
 
  if (*IortNodeRevision == EFI_ACPI_IORT_RMR_NODE_REVISION_02) {
    IncrementErrorCount ();
    Print (
      L"ERROR: RMR node Rev 2 (defined in IORT Rev E.c) must not be used."
      L" IORT tabe Revision E.c is deprecated and must not be used.\n"
      );
  }
 
  DumpIortNodeIdMappings (
    Ptr + MappingOffset,
    Length - MappingOffset,
    MappingCount
    );
 
  DumpIortNodeRmrMemRangeDesc (
    Ptr + (*RmrMemDescOffset),
    Length - (*RmrMemDescOffset),
    *RmrMemDescCount
    );
}
 
VOID
EFIAPI
ParseAcpiIort (
  IN BOOLEAN  Trace,
  IN UINT8    *Ptr,
  IN UINT32   AcpiTableLength,
  IN UINT8    AcpiTableRevision
  )
{
  UINT32  Offset;
  UINT32  Index;
  UINT8   *NodePtr;
 
  if (!Trace) {
    return;
  }
 
  if ((AcpiTableRevision > EFI_ACPI_IO_REMAPPING_TABLE_REVISION_00) &&
      (AcpiTableRevision < EFI_ACPI_IO_REMAPPING_TABLE_REVISION_05))
  {
    Print (
      L"ERROR: Parsing not supported for IORT tabe Revision E, E.<a,b,c>.\n"
      );
    if (AcpiTableRevision == EFI_ACPI_IO_REMAPPING_TABLE_REVISION_04) {
      IncrementErrorCount ();
      Print (
        L"ERROR: IORT tabe Revision E.c is deprecated and must not be used.\n"
        );
    }
 
    return;
  }
 
  ParseAcpi (
    TRUE,
    0,
    "IORT",
    Ptr,
    AcpiTableLength,
    PARSER_PARAMS (IortParser)
    );
 
  // Check if the values used to control the parsing logic have been
  // successfully read.
  if ((IortNodeCount == NULL) ||
      (IortNodeOffset == NULL))
  {
    IncrementErrorCount ();
    Print (
      L"ERROR: Insufficient table length. AcpiTableLength = %d.\n",
      AcpiTableLength
      );
    return;
  }
 
  Offset  = *IortNodeOffset;
  NodePtr = Ptr + Offset;
  Index   = 0;
 
  // Parse the specified number of IORT nodes or the IORT table buffer length.
  // Whichever is minimum.
  while ((Index++ < *IortNodeCount) &&
         (Offset < AcpiTableLength))
  {
    // Parse the IORT Node Header
    ParseAcpi (
      FALSE,
      0,
      "IORT Node Header",
      NodePtr,
      AcpiTableLength - Offset,
      PARSER_PARAMS (IortNodeHeaderParser)
      );
 
    // Check if the values used to control the parsing logic have been
    // successfully read.
    if ((IortNodeType == NULL)        ||
        (IortNodeLength == NULL)      ||
        (IortIdMappingCount == NULL)  ||
        (IortIdMappingOffset == NULL))
    {
      IncrementErrorCount ();
      Print (
        L"ERROR: Insufficient remaining table buffer length to read the " \
        L"IORT node header. Length = %d.\n",
        AcpiTableLength - Offset
        );
      return;
    }
 
    // Validate IORT Node length
    if ((*IortNodeLength == 0) ||
        ((Offset + (*IortNodeLength)) > AcpiTableLength))
    {
      IncrementErrorCount ();
      Print (
        L"ERROR: Invalid IORT Node length. " \
        L"Length = %d. Offset = %d. AcpiTableLength = %d.\n",
        *IortNodeLength,
        Offset,
        AcpiTableLength
        );
      return;
    }
 
    PrintFieldName (2, L"* Node Offset *");
    Print (L"0x%x\n", Offset);
 
    switch (*IortNodeType) {
      case EFI_ACPI_IORT_TYPE_ITS_GROUP:
        DumpIortNodeIts (
          NodePtr,
          *IortNodeLength
          );
        break;
      case EFI_ACPI_IORT_TYPE_NAMED_COMP:
        DumpIortNodeNamedComponent (
          NodePtr,
          *IortNodeLength,
          *IortIdMappingCount,
          *IortIdMappingOffset
          );
        break;
      case EFI_ACPI_IORT_TYPE_ROOT_COMPLEX:
        DumpIortNodeRootComplex (
          NodePtr,
          *IortNodeLength,
          *IortIdMappingCount,
          *IortIdMappingOffset
          );
        break;
      case EFI_ACPI_IORT_TYPE_SMMUv1v2:
        DumpIortNodeSmmuV1V2 (
          NodePtr,
          *IortNodeLength,
          *IortIdMappingCount,
          *IortIdMappingOffset
          );
        break;
      case EFI_ACPI_IORT_TYPE_SMMUv3:
        DumpIortNodeSmmuV3 (
          NodePtr,
          *IortNodeLength,
          *IortIdMappingCount,
          *IortIdMappingOffset
          );
        break;
      case EFI_ACPI_IORT_TYPE_PMCG:
        DumpIortNodePmcg (
          NodePtr,
          *IortNodeLength,
          *IortIdMappingCount,
          *IortIdMappingOffset
          );
        break;
      case EFI_ACPI_IORT_TYPE_RMR:
        DumpIortNodeRmr (
          NodePtr,
          *IortNodeLength,
          *IortIdMappingCount,
          *IortIdMappingOffset
          );
        break;
      default:
        IncrementErrorCount ();
        Print (L"ERROR: Unsupported IORT Node type = %d\n", *IortNodeType);
    } // switch
 
    NodePtr += (*IortNodeLength);
    Offset  += (*IortNodeLength);
  } // while
}