acpica-tools/SOURCES/CEDT-support_02.patch

commit b980be9b7fd364f62f62655e458325581a4f239c
Author: Ben Widawsky <ben@bwidawsk.net>
Date:   Thu Feb 25 14:11:46 2021 -0800

    CXL 2.0: CEDT: Add table and subtable dumping
    
    Signed-off-by: Ben Widawsky <ben.widawsky@intel.com>

diff --git a/source/common/dmtable.c b/source/common/dmtable.c
index 137b5b9..f483a78 100644
--- a/source/common/dmtable.c
+++ b/source/common/dmtable.c
@@ -376,7 +376,7 @@ const ACPI_DMTABLE_DATA     AcpiDmTableData[] =
     {ACPI_SIG_BERT, AcpiDmTableInfoBert,    NULL,           NULL,           TemplateBert},
     {ACPI_SIG_BGRT, AcpiDmTableInfoBgrt,    NULL,           NULL,           TemplateBgrt},
     {ACPI_SIG_BOOT, AcpiDmTableInfoBoot,    NULL,           NULL,           TemplateBoot},
-    {ACPI_SIG_CEDT, NULL,                   NULL,           NULL,           NULL},
+    {ACPI_SIG_CEDT, NULL,                   AcpiDmDumpCedt, NULL,           NULL},
     {ACPI_SIG_CPEP, NULL,                   AcpiDmDumpCpep, DtCompileCpep,  TemplateCpep},
     {ACPI_SIG_CSRT, NULL,                   AcpiDmDumpCsrt, DtCompileCsrt,  TemplateCsrt},
     {ACPI_SIG_DBG2, AcpiDmTableInfoDbg2,    AcpiDmDumpDbg2, DtCompileDbg2,  TemplateDbg2},
diff --git a/source/common/dmtbdump1.c b/source/common/dmtbdump1.c
index 0103a6c..19a810f 100644
--- a/source/common/dmtbdump1.c
+++ b/source/common/dmtbdump1.c
@@ -221,6 +221,82 @@ AcpiDmDumpAsf (
     }
 }
 
+/*******************************************************************************
+ *
+ * FUNCTION:    AcpiDmDumpCedt
+ *
+ * PARAMETERS:  Table               - A CEDT table
+ *
+ * RETURN:      None
+ *
+ * DESCRIPTION: Format the contents of a CEDT. This table type consists
+ *              of an open-ended number of subtables.
+ *
+ ******************************************************************************/
+
+void
+AcpiDmDumpCedt (
+    ACPI_TABLE_HEADER       *Table)
+{
+    ACPI_STATUS             Status;
+    ACPI_CEDT_HEADER        *Subtable;
+    UINT32                  Length = Table->Length;
+    UINT32                  Offset = sizeof (ACPI_TABLE_CEDT);
+    ACPI_DMTABLE_INFO       *InfoTable;
+
+
+    /* There is no main table (other than the standard ACPI header) */
+
+    Subtable = ACPI_ADD_PTR (ACPI_CEDT_HEADER, Table, Offset);
+    while (Offset < Table->Length)
+    {
+        /* Common subtable header */
+
+        AcpiOsPrintf ("\n");
+        Status = AcpiDmDumpTable (Length, Offset, Subtable,
+            Subtable->Length, AcpiDmTableInfoCedtHdr);
+        if (ACPI_FAILURE (Status))
+        {
+            return;
+        }
+
+        switch (Subtable->Type)
+        {
+        case ACPI_CEDT_TYPE_CHBS:
+
+            InfoTable = AcpiDmTableInfoCedt0;
+            break;
+
+        default:
+
+            AcpiOsPrintf ("\n**** Unknown CEDT subtable type 0x%X\n\n",
+                Subtable->Type);
+
+            /* Attempt to continue */
+
+            if (!Subtable->Length)
+            {
+                AcpiOsPrintf ("Invalid zero length subtable\n");
+                return;
+            }
+            goto NextSubtable;
+        }
+
+        Status = AcpiDmDumpTable (Length, Offset, Subtable,
+            Subtable->Length, InfoTable);
+        if (ACPI_FAILURE (Status))
+        {
+            return;
+        }
+
+NextSubtable:
+        /* Point to next subtable */
+
+        Offset += Subtable->Length;
+        Subtable = ACPI_ADD_PTR (ACPI_CEDT_HEADER, Subtable,
+            Subtable->Length);
+    }
+}
 
 /*******************************************************************************
  *
diff --git a/source/include/acdisasm.h b/source/include/acdisasm.h
index 5e94ee3..d7f348f 100644
--- a/source/include/acdisasm.h
+++ b/source/include/acdisasm.h
@@ -533,6 +533,10 @@ void
 AcpiDmDumpAsf (
     ACPI_TABLE_HEADER       *Table);
 
+void
+AcpiDmDumpCedt (
+    ACPI_TABLE_HEADER       *Table);
+
 void
 AcpiDmDumpCpep (
     ACPI_TABLE_HEADER       *Table);