commit 5ace82441a34f8d45725f12f6bd2677e79c186a6
Author: Alison Schofield <alison.schofield@intel.com>
Date:   Thu May 20 13:33:02 2021 -0700

    Add defines for the CXL Host Bridge Structure (CHBS)
    
    CXL 2.0 defines length and version field values for the CHBS.
    Include them in the ACPI CEDT table definition.
    
    Signed-off-by: Alison Schofield <alison.schofield@intel.com>

diff --git a/source/include/actbl1.h b/source/include/actbl1.h
index a551303..51fee30 100644
--- a/source/include/actbl1.h
+++ b/source/include/actbl1.h
@@ -418,6 +418,15 @@ enum AcpiCedtType
     ACPI_CEDT_TYPE_RESERVED             = 1
 };
 
+/* Values for version field above */
+
+#define ACPI_CEDT_CHBS_VERSION_CXL11    (0)
+#define ACPI_CEDT_CHBS_VERSION_CXL20    (1)
+
+/* Values for length field above */
+
+#define ACPI_CEDT_CHBS_LENGTH_CXL11     (0x2000)
+#define ACPI_CEDT_CHBS_LENGTH_CXL20     (0x10000)
 
 /*
  * CEDT subtables