1 files changed, 13 insertions, 3 deletions
diff --git a/source/include/actbl3.h b/source/include/actbl3.h
index acf2e13..e63d672 100644
--- a/source/include/actbl3.h
+++ b/source/include/actbl3.h
@@ -440,8 +440,7 @@ typedef struct acpi_table_pcct
 {
     ACPI_TABLE_HEADER       Header;             /* Common ACPI table header */
     UINT32                  Flags;
-    UINT32                  Latency;
-    UINT32                  Reserved;
+    UINT64                  Reserved;
 
 } ACPI_TABLE_PCCT;
 
@@ -449,8 +448,16 @@ typedef struct acpi_table_pcct
 
 #define ACPI_PCCT_DOORBELL              1
 
+/* Values for subtable type in ACPI_SUBTABLE_HEADER */
+
+enum AcpiPcctType
+{
+    ACPI_PCCT_TYPE_GENERIC_SUBSPACE     = 0,
+    ACPI_PCCT_TYPE_RESERVED             = 1     /* 1 and greater are reserved */
+};
+
 /*
- * PCCT subtables
+ * PCCT Subtables, correspond to Type in ACPI_SUBTABLE_HEADER
  */
 
 /* 0: Generic Communications Subspace */
@@ -464,6 +471,9 @@ typedef struct acpi_pcct_subspace
     ACPI_GENERIC_ADDRESS    DoorbellRegister;
     UINT64                  PreserveMask;
     UINT64                  WriteMask;
+    UINT32                  Latency;
+    UINT32                  MaxAccessRate;
+    UINT16                  MinTurnaroundTime;
 
 } ACPI_PCCT_SUBSPACE;