[Xen-devel] [PATCH RFC 23/35] arm: acpi add status override table

[parth.dixit@xxxxxxxxxx]

From: Parth Dixit <parth.dixit@xxxxxxxxxx>

Status override table is used to hide devices from DOM0
that are used by xen

Signed-off-by: Parth Dixit <parth.dixit@xxxxxxxxxx>
---
 xen/include/acpi/actbl2.h | 14 ++++++++++++++
 1 file changed, 14 insertions(+)

diff --git a/xen/include/acpi/actbl2.h b/xen/include/acpi/actbl2.h
index 6aad200..38e35d6 100644
--- a/xen/include/acpi/actbl2.h
+++ b/xen/include/acpi/actbl2.h
@@ -79,6 +79,7 @@
 #define ACPI_SIG_WDAT           "WDAT" /* Watchdog Action Table */
 #define ACPI_SIG_WDDT           "WDDT" /* Watchdog Timer Description Table */
 #define ACPI_SIG_WDRT           "WDRT" /* Watchdog Resource Table */
+#define ACPI_SIG_STAO           "STAO"  /* Status Override Table */
 
 #ifdef ACPI_UNDEFINED_TABLES
 /*
@@ -895,6 +896,19 @@ struct acpi_table_uefi {
 };
 
 
/*******************************************************************************
+  *
+  * STAO - Status Override Table
+  *        Version 1
+  *
+ 
******************************************************************************/
+
+struct acpi_table_stao {
+    struct acpi_table_header header;   /* Common ACPI table header */
+    u8 uart;    /* Indicates presence of SPCR table */
+    u8 devpath[1];    /* Full namepath of uart device in ACPI namespace */
+};
+
+/*******************************************************************************
  *
  * WAET - Windows ACPI Emulated devices Table
  *        Version 1
-- 
1.9.1


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