diff mbox

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

Message ID 1423058539-26403-24-git-send-email-parth.dixit@linaro.org
State New
Headers show

Commit Message

Parth Dixit Feb. 4, 2015, 2:02 p.m. UTC 
From: Parth Dixit <parth.dixit@linaro.org>

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

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

Patch

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