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authorBob Moore <robert.moore@intel.com>2010-07-06 09:58:11 +0800
committerLen Brown <len.brown@intel.com>2010-07-06 22:34:27 -0400
commit9d8b5e7b28179784e2c6250086a44021fbb9c5a0 (patch)
tree11bbf5eca71def280ea5f10c0c55517ffc0c54be /include/acpi
parent546eb57695875712f676e5f729159b0779f1c0af (diff)
ACPICA: Add support for WDDT - Watchdog Descriptor Table
Header file support. Signed-off-by: Bob Moore <robert.moore@intel.com> Signed-off-by: Lin Ming <ming.m.lin@intel.com> Signed-off-by: Len Brown <len.brown@intel.com>
Diffstat (limited to 'include/acpi')
-rw-r--r--include/acpi/actbl2.h39
1 files changed, 39 insertions, 0 deletions
diff --git a/include/acpi/actbl2.h b/include/acpi/actbl2.h
index 0a600b8e53f..d4136b28011 100644
--- a/include/acpi/actbl2.h
+++ b/include/acpi/actbl2.h
@@ -77,6 +77,7 @@
#define ACPI_SIG_UEFI "UEFI" /* Uefi Boot Optimization Table */
#define ACPI_SIG_WAET "WAET" /* Windows ACPI Emulated devices Table */
#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 */
#ifdef ACPI_UNDEFINED_TABLES
@@ -918,6 +919,44 @@ enum acpi_wdat_instructions {
/*******************************************************************************
*
+ * WDDT - Watchdog Descriptor Table
+ * Version 1
+ *
+ * Conforms to "Using the Intel ICH Family Watchdog Timer (WDT)",
+ * Version 001, September 2002
+ *
+ ******************************************************************************/
+
+struct acpi_table_wddt {
+ struct acpi_table_header header; /* Common ACPI table header */
+ u16 spec_version;
+ u16 table_version;
+ u16 pci_vendor_id;
+ struct acpi_generic_address address;
+ u16 max_count; /* Maximum counter value supported */
+ u16 min_count; /* Minimum counter value supported */
+ u16 period;
+ u16 status;
+ u16 capability;
+};
+
+/* Flags for Status field above */
+
+#define ACPI_WDDT_AVAILABLE (1)
+#define ACPI_WDDT_ACTIVE (1<<1)
+#define ACPI_WDDT_TCO_OS_OWNED (1<<2)
+#define ACPI_WDDT_USER_RESET (1<<11)
+#define ACPI_WDDT_WDT_RESET (1<<12)
+#define ACPI_WDDT_POWER_FAIL (1<<13)
+#define ACPI_WDDT_UNKNOWN_RESET (1<<14)
+
+/* Flags for Capability field above */
+
+#define ACPI_WDDT_AUTO_RESET (1)
+#define ACPI_WDDT_ALERT_SUPPORT (1<<1)
+
+/*******************************************************************************
+ *
* WDRT - Watchdog Resource Table
* Version 1
*