summaryrefslogtreecommitdiffstats
path: root/include/acpi/actbl2.h
diff options
context:
space:
mode:
Diffstat (limited to 'include/acpi/actbl2.h')
-rw-r--r--include/acpi/actbl2.h48
1 files changed, 48 insertions, 0 deletions
diff --git a/include/acpi/actbl2.h b/include/acpi/actbl2.h
index 95f4d0ef4819..d4136b28011f 100644
--- a/include/acpi/actbl2.h
+++ b/include/acpi/actbl2.h
@@ -77,8 +77,18 @@
#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
+/*
+ * These tables have been seen in the field, but no definition has been found
+ */
+#define ACPI_SIG_ATKG "ATKG"
+#define ACPI_SIG_GSCI "GSCI" /* GMCH SCI table */
+#define ACPI_SIG_IEIT "IEIT"
+#endif
+
/*
* All tables must be byte-packed to match the ACPI specification, since
* the tables are provided by the system BIOS.
@@ -909,6 +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
*