ACPI, cpuidle: Clarify C-state description in sysfs
[linux-2.6.git] / include / acpi / processor.h
index cdc8004..06480bc 100644 (file)
 #define DOMAIN_COORD_TYPE_SW_ANY       0xfd
 #define DOMAIN_COORD_TYPE_HW_ALL       0xfe
 
-#define ACPI_CSTATE_SYSTEMIO   (0)
-#define ACPI_CSTATE_FFH                (1)
-#define ACPI_CSTATE_HALT       (2)
+#define ACPI_CSTATE_SYSTEMIO   0
+#define ACPI_CSTATE_FFH                1
+#define ACPI_CSTATE_HALT       2
+
+#define ACPI_CX_DESC_LEN       32
 
 /* Power Management */
 
@@ -74,6 +76,7 @@ struct acpi_processor_cx {
        u64 time;
        struct acpi_processor_cx_policy promotion;
        struct acpi_processor_cx_policy demotion;
+       char desc[ACPI_CX_DESC_LEN];
 };
 
 struct acpi_processor_power {