ACPI: Add a generic API for _OSC -v2

[firefly-linux-kernel-4.4.55.git] / include / linux / acpi.h

diff --git a/include/linux/acpi.h b/include/linux/acpi.h
index dfcd920c3e5495cc9aeb0296714bb192bf80105f..3247e09db20d346bcd7799ee27088184065c9f4c 100644 (file)
--- a/include/linux/acpi.h
+++ b/include/linux/acpi.h
@@ -253,6 +253,13 @@ void __init acpi_old_suspend_ordering(void);
 void __init acpi_s4_no_nvs(void);
 #endif /* CONFIG_PM_SLEEP */
 
+struct acpi_osc_context {
+       char *uuid_str; /* uuid string */
+       int rev;
+       struct acpi_buffer cap; /* arg2/arg3 */
+       struct acpi_buffer ret; /* free by caller if success */
+};
+
 #define OSC_QUERY_TYPE                 0
 #define OSC_SUPPORT_TYPE               1
 #define OSC_CONTROL_TYPE               2
@@ -265,6 +272,8 @@ void __init acpi_s4_no_nvs(void);
 #define OSC_INVALID_REVISION_ERROR     8
 #define OSC_CAPABILITIES_MASK_ERROR    16
 
+acpi_status acpi_run_osc(acpi_handle handle, struct acpi_osc_context *context);
+
 /* _OSC DW1 Definition (OS Support Fields) */
 #define OSC_EXT_PCI_CONFIG_SUPPORT             1
 #define OSC_ACTIVE_STATE_PWR_SUPPORT           2