1 files changed, 35 insertions, 0 deletions
diff --git a/include/linux/acpi.h b/include/linux/acpi.h
index a6989e517549..6586cbd0d4af 100644
--- a/include/linux/acpi.h
+++ b/include/linux/acpi.h
@@ -79,6 +79,7 @@ typedef int (*acpi_table_handler) (struct acpi_table_header *table);
 typedef int (*acpi_table_entry_handler) (struct acpi_subtable_header *header, const unsigned long end);
 
 char * __acpi_map_table (unsigned long phys_addr, unsigned long size);
+void __acpi_unmap_table(char *map, unsigned long size);
 int early_acpi_boot_init(void);
 int acpi_boot_init (void);
 int acpi_boot_table_init (void);
@@ -257,6 +258,40 @@ void __init acpi_no_s4_hw_signature(void);
 void __init acpi_old_suspend_ordering(void);
 void __init acpi_s4_no_nvs(void);
 #endif /* CONFIG_PM_SLEEP */
+
+#define OSC_QUERY_TYPE			0
+#define OSC_SUPPORT_TYPE 		1
+#define OSC_CONTROL_TYPE		2
+#define OSC_SUPPORT_MASKS		0x1f
+
+/* _OSC DW0 Definition */
+#define OSC_QUERY_ENABLE		1
+#define OSC_REQUEST_ERROR		2
+#define OSC_INVALID_UUID_ERROR		4
+#define OSC_INVALID_REVISION_ERROR	8
+#define OSC_CAPABILITIES_MASK_ERROR	16
+
+/* _OSC DW1 Definition (OS Support Fields) */
+#define OSC_EXT_PCI_CONFIG_SUPPORT		1
+#define OSC_ACTIVE_STATE_PWR_SUPPORT 		2
+#define OSC_CLOCK_PWR_CAPABILITY_SUPPORT	4
+#define OSC_PCI_SEGMENT_GROUPS_SUPPORT		8
+#define OSC_MSI_SUPPORT				16
+
+/* _OSC DW1 Definition (OS Control Fields) */
+#define OSC_PCI_EXPRESS_NATIVE_HP_CONTROL	1
+#define OSC_SHPC_NATIVE_HP_CONTROL 		2
+#define OSC_PCI_EXPRESS_PME_CONTROL		4
+#define OSC_PCI_EXPRESS_AER_CONTROL		8
+#define OSC_PCI_EXPRESS_CAP_STRUCTURE_CONTROL	16
+
+#define OSC_CONTROL_MASKS 	(OSC_PCI_EXPRESS_NATIVE_HP_CONTROL | 	\
+				OSC_SHPC_NATIVE_HP_CONTROL | 		\
+				OSC_PCI_EXPRESS_PME_CONTROL |		\
+				OSC_PCI_EXPRESS_AER_CONTROL |		\
+				OSC_PCI_EXPRESS_CAP_STRUCTURE_CONTROL)
+
+extern acpi_status acpi_pci_osc_control_set(acpi_handle handle, u32 flags);
 #else	/* CONFIG_ACPI */
 
 static inline int early_acpi_boot_init(void)