ACPICA: ACPI 6.4: add SDEV secure access components

ACPICA commit 44ca5f4f9be24bf64524cdb1de46322509319056

This entails adding an optional subtable indicating secure access
components as well as two different types of secure access components
(ID-based or Memory). For definitons and uses, consult the ACPI
specification.

Link: https://github.com/acpica/acpica/commit/44ca5f4f
Signed-off-by: Erik Kaneda <erik.kaneda@intel.com>
Signed-off-by: Bob Moore <robert.moore@intel.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>

diff --git a/include/acpi/actbl2.h b/include/acpi/actbl2.h
index 31ed30208c8ab851658633506091b9bb44728aa7..2ae925fb77283af10b5716b8eec269085fd572f0 100644 (file)
--- a/include/acpi/actbl2.h
+++ b/include/acpi/actbl2.h
@@ -1732,6 +1732,7 @@ enum acpi_sdev_type {
 /* Values for flags above */
 
 #define ACPI_SDEV_HANDOFF_TO_UNSECURE_OS    (1)
+#define ACPI_SDEV_SECURE_COMPONENTS_PRESENT (1<<1)
 
 /*
  * SDEV subtables
@@ -1747,6 +1748,46 @@ struct acpi_sdev_namespace {
        u16 vendor_data_length;
 };
 
+struct acpi_sdev_secure_component {
+       u16 secure_component_offset;
+       u16 secure_component_length;
+};
+
+/*
+ * SDEV sub-subtables ("Components") for above
+ */
+struct acpi_sdev_component {
+       struct acpi_sdev_header header;
+};
+
+/* Values for sub-subtable type above */
+
+enum acpi_sac_type {
+       ACPI_SDEV_TYPE_ID_COMPONENT = 0,
+       ACPI_SDEV_TYPE_MEM_COMPONENT = 1
+};
+
+struct acpi_sdev_id_component {
+       struct acpi_sdev_header header;
+       u16 hardware_id_offset;
+       u16 hardware_id_length;
+       u16 subsystem_id_offset;
+       u16 subsystem_id_length;
+       u16 hardware_revision;
+       u8 hardware_rev_present;
+       u8 class_code_present;
+       u8 pci_base_class;
+       u8 pci_sub_class;
+       u8 pci_programming_xface;
+};
+
+struct acpi_sdev_mem_component {
+       struct acpi_sdev_header header;
+       u32 reserved;
+       u64 memory_base_address;
+       u64 memory_length;
+};
+
 /* 1: PCIe Endpoint Device Based Device Structure */
 
 struct acpi_sdev_pcie {