Commit 14012d2f authored by Erik Kaneda's avatar Erik Kaneda Committed by Rafael J. Wysocki
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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: default avatarErik Kaneda <erik.kaneda@intel.com>
Signed-off-by: default avatarBob Moore <robert.moore@intel.com>
Signed-off-by: default avatarRafael J. Wysocki <rafael.j.wysocki@intel.com>
parent 2dab2b68

include/acpi/actbl2.h

+41 −0
Original line number Diff line number Diff line
@@ -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 {