Commit 58225203 authored by Jean-Philippe Brucker's avatar Jean-Philippe Brucker Committed by Rafael J. Wysocki
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ACPICA: iASL: Add definitions for the VIOT table 

ACPICA commit fc4e33319c1ee08f20f5c44853dd8426643f6dfd

Add definitions for the VIOT table and its subtables.

Link: https://github.com/acpica/acpica/commit/fc4e3331


Signed-off-by: default avatarJean-Philippe Brucker <jean-philippe@linaro.org>
Signed-off-by: default avatarBob Moore <robert.moore@intel.com>
Signed-off-by: default avatarErik Kaneda <erik.kaneda@intel.com>
Signed-off-by: default avatarRafael J. Wysocki <rafael.j.wysocki@intel.com>
parent 14012d2f

include/acpi/actbl3.h

+66 −0
Original line number Diff line number Diff line
@@ -33,6 +33,7 @@ 
#define ACPI_SIG_TCPA           "TCPA"	/* Trusted Computing Platform Alliance table */

#define ACPI_SIG_TPM2           "TPM2"	/* Trusted Platform Module 2.0 H/W interface table */

#define ACPI_SIG_UEFI           "UEFI"	/* Uefi Boot Optimization Table */

#define ACPI_SIG_VIOT           "VIOT"	/* Virtual I/O Translation Table */

#define ACPI_SIG_WAET           "WAET"	/* Windows ACPI Emulated devices Table */

#define ACPI_SIG_WDAT           "WDAT"	/* Watchdog Action Table */

#define ACPI_SIG_WDDT           "WDDT"	/* Watchdog Timer Description Table */
@@ -484,6 +485,71 @@ struct acpi_table_uefi { 
	u16 data_offset;	/* Offset of remaining data in table */

};



/*******************************************************************************

 *

 * VIOT - Virtual I/O Translation Table

 *        Version 1

 *

 ******************************************************************************/



struct acpi_table_viot {

	struct acpi_table_header header;	/* Common ACPI table header */

	u16 node_count;

	u16 node_offset;

	u8 reserved[8];

};



/* VIOT subtable header */



struct acpi_viot_header {

	u8 type;

	u8 reserved;

	u16 length;

};



/* Values for Type field above */



enum acpi_viot_node_type {

	ACPI_VIOT_NODE_PCI_RANGE = 0x01,

	ACPI_VIOT_NODE_MMIO = 0x02,

	ACPI_VIOT_NODE_VIRTIO_IOMMU_PCI = 0x03,

	ACPI_VIOT_NODE_VIRTIO_IOMMU_MMIO = 0x04,

};



/* VIOT subtables */



struct acpi_viot_pci_range {

	ACPI_VIOT_HEADER header;

	u32 endpoint_start;

	u16 segment_start;

	u16 segment_end;

	u16 bdf_start;

	u16 bdf_end;

	u16 output_node;

	u8 reserved[6];

};



struct acpi_viot_mmio {

	ACPI_VIOT_HEADER header;

	u32 endpoint;

	u64 base_address;

	u16 output_node;

	u8 reserved[6];

};



struct acpi_viot_virtio_iommu_pci {

	ACPI_VIOT_HEADER header;

	u16 segment;

	u16 bdf;

	u8 reserved[8];

};



struct acpi_viot_virtio_iommu_mmio {

	ACPI_VIOT_HEADER header;

	u8 reserved[4];

	u64 base_address;

};



/*******************************************************************************

 *

 * WAET - Windows ACPI Emulated devices Table