Merge branch 'acpica'

* acpica: (22 commits)
  ACPICA: Update version to 20210331
  ACPICA: IORT: Updates for revision E.b
  ACPICA: acpisrc: Add missing conversion for VIOT support
  ACPICA: iASL: Decode subtable type field for VIOT
  ACPICA: iASL: Add support for CEDT table
  ACPICA: ACPI 6.4: add support for PHAT table
  ACPICA: ACPI 6.4: add CSI2Bus resource template
  ACPICA: ACPI 6.4: PMTT: add new fields/structures
  ACPICA: CXL 2.0: CEDT: Add new CEDT table
  ACPICA: iASL: Add definitions for the VIOT table
  ACPICA: ACPI 6.4: add SDEV secure access components
  ACPICA: ACPI 6.4: Add new flags in SRAT
  ACPICA: ACPI 6.4: HMAT: add new fields/flags
  ACPICA: ACPI 6.4: NFIT: add Location Cookie field
  ACPICA: Tree-wide: fix various typos and spelling mistakes
  ACPICA: ACPI 6.4: PPTT: add new version of subtable type 1
  ACPICA: ACPI 6.4: PCCT: add support for subtable type 5
  ACPICA: ACPI 6.4: MADT: add Multiprocessor Wakeup Structure
  ACPICA: ACPI 6.4: add CXL ACPI device ID and _CBR object
  ACPICA: ACPI 6.4: add USB4 capabilities UUID
  ...

8 files changed, 345 insertions, 35 deletions

diff --git a/include/acpi/acoutput.h b/include/acpi/acoutput.h
index 1538a6853822..1b4c45815695 100644
--- a/include/acpi/acoutput.h
+++ b/include/acpi/acoutput.h
@@ -362,7 +362,7 @@
  *
  * A less-safe version of the macros is provided for optional use if the
  * compiler uses excessive CPU stack (for example, this may happen in the
- * debug case if code optimzation is disabled.)
+ * debug case if code optimization is disabled.)
  */
 
 /* Exit trace helper macro */
diff --git a/include/acpi/acpixf.h b/include/acpi/acpixf.h
index 370293ee8399..f8d44b06f3e3 100644
--- a/include/acpi/acpixf.h
+++ b/include/acpi/acpixf.h
@@ -12,7 +12,7 @@
 
 /* Current ACPICA subsystem version in YYYYMMDD format */
 
-#define ACPI_CA_VERSION                 0x20210105
+#define ACPI_CA_VERSION                 0x20210331
 
 #include <acpi/acconfig.h>
 #include <acpi/actypes.h>
diff --git a/include/acpi/acrestyp.h b/include/acpi/acrestyp.h
index 9bccac9becd7..8e2319bbd0a2 100644
--- a/include/acpi/acrestyp.h
+++ b/include/acpi/acrestyp.h
@@ -381,7 +381,7 @@ struct acpi_resource_gpio {
 #define ACPI_IO_RESTRICT_OUTPUT                 2
 #define ACPI_IO_RESTRICT_NONE_PRESERVE          3
 
-/* Common structure for I2C, SPI, and UART serial descriptors */
+/* Common structure for I2C, SPI, UART, CSI2 serial descriptors */
 
 #define ACPI_RESOURCE_SERIAL_COMMON \
 	u8                                      revision_id; \
@@ -403,6 +403,7 @@ ACPI_RESOURCE_SERIAL_COMMON};
 #define ACPI_RESOURCE_SERIAL_TYPE_I2C           1
 #define ACPI_RESOURCE_SERIAL_TYPE_SPI           2
 #define ACPI_RESOURCE_SERIAL_TYPE_UART          3
+#define ACPI_RESOURCE_SERIAL_TYPE_CSI2          4
 
 /* Values for slave_mode field above */
 
@@ -505,6 +506,11 @@ struct acpi_resource_uart_serialbus {
 #define ACPI_UART_CLEAR_TO_SEND                 (1<<6)
 #define ACPI_UART_REQUEST_TO_SEND               (1<<7)
 
+struct acpi_resource_csi2_serialbus {
+	ACPI_RESOURCE_SERIAL_COMMON u8 local_port_instance;
+	u8 phy_type;
+};
+
 struct acpi_resource_pin_function {
 	u8 revision_id;
 	u8 pin_config;
@@ -634,6 +640,7 @@ union acpi_resource_data {
 	struct acpi_resource_i2c_serialbus i2c_serial_bus;
 	struct acpi_resource_spi_serialbus spi_serial_bus;
 	struct acpi_resource_uart_serialbus uart_serial_bus;
+	struct acpi_resource_csi2_serialbus csi2_serial_bus;
 	struct acpi_resource_common_serialbus common_serial_bus;
 	struct acpi_resource_pin_function pin_function;
 	struct acpi_resource_pin_config pin_config;
diff --git a/include/acpi/actbl1.h b/include/acpi/actbl1.h
index af0a8c3b87b7..ce59903c2695 100644
--- a/include/acpi/actbl1.h
+++ b/include/acpi/actbl1.h
@@ -28,6 +28,7 @@
 #define ACPI_SIG_BERT           "BERT"	/* Boot Error Record Table */
 #define ACPI_SIG_BGRT           "BGRT"	/* Boot Graphics Resource Table */
 #define ACPI_SIG_BOOT           "BOOT"	/* Simple Boot Flag Table */
+#define ACPI_SIG_CEDT           "CEDT"	/* CXL Early Discovery Table */
 #define ACPI_SIG_CPEP           "CPEP"	/* Corrected Platform Error Polling table */
 #define ACPI_SIG_CSRT           "CSRT"	/* Core System Resource Table */
 #define ACPI_SIG_DBG2           "DBG2"	/* Debug Port table type 2 */
@@ -303,6 +304,49 @@ struct acpi_table_boot {
 
 /*******************************************************************************
  *
+ * CEDT - CXL Early Discovery Table
+ *        Version 1
+ *
+ * Conforms to the "CXL Early Discovery Table" (CXL 2.0)
+ *
+ ******************************************************************************/
+
+struct acpi_table_cedt {
+	struct acpi_table_header header;	/* Common ACPI table header */
+};
+
+/* CEDT subtable header (Performance Record Structure) */
+
+struct acpi_cedt_header {
+	u8 type;
+	u8 reserved;
+	u16 length;
+};
+
+/* Values for Type field above */
+
+enum acpi_cedt_type {
+	ACPI_CEDT_TYPE_CHBS = 0,
+	ACPI_CEDT_TYPE_RESERVED = 1
+};
+
+/*
+ * CEDT subtables
+ */
+
+/* 0: CXL Host Bridge Structure */
+
+struct acpi_cedt_chbs {
+	struct acpi_cedt_header header;
+	u32 uid;
+	u32 cxl_version;
+	u32 reserved;
+	u64 base;
+	u64 length;
+};
+
+/*******************************************************************************
+ *
  * CPEP - Corrected Platform Error Polling table (ACPI 4.0)
  *        Version 1
  *
@@ -1445,7 +1489,8 @@ struct acpi_hmat_locality {
 	struct acpi_hmat_structure header;
 	u8 flags;
 	u8 data_type;
-	u16 reserved1;
+	u8 min_transfer_size;
+	u8 reserved1;
 	u32 number_of_initiator_Pds;
 	u32 number_of_target_Pds;
 	u32 reserved2;
@@ -1454,15 +1499,18 @@ struct acpi_hmat_locality {
 
 /* Masks for Flags field above */
 
-#define ACPI_HMAT_MEMORY_HIERARCHY  (0x0F)
+#define ACPI_HMAT_MEMORY_HIERARCHY  (0x0F)     /* Bits 0-3 */
 
-/* Values for Memory Hierarchy flag */
+/* Values for Memory Hierarchy flags */
 
 #define ACPI_HMAT_MEMORY            0
 #define ACPI_HMAT_LAST_LEVEL_CACHE  1
 #define ACPI_HMAT_1ST_LEVEL_CACHE   2
 #define ACPI_HMAT_2ND_LEVEL_CACHE   3
 #define ACPI_HMAT_3RD_LEVEL_CACHE   4
+#define ACPI_HMAT_MINIMUM_XFER_SIZE 0x10       /* Bit 4: ACPI 6.4 */
+#define ACPI_HMAT_NON_SEQUENTIAL_XFERS 0x20    /* Bit 5: ACPI 6.4 */
+
 
 /* Values for data_type field above */
 
diff --git a/include/acpi/actbl2.h b/include/acpi/actbl2.h
index d6478c430c99..18cafe3ebddc 100644
--- a/include/acpi/actbl2.h
+++ b/include/acpi/actbl2.h
@@ -36,6 +36,7 @@
 #define ACPI_SIG_NFIT           "NFIT"	/* NVDIMM Firmware Interface Table */
 #define ACPI_SIG_PCCT           "PCCT"	/* Platform Communications Channel Table */
 #define ACPI_SIG_PDTT           "PDTT"	/* Platform Debug Trigger Table */
+#define ACPI_SIG_PHAT           "PHAT"	/* Platform Health Assessment Table */
 #define ACPI_SIG_PMTT           "PMTT"	/* Platform Memory Topology Table */
 #define ACPI_SIG_PPTT           "PPTT"	/* Processor Properties Topology Table */
 #define ACPI_SIG_RASF           "RASF"	/* RAS Feature table */
@@ -67,7 +68,7 @@
  * IORT - IO Remapping Table
  *
  * Conforms to "IO Remapping Table System Software on ARM Platforms",
- * Document number: ARM DEN 0049D, March 2018
+ * Document number: ARM DEN 0049E.b, Feb 2021
  *
  ******************************************************************************/
 
@@ -85,7 +86,7 @@ struct acpi_iort_node {
 	u8 type;
 	u16 length;
 	u8 revision;
-	u32 reserved;
+	u32 identifier;
 	u32 mapping_count;
 	u32 mapping_offset;
 	char node_data[1];
@@ -99,7 +100,8 @@ enum acpi_iort_node_type {
 	ACPI_IORT_NODE_PCI_ROOT_COMPLEX = 0x02,
 	ACPI_IORT_NODE_SMMU = 0x03,
 	ACPI_IORT_NODE_SMMU_V3 = 0x04,
-	ACPI_IORT_NODE_PMCG = 0x05
+	ACPI_IORT_NODE_PMCG = 0x05,
+	ACPI_IORT_NODE_RMR = 0x06,
 };
 
 struct acpi_iort_id_mapping {
@@ -166,10 +168,11 @@ struct acpi_iort_root_complex {
 	u8 reserved[3];		/* Reserved, must be zero */
 };
 
-/* Values for ats_attribute field above */
+/* Masks for ats_attribute field above */
 
-#define ACPI_IORT_ATS_SUPPORTED         0x00000001	/* The root complex supports ATS */
-#define ACPI_IORT_ATS_UNSUPPORTED       0x00000000	/* The root complex doesn't support ATS */
+#define ACPI_IORT_ATS_SUPPORTED         (1)	/* The root complex ATS support */
+#define ACPI_IORT_PRI_SUPPORTED         (1<<1)	/* The root complex PRI support */
+#define ACPI_IORT_PASID_FWD_SUPPORTED   (1<<2)	/* The root complex PASID forward support */
 
 struct acpi_iort_smmu {
 	u64 base_address;	/* SMMU base address */
@@ -240,6 +243,18 @@ struct acpi_iort_pmcg {
 	u64 page1_base_address;
 };
 
+struct acpi_iort_rmr {
+	u32 flags;
+	u32 rmr_count;
+	u32 rmr_offset;
+};
+
+struct acpi_iort_rmr_desc {
+	u64 base_address;
+	u64 length;
+	u32 reserved;
+};
+
 /*******************************************************************************
  *
  * IVRS - I/O Virtualization Reporting Structure
@@ -276,6 +291,7 @@ struct acpi_ivrs_header {
 enum acpi_ivrs_type {
 	ACPI_IVRS_TYPE_HARDWARE1 = 0x10,
 	ACPI_IVRS_TYPE_HARDWARE2 = 0x11,
+	ACPI_IVRS_TYPE_HARDWARE3 = 0x40,
 	ACPI_IVRS_TYPE_MEMORY1 = 0x20,
 	ACPI_IVRS_TYPE_MEMORY2 = 0x21,
 	ACPI_IVRS_TYPE_MEMORY3 = 0x22
@@ -364,7 +380,11 @@ enum acpi_ivrs_device_entry_type {
 	ACPI_IVRS_TYPE_ALIAS_START = 67,	/* Uses struct acpi_ivrs_device8a */
 	ACPI_IVRS_TYPE_EXT_SELECT = 70,	/* Uses struct acpi_ivrs_device8b */
 	ACPI_IVRS_TYPE_EXT_START = 71,	/* Uses struct acpi_ivrs_device8b */
-	ACPI_IVRS_TYPE_SPECIAL = 72	/* Uses struct acpi_ivrs_device8c */
+	ACPI_IVRS_TYPE_SPECIAL = 72,	/* Uses struct acpi_ivrs_device8c */
+
+	/* Variable-length device entries */
+
+	ACPI_IVRS_TYPE_HID = 240	/* Uses ACPI_IVRS_DEVICE_HID */
 };
 
 /* Values for Data field above */
@@ -416,6 +436,16 @@ struct acpi_ivrs_device8c {
 #define ACPI_IVHD_IOAPIC            1
 #define ACPI_IVHD_HPET              2
 
+/* Type 240: variable-length device entry */
+
+struct acpi_ivrs_device_hid {
+	struct acpi_ivrs_de_header header;
+	u64 acpi_hid;
+	u64 acpi_cid;
+	u8 uid_type;
+	u8 uid_length;
+};
+
 /* 0x20, 0x21, 0x22: I/O Virtualization Memory Definition Block (IVMD) */
 
 struct acpi_ivrs_memory {
@@ -516,7 +546,8 @@ enum acpi_madt_type {
 	ACPI_MADT_TYPE_GENERIC_MSI_FRAME = 13,
 	ACPI_MADT_TYPE_GENERIC_REDISTRIBUTOR = 14,
 	ACPI_MADT_TYPE_GENERIC_TRANSLATOR = 15,
-	ACPI_MADT_TYPE_RESERVED = 16	/* 16 and greater are reserved */
+	ACPI_MADT_TYPE_MULTIPROC_WAKEUP = 16,
+	ACPI_MADT_TYPE_RESERVED = 17	/* 17 and greater are reserved */
 };
 
 /*
@@ -723,6 +754,15 @@ struct acpi_madt_generic_translator {
 	u32 reserved2;
 };
 
+/* 16: Multiprocessor wakeup (ACPI 6.4) */
+
+struct acpi_madt_multiproc_wakeup {
+	struct acpi_subtable_header header;
+	u16 mailbox_version;
+	u32 reserved;		/* reserved - must be zero */
+	u64 base_address;
+};
+
 /*
  * Common flags fields for MADT subtables
  */
@@ -983,12 +1023,14 @@ struct acpi_nfit_system_address {
 	u64 address;
 	u64 length;
 	u64 memory_mapping;
+	u64 location_cookie;	/* ACPI 6.4 */
 };
 
 /* Flags */
 
 #define ACPI_NFIT_ADD_ONLINE_ONLY       (1)	/* 00: Add/Online Operation Only */
 #define ACPI_NFIT_PROXIMITY_VALID       (1<<1)	/* 01: Proximity Domain Valid */
+#define ACPI_NFIT_LOCATION_COOKIE_VALID (1<<2)	/* 02: SPA location cookie valid (ACPI 6.4) */
 
 /* Range Type GUIDs appear in the include/acuuid.h file */
 
@@ -1184,7 +1226,8 @@ enum acpi_pcct_type {
 	ACPI_PCCT_TYPE_HW_REDUCED_SUBSPACE_TYPE2 = 2,	/* ACPI 6.1 */
 	ACPI_PCCT_TYPE_EXT_PCC_MASTER_SUBSPACE = 3,	/* ACPI 6.2 */
 	ACPI_PCCT_TYPE_EXT_PCC_SLAVE_SUBSPACE = 4,	/* ACPI 6.2 */
-	ACPI_PCCT_TYPE_RESERVED = 5	/* 5 and greater are reserved */
+	ACPI_PCCT_TYPE_HW_REG_COMM_SUBSPACE = 5,	/* ACPI 6.4 */
+	ACPI_PCCT_TYPE_RESERVED = 6	/* 6 and greater are reserved */
 };
 
 /*
@@ -1299,6 +1342,24 @@ struct acpi_pcct_ext_pcc_slave {
 	u64 error_status_mask;
 };
 
+/* 5: HW Registers based Communications Subspace */
+
+struct acpi_pcct_hw_reg {
+	struct acpi_subtable_header header;
+	u16 version;
+	u64 base_address;
+	u64 length;
+	struct acpi_generic_address doorbell_register;
+	u64 doorbell_preserve;
+	u64 doorbell_write;
+	struct acpi_generic_address cmd_complete_register;
+	u64 cmd_complete_mask;
+	struct acpi_generic_address error_status_register;
+	u64 error_status_mask;
+	u32 nominal_latency;
+	u32 min_turnaround_time;
+};
+
 /* Values for doorbell flags above */
 
 #define ACPI_PCCT_INTERRUPT_POLARITY    (1)
@@ -1357,6 +1418,66 @@ struct acpi_pdtt_channel {
 
 /*******************************************************************************
  *
+ * PHAT - Platform Health Assessment Table (ACPI 6.4)
+ *        Version 1
+ *
+ ******************************************************************************/
+
+struct acpi_table_phat {
+	struct acpi_table_header header;	/* Common ACPI table header */
+};
+
+/* Common header for PHAT subtables that follow main table */
+
+struct acpi_phat_header {
+	u16 type;
+	u16 length;
+	u8 revision;
+};
+
+/* Values for Type field above */
+
+#define ACPI_PHAT_TYPE_FW_VERSION_DATA  0
+#define ACPI_PHAT_TYPE_FW_HEALTH_DATA   1
+#define ACPI_PHAT_TYPE_RESERVED         2	/* 0x02-0xFFFF are reserved */
+
+/*
+ * PHAT subtables, correspond to Type in struct acpi_phat_header
+ */
+
+/* 0: Firmware Version Data Record */
+
+struct acpi_phat_version_data {
+	struct acpi_phat_header header;
+	u8 reserved[3];
+	u32 element_count;
+};
+
+struct acpi_phat_version_element {
+	u8 guid[16];
+	u64 version_value;
+	u32 producer_id;
+};
+
+/* 1: Firmware Health Data Record */
+
+struct acpi_phat_health_data {
+	struct acpi_phat_header header;
+	u8 reserved[2];
+	u8 health;
+	u8 device_guid[16];
+	u32 device_specific_offset;	/* Zero if no Device-specific data */
+};
+
+/* Values for Health field above */
+
+#define ACPI_PHAT_ERRORS_FOUND          0
+#define ACPI_PHAT_NO_ERRORS             1
+#define ACPI_PHAT_UNKNOWN_ERRORS        2
+#define ACPI_PHAT_ADVISORY              3
+
+/*******************************************************************************
+ *
  * PMTT - Platform Memory Topology Table (ACPI 5.0)
  *        Version 1
  *
@@ -1364,7 +1485,11 @@ struct acpi_pdtt_channel {
 
 struct acpi_table_pmtt {
 	struct acpi_table_header header;	/* Common ACPI table header */
-	u32 reserved;
+	u32 memory_device_count;
+	/*
+	 * Immediately followed by:
+	 * MEMORY_DEVICE memory_device_struct[memory_device_count];
+	 */
 };
 
 /* Common header for PMTT subtables that follow main table */
@@ -1375,6 +1500,12 @@ struct acpi_pmtt_header {
 	u16 length;
 	u16 flags;
 	u16 reserved2;
+	u32 memory_device_count;	/* Zero means no memory device structs follow */
+	/*
+	 * Immediately followed by:
+	 * u8 type_specific_data[]
+	 * MEMORY_DEVICE memory_device_struct[memory_device_count];
+	 */
 };
 
 /* Values for Type field above */
@@ -1382,7 +1513,8 @@ struct acpi_pmtt_header {
 #define ACPI_PMTT_TYPE_SOCKET           0
 #define ACPI_PMTT_TYPE_CONTROLLER       1
 #define ACPI_PMTT_TYPE_DIMM             2
-#define ACPI_PMTT_TYPE_RESERVED         3	/* 0x03-0xFF are reserved */
+#define ACPI_PMTT_TYPE_RESERVED         3	/* 0x03-0xFE are reserved */
+#define ACPI_PMTT_TYPE_VENDOR           0xFF
 
 /* Values for Flags field above */
 
@@ -1401,37 +1533,43 @@ struct acpi_pmtt_socket {
 	u16 socket_id;
 	u16 reserved;
 };
+	/*
+	 * Immediately followed by:
+	 * MEMORY_DEVICE memory_device_struct[memory_device_count];
+	 */
 
 /* 1: Memory Controller subtable */
 
 struct acpi_pmtt_controller {
 	struct acpi_pmtt_header header;
-	u32 read_latency;
-	u32 write_latency;
-	u32 read_bandwidth;
-	u32 write_bandwidth;
-	u16 access_width;
-	u16 alignment;
+	u16 controller_id;
 	u16 reserved;
-	u16 domain_count;
-};
-
-/* 1a: Proximity Domain substructure */
-
-struct acpi_pmtt_domain {
-	u32 proximity_domain;
 };
+	/*
+	 * Immediately followed by:
+	 * MEMORY_DEVICE memory_device_struct[memory_device_count];
+	 */
 
 /* 2: Physical Component Identifier (DIMM) */
 
 struct acpi_pmtt_physical_component {
 	struct acpi_pmtt_header header;
-	u16 component_id;
-	u16 reserved;
-	u32 memory_size;
 	u32 bios_handle;
 };
 
+/* 0xFF: Vendor Specific Data */
+
+struct acpi_pmtt_vendor_specific {
+	struct acpi_pmtt_header header;
+	u8 type_uuid[16];
+	u8 specific[];
+	/*
+	 * Immediately followed by:
+	 * u8 vendor_specific_data[];
+	 * MEMORY_DEVICE memory_device_struct[memory_device_count];
+	 */
+};
+
 /*******************************************************************************
  *
  * PPTT - Processor Properties Topology Table (ACPI 6.2)
@@ -1485,6 +1623,12 @@ struct acpi_pptt_cache {
 	u16 line_size;
 };
 
+/* 1: Cache Type Structure for PPTT version 3 */
+
+struct acpi_pptt_cache_v1 {
+	u32 cache_id;
+};
+
 /* Flags */
 
 #define ACPI_PPTT_SIZE_PROPERTY_VALID       (1)	/* Physical property valid */
@@ -1494,6 +1638,7 @@ struct acpi_pptt_cache {
 #define ACPI_PPTT_CACHE_TYPE_VALID          (1<<4)	/* Cache type valid */
 #define ACPI_PPTT_WRITE_POLICY_VALID        (1<<5)	/* Write policy valid */
 #define ACPI_PPTT_LINE_SIZE_VALID           (1<<6)	/* Line size valid */
+#define ACPI_PPTT_CACHE_ID_VALID            (1<<7)	/* Cache ID valid */
 
 /* Masks for Attributes */
 
@@ -1679,6 +1824,7 @@ 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
@@ -1694,6 +1840,46 @@ 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 {
diff --git a/include/acpi/actbl3.h b/include/acpi/actbl3.h
index df5f4b27f3aa..86903ac5bbc5 100644
--- a/include/acpi/actbl3.h
+++ b/include/acpi/actbl3.h
@@ -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 */
@@ -285,7 +286,8 @@ struct acpi_srat_generic_affinity {
 
 /* Flags for struct acpi_srat_generic_affinity */
 
-#define ACPI_SRAT_GENERIC_AFFINITY_ENABLED (1)	/* 00: Use affinity structure */
+#define ACPI_SRAT_GENERIC_AFFINITY_ENABLED     (1)	/* 00: Use affinity structure */
+#define ACPI_SRAT_ARCHITECTURAL_TRANSACTIONS   (1<<1)	/* ACPI 6.4 */
 
 /*******************************************************************************
  *
@@ -485,6 +487,72 @@ struct acpi_table_uefi {
 
 /*******************************************************************************
  *
+ * 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,
+	ACPI_VIOT_RESERVED = 0x05
+};
+
+/* VIOT subtables */
+
+struct acpi_viot_pci_range {
+	struct 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 {
+	struct acpi_viot_header header;
+	u32 endpoint;
+	u64 base_address;
+	u16 output_node;
+	u8 reserved[6];
+};
+
+struct acpi_viot_virtio_iommu_pci {
+	struct acpi_viot_header header;
+	u16 segment;
+	u16 bdf;
+	u8 reserved[8];
+};
+
+struct acpi_viot_virtio_iommu_mmio {
+	struct acpi_viot_header header;
+	u8 reserved[4];
+	u64 base_address;
+};
+
+/*******************************************************************************
+ *
  * WAET - Windows ACPI Emulated devices Table
  *        Version 1
  *
diff --git a/include/acpi/acuuid.h b/include/acpi/acuuid.h
index a5c2ca019a12..bc24388ce94e 100644
--- a/include/acpi/acuuid.h
+++ b/include/acpi/acuuid.h
@@ -68,5 +68,6 @@
 #define UUID_DEVICE_GRAPHS              "ab02a46b-74c7-45a2-bd68-f7d344ef2153"
 #define UUID_HIERARCHICAL_DATA_EXTENSION "dbb8e3e6-5886-4ba6-8795-1319f52a966b"
 #define UUID_CORESIGHT_GRAPH            "3ecbc8b6-1d0e-4fb3-8107-e627f805c6cd"
+#define UUID_USB4_CAPABILITIES          "23a0d13a-26ab-486c-9c5f-0ffa525a575a"
 
 #endif				/* __ACUUID_H__ */
diff --git a/include/acpi/platform/acgcc.h b/include/acpi/platform/acgcc.h
index 0cd4f61d4248..f6656be81760 100644
--- a/include/acpi/platform/acgcc.h
+++ b/include/acpi/platform/acgcc.h
@@ -61,7 +61,7 @@ typedef __builtin_va_list va_list;
 #endif
 
 /*
- * Explictly mark intentional explicit fallthrough to silence
+ * Explicitly mark intentional explicit fallthrough to silence
  * -Wimplicit-fallthrough in GCC 7.1+.
  */