ACPICA: Tables: Add HMAT table definitions (fa418ddf) · Commits · 戴 / test

include/acpi/actbl1.h

+117 −0

Original line number	Diff line number	Diff line
		@@ -65,6 +65,7 @@
		#define ACPI_SIG_ECDT "ECDT" /* Embedded Controller Boot Resources Table */
		#define ACPI_SIG_EINJ "EINJ" /* Error Injection table */
		#define ACPI_SIG_ERST "ERST" /* Error Record Serialization Table */
		#define ACPI_SIG_HMAT "HMAT" /* Heterogeneous Memory Attributes Table */
		#define ACPI_SIG_HEST "HEST" /* Hardware Error Source Table */
		#define ACPI_SIG_MADT "APIC" /* Multiple APIC Description Table */
		#define ACPI_SIG_MSCT "MSCT" /* Maximum System Characteristics Table */
		@@ -686,6 +687,122 @@ struct acpi_hest_generic_data_v300 {
		#define ACPI_HEST_GEN_VALID_FRU_STRING (1<<1)
		#define ACPI_HEST_GEN_VALID_TIMESTAMP (1<<2)

		/*******************************************************************************
		*
		* HMAT - Heterogeneous Memory Attributes Table (ACPI 6.2)
		* Version 1
		*
		******************************************************************************/

		struct acpi_table_hmat {
		struct acpi_table_header header; /* Common ACPI table header */
		u32 reserved;
		};

		/* Values for HMAT structure types */

		enum acpi_hmat_type {
		ACPI_HMAT_TYPE_ADDRESS_RANGE = 0, /* Memory subystem address range */
		ACPI_HMAT_TYPE_LOCALITY = 1, /* System locality latency and bandwidth information */
		ACPI_HMAT_TYPE_CACHE = 2, /* Memory side cache information */
		ACPI_HMAT_TYPE_RESERVED = 3 /* 3 and greater are reserved */
		};

		struct acpi_hmat_structure {
		u16 type;
		u16 reserved;
		u32 length;
		};

		/*
		* HMAT Structures, correspond to Type in struct acpi_hmat_structure
		*/

		/* 0: Memory subystem address range */

		struct acpi_hmat_address_range {
		struct acpi_hmat_structure header;
		u16 flags;
		u16 reserved1;
		u32 processor_PD; /* Processor proximity domain */
		u32 memory_PD; /* Memory proximity domain */
		u32 reserved2;
		u64 physical_address_base; /* Physical address range base */
		u64 physical_address_length; /* Physical address range length */
		};

		/* Masks for Flags field above */

		#define ACPI_HMAT_PROCESSOR_PD_VALID (1) /* 1: processor_PD field is valid */
		#define ACPI_HMAT_MEMORY_PD_VALID (1<<1) /* 1: memory_PD field is valid */
		#define ACPI_HMAT_RESERVATION_HINT (1<<2) /* 1: Reservation hint */

		/* 1: System locality latency and bandwidth information */

		struct acpi_hmat_locality {
		struct acpi_hmat_structure header;
		u8 flags;
		u8 data_type;
		u16 reserved1;
		u32 number_of_initiator_Pds;
		u32 number_of_target_Pds;
		u32 reserved2;
		u64 entry_base_unit;
		};

		/* Masks for Flags field above */

		#define ACPI_HMAT_MEMORY_HIERARCHY (0x0F)

		/* Values for Memory Hierarchy flag */

		#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

		/* Values for data_type field above */

		#define ACPI_HMAT_ACCESS_LATENCY 0
		#define ACPI_HMAT_READ_LATENCY 1
		#define ACPI_HMAT_WRITE_LATENCY 2
		#define ACPI_HMAT_ACCESS_BANDWIDTH 3
		#define ACPI_HMAT_READ_BANDWIDTH 4
		#define ACPI_HMAT_WRITE_BANDWIDTH 5

		/* 2: Memory side cache information */

		struct acpi_hmat_cache {
		struct acpi_hmat_structure header;
		u32 memory_PD;
		u32 reserved1;
		u64 cache_size;
		u32 cache_attributes;
		u16 reserved2;
		u16 number_of_SMBIOShandles;
		};

		/* Masks for cache_attributes field above */

		#define ACPI_HMAT_TOTAL_CACHE_LEVEL (0x0000000F)
		#define ACPI_HMAT_CACHE_LEVEL (0x000000F0)
		#define ACPI_HMAT_CACHE_ASSOCIATIVITY (0x00000F00)
		#define ACPI_HMAT_WRITE_POLICY (0x0000F000)
		#define ACPI_HMAT_CACHE_LINE_SIZE (0xFFFF0000)

		/* Values for cache associativity flag */

		#define ACPI_HMAT_CA_NONE (0)
		#define ACPI_HMAT_CA_DIRECT_MAPPED (1)
		#define ACPI_HMAT_CA_COMPLEX_CACHE_INDEXING (2)

		/* Values for write policy flag */

		#define ACPI_HMAT_CP_NONE (0)
		#define ACPI_HMAT_CP_WB (1)
		#define ACPI_HMAT_CP_WT (2)

		/*******************************************************************************
		*
		* MADT - Multiple APIC Description Table

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