diff options
| -rw-r--r-- | include/acpi/actbl2.h | 190 |
1 files changed, 190 insertions, 0 deletions
diff --git a/include/acpi/actbl2.h b/include/acpi/actbl2.h index 2c07b097ef9f..ccbf543bceeb 100644 --- a/include/acpi/actbl2.h +++ b/include/acpi/actbl2.h @@ -29,6 +29,7 @@ #define ACPI_SIG_BDAT "BDAT" /* BIOS Data ACPI Table */ #define ACPI_SIG_CCEL "CCEL" /* CC Event Log Table */ #define ACPI_SIG_CDAT "CDAT" /* Coherent Device Attribute Table */ +#define ACPI_SIG_ERDT "ERDT" /* Enhanced Resource Director Technology */ #define ACPI_SIG_IORT "IORT" /* IO Remapping Table */ #define ACPI_SIG_IVRS "IVRS" /* I/O Virtualization Reporting Structure */ #define ACPI_SIG_LPIT "LPIT" /* Low Power Idle Table */ @@ -452,6 +453,195 @@ struct acpi_table_ccel { /******************************************************************************* * + * ERDT - Enhanced Resource Director Technology (ERDT) table + * + * Conforms to "Intel Resource Director Technology Architecture Specification" + * Version 1.1, January 2025 + * + ******************************************************************************/ + +struct acpi_table_erdt { + struct acpi_table_header header; /* Common ACPI table header */ + u32 max_clos; /* Maximum classes of service */ + u8 reserved[24]; + u8 erdt_substructures[]; +}; + +/* Values for subtable type in struct acpi_subtbl_hdr_16 */ + +enum acpi_erdt_type { + ACPI_ERDT_TYPE_RMDD = 0, + ACPI_ERDT_TYPE_CACD = 1, + ACPI_ERDT_TYPE_DACD = 2, + ACPI_ERDT_TYPE_CMRC = 3, + ACPI_ERDT_TYPE_MMRC = 4, + ACPI_ERDT_TYPE_MARC = 5, + ACPI_ERDT_TYPE_CARC = 6, + ACPI_ERDT_TYPE_CMRD = 7, + ACPI_ERDT_TYPE_IBRD = 8, + ACPI_ERDT_TYPE_IBAD = 9, + ACPI_ERDT_TYPE_CARD = 10, + ACPI_ERDT_TYPE_RESERVED = 11 /* 11 and above are reserved */ +}; + +/* + * ERDT Subtables, correspond to Type in struct acpi_subtbl_hdr_16 + */ + +/* 0: RMDD - Resource Management Domain Description */ + +struct acpi_erdt_rmdd { + struct acpi_subtbl_hdr_16 header; + u16 flags; + u16 IO_l3_slices; /* Number of slices in IO cache */ + u8 IO_l3_sets; /* Number of sets in IO cache */ + u8 IO_l3_ways; /* Number of ways in IO cache */ + u64 reserved; + u16 domain_id; /* Unique domain ID */ + u32 max_rmid; /* Maximun RMID supported */ + u64 creg_base; /* Control Register Base Address */ + u16 creg_size; /* Control Register Size (4K pages) */ + u8 rmdd_structs[]; +}; + +/* 1: CACD - CPU Agent Collection Description */ + +struct acpi_erdt_cacd { + struct acpi_subtbl_hdr_16 header; + u16 reserved; + u16 domain_id; /* Unique domain ID */ + u32 X2APICIDS[]; +}; + +/* 2: DACD - Device Agent Collection Description */ + +struct acpi_erdt_dacd { + struct acpi_subtbl_hdr_16 header; + u16 reserved; + u16 domain_id; /* Unique domain ID */ + u8 dev_paths[]; +}; + +struct acpi_erdt_dacd_dev_paths { + struct acpi_subtable_header header; + u16 segment; + u8 reserved; + u8 start_bus; + u8 path[]; +}; + +/* 3: CMRC - Cache Monitoring Registers for CPU Agents */ + +struct acpi_erdt_cmrc { + struct acpi_subtbl_hdr_16 header; + u32 reserved1; + u32 flags; + u8 index_fn; + u8 reserved2[11]; + u64 cmt_reg_base; + u32 cmt_reg_size; + u16 clump_size; + u16 clump_stride; + u64 up_scale; +}; + +/* 4: MMRC - Memory-bandwidth Monitoring Registers for CPU Agents */ + +struct acpi_erdt_mmrc { + struct acpi_subtbl_hdr_16 header; + u32 reserved1; + u32 flags; + u8 index_fn; + u8 reserved2[11]; + u64 reg_base; + u32 reg_size; + u8 counter_width; + u64 up_scale; + u8 reserved3[7]; + u32 corr_factor_list_len; + u32 corr_factor_list[]; +}; + +/* 5: MARC - Memory-bandwidth Allocation Registers for CPU Agents */ + +struct acpi_erdt_marc { + struct acpi_subtbl_hdr_16 header; + u16 reserved1; + u16 flags; + u8 index_fn; + u8 reserved2[7]; + u64 reg_base_opt; + u64 reg_base_min; + u64 reg_base_max; + u32 mba_reg_size; + u32 mba_ctrl_range; +}; + +/* 6: CARC - Cache Allocation Registers for CPU Agents */ + +struct acpi_erdt_carc { + struct acpi_subtbl_hdr_16 header; +}; + +/* 7: CMRD - Cache Monitoring Registers for Device Agents */ + +struct acpi_erdt_cmrd { + struct acpi_subtbl_hdr_16 header; + u32 reserved1; + u32 flags; + u8 index_fn; + u8 reserved2[11]; + u64 reg_base; + u32 reg_size; + u16 cmt_reg_off; + u16 cmt_clump_size; + u64 up_scale; +}; + +/* 8: IBRD - Cache Monitoring Registers for Device Agents */ + +struct acpi_erdt_ibrd { + struct acpi_subtbl_hdr_16 header; + u32 reserved1; + u32 flags; + u8 index_fn; + u8 reserved2[11]; + u64 reg_base; + u32 reg_size; + u16 total_bw_offset; + u16 Iomiss_bw_offset; + u16 total_bw_clump; + u16 Iomiss_bw_clump; + u8 reserved3[7]; + u8 counter_width; + u64 up_scale; + u32 corr_factor_list_len; + u32 corr_factor_list[]; +}; + +/* 9: IBAD - IO bandwidth Allocation Registers for device agents */ + +struct acpi_erdt_ibad { + struct acpi_subtbl_hdr_16 header; +}; + +/* 10: CARD - IO bandwidth Allocation Registers for Device Agents */ + +struct acpi_erdt_card { + struct acpi_subtbl_hdr_16 header; + u32 reserved1; + u32 flags; + u32 contention_mask; + u8 index_fn; + u8 reserved2[7]; + u64 reg_base; + u32 reg_size; + u16 cat_reg_offset; + u16 cat_reg_block_size; +}; + +/******************************************************************************* + * * IORT - IO Remapping Table * * Conforms to "IO Remapping Table System Software on ARM Platforms", |