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ACPICA: Finish support for the CDAT table

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ACPICA commit 8ac4e5116f59d6f9ba2fbeb9ce22ab58237a278f

Finish support for the CDAT table, in both the data table compiler and
the disassembler.

Link: https://github.com/acpica/acpica/commit/8ac4e511
Signed-off-by: Bob Moore <robert.moore@intel.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
This commit is contained in:
Bob Moore
2022-10-27 19:58:36 +02:00
committed by Rafael J. Wysocki
parent 3f062a516a
commit 51aad1a672
13 changed files with 311 additions and 88 deletions
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116
include/acpi/actbl1.h
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@@ -45,6 +45,7 @@
#define ACPI_SIG_HMAT "HMAT" /* Heterogeneous Memory Attributes Table */
#define ACPI_SIG_HPET "HPET" /* High Precision Event Timer table */
#define ACPI_SIG_IBFT "IBFT" /* iSCSI Boot Firmware Table */
#define ACPI_SIG_MSCT "MSCT" /* Maximum System Characteristics Table */
#define ACPI_SIG_S3PT "S3PT" /* S3 Performance (sub)Table */
#define ACPI_SIG_PCCS "PCC" /* PCC Shared Memory Region */
@@ -303,12 +304,125 @@ struct acpi_table_boot {
u8 reserved[3];
};
/*******************************************************************************
*
* CDAT - Coherent Device Attribute Table
* Version 1
*
* Conforms to the "Coherent Device Attribute Table (CDAT) Specification
" (Revision 1.01, October 2020.)
*
******************************************************************************/
struct acpi_table_cdat {
u32 length; /* Length of table in bytes, including this header */
u8 revision; /* ACPI Specification minor version number */
u8 checksum; /* To make sum of entire table == 0 */
u8 reserved[6];
u32 sequence; /* Used to detect runtime CDAT table changes */
};
/* CDAT common subtable header */
struct acpi_cdat_header {
u8 type;
u8 reserved;
u16 length;
};
/* Values for Type field above */
enum acpi_cdat_type {
ACPI_CDAT_TYPE_DSMAS = 0,
ACPI_CDAT_TYPE_DSLBIS = 1,
ACPI_CDAT_TYPE_DSMSCIS = 2,
ACPI_CDAT_TYPE_DSIS = 3,
ACPI_CDAT_TYPE_DSEMTS = 4,
ACPI_CDAT_TYPE_SSLBIS = 5,
ACPI_CDAT_TYPE_RESERVED = 6 /* 6 through 0xFF are reserved */
};
/* Subtable 0: Device Scoped Memory Affinity Structure (DSMAS) */
struct acpi_cadt_dsmas {
u8 dsmad_handle;
u8 flags;
u16 reserved;
u64 dpa_base_address;
u64 dpa_length;
};
/* Flags for subtable above */
#define ACPI_CEDT_DSMAS_NON_VOLATILE (1 << 2)
/* Subtable 1: Device scoped Latency and Bandwidth Information Structure (DSLBIS) */
struct acpi_cdat_dslbis {
u8 handle;
u8 flags; /* If Handle matches a DSMAS handle, the definition of this field matches
* Flags field in HMAT System Locality Latency */
u8 data_type;
u8 reserved;
u64 entry_base_unit;
u16 entry[3];
u16 reserved2;
};
/* Subtable 2: Device Scoped Memory Side Cache Information Structure (DSMSCIS) */
struct acpi_cdat_dsmscis {
u8 dsmas_handle;
u8 reserved[3];
u64 side_cache_size;
u32 cache_attributes;
};
/* Subtable 3: Device Scoped Initiator Structure (DSIS) */
struct acpi_cdat_dsis {
u8 flags;
u8 handle;
u16 reserved;
};
/* Flags for above subtable */
#define ACPI_CDAT_DSIS_MEM_ATTACHED (1 << 0)
/* Subtable 4: Device Scoped EFI Memory Type Structure (DSEMTS) */
struct acpi_cdat_dsemts {
u8 dsmas_handle;
u8 memory_type;
u16 reserved;
u64 dpa_offset;
u64 range_length;
};
/* Subtable 5: Switch Scoped Latency and Bandwidth Information Structure (SSLBIS) */
struct acpi_cdat_sslbis {
u8 data_type;
u8 reserved[3];
u64 entry_base_unit;
};
/* Sub-subtable for above, sslbe_entries field */
struct acpi_cdat_sslbe {
u16 portx_id;
u16 porty_id;
u16 latency_or_bandwidth;
u16 reserved;
};
/*******************************************************************************
*
* CEDT - CXL Early Discovery Table
* Version 1
*
* Conforms to the "CXL Early Discovery Table" (CXL 2.0)
* Conforms to the "CXL Early Discovery Table" (CXL 2.0, October 2020)
*
******************************************************************************/