diff options
Diffstat (limited to 'include/acpi/actbl1.h')
| -rw-r--r-- | include/acpi/actbl1.h | 41 |
1 files changed, 40 insertions, 1 deletions
diff --git a/include/acpi/actbl1.h b/include/acpi/actbl1.h index ce59903c2695..ef2872dea01c 100644 --- a/include/acpi/actbl1.h +++ b/include/acpi/actbl1.h @@ -327,9 +327,20 @@ struct acpi_cedt_header { enum acpi_cedt_type { ACPI_CEDT_TYPE_CHBS = 0, - ACPI_CEDT_TYPE_RESERVED = 1 + ACPI_CEDT_TYPE_CFMWS = 1, + ACPI_CEDT_TYPE_RESERVED = 2, }; +/* Values for version field above */ + +#define ACPI_CEDT_CHBS_VERSION_CXL11 (0) +#define ACPI_CEDT_CHBS_VERSION_CXL20 (1) + +/* Values for length field above */ + +#define ACPI_CEDT_CHBS_LENGTH_CXL11 (0x2000) +#define ACPI_CEDT_CHBS_LENGTH_CXL20 (0x10000) + /* * CEDT subtables */ @@ -345,6 +356,34 @@ struct acpi_cedt_chbs { u64 length; }; +/* 1: CXL Fixed Memory Window Structure */ + +struct acpi_cedt_cfmws { + struct acpi_cedt_header header; + u32 reserved1; + u64 base_hpa; + u64 window_size; + u8 interleave_ways; + u8 interleave_arithmetic; + u16 reserved2; + u32 granularity; + u16 restrictions; + u16 qtg_id; + u32 interleave_targets[]; +}; + +/* Values for Interleave Arithmetic field above */ + +#define ACPI_CEDT_CFMWS_ARITHMETIC_MODULO (0) + +/* Values for Restrictions field above */ + +#define ACPI_CEDT_CFMWS_RESTRICT_TYPE2 (1) +#define ACPI_CEDT_CFMWS_RESTRICT_TYPE3 (1<<1) +#define ACPI_CEDT_CFMWS_RESTRICT_VOLATILE (1<<2) +#define ACPI_CEDT_CFMWS_RESTRICT_PMEM (1<<3) +#define ACPI_CEDT_CFMWS_RESTRICT_FIXED (1<<4) + /******************************************************************************* * * CPEP - Corrected Platform Error Polling table (ACPI 4.0) |