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| author | Alison Schofield <alison.schofield@intel.com> | 2021-05-20 13:48:40 -0700 |
|---|---|---|
| committer | Erik Kaneda <erik.kaneda@intel.com> | 2021-05-20 13:48:40 -0700 |
| commit | 699fc72e56936bebf3b9ba39b6e91bd957b44452 (patch) | |
| tree | cde4a1ba22a98117bb372943f3d6a4da46694b42 | |
| parent | 5ace82441a34f8d45725f12f6bd2677e79c186a6 (diff) | |
| download | acpica-699fc72e56936bebf3b9ba39b6e91bd957b44452.tar.gz | |
Add the CFMWS structure definition to the CEDT table
The CXL Fixed Memory Window Structure (CFMWS) is added to the
CXL Early Discovery Table (CEDT). This new structure is defined
in an ECN to the CXL 2.0 specification.
https://www.computeexpresslink.org/spec-landing
Signed-off-by: Alison Schofield <alison.schofield@intel.com>
| -rw-r--r-- | source/include/actbl1.h | 34 |
1 files changed, 33 insertions, 1 deletions
diff --git a/source/include/actbl1.h b/source/include/actbl1.h index 169a28801..136ebf129 100644 --- a/source/include/actbl1.h +++ b/source/include/actbl1.h @@ -523,7 +523,8 @@ typedef struct acpi_cedt_header enum AcpiCedtType { 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 */ @@ -554,6 +555,37 @@ typedef struct acpi_cedt_chbs } ACPI_CEDT_CHBS; +/* 1: CXL Fixed Memory Window Structure */ + +typedef struct acpi_cedt_cfmws +{ + ACPI_CEDT_HEADER Header; + UINT32 Reserved1; + UINT64 BaseHpa; + UINT64 WindowSize; + UINT8 InterleaveWays; + UINT8 InterleaveArithmetic; + UINT16 Reserved2; + UINT32 Granularity; + UINT16 Restrictions; + UINT16 QtgId; + UINT32 InterleaveTargets[]; + +} ACPI_CEDT_CFMWS; + +/* 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) |