diff options
| author | Ben Widawsky | 2021-04-06 14:30:20 -0700 |
|---|---|---|
| committer | Rafael J. Wysocki | 2021-04-07 19:09:01 +0200 |
| commit | 7c5eab72f5a4dffec61f8c0cd99736178f95a50a (patch) | |
| tree | 0b447a2a3ee7841acac07537ca0cc94993dda655 | |
| parent | 582252034dd6b334c5f50140958362b19442fecd (diff) | |
ACPICA: CXL 2.0: CEDT: Add new CEDT table
ACPICA commit 0b03aa8ebd7a5b2b9407893f123ee587af45926f
This sets up all of the boilerplate without actually doing anything.
Link: https://github.com/acpica/acpica/commit/0b03aa8e
Signed-off-by: Ben Widawsky <ben.widawsky@intel.com>
Signed-off-by: Ben Widawsky <ben@bwidawsk.net>
Signed-off-by: Bob Moore <robert.moore@intel.com>
Signed-off-by: Erik Kaneda <erik.kaneda@intel.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
| -rw-r--r-- | include/acpi/actbl1.h | 43 |
1 files changed, 43 insertions, 0 deletions
diff --git a/include/acpi/actbl1.h b/include/acpi/actbl1.h index 2ee7eeea783b..7b286766e810 100644 --- a/include/acpi/actbl1.h +++ b/include/acpi/actbl1.h @@ -28,6 +28,7 @@ #define ACPI_SIG_BERT "BERT" /* Boot Error Record Table */ #define ACPI_SIG_BGRT "BGRT" /* Boot Graphics Resource Table */ #define ACPI_SIG_BOOT "BOOT" /* Simple Boot Flag Table */ +#define ACPI_SIG_CEDT "CEDT" /* CXL Early Discovery Table */ #define ACPI_SIG_CPEP "CPEP" /* Corrected Platform Error Polling table */ #define ACPI_SIG_CSRT "CSRT" /* Core System Resource Table */ #define ACPI_SIG_DBG2 "DBG2" /* Debug Port table type 2 */ @@ -303,6 +304,48 @@ struct acpi_table_boot { /******************************************************************************* * + * CEDT - CXL Early Discovery Table + * Version 1 + * + * Conforms to the "CXL Early Discovery Table" (CXL 2.0) + * + ******************************************************************************/ + +struct acpi_table_cedt { + struct acpi_table_header header; /* Common ACPI table header */ +}; + +/* CEDT subtable header (Performance Record Structure) */ + +struct acpi_cedt_header { + u8 type; + u8 reserved; + u16 length; +}; + +/* Values for Type field above */ + +enum acpi_cedt_type { + ACPI_CEDT_TYPE_CHBS = 0, +}; + +/* + * CEDT subtables + */ + +/* 0: CXL Host Bridge Structure */ + +struct acpi_cedt_chbs { + ACPI_CEDT_HEADER header; + u32 uid; + u32 cxl_version; + u32 reserved; + u64 base; + u64 length; +}; + +/******************************************************************************* + * * CPEP - Corrected Platform Error Polling table (ACPI 4.0) * Version 1 * |