180 lines
7.3 KiB
Diff
180 lines
7.3 KiB
Diff
commit 0b03aa8ebd7a5b2b9407893f123ee587af45926f
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Author: Ben Widawsky <ben@bwidawsk.net>
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Date: Thu Feb 25 13:54:56 2021 -0800
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CXL 2.0: CEDT: Add new CEDT table
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This sets up all of the boilerplate without actually doing anything.
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Signed-off-by: Ben Widawsky <ben.widawsky@intel.com>
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diff --git a/source/common/ahtable.c b/source/common/ahtable.c
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index a313c7f..2679fae 100644
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--- a/source/common/ahtable.c
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+++ b/source/common/ahtable.c
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@@ -95,6 +95,7 @@ const AH_TABLE Gbl_AcpiSupportedTables[] =
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{ACPI_SIG_BERT, "Boot Error Record Table"},
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{ACPI_SIG_BGRT, "Boot Graphics Resource Table"},
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{ACPI_SIG_BOOT, "Simple Boot Flag Table"},
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+ {ACPI_SIG_CEDT, "CXL Early Discovery Table"},
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{ACPI_SIG_CPEP, "Corrected Platform Error Polling table"},
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{ACPI_SIG_CSRT, "Core System Resource Table"},
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{ACPI_SIG_DBG2, "Debug Port table type 2"},
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diff --git a/source/common/dmtable.c b/source/common/dmtable.c
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index 0908e44..137b5b9 100644
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--- a/source/common/dmtable.c
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+++ b/source/common/dmtable.c
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@@ -376,6 +376,7 @@ const ACPI_DMTABLE_DATA AcpiDmTableData[] =
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{ACPI_SIG_BERT, AcpiDmTableInfoBert, NULL, NULL, TemplateBert},
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{ACPI_SIG_BGRT, AcpiDmTableInfoBgrt, NULL, NULL, TemplateBgrt},
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{ACPI_SIG_BOOT, AcpiDmTableInfoBoot, NULL, NULL, TemplateBoot},
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+ {ACPI_SIG_CEDT, NULL, NULL, NULL, NULL},
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{ACPI_SIG_CPEP, NULL, AcpiDmDumpCpep, DtCompileCpep, TemplateCpep},
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{ACPI_SIG_CSRT, NULL, AcpiDmDumpCsrt, DtCompileCsrt, TemplateCsrt},
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{ACPI_SIG_DBG2, AcpiDmTableInfoDbg2, AcpiDmDumpDbg2, DtCompileDbg2, TemplateDbg2},
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diff --git a/source/common/dmtbinfo1.c b/source/common/dmtbinfo1.c
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index 4adb42a..cb41915 100644
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--- a/source/common/dmtbinfo1.c
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+++ b/source/common/dmtbinfo1.c
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@@ -236,6 +236,33 @@ ACPI_DMTABLE_INFO AcpiDmTableInfoBoot[] =
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};
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+/*******************************************************************************
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+ *
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+ * CEDT - CXL Early Discovery Table
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+ *
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+ ******************************************************************************/
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+
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+ACPI_DMTABLE_INFO AcpiDmTableInfoCedtHdr[] =
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+{
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+ {ACPI_DMT_UINT8, ACPI_CEDT_OFFSET (Type), "Subtable Type", 0},
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+ {ACPI_DMT_UINT8, ACPI_CEDT_OFFSET (Reserved), "Reserved", 0},
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+ {ACPI_DMT_UINT16, ACPI_CEDT_OFFSET (Length), "Length", DT_LENGTH},
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+ ACPI_DMT_TERMINATOR
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+};
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+
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+/* 0: CXL Host Bridge Structure */
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+
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+ACPI_DMTABLE_INFO AcpiDmTableInfoCedt0[] =
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+{
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+ {ACPI_DMT_UINT32, ACPI_CEDT0_OFFSET (Uid), "Associated host bridge", 0},
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+ {ACPI_DMT_UINT32, ACPI_CEDT0_OFFSET (CxlVersion), "Specification version", 0},
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+ {ACPI_DMT_UINT32, ACPI_CEDT0_OFFSET (Reserved), "Reserved", 0},
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+ {ACPI_DMT_UINT64, ACPI_CEDT0_OFFSET (Base), "Register base", 0},
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+ {ACPI_DMT_UINT64, ACPI_CEDT0_OFFSET (Length), "Register length", 0},
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+ ACPI_DMT_TERMINATOR
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+};
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+
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+
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/*******************************************************************************
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*
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* CPEP - Corrected Platform Error Polling table
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diff --git a/source/include/acdisasm.h b/source/include/acdisasm.h
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index e9b7a48..5e94ee3 100644
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--- a/source/include/acdisasm.h
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+++ b/source/include/acdisasm.h
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@@ -256,6 +256,8 @@ extern ACPI_DMTABLE_INFO AcpiDmTableInfoAsfHdr[];
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extern ACPI_DMTABLE_INFO AcpiDmTableInfoBoot[];
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extern ACPI_DMTABLE_INFO AcpiDmTableInfoBert[];
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extern ACPI_DMTABLE_INFO AcpiDmTableInfoBgrt[];
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+extern ACPI_DMTABLE_INFO AcpiDmTableInfoCedtHdr[];
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+extern ACPI_DMTABLE_INFO AcpiDmTableInfoCedt0[];
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extern ACPI_DMTABLE_INFO AcpiDmTableInfoCpep[];
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extern ACPI_DMTABLE_INFO AcpiDmTableInfoCpep0[];
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extern ACPI_DMTABLE_INFO AcpiDmTableInfoCsrt0[];
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diff --git a/source/include/actbinfo.h b/source/include/actbinfo.h
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index 8a1fd74..9735f22 100644
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--- a/source/include/actbinfo.h
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+++ b/source/include/actbinfo.h
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@@ -104,6 +104,8 @@
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#define ACPI_ASF2a_OFFSET(f) (UINT16) ACPI_OFFSET (ACPI_ASF_CONTROL_DATA,f)
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#define ACPI_ASF3_OFFSET(f) (UINT16) ACPI_OFFSET (ACPI_ASF_RMCP,f)
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#define ACPI_ASF4_OFFSET(f) (UINT16) ACPI_OFFSET (ACPI_ASF_ADDRESS,f)
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+#define ACPI_CEDT_OFFSET(f) (UINT16) ACPI_OFFSET (ACPI_CEDT_HEADER, f)
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+#define ACPI_CEDT0_OFFSET(f) (UINT16) ACPI_OFFSET (ACPI_CEDT_CHBS, f)
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#define ACPI_CPEP0_OFFSET(f) (UINT16) ACPI_OFFSET (ACPI_CPEP_POLLING,f)
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#define ACPI_CSRT0_OFFSET(f) (UINT16) ACPI_OFFSET (ACPI_CSRT_GROUP,f)
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#define ACPI_CSRT1_OFFSET(f) (UINT16) ACPI_OFFSET (ACPI_CSRT_SHARED_INFO,f)
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diff --git a/source/include/actbl1.h b/source/include/actbl1.h
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index b76195f..ce4737d 100644
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--- a/source/include/actbl1.h
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+++ b/source/include/actbl1.h
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@@ -64,6 +64,7 @@
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#define ACPI_SIG_BERT "BERT" /* Boot Error Record Table */
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#define ACPI_SIG_BGRT "BGRT" /* Boot Graphics Resource Table */
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#define ACPI_SIG_BOOT "BOOT" /* Simple Boot Flag Table */
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+#define ACPI_SIG_CEDT "CEDT" /* CXL Early Discovery Table */
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#define ACPI_SIG_CPEP "CPEP" /* Corrected Platform Error Polling table */
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#define ACPI_SIG_CSRT "CSRT" /* Core System Resource Table */
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#define ACPI_SIG_DBG2 "DBG2" /* Debug Port table type 2 */
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@@ -383,6 +384,56 @@ typedef struct acpi_table_boot
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} ACPI_TABLE_BOOT;
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+/*******************************************************************************
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+ *
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+ * CEDT - CXL Early Discovery Table
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+ * Version 1
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+ *
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+ * Conforms to the "CXL Early Discovery Table" (CXL 2.0)
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+ *
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+ ******************************************************************************/
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+
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+typedef struct acpi_table_cedt
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+{
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+ ACPI_TABLE_HEADER Header; /* Common ACPI table header */
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+
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+} ACPI_TABLE_CEDT;
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+
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+/* CEDT subtable header (Performance Record Structure) */
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+
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+typedef struct acpi_cedt_header
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+{
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+ UINT8 Type;
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+ UINT8 Reserved;
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+ UINT16 Length;
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+
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+} ACPI_CEDT_HEADER;
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+
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+/* Values for Type field above */
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+
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+enum AcpiCedtType
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+{
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+ ACPI_CEDT_TYPE_CHBS = 0,
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+};
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+
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+
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+/*
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+ * CEDT subtables
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+ */
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+
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+/* 0: CXL Host Bridge Structure */
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+
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+typedef struct acpi_cedt_chbs
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+{
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+ ACPI_CEDT_HEADER Header;
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+ UINT32 Uid;
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+ UINT32 CxlVersion;
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+ UINT32 Reserved;
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+ UINT64 Base;
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+ UINT64 Length;
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+
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+} ACPI_CEDT_CHBS;
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+
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/*******************************************************************************
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*
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diff --git a/source/tools/acpisrc/astable.c b/source/tools/acpisrc/astable.c
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index ef74f17..8aa35fe 100644
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--- a/source/tools/acpisrc/astable.c
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+++ b/source/tools/acpisrc/astable.c
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@@ -529,6 +529,7 @@ ACPI_TYPED_IDENTIFIER_TABLE AcpiIdentifiers[] = {
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{"ACPI_TABLE_BERT", SRC_TYPE_STRUCT},
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{"ACPI_TABLE_BGRT", SRC_TYPE_STRUCT},
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{"ACPI_TABLE_BOOT", SRC_TYPE_STRUCT},
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+ {"ACPI_TABLE_CEDT", SRC_TYPE_STRUCT},
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{"ACPI_TABLE_CPEP", SRC_TYPE_STRUCT},
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{"ACPI_TABLE_CSRT", SRC_TYPE_STRUCT},
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{"ACPI_TABLE_DBG2", SRC_TYPE_STRUCT},
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