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commit 699fc72e56936bebf3b9ba39b6e91bd957b44452
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Author: Alison Schofield <alison.schofield@intel.com>
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Date: Thu May 20 13:48:40 2021 -0700
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Add the CFMWS structure definition to the CEDT table
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The CXL Fixed Memory Window Structure (CFMWS) is added to the
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CXL Early Discovery Table (CEDT). This new structure is defined
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in an ECN to the CXL 2.0 specification.
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https://www.computeexpresslink.org/spec-landing
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Signed-off-by: Alison Schofield <alison.schofield@intel.com>
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diff --git a/source/include/actbl1.h b/source/include/actbl1.h
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index 51fee30..f274a85 100644
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--- a/source/include/actbl1.h
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+++ b/source/include/actbl1.h
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@@ -415,7 +415,8 @@ typedef struct acpi_cedt_header
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enum AcpiCedtType
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{
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ACPI_CEDT_TYPE_CHBS = 0,
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- ACPI_CEDT_TYPE_RESERVED = 1
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+ ACPI_CEDT_TYPE_CFMWS = 1,
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+ ACPI_CEDT_TYPE_RESERVED = 2,
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};
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/* Values for version field above */
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@@ -446,6 +447,37 @@ typedef struct acpi_cedt_chbs
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} ACPI_CEDT_CHBS;
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+/* 1: CXL Fixed Memory Window Structure */
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+
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+typedef struct acpi_cedt_cfmws
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+{
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+ ACPI_CEDT_HEADER Header;
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+ UINT32 Reserved1;
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+ UINT64 BaseHpa;
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+ UINT64 WindowSize;
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+ UINT8 InterleaveWays;
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+ UINT8 InterleaveArithmetic;
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+ UINT16 Reserved2;
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+ UINT32 Granularity;
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+ UINT16 Restrictions;
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+ UINT16 QtgId;
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+ UINT32 InterleaveTargets[];
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+
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+} ACPI_CEDT_CFMWS;
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+
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+/* Values for Interleave Arithmetic field above */
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+
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+#define ACPI_CEDT_CFMWS_ARITHMETIC_MODULO (0)
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+
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+/* Values for Restrictions field above */
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+
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+#define ACPI_CEDT_CFMWS_RESTRICT_TYPE2 (1)
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+#define ACPI_CEDT_CFMWS_RESTRICT_TYPE3 (1<<1)
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+#define ACPI_CEDT_CFMWS_RESTRICT_VOLATILE (1<<2)
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+#define ACPI_CEDT_CFMWS_RESTRICT_PMEM (1<<3)
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+#define ACPI_CEDT_CFMWS_RESTRICT_FIXED (1<<4)
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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 (ACPI 4.0)
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