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Message-Id: <6473e0bb42524e4f29112290a92539d1a800eb69.1706603678.git.haibo1.xu@intel.com>
Date: Wed, 31 Jan 2024 10:31:58 +0800
From: Haibo Xu <haibo1.xu@...el.com>
To:
Cc: xiaobo55x@...il.com,
ajones@...tanamicro.com,
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Haibo Xu <haibo1.xu@...el.com>,
Paul Walmsley <paul.walmsley@...ive.com>,
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acpica-devel@...ts.linux.dev
Subject: [PATCH 1/4] ACPICA: SRAT: Add RISC-V RINTC affinity structure
ACPICA commit 93caddbf2f620769052c59ec471f018281dc3a24
Add definition of RISC-V Interrupt Controller(RINTC)
affinity structure which was approved by UEFI forum
and will be part of next ACPI spec version(6.6).
Link: https://github.com/acpica/acpica/commit/93caddbf
Signed-off-by: Haibo Xu <haibo1.xu@...el.com>
---
include/acpi/actbl3.h | 18 +++++++++++++++++-
1 file changed, 17 insertions(+), 1 deletion(-)
diff --git a/include/acpi/actbl3.h b/include/acpi/actbl3.h
index c080d579a546..5202e3fc9b41 100644
--- a/include/acpi/actbl3.h
+++ b/include/acpi/actbl3.h
@@ -192,7 +192,8 @@ enum acpi_srat_type {
ACPI_SRAT_TYPE_GIC_ITS_AFFINITY = 4, /* ACPI 6.2 */
ACPI_SRAT_TYPE_GENERIC_AFFINITY = 5, /* ACPI 6.3 */
ACPI_SRAT_TYPE_GENERIC_PORT_AFFINITY = 6, /* ACPI 6.4 */
- ACPI_SRAT_TYPE_RESERVED = 7 /* 7 and greater are reserved */
+ ACPI_SRAT_TYPE_RINTC_AFFINITY = 7, /* ACPI 6.6 */
+ ACPI_SRAT_TYPE_RESERVED = 8 /* 8 and greater are reserved */
};
/*
@@ -296,6 +297,21 @@ struct acpi_srat_generic_affinity {
#define ACPI_SRAT_GENERIC_AFFINITY_ENABLED (1) /* 00: Use affinity structure */
#define ACPI_SRAT_ARCHITECTURAL_TRANSACTIONS (1<<1) /* ACPI 6.4 */
+/* 7: RINTC Affinity (ACPI 6.6) */
+
+struct acpi_srat_rintc_affinity {
+ struct acpi_subtable_header header;
+ u16 reserved; /* Reserved, must be zero */
+ u32 proximity_domain;
+ u32 acpi_processor_uid;
+ u32 flags;
+ u32 clock_domain;
+};
+
+/* Flags for struct acpi_srat_rintc_affinity */
+
+#define ACPI_SRAT_RINTC_ENABLED (1) /* 00: Use affinity structure */
+
/*******************************************************************************
*
* STAO - Status Override Table (_STA override) - ACPI 6.0
--
2.34.1
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