linux-kernel - [PATCH v3 1/6] ACPICA: SRAT: Add RISC-V RINTC affinity structure

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Message-Id: <400608fe1804f5f2b52e611bf58e3a3a0b839b92.1713778236.git.haibo1.xu@intel.com>
Date: Wed, 24 Apr 2024 13:46:21 +0800
From: Haibo Xu <haibo1.xu@...el.com>
To: sunilvl@...tanamicro.com,
	arnd@...db.de
Cc: xiaobo55x@...il.com,
	ajones@...tanamicro.com,
	Haibo Xu <haibo1.xu@...el.com>,
	Catalin Marinas <catalin.marinas@....com>,
	Will Deacon <will@...nel.org>,
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Subject: [PATCH v3 1/6] 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