linux-kernel - [PATCH v2 1/6] ACPICA: SRAT: Add RISC-V RINTC affinity structure

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Date: Thu,  7 Mar 2024 16:47:53 +0800
From: Haibo Xu <haibo1.xu@...el.com>
To: 
Cc: xiaobo55x@...il.com,
	ajones@...tanamicro.com,
	sunilvl@...tanamicro.com,
	Haibo Xu <haibo1.xu@...el.com>,
	Paul Walmsley <paul.walmsley@...ive.com>,
	Palmer Dabbelt <palmer@...belt.com>,
	Albert Ou <aou@...s.berkeley.edu>,
	"Rafael J. Wysocki" <rafael@...nel.org>,
	Len Brown <lenb@...nel.org>,
	Robert Moore <robert.moore@...el.com>,
	Conor Dooley <conor.dooley@...rochip.com>,
	Guo Ren <guoren@...nel.org>,
	Anup Patel <apatel@...tanamicro.com>,
	Greentime Hu <greentime.hu@...ive.com>,
	Alexandre Ghiti <alexghiti@...osinc.com>,
	Sami Tolvanen <samitolvanen@...gle.com>,
	Zong Li <zong.li@...ive.com>,
	Jisheng Zhang <jszhang@...nel.org>,
	Baoquan He <bhe@...hat.com>,
	Clément Léger <cleger@...osinc.com>,
	Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
	Chen Jiahao <chenjiahao16@...wei.com>,
	Arnd Bergmann <arnd@...db.de>,
	James Morse <james.morse@....com>,
	Evan Green <evan@...osinc.com>,
	Samuel Holland <samuel.holland@...ive.com>,
	Marc Zyngier <maz@...nel.org>,
	Ard Biesheuvel <ardb@...nel.org>,
	Tony Luck <tony.luck@...el.com>,
	Yuntao Wang <ytcoode@...il.com>,
	Dan Williams <dan.j.williams@...el.com>,
	Alison Schofield <alison.schofield@...el.com>,
	Dave Hansen <dave.hansen@...ux.intel.com>,
	linux-riscv@...ts.infradead.org,
	linux-kernel@...r.kernel.org,
	linux-acpi@...r.kernel.org,
	acpica-devel@...ts.linux.dev
Subject: [PATCH v2 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