linux-kernel - [PATCH 2/6] ACPICA: ACPI 5.1/Disassembler: Add GICC affinity subtable to SRAT table.

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Message-Id: <4146d3ca95c7360d4808d36f51e2ba9bba99e332.1409617516.git.lv.zheng@intel.com>
Date:	Tue,  2 Sep 2014 08:27:12 +0800
From:	Lv Zheng <lv.zheng@...el.com>
To:	"Rafael J. Wysocki" <rafael.j.wysocki@...el.com>,
	Len Brown <len.brown@...el.com>
Cc:	Lv Zheng <lv.zheng@...el.com>, Lv Zheng <zetalog@...il.com>,
	<linux-kernel@...r.kernel.org>, linux-acpi@...r.kernel.org,
	Hanjun Guo <hanjun.guo@...aro.org>,
	Bob Moore <robert.moore@...el.com>
Subject: [PATCH 2/6] ACPICA: ACPI 5.1/Disassembler: Add GICC affinity subtable to SRAT table.

From: Hanjun Guo <hanjun.guo@...aro.org>

Update template for SRAT.
Add clock_domain to standard CPU affinity subtable.

Mostly by Hanjun Guo <hanjun.guo@...aro.org>

Signed-off-by: Hanjun Guo <hanjun.guo@...aro.org>
Signed-off-by: Bob Moore <robert.moore@...el.com>
Signed-off-by: Lv Zheng <lv.zheng@...el.com>
---
 include/acpi/actbl1.h |   19 +++++++++++++++++--
 1 file changed, 17 insertions(+), 2 deletions(-)

diff --git a/include/acpi/actbl1.h b/include/acpi/actbl1.h
index 7626bfe..29e7937 100644
--- a/include/acpi/actbl1.h
+++ b/include/acpi/actbl1.h
@@ -952,7 +952,8 @@ enum acpi_srat_type {
 	ACPI_SRAT_TYPE_CPU_AFFINITY = 0,
 	ACPI_SRAT_TYPE_MEMORY_AFFINITY = 1,
 	ACPI_SRAT_TYPE_X2APIC_CPU_AFFINITY = 2,
-	ACPI_SRAT_TYPE_RESERVED = 3	/* 3 and greater are reserved */
+	ACPI_SRAT_TYPE_GICC_AFFINITY = 3,
+	ACPI_SRAT_TYPE_RESERVED = 4	/* 4 and greater are reserved */
 };
 
 /*
@@ -968,7 +969,7 @@ struct acpi_srat_cpu_affinity {
 	u32 flags;
 	u8 local_sapic_eid;
 	u8 proximity_domain_hi[3];
-	u32 reserved;		/* Reserved, must be zero */
+	u32 clock_domain;
 };
 
 /* Flags */
@@ -1010,6 +1011,20 @@ struct acpi_srat_x2apic_cpu_affinity {
 
 #define ACPI_SRAT_CPU_ENABLED       (1)	/* 00: Use affinity structure */
 
+/* 3: GICC Affinity (ACPI 5.1) */
+
+struct acpi_srat_gicc_affinity {
+	struct acpi_subtable_header header;
+	u32 proximity_domain;
+	u32 acpi_processor_uid;
+	u32 flags;
+	u32 clock_domain;
+};
+
+/* Flags for struct acpi_srat_gicc_affinity */
+
+#define ACPI_SRAT_GICC_ENABLED     (1)	/* 00: Use affinity structure */
+
 /* Reset to default packing */
 
 #pragma pack()
-- 
1.7.10

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