1 files changed, 17 insertions, 2 deletions

diff --git a/include/acpi/actbl1.h b/include/acpi/actbl1.h
index 7626bfeac2cb..29e79370641d 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()