ACPICA: x2APIC support: changes for MADT and SRAT ACPI tables
Support for the x2APIC. There are 2 new subtables for the MADT and
one new subtable for the SRAT. Includes disassembler and acpisrc
support. Data from the Intel 64 Architecture x2APIC Specification,
June 2008.
Signed-off-by: Bob Moore <robert.moore@intel.com>
Signed-off-by: Lin Ming <ming.m.lin@intel.com>
Signed-off-by: Andi Kleen <ak@linux.intel.com>
Signed-off-by: Len Brown <len.brown@intel.com>
diff --git a/include/acpi/actbl1.h b/include/acpi/actbl1.h
index d38f9be2..63f5b4c 100644
--- a/include/acpi/actbl1.h
+++ b/include/acpi/actbl1.h
@@ -908,7 +908,9 @@
ACPI_MADT_TYPE_IO_SAPIC = 6,
ACPI_MADT_TYPE_LOCAL_SAPIC = 7,
ACPI_MADT_TYPE_INTERRUPT_SOURCE = 8,
- ACPI_MADT_TYPE_RESERVED = 9 /* 9 and greater are reserved */
+ ACPI_MADT_TYPE_LOCAL_X2APIC = 9,
+ ACPI_MADT_TYPE_LOCAL_X2APIC_NMI = 10,
+ ACPI_MADT_TYPE_RESERVED = 11 /* 11 and greater are reserved */
};
/*
@@ -1009,6 +1011,26 @@
#define ACPI_MADT_CPEI_OVERRIDE (1)
+/* 9: Processor Local X2_APIC (07/2008) */
+
+struct acpi_madt_local_x2apic {
+ struct acpi_subtable_header header;
+ u16 reserved; /* Reserved - must be zero */
+ u32 local_apic_id; /* Processor X2_APIC ID */
+ u32 lapic_flags;
+ u32 uid; /* Extended X2_APIC processor ID */
+};
+
+/* 10: Local X2APIC NMI (07/2008) */
+
+struct acpi_madt_local_x2apic_nmi {
+ struct acpi_subtable_header header;
+ u16 inti_flags;
+ u32 uid; /* Processor X2_APIC ID */
+ u8 lint; /* LINTn to which NMI is connected */
+ u8 reserved[3];
+};
+
/*
* Common flags fields for MADT subtables
*/
@@ -1150,10 +1172,15 @@
enum acpi_srat_type {
ACPI_SRAT_TYPE_CPU_AFFINITY = 0,
ACPI_SRAT_TYPE_MEMORY_AFFINITY = 1,
- ACPI_SRAT_TYPE_RESERVED = 2
+ ACPI_SRAT_TYPE_X2APIC_CPU_AFFINITY = 2,
+ ACPI_SRAT_TYPE_RESERVED = 3 /* 3 and greater are reserved */
};
-/* SRAT sub-tables */
+/*
+ * SRAT Sub-tables, correspond to Type in struct acpi_subtable_header
+ */
+
+/* 0: Processor Local APIC/SAPIC Affinity */
struct acpi_srat_cpu_affinity {
struct acpi_subtable_header header;
@@ -1165,9 +1192,7 @@
u32 reserved; /* Reserved, must be zero */
};
-/* Flags */
-
-#define ACPI_SRAT_CPU_ENABLED (1) /* 00: Use affinity structure */
+/* 1: Memory Affinity */
struct acpi_srat_mem_affinity {
struct acpi_subtable_header header;
@@ -1186,6 +1211,20 @@
#define ACPI_SRAT_MEM_HOT_PLUGGABLE (1<<1) /* 01: Memory region is hot pluggable */
#define ACPI_SRAT_MEM_NON_VOLATILE (1<<2) /* 02: Memory region is non-volatile */
+/* 2: Processor Local X2_APIC Affinity (07/2008) */
+
+struct acpi_srat_x2apic_cpu_affinity {
+ struct acpi_subtable_header header;
+ u16 reserved; /* Reserved, must be zero */
+ u32 proximity_domain;
+ u32 apic_id;
+ u32 flags;
+};
+
+/* Flags for struct acpi_srat_cpu_affinity and struct acpi_srat_x2apic_cpu_affinity */
+
+#define ACPI_SRAT_CPU_ENABLED (1) /* 00: Use affinity structure */
+
/*******************************************************************************
*
* TCPA - Trusted Computing Platform Alliance table