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-rw-r--r--src/arch/x86/include/arch/acpi.h6
1 files changed, 6 insertions, 0 deletions
diff --git a/src/arch/x86/include/arch/acpi.h b/src/arch/x86/include/arch/acpi.h
index 38029edfb7..be62008cf3 100644
--- a/src/arch/x86/include/arch/acpi.h
+++ b/src/arch/x86/include/arch/acpi.h
@@ -70,6 +70,12 @@ typedef struct acpi_gen_regaddr {
#define ACPI_ADDRESS_SPACE_SMBUS 4 /* SMBus */
#define ACPI_ADDRESS_SPACE_PCC 0x0A /* Platform Comm. Channel */
#define ACPI_ADDRESS_SPACE_FIXED 0x7f /* Functional fixed hardware */
+#define ACPI_FFIXEDHW_VENDOR_INTEL 1 /* Intel */
+#define ACPI_FFIXEDHW_CLASS_HLT 0 /* C1 Halt */
+#define ACPI_FFIXEDHW_CLASS_IO_HLT 1 /* C1 I/O then Halt */
+#define ACPI_FFIXEDHW_CLASS_MWAIT 2 /* MWAIT Native C-state */
+#define ACPI_FFIXEDHW_FLAG_HW_COORD 1 /* Hardware Coordination bit */
+#define ACPI_FFIXEDHW_FLAG_BM_STS 2 /* BM_STS avoidance bit */
/* 0x80-0xbf: Reserved */
/* 0xc0-0xff: OEM defined */