diff --git a/include/hw/i386/pc.h b/include/hw/i386/pc.h
index 085a621..5aefc5b 100644
--- a/include/hw/i386/pc.h
+++ b/include/hw/i386/pc.h
@@ -20,6 +20,16 @@
     Range w64;
 } PcPciInfo;
 
+#define ACPI_PM_PROP_S3_DISABLED "disable_s3"
+#define ACPI_PM_PROP_S4_DISABLED "disable_s4"
+#define ACPI_PM_PROP_S4_VAL "s4_val"
+#define ACPI_PM_PROP_SCI_INT "sci_int"
+#define ACPI_PM_PROP_ACPI_ENABLE_CMD "acpi_enable_cmd"
+#define ACPI_PM_PROP_ACPI_DISABLE_CMD "acpi_disable_cmd"
+#define ACPI_PM_PROP_PM_IO_BASE "pm_io_base"
+#define ACPI_PM_PROP_GPE0_BLK "gpe0_blk"
+#define ACPI_PM_PROP_GPE0_BLK_LEN "gpe0_blk_len"
+
 struct PcGuestInfo {
     bool has_pci_info;
     bool isapc_ram_fw;