1 files changed, 35 insertions, 0 deletions

diff --git a/include/xen/acpi.h b/include/xen/acpi.h
index 48a9c0171b65..68d73d09b770 100644
--- a/include/xen/acpi.h
+++ b/include/xen/acpi.h
@@ -40,6 +40,41 @@
 #include <xen/xen.h>
 #include <linux/acpi.h>
 
+#define ACPI_MEMORY_DEVICE_CLASS        "memory"
+#define ACPI_MEMORY_DEVICE_HID          "PNP0C80"
+#define ACPI_MEMORY_DEVICE_NAME         "Hotplug Mem Device"
+
+int xen_stub_memory_device_init(void);
+void xen_stub_memory_device_exit(void);
+
+#define ACPI_PROCESSOR_CLASS            "processor"
+#define ACPI_PROCESSOR_DEVICE_HID       "ACPI0007"
+#define ACPI_PROCESSOR_DEVICE_NAME      "Processor"
+
+int xen_stub_processor_init(void);
+void xen_stub_processor_exit(void);
+
+void xen_pcpu_hotplug_sync(void);
+int xen_pcpu_id(uint32_t acpi_id);
+
+static inline int xen_acpi_get_pxm(acpi_handle h)
+{
+        unsigned long long pxm;
+        acpi_status status;
+        acpi_handle handle;
+        acpi_handle phandle = h;
+
+        do {
+                handle = phandle;
+                status = acpi_evaluate_integer(handle, "_PXM", NULL, &pxm);
+                if (ACPI_SUCCESS(status))
+                        return pxm;
+                status = acpi_get_parent(handle, &phandle);
+        } while (ACPI_SUCCESS(status));
+
+        return -ENXIO;
+}
+
 int xen_acpi_notify_hypervisor_state(u8 sleep_state,
                                      u32 pm1a_cnt, u32 pm1b_cnd);