Add a new dbus interface to trigger NMI.

Signed-off-by: Lakshminarayana R. Kammath <lkammath@in.ibm.com>
Change-Id: I81f61fbbba757bff2d99585ca0e22816483c7c37
diff --git a/xyz/openbmc_project/Control/Host/NMI.interface.yaml b/xyz/openbmc_project/Control/Host/NMI.interface.yaml
new file mode 100644
index 0000000..71953b8
--- /dev/null
+++ b/xyz/openbmc_project/Control/Host/NMI.interface.yaml
@@ -0,0 +1,13 @@
+description: >
+    It is a non-maskable interrupt or signal for triggering dumps from the host
+    operating system when host is unresponsive or hung.
+
+methods:
+    - name: NMI
+      description: >
+         Generic method to initiate non maskable interrupt on all
+         host processors.
+      errors:
+        - xyz.openbmc_project.Common.Error.InternalFailure
+
+