Added dummy cavium driver

Change-Id: Idf1487f881d97897f3ac02554dfb71cca749ef3a
diff --git a/drivers/cavium-pro/BUCK b/drivers/cavium-pro/BUCK
new file mode 100644
index 0000000..e082653
--- /dev/null
+++ b/drivers/cavium-pro/BUCK
@@ -0,0 +1,25 @@
+COMPILE_DEPS = [
+    '//lib:CORE_DEPS',
+    '//drivers/p4runtime:onos-drivers-p4runtime',
+]
+
+BUNDLES = [
+    ':onos-drivers-cavium-pro',
+]
+
+osgi_jar(
+    deps = COMPILE_DEPS,
+)
+
+onos_app(
+    app_name = 'org.onosproject.drivers.cavium-pro',
+    title = 'Cavium PRO Drivers',
+    category = 'Drivers',
+    url = 'http://onosproject.org',
+    description = 'Adds support for Cavium XPliant-based devices using P4Runtime',
+    included_bundles = BUNDLES,
+    required_apps = [
+        'org.onosproject.drivers.p4runtime',
+        'org.onosproject.pipelines.fabric',
+    ],
+)
diff --git a/drivers/cavium-pro/src/main/java/org/onosproject/drivers/cavium/pro/CaviumProDriversLoader.java b/drivers/cavium-pro/src/main/java/org/onosproject/drivers/cavium/pro/CaviumProDriversLoader.java
new file mode 100644
index 0000000..0e124ac
--- /dev/null
+++ b/drivers/cavium-pro/src/main/java/org/onosproject/drivers/cavium/pro/CaviumProDriversLoader.java
@@ -0,0 +1,31 @@
+/*
+ * Copyright 2018-present Open Networking Foundation
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package org.onosproject.drivers.cavium.pro;
+
+import org.apache.felix.scr.annotations.Component;
+import org.onosproject.net.driver.AbstractDriverLoader;
+
+/**
+ * Loader for the Cavium PRO device drivers.
+ */
+@Component(immediate = true)
+public class CaviumProDriversLoader extends AbstractDriverLoader {
+
+    public CaviumProDriversLoader() {
+        super("/cavium-pro-drivers.xml");
+    }
+}
diff --git a/drivers/cavium-pro/src/main/java/org/onosproject/drivers/cavium/pro/XpliantProPipelineProgrammable.java b/drivers/cavium-pro/src/main/java/org/onosproject/drivers/cavium/pro/XpliantProPipelineProgrammable.java
new file mode 100644
index 0000000..5f21751
--- /dev/null
+++ b/drivers/cavium-pro/src/main/java/org/onosproject/drivers/cavium/pro/XpliantProPipelineProgrammable.java
@@ -0,0 +1,57 @@
+/*
+ * Copyright 2018-present Open Networking Foundation
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package org.onosproject.drivers.cavium.pro;
+
+import org.onosproject.drivers.p4runtime.AbstractP4RuntimePipelineProgrammable;
+import org.onosproject.net.behaviour.PiPipelineProgrammable;
+import org.onosproject.net.pi.model.PiPipeconf;
+import org.onosproject.net.pi.model.PiPipeconfId;
+import org.onosproject.net.pi.service.PiPipeconfService;
+
+import java.nio.ByteBuffer;
+import java.util.Optional;
+
+import static com.google.common.base.Preconditions.checkArgument;
+import static java.lang.String.format;
+
+/**
+ * Implementation of the PiPipelineProgrammable behaviour for a Xpliant-based
+ * switch.
+ */
+public class XpliantProPipelineProgrammable
+        extends AbstractP4RuntimePipelineProgrammable
+        implements PiPipelineProgrammable {
+
+    private static final PiPipeconfId FABRIC_PIPECONF_ID =
+            new PiPipeconfId("org.onosproject.pipelines.fabric");
+
+    @Override
+    public ByteBuffer createDeviceDataBuffer(PiPipeconf pipeconf) {
+        checkArgument(pipeconf.id().equals(FABRIC_PIPECONF_ID),
+                      format("Cannot program XPliant device with a pipeconf " +
+                                     "other than '%s' (found '%s')",
+                             FABRIC_PIPECONF_ID, pipeconf.id()));
+        // [MWC-2018] Dummy value. The chip is already configured with fabric.p4
+        return ByteBuffer.allocate(1).put((byte) 1);
+    }
+
+    @Override
+    public Optional<PiPipeconf> getDefaultPipeconf() {
+        return handler().get(PiPipeconfService.class)
+                .getPipeconf(FABRIC_PIPECONF_ID);
+    }
+}
diff --git a/drivers/cavium-pro/src/main/java/org/onosproject/drivers/cavium/pro/package-info.java b/drivers/cavium-pro/src/main/java/org/onosproject/drivers/cavium/pro/package-info.java
new file mode 100644
index 0000000..079409f
--- /dev/null
+++ b/drivers/cavium-pro/src/main/java/org/onosproject/drivers/cavium/pro/package-info.java
@@ -0,0 +1,20 @@
+/*
+ * Copyright 2018-present Open Networking Foundation
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+/**
+ * Package for Cavium PRO device drivers.
+ */
+package org.onosproject.drivers.cavium.pro;
diff --git a/drivers/cavium-pro/src/main/resources/cavium-pro-drivers.xml b/drivers/cavium-pro/src/main/resources/cavium-pro-drivers.xml
new file mode 100644
index 0000000..e9845a9
--- /dev/null
+++ b/drivers/cavium-pro/src/main/resources/cavium-pro-drivers.xml
@@ -0,0 +1,23 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<!--
+  ~ Copyright 2018-present Open Networking Foundation
+  ~
+  ~ Licensed under the Apache License, Version 2.0 (the "License");
+  ~ you may not use this file except in compliance with the License.
+  ~ You may obtain a copy of the License at
+  ~
+  ~     http://www.apache.org/licenses/LICENSE-2.0
+  ~
+  ~ Unless required by applicable law or agreed to in writing, software
+  ~ distributed under the License is distributed on an "AS IS" BASIS,
+  ~ WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+  ~ See the License for the specific language governing permissions and
+  ~ limitations under the License.
+  -->
+<drivers>
+    <driver name="cavium-pro" manufacturer="Cavium" hwVersion="1.0" swVersion="1.0" extends="p4runtime">
+        <behaviour api="org.onosproject.net.behaviour.PiPipelineProgrammable"
+                   impl="org.onosproject.drivers.cavium.pro.XpliantProPipelineProgrammable"/>
+    </driver>
+</drivers>
+
diff --git a/mwc.defs b/mwc.defs
index 2eb36ad..a7312a7 100644
--- a/mwc.defs
+++ b/mwc.defs
@@ -3,6 +3,7 @@
 MWC_APPS = [
     '//pipelines/fabric-pro:onos-pipelines-fabric-pro-oar',
     '//drivers/barefoot-pro:onos-drivers-barefoot-pro-oar',
+    '//drivers/cavium-pro:onos-drivers-cavium-pro-oar',
 ]
 
 APPS = APPS + MWC_APPS