Initial commit for the HIDL Context Hub HAL
Initial commit for the context hub Hal. At this point it is
largely a refactoring of the older HAL with some new abstractions.
Test: Make completes successfully
Change-Id: Ieac4b20403e6e0b3966a4f5570fbbba7151e783b
diff --git a/contexthub/1.0/IContexthubCallback.hal b/contexthub/1.0/IContexthubCallback.hal
new file mode 100644
index 0000000..29c41ce
--- /dev/null
+++ b/contexthub/1.0/IContexthubCallback.hal
@@ -0,0 +1,62 @@
+/*
+ * Copyright (C) 2016 The Android Open Source Project
+ *
+ * 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 android.hardware.contexthub@1.0;
+
+interface IContexthubCallback {
+ /*
+ * This callback is passed by the Contexthub service to the HAL
+ * implementation to allow the HAL to send asynchronous messages back
+ * to the service and registered clients of the ContextHub service.
+ *
+ * @params hubId : identifier of the hub calling callback
+ * msg : message
+ *
+ */
+ handleClientMsg(uint32_t hubId, ContextHubMsg msg);
+
+ /*
+ * This callback is passed by the Contexthub service to the HAL
+ * implementation to allow the HAL to send the response for a
+ * transaction.
+ *
+ * @params hubId : identifier of the hub calling callback
+ * txnId : transaction id whose result is being sent
+ * passed in by the service at start of transacation.
+ * result: result of transaction.
+ *
+ */
+ handleTxnResult(uint32_t hubId, uint32_t txnId,
+ TransactionResult result);
+
+ /*
+ * This callback is passed by the Contexthub service to the HAL
+ * implementation to allow the HAL to send an asynchronous event
+ * to the ContextHub service.
+ *
+ * @params hubId : identifier of the hub calling callback
+ * msg : message
+ *
+ */
+ handleHubEvent(uint32_t hubId, AsyncEventType evt);
+
+ /*
+ * This callback is passed by the Contexthub service to the HAL
+ * implementation to allow the HAL to send information about the
+ * currently loaded and active nanoapps on the hub.
+ */
+ handleAppsInfo(uint32_t hubId, vec<HubAppInfo> appInfo);
+};