1 /*
2  * Copyright 2019 The Android Open Source Project
3  *
4  * Licensed under the Apache License, Version 2.0 (the "License");
5  * you may not use this file except in compliance with the License.
6  * You may obtain a copy of the License at
7  *
8  *      http://www.apache.org/licenses/LICENSE-2.0
9  *
10  * Unless required by applicable law or agreed to in writing, software
11  * distributed under the License is distributed on an "AS IS" BASIS,
12  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13  * See the License for the specific language governing permissions and
14  * limitations under the License.
15  */
16 
17 #pragma once
18 
19 #include <vector>
20 
21 #include <binder/IInterface.h>
22 #include <cutils/compiler.h>
23 #include <graphicsenv/GpuStatsInfo.h>
24 #include <graphicsenv/GraphicsEnv.h>
25 
26 namespace android {
27 
28 /*
29  * This class defines the Binder IPC interface for GPU-related queries and
30  * control.
31  */
32 class IGpuService : public IInterface {
33 public:
34     DECLARE_META_INTERFACE(GpuService)
35 
36     // set GPU stats from GraphicsEnvironment.
37     virtual void setGpuStats(const std::string& driverPackageName,
38                              const std::string& driverVersionName, uint64_t driverVersionCode,
39                              int64_t driverBuildTime, const std::string& appPackageName,
40                              const int32_t vulkanVersion, GraphicsEnv::Driver driver,
41                              bool isDriverLoaded, int64_t driverLoadingTime) = 0;
42 
43     // set target stats.
44     virtual void setTargetStats(const std::string& appPackageName, const uint64_t driverVersionCode,
45                                 const GraphicsEnv::Stats stats, const uint64_t value = 0) = 0;
46 
47     // get GPU global stats from GpuStats module.
48     virtual status_t getGpuStatsGlobalInfo(std::vector<GpuStatsGlobalInfo>* outStats) const = 0;
49 
50     // get GPU app stats from GpuStats module.
51     virtual status_t getGpuStatsAppInfo(std::vector<GpuStatsAppInfo>* outStats) const = 0;
52 };
53 
54 class BnGpuService : public BnInterface<IGpuService> {
55 public:
56     enum IGpuServiceTag {
57         SET_GPU_STATS = IBinder::FIRST_CALL_TRANSACTION,
58         GET_GPU_STATS_GLOBAL_INFO,
59         GET_GPU_STATS_APP_INFO,
60         SET_TARGET_STATS,
61         // Always append new enum to the end.
62     };
63 
64     status_t onTransact(uint32_t code, const Parcel& data, Parcel* reply,
65                         uint32_t flags = 0) override;
66 
67 protected:
68     virtual status_t shellCommand(int in, int out, int err, std::vector<String16>& args) = 0;
69 };
70 
71 } // namespace android
72