commit caac147d01566b75c3a8ec0f5d4e8ef577f6ba4e
author Matt Buckley <mattbuckley@google.com> Tue Dec 12 03:55:50 2023 +0000
committer Matt Buckley <mattbuckley@google.com> Thu Dec 14 23:00:22 2023 +0000
tree 36d5389e4f413497debdf1d8bfc5c2fd4ea7b0b0
parent d7ddd9743c2c3054a81de83a5182c6524ff23e61

Add AIDL API for PowerHAL to send session updates with FMQ

This patch adds a set of APIs to PowerHAL to enable hint session
communication via FMQ, to reduce both binder overhead and call latency
moving forward.

Bug: 315894228
Test: atest VtsHalPowerTargetTest
Change-Id: I56f89322c7706ab68e640542caf5b70eef36c451

power/aidl/default/Power.h

diff --git a/power/aidl/default/Power.h b/power/aidl/default/Power.h
index 7f8405e..baabaa7 100644
--- a/power/aidl/default/Power.h
+++ b/power/aidl/default/Power.h
@@ -17,6 +17,7 @@
 #pragma once
 
 #include <aidl/android/hardware/power/BnPower.h>
+#include "aidl/android/hardware/power/SessionTag.h"
 
 namespace aidl {
 namespace android {
@@ -35,7 +36,14 @@
                                          const std::vector<int32_t>& threadIds,
                                          int64_t durationNanos,
                                          std::shared_ptr<IPowerHintSession>* _aidl_return) override;
+    ndk::ScopedAStatus createHintSessionWithConfig(
+            int32_t tgid, int32_t uid, const std::vector<int32_t>& threadIds, int64_t durationNanos,
+            SessionTag tag, SessionConfig* config,
+            std::shared_ptr<IPowerHintSession>* _aidl_return) override;
     ndk::ScopedAStatus getHintSessionPreferredRate(int64_t* outNanoseconds) override;
+    ndk::ScopedAStatus getSessionChannel(int32_t tgid, int32_t uid,
+                                         ChannelConfig* _aidl_return) override;
+    ndk::ScopedAStatus closeSessionChannel(int32_t tgid, int32_t uid) override;
 
   private:
     std::vector<std::shared_ptr<IPowerHintSession>> mPowerHintSessions;