Merge "Automotive: Disable software.managed_users feature for all"
diff --git a/libs/binder/Android.bp b/libs/binder/Android.bp
index f60b32e..b2ea441 100644
--- a/libs/binder/Android.bp
+++ b/libs/binder/Android.bp
@@ -202,7 +202,6 @@
     sanitize: {
         misc_undefined: ["integer"],
     },
-    min_sdk_version: "30",
 
     tidy: true,
     tidy_flags: [
diff --git a/libs/binder/IPCThreadState.cpp b/libs/binder/IPCThreadState.cpp
index 55d3d70..13f0a4c 100644
--- a/libs/binder/IPCThreadState.cpp
+++ b/libs/binder/IPCThreadState.cpp
@@ -352,11 +352,6 @@
     return gDisableBackgroundScheduling.load(std::memory_order_relaxed);
 }
 
-sp<ProcessState> IPCThreadState::process()
-{
-    return mProcess;
-}
-
 status_t IPCThreadState::clearLastError()
 {
     const status_t err = mLastError;
diff --git a/libs/binder/RpcServer.cpp b/libs/binder/RpcServer.cpp
index 93ed50e..ace5cd5 100644
--- a/libs/binder/RpcServer.cpp
+++ b/libs/binder/RpcServer.cpp
@@ -287,8 +287,8 @@
 
     RpcConnectionHeader header;
     if (status == OK) {
-        status = client->interruptableReadFully(server->mShutdownTrigger.get(), &header,
-                                                sizeof(header), {});
+        iovec iov{&header, sizeof(header)};
+        status = client->interruptableReadFully(server->mShutdownTrigger.get(), &iov, 1, {});
         if (status != OK) {
             ALOGE("Failed to read ID for client connecting to RPC server: %s",
                   statusToString(status).c_str());
@@ -301,8 +301,9 @@
         if (header.sessionIdSize > 0) {
             if (header.sessionIdSize == kSessionIdBytes) {
                 sessionId.resize(header.sessionIdSize);
-                status = client->interruptableReadFully(server->mShutdownTrigger.get(),
-                                                        sessionId.data(), sessionId.size(), {});
+                iovec iov{sessionId.data(), sessionId.size()};
+                status =
+                        client->interruptableReadFully(server->mShutdownTrigger.get(), &iov, 1, {});
                 if (status != OK) {
                     ALOGE("Failed to read session ID for client connecting to RPC server: %s",
                           statusToString(status).c_str());
@@ -331,8 +332,8 @@
                     .version = protocolVersion,
             };
 
-            status = client->interruptableWriteFully(server->mShutdownTrigger.get(), &response,
-                                                     sizeof(response), {});
+            iovec iov{&response, sizeof(response)};
+            status = client->interruptableWriteFully(server->mShutdownTrigger.get(), &iov, 1, {});
             if (status != OK) {
                 ALOGE("Failed to send new session response: %s", statusToString(status).c_str());
                 // still need to cleanup before we can return
diff --git a/libs/binder/RpcSession.cpp b/libs/binder/RpcSession.cpp
index a5a2bb1..b84395e 100644
--- a/libs/binder/RpcSession.cpp
+++ b/libs/binder/RpcSession.cpp
@@ -615,8 +615,9 @@
         header.options |= RPC_CONNECTION_OPTION_INCOMING;
     }
 
+    iovec headerIov{&header, sizeof(header)};
     auto sendHeaderStatus =
-            server->interruptableWriteFully(mShutdownTrigger.get(), &header, sizeof(header), {});
+            server->interruptableWriteFully(mShutdownTrigger.get(), &headerIov, 1, {});
     if (sendHeaderStatus != OK) {
         ALOGE("Could not write connection header to socket: %s",
               statusToString(sendHeaderStatus).c_str());
@@ -624,9 +625,10 @@
     }
 
     if (sessionId.size() > 0) {
+        iovec sessionIov{const_cast<void*>(static_cast<const void*>(sessionId.data())),
+                         sessionId.size()};
         auto sendSessionIdStatus =
-                server->interruptableWriteFully(mShutdownTrigger.get(), sessionId.data(),
-                                                sessionId.size(), {});
+                server->interruptableWriteFully(mShutdownTrigger.get(), &sessionIov, 1, {});
         if (sendSessionIdStatus != OK) {
             ALOGE("Could not write session ID ('%s') to socket: %s",
                   base::HexString(sessionId.data(), sessionId.size()).c_str(),
diff --git a/libs/binder/RpcState.cpp b/libs/binder/RpcState.cpp
index 09b3d68..6286c9c 100644
--- a/libs/binder/RpcState.cpp
+++ b/libs/binder/RpcState.cpp
@@ -19,6 +19,7 @@
 #include "RpcState.h"
 
 #include <android-base/hex.h>
+#include <android-base/macros.h>
 #include <android-base/scopeguard.h>
 #include <binder/BpBinder.h>
 #include <binder/IPCThreadState.h>
@@ -309,22 +310,18 @@
 }
 
 status_t RpcState::rpcSend(const sp<RpcSession::RpcConnection>& connection,
-                           const sp<RpcSession>& session, const char* what, const void* data,
-                           size_t size, const std::function<status_t()>& altPoll) {
-    LOG_RPC_DETAIL("Sending %s on RpcTransport %p: %s", what, connection->rpcTransport.get(),
-                   android::base::HexString(data, size).c_str());
-
-    if (size > std::numeric_limits<ssize_t>::max()) {
-        ALOGE("Cannot send %s at size %zu (too big)", what, size);
-        (void)session->shutdownAndWait(false);
-        return BAD_VALUE;
+                           const sp<RpcSession>& session, const char* what, iovec* iovs,
+                           size_t niovs, const std::function<status_t()>& altPoll) {
+    for (size_t i = 0; i < niovs; i++) {
+        LOG_RPC_DETAIL("Sending %s on RpcTransport %p: %s", what, connection->rpcTransport.get(),
+                       android::base::HexString(iovs[i].iov_base, iovs[i].iov_len).c_str());
     }
 
     if (status_t status =
                 connection->rpcTransport->interruptableWriteFully(session->mShutdownTrigger.get(),
-                                                                  data, size, altPoll);
+                                                                  iovs, niovs, altPoll);
         status != OK) {
-        LOG_RPC_DETAIL("Failed to write %s (%zu bytes) on RpcTransport %p, error: %s", what, size,
+        LOG_RPC_DETAIL("Failed to write %s (%zu iovs) on RpcTransport %p, error: %s", what, niovs,
                        connection->rpcTransport.get(), statusToString(status).c_str());
         (void)session->shutdownAndWait(false);
         return status;
@@ -334,34 +331,30 @@
 }
 
 status_t RpcState::rpcRec(const sp<RpcSession::RpcConnection>& connection,
-                          const sp<RpcSession>& session, const char* what, void* data,
-                          size_t size) {
-    if (size > std::numeric_limits<ssize_t>::max()) {
-        ALOGE("Cannot rec %s at size %zu (too big)", what, size);
-        (void)session->shutdownAndWait(false);
-        return BAD_VALUE;
-    }
-
+                          const sp<RpcSession>& session, const char* what, iovec* iovs,
+                          size_t niovs) {
     if (status_t status =
                 connection->rpcTransport->interruptableReadFully(session->mShutdownTrigger.get(),
-                                                                 data, size, {});
+                                                                 iovs, niovs, {});
         status != OK) {
-        LOG_RPC_DETAIL("Failed to read %s (%zu bytes) on RpcTransport %p, error: %s", what, size,
+        LOG_RPC_DETAIL("Failed to read %s (%zu iovs) on RpcTransport %p, error: %s", what, niovs,
                        connection->rpcTransport.get(), statusToString(status).c_str());
         (void)session->shutdownAndWait(false);
         return status;
     }
 
-    LOG_RPC_DETAIL("Received %s on RpcTransport %p: %s", what, connection->rpcTransport.get(),
-                   android::base::HexString(data, size).c_str());
+    for (size_t i = 0; i < niovs; i++) {
+        LOG_RPC_DETAIL("Received %s on RpcTransport %p: %s", what, connection->rpcTransport.get(),
+                       android::base::HexString(iovs[i].iov_base, iovs[i].iov_len).c_str());
+    }
     return OK;
 }
 
 status_t RpcState::readNewSessionResponse(const sp<RpcSession::RpcConnection>& connection,
                                           const sp<RpcSession>& session, uint32_t* version) {
     RpcNewSessionResponse response;
-    if (status_t status =
-                rpcRec(connection, session, "new session response", &response, sizeof(response));
+    iovec iov{&response, sizeof(response)};
+    if (status_t status = rpcRec(connection, session, "new session response", &iov, 1);
         status != OK) {
         return status;
     }
@@ -374,14 +367,15 @@
     RpcOutgoingConnectionInit init{
             .msg = RPC_CONNECTION_INIT_OKAY,
     };
-    return rpcSend(connection, session, "connection init", &init, sizeof(init));
+    iovec iov{&init, sizeof(init)};
+    return rpcSend(connection, session, "connection init", &iov, 1);
 }
 
 status_t RpcState::readConnectionInit(const sp<RpcSession::RpcConnection>& connection,
                                       const sp<RpcSession>& session) {
     RpcOutgoingConnectionInit init;
-    if (status_t status = rpcRec(connection, session, "connection init", &init, sizeof(init));
-        status != OK)
+    iovec iov{&init, sizeof(init)};
+    if (status_t status = rpcRec(connection, session, "connection init", &iov, 1); status != OK)
         return status;
 
     static_assert(sizeof(init.msg) == sizeof(RPC_CONNECTION_INIT_OKAY));
@@ -514,17 +508,6 @@
             .flags = flags,
             .asyncNumber = asyncNumber,
     };
-    CommandData transactionData(sizeof(RpcWireHeader) + sizeof(RpcWireTransaction) +
-                                data.dataSize());
-    if (!transactionData.valid()) {
-        return NO_MEMORY;
-    }
-
-    memcpy(transactionData.data() + 0, &command, sizeof(RpcWireHeader));
-    memcpy(transactionData.data() + sizeof(RpcWireHeader), &transaction,
-           sizeof(RpcWireTransaction));
-    memcpy(transactionData.data() + sizeof(RpcWireHeader) + sizeof(RpcWireTransaction), data.data(),
-           data.dataSize());
 
     constexpr size_t kWaitMaxUs = 1000000;
     constexpr size_t kWaitLogUs = 10000;
@@ -550,8 +533,13 @@
         return drainCommands(connection, session, CommandType::CONTROL_ONLY);
     };
 
-    if (status_t status = rpcSend(connection, session, "transaction", transactionData.data(),
-                                  transactionData.size(), drainRefs);
+    iovec iovs[]{
+            {&command, sizeof(RpcWireHeader)},
+            {&transaction, sizeof(RpcWireTransaction)},
+            {const_cast<uint8_t*>(data.data()), data.dataSize()},
+    };
+    if (status_t status =
+                rpcSend(connection, session, "transaction", iovs, arraysize(iovs), drainRefs);
         status != OK) {
         // TODO(b/167966510): need to undo onBinderLeaving - we know the
         // refcount isn't successfully transferred.
@@ -584,8 +572,8 @@
                                 const sp<RpcSession>& session, Parcel* reply) {
     RpcWireHeader command;
     while (true) {
-        if (status_t status = rpcRec(connection, session, "command header (for reply)", &command,
-                                     sizeof(command));
+        iovec iov{&command, sizeof(command)};
+        if (status_t status = rpcRec(connection, session, "command header (for reply)", &iov, 1);
             status != OK)
             return status;
 
@@ -599,8 +587,8 @@
     CommandData data(command.bodySize);
     if (!data.valid()) return NO_MEMORY;
 
-    if (status_t status = rpcRec(connection, session, "reply body", data.data(), command.bodySize);
-        status != OK)
+    iovec iov{data.data(), command.bodySize};
+    if (status_t status = rpcRec(connection, session, "reply body", &iov, 1); status != OK)
         return status;
 
     if (command.bodySize < sizeof(RpcWireReply)) {
@@ -653,11 +641,8 @@
             .command = RPC_COMMAND_DEC_STRONG,
             .bodySize = sizeof(RpcDecStrong),
     };
-    if (status_t status = rpcSend(connection, session, "dec ref header", &cmd, sizeof(cmd));
-        status != OK)
-        return status;
-
-    return rpcSend(connection, session, "dec ref body", &body, sizeof(body));
+    iovec iovs[]{{&cmd, sizeof(cmd)}, {&body, sizeof(body)}};
+    return rpcSend(connection, session, "dec ref", iovs, arraysize(iovs));
 }
 
 status_t RpcState::getAndExecuteCommand(const sp<RpcSession::RpcConnection>& connection,
@@ -665,8 +650,8 @@
     LOG_RPC_DETAIL("getAndExecuteCommand on RpcTransport %p", connection->rpcTransport.get());
 
     RpcWireHeader command;
-    if (status_t status = rpcRec(connection, session, "command header (for server)", &command,
-                                 sizeof(command));
+    iovec iov{&command, sizeof(command)};
+    if (status_t status = rpcRec(connection, session, "command header (for server)", &iov, 1);
         status != OK)
         return status;
 
@@ -726,9 +711,8 @@
     if (!transactionData.valid()) {
         return NO_MEMORY;
     }
-    if (status_t status = rpcRec(connection, session, "transaction body", transactionData.data(),
-                                 transactionData.size());
-        status != OK)
+    iovec iov{transactionData.data(), transactionData.size()};
+    if (status_t status = rpcRec(connection, session, "transaction body", &iov, 1); status != OK)
         return status;
 
     return processTransactInternal(connection, session, std::move(transactionData));
@@ -965,16 +949,12 @@
             .status = replyStatus,
     };
 
-    CommandData replyData(sizeof(RpcWireHeader) + sizeof(RpcWireReply) + reply.dataSize());
-    if (!replyData.valid()) {
-        return NO_MEMORY;
-    }
-    memcpy(replyData.data() + 0, &cmdReply, sizeof(RpcWireHeader));
-    memcpy(replyData.data() + sizeof(RpcWireHeader), &rpcReply, sizeof(RpcWireReply));
-    memcpy(replyData.data() + sizeof(RpcWireHeader) + sizeof(RpcWireReply), reply.data(),
-           reply.dataSize());
-
-    return rpcSend(connection, session, "reply", replyData.data(), replyData.size());
+    iovec iovs[]{
+            {&cmdReply, sizeof(RpcWireHeader)},
+            {&rpcReply, sizeof(RpcWireReply)},
+            {const_cast<uint8_t*>(reply.data()), reply.dataSize()},
+    };
+    return rpcSend(connection, session, "reply", iovs, arraysize(iovs));
 }
 
 status_t RpcState::processDecStrong(const sp<RpcSession::RpcConnection>& connection,
@@ -985,9 +965,8 @@
     if (!commandData.valid()) {
         return NO_MEMORY;
     }
-    if (status_t status =
-                rpcRec(connection, session, "dec ref body", commandData.data(), commandData.size());
-        status != OK)
+    iovec iov{commandData.data(), commandData.size()};
+    if (status_t status = rpcRec(connection, session, "dec ref body", &iov, 1); status != OK)
         return status;
 
     if (command.bodySize != sizeof(RpcDecStrong)) {
diff --git a/libs/binder/RpcState.h b/libs/binder/RpcState.h
index dba0a43..5cad394 100644
--- a/libs/binder/RpcState.h
+++ b/libs/binder/RpcState.h
@@ -24,6 +24,8 @@
 #include <optional>
 #include <queue>
 
+#include <sys/uio.h>
+
 namespace android {
 
 struct RpcWireHeader;
@@ -177,12 +179,12 @@
     };
 
     [[nodiscard]] status_t rpcSend(const sp<RpcSession::RpcConnection>& connection,
-                                   const sp<RpcSession>& session, const char* what,
-                                   const void* data, size_t size,
+                                   const sp<RpcSession>& session, const char* what, iovec* iovs,
+                                   size_t niovs,
                                    const std::function<status_t()>& altPoll = nullptr);
     [[nodiscard]] status_t rpcRec(const sp<RpcSession::RpcConnection>& connection,
-                                  const sp<RpcSession>& session, const char* what, void* data,
-                                  size_t size);
+                                  const sp<RpcSession>& session, const char* what, iovec* iovs,
+                                  size_t niovs);
 
     [[nodiscard]] status_t waitForReply(const sp<RpcSession::RpcConnection>& connection,
                                         const sp<RpcSession>& session, Parcel* reply);
diff --git a/libs/binder/RpcTransportRaw.cpp b/libs/binder/RpcTransportRaw.cpp
index 7669518..2182e18 100644
--- a/libs/binder/RpcTransportRaw.cpp
+++ b/libs/binder/RpcTransportRaw.cpp
@@ -43,12 +43,10 @@
         return ret;
     }
 
-    template <typename Buffer, typename SendOrReceive>
-    status_t interruptableReadOrWrite(FdTrigger* fdTrigger, Buffer buffer, size_t size,
+    template <typename SendOrReceive>
+    status_t interruptableReadOrWrite(FdTrigger* fdTrigger, iovec* iovs, size_t niovs,
                                       SendOrReceive sendOrReceiveFun, const char* funName,
                                       int16_t event, const std::function<status_t()>& altPoll) {
-        const Buffer end = buffer + size;
-
         MAYBE_WAIT_IN_FLAKE_MODE;
 
         // Since we didn't poll, we need to manually check to see if it was triggered. Otherwise, we
@@ -57,26 +55,61 @@
             return DEAD_OBJECT;
         }
 
+        // If iovs has one or more empty vectors at the end and
+        // we somehow advance past all the preceding vectors and
+        // pass some or all of the empty ones to sendmsg/recvmsg,
+        // the call will return processSize == 0. In that case
+        // we should be returning OK but instead return DEAD_OBJECT.
+        // To avoid this problem, we make sure here that the last
+        // vector at iovs[niovs - 1] has a non-zero length.
+        while (niovs > 0 && iovs[niovs - 1].iov_len == 0) {
+            niovs--;
+        }
+        if (niovs == 0) {
+            // The vectors are all empty, so we have nothing to send.
+            return OK;
+        }
+
         bool havePolled = false;
         while (true) {
-            ssize_t processSize = TEMP_FAILURE_RETRY(
-                    sendOrReceiveFun(mSocket.get(), buffer, end - buffer, MSG_NOSIGNAL));
+            msghdr msg{
+                    .msg_iov = iovs,
+                    .msg_iovlen = niovs,
+            };
+            ssize_t processSize =
+                    TEMP_FAILURE_RETRY(sendOrReceiveFun(mSocket.get(), &msg, MSG_NOSIGNAL));
 
             if (processSize < 0) {
                 int savedErrno = errno;
 
                 // Still return the error on later passes, since it would expose
                 // a problem with polling
-                if (havePolled ||
-                    (!havePolled && savedErrno != EAGAIN && savedErrno != EWOULDBLOCK)) {
+                if (havePolled || (savedErrno != EAGAIN && savedErrno != EWOULDBLOCK)) {
                     LOG_RPC_DETAIL("RpcTransport %s(): %s", funName, strerror(savedErrno));
                     return -savedErrno;
                 }
             } else if (processSize == 0) {
                 return DEAD_OBJECT;
             } else {
-                buffer += processSize;
-                if (buffer == end) {
+                while (processSize > 0 && niovs > 0) {
+                    auto& iov = iovs[0];
+                    if (static_cast<size_t>(processSize) < iov.iov_len) {
+                        // Advance the base of the current iovec
+                        iov.iov_base = reinterpret_cast<char*>(iov.iov_base) + processSize;
+                        iov.iov_len -= processSize;
+                        break;
+                    }
+
+                    // The current iovec was fully written
+                    processSize -= iov.iov_len;
+                    iovs++;
+                    niovs--;
+                }
+                if (niovs == 0) {
+                    LOG_ALWAYS_FATAL_IF(processSize > 0,
+                                        "Reached the end of iovecs "
+                                        "with %zd bytes remaining",
+                                        processSize);
                     return OK;
                 }
             }
@@ -95,16 +128,16 @@
         }
     }
 
-    status_t interruptableWriteFully(FdTrigger* fdTrigger, const void* data, size_t size,
+    status_t interruptableWriteFully(FdTrigger* fdTrigger, iovec* iovs, size_t niovs,
                                      const std::function<status_t()>& altPoll) override {
-        return interruptableReadOrWrite(fdTrigger, reinterpret_cast<const uint8_t*>(data), size,
-                                        send, "send", POLLOUT, altPoll);
+        return interruptableReadOrWrite(fdTrigger, iovs, niovs, sendmsg, "sendmsg", POLLOUT,
+                                        altPoll);
     }
 
-    status_t interruptableReadFully(FdTrigger* fdTrigger, void* data, size_t size,
+    status_t interruptableReadFully(FdTrigger* fdTrigger, iovec* iovs, size_t niovs,
                                     const std::function<status_t()>& altPoll) override {
-        return interruptableReadOrWrite(fdTrigger, reinterpret_cast<uint8_t*>(data), size, recv,
-                                        "recv", POLLIN, altPoll);
+        return interruptableReadOrWrite(fdTrigger, iovs, niovs, recvmsg, "recvmsg", POLLIN,
+                                        altPoll);
     }
 
 private:
diff --git a/libs/binder/RpcTransportTls.cpp b/libs/binder/RpcTransportTls.cpp
index 7f810b1..c05ea15 100644
--- a/libs/binder/RpcTransportTls.cpp
+++ b/libs/binder/RpcTransportTls.cpp
@@ -275,9 +275,9 @@
     RpcTransportTls(android::base::unique_fd socket, Ssl ssl)
           : mSocket(std::move(socket)), mSsl(std::move(ssl)) {}
     Result<size_t> peek(void* buf, size_t size) override;
-    status_t interruptableWriteFully(FdTrigger* fdTrigger, const void* data, size_t size,
+    status_t interruptableWriteFully(FdTrigger* fdTrigger, iovec* iovs, size_t niovs,
                                      const std::function<status_t()>& altPoll) override;
-    status_t interruptableReadFully(FdTrigger* fdTrigger, void* data, size_t size,
+    status_t interruptableReadFully(FdTrigger* fdTrigger, iovec* iovs, size_t niovs,
                                     const std::function<status_t()>& altPoll) override;
 
 private:
@@ -303,68 +303,83 @@
     return ret;
 }
 
-status_t RpcTransportTls::interruptableWriteFully(FdTrigger* fdTrigger, const void* data,
-                                                  size_t size,
+status_t RpcTransportTls::interruptableWriteFully(FdTrigger* fdTrigger, iovec* iovs, size_t niovs,
                                                   const std::function<status_t()>& altPoll) {
-    auto buffer = reinterpret_cast<const uint8_t*>(data);
-    const uint8_t* end = buffer + size;
-
     MAYBE_WAIT_IN_FLAKE_MODE;
 
     // Before doing any I/O, check trigger once. This ensures the trigger is checked at least
     // once. The trigger is also checked via triggerablePoll() after every SSL_write().
     if (fdTrigger->isTriggered()) return DEAD_OBJECT;
 
-    while (buffer < end) {
-        size_t todo = std::min<size_t>(end - buffer, std::numeric_limits<int>::max());
-        auto [writeSize, errorQueue] = mSsl.call(SSL_write, buffer, todo);
-        if (writeSize > 0) {
-            buffer += writeSize;
-            errorQueue.clear();
+    size_t size = 0;
+    for (size_t i = 0; i < niovs; i++) {
+        const iovec& iov = iovs[i];
+        if (iov.iov_len == 0) {
             continue;
         }
-        // SSL_write() should never return 0 unless BIO_write were to return 0.
-        int sslError = mSsl.getError(writeSize);
-        // TODO(b/195788248): BIO should contain the FdTrigger, and send(2) / recv(2) should be
-        //   triggerablePoll()-ed. Then additionalEvent is no longer necessary.
-        status_t pollStatus = errorQueue.pollForSslError(mSocket.get(), sslError, fdTrigger,
-                                                         "SSL_write", POLLIN, altPoll);
-        if (pollStatus != OK) return pollStatus;
-        // Do not advance buffer. Try SSL_write() again.
+        size += iov.iov_len;
+
+        auto buffer = reinterpret_cast<const uint8_t*>(iov.iov_base);
+        const uint8_t* end = buffer + iov.iov_len;
+        while (buffer < end) {
+            size_t todo = std::min<size_t>(end - buffer, std::numeric_limits<int>::max());
+            auto [writeSize, errorQueue] = mSsl.call(SSL_write, buffer, todo);
+            if (writeSize > 0) {
+                buffer += writeSize;
+                errorQueue.clear();
+                continue;
+            }
+            // SSL_write() should never return 0 unless BIO_write were to return 0.
+            int sslError = mSsl.getError(writeSize);
+            // TODO(b/195788248): BIO should contain the FdTrigger, and send(2) / recv(2) should be
+            //   triggerablePoll()-ed. Then additionalEvent is no longer necessary.
+            status_t pollStatus = errorQueue.pollForSslError(mSocket.get(), sslError, fdTrigger,
+                                                             "SSL_write", POLLIN, altPoll);
+            if (pollStatus != OK) return pollStatus;
+            // Do not advance buffer. Try SSL_write() again.
+        }
     }
     LOG_TLS_DETAIL("TLS: Sent %zu bytes!", size);
     return OK;
 }
 
-status_t RpcTransportTls::interruptableReadFully(FdTrigger* fdTrigger, void* data, size_t size,
+status_t RpcTransportTls::interruptableReadFully(FdTrigger* fdTrigger, iovec* iovs, size_t niovs,
                                                  const std::function<status_t()>& altPoll) {
-    auto buffer = reinterpret_cast<uint8_t*>(data);
-    uint8_t* end = buffer + size;
-
     MAYBE_WAIT_IN_FLAKE_MODE;
 
     // Before doing any I/O, check trigger once. This ensures the trigger is checked at least
     // once. The trigger is also checked via triggerablePoll() after every SSL_write().
     if (fdTrigger->isTriggered()) return DEAD_OBJECT;
 
-    while (buffer < end) {
-        size_t todo = std::min<size_t>(end - buffer, std::numeric_limits<int>::max());
-        auto [readSize, errorQueue] = mSsl.call(SSL_read, buffer, todo);
-        if (readSize > 0) {
-            buffer += readSize;
-            errorQueue.clear();
+    size_t size = 0;
+    for (size_t i = 0; i < niovs; i++) {
+        const iovec& iov = iovs[i];
+        if (iov.iov_len == 0) {
             continue;
         }
-        if (readSize == 0) {
-            // SSL_read() only returns 0 on EOF.
-            errorQueue.clear();
-            return DEAD_OBJECT;
+        size += iov.iov_len;
+
+        auto buffer = reinterpret_cast<uint8_t*>(iov.iov_base);
+        const uint8_t* end = buffer + iov.iov_len;
+        while (buffer < end) {
+            size_t todo = std::min<size_t>(end - buffer, std::numeric_limits<int>::max());
+            auto [readSize, errorQueue] = mSsl.call(SSL_read, buffer, todo);
+            if (readSize > 0) {
+                buffer += readSize;
+                errorQueue.clear();
+                continue;
+            }
+            if (readSize == 0) {
+                // SSL_read() only returns 0 on EOF.
+                errorQueue.clear();
+                return DEAD_OBJECT;
+            }
+            int sslError = mSsl.getError(readSize);
+            status_t pollStatus = errorQueue.pollForSslError(mSocket.get(), sslError, fdTrigger,
+                                                             "SSL_read", 0, altPoll);
+            if (pollStatus != OK) return pollStatus;
+            // Do not advance buffer. Try SSL_read() again.
         }
-        int sslError = mSsl.getError(readSize);
-        status_t pollStatus = errorQueue.pollForSslError(mSocket.get(), sslError, fdTrigger,
-                                                         "SSL_read", 0, altPoll);
-        if (pollStatus != OK) return pollStatus;
-        // Do not advance buffer. Try SSL_read() again.
     }
     LOG_TLS_DETAIL("TLS: Received %zu bytes!", size);
     return OK;
diff --git a/libs/binder/include/binder/IPCThreadState.h b/libs/binder/include/binder/IPCThreadState.h
index 82bebc9..bf02099 100644
--- a/libs/binder/include/binder/IPCThreadState.h
+++ b/libs/binder/include/binder/IPCThreadState.h
@@ -54,8 +54,6 @@
     static  status_t            getProcessFreezeInfo(pid_t pid, uint32_t *sync_received,
                                                     uint32_t *async_received);
 
-            sp<ProcessState>    process();
-
             status_t            clearLastError();
 
             /**
diff --git a/libs/binder/include/binder/RpcTransport.h b/libs/binder/include/binder/RpcTransport.h
index db8b5e9..348bfeb 100644
--- a/libs/binder/include/binder/RpcTransport.h
+++ b/libs/binder/include/binder/RpcTransport.h
@@ -28,6 +28,8 @@
 
 #include <binder/RpcCertificateFormat.h>
 
+#include <sys/uio.h>
+
 namespace android {
 
 class FdTrigger;
@@ -44,6 +46,9 @@
     /**
      * Read (or write), but allow to be interrupted by a trigger.
      *
+     * iovs - array of iovecs to perform the operation on. The elements
+     * of the array may be modified by this method.
+     *
      * altPoll - function to be called instead of polling, when needing to wait
      * to read/write data. If this returns an error, that error is returned from
      * this function.
@@ -53,10 +58,10 @@
      *   error - interrupted (failure or trigger)
      */
     [[nodiscard]] virtual status_t interruptableWriteFully(
-            FdTrigger *fdTrigger, const void *buf, size_t size,
+            FdTrigger *fdTrigger, iovec *iovs, size_t niovs,
             const std::function<status_t()> &altPoll) = 0;
     [[nodiscard]] virtual status_t interruptableReadFully(
-            FdTrigger *fdTrigger, void *buf, size_t size,
+            FdTrigger *fdTrigger, iovec *iovs, size_t niovs,
             const std::function<status_t()> &altPoll) = 0;
 
 protected:
diff --git a/libs/binder/tests/binderRpcTest.cpp b/libs/binder/tests/binderRpcTest.cpp
index 5a96b78..ca68b99 100644
--- a/libs/binder/tests/binderRpcTest.cpp
+++ b/libs/binder/tests/binderRpcTest.cpp
@@ -1674,8 +1674,8 @@
         static AssertionResult defaultPostConnect(RpcTransport* serverTransport,
                                                   FdTrigger* fdTrigger) {
             std::string message(kMessage);
-            auto status = serverTransport->interruptableWriteFully(fdTrigger, message.data(),
-                                                                   message.size(), {});
+            iovec messageIov{message.data(), message.size()};
+            auto status = serverTransport->interruptableWriteFully(fdTrigger, &messageIov, 1, {});
             if (status != OK) return AssertionFailure() << statusToString(status);
             return AssertionSuccess();
         }
@@ -1706,9 +1706,9 @@
         AssertionResult readMessage(const std::string& expectedMessage = kMessage) {
             LOG_ALWAYS_FATAL_IF(mClientTransport == nullptr, "setUpTransport not called or failed");
             std::string readMessage(expectedMessage.size(), '\0');
-            status_t readStatus =
-                    mClientTransport->interruptableReadFully(mFdTrigger.get(), readMessage.data(),
-                                                             readMessage.size(), {});
+            iovec readMessageIov{readMessage.data(), readMessage.size()};
+            status_t readStatus = mClientTransport->interruptableReadFully(mFdTrigger.get(),
+                                                                           &readMessageIov, 1, {});
             if (readStatus != OK) {
                 return AssertionFailure() << statusToString(readStatus);
             }
@@ -1902,8 +1902,8 @@
     bool shouldContinueWriting = false;
     auto serverPostConnect = [&](RpcTransport* serverTransport, FdTrigger* fdTrigger) {
         std::string message(RpcTransportTestUtils::kMessage);
-        auto status = serverTransport->interruptableWriteFully(fdTrigger, message.data(),
-                                                               message.size(), {});
+        iovec messageIov{message.data(), message.size()};
+        auto status = serverTransport->interruptableWriteFully(fdTrigger, &messageIov, 1, {});
         if (status != OK) return AssertionFailure() << statusToString(status);
 
         {
@@ -1913,7 +1913,8 @@
             }
         }
 
-        status = serverTransport->interruptableWriteFully(fdTrigger, msg2.data(), msg2.size(), {});
+        iovec msg2Iov{msg2.data(), msg2.size()};
+        status = serverTransport->interruptableWriteFully(fdTrigger, &msg2Iov, 1, {});
         if (status != DEAD_OBJECT)
             return AssertionFailure() << "When FdTrigger is shut down, interruptableWriteFully "
                                          "should return DEAD_OBJECT, but it is "
diff --git a/libs/gui/tests/EndToEndNativeInputTest.cpp b/libs/gui/tests/EndToEndNativeInputTest.cpp
index f960e07..6f1263b 100644
--- a/libs/gui/tests/EndToEndNativeInputTest.cpp
+++ b/libs/gui/tests/EndToEndNativeInputTest.cpp
@@ -46,6 +46,8 @@
 #include <ui/Rect.h>
 #include <ui/Region.h>
 
+#include <private/android_filesystem_config.h>
+
 using android::os::IInputFlinger;
 
 using android::hardware::graphics::common::V1_1::BufferUsage;
@@ -179,6 +181,25 @@
         EXPECT_EQ(flags, mev->getFlags() & flags);
     }
 
+    void expectTapInDisplayCoordinates(int displayX, int displayY) {
+        InputEvent *ev = consumeEvent();
+        ASSERT_NE(ev, nullptr);
+        ASSERT_EQ(AINPUT_EVENT_TYPE_MOTION, ev->getType());
+        MotionEvent *mev = static_cast<MotionEvent *>(ev);
+        EXPECT_EQ(AMOTION_EVENT_ACTION_DOWN, mev->getAction());
+        const PointerCoords &coords = *mev->getRawPointerCoords(0 /*pointerIndex*/);
+        EXPECT_EQ(displayX, coords.getX());
+        EXPECT_EQ(displayY, coords.getY());
+        EXPECT_EQ(0, mev->getFlags() & VERIFIED_MOTION_EVENT_FLAGS);
+
+        ev = consumeEvent();
+        ASSERT_NE(ev, nullptr);
+        ASSERT_EQ(AINPUT_EVENT_TYPE_MOTION, ev->getType());
+        mev = static_cast<MotionEvent *>(ev);
+        EXPECT_EQ(AMOTION_EVENT_ACTION_UP, mev->getAction());
+        EXPECT_EQ(0, mev->getFlags() & VERIFIED_MOTION_EVENT_FLAGS);
+    }
+
     void expectKey(uint32_t keycode) {
         InputEvent *ev = consumeEvent();
         ASSERT_NE(ev, nullptr);
@@ -969,31 +990,96 @@
 class MultiDisplayTests : public InputSurfacesTest {
 public:
     MultiDisplayTests() : InputSurfacesTest() { ProcessState::self()->startThreadPool(); }
-    void TearDown() {
-        if (mVirtualDisplay) {
-            SurfaceComposerClient::destroyDisplay(mVirtualDisplay);
+    void TearDown() override {
+        for (auto &token : mVirtualDisplays) {
+            SurfaceComposerClient::destroyDisplay(token);
         }
         InputSurfacesTest::TearDown();
     }
 
-    void createDisplay(int32_t width, int32_t height, bool isSecure, ui::LayerStack layerStack) {
+    void createDisplay(int32_t width, int32_t height, bool isSecure, ui::LayerStack layerStack,
+                       bool receivesInput = true, int32_t offsetX = 0, int32_t offsetY = 0) {
         sp<IGraphicBufferConsumer> consumer;
-        BufferQueue::createBufferQueue(&mProducer, &consumer);
+        sp<IGraphicBufferProducer> producer;
+        BufferQueue::createBufferQueue(&producer, &consumer);
         consumer->setConsumerName(String8("Virtual disp consumer"));
         consumer->setDefaultBufferSize(width, height);
+        mProducers.push_back(producer);
 
-        mVirtualDisplay = SurfaceComposerClient::createDisplay(String8("VirtualDisplay"), isSecure);
+        std::string name = "VirtualDisplay";
+        name += std::to_string(mVirtualDisplays.size());
+        sp<IBinder> token = SurfaceComposerClient::createDisplay(String8(name.c_str()), isSecure);
         SurfaceComposerClient::Transaction t;
-        t.setDisplaySurface(mVirtualDisplay, mProducer);
-        t.setDisplayFlags(mVirtualDisplay, 0x01 /* DisplayDevice::eReceivesInput */);
-        t.setDisplayLayerStack(mVirtualDisplay, layerStack);
+        t.setDisplaySurface(token, producer);
+        t.setDisplayFlags(token, receivesInput ? 0x01 /* DisplayDevice::eReceivesInput */ : 0);
+        t.setDisplayLayerStack(token, layerStack);
+        t.setDisplayProjection(token, ui::ROTATION_0, {0, 0, width, height},
+                               {offsetX, offsetY, offsetX + width, offsetY + height});
         t.apply(true);
+
+        mVirtualDisplays.push_back(token);
     }
 
-    sp<IBinder> mVirtualDisplay;
-    sp<IGraphicBufferProducer> mProducer;
+    std::vector<sp<IBinder>> mVirtualDisplays;
+    std::vector<sp<IGraphicBufferProducer>> mProducers;
 };
 
+TEST_F(MultiDisplayTests, drop_input_if_layer_on_invalid_display) {
+    ui::LayerStack layerStack = ui::LayerStack::fromValue(42);
+    // Do not create a display associated with the LayerStack.
+    std::unique_ptr<InputSurface> surface = makeSurface(100, 100);
+    surface->doTransaction([&](auto &t, auto &sc) { t.setLayerStack(sc, layerStack); });
+    surface->showAt(100, 100);
+
+    injectTapOnDisplay(101, 101, layerStack.id);
+    surface->requestFocus(layerStack.id);
+    injectKeyOnDisplay(AKEYCODE_V, layerStack.id);
+
+    EXPECT_EQ(surface->consumeEvent(100), nullptr);
+}
+
+TEST_F(MultiDisplayTests, virtual_display_receives_input) {
+    ui::LayerStack layerStack = ui::LayerStack::fromValue(42);
+    createDisplay(1000, 1000, false /*isSecure*/, layerStack);
+    std::unique_ptr<InputSurface> surface = makeSurface(100, 100);
+    surface->doTransaction([&](auto &t, auto &sc) { t.setLayerStack(sc, layerStack); });
+    surface->showAt(100, 100);
+
+    injectTapOnDisplay(101, 101, layerStack.id);
+    surface->expectTap(1, 1);
+
+    surface->requestFocus(layerStack.id);
+    surface->assertFocusChange(true);
+    injectKeyOnDisplay(AKEYCODE_V, layerStack.id);
+    surface->expectKey(AKEYCODE_V);
+}
+
+/**
+ * When multiple DisplayDevices are mapped to the same layerStack, use the configuration for the
+ * display that can receive input.
+ */
+TEST_F(MultiDisplayTests, many_to_one_display_mapping) {
+    ui::LayerStack layerStack = ui::LayerStack::fromValue(42);
+    createDisplay(1000, 1000, false /*isSecure*/, layerStack, false /*receivesInput*/,
+                  100 /*offsetX*/, 100 /*offsetY*/);
+    createDisplay(1000, 1000, false /*isSecure*/, layerStack, true /*receivesInput*/,
+                  200 /*offsetX*/, 200 /*offsetY*/);
+    createDisplay(1000, 1000, false /*isSecure*/, layerStack, false /*receivesInput*/,
+                  300 /*offsetX*/, 300 /*offsetY*/);
+    std::unique_ptr<InputSurface> surface = makeSurface(100, 100);
+    surface->doTransaction([&](auto &t, auto &sc) { t.setLayerStack(sc, layerStack); });
+    surface->showAt(10, 10);
+
+    // Input injection happens in logical display coordinates.
+    injectTapOnDisplay(11, 11, layerStack.id);
+    // Expect that the display transform for the display that receives input was used.
+    surface->expectTapInDisplayCoordinates(211, 211);
+
+    surface->requestFocus(layerStack.id);
+    surface->assertFocusChange(true);
+    injectKeyOnDisplay(AKEYCODE_V, layerStack.id);
+}
+
 TEST_F(MultiDisplayTests, drop_input_for_secure_layer_on_nonsecure_display) {
     ui::LayerStack layerStack = ui::LayerStack::fromValue(42);
     createDisplay(1000, 1000, false /*isSecure*/, layerStack);
@@ -1004,7 +1090,7 @@
     });
     surface->showAt(100, 100);
 
-    injectTap(101, 101);
+    injectTapOnDisplay(101, 101, layerStack.id);
 
     EXPECT_EQ(surface->consumeEvent(100), nullptr);
 
@@ -1016,7 +1102,13 @@
 
 TEST_F(MultiDisplayTests, dont_drop_input_for_secure_layer_on_secure_display) {
     ui::LayerStack layerStack = ui::LayerStack::fromValue(42);
+
+    // Create the secure display as system, because only certain users can create secure displays.
+    seteuid(AID_SYSTEM);
     createDisplay(1000, 1000, true /*isSecure*/, layerStack);
+    // Change the uid back to root.
+    seteuid(AID_ROOT);
+
     std::unique_ptr<InputSurface> surface = makeSurface(100, 100);
     surface->doTransaction([&](auto &t, auto &sc) {
         t.setFlags(sc, layer_state_t::eLayerSecure, layer_state_t::eLayerSecure);
diff --git a/services/inputflinger/tests/InputReader_test.cpp b/services/inputflinger/tests/InputReader_test.cpp
index 41ce116..068e03c 100644
--- a/services/inputflinger/tests/InputReader_test.cpp
+++ b/services/inputflinger/tests/InputReader_test.cpp
@@ -78,6 +78,15 @@
 static constexpr int32_t LIGHT_COLOR = 0x7F448866;
 static constexpr int32_t LIGHT_PLAYER_ID = 2;
 
+static constexpr int32_t ACTION_POINTER_0_DOWN =
+        AMOTION_EVENT_ACTION_POINTER_DOWN | (0 << AMOTION_EVENT_ACTION_POINTER_INDEX_SHIFT);
+static constexpr int32_t ACTION_POINTER_0_UP =
+        AMOTION_EVENT_ACTION_POINTER_UP | (0 << AMOTION_EVENT_ACTION_POINTER_INDEX_SHIFT);
+static constexpr int32_t ACTION_POINTER_1_DOWN =
+        AMOTION_EVENT_ACTION_POINTER_DOWN | (1 << AMOTION_EVENT_ACTION_POINTER_INDEX_SHIFT);
+static constexpr int32_t ACTION_POINTER_1_UP =
+        AMOTION_EVENT_ACTION_POINTER_UP | (1 << AMOTION_EVENT_ACTION_POINTER_INDEX_SHIFT);
+
 // Error tolerance for floating point assertions.
 static const float EPSILON = 0.001f;
 
@@ -2362,8 +2371,7 @@
     mDevice->sendTrackingId(SECOND_TRACKING_ID);
     mDevice->sendDown(secondPoint + Point(1, 1));
     ASSERT_NO_FATAL_FAILURE(mTestListener->assertNotifyMotionWasCalled(&args));
-    ASSERT_EQ(AMOTION_EVENT_ACTION_POINTER_DOWN | (1 << AMOTION_EVENT_ACTION_POINTER_INDEX_SHIFT),
-              args.action);
+    ASSERT_EQ(ACTION_POINTER_1_DOWN, args.action);
 
     // ACTION_MOVE (Second slot)
     mDevice->sendMove(secondPoint);
@@ -2373,8 +2381,7 @@
     // ACTION_POINTER_UP (Second slot)
     mDevice->sendPointerUp();
     ASSERT_NO_FATAL_FAILURE(mTestListener->assertNotifyMotionWasCalled(&args));
-    ASSERT_EQ(AMOTION_EVENT_ACTION_POINTER_UP | (1 << AMOTION_EVENT_ACTION_POINTER_INDEX_SHIFT),
-              args.action);
+    ASSERT_EQ(ACTION_POINTER_1_UP, args.action);
 
     // ACTION_UP
     mDevice->sendSlot(FIRST_SLOT);
@@ -2400,8 +2407,7 @@
     mDevice->sendTrackingId(SECOND_TRACKING_ID);
     mDevice->sendDown(secondPoint);
     ASSERT_NO_FATAL_FAILURE(mTestListener->assertNotifyMotionWasCalled(&args));
-    ASSERT_EQ(AMOTION_EVENT_ACTION_POINTER_DOWN | (1 << AMOTION_EVENT_ACTION_POINTER_INDEX_SHIFT),
-              args.action);
+    ASSERT_EQ(ACTION_POINTER_1_DOWN, args.action);
 
     // ACTION_MOVE (second slot)
     mDevice->sendMove(secondPoint + Point(1, 1));
@@ -2413,8 +2419,7 @@
     // Expect to receive the ACTION_POINTER_UP with cancel flag.
     mDevice->sendToolType(MT_TOOL_PALM);
     ASSERT_NO_FATAL_FAILURE(mTestListener->assertNotifyMotionWasCalled(&args));
-    ASSERT_EQ(AMOTION_EVENT_ACTION_POINTER_UP | (1 << AMOTION_EVENT_ACTION_POINTER_INDEX_SHIFT),
-              args.action);
+    ASSERT_EQ(ACTION_POINTER_1_UP, args.action);
     ASSERT_EQ(AMOTION_EVENT_FLAG_CANCELED, args.flags);
 
     // Send up to second slot, expect first slot send moving.
@@ -6640,8 +6645,7 @@
     ASSERT_EQ(DEVICE_ID, motionArgs.deviceId);
     ASSERT_EQ(AINPUT_SOURCE_TOUCHSCREEN, motionArgs.source);
     ASSERT_EQ(uint32_t(0), motionArgs.policyFlags);
-    ASSERT_EQ(AMOTION_EVENT_ACTION_POINTER_DOWN | (1 << AMOTION_EVENT_ACTION_POINTER_INDEX_SHIFT),
-            motionArgs.action);
+    ASSERT_EQ(ACTION_POINTER_1_DOWN, motionArgs.action);
     ASSERT_EQ(0, motionArgs.flags);
     ASSERT_EQ(AMETA_SHIFT_LEFT_ON | AMETA_SHIFT_ON, motionArgs.metaState);
     ASSERT_EQ(0, motionArgs.buttonState);
@@ -6701,8 +6705,7 @@
     ASSERT_EQ(DEVICE_ID, motionArgs.deviceId);
     ASSERT_EQ(AINPUT_SOURCE_TOUCHSCREEN, motionArgs.source);
     ASSERT_EQ(uint32_t(0), motionArgs.policyFlags);
-    ASSERT_EQ(AMOTION_EVENT_ACTION_POINTER_UP | (0 << AMOTION_EVENT_ACTION_POINTER_INDEX_SHIFT),
-            motionArgs.action);
+    ASSERT_EQ(ACTION_POINTER_0_UP, motionArgs.action);
     ASSERT_EQ(0, motionArgs.flags);
     ASSERT_EQ(AMETA_SHIFT_LEFT_ON | AMETA_SHIFT_ON, motionArgs.metaState);
     ASSERT_EQ(0, motionArgs.buttonState);
@@ -6777,8 +6780,7 @@
     ASSERT_EQ(DEVICE_ID, motionArgs.deviceId);
     ASSERT_EQ(AINPUT_SOURCE_TOUCHSCREEN, motionArgs.source);
     ASSERT_EQ(uint32_t(0), motionArgs.policyFlags);
-    ASSERT_EQ(AMOTION_EVENT_ACTION_POINTER_DOWN | (0 << AMOTION_EVENT_ACTION_POINTER_INDEX_SHIFT),
-            motionArgs.action);
+    ASSERT_EQ(ACTION_POINTER_0_DOWN, motionArgs.action);
     ASSERT_EQ(0, motionArgs.flags);
     ASSERT_EQ(AMETA_SHIFT_LEFT_ON | AMETA_SHIFT_ON, motionArgs.metaState);
     ASSERT_EQ(0, motionArgs.buttonState);
@@ -6807,8 +6809,7 @@
     ASSERT_EQ(DEVICE_ID, motionArgs.deviceId);
     ASSERT_EQ(AINPUT_SOURCE_TOUCHSCREEN, motionArgs.source);
     ASSERT_EQ(uint32_t(0), motionArgs.policyFlags);
-    ASSERT_EQ(AMOTION_EVENT_ACTION_POINTER_UP | (1 << AMOTION_EVENT_ACTION_POINTER_INDEX_SHIFT),
-            motionArgs.action);
+    ASSERT_EQ(ACTION_POINTER_1_UP, motionArgs.action);
     ASSERT_EQ(0, motionArgs.flags);
     ASSERT_EQ(AMETA_SHIFT_LEFT_ON | AMETA_SHIFT_ON, motionArgs.metaState);
     ASSERT_EQ(0, motionArgs.buttonState);
@@ -6954,8 +6955,7 @@
             toDisplayX(x1), toDisplayY(y1), 1, 0, 0, 0, 0, 0, 0, 0));
 
     ASSERT_NO_FATAL_FAILURE(mFakeListener->assertNotifyMotionWasCalled(&motionArgs));
-    ASSERT_EQ(AMOTION_EVENT_ACTION_POINTER_DOWN | (1 << AMOTION_EVENT_ACTION_POINTER_INDEX_SHIFT),
-            motionArgs.action);
+    ASSERT_EQ(ACTION_POINTER_1_DOWN, motionArgs.action);
     ASSERT_EQ(size_t(2), motionArgs.pointerCount);
     ASSERT_EQ(0, motionArgs.pointerProperties[0].id);
     ASSERT_EQ(AMOTION_EVENT_TOOL_TYPE_FINGER, motionArgs.pointerProperties[0].toolType);
@@ -6996,8 +6996,7 @@
     processSync(mapper);
 
     ASSERT_NO_FATAL_FAILURE(mFakeListener->assertNotifyMotionWasCalled(&motionArgs));
-    ASSERT_EQ(AMOTION_EVENT_ACTION_POINTER_UP | (0 << AMOTION_EVENT_ACTION_POINTER_INDEX_SHIFT),
-            motionArgs.action);
+    ASSERT_EQ(ACTION_POINTER_0_UP, motionArgs.action);
     ASSERT_EQ(size_t(2), motionArgs.pointerCount);
     ASSERT_EQ(0, motionArgs.pointerProperties[0].id);
     ASSERT_EQ(AMOTION_EVENT_TOOL_TYPE_FINGER, motionArgs.pointerProperties[0].toolType);
@@ -7042,8 +7041,7 @@
     processSync(mapper);
 
     ASSERT_NO_FATAL_FAILURE(mFakeListener->assertNotifyMotionWasCalled(&motionArgs));
-    ASSERT_EQ(AMOTION_EVENT_ACTION_POINTER_DOWN | (0 << AMOTION_EVENT_ACTION_POINTER_INDEX_SHIFT),
-            motionArgs.action);
+    ASSERT_EQ(ACTION_POINTER_0_DOWN, motionArgs.action);
     ASSERT_EQ(size_t(2), motionArgs.pointerCount);
     ASSERT_EQ(0, motionArgs.pointerProperties[0].id);
     ASSERT_EQ(AMOTION_EVENT_TOOL_TYPE_FINGER, motionArgs.pointerProperties[0].toolType);
@@ -7062,8 +7060,7 @@
     processSync(mapper);
 
     ASSERT_NO_FATAL_FAILURE(mFakeListener->assertNotifyMotionWasCalled(&motionArgs));
-    ASSERT_EQ(AMOTION_EVENT_ACTION_POINTER_UP | (1 << AMOTION_EVENT_ACTION_POINTER_INDEX_SHIFT),
-            motionArgs.action);
+    ASSERT_EQ(ACTION_POINTER_1_UP, motionArgs.action);
     ASSERT_EQ(size_t(2), motionArgs.pointerCount);
     ASSERT_EQ(0, motionArgs.pointerProperties[0].id);
     ASSERT_EQ(AMOTION_EVENT_TOOL_TYPE_FINGER, motionArgs.pointerProperties[0].toolType);
@@ -7128,8 +7125,7 @@
             toDisplayX(x1), toDisplayY(y1), 1, 0, 0, 0, 0, 0, 0, 0));
 
     ASSERT_NO_FATAL_FAILURE(mFakeListener->assertNotifyMotionWasCalled(&motionArgs));
-    ASSERT_EQ(AMOTION_EVENT_ACTION_POINTER_DOWN | (1 << AMOTION_EVENT_ACTION_POINTER_INDEX_SHIFT),
-            motionArgs.action);
+    ASSERT_EQ(ACTION_POINTER_1_DOWN, motionArgs.action);
     ASSERT_EQ(size_t(2), motionArgs.pointerCount);
     ASSERT_EQ(0, motionArgs.pointerProperties[0].id);
     ASSERT_EQ(AMOTION_EVENT_TOOL_TYPE_FINGER, motionArgs.pointerProperties[0].toolType);
@@ -7169,8 +7165,7 @@
     processSync(mapper);
 
     ASSERT_NO_FATAL_FAILURE(mFakeListener->assertNotifyMotionWasCalled(&motionArgs));
-    ASSERT_EQ(AMOTION_EVENT_ACTION_POINTER_UP | (0 << AMOTION_EVENT_ACTION_POINTER_INDEX_SHIFT),
-            motionArgs.action);
+    ASSERT_EQ(ACTION_POINTER_0_UP, motionArgs.action);
     ASSERT_EQ(size_t(2), motionArgs.pointerCount);
     ASSERT_EQ(0, motionArgs.pointerProperties[0].id);
     ASSERT_EQ(AMOTION_EVENT_TOOL_TYPE_FINGER, motionArgs.pointerProperties[0].toolType);
@@ -7211,8 +7206,7 @@
     processSync(mapper);
 
     ASSERT_NO_FATAL_FAILURE(mFakeListener->assertNotifyMotionWasCalled(&motionArgs));
-    ASSERT_EQ(AMOTION_EVENT_ACTION_POINTER_DOWN | (0 << AMOTION_EVENT_ACTION_POINTER_INDEX_SHIFT),
-            motionArgs.action);
+    ASSERT_EQ(ACTION_POINTER_0_DOWN, motionArgs.action);
     ASSERT_EQ(size_t(2), motionArgs.pointerCount);
     ASSERT_EQ(0, motionArgs.pointerProperties[0].id);
     ASSERT_EQ(AMOTION_EVENT_TOOL_TYPE_FINGER, motionArgs.pointerProperties[0].toolType);
@@ -7232,8 +7226,7 @@
     processSync(mapper);
 
     ASSERT_NO_FATAL_FAILURE(mFakeListener->assertNotifyMotionWasCalled(&motionArgs));
-    ASSERT_EQ(AMOTION_EVENT_ACTION_POINTER_UP | (1 << AMOTION_EVENT_ACTION_POINTER_INDEX_SHIFT),
-            motionArgs.action);
+    ASSERT_EQ(ACTION_POINTER_1_UP, motionArgs.action);
     ASSERT_EQ(size_t(2), motionArgs.pointerCount);
     ASSERT_EQ(0, motionArgs.pointerProperties[0].id);
     ASSERT_EQ(AMOTION_EVENT_TOOL_TYPE_FINGER, motionArgs.pointerProperties[0].toolType);
@@ -7398,8 +7391,7 @@
     ASSERT_EQ(AMOTION_EVENT_ACTION_DOWN, args.action);
 
     ASSERT_NO_FATAL_FAILURE(mFakeListener->assertNotifyMotionWasCalled(&args));
-    ASSERT_EQ(AMOTION_EVENT_ACTION_POINTER_DOWN | (1 << AMOTION_EVENT_ACTION_POINTER_INDEX_SHIFT),
-            args.action);
+    ASSERT_EQ(ACTION_POINTER_1_DOWN, args.action);
     ASSERT_EQ(size_t(2), args.pointerCount);
     ASSERT_NO_FATAL_FAILURE(assertPointerCoords(args.pointerCoords[0],
             x, y, 1.0f, size, touch, touch, tool, tool, 0, 0));
@@ -8529,8 +8521,7 @@
     processPosition(mapper, x2, y2);
     processSync(mapper);
     ASSERT_NO_FATAL_FAILURE(mFakeListener->assertNotifyMotionWasCalled(&motionArgs));
-    ASSERT_EQ(AMOTION_EVENT_ACTION_POINTER_DOWN | (1 << AMOTION_EVENT_ACTION_POINTER_INDEX_SHIFT),
-              motionArgs.action);
+    ASSERT_EQ(ACTION_POINTER_1_DOWN, motionArgs.action);
     ASSERT_EQ(AMOTION_EVENT_TOOL_TYPE_FINGER, motionArgs.pointerProperties[1].toolType);
 
     // If the tool type of the first finger changes to MT_TOOL_PALM,
@@ -8540,8 +8531,7 @@
     processToolType(mapper, MT_TOOL_PALM);
     processSync(mapper);
     ASSERT_NO_FATAL_FAILURE(mFakeListener->assertNotifyMotionWasCalled(&motionArgs));
-    ASSERT_EQ(AMOTION_EVENT_ACTION_POINTER_UP | (0 << AMOTION_EVENT_ACTION_POINTER_INDEX_SHIFT),
-              motionArgs.action);
+    ASSERT_EQ(ACTION_POINTER_0_UP, motionArgs.action);
     ASSERT_EQ(AMOTION_EVENT_FLAG_CANCELED, motionArgs.flags);
 
     // The following MOVE events of second finger should be processed.
@@ -8606,8 +8596,7 @@
     processPosition(mapper, x2, y2);
     processSync(mapper);
     ASSERT_NO_FATAL_FAILURE(mFakeListener->assertNotifyMotionWasCalled(&motionArgs));
-    ASSERT_EQ(AMOTION_EVENT_ACTION_POINTER_DOWN | (1 << AMOTION_EVENT_ACTION_POINTER_INDEX_SHIFT),
-              motionArgs.action);
+    ASSERT_EQ(ACTION_POINTER_1_DOWN, motionArgs.action);
     ASSERT_EQ(AMOTION_EVENT_TOOL_TYPE_FINGER, motionArgs.pointerProperties[0].toolType);
 
     // If the tool type of the first finger changes to MT_TOOL_PALM,
@@ -8617,8 +8606,7 @@
     processToolType(mapper, MT_TOOL_PALM);
     processSync(mapper);
     ASSERT_NO_FATAL_FAILURE(mFakeListener->assertNotifyMotionWasCalled(&motionArgs));
-    ASSERT_EQ(AMOTION_EVENT_ACTION_POINTER_UP | (0 << AMOTION_EVENT_ACTION_POINTER_INDEX_SHIFT),
-              motionArgs.action);
+    ASSERT_EQ(ACTION_POINTER_0_UP, motionArgs.action);
     ASSERT_EQ(AMOTION_EVENT_FLAG_CANCELED, motionArgs.flags);
 
     // Second finger keeps moving.
@@ -8706,8 +8694,7 @@
     processPosition(mapper, x2, y2);
     processSync(mapper);
     ASSERT_NO_FATAL_FAILURE(mFakeListener->assertNotifyMotionWasCalled(&motionArgs));
-    ASSERT_EQ(AMOTION_EVENT_ACTION_POINTER_DOWN | (1 << AMOTION_EVENT_ACTION_POINTER_INDEX_SHIFT),
-              motionArgs.action);
+    ASSERT_EQ(ACTION_POINTER_1_DOWN, motionArgs.action);
     ASSERT_EQ(AMOTION_EVENT_TOOL_TYPE_FINGER, motionArgs.pointerProperties[0].toolType);
 
     // If the tool type of the second finger changes to MT_TOOL_PALM,
@@ -8716,8 +8703,7 @@
     processToolType(mapper, MT_TOOL_PALM);
     processSync(mapper);
     ASSERT_NO_FATAL_FAILURE(mFakeListener->assertNotifyMotionWasCalled(&motionArgs));
-    ASSERT_EQ(AMOTION_EVENT_ACTION_POINTER_UP | (1 << AMOTION_EVENT_ACTION_POINTER_INDEX_SHIFT),
-              motionArgs.action);
+    ASSERT_EQ(ACTION_POINTER_1_UP, motionArgs.action);
     ASSERT_EQ(AMOTION_EVENT_FLAG_CANCELED, motionArgs.flags);
 
     // The following MOVE event should be processed.
@@ -8791,8 +8777,7 @@
     processPressure(mapper, RAW_PRESSURE_MAX);
     processSync(mapper);
     ASSERT_NO_FATAL_FAILURE(mFakeListener->assertNotifyMotionWasCalled(&motionArgs));
-    ASSERT_EQ(AMOTION_EVENT_ACTION_POINTER_DOWN | (1 << AMOTION_EVENT_ACTION_POINTER_INDEX_SHIFT),
-              motionArgs.action);
+    ASSERT_EQ(ACTION_POINTER_1_DOWN, motionArgs.action);
     ASSERT_EQ(uint32_t(2), motionArgs.pointerCount);
 
     // second finger up with some unexpected data.
@@ -8801,8 +8786,7 @@
     processPosition(mapper, x2, y2);
     processSync(mapper);
     ASSERT_NO_FATAL_FAILURE(mFakeListener->assertNotifyMotionWasCalled(&motionArgs));
-    ASSERT_EQ(AMOTION_EVENT_ACTION_POINTER_UP | (1 << AMOTION_EVENT_ACTION_POINTER_INDEX_SHIFT),
-              motionArgs.action);
+    ASSERT_EQ(ACTION_POINTER_1_UP, motionArgs.action);
     ASSERT_EQ(uint32_t(2), motionArgs.pointerCount);
 
     // first finger up with some unexpected data.
@@ -8914,8 +8898,7 @@
 
     // expect coord[0] to contain previous location, coord[1] to contain new touch 1 location
     ASSERT_NO_FATAL_FAILURE(mFakeListener->assertNotifyMotionWasCalled(&args));
-    ASSERT_EQ(AMOTION_EVENT_ACTION_POINTER_DOWN | (1 << AMOTION_EVENT_ACTION_POINTER_INDEX_SHIFT),
-            args.action);
+    ASSERT_EQ(ACTION_POINTER_1_DOWN, args.action);
     ASSERT_EQ(2U, args.pointerCount);
     ASSERT_EQ(0, args.pointerProperties[0].id);
     ASSERT_EQ(1, args.pointerProperties[1].id);
diff --git a/services/sensorservice/AidlSensorHalWrapper.cpp b/services/sensorservice/AidlSensorHalWrapper.cpp
new file mode 100644
index 0000000..74c47ba
--- /dev/null
+++ b/services/sensorservice/AidlSensorHalWrapper.cpp
@@ -0,0 +1,656 @@
+/*
+ * Copyright (C) 2021 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.
+ */
+
+#include "AidlSensorHalWrapper.h"
+#include "ISensorsWrapper.h"
+#include "SensorDeviceUtils.h"
+#include "android/hardware/sensors/2.0/types.h"
+
+#include <aidl/android/hardware/sensors/BnSensorsCallback.h>
+#include <aidlcommonsupport/NativeHandle.h>
+#include <android-base/logging.h>
+#include <android/binder_manager.h>
+
+using ::aidl::android::hardware::sensors::AdditionalInfo;
+using ::aidl::android::hardware::sensors::DynamicSensorInfo;
+using ::aidl::android::hardware::sensors::Event;
+using ::aidl::android::hardware::sensors::ISensors;
+using ::aidl::android::hardware::sensors::SensorInfo;
+using ::aidl::android::hardware::sensors::SensorStatus;
+using ::aidl::android::hardware::sensors::SensorType;
+using ::android::AidlMessageQueue;
+using ::android::hardware::EventFlag;
+using ::android::hardware::sensors::V2_1::implementation::MAX_RECEIVE_BUFFER_EVENT_COUNT;
+
+namespace android {
+
+namespace {
+
+status_t convertToStatus(ndk::ScopedAStatus status) {
+    if (status.isOk()) {
+        return OK;
+    } else {
+        switch (status.getExceptionCode()) {
+            case EX_ILLEGAL_ARGUMENT: {
+                return BAD_VALUE;
+            }
+            case EX_SECURITY: {
+                return PERMISSION_DENIED;
+            }
+            case EX_UNSUPPORTED_OPERATION: {
+                return INVALID_OPERATION;
+            }
+            case EX_SERVICE_SPECIFIC: {
+                switch (status.getServiceSpecificError()) {
+                    case ISensors::ERROR_BAD_VALUE: {
+                        return BAD_VALUE;
+                    }
+                    case ISensors::ERROR_NO_MEMORY: {
+                        return NO_MEMORY;
+                    }
+                    default: {
+                        return UNKNOWN_ERROR;
+                    }
+                }
+            }
+            default: {
+                return UNKNOWN_ERROR;
+            }
+        }
+    }
+}
+
+void convertToSensor(const SensorInfo &src, sensor_t *dst) {
+    dst->name = strdup(src.name.c_str());
+    dst->vendor = strdup(src.vendor.c_str());
+    dst->version = src.version;
+    dst->handle = src.sensorHandle;
+    dst->type = (int)src.type;
+    dst->maxRange = src.maxRange;
+    dst->resolution = src.resolution;
+    dst->power = src.power;
+    dst->minDelay = src.minDelayUs;
+    dst->fifoReservedEventCount = src.fifoReservedEventCount;
+    dst->fifoMaxEventCount = src.fifoMaxEventCount;
+    dst->stringType = strdup(src.typeAsString.c_str());
+    dst->requiredPermission = strdup(src.requiredPermission.c_str());
+    dst->maxDelay = src.maxDelayUs;
+    dst->flags = src.flags;
+    dst->reserved[0] = dst->reserved[1] = 0;
+}
+
+void convertToSensorEvent(const Event &src, sensors_event_t *dst) {
+    *dst = {.version = sizeof(sensors_event_t),
+            .sensor = src.sensorHandle,
+            .type = (int32_t)src.sensorType,
+            .reserved0 = 0,
+            .timestamp = src.timestamp};
+
+    switch (src.sensorType) {
+        case SensorType::META_DATA: {
+            // Legacy HALs expect the handle reference in the meta data field.
+            // Copy it over from the handle of the event.
+            dst->meta_data.what = (int32_t)src.payload.get<Event::EventPayload::meta>().what;
+            dst->meta_data.sensor = src.sensorHandle;
+            // Set the sensor handle to 0 to maintain compatibility.
+            dst->sensor = 0;
+            break;
+        }
+
+        case SensorType::ACCELEROMETER:
+        case SensorType::MAGNETIC_FIELD:
+        case SensorType::ORIENTATION:
+        case SensorType::GYROSCOPE:
+        case SensorType::GRAVITY:
+        case SensorType::LINEAR_ACCELERATION: {
+            dst->acceleration.x = src.payload.get<Event::EventPayload::vec3>().x;
+            dst->acceleration.y = src.payload.get<Event::EventPayload::vec3>().y;
+            dst->acceleration.z = src.payload.get<Event::EventPayload::vec3>().z;
+            dst->acceleration.status = (int32_t)src.payload.get<Event::EventPayload::vec3>().status;
+            break;
+        }
+
+        case SensorType::GAME_ROTATION_VECTOR: {
+            dst->data[0] = src.payload.get<Event::EventPayload::vec4>().x;
+            dst->data[1] = src.payload.get<Event::EventPayload::vec4>().y;
+            dst->data[2] = src.payload.get<Event::EventPayload::vec4>().z;
+            dst->data[3] = src.payload.get<Event::EventPayload::vec4>().w;
+            break;
+        }
+
+        case SensorType::ROTATION_VECTOR:
+        case SensorType::GEOMAGNETIC_ROTATION_VECTOR: {
+            dst->data[0] = src.payload.get<Event::EventPayload::data>().values[0];
+            dst->data[1] = src.payload.get<Event::EventPayload::data>().values[1];
+            dst->data[2] = src.payload.get<Event::EventPayload::data>().values[2];
+            dst->data[3] = src.payload.get<Event::EventPayload::data>().values[3];
+            dst->data[4] = src.payload.get<Event::EventPayload::data>().values[4];
+            break;
+        }
+
+        case SensorType::MAGNETIC_FIELD_UNCALIBRATED:
+        case SensorType::GYROSCOPE_UNCALIBRATED:
+        case SensorType::ACCELEROMETER_UNCALIBRATED: {
+            dst->uncalibrated_gyro.x_uncalib = src.payload.get<Event::EventPayload::uncal>().x;
+            dst->uncalibrated_gyro.y_uncalib = src.payload.get<Event::EventPayload::uncal>().y;
+            dst->uncalibrated_gyro.z_uncalib = src.payload.get<Event::EventPayload::uncal>().z;
+            dst->uncalibrated_gyro.x_bias = src.payload.get<Event::EventPayload::uncal>().xBias;
+            dst->uncalibrated_gyro.y_bias = src.payload.get<Event::EventPayload::uncal>().yBias;
+            dst->uncalibrated_gyro.z_bias = src.payload.get<Event::EventPayload::uncal>().zBias;
+            break;
+        }
+
+        case SensorType::HINGE_ANGLE:
+        case SensorType::DEVICE_ORIENTATION:
+        case SensorType::LIGHT:
+        case SensorType::PRESSURE:
+        case SensorType::PROXIMITY:
+        case SensorType::RELATIVE_HUMIDITY:
+        case SensorType::AMBIENT_TEMPERATURE:
+        case SensorType::SIGNIFICANT_MOTION:
+        case SensorType::STEP_DETECTOR:
+        case SensorType::TILT_DETECTOR:
+        case SensorType::WAKE_GESTURE:
+        case SensorType::GLANCE_GESTURE:
+        case SensorType::PICK_UP_GESTURE:
+        case SensorType::WRIST_TILT_GESTURE:
+        case SensorType::STATIONARY_DETECT:
+        case SensorType::MOTION_DETECT:
+        case SensorType::HEART_BEAT:
+        case SensorType::LOW_LATENCY_OFFBODY_DETECT: {
+            dst->data[0] = src.payload.get<Event::EventPayload::scalar>();
+            break;
+        }
+
+        case SensorType::STEP_COUNTER: {
+            dst->u64.step_counter = src.payload.get<Event::EventPayload::stepCount>();
+            break;
+        }
+
+        case SensorType::HEART_RATE: {
+            dst->heart_rate.bpm = src.payload.get<Event::EventPayload::heartRate>().bpm;
+            dst->heart_rate.status =
+                    (int8_t)src.payload.get<Event::EventPayload::heartRate>().status;
+            break;
+        }
+
+        case SensorType::POSE_6DOF: { // 15 floats
+            for (size_t i = 0; i < 15; ++i) {
+                dst->data[i] = src.payload.get<Event::EventPayload::pose6DOF>().values[i];
+            }
+            break;
+        }
+
+        case SensorType::DYNAMIC_SENSOR_META: {
+            dst->dynamic_sensor_meta.connected =
+                    src.payload.get<Event::EventPayload::dynamic>().connected;
+            dst->dynamic_sensor_meta.handle =
+                    src.payload.get<Event::EventPayload::dynamic>().sensorHandle;
+            dst->dynamic_sensor_meta.sensor = NULL; // to be filled in later
+
+            memcpy(dst->dynamic_sensor_meta.uuid,
+                   src.payload.get<Event::EventPayload::dynamic>().uuid.values.data(), 16);
+
+            break;
+        }
+
+        case SensorType::ADDITIONAL_INFO: {
+            const AdditionalInfo &srcInfo = src.payload.get<Event::EventPayload::additional>();
+
+            additional_info_event_t *dstInfo = &dst->additional_info;
+            dstInfo->type = (int32_t)srcInfo.type;
+            dstInfo->serial = srcInfo.serial;
+
+            // TODO(b/195593357): Finish additional info conversion
+            // CHECK_EQ(sizeof(srcInfo.payload.values), sizeof(dstInfo->data_int32));
+
+            // memcpy(dstInfo->data_int32,
+            //        &srcInfo.u,
+            //        sizeof(dstInfo->data_int32));
+
+            break;
+        }
+
+        default: {
+            CHECK_GE((int32_t)src.sensorType, (int32_t)SensorType::DEVICE_PRIVATE_BASE);
+
+            memcpy(dst->data, src.payload.get<Event::EventPayload::data>().values.data(),
+                   16 * sizeof(float));
+            break;
+        }
+    }
+}
+
+void convertFromSensorEvent(const sensors_event_t &src, Event *dst) {
+    *dst = {
+            .timestamp = src.timestamp,
+            .sensorHandle = src.sensor,
+    };
+
+    switch (dst->sensorType) {
+        case SensorType::META_DATA: {
+            Event::EventPayload::MetaData meta;
+            meta.what = (Event::EventPayload::MetaData::MetaDataEventType)src.meta_data.what;
+            // Legacy HALs contain the handle reference in the meta data field.
+            // Copy that over to the handle of the event. In legacy HALs this
+            // field was expected to be 0.
+            dst->sensorHandle = src.meta_data.sensor;
+            dst->payload.set<Event::EventPayload::Tag::meta>(meta);
+            break;
+        }
+
+        case SensorType::ACCELEROMETER:
+        case SensorType::MAGNETIC_FIELD:
+        case SensorType::ORIENTATION:
+        case SensorType::GYROSCOPE:
+        case SensorType::GRAVITY:
+        case SensorType::LINEAR_ACCELERATION: {
+            Event::EventPayload::Vec3 vec3;
+            vec3.x = src.acceleration.x;
+            vec3.y = src.acceleration.y;
+            vec3.z = src.acceleration.z;
+            vec3.status = (SensorStatus)src.acceleration.status;
+            dst->payload.set<Event::EventPayload::Tag::vec3>(vec3);
+            break;
+        }
+
+        case SensorType::GAME_ROTATION_VECTOR: {
+            Event::EventPayload::Vec4 vec4;
+            vec4.x = src.data[0];
+            vec4.y = src.data[1];
+            vec4.z = src.data[2];
+            vec4.w = src.data[3];
+            dst->payload.set<Event::EventPayload::Tag::vec4>(vec4);
+            break;
+        }
+
+        case SensorType::ROTATION_VECTOR:
+        case SensorType::GEOMAGNETIC_ROTATION_VECTOR: {
+            Event::EventPayload::Data data;
+            memcpy(data.values.data(), src.data, 5 * sizeof(float));
+            dst->payload.set<Event::EventPayload::Tag::data>(data);
+            break;
+        }
+
+        case SensorType::MAGNETIC_FIELD_UNCALIBRATED:
+        case SensorType::GYROSCOPE_UNCALIBRATED:
+        case SensorType::ACCELEROMETER_UNCALIBRATED: {
+            Event::EventPayload::Uncal uncal;
+            uncal.x = src.uncalibrated_gyro.x_uncalib;
+            uncal.y = src.uncalibrated_gyro.y_uncalib;
+            uncal.z = src.uncalibrated_gyro.z_uncalib;
+            uncal.xBias = src.uncalibrated_gyro.x_bias;
+            uncal.yBias = src.uncalibrated_gyro.y_bias;
+            uncal.zBias = src.uncalibrated_gyro.z_bias;
+            dst->payload.set<Event::EventPayload::Tag::uncal>(uncal);
+            break;
+        }
+
+        case SensorType::DEVICE_ORIENTATION:
+        case SensorType::LIGHT:
+        case SensorType::PRESSURE:
+        case SensorType::PROXIMITY:
+        case SensorType::RELATIVE_HUMIDITY:
+        case SensorType::AMBIENT_TEMPERATURE:
+        case SensorType::SIGNIFICANT_MOTION:
+        case SensorType::STEP_DETECTOR:
+        case SensorType::TILT_DETECTOR:
+        case SensorType::WAKE_GESTURE:
+        case SensorType::GLANCE_GESTURE:
+        case SensorType::PICK_UP_GESTURE:
+        case SensorType::WRIST_TILT_GESTURE:
+        case SensorType::STATIONARY_DETECT:
+        case SensorType::MOTION_DETECT:
+        case SensorType::HEART_BEAT:
+        case SensorType::LOW_LATENCY_OFFBODY_DETECT:
+        case SensorType::HINGE_ANGLE: {
+            dst->payload.set<Event::EventPayload::Tag::scalar>((float)src.data[0]);
+            break;
+        }
+
+        case SensorType::STEP_COUNTER: {
+            dst->payload.set<Event::EventPayload::Tag::stepCount>(src.u64.step_counter);
+            break;
+        }
+
+        case SensorType::HEART_RATE: {
+            Event::EventPayload::HeartRate heartRate;
+            heartRate.bpm = src.heart_rate.bpm;
+            heartRate.status = (SensorStatus)src.heart_rate.status;
+            dst->payload.set<Event::EventPayload::Tag::heartRate>(heartRate);
+            break;
+        }
+
+        case SensorType::POSE_6DOF: { // 15 floats
+            Event::EventPayload::Pose6Dof pose6DOF;
+            for (size_t i = 0; i < 15; ++i) {
+                pose6DOF.values[i] = src.data[i];
+            }
+            dst->payload.set<Event::EventPayload::Tag::pose6DOF>(pose6DOF);
+            break;
+        }
+
+        case SensorType::DYNAMIC_SENSOR_META: {
+            DynamicSensorInfo dynamic;
+            dynamic.connected = src.dynamic_sensor_meta.connected;
+            dynamic.sensorHandle = src.dynamic_sensor_meta.handle;
+
+            memcpy(dynamic.uuid.values.data(), src.dynamic_sensor_meta.uuid, 16);
+            dst->payload.set<Event::EventPayload::Tag::dynamic>(dynamic);
+            break;
+        }
+
+        case SensorType::ADDITIONAL_INFO: {
+            AdditionalInfo info;
+            const additional_info_event_t &srcInfo = src.additional_info;
+            info.type = (AdditionalInfo::AdditionalInfoType)srcInfo.type;
+            info.serial = srcInfo.serial;
+
+            // TODO(b/195593357): Finish additional info conversion
+
+            dst->payload.set<Event::EventPayload::Tag::additional>(info);
+            break;
+        }
+
+        default: {
+            CHECK_GE((int32_t)dst->sensorType, (int32_t)SensorType::DEVICE_PRIVATE_BASE);
+
+            Event::EventPayload::Data data;
+            memcpy(data.values.data(), src.data, 16 * sizeof(float));
+            dst->payload.set<Event::EventPayload::Tag::data>(data);
+            break;
+        }
+    }
+}
+
+void serviceDied(void *cookie) {
+    ALOGW("Sensors HAL died, attempting to reconnect.");
+    ((AidlSensorHalWrapper *)cookie)->prepareForReconnect();
+}
+
+template <typename EnumType>
+constexpr typename std::underlying_type<EnumType>::type asBaseType(EnumType value) {
+    return static_cast<typename std::underlying_type<EnumType>::type>(value);
+}
+
+enum EventQueueFlagBitsInternal : uint32_t {
+    INTERNAL_WAKE = 1 << 16,
+};
+
+} // anonymous namespace
+
+class AidlSensorsCallback : public ::aidl::android::hardware::sensors::BnSensorsCallback {
+public:
+    AidlSensorsCallback(AidlSensorHalWrapper::SensorDeviceCallback *sensorDeviceCallback)
+          : mSensorDeviceCallback(sensorDeviceCallback) {}
+
+    ::ndk::ScopedAStatus onDynamicSensorsConnected(
+            const std::vector<SensorInfo> &sensorInfos) override {
+        std::vector<sensor_t> sensors;
+        for (const SensorInfo &sensorInfo : sensorInfos) {
+            sensor_t sensor;
+            convertToSensor(sensorInfo, &sensor);
+            sensors.push_back(sensor);
+        }
+
+        mSensorDeviceCallback->onDynamicSensorsConnected(sensors);
+        return ::ndk::ScopedAStatus::ok();
+    }
+
+    ::ndk::ScopedAStatus onDynamicSensorsDisconnected(
+            const std::vector<int32_t> &sensorHandles) override {
+        mSensorDeviceCallback->onDynamicSensorsDisconnected(sensorHandles);
+        return ::ndk::ScopedAStatus::ok();
+    }
+
+private:
+    ISensorHalWrapper::SensorDeviceCallback *mSensorDeviceCallback;
+};
+
+AidlSensorHalWrapper::AidlSensorHalWrapper()
+      : mEventQueueFlag(nullptr),
+        mWakeLockQueueFlag(nullptr),
+        mDeathRecipient(AIBinder_DeathRecipient_new(serviceDied)) {}
+
+bool AidlSensorHalWrapper::supportsPolling() {
+    return false;
+}
+
+bool AidlSensorHalWrapper::supportsMessageQueues() {
+    return true;
+}
+
+bool AidlSensorHalWrapper::connect(SensorDeviceCallback *callback) {
+    mSensorDeviceCallback = callback;
+    mSensors = nullptr;
+
+    auto aidlServiceName = std::string() + ISensors::descriptor + "/default";
+    if (AServiceManager_isDeclared(aidlServiceName.c_str())) {
+        if (mSensors != nullptr) {
+            AIBinder_unlinkToDeath(mSensors->asBinder().get(), mDeathRecipient.get(), this);
+        }
+
+        ndk::SpAIBinder binder(AServiceManager_waitForService(aidlServiceName.c_str()));
+        if (binder.get() != nullptr) {
+
+            mSensors = ISensors::fromBinder(binder);
+            mEventQueue = std::make_unique<AidlMessageQueue<
+                    Event, SynchronizedReadWrite>>(MAX_RECEIVE_BUFFER_EVENT_COUNT,
+                                                   /*configureEventFlagWord=*/true);
+
+            mWakeLockQueue = std::make_unique<AidlMessageQueue<
+                    int32_t, SynchronizedReadWrite>>(MAX_RECEIVE_BUFFER_EVENT_COUNT,
+                                                     /*configureEventFlagWord=*/true);
+            if (mEventQueueFlag != nullptr) {
+                EventFlag::deleteEventFlag(&mEventQueueFlag);
+            }
+            EventFlag::createEventFlag(mEventQueue->getEventFlagWord(), &mEventQueueFlag);
+            if (mWakeLockQueueFlag != nullptr) {
+                EventFlag::deleteEventFlag(&mWakeLockQueueFlag);
+            }
+            EventFlag::createEventFlag(mWakeLockQueue->getEventFlagWord(), &mWakeLockQueueFlag);
+
+            CHECK(mEventQueue != nullptr && mEventQueueFlag != nullptr &&
+                  mWakeLockQueue != nullptr && mWakeLockQueueFlag != nullptr);
+
+            mCallback = ndk::SharedRefBase::make<AidlSensorsCallback>(mSensorDeviceCallback);
+            mSensors->initialize(mEventQueue->dupeDesc(), mWakeLockQueue->dupeDesc(), mCallback);
+
+            AIBinder_linkToDeath(mSensors->asBinder().get(), mDeathRecipient.get(), this);
+        } else {
+            ALOGE("Could not connect to declared sensors AIDL HAL");
+        }
+    }
+
+    return mSensors != nullptr;
+}
+
+void AidlSensorHalWrapper::prepareForReconnect() {
+    mReconnecting = true;
+    if (mEventQueueFlag != nullptr) {
+        mEventQueueFlag->wake(asBaseType(INTERNAL_WAKE));
+    }
+}
+
+ssize_t AidlSensorHalWrapper::poll(sensors_event_t * /* buffer */, size_t /* count */) {
+    return 0;
+}
+
+ssize_t AidlSensorHalWrapper::pollFmq(sensors_event_t *buffer, size_t maxNumEventsToRead) {
+    ssize_t eventsRead = 0;
+    size_t availableEvents = mEventQueue->availableToRead();
+
+    if (availableEvents == 0) {
+        uint32_t eventFlagState = 0;
+
+        // Wait for events to become available. This is necessary so that the Event FMQ's read() is
+        // able to be called with the correct number of events to read. If the specified number of
+        // events is not available, then read() would return no events, possibly introducing
+        // additional latency in delivering events to applications.
+        if (mEventQueueFlag != nullptr) {
+            mEventQueueFlag->wait(asBaseType(ISensors::EVENT_QUEUE_FLAG_BITS_READ_AND_PROCESS) |
+                                          asBaseType(INTERNAL_WAKE),
+                                  &eventFlagState);
+        }
+        availableEvents = mEventQueue->availableToRead();
+
+        if ((eventFlagState & asBaseType(INTERNAL_WAKE)) && mReconnecting) {
+            ALOGD("Event FMQ internal wake, returning from poll with no events");
+            return DEAD_OBJECT;
+        }
+    }
+
+    size_t eventsToRead = std::min({availableEvents, maxNumEventsToRead, mEventBuffer.size()});
+    if (eventsToRead > 0) {
+        if (mEventQueue->read(mEventBuffer.data(), eventsToRead)) {
+            // Notify the Sensors HAL that sensor events have been read. This is required to support
+            // the use of writeBlocking by the Sensors HAL.
+            if (mEventQueueFlag != nullptr) {
+                mEventQueueFlag->wake(asBaseType(ISensors::EVENT_QUEUE_FLAG_BITS_EVENTS_READ));
+            }
+
+            for (size_t i = 0; i < eventsToRead; i++) {
+                convertToSensorEvent(mEventBuffer[i], &buffer[i]);
+            }
+            eventsRead = eventsToRead;
+        } else {
+            ALOGW("Failed to read %zu events, currently %zu events available", eventsToRead,
+                  availableEvents);
+        }
+    }
+
+    return eventsRead;
+}
+
+std::vector<sensor_t> AidlSensorHalWrapper::getSensorsList() {
+    std::vector<sensor_t> sensorsFound;
+
+    if (mSensors != nullptr) {
+        std::vector<SensorInfo> list;
+        mSensors->getSensorsList(&list);
+        for (size_t i = 0; i < list.size(); i++) {
+            sensor_t sensor;
+            convertToSensor(list[i], &sensor);
+            sensorsFound.push_back(sensor);
+        }
+    }
+
+    return sensorsFound;
+}
+
+status_t AidlSensorHalWrapper::setOperationMode(SensorService::Mode mode) {
+    if (mSensors == nullptr) return NO_INIT;
+    return convertToStatus(mSensors->setOperationMode(static_cast<ISensors::OperationMode>(mode)));
+}
+
+status_t AidlSensorHalWrapper::activate(int32_t sensorHandle, bool enabled) {
+    if (mSensors == nullptr) return NO_INIT;
+    return convertToStatus(mSensors->activate(sensorHandle, enabled));
+}
+
+status_t AidlSensorHalWrapper::batch(int32_t sensorHandle, int64_t samplingPeriodNs,
+                                     int64_t maxReportLatencyNs) {
+    if (mSensors == nullptr) return NO_INIT;
+    return convertToStatus(mSensors->batch(sensorHandle, samplingPeriodNs, maxReportLatencyNs));
+}
+
+status_t AidlSensorHalWrapper::flush(int32_t sensorHandle) {
+    if (mSensors == nullptr) return NO_INIT;
+    return convertToStatus(mSensors->flush(sensorHandle));
+}
+
+status_t AidlSensorHalWrapper::injectSensorData(const sensors_event_t *event) {
+    if (mSensors == nullptr) return NO_INIT;
+
+    Event ev;
+    convertFromSensorEvent(*event, &ev);
+    return convertToStatus(mSensors->injectSensorData(ev));
+}
+
+status_t AidlSensorHalWrapper::registerDirectChannel(const sensors_direct_mem_t *memory,
+                                                     int32_t *channelHandle) {
+    if (mSensors == nullptr) return NO_INIT;
+
+    ISensors::SharedMemInfo::SharedMemType type;
+    switch (memory->type) {
+        case SENSOR_DIRECT_MEM_TYPE_ASHMEM:
+            type = ISensors::SharedMemInfo::SharedMemType::ASHMEM;
+            break;
+        case SENSOR_DIRECT_MEM_TYPE_GRALLOC:
+            type = ISensors::SharedMemInfo::SharedMemType::GRALLOC;
+            break;
+        default:
+            return BAD_VALUE;
+    }
+
+    if (memory->format != SENSOR_DIRECT_FMT_SENSORS_EVENT) {
+        return BAD_VALUE;
+    }
+    ISensors::SharedMemInfo::SharedMemFormat format =
+            ISensors::SharedMemInfo::SharedMemFormat::SENSORS_EVENT;
+
+    ISensors::SharedMemInfo mem = {
+            .type = type,
+            .format = format,
+            .size = static_cast<int32_t>(memory->size),
+            .memoryHandle = makeToAidl(memory->handle),
+    };
+
+    return convertToStatus(mSensors->registerDirectChannel(mem, channelHandle));
+}
+
+status_t AidlSensorHalWrapper::unregisterDirectChannel(int32_t channelHandle) {
+    if (mSensors == nullptr) return NO_INIT;
+    return convertToStatus(mSensors->unregisterDirectChannel(channelHandle));
+}
+
+status_t AidlSensorHalWrapper::configureDirectChannel(int32_t sensorHandle, int32_t channelHandle,
+                                                      const struct sensors_direct_cfg_t *config) {
+    if (mSensors == nullptr) return NO_INIT;
+
+    ISensors::RateLevel rate;
+    switch (config->rate_level) {
+        case SENSOR_DIRECT_RATE_STOP:
+            rate = ISensors::RateLevel::STOP;
+            break;
+        case SENSOR_DIRECT_RATE_NORMAL:
+            rate = ISensors::RateLevel::NORMAL;
+            break;
+        case SENSOR_DIRECT_RATE_FAST:
+            rate = ISensors::RateLevel::FAST;
+            break;
+        case SENSOR_DIRECT_RATE_VERY_FAST:
+            rate = ISensors::RateLevel::VERY_FAST;
+            break;
+        default:
+            return BAD_VALUE;
+    }
+
+    int32_t token;
+    mSensors->configDirectReport(sensorHandle, channelHandle, rate, &token);
+    return token;
+}
+
+void AidlSensorHalWrapper::writeWakeLockHandled(uint32_t count) {
+    int signedCount = (int)count;
+    if (mWakeLockQueue->write(&signedCount)) {
+        mWakeLockQueueFlag->wake(asBaseType(ISensors::WAKE_LOCK_QUEUE_FLAG_BITS_DATA_WRITTEN));
+    } else {
+        ALOGW("Failed to write wake lock handled");
+    }
+}
+
+} // namespace android
diff --git a/services/sensorservice/AidlSensorHalWrapper.h b/services/sensorservice/AidlSensorHalWrapper.h
new file mode 100644
index 0000000..9f61993
--- /dev/null
+++ b/services/sensorservice/AidlSensorHalWrapper.h
@@ -0,0 +1,97 @@
+/*
+ * Copyright (C) 2021 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.
+ */
+
+#ifndef ANDROID_AIDL_SENSOR_HAL_WRAPPER_H
+#define ANDROID_AIDL_SENSOR_HAL_WRAPPER_H
+
+#include "ISensorHalWrapper.h"
+
+#include <aidl/android/hardware/sensors/ISensors.h>
+#include <fmq/AidlMessageQueue.h>
+#include <sensor/SensorEventQueue.h>
+
+namespace android {
+
+class AidlSensorHalWrapper : public ISensorHalWrapper {
+public:
+    AidlSensorHalWrapper();
+
+    ~AidlSensorHalWrapper() override {
+        if (mEventQueueFlag != nullptr) {
+            ::android::hardware::EventFlag::deleteEventFlag(&mEventQueueFlag);
+            mEventQueueFlag = nullptr;
+        }
+        if (mWakeLockQueueFlag != nullptr) {
+            ::android::hardware::EventFlag::deleteEventFlag(&mWakeLockQueueFlag);
+            mWakeLockQueueFlag = nullptr;
+        }
+    }
+
+    virtual bool connect(SensorDeviceCallback *callback) override;
+
+    virtual void prepareForReconnect() override;
+
+    virtual bool supportsPolling() override;
+
+    virtual bool supportsMessageQueues() override;
+
+    virtual ssize_t poll(sensors_event_t *buffer, size_t count) override;
+
+    virtual ssize_t pollFmq(sensors_event_t *buffer, size_t count) override;
+
+    virtual std::vector<sensor_t> getSensorsList() override;
+
+    virtual status_t setOperationMode(SensorService::Mode mode) override;
+
+    virtual status_t activate(int32_t sensorHandle, bool enabled) override;
+
+    virtual status_t batch(int32_t sensorHandle, int64_t samplingPeriodNs,
+                           int64_t maxReportLatencyNs) override;
+
+    virtual status_t flush(int32_t sensorHandle) override;
+
+    virtual status_t injectSensorData(const sensors_event_t *event) override;
+
+    virtual status_t registerDirectChannel(const sensors_direct_mem_t *memory,
+                                           int32_t *channelHandle) override;
+
+    virtual status_t unregisterDirectChannel(int32_t channelHandle) override;
+
+    virtual status_t configureDirectChannel(int32_t sensorHandle, int32_t channelHandle,
+                                            const struct sensors_direct_cfg_t *config) override;
+
+    virtual void writeWakeLockHandled(uint32_t count) override;
+
+private:
+    std::shared_ptr<aidl::android::hardware::sensors::ISensors> mSensors;
+    std::shared_ptr<::aidl::android::hardware::sensors::ISensorsCallback> mCallback;
+    std::unique_ptr<::android::AidlMessageQueue<::aidl::android::hardware::sensors::Event,
+                                                SynchronizedReadWrite>>
+            mEventQueue;
+    std::unique_ptr<::android::AidlMessageQueue<int, SynchronizedReadWrite>> mWakeLockQueue;
+    ::android::hardware::EventFlag *mEventQueueFlag;
+    ::android::hardware::EventFlag *mWakeLockQueueFlag;
+    SensorDeviceCallback *mSensorDeviceCallback;
+    std::array<::aidl::android::hardware::sensors::Event,
+               ::android::SensorEventQueue::MAX_RECEIVE_BUFFER_EVENT_COUNT>
+            mEventBuffer;
+
+    ndk::ScopedAIBinder_DeathRecipient mDeathRecipient;
+};
+
+} // namespace android
+
+#endif // ANDROID_AIDL_SENSOR_HAL_WRAPPER_H
diff --git a/services/sensorservice/Android.bp b/services/sensorservice/Android.bp
index f8d9dc2..d5b629d 100644
--- a/services/sensorservice/Android.bp
+++ b/services/sensorservice/Android.bp
@@ -11,6 +11,7 @@
     name: "libsensorservice",
 
     srcs: [
+        "AidlSensorHalWrapper.cpp",
         "BatteryService.cpp",
         "CorrectedGyroSensor.cpp",
         "Fusion.cpp",
@@ -61,14 +62,19 @@
         "libbase",
         "libhidlbase",
         "libfmq",
+        "libbinder_ndk",
         "packagemanager_aidl-cpp",
         "android.hardware.sensors@1.0",
         "android.hardware.sensors@2.0",
         "android.hardware.sensors@2.1",
+        "android.hardware.common-V2-ndk",
+        "android.hardware.common.fmq-V1-ndk",
     ],
 
     static_libs: [
+        "libaidlcommonsupport",
         "android.hardware.sensors@1.0-convert",
+        "android.hardware.sensors-V1-ndk",
     ],
 
     generated_headers: ["framework-cppstream-protos"],
diff --git a/services/sensorservice/HidlSensorHalWrapper.cpp b/services/sensorservice/HidlSensorHalWrapper.cpp
index dbb3da1..4c64e59 100644
--- a/services/sensorservice/HidlSensorHalWrapper.cpp
+++ b/services/sensorservice/HidlSensorHalWrapper.cpp
@@ -76,11 +76,11 @@
     mHidlSensorHalWrapper->prepareForReconnect();
 }
 
-struct SensorsCallback : public ISensorsCallback {
+struct HidlSensorsCallback : public ISensorsCallback {
     using Result = ::android::hardware::sensors::V1_0::Result;
     using SensorInfo = ::android::hardware::sensors::V2_1::SensorInfo;
 
-    SensorsCallback(ISensorHalWrapper::SensorDeviceCallback* sensorDeviceCallback) {
+    HidlSensorsCallback(ISensorHalWrapper::SensorDeviceCallback* sensorDeviceCallback) {
         mSensorDeviceCallback = sensorDeviceCallback;
     }
 
@@ -143,18 +143,19 @@
     bool hidlTransportError = false;
 
     do {
-        auto ret = mSensors->poll(
-                count, [&](auto result, const auto& events, const auto& dynamicSensorsAdded) {
-                    if (result == Result::OK) {
-                        convertToSensorEventsAndQuantize(convertToNewEvents(events),
-                                                         convertToNewSensorInfos(
-                                                                 dynamicSensorsAdded),
-                                                         buffer);
-                        err = (ssize_t)events.size();
-                    } else {
-                        err = statusFromResult(result);
-                    }
-                });
+        auto ret = mSensors->poll(count,
+                                  [&](auto result, const auto& events,
+                                      const auto& dynamicSensorsAdded) {
+                                      if (result == Result::OK) {
+                                          convertToSensorEvents(convertToNewEvents(events),
+                                                                convertToNewSensorInfos(
+                                                                        dynamicSensorsAdded),
+                                                                buffer);
+                                          err = (ssize_t)events.size();
+                                      } else {
+                                          err = statusFromResult(result);
+                                      }
+                                  });
 
         if (ret.isOk()) {
             hidlTransportError = false;
@@ -216,9 +217,6 @@
 
             for (size_t i = 0; i < eventsToRead; i++) {
                 convertToSensorEvent(mEventBuffer[i], &buffer[i]);
-                android::SensorDeviceUtils::quantizeSensorEventValues(&buffer[i],
-                                                                      getResolutionForSensor(
-                                                                              buffer[i].sensor));
             }
             eventsRead = eventsToRead;
         } else {
@@ -482,7 +480,7 @@
     CHECK(mSensors != nullptr && mWakeLockQueue != nullptr && mEventQueueFlag != nullptr &&
           mWakeLockQueueFlag != nullptr);
 
-    mCallback = new SensorsCallback(mSensorDeviceCallback);
+    mCallback = sp<HidlSensorsCallback>::make(mSensorDeviceCallback);
     status_t status =
             checkReturnAndGetStatus(mSensors->initialize(*mWakeLockQueue->getDesc(), mCallback));
 
@@ -500,63 +498,18 @@
 
 void HidlSensorHalWrapper::convertToSensorEvent(const Event& src, sensors_event_t* dst) {
     android::hardware::sensors::V2_1::implementation::convertToSensorEvent(src, dst);
-
-    if (src.sensorType == android::hardware::sensors::V2_1::SensorType::DYNAMIC_SENSOR_META) {
-        const hardware::sensors::V1_0::DynamicSensorInfo& dyn = src.u.dynamic;
-
-        dst->dynamic_sensor_meta.connected = dyn.connected;
-        dst->dynamic_sensor_meta.handle = dyn.sensorHandle;
-        if (dyn.connected) {
-            std::unique_lock<std::mutex> lock(mDynamicSensorsMutex);
-            // Give MAX_DYN_SENSOR_WAIT_SEC for onDynamicSensorsConnected to be invoked since it
-            // can be received out of order from this event due to a bug in the HIDL spec that
-            // marks it as oneway.
-            auto it = mConnectedDynamicSensors.find(dyn.sensorHandle);
-            if (it == mConnectedDynamicSensors.end()) {
-                mDynamicSensorsCv.wait_for(lock, MAX_DYN_SENSOR_WAIT, [&, dyn] {
-                    return mConnectedDynamicSensors.find(dyn.sensorHandle) !=
-                            mConnectedDynamicSensors.end();
-                });
-                it = mConnectedDynamicSensors.find(dyn.sensorHandle);
-                CHECK(it != mConnectedDynamicSensors.end());
-            }
-
-            dst->dynamic_sensor_meta.sensor = &it->second;
-
-            memcpy(dst->dynamic_sensor_meta.uuid, dyn.uuid.data(),
-                   sizeof(dst->dynamic_sensor_meta.uuid));
-        }
-    }
 }
 
-void HidlSensorHalWrapper::convertToSensorEventsAndQuantize(
-        const hidl_vec<Event>& src, const hidl_vec<SensorInfo>& dynamicSensorsAdded,
-        sensors_event_t* dst) {
+void HidlSensorHalWrapper::convertToSensorEvents(const hidl_vec<Event>& src,
+                                                 const hidl_vec<SensorInfo>& dynamicSensorsAdded,
+                                                 sensors_event_t* dst) {
     if (dynamicSensorsAdded.size() > 0 && mCallback != nullptr) {
         mCallback->onDynamicSensorsConnected_2_1(dynamicSensorsAdded);
     }
 
     for (size_t i = 0; i < src.size(); ++i) {
-        android::hardware::sensors::V2_1::implementation::convertToSensorEvent(src[i], &dst[i]);
-        android::SensorDeviceUtils::quantizeSensorEventValues(&dst[i],
-                                                              getResolutionForSensor(
-                                                                      dst[i].sensor));
+        convertToSensorEvent(src[i], &dst[i]);
     }
 }
 
-float HidlSensorHalWrapper::getResolutionForSensor(int sensorHandle) {
-    for (size_t i = 0; i < mSensorList.size(); i++) {
-        if (sensorHandle == mSensorList[i].handle) {
-            return mSensorList[i].resolution;
-        }
-    }
-
-    auto it = mConnectedDynamicSensors.find(sensorHandle);
-    if (it != mConnectedDynamicSensors.end()) {
-        return it->second.resolution;
-    }
-
-    return 0;
-}
-
 } // namespace android
diff --git a/services/sensorservice/HidlSensorHalWrapper.h b/services/sensorservice/HidlSensorHalWrapper.h
index 030247f..71c3512 100644
--- a/services/sensorservice/HidlSensorHalWrapper.h
+++ b/services/sensorservice/HidlSensorHalWrapper.h
@@ -124,12 +124,6 @@
 private:
     sp<::android::hardware::sensors::V2_1::implementation::ISensorsWrapperBase> mSensors;
     sp<::android::hardware::sensors::V2_1::ISensorsCallback> mCallback;
-    std::vector<sensor_t> mSensorList;
-    std::unordered_map<int32_t, sensor_t> mConnectedDynamicSensors;
-
-    std::mutex mDynamicSensorsMutex;
-    std::condition_variable mDynamicSensorsCv;
-    static constexpr std::chrono::seconds MAX_DYN_SENSOR_WAIT{5};
 
     // Keep track of any hidl transport failures
     SensorServiceUtil::RingBuffer<HidlTransportErrorLog> mHidlTransportErrors;
@@ -153,9 +147,9 @@
 
     void convertToSensorEvent(const Event& src, sensors_event_t* dst);
 
-    void convertToSensorEventsAndQuantize(const hardware::hidl_vec<Event>& src,
-                                          const hardware::hidl_vec<SensorInfo>& dynamicSensorsAdded,
-                                          sensors_event_t* dst);
+    void convertToSensorEvents(const hardware::hidl_vec<Event>& src,
+                               const hardware::hidl_vec<SensorInfo>& dynamicSensorsAdded,
+                               sensors_event_t* dst);
 
     bool connectHidlService();
 
@@ -167,8 +161,6 @@
     typedef hardware::MessageQueue<uint32_t, hardware::kSynchronizedReadWrite> WakeLockQueue;
     std::unique_ptr<WakeLockQueue> mWakeLockQueue;
 
-    float getResolutionForSensor(int sensorHandle);
-
     hardware::EventFlag* mEventQueueFlag;
     hardware::EventFlag* mWakeLockQueueFlag;
 
diff --git a/services/sensorservice/SensorDevice.cpp b/services/sensorservice/SensorDevice.cpp
index ee621d6..a0e30ac 100644
--- a/services/sensorservice/SensorDevice.cpp
+++ b/services/sensorservice/SensorDevice.cpp
@@ -20,10 +20,15 @@
 #include "android/hardware/sensors/2.1/types.h"
 #include "convertV2_1.h"
 
+#include "AidlSensorHalWrapper.h"
+#include "HidlSensorHalWrapper.h"
+
 #include <android-base/logging.h>
 #include <android/util/ProtoOutputStream.h>
 #include <cutils/atomic.h>
 #include <frameworks/base/core/proto/android/service/sensor_service.proto.h>
+#include <hardware/sensors-base.h>
+#include <hardware/sensors.h>
 #include <sensors/convert.h>
 #include <utils/Errors.h>
 #include <utils/Singleton.h>
@@ -132,11 +137,18 @@
 SensorDevice::~SensorDevice() {}
 
 bool SensorDevice::connectHalService() {
+    std::unique_ptr<ISensorHalWrapper> aidl_wrapper = std::make_unique<AidlSensorHalWrapper>();
+    if (aidl_wrapper->connect(this)) {
+        mHalWrapper = std::move(aidl_wrapper);
+        return true;
+    }
+
     std::unique_ptr<ISensorHalWrapper> hidl_wrapper = std::make_unique<HidlSensorHalWrapper>();
     if (hidl_wrapper->connect(this)) {
         mHalWrapper = std::move(hidl_wrapper);
         return true;
     }
+
     // TODO: check aidl connection;
     return false;
 }
@@ -349,6 +361,35 @@
         ALOGE("Must support polling or FMQ");
         eventsRead = -1;
     }
+
+    if (eventsRead > 0) {
+        for (ssize_t i = 0; i < eventsRead; i++) {
+            float resolution = getResolutionForSensor(buffer[i].sensor);
+            android::SensorDeviceUtils::quantizeSensorEventValues(&buffer[i], resolution);
+
+            if (buffer[i].type == SENSOR_TYPE_DYNAMIC_SENSOR_META) {
+                struct dynamic_sensor_meta_event& dyn = buffer[i].dynamic_sensor_meta;
+                if (dyn.connected) {
+                    std::unique_lock<std::mutex> lock(mDynamicSensorsMutex);
+                    // Give MAX_DYN_SENSOR_WAIT_SEC for onDynamicSensorsConnected to be invoked
+                    // since it can be received out of order from this event due to a bug in the
+                    // HIDL spec that marks it as oneway.
+                    auto it = mConnectedDynamicSensors.find(dyn.handle);
+                    if (it == mConnectedDynamicSensors.end()) {
+                        mDynamicSensorsCv.wait_for(lock, MAX_DYN_SENSOR_WAIT, [&, dyn] {
+                            return mConnectedDynamicSensors.find(dyn.handle) !=
+                                    mConnectedDynamicSensors.end();
+                        });
+                        it = mConnectedDynamicSensors.find(dyn.handle);
+                        CHECK(it != mConnectedDynamicSensors.end());
+                    }
+
+                    dyn.sensor = &it->second;
+                }
+            }
+        }
+    }
+
     return eventsRead;
 }
 
diff --git a/services/sensorservice/SensorDevice.h b/services/sensorservice/SensorDevice.h
index 80e77d9..747a6b0 100644
--- a/services/sensorservice/SensorDevice.h
+++ b/services/sensorservice/SensorDevice.h
@@ -119,6 +119,7 @@
     // HAL implementations.
     std::mutex mDynamicSensorsMutex;
     std::condition_variable mDynamicSensorsCv;
+    static constexpr std::chrono::seconds MAX_DYN_SENSOR_WAIT{5};
 
     static const nsecs_t MINIMUM_EVENTS_PERIOD = 1000000; // 1000 Hz
     mutable Mutex mLock;                                  // protect mActivationCount[].batchParams
diff --git a/services/surfaceflinger/SurfaceFlinger.cpp b/services/surfaceflinger/SurfaceFlinger.cpp
index 89f3bd6..a6eeda2 100644
--- a/services/surfaceflinger/SurfaceFlinger.cpp
+++ b/services/surfaceflinger/SurfaceFlinger.cpp
@@ -3103,41 +3103,61 @@
 
 void SurfaceFlinger::buildWindowInfos(std::vector<WindowInfo>& outWindowInfos,
                                       std::vector<DisplayInfo>& outDisplayInfos) {
-    std::unordered_map<uint32_t /*layerStackId*/,
-                       std::pair<bool /* isSecure */, const ui::Transform>>
-            inputDisplayDetails;
+    struct Details {
+        Details(bool receivesInput, bool isSecure, const ui::Transform& transform,
+                const DisplayInfo& info)
+              : receivesInput(receivesInput),
+                isSecure(isSecure),
+                transform(std::move(transform)),
+                info(std::move(info)) {}
+        bool receivesInput;
+        bool isSecure;
+        ui::Transform transform;
+        DisplayInfo info;
+    };
+    std::unordered_map<uint32_t /*layerStackId*/, Details> inputDisplayDetails;
     for (const auto& [_, display] : ON_MAIN_THREAD(mDisplays)) {
-        if (!display->receivesInput()) {
-            continue;
-        }
         const uint32_t layerStackId = display->getLayerStack().id;
         const auto& [info, transform] = display->getInputInfo();
         const auto& [it, emplaced] =
-                inputDisplayDetails.try_emplace(layerStackId, display->isSecure(), transform);
-        if (!emplaced) {
-            ALOGE("Multiple displays claim to accept input for the same layer stack: %u",
-                  layerStackId);
+                inputDisplayDetails.try_emplace(layerStackId, display->receivesInput(),
+                                                display->isSecure(), transform, info);
+        if (emplaced) {
             continue;
         }
-        outDisplayInfos.emplace_back(info);
+
+        // There is more than one display for the layerStack. In this case, the display that is
+        // configured to receive input takes precedence.
+        auto& details = it->second;
+        if (!display->receivesInput()) {
+            continue;
+        }
+        ALOGE_IF(details.receivesInput,
+                 "Multiple displays claim to accept input for the same layer stack: %u",
+                 layerStackId);
+        details.receivesInput = display->receivesInput();
+        details.isSecure = display->isSecure();
+        details.transform = std::move(transform);
+        details.info = std::move(info);
     }
 
     mDrawingState.traverseInReverseZOrder([&](Layer* layer) {
         if (!layer->needsInputInfo()) return;
 
-        bool isSecure = true;
-        ui::Transform displayTransform = ui::Transform();
-
         const uint32_t layerStackId = layer->getLayerStack().id;
         const auto it = inputDisplayDetails.find(layerStackId);
-        if (it != inputDisplayDetails.end()) {
-            const auto& [secure, transform] = it->second;
-            isSecure = secure;
-            displayTransform = transform;
+        if (it == inputDisplayDetails.end()) {
+            // Do not create WindowInfos for windows on displays that cannot receive input.
+            return;
         }
 
-        outWindowInfos.push_back(layer->fillInputInfo(displayTransform, isSecure));
+        const auto& details = it->second;
+        outWindowInfos.push_back(layer->fillInputInfo(details.transform, details.isSecure));
     });
+
+    for (const auto& [_, details] : inputDisplayDetails) {
+        outDisplayInfos.push_back(std::move(details.info));
+    }
 }
 
 void SurfaceFlinger::updateCursorAsync() {