f363704a92
Since affinity permission is changed from root to system, original permission change by script can't be used. Therefore, this patch will move the functionality to usb gadget hal. Bug: 220996010 Test: dwc3 irq could be located in medium/big cores after USB function switch Change-Id: Id993db9fc303e85a9a6337a0e41b1dfd6fc9a86a
121 lines
4.1 KiB
C++
121 lines
4.1 KiB
C++
/*
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* Copyright (C) 2020 The Android Open Source Project
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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#pragma once
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#include <android-base/file.h>
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#include <android-base/properties.h>
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#include <android-base/unique_fd.h>
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#include <android-base/parseint.h>
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#include <android-base/strings.h>
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#include <android/hardware/usb/gadget/1.2/IUsbGadget.h>
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#include <android/hardware/usb/gadget/1.2/types.h>
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#include <hidl/MQDescriptor.h>
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#include <hidl/Status.h>
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#include <pixelusb/UsbGadgetCommon.h>
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#include <sys/epoll.h>
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#include <sys/eventfd.h>
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#include <utils/Log.h>
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#include <chrono>
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#include <condition_variable>
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#include <mutex>
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#include <string>
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#include <thread>
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namespace android {
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namespace hardware {
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namespace usb {
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namespace gadget {
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namespace V1_2 {
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namespace implementation {
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using ::android::sp;
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using ::android::base::GetProperty;
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using ::android::base::SetProperty;
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using ::android::base::ParseUint;
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using ::android::base::unique_fd;
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using ::android::base::ReadFileToString;
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using ::android::base::Trim;
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using ::android::base::WriteStringToFile;
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using ::android::hardware::hidl_array;
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using ::android::hardware::hidl_memory;
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using ::android::hardware::hidl_string;
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using ::android::hardware::hidl_vec;
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using ::android::hardware::Return;
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using ::android::hardware::Void;
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using ::android::hardware::google::pixel::usb::addAdb;
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using ::android::hardware::google::pixel::usb::addEpollFd;
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using ::android::hardware::google::pixel::usb::getVendorFunctions;
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using ::android::hardware::google::pixel::usb::kDebug;
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using ::android::hardware::google::pixel::usb::kDisconnectWaitUs;
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using ::android::hardware::google::pixel::usb::linkFunction;
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using ::android::hardware::google::pixel::usb::MonitorFfs;
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using ::android::hardware::google::pixel::usb::resetGadget;
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using ::android::hardware::google::pixel::usb::setVidPid;
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using ::android::hardware::google::pixel::usb::unlinkFunctions;
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using ::android::hardware::usb::gadget::V1_0::Status;
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using ::android::hardware::usb::gadget::V1_0::IUsbGadgetCallback;
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using ::android::hardware::usb::gadget::V1_2::IUsbGadget;
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using ::android::hardware::usb::gadget::V1_2::GadgetFunction;
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using ::std::string;
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constexpr char kGadgetName[] = "11210000.dwc3";
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constexpr char kProcInterruptsPath[] = "/proc/interrupts";
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constexpr char kProcIrqPath[] = "/proc/irq/";
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constexpr char kSmpAffinityList[] = "/smp_affinity_list";
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#ifndef UDC_PATH
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#define UDC_PATH "/sys/class/udc/11210000.dwc3/"
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#endif
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static MonitorFfs monitorFfs(kGadgetName);
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#define SPEED_PATH UDC_PATH "current_speed"
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#define BIG_CORE "6"
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#define MEDIUM_CORE "4"
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struct UsbGadget : public IUsbGadget {
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UsbGadget();
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// Makes sure that only one request is processed at a time.
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std::mutex mLockSetCurrentFunction;
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std::string mGadgetIrqPath;
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uint64_t mCurrentUsbFunctions;
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bool mCurrentUsbFunctionsApplied;
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UsbSpeed mUsbSpeed;
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Return<void> setCurrentUsbFunctions(uint64_t functions,
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const sp<V1_0::IUsbGadgetCallback> &callback,
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uint64_t timeout) override;
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Return<void> getCurrentUsbFunctions(const sp<V1_0::IUsbGadgetCallback> &callback) override;
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Return<Status> reset() override;
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Return<void> getUsbSpeed(const sp<V1_2::IUsbGadgetCallback> &callback) override;
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private:
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Status tearDownGadget();
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Status getUsbGadgetIrqPath();
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Status setupFunctions(uint64_t functions, const sp<V1_0::IUsbGadgetCallback> &callback,
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uint64_t timeout);
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};
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} // namespace implementation
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} // namespace V1_2
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} // namespace gadget
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} // namespace usb
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} // namespace hardware
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} // namespace android
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