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// Copyright 2020 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 "GoldfishSyncCommandQueue.h"
#include <memory>
#include <string>
#include <vector>
namespace android {
using base::Stream;
static GoldfishSyncCommandQueue* sCommandQueue() {
static GoldfishSyncCommandQueue* s = new GoldfishSyncCommandQueue;
return s;
}
// static
void GoldfishSyncCommandQueue::initThreading(VmLock* vmLock) {
// TODO: trivial timer implementation for now.
sCommandQueue()->init(vmLock, {
[](DeviceContextRunner<GoldfishSyncWakeInfo>* dcr, std::function<void()> installedCallback) {
(void)dcr;
(void)installedCallback;
},
[](DeviceContextRunner<GoldfishSyncWakeInfo>* dcr) {
(void)dcr;
},
[](DeviceContextRunner<GoldfishSyncWakeInfo>* dcr, uint64_t timeout) {
(void)dcr;
(void)timeout;
},
});
}
// static
void GoldfishSyncCommandQueue::setQueueCommand(queue_device_command_t fx) {
GoldfishSyncCommandQueue* cmdQueue = sCommandQueue();
cmdQueue->tellSyncDevice = fx;
}
// static
void GoldfishSyncCommandQueue::hostSignal(uint32_t cmd,
uint64_t handle,
uint32_t time_arg,
uint64_t hostcmd_handle) {
GoldfishSyncCommandQueue* queue = sCommandQueue();
GoldfishSyncWakeInfo sync_data;
sync_data.cmd = cmd;
sync_data.handle = handle;
sync_data.time_arg = time_arg;
sync_data.hostcmd_handle = hostcmd_handle;
queue->queueDeviceOperation(sync_data);
}
// static
void GoldfishSyncCommandQueue::save(Stream* stream) {
GoldfishSyncCommandQueue* queue = sCommandQueue();
stream->putBe32(queue->numPending());
queue->forEachPendingOperation([stream](const GoldfishSyncWakeInfo& wakeInfo) {
stream->putBe64(wakeInfo.handle);
stream->putBe64(wakeInfo.hostcmd_handle);
stream->putBe32(wakeInfo.cmd);
stream->putBe32(wakeInfo.time_arg);
});
}
// static
void GoldfishSyncCommandQueue::load(Stream* stream) {
GoldfishSyncCommandQueue* queue = sCommandQueue();
queue->removeAllPendingOperations(
[](const GoldfishSyncWakeInfo&) { return true; });
uint32_t pending = stream->getBe32();
for (uint32_t i = 0; i < pending; i++) {
GoldfishSyncWakeInfo cmd = {
stream->getBe64(), // handle
stream->getBe64(), // hostcmd_handle
stream->getBe32(), // cmd
stream->getBe32(), // time_arg
};
queue->queueDeviceOperation(cmd);
}
}
void GoldfishSyncCommandQueue::performDeviceOperation
(const GoldfishSyncWakeInfo& wakeInfo) {
tellSyncDevice(wakeInfo.cmd,
wakeInfo.handle,
wakeInfo.time_arg,
wakeInfo.hostcmd_handle);
}
} // namespace android
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