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54 lines
1.7 KiB
54 lines
1.7 KiB
/*
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* Copyright 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 "trusty/secure_dpu/SecureDpu.h"
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#include <android-base/result.h>
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#include <string>
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#include <trusty/tipc.h>
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#include <BufferAllocator/BufferAllocatorWrapper.h>
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namespace android {
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namespace trusty {
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namespace secure_dpu {
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class DPUHandler {
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private:
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static constexpr const int kInvalidFd = -1;
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int dpu_handle_;
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BufferAllocator* buf_allocator_;
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android::base::Result<void> HandleStartSecureDisplay();
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android::base::Result<void> HandleStopSecureDisplay();
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android::base::Result<void> AllocateBuffer(size_t req_buffer_len, size_t* allocated_buffer_len,
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int* buf_fd);
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android::base::Result<void> HandleAllocateBuffer(const secure_dpu_allocate_buffer_req* req);
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android::base::Result<void> HandleCmd(const void* in_buf, const size_t in_size);
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public:
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DPUHandler();
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~DPUHandler();
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android::base::Result<void> Init(std::string device_name);
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android::base::Result<void> Handle();
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};
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} // namespace secure_dpu
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} // namespace trusty
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} // namespace android
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