1 #pragma once 2 /* 3 * Copyright (C) 2018 The Android Open Source Project 4 * 5 * Licensed under the Apache License, Version 2.0 (the "License"); 6 * you may not use this file except in compliance with the License. 7 * You may obtain a copy of the License at 8 * 9 * http://www.apache.org/licenses/LICENSE-2.0 10 * 11 * Unless required by applicable law or agreed to in writing, software 12 * distributed under the License is distributed on an "AS IS" BASIS, 13 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 14 * See the License for the specific language governing permissions and 15 * limitations under the License. 16 */ 17 18 #include <stdint.h> 19 20 #include <vector> 21 22 namespace vsoc { 23 24 class VSoCRegionLayout { 25 public: 26 virtual const char* region_name() const = 0; 27 virtual const char* managed_by() const = 0; 28 29 virtual size_t layout_size() const = 0; 30 virtual int guest_to_host_signal_table_log_size() const = 0; 31 virtual int host_to_guest_signal_table_log_size() const = 0; 32 protected: 33 VSoCRegionLayout() = default; 34 virtual ~VSoCRegionLayout() = default; 35 }; 36 37 class VSoCMemoryLayout { 38 public: 39 // Returns a pointer to the memory layout singleton. 40 static VSoCMemoryLayout* Get(); 41 42 VSoCMemoryLayout(const VSoCMemoryLayout&) = delete; 43 VSoCMemoryLayout(VSoCMemoryLayout&&) = delete; 44 45 virtual std::vector<const VSoCRegionLayout *> GetRegions() const = 0; 46 virtual const VSoCRegionLayout* GetRegionByName( 47 const char* region_name) const = 0; 48 protected: 49 VSoCMemoryLayout() = default; 50 virtual ~VSoCMemoryLayout() = default; 51 }; 52 53 } // namespace vsoc 54