1/* 2// Copyright (c) 2014 Intel Corporation 3// 4// Licensed under the Apache License, Version 2.0 (the "License"); 5// you may not use this file except in compliance with the License. 6// You may obtain a copy of the License at 7// 8// http://www.apache.org/licenses/LICENSE-2.0 9// 10// Unless required by applicable law or agreed to in writing, software 11// distributed under the License is distributed on an "AS IS" BASIS, 12// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13// See the License for the specific language governing permissions and 14// limitations under the License. 15*/ 16#ifndef WSBM_H__ 17#define WSBM_H__ 18 19#include <common/WsbmWrapper.h> 20 21/** 22 * Class: WSBM 23 * A wrapper class to use libwsbm functionalities 24 */ 25class Wsbm 26{ 27private: 28 int mDrmFD; 29public: 30 Wsbm(int drmFD); 31 ~Wsbm(); 32 bool initialize(); 33 void deinitialize(); 34 bool allocateTTMBuffer(uint32_t size, uint32_t align,void ** buf); 35 bool allocateTTMBufferUB(uint32_t size, uint32_t align, void ** buf, void *user_pt); 36 bool destroyTTMBuffer(void * buf); 37 void * getCPUAddress(void * buf); 38 uint32_t getGttOffset(void * buf); 39 bool wrapTTMBuffer(int64_t handle, void **buf); 40 bool unreferenceTTMBuffer(void *buf); 41 bool waitIdleTTMBuffer(void *buf); 42 uint64_t getKBufHandle(void *buf); 43private: 44 bool mInitialized; 45}; 46 47#endif /*__INTEL_WSBM_H__*/ 48