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