src/gpu-compute/cl_driver.hh

   1 /*
   2  * Copyright (c) 2012-2015 Advanced Micro Devices, Inc.
   3  * All rights reserved.
   4  *
   5  * For use for simulation and test purposes only
   6  *
   7  * Redistribution and use in source and binary forms, with or without
   8  * modification, are permitted provided that the following conditions are met:
   9  *
  10  * 1. Redistributions of source code must retain the above copyright notice,
  11  * this list of conditions and the following disclaimer.
  12  *
  13  * 2. Redistributions in binary form must reproduce the above copyright notice,
  14  * this list of conditions and the following disclaimer in the documentation
  15  * and/or other materials provided with the distribution.
  16  *
  17  * 3. Neither the name of the copyright holder nor the names of its contributors
  18  * may be used to endorse or promote products derived from this software
  19  * without specific prior written permission.
  20  *
  21  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
  22  * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  23  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
  24  * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
  25  * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
  26  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
  27  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
  28  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
  29  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
  30  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
  31  * POSSIBILITY OF SUCH DAMAGE.
  32  *
  33  * Author: Anthony Gutierrez
  34  */
  35
  36 #ifndef __CL_DRIVER_HH__
  37 #define __CL_DRIVER_HH__
  38
  39 #include <vector>
  40
  41 #include "gpu-compute/hsa_kernel_info.hh"
  42 #include "sim/emul_driver.hh"
  43
  44 class GpuDispatcher;
  45 class HsaCode;
  46 class Process;
  47 class ThreadContext;
  48
  49 struct ClDriverParams;
  50
  51 class ClDriver final : public EmulatedDriver
  52 {
  53   public:
  54     ClDriver(ClDriverParams *p);
  55     void handshake(GpuDispatcher *_dispatcher);
  56     int open(ThreadContext *tc, int mode, int flags);
  57     int ioctl(ThreadContext *tc, unsigned req, Addr buf);
  58     const char* codeOffToKernelName(uint64_t code_ptr);
  59
  60   private:
  61     GpuDispatcher *dispatcher;
  62
  63     std::vector<const std::string*> codeFiles;
  64
  65     // All the kernels we know about
  66     std::vector<HsaCode*> kernels;
  67     std::vector<HsaCode*> functions;
  68
  69     std::vector<HsaKernelInfo> kernelInfo;
  70
  71     // maximum size necessary for function arguments
  72     int maxFuncArgsSize;
  73     // The host virtual address for the kernel code
  74     uint64_t hsaCode;
  75 };
  76
  77 #endif // __CL_DRIVER_HH__