1 /* 2 * SPDX-FileCopyrightText: Copyright (c) 2022 NVIDIA CORPORATION & AFFILIATES. All rights reserved. 3 * SPDX-License-Identifier: MIT 4 * 5 * Permission is hereby granted, free of charge, to any person obtaining a 6 * copy of this software and associated documentation files (the "Software"), 7 * to deal in the Software without restriction, including without limitation 8 * the rights to use, copy, modify, merge, publish, distribute, sublicense, 9 * and/or sell copies of the Software, and to permit persons to whom the 10 * Software is furnished to do so, subject to the following conditions: 11 * 12 * The above copyright notice and this permission notice shall be included in 13 * all copies or substantial portions of the Software. 14 * 15 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR 16 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, 17 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL 18 * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER 19 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING 20 * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER 21 * DEALINGS IN THE SOFTWARE. 22 */ 23 24 #ifndef GPU_SHARED_DATA_MAP_H 25 #define GPU_SHARED_DATA_MAP_H 26 27 #include "core/core.h" 28 #include "gpu/mem_mgr/mem_desc.h" 29 #include "class/cl00de.h" 30 31 // **************************************************************************** 32 // Type definitions 33 // **************************************************************************** 34 35 typedef struct GpuSharedDataMap { 36 MEMORY_DESCRIPTOR *pMemDesc; 37 NvP64 pMapBuffer; 38 NvP64 pMapBufferPriv; 39 NvU32 processId; 40 41 NV00DE_SHARED_DATA data; 42 } GpuSharedDataMap; 43 44 typedef struct GspUserSharedData { 45 NvU32 gspAssertCount; 46 } GspUserSharedData; 47 48 /** 49 * Start data write, returns data struct to write into 50 * 51 * After updating data in the returned NV00DE_SHARED_DATA struct, 52 * call gpushareddataWriteFinish to push the new data into the user mapping 53 */ 54 NV00DE_SHARED_DATA * gpushareddataWriteStart(OBJGPU *pGpu); 55 // Finish data write, pushes data cached by above into mapped data 56 void gpushareddataWriteFinish(OBJGPU *pGpu); 57 58 #endif /* GPU_SHARED_DATA_MAP_H */ 59 60