1 /* 2 * SPDX-FileCopyrightText: Copyright (c) 2021-2022 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 KERNEL_PERF_GPU_BOOST_SYNC_H 25 #define KERNEL_PERF_GPU_BOOST_SYNC_H 26 27 /* ------------------------ Includes --------------------------------------- */ 28 #include "power/gpu_boost_mgr.h" 29 #include "ctrl/ctrl2080/ctrl2080internal.h" 30 31 /* ------------------------ Macros ----------------------------------------- */ 32 /* ------------------------ Datatypes -------------------------------------- */ 33 /* 34 * GPU Boost synchronization info 35 */ 36 struct KERNEL_PERF_GPU_BOOST_SYNC 37 { 38 /*! 39 * Cached GPU Boost synchronization limits. 40 */ 41 NvU32 limits[NV2080_CTRL_INTERNAL_PERF_SYNC_GPU_BOOST_LIMITS_NUM]; 42 43 /*! 44 * Hysteresis value for GPU Boost synchronization hysteresis algorithm. 45 */ 46 NvU64 hysteresisus; 47 48 /*! 49 * Hysteresis algorithm for SLI GPU Boost synchronization enabled 50 */ 51 NvBool bHystersisEnable; 52 53 /*! 54 * SLI GPU Boost feature is enabled. 55 */ 56 NvBool bSliGpuBoostSyncEnable; 57 58 /*! 59 * Bridgeless information, supports only MIO bridge 60 */ 61 NvBool bBridgeless; 62 }; 63 64 /*! 65 * SLI GPU Boost synchronization sub-structure. 66 */ 67 typedef struct 68 { 69 /*! 70 * Timestamp of previous GPU Boost synchronization loop. 71 */ 72 NvU64 prevChangeTsns; 73 74 /*! 75 * Limits of previous GPU Boost synchronization loop. 76 */ 77 NvU32 prevLimits[NV2080_CTRL_INTERNAL_PERF_SYNC_GPU_BOOST_LIMITS_NUM]; 78 } SLI_GPU_BOOST_SYNC; 79 80 /* ------------------------ Function Prototypes ---------------------------- */ 81 NV_STATUS kperfGpuBoostSyncStateUpdate(OBJGPUBOOSTMGR *pBoostMgr, NvU32 boostGroupId, NvBool bActivate); 82 NV_STATUS kPerfGpuBoostSyncBridgelessUpdateInfo(OBJGPU *pGpu, NvBool bBridgeless); 83 84 #endif // KERNEL_PERF_GPU_BOOST_SYNC_H 85