1 /* 2 * Copyright 2026 Advanced Micro Devices, Inc. 3 * 4 * Permission is hereby granted, free of charge, to any person obtaining a 5 * copy of this software and associated documentation files (the "Software"), 6 * to deal in the Software without restriction, including without limitation 7 * the rights to use, copy, modify, merge, publish, distribute, sublicense, 8 * and/or sell copies of the Software, and to permit persons to whom the 9 * Software is furnished to do so, subject to the following conditions: 10 * 11 * The above copyright notice and this permission notice shall be included in 12 * all copies or substantial portions of the Software. 13 * 14 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR 15 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, 16 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL 17 * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR 18 * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, 19 * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR 20 * OTHER DEALINGS IN THE SOFTWARE. 21 */ 22 23 #ifndef __AMDGPU_PTL_H__ 24 #define __AMDGPU_PTL_H__ 25 26 enum amdgpu_ptl_fmt { 27 AMDGPU_PTL_FMT_I8 = 0, 28 AMDGPU_PTL_FMT_F16 = 1, 29 AMDGPU_PTL_FMT_BF16 = 2, 30 AMDGPU_PTL_FMT_F32 = 3, 31 AMDGPU_PTL_FMT_F64 = 4, 32 AMDGPU_PTL_FMT_F8 = 5, 33 AMDGPU_PTL_FMT_VECTOR = 6, 34 AMDGPU_PTL_FMT_INVALID = 7, 35 }; 36 37 enum amdgpu_ptl_disable_source { 38 AMDGPU_PTL_DISABLE_SYSFS = 0, 39 AMDGPU_PTL_DISABLE_PROFILER, 40 AMDGPU_PTL_DISABLE_MAX, 41 }; 42 43 enum amdgpu_ptl_hw_supported_state { 44 AMDGPU_PTL_HW_UNINIT = 0, /* Not yet initialized */ 45 AMDGPU_PTL_HW_SUPPORTED, /* Initialized and supported */ 46 AMDGPU_PTL_HW_NOT_SUPPORTED, /* Initialized and not supported */ 47 }; 48 49 struct amdgpu_ptl { 50 enum amdgpu_ptl_fmt fmt1; 51 enum amdgpu_ptl_fmt fmt2; 52 bool enabled; 53 enum amdgpu_ptl_hw_supported_state hw_supported_state; 54 bool permanently_disabled; 55 /* PTL disable reference counting */ 56 atomic_t disable_ref; 57 struct mutex mutex; 58 DECLARE_BITMAP(disable_bitmap, AMDGPU_PTL_DISABLE_MAX); 59 bool ptl_sysfs_created; 60 }; 61 62 int amdgpu_ptl_perf_monitor_ctrl(struct amdgpu_device *adev, u32 req_code, 63 u32 *ptl_state, 64 enum amdgpu_ptl_fmt *fmt1, 65 enum amdgpu_ptl_fmt *fmt2); 66 67 int amdgpu_ptl_sysfs_init(struct amdgpu_device *adev); 68 void amdgpu_ptl_sysfs_fini(struct amdgpu_device *adev); 69 70 extern const struct attribute_group amdgpu_ptl_attr_group; 71 #endif /* __AMDGPU_PTL_H__ */ 72