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