/* * Copyright 2026 Advanced Micro Devices, Inc. * * Permission is hereby granted, free of charge, to any person obtaining a * copy of this software and associated documentation files (the "Software"), * to deal in the Software without restriction, including without limitation * the rights to use, copy, modify, merge, publish, distribute, sublicense, * and/or sell copies of the Software, and to permit persons to whom the * Software is furnished to do so, subject to the following conditions: * * The above copyright notice and this permission notice shall be included in * all copies or substantial portions of the Software. * * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR * OTHER DEALINGS IN THE SOFTWARE. */#ifndef __AMDGPU_PTL_H__#define __AMDGPU_PTL_H__enum amdgpu_ptl_fmt { AMDGPU_PTL_FMT_I8 = 0, AMDGPU_PTL_FMT_F16 = 1, AMDGPU_PTL_FMT_BF16 = 2, AMDGPU_PTL_FMT_F32 = 3, AMDGPU_PTL_FMT_F64 = 4, AMDGPU_PTL_FMT_F8 = 5, AMDGPU_PTL_FMT_VECTOR = 6, AMDGPU_PTL_FMT_INVALID = 7,};enum amdgpu_ptl_disable_source { AMDGPU_PTL_DISABLE_SYSFS = 0, AMDGPU_PTL_DISABLE_PROFILER, AMDGPU_PTL_DISABLE_MAX,};enum amdgpu_ptl_hw_supported_state { AMDGPU_PTL_HW_UNINIT = 0, /* Not yet initialized */ AMDGPU_PTL_HW_SUPPORTED, /* Initialized and supported */ AMDGPU_PTL_HW_NOT_SUPPORTED, /* Initialized and not supported */};struct amdgpu_ptl { enum amdgpu_ptl_fmt fmt1; enum amdgpu_ptl_fmt fmt2; bool enabled; enum amdgpu_ptl_hw_supported_state hw_supported_state; bool permanently_disabled; /* PTL disable reference counting */ atomic_t disable_ref; struct mutex mutex; DECLARE_BITMAP(disable_bitmap, AMDGPU_PTL_DISABLE_MAX); bool ptl_sysfs_created;};int amdgpu_ptl_perf_monitor_ctrl(struct amdgpu_device *adev, u32 req_code, u32 *ptl_state, enum amdgpu_ptl_fmt *fmt1, enum amdgpu_ptl_fmt *fmt2);int amdgpu_ptl_sysfs_init(struct amdgpu_device *adev);void amdgpu_ptl_sysfs_fini(struct amdgpu_device *adev);extern const struct attribute_group amdgpu_ptl_attr_group;#endif /* __AMDGPU_PTL_H__ */
/*
* Copyright 2026 Advanced Micro Devices, Inc.
*
* Permission is hereby granted, free of charge, to any person obtaining a
* copy of this software and associated documentation files (the "Software"),
* to deal in the Software without restriction, including without limitation
* the rights to use, copy, modify, merge, publish, distribute, sublicense,
* and/or sell copies of the Software, and to permit persons to whom the
* Software is furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
* THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
* OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
* ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
* OTHER DEALINGS IN THE SOFTWARE.
*/
#ifndef __AMDGPU_PTL_H__
#define __AMDGPU_PTL_H__
enum amdgpu_ptl_fmt {
AMDGPU_PTL_FMT_I8 = 0,
AMDGPU_PTL_FMT_F16 = 1,
AMDGPU_PTL_FMT_BF16 = 2,
AMDGPU_PTL_FMT_F32 = 3,
AMDGPU_PTL_FMT_F64 = 4,
AMDGPU_PTL_FMT_F8 = 5,
AMDGPU_PTL_FMT_VECTOR = 6,
AMDGPU_PTL_FMT_INVALID = 7,
};
enum amdgpu_ptl_disable_source {
AMDGPU_PTL_DISABLE_SYSFS = 0,
AMDGPU_PTL_DISABLE_PROFILER,
AMDGPU_PTL_DISABLE_MAX,
};
enum amdgpu_ptl_hw_supported_state {
AMDGPU_PTL_HW_UNINIT = 0, /* Not yet initialized */
AMDGPU_PTL_HW_SUPPORTED, /* Initialized and supported */
AMDGPU_PTL_HW_NOT_SUPPORTED, /* Initialized and not supported */
};
struct amdgpu_ptl {
enum amdgpu_ptl_fmt fmt1;
enum amdgpu_ptl_fmt fmt2;
bool enabled;
enum amdgpu_ptl_hw_supported_state hw_supported_state;
bool permanently_disabled;
/* PTL disable reference counting */
atomic_t disable_ref;
struct mutex mutex;
DECLARE_BITMAP(disable_bitmap, AMDGPU_PTL_DISABLE_MAX);
bool ptl_sysfs_created;
};
int amdgpu_ptl_perf_monitor_ctrl(struct amdgpu_device *adev, u32 req_code,
u32 *ptl_state,
enum amdgpu_ptl_fmt *fmt1,
enum amdgpu_ptl_fmt *fmt2);
int amdgpu_ptl_sysfs_init(struct amdgpu_device *adev);
void amdgpu_ptl_sysfs_fini(struct amdgpu_device *adev);
extern const struct attribute_group amdgpu_ptl_attr_group;
#endif /* __AMDGPU_PTL_H__ */