Mario Limonciello (AMD)
0c7c849c42
Signed-off-by: Mario Limonciello (AMD) <superm1@kernel.org>
[ROCm/amdsmi commit: eacec681dd]
69 baris
2.4 KiB
C++
69 baris
2.4 KiB
C++
/*
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* Copyright (c) Advanced Micro Devices, Inc. All rights reserved.
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*
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* Permission is hereby granted, free of charge, to any person obtaining a copy
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* of this software and associated documentation files (the "Software"), to deal
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* in the Software without restriction, including without limitation the rights
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* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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* copies of the Software, and to permit persons to whom the Software is
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* furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be included in
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* all copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
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* THE SOFTWARE.
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*/
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#ifndef AMD_SMI_INCLUDE_IMPL_AMD_SMI_DRM_H_
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#define AMD_SMI_INCLUDE_IMPL_AMD_SMI_DRM_H_
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#include <unistd.h>
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#include <vector>
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#include <memory>
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#include <mutex> // NOLINT
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#include <string>
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#include "amd_smi/amdsmi.h"
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#include "amd_smi/impl/amd_smi_lib_loader.h"
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#include "amd_smi/impl/amdgpu_drm.h"
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#include "amd_smi/impl/xf86drm.h"
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#include "amd_smi/impl/scoped_fd.h"
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namespace amd::smi {
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class AMDSmiDrm {
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public:
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amdsmi_status_t init();
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amdsmi_status_t cleanup();
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amdsmi_status_t get_bdf_by_index(uint32_t gpu_index, amdsmi_bdf_t *bdf_info) const;
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amdsmi_status_t get_drm_path_by_index(uint32_t gpu_index, std::string *drm_path) const;
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std::vector<amdsmi_bdf_t> get_bdfs();
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std::vector<std::string>& get_drm_paths();
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bool check_if_drm_is_supported();
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uint32_t get_vendor_id();
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private:
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// when file is not found, the empty string will be returned
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std::string find_file_in_folder(const std::string& folder,
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const std::string& regex);
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std::vector<std::string> drm_paths_; // drm path (renderD128 for example)
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std::vector<amdsmi_bdf_t> drm_bdfs_; // bdf
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uint32_t vendor_id;
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AMDSmiLibraryLoader lib_loader_; // lazy load libdrm
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std::mutex drm_mutex_;
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};
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} // namespace amd::smi
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#endif // AMD_SMI_INCLUDE_IMPL_AMD_SMI_DRM_H_
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