Bill(Shuzhou) Liu
55bf9cbe13
Support the driver date from libdrm. Change-Id: I88e694732b538220e11fdb4029712bb5a6f44380
105 строки
4.1 KiB
C++
105 строки
4.1 KiB
C++
/*
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* =============================================================================
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* The University of Illinois/NCSA
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* Open Source License (NCSA)
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*
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* Copyright (c) 2022, Advanced Micro Devices, Inc.
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* All rights reserved.
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*
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* Developed by:
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*
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* AMD Research and AMD ROC Software Development
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*
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* Advanced Micro Devices, Inc.
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*
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* www.amd.com
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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
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* deal with the Software without restriction, including without limitation
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* the rights to use, copy, modify, merge, publish, distribute, sublicense,
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* and/or sell copies of the Software, and to permit persons to whom the
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* Software is furnished to do so, subject to the following conditions:
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*
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* - Redistributions of source code must retain the above copyright notice,
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* this list of conditions and the following disclaimers.
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* - Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimers in
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* the documentation and/or other materials provided with the distribution.
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* - Neither the names of <Name of Development Group, Name of Institution>,
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* nor the names of its contributors may be used to endorse or promote
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* products derived from this Software without specific prior written
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* permission.
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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
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* THE CONTRIBUTORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR
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* OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
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* ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
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* DEALINGS WITH THE SOFTWARE.
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*
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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 <xf86drm.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 "amd_smi/amdsmi.h"
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#include "amd_smi/impl/amd_smi_lib_loader.h"
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namespace amd {
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namespace 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_drm_fd_by_index(uint32_t gpu_index, uint32_t *fd_info) const;
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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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amdsmi_status_t amdgpu_query_info(int fd, unsigned info_id,
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unsigned size, void *value);
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amdsmi_status_t amdgpu_query_fw(int fd, unsigned info_id, unsigned fw_type,
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unsigned size, void *value);
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amdsmi_status_t amdgpu_query_hw_ip(int fd, unsigned info_id,
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unsigned hw_ip_type, unsigned size, void *value);
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amdsmi_status_t amdgpu_query_vbios(int fd, void *info);
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amdsmi_status_t amdgpu_query_driver_date(int fd, std::string& driver_date);
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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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using DrmCmdWriteFunc = int (*)(int, unsigned long, void *, unsigned long);
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std::vector<int> drm_fds_; // drm file descriptor by gpu_index
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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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DrmCmdWriteFunc drm_cmd_write_; // drmCommandWrite
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using drmGetVersionFunc = drmVersionPtr (*)(int); // drmGetVersion
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using drmFreeVersionFunc = void (*)(drmVersionPtr); // drmFreeVersion
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drmGetVersionFunc drm_get_version_;
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drmFreeVersionFunc drm_free_version_;
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std::mutex drm_mutex_;
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};
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} // namespace smi
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} // namespace amd
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#endif // AMD_SMI_INCLUDE_IMPL_AMD_SMI_DRM_H_
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