文件
rocm-systems/projects/amdsmi/include/amd_smi/impl/amd_smi_drm.h
T
Joe Narlo bad2cc9c23 SWDEV-495787 [AMDSMI] Different license headers
Change copyrights to MIT and remove date

Signed-off-by: Joe Narlo <Joseph.Narlo@amd.com>
Change-Id: I16f5b412f2b9ddefaaa1771aa714cc18829a1be4


[ROCm/amdsmi commit: 3052ad4220]
2024-11-22 08:55:28 -05:00

85 行
3.4 KiB
C++

/*
* Copyright (c) Advanced Micro Devices, Inc. All rights reserved.
*
* 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
* AUTHORS OR COPYRIGHT HOLDERS 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 AMD_SMI_INCLUDE_IMPL_AMD_SMI_DRM_H_
#define AMD_SMI_INCLUDE_IMPL_AMD_SMI_DRM_H_
#include <unistd.h>
#include <xf86drm.h>
#include <vector>
#include <memory>
#include <mutex> // NOLINT
#include "amd_smi/amdsmi.h"
#include "amd_smi/impl/amd_smi_lib_loader.h"
namespace amd {
namespace smi {
class AMDSmiDrm {
public:
amdsmi_status_t init();
amdsmi_status_t cleanup();
amdsmi_status_t get_drm_fd_by_index(uint32_t gpu_index, uint32_t *fd_info) const;
amdsmi_status_t get_bdf_by_index(uint32_t gpu_index, amdsmi_bdf_t *bdf_info) const;
amdsmi_status_t get_drm_path_by_index(uint32_t gpu_index, std::string *drm_path) const;
std::vector<amdsmi_bdf_t> get_bdfs();
std::vector<std::string>& get_drm_paths();
bool check_if_drm_is_supported();
uint32_t get_vendor_id();
amdsmi_status_t amdgpu_query_info(int fd, unsigned info_id,
unsigned size, void *value);
amdsmi_status_t amdgpu_query_fw(int fd, unsigned info_id, unsigned fw_type,
unsigned size, void *value);
amdsmi_status_t amdgpu_query_hw_ip(int fd, unsigned info_id,
unsigned hw_ip_type, unsigned size, void *value);
amdsmi_status_t amdgpu_query_vbios(int fd, void *info);
amdsmi_status_t amdgpu_query_driver_name(int fd, std::string& driver_name);
amdsmi_status_t amdgpu_query_driver_date(int fd, std::string& driver_date);
private:
// when file is not found, the empty string will be returned
std::string find_file_in_folder(const std::string& folder,
const std::string& regex);
using DrmCmdWriteFunc = int (*)(int, unsigned long, void *, unsigned long);
std::vector<int> drm_fds_; // drm file descriptor by gpu_index
std::vector<std::string> drm_paths_; // drm path (renderD128 for example)
std::vector<amdsmi_bdf_t> drm_bdfs_; // bdf
uint32_t vendor_id;
AMDSmiLibraryLoader lib_loader_; // lazy load libdrm
DrmCmdWriteFunc drm_cmd_write_; // drmCommandWrite
using drmGetVersionFunc = drmVersionPtr (*)(int); // drmGetVersion
using drmFreeVersionFunc = void (*)(drmVersionPtr); // drmFreeVersion
drmGetVersionFunc drm_get_version_;
drmFreeVersionFunc drm_free_version_;
std::mutex drm_mutex_;
};
} // namespace smi
} // namespace amd
#endif // AMD_SMI_INCLUDE_IMPL_AMD_SMI_DRM_H_