compute-runtime/level_zero/tools/source/sysman/linux/os_sysman_imp.cpp

/*
 * Copyright (C) 2019-2020 Intel Corporation
 *
 * SPDX-License-Identifier: MIT
 *
 */

#include "level_zero/tools/source/sysman/linux/os_sysman_imp.h"

#include "level_zero/tools/source/sysman/linux/sysfs_access.h"

namespace L0 {

ze_result_t LinuxSysmanImp::init() {
    Device *pDevice = Device::fromHandle(pParentSysmanImp->hCoreDevice);
    NEO::OSInterface &OsInterface = pDevice->getOsInterface();
    NEO::Drm *pDrm = OsInterface.get()->getDrm();
    int fd = pDrm->getFileDescriptor();

    pSysfsAccess = SysfsAccess::create(fd);
    UNRECOVERABLE_IF(nullptr == pSysfsAccess);
    return ZE_RESULT_SUCCESS;
}

SysfsAccess &LinuxSysmanImp::getSysfsAccess() {
    UNRECOVERABLE_IF(nullptr == pSysfsAccess);
    return *pSysfsAccess;
}

LinuxSysmanImp::~LinuxSysmanImp() {
    if (nullptr != pSysfsAccess) {
        delete pSysfsAccess;
    }
}

OsSysman *OsSysman::create(SysmanImp *pParentSysmanImp) {
    LinuxSysmanImp *pLinuxSysmanImp = new LinuxSysmanImp(pParentSysmanImp);
    return static_cast<OsSysman *>(pLinuxSysmanImp);
}

} // namespace L0