// SPDX-License-Identifier: GPL-2.0 OR MIT/* * Copyright 2014-2022 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. */ #include <linux/sched.h>#include <linux/device.h>#include "kfd_priv.h"#include "amdgpu_amdkfd.h" static int kfd_init(void){	int err; 	/* Verify module parameters */	if ((sched_policy < KFD_SCHED_POLICY_HWS) ||		(sched_policy > KFD_SCHED_POLICY_NO_HWS)) {		pr_err("sched_policy has invalid value\n");		return -EINVAL;	} 	/* Verify module parameters */	if ((max_num_of_queues_per_device < 1) ||		(max_num_of_queues_per_device >			KFD_MAX_NUM_OF_QUEUES_PER_DEVICE)) {		pr_err("max_num_of_queues_per_device must be between 1 to KFD_MAX_NUM_OF_QUEUES_PER_DEVICE\n");		return -EINVAL;	} 	err = kfd_chardev_init();	if (err < 0)		goto err_ioctl; 	err = kfd_topology_init();	if (err < 0)		goto err_topology; 	err = kfd_process_create_wq();	if (err < 0)		goto err_create_wq; 	/* Ignore the return value, so that we can continue	 * to init the KFD, even if procfs isn't craated	 */	kfd_procfs_init(); 	kfd_debugfs_init(); 	return 0; err_create_wq:	kfd_topology_shutdown();err_topology:	kfd_chardev_exit();err_ioctl:	pr_err("KFD is disabled due to module initialization failure\n");	return err;} static void kfd_exit(void){	kfd_cleanup_processes();	kfd_process_destroy_wq();	kfd_debugfs_fini();	kfd_procfs_shutdown();	kfd_topology_shutdown();	kfd_chardev_exit();} int kgd2kfd_init(void){	return kfd_init();} void kgd2kfd_exit(void){	kfd_exit();}