// 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.
*/
/* 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;
}
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