97 lines
2.5 KiB
C
97 lines
2.5 KiB
C
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// SPDX-License-Identifier: GPL-2.0 OR MIT
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/*
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* Copyright 2014-2022 Advanced Micro Devices, Inc.
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*
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* Permission is hereby granted, free of charge, to any person obtaining a
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* copy of this software and associated documentation files (the "Software"),
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* to deal in 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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* The above copyright notice and this permission notice shall be included in
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* all copies or substantial portions of the Software.
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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 COPYRIGHT HOLDER(S) OR AUTHOR(S) 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
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* OTHER DEALINGS IN THE SOFTWARE.
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*/
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#include <linux/sched.h>
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#include <linux/device.h>
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#include "kfd_priv.h"
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#include "amdgpu_amdkfd.h"
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static int kfd_init(void)
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{
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int err;
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/* Verify module parameters */
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if ((sched_policy < KFD_SCHED_POLICY_HWS) ||
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(sched_policy > KFD_SCHED_POLICY_NO_HWS)) {
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pr_err("sched_policy has invalid value\n");
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return -EINVAL;
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}
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/* Verify module parameters */
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if ((max_num_of_queues_per_device < 1) ||
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(max_num_of_queues_per_device >
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KFD_MAX_NUM_OF_QUEUES_PER_DEVICE)) {
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pr_err("max_num_of_queues_per_device must be between 1 to KFD_MAX_NUM_OF_QUEUES_PER_DEVICE\n");
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return -EINVAL;
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}
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err = kfd_chardev_init();
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if (err < 0)
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goto err_ioctl;
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err = kfd_topology_init();
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if (err < 0)
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goto err_topology;
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err = kfd_process_create_wq();
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if (err < 0)
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goto err_create_wq;
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/* Ignore the return value, so that we can continue
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* to init the KFD, even if procfs isn't craated
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*/
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kfd_procfs_init();
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kfd_debugfs_init();
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return 0;
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err_create_wq:
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kfd_topology_shutdown();
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err_topology:
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kfd_chardev_exit();
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err_ioctl:
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pr_err("KFD is disabled due to module initialization failure\n");
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return err;
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}
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static void kfd_exit(void)
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{
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kfd_cleanup_processes();
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kfd_debugfs_fini();
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kfd_process_destroy_wq();
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kfd_procfs_shutdown();
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kfd_topology_shutdown();
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kfd_chardev_exit();
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}
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int kgd2kfd_init(void)
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{
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return kfd_init();
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}
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void kgd2kfd_exit(void)
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{
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kfd_exit();
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}
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