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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-11 08:27:49 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-11 08:27:49 +0000 |
commit | ace9429bb58fd418f0c81d4c2835699bddf6bde6 (patch) | |
tree | b2d64bc10158fdd5497876388cd68142ca374ed3 /drivers/gpu/drm/amd/amdkfd/kfd_module.c | |
parent | Initial commit. (diff) | |
download | linux-ace9429bb58fd418f0c81d4c2835699bddf6bde6.tar.xz linux-ace9429bb58fd418f0c81d4c2835699bddf6bde6.zip |
Adding upstream version 6.6.15.upstream/6.6.15
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'drivers/gpu/drm/amd/amdkfd/kfd_module.c')
-rw-r--r-- | drivers/gpu/drm/amd/amdkfd/kfd_module.c | 96 |
1 files changed, 96 insertions, 0 deletions
diff --git a/drivers/gpu/drm/amd/amdkfd/kfd_module.c b/drivers/gpu/drm/amd/amdkfd/kfd_module.c new file mode 100644 index 0000000000..aee2212e52 --- /dev/null +++ b/drivers/gpu/drm/amd/amdkfd/kfd_module.c @@ -0,0 +1,96 @@ +// 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_debugfs_fini(); + kfd_process_destroy_wq(); + kfd_procfs_shutdown(); + kfd_topology_shutdown(); + kfd_chardev_exit(); +} + +int kgd2kfd_init(void) +{ + return kfd_init(); +} + +void kgd2kfd_exit(void) +{ + kfd_exit(); +} |