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Now that the driver core can properly handle constant struct bus_type, move the mdev_bus_type variable to be a constant structure as well, placing it into read-only memory which can not be modified at runtime. Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org> Suggested-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org> Signed-off-by: Ricardo B. Marliere <ricardo@marliere.net> Reviewed-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org> Reviewed-by: Jason Gunthorpe <jgg@nvidia.com> Reviewed-by: Kirti Wankhede <kwankhede@nvidia.com> Link: https://lore.kernel.org/r/20240208-bus_cleanup-vfio-v1-1-ed5da3019949@marliere.net Signed-off-by: Alex Williamson <alex.williamson@redhat.com>
34 lines
1015 B
C
34 lines
1015 B
C
/* SPDX-License-Identifier: GPL-2.0-only */
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/*
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* Mediated device internal definitions
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*
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* Copyright (c) 2016, NVIDIA CORPORATION. All rights reserved.
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* Author: Neo Jia <cjia@nvidia.com>
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* Kirti Wankhede <kwankhede@nvidia.com>
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*/
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#ifndef MDEV_PRIVATE_H
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#define MDEV_PRIVATE_H
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int mdev_bus_register(void);
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void mdev_bus_unregister(void);
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extern const struct bus_type mdev_bus_type;
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extern const struct attribute_group *mdev_device_groups[];
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#define to_mdev_type_attr(_attr) \
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container_of(_attr, struct mdev_type_attribute, attr)
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#define to_mdev_type(_kobj) \
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container_of(_kobj, struct mdev_type, kobj)
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int parent_create_sysfs_files(struct mdev_parent *parent);
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void parent_remove_sysfs_files(struct mdev_parent *parent);
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int mdev_create_sysfs_files(struct mdev_device *mdev);
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void mdev_remove_sysfs_files(struct mdev_device *mdev);
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int mdev_device_create(struct mdev_type *kobj, const guid_t *uuid);
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int mdev_device_remove(struct mdev_device *dev);
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#endif /* MDEV_PRIVATE_H */
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