Link: https://lore.kernel.org/r/20260217200002.683975158@linuxfoundation.org Tested-by: Florian Fainelli <florian.fainelli@broadcom.com> Tested-by: Takeshi Ogasawara <takeshi.ogasawara@futuring-girl.com> Tested-by: Peter Schneider <pschneider1968@googlemail.com> Tested-by: Jon Hunter <jonathanh@nvidia.com> Tested-by: Salvatore Bonaccorso <carnil@debian.org> Tested-by: Brett A C Sheffield <bacs@librecast.net> Tested-by: Mark Brown <broonie@kernel.org> Tested-by: Luna Jernberg <droidbittin@gmail.com> Tested-by: Ronald Warsow <rwarsow@gmx.de> Tested-by: Justin M. Forbes <jforbes@fedoraproject.org> Tested-by: Ron Economos <re@w6rz.net> Tested-by: Miguel Ojeda <ojeda@kernel.org> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
22 lines
667 B
C
22 lines
667 B
C
/* SPDX-License-Identifier: GPL-2.0-only */
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/* Copyright (c) 2024 Meta Platforms, Inc. and affiliates. */
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#ifndef _RANGE_TREE_H
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#define _RANGE_TREE_H 1
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struct range_tree {
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/* root of interval tree */
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struct rb_root_cached it_root;
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/* root of rbtree of interval sizes */
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struct rb_root_cached range_size_root;
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};
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void range_tree_init(struct range_tree *rt);
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void range_tree_destroy(struct range_tree *rt);
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int range_tree_clear(struct range_tree *rt, u32 start, u32 len);
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int range_tree_set(struct range_tree *rt, u32 start, u32 len);
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int is_range_tree_set(struct range_tree *rt, u32 start, u32 len);
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s64 range_tree_find(struct range_tree *rt, u32 len);
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#endif
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