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37 lines
775 B
37 lines
775 B
/* SPDX-License-Identifier: GPL-2.0 */ |
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#ifndef _LINUX_RANGE_H |
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#define _LINUX_RANGE_H |
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#include <linux/types.h> |
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struct range { |
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u64 start; |
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u64 end; |
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}; |
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static inline u64 range_len(const struct range *range) |
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{ |
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return range->end - range->start + 1; |
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} |
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int add_range(struct range *range, int az, int nr_range, |
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u64 start, u64 end); |
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int add_range_with_merge(struct range *range, int az, int nr_range, |
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u64 start, u64 end); |
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void subtract_range(struct range *range, int az, u64 start, u64 end); |
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int clean_sort_range(struct range *range, int az); |
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void sort_range(struct range *range, int nr_range); |
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#define MAX_RESOURCE ((resource_size_t)~0) |
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static inline resource_size_t cap_resource(u64 val) |
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{ |
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if (val > MAX_RESOURCE) |
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return MAX_RESOURCE; |
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return val; |
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} |
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#endif
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