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- /* SPDX-License-Identifier: GPL-2.0 */
- #ifndef _PERF_XYARRAY_H_
- #define _PERF_XYARRAY_H_ 1
- #include <linux/compiler.h>
- #include <sys/types.h>
- struct xyarray {
- size_t row_size;
- size_t entry_size;
- size_t entries;
- size_t max_x;
- size_t max_y;
- char contents[] __aligned(8);
- };
- struct xyarray *xyarray__new(int xlen, int ylen, size_t entry_size);
- void xyarray__delete(struct xyarray *xy);
- void xyarray__reset(struct xyarray *xy);
- static inline void *xyarray__entry(struct xyarray *xy, int x, int y)
- {
- return &xy->contents[x * xy->row_size + y * xy->entry_size];
- }
- static inline int xyarray__max_y(struct xyarray *xy)
- {
- return xy->max_y;
- }
- static inline int xyarray__max_x(struct xyarray *xy)
- {
- return xy->max_x;
- }
- #endif /* _PERF_XYARRAY_H_ */
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