1/* SPDX-License-Identifier: GPL-2.0 */
 2#ifndef __LIBPERF_INTERNAL_XYARRAY_H
 3#define __LIBPERF_INTERNAL_XYARRAY_H
 4
 5#include <linux/compiler.h>
 6#include <sys/types.h>
 7
 8struct xyarray {
 9	size_t row_size;
10	size_t entry_size;
11	size_t entries;
12	size_t max_x;
13	size_t max_y;
14	char contents[] __aligned(8);
15};
16
17struct xyarray *xyarray__new(int xlen, int ylen, size_t entry_size);
18void xyarray__delete(struct xyarray *xy);
19void xyarray__reset(struct xyarray *xy);
20
21static inline void *xyarray__entry(struct xyarray *xy, int x, int y)
22{
23	return &xy->contents[x * xy->row_size + y * xy->entry_size];
24}
25
26static inline int xyarray__max_y(struct xyarray *xy)
27{
28	return xy->max_y;
29}
30
31static inline int xyarray__max_x(struct xyarray *xy)
32{
33	return xy->max_x;
34}
35
36#endif /* __LIBPERF_INTERNAL_XYARRAY_H */