/* SPDX-License-Identifier: GPL-2.0 */#ifndef __LIBPERF_INTERNAL_XYARRAY_H#define __LIBPERF_INTERNAL_XYARRAY_H #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 void *xyarray__entry(struct xyarray *xy, size_t x, size_t y){	if (x >= xy->max_x || y >= xy->max_y)		return NULL;	return __xyarray__entry(xy, x, y);} 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 /* __LIBPERF_INTERNAL_XYARRAY_H */