162306a36Sopenharmony_ci/* SPDX-License-Identifier: GPL-2.0 */ 262306a36Sopenharmony_ci#ifndef __LIBPERF_INTERNAL_XYARRAY_H 362306a36Sopenharmony_ci#define __LIBPERF_INTERNAL_XYARRAY_H 462306a36Sopenharmony_ci 562306a36Sopenharmony_ci#include <linux/compiler.h> 662306a36Sopenharmony_ci#include <sys/types.h> 762306a36Sopenharmony_ci 862306a36Sopenharmony_cistruct xyarray { 962306a36Sopenharmony_ci size_t row_size; 1062306a36Sopenharmony_ci size_t entry_size; 1162306a36Sopenharmony_ci size_t entries; 1262306a36Sopenharmony_ci size_t max_x; 1362306a36Sopenharmony_ci size_t max_y; 1462306a36Sopenharmony_ci char contents[] __aligned(8); 1562306a36Sopenharmony_ci}; 1662306a36Sopenharmony_ci 1762306a36Sopenharmony_cistruct xyarray *xyarray__new(int xlen, int ylen, size_t entry_size); 1862306a36Sopenharmony_civoid xyarray__delete(struct xyarray *xy); 1962306a36Sopenharmony_civoid xyarray__reset(struct xyarray *xy); 2062306a36Sopenharmony_ci 2162306a36Sopenharmony_cistatic inline void *__xyarray__entry(struct xyarray *xy, int x, int y) 2262306a36Sopenharmony_ci{ 2362306a36Sopenharmony_ci return &xy->contents[x * xy->row_size + y * xy->entry_size]; 2462306a36Sopenharmony_ci} 2562306a36Sopenharmony_ci 2662306a36Sopenharmony_cistatic inline void *xyarray__entry(struct xyarray *xy, size_t x, size_t y) 2762306a36Sopenharmony_ci{ 2862306a36Sopenharmony_ci if (x >= xy->max_x || y >= xy->max_y) 2962306a36Sopenharmony_ci return NULL; 3062306a36Sopenharmony_ci return __xyarray__entry(xy, x, y); 3162306a36Sopenharmony_ci} 3262306a36Sopenharmony_ci 3362306a36Sopenharmony_cistatic inline int xyarray__max_y(struct xyarray *xy) 3462306a36Sopenharmony_ci{ 3562306a36Sopenharmony_ci return xy->max_y; 3662306a36Sopenharmony_ci} 3762306a36Sopenharmony_ci 3862306a36Sopenharmony_cistatic inline int xyarray__max_x(struct xyarray *xy) 3962306a36Sopenharmony_ci{ 4062306a36Sopenharmony_ci return xy->max_x; 4162306a36Sopenharmony_ci} 4262306a36Sopenharmony_ci 4362306a36Sopenharmony_ci#endif /* __LIBPERF_INTERNAL_XYARRAY_H */ 44