| /* 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_ */ |