57 lines
1.8 KiB
C
57 lines
1.8 KiB
C
/**
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* KSudoku subsystem for Linux kernel to solve sudoku with different
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* algorithms.
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* Copyright (C) 2020 Sameer Rahmani <lxsameer@gnu.org>
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* as published by the Free Software Foundation; either version 2
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* of the License, or (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
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*/
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#ifndef _KSUDOKU_H_
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#define _KSUDOKU_H_
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#include <linux/init.h>
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#include <linux/module.h>
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#include <linux/sysfs.h>
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#include <asm/atomic.h>
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#include <linux/slab.h>
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#define KSUDOKU_READY 0
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#define KSUDOKU_BUSY 1
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struct ksudoku {
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struct kobject kobj;
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const struct attribute_group *attr_group;
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char *matrix;
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int matrix_array[9][9];
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atomic_t status;
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};
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#define to_ksudoku(obj) container_of(obj, struct ksudoku, kobj)
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struct ksudoku_attribute {
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struct attribute attr;
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ssize_t (*show)(struct ksudoku *s, struct ksudoku_attribute *attr,
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char *buf);
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ssize_t (*store)(struct ksudoku *s, struct ksudoku_attribute *attr,
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const char *buf, size_t count);
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};
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#define to_ksudoku_attr(_attr) container_of(_attr, struct ksudoku_attribute, attr)
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extern struct ksudoku *ksudoku_create_sudoku(const char *name);
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extern void ksudoku_destroy_ksudoku(struct ksudoku *sudoku);
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extern bool ksudoku_is_valid_cell(struct ksudoku *sudoku, int v, int row, int col);
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#endif
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