55 lines
1.6 KiB
C
55 lines
1.6 KiB
C
#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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struct ksudoku;
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#define to_ksudoku(obj) container_of(obj, struct ksudoku, kobj)
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#define to_ksudoku_attr(_attr) container_of(_attr, struct kobj_attribute, attr)
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struct sudoku_attribute {
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struct attribute attr;
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ssize_t (*show)(struct kobject *kobj, struct attribute *attr,
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char *buf);
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ssize_t (*store)(struct kobject *kobj, struct kobj_attribute *attr,
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const char *buf, size_t count);
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bool value;
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};
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/*
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* The type of sudoku, "struct sudoku" is embedded in. A class
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* or bus can only contain one sudoku type.
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* This identifies the sudoku type and carries type-specific
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* information, equivalent to the kobj_type of a kobject.
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* Since we have only one type it always will be the same button
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* we're designing a subsystem so we have to make sysfs happy.
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* If "name" is specified, the uevent will contain it in
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* the DEVTYPE variable.
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*/
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/* struct sudoku_type { */
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/* const char *name; */
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/* const struct attribute_group **groups; */
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/* int (*uevent)(struct sudoku *s, struct kobj_uevent_env *env); */
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/* void (*release)(struct kobject *kobj); */
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/* const struct sysfs_ops *sysfs_ops; */
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/* }; */
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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[81];
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atomic_t status;
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} ;
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#define SUDOKU_ATTR_RO(_name) \
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struct kobj_attribute sudoku_##_name = __ATTR_RO(_name)
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#define SUDOKU_ATTR_WO(_name) \
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struct kobj_attribute sudoku_##_name = __ATTR_WO(_name)
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#endif
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