linux/drivers/char/xillybus/xillybus_class.c

// SPDX-License-Identifier: GPL-2.0-only
/*
 * Copyright 2021 Xillybus Ltd, http://xillybus.com
 *
 * Driver for the Xillybus class
 */

#include <linux/types.h>
#include <linux/module.h>
#include <linux/device.h>
#include <linux/fs.h>
#include <linux/cdev.h>
#include <linux/slab.h>
#include <linux/list.h>
#include <linux/mutex.h>

#include "xillybus_class.h"

MODULE_DESCRIPTION(…) …;
MODULE_AUTHOR(…) …;
MODULE_ALIAS(…) …;
MODULE_LICENSE(…) …;

static DEFINE_MUTEX(unit_mutex);
static LIST_HEAD(unit_list);
static const struct class xillybus_class = …;

#define UNITNAMELEN …

struct xilly_unit { … };

int xillybus_init_chrdev(struct device *dev,
			 const struct file_operations *fops,
			 struct module *owner,
			 void *private_data,
			 unsigned char *idt, unsigned int len,
			 int num_nodes,
			 const char *prefix, bool enumerate)
{ … }
EXPORT_SYMBOL(…);

void xillybus_cleanup_chrdev(void *private_data,
			     struct device *dev)
{ … }
EXPORT_SYMBOL(…);

int xillybus_find_inode(struct inode *inode,
			void **private_data, int *index)
{ … }
EXPORT_SYMBOL(…);

static int __init xillybus_class_init(void)
{ … }

static void __exit xillybus_class_exit(void)
{ … }

module_init(…) …;
module_exit(xillybus_class_exit);