64 lines
1.3 KiB
C
64 lines
1.3 KiB
C
#include <linux/fs.h>
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#include <linux/init.h>
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#include <linux/module.h>
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#include <linux/proc_fs.h>
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#include <linux/uaccess.h>
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#define DEVICE_NAME "lkm"
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static int lkm_init(void);
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static void lkm_exit(void);
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int lkm_open(struct inode *, struct file *);
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int lkm_release(struct inode *, struct file *);
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long lkm_ioctl(struct file *, unsigned int, long unsigned int);
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static struct file_operations lkm_fops = {
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.owner = THIS_MODULE,
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.open = lkm_open,
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.release = lkm_release,
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.unlocked_ioctl = lkm_ioctl,
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};
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static int
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lkm_init(void)
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{
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int ret;
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printk(KERN_INFO "lkm: init: start");
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ret = register_chrdev(0, DEVICE_NAME, &lkm_fops);
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if (ret < 0) {
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printk(KERN_ERR "lkm: init: register chrdev failed");
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return ret;
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}
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return 0;
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}
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static void
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lkm_exit(void)
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{
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printk(KERN_INFO "lkm: exit: start");
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}
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int
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lkm_open(struct inode *inode, struct file *fp)
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{
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printk(KERN_INFO "lkm: open: start")
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}
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int
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lkm_release(struct inode *inode, struct file *fp)
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{
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printk(KERN_INFO "lkm: release: start")
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}
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long lkm_ioctl(struct file *fp, unsigned num,
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long unsigned int param) { printk(KERN_INFO "lkm: release: start") }
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MODULE_AUTHOR("Mira Chacku Purakal");
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MODULE_DESCRIPTION("Generic Module");
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MODULE_VERSION("0.1");
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MODULE_LICENSE("GPL");
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module_init(lkm_init);
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module_exit(lkm_exit);
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