add character driver fops struct + implementation

1 files changed, 11 insertions, 0 deletions

diff --git a/1/fopdrv.h b/1/fopdrv.h
new file mode 100644
index 0000000..f2ca18c
--- /dev/null
+++ b/1/fopdrv.h
@@ -0,0 +1,11 @@
+#pragma once
+
+#include <linux/fs.h>
+#include <linux/types.h>
+
+// declarations copied from linux/fs.h
+ssize_t fop_read(struct file *, char __user *, size_t, loff_t *);
+ssize_t fop_write(struct file *, const char __user *, size_t, loff_t *);
+int fop_open(struct inode *, struct file *);
+int fop_release(struct inode *, struct file *);
+