File: ioctl32.h

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#ifndef IOCTL32_H
#define IOCTL32_H 1

struct file;

/* 
 * Register an 32bit ioctl translation handler for ioctl cmd.
 *
 * handler == NULL: use 64bit ioctl handler.
 * arguments to handler:  fd: file descriptor
 *                        cmd: ioctl command.
 *                        arg: ioctl argument
 *                        struct file *file: file descriptor pointer.
 */ 

extern int register_ioctl32_conversion(unsigned int cmd, int (*handler)(unsigned int, unsigned int, unsigned long, struct file *));

extern int unregister_ioctl32_conversion(unsigned int cmd);

typedef int (*ioctl_trans_handler_t)(unsigned int, unsigned int, unsigned long, struct file *);

struct ioctl_trans {
	unsigned long cmd;
	ioctl_trans_handler_t handler;
	struct ioctl_trans *next;
};

#endif