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#ifndef IOCTL32_H
#define IOCTL32_H 1
struct file;
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;
};
/*
* 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.
*/
#ifdef CONFIG_COMPAT
extern int register_ioctl32_conversion(unsigned int cmd,
ioctl_trans_handler_t handler);
extern int unregister_ioctl32_conversion(unsigned int cmd);
#else
#define register_ioctl32_conversion(cmd, handler) ({ 0; })
#define unregister_ioctl32_conversion(cmd) ({ 0; })
#endif
#endif
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