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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
-