38 lines
897 B
C
38 lines
897 B
C
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#ifndef IOCTL32_H
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#define IOCTL32_H 1
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struct file;
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typedef int (*ioctl_trans_handler_t)(unsigned int, unsigned int,
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unsigned long, struct file *);
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struct ioctl_trans {
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unsigned long cmd;
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ioctl_trans_handler_t handler;
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struct ioctl_trans *next;
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};
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/*
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* Register an 32bit ioctl translation handler for ioctl cmd.
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*
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* handler == NULL: use 64bit ioctl handler.
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* arguments to handler: fd: file descriptor
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* cmd: ioctl command.
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* arg: ioctl argument
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* struct file *file: file descriptor pointer.
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*/
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#ifdef CONFIG_COMPAT
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extern int register_ioctl32_conversion(unsigned int cmd,
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ioctl_trans_handler_t handler);
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extern int unregister_ioctl32_conversion(unsigned int cmd);
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#else
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#define register_ioctl32_conversion(cmd, handler) ({ 0; })
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#define unregister_ioctl32_conversion(cmd) ({ 0; })
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#endif
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#endif
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