summaryrefslogblamecommitdiffstats
path: root/include/uapi/linux/nsfs.h
blob: a0c8552b64ee04375cf9409b3a48f1b5230bc11e (plain) (tree)
1
2
3
4
5
6
7
8
9
                                                              







                                                                       
                                              
                                                                 
                                              

                                                                  


                                                                         

                           
/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */
#ifndef __LINUX_NSFS_H
#define __LINUX_NSFS_H

#include <linux/ioctl.h>

#define NSIO	0xb7

/* Returns a file descriptor that refers to an owning user namespace */
#define NS_GET_USERNS		_IO(NSIO, 0x1)
/* Returns a file descriptor that refers to a parent namespace */
#define NS_GET_PARENT		_IO(NSIO, 0x2)
/* Returns the type of namespace (CLONE_NEW* value) referred to by
   file descriptor */
#define NS_GET_NSTYPE		_IO(NSIO, 0x3)
/* Get owner UID (in the caller's user namespace) for a user namespace */
#define NS_GET_OWNER_UID	_IO(NSIO, 0x4)

#endif /* __LINUX_NSFS_H */