1 | /* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */ |
2 | #ifndef __LINUX_NSFS_H |
3 | #define __LINUX_NSFS_H |
4 | |
5 | #include <linux/ioctl.h> |
6 | |
7 | #define NSIO 0xb7 |
8 | |
9 | /* Returns a file descriptor that refers to an owning user namespace */ |
10 | #define NS_GET_USERNS _IO(NSIO, 0x1) |
11 | /* Returns a file descriptor that refers to a parent namespace */ |
12 | #define NS_GET_PARENT _IO(NSIO, 0x2) |
13 | /* Returns the type of namespace (CLONE_NEW* value) referred to by |
14 | file descriptor */ |
15 | #define NS_GET_NSTYPE _IO(NSIO, 0x3) |
16 | /* Get owner UID (in the caller's user namespace) for a user namespace */ |
17 | #define NS_GET_OWNER_UID _IO(NSIO, 0x4) |
18 | |
19 | #endif /* __LINUX_NSFS_H */ |
20 | |