| Greg Kroah-Hartman | 6f52b16 | 2017-11-01 15:08:43 +0100 | [diff] [blame] | 1 | /* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */ |
| Andrey Vagin | 6786741 | 2016-09-06 00:47:14 -0700 | [diff] [blame] | 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 */ |
| Michael Kerrisk (man-pages) | d95fa3c | 2017-01-25 14:04:15 +1300 | [diff] [blame] | 10 | #define NS_GET_USERNS _IO(NSIO, 0x1) |
| Andrey Vagin | a7306ed | 2016-09-06 00:47:15 -0700 | [diff] [blame] | 11 | /* Returns a file descriptor that refers to a parent namespace */ |
| Michael Kerrisk (man-pages) | d95fa3c | 2017-01-25 14:04:15 +1300 | [diff] [blame] | 12 | #define NS_GET_PARENT _IO(NSIO, 0x2) |
| Michael Kerrisk (man-pages) | e5ff5ce | 2017-01-25 14:03:36 +1300 | [diff] [blame] | 13 | /* Returns the type of namespace (CLONE_NEW* value) referred to by |
| 14 | file descriptor */ |
| Michael Kerrisk (man-pages) | d95fa3c | 2017-01-25 14:04:15 +1300 | [diff] [blame] | 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) |
| Andrey Vagin | 6786741 | 2016-09-06 00:47:14 -0700 | [diff] [blame] | 18 | |
| 19 | #endif /* __LINUX_NSFS_H */ |