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nsfs: update tools header 

Ensure all the new uapi bits are visible for the selftests.

Link: https://patch.msgid.link/20251029-work-namespace-nstree-listns-v4-21-2e6f823ebdc0@kernel.org
Tested-by: syzbot@syzkaller.appspotmail.com
Reviewed-by: Jeff Layton <jlayton@kernel.org>
Signed-off-by: Christian Brauner <brauner@kernel.org>
This commit is contained in:
Christian Brauner 2025-10-29 13:20:34 +01:00
parent b36d4b6aa8
commit 6fc9baa49d
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GPG Key ID: 91C61BC06578DCA2
1 changed files with 70 additions and 0 deletions
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70
tools/include/uapi/linux/nsfs.h
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@ -53,6 +53,76 @@ enum init_ns_ino {
TIME_NS_INIT_INO = 0xEFFFFFFAU,
NET_NS_INIT_INO = 0xEFFFFFF9U,
MNT_NS_INIT_INO = 0xEFFFFFF8U,
#ifdef __KERNEL__
MNT_NS_ANON_INO = 0xEFFFFFF7U,
#endif
};
struct nsfs_file_handle {
__u64 ns_id;
__u32 ns_type;
__u32 ns_inum;
};
#define NSFS_FILE_HANDLE_SIZE_VER0 16 /* sizeof first published struct */
#define NSFS_FILE_HANDLE_SIZE_LATEST sizeof(struct nsfs_file_handle) /* sizeof latest published struct */
enum init_ns_id {
IPC_NS_INIT_ID = 1ULL,
UTS_NS_INIT_ID = 2ULL,
USER_NS_INIT_ID = 3ULL,
PID_NS_INIT_ID = 4ULL,
CGROUP_NS_INIT_ID = 5ULL,
TIME_NS_INIT_ID = 6ULL,
NET_NS_INIT_ID = 7ULL,
MNT_NS_INIT_ID = 8ULL,
#ifdef __KERNEL__
NS_LAST_INIT_ID = MNT_NS_INIT_ID,
#endif
};
enum ns_type {
TIME_NS = (1ULL << 7), /* CLONE_NEWTIME */
MNT_NS = (1ULL << 17), /* CLONE_NEWNS */
CGROUP_NS = (1ULL << 25), /* CLONE_NEWCGROUP */
UTS_NS = (1ULL << 26), /* CLONE_NEWUTS */
IPC_NS = (1ULL << 27), /* CLONE_NEWIPC */
USER_NS = (1ULL << 28), /* CLONE_NEWUSER */
PID_NS = (1ULL << 29), /* CLONE_NEWPID */
NET_NS = (1ULL << 30), /* CLONE_NEWNET */
};
/**
* struct ns_id_req - namespace ID request structure
* @size: size of this structure
* @spare: reserved for future use
* @filter: filter mask
* @ns_id: last namespace id
* @user_ns_id: owning user namespace ID
*
* Structure for passing namespace ID and miscellaneous parameters to
* statns(2) and listns(2).
*
* For statns(2) @param represents the request mask.
* For listns(2) @param represents the last listed mount id (or zero).
*/
struct ns_id_req {
__u32 size;
__u32 spare;
__u64 ns_id;
struct /* listns */ {
__u32 ns_type;
__u32 spare2;
__u64 user_ns_id;
};
};
/*
* Special @user_ns_id value that can be passed to listns()
*/
#define LISTNS_CURRENT_USER 0xffffffffffffffff /* Caller's userns */
/* List of all ns_id_req versions. */
#define NS_ID_REQ_SIZE_VER0 32 /* sizeof first published struct */
#endif /* __LINUX_NSFS_H */