tjh.dev
Linux kernel mirror (for testing)
git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
kernel
os
linux
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>
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tools/include/uapi/linux/nsfs.h
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tools/include/uapi/linux/nsfs.h
···
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TIME_NS_INIT_INO = 0xEFFFFFFAU,
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NET_NS_INIT_INO = 0xEFFFFFF9U,
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MNT_NS_INIT_INO = 0xEFFFFFF8U,
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#ifdef __KERNEL__
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MNT_NS_ANON_INO = 0xEFFFFFF7U,
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#endif
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};
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+
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struct nsfs_file_handle {
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__u64 ns_id;
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__u32 ns_type;
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__u32 ns_inum;
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};
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#define NSFS_FILE_HANDLE_SIZE_VER0 16 /* sizeof first published struct */
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#define NSFS_FILE_HANDLE_SIZE_LATEST sizeof(struct nsfs_file_handle) /* sizeof latest published struct */
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enum init_ns_id {
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IPC_NS_INIT_ID = 1ULL,
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UTS_NS_INIT_ID = 2ULL,
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USER_NS_INIT_ID = 3ULL,
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PID_NS_INIT_ID = 4ULL,
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CGROUP_NS_INIT_ID = 5ULL,
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TIME_NS_INIT_ID = 6ULL,
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NET_NS_INIT_ID = 7ULL,
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MNT_NS_INIT_ID = 8ULL,
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#ifdef __KERNEL__
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NS_LAST_INIT_ID = MNT_NS_INIT_ID,
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#endif
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};
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enum ns_type {
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TIME_NS = (1ULL << 7), /* CLONE_NEWTIME */
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MNT_NS = (1ULL << 17), /* CLONE_NEWNS */
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CGROUP_NS = (1ULL << 25), /* CLONE_NEWCGROUP */
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UTS_NS = (1ULL << 26), /* CLONE_NEWUTS */
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IPC_NS = (1ULL << 27), /* CLONE_NEWIPC */
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USER_NS = (1ULL << 28), /* CLONE_NEWUSER */
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PID_NS = (1ULL << 29), /* CLONE_NEWPID */
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NET_NS = (1ULL << 30), /* CLONE_NEWNET */
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};
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/**
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* struct ns_id_req - namespace ID request structure
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* @size: size of this structure
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* @spare: reserved for future use
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* @filter: filter mask
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* @ns_id: last namespace id
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* @user_ns_id: owning user namespace ID
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*
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* Structure for passing namespace ID and miscellaneous parameters to
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* statns(2) and listns(2).
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*
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* For statns(2) @param represents the request mask.
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* For listns(2) @param represents the last listed mount id (or zero).
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*/
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struct ns_id_req {
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__u32 size;
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__u32 spare;
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__u64 ns_id;
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struct /* listns */ {
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__u32 ns_type;
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__u32 spare2;
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__u64 user_ns_id;
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};
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};
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/*
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* Special @user_ns_id value that can be passed to listns()
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*/
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#define LISTNS_CURRENT_USER 0xffffffffffffffff /* Caller's userns */
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/* List of all ns_id_req versions. */
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#define NS_ID_REQ_SIZE_VER0 32 /* sizeof first published struct */
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#endif /* __LINUX_NSFS_H */