1 /*	$NetBSD: genfs.h,v 1.32 2014/02/27 16:51:38 hannken Exp $	*/
2 
3 #ifndef	_MISCFS_GENFS_GENFS_H_
4 #define	_MISCFS_GENFS_GENFS_H_
5 
6 #include <sys/vnode.h>
7 #include <sys/types.h>
8 
9 struct componentname;
10 struct mount;
11 
12 int	genfs_badop(void *);
13 int	genfs_nullop(void *);
14 int	genfs_enoioctl(void *);
15 int	genfs_enoextops(void *);
16 int	genfs_einval(void *);
17 int	genfs_eopnotsupp(void *);
18 int	genfs_ebadf(void *);
19 int	genfs_nolock(void *);
20 int	genfs_noislocked(void *);
21 int	genfs_nounlock(void *);
22 
23 int	genfs_deadlock(void *);
24 #define	genfs_deadislocked genfs_islocked
25 int	genfs_deadunlock(void *);
26 
27 int	genfs_poll(void *);
28 int	genfs_kqfilter(void *);
29 int	genfs_fcntl(void *);
30 int	genfs_seek(void *);
31 int	genfs_abortop(void *);
32 int	genfs_revoke(void *);
33 int	genfs_lock(void *);
34 int	genfs_islocked(void *);
35 int	genfs_unlock(void *);
36 int	genfs_mmap(void *);
37 int	genfs_getpages(void *);
38 int	genfs_putpages(void *);
39 int	genfs_null_putpages(void *);
40 int	genfs_compat_getpages(void *);
41 
42 int	genfs_do_putpages(struct vnode *, off_t, off_t, int, struct vm_page **);
43 
44 int	genfs_statvfs(struct mount *, struct statvfs *);
45 
46 int	genfs_renamelock_enter(struct mount *);
47 void	genfs_renamelock_exit(struct mount *);
48 
49 int	genfs_can_access(enum vtype, mode_t, uid_t, gid_t, mode_t,
50 	    kauth_cred_t);
51 int	genfs_can_chmod(enum vtype, kauth_cred_t, uid_t, gid_t, mode_t);
52 int	genfs_can_chown(kauth_cred_t, uid_t, gid_t, uid_t, gid_t);
53 int	genfs_can_chtimes(vnode_t *, u_int, uid_t, kauth_cred_t);
54 int	genfs_can_chflags(kauth_cred_t, enum vtype, uid_t, bool);
55 int	genfs_can_sticky(kauth_cred_t, uid_t, uid_t);
56 int	genfs_can_extattr(kauth_cred_t, int, vnode_t *, const char *);
57 
58 /*
59  * Rename is complicated.  Sorry.
60  */
61 
62 struct genfs_rename_ops;
63 
64 
65 int	genfs_insane_rename(void *,
66 	    int (*)(struct vnode *, struct componentname *,
67 		struct vnode *, struct componentname *,
68 		kauth_cred_t, bool));
69 int	genfs_sane_rename(const struct genfs_rename_ops *,
70 	    struct vnode *, struct componentname *, void *,
71 	    struct vnode *, struct componentname *, void *,
72 	    kauth_cred_t, bool);
73 
74 void	genfs_rename_knote(struct vnode *, struct vnode *, struct vnode *,
75 	    struct vnode *, bool);
76 void	genfs_rename_cache_purge(struct vnode *, struct vnode *, struct vnode *,
77 	    struct vnode *);
78 
79 int	genfs_ufslike_rename_check_possible(unsigned long, unsigned long,
80 	    unsigned long, unsigned long, bool,
81 	    unsigned long, unsigned long);
82 int	genfs_ufslike_rename_check_permitted(kauth_cred_t,
83 	    struct vnode *, mode_t, uid_t,
84 	    struct vnode *, uid_t,
85 	    struct vnode *, mode_t, uid_t,
86 	    struct vnode *, uid_t);
87 int	genfs_ufslike_remove_check_possible(unsigned long, unsigned long,
88 	    unsigned long, unsigned long);
89 int	genfs_ufslike_remove_check_permitted(kauth_cred_t,
90 	    struct vnode *, mode_t, uid_t,
91 	    struct vnode *, uid_t);
92 
93 struct genfs_rename_ops {
94 	bool (*gro_directory_empty_p)(struct mount *mp, kauth_cred_t cred,
95 	    struct vnode *vp, struct vnode *dvp);
96 	int (*gro_rename_check_possible)(struct mount *mp,
97 	    struct vnode *fdvp, struct vnode *fvp,
98 	    struct vnode *tdvp, struct vnode *tvp);
99 	int (*gro_rename_check_permitted)(struct mount *mp, kauth_cred_t cred,
100 	    struct vnode *fdvp, struct vnode *fvp,
101 	    struct vnode *tdvp, struct vnode *tvp);
102 	int (*gro_remove_check_possible)(struct mount *mp,
103 	    struct vnode *dvp, struct vnode *vp);
104 	int (*gro_remove_check_permitted)(struct mount *mp, kauth_cred_t cred,
105 	    struct vnode *dvp, struct vnode *vp);
106 	int (*gro_rename)(struct mount *mp, kauth_cred_t cred,
107 	    struct vnode *fdvp, struct componentname *fcnp,
108 	    void *fde, struct vnode *fvp,
109 	    struct vnode *tdvp, struct componentname *tcnp,
110 	    void *tde, struct vnode *tvp);
111 	int (*gro_remove)(struct mount *mp, kauth_cred_t cred,
112 	    struct vnode *dvp, struct componentname *cnp, void *de,
113 	    struct vnode *vp);
114 	int (*gro_lookup)(struct mount *mp, struct vnode *dvp,
115 	    struct componentname *cnp, void *de_ret, struct vnode **vp_ret);
116 	int (*gro_genealogy)(struct mount *mp, kauth_cred_t cred,
117 	    struct vnode *fdvp, struct vnode *tdvp,
118 	    struct vnode **intermediate_node_ret);
119 	int (*gro_lock_directory)(struct mount *mp, struct vnode *vp);
120 };
121 
122 #endif /* !_MISCFS_GENFS_GENFS_H_ */
123