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genfs.h revision 1.32 
      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