96 lines
3.4 KiB
C
96 lines
3.4 KiB
C
/*
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* Copyright (c) 1990, 1992 Jan-Simon Pendry
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* All rights reserved.
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*
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* This code is derived from software contributed to Berkeley by
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* Jan-Simon Pendry.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. All advertising materials mentioning features or use of this software
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* must display the following acknowledgement:
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* This product includes software developed by the University of
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* California, Berkeley and its contributors.
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* 4. Neither the name of the University nor the names of its contributors
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* may be used to endorse or promote products derived from this software
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* without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*
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* $Id: kernfs.h,v 1.4 1993/05/28 16:47:02 cgd Exp $
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*/
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#ifdef KERNEL
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struct kernfs_mount {
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struct vnode *kf_root; /* Root node */
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};
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struct kernfs_node {
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struct kernfs_target *kf_kt;
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};
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#define KSTRING 256 /* Largest I/O available via this filesystem */
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#define UIO_MX 32
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struct kernfs_target {
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char *kt_name;
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void *kt_data;
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#define KTT_NULL 1
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#define KTT_TIME 5
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#define KTT_INT 17
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#define KTT_STRING 31
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#define KTT_HOSTNAME 47
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#define KTT_AVENRUN 53
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int kt_tag;
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#define KTM_RO_PERMS (S_IRUSR|S_IRGRP|S_IROTH)
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#define KTM_RW_PERMS (S_IWUSR|S_IRUSR|S_IRGRP|S_IWGRP| \
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S_IROTH|S_IWOTH)
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#define KTM_DIR_PERMS (S_IRUSR|S_IXUSR|S_IRGRP|S_IXGRP| \
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S_IROTH|S_IXOTH)
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#define KTM_MASK_PERMS (~(S_IWGRP|S_IWOTH))
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u_short kt_maxperms;
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int kt_vtype;
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u_short kt_perms;
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uid_t kt_uid;
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gid_t kt_gid;
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};
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#define DIR_TARGET(name, data, tag, perms) \
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{ name, data, tag, /*max*/perms, VDIR, perms & KTM_MASK_PERMS, 0, 0 },
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#define REG_TARGET(name, data, tag, perms) \
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{ name, data, tag, /*max*/perms, VREG, perms & KTM_MASK_PERMS, 0, 0 },
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#define BLK_TARGET(name, data, tag, perms) \
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{ name, data, tag, /*max*/perms, VBLK, perms & KTM_MASK_PERMS, 0, 0 },
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#define CHR_TARGET(name, data, tag, perms) \
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{ name, data, tag, /*max*/perms, VCHR, perms & KTM_MASK_PERMS, 0, 0 },
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#define VFSTOKERNFS(mp) ((struct kernfs_mount *)((mp)->mnt_data))
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#define VTOKERN(vp) ((struct kernfs_node *)(vp)->v_data)
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extern struct vnodeops kernfs_vnodeops;
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extern struct vfsops kernfs_vfsops;
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extern struct vnode *rrootdevvp;
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struct kernfs_target kernfs_targets[];
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#define KERNFS_TARGET_ROOT 0
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#endif /* KERNEL */
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