NetBSD/sys/miscfs/kernfs/kernfs.h

96 lines
3.4 KiB
C

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