217 lines
6.0 KiB
C
217 lines
6.0 KiB
C
/*
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* Copyright (c) 1993 Paul Kranenburg
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* All rights reserved.
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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 Paul Kranenburg.
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* 4. The name of the author may not be used to endorse or promote products
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* derived from this software withough specific prior written permission
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
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* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
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* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
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* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
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* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
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* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
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* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*
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* $Id: pfsnode.h,v 1.5 1993/08/26 19:01:00 pk Exp $
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*/
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/*
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* This structure defines the control data for the proc file system.
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*/
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struct pfsnode {
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struct pfsnode *pfs_next; /* next on list */
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struct vnode *pfs_vnode; /* vnode associated with this pfsnode */
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pid_t pfs_pid; /* associated process */
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u_short pfs_mode; /* mode bits for stat() */
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uid_t pfs_uid; /* process' owner */
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gid_t pfs_gid; /* process' group */
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u_long pfs_vflags; /* chflags() flags */
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u_long pfs_flags; /* open flags */
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};
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struct pfsnode *pfshead;
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/*
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* Format of a directory entry in /proc
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*/
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struct pfsdent {
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unsigned long d_fileno;
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unsigned short d_reclen;
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unsigned short d_namlen;
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char d_nam[8];
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};
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#define PFSDENTSIZE (sizeof(struct direct) - MAXNAMELEN + 8)
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#ifndef DIRBLKSIZ
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#define DIRBLKSIZ DEV_BSIZE
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#endif
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#ifdef DEBUG
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int pfs_debug;
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#endif
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/*
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* Convert between pfsnode pointers and vnode pointers
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*/
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#define VTOPFS(vp) ((struct pfsnode *)(vp)->v_data)
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#define PFSTOV(pfsp) ((pfsp)->pfs_vnode)
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/*
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* Prototypes for PFS operations on vnodes.
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*/
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int pfs_badop();
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int pfs_doio();
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int pfs_lookup __P(( \
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struct vnode *vp, \
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struct nameidata *ndp, \
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struct proc *p));
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#define pfs_create ((int (*) __P(( \
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struct nameidata *ndp, \
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struct vattr *vap, \
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struct proc *p))) pfs_badop)
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#define pfs_mknod ((int (*) __P(( \
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struct nameidata *ndp, \
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struct vattr *vap, \
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struct ucred *cred, \
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struct proc *p))) pfs_badop)
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int pfs_open __P((
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struct vnode *vp,
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int mode,
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struct ucred *cred,
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struct proc *p));
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int pfs_close __P((
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struct vnode *vp,
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int fflag,
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struct ucred *cred,
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struct proc *p));
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int pfs_access __P((
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struct vnode *vp,
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int mode,
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struct ucred *cred,
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struct proc *p));
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int pfs_getattr __P((
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struct vnode *vp,
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struct vattr *vap,
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struct ucred *cred,
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struct proc *p));
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int pfs_setattr __P((
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struct vnode *vp,
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struct vattr *vap,
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struct ucred *cred,
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struct proc *p));
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#define pfs_read ((int (*) __P(( \
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struct vnode *vp, \
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struct uio *uio, \
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int ioflag, \
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struct ucred *cred))) pfs_doio)
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#define pfs_write ((int (*) __P(( \
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struct vnode *vp, \
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struct uio *uio, \
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int ioflag, \
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struct ucred *cred))) pfs_doio)
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int pfs_ioctl __P((
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struct vnode *vp,
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int command,
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caddr_t data,
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int fflag,
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struct ucred *cred,
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struct proc *p));
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#define pfs_select ((int (*) __P(( \
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struct vnode *vp, \
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int which, \
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int fflags, \
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struct ucred *cred, \
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struct proc *p))) pfs_badop)
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#define pfs_mmap ((int (*) __P(( \
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struct vnode *vp, \
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int fflags, \
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struct ucred *cred, \
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struct proc *p))) pfs_badop)
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#define pfs_fsync ((int (*) __P(( \
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struct vnode *vp, \
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int fflags, \
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struct ucred *cred, \
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int waitfor, \
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struct proc *p))) pfs_badop)
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#define pfs_seek ((int (*) __P(( \
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struct vnode *vp, \
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off_t oldoff, \
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off_t newoff, \
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struct ucred *cred))) pfs_badop)
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#define pfs_remove ((int (*) __P(( \
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struct nameidata *ndp, \
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struct proc *p))) pfs_badop)
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#define pfs_link ((int (*) __P(( \
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struct vnode *vp, \
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struct nameidata *ndp, \
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struct proc *p))) pfs_badop)
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#define pfs_rename ((int (*) __P(( \
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struct nameidata *fndp, \
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struct nameidata *tdnp, \
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struct proc *p))) pfs_badop)
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#define pfs_mkdir ((int (*) __P(( \
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struct nameidata *ndp, \
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struct vattr *vap, \
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struct proc *p))) pfs_badop)
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#define pfs_rmdir ((int (*) __P(( \
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struct nameidata *ndp, \
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struct proc *p))) pfs_badop)
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#define pfs_symlink ((int (*) __P(( \
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struct nameidata *ndp, \
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struct vattr *vap, \
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char *target, \
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struct proc *p))) pfs_badop)
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int pfs_readdir __P((
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struct vnode *vp,
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struct uio *uio,
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struct ucred *cred,
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int *eofflagp));
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#define pfs_readlink ((int (*) __P(( \
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struct vnode *vp, \
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struct uio *uio, \
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struct ucred *cred))) pfs_badop)
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#define pfs_abortop ((int (*) __P(( \
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struct nameidata *ndp))) pfs_badop)
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int pfs_inactive __P((
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struct vnode *vp,
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struct proc *p));
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int pfs_reclaim __P((
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struct vnode *vp));
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#define pfs_lock ((int (*) __P(( \
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struct vnode *vp))) nullop)
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#define pfs_unlock ((int (*) __P(( \
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struct vnode *vp))) nullop)
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int pfs_bmap __P((
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struct vnode *vp,
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daddr_t bn,
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struct vnode **vpp,
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daddr_t *bnp));
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int pfs_strategy __P((
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struct buf *bp));
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void pfs_print __P((
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struct vnode *vp));
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#define pfs_islocked ((int (*) __P(( \
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struct vnode *vp))) nullop)
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#define pfs_advlock ((int (*) __P(( \
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struct vnode *vp, \
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caddr_t id, \
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int op, \
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struct flock *fl, \
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int flags))) pfs_badop)
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