/* * Copyright (c) 1993 Paul Kranenburg * All rights reserved. * * 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 Paul Kranenburg. * 4. The name of the author may not be used to endorse or promote products * derived from this software withough specific prior written permission * * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``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 AUTHOR 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: pfsnode.h,v 1.6 1993/09/07 15:41:24 ws Exp $ */ /* * This structure defines the control data for the proc file system. */ struct pfsnode { struct pfsnode *pfs_next; /* next on list */ struct vnode *pfs_vnode; /* vnode associated with this pfsnode */ pid_t pfs_pid; /* associated process */ u_short pfs_mode; /* mode bits for stat() */ uid_t pfs_uid; /* process' owner */ gid_t pfs_gid; /* process' group */ u_long pfs_vflags; /* chflags() flags */ u_long pfs_flags; /* open flags */ }; struct pfsnode *pfshead; /* * Format of a directory entry in /proc */ struct pfsdent { unsigned long d_fileno; unsigned short d_reclen; unsigned short d_namlen; char d_nam[8]; }; #define PFSDENTSIZE (sizeof(struct direct) - MAXNAMELEN + 8) #ifndef DIRBLKSIZ #define DIRBLKSIZ DEV_BSIZE #endif #ifdef DEBUG int pfs_debug; #endif /* * Convert between pfsnode pointers and vnode pointers */ #define VTOPFS(vp) ((struct pfsnode *)(vp)->v_data) #define PFSTOV(pfsp) ((pfsp)->pfs_vnode) /* * Prototypes for PFS operations on vnodes. */ int pfs_badop(); int pfs_doio(); int pfs_lookup __P(( \ struct vnode *vp, \ struct nameidata *ndp, \ struct proc *p)); #define pfs_create ((int (*) __P(( \ struct nameidata *ndp, \ struct vattr *vap, \ struct proc *p))) pfs_badop) #define pfs_mknod ((int (*) __P(( \ struct nameidata *ndp, \ struct vattr *vap, \ struct ucred *cred, \ struct proc *p))) pfs_badop) int pfs_open __P(( struct vnode *vp, int mode, struct ucred *cred, struct proc *p)); int pfs_close __P(( struct vnode *vp, int fflag, struct ucred *cred, struct proc *p)); int pfs_access __P(( struct vnode *vp, int mode, struct ucred *cred, struct proc *p)); int pfs_getattr __P(( struct vnode *vp, struct vattr *vap, struct ucred *cred, struct proc *p)); int pfs_setattr __P(( struct vnode *vp, struct vattr *vap, struct ucred *cred, struct proc *p)); #define pfs_read ((int (*) __P(( \ struct vnode *vp, \ struct uio *uio, \ int ioflag, \ struct ucred *cred))) pfs_doio) #define pfs_write ((int (*) __P(( \ struct vnode *vp, \ struct uio *uio, \ int ioflag, \ struct ucred *cred))) pfs_doio) int pfs_ioctl __P(( struct vnode *vp, int command, caddr_t data, int fflag, struct ucred *cred, struct proc *p)); #define pfs_select ((int (*) __P(( \ struct vnode *vp, \ int which, \ int fflags, \ struct ucred *cred, \ struct proc *p))) pfs_badop) #define pfs_mmap ((int (*) __P(( \ struct vnode *vp, \ int fflags, \ struct ucred *cred, \ struct proc *p))) pfs_badop) #define pfs_fsync ((int (*) __P(( \ struct vnode *vp, \ int fflags, \ struct ucred *cred, \ int waitfor, \ struct proc *p))) pfs_badop) #define pfs_seek ((int (*) __P(( \ struct vnode *vp, \ off_t oldoff, \ off_t newoff, \ struct ucred *cred))) pfs_badop) #define pfs_remove ((int (*) __P(( \ struct nameidata *ndp, \ struct proc *p))) pfs_badop) #define pfs_link ((int (*) __P(( \ struct vnode *vp, \ struct nameidata *ndp, \ struct proc *p))) pfs_badop) #define pfs_rename ((int (*) __P(( \ struct nameidata *fndp, \ struct nameidata *tdnp, \ struct proc *p))) pfs_badop) #define pfs_mkdir ((int (*) __P(( \ struct nameidata *ndp, \ struct vattr *vap, \ struct proc *p))) pfs_badop) #define pfs_rmdir ((int (*) __P(( \ struct nameidata *ndp, \ struct proc *p))) pfs_badop) #define pfs_symlink ((int (*) __P(( \ struct nameidata *ndp, \ struct vattr *vap, \ char *target, \ struct proc *p))) pfs_badop) int pfs_readdir __P(( struct vnode *vp, struct uio *uio, struct ucred *cred, int *eofflagp, u_int *cookies, int ncookies)); #define pfs_readlink ((int (*) __P(( \ struct vnode *vp, \ struct uio *uio, \ struct ucred *cred))) pfs_badop) #define pfs_abortop ((int (*) __P(( \ struct nameidata *ndp))) pfs_badop) int pfs_inactive __P(( struct vnode *vp, struct proc *p)); int pfs_reclaim __P(( struct vnode *vp)); #define pfs_lock ((int (*) __P(( \ struct vnode *vp))) nullop) #define pfs_unlock ((int (*) __P(( \ struct vnode *vp))) nullop) int pfs_bmap __P(( struct vnode *vp, daddr_t bn, struct vnode **vpp, daddr_t *bnp)); int pfs_strategy __P(( struct buf *bp)); void pfs_print __P(( struct vnode *vp)); #define pfs_islocked ((int (*) __P(( \ struct vnode *vp))) nullop) #define pfs_advlock ((int (*) __P(( \ struct vnode *vp, \ caddr_t id, \ int op, \ struct flock *fl, \ int flags))) pfs_badop)