diff options
Diffstat (limited to 'sys/procfs/pfsnode.h')
| -rw-r--r-- | sys/procfs/pfsnode.h | 217 |
1 files changed, 217 insertions, 0 deletions
diff --git a/sys/procfs/pfsnode.h b/sys/procfs/pfsnode.h new file mode 100644 index 000000000000..6979e493e8cc --- /dev/null +++ b/sys/procfs/pfsnode.h @@ -0,0 +1,217 @@ +/* + * 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 1.1 1993/12/12 12:26:39 davidg 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 vmspace *pfs_vs; +}; + +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)); +#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) |