182 lines
7.6 KiB
C
182 lines
7.6 KiB
C
/* $NetBSD: procfs.h,v 1.12 1994/10/29 07:58:53 cgd Exp $ */
|
|
|
|
/*
|
|
* Copyright (c) 1993 Jan-Simon Pendry
|
|
* Copyright (c) 1993
|
|
* The Regents of the University of California. 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.
|
|
*
|
|
* @(#)procfs.h 8.7 (Berkeley) 6/15/94
|
|
*/
|
|
|
|
/*
|
|
* The different types of node in a procfs filesystem
|
|
*/
|
|
typedef enum {
|
|
Proot, /* the filesystem root */
|
|
Pcurproc, /* symbolic link for curproc */
|
|
Pproc, /* a process-specific sub-directory */
|
|
Pfile, /* the executable file */
|
|
Pmem, /* the process's memory image */
|
|
Pregs, /* the process's register set */
|
|
Pfpregs, /* the process's FP register set */
|
|
Pctl, /* process control */
|
|
Pstatus, /* process status */
|
|
Pnote, /* process notifier */
|
|
Pnotepg /* process group notifier */
|
|
} pfstype;
|
|
|
|
/*
|
|
* 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 */
|
|
pfstype pfs_type; /* type of procfs node */
|
|
pid_t pfs_pid; /* associated process */
|
|
u_short pfs_mode; /* mode bits for stat() */
|
|
u_long pfs_flags; /* open flags */
|
|
u_long pfs_fileno; /* unique file id */
|
|
};
|
|
|
|
#define PROCFS_NOTELEN 64 /* max length of a note (/proc/$pid/note) */
|
|
#define PROCFS_CTLLEN 8 /* max length of a ctl msg (/proc/$pid/ctl */
|
|
|
|
/*
|
|
* Kernel stuff follows
|
|
*/
|
|
#ifdef KERNEL
|
|
#define CNEQ(cnp, s, len) \
|
|
((cnp)->cn_namelen == (len) && \
|
|
(bcmp((s), (cnp)->cn_nameptr, (len)) == 0))
|
|
|
|
/*
|
|
* Format of a directory entry in /proc, ...
|
|
* This must map onto struct dirent (see <dirent.h>)
|
|
*/
|
|
#define PROCFS_NAMELEN 8
|
|
struct pfsdent {
|
|
u_int32_t d_fileno;
|
|
u_int16_t d_reclen;
|
|
u_int8_t d_type;
|
|
u_int8_t d_namlen;
|
|
char d_name[PROCFS_NAMELEN];
|
|
};
|
|
#define UIO_MX sizeof(struct pfsdent)
|
|
#define PROCFS_FILENO(pid, type) \
|
|
(((type) < Pproc) ? \
|
|
((type) + 2) : \
|
|
((((pid)+1) << 4) + ((int) (type))))
|
|
|
|
/*
|
|
* Convert between pfsnode vnode
|
|
*/
|
|
#define VTOPFS(vp) ((struct pfsnode *)(vp)->v_data)
|
|
#define PFSTOV(pfs) ((pfs)->pfs_vnode)
|
|
|
|
typedef struct vfs_namemap vfs_namemap_t;
|
|
struct vfs_namemap {
|
|
const char *nm_name;
|
|
int nm_val;
|
|
};
|
|
|
|
int vfs_getuserstr __P((struct uio *, char *, int *));
|
|
vfs_namemap_t *vfs_findname __P((vfs_namemap_t *, char *, int));
|
|
|
|
#define PFIND(pid) ((pid) ? pfind(pid) : &proc0)
|
|
int procfs_freevp __P((struct vnode *));
|
|
int procfs_allocvp __P((struct mount *, struct vnode **, long, pfstype));
|
|
struct vnode *procfs_findtextvp __P((struct proc *));
|
|
int procfs_donote __P((struct proc *, struct proc *, struct pfsnode *pfsp, struct uio *uio));
|
|
int procfs_doregs __P((struct proc *, struct proc *, struct pfsnode *pfsp, struct uio *uio));
|
|
int procfs_dofpregs __P((struct proc *, struct proc *, struct pfsnode *pfsp, struct uio *uio));
|
|
int procfs_domem __P((struct proc *, struct proc *, struct pfsnode *pfsp, struct uio *uio));
|
|
int procfs_doctl __P((struct proc *, struct proc *, struct pfsnode *pfsp, struct uio *uio));
|
|
int procfs_dostatus __P((struct proc *, struct proc *, struct pfsnode *pfsp, struct uio *uio));
|
|
|
|
/* functions to check whether or not files should be displayed */
|
|
int procfs_validfile __P((struct proc *));
|
|
int procfs_validfpregs __P((struct proc *));
|
|
int procfs_validregs __P((struct proc *));
|
|
|
|
#define PROCFS_LOCKED 0x01
|
|
#define PROCFS_WANT 0x02
|
|
|
|
extern int (**procfs_vnodeop_p)();
|
|
extern struct vfsops procfs_vfsops;
|
|
|
|
/*
|
|
* Prototypes for procfs vnode ops
|
|
*/
|
|
int procfs_badop(); /* varargs */
|
|
int procfs_rw __P((struct vop_read_args *));
|
|
int procfs_lookup __P((struct vop_lookup_args *));
|
|
#define procfs_create ((int (*) __P((struct vop_create_args *))) procfs_badop)
|
|
#define procfs_mknod ((int (*) __P((struct vop_mknod_args *))) procfs_badop)
|
|
int procfs_open __P((struct vop_open_args *));
|
|
int procfs_close __P((struct vop_close_args *));
|
|
int procfs_access __P((struct vop_access_args *));
|
|
int procfs_getattr __P((struct vop_getattr_args *));
|
|
int procfs_setattr __P((struct vop_setattr_args *));
|
|
#define procfs_read procfs_rw
|
|
#define procfs_write procfs_rw
|
|
int procfs_ioctl __P((struct vop_ioctl_args *));
|
|
#define procfs_select ((int (*) __P((struct vop_select_args *))) procfs_badop)
|
|
#define procfs_mmap ((int (*) __P((struct vop_mmap_args *))) procfs_badop)
|
|
#define procfs_fsync ((int (*) __P((struct vop_fsync_args *))) procfs_badop)
|
|
#define procfs_seek ((int (*) __P((struct vop_seek_args *))) procfs_badop)
|
|
#define procfs_remove ((int (*) __P((struct vop_remove_args *))) procfs_badop)
|
|
#define procfs_link ((int (*) __P((struct vop_link_args *))) procfs_badop)
|
|
#define procfs_rename ((int (*) __P((struct vop_rename_args *))) procfs_badop)
|
|
#define procfs_mkdir ((int (*) __P((struct vop_mkdir_args *))) procfs_badop)
|
|
#define procfs_rmdir ((int (*) __P((struct vop_rmdir_args *))) procfs_badop)
|
|
#define procfs_symlink ((int (*) __P((struct vop_symlink_args *))) procfs_badop)
|
|
int procfs_readdir __P((struct vop_readdir_args *));
|
|
int procfs_readlink __P((struct vop_readlink_args *));
|
|
int procfs_abortop __P((struct vop_abortop_args *));
|
|
int procfs_inactive __P((struct vop_inactive_args *));
|
|
int procfs_reclaim __P((struct vop_reclaim_args *));
|
|
#define procfs_lock ((int (*) __P((struct vop_lock_args *))) nullop)
|
|
#define procfs_unlock ((int (*) __P((struct vop_unlock_args *))) nullop)
|
|
int procfs_bmap __P((struct vop_bmap_args *));
|
|
#define procfs_strategy ((int (*) __P((struct vop_strategy_args *))) procfs_badop)
|
|
int procfs_print __P((struct vop_print_args *));
|
|
#define procfs_islocked ((int (*) __P((struct vop_islocked_args *))) nullop)
|
|
#define procfs_advlock ((int (*) __P((struct vop_advlock_args *))) procfs_badop)
|
|
#define procfs_blkatoff ((int (*) __P((struct vop_blkatoff_args *))) procfs_badop)
|
|
#define procfs_valloc ((int (*) __P((struct vop_valloc_args *))) procfs_badop)
|
|
#define procfs_vfree ((int (*) __P((struct vop_vfree_args *))) nullop)
|
|
#define procfs_truncate ((int (*) __P((struct vop_truncate_args *))) procfs_badop)
|
|
#define procfs_update ((int (*) __P((struct vop_update_args *))) nullop)
|
|
#endif /* KERNEL */
|