2 * Copyright (c) 2000 Dag-Erling Coïdan Smørgrav
3 * Copyright (c) 1999 Pierre Beyssac
4 * Copyright (c) 1993 Jan-Simon Pendry
6 * The Regents of the University of California. All rights reserved.
8 * This code is derived from software contributed to Berkeley by
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12 * modification, are permitted provided that the following conditions
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15 * notice, this list of conditions and the following disclaimer.
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18 * documentation and/or other materials provided with the distribution.
19 * 3. All advertising materials mentioning features or use of this software
20 * must display the following acknowledgement:
21 * This product includes software developed by the University of
22 * California, Berkeley and its contributors.
23 * 4. Neither the name of the University nor the names of its contributors
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25 * without specific prior written permission.
27 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
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34 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
35 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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39 * @(#)procfs.h 8.9 (Berkeley) 5/14/95
41 * $FreeBSD: src/sys/i386/linux/linprocfs/linprocfs.h,v 1.2.2.4 2001/06/25 19:46:47 pirzyk Exp $
42 * $DragonFly: src/sys/emulation/linux/i386/linprocfs/linprocfs.h,v 1.9 2006/11/07 20:48:13 dillon Exp $
46 * The different types of node in a procfs filesystem
49 Proot, /* the filesystem root */
50 Pself, /* symbolic link for curproc */
51 Pproc, /* a process-specific sub-directory */
52 Pexe, /* the executable file */
53 Pmem, /* the process's memory image */
54 Pprocstat, /* the process's status */
55 Pprocstatus, /* the process's status (again) */
56 Pmeminfo, /* memory system statistics */
57 Pcpuinfo, /* CPU model, speed and features */
58 Pstat, /* kernel/system statistics */
59 Puptime, /* system uptime */
60 Pversion, /* system version */
61 Ploadavg /* system load average */
65 * control data for the proc file system.
68 struct pfsnode *pfs_next; /* next on list */
69 struct vnode *pfs_vnode; /* vnode associated with this pfsnode */
70 pfstype pfs_type; /* type of procfs node */
71 pid_t pfs_pid; /* associated process */
72 u_short pfs_mode; /* mode bits for stat() */
73 u_long pfs_flags; /* open flags */
74 u_long pfs_fileno; /* unique file id */
75 struct thread *pfs_lockowner; /* pfs lock owner */
78 #define PROCFS_NAMELEN 8 /* max length of a filename component */
81 * Kernel stuff follows
84 #define CNEQ(cnp, s, len) \
85 ((cnp)->cn_namelen == (len) && \
86 (bcmp((s), (cnp)->cn_nameptr, (len)) == 0))
90 #define PROCFS_FILENO(pid, type) \
93 ((((pid)+1) << 4) + ((int) (type))))
96 * Convert between pfsnode vnode
98 #define VTOPFS(vp) ((struct pfsnode *)(vp)->v_data)
99 #define PFSTOV(pfs) ((pfs)->pfs_vnode)
101 typedef struct vfs_namemap vfs_namemap_t;
107 int vfs_getuserstr (struct uio *, char *, int *);
108 vfs_namemap_t *vfs_findname (vfs_namemap_t *, char *, int);
115 #define PFIND(pid) ((pid) ? pfind(pid) : &proc0)
117 void linprocfs_exit (struct thread *);
118 int linprocfs_freevp (struct vnode *);
119 int linprocfs_allocvp (struct mount *, struct vnode **, long, pfstype);
120 int linprocfs_sstep (struct proc *);
121 void linprocfs_fix_sstep (struct proc *);
123 int linprocfs_read_regs (struct proc *, struct reg *);
124 int linprocfs_write_regs (struct proc *, struct reg *);
125 int linprocfs_read_fpregs (struct proc *, struct fpreg *);
126 int linprocfs_write_fpregs (struct proc *, struct fpreg *);
127 int linprocfs_read_dbregs (struct proc *, struct dbreg *);
128 int linprocfs_write_dbregs (struct proc *, struct dbreg *);
130 int linprocfs_domeminfo (struct proc *, struct proc *, struct pfsnode *pfsp, struct uio *uio);
131 int linprocfs_docpuinfo (struct proc *, struct proc *, struct pfsnode *pfsp, struct uio *uio);
132 int linprocfs_dostat (struct proc *, struct proc *, struct pfsnode *pfsp, struct uio *uio);
133 int linprocfs_douptime (struct proc *, struct proc *, struct pfsnode *pfsp, struct uio *uio);
134 int linprocfs_doversion (struct proc *, struct proc *, struct pfsnode *pfsp, struct uio *uio);
135 int linprocfs_doprocstat (struct proc *, struct proc *, struct pfsnode *pfsp, struct uio *uio);
136 int linprocfs_doprocstatus (struct proc *, struct proc *, struct pfsnode *pfsp, struct uio *uio);
137 int linprocfs_doloadavg (struct proc *, struct proc *, struct pfsnode *pfsp, struct uio *uio);
139 /* functions to check whether or not files should be displayed */
140 int linprocfs_validfile (struct proc *);
142 #define PROCFS_LOCKED 0x01
143 #define PROCFS_WANT 0x02
145 int linprocfs_root (struct mount *, struct vnode **);
146 int linprocfs_rw (struct vop_read_args *);