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
11 * Redistribution and use in source and binary forms, with or without
12 * modification, are permitted provided that the following conditions
14 * 1. Redistributions of source code must retain the above copyright
15 * notice, this list of conditions and the following disclaimer.
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17 * notice, this list of conditions and the following disclaimer in the
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
24 * may be used to endorse or promote products derived from this software
25 * without specific prior written permission.
27 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
28 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
29 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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33 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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
36 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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 1.10 2007/02/03 09:50:49 y0netan1 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 */
62 Pnet
, /* the net sub-directory */
63 Pnetdev
, /* net devices */
64 Psys
, /* the sys sub-directory */
65 Psyskernel
, /* the sys/kernel sub-directory */
66 Pdevices
, /* devices */
67 Posrelease
, /* osrelease */
69 Ppidmax
, /* pid_max */
80 * control data for the proc file system.
83 struct pfsnode
*pfs_next
; /* next on list */
84 struct vnode
*pfs_vnode
; /* vnode associated with this pfsnode */
85 pfstype pfs_type
; /* type of procfs node */
86 pid_t pfs_pid
; /* associated process */
87 u_short pfs_mode
; /* mode bits for stat() */
88 u_long pfs_flags
; /* open flags */
89 u_long pfs_fileno
; /* unique file id */
90 struct thread
*pfs_lockowner
; /* pfs lock owner */
93 #define PROCFS_NAMELEN 8 /* max length of a filename component */
96 * Kernel stuff follows
99 #define CNEQ(cnp, s, len) \
100 ((cnp)->cn_namelen == (len) && \
101 (bcmp((s), (cnp)->cn_nameptr, (len)) == 0))
105 #define PROCFS_FILENO(pid, type) \
106 (((type) < Pproc) ? \
108 ((((pid)+1) << 4) + ((int) (type))))
111 * Convert between pfsnode vnode
113 #define VTOPFS(vp) ((struct pfsnode *)(vp)->v_data)
114 #define PFSTOV(pfs) ((pfs)->pfs_vnode)
116 typedef struct vfs_namemap vfs_namemap_t
;
122 int vfs_getuserstr (struct uio
*, char *, int *);
123 vfs_namemap_t
*vfs_findname (vfs_namemap_t
*, char *, int);
130 #define PFIND(pid) ((pid) ? pfind(pid) : &proc0)
132 void linprocfs_init (void);
133 void linprocfs_exit (struct thread
*);
134 int linprocfs_freevp (struct vnode
*);
135 int linprocfs_allocvp (struct mount
*, struct vnode
**, long, pfstype
);
136 int linprocfs_sstep (struct proc
*);
137 void linprocfs_fix_sstep (struct proc
*);
139 int linprocfs_read_regs (struct proc
*, struct reg
*);
140 int linprocfs_write_regs (struct proc
*, struct reg
*);
141 int linprocfs_read_fpregs (struct proc
*, struct fpreg
*);
142 int linprocfs_write_fpregs (struct proc
*, struct fpreg
*);
143 int linprocfs_read_dbregs (struct proc
*, struct dbreg
*);
144 int linprocfs_write_dbregs (struct proc
*, struct dbreg
*);
146 int linprocfs_domeminfo (struct proc
*, struct proc
*, struct pfsnode
*pfsp
, struct uio
*uio
);
147 int linprocfs_docpuinfo (struct proc
*, struct proc
*, struct pfsnode
*pfsp
, struct uio
*uio
);
148 int linprocfs_dostat (struct proc
*, struct proc
*, struct pfsnode
*pfsp
, struct uio
*uio
);
149 int linprocfs_douptime (struct proc
*, struct proc
*, struct pfsnode
*pfsp
, struct uio
*uio
);
150 int linprocfs_doversion (struct proc
*, struct proc
*, struct pfsnode
*pfsp
, struct uio
*uio
);
151 int linprocfs_doprocstat (struct proc
*, struct proc
*, struct pfsnode
*pfsp
, struct uio
*uio
);
152 int linprocfs_doprocstatus (struct proc
*, struct proc
*, struct pfsnode
*pfsp
, struct uio
*uio
);
153 int linprocfs_doloadavg (struct proc
*, struct proc
*, struct pfsnode
*pfsp
, struct uio
*uio
);
154 int linprocfs_donetdev (struct proc
*, struct proc
*, struct pfsnode
*pfsp
, struct uio
*uio
);
155 int linprocfs_dodevices (struct proc
*, struct proc
*, struct pfsnode
*pfsp
, struct uio
*uio
);
156 int linprocfs_doosrelease (struct proc
*, struct proc
*, struct pfsnode
*pfsp
, struct uio
*uio
);
157 int linprocfs_doostype (struct proc
*, struct proc
*, struct pfsnode
*pfsp
, struct uio
*uio
);
158 int linprocfs_dopidmax (struct proc
*, struct proc
*, struct pfsnode
*pfsp
, struct uio
*uio
);
159 int linprocfs_domaps(struct proc
*curp
, struct proc
*p
, struct pfsnode
*pfs
, struct uio
*uio
);
160 int linprocfs_dostatm(struct proc
*curp
, struct proc
*p
, struct pfsnode
*pfs
, struct uio
*uio
);
161 /* functions to check whether or not files should be displayed */
162 int linprocfs_validfile (struct proc
*);
164 #define PROCFS_LOCKED 0x01
165 #define PROCFS_WANT 0x02
167 int linprocfs_root (struct mount
*, struct vnode
**);
168 int linprocfs_rw (struct vop_read_args
*);