1 files changed, 162 insertions, 0 deletions
diff --git a/sys/fs/procfs/procfs.h b/sys/fs/procfs/procfs.h
new file mode 100644
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+++ b/sys/fs/procfs/procfs.h
@@ -0,0 +1,162 @@
+/*
+ * 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	8.9 (Berkeley) 5/14/95
+ *
+ * From:
+ * $FreeBSD$
+ */
+
+/*
+ * 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 */
+	Pdbregs,	/* the process's debug register set */
+	Pctl,		/* process control */
+	Pstatus,	/* process status */
+	Pnote,		/* process notifier */
+	Pnotepg,	/* process group notifier */
+	Pmap,		/* memory map */
+	Ptype,		/* executable type */
+	Pcmdline,	/* command line */
+	Prlimit		/* resource limits */
+} 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 */
+	pid_t		pfs_lockowner;	/* pfs lock owner */
+};
+
+#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 */
+#define PROCFS_NAMELEN 	8	/* max length of a filename component */
+
+/*
+ * Kernel stuff follows
+ */
+#ifdef KERNEL
+#define CNEQ(cnp, s, len) \
+	 ((cnp)->cn_namelen == (len) && \
+	  (bcmp((s), (cnp)->cn_nameptr, (len)) == 0))
+
+#define KMEM_GROUP 2
+
+#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));
+
+/* <machine/reg.h> */
+struct reg;
+struct fpreg;
+struct dbreg;
+
+#define PFIND(pid) ((pid) ? pfind(pid) : &proc0)
+
+void procfs_exit __P((struct proc *));
+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_sstep __P((struct proc *));
+void procfs_fix_sstep __P((struct proc *));
+int procfs_read_regs __P((struct proc *, struct reg *));
+int procfs_write_regs __P((struct proc *, struct reg *));
+int procfs_read_fpregs __P((struct proc *, struct fpreg *));
+int procfs_write_fpregs __P((struct proc *, struct fpreg *));
+int procfs_read_dbregs __P((struct proc *, struct dbreg *));
+int procfs_write_dbregs __P((struct proc *, struct dbreg *));
+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_dodbregs __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));
+int procfs_domap __P((struct proc *, struct proc *, struct pfsnode *pfsp, struct uio *uio));
+int procfs_dotype __P((struct proc *, struct proc *, struct pfsnode *pfsp, struct uio *uio));
+int procfs_docmdline __P((struct proc *, struct proc *, struct pfsnode *pfsp, struct uio *uio));
+int procfs_dorlimit __P((struct proc *, struct proc *, struct pfsnode *pfsp, struct uio *uio));
+
+/* Return 1 if process has special kernel digging privileges */
+int procfs_kmemaccess __P((struct proc *));
+
+/* 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 *));
+int procfs_validdbregs __P((struct proc *));
+int procfs_validmap __P((struct proc *));
+int procfs_validtype __P((struct proc *));
+
+#define PROCFS_LOCKED	0x01
+#define PROCFS_WANT	0x02
+
+extern vop_t **procfs_vnodeop_p;
+
+int	procfs_root __P((struct mount *, struct vnode **));
+int	procfs_rw __P((struct vop_read_args *));
+#endif /* KERNEL */