[src/trunk]: src In-kernel device configuration manager - allows modification

To: source-changes-hg%NetBSD.org@localhost
Subject: [src/trunk]: src In-kernel device configuration manager - allows modification
From: gmcgarry <gmcgarry%NetBSD.org@localhost>
Date: Fri, 24 Jan 2020 09:24:37 +0000
details:   https://anonhg.NetBSD.org/src/rev/d273f8bc8a2b
branches:  trunk
changeset: 511966:d273f8bc8a2b
user:      gmcgarry <gmcgarry%NetBSD.org@localhost>
date:      Sun Jul 01 02:56:20 2001 +0000

description:
In-kernel device configuration manager - allows modification
of device locators at run-time.

Written by Mats O Jansson <moj%stacken.kth.se@localhost>.  Reworked by
Jun-ichiro itojun Hagino <itojun%netbsd.org@localhost>.

diffstat:

 distrib/sets/lists/man/mi |    4 +-
 share/man/man4/Makefile   |    6 +-
 share/man/man4/userconf.4 |  150 +++++++
 sys/conf/files            |    6 +-
 sys/kern/subr_autoconf.c  |   15 +-
 sys/kern/subr_userconf.c  |  904 ++++++++++++++++++++++++++++++++++++++++++++++
 sys/sys/boot_flag.h       |    5 +-
 sys/sys/device.h          |   10 +-
 sys/sys/reboot.h          |    3 +-
 sys/sys/userconf.h        |   41 ++
 10 files changed, 1131 insertions(+), 13 deletions(-)

diffs (truncated from 1282 to 300 lines):

diff -r cf34be8db683 -r d273f8bc8a2b distrib/sets/lists/man/mi
--- a/distrib/sets/lists/man/mi Sun Jul 01 02:46:47 2001 +0000
+++ b/distrib/sets/lists/man/mi Sun Jul 01 02:56:20 2001 +0000
@@ -1,4 +1,4 @@
-# $NetBSD: mi,v 1.374 2001/06/27 23:11:31 wiz Exp $
+# $NetBSD: mi,v 1.375 2001/07/01 02:56:21 gmcgarry Exp $
 ./usr/share/info/am-utils.info                 man-amd-info
 ./usr/share/info/as.info                       man-computil-info
 ./usr/share/info/awk.info                      man-util-info
@@ -869,6 +869,7 @@
 ./usr/share/man/cat4/usb.0                     man-sys-catman
 ./usr/share/man/cat4/uscanner.0                        man-sys-catman
 ./usr/share/man/cat4/usscanner.0               man-sys-catman
+./usr/share/man/cat4/userconf.0                        man-sys-catman
 ./usr/share/man/cat4/uvisor.0                  man-sys-catman
 ./usr/share/man/cat4/uyap.0                    man-sys-catman
 ./usr/share/man/cat4/vax/acc.0                 man-sys-catman
@@ -2409,6 +2410,7 @@
 ./usr/share/man/man4/usb.4                     man-sys-man
 ./usr/share/man/man4/uscanner.4                        man-sys-man
 ./usr/share/man/man4/usscanner.4               man-sys-man
+./usr/share/man/man4/userconf.4                        man-sys-man
 ./usr/share/man/man4/uvisor.4                  man-sys-man
 ./usr/share/man/man4/uyap.4                    man-sys-man
 ./usr/share/man/man4/vax/acc.4                 man-sys-man
diff -r cf34be8db683 -r d273f8bc8a2b share/man/man4/Makefile
--- a/share/man/man4/Makefile   Sun Jul 01 02:46:47 2001 +0000
+++ b/share/man/man4/Makefile   Sun Jul 01 02:56:20 2001 +0000
@@ -1,4 +1,4 @@
-#      $NetBSD: Makefile,v 1.207 2001/06/28 21:12:01 fredette Exp $
+#      $NetBSD: Makefile,v 1.208 2001/07/01 02:56:21 gmcgarry Exp $
 #      @(#)Makefile    8.1 (Berkeley) 6/18/93
 
 MAN=   adv.4 adw.4 ahb.4 ahc.4 an.4 aria.4 atalk.4 audio.4 auich.4 auvia.4 \
@@ -17,8 +17,8 @@
        rtk.4 sbus.4 scsi.4 sd.4 se.4 ses.4 sf.4 siop.4 sip.4 sl.4 sm.4 \
        speaker.4 spp.4 sqphy.4 ss.4 st.4 ste.4 sv.4 strip.4 tb.4 tcp.4 \
        termios.4 ti.4 tl.4 tlp.4 tlphy.4 tp.4 tr.4 tty.4 tun.4 tqphy.4 twe.4 \
-       udp.4 uha.4 uk.4 ukphy.4 unix.4 vga.4 vlan.4 vnd.4 vr.4 wd.4 \
-       wdc.4 wi.4 wscons.4 wsdisplay.4 wskbd.4 wsmouse.4 \
+       udp.4 uha.4 uk.4 ukphy.4 unix.4 userconf.4 vga.4 vlan.4 vnd.4 \
+       vr.4 wd.4 wdc.4 wi.4 wscons.4 wsdisplay.4 wskbd.4 wsmouse.4 \
        wsmux.4 yds.4 ym.4 zero.4 zstty.4
 
 # USB devices
diff -r cf34be8db683 -r d273f8bc8a2b share/man/man4/userconf.4
--- /dev/null   Thu Jan 01 00:00:00 1970 +0000
+++ b/share/man/man4/userconf.4 Sun Jul 01 02:56:20 2001 +0000
@@ -0,0 +1,150 @@
+.\"     $NetBSD: userconf.4,v 1.1 2001/07/01 02:56:21 gmcgarry Exp $
+.\"
+.\" Copyright (c) 2001 The NetBSD Foundation, Inc.
+.\" All rights reserved.
+.\"
+.\" This code is derived from software contributed to The NetBSD Foundation
+.\" by Gregory McGarry.
+.\"
+.\" 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 NetBSD
+.\"        Foundation, Inc. and its contributors.
+.\" 4. Neither the name of The NetBSD Foundation 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 NETBSD FOUNDATION, INC. 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 FOUNDATION 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.
+.\"
+.Dd July 1, 2001
+.Dt USERCONF 9
+.Os
+.Sh NAME
+.Nm userconf
+.Nd in-kernel device configuration manager
+.Sh SYNOPSIS
+.Cd options USERCONF
+.Sh DESCRIPTION
+.Nm
+is the in-kernel device configuration manager.  It is used to alter
+the kernel autoconfiguration framework at runtime.
+.Nm
+is activated from the boot loader by passing the
+-c
+option to the kernel.
+.Sh COMMAND SYNTAX
+The general command syntax is:
+.Bd -ragged -offset indent
+.Ic command Op Ar option
+.Ed
+.Pp
+.Nm
+has a
+.Xr more 1 -like
+functionality; if a number of lines in a command's output exceeds the
+number defined in the lines variable, then
+.Nm displays
+.Dq "-- more --"
+and waits for a response, which may be one of:
+.Bl -tag -offset indent -width "<return>"
+.It <return>
+one more line.
+.It <space>
+one more page.
+.It Ic q
+abort the current command, and return to the command input mode.
+.El
+.Pp
+.Sh COMMANDS
+.Nm
+supports the following commands:
+.Bl -tag -width 5n
+.It Xo
+.Ic lines
+.Ar count
+.Xc
+Specify the number of lines before more.
+.It Xo
+.Ic base
+.Ar 8 |
+.Ar 10 |
+.Ar 16
+.Xc
+Base for displaying large numbers.
+.It Xo
+.Ic change
+.Ar devno |
+.Ar dev
+.Xc
+Change devices.
+.It Xo
+.Ic disable
+.Ar devno |
+.Ar dev
+.Xc
+Disable devices.
+.It Xo
+.Ic enable
+.Ar devno |
+.Ar dev
+.Xc
+Enable devices.
+.It Xo
+.Ic exit
+.Xc
+A synonym for
+.Ic quit .
+.It Xo
+.Ic find
+.Ar devno |
+.Ar dev
+.Xc
+Find devices.
+.It Xo
+.Ic help
+.Xc
+Display online help.
+.It Xo
+.Ic list
+.Xc
+List current configuration.
+.It Xo
+.Ic quit
+.Xc
+Leave userconf.
+.It Xo
+.Ic ?
+.Xc
+A synomym for
+.Ic help .
+.El
+.Sh AUTHOR
+The
+.Nm
+framework was written by
+.An Mats O Jansson
+.Aq moj%stacken.kth.se@localhost .
+
+.Sh HISTORY
+The
+.Nm
+framework appeared in
+.Nx 1.6 .
diff -r cf34be8db683 -r d273f8bc8a2b sys/conf/files
--- a/sys/conf/files    Sun Jul 01 02:46:47 2001 +0000
+++ b/sys/conf/files    Sun Jul 01 02:56:20 2001 +0000
@@ -1,4 +1,4 @@
-#      $NetBSD: files,v 1.448 2001/06/19 17:58:41 jdolecek Exp $
+#      $NetBSD: files,v 1.449 2001/07/01 02:56:20 gmcgarry Exp $
 
 #      @(#)files.newconf       7.5 (Berkeley) 5/10/93
 
@@ -122,6 +122,9 @@
 # buffer cache size options
 defopt opt_bufcache.h  BUFCACHE BUFPAGES
 
+# userconf
+defopt opt_userconf.h  USERCONF
+
 
 # Not entirely MI, but present on multiple arch's
 
@@ -862,6 +865,7 @@
 file   kern/subr_prf.c
 file   kern/subr_prof.c
 file   kern/subr_rmap.c
+file   kern/subr_userconf.c            userconf
 file   kern/subr_xxx.c
 file   kern/sys_generic.c
 file   kern/sys_pipe.c                 new_pipe
diff -r cf34be8db683 -r d273f8bc8a2b sys/kern/subr_autoconf.c
--- a/sys/kern/subr_autoconf.c  Sun Jul 01 02:46:47 2001 +0000
+++ b/sys/kern/subr_autoconf.c  Sun Jul 01 02:56:20 2001 +0000
@@ -1,4 +1,4 @@
-/* $NetBSD: subr_autoconf.c,v 1.56 2001/05/28 16:40:31 thorpej Exp $ */
+/* $NetBSD: subr_autoconf.c,v 1.57 2001/07/01 02:56:20 gmcgarry Exp $ */
 
 /*
  * Copyright (c) 1996, 2000 Christopher G. Demetriou
@@ -82,7 +82,7 @@
 
 #include <sys/cdefs.h>
 
-__KERNEL_RCSID(0, "$NetBSD: subr_autoconf.c,v 1.56 2001/05/28 16:40:31 thorpej Exp $");
+__KERNEL_RCSID(0, "$NetBSD: subr_autoconf.c,v 1.57 2001/07/01 02:56:20 gmcgarry Exp $");
 
 #include <sys/param.h>
 #include <sys/device.h>
@@ -93,6 +93,12 @@
 #include <sys/proc.h>
 #include <machine/limits.h>
 
+#include "opt_userconf.h"
+#ifdef USERCONF
+#include <sys/userconf.h>
+#include <sys/reboot.h>
+#endif
+
 /*
  * Autoconfiguration subroutines.
  */
@@ -150,6 +156,11 @@
        TAILQ_INIT(&interrupt_config_queue);
        TAILQ_INIT(&alldevs); 
 
+#ifdef USERCONF
+       if (boothowto & RB_USERCONF)
+               user_config();
+#endif
+
        /*
         * Do the machine-dependent portion of autoconfiguration.  This
         * sets the configuration machinery here in motion by "finding"
diff -r cf34be8db683 -r d273f8bc8a2b sys/kern/subr_userconf.c
--- /dev/null   Thu Jan 01 00:00:00 1970 +0000
+++ b/sys/kern/subr_userconf.c  Sun Jul 01 02:56:20 2001 +0000
@@ -0,0 +1,904 @@
+/*     $NetBSD: subr_userconf.c,v 1.1 2001/07/01 02:56:20 gmcgarry Exp $       */
+
+/*
+ * Copyright (c) 1996 Mats O Jansson <moj%stacken.kth.se@localhost>
+ * 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 Mats O Jansson.
+ * 4. The name of the author may not be used to endorse or promote
+ *    products derived from this software without 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
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