From mboxrd@z Thu Jan  1 00:00:00 1970
From: Simone Gotti <simone.gotti@email.it>
Date: Sat, 10 Apr 2004 17:16:29 +0000
Subject: Re: Little script for ISAPNP hotplug
Message-Id: <200404101916.29563.simone.gotti@email.it>
MIME-Version: 1
Content-Type: multipart/mixed; boundary="Boundary-00=_tvCeAQiz8L5RgLU"
List-Id: <linux-hotplug.vger.kernel.org>
References: <200404092044.54429.simone.gotti@email.it>
In-Reply-To: <200404092044.54429.simone.gotti@email.it>
To: linux-hotplug@vger.kernel.org


--Boundary-00=_tvCeAQiz8L5RgLU
Content-Type: text/plain;
  charset="iso-8859-1"
Content-Transfer-Encoding: 7bit
Content-Disposition: inline

On Friday 09 April 2004 20:44, Simone Gotti wrote:

By the way, today I've did the C modules.isapnp parser program.

The program is called "strange but true" isapnpmodules.
it's very simple, as I've used like base the code of usbmodules.

The scripts are 2 and a patch for hotplug.functions:

isapnp.rc 
isapnp.agent
hotplug.functions.patch (the patch is against hotplug-20040401, the latest 
avaible on my gentoo system) 

I've noticed that for the 2.6 kernel is prefered the bash parsing and not the 
use of usbmodules and pcimodules. 
The problem with isapnp is that in a standard PC there are more then 10 isa 
devices so in this way modules.isapnp is parsed a lot of times and all is 
slow (at least 16 seconds). 
Using the isapnpmodules it take not more than 2 seconds. So I've prefered it 
to bash parsing in the 2.6 kernel too.

I don't know it I've do something wrong due to my low level of documentation 
on how isapnp works.

isapnp.rc:
It checks if isapnp exists, then it look for the presence of sysfs. If both 
exists then sysfs data is used. This because sysfs reports the id of the 
isapnpdevice in a "string" form, like PNP0501. And I'm not able to convert it 
in the Vendor and Function hex form with a bash script.

if they don't exists then "procfs" is used. The vendor and function hex value 
are retrieved from "/proc/bus/pnp/devices" and sent to the isapnp.agent

isapnp.agent:
This agent act like the pci agent.

I hope it'll be useful.

Bye!
-- 
Simone Gotti
<simone.gotti@email.it>

--Boundary-00=_tvCeAQiz8L5RgLU
Content-Type: text/x-diff;
  charset="iso-8859-1";
  name="hotplug.functions.patch"
Content-Transfer-Encoding: 7bit
Content-Disposition: attachment;
	filename="hotplug.functions.patch"

--- hotplug.functions	2004-04-10 18:53:02.000000000 +0200
+++ hotplug.functions.isapnp	2004-04-10 18:50:16.150626368 +0200
@@ -77,14 +77,20 @@
     FILENAME=$2
     DESCRIPTION=$3
 
+	case $TYPE in
+	isapnp)
+		LISTER=`which ${TYPE}modules 2> /dev/null` 
+		;;
+	*)
     # should we use usbmodules, pcimodules?  not on 2.5+, because sysfs
     # ought to expose the data we need to find all candidate drivers.
     # (on 2.5.48 it does for usb; but maybe not yet for pci.)
     case "$KERNEL" in
-    2.2*|2.3*|2.4*)	LISTER=`which ${TYPE}modules` ;;
+    2.2*|2.3*|2.4*)	LISTER=`which ${TYPE}modules 2> /dev/null` ;;
     *)			LISTER="" ;;
     esac
-
+	esac
+	
     if [ "$LISTER" != "" ]; then
 	# lister programs MIGHT be preferable to parsing from shell scripts:
 	# - usbmodules used for (a) multi-interface devices, (b) coldplug
@@ -105,12 +111,30 @@
 	    debug_mesg "pcimodules is scanning more than $PCI_SLOT ..."
 	    DRIVERS=`$LISTER`
 	    ;;
+	isapnp)
+		if [ "$ISAPNP_ID" != "" ]; then 
+		debug_mesg "isapnpmodules is scanning for the ISAPNP Id $ISAPNP_ID ..."
+	    DRIVERS=`$LISTER --id $ISAPNP_ID`
+		elif [ "$ISAPNP_STRING" != "" ]; then 
+		debug_mesg "isapnpmodules is scanning for the ISAPNP String $ISAPNP_STRING ..."
+	    DRIVERS=`$LISTER --string $ISAPNP_STRING`
+		fi
+	    ;;
 	esac
     fi
 
     # try parsing by shell scripts if no luck yet
     if [ "$DRIVERS" = "" ]; then
+	case $TYPE in
+	isapnp)
+		if [ "$LISTER" = "" ]; then
+		${TYPE}_map_modules < $FILENAME
+		fi
+		;;
+	*)
 	${TYPE}_map_modules < $FILENAME
+	;;
+	esac
     fi
 
     # FIXME remove dups and blacklisted modules from $DRIVERS here

--Boundary-00=_tvCeAQiz8L5RgLU
Content-Type: application/x-shellscript;
  name="isapnp.agent"
Content-Transfer-Encoding: 7bit
Content-Disposition: attachment;
	filename="isapnp.agent"

#!/bin/sh
#
#
#  This program is free software; you can redistribute it and/or modify
#  it under the terms of the GNU General Public License as published by
#  the Free Software Foundation; either version 2 of the License, or
#  (at your option) any later version.
#
# ISAPNP-specific hotplug policy agent.
#
# This should handle 2.4.* and 2.6.* ISAPNP (for now only coldplugging),
#
# Kernel ISAPNP params are:
#	
#	ACTION=%s [add or remove]
#	ISAPNP_ID=%08X
#
# Copyright (C) 2004 Simone Gotti, All Rights Reserved.
#
# HISTORY:
#
# 2004/04/08 Simone Gotti 	first version
#

cd /etc/hotplug
. ./hotplug.functions

# generated by modutils, for current 2.4.x kernels
MAP_CURRENT=$MODULE_DIR/modules.isapnpmap

# accumulates list of modules we may care about
DRIVERS=

if [ "$ISAPNP_ID" = ""  -a "$ISAPNP_STRING" = "" ]; then
    mesg Bad ISAPNP agent invocation
    exit 1
fi

#
# stdin is "modules.isapnpmap" syntax
# on return, ONE matching module was added to $DRIVERS
#
isapnp_map_modules ()
{
    local module ignored

    # comment line lists (current) isapnp_device_id field names
    read ignored

    while read module cardvendor carddevice driver_data vendor device_function 
    do
	# comments are lines that start with "#" ...
	# be careful, they still get parsed by bash!
	case "$module" in
	\#*) continue ;;
	esac

	# remove the 0x in front of the hex values
	vendor=$(echo $vendor | sed -e 's/0x//') 
	device_function=$(echo $device_function | sed -e 's/0x//') 
	
	: checkmatch $module

	id_temp=$device_function$vendor
	if [ $id_temp == $ISAPNP_ID ]; then
	    DRIVERS="$module $DRIVERS"
	    : drivers $DRIVERS
	    break
	fi
    done
}


#
# What to do with this ISAPNP hotplug event?
#
case $ACTION in

add)	

	if [ "$ISAPNP_ID" != "" ]; then 
    	LABEL="ISAPNP id $ISAPNP_ID"
	elif [ "$ISAPNP_STRING" != "" ]; then 
		LABEL="ISAPNP string $ISAPNP_STRING"
	fi

    # on 2.4 systems, modutils maintains MAP_CURRENT
    if [ -r $MAP_CURRENT ]; then
    	load_drivers isapnp $MAP_CURRENT "$LABEL"
    fi

    if [ "$DRIVERS" = "" ]; then
	debug_mesg "... no modules for $LABEL"
	exit 2
    fi
    ;;

*)
    debug_mesg ISAPNP $ACTION event not supported
    exit 1
    ;;

esac

--Boundary-00=_tvCeAQiz8L5RgLU
Content-Type: application/x-shellscript;
  name="isapnp.rc"
Content-Transfer-Encoding: 7bit
Content-Disposition: attachment;
	filename="isapnp.rc"

#!/bin/sh
# vim: syntax=sh
#
#
#  This program is free software; you can redistribute it and/or modify
#  it under the terms of the GNU General Public License as published by
#  the Free Software Foundation; either version 2 of the License, or
#  (at your option) any later version.
#
# isapnp.rc	mostly to recover lost boot-time isapnp hotplug events
#	
# Copyright (C) 2004 Simone Gotti, All Rights Reserved.
#
#	2004/04/08 Simone Gotti (simone.gotti@email.it)
#

PATH=/sbin:/bin:/usr/sbin:/usr/bin

cd /etc/hotplug
. ./hotplug.functions

isapnp_boot_events ()
{
    # make sure the isapnp agent will run
    ACTION=add
    DOCK=0/0/0
 	ISAPNP_SLOT=00:00
	ISAPNP_ID=
	ISAPNP_STRING=
	
    export ACTION DOCK ISAPNP_ID ISAPNP_STRING

	# Check for the existance of "isapnpmodules"
	# if it exists we can use "sysfs" for finding devices
	# This because I'm not able to convert the ISAPNP string like PNP0000 to the hex values
	# using a bash script... If someone can help me doing this...
	# If isapnpmodules doesn't exists I'll use the /proc/bus/pnp infos...
	
	LISTER=`which isapnpmodules 2> /dev/null` 
    
	if [ -d /sys/bus -a "$LISTER" != "" ]; then
	# 2.6 kernels
		if [ -d /sys/bus/pnp/devices/ ]; then
			cd /sys/bus/pnp/devices/
			for ISAPNP_DEVICE in *; do
			# read the String id value 
			ISAPNP_STRING=`cat $ISAPNP_DEVICE/id`	
			/sbin/hotplug isapnp
			done
		fi
	else
		if [ -d /proc/bus/pnp/ ]; then
			cat /proc/bus/pnp/devices |
			while read line
			do
				ISAPNP_ID=`echo $line | cut -d' ' -f2` 
				/sbin/hotplug isapnp
			done	
		else 
			echo "/proc/bus/pnp/ not found, Is it enabled in your kernel?"
		fi
	fi   
    return 0
}

# See how we were called.
case "$1" in
  start)
	isapnp_boot_events
        ;;
  stop)
	# echo $"isapnp stop -- ignored"
        ;;
  status)
  	# echo $"isapnp status -- ignored"
  	;;
  restart)
	# always invoke by absolute path, else PATH=$PATH:
	$0 stop && $0 start
	;;
  *)
        echo $"Usage: $0 {start|stop|status|restart}"
        exit 1
esac

--Boundary-00=_tvCeAQiz8L5RgLU
Content-Type: application/x-tbz;
  name="isapnpmodules-0.1.tar.bz2"
Content-Transfer-Encoding: base64
Content-Disposition: attachment;
	filename="isapnpmodules-0.1.tar.bz2"
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--Boundary-00=_tvCeAQiz8L5RgLU--


-------------------------------------------------------
This SF.Net email is sponsored by: IBM Linux Tutorials
Free Linux tutorial presented by Daniel Robbins, President and CEO of
GenToo technologies. Learn everything from fundamentals to system
administration.http://ads.osdn.com/?ad_id=1470&alloc_id=3638&op=click
_______________________________________________
Linux-hotplug-devel mailing list  http://linux-hotplug.sourceforge.net
Linux-hotplug-devel@lists.sourceforge.net
https://lists.sourceforge.net/lists/listinfo/linux-hotplug-devel