diff --git a/.github/labeler.yml b/.github/labeler.yml
index 5667c63571..dda81b275b 100644
--- a/.github/labeler.yml
+++ b/.github/labeler.yml
@@ -382,10 +382,6 @@ dasd_mod:
   - changed-files:
     - any-glob-to-any-file: 'modules.d/95dasd_mod/*'
 
-dasd_rules:
-  - changed-files:
-    - any-glob-to-any-file: 'modules.d/95dasd_rules/*'
-
 dcssblk:
   - changed-files:
     - any-glob-to-any-file: 'modules.d/95dcssblk/*'
@@ -426,10 +422,6 @@ nvmf:
   - changed-files:
     - any-glob-to-any-file: 'modules.d/95nvmf/*'
 
-qeth_rules:
-  - changed-files:
-    - any-glob-to-any-file: 'modules.d/95qeth_rules/*'
-
 resume:
   - changed-files:
     - any-glob-to-any-file: 'modules.d/95resume/*'
@@ -462,10 +454,6 @@ zfcp:
   - changed-files:
     - any-glob-to-any-file: 'modules.d/95zfcp/*'
 
-zfcp_rules:
-  - changed-files:
-    - any-glob-to-any-file: 'modules.d/95zfcp_rules/*'
-
 znet:
   - changed-files:
     - any-glob-to-any-file: 'modules.d/95znet/*'
diff --git a/man/dracut.cmdline.7.asc b/man/dracut.cmdline.7.asc
index ecdb366dcf..bb5a9e89ee 100644
--- a/man/dracut.cmdline.7.asc
+++ b/man/dracut.cmdline.7.asc
@@ -972,19 +972,38 @@ root=virtiofs:host rw
 DASD
 ~~~~
 **rd.dasd=**....::
-    same syntax as the kernel module parameter (s390 only)
+    same syntax as the kernel module parameter (s390 only).
+    For more details on the syntax see the IBM book
+    "Linux on IBM Z and IBM LinuxONE - Device Drivers, Features, and Commands"
+    https://www.ibm.com/docs/en/linux-on-systems?topic=overview-device-drivers-features-commands.
+    This parameter can be specified multiple times.
++
+NOTE:
+    This parameter is no longer handled by dracut itself but with the exact
+    same syntax by
+    https://github.com/ibm-s390-linux/s390-tools/tree/master/zdev/dracut/95zdev.
 
 ZFCP
 ~~~~
 **rd.zfcp=**__<zfcp adaptor device bus ID>__,__<WWPN>__,__<FCPLUN>__::
     rd.zfcp can be specified multiple times on the kernel command
     line.
++
+NOTE:
+    This parameter is no longer handled by dracut itself but with the exact
+    same syntax by
+    https://github.com/ibm-s390-linux/s390-tools/tree/master/zdev/dracut/95zdev.
 
 **rd.zfcp=**__<zfcp adaptor device bus ID>__::
     If NPIV is enabled and the 'allow_lun_scan' parameter to the zfcp
-    module is set to 'Y' then the zfcp adaptor will be initiating a
+    module is set to 'Y' then the zfcp driver will be initiating a
     scan internally and the <WWPN> and <FCPLUN> parameters can be omitted.
 +
+NOTE:
+    This parameter is no longer handled by dracut itself but with the exact
+    same syntax by
+    https://github.com/ibm-s390-linux/s390-tools/tree/master/zdev/dracut/95zdev.
++
 [listing]
 .Example
 --
@@ -998,9 +1017,12 @@ rd.zfcp=0.0.4000
 ZNET
 ~~~~
 **rd.znet=**__<nettype>__,__<subchannels>__,__<options>__::
-    The whole parameter is appended to /etc/ccw.conf, which is used on
-    RHEL/Fedora with ccw_init, which is called from udev for certain
-    devices on z-series.
+    Activates a channel-attached network interface on s390 architecture.
+    <nettype> is one of: qeth, lcs, ctc.
+    <subchannels> is a comma-separated list of ccw device bus-IDs.
+    The list consists of 3 entries with nettype qeth, and 2 for other nettype.
+    <options> is a comma-separated list of <name>=<value> pairs,
+    where <name> refers to a device sysfs attribute to which <value> gets written.
     rd.znet can be specified multiple times on the kernel command line.
 
 **rd.znet_ifname=**__<ifname>__:__<subchannels>__::
diff --git a/modules.d/45ifcfg/write-ifcfg.sh b/modules.d/45ifcfg/write-ifcfg.sh
index ddb1dc3091..10df22ae15 100755
--- a/modules.d/45ifcfg/write-ifcfg.sh
+++ b/modules.d/45ifcfg/write-ifcfg.sh
@@ -10,68 +10,21 @@ mkdir -m 0755 -p /tmp/ifcfg/
 # shellcheck disable=SC2174
 mkdir -m 0755 -p /tmp/ifcfg-leases/
 
-get_config_line_by_subchannel() {
-    local CHANNELS
-    local line
-
-    CHANNELS="$1"
-    while read -r line || [ -n "$line" ]; do
-        if strstr "$line" "$CHANNELS"; then
-            echo "$line"
-            return 0
-        fi
-    done < /etc/ccw.conf
-    return 1
-}
-
 print_s390() {
     local _netif
     local SUBCHANNELS
-    local OPTIONS
-    local NETTYPE
-    local CONFIG_LINE
     local i
-    local channel
-    local OLD_IFS
 
     _netif="$1"
     # if we find ccw channel, then use those, instead of
     # of the MAC
-    SUBCHANNELS=$({
-        for i in /sys/class/net/"$_netif"/device/cdev[0-9]*; do
-            [ -e "$i" ] || continue
-            channel=$(readlink -f "$i")
-            printf '%s' "${channel##*/},"
-        done
-    })
+    # [iface_get_subchannels() from /lib/net-lib.sh sourced at top of this file]
+    SUBCHANNELS=$(iface_get_subchannels "$_netif")
     [ -n "$SUBCHANNELS" ] || return 1
 
     SUBCHANNELS=${SUBCHANNELS%,}
     echo "SUBCHANNELS=\"${SUBCHANNELS}\""
 
-    CONFIG_LINE=$(get_config_line_by_subchannel "$SUBCHANNELS")
-    # shellcheck disable=SC2181
-    [ $? -ne 0 -o -z "$CONFIG_LINE" ] && return 0
-
-    OLD_IFS=$IFS
-    IFS=","
-    # shellcheck disable=SC2086
-    set -- $CONFIG_LINE
-    IFS=$OLD_IFS
-    NETTYPE=$1
-    shift
-    SUBCHANNELS="$1"
-    OPTIONS=""
-    shift
-    while [ $# -gt 0 ]; do
-        case $1 in
-            *=*) OPTIONS="$OPTIONS $1" ;;
-        esac
-        shift
-    done
-    OPTIONS=${OPTIONS## }
-    echo "NETTYPE=\"${NETTYPE}\""
-    echo "OPTIONS=\"${OPTIONS}\""
     return 0
 }
 
diff --git a/modules.d/80cms/cms-write-ifcfg.sh b/modules.d/80cms/cms-write-ifcfg.sh
index ecfd53efb0..9126309212 100755
--- a/modules.d/80cms/cms-write-ifcfg.sh
+++ b/modules.d/80cms/cms-write-ifcfg.sh
@@ -81,21 +81,8 @@ EOF
     fi
     # colons in SEARCHDNS already replaced with spaces above for /etc/resolv.conf
     [[ $SEARCHDNS ]] && echo "DOMAIN=\"$SEARCHDNS\"" >> "$IFCFGFILE"
-    [[ $NETTYPE ]] && echo "NETTYPE=$NETTYPE" >> "$IFCFGFILE"
     [[ $PEERID ]] && echo "PEERID=$PEERID" >> "$IFCFGFILE"
-    [[ $PORTNAME ]] && echo "PORTNAME=$PORTNAME" >> "$IFCFGFILE"
-    [[ $CTCPROT ]] && echo "CTCPROT=$CTCPROT" >> "$IFCFGFILE"
     [[ $MACADDR ]] && echo "MACADDR=$MACADDR" >> "$IFCFGFILE"
-    optstr=""
-    for option in LAYER2 PORTNO; do
-        [ -z "${!option}" ] && continue
-        [ -n "$optstr" ] && optstr=${optstr}" "
-        optstr=${optstr}$(echo ${option} | sed 'y/ABCDEFGHIJKLMNOPQRSTUVWXYZ/abcdefghijklmnopqrstuvwxyz/')"="${!option}
-    done
-    # write single quotes since network.py removes double quotes but we need quotes
-    echo "OPTIONS='$optstr'" >> "$IFCFGFILE"
-    unset option
-    unset optstr
     unset DNS1
     unset DNS2
     echo "files /etc/sysconfig/network-scripts" >> /run/initramfs/rwtab
diff --git a/modules.d/80cms/cmssetup.sh b/modules.d/80cms/cmssetup.sh
index 68e45632fe..5e5b926718 100755
--- a/modules.d/80cms/cmssetup.sh
+++ b/modules.d/80cms/cmssetup.sh
@@ -1,35 +1,18 @@
 #!/bin/bash
 
 type getarg > /dev/null 2>&1 || . /lib/dracut-lib.sh
-
-function sysecho() {
-    file="$1"
-    shift
-    local i=1
-    while [ $i -le 10 ]; do
-        if [ ! -f "$file" ]; then
-            sleep 1
-            i=$((i + 1))
-        else
-            break
-        fi
-    done
-    local status
-    read -r status < "$file"
-    if [[ $status != "$*" ]]; then
-        [ -f "$file" ] && echo "$*" > "$file"
-    fi
-}
+type zdev_parse_dasd_list > /dev/null 2>&1 || . /lib/s390-tools/zdev-from-dasd_mod.dasd
 
 function dasd_settle() {
-    local dasd_status=/sys/bus/ccw/devices/$1/status
+    local dasd_status
+    dasd_status=$(lszdev dasd "$1" --columns ATTRPATH:status --no-headings --active)
     if [ ! -f "$dasd_status" ]; then
         return 1
     fi
     local i=1
     while [ $i -le 60 ]; do
         local status
-        read -r status < "$dasd_status"
+        status=$(lszdev dasd "$1" --columns ATTR:status --no-headings --active)
         case $status in
             online | unformatted)
                 return 0
@@ -43,77 +26,23 @@ function dasd_settle() {
     return 1
 }
 
-function dasd_settle_all() {
-    for dasdccw in $(while read -r line || [ -n "$line" ]; do echo "${line%%(*}"; done < /proc/dasd/devices); do
-        if ! dasd_settle "$dasdccw"; then
-            echo $"Could not access DASD $dasdccw in time"
-            return 1
-        fi
-    done
-    return 0
-}
-
-# prints a canonocalized device bus ID for a given devno of any format
-function canonicalize_devno() {
-    case ${#1} in
-        3) echo "0.0.0${1}" ;;
-        4) echo "0.0.${1}" ;;
-        *) echo "${1}" ;;
-    esac
-    return 0
-}
-
 # read file from CMS and write it to /tmp
 function readcmsfile() { # $1=dasdport $2=filename
     local dev
-    local numcpus
     local devname
     local ret=0
     if [ $# -ne 2 ]; then return; fi
-    # precondition: udevd created dasda block device node
-    if ! dasd_cio_free -d "$1"; then
-        echo $"DASD $1 could not be cleared from device blacklist"
-        return 1
-    fi
-
-    modprobe dasd_mod dasd="$CMSDASD"
-    modprobe dasd_eckd_mod
-    udevadm settle
-
-    # precondition: dasd_eckd_mod driver incl. dependencies loaded,
-    #               dasd_mod must be loaded without setting any DASD online
-    dev=$(canonicalize_devno "$1")
-    numcpus=$(
-        while read -r line || [ -n "$line" ]; do
-            if strstr "$line" "# processors"; then
-                echo "${line##*:}"
-                break
-            fi
-        done < /proc/cpuinfo
-    )
+    # precondition: udevd created block device node
 
-    if [ "${numcpus}" -eq 1 ]; then
-        echo 1 > /sys/bus/ccw/devices/"$dev"/online
-    else
-        if ! sysecho /sys/bus/ccw/devices/"$dev"/online 1; then
-            echo $"DASD $dev could not be set online"
-            return 1
-        fi
-        udevadm settle
-        if ! dasd_settle "$dev"; then
-            echo $"Could not access DASD $dev in time"
-            return 1
-        fi
+    dev="$1"
+    chzdev --enable --active --yes --quiet --no-root-update --force dasd "$dev" || return 1
+    if ! dasd_settle "$dev"; then
+        echo $"Could not access DASD $dev in time"
+        return 1
     fi
 
-    udevadm settle
-
-    devname=$(
-        cd /sys/bus/ccw/devices/"$dev"/block || exit
-        set -- *
-        [ -b /dev/"$1" ] && echo "$1"
-    )
-    devname=${devname:-dasda}
+    devname=$(lszdev dasd "$dev" --columns NAMES --no-headings --active)
+    [[ -n $devname ]] || return 1
 
     [[ -d /mnt ]] || mkdir -p /mnt
     if cmsfs-fuse --to=UTF-8 -a /dev/"$devname" /mnt; then
@@ -125,20 +54,22 @@ function readcmsfile() { # $1=dasdport $2=filename
         ret=1
     fi
 
-    if ! sysecho /sys/bus/ccw/devices/"$dev"/online 0; then
-        echo $"DASD $dev could not be set offline again"
-        #return 1
-    fi
-    udevadm settle
+    chzdev --disable --active --yes --quiet --no-root-update --force dasd "$dev"
 
     # unbind all dasds to unload the dasd modules for a clean start
     (
         cd /sys/bus/ccw/drivers/dasd-eckd || exit
-        for i in *.*; do echo "$i" > unbind; done
+        for i in *.*; do echo "$i" > unbind 2> /dev/null; done
+    )
+    (
+        cd /sys/bus/ccw/drivers/dasd-fba || exit
+        for i in *.*; do echo "$i" > unbind 2> /dev/null; done
     )
     udevadm settle
     modprobe -r dasd_eckd_mod
     udevadm settle
+    modprobe -r dasd_fba_mod
+    udevadm settle
     modprobe -r dasd_diag_mod
     udevadm settle
     modprobe -r dasd_mod
@@ -151,13 +82,19 @@ processcmsfile() {
     SUBCHANNELS="$(echo "$SUBCHANNELS" | sed 'y/ABCDEF/abcdef/')"
 
     if [[ $NETTYPE ]]; then
-        (
-            echo -n "$NETTYPE","$SUBCHANNELS"
-            [[ $PORTNAME ]] && echo -n ",portname=$PORTNAME"
-            [[ $LAYER2 ]] && echo -n ",layer2=$LAYER2"
-            [[ $NETTYPE == "ctc" ]] && [[ $CTCPROT ]] && echo -n ",protocol=$CTCPROT"
-            echo
-        ) >> /etc/ccw.conf
+        _cms_attrs=""
+        if [[ $PORTNAME ]]; then
+            if [[ $NETTYPE == lcs ]]; then
+                _cms_attrs="$_cms_attrs portno=$PORTNAME"
+            else
+                _cms_attrs="$_cms_attrs portname=$PORTNAME"
+            fi
+        fi
+        [[ $LAYER2 ]] && _cms_attrs="$_cms_attrs layer2=$LAYER2"
+        [[ $CTCPROT ]] && _cms_attrs="$_cms_attrs protocol=$CTCPROT"
+        # shellcheck disable=SC2086
+        chzdev --enable --persistent --yes --no-root-update --force \
+            "$NETTYPE" "$SUBCHANNELS" $_cms_attrs 2>&1 | vinfo
 
         OLDIFS=$IFS
         IFS=,
@@ -178,16 +115,13 @@ processcmsfile() {
         [[ -f /etc/udev/rules.d/90-net.rules ]] \
             || printf 'SUBSYSTEM=="net", ACTION=="online", RUN+="/sbin/initqueue --onetime --env netif=$name source_hook initqueue/online"\n' >> /etc/udev/rules.d/99-cms.rules
         udevadm control --reload
-        znet_cio_free
     fi
 
     if [[ $DASD ]] && [[ $DASD != "none" ]]; then
-        echo "$DASD" | normalize_dasd_arg > /etc/dasd.conf
-        echo "options dasd_mod dasd=$DASD" > /etc/modprobe.d/dasd_mod.conf
-        dasd_cio_free
+        echo "$DASD" | zdev_parse_dasd_list globals 2>&1 | vinfo
+        echo "$DASD" | zdev_parse_dasd_list ranges 2>&1 | vinfo
     fi
 
-    unset _do_zfcp
     for i in ${!FCP_*}; do
         echo "${!i}" | while read -r port rest || [ -n "$port" ]; do
             case $port in
@@ -200,12 +134,24 @@ processcmsfile() {
                     port="0.0.$port"
                     ;;
             esac
-            echo "$port" "$rest" >> /etc/zfcp.conf
+            # shellcheck disable=SC2086
+            set -- $rest
+            SAVED_IFS="$IFS"
+            IFS=":"
+            # Intentionally do not dynamically activate now, but only generate udev
+            # rules, which activate the device later during udev coldplug.
+            if [[ -z $rest ]]; then
+                chzdev --enable --persistent \
+                    --no-settle --yes --quiet --no-root-update --force \
+                    zfcp-host "$port" 2>&1 | vinfo
+            else
+                chzdev --enable --persistent \
+                    --no-settle --yes --quiet --no-root-update --force \
+                    zfcp-lun "$port:$*" 2>&1 | vinfo
+            fi
+            IFS="$SAVED_IFS"
         done
-        _do_zfcp=1
     done
-    [[ $_do_zfcp ]] && zfcp_cio_free
-    unset _do_zfcp
 }
 
 [[ $CMSDASD ]] || CMSDASD=$(getarg "CMSDASD=")
diff --git a/modules.d/80cms/module-setup.sh b/modules.d/80cms/module-setup.sh
index 2b280e0f37..5b33cd1806 100755
--- a/modules.d/80cms/module-setup.sh
+++ b/modules.d/80cms/module-setup.sh
@@ -4,6 +4,7 @@
 check() {
     arch=${DRACUT_ARCH:-$(uname -m)}
     [ "$arch" = "s390" -o "$arch" = "s390x" ] || return 1
+    require_binaries chzdev lszdev || return 1
     return 255
 }
 
@@ -11,13 +12,13 @@ check() {
 depends() {
     arch=${DRACUT_ARCH:-$(uname -m)}
     [ "$arch" = "s390" -o "$arch" = "s390x" ] || return 1
-    echo znet zfcp dasd dasd_mod bash
+    echo znet bash
     return 0
 }
 
 # called by dracut
 installkernel() {
-    instmods zfcp
+    instmods zfcp dasd_mod dasd_eckd_mod dasd_fba_mod dasd_diag_mod
 }
 
 # called by dracut
@@ -27,8 +28,8 @@ install() {
     inst_script "$moddir/cmsifup.sh" /sbin/cmsifup
     # shellcheck disable=SC2046
     inst_multiple /etc/cmsfs-fuse/filetypes.conf /etc/udev/rules.d/99-fuse.rules /etc/fuse.conf \
-        cmsfs-fuse fusermount bash insmod rmmod cat normalize_dasd_arg sed \
-        $(rpm -ql s390utils-base) awk getopt
+        cmsfs-fuse fusermount bash insmod rmmod cat /lib/s390-tools/zdev-from-dasd_mod.dasd sed \
+        awk getopt chzdev lszdev
 
     inst_libdir_file "gconv/*"
     #inst /usr/lib/locale/locale-archive
diff --git a/modules.d/95dasd/module-setup.sh b/modules.d/95dasd/module-setup.sh
index 180da1406c..825f95d810 100755
--- a/modules.d/95dasd/module-setup.sh
+++ b/modules.d/95dasd/module-setup.sh
@@ -4,20 +4,18 @@
 check() {
     local _arch=${DRACUT_ARCH:-$(uname -m)}
     [ "$_arch" = "s390" -o "$_arch" = "s390x" ] || return 1
-    require_binaries normalize_dasd_arg || return 1
+    require_binaries dasdconf.sh || return 1
     return 0
 }
 
 # called by dracut
 depends() {
-    echo "dasd_mod"
     return 0
 }
 
 # called by dracut
 install() {
-    inst_hook cmdline 30 "$moddir/parse-dasd.sh"
-    inst_multiple dasdinfo dasdconf.sh normalize_dasd_arg
+    inst_multiple dasdconf.sh
     conf=/etc/dasd.conf
     if [[ $hostonly && -f $conf ]]; then
         inst -H $conf
diff --git a/modules.d/95dasd/parse-dasd.sh b/modules.d/95dasd/parse-dasd.sh
deleted file mode 100755
index cda3970c5b..0000000000
--- a/modules.d/95dasd/parse-dasd.sh
+++ /dev/null
@@ -1,11 +0,0 @@
-#!/bin/sh
-for dasd_arg in $(getargs rd.dasd= -d rd_DASD= DASD=); do
-    (
-        local OLDIFS="$IFS"
-        IFS=","
-        # shellcheck disable=SC2086
-        set -- $dasd_arg
-        IFS="$OLDIFS"
-        echo "$@" | normalize_dasd_arg >> /etc/dasd.conf
-    )
-done
diff --git a/modules.d/95dasd_mod/module-setup.sh b/modules.d/95dasd_mod/module-setup.sh
index c59dd3acee..155eaacc71 100755
--- a/modules.d/95dasd_mod/module-setup.sh
+++ b/modules.d/95dasd_mod/module-setup.sh
@@ -4,7 +4,6 @@
 check() {
     local _arch=${DRACUT_ARCH:-$(uname -m)}
     [ "$_arch" = "s390" -o "$_arch" = "s390x" ] || return 1
-    require_binaries grep sed seq
 
     return 0
 }
@@ -22,6 +21,5 @@ installkernel() {
 # called by dracut
 install() {
     inst_hook cmdline 31 "$moddir/parse-dasd-mod.sh"
-    inst_multiple grep sed seq
     inst_multiple -o dasd_cio_free
 }
diff --git a/modules.d/95dasd_mod/parse-dasd-mod.sh b/modules.d/95dasd_mod/parse-dasd-mod.sh
index 2b86d45434..b635ecf9c2 100755
--- a/modules.d/95dasd_mod/parse-dasd-mod.sh
+++ b/modules.d/95dasd_mod/parse-dasd-mod.sh
@@ -1,18 +1,4 @@
 #!/bin/sh
-mod_args=""
-
-for dasd_arg in $(getargs rd.dasd= -d rd_DASD= DASD=); do
-    mod_args="$mod_args,$dasd_arg"
-done
-
-mod_args="${mod_args#*,}"
-
-if [ -x /sbin/dasd_cio_free -a -n "$mod_args" ]; then
-    [ -d /etc/modprobe.d ] || mkdir -m 0755 -p /etc/modprobe.d
-    echo "options dasd_mod dasd=$mod_args" >> /etc/modprobe.d/dasd_mod.conf
-fi
-
-unset dasd_arg
 if [ -x /sbin/dasd_cio_free ]; then
     dasd_cio_free
 fi
diff --git a/modules.d/95dasd_rules/module-setup.sh b/modules.d/95dasd_rules/module-setup.sh
deleted file mode 100755
index 06c57a48eb..0000000000
--- a/modules.d/95dasd_rules/module-setup.sh
+++ /dev/null
@@ -1,65 +0,0 @@
-#!/bin/bash
-
-# called by dracut
-cmdline() {
-    is_dasd() {
-        local _dev=$1
-        local _devpath
-        _devpath=$(
-            cd -P /sys/dev/block/"$_dev" || exit
-            echo "$PWD"
-        )
-
-        [ "${_devpath#*/dasd}" == "$_devpath" ] && return 1
-        _ccw="${_devpath%%/block/*}"
-        echo "rd.dasd=${_ccw##*/}"
-        return 0
-    }
-    [[ $hostonly ]] || [[ $mount_needs ]] && {
-        for_each_host_dev_and_slaves_all is_dasd || return 255
-    } | sort | uniq
-}
-
-# called by dracut
-check() {
-    local _arch=${DRACUT_ARCH:-$(uname -m)}
-    local found=0
-    local bdev
-    [ "$_arch" = "s390" -o "$_arch" = "s390x" ] || return 1
-
-    [[ $hostonly ]] || [[ $mount_needs ]] && {
-        for bdev in /sys/block/*; do
-            case "${bdev##*/}" in
-                dasd*)
-                    found=$((found + 1))
-                    break
-                    ;;
-            esac
-        done
-        [ $found -eq 0 ] && return 255
-    }
-    return 0
-}
-
-# called by dracut
-depends() {
-    echo 'dasd_mod' bash
-    return 0
-}
-
-# called by dracut
-install() {
-    inst_hook cmdline 30 "$moddir/parse-dasd.sh"
-    if [[ $hostonly_cmdline == "yes" ]]; then
-        local _dasd
-        _dasd=$(cmdline)
-        [[ $_dasd ]] && printf "%s\n" "$_dasd" >> "${initdir}/etc/cmdline.d/95dasd.conf"
-    fi
-    if [[ $hostonly ]]; then
-        inst_rules_wildcard "51-dasd-*.rules"
-        inst_rules_wildcard "41-dasd-*.rules"
-        mark_hostonly /etc/udev/rules.d/51-dasd-*.rules
-        mark_hostonly /etc/udev/rules.d/41-dasd-*.rules
-    fi
-    inst_rules 59-dasd.rules
-}
diff --git a/modules.d/95dasd_rules/parse-dasd.sh b/modules.d/95dasd_rules/parse-dasd.sh
deleted file mode 100755
index 4454aec3e3..0000000000
--- a/modules.d/95dasd_rules/parse-dasd.sh
+++ /dev/null
@@ -1,43 +0,0 @@
-#!/bin/bash
-
-allow_device() {
-    local ccw=$1
-
-    if [ -x /sbin/cio_ignore ] && cio_ignore -i "$ccw" > /dev/null; then
-        cio_ignore -r "$ccw"
-    fi
-}
-
-if [[ -f /sys/firmware/ipl/ipl_type ]] && [[ $(< /sys/firmware/ipl/ipl_type) == "ccw" ]]; then
-    allow_device "$(< /sys/firmware/ipl/device)"
-fi
-
-for dasd_arg in $(getargs root=) $(getargs resume=); do
-    [[ $dasd_arg =~ /dev/disk/by-path/ccw-* ]] || continue
-
-    ccw_dev="${dasd_arg##*/ccw-}"
-    allow_device "${ccw_dev%%-*}"
-done
-
-for dasd_arg in $(getargs rd.dasd=); do
-    IFS=',' read -r -a devs <<< "$dasd_arg"
-    declare -p devs
-    for dev in "${devs[@]}"; do
-        case "$dev" in
-            autodetect | probeonly) ;;
-
-            *-*)
-                IFS="-" read -r start end _ <<< "${dev%(ro)}"
-                prefix=${start%.*}
-                start=${start##*.}
-                for rdev in $(seq $((16#$start)) $((16#$end))); do
-                    allow_device "$(printf "%s.%04x" "$prefix" "$rdev")"
-                done
-                ;;
-            *)
-                IFS="." read -r sid ssid chan _ <<< "${dev%(ro)}"
-                allow_device "$(printf "%01x.%01x.%04x" $((16#$sid)) $((16#$ssid)) $((16#$chan)))"
-                ;;
-        esac
-    done
-done
diff --git a/modules.d/95qeth_rules/module-setup.sh b/modules.d/95qeth_rules/module-setup.sh
deleted file mode 100755
index a84ac1514d..0000000000
--- a/modules.d/95qeth_rules/module-setup.sh
+++ /dev/null
@@ -1,58 +0,0 @@
-#!/bin/bash
-
-# called by dracut
-check() {
-    local _arch=${DRACUT_ARCH:-$(uname -m)}
-    local _online=0
-    [ "$_arch" = "s390" -o "$_arch" = "s390x" ] || return 1
-    dracut_module_included network || return 1
-
-    [[ $hostonly ]] && {
-        for i in /sys/devices/qeth/*/online; do
-            [ ! -f "$i" ] && continue
-            read -r _online < "$i"
-            [ "$_online" -eq 1 ] && return 0
-        done
-    }
-    return 255
-}
-
-# called by dracut
-installkernel() {
-    instmods qeth
-}
-
-# called by dracut
-install() {
-    ccwid() {
-        qeth_path=$(readlink -e -q "$1"/device)
-        basename "$qeth_path"
-    }
-
-    inst_rules_qeth() {
-        for rule in /etc/udev/rules.d/{4,5}1-qeth-${1}.rules; do
-            # prefer chzdev generated 41- rules
-            if [ -f "$rule" ]; then
-                inst_rules "$rule"
-                break
-            fi
-        done
-    }
-
-    has_carrier() {
-        carrier=0
-        # not readable in qeth interfaces
-        # that have just been assembled, ignore
-        # read error and assume no carrier
-        read -r carrier 2> /dev/null < "$1/carrier"
-        [ "$carrier" -eq 1 ] && return 0
-        return 1
-    }
-
-    for dev in /sys/class/net/*; do
-        has_carrier "$dev" || continue
-        id=$(ccwid "$dev")
-        [ -n "$id" ] && inst_rules_qeth "$id"
-    done
-
-}
diff --git a/modules.d/95zfcp/module-setup.sh b/modules.d/95zfcp/module-setup.sh
index e1f3aa35a0..b547f9bc14 100755
--- a/modules.d/95zfcp/module-setup.sh
+++ b/modules.d/95zfcp/module-setup.sh
@@ -5,7 +5,7 @@ check() {
     arch=${DRACUT_ARCH:-$(uname -m)}
     [ "$arch" = "s390" -o "$arch" = "s390x" ] || return 1
 
-    require_binaries zfcp_cio_free grep sed seq || return 1
+    require_binaries zfcp_cio_free sed || return 1
 
     return 0
 }
@@ -23,7 +23,7 @@ installkernel() {
 # called by dracut
 install() {
     inst_hook cmdline 30 "$moddir/parse-zfcp.sh"
-    inst_multiple zfcp_cio_free grep sed seq
+    inst_multiple zfcp_cio_free sed
 
     inst_script /sbin/zfcpconf.sh
     inst_rules 56-zfcp.rules
diff --git a/modules.d/95zfcp/parse-zfcp.sh b/modules.d/95zfcp/parse-zfcp.sh
index 495aa67fd0..41216dd960 100755
--- a/modules.d/95zfcp/parse-zfcp.sh
+++ b/modules.d/95zfcp/parse-zfcp.sh
@@ -2,15 +2,4 @@
 
 getargbool 1 rd.zfcp.conf -d -n rd_NO_ZFCPCONF || rm /etc/zfcp.conf
 
-for zfcp_arg in $(getargs rd.zfcp -d 'rd_ZFCP='); do
-    echo "$zfcp_arg" | grep '^0\.[0-9a-fA-F]\.[0-9a-fA-F]\{4\}\(,0x[0-9a-fA-F]\{16\},0x[0-9a-fA-F]\{16\}\)\?$' > /dev/null
-    test $? -ne 0 && die "For argument 'rd.zfcp=$zfcp_arg'\nSorry, invalid format."
-    (
-        IFS=","
-        # shellcheck disable=SC2086
-        set $zfcp_arg
-        echo "$@" >> /etc/zfcp.conf
-    )
-done
-
 zfcp_cio_free
diff --git a/modules.d/95zfcp_rules/module-setup.sh b/modules.d/95zfcp_rules/module-setup.sh
deleted file mode 100755
index dfa795146d..0000000000
--- a/modules.d/95zfcp_rules/module-setup.sh
+++ /dev/null
@@ -1,80 +0,0 @@
-#!/bin/bash
-
-# called by dracut
-cmdline() {
-    is_zfcp() {
-        local _dev=$1
-        local _devpath
-        _devpath=$(
-            cd -P /sys/dev/block/"$_dev" || exit
-            echo "$PWD"
-        )
-        local _sdev _scsiid _hostno _lun _wwpn _ccw _port_type
-        local _allow_lun_scan _is_npiv
-
-        read -r _allow_lun_scan < /sys/module/zfcp/parameters/allow_lun_scan
-        [ "${_devpath#*/sd}" == "$_devpath" ] && return 1
-        _sdev="${_devpath%%/block/*}"
-        [ -e "${_sdev}"/fcp_lun ] || return 1
-        _scsiid="${_sdev##*/}"
-        _hostno="${_scsiid%%:*}"
-        [ -d /sys/class/fc_host/host"${_hostno}" ] || return 1
-        read -r _port_type < /sys/class/fc_host/host"${_hostno}"/port_type
-        case "$_port_type" in
-            NPIV*)
-                _is_npiv=1
-                ;;
-        esac
-        read -r _ccw < "${_sdev}"/hba_id
-        if [ "$_is_npiv" ] && [ "$_allow_lun_scan" = "Y" ]; then
-            echo "rd.zfcp=${_ccw}"
-        else
-            read -r _lun < "${_sdev}"/fcp_lun
-            read -r _wwpn < "${_sdev}"/wwpn
-            echo "rd.zfcp=${_ccw},${_wwpn},${_lun}"
-        fi
-        return 0
-    }
-    [[ $hostonly ]] || [[ $mount_needs ]] && {
-        for_each_host_dev_and_slaves_all is_zfcp
-    } | sort | uniq
-}
-
-# called by dracut
-check() {
-    local _arch=${DRACUT_ARCH:-$(uname -m)}
-    local _ccw
-    [ "$_arch" = "s390" -o "$_arch" = "s390x" ] || return 1
-
-    [[ $hostonly ]] || [[ $mount_needs ]] && {
-        found=0
-        for _ccw in /sys/bus/ccw/devices/*/host*; do
-            [ -d "$_ccw" ] || continue
-            found=$((found + 1))
-        done
-        [ $found -eq 0 ] && return 255
-    }
-    return 0
-}
-
-# called by dracut
-depends() {
-    echo bash
-    return 0
-}
-
-# called by dracut
-install() {
-    inst_hook cmdline 30 "$moddir/parse-zfcp.sh"
-    if [[ $hostonly_cmdline == "yes" ]]; then
-        local _zfcp
-
-        for _zfcp in $(cmdline); do
-            printf "%s\n" "$_zfcp" >> "${initdir}/etc/cmdline.d/94zfcp.conf"
-        done
-    fi
-    if [[ $hostonly ]]; then
-        inst_rules_wildcard "51-zfcp-*.rules"
-        inst_rules_wildcard "41-zfcp-*.rules"
-    fi
-}
diff --git a/modules.d/95zfcp_rules/parse-zfcp.sh b/modules.d/95zfcp_rules/parse-zfcp.sh
deleted file mode 100755
index a474b81b07..0000000000
--- a/modules.d/95zfcp_rules/parse-zfcp.sh
+++ /dev/null
@@ -1,74 +0,0 @@
-#!/bin/bash
-
-create_udev_rule() {
-    local ccw=$1
-    local wwpn=$2
-    local lun=$3
-    local _rule=/etc/udev/rules.d/51-zfcp-${ccw}.rules
-    local _cu_type _dev_type
-
-    if [ -x /sbin/cio_ignore ] && cio_ignore -i "$ccw" > /dev/null; then
-        cio_ignore -r "$ccw"
-    fi
-
-    if [ -e /sys/bus/ccw/devices/"${ccw}" ]; then
-        read -r _cu_type < /sys/bus/ccw/devices/"${ccw}"/cutype
-        read -r _dev_type < /sys/bus/ccw/devices/"${ccw}"/devtype
-    fi
-    if [ "$_cu_type" != "1731/03" ]; then
-        return 0
-    fi
-    if [ "$_dev_type" != "1732/03" ] && [ "$_dev_type" != "1732/04" ]; then
-        return 0
-    fi
-
-    [ -z "$wwpn" ] || [ -z "$lun" ] && return
-    m=$(sed -n "/.*${wwpn}.*${lun}.*/p" "$_rule")
-    if [ -z "$m" ]; then
-        cat >> "$_rule" << EOF
-ACTION=="add", KERNEL=="rport-*", ATTR{port_name}=="$wwpn", SUBSYSTEMS=="ccw", KERNELS=="$ccw", ATTR{[ccw/$ccw]$wwpn/unit_add}="$lun"
-EOF
-    fi
-}
-
-if [[ -f /sys/firmware/ipl/ipl_type ]] \
-    && [[ $(< /sys/firmware/ipl/ipl_type) == "fcp" ]]; then
-    (
-        read -r _wwpn < /sys/firmware/ipl/wwpn
-        read -r _lun < /sys/firmware/ipl/lun
-        read -r _ccw < /sys/firmware/ipl/device
-
-        create_udev_rule "$_ccw" "$_wwpn" "$_lun"
-    )
-fi
-
-for zfcp_arg in $(getargs rd.zfcp); do
-    (
-        OLDIFS="$IFS"
-        IFS=","
-        # shellcheck disable=SC2086
-        set $zfcp_arg
-        IFS="$OLDIFS"
-        create_udev_rule "$1" "$2" "$3"
-    )
-done
-
-for zfcp_arg in $(getargs root=) $(getargs resume=); do
-    (
-        case $zfcp_arg in
-            /dev/disk/by-path/ccw-*)
-                ccw_arg=${zfcp_arg##*/}
-                ;;
-        esac
-        if [ -n "$ccw_arg" ]; then
-            OLDIFS="$IFS"
-            IFS="-"
-            # shellcheck disable=SC2086
-            set -- $ccw_arg
-            IFS="$OLDIFS"
-            _wwpn=${4%:*}
-            _lun=${4#*:}
-            create_udev_rule "$2" "$wwpn" "$lun"
-        fi
-    )
-done
diff --git a/modules.d/95znet/module-setup.sh b/modules.d/95znet/module-setup.sh
index df37c66089..95164bba64 100755
--- a/modules.d/95znet/module-setup.sh
+++ b/modules.d/95znet/module-setup.sh
@@ -5,7 +5,7 @@ check() {
     arch=${DRACUT_ARCH:-$(uname -m)}
     [ "$arch" = "s390" -o "$arch" = "s390x" ] || return 1
 
-    require_binaries znet_cio_free grep sed seq readlink || return 1
+    require_binaries grep sed seq readlink chzdev || return 1
 
     return 0
 }
@@ -24,6 +24,37 @@ installkernel() {
 # called by dracut
 install() {
     inst_hook cmdline 30 "$moddir/parse-ccw.sh"
-    inst_rules 81-ccw.rules
-    inst_multiple znet_cio_free grep sed seq readlink /lib/udev/ccw_init
+    inst_multiple grep sed seq readlink chzdev
+    if [[ $hostonly ]]; then
+        local _tempfile
+        _tempfile=$(mktemp --tmpdir="${DRACUT_TMPDIR}" dracut-zdev.XXXXXX)
+        {
+            chzdev qeth --export - --configured --persistent --quiet --type
+            chzdev lcs --export - --configured --persistent --quiet --type
+            chzdev ctc --export - --configured --persistent --quiet --type
+        } 2> /dev/null > "$_tempfile"
+        ddebug < "$_tempfile"
+        chzdev --import "$_tempfile" --persistent --base "/etc=$initdir/etc" \
+            --yes --no-root-update --force 2>&1 | ddebug
+        lszdev --configured --persistent --info \
+            --base "/etc=$initdir/etc" 2>&1 | ddebug
+        rm -f "$_tempfile"
+        # these are purely generated udev rules so we have to glob expand
+        # within $initdir and strip the $initdir prefix for mark_hostonly
+        local -a _array
+        # shellcheck disable=SC2155
+        local _nullglob=$(shopt -p nullglob)
+        shopt -u nullglob
+        # shellcheck disable=SC2086
+        readarray -t _array < <(
+            ls -1 $initdir/etc/udev/rules.d/41-*.rules 2> /dev/null
+        )
+        [[ ${#_array[@]} -gt 0 ]] && mark_hostonly "${_array[@]#$initdir}"
+        # shellcheck disable=SC2086
+        readarray -t _array < <(
+            ls -1 $initdir/etc/modprobe.d/s390x-*.conf 2> /dev/null
+        )
+        [[ ${#_array[@]} -gt 0 ]] && mark_hostonly "${_array[@]#$initdir}"
+        $_nullglob
+    fi
 }
diff --git a/modules.d/95znet/parse-ccw.sh b/modules.d/95znet/parse-ccw.sh
index d89536059f..ccf05bc66e 100755
--- a/modules.d/95znet/parse-ccw.sh
+++ b/modules.d/95znet/parse-ccw.sh
@@ -1,7 +1,50 @@
 #!/bin/bash
 
+znet_base_args="--no-settle --yes --no-root-update --force"
+
+# at this point in time dracut's vinfo() only logs to journal which is hard for
+# s390 users to find and access on a line mode console such as 3215 mode
+# so use a vinfo alternative that still prints to the console via kmsg
+znet_vinfo() {
+    while read -r _znet_vinfo_line || [ -n "$_znet_vinfo_line" ]; do
+        # Prefix "<30>" represents facility LOG_DAEMON 3 and loglevel INFO 6:
+        # (facility << 3) | level.
+        echo "<30>dracut: $_znet_vinfo_line" > /dev/kmsg
+    done
+}
+
 for ccw_arg in $(getargs rd.ccw -d 'rd_CCW=') $(getargs rd.znet -d 'rd_ZNET='); do
-    echo "$ccw_arg" >> /etc/ccw.conf
+    (
+        SAVED_IFS="$IFS"
+        IFS=","
+        # shellcheck disable=SC2086
+        set -- $ccw_arg
+        IFS="$SAVED_IFS"
+        type="$1"
+        subchannel1="$2"
+        subchannel2="$3"
+        subchannel3="$4"
+        echo "rd.znet ${ccw_arg} :" | znet_vinfo
+        if [ "$#" -lt 3 ]; then
+            echo "rd.znet needs at least 3 list items: type,subchannel1,subchannel2" | znet_vinfo
+        fi
+        if [ "$1" = "qeth" ]; then
+            if [ "$#" -lt 4 ]; then
+                echo "rd.znet for type qeth needs at least 4 list items: qeth,subchannel1,subchannel2,subchannel3" | znet_vinfo
+            fi
+            subchannels="$subchannel1:$subchannel2:$subchannel3"
+            shift 4
+            # shellcheck disable=SC2086
+            chzdev --enable --persistent $znet_base_args \
+                "$type" "$subchannels" "$@" 2>&1 | znet_vinfo
+        else
+            subchannels="$subchannel1:$subchannel2"
+            shift 3
+            # shellcheck disable=SC2086
+            chzdev --enable --persistent $znet_base_args \
+                "$type" "$subchannels" "$@" 2>&1 | znet_vinfo
+        fi
+    )
 done
 
 for ifname in $(getargs rd.znet_ifname); do
@@ -10,16 +53,16 @@ for ifname in $(getargs rd.znet_ifname); do
         warn "Invalid arguments for rd.znet_ifname="
     else
         {
-            ifname_subchannels=${ifname_subchannels//,/|}
+            ifname_subchannels="${ifname_subchannels//,/|}"
+            # sanitize for use in udev label: replace non-word characters by _
+            ifname_if_label="${ifname_if//[^[:word:]]/_}"
 
-            echo 'ACTION!="add|change", GOTO="ccw_ifname_end"'
-            echo 'ATTR{type}!="1", GOTO="ccw_ifname_end"'
-            echo 'SUBSYSTEM!="net", GOTO="ccw_ifname_end"'
+            echo "ACTION!=\"add|change\", GOTO=\"ccw_ifname_${ifname_if_label}_end\""
+            echo "ATTR{type}!=\"1\", GOTO=\"ccw_ifname_${ifname_if_label}_end\""
+            echo "SUBSYSTEM!=\"net\", GOTO=\"ccw_ifname_${ifname_if_label}_end\""
             echo "SUBSYSTEMS==\"ccwgroup\", KERNELS==\"$ifname_subchannels\", DRIVERS==\"?*\" NAME=\"$ifname_if\""
-            echo 'LABEL="ccw_ifname_end"'
+            echo "LABEL=\"ccw_ifname_${ifname_if_label}_end\""
 
-        } > /etc/udev/rules.d/81-ccw-ifname.rules
+        } >> /etc/udev/rules.d/81-ccw-ifname.rules
     fi
 done
-
-znet_cio_free
diff --git a/suse/README.susemaint b/suse/README.susemaint
index 9b80a17454..5bcfd43464 100644
--- a/suse/README.susemaint
+++ b/suse/README.susemaint
@@ -355,4 +355,20 @@ were already merged
 a45048b8 fix(dracut): move hooks directory from /usr/lib to /var/lib
 424717af fix: /etc/modprobe.d --> /run/modprobe.d (partially reverted)
 4cc962aa fix(systemd-ask-password): no graphical output in aarch64
+6c55657e refactor(cms): use zdev to simplify handling CMSDASD=... boot option
+53a5d10b refactor(cms): use consolidated zfcp config with zdev from s390-tools
+168c0c66 refactor(cms): use consolidated dasd config with zdev from s390-tools
+0b6d6952 refactor(cms): use consolidated network config with zdev from s390-tools
+166e8a22 refactor(cms): remove now unnecessary inclusion of full s390utils-base
+b5a35f9d feat(zfcp_rules): remove zfcp handling consolidated in s390-tools
+7745a81a feat(zfcp): minimize zfcp handling consolidated in s390-tools
+72c945ca feat(dasd_rules): remove dasd handling consolidated in s390-tools
+2397c479 feat(dasd_mod): minimize dasd handling consolidated in s390-tools
+36e1f884 feat(dasd): minimize dasd handling consolidated in s390-tools
+658a21ac feat(znet): use zdev for consolidated device configuration
+8707a69b docs(dracut.cmdline): generalize description of rd.znet
+198a86c2 feat(qeth_rules): remove qeth handling consolidated in 95znet
+22f51730 fix(znet): append to udev rules so each rd.znet_ifname is effective
+2d8fa8be refactor(ifcfg): delete code duplication using iface_get_subchannels()
+457e66e6 feat(ifcfg): minimize s390-specific network configuration aspects
 
diff --git a/suse/dracut.spec b/suse/dracut.spec
index 81e474d125..8fb8a9b87e 100644
--- a/suse/dracut.spec
+++ b/suse/dracut.spec
@@ -146,11 +146,8 @@ rm -rf %{buildroot}%{dracutlibdir}/modules.d/81cio_ignore
 rm -rf %{buildroot}%{dracutlibdir}/modules.d/91zipl
 rm -rf %{buildroot}%{dracutlibdir}/modules.d/95dasd
 rm -rf %{buildroot}%{dracutlibdir}/modules.d/95dasd_mod
-rm -rf %{buildroot}%{dracutlibdir}/modules.d/95dasd_rules
 rm -rf %{buildroot}%{dracutlibdir}/modules.d/95dcssblk
-rm -rf %{buildroot}%{dracutlibdir}/modules.d/95qeth_rules
 rm -rf %{buildroot}%{dracutlibdir}/modules.d/95zfcp
-rm -rf %{buildroot}%{dracutlibdir}/modules.d/95zfcp_rules
 rm -rf %{buildroot}%{dracutlibdir}/modules.d/95znet
 %else
 rm -rf %{buildroot}%{dracutlibdir}/modules.d/00warpclock
@@ -433,7 +430,6 @@ rm -f /var/adm/fillup-templates/sysconfig.kernel-mkinitrd
 %{dracutlibdir}/modules.d/95cifs
 %ifarch s390 s390x
 %{dracutlibdir}/modules.d/95dasd_mod
-%{dracutlibdir}/modules.d/95dasd_rules
 %{dracutlibdir}/modules.d/95dcssblk
 %endif
 %{dracutlibdir}/modules.d/95debug
@@ -445,9 +441,6 @@ rm -f /var/adm/fillup-templates/sysconfig.kernel-mkinitrd
 %{dracutlibdir}/modules.d/95nbd
 %{dracutlibdir}/modules.d/95nfs
 %{dracutlibdir}/modules.d/95nvmf
-%ifarch s390 s390x
-%{dracutlibdir}/modules.d/95qeth_rules
-%endif
 %{dracutlibdir}/modules.d/95resume
 %{dracutlibdir}/modules.d/95rootfs-block
 %{dracutlibdir}/modules.d/95ssh-client
@@ -455,9 +448,6 @@ rm -f /var/adm/fillup-templates/sysconfig.kernel-mkinitrd
 %{dracutlibdir}/modules.d/95udev-rules
 %{dracutlibdir}/modules.d/95virtfs
 %{dracutlibdir}/modules.d/95virtiofs
-%ifarch s390 s390x
-%{dracutlibdir}/modules.d/95zfcp_rules
-%endif
 %{dracutlibdir}/modules.d/97biosdevname
 %ifarch %ix86
 %exclude %{dracutlibdir}/modules.d/96securityfs