From d6f0467edf3895143713eab579f48df2be140178 Mon Sep 17 00:00:00 2001

From: Hannes Reinecke <hare@suse.de>

Date: Fri, 29 Nov 2013 13:13:48 +0100

Subject: [PATCH] Add zfcp scripts for SUSE

SuSE is storing the zfcp configuration in udev files, so we should

be including these.

Signed-off-by: Hannes Reinecke <hare@suse.de>

---

 modules.d/95zfcp_rules/module-setup.sh | 25 +++++++++++++

 modules.d/95zfcp_rules/parse-zfcp.sh   | 65 ++++++++++++++++++++++++++++++++++

 2 files changed, 90 insertions(+)

 create mode 100755 modules.d/95zfcp_rules/module-setup.sh

 create mode 100755 modules.d/95zfcp_rules/parse-zfcp.sh

diff --git a/modules.d/95zfcp_rules/module-setup.sh b/modules.d/95zfcp_rules/module-setup.sh

new file mode 100755

index 0000000..9a1ab20

--- /dev/null

+++ b/modules.d/95zfcp_rules/module-setup.sh

@@ -0,0 +1,25 @@

+#!/bin/bash

+# -*- mode: shell-script; indent-tabs-mode: nil; sh-basic-offset: 4; -*-

+# ex: ts=8 sw=4 sts=4 et filetype=sh

+

+# called by dracut

+check() {

+    local _arch=$(uname -m)

+    [ -x /sbin/zfcp_disk_configure ] || return 1

+    [ "$_arch" = "s390" -o "$_arch" = "s390x" ] || return 1

+    return 0

+}

+

+# called by dracut

+depends() {

+    return 0

+}

+

+# called by dracut

+install() {

+    inst_multiple /usr/lib/udev/collect

+    inst_hook cmdline 30 "$moddir/parse-zfcp.sh"

+    if [[ $hostonly ]] ; then

+        inst_rules_wildcard 51-zfcp-*.rules

+    fi

+}

diff --git a/modules.d/95zfcp_rules/parse-zfcp.sh b/modules.d/95zfcp_rules/parse-zfcp.sh

new file mode 100755

index 0000000..24dbdd3

--- /dev/null

+++ b/modules.d/95zfcp_rules/parse-zfcp.sh

@@ -0,0 +1,65 @@

+#!/bin/sh

+# -*- mode: shell-script; indent-tabs-mode: nil; sh-basic-offset: 4; -*-

+# ex: ts=8 sw=4 sts=4 et filetype=sh

+

+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

+    local _rule=/etc/udev/rules.d/51-zfcp-${ccw}.rules

+

+    if [ -e /sys/bus/ccw/devices/${ccw} ] ; then

+        read _cu_type < /sys/bus/ccw/devices/${ccw}/cutype

+        read _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

+

+    [ -e ${_rule} ] && return 0

+

+    if [ ! -f "$_rule" ] ; then

+        cat > $_rule <

+ACTION=="add", SUBSYSTEM=="ccw", KERNEL=="$ccw", IMPORT{program}="collect $ccw %k ${ccw} zfcp"

+ACTION=="add", SUBSYSTEM=="drivers", KERNEL=="zfcp", IMPORT{program}="collect $ccw %k ${ccw} zfcp"

+ACTION=="add", ENV{COLLECT_$ccw}=="0", ATTR{[ccw/$ccw]online}="1"

+EOF

+    fi

+    m=$(sed -n "/.*${wwpn}.*${lun}.*/p" $_rule)

+    if [ -z "$m" ] ; then

+        cat >> $_rule <

+ACTION=="add", KERNEL=="rport-*", ATTR{port_name}=="$wwpn", SUBSYSTEMS=="ccw", KERNELS=="$ccw", ATTR{[ccw/$ccw]$wwpn/unit_add}="$lun"

+EOF

+    fi

+}

+

+for zfcp_arg in $(getargs rd.zfcp); do

+    (

+        IFS=","

+        set $zfcp_arg

+        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##*/}

+                break;

+        esac

+        if [ -n "$ccw_arg" ] ; then

+            IFS="-"

+            set -- $ccw_arg

+            wwpn=${4%:*}

+            lun=${4#*:}

+            create_udev_rule $2 $wwpn $lun

+        fi

+    )

+done