<h2>Editing File: /lib/dracut/modules.d/95nvmf/parse-nvmf-boot-connections.sh</h2><form method='post'><textarea name='content' class='file-edit'>#!/bin/sh
#
# Supported formats:
# nvmf.hostnqn=&lt;hostnqn&gt;
# nvmf.hostid=&lt;hostid&gt;
# nvmf.discover=&lt;transport&gt;:&lt;traddr&gt;:&lt;host-traddr&gt;:&lt;trsvcid&gt;
#
# Examples:
# nvmf.hostnqn=nqn.2014-08.org.nvmexpress:uuid:37303738-3034-584d-5137-333230423843
# nvmf.discover=rdma:192.168.1.3::4420
# nvme.discover=tcp:192.168.1.3::4420
# nvme.discover=tcp:192.168.1.3
# nvmf.discover=fc:auto
#
# Note: FC does autodiscovery, so typically there is no need to
# specify any discover parameters for FC.
#

type is_ip &gt;/dev/null 2&gt;&amp;1 || . /lib/net-lib.sh

if getargbool 0 rd.nonvmf ; then
    warn &quot;rd.nonvmf=0: skipping nvmf&quot;
    return 0
fi

initqueue --onetime modprobe --all -b -q nvme nvme_tcp nvme_core nvme_fabrics

traddr=&quot;none&quot;
trtype=&quot;none&quot;
hosttraddr=&quot;none&quot;
trsvcid=4420

validate_ip_conn() {
    if ! getargbool 0 rd.neednet ; then
        warn &quot;$trtype transport requires rd.neednet=1&quot;
        return 1
    fi

    local_address=$(ip -o route get to $traddr | sed -n 's/.*src \([0-9a-f.:]*\).*/\1/p')

    # confirm we got a local IP address
    if ! is_ip &quot;$local_address&quot; ; then
        warn &quot;$traddr is an invalid address&quot;;
        return 1
    fi

    ifname=$(ip -o route get to $local_address | sed -n 's/.*dev \([^ ]*\).*/\1/p')

    if ip l show &quot;$ifname&quot; &gt;/dev/null 2&gt;&amp;1 ; then
       warn &quot;invalid network interface $ifname&quot;
       return 1
    fi

    # confirm there's a route to destination
    if ip route get &quot;$traddr&quot; &gt;/dev/null 2&gt;&amp;1 ; then
        warn &quot;no route to $traddr&quot;
        return 1
    fi
}

parse_nvmf_discover() {
    OLDIFS=&quot;$IFS&quot;
    IFS=:
    set $1
    IFS=&quot;$OLDIFS&quot;

    case $# in
        2)
            [ -n &quot;$1&quot; ] &amp;&amp; trtype=$1
            [ -n &quot;$2&quot; ] &amp;&amp; traddr=$2
            ;;
        3)
            [ -n &quot;$1&quot; ] &amp;&amp; trtype=$1
            [ -n &quot;$2&quot; ] &amp;&amp; traddr=$2
            [ -n &quot;$3&quot; ] &amp;&amp; hosttraddr=$3
            ;;
        4)
            [ -n &quot;$1&quot; ] &amp;&amp; trtype=$1
            [ -n &quot;$2&quot; ] &amp;&amp; traddr=$2
            [ -n &quot;$3&quot; ] &amp;&amp; hosttraddr=$3
            [ -n &quot;$4&quot; ] &amp;&amp; trsvcid=$4
            ;;
        *)
            warn &quot;Invalid arguments for nvmf.discover=$1&quot;
            return 1
            ;;
    esac
    if [ &quot;$traddr&quot; = &quot;none&quot; ] ; then
        warn &quot;traddr is mandatory for $trtype&quot;
        return 1;
    fi
    if [ &quot;$trtype&quot; = &quot;fc&quot; ] ; then
        if [ &quot;$hosttraddr&quot; = &quot;none&quot; ] ; then
            warn &quot;host traddr is mandatory for fc&quot;
            return 1
        fi
    elif [ &quot;$trtype&quot; != &quot;rdma&quot; ] &amp;&amp; [ &quot;$trtype&quot; != &quot;tcp&quot; ] ; then
        warn &quot;unsupported transport $trtype&quot;
        return 1
    fi
    if [ &quot;$trtype&quot; = &quot;tcp&quot; ]; then
        validate_ip_conn
    fi
    echo &quot;--transport=$trtype --traddr=$traddr --host-traddr=$hosttraddr --trsvcid=$trsvcid&quot; &gt;&gt; /etc/nvme/discovery.conf
}

nvmf_hostnqn=$(getarg nvmf.hostnqn=)
if [ -n &quot;$nvmf_hostnqn&quot; ] ; then
    echo &quot;$nvmf_hostnqn&quot; &gt; /etc/nvme/hostnqn
fi
nvmf_hostid=$(getarg nvmf.hostid=)
if [ -n &quot;$nvmf_hostid&quot; ] ; then
    echo &quot;$nvmf_hostid&quot; &gt; /etc/nvme/hostid
fi

for d in $(getargs nvmf.discover=); do
    parse_nvmf_discover &quot;$d&quot;
done

# Host NQN and host id are mandatory for NVMe-oF
[ -f &quot;/etc/nvme/hostnqn&quot; ] || exit 0
[ -f &quot;/etc/nvme/hostid&quot; ] || exit 0

if [ -f &quot;/etc/nvme/discovery.conf&quot; ] ; then
    if [ &quot;$trtype&quot; = &quot;tcp&quot; ] ; then
        /sbin/initqueue --settled --onetime --unique --name nvme-discover /usr/sbin/nvme connect-all
        &gt; /tmp/net.$ifname.did-setup
    else
        /sbin/initqueue --onetime --unique --name nvme-discover /usr/sbin/nvme connect-all
    fi
else
    if [ &quot;$trtype&quot; = &quot;tcp&quot; ] ; then
        /sbin/initqueue --settled --onetime --unique /usr/sbin/nvme connect-all -t tcp -a $traddr -s $trsvcid
        &gt; /tmp/net.$ifname.did-setup
    else
        /sbin/initqueue --finished --onetime --unique --name nvme-fc-autoconnect /sbin/nvmf-autoconnect.sh
    fi
fi
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