modules.d/95nvmf/parse-nvmf-boot-connections.sh

   1 #!/bin/sh
   2 #
   3 # Supported formats:
   4 # rd.nvmf.hostnqn=<hostnqn>
   5 # rd.nvmf.hostid=<hostid>
   6 # rd.nvmf.discover=<transport>,<traddr>,<host-traddr>,<trsvcid>
   7 #
   8 # Examples:
   9 # rd.nvmf.hostnqn=nqn.2014-08.org.nvmexpress:uuid:37303738-3034-584d-5137-333230423843
  10 # rd.nvmf.discover=rdma,192.168.1.3,,4420
  11 # rd.nvmf.discover=tcp,192.168.1.3,,4420
  12 # rd.nvmf.discover=tcp,192.168.1.3
  13 # rd.nvmf.discover=fc,nn-0x200400a098d85236:pn-0x201400a098d85236,nn-0x200000109b7db455:pn-0x100000109b7db455
  14 # rd.nvmf.discover=fc,auto
  15 #
  16 # Note: FC does autodiscovery, so typically there is no need to
  17 # specify any discover parameters for FC.
  18 #
  19
  20 type is_ip > /dev/null 2>&1 || . /lib/net-lib.sh
  21
  22 if getargbool 0 rd.nonvmf; then
  23     warn "rd.nonvmf=0: skipping nvmf"
  24     return 0
  25 fi
  26
  27 initqueue --onetime modprobe --all -b -q nvme_tcp nvme_core nvme_fabrics
  28
  29 parse_nvmf_discover() {
  30     traddr="none"
  31     trtype="none"
  32     hosttraddr="none"
  33     trsvcid=4420
  34     OLDIFS="$IFS"
  35     IFS=,
  36     # shellcheck disable=SC2086
  37     set -- $1
  38     IFS="$OLDIFS"
  39
  40     case $# in
  41         2)
  42             [ -n "$1" ] && trtype=$1
  43             [ -n "$2" ] && traddr=$2
  44             ;;
  45         3)
  46             [ -n "$1" ] && trtype=$1
  47             [ -n "$2" ] && traddr=$2
  48             [ -n "$3" ] && hosttraddr=$3
  49             ;;
  50         4)
  51             [ -n "$1" ] && trtype=$1
  52             [ -n "$2" ] && traddr=$2
  53             [ -n "$3" ] && hosttraddr=$3
  54             [ -n "$4" ] && trsvcid=$4
  55             ;;
  56         *)
  57             warn "Invalid arguments for rd.nvmf.discover=$1"
  58             return 0
  59             ;;
  60     esac
  61     if [ "$traddr" = "none" ]; then
  62         warn "traddr is mandatory for $trtype"
  63         return 0
  64     fi
  65     if [ "$trtype" = "tcp" ]; then
  66         : > /tmp/nvmf_needs_network
  67     elif [ "$trtype" = "fc" ]; then
  68         if [ "$traddr" = "auto" ]; then
  69             rm /etc/nvme/discovery.conf
  70             return 1
  71         fi
  72         if [ "$hosttraddr" = "none" ]; then
  73             warn "host traddr is mandatory for fc"
  74             return 0
  75         fi
  76     elif [ "$trtype" != "rdma" ]; then
  77         warn "unsupported transport $trtype"
  78         return 0
  79     fi
  80     if [ "$trtype" = "fc" ]; then
  81         echo "--transport=$trtype --traddr=$traddr --host-traddr=$hosttraddr" >> /etc/nvme/discovery.conf
  82     else
  83         echo "--transport=$trtype --traddr=$traddr --host-traddr=$hosttraddr --trsvcid=$trsvcid" >> /etc/nvme/discovery.conf
  84     fi
  85     return 0
  86 }
  87
  88 nvmf_hostnqn=$(getarg rd.nvmf.hostnqn -d nvmf.hostnqn=)
  89 if [ -n "$nvmf_hostnqn" ]; then
  90     echo "$nvmf_hostnqn" > /etc/nvme/hostnqn
  91 fi
  92 nvmf_hostid=$(getarg rd.nvmf.hostid -d nvmf.hostid=)
  93 if [ -n "$nvmf_hostid" ]; then
  94     echo "$nvmf_hostid" > /etc/nvme/hostid
  95 fi
  96
  97 NVMF_FC_AUTO=
  98 for d in $(getargs rd.nvmf.discover -d nvmf.discover=); do
  99     parse_nvmf_discover "$d" || {
 100         NVMF_FC_AUTO=1
 101         break
 102     }
 103 done
 104
 105 if [ -e /tmp/nvmf_needs_network ]; then
 106     echo "rd.neednet=1" > /etc/cmdline.d/nvmf-neednet.conf
 107     rm -f /tmp/nvmf_needs_network
 108 fi
 109
 110 # Host NQN and host id are mandatory for NVMe-oF
 111 if [ -f "/etc/nvme/hostnqn" ] && [ -f "/etc/nvme/hostid" ]; then
 112
 113     # If no nvme command line arguments present, try autodiscovery
 114     if [ $NVMF_FC_AUTO ] || [ ! -f "/etc/nvme/discovery.conf" ]; then
 115         /sbin/initqueue --settled --onetime --unique --name nvme-fc-autoconnect /sbin/nvmf-autoconnect.sh
 116     else
 117         /sbin/initqueue --settled --onetime --unique --name nvme-discover /usr/sbin/nvme connect-all
 118     fi
 119 fi