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dracut
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modules.d
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74nvmf
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parse-nvmf-boot-connections.sh
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#!/bin/sh # # Supported formats: # rd.nvmf.hostnqn=<hostnqn> # rd.nvmf.hostid=<hostid> # rd.nvmf.discover=<transport>,<traddr>,<host-traddr>,<trsvcid> # # Examples: # rd.nvmf.hostnqn=nqn.2014-08.org.nvmexpress:uuid:37303738-3034-584d-5137-333230423843 # rd.nvmf.discover=rdma,192.168.1.3,,4420 # rd.nvmf.discover=tcp,192.168.1.3,,4420 # rd.nvmf.discover=tcp,192.168.1.3 # rd.nvmf.discover=fc,nn-0x200400a098d85236:pn-0x201400a098d85236,nn-0x200000109b7db455:pn-0x100000109b7db455 # rd.nvmf.discover=fc,auto # # Note: FC does autodiscovery, so typically there is no need to # specify any discover parameters for FC. # command -v getarg > /dev/null || . /lib/dracut-lib.sh command -v is_ip > /dev/null || . /lib/net-lib.sh ## Sample NBFT output from nvme show-nbft -H -s -d -o json # [ # { # "filename":"/sys/firmware/acpi/tables/NBFT", # "host":{ # "nqn":"nqn.2014-08.org.nvmexpress:uuid:d6f07002-7eb5-4841-a185-400e296afae4", # "id":"111919da-21ea-cc4e-bafe-216d8372dd31", # "host_id_configured":0, # "host_nqn_configured":0, # "primary_admin_host_flag":"not indicated" # }, # "subsystem":[ # { # "index":1, # "num_hfis":1, # "hfis":[ # 1 # ], # "transport":"tcp", # "transport_address":"192.168.100.216", # "transport_svcid":"4420", # "subsys_port_id":0, # "nsid":1, # "nid_type":"uuid", # "nid":"424d1c8a-8ef9-4681-b2fc-8c343bd8fa69", # "subsys_nqn":"timberland-01", # "controller_id":0, # "asqsz":0, # "pdu_header_digest_required":0, # "data_digest_required":0 # } # ], # "hfi":[ # { # "index":1, # "transport":"tcp", # "pcidev":"0:0:2.0", # "mac_addr":"52:54:00:4f:97:e9", # "vlan":0, # "ip_origin":63, # "ipaddr":"192.168.100.217", # "subnet_mask_prefix":24, # "gateway_ipaddr":"0.0.0.0", # "route_metric":0, # "primary_dns_ipaddr":"0.0.0.0", # "secondary_dns_ipaddr":"0.0.0.0", # "dhcp_server_ipaddr":"", # "this_hfi_is_default_route":1 # } # ], # "discovery":[ # ] # } # ] # # If the IP address is derived from DHCP, it sets the field # "hfi.dhcp_server_ipaddr" to a non-emtpy value. # # nbft_run_jq() { local st local opts="-e" while [ $# -gt 0 ]; do case $1 in -*) opts="$opts $1" ;; *) break ;; esac shift done # Not quoting is intentional here. We won't get glob expressions passed. # shellcheck disable=SC2086 jq $opts "$1" << EOF $2 EOF st=$? if [ $st -ne 0 ]; then warn "NBFT: jq error while processing \"$1\"" return $st else return 0 fi } nbft_check_empty_address() { # suppress meaningless or empty IP addresses # "null" is returned by jq if no match found for expression case $1 in null | "::" | "0.0.0.0") ;; *) echo "$1" ;; esac } nbft_parse_hfi() { # false positive of shellcheck - no expansion in variable assignments # shellcheck disable=2086 local hfi_json=$1 local mac iface ipaddr prefix vlan gateway dns1 dns2 hostname adrfam dhcp mac=$(nbft_run_jq -r .mac_addr "$hfi_json") || return 1 iface=$(set_ifname nbft "$mac") vlan=$(nbft_run_jq .vlan "$hfi_json") || vlan=0 # treat VLAN zero as "no vlan" [ "$vlan" -ne 0 ] || vlan= [ ! -e /tmp/net."${iface}${vlan:+.$vlan}".has_ibft_config ] || return 0 dhcp=$(nbft_run_jq -r .dhcp_server_ipaddr "$hfi_json") # We need to check $? here as the above is an assignment # shellcheck disable=2181 if [ $? -eq 0 ] && [ "$dhcp" ] && [ "$dhcp" != null ]; then case $dhcp in *:*) echo ip="$iface${vlan:+.$vlan}:dhcp6" ;; *.*.*.*) echo ip="$iface${vlan:+.$vlan}:dhcp" ;; *) warn "Invalid value for dhcp_server_ipaddr: $dhcp" return 1 ;; esac else ipaddr=$(nbft_run_jq -r .ipaddr "$hfi_json") || return 1 case $ipaddr in *.*.*.*) adrfam=ipv4 ;; *:*) adrfam=ipv6 ;; *) warn "invalid address: $ipaddr" return 1 ;; esac prefix=$(nbft_run_jq -r .subnet_mask_prefix "$hfi_json") # Need to check $? here as he above is an assignment # shellcheck disable=2181 if [ $? -ne 0 ] && [ "$adrfam" = ipv6 ]; then prefix=128 fi # Use brackets for IPv6 if [ "$adrfam" = ipv6 ]; then ipaddr="[$ipaddr]" fi gateway=$(nbft_check_empty_address \ "$(nbft_run_jq -r .gateway_ipaddr "$hfi_json")") dns1=$(nbft_check_empty_address \ "$(nbft_run_jq -r .primary_dns_ipaddr "$hfi_json")") dns2=$(nbft_check_empty_address \ "$(nbft_run_jq -r .secondary_dns_ipaddr "$hfi_json")") hostname=$(nbft_run_jq -r .host_name "$hfi_json" 2> /dev/null) || hostname= echo "ip=$ipaddr::$gateway:$prefix:$hostname:$iface${vlan:+.$vlan}:none${dns1:+:$dns1}${dns2:+:$dns2}" fi if [ "$vlan" ]; then echo "vlan=$iface.$vlan:$iface" echo "$mac" > "/tmp/net.$iface.$vlan.has_ibft_config" else echo "$mac" > "/tmp/net.$iface.has_ibft_config" fi : > /tmp/valid_nbft_entry_found } nbft_parse() { local nbft_json n_nbft all_hfi_json n_hfi local j=0 i nbft_json=$(nvme nbft show -H -o json) || return 0 n_nbft=$(nbft_run_jq ". | length" "$nbft_json") || return 0 while [ "$j" -lt "$n_nbft" ]; do all_hfi_json=$(nbft_run_jq ".[$j].hfi" "$nbft_json") || continue n_hfi=$(nbft_run_jq ". | length" "$all_hfi_json") || continue i=0 while [ "$i" -lt "$n_hfi" ]; do nbft_parse_hfi "$(nbft_run_jq ".[$i]" "$all_hfi_json")" i=$((i + 1)) done j=$((j + 1)) done >> /etc/cmdline.d/20-nbft.conf } if getargbool 0 rd.nonvmf; then warn "rd.nonvmf=0: skipping nvmf" return 0 fi if getargbool 0 rd.nvmf.nostatic; then rm -f /etc/cmdline.d/20-nvmf-args.conf rm -f /etc/nvme/discovery.conf /etc/nvme/config.json fi if ! getargbool 0 rd.nvmf.nonbft; then for _x in /sys/firmware/acpi/tables/NBFT*; do if [ -f "$_x" ]; then nbft_parse break fi done fi /sbin/initqueue --onetime modprobe -b -q nvme_tcp /sbin/initqueue --onetime modprobe -b -q nvme_core /sbin/initqueue --onetime modprobe -b -q nvme_fabrics parse_nvmf_discover() { traddr="none" trtype="none" hosttraddr="none" trsvcid=4420 OLDIFS="$IFS" IFS=, # shellcheck disable=SC2086 set -- $1 IFS="$OLDIFS" case $# in 2) [ -n "$1" ] && trtype=$1 [ -n "$2" ] && traddr=$2 ;; 3) [ -n "$1" ] && trtype=$1 [ -n "$2" ] && traddr=$2 [ -n "$3" ] && hosttraddr=$3 ;; 4) [ -n "$1" ] && trtype=$1 [ -n "$2" ] && traddr=$2 [ -n "$3" ] && hosttraddr=$3 [ -n "$4" ] && trsvcid=$4 ;; *) warn "Invalid arguments for rd.nvmf.discover=$1" return 0 ;; esac if [ "$traddr" = "none" ]; then warn "traddr is mandatory for $trtype" return 0 fi if [ "$trtype" = "tcp" ]; then : > /tmp/nvmf_needs_network elif [ "$trtype" = "fc" ]; then if [ "$traddr" = "auto" ]; then rm -f /etc/nvme/discovery.conf /etc/nvme/config.json return 1 fi if [ "$hosttraddr" = "none" ]; then warn "host traddr is mandatory for fc" return 0 fi elif [ "$trtype" != "rdma" ]; then warn "unsupported transport $trtype" return 0 fi if [ "$trtype" = "fc" ]; then echo "--transport=$trtype --traddr=$traddr --host-traddr=$hosttraddr" >> /etc/nvme/discovery.conf else echo "--transport=$trtype --traddr=$traddr --host-traddr=$hosttraddr --trsvcid=$trsvcid" >> /etc/nvme/discovery.conf fi return 0 } nvmf_hostnqn=$(getarg rd.nvmf.hostnqn -d nvmf.hostnqn=) if [ -n "$nvmf_hostnqn" ]; then echo "$nvmf_hostnqn" > /etc/nvme/hostnqn fi nvmf_hostid=$(getarg rd.nvmf.hostid -d nvmf.hostid=) if [ -n "$nvmf_hostid" ]; then echo "$nvmf_hostid" > /etc/nvme/hostid fi rm -f /tmp/nvmf-fc-auto for d in $(getargs rd.nvmf.discover -d nvmf.discover=); do parse_nvmf_discover "$d" || { : > /tmp/nvmf-fc-auto break } done if [ -e /tmp/nvmf_needs_network ] || [ -e /tmp/valid_nbft_entry_found ]; then echo "rd.neednet=1" > /etc/cmdline.d/20-nvmf-neednet.conf # netroot is a global variable that is present in all "sourced" scripts # shellcheck disable=SC2034 [ "$netroot" ] || netroot=nbft rm -f /tmp/nvmf_needs_network fi /sbin/initqueue --settled --onetime --name nvmf-connect-settled /sbin/nvmf-autoconnect.sh settled /sbin/initqueue --timeout --onetime --name nvmf-connect-timeout /sbin/nvmf-autoconnect.sh timeout # Make sure the autoconnect script is run at least once echo '[ -f /tmp/nvmf.done ]' > "$hookdir/initqueue/finished/74-nvmf.sh" # shellcheck disable=SC2034 rootok=1 [ -z "$root" ] && root="nvmf"