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bfcfg
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#!/bin/bash
# Copyright (c) 2020, Mellanox Technologies
# All rights reserved.
#
# Redistribution and use in source and binary forms, with or without
# modification, are permitted provided that the following conditions are met:
#
# 1. Redistributions of source code must retain the above copyright notice, this
# list of conditions and the following disclaimer.
# 2. Redistributions in binary form must reproduce the above copyright notice,
# this list of conditions and the following disclaimer in the documentation
# and/or other materials provided with the distribution.
#
# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
# ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
# WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
# DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR
# ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
# (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
# LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
# ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
# SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
#
# The views and conclusions contained in the software and documentation are those
# of the authors and should not be interpreted as representing official policies,
# either expressed or implied, of the FreeBSD Project.
# shellcheck disable=SC2059
true
${BFDBG}
TMP_DIR=$(mktemp -d)
trap "rm -rf $TMP_DIR" EXIT
trap "rm -rf $TMP_DIR; exit 1" TERM INT
bfcfg_version=4.3
bfcfg_rc=0
cfg_file=/etc/bf.cfg
log_file=/tmp/bfcfg.log
# Config dump levels (the higher the number the more information is dumped).
# dump_level defaults to an empty string and is set based on bfcfg input arguments.
DUMP_LEVEL_NONE=0
DUMP_LEVEL_DEFAULT=1
DUMP_LEVEL_EXTRA=2
DUMP_LEVEL_MAX=${DUMP_LEVEL_EXTRA}
dump_level=
mlxmkcap=/lib/firmware/mellanox/boot/capsule/scripts/mlx-mkcap
bfcf_acpi_table=/sys/firmware/acpi/tables/BFCF
efivars=/sys/firmware/efi/efivars
sys_cfg_sysfs=${efivars}/BfSysCfg-9c759c02-e5a3-45e4-acfc-c34a500628a6
redfish_cfg_sysfs=${efivars}/BfRedfish-ce3e5882-6770-4d5e-aa45-90f909da2446
redfish_state_cfg_sysfs=${efivars}/BfRedfishState-ce3e5882-6770-4d5e-aa45-90f909da2446
sb_state_sysfs=${efivars}/SecureBoot-8be4df61-93ca-11d2-aa0d-00e098032b8c
sb_setup_mode_sysfs=${efivars}/SetupMode-8be4df61-93ca-11d2-aa0d-00e098032b8c
efi_global_var_guid=8be4df61-93ca-11d2-aa0d-00e098032b8c
efi_bfcfg_var_guid=487ff588-fb71-4b19-9100-ebe067aa1af0
efi_vlan_var_guid=9e23d768-d2f3-4366-9fc3-3a7aba864374
rshim_efi_mac_sysfs=${efivars}/RshimMacAddr-${efi_global_var_guid}
pxe_dhcp_class_id_sysfs=${efivars}/DhcpClassId-${efi_global_var_guid}
bf_bundle_version_sysfs=${efivars}/BfBundleVer-${efi_bfcfg_var_guid}
sb_custom_mode_sysfs=${efivars}/BfCfgSbCustomMode-${efi_bfcfg_var_guid}
pass_settings_sysfs=${efivars}/BfCfgPassSettings-${efi_bfcfg_var_guid}
bf_modes_sysfs=${efivars}/BfCfgBfModes-${efi_bfcfg_var_guid}
boot_wdog_sysfs=${efivars}/BfBootWdog-120b4e59-904a-4fe2-9e03-54e9a29ffb22
mfg_sysfs_dir=/sys/bus/platform/devices/MLNXBF04:00/driver
if [ ! -e $mfg_sysfs_dir/oob_mac ]; then
mfg_sysfs_dir=/sys/bus/platform/devices/MLNXBF04:00
fi
oob_mac_sysfs=${mfg_sysfs_dir}/oob_mac
large_icm_sysfs=${mfg_sysfs_dir}/large_icm
ECHO=${ECHO:-echo}
log_msg()
{
echo "$@" >> ${log_file}
}
mfg_lock()
{
log_msg "mfg: lock the partition"
echo 1 > ${mfg_sysfs_dir}/mfg_lock 2>>${log_file}
}
delete_efi_var()
{
local in_efivarfs=$1
[ ${dump_level} -gt ${DUMP_LEVEL_NONE} ] && return
if [ -e "${in_efivarfs}" ]; then
log_msg "mfg: delete ${in_efivarfs}"
chattr -i ${in_efivarfs}
rm -f ${in_efivarfs}
fi
}
mfg_reset_deps()
{
# Cleanup configuration dependencies if needed
if [ ${has_sys_cfg} -eq 0 ]; then
# Delete SYS Config data
delete_efi_var "${sys_cfg_sysfs}"
fi
if [ ${has_redfish_cfg} -eq 0 ]; then
# Delete RDF Config
delete_efi_var "${redfish_cfg_sysfs}"
fi
}
mfg_sysfs_cfg()
{
local tmp_file=${TMP_DIR}/.bfcfg-mfg-data
local opn_sysfs=${mfg_sysfs_dir}/opn
local sku_sysfs=${mfg_sysfs_dir}/sku
local modl_sysfs=${mfg_sysfs_dir}/modl
local sn_sysfs=${mfg_sysfs_dir}/sn
local uuid_sysfs=${mfg_sysfs_dir}/uuid
local rev_sysfs=${mfg_sysfs_dir}/rev
local oob_efi_mac_sysfs=${efivars}/OobMacAddr-${efi_global_var_guid}
local mac_err opn_err mac
[ ${dump_level} -gt ${DUMP_LEVEL_NONE} ] && return
if [ -z "${MFG_OOB_MAC}" ] || [ -z "${MFG_OPN}" ] || [ -z "${MFG_SKU}" ] ||
[ -z "${MFG_MODL}" ] || [ -z "${MFG_SN}" ] || [ -z "${MFG_UUID}" ] ||
[ -z "${MFG_REV}" ] ; then
log_msg "mfg: skip mfg since one or more of the following are unspecified:"
log_msg "MFG_OOB_MAC, MFG_OPN, MFG_SKU, MFG_MODL, MFG_SN, MFG_UUID, MFG_REV"
return
fi
if [ -n "${MFG_OOB_MAC}" ] && [ -e "${oob_mac_sysfs}" ]; then
log_msg "mfg: OOB_MAC=${MFG_OOB_MAC}"
echo "${MFG_OOB_MAC}" > ${oob_mac_sysfs} 2>>${log_file}
mac_err=$?
if [ ${mac_err} -eq 0 ]; then
log_msg "mfg: oob_mac written"
# Update the MAC address in UEFI variable.
# Somehow 'printf' into the sysfs file doesn't always work, probably
# due to length check of each write. A temporary file is used here
# to workaround such issue.
mac="${MFG_OOB_MAC//:/\\x}"
mac="\\x07\\x00\\x00\\x00\\x${mac}"
printf "${mac}" > ${tmp_file}
chattr -i ${oob_efi_mac_sysfs} 2>/dev/null
cp ${tmp_file} ${oob_efi_mac_sysfs}
rm -f ${tmp_file}
else
log_msg "mfg: mac_err=${mac_err}"
return
fi
fi
if [ -n "${MFG_OPN}" ] && [ -e "${opn_sysfs}" ]; then
log_msg "mfg: OPN=${MFG_OPN}"
echo "${MFG_OPN}" > ${opn_sysfs} 2>>${log_file}
opn_err=$?
if [ ${opn_err} -eq 0 ]; then
log_msg "mfg: opn written"
else
log_msg "mfg: opn_err=${opn_err}"
return
fi
fi
if [ -n "${MFG_SKU}" ] && [ -e "${sku_sysfs}" ]; then
log_msg "mfg: SKU=${MFG_SKU}"
echo "${MFG_SKU}" > ${sku_sysfs} 2>>${log_file}
sku_err=$?
if [ ${sku_err} -eq 0 ]; then
log_msg "mfg: sku written"
else
log_msg "mfg: sku_err=${sku_err}"
return
fi
fi
if [ -n "${MFG_MODL}" ] && [ -e "${modl_sysfs}" ]; then
log_msg "mfg: MODL=${MFG_MODL}"
echo "${MFG_MODL}" > ${modl_sysfs} 2>>${log_file}
modl_err=$?
if [ ${modl_err} -eq 0 ]; then
log_msg "mfg: modl written"
else
log_msg "mfg: modl_err=${modl_err}"
return
fi
fi
if [ -n "${MFG_SN}" ] && [ -e "${sn_sysfs}" ]; then
log_msg "mfg: SN=${MFG_SN}"
echo "${MFG_SN}" > ${sn_sysfs} 2>>${log_file}
sn_err=$?
if [ ${sn_err} -eq 0 ]; then
log_msg "mfg: sn written"
else
log_msg "mfg: sn_err=${sn_err}"
return
fi
fi
if [ -n "${MFG_UUID}" ] && [ -e "${uuid_sysfs}" ]; then
log_msg "mfg: UUID=${MFG_UUID}"
echo "${MFG_UUID}" > ${uuid_sysfs} 2>>${log_file}
uuid_err=$?
if [ ${uuid_err} -eq 0 ]; then
log_msg "mfg: uuid written"
else
log_msg "mfg: uuid_err=${uuid_err}"
return
fi
fi
if [ -n "${MFG_REV}" ] && [ -e "${rev_sysfs}" ]; then
log_msg "mfg: REV=${MFG_REV}"
echo "${MFG_REV}" > ${rev_sysfs} 2>>${log_file}
rev_err=$?
if [ ${rev_err} -eq 0 ]; then
log_msg "mfg: rev written"
else
log_msg "mfg: rev_err=${rev_err}"
return
fi
fi
mfg_lock
mfg_sysfs_cfg_done=1
mfg_reset_deps
}
mfg_cfg_set_bytes()
{
local out_file=$1
local name=$2
local offset=$3
local size=$4
local value=$5
[ ${dump_level} -gt ${DUMP_LEVEL_NONE} ] && return
if [ -n "${value}" ] && [ -f "${out_file}" ]; then
# Most of the fields are of type strings, thus check the number
# of characters per string. Only exception for the OOB MAC.
# The OOB MAC is stored in hex format; e.g., \xAA\xBB\xCC\xDD\xEE\xFF,
# total of 24 charcters
if [ ${#value} -gt ${size} ] && [ "${name}" != "MFG_OOB_MAC" ]; then
log_msg "mfg: ${name} exceeding max length ${size}"
return
elif [ ${#value} -gt 24 ] && [ "${name}" == "MFG_OOB_MAC" ]; then
log_msg "mfg: MFG_OOB_MAC exceeding max length 6 bytes"
return
else
printf "${value}" | dd of="${out_file}" seek="${offset}" bs=1 count=${size} conv=notrunc 2> /dev/null
err=$?
if [ ${err} -eq 0 ]; then
log_msg "mfg: ${name} written, value=${value}"
else
log_msg "mfg: modl_err=${err}"
return
fi
has_cfg=1
fi
fi
}
copy_efi_var_data()
{
local out_file=$1
local in_efivarfs=$2
local offset=$3
local size=$4
[ ${dump_level} -gt ${DUMP_LEVEL_NONE} ] && return
if [ -e "${in_efivarfs}" ] && [ -f "${out_file}" ]; then
chattr -i ${in_efivarfs}
# Copy the EFI variable data, skip variable header (4 bytes)
dd if="${in_efivarfs}" of="${out_file}" seek="${offset}" skip=4 bs=1 count=${size} conv=notrunc 2> /dev/null
err=$?
if [ ${err} -eq 0 ]; then
log_msg "mfg: ${in_efivarfs} data written to ${out_file}"
else
log_msg "mfg: failed to write ${in_efivarfs} data to ${out_file}"
log_msg "mfg: modl_err=${err}"
return
fi
fi
}
mfg_cfg_set_bf_modes()
{
local out_file=$1
local name=$2
local offset=$3
local size=$4
local value=$5
local bin_value
[ ${dump_level} -gt ${DUMP_LEVEL_NONE} ] && return
if [ -z "${value}" ] || [ ! -f "${out_file}" ]; then
return
fi
#
# This must be consistent with the UEFI PMI library
# implementation.
#
if [ "${name}" == "MFG_PLAT_MODE" ]; then
if [ "${value^^}" == "DPU" ]; then
bin_value='\x01'
elif [ "${value^^}" == "NIC" ]; then
bin_value='\x02'
else
log_msg "mfg: ${name}, unsupported value ${value}"
return
fi
printf "${bin_value}" | dd of="${out_file}" seek="${offset}" bs=1 count=${size} conv=notrunc 2> /dev/null
err=$?
if [ ${err} -eq 0 ]; then
log_msg "mfg: ${name}=${value}"
else
log_msg "mfg: modl_err=${err}"
return
fi
has_cfg=1
else
log_msg "mfg: ${name} is not supported"
return
fi
}
mfg_cfg_to_bin()
{
local bin_file=$1
[ -f "${bin_file}" ] && rm -f ${bin_file}
# Create empty MFG blob; it contains MFG data and MFG extended data
# and occupies 16 pages of 256 bytes within the EEPROM
#
# Layout:
# MFG Data (off: 0, len: 256 bytes)
# MFG Extension (off: 256, len:2048 bytes)
# SYS Config (off:2304, len: 64 bytes)
# RDF Config (off:2368, len: 32 bytes)
# BF Modes (off:2400, len: 4 bytes)
# Reserved (off:2404, len:1692 bytes)
#
dd if=/dev/zero of=${bin_file} count=16 bs=256
has_cfg=0
[ ! -f "${bin_file}" ] && return
if [ -z "${MFG_OOB_MAC}" ] || [ -z "${MFG_OPN}" ] || [ -z "${MFG_SKU}" ] ||
[ -z "${MFG_MODL}" ] || [ -z "${MFG_SN}" ] || [ -z "${MFG_UUID}" ] ||
[ -z "${MFG_REV}" ] ; then
log_msg "mfg: bin: skip mfg since one or more of the following are unspecified:"
log_msg "MFG_OOB_MAC, MFG_OPN, MFG_SKU, MFG_MODL, MFG_SN, MFG_UUID, MFG_REV"
elif [ ${mfg_sysfs_cfg_done} -eq 0 ]; then
#
# MFG Layout (1x 256B)
#
# OOB_MAC (off: 0, len: 8 bytes)
# OPN (off: 8, len:24 bytes)
# SKU (off: 32, len:24 bytes)
# MODL (off: 56, len:24 bytes)
# SN (off: 80, len:24 bytes)
# UUID (off:104, len:40 bytes)
# REV (off:144, len: 8 bytes)
mfg_cfg_set_bytes ${bin_file} "MFG_OOB_MAC" 0 8 "\\x${MFG_OOB_MAC//:/\\x}"
mfg_cfg_set_bytes ${bin_file} "MFG_OPN" 8 24 "${MFG_OPN}"
mfg_cfg_set_bytes ${bin_file} "MFG_SKU" 32 24 "${MFG_SKU}"
mfg_cfg_set_bytes ${bin_file} "MFG_MODL" 56 24 "${MFG_MODL}"
mfg_cfg_set_bytes ${bin_file} "MFG_SN" 80 24 "${MFG_SN}"
mfg_cfg_set_bytes ${bin_file} "MFG_UUID" 104 80 "${MFG_UUID}"
mfg_cfg_set_bytes ${bin_file} "MFG_REV" 144 8 "${MFG_REV}"
# Append MFG configuration dependenices, if needed.
if [ ${has_cfg} -eq 1 ]; then
if [ ${has_sys_cfg} -eq 1 ]; then
# Copy SYS Config data
copy_efi_var_data ${bin_file} "${sys_cfg_sysfs}" 2304 64
fi
if [ ${has_redfish_cfg} -eq 1 ]; then
# Copy RDF Config
copy_efi_var_data ${bin_file} "${redfish_cfg_sysfs}" 2368 32
fi
fi
elif [ ${mfg_sysfs_cfg_done} -eq 1 ]; then
log_msg "mfg: bin: skip mfg since configured via sysfs"
fi
if [ -z "${MFG_SYS_MFR}" ] && [ -z "${MFG_SYS_PDN}" ] && [ -z "${MFG_SYS_VER}" ] &&
[ -z "${MFG_BSB_MFR}" ] && [ -z "${MFG_BSB_PDN}" ] && [ -z "${MFG_BSB_VER}" ] &&
[ -z "${MFG_BSB_SN}" ] ; then
log_msg "mfg: bin: skip mfg extension since none of the following are specified:"
log_msg "MFG_SYS_MFR, MFG_SYS_PDN, MFG_SYS_VER, MFG_BSB_MFR, MFG_BSB_PDN, MFG_BSB_VER, MFG_BSB_SN"
else
#
# MFG Extension Layout (8x 256B)
#
# SYS_MFR (off: 0 + 256, len:24 bytes)
# SYS_PDN (off: 24 + 256, len:24 bytes)
# SYS_VER (off: 48 + 256, len:512 bytes)
# BSB_MFR (off:560 + 256, len:24 bytes)
# BSB_PDN (off:584 + 256, len:24 bytes)
# BSB_VER (off:608 + 256, len:24 bytes)
# BSB_SN (off:632 + 256, len:24 bytes)
mfg_cfg_set_bytes ${bin_file} "MFG_SYS_MFR" 256 24 "${MFG_SYS_MFR}"
mfg_cfg_set_bytes ${bin_file} "MFG_SYS_PDN" 280 24 "${MFG_SYS_PDN}"
mfg_cfg_set_bytes ${bin_file} "MFG_SYS_VER" 304 512 "${MFG_SYS_VER}"
mfg_cfg_set_bytes ${bin_file} "MFG_BSB_MFR" 816 24 "${MFG_BSB_MFR}"
mfg_cfg_set_bytes ${bin_file} "MFG_BSB_PDN" 840 24 "${MFG_BSB_PDN}"
mfg_cfg_set_bytes ${bin_file} "MFG_BSB_VER" 864 24 "${MFG_BSB_VER}"
mfg_cfg_set_bytes ${bin_file} "MFG_BSB_SN" 888 24 "${MFG_BSB_SN}"
fi
if [ -n "${MFG_PLAT_MODE}" ]; then
#
# BF Modes (4 Bytes)
#
# SYS_IN_CPU_MODEL (off: 2400, len:1 byte)
# MFG_HOST_PRIV_MODE (off: 2401, len:1 byte)
# MFG_PLAT_MODE (off: 2402, len:1 byte)
#
# For now, support platform mode only. If needed enhance it
# to support 'Internal CPU Model' and 'Host Privilege Level'.
mfg_cfg_set_bf_modes ${bin_file} "MFG_PLAT_MODE" 2402 1 "${MFG_PLAT_MODE}"
fi
if [ ${has_cfg} -eq 0 ]; then
log_msg "mfg: bin: configuration unspecified or incomplete. Skip binary generation."
rm -f ${bin_file}
return
else
log_msg "mfg: bin: configuration written to ${bin_file}"
fi
}
mfg_cfg_bin_to_cap()
{
local bin_file=$1
local cap_file=$2
mfg_cfg_to_bin ${bin_file}
has_bin=0
[ -f "${bin_file}" ] && has_bin=1
if [ ${has_bin} -eq 0 ]; then
log_msg "mfg: capsule: configuration blob not found. Skip capsule generation"
return
fi
if command -v python >/dev/null ; then
${mlxmkcap} --cfg-data ${bin_file} ${cap_file}
if [ $? -eq 0 ]; then
log_msg "mfg: capsule: file created at ${cap_file}"
else
log_msg "mfg: capsule: failed to create capsule file"
return
fi
else
# BFB might be missing commands and modules needed to generate
# the EFI capsule, thus push the bin file content to the payload
# of the pregenerated capsule file.
dummy_cap=/lib/firmware/mellanox/boot/capsule/.efi_bfcfg.cap
bin_size=$(stat -c%s ${bin_file})
if [ ! -f "${dummy_cap}" ]; then
log_msg "mfg: capsule: missing artifacts. Skip capsule generation"
return
fi
cp -f ${dummy_cap} ${cap_file}
# Skip the EFI capsule header; the header remains unchanged.
# Re-write the payload starting from offset A8 (168).
dd if="${bin_file}" of="${cap_file}" seek=168 bs=1 count=${bin_size} conv=notrunc 2> /dev/null
if [ $? -eq 0 ]; then
log_msg "mfg: capsule: payload updated"
log_msg "mfg: capsule: file created at ${cap_file}"
else
log_msg "mfg: capsule: failed to update capsule payload"
rm -f ${cap_file}
return
fi
fi
}
mfg_cap_cfg()
{
local bin_file=${TMP_DIR}/.bfcfg-mfg.bin
local cap_file=${TMP_DIR}/.bfcfg-mfg.cap
[ ${dump_level} -gt ${DUMP_LEVEL_NONE} ] && return
mfg_cfg_bin_to_cap ${bin_file} ${cap_file}
has_cap=0
[ -f "${cap_file}" ] && has_cap=1
if [ ${has_cap} -eq 0 ]; then
log_msg "mfg: update: capsule file not found. Skip capsule update."
return
fi
#
# MFG capsule must be applied first, before secure boot capsule
# otherwise the signature verification would fail.
#
# Note that capsules are sorted by name and processed in order.
# Thus it is important to get the MFG capsule executed first and
# the capsule file name starts with '.'; it is not expected that
# the remaining capsule files generated outside of bfcfg command
# would have the '.' prefix in the filename.
#
bfrec --capsule ${cap_file} 2>&1 > /dev/null
if [ $? -eq 0 ]; then
log_msg "mfg: update: MFG will be updated via capsule"
else
log_msg "mfg: update: failed to update MFG via capsule"
fi
rm -f ${bin_file} ${cap_file}
}
mfg_cfg()
{
# Update the MFG fields with corresponding EFI variables
local oob_mac=${efivars}/BfCfgOobMac-${efi_bfcfg_var_guid}
local opn_sysfs=${efivars}/BfCfgOpn-${efi_bfcfg_var_guid}
local sku_sysfs=${efivars}/BfCfgSku-${efi_bfcfg_var_guid}
local modl_sysfs=${efivars}/BfCfgModl-${efi_bfcfg_var_guid}
local sn_sysfs=${efivars}/BfCfgSn-${efi_bfcfg_var_guid}
local uuid_sysfs=${efivars}/BfCfgUuid-${efi_bfcfg_var_guid}
local rev_sysfs=${efivars}/BfCfgRev-${efi_bfcfg_var_guid}
# The efi variables have a 4 byte attribute header we won't display.
# If we fetch the data from the MFG, that header does not exist.
local skip_bytes_mfg=4
local skip_bytes_ext_mfg=4
if [ -z "${oob_mac}" ] || [ -z "${opn_sysfs}" ] || [ -z "${sku_sysfs}" ] ||
[ -z "${modl_sysfs}" ] || [ -z "${sn_sysfs}" ] || [ -z "${uuid_sysfs}" ] ||
[ -z "${rev_sysfs}" ] ; then
#
# One or more EFI variables representing MFG fields are empty
# Use the sysfs version of MFG fields
#
oob_mac=${mfg_sysfs_dir}/oob_mac
opn_sysfs=${mfg_sysfs_dir}/opn
sku_sysfs=${mfg_sysfs_dir}/sku
modl_sysfs=${mfg_sysfs_dir}/modl
sn_sysfs=${mfg_sysfs_dir}/sn
uuid_sysfs=${mfg_sysfs_dir}/uuid
rev_sysfs=${mfg_sysfs_dir}/rev
skip_bytes_mfg=0
fi
# Use the EFI variable for all extended MFG fields
local sys_mfr_sysfs=${efivars}/BfCfgSysMfr-${efi_bfcfg_var_guid}
local sys_pdn_sysfs=${efivars}/BfCfgSysPdn-${efi_bfcfg_var_guid}
local sys_ver_sysfs=${efivars}/BfCfgSysVer-${efi_bfcfg_var_guid}
local bsb_mfr_sysfs=${efivars}/BfCfgBsbMfr-${efi_bfcfg_var_guid}
local bsb_pdn_sysfs=${efivars}/BfCfgBsbPdn-${efi_bfcfg_var_guid}
local bsb_ver_sysfs=${efivars}/BfCfgBsbVer-${efi_bfcfg_var_guid}
local bsb_sn_sysfs=${efivars}/BfCfgBsbSn-${efi_bfcfg_var_guid}
if [ ${dump_level} -gt ${DUMP_LEVEL_NONE} ]; then
# W/A: always read the OOB MAC from kernel sysfs.
# Note: The 'BfCfgOobMac' EFI variable might contain incorrect
# OOB MAC.
[ -e "${oob_mac_sysfs}" ] && echo "mfg: MFG_OOB_MAC=$(cat ${oob_mac_sysfs} 2>/dev/null)"
[ -e "${opn_sysfs}" ] && echo "mfg: MFG_OPN=$(cat ${opn_sysfs} 2>/dev/null | sed "s/^.\{$skip_bytes_mfg\}//")"
[ -e "${sku_sysfs}" ] && echo "mfg: MFG_SKU=$(cat ${sku_sysfs} 2>/dev/null | sed "s/^.\{$skip_bytes_mfg\}//")"
[ -e "${modl_sysfs}" ] && echo "mfg: MFG_MODL=$(cat ${modl_sysfs} 2>/dev/null | sed "s/^.\{$skip_bytes_mfg\}//")"
[ -e "${sn_sysfs}" ] && echo "mfg: MFG_SN=$(cat ${sn_sysfs} 2>/dev/null | sed "s/^.\{$skip_bytes_mfg\}//")"
[ -e "${uuid_sysfs}" ] && echo "mfg: MFG_UUID=$(cat ${uuid_sysfs} 2>/dev/null | sed "s/^.\{$skip_bytes_mfg\}//")"
[ -e "${rev_sysfs}" ] && echo "mfg: MFG_REV=$(cat ${rev_sysfs} 2>/dev/null | sed "s/^.\{$skip_bytes_mfg\}//")"
[ -e "${sys_mfr_sysfs}" ] && echo "mfg: MFG_SYS_MFR=$(cat ${sys_mfr_sysfs} 2>/dev/null | sed "s/^.\{$skip_bytes_ext_mfg\}//")"
[ -e "${sys_pdn_sysfs}" ] && echo "mfg: MFG_SYS_PDN=$(cat ${sys_pdn_sysfs} 2>/dev/null | sed "s/^.\{$skip_bytes_ext_mfg\}//")"
[ -e "${sys_ver_sysfs}" ] && echo "mfg: MFG_SYS_VER=$(cat ${sys_ver_sysfs} 2>/dev/null | sed "s/^.\{$skip_bytes_ext_mfg\}//")"
[ -e "${bsb_mfr_sysfs}" ] && echo "mfg: MFG_BSB_MFR=$(cat ${bsb_mfr_sysfs} 2>/dev/null | sed "s/^.\{$skip_bytes_ext_mfg\}//")"
[ -e "${bsb_pdn_sysfs}" ] && echo "mfg: MFG_BSB_PDN=$(cat ${bsb_pdn_sysfs} 2>/dev/null | sed "s/^.\{$skip_bytes_ext_mfg\}//")"
[ -e "${bsb_ver_sysfs}" ] && echo "mfg: MFG_BSB_VER=$(cat ${bsb_ver_sysfs} 2>/dev/null | sed "s/^.\{$skip_bytes_ext_mfg\}//")"
[ -e "${bsb_sn_sysfs}" ] && echo "mfg: MFG_BSB_SN=$(cat ${bsb_sn_sysfs} 2>/dev/null | sed "s/^.\{$skip_bytes_ext_mfg\}//")"
return
fi
mfg_sysfs_cfg_done=0
mfg_sysfs_cfg
mfg_cap_cfg
}
icm_cfg()
{
if [ ${dump_level} -gt ${DUMP_LEVEL_NONE} ]; then
[ -e "${large_icm_sysfs}" ] && echo "icm: LARGE_ICM_SIZE=$(cat ${large_icm_sysfs} 2>/dev/null)"
return
fi
if [ -n "${LARGE_ICM_SIZE}" ] && [ -e "${large_icm_sysfs}" ]; then
log_msg "icm: LARGE_ICM_SIZE=${LARGE_ICM_SIZE}"
echo "${LARGE_ICM_SIZE}" > ${large_icm_sysfs} 2>>${log_file}
large_icm_err=$?
if [ ${large_icm_err} -eq 0 ]; then
log_msg "icm: large_icm written"
else
log_msg "icm: large_icm_err=${large_icm_err}"
return
fi
fi
}
#
# Set or dump a value at the specified offset in a file.
#
sys_cfg_one_byte()
{
local tmp_file=$1
local name=$2
local offset=$3
local value=$4
local bin_value
if [ ${dump_level} -gt ${DUMP_LEVEL_NONE} ]; then
value=0
if [ -e ${tmp_file} ]; then
value=$(hexdump -s "${offset}" -n 1 -e '/1 "%d" "\n"' "${tmp_file}")
fi
echo "sys: ${name}=${value}"
elif [ -n "${value}" ]; then
bin_value=$(echo "${value}" | tr '[:lower:]' '[:upper:]')
if [ ."$value" = ."TRUE" ]; then
bin_value='\x01'
else
bin_value='\x00'
fi
printf "${bin_value}" | dd of="${tmp_file}" seek="${offset}" bs=1 count=1 conv=notrunc 2> /dev/null
has_change=1
log_msg "sys: ${name}=${value}"
fi
}
#
# Dump a multi-byte value at the specified offset in a file.
#
sys_cfg_multi_byte()
{
local tmp_file=$1
local name=$2
local offset=$3
local num_bytes=$4
local value=$5
if [ ${dump_level} -eq ${DUMP_LEVEL_NONE} ]; then
return
fi
value=0
if [ -e ${tmp_file} ]; then
value=$(hexdump -s "${offset}" -n "${num_bytes}" -e '"0x%X" "\n"' "${tmp_file}")
fi
echo "sys: ${name}=${value}"
}
#
# This function reads the BfModes EFI struct from a UEFI variable directly.
# Below are the offsets defined in UEFI which is 4(fixed header) plus the offset
# of the variable within the BfModes struct. These offsets are not supposed to
# change in order to be backward compatible with previous releases.
# VARIABLE(Name) OFFSET(Byte) SIZE(Byte)
# INTERNAL_CPU_MODEL 4 1
# HOST_PRIV_LEVEL 5 1
# NIC_MODE 6 1
#
sysfs_dump_bf_modes()
{
local tmp_file=${TMP_DIR}/.bfcfg-bfmodes-data
local internal_cpu_model internal_cpu_model_str
local host_priv_level host_priv_level_str
local nic_mode nic_mode_str
if [ ${dump_level} -eq ${DUMP_LEVEL_NONE} ]; then
return
fi
if [ ! -e "${bf_modes_sysfs}" ]; then
log_msg "misc: failed to find the ${bf_modes_sysfs} EFI variable"
return
fi
# shellcheck disable=SC2216
yes | cp -f ${bf_modes_sysfs} ${tmp_file}
internal_cpu_model=$(hexdump -s 4 -n 1 -e '/1 "%d" "\n"' ${tmp_file})
# shellcheck disable=SC2216
yes | cp -f ${bf_modes_sysfs} ${tmp_file}
host_priv_level=$(hexdump -s 5 -n 1 -e '/1 "%d" "\n"' ${tmp_file})
# shellcheck disable=SC2216
yes | cp -f ${bf_modes_sysfs} ${tmp_file}
nic_mode=$(hexdump -s 6 -n 1 -e '/1 "%d" "\n"' ${tmp_file})
if [ "${internal_cpu_model}" -eq 0 ]; then
internal_cpu_model_str="SEPARATED"
elif [ "${internal_cpu_model}" -eq 1 ]; then
internal_cpu_model_str="EMBEDDED"
else
internal_cpu_model_str="UNKNOWN"
fi
if [ "${host_priv_level}" -eq 0 ]; then
host_priv_level_str="PRIVILEGED"
elif [ "${host_priv_level}" -eq 1 ]; then
host_priv_level_str="RESTRICTED"
else
host_priv_level_str="UNKNOWN"
fi
if [ "${nic_mode}" -eq 0 ]; then
nic_mode_str="DPU_MODE"
elif [ "${nic_mode}" -eq 1 ]; then
nic_mode_str="NIC_MODE"
else
nic_mode_str="UNKNOWN"
fi
echo "misc: INTERNAL_CPU_MODEL=${internal_cpu_model_str}"
echo "misc: HOST_PRIV_LEVEL=${host_priv_level_str}"
echo "misc: NIC_MODE=${nic_mode_str}"
}
sysfs_dump_pass_settings()
{
local tmp_file=${TMP_DIR}/.bfcfg-pass-settings
local default_pass_policy
if [ ${dump_level} -eq ${DUMP_LEVEL_NONE} ]; then
return
fi
if [ ! -e "${pass_settings_sysfs}" ]; then
log_msg "misc: failed to find the ${pass_settings_sysfs} EFI variable"
return
fi
# shellcheck disable=SC2216
yes | cp -f ${pass_settings_sysfs} ${tmp_file}
default_pass_policy=$(hexdump -s 4 -n 1 -e '/1 "%d" "\n"' ${tmp_file})
echo "misc: UEFI_DEFAULT_PASS_POLICY_ENABLE=${default_pass_policy}"
}
#
# This function writes to the BfSysCfg UEFI variable directly.
# Below are the offsets defined in UEFI which is 4(fixed header) plus the offset
# of the variable within the BfSysCfg struct. These offsets are not supposed to
# change in order to be backward compatible with previous releases.
# VARIABLE(Name) OFFSET(Byte) SIZE(Byte)
# SYS_ENABLE_SMMU 24 1
# SYS_DISABLE_SPMI 25 1
# SYS_ENABLE_2ND_EMMC 26 1
# SYS_BOOT_PROTECT 27 1
# SYS_ENABLE_SPCR 32 1
# SYS_DISABLE_PCIE 33 1
# SYS_ENABLE_OPTEE 34 1
# SYS_DISABLE_TMFF 35 1
# SYS_ENABLE_I2C0 36 1
# SYS_DISABLE_FORCE_PXE_RETRY 37 1
# SYS_ENABLE_BMC_FIELD_MODE 38 1
# SYS_DISABLE_HEST 49 1
# SYS_L3_CACHE_PART_LEVEL 50 2
# SYS_ENABLE_I2C3 52 1
# SYS_ENABLE_FORCE_BOOT_RETRY 53 1
# SYS_ENABLE_OEM_MFG_CONFIG 54 1
# SYS_DISABLE_I2C1 55 1
# SYS_DISABLE_WDOG_AFTER_BOOT 57 1
# SYS_DISABLE_AUTO_BOOT_REFRESH 66 1
# SYS_DISPLAY_BMC_NET_CONFIG 67 1
#
sys_cfg()
{
local tmp_file=${TMP_DIR}/.bfcfg-sysfs-data
has_sys_cfg=0
if [ ! -e "${sys_cfg_sysfs}" ]; then
log_msg "sys: failed to find the ${sys_cfg_sysfs} EFI variable"
return
fi
# shellcheck disable=SC2216
yes | cp -f ${sys_cfg_sysfs} ${tmp_file}
has_change=0
sys_cfg_one_byte ${tmp_file} "ENABLE_SMMU" 24 "${SYS_ENABLE_SMMU}"
sys_cfg_one_byte ${tmp_file} "DISABLE_SPMI" 25 "${SYS_DISABLE_SPMI}"
sys_cfg_one_byte ${tmp_file} "ENABLE_2ND_EMMC" 26 "${SYS_ENABLE_2ND_EMMC}"
sys_cfg_one_byte ${tmp_file} "BOOT_PROTECT" 27 "${SYS_BOOT_PROTECT}"
sys_cfg_one_byte ${tmp_file} "ENABLE_SPCR" 32 "${SYS_ENABLE_SPCR}"
sys_cfg_one_byte ${tmp_file} "DISABLE_PCIE" 33 "${SYS_DISABLE_PCIE}"
sys_cfg_one_byte ${tmp_file} "ENABLE_OPTEE" 34 "${SYS_ENABLE_OPTEE}"
sys_cfg_one_byte ${tmp_file} "DISABLE_TMFF" 35 "${SYS_DISABLE_TMFF}"
sys_cfg_one_byte ${tmp_file} "ENABLE_I2C0" 36 "${SYS_ENABLE_I2C0}"
sys_cfg_one_byte ${tmp_file} "DISABLE_FORCE_PXE_RETRY" 37 "${SYS_DISABLE_FORCE_PXE_RETRY}"
sys_cfg_one_byte ${tmp_file} "ENABLE_BMC_FIELD_MODE" 38 "${SYS_ENABLE_BMC_FIELD_MODE}"
sys_cfg_multi_byte ${tmp_file} "LARGE_ICMC_SIZE" 39 4 "${SYS_LARGE_ICMC_SIZE}"
sys_cfg_multi_byte ${tmp_file} "CE_THRESHOLD" 45 4 "${SYS_CE_THRESHOLD}"
sys_cfg_one_byte ${tmp_file} "DISABLE_HEST" 49 "${SYS_DISABLE_HEST}"
sys_cfg_one_byte ${tmp_file} "L3_CACHE_PARTITION_LEVEL" 50 "${SYS_L3_CACHE_PARTITION_LEVEL}"
sys_cfg_one_byte ${tmp_file} "ENABLE_I2C3" 52 "${SYS_ENABLE_I2C3}"
sys_cfg_one_byte ${tmp_file} "ENABLE_FORCE_BOOT_RETRY" 53 "${SYS_ENABLE_FORCE_BOOT_RETRY}"
sys_cfg_one_byte ${tmp_file} "ENABLE_OEM_MFG_CONFIG" 54 "${SYS_ENABLE_OEM_MFG_CONFIG}"
sys_cfg_one_byte ${tmp_file} "DISABLE_I2C1" 55 "${SYS_DISABLE_I2C1}"
sys_cfg_one_byte ${tmp_file} "DISABLE_WDOG_AFTER_BOOT" 57 "${SYS_DISABLE_WDOG_AFTER_BOOT}"
sys_cfg_one_byte ${tmp_file} "DISABLE_AUTO_BOOT_REFRESH" 66 "${SYS_DISABLE_AUTO_BOOT_REFRESH}"
sys_cfg_one_byte ${tmp_file} "DISPLAY_BMC_NET_CONFIG" 67 "${SYS_DISPLAY_BMC_NET_CONFIG}"
if [ ${has_change} -eq 1 ]; then
chattr -i ${sys_cfg_sysfs}
cp ${tmp_file} ${sys_cfg_sysfs}
sync
has_sys_cfg=1
fi
rm -f ${tmp_file}
}
#
# This function reads the BfRedfishState UEFI variable directly.
# Below are the offsets defined in UEFI which is 4(fixed header) plus the offset
# of the variable within the BfRedfish struct. These offsets are not supposed to
# change in order to be backward compatible with previous releases.
# VARIABLE(Name) OFFSET(Byte) SIZE(Byte)
# CFG_SKIP_REDFISH 4 1
#
sys_redfish_cfg_dump()
{
local tmp_file=${TMP_DIR}/.bfcfg-redfishfs-state-data
if [ ${dump_level} -eq ${DUMP_LEVEL_NONE} ]; then
return
fi
if [ ! -e "${redfish_state_cfg_sysfs}" ]; then
log_msg "sys: failed to find the ${redfish_state_cfg_sysfs} EFI variable"
return
fi
# shellcheck disable=SC2216
yes | cp -f ${redfish_state_cfg_sysfs} ${tmp_file}
has_change=0
sys_cfg_one_byte ${tmp_file} "SKIP_REDFISH" 4 "${SYS_SKIP_REDFISH}"
if [ ${has_change} -eq 1 ]; then
log_msg "sys: changes to volatile ${redfish_state_cfg_sysfs} EFI variable will not take effect"
fi
}
#
# This function writes to the BfRedfish UEFI variable directly.
# Below are the offsets defined in UEFI which is 4(fixed header) plus the offset
# of the variable within the BfRedfish struct. These offsets are not supposed to
# change in order to be backward compatible with previous releases.
# VARIABLE(Name) OFFSET(Byte) SIZE(Byte)
# CFG_ENABLE_REDFISH 4 1
# CFG_RTCSYNC 5 1
#
sys_redfish_cfg()
{
local tmp_file=${TMP_DIR}/.bfcfg-redfishfs-data
if [ ${dump_level} -gt ${DUMP_LEVEL_NONE} ]; then
sys_redfish_cfg_dump
fi
has_redfish_cfg=0
if [ ! -e "${redfish_cfg_sysfs}" ]; then
log_msg "sys: failed to find the ${redfish_cfg_sysfs} EFI variable"
return
fi
# shellcheck disable=SC2216
yes | cp -f ${redfish_cfg_sysfs} ${tmp_file}
has_change=0
sys_cfg_one_byte ${tmp_file} "ENABLE_REDFISH" 4 "${SYS_ENABLE_REDFISH}"
sys_cfg_one_byte ${tmp_file} "RTCSYNC" 5 "${SYS_RTCSYNC}"
if [ ${has_change} -eq 1 ]; then
chattr -i ${redfish_cfg_sysfs}
cp ${tmp_file} ${redfish_cfg_sysfs}
sync
has_redfish_cfg=1
fi
rm -f ${tmp_file}
}
#
# Dump the boot watchdog configuration.
# Below are the offsets defined in UEFI which is 4(fixed header) plus the offset
# of the variable within the BfBootWdog struct. These offsets are not supposed to
# change in order to be backward compatible with previous releases.
# VARIABLE(Name) OFFSET(Byte) SIZE(Byte)
# INTERVAL 4 2
# MODE 6 1
#
sysfs_dump_boot_wdog()
{
local current_mode current_interval current_mode_str
local next_mode next_interval next_mode_str
local tmp_file=${TMP_DIR}/.bfcfg-bootwdog-data
if [ ${dump_level} -eq ${DUMP_LEVEL_NONE} ]; then
return
fi
if [ ! -e "${boot_wdog_sysfs}" ]; then
log_msg "misc: failed to find the ${boot_wdog_sysfs} EFI variable"
return
fi
# shellcheck disable=SC2216
yes | cp -f ${boot_wdog_sysfs} ${tmp_file}
current_interval=$(hexdump -s 4 -n 2 -e '"%d" "\n"' "${tmp_file}")
current_mode=$(hexdump -s 6 -n 1 -e '"%d" "\n"' "${tmp_file}")
if [ "${current_mode}" -eq 0 ]; then
current_mode_str="DISABLED"
elif [ "${current_mode}" -eq 1 ]; then
current_mode_str="STANDARD"
elif [ "${current_mode}" -eq 2 ]; then
current_mode_str="TIME_LIMIT"
else
current_mode_str="UNKNOWN"
fi
echo "misc: CURRENT_BOOT_WDOG_MODE=${current_mode_str}"
echo "misc: CURRENT_BOOT_WDOG_INTERVAL=${current_interval}"
# Watchdog settings that will take effect on next boot
# can be confirmed with mlxbf-bootctl (may be different than
# current boot config)
if command -v mlxbf-bootctl 2>&1 > /dev/null; then
next_mode=$(mlxbf-bootctl | grep "watchdog mode" | cut -d " " -f 4)
next_interval=$(mlxbf-bootctl | grep "watchdog interval" | cut -d " " -f 4)
fi
if [ "${next_mode}" = "disabled" ]; then
next_mode_str="DISABLED"
elif [ "${next_mode}" = "standard" ]; then
next_mode_str="STANDARD"
elif [ "${next_mode}" = "time_limit" ]; then
next_mode_str="TIME_LIMIT"
else
next_mode_str="UNKNOWN"
fi
if ! [ "${next_interval}" -eq "${next_interval}" ] 2>/dev/null; then
next_interval="UNKNOWN"
fi
echo "misc: NEXT_BOOT_WDOG_MODE=${next_mode_str}"
echo "misc: NEXT_BOOT_WDOG_INTERVAL=${next_interval}"
}
misc_cfg()
{
local mac value
local tmp_file=${TMP_DIR}/.bfcfg-misc-data
if [ ${dump_level} -gt ${DUMP_LEVEL_NONE} ]; then
sysfs_dump_bf_modes