diff options
Diffstat (limited to 'meta-openbmc-mods/meta-common/recipes-core/fw-update/files/fwupd.sh')
| -rw-r--r-- | meta-openbmc-mods/meta-common/recipes-core/fw-update/files/fwupd.sh | 366 |
1 files changed, 366 insertions, 0 deletions
diff --git a/meta-openbmc-mods/meta-common/recipes-core/fw-update/files/fwupd.sh b/meta-openbmc-mods/meta-common/recipes-core/fw-update/files/fwupd.sh new file mode 100644 index 000000000..96ec876cc --- /dev/null +++ b/meta-openbmc-mods/meta-common/recipes-core/fw-update/files/fwupd.sh @@ -0,0 +1,366 @@ +#!/bin/sh + +log() { + echo "$@" +} + +FWTYPE="" +FWVER="" +redfish_log_fw_evt() { + local evt=$1 + local sev="" + local msg="" + [ -z "$FWTYPE" ] && return + [ -z "$FWVER" ] && return + case "$evt" in + start) + evt=OpenBMC.0.1.FirmwareUpdateStarted + msg="${FWTYPE} firmware update to version ${FWVER} started." + sev=OK + ;; + success) + evt=OpenBMC.0.1.FirmwareUpdateCompleted + msg="${FWTYPE} firmware update to version ${FWVER} completed successfully." + sev=OK + ;; + abort) + evt=OpenBMC.0.1.FirmwareUpdateFailed + msg="${FWTYPE} firmware update to version ${FWVER} failed." + sev=Warning + ;; + *) return ;; + esac + logger-systemd --journald <<-EOF + MESSAGE=$msg + PRIORITY=2 + SEVERITY=${sev} + REDFISH_MESSAGE_ID=${evt} + REDFISH_MESSAGE_ARGS=${FWTYPE},${FWVER} + EOF +} + +wait_for_log_sync() +{ + sync + sleep 5 +} + +PFR_BUS=4 +PFR_ADDR=0x38 +PFR_ID_REG=0x00 +PFR_STATE_REG=0x03 +PFR_PROV_REG=0x0a +PFR_INTENT_REG=0x13 +pfr_read() { + [ $# -ne 1 ] && return 1 + local reg=$1 + i2cget -y $PFR_BUS $PFR_ADDR $reg 2>/dev/null +} + +pfr_write() { + [ $# -ne 2 ] && return 1 + local reg=$1 + local val=$2 + i2cset -y $PFR_BUS $PFR_ADDR $reg $val >&/dev/null +} + +pfr_active_update() { + local factory_reset="" + local recovery_offset=0x2a00000 + systemctl stop nv-sync.service || \ + log "BMC NV sync failed to stop" + # transition from non-PFR to PFR image requires factory reset + if [ ! -e /usr/share/pfr ]; then + factory_reset="-r" + mtd-util pfr stage $LOCAL_PATH $recovery_offset + fi + mtd-util $factory_reset pfr write $LOCAL_PATH + redfish_log_fw_evt success + # only wait for logging if not transitioning from non-PFR to PFR + if [ -e /usr/share/pfr ]; then + # exit bmc no nv mode + systemctl start nv-sync.service || log "failed to start nv-sync" + wait_for_log_sync + fi + reboot -f +} + +pfr_staging_update() { + log "Updating $(basename $TGT)" + flash_erase $TGT $erase_offset $blk_cnt + log "Writing $(stat -c "%s" "$LOCAL_PATH") bytes" + # cat "$LOCAL_PATH" > "$TGT" + dd bs=4k seek=$(($erase_offset / 0x1000)) if=$LOCAL_PATH of=$TGT 2>/dev/null + + # remove the updated image from /tmp + rm -f $LOCAL_PATH + redfish_log_fw_evt success + log "Setting update intent in PFR CPLD" + wait_for_log_sync + + # write to PFRCPLD about BMC update intent. + pfr_write 0x13 $upd_intent_val +} + +pfr_active_mode() { + # check for 0xde in register file 0 + local id=$(pfr_read $PFR_ID_REG) || return 1 + [ "$id" == "0xde" ] || return 1 + local state=$(pfr_read $PFR_STATE_REG) || return 1 + local prov=$(pfr_read $PFR_PROV_REG) || return 1 + prov=$((prov & 0x20)) + [ "$prov" == "32" ] && return 0 + return 1 +} + +blk0blk1_update() { + # PFR-style image update section + # read the image type from the uploaded image + # Byte at location 0x8 gives image type + TGT="/dev/mtd/image-stg" + img_type=$(hexdump -s 8 -n 1 -e '/1 "%02x\n"' $LOCAL_PATH) + log "image-type=$img_type" + + if [ $local_file -eq 0 ]; then + img_type_str=$(busctl get-property xyz.openbmc_project.Software.BMC.Updater /xyz/openbmc_project/software/$img_obj xyz.openbmc_project.Software.Version Purpose | cut -d " " -f 2 | cut -d "." -f 6 | sed 's/.\{1\}$//') + img_target=$(busctl get-property xyz.openbmc_project.Software.BMC.Updater /xyz/openbmc_project/software/$img_obj xyz.openbmc_project.Software.Activation RequestedActivation | cut -d " " -f 2| cut -d "." -f 6 | sed 's/.\{1\}$//') + else + img_type_str='BMC' + img_target='Active' + fi + + apply_time=$(busctl get-property xyz.openbmc_project.Settings /xyz/openbmc_project/software/apply_time xyz.openbmc_project.Software.ApplyTime RequestedApplyTime | cut -d " " -f 2 | cut -d "." -f 6 | sed 's/.\{1\}$//') + log "image-name=$img_type_str" + log "image-target=$img_target" + log "apply_time=$apply_time" + + case "$img_type" in + 04) + if [ "$img_type_str" == 'BMC' ]; then + # BMC image - max size 32MB + log "BMC firmware image" + img_size=33554432 + if [ "$img_target" == 'StandbySpare' ]; then + upd_intent_val=0x10 + else + upd_intent_val=0x08 + fi + erase_offset=0 + FWTYPE="BMC" + FWVER="${RANDOM}-fixme" + else + # log error the image selected for update is not same as downloaded. + log "Mismatch: image selected for update and image parsed are different" + redfish_log_fw_evt abort + return 1 + fi + ;; + 00) + if [ "$img_type_str" == 'Other' ]; then + log "CPLD firmware image" + # CPLD image- max size 1MB + img_size=1048576 + if [ "$img_target" == 'StandbySpare' ]; then + upd_intent_val=0x20 + else + upd_intent_val=0x04 + fi + erase_offset=0x3000000 + FWTYPE="CPLD" + FWVER="${RANDOM}-fixme" + else + # log error the image selected for update is not same as downloaded. + log "Mismatch: image selected for update and image parsed are different" + redfish_log_fw_evt abort + return 1 + fi + ;; + 02) + if [ "$img_type_str" = 'Host' ]; then + # BIOS image- max size 16MB + log "BIOS firmware image" + img_size=16777216 + if [ "$img_target" == 'StandbySpare' ]; then + upd_intent_val=0x02 + else + upd_intent_val=0x41 + fi + erase_offset=0x2000000 + # TODO: parse out the fwtype and fwver once that is specified + FWTYPE="BIOS" + FWVER="${RANDOM}-fixme" + else + # log error the image selected for update is not same as downloaded. + log "Mismatch: image selected for update and image parsed are different" + redfish_log_fw_evt abort + return 1 + fi + ;; + *) + log "Unknown image type ${img_type}" + return 1 + ;; + esac + + # For deferred updates + if [ "$apply_time" == 'OnReset' ]; then + upd_intent_val=$(( "$upd_intent_val"|0x80 )) + fi + + # do a quick sanity check on the image + if [ $(stat -c "%s" "$LOCAL_PATH") -gt $img_size ]; then + log "Update file "$LOCAL_PATH" is bigger than the supported image size" + redfish_log_fw_evt abort + return 1 + fi + blk_cnt=$((img_size / 0x10000)) + + if pfr_active_mode; then + # pfr enforcing mode; any b0b1 image type + pfr_staging_update + elif [ "$img_type" == '04' ]; then + # legacy mode; pfr is not present but we got a pfr image + log "Updating BMC active firmware- PFR unprovisioned mode" + pfr_active_update + else + # error; pfr is not present but we got a pfr image, + # an invalid image, or nonBMC image + log "PFR inactive or invalid image type:${img_type}, cowardly refusing to process image" + redfish_log_fw_evt abort + return 1 + fi +} + +ping_pong_update() { + # if some one tries to update with non-PFR on PFR image + # just exit + if [ -e /usr/share/pfr ]; then + log "Update exited as non-PFR image is tried onto PFR image" + redfish_log_fw_evt abort + return 1 + fi + # do a quick sanity check on the image + if [ $(stat -c "%s" "$LOCAL_PATH") -lt 10000000 ]; then + log "Update file "$LOCAL_PATH" seems to be too small" + redfish_log_fw_evt abort + return 1 + fi + dtc -I dtb -O dtb "$LOCAL_PATH" > /dev/null 2>&1 + if [ $? -ne 0 ]; then + log "Update file $LOCAL_PATH doesn't seem to be in the proper format" + redfish_log_fw_evt abort + return 1 + fi + + # guess based on fw_env which partition we booted from + local BOOTADDR=$(fw_printenv bootcmd | awk '{print $2}') + local TGT="/dev/mtd/image-a" + case "$BOOTADDR" in + 20080000) TGT="/dev/mtd/image-b"; BOOTADDR="22480000" ;; + 22480000) TGT="/dev/mtd/image-a"; BOOTADDR="20080000" ;; + *) TGT="/dev/mtd/image-a"; BOOTADDR="20080000" ;; + esac + log "Updating $(basename $TGT) (use bootm $BOOTADDR)" + flash_erase $TGT 0 0 + log "Writing $(stat -c "%s" "$LOCAL_PATH") bytes" + cat "$LOCAL_PATH" > "$TGT" + fw_setenv "bootcmd" "bootm ${BOOTADDR}" + redfish_log_fw_evt success + wait_for_log_sync + # reboot + reboot -f +} + +fetch_fw() { + PROTO=$(echo "$URI" | sed 's,\([a-z]*\)://.*$,\1,') + REMOTE=$(echo "$URI" | sed 's,.*://\(.*\)$,\1,') + REMOTE_HOST=$(echo "$REMOTE" | sed 's,\([^/]*\)/.*$,\1,') + if [ "$PROTO" = 'scp' ]; then + REMOTE_PATH=$(echo "$REMOTE" | cut -d':' -f2) + else + REMOTE_PATH=$(echo "$REMOTE" | sed 's,[^/]*/\(.*\)$,\1,') + fi + LOCAL_PATH="/tmp/$(basename $REMOTE_PATH)" + log "PROTO=$PROTO" + log "REMOTE=$REMOTE" + log "REMOTE_HOST=$REMOTE_HOST" + log "REMOTE_PATH=$REMOTE_PATH" + if [ ! -e $LOCAL_PATH ] || [ $(stat -c %s $LOCAL_PATH) -eq 0 ]; then + log "Download '$REMOTE_PATH' from $PROTO $REMOTE_HOST $REMOTE_PATH" + case "$PROTO" in + scp) + mkdir -p $HOME/.ssh + if [ -e "$SSH_ID" ]; then + ARG_ID="-i $SSH_ID" + fi + scp $ARG_ID $REMOTE_HOST$REMOTE_PATH $LOCAL_PATH + if [ $? -ne 0 ]; then + log "scp $REMOTE $LOCAL_PATH failed!" + return 1 + fi + ;; + tftp) + cd /tmp + tftp -g -r "$REMOTE_PATH" "$REMOTE_HOST" + if [ $? -ne 0 ]; then + log "tftp -g -r \"$REMOTE_PATH\" \"$REMOTE_HOST\" failed!" + return 1 + fi + ;; + http|https|ftp) + wget --no-check-certificate "$URI" -O "$LOCAL_PATH" + if [ $? -ne 0 ]; then + log "wget $URI failed!" + return 1 + fi + ;; + file) + LOCAL_PATH=$(echo $URI | sed 's,^file://,,') + ;; + *) + log "Invalid URI $URI" + return 1 + ;; + esac + fi +} + +update_fw() { + redfish_log_fw_evt start + # determine firmware file type + local magic=$(hexdump -n 4 -v -e '/1 "%02x"' "$LOCAL_PATH") + case "$magic" in + d00dfeed) ping_pong_update ;; + 19fdeab6) blk0blk1_update ;; + *) log "Uknown file type ${magic}" + esac +} + +# if this script was sourced, just return without executing anything +[ "$_" != "$0" ] && return 0 >&/dev/null + +usage() { + echo "usage: $(basename $0) uri" + echo " uri is something like: file:///path/to/fw" + echo " tftp://tftp.server.ip.addr/path/to/fw" + echo " scp://[user@]scp.server.ip.addr:/path/to/fw" + echo " http[s]://web.server.ip.addr/path/to/fw" + echo " ftp://[user@]ftp.server.ip.addr/path/to/fw" + exit 1 +} + +if [ "$1" = "-h" ] || [ "$1" = "--help" ]; then usage; fi +if [ $# -eq 0 ]; then + # set DEFURI in $HOME/.fwupd.defaults + URI="$DEFURI" +else + if [[ "$1" == *"/"* ]]; then + URI=$1 # local file + local_file=1 ; + else + URI="file:////tmp/images/$1/image-runtime" + img_obj=$1 + local_file=0 ; + fi +fi +fetch_fw && update_fw |