| #!/bin/sh |
| |
| # Copyright 2017 The Chromium OS Authors. All rights reserved. |
| # Use of this source code is governed by a BSD-style license that can be |
| # found in the LICENSE file. |
| # |
| # This script provides various data about the internal disk to show on the |
| # chrome://system page. It will run once on startup to dump output to the file |
| # /var/log/storage_info.txt which will be read later by debugd when the user |
| # opens the chrome://system page. |
| . /usr/share/misc/chromeos-common.sh |
| |
| SSD_CMD_0="hdparm -I" |
| SSD_CMD_1_NORMAL="smartctl -x" |
| SSD_CMD_1_ALTERNATE="smartctl -a -f brief" |
| SSD_CMD_MAX=1 |
| |
| # This match SanDisk SSD U100/i100 with any size with version *.xx.* when x < 54 |
| # Seen Error with U100 10.52.01 / i100 CS.51.00 / U100 10.01.04. |
| MODEL_BLACKLIST_0="SanDisk_SSD_[iU]100.*" |
| VERSION_BLACKLIST_0="(CS|10)\.([01234].|5[0123])\..*" |
| MODEL_BLACKLIST_1="SanDisk_SDSA5GK-.*" |
| VERSION_BLACKLIST_1="CS.54.06" |
| MODEL_BLACKLIST_2="LITEON_LST-.*" |
| VERSION_BLACKLIST_2=".*" |
| MODEL_BLACKLIST_3="LITEON_CS1-SP.*" |
| VERSION_BLACKLIST_3=".*" |
| BLACKLIST_MAX=3 |
| |
| MMC_NAME_0="cid" |
| MMC_NAME_1="csd" |
| MMC_NAME_2="date" |
| MMC_NAME_3="enhanced_area_offset" |
| MMC_NAME_4="enhanced_area_size" |
| MMC_NAME_5="erase_size" |
| MMC_NAME_6="fwrev" |
| MMC_NAME_7="hwrev" |
| MMC_NAME_8="manfid" |
| MMC_NAME_9="name" |
| MMC_NAME_10="oemid" |
| MMC_NAME_11="preferred_erase_size" |
| MMC_NAME_12="prv" |
| MMC_NAME_13="raw_rpmb_size_mult" |
| MMC_NAME_14="rel_sectors" |
| MMC_NAME_15="serial" |
| MMC_NAME_MAX=15 |
| |
| NVME_CMD_0="smartctl -x" |
| NVME_CMD_MAX=0 |
| |
| UFS_DIR_NAME_0="string_descriptors" |
| UFS_DIR_NAME_1="health_descriptor" |
| UFS_DIR_NAME_2="device_descriptor" |
| UFS_DIR_NAME_3="flags" |
| UFS_DIR_NAME_4="geometry_descriptor" |
| UFS_DIR_NAME_5="interconnect_descriptor" |
| UFS_DIR_NAME_6="attributes" |
| UFS_DIR_NAME_7="power" |
| UFS_DIR_NAME_8="" |
| UFS_DIR_NAME_MAX=8 |
| |
| # get_ssd_model - Return the model name of an ATA device. |
| # |
| # inputs: |
| # output of hdparm -i command. |
| # |
| # outputs: |
| # the model name of the device, sanitized of space and punctuation. |
| get_ssd_model() { |
| echo "$1" | sed -e "s/^.*Model=//g" -e "s/,.*//g" -e "s/ /_/g" |
| } |
| |
| # get_ssd_version - Return the firmware version of an ATA device. |
| # |
| # inputs: |
| # output of hdparm -i command. |
| # |
| # outputs: |
| # the version of the device firmware, sanitized of space and punctuation. |
| get_ssd_version() { |
| echo "$1" | sed -e "s/^.*FwRev=//g" -e "s/,.*//g" -e "s/ /_/g" |
| } |
| |
| # is_blacklist - helper function for is_ssd_blacklist. |
| # |
| # inputs: |
| # the information from the device. |
| # the blacklist element to match against. |
| is_blacklist() { |
| echo "$1" | grep -Eq "$2" |
| } |
| |
| # is_ssd_blacklist - Return true is the device is blacklisted. |
| # |
| # inputs: |
| # model : model of the ATA device. |
| # version : ATA device firmware version. |
| # |
| # outputs: |
| # True if the device belongs into the script blacklist. |
| # When an ATA device is in the blacklist, only a subset of the ATA SMART |
| # output is displayed. |
| is_ssd_blacklist() { |
| local model="$1" |
| local version="$2" |
| local model_blacklist |
| local version_blacklist |
| local i |
| |
| for i in $(seq 0 ${BLACKLIST_MAX}); do |
| eval model_blacklist=\${MODEL_BLACKLIST_${i}} |
| if is_blacklist "${model}" "${model_blacklist}"; then |
| eval version_blacklist=\${VERSION_BLACKLIST_${i}} |
| if is_blacklist "${version}" "${version_blacklist}"; then |
| return 0 |
| fi |
| fi |
| done |
| return 1 |
| } |
| |
| # print_ssd_info - Print SATA device information |
| # |
| # inputs: |
| # device name for instance sdb. |
| print_ssd_info() { |
| # BUG: On some machines, smartctl -x causes SSD error (crbug.com/328587). |
| # We need to check model and firmware version of the SSD to avoid this bug. |
| |
| # SSD model and firmware version is on the same line in hdparm result. |
| local hdparm_result="$(hdparm -i "/dev/$1" | grep "Model=")" |
| local model="$(get_ssd_model "${hdparm_result}")" |
| local version="$(get_ssd_version "${hdparm_result}")" |
| local ssd_cmd |
| local i |
| |
| if is_ssd_blacklist "${model}" "${version}"; then |
| SSD_CMD_1=${SSD_CMD_1_ALTERNATE} |
| else |
| SSD_CMD_1=${SSD_CMD_1_NORMAL} |
| fi |
| |
| for i in $(seq 0 ${SSD_CMD_MAX}); do |
| # Use eval for variable indirection. |
| eval ssd_cmd=\${SSD_CMD_${i}} |
| echo "$ ${ssd_cmd} /dev/$1" |
| ${ssd_cmd} "/dev/$1" |
| echo "" |
| done |
| } |
| |
| # print_mmc_info - Print eMMC device information |
| # |
| # inputs: |
| # device name for instance mmcblk0. |
| print_mmc_info() { |
| local mmc_name |
| local mmc_path |
| local mmc_result |
| local i |
| |
| for i in $(seq 0 ${MMC_NAME_MAX}); do |
| eval mmc_name=\${MMC_NAME_${i}} |
| mmc_path="/sys/block/$1/device/${mmc_name}" |
| mmc_result="$(cat "${mmc_path}" 2>/dev/null)" |
| printf "%-20s | %s\n" "${mmc_name}" "${mmc_result}" |
| done |
| |
| mmc extcsd read "/dev/$1" |
| } |
| |
| # print_nvme - Print NVMe device information |
| # |
| # inputs: |
| # device name for instance nvme0n1. |
| print_nvme_info() { |
| local nvme_cmd |
| local mvme_dev="/dev/$1" |
| local i |
| |
| for i in $(seq 0 ${NVME_CMD_MAX}); do |
| # Use eval for variable indirection. |
| eval nvme_cmd=\${NVME_CMD_${i}} |
| echo "$ ${nvme_cmd} ${mvme_dev}" |
| ${nvme_cmd} "${mvme_dev}" |
| echo "" |
| done |
| } |
| |
| # print_ufs_info - Print UFS device information |
| # |
| # inputs: |
| # device name for instance sdb. |
| print_ufs_info() { |
| local dev="$1" |
| local ufs_dir |
| local ufs_name |
| local ufs_path |
| local ufs_result |
| local i |
| local file |
| |
| ufs_dir="$(readlink -f "/sys/block/${dev}")" |
| |
| while true; do |
| case "$(basename "${ufs_dir}")" in |
| *ufs*) |
| break |
| ;; |
| *) |
| ufs_dir="$(dirname "${ufs_dir}")" |
| ;; |
| esac |
| done |
| |
| echo "/sys/block/$1" |
| for i in $(seq 0 ${UFS_DIR_NAME_MAX}); do |
| eval ufs_name=\${UFS_DIR_NAME_${i}} |
| ufs_path="${ufs_dir}/${ufs_name}" |
| echo "${ufs_path}" |
| find "${ufs_path}" -maxdepth 1 -type f -not -name uevent \ |
| -exec grep ^ {} + | cut -b"${#ufs_path}-" | \ |
| cut -f2 -d"/" |
| echo "" |
| done |
| } |
| |
| # get_storage_info - Print device information. |
| # |
| # Print device information for all fixed devices in the system. |
| get_storage_info() { |
| local dev |
| |
| for dev in $(list_fixed_ata_disks); do |
| print_ssd_info "${dev}" |
| done |
| |
| for dev in $(list_fixed_mmc_disks); do |
| print_mmc_info "${dev}" |
| done |
| |
| for dev in $(list_fixed_nvme_disks); do |
| print_nvme_info "${dev}" |
| done |
| |
| for dev in $(list_fixed_ufs_disks); do |
| print_ufs_info "${dev}" |
| done |
| } |