3 blkzone=$(type -p blkzone 2>/dev/null)
4 sg_inq=$(type -p sg_inq 2>/dev/null)
5 zbc_report_zones=$(type -p zbc_report_zones 2>/dev/null)
6 zbc_reset_zone=$(type -p zbc_reset_zone 2>/dev/null)
7 zbc_info=$(type -p zbc_info 2>/dev/null)
8 if [ -z "${blkzone}" ] &&
9 { [ -z "${zbc_report_zones}" ] || [ -z "${zbc_reset_zone}" ]; }; then
10 echo "Error: neither blkzone nor zbc_report_zones is available"
14 if [ -n "${use_libzbc}" ] &&
15 { [ -z "${zbc_report_zones}" ] || [ -z "${zbc_reset_zone}" ] ||
16 [ -z "${zbc_info}" ]; }; then
17 echo "Error: zbc_report_zones, or zbc_reset_zone or zbc_info is not available"
18 echo "Error: reinstall libzbc tools"
22 blkzone_reports_capacity() {
25 [[ -n "${blkzone}" ]] &&
26 "${blkzone}" report -c 1 -o 0 "${dev}" | grep -q 'cap '
29 # Whether or not $1 (/dev/...) is a NVME ZNS device.
33 s=/sys/block/$(basename "${1}")/device/subsystem
35 if [[ ! -h "${s}" || $(realpath "${s}") != /sys/class/nvme ]]; then
39 [[ $(</sys/block/$(basename "${1}")/queue/zoned) == host-managed ]]
42 # Whether or not $1 (/dev/...) is a null_blk device with zone capacity smaller
44 is_nullb_with_zone_cap() {
47 f=/sys/kernel/config/nullb/$(basename "${1}")
48 [[ -r "${f}/zone_capacity" &&
49 $(<"${f}/zone_capacity") -lt $(<"${f}/zone_size") ]]
52 # Check if blkzone is available and suitable for the test target device. If not
53 # available, print error message and return 1. Otherwise return 0.
57 # If the device supports zone capacity, mandate zone capacity report by
59 if (is_nvme_zns "${dev}" || is_nullb_with_zone_cap "${dev}") &&
60 ! blkzone_reports_capacity "${dev}"; then
61 echo "Error: blkzone does not report zone capacity"
62 echo "Error: install latest util-linux with blkzone"
67 # Check zone capacity of each zone and report block size aligned to the zone
68 # capacities. If zone capacity is same as zone size for zones, report zone size.
71 local zone_size="${2}"
72 local sed_str='s/.*len \([0-9A-Za-z]*\), cap \([0-9A-Za-z]*\).*/\1 \2/p'
73 local cap bs="$zone_size"
75 # When blkzone command is neither available nor relevant to the
76 # test device, or when blkzone command does not report capacity,
77 # assume that zone capacity is same as zone size for all zones.
78 if [ -z "${blkzone}" ] || [ -z "$is_zbd" ] || [ -c "$dev" ] ||
79 ! blkzone_reports_capacity "${dev}"; then
84 while read -r -a line; do
85 ((line[0] == line[1])) && continue
86 cap=$((line[1] * 512))
87 while ((bs > 512 && cap % bs)); do
90 done < <(blkzone report "${dev}" | sed -n "${sed_str}")
95 # Reports the starting sector and length of the first sequential zone of device
97 first_sequential_zone() {
100 if [ -n "${blkzone}" ] && [ ! -n "${use_libzbc}" ]; then
101 ${blkzone} report "$dev" |
102 sed -n 's/^[[:blank:]]*start:[[:blank:]]\([0-9a-zA-Z]*\),[[:blank:]]len[[:blank:]]\([0-9a-zA-Z]*\),.*zcond:\(14\|[[:blank:]][0-4]\)(.*type:[[:blank:]]\([2]\)(.*/\1 \2/p' |
104 read -r starting_sector length &&
105 # Convert from hex to decimal
106 echo $((starting_sector)) $((length))
109 ${zbc_report_zones} "$dev" |
110 sed -n 's/^Zone [0-9]*: type 0x2 .*,[[:blank:]]cond[[:blank:]]0x[0-4e][[:blank:]].*, sector \([0-9]*\), \([0-9]*\) sectors.*$/\1 \2/p' |
115 # Reports the summed zone capacity of $1 number of zones starting from offset $2
117 total_zone_capacity() {
119 local sector=$(($2 / 512))
124 if [ -z "$is_zbd" ]; then
125 # For regular block devices, handle zone size as zone capacity.
126 echo $((zone_size * nr_zones))
130 if [ -n "${blkzone}" ] && [ ! -n "${use_libzbc}" ]; then
131 if blkzone_reports_capacity "${dev}"; then
132 grep_str='cap \K[0-9a-zA-Z]*'
134 # If zone capacity is not reported, refer zone length.
135 grep_str='len \K[0-9a-zA-Z]*'
138 capacity=$((capacity + num))
139 done < <(${blkzone} report -c "$nr_zones" -o "$sector" "$dev" |
140 grep -Po "${grep_str}")
142 # ZBC devices do not have zone capacity. Use zone size.
144 capacity=$((capacity + num))
145 done < <(${zbc_report_zones} -nz "$nr_zones" -start "$sector" \
146 "$dev" | grep -Po 'sector [0-9]*, \K[0-9]*')
149 echo $((capacity * 512))
152 # Reports the starting sector and length of the first zone of device $1
153 # that is not in offline (or similar) condition.
154 first_online_zone() {
157 if [ -z "$is_zbd" ]; then
162 if [ -n "${blkzone}" ] && [ ! -n "${use_libzbc}" ]; then
163 ${blkzone} report "$dev" |
164 sed -n 's/^[[:blank:]]*start:[[:blank:]]\([0-9a-zA-Z]*\),[[:blank:]]len[[:blank:]]\([0-9a-zA-Z]*\),.*zcond:\(14\|[[:blank:]][0-4]\)(.*type:[[:blank:]][12](.*/\1/p' |
167 read -r starting_sector &&
168 # Convert from hex to decimal
169 echo $((starting_sector))
172 ${zbc_report_zones} "$dev" |
173 sed -n 's/^Zone[[:blank:]][0-9]*:[[:blank:]]type[[:blank:]]0x[12][[:blank:]].*,[[:blank:]]cond[[:blank:]]0x[0-4e][[:blank:]].*,[[:blank:]]sector[[:blank:]]\([0-9]*\),.*$/\1/p' |
178 # Reports the starting sector and length of the last zone of device $1
179 # that is not in offline (or similar) condition.
183 if [ -z "$is_zbd" ]; then
188 if [ -n "${blkzone}" ] && [ ! -n "${use_libzbc}" ]; then
189 ${blkzone} report "$dev" |
190 sed -n 's/^[[:blank:]]*start:[[:blank:]]\([0-9a-zA-Z]*\),[[:blank:]]len[[:blank:]]\([0-9a-zA-Z]*\),.*zcond:\(14\|[[:blank:]][0-4]\)(.*type:[[:blank:]][12](.*/\1/p' |
193 read -r starting_sector &&
194 # Convert from hex to decimal
195 echo $((starting_sector))
198 ${zbc_report_zones} "$dev" |
199 sed -n 's/^Zone[[:blank:]][0-9]*:[[:blank:]]type[[:blank:]]0x[12][[:blank:]].*,[[:blank:]]cond[[:blank:]]0x[0-4e][[:blank:]].*,[[:blank:]]sector[[:blank:]]\([0-9]*\),.*$/\1/p' |
204 # Get max_open_zones of SMR drives using sg_inq or libzbc tools. Two test cases
205 # 31 and 32 use this max_open_zones value. The test case 31 uses max_open_zones
206 # to decide number of write target zones. The test case 32 passes max_open_zones
207 # value to fio with --max_open_zones option. Of note is that fio itself has the
208 # feature to get max_open_zones from the device through sysfs or ioengine
209 # specific implementation. This max_open_zones fetch by test script is required
210 # in case fio is running on an old Linux kernel version which lacks
211 # max_open_zones in sysfs, or which lacks zoned block device support completely.
215 if [ -n "${sg_inq}" ] && [ ! -n "${use_libzbc}" ]; then
216 if ! ${sg_inq} -e --page=0xB6 --len=20 --hex "$dev" \
217 > /dev/null 2>&1; then
218 # When sg_inq can not get max open zones, specify 0 which indicates
219 # fio to get max open zones limit from the device.
222 ${sg_inq} -e --page=0xB6 --len=20 --hex "$dev" | tail -1 |
224 read -r offset b0 b1 b2 b3 trailer || return $?
225 # Convert from hex to decimal
226 max_nr_open_zones=$((0x${b0}))
227 max_nr_open_zones=$((max_nr_open_zones * 256 + 0x${b1}))
228 max_nr_open_zones=$((max_nr_open_zones * 256 + 0x${b2}))
229 max_nr_open_zones=$((max_nr_open_zones * 256 + 0x${b3}))
230 echo ${max_nr_open_zones}
233 elif [ -n "${use_libzbc}" ]; then
234 ${zbc_report_zones} "$dev" |
235 sed -n 's/^[[:blank:]]*Maximum number of open sequential write required zones:[[:blank:]]*//p'
241 # Get minimum block size to write to seq zones. Refer the sysfs attribute
242 # zone_write_granularity which shows the valid minimum size regardless of zoned
243 # block device type. If the sysfs attribute is not available, refer physical
244 # block size for rotational SMR drives. For non-rotational devices such as ZNS
245 # devices, refer logical block size.
246 min_seq_write_size() {
247 local sys_path="/sys/block/$1/queue"
250 if [[ -r "$sys_path/zone_write_granularity" ]]; then
251 size=$(<"$sys_path/zone_write_granularity")
256 elif (($(<"$sys_path/rotational"))); then
257 cat "$sys_path/physical_block_size"
259 cat "$sys_path/logical_block_size"
266 [[ -z "$(${zbc_info} "$dev" | grep "is not a zoned block device")" ]]
269 zbc_physical_block_size() {
273 grep "physical blocks" |
274 sed -n 's/^[[:blank:]]*[0-9]* physical blocks of[[:blank:]]*//p' |
282 grep "512-bytes sectors" |
283 sed -e 's/[[:blank:]]*\([0-9]*\)512-bytes sectors.*/\1/'
286 # Reset the write pointer of one zone on device $1 at offset $2. The offset
287 # must be specified in units of 512 byte sectors. Offset -1 means reset all
290 local dev=$1 offset=$2 sectors
292 if [ -n "${blkzone}" ] && [ ! -n "${use_libzbc}" ]; then
293 if [ "$offset" -lt 0 ]; then
294 ${blkzone} reset "$dev"
296 ${blkzone} reset -o "${offset}" -c 1 "$dev"
299 if [ "$offset" -lt 0 ]; then
300 ${zbc_reset_zone} -all "$dev" >/dev/null
302 ${zbc_reset_zone} -sector "$dev" "${offset}" >/dev/null
307 # Extract the number of bytes that have been transferred from a line like
308 # READ: bw=6847KiB/s (7011kB/s), 6847KiB/s-6847KiB/s (7011kB/s-7011kB/s), io=257MiB (269MB), run=38406-38406msec
310 sed -n 's/^[[:blank:]]*'"$1"'.*, io=\([^[:blank:]]*\).*/\1/p' |
314 # Parse <number>.<number><suffix> into n1, n2 and s. See also
317 n1=${io%${io##*([0-9])}}
318 s=${io#${io%%*([a-zA-Z])}}
330 [ -n "$n1" ] || return 1
331 echo $(((n1 << m) + (n2 << m) / 1000))
346 count=$(sed -n 's/^.*write:[^;]*; \([0-9]*\) zone resets$/\1/p')