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_close_zone=$(type -p zbc_close_zone 2>/dev/null)
8 zbc_info=$(type -p zbc_info 2>/dev/null)
9 if [ -z "${blkzone}" ] &&
10 { [ -z "${zbc_report_zones}" ] || [ -z "${zbc_reset_zone}" ]; }; then
11 echo "Error: neither blkzone nor zbc_report_zones is available"
15 if [ -n "${use_libzbc}" ] &&
16 { [ -z "${zbc_report_zones}" ] || [ -z "${zbc_reset_zone}" ] ||
17 [ -z "${zbc_info}" ]; }; then
18 echo "Error: zbc_report_zones, or zbc_reset_zone or zbc_info is not available"
19 echo "Error: reinstall libzbc tools"
23 blkzone_reports_capacity() {
26 [[ -n "${blkzone}" ]] &&
27 "${blkzone}" report -c 1 -o 0 "${dev}" | grep -q 'cap '
30 # Whether or not $1 (/dev/...) is a NVME ZNS device.
34 s=/sys/block/$(basename "${1}")/device/subsystem
36 if [[ ! -h "${s}" || $(realpath "${s}") != /sys/class/nvme ]]; then
40 [[ $(</sys/block/$(basename "${1}")/queue/zoned) == host-managed ]]
43 # Whether or not $1 (/dev/...) is a null_blk device with zone capacity smaller
45 is_nullb_with_zone_cap() {
48 f=/sys/kernel/config/nullb/$(basename "${1}")
49 [[ -r "${f}/zone_capacity" &&
50 $(<"${f}/zone_capacity") -lt $(<"${f}/zone_size") ]]
53 # Check if blkzone is available and suitable for the test target device. If not
54 # available, print error message and return 1. Otherwise return 0.
58 # If the device supports zone capacity, mandate zone capacity report by
60 if (is_nvme_zns "${dev}" || is_nullb_with_zone_cap "${dev}") &&
61 ! blkzone_reports_capacity "${dev}"; then
62 echo "Error: blkzone does not report zone capacity"
63 echo "Error: install latest util-linux with blkzone"
68 # Check zone capacity of each zone and report block size aligned to the zone
69 # capacities. If zone capacity is same as zone size for zones, report zone size.
72 local zone_size="${2}"
73 local sed_str='s/.*len \([0-9A-Za-z]*\), cap \([0-9A-Za-z]*\).*/\1 \2/p'
74 local cap bs="$zone_size"
76 # When blkzone command is neither available nor relevant to the
77 # test device, or when blkzone command does not report capacity,
78 # assume that zone capacity is same as zone size for all zones.
79 if [ -z "${blkzone}" ] || [ -z "$is_zbd" ] || [ -c "$dev" ] ||
80 ! blkzone_reports_capacity "${dev}"; then
85 while read -r -a line; do
86 ((line[0] == line[1])) && continue
87 cap=$((line[1] * 512))
88 while ((bs > 512 && cap % bs)); do
91 done < <(blkzone report "${dev}" | sed -n "${sed_str}")
96 # Reports the starting sector and length of the first sequential zone of device
98 first_sequential_zone() {
101 if [ -n "${blkzone}" ] && [ ! -n "${use_libzbc}" ]; then
102 ${blkzone} report "$dev" |
103 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' |
105 read -r starting_sector length &&
106 # Convert from hex to decimal
107 echo $((starting_sector)) $((length))
110 ${zbc_report_zones} "$dev" |
111 sed -n 's/^Zone [0-9]*: type 0x2 .*,[[:blank:]]cond[[:blank:]]0x[0-4e][[:blank:]].*, sector \([0-9]*\), \([0-9]*\) sectors.*$/\1 \2/p' |
116 # Reports the summed zone capacity of $1 number of zones starting from offset $2
118 total_zone_capacity() {
120 local sector=$(($2 / 512))
125 if [ -z "$is_zbd" ]; then
126 # For regular block devices, handle zone size as zone capacity.
127 echo $((zone_size * nr_zones))
131 if [ -n "${blkzone}" ] && [ ! -n "${use_libzbc}" ]; then
132 if blkzone_reports_capacity "${dev}"; then
133 grep_str='cap \K[0-9a-zA-Z]*'
135 # If zone capacity is not reported, refer zone length.
136 grep_str='len \K[0-9a-zA-Z]*'
139 capacity=$((capacity + num))
140 done < <(${blkzone} report -c "$nr_zones" -o "$sector" "$dev" |
141 grep -Po "${grep_str}")
143 # ZBC devices do not have zone capacity. Use zone size.
145 capacity=$((capacity + num))
146 done < <(${zbc_report_zones} -nz "$nr_zones" -start "$sector" \
147 "$dev" | grep -Po 'sector [0-9]*, \K[0-9]*')
150 echo $((capacity * 512))
153 # Reports the starting sector and length of the first zone of device $1
154 # that is not in offline (or similar) condition.
155 first_online_zone() {
158 if [ -z "$is_zbd" ]; then
163 if [ -n "${blkzone}" ] && [ ! -n "${use_libzbc}" ]; then
164 ${blkzone} report "$dev" |
165 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' |
168 read -r starting_sector &&
169 # Convert from hex to decimal
170 echo $((starting_sector))
173 ${zbc_report_zones} "$dev" |
174 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' |
179 # Reports the starting sector and length of the last zone of device $1
180 # that is not in offline (or similar) condition.
184 if [ -z "$is_zbd" ]; then
189 if [ -n "${blkzone}" ] && [ ! -n "${use_libzbc}" ]; then
190 ${blkzone} report "$dev" |
191 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' |
194 read -r starting_sector &&
195 # Convert from hex to decimal
196 echo $((starting_sector))
199 ${zbc_report_zones} "$dev" |
200 sed -n 's/^Zone[[:blank:]][0-9]*:[[:blank:]]type[[:blank:]]0x[12][[:blank:]].*,[[:blank:]]cond[[:blank:]]0x[0-4e][[:blank:]].*,[[:blank:]]sector[[:blank:]]\([0-9]*\),.*$/\1/p' |
205 # Get max_open_zones of SMR drives using sg_inq or libzbc tools. Two test cases
206 # 31 and 32 use this max_open_zones value. The test case 31 uses max_open_zones
207 # to decide number of write target zones. The test case 32 passes max_open_zones
208 # value to fio with --max_open_zones option. Of note is that fio itself has the
209 # feature to get max_open_zones from the device through sysfs or ioengine
210 # specific implementation. This max_open_zones fetch by test script is required
211 # in case fio is running on an old Linux kernel version which lacks
212 # max_open_zones in sysfs, or which lacks zoned block device support completely.
215 local realdev syspath
217 realdev=$(readlink -f "$dev")
218 syspath=/sys/block/${realdev##*/}/queue/max_open_zones
220 if [ -b "${realdev}" ] && [ -r "${syspath}" ]; then
222 elif [ -n "${sg_inq}" ] && [ ! -n "${use_libzbc}" ]; then
223 if ! ${sg_inq} -e --page=0xB6 --len=20 --hex "$dev" \
224 > /dev/null 2>&1; then
225 # When sg_inq can not get max open zones, specify 0 which indicates
226 # fio to get max open zones limit from the device.
229 ${sg_inq} -e --page=0xB6 --len=20 --hex "$dev" | tail -1 |
231 read -r offset b0 b1 b2 b3 trailer || return $?
232 # Convert from hex to decimal
233 max_nr_open_zones=$((0x${b0}))
234 max_nr_open_zones=$((max_nr_open_zones * 256 + 0x${b1}))
235 max_nr_open_zones=$((max_nr_open_zones * 256 + 0x${b2}))
236 max_nr_open_zones=$((max_nr_open_zones * 256 + 0x${b3}))
237 echo ${max_nr_open_zones}
240 elif [ -n "${use_libzbc}" ]; then
241 ${zbc_report_zones} "$dev" |
242 sed -n 's/^[[:blank:]]*Maximum number of open sequential write required zones:[[:blank:]]*//p'
248 # If sysfs provides, get max_active_zones limit of the zoned block device.
251 local sys_queue="/sys/block/${dev##*/}/queue/"
253 if [[ -e "$sys_queue/max_active_zones" ]]; then
254 cat "$sys_queue/max_active_zones"
260 # Get minimum block size to write to seq zones. Refer the sysfs attribute
261 # zone_write_granularity which shows the valid minimum size regardless of zoned
262 # block device type. If the sysfs attribute is not available, refer physical
263 # block size for rotational SMR drives. For non-rotational devices such as ZNS
264 # devices, refer logical block size.
265 min_seq_write_size() {
266 local sys_path="/sys/block/$1/queue"
269 if [[ -r "$sys_path/zone_write_granularity" ]]; then
270 size=$(<"$sys_path/zone_write_granularity")
275 elif (($(<"$sys_path/rotational"))); then
276 cat "$sys_path/physical_block_size"
278 cat "$sys_path/logical_block_size"
285 [[ -z "$(${zbc_info} "$dev" | grep "is not a zoned block device")" ]]
288 zbc_physical_block_size() {
292 grep "physical blocks" |
293 sed -n 's/^[[:blank:]]*[0-9]* physical blocks of[[:blank:]]*//p' |
301 grep "512-bytes sectors" |
302 sed -e 's/[[:blank:]]*\([0-9]*\)512-bytes sectors.*/\1/'
305 # Reset the write pointer of one zone on device $1 at offset $2. The offset
306 # must be specified in units of 512 byte sectors. Offset -1 means reset all
309 local dev=$1 offset=$2 sectors
311 if [ -n "${blkzone}" ] && [ ! -n "${use_libzbc}" ]; then
312 if [ "$offset" -lt 0 ]; then
313 ${blkzone} reset "$dev"
315 ${blkzone} reset -o "${offset}" -c 1 "$dev"
318 if [ "$offset" -lt 0 ]; then
319 ${zbc_reset_zone} -all "$dev" >/dev/null
321 ${zbc_reset_zone} -sector "$dev" "${offset}" >/dev/null
326 # Close the zone on device $1 at offset $2. The offset must be specified in
327 # units of 512 byte sectors.
329 local dev=$1 offset=$2
331 if [ -n "${blkzone}" ] && [ -z "${use_libzbc}" ]; then
332 ${blkzone} close -o "${offset}" -c 1 "$dev"
334 ${zbc_close_zone} -sector "$dev" "${offset}" >/dev/null
338 # Extract the number of bytes that have been transferred from a line like
339 # READ: bw=6847KiB/s (7011kB/s), 6847KiB/s-6847KiB/s (7011kB/s-7011kB/s), io=257MiB (269MB), run=38406-38406msec
341 sed -n 's/^[[:blank:]]*'"$1"'.*, io=\([^[:blank:]]*\).*/\1/p' |
345 # Parse <number>.<number><suffix> into n1, n2 and s. See also
348 n1=${io%${io##*([0-9])}}
349 s=${io#${io%%*([a-zA-Z])}}
361 [ -n "$n1" ] || return 1
362 echo $(((n1 << m) + (n2 << m) / 1000))
377 count=$(sed -n 's/^.*write:[^;]*; \([0-9]*\) zone resets$/\1/p')