These scripts can be run e.g. as follows:
t/zbd/run-tests-against-zoned-nullb &&
t/zbd/run-tests-against-regular-nullb &&
t/zbd/test-zbd-support /dev/disk/by-id/scsi-SHGST_HSH721414AL52M0_VEG007HG &&
echo All tests passed
Signed-off-by: Bart Van Assche <bart.vanassche@xxxxxxx>
---
t/zbd/functions | 106 ++++
t/zbd/run-tests-against-regular-nullb | 25 +
t/zbd/run-tests-against-zoned-nullb | 27 +
t/zbd/test-zbd-support | 799 ++++++++++++++++++++++++++
4 files changed, 957 insertions(+)
create mode 100644 t/zbd/functions
create mode 100755 t/zbd/run-tests-against-regular-nullb
create mode 100755 t/zbd/run-tests-against-zoned-nullb
create mode 100755 t/zbd/test-zbd-support
diff --git a/t/zbd/functions b/t/zbd/functions
new file mode 100644
index 000000000000..95f9bf456b9a
--- /dev/null
+++ b/t/zbd/functions
@@ -0,0 +1,106 @@
+#!/bin/bash
+
+# To do: switch to blkzone once blkzone reset works correctly.
+blkzone=
+#blkzone=$(type -p blkzone 2>/dev/null)
+zbc_report_zones=$(type -p zbc_report_zones 2>/dev/null)
+zbc_reset_zone=$(type -p zbc_reset_zone 2>/dev/null)
+if [ -z "${blkzone}" ] &&
+ { [ -z "${zbc_report_zones}" ] || [ -z "${zbc_reset_zone}" ]; }; then
+ echo "Error: neither blkzone nor zbc_report_zones is available"
+ exit 1
+fi
+
+# Reports the starting sector and length of the first sequential zone of device
+# $1.
+first_sequential_zone() {
+ local dev=$1
+
+ if [ -n "${blkzone}" ]; then
+ ${blkzone} report "$dev" |
+ sed -n 's/^[[:blank:]]*start:[[:blank:]]\([0-9a-zA-Z]*\),[[:blank:]]len[[:blank:]]\([0-9a-zA-Z]*\),.*type:[[:blank:]]2(.*/\1 \2/p' |
+ {
+ read -r starting_sector length &&
+ # Convert from hex to decimal
+ echo $((starting_sector)) $((length))
+ }
+ else
+ ${zbc_report_zones} "$dev" |
+ sed -n 's/^Zone [0-9]*: type 0x2 .*, sector \([0-9]*\), \([0-9]*\) sectors,.*$/\1 \2/p' |
+ head -n1
+ fi
+}
+
+max_open_zones() {
+ local dev=$1
+
+ if [ -n "${blkzone}" ]; then
+ # To do: query the maximum number of open zones using sg_raw
+ return 1
+ else
+ ${zbc_report_zones} "$dev" |
+ sed -n 's/^[[:blank:]]*Maximum number of open sequential write required zones:[[:blank:]]*//p'
+ fi
+}
+
+# Reset the write pointer of one zone on device $1 at offset $2. The offset
+# must be specified in units of 512 byte sectors. Offset -1 means reset all
+# zones.
+reset_zone() {
+ local dev=$1 offset=$2 sectors
+
+ if [ -n "${blkzone}" ]; then
+ if [ "$offset" -lt 0 ]; then
+ sectors=$(<"/sys/class/block/${dev#/dev/}/size")
+ ${blkzone} reset -o "${offset}" -l "$sectors" "$dev"
+ else
+ ${blkzone} reset -o "${offset}" -c 1 "$dev"
+ fi
+ else
+ if [ "$offset" -lt 0 ]; then
+ ${zbc_reset_zone} -all "$dev" "${offset}" >/dev/null
+ else
+ ${zbc_reset_zone} -sector "$dev" "${offset}" >/dev/null
+ fi
+ fi
+}
+
+# Extract the number of bytes that have been transferred from a line like
+# READ: bw=6847KiB/s (7011kB/s), 6847KiB/s-6847KiB/s (7011kB/s-7011kB/s), io=257MiB (269MB), run=38406-38406msec
+fio_io() {
+ sed -n 's/^[[:blank:]]*'"$1"'.*, io=\([^[:blank:]]*\).*/\1/p' |
+ tail -n 1 |
+ (
+ read -r io;
+ # Parse <number>.<number><suffix> into n1, n2 and s. See also
+ # num2str().
+ shopt -s extglob
+ n1=${io%${io##*([0-9])}}
+ s=${io#${io%%*([a-zA-Z])}}
+ n2=${io#${n1}}
+ n2=${n2#.}
+ n2=${n2%$s}000
+ n2=${n2:0:3}
+ case "$s" in
+ KiB) m=10;;
+ MiB) m=20;;
+ GiB) m=30;;
+ B) m=0;;
+ *) return 1;;
+ esac
+ [ -n "$n1" ] || return 1
+ echo $(((n1 << m) + (n2 << m) / 1000))
+ )
+}
+
+fio_read() {
+ fio_io 'READ:'
+}
+
+fio_written() {
+ fio_io 'WRITE:'
+}
+
+fio_reset_count() {
+ sed -n 's/^.*write:[^;]*; \([0-9]*\) zone resets$/\1/p'
+}
diff --git a/t/zbd/run-tests-against-regular-nullb b/t/zbd/run-tests-against-regular-nullb
new file mode 100755
index 000000000000..133c7c412f48
--- /dev/null
+++ b/t/zbd/run-tests-against-regular-nullb
@@ -0,0 +1,25 @@
+#!/bin/bash
+#
+# Copyright (C) 2018 Western Digital Corporation or its affiliates.
+#
+# This file is released under the GPL.
+
+for d in /sys/kernel/config/nullb/*; do [ -d "$d" ] && rmdir "$d"; done
+modprobe -r null_blk
+modprobe null_blk nr_devices=0 || return $?
+for d in /sys/kernel/config/nullb/*; do
+ [ -d "$d" ] && rmdir "$d"
+done
+modprobe -r null_blk
+[ -e /sys/module/null_blk ] && exit $?
+modprobe null_blk nr_devices=0 &&
+ cd /sys/kernel/config/nullb &&
+ mkdir nullb0 &&
+ cd nullb0 &&
+ echo 0 > completion_nsec &&
+ echo 4096 > blocksize &&
+ echo 1024 > size &&
+ echo 1 > memory_backed &&
+ echo 1 > power
+
+"$(dirname "$0")"/test-zbd-support "$@" /dev/nullb0
diff --git a/t/zbd/run-tests-against-zoned-nullb b/t/zbd/run-tests-against-zoned-nullb
new file mode 100755
index 000000000000..7d9eb439a445
--- /dev/null
+++ b/t/zbd/run-tests-against-zoned-nullb
@@ -0,0 +1,27 @@
+#!/bin/bash
+#
+# Copyright (C) 2018 Western Digital Corporation or its affiliates.
+#
+# This file is released under the GPL.
+
+for d in /sys/kernel/config/nullb/*; do [ -d "$d" ] && rmdir "$d"; done
+modprobe -r null_blk
+modprobe null_blk nr_devices=0 || return $?
+for d in /sys/kernel/config/nullb/*; do
+ [ -d "$d" ] && rmdir "$d"
+done
+modprobe -r null_blk
+[ -e /sys/module/null_blk ] && exit $?
+modprobe null_blk nr_devices=0 &&
+ cd /sys/kernel/config/nullb &&
+ mkdir nullb0 &&
+ cd nullb0 &&
+ echo 1 > zoned &&
+ echo 1 > zone_size &&
+ echo 0 > completion_nsec &&
+ echo 4096 > blocksize &&
+ echo 1024 > size &&
+ echo 1 > memory_backed &&
+ echo 1 > power
+
+"$(dirname "$0")"/test-zbd-support "$@" /dev/nullb0
diff --git a/t/zbd/test-zbd-support b/t/zbd/test-zbd-support
new file mode 100755
index 000000000000..991d3ee382dc
--- /dev/null
+++ b/t/zbd/test-zbd-support
@@ -0,0 +1,799 @@
+#!/bin/bash
+#
+# Copyright (C) 2018 Western Digital Corporation or its affiliates.
+#
+# This file is released under the GPL.
+
+usage() {
+ echo "Usage: $(basename "$0") [-d] [-e] [-r] [-v] [-t <test>] <SMR drive device node>"
+}
+
+max() {
+ if [ "$1" -gt "$2" ]; then
+ echo "$1"
+ else
+ echo "$2"
+ fi
+}
+
+min() {
+ if [ "$1" -lt "$2" ]; then
+ echo "$1"
+ else
+ echo "$2"
+ fi
+}
+
+set_io_scheduler() {
+ local dev=$1 sched=$2
+
+ [ -e "/sys/block/$dev" ] || return $?
+ if [ -e "/sys/block/$dev/mq" ]; then
+ case "$sched" in
+ noop) sched=none;;
+ deadline) sched=mq-deadline;;
+ esac
+ else
+ case "$sched" in
+ none) sched=noop;;
+ mq-deadline) sched=deadline;;
+ esac
+ fi
+
+ echo "$sched" >"/sys/block/$dev/queue/scheduler"
+}
+
+check_read() {
+ local read
+
+ read=$(fio_read <"${logfile}.${test_number}")
+ echo "read: $read <> $1" >> "${logfile}.${test_number}"
+ [ "$read" = "$1" ]
+}
+
+check_written() {
+ local written
+
+ written=$(fio_written <"${logfile}.${test_number}")
+ echo "written: $written <> $1" >> "${logfile}.${test_number}"
+ [ "$written" = "$1" ]
+}
+
+# Compare the reset count from the log file with reset count $2 using operator
+# $1 (=, -ge, -gt, -le, -lt).
+check_reset_count() {
+ local reset_count
+
+ reset_count=$(fio_reset_count <"${logfile}.${test_number}")
+ echo "reset_count: test $reset_count $1 $2" >> "${logfile}.${test_number}"
+ eval "[ '$reset_count' '$1' '$2' ]"
+}
+
+# Whether or not $1 (/dev/...) is a SCSI device.
+is_scsi_device() {
+ local d f
+
+ d=$(basename "$dev")
+ for f in /sys/class/scsi_device/*/device/block/"$d"; do
+ [ -e "$f" ] && return 0
+ done
+ return 1
+}
+
+run_fio() {
+ local fio
+
+ fio=$(dirname "$0")/../../fio
+
+ { echo; echo "fio $*"; echo; } >>"${logfile}.${test_number}"
+
+ "${dynamic_analyzer[@]}" "$fio" "$@"
+}
+
+run_one_fio_job() {
+ local r
+
+ r=$(((RANDOM << 16) | RANDOM))
+ run_fio --name="$dev" --filename="$dev" "$@" --randseed="$r" \
+ --thread=1 --direct=1
+}
+
+# Run fio on the first four sequential zones of the disk.
+run_fio_on_seq() {
+ local opts=()
+
+ opts+=("--offset=$((first_sequential_zone_sector * 512))")
+ opts+=("--size=$((4 * zone_size))" "--zonemode=zbd")
+ if [ -z "$is_zbd" ]; then
+ opts+=("--zonesize=${zone_size}")
+ fi
+ run_one_fio_job "${opts[@]}" "$@"
+}
+
+# Check whether buffered writes are refused.
+test1() {
+ run_fio --name=job1 --filename="$dev" --rw=write --direct=0 --bs=4K \
+ --size="${zone_size}" \
+ --zonemode=zbd --zonesize="${zone_size}" 2>&1 |
+ tee -a "${logfile}.${test_number}" |
+ grep -q 'Using direct I/O is mandatory for writing to ZBD drives'
+ local fio_rc=${PIPESTATUS[0]} grep_rc=${PIPESTATUS[2]}
+ case "$fio_rc" in
+ 0|1) ;;
+ *) return "$fio_rc"
+ esac
+ if [ -n "$is_zbd" ]; then
+ [ "$grep_rc" = 0 ]
+ else
+ [ "$grep_rc" != 0 ]
+ fi
+}
+
+# Block size exceeds zone size.
+test2() {
+ local bs off opts=() rc
+
+ off=$(((first_sequential_zone_sector + 2 * sectors_per_zone) * 512))
+ bs=$((2 * zone_size))
+ opts+=("--name=job1" "--filename=$dev" "--rw=write" "--direct=1")
+ opts+=("--zonemode=zbd" "--offset=$off" "--bs=$bs" "--size=$bs")
+ if [ -z "$is_zbd" ]; then
+ opts+=("--zonesize=${zone_size}")
+ fi
+ run_fio "${opts[@]}" 2>&1 |
+ tee -a "${logfile}.${test_number}" |
+ grep -q 'No I/O performed'
+}
+
+# Run fio against an empty zone. This causes fio to report "No I/O performed".
+test3() {
+ local off opts=() rc
+
+ off=$((first_sequential_zone_sector * 512 + 128 * zone_size))
+ size=$((zone_size))
+ [ -n "$is_zbd" ] && reset_zone "$dev" $((off / 512))
+ opts+=("--name=$dev" "--filename=$dev" "--offset=$off" "--bs=4K")
+ opts+=("--size=$size" "--zonemode=zbd")
+ opts+=("--ioengine=psync" "--rw=read" "--direct=1" "--thread=1")
+ if [ -z "$is_zbd" ]; then
+ opts+=("--zonesize=${zone_size}")
+ fi
+ run_fio "${opts[@]}" >> "${logfile}.${test_number}" 2>&1 || return $?
+ grep -q "No I/O performed" "${logfile}.${test_number}"
+ rc=$?
+ if [ -n "$is_zbd" ]; then
+ [ $rc = 0 ]
+ else
+ [ $rc != 0 ]
+ fi
+}
+
+# Run fio with --read_beyond_wp=1 against an empty zone.
+test4() {
+ local off opts=()
+
+ off=$((first_sequential_zone_sector * 512 + 129 * zone_size))
+ size=$((zone_size))
+ [ -n "$is_zbd" ] && reset_zone "$dev" $((off / 512))
+ opts+=("--name=$dev" "--filename=$dev" "--offset=$off" "--bs=$size")
+ opts+=("--size=$size" "--thread=1" "--read_beyond_wp=1")
+ opts+=("--ioengine=psync" "--rw=read" "--direct=1" "--disable_lat=1")
+ opts+=("--zonemode=zbd" "--zonesize=${zone_size}")
+ run_fio "${opts[@]}" >> "${logfile}.${test_number}" 2>&1 || return $?
+ check_read $size || return $?
+}
+
+# Sequential write to sequential zones.
+test5() {
+ local size
+
+ size=$((4 * zone_size))
+ run_fio_on_seq --ioengine=psync --iodepth=1 --rw=write \
+ --bs="$(max $((zone_size / 64)) "$logical_block_size")"\
+ --do_verify=1 --verify=md5 \
+ >>"${logfile}.${test_number}" 2>&1 || return $?
+ check_written $size || return $?
+ check_read $size || return $?
+}
+
+# Sequential read from sequential zones. Must be run after test5.
+test6() {
+ local size
+
+ size=$((4 * zone_size))
+ run_fio_on_seq --ioengine=psync --iodepth=1 --rw=read \
+ --bs="$(max $((zone_size / 64)) "$logical_block_size")"\
+ >>"${logfile}.${test_number}" 2>&1 || return $?
+ check_read $size || return $?
+}
+
+# Random write to sequential zones, libaio, queue depth 1.
+test7() {
+ local size=$((zone_size))
+
+ run_fio_on_seq --ioengine=libaio --iodepth=1 --rw=randwrite \
+ --bs="$(min 16384 "${zone_size}")" \
+ --do_verify=1 --verify=md5 --size="$size" \
+ >>"${logfile}.${test_number}" 2>&1 || return $?
+ check_written $size || return $?
+ check_read $size || return $?
+}
+
+# Random write to sequential zones, libaio, queue depth 64.
+test8() {
+ local size
+
+ size=$((4 * zone_size))
+ run_fio_on_seq --ioengine=libaio --iodepth=64 --rw=randwrite \
+ --bs="$(min 16384 "${zone_size}")" \
+ --do_verify=1 --verify=md5 \
+ >>"${logfile}.${test_number}" 2>&1 || return $?
+ check_written $size || return $?
+ check_read $size || return $?
+}
+
+# Random write to sequential zones, sg, queue depth 1.
+test9() {
+ local size
+
+ if ! is_scsi_device "$dev"; then
+ echo "$dev is not a SCSI device" >>"${logfile}.${test_number}"
+ return 0
+ fi
+
+ size=$((4 * zone_size))
+ run_fio_on_seq --ioengine=sg --iodepth=1 --rw=randwrite --bs=16K \
+ --do_verify=1 --verify=md5 \
+ >>"${logfile}.${test_number}" 2>&1 || return $?
+ check_written $size || return $?
+ check_read $size || return $?
+}
+
+# Random write to sequential zones, sg, queue depth 64.
+test10() {
+ local size
+
+ if ! is_scsi_device "$dev"; then
+ echo "$dev is not a SCSI device" >>"${logfile}.${test_number}"
+ return 0
+ fi
+
+ size=$((4 * zone_size))
+ run_fio_on_seq --ioengine=sg --iodepth=64 --rw=randwrite --bs=16K \
+ --do_verify=1 --verify=md5 \
+ >>"${logfile}.${test_number}" 2>&1 || return $?
+ check_written $size || return $?
+ check_read $size || return $?
+}
+
+# Random write to sequential zones, libaio, queue depth 64, random block size.
+test11() {
+ local size
+
+ size=$((4 * zone_size))
+ run_fio_on_seq --ioengine=libaio --iodepth=64 --rw=randwrite \
+ --bsrange=4K-64K --do_verify=1 --verify=md5 \
+ --debug=zbd >>"${logfile}.${test_number}" 2>&1 || return $?
+ check_written $size || return $?
+ check_read $size || return $?
+}
+
+# Random write to sequential zones, libaio, queue depth 64, max 1 open zone.
+test12() {
+ local size
+
+ size=$((8 * zone_size))
+ run_fio_on_seq --ioengine=libaio --iodepth=64 --rw=randwrite --bs=16K \
+ --max_open_zones=1 --size=$size --do_verify=1 --verify=md5 \
+ --debug=zbd >>"${logfile}.${test_number}" 2>&1 || return $?
+ check_written $size || return $?
+ check_read $size || return $?
+}
+
+# Random write to sequential zones, libaio, queue depth 64, max 4 open zones.
+test13() {
+ local size
+
+ size=$((8 * zone_size))
+ run_fio_on_seq --ioengine=libaio --iodepth=64 --rw=randwrite --bs=16K \
+ --max_open_zones=4 --size=$size --do_verify=1 --verify=md5 \
+ --debug=zbd \
+ >>"${logfile}.${test_number}" 2>&1 || return $?
+ check_written $size || return $?
+ check_read $size || return $?
+}
+
+# Random write to conventional zones.
+test14() {
+ local size
+
+ size=$((16 * 2**20)) # 20 MB
+ if [ $size -gt $((first_sequential_zone_sector * 512)) ]; then
+ echo "$dev does not have enough sequential zones" \
+ >>"${logfile}.${test_number}"
+ return 0
+ fi
+ run_one_fio_job --ioengine=libaio --iodepth=64 --rw=randwrite --bs=16K \
+ --zonemode=zbd --zonesize="${zone_size}" --do_verify=1 \
+ --verify=md5 --size=$size \
+ >>"${logfile}.${test_number}" 2>&1 || return $?
+ check_written $((size)) || return $?
+ check_read $((size)) || return $?
+}
+
+# Sequential read on a mix of empty and full zones.
+test15() {
+ local i off size
+
+ for ((i=0;i<4;i++)); do
+ [ -n "$is_zbd" ] &&
+ reset_zone "$dev" $((first_sequential_zone_sector +
+ i*sectors_per_zone))
+ done
+ off=$(((first_sequential_zone_sector + 2 * sectors_per_zone) * 512))
+ size=$((2 * zone_size))
+ run_one_fio_job --ioengine=psync --rw=write --bs=$((zone_size / 16))\
+ --zonemode=zbd --zonesize="${zone_size}" --offset=$off \
+ --size=$size >>"${logfile}.${test_number}" 2>&1 ||
+ return $?
+ check_written $size || return $?
+ off=$((first_sequential_zone_sector * 512))
+ size=$((4 * zone_size))
+ run_one_fio_job --ioengine=psync --rw=read --bs=$((zone_size / 16)) \
+ --zonemode=zbd --zonesize="${zone_size}" --offset=$off \
+ --size=$((size)) >>"${logfile}.${test_number}" 2>&1 ||
+ return $?
+ if [ -n "$is_zbd" ]; then
+ check_read $((size / 2))
+ else
+ check_read $size
+ fi
+}
+
+# Random read on a mix of empty and full zones. Must be run after test15.
+test16() {
+ local off size
+
+ off=$((first_sequential_zone_sector * 512))
+ size=$((4 * zone_size))
+ run_one_fio_job --ioengine=libaio --iodepth=64 --rw=randread --bs=16K \
+ --zonemode=zbd --zonesize="${zone_size}" --offset=$off \
+ --size=$size >>"${logfile}.${test_number}" 2>&1 || return $?
+ check_read $size || return $?
+}
+
+# Random reads and writes in the last zone.
+test17() {
+ local io off read size written
+
+ off=$(((disk_size / zone_size - 1) * zone_size))
+ size=$((disk_size - off))
+ # Overwrite the last zone to avoid that reading from that zone fails.
+ if [ -n "$is_zbd" ]; then
+ reset_zone "$dev" $((off / 512)) || return $?
+ fi
+ run_one_fio_job --ioengine=psync --rw=write --offset="$off" \
+ --zonemode=zbd --zonesize="${zone_size}" \
+ --bs="$zone_size" --size="$zone_size" \
+ >>"${logfile}.${test_number}" 2>&1 || return $?
+ check_written "$zone_size" || return $?
+ run_one_fio_job --ioengine=libaio --iodepth=8 --rw=randrw --bs=4K \
+ --zonemode=zbd --zonesize="${zone_size}" \
+ --offset=$off --loops=2 --norandommap=1\
+ >>"${logfile}.${test_number}" 2>&1 || return $?
+ written=$(fio_written <"${logfile}.${test_number}")
+ read=$(fio_read <"${logfile}.${test_number}")
+ io=$((written + read))
+ echo "Total number of bytes read and written: $io <> $size" \
+ >>"${logfile}.${test_number}"
+ [ $io = $((size * 2)) ];
+}
+
+# Out-of-range zone reset threshold and frequency parameters.
+test18() {
+ run_fio_on_seq --zone_reset_threshold=-1 |&
+ tee -a "${logfile}.${test_number}" |
+ grep -q 'value out of range' || return $?
+}
+
+test19() {
+ run_fio_on_seq --zone_reset_threshold=2 |&
+ tee -a "${logfile}.${test_number}" |
+ grep -q 'value out of range' || return $?
+}
+
+test20() {
+ run_fio_on_seq --zone_reset_threshold=.4:.6 |&
+ tee -a "${logfile}.${test_number}" |
+ grep -q 'the list exceeding max length' || return $?
+}
+
+test21() {
+ run_fio_on_seq --zone_reset_frequency=-1 |&
+ tee -a "${logfile}.${test_number}" |
+ grep -q 'value out of range' || return $?
+}
+
+test22() {
+ run_fio_on_seq --zone_reset_frequency=2 |&
+ tee -a "${logfile}.${test_number}" |
+ grep -q 'value out of range' || return $?
+}
+
+test23() {
+ run_fio_on_seq --zone_reset_frequency=.4:.6 |&
+ tee -a "${logfile}.${test_number}" |
+ grep -q 'the list exceeding max length' || return $?
+}
+
+test24() {
+ local bs loops=9 size=$((zone_size))
+
+ bs=$(min $((256*1024)) "$zone_size")
+ run_fio_on_seq --ioengine=psync --rw=write --bs="$bs" --size=$size \
+ --loops=$loops \
+ --zone_reset_frequency=.01 --zone_reset_threshold=.90 \
+ >> "${logfile}.${test_number}" 2>&1 || return $?
+ check_written $((size * loops)) || return $?
+ check_reset_count -eq 8 ||
+ check_reset_count -eq 9 ||
+ check_reset_count -eq 10 || return $?
+}
+
+# Multiple non-overlapping sequential write jobs for the same drive.
+test25() {
+ local i opts=()
+
+ for ((i=0;i<16;i++)); do
+ [ -n "$is_zbd" ] &&
+ reset_zone "$dev" $((first_sequential_zone_sector + i*sectors_per_zone))
+ done
+ for ((i=0;i<16;i++)); do
+ opts+=("--name=job$i" "--filename=$dev" "--thread=1" "--direct=1")
+ opts+=("--offset=$((first_sequential_zone_sector*512 + zone_size*i))")
+ opts+=("--size=$zone_size" "--ioengine=psync" "--rw=write" "--bs=16K")
+ opts+=("--zonemode=zbd" "--zonesize=${zone_size}" "--group_reporting=1")
+ done
+ run_fio "${opts[@]}" >> "${logfile}.${test_number}" 2>&1 || return $?
+}
+
+write_to_first_seq_zone() {
+ local loops=4 r
+
+ r=$(((RANDOM << 16) | RANDOM))
+ run_fio --name="$dev" --filename="$dev" --ioengine=psync --rw="$1" \
+ --thread=1 --do_verify=1 --verify=md5 --direct=1 --bs=4K \
+ --offset=$((first_sequential_zone_sector * 512)) \
+ "--size=$zone_size" --loops=$loops --randseed="$r" \
+ --zonemode=zbd --zonesize="${zone_size}" --group_reporting=1 \
+ --gtod_reduce=1 >> "${logfile}.${test_number}" 2>&1 || return $?
+ check_written $((loops * zone_size)) || return $?
+}
+
+# Overwrite the first sequential zone four times sequentially.
+test26() {
+ write_to_first_seq_zone write
+}
+
+# Overwrite the first sequential zone four times using random writes.
+test27() {
+ write_to_first_seq_zone randwrite
+}
+
+# Multiple overlapping random write jobs for the same drive.
+test28() {
+ local i jobs=16 off opts
+
+ off=$((first_sequential_zone_sector * 512 + 64 * zone_size))
+ [ -n "$is_zbd" ] && reset_zone "$dev" $((off / 512))
+ opts=("--debug=zbd")
+ for ((i=0;i<jobs;i++)); do
+ opts+=("--name=job$i" "--filename=$dev" "--offset=$off" "--bs=16K")
+ opts+=("--size=$zone_size" "--ioengine=psync" "--rw=randwrite")
+ opts+=("--thread=1" "--direct=1" "--zonemode=zbd")
+ opts+=("--zonesize=${zone_size}" "--group_reporting=1")
+ done
+ run_fio "${opts[@]}" >> "${logfile}.${test_number}" 2>&1 || return $?
+ check_written $((jobs * zone_size)) || return $?
+ check_reset_count -eq $jobs ||
+ check_reset_count -eq $((jobs - 1)) ||
+ return $?
+}
+
+# Multiple overlapping random write jobs for the same drive and with a limited
+# number of open zones.
+test29() {
+ local i jobs=16 off opts=()
+
+ off=$((first_sequential_zone_sector * 512 + 64 * zone_size))
+ size=$((16*zone_size))
+ [ -n "$is_zbd" ] && reset_zone "$dev" $((off / 512))
+ opts=("--debug=zbd")
+ for ((i=0;i<jobs;i++)); do
+ opts+=("--name=job$i" "--filename=$dev" "--offset=$off" "--bs=16K")
+ opts+=("--size=$size" "--io_size=$zone_size" "--thread=1")
+ opts+=("--ioengine=psync" "--rw=randwrite" "--direct=1")
+ opts+=("--max_open_zones=4" "--group_reporting=1")
+ opts+=("--zonemode=zbd" "--zonesize=${zone_size}")
+ done
+ run_fio "${opts[@]}" >> "${logfile}.${test_number}" 2>&1 || return $?
+ check_written $((jobs * zone_size)) || return $?
+}
+
+# Random reads and writes across the entire disk for 30s.
+test30() {
+ local off
+
+ off=$((first_sequential_zone_sector * 512))
+ run_one_fio_job --ioengine=libaio --iodepth=8 --rw=randrw \
+ --bs="$(max $((zone_size / 128)) "$logical_block_size")"\
+ --zonemode=zbd --zonesize="${zone_size}" --offset=$off\
+ --loops=2 --time_based --runtime=30s --norandommap=1\
+ >>"${logfile}.${test_number}" 2>&1
+}
+
+# Random reads across all sequential zones for 30s. This is not only a fio
+# test but also allows to verify the performance of a drive.
+test31() {
+ local bs inc nz off opts size
+
+ # Start with writing 128 KB to 128 sequential zones.
+ bs=128K
+ nz=128
+ # shellcheck disable=SC2017
+ inc=$(((disk_size - (first_sequential_zone_sector * 512)) / (nz * zone_size)
+ * zone_size))
+ opts=()
+ for ((off = first_sequential_zone_sector * 512; off < disk_size;
+ off += inc)); do
+ opts+=("--name=$dev" "--filename=$dev" "--offset=$off" "--io_size=$bs")
+ opts+=("--bs=$bs" "--size=$zone_size" "--ioengine=libaio")
+ opts+=("--rw=write" "--direct=1" "--thread=1" "--stats=0")
+ opts+=("--zonemode=zbd" "--zonesize=${zone_size}")
+ done
+ "$(dirname "$0")/../../fio" "${opts[@]}" >> "${logfile}.${test_number}" 2>&1
+ # Next, run the test.
+ off=$((first_sequential_zone_sector * 512))
+ size=$((disk_size - off))
+ opts=("--name=$dev" "--filename=$dev" "--offset=$off" "--size=$size")
+ opts+=("--bs=$bs" "--ioengine=psync" "--rw=randread" "--direct=1")
+ opts+=("--thread=1" "--time_based" "--runtime=30" "--zonemode=zbd")
+ opts+=("--zonesize=${zone_size}")
+ run_fio "${opts[@]}" >> "${logfile}.${test_number}" 2>&1 || return $?
+}
+
+# Random writes across all sequential zones. This is not only a fio test but
+# also allows to verify the performance of a drive.
+test32() {
+ local off opts=() size
+
+ off=$((first_sequential_zone_sector * 512))
+ size=$((disk_size - off))
+ opts+=("--name=$dev" "--filename=$dev" "--offset=$off" "--size=$size")
+ opts+=("--bs=128K" "--ioengine=psync" "--rw=randwrite" "--direct=1")
+ opts+=("--thread=1" "--time_based" "--runtime=30")
+ opts+=("--max_open_zones=$max_open_zones" "--zonemode=zbd")
+ opts+=("--zonesize=${zone_size}")
+ run_fio "${opts[@]}" >> "${logfile}.${test_number}" 2>&1 || return $?
+}
+
+# Write to sequential zones with a block size that is not a divisor of the
+# zone size.
+test33() {
+ local bs io_size size
+
+ size=$((2 * zone_size))
+ io_size=$((5 * zone_size))
+ bs=$((3 * zone_size / 4))
+ run_fio_on_seq --ioengine=psync --iodepth=1 --rw=write --size=$size \
+ --io_size=$io_size --bs=$bs \
+ >> "${logfile}.${test_number}" 2>&1 || return $?
+ check_written $(((io_size + bs - 1) / bs * bs)) || return $?
+}
+
+# Write to sequential zones with a block size that is not a divisor of the
+# zone size and with data verification enabled.
+test34() {
+ local size
+
+ size=$((2 * zone_size))
+ run_fio_on_seq --ioengine=psync --iodepth=1 --rw=write --size=$size \
+ --do_verify=1 --verify=md5 --bs=$((3 * zone_size / 4)) \
+ >> "${logfile}.${test_number}" 2>&1 && return 1
+ grep -q 'not a divisor of' "${logfile}.${test_number}"
+}
+
+# Test 1/4 for the I/O boundary rounding code: $size < $zone_size.
+test35() {
+ local bs off io_size size
+
+ off=$(((first_sequential_zone_sector + 1) * 512))
+ size=$((zone_size - 2 * 512))
+ bs=$((zone_size / 4))
+ run_one_fio_job --offset=$off --size=$size --ioengine=psync --iodepth=1 \
+ --rw=write --do_verify=1 --verify=md5 --bs=$bs \
+ --zonemode=zbd --zonesize="${zone_size}" \
+ >> "${logfile}.${test_number}" 2>&1 && return 1
+ grep -q 'io_size must be at least one zone' "${logfile}.${test_number}"
+}
+
+# Test 2/4 for the I/O boundary rounding code: $size < $zone_size.
+test36() {
+ local bs off io_size size
+
+ off=$(((first_sequential_zone_sector) * 512))
+ size=$((zone_size - 512))
+ bs=$((zone_size / 4))
+ run_one_fio_job --offset=$off --size=$size --ioengine=psync --iodepth=1 \
+ --rw=write --do_verify=1 --verify=md5 --bs=$bs \
+ --zonemode=zbd --zonesize="${zone_size}" \
+ >> "${logfile}.${test_number}" 2>&1 && return 1
+ grep -q 'io_size must be at least one zone' "${logfile}.${test_number}"
+}
+
+# Test 3/4 for the I/O boundary rounding code: $size > $zone_size.
+test37() {
+ local bs off size
+
+ if [ "$first_sequential_zone_sector" = 0 ]; then
+ off=0
+ else
+ off=$(((first_sequential_zone_sector - 1) * 512))
+ fi
+ size=$((zone_size + 2 * 512))
+ bs=$((zone_size / 4))
+ run_one_fio_job --offset=$off --size=$size --ioengine=psync --iodepth=1 \
+ --rw=write --do_verify=1 --verify=md5 --bs=$bs \
+ --zonemode=zbd --zonesize="${zone_size}" \
+ >> "${logfile}.${test_number}" 2>&1
+ check_written $((zone_size)) || return $?
+}
+
+# Test 4/4 for the I/O boundary rounding code: $offset > $disk_size - $zone_size
+test38() {
+ local bs off size
+
+ size=$((logical_block_size))
+ off=$((disk_size - logical_block_size))
+ bs=$((logical_block_size))
+ run_one_fio_job --offset=$off --size=$size --ioengine=psync --iodepth=1 \
+ --rw=write --do_verify=1 --verify=md5 --bs=$bs \
+ --zonemode=zbd --zonesize="${zone_size}" \
+ >> "${logfile}.${test_number}" 2>&1 && return 1
+ grep -q 'io_size must be at least one zone' "${logfile}.${test_number}"
+}
+
+# Read one block from a block device.
+read_one_block() {
+ local bs
+
+ bs=$((logical_block_size))
+ run_one_fio_job --rw=read --ioengine=psync --bs=$bs --size=$bs "$@" 2>&1 |
+ tee -a "${logfile}.${test_number}"
+}
+
+# Check whether fio refuses --zonemode=none for zoned block devices.
+test39() {
+ [ -n "$is_zbd" ] || return 0
+ read_one_block --zonemode=none |
+ grep -q 'Using --zonemode=zbd is mandatory for host-managed drives'
+}
+
+# Check whether fio refuses --zonemode=strided for zoned block devices.
+test40() {
+ [ -n "$is_zbd" ] || return 0
+ read_one_block --zonemode=strided |
+ grep -q 'Using --zonemode=zbd is mandatory for host-managed drives'
+}
+
+# Check whether fio checks the zone size for zoned block devices.
+test41() {
+ [ -n "$is_zbd" ] || return 0
+ read_one_block --zonemode=zbd --zonesize=$((2 * zone_size)) |
+ grep -q 'job parameter zonesize.*does not match disk zone size'
+}
+
+# Check whether fio handles --zonesize=0 correctly for regular block devices.
+test42() {
+ [ -n "$is_zbd" ] && return 0
+ read_one_block --zonemode=zbd --zonesize=0 |
+ grep -q 'Specifying the zone size is mandatory for regular block devices with --zonemode=zbd'
+}
+
+# Check whether fio handles --zonesize=1 correctly.
+test43() {
+ read_one_block --zonemode=zbd --zonesize=1 |
+ grep -q 'zone size must be at least 512 bytes for --zonemode=zbd'
+}
+
+# Check whether fio handles --zonemode=none --zonesize=1 correctly.
+test44() {
+ read_one_block --zonemode=none --zonesize=1 |
+ grep -q 'fio: --zonemode=none and --zonesize are not compatible'
+}
+
+tests=()
+dynamic_analyzer=()
+reset_all_zones=
+
+while [ "${1#-}" != "$1" ]; do
+ case "$1" in
+ -d) dynamic_analyzer=(valgrind "--read-var-info=yes" "--tool=drd"
+ "--show-confl-seg=no");
+ shift;;
+ -e) dynamic_analyzer=(valgrind "--read-var-info=yes" "--tool=helgrind");
+ shift;;
+ -r) reset_all_zones=1; shift;;
+ -t) tests+=("$2"); shift; shift;;
+ -v) dynamic_analyzer=(valgrind "--read-var-info=yes");
+ shift;;
+ --) shift; break;;
+ esac
+done
+
+if [ $# != 1 ]; then
+ usage
+ exit 1
+fi
+
+# shellcheck source=functions
+source "$(dirname "$0")/functions" || exit $?
+
+dev=$1
+realdev=$(readlink -f "$dev")
+basename=$(basename "$realdev")
+disk_size=$(($(<"/sys/block/$basename/size")*512))
+logical_block_size=$(<"/sys/block/$basename/queue/logical_block_size")
+case "$(<"/sys/class/block/$basename/queue/zoned")" in
+ host-managed|host-aware)
+ is_zbd=true
+ if ! result=($(first_sequential_zone "$dev")); then
+ echo "Failed to determine first sequential zone"
+ exit 1
+ fi
+ first_sequential_zone_sector=${result[0]}
+ sectors_per_zone=${result[1]}
+ zone_size=$((sectors_per_zone * 512))
+ if ! max_open_zones=$(max_open_zones "$dev"); then
+ echo "Failed to determine maximum number of open zones"
+ exit 1
+ fi
+ echo "First sequential zone starts at sector $first_sequential_zone_sector; zone size: $((zone_size >> 20)) MB"
+ set_io_scheduler "$basename" deadline || exit $?
+ if [ -n "$reset_all_zones" ]; then
+ reset_zone "$dev" -1
+ fi
+ ;;
+ *)
+ first_sequential_zone_sector=$(((disk_size / 2) &
+ (logical_block_size - 1)))
+ zone_size=$(max 65536 "$logical_block_size")
+ sectors_per_zone=$((zone_size / 512))
+ max_open_zones=128
+ set_io_scheduler "$basename" none || exit $?
+ ;;
+esac
+
+if [ "${#tests[@]}" = 0 ]; then
+ for ((i=1;i<=44;i++)); do
+ tests+=("$i")
+ done
+fi
+
+logfile=$0.log
+
+rc=0
+for test_number in "${tests[@]}"; do
+ rm -f "${logfile}.${test_number}"
+ echo -n "Running test $test_number ... "
+ if eval "test$test_number"; then
+ status="PASS"
+ else
+ status="FAIL"
+ rc=1
+ fi
+ echo "$status"
+ echo "$status" >> "${logfile}.${test_number}"
+done
+
+exit $rc
--
2.18.0
