Re: [PATCH v17 6/8] qemu-iotests: test new zone operations

[Stefan Hajnoczi]

On Thu, Mar 23, 2023 at 01:08:32PM +0800, Sam Li wrote:
> The new block layer APIs of zoned block devices can be tested by:
> $ tests/qemu-iotests/check zoned
> Run each zone operation on a newly created null_blk device
> and see whether it outputs the same zone information.
> 
> Signed-off-by: Sam Li <faithilikerun@gmail.com>
> Reviewed-by: Stefan Hajnoczi <stefanha@redhat.com>
> ---
>  tests/qemu-iotests/tests/zoned     | 86 ++++++++++++++++++++++++++++++
>  tests/qemu-iotests/tests/zoned.out | 53 ++++++++++++++++++
>  2 files changed, 139 insertions(+)
>  create mode 100755 tests/qemu-iotests/tests/zoned
>  create mode 100644 tests/qemu-iotests/tests/zoned.out
> 
> diff --git a/tests/qemu-iotests/tests/zoned b/tests/qemu-iotests/tests/zoned
> new file mode 100755
> index 0000000000..53097e44d9
> --- /dev/null
> +++ b/tests/qemu-iotests/tests/zoned
> @@ -0,0 +1,86 @@
> +#!/usr/bin/env bash
> +#
> +# Test zone management operations.
> +#
> +
> +seq="$(basename $0)"
> +echo "QA output created by $seq"
> +status=1 # failure is the default!
> +
> +_cleanup()
> +{
> +  _cleanup_test_img
> +  sudo rmmod null_blk
> +}
> +trap "_cleanup; exit \$status" 0 1 2 3 15
> +
> +# get standard environment, filters and checks
> +. ../common.rc
> +. ../common.filter
> +. ../common.qemu
> +
> +# This test only runs on Linux hosts with raw image files.
> +_supported_fmt raw
> +_supported_proto file
> +_supported_os Linux
> +
> +IMG="--image-opts -n driver=host_device,filename=/dev/nullb0"
> +QEMU_IO_OPTIONS=$QEMU_IO_OPTIONS_NO_FMT
> +
> +echo "Testing a null_blk device:"
> +echo "case 1: if the operations work"
> +sudo modprobe null_blk nr_devices=1 zoned=1

I took a look at how existing qemu-iotests use sudo. The run it in
non-interactive mode and skip the test if sudo is unavailable.

Please do something like this to check for sudo support:

  sudo -n true || _notrun 'Password-less sudo required'

Then always use "sudo -n ...".


> +sudo chmod 0666 /dev/nullb0
> +
> +echo "(1) report the first zone:"
> +$QEMU_IO $IMG -c "zrp 0 1"
> +echo
> +echo "report the first 10 zones"
> +$QEMU_IO $IMG -c "zrp 0 10"
> +echo
> +echo "report the last zone:"
> +$QEMU_IO $IMG -c "zrp 0x3e70000000 2" # 0x3e70000000 / 512 = 0x1f380000
> +echo
> +echo
> +echo "(2) opening the first zone"
> +$QEMU_IO $IMG -c "zo 0 268435456"  # 268435456 / 512 = 524288
> +echo "report after:"
> +$QEMU_IO $IMG -c "zrp 0 1"
> +echo
> +echo "opening the second zone"
> +$QEMU_IO $IMG -c "zo 268435456 268435456" #
> +echo "report after:"
> +$QEMU_IO $IMG -c "zrp 268435456 1"
> +echo
> +echo "opening the last zone"
> +$QEMU_IO $IMG -c "zo 0x3e70000000 268435456"
> +echo "report after:"
> +$QEMU_IO $IMG -c "zrp 0x3e70000000 2"
> +echo
> +echo
> +echo "(3) closing the first zone"
> +$QEMU_IO $IMG -c "zc 0 268435456"
> +echo "report after:"
> +$QEMU_IO $IMG -c "zrp 0 1"
> +echo
> +echo "closing the last zone"
> +$QEMU_IO $IMG -c "zc 0x3e70000000 268435456"
> +echo "report after:"
> +$QEMU_IO $IMG -c "zrp 0x3e70000000 2"
> +echo
> +echo
> +echo "(4) finishing the second zone"
> +$QEMU_IO $IMG -c "zf 268435456 268435456"
> +echo "After finishing a zone:"
> +$QEMU_IO $IMG -c "zrp 268435456 1"
> +echo
> +echo
> +echo "(5) resetting the second zone"
> +$QEMU_IO $IMG -c "zrs 268435456 268435456"
> +echo "After resetting a zone:"
> +$QEMU_IO $IMG -c "zrp 268435456 1"
> +
> +# success, all done
> +echo "*** done"
> +rm -f $seq.full
> +status=0
> diff --git a/tests/qemu-iotests/tests/zoned.out 
> b/tests/qemu-iotests/tests/zoned.out
> new file mode 100644
> index 0000000000..b2d061da49
> --- /dev/null
> +++ b/tests/qemu-iotests/tests/zoned.out
> @@ -0,0 +1,53 @@
> +QA output created by zoned
> +Testing a null_blk device:
> +case 1: if the operations work
> +(1) report the first zone:
> +start: 0x0, len 0x80000, cap 0x80000, wptr 0x0, zcond:1, [type: 2]
> +
> +report the first 10 zones
> +start: 0x0, len 0x80000, cap 0x80000, wptr 0x0, zcond:1, [type: 2]
> +start: 0x80000, len 0x80000, cap 0x80000, wptr 0x80000, zcond:1, [type: 2]
> +start: 0x100000, len 0x80000, cap 0x80000, wptr 0x100000, zcond:1, [type: 2]
> +start: 0x180000, len 0x80000, cap 0x80000, wptr 0x180000, zcond:1, [type: 2]
> +start: 0x200000, len 0x80000, cap 0x80000, wptr 0x200000, zcond:1, [type: 2]
> +start: 0x280000, len 0x80000, cap 0x80000, wptr 0x280000, zcond:1, [type: 2]
> +start: 0x300000, len 0x80000, cap 0x80000, wptr 0x300000, zcond:1, [type: 2]
> +start: 0x380000, len 0x80000, cap 0x80000, wptr 0x380000, zcond:1, [type: 2]
> +start: 0x400000, len 0x80000, cap 0x80000, wptr 0x400000, zcond:1, [type: 2]
> +start: 0x480000, len 0x80000, cap 0x80000, wptr 0x480000, zcond:1, [type: 2]
> +
> +report the last zone:
> +start: 0x1f380000, len 0x80000, cap 0x80000, wptr 0x1f380000, zcond:1, 
> [type: 2]
> +
> +
> +(2) opening the first zone
> +report after:
> +start: 0x0, len 0x80000, cap 0x80000, wptr 0x0, zcond:3, [type: 2]
> +
> +opening the second zone
> +report after:
> +start: 0x80000, len 0x80000, cap 0x80000, wptr 0x80000, zcond:3, [type: 2]
> +
> +opening the last zone
> +report after:
> +start: 0x1f380000, len 0x80000, cap 0x80000, wptr 0x1f380000, zcond:3, 
> [type: 2]
> +
> +
> +(3) closing the first zone
> +report after:
> +start: 0x0, len 0x80000, cap 0x80000, wptr 0x0, zcond:1, [type: 2]
> +
> +closing the last zone
> +report after:
> +start: 0x1f380000, len 0x80000, cap 0x80000, wptr 0x1f380000, zcond:1, 
> [type: 2]
> +
> +
> +(4) finishing the second zone
> +After finishing a zone:
> +start: 0x80000, len 0x80000, cap 0x80000, wptr 0x100000, zcond:14, [type: 2]
> +
> +
> +(5) resetting the second zone
> +After resetting a zone:
> +start: 0x80000, len 0x80000, cap 0x80000, wptr 0x80000, zcond:1, [type: 2]
> +*** done
> -- 
> 2.39.2
>

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