| 123456789101112131415161718192021222324252627 |
- #!/bin/bash
- # SPDX-License-Identifier: GPL-2.0
- . "$(cd "$(dirname "$0")" && pwd)"/test_common.sh
- ERR_CODE=0
- _prep_test "null" "check dma & segment limits for zero copy"
- dev_id=$(_add_ublk_dev -t null -z)
- _check_add_dev $TID $?
- sysfs_path=/sys/block/ublkb"${dev_id}"
- dma_align=$(cat "$sysfs_path"/queue/dma_alignment)
- max_segments=$(cat "$sysfs_path"/queue/max_segments)
- max_segment_size=$(cat "$sysfs_path"/queue/max_segment_size)
- if [ "$dma_align" != "4095" ]; then
- ERR_CODE=255
- fi
- if [ "$max_segments" != "32" ]; then
- ERR_CODE=255
- fi
- if [ "$max_segment_size" != "32768" ]; then
- ERR_CODE=255
- fi
- _cleanup_test "null"
- _show_result $TID $ERR_CODE
|
