1# SPDX-License-Identifier: BSD-2-Clause 2# 3# Copyright (c) 2020 Netflix, Inc. 4# 5# Redistribution and use in source and binary forms, with or without 6# modification, are permitted provided that the following conditions 7# are met: 8# 1. Redistributions of source code must retain the above copyright 9# notice, this list of conditions and the following disclaimer. 10# 2. Redistributions in binary form must reproduce the above copyright 11# notice, this list of conditions and the following disclaimer in the 12# documentation and/or other materials provided with the distribution. 13# 14# THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 15# ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 16# IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 17# ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 18# FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 19# DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 20# OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 21# HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 22# LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 23# OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 24# SUCH DAMAGE. 25# 26 27# 28# These tests exercise a few basic cases for the sendfile() syscall: 29# - successful operation. 30# - sendfile() starts an async disk read but that async I/O fails. 31# - sendfile() fails to read an indirect block and thus cannot 32# even start an async I/O. 33# 34# In all cases we request some read ahead in addition to 35# the data to be sent to the socket. 36# 37 38MD_DEVS="md.devs" 39MNT=mnt 40FILE=$MNT/file 41HELPER="$(atf_get_srcdir)/sendfile_helper" 42BSIZE=4096 43 44atf_test_case io_success cleanup 45io_success_head() 46{ 47 atf_set "descr" "sendfile where all disk I/O succeeds" 48 atf_set "require.user" "root" 49 atf_set "timeout" 15 50} 51io_success_body() 52{ 53 if [ "$(atf_config_get qemu false)" = "true" ]; then 54 atf_skip "Sendfile(4) unimplemented. https://github.com/qemu-bsd-user/qemu-bsd-user/issues/25" 55 fi 56 57 md=$(alloc_md) 58 common_body_setup $md 59 60 atf_check $HELPER $FILE 0 0x10000 0x10000 61} 62io_success_cleanup() 63{ 64 common_cleanup 65} 66 67atf_test_case io_fail_sync cleanup 68io_fail_sync_head() 69{ 70 atf_set "descr" "sendfile where we fail to start async I/O" 71 atf_set "require.user" "root" 72 atf_set "timeout" 15 73} 74io_fail_sync_body() 75{ 76 if [ "$(atf_config_get qemu false)" = "true" ]; then 77 atf_skip "Sendfile(4) unimplemented. https://github.com/qemu-bsd-user/qemu-bsd-user/issues/25" 78 fi 79 80 md=$(alloc_md) 81 common_body_setup $md 82 83 atf_check gnop configure -r 100 -e 5 ${md}.nop 84 atf_check -s exit:3 -e ignore $HELPER $FILE $((12 * $BSIZE)) $BSIZE 0x10000 85} 86io_fail_sync_cleanup() 87{ 88 common_cleanup 89} 90 91atf_test_case io_fail_async cleanup 92io_fail_async_head() 93{ 94 atf_set "descr" "sendfile where an async I/O fails" 95 atf_set "require.user" "root" 96 atf_set "timeout" 15 97} 98io_fail_async_body() 99{ 100 if [ "$(atf_config_get qemu false)" = "true" ]; then 101 atf_skip "Sendfile(4) unimplemented. https://github.com/qemu-bsd-user/qemu-bsd-user/issues/25" 102 fi 103 104 md=$(alloc_md) 105 common_body_setup $md 106 107 atf_check gnop configure -r 100 -e 5 ${md}.nop 108 atf_check -s exit:2 -e ignore $HELPER $FILE 0 $BSIZE 0x10000 109} 110io_fail_async_cleanup() 111{ 112 common_cleanup 113} 114 115 116atf_init_test_cases() 117{ 118 atf_add_test_case io_success 119 atf_add_test_case io_fail_sync 120 atf_add_test_case io_fail_async 121} 122 123alloc_md() 124{ 125 local md 126 127 md=$(mdconfig -a -t swap -s 256M) || atf_fail "mdconfig -a failed" 128 echo ${md} >> $MD_DEVS 129 echo ${md} 130} 131 132common_body_setup() 133{ 134 us=$1 135 136 atf_check mkdir $MNT 137 atf_check -o ignore -e ignore newfs -b $BSIZE -U -j /dev/${us} 138 atf_check mount /dev/${us} $MNT 139 atf_check -e ignore dd if=/dev/zero of=$FILE bs=1m count=1 140 atf_check umount $MNT 141 142 load_gnop 143 atf_check gnop create /dev/${us} 144 atf_check mount /dev/${us}.nop $MNT 145 atf_check -o ignore ls -l $MNT/file 146} 147 148common_cleanup() 149{ 150 umount -f $MNT 151 if [ -f "$MD_DEVS" ]; then 152 while read test_md; do 153 gnop destroy -f ${test_md}.nop 2>/dev/null 154 mdconfig -d -u $test_md 2>/dev/null 155 done < $MD_DEVS 156 rm $MD_DEVS 157 fi 158 159 true 160} 161 162load_gnop() 163{ 164 if ! kldstat -q -m g_nop; then 165 geom nop load || atf_skip "could not load module for geom nop" 166 fi 167} 168