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Wed, 4 Sep 2024 15:53:54 GMT (envelope-from git) Date: Wed, 4 Sep 2024 15:53:54 GMT Message-Id: <202409041553.484FrsbQ019903@gitrepo.freebsd.org> To: src-committers@FreeBSD.org, dev-commits-src-all@FreeBSD.org, dev-commits-src-branches@FreeBSD.org From: Ed Maste Subject: git: 62935fd269f3 - stable/13 - ctl: add some ATF tests for READ BUFFER List-Id: Commit messages for all branches of the src repository List-Archive: https://lists.freebsd.org/archives/dev-commits-src-all List-Help: List-Post: List-Subscribe: List-Unsubscribe: X-BeenThere: dev-commits-src-all@freebsd.org Sender: owner-dev-commits-src-all@FreeBSD.org MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: 8bit X-Git-Committer: emaste X-Git-Repository: src X-Git-Refname: refs/heads/stable/13 X-Git-Reftype: branch X-Git-Commit: 62935fd269f343b85100cc25b0695c0dd548b9c3 Auto-Submitted: auto-generated The branch stable/13 has been updated by emaste: URL: https://cgit.FreeBSD.org/src/commit/?id=62935fd269f343b85100cc25b0695c0dd548b9c3 commit 62935fd269f343b85100cc25b0695c0dd548b9c3 Author: Alan Somers AuthorDate: 2024-09-04 14:38:12 +0000 Commit: Ed Maste CommitDate: 2024-09-04 15:52:50 +0000 ctl: add some ATF tests for READ BUFFER Reviewed by: Pierre Pronchery Reviewed by: jhb MFC after: 2 weeks Sponsored by: Axcient (cherry picked from commit 60d717baf2144cf344ec9b47d715ce837b5d46d4) (cherry picked from commit e9329a869c8137b955b2b3487ac0dadabf540bda) --- etc/mtree/BSD.tests.dist | 4 + tests/sys/Makefile | 1 + tests/sys/cam/Makefile | 7 ++ tests/sys/cam/ctl/Makefile | 10 ++ tests/sys/cam/ctl/read_buffer.sh | 226 +++++++++++++++++++++++++++++++++++++++ 5 files changed, 248 insertions(+) diff --git a/etc/mtree/BSD.tests.dist b/etc/mtree/BSD.tests.dist index 91e02c4ae7e5..f4b70e543d7b 100644 --- a/etc/mtree/BSD.tests.dist +++ b/etc/mtree/BSD.tests.dist @@ -749,6 +749,10 @@ .. .. .. + cam + ctl + .. + .. devrandom .. dtrace diff --git a/tests/sys/Makefile b/tests/sys/Makefile index 3a4cbc13e5b9..802119d35411 100644 --- a/tests/sys/Makefile +++ b/tests/sys/Makefile @@ -7,6 +7,7 @@ TESTS_SUBDIRS+= acl TESTS_SUBDIRS+= aio TESTS_SUBDIRS+= ${_audit} TESTS_SUBDIRS+= auditpipe +TESTS_SUBDIRS+= cam TESTS_SUBDIRS+= capsicum TESTS_SUBDIRS+= ${_cddl} TESTS_SUBDIRS+= devrandom diff --git a/tests/sys/cam/Makefile b/tests/sys/cam/Makefile new file mode 100644 index 000000000000..4cc36604280a --- /dev/null +++ b/tests/sys/cam/Makefile @@ -0,0 +1,7 @@ +.include + +TESTSDIR= ${TESTSBASE}/sys/cam + +TESTS_SUBDIRS+= ctl + +.include diff --git a/tests/sys/cam/ctl/Makefile b/tests/sys/cam/ctl/Makefile new file mode 100644 index 000000000000..0e6f39a1a56f --- /dev/null +++ b/tests/sys/cam/ctl/Makefile @@ -0,0 +1,10 @@ +PACKAGE= tests + +TESTSDIR= ${TESTSBASE}/sys/cam/ctl + +ATF_TESTS_SH+= read_buffer + +# Must be exclusive because it disables/enables camsim +TEST_METADATA.read_buffer+= is_exclusive="true" + +.include diff --git a/tests/sys/cam/ctl/read_buffer.sh b/tests/sys/cam/ctl/read_buffer.sh new file mode 100644 index 000000000000..4a84eb6b9725 --- /dev/null +++ b/tests/sys/cam/ctl/read_buffer.sh @@ -0,0 +1,226 @@ +# SPDX-License-Identifier: BSD-2-Clause +# +# Copyright (c) 2024 Axcient +# All rights reserved. +# +# Redistribution and use in source and binary forms, with or without +# modification, are permitted provided that the following conditions +# are met: +# 1. Redistributions of source code must retain the above copyright +# notice, this list of conditions and the following disclaimer. +# 2. Redistributions in binary form must reproduce the above copyright +# notice, this list of conditions and the following disclaimer in the +# documentation and/or other materials provided with the distribution. +# +# THIS DOCUMENTATION IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR +# IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES +# OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. +# IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, +# INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT +# NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, +# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY +# THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT +# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF +# THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + +# Not tested +# * modes other than "Data" and "Desc". We don't support those. +# * Buffer ID other than 0. We don't support those. +# * The Mode Specific field. We don't support it. + +load_modules() { + if ! kldstat -q -m ctl; then + kldload ctl || atf_skip "could not load ctl kernel mod" + fi + if ! ctladm port -o on -p 0; then + atf_skip "could not enable the camsim frontend" + fi +} + +find_da_device() { + SERIAL=$1 + + # Rescan camsim + # XXX camsim doesn't update when creating a new device. Worse, a + # rescan won't look for new devices. So we must disable/re-enable it. + # Worse still, enabling it isn't synchronous, so we need a retry loop + # https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=281000 + retries=5 + ctladm port -o off -p 0 >/dev/null + ctladm port -o on -p 0 >/dev/null + while true; do + + # Find the corresponding da device + da=`geom disk list | awk -v serial=$SERIAL ' /Geom name:/ { devname=$NF } /ident:/ && $NF ~ serial { print devname; exit } '` + if [ -z "$da" ]; then + retries=$(( $retries - 1 )) + if [ $retries -eq 0 ]; then + cat lun-create.txt + geom disk list + atf_fail "Could not find da device" + fi + sleep 0.1 + continue + fi + break + done +} + +# Create a CTL LUN +create_ramdisk() { + atf_check -o save:lun-create.txt ctladm create -b ramdisk -s 1048576 + atf_check egrep -q "LUN created successfully" lun-create.txt + SERIAL=`awk '/Serial Number:/ {print $NF}' lun-create.txt` + if [ -z "$SERIAL" ]; then + atf_fail "Could not find serial number" + fi + find_da_device $SERIAL +} + +cleanup() { + if [ -e "lun-create.txt" ]; then + lun_id=`awk '/LUN ID:/ {print $NF}' lun-create.txt` + ctladm remove -b ramdisk -l $lun_id > /dev/null + fi +} + +atf_test_case basic cleanup +basic_head() +{ + atf_set "descr" "READ BUFFER can retrieve data previously written by WRITE BUFFER" + atf_set "require.user" "root" + atf_set "require.progs" sg_read_buffer sg_write_buffer +} +basic_body() +{ + create_ramdisk + + # Write to its buffer + cp /etc/passwd input + len=`wc -c input | cut -wf 2` + atf_check -o ignore sg_write_buffer --mode data --in=input /dev/$da + + # Read it back + atf_check -o save:output sg_read_buffer --mode data -l $len --raw /dev/$da + + # And verify + if ! diff -q input output; then + atf_fail "Miscompare!" + fi +} +basic_cleanup() +{ + cleanup +} + +# Read from the Descriptor mode. Along with Data, these are the only two modes +# we support. +atf_test_case desc cleanup +desc_head() +{ + atf_set "descr" "READ BUFFER can retrieve the buffer size via the DESCRIPTOR mode" + atf_set "require.user" "root" + atf_set "require.progs" sg_read_buffer +} +desc_body() +{ + create_ramdisk + + atf_check -o inline:" 00 00 04 00 00\n" sg_read_buffer --hex --mode desc /dev/$da +} +desc_cleanup() +{ + cleanup +} + +atf_test_case length cleanup +length_head() +{ + atf_set "descr" "READ BUFFER can limit its length with the LENGTH field" + atf_set "require.user" "root" + atf_set "require.progs" sg_read_buffer sg_write_buffer +} +length_body() +{ + create_ramdisk + + # Write to its buffer + atf_check -o ignore -e ignore dd if=/dev/random of=input bs=4096 count=1 + atf_check -o ignore -e ignore dd if=input bs=2048 count=1 of=expected + atf_check -o ignore sg_write_buffer --mode data --in=input /dev/$da + + # Read it back + atf_check -o save:output sg_read_buffer --mode data -l 2048 --raw /dev/$da + + # And verify + if ! diff -q expected output; then + atf_fail "Miscompare!" + fi +} +length_cleanup() +{ + cleanup +} + +atf_test_case offset cleanup +offset_head() +{ + atf_set "descr" "READ BUFFER accepts the BUFFER OFFSET field" + atf_set "require.user" "root" + atf_set "require.progs" sg_read_buffer sg_write_buffer +} +offset_body() +{ + create_ramdisk + + # Write to its buffer + atf_check -o ignore -e ignore dd if=/dev/random of=input bs=4096 count=1 + atf_check -o ignore -e ignore dd if=input iseek=2 bs=512 count=1 of=expected + atf_check -o ignore sg_write_buffer --mode data --in=input /dev/$da + + # Read it back + atf_check -o save:output sg_read_buffer --mode data -l 512 -o 1024 --raw /dev/$da + + # And verify + if ! diff -q expected output; then + atf_fail "Miscompare!" + fi +} +offset_cleanup() +{ + cleanup +} + +atf_test_case uninitialized cleanup +uninitialized_head() +{ + atf_set "descr" "READ BUFFER buffers are zero-initialized" + atf_set "require.user" "root" + atf_set "require.progs" sg_read_buffer +} +uninitialized_body() +{ + create_ramdisk + + # Read an uninitialized buffer + atf_check -o save:output sg_read_buffer --mode data -l 262144 --raw /dev/$da + + # And verify + atf_check -o ignore -e ignore dd if=/dev/zero bs=262144 count=1 of=expected + if ! diff -q expected output; then + atf_fail "Miscompare!" + fi +} +uninitialized_cleanup() +{ + cleanup +} + +atf_init_test_cases() +{ + atf_add_test_case basic + atf_add_test_case desc + atf_add_test_case length + atf_add_test_case offset + atf_add_test_case uninitialized +}