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author | 2018-03-10 06:14:42 -0800 | |
---|---|---|
committer | 2018-03-14 19:49:23 +0100 | |
commit | 29a1c00ce1df8a75bea6e6a86876a10c8dcc2c59 (patch) | |
tree | 285c27cac716f0b0385c4a601f3a65f56088ab1e /tools/testing/selftests | |
parent | Linux 4.16-rc5 (diff) | |
download | linux-29a1c00ce1df8.tar.gz linux-29a1c00ce1df8.tar.bz2 linux-29a1c00ce1df8.zip |
test_firmware: add simple firmware firmware test library
We'll expland on this later, for now just add basic module checker.
While at it, move this all to use /bin/bash as we'll have much more
flexibility with it.
Signed-off-by: Luis R. Rodriguez <mcgrof@kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'tools/testing/selftests')
-rwxr-xr-x | tools/testing/selftests/firmware/fw_fallback.sh | 7 | ||||
-rwxr-xr-x | tools/testing/selftests/firmware/fw_filesystem.sh | 20 | ||||
-rwxr-xr-x | tools/testing/selftests/firmware/fw_lib.sh | 44 |
3 files changed, 51 insertions, 20 deletions
diff --git a/tools/testing/selftests/firmware/fw_fallback.sh b/tools/testing/selftests/firmware/fw_fallback.sh index 722cad91df74..755147a8c967 100755 --- a/tools/testing/selftests/firmware/fw_fallback.sh +++ b/tools/testing/selftests/firmware/fw_fallback.sh @@ -1,4 +1,4 @@ -#!/bin/sh +#!/bin/bash # SPDX-License-Identifier: GPL-2.0 # This validates that the kernel will fall back to using the fallback mechanism # to load firmware it can't find on disk itself. We must request a firmware @@ -6,9 +6,10 @@ # won't find so that we can do the load ourself manually. set -e -modprobe test_firmware +TEST_DIR=$(dirname $0) +source $TEST_DIR/fw_lib.sh -DIR=/sys/devices/virtual/misc/test_firmware +check_mods # CONFIG_FW_LOADER_USER_HELPER has a sysfs class under /sys/class/firmware/ # These days no one enables CONFIG_FW_LOADER_USER_HELPER so check for that diff --git a/tools/testing/selftests/firmware/fw_filesystem.sh b/tools/testing/selftests/firmware/fw_filesystem.sh index f9508e1a4058..748f2f5737e9 100755 --- a/tools/testing/selftests/firmware/fw_filesystem.sh +++ b/tools/testing/selftests/firmware/fw_filesystem.sh @@ -1,4 +1,4 @@ -#!/bin/sh +#!/bin/bash # SPDX-License-Identifier: GPL-2.0 # This validates that the kernel will load firmware out of its list of # firmware locations on disk. Since the user helper does similar work, @@ -6,24 +6,10 @@ # know so we can be sure we're not accidentally testing the user helper. set -e -DIR=/sys/devices/virtual/misc/test_firmware TEST_DIR=$(dirname $0) +source $TEST_DIR/fw_lib.sh -test_modprobe() -{ - if [ ! -d $DIR ]; then - echo "$0: $DIR not present" - echo "You must have the following enabled in your kernel:" - cat $TEST_DIR/config - exit 1 - fi -} - -trap "test_modprobe" EXIT - -if [ ! -d $DIR ]; then - modprobe test_firmware -fi +check_mods # CONFIG_FW_LOADER_USER_HELPER has a sysfs class under /sys/class/firmware/ # These days most distros enable CONFIG_FW_LOADER_USER_HELPER but disable diff --git a/tools/testing/selftests/firmware/fw_lib.sh b/tools/testing/selftests/firmware/fw_lib.sh new file mode 100755 index 000000000000..c14bbca7ecf9 --- /dev/null +++ b/tools/testing/selftests/firmware/fw_lib.sh @@ -0,0 +1,44 @@ +#!/bin/bash +# SPDX-License-Identifier: GPL-2.0 + +# Library of helpers for test scripts. +set -e + +DIR=/sys/devices/virtual/misc/test_firmware + +PROC_CONFIG="/proc/config.gz" +TEST_DIR=$(dirname $0) + +print_reqs_exit() +{ + echo "You must have the following enabled in your kernel:" >&2 + cat $TEST_DIR/config >&2 + exit 1 +} + +test_modprobe() +{ + if [ ! -d $DIR ]; then + print_reqs_exit + fi +} + +check_mods() +{ + trap "test_modprobe" EXIT + if [ ! -d $DIR ]; then + modprobe test_firmware + fi + if [ ! -f $PROC_CONFIG ]; then + if modprobe configs 2>/dev/null; then + echo "Loaded configs module" + if [ ! -f $PROC_CONFIG ]; then + echo "You must have the following enabled in your kernel:" >&2 + cat $TEST_DIR/config >&2 + echo "Resorting to old heuristics" >&2 + fi + else + echo "Failed to load configs module, using old heuristics" >&2 + fi + fi +} |