Donate to e Foundation | Murena handsets with /e/OS | Own a part of Murena! Learn more

Commit 29a1c00c authored by Luis R. Rodriguez's avatar Luis R. Rodriguez Committed by Greg Kroah-Hartman
Browse files

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: default avatarLuis R. Rodriguez <mcgrof@kernel.org>
Signed-off-by: default avatarGreg Kroah-Hartman <gregkh@linuxfoundation.org>
parent 0c8efd61

tools/testing/selftests/firmware/fw_fallback.sh

+4 −3
Original line number Diff line number Diff line 
#!/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

tools/testing/selftests/firmware/fw_filesystem.sh

+3 −17
Original line number Diff line number Diff line 
#!/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

tools/testing/selftests/firmware/fw_lib.sh

0 → 100755
+44 −0
Original line number Diff line number Diff line 
#!/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

}