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hc

2024-05-14 bedbef8ad3e75a304af6361af235302bcc61d06b

 kernel/tools/testing/selftests/firmware/fw_filesystem.sh
..
..
@@ -86,6 +86,29 @@
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 	fi
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 fi
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+# Try platform (EFI embedded fw) loading too
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+if [ ! -e "$DIR"/trigger_request_platform ]; then
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+	echo "$0: firmware loading: platform trigger not present, ignoring test" >&2
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+else
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+	if printf '\000' >"$DIR"/trigger_request_platform 2> /dev/null; then
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+		echo "$0: empty filename should not succeed (platform)" >&2
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+		exit 1
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+	fi
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+
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+	# Note we echo a non-existing name, since files on the file-system
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+	# are preferred over firmware embedded inside the platform's firmware
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+	# The test adds a fake entry with the requested name to the platform's
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+	# fw list, so the name does not matter as long as it does not exist
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+	if ! echo -n "nope-$NAME" >"$DIR"/trigger_request_platform ; then
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+		echo "$0: could not trigger request platform" >&2
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+		exit 1
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+	fi
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+
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+	# The test verifies itself that the loaded firmware contents matches
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+	# the contents for the fake platform fw entry it added.
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+	echo "$0: platform loading works"
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+fi
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+
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 ### Batched requests tests
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 test_config_present()
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 {
..
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@@ -114,6 +137,36 @@
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 config_set_name()
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 {
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 	echo -n $1 >  $DIR/config_name
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+}
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+
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+config_set_into_buf()
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+{
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+	echo 1 >  $DIR/config_into_buf
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+}
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+
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+config_unset_into_buf()
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+{
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+	echo 0 >  $DIR/config_into_buf
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+}
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+
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+config_set_buf_size()
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+{
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+	echo $1 >  $DIR/config_buf_size
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+}
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+
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+config_set_file_offset()
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+{
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+	echo $1 >  $DIR/config_file_offset
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+}
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+
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+config_set_partial()
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+{
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+	echo 1 >  $DIR/config_partial
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+}
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+
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+config_unset_partial()
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+{
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+	echo 0 >  $DIR/config_partial
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 }
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 config_set_sync_direct()
..
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@@ -153,14 +206,51 @@
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 read_firmwares()
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 {
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+	if [ "$(cat $DIR/config_into_buf)" == "1" ]; then
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+		fwfile="$FW_INTO_BUF"
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+	else
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+		fwfile="$FW"
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+	fi
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+	if [ "$1" = "xzonly" ]; then
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+		fwfile="${fwfile}-orig"
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+	fi
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 	for i in $(seq 0 3); do
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 		config_set_read_fw_idx $i
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 		# Verify the contents are what we expect.
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 		# -Z required for now -- check for yourself, md5sum
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 		# on $FW and DIR/read_firmware will yield the same. Even
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 		# cmp agrees, so something is off.
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-		if ! diff -q -Z "$FW" $DIR/read_firmware 2>/dev/null ; then
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+		if ! diff -q -Z "$fwfile" $DIR/read_firmware 2>/dev/null ; then
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 			echo "request #$i: firmware was not loaded" >&2
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+			exit 1
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+		fi
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+	done
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+}
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+
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+read_partial_firmwares()
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+{
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+	if [ "$(cat $DIR/config_into_buf)" == "1" ]; then
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+		fwfile="${FW_INTO_BUF}"
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+	else
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+		fwfile="${FW}"
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+	fi
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+
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+	if [ "$1" = "xzonly" ]; then
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+		fwfile="${fwfile}-orig"
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+	fi
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+
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+	# Strip fwfile down to match partial offset and length
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+	partial_data="$(cat $fwfile)"
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+	partial_data="${partial_data:$2:$3}"
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+
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+	for i in $(seq 0 3); do
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+		config_set_read_fw_idx $i
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+
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+		read_firmware="$(cat $DIR/read_firmware)"
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+
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+		# Verify the contents are what we expect.
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+		if [ $read_firmware != $partial_data ]; then
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+			echo "request #$i: partial firmware was not loaded" >&2
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 			exit 1
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 		fi
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 	done
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@@ -183,6 +273,33 @@
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 	echo -n "Batched request_firmware() nofile try #$1: "
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 	config_reset
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 	config_set_name nope-test-firmware.bin
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+	config_trigger_sync
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+	read_firmwares_expect_nofile
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+	release_all_firmware
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+	echo "OK"
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+}
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+
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+test_batched_request_firmware_into_buf_nofile()
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+{
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+	echo -n "Batched request_firmware_into_buf() nofile try #$1: "
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+	config_reset
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+	config_set_name nope-test-firmware.bin
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+	config_set_into_buf
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+	config_trigger_sync
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+	read_firmwares_expect_nofile
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+	release_all_firmware
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+	echo "OK"
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+}
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+
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+test_request_partial_firmware_into_buf_nofile()
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+{
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+	echo -n "Test request_partial_firmware_into_buf() off=$1 size=$2 nofile: "
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+	config_reset
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+	config_set_name nope-test-firmware.bin
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+	config_set_into_buf
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+	config_set_partial
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+	config_set_buf_size $2
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+	config_set_file_offset $1
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 	config_trigger_sync
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 	read_firmwares_expect_nofile
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 	release_all_firmware
..
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@@ -246,17 +363,29 @@
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 test_batched_request_firmware()
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 {
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-	echo -n "Batched request_firmware() try #$1: "
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+	echo -n "Batched request_firmware() $2 try #$1: "
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 	config_reset
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 	config_trigger_sync
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-	read_firmwares
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+	read_firmwares $2
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+	release_all_firmware
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+	echo "OK"
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+}
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+
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+test_batched_request_firmware_into_buf()
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+{
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+	echo -n "Batched request_firmware_into_buf() $2 try #$1: "
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+	config_reset
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+	config_set_name $TEST_FIRMWARE_INTO_BUF_FILENAME
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+	config_set_into_buf
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+	config_trigger_sync
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+	read_firmwares $2
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 	release_all_firmware
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 	echo "OK"
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 }
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 test_batched_request_firmware_direct()
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 {
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-	echo -n "Batched request_firmware_direct() try #$1: "
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+	echo -n "Batched request_firmware_direct() $2 try #$1: "
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 	config_reset
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 	config_set_sync_direct
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 	config_trigger_sync
..
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@@ -266,7 +395,7 @@
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 test_request_firmware_nowait_uevent()
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 {
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-	echo -n "Batched request_firmware_nowait(uevent=true) try #$1: "
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+	echo -n "Batched request_firmware_nowait(uevent=true) $2 try #$1: "
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 	config_reset
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 	config_trigger_async
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 	release_all_firmware
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..
@@ -275,13 +404,33 @@
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 test_request_firmware_nowait_custom()
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 {
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-	echo -n "Batched request_firmware_nowait(uevent=false) try #$1: "
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+	echo -n "Batched request_firmware_nowait(uevent=false) $2 try #$1: "
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 	config_reset
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 	config_unset_uevent
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 	RANDOM_FILE_PATH=$(setup_random_file)
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 	RANDOM_FILE="$(basename $RANDOM_FILE_PATH)"
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+	if [ "$2" = "both" ]; then
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+		xz -9 -C crc32 -k $RANDOM_FILE_PATH
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+	elif [ "$2" = "xzonly" ]; then
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+		xz -9 -C crc32 $RANDOM_FILE_PATH
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+	fi
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 	config_set_name $RANDOM_FILE
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 	config_trigger_async
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+	release_all_firmware
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+	echo "OK"
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+}
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+
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+test_request_partial_firmware_into_buf()
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+{
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+	echo -n "Test request_partial_firmware_into_buf() off=$1 size=$2: "
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+	config_reset
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+	config_set_name $TEST_FIRMWARE_INTO_BUF_FILENAME
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+	config_set_into_buf
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+	config_set_partial
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+	config_set_buf_size $2
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+	config_set_file_offset $1
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+	config_trigger_sync
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+	read_partial_firmwares normal $1 $2
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 	release_all_firmware
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 	echo "OK"
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 }
..
..
@@ -294,20 +443,30 @@
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 echo
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 echo "Testing with the file present..."
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 for i in $(seq 1 5); do
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-	test_batched_request_firmware $i
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+	test_batched_request_firmware $i normal
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 done
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 for i in $(seq 1 5); do
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-	test_batched_request_firmware_direct $i
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+	test_batched_request_firmware_into_buf $i normal
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 done
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 for i in $(seq 1 5); do
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-	test_request_firmware_nowait_uevent $i
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+	test_batched_request_firmware_direct $i normal
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 done
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 for i in $(seq 1 5); do
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-	test_request_firmware_nowait_custom $i
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+	test_request_firmware_nowait_uevent $i normal
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 done
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+
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+for i in $(seq 1 5); do
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+	test_request_firmware_nowait_custom $i normal
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+done
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+
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+# Partial loads cannot use fallback, so do not repeat tests.
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+test_request_partial_firmware_into_buf 0 10
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+test_request_partial_firmware_into_buf 0 5
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+test_request_partial_firmware_into_buf 1 6
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+test_request_partial_firmware_into_buf 2 10
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 # Test for file not found, errors are expected, the failure would be
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 # a hung task, which would require a hard reset.
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@@ -315,6 +474,10 @@
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 echo "Testing with the file missing..."
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 for i in $(seq 1 5); do
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 	test_batched_request_firmware_nofile $i
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+done
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+
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+for i in $(seq 1 5); do
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+	test_batched_request_firmware_into_buf_nofile $i
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 done
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 for i in $(seq 1 5); do
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@@ -329,4 +492,61 @@
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 	test_request_firmware_nowait_custom_nofile $i
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 done
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+# Partial loads cannot use fallback, so do not repeat tests.
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+test_request_partial_firmware_into_buf_nofile 0 10
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+test_request_partial_firmware_into_buf_nofile 0 5
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+test_request_partial_firmware_into_buf_nofile 1 6
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+test_request_partial_firmware_into_buf_nofile 2 10
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+
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+test "$HAS_FW_LOADER_COMPRESS" != "yes" && exit 0
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+
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+# test with both files present
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+xz -9 -C crc32 -k $FW
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+config_set_name $NAME
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+echo
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+echo "Testing with both plain and xz files present..."
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+for i in $(seq 1 5); do
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+	test_batched_request_firmware $i both
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+done
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+
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+for i in $(seq 1 5); do
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+	test_batched_request_firmware_into_buf $i both
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+done
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+
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+for i in $(seq 1 5); do
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+	test_batched_request_firmware_direct $i both
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+done
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+
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+for i in $(seq 1 5); do
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+	test_request_firmware_nowait_uevent $i both
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+done
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+
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+for i in $(seq 1 5); do
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+	test_request_firmware_nowait_custom $i both
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+done
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+
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+# test with only xz file present
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+mv "$FW" "${FW}-orig"
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+echo
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+echo "Testing with only xz file present..."
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+for i in $(seq 1 5); do
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+	test_batched_request_firmware $i xzonly
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+done
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+
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+for i in $(seq 1 5); do
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+	test_batched_request_firmware_into_buf $i xzonly
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+done
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+
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+for i in $(seq 1 5); do
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+	test_batched_request_firmware_direct $i xzonly
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+done
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+
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+for i in $(seq 1 5); do
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+	test_request_firmware_nowait_uevent $i xzonly
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+done
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+
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+for i in $(seq 1 5); do
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+	test_request_firmware_nowait_custom $i xzonly
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+done
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+
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 exit 0