From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 79423C433F5 for ; Mon, 18 Apr 2022 22:38:34 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S232494AbiDRWlL (ORCPT ); Mon, 18 Apr 2022 18:41:11 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:52128 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S232078AbiDRWkw (ORCPT ); Mon, 18 Apr 2022 18:40:52 -0400 Received: from mga17.intel.com (mga17.intel.com [192.55.52.151]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id EB89224BE3 for ; Mon, 18 Apr 2022 15:38:11 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1650321491; x=1681857491; h=from:to:cc:subject:date:message-id:in-reply-to: references:mime-version:content-transfer-encoding; bh=Qqe9CZqbx1LzydDg2OB/cNQfQbGY15JfthF1aTPvxBY=; b=R7XFCPZfJ0stXfDyc5seswL55fJpr+ig5hF9gnHdbKKq75Bl3eVmeTfv uY9pTGZjRt5nHioNvKUcGXtUCVKT90nq8EO1eTqScSmu5mkSNuH88c6zG 74TGh7sEV25+18Nwu3WJsIcLVT4Vj6V4VVF8Srga9J9+TlvpfFEACU8LG 7Tw3hwY+xPqGLEtsS6b5za3jrAGj9yB2ZN2iVA5ZvTxhhqtJYCfqlRI+e j7NXxoNfWbFgyeiL9ALGoqzfX9QEsriDqBDQFviPKcUwbbkrNGBa+d57B LLP0koafZTPnvG71URIcMlpVt12PNAlwsQBrzMx/tzNw6yLootf7loZNE Q==; X-IronPort-AV: E=McAfee;i="6400,9594,10321"; a="244209684" X-IronPort-AV: E=Sophos;i="5.90,271,1643702400"; d="scan'208";a="244209684" Received: from orsmga003.jf.intel.com ([10.7.209.27]) by fmsmga107.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 18 Apr 2022 15:38:11 -0700 X-IronPort-AV: E=Sophos;i="5.90,271,1643702400"; d="scan'208";a="509907141" Received: from rhweight-mobl.amr.corp.intel.com (HELO rhweight-mobl.ra.intel.com) ([10.209.35.137]) by orsmga003-auth.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 18 Apr 2022 15:38:10 -0700 From: Russ Weight To: mcgrof@kernel.org, rafael@kernel.org, linux-kernel@vger.kernel.org Cc: trix@redhat.com, lgoncalv@redhat.com, yilun.xu@intel.com, hao.wu@intel.com, matthew.gerlach@linux.intel.com, basheer.ahmed.muddebihal@intel.com, tianfei.zhang@intel.com, Russ Weight Subject: [PATCH v3 8/8] selftests: firmware: Add firmware upload selftests Date: Mon, 18 Apr 2022 15:37:53 -0700 Message-Id: <20220418223753.639058-9-russell.h.weight@intel.com> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20220418223753.639058-1-russell.h.weight@intel.com> References: <20220418223753.639058-1-russell.h.weight@intel.com> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Add selftests to verify the firmware upload mechanism. These test include simple firmware uploads as well as upload cancellation and error injection. The test creates three firmware devices and verifies that they all work correctly and independently. Reviewed-by: Luis Chamberlain Signed-off-by: Russ Weight --- v2: - No changes from v1 v3: - Added Reviewed-by tag --- tools/testing/selftests/firmware/Makefile | 2 +- tools/testing/selftests/firmware/config | 1 + tools/testing/selftests/firmware/fw_lib.sh | 7 + .../selftests/firmware/fw_run_tests.sh | 4 + tools/testing/selftests/firmware/fw_upload.sh | 214 ++++++++++++++++++ 5 files changed, 227 insertions(+), 1 deletion(-) create mode 100755 tools/testing/selftests/firmware/fw_upload.sh diff --git a/tools/testing/selftests/firmware/Makefile b/tools/testing/selftests/firmware/Makefile index 40211cd8f0e6..7992969deaa2 100644 --- a/tools/testing/selftests/firmware/Makefile +++ b/tools/testing/selftests/firmware/Makefile @@ -4,7 +4,7 @@ CFLAGS = -Wall \ -O2 TEST_PROGS := fw_run_tests.sh -TEST_FILES := fw_fallback.sh fw_filesystem.sh fw_lib.sh +TEST_FILES := fw_fallback.sh fw_filesystem.sh fw_upload.sh fw_lib.sh TEST_GEN_FILES := fw_namespace include ../lib.mk diff --git a/tools/testing/selftests/firmware/config b/tools/testing/selftests/firmware/config index bf634dda0720..6e402519b117 100644 --- a/tools/testing/selftests/firmware/config +++ b/tools/testing/selftests/firmware/config @@ -3,3 +3,4 @@ CONFIG_FW_LOADER=y CONFIG_FW_LOADER_USER_HELPER=y CONFIG_IKCONFIG=y CONFIG_IKCONFIG_PROC=y +CONFIG_FW_UPLOAD=y diff --git a/tools/testing/selftests/firmware/fw_lib.sh b/tools/testing/selftests/firmware/fw_lib.sh index 5b8c0fedee76..fe8d34dbe7ca 100755 --- a/tools/testing/selftests/firmware/fw_lib.sh +++ b/tools/testing/selftests/firmware/fw_lib.sh @@ -63,6 +63,7 @@ check_setup() HAS_FW_LOADER_USER_HELPER="$(kconfig_has CONFIG_FW_LOADER_USER_HELPER=y)" HAS_FW_LOADER_USER_HELPER_FALLBACK="$(kconfig_has CONFIG_FW_LOADER_USER_HELPER_FALLBACK=y)" HAS_FW_LOADER_COMPRESS="$(kconfig_has CONFIG_FW_LOADER_COMPRESS=y)" + HAS_FW_UPLOAD="$(kconfig_has CONFIG_FW_UPLOAD=y)" PROC_FW_IGNORE_SYSFS_FALLBACK="0" PROC_FW_FORCE_SYSFS_FALLBACK="0" @@ -113,6 +114,12 @@ verify_reqs() exit 0 fi fi + if [ "$TEST_REQS_FW_UPLOAD" = "yes" ]; then + if [ ! "$HAS_FW_UPLOAD" = "yes" ]; then + echo "firmware upload disabled so ignoring test" + exit 0 + fi + fi } setup_tmp_file() diff --git a/tools/testing/selftests/firmware/fw_run_tests.sh b/tools/testing/selftests/firmware/fw_run_tests.sh index 777377078d5e..f6d95a2d5124 100755 --- a/tools/testing/selftests/firmware/fw_run_tests.sh +++ b/tools/testing/selftests/firmware/fw_run_tests.sh @@ -22,6 +22,10 @@ run_tests() proc_set_force_sysfs_fallback $1 proc_set_ignore_sysfs_fallback $2 $TEST_DIR/fw_fallback.sh + + proc_set_force_sysfs_fallback $1 + proc_set_ignore_sysfs_fallback $2 + $TEST_DIR/fw_upload.sh } run_test_config_0001() diff --git a/tools/testing/selftests/firmware/fw_upload.sh b/tools/testing/selftests/firmware/fw_upload.sh new file mode 100755 index 000000000000..c7a6f06c9adb --- /dev/null +++ b/tools/testing/selftests/firmware/fw_upload.sh @@ -0,0 +1,214 @@ +#!/bin/bash +# SPDX-License-Identifier: GPL-2.0 +# This validates the user-initiated fw upload mechanism of the firmware +# loader. It verifies that one or more firmware devices can be created +# for a device driver. It also verifies the data transfer, the +# cancellation support, and the error flows. +set -e + +TEST_REQS_FW_UPLOAD="yes" +TEST_DIR=$(dirname $0) + +progress_states="preparing transferring programming" +errors="hw-error + timeout + device-busy + invalid-file-size + read-write-error + flash-wearout" +error_abort="user-abort" +fwname1=fw1 +fwname2=fw2 +fwname3=fw3 + +source $TEST_DIR/fw_lib.sh + +check_mods +check_setup +verify_reqs + +trap "upload_finish" EXIT + +upload_finish() { + local fwdevs="$fwname1 $fwname2 $fwname3" + + for name in $fwdevs; do + if [ -e "$DIR/$name" ]; then + echo -n "$name" > "$DIR"/upload_unregister + fi + done +} + +upload_fw() { + local name="$1" + local file="$2" + + echo 1 > "$DIR"/"$name"/loading + cat "$file" > "$DIR"/"$name"/data + echo 0 > "$DIR"/"$name"/loading +} + +verify_fw() { + local name="$1" + local file="$2" + + echo -n "$name" > "$DIR"/config_upload_name + if ! cmp "$file" "$DIR"/upload_read > /dev/null 2>&1; then + echo "$0: firmware compare for $name did not match" >&2 + exit 1 + fi + + echo "$0: firmware upload for $name works" >&2 + return 0 +} + +inject_error() { + local name="$1" + local status="$2" + local error="$3" + + echo 1 > "$DIR"/"$name"/loading + echo -n "inject":"$status":"$error" > "$DIR"/"$name"/data + echo 0 > "$DIR"/"$name"/loading +} + +await_status() { + local name="$1" + local expected="$2" + local status + local i + + let i=0 + while [ $i -lt 50 ]; do + status=$(cat "$DIR"/"$name"/status) + if [ "$status" = "$expected" ]; then + return 0; + fi + sleep 1e-03 + let i=$i+1 + done + + echo "$0: Invalid status: Expected $expected, Actual $status" >&2 + return 1; +} + +await_idle() { + local name="$1" + + await_status "$name" "idle" + return $? +} + +expect_error() { + local name="$1" + local expected="$2" + local error=$(cat "$DIR"/"$name"/error) + + if [ "$error" != "$expected" ]; then + echo "Invalid error: Expected $expected, Actual $error" >&2 + return 1 + fi + + return 0 +} + +random_firmware() { + local bs="$1" + local count="$2" + local file=$(mktemp -p /tmp uploadfwXXX.bin) + + dd if=/dev/urandom of="$file" bs="$bs" count="$count" > /dev/null 2>&1 + echo "$file" +} + +test_upload_cancel() { + local name="$1" + local status + + for status in $progress_states; do + inject_error $name $status $error_abort + if ! await_status $name $status; then + exit 1 + fi + + echo 1 > "$DIR"/"$name"/cancel + + if ! await_idle $name; then + exit 1 + fi + + if ! expect_error $name "$status":"$error_abort"; then + exit 1 + fi + done + + echo "$0: firmware upload cancellation works" + return 0 +} + +test_error_handling() { + local name=$1 + local status + local error + + for status in $progress_states; do + for error in $errors; do + inject_error $name $status $error + + if ! await_idle $name; then + exit 1 + fi + + if ! expect_error $name "$status":"$error"; then + exit 1 + fi + + done + done + echo "$0: firmware upload error handling works" +} + +test_fw_too_big() { + local name=$1 + local fw_too_big=`random_firmware 512 5` + local expected="preparing:invalid-file-size" + + upload_fw $name $fw_too_big + rm -f $fw_too_big + + if ! await_idle $name; then + exit 1 + fi + + if ! expect_error $name $expected; then + exit 1 + fi + + echo "$0: oversized firmware error handling works" +} + +echo -n "$fwname1" > "$DIR"/upload_register +echo -n "$fwname2" > "$DIR"/upload_register +echo -n "$fwname3" > "$DIR"/upload_register + +test_upload_cancel $fwname1 +test_error_handling $fwname1 +test_fw_too_big $fwname1 + +fw_file1=`random_firmware 512 4` +fw_file2=`random_firmware 512 3` +fw_file3=`random_firmware 512 2` + +upload_fw $fwname1 $fw_file1 +upload_fw $fwname2 $fw_file2 +upload_fw $fwname3 $fw_file3 + +verify_fw ${fwname1} ${fw_file1} +verify_fw ${fwname2} ${fw_file2} +verify_fw ${fwname3} ${fw_file3} + +echo -n "$fwname1" > "$DIR"/upload_unregister +echo -n "$fwname2" > "$DIR"/upload_unregister +echo -n "$fwname3" > "$DIR"/upload_unregister + +exit 0 -- 2.25.1