From 2294035acb128bbdcd59f395f7d5f35b62ea021e Mon Sep 17 00:00:00 2001
From: Anders Roxell <anders.roxell@linaro.org>
Date: Wed, 11 Sep 2024 11:30:58 +0200
Subject: [PATCH] automated: linux: add peripheral usb-gadget-framwork

This commit introduces a new framework for testing USB gadget
functionalities. The addition includes support for configuring a mass
storage and testing USB peripheral devices within the test environment.

Signed-off-by: Anders Roxell <anders.roxell@linaro.org>
---
 .../linux/peripherals/usb-gadget-framwork.sh  | 47 +++++++++++++++++++
 .../peripherals/usb-gadget-framwork.yaml      | 22 +++++++++
 2 files changed, 69 insertions(+)
 create mode 100755 automated/linux/peripherals/usb-gadget-framwork.sh
 create mode 100644 automated/linux/peripherals/usb-gadget-framwork.yaml

diff --git a/automated/linux/peripherals/usb-gadget-framwork.sh b/automated/linux/peripherals/usb-gadget-framwork.sh
new file mode 100755
index 000000000..1a2031806
--- /dev/null
+++ b/automated/linux/peripherals/usb-gadget-framwork.sh
@@ -0,0 +1,47 @@
+#!/bin/sh
+# SPDX-License-Identifier: GPL-2.0-only
+# Copyright (C) 2024 Linaro Ltd.
+
+# shellcheck disable=SC1091
+. ../../lib/sh-test-lib
+OUTPUT="$(pwd)/output"
+RESULT_FILE="${OUTPUT}/result.txt"
+export RESULT_FILE
+
+! check_root && error_msg "This script must be run as root"
+create_out_dir "${OUTPUT}"
+info_msg "Output directory: ${OUTPUT}"
+
+# CONFIG_USB_GADGET=y
+# CONFIG_USB_CONFIGFS=y
+# CONFIG_USB_DUMMY_HCD=m
+# CONFIG_USB_F_MASS_STORAGE=m
+
+eval "modprobe dummy_hcd"
+check_return "modprobe dummy_hcd"
+
+#Setup USB Gadget in ConfigFS
+mkdir /sys/kernel/config/usb_gadget/g1
+cd /sys/kernel/config/usb_gadget/g1 || exit
+echo 0x1d6b > idVendor    # Linux Foundation
+echo 0x0104 > idProduct   # Multifunction Composite Gadget
+mkdir strings/0x409
+echo "0123456789" > strings/0x409/serialnumber
+echo "My Gadget" > strings/0x409/manufacturer
+echo "Test Device" > strings/0x409/product
+
+eval "dd bs=1M count=16 if=/dev/zero of=/tmp/lun0.img"
+check_return "dd bs=1M count=16 if=/dev/zero of=/tmp/lun0.img"
+
+# Create function and configure endpoint (e.g., mass storage, serial)
+mkdir -p functions/mass_storage.0
+
+eval "echo /tmp/lun0.img > functions/mass_storage.0/lun.0/file"
+check_return "echo /tmp/lun0.img > functions/mass_storage.0/lun.0/file"
+
+# Bind the gadget to the virtual controller
+mkdir configs/c.1
+ln -s functions/mass_storage.0 configs/c.1/
+eval "echo dummy_udc.0 > UDC"
+check_return "echo dummy_udc.0 > UDC"
+cd - || exit
diff --git a/automated/linux/peripherals/usb-gadget-framwork.yaml b/automated/linux/peripherals/usb-gadget-framwork.yaml
new file mode 100644
index 000000000..4f3ee244c
--- /dev/null
+++ b/automated/linux/peripherals/usb-gadget-framwork.yaml
@@ -0,0 +1,22 @@
+metadata:
+    format: Lava-Test Test Definition 1.0
+    name: module-tests
+    description: |
+                 USB Gadget Framwork test
+    maintainer:
+        - anders.roxell@linaro.org
+    os:
+        - debian
+        - ubuntu
+        - openembedded
+    scope:
+        - functional
+    devices:
+        - rockpi4
+        - x86
+
+run:
+    steps:
+        - cd ./automated/linux/peripherals/
+        - ./usb-gadget-framwork.sh
+        - ../../utils/send-to-lava.sh ./output/result.txt