[PATCH v2 5/5] test: x86: add test for uefi usb io

Ahmad Fatoum a.fatoum at pengutronix.de
Wed Aug 19 02:18:14 PDT 2026


Hi,

On 8/17/26 10:47 AM, Fabian Pflug wrote:
> Check, that the EFI-USB-IO controller will create a USB Network device
> in barebox. The device has currently no driver, but is available
> nevertheless.

Thanks for adding a test!

> 
> Signed-off-by: Fabian Pflug <f.pflug at pengutronix.de>

Reviewed-by: Ahmad Fatoum <a.fatoum at pengutronix.de>

Cheers,
Ahmad


> ---
>  drivers/usb/host/efi-io-protocol.c | 15 ++++++++++++---
>  test/x86/pc at efi_defconfig.yaml     |  9 ++++++++-
>  2 files changed, 20 insertions(+), 4 deletions(-)
> 
> diff --git a/drivers/usb/host/efi-io-protocol.c b/drivers/usb/host/efi-io-protocol.c
> index 8207d33dcf..fdd21f24a0 100644
> --- a/drivers/usb/host/efi-io-protocol.c
> +++ b/drivers/usb/host/efi-io-protocol.c
> @@ -145,6 +145,16 @@ static int efi_get_usb_string(struct efi_usb_io_protocol *protocol, u16 lang_id,
>  	return 0;
>  }
>  
> +static void print_usb_device_info(struct device *dev)
> +{
> +	struct usb_device *usb_dev = container_of(dev, struct usb_device, dev);
> +
> +	dev_info(dev, "Bus %03d Device %03d: ID %04x:%04x %s\n",
> +		 usb_dev->host->busnum, usb_dev->devnum,
> +		 usb_dev->descriptor->idVendor, usb_dev->descriptor->idProduct,
> +		 usb_dev->prod);
> +}
> +
>  static int create_usb_device(struct efi_usb_io_priv *priv)
>  {
>  	struct usb_host *host = &priv->host;
> @@ -256,9 +266,8 @@ static int create_usb_device(struct efi_usb_io_priv *priv)
>  	if (err)
>  		goto out_err;
>  
> -	dev_info(&dev->dev, "Bus %03d Device %03d: ID %04x:%04x %s\n",
> -		 dev->host->busnum, dev->devnum, dev->descriptor->idVendor,
> -		 dev->descriptor->idProduct, dev->prod);
> +	print_usb_device_info(&dev->dev);
> +	devinfo_add(&dev->dev, print_usb_device_info);
>  
>  	err = register_device(&dev->dev);
>  	if (err) {
> diff --git a/test/x86/pc at efi_defconfig.yaml b/test/x86/pc at efi_defconfig.yaml
> index 2c077d5509..4feabb232d 100644
> --- a/test/x86/pc at efi_defconfig.yaml
> +++ b/test/x86/pc at efi_defconfig.yaml
> @@ -8,7 +8,11 @@ targets:
>          memory: 1024M
>          kernel: barebox.efi
>          display: qemu-default
> -        extra_args: '-bios OVMF.fd'
> +        extra_args: >
> +          -bios OVMF.fd
> +          -device qemu-xhci,id=xhci
> +          -device usb-net,netdev=usb0,bus=xhci.0
> +          -netdev user,id=usb0
>        BareboxDriver:
>          prompt: 'barebox@[^:]+:[^ ]+ '
>          bootstring: 'commandline:'
> @@ -16,6 +20,7 @@ targets:
>      features:
>        - pci
>      devices:
> +      usb1: 'usb1: Bus 001 Device 000: ID 0525:a4a2 RNDIS/QEMU USB Network Device'
>        fb0: 'Type: primary'
>        fbconsole0: 'Parent: fb0'
>        wdog0: 'Parent: efi-wdt'
> @@ -25,6 +30,8 @@ targets:
>        acpi-APIC0: 'Signature: APIC (Multiple APIC Description Table)'
>      runner:
>        kconfig_add:
> +        - CONFIG_USB_HOST=y
> +        - CONFIG_USB_EFI_IO_PROTOCOL=y
>          - CONFIG_DRIVER_SERIAL_NS16550=y
>          - CONFIG_CONSOLE_ACTIVATE_FIRST=y # avoid duplicate output
>  images:
> 

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