linux-kernel - Re: [PATCH v6 1/3] usb: Add Xen pvUSB protocol description

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Date:   Wed, 13 Oct 2021 14:01:32 +0200
From:   Greg KH <greg@...ah.com>
To:     Juergen Gross <jgross@...e.com>
Cc:     linux-usb@...r.kernel.org, xen-devel@...ts.xenproject.org,
        linux-kernel@...r.kernel.org,
        Boris Ostrovsky <boris.ostrovsky@...cle.com>,
        Stefano Stabellini <sstabellini@...nel.org>
Subject: Re: [PATCH v6 1/3] usb: Add Xen pvUSB protocol description

On Wed, Oct 13, 2021 at 09:52:05AM +0200, Juergen Gross wrote:
> Add the definition of pvUSB protocol used between the pvUSB frontend in
> a Xen domU and the pvUSB backend in a Xen driver domain (usually Dom0).
> 
> This header was originally provided by Fujitsu for Xen based on Linux
> 2.6.18.
> 
> Changes are:
> - adapt to Linux kernel style guide
> - use Xen namespace
> - add lots of comments
> - don't use kernel internal defines
> 
> Signed-off-by: Juergen Gross <jgross@...e.com>
> Reviewed-by: Boris Ostrovsky <boris.ostrovsky@...cle.com>
> ---
>  include/xen/interface/io/usbif.h | 421 +++++++++++++++++++++++++++++++
>  1 file changed, 421 insertions(+)
>  create mode 100644 include/xen/interface/io/usbif.h
> 
> diff --git a/include/xen/interface/io/usbif.h b/include/xen/interface/io/usbif.h
> new file mode 100644
> index 000000000000..9494b1c9be99
> --- /dev/null
> +++ b/include/xen/interface/io/usbif.h
> @@ -0,0 +1,421 @@
> +/*
> + * usbif.h
> + *
> + * USB I/O interface for Xen guest OSes.
> + *
> + * Copyright (C) 2009, FUJITSU LABORATORIES LTD.
> + * Author: Noboru Iwamatsu <n_iwamatsu@...fujitsu.com>
> + *
> + * Permission is hereby granted, free of charge, to any person obtaining a copy
> + * of this software and associated documentation files (the "Software"), to
> + * deal in the Software without restriction, including without limitation the
> + * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
> + * sell copies of the Software, and to permit persons to whom the Software is
> + * furnished to do so, subject to the following conditions:
> + *
> + * The above copyright notice and this permission notice shall be included in
> + * all copies or substantial portions of the Software.
> + *
> + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
> + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
> + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
> + * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
> + * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
> + * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
> + * DEALINGS IN THE SOFTWARE.
> + */

Please use a SPDX line and not license "boilerplate" text like this :(

thanks,

greg k-h