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Date:      Thu, 9 Aug 2018 14:12:13 +0530
From:      Rajesh Kumar <rajfbsd@gmail.com>
To:        hps@selasky.org
Cc:        freebsd-usb@freebsd.org
Subject:   Re: Is FreeBSD-current XHCI 1.1 compliant?
Message-ID:  <CAAO%2BANOSQ-F_Cat4AH59M8gtw-crdLunLYGv%2BbM%2BjgChAe1NEA@mail.gmail.com>
In-Reply-To: <7683a29a-2323-69ec-8f98-094980de62e7@selasky.org>
References:  <CAAO%2BANMszVRzifqja_U=VPTvr%2BoOLXduBV4JyACJgBWv5p9cOQ@mail.gmail.com> <679a5fd9-a3ee-b4a6-8a0c-6a1a7b850154@selasky.org> <CAAO%2BANNfXodbjzT3YT-M-S9YE=%2BPrMy5ErTrOq=x5Hy9-jyWpA@mail.gmail.com> <7683a29a-2323-69ec-8f98-094980de62e7@selasky.org>

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Ok Hans, I don't have any XHCI 1.1 device at this point. I raised the
question in general to know the state in FreeBSD.  If I come across any
inputs, I will definitely update the group.

Thanks.

On Thu, Aug 9, 2018 at 1:59 PM Hans Petter Selasky <hps@selasky.org> wrote:

> On 08/09/18 10:25, Rajesh Kumar wrote:
> > No, I am not aware of any changes to be done specifically. But just
> wanted
> > to know whether the -CURRENT code is compliant to the latest standard.
> >
> > What I understand is, with XHCI 1.1, USB 3.1 is supported with speed of
> > upto 10Gbps. But freebsd xhci manpage says, it supports upto USB 3.0 with
> > speed upto 5Gbps. So, just wondering whether anything done in FreeBSD
> with
> > respect to XHCI 1.1 (or) any plans for the same?
> >
> > Anyway, Thanks for the quick turn-around.
>
> Hi,
>
> The FreeBSD XHCI driver does not use the speed information provided by
> the XHCI PCI descriptors currently nor any internal registers. Even if
> the device is 10Gbps capable it will be listed as 5Gbps. If you have an
> XHCI 1.1 device and the FreeBSD XHCI driver works, we might want to
> update the manual page.
>
> --HPS
>
>



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