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Date:      Tue, 28 Aug 2018 21:04:38 +0200
From:      Hans Petter Selasky <hps@selasky.org>
To:        Rajesh Kumar <rajfbsd@gmail.com>
Cc:        freebsd-usb@freebsd.org
Subject:   Re: Is FreeBSD-current XHCI 1.1 compliant?
Message-ID:  <c5ace119-03fc-5a39-57ef-e3d1e4470dcc@selasky.org>
In-Reply-To: <CAAO%2BANNFTVWpUGBtn%2BoW2Y3Ccv7QUAERea4onq%2BwopOxh-0vig@mail.gmail.com>
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> <CAAO%2BANOSQ-F_Cat4AH59M8gtw-crdLunLYGv%2BbM%2BjgChAe1NEA@mail.gmail.com> <CAAO%2BANNFTVWpUGBtn%2BoW2Y3Ccv7QUAERea4onq%2BwopOxh-0vig@mail.gmail.com>

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On 8/28/18 6:41 PM, Rajesh Kumar wrote:
> Hi Hans,
> 
> We have tried using a SSD disk with a USB 3.1 gen 2 to SATA bridge device
> (XHCI 1.1).  The disk is detected and usable.  But seems it works in
> "Bulk-Only" mode. Is there any plans to support USB attached SCSI?  I see a
> tunable "hw.usb.xhci.streams" to enable USB streams.  But seems it does
> nothing much.

Hi,

Streams mode is disabled by default (hw.usb.xhci.streams=0) and we have 
no drivers using it :-(

--HPS



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