Date: Tue, 28 Aug 2018 22:11:18 +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%2BANNFTVWpUGBtn%2BoW2Y3Ccv7QUAERea4onq%2BwopOxh-0vig@mail.gmail.com> In-Reply-To: <CAAO%2BANOSQ-F_Cat4AH59M8gtw-crdLunLYGv%2BbM%2BjgChAe1NEA@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>
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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. On Thu, Aug 9, 2018 at 2:12 PM Rajesh Kumar <rajfbsd@gmail.com> wrote: > 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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