Is FreeBSD-current XHCI 1.1 compliant?
rajfbsd at gmail.com
Tue Aug 28 16:41:31 UTC 2018
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
On Thu, Aug 9, 2018 at 2:12 PM Rajesh Kumar <rajfbsd at 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.
> On Thu, Aug 9, 2018 at 1:59 PM Hans Petter Selasky <hps at selasky.org>
>> On 08/09/18 10:25, Rajesh Kumar wrote:
>> > No, I am not aware of any changes to be done specifically. But just
>> > 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
>> > speed upto 5Gbps. So, just wondering whether anything done in FreeBSD
>> > respect to XHCI 1.1 (or) any plans for the same?
>> > Anyway, Thanks for the quick turn-around.
>> 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.
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