MMC/SDIO stack under CAM

[Warner Losh]

On Mon, Feb 15, 2016 at 7:22 AM, NGie Cooper <yaneurabeya at gmail.com> wrote:

>
> > On Feb 15, 2016, at 02:13, Ilya Bakulin <ilya at bakulin.de> wrote:
> >
> > On 2016-02-11 19:54, Stanislav Sedov wrote:
> >>> On Feb 11, 2016, at 10:47 AM, Ilya Bakulin <ilya at bakulin.de> wrote:
> >>> I'll use an excellent opportunity to post a small status update about
> my work :-)
> >>> * SDHC controller on Wandboard now works with the new stack;
> >>> * SDIO block read now works!
> >>> * camcontrol userland app is extended to support "mmcsdcmd" command
> that allows to send MMC commands from userland apps directly to the card
> via pass(4) device -- now we can write WLAN driver in userland :-D
> >> Great news, userspace drivers are the best!:)
> >> So what are the remaining pieces that prevent this work from hitting
> the HEAD?
> >> --
> >> Stanislav Sedov
> >> ST4096-RIPE
> >
> > Hi Stas,
> >
> > As I'm not a committer, someone needs to review my code and assist in
> intergration into -HEAD :-)
> > Currently nobody was able to do a review because of -ENOTIME.
> > The only feature that is missing in the new stack (from my PoV) is
> working with high-speed cards -- I just haven't implemented switching to
> high-speed mode yet. Although now it's possible to send required commands
> to the card and then switch controller speed -- all using camcontrol
> mmcsdcmd :-).
> >
> > Do you know anyone not on CC line who is able to help me with this? Or
> maybe you could even find some time yourself?
>
> Hi Ilya,
>     Could you please post the patch to phrabricator and CC the interested
> parties/me?
>

It's been up on phab for a while. There's been some comments on it. There's
some
things wrong still that I've been meaning to get bcak to Ilya on.

When it is ready, I plan on committing this. It goes hand in hand with the
nvme CAM stuff
I've been working on.

Anybody can take a look at it: https://reviews.freebsd.org/D4761

Warner