Re: [qemu-s390x] [PATCH v3 00/16] s390: vfio-ccw dasd ipl support

[Cornelia Huck]

On Fri,  1 Mar 2019 13:59:20 -0500
"Jason J. Herne" <address@hidden> wrote:

> This is to support booting from vfio-ccw dasd devices. We basically implement
> the real hardware ipl procedure. This allows for booting Linux guests on
> vfio-ccw devices.
> 
> vfio-ccw's channel program prefetch algorithm complicates ipl because most ipl
> channel programs dynamically modify themselves. Details on the ipl process and
> how we worked around this issue can be found in docs/devel/s390-dasd-ipl.txt.
> 
> Note to Connie: In the v2 review you mentioned some issues with the error
> handling code involving printing of the eckd dasd sense data. I've addressed
> those concerns in a new patch just to make those changes clearly stand out 
> from
> the rest of the code. I can squash them into patches 10, 11, and 15 if you
> prefer that to having it as a separate patch.

Whatever makes sense... but I'll let the s390 bios maintainers decide.

Speaking of which: Please do keep Thomas on cc:...

[This is probably a bit late for 4.0, as softfreeze is next Tuesday and
pull requests for master need to be on-list by then... speaking of pull
requests: I'd prefer to queue this via a pull request from the bios
maintainers rather than picking the patches myself, if possible.]