Re: [PATCH v6 0/4] Hyper-V netvsc PMD and VMBus support

[Stephen Hemminger <stephen@networkplumber.org>]

On Fri, 11 May 2018 17:50:37 +0100
Ferruh Yigit <ferruh.yigit@intel.com> wrote:

> On 5/9/2018 1:26 AM, Stephen Hemminger wrote:
> > This is a revised version of the Hyper-V native bus (VMBus)
> > and network device (netvsc) drivers. This virtual device
> > is used in Microsoft Hyper-V in Windows 10, Windows Server 2016
> > and Azure. Most of this code was extracted from FreeBSD and some of
> > this is from earlier code donated by Brocade.
> > 
> > Only Linux is supported at present, but the code is split
> > to allow future FreeBSD and Windows support.
> > 
> > This version works with upstream kernel (4.16) but in that
> > mode only a single queue is supported. With additional
> > patches that are pending for 5.0 kernel, multi-queue
> > support works as well.
> > 
> > Device binding is best done via driverctl; this required some
> > additional fixes to kernel and driverctl to work correctly.
> > Linux kernel vmbus support needed to support sysfs driver_override
> > and driverctl needed to handle non-PCI bus from udev.
> >  https://gitlab.com/driverctl/driverctl/merge_requests/3
> >  http://driverdev.linuxdriverproject.org/pipermail/driverdev-devel/2018-April/118889.html
> > 
> > v6
> >   - rebase to current 18.05
> >   - fix RSS initialization
> >   - minor documentation fixes
> > 
> > v5
> >   - rebase to current 18.05
> >   - fix message from vmbus due to race on sysfs for sub channel
> > 
> > v4
> >   - don't enable by default because of uuid library dependency
> >   - api's are internal no need to mark experimental
> >   - add netvsc ini file
> >   - fix MAINTAINERS entry
> > 
> > v3
> >   - fix documentation to format correctly and include more info
> >     about binding
> >   - fix build on 32 bit
> >   - minor white space and indentation fixes
> > 
> > Stephen Hemminger (4):
> >   bus/vmbus: add hyper-v virtual bus support
> >   net/netvsc: add hyper-v netvsc network device
> >   net/netvsc: add documentation
> >   bus/vmbus and net/netvsc: add meson build support  
> 
> I confirm my test scripts passes for x86, not able to cross build for other
> architectures because of uuid dependency and I am missing cross version of it.
> note: need to enable both LIBRTE_VMBUS & NETVSC_PMD
> 
> Overall series looks good to me.

Released versions of Hyper-V/Azure are x86 only.
Libuuid should be available for all architectures, for example Debian support x85, arm, mips, ppc, s390