Re: [PATCH v5 09/21] IB/hns: Add hca support

[Wei Hu (Xavier)]

On 2016/5/3 16:14, Or Gerlitz wrote:
> On Tue, May 3, 2016 at 10:57 AM, Wei Hu (Xavier)
> <xavier.huwei@xxxxxxxxxx> wrote:
> > On 2016/4/30 12:33, Or Gerlitz wrote:
>
> > > Can you elaborate what design aspects in the driver or anywhere else
> > > should impose that limitation?
> > 1.  Oulijun resolved the problem, and sent PATCH V6 on 2016-4-28. Thanks for
> > more comments.
> V6 still conditions things on ARM
>
>
> > 2.  This driver for Hisilicon RoCE Engine run in ARM SoCs.
> > The Hisilicon Network Subsystem is a long term evolution IP which is
> > supposed to be used in Hisilicon ICT SoCs. HNS(Hisilicon Network Subsystem)
> > has a hardware support of performing RDMA with RoCE engine.
> I understand that the HW is targeted just for ARM environments. Is
> this the reason
> why you want to impose this build limitation or there's something in
> the driver design
> or code that is not going to work in other environments?
yes.

Regards
Wei Hu
> > This Kconfig related with this driver as below:
> >
> > config INFINIBAND_HISILICON_HNS
> >      tristate "Hisilicon Hns ROCE Driver"
> >      depends on NET_VENDOR_HISILICON
> >      depends on ARM64 && HNS && HNS_DSAF && HNS_ENET
> this is understood, my question came to better understand the limitations
>
> .