Re: [PATCH 12/15] RDMA/hbl: direct verbs support

[Leon Romanovsky <leon@kernel.org>]

On Sun, Jul 07, 2024 at 08:42:59AM +0000, Omer Shpigelman wrote:
> On 7/7/24 10:57, Leon Romanovsky wrote:
> > On Thu, Jul 04, 2024 at 10:31:18AM +0000, Omer Shpigelman wrote:
> >> On 6/13/24 11:22, Omer Shpigelman wrote:
> >>> Add direct verbs (DV) uAPI.
> >>> The added operations are:
> >>> query_port: query vendor specific port attributes.
> >>> set_port_ex: set port extended settings.
> >>> usr_fifo: set user FIFO object for triggering HW doorbells.
> >>> encap: set port encapsulation (UDP/IPv4).
> >>>
> >>> Signed-off-by: Omer Shpigelman <oshpigelman@habana.ai>
> >>> Co-developed-by: Abhilash K V <kvabhilash@habana.ai>
> >>> Signed-off-by: Abhilash K V <kvabhilash@habana.ai>
> >>> Co-developed-by: Andrey Agranovich <aagranovich@habana.ai>
> >>> Signed-off-by: Andrey Agranovich <aagranovich@habana.ai>
> >>> Co-developed-by: Bharat Jauhari <bjauhari@habana.ai>
> >>> Signed-off-by: Bharat Jauhari <bjauhari@habana.ai>
> >>> Co-developed-by: David Meriin <dmeriin@habana.ai>
> >>> Signed-off-by: David Meriin <dmeriin@habana.ai>
> >>> Co-developed-by: Sagiv Ozeri <sozeri@habana.ai>
> >>> Signed-off-by: Sagiv Ozeri <sozeri@habana.ai>
> >>> Co-developed-by: Zvika Yehudai <zyehudai@habana.ai>
> >>> Signed-off-by: Zvika Yehudai <zyehudai@habana.ai>
> >>> ---
> >>
> >> <..>
> >>
> >> Hi Leon,
> >>  
> >> I'd like to ask if it will be possible to add a DV for dumping a QP. The
> >> standard way to dump a QP is with rdma resource tool but it might not be
> >> available for us on all environments. Hence it will be best for us to add
> >> a direct uAPI for exposing this info, similarly to our query port DV.
> >> Will that be acceptable? or maybe is there any other way we can achieve
> >> this ability?
> > 
> > I don't know, new rdma-core library with new API will be available,
> > but stdnalone tool which can be statically linked won't. How is it possible?
> > 
> 
> If iproute2 package was manually removed from some reason.

If it is user's decision to remove it, it is user's responsibility to
deal with consequences.

Thanks

> 
> > Thanks
> > 
> >>  
> >> Thanks
>