linux-kernel - Re: [Patch v4 06/12] net: mana: Define data structures for protection domain and memory registration

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Date:   Wed, 20 Jul 2022 20:43:36 -0300
From:   Jason Gunthorpe <jgg@...pe.ca>
To:     Dexuan Cui <decui@...rosoft.com>
Cc:     Long Li <longli@...rosoft.com>, KY Srinivasan <kys@...rosoft.com>,
        Haiyang Zhang <haiyangz@...rosoft.com>,
        Stephen Hemminger <sthemmin@...rosoft.com>,
        Wei Liu <wei.liu@...nel.org>,
        "David S. Miller" <davem@...emloft.net>,
        Jakub Kicinski <kuba@...nel.org>,
        Paolo Abeni <pabeni@...hat.com>,
        Leon Romanovsky <leon@...nel.org>,
        "edumazet@...gle.com" <edumazet@...gle.com>,
        "shiraz.saleem@...el.com" <shiraz.saleem@...el.com>,
        Ajay Sharma <sharmaajay@...rosoft.com>,
        "linux-hyperv@...r.kernel.org" <linux-hyperv@...r.kernel.org>,
        "netdev@...r.kernel.org" <netdev@...r.kernel.org>,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
        "linux-rdma@...r.kernel.org" <linux-rdma@...r.kernel.org>
Subject: Re: [Patch v4 06/12] net: mana: Define data structures for
 protection domain and memory registration

On Mon, Jul 11, 2022 at 01:29:08AM +0000, Dexuan Cui wrote:
> > From: longli@...uxonhyperv.com <longli@...uxonhyperv.com>
> > Sent: Wednesday, June 15, 2022 7:07 PM
> > 
> > The MANA hardware support protection domain and memory registration for
> s/support/supports
>  
> > diff --git a/drivers/net/ethernet/microsoft/mana/gdma.h
> > b/drivers/net/ethernet/microsoft/mana/gdma.h
> > index f945755760dc..b1bec8ab5695 100644
> > --- a/drivers/net/ethernet/microsoft/mana/gdma.h
> > +++ b/drivers/net/ethernet/microsoft/mana/gdma.h
> > @@ -27,6 +27,10 @@ enum gdma_request_type {
> >  	GDMA_CREATE_DMA_REGION		= 25,
> >  	GDMA_DMA_REGION_ADD_PAGES	= 26,
> >  	GDMA_DESTROY_DMA_REGION		= 27,
> > +	GDMA_CREATE_PD			= 29,
> > +	GDMA_DESTROY_PD			= 30,
> > +	GDMA_CREATE_MR			= 31,
> > +	GDMA_DESTROY_MR			= 32,
> These are not used in this patch. They're used in the 12th 
> patch for the first time. Can we move these to that patch?

This looks like RDMA code anyhow, why is it under net/ethernet?

Jason