From: Or Gerlitz <ogerlitz-VPRAkNaXOzVWk0Htik3J/w@public.gmane.org>
To: Bob Biloxi <iambobbiloxi-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>,
"linux-rdma-u79uwXL29TY76Z2rM5mHXA@public.gmane.org"
<linux-rdma-u79uwXL29TY76Z2rM5mHXA@public.gmane.org>
Subject: Re: FMR Support in multi-function environment
Date: Tue, 11 Nov 2014 08:25:59 +0200 [thread overview]
Message-ID: <5461ABF7.7050609@mellanox.com> (raw)
In-Reply-To: <CANwwZzU+QzHqjo2wc-_E36E7PQMJhuuBsVW_Ux+JVfM_a+Ydqw-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
On 11/10/2014 4:28 PM, Bob Biloxi wrote:
> Suppose a VF driver wants to register large amount of memory using
> FMR, will it be able to do so using the mlx4 code.
no, the proprietary FMRs are not supported for mlx4 VFs, nor for mlx5
both PF/VFs
>
> Or FMR is supported only in dedicated mode?
use the fast reg API, see for example this commit 5587856 "IB/iser:
Introduce fast memory registration model (FRWR)" how this is done. The
API was introduced in commit 00f7ec3 "RDMA/core: Add memory management
extensions support"
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next prev parent reply other threads:[~2014-11-11 6:25 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2014-11-10 14:28 FMR Support in multi-function environment Bob Biloxi
[not found] ` <CANwwZzU+QzHqjo2wc-_E36E7PQMJhuuBsVW_Ux+JVfM_a+Ydqw-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
2014-11-11 6:25 ` Or Gerlitz [this message]
[not found] ` <5461ABF7.7050609-VPRAkNaXOzVWk0Htik3J/w@public.gmane.org>
2014-11-11 6:54 ` Bob Biloxi
2014-11-11 10:54 ` Jack Morgenstein
2014-11-11 13:32 ` Bob Biloxi
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