From mboxrd@z Thu Jan 1 00:00:00 1970 From: Sagi Grimberg Subject: Re: [PATCH] IB/mlx: Expose max_fmr to ib_query_device Date: Thu, 29 Oct 2015 19:21:45 +0200 Message-ID: <563255A9.1050705@dev.mellanox.co.il> References: <1446134879-20456-1-git-send-email-yuval.shaia@oracle.com> Mime-Version: 1.0 Content-Type: text/plain; charset=windows-1252; format=flowed Content-Transfer-Encoding: 7bit Return-path: In-Reply-To: <1446134879-20456-1-git-send-email-yuval.shaia-QHcLZuEGTsvQT0dZR+AlfA@public.gmane.org> Sender: linux-rdma-owner-u79uwXL29TY76Z2rM5mHXA@public.gmane.org To: Yuval Shaia , linux-rdma-u79uwXL29TY76Z2rM5mHXA@public.gmane.org, Or Gerlitz List-Id: linux-rdma@vger.kernel.org Hi Yuval, The title prefix should be IB/mlx4: > Expose max_fmr so it will be available to ULPs. > max_fmr is num_mpts minus reserved. > > Signed-off-by: Yuval Shaia > --- > drivers/infiniband/hw/mlx4/main.c | 1 + > 1 files changed, 1 insertions(+), 0 deletions(-) > > diff --git a/drivers/infiniband/hw/mlx4/main.c b/drivers/infiniband/hw/mlx4/main.c > index efecdf0..4f9ff35 100644 > --- a/drivers/infiniband/hw/mlx4/main.c > +++ b/drivers/infiniband/hw/mlx4/main.c > @@ -475,6 +475,7 @@ static int mlx4_ib_query_device(struct ib_device *ibdev, > props->max_mcast_qp_attach = dev->dev->caps.num_qp_per_mgm; > props->max_total_mcast_qp_attach = props->max_mcast_qp_attach * > props->max_mcast_grp; > + props->max_fmr = dev->dev->caps.num_mpts - dev->dev->caps.reserved_mrws; Umm, this looks like a capability that needs to communicated from the device. Perhaps this needs to be added to CX3 FW? Or? -- To unsubscribe from this list: send the line "unsubscribe linux-rdma" in the body of a message to majordomo-u79uwXL29TY76Z2rM5mHXA@public.gmane.org More majordomo info at http://vger.kernel.org/majordomo-info.html