From patchwork Tue Jan 3 21:55:28 2017 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Saeed Mahameed X-Patchwork-Id: 710711 X-Patchwork-Delegate: davem@davemloft.net Return-Path: X-Original-To: patchwork-incoming@ozlabs.org Delivered-To: patchwork-incoming@ozlabs.org Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by ozlabs.org (Postfix) with ESMTP id 3ttSSC1WVcz9snk for ; Wed, 4 Jan 2017 08:55:55 +1100 (AEDT) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1758164AbdACVzu (ORCPT ); Tue, 3 Jan 2017 16:55:50 -0500 Received: from mail-il-dmz.mellanox.com ([193.47.165.129]:34208 "EHLO mellanox.co.il" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S936197AbdACVzm (ORCPT ); Tue, 3 Jan 2017 16:55:42 -0500 Received: from Internal Mail-Server by MTLPINE1 (envelope-from saeedm@mellanox.com) with ESMTPS (AES256-SHA encrypted); 3 Jan 2017 23:55:39 +0200 Received: from reg-l-vrt-045-015.mtl.labs.mlnx (reg-l-vrt-045-015.mtl.labs.mlnx [10.135.45.15]) by labmailer.mlnx (8.13.8/8.13.8) with ESMTP id v03Ltcat021532; Tue, 3 Jan 2017 23:55:38 +0200 From: Saeed Mahameed To: "David S. Miller" , Doug Ledford Cc: netdev@vger.kernel.org, linux-rdma@vger.kernel.org, Leon Romanovsky , Eli Cohen , Matan Barak , Leon Romanovsky , Saeed Mahameed Subject: [for-next 10/10] net/mlx5: Activate support for 4K UARs Date: Tue, 3 Jan 2017 23:55:28 +0200 Message-Id: <1483480528-22622-11-git-send-email-saeedm@mellanox.com> X-Mailer: git-send-email 2.7.4 In-Reply-To: <1483480528-22622-1-git-send-email-saeedm@mellanox.com> References: <1483480528-22622-1-git-send-email-saeedm@mellanox.com> Sender: netdev-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: netdev@vger.kernel.org From: Eli Cohen Activate 4K UAR support for firmware versions that support it. Signed-off-by: Eli Cohen Reviewed-by: Matan Barak Signed-off-by: Leon Romanovsky Signed-off-by: Saeed Mahameed --- drivers/net/ethernet/mellanox/mlx5/core/main.c | 4 ++++ 1 file changed, 4 insertions(+) diff --git a/drivers/net/ethernet/mellanox/mlx5/core/main.c b/drivers/net/ethernet/mellanox/mlx5/core/main.c index ff1f144..a16ee16 100644 --- a/drivers/net/ethernet/mellanox/mlx5/core/main.c +++ b/drivers/net/ethernet/mellanox/mlx5/core/main.c @@ -530,6 +530,10 @@ static int handle_hca_cap(struct mlx5_core_dev *dev) /* disable cmdif checksum */ MLX5_SET(cmd_hca_cap, set_hca_cap, cmdif_checksum, 0); + /* If the HCA supports 4K UARs use it */ + if (MLX5_CAP_GEN_MAX(dev, uar_4k)) + MLX5_SET(cmd_hca_cap, set_hca_cap, uar_4k, 1); + MLX5_SET(cmd_hca_cap, set_hca_cap, log_uar_page_sz, PAGE_SHIFT - 12); err = set_caps(dev, set_ctx, set_sz,