From patchwork Wed Feb 13 06:55:38 2019 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Saeed Mahameed X-Patchwork-Id: 1040969 X-Patchwork-Delegate: davem@davemloft.net Return-Path: X-Original-To: patchwork-incoming-netdev@ozlabs.org Delivered-To: patchwork-incoming-netdev@ozlabs.org Authentication-Results: ozlabs.org; spf=none (mailfrom) smtp.mailfrom=vger.kernel.org (client-ip=209.132.180.67; helo=vger.kernel.org; envelope-from=netdev-owner@vger.kernel.org; receiver=) Authentication-Results: ozlabs.org; dmarc=fail (p=none dis=none) header.from=mellanox.com Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by ozlabs.org (Postfix) with ESMTP id 43zr0l4Wnnz9s5c for ; Wed, 13 Feb 2019 17:56:39 +1100 (AEDT) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S2387607AbfBMG4i (ORCPT ); Wed, 13 Feb 2019 01:56:38 -0500 Received: from mail-il-dmz.mellanox.com ([193.47.165.129]:52873 "EHLO mellanox.co.il" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S2387594AbfBMG4g (ORCPT ); Wed, 13 Feb 2019 01:56:36 -0500 Received: from Internal Mail-Server by MTLPINE1 (envelope-from saeedm@mellanox.com) with ESMTPS (AES256-SHA encrypted); 13 Feb 2019 08:56:34 +0200 Received: from sx1.mtl.com ([172.16.5.60]) by labmailer.mlnx (8.13.8/8.13.8) with ESMTP id x1D6u7ix021070; Wed, 13 Feb 2019 08:56:31 +0200 From: Saeed Mahameed To: Saeed Mahameed , Leon Romanovsky Cc: netdev@vger.kernel.org, linux-rdma@vger.kernel.org, Bodong Wang , Eli Cohen , Or Gerlitz Subject: [PATCH mlx5-next 07/15] net/mlx5: Add host params change event Date: Tue, 12 Feb 2019 22:55:38 -0800 Message-Id: <20190213065546.3013-8-saeedm@mellanox.com> X-Mailer: git-send-email 2.20.1 In-Reply-To: <20190213065546.3013-1-saeedm@mellanox.com> References: <20190213065546.3013-1-saeedm@mellanox.com> MIME-Version: 1.0 Sender: netdev-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: netdev@vger.kernel.org From: Bodong Wang In Embedded CPU (EC) configurations, the EC driver needs to know when the number of virtual functions change on the corresponding PF at the host side. This is required so the EC driver can create or destroy representor net devices that represent the VFs ports. Whenever a change in the number of VFs occurs, firmware will generate an event towards the EC which will trigger a work to complete the rest of the handling. The specifics of the handling will be introduced in a downstream patch. Signed-off-by: Bodong Wang Signed-off-by: Eli Cohen Reviewed-by: Or Gerlitz Signed-off-by: Saeed Mahameed --- drivers/net/ethernet/mellanox/mlx5/core/eq.c | 3 +++ drivers/net/ethernet/mellanox/mlx5/core/events.c | 2 ++ include/linux/mlx5/device.h | 2 ++ include/linux/mlx5/driver.h | 5 +++++ 4 files changed, 12 insertions(+) diff --git a/drivers/net/ethernet/mellanox/mlx5/core/eq.c b/drivers/net/ethernet/mellanox/mlx5/core/eq.c index 7092457705a2..5c02f9291799 100644 --- a/drivers/net/ethernet/mellanox/mlx5/core/eq.c +++ b/drivers/net/ethernet/mellanox/mlx5/core/eq.c @@ -530,6 +530,9 @@ static u64 gather_async_events_mask(struct mlx5_core_dev *dev) if (MLX5_CAP_GEN(dev, max_num_of_monitor_counters)) async_event_mask |= (1ull << MLX5_EVENT_TYPE_MONITOR_COUNTER); + if (mlx5_core_is_ecpf_esw_manager(dev)) + async_event_mask |= (1ull << MLX5_EVENT_TYPE_HOST_PARAMS_CHANGE); + return async_event_mask; } diff --git a/drivers/net/ethernet/mellanox/mlx5/core/events.c b/drivers/net/ethernet/mellanox/mlx5/core/events.c index fbc42b7252a9..4f7f776d6332 100644 --- a/drivers/net/ethernet/mellanox/mlx5/core/events.c +++ b/drivers/net/ethernet/mellanox/mlx5/core/events.c @@ -103,6 +103,8 @@ static const char *eqe_type_str(u8 type) return "MLX5_EVENT_TYPE_STALL_EVENT"; case MLX5_EVENT_TYPE_CMD: return "MLX5_EVENT_TYPE_CMD"; + case MLX5_EVENT_TYPE_HOST_PARAMS_CHANGE: + return "MLX5_EVENT_TYPE_HOST_PARAMS_CHANGE"; case MLX5_EVENT_TYPE_PAGE_REQUEST: return "MLX5_EVENT_TYPE_PAGE_REQUEST"; case MLX5_EVENT_TYPE_PAGE_FAULT: diff --git a/include/linux/mlx5/device.h b/include/linux/mlx5/device.h index f2070350f60a..f93a5598b942 100644 --- a/include/linux/mlx5/device.h +++ b/include/linux/mlx5/device.h @@ -342,6 +342,8 @@ enum mlx5_event { MLX5_EVENT_TYPE_PAGE_FAULT = 0xc, MLX5_EVENT_TYPE_NIC_VPORT_CHANGE = 0xd, + MLX5_EVENT_TYPE_HOST_PARAMS_CHANGE = 0xe, + MLX5_EVENT_TYPE_DCT_DRAINED = 0x1c, MLX5_EVENT_TYPE_FPGA_ERROR = 0x20, diff --git a/include/linux/mlx5/driver.h b/include/linux/mlx5/driver.h index cce4e8293384..151563a12fc2 100644 --- a/include/linux/mlx5/driver.h +++ b/include/linux/mlx5/driver.h @@ -1083,6 +1083,11 @@ static inline bool mlx5_core_is_ecpf(struct mlx5_core_dev *dev) return dev->caps.embedded_cpu; } +static inline bool mlx5_core_is_ecpf_esw_manager(struct mlx5_core_dev *dev) +{ + return dev->caps.embedded_cpu && MLX5_CAP_GEN(dev, eswitch_manager); +} + #define MLX5_TOTAL_VPORTS(mdev) (1 + pci_sriov_get_totalvfs((mdev)->pdev)) #define MLX5_VPORT_MANAGER(mdev) \ (MLX5_CAP_GEN(mdev, vport_group_manager) && \