From patchwork Wed Jul 15 06:21:41 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Slava Ovsiienko X-Patchwork-Id: 74046 X-Patchwork-Delegate: rasland@nvidia.com Return-Path: X-Original-To: patchwork@inbox.dpdk.org Delivered-To: patchwork@inbox.dpdk.org Received: from dpdk.org (dpdk.org [92.243.14.124]) by inbox.dpdk.org (Postfix) with ESMTP id 0B981A0540; Wed, 15 Jul 2020 08:22:49 +0200 (CEST) Received: from [92.243.14.124] (localhost [127.0.0.1]) by dpdk.org (Postfix) with ESMTP id 32D0B1C115; Wed, 15 Jul 2020 08:22:14 +0200 (CEST) Received: from mellanox.co.il (mail-il-dmz.mellanox.com [193.47.165.129]) by dpdk.org (Postfix) with ESMTP id 79B971C125 for ; Wed, 15 Jul 2020 08:22:12 +0200 (CEST) Received: from Internal Mail-Server by MTLPINE1 (envelope-from viacheslavo@mellanox.com) with SMTP; 15 Jul 2020 09:22:08 +0300 Received: from pegasus12.mtr.labs.mlnx (pegasus12.mtr.labs.mlnx [10.210.17.40]) by labmailer.mlnx (8.13.8/8.13.8) with ESMTP id 06F6M8P7007016; Wed, 15 Jul 2020 09:22:08 +0300 Received: from pegasus12.mtr.labs.mlnx (localhost [127.0.0.1]) by pegasus12.mtr.labs.mlnx (8.14.7/8.14.7) with ESMTP id 06F6M8ta016434; Wed, 15 Jul 2020 06:22:08 GMT Received: (from viacheslavo@localhost) by pegasus12.mtr.labs.mlnx (8.14.7/8.14.7/Submit) id 06F6M8gr016433; Wed, 15 Jul 2020 06:22:08 GMT X-Authentication-Warning: pegasus12.mtr.labs.mlnx: viacheslavo set sender to viacheslavo@mellanox.com using -f From: Viacheslav Ovsiienko To: dev@dpdk.org Cc: matan@mellanox.com, rasland@mellanox.com, olivier.matz@6wind.com, thomas@monjalon.net, ferruh.yigit@intel.com Date: Wed, 15 Jul 2020 06:21:41 +0000 Message-Id: <1594794114-16313-5-git-send-email-viacheslavo@mellanox.com> X-Mailer: git-send-email 1.8.3.1 In-Reply-To: <1594794114-16313-1-git-send-email-viacheslavo@mellanox.com> References: <1591771085-24959-1-git-send-email-viacheslavo@mellanox.com> <1594794114-16313-1-git-send-email-viacheslavo@mellanox.com> Subject: [dpdk-dev] [PATCH v2 04/17] net/mlx5: introduce shared UAR resource X-BeenThere: dev@dpdk.org X-Mailman-Version: 2.1.15 Precedence: list List-Id: DPDK patches and discussions List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: dev-bounces@dpdk.org Sender: "dev" This is preparation step before moving the Tx queue creation to the DevX approach. Some features require the shared UAR for Tx queues and scheduling completion queues, the patch manages the shared UAR. Signed-off-by: Viacheslav Ovsiienko Acked-by: Matan Azrad --- drivers/net/mlx5/mlx5.c | 14 ++++++++++++++ drivers/net/mlx5/mlx5.h | 1 + 2 files changed, 15 insertions(+) diff --git a/drivers/net/mlx5/mlx5.c b/drivers/net/mlx5/mlx5.c index 0786945..71e59ac 100644 --- a/drivers/net/mlx5/mlx5.c +++ b/drivers/net/mlx5/mlx5.c @@ -709,6 +709,12 @@ struct mlx5_dev_ctx_shared * err = ENOMEM; goto error; } + sh->tx_uar = mlx5_glue->devx_alloc_uar(sh->ctx, 0); + if (!sh->tx_uar) { + DRV_LOG(ERR, "Failed to allocate DevX UAR."); + err = ENOMEM; + goto error; + } } sh->flow_id_pool = mlx5_flow_id_pool_alloc ((1 << HAIRPIN_FLOW_ID_BITS) - 1); @@ -767,6 +773,10 @@ struct mlx5_dev_ctx_shared * mlx5_l3t_destroy(sh->cnt_id_tbl); sh->cnt_id_tbl = NULL; } + if (sh->tx_uar) { + mlx5_glue->devx_free_uar(sh->tx_uar); + sh->tx_uar = NULL; + } if (sh->tis) claim_zero(mlx5_devx_cmd_destroy(sh->tis)); if (sh->td) @@ -832,6 +842,10 @@ struct mlx5_dev_ctx_shared * mlx5_l3t_destroy(sh->cnt_id_tbl); sh->cnt_id_tbl = NULL; } + if (sh->tx_uar) { + mlx5_glue->devx_free_uar(sh->tx_uar); + sh->tx_uar = NULL; + } if (sh->pd) claim_zero(mlx5_glue->dealloc_pd(sh->pd)); if (sh->tis) diff --git a/drivers/net/mlx5/mlx5.h b/drivers/net/mlx5/mlx5.h index d01d7f3..c760aff 100644 --- a/drivers/net/mlx5/mlx5.h +++ b/drivers/net/mlx5/mlx5.h @@ -586,6 +586,7 @@ struct mlx5_dev_ctx_shared { struct mlx5_devx_obj *tis; /* TIS object. */ struct mlx5_devx_obj *td; /* Transport domain. */ struct mlx5_flow_id_pool *flow_id_pool; /* Flow ID pool. */ + struct mlx5dv_devx_uar *tx_uar; /* Tx/packer pacing shared UAR. */ struct mlx5_dev_shared_port port[]; /* per device port data array. */ };