From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from dpdk.org (dpdk.org [92.243.14.124]) by inbox.dpdk.org (Postfix) with ESMTP id 4F86DA04B5; Sun, 13 Dec 2020 21:56:57 +0100 (CET) Received: from [92.243.14.124] (localhost [127.0.0.1]) by dpdk.org (Postfix) with ESMTP id B089FCA68; Sun, 13 Dec 2020 21:50:53 +0100 (CET) Received: from mellanox.co.il (mail-il-dmz.mellanox.com [193.47.165.129]) by dpdk.org (Postfix) with ESMTP id 9E05DC9C2 for ; Sun, 13 Dec 2020 21:50:20 +0100 (CET) Received: from Internal Mail-Server by MTLPINE1 (envelope-from talshn@nvidia.com) with SMTP; 13 Dec 2020 22:50:15 +0200 Received: from nvidia.com (l-wincomp04-vm.mtl.labs.mlnx [10.237.1.5]) by labmailer.mlnx (8.13.8/8.13.8) with ESMTP id 0BDKoDfe010910; Sun, 13 Dec 2020 22:50:15 +0200 From: Tal Shnaiderman To: dev@dpdk.org Cc: thomas@monjalon.net, matan@nvidia.com, rasland@nvidia.com, ophirmu@nvidia.com Date: Sun, 13 Dec 2020 22:49:56 +0200 Message-Id: <20201213205005.7300-24-talshn@nvidia.com> X-Mailer: git-send-email 2.16.1.windows.4 In-Reply-To: <20201213205005.7300-1-talshn@nvidia.com> References: <20201213102056.11380-2-talshn@nvidia.com> <20201213205005.7300-1-talshn@nvidia.com> Subject: [dpdk-dev] [PATCH v4 23/32] common/mlx5/windows: extend PRM match_param_bits struct 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" Add reserved size to PRM 'struct mlx5_ifc_fte_match_param_bits' for non Linux OS. Windows drivers require this extension since their expected size should match the actual struct size. Linux drivers do not require this extension and already use calculations based on the shorter size. Use a static assert to verify that the PRM fte_match_param struct size remains correct. Signed-off-by: Tal Shnaiderman Acked-by: Matan Azrad --- drivers/common/mlx5/mlx5_prm.h | 7 +++++++ drivers/common/mlx5/windows/mlx5_glue.c | 3 +++ 2 files changed, 10 insertions(+) diff --git a/drivers/common/mlx5/mlx5_prm.h b/drivers/common/mlx5/mlx5_prm.h index 4ddf865743..27a4e4f0f1 100644 --- a/drivers/common/mlx5/mlx5_prm.h +++ b/drivers/common/mlx5/mlx5_prm.h @@ -815,6 +815,13 @@ struct mlx5_ifc_fte_match_param_bits { struct mlx5_ifc_fte_match_set_misc2_bits misc_parameters_2; struct mlx5_ifc_fte_match_set_misc3_bits misc_parameters_3; struct mlx5_ifc_fte_match_set_misc4_bits misc_parameters_4; +/* + * Add reserved bit to match the struct size with the size defined in PRM. + * This extension is not required in Linux. + */ +#ifndef HAVE_INFINIBAND_VERBS_H + u8 reserved_0[0x400]; +#endif }; enum { diff --git a/drivers/common/mlx5/windows/mlx5_glue.c b/drivers/common/mlx5/windows/mlx5_glue.c index 7f8a00aaa7..3896cf0932 100644 --- a/drivers/common/mlx5/windows/mlx5_glue.c +++ b/drivers/common/mlx5/windows/mlx5_glue.c @@ -256,6 +256,9 @@ mlx5_glue_devx_free_uar(void *uar) devx_free_uar((devx_uar_handle *)uar); } +static_assert(MLX5_ST_SZ_BYTES(fte_match_param) == 0x200, + "PRM size of fte_match_param is broken! cannot compile Windows!"); + static void* mlx5_glue_devx_fs_rule_add(void *ctx, void *in, uint32_t inlen) -- 2.16.1.windows.4