From patchwork Sun Jan 17 08:15:46 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Leon Romanovsky X-Patchwork-Id: 365393 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-19.2 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED, DKIM_VALID, DKIM_VALID_AU, INCLUDES_CR_TRAILER, INCLUDES_PATCH, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,USER_AGENT_GIT autolearn=unavailable autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 368BBC433DB for ; Sun, 17 Jan 2021 08:39:24 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id E84D7230FE for ; Sun, 17 Jan 2021 08:39:23 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1728343AbhAQIjP (ORCPT ); Sun, 17 Jan 2021 03:39:15 -0500 Received: from mail.kernel.org ([198.145.29.99]:52458 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1728138AbhAQIRZ (ORCPT ); Sun, 17 Jan 2021 03:17:25 -0500 Received: by mail.kernel.org (Postfix) with ESMTPSA id 5B51B22D70; Sun, 17 Jan 2021 08:16:02 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1610871363; bh=gVwcAqksC8774I0xStSE+R/m4VUu3bJL+MR3Q0MK8Ig=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=dxi12JnPsmP16a+xx1XmKSQzrAwuuK1WlJ5LXzKwHCGUdDyfaqIDAxN0yLmfcY6tq 9N1nfFTsN7vkxoYRjfRBKALN8RqcSvSBm3UBRLpdCikAAnRESnqSwv7Q/qdmvWuxWG JgTyvvdOC7JwE1KwmkggHKhf9wF0cK1QbnoogRIqj1iUvWaxsGgcmniHVSA7RX6noZ RF/zuNHTCDT8m5r2xc4Yzkr2zC4ck1rldzODfymKEvEMxFYFbWQ/W/P/kdQXyvoHdw aQkUQuRCfwstqefw0SnZR3cTIZPymLOOJq1qar+TJKl/jfjIR+EgVgxfnUE5jRDOnK RIqOsBinJZ/Gw== From: Leon Romanovsky To: Bjorn Helgaas , Saeed Mahameed Cc: Leon Romanovsky , Jason Gunthorpe , Jakub Kicinski , linux-pci@vger.kernel.org, linux-rdma@vger.kernel.org, netdev@vger.kernel.org, Don Dutile , Alex Williamson , Alexander Duyck Subject: [PATCH mlx5-next v3 3/5] net/mlx5: Add dynamic MSI-X capabilities bits Date: Sun, 17 Jan 2021 10:15:46 +0200 Message-Id: <20210117081548.1278992-4-leon@kernel.org> X-Mailer: git-send-email 2.29.2 In-Reply-To: <20210117081548.1278992-1-leon@kernel.org> References: <20210117081548.1278992-1-leon@kernel.org> MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: netdev@vger.kernel.org From: Leon Romanovsky These new fields declare the number of MSI-X vectors that is possible to allocate on the VF through PF configuration. Value must be in range defined by min_dynamic_vf_msix_table_size and max_dynamic_vf_msix_table_size. The driver should continue to query its MSI-X table through PCI configuration header. Signed-off-by: Leon Romanovsky --- include/linux/mlx5/mlx5_ifc.h | 11 ++++++++++- 1 file changed, 10 insertions(+), 1 deletion(-) diff --git a/include/linux/mlx5/mlx5_ifc.h b/include/linux/mlx5/mlx5_ifc.h index 8c5d5fe58051..7ac614bc592a 100644 --- a/include/linux/mlx5/mlx5_ifc.h +++ b/include/linux/mlx5/mlx5_ifc.h @@ -1656,7 +1656,16 @@ struct mlx5_ifc_cmd_hca_cap_bits { u8 reserved_at_6e0[0x10]; u8 sf_base_id[0x10]; - u8 reserved_at_700[0x80]; + u8 reserved_at_700[0x8]; + u8 num_total_dynamic_vf_msix[0x18]; + u8 reserved_at_720[0x14]; + u8 dynamic_msix_table_size[0xc]; + u8 reserved_at_740[0xc]; + u8 min_dynamic_vf_msix_table_size[0x4]; + u8 reserved_at_750[0x4]; + u8 max_dynamic_vf_msix_table_size[0xc]; + + u8 reserved_at_760[0x20]; u8 vhca_tunnel_commands[0x40]; u8 reserved_at_7c0[0x40]; };