From patchwork Mon Mar 1 07:55:22 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Leon Romanovsky X-Patchwork-Id: 12108933 X-Patchwork-Delegate: kuba@kernel.org 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=-19.0 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 3D6B4C433E0 for ; Mon, 1 Mar 2021 07:56:57 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 05C4464DBD for ; Mon, 1 Mar 2021 07:56:56 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S232629AbhCAH4y (ORCPT ); Mon, 1 Mar 2021 02:56:54 -0500 Received: from mail.kernel.org ([198.145.29.99]:41200 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S232676AbhCAH42 (ORCPT ); Mon, 1 Mar 2021 02:56:28 -0500 Received: by mail.kernel.org (Postfix) with ESMTPSA id CB06B64E38; Mon, 1 Mar 2021 07:55:47 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1614585348; bh=yCHWjJaPT8VcPcdMP71SUt3lFVoga2J+ds6B7mObtYU=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=QaUs2XYJdybQFG2WzrYIIU/aH22pFvdF7WMZuPwOCqaW8kgr2idVqG/AJdm/5AsRx 6HvdpunNzSXmY4JMdO9Labwb/LiZaXjF2G2h/I6mUY2PdbLeHnULoCljXLVhdrLWRu Chyu3UFizW7cg95CaHzaEVIJkw5vMtq2BahnrNXNLp5rZ8QpQCmy3yTwGQ8MX0AA8C EVDDOTheWn03/qOHLJPap778TWK8y58yFxFsvAUaYRXrVAqv43SulSRAuomrA+WPSt wtkKyr9YlGgTKmOxISwNN7yb3w4Y9Pdr+BPDW9ZisVXoH8babV2AdIvtg1cVS5+QeA Op5gz9GNTEC8A== From: Leon Romanovsky To: Bjorn Helgaas , Saeed Mahameed Cc: Leon Romanovsky , Jason Gunthorpe , Alexander Duyck , Jakub Kicinski , linux-pci@vger.kernel.org, linux-rdma@vger.kernel.org, netdev@vger.kernel.org, Don Dutile , Alex Williamson , "David S . Miller" , Greg Kroah-Hartman Subject: [PATCH mlx5-next v7 2/4] net/mlx5: Add dynamic MSI-X capabilities bits Date: Mon, 1 Mar 2021 09:55:22 +0200 Message-Id: <20210301075524.441609-3-leon@kernel.org> X-Mailer: git-send-email 2.29.2 In-Reply-To: <20210301075524.441609-1-leon@kernel.org> References: <20210301075524.441609-1-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(-) -- 2.29.2 diff --git a/include/linux/mlx5/mlx5_ifc.h b/include/linux/mlx5/mlx5_ifc.h index 60b97556ee14..4215bb6a6b52 100644 --- a/include/linux/mlx5/mlx5_ifc.h +++ b/include/linux/mlx5/mlx5_ifc.h @@ -1685,7 +1685,16 @@ 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]; };