From patchwork Tue Jan 26 08:57:28 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Leon Romanovsky X-Patchwork-Id: 371185 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=-19.3 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, URIBL_BLOCKED, 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 90D7BC10F0E for ; Tue, 26 Jan 2021 17:09:19 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 6FEFE21BE5 for ; Tue, 26 Jan 2021 17:09:19 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S2390226AbhAZRH4 (ORCPT ); Tue, 26 Jan 2021 12:07:56 -0500 Received: from mail.kernel.org ([198.145.29.99]:53702 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S2390589AbhAZI6d (ORCPT ); Tue, 26 Jan 2021 03:58:33 -0500 Received: by mail.kernel.org (Postfix) with ESMTPSA id 77DC2230FD; Tue, 26 Jan 2021 08:57:38 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1611651459; bh=aHBmFnfLyG43e7CqSIxZ36xVHHd++9BQh2pCJmoqnr0=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=mqHq3lnWsnnIxbEmR84cNJohLvSC5dUSmBmQxCkkLT7XXPcjO/xjPRazHUq7V2xOC 4xajUQZU4H+h5erutEjIZzB1E2YWHzj8MU3OuTa5lHtl7uVFWaopo8i5vgxuuoZvOc zRNeoLK/qu6r97znPWCbF0Au2BztUt285cvXCdwjwZfbEnC8i2s/mghelbIroG0kLZ byk0Elahede/Jg0PbcciYPTaskFPAvZJWkP/kJCv3f0cdlgBPTdDQf7SR8GSh3Tkld zDXzx7434AhBCF/Dnqn5Jd4SXkhvfyhTJabApJRb7PzGXNBhsXorLT33i/3Tq7tkF4 QA8KNQW8nDqsQ== 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" Subject: [PATCH mlx5-next v5 2/4] net/mlx5: Add dynamic MSI-X capabilities bits Date: Tue, 26 Jan 2021 10:57:28 +0200 Message-Id: <20210126085730.1165673-3-leon@kernel.org> X-Mailer: git-send-email 2.29.2 In-Reply-To: <20210126085730.1165673-1-leon@kernel.org> References: <20210126085730.1165673-1-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 b96f99f1198e..31e6eac67f51 100644 --- a/include/linux/mlx5/mlx5_ifc.h +++ b/include/linux/mlx5/mlx5_ifc.h @@ -1657,7 +1657,16 @@ 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]; };