From patchwork Sun Jan 10 15:07:25 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Leon Romanovsky X-Patchwork-Id: 360357 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, USER_AGENT_GIT autolearn=ham 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 B38C4C4332D for ; Sun, 10 Jan 2021 15:08:30 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 783072389B for ; Sun, 10 Jan 2021 15:08:30 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726813AbhAJPIY (ORCPT ); Sun, 10 Jan 2021 10:08:24 -0500 Received: from mail.kernel.org ([198.145.29.99]:38038 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726723AbhAJPIX (ORCPT ); Sun, 10 Jan 2021 10:08:23 -0500 Received: by mail.kernel.org (Postfix) with ESMTPSA id 48B7622AB9; Sun, 10 Jan 2021 15:07:42 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1610291263; bh=N0L/ajUl+DqT7TvFkBOc02XrqsPAylqRsuZMrgq1oaA=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=W55XoPCErWSZSz+8HAAPCZoMjXgP/Qks0O73ttoZOY6BYp7BC9T396spKZq626GeE nsQ+YTh5bRniOajc4+Yc4IRcx8DHrj0n44vMz5O4DILpCpCLvaTqSHcLT3h56fEcT4 IGpWn+SO12JRiWcL416rP0iuZFs7z7ocZzghMN/llwjJ2lE7A6//PzMwF+JqMc82oe RfZineHueSIdpJP4upAtI8EHD4sjoAzu7Af8DoepRflkbvj0qsZRxFU7LHUXeS3qSa aiN8jNh2h404Wu8ZMRk/hYCTWAIN2hPdPoEdU0GH8H2QCu8C1ALd8j7nz0NSKlngFV uN3T+ihOQhadA== 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 Subject: [PATCH mlx5-next v1 3/5] net/mlx5: Add dynamic MSI-X capabilities bits Date: Sun, 10 Jan 2021 17:07:25 +0200 Message-Id: <20210110150727.1965295-4-leon@kernel.org> X-Mailer: git-send-email 2.29.2 In-Reply-To: <20210110150727.1965295-1-leon@kernel.org> References: <20210110150727.1965295-1-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 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]; };