From patchwork Sun Mar 14 12:42:54 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Leon Romanovsky X-Patchwork-Id: 12137323 X-Patchwork-Delegate: bhelgaas@google.com 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,URIBL_BLOCKED,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 14FFBC4332D for ; Sun, 14 Mar 2021 12:43:45 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id F072F64EEA for ; Sun, 14 Mar 2021 12:43:44 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S235315AbhCNMnK (ORCPT ); Sun, 14 Mar 2021 08:43:10 -0400 Received: from mail.kernel.org ([198.145.29.99]:46528 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S235212AbhCNMnF (ORCPT ); Sun, 14 Mar 2021 08:43:05 -0400 Received: by mail.kernel.org (Postfix) with ESMTPSA id 669A664EE8; Sun, 14 Mar 2021 12:43:04 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1615725785; bh=rhEe2dBamJv23d9TM+f5H89U9NqElev9B1Ept6zpHmM=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=CvGz4Q29VNFJ/o+PvHTr/vnd+Tv8kxra5fk/oRoybNy9Fx3zAUQQXwed0akrtaNH7 hSzjx3lY/zFFcENtM8F7UBf+oOqt1dpxgzafBSbSfmepjrFx0Tp6gyFqBnggeyECB+ YDThyVpr0xkkiue/xgyXt8VDMOQUJ5Ztaj+0pcep0A10+TAgPEsj96ivZwGGFpC7J6 Ul9eYErkNxYiajkFcv6StGkzNlDZlCDl8ZASKaaHnrc+UvrMhtv3Uia23MMpgqwxxy Ye50+DyiAYdd6puX7zp1QhVgEzSfNhRqt7YYLLj2GT1YgayN8dw60gawzYKSGUdsCG lwm6nOT4bahYg== From: Leon Romanovsky To: Bjorn Helgaas , Saeed Mahameed Cc: 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 v8 2/4] net/mlx5: Add dynamic MSI-X capabilities bits Date: Sun, 14 Mar 2021 14:42:54 +0200 Message-Id: <20210314124256.70253-3-leon@kernel.org> X-Mailer: git-send-email 2.30.2 In-Reply-To: <20210314124256.70253-1-leon@kernel.org> References: <20210314124256.70253-1-leon@kernel.org> MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: linux-pci@vger.kernel.org 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(-) -- 2.30.2 diff --git a/include/linux/mlx5/mlx5_ifc.h b/include/linux/mlx5/mlx5_ifc.h index df5d91c8b2d4..c0ce1c2e1e57 100644 --- a/include/linux/mlx5/mlx5_ifc.h +++ b/include/linux/mlx5/mlx5_ifc.h @@ -1680,7 +1680,16 @@ 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]; };