From patchwork Tue Feb 9 13:34:43 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Leon Romanovsky X-Patchwork-Id: 1438377 Return-Path: X-Original-To: incoming@patchwork.ozlabs.org Delivered-To: patchwork-incoming@bilbo.ozlabs.org Authentication-Results: ozlabs.org; spf=pass (sender SPF authorized) smtp.mailfrom=vger.kernel.org (client-ip=23.128.96.18; helo=vger.kernel.org; envelope-from=linux-pci-owner@vger.kernel.org; receiver=) Authentication-Results: ozlabs.org; dkim=pass (2048-bit key; unprotected) header.d=kernel.org header.i=@kernel.org header.a=rsa-sha256 header.s=k20201202 header.b=CrJmH1up; dkim-atps=neutral Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by ozlabs.org (Postfix) with ESMTP id 4DZkRw2b8Bz9sVb for ; Wed, 10 Feb 2021 00:35:56 +1100 (AEDT) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S229754AbhBINfk (ORCPT ); Tue, 9 Feb 2021 08:35:40 -0500 Received: from mail.kernel.org ([198.145.29.99]:43812 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229772AbhBINff (ORCPT ); Tue, 9 Feb 2021 08:35:35 -0500 Received: by mail.kernel.org (Postfix) with ESMTPSA id 8AEC964ED4; Tue, 9 Feb 2021 13:34:53 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1612877694; bh=9u4XcR+je2ELj6DNgC77h551MxruUIms4e+LHa1FoSY=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=CrJmH1upy+82Oe/cFOe/qvRbN4r6clUtQYV5P/5f4m6appd/nhEfVErQbHc/Yucp2 O3C6k0PzxBV8a+mkEoeZvpoKTq6Islr0M3PL4epPe9bXylStAehtCXX08XZbDJbNEs SPMekFtGjI17J+r+ohqCfD83e0wsOftNMBMFc/H/j67Mvk9kTv5/YeH4t9je5JbCpK 456IbBZNIGUO/ihSJ3W3m+j07CYXVUc1FBehz7OcGcB9ge/Q3pzgioNpNgpke2g0ft ld63Ofji1xsqLg+K563dcT7plwUCld1ZN9KaUMzDqSyApl0K5K/5Mlj/nj41pxk55H 3NulUtlZUp2ag== 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 v6 2/4] net/mlx5: Add dynamic MSI-X capabilities bits Date: Tue, 9 Feb 2021 15:34:43 +0200 Message-Id: <20210209133445.700225-3-leon@kernel.org> X-Mailer: git-send-email 2.29.2 In-Reply-To: <20210209133445.700225-1-leon@kernel.org> References: <20210209133445.700225-1-leon@kernel.org> MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: linux-pci@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 77051bd5c1cf..ffe2c7231ae4 100644 --- a/include/linux/mlx5/mlx5_ifc.h +++ b/include/linux/mlx5/mlx5_ifc.h @@ -1677,7 +1677,16 @@ 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]; };