Received: by 2002:a05:6a10:16a7:0:0:0:0 with SMTP id gp39csp3514745pxb; Mon, 16 Nov 2020 17:26:31 -0800 (PST) X-Google-Smtp-Source: ABdhPJyOPCu1IUmpOyw4cp0xZ0ySNeo1CMgLo/pFl/iznTrenDibbUFbUuH4bXEeCq9jhSnjgOl9 X-Received: by 2002:aa7:c408:: with SMTP id j8mr9991354edq.78.1605576391163; Mon, 16 Nov 2020 17:26:31 -0800 (PST) ARC-Seal: i=1; a=rsa-sha256; t=1605576391; cv=none; d=google.com; s=arc-20160816; b=sEclIickGCecZOHILXN2/nA3VPVkS24P3hiLUnfOzVur8mzPgspFThjks0v6PYzMT/ bmv3GSTlO1jo4mD5PBQc/9VBZElG23ApPoG0F3IXZgo0L9Xule+ecotbC4dQdPUkcn/M MSXzZmhCLE7Fg6Qin/1ffYumCc/JyQQRW3lKAyr+p3Cxh3fWS2kikDx9saQJUyiGbpYT PcrDakck3pS4TC7torIzyOZGUSSzjSXndTMYa2MSZBSgI7zxrfB21OpK3loAyXPpQiEJ LUYl3MXma0Kay4aiIzNqqpjs+LmSIZoyQlQWfE6mLSR0GRFvtmr9YvcPMnKR4YMOG2oZ mjoQ== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=list-id:precedence:content-transfer-encoding:mime-version :message-id:date:subject:cc:to:from:ironport-sdr:ironport-sdr; bh=BSQaTwI6aCpPCb8+FXa7fjczskYJfwjZ3E5AXI9WJKM=; b=Z3MsRTm2SbCbYKv+CDiZQrWSa9nCUX5Xynm0m/RJnZn1OuVaKTftMJbbIxdjt+5xd0 E85MUK1jY4v2yB32CwSbUZKfrlMWPKZqAUCMIQSqr2tRb+88I9qN5b+NtdI43WsrGIXk poZh54v6IgLywUOOhwaEtFQfSbLKOZwSLHFmyMkatKAz+k/d/aFN44y5lHBCvJ6EsH0p HDw3MtIHpbp+zd1HPz5+w++UsnTT3S2ZVrYyzPCJ6Z23Danz/AnIYUIsaQr33U9Hk+4y klsYSb2h/PTRcOhT8VQ4IDnEzRI9yGoP+NFEgtjncUamIVPpZGB0+Q9Y6ld8wTiyhM1Q 9W4A== ARC-Authentication-Results: i=1; mx.google.com; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org; dmarc=fail (p=NONE sp=NONE dis=NONE) header.from=intel.com Return-Path: Received: from vger.kernel.org (vger.kernel.org. [23.128.96.18]) by mx.google.com with ESMTP id n18si12309839ejk.69.2020.11.16.17.26.08; Mon, 16 Nov 2020 17:26:31 -0800 (PST) Received-SPF: pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) client-ip=23.128.96.18; Authentication-Results: mx.google.com; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org; dmarc=fail (p=NONE sp=NONE dis=NONE) header.from=intel.com Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1731482AbgKQBYm (ORCPT + 99 others); Mon, 16 Nov 2020 20:24:42 -0500 Received: from mga07.intel.com ([134.134.136.100]:34910 "EHLO mga07.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1729010AbgKQBYl (ORCPT ); Mon, 16 Nov 2020 20:24:41 -0500 IronPort-SDR: 0Ey+jwTV14flv/wZALKcnX1xVr71KKOZTazLM2srUy6feXlh+bwZGCm4HBZD2xBHvYfZerIy2q TUTQiTsbd6Zw== X-IronPort-AV: E=McAfee;i="6000,8403,9807"; a="234994417" X-IronPort-AV: E=Sophos;i="5.77,484,1596524400"; d="scan'208";a="234994417" X-Amp-Result: SKIPPED(no attachment in message) X-Amp-File-Uploaded: False Received: from fmsmga008.fm.intel.com ([10.253.24.58]) by orsmga105.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 16 Nov 2020 17:24:36 -0800 IronPort-SDR: eq8Jk1xxVewgG/mOeWuAVxYJH+D6addsIAIPYPO9H9kkgKj+yejwZzQVpZJl9bxAOzKgll9GbJ ulNiGxk9SVOw== X-IronPort-AV: E=Sophos;i="5.77,484,1596524400"; d="scan'208";a="310060646" Received: from rhweight-wrk1.ra.intel.com ([137.102.106.140]) by fmsmga008-auth.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 16 Nov 2020 17:24:36 -0800 From: matthew.gerlach@linux.intel.com To: linux-fpga@vger.kernel.org, linux-kernel@vger.kernel.org, mdf@kernel.org, hao.wu@intel.com, trix@redhat.com, linux-doc@vger.kernel.org, corbet@lwn.net Cc: Matthew Gerlach Subject: [PATCH 0/2] fpga: dfl: optional VSEC for start of dfl Date: Mon, 16 Nov 2020 17:25:50 -0800 Message-Id: <20201117012552.262149-1-matthew.gerlach@linux.intel.com> X-Mailer: git-send-email 2.25.1 MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org From: Matthew Gerlach The start of a Device Feature List (DFL) is currently assumed to be at Bar0/Offset 0 on the PCIe bus by drivers/fpga/dfl-pci.c. This patchset adds support for the start of one or more DFLs to be specified in a Vendor-Specific Capability (VSEC) structure in PCIe config space. If no such VSEC structure exists, then the start of the DFL is assumed to be Bar0/Offset 0 for backward compatibility. Matthew Gerlach (2): fpga: dfl: refactor cci_enumerate_feature_devs() fpga: dfl: look for vendor specific capability Documentation/fpga/dfl.rst | 10 +++ drivers/fpga/dfl-pci.c | 168 +++++++++++++++++++++++++++++-------- 2 files changed, 143 insertions(+), 35 deletions(-) -- 2.25.2