From mboxrd@z Thu Jan 1 00:00:00 1970 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=-2.6 required=3.0 tests=DKIM_SIGNED,DKIM_VALID, DKIM_VALID_AU,MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,T_DKIMWL_WL_HIGH, URIBL_BLOCKED,USER_AGENT_MUTT 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 277A1C04AB6 for ; Fri, 31 May 2019 13:03:40 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id E50ED26928 for ; Fri, 31 May 2019 13:03:39 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1559307820; bh=EAcHXloLVvWOmeaCQKGt2kykF6vQUgK3h5YLYFZKb5Q=; h=Date:From:To:Cc:Subject:References:In-Reply-To:List-ID:From; b=FwnUiLmCQw6PMfb+tkJglTDNcczBF5cIusROPLuH7SGMkpyfjwu+TlSNQ/wXji5n8 UEF67xTylAiHmArQMS9iz6I6fZU1j+J5WduQ6As48iOe8ovtlFHKQ2cFI/YF/w7cay 6Lno1uTH6kVA/mLncJSIOGVCuEsJVh5Fc8qJ41JI= Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727207AbfEaNDj (ORCPT ); Fri, 31 May 2019 09:03:39 -0400 Received: from mail.kernel.org ([198.145.29.99]:55804 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726330AbfEaNDj (ORCPT ); Fri, 31 May 2019 09:03:39 -0400 Received: from localhost (173-25-83-245.client.mchsi.com [173.25.83.245]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPSA id 7AFA226928; Fri, 31 May 2019 13:03:38 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1559307818; bh=EAcHXloLVvWOmeaCQKGt2kykF6vQUgK3h5YLYFZKb5Q=; h=Date:From:To:Cc:Subject:References:In-Reply-To:From; b=0xA4neoblMrz9g0w77d8Ik0pV5W3wOMiLGHIt48Qv6JWGepPT7uMm7mCu3c0A6O0M u6TYIV3M0BPYWe/tU+/R5Y8z+iayyr2RshD+zlN9jkJmqa5h4/BKw9+0FfYpsiwhy3 CC763w4f6Em3BN69cmomHPMD/zy8RSSze4aDNass= Date: Fri, 31 May 2019 08:03:36 -0500 From: Bjorn Helgaas To: sathyanarayanan.kuppuswamy@linux.intel.com Cc: linux-pci@vger.kernel.org, linux-kernel@vger.kernel.org, ashok.raj@intel.com, keith.busch@intel.com Subject: Re: [PATCH v3 1/5] PCI/ACPI: Add _OSC based negotiation support for DPC Message-ID: <20190531130336.GO28250@google.com> References: <1d7b8966972edcad8ac9f219e9d83b47beb85f6f.1557870869.git.sathyanarayanan.kuppuswamy@linux.intel.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <1d7b8966972edcad8ac9f219e9d83b47beb85f6f.1557870869.git.sathyanarayanan.kuppuswamy@linux.intel.com> User-Agent: Mutt/1.10.1 (2018-07-13) Sender: linux-pci-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-pci@vger.kernel.org On Tue, May 14, 2019 at 03:18:13PM -0700, sathyanarayanan.kuppuswamy@linux.intel.com wrote: > From: Kuppuswamy Sathyanarayanan > > As per PCI Firmware Specification, r3.2 ECN > (https://members.pcisig.com/wg/PCI-SIG/document/12614), OS can use > bit 7 of _OSC Control Field to negotiate control over Downstream Port > Containment (DPC) configuration of PCIe port. I think this citation should reference the "Downstream Port Containment Related Enhancements ECN", i.e., it should include the title of the ECN. I first thought you were citing the PCI Firmware Spec, r3.2, but of course it's not in there. Bjorn