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 Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 628F6C4332F for ; Wed, 14 Dec 2022 00:29:16 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S237191AbiLNA3P (ORCPT ); Tue, 13 Dec 2022 19:29:15 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:52062 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S237343AbiLNA3N (ORCPT ); Tue, 13 Dec 2022 19:29:13 -0500 Received: from mail-lj1-x234.google.com (mail-lj1-x234.google.com [IPv6:2a00:1450:4864:20::234]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 1DD1913DC5 for ; Tue, 13 Dec 2022 16:29:12 -0800 (PST) Received: by mail-lj1-x234.google.com with SMTP id l8so5104195ljh.13 for ; Tue, 13 Dec 2022 16:29:12 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20210112; h=cc:to:subject:message-id:date:from:reply-to:in-reply-to:references :mime-version:from:to:cc:subject:date:message-id:reply-to; bh=CPdIl7j3z87XMoAtuQTYb7H6hS/X8Y8wZw0h0XqYJts=; b=LeV0NfTO9Yny9X0sQN+QWiB2vEACAxIvba5Jn5mzCXXF2na/AnzM93cdwUM6it+uir mWvxzvBEYybss4idL16kC++k53SuWMae5qdPfROE/9kitx7gRO30xBq0rxoL6wMRIrJj YNeqbuWCkgsm5Wdl1vMKHm+3T4HqL5+UDJDStGQKrANrCmm2TO7FHfLG9wX3JeQwRkAX oZE/bXFYJ/JHYepwYfcX7Nhl274b55bEg23uBRHIFFLWdtP4mKI28QrP0KMMg9YOXqGa OTUMf7UswCeV7mopzEGMF2kOZQ2G6p86xz0Wf/h4CkrUekghC3KBGzsKP8uGm59Jmg6e vKmA== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=cc:to:subject:message-id:date:from:reply-to:in-reply-to:references :mime-version:x-gm-message-state:from:to:cc:subject:date:message-id :reply-to; bh=CPdIl7j3z87XMoAtuQTYb7H6hS/X8Y8wZw0h0XqYJts=; b=Av4D5HBPZIOmVZdZWa+FNsT/Yn2qWCaQfNceZj9iC+uZpLYNQkD0W0T/jJ2VQFY5+T fJny2OUultQIj62T5ZYEke4r3+4wxiV7xH6Zny9GxmpODhvUPVaIUBmdeX/cFKIbXcKq HIvUNZoD+2ma4jClnf0kVtWuyf6Y8urkgGpxhOJM6VtmG0sj5ErTonmESGaD8V90Ry/a nV0JVTonCYtTx3sPrYNo8HueYXCpRNCXUlYoobv9gowU8XqfXOa5oO77fmjH5da2PFTN aj6L5ZKD0173V25op1KfDeGdHJxPZn/YCAY6zEkzQNZgUNW+koEzm418xHEif5ELzIIk iRGg== X-Gm-Message-State: ANoB5plGUlxYcQM8qwNDfyU1cZ4uqGC6dF9XQ3HNIyYkPc4QIZCjeolf kS7c6pzxlEWUwVAj2tcjcI6OuGopnrAgKeEk8Zg= X-Google-Smtp-Source: AA0mqf6+hiW4m5dZ9K2vihUGa/wuDtAGwqzBRjQubb1J7Po6WIV8+nc+suX7/0mtrJ3rZkDGNi/y1aleT6x1JwGvJPI= X-Received: by 2002:a2e:bd07:0:b0:277:31b0:8ba3 with SMTP id n7-20020a2ebd07000000b0027731b08ba3mr33548130ljq.290.1670977750194; Tue, 13 Dec 2022 16:29:10 -0800 (PST) MIME-Version: 1.0 References: <20220222162355.32369-4-Frank.Li@nxp.com> <20221214000848.GA221546@bhelgaas> In-Reply-To: Reply-To: bjorn@helgaas.com From: Bjorn Helgaas Date: Tue, 13 Dec 2022 18:28:58 -0600 Message-ID: Subject: Re: [PATCH v2 3/4] PCI: endpoint: Support NTB transfer between RC and EP To: Zhi Li Cc: Bjorn Helgaas , Frank Li , allenbh@gmail.com, dave.jiang@intel.com, gustavo.pimentel@synopsys.com, hongxing.zhu@nxp.com, jdmason@kudzu.us, jingoohan1@gmail.com, kishon@kernel.org, kw@linux.com, linux-ntb@googlegroups.com, linux-pci@vger.kernel.org, lorenzo.pieralisi@arm.com Content-Type: text/plain; charset="UTF-8" Precedence: bulk List-ID: X-Mailing-List: linux-pci@vger.kernel.org On Tue, Dec 13, 2022 at 6:17 PM Zhi Li wrote: > On Tue, Dec 13, 2022 at 6:08 PM Bjorn Helgaas wrote: >> On Tue, Feb 22, 2022 at 10:23:54AM -0600, Frank Li wrote: >> >> > + * +--------------------------------------------------+ Base >> > + * | | >> > + * | | >> > + * | | >> > + * | Common Control Register | >> > + * | | >> > + * | | >> > + * | | >> > + * +-----------------------+--------------------------+ Base+span_offset >> > + * | | | >> > + * | Peer Span Space | Span Space | >> > + * | | | >> > + * | | | >> > + * +-----------------------+--------------------------+ Base+span_offset >> > + * | | | +span_count * 4 >> > + * | | | >> > + * | Span Space | Peer Span Space | >> > + * | | | >> > + * +-----------------------+--------------------------+ >> >> Are these comments supposed to say *spad*, i.e., scratchpad space, >> instead of "span", to correspond with spad_offset and spad_count >> below? > > Strange, I received some of your comments on the very old patches. What's strange about it? I went to the trouble to look up the patch that introduced the thing I'm asking about. I sent the email a few minutes ago. The question still applies to the current tree. Please use plain text email on the Linux mailing lists. Bjorn