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=-8.3 required=3.0 tests=BAYES_00,DKIM_INVALID, DKIM_SIGNED,HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,NICE_REPLY_A, SIGNED_OFF_BY,SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED,USER_AGENT_SANE_1 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 C514DC433DF for ; Fri, 14 Aug 2020 17:13:44 +0000 (UTC) Received: from lists.gnu.org (lists.gnu.org [209.51.188.17]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id 8561E20829 for ; Fri, 14 Aug 2020 17:13:44 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=fail reason="signature verification failed" (2048-bit key) header.d=linaro.org header.i=@linaro.org header.b="lGlWvjM+" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 8561E20829 Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=linaro.org Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Received: from localhost ([::1]:37956 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1k6dGx-0002dS-Qu for qemu-devel@archiver.kernel.org; Fri, 14 Aug 2020 13:13:43 -0400 Received: from eggs.gnu.org ([2001:470:142:3::10]:54764) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1k6dGM-000234-6c for qemu-devel@nongnu.org; Fri, 14 Aug 2020 13:13:06 -0400 Received: from mail-pj1-x1041.google.com ([2607:f8b0:4864:20::1041]:38392) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_128_GCM_SHA256:128) (Exim 4.90_1) (envelope-from ) id 1k6dGK-0006O3-Il for qemu-devel@nongnu.org; Fri, 14 Aug 2020 13:13:05 -0400 Received: by mail-pj1-x1041.google.com with SMTP id ep8so4683319pjb.3 for ; Fri, 14 Aug 2020 10:13:04 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linaro.org; s=google; h=subject:to:cc:references:from:message-id:date:user-agent :mime-version:in-reply-to:content-language:content-transfer-encoding; bh=ZFuA5der7b54aAokYnIBx1jHUrMnEJxZB+HuaWuvMko=; b=lGlWvjM+T9RBppmxl5xAfMbJAletGk9yLD/N8Ur05Ya3J8cn34nqJVZ6h+rin5rLBl LZwr+uQrcOuMiIFuBlv2RyRo433Kqn0oNrnE2keXtHAgpTpSxc0wwx0FuaPFjKeM8MHa H+F70zSVKTA6d3fBBSlJrTEB8Zf4HwTkPwJDtU+gM/mmOcVJpTiPASg09wD39brud5bk WKFoJn2TOmL5qvH2F7dhc4hE0Ls56+SoGC/h316itgKTt1YLZAyLxyW64L+eLeN/P7Cc g9R8MIcL6cFKIbYt5mpQWNK3uN16TA93Fxh1feHAsglZ7KDFKzq2nSkqxWoND7z/1sJo ytwA== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:subject:to:cc:references:from:message-id:date :user-agent:mime-version:in-reply-to:content-language :content-transfer-encoding; bh=ZFuA5der7b54aAokYnIBx1jHUrMnEJxZB+HuaWuvMko=; b=O/HnfkiyhckleqMeIaeXQ5j/6WDrydFlb4UeQY4EZqAJiQcb/G12S8NJwaryE/ksbu ATxFIAKal3U1ayh9qfJRn5lRtlCpux4xC18l6fheVLrGQRF40nXO2sWUbPGpmZzzXJCd j4tUI8ngmTm27os3i8T5uZTtJQuMFAKMHCwUUUoc1DIEm6HXsp+QejgRcmUfkTb2y2Xf fqyWFfKvrZ5/rUYgoQxbFdu7h8CF2GK8139DXab0ZeELq794GMCSZZNbcaYu3+UOCy4S ysVA4wfBmJntWpxOtQ4CISRSr1NdAKXujaQZaE5Hsu6Q/AqvvrI9o7lwiye2kG36n2cE /zdw== X-Gm-Message-State: AOAM533fufXT9/rpwCcy69UVtTQkmM4Axy1+H9lJV+mGMXxCQsLTkbZf 5cNuNyGf6wo0EK9rthMmMDs6Sw== X-Google-Smtp-Source: ABdhPJxY/umssUV4UvAtYViXyJbQETPS/HSc2hk484f51KOk42mmDzJBZQ4R39lZZ4lyi6uivrtNsg== X-Received: by 2002:a17:902:7b82:: with SMTP id w2mr2728335pll.39.1597425182949; Fri, 14 Aug 2020 10:13:02 -0700 (PDT) Received: from [192.168.1.11] ([71.212.141.89]) by smtp.gmail.com with ESMTPSA id e4sm10062198pfd.204.2020.08.14.10.13.01 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Fri, 14 Aug 2020 10:13:01 -0700 (PDT) Subject: Re: [PATCH] hw/net/allwinner-sun8i-emac: Use AddressSpace for DMA transfers To: =?UTF-8?Q?Philippe_Mathieu-Daud=c3=a9?= , qemu-devel@nongnu.org References: <20200814122907.27732-1-f4bug@amsat.org> From: Richard Henderson Message-ID: <3ed25d03-c534-a2ae-07da-87c1ac5212d2@linaro.org> Date: Fri, 14 Aug 2020 10:12:59 -0700 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:68.0) Gecko/20100101 Thunderbird/68.10.0 MIME-Version: 1.0 In-Reply-To: <20200814122907.27732-1-f4bug@amsat.org> Content-Type: text/plain; charset=utf-8 Content-Language: en-US Content-Transfer-Encoding: 8bit Received-SPF: pass client-ip=2607:f8b0:4864:20::1041; envelope-from=richard.henderson@linaro.org; helo=mail-pj1-x1041.google.com X-detected-operating-system: by eggs.gnu.org: No matching host in p0f cache. That's all we know. X-Spam_score_int: -20 X-Spam_score: -2.1 X-Spam_bar: -- X-Spam_report: (-2.1 / 5.0 requ) BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, RCVD_IN_DNSWL_NONE=-0.0001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001 autolearn=ham autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Beniamino Galvani , Peter Maydell , Jason Wang , qemu-arm@nongnu.org, Niek Linnenbank Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: "Qemu-devel" On 8/14/20 5:29 AM, Philippe Mathieu-Daudé wrote: > Allow the device to execute the DMA transfers in a different > AddressSpace. > > The H3 SoC keeps using the system_memory address space, > but via the proper dma_memory_access() API. > > Signed-off-by: Philippe Mathieu-Daudé > --- > Tested with: > AVOCADO_ALLOW_LARGE_STORAGE=1 avocado run -t machine:orangepi-pc tests/acceptance/ > --- > include/hw/net/allwinner-sun8i-emac.h | 6 ++++ > hw/arm/allwinner-h3.c | 2 ++ > hw/net/allwinner-sun8i-emac.c | 46 +++++++++++++++++---------- > 3 files changed, 38 insertions(+), 16 deletions(-) Reviewed-by: Richard Henderson r~