From patchwork Thu Jan 26 13:16:00 2017 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: "Edgar E. Iglesias" X-Patchwork-Id: 9539241 Return-Path: Received: from mail.wl.linuxfoundation.org (pdx-wl-mail.web.codeaurora.org [172.30.200.125]) by pdx-korg-patchwork.web.codeaurora.org (Postfix) with ESMTP id 95293604A0 for ; Thu, 26 Jan 2017 13:18:12 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 989032022B for ; Thu, 26 Jan 2017 13:18:12 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id 8D400282ED; Thu, 26 Jan 2017 13:18:12 +0000 (UTC) X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on pdx-wl-mail.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-3.6 required=2.0 tests=BAYES_00, DKIM_ADSP_CUSTOM_MED, DKIM_SIGNED, FREEMAIL_FROM, RCVD_IN_DNSWL_MED, RCVD_IN_SORBS_SPAM, T_DKIM_INVALID autolearn=ham version=3.3.1 Received: from lists.xenproject.org (lists.xenproject.org [192.237.175.120]) (using TLSv1.2 with cipher AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by mail.wl.linuxfoundation.org (Postfix) with ESMTPS id 0A3962022B for ; Thu, 26 Jan 2017 13:18:11 +0000 (UTC) Received: from localhost ([127.0.0.1] helo=lists.xenproject.org) by lists.xenproject.org with esmtp (Exim 4.84_2) (envelope-from ) id 1cWjuO-0007K1-VK; Thu, 26 Jan 2017 13:16:12 +0000 Received: from mail6.bemta6.messagelabs.com ([193.109.254.103]) by lists.xenproject.org with esmtp (Exim 4.84_2) (envelope-from ) id 1cWjuN-0007JP-MY for xen-devel@lists.xen.org; Thu, 26 Jan 2017 13:16:11 +0000 Received: from [85.158.143.35] by server-11.bemta-6.messagelabs.com id F8/E8-25337-A96F9885; Thu, 26 Jan 2017 13:16:10 +0000 X-Brightmail-Tracker: H4sIAAAAAAAAA+NgFlrDIsWRWlGSWpSXmKPExsVyMfS6i+7Mb50 RBo07LC2WfFzM4sDocXT3b6YAxijWzLyk/IoE1owbuz6yFuzhqPi2bTFbA+NM9i5GLg4hgUmM EmfX9LCAOCwCL1kkpmw8wgbiSAj0s0q8/bgHyOEEcmIkzn1cwQphV0jM3n+PHcQWElCXOP1uB xvEqOlMEnOufWYBSbAJmEjs/fOACcQWEZCWuPb5MiOIzSzgK3Fz53GgOAeHMNDQA4ttQcIsAq oSrX8XgpXzCrhLfF7zjhFil5zEzXOdzCA2p4CHxJcVU5gg9rpLPHhxhHUCo8ACRoZVjBrFqUV lqUW6xkZ6SUWZ6RkluYmZObqGBmZ6uanFxYnpqTmJScV6yfm5mxiBocUABDsYT68LPMQoycGk JMp7U7szQogvKT+lMiOxOCO+qDQntfgQowwHh5IE76KvQDnBotT01Iq0zBxgkMOkJTh4lER4s 0HSvMUFibnFmekQqVOMlhw9XadfMnGcugEi9+y6/JJJiCUvPy9VSpx3CkiDAEhDRmke3DhYJF 5ilJUS5mUEOlCIpyC1KDezBFX+FaM4B6OSMG8WyBSezLwSuK2vgA5iAjroAnM7yEEliQgpqQZ Gh+ofETw6V2PZLwRN3dF+8JyqWmGSYomz/7Xj3YWNTN8imQ6pWOg1eaZwesodiTzcdqFhnVgE 86WFP1fPKVDhMEmZuqL4qU6hxUG3SieeC/n1cpGzuzVf7bff1vH4oFJep7zmDcX9OyyPxhZJ/ pmra7Frj+u0xfn7L/F2Pitpv2/xvFzT1EKJpTgj0VCLuag4EQALdQSAvwIAAA== X-Env-Sender: edgar.iglesias@gmail.com X-Msg-Ref: server-16.tower-21.messagelabs.com!1485436568!50136992!1 X-Originating-IP: [209.85.215.68] X-SpamReason: No, hits=0.0 required=7.0 tests= X-StarScan-Received: X-StarScan-Version: 9.1.1; banners=-,-,- X-VirusChecked: Checked Received: (qmail 11864 invoked from network); 26 Jan 2017 13:16:09 -0000 Received: from mail-lf0-f68.google.com (HELO mail-lf0-f68.google.com) (209.85.215.68) by server-16.tower-21.messagelabs.com with AES128-GCM-SHA256 encrypted SMTP; 26 Jan 2017 13:16:09 -0000 Received: by mail-lf0-f68.google.com with SMTP id v186so23693030lfa.2 for ; Thu, 26 Jan 2017 05:16:08 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=from:to:cc:subject:date:message-id:in-reply-to:references; bh=juTfedcFzCrcTeSpsMELp3XvmBBjWRmdDBiLSZOHWK4=; b=oU93ly+hsClNZhazJFG9/287fqIXe0Bj6KNZizSlg2HQF4N8shhK71L8HHUoDmHrLj WpEscxKgIqys/Q097ZfrV99IciFVSv6n8OjySskq1xaflPoWjb7BFkjvU0zWkdQThopo 1VPca5rNnBL7sPswUvCSTqgUe58DsuPcbqYz1F7Xq/ccBikwN4sVX9XnF4mRGeOysNzA AUwqcuA0FYP+hVEjKxWh1pMHQaZZXHnJgBzm7sNHGux7hHsinUeS1vB+/1+0nTwQMv/V TUgKSsKgpg3lFBOqnhwgtYDWMGE1AoFaTaivHDYb3h75OG84knv24jjC2DAGqbWO673q owNA== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:from:to:cc:subject:date:message-id:in-reply-to :references; bh=juTfedcFzCrcTeSpsMELp3XvmBBjWRmdDBiLSZOHWK4=; b=sqKuds8JNbrK5dbdnGLurtImx6noDinhHdU37c0RNbUM/TowEaQDxn9XrufSZ/MsDL +YyhaBQ9vHUn6c/2mAQTym03zGiUS60UXfsbrsyMCZXACcb0jVrh6ju+ZTjSx5p5MrCJ Nev1JDN3dty3hk0TrX+IqyDzsgwlqhaDXEvj5feutyB2CSrOP7gxupaRMgfzMFkp7n8u db1GAgMiQau+6F9ZSde1a4H1CG5ONQ0KQqV8StJUN3cVj41GcYiJya1PvEfdXWL4ulBG p6zbFlX3pJ8VWZ21mpb40g0neYgueouC/7fbK2rjtU4cLsqcWxgZNHvjEdb1ch29lAF7 R/fA== X-Gm-Message-State: AIkVDXK7FuYBYw9q5wpPgs+c/HVjoR1mgkq24v7571PHFTxWl4JL//x5M6lxOoaAmqP9vQ== X-Received: by 10.25.29.195 with SMTP id d186mr968398lfd.72.1485436568105; Thu, 26 Jan 2017 05:16:08 -0800 (PST) Received: from localhost (81-231-233-234-no56.tbcn.telia.com. [81.231.233.234]) by smtp.gmail.com with ESMTPSA id e86sm480348lji.32.2017.01.26.05.16.07 (version=TLS1_2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Thu, 26 Jan 2017 05:16:07 -0800 (PST) From: "Edgar E. Iglesias" To: xen-devel@lists.xen.org Date: Thu, 26 Jan 2017 14:16:00 +0100 Message-Id: <1485436562-7312-2-git-send-email-edgar.iglesias@gmail.com> X-Mailer: git-send-email 2.7.4 In-Reply-To: <1485436562-7312-1-git-send-email-edgar.iglesias@gmail.com> References: <1485436562-7312-1-git-send-email-edgar.iglesias@gmail.com> Cc: edgar.iglesias@xilinx.com, julien.grall@arm.com, sstabellini@kernel.org Subject: [Xen-devel] [PATCH v2 1/3] xen/arm: dt: Relax hw domain mapping attributes to p2m_mmio_direct_c X-BeenThere: xen-devel@lists.xen.org X-Mailman-Version: 2.1.18 Precedence: list List-Id: Xen developer discussion List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , MIME-Version: 1.0 Errors-To: xen-devel-bounces@lists.xen.org Sender: "Xen-devel" X-Virus-Scanned: ClamAV using ClamSMTP From: "Edgar E. Iglesias" Since the hardware domain is a trusted domain, we extend the trust to include making final decisions on what attributes to use when mapping memory regions. For device-tree configured hardware domains, this patch relaxes the hardware domains mapping attributes to p2m_mmio_direct_c. This will allow the hardware domain to control the attributes via its S1 mappings. Signed-off-by: Edgar E. Iglesias Reviewed-by: Julien Grall --- xen/arch/arm/domain_build.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/xen/arch/arm/domain_build.c b/xen/arch/arm/domain_build.c index 63301e6..4fc467c 100644 --- a/xen/arch/arm/domain_build.c +++ b/xen/arch/arm/domain_build.c @@ -1330,7 +1330,7 @@ static int handle_node(struct domain *d, struct kernel_info *kinfo, static int prepare_dtb(struct domain *d, struct kernel_info *kinfo) { - const p2m_type_t default_p2mt = p2m_mmio_direct_dev; + const p2m_type_t default_p2mt = p2m_mmio_direct_c; const void *fdt; int new_size; int ret;