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 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 smtp.lore.kernel.org (Postfix) with ESMTPS id 7C881C4321E for ; Mon, 5 Dec 2022 17:34:29 +0000 (UTC) Received: from localhost ([::1] helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1p2FKY-0007zN-0r; Mon, 05 Dec 2022 12:32:38 -0500 Received: from eggs.gnu.org ([2001:470:142:3::10]) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1p2FKT-0007ve-7H for qemu-devel@nongnu.org; Mon, 05 Dec 2022 12:32:33 -0500 Received: from casper.infradead.org ([2001:8b0:10b:1236::1]) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1p2FJx-0007Pw-Nw for qemu-devel@nongnu.org; Mon, 05 Dec 2022 12:32:31 -0500 DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=infradead.org; s=casper.20170209; h=Sender:Content-Transfer-Encoding: MIME-Version:References:In-Reply-To:Message-Id:Date:Subject:Cc:To:From: Reply-To:Content-Type:Content-ID:Content-Description; bh=RC1b0O/SQwuLy4rEZI/XQAlMOsJn5xuUS8NUYYpuR5Y=; b=wLnTPmxZTJ3TOtw3EEm6k2vltB jtgm5zQzlb9m4e2V094yzugUh+PPkutawARrG9IDlaGrZSgpHuAL4rsFnVsw10SbTmnLXPeJyq4OX jK6L3jhSwQZPrS64By+M5Bb7neyKvEYuF5ZlFC+BVgqd2EwjoaewmksBnx8DvDHBlgGnVle6Pf1LQ z1agvbxMwUk8WbeU0y0I0smBVzAO2FzqugnuVD224qGnsN5LUQyFbVynujImtasorlHFeYA+HO+tQ MfjX72/XpdT0TaQIpqI45IDquMGgN0zHg/AKYb7Mo+vbh8QsWEyNzBHo6CkpaUmlBzQmwvaXGDS7P TjDAQikA==; Received: from i7.infradead.org ([2001:8b0:10b:1:21e:67ff:fecb:7a92]) by casper.infradead.org with esmtpsa (Exim 4.94.2 #2 (Red Hat Linux)) id 1p2FJw-003TwS-Mh; Mon, 05 Dec 2022 17:32:00 +0000 Received: from dwoodhou by i7.infradead.org with local (Exim 4.94.2 #2 (Red Hat Linux)) id 1p2FJo-002YK0-I0; Mon, 05 Dec 2022 17:31:52 +0000 From: David Woodhouse To: qemu-devel@nongnu.org Cc: Paolo Bonzini , Paul Durrant , Joao Martins , Ankur Arora Subject: [RFC PATCH 07/21] xen-platform-pci: register xen-mmio as RAM for XEN_EMULATE Date: Mon, 5 Dec 2022 17:31:23 +0000 Message-Id: <20221205173137.607044-8-dwmw2@infradead.org> X-Mailer: git-send-email 2.35.3 In-Reply-To: <20221205173137.607044-1-dwmw2@infradead.org> References: <20221205173137.607044-1-dwmw2@infradead.org> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-SRS-Rewrite: SMTP reverse-path rewritten from by casper.infradead.org. See http://www.infradead.org/rpr.html Received-SPF: none client-ip=2001:8b0:10b:1236::1; envelope-from=BATV+f9b04eb53d39f4899ead+7043+infradead.org+dwmw2@casper.srs.infradead.org; helo=casper.infradead.org X-Spam_score_int: -43 X-Spam_score: -4.4 X-Spam_bar: ---- X-Spam_report: (-4.4 / 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_MED=-2.3, SPF_HELO_NONE=0.001, SPF_NONE=0.001 autolearn=ham autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org From: Joao Martins This is a workaround while we find the most elegant solution in grant table frames mapping. Signed-off-by: Joao Martins Signed-off-by: David Woodhouse --- hw/i386/xen/xen_platform.c | 8 ++++++-- 1 file changed, 6 insertions(+), 2 deletions(-) diff --git a/hw/i386/xen/xen_platform.c b/hw/i386/xen/xen_platform.c index 914619d140..710039851a 100644 --- a/hw/i386/xen/xen_platform.c +++ b/hw/i386/xen/xen_platform.c @@ -469,8 +469,12 @@ static const MemoryRegionOps platform_mmio_handler = { static void platform_mmio_setup(PCIXenPlatformState *d) { - memory_region_init_io(&d->mmio_bar, OBJECT(d), &platform_mmio_handler, d, - "xen-mmio", 0x1000000); + if (xen_mode == XEN_EMULATE) + memory_region_init_ram(&d->mmio_bar, OBJECT(d), "xen-mmio", 0x1000000, + &error_fatal); + else + memory_region_init_io(&d->mmio_bar, OBJECT(d), &platform_mmio_handler, d, + "xen-mmio", 0x1000000); } static int xen_platform_post_load(void *opaque, int version_id) -- 2.35.3