From nobody Tue Nov 26 06:39:41 2024 Delivered-To: importer@patchew.org Authentication-Results: mx.zohomail.com; dkim=pass; spf=pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) smtp.mailfrom=qemu-devel-bounces+importer=patchew.org@nongnu.org; dmarc=pass(p=none dis=none) header.from=redhat.com ARC-Seal: i=1; a=rsa-sha256; t=1709662128; cv=none; d=zohomail.com; s=zohoarc; b=H7+Fcm4/gyE3+BlUldRlolu8vkQ2UDWjZJ1S7uYxXdo3Z01YkjgSkRqWXCPNsocWUkqeOrKxkkCZWL7Vgi4WmF/frNtUjLWDqPC9jnmG+fSuy1kaNEd0HvZTmkBWEofn2U6Jnp5cr+1KZOrOsf0A1RrlwkC44dY9W3BpWLNT8zs= ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=zohomail.com; s=zohoarc; t=1709662128; h=Content-Transfer-Encoding:Cc:Cc:Date:Date:From:From:In-Reply-To:List-Subscribe:List-Post:List-Id:List-Archive:List-Help:List-Unsubscribe:MIME-Version:Message-ID:References:Sender:Subject:Subject:To:To:Message-Id:Reply-To; bh=Ds+IJz/k3bgm4Wib0Mb+o00Gd/ddoUQz4Q1KqkWK7dA=; b=KcM1qG/kgFuE8BwaGtLa8gLme7qnV1g3cJS70+iX8xxgTwHEYQYBPKnZX2XW/ZQzSWuTJFJxg1a0r8BfQ6mr4fBE4N+sC3DnWADibOHkCXgO5NjUUc1WO6Y91labJm8LcS8fc7CtJnqORAhM4809SmRqeb7iOBarNivca0FdQKw= ARC-Authentication-Results: i=1; mx.zohomail.com; dkim=pass; spf=pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) smtp.mailfrom=qemu-devel-bounces+importer=patchew.org@nongnu.org; dmarc=pass header.from= (p=none dis=none) Return-Path: Received: from lists.gnu.org (lists.gnu.org [209.51.188.17]) by mx.zohomail.com with SMTPS id 1709662128594895.1139318487842; Tue, 5 Mar 2024 10:08:48 -0800 (PST) Received: from localhost ([::1] helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1rhZCt-0001ta-Qm; Tue, 05 Mar 2024 13:08:03 -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 1rhZCr-0001st-Pf for qemu-devel@nongnu.org; Tue, 05 Mar 2024 13:08:01 -0500 Received: from us-smtp-delivery-124.mimecast.com ([170.10.129.124]) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1rhZCq-0008Vm-6c for qemu-devel@nongnu.org; Tue, 05 Mar 2024 13:08:01 -0500 Received: from mimecast-mx02.redhat.com (mimecast-mx02.redhat.com [66.187.233.88]) by relay.mimecast.com with ESMTP with STARTTLS (version=TLSv1.3, cipher=TLS_AES_256_GCM_SHA384) id us-mta-507-chDRlE3kN12BLTkc-smLUQ-1; Tue, 05 Mar 2024 13:07:56 -0500 Received: from smtp.corp.redhat.com (int-mx08.intmail.prod.int.rdu2.redhat.com [10.11.54.8]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (2048 bits) server-digest SHA256) (No client certificate requested) by mimecast-mx02.redhat.com (Postfix) with ESMTPS id A8B10800266; Tue, 5 Mar 2024 18:07:55 +0000 (UTC) Received: from laptop.redhat.com (unknown [10.39.193.114]) by smtp.corp.redhat.com (Postfix) with ESMTP id 40157C041F0; Tue, 5 Mar 2024 18:07:52 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1709662079; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=Ds+IJz/k3bgm4Wib0Mb+o00Gd/ddoUQz4Q1KqkWK7dA=; b=U0T+uyp0lYrlH7WVZDxrfOE6IROqO2ARl/24j3OSbU+TY+BTERJn48WwsEWZvWzZ/ENSN3 nGWVxQ3giW/UVAs6qaSt/JPx8llxcnoZAVuBAhB945gZN+7rCA7oBp0IXEsogAvwTD+PGg 0UOc06ePHZOEKXIWJLis91oOeXqv7UU= X-MC-Unique: chDRlE3kN12BLTkc-smLUQ-1 From: Eric Auger To: eric.auger.pro@gmail.com, eric.auger@redhat.com, qemu-devel@nongnu.org, qemu-arm@nongnu.org, mst@redhat.com, jean-philippe@linaro.org, imammedo@redhat.com, peter.maydell@linaro.org, clg@redhat.com, yanghliu@redhat.com, zhenzhong.duan@intel.com Cc: alex.williamson@redhat.com, jasowang@redhat.com, pbonzini@redhat.com, berrange@redhat.com Subject: [PATCH v6 4/9] qemu-options.hx: Document the virtio-iommu-pci granule option Date: Tue, 5 Mar 2024 19:06:22 +0100 Message-ID: <20240305180734.48515-5-eric.auger@redhat.com> In-Reply-To: <20240305180734.48515-1-eric.auger@redhat.com> References: <20240305180734.48515-1-eric.auger@redhat.com> MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable X-Scanned-By: MIMEDefang 3.4.1 on 10.11.54.8 Received-SPF: pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) client-ip=209.51.188.17; envelope-from=qemu-devel-bounces+importer=patchew.org@nongnu.org; helo=lists.gnu.org; Received-SPF: pass client-ip=170.10.129.124; envelope-from=eric.auger@redhat.com; helo=us-smtp-delivery-124.mimecast.com X-Spam_score_int: -26 X-Spam_score: -2.7 X-Spam_bar: -- X-Spam_report: (-2.7 / 5.0 requ) BAYES_00=-1.9, DKIMWL_WL_HIGH=-0.568, 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, T_SCC_BODY_TEXT_LINE=-0.01 autolearn=unavailable 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+importer=patchew.org@nongnu.org Sender: qemu-devel-bounces+importer=patchew.org@nongnu.org X-ZohoMail-DKIM: pass (identity @redhat.com) X-ZM-MESSAGEID: 1709662128935100001 Content-Type: text/plain; charset="utf-8" We are missing an entry for the virtio-iommu-pci device. Add the information on which machine it is currently supported and document the new granule option. Signed-off-by: Eric Auger --- qemu-options.hx | 8 ++++++++ 1 file changed, 8 insertions(+) diff --git a/qemu-options.hx b/qemu-options.hx index 9a47385c15..757df3eac0 100644 --- a/qemu-options.hx +++ b/qemu-options.hx @@ -1172,6 +1172,14 @@ SRST Please also refer to the wiki page for general scenarios of VT-d emulation in QEMU: https://wiki.qemu.org/Features/VT-d. =20 +``-device virtio-iommu-pci[,option=3D...]`` + This is only supported by ``-machine q35`` and ``-machine virt``. + It supports below options: + + ``granule=3Dval`` (possible values are 4k, 8k, 16k, 64k and host; defa= ult: host) + This decides the default granule to be be exposed by the + virtio-iommu. If host, the granule matches the host page size. + ERST =20 DEF("name", HAS_ARG, QEMU_OPTION_name, --=20 2.41.0