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=-3.8 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,USER_AGENT_GIT autolearn=no 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 01D01C432C3 for ; Fri, 15 Nov 2019 20:51:32 +0000 (UTC) Received: from lists.ozlabs.org (lists.ozlabs.org [203.11.71.2]) (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 5E66920733 for ; Fri, 15 Nov 2019 20:51:31 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 5E66920733 Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=us.ibm.com Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=linuxppc-dev-bounces+linuxppc-dev=archiver.kernel.org@lists.ozlabs.org Received: from lists.ozlabs.org (lists.ozlabs.org [IPv6:2401:3900:2:1::3]) by lists.ozlabs.org (Postfix) with ESMTP id 47F9W40bJ4zDqG1 for ; Sat, 16 Nov 2019 07:51:28 +1100 (AEDT) Authentication-Results: lists.ozlabs.org; spf=pass (sender SPF authorized) smtp.mailfrom=us.ibm.com (client-ip=148.163.156.1; helo=mx0a-001b2d01.pphosted.com; envelope-from=linuxram@us.ibm.com; receiver=) Authentication-Results: lists.ozlabs.org; dmarc=none (p=none dis=none) header.from=us.ibm.com Received: from mx0a-001b2d01.pphosted.com (mx0a-001b2d01.pphosted.com [148.163.156.1]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by lists.ozlabs.org (Postfix) with ESMTPS id 47F9Sg5Ph1zF7c8 for ; Sat, 16 Nov 2019 07:49:23 +1100 (AEDT) Received: from pps.filterd (m0098399.ppops.net [127.0.0.1]) by mx0a-001b2d01.pphosted.com (8.16.0.42/8.16.0.42) with SMTP id xAFKlfKr112160 for ; Fri, 15 Nov 2019 15:49:20 -0500 Received: from e06smtp01.uk.ibm.com (e06smtp01.uk.ibm.com [195.75.94.97]) by mx0a-001b2d01.pphosted.com with ESMTP id 2w9nuhp5t2-1 (version=TLSv1.2 cipher=AES256-GCM-SHA384 bits=256 verify=NOT) for ; Fri, 15 Nov 2019 15:49:20 -0500 Received: from localhost by e06smtp01.uk.ibm.com with IBM ESMTP SMTP Gateway: Authorized Use Only! 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Violators will be prosecuted; (version=TLSv1/SSLv3 cipher=AES256-GCM-SHA384 bits=256/256) Fri, 15 Nov 2019 20:49:12 -0000 Received: from d06av24.portsmouth.uk.ibm.com (mk.ibm.com [9.149.105.60]) by b06cxnps3075.portsmouth.uk.ibm.com (8.14.9/8.14.9/NCO v10.0) with ESMTP id xAFKnADx55836738 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-GCM-SHA384 bits=256 verify=OK); Fri, 15 Nov 2019 20:49:10 GMT Received: from d06av24.portsmouth.uk.ibm.com (unknown [127.0.0.1]) by IMSVA (Postfix) with ESMTP id 86EB342042; Fri, 15 Nov 2019 20:49:10 +0000 (GMT) Received: from d06av24.portsmouth.uk.ibm.com (unknown [127.0.0.1]) by IMSVA (Postfix) with ESMTP id 0F21542041; Fri, 15 Nov 2019 20:49:07 +0000 (GMT) Received: from oc0525413822.ibm.com (unknown [9.85.181.122]) by d06av24.portsmouth.uk.ibm.com (Postfix) with ESMTP; Fri, 15 Nov 2019 20:49:06 +0000 (GMT) From: Ram Pai To: linuxppc-dev@lists.ozlabs.org, mpe@ellerman.id.au Subject: [v3 0/2] Enable IOMMU support for pseries Secure VMs Date: Fri, 15 Nov 2019 12:48:29 -0800 X-Mailer: git-send-email 1.8.3.1 X-TM-AS-GCONF: 00 x-cbid: 19111520-4275-0000-0000-0000037E4E37 X-IBM-AV-DETECTION: SAVI=unused REMOTE=unused XFE=unused x-cbparentid: 19111520-4276-0000-0000-00003891B93C Message-Id: <1573850911-19590-1-git-send-email-linuxram@us.ibm.com> X-Proofpoint-Virus-Version: vendor=fsecure engine=2.50.10434:6.0.95,18.0.572 definitions=2019-11-15_06:2019-11-15,2019-11-15 signatures=0 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 bulkscore=0 phishscore=0 spamscore=0 clxscore=1015 malwarescore=0 impostorscore=0 priorityscore=1501 lowpriorityscore=0 adultscore=0 mlxscore=0 mlxlogscore=505 suspectscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.12.0-1910280000 definitions=main-1911150185 X-BeenThere: linuxppc-dev@lists.ozlabs.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Linux on PowerPC Developers Mail List List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: andmike@us.ibm.com, pasic@linux.ibm.com, mst@redhat.com, aik@ozlabs.ru, linuxram@us.ibm.com, mdroth@linux.vnet.ibm.com, linux-kernel@vger.kernel.org, ram.n.pai@gmail.com, cai@lca.pw, tglx@linutronix.de, sukadev@linux.vnet.ibm.com, hch@lst.de, bauerman@linux.ibm.com, david@gibson.dropbear.id.au Errors-To: linuxppc-dev-bounces+linuxppc-dev=archiver.kernel.org@lists.ozlabs.org Sender: "Linuxppc-dev" This patch series enables IOMMU support for pseries Secure VMs. Tested using QEMU command line option: "-device virtio-scsi-pci,id=scsi0,bus=pci.0,addr=0x4, iommu_platform=on,disable-modern=off,disable-legacy=on" and "-device virtio-blk-pci,scsi=off,bus=pci.0, addr=0x5,drive=drive-virtio-disk0,id=virtio-disk0, iommu_platform=on,disable-modern=off,disable-legacy=on" changelog: v3: Better description of 2/2 patch. Suggested by David Gibson. v2: added comments describing the changes. Suggested by Alexey and Michael Ellermen. Ram Pai (2): powerpc/pseries/iommu: Share the per-cpu TCE page with the hypervisor. powerpc/pseries/iommu: Use dma_iommu_ops for Secure VMs aswell. arch/powerpc/platforms/pseries/iommu.c | 34 +++++++++++++++++++++------------- 1 file changed, 21 insertions(+), 13 deletions(-) -- 1.8.3.1