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 8D8B2CA9EC9 for ; Mon, 4 Nov 2019 21:29:43 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 691BE20B7C for ; Mon, 4 Nov 2019 21:29:43 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1729646AbfKDV3m (ORCPT ); Mon, 4 Nov 2019 16:29:42 -0500 Received: from mx0b-001b2d01.pphosted.com ([148.163.158.5]:28836 "EHLO mx0a-001b2d01.pphosted.com" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1728377AbfKDV3l (ORCPT ); Mon, 4 Nov 2019 16:29:41 -0500 Received: from pps.filterd (m0098417.ppops.net [127.0.0.1]) by mx0a-001b2d01.pphosted.com (8.16.0.27/8.16.0.27) with SMTP id xA4LT2pZ070320 for ; Mon, 4 Nov 2019 16:29:40 -0500 Received: from e06smtp02.uk.ibm.com (e06smtp02.uk.ibm.com [195.75.94.98]) by mx0a-001b2d01.pphosted.com with ESMTP id 2w2un30qyn-1 (version=TLSv1.2 cipher=AES256-GCM-SHA384 bits=256 verify=NOT) for ; Mon, 04 Nov 2019 16:29:40 -0500 Received: from localhost by e06smtp02.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) Mon, 4 Nov 2019 21:29:35 -0000 Received: from b06wcsmtp001.portsmouth.uk.ibm.com (b06wcsmtp001.portsmouth.uk.ibm.com [9.149.105.160]) by b06cxnps4074.portsmouth.uk.ibm.com (8.14.9/8.14.9/NCO v10.0) with ESMTP id xA4LTYFU19464226 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-GCM-SHA384 bits=256 verify=OK); Mon, 4 Nov 2019 21:29:34 GMT Received: from b06wcsmtp001.portsmouth.uk.ibm.com (unknown [127.0.0.1]) by IMSVA (Postfix) with ESMTP id 0D264A405B; Mon, 4 Nov 2019 21:29:34 +0000 (GMT) Received: from b06wcsmtp001.portsmouth.uk.ibm.com (unknown [127.0.0.1]) by IMSVA (Postfix) with ESMTP id 52178A405F; Mon, 4 Nov 2019 21:29:30 +0000 (GMT) Received: from oc0525413822.ibm.com (unknown [9.85.192.56]) by b06wcsmtp001.portsmouth.uk.ibm.com (Postfix) with ESMTP; Mon, 4 Nov 2019 21:29:30 +0000 (GMT) From: Ram Pai To: linuxppc-dev@lists.ozlabs.org Cc: benh@kernel.crashing.org, david@gibson.dropbear.id.au, mpe@ellerman.id.au, paulus@ozlabs.org, mdroth@linux.vnet.ibm.com, hch@lst.de, linuxram@us.ibm.com, andmike@us.ibm.com, sukadev@linux.vnet.ibm.com, mst@redhat.com, ram.n.pai@gmail.com, aik@ozlabs.ru, cai@lca.pw, tglx@linutronix.de, bauerman@linux.ibm.com, linux-kernel@vger.kernel.org Subject: [RFC v1 0/2] Enable IOMMU support for pseries Secure VMs Date: Mon, 4 Nov 2019 13:28:41 -0800 X-Mailer: git-send-email 1.8.3.1 X-TM-AS-GCONF: 00 x-cbid: 19110421-0008-0000-0000-0000032AAC47 X-IBM-AV-DETECTION: SAVI=unused REMOTE=unused XFE=unused x-cbparentid: 19110421-0009-0000-0000-00004A4A03AE Message-Id: <1572902923-8096-1-git-send-email-linuxram@us.ibm.com> X-Proofpoint-Virus-Version: vendor=fsecure engine=2.50.10434:,, definitions=2019-11-04_11:,, signatures=0 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 priorityscore=1501 malwarescore=0 suspectscore=1 phishscore=0 bulkscore=0 spamscore=0 clxscore=1015 lowpriorityscore=0 mlxscore=0 impostorscore=0 mlxlogscore=408 adultscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.0.1-1908290000 definitions=main-1911040205 Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org 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" 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 | 30 ++++++++++++++++++------------ 1 file changed, 18 insertions(+), 12 deletions(-) -- 1.8.3.1 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 044D0CA9EC9 for ; Mon, 4 Nov 2019 21:31:37 +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 A82A52067D for ; Mon, 4 Nov 2019 21:31:36 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org A82A52067D 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 bilbo.ozlabs.org (lists.ozlabs.org [IPv6:2401:3900:2:1::3]) by lists.ozlabs.org (Postfix) with ESMTP id 476QwQ5MXvzDrLb for ; Tue, 5 Nov 2019 08:31:34 +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 476QtK0j7WzF4FM for ; Tue, 5 Nov 2019 08:29:44 +1100 (AEDT) Received: from pps.filterd (m0098410.ppops.net [127.0.0.1]) by mx0a-001b2d01.pphosted.com (8.16.0.27/8.16.0.27) with SMTP id xA4LTBL0004762 for ; Mon, 4 Nov 2019 16:29:41 -0500 Received: from e06smtp02.uk.ibm.com (e06smtp02.uk.ibm.com [195.75.94.98]) by mx0a-001b2d01.pphosted.com with ESMTP id 2w2rhn8fsa-1 (version=TLSv1.2 cipher=AES256-GCM-SHA384 bits=256 verify=NOT) for ; Mon, 04 Nov 2019 16:29:41 -0500 Received: from localhost by e06smtp02.uk.ibm.com with IBM ESMTP SMTP Gateway: Authorized Use Only! Violators will be prosecuted for from ; Mon, 4 Nov 2019 21:29:38 -0000 Received: from b06cxnps4074.portsmouth.uk.ibm.com (9.149.109.196) by e06smtp02.uk.ibm.com (192.168.101.132) with IBM ESMTP SMTP Gateway: Authorized Use Only! Violators will be prosecuted; (version=TLSv1/SSLv3 cipher=AES256-GCM-SHA384 bits=256/256) Mon, 4 Nov 2019 21:29:35 -0000 Received: from b06wcsmtp001.portsmouth.uk.ibm.com (b06wcsmtp001.portsmouth.uk.ibm.com [9.149.105.160]) by b06cxnps4074.portsmouth.uk.ibm.com (8.14.9/8.14.9/NCO v10.0) with ESMTP id xA4LTYFU19464226 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-GCM-SHA384 bits=256 verify=OK); Mon, 4 Nov 2019 21:29:34 GMT Received: from b06wcsmtp001.portsmouth.uk.ibm.com (unknown [127.0.0.1]) by IMSVA (Postfix) with ESMTP id 0D264A405B; Mon, 4 Nov 2019 21:29:34 +0000 (GMT) Received: from b06wcsmtp001.portsmouth.uk.ibm.com (unknown [127.0.0.1]) by IMSVA (Postfix) with ESMTP id 52178A405F; Mon, 4 Nov 2019 21:29:30 +0000 (GMT) Received: from oc0525413822.ibm.com (unknown [9.85.192.56]) by b06wcsmtp001.portsmouth.uk.ibm.com (Postfix) with ESMTP; Mon, 4 Nov 2019 21:29:30 +0000 (GMT) From: Ram Pai To: linuxppc-dev@lists.ozlabs.org Subject: [RFC v1 0/2] Enable IOMMU support for pseries Secure VMs Date: Mon, 4 Nov 2019 13:28:41 -0800 X-Mailer: git-send-email 1.8.3.1 X-TM-AS-GCONF: 00 x-cbid: 19110421-0008-0000-0000-0000032AAC47 X-IBM-AV-DETECTION: SAVI=unused REMOTE=unused XFE=unused x-cbparentid: 19110421-0009-0000-0000-00004A4A03AE Message-Id: <1572902923-8096-1-git-send-email-linuxram@us.ibm.com> X-Proofpoint-Virus-Version: vendor=fsecure engine=2.50.10434:, , definitions=2019-11-04_11:, , signatures=0 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 priorityscore=1501 malwarescore=0 suspectscore=1 phishscore=0 bulkscore=0 spamscore=0 clxscore=1015 lowpriorityscore=0 mlxscore=0 impostorscore=0 mlxlogscore=410 adultscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.0.1-1908290000 definitions=main-1911040205 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, 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" 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 | 30 ++++++++++++++++++------------ 1 file changed, 18 insertions(+), 12 deletions(-) -- 1.8.3.1