Received: by 2002:a25:8b91:0:0:0:0:0 with SMTP id j17csp1193921ybl; Sun, 1 Dec 2019 22:48:31 -0800 (PST) X-Google-Smtp-Source: APXvYqzh4RMEYkdIPn0KXRWQMgHwYwN3oLdyO1O5R6n01VVdHgMLjwIPcEUKEi5IMVcGyItfa716 X-Received: by 2002:a50:9316:: with SMTP id m22mr61650262eda.39.1575269311094; Sun, 01 Dec 2019 22:48:31 -0800 (PST) ARC-Seal: i=1; a=rsa-sha256; t=1575269311; cv=none; d=google.com; s=arc-20160816; b=j0tXOytcNnRsPN+KZHBSX/ZyJrdROfpHC5ep8Bf1+Iv9FidxFRUq+Vh52ou35BeAEd oEJZ8Ka2IDZpT2AHUm8rhLFSulBKc5g5G9Mi36Qnf7b4Qqrl6IQ+YqyfN+pVbxNdC8Ns sopJY787UuiCWBmPm+iM/W1fnWPGds3+VnaSGr4gN51qKVWm6pnK+3ulvEcUgjCryrBD KrXnj9K86qEvnTJ59MM5YbL74VZupaG95LfTRK8vZspe+EkIfy/GsLpRDKR0SF/SLgLO 5zTvfvr6PmPjkmbtpcN47ZbGC74z9mPfkn1aRb+e1p3y6rwaDtNKcTzGSy2vl9YEa2c3 FGiw== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=list-id:precedence:sender:message-id:date:subject:cc:to:from; bh=1EZoeQUPcb+sPCts8lb00jSL2kuWsBKrvwJJPTeez8Y=; b=eOadpZfLWwaqEaTw4RcZn08ESrsXkdjrtvOkkCQLHAsJ/duPWcAT/NGJYvzb3NdQLB 0sHUjgLX5GqWCWGIHJDpjPdphtgqFDL2HZFI6DliPKXNCUjt3caelfBCpBmlcCK1qlm+ tBV7msVORqnH2M1ZtO6QneJLTaplasl0aklyrtCFsjj4pozCqfq3iUqAio7iP7Bw1vcr 3aK8/p8p6wGMg/0SG/RAl6SqlVdAmjDKInduQGNSwxdhJQtqxeLQVz0fw1IemlIRlRtm iC62rV3q5wRRh+L4orYGQL4OiQqmJhjiYPxHDW0Kwzu/DEU2LbXdD8QSAuQyw0lKgELj wweg== ARC-Authentication-Results: i=1; mx.google.com; spf=pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org; dmarc=fail (p=NONE sp=NONE dis=NONE) header.from=ibm.com Return-Path: Received: from vger.kernel.org (vger.kernel.org. [209.132.180.67]) by mx.google.com with ESMTP id e17si197301ejd.249.2019.12.01.22.48.06; Sun, 01 Dec 2019 22:48:31 -0800 (PST) Received-SPF: pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) client-ip=209.132.180.67; Authentication-Results: mx.google.com; spf=pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org; dmarc=fail (p=NONE sp=NONE dis=NONE) header.from=ibm.com Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727426AbfLBGqc (ORCPT + 99 others); Mon, 2 Dec 2019 01:46:32 -0500 Received: from mx0a-001b2d01.pphosted.com ([148.163.156.1]:20790 "EHLO mx0a-001b2d01.pphosted.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726010AbfLBGqb (ORCPT ); Mon, 2 Dec 2019 01:46:31 -0500 Received: from pps.filterd (m0098396.ppops.net [127.0.0.1]) by mx0a-001b2d01.pphosted.com (8.16.0.42/8.16.0.42) with SMTP id xB26gb8E134832 for ; Mon, 2 Dec 2019 01:46:30 -0500 Received: from e06smtp07.uk.ibm.com (e06smtp07.uk.ibm.com [195.75.94.103]) by mx0a-001b2d01.pphosted.com with ESMTP id 2wm6smf2x9-1 (version=TLSv1.2 cipher=AES256-GCM-SHA384 bits=256 verify=NOT) for ; Mon, 02 Dec 2019 01:46:29 -0500 Received: from localhost by e06smtp07.uk.ibm.com with IBM ESMTP SMTP Gateway: Authorized Use Only! Violators will be prosecuted for from ; Mon, 2 Dec 2019 06:46:27 -0000 Received: from b06cxnps4076.portsmouth.uk.ibm.com (9.149.109.198) by e06smtp07.uk.ibm.com (192.168.101.137) with IBM ESMTP SMTP Gateway: Authorized Use Only! Violators will be prosecuted; (version=TLSv1/SSLv3 cipher=AES256-GCM-SHA384 bits=256/256) Mon, 2 Dec 2019 06:46:22 -0000 Received: from d06av25.portsmouth.uk.ibm.com (d06av25.portsmouth.uk.ibm.com [9.149.105.61]) by b06cxnps4076.portsmouth.uk.ibm.com (8.14.9/8.14.9/NCO v10.0) with ESMTP id xB26kLTS52887770 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-GCM-SHA384 bits=256 verify=OK); Mon, 2 Dec 2019 06:46:21 GMT Received: from d06av25.portsmouth.uk.ibm.com (unknown [127.0.0.1]) by IMSVA (Postfix) with ESMTP id 9691611C0AD; Mon, 2 Dec 2019 06:46:21 +0000 (GMT) Received: from d06av25.portsmouth.uk.ibm.com (unknown [127.0.0.1]) by IMSVA (Postfix) with ESMTP id 2543011C09F; Mon, 2 Dec 2019 06:46:04 +0000 (GMT) Received: from oc0525413822.ibm.com (unknown [9.80.214.136]) by d06av25.portsmouth.uk.ibm.com (Postfix) with ESMTP; Mon, 2 Dec 2019 06:46:03 +0000 (GMT) From: Ram Pai To: linuxppc-dev@lists.ozlabs.org, mpe@ellerman.id.au Cc: benh@kernel.crashing.org, david@gibson.dropbear.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: [PATCH v4 0/2] Enable IOMMU support for pseries Secure VMs Date: Sun, 1 Dec 2019 22:45:22 -0800 X-Mailer: git-send-email 1.8.3.1 X-TM-AS-GCONF: 00 x-cbid: 19120206-0028-0000-0000-000003C330FF X-IBM-AV-DETECTION: SAVI=unused REMOTE=unused XFE=unused x-cbparentid: 19120206-0029-0000-0000-0000248644D6 Message-Id: <1575269124-17885-1-git-send-email-linuxram@us.ibm.com> X-Proofpoint-Virus-Version: vendor=fsecure engine=2.50.10434:6.0.95,18.0.572 definitions=2019-12-01_04:2019-11-29,2019-12-01 signatures=0 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 bulkscore=0 mlxscore=0 suspectscore=0 clxscore=1015 malwarescore=0 adultscore=0 impostorscore=0 phishscore=0 mlxlogscore=539 spamscore=0 priorityscore=1501 lowpriorityscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.12.0-1910280000 definitions=main-1912020059 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" changelog: v4: Corrected the Subject, to include the keyword 'PATCH'. No other changes. 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