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=-2.8 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, MAILING_LIST_MULTI,SPF_PASS,USER_AGENT_GIT autolearn=ham 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 AFC2EC6778C for ; Fri, 29 Jun 2018 21:13:03 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 71FC427F91 for ; Fri, 29 Jun 2018 21:13:03 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 71FC427F91 Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=linux.vnet.ibm.com Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=linux-kernel-owner@vger.kernel.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S966659AbeF2VNA (ORCPT ); Fri, 29 Jun 2018 17:13:00 -0400 Received: from mx0b-001b2d01.pphosted.com ([148.163.158.5]:49668 "EHLO mx0a-001b2d01.pphosted.com" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S966201AbeF2VMQ (ORCPT ); Fri, 29 Jun 2018 17:12:16 -0400 Received: from pps.filterd (m0098419.ppops.net [127.0.0.1]) by mx0b-001b2d01.pphosted.com (8.16.0.22/8.16.0.22) with SMTP id w5TL9C6N025442 for ; Fri, 29 Jun 2018 17:12:15 -0400 Received: from e16.ny.us.ibm.com (e16.ny.us.ibm.com [129.33.205.206]) by mx0b-001b2d01.pphosted.com with ESMTP id 2jws2fff4q-1 (version=TLSv1.2 cipher=AES256-GCM-SHA384 bits=256 verify=NOT) for ; Fri, 29 Jun 2018 17:12:15 -0400 Received: from localhost by e16.ny.us.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, 29 Jun 2018 17:12:10 -0400 Received: from b01ledav002.gho.pok.ibm.com (b01ledav002.gho.pok.ibm.com [9.57.199.107]) by b01cxnp22033.gho.pok.ibm.com (8.14.9/8.14.9/NCO v10.0) with ESMTP id w5TLC8J210158510 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-GCM-SHA384 bits=256 verify=FAIL); Fri, 29 Jun 2018 21:12:08 GMT Received: from b01ledav002.gho.pok.ibm.com (unknown [127.0.0.1]) by IMSVA (Postfix) with ESMTP id D93DF124055; Fri, 29 Jun 2018 18:13:37 -0400 (EDT) Received: from b01ledav002.gho.pok.ibm.com (unknown [127.0.0.1]) by IMSVA (Postfix) with ESMTP id D20B1124064; Fri, 29 Jun 2018 18:13:36 -0400 (EDT) Received: from localhost.localdomain (unknown [9.85.157.42]) by b01ledav002.gho.pok.ibm.com (Postfix) with ESMTPS; Fri, 29 Jun 2018 18:13:36 -0400 (EDT) From: Tony Krowiak To: linux-s390@vger.kernel.org, linux-kernel@vger.kernel.org, kvm@vger.kernel.org Cc: freude@de.ibm.com, schwidefsky@de.ibm.com, heiko.carstens@de.ibm.com, borntraeger@de.ibm.com, cohuck@redhat.com, kwankhede@nvidia.com, bjsdjshi@linux.vnet.ibm.com, pbonzini@redhat.com, alex.williamson@redhat.com, pmorel@linux.vnet.ibm.com, alifm@linux.vnet.ibm.com, mjrosato@linux.vnet.ibm.com, jjherne@linux.vnet.ibm.com, thuth@redhat.com, pasic@linux.vnet.ibm.com, berrange@redhat.com, fiuczy@linux.vnet.ibm.com, buendgen@de.ibm.com, akrowiak@linux.vnet.ibm.com, Tony Krowiak Subject: [PATCH v6 19/21] s390: vfio-ap: implement VFIO_DEVICE_RESET ioctl Date: Fri, 29 Jun 2018 17:11:21 -0400 X-Mailer: git-send-email 1.7.1 In-Reply-To: <1530306683-7270-1-git-send-email-akrowiak@linux.vnet.ibm.com> References: <1530306683-7270-1-git-send-email-akrowiak@linux.vnet.ibm.com> X-TM-AS-GCONF: 00 x-cbid: 18062921-0072-0000-0000-000003775991 X-IBM-SpamModules-Scores: X-IBM-SpamModules-Versions: BY=3.00009278; HX=3.00000241; KW=3.00000007; PH=3.00000004; SC=3.00000266; SDB=6.01054189; UDB=6.00540581; IPR=6.00832112; MB=3.00021933; MTD=3.00000008; XFM=3.00000015; UTC=2018-06-29 21:12:13 X-IBM-AV-DETECTION: SAVI=unused REMOTE=unused XFE=unused x-cbparentid: 18062921-0073-0000-0000-00004888EAF8 Message-Id: <1530306683-7270-20-git-send-email-akrowiak@linux.vnet.ibm.com> X-Proofpoint-Virus-Version: vendor=fsecure engine=2.50.10434:,, definitions=2018-06-29_10:,, signatures=0 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 priorityscore=1501 malwarescore=0 suspectscore=0 phishscore=0 bulkscore=0 spamscore=0 clxscore=1015 lowpriorityscore=0 mlxscore=0 impostorscore=0 mlxlogscore=999 adultscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.0.1-1806210000 definitions=main-1806290224 Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org From: Tony Krowiak Implements the VFIO_DEVICE_RESET ioctl. This ioctl zeroizes all of the AP queues assigned to the guest. Signed-off-by: Tony Krowiak --- drivers/s390/crypto/vfio_ap_ops.c | 5 ++++- 1 files changed, 4 insertions(+), 1 deletions(-) diff --git a/drivers/s390/crypto/vfio_ap_ops.c b/drivers/s390/crypto/vfio_ap_ops.c index e247491..4ff75c7 100644 --- a/drivers/s390/crypto/vfio_ap_ops.c +++ b/drivers/s390/crypto/vfio_ap_ops.c @@ -1161,7 +1161,7 @@ static int vfio_ap_mdev_get_device_info(unsigned long arg) return -EINVAL; } - info.flags = VFIO_DEVICE_FLAGS_AP; + info.flags = VFIO_DEVICE_FLAGS_AP | VFIO_DEVICE_FLAGS_RESET; info.num_regions = 0; info.num_irqs = 0; @@ -1177,6 +1177,9 @@ static ssize_t vfio_ap_mdev_ioctl(struct mdev_device *mdev, case VFIO_DEVICE_GET_INFO: ret = vfio_ap_mdev_get_device_info(arg); break; + case VFIO_DEVICE_RESET: + ret = vfio_ap_mdev_reset_queues(mdev, true); + break; default: pr_err("%s: ioctl command %d is not a supported command", VFIO_AP_MODULE_NAME, cmd); -- 1.7.1