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Violators will be prosecuted; (version=TLSv1/SSLv3 cipher=AES256-GCM-SHA384 bits=256/256) Sat, 20 Apr 2019 22:49:49 +0100 Received: from b03ledav004.gho.boulder.ibm.com (b03ledav004.gho.boulder.ibm.com [9.17.130.235]) by b03cxnp08026.gho.boulder.ibm.com (8.14.9/8.14.9/NCO v10.0) with ESMTP id x3KLnjQV51839198 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-GCM-SHA384 bits=256 verify=OK); Sat, 20 Apr 2019 21:49:45 GMT Received: from b03ledav004.gho.boulder.ibm.com (unknown [127.0.0.1]) by IMSVA (Postfix) with ESMTP id 2D5C67805E; Sat, 20 Apr 2019 21:49:45 +0000 (GMT) Received: from b03ledav004.gho.boulder.ibm.com (unknown [127.0.0.1]) by IMSVA (Postfix) with ESMTP id 616507805C; Sat, 20 Apr 2019 21:49:43 +0000 (GMT) Received: from akrowiak-ThinkPad-P50.ibm.com (unknown [9.85.174.45]) by b03ledav004.gho.boulder.ibm.com (Postfix) with ESMTPS; Sat, 20 Apr 2019 21:49:43 +0000 (GMT) From: Tony Krowiak To: linux-s390@vger.kernel.org, linux-kernel@vger.kernel.org, kvm@vger.kernel.org Cc: freude@linux.ibm.com, borntraeger@de.ibm.com, cohuck@redhat.com, frankja@linux.ibm.com, david@redhat.com, schwidefsky@de.ibm.com, heiko.carstens@de.ibm.com, pmorel@linux.ibm.com, pasic@linux.ibm.com, alex.williamson@redhat.com, kwankhede@nvidia.com, Tony Krowiak Subject: [PATCH v2 0/8] s390: vfio-ap: dynamic configuration support Date: Sat, 20 Apr 2019 17:49:32 -0400 X-Mailer: git-send-email 2.7.4 X-TM-AS-GCONF: 00 x-cbid: 19042021-8235-0000-0000-00000E831FD5 X-IBM-SpamModules-Scores: X-IBM-SpamModules-Versions: BY=3.00010964; HX=3.00000242; KW=3.00000007; PH=3.00000004; SC=3.00000285; SDB=6.01191979; UDB=6.00624740; IPR=6.00972781; MB=3.00026529; MTD=3.00000008; XFM=3.00000015; UTC=2019-04-20 21:49:51 X-IBM-AV-DETECTION: SAVI=unused REMOTE=unused XFE=unused x-cbparentid: 19042021-8236-0000-0000-0000453A35CF Message-Id: <1555796980-27920-1-git-send-email-akrowiak@linux.ibm.com> X-Proofpoint-Virus-Version: vendor=fsecure engine=2.50.10434:,, definitions=2019-04-20_07:,, 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=8.0.1-1810050000 definitions=main-1904200165 Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org This patch series extends the crypto adapter pass-through support to provide safeguards against inadvertent sharing of AP resources between guests and/or the host, and to implement more of the s390 AP architecture related to provisioning and dynamic configuration of AP resources. Change log v1->v2: ----------------- * Removed patches preventing root user from unbinding AP queues from the vfio_ap device driver * Introduced a shadow CRYCB in the vfio_ap driver to manage dynamic changes to the AP guest configuration due to root user interventions or hardware anomalies. Tony Krowiak (8): s390: vfio-ap: maintain a shadow of the CRYCB in use by a guest s390: vfio-ap: sysfs interface to display guest CRYCB s390: vfio-ap: allow assignment of unavailable AP resources to mdev device s390: vfio-ap: allow hot plug/unplug of AP resources using mdev device s390: vfio-ap: wait for queue empty on queue reset s390: kvm: test CRYCB masks before setting them s390: vfio-ap: handle bind and unbind of AP queue device s390: vfio-ap: update documentation Documentation/s390/vfio-ap.txt | 188 +++++++++++--- arch/s390/kvm/kvm-s390.c | 31 +++ drivers/s390/crypto/vfio_ap_drv.c | 16 +- drivers/s390/crypto/vfio_ap_ops.c | 449 ++++++++++++++++++++-------------- drivers/s390/crypto/vfio_ap_private.h | 4 + 5 files changed, 467 insertions(+), 221 deletions(-) -- 2.7.4