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Wed, 16 Aug 2023 12:12:50 +0000 (GMT) Message-ID: Date: Wed, 16 Aug 2023 14:12:50 +0200 MIME-Version: 1.0 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:102.0) Gecko/20100101 Thunderbird/102.13.0 Subject: Re: [PATCH 00/12] s390/vfio_ap: crypto pass-through for SE guests Content-Language: en-US From: Janosch Frank To: Tony Krowiak , linux-s390@vger.kernel.org, linux-kernel@vger.kernel.org, kvm@vger.kernel.org, Heiko Carstens Cc: jjherne@linux.ibm.com, freude@linux.ibm.com, borntraeger@de.ibm.com, cohuck@redhat.com, mjrosato@linux.ibm.com, pasic@linux.ibm.com, alex.williamson@redhat.com, kwankhede@nvidia.com, fiuczy@linux.ibm.com, Vasily Gorbik , Alexander Gordeev References: <20230815184333.6554-1-akrowiak@linux.ibm.com> In-Reply-To: Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit X-TM-AS-GCONF: 00 X-Proofpoint-GUID: qksQAiic00BEieg84a-LRAn5w6qJkkRv X-Proofpoint-ORIG-GUID: JiO9OG5J-wVGIP9JdGWtqC4WmtXNkw-n X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.267,Aquarius:18.0.957,Hydra:6.0.601,FMLib:17.11.176.26 definitions=2023-08-16_10,2023-08-15_02,2023-05-22_02 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 bulkscore=0 phishscore=0 mlxlogscore=999 spamscore=0 priorityscore=1501 malwarescore=0 clxscore=1015 impostorscore=0 lowpriorityscore=0 mlxscore=0 suspectscore=0 adultscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.12.0-2306200000 definitions=main-2308160105 Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On 8/16/23 13:39, Janosch Frank wrote: > On 8/15/23 20:43, Tony Krowiak wrote: >> This patch series is for the changes required in the vfio_ap device >> driver to facilitate pass-through of crypto devices to a secure >> execution guest. In particular, it is critical that no data from the >> queues passed through to the SE guest is leaked when the guest is >> destroyed. There are also some new response codes returned from the >> PQAP(ZAPQ) and PQAP(TAPQ) commands that have been added to the >> architecture in support of pass-through of crypto devices to SE guests; >> these need to be accounted for when handling the reset of queues. >> > > @Heiko: Once this has soaked a day or two, could you please apply this > and create a feature branch that I can pull from? Sorry for the noise, for some reason I still had Heiko's old address in the address book. I'll delete it in a second. Here we go again.