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Wed, 23 Aug 2023 14:22:20 GMT Received: from smtpav06.fra02v.mail.ibm.com (unknown [127.0.0.1]) by IMSVA (Postfix) with ESMTP id D50DF2006C; Wed, 23 Aug 2023 14:22:19 +0000 (GMT) Received: from smtpav06.fra02v.mail.ibm.com (unknown [127.0.0.1]) by IMSVA (Postfix) with ESMTP id 7B11920065; Wed, 23 Aug 2023 14:22:19 +0000 (GMT) Received: from a46lp73.lnxne.boe (unknown [9.152.108.100]) by smtpav06.fra02v.mail.ibm.com (Postfix) with ESMTP; Wed, 23 Aug 2023 14:22:19 +0000 (GMT) From: Steffen Eiden To: qemu-s390x@nongnu.org, qemu-devel@nongnu.org Cc: Janosch Frank , Thomas Huth , David Hildenbrand , Michael Mueller , Marc Hartmayer , Christian Borntraeger Subject: [PATCH v4 0/5] s390: Enable AP instructions for pv-guests Date: Wed, 23 Aug 2023 16:22:14 +0200 Message-ID: <20230823142219.1046522-1-seiden@linux.ibm.com> X-Mailer: git-send-email 2.41.0 X-TM-AS-GCONF: 00 X-Proofpoint-ORIG-GUID: mX7P5V3DefELnpHspkMlrJ4uzLzOf2pc X-Proofpoint-GUID: y8oYNDfh4D9k-caACJAQvZNyfXuJftNV X-Proofpoint-UnRewURL: 0 URL was un-rewritten MIME-Version: 1.0 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=2023-08-23_09,2023-08-22_01,2023-05-22_02 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 adultscore=0 lowpriorityscore=0 malwarescore=0 suspectscore=0 phishscore=0 priorityscore=1501 mlxscore=0 impostorscore=0 spamscore=0 clxscore=1015 mlxlogscore=632 bulkscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.12.0-2308100000 definitions=main-2308230128 Received-SPF: pass client-ip=148.163.156.1; envelope-from=seiden@linux.ibm.com; helo=mx0a-001b2d01.pphosted.com X-Spam_score_int: -19 X-Spam_score: -2.0 X-Spam_bar: -- X-Spam_report: (-2.0 / 5.0 requ) BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_EF=-0.1, RCVD_IN_MSPIKE_H5=0.001, RCVD_IN_MSPIKE_WL=0.001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001 autolearn=ham autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org Sender: qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org This series enables general QEMU support for AP pass-through for Secure Execution guests (pv-guests). To enable AP-PT on pv-guests QEMU has to turn on the corresponding bits in the KVM CPU-model[1] if the CPU firmware supports it. However, it only makes sense to turn on AP-PT if the QEMU user enabled (general) AP for that guest. See: https://lore.kernel.org/linux-s390/c29750cc-fc64-2805-f583-c7be247de02e@linux.ibm.com/T/#t The series consists of five patches: 1/2) fixes from Janosch for AP handling 3) update kvm-s390 header for this series (NOTFORMERGE) 4) small cleanup for kvm_s390_set_attr() refactor code to add ap_available() and ap_enabled() 5) Add UV_CALL CPU model enablement since v3: - nitfixes (Thomas) - r-b from Michael&Thomas since v2: - add fixes for AP from Janosch - rename *UV_CALL* to UV_FEAT_GUEST (Janosch) - early return on some functions (Janosch) - add r-b from Michael (Patch 4) - mark linux header update as NOTFORMERGE since v1: - removed the new features from the default gen16 model - updated KVM-headers to match KVM series v3 [1] - applied review comments from Thomas Steffen Janosch Frank (2): s390x/ap: fix missing subsystem reset registration s390x: switch pv and subsystem reset ordering on reboot Steffen Eiden (3): NOTFORMERGE update linux-headers/asm-s390/kvm.h target/s390x/kvm: Refactor AP functionalities target/s390x: AP-passthrough for PV guests hw/s390x/s390-virtio-ccw.c | 7 ++- linux-headers/asm-s390/kvm.h | 16 +++++ target/s390x/cpu_features.h | 1 + target/s390x/cpu_features_def.h.inc | 4 ++ target/s390x/cpu_models.c | 2 + target/s390x/gen-features.c | 2 + target/s390x/kvm/kvm.c | 94 ++++++++++++++++++++++++++--- 7 files changed, 116 insertions(+), 10 deletions(-)