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Fri, 18 Sep 2026 14:51:53 +0000 (GMT) Received: from tuxmaker.boeblingen.de.ibm.com (unknown [9.87.85.9]) by smtpav04.fra02v.mail.ibm.com (Postfix) with SMTP; Fri, 18 Sep 2026 14:51:53 +0000 (GMT) Received: by tuxmaker.boeblingen.de.ibm.com (Postfix, from userid 4958) id 42364160D6F; Fri, 18 Sep 2026 16:51:53 +0200 (CEST) From: Eric Farman To: Tony Krowiak , Paolo Bonzini , Sean Christopherson Cc: Jonathan Corbet , Shuah Khan , Randy Dunlap , kvm@vger.kernel.org, linux-doc@vger.kernel.org, linux-s390@vger.kernel.org, Eric Farman Subject: [PATCH] Documentation: Add missing KVM s390 crypto attributes Date: Fri, 18 Sep 2026 16:51:51 +0200 Message-ID: <20260918145151.2116991-1-farman@linux.ibm.com> X-Mailer: git-send-email 2.53.0 Precedence: bulk X-Mailing-List: kvm@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable X-TM-AS-GCONF: 00 X-Proofpoint-Reinject: loops=2 maxloops=12 X-Proofpoint-GUID: O2fzhYu2FJRur6clFrYwVjak_BMcpHBT X-Proofpoint-Spam-Info: AW1haW4tMjYwOTE4MDIwNyBTYWx0ZWRfX/qA8POljyuM+ lMjHEYTAtJB4P8lfb+8Qnvat7B8GfOHVWfl24YJ694heoLatr5e8PzK9MPDIC7Z3e09xft8MNIT PPDqyV/pigVOBBk96slPMwDdQQLlhqc= X-Authority-Analysis: v=2.4 cv=cvgOAF4i c=1 sm=1 tr=0 ts=6aad5015 cx=c_pps a=3Bg1Hr4SwmMryq2xdFQyZA==:117 a=3Bg1Hr4SwmMryq2xdFQyZA==:17 a=VdqzKS8jKosA:10 a=VkNPw1HP01LnGYTKEx00:22 a=RnoormkPH1_aCDwRdu11:22 a=U7nrCbtTmkRpXpFmAIza:22 a=VnNF1IyMAAAA:8 a=I0NS5xvgDdluT5zVreoA:9 X-Proofpoint-ORIG-GUID: QrMUBs7GeTC9YuqjkOj4oyE4kOtCB2dg X-Proofpoint-Spam-Details-Enc: AW1haW4tMjYwOTE4MDIwNyBTYWx0ZWRfX2nZDx7+3kHhl AdY08J8uh6JdKwGPOQ9IWEIZUJAcE+wregdc9dXhdqSEv7iJRxq1quVmW5ODWCUN4owITjMjikd GhGZdBp8RGGySI54+NoeOAO9YU1UsmynYqU/F2bsvXeCEc6jhp4KRjcIv1+snJj7e+d45ySC+1O ZtWbRelj0IN1UHzifH2OCr/bxMW/DdkeDew+xMAJZjnHTvsCAED29xyCv1610zV+Qqa0OKP7rwj aWiSRIb/reWLGXdqp+BTxGMkPb3cTPPKds/s37f9g+Ep7uQlUWRZzUKqZtkS3yYNnWEjiAEBk6B E/n8UaBnapfUCxyzNNoS8njsrhlIIjhxxzhNXUjwIUOYFcSmGI2FfCKhJRwL/gcU0cjREouV75r O93jMm/i2v8xiGaQ/MBlClzItHAhbQ7ZBttGXwa61KXHsUlTYs7Z/3yoHkB1c7Lhah41JuaTo24 MaGvZdXyJfisKJFUmqw== X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.293,Aquarius:18.0.1176,Hydra:6.1.134,FMLib:17.12.100.49 definitions=2026-09-18_04,2026-09-16_02,2025-10-01_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 malwarescore=0 lowpriorityscore=0 clxscore=1011 priorityscore=1501 suspectscore=0 bulkscore=0 impostorscore=0 phishscore=0 spamscore=0 adultscore=0 classifier=typeunknown authscore=0 authtc= authcc= route=outbound adjust=0 reason=mlx scancount=1 engine=8.22.0-2609040000 definitions=main-2609180207 Device attributes to enable/disable the AP interpretive execution support for crypto were added to KVM several years ago, but they weren't added to the documentation itself. Fixes: 37940fb0b6a2 ("KVM: s390: device attrs to enable/disable AP interp= retation") Signed-off-by: Eric Farman --- Documentation/virt/kvm/devices/vm.rst | 18 ++++++++++++++++++ 1 file changed, 18 insertions(+) diff --git a/Documentation/virt/kvm/devices/vm.rst b/Documentation/virt/k= vm/devices/vm.rst index a4d39fa1b083..78e63eb9994e 100644 --- a/Documentation/virt/kvm/devices/vm.rst +++ b/Documentation/virt/kvm/devices/vm.rst @@ -280,6 +280,24 @@ Allows user space to disable dea key wrapping, clear= ing the wrapping key. :Parameters: none :Returns: 0 =20 +4.5. ATTRIBUTE: KVM_S390_VM_CRYPTO_ENABLE_APIE (w/o) +------------------------------------------------------- + +Allows user space to enable AP interpretive execution. + +:Parameters: none +:Returns: 0 for success + -EOPNOTSUPP if AP instructions not available for guest + +4.6. ATTRIBUTE: KVM_S390_VM_CRYPTO_DISABLE_APIE (w/o) +------------------------------------------------------- + +Allows user space to disable AP interpretive execution. + +:Parameters: none +:Returns: 0 for success + -EOPNOTSUPP if AP instructions not available for guest + 5. GROUP: KVM_S390_VM_MIGRATION =3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D= =3D=3D=3D=3D=3D=3D=3D =20 --=20 2.53.0