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Thu, 5 Mar 2026 22:41:54 +0000 (GMT) Received: from smtpav01.dal12v.mail.ibm.com (unknown [127.0.0.1]) by IMSVA (Postfix) with ESMTP id EB47D58058; Thu, 5 Mar 2026 22:41:52 +0000 (GMT) Received: from fedora-workstation.ibmuc.com (unknown [9.61.36.214]) by smtpav01.dal12v.mail.ibm.com (Postfix) with ESMTP; Thu, 5 Mar 2026 22:41:52 +0000 (GMT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=ibm.com; h=cc :content-transfer-encoding:date:from:in-reply-to:message-id :mime-version:references:subject:to; s=pp1; bh=187g8xBrS5TMW3MvN UYirVv4uVD10hfDJCnQx3OvLY4=; b=PLXQMcH2lvrX2yhc32cNIFQZtHxQgDqsv 4Bv2mQ8RGoiMpCdQcqC7U2TET7MondrvN4UUujGkRd+NbN1mk3h2+/jCfOHGvMa7 U32nyGEk5MMxOGpnpXHzdj0qWe012H9aOKP/GL5xeYI6BuY9rdabmT9omZFYg5p2 FQyKPBRAfqLFDxoVjzYc2VTQou2ZQ1IrTYzLpP+g4f3LdQHaXU2kxIUDJOTD51ww 9pbzf9ht4TR+vfQsnAw/RGqdG8hGBRGsxKb4BSvud+PtiqIawWoFfq8cuRUHajos 0R4hB159QIMcknraEpK/C4LF72uKIBenMpTnEMSllwAie6P8SjwjA== From: Zhuoying Cai To: thuth@redhat.com, berrange@redhat.com, jrossi@linux.ibm.com, qemu-s390x@nongnu.org, qemu-devel@nongnu.org Cc: richard.henderson@linaro.org, pierrick.bouvier@linaro.org, david@kernel.org, walling@linux.ibm.com, jjherne@linux.ibm.com, pasic@linux.ibm.com, borntraeger@linux.ibm.com, farman@linux.ibm.com, mjrosato@linux.ibm.com, iii@linux.ibm.com, eblake@redhat.com, armbru@redhat.com, zycai@linux.ibm.com, alifm@linux.ibm.com, brueckner@linux.ibm.com, jdaley@linux.ibm.com Subject: [PATCH v9 01/30] Add boot-certs to s390-ccw-virtio machine type option Date: Thu, 5 Mar 2026 17:41:16 -0500 Message-ID: <20260305224146.664053-2-zycai@linux.ibm.com> X-Mailer: git-send-email 2.53.0 In-Reply-To: <20260305224146.664053-1-zycai@linux.ibm.com> References: <20260305224146.664053-1-zycai@linux.ibm.com> MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable X-TM-AS-GCONF: 00 X-Proofpoint-ORIG-GUID: u2yt7FpHuQC1VmJvE4c-9lW9V8SOclUZ X-Proofpoint-Spam-Details-Enc: AW1haW4tMjYwMzA1MDE5NCBTYWx0ZWRfX5Rdr9wkbrUUU yZBweGYFXNx9vQ4yUU6TJ04o+VRmVc9UmnwNu+hcVhcX1X+qYxKDM8wujdE2/OVOTKxYeHruUxe lVoae5BMD6D4Pb0Etaskp8vGRGxA8T7QGuerRI7z9LHLeQF4cBhpU58tb6z0vspfH1VJh4/qmYk XQAa8GkXHPoDthmC4n5mhNgAUrVySZzgbxuyENi7YsiGVo7kgg+DusOKdC0MwbCaWi4wkTa5hj7 ciObEgLO7zTSkM+V000y4KSpiQbHJSpbq2/JfzAHOS2/8b+jq5UQW9DLC1BXs3WZ6jb4Mx4Q07G g/MSHN319QyD+tQ6KjwhEwXngyAGM+jB2dAMd6HBcUB6jI9br/rc1mB6tJHzL+ewAPRtQGKpMlJ No56zwAah0U+yo6+KpkQVOROvFsYWkQxJLoSIWvG41zHv7RCYqZlPUu75JdtnLPSMzXOboidbsM BOWC66/CYDc+vR4HEDw== X-Authority-Analysis: v=2.4 cv=csCWUl4i c=1 sm=1 tr=0 ts=69aa06b4 cx=c_pps a=3Bg1Hr4SwmMryq2xdFQyZA==:117 a=3Bg1Hr4SwmMryq2xdFQyZA==:17 a=Yq5XynenixoA:10 a=VkNPw1HP01LnGYTKEx00:22 a=RnoormkPH1_aCDwRdu11:22 a=Y2IxJ9c9Rs8Kov3niI8_:22 a=VnNF1IyMAAAA:8 a=20KFwNOVAAAA:8 a=pOjPfhpiL-oY2_FcObYA:9 X-Proofpoint-GUID: u2yt7FpHuQC1VmJvE4c-9lW9V8SOclUZ X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.293,Aquarius:18.0.1143,Hydra:6.1.51,FMLib:17.12.100.49 definitions=2026-03-05_06,2026-03-04_01,2025-10-01_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 impostorscore=0 priorityscore=1501 suspectscore=0 malwarescore=0 adultscore=0 clxscore=1011 bulkscore=0 phishscore=0 spamscore=0 lowpriorityscore=0 classifier=typeunknown authscore=0 authtc= authcc= route=outbound adjust=0 reason=mlx scancount=1 engine=8.22.0-2602130000 definitions=main-2603050194 Received-SPF: pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) client-ip=209.51.188.17; envelope-from=qemu-devel-bounces+importer=patchew.org@nongnu.org; helo=lists.gnu.org; Received-SPF: pass client-ip=148.163.158.5; envelope-from=zycai@linux.ibm.com; helo=mx0b-001b2d01.pphosted.com X-Spam_score_int: -11 X-Spam_score: -1.2 X-Spam_bar: - X-Spam_report: (-1.2 / 5.0 requ) BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_EF=-0.1, RCVD_IN_DNSWL_LOW=-0.7, RCVD_IN_MSPIKE_H4=0.001, RCVD_IN_MSPIKE_WL=0.001, RCVD_IN_VALIDITY_RPBL_BLOCKED=0.892, RCVD_IN_VALIDITY_SAFE_BLOCKED=0.622, SPF_HELO_NONE=0.001, SPF_PASS=-0.001 autolearn=no autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: qemu development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: qemu-devel-bounces+importer=patchew.org@nongnu.org Sender: qemu-devel-bounces+importer=patchew.org@nongnu.org X-ZohoMail-DKIM: pass (identity @ibm.com) X-ZM-MESSAGEID: 1772750786092154100 Content-Type: text/plain; charset="utf-8" Introduce a new `boot-certs` machine type option for the s390-ccw-virtio machine. This allows users to specify one or more certificate file paths or directories to be used during secure boot. Each entry is specified using the syntax: boot-certs..path=3D/path/to/cert.pem Multiple paths can be specify using array properties: boot-certs.0.path=3D/path/to/cert.pem, boot-certs.1.path=3D/path/to/cert-dir, boot-certs.2.path=3D/path/to/another-dir... Signed-off-by: Zhuoying Cai Acked-by: Markus Armbruster --- docs/system/s390x/secure-ipl.rst | 20 ++++++++++++++++++++ docs/system/target-s390x.rst | 1 + hw/s390x/s390-virtio-ccw.c | 30 ++++++++++++++++++++++++++++++ include/hw/s390x/s390-virtio-ccw.h | 2 ++ qapi/machine-s390x.json | 23 +++++++++++++++++++++++ qapi/pragma.json | 1 + qemu-options.hx | 6 +++++- 7 files changed, 82 insertions(+), 1 deletion(-) create mode 100644 docs/system/s390x/secure-ipl.rst diff --git a/docs/system/s390x/secure-ipl.rst b/docs/system/s390x/secure-ip= l.rst new file mode 100644 index 0000000000..0a02f171b4 --- /dev/null +++ b/docs/system/s390x/secure-ipl.rst @@ -0,0 +1,20 @@ +.. SPDX-License-Identifier: GPL-2.0-or-later + +Secure IPL Command Line Options +=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 + +The s390-ccw-virtio machine type supports secure IPL. These parameters all= ow +users to provide certificates and enable secure IPL directly via the comma= nd +line. + +Providing Certificates +---------------------- + +The certificate store can be populated by supplying a list of X.509 certif= icate +file paths or directories containing certificate files on the command-line: + +Note: certificate files must have a .pem extension. + +.. code-block:: shell + + qemu-system-s390x -machine s390-ccw-virtio,boot-certs.0.path=3D/.../qe= mu/certs,boot-certs.1.path=3D/another/path/cert.pem ... diff --git a/docs/system/target-s390x.rst b/docs/system/target-s390x.rst index 94c981e732..8938a13d10 100644 --- a/docs/system/target-s390x.rst +++ b/docs/system/target-s390x.rst @@ -35,3 +35,4 @@ Architectural features s390x/bootdevices s390x/protvirt s390x/cpu-topology + s390x/secure-ipl diff --git a/hw/s390x/s390-virtio-ccw.c b/hw/s390x/s390-virtio-ccw.c index 3ef009463d..a6f0fc4e00 100644 --- a/hw/s390x/s390-virtio-ccw.c +++ b/hw/s390x/s390-virtio-ccw.c @@ -44,6 +44,7 @@ #include "target/s390x/kvm/pv.h" #include "migration/blocker.h" #include "qapi/visitor.h" +#include "qapi/qapi-visit-machine-s390x.h" #include "hw/s390x/cpu-topology.h" #include "kvm/kvm_s390x.h" #include "hw/virtio/virtio-md-pci.h" @@ -788,6 +789,30 @@ static void machine_set_loadparm(Object *obj, Visitor = *v, g_free(val); } =20 +static void machine_get_boot_certs(Object *obj, Visitor *v, + const char *name, void *opaque, + Error **errp) +{ + S390CcwMachineState *ms =3D S390_CCW_MACHINE(obj); + BootCertificatesList **certs =3D &ms->boot_certs; + + visit_type_BootCertificatesList(v, name, certs, errp); +} + +static void machine_set_boot_certs(Object *obj, Visitor *v, const char *na= me, + void *opaque, Error **errp) +{ + S390CcwMachineState *ms =3D S390_CCW_MACHINE(obj); + BootCertificatesList *cert_list =3D NULL; + + visit_type_BootCertificatesList(v, name, &cert_list, errp); + if (!cert_list) { + return; + } + + ms->boot_certs =3D cert_list; +} + static void ccw_machine_class_init(ObjectClass *oc, const void *data) { MachineClass *mc =3D MACHINE_CLASS(oc); @@ -841,6 +866,11 @@ static void ccw_machine_class_init(ObjectClass *oc, co= nst void *data) "Up to 8 chars in set of [A-Za-z0-9. ] (lower case chars conve= rted" " to upper case) to pass to machine loader, boot manager," " and guest kernel"); + + object_class_property_add(oc, "boot-certs", "BootCertificatesList", + machine_get_boot_certs, machine_set_boot_cer= ts, NULL, NULL); + object_class_property_set_description(oc, "boot-certs", + "provide paths to a directory and/or a certificate file for se= cure boot"); } =20 static inline void s390_machine_initfn(Object *obj) diff --git a/include/hw/s390x/s390-virtio-ccw.h b/include/hw/s390x/s390-vir= tio-ccw.h index f1f06119d6..5ad1ea2f24 100644 --- a/include/hw/s390x/s390-virtio-ccw.h +++ b/include/hw/s390x/s390-virtio-ccw.h @@ -14,6 +14,7 @@ #include "hw/core/boards.h" #include "qom/object.h" #include "hw/s390x/sclp.h" +#include "qapi/qapi-types-machine-s390x.h" =20 #define TYPE_S390_CCW_MACHINE "s390-ccw-machine" =20 @@ -31,6 +32,7 @@ struct S390CcwMachineState { uint8_t loadparm[8]; uint64_t memory_limit; uint64_t max_pagesize; + BootCertificatesList *boot_certs; =20 SCLPDevice *sclp; }; diff --git a/qapi/machine-s390x.json b/qapi/machine-s390x.json index ea430e1b88..53936c2554 100644 --- a/qapi/machine-s390x.json +++ b/qapi/machine-s390x.json @@ -140,3 +140,26 @@ { 'event': 'SCLP_CPI_INFO_AVAILABLE', 'features': [ 'unstable' ] } + +## +# @BootCertificates: +# +# Boot certificates for secure IPL. +# +# @path: path to an X.509 certificate file or a directory containing +# certificate files. +# +# Since: 11.0 +## +{ 'struct': 'BootCertificates', + 'data': {'path': 'str'} } + +## +# @DummyBootCertificates: +# +# Not used by QMP; hack to let us use BootCertificatesList internally. +# +# Since: 11.0 +## +{ 'struct': 'DummyBootCertificates', + 'data': {'unused-boot-certs': ['BootCertificates'] } } diff --git a/qapi/pragma.json b/qapi/pragma.json index 193bc39059..aad270402f 100644 --- a/qapi/pragma.json +++ b/qapi/pragma.json @@ -49,6 +49,7 @@ 'DisplayProtocol', 'DriveBackupWrapper', 'DummyBlockCoreForceArrays', + 'DummyBootCertificates', 'DummyForceArrays', 'DummyVirtioForceArrays', 'HotKeyMod', diff --git a/qemu-options.hx b/qemu-options.hx index 0da2b4d034..8873083792 100644 --- a/qemu-options.hx +++ b/qemu-options.hx @@ -45,7 +45,8 @@ DEF("machine", HAS_ARG, QEMU_OPTION_machine, \ " memory-backend=3D'backend-id' specifies explicitly pr= ovided backend for main RAM (default=3Dnone)\n" " cxl-fmw.0.targets.0=3Dfirsttarget,cxl-fmw.0.targets.1= =3Dsecondtarget,cxl-fmw.0.size=3Dsize[,cxl-fmw.0.interleave-granularity=3Dg= ranularity]\n" " sgx-epc.0.memdev=3Dmemid,sgx-epc.0.node=3Dnumaid\n" - " smp-cache.0.cache=3Dcachename,smp-cache.0.topology=3D= topologylevel\n", + " smp-cache.0.cache=3Dcachename,smp-cache.0.topology=3D= topologylevel\n" + " boot-certs.0.path=3D/path/directory,boot-certs.1.path= =3D/path/file provides paths to a directory and/or a certificate file\n", QEMU_ARCH_ALL) SRST ``-machine [type=3D]name[,prop=3Dvalue[,...]]`` @@ -209,6 +210,9 @@ SRST :: =20 -machine smp-cache.0.cache=3Dl1d,smp-cache.0.topology=3Dcore,s= mp-cache.1.cache=3Dl1i,smp-cache.1.topology=3Dcore + + ``boot-certs.0.path=3D/path/directory,boot-certs.1.path=3D/path/file`` + Provide paths to a directory and/or a certificate file on the host= [s390x only]. ERST =20 DEF("M", HAS_ARG, QEMU_OPTION_M, --=20 2.53.0