{"id":2219376,"url":"http://patchwork.ozlabs.org/api/1.0/patches/2219376/?format=json","project":{"id":14,"url":"http://patchwork.ozlabs.org/api/1.0/projects/14/?format=json","name":"QEMU Development","link_name":"qemu-devel","list_id":"qemu-devel.nongnu.org","list_email":"qemu-devel@nongnu.org","web_url":"","scm_url":"","webscm_url":""},"msgid":"<20260402221453.1602899-24-zycai@linux.ibm.com>","date":"2026-04-02T22:14:45","name":"[v10,23/30] Add secure-boot to s390-ccw-virtio machine type option","commit_ref":null,"pull_url":null,"state":"new","archived":false,"hash":"1c12f47f75d5b4a0498ccbf06ca37dc23474d6a8","submitter":{"id":90643,"url":"http://patchwork.ozlabs.org/api/1.0/people/90643/?format=json","name":"Zhuoying Cai","email":"zycai@linux.ibm.com"},"delegate":null,"mbox":"http://patchwork.ozlabs.org/project/qemu-devel/patch/20260402221453.1602899-24-zycai@linux.ibm.com/mbox/","series":[{"id":498557,"url":"http://patchwork.ozlabs.org/api/1.0/series/498557/?format=json","date":"2026-04-02T22:14:35","name":"Secure IPL Support for SCSI Scheme of virtio-blk/virtio-scsi Devices","version":10,"mbox":"http://patchwork.ozlabs.org/series/498557/mbox/"}],"check":"pending","checks":"http://patchwork.ozlabs.org/api/patches/2219376/checks/","tags":{},"headers":{"Return-Path":"","X-Original-To":"incoming@patchwork.ozlabs.org","Delivered-To":"patchwork-incoming@legolas.ozlabs.org","Authentication-Results":["legolas.ozlabs.org;\n\tdkim=pass (2048-bit key;\n unprotected) header.d=ibm.com header.i=@ibm.com header.a=rsa-sha256\n header.s=pp1 header.b=CkBhBVS7;\n\tdkim-atps=neutral","legolas.ozlabs.org;\n spf=pass (sender SPF authorized) smtp.mailfrom=nongnu.org\n (client-ip=209.51.188.17; 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envelope-from=zycai@linux.ibm.com;\n helo=mx0a-001b2d01.pphosted.com","X-Spam_score_int":"-26","X-Spam_score":"-2.7","X-Spam_bar":"--","X-Spam_report":"(-2.7 / 5.0 requ) BAYES_00=-1.9, DKIM_SIGNED=0.1,\n DKIM_VALID=-0.1, DKIM_VALID_EF=-0.1, RCVD_IN_DNSWL_LOW=-0.7,\n RCVD_IN_MSPIKE_H4=0.001, RCVD_IN_MSPIKE_WL=0.001,\n RCVD_IN_VALIDITY_CERTIFIED_BLOCKED=0.001,\n RCVD_IN_VALIDITY_RPBL_BLOCKED=0.001,\n 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":"qemu development ","List-Unsubscribe":",\n ","List-Archive":"","List-Post":"","List-Help":"","List-Subscribe":",\n ","Errors-To":"qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org","Sender":"qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org"},"content":"Add secure-boot as a parameter of s390-ccw-virtio machine type option.\n\nThe `secure-boot=on|off` parameter is implemented to enable secure IPL.\n\nBy default, secure-boot is set to false if not specified in\nthe command line.\n\nSigned-off-by: Zhuoying Cai \nReviewed-by: Thomas Huth \n---\n docs/system/s390x/secure-ipl.rst | 22 +++++++++++++++++-----\n hw/s390x/s390-virtio-ccw.c | 22 ++++++++++++++++++++++\n include/hw/s390x/s390-virtio-ccw.h | 1 +\n qemu-options.hx | 6 +++++-\n 4 files changed, 45 insertions(+), 6 deletions(-)","diff":"diff --git a/docs/system/s390x/secure-ipl.rst b/docs/system/s390x/secure-ipl.rst\nindex 3a19b72085..2465f8b26d 100644\n--- a/docs/system/s390x/secure-ipl.rst\n+++ b/docs/system/s390x/secure-ipl.rst\n@@ -19,19 +19,31 @@ Note: certificate files must have a .pem extension.\n \n qemu-system-s390x -machine s390-ccw-virtio,boot-certs.0.path=/.../qemu/certs,boot-certs.1.path=/another/path/cert.pem ...\n \n+Enabling Secure IPL\n+-------------------\n+\n+Secure IPL is enabled by explicitly setting ``secure-boot=on``; if not\n+specified, secure boot is considered off.\n+\n+.. code-block:: shell\n+\n+ qemu-system-s390x -machine s390-ccw-virtio,secure-boot=on|off\n+\n \n IPL Modes\n =========\n Multiple IPL modes are available to differentiate between the various IPL\n-configurations. These modes are mutually exclusive and enabled based on the\n-``boot-certs`` option on the QEMU command line.\n+configurations. These modes are mutually exclusive and enabled based on specific\n+combinations of the ``secure-boot`` and ``boot-certs`` options on the QEMU\n+command line.\n \n Normal Mode\n -----------\n \n-The absence of certificates will attempt to IPL a guest without secure IPL\n-operations. No checks are performed, and no warnings/errors are reported.\n-This is the default mode.\n+The absence of both certificates and the ``secure-boot`` option will attempt to\n+IPL a guest without secure IPL operations. No checks are performed, and no\n+warnings/errors are reported. This is the default mode, and can be explicitly\n+enabled with ``secure-boot=off``.\n \n Configuration:\n \ndiff --git a/hw/s390x/s390-virtio-ccw.c b/hw/s390x/s390-virtio-ccw.c\nindex a6f0fc4e00..a24cc14906 100644\n--- a/hw/s390x/s390-virtio-ccw.c\n+++ b/hw/s390x/s390-virtio-ccw.c\n@@ -813,6 +813,21 @@ static void machine_set_boot_certs(Object *obj, Visitor *v, const char *name,\n ms->boot_certs = cert_list;\n }\n \n+static inline bool machine_get_secure_boot(Object *obj, Error **errp)\n+{\n+ S390CcwMachineState *ms = S390_CCW_MACHINE(obj);\n+\n+ return ms->secure_boot;\n+}\n+\n+static inline void machine_set_secure_boot(Object *obj, bool value,\n+ Error **errp)\n+{\n+ S390CcwMachineState *ms = S390_CCW_MACHINE(obj);\n+\n+ ms->secure_boot = value;\n+}\n+\n static void ccw_machine_class_init(ObjectClass *oc, const void *data)\n {\n MachineClass *mc = MACHINE_CLASS(oc);\n@@ -871,6 +886,13 @@ static void ccw_machine_class_init(ObjectClass *oc, const void *data)\n machine_get_boot_certs, machine_set_boot_certs, NULL, NULL);\n object_class_property_set_description(oc, \"boot-certs\",\n \"provide paths to a directory and/or a certificate file for secure boot\");\n+\n+ object_class_property_add_bool(oc, \"secure-boot\",\n+ machine_get_secure_boot,\n+ machine_set_secure_boot);\n+ object_class_property_set_description(oc, \"secure-boot\",\n+ \"enable/disable secure boot\");\n+\n }\n \n static inline void s390_machine_initfn(Object *obj)\ndiff --git a/include/hw/s390x/s390-virtio-ccw.h b/include/hw/s390x/s390-virtio-ccw.h\nindex 5ad1ea2f24..93a4c0ccad 100644\n--- a/include/hw/s390x/s390-virtio-ccw.h\n+++ b/include/hw/s390x/s390-virtio-ccw.h\n@@ -29,6 +29,7 @@ struct S390CcwMachineState {\n bool aes_key_wrap;\n bool dea_key_wrap;\n bool pv;\n+ bool secure_boot;\n uint8_t loadparm[8];\n uint64_t memory_limit;\n uint64_t max_pagesize;\ndiff --git a/qemu-options.hx b/qemu-options.hx\nindex 75e6c0f025..e82d78fbb7 100644\n--- a/qemu-options.hx\n+++ b/qemu-options.hx\n@@ -46,7 +46,8 @@ DEF(\"machine\", HAS_ARG, QEMU_OPTION_machine, \\\n \" cxl-fmw.0.targets.0=firsttarget,cxl-fmw.0.targets.1=secondtarget,cxl-fmw.0.size=size[,cxl-fmw.0.interleave-granularity=granularity]\\n\"\n \" sgx-epc.0.memdev=memid,sgx-epc.0.node=numaid\\n\"\n \" smp-cache.0.cache=cachename,smp-cache.0.topology=topologylevel\\n\"\n- \" boot-certs.0.path=/path/directory,boot-certs.1.path=/path/file provides paths to a directory and/or a certificate file\\n\",\n+ \" boot-certs.0.path=/path/directory,boot-certs.1.path=/path/file provides paths to a directory and/or a certificate file\\n\"\n+ \" secure-boot=on|off enable/disable secure boot (default=off) \\n\",\n QEMU_ARCH_ALL)\n SRST\n ``-machine [type=]name[,prop=value[,...]]``\n@@ -213,6 +214,9 @@ SRST\n \n ``boot-certs.0.path=/path/directory,boot-certs.1.path=/path/file``\n Provide paths to a directory and/or a certificate file on the host [s390x only].\n+\n+ ``secure-boot=on|off``\n+ Enables or disables secure boot on s390-ccw guest. The default is off.\n ERST\n \n DEF(\"M\", HAS_ARG, QEMU_OPTION_M,\n","prefixes":["v10","23/30"]}