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Thu, 12 Feb 2026 20:44:47 +0000 (GMT) Received: from smtpav06.wdc07v.mail.ibm.com (unknown [127.0.0.1]) by IMSVA (Postfix) with ESMTP id 781A558054; Thu, 12 Feb 2026 20:44:45 +0000 (GMT) Received: from fedora-workstation.ibmuc.com (unknown [9.61.112.15]) by smtpav06.wdc07v.mail.ibm.com (Postfix) with ESMTP; Thu, 12 Feb 2026 20:44:45 +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=Z/LGfoa/+fbijnXTm CMKnmUCHItASK3S1hFibsQYlRc=; b=e0+5EP1i4U2kCvgYO8uP4Op1CzmxSAOv4 Ek2YZWZ0MIDu+Ma8sUyuGxavxq1yEhxt9eTYekZnUEbDwX+AfRZEKNEejrp5PHU/ l+qEb3CdbsJzezYuQ+XqFTLfRO9iDEn3alUQhYf7nGy/QKfroJmFR/aEzYmcgsnc KijrmzCu7K4/Ed1Umn0PwaoHN8360FkF2lmq0JlielDfnQO8HfAHa5JFTOD/D58M HzXo0mM3QI+6VEuY03VzSz/1Yu1AN1LCk+GopmPLD+Ph0Z4rE6DG/FPVfPlJ1WXA PmuNur8vLNaWAY953xd+0lrAA9xOUwvYrA6TBeXOo1shPl2Tla0uQ== From: Zhuoying Cai To: thuth@redhat.com, berrange@redhat.com, richard.henderson@linaro.org, jrossi@linux.ibm.com, qemu-s390x@nongnu.org, qemu-devel@nongnu.org Cc: 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 Subject: [PATCH v8 27/30] hw/s390x/ipl: Handle secure boot without specifying a boot device Date: Thu, 12 Feb 2026 15:43:48 -0500 Message-ID: <20260212204352.1044699-28-zycai@linux.ibm.com> X-Mailer: git-send-email 2.52.0 In-Reply-To: <20260212204352.1044699-1-zycai@linux.ibm.com> References: <20260212204352.1044699-1-zycai@linux.ibm.com> MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable X-TM-AS-GCONF: 00 X-Authority-Analysis: v=2.4 cv=YZiwJgRf c=1 sm=1 tr=0 ts=698e3bc2 cx=c_pps a=5BHTudwdYE3Te8bg5FgnPg==:117 a=5BHTudwdYE3Te8bg5FgnPg==:17 a=HzLeVaNsDn8A:10 a=VkNPw1HP01LnGYTKEx00:22 a=Mpw57Om8IfrbqaoTuvik:22 a=GgsMoib0sEa3-_RKJdDe:22 a=VnNF1IyMAAAA:8 a=20KFwNOVAAAA:8 a=98YBU2wH__9RKlX8yukA:9 X-Proofpoint-ORIG-GUID: oXwb4hg2wGj4C_JSnsuR81YMMfVACBZO X-Proofpoint-Spam-Details-Enc: AW1haW4tMjYwMjEyMDE1NyBTYWx0ZWRfX9W+2qPmJdoDw 4hF05Da9RZBeynapHO2JVJsSb2as9lxOTsu2FuyQ7z8cJxzW8sHe4bm9hOP9iP1+4cya12+2RfS h4Ay1waDxP0OhZs+CCB1H8+if02hjvQ0KNA0fpvk9yy2SQu9Y3/LMiMRWoaUL4IpnQKgYaLO9HI 3nmn7Huro8XE1YtZTFG1KOyQn+Grnntkv2ZpN1TmwvGl69ZvrGUA9s2n22tkMm2EhD7CajATgia TxPxxXlWX4tRDhOWhpYcmCJvIOUz7746Taf8LaJIaHResqJWIEIIlJPTXkTmPj8UFjUyaqjT64b WXvi3E3ahUcIa1Zvg6DVn3JXyJviH0p2ObXdsbtiI2H3Ah2y9nHGVw7EsEAZ88buMJN6pHHdf5J oD4fPGEuC5u8sxesSbPUiSu9Ymm7tMlQ1hLGkfVVmZ10pRWYnbY1/g/2JMSVUkKXxxlTUKJP3ON hxi7kAhy1azr8dmCyTA== X-Proofpoint-GUID: oXwb4hg2wGj4C_JSnsuR81YMMfVACBZO X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.293,Aquarius:18.0.1121,Hydra:6.1.51,FMLib:17.12.100.49 definitions=2026-02-12_05,2026-02-12_03,2025-10-01_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 priorityscore=1501 spamscore=0 impostorscore=0 suspectscore=0 malwarescore=0 phishscore=0 bulkscore=0 adultscore=0 clxscore=1015 lowpriorityscore=0 classifier=typeunknown authscore=0 authtc= authcc= route=outbound adjust=0 reason=mlx scancount=1 engine=8.22.0-2601150000 definitions=main-2602120157 Received-SPF: pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) client-ip=209.51.188.17; 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charset="utf-8" If secure boot in audit mode or True Secure IPL mode is enabled without specifying a boot device, the boot process will terminate with an error. Signed-off-by: Zhuoying Cai Reviewed-by: Thomas Huth --- hw/s390x/ipl.c | 10 ++++++++++ 1 file changed, 10 insertions(+) diff --git a/hw/s390x/ipl.c b/hw/s390x/ipl.c index e46e655ef1..00ddfcf858 100644 --- a/hw/s390x/ipl.c +++ b/hw/s390x/ipl.c @@ -799,6 +799,16 @@ void s390_ipl_prepare_cpu(S390CPU *cpu) cpu->env.psw.addr =3D ipl->bios_start_addr; if (!ipl->iplb_valid) { ipl->iplb_valid =3D s390_init_all_iplbs(ipl); + + /* + * Secure IPL without specifying a boot device. + * IPLB is not generated if no boot device is defined. + */ + if ((s390_has_certificate() || s390_secure_boot_enabled()) && + !ipl->iplb_valid) { + error_report("No boot device defined for Secure IPL"); + exit(1); + } } else { ipl->qipl.chain_len =3D 0; } --=20 2.52.0