From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mx0b-001b2d01.pphosted.com (mx0b-001b2d01.pphosted.com [148.163.158.5]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 9D30E2D7397; Tue, 17 Feb 2026 09:02:48 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=148.163.158.5 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1771318969; cv=none; b=HDas4uVLrPGHmVSjYqQhvm8VnT67hfHKyZKDqRSEYCef2wNXIxkFk5eU57gqSKlWqozYPjKVA2+7jmLePOd6wbZLrwqWLMFWkwK0WYo0M7jKuHHuwDiuLA6Qef720xgfc8NLoPCAKFxEZn9UIrUoUjykcvZNckZkuwQznspVRWo= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1771318969; c=relaxed/simple; bh=qiVeohC0yLT25HLMgWbzmgwVcAtjmDj7vlR+jozHZn0=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=FXrv0A+AKCOm8sAoli/dkeqbnulH6rO6K1sbgMZH9dXaYpUNdZ4sGdl1GzgjqJINhXpcPoVDs18Zu3Sccn2zYWYr12VvUvkayFve9kzsorTapJeEAlGsJme3OsGg2fCcD5stoz7191fvsGkwedHlkR+CfrfZX1OPIYwvYcCZHl8= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=linux.ibm.com; spf=pass smtp.mailfrom=linux.ibm.com; dkim=pass (2048-bit key) header.d=ibm.com header.i=@ibm.com header.b=Dkdd1tFm; arc=none smtp.client-ip=148.163.158.5 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=linux.ibm.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=linux.ibm.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=ibm.com header.i=@ibm.com header.b="Dkdd1tFm" Received: from pps.filterd (m0360072.ppops.net [127.0.0.1]) by mx0a-001b2d01.pphosted.com (8.18.1.11/8.18.1.11) with ESMTP id 61GGdtMx3855186; Tue, 17 Feb 2026 09:02:47 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=fhP7thMkX1mRywxXa M3698nxv/sPPhTh1r+J2jZvVBA=; b=Dkdd1tFmzzfcdPYDxRocxsj+gf3A3nFrS dcb6+g01QAgvghIpOGsbvxIM5D+JGLM6Gl4p19KAPTsyUz9inNUP50ns9QdTp5wj xn38gmhZ7zzW/Gss2EMEPvGdcL4rIG4i0bzVvMqlIgua344ATp42MSv4P4mqwsqz 2sMMbqk9HuocPHRawkhWcPT9P23jm0ogamDOzijxLzBV5wjVKR/y83SYP5VnhzjW lAU+d4G6kKXnRAcFavFXrzOhFN7mSLWPKKXfIacGGfR2kfe7YqNp0cMh35Dzegw+ CgBn6Xpz4htDDDBCMBenT+27wL9cnUVr1T2m5C0TzQKKGrs9ufXAg== Received: from ppma22.wdc07v.mail.ibm.com (5c.69.3da9.ip4.static.sl-reverse.com [169.61.105.92]) by mx0a-001b2d01.pphosted.com (PPS) with ESMTPS id 4cajcjadp5-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Tue, 17 Feb 2026 09:02:47 +0000 (GMT) Received: from pps.filterd (ppma22.wdc07v.mail.ibm.com [127.0.0.1]) by ppma22.wdc07v.mail.ibm.com (8.18.1.2/8.18.1.2) with ESMTP id 61H8npuX015679; Tue, 17 Feb 2026 09:02:47 GMT Received: from smtprelay06.fra02v.mail.ibm.com ([9.218.2.230]) by ppma22.wdc07v.mail.ibm.com (PPS) with ESMTPS id 4ccb451skv-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Tue, 17 Feb 2026 09:02:46 +0000 Received: from smtpav05.fra02v.mail.ibm.com (smtpav05.fra02v.mail.ibm.com [10.20.54.104]) by smtprelay06.fra02v.mail.ibm.com (8.14.9/8.14.9/NCO v10.0) with ESMTP id 61H92gvh28836138 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-GCM-SHA384 bits=256 verify=OK); Tue, 17 Feb 2026 09:02:43 GMT Received: from smtpav05.fra02v.mail.ibm.com (unknown [127.0.0.1]) by IMSVA (Postfix) with ESMTP id DF4652004E; Tue, 17 Feb 2026 09:02:42 +0000 (GMT) Received: from smtpav05.fra02v.mail.ibm.com (unknown [127.0.0.1]) by IMSVA (Postfix) with ESMTP id AB79E2004B; Tue, 17 Feb 2026 09:02:42 +0000 (GMT) Received: from b46lp25.lnxne.boe (unknown [9.87.84.240]) by smtpav05.fra02v.mail.ibm.com (Postfix) with ESMTP; Tue, 17 Feb 2026 09:02:42 +0000 (GMT) From: Janosch Frank To: kvm@vger.kernel.org Cc: linux-s390@vger.kernel.org, imbrenda@linux.ibm.com, borntraeger@linux.ibm.com, freimuth@linux.ibm.com, mjrosato@linux.ibm.com Subject: [PATCH 2/2] KVM: s390: selftests: Add IRQ routing address offset tests Date: Tue, 17 Feb 2026 09:54:23 +0100 Message-ID: <20260217090230.8116-3-frankja@linux.ibm.com> X-Mailer: git-send-email 2.53.0 In-Reply-To: <20260217090230.8116-1-frankja@linux.ibm.com> References: <20260217090230.8116-1-frankja@linux.ibm.com> Precedence: bulk X-Mailing-List: linux-s390@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-TM-AS-GCONF: 00 X-Proofpoint-ORIG-GUID: DEZF3-oerF-BMekCez1xox1biYc5uPLM X-Authority-Analysis: v=2.4 cv=Md9hep/f c=1 sm=1 tr=0 ts=69942eb7 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=nmqUFfGTdH_2drHDQF0A:9 X-Proofpoint-Spam-Details-Enc: AW1haW4tMjYwMjE3MDA3MSBTYWx0ZWRfXwJyIjh72+1RD II0FqBIA/W7nmNXGviKJFGIfC8cLrFgRzJ14n2cEu2RZocLLXtaxWrFX9zNETT3h9Ac7t6n80ZV bvKFYFz7PLN+E1kGlYToCxtFRPzsyRn3m13BJVm8dbqCcU+IF4Sfu45IDl2tq9KVbHhvdFB7uEk DeVNLGeLzpURa2/eiGbesWJWCAvTPSn1mKxHiWzdS6nQmxX6ibxNeR3IipUAAY5Sji9OoUj9n8c k4ztK/QYh4ByFqBLTr64eW72jyokY8AVOSThU/OQK02Po18xCE0TrbhcuzMVdd3QbrNzP+GPFab qXYLIpNuHBRXuLURA3ccdKaXtCwNj8jEhXLy36zc0JvgSHc/6+hPbXcgz1YrYyHVGTnj7RypdHu 4igoKrlIiFfk2DcsBrMgkzIRuABzLtg6Q9Gfbx+ht3EjBRNiOBfvXTGZuQmQXw3Me8xyO/4rsy4 b4f9lEATBjeJR0uL7tg== X-Proofpoint-GUID: DEZF3-oerF-BMekCez1xox1biYc5uPLM 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=2026-02-17_01,2026-02-16_04,2025-10-01_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 clxscore=1015 impostorscore=0 lowpriorityscore=0 spamscore=0 adultscore=0 priorityscore=1501 suspectscore=0 malwarescore=0 phishscore=0 bulkscore=0 classifier=typeunknown authscore=0 authtc= authcc= route=outbound adjust=0 reason=mlx scancount=1 engine=8.22.0-2601150000 definitions=main-2602170071 This test tries to setup routes which have address + offset combinations which cross a page. Signed-off-by: Janosch Frank --- tools/testing/selftests/kvm/Makefile.kvm | 1 + .../testing/selftests/kvm/s390/irq_routing.c | 75 +++++++++++++++++++ 2 files changed, 76 insertions(+) create mode 100644 tools/testing/selftests/kvm/s390/irq_routing.c diff --git a/tools/testing/selftests/kvm/Makefile.kvm b/tools/testing/selftests/kvm/Makefile.kvm index 7cfdfe7edfbf..c757704a0cb7 100644 --- a/tools/testing/selftests/kvm/Makefile.kvm +++ b/tools/testing/selftests/kvm/Makefile.kvm @@ -201,6 +201,7 @@ TEST_GEN_PROGS_s390 += s390/ucontrol_test TEST_GEN_PROGS_s390 += s390/user_operexec TEST_GEN_PROGS_s390 += s390/keyop TEST_GEN_PROGS_s390 += rseq_test +TEST_GEN_PROGS_s390 += s390/irq_routing TEST_GEN_PROGS_riscv = $(TEST_GEN_PROGS_COMMON) TEST_GEN_PROGS_riscv += riscv/sbi_pmu_test diff --git a/tools/testing/selftests/kvm/s390/irq_routing.c b/tools/testing/selftests/kvm/s390/irq_routing.c new file mode 100644 index 000000000000..4d9b5df2e456 --- /dev/null +++ b/tools/testing/selftests/kvm/s390/irq_routing.c @@ -0,0 +1,75 @@ +// SPDX-License-Identifier: GPL-2.0-only +/* + * IRQ routing offset tests. + * + * Copyright IBM Corp. 2026 + * + * Authors: + * Janosch Frank + */ +#include +#include +#include +#include + +#include "test_util.h" +#include "kvm_util.h" +#include "kselftest.h" +#include "ucall_common.h" + +extern char guest_code[]; +asm("guest_code:\n" + "diag %r0,%r0,0\n" + "j .\n"); + +static void test(void) +{ + struct kvm_irq_routing *routing; + struct kvm_vcpu *vcpu; + struct kvm_vm *vm; + vm_paddr_t mem; + int ret; + + struct kvm_irq_routing_entry ue = { + .type = KVM_IRQ_ROUTING_S390_ADAPTER, + .gsi = 1, + }; + + vm = vm_create_with_one_vcpu(&vcpu, guest_code); + mem = vm_phy_pages_alloc(vm, 2, 4096 * 42, 0); + + routing = kvm_gsi_routing_create(); + routing->nr = 1; + routing->entries[0] = ue; + routing->entries[0].u.adapter.summary_addr = (uintptr_t)mem; + routing->entries[0].u.adapter.ind_addr = (uintptr_t)mem; + + routing->entries[0].u.adapter.summary_offset = 4096 * 8; + ret = __vm_ioctl(vm, KVM_SET_GSI_ROUTING, routing); + ksft_test_result(ret == -1 && errno == EINVAL, "summary offset outside of page\n"); + + routing->entries[0].u.adapter.summary_offset -= 8; + ret = __vm_ioctl(vm, KVM_SET_GSI_ROUTING, routing); + ksft_test_result(ret == 0, "summary offset inside of page\n"); + + routing->entries[0].u.adapter.ind_offset = 4096 * 8; + ret = __vm_ioctl(vm, KVM_SET_GSI_ROUTING, routing); + ksft_test_result(ret == -1 && errno == EINVAL, "ind offset outside of page\n"); + + routing->entries[0].u.adapter.ind_offset -= 8; + ret = __vm_ioctl(vm, KVM_SET_GSI_ROUTING, routing); + ksft_test_result(ret == 0, "ind offset inside of page\n"); + + kvm_vm_free(vm); +} + +int main(int argc, char *argv[]) +{ + TEST_REQUIRE(kvm_has_cap(KVM_CAP_IRQ_ROUTING)); + + ksft_print_header(); + ksft_set_plan(4); + test(); + + ksft_finished(); /* Print results and exit() accordingly */ +} -- 2.53.0