From patchwork Fri Aug 23 13:05:05 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Hariharan Mari X-Patchwork-Id: 821962 Received: from mx0a-001b2d01.pphosted.com (mx0a-001b2d01.pphosted.com [148.163.156.1]) (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 C7C3A186600; Fri, 23 Aug 2024 13:10:04 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=148.163.156.1 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1724418606; cv=none; b=R7iBCNFBcrxhCD3IwuXvl7YsTYN0xZlW4555LvGp3SEsmX1KM3OF5q/w54dcDAIkCbMEhT+cF0bXKu06UaDjcLfg2WgIaigAkdfkH2sB/G4vzyFKs8hkIyh6mnzY2A9Bl8ckdA84SSFm7tsFn+2NRhX/D4/NNaU3GFHIHTq9gtA= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1724418606; c=relaxed/simple; bh=3SySZNlK9VlAXg756Q80hrkQ+VsKOVx004ue7lZwNzk=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=SaipPjyDXwqTrqyKwsC0FJgVeS3QkBXpHORmmT+wy5kXafu2rW7a2B9e8ibNnuOmGoRkGR41g3HOUcruV6Kd/5QI8Uwg25t3ELCjSCz8Sx3PlWjdonYG5HZX1xtr/zMNz+NQ+6YNuMDqo69q3hy1RT5WqWlLQNF6FjzKULZOJ6o= 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=DtyKw7t0; arc=none smtp.client-ip=148.163.156.1 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="DtyKw7t0" Received: from pps.filterd (m0360083.ppops.net [127.0.0.1]) by mx0a-001b2d01.pphosted.com (8.18.1.2/8.18.1.2) with ESMTP id 47N40nXV005441; Fri, 23 Aug 2024 13:10:01 GMT DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=ibm.com; h=from :to:cc:subject:date:message-id:in-reply-to:references :mime-version:content-transfer-encoding; s=pp1; bh=56yfp8w+DcsyE rThynTt1IWFdlUF7m9wslgd8pjwUiU=; b=DtyKw7t0EAFIpjW+byOq25D43QReI yYMcoyMxvfhkwQ22HysoDVGoq9b3ahxN2K0lq/zyqzrYwvoGU06UZWtiHVFINzXm JvkWevJQZUag+9/vEtw2okMHK1jvJLn/iNsRTCPNAQKu7FkR6qqutKqRp+0/HElb S00e7BNx5GrGj9yP7UFqcfbNgGji7sHwUqztkvKRGscDtQsr9ldMDsKt+OL979Er Z4ReiBrIFqgwxGy1Mwsq6BwF5I8i7lGGCi1ABR/Z21ydKf9f53FRWYq6XqTn6n7s GAqOS9nQ4s/FhrsA1j+CvRWGzr5ZrYPQDyYNlHvlhvsPfx7sVOMtxSyCA== Received: from pps.reinject (localhost [127.0.0.1]) by mx0a-001b2d01.pphosted.com (PPS) with ESMTPS id 412mb650em-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Fri, 23 Aug 2024 13:10:01 +0000 (GMT) Received: from m0360083.ppops.net (m0360083.ppops.net [127.0.0.1]) by pps.reinject (8.18.0.8/8.18.0.8) with ESMTP id 47NDA15B016410; Fri, 23 Aug 2024 13:10:01 GMT 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 412mb650ec-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Fri, 23 Aug 2024 13:10:00 +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 47NAPLNH002215; Fri, 23 Aug 2024 13:09:59 GMT Received: from smtprelay01.fra02v.mail.ibm.com ([9.218.2.227]) by ppma22.wdc07v.mail.ibm.com (PPS) with ESMTPS id 4136k1252j-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Fri, 23 Aug 2024 13:09:59 +0000 Received: from smtpav06.fra02v.mail.ibm.com (smtpav06.fra02v.mail.ibm.com [10.20.54.105]) by smtprelay01.fra02v.mail.ibm.com (8.14.9/8.14.9/NCO v10.0) with ESMTP id 47ND9rMH54788404 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-GCM-SHA384 bits=256 verify=OK); Fri, 23 Aug 2024 13:09:56 GMT Received: from smtpav06.fra02v.mail.ibm.com (unknown [127.0.0.1]) by IMSVA (Postfix) with ESMTP id DC73320049; Fri, 23 Aug 2024 13:09:53 +0000 (GMT) Received: from smtpav06.fra02v.mail.ibm.com (unknown [127.0.0.1]) by IMSVA (Postfix) with ESMTP id 91D9B20040; Fri, 23 Aug 2024 13:09:53 +0000 (GMT) Received: from a46lp38.lnxne.boe (unknown [9.152.108.100]) by smtpav06.fra02v.mail.ibm.com (Postfix) with ESMTP; Fri, 23 Aug 2024 13:09:53 +0000 (GMT) From: Hariharan Mari To: linux-kselftest@vger.kernel.org Cc: linux-kernel@vger.kernel.org, kvm@vger.kernel.org, shuah@kernel.org, frankja@linux.ibm.com, borntraeger@linux.ibm.com, imbrenda@linux.ibm.com, david@redhat.com, pbonzini@redhat.com, schlameuss@linux.ibm.com Subject: [PATCH v3 2/5] KVM: s390: selftests: Add regression tests for PRNO, KDSA and KMA crypto subfunctions Date: Fri, 23 Aug 2024 15:05:05 +0200 Message-ID: <20240823130947.38323-3-hari55@linux.ibm.com> X-Mailer: git-send-email 2.45.2 In-Reply-To: <20240823130947.38323-1-hari55@linux.ibm.com> References: <20240823130947.38323-1-hari55@linux.ibm.com> Precedence: bulk X-Mailing-List: linux-kselftest@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-TM-AS-GCONF: 00 X-Proofpoint-ORIG-GUID: -ZCUtB6Ebqk7eOUgGxT92eHuKuht0cWU X-Proofpoint-GUID: JbLtS5HnD-gMZ2mlmQRJhVL0uvGHuzKk X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.293,Aquarius:18.0.1039,Hydra:6.0.680,FMLib:17.12.28.16 definitions=2024-08-23_10,2024-08-22_01,2024-05-17_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 clxscore=1015 spamscore=0 priorityscore=1501 adultscore=0 bulkscore=0 impostorscore=0 malwarescore=0 mlxlogscore=999 phishscore=0 mlxscore=0 lowpriorityscore=0 suspectscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.19.0-2407110000 definitions=main-2408230095 Extend the existing regression test framework for s390x CPU subfunctions to include tests for the PRNO (Perform Random Number Operation), KDSA (Compute Digital Signature Authentication) and KMA (Cipher Message with Authentication) crypto functions. The test procedure follows the established pattern: 1. Obtain KVM_S390_VM_CPU_MACHINE_SUBFUNC attribute for the VM. 2. Execute PRNO, KDSA and KMA instructions. 3. Compare KVM-reported results with direct instruction execution results. Suggested-by: Janosch Frank Signed-off-by: Hariharan Mari Reviewed-by: Janosch Frank Reviewed-by: Christoph Schlameuss --- .../kvm/s390x/cpumodel_subfuncs_test.c | 39 +++++++++++++++++++ 1 file changed, 39 insertions(+) diff --git a/tools/testing/selftests/kvm/s390x/cpumodel_subfuncs_test.c b/tools/testing/selftests/kvm/s390x/cpumodel_subfuncs_test.c index ee525c841767..96e7ca07220f 100644 --- a/tools/testing/selftests/kvm/s390x/cpumodel_subfuncs_test.c +++ b/tools/testing/selftests/kvm/s390x/cpumodel_subfuncs_test.c @@ -33,6 +33,39 @@ static void get_cpu_machine_subfuntions(struct kvm_vm *vm, TEST_ASSERT(!r, "Get cpu subfunctions failed r=%d errno=%d", r, errno); } +/* Testing Crypto Perform Random Number Operation (PRNO) CPU subfunction's ASM block */ +static void test_prno_asm_block(u8 (*query)[16]) +{ + asm volatile(" la %%r1,%[query]\n" + " xgr %%r0,%%r0\n" + " .insn rre,0xb93c0000,2,4\n" + : [query] "=R" (*query) + : + : "cc", "r0", "r1"); +} + +/* Testing Crypto Cipher Message with Authentication (KMA) CPU subfunction's ASM block */ +static void test_kma_asm_block(u8 (*query)[16]) +{ + asm volatile(" la %%r1,%[query]\n" + " xgr %%r0,%%r0\n" + " .insn rrf,0xb9290000,2,4,6,0\n" + : [query] "=R" (*query) + : + : "cc", "r0", "r1"); +} + +/* Testing Crypto Compute Digital Signature Authentication (KDSA) CPU subfunction's ASM block */ +static void test_kdsa_asm_block(u8 (*query)[16]) +{ + asm volatile(" la %%r1,%[query]\n" + " xgr %%r0,%%r0\n" + " .insn rre,0xb93a0000,0,2\n" + : [query] "=R" (*query) + : + : "cc", "r0", "r1"); +} + /* Testing Sort Lists (SORTL) CPU subfunction's ASM block */ static void test_sortl_asm_block(u8 (*query)[32]) { @@ -64,6 +97,12 @@ struct testdef { testfunc_t test; int facility_bit; } testlist[] = { + /* MSA5 - Facility bit 57 */ + { "PPNO", cpu_subfunc.ppno, sizeof(cpu_subfunc.ppno), test_prno_asm_block, 57 }, + /* MSA8 - Facility bit 146 */ + { "KMA", cpu_subfunc.kma, sizeof(cpu_subfunc.kma), test_kma_asm_block, 146 }, + /* MSA9 - Facility bit 155 */ + { "KDSA", cpu_subfunc.kdsa, sizeof(cpu_subfunc.kdsa), test_kdsa_asm_block, 155 }, /* SORTL - Facility bit 150 */ { "SORTL", cpu_subfunc.sortl, sizeof(cpu_subfunc.sortl), test_sortl_asm_block, 150 }, /* DFLTCC - Facility bit 151 */