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(unknown [9.114.12.104]) by d06av25.portsmouth.uk.ibm.com (Postfix) with ESMTP; Thu, 7 Apr 2022 13:02:59 +0000 (GMT) From: Janosch Frank To: kvm@vger.kernel.org Cc: linux-s390@vger.kernel.org, david@redhat.com, thuth@redhat.com, nrb@linux.ibm.com, seiden@linux.ibm.com, imbrenda@linux.ibm.com Subject: [kvm-unit-tests PATCH v3] s390x: diag308: Only test subcode 2 under QEMU Date: Thu, 7 Apr 2022 13:02:52 +0000 Message-Id: <20220407130252.15603-1-frankja@linux.ibm.com> X-Mailer: git-send-email 2.32.0 In-Reply-To: <20220407114253.5cb6f2aa@p-imbrenda> References: <20220407114253.5cb6f2aa@p-imbrenda> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-TM-AS-GCONF: 00 X-Proofpoint-GUID: 6dC-3WwOLcHNL1H879tZm3BAAw9NqNCs X-Proofpoint-ORIG-GUID: XwXfno73Hb6mKlDmiR_JzkaHeHJc9q3N X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.205,Aquarius:18.0.850,Hydra:6.0.425,FMLib:17.11.64.514 definitions=2022-04-07_01,2022-04-07_01,2022-02-23_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 lowpriorityscore=0 malwarescore=0 adultscore=0 priorityscore=1501 suspectscore=0 bulkscore=0 phishscore=0 clxscore=1015 impostorscore=0 spamscore=0 mlxscore=0 mlxlogscore=970 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.12.0-2202240000 definitions=main-2204070064 Precedence: bulk List-ID: X-Mailing-List: linux-s390@vger.kernel.org Other hypervisors might implement it and therefore not send a specification exception. Signed-off-by: Janosch Frank --- s390x/diag308.c | 18 +++++++++++++++++- 1 file changed, 17 insertions(+), 1 deletion(-) diff --git a/s390x/diag308.c b/s390x/diag308.c index c9d6c499..ea41b455 100644 --- a/s390x/diag308.c +++ b/s390x/diag308.c @@ -8,6 +8,7 @@ #include #include #include +#include /* The diagnose calls should be blocked in problem state */ static void test_priv(void) @@ -75,7 +76,7 @@ static void test_subcode6(void) /* Unsupported subcodes should generate a specification exception */ static void test_unsupported_subcode(void) { - int subcodes[] = { 2, 0x101, 0xffff, 0x10001, -1 }; + int subcodes[] = { 0x101, 0xffff, 0x10001, -1 }; int idx; for (idx = 0; idx < ARRAY_SIZE(subcodes); idx++) { @@ -85,6 +86,21 @@ static void test_unsupported_subcode(void) check_pgm_int_code(PGM_INT_CODE_SPECIFICATION); report_prefix_pop(); } + + /* + * Subcode 2 is not available under QEMU but might be on other + * hypervisors so we only check for the specification + * exception on QEMU. + */ + report_prefix_pushf("0x%04x", 2); + if (host_is_qemu()) { + expect_pgm_int(); + asm volatile ("diag %0,%1,0x308" :: "d"(0), "d"(2)); + check_pgm_int_code(PGM_INT_CODE_SPECIFICATION); + } else { + report_skip("subcode is supported"); + } + report_prefix_pop(); } static struct { -- 2.32.0