From patchwork Wed Sep 18 12:04:21 2019 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Thomas Huth X-Patchwork-Id: 11150191 Return-Path: Received: from mail.kernel.org (pdx-korg-mail-1.web.codeaurora.org [172.30.200.123]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id 0A962196C for ; Wed, 18 Sep 2019 12:04:44 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id E6C6021907 for ; Wed, 18 Sep 2019 12:04:43 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1730582AbfIRMEn (ORCPT ); Wed, 18 Sep 2019 08:04:43 -0400 Received: from mx1.redhat.com ([209.132.183.28]:1917 "EHLO mx1.redhat.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1730560AbfIRMEn (ORCPT ); Wed, 18 Sep 2019 08:04:43 -0400 Received: from smtp.corp.redhat.com (int-mx01.intmail.prod.int.phx2.redhat.com [10.5.11.11]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mx1.redhat.com (Postfix) with ESMTPS id AC40B307D9D0; Wed, 18 Sep 2019 12:04:42 +0000 (UTC) Received: from thuth.com (ovpn-116-90.ams2.redhat.com [10.36.116.90]) by smtp.corp.redhat.com (Postfix) with ESMTP id 5E5A6600C8; Wed, 18 Sep 2019 12:04:41 +0000 (UTC) From: Thomas Huth To: kvm@vger.kernel.org, Paolo Bonzini , =?utf-8?b?UmFk?= =?utf-8?b?aW0gS3LEjW3DocWZ?= Cc: David Hildenbrand , Janosch Frank Subject: [kvm-unit-tests PULL 4/9] s390x: STSI tests Date: Wed, 18 Sep 2019 14:04:21 +0200 Message-Id: <20190918120426.20832-5-thuth@redhat.com> In-Reply-To: <20190918120426.20832-1-thuth@redhat.com> References: <20190918120426.20832-1-thuth@redhat.com> X-Scanned-By: MIMEDefang 2.79 on 10.5.11.11 X-Greylist: Sender IP whitelisted, not delayed by milter-greylist-4.5.16 (mx1.redhat.com [10.5.110.48]); Wed, 18 Sep 2019 12:04:42 +0000 (UTC) Sender: kvm-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: kvm@vger.kernel.org From: Janosch Frank For now let's concentrate on the error conditions. Signed-off-by: Janosch Frank Message-Id: <20190826163502.1298-5-frankja@linux.ibm.com> Reviewed-by: David Hildenbrand [thuth: Replaced a "%3" in inline assembly with "%[addr]"] Signed-off-by: Thomas Huth --- s390x/Makefile | 1 + s390x/stsi.c | 84 +++++++++++++++++++++++++++++++++++++++++++++ s390x/unittests.cfg | 3 ++ 3 files changed, 88 insertions(+) create mode 100644 s390x/stsi.c diff --git a/s390x/Makefile b/s390x/Makefile index 3453373..76db0bb 100644 --- a/s390x/Makefile +++ b/s390x/Makefile @@ -13,6 +13,7 @@ tests += $(TEST_DIR)/gs.elf tests += $(TEST_DIR)/iep.elf tests += $(TEST_DIR)/cpumodel.elf tests += $(TEST_DIR)/diag288.elf +tests += $(TEST_DIR)/stsi.elf tests_binary = $(patsubst %.elf,%.bin,$(tests)) all: directories test_cases test_cases_binary diff --git a/s390x/stsi.c b/s390x/stsi.c new file mode 100644 index 0000000..7232cb0 --- /dev/null +++ b/s390x/stsi.c @@ -0,0 +1,84 @@ +/* + * Store System Information tests + * + * Copyright (c) 2019 IBM Corp + * + * Authors: + * Janosch Frank + * + * This code is free software; you can redistribute it and/or modify it + * under the terms of the GNU Library General Public License version 2. + */ + +#include +#include +#include +#include + +static uint8_t pagebuf[PAGE_SIZE * 2] __attribute__((aligned(PAGE_SIZE * 2))); + +static void test_specs(void) +{ + report_prefix_push("specification"); + + report_prefix_push("inv r0"); + expect_pgm_int(); + stsi(pagebuf, 0, 1 << 8, 0); + check_pgm_int_code(PGM_INT_CODE_SPECIFICATION); + report_prefix_pop(); + + report_prefix_push("inv r1"); + expect_pgm_int(); + stsi(pagebuf, 1, 0, 1 << 16); + check_pgm_int_code(PGM_INT_CODE_SPECIFICATION); + report_prefix_pop(); + + report_prefix_push("unaligned"); + expect_pgm_int(); + stsi(pagebuf + 42, 1, 0, 0); + check_pgm_int_code(PGM_INT_CODE_SPECIFICATION); + report_prefix_pop(); + + report_prefix_pop(); +} + +static void test_priv(void) +{ + report_prefix_push("privileged"); + expect_pgm_int(); + enter_pstate(); + stsi(pagebuf, 0, 0, 0); + check_pgm_int_code(PGM_INT_CODE_PRIVILEGED_OPERATION); + report_prefix_pop(); +} + +static inline unsigned long stsi_get_fc(void *addr) +{ + register unsigned long r0 asm("0") = 0; + register unsigned long r1 asm("1") = 0; + int cc; + + asm volatile("stsi 0(%[addr])\n" + "ipm %[cc]\n" + "srl %[cc],28\n" + : "+d" (r0), [cc] "=d" (cc) + : "d" (r1), [addr] "a" (addr) + : "cc", "memory"); + assert(!cc); + return r0 >> 28; +} + +static void test_fc(void) +{ + report("invalid fc", stsi(pagebuf, 7, 0, 0) == 3); + report("query fc >= 2", stsi_get_fc(pagebuf) >= 2); +} + +int main(void) +{ + report_prefix_push("stsi"); + test_priv(); + test_specs(); + test_fc(); + return report_summary(); +} diff --git a/s390x/unittests.cfg b/s390x/unittests.cfg index 9dd288a..cc79a4e 100644 --- a/s390x/unittests.cfg +++ b/s390x/unittests.cfg @@ -68,3 +68,6 @@ file = cpumodel.elf [diag288] file = diag288.elf extra_params=-device diag288,id=watchdog0 --watchdog-action inject-nmi + +[stsi] +file = stsi.elf