From patchwork Thu Jul 7 16:16:56 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Cornelia Huck X-Patchwork-Id: 12909911 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 5409BC433EF for ; Thu, 7 Jul 2022 16:17:27 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S235953AbiGGQR0 (ORCPT ); Thu, 7 Jul 2022 12:17:26 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:57016 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S235727AbiGGQRU (ORCPT ); Thu, 7 Jul 2022 12:17:20 -0400 Received: from us-smtp-delivery-124.mimecast.com (us-smtp-delivery-124.mimecast.com [170.10.133.124]) by lindbergh.monkeyblade.net (Postfix) with ESMTP id 5D4DF13DC8 for ; Thu, 7 Jul 2022 09:17:18 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1657210638; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version:content-type:content-type: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=E8sCoaxLOXpg7pnv4sV/NFcTS/eGnW5V+4PYPvvHC2M=; b=d/jAaL7JXr0wiMMY9j4wHH19IcfHVlYYsqg9iq1ztsne/e6HvwN+Wg7r9ImYC8lDcLFVG/ 3Jg8EW5FHwJMaVDiNQX8YGjgNZyLOt5nK+hLB3OB4bChYIKZ7TrRhKWE7mfsi10ZDOQBrK GwQPC6w2ROxLp9ZpqR/pmmyvstA0VcU= Received: from mimecast-mx02.redhat.com (mimecast-mx02.redhat.com [66.187.233.88]) by relay.mimecast.com with ESMTP with STARTTLS (version=TLSv1.2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id us-mta-308-3df8Gv1NMRGRwL9hfhEsCw-1; Thu, 07 Jul 2022 12:17:05 -0400 X-MC-Unique: 3df8Gv1NMRGRwL9hfhEsCw-1 Received: from smtp.corp.redhat.com (int-mx06.intmail.prod.int.rdu2.redhat.com [10.11.54.6]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mimecast-mx02.redhat.com (Postfix) with ESMTPS id 94A0C811E75; Thu, 7 Jul 2022 16:17:05 +0000 (UTC) Received: from gondolin.fritz.box (unknown [10.39.192.81]) by smtp.corp.redhat.com (Postfix) with ESMTP id 0CF1E2166B26; Thu, 7 Jul 2022 16:17:03 +0000 (UTC) From: Cornelia Huck To: Peter Maydell , Thomas Huth , Laurent Vivier Cc: Eric Auger , "Dr. David Alan Gilbert" , Juan Quintela , qemu-arm@nongnu.org, qemu-devel@nongnu.org, kvm@vger.kernel.org, Cornelia Huck Subject: [PATCH RFC v2 2/2] qtests/arm: add some mte tests Date: Thu, 7 Jul 2022 18:16:56 +0200 Message-Id: <20220707161656.41664-3-cohuck@redhat.com> In-Reply-To: <20220707161656.41664-1-cohuck@redhat.com> References: <20220707161656.41664-1-cohuck@redhat.com> MIME-Version: 1.0 Content-type: text/plain X-Scanned-By: MIMEDefang 2.78 on 10.11.54.6 Precedence: bulk List-ID: X-Mailing-List: kvm@vger.kernel.org Signed-off-by: Cornelia Huck --- tests/qtest/arm-cpu-features.c | 77 ++++++++++++++++++++++++++++++++++ 1 file changed, 77 insertions(+) diff --git a/tests/qtest/arm-cpu-features.c b/tests/qtest/arm-cpu-features.c index 5a145273860c..466be857d391 100644 --- a/tests/qtest/arm-cpu-features.c +++ b/tests/qtest/arm-cpu-features.c @@ -22,6 +22,7 @@ #define MACHINE "-machine virt,gic-version=max -accel tcg " #define MACHINE_KVM "-machine virt,gic-version=max -accel kvm -accel tcg " +#define MACHINE_MTE "-machine virt,gic-version=max,mte=on -accel tcg " #define QUERY_HEAD "{ 'execute': 'query-cpu-model-expansion', " \ " 'arguments': { 'type': 'full', " #define QUERY_TAIL "}}" @@ -155,6 +156,18 @@ static bool resp_get_feature(QDict *resp, const char *feature) g_assert(qdict_get_bool(_props, feature) == (expected_value)); \ }) +#define resp_assert_feature_str(resp, feature, expected_value) \ +({ \ + QDict *_props; \ + \ + g_assert(_resp); \ + g_assert(resp_has_props(_resp)); \ + _props = resp_get_props(_resp); \ + g_assert(qdict_get(_props, feature)); \ + g_assert_cmpstr(qdict_get_try_str(_props, feature), ==, \ + expected_value); \ +}) + #define assert_feature(qts, cpu_type, feature, expected_value) \ ({ \ QDict *_resp; \ @@ -165,6 +178,16 @@ static bool resp_get_feature(QDict *resp, const char *feature) qobject_unref(_resp); \ }) +#define assert_feature_str(qts, cpu_type, feature, expected_value) \ +({ \ + QDict *_resp; \ + \ + _resp = do_query_no_props(qts, cpu_type); \ + g_assert(_resp); \ + resp_assert_feature_str(_resp, feature, expected_value); \ + qobject_unref(_resp); \ +}) + #define assert_set_feature(qts, cpu_type, feature, value) \ ({ \ const char *_fmt = (value) ? "{ %s: true }" : "{ %s: false }"; \ @@ -176,6 +199,16 @@ static bool resp_get_feature(QDict *resp, const char *feature) qobject_unref(_resp); \ }) +#define assert_set_feature_str(qts, cpu_type, feature, value, _fmt) \ +({ \ + QDict *_resp; \ + \ + _resp = do_query(qts, cpu_type, _fmt, feature); \ + g_assert(_resp); \ + resp_assert_feature_str(_resp, feature, value); \ + qobject_unref(_resp); \ +}) + #define assert_has_feature_enabled(qts, cpu_type, feature) \ assert_feature(qts, cpu_type, feature, true) @@ -412,6 +445,24 @@ static void sve_tests_sve_off_kvm(const void *data) qtest_quit(qts); } +static void mte_tests_tag_memory_on(const void *data) +{ + QTestState *qts; + + qts = qtest_init(MACHINE_MTE "-cpu max"); + + /* + * With tag memory, "mte" should default to on, and explicitly specifying + * either on or off should be fine. + */ + assert_has_feature(qts, "max", "mte"); + + assert_set_feature_str(qts, "max", "mte", "off", "{ 'mte': 'off' }"); + assert_set_feature_str(qts, "max", "mte", "on", "{ 'mte': 'on' }"); + + qtest_quit(qts); +} + static void pauth_tests_default(QTestState *qts, const char *cpu_type) { assert_has_feature_enabled(qts, cpu_type, "pauth"); @@ -424,6 +475,21 @@ static void pauth_tests_default(QTestState *qts, const char *cpu_type) "{ 'pauth': false, 'pauth-impdef': true }"); } +static void mte_tests_default(QTestState *qts, const char *cpu_type) +{ + assert_has_feature(qts, cpu_type, "mte"); + + /* + * Without tag memory, mte will be off under tcg. + * Explicitly enabling it yields an error. + */ + assert_has_feature(qts, cpu_type, "mte"); + + assert_set_feature_str(qts, "max", "mte", "off", "{ 'mte': 'off' }"); + assert_error(qts, cpu_type, "mte=on requires tag memory", + "{ 'mte': 'on' }"); +} + static void test_query_cpu_model_expansion(const void *data) { QTestState *qts; @@ -473,6 +539,7 @@ static void test_query_cpu_model_expansion(const void *data) sve_tests_default(qts, "max"); pauth_tests_default(qts, "max"); + mte_tests_default(qts, "max"); /* Test that features that depend on KVM generate errors without. */ assert_error(qts, "max", @@ -499,6 +566,7 @@ static void test_query_cpu_model_expansion_kvm(const void *data) if (g_str_equal(qtest_get_arch(), "aarch64")) { bool kvm_supports_steal_time; bool kvm_supports_sve; + bool kvm_supports_mte; char max_name[8], name[8]; uint32_t max_vq, vq; uint64_t vls; @@ -523,10 +591,12 @@ static void test_query_cpu_model_expansion_kvm(const void *data) */ assert_has_feature(qts, "host", "kvm-steal-time"); assert_has_feature(qts, "host", "sve"); + assert_has_feature(qts, "host", "mte"); resp = do_query_no_props(qts, "host"); kvm_supports_steal_time = resp_get_feature(resp, "kvm-steal-time"); kvm_supports_sve = resp_get_feature(resp, "sve"); + kvm_supports_mte = resp_get_feature(resp, "mte"); vls = resp_get_sve_vls(resp); qobject_unref(resp); @@ -592,6 +662,11 @@ static void test_query_cpu_model_expansion_kvm(const void *data) } else { g_assert(vls == 0); } + if (kvm_supports_mte) { + /* If we have mte then we should be able to toggle it. */ + assert_set_feature(qts, "host", "mte", false); + assert_set_feature(qts, "host", "mte", true); + } } else { assert_has_not_feature(qts, "host", "aarch64"); assert_has_not_feature(qts, "host", "pmu"); @@ -630,6 +705,8 @@ int main(int argc, char **argv) NULL, sve_tests_sve_off); qtest_add_data_func("/arm/kvm/query-cpu-model-expansion/sve-off", NULL, sve_tests_sve_off_kvm); + qtest_add_data_func("/arm/max/query-cpu-model-expansion/tag-memory", + NULL, mte_tests_tag_memory_on); } return g_test_run();