From patchwork Tue Oct 5 01:19:21 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Ricardo Koller X-Patchwork-Id: 12535231 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 mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 5EBBFC433FE for ; Tue, 5 Oct 2021 01:19:45 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 477F661406 for ; Tue, 5 Oct 2021 01:19:45 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S231363AbhJEBVc (ORCPT ); Mon, 4 Oct 2021 21:21:32 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:60138 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S231311AbhJEBVb (ORCPT ); Mon, 4 Oct 2021 21:21:31 -0400 Received: from mail-pl1-x64a.google.com (mail-pl1-x64a.google.com [IPv6:2607:f8b0:4864:20::64a]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 635EBC061753 for ; Mon, 4 Oct 2021 18:19:41 -0700 (PDT) Received: by mail-pl1-x64a.google.com with SMTP id l12-20020a170903120c00b0013eb930584fso812200plh.22 for ; Mon, 04 Oct 2021 18:19:41 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=20210112; h=date:in-reply-to:message-id:mime-version:references:subject:from:to :cc; bh=ebBYyYb0auVU2YwhpjKMMCWgRzY2PJI9/2w5/quPrGs=; b=nnff9YiUi6n1ZXyRJwhfFa6RWAeI0wcpnPssLqmBzAlrRBcjFTQuzDYAjwhxx0tlOq e+S5uaB88ivXuMxCX8mLqcIxGLvJF0V0OgaJn+sutt6n3gSl0AMpkFhY5mvQYmX5ew+D WI5qVOypc6GBHMoJ6nmlJlq3ZzygfPXlMg/tlTJA1W3D9pghl6JYJB8QCS8actNnmxEH gpEXsFZyynm2ozl0zbOPO6kP0yJ+/Dd4eq1ppv3Z4wAoJhWULYv6Ab7hmS6ncnX9p3JE ETbTYxijY0mT28Xuh1/n2HOfAvYiMaaq70PB0zVzfsXQ57Q6XK+yfungcx56nOHn9I0/ XKTg== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=x-gm-message-state:date:in-reply-to:message-id:mime-version :references:subject:from:to:cc; bh=ebBYyYb0auVU2YwhpjKMMCWgRzY2PJI9/2w5/quPrGs=; b=giAvg4XdFDx1OfK4ovUFnXuTFn8KIFLFHA7h5ur12WRsObiD2iXr534IgNruTFwKvg UR2m6m+D9Jpw7wR2dVg/GEwxKtS/7BSHhZnzc+1xhVctE/h3iBiv3bi+K7mwSInU5jy0 QCLyKbQREYDeq4IZShJo1O3G7v0TheCk4C1kyA9XuXeUqXa7zIJACc/NLaJ/n7NtQzYy 1bzrHLWcPxN35QuuTfBaKIu7N5USOtTrp74b/AAuBls43UEfBEpgrWdYZZ0GJu7aKjVz mAOFpHRQapskWKDdvPeQm4OXKfkafdDwoam06pOwYzr0DaxpDbGIzcREIIaW0GcuLzwV ak1Q== X-Gm-Message-State: AOAM532WtLR1lrmYJkrmuMnyzXtxPc4++uutFvbAAbbCNfYJNPUZXdR2 mLmXWFuN6olAOl0//2xgjtyU9pEw4o6+RfnyARArvALdvEmpvyy0xVijBRSX3S3DS4AiRpXWeAR 4Sy5wL+5iBRssfgTlwMwI4uR43+By9mm+yjOlZG+dKsEmvX8OLHPMiJjJkY9OPeg= X-Google-Smtp-Source: ABdhPJxSvUsBKjgUTRIyeKoK/lGVqGBvu8uO5Dr1jcgTFqQndyorWtPI9bFQSzNvrMxfbls15hUJ0mio4/S5Vg== X-Received: from ricarkol2.c.googlers.com ([fda3:e722:ac3:cc00:24:72f4:c0a8:62fe]) (user=ricarkol job=sendgmr) by 2002:a17:902:7e88:b0:13e:91ec:4114 with SMTP id z8-20020a1709027e8800b0013e91ec4114mr2606928pla.30.1633396780779; Mon, 04 Oct 2021 18:19:40 -0700 (PDT) Date: Mon, 4 Oct 2021 18:19:21 -0700 In-Reply-To: <20211005011921.437353-1-ricarkol@google.com> Message-Id: <20211005011921.437353-12-ricarkol@google.com> Mime-Version: 1.0 References: <20211005011921.437353-1-ricarkol@google.com> X-Mailer: git-send-email 2.33.0.800.g4c38ced690-goog Subject: [PATCH v4 11/11] KVM: arm64: selftests: Add init ITS device test From: Ricardo Koller To: kvm@vger.kernel.org, maz@kernel.org, kvmarm@lists.cs.columbia.edu, drjones@redhat.com, eric.auger@redhat.com, alexandru.elisei@arm.com Cc: Paolo Bonzini , oupton@google.com, james.morse@arm.com, suzuki.poulose@arm.com, shuah@kernel.org, jingzhangos@google.com, pshier@google.com, rananta@google.com, reijiw@google.com, Ricardo Koller Precedence: bulk List-ID: X-Mailing-List: kvm@vger.kernel.org Add some ITS device init tests: general KVM device tests (address not defined already, address aligned) and tests for the ITS region being within the addressable IPA range. Signed-off-by: Ricardo Koller Reviewed-by: Eric Auger Reviewed-by: Andrew Jones --- .../testing/selftests/kvm/aarch64/vgic_init.c | 42 +++++++++++++++++++ 1 file changed, 42 insertions(+) diff --git a/tools/testing/selftests/kvm/aarch64/vgic_init.c b/tools/testing/selftests/kvm/aarch64/vgic_init.c index 80be1940d2ad..c563489ff760 100644 --- a/tools/testing/selftests/kvm/aarch64/vgic_init.c +++ b/tools/testing/selftests/kvm/aarch64/vgic_init.c @@ -598,6 +598,47 @@ static void test_v3_redist_ipa_range_check_at_vcpu_run(void) vm_gic_destroy(&v); } +static void test_v3_its_region(void) +{ + struct vm_gic v; + uint64_t addr; + int its_fd, ret; + + v = vm_gic_create_with_vcpus(KVM_DEV_TYPE_ARM_VGIC_V3, NR_VCPUS); + its_fd = kvm_create_device(v.vm, KVM_DEV_TYPE_ARM_VGIC_ITS, false); + + addr = 0x401000; + ret = _kvm_device_access(its_fd, KVM_DEV_ARM_VGIC_GRP_ADDR, + KVM_VGIC_ITS_ADDR_TYPE, &addr, true); + TEST_ASSERT(ret && errno == EINVAL, + "ITS region with misaligned address"); + + addr = max_phys_size; + ret = _kvm_device_access(its_fd, KVM_DEV_ARM_VGIC_GRP_ADDR, + KVM_VGIC_ITS_ADDR_TYPE, &addr, true); + TEST_ASSERT(ret && errno == E2BIG, + "register ITS region with base address beyond IPA range"); + + addr = max_phys_size - 0x10000; + ret = _kvm_device_access(its_fd, KVM_DEV_ARM_VGIC_GRP_ADDR, + KVM_VGIC_ITS_ADDR_TYPE, &addr, true); + TEST_ASSERT(ret && errno == E2BIG, + "Half of ITS region is beyond IPA range"); + + /* This one succeeds setting the ITS base */ + addr = 0x400000; + kvm_device_access(its_fd, KVM_DEV_ARM_VGIC_GRP_ADDR, + KVM_VGIC_ITS_ADDR_TYPE, &addr, true); + + addr = 0x300000; + ret = _kvm_device_access(its_fd, KVM_DEV_ARM_VGIC_GRP_ADDR, + KVM_VGIC_ITS_ADDR_TYPE, &addr, true); + TEST_ASSERT(ret && errno == EEXIST, "ITS base set again"); + + close(its_fd); + vm_gic_destroy(&v); +} + /* * Returns 0 if it's possible to create GIC device of a given type (V2 or V3). */ @@ -650,6 +691,7 @@ void run_tests(uint32_t gic_dev_type) test_v3_last_bit_redist_regions(); test_v3_last_bit_single_rdist(); test_v3_redist_ipa_range_check_at_vcpu_run(); + test_v3_its_region(); } }