From mboxrd@z Thu Jan 1 00:00:00 1970 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 80D50C4332F for ; Tue, 28 Sep 2021 18:48:23 +0000 (UTC) Received: from mm01.cs.columbia.edu (mm01.cs.columbia.edu [128.59.11.253]) by mail.kernel.org (Postfix) with ESMTP id 2F61361262 for ; Tue, 28 Sep 2021 18:48:23 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.4.1 mail.kernel.org 2F61361262 Authentication-Results: mail.kernel.org; dmarc=fail (p=reject dis=none) header.from=google.com Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=lists.cs.columbia.edu Received: from localhost (localhost [127.0.0.1]) by mm01.cs.columbia.edu (Postfix) with ESMTP id D0BB84B10C; Tue, 28 Sep 2021 14:48:22 -0400 (EDT) X-Virus-Scanned: at lists.cs.columbia.edu Authentication-Results: mm01.cs.columbia.edu (amavisd-new); dkim=softfail (fail, message has been altered) header.i=@google.com Received: from mm01.cs.columbia.edu ([127.0.0.1]) by localhost (mm01.cs.columbia.edu [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id adOnmXtZLUxm; Tue, 28 Sep 2021 14:48:21 -0400 (EDT) Received: from mm01.cs.columbia.edu (localhost [127.0.0.1]) by mm01.cs.columbia.edu (Postfix) with ESMTP id 7C0154B0CB; Tue, 28 Sep 2021 14:48:20 -0400 (EDT) Received: from localhost (localhost [127.0.0.1]) by mm01.cs.columbia.edu (Postfix) with ESMTP id 08A824B105 for ; Tue, 28 Sep 2021 14:48:20 -0400 (EDT) X-Virus-Scanned: at lists.cs.columbia.edu Received: from mm01.cs.columbia.edu ([127.0.0.1]) by localhost (mm01.cs.columbia.edu [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id 9YgFSPwhci-e for ; Tue, 28 Sep 2021 14:48:18 -0400 (EDT) Received: from mail-qt1-f201.google.com (mail-qt1-f201.google.com [209.85.160.201]) by mm01.cs.columbia.edu (Postfix) with ESMTPS id CD6484B0F4 for ; Tue, 28 Sep 2021 14:48:18 -0400 (EDT) Received: by mail-qt1-f201.google.com with SMTP id b20-20020ac87fd4000000b002a69ee90efbso102058228qtk.11 for ; Tue, 28 Sep 2021 11:48:18 -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=mHySpLUqTDg2OB2pZY1bzI1vpeSiB7OP7e6Vc0QQG+g=; b=VdvlANnvR3RqyiBGqGl3eMdfcfQH5712cpPKL1c6Zt/rfwR0XN3tcGqfT+erFk2Pq8 RynqD/nM+P0GjEdra9i0wRPNaexE8mA/Lp6sr1JFz5hJd4BvjZpaPybF7x7jSmJA9K+a kdT6bfWUVgMt02H9o9Qyq3SHi8M7uybF6kPXzkn9BGhciix4nAk5zCmToHryezn/CwpV pKXzG+rxAG2SUd2MxNx61Sp9V76W9fX5qpKCsV9vXUHGfV6z76HlS7P82sKShhl9dBtN 2g/qbLi47kJb28BaIUA0D16w4MjLnuQ6JDfdV0Fjvq2rZwuFZ5MGAHq2hDj3qpDV3hvr wGdg== 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=mHySpLUqTDg2OB2pZY1bzI1vpeSiB7OP7e6Vc0QQG+g=; b=brNUhQdkPCCPsXHzx1avNStYNJN96kCfeBEXYJiK/u5LU/V80Us5texC7ESp59IWfo qv64YpBsEvwjeniP8OB5IDnHLlwVIZhO7gxfFqUaBMpJ8/KwCtjp6jVqpvulyRFoXHOR gbEhkFr2uUT/VFC0M3wFdO2oz1anzeKbRoBKYlFpMf+pfwxyP+ikqqm4GDxkOWZrDLnd XovWMDVlDZ4mKKji+I+QpAm6nIoEos9t5GasO6njTaLizxtZVH1ePBJrpzhvY2MlY/9w ylSZGcYwGO9ViyXGu45Z5BE87yxLWYXBzyyTsDtKPbXyRObHY3mY8NSBMVOIfrwb34ce PSwg== X-Gm-Message-State: AOAM532mP21vSsJFrdBACl0x3hJqkoZYCgwhmzT3//fO9ZRhQdxG5BxS 2mPxv4Ew631VOpQME66W7g4RpMmXL7rvTQ== X-Google-Smtp-Source: ABdhPJwQKH6fCAaEup/HmoIhJjFbFyqIH4bHW1FHY/Faj8Qt4SMle1i01LllAvPY40KlDIjaZma+5pz9qAFv4g== X-Received: from ricarkol2.c.googlers.com ([fda3:e722:ac3:cc00:24:72f4:c0a8:62fe]) (user=ricarkol job=sendgmr) by 2002:a0c:a78a:: with SMTP id v10mr7107973qva.49.1632854898150; Tue, 28 Sep 2021 11:48:18 -0700 (PDT) Date: Tue, 28 Sep 2021 11:48:01 -0700 In-Reply-To: <20210928184803.2496885-1-ricarkol@google.com> Message-Id: <20210928184803.2496885-8-ricarkol@google.com> Mime-Version: 1.0 References: <20210928184803.2496885-1-ricarkol@google.com> X-Mailer: git-send-email 2.33.0.685.g46640cef36-goog Subject: [PATCH v3 07/10] KVM: arm64: selftests: Add some tests for GICv2 in vgic_init 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: pshier@google.com, Paolo Bonzini , shuah@kernel.org X-BeenThere: kvmarm@lists.cs.columbia.edu X-Mailman-Version: 2.1.14 Precedence: list List-Id: Where KVM/ARM decisions are made List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Errors-To: kvmarm-bounces@lists.cs.columbia.edu Sender: kvmarm-bounces@lists.cs.columbia.edu Add some GICv2 tests: general KVM device tests and DIST/REDIST overlap tests. Do this by making test_vcpus_then_vgic and test_vgic_then_vcpus in vgic_init GIC version agnostic. Signed-off-by: Ricardo Koller --- .../testing/selftests/kvm/aarch64/vgic_init.c | 107 ++++++++++++------ 1 file changed, 75 insertions(+), 32 deletions(-) diff --git a/tools/testing/selftests/kvm/aarch64/vgic_init.c b/tools/testing/selftests/kvm/aarch64/vgic_init.c index b24067dbdac0..92f5c6ca6b8b 100644 --- a/tools/testing/selftests/kvm/aarch64/vgic_init.c +++ b/tools/testing/selftests/kvm/aarch64/vgic_init.c @@ -79,74 +79,116 @@ static void vm_gic_destroy(struct vm_gic *v) kvm_vm_free(v->vm); } +struct vgic_region_attr { + uint64_t attr; + uint64_t size; + uint64_t alignment; +}; + +struct vgic_region_attr gic_v3_dist_region = { + .attr = KVM_VGIC_V3_ADDR_TYPE_DIST, + .size = 0x10000, + .alignment = 0x10000, +}; + +struct vgic_region_attr gic_v3_redist_region = { + .attr = KVM_VGIC_V3_ADDR_TYPE_REDIST, + .size = NR_VCPUS * 0x20000, + .alignment = 0x10000, +}; + +struct vgic_region_attr gic_v2_dist_region = { + .attr = KVM_VGIC_V2_ADDR_TYPE_DIST, + .size = 0x1000, + .alignment = 0x1000, +}; + +struct vgic_region_attr gic_v2_cpu_region = { + .attr = KVM_VGIC_V2_ADDR_TYPE_CPU, + .size = 0x2000, + .alignment = 0x1000, +}; + /** - * Helper routine that performs KVM device tests in general and - * especially ARM_VGIC_V3 ones. Eventually the ARM_VGIC_V3 - * device gets created, a legacy RDIST region is set at @0x0 - * and a DIST region is set @0x60000 + * Helper routine that performs KVM device tests in general. Eventually the + * ARM_VGIC (GICv2 or GICv3) device gets created with an overlapping + * DIST/REDIST. A RDIST region (legacy in the case of GICv3) is set at @0x0 and + * a DIST region is set @0x70000 for GICv3 and @0x1000 for GICv2. */ -static void subtest_v3_dist_rdist(struct vm_gic *v) +static void subtest_dist_rdist(struct vm_gic *v) { int ret; uint64_t addr; + struct vgic_region_attr rdist; /* CPU interface in GICv2*/ + struct vgic_region_attr dist; + + rdist = VGIC_DEV_IS_V3(v->gic_dev_type) ? gic_v3_redist_region + : gic_v2_cpu_region; + dist = VGIC_DEV_IS_V3(v->gic_dev_type) ? gic_v3_dist_region + : gic_v2_dist_region; /* Check existing group/attributes */ kvm_device_check_attr(v->gic_fd, KVM_DEV_ARM_VGIC_GRP_ADDR, - KVM_VGIC_V3_ADDR_TYPE_DIST); + dist.attr); kvm_device_check_attr(v->gic_fd, KVM_DEV_ARM_VGIC_GRP_ADDR, - KVM_VGIC_V3_ADDR_TYPE_REDIST); + rdist.attr); /* check non existing attribute */ - ret = _kvm_device_check_attr(v->gic_fd, KVM_DEV_ARM_VGIC_GRP_ADDR, 0); + ret = _kvm_device_check_attr(v->gic_fd, KVM_DEV_ARM_VGIC_GRP_ADDR, -1); TEST_ASSERT(ret && errno == ENXIO, "attribute not supported"); /* misaligned DIST and REDIST address settings */ - addr = 0x1000; + addr = dist.alignment / 0x10; ret = _kvm_device_access(v->gic_fd, KVM_DEV_ARM_VGIC_GRP_ADDR, - KVM_VGIC_V3_ADDR_TYPE_DIST, &addr, true); - TEST_ASSERT(ret && errno == EINVAL, "GICv3 dist base not 64kB aligned"); + dist.attr, &addr, true); + TEST_ASSERT(ret && errno == EINVAL, "GIC dist base not aligned"); + addr = rdist.alignment / 0x10; ret = _kvm_device_access(v->gic_fd, KVM_DEV_ARM_VGIC_GRP_ADDR, - KVM_VGIC_V3_ADDR_TYPE_REDIST, &addr, true); - TEST_ASSERT(ret && errno == EINVAL, "GICv3 redist base not 64kB aligned"); + rdist.attr, &addr, true); + TEST_ASSERT(ret && errno == EINVAL, "GIC redist/cpu base not aligned"); /* out of range address */ if (max_ipa_bits) { addr = 1ULL << max_ipa_bits; ret = _kvm_device_access(v->gic_fd, KVM_DEV_ARM_VGIC_GRP_ADDR, - KVM_VGIC_V3_ADDR_TYPE_DIST, &addr, true); + dist.attr, &addr, true); TEST_ASSERT(ret && errno == E2BIG, "dist address beyond IPA limit"); ret = _kvm_device_access(v->gic_fd, KVM_DEV_ARM_VGIC_GRP_ADDR, - KVM_VGIC_V3_ADDR_TYPE_REDIST, &addr, true); + rdist.attr, &addr, true); TEST_ASSERT(ret && errno == E2BIG, "redist address beyond IPA limit"); } /* set REDIST base address @0x0*/ addr = 0x00000; kvm_device_access(v->gic_fd, KVM_DEV_ARM_VGIC_GRP_ADDR, - KVM_VGIC_V3_ADDR_TYPE_REDIST, &addr, true); + rdist.attr, &addr, true); /* Attempt to create a second legacy redistributor region */ addr = 0xE0000; ret = _kvm_device_access(v->gic_fd, KVM_DEV_ARM_VGIC_GRP_ADDR, - KVM_VGIC_V3_ADDR_TYPE_REDIST, &addr, true); - TEST_ASSERT(ret && errno == EEXIST, "GICv3 redist base set again"); + rdist.attr, &addr, true); + TEST_ASSERT(ret && errno == EEXIST, "GIC redist base set again"); - /* Attempt to mix legacy and new redistributor regions */ - addr = REDIST_REGION_ATTR_ADDR(NR_VCPUS, 0x100000, 0, 0); - ret = _kvm_device_access(v->gic_fd, KVM_DEV_ARM_VGIC_GRP_ADDR, - KVM_VGIC_V3_ADDR_TYPE_REDIST_REGION, &addr, true); - TEST_ASSERT(ret && errno == EINVAL, "attempt to mix GICv3 REDIST and REDIST_REGION"); + if (VGIC_DEV_IS_V3(v->gic_dev_type)) { + /* Attempt to mix legacy and new redistributor regions */ + addr = REDIST_REGION_ATTR_ADDR(NR_VCPUS, 0x100000, 0, 0); + ret = _kvm_device_access(v->gic_fd, KVM_DEV_ARM_VGIC_GRP_ADDR, + KVM_VGIC_V3_ADDR_TYPE_REDIST_REGION, + &addr, true); + TEST_ASSERT(ret && errno == EINVAL, + "attempt to mix GICv3 REDIST and REDIST_REGION"); + } /* * Set overlapping DIST / REDIST, cannot be detected here. Will be detected * on first vcpu run instead. */ - addr = 3 * 2 * 0x10000; - kvm_device_access(v->gic_fd, KVM_DEV_ARM_VGIC_GRP_ADDR, KVM_VGIC_V3_ADDR_TYPE_DIST, - &addr, true); + addr = rdist.size - rdist.alignment; + kvm_device_access(v->gic_fd, KVM_DEV_ARM_VGIC_GRP_ADDR, + dist.attr, &addr, true); } /* Test the new REDIST region API */ @@ -256,14 +298,14 @@ static void subtest_v3_redist_regions(struct vm_gic *v) * VGIC KVM device is created and initialized before the secondary CPUs * get created */ -static void test_v3_vgic_then_vcpus(uint32_t gic_dev_type) +static void test_vgic_then_vcpus(uint32_t gic_dev_type) { struct vm_gic v; int ret, i; v = vm_gic_create_with_vcpus(gic_dev_type, 1); - subtest_v3_dist_rdist(&v); + subtest_dist_rdist(&v); /* Add the rest of the VCPUs */ for (i = 1; i < NR_VCPUS; ++i) @@ -276,14 +318,14 @@ static void test_v3_vgic_then_vcpus(uint32_t gic_dev_type) } /* All the VCPUs are created before the VGIC KVM device gets initialized */ -static void test_v3_vcpus_then_vgic(uint32_t gic_dev_type) +static void test_vcpus_then_vgic(uint32_t gic_dev_type) { struct vm_gic v; int ret; v = vm_gic_create_with_vcpus(gic_dev_type, NR_VCPUS); - subtest_v3_dist_rdist(&v); + subtest_dist_rdist(&v); ret = run_vcpu(v.vm, 3); TEST_ASSERT(ret == -EINVAL, "dist/rdist overlap detected on 1st vcpu run"); @@ -552,9 +594,10 @@ int test_kvm_device(uint32_t gic_dev_type) void run_tests(uint32_t gic_dev_type) { + test_vcpus_then_vgic(gic_dev_type); + test_vgic_then_vcpus(gic_dev_type); + if (VGIC_DEV_IS_V3(gic_dev_type)) { - test_v3_vcpus_then_vgic(gic_dev_type); - test_v3_vgic_then_vcpus(gic_dev_type); test_v3_new_redist_regions(); test_v3_typer_accesses(); test_v3_last_bit_redist_regions(); -- 2.33.0.685.g46640cef36-goog _______________________________________________ kvmarm mailing list kvmarm@lists.cs.columbia.edu https://lists.cs.columbia.edu/mailman/listinfo/kvmarm