From nobody Wed Dec 17 12:17:03 2025 Received: from mail-oa1-f73.google.com (mail-oa1-f73.google.com [209.85.160.73]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id C1D35359706 for ; Tue, 28 Oct 2025 21:21:17 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=209.85.160.73 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1761686481; cv=none; b=eAD3uCOVzywMLFUw4Wy8A1hbysK1tOi4fFWBzW+05I91PIDcvFjN6s9LIq8ussex0ey0Pu07h1yss7eNCvvni6akrEBSeCrK0deHXI98qwHCtRsQXJMAq/kYC04ng9BJpW60GOsEzh/WQFozIpsYjQv917q0VA1NFs9gd9y6AWQ= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1761686481; c=relaxed/simple; bh=qfaC2A7mPzRh1wHLGzIzthw0+fibjKOEou+mOk9ZG90=; h=Date:In-Reply-To:Mime-Version:References:Message-ID:Subject:From: To:Cc:Content-Type; b=KHB3rIIaLnAdD5kphXDTdlvFh7YCXhpqBg9EkpEhBm5o8m6IMkego7S7R5vwVNkCXce9UsBQ8uHLxWtIOjHf9ER9ZeywsF8PT/qdxKyGs/cvHdkDXQFSMiEYexEEut4N133DGFZyAbuYeUKk5n3UzRgLeZQ73BtMzbbybiKd4fw= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=pass (p=reject dis=none) header.from=google.com; spf=pass smtp.mailfrom=flex--sagis.bounces.google.com; dkim=pass (2048-bit key) header.d=google.com header.i=@google.com header.b=WjIt/cYh; arc=none smtp.client-ip=209.85.160.73 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=reject dis=none) header.from=google.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=flex--sagis.bounces.google.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=google.com header.i=@google.com header.b="WjIt/cYh" Received: by mail-oa1-f73.google.com with SMTP id 586e51a60fabf-3c96de7fdf3so9917928fac.1 for ; Tue, 28 Oct 2025 14:21:17 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=20230601; t=1761686477; x=1762291277; darn=vger.kernel.org; h=cc:to:from:subject:message-id:references:mime-version:in-reply-to :date:from:to:cc:subject:date:message-id:reply-to; bh=CS0IWmflrx758IAyyWQq7DhPqTRvRcCDsa+nQ4BIQi4=; b=WjIt/cYhRMQxSZ5dj4nZMe59IdNEzIK3M2gwoVZnS9HaVvnNAUGW41Dmo9hvB18AWi HojWpk0TsgiKE9Siofje5YOY9lCbKVmsoAfORCdmYWcolEV9wKIxKm1gJY1M1mjOwk6f qTrECfQcbjFFWAADt08y1udDkHzuQMlVStg+W3wqGaRuGPrfF+Gd3DN5YwcUbHH1hD8s oOiC2v6GK9p5yXyIxMUGsdBfZnZYEBoWvAzVCtRNNCFpF3LSQlvgAwQpZHzKY8/B/Vq5 TkBQTIgUmNXeAE15G5mIo2c4RWaklhfacDAlFNttebSREsUSU72ImvbyfFPcrPi2GkcA a0Iw== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1761686477; x=1762291277; h=cc:to:from:subject:message-id:references:mime-version:in-reply-to :date:x-gm-message-state:from:to:cc:subject:date:message-id:reply-to; bh=CS0IWmflrx758IAyyWQq7DhPqTRvRcCDsa+nQ4BIQi4=; b=rATqs5XrWY9l55K8TLKdU2fqSoL+6NH2975MYrGXn4fCk+bOieVNFe3J11ZPP4/GNw flScFQrCfyJRK5dYAFCm5e3Q3z+vRZfNmS4V84EIW+GKp4MfdHJl4W401TL2EjY+FHXB skd161Rrs/oyXJw8jbV4bJXHpQ90tEwrr66DjYFcjGgKeu07K4DqVJ77xGsy2/Ka37oZ ye/y3g+B5mtGcFFh80Z3VIUz2WdEI6L/yeMEB3+iJOnxtVpiRq03+jRMDNc2mnBoqGYJ eKF7krcFwg5GhWt+DAAT1Ss3VjiLqsFl7eCo6ly8DOSxT7H+2ra1RzNKVxo2jzmfjc2h NNEA== X-Gm-Message-State: AOJu0YyII1MRjc6YhKuJTA3HBIyFqZYDHG5J0N6xPajv2ddM/lMJY6H9 uUkIjcbxzVjwBfpHVvBcZ5E5lCqMECebXrrrYW5kv7ipUwyyo14XG7TXFJks4ReVYHwIxSPR5GD UdA== X-Google-Smtp-Source: AGHT+IH9FCcaXI/EKUJmw3moCTxbFHd52ZJluIjy8ghlVGUWeAZZptsgmg2AF7Kqcixt3CD2LMrRRymXIA== X-Received: from oabcr6.prod.google.com ([2002:a05:6870:ebc6:b0:3c9:a56f:e0b7]) (user=sagis job=prod-delivery.src-stubby-dispatcher) by 2002:a05:6871:6081:b0:3d2:f13:698c with SMTP id 586e51a60fabf-3d74b26bce8mr402771fac.32.1761686476891; Tue, 28 Oct 2025 14:21:16 -0700 (PDT) Date: Tue, 28 Oct 2025 21:20:49 +0000 In-Reply-To: <20251028212052.200523-1-sagis@google.com> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: Mime-Version: 1.0 References: <20251028212052.200523-1-sagis@google.com> X-Mailer: git-send-email 2.51.1.851.g4ebd6896fd-goog Message-ID: <20251028212052.200523-24-sagis@google.com> Subject: [PATCH v12 23/23] KVM: selftests: Add TDX lifecycle test From: Sagi Shahar To: linux-kselftest@vger.kernel.org, Paolo Bonzini , Shuah Khan , Sean Christopherson , Ackerley Tng , Ryan Afranji , Andrew Jones , Isaku Yamahata , Erdem Aktas , Rick Edgecombe , Sagi Shahar , Roger Wang , Binbin Wu , Oliver Upton , "Pratik R. Sampat" , Reinette Chatre , Ira Weiny , Chao Gao , Chenyi Qiang Cc: linux-kernel@vger.kernel.org, kvm@vger.kernel.org Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset="utf-8" Adding a test to verify TDX lifecycle by creating a simple TD. Signed-off-by: Sagi Shahar --------------------------------------------- Changes from v11: * Removed vm_tdx_create_with_one_vcpu and replaced the call site with vm_create_shape_with_one_vcpu --- tools/testing/selftests/kvm/Makefile.kvm | 1 + .../selftests/kvm/include/x86/processor.h | 1 + .../selftests/kvm/include/x86/tdx/tdx_util.h | 8 +++++ tools/testing/selftests/kvm/x86/tdx_vm_test.c | 33 +++++++++++++++++++ 4 files changed, 43 insertions(+) create mode 100644 tools/testing/selftests/kvm/x86/tdx_vm_test.c diff --git a/tools/testing/selftests/kvm/Makefile.kvm b/tools/testing/selft= ests/kvm/Makefile.kvm index b7a518d62098..2f49c8965df9 100644 --- a/tools/testing/selftests/kvm/Makefile.kvm +++ b/tools/testing/selftests/kvm/Makefile.kvm @@ -156,6 +156,7 @@ TEST_GEN_PROGS_x86 +=3D rseq_test TEST_GEN_PROGS_x86 +=3D steal_time TEST_GEN_PROGS_x86 +=3D system_counter_offset_test TEST_GEN_PROGS_x86 +=3D pre_fault_memory_test +TEST_GEN_PROGS_x86 +=3D x86/tdx_vm_test =20 # Compiled outputs used by test targets TEST_GEN_PROGS_EXTENDED_x86 +=3D x86/nx_huge_pages_test diff --git a/tools/testing/selftests/kvm/include/x86/processor.h b/tools/te= sting/selftests/kvm/include/x86/processor.h index dba2b3d558d1..7cd70ff15412 100644 --- a/tools/testing/selftests/kvm/include/x86/processor.h +++ b/tools/testing/selftests/kvm/include/x86/processor.h @@ -369,6 +369,7 @@ static inline unsigned int x86_model(unsigned int eax) #define VM_SHAPE_SEV VM_TYPE(KVM_X86_SEV_VM) #define VM_SHAPE_SEV_ES VM_TYPE(KVM_X86_SEV_ES_VM) #define VM_SHAPE_SNP VM_TYPE(KVM_X86_SNP_VM) +#define VM_SHAPE_TDX VM_TYPE(KVM_X86_TDX_VM) =20 /* Page table bitfield declarations */ #define PTE_PRESENT_MASK BIT_ULL(0) diff --git a/tools/testing/selftests/kvm/include/x86/tdx/tdx_util.h b/tools= /testing/selftests/kvm/include/x86/tdx/tdx_util.h index 2467b6c35557..f8e1c4d92a7a 100644 --- a/tools/testing/selftests/kvm/include/x86/tdx/tdx_util.h +++ b/tools/testing/selftests/kvm/include/x86/tdx/tdx_util.h @@ -11,6 +11,14 @@ static inline bool is_tdx_vm(struct kvm_vm *vm) return vm->type =3D=3D KVM_X86_TDX_VM; } =20 +/* + * Verify that TDX is supported by KVM. + */ +static inline bool is_tdx_enabled(void) +{ + return !!(kvm_check_cap(KVM_CAP_VM_TYPES) & BIT(KVM_X86_TDX_VM)); +} + /* * TDX ioctls */ diff --git a/tools/testing/selftests/kvm/x86/tdx_vm_test.c b/tools/testing/= selftests/kvm/x86/tdx_vm_test.c new file mode 100644 index 000000000000..a37ab0fb2a97 --- /dev/null +++ b/tools/testing/selftests/kvm/x86/tdx_vm_test.c @@ -0,0 +1,33 @@ +// SPDX-License-Identifier: GPL-2.0-only + +#include "processor.h" +#include "kvm_util.h" +#include "tdx/tdx_util.h" +#include "ucall_common.h" +#include "kselftest_harness.h" + +static void guest_code_lifecycle(void) +{ + GUEST_DONE(); +} + +TEST(verify_td_lifecycle) +{ + struct kvm_vcpu *vcpu; + struct kvm_vm *vm; + struct ucall uc; + + vm =3D vm_create_shape_with_one_vcpu(VM_SHAPE_TDX, &vcpu, + guest_code_lifecycle); + + vcpu_run(vcpu); + TEST_ASSERT_EQ(get_ucall(vcpu, &uc), UCALL_DONE); + + kvm_vm_free(vm); +} + +int main(int argc, char **argv) +{ + TEST_REQUIRE(is_tdx_enabled()); + return test_harness_run(argc, argv); +} --=20 2.51.1.851.g4ebd6896fd-goog