From nobody Thu Oct 2 01:01:47 2025 Received: from mail-pf1-f201.google.com (mail-pf1-f201.google.com [209.85.210.201]) (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 BA1D431BCB5 for ; Thu, 25 Sep 2025 17:29:19 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=209.85.210.201 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1758821361; cv=none; b=NBXIYLLE9yZHomCLLTYAl5fVAa2mW9+pbd6IbLI3gqrzkqruz6S+FOnxIHfjjQ+AQQS5eh8xE5qKecsVbbOCd+0/qyVYZnt4Hqaz93uGFjm9kS4sGsc2vOeF+yw5GNs6Sdch8oVCOVIhAPi+JgtQ/tSmxMP1DcV4axlujovQRCI= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1758821361; c=relaxed/simple; bh=kyNUo03VHcUtqgem5Ure2zDndq9TR63HAvb7v0MESQ8=; h=Date:In-Reply-To:Mime-Version:References:Message-ID:Subject:From: To:Cc:Content-Type; b=Uz1M2Cyc93/gV8ZtJhsahfQFFcmR772TghLSH59fx+KrZX0ABSz6cIOJKxi8l9kbVZ4Pr59uUsfCuryeZ8dA5fWSSvbl9O/HhX3/glb3GYy6oJSzcRl4/2X7rT7oYkw+jsjK6NpN1LP1OksDdnxN6oZuWBjJSP8IA+B6KtdoBKM= 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=phqyScAG; arc=none smtp.client-ip=209.85.210.201 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="phqyScAG" Received: by mail-pf1-f201.google.com with SMTP id d2e1a72fcca58-78104c8c8ddso824955b3a.2 for ; Thu, 25 Sep 2025 10:29:19 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=20230601; t=1758821359; x=1759426159; 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=3MAW67C+26Du9WD+afvdTUdsrfWFPaXzJwetR1H+pT8=; b=phqyScAGkUBL9wXzNie4OEXIrmTcV42jIoB6IEB0Sq1H+T0wUvuThPoMB6GJYM5Tab x+dvPcOT7vIGFdraHA2cylqsnLeCORas9YDvcC57qDiSVl/WXRFfky5yup6rT4vAmuzD u23tLucbiGZQKi9e+eDw2tjKh1BCzxHU754xw6Fr9Cmv20LAFlMCh76mu+VxA30USd4n PXx1PtblsY2rHhVGKkjRUyf7w81o9/j05AWMXQZltuxd65DuJQ8z/aG27SLBVA0zgMSx Mizz/VALe6ZbjB1WxImhRP8QJ/E3J0ay86Indn/NGTov7RgoSi9UgNdWe6jELyRY0yXu cHdw== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1758821359; x=1759426159; 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=3MAW67C+26Du9WD+afvdTUdsrfWFPaXzJwetR1H+pT8=; b=l4AP5ye2akIsY4x8SIGt7r4/lyklFPEs/8hUtSWxTxxaVQhxkEosZOQu3Ax6pA9Uf3 h+qR72NFiaxeRG0uYBsum7SdFYXsQAU6meaCk+fGTPaf5dpW6fAmeKQpItkG5bG6JaUF XiXb8o3zBv+aaYLCqZxdLXCiqocC8Bw/34Es/M/2zus+G41F4so6lmSuXuRjUaj/VF8P 7aUFjDaqaTBSl4YTZI160Gx9MWO82596iBg9ED+aIi54dbmuh3rlFz2hRnb9AgtkAfQI 4Gp/KIsnN0+VMp0xxw/nJw3IPS1HIplUFFlTOJK3ixWB8B3vkXcQFfaJ5CpyrP2R8ye+ Y1Bw== X-Gm-Message-State: AOJu0Yx6z64Ja88QN0CrAFQ5FR3JdIiuPcfRjLIHgLPHtypF04+FKFTO KLQ2wc7qnxjT/iHcUUFpLRMl+F6wrOQmY82MW6KhdlavXE3zO5qM2ehATlB59o3EDVF7Rx0iJit Glw== X-Google-Smtp-Source: AGHT+IGwUeh3R66fQdhA9+GehJSHKHpxVELu+AiwXNl9uAO8pVVzXP1LD+WHAVUHsIgABaveFX8UT5GZaw== X-Received: from pfbk26.prod.google.com ([2002:a05:6a00:b01a:b0:77f:5efe:2d71]) (user=sagis job=prod-delivery.src-stubby-dispatcher) by 2002:aa7:8895:0:b0:77f:449f:66b0 with SMTP id d2e1a72fcca58-780fcee0494mr5488295b3a.32.1758821359006; Thu, 25 Sep 2025 10:29:19 -0700 (PDT) Date: Thu, 25 Sep 2025 10:28:40 -0700 In-Reply-To: <20250925172851.606193-1-sagis@google.com> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: Mime-Version: 1.0 References: <20250925172851.606193-1-sagis@google.com> X-Mailer: git-send-email 2.51.0.536.g15c5d4f767-goog Message-ID: <20250925172851.606193-13-sagis@google.com> Subject: [PATCH v11 12/21] KVM: selftests: TDX: Use KVM_TDX_CAPABILITIES to validate TDs' attribute configuration 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" From: Isaku Yamahata Make sure that all the attributes enabled by the test are reported as supported by the TDX module. This also exercises the KVM_TDX_CAPABILITIES ioctl. Signed-off-by: Isaku Yamahata Co-developed-by: Sagi Shahar Signed-off-by: Sagi Shahar --- tools/testing/selftests/kvm/lib/x86/tdx/tdx_util.c | 14 ++++++++++++++ 1 file changed, 14 insertions(+) diff --git a/tools/testing/selftests/kvm/lib/x86/tdx/tdx_util.c b/tools/tes= ting/selftests/kvm/lib/x86/tdx/tdx_util.c index 7a622b4810b1..2551b3eac8f8 100644 --- a/tools/testing/selftests/kvm/lib/x86/tdx/tdx_util.c +++ b/tools/testing/selftests/kvm/lib/x86/tdx/tdx_util.c @@ -231,6 +231,18 @@ static void vm_tdx_filter_cpuid(struct kvm_vm *vm, free(tdx_cap); } =20 +static void tdx_check_attributes(struct kvm_vm *vm, uint64_t attributes) +{ + struct kvm_tdx_capabilities *tdx_cap; + + tdx_cap =3D tdx_read_capabilities(vm); + + /* Make sure all the attributes are reported as supported */ + TEST_ASSERT_EQ(attributes & tdx_cap->supported_attrs, attributes); + + free(tdx_cap); +} + void vm_tdx_init_vm(struct kvm_vm *vm, uint64_t attributes) { struct kvm_tdx_init_vm *init_vm; @@ -250,6 +262,8 @@ void vm_tdx_init_vm(struct kvm_vm *vm, uint64_t attribu= tes) memcpy(&init_vm->cpuid, cpuid, kvm_cpuid2_size(cpuid->nent)); free(cpuid); =20 + tdx_check_attributes(vm, attributes); + init_vm->attributes =3D attributes; =20 vm_tdx_vm_ioctl(vm, KVM_TDX_INIT_VM, 0, init_vm); --=20 2.51.0.536.g15c5d4f767-goog