From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mail-io1-f74.google.com (mail-io1-f74.google.com [209.85.166.74]) (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 40B21357A57 for ; Tue, 28 Oct 2025 21:21:10 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=209.85.166.74 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1761686473; cv=none; b=Oafby/4aRUrBPRXDjhHlVowwsOzEgNu+6xq3KJN1ShDcnZRjMj06TvQqLPJWeBKQrllve0A/cWkdzvuKJYx0lbcjcDmUUyQMkVqTP5Z7A6WVrRhcQyu/uJeGy+3fvJmBMnBIJ3v1683403v67cgFx2ieiGw6oqqYTEMoCM8p9Zg= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1761686473; c=relaxed/simple; bh=GD8RpuEVFGCL+XuV4adFosheQV6HDq3yOqYf0EYNM+E=; h=Date:In-Reply-To:Mime-Version:References:Message-ID:Subject:From: To:Cc:Content-Type; b=q6GJMtPqLyxRH+Sg6gkfoK0msPgBMqB0odE3/lVWsrcZ/dhtLQZBnq/WArBatl12OOprUZgVu9iYnceQJNwyVanbGXOnj3+XBhBQS8WNV0SoWXEENXpBdgJM+mssTwJ+d6q2iWVZDTxZdOUjW2k7ROR3N6tFYhaTXY9ERHnx3aQ= 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=ZBjmAsmD; arc=none smtp.client-ip=209.85.166.74 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="ZBjmAsmD" Received: by mail-io1-f74.google.com with SMTP id ca18e2360f4ac-940e4cf730aso2020598739f.1 for ; Tue, 28 Oct 2025 14:21:10 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=20230601; t=1761686470; x=1762291270; 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=CmNxfYa4zbG7utcl3tEiG2lWhptjnWh39yF9cxazXJA=; b=ZBjmAsmDscIFPArqdHX5XLZBjP1LA8Dkw2kg5FCrNZea82FNTor1SUwDG8SSJ5iDw2 8OSaPilvIpCG6IB3TsCmBLAC7wq5zWcfUWKOZtsZAd6iH1Aqo4odW84R1/y2VgmgNJ3j LGzBqfrgxKVxPx0ggejgpDr0E4IzpZkzoyfk4M2Q5HOiva6vC1/xZf8sxXq1QoLl831r CMZ2A9KhZsVEpfjQ4/j6SddzkY9m7DQHOOg0nYqRWUCuYkrpADuL9NHRplUgqixzffKZ 99mlvkrsoChk1vye5MycPVOxtQwpeq9pLsotHGtnuSClZAM7WIesUFkScakenv3olaQl kYqg== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1761686470; x=1762291270; 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=CmNxfYa4zbG7utcl3tEiG2lWhptjnWh39yF9cxazXJA=; b=VNzTap4csVvwcB5ALqMXvRO7+w7HHfzKckLH1fnI/5z8869/ePntZ5ehiHUccn52+7 l1aVECOSaqbH1Oz4NGhWeJMd3sEjiSxBa9IXqzdXsJQrFUwUZzvlPfy6PEyIVEkH5de5 JpxvhiwL0gfzR5IC7Dl/s7FzhxHx9v8IJDejEyFUOz/ZPEkSDUUOaofne5N7vv6q/8C9 MbsJZou/t7Kc1AF5nFwPdtMuk7D9locOy/xfV1TnhCOpYC9TQ4ZDsDZbvmT+VHZWHxsE XoUAk9S4GKpKIuRadcYc2qxB2UB0ndhevG1mk6N83uohC3UstqHuxAdCiuc5/SbGe3qG wL7g== X-Gm-Message-State: AOJu0Yxd089+bLJdd+Uh+gsI1Dy0O0F5gAxyYb+7g5CWvCENR2z5wIZX IX5d2FlW7GieStajD4mV8qOG668qABU1Obzo+uxzhysZltGzb11uaeaG8VEQyOQgcv7TZDFcAIO 5L5n9DCHWI853Zk1haf2SMF9nfH5sU7Gb5L4+d4aG/zNk9YhaV80T0YD8hkjaymykpvecfmjZ0s KKXGO01HAqp2sl1LIniBfHEQIy6bT+e3bpmm5p+zaMWSc= X-Google-Smtp-Source: AGHT+IENgvHr4RL1+a3zLcwxL/tyV+1AiIQfR4t+3Nsc1jQj6XZAwYUcTnvjsmwnZ44L3G0mI/LMYjwpkQ== X-Received: from iobbi12.prod.google.com ([2002:a05:6602:358c:b0:945:ab36:29ab]) (user=sagis job=prod-delivery.src-stubby-dispatcher) by 2002:a05:6602:6d04:b0:93e:8bfb:726a with SMTP id ca18e2360f4ac-945c9898ab3mr141556239f.18.1761686470077; Tue, 28 Oct 2025 14:21:10 -0700 (PDT) Date: Tue, 28 Oct 2025 21:20:41 +0000 In-Reply-To: <20251028212052.200523-1-sagis@google.com> Precedence: bulk X-Mailing-List: linux-kselftest@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: <20251028212052.200523-16-sagis@google.com> Subject: [PATCH v12 15/23] KVM: selftests: Call TDX init when creating a new TDX vm 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-Type: text/plain; charset="UTF-8" TDX VMs need to issue the KVM_TDX_INIT_VM ioctl after VM creation to initialize the TD. This ioctl also sets the cpuids and attributes for the VM. At this point we can also set the common boot parameters such as CR3, CR4, etc. These parameters will get copied to the relevant registers by the TD boot code trampoline. Signed-off-by: Sagi Shahar --------------------------------------------- Changes from v10: * The call to vm_tdx_load_common_boot_parameters() was accidently dropped as part of the refactor from v9 to v10. I re-added it here. --- tools/testing/selftests/kvm/lib/x86/processor.c | 5 +++++ 1 file changed, 5 insertions(+) diff --git a/tools/testing/selftests/kvm/lib/x86/processor.c b/tools/testing/selftests/kvm/lib/x86/processor.c index 5f75bd48623b..990f2769c5d8 100644 --- a/tools/testing/selftests/kvm/lib/x86/processor.c +++ b/tools/testing/selftests/kvm/lib/x86/processor.c @@ -676,6 +676,11 @@ void kvm_arch_vm_post_create(struct kvm_vm *vm, unsigned int nr_vcpus) vm_sev_ioctl(vm, KVM_SEV_INIT2, &init); } + if (is_tdx_vm(vm)) { + vm_tdx_init_vm(vm, 0); + vm_tdx_load_common_boot_parameters(vm); + } + r = __vm_ioctl(vm, KVM_GET_TSC_KHZ, NULL); TEST_ASSERT(r > 0, "KVM_GET_TSC_KHZ did not provide a valid TSC frequency."); guest_tsc_khz = r; -- 2.51.1.851.g4ebd6896fd-goog