From patchwork Fri Jan 24 13:20:28 2025 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Xiaoyao Li X-Patchwork-Id: 13949422 Received: from mgamail.intel.com (mgamail.intel.com [198.175.65.13]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 72558200CB for ; Fri, 24 Jan 2025 13:39:03 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=198.175.65.13 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1737725944; cv=none; b=AU4nFtR76T2rjGIRAwr9QDdlLfuJh+DxPLuF1qd5AnLTqzQPAUb2KFAfmExhGs5NJ5gKpVmopOIufscpSXDdY2EWW2IChRd+ZctxEaE0taw9qwtsE64VRHeEXAD997TTVjcMeap4SrTtG9Dt/4x2Vqxky4bKOxTAVpifpE3NSCc= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1737725944; c=relaxed/simple; bh=gvdGEGL02d6aKTIMX6p6dptSfxOU4tPyFWKuZUDDD8w=; h=From:To:Cc:Subject:Date:Message-Id:In-Reply-To:References: MIME-Version; b=s3vOTiqwAgWyHOoaeZLDwxUouwWIYsy+xN2ObNRf+2XGmT9YTSIKY2e7+w+P+WbQkcnr07+0shlaz/llLHjkERT1hCf+INVmFBnDQPR534ZtC3suj+KFEWB9gMG17fkrFaXj0eTk0vemqSjOeVFh+USrqgtjQvnX1aEqZiq7+nM= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=intel.com; spf=pass smtp.mailfrom=intel.com; dkim=pass (2048-bit key) header.d=intel.com header.i=@intel.com header.b=jLTrSpwI; arc=none smtp.client-ip=198.175.65.13 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=intel.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=intel.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=intel.com header.i=@intel.com header.b="jLTrSpwI" DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1737725944; x=1769261944; h=from:to:cc:subject:date:message-id:in-reply-to: references:mime-version:content-transfer-encoding; bh=gvdGEGL02d6aKTIMX6p6dptSfxOU4tPyFWKuZUDDD8w=; b=jLTrSpwIV8sBnM0PcGCnzF46mXRbK7orDpgPTCxiS8by2EARF0ZsTWg8 8SXdehK6OJ5Huim7wY6aRyaXFx5ypeZBUBEPLf4ZYWuexgnNWqt66Gl5Z 8wZ8co/0efAzQuf2AG6SdbjctOHyL/tX14TlowE60PWZsnYom2K+vbLCP 5u0TLhV7OW0IEZcjQ3orOe/GS9ZV5C/1SRc1QjGe9bHFtT1jnISiUPBxy RqMh/BIlYSCayRS5VHbkBfOUsLduIVzUc+GiRzicOZHr9690plKfr+qO1 K2x6NsrpQm9dznLTSeJUqHY1TePA87C4sIqWUxWhxxdcoaV90GXclAaJz w==; X-CSE-ConnectionGUID: leYaUTfKReii/edbeF37Dg== X-CSE-MsgGUID: pwAzWP4gQn66z7Xg5NKZmg== X-IronPort-AV: E=McAfee;i="6700,10204,11325"; a="49246489" X-IronPort-AV: E=Sophos;i="6.13,231,1732608000"; d="scan'208";a="49246489" Received: from fmviesa003.fm.intel.com ([10.60.135.143]) by orvoesa105.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 24 Jan 2025 05:39:04 -0800 X-CSE-ConnectionGUID: q6lwtWH5Sf2lGTLnpusrCg== X-CSE-MsgGUID: BrGUpB9IS+KCu6ES9ZYanA== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="6.12,224,1728975600"; d="scan'208";a="111804393" Received: from lxy-clx-4s.sh.intel.com ([10.239.48.52]) by fmviesa003.fm.intel.com with ESMTP; 24 Jan 2025 05:38:59 -0800 From: Xiaoyao Li To: Paolo Bonzini , =?utf-8?q?Daniel_P=2E_Berrang=C3=A9?= , =?utf-8?q?Phil?= =?utf-8?q?ippe_Mathieu-Daud=C3=A9?= , Igor Mammedov Cc: Zhao Liu , "Michael S. Tsirkin" , Eric Blake , Markus Armbruster , Peter Maydell , Marcelo Tosatti , Huacai Chen , Rick Edgecombe , Francesco Lavra , xiaoyao.li@intel.com, qemu-devel@nongnu.org, kvm@vger.kernel.org Subject: [PATCH v7 32/52] i386/tdx: Force exposing CPUID 0x1f Date: Fri, 24 Jan 2025 08:20:28 -0500 Message-Id: <20250124132048.3229049-33-xiaoyao.li@intel.com> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20250124132048.3229049-1-xiaoyao.li@intel.com> References: <20250124132048.3229049-1-xiaoyao.li@intel.com> Precedence: bulk X-Mailing-List: kvm@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 TDX uses CPUID 0x1f to configure TD guest's CPU topology. So set enable_cpuid_0x1f for TDs. Signed-off-by: Xiaoyao Li --- target/i386/kvm/tdx.c | 4 ++++ 1 file changed, 4 insertions(+) diff --git a/target/i386/kvm/tdx.c b/target/i386/kvm/tdx.c index 12c1c2503845..982ed779df4a 100644 --- a/target/i386/kvm/tdx.c +++ b/target/i386/kvm/tdx.c @@ -398,7 +398,11 @@ static int tdx_kvm_type(X86ConfidentialGuest *cg) static void tdx_cpu_instance_init(X86ConfidentialGuest *cg, CPUState *cpu) { + X86CPU *x86cpu = X86_CPU(cpu); + object_property_set_bool(OBJECT(cpu), "pmu", false, &error_abort); + + x86cpu->enable_cpuid_0x1f = true; } static int tdx_validate_attributes(TdxGuest *tdx, Error **errp)