From patchwork Tue Nov 5 06:23:44 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Xiaoyao Li X-Patchwork-Id: 13862444 Received: from mgamail.intel.com (mgamail.intel.com [198.175.65.18]) (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 5D7C81DB551 for ; Tue, 5 Nov 2024 06:38:57 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=198.175.65.18 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1730788738; cv=none; b=oSd5rJsZZS9u4c0qt6HnbXPWb5lHZegEWi+T2Qje4eQphGwGhfxmuLkeATeEdhl6aaErQPMHiowTDfWOE/15/yfclpCPj+ZAQ6rXjB0out0POEtfrZjj7TvvHDeXhT6z6nV0CkMU896EIPFVTtbKaMStnaWY4LmiJaPt09SERTU= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1730788738; c=relaxed/simple; bh=dyUD9Nwe8FsbgpcTWs2XG6l6cCFEI7AD/O96ORbLEfg=; h=From:To:Cc:Subject:Date:Message-Id:In-Reply-To:References: MIME-Version; b=m7hRVaMKiyuIhMgCWym66j0xTojJZRpF2ttS8FSY15dJEpQDAsQ9gTfFhMvTZHr7bPYC2rcUia28dRTX2bveJngQmqWX/cuye0ZP6SRJ20VNf5DK3BqDkmlZdHY43PAWp0REBtGXUyVsKxF7YMleDnxFLYXmzsz80hRpd/6SC1E= 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=XeCuNuiY; arc=none smtp.client-ip=198.175.65.18 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="XeCuNuiY" DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1730788737; x=1762324737; h=from:to:cc:subject:date:message-id:in-reply-to: references:mime-version:content-transfer-encoding; bh=dyUD9Nwe8FsbgpcTWs2XG6l6cCFEI7AD/O96ORbLEfg=; b=XeCuNuiYL5oNeXJ8cz5gJDTBIZSGYwVcniEABPVdjoT08/DE1mrEiX96 7M/OPfmS4H1n0RKMrdwp2Tt4K6CenvxI8jcHhKItiGWCDjDkH7uf3ZJKz cESBXvxjBe8rQn1BZeugnTcdeijJUo5qKz8Iug+GbeuVGRooQE3tP/xAq RokdypCCdBMup429wg8HJkRlKD/k4/AtNfIf6q2d/+EZp0eOx4FbsUCr+ YRw07ja5oGzGaevNJQn6NObrreRK8tqXaeYzl+KGaKvAPxVPtseaHaDhH zPftX7dyzQxXgSHAf69aQglmEXHHz+5Ezw2W7pXSQopavH8EOU9N6vkbx Q==; X-CSE-ConnectionGUID: xkDHaZeiQFWLdzsC46RXyA== X-CSE-MsgGUID: M0jUYzygTo+6jSkFrZR35w== X-IronPort-AV: E=McAfee;i="6700,10204,11222"; a="30689720" X-IronPort-AV: E=Sophos;i="6.11,199,1725346800"; d="scan'208";a="30689720" Received: from fmviesa009.fm.intel.com ([10.60.135.149]) by orvoesa110.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 04 Nov 2024 22:38:57 -0800 X-CSE-ConnectionGUID: nBw1klSbQS65rq8tQKhmxQ== X-CSE-MsgGUID: 0zbx6/jETtKRuCVPbc4Ycg== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="6.11,259,1725346800"; d="scan'208";a="83989408" Received: from lxy-clx-4s.sh.intel.com ([10.239.48.52]) by fmviesa009.fm.intel.com with ESMTP; 04 Nov 2024 22:38:53 -0800 From: Xiaoyao Li To: Paolo Bonzini , Riku Voipio , Richard Henderson , Zhao Liu , "Michael S. Tsirkin" , Marcel Apfelbaum , Igor Mammedov , Ani Sinha Cc: =?utf-8?q?Philippe_Mathieu-Daud=C3=A9?= , Yanan Wang , Cornelia Huck , =?utf-8?q?Daniel_P=2E_Berrang=C3=A9?= , Eric Blake , Markus Armbruster , Marcelo Tosatti , rick.p.edgecombe@intel.com, kvm@vger.kernel.org, qemu-devel@nongnu.org, xiaoyao.li@intel.com Subject: [PATCH v6 36/60] i386/tdx: Force exposing CPUID 0x1f Date: Tue, 5 Nov 2024 01:23:44 -0500 Message-Id: <20241105062408.3533704-37-xiaoyao.li@intel.com> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20241105062408.3533704-1-xiaoyao.li@intel.com> References: <20241105062408.3533704-1-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 289722a129ce..19ce90df4143 100644 --- a/target/i386/kvm/tdx.c +++ b/target/i386/kvm/tdx.c @@ -388,7 +388,11 @@ 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 void tdx_cpu_realizefn(X86ConfidentialGuest *cg, CPUState *cs,