From mboxrd@z Thu Jan 1 00:00:00 1970 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 650AB154452; Mon, 15 Apr 2024 21:04:23 +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=1713215065; cv=none; b=cK8mszBGXkZWw2rS8hFrkGkFWwrXDHm1sjN0iI2xJsdiXkuWGztV6ZxNZCfjoND4ZitxvPv0L6E7hibJ4nrz4ziVlqeiGv6iPZ3t38iewtBK1sG0E8Dz76RAVhWvcsLn03OSzrPUfDYVLeLbn1SSulj7GQssZYzKmU9cBtfqcBw= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1713215065; c=relaxed/simple; bh=VpPrKnE1wFfYyYjI+JUAov+nmTrCKmnuaVcVs7IYrWI=; h=Date:From:To:Cc:Subject:Message-ID:References:MIME-Version: Content-Type:Content-Disposition:In-Reply-To; b=qmkCwf0M3vzBImqNbTaA/cqfLeQRPfNinW5c/FXR0+O7sDu+qFkcw3Giud3j7l261qLlA8Ztd4eGLNmtw6AEyMCHkOa8aKhUstJCB4gJjwQmTgUXdKXhkpcFlBsPy+hVhqjfWDNPA/hcNo7/moJawSczr4gBC5cZa4quEfchtEk= 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=BDwMsiy0; 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="BDwMsiy0" DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1713215063; x=1744751063; h=date:from:to:cc:subject:message-id:references: mime-version:content-transfer-encoding:in-reply-to; bh=VpPrKnE1wFfYyYjI+JUAov+nmTrCKmnuaVcVs7IYrWI=; b=BDwMsiy0qMv8EadcMCgoT/cW4uuKzSQQKQIK5W/VKt+6OaDsODn3xVV/ V6dhpM89j8IA2dK44y3khVU8djxXJJIscE6Udgv66JyAE8feckD9pWzkq quDhSZvoGIdAaW3RlPNSa/NukmQ8t7OCQlRHkF/SFkAnmk+mgzRBGFGMo vIVWa6JbUVy85rpEyUfgjvn0I39RPlzEx5+IV+D+4NHjAjjtw9WKVIEIb l6WjSDd3ULRdYp4axAnZoIWuk5A3hIyzLvwo6tAMrBNh0yQ7NdYIeMapP INNBNqgZqCQZ5PWPvM1k8GeqN1QLYf3Xiuf72T1MHrUQ+AQZgdcI3gpIa Q==; X-CSE-ConnectionGUID: BswEnQteQV6icV7abXBqcA== X-CSE-MsgGUID: cgr6bRbvQVyjaI66husH1Q== X-IronPort-AV: E=McAfee;i="6600,9927,11045"; a="19777620" X-IronPort-AV: E=Sophos;i="6.07,203,1708416000"; d="scan'208";a="19777620" Received: from orviesa002.jf.intel.com ([10.64.159.142]) by orvoesa105.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 15 Apr 2024 14:04:22 -0700 X-CSE-ConnectionGUID: wdffhhFcT7OeJ0YYEK1nTA== X-CSE-MsgGUID: Apb0PJ5FSi2E4qA8FJDV0A== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="6.07,203,1708416000"; d="scan'208";a="52982151" Received: from ls.sc.intel.com (HELO localhost) ([172.25.112.31]) by orviesa002-auth.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 15 Apr 2024 14:04:23 -0700 Date: Mon, 15 Apr 2024 14:04:21 -0700 From: Isaku Yamahata To: "Edgecombe, Rick P" Cc: "Li, Xiaoyao" , "Yamahata, Isaku" , "davidskidmore@google.com" , "seanjc@google.com" , "linux-kernel@vger.kernel.org" , "srutherford@google.com" , "kvm@vger.kernel.org" , "pankaj.gupta@amd.com" , "Wang, Wei W" , "isaku.yamahata@linux.intel.com" Subject: Re: [ANNOUNCE] PUCK Notes - 2024.04.03 - TDX Upstreaming Strategy Message-ID: <20240415210421.GR3039520@ls.amr.corp.intel.com> References: <4ae4769a6f343a2f4d3648e4348810df069f24b7.camel@intel.com> <2c11bb62-874e-4e9e-89b1-859df5b560bc@intel.com> <437e0da5de22c0a1e77e25fcb7ebb1f052fef754.camel@intel.com> <19a0f47e-6840-42f8-b200-570a9aa7455d@intel.com> <20240412173935.GH3039520@ls.amr.corp.intel.com> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Disposition: inline Content-Transfer-Encoding: 8bit In-Reply-To: On Fri, Apr 12, 2024 at 08:05:44PM +0000, "Edgecombe, Rick P" wrote: > > We can use device attributes as discussed at > > https://lore.kernel.org/kvm/CABgObfZzkNiP3q8p=KpvvFnh8m6qcHX4=tATaJc7cvVv2QWpJQ@mail.gmail.com/ > > https://lore.kernel.org/kvm/20240404121327.3107131-6-pbonzini@redhat.com/ > > > > Something like > > > > #define KVM_X86_GRP_TDX         2 > > ioctl(fd, KVM_GET_DEVICE_ATTR, (KVM_X86_GRP_TDX, metadata_field_id)) > > This would be instead of ATTRIBUTES and XFAM? This is to replace KVM_TDX_CAPABILITIES. -- Isaku Yamahata