From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mgamail.intel.com (mgamail.intel.com [198.175.65.21]) (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 9668732AAD0 for ; Mon, 26 Jan 2026 10:00:52 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=198.175.65.21 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1769421653; cv=none; b=tFY2nxxH3Eldjwb5ds8kURzYXSyJw4VV6IJMtYq/4xvZKRCZUD3+0uvobOGVQ5Xx14/z4ww1/WHf6SKoGxIHMpLUD2JZ7JzIqJm0qIP7ZN/UYA2/GmVgDEOaizowWtW1k+WZoiaRshbmj+OChG2YtPqfb1Shgoylcns+cLGsa6A= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1769421653; c=relaxed/simple; bh=ndnaYHCyI4TxVcS4C8DczPPOEinTpAP1hbX/1JqkMhc=; h=Date:From:To:Cc:Subject:Message-ID:References:MIME-Version: Content-Type:Content-Disposition:In-Reply-To; b=Y4SQtJpQiI2582YGZXg2K6Wq72+HTnx75vTWdnnMZyIrSPkIHqvxmY7RTbyqbD9fxkisr6Qx6bOtnhPDGXCXzWnr6SSDWW2L3gmUOf47BDB+pYT1XMd7QqadSWB4QpEuLdrjt7oeHzSsqxrcHPDjZjicU1IOp/fmPiTeW2FchkQ= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=linux.intel.com; spf=pass smtp.mailfrom=linux.intel.com; dkim=pass (2048-bit key) header.d=intel.com header.i=@intel.com header.b=CyU93w6J; arc=none smtp.client-ip=198.175.65.21 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=linux.intel.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=linux.intel.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=intel.com header.i=@intel.com header.b="CyU93w6J" DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1769421653; x=1800957653; h=date:from:to:cc:subject:message-id:references: mime-version:in-reply-to; bh=ndnaYHCyI4TxVcS4C8DczPPOEinTpAP1hbX/1JqkMhc=; b=CyU93w6JtRI8+TBX1QdxvBFW5bnqHpSqtsBocgwsPGxlyjuDZoWUECvy VuT75/A+VLaBJIHNGGqi+wdXcfxLxbDF+vqcxRwxLYU2bh+DWjOYbUb3E VBGGJ/1U1/63HRcmP3ksLRBeZDVNY2ndSeWnjXqSY2dZLuXz9ZCtUBF9d wB5SUh9UGDS8UXnCFXR0ylVGY1wo7eXVYRXdGRtaCNc/Mu2UV4uw+TO1J 5uy17KSS4/C9vsh52W89qignrh23B4HqyHCmWvsPrvTFE/XbpRtWhdn47 liyV31aAbtwqLC+4SU3cJj7zvndN734GGNizugF6SNm98ORi+geFoaH0y Q==; X-CSE-ConnectionGUID: KeJ49XHPRwG8jiXewiBoQw== X-CSE-MsgGUID: gXrEosrnTAC+XvqoFScCQg== X-IronPort-AV: E=McAfee;i="6800,10657,11682"; a="70500397" X-IronPort-AV: E=Sophos;i="6.21,254,1763452800"; d="scan'208";a="70500397" Received: from orviesa003.jf.intel.com ([10.64.159.143]) by orvoesa113.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 26 Jan 2026 02:00:52 -0800 X-CSE-ConnectionGUID: ciSC7b/KSU28GcYumNlyaw== X-CSE-MsgGUID: GoGPMc5ATme69a122gF5nQ== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="6.21,254,1763452800"; d="scan'208";a="211733464" Received: from krybak-mobl1.ger.corp.intel.com (HELO localhost) ([10.245.246.55]) by ORVIESA003-auth.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 26 Jan 2026 02:00:44 -0800 Date: Mon, 26 Jan 2026 12:00:40 +0200 From: Tony Lindgren To: Chao Gao Cc: linux-coco@lists.linux.dev, linux-kernel@vger.kernel.org, kvm@vger.kernel.org, x86@kernel.org, reinette.chatre@intel.com, ira.weiny@intel.com, kai.huang@intel.com, dan.j.williams@intel.com, yilun.xu@linux.intel.com, sagis@google.com, vannapurve@google.com, paulmck@kernel.org, nik.borisov@suse.com, zhenzhong.duan@intel.com, seanjc@google.com, rick.p.edgecombe@intel.com, kas@kernel.org, dave.hansen@linux.intel.com, vishal.l.verma@intel.com, Farrah Chen , Thomas Gleixner , Ingo Molnar , Borislav Petkov , "H. Peter Anvin" Subject: Re: [PATCH v3 10/26] coco/tdx-host: Implement FW_UPLOAD sysfs ABI for TDX Module updates Message-ID: References: <20260123145645.90444-1-chao.gao@intel.com> <20260123145645.90444-11-chao.gao@intel.com> Precedence: bulk X-Mailing-List: linux-coco@lists.linux.dev List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20260123145645.90444-11-chao.gao@intel.com> On Fri, Jan 23, 2026 at 06:55:18AM -0800, Chao Gao wrote: > The firmware upload framework provides a standard mechanism for firmware > updates by allowing device drivers to expose sysfs interfaces for > user-initiated updates. > > Register with this framework to expose sysfs interfaces for TDX Module > updates and implement operations to process data blobs supplied by > userspace. Reviewed-by: Tony Lindgren