From nobody Sat Nov 23 23:34:23 2024 Delivered-To: importer@patchew.org Authentication-Results: mx.zohomail.com; dkim=pass header.i=@intel.com; spf=pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) smtp.mailfrom=qemu-devel-bounces+importer=patchew.org@nongnu.org; dmarc=pass(p=none dis=none) header.from=intel.com ARC-Seal: i=1; a=rsa-sha256; t=1730789025; cv=none; d=zohomail.com; s=zohoarc; b=PsPYbjj/yFyfQZ2Fo5wiG62Y78m/zMEGTDMpT64sKiGsb6/j5W3SZdzGQKoWN/jrCpYgwIYympWu3EQoReWVFFXum5ycLyV0x9KbN62DLDZycpVGxkT1gAbhFEONDBn5Rkcs2dEwhmN9Au8Pyf8USRQh/HSh9YjqhGJmFh4Ch0c= ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=zohomail.com; s=zohoarc; t=1730789025; h=Content-Transfer-Encoding:Cc:Cc:Date:Date:From:From:In-Reply-To:List-Subscribe:List-Post:List-Id:List-Archive:List-Help:List-Unsubscribe:MIME-Version:Message-ID:References:Sender:Subject:Subject:To:To:Message-Id:Reply-To; bh=IljKA3d5tlztaaKXiLIfucsiTCg8wsYf0T29GDFQS4g=; b=VWPHAWlS5E3Wfux4O7jJW1o4zJPCaZJcgQgvTyQcdbThjkzAacG+mtIZ2A7qSbduSKQEBZ8ogWQtjuR5pUCH2UH+qujjLWp2sO+eUxQeBGMPr1UI4NSh18ozLJMftohw0NGGw9EhMsRhEz5ZfMW7TzmMycSak+hJsYmKohqwSvk= ARC-Authentication-Results: i=1; mx.zohomail.com; dkim=pass header.i=@intel.com; spf=pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) smtp.mailfrom=qemu-devel-bounces+importer=patchew.org@nongnu.org; dmarc=pass header.from= (p=none dis=none) Return-Path: Received: from lists.gnu.org (lists.gnu.org [209.51.188.17]) by mx.zohomail.com with SMTPS id 1730789025353238.64788651230526; Mon, 4 Nov 2024 22:43:45 -0800 (PST) Received: from localhost ([::1] helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1t8DDO-0008DX-EX; Tue, 05 Nov 2024 01:38:58 -0500 Received: from eggs.gnu.org ([2001:470:142:3::10]) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1t8DD3-0007U7-NE for qemu-devel@nongnu.org; Tue, 05 Nov 2024 01:38:38 -0500 Received: from mgamail.intel.com ([198.175.65.18]) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1t8DD1-0001vj-Bi for qemu-devel@nongnu.org; Tue, 05 Nov 2024 01:38:37 -0500 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 22:38:23 -0800 Received: from lxy-clx-4s.sh.intel.com ([10.239.48.52]) by fmviesa009.fm.intel.com with ESMTP; 04 Nov 2024 22:38:19 -0800 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1730788715; x=1762324715; h=from:to:cc:subject:date:message-id:in-reply-to: references:mime-version:content-transfer-encoding; bh=yTZNX+NQ5Q3yptqAX7/efQmRoNrRURBtZaK/2Teq53U=; b=QHB5L4XmfGlnU0sRpXAKdEb2awJCbNqlMkrALPT6EvFjhnNCISjEwFLS WX4emvncX7I/lKsOGgdV3iDy4YdOB3abuP9J1osHIvuH1OX0TNzaQPvlg +4ifuFm17tk8XxelbgKcxm5DgHHhsjWVm8HcwjQ4wJlNZYzubWdmgKHio j9swXG0CBShSq5uGuWeSdIxycPSVHcF9tUGn6cVBQFs9yJmIZSn4/MGFb tSZ2Pb6zXya+29NWzbBhHI860v7/VTxsp7/1eok0DX5V7dsLQP2f/7qSG /V490gypBxk9oD9oKyHcaLBOYKbpUrIsuWb9LN8+gqeayx/r/bikaKuBP A==; X-CSE-ConnectionGUID: 0ydHHBfaRw6qKh13/+JG4Q== X-CSE-MsgGUID: Je4kr+MxSsmSe4nL4UQ50A== X-IronPort-AV: E=McAfee;i="6700,10204,11222"; a="30689613" X-IronPort-AV: E=Sophos;i="6.11,199,1725346800"; d="scan'208";a="30689613" X-CSE-ConnectionGUID: BJdYU1grQeKHRWNJj1QRwA== X-CSE-MsgGUID: M0YwmNanRkGKH2IyrQ+pEw== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="6.11,259,1725346800"; d="scan'208";a="83989093" 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=20Mathieu-Daud=C3=A9?= , Yanan Wang , Cornelia Huck , =?UTF-8?q?Daniel=20P=2E=20Berrang=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 28/60] i386/tdx: Enable user exit on KVM_HC_MAP_GPA_RANGE Date: Tue, 5 Nov 2024 01:23:36 -0500 Message-Id: <20241105062408.3533704-29-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> MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable Received-SPF: pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) client-ip=209.51.188.17; envelope-from=qemu-devel-bounces+importer=patchew.org@nongnu.org; helo=lists.gnu.org; Received-SPF: pass client-ip=198.175.65.18; envelope-from=xiaoyao.li@intel.com; helo=mgamail.intel.com X-Spam_score_int: -39 X-Spam_score: -4.0 X-Spam_bar: ---- X-Spam_report: (-4.0 / 5.0 requ) BAYES_00=-1.9, DKIMWL_WL_HIGH=-0.34, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, HK_RANDOM_ENVFROM=0.001, HK_RANDOM_FROM=0.781, RCVD_IN_DNSWL_MED=-2.3, RCVD_IN_VALIDITY_CERTIFIED_BLOCKED=0.001, RCVD_IN_VALIDITY_RPBL_BLOCKED=0.001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001 autolearn=ham autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: qemu-devel-bounces+importer=patchew.org@nongnu.org Sender: qemu-devel-bounces+importer=patchew.org@nongnu.org X-ZohoMail-DKIM: pass (identity @intel.com) X-ZM-MESSAGEID: 1730789025859116600 Content-Type: text/plain; charset="utf-8" KVM translates TDG.VP.VMCALL to KVM_HC_MAP_GPA_RANGE, and QEMU needs to enable user exit on KVM_HC_MAP_GPA_RANGE in order to handle the memory conversion requested by TD guest. Signed-off-by: Xiaoyao Li --- changes in v6: - new patch; --- target/i386/kvm/tdx.c | 7 +++++++ 1 file changed, 7 insertions(+) diff --git a/target/i386/kvm/tdx.c b/target/i386/kvm/tdx.c index 33d7ed039051..b34707e93f4d 100644 --- a/target/i386/kvm/tdx.c +++ b/target/i386/kvm/tdx.c @@ -20,6 +20,8 @@ #include "sysemu/sysemu.h" #include "exec/ramblock.h" =20 +#include + #include "hw/i386/e820_memory_layout.h" #include "hw/i386/x86.h" #include "hw/i386/tdvf.h" @@ -362,6 +364,11 @@ static int tdx_kvm_init(ConfidentialGuestSupport *cgs,= Error **errp) } } =20 + /* TDX relies on KVM_HC_MAP_GPA_RANGE to handle TDG.VP.VMCALL = */ + if (!kvm_enable_hypercall(BIT_ULL(KVM_HC_MAP_GPA_RANGE))) { + return -EOPNOTSUPP; + } + qemu_add_machine_init_done_notifier(&tdx_machine_done_notify); =20 tdx_guest =3D tdx; --=20 2.34.1