From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id E380DC4332F for ; Fri, 30 Sep 2022 10:21:23 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S231989AbiI3KVW (ORCPT ); Fri, 30 Sep 2022 06:21:22 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:33566 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S231407AbiI3KTB (ORCPT ); Fri, 30 Sep 2022 06:19:01 -0400 Received: from mga12.intel.com (mga12.intel.com [192.55.52.136]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 6C19D166F14; Fri, 30 Sep 2022 03:18:59 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1664533139; x=1696069139; h=from:to:cc:subject:date:message-id:in-reply-to: references:mime-version:content-transfer-encoding; bh=4vSZXqKi+VzUQ8Oss4q4ps8WZefdkIn/jIGxOEvEYF4=; b=gAeI49NO4KxURWbnIFS82Yjh305BEjOtRIJgcso/e83/zoH6uNiRUB6B 21X8RxnY+qoO/y0lWSIUsxnYWsTbEIe9aH5fZQKkfl0kzU3tVIP3daAZF yZ4PQPUXu6Yh3jmD9oqAG1dCje/d5CGRHnlZruHFPAIRDHiOkch3+lTXp y4ihjdQNLVWPznGtqgn8pbjoERrxtjjA2GVnpcyvueWb/gtu1A+SNUR10 GxjdMUm5TjG+nNhlBv3WEzonh8aeWwhqhw4QclbISXZ7G8lc83C/V6CiD 0IrwEPORvZmQKwYdR40+MXVnWaVXF8NOg5HtVn0OzNxxsboMej4yuJcc7 w==; X-IronPort-AV: E=McAfee;i="6500,9779,10485"; a="281870079" X-IronPort-AV: E=Sophos;i="5.93,358,1654585200"; d="scan'208";a="281870079" Received: from fmsmga002.fm.intel.com ([10.253.24.26]) by fmsmga106.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 30 Sep 2022 03:18:55 -0700 X-IronPort-AV: E=McAfee;i="6500,9779,10485"; a="726807583" X-IronPort-AV: E=Sophos;i="5.93,358,1654585200"; d="scan'208";a="726807583" Received: from ls.sc.intel.com (HELO localhost) ([143.183.96.54]) by fmsmga002-auth.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 30 Sep 2022 03:18:55 -0700 From: isaku.yamahata@intel.com To: kvm@vger.kernel.org, linux-kernel@vger.kernel.org Cc: isaku.yamahata@intel.com, isaku.yamahata@gmail.com, Paolo Bonzini , erdemaktas@google.com, Sean Christopherson , Sagi Shahar , Chao Peng Subject: [PATCH v9 025/105] KVM: TDX: Use private memory for TDX Date: Fri, 30 Sep 2022 03:17:19 -0700 Message-Id: <380563c808afef2260e601e3f761e050bd0ad964.1664530907.git.isaku.yamahata@intel.com> X-Mailer: git-send-email 2.25.1 In-Reply-To: References: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org From: Chao Peng Override kvm_arch_has_private_mem() to use fd-based private memory. Return true when a VM has a type of KVM_X86_TDX_VM. Signed-off-by: Chao Peng Signed-off-by: Isaku Yamahata --- arch/x86/kvm/x86.c | 5 +++++ 1 file changed, 5 insertions(+) diff --git a/arch/x86/kvm/x86.c b/arch/x86/kvm/x86.c index e1c35cbe0b77..5006ff5d9f5e 100644 --- a/arch/x86/kvm/x86.c +++ b/arch/x86/kvm/x86.c @@ -13588,6 +13588,11 @@ int kvm_sev_es_string_io(struct kvm_vcpu *vcpu, unsigned int size, } EXPORT_SYMBOL_GPL(kvm_sev_es_string_io); +bool kvm_arch_has_private_mem(struct kvm *kvm) +{ + return kvm->arch.vm_type == KVM_X86_TDX_VM; +} + EXPORT_TRACEPOINT_SYMBOL_GPL(kvm_entry); EXPORT_TRACEPOINT_SYMBOL_GPL(kvm_exit); EXPORT_TRACEPOINT_SYMBOL_GPL(kvm_fast_mmio); -- 2.25.1