From patchwork Sun Oct 30 06:23:23 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Isaku Yamahata X-Patchwork-Id: 13024960 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 DB1A6FA373D for ; Sun, 30 Oct 2022 06:31:09 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S231370AbiJ3GbI (ORCPT ); Sun, 30 Oct 2022 02:31:08 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:57556 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S230464AbiJ3G3k (ORCPT ); Sun, 30 Oct 2022 02:29:40 -0400 Received: from mga05.intel.com (mga05.intel.com [192.55.52.43]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id B168D33F; Sat, 29 Oct 2022 23:24:47 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1667111087; x=1698647087; h=from:to:cc:subject:date:message-id:in-reply-to: references:mime-version:content-transfer-encoding; bh=WudwhLKpm6+sj0md1RnElvGL9BNFi0c26OmHP/0eVm4=; b=ChN4CBjE9xf493v4op0BGibWSdPyTEVD97lGfzKssanIDo/vsccIvkvc JVQYwm46VQWWqWxQKsVYAMAXIXR3NqSmVsBtIL53Tpa5s5W9OtsQUFeee OwXEDRolbzf45HvDiZyECQXOmE0EcuIOUsg2C/A5iVEluNxhmZvRQ5F8p aN8b6YoT0StxgiQE5K9EO2xDvDxHZJ5qv9g6eoF4LslfZ+j7KMOx7nlz8 y5JJfHBfiz4J95Hl1OQOZrxdMKIj7yqHrx4GCW23coDJbrjPo47jJr9YF f+Sb2nV9yHYPVKMmopNvmfXiT3rQsjxOBZ+9lsBJknjHeqsaJZTl3eptV Q==; X-IronPort-AV: E=McAfee;i="6500,9779,10515"; a="395037195" X-IronPort-AV: E=Sophos;i="5.95,225,1661842800"; d="scan'208";a="395037195" Received: from fmsmga006.fm.intel.com ([10.253.24.20]) by fmsmga105.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 29 Oct 2022 23:24:11 -0700 X-IronPort-AV: E=McAfee;i="6500,9779,10515"; a="878393107" X-IronPort-AV: E=Sophos;i="5.95,225,1661842800"; d="scan'208";a="878393107" Received: from ls.sc.intel.com (HELO localhost) ([143.183.96.54]) by fmsmga006-auth.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 29 Oct 2022 23:24:11 -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 , David Matlack Subject: [PATCH v10 082/108] KVM: TDX: Implements vcpu request_immediate_exit Date: Sat, 29 Oct 2022 23:23:23 -0700 Message-Id: <6901f181c0bfb99a8f675fdffc6429559edb5732.1667110240.git.isaku.yamahata@intel.com> X-Mailer: git-send-email 2.25.1 In-Reply-To: References: MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: kvm@vger.kernel.org From: Isaku Yamahata Now we are able to inject interrupts into TDX vcpu, it's ready to block TDX vcpu. Wire up kvm x86 methods for blocking/unblocking vcpu for TDX. To unblock on pending events, request immediate exit methods is also needed. Signed-off-by: Isaku Yamahata Reviewed-by: Paolo Bonzini --- arch/x86/kvm/vmx/main.c | 10 +++++++++- 1 file changed, 9 insertions(+), 1 deletion(-) diff --git a/arch/x86/kvm/vmx/main.c b/arch/x86/kvm/vmx/main.c index 13ad1278bef2..3e9007a7edfb 100644 --- a/arch/x86/kvm/vmx/main.c +++ b/arch/x86/kvm/vmx/main.c @@ -319,6 +319,14 @@ static void vt_enable_irq_window(struct kvm_vcpu *vcpu) vmx_enable_irq_window(vcpu); } +static void vt_request_immediate_exit(struct kvm_vcpu *vcpu) +{ + if (is_td_vcpu(vcpu)) + return __kvm_request_immediate_exit(vcpu); + + vmx_request_immediate_exit(vcpu); +} + static int vt_mem_enc_ioctl(struct kvm *kvm, void __user *argp) { if (!is_td(kvm)) @@ -446,7 +454,7 @@ struct kvm_x86_ops vt_x86_ops __initdata = { .check_intercept = vmx_check_intercept, .handle_exit_irqoff = vmx_handle_exit_irqoff, - .request_immediate_exit = vmx_request_immediate_exit, + .request_immediate_exit = vt_request_immediate_exit, .sched_in = vt_sched_in,