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 X-Spam-Level: X-Spam-Status: No, score=-18.3 required=3.0 tests=BAYES_00,DKIMWL_WL_MED, DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_PATCH,MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED, USER_IN_DEF_DKIM_WL autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 26B22C433B4 for ; Tue, 27 Apr 2021 22:04:55 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 076DC613FC for ; Tue, 27 Apr 2021 22:04:55 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S237121AbhD0WFh (ORCPT ); Tue, 27 Apr 2021 18:05:37 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:43236 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S236965AbhD0WFf (ORCPT ); Tue, 27 Apr 2021 18:05:35 -0400 Received: from mail-pf1-x42f.google.com (mail-pf1-x42f.google.com [IPv6:2607:f8b0:4864:20::42f]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 23700C06175F for ; Tue, 27 Apr 2021 15:04:52 -0700 (PDT) Received: by mail-pf1-x42f.google.com with SMTP id m11so1167706pfc.11 for ; Tue, 27 Apr 2021 15:04:52 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=20161025; h=date:from:to:cc:subject:message-id:references:mime-version :content-disposition:in-reply-to; bh=Tvy9sjWqnF7JDLiqaC+vIZWUwHqerNYoWSgKZH8wt6M=; b=me1+oJICsXM/Honee56OF6na2Z0Qe5yGdxkxw7as4C5ZgfzMtjQlpHfnmNak4ps01w DxFLH3IDfdqPaUuCb9yLX6dg3RNuritgPghiVHkqFJHFBJvS+CHD7DR+MB4LVcq6YZdD iFC35b73L3K0ItwA2PUAQsTkcLCacyl0w2WtTs3iLRB4d4Jw75w0wSxcbsSOpDooGsQr NOO1CCqzrxph4RjD11FMIiiOYGTm3xlf9u7EovjM6KmpPhK8t5O85LZN1OB7aQpX5hlW hGPrprBRcItrz4FhcKYLiwtGPoo28sIbRahPRTA5i5vcRS4YmFC8VtHoW8uAv/KNZAaY NrMA== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:date:from:to:cc:subject:message-id:references :mime-version:content-disposition:in-reply-to; bh=Tvy9sjWqnF7JDLiqaC+vIZWUwHqerNYoWSgKZH8wt6M=; b=tlokcYkI7FsTAahhWHetqFgCYckH74tIrgV8PtNP+Uvg2GJPGhAXyXxzl/LuvvQ9Dj y4LT/+lpFVywV001ITAlFrKFcPWccqohXUaoc9iS9zGGqPYuPWbgx0FEFKOeYuTSTtuP cV8Unp46qxT4RDquzRaFA8mNTWoOeqQbod0NOEBbOWOVDtNqez94v5+poYOsUyiw9Tsf BMSlmXFCJvdK30ndCY9TnhNrPUgX2lAd+V/v20LxCm8V2ia99SH2U6Lntn/VXbKQLwA5 5vgH2qW/HbDz64VCO3XySQ6+zAqbr9ITwntSJSMV3j9eL0jOrVMtxMXskLQfD3Nw2tTZ tAWQ== X-Gm-Message-State: AOAM5302BW44e0zMAjWID0lYtFnaPwnuyhOd/ceaBznRZiATjdniIU0j uLzFrJk5p36sXeaJn3xVcqfTTw== X-Google-Smtp-Source: ABdhPJzyI0QDlQb9VCOlfpWW47x4/lUh4o18JWTGrDq9omVNi86NR1NQOYD6sx1HCX1/v89M9XzJIA== X-Received: by 2002:a63:144e:: with SMTP id 14mr23922285pgu.53.1619561091467; Tue, 27 Apr 2021 15:04:51 -0700 (PDT) Received: from google.com (240.111.247.35.bc.googleusercontent.com. [35.247.111.240]) by smtp.gmail.com with ESMTPSA id in1sm2965300pjb.23.2021.04.27.15.04.50 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 27 Apr 2021 15:04:50 -0700 (PDT) Date: Tue, 27 Apr 2021 22:04:47 +0000 From: Sean Christopherson To: Paolo Bonzini Cc: linux-kernel@vger.kernel.org, kvm@vger.kernel.org, srutherford@google.com, joro@8bytes.org, brijesh.singh@amd.com, thomas.lendacky@amd.com, venu.busireddy@oracle.com, Ashish Kalra , Thomas Gleixner , Ingo Molnar , "H. Peter Anvin" , Borislav Petkov , x86@kernel.org Subject: Re: [PATCH v2 1/2] KVM: X86: Introduce KVM_HC_PAGE_ENC_STATUS hypercall Message-ID: References: <20210421173716.1577745-1-pbonzini@redhat.com> <20210421173716.1577745-2-pbonzini@redhat.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20210421173716.1577745-2-pbonzini@redhat.com> Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Wed, Apr 21, 2021, Paolo Bonzini wrote: > @@ -8334,6 +8350,26 @@ int kvm_emulate_hypercall(struct kvm_vcpu *vcpu) > kvm_sched_yield(vcpu, a0); > ret = 0; > break; > + case KVM_HC_PAGE_ENC_STATUS: { > + u64 gpa = a0, npages = a1, enc = a2; newline > + if (!guest_pv_has(vcpu, KVM_FEATURE_HC_PAGE_ENC_STATUS) > + || !(vcpu->kvm->arch.hypercall_exit_enabled & (1 << KVM_HC_PAGE_ENC_STATUS))) || on previous line, pretty please :-) > + break; > + > + ret = -KVM_EINVAL; > + if (!PAGE_ALIGNED(gpa) || !npages || > + gpa_to_gfn(gpa) + npages <= gpa_to_gfn(gpa)) > + break; > + > + vcpu->run->exit_reason = KVM_EXIT_HYPERCALL; > + vcpu->run->hypercall.nr = KVM_HC_PAGE_ENC_STATUS; > + vcpu->run->hypercall.args[0] = gpa; > + vcpu->run->hypercall.args[1] = npages; > + vcpu->run->hypercall.args[2] = enc; > + vcpu->run->hypercall.longmode = op_64_bit; > + vcpu->arch.complete_userspace_io = complete_hypercall_exit; > + return 0; > + } > default: > ret = -KVM_ENOSYS; > break;