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 mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 4E1CAC433F5 for ; Wed, 3 Nov 2021 14:27:33 +0000 (UTC) Received: from smtp2.osuosl.org (smtp2.osuosl.org [140.211.166.133]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id E46606103C for ; Wed, 3 Nov 2021 14:27:32 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.4.1 mail.kernel.org E46606103C Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=alien8.de Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=lists.linux-foundation.org Received: from localhost (localhost [127.0.0.1]) by smtp2.osuosl.org (Postfix) with ESMTP id 90468400BF; Wed, 3 Nov 2021 14:27:32 +0000 (UTC) X-Virus-Scanned: amavisd-new at osuosl.org Received: from smtp2.osuosl.org ([127.0.0.1]) by localhost (smtp2.osuosl.org [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id suNbtdbJ4dJQ; Wed, 3 Nov 2021 14:27:31 +0000 (UTC) Received: from lists.linuxfoundation.org (lf-lists.osuosl.org [140.211.9.56]) by smtp2.osuosl.org (Postfix) with ESMTPS id 67CEF400A4; Wed, 3 Nov 2021 14:27:30 +0000 (UTC) Received: from lf-lists.osuosl.org (localhost [127.0.0.1]) by lists.linuxfoundation.org (Postfix) with ESMTP id 2BFC7C0019; Wed, 3 Nov 2021 14:27:30 +0000 (UTC) Received: from smtp3.osuosl.org (smtp3.osuosl.org [140.211.166.136]) by lists.linuxfoundation.org (Postfix) with ESMTP id 17EF3C000E for ; Wed, 3 Nov 2021 14:27:29 +0000 (UTC) Received: from localhost (localhost [127.0.0.1]) by smtp3.osuosl.org (Postfix) with ESMTP id EDAD560649 for ; Wed, 3 Nov 2021 14:27:28 +0000 (UTC) X-Virus-Scanned: amavisd-new at osuosl.org Authentication-Results: smtp3.osuosl.org (amavisd-new); dkim=pass (1024-bit key) header.d=alien8.de Received: from smtp3.osuosl.org ([127.0.0.1]) by localhost (smtp3.osuosl.org [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id kjpPe3D1ZKwU for ; Wed, 3 Nov 2021 14:27:27 +0000 (UTC) X-Greylist: from auto-whitelisted by SQLgrey-1.8.0 Received: from mail.skyhub.de (mail.skyhub.de [5.9.137.197]) by smtp3.osuosl.org (Postfix) with ESMTPS id A942F605E5 for ; Wed, 3 Nov 2021 14:27:27 +0000 (UTC) Received: from zn.tnic (p200300ec2f13290006136262b125c835.dip0.t-ipconnect.de [IPv6:2003:ec:2f13:2900:613:6262:b125:c835]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.skyhub.de (SuperMail on ZX Spectrum 128k) with ESMTPSA id 127091EC0567; Wed, 3 Nov 2021 15:27:24 +0100 (CET) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=alien8.de; s=dkim; t=1635949644; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version:content-type:content-type: content-transfer-encoding:in-reply-to:in-reply-to: references:references; bh=PN13d60ZQ5g2G8iEXh3tkIMCVCu0bXX1/VFUYwMyhZo=; b=hRLfXtHgTs4/Lm9rNp+SY306FCQskMF/7tpsnJV3kuA2NqDuTzGrs+Bjpdfm1FnKyEzrBI uuDrkCL5NNlFxWSJ0YptWv30kTilcRNvxBXYdwApFSD4DYkUsQyysd1uuiAl7uqSlEYbm+ 4WjnKmhIKmrbObBfRMq3Z6Hgu8bgyFI= Date: Wed, 3 Nov 2021 15:27:23 +0100 From: Borislav Petkov To: Joerg Roedel Subject: Re: [PATCH v2 03/12] x86/sev: Save and print negotiated GHCB protocol version Message-ID: References: <20210913155603.28383-1-joro@8bytes.org> <20210913155603.28383-4-joro@8bytes.org> MIME-Version: 1.0 Content-Disposition: inline In-Reply-To: <20210913155603.28383-4-joro@8bytes.org> Cc: kvm@vger.kernel.org, Peter Zijlstra , Dave Hansen , virtualization@lists.linux-foundation.org, Arvind Sankar , hpa@zytor.com, Jiri Slaby , x86@kernel.org, David Rientjes , Masami Hiramatsu , Martin Radev , Tom Lendacky , Joerg Roedel , Kees Cook , Cfir Cohen , linux-coco@lists.linux.dev, Andy Lutomirski , Dan Williams , Juergen Gross , Mike Stunes , Sean Christopherson , kexec@lists.infradead.org, linux-kernel@vger.kernel.org, Eric Biederman , Erdem Aktas X-BeenThere: virtualization@lists.linux-foundation.org X-Mailman-Version: 2.1.15 Precedence: list List-Id: Linux virtualization List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Errors-To: virtualization-bounces@lists.linux-foundation.org Sender: "Virtualization" On Mon, Sep 13, 2021 at 05:55:54PM +0200, Joerg Roedel wrote: > From: Joerg Roedel > > Save the results of the GHCB protocol negotiation into a data structure > and print information about versions supported and used to the kernel > log. Which is useful for? > +/* > + * struct sev_ghcb_protocol_info - Used to return GHCB protocol > + * negotiation details. > + * > + * @hv_proto_min: Minimum GHCB protocol version supported by Hypervisor > + * @hv_proto_max: Maximum GHCB protocol version supported by Hypervisor > + * @vm_proto: Protocol version the VM (this kernel) will use > + */ > +struct sev_ghcb_protocol_info { Too long a name - ghcb_info is perfectly fine. -- Regards/Gruss, Boris. https://people.kernel.org/tglx/notes-about-netiquette _______________________________________________ Virtualization mailing list Virtualization@lists.linux-foundation.org https://lists.linuxfoundation.org/mailman/listinfo/virtualization