From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from us-smtp-delivery-124.mimecast.com (us-smtp-delivery-124.mimecast.com [170.10.133.124]) by mx.groups.io with SMTP id smtpd.web12.7470.1622725739840256962 for ; Thu, 03 Jun 2021 06:09:00 -0700 Authentication-Results: mx.groups.io; dkim=pass header.i=@redhat.com header.s=mimecast20190719 header.b=Gp5Jtroh; spf=pass (domain: redhat.com, ip: 170.10.133.124, mailfrom: lersek@redhat.com) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1622725739; 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:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=YIqdyujnMWvL6Fkon4sqc5wzmGjSFEndzpHvsV5P4rk=; b=Gp5JtrohRf2REdHRv9U3wUXMzyrqXDQHxkvZvg4FFW+xrB1yz6RlzXr90CRMXwNWbPgTbY kI4jiTkX9OcjGet0XNVFiB8DCxyHsSDtE05hK2msX2d2Y4yX8BI5UGlQmEcIFHI9p8Ffax wYUl82RFtbFk8mptmbiLrNpLJb1Lfqo= Received: from mimecast-mx01.redhat.com (mimecast-mx01.redhat.com [209.132.183.4]) (Using TLS) by relay.mimecast.com with ESMTP id us-mta-226-4UCoK8GEMMWSCDhMtXJRkQ-1; Thu, 03 Jun 2021 09:08:55 -0400 X-MC-Unique: 4UCoK8GEMMWSCDhMtXJRkQ-1 Received: from smtp.corp.redhat.com (int-mx01.intmail.prod.int.phx2.redhat.com [10.5.11.11]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mimecast-mx01.redhat.com (Postfix) with ESMTPS id DAEAF800D62; Thu, 3 Jun 2021 13:08:53 +0000 (UTC) Received: from lacos-laptop-7.usersys.redhat.com (ovpn-112-70.ams2.redhat.com [10.36.112.70]) by smtp.corp.redhat.com (Postfix) with ESMTPS id A3D1B60657; Thu, 3 Jun 2021 13:08:50 +0000 (UTC) Subject: Re: [edk2-devel] [PATCH RFC v3 22/22] MdePkg/GHCB: increase the GHCB protocol max version To: devel@edk2.groups.io Cc: brijesh.singh@amd.com, James Bottomley , Min Xu , Jiewen Yao , Tom Lendacky , Jordan Justen , Erdem Aktas , Eric Dong , Ray Ni , Rahul Kumar , Ard Biesheuvel , Michael D Kinney , Liming Gao , Zhiguang Liu References: <20210526231118.12946-1-brijesh.singh@amd.com> <20210526231118.12946-23-brijesh.singh@amd.com> From: "Laszlo Ersek" Message-ID: <5568a80e-b69b-0814-8c5e-51f355469686@redhat.com> Date: Thu, 3 Jun 2021 15:08:49 +0200 MIME-Version: 1.0 In-Reply-To: <20210526231118.12946-23-brijesh.singh@amd.com> X-Scanned-By: MIMEDefang 2.79 on 10.5.11.11 Authentication-Results: relay.mimecast.com; auth=pass smtp.auth=CUSA124A263 smtp.mailfrom=lersek@redhat.com X-Mimecast-Spam-Score: 0 X-Mimecast-Originator: redhat.com Content-Type: text/plain; charset=utf-8 Content-Language: en-US Content-Transfer-Encoding: 7bit Copying the MdePkg reviewers. Thanks Laszlo On 05/27/21 01:11, Brijesh Singh wrote: > BZ: https://bugzilla.tianocore.org/show_bug.cgi?id=3275 > > Now that OvmfPkg supports version 2 of the GHCB specification, bump the > protocol version. > > Cc: James Bottomley > Cc: Min Xu > Cc: Jiewen Yao > Cc: Tom Lendacky > Cc: Jordan Justen > Cc: Ard Biesheuvel > Cc: Laszlo Ersek > Cc: Erdem Aktas > Signed-off-by: Brijesh Singh > --- > MdePkg/Include/Register/Amd/Ghcb.h | 2 +- > 1 file changed, 1 insertion(+), 1 deletion(-) > > diff --git a/MdePkg/Include/Register/Amd/Ghcb.h b/MdePkg/Include/Register/Amd/Ghcb.h > index 4d1ee29e0a5e..191fd0876060 100644 > --- a/MdePkg/Include/Register/Amd/Ghcb.h > +++ b/MdePkg/Include/Register/Amd/Ghcb.h > @@ -24,7 +24,7 @@ > #define VC_EXCEPTION 29 > > #define GHCB_VERSION_MIN 1 > -#define GHCB_VERSION_MAX 1 > +#define GHCB_VERSION_MAX 2 > > #define GHCB_STANDARD_USAGE 0 > >