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]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id DD7113002B3 for ; Wed, 8 Jul 2026 04:37:39 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=170.10.133.124 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1783485461; cv=none; b=ViCE09X6UJydBum0AWaTobqikmhT1KmL7is4YzczxgvJSt/U2Nrwi0fJ7MxCAsRzArBMtjmbEfkZL0T4uybV/wPTIZGGt4utneWQcAidukz4m/Lvy5+txuB2dw+odflndbrCre8JYbYUkknnsxPj5YkTKZp+nLusDP2+sCCeEt4= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1783485461; c=relaxed/simple; bh=wxGj7CR54xDSa5dTZgxIMhuPluvM0megdkTIIwr+KeU=; h=From:To:Cc:Subject:In-Reply-To:References:Date:Message-ID: MIME-Version:Content-Type; b=h+vbAIq6LDt3vUxcHGFsGLW/aIEFXbbG7bkQCd617riLbQX1C68h07jDUG0ziqd4QbV638tAzJpjlbo3oQ2GrgvgyI5xrgObprBgpUKmhfk8YJ0h2HHxXY28DC96QIplnngNfZP3RpFN+mMlaikJ8i5RaKcN1IWrb09mQW28tMc= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=quarantine dis=none) header.from=redhat.com; spf=pass smtp.mailfrom=redhat.com; dkim=pass (1024-bit key) header.d=redhat.com header.i=@redhat.com header.b=ZOBMAoay; arc=none smtp.client-ip=170.10.133.124 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=quarantine dis=none) header.from=redhat.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=redhat.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=redhat.com header.i=@redhat.com header.b="ZOBMAoay" DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1783485458; 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: in-reply-to:in-reply-to:references:references; bh=MEc1lZ0nB4a1x1y5BVVpMLZISPgR4IzaNZqjQkqTrp4=; b=ZOBMAoayNAjCHI7+w1ieLO7tDAmF3LrOSvFvz5ntNyk79D48b2K3e4axS4J34qvImEjSmA SLPROi9DgRDfIRvu2ckdc6SHkoeK962Oji9GekwUoysPXSOEeZgb46UgOfzh7D4kkJGKjs Orex1c+TqGfYxeZejlB3thiwZwTu2ls= Received: from mx-prod-mc-08.mail-002.prod.us-west-2.aws.redhat.com (ec2-35-165-154-97.us-west-2.compute.amazonaws.com [35.165.154.97]) by relay.mimecast.com with ESMTP with STARTTLS (version=TLSv1.3, cipher=TLS_AES_256_GCM_SHA384) id us-mta-114-pnTR7nsDPQGQtoCOdoJiVg-1; Wed, 08 Jul 2026 00:37:34 -0400 X-MC-Unique: pnTR7nsDPQGQtoCOdoJiVg-1 X-Mimecast-MFC-AGG-ID: pnTR7nsDPQGQtoCOdoJiVg_1783485453 Received: from mx-prod-int-06.mail-002.prod.us-west-2.aws.redhat.com (mx-prod-int-06.mail-002.prod.us-west-2.aws.redhat.com [10.30.177.93]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (2048 bits) server-digest SHA256) (No client certificate requested) by mx-prod-mc-08.mail-002.prod.us-west-2.aws.redhat.com (Postfix) with ESMTPS id C9AE4180136A; Wed, 8 Jul 2026 04:37:32 +0000 (UTC) Received: from blackfin.pond.sub.org (unknown [10.44.22.4]) by mx-prod-int-06.mail-002.prod.us-west-2.aws.redhat.com (Postfix) with ESMTPS id 29D4D18005B5; Wed, 8 Jul 2026 04:37:32 +0000 (UTC) Received: by blackfin.pond.sub.org (Postfix, from userid 1000) id B623921E6920; Wed, 08 Jul 2026 06:37:29 +0200 (CEST) From: Markus Armbruster To: Mathieu Poirier Cc: berrange@redhat.com, kchamart@redhat.com, pierrick.bouvier@oss.qualcomm.com, peter.maydell@linaro.org, mst@redhat.com, cohuck@redhat.com, pbonzini@redhat.com, eblake@redhat.com, jpb@kernel.org, lorenzo.pieralisi@linaro.org, qemu-devel@nongnu.org, qemu-arm@nongnu.org, kvm@vger.kernel.org Subject: Re: [RFC v1 23/25] docs/interop/firmware.json: Add arm-rme firmware feature In-Reply-To: <20260707224306.1202330-24-mathieu.poirier@linaro.org> (Mathieu Poirier's message of "Tue, 7 Jul 2026 16:43:04 -0600") References: <20260707224306.1202330-1-mathieu.poirier@linaro.org> <20260707224306.1202330-24-mathieu.poirier@linaro.org> Date: Wed, 08 Jul 2026 06:37:29 +0200 Message-ID: <87fr1um706.fsf@pond.sub.org> User-Agent: Gnus/5.13 (Gnus v5.13) Precedence: bulk X-Mailing-List: kvm@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain X-Scanned-By: MIMEDefang 3.4.1 on 10.30.177.93 Mathieu Poirier writes: > From: Jean-Philippe Brucker > > Some distributions provide packages continaing firmware to be run under > QEMU, such as "qemu-efi-aarch64" or "edk2-aarch64". Those packages also > contain descriptors in /usr/share/qemu/firmware/*.json listing the > firmware features, so that environments like libvirt can figure out > which firmware they can load. > > Define an optional feature for arm64 firmware to indicate that a > firmware supports running in a Realm. Firmware implementations need > extra support for running in a Realm, in particular to distinguish > shared from private guest memory. > > Signed-off-by: Jean-Philippe Brucker > Signed-off-by: Mathieu Poirier > --- > docs/interop/firmware.json | 5 ++++- > 1 file changed, 4 insertions(+), 1 deletion(-) > > diff --git a/docs/interop/firmware.json b/docs/interop/firmware.json > index 421bee0e5ed4..c68d7f5013f8 100644 > --- a/docs/interop/firmware.json > +++ b/docs/interop/firmware.json > @@ -161,6 +161,9 @@ > # options related to this feature are documented in > # "docs/system/i386/amd-memory-encryption.rst". > # > +# @arm-rme: The firmware supports running in a Realm, under the Arm Realm > +# Management Extension (RME). > +# Please format like this # @arm-rme: The firmware supports running in a Realm, under the Arm # Realm Management Extension (RME). > # @intel-tdx: The firmware supports running under Intel Trust Domain > # Extensions (TDX). > # > @@ -229,7 +232,7 @@ > { 'enum' : 'FirmwareFeature', > 'data' : [ 'acpi-s3', 'acpi-s4', > 'amd-sev', 'amd-sev-es', 'amd-sev-snp', > - 'intel-tdx', > + 'arm-rme', 'intel-tdx', > 'enrolled-keys', 'requires-smm', > 'secure-boot', 'host-uefi-vars', > 'verbose-dynamic', 'verbose-static' ] } With the formatting tidied up Acked-by: Markus Armbruster