From nobody Sun Oct 5 19:59:30 2025 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-1.web.codeaurora.org [10.30.226.201]) (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 609601FDA8E; Wed, 30 Jul 2025 21:15:17 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=10.30.226.201 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1753910117; cv=none; b=MiGhaW4xtKG7ksKq+UO5P1JdSMYL5xwBkaR1JTxxjTnIici2k9UVarWCTb6hOd5jkz+BypGcwYLEbwGsxkSx+c9D27FON267R44iHqvDYquqPiYhMogHzd7mP6Oc6LQMY8itLSz2BA0DpbpflwCNRLvBeWCVlcqnE8rW9TbsaHY= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1753910117; c=relaxed/simple; bh=hh98tLlJXCvRgiyG81K7JCiTYqxoYUgJDKnikV3MUPI=; h=From:Date:Subject:MIME-Version:Content-Type:Message-Id:References: In-Reply-To:To:Cc; b=c+yrfHZKwNheVpRBJ59QyVSAsFv9MeJIstAantVFL4Hph3vuKMa1NKJOHJIvCzf+1zh6COYhW6AWnjCqhADFDf0vwm7JbaWgVrGboNUtiTRV4Bhtiu6xkexFyVlw4LTtu7ZjKdFVUTrspGqaLM/lpwMmOx81dd9oPRXVoLMbqtA= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=JiU80DVr; arc=none smtp.client-ip=10.30.226.201 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b="JiU80DVr" Received: by smtp.kernel.org (Postfix) with ESMTPS id 140DAC4AF09; Wed, 30 Jul 2025 21:15:17 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1753910117; bh=hh98tLlJXCvRgiyG81K7JCiTYqxoYUgJDKnikV3MUPI=; h=From:Date:Subject:References:In-Reply-To:To:Cc:Reply-To:From; b=JiU80DVrnhKarGT98QOx797L8u1EqeYqSj2HwYDQVy/a7rTmONWpYjAQNCb49j8zD zk4I3hdwRZ6AX5JpqJgG9D0rklk1/sDoI6cu9+Y0rMOuWGPBBB2HqIayoUJDFTRVSP qNIYiF2pAe2eI3TdjVYTtvfPaTbnA7deQZVDp32WbBJkLNUAbCPqQwFlcCaKNIfHJV 8DzqazuGUg8kXF+dPvGs0udZPzcFwCEk7HE6jvYMOotgPqj+a1ORBznoE6klT7AUOY uY0p/OTDZqtVb475fl4I42quUbhBBFmbMFwHhNhvU6SWxmoGp5IXV6kx3vfCxPHBwx paopgyEyLemOw== Received: from aws-us-west-2-korg-lkml-1.web.codeaurora.org (localhost.localdomain [127.0.0.1]) by smtp.lore.kernel.org (Postfix) with ESMTP id 06924C87FD2; Wed, 30 Jul 2025 21:15:17 +0000 (UTC) From: Per Larsen via B4 Relay Date: Wed, 30 Jul 2025 21:15:07 +0000 Subject: [PATCH v9 4/6] KVM: arm64: Mark optional FF-A 1.2 interfaces as unsupported Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: quoted-printable Message-Id: <20250730-virtio-msg-ffa-v9-4-7f1b55c8d149@google.com> References: <20250730-virtio-msg-ffa-v9-0-7f1b55c8d149@google.com> In-Reply-To: <20250730-virtio-msg-ffa-v9-0-7f1b55c8d149@google.com> To: Marc Zyngier , Oliver Upton , Joey Gouly , Suzuki K Poulose , Zenghui Yu , Catalin Marinas , Will Deacon , Sudeep Holla Cc: linux-arm-kernel@lists.infradead.org, kvmarm@lists.linux.dev, linux-kernel@vger.kernel.org, ahomescu@google.com, armellel@google.com, arve@android.com, ayrton@google.com, qperret@google.com, sebastianene@google.com, qwandor@google.com, Per Larsen X-Mailer: b4 0.14.2 X-Developer-Signature: v=1; a=ed25519-sha256; t=1753910116; l=1210; i=perlarsen@google.com; s=20250508; h=from:subject:message-id; bh=vsxUjiUKITemxut7aihGZIJXjAQ850iOOIHve4ASG3E=; b=gKWwH6ozG59iqR56sr71aowlsg5jb48PB7dhsPM3n2+nBl+wpjlo4dJv8qRVxTZz7bvHNPEDt uDKRggaQq+mD4c4yB9+43JIcp2dm573jv1UsAVQbkMgyDHO60vkhUyg X-Developer-Key: i=perlarsen@google.com; a=ed25519; pk=jjc/Ta4VmrLRmMoahP6d1mBcKzvWU+nsmdtYe2oS2kQ= X-Endpoint-Received: by B4 Relay for perlarsen@google.com/20250508 with auth_id=402 X-Original-From: Per Larsen Reply-To: perlarsen@google.com From: Per Larsen Mark FF-A 1.2 interfaces as unsupported lest they get proxied. Also mark FFA_EL3_INTR_HANDLE as unsupported as it is only valid for physical instances. Signed-off-by: Per Larsen Acked-by: Will Deacon --- arch/arm64/kvm/hyp/nvhe/ffa.c | 7 +++++++ 1 file changed, 7 insertions(+) diff --git a/arch/arm64/kvm/hyp/nvhe/ffa.c b/arch/arm64/kvm/hyp/nvhe/ffa.c index 48183fa78014e420372c4fb5e489519bc652bf53..7fe96fe626d630a9009551e8dec= 1683617acafbd 100644 --- a/arch/arm64/kvm/hyp/nvhe/ffa.c +++ b/arch/arm64/kvm/hyp/nvhe/ffa.c @@ -674,6 +674,13 @@ static bool ffa_call_supported(u64 func_id) case FFA_NOTIFICATION_SET: case FFA_NOTIFICATION_GET: case FFA_NOTIFICATION_INFO_GET: + /* Optional interfaces added in FF-A 1.2 */ + case FFA_MSG_SEND_DIRECT_REQ2: /* Optional per 7.5.1 */ + case FFA_MSG_SEND_DIRECT_RESP2: /* Optional per 7.5.1 */ + case FFA_CONSOLE_LOG: /* Optional per 13.1: not in Table 13.1 */ + case FFA_PARTITION_INFO_GET_REGS: /* Optional for virtual instances per 1= 3.1 */ + /* Unsupported interfaces added in FF-A 1.2 */ + case FFA_EL3_INTR_HANDLE: /* Only valid for secure physical instances */ return false; } =20 --=20 2.50.1.552.g942d659e1b-goog