From nobody Thu Oct 9 09:07:00 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 7C9EB283C92; Thu, 19 Jun 2025 09:03:28 +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=1750323808; cv=none; b=Kx6KhgH67OQkDFJrJ/7zuU3mZVbBwOmAsPYfUBfFrVsznTkDs/iKJDiW5B61aO56kSJyz5UpVsXfKflEnIto6WfS1/bE2g2UNu/Qxi9Mvx0MSLwwqF4JCjf8L6rDuE1qPOuFVjBL+Oc1+LapPfocGqhKf/FV1buc1n6gB0vhx4s= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1750323808; c=relaxed/simple; bh=TQleIpVqxX9w9y+oNAtop5bLIFbXUlUOvBs+KyP0ZR8=; h=From:Date:Subject:MIME-Version:Content-Type:Message-Id:References: In-Reply-To:To:Cc; b=i5Tw/AiJxQTESITbbaVh0WOKiP2RkJcCno86wosqWP/a6HRyS4MHibV5NBBvDOlXF9mAJ7JO+4BhpknKGKCCXc6LVtOwzqkqUGwVgTyojo6WzjrohgjrV+5C3zDf2yxBfR57uoSjFTLbPBn4gsQLXe5pT0XPO+JbOZKNmM3VRZ0= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=o7L8NF9N; 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="o7L8NF9N" Received: by smtp.kernel.org (Postfix) with ESMTPS id 4AE19C4CEF0; Thu, 19 Jun 2025 09:03:28 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1750323808; bh=TQleIpVqxX9w9y+oNAtop5bLIFbXUlUOvBs+KyP0ZR8=; h=From:Date:Subject:References:In-Reply-To:To:Cc:Reply-To:From; b=o7L8NF9NOcsympMD72nGSsnIOax9GF/SqHr4lHLcDv6e+/q3kXvV/jAQdq2QJcYuS G/TocW/Ge14Hkzo0GKxK+MUXEagYH71pSQnmNXPkMdKN6BoWYmR7br/NPVnyDEcVxv YwUBCfqSfYoGXBy7wsKavCtrVO9ulVgotcsa1AK8TY3djtW8kk/m0vw+3I9g1uhr3F ZkLlcpqpCjs8VbeRP/q6k1Ue7pe2kIpSsFi81Z20qe+1lFxxnp5kc0IAyf3kj3D6MM wUc27fqxsETtuHHwBzKWSYQ4kuvTh44yFOJfILWhDqh8zdrirCq2uR0TIAl5M7iccV eX67FLeGyIDog== 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 414A9C7115A; Thu, 19 Jun 2025 09:03:28 +0000 (UTC) From: Per Larsen via B4 Relay Date: Thu, 19 Jun 2025 09:02:57 +0000 Subject: [PATCH v5 4/6] KVM: arm64: Mark FFA_NOTIFICATION_* calls 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: <20250619-virtio-msg-ffa-v5-4-412c98558807@google.com> References: <20250619-virtio-msg-ffa-v5-0-412c98558807@google.com> In-Reply-To: <20250619-virtio-msg-ffa-v5-0-412c98558807@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, Per Larsen X-Mailer: b4 0.14.2 X-Developer-Signature: v=1; a=ed25519-sha256; t=1750323807; l=1012; i=perlarsen@google.com; s=20250508; h=from:subject:message-id; bh=Qis+O0P+EgX/jX8E8VR0D/SyhX2jCqrXBKwBh6kK8LA=; b=owTK3dNtjpqdVYFwLQpJgygVZi0v1UFmK/ckwYhyoMUDJT3aHG0J9frH7mg1/ZBvkhych1K8x I8eWPG0jIqrCiQGY9atRRA7H998+kDveRDiZd7m9NaPUXVb0z549ydB 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 Prevent FFA_NOTIFICATION_* interfaces from being passed through to TZ. Acked-by: Will Deacon Signed-off-by: Per Larsen --- arch/arm64/kvm/hyp/nvhe/ffa.c | 8 ++++++++ 1 file changed, 8 insertions(+) diff --git a/arch/arm64/kvm/hyp/nvhe/ffa.c b/arch/arm64/kvm/hyp/nvhe/ffa.c index 23b75b9f0bcc62724f0d0d185ac2ed2526375da4..6965aa947fb4529c35872ee3976= ab8d0b02becca 100644 --- a/arch/arm64/kvm/hyp/nvhe/ffa.c +++ b/arch/arm64/kvm/hyp/nvhe/ffa.c @@ -669,6 +669,14 @@ static bool ffa_call_supported(u64 func_id) case FFA_RXTX_MAP: case FFA_MEM_DONATE: case FFA_MEM_RETRIEVE_REQ: + /* Optional notification interfaces added in FF-A 1.1 */ + case FFA_NOTIFICATION_BITMAP_CREATE: + case FFA_NOTIFICATION_BITMAP_DESTROY: + case FFA_NOTIFICATION_BIND: + case FFA_NOTIFICATION_UNBIND: + case FFA_NOTIFICATION_SET: + case FFA_NOTIFICATION_GET: + case FFA_NOTIFICATION_INFO_GET: return false; } =20 --=20 2.50.0.rc2.701.gf1e915cc24-goog