From nobody Sat Oct 4 06:35:23 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 DAE4E1A9FB2; Wed, 20 Aug 2025 01:10:12 +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=1755652212; cv=none; b=WWgMtoWN1drvBg42tTmWBvUeGANkYwc+b8T4kntYD5l6YKIDHvmSHJKx7RM0yiP0mbl8VwFxGMt/JDJFshs1vIQ2I1p8aKfvtxxPn7AtPgt623JZnpVguKVrqb42SKkA1cITR5HjRmq713WPb0+/BzWFpLGG93ySkicuMbr4Ot8= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1755652212; c=relaxed/simple; bh=eOm/bvOMAexpdJ33PwPohvn+1KUMlAe/pR+UbnvP4KU=; h=From:Date:Subject:MIME-Version:Content-Type:Message-Id:References: In-Reply-To:To:Cc; b=IoZwZvDL1hgd8d2FSDBbzhZXhEaXI+5KXkqaJgHQa1UZANcTOmqEY6cWlPmYucxt5JGCQjsfmEPVaiHklNX8F1v1Yv/7lvBoyKZg6XZh2dHGHxQtW/2m8kQva5Hhiux7KFTYEmPHDxZy1zL+rW2mj+Uh+K52b9t+76DkJanLkU8= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=DC/Oswqe; 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="DC/Oswqe" Received: by smtp.kernel.org (Postfix) with ESMTPS id 8026CC19424; Wed, 20 Aug 2025 01:10:12 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1755652212; bh=eOm/bvOMAexpdJ33PwPohvn+1KUMlAe/pR+UbnvP4KU=; h=From:Date:Subject:References:In-Reply-To:To:Cc:Reply-To:From; b=DC/OswqecYxkgXwl77+Ov+1rRro07KfOJwmeHWSHpYBZ10oJI4WQZgYIS4IjNf3Zy bOladLIGr+Jo2FF+nPVz/HwNlhyniE7gyPPvpNWcLMz55Y83BwADvMDK9Yar/DPu1j YO37H08npbK17SBQi9zghAaYyPrxhgu9gXvKj7wPCG3x1NTFU4eVtTFJ0pg1QejFrv leTQMTnh+PRrD+DD4MLNXpnGaKQQA9siJl18gZZiwL9kPs0Cfkgx3zHX1SCkIsGor5 Jy7gUDAXwMiXP49UKFaoRLnwCdz1reAiMhW6iJoXwshOcaoNsFO59lUBuh1rqVAYdS BLy2qBsNfCN8g== 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 7768CCA0EFA; Wed, 20 Aug 2025 01:10:12 +0000 (UTC) From: Per Larsen via B4 Relay Date: Wed, 20 Aug 2025 01:10:08 +0000 Subject: [PATCH v11 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: <20250820-virtio-msg-ffa-v11-4-497ef43550a3@google.com> References: <20250820-virtio-msg-ffa-v11-0-497ef43550a3@google.com> In-Reply-To: <20250820-virtio-msg-ffa-v11-0-497ef43550a3@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=1755652211; l=1035; i=perlarsen@google.com; s=20250508; h=from:subject:message-id; bh=axvv1e3eXiB/+xexcDgx6JaWgpv5+SkVFL8SUFw7cGw=; b=GUSQIldlrNo8coOkbJ1NoBMsenhoCI9wnCj0kif4wX+McoVmMUpRsHZm9TM6nJaF+KYEu9Qo+ 7KbJ9pgZlrUAG4or8PmT8Uz4LOrxJ/vDXPQgVSx+hzLMihsRyY7tq5i 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. Acked-by: Will Deacon Signed-off-by: Per Larsen --- arch/arm64/kvm/hyp/nvhe/ffa.c | 5 +++++ 1 file changed, 5 insertions(+) diff --git a/arch/arm64/kvm/hyp/nvhe/ffa.c b/arch/arm64/kvm/hyp/nvhe/ffa.c index 40a785b6ed063f9de31f51f1e82ebd9c70b13de9..96109aa99c48741e45a2b85d8e7= bf26440597398 100644 --- a/arch/arm64/kvm/hyp/nvhe/ffa.c +++ b/arch/arm64/kvm/hyp/nvhe/ffa.c @@ -678,6 +678,11 @@ 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 */ return false; } =20 --=20 2.51.0.rc1.167.g924127e9c0-goog