From nobody Mon Dec 15 21:24:45 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 3F57219D8A2; Sat, 19 Jul 2025 02:11:54 +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=1752891114; cv=none; b=aijxgxcJ40yZTM4GBXbkqoa9zjqpOYYWtBPyUird9iV5FP63vnFQQGqiC+VidbUlzBeTe1Zvr5IUlh5TZ6I1AIHMkKOy5hpGz+rPYIkbQjV6KvGxnr4C7np83O29aoOL2lpSFFftt3qfRfUABI9cPoaP09dK/N9NRVHREkVuDng= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1752891114; c=relaxed/simple; bh=Mp/jgK6Xt9LoSu/naNECO65nKErgpdesQbN446RlRp0=; h=From:Date:Subject:MIME-Version:Content-Type:Message-Id:References: In-Reply-To:To:Cc; b=YGl+Kq5mDf0MOoS8Sk7hjZCX071E6KF983CH2gAIR24z0lnSlFo/wBoR8GkmRu9TKrJH2g/NOrdv89xJhrp3mWhWQS7SeG4XStBydhqebc7p/ndEZCcImbvWrOvwmu44PQer+adfCg020MPm6/KCV0YVq3val2SNlsuqPr55YwA= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=R/ayT6l7; 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="R/ayT6l7" Received: by smtp.kernel.org (Postfix) with ESMTPS id C743AC4CEF7; Sat, 19 Jul 2025 02:11:53 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1752891113; bh=Mp/jgK6Xt9LoSu/naNECO65nKErgpdesQbN446RlRp0=; h=From:Date:Subject:References:In-Reply-To:To:Cc:Reply-To:From; b=R/ayT6l7wFXlgg7aGJK8S37b0YdFH5sFrRyktLemEsrkBxRPWE9G0cFsXPqmhET+j p5xhbLPnzya+vFCgQrfyJrzzGVCR6roN4kOwhMBtMn0r3u/x/UXmPAXrMZnmBo8htB 2lCgcRuOCWRqbXOSlmL0tXdWMlnFkt7YcxAQYGFGI4gABjKkGWRWF5Cbc4bLaXWhsu KNFaOtJ1rbUT9d0V0I/GCX6+b07no3TGFULDUteUt+oLKgQp07f9PgAoDqMYUZuF/B Em0N2/sor7dBnaOoiNx5ogVQqrEEwt+CE4jd+ZEDBLzsMglMkvhtUKWuC6JRHrNU1D uur1MzkYlfXdw== 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 BF2FEC83F3E; Sat, 19 Jul 2025 02:11:53 +0000 (UTC) From: Per Larsen via B4 Relay Date: Sat, 19 Jul 2025 02:11:26 +0000 Subject: [PATCH v8 4/7] 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: <20250719-virtio-msg-ffa-v8-4-03e8e8dbe856@google.com> References: <20250719-virtio-msg-ffa-v8-0-03e8e8dbe856@google.com> In-Reply-To: <20250719-virtio-msg-ffa-v8-0-03e8e8dbe856@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=1752891112; l=1289; i=perlarsen@google.com; s=20250508; h=from:subject:message-id; bh=dgBVrMdjAZFSIYAnESFiV+uLEGMo1SRSm+p8aDNjGJQ=; b=IMDnhHhg0FoazYMmOZA5MqsjVPfiAVVoRRaOwqYguuaRhtoI9suue0RLYVCELMYFA2XwFnrmW SiPndnyo+0qDWbM6/aUAyJ88rBrYneqLwdQgpn7XWKjl1F0F3qQYkKZ 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 Update ffa_call_supported to mark FF-A 1.2 interfaces as unsupported lest they get forwarded. FFA_MSG_SEND_DIRECT_REQ2 is not marked as unsupported because a later patch in this series adds support. Also mark FFA_EL3_INTR_HANDLE as unsupported as it is only valid for physical instances. Signed-off-by: Per Larsen --- arch/arm64/kvm/hyp/nvhe/ffa.c | 6 ++++++ 1 file changed, 6 insertions(+) diff --git a/arch/arm64/kvm/hyp/nvhe/ffa.c b/arch/arm64/kvm/hyp/nvhe/ffa.c index 50ec52bcce4b4443c2f3ffeda455594733f3a5a0..5a173ea481940236356e2bc4248= d094a858a0923 100644 --- a/arch/arm64/kvm/hyp/nvhe/ffa.c +++ b/arch/arm64/kvm/hyp/nvhe/ffa.c @@ -671,6 +671,12 @@ 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_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 2.50.0.727.gbf7dc18ff4-goog