From nobody Sun Oct 5 05:31:11 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 2936D275112; Sat, 9 Aug 2025 02:33:33 +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=1754706813; cv=none; b=uVvRavfvCflHyNyVG1+eQabPotKBt1TuRK48GN9mLsya8rQmp7fak/MsG807Jj7cI7dU8DiYjfd7REIjG0v4UDyOufc8D3a6wK9+ytqPZCC7o3pKzRYcRnPWRw7Njsp4bdSt0P43vlp+BlaNXhtqo3yJGubhUAn6YwNsAu1Sp+Q= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1754706813; c=relaxed/simple; bh=6U1E5QmPT8CBgdgVlPTNe/BuFUXewN4X5e1CezxtHPc=; h=From:Date:Subject:MIME-Version:Content-Type:Message-Id:References: In-Reply-To:To:Cc; b=pFzxjsqJkHBnCFjN7kx8CD20MM6HWLqki83bwvmfDsEQsDk+yusidp2CPhKzXZNPs6swjuFuRef+fB26Tnlc5lzh4x/KWFhwIeQvmNqNDPOxD2WgzAhfE5eqHTPc1IyYC+4Quol14nn3erlJPhJxXOvEliGBOPdTShRF0xKR1MA= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=am1H2Ixh; 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="am1H2Ixh" Received: by smtp.kernel.org (Postfix) with ESMTPS id CCB4AC4CEFA; Sat, 9 Aug 2025 02:33:32 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1754706812; bh=6U1E5QmPT8CBgdgVlPTNe/BuFUXewN4X5e1CezxtHPc=; h=From:Date:Subject:References:In-Reply-To:To:Cc:Reply-To:From; b=am1H2IxhMXdsVjx9qg5AmJL1R1kWnp0jQGAQ1VNsTGnofvUjE6DN+tJKSNbFKN1FW lnFzaGfEF/IwTetPsAC4Jx6VrS2UHwKxOnMwjON4I/XogmB0x2Ah7MQS4hVJ/Cju9s 29B/BzY0cuwIR/sGOMRx5SMCrFVQgggrr26I48/yps/7guu+bJ8WOR+35bZ8dSSW8b e5ifN/nIBMpee50QGwS4tlqoEaIqE77GFne2JALyEFmJxs4VPOVEH3tykaTy7WZPU4 BCUWLkztunU1TOs0zBMym/7PtEqOoMNhBHW27RKt2z0yiaIIWNo1g08ihiJ3zTZO85 xe/axJ+WdGl0Q== 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 C07E6CA0EC3; Sat, 9 Aug 2025 02:33:32 +0000 (UTC) From: Per Larsen via B4 Relay Date: Sat, 09 Aug 2025 02:33:22 +0000 Subject: [PATCH v10 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: <20250809-virtio-msg-ffa-v10-4-189eeecf8ae8@google.com> References: <20250809-virtio-msg-ffa-v10-0-189eeecf8ae8@google.com> In-Reply-To: <20250809-virtio-msg-ffa-v10-0-189eeecf8ae8@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=1754706812; l=1035; i=perlarsen@google.com; s=20250508; h=from:subject:message-id; bh=IoW1xMVSZLfjRkHlbEaNpwQ0anIxPUAXwOJ+lN5gGek=; b=G3n9+VuZjYM8nP+rNuVl9LgzFl6g+m0nuvjNZJwUfvNrEGWf2bsFVmzGaJ4U/NKzOzODOCtxr qB6/RMN08IXAyTiVDVI9sW00LEHRL+dHRnRpxda2BqSK2s/16asrL3Z 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 9311268ad77f50fc596ebae77f451ea144418359..bcb2fab66a61190733682c5bda4= 4e2fa6766177a 100644 --- a/arch/arm64/kvm/hyp/nvhe/ffa.c +++ b/arch/arm64/kvm/hyp/nvhe/ffa.c @@ -673,6 +673,11 @@ 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.rc0.155.g4a0f42376b-goog