From nobody Sun Feb 8 12:37:27 2026 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 A94E233D519; Thu, 18 Dec 2025 10:15:14 +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=1766052914; cv=none; b=NvcUP2es6VqXCZfR8GW5rRvaTpeSpvhdJqyCI2S0luE7cBjZh48f6Mua/+AYXZ+QH3idCRTQWWXTZVrgHBRrABsC+ebn1Q/NhSxukDmxJt2uIBSljPkFVWLdumm00ikZ0Fb8s1gzU87QHtVNnbWAeUR3Mbv8YzLL5dFXHnUw3YA= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1766052914; c=relaxed/simple; bh=O2IYaXBjmzGVATucF4s0OnNh/D79299lGX0XG+UCCJI=; h=From:Date:Subject:MIME-Version:Content-Type:Message-Id:References: In-Reply-To:To:Cc; b=h4BcXac3ZzhrP6Dlz5t6TKE4twRBnqrf6KMmCipnnZ5sJ0vKALm0Tkf2HCQYZlzyEzBlOiwMkWLM5OgL6GLt1Cf7kpVuJ8eBIaGkXT2nlJLFOuGn6/01CGhKJUFyoM4WFCmfLxNGNAywjEmcmCzqwCaUIGNNbevuvfhAf4StO/k= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=Fvxw4WEQ; 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="Fvxw4WEQ" Received: by smtp.kernel.org (Postfix) with ESMTPSA id B8EC7C4CEFB; Thu, 18 Dec 2025 10:15:09 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1766052914; bh=O2IYaXBjmzGVATucF4s0OnNh/D79299lGX0XG+UCCJI=; h=From:Date:Subject:References:In-Reply-To:To:Cc:From; b=Fvxw4WEQaz44c9aV3tXuTMKcjMx3lwFdnz9x1vkVlLwafeGqA3hugyiaQRJxmz4W8 5GaGMLdA4+c7xEr6NX3I+MH4FH9/BxY1o5GTo+Q9ZkU4kK/+PH1nNDJ1ed4QEWfXkA 2aDbWC5tkknMLaFV9H1p1R1jvHaCtdWTRgS5hI6rw9Oz5supUkm9MHtlGgfxqFnOX/ l4JIQUxwJlrn2yg2iN76Kx6iqI4IyOWAMwrViTe6Ar6cvvfl3PPZ0F14ZALlCM9v8h VIbqtKfWh/W0hwVuMuYYQmKONdcgj2BqklrBg9IW0hULUsbYmePPtHp+jblJRNmjC8 F/FDdN139IUDg== From: Lorenzo Pieralisi Date: Thu, 18 Dec 2025 11:14:28 +0100 Subject: [PATCH v2 2/7] ACPICA: Add Arm IORT IWB node definitions 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: <20251218-gicv5-host-acpi-v2-2-eec76cd1d40b@kernel.org> References: <20251218-gicv5-host-acpi-v2-0-eec76cd1d40b@kernel.org> In-Reply-To: <20251218-gicv5-host-acpi-v2-0-eec76cd1d40b@kernel.org> To: "Rafael J. Wysocki" , Len Brown , Robert Moore , Thomas Gleixner , Hanjun Guo , Sudeep Holla , Marc Zyngier , Bjorn Helgaas Cc: linux-acpi@vger.kernel.org, acpica-devel@lists.linux.dev, linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-pci@vger.kernel.org, Lorenzo Pieralisi , Jose Marinho X-Mailer: b4 0.14.3 From: Jose Marinho The IORT IUWB node is defined in IORT issue E.g See https://developer.arm.com/documentation/den0049/eg Link: https://github.com/acpica/acpica/commit/a90dc2f5 Signed-off-by: Jose Marinho Signed-off-by: Bob Moore Signed-off-by: Lorenzo Pieralisi --- include/acpi/actbl2.h | 7 +++++++ 1 file changed, 7 insertions(+) diff --git a/include/acpi/actbl2.h b/include/acpi/actbl2.h index fdabc6c64a9c..ba1a36d23e32 100644 --- a/include/acpi/actbl2.h +++ b/include/acpi/actbl2.h @@ -680,6 +680,7 @@ enum acpi_iort_node_type { ACPI_IORT_NODE_SMMU_V3 =3D 0x04, ACPI_IORT_NODE_PMCG =3D 0x05, ACPI_IORT_NODE_RMR =3D 0x06, + ACPI_IORT_NODE_IWB =3D 0x07, }; =20 struct acpi_iort_id_mapping { @@ -858,6 +859,12 @@ struct acpi_iort_rmr_desc { u32 reserved; }; =20 +struct acpi_iort_iwb { + u64 base_address; + u16 iwb_index; /* Unique IWB identifier matching with the IWB GSI namesp= ace. */ + char device_name[]; /* Path of the IWB namespace object */ +}; + /*************************************************************************= ****** * * IVRS - I/O Virtualization Reporting Structure --=20 2.50.1