From nobody Mon Feb 9 08:28:27 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 7E3C9395DB1; Wed, 14 Jan 2026 12:42:04 +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=1768394526; cv=none; b=tedrAzgj6TfrFzV5tAaWDp/ilvyugM1aGzWIRuOi7Pj0Kr6gzQZxXxqfjFsMsln/wK1YDUwta8doYn4Z5+kV8QmoA7gcjkqZFEcEZ+iRVDHakjHfz9hdZUsknlh1lUg5NOHJLzWt+cDiAAS/nWSfod3Jiz+QYQM2qmHmDYesABA= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1768394526; c=relaxed/simple; bh=a/2w7oc6l/7Eqa+MO00WeOa+bPLtlxm5XRj21zfRumo=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version:Content-Type; b=tP4nxereurSRsc0wEjXg8RIvdTjJMkRiGcyGygidREIlhiG4LK4THIG7kzEtRvJdvC4xX9yAPjVPprhXs6l0TR80DBhglngyHD/icPVm5vD3Kn56of9Yb8bWKcEeuIH/713uLQBdrAg9dJ7xoThhWpJKFFi+StGANY/Qt9UWDFE= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=UYiMBNFo; 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="UYiMBNFo" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 608AAC16AAE; Wed, 14 Jan 2026 12:42:03 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1768394524; bh=a/2w7oc6l/7Eqa+MO00WeOa+bPLtlxm5XRj21zfRumo=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=UYiMBNFoeGKefp2vT5QeETFKPlh/it6K/P5TGQQU1QMd4Hc7D0l/xzyN21aq3fCAE TyD8DqrUkNRaSPQUf4NfI13BmwfW2zrgNB6ZHSV1Usvns8WDwt/+NmdwtI74YCENxr Lhz+BL5b5B4yS4m510foE4lCnxHnNQSbVMtCjbMbe2VWIDtzlMdXAgWipzSqUUO7Ro kK/+DwFjAbQR/FMUmuwygEIU9v1hAeUDVj5Dq/lP3/9ojyLRYgB027qvoxW8YPksw0 8duugZscPkkjXDwSxPlqd7lYqr1WzbIXTLesgPQ+ktZeXfSOok+v+Jeedni8VKQv4T 64Yrq1NKLlgSQ== From: "Rafael J. Wysocki" To: Linux ACPI Cc: LKML , "Dumbre, Saket" Subject: [PATCH v1 15/26] ACPICA: Add Arm IORT IWB node definitions Date: Wed, 14 Jan 2026 13:29:59 +0100 Message-ID: <2691130.Lt9SDvczpP@rafael.j.wysocki> Organization: Linux Kernel Development In-Reply-To: <12822121.O9o76ZdvQC@rafael.j.wysocki> References: <12822121.O9o76ZdvQC@rafael.j.wysocki> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset="utf-8" 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/a90dc2f5380c Signed-off-by: Jose Marinho Signed-off-by: Rafael J. Wysocki --- include/acpi/actbl2.h | 7 +++++++ 1 file changed, 7 insertions(+) diff --git a/include/acpi/actbl2.h b/include/acpi/actbl2.h index 05ce897f1eeb..01dc35e4b60a 100644 --- a/include/acpi/actbl2.h +++ b/include/acpi/actbl2.h @@ -682,6 +682,7 @@ 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 { @@ -860,6 +861,12 @@ 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 */ +}; + /*************************************************************************= ****** * * IOVT - I/O Virtualization Table --=20 2.51.0