From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id 9D4C6D6ACDE for ; Thu, 18 Dec 2025 10:15:21 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender:List-Subscribe:List-Help :List-Post:List-Archive:List-Unsubscribe:List-Id:Cc:To:In-Reply-To:References :Message-Id:Content-Transfer-Encoding:Content-Type:MIME-Version:Subject:Date: From:Reply-To:Content-ID:Content-Description:Resent-Date:Resent-From: Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:List-Owner; bh=yGmzm05T3B8bd0IZiCZjN5Fy0FCk0PyPaPjT6rtFhGs=; b=rwN6BpnyGK5FGXSaflFrcemDpo 6PqQyYKOQPhEqvgZQKvRSzgV5T4KqEgVsdBYqSZxYCKeFLTgmenkHB90ezYWUamf1V0tUYKOUdkjs wNKRbMFACdi97izkLg0/xqWKFHzNYZAnYwbx9/YdGVSnXgFdQhPwnWmrGE3dt4/H1BvEf4FmsgbwK 0ZVF9Q+LNRdaWVGcw7A5tUQf7B/OnubXNPV7xVQqPNn08F5dnr+biPJfHv6hUizMN+d7nw50Edqzu 4NyOxM7EejGYnfYQy6YIxEpFJORdvRPPE08mJ9C++H8kUs2/uWHNjxf9JEsAvqBFUYFr2aJ0PslPj izRAbFNg==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.98.2 #2 (Red Hat Linux)) id 1vWB2T-00000008Cq3-0Ndj; Thu, 18 Dec 2025 10:15:17 +0000 Received: from tor.source.kernel.org ([2600:3c04:e001:324:0:1991:8:25]) by bombadil.infradead.org with esmtps (Exim 4.98.2 #2 (Red Hat Linux)) id 1vWB2R-00000008Cp0-0JcG for linux-arm-kernel@lists.infradead.org; Thu, 18 Dec 2025 10:15:16 +0000 Received: from smtp.kernel.org (transwarp.subspace.kernel.org [100.75.92.58]) by tor.source.kernel.org (Postfix) with ESMTP id 7FCF960126; Thu, 18 Dec 2025 10:15:14 +0000 (UTC) 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 MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 7bit 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 X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org 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 = 0x04, ACPI_IORT_NODE_PMCG = 0x05, ACPI_IORT_NODE_RMR = 0x06, + ACPI_IORT_NODE_IWB = 0x07, }; struct acpi_iort_id_mapping { @@ -858,6 +859,12 @@ struct acpi_iort_rmr_desc { u32 reserved; }; +struct acpi_iort_iwb { + u64 base_address; + u16 iwb_index; /* Unique IWB identifier matching with the IWB GSI namespace. */ + char device_name[]; /* Path of the IWB namespace object */ +}; + /******************************************************************************* * * IVRS - I/O Virtualization Reporting Structure -- 2.50.1