From patchwork Mon Apr 4 12:41:59 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Shameerali Kolothum Thodi X-Patchwork-Id: 12800163 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 vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id A7F87C433F5 for ; Mon, 4 Apr 2022 12:43:06 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1344509AbiDDMpB (ORCPT ); Mon, 4 Apr 2022 08:45:01 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:52752 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S233970AbiDDMpA (ORCPT ); Mon, 4 Apr 2022 08:45:00 -0400 Received: from frasgout.his.huawei.com (frasgout.his.huawei.com [185.176.79.56]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id E3DF12F3A5 for ; Mon, 4 Apr 2022 05:43:04 -0700 (PDT) Received: from fraeml739-chm.china.huawei.com (unknown [172.18.147.201]) by frasgout.his.huawei.com (SkyGuard) with ESMTP id 4KX9PC1Cqvz67bZ4; Mon, 4 Apr 2022 20:41:03 +0800 (CST) Received: from lhreml710-chm.china.huawei.com (10.201.108.61) by fraeml739-chm.china.huawei.com (10.206.15.220) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id 15.1.2375.24; Mon, 4 Apr 2022 14:43:02 +0200 Received: from A2006125610.china.huawei.com (10.47.93.34) by lhreml710-chm.china.huawei.com (10.201.108.61) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id 15.1.2375.24; Mon, 4 Apr 2022 13:42:54 +0100 From: Shameer Kolothum To: , , CC: , , , , , , , , , , , , Subject: [PATCH v9 01/11] ACPI/IORT: Add temporary RMR node flag definitions Date: Mon, 4 Apr 2022 13:41:59 +0100 Message-ID: <20220404124209.1086-2-shameerali.kolothum.thodi@huawei.com> X-Mailer: git-send-email 2.12.0.windows.1 In-Reply-To: <20220404124209.1086-1-shameerali.kolothum.thodi@huawei.com> References: <20220404124209.1086-1-shameerali.kolothum.thodi@huawei.com> MIME-Version: 1.0 X-Originating-IP: [10.47.93.34] X-ClientProxiedBy: dggems704-chm.china.huawei.com (10.3.19.181) To lhreml710-chm.china.huawei.com (10.201.108.61) X-CFilter-Loop: Reflected Precedence: bulk List-ID: X-Mailing-List: linux-acpi@vger.kernel.org IORT rev E.d introduces more details into the RMR node Flags field. Add temporary definitions to describe and access these Flags field until ACPICA header is updated to support E.d. This patch can be reverted once the include/acpi/actbl2.h has all the relevant definitions. Signed-off-by: Shameer Kolothum --- Please find the ACPICA E.d related changes pull request here, https://github.com/acpica/acpica/pull/765 This is now merged to acpica:master. --- drivers/acpi/arm64/iort.c | 24 ++++++++++++++++++++++++ 1 file changed, 24 insertions(+) diff --git a/drivers/acpi/arm64/iort.c b/drivers/acpi/arm64/iort.c index f2f8f05662de..fd06cf43ba31 100644 --- a/drivers/acpi/arm64/iort.c +++ b/drivers/acpi/arm64/iort.c @@ -25,6 +25,30 @@ #define IORT_IOMMU_TYPE ((1 << ACPI_IORT_NODE_SMMU) | \ (1 << ACPI_IORT_NODE_SMMU_V3)) +/* + * The following RMR related definitions are temporary and + * can be removed once ACPICA headers support IORT rev E.d + */ +#ifndef ACPI_IORT_RMR_REMAP_PERMITTED +#define ACPI_IORT_RMR_REMAP_PERMITTED (1) +#endif + +#ifndef ACPI_IORT_RMR_ACCESS_PRIVILEGE +#define ACPI_IORT_RMR_ACCESS_PRIVILEGE (1 << 1) +#endif + +#ifndef ACPI_IORT_RMR_ACCESS_ATTRIBUTES +#define ACPI_IORT_RMR_ACCESS_ATTRIBUTES(flags) (((flags) >> 2) & 0xFF) +#endif + +#ifndef ACPI_IORT_RMR_ATTR_DEVICE_GRE +#define ACPI_IORT_RMR_ATTR_DEVICE_GRE 0x03 +#endif + +#ifndef ACPI_IORT_RMR_ATTR_NORMAL_IWB_OWB +#define ACPI_IORT_RMR_ATTR_NORMAL_IWB_OWB 0x05 +#endif + struct iort_its_msi_chip { struct list_head list; struct fwnode_handle *fw_node;