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pr=C From: Vikram Garhwal To: CC: , Vikram Garhwal , "Andrew Cooper" , George Dunlap , Jan Beulich , Julien Grall , Wei Liu , Bertrand Marquis , Volodymyr Babchuk Subject: [XEN][PATCH v5 03/17] xen/arm: Add CONFIG_OVERLAY_DTB Date: Tue, 11 Apr 2023 12:16:22 -0700 Message-ID: <20230411191636.26926-22-vikram.garhwal@amd.com> X-Mailer: git-send-email 2.17.1 In-Reply-To: <20230411191636.26926-1-vikram.garhwal@amd.com> References: <20230411191636.26926-1-vikram.garhwal@amd.com> MIME-Version: 1.0 Content-Type: text/plain X-EOPAttributedMessage: 0 X-MS-PublicTrafficType: Email X-MS-TrafficTypeDiagnostic: BN8NAM11FT107:EE_|MW4PR12MB7166:EE_ X-MS-Office365-Filtering-Correlation-Id: 2d21aa73-be46-49f3-61ab-08db3ac15aec X-MS-Exchange-SenderADCheck: 1 X-MS-Exchange-AntiSpam-Relay: 0 X-Microsoft-Antispam: BCL:0; X-Microsoft-Antispam-Message-Info: 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 X-Forefront-Antispam-Report: CIP:165.204.84.17;CTRY:US;LANG:en;SCL:1;SRV:;IPV:CAL;SFV:NSPM;H:SATLEXMB04.amd.com;PTR:InfoDomainNonexistent;CAT:NONE;SFS:(13230028)(4636009)(136003)(39860400002)(396003)(376002)(346002)(451199021)(36840700001)(40470700004)(46966006)(186003)(8936002)(1076003)(26005)(40460700003)(478600001)(82310400005)(36860700001)(316002)(70206006)(54906003)(40480700001)(4326008)(6916009)(81166007)(6666004)(36756003)(86362001)(356005)(8676002)(70586007)(82740400003)(41300700001)(44832011)(2616005)(2906002)(47076005)(426003)(336012)(5660300002)(36900700001);DIR:OUT;SFP:1101; X-OriginatorOrg: amd.com X-MS-Exchange-CrossTenant-OriginalArrivalTime: 11 Apr 2023 19:17:13.1128 (UTC) X-MS-Exchange-CrossTenant-Network-Message-Id: 2d21aa73-be46-49f3-61ab-08db3ac15aec X-MS-Exchange-CrossTenant-Id: 3dd8961f-e488-4e60-8e11-a82d994e183d X-MS-Exchange-CrossTenant-OriginalAttributedTenantConnectingIp: TenantId=3dd8961f-e488-4e60-8e11-a82d994e183d;Ip=[165.204.84.17];Helo=[SATLEXMB04.amd.com] X-MS-Exchange-CrossTenant-AuthSource: BN8NAM11FT107.eop-nam11.prod.protection.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Anonymous X-MS-Exchange-CrossTenant-FromEntityHeader: HybridOnPrem X-MS-Exchange-Transport-CrossTenantHeadersStamped: MW4PR12MB7166 Introduce a config option where the user can enable support for adding/removing device tree nodes using a device tree binary overlay. Signed-off-by: Vikram Garhwal --- SUPPORT.md | 6 ++++++ xen/arch/arm/Kconfig | 5 +++++ 2 files changed, 11 insertions(+) diff --git a/SUPPORT.md b/SUPPORT.md index aa1940e55f..0a31f40af4 100644 --- a/SUPPORT.md +++ b/SUPPORT.md @@ -822,6 +822,12 @@ No support for QEMU backends in a 16K or 64K domain. Status: Supported +### Device Tree Overlays + +Add/Remove device tree nodes using a device tree overlay binary(.dtbo). + + Status: Supported for ARM + ### ARM: Guest ACPI support Status: Supported diff --git a/xen/arch/arm/Kconfig b/xen/arch/arm/Kconfig index 239d3aed3c..1fe3d698a5 100644 --- a/xen/arch/arm/Kconfig +++ b/xen/arch/arm/Kconfig @@ -53,6 +53,11 @@ config HAS_ITS bool "GICv3 ITS MSI controller support (UNSUPPORTED)" if UNSUPPORTED depends on GICV3 && !NEW_VGIC && !ARM_32 +config OVERLAY_DTB + bool "DTB overlay support (UNSUPPORTED)" if UNSUPPORTED + help + Dynamic addition/removal of Xen device tree nodes using a dtbo. + config HVM def_bool y -- 2.17.1