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Iglesias" , =?UTF-8?q?Philippe=20Mathieu-Daud=C3=A9?= , Alistair Francis , "Frederic Konrad" , Sai Pavan Boddu Subject: [PATCH v5 37/47] hw/arm/xlnx-versal: add a per_cluster_gic switch to VersalCpuClusterMap Date: Fri, 12 Sep 2025 12:00:46 +0200 Message-ID: <20250912100059.103997-38-luc.michel@amd.com> X-Mailer: git-send-email 2.50.1 In-Reply-To: <20250912100059.103997-1-luc.michel@amd.com> References: <20250912100059.103997-1-luc.michel@amd.com> MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: quoted-printable Received-SPF: None (SATLEXMB05.amd.com: luc.michel@amd.com does not designate permitted sender hosts) X-EOPAttributedMessage: 0 X-MS-PublicTrafficType: Email X-MS-TrafficTypeDiagnostic: DS3PEPF000099E0:EE_|IA1PR12MB6163:EE_ X-MS-Office365-Filtering-Correlation-Id: 80d3a025-3fe0-4f60-e01a-08ddf1e39694 X-MS-Exchange-SenderADCheck: 1 X-MS-Exchange-AntiSpam-Relay: 0 X-Microsoft-Antispam: BCL:0; ARA:13230040|1800799024|36860700013|376014|82310400026; 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CTRY:US; LANG:en; SCL:1; SRV:; IPV:CAL; SFV:NSPM; H:satlexmb07.amd.com; PTR:InfoDomainNonexistent; CAT:NONE; SFS:(13230040)(1800799024)(36860700013)(376014)(82310400026); DIR:OUT; SFP:1101; X-OriginatorOrg: amd.com X-MS-Exchange-CrossTenant-OriginalArrivalTime: 12 Sep 2025 10:03:14.1882 (UTC) X-MS-Exchange-CrossTenant-Network-Message-Id: 80d3a025-3fe0-4f60-e01a-08ddf1e39694 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=[satlexmb07.amd.com] X-MS-Exchange-CrossTenant-AuthSource: DS3PEPF000099E0.namprd04.prod.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Anonymous X-MS-Exchange-CrossTenant-FromEntityHeader: HybridOnPrem X-MS-Exchange-Transport-CrossTenantHeadersStamped: IA1PR12MB6163 Received-SPF: permerror client-ip=2a01:111:f403:2417::618; envelope-from=Luc.Michel@amd.com; helo=NAM12-DM6-obe.outbound.protection.outlook.com X-Spam_score_int: -20 X-Spam_score: -2.1 X-Spam_bar: -- X-Spam_report: (-2.1 / 5.0 requ) BAYES_00=-1.9, DKIMWL_WL_HIGH=-0.001, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, SPF_HELO_PASS=-0.001, SPF_PASS=-0.001 autolearn=ham autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: qemu-devel-bounces+importer=patchew.org@nongnu.org Sender: qemu-devel-bounces+importer=patchew.org@nongnu.org X-ZohoMail-DKIM: pass (identity @amd.com) X-ZM-MESSAGEID: 1757672315251116600 Add the per_cluster_gic switch to the VersalCpuClusterMap structure. When set, this indicates that a GIC instance should by created per-cluster instead of globally for the whole RPU or APU. This is in preparation for versal2. Signed-off-by: Luc Michel Reviewed-by: Francisco Iglesias Reviewed-by: Philippe Mathieu-Daud=C3=A9 --- hw/arm/xlnx-versal.c | 15 +++++++++++++-- 1 file changed, 13 insertions(+), 2 deletions(-) diff --git a/hw/arm/xlnx-versal.c b/hw/arm/xlnx-versal.c index 19ef169e11a..bf474bdf37d 100644 --- a/hw/arm/xlnx-versal.c +++ b/hw/arm/xlnx-versal.c @@ -86,10 +86,15 @@ enum StartPoweredOffMode { SPO_ALL, }; =20 typedef struct VersalCpuClusterMap { VersalGicMap gic; + /* + * true: one GIC per cluster. + * false: one GIC for all CPUs + */ + bool per_cluster_gic; =20 const char *name; const char *cpu_model; size_t num_core; size_t num_cluster; @@ -823,16 +828,22 @@ static void versal_create_cpu_cluster(Versal *s, cons= t VersalCpuClusterMap *map) DeviceState *cpu =3D versal_create_cpu(s, map, cluster, mr, i,= j); =20 cpus[i * map->num_core + j] =3D cpu; } =20 + if (map->per_cluster_gic) { + versal_create_and_connect_gic(s, map, mr, &cpus[i * map->num_c= ore], + map->num_core); + } } =20 qdev_realize_and_unref(cluster, NULL, &error_fatal); =20 - versal_create_and_connect_gic(s, map, mr, cpus, - map->num_cluster * map->num_core); + if (!map->per_cluster_gic) { + versal_create_and_connect_gic(s, map, mr, cpus, + map->num_cluster * map->num_core); + } =20 has_gtimer =3D arm_feature(&ARM_CPU(cpus[0])->env, ARM_FEATURE_GENERIC= _TIMER); if (map->dtb_expose && has_gtimer) { qemu_fdt_add_subnode(s->cfg.fdt, "/timer"); qemu_fdt_setprop_cells(s->cfg.fdt, "/timer", "interrupts", --=20 2.50.1