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Received-SPF: Pass (protection.outlook.com: domain of amd.com designates 165.204.84.17 as permitted sender) receiver=protection.outlook.com; client-ip=165.204.84.17; helo=satlexmb07.amd.com; pr=C Received: from satlexmb07.amd.com (165.204.84.17) by CH1PEPF0000AD7F.mail.protection.outlook.com (10.167.244.88) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.21.451.8 via Frontend Transport; Thu, 24 Sep 2026 09:56:14 +0000 Received: from honglei-remote.amd.com (10.180.168.240) by satlexmb07.amd.com (10.181.42.216) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.2.2562.49; Thu, 24 Sep 2026 04:56:11 -0500 From: Honglei Huang To: , , , CC: , , , , , , Honglei Huang Subject: [RFC PATCH v9 1/4] drm/virtio-gpu: Add VIRTIO_GPU_CAPSET_ROCM capability Date: Thu, 24 Sep 2026 17:55:53 +0800 Message-ID: <20260924095556.1326164-2-honghuan@amd.com> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20260924095556.1326164-1-honghuan@amd.com> References: <20260924095556.1326164-1-honghuan@amd.com> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Content-Type: text/plain X-ClientProxiedBy: satlexmb07.amd.com (10.181.42.216) To satlexmb07.amd.com (10.181.42.216) X-EOPAttributedMessage: 0 X-MS-PublicTrafficType: Email X-MS-TrafficTypeDiagnostic: CH1PEPF0000AD7F:EE_|SA1PR12MB999107:EE_ X-MS-Office365-Filtering-Correlation-Id: 77e73dd1-6f8c-486a-1ec4-08df1a221231 X-MS-Exchange-SenderADCheck: 1 X-MS-Exchange-AntiSpam-Relay: 0 X-Microsoft-Antispam: BCL:0;ARA:13230040|1800799024|82310400026|36860700016|23010399003|376014|10067099003|56012099006|11063799006|18002099003|22082099003|6133799003; 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X-MS-Exchange-AntiSpam-MessageData-ChunkCount: 1 X-MS-Exchange-AntiSpam-MessageData-0: YPAtiAV/ygHc+u+ocMCabko9dy4xMaicX8RHV3AA1kEf4Y9HY29wPjh6tDeQJ44PaAyyUMRBTlRyDoTsWA/rLoPPT/qpCkl1Fi/eRtBU/csVfouUmi+zRKvZPetYmMcyLeZWqY7yN9mxBLoLPjQdssRgtXPL2upspANx/T5O+FQS7n8XeULZ1HEzZFxbtFyzPsUKFF4IrAhquSUNqtZlL9eV81+OSfwsUSr+268f5rZ+QEiiiH8/9BVA7c83kUzTy/Li0q4mCmgy6ePi1gtpTVxhHwXnasc/QSZ2UVswizk54GSpFHHZkVTUfh/oj4MD/9eZ7TSm1B8YVASr8ucpObMvBbE0wqgrgUmgeayNUod4q6Kw4fdQ2mU1LDIubRVM0ilswa/iX/5Mfi1oZ15Bvw+5R5Ma8jeN9iron7U97e+GTXxSnC4nzy7YPCfbjsyq X-OriginatorOrg: amd.com X-MS-Exchange-CrossTenant-OriginalArrivalTime: 24 Sep 2026 09:56:14.5482 (UTC) X-MS-Exchange-CrossTenant-Network-Message-Id: 77e73dd1-6f8c-486a-1ec4-08df1a221231 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: CH1PEPF0000AD7F.namprd04.prod.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Anonymous X-MS-Exchange-CrossTenant-FromEntityHeader: HybridOnPrem X-MS-Exchange-Transport-CrossTenantHeadersStamped: SA1PR12MB999107 Add a new GPU capability set VIRTIO_GPU_CAPSET_ROCM to support ROCm compute workloads in virtualized environments. ROCm (Radeon Open Compute) is AMD's open-source software platform for GPU compute and HPC workloads. ID 7 is already used by VIRCL, and gfxstream's rutabaga_gfx has already claimed IDs 7-9 ahead of any spec or kernel header update, so ROCm uses ID 10 to avoid a further collision. A matching virtio-gpu specification change is in progress to register this assignment. Also add the matching VIRTGPU_DRM_CAPSET_ROCM alias in virtgpu_drm.h for consistency with the other capability sets exposed through DRM_IOCTL_VIRTGPU_GET_CAPS. Signed-off-by: Honglei Huang --- include/uapi/drm/virtgpu_drm.h | 1 + include/uapi/linux/virtio_gpu.h | 1 + 2 files changed, 2 insertions(+) diff --git a/include/uapi/drm/virtgpu_drm.h b/include/uapi/drm/virtgpu_drm.h index 95587e12ae..9b886e9772 100644 --- a/include/uapi/drm/virtgpu_drm.h +++ b/include/uapi/drm/virtgpu_drm.h @@ -170,6 +170,7 @@ struct drm_virtgpu_3d_wait { #define VIRTGPU_DRM_CAPSET_VENUS 4 #define VIRTGPU_DRM_CAPSET_CROSS_DOMAIN 5 #define VIRTGPU_DRM_CAPSET_DRM 6 +#define VIRTGPU_DRM_CAPSET_ROCM 10 struct drm_virtgpu_get_caps { __u32 cap_set_id; __u32 cap_set_ver; diff --git a/include/uapi/linux/virtio_gpu.h b/include/uapi/linux/virtio_gpu.h index 4f530d9005..e22049835e 100644 --- a/include/uapi/linux/virtio_gpu.h +++ b/include/uapi/linux/virtio_gpu.h @@ -321,6 +321,7 @@ struct virtio_gpu_cmd_submit { #define VIRTIO_GPU_CAPSET_VENUS 4 #define VIRTIO_GPU_CAPSET_CROSS_DOMAIN 5 #define VIRTIO_GPU_CAPSET_DRM 6 +#define VIRTIO_GPU_CAPSET_ROCM 10 /* VIRTIO_GPU_CMD_GET_CAPSET_INFO */ struct virtio_gpu_get_capset_info { base-commit: 766bfba0f3bae329f99b42dcabc3ef11fa368f0b -- 2.34.1