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Tue, 3 Feb 2026 14:29:05 -0800 From: Daniel Jurgens To: , , , CC: , , , , , , , , , , , "Daniel Jurgens" Subject: [PATCH net-next v18 02/12] virtio: Add config_op for admin commands Date: Tue, 3 Feb 2026 16:28:49 -0600 Message-ID: <20260203222859.4219-3-danielj@nvidia.com> X-Mailer: git-send-email 2.50.1 In-Reply-To: <20260203222859.4219-1-danielj@nvidia.com> References: <20260203222859.4219-1-danielj@nvidia.com> Precedence: bulk X-Mailing-List: netdev@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Content-Type: text/plain X-NV-OnPremToCloud: ExternallySecured X-EOPAttributedMessage: 0 X-MS-PublicTrafficType: Email X-MS-TrafficTypeDiagnostic: BN1PEPF00006002:EE_|IA0PR12MB8981:EE_ X-MS-Office365-Filtering-Correlation-Id: c929284c-03d0-47be-408b-08de6373b040 X-MS-Exchange-SenderADCheck: 1 X-MS-Exchange-AntiSpam-Relay: 0 X-Microsoft-Antispam: BCL:0;ARA:13230040|36860700013|7416014|82310400026|376014|1800799024; X-Microsoft-Antispam-Message-Info: =?us-ascii?Q?3JdBb8iLK6BHYHtcnXQ/+CEcDkYuKExmqr6Bn/PVi1MIUCCgciOKU9iPbPa/?= =?us-ascii?Q?20KrTVKY5OCpTZmPuKS1XEYz6sXMCo8JurJC72/KKEKnewqu0MTpAEHa4r4C?= =?us-ascii?Q?1ju1R6+rA8Z+gZk7I9ZQwTEU/poXefnoQwE61oZRVDU+NBsBuQrZqjPA82ME?= =?us-ascii?Q?+oe7I8pM1Z64Ls/XbKbbYHk7oRoJv1+J544h5E8IFbKjRZfnseAga8ITgEWN?= =?us-ascii?Q?6HBmx9hf0YfBMRpfGPhokax9CVuPEeGOeRcB7mJqCn3TKvZIvV81gRZ+6klb?= =?us-ascii?Q?Nhshqw17duYEAQELPR4hmPXjveK0dSS3zrP6mo/4vrW3YA28tARWeu3gl0Oc?= =?us-ascii?Q?2XvWjTrrkCEs4PVUwaEMqok7NzwXVLphS76Uu1uYJ9toRMcpUWWJQb54TjuM?= =?us-ascii?Q?/ZuJhoxjcV5PMOp5QG3qDA16SK7JOjP+8k5rq/qw/bDrnjDHVcYvGunqB/gJ?= =?us-ascii?Q?yRH4y855+sOt6jHCdZB/nmOtSv66oiUCuyOOcQbpgEhyZI80x0JjffYNOXyM?= =?us-ascii?Q?39fjSpQkkR9ezw/WBmYSg/sDe46phAsVvswucQ+7zRK5chiaPaZahN5tttkW?= =?us-ascii?Q?ueENZ1PuIG8lqyhIv2eUdlzw6FhdXQiJSrjQ4YIIIDAAKJShVoPn7BaeTrfk?= =?us-ascii?Q?BLkur0yilu0pZNAJOcBEVzEtH6QPWkNDJi+vMdhWfrxzno/Qja+4z+RcA8Cn?= =?us-ascii?Q?QZfh6S0XOREXQA2zYNcIh1phBei8gQ0M2/sAMraRX/MDkJn+lEgME/uePue3?= =?us-ascii?Q?w76g6xXuZqhBHteTpx2AFQlgVVEzvXnbP+Rg7K10geAgjLJkD/U6ZCUxiYAX?= =?us-ascii?Q?gPmx8flUw+WzIPmShrgx9bmpe3byNU20Txd0cqvYIYpsr6w0wvftxRG4BQqX?= =?us-ascii?Q?YVwCM9rLQHEhmn4YqSJGCqwgQLrgi0L6IfIqKBa0Dfz65kRdecc3TpjePOCu?= =?us-ascii?Q?6FjQEnwGzMRxe/RXzqcsnAJF8BTEeNDoKTvIfYVbT/pSDJ7GTKbxTaQ8maz0?= =?us-ascii?Q?z1NG7YnOEeRW+hjjGHysEUogd9cWCOdvJOy0pAEoDYWQbDqDec0YK1Krc00I?= =?us-ascii?Q?RraQbrWdjB2dtlQFLujZi1o/4IxgDageCd8ZyLT5DPOyyNWmKXvh7Pz58w57?= =?us-ascii?Q?atutiDjC8HjUe3HlANVwbZAHqkiAGMC1PbOGFZq8VG5R8CQ02EwYzTwJpMY3?= =?us-ascii?Q?6fPHBPz+WZs6sxOn8JsDy7+5+BQP1rU4iG+rVNpl6YkZXwl2TAsc5fACBotl?= =?us-ascii?Q?WOPDWP6E1Qb3uHq+46GAWjJIeLCFjeObRVmawrO8k8LYkeVDPHI62tGUP+ge?= =?us-ascii?Q?HJt0gAqcwq1+MowxqV8T4qsZTTlNhnn8gASbApVgSa+DqnQA5QQjqPnF4ri/?= =?us-ascii?Q?Uhpu1tWPSM8ILTbh2DuL2g7rCMc4WR/U8HRyNWp5DWNvSzJqSRkJPCHx3NpO?= =?us-ascii?Q?8xNafM10aFmWzCA7OLQ2E3tq4VSeTvi8UjflADepIfSDRZ1jx+Xg8pL/oTtB?= =?us-ascii?Q?B6oQXvKrYGhSy1S985wlK0MdYNi906cUohSe3piAKp7qwjbIMFk8On5JwOR7?= =?us-ascii?Q?HMTDkeJuG+5CujOVUDN82mHyW10MKbDpbhRwOXy89p+KuJaYy1d7UWJcWGMN?= =?us-ascii?Q?RKX8QyH3w8wutAC1gY951jiBy70DGMAnwgRiGm0cH3kiJeEYOcF5s55EsUN+?= =?us-ascii?Q?CmNNWQ=3D=3D?= X-Forefront-Antispam-Report: CIP:216.228.118.233;CTRY:US;LANG:en;SCL:1;SRV:;IPV:NLI;SFV:NSPM;H:mail.nvidia.com;PTR:dc7edge2.nvidia.com;CAT:NONE;SFS:(13230040)(36860700013)(7416014)(82310400026)(376014)(1800799024);DIR:OUT;SFP:1101; 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Signed-off-by: Daniel Jurgens Reviewed-by: Parav Pandit Reviewed-by: Xuan Zhuo --- v4: New patch for v4 v12: Add (optional) to admin_cmd_exec field. MST --- drivers/virtio/virtio_pci_modern.c | 2 ++ include/linux/virtio_config.h | 6 ++++++ 2 files changed, 8 insertions(+) diff --git a/drivers/virtio/virtio_pci_modern.c b/drivers/virtio/virtio_pci_modern.c index 1675d6cda416..e2a813b3b3fd 100644 --- a/drivers/virtio/virtio_pci_modern.c +++ b/drivers/virtio/virtio_pci_modern.c @@ -1236,6 +1236,7 @@ static const struct virtio_config_ops virtio_pci_config_nodev_ops = { .get_shm_region = vp_get_shm_region, .disable_vq_and_reset = vp_modern_disable_vq_and_reset, .enable_vq_after_reset = vp_modern_enable_vq_after_reset, + .admin_cmd_exec = vp_modern_admin_cmd_exec, }; static const struct virtio_config_ops virtio_pci_config_ops = { @@ -1256,6 +1257,7 @@ static const struct virtio_config_ops virtio_pci_config_ops = { .get_shm_region = vp_get_shm_region, .disable_vq_and_reset = vp_modern_disable_vq_and_reset, .enable_vq_after_reset = vp_modern_enable_vq_after_reset, + .admin_cmd_exec = vp_modern_admin_cmd_exec, }; /* the PCI probing function */ diff --git a/include/linux/virtio_config.h b/include/linux/virtio_config.h index 69f84ea85d71..e36a32e0a20c 100644 --- a/include/linux/virtio_config.h +++ b/include/linux/virtio_config.h @@ -108,6 +108,10 @@ struct virtqueue_info { * Returns 0 on success or error status * If disable_vq_and_reset is set, then enable_vq_after_reset must also be * set. + * @admin_cmd_exec: Execute an admin VQ command (optional). + * vdev: the virtio_device + * cmd: the command to execute + * Returns 0 on success or error status */ struct virtio_config_ops { void (*get)(struct virtio_device *vdev, unsigned offset, @@ -137,6 +141,8 @@ struct virtio_config_ops { struct virtio_shm_region *region, u8 id); int (*disable_vq_and_reset)(struct virtqueue *vq); int (*enable_vq_after_reset)(struct virtqueue *vq); + int (*admin_cmd_exec)(struct virtio_device *vdev, + struct virtio_admin_cmd *cmd); }; /** -- 2.50.1