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Mon, 2 Feb 2026 09:05:25 -0800 From: Daniel Jurgens To: , , , CC: , , , , , , , , , , , "Daniel Jurgens" Subject: [PATCH net-next v17 02/12] virtio: Add config_op for admin commands Date: Mon, 2 Feb 2026 11:05:08 -0600 Message-ID: <20260202170518.9076-3-danielj@nvidia.com> X-Mailer: git-send-email 2.50.1 In-Reply-To: <20260202170518.9076-1-danielj@nvidia.com> References: <20260202170518.9076-1-danielj@nvidia.com> Precedence: bulk X-Mailing-List: virtualization@lists.linux.dev 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: SJ5PEPF000001D5:EE_|SA1PR12MB7197:EE_ X-MS-Office365-Filtering-Correlation-Id: 01ed09d3-54fd-4b3f-d0af-08de627d5bd8 X-MS-Exchange-SenderADCheck: 1 X-MS-Exchange-AntiSpam-Relay: 0 X-Microsoft-Antispam: BCL:0;ARA:13230040|82310400026|7416014|376014|1800799024|36860700013; X-Microsoft-Antispam-Message-Info: =?us-ascii?Q?yG+neebr9XBmPlFICTfev5uMHfgJeTGNKvdPp8bMPNbMaWKKG3I/mmhDvB0d?= =?us-ascii?Q?c4/jfwUlHZ6YwNu9jtUT+YMMJ9EwSrXf0IdkZcmLpP2iQThiDlRtlPQWQhhy?= =?us-ascii?Q?BufUxTvx32hNUW87bmKuCNt/XBOW7OJLRdRsjCSKb8yuaGYUoqBum/U+rT3h?= =?us-ascii?Q?qJtVFc1MKPcfmjaWX4eraLCLrwvz043o+fD+a3+qvqR7kzjiAL1Lij4l6t53?= =?us-ascii?Q?LqrEgDc3Mc9CZmmS6w/1jpf3O99xpdVK7niKcV//klsvJ5G1VqjOUHTCQu+/?= =?us-ascii?Q?/OhgzaZdsBiPl+HcQjon9A/HQVlDY12SSUNBfySgu9K1MFWOPdH9L2dp37Co?= =?us-ascii?Q?ka3qYKn9m0Gwl0IFK6lDs+41nc6EU+5SdZgGhyg9yOjXiYo6Aq2pd2u9jR3M?= =?us-ascii?Q?GByIbXUvZ+Zw742IVUyKm1cUS9CtG7rWb2M7616FYeBD3TzTiIGXJwaj5a/b?= =?us-ascii?Q?sGy52D0saGNKDvf1DG3IoMRzS8FSL71EEAIBSfwgm113PIl78A1AZg7Q999Y?= =?us-ascii?Q?joz30cv2CVB7UBjm4MpG4yzLeQB2d/HoTtHZr/SqDJBjyUKwTepWtDzRi8+l?= =?us-ascii?Q?Dt6X2KPsk5S3PIHkUrBjWrTNx2T61UlNtaMHYDisWvAtWzuzZ97T37JbzKuS?= =?us-ascii?Q?llaoH31Yjjj0dsTUAmCDpTtIFTowfPOnHHIn63xqLLqz6+/Yo1TBX7ktiNcN?= =?us-ascii?Q?A+H2yyfaQhX2ERVbKI5PqYEDoqfk6KG+KbTMrZhdQ6b1y+sI5yWanwD8bM8/?= =?us-ascii?Q?+GsAv18qHHG5yXVmSWmq+2w7YRipmf8oe8F6OPfjbHWWvPgbQ0D9rD0x9KRF?= =?us-ascii?Q?8Kj8itZVebRQPYEdjin6q4sAHNLDfsfU0Pu0tCq+3MMGrp3Nnvxf8KSU+W/d?= =?us-ascii?Q?byCZ7ebT+abpZmjwyS+UrY/zfPCqAYoNOeWnfTdlmDkCVn711e/kvVDUjkhL?= =?us-ascii?Q?at2F2eZHomngXo1KOsAbjRR4tfbuXjz5Kmy+JhlvoLPDce1JOs9YBlfgE78n?= =?us-ascii?Q?5Uh2Xaag09zwc4t834Mt3qp/Ets/5+8xoJB9nlCR+XNL0fi2GIgAMH1LvaJL?= =?us-ascii?Q?hrkayB7ST9veezLAG/u9AhF1kHPTVdJI2ywi7zqBAN1yr/xTI3LQzz3yjxaE?= =?us-ascii?Q?5GH11XbZfvNhx/0wtuKbqAUAN0VD10I4CxpHAGZfWwEn6GQ1rpRzpUvE9blg?= =?us-ascii?Q?MOO6HEOBxFwyKL7djYsJup/4A5EMMkq/CH4xGf0cdXAZho0HjZKVbbVClwku?= =?us-ascii?Q?qlQ1O4feLH8qaRFHaIjAwaIqYI/0b7sMfIT52TJe2eUGyZJBJON/MKSojjfr?= =?us-ascii?Q?DOs1PBrYycpYWDEh+XeJ8IPX4B5ALiyxPBrd0oJT/5ibVZoqrZrajPhduPC0?= =?us-ascii?Q?qTbRJbciy0RDqslatj+yOGs7/ahEq8E3BtN6reNqSxc5k5SDg45W/9qxziAE?= =?us-ascii?Q?kcRl4NuMjEliUJwP8t08qGRYk25xd4/59uTwoyjTtgLe0BQJeAvSm1oqQrjk?= =?us-ascii?Q?QiXQohhHUvQ+vOFdgLqcd2JO+tjIdwSsH28t9Zbi9LlMeKCMBnAklbKRAmPM?= =?us-ascii?Q?sA1nkQeGXnl99WLRpYAEDHm30s/MuLadoki/yFQg0sis6BTN7zDYqdYU4GKg?= =?us-ascii?Q?+5AINcHQalpwjy5W2iIEfTkKl4Ia+c+xzdO7zqOv18iA2kSzP9y/QbFV3Hsx?= =?us-ascii?Q?lRI1Bw=3D=3D?= X-Forefront-Antispam-Report: CIP:216.228.118.232;CTRY:US;LANG:en;SCL:1;SRV:;IPV:NLI;SFV:NSPM;H:mail.nvidia.com;PTR:dc7edge1.nvidia.com;CAT:NONE;SFS:(13230040)(82310400026)(7416014)(376014)(1800799024)(36860700013);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