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Wed, 4 Feb 2026 14:39:46 -0800 From: Daniel Jurgens To: , , , CC: , , , , , , , , , , , "Daniel Jurgens" Subject: [PATCH net-next v19 02/12] virtio: Add config_op for admin commands Date: Wed, 4 Feb 2026 16:39:30 -0600 Message-ID: <20260204223940.39581-3-danielj@nvidia.com> X-Mailer: git-send-email 2.47.0 In-Reply-To: <20260204223940.39581-1-danielj@nvidia.com> References: <20260204223940.39581-1-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: MN1PEPF0000ECD9:EE_|DM4PR12MB5988:EE_ X-MS-Office365-Filtering-Correlation-Id: 54057860-f688-4072-1a1c-08de643e5638 X-MS-Exchange-SenderADCheck: 1 X-MS-Exchange-AntiSpam-Relay: 0 X-Microsoft-Antispam: BCL:0;ARA:13230040|376014|82310400026|7416014|36860700013|1800799024; X-Microsoft-Antispam-Message-Info: =?us-ascii?Q?aNI5ZrJJndm27Oc9H+O7r876NDYdkTfNnG7vXJYPTYHoq3vyMjjzGr+zUk7I?= =?us-ascii?Q?mQdUOJAaZ56WJox0TJwKkfMubMnwGTSZLA08Ups1HS0J1/gHGBvOASkbRO4b?= =?us-ascii?Q?a/xxUDSBuaUM5pY/9XONS9P3fh4SAyUm/RGNc0W7kiO6ypxatQwHswLO//jT?= =?us-ascii?Q?sIAmkhEeqCGnlhpSQ2p4Dn3Gl6bECnEdzUG3n5p51cpaOAEnPOrcFyFfd5Li?= =?us-ascii?Q?ZBoHXNPdQo88RhWI1bDIA0PKKVotdWL3IzXJifZ//RjXylaV2r/NMLEXHsnX?= =?us-ascii?Q?J8wSxYeUMmYj/H+euGMkaUFRi6RiUkLoS3jnaSBz/al3sqK9ZMXZ2kshUpyP?= =?us-ascii?Q?zuksUZOY2EMicEUCY/rRG7F5ozBhXgAoLbrT1ajnEfvaiRSKE4vrphncwP7h?= =?us-ascii?Q?mSbC14zo/mBN61hRIbUh0vJTmg/KgcDjjPgPnq9WtdvBiJ0vFzPZqnjXKWqc?= =?us-ascii?Q?0SUCHYGVPvpPwhyCp84wyhKIW0Mx/NOIdQWieajp2S+J1btAzNVf/xeers4O?= =?us-ascii?Q?oSCSP/Ohj2ncLvafAlQvpA0sq5Tl/UuDQx1yOEtQrtxjA2NGv18mDa4X2bfD?= =?us-ascii?Q?rNlz4KO4mT35t5aTXwEqBApvoizLQLUXhllBxtgbGEZwp/wbtQGLDrAV9ZUw?= =?us-ascii?Q?PTD38Q4BTprE2Qcy+mMQRrYNdzcNxglhZAm4vCVQdxPZqA6LGSUXRx5g4onb?= =?us-ascii?Q?eZ64tIfuRFwAzb41hCp4KxCGTPSpRbtFTF271U34jKi4/GlXR4/rlBj6eSju?= =?us-ascii?Q?A/Vu/oX1tASNeoiFi2Oxq+oe0ABTlHn1FFGx8JtBQuVIbWGvyp8OJ0bTexU8?= =?us-ascii?Q?8L6+0AOhf2u4GH8fohoqC3rDVFJkHsO2RT259nA6HDFMIDe9QBVATX0xMmjx?= =?us-ascii?Q?Z2+0Y8MWMmVbqajI/YmMtX84eLuGYBV2W92iNSn2YWMmixPqJ4VDKQZpm3wd?= =?us-ascii?Q?GmPZYJQsYaMeMurDfHJ1aTB7ybWQ3qmdoUZ6Te/C2XqvgfdWrtQTUnyCdUOF?= =?us-ascii?Q?GEtMLfWzg9NX2HIieXDjBQRc8nfF09XXQnRvCdMzo3+oy93e1wlKB8MWv79M?= =?us-ascii?Q?tNxqS5PApO3ET1+i5NqFyA2SrCX4qrPSrzHN14LfQRaF718b22YiLXhgaUOH?= =?us-ascii?Q?C1PK0WBO6hHjcvRNi+/gAd5q4qT+w+Zd3e4hXaQDOZ4Hq9Icvn/7wwcq7Utu?= =?us-ascii?Q?wYgnf+UuaeUpTz0lNX6MMKCoMuXTdpRNaDFMJtmlQDFA35phXflVXreYrAvB?= =?us-ascii?Q?GFWaConbCV/sMyfJmZR5QuYixWVOlomzxQiZu05Fx9BfTw+ChM8rTLSGyBGt?= =?us-ascii?Q?fKDw6YP756q7ykSUpQQfHGL/qD3VgCmes7g9neZcU7Hk0t/Y9RtAfOIzQxrA?= =?us-ascii?Q?WclZC7aSjz4iOhQIHD2ZiuphhqmE9n3SknIqiAWrz8O01NCVW9PH9FbT6br8?= =?us-ascii?Q?ydPN2xS82u7qh/fsihrbzM1BQ3v0tlTRp26q7/Y2ZQLoQz3CUhdBE4Ll1/O5?= =?us-ascii?Q?8xS88SPVEnmUzcjP7HlzzKPBYxMpYyhHIJ5y8+ojyyE1Lj5L5n9kaepZBvUK?= =?us-ascii?Q?AEn+Qpp9ZTc3Sd1JdQidZ0nX9EeS6SFE3WiJw5lF3HXxzQlfB3SHRZ6FncbT?= =?us-ascii?Q?T6dXV0Mmv+uKSjvxCubiwyd+bmPrEuytht7ZgSAQlu4YHu+KFtfv56Et0d1F?= =?us-ascii?Q?xHeGvQ=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)(376014)(82310400026)(7416014)(36860700013)(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