From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from BL2PR02CU003.outbound.protection.outlook.com (mail-eastusazon11011005.outbound.protection.outlook.com [52.101.52.5]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 35C172FABFF for ; Mon, 3 Nov 2025 22:56:01 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=fail smtp.client-ip=52.101.52.5 ARC-Seal:i=2; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1762210563; cv=fail; b=qupELA70itwQanmEkLleMZO7OphbMdeTQPYumLZveJ2MTyndJ4j3IxCFbXAyZxbUbJ0t6pTI3H8U3JyM29eZ3mUP1yXaRTXZa+U7vYm7ZfpGUxw8mf7PzJnzTsOX74VupfgApfKhibmlkBq0gf+Jd4g7YXHWj0L3HEyonKbD2C4= ARC-Message-Signature:i=2; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1762210563; c=relaxed/simple; bh=u7RcDNGQndarSdXv5ZwAgwZE/8+JF5/Qd+uM7J3/upo=; h=From:To:CC:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version:Content-Type; b=j8QO2tPUSCfWXfSNYNZjdPvFMzXps/LaHD7R8NGCIiVp4uylaNdSQ4H7bjPv5EFVLyZob4HeHLwVATmg/D83DUuZlzKqLtofbF20TqCB8+eDSeGyLEM+03kdpmvQECnQG8APfbDGLUm1L7Y9hHfKPEGegXy/8Qd9nAHu65x8PxA= ARC-Authentication-Results:i=2; smtp.subspace.kernel.org; dmarc=pass (p=reject dis=none) header.from=nvidia.com; spf=fail smtp.mailfrom=nvidia.com; dkim=pass (2048-bit key) header.d=Nvidia.com header.i=@Nvidia.com header.b=F+shnN21; arc=fail smtp.client-ip=52.101.52.5 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=reject dis=none) header.from=nvidia.com Authentication-Results: smtp.subspace.kernel.org; spf=fail smtp.mailfrom=nvidia.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=Nvidia.com header.i=@Nvidia.com header.b="F+shnN21" ARC-Seal: i=1; a=rsa-sha256; s=arcselector10001; d=microsoft.com; cv=none; b=dCWXSm/bYtoHV84K3J34GofVk4uzXyQCdHPgl1UP0hCRkp5eQcIrOM4rngKRnLbOwNRAEulG6BeXSGRC+Kj/kr1qYjlpq/xsaWHCzAytXvOa2dFbL/hEMxX3DVwjoNetQ0dMQiBnW06CiZ+7MDqPCFPHbbh7nzD5eJNngbDaVwyCzpgMbU4AxqooSmyEaQAC1jznKMPrjOi09HegqeqW2NlWpZi7tf1dq4zuO5E/NiwY9I7c3bKU4sq/b0hfg5yoIOYTk6TBvvwVs9Liied9r84IRmLz+fqS95mrbCyHe4Y9+Mb5TAO5Kz50NwTPzA4Zz4zY5/McsgYipQYpo3asZA== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=microsoft.com; s=arcselector10001; h=From:Date:Subject:Message-ID:Content-Type:MIME-Version:X-MS-Exchange-AntiSpam-MessageData-ChunkCount:X-MS-Exchange-AntiSpam-MessageData-0:X-MS-Exchange-AntiSpam-MessageData-1; bh=pBW0bhGy5J4q3PBKs8cUEIqs7umGPNOZT9ZLimUPd+8=; b=AvJe6ewl5Ft7KZa/F7ABpyMT5uOuU5DgiYK4X1t1bYoZ3RfLaRidJ+jHW6kMSLwjLaUXgd0BIiGhdmlq+V58PeGBimyw64iK7Wlm091C7ynPYgOZm6pMla+vasyttMYuZwKrH60yrgfSAoPL4tq851cj/gItttNb1O3S/xt0j0ohBamynJTpVVLkjCR5lIB80D+psGz903LN2IpeCPW0NbEuCiI5oPySQxoMrgtdRCpqAJM7ToCLrsr+T/WBUq+f/kLQBK0TyrVZ9Cua4USbsYyrqqVuO1ao6LPvGlZ6lSPSamGvAPeePMBsG/em9MnTmWuoQte9oz3XQh7tMdIUOw== ARC-Authentication-Results: i=1; mx.microsoft.com 1; spf=pass (sender ip is 216.228.117.160) smtp.rcpttodomain=vger.kernel.org smtp.mailfrom=nvidia.com; dmarc=pass (p=reject sp=reject pct=100) action=none header.from=nvidia.com; dkim=none (message not signed); arc=none (0) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=Nvidia.com; s=selector2; h=From:Date:Subject:Message-ID:Content-Type:MIME-Version:X-MS-Exchange-SenderADCheck; bh=pBW0bhGy5J4q3PBKs8cUEIqs7umGPNOZT9ZLimUPd+8=; b=F+shnN21J1Kli4xrVbE9gyyksQNccXJs0vZuCL5B2Fcxyc1M78AlL+QXL96tidvTGRw/rF+A+71AHBJAwVKCnJ5AM3ptcjmntzwvp2R4s14LbfpsbWsLkixJDIzRmvu2l5Lfk6GPotv4jHEnWvwp8iYIBnz5sx6mkBQbQAZL1yiPTh8WKTAv20cpuGKzZlep4D6AzKeYNFvI3ZhA0BvcJ36GBSMQSsFmmFJaE6dmJR268b/cibM8ZwzTVExS8fCga9NEII5qJZmoq74MXrYkTzig+l071T7r39wndn4o//eWGTDASlfOzgvxdQxNsmMO3dbslAf2e6cPLttGoYneyQ== Received: from SA1P222CA0121.NAMP222.PROD.OUTLOOK.COM (2603:10b6:806:3c5::9) by BY5PR12MB4242.namprd12.prod.outlook.com (2603:10b6:a03:203::9) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.9275.15; Mon, 3 Nov 2025 22:55:56 +0000 Received: from SA2PEPF00001508.namprd04.prod.outlook.com (2603:10b6:806:3c5:cafe::15) by SA1P222CA0121.outlook.office365.com (2603:10b6:806:3c5::9) with Microsoft SMTP Server (version=TLS1_3, cipher=TLS_AES_256_GCM_SHA384) id 15.20.9275.16 via Frontend Transport; Mon, 3 Nov 2025 22:55:57 +0000 X-MS-Exchange-Authentication-Results: spf=pass (sender IP is 216.228.117.160) smtp.mailfrom=nvidia.com; dkim=none (message not signed) header.d=none;dmarc=pass action=none header.from=nvidia.com; Received-SPF: Pass (protection.outlook.com: domain of nvidia.com designates 216.228.117.160 as permitted sender) receiver=protection.outlook.com; client-ip=216.228.117.160; helo=mail.nvidia.com; pr=C Received: from mail.nvidia.com (216.228.117.160) by SA2PEPF00001508.mail.protection.outlook.com (10.167.242.40) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.9298.6 via Frontend Transport; Mon, 3 Nov 2025 22:55:55 +0000 Received: from rnnvmail201.nvidia.com (10.129.68.8) by mail.nvidia.com (10.129.200.66) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.2.2562.20; Mon, 3 Nov 2025 14:55:36 -0800 Received: from rnnvmail204.nvidia.com (10.129.68.6) by rnnvmail201.nvidia.com (10.129.68.8) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.2.2562.20; Mon, 3 Nov 2025 14:55:36 -0800 Received: from vdi.nvidia.com (10.127.8.14) by mail.nvidia.com (10.129.68.6) with Microsoft SMTP Server id 15.2.2562.20 via Frontend Transport; Mon, 3 Nov 2025 14:55:34 -0800 From: Daniel Jurgens To: , , , , CC: , , , , , , , , , , , , Daniel Jurgens Subject: [PATCH net-next v7 02/12] virtio: Add config_op for admin commands Date: Mon, 3 Nov 2025 16:55:04 -0600 Message-ID: <20251103225514.2185-3-danielj@nvidia.com> X-Mailer: git-send-email 2.50.1 In-Reply-To: <20251103225514.2185-1-danielj@nvidia.com> References: <20251103225514.2185-1-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: SA2PEPF00001508:EE_|BY5PR12MB4242:EE_ X-MS-Office365-Filtering-Correlation-Id: 7755c021-89c6-41f4-545b-08de1b2c2594 X-MS-Exchange-SenderADCheck: 1 X-MS-Exchange-AntiSpam-Relay: 0 X-Microsoft-Antispam: BCL:0;ARA:13230040|36860700013|7416014|376014|1800799024|82310400026; X-Microsoft-Antispam-Message-Info: =?us-ascii?Q?TQIXlUss8fFX+sMr0xxGLCxahfNA1jde+YCK2L70nMo1L354aLXlLnYPwumM?= =?us-ascii?Q?nrze+Y2HPu7Mo2FF1NgedOAj2sK4KAkOPAV53ZLTV6yEVjHfUjwKyq4kDw3a?= =?us-ascii?Q?t3m9DTn+t117InOCHLhOHKTtbl7H77uDV7/X7voYb5ZW6IjBEd16UiblN7Op?= =?us-ascii?Q?SaQItn0AljsnHcsmfuOYQidLaOBifgk3tClP89Vd5c9xiaCZTVXflzTT4duk?= =?us-ascii?Q?mKT8xPI6nAi8rXmt4Nxz5Pw0lTA3LsQd9mCrIWzwbcqkCj3yB+xCZNBxw1V8?= =?us-ascii?Q?6xG1EIg3whdWfZr7M1Yr7BUg7vB4NyKsKrnQp7nZX5ZRChe2sCbrAo3/WSbF?= =?us-ascii?Q?6DgNwNr26Y0XxH/Zv5DzURfst8L943iMOx6cmDDtSeIyBD3mLEbFHjRJlNwP?= =?us-ascii?Q?UbLHmJAxfM1XGmEDp7CXDIJSKKUfJmUtijlOa5wRF9TRnB1JuIyQ9X1XNvFx?= =?us-ascii?Q?uOm5A+yLHuX0pN2Bw/KXuJx5rN3/xMeBFb6wGexZSfeoENHTdSLL3Z9XPtVT?= =?us-ascii?Q?OC5kb4BnQwgKWcVdoLAfw0FxVMTwRlocDIdzHGc0jgB4p09vfaM13rVeSIo3?= =?us-ascii?Q?ZChiIxOvMOOHS6SVDxNdpF+HgzNsHrxMagi9UfoNDGAqfcIKsURBnnTWaf7A?= =?us-ascii?Q?kjVx7aICsfahOQy0JLTEmOWmlNlvp/QYhuGhUQNvvoHnD0nU6Q+cOZDz4vTu?= =?us-ascii?Q?FWRTQ3aLaPx/lyZsGY0OAW1dPwivt7Yl+pavXSzSAS6HmuZqWgQHj5TLnh5s?= =?us-ascii?Q?9h+d0iF3FfWaMSqKOVrDWd9Gx79v4GGLV+FZ1yDIxkT4Qs7GblynwOpJLWVV?= =?us-ascii?Q?NFOW9U6HPfmBb8P5yQv8Mktj4/xLLwLZWSxb6ixio47321wrvfv+LoaxReC+?= =?us-ascii?Q?dcoIkh17FvPaCWut6FQnrhB8OvUC4sy7ce177MCcAig6AYBjZefjZ/+MGl+r?= =?us-ascii?Q?JL8wSJQLkjSXJb6X1pozBHlQRMl/c/qVL1yT4/n8l4QAo7IVGXNnyLYdAmwf?= =?us-ascii?Q?aeCQT/cfz5ggna4FEm/bMIMjXq37wGelGS5cKiQ9SDS4PMfdXnl8BqND5tmW?= =?us-ascii?Q?fCDzdKmCoD4wexgxngO3gJQ0qknK5fSAcKAag8D5O26Oo3Xs+XEgH4Gay/u8?= =?us-ascii?Q?jCw5Os+FDwwRDQSD2yTMve3u8O5UZksYOjJlaNoI+qqxw1TLIdkfl/RD47pR?= =?us-ascii?Q?nJjYcjPPHytDoyI+NKE1VlYHeXq8ka8RI4A/czrx1kqHJEVfiocxFAOdHynp?= =?us-ascii?Q?pUdCw18pAWZMwqpwH6UEJTHhUbFfAUOIjjqeyD781xcl473Ydnp0K8RTWSuc?= =?us-ascii?Q?ZXFtZM1joLYfTfuRvBIScZxhfAvMcVxa8etYe3pqBafNAi1+Ig/8+27SncqB?= =?us-ascii?Q?73X2u0SgWc2+yV/xJRD0oCq/awZcV4nGuUa8c2KP9rwASdGT4QcnufDVpoMe?= =?us-ascii?Q?5sXybDG45/zmvihox60ZihJt53o7hyS+PDblHejbDIqNye0W9Q1FmBy0QbCs?= =?us-ascii?Q?s+CvnsjddqJ2+c79IPTccphnS1PCOYVAkyVPi9pddPvw4yQUEWYbFIZSQG20?= =?us-ascii?Q?gfgTUctjY4BJB4pWd6o=3D?= X-Forefront-Antispam-Report: CIP:216.228.117.160;CTRY:US;LANG:en;SCL:1;SRV:;IPV:NLI;SFV:NSPM;H:mail.nvidia.com;PTR:dc6edge1.nvidia.com;CAT:NONE;SFS:(13230040)(36860700013)(7416014)(376014)(1800799024)(82310400026);DIR:OUT;SFP:1101; X-OriginatorOrg: Nvidia.com X-MS-Exchange-CrossTenant-OriginalArrivalTime: 03 Nov 2025 22:55:55.4686 (UTC) X-MS-Exchange-CrossTenant-Network-Message-Id: 7755c021-89c6-41f4-545b-08de1b2c2594 X-MS-Exchange-CrossTenant-Id: 43083d15-7273-40c1-b7db-39efd9ccc17a X-MS-Exchange-CrossTenant-OriginalAttributedTenantConnectingIp: TenantId=43083d15-7273-40c1-b7db-39efd9ccc17a;Ip=[216.228.117.160];Helo=[mail.nvidia.com] X-MS-Exchange-CrossTenant-AuthSource: SA2PEPF00001508.namprd04.prod.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Anonymous X-MS-Exchange-CrossTenant-FromEntityHeader: HybridOnPrem X-MS-Exchange-Transport-CrossTenantHeadersStamped: BY5PR12MB4242 This will allow device drivers to issue administration commands. Signed-off-by: Daniel Jurgens Reviewed-by: Parav Pandit Reviewed-by: Xuan Zhuo --- v4: New patch for v4 --- 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 ff11de5b3d69..acc3f958f96a 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 16001e9f9b39..19606609254e 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. + * 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