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Sat, 17 Oct 2026 04:46:31 -0700 From: Parav Pandit To: "Michael S. Tsirkin" , virtio-comment , Cornelia Huck CC: Max Gurtovoy , Linlin Zhang , , "Stefan Hajnoczi" , Parav Pandit Subject: [PATCH 4/6] admin: Reference transport specific administration virtqueue discovery Date: Sat, 17 Oct 2026 14:45:54 +0300 Message-ID: <20261017114556.1701355-5-parav@nvidia.com> X-Mailer: git-send-email 2.43.0 In-Reply-To: <20261017114556.1701355-1-parav@nvidia.com> References: <20261017114556.1701355-1-parav@nvidia.com> Precedence: bulk X-Mailing-List: virtio-comment@lists.linux.dev List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Content-Type: text/plain X-ClientProxiedBy: rnnvmail201.nvidia.com (10.129.68.8) To rnnvmail201.nvidia.com (10.129.68.8) X-EOPAttributedMessage: 0 X-MS-PublicTrafficType: Email X-MS-TrafficTypeDiagnostic: CO1PEPF00018865:EE_|MW4PR12MB7215:EE_ X-MS-Office365-Filtering-Correlation-Id: 991dc616-085f-4b59-7c2d-08df2c44549d X-MS-Exchange-SenderADCheck: 1 X-MS-Exchange-AntiSpam-Relay: 0 X-Microsoft-Antispam: BCL:0;ARA:13230040|1800799024|376014|23010399003|82310400026|36860700016|56012099006|11063799006|10067099003|6133799003|22082099003|18002099003; X-Microsoft-Antispam-Message-Info: 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 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)(1800799024)(376014)(23010399003)(82310400026)(36860700016)(56012099006)(11063799006)(10067099003)(6133799003)(22082099003)(18002099003);DIR:OUT;SFP:1101; X-MS-Exchange-AntiSpam-MessageData-ChunkCount: 1 X-MS-Exchange-AntiSpam-MessageData-0: GMZgIREA8/f/ZcX6Q6ZQupyMyrhCwUpjQNo6v+XpzuPw4v5fdOM/XKLazWrnHtly7EbfPQBivCLE72cbITVvj2KGebz2WXYGKXiIpbaRGmuCINTByJCFZCiKuEwCAJmSEHlSm2mILyuUF7EfcD6DVgV7mQmRT1/dJqHiCQuoMtPOZSv6HE5NulKdt3+z/+PL3FnBcJm+4r7M56z21vtvxqBoYgh99tKPRy/24QBkZKCN8eshEIV+6y6boIb4sydmFsKe2zgbSxVkVTYsrrrIdBhN4UvEOSG9pBK7G7S9xWQ94QNPoyvPPXlLr3DxPEYmuUEUfWm8lUUp/Ze6WNNKSZ34VZvZIkgnURBV7IZsuCEGrQ0DbEO23/1ls/EWo5Jhr3uqbCWohIDlKsqZOyOuy2m2NqzMD5Gadf/vtvcjBSfp+lCyKIBQqnp93Lhi1OOT X-OriginatorOrg: Nvidia.com X-MS-Exchange-CrossTenant-OriginalArrivalTime: 17 Oct 2026 11:46:49.7346 (UTC) X-MS-Exchange-CrossTenant-Network-Message-Id: 991dc616-085f-4b59-7c2d-08df2c44549d 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: CO1PEPF00018865.namprd03.prod.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Anonymous X-MS-Exchange-CrossTenant-FromEntityHeader: HybridOnPrem X-MS-Exchange-Transport-CrossTenantHeadersStamped: MW4PR12MB7215 The administration virtqueues section states that the number and locations of administration virtqueues are exposed in a transport specific manner, without pointing to where this is described. Now that both the PCI and the MMIO transports describe it, add references to the respective transport sections. Signed-off-by: Parav Pandit --- admin.tex | 6 +++++- 1 file changed, 5 insertions(+), 1 deletion(-) diff --git a/admin.tex b/admin.tex index cfca5e3..a639c17 100644 --- a/admin.tex +++ b/admin.tex @@ -493,7 +493,11 @@ \section{Administration Virtqueues}\label{sec:Basic Facilities of a Virtio Devic If VIRTIO_F_ADMIN_VQ has been negotiated, an owner device exposes one or more administration virtqueues. The number and locations of the administration virtqueues are exposed by the owner device in a transport -specific manner. +specific manner, see +\ref{sec:Virtio Transport Options / Virtio Over PCI Bus / PCI Device Layout / Common configuration structure layout}~\nameref{sec:Virtio Transport Options / Virtio Over PCI Bus / PCI Device Layout / Common configuration structure layout} +for the PCI transport and +\ref{sec:Virtio Transport Options / Virtio Over MMIO / MMIO-specific Initialization And Device Operation / Administration Virtqueues}~\nameref{sec:Virtio Transport Options / Virtio Over MMIO / MMIO-specific Initialization And Device Operation / Administration Virtqueues} +for the MMIO transport. The driver enqueues requests to an arbitrary administration virtqueue, and they are used by the device on that same -- 2.43.0