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Sun, 20 Oct 2024 04:41:59 -0700 From: Parav Pandit To: , , , CC: , Parav Pandit Subject: [PATCH v1 2/3] device-parts: Add device type specific raw selector Date: Sun, 20 Oct 2024 14:41:40 +0300 Message-ID: <20241020114141.451478-3-parav@nvidia.com> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20241020114141.451478-1-parav@nvidia.com> References: <20241020114141.451478-1-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: rnnvmail203.nvidia.com (10.129.68.9) To rnnvmail201.nvidia.com (10.129.68.8) X-EOPAttributedMessage: 0 X-MS-PublicTrafficType: Email X-MS-TrafficTypeDiagnostic: BN1PEPF00004687:EE_|MW4PR12MB7483:EE_ X-MS-Office365-Filtering-Correlation-Id: d29cef6e-77d0-4926-a6a5-08dcf0fc3b50 X-MS-Exchange-SenderADCheck: 1 X-MS-Exchange-AntiSpam-Relay: 0 X-Microsoft-Antispam: BCL:0;ARA:13230040|1800799024|376014|36860700013|82310400026; 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X-OriginatorOrg: Nvidia.com X-MS-Exchange-CrossTenant-OriginalArrivalTime: 20 Oct 2024 11:42:09.5302 (UTC) X-MS-Exchange-CrossTenant-Network-Message-Id: d29cef6e-77d0-4926-a6a5-08dcf0fc3b50 X-MS-Exchange-CrossTenant-Id: 43083d15-7273-40c1-b7db-39efd9ccc17a X-MS-Exchange-CrossTenant-OriginalAttributedTenantConnectingIp: TenantId=43083d15-7273-40c1-b7db-39efd9ccc17a;Ip=[216.228.117.161];Helo=[mail.nvidia.com] X-MS-Exchange-CrossTenant-AuthSource: BN1PEPF00004687.namprd05.prod.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Anonymous X-MS-Exchange-CrossTenant-FromEntityHeader: HybridOnPrem X-MS-Exchange-Transport-CrossTenantHeadersStamped: MW4PR12MB7483 The subsequent patch defines the device-type-specific parts. For these parts, the raw selector format is defined to ensure that each device type can specify its format accurately. Fixes: https://github.com/oasis-tcs/virtio-spec/issues/209 Signed-off-by: Parav Pandit --- changelog: v0->v1: - addressed comment from Matias - rewrote description of selector without writing the actual part_type range, add description that it is device type specific --- device-parts.tex | 5 +++++ 1 file changed, 5 insertions(+) diff --git a/device-parts.tex b/device-parts.tex index e59c0f9..1d6be87 100644 --- a/device-parts.tex +++ b/device-parts.tex @@ -21,6 +21,7 @@ \section{Device parts}\label{sec:Basic Facilities of a Virtio Device / Device pa le16 index; u8 reserved[6]; } vq_index; + u8 device_type_raw[8]; } selector; le32 length; }; @@ -77,6 +78,10 @@ \section{Device parts}\label{sec:Basic Facilities of a Virtio Device / Device pa only when the \field{part_type} is VIRTIO_DEV_PART_VQ_CFG or VIRTIO_DEV_PART_VQ_NOTIFY_CFG. +\field{selector.device_type_raw} is applicable only when the \field{part_type} +corresponds to a device-specific range. The format of +\field{selector.device_type_raw} is device type specific. + \subsection{Common device parts}\label{sec:Basic Facilities of a Virtio Device / Device parts / Common device parts} Common parts are independent of the device type. -- 2.34.1