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client-ip=216.228.117.161; helo=mail.nvidia.com; pr=C From: Parav Pandit To: , , , CC: , , Parav Pandit Date: Fri, 24 Mar 2023 04:04:29 +0300 Message-ID: <20230324010432.280330-6-parav@nvidia.com> X-Mailer: git-send-email 2.26.2 In-Reply-To: <20230324010432.280330-1-parav@nvidia.com> References: <20230324010432.280330-1-parav@nvidia.com> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Content-Type: text/plain X-Originating-IP: [10.126.230.37] 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: CO1NAM11FT067:EE_|SJ0PR12MB8137:EE_ X-MS-Office365-Filtering-Correlation-Id: c63e08d3-ac42-4abd-7d1f-08db2c03cb2e X-MS-Exchange-SenderADCheck: 1 X-MS-Exchange-AntiSpam-Relay: 0 X-Microsoft-Antispam: BCL:0; X-Microsoft-Antispam-Message-Info: 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 X-Forefront-Antispam-Report: CIP:216.228.117.161;CTRY:US;LANG:en;SCL:1;SRV:;IPV:NLI;SFV:NSPM;H:mail.nvidia.com;PTR:dc6edge2.nvidia.com;CAT:NONE;SFS:(13230025)(4636009)(39860400002)(136003)(376002)(396003)(346002)(451199018)(46966006)(40470700004)(36840700001)(36756003)(40460700003)(8676002)(54906003)(4326008)(70206006)(36860700001)(110136005)(70586007)(41300700001)(5660300002)(82740400003)(7636003)(8936002)(316002)(47076005)(426003)(26005)(6666004)(1076003)(16526019)(186003)(478600001)(83380400001)(2616005)(336012)(966005)(107886003)(82310400005)(86362001)(40480700001)(356005)(2906002);DIR:OUT;SFP:1101; X-OriginatorOrg: Nvidia.com X-MS-Exchange-CrossTenant-OriginalArrivalTime: 24 Mar 2023 01:05:00.6840 (UTC) X-MS-Exchange-CrossTenant-Network-Message-Id: c63e08d3-ac42-4abd-7d1f-08db2c03cb2e 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: CO1NAM11FT067.eop-nam11.prod.protection.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Anonymous X-MS-Exchange-CrossTenant-FromEntityHeader: HybridOnPrem X-MS-Exchange-Transport-CrossTenantHeadersStamped: SJ0PR12MB8137 Subject: [virtio-dev] [PATCH v6 5/8] transport-ccw: Rename queue depth/size to other transports max_num field reflects the maximum queue size/depth. Hence align name of this field with similar field in PCI and MMIO transport to max_queue_size. Similarly rename 'num' to 'size'. Fixes: https://github.com/oasis-tcs/virtio-spec/issues/163 Signed-off-by: Parav Pandit --- v3->v4: - moved note to comment --- transport-ccw.tex | 14 ++++++++------ 1 file changed, 8 insertions(+), 6 deletions(-) diff --git a/transport-ccw.tex b/transport-ccw.tex index c492cb9..b4bc83b 100644 --- a/transport-ccw.tex +++ b/transport-ccw.tex @@ -237,12 +237,12 @@ \subsubsection{Configuring a Virtqueue}\label{sec:Virtio Transport Options / Vir \begin{lstlisting} struct vq_config_block { be16 index; - be16 max_num; + be16 max_queue_size; /* Previously named as max_num */ }; \end{lstlisting} The requested number of buffers for queue \field{index} is returned in -\field{max_num}. +\field{max_queue_size}. Afterwards, CCW_CMD_SET_VQ is issued by the driver to inform the device about the location used for its queue. The transmitted @@ -253,7 +253,7 @@ \subsubsection{Configuring a Virtqueue}\label{sec:Virtio Transport Options / Vir be64 desc; be32 res0; be16 index; - be16 num; + be16 size; /* Previously named as num */ be64 driver; be64 device; }; @@ -262,7 +262,8 @@ \subsubsection{Configuring a Virtqueue}\label{sec:Virtio Transport Options / Vir \field{desc}, \field{driver} and \field{device} contain the guest addresses for the descriptor area, available area and used area for queue \field{index}, respectively. The actual -virtqueue size (number of allocated buffers) is transmitted in \field{num}. +virtqueue size (number of allocated buffers) is transmitted in +\field{size}. \devicenormative{\paragraph}{Configuring a Virtqueue}{Virtio Transport Options / Virtio over channel I/O / Device Initialization / Configuring a Virtqueue} @@ -278,11 +279,12 @@ \subsubsection{Configuring a Virtqueue}\label{sec:Virtio Transport Options / Vir be64 queue; be32 align; be16 index; - be16 num; + be16 size; /* Previously named as num */ }; \end{lstlisting} -\field{queue} contains the guest address for queue \field{index}, \field{num} the number of buffers +\field{queue} contains the guest address for queue \field{index}, +\field{size} the number of buffers and \field{align} the alignment. 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X-OriginatorOrg: Nvidia.com X-MS-Exchange-CrossTenant-OriginalArrivalTime: 24 Mar 2023 01:05:00.6840 (UTC) X-MS-Exchange-CrossTenant-Network-Message-Id: c63e08d3-ac42-4abd-7d1f-08db2c03cb2e 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: CO1NAM11FT067.eop-nam11.prod.protection.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Anonymous X-MS-Exchange-CrossTenant-FromEntityHeader: HybridOnPrem X-MS-Exchange-Transport-CrossTenantHeadersStamped: SJ0PR12MB8137 Subject: [virtio-comment] [PATCH v6 5/8] transport-ccw: Rename queue depth/size to other transports max_num field reflects the maximum queue size/depth. Hence align name of this field with similar field in PCI and MMIO transport to max_queue_size. Similarly rename 'num' to 'size'. Fixes: https://github.com/oasis-tcs/virtio-spec/issues/163 Signed-off-by: Parav Pandit --- v3->v4: - moved note to comment --- transport-ccw.tex | 14 ++++++++------ 1 file changed, 8 insertions(+), 6 deletions(-) diff --git a/transport-ccw.tex b/transport-ccw.tex index c492cb9..b4bc83b 100644 --- a/transport-ccw.tex +++ b/transport-ccw.tex @@ -237,12 +237,12 @@ \subsubsection{Configuring a Virtqueue}\label{sec:Virtio Transport Options / Vir \begin{lstlisting} struct vq_config_block { be16 index; - be16 max_num; + be16 max_queue_size; /* Previously named as max_num */ }; \end{lstlisting} The requested number of buffers for queue \field{index} is returned in -\field{max_num}. +\field{max_queue_size}. Afterwards, CCW_CMD_SET_VQ is issued by the driver to inform the device about the location used for its queue. The transmitted @@ -253,7 +253,7 @@ \subsubsection{Configuring a Virtqueue}\label{sec:Virtio Transport Options / Vir be64 desc; be32 res0; be16 index; - be16 num; + be16 size; /* Previously named as num */ be64 driver; be64 device; }; @@ -262,7 +262,8 @@ \subsubsection{Configuring a Virtqueue}\label{sec:Virtio Transport Options / Vir \field{desc}, \field{driver} and \field{device} contain the guest addresses for the descriptor area, available area and used area for queue \field{index}, respectively. The actual -virtqueue size (number of allocated buffers) is transmitted in \field{num}. +virtqueue size (number of allocated buffers) is transmitted in +\field{size}. \devicenormative{\paragraph}{Configuring a Virtqueue}{Virtio Transport Options / Virtio over channel I/O / Device Initialization / Configuring a Virtqueue} @@ -278,11 +279,12 @@ \subsubsection{Configuring a Virtqueue}\label{sec:Virtio Transport Options / Vir be64 queue; be32 align; be16 index; - be16 num; + be16 size; /* Previously named as num */ }; \end{lstlisting} -\field{queue} contains the guest address for queue \field{index}, \field{num} the number of buffers +\field{queue} contains the guest address for queue \field{index}, +\field{size} the number of buffers and \field{align} the alignment. The queue layout follows \ref{sec:Basic Facilities of a Virtio Device / Virtqueues / Legacy Interfaces: A Note on Virtqueue Layout}~\nameref{sec:Basic Facilities of a Virtio Device / Virtqueues / Legacy Interfaces: A Note on Virtqueue Layout}. \subsubsection{Communicating Status Information}\label{sec:Virtio Transport Options / Virtio over channel I/O / Device Initialization / Communicating Status Information} -- 2.26.2 This publicly archived list offers a means to provide input to the OASIS Virtual I/O Device (VIRTIO) TC. In order to verify user consent to the Feedback License terms and to minimize spam in the list archive, subscription is required before posting. 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