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Sun, 8 May 2022 09:33:25 -0700 From: Eli Cohen To: , CC: , , , Eli Cohen Subject: [PATCH v4 0/3] Show statistics for a vdpa device Date: Sun, 8 May 2022 19:33:14 +0300 Message-ID: <20220508163317.204673-1-elic@nvidia.com> X-Mailer: git-send-email 2.35.1 MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Content-Type: text/plain X-EOPAttributedMessage: 0 X-MS-PublicTrafficType: Email X-MS-Office365-Filtering-Correlation-Id: 8767fe08-bd49-446d-a276-08da31107b5d X-MS-TrafficTypeDiagnostic: CY4PR12MB1733:EE_ X-Microsoft-Antispam-PRVS: 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:12.22.5.234;CTRY:US;LANG:en;SCL:1;SRV:;IPV:NLI;SFV:NSPM;H:mail.nvidia.com;PTR:InfoNoRecords;CAT:NONE;SFS:(13230001)(4636009)(40470700004)(36840700001)(46966006)(81166007)(7696005)(356005)(336012)(36860700001)(426003)(47076005)(6666004)(2906002)(5660300002)(110136005)(316002)(36756003)(82310400005)(54906003)(83380400001)(508600001)(8676002)(8936002)(70586007)(4326008)(70206006)(40460700003)(107886003)(86362001)(26005)(1076003)(2616005)(186003)(36900700001);DIR:OUT;SFP:1101; X-OriginatorOrg: Nvidia.com X-MS-Exchange-CrossTenant-OriginalArrivalTime: 08 May 2022 16:33:28.3599 (UTC) X-MS-Exchange-CrossTenant-Network-Message-Id: 8767fe08-bd49-446d-a276-08da31107b5d X-MS-Exchange-CrossTenant-Id: 43083d15-7273-40c1-b7db-39efd9ccc17a X-MS-Exchange-CrossTenant-OriginalAttributedTenantConnectingIp: TenantId=43083d15-7273-40c1-b7db-39efd9ccc17a;Ip=[12.22.5.234];Helo=[mail.nvidia.com] X-MS-Exchange-CrossTenant-AuthSource: BN8NAM11FT025.eop-nam11.prod.protection.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Anonymous X-MS-Exchange-CrossTenant-FromEntityHeader: HybridOnPrem X-MS-Exchange-Transport-CrossTenantHeadersStamped: CY4PR12MB1733 Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org The following three patch series adds support to read vendor statistics for a vdpa device. The first patch is just a cleanup fix. The second patch lays the ground to allow an upstream driver to provide statistics in the form of an attribute name/attribute value pairs. The third patch implements this for mlx5_vdpa which gives received descriptors and completed descriptors information for all the virtqueues. Jason, I removed your ack from the mlx5 patch since I modified it a bit. I am sending the userspace patch I was using following this series. Eli Cohen (3): vdpa: Fix error logic in vdpa_nl_cmd_dev_get_doit vdpa: Add support for querying vendor statistics vdpa/mlx5: Add support for reading descriptor statistics v3 -> v4: Add a small cleanup fix patch Only return statistics if feature negotiation is complete. drivers/vdpa/mlx5/core/mlx5_vdpa.h | 2 + drivers/vdpa/mlx5/net/mlx5_vnet.c | 171 +++++++++++++++++++++++++++++ drivers/vdpa/vdpa.c | 143 +++++++++++++++++++++++- include/linux/mlx5/mlx5_ifc.h | 1 + include/linux/mlx5/mlx5_ifc_vdpa.h | 39 +++++++ include/linux/vdpa.h | 5 + include/uapi/linux/vdpa.h | 6 + 7 files changed, 363 insertions(+), 4 deletions(-) -- 2.35.1