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SCL:1; SRVR:AM4PR05MB3444; H:AM4PR05MB3265.eurprd05.prod.outlook.com; FPR:; SPF:None; LANG:en; PTR:InfoNoRecords; A:1; MX:1; received-spf: None (protection.outlook.com: mellanox.com does not designate permitted sender hosts) x-ms-exchange-senderadcheck: 1 x-microsoft-antispam-message-info: 9QPhY4xt1/1EpD+8b2m3aY8gvhbkafWjibL8sWq1yvUvw1wFfZTiKDv9ToXwWNWNO4f9+Iqk5y6IZkkBJz0mWTC6NWs3I2sAnWIFDqWtn6Nqy+bBiwiACOczh9SMTLdKSVd/pDlDlI7pQho4tc4jNY78K61X0Fb6+etSsfO4nX31ojVur1A7t8YdZPtXCPBap9JHa4M+uMUdcofgxW+z+OB6BR6k3fpwm4oxp+0qj3DvLVjnx/BElGZ+HGLhhi5GoA3XXUGy8FYdJvLp5hauCCkQTFnSvsbrxPZOWWQJOTZot51TV1MucGSkFMOXj0uFPFnPW8pqplKtDuOTzpkMAjzNPTYoYO/vwmNADYgcAbcgEiOV1mVxz1IjGOxpXuyJ0qOQc5RFAxgukFj38NmDzAlKT03JzLhnwUPY/79oe/g= Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: quoted-printable MIME-Version: 1.0 X-OriginatorOrg: Mellanox.com X-MS-Exchange-CrossTenant-Network-Message-Id: de776a0e-d59a-47f0-1dfe-08d70e85ccc4 X-MS-Exchange-CrossTenant-originalarrivaltime: 22 Jul 2019 09:20:12.3419 (UTC) X-MS-Exchange-CrossTenant-fromentityheader: Hosted X-MS-Exchange-CrossTenant-id: a652971c-7d2e-4d9b-a6a4-d149256f461b X-MS-Exchange-CrossTenant-mailboxtype: HOSTED X-MS-Exchange-CrossTenant-userprincipalname: viacheslavo@mellanox.com X-MS-Exchange-Transport-CrossTenantHeadersStamped: AM4PR05MB3444 Subject: Re: [dpdk-dev] [PATCH 13/28] net/mlx5: allocate door-bells using new API X-BeenThere: dev@dpdk.org X-Mailman-Version: 2.1.15 Precedence: list List-Id: DPDK patches and discussions List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: dev-bounces@dpdk.org Sender: "dev" > -----Original Message----- > From: Matan Azrad > Sent: Monday, July 22, 2019 12:13 > To: Shahaf Shuler ; Yongseok Koh > ; Slava Ovsiienko > Cc: dev@dpdk.org; Dekel Peled > Subject: [PATCH 13/28] net/mlx5: allocate door-bells using new API >=20 > From: Dekel Peled >=20 > When using DevX API, memory for door-bell records should be allocated by > PMD and registered using DevX API. >=20 > This patch implements the utility functions to support it: > - Add struct mlx5_devx_dbr_page, containing door-bells page data. > - Add list of struct mlx5_devx_dbr_page door-bell pages to device > private data. > - Implement function mlx5_alloc_dbr_page() to allocate page for > door-bell records, and register it using DevX API. > - Implement function mlx5_get_dbr(). to acquire a door-bell record > from the door-bells page, allocating a new page if needed. > - Implement function mlx5_release_dbr() to release a door-bell > record that is no longer needed, freeing the containing page if > it becomes empty. >=20 > Signed-off-by: Dekel Peled > Acked-by: Matan Azrad Acked-by: Viacheslav Ovsiienko