From: Shahaf Shuler <shahafs@mellanox.com>
To: Yongseok Koh <yskoh@mellanox.com>
Cc: dev <dev@dpdk.org>
Subject: Re: [dpdk-dev] [RFC] net/mlx4: add secondary process support
Date: Sun, 3 Mar 2019 07:11:34 +0000 [thread overview]
Message-ID: <AM0PR0502MB3795D6559ECC2DFD6BB34359C3700@AM0PR0502MB3795.eurprd05.prod.outlook.com> (raw)
In-Reply-To: <7F884229-3427-45BD-8C4D-F786AA1AFF03@mellanox.com>
Same question regarding patchwork.
Friday, March 1, 2019 3:27 AM, Yongseok Koh:
> Subject: [RFC] net/mlx4: add secondary process support
>
> In 19.05, mlx4 PMD will start to support secondary process. This will need
> new rdma-core API and small fix in kernel driver, in order for Verbs to allow
> using external (rte_malloc) memory allocator and remapping UAR space
> because secondary process has to access device queues and UAR for Tx
> doorbell. Majority of changes will come from mlx5 but mlx5_socket.c will not
> be imported. Instead, this will be replaced with the new rte_mp_*() APIs.
> This is for secondary process to acquire Verb's command file descriptor from
> primary process. The file descriptor is required to remap UAR.
>
> Patches are almost ready and I will be able to release v1 soon.
>
> Signed-off-by: Yongseok Koh <yskoh@mellanox.com>
next prev parent reply other threads:[~2019-03-03 7:11 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-03-01 1:27 Yongseok Koh
2019-03-03 7:11 ` Shahaf Shuler [this message]
2019-03-06 3:06 ` Arthas Kang
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