linux-kernel - Re: [PATCH rdma-next 2/2] RDMA/mana_ib: Implement get_dma

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Date: Wed, 17 Apr 2024 11:51:06 -0300
From: Jason Gunthorpe <jgg@...pe.ca>
To: Konstantin Taranov <kotaranov@...ux.microsoft.com>
Cc: kotaranov@...rosoft.com, sharmaajay@...rosoft.com, longli@...rosoft.com,
	leon@...nel.org, linux-rdma@...r.kernel.org,
	linux-kernel@...r.kernel.org
Subject: Re: [PATCH rdma-next 2/2] RDMA/mana_ib: Implement get_dma_mr

On Wed, Apr 17, 2024 at 07:20:59AM -0700, Konstantin Taranov wrote:
> From: Konstantin Taranov <kotaranov@...rosoft.com>
> 
> Implement allocation of DMA-mapped memory regions.
> 
> Signed-off-by: Konstantin Taranov <kotaranov@...rosoft.com>
> ---
>  drivers/infiniband/hw/mana/device.c |  1 +
>  drivers/infiniband/hw/mana/mr.c     | 36 +++++++++++++++++++++++++++++
>  include/net/mana/gdma.h             |  5 ++++
>  3 files changed, 42 insertions(+)

What is the point of doing this without supporting enough verbs to
allow a kernel ULP?

Jason