Re: [PATCH rdma-core 2/6] verbs: custom parent-domain allocators

[Leon Romanovsky <leon@kernel.org>]

On Mon, Oct 28, 2019 at 11:14:55AM +0200, Yishai Hadas wrote:
> From: Haggai Eran <haggaie@mellanox.com>
>
> Extend the parent domain object with custom allocation callbacks that
> can be used by user-applications to override the provider allocation.
>
> This can be used for example to add NUMA aware allocation.
>
> The new allocator receives context information about the parent domain,
> as well as the requested size and alignment of the buffer. It also
> receives a vendor-specific resource type code to allow customizing it
> for specific resources.
>
> The allocator then allocates the memory or returns an
> IBV_ALLOCATOR_USE_DEFAULT value to request that the provider driver use
> its own allocation method.
>
> Signed-off-by: Haggai Eran <haggaie@mellanox.com>
> Signed-off-by: Yishai Hadas <yishaih@mellanox.com>
> ---
>  libibverbs/man/ibv_alloc_parent_domain.3 | 54 ++++++++++++++++++++++++++++++++
>  libibverbs/verbs.h                       | 12 +++++++
>  2 files changed, 66 insertions(+)
>

It is unclear to me how and maybe it is not possible for this API. but I
would expect any changes in public API be accompanied by relevant tests.

Thanks