RDMA/mlx5: Add implicit MR handling to ODP memory scheme

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Implicit MRs in ODP memory scheme require allocating a private null mkey
and assigning the mkey and va differently in the KSM mkey.
The page faults are received on the null mkey so we also add storing the
null mkey in the odp_mkey xarray.

Signed-off-by: Michael Guralnik <michaelgur@nvidia.com>
Link: https://patch.msgid.link/20240909100504.29797-8-michaelgur@nvidia.com
Signed-off-by: Leon Romanovsky <leon@kernel.org>

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Michael Guralnik 2024-09-09 13:05:03 +03:00 • committed by Leon Romanovsky

parent e4fda2320f

commit 6f2487bfaf

2 changed files with 111 additions and 8 deletions

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3

drivers/infiniband/hw/mlx5/mlx5_ib.h

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116

drivers/infiniband/hw/mlx5/odp.c

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