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IB/mlx5: Add ODP support to MW

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Internally MW implemented as KLM MKey and filled by userspace UMR
postsends.  Handle pagefault trigered by operations on this MKeys.

Signed-off-by: Artemy Kovalyov <artemyko@mellanox.com>
Signed-off-by: Leon Romanovsky <leon@kernel.org>
Signed-off-by: Doug Ledford <dledford@redhat.com>
This commit is contained in:
Artemy Kovalyov
2017-04-05 09:23:59 +03:00
committed by Doug Ledford
parent 1b7dbc26fc
commit db570d7dea
3 changed files with 123 additions and 46 deletions
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drivers/infiniband/hw/mlx5/mlx5_ib.h
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@@ -513,6 +513,7 @@ struct mlx5_ib_mr {
struct mlx5_ib_mw {
struct ib_mw ibmw;
struct mlx5_core_mkey mmkey;
int ndescs;
};
struct mlx5_ib_umr_context {