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IB/mlx5: Add implicit MR support

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Add implicit MR, covering entire user address space.
The MR is implemented as an indirect KSM MR consisting of
1GB direct MRs.
Pages and direct MRs are added/removed to MR by ODP.

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 2017-01-18 16:58:11 +02:00 • committed by Doug Ledford
parent 49780d42df
commit 81713d3788
5 changed files with 514 additions and 50 deletions
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2
include/linux/mlx5/driver.h
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@ -1053,6 +1053,8 @@ enum {
enum {
MAX_UMR_CACHE_ENTRY = 20,
MLX5_IMR_MTT_CACHE_ENTRY,
MLX5_IMR_KSM_CACHE_ENTRY,
MAX_MR_CACHE_ENTRIES
};