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| author | Leon Romanovsky <leonro@nvidia.com> | 2025-04-28 12:22:19 +0300 |
|---|---|---|
| committer | Leon Romanovsky <leon@kernel.org> | 2025-05-12 06:06:51 -0400 |
| commit | 1efe8c0670d6a6883faa09c9abc746c741f5664a (patch) | |
| tree | 3a907cb76abc324660a0ffd7b02887b742dca5de /drivers/infiniband/hw/mlx5/mlx5_ib.h | |
| parent | eedd5b1276e76d6b260a7a77a149ef5155aa76f0 (diff) | |
| download | linux-next-1efe8c0670d6a6883faa09c9abc746c741f5664a.tar.gz linux-next-1efe8c0670d6a6883faa09c9abc746c741f5664a.zip | |
RDMA/core: Convert UMEM ODP DMA mapping to caching IOVA and page linkage
Reuse newly added DMA API to cache IOVA and only link/unlink pages
in fast path for UMEM ODP flow.
Tested-by: Jens Axboe <axboe@kernel.dk>
Reviewed-by: Jason Gunthorpe <jgg@nvidia.com>
Signed-off-by: Leon Romanovsky <leonro@nvidia.com>
Diffstat (limited to 'drivers/infiniband/hw/mlx5/mlx5_ib.h')
| -rw-r--r-- | drivers/infiniband/hw/mlx5/mlx5_ib.h | 11 |
1 files changed, 7 insertions, 4 deletions
diff --git a/drivers/infiniband/hw/mlx5/mlx5_ib.h b/drivers/infiniband/hw/mlx5/mlx5_ib.h index 7424b23bb0d9..27fbf5f3a2d6 100644 --- a/drivers/infiniband/hw/mlx5/mlx5_ib.h +++ b/drivers/infiniband/hw/mlx5/mlx5_ib.h @@ -1474,8 +1474,8 @@ void mlx5_ib_odp_cleanup_one(struct mlx5_ib_dev *ibdev); int __init mlx5_ib_odp_init(void); void mlx5_ib_odp_cleanup(void); int mlx5_odp_init_mkey_cache(struct mlx5_ib_dev *dev); -void mlx5_odp_populate_xlt(void *xlt, size_t idx, size_t nentries, - struct mlx5_ib_mr *mr, int flags); +int mlx5_odp_populate_xlt(void *xlt, size_t idx, size_t nentries, + struct mlx5_ib_mr *mr, int flags); int mlx5_ib_advise_mr_prefetch(struct ib_pd *pd, enum ib_uverbs_advise_mr_advice advice, @@ -1496,8 +1496,11 @@ static inline int mlx5_odp_init_mkey_cache(struct mlx5_ib_dev *dev) { return 0; } -static inline void mlx5_odp_populate_xlt(void *xlt, size_t idx, size_t nentries, - struct mlx5_ib_mr *mr, int flags) {} +static inline int mlx5_odp_populate_xlt(void *xlt, size_t idx, size_t nentries, + struct mlx5_ib_mr *mr, int flags) +{ + return -EOPNOTSUPP; +} static inline int mlx5_ib_advise_mr_prefetch(struct ib_pd *pd, |