diff options
Diffstat (limited to '')
| -rw-r--r-- | drivers/infiniband/hw/mlx5/mr.c | 18 |
1 files changed, 13 insertions, 5 deletions
diff --git a/drivers/infiniband/hw/mlx5/mr.c b/drivers/infiniband/hw/mlx5/mr.c index 2c40a2e989d2..a0eb2f96179a 100644 --- a/drivers/infiniband/hw/mlx5/mr.c +++ b/drivers/infiniband/hw/mlx5/mr.c @@ -48,6 +48,7 @@ enum { #define MLX5_UMR_ALIGN 2048 static int clean_mr(struct mlx5_ib_mr *mr); +static int max_umr_order(struct mlx5_ib_dev *dev); static int use_umr(struct mlx5_ib_dev *dev, int order); static int unreg_umr(struct mlx5_ib_dev *dev, struct mlx5_ib_mr *mr); @@ -491,16 +492,18 @@ static struct mlx5_ib_mr *alloc_cached_mr(struct mlx5_ib_dev *dev, int order) struct mlx5_mr_cache *cache = &dev->cache; struct mlx5_ib_mr *mr = NULL; struct mlx5_cache_ent *ent; + int last_umr_cache_entry; int c; int i; c = order2idx(dev, order); - if (c < 0 || c > MAX_UMR_CACHE_ENTRY) { + last_umr_cache_entry = order2idx(dev, max_umr_order(dev)); + if (c < 0 || c > last_umr_cache_entry) { mlx5_ib_warn(dev, "order %d, cache index %d\n", order, c); return NULL; } - for (i = c; i < MAX_UMR_CACHE_ENTRY; i++) { + for (i = c; i <= last_umr_cache_entry; i++) { ent = &cache->ent[i]; mlx5_ib_dbg(dev, "order %d, cache index %d\n", ent->order, i); @@ -816,11 +819,16 @@ static int get_octo_len(u64 addr, u64 len, int page_size) return (npages + 1) / 2; } -static int use_umr(struct mlx5_ib_dev *dev, int order) +static int max_umr_order(struct mlx5_ib_dev *dev) { if (MLX5_CAP_GEN(dev->mdev, umr_extended_translation_offset)) - return order <= MAX_UMR_CACHE_ENTRY + 2; - return order <= MLX5_MAX_UMR_SHIFT; + return MAX_UMR_CACHE_ENTRY + 2; + return MLX5_MAX_UMR_SHIFT; +} + +static int use_umr(struct mlx5_ib_dev *dev, int order) +{ + return order <= max_umr_order(dev); } static int mr_umem_get(struct ib_pd *pd, u64 start, u64 length, |