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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-07-01 17:13:56 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-07-01 17:13:56 +0000 |
commit | 511e4ecd3211371086a9698ce4042700957cee33 (patch) | |
tree | 7e4c8dbd3f81844f362f480dd8c9244afd9e31dc /drivers/infiniband/hw/mlx5/mr.c | |
parent | Adding debian version 6.9.2-1~exp1. (diff) | |
download | linux-511e4ecd3211371086a9698ce4042700957cee33.tar.xz linux-511e4ecd3211371086a9698ce4042700957cee33.zip |
Merging upstream version 6.9.7.
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'drivers/infiniband/hw/mlx5/mr.c')
-rw-r--r-- | drivers/infiniband/hw/mlx5/mr.c | 41 |
1 files changed, 27 insertions, 14 deletions
diff --git a/drivers/infiniband/hw/mlx5/mr.c b/drivers/infiniband/hw/mlx5/mr.c index a8ee2ca1f4..d3c1f63791 100644 --- a/drivers/infiniband/hw/mlx5/mr.c +++ b/drivers/infiniband/hw/mlx5/mr.c @@ -246,6 +246,7 @@ static void set_cache_mkc(struct mlx5_cache_ent *ent, void *mkc) MLX5_SET(mkc, mkc, access_mode_1_0, ent->rb_key.access_mode & 0x3); MLX5_SET(mkc, mkc, access_mode_4_2, (ent->rb_key.access_mode >> 2) & 0x7); + MLX5_SET(mkc, mkc, ma_translation_mode, !!ent->rb_key.ats); MLX5_SET(mkc, mkc, translations_octword_size, get_mkc_octo_size(ent->rb_key.access_mode, @@ -641,10 +642,8 @@ static int mlx5_cache_ent_insert(struct mlx5_mkey_cache *cache, new = &((*new)->rb_left); if (cmp < 0) new = &((*new)->rb_right); - if (cmp == 0) { - mutex_unlock(&cache->rb_lock); + if (cmp == 0) return -EEXIST; - } } /* Add new node and rebalance tree. */ @@ -719,6 +718,8 @@ static struct mlx5_ib_mr *_mlx5_mr_cache_alloc(struct mlx5_ib_dev *dev, } mr->mmkey.cache_ent = ent; mr->mmkey.type = MLX5_MKEY_MR; + mr->mmkey.rb_key = ent->rb_key; + mr->mmkey.cacheable = true; init_waitqueue_head(&mr->mmkey.wait); return mr; } @@ -1158,6 +1159,7 @@ static struct mlx5_ib_mr *alloc_cacheable_mr(struct ib_pd *pd, if (IS_ERR(mr)) return mr; mr->mmkey.rb_key = rb_key; + mr->mmkey.cacheable = true; return mr; } @@ -1570,7 +1572,8 @@ static bool can_use_umr_rereg_access(struct mlx5_ib_dev *dev, unsigned int diffs = current_access_flags ^ target_access_flags; if (diffs & ~(IB_ACCESS_LOCAL_WRITE | IB_ACCESS_REMOTE_WRITE | - IB_ACCESS_REMOTE_READ | IB_ACCESS_RELAXED_ORDERING)) + IB_ACCESS_REMOTE_READ | IB_ACCESS_RELAXED_ORDERING | + IB_ACCESS_REMOTE_ATOMIC)) return false; return mlx5r_umr_can_reconfig(dev, current_access_flags, target_access_flags); @@ -1835,6 +1838,23 @@ end: return ret; } +static int mlx5_revoke_mr(struct mlx5_ib_mr *mr) +{ + struct mlx5_ib_dev *dev = to_mdev(mr->ibmr.device); + struct mlx5_cache_ent *ent = mr->mmkey.cache_ent; + + if (mr->mmkey.cacheable && !mlx5r_umr_revoke_mr(mr) && !cache_ent_find_and_store(dev, mr)) + return 0; + + if (ent) { + spin_lock_irq(&ent->mkeys_queue.lock); + ent->in_use--; + mr->mmkey.cache_ent = NULL; + spin_unlock_irq(&ent->mkeys_queue.lock); + } + return destroy_mkey(dev, mr); +} + int mlx5_ib_dereg_mr(struct ib_mr *ibmr, struct ib_udata *udata) { struct mlx5_ib_mr *mr = to_mmr(ibmr); @@ -1880,16 +1900,9 @@ int mlx5_ib_dereg_mr(struct ib_mr *ibmr, struct ib_udata *udata) } /* Stop DMA */ - if (mr->umem && mlx5r_umr_can_load_pas(dev, mr->umem->length)) - if (mlx5r_umr_revoke_mr(mr) || - cache_ent_find_and_store(dev, mr)) - mr->mmkey.cache_ent = NULL; - - if (!mr->mmkey.cache_ent) { - rc = destroy_mkey(to_mdev(mr->ibmr.device), mr); - if (rc) - return rc; - } + rc = mlx5_revoke_mr(mr); + if (rc) + return rc; if (mr->umem) { bool is_odp = is_odp_mr(mr); |