diff options
Diffstat (limited to 'drivers/infiniband/sw/rxe/rxe_pool.c')
-rw-r--r-- | drivers/infiniband/sw/rxe/rxe_pool.c | 68 |
1 files changed, 11 insertions, 57 deletions
diff --git a/drivers/infiniband/sw/rxe/rxe_pool.c b/drivers/infiniband/sw/rxe/rxe_pool.c index f50620f5a0a1..6215c6de3a84 100644 --- a/drivers/infiniband/sw/rxe/rxe_pool.c +++ b/drivers/infiniband/sw/rxe/rxe_pool.c @@ -23,16 +23,16 @@ static const struct rxe_type_info { .size = sizeof(struct rxe_ucontext), .elem_offset = offsetof(struct rxe_ucontext, elem), .min_index = 1, - .max_index = UINT_MAX, - .max_elem = UINT_MAX, + .max_index = RXE_MAX_UCONTEXT, + .max_elem = RXE_MAX_UCONTEXT, }, [RXE_TYPE_PD] = { .name = "pd", .size = sizeof(struct rxe_pd), .elem_offset = offsetof(struct rxe_pd, elem), .min_index = 1, - .max_index = UINT_MAX, - .max_elem = UINT_MAX, + .max_index = RXE_MAX_PD, + .max_elem = RXE_MAX_PD, }, [RXE_TYPE_AH] = { .name = "ah", @@ -40,7 +40,7 @@ static const struct rxe_type_info { .elem_offset = offsetof(struct rxe_ah, elem), .min_index = RXE_MIN_AH_INDEX, .max_index = RXE_MAX_AH_INDEX, - .max_elem = RXE_MAX_AH_INDEX - RXE_MIN_AH_INDEX + 1, + .max_elem = RXE_MAX_AH, }, [RXE_TYPE_SRQ] = { .name = "srq", @@ -49,7 +49,7 @@ static const struct rxe_type_info { .cleanup = rxe_srq_cleanup, .min_index = RXE_MIN_SRQ_INDEX, .max_index = RXE_MAX_SRQ_INDEX, - .max_elem = RXE_MAX_SRQ_INDEX - RXE_MIN_SRQ_INDEX + 1, + .max_elem = RXE_MAX_SRQ, }, [RXE_TYPE_QP] = { .name = "qp", @@ -58,7 +58,7 @@ static const struct rxe_type_info { .cleanup = rxe_qp_cleanup, .min_index = RXE_MIN_QP_INDEX, .max_index = RXE_MAX_QP_INDEX, - .max_elem = RXE_MAX_QP_INDEX - RXE_MIN_QP_INDEX + 1, + .max_elem = RXE_MAX_QP, }, [RXE_TYPE_CQ] = { .name = "cq", @@ -66,8 +66,8 @@ static const struct rxe_type_info { .elem_offset = offsetof(struct rxe_cq, elem), .cleanup = rxe_cq_cleanup, .min_index = 1, - .max_index = UINT_MAX, - .max_elem = UINT_MAX, + .max_index = RXE_MAX_CQ, + .max_elem = RXE_MAX_CQ, }, [RXE_TYPE_MR] = { .name = "mr", @@ -76,7 +76,7 @@ static const struct rxe_type_info { .cleanup = rxe_mr_cleanup, .min_index = RXE_MIN_MR_INDEX, .max_index = RXE_MAX_MR_INDEX, - .max_elem = RXE_MAX_MR_INDEX - RXE_MIN_MR_INDEX + 1, + .max_elem = RXE_MAX_MR, }, [RXE_TYPE_MW] = { .name = "mw", @@ -85,7 +85,7 @@ static const struct rxe_type_info { .cleanup = rxe_mw_cleanup, .min_index = RXE_MIN_MW_INDEX, .max_index = RXE_MAX_MW_INDEX, - .max_elem = RXE_MAX_MW_INDEX - RXE_MIN_MW_INDEX + 1, + .max_elem = RXE_MAX_MW, }, }; @@ -116,55 +116,12 @@ void rxe_pool_cleanup(struct rxe_pool *pool) WARN_ON(!xa_empty(&pool->xa)); } -void *rxe_alloc(struct rxe_pool *pool) -{ - struct rxe_pool_elem *elem; - void *obj; - int err; - - if (WARN_ON(!(pool->type == RXE_TYPE_MR))) - return NULL; - - if (atomic_inc_return(&pool->num_elem) > pool->max_elem) - goto err_cnt; - - obj = kzalloc(pool->elem_size, GFP_KERNEL); - if (!obj) - goto err_cnt; - - elem = (struct rxe_pool_elem *)((u8 *)obj + pool->elem_offset); - - elem->pool = pool; - elem->obj = obj; - kref_init(&elem->ref_cnt); - init_completion(&elem->complete); - - /* allocate index in array but leave pointer as NULL so it - * can't be looked up until rxe_finalize() is called - */ - err = xa_alloc_cyclic(&pool->xa, &elem->index, NULL, pool->limit, - &pool->next, GFP_KERNEL); - if (err < 0) - goto err_free; - - return obj; - -err_free: - kfree(obj); -err_cnt: - atomic_dec(&pool->num_elem); - return NULL; -} - int __rxe_add_to_pool(struct rxe_pool *pool, struct rxe_pool_elem *elem, bool sleepable) { int err; gfp_t gfp_flags; - if (WARN_ON(pool->type == RXE_TYPE_MR)) - return -EINVAL; - if (atomic_inc_return(&pool->num_elem) > pool->max_elem) goto err_cnt; @@ -275,9 +232,6 @@ int __rxe_cleanup(struct rxe_pool_elem *elem, bool sleepable) if (pool->cleanup) pool->cleanup(elem); - if (pool->type == RXE_TYPE_MR) - kfree_rcu(elem->obj); - atomic_dec(&pool->num_elem); return err; |