diff options
| -rw-r--r-- | drivers/infiniband/core/verbs.c | 9 | ||||
| -rw-r--r-- | include/rdma/ib_verbs.h | 5 |
2 files changed, 13 insertions, 1 deletions
diff --git a/drivers/infiniband/core/verbs.c b/drivers/infiniband/core/verbs.c index e2c9430a3ff1..21815e125e98 100644 --- a/drivers/infiniband/core/verbs.c +++ b/drivers/infiniband/core/verbs.c @@ -2005,6 +2005,9 @@ EXPORT_SYMBOL(__ib_create_cq); int rdma_set_cq_moderation(struct ib_cq *cq, u16 cq_count, u16 cq_period) { + if (cq->shared) + return -EOPNOTSUPP; + return cq->device->ops.modify_cq ? cq->device->ops.modify_cq(cq, cq_count, cq_period) : -EOPNOTSUPP; @@ -2013,6 +2016,9 @@ EXPORT_SYMBOL(rdma_set_cq_moderation); int ib_destroy_cq_user(struct ib_cq *cq, struct ib_udata *udata) { + if (WARN_ON_ONCE(cq->shared)) + return -EOPNOTSUPP; + if (atomic_read(&cq->usecnt)) return -EBUSY; @@ -2025,6 +2031,9 @@ EXPORT_SYMBOL(ib_destroy_cq_user); int ib_resize_cq(struct ib_cq *cq, int cqe) { + if (cq->shared) + return -EOPNOTSUPP; + return cq->device->ops.resize_cq ? cq->device->ops.resize_cq(cq, cqe, NULL) : -EOPNOTSUPP; } diff --git a/include/rdma/ib_verbs.h b/include/rdma/ib_verbs.h index 94533ae16697..cc515025cbdb 100644 --- a/include/rdma/ib_verbs.h +++ b/include/rdma/ib_verbs.h @@ -1613,7 +1613,8 @@ struct ib_cq { /* updated only by trace points */ ktime_t timestamp; - bool interrupt; + u8 interrupt:1; + u8 shared:1; /* * Implementation details of the RDMA core, don't use in drivers: @@ -3909,6 +3910,8 @@ static inline struct ib_cq *ib_alloc_cq_any(struct ib_device *dev, * ib_free_cq_user - Free kernel/user CQ * @cq: The CQ to free * @udata: Valid user data or NULL for kernel objects + * + * NOTE: This function shouldn't be called on shared CQs. */ void ib_free_cq_user(struct ib_cq *cq, struct ib_udata *udata); |