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;
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;
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;
}
/* 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:
* 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);