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[IB] mthca: report asynchronous CQ events

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Implement reporting asynchronous CQ events in Mellanox HCA driver.

Signed-off-by: Michael S. Tsirkin <mst@mellanox.co.il>
Signed-off-by: Roland Dreier <rolandd@cisco.com>
This commit is contained in:
Michael S. Tsirkin
2005-10-29 07:39:42 -07:00
committed by Roland Dreier
parent 89fbb69c4f
commit affcd50546
3 changed files with 36 additions and 3 deletions
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31
drivers/infiniband/hw/mthca/mthca_cq.c
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@ -208,7 +208,7 @@ static inline void update_cons_index(struct mthca_dev *dev, struct mthca_cq *cq,
}
}
void mthca_cq_event(struct mthca_dev *dev, u32 cqn)
void mthca_cq_completion(struct mthca_dev *dev, u32 cqn)
{
struct mthca_cq *cq;
@ -224,6 +224,35 @@ void mthca_cq_event(struct mthca_dev *dev, u32 cqn)
cq->ibcq.comp_handler(&cq->ibcq, cq->ibcq.cq_context);
}
void mthca_cq_event(struct mthca_dev *dev, u32 cqn,
enum ib_event_type event_type)
{
struct mthca_cq *cq;
struct ib_event event;
spin_lock(&dev->cq_table.lock);
cq = mthca_array_get(&dev->cq_table.cq, cqn & (dev->limits.num_cqs - 1));
if (cq)
atomic_inc(&cq->refcount);
spin_unlock(&dev->cq_table.lock);
if (!cq) {
mthca_warn(dev, "Async event for bogus CQ %08x\n", cqn);
return;
}
event.device = &dev->ib_dev;
event.event = event_type;
event.element.cq = &cq->ibcq;
if (cq->ibcq.event_handler)
cq->ibcq.event_handler(&event, cq->ibcq.cq_context);
if (atomic_dec_and_test(&cq->refcount))
wake_up(&cq->wait);
}
void mthca_cq_clean(struct mthca_dev *dev, u32 cqn, u32 qpn,
struct mthca_srq *srq)
{