diff options
| author | Krzysztof Czurylo <krzysztof.czurylo@intel.com> | 2023-07-25 10:55:04 -0500 |
|---|---|---|
| committer | Leon Romanovsky <leon@kernel.org> | 2023-07-26 15:05:36 +0300 |
| commit | e49bad785e550fe26ca9416ffc0c85fef84be808 (patch) | |
| tree | e37a23a6ee018384a6be6f63d71e491d9ceec4f7 /drivers/infiniband/hw/irdma/verbs.c | |
| parent | 133b1cba46c6c8b67c630eacc0a1e4969da16517 (diff) | |
RDMA/irdma: Add table based lookup for CQ pointer during an event
Add a CQ table based loookup to allow quick search
for CQ pointer having CQ ID in case of CQ related
asynchrononous event. The table is implemented in a
similar fashion to QP table.
Also add a reference counters for CQ. This is to prevent
destroying CQ while an asynchronous event is being processed.
The memory resource table size is sized higher with this update,
and this table doesn't need to be physically contiguous, so use
a vzalloc vs kzalloc to allocate the table.
Signed-off-by: Krzysztof Czurylo <krzysztof.czurylo@intel.com>
Signed-off-by: Sindhu Devale <sindhu.devale@intel.com>
Signed-off-by: Shiraz Saleem <shiraz.saleem@intel.com>
Link: https://lore.kernel.org/r/20230725155505.1069-4-shiraz.saleem@intel.com
Signed-off-by: Leon Romanovsky <leon@kernel.org>
Diffstat (limited to 'drivers/infiniband/hw/irdma/verbs.c')
| -rw-r--r-- | drivers/infiniband/hw/irdma/verbs.c | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/drivers/infiniband/hw/irdma/verbs.c b/drivers/infiniband/hw/irdma/verbs.c index a7b82aea4d08..2009819bfad9 100644 --- a/drivers/infiniband/hw/irdma/verbs.c +++ b/drivers/infiniband/hw/irdma/verbs.c @@ -1805,6 +1805,9 @@ static int irdma_destroy_cq(struct ib_cq *ib_cq, struct ib_udata *udata) irdma_process_resize_list(iwcq, iwdev, NULL); spin_unlock_irqrestore(&iwcq->lock, flags); + irdma_cq_rem_ref(ib_cq); + wait_for_completion(&iwcq->free_cq); + irdma_cq_wq_destroy(iwdev->rf, cq); spin_lock_irqsave(&iwceq->ce_lock, flags); @@ -2014,6 +2017,7 @@ static int irdma_create_cq(struct ib_cq *ibcq, cq = &iwcq->sc_cq; cq->back_cq = iwcq; + refcount_set(&iwcq->refcnt, 1); spin_lock_init(&iwcq->lock); INIT_LIST_HEAD(&iwcq->resize_list); INIT_LIST_HEAD(&iwcq->cmpl_generated); @@ -2165,6 +2169,9 @@ static int irdma_create_cq(struct ib_cq *ibcq, goto cq_destroy; } } + rf->cq_table[cq_num] = iwcq; + init_completion(&iwcq->free_cq); + return 0; cq_destroy: irdma_cq_wq_destroy(rf, cq); |