RDMA/ocrdma: Remove hardcoding of the max DPP QPs supported

Removing hardcoded value of max dpp qps and calculate the same from
doorbell page size and WQE size.

Signed-off-by: Devesh Sharma <devesh.sharma@emulex.com>
Signed-off-by: Selvin Xavier <selvin.xavier@emulex.com>
Signed-off-by: Roland Dreier <roland@purestorage.com>

diff --git a/drivers/infiniband/hw/ocrdma/ocrdma_sli.h b/drivers/infiniband/hw/ocrdma/ocrdma_sli.h
index 4defae8..14a84b2 100644 (file)
--- a/drivers/infiniband/hw/ocrdma/ocrdma_sli.h
+++ b/drivers/infiniband/hw/ocrdma/ocrdma_sli.h
@@ -1236,7 +1236,6 @@ struct ocrdma_destroy_srq {
 
 enum {
        OCRDMA_ALLOC_PD_ENABLE_DPP      = BIT(16),
-       OCRDMA_PD_MAX_DPP_ENABLED_QP    = 8,
        OCRDMA_DPP_PAGE_SIZE            = 4096
 };
 

diff --git a/drivers/infiniband/hw/ocrdma/ocrdma_verbs.c b/drivers/infiniband/hw/ocrdma/ocrdma_verbs.c
index edf6211..0d7d808 100644 (file)
--- a/drivers/infiniband/hw/ocrdma/ocrdma_verbs.c
+++ b/drivers/infiniband/hw/ocrdma/ocrdma_verbs.c
@@ -268,7 +268,8 @@ static struct ocrdma_pd *_ocrdma_alloc_pd(struct ocrdma_dev *dev,
                pd->dpp_enabled =
                        ocrdma_get_asic_type(dev) == OCRDMA_ASIC_GEN_SKH_R;
                pd->num_dpp_qp =
-                       pd->dpp_enabled ? OCRDMA_PD_MAX_DPP_ENABLED_QP : 0;
+                       pd->dpp_enabled ? (dev->nic_info.db_page_size /
+                                          dev->attr.wqe_size) : 0;
        }
 
 retry: