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[v1,for-next,06/16] RDMA/ocrdma: Remove hardcoding of the max DPP QPs supported

Message ID 3485bb4e-54dc-4a5b-b157-bb6d9a35f30e@CMEXHTCAS1.ad.emulex.com (mailing list archive)
State Accepted, archived
Headers show

Commit Message

Selvin Xavier June 10, 2014, 2:02 p.m. UTC 
From: Devesh Sharma <devesh.sharma@emulex.com>

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>
---
 drivers/infiniband/hw/ocrdma/ocrdma_sli.h   |    1 -
 drivers/infiniband/hw/ocrdma/ocrdma_verbs.c |    3 ++-
 2 files changed, 2 insertions(+), 2 deletions(-)
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Patch

diff --git a/drivers/infiniband/hw/ocrdma/ocrdma_sli.h b/drivers/infiniband/hw/ocrdma/ocrdma_sli.h
index 4defae8..14a84b2 100644
--- 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
--- 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: