Hi Roland,

Please discard this patch. 
Due to IP based GID changes, this won't apply clean, We are planning to send 
you a new series of patches on for-next tree please use that instead.

-Regards
 Devesh
-----Original Message-----
From: linux-rdma-ow...@vger.kernel.org 
[mailto:linux-rdma-ow...@vger.kernel.org] On Behalf Of devesh.sha...@emulex.com
Sent: Monday, November 18, 2013 4:58 PM
To: linux-rdma@vger.kernel.org
Subject: [PATCH] RDMA/ocrdma: SQ and RQ doorbell offset clean up

From: Devesh Sharma<devesh.sha...@emulex.com>

Introducing new macros to define SQ and RQ doorbell offset.

Signed-off-by: Devesh Sharma <devesh.sha...@emulex.com>
---
 drivers/infiniband/hw/ocrdma/ocrdma.h       |    7 -------
 drivers/infiniband/hw/ocrdma/ocrdma_sli.h   |    5 ++++-
 drivers/infiniband/hw/ocrdma/ocrdma_verbs.c |   18 ++++++------------
 3 files changed, 10 insertions(+), 20 deletions(-)

diff --git a/drivers/infiniband/hw/ocrdma/ocrdma.h 
b/drivers/infiniband/hw/ocrdma/ocrdma.h
index adc11d1..07d156f 100644
--- a/drivers/infiniband/hw/ocrdma/ocrdma.h
+++ b/drivers/infiniband/hw/ocrdma/ocrdma.h
@@ -384,13 +384,6 @@ static inline struct ocrdma_srq *get_ocrdma_srq(struct 
ib_srq *ibsrq)
        return container_of(ibsrq, struct ocrdma_srq, ibsrq);  }
 
-
-static inline int ocrdma_get_num_posted_shift(struct ocrdma_qp *qp) -{
-       return ((qp->dev->nic_info.dev_family == OCRDMA_GEN2_FAMILY &&
-                qp->id < 128) ? 24 : 16);
-}
-
 static inline int is_cqe_valid(struct ocrdma_cq *cq, struct ocrdma_cqe *cqe)  {
        int cqe_valid;
diff --git a/drivers/infiniband/hw/ocrdma/ocrdma_sli.h 
b/drivers/infiniband/hw/ocrdma/ocrdma_sli.h
index 9f9570e..38df269 100644
--- a/drivers/infiniband/hw/ocrdma/ocrdma_sli.h
+++ b/drivers/infiniband/hw/ocrdma/ocrdma_sli.h
@@ -103,7 +103,10 @@ enum {
        OCRDMA_DB_GEN2_SRQ_OFFSET       = OCRDMA_DB_GEN2_RQ_OFFSET,
        OCRDMA_DB_CQ_OFFSET             = 0x120,
        OCRDMA_DB_EQ_OFFSET             = OCRDMA_DB_CQ_OFFSET,
-       OCRDMA_DB_MQ_OFFSET             = 0x140
+       OCRDMA_DB_MQ_OFFSET             = 0x140,
+
+       OCRDMA_DB_SQ_SHIFT              = 16,
+       OCRDMA_DB_RQ_SHIFT              = 24
 };
 
 #define OCRDMA_DB_CQ_RING_ID_MASK       0x3FF  /* bits 0 - 9 */
diff --git a/drivers/infiniband/hw/ocrdma/ocrdma_verbs.c 
b/drivers/infiniband/hw/ocrdma/ocrdma_verbs.c
index 69f1d12..c80ba6e 100644
--- a/drivers/infiniband/hw/ocrdma/ocrdma_verbs.c
+++ b/drivers/infiniband/hw/ocrdma/ocrdma_verbs.c
@@ -1092,15 +1092,9 @@ static int ocrdma_copy_qp_uresp(struct ocrdma_qp *qp,
        }
        uresp.db_page_addr = usr_db;
        uresp.db_page_size = dev->nic_info.db_page_size;
-       if (dev->nic_info.dev_family == OCRDMA_GEN2_FAMILY) {
-               uresp.db_sq_offset = OCRDMA_DB_GEN2_SQ_OFFSET;
-               uresp.db_rq_offset = OCRDMA_DB_GEN2_RQ_OFFSET;
-               uresp.db_shift = 24;
-       } else {
-               uresp.db_sq_offset = OCRDMA_DB_SQ_OFFSET;
-               uresp.db_rq_offset = OCRDMA_DB_RQ_OFFSET;
-               uresp.db_shift = 16;
-       }
+       uresp.db_sq_offset = OCRDMA_DB_GEN2_SQ_OFFSET;
+       uresp.db_rq_offset = OCRDMA_DB_GEN2_RQ_OFFSET;
+       uresp.db_shift = OCRDMA_DB_RQ_SHIFT;
 
        if (qp->dpp_enabled) {
                uresp.dpp_credit = dpp_credit_lmt;
@@ -1273,7 +1267,7 @@ static void ocrdma_flush_rq_db(struct ocrdma_qp *qp)  {
        if (qp->db_cache) {
                u32 val = qp->rq.dbid | (qp->db_cache <<
-                               ocrdma_get_num_posted_shift(qp));
+                               OCRDMA_DB_RQ_SHIFT);
                iowrite32(val, qp->rq_db);
                qp->db_cache = 0;
        }
@@ -2018,7 +2012,7 @@ static int ocrdma_build_fr(struct ocrdma_qp *qp, struct 
ocrdma_hdr_wqe *hdr,
 
 static void ocrdma_ring_sq_db(struct ocrdma_qp *qp)  {
-       u32 val = qp->sq.dbid | (1 << 16);
+       u32 val = qp->sq.dbid | (1 << OCRDMA_DB_SQ_SHIFT);
 
        iowrite32(val, qp->sq_db);
 }
@@ -2123,7 +2117,7 @@ int ocrdma_post_send(struct ib_qp *ibqp, struct 
ib_send_wr *wr,
 
 static void ocrdma_ring_rq_db(struct ocrdma_qp *qp)  {
-       u32 val = qp->rq.dbid | (1 << ocrdma_get_num_posted_shift(qp));
+       u32 val = qp->rq.dbid | (1 << OCRDMA_DB_RQ_SHIFT);
 
        if (qp->state != OCRDMA_QPS_INIT)
                iowrite32(val, qp->rq_db);
--
1.7.1

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