RDMA/ocrdma: SQ and RQ doorbell offset clean up
Introducing new macros to define SQ and RQ doorbell offset.
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_verbs.c b/drivers/infiniband/hw/ocrdma/ocrdma_verbs.c
index 7d59ed3..be75d2b 100644
--- a/drivers/infiniband/hw/ocrdma/ocrdma_verbs.c
+++ b/drivers/infiniband/hw/ocrdma/ocrdma_verbs.c
@@ -1127,15 +1127,9 @@
}
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;
@@ -1308,7 +1302,7 @@
{
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;
}
@@ -2052,7 +2046,7 @@
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);
}
@@ -2157,12 +2151,9 @@
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);
- else
- qp->db_cache++;
+ iowrite32(val, qp->rq_db);
}
static void ocrdma_build_rqe(struct ocrdma_hdr_wqe *rqe, struct ib_recv_wr *wr,