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-rw-r--r--drivers/infiniband/hw/hfi1/rc.c13
-rw-r--r--drivers/infiniband/hw/hfi1/verbs.c1
-rw-r--r--include/rdma/rdma_vt.h10
3 files changed, 17 insertions, 7 deletions
diff --git a/drivers/infiniband/hw/hfi1/rc.c b/drivers/infiniband/hw/hfi1/rc.c
index 940e9236c328..8970fc7ffd4b 100644
--- a/drivers/infiniband/hw/hfi1/rc.c
+++ b/drivers/infiniband/hw/hfi1/rc.c
@@ -122,7 +122,8 @@ static int make_rc_ack(struct hfi1_ibdev *dev, struct rvt_qp *qp,
* response has been sent instead of only being
* constructed.
*/
- if (++qp->s_tail_ack_queue > HFI1_MAX_RDMA_ATOMIC)
+ if (++qp->s_tail_ack_queue >
+ rvt_size_atomic(ib_to_rvt(qp->ibqp.device)))
qp->s_tail_ack_queue = 0;
/* FALLTHROUGH */
case OP(SEND_ONLY):
@@ -1818,7 +1819,7 @@ static noinline int rc_rcv_error(struct ib_other_headers *ohdr, void *data,
if (i)
prev = i - 1;
else
- prev = HFI1_MAX_RDMA_ATOMIC;
+ prev = rvt_size_atomic(ib_to_rvt(qp->ibqp.device));
if (prev == qp->r_head_ack_queue) {
e = NULL;
break;
@@ -1942,7 +1943,7 @@ static inline void update_ack_queue(struct rvt_qp *qp, unsigned n)
unsigned next;
next = n + 1;
- if (next > HFI1_MAX_RDMA_ATOMIC)
+ if (next > rvt_size_atomic(ib_to_rvt(qp->ibqp.device)))
next = 0;
qp->s_tail_ack_queue = next;
qp->s_ack_state = OP(ACKNOWLEDGE);
@@ -2298,8 +2299,8 @@ send_last:
if (unlikely(!(qp->qp_access_flags & IB_ACCESS_REMOTE_READ)))
goto nack_inv;
next = qp->r_head_ack_queue + 1;
- /* s_ack_queue is size HFI1_MAX_RDMA_ATOMIC+1 so use > not >= */
- if (next > HFI1_MAX_RDMA_ATOMIC)
+ /* s_ack_queue is size rvt_size_atomic()+1 so use > not >= */
+ if (next > rvt_size_atomic(ib_to_rvt(qp->ibqp.device)))
next = 0;
spin_lock_irqsave(&qp->s_lock, flags);
if (unlikely(next == qp->s_tail_ack_queue)) {
@@ -2373,7 +2374,7 @@ send_last:
if (unlikely(!(qp->qp_access_flags & IB_ACCESS_REMOTE_ATOMIC)))
goto nack_inv;
next = qp->r_head_ack_queue + 1;
- if (next > HFI1_MAX_RDMA_ATOMIC)
+ if (next > rvt_size_atomic(ib_to_rvt(qp->ibqp.device)))
next = 0;
spin_lock_irqsave(&qp->s_lock, flags);
if (unlikely(next == qp->s_tail_ack_queue)) {
diff --git a/drivers/infiniband/hw/hfi1/verbs.c b/drivers/infiniband/hw/hfi1/verbs.c
index c980345cf1e1..ec3899c0874c 100644
--- a/drivers/infiniband/hw/hfi1/verbs.c
+++ b/drivers/infiniband/hw/hfi1/verbs.c
@@ -1735,6 +1735,7 @@ int hfi1_register_ib_device(struct hfi1_devdata *dd)
dd->verbs_dev.rdi.dparms.sge_copy_mode = sge_copy_mode;
dd->verbs_dev.rdi.dparms.wss_threshold = wss_threshold;
dd->verbs_dev.rdi.dparms.wss_clean_period = wss_clean_period;
+ dd->verbs_dev.rdi.dparms.extra_rdma_atomic = 1;
/* post send table */
dd->verbs_dev.rdi.post_parms = hfi1_post_parms;
diff --git a/include/rdma/rdma_vt.h b/include/rdma/rdma_vt.h
index acb3bc96dfa7..168e40be183c 100644
--- a/include/rdma/rdma_vt.h
+++ b/include/rdma/rdma_vt.h
@@ -182,6 +182,7 @@ struct rvt_driver_params {
u32 max_mad_size;
u8 qos_shift;
u8 max_rdma_atomic;
+ u8 extra_rdma_atomic;
u8 reserved_operations;
};
@@ -519,7 +520,14 @@ static inline unsigned rvt_get_npkeys(struct rvt_dev_info *rdi)
*/
static inline unsigned int rvt_max_atomic(struct rvt_dev_info *rdi)
{
- return rdi->dparms.max_rdma_atomic + 1;
+ return rdi->dparms.max_rdma_atomic +
+ rdi->dparms.extra_rdma_atomic + 1;
+}
+
+static inline unsigned int rvt_size_atomic(struct rvt_dev_info *rdi)
+{
+ return rdi->dparms.max_rdma_atomic +
+ rdi->dparms.extra_rdma_atomic;
}
/*