Merge tag 'rdma-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/roland...

[karo-tx-linux.git] / drivers / infiniband / hw / cxgb4 / t4.h

diff --git a/drivers/infiniband/hw/cxgb4/t4.h b/drivers/infiniband/hw/cxgb4/t4.h
index df5edfa31a8fe118b950d500fc4bed3c76da5d47..c04e5134b30cb27055740f572403b25cd4c1dc6a 100644 (file)
--- a/drivers/infiniband/hw/cxgb4/t4.h
+++ b/drivers/infiniband/hw/cxgb4/t4.h
@@ -524,6 +524,10 @@ static inline int t4_wq_db_enabled(struct t4_wq *wq)
        return !wq->rq.queue[wq->rq.size].status.db_off;
 }
 
+enum t4_cq_flags {
+       CQ_ARMED        = 1,
+};
+
 struct t4_cq {
        struct t4_cqe *queue;
        dma_addr_t dma_addr;
@@ -544,12 +548,19 @@ struct t4_cq {
        u16 cidx_inc;
        u8 gen;
        u8 error;
+       unsigned long flags;
 };
 
+static inline int t4_clear_cq_armed(struct t4_cq *cq)
+{
+       return test_and_clear_bit(CQ_ARMED, &cq->flags);
+}
+
 static inline int t4_arm_cq(struct t4_cq *cq, int se)
 {
        u32 val;
 
+       set_bit(CQ_ARMED, &cq->flags);
        while (cq->cidx_inc > CIDXINC_MASK) {
                val = SEINTARM(0) | CIDXINC(CIDXINC_MASK) | TIMERREG(7) |
                      INGRESSQID(cq->cqid);