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path: root/drivers/infiniband/hw/irdma/utils.c
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Diffstat (limited to 'drivers/infiniband/hw/irdma/utils.c')
-rw-r--r--drivers/infiniband/hw/irdma/utils.c24
1 files changed, 17 insertions, 7 deletions
diff --git a/drivers/infiniband/hw/irdma/utils.c b/drivers/infiniband/hw/irdma/utils.c
index 8b42c43fc14f..398736d8c78a 100644
--- a/drivers/infiniband/hw/irdma/utils.c
+++ b/drivers/infiniband/hw/irdma/utils.c
@@ -2239,15 +2239,10 @@ enum irdma_status_code irdma_prm_add_pble_mem(struct irdma_pble_prm *pprm,
sizeofbitmap = (u64)pchunk->size >> pprm->pble_shift;
- pchunk->bitmapmem.size = sizeofbitmap >> 3;
- pchunk->bitmapmem.va = kzalloc(pchunk->bitmapmem.size, GFP_KERNEL);
-
- if (!pchunk->bitmapmem.va)
+ pchunk->bitmapbuf = bitmap_zalloc(sizeofbitmap, GFP_KERNEL);
+ if (!pchunk->bitmapbuf)
return IRDMA_ERR_NO_MEMORY;
- pchunk->bitmapbuf = pchunk->bitmapmem.va;
- bitmap_zero(pchunk->bitmapbuf, sizeofbitmap);
-
pchunk->sizeofbitmap = sizeofbitmap;
/* each pble is 8 bytes hence shift by 3 */
pprm->total_pble_alloc += pchunk->size >> 3;
@@ -2491,3 +2486,18 @@ void irdma_ib_qp_event(struct irdma_qp *iwqp, enum irdma_qp_event_type event)
ibevent.element.qp = &iwqp->ibqp;
iwqp->ibqp.event_handler(&ibevent, iwqp->ibqp.qp_context);
}
+
+bool irdma_cq_empty(struct irdma_cq *iwcq)
+{
+ struct irdma_cq_uk *ukcq;
+ u64 qword3;
+ __le64 *cqe;
+ u8 polarity;
+
+ ukcq = &iwcq->sc_cq.cq_uk;
+ cqe = IRDMA_GET_CURRENT_CQ_ELEM(ukcq);
+ get_64bit_val(cqe, 24, &qword3);
+ polarity = (u8)FIELD_GET(IRDMA_CQ_VALID, qword3);
+
+ return polarity != ukcq->polarity;
+}