934 	struct ib_srq *srq;  in ib_create_srq()  local
939 	srq = pd->device->create_srq(pd, srq_init_attr, NULL);  in ib_create_srq()
941 	if (!IS_ERR(srq)) {  in ib_create_srq()
942 		srq->device    	   = pd->device;  in ib_create_srq()
943 		srq->pd        	   = pd;  in ib_create_srq()
944 		srq->uobject       = NULL;  in ib_create_srq()
945 		srq->event_handler = srq_init_attr->event_handler;  in ib_create_srq()
946 		srq->srq_context   = srq_init_attr->srq_context;  in ib_create_srq()
947 		srq->srq_type      = srq_init_attr->srq_type;  in ib_create_srq()
948 		if (ib_srq_has_cq(srq->srq_type)) {  in ib_create_srq()
949 			srq->ext.cq   = srq_init_attr->ext.cq;  in ib_create_srq()
950 			atomic_inc(&srq->ext.cq->usecnt);  in ib_create_srq()
952 		if (srq->srq_type == IB_SRQT_XRC) {  in ib_create_srq()
953 			srq->ext.xrc.xrcd = srq_init_attr->ext.xrc.xrcd;  in ib_create_srq()
954 			atomic_inc(&srq->ext.xrc.xrcd->usecnt);  in ib_create_srq()
957 		atomic_set(&srq->usecnt, 0);  in ib_create_srq()
960 	return srq;  in ib_create_srq()
964 int ib_modify_srq(struct ib_srq *srq,  in ib_modify_srq()  argument
968 	return srq->device->modify_srq ?  in ib_modify_srq()
969 		srq->device->modify_srq(srq, srq_attr, srq_attr_mask, NULL) :  in ib_modify_srq()
974 int ib_query_srq(struct ib_srq *srq,  in ib_query_srq()  argument
977 	return srq->device->query_srq ?  in ib_query_srq()
978 		srq->device->query_srq(srq, srq_attr) : -EOPNOTSUPP;  in ib_query_srq()
982 int ib_destroy_srq(struct ib_srq *srq)  in ib_destroy_srq()  argument
990 	if (atomic_read(&srq->usecnt))  in ib_destroy_srq()
993 	pd = srq->pd;  in ib_destroy_srq()
994 	srq_type = srq->srq_type;  in ib_destroy_srq()
996 		cq = srq->ext.cq;  in ib_destroy_srq()
998 		xrcd = srq->ext.xrc.xrcd;  in ib_destroy_srq()
1000 	ret = srq->device->destroy_srq(srq);  in ib_destroy_srq()
1099 	qp->srq = NULL;  in ib_create_xrc_qp()
1122 	    qp_init_attr->srq || qp_init_attr->cap.max_recv_wr ||  in ib_create_qp()
1163 		qp->srq = NULL;  in ib_create_qp()
1168 		qp->srq = qp_init_attr->srq;  in ib_create_qp()
1169 		if (qp->srq)  in ib_create_qp()
1170 			atomic_inc(&qp_init_attr->srq->usecnt);  in ib_create_qp()
1817 	struct ib_srq *srq;  in ib_destroy_qp()  local
1833 	srq  = qp->srq;  in ib_destroy_qp()
1855 		if (srq)  in ib_destroy_qp()
1856 			atomic_dec(&srq->usecnt);  in ib_destroy_qp()
2620 	if (!qp->srq)  in ib_drain_qp()