455 	struct ib_srq *srq;  in ib_create_srq()  local
460 	srq = pd->device->create_srq(pd, srq_init_attr, NULL);  in ib_create_srq()
462 	if (!IS_ERR(srq)) {  in ib_create_srq()
463 		srq->device    	   = pd->device;  in ib_create_srq()
464 		srq->pd        	   = pd;  in ib_create_srq()
465 		srq->uobject       = NULL;  in ib_create_srq()
466 		srq->event_handler = srq_init_attr->event_handler;  in ib_create_srq()
467 		srq->srq_context   = srq_init_attr->srq_context;  in ib_create_srq()
468 		srq->srq_type      = srq_init_attr->srq_type;  in ib_create_srq()
469 		if (srq->srq_type == IB_SRQT_XRC) {  in ib_create_srq()
470 			srq->ext.xrc.xrcd = srq_init_attr->ext.xrc.xrcd;  in ib_create_srq()
471 			srq->ext.xrc.cq   = srq_init_attr->ext.xrc.cq;  in ib_create_srq()
472 			atomic_inc(&srq->ext.xrc.xrcd->usecnt);  in ib_create_srq()
473 			atomic_inc(&srq->ext.xrc.cq->usecnt);  in ib_create_srq()
476 		atomic_set(&srq->usecnt, 0);  in ib_create_srq()
479 	return srq;  in ib_create_srq()
483 int ib_modify_srq(struct ib_srq *srq,  in ib_modify_srq()  argument
487 	return srq->device->modify_srq ?  in ib_modify_srq()
488 		srq->device->modify_srq(srq, srq_attr, srq_attr_mask, NULL) :  in ib_modify_srq()
493 int ib_query_srq(struct ib_srq *srq,  in ib_query_srq()  argument
496 	return srq->device->query_srq ?  in ib_query_srq()
497 		srq->device->query_srq(srq, srq_attr) : -ENOSYS;  in ib_query_srq()
501 int ib_destroy_srq(struct ib_srq *srq)  in ib_destroy_srq()  argument
509 	if (atomic_read(&srq->usecnt))  in ib_destroy_srq()
512 	pd = srq->pd;  in ib_destroy_srq()
513 	srq_type = srq->srq_type;  in ib_destroy_srq()
515 		xrcd = srq->ext.xrc.xrcd;  in ib_destroy_srq()
516 		cq = srq->ext.xrc.cq;  in ib_destroy_srq()
519 	ret = srq->device->destroy_srq(srq);  in ib_destroy_srq()
622 			qp->srq = NULL;  in ib_create_qp()
639 				qp->srq = NULL;  in ib_create_qp()
643 				qp->srq = qp_init_attr->srq;  in ib_create_qp()
644 				if (qp->srq)  in ib_create_qp()
645 					atomic_inc(&qp_init_attr->srq->usecnt);  in ib_create_qp()
1122 	struct ib_srq *srq;  in ib_destroy_qp()  local
1134 	srq  = qp->srq;  in ib_destroy_qp()
1144 		if (srq)  in ib_destroy_qp()
1145 			atomic_dec(&srq->usecnt);  in ib_destroy_qp()