311 			srq->ext.xrc.xrcd = srq_init_attr->ext.xrc.xrcd;  in ib_create_srq()
313 			atomic_inc(&srq->ext.xrc.xrcd->usecnt);  in ib_create_srq()
346 	struct ib_xrcd *uninitialized_var(xrcd);  in ib_destroy_srq()
356 		xrcd = srq->ext.xrc.xrcd;  in ib_destroy_srq()
364 			atomic_dec(&xrcd->usecnt);  in ib_destroy_srq()
387 static void __ib_insert_xrcd_qp(struct ib_xrcd *xrcd, struct ib_qp *qp)  in __ib_insert_xrcd_qp()  argument
389 	mutex_lock(&xrcd->tgt_qp_mutex);  in __ib_insert_xrcd_qp()
390 	list_add(&qp->xrcd_list, &xrcd->tgt_qp_list);  in __ib_insert_xrcd_qp()
391 	mutex_unlock(&xrcd->tgt_qp_mutex);  in __ib_insert_xrcd_qp()
420 struct ib_qp *ib_open_qp(struct ib_xrcd *xrcd,  in ib_open_qp()  argument
429 	mutex_lock(&xrcd->tgt_qp_mutex);  in ib_open_qp()
430 	list_for_each_entry(real_qp, &xrcd->tgt_qp_list, xrcd_list) {  in ib_open_qp()
437 	mutex_unlock(&xrcd->tgt_qp_mutex);  in ib_open_qp()
448 	device = pd ? pd->device : qp_init_attr->xrcd->device;  in ib_create_qp()
464 			qp->xrcd = qp_init_attr->xrcd;  in ib_create_qp()
465 			atomic_inc(&qp_init_attr->xrcd->usecnt);  in ib_create_qp()
472 				__ib_insert_xrcd_qp(qp_init_attr->xrcd, real_qp);  in ib_create_qp()
491 			qp->xrcd    = NULL;  in ib_create_qp()
950 	struct ib_xrcd *xrcd;  in __ib_destroy_shared_qp()  local
955 	xrcd = real_qp->xrcd;  in __ib_destroy_shared_qp()
957 	mutex_lock(&xrcd->tgt_qp_mutex);  in __ib_destroy_shared_qp()
963 	mutex_unlock(&xrcd->tgt_qp_mutex);  in __ib_destroy_shared_qp()
968 			atomic_dec(&xrcd->usecnt);  in __ib_destroy_shared_qp()
970 			__ib_insert_xrcd_qp(xrcd, real_qp);  in __ib_destroy_shared_qp()
1378 	struct ib_xrcd *xrcd;  in ib_alloc_xrcd()  local
1383 	xrcd = device->alloc_xrcd(device, NULL, NULL);  in ib_alloc_xrcd()
1384 	if (!IS_ERR(xrcd)) {  in ib_alloc_xrcd()
1385 		xrcd->device = device;  in ib_alloc_xrcd()
1386 		xrcd->inode = NULL;  in ib_alloc_xrcd()
1387 		atomic_set(&xrcd->usecnt, 0);  in ib_alloc_xrcd()
1388 		mutex_init(&xrcd->tgt_qp_mutex);  in ib_alloc_xrcd()
1389 		INIT_LIST_HEAD(&xrcd->tgt_qp_list);  in ib_alloc_xrcd()
1392 	return xrcd;  in ib_alloc_xrcd()
1396 int ib_dealloc_xrcd(struct ib_xrcd *xrcd)  in ib_dealloc_xrcd()  argument
1401 	if (atomic_read(&xrcd->usecnt))  in ib_dealloc_xrcd()
1404 	while (!list_empty(&xrcd->tgt_qp_list)) {  in ib_dealloc_xrcd()
1405 		qp = list_entry(xrcd->tgt_qp_list.next, struct ib_qp, xrcd_list);  in ib_dealloc_xrcd()
1411 	return xrcd->device->dealloc_xrcd(xrcd);  in ib_dealloc_xrcd()