453 static int initialize_event_pool(struct event_pool *pool,  in initialize_event_pool()  argument
458 	pool->size = size;  in initialize_event_pool()
459 	pool->next = 0;  in initialize_event_pool()
460 	pool->events = kcalloc(pool->size, sizeof(*pool->events), GFP_KERNEL);  in initialize_event_pool()
461 	if (!pool->events)  in initialize_event_pool()
464 	pool->iu_storage =  in initialize_event_pool()
466 			       pool->size * sizeof(*pool->iu_storage),  in initialize_event_pool()
467 			       &pool->iu_token, 0);  in initialize_event_pool()
468 	if (!pool->iu_storage) {  in initialize_event_pool()
469 		kfree(pool->events);  in initialize_event_pool()
473 	for (i = 0; i < pool->size; ++i) {  in initialize_event_pool()
474 		struct srp_event_struct *evt = &pool->events[i];  in initialize_event_pool()
479 		evt->crq.IU_data_ptr = cpu_to_be64(pool->iu_token +  in initialize_event_pool()
481 		evt->xfer_iu = pool->iu_storage + i;  in initialize_event_pool()
497 static void release_event_pool(struct event_pool *pool,  in release_event_pool()  argument
501 	for (i = 0; i < pool->size; ++i) {  in release_event_pool()
502 		if (atomic_read(&pool->events[i].free) != 1)  in release_event_pool()
504 		if (pool->events[i].ext_list) {  in release_event_pool()
507 				  pool->events[i].ext_list,  in release_event_pool()
508 				  pool->events[i].ext_list_token);  in release_event_pool()
514 	kfree(pool->events);  in release_event_pool()
516 			  pool->size * sizeof(*pool->iu_storage),  in release_event_pool()
517 			  pool->iu_storage, pool->iu_token);  in release_event_pool()
527 static int valid_event_struct(struct event_pool *pool,  in valid_event_struct()  argument
530 	int index = evt - pool->events;  in valid_event_struct()
531 	if (index < 0 || index >= pool->size)	/* outside of bounds */  in valid_event_struct()
533 	if (evt != pool->events + index)	/* unaligned */  in valid_event_struct()
544 static void free_event_struct(struct event_pool *pool,  in free_event_struct()  argument
547 	if (!valid_event_struct(pool, evt)) {  in free_event_struct()
549 			"(not in pool %p)\n", evt, pool->events);  in free_event_struct()
567 static struct srp_event_struct *get_event_struct(struct event_pool *pool)  in get_event_struct()  argument
570 	int poolsize = pool->size;  in get_event_struct()
571 	int offset = pool->next;  in get_event_struct()
575 		if (!atomic_dec_if_positive(&pool->events[offset].free)) {  in get_event_struct()
576 			pool->next = offset;  in get_event_struct()
577 			return &pool->events[offset];  in get_event_struct()
813 		free_event_struct(&evt->hostdata->pool, evt);  in purge_requests()
964 	free_event_struct(&hostdata->pool, evt_struct);  in ibmvscsi_send_srp_event()
978 	free_event_struct(&hostdata->pool, evt_struct);  in ibmvscsi_send_srp_event()
1047 	evt_struct = get_event_struct(&hostdata->pool);  in ibmvscsi_queuecommand_lck()
1062 		free_event_struct(&hostdata->pool, evt_struct);  in ibmvscsi_queuecommand_lck()
1195 	struct srp_event_struct *evt_struct = get_event_struct(&hostdata->pool);  in send_srp_login()
1264 	evt_struct = get_event_struct(&hostdata->pool);  in send_mad_capabilities()
1358 	evt_struct = get_event_struct(&hostdata->pool);  in enable_fast_fail()
1434 	evt_struct = get_event_struct(&hostdata->pool);  in send_mad_adapter_info()
1514 		evt = get_event_struct(&hostdata->pool);  in ibmvscsi_eh_abort_handler()
1611 	free_event_struct(&found_evt->hostdata->pool, found_evt);  in ibmvscsi_eh_abort_handler()
1637 		evt = get_event_struct(&hostdata->pool);  in ibmvscsi_eh_device_reset_handler()
1716 			free_event_struct(&tmp_evt->hostdata->pool,  in ibmvscsi_eh_device_reset_handler()
1822 	if (!valid_event_struct(&hostdata->pool, evt_struct)) {  in ibmvscsi_handle_crq()
1853 	free_event_struct(&evt_struct->hostdata->pool, evt_struct);  in ibmvscsi_handle_crq()
1870 	evt_struct = get_event_struct(&hostdata->pool);  in ibmvscsi_do_host_config()
1896 		free_event_struct(&hostdata->pool, evt_struct);  in ibmvscsi_do_host_config()
2287 	if (initialize_event_pool(&hostdata->pool, max_events, hostdata) != 0) {  in ibmvscsi_probe()
2342 	release_event_pool(&hostdata->pool, hostdata);  in ibmvscsi_probe()
2359 	release_event_pool(&hostdata->pool, hostdata);  in ibmvscsi_remove()