Lines Matching +full:compare +full:- +full:and +full:- +full:swap

1 // SPDX-License-Identifier: GPL-2.0
35 	u32 ind;	/* u32 because of compare-and-swap performance */
36 	atomic_t count; /* use count, 0 or 1 for non-shared indicators */
67 	atomic_dec(&ind->count);  in put_indicator()
72 	return irq_ptr->dsci == &q_indicators[TIQDIO_SHARED_IND].ind;  in references_shared_dsci()
81 	if (*irq_ptr->dsci)  in test_nonshared_ind()
95  * tiqdio_thinint_handler - thin interrupt handler for qdio
97  * @tpi_info: interrupt information (e.g. floating vs directed -- unused)
118 			if (!*irq->dsci)  in tiqdio_thinint_handler()
121 			xchg(irq->dsci, 0);  in tiqdio_thinint_handler()
125 		irq->last_data_irq_time = irq_time;  in tiqdio_thinint_handler()
139 	struct chsc_scssc_area *scssc = (void *)irq_ptr->chsc_page;  in set_subchannel_ind()
148 		subchannel_indicator_addr = virt_to_phys(irq_ptr->dsci);  in set_subchannel_ind()
151 	rc = chsc_sadc(irq_ptr->schid, scssc, summary_indicator_addr,  in set_subchannel_ind()
154 		DBF_ERROR("%4x SSI r:%4x", irq_ptr->schid.sch_no,  in set_subchannel_ind()
155 			  scssc->response.code);  in set_subchannel_ind()
173 	irq_ptr->dsci = get_indicator();  in qdio_establish_thinint()
174 	DBF_HEX(&irq_ptr->dsci, sizeof(void *));  in qdio_establish_thinint()
178 		put_indicator(irq_ptr->dsci);  in qdio_establish_thinint()
183 	list_add_rcu(&irq_ptr->entry, &tiq_list);  in qdio_establish_thinint()
194 	list_del_rcu(&irq_ptr->entry);  in qdio_shutdown_thinint()
200 	put_indicator(irq_ptr->dsci);  in qdio_shutdown_thinint()
210 		return -ENOMEM;  in qdio_thinint_init()