135 static u32 xive_scan_interrupts(struct xive_cpu *xc, bool just_peek)  in xive_scan_interrupts()  argument
141 	while (xc->pending_prio != 0) {  in xive_scan_interrupts()
144 		prio = ffs(xc->pending_prio) - 1;  in xive_scan_interrupts()
148 		irq = xive_read_eq(&xc->queue[prio], just_peek);  in xive_scan_interrupts()
166 		xc->pending_prio &= ~(1 << prio);  in xive_scan_interrupts()
173 		q = &xc->queue[prio];  in xive_scan_interrupts()
188 	if (prio != xc->cppr) {  in xive_scan_interrupts()
190 		xc->cppr = prio;  in xive_scan_interrupts()
246 	struct xive_cpu *xc = per_cpu(xive_cpu, cpu);  in xmon_xive_do_dump()  local
249 	if (xc) {  in xmon_xive_do_dump()
250 		xmon_printf("pp=%02x CPPR=%02x ", xc->pending_prio, xc->cppr);  in xmon_xive_do_dump()
254 			u64 val = xive_esb_read(&xc->ipi_data, XIVE_ESB_GET);  in xmon_xive_do_dump()
256 			xmon_printf("IPI=0x%08x PQ=%c%c ", xc->hw_ipi,  in xmon_xive_do_dump()
261 		xive_dump_eq("EQ", &xc->queue[xive_irq_priority]);  in xmon_xive_do_dump()
299 	struct xive_cpu *xc = __this_cpu_read(xive_cpu);  in xive_get_irq()  local
316 	xive_ops->update_pending(xc);  in xive_get_irq()
318 	DBG_VERBOSE("get_irq: pending=%02x\n", xc->pending_prio);  in xive_get_irq()
321 	irq = xive_scan_interrupts(xc, false);  in xive_get_irq()
324 	    irq, xc->pending_prio);  in xive_get_irq()
342 static void xive_do_queue_eoi(struct xive_cpu *xc)  in xive_do_queue_eoi()  argument
344 	if (xive_scan_interrupts(xc, true) != 0) {  in xive_do_queue_eoi()
345 		DBG_VERBOSE("eoi: pending=0x%02x\n", xc->pending_prio);  in xive_do_queue_eoi()
404 	struct xive_cpu *xc = __this_cpu_read(xive_cpu);  in xive_irq_eoi()  local
407 		    d->irq, irqd_to_hwirq(d), xc->pending_prio);  in xive_irq_eoi()
426 	xive_do_queue_eoi(xc);  in xive_irq_eoi()
468 	struct xive_cpu *xc = per_cpu(xive_cpu, cpu);  in xive_try_pick_target()  local
469 	struct xive_q *q = &xc->queue[xive_irq_priority];  in xive_try_pick_target()
492 	struct xive_cpu *xc = per_cpu(xive_cpu, cpu);  in xive_dec_target_count()  local
493 	struct xive_q *q = &xc->queue[xive_irq_priority];  in xive_dec_target_count()
495 	if (WARN_ON(cpu < 0 || !xc)) {  in xive_dec_target_count()
496 		pr_err("%s: cpu=%d xc=%p\n", __func__, cpu, xc);  in xive_dec_target_count()
573 			struct xive_cpu *xc = per_cpu(xive_cpu, cpu);  in xive_pick_irq_target()  local
574 			if (xc->chip_id == xd->src_chip)  in xive_pick_irq_target()
1056 	struct xive_cpu *xc;  in xive_cause_ipi()  local
1059 	xc = per_cpu(xive_cpu, cpu);  in xive_cause_ipi()
1062 		    smp_processor_id(), cpu, xc->hw_ipi);  in xive_cause_ipi()
1064 	xd = &xc->ipi_data;  in xive_cause_ipi()
1077 	struct xive_cpu *xc = __this_cpu_read(xive_cpu);  in xive_ipi_eoi()  local
1080 	if (!xc)  in xive_ipi_eoi()
1084 		    d->irq, irqd_to_hwirq(d), xc->hw_ipi, xc->pending_prio);  in xive_ipi_eoi()
1086 	xive_do_source_eoi(xc->hw_ipi, &xc->ipi_data);  in xive_ipi_eoi()
1087 	xive_do_queue_eoi(xc);  in xive_ipi_eoi()
1127 	struct xive_cpu *xc;  in xive_setup_cpu_ipi()  local
1132 	xc = per_cpu(xive_cpu, cpu);  in xive_setup_cpu_ipi()
1135 	if (xc->hw_ipi != 0)  in xive_setup_cpu_ipi()
1139 	if (xive_ops->get_ipi(cpu, xc))  in xive_setup_cpu_ipi()
1146 	rc = xive_ops->populate_irq_data(xc->hw_ipi, &xc->ipi_data);  in xive_setup_cpu_ipi()
1151 	rc = xive_ops->configure_irq(xc->hw_ipi,  in xive_setup_cpu_ipi()
1159 	    xc->hw_ipi, xive_ipi_irq, xc->ipi_data.trig_mmio);  in xive_setup_cpu_ipi()
1162 	xive_do_source_set_mask(&xc->ipi_data, false);  in xive_setup_cpu_ipi()
1167 static void xive_cleanup_cpu_ipi(unsigned int cpu, struct xive_cpu *xc)  in xive_cleanup_cpu_ipi()  argument
1172 	if (xc->hw_ipi == 0)  in xive_cleanup_cpu_ipi()
1176 	xive_do_source_set_mask(&xc->ipi_data, true);  in xive_cleanup_cpu_ipi()
1185 	xive_ops->configure_irq(xc->hw_ipi, hard_smp_processor_id(),  in xive_cleanup_cpu_ipi()
1189 	xive_ops->put_ipi(cpu, xc);  in xive_cleanup_cpu_ipi()
1295 static void xive_cleanup_cpu_queues(unsigned int cpu, struct xive_cpu *xc)  in xive_cleanup_cpu_queues()  argument
1297 	if (xc->queue[xive_irq_priority].qpage)  in xive_cleanup_cpu_queues()
1298 		xive_ops->cleanup_queue(cpu, xc, xive_irq_priority);  in xive_cleanup_cpu_queues()
1301 static int xive_setup_cpu_queues(unsigned int cpu, struct xive_cpu *xc)  in xive_setup_cpu_queues()  argument
1306 	if (!xc->queue[xive_irq_priority].qpage)  in xive_setup_cpu_queues()
1307 		rc = xive_ops->setup_queue(cpu, xc, xive_irq_priority);  in xive_setup_cpu_queues()
1314 	struct xive_cpu *xc;  in xive_prepare_cpu()  local
1316 	xc = per_cpu(xive_cpu, cpu);  in xive_prepare_cpu()
1317 	if (!xc) {  in xive_prepare_cpu()
1320 		xc = kzalloc_node(sizeof(struct xive_cpu),  in xive_prepare_cpu()
1322 		if (!xc)  in xive_prepare_cpu()
1326 			xc->chip_id = of_get_ibm_chip_id(np);  in xive_prepare_cpu()
1329 		per_cpu(xive_cpu, cpu) = xc;  in xive_prepare_cpu()
1333 	return xive_setup_cpu_queues(cpu, xc);  in xive_prepare_cpu()
1338 	struct xive_cpu *xc = __this_cpu_read(xive_cpu);  in xive_setup_cpu()  local
1342 		xive_ops->setup_cpu(smp_processor_id(), xc);  in xive_setup_cpu()
1345 	xc->cppr = 0xff;  in xive_setup_cpu()
1374 static void xive_flush_cpu_queue(unsigned int cpu, struct xive_cpu *xc)  in xive_flush_cpu_queue()  argument
1382 	while ((irq = xive_scan_interrupts(xc, false)) != 0) {  in xive_flush_cpu_queue()
1431 	struct xive_cpu *xc = __this_cpu_read(xive_cpu);  in xive_smp_disable_cpu()  local
1438 	xc->cppr = 0;  in xive_smp_disable_cpu()
1442 	xive_flush_cpu_queue(cpu, xc);  in xive_smp_disable_cpu()
1445 	xc->cppr = 0xff;  in xive_smp_disable_cpu()
1451 	struct xive_cpu *xc = __this_cpu_read(xive_cpu);  in xive_flush_interrupt()  local
1455 	xive_flush_cpu_queue(cpu, xc);  in xive_flush_interrupt()
1464 	struct xive_cpu *xc = __this_cpu_read(xive_cpu);  in xive_teardown_cpu()  local
1468 	xc->cppr = 0;  in xive_teardown_cpu()
1472 		xive_ops->teardown_cpu(cpu, xc);  in xive_teardown_cpu()
1476 	xive_cleanup_cpu_ipi(cpu, xc);  in xive_teardown_cpu()
1480 	xive_cleanup_cpu_queues(cpu, xc);  in xive_teardown_cpu()