Lines Matching refs:xc
141 static u32 xive_scan_interrupts(struct xive_cpu *xc, bool just_peek) in xive_scan_interrupts() argument
147 while (xc->pending_prio != 0) { in xive_scan_interrupts()
150 prio = ffs(xc->pending_prio) - 1; in xive_scan_interrupts()
154 irq = xive_read_eq(&xc->queue[prio], just_peek); in xive_scan_interrupts()
172 xc->pending_prio &= ~(1 << prio); in xive_scan_interrupts()
179 q = &xc->queue[prio]; in xive_scan_interrupts()
194 if (prio != xc->cppr) { in xive_scan_interrupts()
196 xc->cppr = prio; in xive_scan_interrupts()
247 struct xive_cpu *xc = per_cpu(xive_cpu, cpu); in xmon_xive_do_dump() local
250 if (xc) { in xmon_xive_do_dump()
251 xmon_printf("pp=%02x CPPR=%02x ", xc->pending_prio, xc->cppr); in xmon_xive_do_dump()
255 u64 val = xive_esb_read(&xc->ipi_data, XIVE_ESB_GET); in xmon_xive_do_dump()
257 xmon_printf("IPI=0x%08x PQ=%c%c ", xc->hw_ipi, in xmon_xive_do_dump()
262 xive_dump_eq("EQ", &xc->queue[xive_irq_priority]); in xmon_xive_do_dump()
326 struct xive_cpu *xc = __this_cpu_read(xive_cpu); in xive_get_irq() local
343 xive_ops->update_pending(xc); in xive_get_irq()
345 DBG_VERBOSE("get_irq: pending=%02x\n", xc->pending_prio); in xive_get_irq()
348 irq = xive_scan_interrupts(xc, false); in xive_get_irq()
351 irq, xc->pending_prio); in xive_get_irq()
369 static void xive_do_queue_eoi(struct xive_cpu *xc) in xive_do_queue_eoi() argument
371 if (xive_scan_interrupts(xc, true) != 0) { in xive_do_queue_eoi()
372 DBG_VERBOSE("eoi: pending=0x%02x\n", xc->pending_prio); in xive_do_queue_eoi()
421 struct xive_cpu *xc = __this_cpu_read(xive_cpu); in xive_irq_eoi() local
424 d->irq, irqd_to_hwirq(d), xc->pending_prio); in xive_irq_eoi()
443 xive_do_queue_eoi(xc); in xive_irq_eoi()
483 struct xive_cpu *xc = per_cpu(xive_cpu, cpu); in xive_try_pick_target() local
484 struct xive_q *q = &xc->queue[xive_irq_priority]; in xive_try_pick_target()
507 struct xive_cpu *xc = per_cpu(xive_cpu, cpu); in xive_dec_target_count() local
508 struct xive_q *q = &xc->queue[xive_irq_priority]; in xive_dec_target_count()
510 if (WARN_ON(cpu < 0 || !xc)) { in xive_dec_target_count()
511 pr_err("%s: cpu=%d xc=%p\n", __func__, cpu, xc); in xive_dec_target_count()
588 struct xive_cpu *xc = per_cpu(xive_cpu, cpu); in xive_pick_irq_target() local
589 if (xc->chip_id == xd->src_chip) in xive_pick_irq_target()
1037 struct xive_cpu *xc; in xive_cause_ipi() local
1040 xc = per_cpu(xive_cpu, cpu); in xive_cause_ipi()
1043 smp_processor_id(), cpu, xc->hw_ipi); in xive_cause_ipi()
1045 xd = &xc->ipi_data; in xive_cause_ipi()
1058 struct xive_cpu *xc = __this_cpu_read(xive_cpu); in xive_ipi_eoi() local
1061 if (!xc) in xive_ipi_eoi()
1065 d->irq, irqd_to_hwirq(d), xc->hw_ipi, xc->pending_prio); in xive_ipi_eoi()
1067 xive_do_source_eoi(&xc->ipi_data); in xive_ipi_eoi()
1068 xive_do_queue_eoi(xc); in xive_ipi_eoi()
1180 struct xive_cpu *xc; in xive_setup_cpu_ipi() local
1185 xc = per_cpu(xive_cpu, cpu); in xive_setup_cpu_ipi()
1188 if (xc->hw_ipi != XIVE_BAD_IRQ) in xive_setup_cpu_ipi()
1195 if (xive_ops->get_ipi(cpu, xc)) in xive_setup_cpu_ipi()
1202 rc = xive_ops->populate_irq_data(xc->hw_ipi, &xc->ipi_data); in xive_setup_cpu_ipi()
1207 rc = xive_ops->configure_irq(xc->hw_ipi, in xive_setup_cpu_ipi()
1215 xc->hw_ipi, xive_ipi_irq, xc->ipi_data.trig_mmio); in xive_setup_cpu_ipi()
1218 xive_do_source_set_mask(&xc->ipi_data, false); in xive_setup_cpu_ipi()
1223 static void xive_cleanup_cpu_ipi(unsigned int cpu, struct xive_cpu *xc) in xive_cleanup_cpu_ipi() argument
1230 if (xc->hw_ipi == XIVE_BAD_IRQ) in xive_cleanup_cpu_ipi()
1236 xive_do_source_set_mask(&xc->ipi_data, true); in xive_cleanup_cpu_ipi()
1245 xive_ops->configure_irq(xc->hw_ipi, hard_smp_processor_id(), in xive_cleanup_cpu_ipi()
1249 xive_ops->put_ipi(cpu, xc); in xive_cleanup_cpu_ipi()
1452 static void xive_cleanup_cpu_queues(unsigned int cpu, struct xive_cpu *xc) in xive_cleanup_cpu_queues() argument
1454 if (xc->queue[xive_irq_priority].qpage) in xive_cleanup_cpu_queues()
1455 xive_ops->cleanup_queue(cpu, xc, xive_irq_priority); in xive_cleanup_cpu_queues()
1458 static int xive_setup_cpu_queues(unsigned int cpu, struct xive_cpu *xc) in xive_setup_cpu_queues() argument
1463 if (!xc->queue[xive_irq_priority].qpage) in xive_setup_cpu_queues()
1464 rc = xive_ops->setup_queue(cpu, xc, xive_irq_priority); in xive_setup_cpu_queues()
1471 struct xive_cpu *xc; in xive_prepare_cpu() local
1473 xc = per_cpu(xive_cpu, cpu); in xive_prepare_cpu()
1474 if (!xc) { in xive_prepare_cpu()
1475 xc = kzalloc_node(sizeof(struct xive_cpu), in xive_prepare_cpu()
1477 if (!xc) in xive_prepare_cpu()
1479 xc->hw_ipi = XIVE_BAD_IRQ; in xive_prepare_cpu()
1480 xc->chip_id = XIVE_INVALID_CHIP_ID; in xive_prepare_cpu()
1482 xive_ops->prepare_cpu(cpu, xc); in xive_prepare_cpu()
1484 per_cpu(xive_cpu, cpu) = xc; in xive_prepare_cpu()
1488 return xive_setup_cpu_queues(cpu, xc); in xive_prepare_cpu()
1493 struct xive_cpu *xc = __this_cpu_read(xive_cpu); in xive_setup_cpu() local
1497 xive_ops->setup_cpu(smp_processor_id(), xc); in xive_setup_cpu()
1500 xc->cppr = 0xff; in xive_setup_cpu()
1529 static void xive_flush_cpu_queue(unsigned int cpu, struct xive_cpu *xc) in xive_flush_cpu_queue() argument
1537 while ((irq = xive_scan_interrupts(xc, false)) != 0) { in xive_flush_cpu_queue()
1585 struct xive_cpu *xc = __this_cpu_read(xive_cpu); in xive_smp_disable_cpu() local
1592 xc->cppr = 0; in xive_smp_disable_cpu()
1596 xive_flush_cpu_queue(cpu, xc); in xive_smp_disable_cpu()
1599 xc->cppr = 0xff; in xive_smp_disable_cpu()
1605 struct xive_cpu *xc = __this_cpu_read(xive_cpu); in xive_flush_interrupt() local
1609 xive_flush_cpu_queue(cpu, xc); in xive_flush_interrupt()
1618 struct xive_cpu *xc = __this_cpu_read(xive_cpu); in xive_teardown_cpu() local
1622 xc->cppr = 0; in xive_teardown_cpu()
1626 xive_ops->teardown_cpu(cpu, xc); in xive_teardown_cpu()
1630 xive_cleanup_cpu_ipi(cpu, xc); in xive_teardown_cpu()
1634 xive_cleanup_cpu_queues(cpu, xc); in xive_teardown_cpu()
1696 struct xive_cpu *xc = per_cpu(xive_cpu, cpu); in xive_debug_show_cpu() local
1699 if (xc) { in xive_debug_show_cpu()
1700 seq_printf(m, "pp=%02x CPPR=%02x ", xc->pending_prio, xc->cppr); in xive_debug_show_cpu()
1704 u64 val = xive_esb_read(&xc->ipi_data, XIVE_ESB_GET); in xive_debug_show_cpu()
1706 seq_printf(m, "IPI=0x%08x PQ=%c%c ", xc->hw_ipi, in xive_debug_show_cpu()
1712 struct xive_q *q = &xc->queue[xive_irq_priority]; in xive_debug_show_cpu()