diff options
Diffstat (limited to 'hw/intc/xics_spapr.c')
| -rw-r--r-- | hw/intc/xics_spapr.c | 29 |
1 files changed, 29 insertions, 0 deletions
diff --git a/hw/intc/xics_spapr.c b/hw/intc/xics_spapr.c index 946311b858..224fe1efcd 100644 --- a/hw/intc/xics_spapr.c +++ b/hw/intc/xics_spapr.c @@ -346,6 +346,33 @@ static int xics_spapr_cpu_intc_create(SpaprInterruptController *intc, return 0; } +static int xics_spapr_claim_irq(SpaprInterruptController *intc, int irq, + bool lsi, Error **errp) +{ + ICSState *ics = ICS_SPAPR(intc); + + assert(ics); + assert(ics_valid_irq(ics, irq)); + + if (!ics_irq_free(ics, irq - ics->offset)) { + error_setg(errp, "IRQ %d is not free", irq); + return -EBUSY; + } + + ics_set_irq_type(ics, irq - ics->offset, lsi); + return 0; +} + +static void xics_spapr_free_irq(SpaprInterruptController *intc, int irq) +{ + ICSState *ics = ICS_SPAPR(intc); + uint32_t srcno = irq - ics->offset; + + assert(ics_valid_irq(ics, irq)); + + memset(&ics->irqs[srcno], 0, sizeof(ICSIRQState)); +} + static void ics_spapr_class_init(ObjectClass *klass, void *data) { DeviceClass *dc = DEVICE_CLASS(klass); @@ -355,6 +382,8 @@ static void ics_spapr_class_init(ObjectClass *klass, void *data) device_class_set_parent_realize(dc, ics_spapr_realize, &isc->parent_realize); sicc->cpu_intc_create = xics_spapr_cpu_intc_create; + sicc->claim_irq = xics_spapr_claim_irq; + sicc->free_irq = xics_spapr_free_irq; } static const TypeInfo ics_spapr_info = { |